2018-12-31 Max Filippov PR target/86814 * config/xtensa/xtensa.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-12-31 Martin Liska * predict.c (set_even_probabilities): Include also unlikely_count in calculation. (combine_predictions_for_bb): Consider also HOT and COLD labels predictions. * predict.def (PRED_HOT_LABEL): Move it just after __builtin_expect_with_probability predictor. (PRED_COLD_LABEL): Likewise. 2018-12-30 Jan Hubicka * x86-tune.def: Enable inter_unit_moves_to_vec for generic. 2018-12-30 Martin Sebor Jeff Law * gimple-fold.c (get_range_strlen): Minor logic cleanup. Add comments on code's intent. * gimple-fold.c (strlen_range_kind): New enum. (get_range_strlen): Update signature to use strlen_range_kind instead of type+fuzzy. (get_range_strlen_tree): Update signature to use strlen_range_kind instead of type+fuzzy. Pass rkind down to get_range_strlen. Check the rkind enum value instead of type+fuzzy. (get_range_strlen): Similarly. (get_maxval_strlen): Update signature to make NONSTR argument have a default value and make static. Add asserts to ensure sanity of arguments. Update calls to get_range_strlen. (gimple_fold_builtin_strcpy): Update calls to get_maxval_strlen. (gimple_fold_builtin_strcat, gimple_fold_builtin_fputs): Similarly. (gimple_fold_builtin_memory_chk): Similarly. (gimple_fold_builtin_stxcpy_chk): Similarly. (gimple_fold_builtin_snprintf_chk): Similarly. (gimple_fold_builtin_sprintf, gimple_fold_builtin_snprintf): Similarly. * gimple-fold.h (get_maxval_strlen): Delete prototype. 2018-12-29 Jozef Lawrynowicz * config/msp430/msp430.c (msp430_attr): Warn when the critical and interrupt function attributes are used together. * gcc/doc/extend.texi: Update documentation on the critical attribute. 2018-12-29 John David Anglin * config.gcc (hppa*64*-*-linux*): Add pa/t-pa to tmake_file. Define d_target_objs. (hppa*-*-openbsd*): Likewise. (hppa[12]*-*-hpux10*): Likewise. (hppa*64*-*-hpux11*): Likewise. (hppa[12]*-*-hpux11*): Likewise. 2018-12-29 Jakub Jelinek PR ipa/88586 * omp-low.c (lower_omp_task_reductions): Set DECL_CONTEXT on field and ifield. Update TYPE_ALIGN from alignment of field, ifield or bfield. 2018-12-28 Uros Bizjak * config/i386/i386.h (ADDITIONAL_REGISTER_NAMES): Add sil, dil, bpl and spl aliases. 2018-12-28 Martin Sebor * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Avoid undesirable warning. 2018-12-28 Thomas Schwinge * omp-expand.c (expand_omp_target): Restructure OpenACC vs. OpenMP code paths. Update for libgomp OpenACC entry points change. 2018-12-28 Thomas Schwinge Julian Brown * gimplify.c (gimplify_scan_omp_clauses): Fix known_eq typo/bug. 2018-12-27 Jan Hubicka * ipa-devirt.c (polymorphic_call_target_d): Add n_odr_types. (polymorphic_call_target_hasher::hash): Hash it. (polymorphic_call_target_hasher::equal): Compare it. (possible_polymorphic_call_targets): Set it. * tree.c (free_lang_data): Rebuild type inheritance graph even on non-LTO path. 2018-12-27 Martin Liska PR gcov-profile/88225 * gcov.c(source_info::get_functions_at_location): Use newly added line_to_function_map. (source_info::add_function): New. (output_json_intermediate_file): Use a pointer return type for get_functions_at_location. (process_all_functions): Use add_function instead of direct push to a s->functions container. (release_structures): Release ident_to_fn. (read_graph_file): Register function into ident_to_fn. (read_count_file): Use the map. (output_lines): Handle pointer return type of get_functions_at_location. 2018-12-27 Martin Liska * builtins.c (expand_movstr): Compare with RETURN_BEGIN. * expr.c (move_by_pieces): Likewise. (store_by_pieces): Likewise. (store_expr): Fix GNU coding style. 2018-12-26 Andrew Pinski * config/aarch64/aarch64-cores.def (octeontx): New. (octeontx81): Likewise. (octeontx83): Likewise. * config/aarch64/aarch64-tune.md: Regenerate. * doc/invoke.texi (AArch64 Options) [mtune]: Add octeontx, octeontx81 and octeontx83. 2018-12-24 Martin Sebor * gimple-fold.c (get_range_strlen_tree): Factored out of get_range_strlen. Minor comment updates/additions. Assert argument is not a simple SSA_NAME. (get_range_strlen): Call get_range_strlen_tree as appropriate. Minor comment updates/additions. 2018-12-24 Jan Hubicka * ipa-devirt.c (dump_targets): Cap number of targets printed. (dump_possible_polymorphic_call_targets): Add verbose parameter. (ipa_devirt): Use it. * ipa-utils.h (dump_possible_polymorphic_call_targets): Add verbose parametrs. 2018-12-24 Jan Hubicka PR lto/88140 * tree.c (fld_simplified_type): Temporarily disable array simplification. 2018-12-24 Jan Hubicka * lto-symtab.c (lto_symtab_merge_decls_2): Do not report ODR violations for method whose basetype was already reported. * ipa-devirt.c (odr_type_violation_reported_p): New. * ipa-utils.h (odr_type_violation_reported_p): Declare. 2018-12-24 Iain Sandoe * configure.ac (dwarf2_debug_line): Check for the debug_line section using otool when there’s no objdump available. * configure: Regenerate. 2018-12-24 Jan Hubicka * ipa-utils.c (ipa_merge_profiles): Fix updating of fnsummary; also handle rescaling of mismatched profiles. * ipa-fnsummary.c (analyze_function): Handle speculative edges. 2018-12-23 Martin Sebor Jeff Law * builtins.h (c_strlen_data): Add new fields and comments. * builtins.c (unterminated_array): Change field reference from "len" to "minlen" in c_strlen_data instance. * gimple-fold.c (get_range_strlen): Likewise. * gimple-ssa-sprintf.c (get_string_length): Likewise. * builtins.c (unterminated_array): Rename "data" to "lendata". Fix a few comments. (expand_builtin_strnlen, expand_builtin_stpcpy_1): Likewise. (fold_builtin_strlen): Likewise. * gimple-fold.c (get_range_strlen): Likewise. Also rename a couple instances of "type" to "optype" and "arg" to "fld". * builtins.c (unterminated_array): Use empty brace initialization for c_strlen_data. (c_strlen, expand_builtin_strnlen): Likewise. (expand_builtin_stpcpy_1, fold_builtin_strlen): Likewise. * gimple-fold.c (get_range_strlen): Likewise. (gimple_fold_builtin_stpcpy): Likewise. * gimple-ssa-sprintf.c (get_string_length): Likewise. 2018-12-23 Alan Modra PR 88346 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Correct %e message. Handle -mcpu=rs64, not -mcpu=rs64a. Handle -mcpu=powerpc64 and -mcpu=titan. * config/rs6000/driver-rs6000.c (asm_names): Similarly. * config/rs6000/aix71.h (ASM_CPU_SPEC): Delete %e message. Handle -mcpu=rs64, not -mcpu=rs64a. * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise. 2018-12-23 Iain Sandoe * lto-wrapper.c (tool_cleanup): Don’t report ficticious temp files. (debug_objcopy): Improve temp filenames. Append the early debug objects to the outfiles. Remove the phase prelinking the early debug. Emit the early debug filenames for ld. 2018-12-23 Iain Sandoe * config/i386/darwin.h (TARGET_ASM_OUTPUT_IDENT): New. 2018-12-23 Iain Sandoe * collect2.c (maybe_run_lto_and_relink): Don’t say we have a temp file unless we actually did some LTO. (has_lto_section, is_lto_object_file): New. (maybe_lto_object_file): Remove. (scan_prog_file): Use is_lto_object_file() instead of scanning the output of nm. 2018-12-23 Iain Sandoe * collect2.c (main): Parse the output file early so we can make nicer temp names. Respond to “-save-temps” in the GCC OPTIONS. (maybe_unlink): Don’t print “[Leaving…”] for files we never created and don’t exist. 2018-12-23 Iain Sandoe * collect2.c (main): Combine flags from both the command line and COLLECT_GCC_OPTIONS to determine the set in force 2018-12-21 Jan Hubicka * ipa-utils.c (ipa_merge_profiles): Recompute summaries. 2018-12-21 Jakub Jelinek PR middle-end/85594 PR middle-end/88553 * omp-expand.c (extract_omp_for_update_vars): Regimplify the condition if needed. (expand_omp_for_generic): Don't clobber t temporary for ordered loops. 2018-12-15 Jan Hubicka PR ipa/88561 * ipa-polymorphic-call.c (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Handle arguments of thunks correctly. (ipa_polymorphic_call_context::get_dynamic_context): Be ready for NULL instance pinter. * lto-cgraph.c (lto_output_node): Always stream thunk info. 2018-12-21 Andreas Krebbel * config/s390/vector.md ("floatv2div2df2", "floatunsv2div2df2") ("fix_truncv2dfv2di2", "fixuns_truncv2dfv2di2"): New pattern definitions. 2018-12-21 Eric Botcazou PR rtl-optimization/87727 * combine.c (cant_combine_insn_p): On a LEAF_REGISTERS target, combine again moves from leaf hard registers. * final.c (final_scan_insn_1) : Minor tweak. 2018-12-21 Jakub Jelinek PR target/88522 * config/i386/sse.md (*avx512pf_gatherpfsf_mask, *avx512pf_gatherpfdf_mask, *avx512pf_scatterpfsf_mask, *avx512pf_scatterpfdf_mask): Use %X5 instead of %5 for -masm=intel. (gatherq_mode): Remove mode iterator. (*avx512f_gathersi, *avx512f_gathersi_2): Use X instead of . (*avx512f_gatherdi): Use X instead of . (*avx512f_gatherdi_2, *avx512f_scattersi, *avx512f_scatterdi): Use %X5 for -masm=intel. PR rtl-optimization/88563 * expr.c (expand_expr_real_2) : Swap innermode and mode arguments to convert_modes. Likewise swap mode and word_mode arguments. Handle both arguments with VOIDmode before convert_modes of one of them. Formatting fixes. 2018-12-21 Uros Bizjak PR target/88556 * internal-fn.def (COSH): New. (SINH): Ditto. (TANH): Ditto. * optabs.def (cosh_optab): New. (sinh_optab): Ditto. (tanh_optab): Ditto. * config/i386/i386-protos.h (ix86_emit_i387_sinh): New prototype. (ix86_emit_i387_cosh): Ditto. (ix86_emit_i387_tanh): Ditto. * config/i386/i386.c (ix86_emit_i387_sinh): New function. (ix86_emit_i387_cosh): Ditto. (ix86_emit_i387_tanh): Ditto. * config/i386/i386.md (sinhxf2): New expander. (sinh2): Ditto. (coshxf2): Ditto. (cosh2): Ditto. (tanhxf2): Ditto. (tanh2): Ditto. 2018-12-21 Jakub Jelinek PR target/88547 * config/i386/i386.c (ix86_expand_int_sse_cmp): Optimize x > y ? 0 : -1 into min (x, y) == x ? -1 : 0. 2018-12-21 Jan Beulich * config/i386/sse.md (vaesdec_, vaesdeclast_): Allow memory input. 2018-12-21 Alexandre Oliva * config.gcc (tmake_file): Add name to tmake_file for each @name in --with-multilib-list on arm-*-* targets. * doc/install.texi (with-multilib-list): Document it. 2018-12-21 Jakub Jelinek * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Use DR_TARGET_ALIGNMENT on dr_info rather than dr. Spelling fixes. 2018-12-20 Joern Rennecke * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Don't do versioning for data accesses with misaligned step. 2018-12-20 H.J. Lu PR c/51628 * doc/invoke.texi: Document -Wno-address-of-packed-member. 2018-12-20 Vladimir Makarov PR target/88457 * ira-color.c (fast_allocation): Choose the best cost hard reg. 2018-12-20 Richard Sandiford * config/aarch64/iterators.md (SVE_INT_UNARY, fp_int_op): Add abs. (SVE_FP_UNARY): Sort. 2018-12-20 Richard Sandiford * config/aarch64/aarch64-sve.md (*cond__4): Use sve_fmla_op rather than sve_fmad_op for the movprfx alternative. 2018-12-20 Martin Jambor PR ipa/88214 * tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Assert that ptr is a pointer. 2018-12-20 Richard Biener PR tree-optimization/84362 * tree-ssa-loop-im.c: Include alias.h, builtins.h and tree-dfa.h. (struct im_mem_ref): add ref_canonical flag. (struct mem_ref_hasher): Use ao_ref as compare_type. (mem_ref_hasher::equal): Adjust and add variant comparing ao_ref parts. (mem_ref_alloc): Take ao_ref parameter, initialize ref_canonical member. (gather_mem_refs_stmt): Set up ao_ref early and do the lookup using it. If we have non-equal refs canonicalize the one in the hashtable used for insertion. (tree_ssa_lim_initialize): Adjust. 2018-12-20 Jakub Jelinek PR target/88547 * config/i386/i386.c (ix86_expand_sse_movcc): For maskcmp, try to emit vpmovm2? instruction perhaps after knot?. Reorganize code so that it doesn't have to test !maskcmp in almost every conditional. 2018-12-20 Alan Modra * config/rs6000/sysv4.h (GNU_USER_DYNAMIC_LINKER): Define. 2018-12-19 Andreas Tobler * config.gcc: Enable TARGET_DEFAULT_ASYNC_UNWIND_TABLES on aarch64*-*-freebsd* 2018-12-19 Uros Bizjak * config/i386/i386.md (SWI1248_AVX512BWDQ_64): Rename from SWI1248_AVX512BWDQ2_64. Unconditionally enable HImode. (*cmp_ccz_1): Emit kortest instead of ktest insn. Use SWI1248_AVX512BWDQ_64 mode iterator and enable only for TARGET_AVX512F. 2018-12-19 Thomas Preud'homme * config/arm/elf.h: Update comment about condition that need to match with libgcc/config/arm/lib1funcs.S to also include libgcc/config/arm/t-arm. * doc/sourcebuild.texi (output-exists, output-exists-not): Rename subsubsection these directives are in to "Check for output files". Move scan-symbol to that section and add to it new scan-symbol-not directive. 2018-12-19 Tom de Vries * config/nvptx/nvptx.c (PTX_CTA_SIZE): Define. 2018-12-19 Tom de Vries * omp-offload.c (oacc_fn_attrib_level): Remove static. * omp-offload.h (oacc_fn_attrib_level): Declare. 2018-12-19 Tom de Vries * omp-offload.c (oacc_get_default_dim): New function. * omp-offload.h (oacc_get_default_dim): Declare. 2018-12-19 David Malcolm PR c++/87504 * gcc-rich-location.c (maybe_range_label_for_tree_type_mismatch::get_text): Move here from c/c-typeck.c. (binary_op_rich_location::binary_op_rich_location): New ctor. (binary_op_rich_location::use_operator_loc_p): New function. * gcc-rich-location.h (class maybe_range_label_for_tree_type_mismatch)): Move here from c/c-typeck.c. (struct op_location_t): New forward decl. (class binary_op_rich_location): New class. * tree.h (struct op_location_t): New struct. 2018-12-19 David Malcolm PR c++/43064 PR c++/43486 * convert.c: Include "selftest.h". (preserve_any_location_wrapper): New function. (convert_to_pointer_maybe_fold): Update to handle location wrappers. (convert_to_real_maybe_fold): Likewise. (convert_to_integer_1): Strip expr when using TREE_OVERFLOW. Handle location wrappers when checking for INTEGER_CST. (convert_to_integer_maybe_fold): Update to handle location wrappers. (convert_to_complex_maybe_fold): Likewise. (selftest::test_convert_to_integer_maybe_fold): New functions. (selftest::convert_c_tests): New function. * convert.h (preserve_any_location_wrapper): New decl. * fold-const.c (size_binop_loc): Strip location wrappers when using TREE_OVERFLOW. (operand_equal_p): Strip any location wrappers. (integer_valued_real_p): Strip any location wrapper. * selftest-run-tests.c (selftest::run_tests): Call selftest::convert_c_tests. * selftest.h (selftest::convert_c_tests): New decl. * tree.c (build_complex): Assert that REAL and IMAG are constants. (integer_zerop): Look through location wrappers. (integer_onep): Likewise. (integer_each_onep): Likewise. (integer_all_onesp): Likewise. (integer_minus_onep): Likewise. (integer_pow2p): Likewise. (integer_nonzerop): Likewise. (integer_truep): Likewise. (fixed_zerop): Likewise. (real_zerop): Likewise. (real_onep): Likewise. (real_minus_onep): Likewise. (tree_int_cst_equal): Likewise. (simple_cst_equal): Treat location wrappers with non-equal source locations as being unequal. (uniform_integer_cst_p): Look through location wrappers. (maybe_wrap_with_location): Don't create wrappers if any auto_suppress_location_wrappers are active. (suppress_location_wrappers): New variable. (selftest::test_predicates): New test. (selftest::tree_c_tests): Call it. * tree.h (CONSTANT_CLASS_OR_WRAPPER_P): New macro. (suppress_location_wrappers): New decl. (class auto_suppress_location_wrappers): New class. 2018-12-19 Paul A. Clarke * config/rs6000/tmmintrin.h (_mm_hadds_epi16): Vector lanes swapped. (_mm_hsub_epi32): Likewise. (_mm_shuffle_epi8): Fix reversed interpretation of parameters. (_mm_shuffle_pi8): Likewise. (_mm_addubs_pi16): Likewise. 2018-12-19 Thomas Preud'homme * config/arm/arm.h (TARGET_HARD_FLOAT): Restrict to TARGET_32BIT targets. * config/arm/arm.c (output_return_instruction): Only check TARGET_HARD_FLOAT to decide whether FP instructions are available. 2018-12-19 Tom de Vries * doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization dump files): Add offload-rtl. 2018-12-19 Segher Boessenkool PR target/88213 * config/rs6000/vsx.md (*vsx_extract___load): Require TARGET_POWERPC64. 2018-12-19 Richard Biener PR tree-optimization/88533 Revert 2018-04-30 Richard Biener PR tree-optimization/28364 PR tree-optimization/85275 * tree-ssa-loop-ch.c (ch_base::copy_headers): Stop after copying first exit test. * tree-ssa-loop-ch.c: Include tree-phinodes.h and ssa-iterators.h. (should_duplicate_loop_header_p): Track whether stmt compute loop invariants or values based on IVs. Apart from the original loop header only duplicate blocks with exit tests that are based on IVs or invariants. 2018-12-19 Tom de Vries * config/nvptx/nvptx.c (nvptx_gen_shared_bcast, shared_prop_gen) (nvptx_goacc_expand_accel_var): Use MAX and ROUND_UP. (nvptx_assemble_value, nvptx_output_skip): Use MIN. (nvptx_shared_propagate, nvptx_single, nvptx_expand_shared_addr): Use MAX. 2018-12-19 Tom de Vries * config/nvptx/nvptx.c (nvptx_gen_wcast): Rename as nvptx_gen_warp_bcast. (nvptx_gen_wcast): Rename to nvptx_gen_shared_bcast, add bool vector argument, and update call to nvptx_gen_shared_bcast. (propagator_fn): Add bool argument. (nvptx_propagate): New bool argument, pass bool argument to fn. (vprop_gen): Rename to warp_prop_gen, update call to nvptx_gen_warp_bcast. (nvptx_vpropagate): Rename to nvptx_warp_propagate, update call to nvptx_propagate. (wprop_gen): Rename to shared_prop_gen, update call to nvptx_gen_shared_bcast. (nvptx_wpropagate): Rename to nvptx_shared_propagate, update call to nvptx_propagate. (nvptx_wsync): Rename to nvptx_cta_sync. (nvptx_single): Update calls to nvptx_gen_warp_bcast, nvptx_gen_shared_bcast and nvptx_cta_sync. (nvptx_process_pars): Likewise. (write_worker_buffer): Rename as write_shared_buffer. (nvptx_file_end): Update calls to write_shared_buffer. (nvptx_expand_worker_addr): Rename as nvptx_expand_shared_addr. (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr. (nvptx_get_worker_red_addr): Rename as nvptx_get_shared_red_addr. (nvptx_goacc_reduction_setup): Update call to nvptx_get_shared_red_addr. (nvptx_goacc_reduction_fini): Likewise. (nvptx_goacc_reduction_teardown): Likewise. 2018-12-19 Tom de Vries * config/nvptx/nvptx.c (worker_bcast_size): Rename as oacc_bcast_size. (worker_bcast_align): Rename as oacc_bcast_align. (worker_bcast_sym): Rename as oacc_bcast_sym. (nvptx_option_override): Update usage of oacc_bcast_*. (struct wcast_data_t): Rename as broadcast_data_t. (nvptx_gen_wcast): Update type of data argument and usage of oacc_bcast_align. (wprop_gen): Update type of data_ and usage of oacc_bcast_align. (nvptx_wpropagate): Update type of data and usage of oacc_bcast_{sym,size}. (nvptx_single): Update type of data and usage of oacc_bcast_size. (nvptx_file_end): Update usage of oacc_bcast_{sym,align,size}. 2018-12-19 Tom de Vries * config/nvptx/nvptx.md (nvptx_barsync): Add and handle operand. * config/nvptx/nvptx.c (nvptx_wsync): Update call to gen_nvptx_barsync. 2018-12-19 Tom de Vries * config/nvptx/nvptx.c (nvptx_single): Always pass false to nvptx_wsync. (nvptx_process_pars): Likewise. 2018-12-19 Tom de Vries * config/nvptx/nvptx.c (nvptx_previous_fndecl): Declare. (nvptx_set_current_function): New function. (TARGET_SET_CURRENT_FUNCTION): Define. 2018-12-19 Shaokun Zhang * config/aarch64/aarch64-cores.def (tsv110): Fix architecture. This part is really Armv8.2 with some permitted Armv8.4 extensions. 2018-12-19 Jakub Jelinek PR target/88541 * config/i386/vpclmulqdqintrin.h (_mm256_clmulepi64_epi128): Enable for -mavx -mvpclmulqdq rather than just for -mavx512vl -mvpclmulqdq. 2018-12-19 Alexandre Oliva PR testsuite/86153 PR middle-end/83239 * vr-values.c (vr_values::vrp_evaluate_conditional_warnv_with_ops): Extend simplification of overflow tests to cover cases in which we can determine the result of the comparison. 2018-12-19 Bin Cheng * auto-profile.c (afdo_indirect_call): Skip generating histogram value if we can't find cgraph_node for then indirected callee. Save profile_id of the cgraph_node in histogram value's first counter. * value-prof.c (gimple_value_profile_transformations): Don't skip for flag_auto_profile. 2018-12-18 Vladimir Makarov PR rtl-optimization/87759 * lra-assigns.c (lra_split_hard_reg_for): Recalculate non_reload_pseudos. 2018-12-18 Jakub Jelinek PR target/88464 * config/i386/i386-builtin-types.def (VOID_FTYPE_PDOUBLE_QI_V8SI_V4DF_INT, VOID_FTYPE_PFLOAT_QI_V4DI_V8SF_INT, VOID_FTYPE_PLONGLONG_QI_V8SI_V4DI_INT, VOID_FTYPE_PINT_QI_V4DI_V8SI_INT, VOID_FTYPE_PDOUBLE_QI_V4SI_V2DF_INT, VOID_FTYPE_PFLOAT_QI_V2DI_V4SF_INT, VOID_FTYPE_PLONGLONG_QI_V4SI_V2DI_INT, VOID_FTYPE_PINT_QI_V2DI_V4SI_INT): New builtin types. * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_SCATTERALTSIV4DF, IX86_BUILTIN_SCATTERALTDIV8SF, IX86_BUILTIN_SCATTERALTSIV4DI, IX86_BUILTIN_SCATTERALTDIV8SI, IX86_BUILTIN_SCATTERALTSIV2DF, IX86_BUILTIN_SCATTERALTDIV4SF, IX86_BUILTIN_SCATTERALTSIV2DI and IX86_BUILTIN_SCATTERALTDIV4SI. (ix86_init_mmx_sse_builtins): Fix up names of IX86_BUILTIN_GATHERALT*, IX86_BUILTIN_GATHER3ALT* and IX86_BUILTIN_SCATTERALT* builtins to match the IX86_BUILTIN codes. Build IX86_BUILTIN_SCATTERALTSIV4DF, IX86_BUILTIN_SCATTERALTDIV8SF, IX86_BUILTIN_SCATTERALTSIV4DI, IX86_BUILTIN_SCATTERALTDIV8SI, IX86_BUILTIN_SCATTERALTSIV2DF, IX86_BUILTIN_SCATTERALTDIV4SF, IX86_BUILTIN_SCATTERALTSIV2DI and IX86_BUILTIN_SCATTERALTDIV4SI decls. (ix86_vectorize_builtin_scatter): Expand those new builtins. 2018-12-18 Bill Schmidt * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions): Describe when a typedef name can be used as the type specifier for a vector type, and when it cannot. 2018-12-18 Jozef Lawrynowicz * config/msp430/msp430.h: Define TARGET_VTABLE_ENTRY_ALIGN. 2018-12-18 Jakub Jelinek PR target/88513 PR target/88514 * optabs.def (vec_pack_sbool_trunc_optab, vec_unpacks_sbool_hi_optab, vec_unpacks_sbool_lo_optab): New optabs. * optabs.c (expand_widen_pattern_expr): Use vec_unpacks_sbool_*_optab and pass additional argument if both input and target have the same scalar mode of VECTOR_BOOLEAN_TYPE_P vectors. * expr.c (expand_expr_real_2) : Handle VECTOR_BOOLEAN_TYPE_P pack where result has the same scalar mode as the operands using vec_pack_sbool_trunc_optab. * tree-vect-stmts.c (supportable_widening_operation): Use vec_unpacks_sbool_{lo,hi}_optab for VECTOR_BOOLEAN_TYPE_P conversions where both wider_vectype and vectype have the same scalar mode. (supportable_narrowing_operation): Similarly use vec_pack_sbool_trunc_optab if narrow_vectype and vectype have the same scalar mode. * config/i386/i386.c (ix86_get_builtin) : Check for VECTOR_MODE_P rather than non-VOIDmode. * config/i386/sse.md (vec_pack_trunc_qi, vec_pack_trunc_): Remove useless ()s around "register_operand", formatting fixes. (vec_pack_sbool_trunc_qi, vec_unpacks_sbool_lo_qi, vec_unpacks_sbool_hi_qi): New expanders. * doc/md.texi (vec_pack_sbool_trunc_M, vec_unpacks_sbool_hi_M, vec_unpacks_sbool_lo_M): Document. 2018-12-18 Jozef Lawrynowicz * combine.c (update_rsp_from_reg_equal): Only look for the nonzero bits of src in nonzero_bits_mode if the mode of src is MODE_INT and HWI_COMPUTABLE. (reg_nonzero_bits_for_combine): Add clarification to comment. 2018-12-18 Wei Xiao * config/i386/driver-i386.c (host_detect_local_cpu): Detect cascadelake. * config/i386/i386.c (fold_builtin_cpu): Handle cascadelake. * doc/extend.texi: Add cascadelake. 2018-12-17 Peter Bergner PR target/87870 * config/rs6000/vsx.md (nW): New mode iterator. (vsx_mov_64bit): Use it. Remove redundant GPR 0/-1 alternative. Update length attribute for (, ) alternative. (vsx_mov_32bit): Likewise. 2018-12-17 Tom de Vries * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH, PTX_WORKER_LENGTH, PTX_DEFAULT_RUNTIME_DIM): Move to the top of the file. 2018-12-17 Tom de Vries * config/nvptx/nvptx.c (PTX_WARP_SIZE): Define. (nvptx_simt_vf): Return PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH. 2018-12-17 Tom de Vries * config/nvptx/nvptx.c (nvptx_single): Fix whitespace. (nvptx_neuter_pars): Likewise. 2018-12-17 Tom de Vries * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Work around Fortran bug PR72741 by overriding dims parameter for routines. 2018-12-17 Tom de Vries * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Rewrite using predicate vars. 2018-12-17 Steve Ellcey * config/aarch64/aarch64-protos.h (aarch64_use_simple_return_insn_p): New prototype. (aarch64_epilogue_uses): Ditto. * config/aarch64/aarch64.c (aarch64_attribute_table): New array. (aarch64_simd_decl_p): New function. (aarch64_reg_save_mode): New function. (aarch64_function_ok_for_sibcall): Check for simd calls. (aarch64_layout_frame): Check for simd function. (aarch64_gen_storewb_pair): Handle E_TFmode. (aarch64_push_regs): Use aarch64_reg_save_mode to get mode. (aarch64_gen_loadwb_pair): Handle E_TFmode. (aarch64_pop_regs): Use aarch64_reg_save_mode to get mode. (aarch64_gen_store_pair): Handle E_TFmode. (aarch64_gen_load_pair): Ditto. (aarch64_save_callee_saves): Handle different mode sizes. (aarch64_restore_callee_saves): Ditto. (aarch64_components_for_bb): Check for simd function. (aarch64_epilogue_uses): New function. (aarch64_process_components): Check for simd function. (aarch64_expand_prologue): Ditto. (aarch64_expand_epilogue): Ditto. (aarch64_expand_call): Ditto. (aarch64_use_simple_return_insn_p): New function. (TARGET_ATTRIBUTE_TABLE): New define. * config/aarch64/aarch64.h (EPILOGUE_USES): Redefine. (FP_SIMD_SAVED_REGNUM_P): New macro. * config/aarch64/aarch64.md (simple_return): New define_expand. (load_pair_dw_tftf): New instruction. (store_pair_dw_tftf): Ditto. (loadwb_pair_): Ditto. (storewb_pair_): Ditto. 2018-12-17 Uros Bizjak PR target/88502 * internal-fn.def (ACOSH): New. (ASINH): Ditto. (ATANH): Ditto. * optabs.def (acosh_optab): New. (asinh_optab): Ditto. (atanh_optab): Ditto. * config/i386/i386-protos.h (ix86_emit_i387_asinh): New prototype. (ix86_emit_i387_acosh): Ditto. (ix86_emit_i387_atanh): Ditto. * config/i386/i386.c (ix86_emit_i387_asinh): New function. (ix86_emit_i387_acosh): Ditto. (ix86_emit_i387_atanh): Ditto. * config/i386/i386.md (asinhxf2): New expander. (asinh2): Ditto. (acoshxf2): Ditto. (acosh2): Ditto. (atanhxf2): Ditto. (atanh2): Ditto. 2018-12-17 David Edelsohn * config.gcc (powerpc-ibm-aix6.*): Delete extra_headers. (powerpc-ibm-aix7.1.*): Same. (powerpc-ibm-aix[789].*): Same. 2018-12-17 H.J. Lu PR debug/79342 * dwarf2out.c (find_AT_string_in_table): Add insert argument defaulting to INSERT and replace INSERT. (find_AT_string): Likewise. (output_macinfo_op): Pass NO_INSERT to find_AT_string. 2018-12-15 Jan Hubicka * coverage.c (struct conts_entry): Add n_counts. (remap_counts_file): Record number of ocunts. (get_coverage_counts): Verify that counts match. * coverage.h (get_coverage_counts): Update prototype. * profile.c (get_exec_counts. compute_value_histograms): Add n_counts parametrs. 2018-12-17 Senthil Kumar Selvaraj PR rtl-optimization/88253 * combine.c (combine_simplify_rtx): Test for side-effects before substituting by zero. 2018-12-17 Richard Sandiford Ramana Radhakrishnan Kyrylo Tkachov * doc/invoke.texi (-fversion-loops-for-strides): Document (loop-versioning-group-size, loop-versioning-max-inner-insns) (loop-versioning-max-outer-insns): Document new --params. * Makefile.in (OBJS): Add gimple-loop-versioning.o. * common.opt (fversion-loops-for-strides): New option. * opts.c (default_options_table): Enable fversion-loops-for-strides at -O3. * params.def (PARAM_LOOP_VERSIONING_GROUP_SIZE) (PARAM_LOOP_VERSIONING_MAX_INNER_INSNS) (PARAM_LOOP_VERSIONING_MAX_OUTER_INSNS): New parameters. * passes.def: Add pass_loop_versioning. * timevar.def (TV_LOOP_VERSIONING): New time variable. * tree-ssa-propagate.h (substitute_and_fold_engine::substitute_and_fold): Add an optional block parameter. * tree-ssa-propagate.c (substitute_and_fold_engine::substitute_and_fold): Likewise. When passed, only walk blocks dominated by that block. * tree-vrp.h (range_includes_p): Declare. (range_includes_zero_p): Turn into an inline wrapper around range_includes_p. * tree-vrp.c (range_includes_p): New function, generalizing... (range_includes_zero_p): ...this. * tree-pass.h (make_pass_loop_versioning): Declare. * gimple-loop-versioning.cc: New file. 2018-12-15 Jan Hubicka * ipa-fnsummary.c (remap_edge_change_prob): Do not ICE when changes are not streamed in. 2018-12-15 H.J. Lu PR target/88483 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Revert reversion 267133. 2018-12-15 Jan Hubicka * ipa-fnsummary.c (analyze_function_body): Do not loeak conds and size_time_table. (ipa_fn_summary_generate): Add prevails parameter; do not allocate data when symbol is not prevailing. (inline_read_section): Likewise. 2018-12-15 Jan Hubicka * cgraph.h (cgraph_node): Add predicate prevailing_p. (cgraph_edge): Add predicate possible_call_in_translation_unit_p. * ipa-prop.c (ipa_write_jump_function): Optimize streaming of ADDR_EXPR. (ipa_read_jump_function): Add prevails parameter; optimize streaming. (ipa_read_edge_info): Break out from ... (ipa_read_node_info): ... here; optimize streaming. * cgraph.c (cgraph_edge::possibly_call_in_translation_unit_p): New predicate. 2018-12-15 Jan Hubicka * ipa-utils.c (ipa_merge_profiles): Do no merging when source function has zero count. 2018-12-15 Jakub Jelinek PR tree-optimization/88464 PR target/88498 * tree-vect-stmts.c (vect_build_gather_load_calls): For NARROWING and mask with integral masktype, don't try to permute mask vectors, instead emit VEC_UNPACK_{LO,HI}_EXPR. Fix up NOP_EXPR operand. (vectorizable_store): Handle masked scatters with decl and integral mask type. (permute_vec_elements): Allow scalar_dest to be NULL. * config/i386/i386.c (ix86_get_builtin) : Use lowpart_subreg for masks. : Don't assume mask and src have to be the same. 2018-12-15 Jan Hubicka * ipa.c (cgraph_build_static_cdtor_1): Add OPTIMIZATION and TARGET parameters. (cgraph_build_static_cdtor): Update. (build_cdtor): Use OPTIMIZATION and TARGET of the first real cdtor callsed. 2018-12-15 Alan Modra * config/rs6000/rs6000.c (generate_set_vrsave, rs6000_emit_savres_rtx), (rs6000_emit_prologue, rs6000_call_aix, rs6000_call_sysv), (rs6000_call_darwin_1): Use gen_hard_reg_clobber. 2018-12-15 Jakub Jelinek PR target/88489 * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator. (avx512f_sfixupimm): Use it instead of UNSPEC_FIXUPIMM. PR rtl-optimization/88478 * cselib.c (cselib_record_sets): Move sets[i].src_elt tests after REG_P (dest) test. 2018-12-14 Martin Sebor PR tree-optimization/88372 * calls.c (maybe_warn_alloc_args_overflow): Handle function pointers. * tree-object-size.c (alloc_object_size): Same. Simplify. * doc/extend.texi (Object Size Checking): Update. (Other Builtins): Add __builtin_object_size. (Common Type Attributes): Add alloc_size. (Common Variable Attributes): Ditto. 2018-12-14 Martin Sebor PR rtl-optimization/87096 * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call): Avoid folding calls whose bound may exceed INT_MAX. Diagnose bound ranges that exceed the limit. 2018-12-14 Martin Sebor PR web/79738 * doc/extend.texi (attribute const, pure): Clarify. 2018-12-14 H.J. Lu * config/i386/i386.c (rest_of_insert_endbranch): Insert ENDBR at the function entry only when -mmanual-endbr isn't used or there is cf_check function attribute. (ix86_attribute_table): Add cf_check. * config/i386/i386.opt: Add -mmanual-endbr. * doc/extend.texi: Document cf_check attribute. * doc/invoke.texi: Document -mmanual-endbr. 2018-12-14 Thomas Schwinge Cesar Philippidis * omp-offload.c (inform_oacc_loop): New function. (execute_oacc_device_lower): Use it to display loop parallelism. 2018-12-14 Jakub Jelinek PR c++/82294 PR c++/87436 * expr.h (categorize_ctor_elements): Add p_unique_nz_elts argument. * expr.c (categorize_ctor_elements_1): Likewise. Compute it like p_nz_elts, except don't multiply it by mult. Adjust recursive call. Fix up COMPLEX_CST handling. (categorize_ctor_elements): Add p_unique_nz_elts argument, initialize it and pass it through to categorize_ctor_elements_1. (mostly_zeros_p, all_zeros_p): Adjust categorize_ctor_elements callers. * gimplify.c (gimplify_init_constructor): Likewise. Don't force ctor into readonly data section if num_unique_nonzero_elements is smaller or equal to 1/8 of num_nonzero_elements and size is >= 64 bytes. 2018-12-14 Thomas Preud'homme * config/arm/arm.md (arm_movdi): Split if -mslow-flash-data and source is a constant that would be loaded by literal pool. (movsf expander): Generate a no_literal_pool_sf_immediate insn if -mslow-flash-data is present, targeting hardfloat ABI and source is a float constant that cannot be loaded via vmov. (movdf expander): Likewise but generate a no_literal_pool_df_immediate insn. (arm_movsf_soft_insn): Split if -mslow-flash-data and source is a float constant that would be loaded by literal pool. (softfloat constant movsf splitter): Splitter for the above case. (movdf_soft_insn): Split if -mslow-flash-data and source is a float constant that would be loaded by literal pool. (softfloat constant movdf splitter): Splitter for the above case. * config/arm/constraints.md (Pz): Document existing constraint. (Ha): Define constraint. (Tu): Likewise. * config/arm/predicates.md (hard_sf_operand): New predicate. (hard_df_operand): Likewise. * config/arm/thumb2.md (thumb2_movsi_insn): Split if -mslow-flash-data and constant would be loaded by literal pool. * constant/arm/vfp.md (thumb2_movsi_vfp): Likewise and disable constant load in VFP register. (movdi_vfp): Likewise. (thumb2_movsf_vfp): Use hard_sf_operand as predicate for source to prevent match for a constant load if -mslow-flash-data and constant cannot be loaded via vmov. Adapt constraint accordingly by using Ha instead of E for generic floating-point constant load. (thumb2_movdf_vfp): Likewise using hard_df_operand predicate instead. (no_literal_pool_df_immediate): Add a clobber to use as the intermediate general purpose register and also enable it after reload but disable it constant is a valid FP constant. Add constraints and generate a DI intermediate load rather than 2 SI loads. (no_literal_pool_sf_immediate): Add a clobber to use as the intermediate general purpose register and also enable it after reload. 2018-12-14 Uros Bizjak PR target/88474 * internal-fn.def (HYPOT): New. * optabs.def (hypot_optab): New. * config/i386/i386.md (hypot3): New expander. 2018-12-14 Jeff Law * target.def (post_cfi_startproc): Fix text. 2018-12-14 Sam Tebbs * doc/tm.texi (TARGET_ASM_POST_CFI_STARTPROC): Define. * doc/tm.texi.in (TARGET_ASM_POST_CFI_STARTPROC): Define. * dwarf2out.c (dwarf2out_do_cfi_startproc): Trigger the hook. * hooks.c (hook_void_FILEptr_tree): Define. * hooks.h (hook_void_FILEptr_tree): Define. * target.def (post_cfi_startproc): Define. 2018-12-14 Tom de Vries * lto-cgraph.c (verify_node_partition): New function. (input_overwrite_node, input_varpool_node): Use verify_node_partition. 2018-12-14 H.J. Lu PR target/88483 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't use get_frame_size (). 2018-12-14 Andrew Stubbs * gcc/lra-int.h (lra_register_new_scratch_op): Add third parameter. * gcc/lra-remat.c (update_scratch_ops): Pass icode to lra_register_new_scratch_op. * gcc/lra.c (struct sloc): Add icode field. (lra_register_new_scratch_op): Add icode parameter. Use icode to skip insns that have changed beyond recognition. 2018-12-14 Eric Botcazou * dwarf2out.c (analyze_discr_in_predicate): Simplify. (analyze_variants_discr): Deal with naked boolean discriminants. 2018-12-14 Claudiu Zissulescu * config/arc/arc.c (arc_restore_callee_milli) Don't clobber off variable. 2018-12-14 Claudiu Zissulescu * config/arc/arc.h (reg_class): Add SIBCALL_REGS. 2018-12-14 Richard Biener * gimple-ssa-split-paths.c (is_feasible_trace): Remove duplicated code block. 2018-12-14 Alan Modra PR rtl-optimization/88311 * config/rs6000/rs6000.c (rs6000_call_sysv): Do not mask cookie. (rs6000_sibcall_sysv): Likewise. 2018-12-14 Segher Boessenkool PR rtl-optimization/88001 * function.c (match_asm_constraints_1): Don't invalidly share RTL. 2018-12-14 Bin Cheng * auto-profile.c (afdo_annotate_cfg): Call update_max_bb_count even if autofdo counts are all zeros. 2018-12-14 Bin Cheng * auto-profile.c (afdo_indirect_call): Skip generating histogram value for internal call. 2018-12-14 Bin Cheng * auto-profile.c (AFDO_EINFO): New macro. (class edge_info): New class. (is_edge_annotated, set_edge_annotated): Delete. (afdo_propagate_edge, afdo_propagate_circuit, afdo_propagate): Remove parameter. Adjust edge count computation and annotation using class edge_info. (afdo_calculate_branch_prob, afdo_annotate_cfg): Likewise. 2018-12-13 Michael Ploujnikov * ipa-cp.c (print_all_lattices): Skip cp clones. * ipa-cp.c: Fix various comment typos. 2018-12-13 Jakub Jelinek PR tree-optimization/88444 * tree-inline.c (fold_marked_statements): Iterate up to last_basic_block_for_fn rather than n_basic_blocks_for_fn. PR rtl-optimization/88470 * cfgcleanup.c (outgoing_edges_match): If the function is shrink-wrapped and bb1 ends with a JUMP_INSN with a single fake edge to EXIT, return false. 2018-12-13 Martin Sebor * doc/extend.texi: Consistently use @code for const and volatile qualifiers, the true and false constants, and asm statements. 2018-12-13 Vladimir Makarov PR rtl-optimization/88414 * lra-int.h (lra_asm_error_p): New. * lra-assigns.c (lra_assign): Check lra_asm_error_p for checking call crossed pseudo assignment correctness. (lra_split_hard_reg_for): Set up lra_asm_error_p. * lra-constraints.c (curr_insn_transform): Ditto. * lra.c (lra_asm_error_p): New. (lra): Reset lra_asm_error_p. 2018-12-13 Jakub Jelinek PR rtl-optimization/88416 * valtrack.c (cleanup_auto_inc_dec): Handle pre/post-inc/dec/modify even if !AUTO_INC_DEC. 2018-12-13 David Edelsohn * config/rs6000/rs6000.c (rs6000_function_arg): Ensure type is non-NULL. (rs6000_arg_partial_bytes): Same. 2018-12-13 Jason Merrill * gdbinit.in (pp): New macro. (pbb): Remove. 2018-12-13 Jakub Jelinek PR tree-optimization/88464 * tree-vect-stmts.c (vect_build_gather_load_calls): Handle INTEGER_TYPE masktype if mask is non-NULL. (vectorizable_load): Don't reject masked gather loads if masktype in the decl is INTEGER_TYPE. 2018-12-13 Andreas Krebbel * config/s390/s390-builtins.def (s390_vec_double_s64): Map to s390_vec_double_s64 instead of s390_vcdgb. (s390_vec_double_u64): Map to s390_vec_double_u64 instead of s390_vcdlgb. 2018-12-13 Andreas Krebbel * config/s390/vx-builtins.md ("vec_ctd_s64", "vec_ctd_u64") ("vec_ctsl", "vec_ctul"): Replace 0 with VEC_NOINEXACT. ("vec_double_s64", "vec_double_u64"): Replace 4 with VEC_INEXACT. 2018-12-13 Kyrylo Tkachov * doc/invoke.texi (-msve-vector-bits): Clarify -msve-vector-bits=128 behavior. 2018-12-13 Wei Xiao * common/config/i386/i386-common.c (processor_names): Add cascadelake. (processor_alias_table): Add cascadelake. * config.gcc: Add -march=cascadelake. * config/i386/i386-c.c (ix86_target_macros_internal): Handle cascadelake. * config/i386/i386.c (Add m_CASCADELAKE): New. (processor_cost_table): Add cascadelake. (get_builtin_code_for_version): Handle cascadelake. * config/i386/i386.h (TARGET_CASCADELAKE, PROCESSOR_CASCADELAKE): New. (PTA_CASCADELAKE): Ditto. * doc/invoke.texi: Add -march=cascadelake. 2018-12-13 Jakub Jelinek PR target/88465 * config/i386/i386.md (*movdi_internal, *movsi_internal, *movhi_internal, *movqi_internal): Add alternative(s) to load 0 or -1 into k registers using kxor or kxnoq instructions. PR target/88461 * config/i386/sse.md (VI1248_AVX512VLBW, AVX512ZEXTMASK): New mode iterators. (_testm3, _testnm3): Merge patterns with VI12_AVX512VL and VI48_AVX512VL iterators into ones with VI1248_AVX512VLBW iterator. (*_testm3_zext, *_testm3_zext_mask, *_testnm3_zext, *_testnm3_zext_mask): New define_insns. PR target/88461 * config/i386/i386.md (*zero_extendsidi2, zero_extenddi2, *zero_extendsi2, *zero_extendqihi2): Add =*k, *km alternatives. 2018-12-12 Tom de Vries Jakub Jelinek * omp-builtins.def (BUILT_IN_GOMP_LOOP_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_PARALLEL_LOOP_NONMONOTONIC_RUNTIME, BUILT_IN_GOMP_PARALLEL_LOOP_MAYBE_NONMONOTONIC_RUNTIME): Fix up function types - remove one argument. 2018-12-12 Martin Sebor * doc/extend.texi (attribute copy): Fix typos. 2018-12-12 Martin Sebor * doc/extend.texi (Function Attributes): Clarify C++ aspects. (Variable Attributes): Same. (Type Attributes): Same. 2018-12-12 Olivier Hainque * config/aarch64/aarch64.c (aarch64_override_options): Once arch, cpu and tune were validated, insert SUBTARGET_OVERRIDE_OPTIONS if defined. 2018-12-12 Olivier Hainque * config/aarch64/aarch64.c (PROBE_STACK_FIRST_REG) : Redefine as R9_REGNUM instead of 9. (PROBE_STACK_SECOND_REG): Redefine as R10_REGNUM instead of 10. 2018-12-12 Eric Botcazou PR target/86806 * config/sparc/sparc.md (unspecv): Add UNSPECV_SPECULATION_BARRIER. (speculation_barrier): New instruction for V9. 2018-12-12 Segher Boessenkool Iain Sandoe PR target/88343 * config/rs6000/rs6000.c (save_reg_p): Do not save the picbase reg unless it has been used. (first_reg_to_save): Remove dead code. 2018-12-12 Iain Sandoe * config/rs6000/rs6000-protos.h (rs6000_call_darwin): New. (rs6000_sibcall_darwin): New. (macho_call_template): Remove. * config/rs6000/rs6000.c (get_prev_label): Forward declaration. (rs6000_call_template_1): Handle Darwin. (macho_call_template): Remove. (rs6000_call_sysv): Remove handling for Darwin. (rs6000_call_darwin_1, rs6000_call_darwin): New (rs6000_sibcall_darwin): New. * config/rs6000/rs6000.md (define_expand “call”): Handle Darwin with its own expander. (define_expand “call_value”): Likewise. (define_expand “sibcall”): Likewise. (define_expand “sibcall_value”): Likewise. (call_nonlocal_sysv): Remove Darwin special-casing. (call_value_nonlocal_sysv): Likewise. 2018-12-12 Iain Sandoe * config/rs6000/darwin.md (call_indirect_nonlocal_darwin64): Remove. (call_nonlocal_darwin64): Remove. (call_value_indirect_nonlocal_darwin64): Remove. (call_value_nonlocal_darwin64): Remove. * config/rs6000/rs6000.c (rs6000_call_template_1): Handle Darwin with the same asm output as AIX/ELFv2. (rs6000_call_sysv): Preserve the CALL_LONG flag when needed for Darwin. * config/rs6000/rs6000.md (define expand “call”): Expand Darwin as per sysv. (define_expand “call_value”): Likewise. (define_expand “sibcall”): Likewise. (define_expand “sibcall_value”): Likewise. (call_indirect_nonlocal_sysv): Mark the clobber mode P. (call_nonlocal_sysv): Likewise. (call_nonlocal_sysv_secure): Likewise. (call_value_indirect_nonlocal_sysv): Likewise. (call_value_nonlocal_sysv): Likewise. (call_value_nonlocal_sysv_secure): Likewise. (call_local64): Mark the clobber DI. (call_value_local64): Likewise. 2018-12-11 Jakub Jelinek PR tree-optimization/88444 * tree-vrp.c (register_edge_assert_for_2): Only register assertions for conversions if rhs1 is a SSA_NAME. 2018-12-11 Dimitar Dimitrov * cfgexpand.c (asm_clobber_reg_is_valid): Also produce error when stack pointer is clobbered. (expand_asm_stmt): Refactor clobber check in separate function. 2018-12-11 Eric Botcazou * config/rs6000/vxworks.h (RS6000_STARTING_FRAME_OFFSET): Define, accounting for STACK_BOUNDARY 128. (STACK_DYNAMIC_OFFSET): Likewise. 2018-12-11 Jakub Jelinek PR target/88425 * config/i386/i386.md (*x86_movcc_0_m1_neg_leu): New define_insn_and_split. 2018-12-11 Richard Biener PR middle-end/88448 PR middle-end/88415 * gimple.c (gimple_assign_set_rhs_with_ops): Revert previous change. * tree-complex.c (update_complex_assignment): Properly transfer or clean EH info around gimple_assign_set_rhs_with_ops. 2018-12-11 Richard Earnshaw PR target/87369 * config/aarch64/iterators.md (sizem1): Add sizes for SFmode and DFmode. (Vbtype): Add SFmode mapping. * config/aarch64/aarch64.md (copysigndf3, copysignsf3): Delete. (copysign3): New expand pattern. (copysign3_insn): New insn pattern. 2018-12-11 Richard Biener * ccmp.c (ccmp_candidate_p): Use GIMPLE API properly. 2018-12-11 Jakub Jelinek PR lto/86004 * doc/sourcebuild.texi (lto_incremental): Document new effective target. 2018-12-11 Segher Boessenkool PR target/88145 * config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): Use rs6000_isa_flags instead of rs6000_isa_flags_explicit to decide whether soft float is enabled. (rs6000_expand_mtfsb_builtin): Ditto. (rs6000_expand_set_fpscr_rn_builtin): Ditto. (rs6000_expand_set_fpscr_drn_builtin): Ditto. 2018-12-10 Jeff Law PR tree-optimization/80520 * gimple-ssa-split-paths.c (is_feasible_trace): Recognize half diamonds that are likely if convertable. 2018-12-10 Martin Sebor PR tree-optimization/86196 * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use base size only of arrays. 2018-12-10 Segher Boessenkool * config.gcc (Obsolete configurations): Delete powerpc*-*-*spe*. (Unsupported targets): Add powerpc*-*-*spe*. (powerpc*-*-*spe*): Delete. (powerpc-*-eabispe*): Delete. (powerpc-*-rtems*spe*): Delete. (powerpc*-*-linux*spe*): Delete. (powerpc*-*-linux*): Do not handle the linux*spe* targets. (powerpc-wrs-vxworks*spe): Delete. (with_cpu setting code): Delete powerpc*-*-*spe* handling. * config.host (target powerpc*-*-*spe*): Delete. * doc/invoke.texi (PowerPC SPE Options): Delete. (PowerPC SPE Options): Delete. * config/powerpcspe: Delete. 2018-12-10 Uros Bizjak PR target/88418 * config/i386/i386.c (ix86_expand_sse_cmp): For vector modes, check operand 1 with vector_operand predicate. (ix86_expand_sse_movcc): For vector modes, check op_true with vector_operand, not nonimmediate_operand. 2018-12-10 Richard Biener * tree-affine.c (tree_to_aff_combination): Remove unreachable MEM_REF case. (aff_combination_expand): Cache on SSA names, not possibly on conversion trees. Avoid expanding cases we do not handle. 2018-12-10 Richard Biener PR tree-optimization/88427 * vr-values.c (vr_values::extract_range_from_phi_node): Handle symbolic ranges conservatively when trying to drop to Inf +- 1. 2018-12-10 Martin Jambor PR ipa/88214 * ipa-prop.c (determine_locally_known_aggregate_parts): Make sure we check pointers against pointers. 2018-12-10 Richard Biener PR middle-end/88415 * gimple.c (gimple_assign_set_rhs_with_ops): Transfer EH info to a newly allocated stmt. 2018-12-10 Jerome Lambourg * config/vxworksae.h (TARGET_VXWORKS_HAVE_CTORS_DTORS): Define. 2018-12-10 Fredrik Nyström PR bootstrap/65725 * config/sol2.h: Only use libgcc-unwind.map if ENABLE_SHARED_LIBGCC. 2018-12-10 Bin Cheng * auto-profile.c (afdo_calculate_branch_prob): Convert profile_count to afdo precision quality. (afdo_callsite_hot_enough_for_early_inline): Likewise. (afdo_annotate_cfg): Set profile_count for exit basic block. 2018-12-10 Bin Cheng * auto-profile.c (string_table::get_index_by_decl) (function_instance::get_function_instance_by_decl): Avoid infinite recursion by using DECL_FROM_INLINE. 2018-12-09 John David Anglin * config.gcc (hppa*-*-linux*): Add pa/t-pa to tmake_file. Define d_target_objs. * config/pa/pa-protos.h (pa_d_target_versions): New prototype. * config/pa/pa.h (TARGET_D_CPU_VERSIONS): Define. * config/pa/pa-d.c: New file. * config/pa/t-pa: New file. 2018-12-08 Bin Cheng * ipa-cp.c (update_profiling_info): Call adjust_for_ipa_scaling for zero profile count. 2018-12-08 Jakub Jelinek PR fortran/88304 * tree-nested.c (convert_local_reference_stmt): Handle clobbers where lhs is not a decl normally, don't call use_pointer_in_frame on that lhs. 2018-12-08 Eric Botcazou PR rtl-optimization/88390 * dwarf2cfi.c (struct dw_cfi_row): Add window_save field. (cfi_row_equal_p): Compare it. (dwarf2out_frame_debug_cfa_window_save): Add FAKE parameter. If FAKE is false, set window_save of the current row. (dwarf2out_frame_debug) : Call above function with FAKE parameter set to true. : Likewise but with FAKE parameter set to false. (change_cfi_row): Emit a DW_CFA_GNU_window_save if necessary. 2018-12-07 Peter Bergner PR target/87496 * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow -mabi=ieeelongdouble and -mabi=ibmlongdouble without -mlong-double-128. Do not error for -mabi=ibmlongdouble and no ISA 2.06 support. * doc/invoke.texi: Document -mabi=ibmlongdouble and -mabi=ieeelongdouble require -mlong-double-128. 2018-12-07 Kyrylo Tkachov * config/aarch64/aarch64.c (aarch64_tuning_override_functions): Add sve_width entry. (aarch64_parse_sve_width_string): Define. 2018-12-07 Jeff Law PR middle-end/87813 * gimple-ssa-evrp-analyze.h (class evrp_range_analyzer): Add m_update_global_ranges member. Add corresponding argument to ctor. * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::evrp_range_analyzer): Add new argument and initialize m_update_global_ranges. (evrp_range_analyzer::set_ssa_range_info): Assert that we are updating global ranges. (evrp_range_analyzer::record_ranges_from_incoming_edge): Only update global ranges if explicitly requested. (evrp_range_analyzer::record_ranges_from_phis): Similarly. (evrp_range_analyzer::record_ranges_from_stmt): Similarly. * gimple-ssa-evrp.c (evrp_dom_walker): Pass new argument to evrp_range_analyzer ctor. * gimple-ssa-sprintf.c (sprintf_dom_walker): Similarly. * tree-ssa-dom.c (dom_opt_dom_walker): Similarly. 2018-12-07 Kyrylo Tkachov * config/aarch64/aarch64-opts.h (aarch64_sve_vector_bits_enum): Add SVE_NOT_IMPLEMENTED value. * config/aarch64/aarch64-protos.h (struct tune_params): Add sve_width field. * config/aarch64/aarch64.c (generic_tunings,cortexa35_tunings, cortexa53_tunings, cortexa57_tunings, cortexa72_tunings, cortexa73_tunings, exynosm1_tunings, thunderx_tunings, thunderx_tunings, tsv110_tunings, xgene1_tunings, qdf24xx_tunings, saphira_tunings, thunderx2t99_tunings, emag_tunings): Specify sve_width. (aarch64_estimated_poly_value): Define. (TARGET_ESTIMATED_POLY_VALUE): Define. 2018-12-07 Paul A. Clarke PR target/88408 * config/rs6000/mmintrin.h (_mm_packs_pu16): Correctly use "__vector". 2018-12-07 Vladimir Makarov PR rtl-optimization/88349 * ira-costs.c (record_operand_costs): Check bigger reg class on NO_REGS. 2018-12-07 Richard Sandiford * config/aarch64/aarch64-sve.md (*mul3, *v3): Split the patterns after reload if we don't need the predicate operand. (*post_ra_mul3, *post_ra_v3): New patterns. 2018-12-07 Richard Sandiford * config/aarch64/iterators.md (SVE_UNPRED_FP_BINARY): New code iterator. (sve_fp_op): Handle minus and mult. * config/aarch64/aarch64-sve.md (*add3, *sub3) (*mul3): Split the patterns after reload if we don't need the predicate operand. (*post_ra_3): New pattern. 2018-12-07 Bin Cheng * profile-count.h (profile_count::oeprator>=): Fix typo by inverting return condition when *this is precise zero. 2018-12-07 Jakub Jelinek PR target/85593 * final.c (rest_of_handle_final): Don't call collect_fn_hard_reg_usage for functions with naked attribute. PR c/88367 * tree-vrp.c (extract_range_from_binary_expr): For POINTER_PLUS_EXPR with -fno-delete-null-pointer-checks, set_nonnull only if the pointer is non-NULL and offset is known to have most significant bit clear. * vr-values.c (vr_values::vrp_stmt_computes_nonzero): For ADDR_EXPR of MEM_EXPR, return true if the MEM_EXPR has non-zero offset with most significant bit clear. If offset does have most significant bit set and -fno-delete-null-pointer-checks, don't return true even if the base pointer is non-NULL. 2018-12-06 Alexandre Oliva * cselib.c (cselib_record_sets): Skip strict low part sets with NULL src_elt. 2018-12-06 Paul A. Clarke PR target/88316 * config/rs6000/smmintrin.h: New file. * config.gcc: Add smmintrin.h to extra_headers for powerpc*-*-*. 2018-12-06 Paul A. Clarke PR target/88316 * config/rs6000/mmintrin.h (_mm_unpackhi_pi8): Fix for big-endian. (_mm_unpacklo_pi8): Likewise. (_mm_mulhi_pi16): Likewise. (_mm_packs_pi16): Fix for big-endian. Use preferred API. (_mm_packs_pi32): Likewise. (_mm_packs_pu16): Likewise. * config/rs6000/xmmintrin.h (_mm_cvtss_si32): Fix for big-endian. (_mm_cvtss_si64): Likewise. (_mm_cvtpi32x2_ps): Likewise. (_mm_shuffle_ps): Likewise. (_mm_movemask_pi8): Likewise. (_mm_mulhi_pu16): Likewise. (_mm_sad_pu8): Likewise. (_mm_sad_pu8): Likewise. (_mm_cvtpu16_ps): Fix for big-endian. Use preferred API. (_mm_cvtpu8_ps): Likewise. (_mm_movemask_ps): Better #else case for big-endian (no functional change). (_mm_shuffle_pi16): Likewise. * config/rs6000/emmintrin.h (_mm_movemask_pd): Fix for big-endian. Better #else case for big-endian (no functional change). (_mm_movemask_epi8): Likewise. (_mm_shufflehi_epi16): Likewise. (_mm_shufflelo_epi16): Likewise. (_mm_shuffle_epi32): Likewise. (_mm_mul_epu32): Fix for big-endian. (_mm_bsrli_si128): Likewise. (_mm_cvtps_pd): Better #else case for big endian. (_mm_mulhi_epi16): Likewise. (_mm_mul_epu32): Likewise. (_mm_slli_si128): Likewise. (_mm_sll_epi16): Likewise. (_mm_sll_epi32): Likewise. (_mm_sra_epi16): Likewise. (_mm_sra_epi32): Likewise. (_mm_srl_epi16): Likewise. (_mm_srl_epi32): Likewise. (_mm_mulhi_epu16): Likewise. (_mm_sad_epu8): Likewise. * config/rs6000/pmmintrin.h (_mm_hadd_ps): Fix for big-endian. (_mm_sub_ps): Likewise. * config/rs6000/mmintrin.h (_mm_cmpeq_pi8): Fix for 32-bit mode. * gcc/config/rs6000/tmmintrin.h (_mm_alignr_epi8): Use ENDIAN macros consistently (no functional changes). (_mm_alignr_pi8): Likewise. 2018-12-06 Iain Sandoe PR c++/87380 * config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC) Remove, use the default. * config/rs6000/darwin7.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New. 2018-12-06 Vladimir Makarov PR target/88282 * ira.c (ira_init_register_move_cost): Use info from hard_regno_mode_ok instead of contains_reg_of_mode. * ira-costs.c (contains_reg_of_mode): Don't use cost from bigger hard register class for some fixed hard registers. 2018-12-06 Segher Boessenkool * doc/extend.texi (Using Assembly Language with C): Document asm inline. (Size of an asm): Fix typo. Document asm inline. * gimple-pretty-print.c (dump_gimple_asm): Handle asm inline. * gimple.h (enum gf_mask): Add GF_ASM_INLINE. (gimple_asm_set_volatile): Fix typo. (gimple_asm_inline_p): New. (gimple_asm_set_inline): New. * gimplify.c (gimplify_asm_expr): Propagate the asm inline flag from tree to gimple. * ipa-icf-gimple.c (func_checker::compare_gimple_asm): Compare the gimple_asm_inline_p flag, too. * tree-core.h (tree_base): Document that protected_flag is ASM_INLINE_P in an ASM_EXPR. * tree-inline.c (estimate_num_insns): If gimple_asm_inline_p return a minimum size for an asm. * tree.h (ASM_INLINE_P): New. 2018-12-06 Segher Boessenkool PR inline-asm/55681 * doc/extend.texi (Basic Asm): Update grammar. (Extended Asm): Update grammar. 2018-12-06 Iain Sandoe PR target/78444 * config/i386/darwin.h (STACK_BOUNDARY): Remove macro. * config/i386/i386.c (ix86_compute_frame_layout): Ensure at least 128b stack alignment in non-leaf functions. 2018-12-06 Jakub Jelinek PR target/87598 * config/aarch64/aarch64.c (aarch64_print_address_internal): Don't call output_operand_lossage on VOIDmode CONST_INTs. After output_operand_lossage do return false. 2018-12-06 Richard Biener * df-problems.c (df_rd_local_compute): Use bitmap_release. (df_live_free): Likewise. (df_md_local_compute): Likewise. (df_md_free): Release df_md_scratch bitmap. * loop-invariant.c (calculate_loop_reg_pressure): Use bitmap_release. * sched-deps.c (true_dependency_cache, output_dependency_cache, anti_dependency_cache, control_dependency_cache, spec_dependency_cache): Use bitmap instead of bitmap_head *. * sched-ebb.c (schedule_ebbs_init): Initialize non-GTY dont_calc_deps as bitmap allocated from obstack not GC. (schedule_ebbs_finish): Use bitmap_release. * sched-rgn.c (schedule_insns): Initialize non-GTY not_in_df as bitmap allocated from obstack not GC. Use bitmap_release. * sel-sched.c (_forced_ebb_heads): Remove premature optimization. (sel_region_init): Allocate forced_ebb_heads. (sel_region_finish): Free forced_ebb_heads. 2018-12-06 Richard Biener * bitmap.c (bitmap_head::crashme): Define. * bitmap.h (bitmap_head): Add constexpr default constructor poisoning the obstack member. (bitmap_head::crashme): Declare. (bitmap_release): New function clearing a bitmap and poisoning the obstack member. * gengtype.c (main): Make it recognize CONSTEXPR. * lra-constraints.c (lra_inheritance): Use bitmap_release instead of bitmap_clear. * ira.c (ira): Work around class-memaccess warning. * regrename.c (create_new_chain): Likewise. 2018-12-06 Jakub Jelinek PR tree-optimization/85726 * generic-match-head.c (optimize_successive_divisions_p): New function. * gimple-match-head.c (optimize_successive_divisions_p): Likewise. * match.pd: Don't combine successive divisions if they aren't exact and optimize_successive_divisions_p is false. PR fortran/88304 * tree-nested.c (convert_nonlocal_reference_stmt): Remove clobbers for non-local automatic decls. 2018-12-05 David Edelsohn * config/rs6000/aix72.h (ASM_DEFAULT_SPEC): Match Power7 processor default. 2018-12-05 Uros Bizjak * dwarf2out.c (field_byte_offset): Remove #ifdef PCC_BITFIELD_TYPE_MATTERS check. 2018-12-05 Richard Biener Martin Sebor PR c/87028 * calls.c (get_attr_nonstring_decl): Avoid setting *REF to SSA_NAME_VAR. * gcc/gimple-low.c (lower_stmt): Fold builtin calls here. * gimplify (maybe_fold_stmt): Avoid folding builtin calls. 2018-12-05 Iain Sandoe * configure.ac (gcc_cv_otool): Set. * configure: Regenerate. 2018-12-05 Uros Bizjak * config/i386/cygming.h (PCC_BITFIELD_TYPE_MATTERS): Remove. (GROUP_BITFIELDS_BY_ALIGN): Ditto. 2018-12-05 Richard Sandiford PR tree-optimization/88064 * tree-vect-patterns.c (vect_convert_input): Convert the result of an existing cast if it has the right width but the wrong sign. Do not test the signedness of the required result when considering whether to split an existing cast; instead split to a type with the same signedness as the source of the cast, then convert it to the opposite signedness where necessary. (vect_recog_over_widening_pattern): Handle sign changes between the final PLUS_EXPR and the RSHIFT_EXPR. (vect_recog_average_pattern): Use an unsigned operation when truncating an addition, subtraction or multiplication. Cast the result back to the "real" signedness before promoting. 2018-12-05 Richard Biener PR tree-optimization/86637 * tree-vectorizer.c (pass_slp_vectorize::execute): Reset vect_location at the end. 2018-12-05 Jakub Jelinek PR tree-optimization/87360 * gimple-loop-jam.c (tree_loop_unroll_and_jam): On failure to analyze data dependencies, don't return false, just continue. Formatting fixes. (merge_loop_tree, bb_prevents_fusion_p, unroll_jam_possible_p, fuse_loops): Formatting fixes. PR sanitizer/88333 * cfgexpand.c (expand_stack_vars): If asan_vec is empty, start with aligning frame offset to ASAN_RED_ZONE_SIZE bytes. 2018-12-05 Xianmiao Qu * config.gcc (csky-*-linux-gnu*): Force .init_array support. 2018-12-05 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_function_arg): Only do the special aggregate handling on actual AIX, not on somewhat similar systems. (rs6000_arg_partial_bytes): Ditto. 2018-12-04 Vladimir Makarov PR rtl-optimization/88317 * lra-constraints.c (split_reg): Don't set up check_only_regs if we are outside the inheritance pass. 2018-12-04 Jan Hubicka * ipa-prop.c (jump_function_useful_p): New. (ipa_read_node_info): Do not allocated useless jump functions. 2018-12-04 David Malcolm PR c/82967 * spellcheck.c (selftest::test_suggestions): Add another assertion. 2018-12-04 Martin Sebor * doc/extend.texi (__builtin_has_attribute): Fix typo. 2018-12-04 Jakub Jelinek PR target/88188 * config/rs6000/rs6000.c (ccr_bit): Return -1 instead of assertion failures. (print_operand): Use REG_P instead of GET_CODE == REG. : Also check CR_REGNO_P (REGNO (x)). : Likewise. Remove GET_MODE check. * config/rs6000/rs6000.md (scc patterns): Assert ccr_bit didn't return -1. 2018-12-04 Martin Sebor * doc/extend.texi (attribute aligned): Expand. 2018-12-04 David Edelsohn PR target/61976 * config/rs6000/rs6000.c (rs6000_function_arg): Don't pass aggregates in FPRs on AIX. (rs6000_arg_partial_bytes): Same. 2018-12-04 Vladimir Makarov PR target/88282 * ira-costs.c (exec): Try bigger class to use smaller register move cost. 2018-12-04 Michael Ploujnikov PR ipa/88297 * ipa-cp.c (create_specialized_node): Track clone counters by node assembler names. (ipcp_driver): Change type of clone_num_suffixes key to const char*. 2018-12-04 Richard Biener * tree-vect-loop.c (vect_transform_loop): Fix epilogue iterations for epilogue vectorization. 2018-12-04 Richard Biener PR tree-optimization/88301 * tree-vrp.c (register_edge_assert_for_2): Fix sign-conversion issues in last commit. 2018-12-04 Richard Biener PR tree-optimization/88315 * tree-vect-loop.c (get_initial_defs_for_reduction): Simplify and fix initialization vector for SAD and DOT_PROD SLP reductions. 2018-12-03 Sandra Loosemore PR c/59039 * doc/extend.texi (Nonlocal gotos): New section. 2018-12-03 Uros Bizjak * config/i386/sse.md (vec_concatv2df): Change (v,xm,C) alternative to (v,vm,c). 2018-12-03 Segher Boessenkool * gcc/config.gcc (Unsupported targets): Add powerpc*-*-linux*paired*. (powerpc*-*-linux*): Don't handle it here. 2018-12-03 Jeff Law * config/h8300/h8300.md (qi3_1): Add gcc_unreachable to keep warnings quiet. * config/h8300/h8300.md (low byte masking peepholes): Only accept nonimmediate_operand for the to-be-masked operand. 2018-12-03 Richard Biener * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Only allow expected function-pointer cast re-instantiation. 2018-12-03 Ilya Leoshkevich * common/config/s390/s390-common.c (s390_option_init_struct): Use section anchors by default. * config/s390/s390.c (s390_check_symref_alignment): Handle anchors. (TARGET_MAX_ANCHOR_OFFSET): Use short displacement. * output.h (assemble_align): Pass `align' as unsigned int, so that the value 0x80000000, which corresponds to `aligned(1 << 28)', would pass the `align > BITS_PER_UNIT' check. * varasm.c (assemble_align): Likewise. 2018-12-03 Julian Brown * tree-pretty-print.c (dump_omp_clause): Make default case gcc_unreachable. 2018-12-03 Richard Biener PR tree-optimization/88301 * tree-vrp.c (register_edge_assert_for_2): Handle conversions that do not change the value by registering the same assert for the operand. 2018-12-03 Richard Biener * tree-vect-loop.c (vect_transform_loop): Properly compute upper bound for the epilogue when doing epilogue vectorization. 2018-12-03 Ilya Leoshkevich PR target/80080 * cfgcleanup.c (class pass_postreload_jump): New pass. (pass_postreload_jump::execute): Likewise. (make_pass_postreload_jump): Likewise. * passes.def: Add pass_postreload_jump before pass_postreload_cse. * tree-pass.h (make_pass_postreload_jump): New pass. 2018-12-02 Uros Bizjak * config/i386/i386.c (inline_memory_move_cost): Correctly compute number of TFmode GPR moves. 2018-12-02 Jakub Jelinek PR target/88278 * config/i386/sse.md (*vec_concatv4sf_0, *vec_concatv4si_0): New insns. 2018-12-02 Jeff Law * config/h8300/h8300.md (call, call_value): Drop mode from operand containing number of bytes pushed. (call_insn, call_value_insn): Use mode iterator for number of bytes pushed operand. Make pattern name vary appropriately. 2018-12-02 Jan Hubicka * bb-reorer.c (find_rarely_executed_basic_blocks_and_crossin_edges): trust precise profiles. 2018-12-02 Jakub Jelinek * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_IN_REDUCTION, OMP_CLAUSE_TASK_REDUCTION and OMP_CLAUSE__SIMT_ clauses. (convert_nonlocal_reference_stmt, convert_local_reference_stmt): Convert clauses for GIMPLE_OMP_TASKGROUP. * omp-low.c (check_omp_nesting_restrictions): Allow cancel or cancellation point with taskgroup clause inside of taskloop. Consider a taskloop construct without nogroup clause as implicit taskgroup for diagnostics if cancel/cancellation point with taskgroup clause is closely nested inside of taskgroup region. PR sanitizer/88291 * asan.c (asan_clear_shadow): Move assert that len is multiple of 4 to the start of the function. (asan_emit_stack_protection): When emitting clearing sequence for epilogue, align offset down to ASAN_RED_ZONE_SIZE granularity, add last_size_aligned which is last_size padded to multiples of ASAN_RED_ZONE_SIZE and emit asan_clear_shadow always on 4 byte boundaries. 2018-12-01 Jakub Jelinek PR sanitizer/88289 * asan.c (asan_redzone_buffer::flush_redzone_payload): Fix up an off-by-one for BYTES_BIG_ENDIAN. PR target/54589 * combine.c (find_split_point): For invalid memory address nonobj + obj + const, if reg + obj + const is valid addressing mode, split at nonobj. Use if rather than else if for the fallback. Comment fixes. 2018-11-30 Indu Bhagat * coverage.c (get_coverage_counts): Use from_function_decl for precise function location. * profile-count.c (profile_count::dump): Add handling for precise profile quality. * profile.c (compute_branch_probabilities): Rely on exec_counts instead of profile_info to set profile_status of function. (branch_prob): Do not set profile_status of function based on profile_info. Done above based on exec_counts. 2018-11-30 Jakub Jelinek PR tree-optimization/88274 * tree-ssa-reassoc.c (optimize_range_tests_xor, optimize_range_tests_diff): If type has smaller precision than corresponding mode or if it has non-standard min/max, compute everything in a standard type for the precision. PR testsuite/85368 * params.def (PARAM_LOGICAL_OP_NON_SHORT_CIRCUIT): New param. * tree-ssa-ifcombine.c (ifcombine_ifandif): If --param logical-op-non-short-circuit is present, override LOGICAL_OP_NON_SHORT_CIRCUIT value from the param. * fold-const.c (fold_range_test, fold_truth_andor): Likewise. 2018-11-30 Jeff Law * optabs.c (expand_binop): Use "machine_mode" rather than "enum machine mode" in most recent change. 2018-11-30 Wilco Dijkstra PR middle-end/64242 * builtins.c (expand_builtin_longjmp): Use a temporary when restoring the frame pointer. (expand_builtin_nonlocal_goto): Likewise. 2018-11-30 David Malcolm * diagnostic-core.h (emit_diagnostic): New decl. * diagnostic.c (emit_diagnostic): New overload, taking a rich_location *. 2018-11-30 David Malcolm * pretty-print.c (class selftest::test_pretty_printer): New subclass of pretty_printer. (selftest::test_prefixes_and_wrapping): New test. (selftest::pretty_print_c_tests): Call it. 2018-11-30 Michael Ploujnikov Minimize clone counter memory usage in create_virtual_clone. * cgraph.h (clone_function_name): Add a variant that takes a tree decl. * cgraph.h (cgraph_node::create_virtual_clone): Add a new argument: num_suffix. * cgraphclones.c (cgraph_node::create_virtual_clone): Pass num_suffix to clone_function_name. (clone_function_name): Add a variant that takes a tree decl. * ipa-cp.c (create_specialized_node): Keep track of clone counters in clone_num_suffixes hash map. (ipcp_driver): Free the counter hash map. * ipa-hsa.c (process_hsa_functions): Creates at most one hsa clone per function. 2018-11-30 Michael Ploujnikov Make function assembly more independent. This is achieved by having clone_function_name assign unique clone numbers for each function independently. * cgraphclones.c: Replaced clone_fn_id_num with clone_fn_ids; hash map. (clone_function_name_numbered): Use clone_fn_ids. 2018-11-30 Vladimir Makarov PR rtl-optimization/88179 * lra-constraints.c (address_eliminator::address_eliminator): Don't eleminate regs in illegitimate address. 2018-11-30 David Malcolm PR preprocessor/88257 * input.c (get_substring_ranges_for_loc): Fix indentation. Bulletproof against getting a different files back from linemap_resolve_location and expand_location_to_spelling_point. 2018-11-30 Alexander Monakov PR gcov-profile/88279 * tree-profile.c (init_ic_make_global_vars): Call decl_default_tls_model for variable and not it's type. 2018-11-30 Sam Tebbs * config/arm/arm.h (TARGET_DOTPROD): Add TARGET_VFP5 constraint. 2018-11-30 Martin Liska PR sanitizer/81715 * asan.c (asan_shadow_cst): Remove, partially transform into flush_redzone_payload. (RZ_BUFFER_SIZE): New. (struct asan_redzone_buffer): New. (asan_redzone_buffer::emit_redzone_byte): Likewise. (asan_redzone_buffer::flush_redzone_payload): Likewise. (asan_redzone_buffer::flush_if_full): Likewise. (asan_emit_stack_protection): Use asan_redzone_buffer class that is responsible for proper aligned stores and flushing of shadow memory payload. * asan.h (ASAN_MIN_RED_ZONE_SIZE): New. (asan_var_and_redzone_size): Likewise. * cfgexpand.c (expand_stack_vars): Use smaller alignment (ASAN_MIN_RED_ZONE_SIZE) in order to make shadow memory for automatic variables more compact. 2018-11-30 Alan Modra * config/rs6000/predicates.md (easy_fp_constant): Avoid long dependent insn sequences. * config/rs6000/rs6000.c (num_insns_constant): Support long double constants. * config/rs6000/rs6000.md (mov_softfloat ): Adjust length attribute. 2018-11-30 Alan Modra * config/rs6000/rs6000.c (num_insns_constant_gpr): Renamed from num_insns_constant_wide. Make static. Revise comment. (num_insns_constant_multi): New function. (num_insns_constant): Formatting. Correct CONST_WIDE_INT calculation. Simplify and extract code common to both CONST_INT and CONST_DOUBLE. Add gcc_unreachable for unhandled const_double modes. * config/rs6000/rs6000-protos.h (num_insns_const_wide): Delete. 2018-11-30 Richard Biener PR tree-optimization/88274 * tree-vrp.c (ranges_from_anti_range): Fix handling of TYPE_MIN/MAX_VALUE. 2018-11-29 Andi Kleen * config/i386/i386.c (current_fentry_section): Add. (x86_function_profiler): Handle fentry section. (ix86_attribute_table): Add fentry section. * config/i386/i386.opt: Add -mfentry-section. * doc/extend.texi: Document fentry_section attribute. * doc/invoke.texi: Document -mfentry-section. 2018-11-29 Andi Kleen * config/i386/i386.c (x86_print_call_or_nop): Handle nop name. (current_fentry_name): Add. (x86_function_profiler): Handle fentry_name attribute. (ix86_handle_fentry_name): Add. (ix86_attribute_table): Add fentry_name. * config/i386/i386.opt: Add -mfentry-name * doc/extend.texi: Document fentry_name. * doc/invoke.texi: Document minstrument-return. 2018-11-29 Andi Kleen * config/i386/i386-opts.h (enum instrument_return): Add. * config/i386/i386.c (output_return_instrumentation): Add. (ix86_output_function_return): Call output_return_instrumentation. (ix86_output_call_insn): Call output_return_instrumentation. * config/i386/i386.opt: Add -minstrument-return=. * doc/invoke.texi (-minstrument-return): Document. 2018-11-29 Eric Botcazou PR target/87807 * config/sparc/sparc-modes.def: Minor tweak. * config/sparc/sparc.c: Minor reordering. (sparc_pass_by_reference): Move around. (traverse_record_type): Change offset from HOST_WIDE_INT to int. (classify_registers): Likewise for bitpos. (function_arg_slotno): Remove dead test and tweak comments. : Remove useless assertion and test whether the parameter is named in order to pass it in FP registers. Return the regno for floating-point vector types. (compute_int_layout): Change bitpos from HOST_WIDE_INT to int. (compute_fp_layout): Likewise. (count_registers): Likewise. (assign_int_registers): Likewise. (assign_fp_registers): Likewise. (assign_registers): Likewise. (function_arg_record_value): Change size from HOST_WIDE_INT to int and use CEIL_NWORDS to compute the number of registers. (function_arg_union_value): Minor tweaks. (function_arg_vector_value): Add slotno and named parameters, use CEIL_NWORDS to compute the number of registers. (sparc_function_arg_1): Rework handling of vector types. Change size from HOST_WIDE_INT to int. (sparc_arg_partial_bytes): Rework handling of 32-bit ABI and deal with vector types for the 64-bt ABI. (sparc_function_arg_advance): Likewise. (sparc_return_in_memory): Add reference to -fpcc-struct-return. (sparc_struct_value_rtx): Return NULL_RTX instead of 0. (sparc_function_value_1): Rework handling of vector types. Change size from HOST_WIDE_INT to int. 2018-11-29 Jakub Jelinek PR target/88152 * config/i386/sse.md (*_movmsk_lt, *_movmsk_zext_lt, *_movmsk_shift, *_movmsk_zext_shift, *_pmovmskb_lt, *_pmovmskb_zext_lt): New define_insn_and_split patterns. PR target/54700 * config/i386/sse.md (*_blendv_lt, *_blendv_ltint, *_pblendvb_lt): Change define_insn into define_insn_and_split. 2018-11-29 Peter Bergner PR target/87496 * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow -mabi=ieeelongdouble without both -mpopcntd and -mvsx. 2018-11-29 Uros Bizjak * config/i386/i386.c (inline_memory_move_cost): Check "in" for 2 in MMX_CLASS_P case. * config/i386/mmx.md (*mov_internal): Correct TARGET_INTER_UNIT_MOVES_FROM_VEC and TARGET_INTER_UNIT_MOVES_TO_VEC alternatives in preferred_for_speed attribute calculation. 2018-11-29 Martin Sebor PR c/88172 PR testsuite/88208 * doc/extend.texi (attribute constructor): Clarify. 2018-11-29 Martin Liska PR middle-end/88246 * builtins.c (expand_movstr): Fix thinko introduced when switching to the new enum. 2018-11-29 qing zhao * cif-code.def (EXTERN_LIVE_ONLY_STATIC): New CIF code. * common.opt: Add -flive-patching flag. * doc/invoke.texi: Document -flive-patching. * flag-types.h (enum live_patching_level): New enum. * ipa-inline.c (can_inline_edge_p): Disable external functions from inlining when flag_live_patching is LIVE_PATCHING_INLINE_ONLY_STATIC. * opts.c (control_options_for_live_patching): New function. (finish_options): Make flag_live_patching incompatible with flag_lto. Control IPA optimizations based on different levels of flag_live_patching. 2018-11-29 Giuliano Belinassi * match.pd (sinh (atanh (x))): New simplification rules. (cosh (atanh (x))): Likewise. 2018-11-29 Jakub Jelinek PR target/54700 * config/i386/sse.md (ssebytemode): Add V16SI, V8SI and V4SI entries. (ssefltmodesuffix, ssefltvecmode): New define_mode_attrs. (*_blendv_lt, *_blendv_ltint, *_pblendvb_lt): New define_insns. PR target/88152 * tree.h (build_uniform_cst, uniform_integer_cst_p): Declare. * tree.c (build_uniform_cst, uniform_integer_cst_p): New functions. * match.pd (define_predicates): Add uniform_integer_cst_p. (cmp @0 INTEGER_CST@1, cmp (convert?@2 @0) INTEGER_CST@1): Adjust so that it works also for vector comparisons with uniform constants with INTEGER_CST element. PR target/88234 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): For vec_add and vec_sub builtins, perform PLUS_EXPR or MINUS_EXPR in unsigned_type_for instead of vector integral type where overflow doesn't wrap. 2018-11-29 Michael Ploujnikov There can be at most one .resolver clone per function * config/rs6000/rs6000.c (make_resolver_func): Generate resolver symbol with clone_function_name instead of clone_function_name_numbered. 2018-11-29 Richard Biener PR tree-optimization/88243 * tree-vect-patterns.c (vect_mark_pattern_stmts): Set the def type of all pattern-sequence stmts to vect_internal_def. 2018-11-29 Andre Vieira PR target/88224 * config/arm/arm-cpus.in (armv7-r): Add FP16conv configurations. (cortex-r7, cortex-r8): Update default and add new configuration. * doc/invoke.texi (armv7-r): Add two new vfp options. (nofp.dp): Add cortex-r7 and cortex-r8 to the list of targets that support this option. 2018-11-29 Alan Modra * config/rs6000/rs6000.c (rs6000_emit_move): Disable long double split for targets other than Darwin. 2018-11-29 Alan Modra * config/rs6000/rs6000.md (movdi_internal64): Correct lengths. 2018-11-29 Alan Modra * config/rs6000/predicates.md (easy_fp_constant): Remove code dealing with integers in const_double. Assert on unexpected modes. Delete superfluous ABI_V4 test. * config/rs6000/rs6000.c (rs6000_emit_move): Comment fixes. Don't call easy_fp_constant for Pmode. (rs6000_hash_constant): Remove code dealing with integers in const_double. (rs6000_legitimate_constant_p): Likewise. (output_toc): Formatting, use CONST_DOUBLE_P. 2018-11-29 Alan Modra * config/rs6000/constraints.md (G, H): Comment on purpose of constraint. Correct mode comments and "G" mode test. * config/rs6000/rs6000.md (movdi_internal32): Remove "GH" from alternative handling "F". Add length attr. Formatting. (mov_softfloat ): Delete "GH" from alternative, and move "F" to separate alternative. Correct insn lengths. 2018-11-29 Alan Modra * config/rs6000/predicates.md (easy_vector_constant): Don't call easy_fp_constant. 2018-11-29 Alan Modra * config.in (HAVE_AS_PLTSEQ): Add. * config/rs6000/predicates.md (indirect_call_operand): New. * config/rs6000/rs6000-protos.h (rs6000_pltseq_template), (rs6000_sibcall_sysv): Declare. * config/rs6000/rs6000.c (init_cumulative_args): Set cookie CALL_LONG for -fno-plt. (print_operand ): Handle UNSPEC_PLTSEQ. (rs6000_indirect_call_template_1): Emit .reloc directives for UNSPEC_PLTSEQ calls. (rs6000_pltseq_template): New function. (rs6000_longcall_ref): Add arg parameter. Use PLT16 insns if relocs supported by assembler. Move SYMBOL_REF test to callers. (rs6000_call_aix): Adjust rs6000_longcall_ref call. Package insns in UNSPEC_PLTSEQ, preserving original func_desc. (rs6000_call_sysv): Likewise. (rs6000_sibcall_sysv): New function. * config/rs6000/rs6000.h (HAVE_AS_PLTSEQ): Provide default. * config/rs6000/rs6000.md (UNSPEC_PLTSEQ, UNSPEC_PLT16_HA, UNSPEC_PLT16_LO): New. (pltseq_tocsave, pltseq_plt16_ha, pltseq_plt16_lo, pltseq_mtctr): New. (call_indirect_nonlocal_sysv): Don't differentiate zero from non-zero cookie in constraints. Test explicitly for flags in length attr. Handle unspec operand 1. (call_value_indirect_nonlocal_sysv): Likewise. (call_indirect_aix, call_value_indirect_aix): Handle unspec operand 1. (call_indirect_elfv2, call_value_indirect_elfv2): Likewise. (sibcall, sibcall_value): Use rs6000_sibcall_sysv. (sibcall_indirect_nonlocal_sysv): New pattern. (sibcall_value_indirect_nonlocal_sysv): Likewise. (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Remove indirect call alternatives. * configure.ac: Check for gas plt sequence marker support. * configure: Regenerate. 2018-11-29 Alan Modra * config/rs6000/predicates.md (unspec_tls): New. * config/rs6000/rs6000-protos.h (rs6000_call_template), (rs6000_sibcall_template): Update prototype. (rs6000_longcall_ref): Delete. (rs6000_call_sysv): Declare. * config/rs6000/rs6000.c (edit_tls_call_insn): New function. (global_tlsarg): New variable. (rs6000_legitimize_tls_address): Rewrite __tls_get_addr call handling. (print_operand): Extract UNSPEC_TLSGD address operand. (rs6000_call_template, rs6000_sibcall_template): Remove arg parameter, extract from second call operand instead. (rs6000_longcall_ref): Make static, localize vars. (rs6000_call_aix): Rename parameter to reflect new usage. Take tlsarg from global_tlsarg. Don't create unused rtl or nop insns. (rs6000_sibcall_aix): Rename parameter to reflect new usage. Take tlsarg from global_tlsarg. (rs6000_call_sysv): New function. * config/rs6000/rs6000.md: Adjust rs6000_call_template and rs6000_sibcall_template throughout. (tls_gd_aix, tls_gd_sysv, tls_gd_call_aix, tls_gd_call_sysv): Delete. (tls_ld_aix, tls_ld_sysv, tls_ld_call_aix, tls_ld_call_sysv): Delete. (tls_gdld_nomark): New insn. (tls_gd): Swap operand order. Simplify mode selection. (tls_gd_high, tls_gd_low): Swap operand order. (tls_ld): Remove const_int 0 vector element from UNSPEC_TLSLD. Simplify mode selection. (tls_ld_high, tls_ld_low): Similarly adjust UNSPEC_TLSLD. (call, call_value): Don't assert for second call operand. Use rs6000_call_sysv. 2018-11-29 Alan Modra * config/rs6000/darwin.md (call_indirect_nonlocal_darwin64), (call_nonlocal_darwin64, call_value_indirect_nonlocal_darwin64), (call_value_nonlocal_darwin64): Remove constraints from second call arg, the rounded_stack_size_rtx arg. * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv, tls_gd_call_aix), (tls_gd_call_sysv, tls_ld_aix, tls_ld_sysv, tls_ld_call_aix), (tls_ld_call_sysv, call_local32, call_local64, call_value_local32), (call_value_local64, call_indirect_nonlocal_sysv), (call_nonlocal_sysv, call_nonlocal_sysv_secure), (call_value_indirect_nonlocal_sysv, call_value_nonlocal_sysv), (call_value_nonlocal_sysv_secure, call_local_aix), (call_value_local_aix, call_nonlocal_aix, call_value_nonlocal_aix), (call_indirect_aix, call_value_indirect_aix, call_indirect_elfv2), (call_value_indirect_elfv2, sibcall_local32, sibcall_local64), (sibcall_value_local32, sibcall_value_local64, sibcall_aix), (sibcall_value_aix): Likewise. 2018-11-29 Alan Modra * config/rs6000/rs6000.md (TLSmode): Delete mode iterator. Replace with P throughout except for call mems which should use SI. (tls_abi_suffix, tls_sysv_suffix, tls_insn_suffix): Delete mode attributes. Replace with bits, mode and ptrload respectively. 2018-11-29 Alan Modra * config/rs6000/rs6000-protos.h (rs6000_indirect_call_template), (rs6000_indirect_sibcall_template): Declare. * config/rs6000/rs6000.c (rs6000_indirect_call_template_1), (rs6000_indirect_call_template, rs6000_indirect_sibcall_template): New functions. * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv), (call_value_indirect_nonlocal_sysv, sibcall_nonlocal_sysv), (call_indirect_aix, call_value_indirect_aix): Use rs6000_indirect_call_template and rs6000_indirect_sibcall_template. call_indirect_elfv2, call_value_indirect_elfv2): Likewise, and handle both speculation and non-speculation cases. (call_indirect_aix_nospec, call_value_indirect_aix_nospec): Delete. (call_indirect_elfv2_nospec, call_value_indirect_elfv2_nospec): Delete. 2018-11-29 Alan Modra * config/rs6000/rs6000-protos.h (rs6000_call_template): Declare. (rs6000_sibcall_template): Declare. (macho_call_template): Rename from output_call. * config/rs6000/rs6000.c (rs6000_call_template_1): New function. (rs6000_call_template, rs6000_sibcall_template): Likewise. (macho_call_template): Rename from output_call. * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv), (tls_gd_call_aix, tls_gd_call_sysv, tls_ld_aix, tls_ld_sysv), (tls_ld_call_aix, tls_ld_call_sysv, call_nonlocal_sysv), (call_nonlocal_sysv_secure, call_value_nonlocal_sysv), (call_value_nonlocal_sysv_secure, call_nonlocal_aix), (call_value_nonlocal_aix): Use rs6000_call_template and update occurrences of output_call to macho_call_template. (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv, sibcall_aix), (sibcall_value_aix): Use rs6000_sibcall_template. 2018-11-28 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_clear): Change how we determine if unaligned vsx is ok. 2018-11-28 Jan Hubicka * predict.c (determine_unlikely_bbs): Forward declare; also determine edges that are always known to be taken because it is only likely edge out of given BB. (tree_estimate_probability): Call before profile guessing to get bit of extra precision. 2018-11-28 Jan Hubicka * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Handle profile_probability::always better. 2018-11-28 Jan Hubicka * profile-count.h (profile_count::split): Give better result when splitting profile_probability::always. 2018-11-28 Vladimir Makarov PR target/88207 * ira-costs.c (scan_one_insn): Process subregs when updating costs for pseudos and allocnos from insn. 2018-11-28 David Edelsohn * config/rs6000/aix72.h: Update to match aix71.h changes. 2018-11-28 Jeff Law * config/h8300/constraints.md: Add "C" constraint for call insns. * config/h8300/h8300.md (call, call_value): Turn into a define_expand and define_insn pair. Move invalid call targets into a register in the expander and fix constraints in the matching pattern. * config/h8300/predicates.md (call_expander_operand): Renamed from call_insn_operand. Reject things we shouldn't be trying to handle. (call_insn_operand): New predicate for use by the call/call_value insns. (small_call_insn_operand): Update appropriately. 2018-11-28 Sam Tebbs * config/aarch64/aarch64.c (aarch64_process_target_attr): Replace calls to strtok with strtok_r. 2018-11-28 Richard Biener PR tree-optimization/88223 * tree-ssa-sccvn.c (vn_reference_lookup_3): When skipping over a stored-same value may-alias store make sure to consider partial overlaps which are valid when TBAA reasonings do not apply and byte-granular overlaps are possible at all. 2018-11-28 Richard Biener PR tree-optimization/88217 * vr-values.c (vr_values::extract_range_from_phi_node): Make sure to handle results > +INF and < -INF correctly when trying to drop down to +INF - 1 or -INF + 1. 2018-11-28 Alan Modra * xcoffout.c (do_block): Signed/unsigned warning fix. 2018-11-28 Richard Biener PR tree-optimization/79351 * tree-ssa-sccvn.c (vn_reference_lookup_3): For assignments from empty CONSTRUCTORs ensure the store is at a constant position. 2018-11-28 Richard Biener PR tree-optimization/88229 * tree-ssa.c (non_rewritable_mem_ref_base): Check DECL_SIZE_UNIT is an INTEGER_CST before accessing it so. 2018-11-28 Sam Tebbs * doc/invoke.texi (-mtune=): Remove obsolete CPU names. 2018-11-28 Jakub Jelinek PR target/88189 * config/i386/i386.c (ix86_expand_sse_movcc): Handle DFmode and SFmode using sse4_1_blendvs[sd] with TARGET_SSE4_1. Formatting fixes. * config/i386/sse.md (sse4_1_blendv): New pattern. 2018-11-27 Martin Liska * gcov.c (generate_results): Append current_working_directory only when exists. 2018-11-27 Mike Gulick PR preprocessor/83173 * input.c (dump_location_info): Dump reason and included_from fields from line_map_ordinary struct. Fix indentation when location > 5 digits. * diagnostic-show-locus.c (num_digits, num_digits): Move to diagnostic.c to allow it to be utilized by input.c. * diagnostic.c (num_digits, selftest::test_num_digits): Moved here. (selftest::diagnostic_c_tests): Run selftest::test_num_digits. * diagnostic.h (num_digits): Add extern definition. 2018-11-27 Fredrik Noring * config/mips/mips.c (mips_reorg_process_insns) (mips_option_override): Handle `-mfix-r5900'. * config/mips/mips.h (ASM_SPEC): Add `mfix-r5900' and `mno-fix-r5900'. * config/mips/mips.opt (mfix-r5900): New option. * doc/invoke.texi: Document the `r5900' processor name, and `-mfix-r5900' and `-mno-fix-r5900' options. 2018-11-27 Jakub Jelinek PR target/88188 * config/rs6000/rs6000.c (print_operand) : Use output_operand_lossage instead of gcc_assert. : Likewise. : Likewise. : Use output_operand_lossage instead of gcc_unreachable. 2018-11-27 Jeff Law * config/riscv/riscv (riscv_block_mvoe_straight): Use RETURN_BEGIN in call to move_by_pieces. * config/sh/sh-mem.c (expand_block_move): Use RETURN_BEGIN in call to move_by_pieces. * config/lm32/lm32.c (lm32_block_move_inline): Use RETURN_BEGIN in call to move_by_pieces. * config/mips/mips.c (mips_block_move_straight): Use RETURN_BEGIN in call to move_by_pieces. * config/microblaze/microblaze.c (microblaze_block_move_straight): Use RETURN_BEGIN in call to move_by_pieces. (microblaze_expand_block_move): Likewise. 2018-11-27 Tamar Christina * doc/md.texi (xorsign): Document it. 2018-11-27 Martin Liska * config/gnu-user.h (TARGET_F951_OPTIONS): New. * gcc.c (find_fortran_preinclude_file): New function to handle Fortran pre-include. 2018-11-27 Martin Liska * asan.c (asan_emit_stack_protection): Use new enum values instead of int constants. * builtins.c (expand_builtin_memory_copy_args): Replace int type with memop_ret enum type. (expand_builtin_mempcpy_args): Likewise. (expand_builtin_memcpy): Use new enum values instead of int constants. Likewise. (expand_builtin_mempcpy): Likewise. (expand_movstr): Likewise. (expand_builtin_strcpy_args): Likewise. (expand_builtin_stpcpy_1): Likewise. (expand_builtin_strncpy): Likewise. (expand_builtin_memset_args): Likewise. * expr.c (move_by_pieces_d::finish_endp): Rename to ... (move_by_pieces_d::finish_retmode): ... this. (move_by_pieces): Change last argument type to memop_ret. (store_by_pieces): Use new enum values instead of int constants. (emit_block_move_hints): Likewise. (emit_push_insn): Likewise. (store_expr): Likewise. * expr.h (store_by_pieces): Change int to newly added enum type. * rtl.h (enum memop_ret): Define. (move_by_pieces): Use the enum type. 2018-11-27 Alan Modra * config/rs6000/aix71.h (ASM_SPEC): Don't select default -maix64 cpu here. (ASM_CPU_SPEC): Do so here. Rewrite using if .. else if .. specs form. Error on missing -mcpu case. * config/rs6000/driver-rs6000.c (asm_names <_AIX>): Update NULL case. (asm_names ): Add missing cpus. Update NULL case. Apply PR63177 fix for -mcpu=power8 and -mcpu=powerpc64le. * config/rs6000/rs6000.h (ASM_CPU_SPEC): Rewrite using if .. else if .. specs form. Error on missing -mcpu case. Don't output duplicate -maltivec. Apply PR63177 fix for -mcpu=powerpc64le. 2018-11-26 David Malcolm * dump-context.h (dump_context::dump_loc): Convert 1st param from dump_flags_t to const dump_metadata_t &. Convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_loc_immediate): Convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_gimple_stmt): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::void dump_gimple_stmt_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_gimple_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_gimple_expr_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_generic_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_generic_expr_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_printf_va): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_printf_loc_va): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_dec): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_symtab_node): Likewise. (dump_context::begin_scope): Split out 2nd param into user and impl locations. (dump_context::ensure_pending_optinfo): Add metadata param. (dump_context::begin_next_optinfo): Replace dump_location_t param with metadata and user location. * dumpfile.c (dump_context::dump_loc): Convert 1st param from dump_flags_t to const dump_metadata_t &. Convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_loc_immediate): Convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_gimple_stmt): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::void dump_gimple_stmt_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_gimple_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_gimple_expr_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_generic_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_generic_expr_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_printf_va): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_printf_loc_va): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_context::dump_dec): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_context::dump_symtab_node): Likewise. (dump_context::begin_scope): Split out 2nd param into user and impl locations. (dump_context::ensure_pending_optinfo): Add metadata param. (dump_context::begin_next_optinfo): Replace dump_location_t param with metadata and user location. (dump_gimple_stmt): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_gimple_stmt_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_gimple_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_gimple_expr_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_generic_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_generic_expr_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_printf): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_printf_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_dec): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_symtab_node): Likewise. (dump_begin_scope): Split out 2nd param into user and impl locations. (selftest::assert_impl_location_eq): New function. (ASSERT_IMPL_LOCATION_EQ): New macro. (selftest::test_impl_location): Update to use ASSERT_IMPL_LOCATION_EQ. (selftest::test_capture_of_dump_calls): Convert "loc" to dump_user_location_t. Add ASSERT_IMPL_LOCATION_EQ throughout, verifying line numbers of dump emissions. * dumpfile.h (class dump_metadata_t): New class. (dump_printf): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_printf_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_generic_expr_loc): Likewise. (dump_generic_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_gimple_stmt_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_gimple_stmt): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_gimple_expr_loc): Likewise; convert 2nd param from const dump_location_t & to const dump_user_location_t &. (dump_gimple_expr): Convert 1st param from dump_flags_t to const dump_metadata_t &. (dump_symtab_node): Likewise. (dump_dec): Likewise. (dump_begin_scope): Split out 2nd param into user and impl locations. (auto_dump_scope::auto_dump_scope): Split "loc" param into a user location and impl_location, and capture the impl_location. (AUTO_DUMP_SCOPE): Rename param from LOC to USER_LOC. * loop-unroll.c (report_unroll): Update for changes to dump_printf_loc and dump_printf. * opt-problem.cc (opt_problem::opt_problem): Update for change to dump_loc. * optinfo-emit-json.cc (selftest::test_building_json_from_dump_calls): Convert "loc" from dump_location_t to dump_user_location_t. * optinfo.cc (optinfo::emit_for_opt_problem): Update for change in dump_loc_immediate. * profile.c (compute_branch_probabilities): Update for change to dump_printf_loc. * selftest.h (ASSERT_STR_CONTAINS_AT): New macro. * tree-vect-slp.c (vect_print_slp_tree): Update for change to dump_printf_loc. 2018-11-27 Jozef Lawrynowicz * doc/sourcebuild.texi: Document check_effective_target_int_eq_float and check_effective_target_ptr_eq_long. 2018-11-27 Alan Modra * config.gcc (powerpc*-*-freebsd*, powerpc-*-netbsd*), (powerpc-*-eabisimaltivec*, powerpc-*-eabisim*, powerpc-*-elf*), (powerpc-*-eabialtivec*, powerpc-*-eabi*, powerpc-*-rtems*), (powerpc-wrs-vxworks*, powerpc-*-lynxos*, powerpcle-*-elf*), (powerpcle-*-eabisim*, powerpcle-*-eabi*): Add gnu-user.h to tm_file. * config/rs6000/freebsd.h (CPLUSPLUS_CPP_SPEC), (LINK_GCC_C_SEQUENCE_SPEC): Undef. (ASM_APP_ON, ASM_APP_OFF): Don't define. * config/rs6000/freebsd64.h (ASM_APP_ON, ASM_APP_OFF): Don't define. * config/rs6000/lynx.h (ASM_APP_ON, ASM_APP_OFF): Don't define. * config/rs6000/linux64.h (LINK_GCC_C_SEQUENCE_SPEC): Define. * config/rs6000/netbsd.h (CPLUSPLUS_CPP_SPEC), (LINK_GCC_C_SEQUENCE_SPEC): Undef. * config/rs6000/rtems.h (LINK_GCC_C_SEQUENCE_SPEC): Define. * config/rs6000/sysv4.h (GNU_USER_TARGET_CRTI): Redefine. (GNU_USER_TARGET_CRTN): Redefine. (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC. (LIB_LINUX_SPEC): Use GNU_USER_TARGET_LIB_SPEC. (CRTOFFLOADBEGIN, CRTOFFLOADEND): Don't define. (STARTFILE_LINUX_SPEC): Define as GNU_USER_TARGET_STARTFILE_SPEC. (ENDFILE_LINUX_SPEC): Define as GNU_USER_TARGET_ENDFILE_SPEC. (UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER): Don't define. (LINK_EH_SPEC): Don't define. 2018-11-26 Martin Sebor PR 87756 * expr.c (string_constant): Handle top-level decls of all character types and subobjects of narrow character type. 2018-11-27 Alan Modra * config.gcc (powerpc*-*-linux*): Add linux.h to tm_file. * config/rs6000/linux.h (TARGET_OS_CPP_BUILTINS): Use GNU_USER_TARGET_OS_CPP_BUILTINS. (RS6000_ABI_NAME): Define. * config/rs6000/linux64.h (TARGET_OS_CPP_BUILTINS): Use GNU_USER_TARGET_OS_CPP_BUILTINS. (MUSL_DYNAMIC_LINKER32): Undef before defining. (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64): Don't define. (CHOOSE_DYNAMIC_LINKER): Don't define. (GNU_USER_DYNAMIC_LINKER32, GNU_USER_DYNAMIC_LINKER64): Don't define. * config/rs6000/sysv4.h (MUSL_DYNAMIC_LINKER): Undef before defining. (CHOOSE_DYNAMIC_LINKER, GNU_USER_DYNAMIC_LINKER): Only define when not already defined. (CPP_OS_LINUX_SPEC): Remove defines and asserts handled by TARGET_OS_CPP_BUILTINS. 2018-11-26 Jozef Lawrynowicz * doc/sourcebuild.texi: Document check_effective_target_newlib_nano_io. 2018-11-26 Jakub Jelinek PR target/88195 * config/i386/i386.c (def_builtin2): If tcode == VOID_FTYPE_UINT64 and !TARGET_64BIT, return NULL_TREE. PR c++/86900 * dwarf2out.c (secname_for_decl): For functions with DECL_SECTION_NAME if in_cold_section_p, try to return current_function_section's name if it is a named section. 2018-11-26 Maya Rashish PR target/58397 * config.host (*-*-netbsd*): Use x-netbsd and host-netbsd.o. * config/x-netbsd: New file. * config/host-netbsd: New file. 2018-11-26 Jozef Lawrynowicz * doc/sourcebuild.texi: Document check_effective_target_size20plus. Clarify documentation for check_effective_target_size32plus. 2018-11-26 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_cmp_vec_sequence): Rename and modify expand_strncmp_vec_sequence. (emit_final_compare_vec): Rename and modify emit_final_str_compare_vec. (generate_6432_conversion): New function. (expand_block_compare): Add support for vsx. (expand_block_compare_gpr): New function. * config/rs6000/rs6000.opt (rs6000_block_compare_inline_limit): Increase default limit to 63 because of more compact vsx code. 2018-11-26 Uros Bizjak PR target/88178 * config/i386/i386.c (dbx_register_map): Use IGNORED_DWARF_REGNUM for registers for which no debug information can be generated. Use INVALID_REGNUM for non-existent registers. (dbx64_register_map): Ditto. (svr4_dbx_register_map): Ditto. 2018-11-26 Sandra Loosemore PR c/57182 * doc/invoke.texi (Optimize Options): Document that -freorder-functions also uses "hot" and "cold" attributes. 2018-11-26 Kyrylo Tkachov * config/aarch64/aarch64.c (aarch64_mangle_type): Fix typo in comment. 2018-11-26 Kyrylo Tkachov * config/arm/types.md (mul64): Rename to... (widen_mul64): ... This. * config/arm/arm-generic.md: Rename mul64 to widen_mul64. * config/arm/cortex-a15.md: Likewise. * config/arm/cortex-a5.md: Likewise. * config/arm/cortex-a53.md: Likewise. * config/arm/cortex-a57.md: Likewise. * config/arm/cortex-a7.md: Likewise. * config/arm/cortex-m4.md: Likewise. * config/arm/exynos-m1.md: Likewise. * config/arm/marvell-pj4.md: Likewise. * config/arm/xgene1.md: Likewise. 2018-11-26 Richard Biener PR tree-optimization/88182 * tree-vect-loop.c (vectorizable_reduction): Pick up single correct reduc_def_info. * tree-vect-slp.c (vect_analyze_slp_instance): Set STMT_VINFO_REDUC_DEF of the first stmt. 2018-11-26 Andreas Krebbel * doc/invoke.texi: Document z14/arch12 -march option. 2018-11-25 Sandra Loosemore PR c/57166 * doc/invoke.texi (Option Summary): Add -Wmissing-noreturn. (Warning Options): Likewise. 2018-11-25 Sandra Loosemore PR web/79738 * doc/extend.texi (Common Function Attributes): Clarify that functions with "const" attribute can read const global variables. 2018-11-26 Alan Modra * config/rs6000/rs6000.h (OBJECT_PEF, TARGET_MACOS): Delete. 2018-11-25 Sandra Loosemore PR other/54265 * doc/extend.texi (Common Variable Attributes): Use preferred placement of type attributes in examples, plus whitespace fixes. (Type Attributes): Clarify why placement of attributes immediately after struct/union/enum keyword is preferred. (Common Type Attributes): Use preferred placement of type attributes in examples, plus more whitespace fixes. 2018-11-25 Paul Koning * config/pdp11/pdp11.h (TARGET_HAS_NO_HW_DIVIDE): Define. 2018-11-25 Rainer Orth * doc/sourcebuild.texi (Effective-Target Keywords, Environment attributes): Document d_runtime. 2018-11-25 Vladimir Makarov PR bootstrap/88157 * ira-costs.c (record_operand_costs): Initiate register move cost for mode. 2018-11-23 Jeff Law PR rtl-optimization/87468 * tree-ssa-threadupdate.c (create_block_for_threading): Clear EDGE_IGNORE on all outgoing edges of the duplicate block. 2018-11-23 Vladimir Makarov PR bootstrap/88157 * ira-costs.c (record_operand_costs): Use bigger hard reg class if its mode does not fit to the original class. 2018-11-23 Martin Sebor PR tree-optimization/87756 * expr.c (string_constant): Synthesize a string literal from the address of a constant character. * tree.c (build_string_literal): Add an argument. * tree.h (build_string_literal): Same. 2018-11-23 Christoph Muellner * config/aarch64/aarch64-cores.def: Define emag. * config/aarch64/aarch64-tune.md: Regenerated with emag. * config/aarch64/aarch64.c (emag_tunings): New struct. * doc/invoke.texi: Document mtune value. 2018-11-23 Christoph Muellner Philipp Tomsich * config/aarch64/aarch64.c (xgene1_tunings): Optimize Xgene1 tunings for GCC 9. * config/aarch64/aarch64.c (xgene1_tunings): Add Xgene1 specific prefetch tunings. * config/aarch64/aarch64.c (xgene1_addrcost_table): Correct the post-modify costs. * config/arm/aarch-cost-tables.h (xgene1_extra_costs): Update the cost table for XGene1. 2018-11-23 Richard Biener PR tree-optimization/88149 * tree-vect-slp.c (vect_slp_analyze_node_operations): Detect the case where there are two different def types for the same operand at different operand position in the same stmt. 2018-23-11 Mihail Ionescu * config/arm/arm.c (arm_expand_compare_and_swap): Simplify and call gen_atomic_compare_swap_1. (arm_evpc_neon_vuzp): Likewise gen_neon_vuzp_internal. (arm_evpc_neon_vtrn): Likewise gen_neon_vtrn_internal. (arm_evpc_neon_vext): Likewise gen_neon_vext_internal. (arm_evpc_neon_vzip): Likewise gen_neon_vzip_internal. (arm_evpc_neon_vrev): Replace the function pointer and simplify the mode checks. * config/arm/arm.md (neon_vext), (neon_vrev64, neon_vrev32), (neon_vrev16, neon_vtrn_internal), (neon_vzip_internal, neon_vuzp_internal): Add an '@'character before the pattern name. * config/arm/sync.md: (atomic_compare_and_swap_1), (atomic_compare_and_swap_1): Likewise. 2018-11-23 Jakub Jelinek PR tree-optimization/86614 * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Return early if TREE_NO_WARNING is set on ref.ref. 2018-11-22 Sandra Loosemore Alan Coopersmith PR c/53608 * doc/extend.texi (Designated Inits): Clarify handling of multiple initializers for unions. 2018-11-22 Jan Hubicka PR lto/88142 * ipa-devirt.c (type_variants_equivalent_p): Drop warn and warned parameters; do not warn here. (odr_subtypes_equivalent_p): Likewise. (warn_odr): Fix typo. (warn_types_mismatch): Do not output confused warnings on integer types. (odr_types_equivalent_p): Update. 2018-11-22 Jakub Jelinek * config/i386/i386.c (ix86_option_override_internal, ix86_can_inline_p, classify_argument, construct_container, ix86_expand_prologue, ix86_expand_split_stack_prologue, ix86_expand_carry_flag_compare, expand_set_or_movmem_via_loop, expand_setmem_epilogue_via_loop, promote_duplicated_reg, ix86_expand_set_or_movmem, ix86_init_builtins_va_builtins_abi): Formatting fixes. * config/i386/i386.c (ix86_option_override_internal): For stack_protector_guard related options, use opts_set->x_ instead of global_options_set. and prefix options with opts->x_ . Move defaults for offset and reg into else block. 2018-11-22 Uros Bizjak * config/i386/i386.c (ix86_check_avx_upper_register): Return true for all SSE registers with mode bitsize > 128. 2018-11-22 Vladimir Makarov PR rtl-optimization/87718 * ira-costs.c: Remove trailing white-spaces. (record_operand_costs): Add a special treatment for moves involving a hard register. 2018-11-22 Uros Bizjak * config/i386/i386.c (ix86_avx_emit_vzeroupper): Remove. (ix86_emit_mode_set) : Emit vzeroupper here. 2018-11-22 Martin Liska * common/config/i386/i386-common.c (processor_names): Add static assert and add missing "znver2". (ix86_get_valid_option_values): Add checking assert for null values and add "native" value if feasible. * config/i386/i386.h: Do not declare size of processor_names. * common/config/i386/i386-common.c: * config/i386/i386.c: Add static assert for size of processor_cost_table. 2018-11-22 Thomas Preud'homme * target-insns.def (stack_protect_combined_set): Define new standard pattern name. (stack_protect_combined_test): Likewise. * cfgexpand.c (stack_protect_prologue): Try new stack_protect_combined_set pattern first. * function.c (stack_protect_epilogue): Try new stack_protect_combined_test pattern first. * config/arm/arm.c (require_pic_register): Add pic_reg and compute_now parameters to control which register to use as PIC register and force reloading PIC register respectively. Insert in the stream of insns if possible. (legitimize_pic_address): Expose above new parameters in prototype and adapt recursive calls accordingly. Use pic_reg if non null instead of cached one. (arm_load_pic_register): Add pic_reg parameter and use it if non null. (arm_legitimize_address): Adapt to new legitimize_pic_address prototype. (thumb_legitimize_address): Likewise. (arm_emit_call_insn): Adapt to require_pic_register prototype change. (arm_expand_prologue): Adapt to arm_load_pic_register prototype change. (thumb1_expand_prologue): Likewise. * config/arm/arm-protos.h (legitimize_pic_address): Adapt to prototype change. (arm_load_pic_register): Likewise. * config/arm/predicated.md (guard_addr_operand): New predicate. (guard_operand): New predicate. * config/arm/arm.md (movsi expander): Adapt to legitimize_pic_address prototype change. (builtin_setjmp_receiver expander): Adapt to thumb1_expand_prologue prototype change. (stack_protect_combined_set): New expander.. (stack_protect_combined_set_insn): New insn_and_split pattern. (stack_protect_set_insn): New insn pattern. (stack_protect_combined_test): New expander. (stack_protect_combined_test_insn): New insn_and_split pattern. (arm_stack_protect_test_insn): New insn pattern. * config/arm/thumb1.md (thumb1_stack_protect_test_insn): New insn pattern. * config/arm/unspecs.md (UNSPEC_SP_SET): New unspec. (UNSPEC_SP_TEST): Likewise. * doc/md.texi (stack_protect_combined_set): Document new standard pattern name. (stack_protect_set): Clarify that the operand for guard's address is legal. (stack_protect_combined_test): Document new standard pattern name. (stack_protect_test): Clarify that the operand for guard's address is legal. 2018-11-22 Richard Biener PR tree-optimization/88148 * tree-ssa-loop-niter.c (simplify_replace_tree): Get optional valueization callback parameter and handle it. * tree-ssa-loop-niter.h (simplify_replace_tree): Export. * tree-ssa-sccvn.c (process_bb): Eliminate in loop niter trees. 2018-11-22 Richard Biener PR lto/87229 PR lto/88112 * lto-streamer-out.c (lto_is_streamable): Allow CALL_EXPRs which can appear in size expressions. * tree-streamer-in.c (unpack_ts_base_value_fields): Stream CALL_EXPR_BY_DESCRIPTOR. (streamer_read_tree_bitfields): Stream CALL_EXPR_IFN. * tree-streamer-out.c (pack_ts_base_value_fields): Stream CALL_EXPR_BY_DESCRIPTOR. (streamer_write_tree_bitfields): Stream CALL_EXPR_IFN. Revert PR lto/87229 * tree.c (free_lang_data_in_one_sizepos): Free non-gimple-val sizepos values. 2018-11-22 Richard Biener PR tree-optimization/88069 * tree-ssa-sccvn.c (visit_phi): Tweak previous fix to not apply to default defs. 2018-11-22 Jakub Jelinek PR target/85644 PR target/86832 * config/i386/i386.c (ix86_option_override_internal): Default ix86_stack_protector_guard to SSP_TLS only if TARGET_THREAD_SSP_OFFSET is defined. * config/i386/i386.md (stack_protect_set, stack_protect_set_, stack_protect_test, stack_protect_test_): Use empty condition instead of TARGET_SSP_TLS_GUARD. 2018-11-22 Martin Liska PR sanitizer/88017 * config/i386/i386.c (ix86_option_override_internal): Error about usage -mabi=ms and -fsanitize=thread. 2018-11-21 Uros Bizjak Revert the revert: 2013-10-26 Vladimir Makarov Revert: 2013-10-25 Vladimir Makarov * lra-spills.c (lra_final_code_change): Remove useless move insns. 2018-11-21 Uros Bizjak PR middle-end/88129 * function.c (expand_function_end): Do not emit extra blockage insn. 2018-11-21 Lokesh Janghel PR target/85667 * config/i386/i386.c (function_value_ms_64): Return AX_REG instead of FIRST_SSE_REG for 4 or 8 byte modes. 2018-11-21 Jan Hubicka PR lto/87957 * tree.c (fld_decl_context): Break out from ... (free_lang_data_in_decl): ... here; free TREE_PUBLIC, TREE_PRIVATE DECL_ARTIFICIAL of TYPE_DECL; do not free TREE_TYPE of TYPE_DECL. (fld_incomplete_type_of): Build copy of TYP_DECL. * ipa-devirt.c (free_enum_values): Rename to ... (free_odr_warning_data): ... this one; free also duplicated TYPE_DECLs and TREE_TYPEs of TYPE_DECLs. (get_odr_type): Initialize odr_vtable_hash if needed. 2018-11-21 Alexandre Oliva * final.c (compute_discriminator): Declare. Renamed from... (maybe_set_discriminator): ... this. Set and return a local. (override_discriminator): New. (final_scan_insn_1): Set it. (notice_source_line): Adjust. Always set discriminator. 2018-11-21 Jakub Jelinek PR target/87839 * config/aarch64/atomics.md (@aarch64_compare_and_swap): Use rIJ constraint for aarch64_plus_operand rather than rn. 2018-11-21 Renlin Li PR middle-end/84877 * explow.h (get_dynamic_stack_size): Declare it as external. * explow.c (record_new_stack_level): Remove function static attribute. * function.c (assign_stack_local_1): Dynamically align the stack slot addr for parameter copy on the stack. 2018-11-21 Richard Biener PR bootstrap/88133 * bitmap.c (bitmap_last_set_bit): Refactor to avoid warning. * Makefile.in (bitmap.o-warn): Remove again. 2018-11-20 Jeff Law PR tree-optimization/88069 * tree-ssa-dom.c (record_equivalences_from_phis): Propagate away degenerate virtual PHIs. 2018-11-21 H.J. Lu PR target/87317 * config/i386/sse.md (sse4_1_v8qiv8hi2): Replace nonimmediate_operand with register_operand. (avx2_v8qiv8si2): Likewise. (sse4_1_v4qiv4si2): Likewise. (sse4_1_v4hiv4si2): Likewise. (sse4_1_v2qiv2di2): Likewise. (avx512f_v8qiv8di2): Likewise. (avx2_v4qiv4di2): Likewise. (avx2_v4hiv4di2): Likewise. (sse4_1_v2hiv2di2): Likewise. (sse4_1_v2siv2di2): Likewise. (*sse4_1_v8qiv8hi2_1): New pattern. (*sse4_1_v8qiv8hi2_2): Likewise. (*avx2_v8qiv8si2_1): Likewise. (*avx2_v8qiv8si2_2): Likewise. (*sse4_1_v4qiv4si2_1): Likewise. (*sse4_1_v4qiv4si2_2): Likewise. (*sse4_1_v4hiv4si2_1): Likewise. (*sse4_1_v4hiv4si2_2): Likewise. (*avx512f_v8qiv8di2_1): Likewise. (*avx512f_v8qiv8di2_2): Likewise. (*avx2_v4qiv4di2_1): Likewise. (*avx2_v4qiv4di2_2): Likewise. (*avx2_v4hiv4di2_1): Likewise. (*avx2_v4hiv4di2_2): Likewise. (*sse4_1_v2hiv2di2_1): Likewise. (*sse4_1_v2hiv2di2_2): Likewise. (*sse4_1_v2siv2di2_1): Likewise. (*sse4_1_v2siv2di2_2): Likewise. 2018-11-21 H.J. Lu * read-rtl.c (apply_subst_iterator): Handle define_split and define_insn_and_split. 2018-11-21 Jakub Jelinek PR rtl-optimization/87817 * config/i386/i386.md (bmi2_bzhi_3, *bmi2_bzhi_3, *bmi2_bzhi_3_1, *bmi2_bzhi_3_1_ccz): Use IF_THEN_ELSE in the pattern to avoid triggering UB when operands[2] is zero. (tbm_bextri_): New expander. Renamed the old define_insn to ... (*tbm_bextri_): ... this. 2018-11-21 Tom de Vries PR driver/79855 * params.def (HOT_BB_COUNT_FRACTION): Terminate help message with period. 2018-11-21 Andreas Krebbel * configure.ac: Add check for Binutils to determine whether vector load/store alignments hints are being supported. * config.in: Regenerate. * configure: Regenerate. * config/s390/s390.c (print_operand): Support new output modifier A. * config/s390/s390.md ("movti"): Append alignment hint output using the new output modifier 'A'. * config/s390/vector.md ("mov", "*vec_tf_to_v1tf") ("*vec_ti_to_v1ti"): Likewise. 2018-11-20 Martin Sebor * doc/extend.texi (Other Builtins): Add __builtin_has_attribute. 2018-11-20 Jan Hubicka PR lto/84044 * ipa-devirt.c (odr_types_equivalent_p): Use operand_equal_p to compare ENUM values. 2018-11-20 Jakub Jelinek PR tree-optimization/87895 * omp-simd-clone.c (ipa_simd_modify_function_body): When removing or replacing GIMPLE_RETURN, set EDGE_FALLTHRU on the edge to EXIT. (simd_clone_adjust): Don't set EDGE_FALLTHRU here. In a loop that redirects edges to EXIT to edges to incr_bb, iterate while EXIT has any preds and always use EDGE_PRED (, 0). 2018-11-20 Uros Bizjak PR target/88070 * mode-switching.c (create_pre_exit): After reload, always split the fallthrough edge to the exit block. 2018-11-20 Jan Hubicka * ipa-devirt.c (add_type_duplicate): Do not ICE on incomplete enums. * tree.c (build_array_type_1): Forward declare. (fld_type_variant_equal_p): Add INNER_TYPE parameter. (fld_type_variant): Likewise. (fld_simplified_types): New hash. (fld_process_array_type): New function. (fld_incomplete_type_of): Handle array and enumeration types. (fld_simplified_type): Handle simplification of arrays. (free_lang_data): Allocate and free simplified types hash. 2018-11-20 Jan Hubicka PR lto/87957 * ipa-devirt.c (odr_subtypes_equivalent_p): Report ODR violation when sybtype already violates ODR. (get_odr_type): Do not ICE when insert is false and type duplicate is not registered yet. (register_odr_type): Be sure to register subtypes first. 2018-11-20 Andreas Krebbel * config/s390/s390.md ("clztidi2"): Swap the RTX's written to the DImode parts of the target operand. 2018-11-20 Nathan Sidwell PR 87926 * Makefile.in (bitmap.o-warn): Use -Wno-error=array-bounds. 2018-11-20 Jan Hubicka PR lto/87997 * tree.c (free_lang_data_in_cgraph): Add argument fld; break out type checking to... (free_lang_data) ... here; update call of free_lang_data_in_cgraph. 2018-11-20 Jan Hubicka PR ipa/87706 * ipa-fnsummary.c (pass_ipa_fnsummary): Do not remove functions * ipa.c (possible_inline_candidate_p): Break out from .. (process_references): ... here ; drop before_inlining_p; cleanup handling of alises. (walk_polymorphic_call_targets): Likewise. (symbol_table::remove_unreachable_nodes): Likewise. * passes.c (pass_data_ipa_remove_symbols): New structure. (pass_ipa_remove_symbols): New pass. (make_pass_ipa_remove_symbols): New function. * tree-pass.h (make_pass_ipa_remove_symbols): Declare. * passes.def (pass_ipa_remove_symbols): Schedule after early passes. 2018-11-20 Richard Biener * tree-vect-stmts.c (vectorizable_condition): Do not get at else_clause vect def for EXTRACT_LAST_REDUCTION. Remove pointless vect_is_simple_use calls. 2018-11-20 Richard Biener PR tree-optimization/88074 * tree-ssa-dom.c (pass_dominator::execute): Do not walk backedges. 2018-11-20 Richard Biener PR tree-optimization/88069 * tree-ssa-sccvn.c (visit_phi): Do not value-number to unvisited virtual PHI arguments. 2018-11-20 Ilya Leoshkevich PR target/88083 * config/s390/s390.md: Skip LT(G) peephole when literal pool is involved. * rtl.h (contains_constant_pool_address_p): New function. * rtlanal.c (contains_constant_pool_address_p): Likewise. 2018-11-20 Richard Biener PR middle-end/83215 * alias.c (component_uses_parent_alias_set_from): Remove alias-set zero and TYPE_TYPELESS_STORAGE case both already handled in other ways. 2018-11-20 Richard Biener PR tree-optimization/88087 * tree-ssa-pre.c (create_expression_by_pieces): Re-materialize call fntype. * tree-ssa-sccvn.c (copy_reference_ops_from_call): Remember call fntype. 2018-11-20 Richard Biener PR middle-end/88089 * tree-data-ref.c (lambda_matrix_right_hermite): Use abs_hwi. 2018-11-19 Jan Hubicka PR lto/87957 * ipa-devirt.c (free_enum_values): Do not ICE on ODR vilations. 2018-11-19 Sandra Loosemore PR driver/50250 * doc/invoke.texi (Link Options): Mention shared libraries in documentation for the -l option. Simplify discussion and point to the system linker documentation for details. 2018-11-19 Peter Bergner PR rtl-optimization/88033 * ira-lives.c (non_conflicting_reg_copy_p): Skip copies from a register to itself. Use HARD_REGISTER_NUM_P. 2018-11-19 Kyrylo Tkachov * tree-vect-loop.c (vect_transform_loop): Disable further unrolling of the loop if vf is non-constant. 2018-11-19 David Malcolm PR tree-optimization/87025 * dumpfile.c (dump_context::begin_scope): Call end_any_optinfo immediately after creating the scope optinfo. (selftest::test_pr87025): New function. (selftest::dumpfile_c_tests): Call it. * optinfo-emit-json.cc (optrecord_json_writer::pop_scope): Assert that we're not popping the top-level records array. * optinfo.cc (optinfo::handle_dump_file_kind): Assert that we're not changing the kind of a "scope" optinfo. 2018-11-19 David Malcolm PR tree-optimization/87025 * dump-context.h: Include "optinfo.h". (class optrecord_json_writer): New forward decl. (dump_context::forcibly_enable_optinfo_p): Delete. (dump_context::optinfo_enabled_p): New member function. (dump_context::optimization_records_enabled_p): New member function. (dump_context::set_json_writer): New member function. (dump_context::emit_optinfo): New member function. (dump_context::m_forcibly_enable_optinfo): Delete. (dump_context::m_json_writer): New member data. * dumpfile.c (dump_context::set_json_writer): New member function. (dump_context::finish_any_json_writer): New member function. (dump_context::end_scope): Replace call to optimization_records_maybe_pop_dump_scope with call to m_json_writer->pop_scope. (dump_context::optinfo_enabled_p): New member function. (dump_context::end_any_optinfo): Replace call to optinfo::emit with call to dump_context::emit_optinfo. (dump_context::emit_optinfo): New member function. (temp_dump_context::temp_dump_context): Replace m_forcibly_enable_optinfo with call to set_json_writer. (temp_dump_context::~temp_dump_context): Clean up any json writer. * optinfo-emit-json.cc (class optrecord_json_writer): Move to optinfo-emit-json.h (the_json_writer): Delete. (optimization_records_start): Delete. (optimization_records_finish): Delete. (optimization_records_enabled_p): Delete, in favor of dump_context::optimization_records_enabled_p. (optimization_records_maybe_record_optinfo): Delete. (optimization_records_maybe_pop_dump_scope): Delete. * optinfo-emit-json.h: Include "json.h". Delete forward decl of opt_pass. (optimization_records_start): Delete. (optimization_records_finish): Delete. (optimization_records_enabled_p): Delete. (optimization_records_maybe_record_optinfo): Delete. (optimization_records_maybe_pop_dump_scope): Delete. (class optrecord_json_writer): Move here from optinfo-emit-json.cc. * optinfo.cc (optinfo::emit_for_opt_problem): Replace call to optinfo::emit with call to dump_context::emit_optinfo. (optinfo::emit): Delete, in favor of dump_context::emit_optinfo. (optinfo_enabled_p): Delete, in favor of dump_context::optinfo_enabled_p. (optinfo_wants_inlining_info_p): Update for conversion o optimization_records_enabled_p to a member function of dump_context. * optinfo.h (optinfo_enabled_p): Delete, in favor of dump_context::optinfo_enabled_p. (optinfo::emit): Delete, in favor of dump_context::emit_optinfo. * toplev.c: Include "dump-context.h". (compile_file): Replace call to optimization_records_finish with dump_context::finish_any_json_writer. (do_compile): Replace call to optimization_records_start with conditionally creating a optrecord_json_writer for the dump_context. 2018-11-19 Jakub Jelinek PR tree-optimization/88071 * tree-vect-loop.c (vectorize_fold_left_reduction): Pass true instead of false as last argument to gsi_remove. * tree-vect-stmts.c (vect_finish_replace_stmt): Pass true instead of false as last argument to gsi_replace. PR debug/87039 * omp-expand.c: Don't include debug.h. (adjust_context_and_scope): Add REGION argument. Find DECL_CONTEXT from innermost outer parallel, task, teams or target that has a child_fn set, or, if there is no such outer region, use current_function_decl. Do the DECL_CONTEXT adjustment regardless of whether a suitable BLOCK is found or not. (expand_parallel_call, expand_teams_call): Don't call adjust_context_and_scope here. (grid_expand_target_grid_body): Revert 2017-01-25 changes. (expand_omp_taskreg, expand_omp_target): Likewise. Call adjust_context_and_scope. * dwarf2out.c (dwarf2out_early_global_decl): For decl_function_context recurse instead of calling dwarf2out_decl. 2018-11-20 Eric Botcazou PR rtl-optimization/85925 * rtl.h (word_register_operation_p): New predicate. * combine.c (record_dead_and_set_regs_1): Only apply specific handling for WORD_REGISTER_OPERATIONS targets to word_register_operation_p RTX. * rtlanal.c (nonzero_bits1): Likewise. Adjust couple of comments. (num_sign_bit_copies1): Likewise. 2018-11-19 Richard Biener PR lto/87229 * tree.c (free_lang_data_in_one_sizepos): Free non-gimple-val sizepos values. 2018-11-19 Eric Botcazou * compare-elim.c (struct comparison): Add not_in_a field. (is_not): New static function. (strip_not): Likewise. (conforming_compare): Handle a NOT in the first operand. (can_eliminate_compare): Likewise. (find_comparison_dom_walker::before_dom_children): Likewise. (try_eliminate_compare): Likewise. * config/visium/visium.md (negsi2_insn_set_carry): Turn into... (neg2_insn_set_carry): ...this and add missing NEG operation. 2018-11-19 Jonathan Wakely * doc/extend.texi (Common Type Attributes): Fix typos. 2018-11-19 Martin Liska PR gcov-profile/88045 * coverage.c (coverage_begin_function): Add assert. 2018-11-18 Sandra Loosemore PR other/40498 * doc/extend.texi (Common Function Attributes): Document that no_instrument_function applies to -p and -pg, too. * doc/invoke.texi (Instrumentation Options): Add cross-references to docs for -p, -pg, and -finstrument-functions. 2018-11-18 Alan Modra * config/gnu-user.h (GNU_USER_TARGET_CRTI): Define. (GNU_USER_TARGET_STARTFILE_SPEC): Use it here. (GNU_USER_TARGET_CRTN): Define. (GNU_USER_TARGET_ENDFILE_SPEC): Use it here. (GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC): Define. 2018-11-18 Alan Modra * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Delete !HAVE_LD_PIE variant. (GNU_USER_TARGET_ENDFILE_SPEC): Likewise. 2018-11-17 Nick Clifton Sandra Loosemore PR driver/31357 * doc/invoke.texi (Overall Options): Document that --help and --help= options cannot be combined. 2018-11-17 Jim Wilson * config/riscv/riscv.c (epilogue_cfa_sp_offset): New. (riscv_restore_reg): If restoring HARD_FRAME_POINTER_REGNUM, and epilogue_cfa_sp_offset set, then add REG_CFA_DEF_CFA regnote. (riscv_expand_epilogue): Initialize epilogue_cfa_sp_offset. Set it to step2 if frame_pointer_needed and step1 is 0. 2018-11-17 Sandra Loosemore PR c++/4225 * doc/cpp.texi (System Headers): Add note about implicit extern "C" block on targets that define SYSTEM_IMPLICIT_EXTERN_C. 2018-11-17 Sandra Loosemore PR c++/4025 * doc/invoke.texi (C++ Dialect Options): Clarify usage of -fno-implicit-templates. 2018-11-17 Jakub Jelinek PR tree-optimization/87546 * tree-vect-patterns.c (vect_look_through_possible_promotion): Add min_precision variable, initially set it to orig_precision, only does something if op_type's precision is <= min_precision and update min_precision whenever calling set_op. 2018-11-16 Jan Hubicka PR ipa/87957 * ipa-devirt.c (warn_odr): Look for main variant to get TYPE_DECL. 2018-11-16 Sandra Loosemore * doc/invoke.texi (Option Summary): Fix whitespace and line breaks in @gccoptlist environments. (Warning Options): Likewise. (Optimize Options): Likewise. (PowerPC SPE Options): Likewise. (RS/6000 and PowerPC Options): Likewise. 2018-11-16 Jeff Law * config/mn10300/mn10300.md (adddi3_degenerate): Remove bogus gcc_assert. 2018-11-16 Sandra Loosemore PR middle-end/23197 * doc/invoke.texi (Optimize Options): Update options enabled by fprofile-generate, -fprofile-use, and -fauto-profile. 2018-11-16 Jozef Lawrynowicz PR target/87927 * target-def.h: Initialize TARGET_ASM_{,UN}ALIGNED_P{S,D,T}I_OP. Add them to the TARGET_ASM_{,UN}ALIGNED_INT_OP structs. * target.def: Enumerate TARGET_ASM_{,UN}ALIGNED_P{S,D,T}I_OP in the byte_op hook. * target.h: Add psi, pdi, pti to struct asm_int_op definition. * targhooks.c (default_print_patchable_function_entry): Assert asm_int_op does not return a NULL string. * varasm.c (integer_asm_op): Return the op for a partial int type when the requested size does not correspond to an integer type. * config/msp430/msp430.c: Initialize TARGET_ASM_{,UN}ALIGNED_PSI_OP. * doc/tm.texi: Regenerate. 2018-11-12 Jason Merrill * gimplify.c (gimplify_case_label_expr): Handle hot/cold attributes. 2018-11-16 Michael Meissner * config/rs6000/constraints.md (wF constraint): Remove power9 fusion documentation. Just document wF's use for power8 fusion. * config/rs6000/predicates.md (p9_fusion_reg_operand): Delete. (fusion_gpr_addis): Delete power9 fusion support. Change power8 fusion support to require the upper 12 bits to be all 0's or all 1's. (fusion_gpr_mem_load): Add comment. (fusion_addis_mem_combo_load): Remove power9 fusion support. (fusion_addis_mem_combo_store): Delete. (fusion_offsettable_mem_operand): Delete. * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Do not set power8 fusion here. (ISA_3_0_MASKS_SERVER): Delete power9 fusion. (POWERPC_MASKS): Delete power9 fusion. * config/rs6000/rs6000-protos.h (emit_fusion_load_store): Delete. (fusion_p9_p): Delete. (expand_fusion_p9_load): Delete. (expand_fusion_p9_store): Delete. (emit_fusion_p9_load): Delete. (emit_fusion_p9_store): Delete. * config/rs6000/rs6000.c (rs6000_debug_reg_global): Delete power9 fusion support. (rs6000_option_override_internal): Set power8 fusion based on whether we are tuning for power8. Delete power9 fusion support. (rs6000_opt_masks): Delete -mpower9-fusion switch. (emit_fusion_load): Rename emit_fusion_load_store to emit_fusion_load, and drop fusion store support. Update callers. (emit_fusion_load_store): Likewise. (emit_fusion_gpr_load): Likewise. (fusion_p9_p): Delete. (expand_fusion_p9_load): Delete. (expand_fusion_p9_store): Delete. (emit_fusion_p9_load): Delete. (emit_fusion_p9_store): Delete. * config/rs6000/rs6000.md (UNSPEC_FUSION_P9): Delete. (GPR_FUSION): Delete. (FPR_FUSION): Delete. (power9 fusion peephole2s): Delete. (fusion_gpr___load): Delete. (fusion_gpr___store): Delete. (fusion_vsx___load): Delete. (fusion_vsx___store): Delete. (fusion_p9__constant): Delete. * config/rs6000/rs6000.opt (-mpower9-fusion): Delete undocumented power9 fusion switch. * doc/md.texi (PowerPC constraints): Update wF constraint documentation for power8 fusion only. 2018-11-16 Jakub Jelinek PR rtl-optimization/87475 * cfgrtl.c (patch_jump_insn): Allow redirection failure for CROSSING_JUMP_P insns. (cfg_layout_redirect_edge_and_branch): Don't ICE if ret is NULL. 2018-11-16 Uros Bizjak PR target/88051 * config/i386/i386.md (floatunsdidf2): Allow only 64bit AVX512F targets. * config/i386/sse.md (UNSPEC_MOVDI_TO_SSE): New UNSPEC. (movdi_to_sse): Rewrite using UNSPEC_MOVDI_TO_SSE unspec. 2018-11-16 Jakub Jelinek PR middle-end/88032 * optabs.c (expand_binop): For op0_mode use GET_MODE (op0), unless it is VOIDmode, in which case use int_mode. Similarly for op1_mode. 2018-11-16 Eric Botcazou * tree-switch-conversion.h (switch_decision_tree::emit_case_nodes): Add location_t parameter. (switch_decision_tree::emit_cmp_and_jump_insns): Likewise. (switch_decision_tree::do_jump_if_equal): Likewise. * tree-switch-conversion.c (switch_decision_tree::emit): Pass location of switch statement to emit_case_nodes. (switch_decision_tree::emit_cmp_and_jump_insns): Add LOC parameter and set it on the newly built GIMPLE comparison statement. (switch_decision_tree::do_jump_if_equal): Likewise. (switch_decision_tree::emit_case_nodes): Add LOC parameter and pass it in calls to do_jump_if_equal as well as recursive calls. 2018-11-16 Andi Kleen * config/i386/i386.md: Allow memory operands to ptwrite. 2018-11-16 Michael Matz * system.h (PRsa): New macro. (SIZE_AMOUNT): Cast number to uint64_t. * alloc-pool.h (pool_usage::dump): Don't use %zu but PRsa. (pool_usage::dump_footer): Likewise and also use PRIu64. * bitmap.h (bitmap_usage::dump): Likewise. * ggc-common.c (ggc_usage::dump): Likewise. * ggc-page.c (ggc_print_statistics): Likewise. * input.c (dump_line_table_statistics): Likewise. * mem-stats.h (mem_usage::dump): Likewise. (mem_usage::dump_footer): Likewise. * rtl.c (dump_rtx_statistics): Likewise. * tree-cfg.c (dump_cfg_stats): Likewise. * tree-dfa.c (dump_dfa_stats): Likewise. * tree-phinodes.c (phinodes_print_statistics): Likewise. * tree-ssanames (ssanames_print_statistics): Likewise. * vec.c (vec_usage::dump): Likewise. (vec_usage::dump_footer): Likewise. 2018-11-16 Richard Biener PR tree-optimization/88011 * tree-vrp.c (extract_range_from_binary_expr): Fix error in replacing set_value_range_to_undefined and set_value_range_to_varying with method calls. 2018-11-16 Ilya Leoshkevich * config/s390/s390.md (*rsbg__srl_bitmask): Do not delegate arithmetic to assembler. (*rsbg__sll): Likewise. (*rsbg__srl): Likewise. (*rsbg_sidi_srl): New pattern. 2018-11-16 Jerome Lambourg * config/vxworks.h (TARGET_VXWORKS_HAVE_CTORS_DTORS): New macro. Default to TARGET_VXWORKS_RTP. (SUPPORTS_INIT_PRIORITY): Use TARGET_VXWORKS_HAVE_CTORS_DTORS instead of TARGET_VXWORKS_RTP. * config/vxworks.c: Use TARGET_VXWORKS_HAVE_CTORS_DTORS instead of TARGET_VXWORKS_RTP to set targetm.have_ctors_dtors. 2018-11-15 Sandra Loosemore PR c++/25759 * doc/extend.texi (Common Type Attributes): Make it explicit that attribute "packed" can apply to C++ classes. 2018-11-15 Martin Sebor PR c++/87541 PR c++/87542 * tree.c (type_argument_type): New function. * tree.h (type_argument_type): Declare it. * gcc/doc/extend.texi (alloc_align): Update and clarify. (alloc_size, nonnull, sentinel): Same. 2018-11-15 Andrew Stubbs Kwok Cheung Yeung * tree-vect-stmts.c (vectorizable_store): Don't ICE when int_mode_for_size fails. (vectorizable_load): Likewise. 2018-11-15 David Malcolm * doc/ux.texi (Group logically-related diagnostics): Move discussion of auto_diagnostic_group into this new subsection. Give an example of where this grouping is used. 2018-11-15 David Malcolm PR other/19165 * Makefile.in (OBJS): Move json.o to... (OBJS-libcommon): ...here and add diagnostic-format-json.o. * common.opt (fdiagnostics-format=): New option. (diagnostics_output_format): New enum. * diagnostic-format-json.cc: New file. * diagnostic.c (default_diagnostic_final_cb): New function, taken from start of diagnostic_finish. (diagnostic_initialize): Initialize final_cb to default_diagnostic_final_cb. (diagnostic_finish): Move "being treated as errors" messages to default_diagnostic_final_cb. Call any final_cb. (default_diagnostic_finalizer): Add diagnostic_t param. (diagnostic_report_diagnostic): Pass "orig_diag_kind" to diagnostic_finalizer callback. * diagnostic.h (enum diagnostics_output_format): New enum. (diagnostic_finalizer_fn): Reimplement, adding diagnostic_t param. (struct diagnostic_context): Add "final_cb". (default_diagnostic_finalizer): Add diagnostic_t param. (diagnostic_output_format_init): New decl. * doc/invoke.texi (-fdiagnostics-format): New option. * dwarf2out.c (gen_producer_string): Ignore OPT_fdiagnostics_format_. * gcc.c (driver_handle_option): Handle OPT_fdiagnostics_format_. * lto-wrapper.c (append_diag_options): Ignore it. * opts.c (common_handle_option): Handle it. 2018-11-15 David Malcolm PR tree-optimization/88015 * graphite-isl-ast-to-gimple.c (translate_isl_ast_to_gimple::scop_to_isl_ast): Add missing check for dump_enabled_p. * graphite-sese-to-poly.c (build_poly_scop): Likewise. 2018-11-15 Richard Biener PR middle-end/88029 * gimple.c (gimple_call_flags): Union flags from decl, type and call fntype. * trans-mem.c (is_tm_pure_call): Simplify. 2018-11-15 Richard Biener PR tree-optimization/88031 * tree-vect-loop.c (vectorizable_reduction): Move check for multiple types earlier so we get the expected dump. Simplify calls to vectorizable_condition. * tree-vect-stmts.h (vectorizable_condition): Update prototype. * tree-vect-stmts.c (vectorizable_condition): Instead of reduc_def and reduc_index take just a flag. Simplify code-generation now that we can rely on the defs being set up. (vectorizable_comparison): Remove unused argument. 2018-11-15 Richard Biener PR tree-optimization/88030 * tree-complex.c (need_eh_cleanup): New global. (update_complex_assignment): Mark blocks that need EH update. (expand_complex_comparison): Likewise. (tree_lower_complex): Allocate and deallocate need_eh_cleanup, perform EH cleanup and schedule CFG cleanup if that did anything. 2018-11-15 Jakub Jelinek PR rtl-optimization/88018 * cfgrtl.c (fixup_abnormal_edges): Guard moving insns to fallthru edge on the presence of fallthru edge, rather than if it is a USE or not. 2018-11-15 Richard Biener PR middle-end/87917 * tree-data-ref.c (analyze_miv_subscript): Guard calls to analyze_subscript_affine_affine properly. 2018-11-15 Xianmiao Qu * config/csky/csky-linux-elf.h (LINUX_DYNAMIC_LINKER): Remove. (GLIBC_DYNAMIC_LINKER): Define. (LINUX_TARGET_LINK_SPEC): Update the dynamic linker's name. 2018-11-15 Bin Cheng PR tree-optimization/84648 * tree-ssa-loop-niter.c (adjust_cond_for_loop_until_wrap): New. (number_of_iterations_cond): Adjust exit cond for loop-until-wrap case by calling adjust_cond_for_loop_until_wrap. 2018-11-15 Sandra Loosemore PR other/56334 * doc/extend.texi (Common Function Attributes): Clarify linker restrictions on "aligned" attribute. (Common Variable Attributes): Likewise. Mention that linker restrictions don't apply to stack-allocated variables. 2018-11-15 Joern Rennecke * gensupport.c (add_predicate_code): Properly handle ZERO_EXTRACT as an lvalue. 2018-11-14 Sandra Loosemore PR lto/55102 PR lto/56700 * doc/invoke.texi (Optimize Options): Remove bad example about interaction between -flto and -O. Replace it with a note that you need to compile with -O and not just link. Copy-edit -flto discussion to reduce verbiage and improve flow. 2018-11-14 Sandra Loosemore PR middle-end/59658 * doc/invoke.texi (Optimize Options): Clarify that -O0 and -Og also suppress many optimizations. Alphabetize option lists for -O1, -O2, and -Os. Add list of options disabled with -Og, and correct documentation for those options to say that. * opts.c (default_options_table): Sort table by level and option name, to make it easier to correlate to the manual. 2018-11-14 Uros Bizjak * config/i386/i386.c (ix86_print_operand_address_as): Simplify printing of the names of segment registers. 2018-11-14 Nathan Sidwell PR debug/88006 PR debug/87462 * dwarf2out.c (dwarf2out_finish): Apply resolve_addr to comdat type list. 2018-11-14 David Malcolm * Makefile.in (CFLAGS-optinfo-emit-json.o): Add $(ZLIBINC). 2018-11-14 Jakub Jelinek P1236R1 - Signed integers are two's complement * doc/invoke.texi (Wshift-overflow): Adjust documentation for c++2a. PR bootstrap/86739 * hash-map.h (hash_map::iterator::reference_pair): New class. (hash_map::iterator::operator*): Return it rather than std::pair. 2018-11-14 Jeff Law * optabs.c (expand_binop): Pass INT_MODE to operand_subword_force iff the operand is a constant. 2018-11-14 Aldy Hernandez * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::record_ranges_from_incoming_edge): Rename ignore_equivs_equal_p to equal_p. * ipa-cp.c (meet_with_1): Use equal_p instead of ignore_equivs_equal_p. * ipa-prop.c (ipa_vr_ggc_hash_traits::equal): Same. * tree-vrp.c (value_range::ignore_equivs_equal_p): Remove. (value_range::operator==): Remove. (value_range::operator!=): Remove. (vrp_prop::visit_stmt): Use equal_p. * tree-vrp.h (value_range): Remove operator==, operator!=, ignore_equivs_equal_p. * vr-values.c (update_value_range): Use equal_p. 2018-11-14 Michael Matz PR middle-end/86575 * gimplify.c (collect_fallthrough_labels): Add new argument, return location via that, don't modify statements. (warn_implicit_fallthrough_r): Adjust call, don't use statement location directly. 2018-11-14 Richard Biener PR middle-end/87985 * tree-data-ref.c (split_constant_offset): Add wrapper allocating a cache hash-map. (split_constant_offset_1): Cache results of expanding expressions from SSA def stmts. 2018-11-14 Richard Biener PR middle-end/88021 * tree-data-ref.c (lambda_matrix_row_add): Change const1 argument to lambda_int. (lambda_vector_mult_const): Likewise. (lambda_matrix_right_hermite): Use lambda_int temporaries. 2018-11-14 Wilco Dijkstra Jackson Woodruff PR 71026/tree-optimization * match.pd: Simplify floating point comparisons. 2018-11-14 Jakub Jelinek PR rtl-optimization/87817 * config/i386/i386.c (ix86_fold_builtin): For _bzhi_u{32,64} if last argument has low 8 bits clear, fold to 0. 2018-11-14 Iain Sandoe * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Cast MAX_OFILE_ALIGNMENT as needed. 2018-11-14 Richard Biener PR tree-optimization/88019 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Rewrite COND_EXPR arguments to non-trapping overflow. 2018-11-14 Claudiu Zissulescu * config/arc/arc.h (reg_class): Reorder registers classes, remove unused register classes. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (FIXED_REGISTERS): Make lp_count fixed. (BASE_REG_CLASS): Remove ACC16_BASE_REGS reference. (PROGRAM_COUNTER_REGNO): Remove. * config/arc/arc.c (arc_conditional_register_usage): Remove unused register classes, use constants for register numbers, remove reg_class_contents references. (arc_process_double_reg_moves): Add asserts. (arc_secondary_reload): Remove LPCOUNT_REG reference, use lra_in_progress predicate. (arc_init_reg_tables): Remove unused register classes. (arc_register_move_cost): Likewise. (arc_preferred_reload_class): Likewise. (hwloop_optimize): Update rtx patterns involving lp_count register. (arc_return_address_register): Rename ILINK1, INLINK2 regnums macros. * config/arc/constraints.md ("c"): Choose between GENERAL_REGS and CHEAP_CORE_REGS. Former one will be used for LRA. ("Rac"): Choose between GENERAL_REGS and ALL_CORE_REGS. Former one will be used for LRA. ("w"): Choose between GENERAL_REGS and WRITABLE_CORE_REGS. Former one will be used for LRA. ("W"): Choose between GENERAL_REGS and MPY_WRITABLE_CORE_REGS. Former one will be used for LRA. ("f"): Delete constraint. ("k"): Likewise. ("e"): Likewise. ("l"): Change it from register constraint to constraint. * config/arc/arc.md (movqi_insn): Remove unsed lp_count constraints. (movhi_insn): Likewise. (movsi_insn): Update pattern. (arc_lp): Likewise. (dbnz): Likewise. (stack_tie): Remove 'b' constraint letter. (R4_REG): Define. (R9_REG, R15_REG, R16_REG, R25_REG): Likewise. (R32_REG, R40_REG, R41_REG, R42_REG, R43_REG, R44_REG): Likewise. (R57_REG, R59_REG, PCL_REG): Likewise. (ILINK1_REGNUM): Renamed to ILINK1_REG. (ILINK2_REGNUM): Renamed to ILINK2_REG. (Rgp): Remove. (SP_REGS): Likewise. (Rcw): Remove unused reg classes. * config/arc/predicates.md (dest_reg_operand): Just default on register_operand predicate. (mpy_dest_reg_operand): Likewise. (move_dest_operand): Use macros instead of constants. * config/arc/arc.opt (mlra): Switch to lra as default. 2018-11-14 Richard Biener PR tree-optimization/87974 * tree-vect-loop.c (vectorizable_reduction): When computing the vectorized reduction PHI vector type ignore constant and external defs. 2018-11-14 Jakub Jelinek PR tree-optimization/87977 * tree-ssa-math-opts.c (optimize_recip_sqrt): Don't reuse division stmt, build a new one and replace the old one with it. Formatting fix. Call release_ssa_name (x) if !has_other_use and !delete_div. (pass_cse_reciprocals::execute): Before calling optimize_recip_sqrt verify lhs of stmt is still def. 2018-11-13 Peter Bergner PR rtl-optimization/87507 * lower-subreg.c (operand_for_swap_move_operator): New function. (simple_move): Strip simple operators. (find_pseudo_copy): Likewise. (resolve_operand_for_swap_move_operator): New function. (resolve_simple_move): Strip simple operators and swap operands. 2018-11-13 Jakub Jelinek PR tree-optimization/87898 * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Formatting fix. (ipa_simd_modify_function_body): Remove debug stmts where the first argument was changed into a non-decl. 2018-11-13 Peter Bergner PR rtl-optimization/87899 * lra-lives.c (start_living): Update white space in comment. (enum point_type): New. (sparseset_contains_pseudos_p): New function. (update_pseudo_point): Likewise. (make_hard_regno_live): Use HARD_REGISTER_NUM_P macro. (make_hard_regno_dead): Likewise. Remove ignore_reg_for_conflicts handling. Move early exit after adding conflicts. (mark_pseudo_live): Use HARD_REGISTER_NUM_P macro. Add early exit if regno is already live. Remove all handling of program points. (mark_pseudo_dead): Use HARD_REGISTER_NUM_P macro. Add early exit after adding conflicts. Remove all handling of program points and ignore_reg_for_conflicts. (mark_regno_live): Use HARD_REGISTER_NUM_P macro. Remove return value and do not guard call to mark_pseudo_live. (mark_regno_dead): Use HARD_REGISTER_NUM_P macro. Remove return value and do not guard call to mark_pseudo_dead. (check_pseudos_live_through_calls): Use HARD_REGISTER_NUM_P macro. (process_bb_lives): Use HARD_REGISTER_NUM_P and HARD_REGISTER_P macros. Use new function update_pseudo_point. Handle register copies by removing the source register from the live set. Handle INOUT operands. Update to the next program point using the unused_set, dead_set and start_dying sets. (lra_create_live_ranges_1): Use HARD_REGISTER_NUM_P macro. 2018-11-13 David Malcolm * builtins.c: Replace "source_location" with "location_t". * diagnostic-show-locus.c: Likewise. * diagnostic.c: Likewise. * dumpfile.c: Likewise. * gcc-rich-location.h: Likewise. * genmatch.c: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * input.c: Likewise. * input.h: Likewise. Eliminate the typedef. * omp-expand.c: Likewise. * selftest.h: Likewise. * substring-locations.h (get_source_location_for_substring): Rename to... (get_location_within_string): ...this. * tree-cfg.c: Replace "source_location" with "location_t". * tree-cfgcleanup.c: Likewise. * tree-diagnostic.c: Likewise. * tree-into-ssa.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-phinodes.c: Likewise. * tree-phinodes.h: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa.c: Likewise. * tree-ssa.h: Likewise. * tree-vect-loop-manip.c: Likewise. 2018-11-13 Michael Ploujnikov * doc/extend.texi: Fix typo in the weakref description. 2018-11-13 Richard Biener PR tree-optimization/86991 * tree-vect-loop.c (vect_is_slp_reduction): Delay reduction group building until we have successfully detected the SLP reduction. (vect_is_simple_reduction): Remove fixup code here. 2018-11-13 David Malcolm * dumpfile.c (VERIFY_DUMP_ENABLED_P): New macro. (dump_gimple_stmt): Use it. (dump_gimple_stmt_loc): Likewise. (dump_gimple_expr): Likewise. (dump_gimple_expr_loc): Likewise. (dump_generic_expr): Likewise. (dump_generic_expr_loc): Likewise. (dump_printf): Likewise. (dump_printf_loc): Likewise. (dump_dec): Likewise. (dump_dec): Likewise. (dump_hex): Likewise. (dump_symtab_node): Likewise. * gimple-loop-interchange.cc (tree_loop_interchange::interchange): Guard dump call with dump_enabled_p. * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise. * graphite-optimize-isl.c (optimize_isl): Likewise. * graphite.c (graphite_transform_loops): Likewise. * tree-loop-distribution.c (pass_loop_distribution::execute): Likewise. * tree-parloops.c (parallelize_loops): Likewise. * tree-ssa-loop-niter.c (number_of_iterations_exit): Likewise. * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise. (vect_prune_runtime_alias_test_list): Likewise. * tree-vect-loop.c (vect_update_vf_for_slp): Likewise. (vect_estimate_min_profitable_iters): Likewise. * tree-vect-slp.c (vect_record_max_nunits): Likewise. (vect_build_slp_tree_2): Likewise. (vect_supported_load_permutation_p): Likewise. (vect_slp_analyze_operations): Likewise. (vect_slp_analyze_bb_1): Likewise. (vect_slp_bb): Likewise. * tree-vect-stmts.c (vect_analyze_stmt): Likewise. * tree-vectorizer.c (try_vectorize_loop_1): Likewise. (pass_slp_vectorize::execute): Likewise. (increase_alignment): Likewise. 2018-11-13 David Malcolm PR ipa/87955 * ipa-inline.c (report_inline_failed_reason): Guard calls to cl_target_option_print_diff and cl_optimization_print_diff with if (dump_file). 2018-11-13 David Malcolm * doc/invoke.texi (-fsave-optimization-record): Note that the output is compressed. * optinfo-emit-json.cc: Include . (optrecord_json_writer::write): Compress the output. 2018-11-13 Aldy Hernandez * tree-vrp.c (value_range_base::dump): Dump type. Do not use INF nomenclature for 1-bit types. (dump_value_range): Group all variants to common dumping code. (debug): New overloaded functions for value_ranges. (value_range_base::dump): Remove no argument version. (value_range::dump): Same. 2018-11-13 Richard Biener PR tree-optimization/87931 * tree-vect-loop.c (vect_is_simple_reduction): Restrict nested cycles we support to latch computations vectorizable_reduction handles. 2018-11-13 Martin Liska PR tree-optimization/87885 * cfghooks.c (account_profile_record): Rename to ... (profile_record_check_consistency): ... this. Calculate missing num_mismatched_freq_in. (profile_record_account_profile): New function that calculates time and size of a function. * cfghooks.h (struct profile_record): Remove all tuples. (struct cfg_hooks): Remove after_pass flag. (account_profile_record): Rename to ... (profile_record_check_consistency): ... this. (profile_record_account_profile): New. * cfgrtl.c (rtl_account_profile_record): Remove after_pass flag. * passes.c (check_profile_consistency): Do only checking. (account_profile): Calculate size and time of function only. (pass_manager::dump_profile_report): Reformat output. (execute_one_ipa_transform_pass): Call consistency check before clean upand call account_profile after a clean up is done. (execute_one_pass): Call check_profile_consistency and account_profile instead of using after_pass flag.. * tree-cfg.c (gimple_account_profile_record): Likewise. 2018-11-13 Martin Liska PR sanitizer/87930 * config/i386/i386.c (ix86_option_override_internal): Error about usage -mabi=ms and -fsanitize={,kernel-}address. 2018-11-13 Andre Vieira * config/aarch64/aarch64.c (aarch64_vectorize_preferred_vector_alignment): Change return type to poly_uint64. (aarch64_simd_vector_alignment_reachable): Adapt to preferred vector alignment being a poly int. * doc/tm.texi (TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): Change return type to poly_uint64. * target.def (default_preferred_vector_alignment): Likewise. * targhooks.c (default_preferred_vector_alignment): Likewise. * targhooks.h (default_preferred_vector_alignment): Likewise. * tree-vect-data-refs.c (vect_calculate_target_alignment): Likewise. (vect_compute_data_ref_alignment): Adapt to vector alignment being a poly int. (vect_update_misalignment_for_peel): Likewise. (vect_enhance_data_refs_alignment): Likewise. (vect_find_same_alignment_drs): Likewise. (vect_duplicate_ssa_name_ptr_info): Likewise. (vect_setup_realignment): Likewise. (vect_can_force_dr_alignment_p): Change alignment parameter type to poly_uint64. * tree-vect-loop-manip.c (get_misalign_in_elems): Learn to construct a mask with a compile time variable vector alignment. (vect_gen_prolog_loop_niters): Adapt to vector alignment being a poly int. (vect_do_peeling): Exit early if vector alignment is not constant. * tree-vect-stmts.c (ensure_base_align): Adapt to vector alignment being a poly int. (vectorizable_store): Likewise. (vectorizable_load): Likweise. * tree-vectorizer.h (struct dr_vec_info): Make target_alignment field a poly_uint64. (vect_known_alignment_in_bytes): Adapt to vector alignment being a poly int. (vect_can_force_dr_alignment_p): Change alignment parameter type to poly_uint64. 2018-11-13 Richard Biener PR tree-optimization/87962 * tree-vect-loop.c (vect_is_simple_reduction): More reliably detect outer reduction for disqualifying in-loop uses. 2018-11-13 Richard Biener PR tree-optimization/87967 * tree-vect-loop.c (vect_transform_loop): Also copy PHIs for constants for the scalar loop. 2018-11-13 Alan Modra * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Exclude integer constants when -mcmodel=medium. 2018-11-13 Claudiu Zissulescu * config/arc/arc.h (FUNCTION_PROFILER): Redefine to empty. * config/arc/elf.h (PROFILE_HOOK): Define. * config/arc/linux.h (PROFILE_HOOK): Likewise. 2018-11-13 Claudiu Zissulescu * config/arc/arc.c (hwloop_optimize): Bailout when detecting a jump table data in the text section. 2018-11-13 Claudiu Zissulescu * config/arc/arc.c (arc_eh_return_address_location): Repurpose it to fit the eh_return pattern. * config/arc/arc.md (eh_return): Define. (VUNSPEC_ARC_EH_RETURN): Likewise. * config/arc/arc-protos.h (arc_eh_return_address_location): Match new implementation. * config/arc/arc.h (EH_RETURN_HANDLER_RTX): Remove it. 2018-11-13 Claudiu Zissulescu * common/config/arc/arc-common.c (arc_option_optimization_table): Millicode optimization is default on for size optimizations. * config/arc/arc-protos.h (arc_check_multi): New function. * config/arc/arc.c (RTX_OK_FOR_OFFSET_P): Rearange. (ENTER_LEAVE_START_REG): Define. (ENTER_LEAVE_END_REG): Likewise. (arc_override_options): Disable millicode when long calls option is on. (arc_frame_info): Change it from int to bool. (arc_compute_frame_size): Clean up. (arc_save_restore): Remove. (frame_save_reg): New function. (frame_restore_reg): Likewise. (arc_enter_leave_p): Likewise. (arc_save_callee_saves): Likewise. (arc_restore_callee_saves): Likewise. (arc_save_callee_enter): Likewise. (arc_restore_callee_leave): Likewise. (arc_save_callee_milli): Likewise. (arc_restore_callee_milli): Likewise. (arc_expand_prologue): Reimplement to emit enter/leave instructions. (arc_expand_epilogue): Likewise. (arc_check_multi): New function. * config/arc/arc.md (push_multi_fp): New pattern. (push_multi_fp_blink): Likewise. (pop_multi_fp): Likewise. (pop_multi_fp_blink): Likewise. (pop_multi_fp_ret): Likewise. (pop_multi_fp_blink_ret): Likewise. * config/arc/arc.opt (mmillicode): Update option. (mcode-density-frame): New option. * config/arc/predicates.md (push_multi_operand): New predicate. (pop_multi_operand): Likewise. * doc/invoke.texi (ARC): Update ARC options information. 2018-11-13 Claudiu Zissulescu * config/arc/arc-protos.h (gen_operands_ldd_std): Add. * config/arc/arc.c (operands_ok_ldd_std): New function. (mem_ok_for_ldd_std): Likewise. (gen_operands_ldd_std): Likewise. * config/arc/arc.md: Add peephole2 rules for std/ldd. 2018-11-13 Eric Botcazou * toplev.c (output_stack_usage): Turn test on flag_stack_usage into test on stack_usage_file. (lang_dependent_init): Do not open the .su file if generating LTO. 2018-11-13 Jakub Jelinek PR rtl-optimization/87918 * simplify-rtx.c (simplify_merge_mask): For COMPARISON_P, use simplify_gen_relational rather than simplify_gen_binary. 2018-11-13 Richard Biener * tree-ssanames.h (set_range_info): Use value_range_base. (get_range_info): Likewise. * tree-ssanames.c (set_range_info): Likewise. (get_range_info): Likewise. * tree-vrp.c (value_range_base::union_helper): Split out common parts of value_range[_base]::union_. (value_range_base::union_): Update. (value_range::union_): Likewise. (determine_value_range_1): Use value_range_base. (determine_value_range): Likewise. * tree-vrp.h (value_range_base::union_helper): Move ... (value_range::union_helper): ... from here. 2018-11-13 Alan Modra * config/rs6000/rs6000.c (rs6000_secondary_reload_inner): Negate offset for PRE_DEC. (rs6000_secondary_reload_gpr): Don't call find_replacement. 2018-11-13 Sandra Loosemore PR middle-end/59634 * doc/invoke.texi (Optimize Options): Clarify that the l1-cache-line-size, l1-cache-size, and l2-cache-size parameters apply to data cache size. 2018-11-13 Alan Modra * config/rs6000/predicates.md (logical_const_operand), (logical_operand): Correct comment. * config/rs6000/rs6000.c (rs6000_emit_prologue): Comment fix. 2018-11-13 Alan Modra * config/rs6000/rs6000.md (addsi3_high): Prefix with '*'. 2018-11-13 Alan Modra * gcc/doc/md.texi (Machine Constraints): Correct rs6000 h constraint description. * config/rs6000/rs6000.md (movsi_internal1): Delete MT%0 case covered by alternative. (movcc_internal1): Ignore h for register preference. (mov_hardfloat64): Likewise. (mov_softfloat): Ignore c, l, h for register preference. 2018-11-12 Sandra Loosemore PR preprocessor/47823 * doc/cpp.texi (Alternatives to Wrapper #ifndef): Move #pragma once documentation to... (Pragmas): ...here. * doc/extend.texi (Pragmas): Note additional pragmas documented in the CPP manual. 2018-11-13 Kugan Vivekanandarajah PR middle-end/86677 PR middle-end/87528 * tree-scalar-evolution.c (expression_expensive_p): Make BUILTIN POPCOUNT as expensive when backend does not define it. 2018-11-12 Fredrik Noring * config.gcc: Update with-llsc defaults for MIPS r5900. 2018-11-12 Martin Liska PR gcov-profile/87442 * common.opt: Add -fprofile-filter-files and -fprofile-exclude-files options. * doc/invoke.texi: Document them. * tree-profile.c (parse_profile_filter): New. (parse_profile_file_filtering): Likewise. (release_profile_file_filtering): Likewise. (include_source_file_for_profile): Likewise. (tree_profiling): Filter source files based on the newly added options. 2018-11-12 Martin Liska PR target/87903 * doc/extend.texi: Add missing values for __builtin_cpu_is and __builtin_cpu_supports for x86 target. 2018-11-12 Sandra Loosemore PR middle-end/21110 * doc/rtl.texi (Constants): Clarify that mode of "high" doesn't have to be Pmode. (Arithmetic): Likewise for "lo_sum". 2018-11-12 Renlin Li PR target/87815 * dse.c (get_stored_val): Add check for compile-time constantness of gap. 2018-11-12 Sudakshina Das * config/arm/arm-cpus.in (armv8_5, sb, predres): New features. (ARMv8_5a): New fgroup. (armv8.5-a): New arch. (armv8-a, armv8.1-a, armv8.2-a, armv8.3-a, armv8.4-a): New options sb and predres. * config/arm/arm-tables.opt: Regenerate. * config/arm/t-aprofile: Add matching rules for -march=armv8.5-a * config/arm/t-arm-elf (all_v8_archs): Add armv8.5-a. * config/arm/t-multilib (v8_5_a_simd_variants): New variable. Add matching rules for -march=armv8.5-a and extensions. * doc/invoke.texi (ARM options): Document -march=armv8.5-a. Add sb and predres to all armv8-a except armv8.5-a. 2018-11-12 Richard Biener * tree-vrp.h (value_range[_base]::set): Make public. Provide overload for single value. (value_range[_base]::set_nonnull): New. (value_range[_base]::set_null): Likewise. (value_range): Document bitmap copying behavior, mark copy constructor and assignment operator deleted. (value_range::move): New. (value_range::set_and_canonicalize): Default bitmap to zero. (set_value_range_to_nonnull): Remove. (set_value_range_to_null): Likewise. (set_value_range): Likewise. (set_value_range_to_value): Likewise. (extract_range_from_unary_expr): Work on value_range_base. (extract_range_from_binary_expr_1): Likewise. Rename to... (extract_range_from_binary_expr): ... this. * tree-vrp.c (value_range::update): Clear equiv bitmap if required. (value_range::move): New, move equiv bitmap. (value_range_base::set_undefined): Avoid assignment. (value_range::set_undefined): Likewise. (value_range_base::set_varying): Likewise. (value_range::set_varying): Likewise. (set_value_range): Remove. (value_range_base::set): New overload for value. (value_range::set): Likewise. (set_value_range_to_nonnull): Remove. (value_range_base::set_nonnull): New. (value_range::set_nonnull): Likewise. (set_value_range_to_null): Remove. (value_range_base::set_null): New. (value_range::set_null): Likewise. (range_is_null): Work on value_range_base. (range_is_nonnull): Likewise. (ranges_from_anti_range): Likewise. (extract_range_into_wide_ints): Likewise. (extract_range_from_multiplicative_op): Likewise. (extract_range_from_binary_expr): Likewise. Update for API changes. (extract_range_from_unary_expr): Likewise. Remove OBJ_TYPE_REF handling. (value_range::intersect_helper): Avoid copy and assignment. (value_range::union_helper): Likewise. (determine_value_range_1): Adjust. * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::try_find_new_range): Avoid assignment by using move. (evrp_range_analyzer::record_ranges_from_stmt): Avoid assignment. * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis): Likewise. * tree-ssanames.c (get_range_info): Likewise. * vr-values.h (vr_values::get_vr_for_comparison): Adjust API. * vr-values.c (vr_values::get_value_range): Adjust. (vr_values::update_value_range): Likewise. (symbolic_range_based_on_p): Work on value_range_base. (vr_values::extract_range_from_binary_expr): Use value_range_base. (vr_values::extract_range_from_unary_expr): Likewise. (vr_values::extract_range_from_cond_expr): Avoid assignment. (vr_values::extract_range_from_comparison): Adjust. (vr_values::check_for_binary_op_overflow): Use value_range_base. (vr_values::extract_range_basic): Adjust. (vr_values::adjust_range_with_scev): Likewise. (vr_values::vrp_visit_assignment_or_call): Likewise. (vr_values::get_vr_for_comparison): Change API to avoid assignment and copy construction. (vr_values::compare_name_with_value): Adjust accordingly. (vr_values::compare_names): Likewise. (vr_values::extract_range_from_phi_node): Avoid assignment and bogus in-place modify of equiv bitmap. (vr_values::simplify_bit_ops_using_ranges): Use value_range_base. * ipa-prop.c (ipa_compute_jump_functions_for_edge): Adjust for extract_range_from_unary_expr API change. * ipa-cp.c (ipa_vr_operation_and_type_effects): Likewise. 2018-11-12 Eric Botcazou * config/mcore/mcore.h (WORD_REGISTER_OPERATIONS): Remove duplicate. 2018-11-12 Richard Biener * tree-vrp.h (value_range_base::symbolic_p, value_range_base::constant_p, value_range_base::zero_p, value_range_base::singleton_p): Move from value_range. (value_range::dump): Add. * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::record_ranges_from_phis): Use set_varying. * ipa-cp.c (ipcp_vr_lattice::print): Use dump_value_range. * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis): Use set_varying. * tree-vrp.c (value_range::symbolic_p): Move to value_range_base. (value_range::constant_p): Likewise. (value_range::singleton_p): Likewise. (value_range_base::dump): Add. (set_value_range_to_undefined): Remove. (set_value_range_to_varying): Likewise. (range_int_cst_p): Take value_range_base argument. (range_int_cst_singleton_p): Likewise. (value_range_constant_singleton): Likewise. (vrp_set_zero_nonzero_bits): Likewise. (extract_range_from_multiplicative_op): Use set_varying. (extract_range_from_binary_expr_1): Likewise. Use set_undefined. (extract_range_from_unary_expr): Likewise. (dump_value_range_base): Change to overload of dump_value_range. (vrp_prop::vrp_initialize): Use set_varying and set_undefined. (vrp_prop::visit_stmt): Likewise. (value_range::intersect_helper): Likewise. (value_range::union_helper): Likewise. (determine_value_range_1): Likewise. 2018-11-12 Richard Biener * tree-vrp.c (set_value_range_to_nonnull): Clear equiv. (set_value_range_to_null): Likewise. * vr-values.c (vr_values::extract_range_from_comparison): Clear equiv for constant singleton ranges. 2018-11-12 Wei Xiao * config/i386/sse.md: Combine VFIXUPIMM* patterns (_fixupimm_maskz): Update. (_fixupimm): Update. (_fixupimm_mask): Remove. (avx512f_sfixupimm_maskz): Update. (avx512f_sfixupimm): Update. (avx512f_sfixupimm_mask): Remove. 2018-11-11 Sandra Loosemore PR c/69502 * doc/extend.texi (Common Type Attributes): For the align type attribute, copy language about decreasing alignment from the corresponding variable attribute. 2018-11-11 Xianmiao Qu * config/csky/csky.md (*fpuv2_nmulsf3_1, *fpuv2_nmuldf3_1): Handle -frounding-math. 2018-11-11 Sandra Loosemore PR c++/43105 * doc/invoke.texi (C++ Dialect Options): Add warning about mixing -frtti and -fno-rtti code. 2018-11-11 Sandra Loosemore PR c/26366 * doc/extend.texi (Other Builtins): Document probability associated with __builtin_expect. 2018-11-11 Uros Bizjak PR target/87928 * config/i386/i386.h (STACK_BOUNDARY): Use TARGET_64BIT_MS_ABI instead of (TARGET_64BIT && ix86_abi == MS_ABI). * config/i386/darwin.h (STACK_BOUNDARY): Ditto. * config/i386/cygming.h (STACK_BOUNDARY): Remove. 2018-11-11 Xianmiao Qu * config/csky/csky-linux-elf.h (CC1_SPEC): Support -profile. 2018-11-11 Xianmiao Qu * config/csky/csky.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. 2018-11-11 Richard Biener * tree-vrp.h (class value_range_base): New base class for value_range containing all but the m_equiv member. (dump_value_range_base): Add. (range_includes_zero_p): Work on value_range_base. * tree-vrp.c (value_range_base::set): Split out base handling from... (value_range::set): this. (value_range::set_equiv): New. (value_range_base::value_range_base): New constructors. (value_range_base::check): Split out base handling from... (value_range::check): this. (value_range::equal_p): Refactor in terms of ignore_equivs_equal_p which is now member of the base. (value_range_base::set_undefined): New. (value_range_base::set_varying): Likewise. (value_range_base::dump):Split out base handling from... (value_range::dump): this. (value_range_base::set_and_canonicalize): Split out base handling from... (value_range::set_and_canonicalize): this. (value_range_base::union_): New. * ipa-prop.h (struct ipa_jump_func): Use value_range_base * for m_vr. * ipa-cp.c (class ipcp_vr_lattice): Use value_range_base instead of value_range everywhere. (ipcp_vr_lattice::print): Use dump_value_range_base. (ipcp_vr_lattice::meet_with): Adjust. (ipcp_vr_lattice::meet_with_1): Likewise. (ipa_vr_operation_and_type_effects): Likewise. (propagate_vr_across_jump_function): Likewise. * ipa-prop.c (struct ipa_vr_ggc_hash_traits): Likewise. (ipa_get_value_range): Likewise. (ipa_set_jfunc_vr): Likewise. (ipa_compute_jump_functions_for_edge): Likewise. 2018-11-10 Sandra Loosemore PR middle-end/65703 * doc/invoke.texi (Optimize Options): Add @opindex entries for the positive forms of -fno-xxx and -mno-xxx options that were lacking them. 2018-11-10 Segher Boessenkool * combine.c (make_more_copies): Only make an intermediate copy if the dest of a move is a pseudo. 2018-11-09 Maya Rashish PR target/87221 * config/netbsd-elf.h (NETBSD_STARTFILE_SPEC): Use crtbeginS.o for PIE. (NETBSD_ENDFILE_SPEC): Use crtendS.o for PIE. 2018-11-09 Sandra Loosemore PR driver/41179 PR middle-end/65703 * doc/invoke.texi (Optimize Options): Clarify default behavior for -fno-toplevel-reorder, -fno-defer-pop, and -fno-branch-count-reg. 2018-11-09 Bernd Edlinger PR tree-optimization/87940 * expr.c (string_constant): Don't strip NOPS in subexpressions. Fold PLUS_EXPR correctly. 2018-11-09 Ilya Leoshkevich PR target/87762 * config/s390/s390.c (s390_safe_relative_long_p): New function. (annotate_constant_pool_refs): Skip insns which support relative addressing. (annotate_constant_pool_refs_1): New helper function. (find_constant_pool_ref): Skip insns which support relative addression. (find_constant_pool_ref_1): New helper function. (replace_constant_pool_ref): Skip insns which support relative addressing. (replace_constant_pool_ref_1): New helper function. (s390_mainpool_start): Adapt to the new signature. (s390_mainpool_finish): Likewise. (s390_chunkify_start): Likewise. (s390_chunkify_finish): Likewise. (pass_s390_early_mach::execute): Likewise. (s390_prologue_plus_offset): Likewise. (s390_emit_prologue): Likewise. (s390_emit_epilogue): Likewise. 2018-11-09 Jakub Jelinek * gimplify.c (gimplify_scan_omp_clauses): Call sorry_at for valid but unsupported lastprivate with conditional modifier. 2018-11-09 Jeff Law * config/mips/mips.c (mips_loongson_ext2_prefetch_cookie): Handle unused argument better. Add gcc_unreachable to silence warning. 2018-11-09 Martin Sebor PR middle-end/81824 * attribs.c (has_attribute): New helper function. (decls_mismatched_attributes, maybe_diag_alias_attributes): Same. * attribs.h (decls_mismatched_attributes): Declare. * cgraphunit.c (handle_alias_pairs): Call maybe_diag_alias_attributes. (maybe_diag_incompatible_alias): Use OPT_Wattribute_alias_. * common.opt (-Wattribute-alias): Take an argument. (-Wno-attribute-alias): New option. * doc/extend.texi (Common Function Attributes): Document copy. (Common Variable Attributes): Same. * doc/invoke.texi (-Wmissing-attributes): Document enhancement. (-Wattribute-alias): Document new option argument. 2018-11-09 Richard Earnshaw * config/arm/parsecpu.awk (/alias/): Tighten invisible alias matching criteria. Remove unused array initializer. 2018-11-09 Bill Schmidt Jinsong Ji * config/rs6000/xmmintrin.h (_mm_cvtss_si32): Fix incorrect constraints by introducing a new temporary. (_mm_cvtss_si64): Likewise. 2018-11-09 Martin Liska * common.opt: Add -fipa-stack-alignment flag. * doc/invoke.texi: Document it. * final.c (rest_of_clean_state): Guard stack shrinking with flag. 2018-11-09 Martin Liska * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Rename to ... (ipa_discover_variable_flags): ... this. * common.opt: Come up with new flag -fipa-reference-addressable. * doc/invoke.texi: Document it. * ipa-reference.c (propagate): Call the renamed fn. * ipa-visibility.c (whole_program_function_and_variable_visibility): Likewise. * ipa.c (ipa_discover_readonly_nonaddressable_vars): Renamed to ... (ipa_discover_variable_flags): ... this. Discover non-addressable variables only with the newly added flag. * opts.c: Enable the newly added flag with -O1 and higher optimization level. 2018-11-09 David Malcolm * json.cc (selftest::test_writing_literals): Fix comment. 2018-11-09 Martin Liska * config/aarch64/aarch64.c (aarch64_parse_arch): Do not copy string to a stack buffer. (aarch64_parse_cpu): Likewise. (aarch64_parse_tune): Likewise. 2018-11-09 Richard Biener PR tree-optimization/87953 * tree-vect-loop.c (vectorizable_reduction): For analysis always pass ops[0] to vectorizable_condition. 2018-11-09 Stafford Horne Richard Henderson Joel Sherrill * common/config/or1k/or1k-common.c: New file. * config/or1k/*: New. * config.gcc (or1k*-*-*): New. * configure.ac (or1k*-*-*): New test for openrisc tls. * configure: Regenerated. * doc/install.texi: Document OpenRISC triplets. * doc/invoke.texi: Document OpenRISC arguments. * doc/md.texi: Document OpenRISC. 2018-11-09 Richard Earnshaw * config/arm/arm-cpus.in (arm7tdmi): Add an alias for arm7tdmi-s. (arm7tdmi-s): Delete CPU. (arm710t): Add aliases for arm720t and arm740t. (arm720t, arm740t): Delete CPUs. (arm920t): Add aliases for arm920, arm922t and arm940t. (arm920, arm922t, arm940t): Delete CPUs. (arm10tdmi): Add alias for arm1020t. (arm1020t): Delete CPU. (arm9e): Add aliases for arm946e-s, arm966e-s and arm968e-s. (arm946e-s, arm966e-s, arm968e-s): Delete CPUs. (arm10e): Add aliases for arm1020e and arm1022e. (arm1020e, arm1022e): Delete CPU. * config/arm/arm.md (generic_sched): Remove entries that are now handled by aliases. (generic_vfp): Likewise. * config/arm/arm1020e.md: Simplify tuning selection based on alias changes. * config/arm/arm-tune.md: Regenerated. * config/arm/arm-tables.opt: Regenerated. 2018-11-09 Richard Biener PR tree-optimization/87621 * tree-vect-loop.c (vectorizable_reduction): Handle reduction op with only phi inputs. * tree-ssa-loop-ch.c: Include tree-ssa-sccvn.h. (ch_base::copy_headers): Run CSE on copied loop headers. (pass_ch_vect::process_loop_p): Simplify. 2018-11-09 Alexandre Oliva * config/i386/mingw32.h (LINK_SPEC_LARGE_ADDR_AWARE): Adjust for non-w64 x86_64 biarch. 2018-11-09 Alexandre Oliva PR rtl-optimization/86438 * compare-elim.c (try_eliminate_compare): Use SET_SRC instead of in_b for the compare if in_b is SET_DEST. PR target/87793 * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Reject non-toplevel UNSPEC. 2018-11-08 Aldy Hernandez * tree-vrp.c (value_range::check): Do not access internals directly. (value_range::singleton_p): Same. (value_range::type): Same. (vrp_finalize): Use value_range API. 2018-11-08 Aldy Hernandez * tree-vrp.c (may_contain_p): Do not access m_min/m_max directly. 2018-11-08 Aldy Hernandez * vr-values.c (vr_values::get_value_range): Use value_range API instead of piecing together ranges. (vr_values::update_value_range): Same. 2018-11-08 Aldy Hernandez * gimple-fold.c (size_must_be_zero_p): Use value_range API instead of performing ad-hoc calculations. * tree-ssanames.c (set_range_info): New overloaded function accepting value_range &. (get_range_info): Same. * tree-ssanames.h (set_range_info_raw): Remove. (set_range_info): New prototype. (get_range_info): Same. * tree-vrp.h (value_range::null_p): Rename to zero_p. * tree-vrp.c (value_range::null_p): Same. 2018-11-09 Jan Hubicka * tree.c (fld_type_variant_equal_p): Test user align flag. (flt_type_variant): Copy user align flag. (fld_incomplete_type_of): Clear it. 2018-11-09 Prathamesh Kulkarni * config/arm/neon.md (div3): New pattern. 2018-11-08 Andi Kleen * common/config/i386/i386-common.c (OPTION_MASK_ISA_PTWRITE_SET): New. (OPTION_MASK_ISA_PTWRITE_UNSET): New. (ix86_handle_option): Handle OPT_mptwrite. * config/i386/cpuid.h (bit_PTWRITE): Add. * config/i386/driver-i386.c (host_detect_local_cpu): Detect ptwrite. * config/i386/i386-builtin.def (BDESC): Add ptwrite32/64. * config/i386/i386-c.c (ix86_target_macros_internal): Define __PTWRITE__. * config/i386/i386.c (ix86_target_string): Handle ptwrite. (ix86_option_override_internal): Handle PTA_PTWRITE. (ix86_valid_target_attribute_inner_p): Define ptwrite. (def_builtin2): Force UINT64 to be 64bit only. * config/i386/i386.h (TARGET_PTWRITE): Add. (TARGET_PTWRITE_P): Add. (PTA_PTWRITE): Add. * config/i386/i386.md: Define ptwrite. * config/i386/i386.opt: Add -mptwrite. * config/i386/immintrin.h (_ptwrite64): Add. (_ptwrite32): Add * doc/extend.texi: Document __builtin_ia32_ptwrite*. * doc/invoke.texi: Document -mptwrite. 2018-11-08 Peter Bergner PR rtl-optimization/87600 * cfgexpand.c (expand_asm_stmt): Catch illegal asm constraint usage. * lra-constraints.c (process_alt_operands): Skip illegal hard register usage. Prefer reloading non hard register operands. 2018-11-08 Sandra Loosemore PR other/36572 * doc/invoke.texi (Optimize Options): Clarify default behavior for -fno-sched-interblock and -fno-sched-spec. 2018-11-08 Roman Geissler * collect2.c (linker_select): Add USE_LLD_LD. (ld_suffixes): Add ld.lld. (main): Handle -fuse-ld=lld. * common.opt (-fuse-ld=lld): New option. * doc/invoke.texi (-fuse-ld=lld): Document. * opts.c (common_handle_option): Handle OPT_fuse_ld_lld. 2018-11-08 Paul Koning * config/pdp11/constraints.md: Add "Z" series constraints for use with pre-dec and post-inc addressing. * config/pdp11/pdp11-protos.m (expand_block_move): Delete. (pdp11_expand_operands): Add int argument (word count). (pdp11_sp_frame_offset): Delete. (pdp11_cmp_length): New function. (pushpop_regeq): New function. * config/pdp11/pdp11.c (TARGET_STACK_PROTECT_RUNTIME_ENABLED_P): Add hook. (pdp11_expand_prologue, pdp11_expand_epilogue): Rewrite for new frame layout. (pdp11_initial_elimination_offset): Ditto. (pdp11_expand_operands): Add word count argument. Bugfixes. (output_move_multiple): Change how pointer adjustment is done. (pdp11_gen_int_label): Correct format. (output_ascii): Ditto. (pdp11_asm_output_var): Add code for DEC assembler case. (pdp11_asm_print_operand): Bugfix for CONST_DOUBLE holding integer value. (legitimate_const_double_p): Ditto. (pdp11_register_move_cost): Adjust for new register classes. (pdp11_regno_reg_class): Ditto. (expand_block_move): Delete. (pushpop_regeq): New function. (pdp11_legitimate_address_p): Bugfix in check for constant offset. (pdp11_sp_frame_offset): Delete. (pdp11_reg_save_size): New helper function for new frame layout. (output_addr_const_pdp11): Remove CONST_DOUBLE case. (pdp11_expand_shift): Bugfix in check for constant shift count. (pdp11_shift_length): Ditto. (pdp11_assemble_shift): Copy input to pdp11_expand_operands. (pdp11_cmp_length): New function. * config/pdp11/pdp11.h (TARGET_CPU_CPP_BUILTINS): Add macros for some compile options. (FIXED_REGISTERS): Remove HARD_FRAME_POINTER_REGNUM. (CALL_USED_REGISTERS): Ditto. (ELIMINABLE_REGS): Ditto. (REGISTER_NAMES): Ditto. (reg_class): Add classes NOTR0_REG through NOTSP_REG for use by Z constraints. (REG_CLASS_NAMES): Ditto. (REG_CLASS_CONTENTS): Ditto. Also remove HARD_FRAME_POINTER_REGNUM. (CPU_REG_CLASS): New macro. (CLASS_MAX_NREGS): Adjust for new register classes. (FUNCTION_PROFILER): Make no-op. (may_call_alloca): Remove unused declaration. (ASM_OUTPUT_ALIGN): Add workaround for PR87795. (ASM_OUTPUT_SKIP): Fix format. * config/pdp11/pdp11.md (unspecv): Add UNSPECV_MOVMEM. (HARD_FRAME_POINTER_REGNUM): Remove. (return): Delete. (*rts): Rename. Remove epilogue related checks. (cmpsi, cmpdi): New insn. (cbranch4): Change to apply to SI and DI modes as well. (mov): Change constraints to enforce that push/pop destination cannot use the same register as source. (*mov): Ditto. (movmemhi, movmemhi1, movmemhi_nocc): Change to expand block move at assembly output rather than as RTL expander. (zero_extendqihi2): Bugfix in check for same registers. (adddi3_nocc): Bugfix in check for constant operand. (addsi3_nocc): Ditto. (subdi3_nocc): Ditto. (subsi3_nocc): Ditto. (negdi2_nocc): Copy input to pdp11_expand_operands. (negsi2_nocc): Ditto. (bswap2_nocc): Ditto. * config/pdp11/pdp11.opt (mlra): Fix documentation. * config/pdp11/t-pdp11: Use -Os. 2018-11-08 Richard Earnshaw * config/arm/parsecpu.awk (/alias/): New parsing rule. (/begin cpu/): Check that the cpu name hasn't been previously defined. (gen_comm_data): Print out CPU alias tables. (check_cpu): Match aliases when checking the CPU name. * config/arm/arm-protos.h (cpu_alias): New structure. (cpu_option): Add entry for aliases. * config/arm/arm-cpus.in (strongarm): Add aliases for strongarm110 strongarm1100 and strongarm1110. (strongarm110, strongarm1100, strongarm1110): Delete CPU entries. (config/arm/arm-generic.md): Remove redundant references to strongarm110, strongarm1100 and strongarm1110. * common/config/arm/arm-common.c (arm_print_hint_for_cpu_option): Scan aliases for additional hints. (arm_parse_cpu_option_name): Also match a cpu name against the list of aliases. * config/arm/arm-tables.opt: Regenerated. * config/arm/arm-tune.md: Regenerated. 2018-11-08 Jakub Jelinek * builtin-types.def (BT_FN_VOID_BOOL, BT_FN_VOID_SIZE_SIZE_PTR, BT_FN_UINT_UINT_PTR_PTR, BT_FN_UINT_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_UINT_LONGPTR_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR, BT_FN_BOOL_UINT_ULLPTR_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR): New. * gengtype.c (open_base_files): Add omp-general.h. * gimple.c (gimple_build_omp_critical): (gimple_build_omp_taskgroup): Add CLAUSES argument. Call gimple_omp_taskgroup_set_clauses. (gimple_build_omp_atomic_load): Add mo argument, call gimple_omp_atomic_set_memory_order. (gimple_build_omp_atomic_store): Likewise. (gimple_copy): Adjust handling of GIMPLE_OMP_TASKGROUP. * gimple.def (GIMPLE_OMP_TASKGROUP): Use GSS_OMP_SINGLE_LAYOUT instead of GSS_OMP. (GIMPLE_OMP_TEAMS): Use GSS_OMP_PARALLEL_LAYOUT instead of GSS_OMP_SINGLE_LAYOUT, adjust comments. * gimple.h (enum gf_mask): Add GF_OMP_TEAMS_HOST, GF_OMP_TASK_TASKWAIT and GF_OMP_ATOMIC_MEMORY_ORDER. Remove GF_OMP_ATOMIC_SEQ_CST, use different value for GF_OMP_ATOMIC_NEED_VALUE. (struct gimple_statement_omp_taskreg): Add GIMPLE_OMP_TEAMS to comments. (struct gimple_statement_omp_single_layout): And remove here. (struct gomp_teams): Inherit from gimple_statement_omp_taskreg rather than gimple_statement_omp_single_layout. (is_a_helper ::test): Allow GIMPLE_OMP_TEAMS. (is_a_helper ::test): Likewise. (gimple_omp_subcode): Formatting fix. (gimple_omp_teams_child_fn, gimple_omp_teams_child_fn_ptr, gimple_omp_teams_set_child_fn, gimple_omp_teams_data_arg, gimple_omp_teams_data_arg_ptr, gimple_omp_teams_set_data_arg, gimple_omp_teams_host, gimple_omp_teams_set_host, gimple_omp_task_taskwait_p, gimple_omp_task_set_taskwait_p, gimple_omp_taskgroup_clauses, gimple_omp_taskgroup_clauses_ptr, gimple_omp_taskgroup_set_clauses): New inline functions. (gimple_build_omp_atomic_load): Add enum omp_memory_order argument. (gimple_build_omp_atomic_store): Likewise. (gimple_omp_atomic_seq_cst_p): Remove. (gimple_omp_atomic_memory_order): New function. (gimple_omp_atomic_set_seq_cst): Remove. (gimple_omp_atomic_set_memory_order): New function. (gimple_build_omp_taskgroup): Add clauses argument. * gimple-pretty-print.c (dump_gimple_omp_taskgroup): New function. (dump_gimple_omp_task): Print taskwait with depend clauses. (dump_gimple_omp_atomic_load, dump_gimple_omp_atomic_store): Use dump_omp_atomic_memory_order. (pp_gimple_stmt_1): Handle GIMPLE_OMP_TASKGROUP. * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_ALLOC_ONLY, GOVD_MAP_FROM_ONLY and GOVD_NONTEMPORAL. (enum omp_region_type): Reserve bits 1 and 2 for auxiliary flags, renumber values of most of ORT_* enumerators, add ORT_HOST_TEAMS, ORT_COMBINED_HOST_TEAMS, ORT_TASKGROUP, ORT_TASKLOOP and ORT_UNTIED_TASKLOOP enumerators. (enum gimplify_defaultmap_kind): New. (struct gimplify_omp_ctx): Remove target_map_scalars_firstprivate and target_map_pointers_as_0len_arrays members, add defaultmap. (new_omp_context): Initialize defaultmap member. (gimple_add_tmp_var): Handle ORT_TASKGROUP like ORT_WORKSHARE. (maybe_fold_stmt): Don't fold even in host teams regions. (omp_firstprivatize_variable): Handle ORT_TASKGROUP like ORT_WORKSHARE. Test ctx->defaultmap[GDMK_SCALAR] instead of ctx->omp_firstprivatize_variable. (omp_add_variable): Don't add private/firstprivate for VLAs in ORT_TASKGROUP. (omp_default_clause): Print "taskloop" rather than "task" if ORT_*TASKLOOP. (omp_notice_variable): Handle ORT_TASKGROUP like ORT_WORKSHARE. Handle new defaultmap clause kinds. (omp_is_private): Handle ORT_TASKGROUP like ORT_WORKSHARE. Allow simd iterator to be lastprivate or private. Fix up diagnostics if linear is used on collapse>1 simd iterator. (omp_check_private): Handle ORT_TASKGROUP like ORT_WORKSHARE. (gimplify_omp_depend): New function. (gimplify_scan_omp_clauses): Add shared clause on parallel for combined parallel master taskloop{, simd} if taskloop has firstprivate, lastprivate or reduction clause. Handle OMP_CLAUSE_REDUCTION_TASK diagnostics. Adjust tests for ORT_COMBINED_TEAMS. Gimplify depend clauses with iterators. Handle cancel and simd OMP_CLAUSE_IF_MODIFIERs. Handle OMP_CLAUSE_NONTEMPORAL. Handle new defaultmap clause kinds. Handle OMP_CLAUSE_{TASK,IN}_REDUCTION. Diagnose invalid conditional lastprivate. (gimplify_adjust_omp_clauses_1): Ignore GOVD_NONTEMPORAL. Handle GOVD_MAP_ALLOC_ONLY and GOVD_MAP_FROM_ONLY. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_NONTEMPORAL. Handle OMP_CLAUSE_{TASK,IN}_REDUCTION. (gimplify_omp_task): Handle taskwait with depend clauses. (gimplify_omp_for): Add shared clause on parallel for combined parallel master taskloop{, simd} if taskloop has firstprivate, lastprivate or reduction clause. Use ORT_TASKLOOP or ORT_UNTIED_TASKLOOP instead of ORT_TASK or ORT_UNTIED_TASK. Adjust tests for ORT_COMBINED_TEAMS. Handle C++ range for loops with NULL TREE_PURPOSE in OMP_FOR_ORIG_DECLS. Firstprivatize __for_end and __for_range temporaries on OMP_PARALLEL for distribute parallel for{, simd}. Move OMP_CLAUSE_REDUCTION and OMP_CLAUSE_IN_REDUCTION from taskloop to the task construct sandwiched in between two taskloops. (computable_teams_clause): Test ctx->defaultmap[GDMK_SCALAR] instead of ctx->omp_firstprivatize_variable. (gimplify_omp_workshare): Set ort to ORT_HOST_TEAMS or ORT_COMBINED_HOST_TEAMS if not inside of target construct. If host teams, use gimplify_and_return_first etc. for body like for target or target data constructs, and at the end call gimple_omp_teams_set_host on the GIMPLE_OMP_TEAMS object. (gimplify_omp_atomic): Use OMP_ATOMIC_MEMORY_ORDER instead of OMP_ATOMIC_SEQ_CST, pass it as new argument to gimple_build_omp_atomic_load and gimple_build_omp_atomic_store, remove gimple_omp_atomic_set_seq_cst calls. (gimplify_expr) : Move handling into a separate case, handle taskgroup clauses. * lto-streamer-out.c (hash_tree): Handle OMP_CLAUSE_{TASK,IN}_REDUCTION. * Makefile.in (GTFILES): Add omp-general.h. * omp-builtins.def (BUILT_IN_GOMP_TASKWAIT_DEPEND, BUILT_IN_GOMP_LOOP_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_LOOP_START, BUILT_IN_GOMP_LOOP_ORDERED_START, BUILT_IN_GOMP_LOOP_DOACROSS_START, BUILT_IN_GOMP_LOOP_NONMONOTONIC_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_START, BUILT_IN_GOMP_LOOP_ULL_DOACROSS_START, BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_NEXT, BUILT_IN_GOMP_PARALLEL_LOOP_NONMONOTONIC_RUNTIME, BUILT_IN_GOMP_PARALLEL_LOOP_MAYBE_NONMONOTONIC_RUNTIME, BUILT_IN_GOMP_PARALLEL_REDUCTIONS, BUILT_IN_GOMP_SECTIONS2_START, BUILT_IN_GOMP_TEAMS_REG, BUILT_IN_GOMP_TASKGROUP_REDUCTION_REGISTER, BUILT_IN_GOMP_TASKGROUP_REDUCTION_UNREGISTER, BUILT_IN_GOMP_TASK_REDUCTION_REMAP, BUILT_IN_GOMP_WORKSHARE_TASK_REDUCTION_UNREGISTER): New builtins. * omp-expand.c (workshare_safe_to_combine_p): Return false for non-worksharing loops. (omp_adjust_chunk_size): Don't adjust anything if chunk_size is zero. (determine_parallel_type): Don't combine parallel with worksharing which has _reductemp_ clause. (expand_parallel_call): Emit the GOMP_*nonmonotonic_runtime* or GOMP_*maybe_nonmonotonic_runtime* builtins instead of GOMP_*runtime* if there is nonmonotonic modifier or if there is no modifier and no ordered clause. For dynamic and guided schedule without monotonic and nonmonotonic modifier, default to nonmonotonic. (expand_omp_for): Likewise. Adjust expand_omp_for_generic caller, use GOMP_loop{,_ull}{,_ordered,_doacross}_start builtins if there are task reductions. (expand_task_call): Add GOMP_TASK_FLAG_REDUCTION flag to flags if there are any reduction clauses. (expand_taskwait_call): New function. (expand_teams_call): New function. (expand_omp_taskreg): Allow GIMPLE_OMP_TEAMS and call expand_teams_call for it. Formatting fix. Handle taskwait with depend clauses. (expand_omp_for_generic): Add SCHED_ARG argument. Handle expansion of worksharing loops with task reductions. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle expansion of worksharing loops with task reductions. (expand_omp_sections): Handle expansion of sections with task reductions. (expand_omp_synch): For host teams call expand_omp_taskreg. (omp_memory_order_to_memmodel): New function. (expand_omp_atomic_load, expand_omp_atomic_store, expand_omp_atomic_fetch_op): Use it and gimple_omp_atomic_memory_order instead of gimple_omp_atomic_seq_cst_p. (build_omp_regions_1, omp_make_gimple_edges): Treat taskwait with depend clauses as a standalone directive. * omp-general.c (enum omp_requires): New variable. (omp_extract_for_data): Initialize have_reductemp member. Allow NE_EXPR even in OpenMP loops, transform them into LT_EXPR or GT_EXPR loops depending on incr sign. Formatting fixes. * omp-general.h (struct omp_for_data): Add have_reductemp member. (enum omp_requires): New enum. (omp_requires_mask): Declare. * omp-grid.c (grid_eliminate_combined_simd_part): Formatting fix. Fix comment typos. * omp-low.c (struct omp_context): Add task_reductions and task_reduction_map fields. (is_host_teams_ctx): New function. (is_taskreg_ctx): Return true also if is_host_teams_ctx. (use_pointer_for_field): Use is_global_var instead of TREE_STATIC || DECL_EXTERNAL, and apply only if not privatized in outer contexts. (build_outer_var_ref): Ignore taskgroup outer contexts. (delete_omp_context): Release task_reductions and task_reduction_map. (scan_sharing_clauses): Don't add any fields for reduction clause on taskloop. Handle OMP_CLAUSE__REDUCTEMP_. Handle OMP_CLAUSE_{IN,TASK}_REDUCTION and OMP_CLAUSE_REDUCTION with task modifier. Don't ignore shared clauses in is_host_teams_ctx contexts. Handle OMP_CLAUSE_NONTEMPORAL. (add_taskreg_looptemp_clauses): Add OMP_CLAUSE__REDUCTEMP_ clause if needed. (scan_omp_parallel): Add _reductemp_ clause if there are any reduction clauses with task modifier. (scan_omp_task): Handle taskwait with depend clauses. (finish_taskreg_scan): Move field corresponding to _reductemp_ clause first. Move also OMP_CLAUSE__REDUCTEMP_ clause in front if present. Handle GIMPLE_OMP_TEAMS like GIMPLE_OMP_PARALLEL. (scan_omp_for): Fix comment formatting. (scan_omp_teams): Handle host teams constructs. (check_omp_nesting_restrictions): Allow teams with no outer OpenMP context. Adjust diagnostics for teams strictly nested into some explicit OpenMP construct other than target. Allow OpenMP atomics inside of simd regions. (scan_omp_1_stmt): Call scan_sharing_clauses for taskgroups. (scan_omp_1_stmt) : Temporarily bump taskreg_nesting_level while scanning host teams construct. (task_reduction_read): New function. (lower_rec_input_clauses): Handle OMP_CLAUSE_REDUCTION on taskloop construct. Handle OMP_CLAUSE_IN_REDUCTION and OMP_CLAUSE__REDUCTEMP_ clauses. Handle OMP_CLAUSE_REDUCTION with task modifier. Remove second argument create_tmp_var if it is NULL. Don't ignore shared clauses in is_host_teams_ctx contexts. Handle OMP_CLAUSE_FIRSTPRIVATE_NO_REFERENCE on OMP_CLAUSE_FIRSTPRIVATE clauses. (lower_reduction_clauses): Ignore reduction clauses with task modifier. Remove second argument create_tmp_var if it is NULL. Initialize OMP_ATOMIC_MEMORY_ORDER to relaxed. (lower_send_clauses): Ignore reduction clauses with task modifier. Handle OMP_CLAUSE__REDUCTEMP_. Don't send anything for OMP_CLAUSE_REDUCTION on taskloop. Handle OMP_CLAUSE_IN_REDUCTION. (maybe_add_implicit_barrier_cancel): Add OMP_RETURN argument, don't rely that it is the last stmt in body so far. Ignore outer taskgroup contexts. (omp_task_reductions_find_first, omp_task_reduction_iterate, lower_omp_task_reductions): New functions. (lower_omp_sections): Handle reduction clauses with taskgroup modifiers. Adjust maybe_add_implicit_barrier_cancel caller. (lower_omp_single): Adjust maybe_add_implicit_barrier_cancel caller. (lower_omp_for): Likewise. Handle reduction clauses with taskgroup modifiers. (lower_omp_taskgroup): Handle taskgroup reductions. (create_task_copyfn): Copy over OMP_CLAUSE__REDUCTEMP_ pointer. Handle OMP_CLAUSE_IN_REDUCTION and OMP_CLAUSE_REDUCTION clauses. (lower_depend_clauses): If there are any OMP_CLAUSE_DEPEND_DEPOBJ or OMP_CLAUSE_DEPEND_MUTEXINOUTSET depend clauses, use a new array format. If OMP_CLAUSE_DEPEND_LAST is seen, assume lowering is done already and return early. Set kind on artificial depend clause to OMP_CLAUSE_DEPEND_LAST. (lower_omp_taskreg): Handle reduction clauses with task modifier on parallel construct. Handle reduction clause on taskloop construct. Handle taskwait with depend clauses. (lower_omp_1): Use lower_omp_taskreg instead of lower_omp_teams for host teams constructs. * tree.c (omp_clause_num_ops): Add in_reduction, task_reduction, nontemporal and _reductemp_ clause entries. (omp_clause_code_name): Likewise. (walk_tree_1): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION, OMP_CLAUSE_NONTEMPORAL and OMP_CLAUSE__REDUCTEMP_. * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_{{IN,TASK}_REDUCTION,NONTEMPORAL,_REDUCTEMP_}. (enum omp_clause_defaultmap_kind, enum omp_memory_order): New. (struct tree_base): Add omp_atomic_memory_order field into union. Remove OMP_ATOMIC_SEQ_CST comment. (enum omp_clause_depend_kind): Add OMP_CLAUSE_DEPEND_MUTEXINOUTSET and OMP_CLAUSE_DEPEND_DEPOBJ. (struct tree_omp_clause): Add subcode.defaultmap_kind. * tree.def (OMP_TASKGROUP): Add another operand, move next to other OpenMP constructs with body and clauses operands. * tree.h (OMP_BODY): Use OMP_MASTER instead of OMP_TASKGROUP. (OMP_CLAUSES): Use OMP_TASKGROUP instead of OMP_SINGLE. (OMP_TASKGROUP_CLAUSES): Define. (OMP_CLAUSE_DECL): Use OMP_CLAUSE__REDUCTEMP_ instead of OMP_CLAUSE__LOOPTEMP_. (OMP_ATOMIC_SEQ_CST): Remove. (OMP_ATOMIC_MEMORY_ORDER, OMP_CLAUSE_FIRSTPRIVATE_NO_REFERENCE, OMP_CLAUSE_LASTPRIVATE_CONDITIONAL): Define. (OMP_CLAUSE_REDUCTION_CODE, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER, OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Handle OMP_CLAUSE_{,IN_,TASK_}REDUCTION. (OMP_CLAUSE_REDUCTION_TASK, OMP_CLAUSE_REDUCTION_INSCAN, OMP_CLAUSE_DEFAULTMAP_KIND, OMP_CLAUSE_DEFAULTMAP_CATEGORY, OMP_CLAUSE_DEFAULTMAP_BEHAVIOR, OMP_CLAUSE_DEFAULTMAP_SET_KIND): Define. * tree-inline.c (remap_gimple_stmt): Remap taskgroup clauses. * tree-nested.c (convert_nonlocal_omp_clauses): Handle OMP_CLAUSE__REDUCTEMP_, OMP_CLAUSE_NONTEMPORAL. (convert_local_omp_clauses): Likewise. Remove useless test. * tree-parloops.c (create_call_for_reduction_1): Pass OMP_MEMORY_ORDER_RELAXED as new argument to dump_gimple_omp_atomic_load and dump_gimple_omp_atomic_store. * tree-pretty-print.c (dump_omp_iterators): New function. (dump_omp_clause): Handle OMP_CLAUSE__REDUCTEMP_, OMP_CLAUSE_NONTEMPORAL, OMP_CLAUSE_{TASK,IN}_REDUCTION. Print reduction modifiers. Handle OMP_CLAUSE_DEPEND_DEPOBJ and OMP_CLAUSE_DEPEND_MUTEXINOUTSET. Print iterators in depend clauses. Print __internal__ for OMP_CLAUSE_DEPEND_LAST. Handle cancel and simd OMP_CLAUSE_IF_MODIFIERs. Handle new kinds of OMP_CLAUSE_DEFAULTMAP. Print conditional: for OMP_CLAUSE_LASTPRIVATE_CONDITIONAL. (dump_omp_atomic_memory_order): New function. (dump_generic_node): Use it. Print taskgroup clauses. Print taskwait with depend clauses. * tree-pretty-print.h (dump_omp_atomic_memory_order): Declare. * tree-streamer-in.c (unpack_ts_omp_clause_value_fields): Handle OMP_CLAUSE_{TASK,IN}_REDUCTION. * tree-streamer-out.c (pack_ts_omp_clause_value_fields, write_ts_omp_clause_tree_pointers): Likewise. 2018-11-08 David Malcolm PR ipa/86395 * doc/invoke.texi (-fdump-ipa-): Document the "-optimized", "-missed", "-note", and "-all" sub-options. * ipa-inline.c (caller_growth_limits): Port from fprintf to dump API. (can_early_inline_edge_p): Likewise. (want_early_inline_function_p): Likewise. (want_inline_self_recursive_call_p): Likewise. (recursive_inlining): Likewise. (inline_small_functions): Likewise. (flatten_function): Likewise. (ipa_inline): Likewise. (inline_always_inline_functions): Likewise. (early_inline_small_functions): Likewise. (early_inliner): Likewise. * tree-inline.c (expand_call_inline): Likewise. 2018-11-08 David Malcolm * pretty-print.c (pp_format): Handle %f. (selftest::test_pp_format): Add test of %f. * pretty-print.h (pp_double): New macro. 2018-11-08 David Malcolm * dump-context.h (ASSERT_IS_CGRAPH_NODE): New macro. * dumpfile.c (make_item_for_dump_cgraph_node): Move to before... (dump_pretty_printer::decode_format): Implement "%C" for cgraph_node *. (selftest::test_capture_of_dump_calls): Rename "where" to "stmt_loc". Convert test_decl to a function decl and set its location. Add a symbol_table_test RAII instance and a cgraph_node, using it to test "%C" and dump_symtab_node. 2018-11-08 Eric Botcazou PR middle-end/87916 * cgraphclones.c (duplicate_thunk_for_node): Also set DECL_IGNORED_P. 2018-11-08 David Malcolm * cgraph.c: Include "selftest.h". (saved_symtab): New variable. (selftest::symbol_table_test::symbol_table_test): New ctor. (selftest::symbol_table_test::~symbol_table_test): New dtor. (selftest::test_symbol_table_test): New test. (selftest::cgraph_c_tests): New. * cgraph.h (saved_symtab): New decl. (selftest::symbol_table_test): New class. * selftest-run-tests.c (selftest::run_tests): Call selftest::cgraph_c_tests. * selftest.h (selftest::cgraph_c_tests): New decl. 2018-11-08 Richard Biener * tree-data-ref.h (lambda_int): New typedef. (lambda_vector_gcd): Adjust. (lambda_vector_new): Likewise. (lambda_matrix_new): Likewise. * tree-data-ref.c (print_lambda_vector): Adjust. 2018-11-08 Richard Biener PR tree-optimization/87929 * tree-complex.c (expand_complex_comparison): Clean EH. 2018-11-08 Martin Liska * doc/extend.texi: Reword. * predict.c (expr_expected_value_1): Likewise. 2018-11-08 Richard Biener PR tree-optimization/87913 * tree-ssa-phiopt.c (minmax_replacement): Turn EQ/NE compares of extreme values to ordered comparisons. 2018-11-07 Sandra Loosemore PR middle-end/42726 * doc/invoke.texi (Code Gen Options): Clarify -fno-common behavior. 2018-11-07 Sandra Loosemore * doc/invoke.texi: Remove leading dash from @opindex entries throughout the file. 2018-11-07 Sandra Loosemore PR driver/80828 * doc/invoke.texi (Option Summary): Add -e and --entry. (Link Options): Likewise. 2018-11-07 Nathan Sidwell PR 87926 * Makefile.in (bitmap.o-warn): Add -Wno-error to unbreak --disable-checking bootstrap. 2018-11-07 Hafiz Abid Qadeer * configure: Regenerated. 2018-11-07 Jozef Lawrynowicz PR c/87691 * stor-layout.c (compute_record_mode): Set TYPE_MODE of UNION_TYPE to the mode of the widest field iff the widest field has mode class MODE_INT, or MODE_PARTIAL_INT and the union would be passed by reference. 2018-11-07 Nikolai Merinov * common.opt: Add -Wattribute-warning. * doc/invoke.texi: Add documentation for -Wno-attribute-warning. * expr.c (expand_expr_real_1): Add new attribute to warning_at call to allow user configure behavior of "warning" attribute. 2018-11-07 Segher Boessenkool * target.def: Put @: after every vs., e.g., and i.e. where it is followed by whitespace. * doc/extend.texi: Ditto. * doc/fragments.texi: Ditto. * doc/gimple.texi: Ditto. * doc/implement-c.texi: Ditto. * doc/install.texi: Ditto. * doc/invoke.texi: Ditto. * doc/md.texi: Ditto. * doc/plugins.texi: Ditto. * doc/rtl.texi: Ditto. * doc/sourcebuild.texi: Ditto. * doc/tm.texi.in: Ditto. * doc/ux.texi: Ditto. * doc/tm.texi: Regenerate. 2018-11-07 Kyrylo Tkachov * config/arm/arm-cpus.in (ares): New entry. * config/arm/arm-tables.opt: Regenerate. * config/arm/arm-tune.md: Likewise. * doc/invoke.texi (ARM Options): Document ares. 2018-11-07 Kyrylo Tkachov * config/aarch64/aarch64-cores.def (ares): Define. * config/aarch64/aarch64-tune.md: Regenerate. * doc/invoke.texi (AArch64 Options): Document ares value for mtune. 2018-11-07 Jan Hubicka * tree.c (fld_incomplete_type_of): Clear TREE_ADDRESSABLE. (free_lang_data_in_decl): Set TREE_ADDRESSABLE for public vars and functions; clear TYPE_DECL_SUPPRESS_DEBUG and DECL_MODE for TYPE_DECL. 2018-11-07 Richard Biener PR tree-optimization/87914 * tree-vect-loop.c (vect_is_simple_reduction): Improve detection of nested cycles. (vectorizable_reduction): Handle shifts and rotates by dispatching to vectorizable_shift. * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Handle in-loop uses of vect_nested_cycle defs. Merge cycle and internal def cases. (vectorizable_shift): Export and handle being called as vect_nested_cycle. (vect_analyze_stmt): Call vectorizable_shift after vectorizable_reduction. * tree-vectorizer.h (vectorizable_shift): Declare. 2018-11-07 Jan Hubicka * ipa-devirt.c (odr_types_equivalent_p): Expect constants than const decls in TREE_VALUE of enum. (dump_type_inheritance_graph): Improve duplicate dumping. (free_enum_values): New. (build_type_inheritance_graph): Use it. * tree.c (free_lang_data_in_type): Free TYPE_VALUES of enums which are not main variants or not ODR types. (verify_type_variant): Expect variants to have no TYPE_VALUES. 2018-11-07 Richard Biener * ipa-inline.c (want_inline_small_function_p): Compute big_speedup_p lazily and last. 2018-11-07 Jan Hubicka * tree.c (fld_type_variant_equal_p): Skip TYPE_ALIGN check when building incomplete variant of complete type. (fld_type_variant): Do not copy TYPE_ALIGN when building incomplete variant of complete type. 2018-11-07 Chenghua Xu * config/mips/mips.c: Fix typo in documentation of mips_loongson_ext2_prefetch_cookie. (mips_option_override): fix brain twister logical. * config/mips/mips.h: Fix typo in documentation of ISA_HAS_CTZ_CTO and define pattern. * config/mips/mips.md (prefetch): Hoist EXT2 above the 2EF/EXT block. (prefetch_indexed): Hoist EXT2 above the EXT block. 2018-11-07 Jan Hubicka * tree.c (free_lang_data_in_type): Add fld parameter; simplify return and parameter types of function and method types. (free_lang_data_in_cgraph): Update. 2018-11-07 Martin Liska PR rtl-optimization/87868 * postreload-gcse.c (eliminate_partially_redundant_load): Set threshold to max_count if we would overflow. * profile-count.h: Make max_count a public constant. 2018-11-07 Martin Liska * mem-stats.h: Fix GNU coding style. 2018-11-07 Chenghua Xu * config/mips/gs264e.md: New. * config/mips/mips-cpus.def: Define gs264e. * config/mips/mips-tables.opt: Regenerate. * config/mips/mips.c (mips_rtx_cost_data): Add DEFAULT_COSTS for gs264e. (mips_issue_rate): Add support for gs264e. (mips_multipass_dfa_lookahead): Likewise. * config/mips/mips.h: Define TARGET_GS264E and TUNE_GS264E. (MIPS_ISA_LEVEL_SPEC): Infer mips64r2 from gs264e. (MIPS_ASE_MSA_SPEC): New. (BASE_DRIVER_SELF_SPECS): march=gs264e implies -mmsa. (ISA_HAS_FUSED_MADD4): Enable for TARGET_GS264E. (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_GS264E. * config/mips/mips.md: Include gs264e.md. (processor): Add gs264e. * config/mips/mips.opt (MSA): Use Mask instead of Var. * doc/invoke.texi: Add gs264e to supported architectures. 2018-11-07 Chenghua Xu * config/mips/gs464e.md: New. * config/mips/mips-cpus.def: Define gs464e. * config/mips/mips-tables.opt: Regenerate. * config/mips/mips.c (mips_rtx_cost_data): Add DEFAULT_COSTS for gs464e. (mips_issue_rate): Add support for gs464e. (mips_multipass_dfa_lookahead): Likewise. (mips_option_override): Enable MMI, EXT and EXT2 for gs464e. * config/mips/mips.h: Define TARGET_GS464E and TUNE_GS464E. (MIPS_ISA_LEVEL_SPEC): Infer mips64r2 from gs464e. (ISA_HAS_FUSED_MADD4): Enable for TARGET_GS464E. (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_GS464E. * config/mips/mips.md: Include gs464e.md. (processor): Add gs464e. * doc/invoke.texi: Add gs464e to supported architectures. 2018-11-07 Chenghua Xu * config/mips/loongson3a.md: Rename to ... * config/mips/gs464.md: ... here. * config/mips/mips-cpus.def: Define gs464; Add loongson3a as an alias of gs464 processor. * config/mips/mips-tables.opt: Regenerate. * config/mips/mips.c (mips_issue_rate): Use PROCESSOR_GS464 instead of PROCESSOR_LOONGSON_3A. (mips_multipass_dfa_lookahead): Use TUNE_GS464 instead of TUNE_LOONGSON_3A. (mips_option_override): Enable MMI and EXT for gs464. * config/mips/mips.h: Rename TARGET_LOONGSON_3A to TARGET_GS464; Rename TUNE_LOONGSON_3A to TUNE_GS464. (MIPS_ISA_LEVEL_SPEC): Infer mips64r2 from gs464. (ISA_HAS_ODD_SPREG, ISA_AVOID_DIV_HILO, ISA_HAS_FUSED_MADD4, ISA_HAS_UNFUSED_MADD4): Use TARGET_GS464 instead of TARGET_LOONGSON_3A. * config/mips/mips.md: Include gs464.md instead of loongson3a.md. (processor): Add gs464; * doc/invoke.texi: Add gs464 to supported architectures. 2018-11-07 Chenghua Xu * config/mips/mips-protos.h (mips_loongson_ext2_prefetch_cookie): New prototype. * config/mips/mips.c (mips_loongson_ext2_prefetch_cookie): New. (mips_option_override): Enable TARGET_LOONGSON_EXT when TARGET_LOONGSON_EXT2 is true. * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_ext2, __mips_loongson_ext_rev=2. (ISA_HAS_CTZ_CTO): New, true if TARGET_LOONGSON_EXT2. (ISA_HAS_PREFETCH): Include TARGET_LOONGSON_EXT and TARGET_LOONGSON_EXT2. (ASM_SPEC): Add mloongson-ext2 and mno-loongson-ext2. (define_insn "ctz2"): New insn pattern. (define_insn "prefetch"): Include TARGET_LOONGSON_EXT2. (define_insn "prefetch_indexed_"): Include TARGET_LOONGSON_EXT and TARGET_LOONGSON_EXT2. * config/mips/mips.opt (-mloongson-ext2): Add option. * gcc/doc/invoke.texi (-mloongson-ext2): Document. 2018-11-07 Chenghua Xu * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_loongson_ext. (MIPS_ASE_LOONGSON_EXT_SPEC): New. (BASE_DRIVER_SELF_SPECS): march=loongson3a implies -mloongson-ext. (ASM_SPEC): Add mloongson-ext and mno-loongson-ext. * config/mips/mips.md (mul3, mul3_mul3_nohilo, div3, mod3, prefetch): Use TARGET_LOONGSON_EXT instead of TARGET_LOONGSON_3A. * config/mips/mips.opt (-mloongson-ext): Add option. * gcc/doc/invoke.texi (-mloongson-ext): Document. 2018-11-07 Chenghua Xu * config.gcc (extra_headers): Add loongson-mmiintrin.h. * config/mips/loongson.md: Move to ... * config/mips/loongson-mmi.md: here; Adjustment. * config/mips/loongson.h: Move to ... State as deprecated. Include loongson-mmiintrin.h for back compatibility and warning. * config/mips/loongson-mmiintrin.h: ... here. * config/mips/mips.c (mips_hard_regno_mode_ok_uncached, mips_vector_mode_supported_p, AVAIL_NON_MIPS16): Use TARGET_LOONGSON_MMI instead of TARGET_LOONGSON_VECTORS. (mips_option_override): Make sure MMI use hard float; (mips_shift_truncation_mask, mips_expand_vpc_loongson_even_odd, mips_expand_vpc_loongson_pshufh, mips_expand_vpc_loongson_bcast, mips_expand_vector_init): Use TARGET_LOONGSON_MMI instead of TARGET_LOONGSON_VECTORS. * gcc/config/mips/mips.h (TARGET_LOONGSON_VECTORS): Delete. (TARGET_CPU_CPP_BUILTINS): Add __mips_loongson_mmi. (MIPS_ASE_DSP_SPEC, MIPS_ASE_LOONGSON_MMI_SPEC): New. (BASE_DRIVER_SELF_SPECS): march=loongson2e/2f/3a implies -mloongson-mmi. (SHIFT_COUNT_TRUNCATED): Use TARGET_LOONGSON_MMI instead of TARGET_LOONGSON_VECTORS. * gcc/config/mips/mips.md (MOVE64, MOVE128): Use TARGET_LOONGSON_MMI instead of TARGET_LOONGSON_VECTORS. (Loongson MMI patterns): Include loongson-mmi.md instead of loongson.md. * gcc/config/mips/mips.opt (-mloongson-mmi): New option. * gcc/doc/invoke.texi (-mloongson-mmi): Document. 2018-11-07 Richard Biener PR lto/87906 * tree-streamer-in.c (lto_input_ts_block_tree_pointers): Fixup BLOCK_ABSTRACT_ORIGIN to be the ultimate origin. 2018-11-07 Alexandre Oliva PR rtl-optimization/87874 * lra.c (lra_substitute_pseudo): Do not create a subreg for const wide ints. 2018-11-06 Aaron Sawdey * config/rs6000/rs6000.md (bswap2): Force address into register if not in indexed or indirect form. (bswap2_load): Change predicate to indexed_or_indirect_operand. (bswap2_store): Ditto. 2018-11-06 Richard Earnshaw * config/aarch64/aarch64.md (speculation_tracker): Set the mode for the UNSPEC. 2018-11-06 Richard Biener PR tree-optimization/86850 * vec.h (vec::splice): Check src.length () instead of src.m_vec. 2018-11-06 Jan Hubicka * tree.c (fld_simplified_type_name): Break out form ... (free_lang_data_in_type): ... here. (fld_type_variant_equal_p): Use it. 2018-11-06 Rainer Orth * config/default-d.c: Include memmodel.h. * config/sol2-d.c: New file. * config/t-sol2 (sol2-d.o): New rule. * config.gcc <*-*-solaris2*>: Set d_target_objs, target_has_targetdm. 2018-11-06 Jan Hubicka * tree.c (fld_type_variant): Also copy alignment; be sure that new variant is equal. 2018-11-06 Ilya Leoshkevich PR target/87762 * config/s390/s390.md: Add relative_long attribute. 2018-11-06 Jan Hubicka * ipa-pure-const.c (check_decl): Do not test TYPE_NEEDS_CONSTRUCTING. * lto-streamer-out.c (hash_tree): Do not hash TYPE_NEEDS_CONSTRUCTING. * tree-streamer-in.c (unpack_ts_type_common_value_fields): Do not stream TYPE_NEEDS_CONSTRUCTING. * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise. * tree.c (free_lang_data_in_type): Clear TYPE_NEEDS_CONSTRUCTING. 2018-11-06 Richard Biener * tree-vect-slp.c (vect_slp_bb): Move opening of vect_slp_analyze_bb dump-scope ... (vect_slp_analyze_bb_1): ... here to avoid hiding optimized locations. 2018-11-06 Jozef Lawrynowicz * gcc/config/msp430/msp430.h (REG_CLASS_CONTENTS): Add R0 to REG_CLASS_CONTENTS[GEN_REGS]. (REGNO_REG_CLASS): Return NO_REGS for R2 and R3. 2018-11-06 Jan Hubicka * tree.c (fld_simplified_type_of): Clear TYPELESS_STORAGE flag. 2018-11-06 Rainer Orth PR sanitizer/80953 * config/sol2.h (ASAN_CC1_SPEC): Define. (LD_WHOLE_ARCHIVE_OPTION): Define. (LD_NO_WHOLE_ARCHIVE_OPTION): Define. (ASAN_REJECT_SPEC): Provide default. (LIBASAN_EARLY_SPEC): Define. (LIBTSAN_EARLY_SPEC): Define. (LIBLSAN_EARLY_SPEC): Define. * config/i386/sol2.h (CC1_SPEC): Redefine. (ASAN_REJECT_SPEC): Define. * config/sparc/sparc.c (sparc_asan_shadow_offset): Declare. (TARGET_ASAN_SHADOW_OFFSET): Define. (sparc_asan_shadow_offset): New function. * config/sparc/sol2.h (CC1_SPEC): Append ASAN_CC1_SPEC. (ASAN_REJECT_SPEC): Define. 2018-11-06 Jan Hubicka * tree.c (fld_type_variant): Copy canonical type. (fld_incomplete_type_of): Check that canonical types looks sane; copy canonical type. (verify_type): Accept when incomplete type has complete canonical type. 2018-11-06 Jan Hubicka * tree.c (free_lang_data): Reset overwite_assembler_name, print_xnode, print_decl, print_type and print_identifier of langhooks. 2018-11-06 Richard Biener PR tree-optimization/87889 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges): Do nothing if old and new arg are the same 2018-11-06 Andreas Krebbel PR target/87723 * config/s390/s390.md ("*rsbg_di_rotl"): Remove mode attributes for operands 3 and 4. 2018-11-06 Richard Biener PR middle-end/18041 * simplify-rtx.c (simplify_binary_operation_1): Add pattern matching bitfield insertion. 2018-11-06 Alexandre Oliva * auto-inc-dec.c: Include valtrack.h. Improve comments. (reg_next_debug_use): New. (attempt_change): Propagate adjusted expression into affected debug insns. (merge_in_block): Track uses in debug insns. (pass_inc_dec::execute): Allocate and release reg_next_debug_use. 2018-11-06 Wei Xiao * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics. (_mm512_fixupimm_round_pd): Update parameters and builtin. (_mm512_maskz_fixupimm_round_pd): Ditto. (_mm512_fixupimm_round_ps): Ditto. (_mm512_maskz_fixupimm_round_ps): Ditto. (_mm_fixupimm_round_sd): Ditto. (_mm_maskz_fixupimm_round_sd): Ditto. (_mm_fixupimm_round_ss): Ditto. (_mm_maskz_fixupimm_round_ss): Ditto. (_mm512_fixupimm_pd): Ditto. (_mm512_maskz_fixupimm_pd): Ditto. (_mm512_fixupimm_ps): Ditto. (_mm512_maskz_fixupimm_ps): Ditto. (_mm_fixupimm_sd): Ditto. (_mm_maskz_fixupimm_sd): Ditto. (_mm_fixupimm_ss): Ditto. (_mm_maskz_fixupimm_ss): Ditto. (_mm512_mask_fixupimm_round_pd): Update builtin. (_mm512_mask_fixupimm_round_ps): Ditto. (_mm_mask_fixupimm_round_sd): Ditto. (_mm_mask_fixupimm_round_ss): Ditto. (_mm512_mask_fixupimm_pd): Ditto. (_mm512_mask_fixupimm_ps): Ditto. (_mm_mask_fixupimm_sd): Ditto. (_mm_mask_fixupimm_ss): Ditto. * config/i386/avx512vlintrin.h: (_mm256_fixupimm_pd): Update parameters and builtin. (_mm256_maskz_fixupimm_pd): Ditto. (_mm256_fixupimm_ps): Ditto. (_mm256_maskz_fixupimm_ps): Ditto. (_mm_fixupimm_pd): Ditto. (_mm_maskz_fixupimm_pd): Ditto. (_mm_fixupimm_ps): Ditto. (_mm_maskz_fixupimm_ps): Ditto. (_mm256_mask_fixupimm_pd): Update builtin. (_mm256_mask_fixupimm_ps): Ditto. (_mm_mask_fixupimm_pd): Ditto. (_mm_mask_fixupimm_ps): Ditto. * config/i386/i386-builtin-types.def: Add new types and remove useless ones. * config/i386/i386-builtin.def: Update builtin definitions. * config/i386/i386.c: Handle new builtin types and remove useless ones. * config/i386/sse.md: Update VFIXUPIMM* patterns. (_fixupimm_maskz): Update. (_fixupimm): Update. (_fixupimm_mask): Update. (avx512f_sfixupimm_maskz): Update. (avx512f_sfixupimm): Update. (avx512f_sfixupimm_mask): Update. * config/i386/subst.md: (round_saeonly_sd_mask_operand4): Add new subst_attr. (round_saeonly_sd_mask_op4): Ditto. (round_saeonly_expand_operand5): Ditto. (round_saeonly_expand): Update. 2018-11-05 Max Filippov * config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0. 2018-11-05 Segher Boessenkool PR rtl-optimization/87871 * combine.c (make_more_copies): Skip if dest is frame_pointer_rtx. 2018-11-05 Paul Koning * doc/sourcebuild.texi (target attributes): Document new "inf" effective target keyword. 2018-11-05 Robin Dapp * config/s390/s390.c (s390_register_move_cost): Increase costs for moves involving the CC reg. 2018-11-05 Richard Biener PR tree-optimization/87873 * tree-ssa-loop-manip.h (split_loop_exit_edge): Add copy_constants_p argument. * tree-ssa-loop-manip.c (split_loop_exit_edge): Likewise. * tree-vect-loop.c (vect_transform_loop): When splitting the loop exit also create forwarder PHIs for constants. * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges): Handle constant to_arg, add extra checking we match up the correct PHIs. 2018-11-05 Robin Dapp * config/s390/s390.md: QImode and HImode for load on condition. 2018-11-05 Robin Dapp * config/s390/predicates.md: Fix typo. * config/s390/s390.md: Allow immediates for load on condition. 2018-11-05 Martin Liska * alloc-pool.h (struct pool_usage): Use SIZE_AMOUNT. * bitmap.h (struct bitmap_usage): Likewise. * ggc-common.c (SCALE): Remove. (LABEL): Likewise. (struct ggc_usage): Use SIZE_AMOUNT. And update compare method. * ggc-page.c (SCALE): Remove. (STAT_LABEL): Remove. (ggc_print_statistics): Use SIZE_AMOUNT. * gimple.h (SCALE): Remove. (LABEL): Likewise. * input.c (ONE_K): Remove. (ONE_M): Likewise. (SCALE): Likewise. (STAT_LABEL): Likewise. (FORMAT_AMOUNT): Likewise. (dump_line_table_statistics): Use SIZE_AMOUNT. * mem-stats.h (struct mem_usage): Likewise. * rtl.c (dump_rtx_statistics): Likewise. (rtx_alloc_counts): Change type to size_t. (rtx_alloc_sizes): Likewise. (rtx_count_cmp): New. (dump_rtx_statistics): Sort first based on counts. * tree.c (tree_nodes_cmp): New. (tree_codes_cmp): New. (dump_tree_statistics): Sort first based on counts. * system.h (ONE_K): New. (ONE_M): Likewise. (SIZE_SCALE): Likewise. (SIZE_LABEL): Likewise. (SIZE_AMOUNT): Likewise. * tree-cfg.c (dump_cfg_stats): Use SIZE_AMOUNT. * tree-dfa.c (dump_dfa_stats): Likewise. * tree-phinodes.c (phinodes_print_statistics): Likewise. * tree-ssanames.c (ssanames_print_statistics): Likewise. * tree.c (dump_tree_statistics): Likewise. * vec.c (struct vec_usage): Likewise. * trans-mem.c (tm_mangle): Enlarge buffer in order to not trigger a -Werror=format-overflow with --enable-gather-detailed-stats. 2018-11-05 Martin Liska * mem-stats.h (mem_alloc_description::release_instance_overhead): Return T *. * vec.c (struct vec_usage): Register m_element_size. (vec_prefix::register_overhead): New arguments: elements and element_size. (vec_prefix::release_overhead): Subtract elements. * vec.h (struct vec_prefix): Change signature. (va_heap::reserve): Pass proper arguments. (va_heap::release): Likewise. 2018-11-05 Martin Liska * mem-stats.h (mem_alloc_description::get_list): Fix GNU coding style. * vec.c: Likewise. 2018-11-05 Richard Biener * tree-scalar-evolution.h (final_value_replacement_loop): Update prototype. * tree-scalar-evolution.c (final_value_replacement_loop): Return whether anything was done. (scev_const_prop): Remove constant propagation part, fold remains into ... * tree-ssa-loop.c (pass_scev_cprop::execute): ... here. (pass_data_scev_cprop): TODO_cleanup_cfg is now done conditionally. 2018-11-05 Jakub Jelinek PR tree-optimization/87859 * gimple-ssa-store-merging.c (struct merged_store_group): Add only_constants and first_nonmergeable_order members. (merged_store_group::merged_store_group): Initialize them. (merged_store_group::do_merge): Clear only_constants member if adding something other than INTEGER_CST store. (imm_store_chain_info::coalesce_immediate_stores): Don't merge stores with order >= first_nonmergeable_order. Use merged_store->only_constants instead of always recomputing it. Set merged_store->first_nonmergeable_order if we've skipped any stores. Attempt to merge overlapping INTEGER_CST stores that we would otherwise skip. PR sanitizer/87837 * match.pd (X + Y < X): Don't optimize if TYPE_OVERFLOW_SANITIZED. 2018-11-05 Xuepeng Guo PR target/87853 * config/i386/emmintrin.h (__v16qs): New to cope with option -funsigned-char. (_mm_cmpeq_epi8): Replace __v16qi with __v16qs. (_mm_cmplt_epi8): Likewise. (_mm_cmpgt_epi8): Likewise. 2018-11-05 Richard Biener PR rtl-optimization/87852 * fwprop.c (use_killed_between): Only consider single-defs of the use whose definition statement dominates the use. 2018-11-05 Martin Liska PR web/87829 * doc/invoke.texi: Remove options that are not disabled with -Os. 2018-11-05 Martin Liska PR c/87811 * doc/extend.texi: Update constrain about the last argument of __builtin_expect_with_probability. 2018-11-05 Martin Liska PR c/87811 * predict.c (expr_expected_value_1): Verify that last argument is a real constants and emit error. 2018-11-05 Martin Liska PR gcov-profile/77698 * ipa-profile.c (ipa_profile): Adjust hotness threshold only in LTO mode. 2018-11-04 Bernd Edlinger PR tree-optimization/86572 * builtins.c (c_strlen): Handle negative offsets in a safe way. 2018-11-04 Bernd Edlinger PR tree-optimization/87672 * gimple-fold.c (gimple_fold_builtin_stxcpy_chk): Gimplify. * tree-ssa-strlen.c (handle_builtin_strcat): Adjust object size. 2018-11-04 Uros Bizjak PR middle-end/58372 * cfgexpand.c (pass_expand::execute): Move the call to finish_eh_generation in front of the call to expand_stack_alignment. 2018-11-04 Venkataramanan Kumar * common/config/i386/i386-common.c (processor_alias_table): Add znver2 entry. * config.gcc (i[34567]86-*-linux* | ...): Add znver2. (case ${target}): Add znver2. * config/i386/driver-i386.c: (host_detect_local_cpu): Let -march=native recognize znver2 processors. * config/i386/i386-c.c (ix86_target_macros_internal): Add znver2. * config/i386/i386.c (m_znver2): New definition. (m_ZNVER): New definition. (m_AMD_MULTIPLE): Includes m_znver2. (processor_cost_table): Add znver2 entry. (processor_target_table): Add znver2 entry. (get_builtin_code_for_version): Set priority for PROCESSOR_ZNVER2. (processor_model): Add M_AMDFAM17H_ZNVER2. (arch_names_table): Ditto. (ix86_reassociation_width): Include znver2. * config/i386/i386.h (TARGET_znver2): New definition. (struct ix86_size_cost): Add TARGET_ZNVER2. (enum processor_type): Add PROCESSOR_ZNVER2. * config/i386/i386.md (define_attr "cpu"): Add znver2. * config/i386/x86-tune-costs.h: (processor_costs) Add znver2 costs. * config/i386/x86-tune-sched.c: (ix86_issue_rate): Add znver2. (ix86_adjust_cost): Add znver2. * config/i386/x86-tune.def: Replace m_ZNVER1 by m_ZNVER. * gcc/doc/extend.texi: Add details about znver2. * gcc/doc/invoke.texi: Add details about znver2. 2018-11-03 Sandra Loosemore PR target/87079 * config/nios2/nios2.c (nios2_rtx_costs): Recognize sidi3 pattern. 2018-11-02 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_strncmp_gpr_sequence): Pay attention to TARGET_AVOID_XFORM and BYTES_BIG_ENDIAN. 2018-11-02 Richard Earnshaw * config/aarch64/aarch64.c ((aarch64_override_options): Disable shrink-wrapping when -mtrack-speculation. 2018-11-02 Richard Biener * tree-ssa-coalesce.c (struct coalesce_list): Add obstack member. (pop_cost_one_pair): Do not free pair. (pop_best_coalesce): Likewise. (create_coalesce_list): Initialize obstack. (delete_coalesce_list): Free obstack. (find_coalesce_pair): Obstack-allocate coalesce pairs. (add_cost_one_coalesce): Likewise. (struct live_track): Remove bitmap pointer indirections. (new_live_track): Adjust. (delete_live_track): Likewise. (live_track_remove_partition): Likewise. (live_track_add_partition): Likewise. (live_track_live_p): Likewise. (live_track_process_def): Likewise. (live_track_clear_base_vars): Likewise. 2018-11-02 Rainer Orth * configure.ac (gcc_cv_as_sparc_register_op): Remove. * configure: Regenerate. * config.in: Regenerate. * config/sparc/sparc.c (sparc_output_scratch_registers): Remove HAVE_AS_REGISTER_PSEUDO_OP guard. * config/sparc/sparc.h (ASM_ARCH64_SPEC): Remove !HAVE_AS_REGISTER_PSEUDO_OP support. (ASM_DECLARE_REGISTER_GLOBAL): Remove HAVE_AS_REGISTER_PSEUDO_OP guard. 2018-11-02 Richard Biener * dwarf2out.c (build_abbrev_table): Guard lookup_external_ref call with is_type_die. 2018-11-02 Richard Biener PR tree-optimization/87776 * tree-ssa-sccvn.c (do_rpo_vn): Do not mark backedges executable when iterating but running into rpo-vn-max-loop-depth and not eliding the iteration. 2018-11-30 Jan Hubicka * tree.c (free_lang_data_in_decl): Free TREE_TYPE and alignment of TYPE_DECL. 2018-11-01 Aaron Sawdey * config/rs6000/rs6000-protos.h (rs6000_address_for_fpconvert): Remove prototype. * config/rs6000/rs6000.c (rs6000_force_indexed_or_indirect_mem): Combine with rs6000_address_for_fpconvert. (rs6000_address_for_fpconvert): Combine with rs6000_force_indexed_or_indirect_mem. (rs6000_expand_vector_init): Change function call from rs6000_address_for_fpconvert to rs6000_force_indexed_or_indirect_mem. * config/rs6000/rs6000.md (floatsi2_lfiwax): Change call from rs6000_address_for_fpconvert to rs6000_force_indexed_or_indirect_mem. (floatsi2_lfiwax_mem): Ditto. (floatunssi2_lfiwzx): Ditto. (floatunssi2_lfiwzx_mem): Ditto. (float2): Ditto. (floatuns2): Ditto. (fix_truncsi2_stfiwx): Ditto. (fixuns_truncsi2_stfiwx): Ditto. (float_si2_hw): Ditto. (floatuns_si2_hw): Ditto. * config/rs6000/vsx.md (*vsx_extract_si): Ditto. (vsx_splat_): Ditto. 2018-11-01 Joseph Myers * configure.ac (gcc_cv_as_ia64_ltoffx_ldxmov_relocs): Add newline at end of assembler input text. * configure: Regenerate. 2018-11-01 Jakub Jelinek PR tree-optimization/87826 * gimple-ssa-store-merging.c (do_shift_rotate): Punt if count is negative or larger or equal to type's precision. 2018-10-31 Alexandre Oliva * opts.c (default_options_table): Do not enable OPT_fdelayed_branch at -Og. * doc/invoke.texi (-fdelayed-branch): Document it. 2018-10-31 Richard Henderson * optabs-libfuncs.c (build_libfunc_function_visibility): New, split out from... (build_libfunc_function): ... here. (init_one_libfunc_visibility): New, split out from ... (init_one_libfunc): ... here. * config/aarch64/atomics.md (aarch64_atomic__lse): scratch register need not be early-clobber. Document the reason why we cannot use ST. 2018-10-31 Joseph Myers PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. Use single line for second argument of AC_DEFINE_UNQUOTED. * doc/install.texi (Tools/packages necessary for modifying GCC): Update to autoconf 2.69 and automake 1.15.1. * aclocal.m4, config.in, configure: Regenerate. 2018-10-31 Pat Haugen * tree-ssa-loop-ivcanon.c (try_peel_loop): Fix typo and remove dead initialization. 2018-10-31 Martin Liska PR driver/83193 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension): Add new argument invalid_extension. (aarch64_get_all_extension_candidates): New function. (aarch64_rewrite_selected_cpu): Add NULL to function call. * config/aarch64/aarch64-protos.h (aarch64_parse_extension): Add new argument. (aarch64_get_all_extension_candidates): New function. * config/aarch64/aarch64.c (aarch64_parse_arch): Add new argument invalid_extension. (aarch64_parse_cpu): Likewise. (aarch64_print_hint_for_extensions): New function. (aarch64_validate_mcpu): Provide hint about invalid extension. (aarch64_validate_march): Likewise. (aarch64_handle_attr_arch): Pass new argument. (aarch64_handle_attr_cpu): Provide hint about invalid extension. (aarch64_handle_attr_isa_flags): Likewise. 2018-10-31 Richard Biener PR middle-end/70359 PR middle-end/86270 * tree-outof-ssa.c (insert_backedge_copies): Restrict copy generation to useful cases. Place the copy before the definition of the backedge value when possible. 2018-10-31 Claudiu Zissulescu * config/arc/arc-arch.h (ARC_TUNE_ARC7XX): New tune value. * config/arc/arc.c (arc_active_insn): New function. (check_store_cacheline_hazard): Likewise. (workaround_arc_anomaly): Use check_store_cacheline_hazard. (arc_override_options): Disable delay slot scheduler for older A7. (arc_store_addr_hazard_p): New implementation, old one renamed to ... (arc_store_addr_hazard_internal_p): Renamed. (arc_reorg): Don't combine into brcc instructions which are part of hardware hazard solution. * config/arc/arc.md (attr tune): Consider new arc7xx tune value. (tune_arc700): Likewise. * config/arc/arc.opt (arc7xx): New tune value. * config/arc/arc700.md: Improve A7 scheduler. 2018-10-31 Claudiu Zissulescu * config/arc/arc.c (arc_override_options): Remove TARGET_COMPACT_CASESI. * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Update. (CASE_VECTOR_MODE): Likewise. (CASE_VECTOR_PC_RELATIVE): Likewise. (CASE_VECTOR_SHORTEN_MODE): Likewise. (CASE_VECTOR_SHORTEN_MODE1): Delete. (ADDR_VEC_ALIGN): Update. (ASM_OUTPUT_CASE_LABEL): Undefine. (ASM_OUTPUT_BEFORE_CASE_LABEL): Undefine. (TARGET_BI_BIH): Define. (DEFAULT_BRANCH_INDEX): Likewise. * config/arc/arc.md (casesi): Rework to accept BI/BIH instructions, remove compact_casesi use case. (casesi_compact_jump): Remove. (casesi_dispatch): New pattern. * config/arc/arc.opt: Add mbranch-index option. Deprecate compact_casesi option. * doc/invoke.texi: Document mbranch-index option. 2018-10-31 Claudiu Zissulescu * config/arc/arc.c (arc_get_tp): Remove function. (arc_emit_call_tls_get_addr): Likewise. (arc_call_tls_get_addr): New function. (arc_legitimize_tls_address): Make use of arc_call_tls_get_addr. * config/arc/arc.md (tls_load_tp_soft): Remove. (tls_gd_get_addr): Likewise. 2018-10-31 Claudiu Zissulescu * config/arc/arc.md (mulsi3): Remove call to mulsi_600_lib. (mulsi3_600_lib): Remove pattern. (umulsi3_highpart_600_lib_le): Likewise. (umulsi3_highpart): Remove call to umulsi3_highpart_600_lib_le. (umulsidi3): Remove call to umulsidi3_600_lib. (umulsidi3_600_lib): Remove pattern. (peephole2): Remove peephole using the above deprecated patterns. 2018-10-31 Thomas Preud'homme PR target/87374 * config/arm/arm.c (arm_option_check_internal): Disable the combined use of -mslow-flash-data and -mword-relocations. (arm_option_override): Enable -mword-relocations if -fpic or -fPIC. * config/arm/arm.md (SYMBOL_REF MOVT splitter): Stop checking for flag_pic. * doc/invoke.texi (-mword-relocations): Mention conflict with -mslow-flash-data. (-mslow-flash-data): Reciprocally. 2018-10-31 Richard Henderson * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Force 16-byte modes held in GP registers to use an even regno. * config/aarch64/aarch64.c (aarch64_emit_bic): Remove. (aarch64_atomic_ldop_supported_p): Remove. (aarch64_gen_atomic_ldop): Remove. * config/aarch64/atomic.md (atomic_): Fully expand LSE operations here. (atomic_fetch_): Likewise. (atomic__fetch): Likewise. (aarch64_atomic__lse): Drop atomic_op iterator and use ATOMIC_LDOP instead; use register_operand for the input; drop the split and emit insns directly. (aarch64_atomic_fetch__lse): Likewise. (aarch64_atomic__fetch_lse): Remove. (@aarch64_atomic_load): Remove. * config/aarch64/aarch64.c (aarch64_emit_atomic_swap): Remove. (aarch64_gen_atomic_ldop): Don't call it. * config/aarch64/atomics.md (atomic_exchange): Use aarch64_reg_or_zero. (aarch64_atomic_exchange): Likewise. (aarch64_atomic_exchange_lse): Remove split; remove & from operand 0; use aarch64_reg_or_zero for input; merge ... (@aarch64_atomic_swp): ... this and remove. * config/aarch64/aarch64.c (aarch64_gen_compare_reg_maybe_ze): New. (aarch64_split_compare_and_swap): Use it. (aarch64_expand_compare_and_swap): Likewise. Remove convert_modes; test oldval against the proper predicate. * config/aarch64/atomics.md (@atomic_compare_and_swap): Use nonmemory_operand for expected. (cas_short_expected_pred): New. (@aarch64_compare_and_swap): Use it; use "rn" not "rI" to match. (@aarch64_compare_and_swap): Use "rn" not "rI" for expected. * config/aarch64/predicates.md (aarch64_plushi_immediate): New. (aarch64_plushi_operand): New. * config/aarch64/aarch64.c (aarch64_expand_compare_and_swap): Force oldval into the rval register for TARGET_LSE; emit the compare during initial expansion so that it may be deleted if unused. (aarch64_gen_atomic_cas): Remove. * config/aarch64/atomics.md (@aarch64_compare_and_swap_lse): Change =&r to +r for operand 0; use match_dup for operand 2; remove is_weak and mod_f operands as unused. Drop the split and merge with... (@aarch64_atomic_cas): ... this pattern's output; remove. (@aarch64_compare_and_swap_lse): Similarly. (@aarch64_atomic_cas): Similarly. 2018-10-31 Richard Biener * tree-eh.c (replace_trapping_overflow): Simplify ABS_EXPR case using ABSU_EXPR. 2018-10-31 Sameera Deshpande * config/aarch64/aarch64-cores.def (saphira): Use saphira pipeline. * config/aarch64/aarch64.md: Include saphira.md * config/aarch64/saphira.md: New file for pipeline description. 2018-10-30 Martin Sebor PR middle-end/87041 * gimple-ssa-sprintf.c (format_directive): Use %G to include inlining context. (sprintf_dom_walker::compute_format_length): Avoid setting POSUNDER4K here. (get_destination_size): Handle null argument values. (get_user_idx_format): New function. (sprintf_dom_walker::handle_gimple_call): Handle all printf-like functions, including user-defined with attribute format printf. Use %G to include inlining context. Set POSUNDER4K here. 2018-10-30 Jan Hubicka * params.def (lto-partitions): Bump from 32 to 128. 2018-10-30 Jan Hubicka * tree.c (free_lang_data_d, add_tree_to_fld_list, fld_worklist_push): Move head in file. (free_lang_data_in_type): Forward declare. (fld_type_variant_equal_p): New function. (fld_type_variant): New function (fld_incomplete_types): New hash. (fld_incomplete_type_of): New function (fld_simplfied-type): New function. (free_lang_data_in_decl): Add fld parameter; simplify type of FIELD_DECL (free_lang_data): Allocate and free fld_incomplete_type; update call of free_lang_data_in_decl. 2018-10-30 Eric Botcazou * gcov.c (output_lines): Remove duplicate line. 2018-10-30 Aaron Sawdey * config/rs6000/rs6000.md (bswapdi2): Force address into register if not in indexed or indirect form. (bswapdi2_load): Change predicate to indexed_or_indirect_operand. (bswapdi2_store): Ditto. * config/rs6000/rs6000.c (rs6000_force_indexed_or_indirect_mem): New helper function. * config/rs6000/rs6000-protos.h (rs6000_force_indexed_or_indirect_mem): Prototype for helper function. 2018-10-30 Martin Sebor * doc/extend.texi (optimize): Clarify/expand attribute documentation. (target, pragma GCC optimize, pragma GCC target): Ditto. 2018-10-30 Jonathan Wakely * doc/extend.texi: Fix prototype and description of __builtin_expect_with_probability. 2018-10-30 Michael Ploujnikov * cgraph.h (clone_function_name_1): Replaced by new clone_function_name_numbered that takes name as string; for privatize_symbol_name_1 use only. (clone_function_name): Renamed to clone_function_name_numbered to be explicit about numbering. (clone_function_name): New two-argument function that does not number its output. (clone_function_name): New three-argument function that takes a number to append to its output. * cgraphclones.c (duplicate_thunk_for_node): (clone_function_name_1): Renamed. (clone_function_name_numbered): Two new functions. (clone_function_name): Improved documentation. (cgraph_node::create_virtual_clone): Use clone_function_name_numbered. * config/rs6000/rs6000.c (make_resolver_func): Ditto. * final.c (final_scan_insn_1): Use the new clone_function_name without numbering. * multiple_target.c (create_dispatcher_calls): Ditto. (create_target_clone): Ditto. * omp-expand.c (grid_expand_target_grid_body): Ditto. * omp-low.c (create_omp_child_function_name): Ditto. * omp-simd-clone.c (simd_clone_create): Ditto. * symtab.c (simd_symtab_node::noninterposable_alias): Use the new clone_function_name without numbering. 2018-10-30 Richard Earnshaw * alloc-pool.h (base_pool_allocator ::initialize): Assert that the allocation size is not zero. 2018-10-30 Richard Biener PR tree-optimization/87800 * tree-vect-slp.c (vect_build_slp_tree_2): Reject any non-induction or reduction PHIs. 2018-10-30 Sameera Deshpande * config/aarch64/falkor-tag-collision-avoidance.c (execute_tag_collision_avoidance): Call df_note_add_problem. 2018-10-30 Martin Liska * doc/extend.texi: Fix typo in documentation of __builtin_expect_with_probability. 2018-10-29 David Malcolm PR c++/87721 * input.c (get_substring_ranges_for_loc): Detect if linemap_resolve_location gives us a NULL map, and reject this case. 2018-10-29 Iain Buclaw * config.gcc (xstormy16-*-elf): Set tm_d_file. 2018-10-29 David Malcolm Martin Sebor Manuel Lopez-Ibanez * doc/ux.texi (Quoting): New subsection, adapted from material at https://gcc.gnu.org/wiki/DiagnosticsGuidelines written by MartinSebor and ManuelLopezIbanez. (Fix-it hints): Note that fix-it hints shouldn't be marked for translation. 2018-10-29 Kugan Vivekanandarajah PR middle-end/87469 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Fix niter max value. 2018-10-29 Paul A. Clarke * gcc.target/powerpc/ssse3-check.h: Remove inaccurate comment. 2018-10-29 Paul Koning * doc/rtl.texi (CONST_WIDE_INT_ELT): Give correct macro name. 2018-10-29 Paul A. Clarke * gcc/config/rs6000/mmintrin.h (_mm_packs_pi16, _mm_packs_pi32, _mm_packs_pu16, _mm_unpackhi_pi8, _mm_unpacklo_pi8, _mm_add_pi8, _mm_add_pi16, _mm_add_pi32, _mm_sub_pi8, _mm_sub_pi16, _mm_sub_pi32, _mm_cmpgt_pi8, _mm_cmpeq_pi16, _mm_cmpgt_pi16, _mm_cmpeq_pi32, _mm_cmpgt_pi32, _mm_adds_pi8, _mm_adds_pi16, _mm_adds_pu8, _mm_adds_pu16, _mm_subs_pi8, _mm_subs_pi16, _mm_subs_pu8, _mm_subs_pu16, _mm_madd_pi16, _mm_mulhi_pi16, _mm_mullo_pi16, _mm_sll_pi16, _mm_sra_pi16, _mm_srl_pi16, _mm_set1_pi16, _mm_set1_pi8): Change 'vector' to '__vector'. * gcc/config/rs6000/xmmintrin.h (_mm_cvtps_pi32, _mm_cvttps_pi32, _mm_cvtps_pi16, _mm_cvtps_pi8, _mm_max_pi16, _mm_max_pu8, _mm_min_pi16, _mm_min_pu8, _mm_mulhi_pu16, _mm_shuffle_pi16, _mm_avg_pu8, _mm_avg_pu16): Likewise. And, whitespace corrections. 2018-10-29 Richard Biener PR tree-optimization/87785 * tree-vect-slp.c (vect_gather_slp_loads): Only gather internal defs. 2018-10-29 Olivier Hainque * VXWORKS_NET_LIBS_RTP: New macro, network part of VXWORKS_LIBS_RTP. 2018-10-29 Olivier Hainque * config/vxworks.h (VXWORKS_PERSONALITY): New VxWorks ports configuration macro, defaults to "gnu". (VXWORKS_OS_CPP_BUILTINS): Use it. Feed TOOL and TOOL_FAMILY instead of _VX_TOOL/_VXTOOL_FAMILY. 2018-10-29 Olivier Hainque * config/vxworks.h (CLEAR_INSN_CACHE): #undef before #define. 2018-10-29 Richard Biener PR tree-optimization/87790 * tree-vect-slp.c (vect_mark_slp_stmts): Simplify. (vect_make_slp_decision): Adjust. (vect_slp_analyze_bb_1): Likewise. (vect_detect_hybrid_slp_stmts): Properly union SLP type over edges. 2018-10-29 Richard Biener PR tree-optimization/87785 * tree-vect-slp.c (vect_build_slp_tree_2): Remove loads argument and processing. (vect_build_slp_tree): Likewise. (vect_gather_slp_loads): New function. (vect_analyze_slp_instance): Gather loads separately from the SLP tree build. 2018-10-29 Martin Liska * Makefile.in: Make dependency to json.o. * doc/gcov.texi: Document new JSON format, remove old intermediate format documentation. * gcov.c (struct function_info): Come up with m_name and m_demangled_name. (function_info::function_info): Initialize it. (function_info::~function_info): Release it. (main): Rename flag_intermediate_format to flag_json_format. (print_usage): Describe --json-format. (process_args): Set flag_json_format. (output_intermediate_line): Remove. (output_intermediate_json_line): Likewise. (get_gcov_intermediate_filename): Return new extension ".gcov.json.gz". (output_intermediate_file): Implement JSON emission. (output_json_intermediate_file): Implement JSON emission. (generate_results): Use ::get_name for function name. Handle JSON output file. (read_graph_file): Use ::get_name instead of cplus_demangle. (read_count_file): Likewise. (solve_flow_graph): Likewise. (add_line_counts): Likewise. (accumulate_line_counts): Use new flag_json_format. (output_function_details): Use ::get_name instead of cplus_demangle. (output_lines): Likewise. * json.cc (test_writing_literals): Add new tests. * json.h (class literal): Add new boolean constructor. 2018-10-29 Segher Boessenkool PR rtl-optimization/87701 PR rtl-optimization/87780 * combine.c (make_more_copies): Rewrite. 2018-10-28 Kugan Vivekanandarajah * doc/generic.texi (ABSU_EXPR): Document. * match.pd (absu(x)*absu(x) -> x*x): Handle. (absu(absu(X)) -> absu(X)): Likewise. (absu(-X) -> absu(X)): Likewise. (absu(X) where X is nonnegative -> X): Likewise. 2018-10-28 Iain Buclaw * Makefile.in (tm_d_file_list, tm_d_include_list): New variables. (TM_D_H, D_TARGET_DEF, D_TARGET_H, D_TARGET_OBJS): New variables. (tm_d.h, cs-tm_d.h, default-d.o): New rules. (d/d-target-hooks-def.h, s-d-target-hooks-def-h): New rules. (s-tm-texi): Also check timestamp on d-target.def. (generated_files): Add TM_D_H and d-target-hooks-def.h. (build/genhooks.o): Also depend on D_TARGET_DEF. * config.gcc (tm_d_file, d_target_objs, target_has_targetdm): New variables. * config/aarch64/aarch64-d.c: New file. * config/aarch64/aarch64-linux.h (GNU_USER_TARGET_D_CRITSEC_SIZE): Define. * config/aarch64/aarch64-protos.h (aarch64_d_target_versions): New prototype. * config/aarch64/aarch64.h (TARGET_D_CPU_VERSIONS): Define. * config/aarch64/t-aarch64 (aarch64-d.o): New rule. * config/arm/arm-d.c: New file. * config/arm/arm-protos.h (arm_d_target_versions): New prototype. * config/arm/arm.h (TARGET_D_CPU_VERSIONS): Define. * config/arm/linux-eabi.h (EXTRA_TARGET_D_OS_VERSIONS): Define. * config/arm/t-arm (arm-d.o): New rule. * config/default-d.c: New file. * config/glibc-d.c: New file. * config/gnu.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/i386/i386-d.c: New file. * config/i386/i386-protos.h (ix86_d_target_versions): New prototype. * config/i386/i386.h (TARGET_D_CPU_VERSIONS): Define. * config/i386/linux-common.h (EXTRA_TARGET_D_OS_VERSIONS): Define. (GNU_USER_TARGET_D_CRITSEC_SIZE): Define. * config/i386/t-i386 (i386-d.o): New rule. * config/kfreebsd-gnu.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/kopensolaris-gnu.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/linux-android.h (ANDROID_TARGET_D_OS_VERSIONS): Define. * config/linux.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/mips/linux-common.h (EXTRA_TARGET_D_OS_VERSIONS): Define. * config/mips/mips-d.c: New file. * config/mips/mips-protos.h (mips_d_target_versions): New prototype. * config/mips/mips.h (TARGET_D_CPU_VERSIONS): Define. * config/mips/t-mips (mips-d.o): New rule. * config/powerpcspe/linux.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/powerpcspe/linux64.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/powerpcspe/powerpcspe-d.c: New file. * config/powerpcspe/powerpcspe-protos.h (rs6000_d_target_versions): New prototype. * config/powerpcspe/powerpcspe.c (rs6000_output_function_epilogue): Support GNU D by using 0 as the language type. * config/powerpcspe/powerpcspe.h (TARGET_D_CPU_VERSIONS): Define. * config/powerpcspe/t-powerpcspe (powerpcspe-d.o): New rule. * config/riscv/riscv-d.c: New file. * config/riscv/riscv-protos.h (riscv_d_target_versions): New prototype. * config/riscv/riscv.h (TARGET_D_CPU_VERSIONS): Define. * config/riscv/t-riscv (riscv-d.o): New rule. * config/rs6000/linux.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/rs6000/linux64.h (GNU_USER_TARGET_D_OS_VERSIONS): Define. * config/rs6000/rs6000-d.c: New file. * config/rs6000/rs6000-protos.h (rs6000_d_target_versions): New prototype. * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Support GNU D by using 0 as the language type. * config/rs6000/rs6000.h (TARGET_D_CPU_VERSIONS): Define. * config/rs6000/t-rs6000 (rs6000-d.o): New rule. * config/s390/s390-d.c: New file. * config/s390/s390-protos.h (s390_d_target_versions): New prototype. * config/s390/s390.h (TARGET_D_CPU_VERSIONS): Define. * config/s390/t-s390 (s390-d.o): New rule. * config/sparc/sparc-d.c: New file. * config/sparc/sparc-protos.h (sparc_d_target_versions): New prototype. * config/sparc/sparc.h (TARGET_D_CPU_VERSIONS): Define. * config/sparc/t-sparc (sparc-d.o): New rule. * config/t-glibc (glibc-d.o): New rule. * configure: Regenerated. * configure.ac (tm_d_file): New variable. (tm_d_file_list, tm_d_include_list, d_target_objs): Add substitutes. * doc/contrib.texi (Contributors): Add self for the D frontend. * doc/frontends.texi (G++ and GCC): Mention D as a supported language. * doc/install.texi (Configuration): Mention libphobos as an option for --enable-shared. Mention d as an option for --enable-languages. (Testing): Mention check-d as a target. * doc/invoke.texi (Overall Options): Mention .d, .dd, and .di as file name suffixes. Mention d as a -x option. * doc/sourcebuild.texi (Top Level): Mention libphobos. * doc/standards.texi (Standards): Add section on D language. * doc/tm.texi: Regenerated. * doc/tm.texi.in: Add @node for D language and ABI, and @hook for TARGET_CPU_VERSIONS, TARGET_D_OS_VERSIONS, and TARGET_D_CRITSEC_SIZE. * dwarf2out.c (is_dlang): New function. (gen_compile_unit_die): Use DW_LANG_D for D. (declare_in_namespace): Return module die for D, instead of adding extra declarations into the namespace. (gen_namespace_die): Generate DW_TAG_module for D. (gen_decl_die): Handle CONST_DECLSs for D. (dwarf2out_decl): Likewise. (prune_unused_types_walk_local_classes): Handle DW_tag_interface_type. (prune_unused_types_walk): Handle DW_tag_interface_type same as other kinds of aggregates. * gcc.c (default_compilers): Add entries for .d, .dd and .di. * genhooks.c: Include d/d-target.def. 2018-10-28 Iain Sandoe PR target/85669 * config/rs6000/darwin.h (STACK_BOUNDARY): New. (RS6000_STARTING_FRAME_OFFSET): Adjust to preserve 16byte alignment. (STACK_DYNAMIC_OFFSET): Likewise. 2018-10-27 Sandra Loosemore PR target/80024 * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Fix error message. 2018-10-26 Tulio Magno Quites Machado Filho * doc/extend.texi (PowerPC builtins): Fix __builtin_unpack_ibm128 return type and other typos. 2018-10-26 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_strncmp_gpr_sequence): Change to a shorter sequence with fewer branches. (emit_final_str_compare_gpr): Ditto. 2018-10-26 Paul A. Clarke * config/rs6000/tmmintrin.h: New file. * config.gcc (powerpc*-*-*): Add tmmintrin.h to extra_headers. 2018-10-26 Paul A. Clarke * config/rs6000/mmintrin.h: Enable 32bit compilation. * config/rs6000/xmmintrin.h: Likewise. 2018-10-26 Paul A. Clarke * config/rs6000/xmmintrin.h (_mm_extract_pi16): Fix for big-endian. 2018-10-26 Richard Biener * tree-vect-slp.c (vect_mark_slp_stmts): Add visited hash_set and wrapper. (vect_mark_slp_stmts_relevant): Likewise. (vect_detect_hybrid_slp_stmts): Likewise. (vect_bb_slp_scalar_cost): Likewise. (vect_remove_slp_scalar_calls): Likewise. 2018-10-26 Jan Hubicka * ipa-devirt.c (odr_subtypes_equivalent_p): Fix recursion. (warn_types_mismatch): Fix walk of DECL_NAME. (odr_types_equivalent_p): Fix overactive assert. 2018-10-26 Richard Biener PR tree-optimization/87105 * tree-vectorizer.h (_slp_tree::refcnt): New member. * tree-vect-slp.c (vect_free_slp_tree): Decrement and honor refcnt. (vect_create_new_slp_node): Initialize refcnt to one. (bst_traits): Move. (scalar_stmts_set_t, bst_fail): Remove. (vect_build_slp_tree_2): Add bst_map argument and adjust calls. (vect_build_slp_tree): Add bst_map argument and lookup already created SLP nodes. (vect_print_slp_tree): Handle a SLP graph, print SLP node addresses. (vect_slp_rearrange_stmts): Handle a SLP graph. (vect_analyze_slp_instance): Adjust and free SLP nodes from the CSE map. Fix indenting. (vect_schedule_slp_instance): Add short-cut. 2018-10-26 Martin Liska PR testsuite/86158 * ipa-prop.c (struct ipa_vr_ggc_hash_traits): Hash with addr_expr and not with pointers. 2018-10-26 Jan Hubicka * tree.c (free_lang_data_in_type): Only check main variants. * ipa-devirt.c (warn_odr): Make static. (types_same_for_odr): Drop strict variant. (types_odr_comparable): Likewise. (odr_or_derived_type_p): Look for main variants. (odr_name_hasher::equal): Cleanup comment. (odr_subtypes_equivalent): Add warn and warned arguments; check main variants. (type_variants_equivalent_p): break out from ... (odr_types_equivalent): ... here; go for main variants where needed. (warn_odr): ... here; turn static. (warn_types_mismatch): Compare mangled names of main variants. * ipa-utils.h (types_odr_comparable): Drop strict parameter. (type_with_linkage_p): Sanity check that we look at main variant. * lto.c (lto_read_decls): Only consider main variant to be ODR type. * tree.h (types_same_for_odr): Drop strict argument. 2018-10-26 Richard Biener PR tree-optimization/87746 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Simplify and fix WRT strided store groups with size not equal to step in element count. (vect_analyze_group_access_1): Dump the whole group. 2018-10-25 Carl Love * config/rs6000/rs6000-c.c (P9V_BUILTIN_VEC_VSCEDPGT, P9V_BUILTIN_VEC_VSCEDPLT, P9V_BUILTIN_VEC_VSCEDPEQ, P9V_BUILTIN_VEC_VSCEDPUO): Rename base overloaded name. Add quad precicion entry for each overloaded builtin. * config/rs6000/rs6000-builtin.def (VSCEDPGT, VSCEDPLT, VSCEDPEQ, VSCEDPUO): Rename overloaded name. (VSCEDPGT, VSCEQPGT, VSCEDPLT, VSCEQPLT, VSCEDPEQ, VSCEQPEQ, VSCEDPUO, VSCEQPUO): Add defitions for overloaded builtins. * config/rs6000/vsx.md (xscmpexpqp__): Add define_expand for xscmpexqp instruction. (*xscmpexpqp): Add define_insn for the xscmpexqp instruction. 2018-10-25 Bill Schmidt Jinsong Ji * config/rs6000/emmintrin.h (_mm_slli_epi16): Replace deprecated function with vec_sl. (_mm_slli_epi32): Likewise. (_mm_slli_epi64): Likewise. (_mm_srai_epi16): Replace deprecated function with vec_sra. (_mm_srai_epi32): Likewise. (_mm_srli_epi16): Replace deprecated function with vec_sr. (_mm_srli_epi32): Likewise. (_mm_srli_epi64): Likewise. (_mm_sll_epi16): Replace deprecated function with vec_sl. (_mm_sll_epi32): Likewise. (_mm_sll_epi64): Likewise. (_mm_sra_epi16): Replace deprecated function with vec_sra. (_mm_sra_epi32): Likewise. (_mm_srl_epi16): Replace deprecated function with vec_sr. (_mm_srl_epi32): Likewise. (_mm_srl_epi64): Likewise. 2018-10-25 Bill Schmidt Jinsong Ji * gcc/config/rs6000/emmintrin.h (_mm_sll_epi16): Replace comparison operators with vec_cmp* for compatibility due to unfortunate history; clean up formatting and use types more appropriately. (_mm_sll_epi32): Likewise. (_mm_sll_epi64): Likewise. (_mm_srl_epi16): Likewise. (_mm_srl_epi32): Likewise. (_mm_srl_epi64): Likewise. 2018-10-25 Bill Schmidt Jinsong Ji * config/rs6000/emmintrin.h (_mm_sll_epi64): Remove wrong cast. * config/rs6000/xmmintrin.h (_mm_min_ps): Change m's type to __vector __bool int. Use vec_cmpgt in preference to deprecated function vec_vcmpgtfp. (_mm_max_ps): Likewise. 2018-10-25 Jeff Law * config/rl78/rl78.c (insn_ok_now): Always re-recognize the insn if returning false. 2018-10-25 Martin Sebor * doc/extend.texi (aligned): Expand attribute description. (Alignment): Rename section. Discuss function arguments. 2018-10-25 Jan Hubicka * ipa-devirt.c (main_odr_variant): Remove. (hash_odr_name, types_same_for_odr, types_odr_comparable, odr_name_hasher::equal, odr_subtypes_equivalent_p): Drop use of main_odr_variant. (add_type_duplicate): Silence confused warnings on integer types. (get_odr_type): Always look for main variant. (register_odr_type): Simplify. 2018-10-25 Richard Biener * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Initialize ng to silence error with release checking bootstrap. 2018-10-25 Richard Biener * tree-if-conv.c: Include tree-ssa-sccvn.h. (tree_if_conversion): Run CSE on the if-converted loop body. 2018-10-25 Ilya Leoshkevich * config/s390/constraints.md (ZL): New constraint. * config/s390/s390.c (legitimate_pic_operand_p): Accept LARL operands. * config/s390/s390.md (movdi_larl): Remove. (movdi_64): Add the LARL alternative. 2018-10-25 Ilya Leoshkevich PR bootstrap/87747 * rtl.c (RTX_CODE_HWINT_P_1): New helper macro. (RTX_CODE_HWINT_P): New macro. (rtx_code_size): Use RTX_CODE_HWINT_P (). 2018-10-25 Jan Hubicka * ipa-devirt.c (odr_types_equivalent_p): Do not ICE if one of types is anonymous. 2018-10-25 Richard Biener PR tree-optimization/87665 PR tree-optimization/87745 * tree-vectorizer.h (get_earlier_stmt): Remove. (get_later_stmt): Pick up UID from the original non-pattern stmt. 2018-10-25 Sam Tebbs * options.texi (Deprecated): Move list to Var section. 2018-10-24 Bill Schmidt Jinsong Ji * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Change deprecated __vector long to __vector long long. (_mm_cvtpd_ps): Likewise. (_mm_cvttpd_epi32): Likewise. (_mm_cvtpi32_pd): Likewise. (_mm_unpackhi_epi64): Likewise. (_mm_unpacklo_epi64): Likewise. 2018-10-24 Segher Boessenkool PR rtl-optimization/87720 * combine.c (make_more_copies): Skip if the dest is pc_rtx. 2018-10-24 Alexandre Oliva * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Do not change code if the pass is running for warnings only. (find_explicit_erroneous_behavior): Likewise. 2018-10-24 Michael Meissner * config/rs6000/rs6000.c (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define as rs6000_mangle_decl_assembler_name. (rs6000_mangle_decl_assembler_name): If the user switched from IBM long double to IEEE long double, switch the names of the long double built-in functions to be f128 instead of l. 2018-10-24 Martin Sebor * doc/extend.texi (nonnull): List no-argument form. Reference -fno-delete-null-pointer-checks and -fisolate-erroneous-paths-attribute. 2018-10-24 Richard Biener * tree-ssa-sccvn.c (do_rpo_vn): Free rpo_state. 2018-10-24 Martin Liska PR tree-optimization/84436 * tree-switch-conversion.c (switch_conversion::contains_same_values_p): Remove. (switch_conversion::contains_linear_function_p): New. (switch_conversion::build_one_array): Support linear transformation on input. * tree-switch-conversion.h (struct switch_conversion): Add contains_linear_function_p declaration. 2018-10-24 Richard Biener * varasm.c (const_hash_1): Return hash of ADDR_EXPR if its argument is CONSTANT_CLASS_P. 2018-10-11 Jan Hubicka * ipa-utils.h (type_with_linkage_p): No longer check for TYPE_STUB_DECL; it is wrong for forward declarations. 2018-10-24 Ilya Leoshkevich * config/s390/s390.c (s390_check_qrst_address): Add the missing SYMBOL_REF_P () check. 2018-10-24 Richard Biener PR tree-optimization/87105 * tree-vect-data-refs.c (vect_analyze_group_access_1): Adjust dump classification. (vect_analyze_data_ref_accesses): Handle duplicate loads and stores by splitting the affected group after the fact. * tree-vect-slp.c (vect_build_slp_tree_2): Dump when we fail the SLP build because of size constraints. 2018-10-24 Rainer Orth * configure.ac (gcc_cv_ld_aligned_shf_merge): New test. * configure: Regenerate. * config.in: Regenerate. * varasm.c (mergeable_string_section): Use readonly_data_section if linker doesn't support SHF_MERGE with alignment > 8. (mergeable_constant_section): Likewise. 2018-10-24 Richard Biener PR tree-optimization/84013 * tree-ssa-structalias.c (struct msdi_data): New struct for marshalling data to walk_stmt_load_store_ops. (maybe_set_dependence_info): Refactor as callback for walk_stmt_load_store_ops. (compute_dependence_clique): Set restrict info on all stmt kinds. 2018-10-24 Martin Liska * cgraph.c (cgraph_node::dump): Remove reduntant dumps and make tp_first_run dump more compact. 2018-10-24 Richard Biener PR tree-optimization/87665 * tree-vect-data-refs.c (vect_preserves_scalar_order_p): Adjust to reflect reality. 2018-10-12 Jeff Law * config/h8300/h8300.c (h8300_expand_prologue): Fix stm generation for H8/S. 2018-10-23 Richard Biener * tree-vrp.c (add_assert_info): Guard dump_printf with dump_enabled_p. * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::record_ranges_from_incoming_edge): Use value_range::ignore_equivs_equal_p. 2018-10-23 Richard Biener PR tree-optimization/87105 PR tree-optimization/87608 * passes.def (pass_all_early_optimizations): Add early phi-opt after dce. * tree-ssa-phiopt.c (value_replacement): Ignore NOPs and predicts in addition to debug stmts. (tree_ssa_phiopt_worker): Add early_p argument, do only min/max and abs replacement early. * tree-cfg.c (gimple_empty_block_p): Likewise. 2018-10-23 Richard Earnshaw PR target/86383 * config.gcc (arm*-*-netbsdelf*): Default to StrongARM if no CPU specified to configure. (arm*-*-*): Use ARM7TDMI as the target CPU if no default provided. 2018-10-23 Richard Biener PR tree-optimization/87700 * tree-ssa-copy.c (set_copy_of_val): Fix change detection logic. 2018-10-23 Jakub Jelinek PR target/87674 * config/i386/avx512vlintrin.h (_mm_mask_mullo_epi32): Change type of second argument from __mmask16 to __mmask8. * config/i386/avx512vlbwintrin.h (_mm_mask_packus_epi32, _mm_mask_packs_epi32): Likewise. * config/i386/avx512pfintrin.h (_mm512_mask_prefetch_i64scatter_ps): Likewise. (_mm512_mask_prefetch_i64scatter_pd): Likewise. Formatting fix. 2018-10-23 Richard Biener * tree-vect-stmts.c (vect_analyze_stmt): Fix typo in comment. 2018-10-23 Richard Biener PR tree-optimization/86144 * tree-vect-stmts.c (vect_analyze_stmt): Prefer -mveclibabi over simd attribute. 2018-10-23 Richard Biener PR tree-optimization/87693 * tree-ssa-threadedge.c (thread_around_empty_blocks): Handle the case we do not find the taken edge. 2018-10-22 Bill Schmidt Jinsong Ji * config/rs6000/emmintrin.h (_MM_SHUFFLE2): Comment cleanup. (_mm_store_pd): Use unaligned vector type for pointer cast. (_mm_maskmoveu_si128): Likewise. * config/rs6000/xmmintrin.h (__m128_u): New typedef. (_mm_store_ps): Use unaligned vector type for pointer cast. 2018-10-22 Paul Koning * symtab.c (symtab_node::increase_alignment): Correct max alignment check. 2018-10-22 Yury Gribov PR tree-optimization/87633 * match.pd: Do not generate unordered integer comparisons. 2018-10-22 Segher Boessenkool PR rtl-optimization/87600 * combine.c: Add include of expr.h. (cant_combine_insn_p): Do not combine moves from any hard non-fixed register to a pseudo. (make_more_copies): New function, add a copy to a new pseudo after the moves from hard registers into pseudos. (rest_of_handle_combine): Declare rebuild_jump_labels_after_combine later. Call make_more_copies. 2018-10-22 Andrew Stubbs * lra-constraints.c (process_alt_operands): New local array, matching_early_clobber. Check matching_early_clobber before decrementing reject, and set matching_early_clobber after. 2018-10-22 Segher Boessenkool PR target/87598 * config/rs6000/rs6000.c (print_operand_address): For unexpected RTL call output_addr_const and hope for the best. 2018-10-22 Richard Biener * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::record_ranges_from_incoming_edge): Be smarter about what ranges to use. * tree-vrp.c (add_assert_info): Dump here. (register_edge_assert_for_2): Instead of here at multiple but not all places. * gcc.dg/tree-ssa/evrp12.c: New testcase. * gcc.dg/predict-6.c: Adjust. * gcc.dg/tree-ssa/vrp33.c: Disable EVRP. * gcc.dg/tree-ssa/vrp02.c: Likewise. * gcc.dg/tree-ssa/cunroll-9.c: Likewise. 2018-10-22 Steven Bosscher Richard Biener * bitmap.h: Update data structure documentation, including a description of bitmap views as either linked-lists or splay trees. (struct bitmap_element_def): Update comments for splay tree bitmaps. (struct bitmap_head_def): Likewise. (bitmap_list_view, bitmap_tree_view): New prototypes. (bitmap_initialize_stat): Initialize a bitmap_head's indx and tree_form fields. (bmp_iter_set_init): Assert the iterated bitmaps are in list form. (bmp_iter_and_init, bmp_iter_and_compl_init): Likewise. * bitmap.c (bitmap_elem_to_freelist): Unregister overhead of a released bitmap element here. (bitmap_element_free): Remove. (bitmap_elt_clear_from): Work on splay tree bitmaps. (bitmap_list_link_element): Renamed from bitmap_element_link. Move this function similar ones such that linked-list bitmap implementation functions are grouped. (bitmap_list_unlink_element): Renamed from bitmap_element_unlink, and moved for grouping. (bitmap_list_insert_element_after): Renamed from bitmap_elt_insert_after, and moved for grouping. (bitmap_list_find_element): New function spliced from bitmap_find_bit. (bitmap_tree_link_left, bitmap_tree_link_right, bitmap_tree_rotate_left, bitmap_tree_rotate_right, bitmap_tree_splay, bitmap_tree_link_element, bitmap_tree_unlink_element, bitmap_tree_find_element): New functions for splay-tree bitmap implementation. (bitmap_element_link, bitmap_element_unlink, bitmap_elt_insert_after): Renamed and moved, see above entries. (bitmap_tree_listify_from): New function to convert part of a splay tree bitmap to a linked-list bitmap. (bitmap_list_view): Convert a splay tree bitmap to linked-list form. (bitmap_tree_view): Convert a linked-list bitmap to splay tree form. (bitmap_find_bit): Remove. (bitmap_clear, bitmap_clear_bit, bitmap_set_bit, bitmap_single_bit_set_p, bitmap_first_set_bit, bitmap_last_set_bit): Handle splay tree bitmaps. (bitmap_copy, bitmap_count_bits, bitmap_and, bitmap_and_into, bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into, bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior, bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p, bitmap_intersect_p, bitmap_intersect_compl_p, bitmap_ior_and_compl, bitmap_ior_and_compl_into, bitmap_set_range, bitmap_clear_range, bitmap_hash): Reject trying to act on splay tree bitmaps. Make corresponding changes to use linked-list specific bitmap_element manipulation functions as applicable for efficiency. (bitmap_tree_to_vec): New function. (debug_bitmap_elt_file): New function split out from ... (debug_bitmap_file): ... here. Handle splay tree bitmaps. (bitmap_print): Likewise. PR tree-optimization/63155 * tree-ssa-propagate.c (ssa_prop_init): Use tree-view for the SSA edge worklists. * tree-ssa-coalesce.c (coalesce_ssa_name): Populate used_in_copies in tree-view. 2018-10-22 Martin Liska PR tree-optimization/87686 Revert 2018-08-29 Martin Liska * tree-switch-conversion.c (switch_conversion::expand): Strenghten assumption about gswitch statements. 2018-10-22 Martin Liska * ipa-icf.c (sem_item::compare_attributes): Remove. (sem_item::compare_referenced_symbol_properties): Use attribute_list_equal instead. (sem_function::equals_wpa): Likewise. * ipa-icf.h: Remove compare_attributes. 2018-10-22 Richard Biener PR middle-end/87682 * mem-stats.h (mem_usage::operator==): Fix pasto. 2018-10-22 Richard Biener PR tree-optimization/87640 * tree-vrp.c (set_value_range_with_overflow): Decompose incomplete result. (extract_range_from_binary_expr_1): Adjust. 2018-10-22 Martin Jambor * tree-eh.h (stmt_could_throw_p): Add function parameter. (stmt_can_throw_external): Likewise. (stmt_can_throw_internal): Likewise. * tree-eh.c (lower_eh_constructs_2): Pass cfun to stmt_could_throw_p. (lower_eh_constructs_2): Likewise. (stmt_could_throw_p): Add fun parameter, use it instead of cfun. (stmt_can_throw_external): Likewise. (stmt_can_throw_internal): Likewise. (maybe_clean_eh_stmt_fn): Pass cfun to stmt_could_throw_p. (maybe_clean_or_replace_eh_stmt): Pass cfun to stmt_could_throw_p. (maybe_duplicate_eh_stmt_fn): Pass new_fun to stmt_could_throw_p. (maybe_duplicate_eh_stmt): Pass cfun to stmt_could_throw_p. (pass_lower_eh_dispatch::execute): Pass cfun to stmt_can_throw_external. (cleanup_empty_eh): Likewise. (verify_eh_edges): Pass cfun to stmt_could_throw_p. * cgraph.c (cgraph_edge::set_call_stmt): Pass a function to stmt_can_throw_external instead of pushing it to cfun. (symbol_table::create_edge): Likewise. * gimple-fold.c (fold_builtin_atomic_compare_exchange): Pass cfun to stmt_can_throw_internal. * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Pass cfun to stmt_could_throw_p. * gimple-ssa-store-merging.c (handled_load): Pass cfun to stmt_can_throw_internal. (pass_store_merging::execute): Likewise. * gimple-ssa-strength-reduction.c (find_candidates_dom_walker::before_dom_children): Pass cfun to stmt_could_throw_p. * gimplify-me.c (gimple_regimplify_operands): Pass cfun to stmt_can_throw_internal. * ipa-pure-const.c (check_call): Pass cfun to stmt_could_throw_p and to stmt_can_throw_external. (check_stmt): Pass cfun to stmt_could_throw_p. (check_stmt): Pass cfun to stmt_can_throw_external. (pass_nothrow::execute): Likewise. * trans-mem.c (expand_call_tm): Pass cfun to stmt_can_throw_internal. * tree-cfg.c (is_ctrl_altering_stmt): Pass cfun to stmt_can_throw_internal. (verify_gimple_in_cfg): Pass cfun to stmt_could_throw_p. (stmt_can_terminate_bb_p): Pass cfun to stmt_can_throw_external. (gimple_purge_dead_eh_edges): Pass cfun to stmt_can_throw_internal. * tree-complex.c (expand_complex_libcall): Pass cfun to stmt_could_throw_p and to stmt_can_throw_internal. (expand_complex_multiplication): Pass cfun to stmt_can_throw_internal. * tree-inline.c (copy_edges_for_bb): Likewise. (maybe_move_debug_stmts_to_successors): Likewise. * tree-outof-ssa.c (ssa_is_replaceable_p): Pass cfun to stmt_could_throw_p. * tree-parloops.c (oacc_entry_exit_ok_1): Likewise. * tree-sra.c (scan_function): Pass cfun to stmt_can_throw_external. * tree-ssa-alias.c (stmt_kills_ref_p): Pass cfun to stmt_can_throw_internal. * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Likewise. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Pass cfun to stmt_could_throw_p. (mark_aliased_reaching_defs_necessary_1): Pass cfun to stmt_can_throw_internal. * tree-ssa-forwprop.c (pass_forwprop::execute): Likewise. * tree-ssa-loop-im.c (movement_possibility): Pass cfun to stmt_could_throw_p. * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Likewise. (add_autoinc_candidates): Pass cfun to stmt_can_throw_internal. * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise. (convert_mult_to_fma_1): Likewise. (convert_to_divmod): Likewise. * tree-ssa-phiprop.c (propagate_with_phi): Likewise. * tree-ssa-pre.c (compute_avail): Pass cfun to stmt_could_throw_p. * tree-ssa-propagate.c (substitute_and_fold_dom_walker::before_dom_children): Likewise. * tree-ssa-reassoc.c (suitable_cond_bb): Likewise. (maybe_optimize_range_tests): Likewise. (linearize_expr_tree): Likewise. (reassociate_bb): Likewise. * tree-ssa-sccvn.c (copy_reference_ops_from_call): Likewise. * tree-ssa-scopedtables.c (hashable_expr_equal_p): Likewise. * tree-ssa-strlen.c (adjust_last_stmt): Likewise. (handle_char_store): Likewise. * tree-vect-data-refs.c (vect_find_stmt_data_reference): Pass cfun to stmt_can_throw_internal. * tree-vect-patterns.c (check_bool_pattern): Pass cfun to stmt_could_throw_p. * tree-vect-stmts.c (vect_finish_stmt_generation_1): Likewise. (vectorizable_call): Pass cfun to stmt_can_throw_internal. (vectorizable_simd_clone_call): Likewise. * value-prof.c (gimple_ic): Pass cfun to stmt_could_throw_p. (gimple_stringop_fixed_value): Likewise. 2018-10-22 Ilya Leoshkevich * config/s390/s390.c (s390_loadrelative_operand_p): Accept literal pool references. (s390_check_qrst_address): Adapt to the new behavior of s390_loadrelative_operand_p (). 2018-10-22 H.J. Lu PR target/72782 * config/i386/sse.md (*andnot3_bcst): New. 2018-10-22 H.J. Lu PR target/72782 * config/i386/sse.md (*3_bcst): New. 2018-10-22 H.J. Lu PR target/72782 * config/i386/sse.md (avx512bcst): Updated for V4SI, V2DI, V8SI, V4DI, V16SI and V8DI. (*sub3_bcst): New. (*add3_bcst): Likewise. 2018-10-21 Bill Schmidt Jinsong Ji * config/rs6000/emmintrin.h (_mm_movemask_pd): Replace __vector __m64 with __vector unsigned long long for compatibility. (_mm_movemask_epi8): Likewise. * config/rs6000/xmmintrin.h (_mm_cvtps_pi32): Likewise. (_mm_cvttps_pi32): Likewise. (_mm_cvtpi32_ps): Likewise. (_mm_cvtps_pi16): Likewise. (_mm_loadh_pi): Likewise. (_mm_storeh_pi): Likewise. (_mm_movehl_ps): Likewise. (_mm_movelh_ps): Likewise. (_mm_loadl_pi): Likewise. (_mm_storel_pi): Likewise. (_mm_movemask_ps): Likewise. (_mm_shuffle_pi16): Likewise. 2018-10-21 H.J. Lu PR target/72782 * config/i386/avx512fintrin.h (_mm512_fnmsub_round_pd): Use __builtin_ia32_vfnmsubpd512_mask. (_mm512_mask_fnmsub_round_pd): Likewise. (_mm512_fnmsub_pd): Likewise. (_mm512_mask_fnmsub_pd): Likewise. (_mm512_maskz_fnmsub_round_pd): Use __builtin_ia32_vfnmsubpd512_maskz. (_mm512_maskz_fnmsub_pd): Likewise. (_mm512_fnmsub_round_ps): Use __builtin_ia32_vfnmsubps512_mask. (_mm512_mask_fnmsub_round_ps): Likewise. (_mm512_fnmsub_ps): Likewise. (_mm512_mask_fnmsub_ps): Likewise. (_mm512_maskz_fnmsub_round_ps): Use __builtin_ia32_vfnmsubps512_maskz. (_mm512_maskz_fnmsub_ps): Likewise. * config/i386/avx512vlintrin.h (_mm256_mask_fnmsub_pd): Use __builtin_ia32_vfnmsubpd256_mask. (_mm256_maskz_fnmsub_pd): Use __builtin_ia32_vfnmsubpd256_maskz. (_mm_mask_fnmsub_pd): Use __builtin_ia32_vfmaddpd128_mask (_mm_maskz_fnmsub_pd): Use __builtin_ia32_vfnmsubpd128_maskz. (_mm256_mask_fnmsub_ps): Use __builtin_ia32_vfnmsubps256_mask. (_mm256_mask_fnmsub_ps): Use __builtin_ia32_vfnmsubps256_mask. (_mm256_maskz_fnmsub_ps): Use __builtin_ia32_vfnmsubps256_maskz. (_mm_mask_fnmsub_ps): Use __builtin_ia32_vfnmsubps128_mask. (_mm_maskz_fnmsub_ps): Use __builtin_ia32_vfnmsubps128_maskz. * config/i386/fmaintrin.h (_mm_fnmsub_pd): Use __builtin_ia32_vfnmsubpd. (_mm256_fnmsub_pd): Use __builtin_ia32_vfnmsubpd256. (_mm_fnmsub_ps): Use __builtin_ia32_vfnmsubps. (_mm256_fnmsub_ps): Use __builtin_ia32_vfnmsubps256. (_mm_fnmsub_sd): Use __builtin_ia32_vfnmsubsd3. (_mm_fnmsub_ss): Use __builtin_ia32_vfnmsubss3. * config/i386/i386-builtin.def: Add __builtin_ia32_vfnmsubpd256_mask, __builtin_ia32_vfnmsubpd256_maskz, __builtin_ia32_vfnmsubpd128_mask, __builtin_ia32_vfnmsubpd128_maskz, __builtin_ia32_vfnmsubps256_mask, __builtin_ia32_vfnmsubps256_maskz, __builtin_ia32_vfnmsubps128_mask, __builtin_ia32_vfnmsubps128_maskz, __builtin_ia32_vfnmsubpd512_mask, __builtin_ia32_vfnmsubpd512_maskz, __builtin_ia32_vfnmsubps512_mask, __builtin_ia32_vfnmsubps512_maskz, __builtin_ia32_vfnmsubss3, __builtin_ia32_vfnmsubsd3, __builtin_ia32_vfnmsubps, __builtin_ia32_vfnmsubpd, __builtin_ia32_vfnmsubps256 and. __builtin_ia32_vfnmsubpd256. * config/i386/sse.md (fma4i_fnmsub_): New. (_fnmsub__maskz): Likewise. (*fma_fnmsub__bcst_1): Likewise. (*fma_fnmsub__bcst_2): Likewise. (*fma_fnmsub__bcst_3): Likewise. (fmai_vmfnmsub_): Likewise. 2018-10-21 H.J. Lu PR target/72782 * config/i386/avx512fintrin.h (_mm512_fnmadd_round_pd): Use __builtin_ia32_vfnmaddpd512_mask. (_mm512_mask_fnmadd_round_pd): Likewise. (_mm512_fnmadd_pd): Likewise. (_mm512_mask_fnmadd_pd): Likewise. (_mm512_maskz_fnmadd_round_pd): Use __builtin_ia32_vfnmaddpd512_maskz. (_mm512_maskz_fnmadd_pd): Likewise. (_mm512_fnmadd_round_ps): Use __builtin_ia32_vfnmaddps512_mask. (_mm512_mask_fnmadd_round_ps): Likewise. (_mm512_fnmadd_ps): Likewise. (_mm512_mask_fnmadd_ps): Likewise. (_mm512_maskz_fnmadd_round_ps): Use __builtin_ia32_vfnmaddps512_maskz. (_mm512_maskz_fnmadd_ps): Likewise. * config/i386/avx512vlintrin.h (_mm256_mask_fnmadd_pd): Use __builtin_ia32_vfnmaddpd256_mask. (_mm256_maskz_fnmadd_pd): Use __builtin_ia32_vfnmaddpd256_maskz. (_mm_mask_fnmadd_pd): Use __builtin_ia32_vfmaddpd128_mask (_mm_maskz_fnmadd_pd): Use __builtin_ia32_vfnmaddpd128_maskz. (_mm256_mask_fnmadd_ps): Use __builtin_ia32_vfnmaddps256_mask. (_mm256_mask_fnmadd_ps): Use __builtin_ia32_vfnmaddps256_mask. (_mm256_maskz_fnmadd_ps): Use __builtin_ia32_vfnmaddps256_maskz. (_mm_mask_fnmadd_ps): Use __builtin_ia32_vfnmaddps128_mask. (_mm_maskz_fnmadd_ps): Use __builtin_ia32_vfnmaddps128_maskz. * config/i386/fmaintrin.h (_mm_fnmadd_pd): Use __builtin_ia32_vfnmaddpd. (_mm256_fnmadd_pd): Use __builtin_ia32_vfnmaddpd256. (_mm_fnmadd_ps): Use __builtin_ia32_vfnmaddps. (_mm256_fnmadd_ps): Use __builtin_ia32_vfnmaddps256. (_mm_fnmadd_sd): Use __builtin_ia32_vfnmaddsd3. (_mm_fnmadd_ss): Use __builtin_ia32_vfnmaddss3. * config/i386/i386-builtin.def: Add __builtin_ia32_vfnmaddpd256_mask, __builtin_ia32_vfnmaddpd256_maskz, __builtin_ia32_vfnmaddpd128_mask, __builtin_ia32_vfnmaddpd128_maskz, __builtin_ia32_vfnmaddps256_mask, __builtin_ia32_vfnmaddps256_maskz, __builtin_ia32_vfnmaddps128_mask, __builtin_ia32_vfnmaddps128_maskz, __builtin_ia32_vfnmaddpd512_mask, __builtin_ia32_vfnmaddpd512_maskz, __builtin_ia32_vfnmaddps512_mask, __builtin_ia32_vfnmaddps512_maskz, __builtin_ia32_vfnmaddss3, __builtin_ia32_vfnmaddsd3, __builtin_ia32_vfnmaddps, __builtin_ia32_vfnmaddpd, __builtin_ia32_vfnmaddps256 and. __builtin_ia32_vfnmaddpd256. * config/i386/sse.md (fma4i_fnmadd_): New. (_fnmadd__maskz): Likewise. (*fma_fnmadd__bcst_1): Likewise. (*fma_fnmadd__bcst_2): Likewise. (*fma_fnmadd__bcst_3): Likewise. (fmai_vmfnmadd_): Likewise. 2018-10-21 H.J. Lu PR target/72782 * config/i386/avx512fintrin.h (_mm512_fmsub_round_pd): Use __builtin_ia32_vfmsubpd512_mask. (_mm512_mask_fmsub_round_pd): Likewise. (_mm512_fmsub_pd): Likewise. (_mm512_mask_fmsub_pd): Likewise. (_mm512_maskz_fmsub_round_pd): Use __builtin_ia32_vfmsubpd512_maskz. (_mm512_maskz_fmsub_pd): Likewise. (_mm512_fmsub_round_ps): Use __builtin_ia32_vfmsubps512_mask. (_mm512_mask_fmsub_round_ps): Likewise. (_mm512_fmsub_ps): Likewise. (_mm512_mask_fmsub_ps): Likewise. (_mm512_maskz_fmsub_round_ps): Use __builtin_ia32_vfmsubps512_maskz. (_mm512_maskz_fmsub_ps): Likewise. * config/i386/avx512vlintrin.h (_mm256_mask_fmsub_pd): Use __builtin_ia32_vfmsubpd256_mask. (_mm256_maskz_fmsub_pd): Use __builtin_ia32_vfmsubpd256_maskz. (_mm_mask_fmsub_pd): Use __builtin_ia32_vfmaddpd128_mask (_mm_maskz_fmsub_pd): Use __builtin_ia32_vfmsubpd128_maskz. (_mm256_mask_fmsub_ps): Use __builtin_ia32_vfmsubps256_mask. (_mm256_mask_fmsub_ps): Use __builtin_ia32_vfmsubps256_mask. (_mm256_maskz_fmsub_ps): Use __builtin_ia32_vfmsubps256_maskz. (_mm_mask_fmsub_ps): Use __builtin_ia32_vfmsubps128_mask. (_mm_maskz_fmsub_ps): Use __builtin_ia32_vfmsubps128_maskz. * config/i386/fmaintrin.h (_mm_fmsub_pd): Use __builtin_ia32_vfmsubpd. (_mm256_fmsub_pd): Use __builtin_ia32_vfmsubpd256. (_mm_fmsub_ps): Use __builtin_ia32_vfmsubps. (_mm256_fmsub_ps): Use __builtin_ia32_vfmsubps256. (_mm_fmsub_sd): Use __builtin_ia32_vfmsubsd3. (_mm_fmsub_ss): Use __builtin_ia32_vfmsubss3. * config/i386/i386-builtin.def: Add __builtin_ia32_vfmsubpd256_mask, __builtin_ia32_vfmsubpd256_maskz, __builtin_ia32_vfmsubpd128_mask, __builtin_ia32_vfmsubpd128_maskz, __builtin_ia32_vfmsubps256_mask, __builtin_ia32_vfmsubps256_maskz, __builtin_ia32_vfmsubps128_mask, __builtin_ia32_vfmsubps128_maskz, __builtin_ia32_vfmsubpd512_mask, __builtin_ia32_vfmsubpd512_maskz, __builtin_ia32_vfmsubps512_mask, __builtin_ia32_vfmsubps512_maskz, __builtin_ia32_vfmsubss3, __builtin_ia32_vfmsubsd3, __builtin_ia32_vfmsubps, __builtin_ia32_vfmsubpd, __builtin_ia32_vfmsubps256 and. __builtin_ia32_vfmsubpd256. * config/i386/sse.md (fma4i_fmsub_): New. (_fmsub__maskz): Likewise. (*fma_fmsub__bcst_1): Likewise. (*fma_fmsub__bcst_2): Likewise. (*fma_fmsub__bcst_3): Likewise. (fmai_vmfmsub_): Likewise. 2018-10-21 H.J. Lu * config/i386/sse.md (*3_bcst_1): Remove plus. Renamed to ... (*sub3_bcst): This. (*add3_bcst_2): Renamede to ... (*add3_bcst): This. 2018-10-21 H.J. Lu PR target/72782 * config/i386/sse.md (*mul3_bcst): New. 2018-10-21 H.J. Lu PR target/87662 * i386/avx512vlintrin.h (_mm256_or_epi32): New. (_mm_or_epi32): Likewise. (_mm256_xor_epi32): Likewise. (_mm_xor_epi32): Likewise. (_mm256_or_epi64): Likewise. (_mm_or_epi64): Likewise. (_mm256_xor_epi64): Likewise. (_mm_xor_epi64): Likewise. 2018-10-20 H.J. Lu PR target/72782 * config/i386/sse.md (*_div3_bcst): New. 2018-10-20 Jakub Jelinek PR middle-end/87647 * varasm.c (decode_addr_const): Handle COMPOUND_LITERAL_EXPR. 2018-10-20 Andreas Schwab * doc/ux.texi: Move @section directly after @node. 2018-10-19 Jakub Jelinek PR middle-end/85488 PR middle-end/87649 * omp-low.c (check_omp_nesting_restrictions): Diagnose ordered without depend closely nested inside of loop with ordered clause with a parameter. 2018-10-19 David Malcolm * Makefile.in (TEXI_GCCINT_FILES): Add ux.texi. * doc/gccint.texi: Include ux.texi and use it in top-level menu. * doc/ux.texi: New file. 2018-10-19 Segher Boessenkool * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Move 68 (that is, CR0) to be the first CR field allocated. 2018-10-19 Richard Biener PR target/87657 * config/i386/i386.c (ix86_builtin_vectorization_cost): Use TYPE_VECTOR_SUBPARTS and avoid relying on vector mode. 2018-10-19 H.J. Lu PR target/72782 * config/i386/sse.md (*3_bcst_1): New. (*add3_bcst_2): Likewise. 2018-10-19 H.J. Lu * config/i386/sse.md (*fma_fmadd__bcst_1): Replace nonimmediate_operand with register_operand. (*fma_fmadd__bcst_2): Likewise. (*fma_fmadd__bcst_3): Likewise. 2018-10-19 Ilya Leoshkevich PR rtl-optimization/87596 * lra-constraints.c (spill_hard_reg_in_range): Use INSN_P () + lra_get_insn_recog_data () instead of lra_insn_recog_data[] for instructions in FROM..TO range. 2018-10-19 Eric Botcazou * cfgexpand.c (expand_one_var): Use specific wording in error message for non-local frame variables. * stor-layout.c (layout_decl): Do not issue a warning for them. 2018-10-19 Robin Dapp * haifa-sched.c (priority): Add force_recompute parameter. (apply_replacement): Call priority () with force_recompute = true. (restore_pattern): Likewise. 2018-10-18 H.J. Lu * simplify-rtx.c (simplify_subreg): Limit mask of vec_merge to HOST_BITS_PER_WIDE_INT. (test_vector_ops_duplicate): Likewise. 2018-10-18 H.J. Lu PR target/72782 * config/i386/sse.md (VF_AVX512): New. (avx512bcst): Likewise. (*fma_fmadd__bcst_1): Likewise. (*fma_fmadd__bcst_2): Likewise. (*fma_fmadd__bcst_3): Likewise. 2018-10-18 Jonathan Wakely * doc/invoke.texi (-dumpversion): Improve grammar. (-dumpfullversion): Make more consistent with -dumpversion. 2018-10-18 Uros Bizjak * config/i386/i386.c (ix86_emit_fp_unordered_jump): Set JUMP_LABEL to the jump insn. (ix86_emit_i387_log1p): Use ix86_expand_branch to expand branch. Predict emitted jump and add label to jump insn. 2018-10-18 David Malcolm PR tree-optimization/87562 * input.c (get_substring_ranges_for_loc): Use LRK_SPELLING_LOCATION rather than LRK_MACRO_EXPANSION_POINT when getting the linemap for the endpoint. Verify that it's either in the same linemap as the start point's spelling location, or at least in the same file. 2018-10-18 Richard Biener * config/i386/i386.c (ix86_builtin_vectorization_cost): Do not feed width-specific load/store costs through ix86_vec_cost. * config/i386/x86-tune-costs.h (athlon_cost): Adjust. (k8_cost): Likewise. (bdver_cost): Likewise. (znver1_cost): Likewise. (btver1_cost): Likewise. (btver2_cost): Likewise. 2018-10-18 H.J. Lu * simplify-rtx.c (simplify_subreg): Call simplify_gen_subreg to simplify subreg of vec_merge. 2018-10-18 Richard Biener * config/i386/i386.c: Fix costing of vector FMA. 2018-10-18 Richard Biener * config/i386/i386.c (ix86_vec_cost): Remove !parallel path and argument. (ix86_builtin_vectorization_cost): For vec_construct properly cost insertion into SSE regs. (...): Adjust calls to ix86_vec_cost. 2018-10-18 Richard Biener PR middle-end/87087 Revert 2018-02-07 Richard Biener PR tree-optimization/84204 * tree-chrec.c (chrec_fold_plus_1): Remove size limiting in this place. 2018-10-18 H.J. Lu PR target/87537 * simplify-rtx.c (simplify_subreg): Simplify subreg of vec_merge of vec_duplicate. (test_vector_ops_duplicate): Add test for a scalar subreg of a VEC_MERGE of a VEC_DUPLICATE. 2018-10-17 Joseph Myers * doc/cpp.texi (__STDC_VERSION__): Document C2X handling. * doc/invoke.texi (-std=c2x, -std=gnu2x): Document new options. * doc/standards.texi (C Language): Document C2X. * dwarf2out.c (highest_c_language), config/rl78/rl78.c (rl78_option_override): Handle "GNU C2X" language name. 2018-10-17 Joseph Myers * doc/invoke.texi (-std=c17), doc/standards.texi (C Language): Document C17 as published in 2018. 2018-10-17 Eric Botcazou PR middle-end/87623 * fold-const.c (fold_truth_andor_1): If the right side is not constant, bail out if both sides do not have the same storage order. 2018-10-17 Aldy Hernandez * bitmap.c (bitmap_head::dump): New. * bitmap.h (bitmap_head): Add dump(). * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::try_find_new_range): Adjust for value_range API. (evrp_range_analyzer::set_ssa_range_info): Same. (evrp_range_analyzer::record_ranges_from_phis): Same. (evrp_range_analyzer::record_ranges_from_stmt): Same. * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Same. * gimple-ssa-sprintf.c (get_int_range): Same. (format_integer): Same. (sprintf_dom_walker::handle_gimple_call): Same. * ipa-cp.c (ipcp_vr_lattice::meet_with_1): Same. (ipcp_vr_lattice::top_p): Same. (ipcp_vr_lattice::bottom_p): Same. (ipcp_vr_lattice::set_to_bottom): Same. (ipa_vr_operation_and_type_effects): Same. (propagate_vr_across_jump_function): Same. (ipcp_store_vr_results): Same. * ipa-prop.c (struct ipa_vr_ggc_hash_traits): Same. (ipa_print_node_jump_functions_for_edge): Same. (ipa_get_value_range): Same. (ipa_compute_jump_functions_for_edge): Same. (ipa_write_jump_function): Same. * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Same. * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis): Same. * vr-values.c (set_value_range_to_nonnegative): Same. (set_value_range_to_truthvalue): Same. (vr_values::get_value_range): Same. (vr_values::set_defs_to_varying): Same. (vr_values::update_value_range): Same. (symbolic_range_based_on_p): Same. (vr_values::op_with_boolean_value_range_p): Same. (vr_values::extract_range_for_var_from_comparison_expr): Same. (vr_values::extract_range_from_ssa_name): Same. (vr_values::extract_range_from_binary_expr): Same. (vr_values::extract_range_from_unary_expr): Same. (vr_values::extract_range_from_cond_expr): Same. (vr_values::extract_range_from_comparison): Same. (vr_values::check_for_binary_op_overflow): Same. (vr_values::extract_range_basic): Same. (vr_values::extract_range_from_assignment): Same. (compare_ranges): Same. (compare_range_with_value): Same. (vr_values::adjust_range_with_scev): Same. (vrp_valueize): Same. (vrp_valueize_1): Same. (vr_values::get_vr_for_comparison): Same. (vr_values::compare_name_with_value): Same. (vr_values::compare_names): Same. (vr_values::vrp_evaluate_conditional): Same. (find_case_label_ranges): Same. (vr_values::vrp_visit_switch_stmt): Same. (vr_values::extract_range_from_phi_node): Same. (vr_values::simplify_div_or_mod_using_ranges): Same. (vr_values::simplify_bit_ops_using_ranges): Same. (test_for_singularity): Same. (range_fits_type_p): Same. (vr_values::simplify_cond_using_ranges_1): Same. (vr_values::simplify_switch_using_ranges): Same. (vr_values::simplify_float_conversion_using_ranges): Same. (vr_values::two_valued_val_range_p): Same. (vr_values::add_equivalence): Move to value_range::equiv_add. * vr-values.h (vr_values::add_equivalence): Remove. (VR_INITIALIZER): Remove. * tree-vrp.c (value_range::set): New. (value_range::equiv_add): New. (value_range::value_range): New. (value_range::deep_copy): New. (value_range::check): New. (value_range::equal_p): New. (value_range::ignore_equivs_equal_p): New. (value_range::operator==): New. (value_range::operator!=): New. (value_range::symbolic_p): New. (value_range::numeric_p): New. (value_range::set_undefined): New. (value_range::set_varying): New. (value_range::may_contain_p): New. (value_range::equiv_clear): New. (value_range::singleton_p): New. (value_range::intersect): New. (value_range::dump): New. (value_range::set_and_canonicalize): New. (set_value_range): Adjust for value_range API. (set_value_range_to_undefined): Same. (set_value_range_to_varying): Same. (set_and_canonicalize_value_range): Same. (set_value_range_to_nonnull): Same. (set_value_range_to_null): Same. (range_is_null): Same. (range_is_nonnull): Same. (range_int_cst_p): Same. (range_int_cst_singleton_p): Same. (symbolic_range_p): Same. (range_includes_zero_p): Same. (value_range_constant_singleton): Same. (vrp_set_zero_nonzero_bits): Same. (ranges_from_anti_range): Same. (extract_range_into_wide_ints): Same. (extract_range_from_multiplicative_op): Same. (set_value_range_with_overflow): Same. (extract_range_from_binary_expr_1): Same. (extract_range_from_unary_expr): Same. (dump_value_range): Same. (debug_value_range): Same. (vrp_prop::check_array_ref): Same. (vrp_prop::check_mem_ref): Same. (vrp_prop::vrp_initialize): Same. (vrp_prop::visit_stmt): Same. (intersect_ranges): Same. (vrp_prop::visit_phi): Same. (vrp_prop::vrp_finalize): Same. (determine_value_range_1): Same. (determine_value_range): Same. (vrp_intersect_ranges_1): Rename to... (vrp_intersect_1): this. (vrp_intersect_ranges): Rename to... (value_range::intersect_helper): ...this. (vrp_meet_1): Rename to... (value_range::union_helper): ...this. (vrp_meet): Rename to... (value_range::union_): ...this. (copy_value_range): Remove. * tree-vrp.h (struct value_range): Rewrite into a proper class. (value_range::vrtype): New. (value_range::type): New. (value_range::equiv): New. (value_range::min): New. (value_range::max): New. (value_range::varying_p): New. (value_range::undefined_p): New. (value_range::null_p): New. (value_range::equiv_add): New. (copy_value_range): Remove. 2018-10-17 David Malcolm * Makefile.in (SELFTEST_TARGETS): New. (selftest) Change from s-selftest-c to $(SELFTEST_TARGETS). (C_SELFTEST_FLAGS, C_SELFTEST_DEPS, s-selftest-c, selftest-c-gdb) (selftest-gdb, selftest-c-valgrind, selftest-valgrind): Move to c/Make-lang.in. (CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++) (selftest-c++-gdb, selftest-c++-valgrind): Move to cp/Make-lang.in. * configure: Regenerate. * configure.ac (selftest_languages): New. 2018-10-17 Aldy Hernandez * tree-vrp.c (extract_range_from_multiplicative_op): Remove overflow wraps argument. (extract_range_from_binary_expr_1): Do not pass overflow wraps to wide_int_range_multiplicative_op. * wide-int-range.cc (wide_int_range_mult_wrapping): Remove overflow wraps argument. (wide_int_range_multiplicative_op): Same. (wide_int_range_lshift): Same. (wide_int_range_div): Same. * wide-int-range.h (wide_int_range_multiplicative_op): Same. (wide_int_range_lshift): Same. (wide_int_range_div): Same. 2018-10-17 Aldy Hernandez * wide-int-range.h (wide_int_range_shift_undefined_p): Adjust to use sign as argument. * tree-vrp.c (extract_range_from_binary_expr_1): Pass sign to wide_int_range_shift_undefined_p. 2018-10-16 Kyrylo Tkachov * config/aarch64/aarch64.md (despeculate_copy): Rename to... (@despeculate_copy): ... This. * config/aarch64/aarch64.c (aarch64_speculation_safe_value): Remove switch statement. 2018-10-16 Rainer Orth * config.gcc: Obsolete *-*-solaris2.10*. * doc/install.texi (Specific, *-*-solaris2*): Document it. 2018-10-12 Jeff Law * config/ft32/ft32.md (ft32_general_movsrc_operand): Disable reg + sym +- const_int addressing modes. 2018-10-15 David Malcolm * common.opt (fdiagnostics-minimum-margin-width=): New option. * diagnostic-show-locus.c (layout::layout): Apply the minimum margin width. (layout::start_annotation_line): Only print up to 3 of the margin character, to avoid touching the left-hand side. (selftest::test_diagnostic_show_locus_fixit_lines): Update for minimum margin width, as set by test_diagnostic_context's ctor. (selftest::test_fixit_insert_containing_newline): Likewise. (selftest::test_fixit_insert_containing_newline_2): Likewise. (selftest::test_line_numbers_multiline_range): Clear dc.min_margin_width. * diagnostic.c (diagnostic_initialize): Initialize min_margin_width. * diagnostic.h (struct diagnostic_context): Add field "min_margin_width". * doc/invoke.texi: Add -fdiagnostics-minimum-margin-width=. * opts.c (common_handle_option): Handle OPT_fdiagnostics_minimum_margin_width_. * selftest-diagnostic.c (selftest::test_diagnostic_context::test_diagnostic_context): Initialize min_margin_width to 6. * toplev.c (general_init): Initialize global_dc->min_margin_width. 2018-10-15 David Malcolm * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby): Fix usage of "error_at_rich_loc" in the comment. 2018-10-15 Renlin Li PR target/87563 * tree-vectorizer.c (try_vectorize_loop_1): Don't use if-conversioned loop when it contains ifn with types not supported by backend. * internal-fn.c (expand_direct_optab_fn): Add an assert. (direct_internal_fn_supported_p): New helper function. * internal-fn.h (direct_internal_fn_supported_p): Declare. 2018-10-15 Jakub Jelinek PR target/87572 * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512F_UNSET): Remove OPTION_MASK_ISA_AVX5124FMAPS_UNSET and OPTION_MASK_ISA_AVX5124VNNIW_UNSET. 2018-10-15 Bin Cheng PR tree-optimization/87022 * tree-loop-distribution.c (pg_add_dependence_edges): Check all bits in dist vector rather than the first one. 2018-10-15 Richard Biener PR middle-end/87610 * tree-ssa-structalias.c (struct vls_data): Add escaped_p member. (visit_loadstore): When a used restrict tag escaped verify that the points-to solution of "other" pointers do not include escaped. (compute_dependence_clique): If a used restrict tag escaped communicated that down to visit_loadstore. 2018-10-15 Andreas Krebbel * config/s390/s390.c (s390_expand_vec_init): Force vector element into reg if it isn't a general operand. 2018-10-14 H.J. Lu PR target/87599 * config/i386/sse.md (*vec_dupv2di): Add register source to movddup. 2018-10-14 H.J. Lu PR target/87572 * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512IFMA_UNSET, OPTION_MASK_ISA_AVX5124FMAPS_UNSET and OPTION_MASK_ISA_AVX5124VNNIW_UNSET. 2018-10-13 Eric Botcazou * dwarf2cfi.c (struct dw_trace_info): Add args_size_defined_for_eh. (notice_args_size): Set it in the current trace if no insn that can throw internally has been seen yet. (connect_traces): When connecting args_size between traces, allow the incoming values not to match if there is an insn setting it before the first insn that can throw internally; in that case, force the creation of a CFI note on this latter insn. 2018-10-13 Jonathan Wakely * opt-problem.h (opt_wrapper): Use template-argument-list when naming the base class, because using the injected-class-name was not clearly specified until DR 176. 2018-10-12 Paul Koning * config/pdp11/pdp11.md (doloop_end): New expander. (doloop_end_insn): renamed from "doloop_end". (addqi3): New pattern. (subqi3): New pattern. * config/pdp11/predicates.md (incdec_operand): New predicate. 2018-10-12 Yury Gribov PR middle-end/81376 * real.c (format_helper::can_represent_integral_type_p): New function * real.h (format_helper::can_represent_integral_type_p): Ditto. * match.pd: New pattern. 2018-10-12 Alexandre Oliva * configure.ac: Introduce --enable-large-address-aware to define MINGW_DEFAULT_LARGE_ADDR_AWARE. * doc/install.texi: Document it. * configure, config.in: Rebuilt. * config/i386/mingw32.h (LINK_SPEC_LARGE_ADDR_AWARE): Define, based on MINGW_DEFAULT_LARGE_ADDR_AWARE. (LINK_SPEC): Insert it. * config/i386/mingw-w64.h: Likewise. * cygming.h (HAVE_GAS_ALIGNED_COMM): Fallback-define. 2018-10-12 Peter Bergner PR rtl-optimization/87600 * ira-lives (non_conflicting_reg_copy_p): Disable for non LRA targets. 2018-10-12 Paul Koning * doc/md.texi (doloop_end): Document that the pattern code may need to check operand mode. 2018-10-12 Wilco Dijkstra * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Add alternatives to zero-extend between int and floating-point registers. (load_pair_zero_extendsidi2_aarch64): Add alternative for zero-extended ldp into floating-point registers. Add type and arch attributes. (zero_extend2_aarch64): Add arch attribute. Use f_loads for type attribute. 2018-10-11 Martin Sebor * doc/extend.texi (attribute packed): Correct typos. 2018-10-11 Martin Sebor * doc/extend.texi (attribute flatten): Mention interaction with noinline. 2018-10-11 Jan Hubicka PR target/87156 * cgraphclones.c (cgraph_node::create_version_clone_with_body): Set new_decl virtual flag to zero. 2018-10-11 Martin Sebor PR middle-end/87593 * doc/extend.texi (attribute format_arg): Discuss using multiple attributes on a single function. 2018-10-11 Giuliano Belinassi PR tree-optimization/86829 * match.pd (sin (atan (x))): New simplification rules. (cos (atan (x))): Likewise. * real.c (build_sinatan_real): New function. * real.h (build_sinatan_real): Prototype. 2018-10-11 Will Schmidt * config/rs6000/rs6000.c (map_to_integral_tree_type): New helper function. (fold_mergeeo_helper): New helper function. (rs6000_gimple_fold_builtin): Add hooks for vec_mergee and vec_mergeo intrinsics. Correct some whitespace indentation issues. 2018-10-11 Wilco Dijkstra PR target/87511 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p): Use HOST_WIDE_INT_1U for shift. 2018-10-11 Doug Rupp Olivier Hainque * config/rs6000/vxworks.h (VXWORKS_RELAX_LINK_SPEC): New macro. Pass --relax to the linker for RTPs. (LINK_SPEC): Append VXWORKS_RELAX_LINK_SPEC. 2018-10-11 Andrew Stubbs Jan Hubicka Martin Jambor * print-rtl.c (print_rtx_operand_codes_E_and_V): Print how many times the same elements are repeated rather than printing all of them. * read-rtl.c (rtx_reader::read_rtx_operand): Recognize and expand "repeated" elements. * read-rtl-function.c (test_loading_repeat): New function. (read_rtl_function_c_tests): Call test_loading_repeat. * rtl-tests.c (test_dumping_repeat): New function. (rtl_tests_c_tests): Call test_dumping_repeat. 2018-10-11 Richard Biener * config/i386/x86-tune-costs.h (bdver?_memcpy, bdver?_memset, bdver?_cost): Unify to ... (bdver_memcpy, bdver_memset, bdver_cost): ... this. * config/i386/i386.c (processor_cost_table): Adjust. 2018-10-10 Eric Botcazou PR middle-end/87574 * cgraphunit.c (cgraph_node::expand_thunk): Force DECL_IGNORED_P on the thunk when expanding to GIMPLE. 2018-10-10 Bernd Edlinger PR bootstrap/87551 * varasm.c (mergeable_string_section): Don't try to move zero-length strings to the merge section. 2018-10-10 Uros Bizjak PR target/87573 * config/i386/mmx.md (const_vector 0 -> mem splitter): New splitter. 2018-10-10 Jakub Jelinek PR target/87550 * config/i386/i386-builtin.def (IX86_BUILTIN_RDPMC): Move from args set to special_args set. 2018-10-10 Richard Biener * config/i386/sse.md (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df, reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf): Merge into pattern reducing to half width and recursing and pattern terminating the recursion on SSE vector width using ix86_expand_reduc. (reduc_sminmax_scal_): Split into part reducing to half width and recursing and SSE2 vector variant doing the final reduction with ix86_expand_reduc. (reduc_uminmax_scal_): Likewise for the AVX512 variants with terminating the recursion at AVX level, splitting that to SSE there. 2018-10-09 David Malcolm * genmatch.c (error_cb): Rename to... (diagnostic_cb): ...this, converting int params to enums. (fatal_at): Update for renaming. (warning_at): Likewise. (main): Likewise. * input.c (selftest::ebcdic_execution_charset::apply): Update for renaming of... (selftest::ebcdic_execution_charset::on_error): ...this, renaming to... (selftest::ebcdic_execution_charset::on_diagnostic): ...this, converting level and reason to enums. (class selftest::lexer_error_sink): Rename to... (class selftest::lexer_test_options): ...this, renaming field "m_errors" to "m_diagnostics". (selftest::lexer_test_options::apply): Update for renaming of... (selftest::lexer_test_options::on_error): ...this, renaming to... (selftest::lexer_test_options::on_diagnostic): ...this converting level and reason to enums. (selftest::test_lexer_string_locations_raw_string_unterminated): Update for renamings. * opth-gen.awk (struct cpp_reason_option_codes_t): Use enum for "reason". 2018-10-09 Paul A. Clarke * config.gcc (powerpc*-*-*): Add pmmintrin.h to extra_headers. * config/rs6000/pmmintrin.h: New file. 2018-10-09 Eric Botcazou PR tree-optimization/86659 * gimple-match.h (gimple_match_op constructors): Initialize reverse. 2018-10-09 Richard Biener PR tree-optimization/63155 * tree-ssa-structalias.c: Include tree-ssa.h. (get_constraint_for_ssa_var): For undefs return nothing_id. (find_func_aliases): Cleanup PHI handling. 2018-10-09 Richard Biener * tree-vectorizer.c (dump_stmt_cost): Fix cut&paste missing replacements. 2018-10-09 Martin Liska * asan.c (asan_emit_stack_protection): If a stack variable is located in a same file as current function, then emit line info into variable definition string. 2018-10-08 Eric Botcazou * print-rtl.c (rtx_writer::print_rtx_operand_code_i): Print column information. 2018-10-08 Eric Botcazou * cgraphunit.c (cgraph_node::expand_thunk): Do not force DECL_IGNORED_P on the thunk. 2018-10-08 Eric Botcazou PR tree-optimization/86659 * gimple-match.h (struct gimple_match_op): Add reverse field. (gimple_match_op::set_op): New overloaded method. * gimple-match-head.c (maybe_build_generic_op) : Set the REF_REVERSE_STORAGE_ORDER flag on the value. (gimple_simplify) : For BIT_FIELD_REF, propagate the REF_REVERSE_STORAGE_ORDER flag and avoid simplifying if it is set. 2018-10-08 Richard Sandiford PR middle-end/63155 * gimple-ssa-backprop.c (backprop::intersect_uses): Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT. 2018-10-08 H.J. Lu PR target/87517 * config/i386/avx512fintrin.h (_mm512_mask_fmaddsub_round_pd): Defined with __builtin_ia32_vfmaddsubpd512_mask. 2018-10-08 Richard Biener * config/i386/x86-tune-costs.h (znver1_cost): Make AVX256 vector loads cost the same as AVX128 ones. 2018-10-08 Paul Koning * config/pdp11/pdp11-protos.h (output_block_move): Remove. (expand_block_move): New function. * config/pdp11/pdp11.c (output_block_move): Remove. (expand_block_move): New function. * config/pdp11/pdp11.h (MOVE_RATIO): New definition. * config/pdp11/pdp11.md (movmemhi): Use expand_block_move. (*movmemhi1): Remove. 2018-10-08 Robin Dapp * config/s390/2827.md: Increase latencies for some FP instructions. 2018-10-08 Richard Biener * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Open a dump scope. * tree-vectorizer.c (dump_stmt_cost): Add cost param and dump it. * tree-vectorizer.h (dump_stmt_cost): Adjust. (add_stmt_cost): Dump return value of the hook. 2018-10-08 Richard Biener PR tree-optimization/63155 * tree-ssa-propagate.c (add_ssa_edge): Do cheap check first. (ssa_propagation_engine::ssa_propagate): Remove redundant bitmap bit clearing. 2018-10-05 Peter Bergner PR rtl-optimization/86939 PR rtl-optimization/87479 * ira.h (non_conflicting_reg_copy_p): New prototype. * ira-lives.c (ignore_reg_for_conflicts): New static variable. (make_hard_regno_dead): Don't add conflicts for register ignore_reg_for_conflicts. (make_object_dead): Likewise. (non_conflicting_reg_copy_p): New function. (process_bb_node_lives): Set ignore_reg_for_conflicts for copies. Remove special conflict handling of REAL_PIC_OFFSET_TABLE_REGNUM. * lra-lives.c (ignore_reg_for_conflicts): New static variable. (make_hard_regno_dead): Don't add conflicts for register ignore_reg_for_conflicts. Remove special conflict handling of REAL_PIC_OFFSET_TABLE_REGNUM. Remove now unused argument check_pic_pseudo_p and update callers. (mark_pseudo_dead): Don't add conflicts for register ignore_reg_for_conflicts. (process_bb_lives): Set ignore_reg_for_conflicts for copies. 2018-10-05 Andrew Waterman Jim Wilson * config/riscv/riscv.md (f_quiet4): Add define_expand. Add ! HONOR_SNANS check to current pattern. Add new pattern using HONOR_SNANS that emits one extra instruction. 2018-10-05 Segher Boessenkool * config/rs6000/rs6000.md (unnamed mfcr scc_comparison_operator patterns): Merge SI and DI patterns to a GPR pattern. (unnamed define_insn and define_split for record form of that): Merge to a single define_insn_and_split pattern. 2018-10-05 David Malcolm PR c++/56856 * input.c (expand_location_to_spelling_point): Add param "aspect" and use rather than hardcoding LOCATION_ASPECT_CARET. (get_substring_ranges_for_loc): Handle the case of a single token within a macro expansion. * input.h (expand_location_to_spelling_point): Add "aspect" param, defaulting to LOCATION_ASPECT_CARET. 2018-10-05 Paul Koning * config/pdp11/pdp11.c (TARGET_CXX_GUARD_TYPE): Define. (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define. (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define. (pdp11_guard_type): New function. 2018-10-05 Paul Koning * config/pdp11/pdp11.h (FLOAT_TYPE_SIZE): Always 32. * config/pdp11/pdp11.opt (mfloat32): Remove. (mfloat64): Remove. * doc/invoke.texi (pdp11 -mfloat32): Remove: (pdp11 -mfloat64): Remove. 2018-10-05 Uros Bizjak * config/i386/i386.md (*cmpxf_cc_i387): Remove pattern. (*cmp_cc_i387): Ditto. (*cmpu_cc_i387): Ditto. (*cmp__cc_i387): Ditto. * config/i386/i386.c (ix86_expand_fp_compare): Remove "scratch" argument. : Do not generate pattern with HImode clobber. Emit x86_sahf_1 pattern. (ix86_expand_compare): Update call to ix86_expand_fp_compare. (ix86_expand_carry_flag_compare): Ditto. 2018-10-05 Uros Bizjak * config/i386/i386.md (*cmpxf_i387): Change operand 2 predicate to reg_or_0_operand. Add "C" constraint. (*cmpxf_cc_i387): Ditto. (*cmp_i387): Change operand 2 predicate to nonimm_or_0_operand. Add "C" constraint. (*cmp_cc_i387): Ditto. (*cmp_0_i387): Remove insn pattern. (*cmp_0_cc_i387): Ditto. 2018-10-05 Uros Bizjak * config/i386/constraints.md ("C"): Do not depend on TARGET_SSE. * config/i386/predicates.md (nonimm_or_0_operand): Rename from vector_move_operand. Update all uses. 2018-10-05 Martin Sebor PR tree-optimization/87490 * builtins.c (expand_builtin_strnlen): Handle a null data.decl consistently. 2018-10-05 Richard Biener PR tree-optimization/63155 * tree-ssa-ccp.c (ccp_propagate::visit_phi): Avoid excess vertical space in dumpfiles. * tree-ssa-propagate.h (ssa_propagation_engine::process_ssa_edge_worklist): Remove. * tree-ssa-propagate.c (cfg_blocks_back): New global. (ssa_edge_worklist_back): Likewise. (curr_order): Likewise. (cfg_blocks_get): Remove abstraction. (cfg_blocks_add): Likewise. (cfg_blocks_empty_p): Likewise. (add_ssa_edge): Add to current or next worklist based on RPO index. (add_control_edge): Likewise. (ssa_propagation_engine::process_ssa_edge_worklist): Fold into ... (ssa_propagation_engine::ssa_propagate): ... here. Unify iteration from CFG and SSA edge worklist so we process everything in RPO order, prioritizing forward progress over iteration. (ssa_prop_init): Allocate new worklists, do not dump immediate uses. (ssa_prop_fini): Free new worklists. 2018-10-05 Richard Biener * tree-core.h (tree_block::abstract_flag): Remove. (tree_block::block_num): Make full 32bits. * tree.def (BLOCK): Remove docs about BLOCK_ABSTRACT. * tree.h (BLOCK_ABSTRACT): Remove. * dwarf2out.c (gen_lexical_block_die): Remove dead code resulting from BLOCK_ABSTRACT being always false. (gen_inlined_subroutine_die): Likewise. (gen_block_die): Likewise. * tree.c (block_ultimate_origin): Likewise. * tree-pretty-print.c (dump_block_node): Remove code dealing with BLOCK_ABSTRACT. * tree-ssa-live.c (dump_scope_block): Likewise. * tree-streamer-in.c (unpack_ts_block_value_fields): Likewise. * tree-streamer-out.c (pack_ts_block_value_fields): Likewise. 2018-10-05 Richard Biener * config/i386/i386.c (ix86_add_stmt_cost): When scalar cost is asked for initialize mode to the component mode of the vector type. 2018-10-05 H.J. Lu PR target/87522 * config/i386/gnu-user.h (ASM_SPEC): Don't pass -msse2avx to assembler for -mavx. * config/i386/gnu-user64.h (ASM_SPEC): Likewise. 2018-10-05 Segher Boessenkool PR target/87509 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_SET_FPSCR_DRN): Use RS6000_BTM_DFP. * config/rs6000/rs6000.md (rs6000_set_fpscr_rn): Require the operand to be DImode. When using mffscrn, force the operand to a register. 2018-10-04 Uros Bizjak * config/i386/i386.md (*fop__2_i387): Macroize insn from *fop__2_i387 and *fop_xf_2_i387 using X87MODEF mode iterator. (*fop__3_i387): Macroize insn from *fop__3_i387 and *fop_xf_3_i387 using X87MODEF mode iterator. 2018-10-04 Vinay Kumar * doc/invoke.texi (-Wno-prio-ctor-dtor): Document new warning -Wno-prio-ctor-dtor. 2018-10-04 David Malcolm * Makefile.in (OBJS): Add opt-problem.o. * dump-context.h: Include "selftest.h. (selftest::temp_dump_context): New forward decl. (class dump_context): Make friend of class selftest::temp_dump_context. (dump_context::dump_loc_immediate): New decl. (class dump_pretty_printer): Move here from dumpfile.c. (class temp_dump_context): Move to namespace selftest. (temp_dump_context::temp_dump_context): Add param "forcibly_enable_dumping". (selftest::verify_dumped_text): (ASSERT_DUMPED_TEXT_EQ): Move here from dumpfile.c. (selftest::verify_item): (ASSERT_IS_TEXT): Move here from dumpfile.c. (ASSERT_IS_TREE): Likewise. (ASSERT_IS_GIMPLE): Likewise. * dumpfile.c (dump_context::dump_loc): Move immediate dumping to... (dump_context::dump_loc_immediate): ...this new function. (class dump_pretty_printer): Move to dump-context.h. (dump_switch_p_1): Don't enable MSG_PRIORITY_REEMITTED. (opt_info_switch_p_1): Enable MSG_PRIORITY_REEMITTED. (temp_dump_context::temp_dump_context): Move to "selftest" namespace. Add param "forcibly_enable_dumping", and use it to conditionalize the use of m_pp; (selftest::verify_dumped_text): Make non-static. (ASSERT_DUMPED_TEXT_EQ): Move to dump-context.h. (selftest::verify_item): Make non-static. (ASSERT_IS_TEXT): Move to dump-context.h. (ASSERT_IS_TREE): Likewise. (ASSERT_IS_GIMPLE): Likewise. (selftest::test_capture_of_dump_calls): Pass "true" for new param of temp_dump_context. * dumpfile.h (enum dump_flag): Add MSG_PRIORITY_REEMITTED, adding it to MSG_ALL_PRIORITIES. Update values of TDF_COMPARE_DEBUG and TDF_COMPARE_DEBUG. * opt-problem.cc: New file. * opt-problem.h: New file. * optinfo-emit-json.cc (selftest::test_building_json_from_dump_calls): Pass "true" for new param of temp_dump_context. * optinfo.cc (optinfo_kind_to_dump_flag): New function. (optinfo::emit_for_opt_problem): New function. (optinfo::emit): Clarity which emit_item is used. * optinfo.h (optinfo::get_dump_location): New accessor. (optinfo::emit_for_opt_problem): New decl. (optinfo::emit): Make const. * selftest-run-tests.c (selftest::run_tests): Call selftest::opt_problem_cc_tests. * selftest.h (selftest::opt_problem_cc_tests): New decl. * tree-data-ref.c (dr_analyze_innermost): Convert return type from bool to opt_result, converting fprintf messages to opt_result::failure_at calls. Add "stmt" param for use by the failure_at calls. (create_data_ref): Pass "stmt" to the dr_analyze_innermost call. (runtime_alias_check_p): Convert return type from bool to opt_result, converting dump_printf calls to opt_result::failure_at, using the statement DDR_A for their location. (find_data_references_in_stmt): Convert return type from bool to opt_result, converting "return false" to opt_result::failure_at with a new message. * tree-data-ref.h: Include "opt-problem.h". (dr_analyze_innermost): Convert return type from bool to opt_result, and add a const gimple * param. (find_data_references_in_stmt): Convert return type from bool to opt_result. (runtime_alias_check_p): Likewise. * tree-predcom.c (find_looparound_phi): Pass "init_stmt" to dr_analyze_innermost. * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Convert return type from bool to opt_result, adding a message for the PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS zero case. (vect_analyze_data_ref_dependence): Convert return type from bool to opt_result. Change sense of return type from "false" effectively meaning "no problems" to "false" meaning a problem, so that "return false" becomes "return opt_result::success". Convert "return true" calls to opt_result::failure_at, using the location of statement A rather than vect_location. (vect_analyze_data_ref_dependences): Convert return type from bool to opt_result. (verify_data_ref_alignment): Likewise, converting dump_printf_loc calls to opt_result::failure_at, using the stmt location rather than vect_location. (vect_verify_datarefs_alignment): Convert return type from bool to opt_result. (vect_enhance_data_refs_alignment): Likewise. Split local "stat" into multiple more-tightly-scoped copies. (vect_analyze_data_refs_alignment): Convert return type from bool to opt_result. (vect_analyze_data_ref_accesses): Likewise, converting a "return false" to a "return opt_result::failure_at", adding a new message. (vect_prune_runtime_alias_test_list): Convert return type from bool to opt_result, converting dump_printf_loc to opt_result::failure_at. Add a %G to show the pertinent statement, and use the stmt's location rather than vect_location. (vect_find_stmt_data_reference): Convert return type from bool to opt_result, converting dump_printf_loc to opt_result::failure_at, using stmt's location. (vect_analyze_data_refs): Convert return type from bool to opt_result. Convert "return false" to "return opt_result::failure_at", adding messages as needed. * tree-vect-loop.c (vect_determine_vf_for_stmt_1): Convert return type from bool to opt_result. (vect_determine_vf_for_stmt): Likewise. (vect_determine_vectorization_factor): Likewise, converting dump_printf_loc to opt_result::failure_at, using location of phi rather than vect_location. (vect_analyze_loop_form_1): Convert return type from bool to opt_result, converting dump_printf_loc calls, retaining the use of vect_location. (vect_analyze_loop_form): Convert return type from loop_vec_info to opt_loop_vec_info. (vect_analyze_loop_operations): Convert return type from bool to opt_result, converting dump_printf_loc calls, using the location of phi/stmt rather than vect_location where available. Convert various "return false" to "return opt_result::failure_at" with "unsupported phi" messages. (vect_get_datarefs_in_loop): Convert return type from bool to opt_result. Add a message for the PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS failure. (vect_analyze_loop_2): Convert return type from bool to opt_result. Ensure "ok" is set to a opt_result::failure_at before each "goto again;", adding new messages where needed. Add "unsupported grouped {store|load}" messages. (vect_analyze_loop): Convert return type from loop_vec_info to opt_loop_vec_info. * tree-vect-slp.c (vect_analyze_slp): Convert return type from bool to opt_result. * tree-vect-stmts.c (process_use): Likewise, converting dump_printf_loc call and using stmt location, rather than vect_location. (vect_mark_stmts_to_be_vectorized): Likeise. (vect_analyze_stmt): Likewise, adding a %G. (vect_get_vector_types_for_stmt): Convert return type from bool to opt_result, converting dump_printf_loc calls and using stmt location, rather than vect_location. (vect_get_mask_type_for_stmt): Convert return type from tree to opt_tree, converting dump_printf_loc calls and using stmt location. * tree-vectorizer.c: Include "opt-problem.h. (try_vectorize_loop_1): Flag "Analyzing loop at" dump message as MSG_PRIORITY_INTERNALS. Convert local "loop_vinfo" from loop_vec_info to opt_loop_vec_info. If if fails, and dumping is enabled, use it to report at the top level "couldn't vectorize loop" followed by the problem. * tree-vectorizer.h (opt_loop_vec_info): New typedef. (vect_mark_stmts_to_be_vectorized): Convert return type from bool to opt_result. (vect_analyze_stmt): Likewise. (vect_get_vector_types_for_stmt): Likewise. (tree vect_get_mask_type_for_stmt): Likewise. (vect_analyze_data_ref_dependences): Likewise. (vect_enhance_data_refs_alignment): Likewise. (vect_analyze_data_refs_alignment): Likewise. (vect_verify_datarefs_alignment): Likewise. (vect_analyze_data_ref_accesses): Likewise. (vect_prune_runtime_alias_test_list): Likewise. (vect_find_stmt_data_reference): Likewise. (vect_analyze_data_refs): Likewise. (vect_analyze_loop): Convert return type from loop_vec_info to opt_loop_vec_info. (vect_analyze_loop_form): Likewise. (vect_analyze_slp): Convert return type from bool to opt_result. 2018-10-04 David Malcolm * doc/invoke.texi (-fopt-info): Document new "internals" sub-option. * dump-context.h (dump_context::apply_dump_filter_p): New decl. * dumpfile.c (dump_options): Update for renaming of MSG_ALL to MSG_ALL_KINDS. (optinfo_verbosity_options): Add "internals". (kind_as_string): Update for renaming of MSG_ALL to MSG_ALL_KINDS. (dump_context::apply_dump_filter_p): New member function. (dump_context::dump_loc): Use apply_dump_filter_p rather than explicitly masking the dump_kind. (dump_context::begin_scope): Increment the scope depth first. Use apply_dump_filter_p rather than explicitly masking the dump_kind. (dump_context::emit_item): Use apply_dump_filter_p rather than explicitly masking the dump_kind. (dump_dec): Likewise. (dump_hex): Likewise. (dump_switch_p_1): Default to MSG_ALL_PRIORITIES. (opt_info_switch_p_1): Default to MSG_PRIORITY_USER_FACING. (opt_info_switch_p): Update handling of default MSG_OPTIMIZED_LOCATIONS to cope with default of MSG_PRIORITY_USER_FACING. (dump_basic_block): Use apply_dump_filter_p rather than explicitly masking the dump_kind. (selftest::test_capture_of_dump_calls): Update test_dump_context instances to use MSG_ALL_KINDS | MSG_PRIORITY_USER_FACING rather than MSG_ALL. Generalize scope test to be run at all four combinations of with/without MSG_PRIORITY_USER_FACING and MSG_PRIORITY_INTERNALS, adding examples of explicit priority for each of the two values. * dumpfile.h (enum dump_flag): Add comment about the MSG_* flags. Rename MSG_ALL to MSG_ALL_KINDS. Add MSG_PRIORITY_USER_FACING, MSG_PRIORITY_INTERNALS, and MSG_ALL_PRIORITIES, updating the values for TDF_COMPARE_DEBUG and TDF_ALL_VALUES. (AUTO_DUMP_SCOPE): Add a note to the comment about the interaction with MSG_PRIORITY_*. * tree-vect-loop-manip.c (vect_loop_versioning): Mark versioning dump messages as MSG_PRIORITY_USER_FACING. * tree-vectorizer.h (DUMP_VECT_SCOPE): Add a note to the comment about the interaction with MSG_PRIORITY_*. 2018-10-04 Bernd Edlinger * varasm.c (output_constant): Add new parameter merge_strings. Make strings properly zero terminated in merge string sections. (mergeable_string_section): Don't fail if the last char is non-zero. (assemble_variable_contents): Handle merge string sections. (assemble_variable): Likewise. (assemble_constant_contents): Likewise. (output_constant_def_contents): Likewise. (output_constructor_array_range, output_constructor_regular_field): Adjust call to output_constant. (output_object_block): Adjust call to assemble_constant_contents and assemble_variable_contents. 2018-10-04 Martin Liska PR c/87483 * cgraphunit.c (process_function_and_variable_attributes): Warn about a function with alias attribute and a body. 2018-10-04 Martin Liska PR ipa/82625 * multiple_target.c (redirect_to_specific_clone): New function. (ipa_target_clone): Use it. * tree-inline.c: Fix comment. 2018-10-04 David Malcolm * dumpfile.c (gcc::dump_manager::dump_manager): Initialize new fields. (gcc::dump_manager::~dump_manager): Free m_optinfo_filename. (gcc::dump_manager::register_pass): New member function, adapted from loop body in gcc::pass_manager::register_pass, adding a call to update_dfi_for_opt_info. (gcc::dump_manager::opt_info_enable_passes): Store the -fopt-info options into the new fields. Move the loop bodies into... (gcc::dump_manager::update_dfi_for_opt_info): ...this new member function. * dumpfile.h (struct opt_pass): New forward decl. (gcc::dump_manager::register_pass): New decl. (gcc::dump_manager::update_dfi_for_opt_info): New decl. (class gcc::dump_manager): Add fields "m_optgroup_flags", "m_optinfo_flags", and "m_optinfo_filename". * passes.c (gcc::pass_manager::register_pass): Move all of the dump-handling code to gcc::dump_manager::register_pass. 2018-10-04 Peter Bergner PR rtl-optimization/87466 * target.def (setjmp_preserves_nonvolatile_regs_p): New target hook. * doc/tm.texi.in (TARGET_SETJMP_PRESERVES_NONVOLATILE_REGS_P): New hook. * doc/tm.texi: Regenerate. * ira-lives.c (process_bb_node_lives): Use the new target hook. * lra-lives.c (process_bb_lives): Likewise. * config/rs6000/rs6000.c (TARGET_SETJMP_PRESERVES_NONVOLATILE_REGS_P): Define. 2018-10-04 Tamar Christina * params.c (add_params): Fix initialization. 2018-10-04 Martin Liska PR gcov-profile/84107 * tree-profile.c (init_ic_make_global_vars): Remove ic_void_ptr_var and ic_gcov_type_ptr_var. Come up with new ic_tuple* variables. Emit __gcov_indirect_call{,_topn} variables. (gimple_gen_ic_profiler): Access the variable and emit gimple. (gimple_gen_ic_func_profiler): Access __gcov_indirect_call.callee field. (gimple_init_gcov_profiler): Use ptr_type_node. * value-prof.c (gimple_ic): Use ptr_type_node. 2018-10-04 Prathamesh Kulkarni PR tree-optimization/85787 * ipa-pure-const.c (malloc_candidate_p_1): Move most of malloc_candidate_p into this function and add support for detecting multiple phis. (DUMP_AND_RETURN): Move from malloc_candidate_p into top-level macro. 2018-10-04 Martin Liska PR ipa/87491 * ipa-inline.c (inline_to_all_callers_1): Call ultimate_alias_target for node being inlined. 2018-10-03 Jeff Law * gimple-ssa-sprintf.c (format_string): Do not hardcode size of target's wchar_t. * tree.c (get_typenode_from_name): Moved from fortran/trans-types.c. * tree.h (get_typenode_from_name): Prototype. 2018-10-03 Uros Bizjak * config/i386/i386.md (*cmp__i387): Change operand 2 predicate to nonimmediate_operand. (*cmp__cc_i387): Ditto. 2018-10-03 Martin Sebor Jeff Law * gimple-ssa-sprintf.c (struct fmtresult): Add new member and initialize it. (get_string_length): Detect unterminated arrays. (format_string): Same. (format_directive): Warn about unterminated arrays. (handle_gimple_call): Mark statements with no_warning as needed. 2018-10-03 Jim Wilson * config/riscv/riscv-c.c (riscv_cpu_cpp_builtins): For ABI_ILP32E, also define __riscv_abi_rve. Delete trailing white space. 2018-10-03 Paul Koning Enable LRA register allocator for PDP11. * config/pdp11/constraints.md (Q): Use define_memory_constraint. (R): Likewise. (D): Likewise. * config/pdp11/pdp11.c (pdp11_lra_p): New function. * config/pdp11/pdp11.opt (-mlra): New option. * doc/invoke.texi (PDP-11 Options): Document -mlra. 2018-10-03 Uros Bizjak * config/i386/i386.md (*extendsfdf2): Remove. (*extendxf2): Ditto. 2018-10-03 Aldy Hernandez PR tree-optimization/87415 * tree-vrp.c (set_value_range_with_overflow): Special case one bit precision fields. 2018-10-02 Jeff Law * gimple-fold.c (get_range_strlen): Only set *nonstr when an unterminated string is discovered. Bubble up range even for unterminated strings. (gimple_fold_builtin_strlen): Do not fold if get_range_strlen indicates the string was not terminated via NONSTR. 2018-10-03 Aldy Hernandez * tree-vrp.c (extract_range_from_unary_expr): Special case all pointer conversions. Do not do anything special for anti-ranges. 2018-10-03 Jérôme Lambourg * config/arm/vxworks.h (ARM_TARGET2_DWARF_FORMAT): Adjust to DW_EH_PE_pcrel | DW_EH_PE_indirect for RTPs. 2018-10-03 Martin Liska PR gcov-profile/86109 * coverage.c (coverage_begin_function): Do not mark lambdas as artificial. * tree-core.h (struct GTY): Remove tm_clone_flag and introduce new lambda_function. * tree.h (DECL_LAMBDA_FUNCTION): New macro. 2018-10-02 Aaron Sawdey PR target/87474 * config/rs6000/rs6000-string.c (expand_strn_compare): Check that both P8_VECTOR and VSX are enabled. 2018-10-02 Andreas Krebbel * config/s390/driver-native.c (s390_host_detect_local_cpu): Add 0x3907 as CPU model number. 2018-10-02 Andreas Krebbel * common/config/s390/s390-common.c: Rename PF_ARCH12 to PF_Z14. * config/s390/s390.h (enum processor_flags): Rename PF_ARCH12 to PF_Z14. Rename TARGET_CPU_ARCH12 to TARGET_CPU_Z14, TARGET_CPU_ARCH12_P to TARGET_CPU_Z14_P, TARGET_ARCH12 to TARGET_Z14, and TARGET_ARCH12_P to TARGET_Z14_P. * config/s390/s390.md: Likewise. Rename also the cpu attribute value from arch12 to z14. 2018-10-02 Uros Bizjak * config/i386/i386.md (fxam2_i387_with_temp): Remove. (isinfxf2): Ditto. (isinf2): Ditto. 2018-10-02 Uros Bizjak * config/i386/i386.c (ix86_emit_i387_round): Extend op1 to XFmode before emitting fxam. Perform calculations in XFmode. 2018-10-02 Marc Glisse * match.pd (((X /[ex] A) +- B) * A): New transformation. 2018-10-02 Marc Glisse PR middle-end/87319 * fold-const.c (fold_plusminus_mult_expr): Handle complex and vectors. * tree.c (signed_or_unsigned_type_for): Handle complex. 2018-10-02 Jeff Law * gimple-fold.c (get_range_strlen): Remove dead code. 2018-10-02 Martin Sebor Jeff Law * builtins.c (unterminated_array): Add new arguments. If argument is not terminated, bubble up size and exact state to callers. (expand_builtin_strnlen): Detect, avoid expanding and diagnose unterminated arrays. (c_strlen): Fill in offset of start of unterminated strings. * builtins.h (unterminated_array): Update prototype. 2018-10-02 Richard Biener * config/i386/sse.md (reduc_plus_scal_v4df): Avoid the use of haddv4df, first reduce to SSE width and exploit the fact that we only need element zero with the reduction result. (reduc_plus_scal_v2df): Likewise. 2018-10-02 Eric Botcazou * dojump.h (do_jump): Delete. (do_jump_1): Likewise. (split_comparison): Move around. * dojump.c (do_jump): Make static. (do_jump_1): Likewise. (jumpifnot): Move around. (jumpifnot_1): Likewise. (jumpif): Likewise. (jumpif_1): Likewise. * expr.c (expand_expr_real_1): Call jumpif[not] instead of do_jump. 2018-10-02 Eric Botcazou * reorg.c (make_return_insns): Use emit_copy_of_insn_after for the insns in the delay slot and add_insn_after for the jump insn. 2018-10-02 Richard Biener * tree-inline.c (expand_call_inline): Use the location of the callee declaration for the inline-entry marker. * final.c (notice_source_line): Remove special-casing of NOTE_INSN_INLINE_ENTRY. 2018-10-01 Carl Love PR 69431 * config/rs6000/rs6000-builtin.def (__builtin_mffsl): New. (__builtin_mtfsb0): New. (__builtin_mtfsb1): New. ( __builtin_set_fpscr_rn): New. (__builtin_set_fpscr_drn): New. * config/rs6000/rs6000.c (rs6000_expand_mtfsb_builtin): Add. (rs6000_expand_set_fpscr_rn_builtin): Add. (rs6000_expand_set_fpscr_drn_builtin): Add. (rs6000_expand_builtin): Add case statement entries for RS6000_BUILTIN_MTFSB0, RS6000_BUILTIN_MTFSB1, RS6000_BUILTIN_SET_FPSCR_RN, RS6000_BUILTIN_SET_FPSCR_DRN, RS6000_BUILTIN_MFFSL. (rs6000_init_builtins): Add ftype initialization and def_builtin calls for __builtin_mffsl, __builtin_mtfsb0, __builtin_mtfsb1, __builtin_set_fpscr_rn, __builtin_set_fpscr_drn. * config/rs6000.md (rs6000_mtfsb0, rs6000_mtfsb1, rs6000_mffscrn, rs6000_mffscdrn): Add define_insn. (rs6000_set_fpscr_rn, rs6000_set_fpscr_drn): Add define_expand. * doc/extend.texi: Add documentation for the builtins. 2018-10-01 Richard Biener PR tree-optimization/87465 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix typo causing branch miscounts. 2018-10-01 Tamar Christina * common/config/aarch64/aarch64-common.c (TARGET_OPTION_DEFAULT_PARAM, aarch64_option_default_param): New. (params.h): Include. (TARGET_OPTION_VALIDATE_PARAM, aarch64_option_validate_param): New. * config/aarch64/aarch64.c (aarch64_override_options_internal): Simplify stack-clash protection validation code. 2018-10-01 Tamar Christina * params.c (validate_param): New. (add_params): Use it. (set_param_value): Refactor param validation into validate_param. (diagnostic.h): Include. * diagnostic.h (diagnostic_ready_p): New. 2018-10-01 Tamar Christina * params.c (set_param_value): Add index of parameter being validated. * common/common-target.def (option_validate_param): New. * common/common-targhooks.h (default_option_validate_param): New. * common/common-targhooks.c (default_option_validate_param): New. * doc/tm.texi.in (TARGET_OPTION_VALIDATE_PARAM): New. * doc/tm.texi: Regenerate. 2018-10-01 Tamar Christina PR target/86486 * config/aarch64/aarch64.c (aarch64_override_options_internal): Add validation for stack-clash parameters and set defaults. 2018-10-01 Tamar Christina PR target/86486 * configure.ac: Add stack-clash-protection-guard-size. * doc/install.texi: Document it. * config.in (DEFAULT_STK_CLASH_GUARD_SIZE): New. * params.def: Update comment for guard-size. (PARAM_STACK_CLASH_PROTECTION_GUARD_SIZE, PARAM_STACK_CLASH_PROTECTION_PROBE_INTERVAL): Update description. * configure: Regenerate. 2018-10-01 Tamar Christina PR target/86486 * config/aarch64/aarch64.h (STACK_CLASH_MIN_BYTES_OUTGOING_ARGS, STACK_DYNAMIC_OFFSET): New. * config/aarch64/aarch64.c (aarch64_layout_frame): Update outgoing args size. (aarch64_stack_clash_protection_alloca_probe_range, TARGET_STACK_CLASH_PROTECTION_ALLOCA_PROBE_RANGE): New. 2018-10-01 Tamar Christina PR target/86486 * explow.c (anti_adjust_stack_and_probe_stack_clash): Support custom probe ranges. * target.def (stack_clash_protection_alloca_probe_range): New. (stack_clash_protection_final_dynamic_probe): Remove. * targhooks.h (default_stack_clash_protection_alloca_probe_range) New. (default_stack_clash_protection_final_dynamic_probe): Remove. * targhooks.c: Likewise. * doc/tm.texi.in (TARGET_STACK_CLASH_PROTECTION_ALLOCA_PROBE_RANGE): New. (TARGET_STACK_CLASH_PROTECTION_FINAL_DYNAMIC_PROBE): Remove. * doc/tm.texi: Regenerate. 2018-10-01 Tamar Christina PR target/86486 * config/aarch64/aarch64-protos.h (aarch64_output_probe_sve_stack_clash): New. * config/aarch64/aarch64.c (aarch64_output_probe_sve_stack_clash, aarch64_clamp_to_uimm12_shift): New. (aarch64_allocate_and_probe_stack_space): Add SVE specific section. * config/aarch64/aarch64.md (probe_sve_stack_clash): New. 2018-10-01 Tamar Christina PR target/86486 * config/aarch64/aarch64.c (aarch64_layout_frame): Add assert. 2018-10-01 Jeff Law Richard Sandiford Tamar Christina PR target/86486 * config/aarch64/aarch64.md (probe_stack_range): Add k (SP) constraint. * config/aarch64/aarch64.h (STACK_CLASH_CALLER_GUARD, STACK_CLASH_MAX_UNROLL_PAGES): New. * config/aarch64/aarch64.c (aarch64_output_probe_stack_range): Emit stack probes for stack clash. (aarch64_allocate_and_probe_stack_space): New. (aarch64_expand_prologue): Use it. (aarch64_expand_epilogue): Likewise and update IP regs re-use criteria. (aarch64_sub_sp): Add emit_move_imm optional param. 2018-10-01 MCC CS PR tree-optimization/87261 * match.pd: Remove trailing whitespace. Add (x & y) | ~(x | y) -> ~(x ^ y), (~x | y) ^ (x ^ y) -> x | ~y and (x ^ y) | ~(x | y) -> ~(x & y) 2018-10-01 Claudiu Zissulescu * config/arc/arc.md (*add_n): Clean up pattern, update instruction constraints. (ashlsi3_insn): Update instruction constraints. (ashrsi3_insn): Likewise. (rotrsi3): Likewise. (add_shift): Likewise. * config/arc/constraints.md (Csz): New 32 bit constraint. It avoids placing in the limm field small constants which, otherwise, could end into a small instruction. 2018-10-01 Claudiu Zissulescu * config/arc/arc.md (maddsidi4_split): Don't use dmac if the destination register is not odd-even. (umaddsidi4_split): Likewise. 2018-10-01 Richard Biener * tree-inline.c (expand_call_inline): Store origin of fn in BLOCK_ABSTRACT_ORIGIN for the inline BLOCK. * tree.c (block_ultimate_origin): Simplify and do some checking. 2018-09-30 Uros Bizjak * config/i386/mmx.md (EMMS): New int iterator. (emms): New int attribute. (mmx_): Macroize insn from *mmx_emms and *mmx_femms using EMMS int iterator. Explicitly declare clobbers. (mmx_emms): Remove expander. (mmx_femms): Ditto. * config/i386/predicates.md (emms_operation): Remove predicate. (vzeroall_pattern): New predicate. (vzeroupper_pattern): Rename from vzeroupper_operation. * config/i386/i386.c (ix86_avx_u128_mode_after): Use vzeroupper_pattern and vzeroall_pattern predicates. 2018-09-30 Peter Bergner PR rtl-optimization/86939 * ira-lives.c (make_hard_regno_born): Rename from this... (make_hard_regno_live): ... to this. Remove update to conflict information. Update function comment. (make_hard_regno_dead): Add conflict information update. Update function comment. (make_object_born): Rename from this... (make_object_live): ... to this. Remove update to conflict information. Update function comment. (make_object_dead): Add conflict information update. Update function comment. (mark_pseudo_regno_live): Call make_object_live. (mark_pseudo_regno_subword_live): Likewise. (mark_hard_reg_dead): Update function comment. (mark_hard_reg_live): Call make_hard_regno_live. (process_bb_node_lives): Likewise. * lra-lives.c (make_hard_regno_born): Rename from this... (make_hard_regno_live): ... to this. Remove update to conflict information. Remove now uneeded check_pic_pseudo_p argument. Update function comment. (make_hard_regno_dead): Add check_pic_pseudo_p argument and add update to conflict information. Update function comment. (mark_pseudo_live): Remove update to conflict information. Update function comment. (mark_pseudo_dead): Add conflict information update. (mark_regno_live): Call make_hard_regno_live. (mark_regno_dead): Call make_hard_regno_dead with new arguement. (process_bb_lives): Call make_hard_regno_live and make_hard_regno_dead. 2018-09-29 H.J. Lu PR target/87370 * config/i386/i386.c (construct_container): Use TImode for BLKmode values in 2 integer registers. 2018-09-29 Jeff Law * builtins.c (unterminated_array): Pass in c_strlen_data * to c_strlen rather than just a tree *. (c_strlen): Change NONSTR argument to a c_strlen_data pointer. Update recursive calls appropriately. If caller did not provide a suitable data pointer, create a local one. When a non-terminated string is discovered, bubble up information about the string via the c_strlen_data object. * builtins.h (c_strlen): Update prototype. (c_strlen_data): New structure. * gimple-fold.c (get_range_strlen): Update calls to c_strlen. For a type 2 call, if c_strlen indicates a non-terminated string use the length of the non-terminated string. (gimple_fold_builtin_stpcpy): Update calls to c_strlen. 2018-09-29 Jakub Jelinek PR target/87467 * config/i386/avx512fintrin.h (_mm512_abs_pd, _mm512_mask_abs_pd): Use __m512d type for __A argument rather than __m512. 2018-09-28 John David Anglin * match.pd (simple_comparison): Don't optimize if either operand is a function pointer when target needs function pointer canonicalization. 2018-09-28 Segher Boessenkool * config/rs6000/driver-rs6000.c (asm_names): Adjust the entries for power5 .. power9 to remove indirection. * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC, ASM_CPU_POWER6_SPEC, ASM_CPU_POWER7_SPEC, ASM_CPU_POWER8_SPEC, ASM_CPU_POWER9_SPEC, ASM_CPU_476_SPEC): Delete. (ASM_CPU_SPEC): Adjust. (EXTRA_SPECS): Delete asm_cpu_power5, asm_cpu_power6, asm_cpu_power7, asm_cpu_power8, asm_cpu_power9, asm_cpu_476. 2018-09-28 Segher Boessenkool * config.in: Delete HAVE_AS_DCI. * config/powerpcspe/powerpcspe.h: Treat HAVE_AS_DCI as always true. * config/rs6000/rs6000.h: Ditto. * configure.ac: Delete HAVE_AS_DCI. * configure: Regenerate. 2018-09-28 Segher Boessenkool * config.in (HAVE_AS_LWSYNC): Delete. * config/powerpcspe/powerpcspe.h (TARGET_LWSYNC_INSTRUCTION): Delete. * config/powerpcspe/sync.md (*lwsync): Always generate lwsync, never do it as a .long . * config/rs6000/rs6000.h (TARGET_LWSYNC_INSTRUCTION): Delete. * config/rs6000/sync.md (*lwsync): Always generate lwsync, never do it as a .long . * configure.ac: Delete HAVE_AS_LWSYNC. * configure: Regenerate. 2018-09-28 Eric Botcazou Pierre-Marie de Rodat * calls.c (expand_call): Try to do a tail call for thunks at -O0 too. * cgraph.h (struct cgraph_thunk_info): Add indirect_offset. (cgraph_node::create_thunk): Add indirect_offset parameter. (thunk_adjust): Likewise. * cgraph.c (cgraph_node::create_thunk): Add indirect_offset parameter and initialize the corresponding field with it. (cgraph_node::dump): Dump indirect_offset field. * cgraphclones.c (duplicate_thunk_for_node): Deal with indirect_offset. * cgraphunit.c (cgraph_node::analyze): Be prepared for external thunks. (thunk_adjust): Add indirect_offset parameter and deal with it. (cgraph_node::expand_thunk): Deal with the indirect_offset field and pass it to thunk_adjust. Do not call the target hook if it's non-zero or if the thunk is external or local. Fix formatting. Do not chain the RESULT_DECL to BLOCK_VARS. Pass the static chain to the target, if any, in the GIMPLE representation. * ipa-icf.c (sem_function::equals_wpa): Deal with indirect_offset. * lto-cgraph.c (lto_output_node): Write indirect_offset field. (input_node): Read indirect_offset field. * tree-inline.c (expand_call_inline): Pass indirect_offset field in the call to thunk_adjust. * tree-nested.c (struct nesting_info): Add thunk_p field. (create_nesting_tree): Set it. (convert_all_function_calls): Copy static chain from targets to thunks. (finalize_nesting_tree_1): Return early for thunks. (unnest_nesting_tree_1): Do not finalize thunks. (gimplify_all_functions): Do not gimplify thunks. 2018-09-28 David Malcolm * opt-suggestions.c (option_proposer::build_option_suggestions): Release "option_values". 2018-09-28 David Malcolm * coverage.c (get_coverage_counts): Convert problem-reporting dump messages from MSG_OPTIMIZED_LOCATIONS to MSG_MISSED_OPTIMIZATION. * dumpfile.c (kind_as_string): New function. (dump_loc): Rather than a hardcoded prefix of "note: ", use kind_as_string to vary the prefix based on dump_kind. (selftest::test_capture_of_dump_calls): Update for above. 2018-09-28 Uros Bizjak * config/i386/i386.h (SSE_REGNO): Fix check for FIRST_REX_SSE_REG. (GET_SSE_REGNO): Rename from SSE_REGNO. Update all uses for rename. 2018-09-28 Uros Bizjak * config/i386/i386.h (CC_REGNO): Remove FPSR_REG. * config/i386/i386.c (ix86_fixed_condition_code_regs): Use INVALID_REGNUM instead of FPSR_REG. (ix86_md_asm_adjust): Do not clobber FPSR_REG. * config/i386/i386.md: Update comment of FP compares. (fldenv): Do not clobber FPSR_REG. 2018-09-28 Richard Biener * tree.h (BLOCK_ORIGIN): New. * omp-expand.c (grid_expand_target_grid_body): Assign BLOCK_ORIGIN to BLOCK_ABSTRACT_ORIGIN. * tree-inline.c (remap_block): Likewise. * auto-profile.c (get_function_decl_from_block): Simplify by eliding the BLOCK_ABSTRACT_ORIGIN chasing. * langhooks.c (lhd_print_error_function): Likewise. * optinfo-emit-json.cc (optrecord_json_writer::inlining_chain_to): Likewise. * tree-ssa-live.c (remove_unused_scope_block_p): Likewise. * tree.c (block_nonartificial_location): Likewise. (block_ultimate_origin): Likewise. * tree-pretty-print.c (percent_K_format): Likewise. Remove no longer needed LTO case. 2018-09-28 Andrew Stubbs Jan Hubicka Martin Jambor * simplify-rtx.c (simplify_merge_mask): New function. (simplify_ternary_operation): Use it, also see if VEC_MERGEs with the same masks are used in op1 or op2. (test_vec_merge): New function. (test_vector_ops): Call test_vec_merge. 2018-09-28 Eric Botcazou * config/sparc/sparc-protos.h (sparc_branch_cost): Declare. * config/sparc/sparc.h (BRANCH_COST): Call sparc_branch_cost. * config/sparc/sparc.c (struct processor_costs): Add branch_cost field. (cypress_costs): Set it. (supersparc_costs): Likewise. (hypersparc_costs): Likewise. (leon_cost): Likewise. (leon3_costs): Likewise. (sparclet_costs): Likewise. (ultrasparc_costs): Likewise. (ultrasparc_costs): Likewise. (niagara_costs): Likewise. (niagara2_costs): Likewise. (niagara3_costs): Likewise. (niagara4_costs): Likewise. (niagara7_costs): Likewise. (m8_costs): Likewise. (TARGET_CAN_FOLLOW_JUMP): Define. (pass_work_around_errata::gate): Minor tweak. (sparc_option_override): Remove MASK_FSMULD mask for V7 processors. Do not set both MASK_VIS4 and MASK_VIS4B for M8 processor. Automaitcally clear MASK_FSMULD mask for V7 processors. (sparc_can_follow_jump): New static function. (output_ubranch): Deal with CROSSING_JUMP_P. (sparc_use_sched_lookahead): Rewrite using switch statement. (sparc_issue_rate): Reorder. (sparc_branch_cost): New function. 2018-09-27 Martin Sebor * tree.h (tree_to_shwi): Add attribute nonnull and pure. (tree_to_poly_int64, tree_to_uhwi, tree_to_poly_uint64): Same. (int_fits_type_p): Same. 2018-09-27 Uros Bizjak * config/i386/i386.md (FPCR_REG): Remove. (UNSPEC_FLDCW): Remove. (x86_fnstcw_1): Use (const_int 0) instead of FPCR_REG. (x86_fldcw_1): Remove insn pattern. (fnstenv): Do not clobber FPCR_REG. (fldenv): Ditto. * config/i386/i386.h (FIXED_REGISTERS) Remove fpsr register. (CALL_USED_REGISTERS): Ditto. (REG_ALLOC_ORDER): Ditto. (REG_CLASS_CONTENTS): Ditto. (HI_REGISTER_NAMES): Ditto. (ADDITIONAL_REGISTER_NAMES): Use defines instead of numerical constants. * config/i386/i386.c (regclass_map): Remove fpsr register. (dbx_register_map): Ditto. (dbx64_register_map): Ditto. (svr4_dbx_register_map): Ditto. (print_reg): Do not handle FPCR_REG. 2018-09-27 Segher Boessenkool PR target/87149 * config.in (HAVE_AS_CMPB, HAVE_AS_DFP, HAVE_AS_FPRND, HAVE_AS_MFPGPR, HAVE_AS_POPCNTB, HAVE_AS_POPCNTD, HAVE_AS_POWER8, HAVE_AS_POWER9): Delete, always treat as true. * config/powerpcspe/powerpcspe.c (rs6000_option_override_internal): Ditto. Simplify remaining code. * config/powerpcspe/powerpcspe.h: Ditto. * config/rs6000/rs6000.c (rs6000_option_override_internal): Ditto. Simplify remaining code. (rs6000_expand_builtin): Ditto. * config/rs6000/rs6000.h: Ditto. * configure.ac: Ditto. * configure: Regenerate. 2018-09-27 Martin Liska * coverage.c (get_coverage_counts): Revert the formatting of missing profile opt info. 2018-09-27 Richard Biener PR debug/37801 PR debug/87440 * dwarf2out.c (set_block_origin_self): Do not mark outermost block as we do not output that. (gen_inlined_subroutine_die): Elide the originally outermost block, matching what we do for concrete instances. (decls_for_scope): Add parameter specifying whether to recurse to subblocks. 2018-09-27 Andrew Stubbs Tom de Vries PR 82089 * expmed.c (emit_cstore): Fix handling of result_mode == BImode and STORE_FLAG_VALUE == 1. 2018-09-27 Andreas Krebbel * config/s390/s390.md (PPA_TX_ABORT, PPA_OOO_BARRIER): New constant definitions. ("tx_assist"): Replace magic number with PPA_TX_ABORT. ("*ppa"): Enable pattern also for -march=zEC12 -mno-htm. ("speculation_barrier"): New expander definition. 2018-09-26 Indu Bhagat PR gcov-profile/86957 * common.opt: New warning option -Wmissing-profile. * coverage.c (get_coverage_counts): Add warning for missing .gcda file. * doc/invoke.texi: Document -Wmissing-profile. 2018-09-26 Jim Wilson * config/riscv/riscv.md (subsi3_extended2): Add J constraint. (negdi2, negsi2, negsi2_extended, negsi2_extended2): New. 2018-09-26 Martin Sebor * tree.c (zerop): Change return type to bool. (integer_zerop, integer_onep, integer_each_onep): Same. (integer_all_onesp, integer_minus_onep, integer_pow2p): Same. (integer_nonzerop, integer_truep, tree_ctz, real_zerop): Same. (real_onep, real_minus_onep, chain_index): Same. (print_type_hash_statistics, type_list_equal): Same. * tree.h (zerop): Same. (zerop, integer_zerop, integer_onep, integer_each_onep): Same. (integer_all_onesp, integer_minus_onep, integer_pow2p): Same. (integer_nonzerop, integer_truep, tree_ctz, real_zerop): Same. (real_onep, real_minus_onep, chain_index): Same. (print_type_hash_statistics, type_list_equal): Same. 2018-09-26 Jim Wilson * config/riscv/riscv.h (FUNCTION_ARG_REGNO_P): Fix comment. 2018-09-26 Jakub Jelinek PR target/87414 * config/i386/i386.c: Include debug.h and dwarf2out.h. (output_indirect_thunk): Emit DW_CFA_def_cfa_offset after the call. 2018-09-25 Andrew Stubbs * builtins.c (get_builtin_sync_mem): Force address mode conversion. 2018-09-26 Uros Bizjak * config/i386/i386.h (enum reg_class): Remove FP_TOP_SSE_REGS and FP_SECOND_SSE_REGS. (REG_CLASS_NAMES): Ditto. (REG_CLASS_CONTENTS): Ditto. * config/i386/i386.c (ix86_preferred_reload_class) Do not handle FP_TOP_SSE_REGS and FP_SECOND_SSE_REGS classes. (ix86_preferred_output_reload_class): Ditto. * config/i386/i386.md (fix_trunc_i387_fisttp): Change "=&1f" clobber constraint to "=&f". (fix_truncdi_i387): Ditto. (lrintxfdi2): Ditto. (fistdi2_): Ditto. (fpremxf4_i387): Change "=u" constraint to "=f". (fprem1xf4_i387): Ditto. (sincosxf3): Ditto. (fptanxf4_i387): Ditto. (fxtractxf3_i387): Ditto. (fscalexf4_i387): Ditto. (atan2xf3): Change "u" constraint to "f". (fyl2xxf3_i387): Ditto. (fyl2xp1xf3_i387): Ditto. 2018-09-26 Uros Bizjak PR target/87439 * config/i386/i386.h (NUM_MODES_FOR_MODE_SWITCHING): Update for removed I387_MASK_PM entity. 2018-09-26 Jeff Law Revert 2018-09-26 Alexey Neyman * graphite.h: Include and ; these headers are no longer pulled in by . 2018-09-26 Richard Biener PR debug/87443 * dwarf2out.c (gen_lexical_block_die): Do not equate inline or concrete instance DIE to the tree. Create abstract origin attributes also for concrete instances. 2018-09-26 Alexey Neyman * graphite.h: Include and ; these headers are no longer pulled in by . 2018-09-26 Matthew Malcomson * config/arm/arm.c (arm_split_compare_and_swap, arm_split_atomic_op): Use new helper functions. * config/arm/sync.md (atomic_load, atomic_store): Use new helper functions. * config/arm/aarch-common-protos.h (aarch_mm_needs_acquire, aarch_mm_needs_release): New declarations. * config/arm/aarch-common.c (aarch_mm_needs_acquire, aarch_mm_needs_release): New. 2018-09-26 Eric Botcazou * config/arm/arm.c (arm_reorg): Skip Thumb reorg pass for thunks. (arm32_output_mi_thunk): Deal with long calls. 2018-09-26 Richard Biener PR debug/87428 PR debug/87362 * tree-inline.c (expand_call_inline): When the location of the call is UNKNOWN_LOCATION use DECL_SOURCE_LOCATION or BUILTINS_LOCATION for the BLOCK_SOURCE_LOCATION of the inserted BLOCK to make inlined_function_outer_scope_p recognize it. * dwarf2out.c (add_call_src_coords_attributes): Do not add coords for reserved locations. 2018-09-25 Segher Boessenkool * config/rs6000/rs6000.md (*movcc_internal1): Use set_attr_alternative. (*call_indirect_nonlocal_sysv): Ditto. (*call_value_indirect_nonlocal_sysv): Ditto. (*sibcall_nonlocal_sysv): Ditto. (*sibcall_value_nonlocal_sysv): Ditto. (_): Ditto. (tf_): Ditto. 2018-09-25 Segher Boessenkool * config/rs6000/altivec.md (*altivec_mov): Write the output control string as a list of templates instead of as C code. (*altivec_movti): Ditto. * config/rs6000/darwin.md (movdf_low_di): Ditto. 2018-09-25 Jim Wilson * config/riscv/riscv.c (riscv_split_symbol): Mark auipc label as weak when target symbol is weak. 2018-09-25 Bernd Edlinger PR c/87387 * builtins.c (unterminated_array): Simplify. * expr.c (string_constant): Handle SSA_NAME. Add more exceptions where pointer arithmetic is safe. 2018-09-25 Segher Boessenkool PR target/86987 * config/rs6000/altivec.md (altivec_vspltb): Use const_0_to_15_operand instead of u5bit_cint_operand. (*altivec_vspltb_internal): Ditto. (altivec_vspltb_direct): Ditto. (altivec_vsplth): Use const_0_to_7_operand instead of u5bit_cint_operand. (*altivec_vsplth_internal): Ditto. (altivec_vsplth_direct): Ditto. (altivec_vspltw): Use const_0_to_3_operand instead of u5bit_cint_operand. (*altivec_vspltw_internal): Ditto. (altivec_vspltw_direct): Ditto. (altivec_vspltsf): Ditto. (*altivec_vspltsf_internal): Ditto. * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Handle the various splats with the proper size immediate. Reorder the various cases by ascending size of immediate, and put all such together. 2018-09-25 Richard Biener PR debug/83941 * dwarf2out.c (add_AT_external_die_ref): Remove now redundant GC-ification. (maybe_create_die_with_external_ref): Do not create DW_TAG_imported_unit here. (add_abstract_origin_attribute): Handle external BLOCK refs. (dwarf2out_abstract_function): Simplify LTO case. (dwarf2out_early_finish): Create DW_TAG_imported_unit explicitely rather than using maybe_create_die_with_external_ref. 2018-09-25 Uros Bizjak PR target/71278 * config/i386/i386.md (frndintxf2_mask_pm): Remove. (frndintxf2_mask_pm_i387): Ditto. (nearbyintxf2): Rewrite expander pattern to match rintxf2. Enable for !flag_trapping_math. (nearbyint2): Enable x87 modes for !flag_trapping_math. Enable SSE modes for TARGET_SSE4_1 and expand them with round insn. Change operand 1 predicate to nonimmediate_operand. (attr "i387_cw"): Remove mask_pm. * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_CW_MASK_PM. (enum ix86_entity): Remove I387_MASK_PM. * config/i386/i386.c (ix86_i387_mode_needed): Do not handle I387_MASK_PM. (ix86_mode_needed): Ditto. (ix86_mode_after): Ditto. (ix86_mode_entry): Ditto. (ix86_mode_exit): Ditto. (emit_i387_cw_initialization): Do not handle I387_CW_MASK_PM. 2018-09-25 Jakub Jelinek * vr-values.c (vr_values::vr_values): Initialize to_remove_edges and to_update_switch_stmts to vNULL instead of calling create on them immediately. 2018-09-25 Richard Biener PR tree-optimization/87402 * tree-ssa-sccvn.c (SSA_VISITED): Remove unused function. (visit_phi): Re-instantiate handling of supposed to be VARYING but non-VARYING backedge value. 2018-09-25 Richard Biener PR debug/83941 * dwarf2out.c (struct sym_off_pair): New. (external_die_map): New global. (lookup_decl_die): When in LTO create DIEs lazily from the external_die_map. (lookup_block_die): New function, create DIEs lazily in LTO. (equate_block_to_die): New function. (dwarf2out_die_ref_for_decl): During WPA get the association from the external DIE map. (dwarf2out_register_external_die): Record mapping into the external DIE map. (maybe_create_die_with_external_ref): New function split out from DIE generation part of old dwarf2out_register_external_die. (add_abstract_origin_attribute): Do not return the DIE. When in LTO reference externals directly. (dwarf2out_abstract_function): When in LTO ignore calls for decls with external DIEs (already present abstract instances). (gen_call_site_die): Adjust. (add_high_low_attributes): Likewise. (gen_lexical_block_die): Likewise. (gen_inlined_subroutine_die): Likewie. (gen_block_die): Likewise. (dwarf2out_inline_entry): Likewise. (dwarf2out_early_finish): In LTRANS phase create DW_TAG_imported_unit DIEs. 2018-09-25 Martin Liska * ipa-fnsummary.c (estimate_node_size_and_time): Scale by two integers and not by a float value. 2018-09-25 Martin Liska PR fortran/87394 * dbgcnt.c (dbg_cnt_process_single_pair): Return false instead of NULL. * dumpfile.c (dump_enable_all): Remove extra parenthesis. * gcov-tool.c: Declare the function with ATTRIBUTE_NORETURN. * godump.c (go_format_type): Remove extra parenthesis. 2018-09-25 Martin Liska * alias.c (set_dest_equal_p): Remove unused function. * config/i386/i386.c (def_builtin_pure2): Likewise. * diagnostic-show-locus.c (class layout): Remove unused field. (layout::layout): Likewise here. * dump-context.h (class temp_dump_context): Likewise. * dwarf2out.c (add_AT_fde_ref): Remove unused function. (add_AT_loclistsptr): Likewise. (add_AT_offset): Likewise. (get_AT_hi_pc): Likewise. (is_comdat_die): Likewise. (type_is_enum): Likewise. (ceiling): Likewise. (add_AT_vms_delta): Likewise. (is_class_die): Likewise. * edit-context.c (class line_event): Remove unused field. * graphite-sese-to-poly.c (tree_int_to_gmp): Remove unused function. * ipa-cp.c (ipa_get_vr_lat): Likewise. * lra-constraints.c (ok_for_index_p_nonstrict): Likewise. (ok_for_base_p_nonstrict): Likewise. * tree-chrec.c (is_not_constant_evolution): Likewise. (chrec_fold_poly_cst): Likewise. * tree-if-conv.c (has_pred_critical_p): Likewise. * tree-ssa-coalesce.c (print_exprs): Likewise. * tree-ssa-pre.c (bitmap_set_contains_expr): Likewise. * tree-ssa-uninit.c (is_and_or_or_p): Likewise. * tree-vrp.c (value_ranges_intersect_p): Likewise. (value_range_nonnegative_p): Likewise. 2018-09-25 Martin Liska * config/powerpcspe/powerpcspe.c (rs6000_output_function_epilogue): Do not handle "GNU Pascal". * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Likewise. * config/sparc/sparc.c (sparc_pass_by_reference): Remove Pascal from documentation. Likewise. * dbxout.c (dbxout_range_type): Likewise. * doc/cpp.texi: Likewise. * doc/extend.texi: Likewise. * doc/frontends.texi: Likewise. * doc/invoke.texi: Remove Pascal entry. * tree.def (CLEANUP_POINT_EXPR): Likewise. * doc/rtl.texi (MODE_FUNCTION): Remove not used entry. 2018-09-25 Martin Liska PR middle-end/86078 * doc/invoke.texi: Document all parameters and remove default of the parameters. 2018-09-25 Ilya Leoshkevich PR bootstrap/87417 * rtl.c (rtx_code_size): Take into account that EQ_ATTR_ALT contains HOST_WIDE_INTs when computing its size. 2018-09-24 Jim Wilson PR target/87391 * config/riscv/riscv.h (STACK_BOUNDARY): Test riscv_abi == ABI_ILP32E not TARGET_RVE. (ABI_STACK_BOUNDARY, MAX_ARGS_IN_REGISTERS): Likewise. 2018-09-24 Andrew Pinski * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Don't access prev before checking it for NULLness in the AARCH64_FUSE_CMP_BRANCH case. 2018-09-24 H.J. Lu PR target/82699 * config/i386/i386.c (rest_of_insert_endbranch): Set endbr_queued_at_entrance to true and don't insert ENDBR if x86_function_profiler will be called. (x86_function_profiler): Insert ENDBR if endbr_queued_at_entrance is true. * config/i386/i386.h (machine_function): Add endbr_queued_at_entrance. 2018-09-24 Ilya Leoshkevich * genattrtab.c (mk_attr_alt): Use alternative_mask. (attr_rtx_1): Adjust caching to match the new EQ_ATTR_ALT field types. (check_attr_test): Use alternative_mask. (get_attr_value): Likewise. (compute_alternative_mask): Use alternative_mask and XWINT. (make_alternative_compare): Use alternative_mask. (attr_alt_subset_p): Use XWINT. (attr_alt_subset_of_compl_p): Likewise. (attr_alt_intersection): Use alternative_mask and XWINT. (attr_alt_union): Likewise. (attr_alt_complement): Use HOST_WIDE_INT and XWINT. (mk_attr_alt): Use alternative_mask and HOST_WIDE_INT. (simplify_test_exp): Use alternative_mask and XWINT. (write_test_expr): Use alternative_mask and XWINT, adjust bit number calculation to support 64 bits. Generate code that checks 64-bit masks. (main): Use alternative_mask. * rtl.def (EQ_ATTR_ALT): Change field types from ii to ww. 2018-09-24 Ilya Leoshkevich PR target/80080 * config/s390/s390.c (s390_emit_epilogue): Do not use PARALLEL RETURN+USE when returning via %r14. 2018-09-24 Martin Liska * gcov.c (output_lines): Print colorization legend for both flag_use_colors and flag_use_hotness_colors. Reword the help. 2018-09-24 Martin Liska * coverage.c (get_coverage_counts): Use warning_at with current_function_decl location. Use %qD in warning message. 2018-09-24 Martin Liska * memory-block.h (memory_block_pool::release): Annotate with valgrind that the memory is not accessible. 2018-09-24 Martin Liska PR sanitizer/85774 * asan.c: Make asan_handled_variables extern. * asan.h: Likewise. * cfgexpand.c (expand_stack_vars): Make sure a representative is unpoison if another variable in the partition is handled by use-after-scope sanitization. 2018-09-24 Richard Biener PR tree-optimization/63155 * tree-ssa-propagate.c (add_ssa_edge): Avoid adding PHIs to the worklist when the edge of the respective argument isn't executable. 2018-09-23 Uros Bizjak * config/i386/i386.h (enum reg_class): Rename MASK_REGS to ALL_MASK_REGS and MASK_EVEX_REGS to MASK_REGS. (MASK_CLASS_P): Update for rename. (MAYBE_MASK_CLASS_P): Ditto. (REG_CLASS_NAMES): Update. (REG_CLASS_CONTENT): Update. * config/i386/i386.c (regclass_map): Update for MASK_REG and ALL_MASK_REGS rename. * config/i386/constraints.md (Yk): Update for rename. (k): Ditto. 2018-09-23 Uros Bizjak * config/i386/i386.h (enum reg_class): Remove EVEX_SSE_REGS and MOD4_SSE_REGS. (REG_CLASS_NAMES): Update. (REG_CLASS_CONTENT): Update. * config/i386/i386.c (regclass_map): Declare AVX-512 SSE registers as ALL_SSE_REGS. (ix86_additional_allocno_class_p): Remove. (TARGET_ADDITIONAL_ALLOCNO_CLASS_P): Remove. (ix86_register_priority): Lower priority of EVEX SSE registers. Use IN_RANGE macro where appropriate. (ix86_hard_regno_mode_ok): Merge AVX-5124FMAPS and AVX-5124VNNIW checks. (ix86_modes_tieable_p): Tie 512-bit SSE modes. * config/i386/sse.md (avx5124fmaddps_4fmaddps) (avx5124fmaddps_4fmaddps_mask, avx5124fmaddps_4fmaddps_maskz) (avx5124fmaddps_4fmaddss, avx5124fmaddps_4fmaddss_mask) (avx5124fmaddps_4fmaddss_maskz, avx5124fmaddps_4fnmaddps) (avx5124fmaddps_4fnmaddps_mask, avx5124fmaddps_4fnmaddps_maskz) (avx5124fmaddps_4fnmaddss, avx5124fmaddps_4fnmaddss_mask) (avx5124fmaddps_4fnmaddss_maskz, avx5124vnniw_vp4dpwssd) (avx5124vnniw_vp4dpwssd_mask, avx5124vnniw_vp4dpwssd_maskz) (avx5124vnniw_vp4dpwssds, avx5124vnniw_vp4dpwssds_mask) (avx5124vnniw_vp4dpwssds_maskz): Use "v" instead of "Yh" constraint. * config/i386/constraints.md (Yh): Remove. 2018-09-23 Uros Bizjak * config/i386/i386.c (regclass_map): Declare integer REX registers as GENERAL_REGS. 2018-09-23 Gerald Pfeifer * doc/service.texi (Service): Switch the fsf.org link to https. 2018-09-22 Chung-Ju Wu PR target/86798 * config/nds32/nds32.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-09-21 Florian Weimer PR middle-end/81035 * doc/extend.texi (Common Function Attributes): Mention that noreturn suppresses tail call optimization. 2018-09-21 Jeff Law * gimple-ssa-evrp.c (evrp_dom_walker::cleanup): Call vr_values::cleanup_edges_and_switches. * tree-vrp.c (to_remove_edges, to_update_switch_stmts): Moved into vr_values class. (identify_jump_threads): Remove EDGE_IGNORE handling. (execute_vrp): Move handling of to_remove_edges and to_update_switch_stmts into vr_values class member functions. * tree-vrp.h (switch_update, to_remove_edges): Remove declarations. (to_update_switch_stmts): Likewise. * vr-values.c: Include cfghooks.h. (vr_values::vr_values): Initialize to_remove_edges and to_update_switch_stmts. (vr_values::~vr_values): Verify to_remove_edges and to_update_switch_stmts are empty. (vr_values::simplify_switch_using_ranges): Set EDGE_IGNORE as needed. (vr_values::cleanup_edges_and_switches): New member function. * vr-values.h (vr_values): Add cleanup_edges_and_switches member function. Add new data members. 2018-09-21 David Malcolm PR tree-optimization/87309 * dumpfile.c (dump_context::begin_scope): Filter the dump_loc calls with pflags and alt_flags. (selftest::test_capture_of_dump_calls): Add test of interaction of MSG_OPTIMIZED_LOCATIONS with AUTO_DUMP_SCOPE. 2018-09-21 Olivier Hainque * config.gcc: Factorize and comment inclusion of vxworks-dummy.h. 2018-09-21 Olivier Hainque * config/vxworks.h (CLEAR_INSN_CACHE): #define to 1. 2018-09-21 Olivier Hainque * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Remove -lc_internal. Merge block comment with the one ahead of VXWORKS_LIBS_RTP. Then: (VXWORKS_LIBS_RTP): Minor reordering. 2018-09-21 Olivier Hainque * config/vxworks.h (STARTFILE_PREFIX_SPEC): Define. (VXWORKS_LIBS_DIR_RTP): Remove definition and use. 2018-09-21 Olivier Hainque * config/vxworks.h (SIZE_TYPE): Account for TARGET_VXWORKS64. (PTRDIFF_TYPE): Likewise. 2018-09-21 Olivier Hainque * config.gcc: Enforce def of TARGET_VXWORKS64 to 1 from triplet, similar to support for VxWorks7. * config/vxworks-dummy.h: Provide a default definition of TARGET_VXWORKS64 to 0. 2018-09-21 Olivier Hainque * config/vxworks.h (TARGET_VXWORKS7): Move default definition ... * config/vxworks-dummy.h: here. 2018-09-21 Olivier Hainque * config.gcc: Prepend vxworks-dummy.h to tm_file for powerpc* 2018-09-21 Shaokun Zhang Bo Zhou * config/aarch64/aarch64-cores.def (tsv110): New CPU. * config/aarch64/aarch64-tune.md: Regenerated. * doc/invoke.texi (AArch64 Options/-mtune): Add "tsv110". * config/aarch64/aarch64.c (tsv110_tunings): New tuning table. * config/aarch64/aarch64-cost-tables.h: Add "tsv110" extra costs. 2018-09-21 Andrew Stubbs Julian Brown * builtins.c (get_builtin_sync_mem): Handle address spaces. 2018-09-21 Eric Botcazou * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Return false if the call takes a static chain. 2018-09-21 Martin Liska * auto-profile.c (autofdo_source_profile::read): Do not set sum_all. (read_profile): Do not add working sets. (read_autofdo_file): Remove sum_all. (afdo_callsite_hot_enough_for_early_inline): Remove const qualifier. * coverage.c (struct counts_entry): Remove gcov_summary. (read_counts_file): Read new GCOV_TAG_OBJECT_SUMMARY, do not support GCOV_TAG_PROGRAM_SUMMARY. (get_coverage_counts): Remove summary and expected arguments. * coverage.h (get_coverage_counts): Likewise. * doc/gcov-dump.texi: Remove -w option. * gcov-dump.c (dump_working_sets): Remove. (main): Do not support '-w' option. (print_usage): Likewise. (tag_summary): Likewise. * gcov-io.c (gcov_write_summary): Do not dump histogram. (gcov_read_summary): Likewise. (gcov_histo_index): Remove. (gcov_histogram_merge): Likewise. (compute_working_sets): Likewise. * gcov-io.h (GCOV_TAG_OBJECT_SUMMARY): Mark it not obsolete. (GCOV_TAG_PROGRAM_SUMMARY): Mark it obsolete. (GCOV_TAG_SUMMARY_LENGTH): Adjust. (GCOV_HISTOGRAM_SIZE): Remove. (GCOV_HISTOGRAM_BITVECTOR_SIZE): Likewise. (struct gcov_summary): Simplify rapidly just to runs and sum_max fields. (gcov_histo_index): Remove. (NUM_GCOV_WORKING_SETS): Likewise. (compute_working_sets): Likewise. * gcov-tool.c (print_overlap_usage_message): Remove trailing empty line. * gcov.c (read_count_file): Read GCOV_TAG_OBJECT_SUMMARY. (output_lines): Remove program related line. * ipa-profile.c (ipa_profile): Do not consider GCOV histogram. * lto-cgraph.c (output_profile_summary): Do not stream GCOV histogram. (input_profile_summary): Do not read it. (merge_profile_summaries): And do not merge it. (input_symtab): Do not call removed function. * modulo-sched.c (sms_schedule): Do not print sum_max. * params.def (HOT_BB_COUNT_FRACTION): Reincarnate param that was removed when histogram method was invented. (HOT_BB_COUNT_WS_PERMILLE): Mention that it's used only in LTO mode. * postreload-gcse.c (eliminate_partially_redundant_load): Fix GCOV coding style. * predict.c (get_hot_bb_threshold): Use HOT_BB_COUNT_FRACTION and dump selected value. * profile.c (add_working_set): Remove. (get_working_sets): Likewise. (find_working_set): Likewise. (get_exec_counts): Do not work with working sets. (read_profile_edge_counts): Do not inform as sum_max is removed. (compute_branch_probabilities): Likewise. (compute_value_histograms): Remove argument for call of get_coverage_counts. * profile.h: Do not make gcov_summary const. 2018-09-21 Monk Chiang * config.gcc (nds32*-*-*): Set TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0. 2018-09-21 Eric Botcazou PR tree-optimization/86990 * gimple-ssa-store-merging.c (imm_store_chain_info:coalesce_immediate): Check that the entire merged store group is made of constants only for overlapping stores. 2018-09-20 Allan Sandfeld Jensen * gcc.c (LINK_COMMAND_SPEC): Handle -r like -nostdlib. (VTABLE_VERIFICATION_SPEC): Likewise. (SANITIZER_EARLY_SPEC): Likewise. (SANITIZER_SPEC): Likewise. * config/darwin.h (LINK_COMMAND_SPEC): Likewise. * doc/invoke.texi (Link Options): Document -r. 2018-09-20 Richard Biener PR middle-end/87054 * gimplify.c (gimplify_expr): Retain alignment of addressable lvalue in dereference. 2018-09-20 Alexandre Oliva PR bootstrap/87013 * configure.ac: Check for .loc is_stmt support. * configure, config.in: Rebuilt. * dwarf2out.c (dwarf2out_source_line): Skip is_stmt if not supported. 2018-09-20 Segher Boessenkool * config/rs6000/rs6000.opt (misel=no, misel=yes): Delete. * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -misel=yes and -misel=no. 2018-09-20 Segher Boessenkool * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_OTHER. * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete case VECTOR_OTHER. 2018-09-20 Marek Polacek * doc/invoke.texi: Add -Wno-init-list-lifetime to C++ Language Options. 2018-09-20 Richard Sandiford PR tree-optimization/87288 * tree-vect-loop.c (vect_analyze_loop_2): Take PEELING_FOR_GAPS into account when determining PEELING_FOR_NITERS. 2018-09-20 Richard Sandiford PR tree-optimization/86877 * tree-vect-loop.c (vect_analyze_loop_2): Call vect_verify_datarefs_alignment. 2018-09-19 Marek Polacek * doc/invoke.texi: Document -Wclass-conversion. 2018-09-19 John David Anglin * config/pa/pa.c (pa_adjust_priority): Delete. (TARGET_SCHED_ADJUST_PRIORITY): Delete define. * config/pa/pa.md (atomic_storeqi): Restore deleted expander. (atomic_storehi): Likewise. (atomic_storesi): Likewise. (atomic_loaddi): Restore compare and swap exchange loop code. 2018-09-19 Segher Boessenkool PR rtl-optimization/86902 * combine.c (try_combine): When changing the CC mode used, don't change an unrelated mode in other_insn to that new CC mode. 2018-09-19 David Malcolm * tree-data-ref.c (runtime_alias_check_p): Use formatted printing with %T in place of calls to dump_generic_expr. (prune_runtime_alias_test_list): Likewise. (create_runtime_alias_checks): Likewise. * tree-vect-data-refs.c (vect_check_nonzero_value): Likewise. (vect_analyze_data_ref_dependence): Likewise. (vect_slp_analyze_data_ref_dependence): Likewise. (vect_record_base_alignment): Likewise. Use %G in place of call to dump_gimple_stmt. (vect_compute_data_ref_alignment): Likewise. (verify_data_ref_alignment): Likewise. (vect_find_same_alignment_drs): Likewise. (vect_analyze_group_access_1): Likewise. (vect_analyze_data_ref_accesses): Likewise. (dependence_distance_ge_vf): Likewise. (dump_lower_bound): Likewise. (vect_prune_runtime_alias_test_list): Likewise. (vect_find_stmt_data_reference): Likewise. (vect_analyze_data_refs): Likewise. (vect_create_addr_base_for_vector_ref): Likewise. (vect_create_data_ref_ptr): Likewise. * tree-vect-loop-manip.c (vect_set_loop_condition): Likewise. (vect_can_advance_ivs_p): Likewise. (vect_update_ivs_after_vectorizer): Likewise. (vect_gen_prolog_loop_niters): Likewise. (vect_prepare_for_masked_peels): Likewise. * tree-vect-loop.c (vect_determine_vf_for_stmt): Likewise. (vect_determine_vectorization_factor): Likewise. (vect_is_simple_iv_evolution): Likewise. (vect_analyze_scalar_cycles_1): Likewise. (vect_analyze_loop_operations): Likewise. (report_vect_op): Likewise. (vect_is_slp_reduction): Likewise. (check_reduction_path): Likewise. (vect_is_simple_reduction): Likewise. (vect_create_epilog_for_reduction): Likewise. (vect_finalize_reduction:): Likewise. (vectorizable_induction): Likewise. (vect_transform_loop_stmt): Likewise. (vect_transform_loop): Likewise. (optimize_mask_stores): Likewise. * tree-vect-patterns.c (vect_pattern_detected): Likewise. (vect_split_statement): Likewise. (vect_recog_over_widening_pattern): Likewise. (vect_recog_average_pattern): Likewise. (vect_determine_min_output_precision_1): Likewise. (vect_determine_precisions_from_range): Likewise. (vect_determine_precisions_from_users): Likewise. (vect_mark_pattern_stmts): Likewise. (vect_pattern_recog_1): Likewise. * tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise. (vect_record_max_nunits): Likewise. (vect_build_slp_tree_1): Likewise. (vect_build_slp_tree_2): Likewise. (vect_print_slp_tree): Likewise. (vect_analyze_slp_instance): Likewise. (vect_detect_hybrid_slp_stmts): Likewise. (vect_detect_hybrid_slp_1): Likewise. (vect_slp_analyze_operations): Likewise. (vect_slp_analyze_bb_1): Likewise. (vect_transform_slp_perm_load): Likewise. (vect_schedule_slp_instance): Likewise. * tree-vect-stmts.c (vect_mark_relevant): Likewise. (vect_mark_stmts_to_be_vectorized): Likewise. (vect_init_vector_1): Likewise. (vect_get_vec_def_for_operand): Likewise. (vect_finish_stmt_generation_1): Likewise. (vect_check_load_store_mask): Likewise. (vectorizable_call): Likewise. (vectorizable_conversion): Likewise. (vectorizable_operation): Likewise. (vectorizable_load): Likewise. (vect_analyze_stmt): Likewise. (vect_is_simple_use): Likewise. (vect_get_vector_types_for_stmt): Likewise. (vect_get_mask_type_for_stmt): Likewise. * tree-vectorizer.c (increase_alignment): Likewise. 2018-09-19 Andrew Stubbs * doc/rtl.texi: Adjust vec_select description. * simplify-rtx.c (simplify_binary_operation_1): Allow VEC_SELECT to use non-constant selectors. 2018-09-19 Matthew Malcomson * config/aarch64/aarch64-protos.h (aarch64_offset_9bit_signed_unscaled_p): New declaration. * config/aarch64/aarch64.md (arches): New "rcpc8_4" attribute value. (arch_enabled): Add check for "rcpc8_4" attribute value of "arch". * config/aarch64/aarch64.h (AARCH64_FL_RCPC8_4): New bitfield. (AARCH64_FL_FOR_ARCH8_4): Include AARCH64_FL_RCPC8_4. (AARCH64_FL_PROFILE): Move index so flags are ordered. (AARCH64_ISA_RCPC8_4): New flag. * config/aarch64/aarch64.c (offset_9bit_signed_unscaled_p): Renamed to aarch64_offset_9bit_signed_unscaled_p. * config/aarch64/atomics.md (atomic_store): Allow offset and use stlur. * config/aarch64/constraints.md (Ust): New constraint. * config/aarch64/predicates.md. (aarch64_9bit_offset_memory_operand): New predicate. (aarch64_rcpc_memory_operand): New predicate. 2018-09-19 Eric Botcazou PR rtl-optimization/87361 * rtlanal.c (nonzero_bits1): Revert accidental change. 2018-09-19 Richard Biener PR tree-optimization/87349 PR tree-optimization/87342 * tree-ssa-sccvn.c (do_rpo_vn): Iterate max_rpo computation. 2018-09-18 Marek Polacek P1064R0 - Allowing Virtual Function Calls in Constant Expressions * gimple-fold.c (gimple_get_virt_method_for_vtable): Adjust assert. 2018-09-18 Segher Boessenkool * config/rs6000/rs6000.md: Remove old "Cygnus sibcall" comment. 2018-09-18 Segher Boessenkool PR rtl-optimization/86882 * rtlanal.c (reg_overlap_mentioned_p): Handle CLOBBER. 2018-09-18 Uros Bizjak * config/i386/i386.md (*extendxf2): Macroize insn from *extendsfxf2 and *extenddfxf2 using MODEF mode iterator. 2018-09-18 Jonathan Wakely PR other/87353 * doc/invoke.texi (Link Options): Fix formatting and grammar. 2018-09-18 Richard Biener PR middle-end/63155 * tree-ssa-coalesce.c (tree_int_map_hasher): Remove. (compute_samebase_partition_bases): Likewise. (coalesce_ssa_name): Always use compute_optimized_partition_bases. (gimple_can_coalesce_p): Simplify. 2018-09-18 Hans-Peter Nilsson Handle a library implementation of ffs calling __builtin_ffs. * config/mmix/mmix.c (TARGET_INIT_LIBFUNCS): Override with... (mmix_init_libfuncs): New function: make __builtin_ffs expand to __ffsdi2. 2018-09-17 David Malcolm * diagnostic-show-locus.c (class layout_range): Add field "m_original_idx". (layout_range::layout_range): Add "original_idx" param and use it to initialize new field. (make_range): Use 0 for original_idx. (layout::layout): Pass in index to calls to maybe_add_location_range. (layout::maybe_add_location_range): Add param "original_idx" and pass it on to layout_range. (layout::print_any_labels): Pass on range->m_original_idx to get_text call. (gcc_rich_location::add_location_if_nearby): Use 0 for original_idx. * gcc-rich-location.h (text_range_label::get_text): Update for new param. (range_label_for_type_mismatch::get_text): Likewise. 2018-09-17 Uros Bizjak * config/i386/i386.c (ix86_emit_i387_log1p): Emit fldln2 earlier. 2018-09-17 David Malcolm * gimple-ssa-sprintf.c (fmtwarn): Update for introduction of format_string_diagnostic_t. (fmtwarn_n): Likewise. * substring-locations.c (format_string_diagnostic_t::format_string_diagnostic_t) New ctor. (format_warning_n_va): Convert to... (format_string_diagnostic_t::emit_warning_n_va): ...this. (format_warning_va): Convert to... (format_string_diagnostic_t::emit_warning_va): ...this. (format_warning_at_substring): Convert to... (format_string_diagnostic_t::emit_warning): ...this. (format_warning_at_substring_n): Convert to... (format_string_diagnostic_t::emit_warning_n): ...this. * substring-locations.h (class format_string_diagnostic_t): New class. (format_warning_va): Convert to format_string_diagnostic_t::emit_warning_va. (format_warning_n_va): Convert to format_string_diagnostic_t::emit_warning_n_va. (format_warning_at_substring): Convert to format_string_diagnostic_t::emit_warning. (format_warning_at_substring_n): Convert to format_string_diagnostic_t::emit_warning_n. 2018-09-17 Cesar Philippidis Bernd Schmidt * config/nvptx/nvptx.md (atomic_fetch_): Enable with SImode args. 2018-09-17 Uros Bizjak * config/i386/i386.md (truncxf2_i387_noop_unspec): Change operand 0 predicate to nonimmediate operand. (rint2_frndint): Remove insn pattern. (rint2): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate rintxf2 insn. (frndintxf2_): Rename from frndint2_. Do not use X87MODEF mode macro. (frndintxf2__i387): Rename from frndint2__i387. Do not use X87MODEF mode macro. (2): For non-SSE modes, extend operand 1 to XFmode and generate significandxf3 insn. 2018-09-17 Richard Biener PR tree-optimization/87328 * tree-ssa-sccvn.c (process_bb): Remove assertion about not visiting unexecutable backedges when not iterating. (do_rpo_vn): Mark all edges not executable even when not iterating. 2018-09-17 Martin Jambor PR c/63886 * doc/invoke.texi (Warning Options): Likewise. 2018-09-17 Richard Biener PR tree-optimization/87301 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_cleanup): Properly clean EH info from leftover copy assignments. 2018-09-17 Martin Liska PR gcov-profile/85871 * gcov.c (output_intermediate_file): Fix out of bounds access. 2018-09-17 Vineet Gupta * config/arc/arc.c: Object attributes for core4 not reflected correctly. * config/arc/arc.h: Don't restrict DBNZ to core3 (core4 includes core3). 2018-09-17 Alexey Brodkin * config/arc/linux.h (LINK_EH_SPEC): Add missing space. 2018-09-17 Martin Liska * doc/gcov.texi: Document new option --use-hotness-colors. * gcov.c (struct source_info): Declare new field. (source_info::source_info): Set default for maximum_count. (print_usage): Add new -q option. (process_args): Process it. (accumulate_line_info): Save src->maximum_count. (output_line_beginning): Make color line number if flag_use_hotness_colors is set. (output_line_details): Pass default argument value. (output_lines): Pass src->maximum_count. 2018-09-17 Martin Liska * common/config/i386/i386-common.c (ix86_get_valid_option_values): Use processor_names table. * config/i386/i386.c (ix86_default_align): Use processor_cost_table for alignment values. (ix86_option_override_internal): Use processor_names. (ix86_function_specific_print): Likewise. * config/i386/i386.h (struct processor_costs): Add alignment values. (struct ptt): Remove and replace with const char *. * config/i386/x86-tune-costs.h (struct processor_costs): Declare default alignments for all costs. 2018-09-17 Aldy Hernandez * tree-vrp.c (extract_range_from_unary_expr): Do not special case symbolics or VR_VARYING ranges for ABS_EXPR. * wide-int-range.cc (wide_int_range_abs): Return positive numbers when range will wrap. 2018-09-15 Eric Botcazou PR middle-end/86864 * cfgexpand.c (expand_gimple_basic_block): Be prepared for a BARRIER before and after a JUMP_TABLE_DATA. 2018-09-14 John David Anglin PR middle-end/87188 * dojump.c (do_compare_and_jump): Canonicalize function pointers when one operand is a function pointer. Use POINTER_TYPE_P and FUNC_OR_METHOD_TYPE_P. * expr.c (do_store_flag): Use POINTER_TYPE_P and FUNC_OR_METHOD_TYPE_P. * fold-const.c (build_range_check): Likewise. * match.pd (simple_comparison): Likewise. 2018-09-14 David Malcolm PR c/82967 * spellcheck.c (get_edit_distance_cutoff): New function. (selftest::test_edit_distance_unit_test_oneway): Rename to... (selftest::test_get_edit_distance_one_way): ...this. (selftest::test_get_edit_distance_unit): Rename to... (selftest::test_get_edit_distance_both_ways): ...this. (selftest::test_edit_distances): Move tests to this new function, and test some more pairs of strings. Update for above renaming. (selftest::get_old_cutoff): New function. (selftest::test_get_edit_distance_cutoff): New function. (selftest::assert_suggested_for): New function. (ASSERT_SUGGESTED_FOR): New macro. (selftest::assert_not_suggested_for): New function. (ASSERT_NOT_SUGGESTED_FOR): New macro. (selftest::test_suggestions): New function. (selftest::spellcheck_c_tests): Move test_get_edit_distance_unit tests to selftest::test_edit_distances and call it. Add calls to selftest::test_get_edit_distance_cutoff and selftest::test_suggestions. * spellcheck.h (get_edit_distance_cutoff): New function declaration. (best_match::consider): Replace hard-coded cutoff calculation with a call to... (best_match::get_cutoff): New declaration. (best_match::get_best_meaningful_candidate): Likewise. 2018-09-14 Bernd Edlinger * builtins.c (fold_builtin_strlen): Remove TODO comment. 2018-09-14 Bernd Edlinger revert: 2018-07-30 Bernd Edlinger * tree-ssa-forwprop.c (simplify_builtin_call): Don't create a not NUL terminated string literal. 2018-09-14 Martin Sebor * builtins.c (unterminated_array): Handle ARRAY_REF. (expand_builtin_stpcpy_1): Detect unterminated char arrays. * builtins.h (unterminated_array): Declare extern. * gimple-fold.c (gimple_fold_builtin_stpcpy): Detect unterminated arrays. (gimple_fold_builtin_sprintf): Propagate NO_WARNING to transformed calls. 2018-09-14 Martin Sebor Jeff Law * builtins.c (unterminated_array): New. (expand_builtin_strcpy): Adjust. (expand_builtin_strcpy_args): Detect unterminated arrays. * gimple-fold.c (get_maxval_strlen): Add argument. Detect unterminated arrays. * gimple-fold.h (get_maxval_strlen): Add argument. (gimple_fold_builtin_strcpy): Detec unterminated arrays. * gimple-fold.c (get_range_strlen): Add argument. (get_maxval_strlen): Adjust. * gimple-fold.h (get_range_strlen): Add argument. 2018-09-14 Wei Xiao * config/i386/movdirintrin.h: Fix copyright year. 2018-09-14 Uros Bizjak * reg-stack.c: Include regs.h. (replace_reg): Assert that mode is MODE_FLOAT or MODE_COMPLEX_FLOAT. (emit_pop_insn): Default pop insn mode to the reg_raw_mode of FIRST_STACK_REG, not DFmode. (emit_swap_insn): Default swap insn mode to the reg_raw_mode of FIRST_STACK_REG, not XFmode. Explicitly construct swap RTX. (change stack): Default register mode to the reg_raw_mode of FIRST_STACK_REG, not DFmode. * config/i386/i386.md (*swap): Remove insn pattern. (*swapxf): Rename from swapxf. 2018-09-14 Carl Love * config/rs6000/emmintrin.h: Add _MM_SHUFFLE2. * config/rs6000/xmmintrin.h: Add _MM_SHUFFLE. 2018-09-14 Segher Boessenkool PR target/87224 * config/rs6000/rs6000.md (*mov_hardfloat64): Add Z to the Y alternatives. 2018-09-14 Sam Tebbs PR target/85628 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Define. 2018-09-14 Jason Merrill Fix --enable-gather-detailed-mem-stats. * hash-table.c (hash_table_usage): Change from variable to function. * hash-table.h: Adjust. * Makefile.in: Add missing dependencies on hash-table.h. 2018-09-14 Kyrylo Tkachov PR tree-optimization/87259 PR lto/87283 (pass_cse_reciprocals::execute): Run optimize_recip_sqrt after execute_cse_reciprocals_1 has tried transforming. 2018-09-14 Aldy Hernandez * tree-vrp.c (extract_range_from_binary_expr_1): Normalize VR_VARYING for PLUS/MINUS_EXPR. 2018-09-14 Ilya Leoshkevich * config/s390/s390-passes.def (INSERT_PASS_BEFORE): Improve formatting. 2018-09-14 Richard Biener PR middle-end/63155 * tree-ssa-coalesce.c (ssa_conflicts_merge): Remove conflict bits for the merged partition. 2018-09-13 Martin Sebor Bernd Edlinger * builtins.h (c_srlen): Add argument. * builtins.c (warn_string_no_nul): New function. (c_strlen): Add argument and use it. Update recursive calls. Pass DECL argument to string_constant to get info on non terminated strings. Update *NONSTR as needed. (fold_builtin_strlen): Add argument to calls to c_strlen. Warn for unterminated arrays. (warn_string_no_null): Add prototype. * expr.c (string_constant): Update arguments. Update recursive calls appropriately. Detect missing NUL terminator and outermost declaration its missing in. Improve checks for arrays with nonzero lower bound or elements that are not a single byte. Simplify offset computation. Simplify checks for non-NUL terminated strings. * gimple-fold.c (get_range_strlen): Add argument to c_strlen call. * gimple-ssa-sprintf.c (get_string_length): Remove unnecessary code. 2018-09-13 Bernd Edlinger * builtins.c (c_strlen): Handle not zero terminated STRING_CSTs correctly. * fold-const.c (c_getstr): Fix function comment. Remove unused third argument. Fix range checks. * fold-const.h (c_getstr): Adjust protoype. * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid folding when string is constant but contains no NUL byte. * expr.c (string_constant): Adjust function comment. Remove bogus check for zero termination. * fold-const.c (c_getstr): Clamp STRING_LENGTH to STRING_SIZE. * varasm.c (compare_constant): Compare type size of STRING_CSTs. (get_constant_size): Don't make STRING_CSTs larger than they are. (check_string_literal): New check function for STRING_CSTs. (output_constant): Use it. 2018-09-13 Eric Botcazou PR target/86812 * config/visium/visium.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define. 2018-09-13 Richard Biener PR tree-optimization/87263 * tree-ssa-sccvn.c (visit_phi): Revert some earlier changes. (struct unwind_state): Add max_rpo field. (do_rpo_vn): Allow up-to-date loop state to be used when not iterating. Compute max_rpo, the max RPO number a block can be backwards reached from. Re-write non-iterating mode to a RPO ordered worklist approach, separating it from the iterating mode. 2018-09-13 Vlad Lazar * haifa-sched.c (rank_for_schedule): Schedule by INSN_COST. (rfs_decision): New scheduling decision. 2018-09-13 Richard Biener PR bootstrap/87134 * tree-ssa-sccvn.c (vn_nary_op_insert_into): Fix assert. (vn_nary_op_insert_pieces_predicated): Do not write useless valid_dominated_by_p entry outside of the allocated storage. 2018-09-13 Omar Sandoval Tom de Vries PR debug/86985 * dwarf2out.c (is_c): New function. (add_subscript_info): Add DW_AT_count of 0 for C zero-length arrays. 2018-09-13 Sam Tebbs PR target/85628 * config/aarch64/aarch64.md (*aarch64_bfxil): Define. * config/aarch64/constraints.md (Ulc): Define. * config/aarch64/aarch64-protos.h (aarch64_high_bits_all_ones_p): Define. * config/aarch64/aarch64.c (aarch64_high_bits_all_ones_p): New function. 2018-09-13 Vlad Lazar * config/aarch64/aarch64.h (TARGET_COMPUTE_FRAME_LAYOUT): Define. * config/aarch64/aarch64.c (aarch64_expand_prologue): Remove aarch64_layout_frame call. (aarch64_expand_epilogue): Likewise. (aarch64_initial_elimination_offset): Likewise. (aarch64_get_separate_components): Likewise. (aarch64_use_return_insn_p): Likewise. (aarch64_layout_frame): Remove unneeded check. 2018-09-13 Jakub Jelinek * configure.ac: Only append " : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" to gcc_config_arguments if it was never reconfigured or last reconfigure was with different arguments. * configure: Regenerated. 2018-09-13 Jakub Jelinek Kyrylo Tkachov PR middle-end/87290 * expr.c (maybe_optimize_pow2p_mod_cmp): New function. (maybe_optimize_mod_cmp): Use it if integer_pow2p treeop1. 2018-09-13 Jakub Jelinek PR tree-optimization/87287 * fold-const.c (fold_binary_loc) : Move signed modulo X % C == 0 to X % (unsigned) C == 0 optimization to ... * match.pd (X % C == 0): ... here. New optimization. 2018-09-12 Jakub Jelinek PR middle-end/82853 * expr.h (maybe_optimize_mod_cmp): Declare. * expr.c (mod_inv): New function. (maybe_optimize_mod_cmp): New function. (do_store_flag): Use it. * cfgexpand.c (expand_gimple_cond): Likewise. 2018-09-09 Cesar Philippidis Julian Brown PR middle-end/86336 * gimplify.c (gimplify_scan_omp_clauses): Set target_firstprivatize_array_bases in OpenACC parallel and kernels region contexts. Remove GOMP_MAP_FIRSTPRIVATE_REFERENCE clauses from OpenACC data regions. 2018-09-12 Uros Bizjak * config/i386/i386.md (sqrt_extendxf3_i387): Remove. (sqrt2): Extend operand 1 to XFmode and generate sqrtxf3 insn. 2018-09-12 Richard Biener PR tree-optimization/87280 * tree-ssa-sccvn.c (process_bb): Handle the case of executable edge but unreachable target. (do_rpo_vn): For conservatively handling a PHI only mark the backedge executable but not the block reachable. 2018-09-12 Richard Biener PR tree-optimization/87266 * tree-ssa-sccvn.c (do_rpo_vn): Always iterate to not yet visited blocks. 2018-09-12 Andreas Krebbel * config/s390/s390.md (PFPO_RND_MODE_DFP, PFPO_RND_MODE_BFP): New constants. ("trunc2") ("trunc2") ("extend2") ("extend2"): Set proper rounding mode according to the target operand type. 2018-09-12 Jakub Jelinek Andreas Krebbel PR tree-optimization/86844 * gimple-ssa-store-merging.c (imm_store_chain_info::coalesce_immediate): For overlapping stores, if there are any overlapping stores in between them, make sure they are also coalesced or we give up completely. 2018-09-12 Jakub Jelinek PR middle-end/87248 * fold-const.c (fold_ternary_loc) : Verify also that BIT_AND_EXPR's second operand is a power of two. Formatting fix. 2018-09-12 Tom de Vries * common.opt (gdescribe-dies): Add option. * dwarf2out.c (add_name_and_src_coords_attributes): Add description attribute for artifical and nameless decls. (dwarf2out_register_external_die): Add description attribute to external reference die. (add_desc_attribute): New functions. (gen_subprogram_die): Add description attribute to DW_TAG_call_site_parameter. * tree-pretty-print.c (print_generic_expr_to_str): New function. * tree-pretty-print.h (print_generic_expr_to_str): Declare. * doc/invoke.texi (@item Debugging Options): Add -gdescribe-dies and -gno-describe-dies. (@item -gdescribe-dies): Add. 2018-09-12 Aldy Hernandez * tree-vrp.c (vrp_shift_undefined_p): Remove. (extract_range_from_binary_expr_1: Call wide_int_range_shift_undefined_p instead of vrp_shift_undefined_p. * wide-int-range.h (wide_int_range_shift_undefined_p): Do not depend on sign. 2018-09-12 Aldy Hernandez * gimple-ssa-warn-alloca.c (alloca_type_and_limit::alloca_type_and_limit): Initialize limit field for ALLOCA_BOUND_*_LARGE. 2018-09-11 Nathan Sidwell * gcc.c (load_specs, execute, run_attempt): Use %qs not '%s'. 2018-09-11 Uros Bizjak * reg-stack.c (subst_asm_stack_regs): Call replace_reg also for clobbers. Remove obsolete comment. 2018-09-11 Uros Bizjak * config/i386/i386.md (define_attr "type"): Remove mpxmov, mpxmk, mpxchk, mpxld and mpxst types. (define_attr length_immediate): Remove all processing of mpx types. (define_attr prefix_0f): Ditto. (define_attr memory): Ditto. 2018-09-11 Uros Bizjak * config/i386/i386.md (fyl2x_extendxf3_i387): Remove. (log2): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate logxf3 insn. (log102): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate log10xf3 insn. (log22): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate log2xf3 insn. (fyl2xp1_extendxf3_i387): Remove. (log1p2): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate log1pxf3 insn. (fxtract_extendxf3_i387): Remove. (logb2): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate logbxf3 insn. (ilogb2): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate fxtractxf3_i387 insn. (significand2): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate significandxf3 insn. 2018-09-11 Nathan Sidwell * gcc.c (perror_with_name, pfatal_with_name): Delete. (load_specs): Use fatal_error. (DELETE_IF_ORDINARY, process_command): Use error. (execute, run_attempt): Use fatal_error. 2018-09-11 Andrew Stubbs * diagnostic-core.h (sorry_at): New prototype. * diagnostic.c (sorry_at): New function. 2018-09-11 Aldy Hernandez * tree-vrp.c (extract_range_from_binary_expr_1): Treat all divisions by zero as VR_UNDEFINED. 2018-09-10 Uros Bizjak * config/i386/i386.md (xf2): Rename from *xf2_i387. (*_extendxf2_i387): Remove insn pattern. (mode2): New expander. (sincos_extendxf3_i387): Remove insn pattern. (sincos -> sin, cos splitters): Remove splitter patterns. (sincos3): Change operand 2 predicate to general_operand. Extend operand 2 to XFmode and generate sincosxf3 insn. (fptanxf4_i387): Change mode of operands 0 and 3 to SFmode. Change operand 3 predicate to const1_operand. (fptan_extendxf4_i387): Remove insn pattern. (tanxf2): Update operands in the call to fptanxf4_i387. (tan2): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate tanxf3 insn. (atan2xf3): Rename from *fpatanxf3_i387. (fpatan_extendxf3_i387): Remove insn pattern. (atan2xf3): Remove expander. (atan22): Change operand 1 predicate to general_operand. Extend operand 1 to XFmode and generate atanxf3 insn. 2018-09-10 Uros Bizjak * config/i386/i386.md (x87/SSE constant load splitter): Use memory_operand instead of nonimmediate_operand for input operand predicate. 2018-09-09 Uros Bizjak * config/i386/i386.md (float partial SSE register stall splitter): Move splitter near its instruction pattern. (float_extend partial SSE register stall splitter): Ditto. (float_truncate partial SSE register stall splitter): Ditto. 2018-09-09 Hans-Peter Nilsson PR target/86794 * config/mmix/mmix.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine to speculation_safe_value_not_needed. PR target/85666 * config/mmix/mmix.c (mmix_assemble_integer): Handle byte-size non-CONST_INT rtx:es using assemble_integer_with_op ".byte". (MMIX_CFUN_NEEDS_SAVED_EH_RETURN_ADDRESS): Don't call leaf_function_p, instead use has_hard_reg_initial_val. 2018-09-09 Nathan Sidwell * gcc.h (pfatal_with_name): Don't declare here. * gcc.c (pfatal_with_name): Make static. 2018-09-09 Xianmiao Qu * config/csky/csky.md (*cskyv2_adddi3, *cskyv2_subdi3): Add earlyclobber. 2018-09-08 John David Anglin PR rtl-optimization/85458 * sel-sched.c (sel_target_adjust_priority): Allow backend adjust priority hook to reduce the priority of EXPR. 2018-09-07 Uros Bizjak * config/i386/i386.md (float2) Enable DImode for x87 on 32bit targets. Conditionally disable x87 modes with X87_ENABLE_FLOAT. Remove preparation code. (*float2): Rename from *float2_mixed. Handle x87, SSE and mixed math using "enabled" attribute. (*floatdi2_i387): Rename from *float2_i387. Handle only DImode and enable for 32bit targets only. (floatdi2_i387_with_xmm pre-reload splitter): New splitter. (floatdi2_i387_with_xmm): Use register_operand as operand 1 predicate. Rewrite as define_insn_and_split. (floatdi2_i387_with_xmm memory input splitter): Remove. 2018-09-06 Uros Bizjak * reg-stack.c (get_true_reg) : Reorder to fallthru to FLOAT case. 2018-09-06 Will Schmidt PR target/86731 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Update logic around folding of vec_sl to handle out of range shift values. 2018-09-06 Uros Bizjak * config/i386/i386.md (fix_trunc_fisttp_i387_1): Remove. Update callers to gen_fix_trunc_i387_fisttp (fix_trunc_i387_fisttp): Change operand 0 predicate to nonimmediate_operand. (fix_trunc_i387_fisttp_with_temp): Remove insn pattern and corresponding splitters. (*fix_trunc_i387_1): Always expand with fix_trunc_i387. (fix_truncdi_i387): Change operand 0 predicate to nonimmediate_operand. (fix_truncdi_i387_with_temp): Remove insn pattern and corresponding splitters. (fix_trunc_i387): Change operand 0 predicate to nonimmediate_operand. (fix_trunc_i387_with_temp): Remove insn pattern and corresponding splitters. (*fistdi2_1): Remove. (fistdi2): Ditto. (fistdi2_with_temp): Remove insn pattern and corresponding splitters. (lrintxfdi2): Remove expander. Reimplement as define_insn. (*fist2_1): Remove. (fist2): Ditto. (fist2_with_temp): Remove insn pattern and corresponding splitters. (lrintxf2): Remove expander. Reimplement as define_insn. (*fist2__1): Always expand with fist2_. (fistdi2_): Change operand 0 predicate to nonimmediate_operand. (fistdi2__with_temp): Remove insn pattern and corresponding splitters. (fist2_): Change operand 0 predicate to nonimmediate_operand. (fist2__with_temp): Remove insn pattern and corresponding splitters. (*fixuns_truncsi2_avx512f_zext): Depend on TARGET_SSE_MATH. 2018-09-06 Bernd Edlinger * varasm.c (output_constructor_regular_field): Check TYPE_SIZE_UNIT of the init value. 2018-09-06 Will Schmidt * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support for early gimple folding of vec_splat(). * tree-vect-generic.c: Remove static from tree_vec_extract() definition. * gimple-fold.h: Add an extern define for tree_vec_extract(). 2018-09-06 Will Schmidt * config/rs6000/rs6000.c (fold_mergehl_helper): Add types_compatible_p wrappers around TREE_TYPE comparisons. 2018-09-06 Ilya Leoshkevich PR target/80080 * config/s390/predicates.md: Add nonsym_memory_operand. * config/s390/s390.c (s390_legitimize_cs_operand): If operand contains a SYMBOL_REF, load it into an intermediate pseudo. (s390_emit_compare_and_swap): Legitimize operand. * config/s390/s390.md: Use the new nonsym_memory_operand with UNSPECV_CAS patterns. 2018-09-06 Ilya Leoshkevich PR target/80080 * config/s390/s390-passes.def: New file. * config/s390/s390-protos.h (class rtl_opt_pass): Add forward declaration. (make_pass_s390_early_mach): Add declaration. * config/s390/s390.c (make_pass_s390_early_mach): (s390_option_override): Remove dynamic registration. * config/s390/t-s390: Add s390-passes.def. 2018-09-06 Ilya Leoshkevich * config/s390/s390.c (s390_decompose_constant_pool_ref): Remove UNSPEC_LTREL_BASE check. (annotate_constant_pool_refs): Likewise. (find_constant_pool_ref): Likewise. (find_ltrel_base): Removed. (replace_ltrel_base): Removed. (s390_mainpool_finish): Remove replace_ltrel_base call. (s390_chunkify_start): Remove pending LTREL_BASE logic. (s390_chunkify_finish): Remove replace_ltrel_base call. * config/s390/s390.md: Remove UNSPEC_LTREL_BASE. 2018-09-06 Hans-Peter Nilsson PR target/86779 * config/cris/cris.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine to speculation_safe_value_not_needed. 2018-09-05 Cesar Philippidis Bernd Schmidt * config/nvptx/nvptx-opts.h: New file. * config/nvptx/nvptx.c (nvptx_file_start): Print the correct .target. * config/nvptx/nvptx.h: Include "nvptx-opts.h". (ASM_SPEC): Define. (TARGET_SM35): New macro. * config/nvptx/nvptx.md (atomic_fetch_): Enable with the correct predicate. * config/nvptx/nvptx.opt (ptx_isa, sm_30, sm_35): New enum and its values. (misa=): New option. * doc/invoke.texi (Nvidia PTX Options): Document -misa. 2018-09-05 Uros Bizjak * config/i386/i386.md (truncdfsf2): Remove expander. (truncdfsf2_with_temp): Ditto. (truncxf2): Ditto. (*truncdfsf_fast_mixed): Remove insn pattern. (*truncdfsf_fast_i387): Ditto. (*truncdfsf_mixed): Ditto. (*truncdfsf_i387): Ditto. (*truncdfsf2_i387_1): Ditto. (*truncxfsf2_mixed): Ditto. (*truncxfdf2_mixed): Ditto. (*truncxf2_i387_noop): Ditto. Update callers to call gen_truncxf2 instead. (*truncxf2_i387): Remove. (reg->reg splitters): Remove splitter pattern. (reg->mem splitters): Ditto. (truncdfsf2): New insn pattern. (truncxf2): Ditto. 2018-09-05 Kyrylo Tkachov * tree-ssa-math-opts.c (is_mult_by): New function. (is_square_of): Use the above. (optimize_recip_sqrt): New function. (pass_cse_reciprocals::execute): Use the above. 2018-09-05 Richard Biener PR bootstrap/87134 * tree-ssa-sccvn.c (rpo_elim::eliminate_push_avail): Make sure to zero-init the emplaced vec. 2018-09-05 Martin Liska PR tree-optimization/87205 * tree-switch-conversion.c (pass_lower_switch::execute): Group cases for switch statements. 2018-09-05 Richard Biener PR tree-optimization/87217 * tree-ssa-sccvn.c (vuse_valueize): New. (vn_reference_lookup_pieces): Use it. (vn_reference_lookup): Likewise. 2018-09-05 Nathan Sidwell PR c++/87137 * stor-layout.c (place_field): Scan forwards to check last bitfield when ms_bitfield_placement is in effect. 2018-09-05 Richard Biener PR bootstrap/87225 * tree-vect-stmts.c (vectorizable_simd_clone_call): Fix bogus return. 2018-09-05 Siddhesh Poyarekar Kugan Vivekanandarajah * config/aarch64/falkor-tag-collision-avoidance.c: New file. * config.gcc (extra_objs): Build it. * config/aarch64/t-aarch64 (falkor-tag-collision-avoidance.o): Likewise. * config/aarch64/aarch64-passes.def (pass_tag_collision_avoidance): New pass. * config/aarch64/aarch64.c (qdf24xx_tunings): Add AARCH64_EXTRA_TUNE_RENAME_LOAD_REGS to tuning_flags. (aarch64_classify_address): Remove static qualifier. (aarch64_address_info, aarch64_address_type): Move to... * config/aarch64/aarch64-protos.h: ... here. (make_pass_tag_collision_avoidance): New function. * config/aarch64/aarch64-tuning-flags.def (rename_load_regs): New tuning flag. 2018-09-05 Martin Liska * doc/gcov.texi: Update documentation of humar readable mode. * gcov.c (format_count): Print one decimal place, it provides more fine number of situations like '1G' vs. '1.4G'. 2018-09-05 Martin Liska PR target/87164 * config/rs6000/rs6000.opt: Mark the option as Deprecated. * optc-gen.awk: Allow 'Var' for Deprecated options in order to generate a MASK value. 2018-09-04 H.J. Lu PR debug/86593 * dwarf2out.c (based_loc_descr): Allow hard frame pointer even if frame pointer isn't used. (compute_frame_pointer_to_fb_displacement): Likewise. 2018-09-04 Jakub Jelinek PR target/87198 * common/config/i386/i386-common.c (OPTION_MASK_ISA_XSAVEOPT_SET, OPTION_MASK_ISA_XSAVES_SET, OPTION_MASK_ISA_XSAVEC_SET): Use OPTION_MASK_ISA_XSAVE_SET instead of OPTION_MASK_ISA_XSAVE. (OPTION_MASK_ISA_XSAVE_UNSET): Add OPTION_MASK_ISA_XSAVES_UNSET and OPTION_MASK_ISA_XSAVEC_UNSET. 2018-09-04 Max Filippov * config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and XOR operations in NAND case. 2018-09-04 Aldy Hernandez * wide-int-range.cc (wide_int_range_convert): New. * wide-int-range.h (wide_int_range_convert): New. * tree-vrp.c (extract_range_from_unary_expr): Abstract wide int code into wide_int_range_convert. (extract_range_into_wide_ints): Do not munge anti range constants into the entire domain. Just return the range back. 2018-09-04 Martin Liska * genmatch.c (output_line_directive): Add new argument fnargs. (dt_simplify::gen_1): Encapsulate dump within __builtin_expect. 2018-09-04 Jonathan Wakely * doc/invoke.texi (Option Summary): Add whitespace. * doc/invoke.texi (Option Summary): Add -Waligned-new. 2018-09-04 Richard Biener PR tree-optimization/87211 * tree-ssa-sccvn.c (visit_phi): When value-numbering to a backedge value we're supposed to treat as VARYING also number the PHI to VARYING in case it got a different value-number already. 2018-09-04 Aldy Hernandez * tree-vrp.c (vrp_can_optimize_bit_op): Remove. (extract_range_from_binary_expr_1): Do not call vrp_can_optimize_bit_op. * wide-int-range.cc (wide_int_range_can_optimize_bit_op): Make static. (wide_int_range_get_mask_and_bounds): New. (wide_int_range_optimize_bit_op): New. (wide_int_range_bit_ior): Call wide_int_range_optimize_bit_op. (wide_int_range_bit_and): Same. * wide-int-range.h (wide_int_range_can_optimize_bit_op): Remove. (wide_int_range_optimize_bit_op): New. (wide_int_range_get_mask_and_bounds): New. 2018-09-04 Richard Biener PR tree-optimization/87176 * tree-ssa-sccvn.c (visit_phi): Remove redundant allsame variable. When value-numbering a virtual PHI node make sure to not value-number to the backedge value. 2018-09-04 Jonathan Wakely * doc/extend.texi (Long Long, Hex Floats): Document support for long long and hex floats in more recent versions of ISO C++. 2018-09-03 Richard Biener PR tree-optimization/87177 * tree-ssa-sccvn.c (vuse_ssa_val): Revert previous change, keep cleanup. 2018-09-03 Alexander Monakov * bb-reorder.c (edge_order): Convert to C-qsort-style tri-state comparator. (reorder_basic_blocks_simple): Change std::stable_sort to gcc_stablesort. 2018-09-03 Alexander Monakov * tree-loop-distribution.c (offset_cmp): Convert to C-qsort-style tri-state comparator. (fuse_memset_builtins): Change std::stable_sort to gcc_stablesort. 2018-09-03 Alexander Monakov * sort.cc (struct sort_ctx): New field 'nlim'. Use it... (mergesort): ... here as maximum count for using netsort. (gcc_qsort): Set nlim to 3 if stable sort is requested. (gcc_stablesort): New. * system.h (gcc_stablesort): Declare. 2018-09-03 Alexander Monakov * sort.cc (gcc_qsort) [CHECKING_P]: Call qsort_chk. * system.h (qsort): Always redirect to gcc_qsort. Update comment. * vec.c (qsort_chk): Do not call gcc_qsort. Update comment. 2018-09-03 Segher Boessenkool * config/rs6000/rs6000.md (*mov_hardfloat32): Remove %U from the lxsdx and stxsdx alternatives. (*mov_hardfloat64): Ditto. * config/rs6000/vsx.md (*vsx_extract__store): Ditto. 2018-09-03 Richard Biener PR tree-optimization/87200 * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Valueize a simplify result. 2018-09-03 Martin Liska PR tree-optimization/87201 * tree-switch-conversion.c (switch_decision_tree::balance_case_nodes): Fix parenthesis in an expression. 2018-09-03 Richard Biener PR tree-optimization/87197 * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Mark the new def visited. CSE the VN_INFO hashtable lookup. PR tree-optimization/87169 * tree-ssa-sccvn.c (do_rpo_vn): When marking loops for not iterating make sure there's no extra backedges from irreducible regions feeding the header. Mark the destination block executable. 2018-09-03 Martin Liska PR driver/83193 * common/common-target.def: Add TARGET_GET_VALID_OPTION_VALUES. * common/common-targhooks.c (default_get_valid_option_values): New function. * common/common-targhooks.h (default_get_valid_option_values): Likewise. * common/config/i386/i386-common.c: Move processor_target_table from i386.c. (ix86_get_valid_option_values): New function. (TARGET_GET_VALID_OPTION_VALUES): New macro. * config/i386/i386.c (struct ptt): Move to i386-common.c. (PTA_*): Move all defined masks into i386-common.c. (ix86_function_specific_restore): Use new processor_cost_table. * config/i386/i386.h (struct ptt): Moved from i386.c. (struct pta): Likewise. * doc/tm.texi: Document new TARGET_GET_VALID_OPTION_VALUES. * doc/tm.texi.in: Likewise. * opt-suggestions.c (option_proposer::suggest_option): Pass prefix to build_option_suggestions. (option_proposer::get_completions): Likewise. (option_proposer::build_option_suggestions): Use the new target hook. * opts.c (struct option_help_tuple): New struct. (print_filtered_help): Use the new target hook. 2018-09-03 Martin Liska PR middle-end/59521 * predict.c (set_even_probabilities): Add likely_edges argument and handle cases where we have precisely one likely edge. (combine_predictions_for_bb): Catch also likely_edges. (tree_predict_by_opcode): Handle gswitch statements. * tree-cfg.h (find_case_label_for_value): New declaration. (find_taken_edge_switch_expr): Likewise. * tree-switch-conversion.c (switch_decision_tree::balance_case_nodes): Find pivot in decision tree based on probabily, not by number of nodes. 2018-09-02 Gerald Pfeifer * doc/standards.texi (Standards): Update Objective-C reference. 2018-09-01 Gerald Pfeifer * doc/install.texi (Prerequisites): Update link for MPC. 2018-09-01 Michael Matz PR tree-optimization/87074 * gimple-loop-jam.c (unroll_jam_possible_p): Check loop exit PHIs for outer-loop uses. 2018-09-01 Gerald Pfeifer * doc/generic.texi (OpenMP): Adjust link to openmp.org. * doc/invoke.texi (C Dialect Options): Ditto. 2018-09-01 Gerald Pfeifer * doc/install.texi (Prerequisites): Adjust link mpfr.org. 2018-08-31 Richard Biener PR tree-optimization/87168 * tree-ssa-sccvn.c (SSA_VAL): Add visited output parameter. (rpo_elim::eliminate_avail): When OP was not visited it must be available. 2018-08-31 David Malcolm * tree-vrp.c (copy_value_range): Convert param "from" from "value_range *" to "const value_range *". (range_is_null): Likewise for param "vr". (range_int_cst_p): Likewise. (range_int_cst_singleton_p): Likewise. (symbolic_range_p): Likewise. (value_ranges_intersect_p): Likewise for both params. (value_range_nonnegative_p): Likewise for param "vr". (value_range_constant_singleton): Likewise. (vrp_set_zero_nonzero_bits): Likewise for param "ar". (extract_range_into_wide_ints): Likewise for param "vr". (extract_range_from_multiplicative_op): Likewise for params "vr0" and "vr1". (vrp_can_optimize_bit_op): Likewise. (extract_range_from_binary_expr_1): Likewise for params "vr0_" and "vr1_". (extract_range_from_unary_expr): Likewise. (debug_value_range): Likewise for param "vr". (value_range::dump): Add "const" qualifier. (vrp_prop::check_array_ref): Convert local "vr" from "value_range *" to "const value_range *". (vrp_prop::check_mem_ref): Likewise. (vrp_prop::visit_stmt): Likewise for local "old_vr". (vrp_intersect_ranges_1): Likewise for param "vr_1". (vrp_intersect_ranges): Likewise. (simplify_stmt_for_jump_threading): Likewise for local "vr". (vrp_prop::vrp_finalize): Likewise. * tree-vrp.h (value_range::dump): Add "const" qualifier. (vrp_intersect_ranges): Add "const" qualifier to params as above. (extract_range_from_unary_expr): Likewise. (value_range_constant_singleton): Likewise. (symbolic_range_p): Likewise. (copy_value_range): Likewise. (extract_range_from_binary_expr_1): Likewise. (range_int_cst_p): Likewise. (vrp_set_zero_nonzero_bits): Likewise. (range_int_cst_singleton_p): Likewise. 2018-08-31 Vlad Lazar * config/aarch64/arm_neon.h (vabsd_s64): New. (vnegd_s64): Likewise. 2018-08-31 Martin Jambor * ipa-cp.c (estimate_local_effects): Replace wrong MAX with MIN. 2018-08-31 Martin Liska * ipa-icf.c (sem_item::add_type): Use sem_item::m_type_hash_cache. * ipa-icf.h: Move the cache from sem_item_optimizer to sem_item. 2018-08-31 Nathan Sidwell * doc/extend.texi (Backwards Compatibility): Remove implicit extern C leeway of () being (...). 2018-08-31 Kyrylo Tkachov * ipa-inline.c (can_inline_edge_by_limits_p): Fix typos in comment. 2018-08-31 Segher Boessenkool PR target/86684 PR target/87149 * config/rs6000/rs6000.md (lrounddi2): Gate on TARGET_FPRND. 2018-08-31 Jakub Jelinek PR middle-end/87138 * expmed.c (expand_mult_const): Use immed_wide_int_const instead of gen_int_mode. Formatting fixes. 2018-08-30 Sandra Loosemore * target.def (custom_function_descriptors): Improve documentation. * doc/tm.texi.in (Trampolines): Expand discussion of function descriptors and move TARGET_CUSTOM_FUNCTION_DESCRIPTORS to the beginning of the section. * doc/tm.texi: Regenerated. 2018-08-30 Jose E. Marchesi * cfg.h (class auto_edge_flag): Spell out the template-id of the base class in the initializer list. This is a workaround for building with older GCC. (class auto_bb_flag): Likewise. 2018-08-30 Aaron Sawdey * config/rs6000/altivec.md (altivec_eq): Remove star. (altivec_vcmpequ_p): Remove star. * config/rs6000/rs6000-string.c (do_load_for_compare): Support vector load modes. (expand_strncmp_vec_sequence): New function. (emit_final_str_compare_vec): New function. (expand_strn_compare): Add support for vector strncmp. * config/rs6000/rs6000.opt (-mstring-compare-inline-limit): Change length specification to bytes. * config/rs6000/vsx.md (vsx_ld_elemrev_v16qi_internal): Remove star. (vcmpnezb_p): New pattern. * doc/invoke.texi (RS/6000 and PowerPC Options): Update documentation for option -mstring-compare-inline-limit. 2018-08-30 Thiago Macieira * config/i386/i386.c (PTA_WESTMERE): Remove PTA_AES. (PTA_SKYLAKE): Add PTA_AES. (PTA_GOLDMONT): Likewise. 2018-08-29 Jan Hubicka PR lto/86517 * lto-opts.c (lto_write_options): Always stream PIC/PIE mode. * lto-wrapper.c (merge_and_complain): Fix merging of PIC/PIE. 2018-08-29 Jan Hubicka * lto-streamer-out.c (DFS::DFS_write_tree_body): Do not follow TYPE_STUB_DECL. (hash_tree): Do not visit TYPE_STUB_DECL. * tree-streamer-out.c (write_ts_type_common_tree_pointers): Do not stream TYPE_STUB_DECL. * tree-streamer-in.c (lto_input_ts_type_common_tree_pointers): Likewise. * ipa-utils.h (type_with_linkage_p): Do not rely on TYPE_STUB_DECL after free_lang_data. (type_in_anonymous_namespace_p): Likewise. 2018-08-29 Jan Hubicka * sreal.h (SREAL_PART_BITS): Change to 31; remove seemingly unnecessary comment that it has to be even number. (class sreal): Change m_sig type to int32_t. * sreal.c (sreal::dump, sreal::to_int, opreator+, operator-): Use int64_t for temporary calculations. (sreal_verify_basics): Drop one bit from minimum and maximum. 2018-08-30 Richard Biener PR tree-optimization/87147 * tree-ssa-sccvn.c (SSA_VISITED): New function. (visit_phi): When the degenerate result is from the backedge and we didn't visit its definition yet drop to VARYING. (do_rpo_vn): Properly mark blocks with incoming backedges as executable. 2018-08-29 Jan Hubicka * lto-streamer-out.c (DFS::DFS_write_tree_body): Do not walk DECL_VINDEX. (hash_tree): Likewise. 2018-08-29 Jan Hubicka * tree.c (find_decls_types_r): Walk also TYPE_NEXT_PTR_TO and TYPE_NEXT_REF_TO. 2018-08-29 Jan Hubicka * sreal.h (SREAL_PART_BITS): Change to 31; remove seemingly unnecessary comment that it has to be even number. (class sreal): Change m_sig type to int32_t. * sreal.c (sreal::dump, sreal::to_int, opreator+, operator-): Use int64_t for temporary calculations. (sreal_verify_basics): Drop one bit from minimum and maximum. 2018-08-30 Tamar Christina * config/aarch64/aarch64.c (aarch64_expand_movmem): Set TImode max. 2018-08-30 Vlad Lazar PR middle-end/86995 * expmed.c (canonicalize_comparison): Use wi::sub instead of wi::add if to_add is negative. 2018-08-29 Bernd Edlinger PR middle-end/87053 * builtins.c (c_strlen): Improve range checks. 2018-08-29 Martin Sebor Jeff Law PR tree-optimization/86714 PR tree-optimization/86711 * builtins.c (c_strlen): Add arguments to call to string_constant. * expr.c (string_constant): Add argument. Detect missing nul terminator and outermost declaration it's missing in. * expr.h (string_constant): Add argument. * fold-const.c (read_from_constant_string): Add arguments to call to string_constant. (c_getstr): Likewise. * tree-ssa-forwprop.c (simplify_builtin_call): Likewise. to string_constant. * tree-ssa-strlen.c (get_stridx): Likewise. 2018-08-29 Jan Hubicka * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): Do not stream DECL_VINDEX. * tree-streamer-out.c (write_ts_function_decl_tree_pointers): Likewise. * tree.c (free_lang_data_in_decl): Clear DECL_VINDEX. (decl_function_context): Use DECL_VIRTUAL_P rather than DECL_VINDEX. 2018-08-29 Richard Biener * tree-ssa-sccvn.c (vuse_ssa_val): Return NULL for unvisited virtual operands that are not default defs to honor region boundaries. (rpo_vn_valueize): Remove ineffective code here. 2018-08-29 Richard Biener PR tree-optimization/87132 * tree-ssa-alias.c (get_continuation_for_phi): Do not translate when skipping defs reachable over backedges. 2018-08-29 Richard Biener * tree-core.h: Document use of deprecated_flag in SSA_NAME. * tree.h (SSA_NAME_POINTS_TO_READONLY_MEMORY): Define. * tree-into-ssa.c (pass_build_ssa::execute): Initialize function parameters SSA_NAME_POINTS_TO_READONLY_MEMORY from fnspec. * tree-ssa-sccvn.c (const_parms, init_const_parms): Remove. (vn_reference_lookup_3): Remove use of const_parms. (free_rpo_vn): Do not free const_parms. (do_rpo_vn): Do not call init_const_parms. * tree-ssa-alias.c (refs_may_alias_p_1): Honor SSA_NAME_POINTS_TO_READONLY_MEMORY. (call_may_clobber_ref_p_1): Likewise. 2018-08-29 Alexander Monakov PR other/86726 * invoke.texi (Optimization Options): List -ftree-scev-cprop. (-O): Ditto. (-ftree-scev-cprop): Document. 2018-08-29 Jan Hubicka * sreal.h (normalize, normalize_up, normalize_down): Add new_sig/new_exp parameters. (sreal constructor): Update. * sreal.c (sreal:operator+, sreal:operator-, sreal:operator*, sreal:operator/): Update. 2018-08-29 Martin Liska * tree-switch-conversion.c (switch_conversion::expand): Strenghten assumption about gswitch statements. 2018-08-29 Richard Biener PR tree-optimization/87117 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Only re-value-number released SSA VDEFs. 2018-08-29 Richard Biener PR tree-optimization/87126 * tree-ssa-sccvn.c (vn_reference_insert): Remove assert. 2018-08-28 Jim Wilson * config/riscv/pic.md: Rewrite. * config/riscv/riscv.c (riscv_address_insns): Return cost of 3 for invalid address. * config/riscv/riscv.md (ZERO_EXTEND_LOAD): Delete. (SOFTF, default_load, softload, softstore): New. 2018-08-28 Jeff Law * fold-const.c (fold_binary_loc): Remove recently added assert. 2018-08-28 Joern Rennecke * genpreds.c (write_predicate_subfunction): Also add ATTRIBUTE_UNUSED to OP parmeter of generated function. 2018-08-28 MCC CS PR tree-optimization/87009 * match.pd: Add boolean optimizations. 2018-08-28 Martin Sebor PR middle-end/86631 * calls.c (alloc_max_size): Treat HOST_WIDE_INT special. * gimple-ssa-warn-alloca.c (adjusted_warn_limit): New function. (pass_walloca::gate): Use it. (alloca_call_type): Same. (pass_walloca::execute): Same. * stor-layout.c (layout_decl): Treat HOST_WIDE_INT special. 2018-08-28 David Malcolm * dumpfile.h (ATTRIBUTE_GCC_DUMP_PRINTF): Change version check on GCC_VERSION for usage of "__gcc_dump_printf__" format from >= 3005 to >= 9000. 2018-08-28 Richard Biener PR tree-optimization/87124 * tree-ssa-sccvn.c (vn_lookup_simplify_result): Guard against constants before looking up avail. 2018-08-28 Jakub Jelinek PR middle-end/87099 * calls.c (maybe_warn_nonstring_arg): Punt early if warn_stringop_overflow is zero. Don't call get_range_strlen on 3rd argument, keep iterating until lenrng[1] is INTEGER_CST. Swap comparison operands to have constants on rhs. Only use lenrng[1] if non-NULL and INTEGER_CST. Don't uselessly increment lenrng[0]. 2018-08-28 Richard Sandiford * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Fix unguarded use of tree_to_shwi. Remove duplicated test for the size being a whole number of bytes. 2018-08-28 Richard Biener PR tree-optimization/87117 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_cleanup): Handle removed stmt without LHS (GIMPLE_NOP). 2018-08-28 Richard Biener PR tree-optimization/87117 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Exclude void which is is_gimple_reg_type by checking for COMPLETE_TYPE_P. 2018-08-28 Richard Biener PR tree-optimization/87117 * tree-ssa-pre.c (compute_avail): Do not make expressions with predicated values available. (get_expr_value_id): Assert we do not run into predicated value expressions. 2018-08-28 Richard Biener PR tree-optimization/87117 * tree-ssa-operands.c (add_stmt_operand): STRING_CST may get virtual operands. (get_expr_operands): Handle STRING_CST like other decls. 2018-08-28 Martin Liska * tree.h: Update documentation of fndecl_built_in_p functions. 2018-08-27 Jeff Law PR tree-optimization/87110 * tree-ssa-dse.c (compute_trims): Handle non-constant TYPE_SIZE_UNIT. 2018-08-27 Martin Sebor PR tree-optimization/86914 * tree-ssa-strlen.c (maybe_set_strlen_range): Avoid MEM_REF. 2018-08-27 Martin Sebor PR tree-optimization/87112 * builtins.c (expand_builtin_strnlen): Convert c_strlen result to the type of the bound argument. 2018-08-27 Jeff Law * tree-ssa-dse.c (compute_trims): Handle case where the reference's type does not have a TYPE_SIZE_UNIT. 2018-08-27 Steve Ellcey * config/aarch64/aarch64-speculation.cc: Replace include of cfg.h with include of backend.h. 2018-08-27 Richard Biener PR tree-optimization/86927 * tree-vect-loop.c (vect_create_epilog_for_reduction): Properly use const cond reduction code. 2018-08-27 Alexander Monakov PR tree-optimization/85758 * match.pd ((X & Y) ^ Y): Add :s qualifier to inner expression. 2018-08-27 David Malcolm PR c++/87091 * diagnostic-show-locus.c (class layout_range): Update for conversion of show_caret_p to a tri-state. (layout_range::layout_range): Likewise. (make_range): Likewise. (layout::maybe_add_location_range): Likewise. (layout::should_print_annotation_line_p): Don't show annotation lines for ranges that are SHOW_LINES_WITHOUT_RANGE. (layout::get_state_at_point): Update for conversion of show_caret_p to a tri-state. Bail out early for SHOW_LINES_WITHOUT_RANGE, so that such ranges don't affect underlining or source colorization. (gcc_rich_location::add_location_if_nearby): Update for conversion of show_caret_p to a tri-state. (selftest::test_one_liner_multiple_carets_and_ranges): Likewise. (selftest::test_one_liner_fixit_replace_equal_secondary_range): Likewise. (selftest::test_one_liner_labels): Likewise. * gcc-rich-location.c (gcc_rich_location::add_expr): Update for conversion of show_caret_p to a tri-state. * pretty-print.c (text_info::set_location): Likewise. * pretty-print.h (text_info::set_location): Likewise. * substring-locations.c (format_warning_n_va): Likewise. * tree-diagnostic.c (default_tree_printer): Likewise. * tree-pretty-print.c (newline_and_indent): Likewise. 2018-08-27 David Malcolm PR c++/87091 * diagnostic-show-locus.c (get_line_span_for_fixit_hint): Show the line above for line-insertion fix-it hints. (selftest::test_fixit_insert_containing_newline): Update the expected results, and add a test with line-numbering enabled. 2018-08-27 Martin Liska PR sanitizer/86962 * sanopt.c (sanitize_rewrite_addressable_params): Ignore params with DECL_HAS_VALUE_EXPR_P. 2018-08-27 Martin Liska * config/i386/i386.c (ix86_expand_set_or_movmem): Dump selected expansion strategy. 2018-08-27 Martin Liska * builtins.h (is_builtin_fn): Remove and fndecl_built_in_p. * builtins.c (is_builtin_fn): Likewise. * attribs.c (diag_attr_exclusions): Use new function fndecl_built_in_p and remove check for FUNCTION_DECL if possible. (builtin_mathfn_code): Likewise. (fold_builtin_expect): Likewise. (fold_call_expr): Likewise. (fold_builtin_call_array): Likewise. (fold_call_stmt): Likewise. (set_builtin_user_assembler_name): Likewise. (is_simple_builtin): Likewise. * calls.c (gimple_alloca_call_p): Likewise. (maybe_warn_nonstring_arg): Likewise. * cfgexpand.c (expand_call_stmt): Likewise. * cgraph.c (cgraph_update_edges_for_call_stmt_node): Likewise. (cgraph_edge::verify_corresponds_to_fndecl): Likewise. (cgraph_node::verify_node): Likewise. * cgraphclones.c (build_function_decl_skip_args): Likewise. (cgraph_node::create_clone): Likewise. * config/arm/arm.c (arm_insert_attributes): Likewise. * config/i386/i386.c (ix86_gimple_fold_builtin): Likewise. * dse.c (scan_insn): Likewise. * expr.c (expand_expr_real_1): Likewise. * fold-const.c (operand_equal_p): Likewise. (fold_binary_loc): Likewise. * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise. * gimple-low.c (lower_stmt): Likewise. * gimple-pretty-print.c (dump_gimple_call): Likewise. * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Likewise. * gimple.c (gimple_build_call_from_tree): Likewise. (gimple_call_builtin_p): Likewise. (gimple_call_combined_fn): Likewise. * gimplify.c (gimplify_call_expr): Likewise. (gimple_boolify): Likewise. (gimplify_modify_expr): Likewise. (gimplify_addr_expr): Likewise. * hsa-gen.c (gen_hsa_insns_for_call): Likewise. * ipa-cp.c (determine_versionability): Likewise. * ipa-fnsummary.c (compute_fn_summary): Likewise. * ipa-param-manipulation.c (ipa_modify_formal_parameters): Likewise. * ipa-split.c (visit_bb): Likewise. (split_function): Likewise. * ipa-visibility.c (cgraph_externally_visible_p): Likewise. * lto-cgraph.c (input_node): Likewise. * lto-streamer-out.c (write_symbol): Likewise. * omp-low.c (setjmp_or_longjmp_p): Likewise. (lower_omp_1): Likewise. * predict.c (strip_predict_hints): Likewise. * print-tree.c (print_node): Likewise. * symtab.c (symtab_node::output_to_lto_symbol_table_p): Likewise. * trans-mem.c (is_tm_irrevocable): Likewise. (is_tm_load): Likewise. (is_tm_simple_load): Likewise. (is_tm_store): Likewise. (is_tm_simple_store): Likewise. (is_tm_abort): Likewise. (tm_region_init_1): Likewise. * tree-call-cdce.c (gen_shrink_wrap_conditions): Likewise. * tree-cfg.c (verify_gimple_call): Likewise. (move_stmt_r): Likewise. (stmt_can_terminate_bb_p): Likewise. * tree-eh.c (lower_eh_constructs_2): Likewise. * tree-if-conv.c (if_convertible_stmt_p): Likewise. * tree-inline.c (remap_gimple_stmt): Likewise. (copy_bb): Likewise. (estimate_num_insns): Likewise. (fold_marked_statements): Likewise. * tree-sra.c (scan_function): Likewise. * tree-ssa-ccp.c (surely_varying_stmt_p): Likewise. (optimize_stack_restore): Likewise. (pass_fold_builtins::execute): Likewise. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. (mark_all_reaching_defs_necessary_1): Likewise. * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Likewise. * tree-ssa-forwprop.c (simplify_builtin_call): Likewise. (pass_forwprop::execute): Likewise. * tree-ssa-loop-im.c (stmt_cost): Likewise. * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise. * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Likewise. * tree-ssa-strlen.c (get_string_length): Likewise. * tree-ssa-structalias.c (handle_lhs_call): Likewise. (find_func_aliases_for_call): Likewise. * tree-ssa-ter.c (find_replaceable_in_bb): Likewise. * tree-stdarg.c (optimize_va_list_gpr_fpr_size): Likewise. * tree-tailcall.c (find_tail_calls): Likewise. * tree.c (need_assembler_name_p): Likewise. (free_lang_data_in_decl): Likewise. (get_call_combined_fn): Likewise. * ubsan.c (is_ubsan_builtin_p): Likewise. * varasm.c (incorporeal_function_p): Likewise. * tree.h (DECL_BUILT_IN): Remove and replace with fndecl_built_in_p. (DECL_BUILT_IN_P): Transfort to fndecl_built_in_p. (fndecl_built_in_p): New. 2018-08-27 Martin Liska PR tree-optimization/86847 * tree-switch-conversion.c (switch_decision_tree::dump_case_nodes): Dump also subtree probability. (switch_decision_tree::do_jump_if_equal): New function. (switch_decision_tree::emit_case_nodes): Handle special situations in balanced tree that can be emitted much simpler. Fix calculation of probabilities that happen in tree expansion. * tree-switch-conversion.h (struct cluster): Add is_single_value_p. (struct simple_cluster): Likewise. (struct case_tree_node): Add new function has_child. (do_jump_if_equal): New. 2018-08-27 Martin Liska * tree-switch-conversion.c (bit_test_cluster::find_bit_tests): Add new argument to bit_test_cluster constructor. (bit_test_cluster::emit): Set bits really number of values handlel by a test. (bit_test_cluster::hoist_edge_and_branch_if_true): Add probability argument. * tree-switch-conversion.h (struct bit_test_cluster): Add m_handles_entire_switch. 2018-08-27 Martin Liska PR tree-optimization/86702 * tree-switch-conversion.c (jump_table_cluster::emit): Make probabilities even for values in jump table according to number of cases handled. (switch_decision_tree::compute_cases_per_edge): Pass argument to reset_out_edges_aux function. (switch_decision_tree::analyze_switch_statement): Likewise. * tree-switch-conversion.h (switch_decision_tree::reset_out_edges_aux): Make it static. 2018-08-27 Martin Liska * cfgexpand.c (expand_asm_stmt): Use label_to_block and pass cfun argument explicitly. * gimple-pretty-print.c (dump_gimple_switch): Likewise. * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Use new function gimple_switch_default_bb. (convert_switch_statements): (expand_builtins): * ipa-fnsummary.c (set_switch_stmt_execution_predicate): * stmt.c (label_to_block_fn): Use label_to_block and pass cfun argument explicitly and use gimple_switch_label_bb. (expand_case): Likewise. * tree-cfg.c (lower_phi_internal_fn): Use label_to_block and pass cfun argument explicitly. Likewise. (make_edges_bb): Likewise. (make_cond_expr_edges): Likewise. (get_cases_for_edge): Likewise. (make_gimple_switch_edges): Likewise. (label_to_block_fn): Likewise. (label_to_block): Likewise. (make_goto_expr_edges): Likewise. (make_gimple_asm_edges): Likewise. (main_block_label): Likewise. (group_case_labels_stmt): Likewise. (find_taken_edge_computed_goto): Likewise. (find_taken_edge_switch_expr): Likewise. (gimple_verify_flow_info): Likewise. (gimple_redirect_edge_and_branch): Likewise. (gimple_switch_label_bb): New function. (gimple_switch_default_bb): Likewise. (gimple_switch_edge): Likewise. (gimple_switch_default_edge): Likewise. * tree-cfg.h (label_to_block_fn): Remove and replace ... (label_to_block): ... with this. (gimple_switch_label_bb): New. (gimple_switch_default_bb): Likewise. (gimple_switch_edge): Likewise. (gimple_switch_default_edge): Likewise. * tree-cfgcleanup.c (convert_single_case_switch): Use new gimple functions and pass new argument to label_to_block. (cleanup_control_flow_bb): * tree-eh.c (make_eh_dispatch_edges): Use label_to_block and pass cfun argument explicitly. (make_eh_edges): Likewise. (redirect_eh_dispatch_edge): Likewise. (lower_resx): Likewise. (lower_eh_dispatch): Likewise. (maybe_remove_unreachable_handlers): Likewise. (unsplit_eh): Likewise. (cleanup_empty_eh): Likewise. (verify_eh_edges): Likewise. (verify_eh_dispatch_edge): Likewise. * tree-ssa-dom.c (record_edge_info): Likewise. * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): Likewise. * tree-ssa-threadedge.c (thread_around_empty_blocks): Likewise. (thread_through_normal_block): Likewise. * tree-ssa-uncprop.c (associate_equivalences_with_edges): Likewise. * tree-ssa-uninit.c (convert_control_dep_chain_into_preds): * tree-switch-conversion.c (switch_conversion::collect): Use new gimple functions. (switch_conversion::check_final_bb): Likewise. (switch_conversion::gather_default_values): Pass new argument to label_to_block. (switch_conversion::build_constructors): Likewise. (switch_decision_tree::compute_cases_per_edge): Use new gimple_switch_edge function. (switch_decision_tree::analyze_switch_statement): Pass new argument to label_to_block. (switch_decision_tree::try_switch_expansion): Use gimple_switch_default_edge. * tree-vrp.c (find_switch_asserts): Pass new argument to label_to_block. * vr-values.c (vr_values::vrp_visit_switch_stmt): Likewise. (vr_values::simplify_switch_using_ranges): Likewise. 2018-08-27 Richard Biener * cfganal.h (rev_post_order_and_mark_dfs_back_seme): Declare. * cfganal.c (rev_post_order_and_mark_dfs_back_seme): New function. * tree-ssa-sccvn.h (struct vn_pval): New structure. (struct vn_nary_op_s): Add unwind_to member. Add predicated_values flag and put result into a union together with a linked list of vn_pval. (struct vn_ssa_aux): Add name member to make maintaining a map of SSA name to vn_ssa_aux possible. Remove no longer needed info, dfsnum, low, visited, on_sccstack, use_processed and range_info_anti_range_p members. (run_scc_vn, vn_eliminate, free_scc_vn, vn_valueize): Remove. (do_rpo_vn, run_rpo_vn, eliminate_with_rpo_vn, free_rpo_vn): New functions. (vn_valueize): New global. (vn_context_bb): Likewise. (VN_INFO_RANGE_INFO, VN_INFO_ANTI_RANGE_P, VN_INFO_RANGE_TYPE, VN_INFO_PTR_INFO): Remove. * tree-ssa-sccvn.c: ... (rewrite) (pass_fre::execute): For -O2+ initialize loops and run RPO VN in optimistic mode (iterating). For -O1 and -Og run RPO VN in non-optimistic mode. * params.def (PARAM_SCCVN_MAX_SCC_SIZE): Remove. (PARAM_RPO_VN_MAX_LOOP_DEPTH): Add. * doc/invoke.texi (sccvn-max-scc-size): Remove. (rpo-vn-max-loop-depth): Document. * tree-ssa-alias.c (walk_non_aliased_vuses): Stop walking when valuezing the VUSE signals we walked out of the region. * tree-ssa-pre.c (phi_translate_1): Ignore predicated values. (phi_translate): Set VN context block to use for availability lookup. (compute_avail): Likewise. (pre_valueize): New function. (pass_pre::execute): Adjust to the RPO VN API. * tree-ssa-loop-ivcanon.c: Include tree-ssa-sccvn.h. (propagate_constants_for_unrolling): Remove. (tree_unroll_loops_completely): Perform value-numbering on the unrolled bodies loop parent. 2018-08-27 Richard Biener * tree-ssa-pre.c (compute_antic): Re-use inverted postorder for partial antic compute. 2018-08-27 Jakub Jelinek PR rtl-optimization/87065 * combine.c (simplify_if_then_else): Formatting fix. (if_then_else_cond): Guard MULT optimization with SCALAR_INT_MODE_P check. (known_cond): Don't return const_true_rtx for vector modes. Use CONST0_RTX instead of const0_rtx. Formatting fixes. 2018-08-27 Martin Liska PR gcov-profile/87069 * gcov.c (process_file): Record files already processed and warn about a file being processed multiple times. 2018-08-27 Martin Liska PR driver/83193 * config/aarch64/aarch64.c (aarch64_override_options_internal): Set default values for x_aarch64_*_string strings. * config/aarch64/aarch64.opt: Remove --{march,mcpu,mtune}== prefix. For -mabi do not print '=ABI' in help and use format for -msve-vector-bits and -moverride options. 2018-08-26 Jeff Law * config/mips/frame-header-opt.c: Include "backend.h" rather than "cfg.h" 2018-08-26 Marek Polacek PR c++/87029, Implement -Wredundant-move. * doc/invoke.texi: Document -Wredundant-move. 2018-08-25 Martin Sebor PR tree-optimization/87059 * builtins.c (expand_builtin_strncmp): Convert MIN_EXPR operand to the same type as the other. * fold-const.c (fold_binary_loc): Assert expectation. 2018-08-25 Iain Sandoe * config/darwin.c (machopic_legitimize_pic_address): Clean up extraneous parentheses, dead code section and formatting. 2018-08-24 David Malcolm PR c++/87091 * diagnostic-show-locus.c (layout::layout): Ensure the margin is wide enough for jumps in the line-numbering to be visible. (layout::print_gap_in_line_numbering): New member function. (layout::calculate_line_spans): When using line numbering, merge line spans that are only 1 line apart. (diagnostic_show_locus): When printing line numbers, show gaps in line numbering directly, rather than printing headers. (selftest::test_diagnostic_show_locus_fixit_lines): Add test of line-numbering with multiple line spans. (selftest::test_fixit_insert_containing_newline_2): Add test of line-numbering, in which the spans are close enough to be merged. 2018-08-24 Aldy Hernandez * gimple-ssa-evrp-analyze.c (set_ssa_range_info): Pass value_range to range_includes_zero_p. Do not special case VR_ANTI_RANGE. * tree-vrp.c (range_is_nonnull): Remove. (range_includes_zero_p): Accept value_range instead of min/max. (extract_range_from_binary_expr_1): Do not early bail on POINTER_PLUS_EXPR. Use range_includes_zero_p instead of range_is_nonnull. (extract_range_from_unary_expr): Use range_includes_zero_p instead of range_is_nonnull. (vrp_meet_1): Pass value_range to range_includes_zero_p. Do not special case VR_ANTI_RANGE. (vrp_finalize): Same. * tree-vrp.h (range_includes_zero_p): Pass value_range as argument instead of min/max. (range_is_nonnull): Remove. * vr-values.c (vrp_stmt_computes_nonzero): Use range_includes_zero_p instead of range_is_nonnull. (extract_range_basic): Pass value_range to range_includes_zero_p instead of range_is_nonnull. 2018-08-24 Uros Bizjak * emit-rtl.c (init_emit_once): Do not emit MODE_POINTER_BOUNDS RTXes. * emit-rtl.h (rtl_data): Remove return_bnd. * explow.c (trunc_int_for_mode): Do not handle POINTER_BOUNDS_MODE_P. * function.c (diddle_return_value): Do not handle crtl->return_bnd. * genmodes.c (complete_mode): Do not handle MODE_POINTER_BOUNDS. (POINTER_BOUNDS_MODE): Remove definition. (make_pointer_bounds_mode): Remove. (get_mode_class): Do not handle MODE_POINTER_BOUNDS. * machmode.h (POINTER_BOUNDS_MODE_P): Remove definition. (scalare_mode::includes_p): Do not handle MODE_POINTER_BOUNDS. * mode-classes.def: Do not define MODE_POINTER_BOUNDS. * stor-layout.c (int_mode_for_mode): Do not handle MODE_POINTER_BOUNDS. * tree-core.h (enum tree_index): Remove TI_POINTER_BOUNDS_TYPE. * varasm.c (output_constant_pool_2): Do not handle MODE_POINTER_BOUNDS. * config/i386/i386-modes.def (BND32, BND64): Remove. * config/i386/i386.c (dbx_register_map): Remove bound registers. (dbx64_register_map): Ditto. (svr4_dbx_register_map): Ditto. (indirect_thunk_bnd_needed): Remove. (indirect_thunks_bnd_used): Ditto. (indirect_return_bnd_needed): Ditto. (indirect_return_via_cx_bnd): Ditto. (enum indirect_thunk_prefix): Remove indirect_thunk_prefix_bnd. (indirect_thunk_name): Remove handling of indirect_thunk_prefix_bnd. (output_indirect_thunk): Ditto. Remove need_prefix argument. (output_indirect_thunk_function): Remove handling of indirect_return_bnd_needed, indirect_return_via_cx_bnd, indirect_thunk_bnd_needed and indirect_thunks_bnd_used variables. (ix86_save_reg): Remove handling of crtl->return_bnd. (ix86_legitimate_constant_p): Remove handling of POINTER_BOUNDS_MODE_P. (ix86_print_operand_address_as): Remove handling of UNSPEC_BNDMK_ADDR and UNSPEC_BNDLX_ADDR. (ix86_output_indirect_branch_via_reg): Remove handling of indirect_thunk_prefix_bnd. (ix86_output_indirect_branch_via_push): Ditto. (ix86_output_function_return): Ditto. (ix86_output_indirect_function_return): Ditto. (avoid_func_arg_motion): Do not handle UNSPEC_BNDSTX. * config/i386/i386.h (FIXED_REGISTERS): Remove bound registers. (CALL_USED_REGISTERS): Ditto. (REG_ALLOC_ORDER): Update for removal of bound registers. (HI_REGISTER_NAMES): Ditto. * config/i386/i386.md (UNSPEC_BNDMK, UNSPEC_BNDMK_ADDR, UNSPEC_BNDSTX) (UNSPEC_BNDLDX, UNSPEC_BNDLDX_ADDR, UNSPEC_BNDCL, UNSPEC_BNDCU) (UNSPEC_BNDCN, UNSPEC_MPX_FENCE): Remove. (BND0_REG, BND1_REG, BND2_REG, BND3_REG): Remove (FIRST_PSEUDO_REG): Update. (BND): Remove mode iterator. * config/i386/predicates.md (bnd_mem_operator): Remove. 2018-08-24 Richard Sandiford * tree-vect-stmts.c (vectorizable_bswap): Handle variable-length vectors. 2018-08-24 Richard Sandiford * tree-vect-slp.c (vect_transform_slp_perm_load): Separate out the case in which the permute needs only a single element and repeats for every vector of the result. Extend that case to handle variable-length vectors. * tree-vect-stmts.c (vectorizable_load): Update accordingly. 2018-08-24 H.J. Lu PR debug/79342 * dwarf2out.c (save_macinfo_strings): Call set_indirect_string on DW_MACINFO_start_file for -gsplit-dwarf -g3. 2018-08-24 Richard Biener * cfg.h (struct control_flow_graph): Add edge_flags_allocated and bb_flags_allocated members. (auto_flag): New RAII class for allocating flags. (auto_edge_flag): New RAII class for allocating edge flags. (auto_bb_flag): New RAII class for allocating bb flags. * cfgloop.c (verify_loop_structure): Allocate temporary edge flag dynamically. * cfganal.c (dfs_enumerate_from): Remove use of visited sbitmap in favor of temporarily allocated BB flag. * hsa-brig.c: Re-order includes. * hsa-dump.c: Likewise. * hsa-regalloc.c: Likewise. * print-rtl.c: Likewise. * profile-count.c: Likewise. 2018-08-24 Segher Boessenkool PR target/86989 * config/rs6000/rs6000.c (toc_relative_expr_p): Check that the base is the TOC register. 2018-08-24 Aldy Hernandez PR 87073/bootstrap * wide-int-range.cc (wide_int_range_div): Do not ignore result from wide_int_range_multiplicative_op. 2018-08-23 Prathamesh Kulkarni * tree-vect-data-refs.c (vect_grouped_store_supported): Fix typo "permutaion". 2018-08-23 Giuliano Belinassi * genmatch.c (parser::parse_operation): Fix typo 'exapnded' to 'expanded'. 2018-08-23 Alexander Monakov * tree-scalar-evolution.c (final_value_replacement_loop): Dump full GENERIC expression used for replacement. 2018-08-23 Aldy Hernandez * tree-vrp.c (abs_extent_range): Remove. (extract_range_into_wide_ints): Pass wide ints by reference. (extract_range_from_binary_expr_1): Rewrite the *DIV_EXPR code. Pass wide ints by reference in all calls to extract_range_into_wide_ints. * wide-int-range.cc (wide_int_range_div): New. * wide-int-range.h (wide_int_range_div): New. (wide_int_range_includes_zero_p): New. (wide_int_range_zero_p): New. 2018-08-23 Matthew Malcomson * config/aarch64/aarch64.md (arches): New enum. (arch): New enum attr. (arch_enabled): New attr. (enabled): Now uses arch_enabled only. (simd, sve, fp16): Removed attribute. (fp): Attr now defined in terms of 'arch'. (*mov_aarch64, *movsi_aarch64, *movdi_aarch64, *movti_aarch64, *movhf_aarch64, 2, 3, 3): Merge 'fp' and 'simd' attributes into 'arch'. (*movsf_aarch64, *movdf_aarch64, *movtf_aarch64, *add3_aarch64, subdi3, neg2, 3, one_cmpl2, *_one_cmpl3, *xor_one_cmpl3, *aarch64_ashl_sisd_or_int_3, *aarch64_lshr_sisd_or_int_3, *aarch64_ashr_sisd_or_int_3, *aarch64_sisd_ushl): Convert use of 'simd' attribute into 'arch'. (load_pair_sw_, load_pair_dw_, store_pair_sw_, store_pair_dw_): Convert use of 'fp' attribute to 'arch'. * config/aarch64/aarch64-simd.md (move_lo_quad_internal_, move_lo_quad_internal_): (different modes) Merge 'fp' and 'simd' into 'arch'. (move_lo_quad_internal_be_, move_lo_quad_internal_be_): (different modes) Merge 'fp' and 'simd' into 'arch'. (*aarch64_combinez, *aarch64_combinez_be): Merge 'fp' and 'simd' into 'arch'. 2018-08-23 Segher Boessenkool PR rtl-optimization/87026 * expmed.c (canonicalize_comparison): If we can no longer create pseudoregisters, don't. 2018-08-23 Richard Earnshaw PR target/86951 * config/arm/arm-protos.h (arm_emit_speculation_barrier): New prototype. * config/arm/arm.c (speculation_barrier_libfunc): New static variable. (arm_init_libfuncs): Initialize it. (arm_emit_speculation_barrier): New function. * config/arm/arm.md (speculation_barrier): Call arm_emit_speculation_barrier for architectures that do not have DSB or ISB. (speculation_barrier_insn): Only match on Armv7 or later. 2018-08-23 Richard Biener PR middle-end/87024 * tree-inline.c (copy_bb): Drop unused __builtin_va_arg_pack_len calls. 2018-08-23 Richard Sandiford * config/aarch64/aarch64.c (aarch64_evpc_sve_tbl): Fix handling of single-vector TBLs. (aarch64_vectorize_vec_perm_const): Set one_vector_p when only one input is given. 2018-08-23 Richard Sandiford PR target/85910 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_const_1): Fix aarch64_evpc_tbl guard. 2018-08-22 Bernd Edlinger * tree-ssa-dse.c (compute_trims): Avoid folding away undefined behaviour. 2018-08-22 Martin Sebor PR middle-end/87052 * tree-pretty-print.c (pretty_print_string): Add argument. (dump_generic_node): Call to pretty_print_string with string size. 2018-08-22 Segher Boessenkool PR rtl-optimization/86771 * combine.c (try_combine): Do not allow splitting a resulting PARALLEL of two SETs into those two SETs, one to be placed at i2, if that SETs destination is modified between i2 and i3. 2018-08-22 Richard Sandiford PR tree-optimization/86725 * tree-vect-loop.c (vect_inner_phi_in_double_reduction_p): New function. (vect_analyze_scalar_cycles_1): Check it. 2018-08-22 Richard Sandiford PR tree-optimization/86725 * tree-vect-loop.c (vect_is_simple_reduction): When treating an outer loop phi as a double reduction, make sure that the single user of the phi result is an inner loop phi. 2018-08-22 Richard Sandiford * tree-vect-data-refs.c (vect_analyze_group_access_1): Convert grouped stores with gaps to a strided group. 2018-08-22 Richard Sandiford * tree-vect-stmts.c (get_group_load_store_type) (get_load_store_type): Only test STMT_VINFO_STRIDED_P for the first statement in a group. 2018-08-22 Iain Sandoe * config/darwin.h (LINK_COMMAND_SPEC_A): Sync LTO options with the sequence used in gcc/gcc.c. 2018-08-22 Iain Sandoe PR other/704 * gcc-ar.c (main): Don’t try to invoke the plug-in if we’re not building it. 2018-08-22 Iain Sandoe * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Adjust to use the Darwin10-specific unwinder-shim. * config/darwin12.h (LINK_GCC_C_SEQUENCE_SPEC): Remove. * config/rs6000/darwin.h (DARWIN_CRT1_SPEC, DARWIN_DYLIB1_SPEC): New to cater for Darwin10 Rosetta. 2018-08-22 Iain Sandoe * config/i386/i386.c (ix86_output_addr_diff_elt): Move the MACH-O specific test before the one for HAVE_AS_GOTOFF_IN_DATA. 2018-08-22 Iain Sandoe PR bootstrap/81033 PR target/81733 PR target/52795 * gcc/dwarf2out.c (FUNC_SECOND_SECT_LABEL): New. (dwarf2out_switch_text_section): Generate a local label for the second function sub-section and apply it as the second FDE start label. * gcc/final.c (final_scan_insn_1): Emit second FDE label after the second sub-section start. 2018-08-22 Richard Biener PR tree-optimization/86988 * tree-vrp.c (vrp_prop::check_mem_ref): Bail out on VLAs. 2018-08-22 Richard Biener PR tree-optimization/86945 * tree-cfg.c (generate_range_test): Use unsigned arithmetic. 2018-08-22 Alexandre Oliva * config/rs6000/rs6000.c (SMALL_DATA_RELOC, SMALL_DATA_REG): Add a comment about how uses of r2 for .sdata2 come about. 2018-08-22 Alexandre Oliva * tree-ssa-reassoc.c (is_reassociable_op): Fix cut&pasto. 2018-08-21 Marek Polacek PR c++/86981, Implement -Wpessimizing-move. * doc/invoke.texi: Document -Wpessimizing-move. 2018-08-21 Jan Hubicka * tree.c (find_decls_types_r): Do not check for redundant typedefs. * tree.h (is_redundant_typedef): Remove. * dwarf2out.c (is_redundant_typedef): Turn into static function. 2018-08-21 Jan Hubicka * tree.c (free_lang_data_in_decl): Remove types from DECL_CONTEXT when possible. 2018-08-21 Tamar Christina * expmed.c (extract_low_bits): Reject invalid subregs early. 2018-08-21 Bernd Edlinger PR middle-end/86121 * tree-ssa-strlen.c (adjust_last_stmt): Avoid folding away undefined behaviour. 2018-08-21 Rasmus Villemoes * config/vxworks.h: Guard vxworks_asm_out_constructor and vxworks_asm_out_destructor by !HAVE_INITFINI_ARRAY_SUPPORT * config/vxworks.c: Likewise. 2018-08-21 Rasmus Villemoes * config/vxworks.c: Set targetm.have_ctors_dtors if HAVE_INITFINI_ARRAY_SUPPORT. * config/vxworks.h: Set SUPPORTS_INIT_PRIORITY if HAVE_INITFINI_ARRAY_SUPPORT. 2018-08-21 Rasmus Villemoes * config/vxworks.h: Add $(WIND_BASE)/target/h/wrn/coreip to default search path for VxWorks < 7. 2018-08-21 Bernd Edlinger * gimple-ssa-sprintf.c (decl_constant_value): Remove. (get_format_string): Refer to c_getstr. 2018-08-21 Tom de Vries * cgraph.h (debuginfo_early_init, debuginfo_init, debuginfo_fini) (debuginfo_start, debuginfo_stop, debuginfo_early_start) (debuginfo_early_stop): Declare. * cgraphunit.c (debuginfo_early_init, debuginfo_init, debuginfo_fini) (debuginfo_start, debuginfo_stop, debuginfo_early_start) (debuginfo_early_stop): New function. (symbol_table::finalize_compilation_unit): Call debuginfo_early_start and debuginfo_early_stop. * dwarf2out.c (dwarf2out_finish, dwarf2out_early_finish): Dump dwarf. * toplev.c (compile_file): Call debuginfo_start and debuginfo_stop. (general_init): Call debuginfo_early_init. (finalize): Call debuginfo_fini. (do_compile): Call debuginfo_init. * doc/invoke.texi (@gccoptlist): Add -fdump-debug and -fdump-early-debug. (@item -fdump-debug, @item -fdump-earlydebug): Add. 2018-08-21 Tom de Vries * dwarf2out.c (print_dw_val, print_loc_descr, print_die): Handle flag_dump_noaddr and flag_dump_unnumbered. 2018-08-21 Aldy Hernandez * wide-int-range.cc (wide_int_range_abs): New. (wide_int_range_order_set): Rename from wide_int_range_min_max. * wide-int-range.h (wide_int_range_abs): New. (wide_int_range_min_max): New. * tree-vrp.c (extract_range_from_unary_expr): Rewrite ABS_EXPR case to call wide_int_range_abs. Rewrite MIN/MAX_EXPR to call wide_int_range_min_max. (extract_range_from_abs_expr): Delete. 2018-08-20 Michael Meissner PR target/87033 * config/rs6000/rs6000.md (extendsi2): Change constraints from 'Y' to 'YZ' to enable the LWAX instruction to be generated for indexed loads. 2018-08-20 Nathan Sidwell Jeff Law * config/s390/s390-c (s390_macro_to_expand): Use cpp_macro_p. * config/spu/spu-c.c (spu_macro_to_expand): Likewise. 2018-08-20 David Malcolm PR other/84889 * attribs.c (diag_attr_exclusions): Add auto_diagnostic_group instance. (decl_attributes): Likewise. * calls.c (maybe_warn_nonstring_arg): Add auto_diagnostic_group instance. * cgraphunit.c (maybe_diag_incompatible_alias): Likewise. * diagnostic-core.h (class auto_diagnostic_group): New class. * diagnostic.c (diagnostic_initialize): Initialize the new fields. (diagnostic_report_diagnostic): Handle the first diagnostics within a group. (emit_diagnostic): Add auto_diagnostic_group instance. (inform): Likewise. (inform_n): Likewise. (warning): Likewise. (warning_at): Likewise. (warning_n): Likewise. (pedwarn): Likewise. (permerror): Likewise. (error): Likewise. (error_n): Likewise. (error_at): Likewise. (sorry): Likewise. (fatal_error): Likewise. (internal_error): Likewise. (internal_error_no_backtrace): Likewise. (auto_diagnostic_group::auto_diagnostic_group): New ctor. (auto_diagnostic_group::~auto_diagnostic_group): New dtor. * diagnostic.h (struct diagnostic_context): Add fields "diagnostic_group_nesting_depth", "diagnostic_group_emission_count", "begin_group_cb", "end_group_cb". * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Add auto_diagnostic_group instance(s). (find_explicit_erroneous_behavior): Likewise. * gimple-ssa-warn-alloca.c (pass_walloca::execute): Likewise. * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Likewise. * gimplify.c (warn_implicit_fallthrough_r): Likewise. (gimplify_va_arg_expr): Likewise. * hsa-gen.c (HSA_SORRY_ATV): Likewise. (HSA_SORRY_AT): Likewise. * ipa-devirt.c (compare_virtual_tables): Likewise. (warn_odr): Likewise. * multiple_target.c (expand_target_clones): Likewise. * opts-common.c (cmdline_handle_error): Likewise. * reginfo.c (globalize_reg): Likewise. * substring-locations.c (format_warning_n_va): Likewise. * tree-inline.c (expand_call_inline): Likewise. * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Likewise. * tree-ssa-loop-niter.c (do_warn_aggressive_loop_optimizations): Likewise. * tree-ssa-uninit.c (warn_uninit): Likewise. * tree.c (warn_deprecated_use): Likewise. 2018-08-20 H.J. Lu PR target/87014 * config/i386/i386.md (eh_return): Always update EH return address in word_mode. 2018-08-20 Chung-Lin Tang * targhooks.c (std_gimplify_va_arg_expr): Properly handle case of when TARGET_SPLIT_COMPLEX_ARG is defined. 2018-08-20 Bernd Edlinger * expr.c (store_field): Change gcc_assert to gcc_checking_assert. 2018-08-20 Bernd Edlinger PR target/86984 * expr.c (expand_assignment): Assert that bitpos is positive. (store_field): Likewise (expand_expr_real_1): Make sure that bitpos is positive. * config/alpha/alpha.h (CONSTANT_ADDRESS_P): Avoid signed integer overflow. 2018-08-20 Nathan Sidwell * Makefile.in (CPP_ID_DATA_H): Delete. (CPP_INTERNAL_H): Don't add it. (GTFILES): Replace CPP_ID_DATA_H with CPPLIB_H. * gengtype.c (open_base_files): Replace cpp-id-data.h with cpplib.h 2018-08-20 Richard Biener PR tree-optimization/78655 * tree-vrp.c (extract_range_from_binary_expr_1): Make pointer + offset nonnull if either operand is nonnull work. 2018-08-20 Tom de Vries * dwarf2out.c (add_scalar_info): Don't add reference to existing die unless the referenced die describes the added property using DW_AT_location or DW_AT_const_value. Fall back to exprloc case. Otherwise, add a DW_AT_location to the referenced die. 2018-08-19 Uros Bizjak PR target/86994 * config/i386/i386.c (ix86_rtx_costs) [case SET]: Check source for register_operand when calling ix86_set_reg_reg_cost. [case CONST_INT, case CONST, case LABEL_REF, case SYMBOL_REF]: Set *total to 0 for operands that satisfy x86_64_immediate_operand predicate and to 1 otherwise. 2018-08-18 Iain Sandoe * config/darwin.c (darwin_override_options): If -gsplit-dwarf is set, emit a diagnostic that it is not supported and reset the option. * config/darwin.h (DRIVER_SELF_SPECS): Note that gsplit-dwarf is not supported and consume the option. (ASM_FINAL_SPEC): New. 2018-08-17 Segher Boessenkool * doc/md.texi (Patterns): Use @ref instead of @xref in the middle of a sentence. 2018-08-17 Sandra Loosemore C-SKY port: Documentation * doc/extend.texi (C-SKY Function Attributes): New section. * doc/invoke.texi (Option Summary): Add C-SKY options. (C-SKY Options): New section. * doc/md.texi (Machine Constraints): Document C-SKY constraints. 2018-08-17 Jojo Huibin Wang Sandra Loosemore Chung-Lin Tang C-SKY port: Backend implementation * config/csky/*: New. * common/config/csky/*: New. 2018-08-17 Jojo Huibin Wang Sandra Loosemore Chung-Lin Tang Andrew Jenner C-SKY port: Configury * config.gcc (csky-*-*): New. * configure.ac: Add csky to targets for dwarf2 debug_line support. * configure: Regenerated. 2018-08-17 David Malcolm * dump-context.h: Include "dumpfile.h". (dump_context::dump_printf_va): Convert final param from va_list to va_list *. Convert from ATTRIBUTE_PRINTF to ATTRIBUTE_GCC_DUMP_PRINTF. (dump_context::dump_printf_loc_va): Likewise. * dumpfile.c: Include "stringpool.h". (make_item_for_dump_printf_va): Delete. (make_item_for_dump_printf): Delete. (class dump_pretty_printer): New class. (dump_pretty_printer::dump_pretty_printer): New ctor. (dump_pretty_printer::emit_items): New member function. (dump_pretty_printer::emit_any_pending_textual_chunks): New member function. (dump_pretty_printer::emit_item): New member function. (dump_pretty_printer::stash_item): New member function. (dump_pretty_printer::format_decoder_cb): New member function. (dump_pretty_printer::decode_format): New member function. (dump_context::dump_printf_va): Reimplement in terms of dump_pretty_printer. (dump_context::dump_printf_loc_va): Convert final param from va_list to va_list *. (dump_context::begin_scope): Reimplement call to make_item_for_dump_printf. (dump_printf): Update for change to dump_printf_va. (dump_printf_loc): Likewise. (selftest::test_capture_of_dump_calls): Convert "stmt" from greturn * to gimple *. Add a test_decl. Add tests of dump_printf with %T, %E, and %G. * dumpfile.h (ATTRIBUTE_GCC_DUMP_PRINTF): New macro. (dump_printf): Replace ATTRIBUTE_PRINTF_2 with ATTRIBUTE_GCC_DUMP_PRINTF (2, 3). (dump_printf_loc): Replace ATTRIBUTE_PRINTF_3 with ATTRIBUTE_GCC_DUMP_PRINTF (3, 0). * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Convert use of HOST_WIDE_INT_PRINT_DEC on unsigned HOST_WIDE_INT "count" within a dump_printf_loc call to "%wu". (vector_alignment_reachable_p): Merge two dump_printf[_loc] calls, converting a use of HOST_WIDE_INT_PRINT_DEC to "%wd". Add a missing space after "=". * tree-vect-loop.c (vect_analyze_loop_2) Within a dump_printf call, convert use of HOST_WIDE_INT_PRINT_DEC to "%wd". * tree-vect-slp.c (vect_slp_bb): Within a dump_printf_loc call, convert use of HOST_WIDE_INT_PRINT_UNSIGNED to "%wu". * tree-vectorizer.c (try_vectorize_loop_1): Likewise. Remove duplicate "vectorized" from message. 2018-08-17 Szabolcs Nagy * config/arm/arm-builtins.c (arm_init_simd_builtin_types): Clear polyNxK_t element's TYPE_STRING_FLAG. 2018-08-17 Segher Boessenkool * config/rs6000/rs6000.md (*cbranch, *creturn): Name these patterns (they were unnamed before). Fix comments. 2018-08-17 Nathan Sidwell * cppbuiltin.c: Include "cpplib.h", not "cpp-id-data.h". 2018-08-17 Richard Biener PR tree-optimization/86841 * wide-int-range.cc (wide_int_range_lshift): Use to_uhwi. 2018-08-17 Martin Liska * common.opt: Remove Warn, Init and Report for options with Ignore/Deprecated flag. Warning is done automatically for Deprecated flags. * config/i386/i386.opt: Likewise. * config/ia64/ia64.opt: Likewise. * config/rs6000/rs6000.opt: Likewise. * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Remove usage of flag_check_pointer_bounds. * lto-wrapper.c (merge_and_complain): Do not handle OPT_fcheck_pointer_bounds. (append_compiler_options): Likewise. * opt-functions.awk: Do not handle Deprecated. * optc-gen.awk: Check that Var, Report and Init are not used for an option with Ignore/Deprecated flag. * opts-common.c (decode_cmdline_option): Do not report CL_ERR_DEPRECATED. (read_cmdline_option): Report warning for OPT_SPECIAL_deprecated options. * opts.h (struct cl_option): Remove cl_deprecated flag. (CL_ERR_DEPRECATED): Remove error enum value. 2018-08-17 Richard Biener PR middle-end/86505 * tree-inline.c (copy_bb): When inlining __builtin_va_arg_pack_len () across a va-arg-pack using call adjust its return value accordingly. 2018-08-16 Martin Sebor PR tree-optimization/86853 * gimple-ssa-sprintf.c (struct format_result): Rename member. (struct fmtresult): Add member and initialize it in ctors. (format_character): Handle %C. Extend range to NUL. Set MAYFAIL. (format_string): Handle %S the same as %ls. Set MAYFAIL. (format_directive): Set POSUNDER4K when MAYFAIL is set. (parse_directive): Handle %C same as %c. (sprintf_dom_walker::compute_format_length): Adjust. (is_call_safe): Adjust. 2018-08-16 Bernd Edlinger * builtins.c (c_strlen): Add new parameter eltsize. Use it for determining how to count the elements. * builtins.h (c_strlen): Adjust prototype. * expr.c (string_constant): Add new parameter mem_size. Set *mem_size appropriately. * expr.h (string_constant): Adjust protoype. * gimple-fold.c (get_range_strlen): Add new parameter eltsize. * gimple-fold.h (get_range_strlen): Adjust prototype. * gimple-ssa-sprintf.c (get_string_length): Add new parameter eltsize. (format_string): Call get_string_length with eltsize. 2018-08-16 David Malcolm * diagnostic.c (default_diagnostic_start_span_fn): Call pp_string to emit the span, rather than setting it as the prefix. 2018-08-16 David Malcolm * diagnostic-show-locus.c (layout::start_annotation_line): Add "margin_char" parameter, defaulting to space. Use it in place of pp_space for the initial part of the margin. (layout::print_leading_fixits): Use '+' when filling the margin of line-insertion fix-it hints. 2018-08-16 Segher Boessenkool * config/rs6000/rs6000.md (two unnamed define_insn and define_split): Delete. 2018-08-16 Segher Boessenkool * config/rs6000/altivec.md: Don't set length attribute to the default value. * config/rs6000/darwin.md: Ditto. * config/rs6000/dfp.md: Ditto. * config/rs6000/htm.md: Ditto. * config/rs6000/rs6000.md: Ditto. * config/rs6000/sync.md: Ditto. * config/rs6000/vsx.md: Ditto. 2018-08-16 Segher Boessenkool * config/rs6000/altivec.md: Don't set length attribute to the default value, for branch instructions. * config/rs6000/darwin.md: Ditto. * config/rs6000/rs6000.md: Ditto. 2018-08-16 Segher Boessenkool * config/rs6000/rs6000.md (length): Always define as const_int 4. (unnamed conditional branch define_insn): Set length to 4 or 8 depending on offset. (_): Similar, for alternative 0. (tf_): Ditto. 2018-08-16 Tamar Christina * expr.c (copy_blkmode_to_reg): Perform larger copies when safe. 2018-08-16 Matthew Malcomson * doc/rtl.texi: Replace old RTX class names with new names. 2018-08-16 Vlad Lazar * expmed.h (canonicalize_comparison): New declaration. * expmed.c (canonicalize_comparison, equivalent_cmp_code): New function. * expmed.c (emit_store_flag_1): Add call to canonicalize_comparison. * optabs.c (prepare_cmp_insn): Likewise. * rtl.h (unsigned_condition_p): New function which checks if a comparison operator is unsigned. 2018-08-16 Nathan Sidwell * config/rs6000/rs6000-c.c (rs6000_macro_to_expend): Use cpp_macro_p. * config/powerpcspc/powerpcspe-c.c (rs6000_macro_to_expend): Likewise. 2018-08-16 Tamar Christina PR target/84711 * config/arm/arm.c (arm_can_change_mode_class): Disallow subreg. * config/arm/neon.md (movv4hf, movv8hf): Refactored to.. (mov): ..this and enable unconditionally. 2018-08-16 Tamar Christina * config/arm/neon.md (*neon_mov): Remove reg-to-reg alternative. 2018-08-16 Sam Tebbs * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt) (mlow-precision-sqrt, mlow-precision-div, mverbose-cost-dump): Replace "Common" with "Target". 2018-08-15 Uros Bizjak * config/i386/i386.opt (mmitigate-rop): Mark as deprecated. * doc/invoke.texi (mmitigate-rop): Remove. * config/i386/i386.c: Do not include "regrename.h". (ix86_rop_should_change_byte_p, reg_encoded_number) (ix86_get_modrm_for_rop, set_rop_modrm_reg_bits, ix86_mitigate_rop): Remove. (ix86_reorg): Remove call to ix86_mitigate_rop. * config/i386/i386.md (attr "modrm_class"): Remove. (cmp_ccno_1, mov_xor, movstrict_xor) (x86_movcc_0_m1. x86_movcc_0_m1_se) (x86_movcc_0_m1_neg): Remove modrm_class attribute override. 2018-08-15 Will Schmidt * config/rs6000/rs600.c (rs6000_gimple_fold_builtin): Add entries to allow folding of mergeh() and mergel() for the float and double types. (fold_mergehl_helper): Rework to handle building a permute tree for float vectors. 2018-08-15 Uros Bizjak * config/i386/i386.c (expand_vec_perm_movs): Enable V4SFmode for TARGET_SSE. 2018-08-15 David Malcolm * common.opt (fdiagnostics-show-labels): New option. * diagnostic-show-locus.c (class layout_range): Add field "m_label". (class layout): Add field "m_show_labels_p". (layout_range::layout_range): Add param "label" and use it to initialize m_label. (make_range): Pass in NULL for new "label" param of layout_range's ctor. (layout::layout): Initialize m_show_labels_p. (layout::maybe_add_location_range): Pass in loc_range->m_label when constructing layout_range instances. (struct line_label): New struct. (layout::print_any_labels): New member function. (layout::print_line): Call it if label-printing is enabled. (selftest::test_one_liner_labels): New test. (selftest::test_diagnostic_show_locus_one_liner): Call it. * diagnostic.c (diagnostic_initialize): Initialize context->show_labels_p. * diagnostic.h (struct diagnostic_context): Add field "show_labels_p". * doc/invoke.texi (Diagnostic Message Formatting Options): Add -fno-diagnostics-show-labels. * dwarf2out.c (gen_producer_string): Add OPT_fdiagnostics_show_labels to the ignored options. * gcc-rich-location.c (gcc_rich_location::add_expr): Add "label" param. (gcc_rich_location::maybe_add_expr): Likewise. * gcc-rich-location.h (gcc_rich_location::gcc_rich_location): Add label" param, defaulting to NULL. (gcc_rich_location::add_expr): Add "label" param. (gcc_rich_location::maybe_add_expr): Likewise. (class text_range_label): New class. (class range_label_for_type_mismatch): New class. * gimple-ssa-sprintf.c (fmtwarn): Pass NULL for new label params of format_warning_va. (fmtwarn_n): Likewise for new params of format_warning_n_va. * lto-wrapper.c (merge_and_complain): Add OPT_fdiagnostics_show_labels to the "pick one setting" options. (append_compiler_options): Likewise to the dropped options. (append_diag_options): Likewise to the passed-on options. * opts.c (common_handle_option): Handle the new option. * selftest-diagnostic.c (test_diagnostic_context::test_diagnostic_context): Enable show_labels_p. * substring-locations.c: Include "gcc-rich-location.h". (format_warning_n_va): Add "fmt_label" and "param_label" params and use them as appropriate. (format_warning_va): Add "fmt_label" and "param_label" params, passing them on to format_warning_n_va. (format_warning_at_substring): Likewise. (format_warning_at_substring_n): Likewise. * substring-locations.h (format_warning_va): Add "fmt_label" and "param_label" params. (format_warning_n_va): Likewise. (format_warning_at_substring): Likewise. (format_warning_at_substring_n): Likewise. * toplev.c (general_init): Initialize global_dc->show_labels_p. 2018-08-15 Qing Zhao PR testsuite/86519 * builtins.c (expand_builtin_memcmp): Do not expand the call when overflow is detected. 2018-08-15 Martin Sebor PR tree-optimization/71625 * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtin_types): Clear Poly8_t's TYPE_STRING_FLAG. 2018-08-15 Ilya Leoshkevich * config/s390/s390.c (s390_reorg): Remove loop. 2018-08-15 Iain Sandoe * config/darwin.c (darwin_function_switched_text_sections): Delete. * gcc/config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): Likewise. 2018-08-15 Iain Sandoe PR target/81685 * config/darwin.h: (DEBUG_STR_OFFSETS_SECTION, DEBUG_LOCLISTS_SECTION, DEBUG_RNGLISTS_SECTION) new macros. (DEBUG_PUBNAMES_SECTION, DEBUG_PUBTYPES_SECTION) update to include GNU variant. 2018-08-15 Martin Liska PR tree-optimization/86925 * predict.c (expr_expected_value_1): When taking later predictor, assign also probability. Use fold_build2_initializer_loc in order to fold the expression in -frounding-math. 2018-08-14 Allan Sandfeld Jensen * config/i386/i386.c (expand_vec_perm_movs): New method matching movs patterns. (expand_vec_perm_1): Try the new method. 2018-08-14 Ilya Leoshkevich PR target/86547 * lra-lives.c (remove_some_program_points_and_update_live_ranges): Check whether lra_live_max_point is 0 before dividing. 2018-08-14 Martin Sebor PR tree-optimization/86650 * tree-vrp.c (vrp_prop::check_array_ref): Print an inform message. (vrp_prop::check_mem_ref): Same. 2018-08-13 Liu Hao * pretty-print.c (eat_esc_sequence): Swap the foreground and background colors if the COMMON_LVB_REVERSE_VIDEO flag is set, and clear it thereafter, as it only works for DBCS. 2018-08-13 Liu Hao * pretty-print.c (mingw_ansi_fputs): Do not call _close() on the handle returned by _get_osf_handle(). 2018-08-13 Will Schmidt * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support for folding vec_perm. 2018-08-13 Will Schmidt * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support for gimple-folding of vec_pack() and vec_unpack() intrinsics. 2018-08-13 Will Schmidt * config/rs6000/rs6000.c (rs6000_builtin_valid_without_lhs): Add vec_xst variants to the list. (rs6000_gimple_fold_builtin): Add support for folding unaligned vector loads and stores. 2018-08-13 David Edelsohn * config.gcc (rs6000-ibm-aix4.x): Delete. (rs6000-ibm-aix5.1): Delete. (rs6000-ibm-aix5.2): Delete. (rs6000-ibm-aix5.3): Delete. * config/rs6000/aix43.h: Delete. * config/rs6000/aix51.h: Delete. * config/rs6000/aix52.h: Delete. * config/rs6000/t-aix43: Delete. 2018-08-13 Ilya Leoshkevich * config/s390/s390.c (s390_decompose_constant_pool_ref): New function. (s390_decompose_address): Factor out constant pool ref decomposition. 2018-08-12 Chung-Ju Wu * config/nds32/nds32-predicates.c (nds32_can_use_bclr_p): Change return type as bool. (nds32_can_use_bset_p): Ditto. (nds32_can_use_btgl_p): Ditto. (nds32_can_use_bitci_p): Ditto. * config/nds32/nds32-protos.h (nds32_can_use_bclr_p): Change declaration. (nds32_can_use_bset_p): Ditto. (nds32_can_use_btgl_p): Ditto. (nds32_can_use_bitci_p): Ditto. 2018-08-12 Chung-Ju Wu * config/nds32/nds32.c (nds32_expand_prologue, nds32_expand_epilogue): Support -msched-prolog-epilog option. * config/nds32/nds32.opt (msched-prolog-epilog): New option. 2018-08-12 Chung-Ju Wu * common/config/nds32/nds32-common.c (nds32_option_optimization_table): Enalbe -malways-align. 2018-08-12 Chung-Ju Wu * config.gcc (nds32*): Add nds32_isr.h and nds32_init.inc in extra_headers. * common/config/nds32/nds32-common.c (nds32_handle_option): Handle OPT_misr_secure_ case. * config/nds32/nds32-isr.c: Implementation of backward compatibility. * config/nds32/nds32-protos.h (nds32_isr_function_critical_p): New. * config/nds32/nds32.c (nds32_attribute_table): Add critical and secure attribute. * config/nds32/nds32.h (nds32_isr_nested_type): Add NDS32_CRITICAL. (nds32_isr_info): New field security_level. (TARGET_ISR_VECTOR_SIZE_4_BYTE): New macro. * config/nds32/nds32.md (return_internal): Consider critical attribute. * config/nds32/nds32.opt (misr-secure): New option. * config/nds32/nds32_init.inc: New file. * config/nds32/nds32_isr.h: New file. 2018-08-11 John David Anglin * config/pa/pa.md (UNSPEC_MEMORY_BARRIER): New unspec enum. Update comment for atomic instructions. (atomic_storeqi, atomic_storehi, atomic_storesi, atomic_storesf, atomic_loaddf, atomic_loaddf_1, atomic_storedf, atomic_storedf_1): Remove. (atomic_loaddi): Revise fence expansion to only emit fence prior to load for __ATOMIC_SEQ_CST model. (atomic_loaddi_1): Remove float register target. (atomic_storedi): Handle CONST_INT values. (atomic_storedi_1): Remove float register source. Add special case for zero value. (memory_barrier): New expander and insn. 2018-08-11 Jakub Jelinek PR tree-optimization/86835 * tree-ssa-math-opts.c (insert_reciprocals): Even when inserting new_stmt after def_gsi, make sure to insert new_square_stmt after that stmt, not 2 stmts before it. 2018-08-10 Alexander Monakov PR target/82418 * config/i386/i386.md (mul3_highpart): Use DWIH mode iterator instead of SWI48. 2018-08-10 Martin Liska PR target/83610 * builtin-types.def (BT_FN_LONG_LONG_LONG_DOUBLE): Add new function type. * builtins.c (expand_builtin_expect_with_probability): New function. (expand_builtin_expect_with_probability): New function. (build_builtin_expect_predicate): Add new argumnet probability for BUILT_IN_EXPECT_WITH_PROBABILITY. (fold_builtin_expect): (fold_builtin_2): (fold_builtin_3): * builtins.def (BUILT_IN_EXPECT_WITH_PROBABILITY): * builtins.h (fold_builtin_expect): Set new argument. * doc/extend.texi: Document __builtin_expect_with_probability. * doc/invoke.texi: Likewise. * gimple-fold.c (gimple_fold_call): Pass new argument. * ipa-fnsummary.c (find_foldable_builtin_expect): Handle also BUILT_IN_EXPECT_WITH_PROBABILITY. * predict.c (get_predictor_value): New function. (expr_expected_value): Add new argument probability. Assume that predictor and probability are always non-null. (expr_expected_value_1): Likewise. For __builtin_expect and __builtin_expect_with_probability set probability. Handle combination in binary expressions. (tree_predict_by_opcode): Simplify code by simply calling get_predictor_value. (pass_strip_predict_hints::execute): Add handling of BUILT_IN_EXPECT_WITH_PROBABILITY. * predict.def (PRED_BUILTIN_EXPECT_WITH_PROBABILITY): Add new predictor. * tree.h (DECL_BUILT_IN_P): New function. 2018-08-10 Martin Liska PR tree-optimization/85799 * passes.def: Add argument for pass_strip_predict_hints. * predict.c (class pass_strip_predict_hints): Add new argument early_p. (strip_predictor_early): New function. (pass_strip_predict_hints::execute): Call the function to strip predictors. (strip_predict_hints): New function. * predict.def: Fix comment. 2018-08-10 Thomas Preud'homme * Makefile.in: Clarify which tm.texi to copy over to assert the right to grant a GFDL license for all. 2018-08-09 Jeff Law * config/m68k/m68k.c (m68k_adjust_decorated_operand): Remove unused variable. 2018-08-09 Andreas Schwab * config/m68k/m68k-protos.h (m68k_final_prescan_insn): Remove prototype. 2018-08-09 Richard Sandiford * tree-vect-loop.c (vectorizable_reduction): Allow inner-loop reductions for variable-length vectors. 2018-08-09 David Malcolm PR other/84889 * common.opt (fdiagnostics-show-line-numbers): New option. * diagnostic-show-locus.c (class layout): Add fields "m_show_line_numbers_p" and "m_linenum_width"; (num_digits): New function. (test_num_digits): New function. (layout::layout): Initialize new fields. Update m_x_offset logic to handle any left margin. (layout::print_source_line): Print line number when requested. (layout::start_annotation_line): New member function. (layout::print_annotation_line): Call it. (layout::print_leading_fixits): Likewise. (layout::print_trailing_fixits): Likewise. Update calls to move_to_column for new parameter. (layout::get_x_bound_for_row): Add "add_left_margin" param and use it to potentially call start_annotation_line. (layout::show_ruler): Call start_annotation_line. (selftest::test_line_numbers_multiline_range): New selftest. (selftest::diagnostic_show_locus_c_tests): Call test_num_digits and selftest::test_line_numbers_multiline_range. * diagnostic.c (diagnostic_initialize): Initialize show_line_numbers_p. * diagnostic.h (struct diagnostic_context): Add field "show_line_numbers_p". * doc/invoke.texi (Diagnostic Message Formatting Options): Add -fno-diagnostics-show-line-numbers. * dwarf2out.c (gen_producer_string): Add OPT_fdiagnostics_show_line_numbers to the ignored options. * lto-wrapper.c (merge_and_complain): Likewise to the "pick one setting" options. (append_compiler_options): Likewise to the dropped options. (append_diag_options): Likewise to the passed-on options. * opts.c (common_handle_option): Handle the new option. * toplev.c (general_init): Set up global_dc->show_line_numbers_p. 2018-08-09 Kelvin Nilsen * doc/extend.texi (PowerPC AltiVec Built-in Functions Available on ISA 2.07): Correct spelling of bcdsub to be __builtin_bcdsub. Add third argument of type "const signed char" to descriptions of __builtin_bcdadd, __builtin_bcdadd_lt, __builtin_bcdadd_eq, __builtin_bcdadd_gt, __builtin_bcdadd_ov, __builtin_bcdsub, __builtin_bcdsub_lt, __builtin_bcdsub_eq, __builtin_bcdsub_gt, __builtin_bcdsub_ov functions. 2018-08-09 Richard Sandiford PR tree-optimization/86858 * tree-vect-loop.c (vect_is_simple_reduction): Restore flow_bb_inside_loop_p calls. 2018-08-09 Richard Sandiford PR tree-optimization/86871 * tree-vect-stmts.c (vect_transform_stmt): Use gimple_get_lhs instead of gimple_assign_lhs. 2018-08-09 Richard Earnshaw PR target/86887 * config/aarch64/aarch64.md (add3_carryinC_zero): Add missing register constraint to operand 0. (add3_carryinC): Likewise. (add3_carryinV_zero, add3_carryinV): Likewise. 2018-08-09 Martin Liska PR c/86895 * common.opt: Remove extra line. 2018-08-09 Martin Liska * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Remove double dots at the end of a line, make first letter capital and end up a sentence with a dot. (PARAM_LOOP_INTERCHANGE_STRIDE_RATIO): Likewise. (PARAM_LOOP_BLOCK_TILE_SIZE): Likewise. (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Likewise. (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP): Likewise. (PARAM_MAX_ISL_OPERATIONS): Likewise. (PARAM_GRAPHITE_ALLOW_CODEGEN_ERRORS): Likewise. (PARAM_PROFILE_FUNC_INTERNAL_ID): Likewise. (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise. (PARAM_SLP_MAX_INSNS_IN_BB): Likewise. (PARAM_IPA_CP_EVAL_THRESHOLD): Likewise. (PARAM_IPA_CP_RECURSION_PENALTY): Likewise. (PARAM_IPA_CP_SINGLE_CALL_PENALTY): Likewise. (PARAM_IPA_CP_LOOP_HINT_BONUS): Likewise. (PARAM_IPA_CP_ARRAY_INDEX_HINT_BONUS): Likewise. (PARAM_TREE_REASSOC_WIDTH): Likewise. (PARAM_HSA_GEN_DEBUG_STORES): Likewise. (PARAM_MAX_SPECULATIVE_DEVIRT_MAYDEFS): Likewise. (PARAM_MAX_VRP_SWITCH_ASSERTIONS): Likewise. 2018-08-09 Andreas Krebbel PR target/84332 * config/s390/s390.c (s390_option_override_internal): Reduce the stack-clash-protection-probe-interval param if it would be too big for z900. 2018-08-08 Andreas Schwab PR target/46179 * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Don't define. * config/m68k/m68k.c (handle_move_double): Don't call m68k_final_prescan_insn. (m68k_adjust_decorated_operand): Renamed from m68k_final_prescan_insn, remove first and third operand and simplify. (print_operand): Call it. (print_operand_address): Call it. 2018-08-08 Nathan Sidwell * diagnostic.c (diagnostic_report_current_module): Use linemap_included_from & linemap_included_from_linemap. 2018-08-08 Hongbo Zhang * config/aarch64/aarch64-cores.def: Add phecda core. * config/aarch64/aarch64-tune.md: Regenerate. * doc/invoke.texi: Add phecda core. 2018-08-08 Andreas Krebbel PR target/85295 * config/s390/constraints.md ("NxHD0", "NxSD0"): New constraint definitions. * config/s390/s390.md ("movti"): Add more alternatives for constant to GPR copies. 2018-08-08 Andreas Krebbel * config/s390/s390.c: Fix whitespace damage throughout the file. * config/s390/s390.h: Likewise. * config/s390/tpf.h: Likewise. 2018-08-08 Ilya Leoshkevich * config/s390/s390.c (s390_loadrelative_operand_p): Remove TARGET_CPU_ZARCH usages. (s390_rtx_costs): Likewise. (s390_legitimate_constant_p): Likewise. (s390_cannot_force_const_mem): Likewise. (legitimate_reload_constant_p): Likewise. (s390_preferred_reload_class): Likewise. (legitimize_pic_address): Likewise. (legitimize_tls_address): Likewise. (s390_split_branches): Removed. (s390_add_execute): Removed. (s390_dump_pool): Remove TARGET_CPU_ZARCH usages. (s390_mainpool_start): Likewise. (s390_mainpool_finish): Likewise. (s390_mainpool_cancel): Removed. (s390_chunkify_start): Remove TARGET_CPU_ZARCH usages. (s390_chunkify_cancel): Likewise. (s390_return_addr_rtx): Likewise. (s390_register_info): Remove split_branches_pending_p uages. (s390_optimize_register_info): Likewise. (s390_init_frame_layout): Remove TARGET_CPU_ZARCH and split_branches_pending_p usages. (s390_can_eliminate): Remove TARGET_CPU_ZARCH usages. (s390_load_got): Likewise. (s390_expand_split_stack_prologue): Likewise. (output_asm_nops): Likewise. (s390_function_profiler): Likewise. (s390_emit_call): Likewise. (s390_conditional_register_usage): Likewise. (s390_optimize_prologue): Likewise. (s390_reorg): Remove TARGET_CPU_ZARCH and split_branches_pending_p usages. (s390_option_override_internal): Remove TARGET_CPU_ZARCH usages. (s390_output_indirect_thunk_function): Likewise. * config/s390/s390.h (TARGET_CPU_ZARCH): Removed. (TARGET_CPU_ZARCH_P): Removed. (struct machine_function): Remove split_branches_pending_p. * config/s390/s390.md: Remove TARGET_CPU_ZARCH usages. 2018-08-08 Ilya Leoshkevich * common/config/s390/s390-common.c (processor_flags_table): Remove flags. * config.gcc: Remove with_arch/with_tune support. * config/s390/2064.md: Remove cpu attribute comparisons. * config/s390/driver-native.c (s390_host_detect_local_cpu): Remove MTN. * config/s390/linux.h (ASM_SPEC): Remove -march support. * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Use a table to get an arch level. * config/s390/s390-opts.h (enum processor_type): Remove enum values. * config/s390/s390.c (processor_table): Remove entries, add arch_level values. (s390_issue_rate): Remove cases. (s390_option_override): Adjust s390_option_override_internal() call. (s390_option_override_internal): Remove deprecation warning. (s390_valid_target_attribute_tree): Adjust s390_option_override_internal() call. * config/s390/s390.h (struct s390_processor): Share with s390-c.c, add arch_level field. * config/s390/s390.md: Remove occurrences in cpu attribute. * config/s390/s390.opt: Remove -march/-mtune support. * config/s390/tpf.h (ASM_SPEC): Remove -march support. * doc/invoke.texi: Remove deprecation warning. 2018-08-08 Luis Machado * config/aarch64/aarch64.c (qdf24xx_vector_cost): New static global. (qdf24xx_tunings): Set vector cost structure to qdf24xx_vector_cost. * config/aarch64/aarch64.c (qdf24xx_addrcost_table) : Set to 3. 2018-08-07 Richard Sandiford PR target/86838 * config/aarch64/iterators.md (FRECP, frecp_suffix): Delete. * config/aarch64/aarch64-simd.md (aarch64_frecp): Fold FRECPE into... (@aarch64_frecpe): ...here and the move FRECPX to... (aarch64_frecpx): ...this new pattern. * config/aarch64/aarch64-simd-builtins.def: Remove comment about aarch64_frecp. 2018-08-07 Martin Liska PR middle-end/83023 * predict.c (expr_expected_value_1): Handle DECL_IS_MALLOC, BUILT_IN_REALLOC and DECL_IS_OPERATOR_NEW. * predict.def (PRED_MALLOC_NONNULL): New predictor. * doc/extend.texi: Document that malloc attribute adds hit to compiler. 2018-08-06 John David Anglin PR target/86785 * config/pa/pa.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-08-06 Jeff Law * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Pass down the vr_values instance to cprop_into_stmt. (cprop_into_stmt): Pass vr_values instance down to cprop_operand. (cprop_operand): Also query EVRP to determine if OP is a constant. 2018-08-06 Nathan Sidwell * diagnostic.c (diagnostic_report_current_module): Reroll included-at loop. Translate text. 2018-08-06 David Malcolm * function-tests.c (selftest::test_expansion_to_rtl): Call free_after_compilation. 2018-08-06 Alan Hayward * config/aarch64/aarch64.md: Add clobber highs to tls_desc. 2018-08-06 Andreas Krebbel * config/s390/s390.c (s390_loop_unroll_adjust): Prevent small loops with memory block operations from getting unrolled. 2018-08-06 Ulrich Weigand PR target/86807 * config/spu/spu.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-08-06 Jeff Law * reload1.c (forget_old_reloads_1): Adjust CLOBBER_HIGH assert. 2018-08-06 Jozef Lawrynowicz PR target/86662 * gcc/tree.c (build_common_tree_nodes): Initialize integer_types array with all enabled __intN types. * gcc/testsuite/gcc.target/msp430/pr86662.c: New test. 2018-08-06 Alan Hayward * alias.c (record_set): Check for clobber high. * cfgexpand.c (expand_gimple_stmt): Likewise. * combine-stack-adj.c (single_set_for_csa): Likewise. * combine.c (find_single_use_1): Likewise. (set_nonzero_bits_and_sign_copies): Likewise. (get_combine_src_dest): Likewise. (is_parallel_of_n_reg_sets): Likewise. (try_combine): Likewise. (record_dead_and_set_regs_1): Likewise. (reg_dead_at_p_1): Likewise. (reg_dead_at_p): Likewise. * dce.c (deletable_insn_p): Likewise. (mark_nonreg_stores_1): Likewise. (mark_nonreg_stores_2): Likewise. * df-scan.c (df_find_hard_reg_defs): Likewise. (df_uses_record): Likewise. (df_get_call_refs): Likewise. * dwarf2out.c (mem_loc_descriptor): Likewise. * haifa-sched.c (haifa_classify_rtx): Likewise. * ira-build.c (create_insn_allocnos): Likewise. * ira-costs.c (scan_one_insn): Likewise. * ira.c (equiv_init_movable_p): Likewise. (rtx_moveable_p): Likewise. (interesting_dest_for_shprep): Likewise. * jump.c (mark_jump_label_1): Likewise. * postreload-gcse.c (record_opr_changes): Likewise. * postreload.c (reload_cse_simplify): Likewise. (struct reg_use): Add source expr. (reload_combine): Check for clobber high. (reload_combine_note_use): Likewise. (reload_cse_move2add): Likewise. (move2add_note_store): Likewise. * print-rtl.c (print_pattern): Likewise. * recog.c (decode_asm_operands): Likewise. (store_data_bypass_p): Likewise. (if_test_bypass_p): Likewise. * regcprop.c (kill_clobbered_value): Likewise. (kill_set_value): Likewise. * reginfo.c (reg_scan_mark_refs): Likewise. * reload1.c (maybe_fix_stack_asms): Likewise. (eliminate_regs_1): Likewise. (elimination_effects): Likewise. (mark_not_eliminable): Likewise. (scan_paradoxical_subregs): Likewise. (forget_old_reloads_1): Likewise. * reorg.c (find_end_label): Likewise. (try_merge_delay_insns): Likewise. (redundant_insn): Likewise. (own_thread_p): Likewise. (fill_simple_delay_slots): Likewise. (fill_slots_from_thread): Likewise. (dbr_schedule): Likewise. * resource.c (update_live_status): Likewise. (mark_referenced_resources): Likewise. (mark_set_resources): Likewise. * rtl.c (copy_rtx): Likewise. * rtlanal.c (reg_referenced_p): Likewise. (single_set_2): Likewise. (noop_move_p): Likewise. (note_stores): Likewise. * sched-deps.c (sched_analyze_reg): Likewise. (sched_analyze_insn): Likewise. 2018-08-06 Alan Hayward * cse.c (invalidate_reg): New function extracted from... (invalidate): ...here. (canonicalize_insn): Check for clobber high. (invalidate_from_clobbers): invalidate clobber highs. (invalidate_from_sets_and_clobbers): Likewise. (count_reg_usage): Check for clobber high. (insn_live_p): Likewise. * cselib.c (cselib_expand_value_rtx_1):Likewise. (cselib_invalidate_regno): Check for clobber in setter. (cselib_invalidate_rtx): Pass through setter. (cselib_invalidate_rtx_note_stores): (cselib_process_insn): Check for clobber high. * cselib.h (cselib_invalidate_rtx): Add operand. 2018-08-06 Alan Hayward * lra-eliminations.c (lra_eliminate_regs_1): Check for clobber high. (mark_not_eliminable): Likewise. * lra-int.h (struct lra_insn_reg): Add clobber high marker. * lra-lives.c (process_bb_lives): Check for clobber high. * lra.c (new_insn_reg): Remember clobber highs. (collect_non_operand_hard_regs): Check for clobber high. (lra_set_insn_recog_data): Likewise. (add_regs_to_insn_regno_info): Likewise. (lra_update_insn_regno_info): Likewise. 2018-08-06 Alan Hayward * rtl.h (reg_is_clobbered_by_clobber_high): Add declarations. * rtlanal.c (reg_is_clobbered_by_clobber_high): Add function. 2018-08-06 Alan Hayward * emit-rtl.c (verify_rtx_sharing): Check for CLOBBER_HIGH. (copy_insn_1): Likewise. (gen_hard_reg_clobber_high): New gen function. * genconfig.c (walk_insn_part): Check for CLOBBER_HIGH. * genemit.c (gen_exp): Likewise. (gen_emit_seq): Pass through info. (gen_insn): Check for CLOBBER_HIGH. (gen_expand): Pass through info. (gen_split): Likewise. (output_add_clobbers): Likewise. * genrecog.c (validate_pattern): Check for CLOBBER_HIGH. (remove_clobbers): Likewise. * rtl.h (gen_hard_reg_clobber_high): New declaration. 2018-08-06 Alan Hayward * doc/rtl.texi (clobber_high): Add. (parallel): Add in clobber high * rtl.c (rtl_check_failed_code3): Add function. * rtl.def (CLOBBER_HIGH): Add expression. * rtl.h (RTL_CHECKC3): Add macro. (rtl_check_failed_code3): Add declaration. (XC3EXP): Add macro. 2018-08-05 H.J. Lu PR target/86386 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Set cfun->machine->max_used_stack_alignment if needed. 2018-08-04 Martin Sebor PR tree-optimization/86571 * gimple-ssa-sprintf.c (format_floating): Extend upper bound of NaN output to 4. 2018-08-03 Sandra Loosemore PR target/86799 * config/nios2/nios2.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define. 2018-08-03 Jeff Law PR target/86795 * config/mn10300/mn10300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-08-03 David Malcolm * doc/gcov.texi (-x): Remove duplicate "to". * doc/invoke.texi (-Wnoexcept-type): Remove duplicate "calls". (-Wif-not-aligned): Remove duplicate "is". (-flto): Remove duplicate "the". (MicroBlaze Options): In examples of "-mcpu=cpu-type", remove duplicate "v5.00.b". (MSP430 Options): Remove duplicate "and" from the description of "-mgprel-sec=regexp". (x86 Options): Remove duplicate copies of "vmldLog102" and vmlsLog104 from description of "-mveclibabi=type". 2018-08-03 Richard Sandiford * internal-fn.h (first_commutative_argument): Declare. * internal-fn.c (first_commutative_argument): New function. * tree-vect-slp.c (vect_get_and_check_slp_defs): Remove extra restrictions for pattern statements. Use first_commutative_argument to look for commutative operands in calls to internal functions. 2018-08-03 Aldy Hernandez * Makefile.in (wide-int-range.o): New. * tree-vrp.c: Move all the wide_int_* functions to... * wide-int-range.cc: ...here. * tree-vrp.h: Move all the wide_int_* prototypes to... * wide-int-range.h: ...here. 2018-08-03 Tom de Vries * common/config/nvptx/nvptx-common.c (nvptx_except_unwind_info): Return UI_NONE. * config/nvptx/nvptx.c (TARGET_ASM_BYTE_OP): Remove define. * except.c (output_function_exception_table): Do early exit if targetm_common.except_unwind_info (&global_options) == UI_NONE. 2018-08-03 Martin Liska * predict.c (dump_prediction): Change to 2 digits in fraction part. 2018-08-03 Siddhesh Poyarekar * config/aarch64/falkor.md (falkor_am_1_vxvy_vxvy): Move neon_dup_q to... (falkor_am_1_gtov_gtov): ... a new insn reservation. 2018-07-19 Ilya Leoshkevich * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Replace > with >=. * df-problems.c (df_remove_dead_eq_notes): Replace > with >=. * dwarf2out.c (mem_loc_descriptor): Replace > with >=. * lra-constraints.c (spill_hard_reg_in_range): Replace <= with <. * lra-remat.c (call_used_input_regno_present_p): Replace <= with <. 2018-08-02 David Malcolm * diagnostic-show-locus.c (diagnostic_show_locus): Use pp_take_prefix when saving the existing prefix. * diagnostic.c (diagnostic_append_note): Likewise. * langhooks.c (lhd_print_error_function): Likewise. * pretty-print.c (pp_set_prefix): Drop the "const" from "prefix" param's type. Free the existing prefix. (pp_take_prefix): New function. (pretty_printer::pretty_printer): Drop the prefix parameter. Rename the length parameter to match the comment. (pretty_printer::~pretty_printer): Free the prefix. * pretty-print.h (pretty_printer::pretty_printer): Drop the prefix parameter. (struct pretty_printer): Drop the "const" from "prefix" field's type and clarify memory management. (pp_set_prefix): Drop the "const" from the 2nd param. (pp_take_prefix): New decl. 2018-08-02 Aaron Sawdey * config/rs6000/rs6000-string.c (select_block_compare_mode): Move test for word_mode_ok here instead of passing as argument. (expand_block_compare): Change select_block_compare_mode() call. (expand_strncmp_gpr_sequence): New function. (expand_strn_compare): Make use of expand_strncmp_gpr_sequence. 2018-08-02 Jeff Law PR target/86790 * config/m68k/m68k.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86784 * config/h8300/h8300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-08-02 Tom de Vries PR target/86660 * common/config/nvptx/nvptx-common.c (nvptx_except_unwind_info): New function. Return UI_TARGET unconditionally. (TARGET_EXCEPT_UNWIND_INFO): Redefine to nvptx_except_unwind_info. * config/nvptx/nvptx.c (TARGET_ASM_BYTE_OP): Emit commented out '.byte'. 2018-08-02 Richard Sandiford * genemit.c (print_overload_test): Fix typo. 2018-08-02 Richard Biener PR tree-optimization/86816 * tree-ssa-tail-merge.c (tail_merge_valueize): New function which checks for value availability before querying it. (gvn_uses_equal): Use it. (same_succ_hash): Likewise. (gimple_equal_p): Likewise. 2018-08-02 Nick Clifton PR target/86813 * config/stormy16/stormy16.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86810 * config/v850/v850.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86810 * config/v850/v850.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86803 * config/rx/rx.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86797 * config/msp430/msp430.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86791 * config/mcore/mcore.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86789 * config/m32r/m32r.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86787 * config/iq2000/iq2000.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86782 * config/frv/frv.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. PR target/86781 * config/fr30/fr30.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-08-02 Richard Sandiford * doc/md.texi: Expand the documentation of instruction names to mention port-local uses. Document '@' in pattern names. * read-md.h (overloaded_instance, overloaded_name): New structs. (mapping): Declare. (md_reader::handle_overloaded_name): New member function. (md_reader::get_overloads): Likewise. (md_reader::m_first_overload): New member variable. (md_reader::m_next_overload_ptr): Likewise. (md_reader::m_overloads_htab): Likewise. * read-md.c (md_reader::md_reader): Initialize m_first_overload, m_next_overload_ptr and m_overloads_htab. * read-rtl.c (iterator_group): Add "type" and "get_c_token" fields. (get_mode_token, get_code_token, get_int_token): New functions. (map_attr_string): Add an optional argument that passes back the associated iterator. (overloaded_name_hash, overloaded_name_eq_p, named_rtx_p): (md_reader::handle_overloaded_name, add_overload_instance): New functions. (apply_iterators): Handle '@' names. Report an error if '@' is used without iterators. (initialize_iterators): Initialize the new iterator_group fields. * genopinit.c (handle_overloaded_code_for) (handle_overloaded_gen): New functions. (main): Use them to print declarations of maybe_code_for_* and maybe_gen_* functions, and inline definitions of code_for_* and gen_*. * genemit.c (print_overload_arguments, print_overload_test) (handle_overloaded_code_for, handle_overloaded_gen): New functions. (main): Use it to print definitions of maybe_code_for_* and maybe_gen_* functions. * config/aarch64/aarch64.c (aarch64_split_128bit_move): Use gen_aarch64_mov{low,high}_di and gen_aarch64_movdi_{low,high} instead of explicit mode checks. (aarch64_split_simd_combine): Likewise gen_aarch64_simd_combine. (aarch64_split_simd_move): Likewise gen_aarch64_split_simd_mov. (aarch64_emit_load_exclusive): Likewise gen_aarch64_load_exclusive. (aarch64_emit_store_exclusive): Likewise gen_aarch64_store_exclusive. (aarch64_expand_compare_and_swap): Likewise gen_aarch64_compare_and_swap and gen_aarch64_compare_and_swap_lse (aarch64_gen_atomic_cas): Likewise gen_aarch64_atomic_cas. (aarch64_emit_atomic_swap): Likewise gen_aarch64_atomic_swp. (aarch64_constant_pool_reload_icode): Delete. (aarch64_secondary_reload): Use code_for_aarch64_reload_movcp instead of aarch64_constant_pool_reload_icode. Use code_for_aarch64_reload_mov instead of explicit mode checks. (rsqrte_type, get_rsqrte_type, rsqrts_type, get_rsqrts_type): Delete. (aarch64_emit_approx_sqrt): Use gen_aarch64_rsqrte instead of get_rsqrte_type and gen_aarch64_rsqrts instead of gen_rqrts_type. (recpe_type, get_recpe_type, recps_type, get_recps_type): Delete. (aarch64_emit_approx_div): Use gen_aarch64_frecpe instead of get_recpe_type and gen_aarch64_frecps instead of get_recps_type. (aarch64_atomic_load_op_code): Delete. (aarch64_emit_atomic_load_op): Likewise. (aarch64_gen_atomic_ldop): Use UNSPECV_ATOMIC_* instead of aarch64_atomic_load_op_code. Use gen_aarch64_atomic_load instead of aarch64_emit_atomic_load_op. * config/aarch64/aarch64.md (aarch64_reload_movcp) (aarch64_reload_movcp, aarch64_reload_mov) (aarch64_movdi_low, aarch64_movdi_high) (aarch64_movhigh_di, aarch64_movlow_di): Add a '@' character before the pattern name. * config/aarch64/aarch64-simd.md (aarch64_split_simd_mov) (aarch64_rsqrte, aarch64_rsqrts) (aarch64_simd_combine, aarch64_frecpe) (aarch64_frecps): Likewise. * config/aarch64/atomics.md (atomic_compare_and_swap) (aarch64_compare_and_swap, aarch64_compare_and_swap_lse) (aarch64_load_exclusive, aarch64_store_exclusive) (aarch64_atomic_swp, aarch64_atomic_cas) (aarch64_atomic_load): Likewise. 2018-08-02 Richard Sandiford * config/aarch64/aarch64.c (aarch64_float_const_representable_p): Allow HFmode constants if TARGET_FP_F16INST. 2018-08-02 Jackson Woodruff PR target/86014 * config/aarch64/aarch64.c (aarch64_operands_adjust_ok_for_ldpstp): No longer check last store for clobber of address register. 2018-08-02 Martin Liska PR gcov-profile/86817 * gcov.c (process_all_functions): New function. (main): Call it. (process_file): Move functions processing to process_all_functions. 2018-08-02 David Malcolm * dumpfile.c (dump_user_location_t::dump_user_location_t): Add "const" to the "gimple *" and "rtx_insn *" parameters. * dumpfile.h (dump_user_location_t::dump_user_location_t): Likewise. (dump_location_t::dump_location_t): Likewise. 2018-08-01 Martin Sebor PR tree-optimization/86650 * gimple-pretty-print.c (percent_G_format): Accept a "gimple *" rather than a "gcall *". Directly pass the data of interest to percent_K_format, rather than building a temporary CALL_EXPR to hold it. * gimple-fold.c (gimple_fold_builtin_strncpy): Adjust. (gimple_fold_builtin_strncat): Adjust. * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Replace gcall* argument with gimple*. * gimple-ssa-warn-restrict.c (check_call): Same. (wrestrict_dom_walker::before_dom_children): Same. (builtin_access::builtin_access): Same. (check_bounds_or_overlap): Same (maybe_diag_overlap): Same. (maybe_diag_offset_bounds): Same. * tree-diagnostic.c (default_tree_printer): Move usage of EXPR_LOCATION (t) and TREE_BLOCK (t) from within percent_K_format to this callsite. * tree-pretty-print.c (percent_K_format): Add argument. * tree-pretty-print.h: Add argument. * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Adjust. (maybe_diag_stxncpy_trunc): Same. (handle_builtin_stxncpy): Same. (handle_builtin_strcat): Same. 2018-08-01 Richard Sandiford * match.pd: Optimise pointer range checks. 2018-08-01 Richard Sandiford PR tree-optimization/86758 * tree-vect-stmts.c (vectorizable_simd_clone_call): Don't try to remove pattern statements. 2018-08-01 Richard Sandiford * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Use the result of dfs_enumerate_from when constructing stmt_vec_infos, instead of additionally calling get_loop_body. 2018-08-01 Richard Sandiford * tree-vectorizer.h (vect_create_data_ref_ptr): Remove inv_p parameter. * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise. When creating an iv, assert that the step is not known to be zero. (vect_setup_realignment): Update call accordingly. * tree-vect-stmts.c (vectorizable_store): Likewise. (vectorizable_load): Likewise. Handle VMAT_INVARIANT separately. 2018-08-01 Richard Sandiford * tree-vectorizer.h (vect_stmt_to_vectorize): New function. * tree-vect-loop.c (vect_update_vf_for_slp): Use it. (vectorizable_reduction): Likewise. * tree-vect-slp.c (vect_analyze_slp_instance): Likewise. (vect_detect_hybrid_slp_stmts): Likewise. * tree-vect-stmts.c (vect_is_simple_use): Likewise. 2018-08-01 Aldy Hernandez * tree-vrp (zero_nonzero_bits_from_bounds): Rename to... (wide_int_set_zero_nonzero_bits): ...this. (zero_nonzero_bits_from_vr): Rename to... (vrp_set_zero_nonzero_bits): ...this. (extract_range_from_multiplicative_op_1): Abstract wide int code... (wide_int_range_multiplicative_op): ...here. (extract_range_from_binary_expr_1): Extract wide int binary operations into their own functions. (wide_int_range_lshift): New. (wide_int_range_can_optimize_bit_op): New. (wide_int_range_shift_undefined_p): New. (wide_int_range_bit_xor): New. (wide_int_range_bit_ior): New. (wide_int_range_bit_and): New. (wide_int_range_trunc_mod): New. (extract_range_into_wide_ints): New. (vrp_shift_undefined_p): New. (extract_range_from_multiplicative_op): New. (vrp_can_optimize_bit_op): New. * tree-vrp.h (value_range::dump): New. (wide_int_range_multiplicative_op): New. (wide_int_range_lshift):New. (wide_int_range_shift_undefined_p): New. (wide_int_range_bit_xor): New. (wide_int_range_bit_ior): New. (wide_int_range_bit_and): New. (wide_int_range_trunc_mod): New. (zero_nonzero_bits_from_bounds): Rename to... (wide_int_set_zero_nonzero_bits): ...this. (zero_nonzero_bits_from_vr): Rename to... (vrp_set_zero_nonzero_bits): ...this. (range_easy_mask_min_max): Rename to... (wide_int_range_can_optimize_bit_op): this. * vr-values.c (simplify_bit_ops_using_ranges): Rename zero_nonzero_bits_from_vr into vrp_set_zero_nonzero_bits. 2018-08-01 Richard Sandiford * tree-vectorizer.h (vect_orig_stmt): New function. * tree-vect-data-refs.c (vect_preserves_scalar_order_p): Use it. * tree-vect-loop.c (vect_model_reduction_cost): Likewise. (vect_create_epilog_for_reduction): Likewise. (vectorizable_live_operation): Likewise. * tree-vect-slp.c (vect_find_last_scalar_stmt_in_slp): Likewise. (vect_detect_hybrid_slp_stmts, vect_schedule_slp): Likewise. * tree-vect-stmts.c (vectorizable_call): Likewise. (vectorizable_simd_clone_call, vect_remove_stores): Likewise. 2018-08-01 Richard Sandiford * tree-vectorizer.h (vect_transform_stmt): Remove grouped_store argument. * tree-vect-stmts.c (vect_transform_stmt): Likewise. * tree-vect-loop.c (vect_transform_loop_stmt): Update call accordingly. (vect_transform_loop): Likewise. * tree-vect-slp.c (vect_schedule_slp_instance): Likewise. 2018-08-01 Richard Sandiford * tree-vectorizer.h (vect_schedule_slp): Return void. * tree-vect-slp.c (vect_schedule_slp_instance): Likewise. (vect_schedule_slp): Likewise. 2018-08-01 Richard Sandiford * tree-vect-loop.c (vect_transform_loop_stmt): Remove slp_scheduled argument. (vect_transform_loop): Update calls accordingly. Schedule SLP instances before the main loop, if any exist. 2018-08-01 Richard Sandiford PR tree-optimization/86749 * tree-vect-patterns.c (vect_determine_min_output_precision_1): If the lhs is used in a COND_EXPR, check that it is being used as the "then" or "else" value. 2018-08-01 Tom de Vries PR target/86800 * config/nvptx/nvptx.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. 2018-08-01 Richard Biener * tree-ssa-sccvn.c (visit_phi): Compare invariant addresses as base and offset. 2018-08-01 Martin Liska * value-prof.c (gimple_divmod_fixed_value_transform): Unify format how successful transformation is dumped. (gimple_mod_pow2_value_transform): Likewise. (gimple_mod_subtract_transform): Likewise. (gimple_stringops_transform): Likewise. 2018-08-01 Martin Liska PR value-prof/35543 * value-prof.c (interesting_stringop_to_profile_p): Simplify the code and add BUILT_IN_MEMMOVE. (gimple_stringops_transform): Likewise. 2018-08-01 Sam Tebbs * config/aarch64/aarch64-simd.md (*aarch64_get_lane_zero_extendsi): Rename to... (*aarch64_get_lane_zero_extend): ... This and use GPI iterator instead of SI mode. 2018-08-01 Richard Earnshaw * config/rs6000/rs6000.md (speculation_barrier): Renamed from rs6000_speculation_barrier. * config/rs6000/rs6000.c (rs6000_expand_builtin): Adjust for new barrier pattern name. 2018-08-01 Richard Earnshaw * config/i386/i386.md (unspecv): Add UNSPECV_SPECULATION_BARRIER. (speculation_barrier): New insn. 2018-08-01 Richard Biener PR bootstrap/86724 * graphite.h: Include isl/id.h and isl/space.h to allow build with ISL 0.20. 2018-08-01 Jan Willem Jagersma PR target/86651 * dwarf2out.c (dwarf2out_early_finish): Do not generate assembly in LTO mode for COFF targets. * defaults.h (TARGET_COFF): Define. * config/i386/djgpp.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END, TARGET_COFF): Define. (i386_djgpp_asm_lto_start, i386_djgpp_asm_lto_end): Declare. * config/i386/djgpp.c (saved_debug_info_level): New static variable. (i386_djgpp_asm_lto_start, i386_djgpp_asm_lto_end): New functions. 2018-07-31 Alexandre Oliva * gimple-streamer-in.c (input_bb): Restore BB discriminator. * gimple-streamer-out.c (output_bb): Save it. * lto-streamer-in.c (input_struct_function_base): Restore instance discriminator if available. Create map on demand. * lto-streamer-out.c (output_struct_function_base): Save it if available. * final.c (decl_to_instance_map): Document LTO strategy. 2018-07-31 Alexandre Oliva Olivier Hainque * debug.h (decl_to_instance_map_t): New type. (decl_to_instance_map): Declare. (maybe_create_decl_to_instance_map): New inline function. * final.c (bb_discriminator, last_bb_discriminator): New statics, to track basic block discriminators. (final_start_function_1): Initialize them. (final_scan_insn_1): On NOTE_INSN_BASIC_BLOCK, track bb_discriminator. (decl_to_instance_map): New variable. (map_decl_to_instance, maybe_set_discriminator): New functions. (notice_source_line): Set discriminator. 2018-07-31 Ian Lance Taylor * targhooks.c (default_have_speculation_safe_value): Add ATTRIBUTE_UNUSED. 2018-07-31 David Malcolm * dump-context.h: Include "pretty-print.h". (dump_context::refresh_dumps_are_enabled): New decl. (dump_context::emit_item): New decl. (class dump_context): Add fields "m_test_pp" and "m_test_pp_flags". (temp_dump_context::temp_dump_context): Add param "test_pp_flags". (temp_dump_context::get_dumped_text): New decl. (class temp_dump_context): Add field "m_pp". * dumpfile.c (refresh_dumps_are_enabled): Convert to... (dump_context::refresh_dumps_are_enabled): ...and add a test for m_test_pp. (set_dump_file): Update for above change. (set_alt_dump_file): Likewise. (dump_loc): New overload, taking a pretty_printer *. (dump_context::dump_loc): Call end_any_optinfo. Dump the location to any test pretty-printer. (make_item_for_dump_gimple_stmt): New function, adapted from optinfo::add_gimple_stmt. (dump_context::dump_gimple_stmt): Call it, and use the result, eliminating the direct usage of dump_file and alt_dump_file in favor of indirectly using them via emit_item. (make_item_for_dump_gimple_expr): New function, adapted from optinfo::add_gimple_expr. (dump_context::dump_gimple_expr): Call it, and use the result, eliminating the direct usage of dump_file and alt_dump_file in favor of indirectly using them via emit_item. (make_item_for_dump_generic_expr): New function, adapted from optinfo::add_tree. (dump_context::dump_generic_expr): Call it, and use the result, eliminating the direct usage of dump_file and alt_dump_file in favor of indirectly using them via emit_item. (make_item_for_dump_printf_va): New function, adapted from optinfo::add_printf_va. (make_item_for_dump_printf): New function. (dump_context::dump_printf_va): Call make_item_for_dump_printf_va, and use the result, eliminating the direct usage of dump_file and alt_dump_file in favor of indirectly using them via emit_item. (make_item_for_dump_dec): New function. (dump_context::dump_dec): Call it, and use the result, eliminating the direct usage of dump_file and alt_dump_file in favor of indirectly using them via emit_item. (make_item_for_dump_symtab_node): New function, adapted from optinfo::add_symtab_node. (dump_context::dump_symtab_node): Call it, and use the result, eliminating the direct usage of dump_file and alt_dump_file in favor of indirectly using them via emit_item. (dump_context::begin_scope): Reimplement, avoiding direct usage of dump_file and alt_dump_file in favor of indirectly using them via emit_item. (dump_context::emit_item): New member function. (temp_dump_context::temp_dump_context): Add param "test_pp_flags". Set up test pretty-printer on the underlying context. Call refresh_dumps_are_enabled. (temp_dump_context::~temp_dump_context): Call refresh_dumps_are_enabled. (temp_dump_context::get_dumped_text): New member function. (selftest::verify_dumped_text): New function. (ASSERT_DUMPED_TEXT_EQ): New macro. (selftest::test_capture_of_dump_calls): Run all tests twice, with and then without optinfo enabled. Add uses of ASSERT_DUMPED_TEXT_EQ to all tests. Add test of nested scopes. * dumpfile.h: Update comment for the dump_* API. * optinfo-emit-json.cc (selftest::test_building_json_from_dump_calls): Update for new param for temp_dump_context ctor. * optinfo.cc (optinfo_item::optinfo_item): Remove "owned" param and "m_owned" field. (optinfo_item::~optinfo_item): Likewise. (optinfo::add_item): New member function. (optinfo::emit): Update comment. (optinfo::add_string): Delete. (optinfo::add_printf): Delete. (optinfo::add_printf_va): Delete. (optinfo::add_gimple_stmt): Delete. (optinfo::add_gimple_expr): Delete. (optinfo::add_tree): Delete. (optinfo::add_symtab_node): Delete. (optinfo::add_dec): Delete. * optinfo.h (class dump_context): New forward decl. (optinfo::add_item): New decl. (optinfo::add_string): Delete. (optinfo::add_printf): Delete. (optinfo::add_printf_va): Delete. (optinfo::add_gimple_stmt): Delete. (optinfo::add_gimple_expr): Delete. (optinfo::add_tree): Delete. (optinfo::add_symtab_node): Delete. (optinfo::add_dec): Delete. (optinfo::add_poly_int): Delete. (optinfo_item::optinfo_item): Remove "owned" param. (class optinfo_item): Remove field "m_owned". 2018-07-31 Jozef Lawrynowicz PR middle-end/86705 * gcc/cfgexpand.c (set_parm_rtl): Use the alignment of Pmode when MAX_SUPPORTED_STACK_ALIGNMENT would otherwise be exceeded by the requested variable alignment. (expand_one_ssa_partition): Likewise. (expand_one_var): Likewise. 2018-07-31 Richard Earnshaw * config/pdp11/pdp11.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine to speculation_safe_value_not_needed. 2018-07-31 Richard Earnshaw * targhooks.h (speculation_safe_value_not_needed): New prototype. * targhooks.c (speculation_safe_value_not_needed): New function. * target.def (have_speculation_safe_value): Update documentation. * doc/tm.texi: Regenerated. 2018-07-31 Richard Earnshaw * config/aarch64/iterators.md (ALLI_TI): New iterator. * config/aarch64/aarch64.md (despeculate_copy): New expand. (despeculate_copy_insn): New insn. (despeculate_copyti_insn): New insn. (despeculate_simple): New insn (despeculate_simpleti): New insn. * config/aarch64/aarch64.c (aarch64_speculation_safe_value): New function. (TARGET_SPECULATION_SAFE_VALUE): Redefine to aarch64_speculation_safe_value. (aarch64_print_operand): Handle const0_rtx in modifier 'H'. 2018-07-31 Richard Earnshaw * config/aarch64/aarch64-speculation.cc: New file. * config/aarch64/aarch64-passes.def (pass_track_speculation): Add before pass_reorder_blocks. * config/aarch64/aarch64-protos.h (make_pass_track_speculation): Add prototype. * config/aarch64/aarch64.c (aarch64_conditional_register_usage): Fix X14 and X15 when tracking speculation. * config/aarch64/aarch64.md (register name constants): Add SPECULATION_TRACKER_REGNUM and SPECULATION_SCRATCH_REGNUM. (unspec): Add UNSPEC_SPECULATION_TRACKER. (speculation_barrier): New insn attribute. (cmp): Allow SP in comparisons. (speculation_tracker): New insn. (speculation_barrier): Add speculation_barrier attribute. * config/aarch64/t-aarch64: Add make rule for aarch64-speculation.o. * config.gcc (aarch64*-*-*): Add aarch64-speculation.o to extra_objs. * doc/invoke.texi (AArch64 Options): Document -mtrack-speculation. 2018-07-31 Richard Earnshaw * config/aarch64/aarch64.md (cb1): Disable when aarch64_track_speculation is true. (tb1): Likewise. * config/aarch64/aarch64.c (aarch64_split_compare_regs): Do not generate CB[N]Z when tracking speculation. (aarch64_split_compare_and_swap): Likewise. (aarch64_split_atomic_op): Likewise. 2018-07-31 Richard Earnshaw * config/aarch64/aarch64.opt (mtrack-speculation): New target option. 2018-07-31 Richard Earnshaw * config/aarch64.md (unspecv): Add UNSPECV_SPECULAION_BARRIER. (speculation_barrier): New insn. 2018-07-31 Richard Earnshaw * config/arm/unspecs.md (unspecv): Add VUNSPEC_SPECULATION_BARRIER. * config/arm/arm.md (speculation_barrier): New expand. (speculation_barrier_insn): New pattern. 2018-07-31 Richard Earnshaw * builtin-types.def (BT_FN_PTR_PTR_VAR): New function type. (BT_FN_I1_I1_VAR, BT_FN_I2_I2_VAR, BT_FN_I4_I4_VAR): Likewise. (BT_FN_I8_I8_VAR, BT_FN_I16_I16_VAR): Likewise. * builtin-attrs.def (ATTR_NOVOPS_NOTHROW_LEAF_LIST): New attribute list. * builtins.def (BUILT_IN_SPECULATION_SAFE_VALUE_N): New builtin. (BUILT_IN_SPECULATION_SAFE_VALUE_PTR): New internal builtin. (BUILT_IN_SPECULATION_SAFE_VALUE_1): Likewise. (BUILT_IN_SPECULATION_SAFE_VALUE_2): Likewise. (BUILT_IN_SPECULATION_SAFE_VALUE_4): Likewise. (BUILT_IN_SPECULATION_SAFE_VALUE_8): Likewise. (BUILT_IN_SPECULATION_SAFE_VALUE_16): Likewise. * builtins.c (expand_speculation_safe_value): New function. (expand_builtin): Call it. * doc/cpp.texi: Document predefine __HAVE_SPECULATION_SAFE_VALUE. * doc/extend.texi: Document __builtin_speculation_safe_value. * doc/md.texi: Document "speculation_barrier" pattern. * doc/tm.texi.in: Pull in TARGET_SPECULATION_SAFE_VALUE and TARGET_HAVE_SPECULATION_SAFE_VALUE. * doc/tm.texi: Regenerated. * target.def (have_speculation_safe_value, speculation_safe_value): New hooks. * targhooks.c (default_have_speculation_safe_value): New function. (default_speculation_safe_value): New function. * targhooks.h (default_have_speculation_safe_value): Add prototype. (default_speculation_safe_value): Add prototype. 2018-07-31 David Malcolm * dump-context.h (dump_context::dump_loc): New decl. * dumpfile.c (dump_context::dump_loc): New member function. (dump_context::dump_gimple_stmt_loc): Reimplement using dump_loc and dump_gimple_stmt. (dump_context::dump_gimple_expr_loc): Likewise, using dump_gimple_expr. (dump_context::dump_generic_expr_loc): Likewise, using dump_generic_expr. (dump_context::dump_printf_loc_va): Likewise, using dump_printf_va. (dump_context::begin_scope): Explicitly using the global function "dump_loc", rather than the member function. 2018-07-31 Martin Sebor PR tree-optimization/86741 * tree-vrp.c (vrp_prop::check_mem_ref): Avoid incomplete types. 2018-07-31 Andreas Krebbel * config/s390/s390.c (s390_expand_setmem): Make the unrolling to depend on whether prefetch instructions will be emitted or not. Use TARGET_SETMEM_PFD for checking whether prefetch instructions will be emitted or not. * config/s390/s390.h (TARGET_SETMEM_PREFETCH_DISTANCE) (TARGET_SETMEM_PFD): New macros. 2018-07-31 Richard Sandiford * tree-vectorizer.h (stmt_vec_info): Turn back into a typedef. (NULL_STMT_VEC_INFO): Delete. (stmt_vec_info::operator*): Likewise. (stmt_vec_info::operator gimple *): Likewise. * tree-vect-loop.c (vectorizable_reduction): Use NULL instead of NULL_STMT_VEC_INFO. * tree-vect-patterns.c (vect_init_pattern_stmt): Likewise. (vect_reassociating_reduction_p): Likewise. * tree-vect-stmts.c (vect_build_gather_load_calls): Likewise. (vectorizable_store): Likewise. * tree-vectorizer.c (vec_info::set_vinfo_for_stmt): Likewise. (vec_info::free_stmt_vec_infos): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vect_stmt_in_region_p): Delete. * tree-vectorizer.c (vect_stmt_in_region_p): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::new_vinfo_for_stmt) (vec_info::set_vinfo_for_stmt, vec_info::free_stmt_vec_infos) (vec_info::free_stmt_vec_info): New private member functions. (set_stmt_vec_info_vec, free_stmt_vec_infos, vinfo_for_stmt) (set_vinfo_for_stmt, new_stmt_vec_info, free_stmt_vec_info): Delete. * tree-parloops.c (gather_scalar_reductions): Remove calls to set_stmt_vec_info_vec and free_stmt_vec_infos. * tree-vect-loop.c (_loop_vec_info): Remove call to set_stmt_vec_info_vec. * tree-vect-stmts.c (new_stmt_vec_info, set_stmt_vec_info_vec) (free_stmt_vec_infos, free_stmt_vec_info): Delete in favor of... * tree-vectorizer.c (vec_info::new_stmt_vec_info) (vec_info::set_vinfo_for_stmt, vec_info::free_stmt_vec_infos) (vec_info::free_stmt_vec_info): ...these new functions. Remove assignments in {vec_info::,}new_stmt_vec_info that are redundant with the clearing in the xcalloc. (stmt_vec_info_vec): Delete. (vec_info::vec_info): Don't call set_stmt_vec_info_vec. (vectorize_loops): Likewise. (vec_info::~vec_info): Remove argument from call to free_stmt_vec_infos. (vec_info::add_stmt): Remove vinfo argument from call to new_stmt_vec_info. 2018-07-31 Richard Sandiford * tree-vectorizer.h (free_stmt_vec_info): Take a stmt_vec_info rather than a gimple stmt. * tree-vect-stmts.c (free_stmt_vec_info): Likewise. Don't free information for pattern statements when passed the original statement; instead wait to be passed the pattern statement itself. Don't call set_vinfo_for_stmt here. (free_stmt_vec_infos): Update call to free_stmt_vec_info. * tree-vect-loop.c (_loop_vec_info::~loop_vec_info): Don't free stmt_vec_infos here. * tree-vect-slp.c (_bb_vec_info::~bb_vec_info): Likewise. * tree-vectorizer.c (vec_info::remove_stmt): Nullify the statement's stmt_vec_infos entry. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::replace_stmt): Declare. * tree-vectorizer.c (vec_info::replace_stmt): New function. * tree-vect-slp.c (vect_remove_slp_scalar_calls): Use it. * tree-vect-stmts.c (vectorizable_call): Likewise. (vectorizable_simd_clone_call): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::remove_stmt): Declare. * tree-vectorizer.c (vec_info::remove_stmt): New function. * tree-vect-loop-manip.c (vect_set_loop_condition): Use it. * tree-vect-loop.c (vect_transform_loop): Likewise. * tree-vect-slp.c (vect_schedule_slp): Likewise. * tree-vect-stmts.c (vect_remove_stores): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::lookup_dr): New member function. (vect_dr_stmt): Delete. * tree-vectorizer.c (vec_info::lookup_dr): New function. * tree-vect-loop-manip.c (vect_update_inits_of_drs): Use it instead of DR_VECT_AUX. * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr) (vect_analyze_data_ref_dependence, vect_record_base_alignments) (vect_verify_datarefs_alignment, vect_peeling_supportable) (vect_analyze_data_ref_accesses, vect_prune_runtime_alias_test_list) (vect_analyze_data_refs): Likewise. (vect_slp_analyze_data_ref_dependence): Likewise. Take a vec_info argument. (vect_find_same_alignment_drs): Likewise. (vect_slp_analyze_node_dependences): Update calls accordingly. (vect_analyze_data_refs_alignment): Likewise. Use vec_info::lookup_dr instead of DR_VECT_AUX. (vect_get_peeling_costs_all_drs): Take a loop_vec_info instead of a vector data references. Use vec_info::lookup_dr instead of DR_VECT_AUX. (vect_peeling_hash_get_lowest_cost): Update calls accordingly. (vect_enhance_data_refs_alignment): Likewise. Use vec_info::lookup_dr instead of DR_VECT_AUX. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_loop_vec_info::unaligned_dr): Change to dr_vec_info. * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Update accordingly. * tree-vect-loop.c (vect_analyze_loop_2): Likewise. * tree-vect-loop-manip.c (get_misalign_in_elems): Likewise. (vect_gen_prolog_loop_niters): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (set_dr_misalignment, dr_misalignment) (DR_TARGET_ALIGNMENT, aligned_access_p, known_alignment_for_access_p) (vect_known_alignment_in_bytes, vect_dr_behavior) (vect_get_scalar_dr_size): Take references as dr_vec_infos instead of data_references. Update calls to other routines for which the same change has been made. * tree-vect-data-refs.c (vect_preserves_scalar_order_p): Take dr_vec_infos instead of stmt_vec_infos. (vect_analyze_data_ref_dependence): Update call accordingly. (vect_slp_analyze_data_ref_dependence) (vect_record_base_alignments): Use DR_VECT_AUX. (vect_calculate_target_alignment, vect_compute_data_ref_alignment) (vect_update_misalignment_for_peel, verify_data_ref_alignment) (vector_alignment_reachable_p, vect_get_data_access_cost) (vect_peeling_supportable, vect_analyze_group_access_1) (vect_analyze_group_access, vect_analyze_data_ref_access) (vect_vfa_segment_size, vect_vfa_access_size, vect_vfa_align) (vect_compile_time_alias, vect_small_gap_p) (vectorizable_with_step_bound_p, vect_duplicate_ssa_name_ptr_info): (vect_supportable_dr_alignment): Take references as dr_vec_infos instead of data_references. Update calls to other routines for which the same change has been made. (vect_verify_datarefs_alignment, vect_get_peeling_costs_all_drs) (vect_find_same_alignment_drs, vect_analyze_data_refs_alignment) (vect_slp_analyze_and_verify_node_alignment) (vect_analyze_data_ref_accesses, vect_prune_runtime_alias_test_list) (vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr) (vect_setup_realignment): Use dr_vec_infos. Update calls after above changes. (_vect_peel_info::dr): Replace with... (_vect_peel_info::dr_info): ...this new field. (vect_peeling_hash_get_most_frequent) (vect_peeling_hash_choose_best_peeling): Update accordingly. (vect_peeling_hash_get_lowest_cost): (vect_enhance_data_refs_alignment): Likewise. Update calls to other routines for which the same change has been made. (vect_peeling_hash_insert): Likewise. Take a dr_vec_info instead of a data_reference. * tree-vect-loop-manip.c (get_misalign_in_elems) (vect_gen_prolog_loop_niters): Use dr_vec_infos. Update calls after above changes. * tree-vect-loop.c (vect_analyze_loop_2): Likewise. * tree-vect-stmts.c (vect_get_store_cost, vect_get_load_cost) (vect_truncate_gather_scatter_offset, compare_step_with_zero) (get_group_load_store_type, get_negative_load_store_type) (vect_get_data_ptr_increment, vectorizable_store) (vectorizable_load): Likewise. (ensure_base_align): Take a dr_vec_info instead of a data_reference. Update calls to other routines for which the same change has been made. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::move_dr): New member function. (dataref_aux): Rename to... (dr_vec_info): ...this and add "dr" and "stmt" fields. (_stmt_vec_info::dr_aux): Update accordingly. (_stmt_vec_info::data_ref_info): Delete. (STMT_VINFO_GROUPED_ACCESS, DR_GROUP_FIRST_ELEMENT) (DR_GROUP_NEXT_ELEMENT, DR_GROUP_SIZE, DR_GROUP_STORE_COUNT) (DR_GROUP_GAP, DR_GROUP_SAME_DR_STMT, REDUC_GROUP_FIRST_ELEMENT): (REDUC_GROUP_NEXT_ELEMENT, REDUC_GROUP_SIZE): Use dr_aux.dr instead of data_ref. (STMT_VINFO_DATA_REF): Likewise. Turn into an lvalue. (STMT_VINFO_DR_INFO): New macro. (DR_VECT_AUX): Use STMT_VINFO_DR_INKFO and vect_dr_stmt. (set_dr_misalignment): Update after rename of dataref_aux. (vect_dr_stmt): Move earlier in file. Return dr_aux.stmt. * tree-vect-stmts.c (new_stmt_vec_info): Remove redundant initialization of STMT_VINFO_DATA_REF. * tree-vectorizer.c (vec_info::move_dr): New function. * tree-vect-patterns.c (vect_recog_bool_pattern) (vect_recog_mask_conversion_pattern) (vect_recog_gather_scatter_pattern): Use it. * tree-vect-data-refs.c (vect_analyze_data_refs): Initialize the "dr" and "stmt" fields of dr_vec_info instead of STMT_VINFO_DATA_REF. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_stmt_vec_info::pattern_stmt_p): New field. (is_pattern_stmt_p): Use it. * tree-vect-patterns.c (vect_init_pattern_stmt): Set pattern_stmt_p on pattern statements. 2018-07-31 Richard Sandiford * tree-vect-patterns.c (vect_mark_pattern_stmts): Take the original stmt as a stmt_vec_info rather than a gimple stmt. (vect_pattern_recog_1): Take the statement directly as a stmt_vec_info, rather than via a gimple_stmt_iterator. Update call to vect_mark_pattern_stmts. (vect_pattern_recog): Update calls accordingly. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vect_get_vec_defs_for_stmt_copy) (vect_get_vec_def_for_stmt_copy): Take a vec_info rather than a vect_def_type for the first argument. * tree-vect-stmts.c (vect_get_vec_defs_for_stmt_copy): Likewise. (vect_get_vec_def_for_stmt_copy): Likewise. Return the original operand if it isn't defined by a vectorized statement. (vect_build_gather_load_calls): Remove the mask_dt argument and update calls to vect_get_vec_def_for_stmt_copy. (vectorizable_bswap): Likewise the dt argument. (vectorizable_call): Update calls to vectorizable_bswap and vect_get_vec_def_for_stmt_copy. (vectorizable_simd_clone_call, vectorizable_assignment) (vectorizable_shift, vectorizable_operation, vectorizable_condition) (vectorizable_comparison): Update calls to vect_get_vec_def_for_stmt_copy. (vectorizable_store): Likewise. Remove now-unnecessary calls to vect_is_simple_use. (vect_get_loop_based_defs): Remove dt argument and update call to vect_get_vec_def_for_stmt_copy. (vectorizable_conversion): Update calls to vect_get_loop_based_defs and vect_get_vec_def_for_stmt_copy. (vectorizable_load): Update calls to vect_build_gather_load_calls and vect_get_vec_def_for_stmt_copy. * tree-vect-loop.c (vect_create_epilog_for_reduction) (vectorizable_reduction, vectorizable_live_operation): Update calls to vect_get_vec_def_for_stmt_copy. 2018-07-31 Richard Sandiford * tree-vect-data-refs.c (vect_record_base_alignment): Replace vec_info and gimple stmt arguments with a stmt_vec_info. (vect_record_base_alignments): Update calls accordingly. * tree-vect-slp.c (vect_record_max_nunits): Replace vec_info and gimple stmt arguments with a stmt_vec_info. (vect_build_slp_tree_1): Remove vinfo argument and update call to vect_record_max_nunits. (vect_build_slp_tree_2): Update calls to vect_build_slp_tree_1 and vect_record_max_nunits. 2018-07-31 Richard Sandiford * tree-vectorizer.h (nested_in_vect_loop_p): Move further down file and take a stmt_vec_info instead of a gimple stmt. (supportable_widening_operation, vect_finish_replace_stmt) (vect_finish_stmt_generation, vect_get_store_rhs) (vect_get_vec_def_for_operand_1, vect_get_vec_def_for_operand) (vect_get_vec_defs, vect_init_vector, vect_transform_stmt) (vect_remove_stores, vect_analyze_stmt, vectorizable_condition) (vect_get_smallest_scalar_type, vect_check_gather_scatter) (vect_create_data_ref_ptr, bump_vector_ptr) (vect_permute_store_chain, vect_setup_realignment) (vect_transform_grouped_load, vect_record_grouped_load_vectors) (vect_create_addr_base_for_vector_ref, vectorizable_live_operation) (vectorizable_reduction, vectorizable_induction) (get_initial_def_for_reduction, is_simple_and_all_uses_invariant) (vect_get_place_in_interleaving_chain): Take stmt_vec_infos rather than gimple stmts as arguments. * tree-vect-data-refs.c (vect_get_smallest_scalar_type) (vect_preserves_scalar_order_p, vect_slp_analyze_node_dependences) (can_group_stmts_p, vect_check_gather_scatter) (vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr) (bump_vector_ptr, vect_permute_store_chain, vect_setup_realignment) (vect_permute_load_chain, vect_shift_permute_load_chain) (vect_transform_grouped_load) (vect_record_grouped_load_vectors): Likewise. * tree-vect-loop.c (vect_fixup_reduc_chain) (get_initial_def_for_reduction, vect_create_epilog_for_reduction) (vectorize_fold_left_reduction, is_nonwrapping_integer_induction) (vectorizable_reduction, vectorizable_induction) (vectorizable_live_operation, vect_loop_kill_debug_uses): Likewise. * tree-vect-patterns.c (type_conversion_p, adjust_bool_stmts) (vect_get_load_store_mask): Likewise. * tree-vect-slp.c (vect_get_place_in_interleaving_chain) (vect_analyze_slp_instance, vect_mask_constant_operand_p): Likewise. * tree-vect-stmts.c (vect_mark_relevant) (is_simple_and_all_uses_invariant) (exist_non_indexing_operands_for_use_p, process_use) (vect_init_vector_1, vect_init_vector, vect_get_vec_def_for_operand_1) (vect_get_vec_def_for_operand, vect_get_vec_defs) (vect_finish_stmt_generation_1, vect_finish_replace_stmt) (vect_finish_stmt_generation, vect_truncate_gather_scatter_offset) (compare_step_with_zero, vect_get_store_rhs, get_group_load_store_type) (get_negative_load_store_type, get_load_store_type) (vect_check_load_store_mask, vect_check_store_rhs) (vect_build_gather_load_calls, vect_get_strided_load_store_ops) (vectorizable_bswap, vectorizable_call, vectorizable_simd_clone_call) (vect_create_vectorized_demotion_stmts, vectorizable_conversion) (vectorizable_assignment, vectorizable_shift, vectorizable_operation) (get_group_alias_ptr_type, vectorizable_store, hoist_defs_of_uses) (vectorizable_load, vectorizable_condition, vectorizable_comparison) (vect_analyze_stmt, vect_transform_stmt, vect_remove_stores) (supportable_widening_operation): Likewise. 2018-07-31 Richard Sandiford * tree-vect-data-refs.c (vect_describe_gather_scatter_call): Take a stmt_vec_info instead of a gcall. (vect_check_gather_scatter): Update call accordingly. * tree-vect-loop-manip.c (iv_phi_p): Take a stmt_vec_info instead of a gphi. (vect_can_advance_ivs_p, vect_update_ivs_after_vectorizer) (slpeel_update_phi_nodes_for_loops):): Update calls accordingly. * tree-vect-loop.c (vect_transform_loop_stmt): Take a stmt_vec_info instead of a gimple stmt. (vect_transform_loop): Update calls accordingly. * tree-vect-slp.c (vect_split_slp_store_group): Take and return stmt_vec_infos instead of gimple stmts. (vect_analyze_slp_instance): Update use accordingly. * tree-vect-stmts.c (read_vector_array, write_vector_array) (vect_clobber_variable, vect_stmt_relevant_p, permute_vec_elements) (vect_use_strided_gather_scatters_p, vect_build_all_ones_mask) (vect_build_zero_merge_argument, vect_get_gather_scatter_ops) (vect_gen_widened_results_half, vect_get_loop_based_defs) (vect_create_vectorized_promotion_stmts, can_vectorize_live_stmts): Take a stmt_vec_info instead of a gimple stmt and pass stmt_vec_infos down to subroutines. 2018-07-31 Richard Sandiford * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Change the type of the worklist from a vector of gimple stmts to a vector of stmt_vec_infos. * tree-vect-stmts.c (vect_mark_relevant, process_use) (vect_mark_stmts_to_be_vectorized): Likewise 2018-07-31 Richard Sandiford * tree-vect-loop.c (vect_analyze_loop_operations): Look up the statement before passing it to vect_analyze_stmt. (vect_create_epilog_for_reduction): Use a stmt_vec_info to walk the chain of phi vector definitions. Track the exit phi via its stmt_vec_info. (vectorizable_reduction): Set cond_stmt_vinfo directly from the STMT_VINFO_REDUC_DEF. * tree-vect-slp.c (vect_get_place_in_interleaving_chain): Use stmt_vec_infos to handle the statement chains. (vect_get_slp_defs): Record the first statement in the node using a stmt_vec_info. * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Look up statements here and pass their stmt_vec_info down to subroutines. (vect_init_vector_1): Hoist call to vinfo_for_stmt and pass it down to vect_finish_stmt_generation. (vect_init_vector, vect_get_vec_defs, vect_finish_replace_stmt) (vect_finish_stmt_generation): Call vinfo_for_stmt and pass stmt_vec_infos to subroutines. (vect_remove_stores): Use stmt_vec_infos to handle the statement chains. 2018-07-31 Richard Sandiford * tree-vect-data-refs.c (vect_slp_analyze_node_dependences): (vect_check_gather_scatter, vect_create_data_ref_ptr, bump_vector_ptr) (vect_permute_store_chain, vect_setup_realignment) (vect_permute_load_chain, vect_shift_permute_load_chain) (vect_transform_grouped_load): Use stmt_vec_info rather than gimple stmts internally, and when passing values to other vectorizer routines. * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Likewise. * tree-vect-loop.c (vect_analyze_scalar_cycles_1) (vect_analyze_loop_operations, get_initial_def_for_reduction) (vect_create_epilog_for_reduction, vectorize_fold_left_reduction) (vectorizable_reduction, vectorizable_induction) (vectorizable_live_operation, vect_transform_loop_stmt) (vect_transform_loop): Likewise. * tree-vect-patterns.c (vect_reassociating_reduction_p) (vect_recog_widen_op_pattern, vect_recog_mixed_size_cond_pattern) (vect_recog_bool_pattern, vect_recog_gather_scatter_pattern): Likewise. * tree-vect-slp.c (vect_analyze_slp_instance): Likewise. (vect_slp_analyze_node_operations_1): Likewise. * tree-vect-stmts.c (vect_mark_relevant, process_use) (exist_non_indexing_operands_for_use_p, vect_init_vector_1) (vect_mark_stmts_to_be_vectorized, vect_get_vec_def_for_operand) (vect_finish_stmt_generation_1, get_group_load_store_type) (get_load_store_type, vect_build_gather_load_calls) (vectorizable_bswap, vectorizable_call, vectorizable_simd_clone_call) (vect_create_vectorized_demotion_stmts, vectorizable_conversion) (vectorizable_assignment, vectorizable_shift, vectorizable_operation) (vectorizable_store, vectorizable_load, vectorizable_condition) (vectorizable_comparison, vect_analyze_stmt, vect_transform_stmt) (supportable_widening_operation): Likewise. (vect_get_vector_types_for_stmt): Likewise. * tree-vectorizer.h (vect_dr_behavior): Likewise. 2018-07-31 Richard Sandiford * tree-vect-data-refs.c (vect_analyze_data_ref_dependence) (vect_slp_analyze_node_dependences, vect_analyze_data_ref_accesses) (vect_permute_store_chain, vect_permute_load_chain) (vect_shift_permute_load_chain, vect_transform_grouped_load): Avoid repeated stmt_vec_info lookups. * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Likewise. (vect_update_ivs_after_vectorizer): Likewise. * tree-vect-loop.c (vect_is_simple_reduction): Likewise. (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise. * tree-vect-patterns.c (adjust_bool_stmts): Likewise. * tree-vect-slp.c (vect_analyze_slp_instance): Likewise. (vect_bb_slp_scalar_cost): Likewise. * tree-vect-stmts.c (get_group_alias_ptr_type): Likewise. 2018-07-31 Richard Sandiford * tree-vect-data-refs.c (vect_check_gather_scatter): Pass the gcall rather than the generic gimple stmt to gimple_call_internal_fn. (vect_get_smallest_scalar_type, can_group_stmts_p): Use dyn_cast to get gassigns and gcalls, rather than operating on generc gimple stmts. * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p) (vect_mark_stmts_to_be_vectorized, vectorizable_store) (vectorizable_load, vect_analyze_stmt): Likewise. * tree-vect-loop.c (vectorizable_reduction): Likewise gphi. 2018-07-31 Richard Sandiford * tree-vectorizer.h (get_earlier_stmt, get_later_stmt): Take and return stmt_vec_infos rather than gimple stmts. Do not accept null arguments. (vect_find_last_scalar_stmt_in_slp): Return a stmt_vec_info instead of a gimple stmt. * tree-vect-slp.c (vect_find_last_scalar_stmt_in_slp): Likewise. Update use of get_later_stmt. (vect_get_constant_vectors): Update call accordingly. (vect_schedule_slp_instance): Likewise * tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Likewise. (vect_slp_analyze_instance_dependence): Likewise. (vect_preserves_scalar_order_p): Update use of get_earlier_stmt. 2018-07-31 Richard Sandiford * tree-vectorizer.h (stmt_info_for_cost::stmt): Replace with... (stmt_info_for_cost::stmt_info): ...this new field. (add_stmt_costs): Update accordingly. * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost) (vect_get_known_peeling_cost): Likewise. (vect_estimate_min_profitable_iters): Likewise. * tree-vect-stmts.c (record_stmt_cost): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_loop_vec_info::may_misalign_stmts): Change from an auto_vec to an auto_vec. * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Update accordingly. * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_stmt_vec_info::same_dr_stmt): Change from a gimple stmt to a stmt_vec_info. * tree-vect-stmts.c (vectorizable_load): Update accordingly. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::grouped_stores): Change from an auto_vec to an auto_vec. (_loop_vec_info::reduction_chains): Likewise. * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Update accordingly. * tree-vect-slp.c (vect_analyze_slp): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_stmt_vec_info::first_element): Change from a gimple stmt to a stmt_vec_info. (_stmt_vec_info::next_element): Likewise. * tree-vect-data-refs.c (vect_update_misalignment_for_peel) (vect_slp_analyze_and_verify_node_alignment) (vect_analyze_group_access_1, vect_analyze_group_access) (vect_small_gap_p, vect_prune_runtime_alias_test_list) (vect_create_data_ref_ptr, vect_record_grouped_load_vectors) (vect_supportable_dr_alignment): Update accordingly. * tree-vect-loop.c (vect_fixup_reduc_chain): Likewise. (vect_fixup_scalar_cycles_with_patterns, vect_is_slp_reduction) (vect_is_simple_reduction, vectorizable_reduction): Likewise. * tree-vect-patterns.c (vect_reassociating_reduction_p): Likewise. * tree-vect-slp.c (vect_build_slp_tree_1) (vect_attempt_slp_rearrange_stmts, vect_supported_load_permutation_p) (vect_split_slp_store_group, vect_analyze_slp_instance) (vect_analyze_slp, vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (vect_model_store_cost, vect_model_load_cost) (get_group_load_store_type, get_load_store_type) (get_group_alias_ptr_type, vectorizable_store, vectorizable_load) (vect_transform_stmt, vect_remove_stores): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vect_dr_stmt): Return a stmt_vec_info rather than a gimple stmt. * tree-vect-data-refs.c (vect_analyze_data_ref_dependence) (vect_slp_analyze_data_ref_dependence, vect_record_base_alignments) (vect_calculate_target_alignmentm, vect_compute_data_ref_alignment) (vect_update_misalignment_for_peel, vect_verify_datarefs_alignment) (vector_alignment_reachable_p, vect_get_data_access_cost) (vect_get_peeling_costs_all_drs, vect_peeling_hash_get_lowest_cost) (vect_peeling_supportable, vect_enhance_data_refs_alignment) (vect_find_same_alignment_drs, vect_analyze_data_refs_alignment) (vect_analyze_group_access_1, vect_analyze_group_access) (vect_analyze_data_ref_access, vect_analyze_data_ref_accesses) (vect_vfa_access_size, vect_small_gap_p, vect_analyze_data_refs) (vect_supportable_dr_alignment): Remove vinfo_for_stmt from the result of vect_dr_stmt and use the stmt_vec_info instead of the associated gimple stmt. * tree-vect-loop-manip.c (get_misalign_in_elems): Likewise. (vect_gen_prolog_loop_niters): Likewise. * tree-vect-loop.c (vect_analyze_loop_2): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_slp_tree::stmts): Change from a vec to a vec. * tree-vect-slp.c (vect_free_slp_tree): Update accordingly. (vect_create_new_slp_node): Take a vec instead of a vec. (_slp_oprnd_info::def_stmts): Change from a vec to a vec. (bst_traits::value_type, bst_traits::value_type): Likewise. (bst_traits::hash): Update accordingly. (vect_get_and_check_slp_defs): Change the stmts parameter from a vec to a vec. (vect_two_operations_perm_ok_p, vect_build_slp_tree_1): Likewise. (vect_build_slp_tree): Likewise. (vect_build_slp_tree_2): Likewise. Update uses of SLP_TREE_SCALAR_STMTS. (vect_print_slp_tree): Update uses of SLP_TREE_SCALAR_STMTS. (vect_mark_slp_stmts, vect_mark_slp_stmts_relevant) (vect_slp_rearrange_stmts, vect_attempt_slp_rearrange_stmts) (vect_supported_load_permutation_p, vect_find_last_scalar_stmt_in_slp) (vect_detect_hybrid_slp_stmts, vect_slp_analyze_node_operations_1) (vect_slp_analyze_node_operations, vect_slp_analyze_operations) (vect_bb_slp_scalar_cost, vect_slp_analyze_bb_1) (vect_get_constant_vectors, vect_get_slp_defs) (vect_transform_slp_perm_load, vect_schedule_slp_instance) (vect_remove_slp_scalar_calls, vect_schedule_slp): Likewise. (vect_analyze_slp_instance): Build up a vec of stmt_vec_infos instead of gimple stmts. * tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Change the stores parameter for a vec to a vec. (vect_slp_analyze_instance_dependence): Update uses of SLP_TREE_SCALAR_STMTS. (vect_slp_analyze_and_verify_node_alignment): Likewise. (vect_slp_analyze_and_verify_instance_alignment): Likewise. * tree-vect-loop.c (neutral_op_for_slp_reduction): Likewise. (get_initial_defs_for_reduction): Likewise. (vect_create_epilog_for_reduction): Likewise. (vectorize_fold_left_reduction): Likewise. * tree-vect-stmts.c (vect_prologue_cost_for_slp_op): Likewise. (vect_model_simple_cost, vectorizable_shift, vectorizable_load) (can_vectorize_live_stmts): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_loop_vec_info::reductions): Change from an auto_vec to an auto_vec. (vect_force_simple_reduction): Take and return stmt_vec_infos rather than gimple stmts. * tree-parloops.c (valid_reduction_p): Take a stmt_vec_info instead of a gimple stmt. (gather_scalar_reductions): Update after above interface changes. * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise. (vect_is_simple_reduction): Take and return stmt_vec_infos rather than gimple stmts. (vect_force_simple_reduction): Likewise. * tree-vect-patterns.c (vect_pattern_recog_1): Update use of LOOP_VINFO_REDUCTIONS. * tree-vect-slp.c (vect_analyze_slp_instance): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_stmt_vec_info::reduc_def): Change from a gimple stmt to a stmt_vec_info. * tree-vect-loop.c (vect_active_double_reduction_p) (vect_force_simple_reduction, vectorizable_reduction): Update accordingly. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_slp_tree::vec_stmts): Change from a vec to a vec. * tree-vect-loop.c (vect_create_epilog_for_reduction): Change the reduction_phis argument from a vec to a vec. (vectorizable_reduction): Likewise the phis local variable that is passed to vect_create_epilog_for_reduction. Update for new type of SLP_TREE_VEC_STMTS. (vectorizable_induction): Update for new type of SLP_TREE_VEC_STMTS. (vectorizable_live_operation): Likewise. * tree-vect-slp.c (vect_get_slp_vect_defs): Likewise. (vect_transform_slp_perm_load, vect_schedule_slp_instance): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_stmt_vec_info::vectorized_stmt): Change from a gimple stmt to a stmt_vec_info. (vectorizable_condition, vectorizable_live_operation) (vectorizable_reduction, vectorizable_induction): Pass back the vectorized statement as a stmt_vec_info. * tree-vect-data-refs.c (vect_record_grouped_load_vectors): Update use of STMT_VINFO_VEC_STMT. * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise, accumulating the inner phis that feed the STMT_VINFO_VEC_STMT as stmt_vec_infos rather than gimple stmts. (vectorize_fold_left_reduction): Change vec_stmt from a gimple stmt to a stmt_vec_info. (vectorizable_live_operation): Likewise. (vectorizable_reduction, vectorizable_induction): Likewise, updating use of STMT_VINFO_VEC_STMT. * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Update use of STMT_VINFO_VEC_STMT. (vect_build_gather_load_calls, vectorizable_bswap, vectorizable_call) (vectorizable_simd_clone_call, vectorizable_conversion) (vectorizable_assignment, vectorizable_shift, vectorizable_operation) (vectorizable_store, vectorizable_load, vectorizable_condition) (vectorizable_comparison, can_vectorize_live_stmts): Change vec_stmt from a gimple stmt to a stmt_vec_info. (vect_transform_stmt): Update use of STMT_VINFO_VEC_STMT. Pass a pointer to a stmt_vec_info to the vectorizable_* routines. 2018-07-31 Richard Sandiford * tree-vectorizer.h (_stmt_vec_info::related_stmt): Change from a gimple stmt to a stmt_vec_info. (is_pattern_stmt_p): Update accordingly. * tree-vect-data-refs.c (vect_preserves_scalar_order_p): Likewise. (vect_record_grouped_load_vectors): Likewise. * tree-vect-loop.c (vect_determine_vf_for_stmt): Likewise. (vect_fixup_reduc_chain, vect_update_vf_for_slp): Likewise. (vect_model_reduction_cost): Likewise. (vect_create_epilog_for_reduction): Likewise. (vectorizable_reduction, vectorizable_induction): Likewise. * tree-vect-patterns.c (vect_init_pattern_stmt): Likewise. Return the stmt_vec_info for the pattern statement. (vect_set_pattern_stmt): Update use of STMT_VINFO_RELATED_STMT. (vect_split_statement, vect_mark_pattern_stmts): Likewise. * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise. (vect_detect_hybrid_slp, vect_get_slp_defs): Likewise. * tree-vect-stmts.c (vect_mark_relevant): Likewise. (vect_get_vec_def_for_operand_1, vectorizable_call): Likewise. (vectorizable_simd_clone_call, vect_analyze_stmt, new_stmt_vec_info) (free_stmt_vec_info, vect_is_simple_use): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vect_finish_replace_stmt): Return a stmt_vec_info (vect_finish_stmt_generation): Likewise. * tree-vect-stmts.c (vect_finish_stmt_generation_1): Likewise. (vect_finish_replace_stmt, vect_finish_stmt_generation): Likewise. (vect_build_gather_load_calls): Use the return value of the above functions instead of a separate call to vinfo_for_stmt. Use narrow scopes for the input gimple stmt and wider scopes for the associated stmt_vec_info. Use vec_info::lookup_def when setting these stmt_vec_infos from an SSA_NAME definition. (vectorizable_bswap, vectorizable_call, vectorizable_simd_clone_call) (vect_create_vectorized_demotion_stmts, vectorizable_conversion) (vectorizable_assignment, vectorizable_shift, vectorizable_operation) (vectorizable_store, vectorizable_load, vectorizable_condition) (vectorizable_comparison): Likewise. * tree-vect-loop.c (vectorize_fold_left_reduction): Likewise. (vectorizable_reduction): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vect_is_simple_use): Add an optional stmt_vec_info * parameter before the optional gimple **. * tree-vect-stmts.c (vect_is_simple_use): Likewise. (process_use, vect_get_vec_def_for_operand_1): Update callers. (vect_get_vec_def_for_operand, vectorizable_shift): Likewise. * tree-vect-loop.c (vectorizable_reduction): Likewise. (vectorizable_live_operation): Likewise. * tree-vect-patterns.c (type_conversion_p): Likewise. (vect_look_through_possible_promotion): Likewise. (vect_recog_rotate_pattern): Likewise. * tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (stmt_vec_info): Temporarily change from a typedef to a wrapper class. (NULL_STMT_VEC_INFO): New macro. (vec_info::stmt_infos): Change to vec. (stmt_vec_info::operator*): New function. (stmt_vec_info::operator gimple *): Likewise. (set_vinfo_for_stmt): Use NULL_STMT_VEC_INFO. (add_stmt_costs): Likewise. * tree-vect-loop-manip.c (iv_phi_p): Likewise. * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost) (vect_get_known_peeling_cost): Likewise. (vect_estimate_min_profitable_iters): Likewise. * tree-vect-patterns.c (vect_init_pattern_stmt): Likewise. * tree-vect-slp.c (vect_remove_slp_scalar_calls): Likewise. * tree-vect-stmts.c (vect_build_gather_load_calls): Likewise. (vectorizable_store, free_stmt_vec_infos): Likewise. (new_stmt_vec_info): Change return type of xcalloc to _stmt_vec_info *. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::lookup_single_use): Declare. * tree-vectorizer.c (vec_info::lookup_single_use): New function. * tree-vect-loop.c (vectorizable_reduction): Use it instead of a single_imm_use-based sequence. * tree-vect-stmts.c (supportable_widening_operation): Likewise. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::lookup_def): Declare. * tree-vectorizer.c (vec_info::lookup_def): New function. * tree-vect-patterns.c (vect_get_internal_def): Use it. (vect_widened_op_tree): Likewise. * tree-vect-stmts.c (vect_is_simple_use): Likewise. * tree-vect-loop.c (vect_analyze_loop_operations): Likewise. (vectorizable_reduction): Likewise. (vect_valid_reduction_input_p): Take a stmt_vec_info instead of a gimple *. (vect_is_slp_reduction): Update calls accordingly. Use vec_info::lookup_def. (vect_is_simple_reduction): Likewise * tree-vect-slp.c (vect_detect_hybrid_slp_1): Use vec_info::lookup_def. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vec_info::lookup_stmt): Declare. * tree-vectorizer.c (vec_info::lookup_stmt): New function. * tree-vect-loop.c (vect_determine_vf_for_stmt): Use it instead of vinfo_for_stmt. (vect_determine_vectorization_factor, vect_analyze_scalar_cycles_1) (vect_compute_single_scalar_iteration_cost, vect_analyze_loop_form) (vect_update_vf_for_slp, vect_analyze_loop_operations) (vect_is_slp_reduction, vectorizable_induction) (vect_transform_loop_stmt, vect_transform_loop): Likewise. * tree-vect-patterns.c (vect_init_pattern_stmt): (vect_determine_min_output_precision_1, vect_determine_precisions) (vect_pattern_recog): Likewise. * tree-vect-stmts.c (vect_analyze_stmt, vect_transform_stmt): Likewise. * config/powerpcspe/powerpcspe.c (rs6000_density_test): Likewise. * config/rs6000/rs6000.c (rs6000_density_test): Likewise. * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise. (vect_detect_hybrid_slp_1, vect_detect_hybrid_slp_2) (vect_detect_hybrid_slp): Likewise. Change the walk_stmt_info info field from a loop to a loop_vec_info. 2018-07-31 Richard Sandiford * tree-vectorizer.h (stmt_vec_info): Move typedef earlier in file. (vec_info::add_stmt): Declare. * tree-vectorizer.c (vec_info::add_stmt): New function. * tree-vect-data-refs.c (vect_create_data_ref_ptr): Use it. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise. (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise. (vectorizable_induction): Likewise. * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise. * tree-vect-stmts.c (vect_finish_stmt_generation_1): Likewise. (vectorizable_simd_clone_call, vectorizable_store): Likewise. (vectorizable_load): Likewise. * tree-vect-patterns.c (vect_init_pattern_stmt): Likewise. (vect_recog_bool_pattern, vect_recog_mask_conversion_pattern) (vect_recog_gather_scatter_pattern): Likewise. (append_pattern_def_seq): Likewise. Remove a check that is performed by add_stmt itself. 2018-07-31 Richard Sandiford * tree-vect-loop.c (vectorizable_reduction): Fix an instance in which make_ssa_name was called with new_stmt before new_stmt had been created. 2018-07-31 Richard Sandiford * tree-vect-loop.c (vect_valid_reduction_input_p): New function, split out from... (vect_is_slp_reduction): ...here... (vect_is_simple_reduction): ...and here. Remove repetition of tests that are already known to be false. 2018-07-31 Richard Sandiford * tree-vectorizer.h (vect_free_slp_instance): Add a final_p parameter. * tree-vect-slp.c (vect_free_slp_tree): Likewise. Don't update STMT_VINFO_NUM_SLP_USES when it's true. (vect_free_slp_instance): Add a final_p parameter and pass it to vect_free_slp_tree. (vect_build_slp_tree_2): Update call to vect_free_slp_instance. (vect_analyze_slp_instance): Likewise. (vect_slp_analyze_operations): Likewise. (vect_slp_analyze_bb_1): Likewise. * tree-vectorizer.c (vec_info): Likewise. * tree-vect-loop.c (vect_transform_loop): Likewise. 2018-07-31 Richard Sandiford * tree-vect-loop.c (vectorizable_reduction): Assert that the function is not called for second and subsequent members of a reduction group. 2018-07-31 Richard Sandiford * tree-vect-loop.c (get_initial_def_for_reduction): Move special cases for nested loops from here to ... (vect_create_epilog_for_reduction): ...here. Only call vect_is_simple_use for inner-loop reductions. 2018-07-31 Martin Liska PR gcov-profile/85338 PR gcov-profile/85350 PR gcov-profile/85372 * profile.c (struct location_triplet): New. (struct location_triplet_hash): Likewise. (output_location): Do not output a BB that is already recorded for a line. (branch_prob): Use streamed_locations. 2018-07-31 Martin Liska PR gcov-profile/85370 * coverage.c (coverage_begin_function): Do not mark target clones as artificial functions. 2018-07-31 Martin Liska PR gcov-profile/83813 PR gcov-profile/84758 PR gcov-profile/85217 PR gcov-profile/85332 * profile.c (branch_prob): Do not record GOTO expressions for GIMPLE statements which locations are already streamed. 2018-07-31 Olivier Hainque * gcc.c (handle_spec_function): Accept a soft_matched_part argument, as do_spec_1. Pass it down to ... (eval_spec_function): Accept a soft_matched_part argument, and pass it down to ... (do_spec_2): Accept a soft_matched_part argument, and pass it down to do_spec_1. (do_spec_1): Pass soft_matched_part to handle_spec_function. (handle_braces): Update call to handle_spec_function. (driver::set_up_specs): Update calls to do_spec_2. (compare_debug_dump_opt_spec_function): Likewise. (compare_debug_self_opt_spec_function): Likewise. 2018-07-31 Olivier Hainque * common.opt (nolibc): New option. * doc/invoke.texi (Link Options): Document it. * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): Honor nolibc. * config/alpha/linux.h: Likewise. * config/arc/elf.h: Likewise. * config/arm/uclinux-elf.h: Likewise. * config/arm/unknown-elf.h: Likewise. * config/avr/avrlibc.h: Likewise. * config/bfin/bfin.h: Likewise. * config/bfin/linux.h: Likewise. * config/bfin/uclinux.h: Likewise. * config/darwin.h: Likewise. * config/darwin10.h: Likewise. * config/darwin12.h: Likewise. * config/gnu-user.h: Likewise. * config/lm32/uclinux-elf.h: Likewise. * config/pa/pa-hpux11.h: Likewise. * config/pa/pa64-hpux.h: Likewise. * config/sparc/sparc.h: Likewise. 2018-07-31 Olivier Hainque * gcc.c (getenv_spec_function): Prepend '/' to value for allowed undefined variables. 2018-07-30 Segher Boessenkool PR target/86640 * config/arm/arm.c (arm_block_set_aligned_vect): Use gen_int_mode instead of GEN_INT. 2018-07-30 Bernd Edlinger * tree-ssa-forwprop.c (simplify_builtin_call): Don't create a not NUL terminated string literal. 2018-07-30 Segher Boessenkool PR rtl-optimization/85160 * combine.c (is_just_move): New function. (try_combine): Allow combining two instructions into two if neither of the original instructions was a move. 2018-07-30 Alexander Monakov PR target/86673 * doc/extend.texi (Global Register Variables): Discourage use of type qualifiers. (Local Register Variables): Likewise. 2018-07-30 Richard Sandiford PR tree-optimization/86506 * hwint.h (ceil_log2): Resync with hwint.c implementation. 2018-07-30 Ilya Leoshkevich PR target/86547 * lra-constraints.c (spill_hard_reg_in_range): When selecting the hard_regno, make sure no insn between `from` and `to` clobbers it. 2018-07-30 Cesar Philippidis Tom de Vries * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): Rename to ... (PTX_DEFAULT_RUNTIME_DIM): ... this. (nvptx_goacc_validate_dims): Set default worker and gang dims to PTX_DEFAULT_RUNTIME_DIM. (nvptx_dim_limit): Ignore GOMP_DIM_WORKER. 2018-07-29 John David Anglin * config/pa/pa.c (pa_output_addr_vec): Align address table. * config/pa/pa.h (JUMP_TABLES_IN_TEXT_SECTION): Revise comment. * config/pa/pa32-linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define. 2018-07-27 Michael Meissner * config/rs6000/constraints.md (wG constraint): Delete, no longer used. * config/rs6000/predicates.md (p9_fusion_reg_operand): Rename predicate to reflect toc fusion has been deleted. (toc_fusion_mem_raw): Delete, no longer used. (toc_fusion_mem_wrapped): Likewise. * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete toc fusion mask bit. * config/rs6000/rs6000-protos.h (fusion_wrap_memory_address): Delete, no longer used. * config/rs6000/rs6000.c (struct rs6000_reg_addr): Delete fields meant to be used for toc fusion. (rs6000_debug_print_mode): Delete toc fusion debugging. (rs6000_debug_reg_global): Likewise. (rs6000_init_hard_regno_mode_ok): Delete setting up fields for toc fusion and secondary reload support that were never used. (rs6000_option_override_internal): Delete TOC fusion, that was only partially defined, and it did not work unless you also used the -mcmodel= switch. (rs6000_legitimate_address_p): Delete TOC fusion support. (rs6000_opt_masks): Likewise. (fusion_wrap_memory_address): Delete function, no longer used. (fusion_split_address); Delete TOC fusion support. * config/rs6000/rs6000.h (TARGET_TOC_FUSION_INT): Delete, no longer used with toc fusion being deleted. (TARGET_TOC_FUSION_FP): Likewise. * config/rs6000/rs6000.md (UNSPEC_FUSION_ADDIS): Delete TOC fusion UNSPEC. (toc fusion spliter): Delete TOC fusion support. (toc_fusionload_): Likewise. (toc_fusionload_di): Likewise. (fusion_gpr_load_): Delete generator function, this insn no longer needs to be named. Rename predicate to delete TOC fusion. (fusion_gpr___load): Likewise. (fusion_gpr___store): Likewise. (fusion_vsx___load): Likewise. (fusion_vsx___store): Likewise. (p9 fusion peephole2s): Rename predicate to delete TOC fusion. 2018-07-27 Kelvin Nilsen * doc/extend.texi (Basic PowerPC Built-in Functions Available on ISA 2.05): Replace __uint128_t with __uint128 and __int128_t with __int128 in built-in function prototypes. (PowerPC AltiVec Built-in Functions on ISA 2.07): Likewise. (PowerPC AltiVec Built-in Functions on ISA 3.0): Likewise. 2018-07-27 Martin Sebor PR tree-optimization/86696 * tree-ssa-strlen.c (get_min_string_length): Handle all integer types, including enums. (handle_char_store): Be prepared for the above function to fail. 2018-07-26 Qing Zhao * builtins.c (inline_expand_builtin_string_cmp): Disable inlining when optimization level is lower than 2 or optimize for size. 2018-07-26 Martin Sebor PR tree-optimization/86043 PR tree-optimization/86042 * tree-ssa-strlen.c (handle_builtin_memcpy): Handle strict overlaps. (get_string_cst_length): Rename... (get_min_string_length): ...to this. Add argument. (handle_char_store): Extend to handle multi-character stores by MEM_REF. * tree.c (initializer_zerop): Use new argument. Handle MEM_REF. * tree.h (initializer_zerop): Add argument. 2018-07-26 Jakub Jelinek PR middle-end/86660 * omp-low.c (scan_sharing_clauses): Don't ignore map clauses for declare target to variables if they have always,{to,from,tofrom} map kinds. 2018-07-26 Martin Liska PR lto/86548 * lto-wrapper.c: Add linker_output as prefix for ltrans_output_file. 2018-07-26 Segher Boessenkool PR rtl-optimization/85805 * combine.c (reg_nonzero_bits_for_combine): Only use the last set value for hard registers if that was written in the same mode. 2018-07-26 Martin Liska PR gcov-profile/86536 * gcov.c (format_gcov): Use printf format %.*f directly and do not handle special values. 2018-07-25 Claudiu Zissulescu * common/config/arc/arc-common.c (arc_option_optimization_table): Update default optimizations for size. 2018-07-25 Claudiu Zissulescu * config/arc/arc.md (movsf_insn): Add short instruction selection. * config/arc/constraints.md (CfZ): New constraint. * config/arc/fpu.md (addssf3_fpu): Use CfZ constraint. (subsf3_fpu): Likewise. (cmpsf_fpu): Likewise. (cmpsf_fpu_uneq): Likewise. 2018-07-25 Claudiu Zissulescu * config/arc/arc.c (compact_memory_operand_p): Check for uncached accesses as well. (arc_is_uncached_mem_p): uncached applies to both the variable and the pointer. 2018-07-25 Claudiu Zissulescu * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add additional register names. 2018-07-25 David Malcolm * optinfo-emit-json.cc (class optrecord_json_writer): Convert field "m_scopes" from vec to auto_vec. 2018-07-25 Martin Liska * config/powerpcspe/powerpcspe-protos.h (rs6000_loop_align): Fix return type. 2018-07-25 Richard Biener PR debug/86654 * dwarf2out.c (dwarf2out_decl): Do not handle nested functions special wrt context_die late. (gen_subprogram_die): Re-use DIEs in local scope. 2018-07-25 Richard Sandiford PR tree-optimization/86644 * hwint.c (ceil_log2): Fix comment. Return 0 for 0. 2018-07-25 Martin Liska PR middle-end/86645 * dumpfile.c: And excluded values with TDF_ALL_VALUES. * dumpfile.h (enum dump_flag): Defince TDF_ALL_VALUES. 2018-07-25 Martin Liska PR sanitizer/79635 * params.def: Explain ASan abbreviation and provide a documentation link. 2018-07-24 Martin Sebor PR tree-optimization/86622 PR tree-optimization/86532 * builtins.h (string_length): Declare. * builtins.c (c_strlen): Correct handling of non-constant offsets. (check_access): Be prepared for non-constant length ranges. (string_length): Make extern. * expr.c (string_constant): Only handle the minor non-constant array index. Use string_constant to compute the length of a generic string constant. 2018-07-24 Richard Sandiford PR tree-optimization/86618 * tree-vect-stmts.c (vectorizable_call): Don't take the address of LOOP_VINFO_MASKS (loop_vinfo) when loop_vinfo is null. 2018-07-24 David Malcolm PR tree-optimization/86636 * json.cc (json::object::set): Fix comment. Add assertions. (json::array::append): Move here from json.h. Add comment and an assertion. (json::string::string): Likewise. * json.h (json::array::append): Move to json.cc. (json::string::string): Likewise. * optinfo-emit-json.cc (optrecord_json_writer::impl_location_to_json): Assert that we aren't attempting to write out UNKNOWN_LOCATION, or an ad-hoc wrapper around it. Expand the location once, rather than three times. (optrecord_json_writer::inlining_chain_to_json): Fix the check for UNKNOWN_LOCATION, to use LOCATION_LOCUS to look through ad-hoc wrappers. (optrecord_json_writer::optinfo_to_json): Likewise, in four places. Fix some overlong lines. 2018-07-24 Matthew Malcomson * config/aarch64/aarch64-simd.md (aarch64_w): Split into... (aarch64_subw): ... This... (aarch64_addw): ... And this. (aarch64_w_internal): Split into... (aarch64_subw_internal): ... This... (aarch64_addw_internal): ... And this. (aarch64_w2_internal): Split into... (aarch64_subw2_internal): ... This... (aarch64_addw2_internal): ... And this. 2018-07-24 Jakub Jelinek PR middle-end/86627 * expmed.c (expand_divmod): Punt if d == HOST_WIDE_INT_MIN and size > HOST_BITS_PER_WIDE_INT. For size > HOST_BITS_PER_WIDE_INT and abs_d == d, do the power of two handling if profitable. 2018-07-24 Richard Biener * match.pd: Add BIT_FIELD_REF canonicalizations. 2018-07-23 Bernd Edlinger PR c/86617 * genmatch.c (dt_operand::gen_match_op): Avoid folding volatile values. 2018-07-23 Bernd Edlinger * gimple-fold.c (gimple_fold_builtin_printf): Don't create a not NUL terminated STRING_CST object. 2018-07-23 Bernd Edlinger hsa-dump.c (dump_hsa_symbol): Avoid out of scope access to buf. 2018-07-23 Segher Boessenkool * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Adjust. * config/rs6000/rs6000-protos.h (rs6000_split_v4si_init): Delete. * config/rs6000/rs6000.c (rs6000_expand_vector_init): Always force the elements into a register. (rs6000_split_v4si_init_di_reg): Delete. (rs6000_split_v4si_init): Delete. * config/rs6000/vsx.md (unspec): Delete UNSPEC_VSX_VEC_INIT. (vsx_init_v4si): Rewrite as a define_expand. 2018-07-23 Segher Boessenkool * config/rs6000/rs6000.md (splitters for rldimi and rlwimi with the zero_extend argument from memory): New. 2018-07-22 Martin Sebor PR bootstrap/86621 * gimple-ssa-warn-alloca.c (alloca_call_type_by_arg): Avoid diagnosing calls with unknown arguments unless -Walloca-larger-than is restricted to less than PTRDIFF_MAX bytes. 2018-07-22 Gerald Pfeifer * doc/gcov.texi (Invoking Gcov): Editorial changes. 2018-07-20 David Malcolm * pretty-print.c (text_info::set_location): Remove redundant "line_table" parameter from call to rich_location::set_range. 2018-07-20 Martin Sebor PR middle-end/82063 * builtins.c (expand_builtin_alloca): Adjust. * calls.c (alloc_max_size): Simplify. * cgraphunit.c (cgraph_node::expand): Adjust. * common.opt (larger_than_size, warn_frame_larger_than): Remove variables. (frame_larger_than_size): Same. (-Wframe-larger-than, -Wlarger-than, -Wstack-usage): Change options to take a HOST_WIDE_INT argument and accept a byte-size suffix. Initialize. * doc/invoke.texi (GCC Command Options): Document option arguments. Explain byte-size arguments and suffixes. (-Wvla-larger-than, -Wno-alloc-size-larger-than): Update. (-Wno-alloca-larger-than, -Wno-vla-larger-than): Same. (-Wframe-larger-than, -Wlarger-than, -Wstack-usage): Same. * doc/options.texi (UInteger): Expand. (Host_Wide_Int, ByteSize): Document new properties. * final.c (final_start_function_1): Include sizes in an error message. * function.c (frame_offset_overflow): Same. * gimple-ssa-warn-alloca.c (pass_walloca::gate): Adjust. (alloca_call_type_by_arg): Change function argument to HOST_WIDE_INT. Diagnose unbounded alloca calls only for limits of less than PTRDIFF_MAX. (alloca_call_type): Adjust. Diagnose possibly out-of-bounds alloca calls and VLA size only for limits of less than PTRDIFF_MAX. Same for alloca(0). (pass_walloca::execute): Adjust. Diagnose alloca calls in loops only for limits of less than PTRDIFF_MAX. * langhooks-def.h (lhd_handle_option): Change function argument to HOST_WIDE_INT. * langhooks.c (lhd_handle_option): Same. * langhooks.h (handle_option): Same. * opt-functions.awk (switch_bit_fields): Handle Host_Wide_Int and ByteSize flags. (var_type, var_type_struct): Same. (var_set): Handle ByteSize flag. * optc-gen.awk: Add comments to output to ease debugging. Make use of HOST_WIDE_INT where appropriate. * opts-gen-save.awk: Use %lx to format unsigned long. * opth-gen.awk: Change function argument to HOST_WIDE_INT. * opts-common.c (integral_argument): Return HOST_WIDE_INT and add arguments. Parse bytes-size suffixes. (enum_arg_to_value): Change function argument to HOST_WIDE_INT. (enum_value_to_arg): Same. (decode_cmdline_option): Handle cl_host_wide_int. Adjust. (handle_option): Adjust. (generate_option): Change function argument to HOST_WIDE_INT. (cmdline_handle_error): Adjust. (read_cmdline_option): Change function argument to HOST_WIDE_INT. (set_option): Change function argument to HOST_WIDE_INT. (option_enabled): Handle cl_host_wide_int. (get_option_state): Handle CLVC_SIZE. (control_warning_option): Same. * opts.c (common_handle_option): Change function argument to HOST_WIDE_INT. Remove handling of OPT_Walloca_larger_than_ and OPT_Wvla_larger_than_. * opts.h (enum cl_var_type): Add an enumerator. * stor-layout.c (layout_decl): Print a more meaningful warning. * toplev.c (output_stack_usage): Adjust. 2018-07-20 Qing Zhao * builtins.c (expand_builtin_memcmp): Delete the last parameter for call to inline_expand_builtin_string_cmp. (expand_builtin_strcmp): Likewise. (expand_builtin_strncmp): Likewise. (inline_string_cmp): Delete the last parameter, change char_type_node to unsigned_char_type_node for strcmp/strncmp, add conversions to the two operands. (inline_expand_builtin_string_cmp): Delete the last parameter, give up the inlining expansion on target where the type of the call has same or narrower precision than unsigned char. 2018-07-20 David Malcolm * Makefile.in (OBJS): Add json.o and optinfo-emit-json.o. (CFLAGS-optinfo-emit-json.o): Define TARGET_NAME. * common.opt (fsave-optimization-record): New option. * coretypes.h (struct kv_pair): Move here from dumpfile.c. * doc/invoke.texi (-fsave-optimization-record): New option. * dumpfile.c: Include "optinfo-emit-json.h". (struct kv_pair): Move to coretypes.h. (optgroup_options): Make non-static. (dump_context::end_scope): Call optimization_records_maybe_pop_dump_scope. * dumpfile.h (optgroup_options): New decl. * json.cc: New file. * json.h: New file. * optinfo-emit-json.cc: New file. * optinfo-emit-json.h: New file. * optinfo.cc: Include "optinfo-emit-json.h". (optinfo::emit): Call optimization_records_maybe_record_optinfo. (optinfo_enabled_p): Check optimization_records_enabled_p. (optinfo_wants_inlining_info_p): Likewise. * optinfo.h: Update comment. * profile-count.c (profile_quality_as_string): New function. * profile-count.h (profile_quality_as_string): New decl. (profile_count::quality): New accessor. * selftest-run-tests.c (selftest::run_tests): Call json_cc_tests and optinfo_emit_json_cc_tests. * selftest.h (selftest::json_cc_tests): New decl. (selftest::optinfo_emit_json_cc_tests): New decl. * toplev.c: Include "optinfo-emit-json.h". (compile_file): Call optimization_records_finish. (do_compile): Call optimization_records_start. * tree-ssa-live.c: Include optinfo.h. (remove_unused_scope_block_p): Retain inlining information if optinfo_wants_inlining_info_p returns true. 2018-07-20 Richard Biener PR debug/86585 * dwarf2out.c (dwarf2out_die_ref_for_decl): Test in_lto_p to cover -flto-partition=none. 2018-07-20 Martin Liska * tree.h (DECL_LOCATION_RANGE): Remove unused macro. (get_decl_source_range): Remove unused function. 2018-07-20 Richard Biener * tree-ssa-sccvn.h (struct vn_nary_op_s): Add next member. (struct vn_phi_s): Likewise. (struct vn_reference_s): Likewise. * tree-ssa-sccvn.c (vn_nary_op_hasher::equal): Add shortcut for searching the slot of an entry known to be in the hash itself. (vn_phi_hasher::equal): Likewise. (vn_reference_hasher::equal): Likewise. (last_inserted_ref, last_inserted_phi, last_inserted_nary): New globals. (optimistic_info, current_info): Remove, keeping only valid_info. (vn_reference_lookup_1): Remove fallback lookup. (vn_reference_lookup_2): Likewise. (vn_nary_op_lookup_1): Likewise. (vn_phi_lookup): Likewise. (vn_nary_build_or_lookup_1): Make sure to not chain the built hash element. (vn_reference_insert): Adjust, chain the inserted hash element at last_inserted_ref. (vn_reference_insert_pieces): Likewise. (visit_reference_op_call): Likewise. (vn_nary_op_insert_into): Chain the inserted hash element at last_inserted_nary. (vn_nary_op_insert_pieces): Adjust. (vn_nary_op_insert): Likewise. (vn_nary_op_insert_stmt): Likewise. (vn_phi_insert): Adjust, chain the inserted hash element at last_inserted_phi. (process_scc): Remove clearing and copying the optimistic table. Instead remove elements inserted during an optimistic iteration from the single table we maintain. (init_scc_vn): Adjust. (free_scc_vn): Likewise. (sccvn_dom_walker::record_cond): Likewise. (sccvn_dom_walker::after_dom_children): Likewise. 2018-07-19 Martin Sebor PR tree-optimization/84047 PR tree-optimization/83776 * tree-vrp.c (vrp_prop::check_mem_ref): New function. (check_array_bounds): Call it. 2018-07-19 Martin Sebor * align.h (align_flags): Use member initialization. 2018-07-19 David Malcolm * Makefile.in (OBJS): Add optinfo.o. * coretypes.h (class symtab_node): New forward decl. (struct cgraph_node): New forward decl. (class varpool_node): New forward decl. * dump-context.h: New file. * dumpfile.c: Include "optinfo.h", "dump-context.h", "cgraph.h", "tree-pass.h". (refresh_dumps_are_enabled): Use optinfo_enabled_p. (set_dump_file): Call dumpfile_ensure_any_optinfo_are_flushed. (set_alt_dump_file): Likewise. (dump_context::~dump_context): New dtor. (dump_gimple_stmt): Move implementation to... (dump_context::dump_gimple_stmt): ...this new member function. Add the stmt to any pending optinfo, creating one if need be. (dump_gimple_stmt_loc): Move implementation to... (dump_context::dump_gimple_stmt_loc): ...this new member function. Start a new optinfo and add the stmt to it. (dump_gimple_expr): Move implementation to... (dump_context::dump_gimple_expr): ...this new member function. Add the stmt to any pending optinfo, creating one if need be. (dump_gimple_expr_loc): Move implementation to... (dump_context::dump_gimple_expr_loc): ...this new member function. Start a new optinfo and add the stmt to it. (dump_generic_expr): Move implementation to... (dump_context::dump_generic_expr): ...this new member function. Add the tree to any pending optinfo, creating one if need be. (dump_generic_expr_loc): Move implementation to... (dump_context::dump_generic_expr_loc): ...this new member function. Add the tree to any pending optinfo, creating one if need be. (dump_printf): Move implementation to... (dump_context::dump_printf_va): ...this new member function. Add the text to any pending optinfo, creating one if need be. (dump_printf_loc): Move implementation to... (dump_context::dump_printf_loc_va): ...this new member function. Start a new optinfo and add the stmt to it. (dump_dec): Move implementation to... (dump_context::dump_dec): ...this new member function. Add the value to any pending optinfo, creating one if need be. (dump_context::dump_symtab_node): New member function. (dump_context::get_scope_depth): New member function. (dump_context::begin_scope): New member function. (dump_context::end_scope): New member function. (dump_context::ensure_pending_optinfo): New member function. (dump_context::begin_next_optinfo): New member function. (dump_context::end_any_optinfo): New member function. (dump_context::s_current): New global. (dump_context::s_default): New global. (dump_scope_depth): Delete global. (dumpfile_ensure_any_optinfo_are_flushed): New function. (dump_symtab_node): New function. (get_dump_scope_depth): Reimplement in terms of dump_context. (dump_begin_scope): Likewise. (dump_end_scope): Likewise. (selftest::temp_dump_context::temp_dump_context): New ctor. (selftest::temp_dump_context::~temp_dump_context): New dtor. (selftest::verify_item): New function. (ASSERT_IS_TEXT): New macro. (ASSERT_IS_TREE): New macro. (ASSERT_IS_GIMPLE): New macro. (selftest::test_capture_of_dump_calls): New test. (selftest::dumpfile_c_tests): Call it. * dumpfile.h (dump_printf, dump_printf_loc, dump_basic_block) (dump_generic_expr_loc, dump_generic_expr, dump_gimple_stmt_loc) (dump_gimple_stmt, dump_dec): Gather these related decls and add a descriptive comment. (dump_function, print_combine_total_stats, enable_rtl_dump_file) (dump_node, dump_bb): Move these unrelated decls. (class dump_manager): Add leading comment. * optinfo.cc: New file. * optinfo.h: New file. 2018-07-19 Michael Collison Richard Henderson * config/aarch64/aarch64.md (subv4, usubv4): New patterns. (subti): Handle op1 zero. (subvti4, usub4ti4): New. (*sub3_compare1_imm): New. (sub3_carryinCV): New. (*sub3_carryinCV_z1_z2, *sub3_carryinCV_z1): New. (*sub3_carryinCV_z2, *sub3_carryinCV): New. 2018-07-19 Michael Collison Richard Henderson * config/aarch64/aarch64.md: (addv4, uaddv4): New. (addti3): Create simpler code if low part is already known to be 0. (addvti4, uaddvti4): New. (*add3_compareC_cconly_imm): New. (*add3_compareC_cconly): New. (*add3_compareC_imm): New. (*add3_compareC): Rename from add3_compare1; do not handle constants within this pattern.. (*add3_compareV_cconly_imm): New. (*add3_compareV_cconly): New. (*add3_compareV_imm): New. (add3_compareV): New. (add3_carryinC, add3_carryinV): New. (*add3_carryinC_zero, *add3_carryinV_zero): New. (*add3_carryinC, *add3_carryinV): New. ((*add3_compareC_cconly_imm): Replace 'ne' operator with 'comparison' operator. (*add3_compareV_cconly_imm): Ditto. (*add3_compareV_cconly): Ditto. (*add3_compareV_imm): Ditto. (add3_compareV): Ditto. (add3_carryinC): Ditto. (*add3_carryinC_zero): Ditto. (*add3_carryinC): Ditto. (add3_carryinV): Ditto. (*add3_carryinV_zero): Ditto. (*add3_carryinV): Ditto. 2018-07-19 Michael Collison Richard Henderson * config/aarch64/aarch64-modes.def (CC_V): New. * config/aarch64/aarch64-protos.h (aarch64_addti_scratch_regs): Declare (aarch64_subvti_scratch_regs): Declare. (aarch64_expand_subvti): Declare. (aarch64_gen_unlikely_cbranch): Declare * config/aarch64/aarch64.c (aarch64_select_cc_mode): Test for signed overflow using CC_Vmode. (aarch64_get_condition_code_1): Handle CC_Vmode. (aarch64_gen_unlikely_cbranch): New function. (aarch64_addti_scratch_regs): New function. (aarch64_subvti_scratch_regs): New function. (aarch64_expand_subvti): New function. 2018-07-19 Andre Vieira * config/aarch64/aarch64-option-extensions.def: New entry for profile extension. * config/aarch64/aarch64.h (AARCH64_FL_PROFILE): New. * doc/invoke.texi (aarch64-feature-modifiers): New entry for profile extension. 2018-07-19 Andre Vieira PR target/83009 * config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Make address check not strict. 2018-07-19 Andre Vieira * config/aarch64/aarch64-simd.md (aarch64_simd_mov): Replace Umq with Umn. (store_pair_lanes): Likewise. * config/aarch64/aarch64-protos.h (aarch64_addr_query_type): Add new enum value 'ADDR_QUERY_LDP_STP_N'. * config/aarch64/aarch64.c (aarch64_addr_query_type): Likewise. (aarch64_print_address_internal): Add declaration. (aarch64_print_ldpstp_address): Remove. (aarch64_classify_address): Adapt mode for 'ADDR_QUERY_LDP_STP_N'. (aarch64_print_operand): Change printing of 'y'. * config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Use new enum value 'ADDR_QUERY_LDP_STP_N', don't hardcode mode and use 'true' rather than '1'. * config/aarch64/constraints.md (Uml): Likewise. (Uml): Rename to Umn. (Umq): Remove. 2018-07-19 Richard Biener * tree-ssa-sccvn.h (struct vn_phi_s): Make phiargs member a trailing array. * tree-ssa-sccvn.c: Remove alloc-pool.h use. (vn_phi_hasher): Derive from nofree_ptr_hash and remove remove method. (vn_reference_hasher): Likewise. (struct vn_tables_s): Remove obstack and alloc-pool members. (vn_tables_obstack, vn_tables_insert_obstack): New global obstacks. (vn_nary_build_or_lookup_1): Manually build in vn_tables_insert_obstack. (vn_reference_insert): Allocate from obstack instead of from alloc-pool. (vn_reference_insert_pieces): Likewise. (alloc_vn_nary_op_noinit): Adjust. (vn_nary_op_insert_stmt): Allocate phiargs in-place. (vn_phi_eq): Adjust. (shared_lookup_phiargs): Remove. (vn_phi_lookup): Allocate temporary vn_phi_s on the stack. (vn_phi_insert): Allocate from obstack instead of from alloc-pool. (visit_reference_op_call): Likewise. (copy_nary, copy_phi, copy_reference): Remove. (process_scc): Rewind the obstack when iterating. Do not copy the elements to valid_info but just move them from one hashtable to the other. (allocate_vn_table): Adjust. (free_vn_table): Likewise. (init_scc_vn): Likewise. (free_scc_vn): Likewise. 2018-07-19 H.J. Lu PR target/86560 * config/i386/i386.c (rest_of_insert_endbranch): Lookup indirect_return as function type attribute. (ix86_attribute_table): Change indirect_return to function type attribute. * doc/extend.texi: Update indirect_return attribute. 2018-07-19 Aldy Hernandez * wide-int.h (widest2_int): New. * gimple-fold.c (arith_overflowed_p): Use it. * tree.h (widest2_int_cst): New. * tree-vrp.c (wide_int_binop_overflow): Rename from vrp_int_const_binop. Rewrite to work on trees. (extract_range_from_multiplicative_op_1): Abstract code to... (wide_int_range_min_max): ...here. (wide_int_range_cross_product): ...and here. (extract_range_from_binary_expr_1): Abstract overflow code to... (wide_int_range_mult_wrapping): ...here. * tree-vrp.h (wide_int_range_cross_product): New. (wide_int_range_mult_wrapping): New. 2018-07-19 Andrew Senkevich Julia Koval * config/i386/x86-tune-costs.h (skylake_memcpy, skylake_memset): Replace rep_prefix with unrolling for size 512. 2018-07-18 Kugan Vivekanandarajah PR middle-end/86544 * tree-ssa-phiopt.c (cond_removal_in_popcount_pattern): Handle comparision with EQ_EXPR in last stmt. 2018-07-18 Kelvin Nilsen * doc/extend.texi (PowerPC AltiVec Built-in Functions): Rename this subsection to "PowerPC AltiVec/VSX Built-in Functions". (PowerPC AltiVec/VSX Built-in Functions): New name for subsection previously known as "PowerPC AltiVec Built-in Functions". Move some material to new subsubsections "PowerPC AltiVec Built-in Functions on ISA 2.06" and "PowerPC AltiVec Built-in Functions on ISA 2.07". (PowerPC Altivec Built-in Functions on ISA 2.05): New subsubsection. (PowerPC Altivec Built-in Functions on ISA 2.06): Likewise. (PowerPC Altivec Built-in Functions on ISA 2.07): Likewise. (PowerPC Altivec Built-in Functions on ISA 3.0): Likewise. 2018-07-18 Richard Biener PR tree-optimization/86557 * tree-vect-patterns.c (vect_recog_divmod_pattern): Also handle EXACT_DIV_EXPR. 2018-07-18 Ilya Leoshkevich * config/s390/s390.c (s390_function_profiler): Generate CFI. 2018-07-17 Jeff Law * config/arm/arm.c (get_label_padding): Update for recent changes to label_to_alignment. PR tree-optimization/86010 * tree-ssa-dse.c (compute_trims): Fix typo/thinko. * config/mips/mips.c (vr4130_align_insns): Update for recent changes to label_to_alignment. * config/frv/frv.c (frv_label_align): Update for recent changes to label_to_alignment. * config/nios2/nios2.c (nios2_label_align): Update for recent changes which dropped ALIGN_LABELS_LOG. 2018-07-17 Andreas Schwab * config/m68k/m68k.md (umulsi3_highpart+1, const_umulsi3_highpart) (smulsi3_highpart+1, const_smulsi3_highpart): Add CC_STATUS_INIT. 2018-07-17 Claudiu Zissulescu * config/arc/arc.c (arc_label_align): Use align_labels instead of deprecated align_labels_log. 2018-07-17 Richard Biener PR lto/86456 * dwarf2out.c (init_sections_and_labels): Always generate a debug_line_str_section for early LTO debug. (dwarf2out_finish): Reset debug_line_str_hash output early. Bump counter for extra dwarf5 .debug_loc labels to not conflict with fat LTO part. (dwarf2out_early_finish): Output debug_line_str. 2018-07-17 Robin Dapp * config/s390/s390.c (preferred_la_operand_p): Do not use LA with index register on z196 or later. 2018-07-17 Robin Dapp * config/s390/s390.c (s390_default_align): Set default function alignment to 16. (s390_override_options_after_change): Call s390_default align. (s390_option_override_internal): Call s390_default_align. (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define. 2018-07-17 Jakub Jelinek PR middle-end/86542 * omp-low.c (create_task_copyfn): Copy over also fields corresponding to _looptemp_ clauses, other than the first two. 2018-07-17 Martin Liska * opts.c: Do not enable OPT_falign_* for -Os. 2018-07-17 Martin Liska * align.h (MAX_CODE_ALIGN): New. (MAX_CODE_ALIGN_VALUE): New. * common/config/i386/i386-common.c (ix86_handle_option): (MAX_CODE_ALIGN): Moved to align.h. * final.c (MAX_CODE_ALIGN): Likewise. * opts.c (parse_and_check_align_values): (MAX_CODE_ALIGN): Likewise. (MAX_CODE_ALIGN_VALUE): Likewise. 2018-07-17 Martin Liska * config/i386/att.h (ASM_OUTPUT_ALIGN): Fix spacing in order to fulfil coding style. * config/i386/cygming.h (ASM_OUTPUT_ALIGN): Likewise. * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise. * config/iq2000/iq2000.h (ASM_OUTPUT_ALIGN): Likewise. * config/pa/pa.h (ASM_OUTPUT_ALIGN): Likewise. * config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): Likewise. * config/sparc/sparc.h (ASM_OUTPUT_ALIGN): Likewise. * config/visium/visium.h (ASM_OUTPUT_ALIGN): Likewise. (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. 2018-07-17 Martin Liska * align.h: New file. * config/alpha/alpha.c (alpha_align_insns_1): Use align_functions directly. * config/i386/i386.c (ix86_avoid_jump_mispredicts): Use new return type align_flags of label_to_alignment. * config/m32r/m32r.h (LOOP_ALIGN): Wrap returned values into align_flags class. * config/m68k/m68k.c: Do not use removed align_labels_value and align_loops_value. * config/nds32/nds32.h (JUMP_ALIGN): Wrap result into align_flags class. (LOOP_ALIGN): Likewise. (LABEL_ALIGN): Likewise. * config/powerpcspe/powerpcspe.c (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Remove not used macro. (rs6000_loop_align): Change return type to align_flags. (rs6000_loop_align_max_skip): Remove. * config/rs6000/rs6000-protos.h (rs6000_loop_align): Change return type to align_flags. * config/rs6000/rs6000.c (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Remove not used macro. (rs6000_loop_align): Change return type to align_flags. (rs6000_loop_align_max_skip): Remove. * config/rx/rx.h (JUMP_ALIGN): Wrap integer values * config/rx/rx-protos.h (rx_align_for_label): Make it static function. * config/rx/rx.c (rx_align_for_label): Change return type to align_flags. (rx_max_skip_for_label): Remove TARGET_ASM_*_ALIGN_MAX_SKIP macro definitions. into align_flags class. (LABEL_ALIGN): Likewise. (LOOP_ALIGN): Likewise. * config/s390/s390.c (s390_label_align): Use align_flags class member. (s390_asm_output_function_label): Likewise. * config/sh/sh.c (sh_override_options_after_change): Use align_flags class directly without macros. (find_barrier): Likewise. (barrier_align): Likewise. (sh_loop_align): Likewise. * config/spu/spu.c (spu_option_override): Use align_flags_tuple::get_value instead of removed macros. (spu_sched_init): Likewise. * config/spu/spu.h (GTY): Likewise. * config/visium/visium.c (visium_option_override): Set "8" as default secondary alignment. * config/visium/visium.h (SUBALIGN_LOG): Define to 3 in order to guarantee secondary alignment of 8. * coretypes.h: Include align.h header file. * doc/tm.texi: Remove TARGET_ASM_JUMP_ALIGN_MAX_SKIP, TARGET_ASM_LOOP_ALIGN_MAX_SKIP, TARGET_ASM_LABEL_ALIGN_MAX_SKIP and TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP macros. * doc/tm.texi.in: Likewise. * final.c (struct label_alignment): Remove not used structure. (LABEL_ALIGN): Change type to align_flags. (LOOP_ALIGN): Likewise. (JUMP_ALIGN): Likewise. (default_loop_align_max_skip): Remove. (default_label_align_max_skip): Likewise. (default_jump_align_max_skip): Likewise. (default_label_align_after_barrier_max_skip): (LABEL_TO_ALIGNMENT): Change to access label_align vector. (LABEL_TO_MAX_SKIP): Remove. (label_to_alignment): Return align_flags type instead of integer. (label_to_max_skip): Remove. (align_fuzz): Use align_flags type. (compute_alignments): Use align_flags type and use align_flags::max to combine multiple alignments. (grow_label_align): Grow vec instead of C array. (update_alignments): Assign just LABEL_TO_ALIGNMENT. (shorten_branches): Use align_flags type and use align_flags::max to combine multiple alignments. (final_scan_insn_1): Remove usage of secondary alignment that comes from label alignment, but instead use proper secondary alignment which is computed in grow_label_align. * flags.h (struct align_flags_tuple): Move to align.h. (struct align_flags): Likewise. (state_align_loops): Rename to align_loops. (state_align_jumps): Rename to align_jumps. (state_align_labels): Rename to align_labels. (state_align_functions): Rename to align_functions. (align_loops_log): Remove. (align_jumps_log): Remove. (align_labels_log): Remove. (align_functions_log): Remove. (align_loops_max_skip): Remove. (align_jumps_max_skip): Remove. (align_labels_max_skip): Remove. (align_functions_max_skip): Remove. (align_loops_value): Remove. (align_jumps_value): Remove. (align_labels_value): Remove. (align_functions_value): Remove. * output.h (label_to_alignment): Change return type to align_flags. (label_to_max_skip): Remove. * target.def: Remove loop_align_max_skip, label_align_max_skip, jump_align_max_skip macros. * targhooks.h (default_loop_align_max_skip): Remove. (default_label_align_max_skip): Likewise. (default_jump_align_max_skip): Likewise. (default_label_align_after_barrier_max_skip): Remove. * toplev.c (read_log_maxskip): Use ::normalize function. (parse_N_M): Remove not used argument and also call ::normalize. (parse_alignment_opts): Do not pass unused arguments. * varasm.c (assemble_start_function): Use directly align_functions instead of removed macros. * system.h: Do not poison removed macros. 2018-07-17 Jakub Jelinek PR middle-end/86539 * gimplify.c (gimplify_omp_for): Ensure taskloop firstprivatized init and cond temporaries don't have reference type if iterator has pointer type. For init use &for_pre_body instead of pre_p if for_pre_body is non-empty. 2018-07-16 Segher Boessenkool * config/rs6000/rs6000.md (truncsf2): Expand truncates of double-double modes to SFmode directly directly. (truncsf2_fprs): Delete. 2018-07-16 Segher Boessenkool * config/rs6000/rs6000.c (init_float128_ibm): Use the correct names for conversions between IFmode and the decimal floating point modes. (init_float128_ieee): Use the correct names for conversions between KFmode and the decimal floating point modes. 2018-07-16 Segher Boessenkool * config/rs6000/rs6000.c (init_float128_ibm): Use more correct names for the conversions between TDmode and IFmode. (init_float128_ieee): Use more correct names for the conversions between TDmode and KFmode. 2018-07-16 Jakub Jelinek PR tree-optimization/86526 * builtins.c (expand_builtin_memcmp): Formatting fixes. (inline_expand_builtin_string_cmp): Likewise. (inline_string_cmp): Likewise. Use c_readstr instead of builtin_memcpy_read_str. Add unit_mode temporary. 2018-07-16 Bernd Edlinger PR middle-end/86528 * builtins.c (check_access): Bail out if range[0] is no INTEGER_CST. * expr.c (string_constant): Fix the element size of ARRAY_TYPE. 2018-07-16 Kelvin Nilsen * doc/extend.texi (PowerPC AltiVec Built-in Functions): Alphabetize prototypes of built-in functions, separating out built-in functions that are listed in this section but should be described elsewhere. 2018-07-16 Uros Bizjak PR target/86511 * expmed.c (emit_store_flag): Do not emit setcc followed by a conditional move when trapping comparison was split to a non-trapping one (and vice versa). 2018-07-16 Ilya Leoshkevich * config/s390/s390.c (s390_function_profiler): Generate nops instead of profiler call sequences. * config/s390/s390.opt: Add the new option. 2018-07-16 Ilya Leoshkevich * config/s390/s390.c (s390_function_profiler): Generate __mcount_loc section. * config/s390/s390.opt: Add the new option. 2018-07-16 Ilya Leoshkevich * common.opt: Add the new warning. * config/s390/s390.c (s390_function_profiler): Emit "brasl %r0,__fentry__" when -mfentry is specified. (s390_option_override_internal): Disallow -mfentry for 31-bit CPUs. * config/s390/s390.opt: Add the new option. 2018-07-16 Richard Biener PR lto/86523 * dwarf2out.c (dwarf2out_register_external_die): Assign DIE parents for function-local FUNCTION_DECL and RESULT_DECL immediately. 2018-07-16 Martin Liska PR ipa/86529 * ipa-pure-const.c (malloc_candidate_p): Revert ::get to ::get_create. 2017-07-16 Claudiu Zissulescu * config/arc/arcHS.md: Update ARCHS scheduling rules. 2017-07-16 Claudiu Zissulescu * config/arc/arc-arch.h (arc_tune_attr): Add new tune parameters for ARCHS4x. * config/arc/arc-cpus.def (hs4x): New cpu. (hs4xd): Likewise. * config/arc/arc-tables.opt: Regenerate. * config/arc/arc.c (arc_sched_issue_rate): New function. (TARGET_SCHED_ISSUE_RATE): Define. (TARGET_SCHED_EXPOSED_PIPELINE): Likewise. * config/arc/arc.md (attr type): Add fpu_fuse, fpu_sdiv, fpu_ddiv, fpu_cvt. (attr tune): Add ARCHS4x tune values. (attr tune_dspmpy): Define. (*tst): Correct instruction type. * config/arc/arcHS.md: Don't use this automaton for ARCHS4x cpus. * config/arc/arcHS4x.md: New file. * config/arc/fpu.md: Update instruction type attributes. * config/arc/t-multilib: Regenerate. 2018-07-16 Tom de Vries PR debug/86455 * var-tracking.c (vt_initialize): Fix pre_dec handling. 2018-07-16 Ramana Radhakrishnan * config/aarch64/atomics.md (aarch64_store_execlusive): Add early clobber. 2018-07-16 Eric Botcazou PR tree-optimization/86514 * tree-ssa-reassoc.c (init_range_entry) : Return for a conversion to a boolean type from a type with greater precision. 2018-07-16 Tom de Vries * var-tracking.c (vt_initialize): Print adjusted insn slim if dump_flags request TDF_SLIM. 2018-07-16 Aldy Hernandez * fold-const.c (int_const_binop_1): Abstract... (wide_int_binop): ...wide int code here. (poly_int_binop): ...poly int code here. Abstract the rest of int_const_binop_1 into int_const_binop. * fold-const.h (wide_int_binop): New. * tree-vrp.c (vrp_int_const_binop): Call wide_int_binop. Remove useless PLUS/MINUS_EXPR case. (zero_nonzero_bits_from_vr): Move wide int code... (zero_nonzero_bits_from_bounds): ...here. (extract_range_from_binary_expr_1): Move mask optimization code... (range_easy_mask_min_max): ...here. * tree-vrp.h (zero_nonzero_bits_from_bounds): New. (range_easy_mask_min_max): New. 2018-07-15 Jeff Law PR target/85993 * config/sh/sh.c (output_mi_thunk): Remove dead conditional block. 2018-07-14 Jim Wilson * config/riscv/linux.h (TARGET_ASM_FILE_END): New. 2018-07-14 Paul Koning * config/pdp11/pdp11.c (pdp11_rtx_costs): Bugfixes. 2018-07-13 Jan Hubicka * lto-streamer-out.c (copy_function_or_variable): Dump info about copying section. 2018-07-13 Bill Schmidt Steve Munroe * config/rs6000/emmintrin.h (_mm_and_si128): New function. (_mm_andnot_si128): Likewise. (_mm_or_si128): Likewise. (_mm_xor_si128): Likewise. 2018-07-13 Qing Zhao PR middle-end/78809 * builtins.c (expand_builtin_memcmp): Inline the calls first when result_eq is false. (expand_builtin_strcmp): Inline the calls first. (expand_builtin_strncmp): Likewise. (inline_string_cmp): New routine. Expand a string compare call by using a sequence of char comparison. (inline_expand_builtin_string_cmp): New routine. Inline expansion a call to str(n)cmp/memcmp. * doc/invoke.texi (--param builtin-string-cmp-inline-length): New option. * params.def (BUILTIN_STRING_CMP_INLINE_LENGTH): New. 2018-07-13 Richard Earnshaw * config/arm/driver-arm.c: Include arm-native.h. (host_detect_local_cpu): Use auto-generated data tables. (vendors, arm_cpu_table): Delete. Move part information to ... * config/arm/arm-cpus.in: ... here. * config/arm/parsecpu.awk (gen_native): New function. (vendor, part): New CPU fields. (END): Add support for building the native CPU detection tables. * config/arm/t-arm (arm-native.h): Add build rule. (driver-arm.o): Add dependency on arm-native.h. 2018-07-13 Richard Biener PR middle-end/85974 * match.pd (addr1 - addr2): Allow either of the operand to have a conversion. 2018-07-13 Tom de Vries * tree-inline.c (remap_ssa_name): Save and reuse debug exprs generated in remap_ssa_name. 2018-07-13 Jackson Woodruff * config/aarch64/aarch64.c (aarch64_operands_adjust_ok_for_ldpstp): Use arrays instead of numbered variables. 2018-07-13 Eric Botcazou * config/sparc/sparc-protos.h (sparc_compute_frame_size): Delete. * config/sparc/sparc.c (sparc_compute_frame_size): Make static. 2018-07-13 Richard Biener PR debug/86452 * dwarf2out.c (gen_type_die_with_usage): Use scope_die_for instead of get_context_die. 2018-07-13 Kugan Vivekanandarajah Richard Biener PR middle-end/86489 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Check that the loop latch destination where phi is defined. 2018-07-12 Kito Cheng * config/riscv/riscv.c (enum riscv_privilege_levels): Add UNKNOWN_MODE. (riscv_expand_epilogue): Add assertion to check interrupt mode. (riscv_set_current_function): Extract getting interrupt type to new function. (riscv_get_interrupt_type): New function. (riscv_merge_decl_attributes): New function, checking interrupt type is same. (TARGET_MERGE_DECL_ATTRIBUTES): Define. 2018-07-12 Paul Koning * config/pdp11/pdp11.c (pdp11_output_def): Fix typo in .set directive. 2018-07-12 Paul Koning * doc/rtl.texi (REG_NONNEG): Remove decrement and branch until zero reference, add doloop_end instead. * doc/md.texi (decrement_and_branch_until_zero): Remove. (Looping patterns): Remove decrement_and_branch_until_zero. Add detail for doloop_end. 2018-07-12 Martin Sebor PR c/86453 * attribs.c (decl_attributes): Reject conflicting attributes before calling attribute handlers. 2018-07-12 Jan Hubicka * dumpfile.c (gcc::dump_manager::get_dump_file_name): Add PART parameter. (gcc::dump_manager::get_dump_file_name): likewise. (dump_begin): Likewise. * dumpfile.h (dump_begin): Update prototype. (gcc::dump_manager::get_dump_file_name, gcc::dump_manager::get_dump_file_name): Update prototype. 2018-07-12 Richard Sandiford * internal-fn.h (vectorizable_internal_fn_p): New function. * tree-vect-slp.c (compatible_calls_p): Likewise. (vect_build_slp_tree_1): Remove nops argument. Handle calls to internal functions. (vect_build_slp_tree_2): Update call to vect_build_slp_tree_1. 2018-07-12 Richard Sandiford * fold-const.h (inverse_conditions_p): Declare. * fold-const.c (inverse_conditions_p): New function. * match.pd: Use inverse_conditions_p. Add folds of view_converts that test the inverse condition of a conditional internal function. * internal-fn.h (vectorized_internal_fn_supported_p): Declare. * internal-fn.c (internal_fn_mask_index): Handle conditional internal functions. (vectorized_internal_fn_supported_p): New function. * tree-if-conv.c: Include internal-fn.h and fold-const.h. (any_pred_load_store): Replace with... (need_to_predicate): ...this new variable. (redundant_ssa_names): New variable. (ifcvt_can_use_mask_load_store): Move initial checks to... (ifcvt_can_predicate): ...this new function. Handle tree codes for which a conditional internal function exists. (if_convertible_gimple_assign_stmt_p): Use ifcvt_can_predicate instead of ifcvt_can_use_mask_load_store. Update after variable name change. (predicate_load_or_store): New function, split out from predicate_mem_writes. (check_redundant_cond_expr): New function. (value_available_p): Likewise. (predicate_rhs_code): Likewise. (predicate_mem_writes): Rename to... (predicate_statements): ...this. Use predicate_load_or_store and predicate_rhs_code. (combine_blocks, tree_if_conversion): Update after above name changes. (ifcvt_local_dce): Handle redundant_ssa_names. * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Handle general conditional functions. * tree-vect-stmts.c (vectorizable_call): Likewise. 2018-07-12 Richard Sandiford Alan Hayward David Sherwood * internal-fn.h (can_interpret_as_conditional_op_p): Declare. * internal-fn.c (can_interpret_as_conditional_op_p): New function. * tree-ssa-math-opts.c (convert_mult_to_fma_1): Handle conditional plus and minus and convert them into IFN_COND_FMA-based sequences. (convert_mult_to_fma): Handle conditional plus and minus. 2018-07-12 Richard Sandiford * doc/md.texi (cond_fma, cond_fms, cond_fnma, cond_fnms): Document. * optabs.def (cond_fma_optab, cond_fms_optab, cond_fnma_optab) (cond_fnms_optab): New optabs. * internal-fn.def (COND_FMA, COND_FMS, COND_FNMA, COND_FNMS): New internal functions. (FMA): Use DEF_INTERNAL_FLT_FN rather than DEF_INTERNAL_FLT_FLOATN_FN. * internal-fn.h (get_conditional_internal_fn): Declare. (get_unconditional_internal_fn): Likewise. * internal-fn.c (cond_ternary_direct): New macro. (expand_cond_ternary_optab_fn): Likewise. (direct_cond_ternary_optab_supported_p): Likewise. (FOR_EACH_COND_FN_PAIR): Likewise. (get_conditional_internal_fn): New function. (get_unconditional_internal_fn): Likewise. * gimple-match.h (gimple_match_op::MAX_NUM_OPS): Bump to 5. (gimple_match_op::gimple_match_op): Add a new overload for 5 operands. (gimple_match_op::set_op): Likewise. (gimple_resimplify5): Declare. * genmatch.c (decision_tree::gen): Generate simplifications for 5 operands. * gimple-match-head.c (gimple_simplify): Define an overload for 5 operands. Handle calls with 5 arguments in the top-level overload. (convert_conditional_op): Handle conversions from unconditional internal functions to conditional ones. (gimple_resimplify5): New function. (build_call_internal): Pass a fifth operand. (maybe_push_res_to_seq): Likewise. (try_conditional_simplification): Try converting conditional internal functions to unconditional internal functions. Handle 3-operand unconditional forms. * match.pd (UNCOND_TERNARY, COND_TERNARY): Operator lists. Define ternary equivalents of the current rules for binary conditional internal functions. * config/aarch64/aarch64.c (aarch64_preferred_else_value): Handle ternary operations. * config/aarch64/iterators.md (UNSPEC_COND_FMLA, UNSPEC_COND_FMLS) (UNSPEC_COND_FNMLA, UNSPEC_COND_FNMLS): New unspecs. (optab): Handle them. (SVE_COND_FP_TERNARY): New int iterator. (sve_fmla_op, sve_fmad_op): New int attributes. * config/aarch64/aarch64-sve.md (cond_) (*cond__2, *cond__any): New SVE_COND_FP_TERNARY patterns. 2018-07-12 Richard Sandiford * target.def (preferred_else_value): New target hook. * doc/tm.texi.in (TARGET_PREFERRED_ELSE_VALUE): New hook. * doc/tm.texi: Regenerate. * targhooks.h (default_preferred_else_value): Declare. * targhooks.c (default_preferred_else_value): New function. * internal-fn.h (conditional_internal_fn_code): Declare. * internal-fn.c (FOR_EACH_CODE_MAPPING): New macro. (get_conditional_internal_fn): Use it. (conditional_internal_fn_code): New function. * gimple-match.h (gimple_match_cond): New struct. (gimple_match_op): Add a cond member function. (gimple_match_op::gimple_match_op): Update all forms to take a gimple_match_cond. * genmatch.c (expr::gen_transform): Use the same condition as res_op for the suboperation, but don't specify a particular else_value. * tree-ssa-sccvn.c (vn_nary_simplify, vn_reference_lookup_3) (visit_nary_op, visit_reference_op_load): Pass gimple_match_cond::UNCOND to the gimple_match_op constructor. * gimple-match-head.c: Include tree-eh.h (convert_conditional_op): New function. (maybe_resimplify_conditional_op): Likewise. (gimple_resimplify1): Call maybe_resimplify_conditional_op. (gimple_resimplify2): Likewise. (gimple_resimplify3): Likewise. (gimple_resimplify4): Likewise. (maybe_push_res_to_seq): Return null for conditional operations. (try_conditional_simplification): New function. (gimple_simplify): Call it. Pass conditions to the gimple_match_op constructor. * match.pd: Fold VEC_COND_EXPRs of an IFN_COND_* call to a new IFN_COND_* call. * config/aarch64/aarch64.c (aarch64_preferred_else_value): New function. (TARGET_PREFERRED_ELSE_VALUE): Redefine. 2018-07-12 Jan Hubicka * lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream DECL_FCONTEXT (hash_tree): Do not hash DECL_FCONTEXT * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers): Do not stream DECL_FCONTEXT. * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise. * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT. 2018-07-12 Richard Biener PR debug/86462 * dwarf2out.c (gen_block_die): Only output blocks when they have at least one !DECL_IGNORED_P variable. 2018-07-12 Richard Biener PR target/84829 * config/gnu-user.h (GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC): Remove -mieee-fp handling. 2018-07-12 Richard Biener * tree-ssa-sccvn.c (vn_lookup_simplify_result): Remove bogus left-over from last patch. 2018-07-12 Jakub Jelinek PR tree-optimization/86492 * gimple-ssa-store-merging.c (imm_store_chain_info::coalesce_immediate_stores): Call check_no_overlap even for the merge_overlapping case. Formatting fix. 2018-07-12 Richard Biener PR middle-end/86479 * fold-const.c (fold_binary_op_with_conditional_arg): Do not move possibly trapping operations into the conditional. 2018-07-12 Richard Biener * tree-ssa-sccvn.c (mprts_hook_cnt): Remove. (vn_lookup_simplify_result): Remove recursion limit applied here. (vn_nary_build_or_lookup_1): Adjust. (try_to_simplify): Likewise. * gimple-match-head.c (gimple_resimplify1): Instead apply one here. (gimple_resimplify2): Likewise. (gimple_resimplify3): Likewise. (gimple_resimplify4): Likewise. 2018-07-11 Jakub Jelinek * config/i386/avx512bitalgintrin.h (_mm512_mask_bitshuffle_epi64_mask): Use __mmask64 type instead of __mmask8 for __M argument. * config/i386/avx512fintrin.h (_mm512_mask_xor_epi64, _mm512_maskz_xor_epi64): Use __mmask8 type instead of __mmask16 for __U argument. (_mm512_mask_cmpneq_epi64_mask): Use __mmask8 type instead of __mmask16 for __M argument. (_mm512_maskz_insertf32x4, _mm512_maskz_inserti32x4, _mm512_mask_insertf32x4, _mm512_mask_inserti32x4): Cast last argument to __mmask16 instead of __mmask8. * config/i386/avx512vlintrin.h (_mm_mask_add_ps, _mm_maskz_add_ps, _mm256_mask_add_ps, _mm256_maskz_add_ps, _mm_mask_sub_ps, _mm_maskz_sub_ps, _mm256_mask_sub_ps, _mm256_maskz_sub_ps, _mm256_maskz_cvtepi32_ps, _mm_maskz_cvtepi32_ps): Use __mmask8 type instead of __mmask16 for __U argument. * config/i386/avx512vlbwintrin.h (_mm_mask_cmp_epi8_mask): Use __mmask16 instead of __mmask8 for __U argument. (_mm256_mask_cmp_epi8_mask): Use __mmask32 instead of __mmask16 for __U argument. (_mm256_cmp_epi8_mask): Use __mmask32 return type instead of __mmask16. (_mm_mask_cmp_epu8_mask): Use __mmask16 instead of __mmask8 for __U argument. (_mm256_mask_cmp_epu8_mask): Use __mmask32 instead of __mmask16 for __U argument. (_mm256_cmp_epu8_mask): Use __mmask32 return type instead of __mmask16. (_mm_mask_cmp_epi16_mask): Cast last argument to __mmask8 instead of __mmask16. (_mm256_mask_cvtepi8_epi16): Use __mmask16 instead of __mmask32 for __U argument. (_mm_mask_cvtepi8_epi16): Use __mmask8 instead of __mmask32 for __U argument. (_mm256_mask_cvtepu8_epi16): Use __mmask16 instead of __mmask32 for __U argument. (_mm_mask_cvtepu8_epi16): Use __mmask8 instead of __mmask32 for __U argument. (_mm256_mask_cmpneq_epu8_mask, _mm256_mask_cmplt_epu8_mask, _mm256_mask_cmpge_epu8_mask, _mm256_mask_cmple_epu8_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask32. (_mm256_mask_cmpneq_epu16_mask, _mm256_mask_cmplt_epu16_mask, _mm256_mask_cmpge_epu16_mask, _mm256_mask_cmple_epu16_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask16. (_mm256_mask_cmpneq_epi8_mask, _mm256_mask_cmplt_epi8_mask, _mm256_mask_cmpge_epi8_mask, _mm256_mask_cmple_epi8_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask32. (_mm256_mask_cmpneq_epi16_mask, _mm256_mask_cmplt_epi16_mask, _mm256_mask_cmpge_epi16_mask, _mm256_mask_cmple_epi16_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask16. * config/i386/avx512vbmi2vlintrin.h (_mm_mask_shrdi_epi32, _mm_mask_shldi_epi32): Cast last argument to __mmask8 instead of __mmask16. 2018-07-11 Grazvydas Ignotas * config/i386/avx512bwintrin.h: (_mm512_mask_cmp_epi8_mask, _mm512_mask_cmp_epu8_mask): Use __mmask64 type instead of __mmask32 for __U argument. 2018-07-11 Paul Koning * doc/md.texi (define_subst): Document how multiple occurrences of the same argument in the replacement pattern are handled. 2018-07-11 Paul Koning * doc/extend.texi (Common Variable Attributes): Move "mode" into alphabetical order. (Common Type Attributes): Add "mode" attribute. 2018-07-11 Jan Hubicka * lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream DECL_ORIGINAL_TYPE. (DFS::DFS_write_tree_body): Drop hack handling local external decls. (hash_tree): Do not walk DECL_ORIGINAL_TYPE. * tree-streamer-in.c (lto_input_ts_decl_non_common_tree_pointers): Do not walk original type. * tree-streamer-out.c (streamer_write_chain): Drop hack handling external decls. (write_ts_decl_non_common_tree_pointers): Do not stream DECL_ORIGINAL_TYPE * tree.c (free_lang_data_in_decl): Clear DECL_ORIGINAL_TYPE. (find_decls_types_r): Do not walk DEC_ORIGINAL_TYPE. 2018-07-11 Aldy Hernandez * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not jump thread twice from the same starting edge. 2018-07-11 Aldy Hernandez * vr-values.c (gimple_stmt_nonzero_p): Abstract common code to... * gimple.c (gimple_call_nonnull_result_p): ...here... (gimple_call_nonnull_arg): ...and here. * gimple.h (gimple_call_nonnull_result_p): New. (gimple_call_nonnull_arg): New. 2018-07-11 Richard Earnshaw * config/arm/arm-cpus.in: Move information from fpu field of each cpu definition to the isa field. * config/arm/parsecpu.awk (fpu): Delete match rule. (gen_comm_data): Don't add bits from the CPU's FPU entry. 2018-07-11 Richard Biener PR debug/86457 * dwarf2out.c (init_sections_and_labels): Use output_asm_line_debug_info consistently. (dwarf2out_early_finish): Likewise. (dwarf2out_finish): Remove DW_AT_stmt_list from early generated type units. 2018-07-11 Richard Biener * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Rework father_bb setting in a way to avoid propagating constants multiple times on a loop body. 2018-07-10 Mark Wielaard PR debug/86459 * dwarf2out.c (output_macinfo_op): Fix dwarf_FORM typo in gcc_assert. 2018-07-10 Richard Biener * hash-map.h (hash_map::iterator::operator*): Return references to key and value. 2018-07-10 Jakub Jelinek PR c++/86443 * gimplify.c (find_combined_omp_for): Add DATA argument, in addition to finding the inner OMP_FOR/OMP_SIMD stmt find non-trivial wrappers, BLOCKs with BLOCK_VARs, OMP_PARALLEL in between, OMP_FOR in between. (gimplify_omp_for): For composite loops, move outer OMP_{DISTRIBUTE,TASKLOOP,FOR,PARALLEL} right around innermost OMP_FOR/OMP_SIMD if there are any non-trivial wrappers. For class iterators add any needed clauses. Allow OMP_FOR_ORIG_DECLS to contain TREE_LIST for both the original class iterator and the "last" helper var. Gimplify OMP_FOR_PRE_BODY before the outermost composite loop, remember has_decl_expr from outer composite loops for the innermost OMP_SIMD in TREE_PRIVATE bit on OMP_FOR_INIT. 2018-07-09 Martin Sebor PR middle-end/77357 PR middle-end/86428 * builtins.c (c_strlen): Avoid out-of-bounds warnings when accessing implicitly initialized array elements. * expr.c (string_constant): Handle string initializers of character arrays within aggregates. * gimple-fold.c (fold_array_ctor_reference): Add argument. Store element offset. As a special case, handle zero size. (fold_nonarray_ctor_reference): Same. (fold_ctor_reference): Add argument. Store subobject offset. * gimple-fold.h (fold_ctor_reference): Add argument. 2018-07-09 Paul Koning * config/pdp11/pdp11.c (pdp11_addr_cost): New function. (pdp11_insn_cost): New function. (pdp11_md_asm_adjust): New function. (TARGET_INVALID_WITHIN_DOLOOP): Define. (pdp11_rtx_costs): Update to match machine better. (output_addr_const_pdp11): Correct format mismatch warnings. * config/pdp11/pdp11.h (SLOW_BYTE_ACCESS): Correct definition. * config/pdp11/pdp11.md: General change to add base_cost and/or length attributes for use by new pdp11_insn_cost function. (MIN_BRANCH): Correct definition. (MIN_SOB): Ditto. (doloop_end): Use standard pattern name for looping pattern. (doloop_end_nocc): New. (movsf): Add another constraint alternative. (zero_extendqihi2): Add constraint alternatives for not in place extend. (zero_extendhisi2): Remove. (shift patterns): Add CC handling variants. (bswaphi2): New. (bswapsi2): New. (rothi3): New. (define_peephole2): New peephole to recognize mov that sets CC for subsequent test. 2018-07-09 Rainer Orth * config/sparc/sparc.c (sparc_fold_builtin) : Adapt for signature change of wi::neg, wi::add. 2018-07-09 Jakub Jelinek PR c/86420 * real.c (real_nextafter): Return true if result is denormal. 2018-07-09 Martin Liska * common.opt: Add back wrongly removed attribute. 2018-07-09 Richard Biener PR debug/86413 * dwarf2out.c (gen_block_die): For an early generated DIE always output high/low PC attributes. 2018-07-09 Tom de Vries * cfgexpand.c (expand_debug_source_expr): Handle VAR_DECL. * tree-inline.c (remap_ssa_name): Handle default def ssa_name mapping onto VAR_DECL with abstract origin. 2018-07-07 Jim Wilson * config/riscv/riscv.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): New. 2018-07-07 Tom de Vries * tree-dfa.c (dump_enumerated_decls): Handle cfun->cfg == NULL. 2018-07-07 Aldy Hernandez * tree-vrp.c (vrp_int_const_binop): Change overflow type to overflow_type. (combine_bound): Use wide-int overflow calculation instead of rolling our own. * calls.c (maybe_warn_alloc_args_overflow): Change overflow type to overflow_type. * fold-const.c (int_const_binop_2): Same. (extract_muldiv_1): Same. (fold_div_compare): Same. (fold_abs_const): Same. * match.pd: Same. * poly-int.h (add): Same. (sub): Same. (neg): Same. (mul): Same. * predict.c (predict_iv_comparison): Same. * profile-count.c (slow_safe_scale_64bit): Same. * simplify-rtx.c (simplify_const_binary_operation): Same. * tree-chrec.c (tree_fold_binomial): Same. * tree-data-ref.c (split_constant_offset_1): Same. * tree-if-conv.c (idx_within_array_bound): Same. * tree-scalar-evolution.c (iv_can_overflow_p): Same. * tree-ssa-phiopt.c (minmax_replacement): Same. * tree-vect-loop.c (is_nonwrapping_integer_induction): Same. * tree-vect-stmts.c (vect_truncate_gather_scatter_offset): Same. * vr-values.c (vr_values::adjust_range_with_scev): Same. * wide-int.cc (wi::add_large): Same. (wi::mul_internal): Same. (wi::sub_large): Same. (wi::divmod_internal): Same. * wide-int.h: Change overflow type to overflow_type for neg, add, mul, smul, umul, div_trunc, div_floor, div_ceil, div_round, mod_trunc, mod_ceil, mod_round, add_large, sub_large, mul_internal, divmod_internal. (overflow_type): New enum. (accumulate_overflow): New. 2018-07-06 Kugan Vivekanandarajah * tree-ssa-phiopt.c (cond_removal_in_popcount_pattern): New. (tree_ssa_phiopt_worker): Call cond_removal_in_popcount_pattern. 2018-07-06 Kugan Vivekanandarajah * tree-ssa-loop-niter.c (number_of_iterations_popcount): If popcount argument is checked for zero before entering loop, avoid checking again. 2018-07-06 Kugan Vivekanandarajah * gimplify.h (generic_expr_could_trap_p): Set as global function. * gimplify.h (generic_expr_could_trap_p): Likwise. * tree-scalar-evolution.c (expression_expensive_p): Handle COND_EXPR. 2018-07-06 Jakub Jelinek PR tree-optimization/86401 * fold-const.c (fold_binary_loc) : Move the ((A & N) + B) & M -> (A + B) & M etc. optimization into ... (fold_bit_and_mask): ... here. New helper function for match.pd. * fold-const.h (fold_bit_and_mask): Declare. * match.pd (((A & N) + B) & M -> (A + B) & M): New optimization. 2018-07-06 Peter Bergner PR target/86324 * target.def (translate_mode_attribute): New hook. * targhooks.h (default_translate_mode_attribute): Declare. * targhooks.c (default_translate_mode_attribute): New function. * doc/tm.texi.in (TARGET_TRANSLATE_MODE_ATTRIBUTE): New hook. * doc/tm.texi: Regenerate. * config/rs6000/rs6000.c (TARGET_TRANSLATE_MODE_ATTRIBUTE): Define. (rs6000_translate_mode_attribute): New function. 2018-07-06 Paul Koning * doc/md.texi (define_split): Document DONE and FAIL. (define_peephole2): Ditto. 2018-07-05 Jeff Law PR tree-optimization/86010 * tree-ssa-dse.c (compute_trims): More aggressively trim at both the head and tail of mem* and str* calls. 2018-07-05 Jim Wilson * config.gcc (riscv*-*-*): When setting xlen, handle riscv-*. 2018-07-05 Indu Bhagat * config/aarch64/aarch64-simd.md: correct flags text for MIN_EXPR replacement. 2018-07-05 James Clarke * configure: Regenerated. 2018-07-05 Carl Love * config/rs6000/rs6000-c.c: Map ALTIVEC_BUILTIN_VEC_UNPACKH for float argument to VSX_BUILTIN_DOUBLEH_V4SF. Map ALTIVEC_BUILTIN_VEC_UNPACKL for float argument to VSX_BUILTIN_DOUBLEL_V4SF. 2018-07-05 Martin Sebor PR c++/86400 * tree-ssa-strlen.c (maybe_set_strlen_range): Use type size rather than its domain to compute its the upper bound of a char array. 2018-07-05 Nathan Sidwell Replace NO_IMPLICIT_EXTERN_C with SYSTEM_IMPLICIT_EXTERN_C. * doc/cpp.texi: Update comment. * doc/tm.texi: Rebuilt. * doc/tm.texi.in (NO_IMPLICIT_EXTERN_C): Replace with ... (SYSTEM_IMPLICIT_EXTERN_C): ... this, opposite sense. * doc/extend.texi (Backwards Compatibility): Clarify it is system headers affected by extern "C". * system.h: Poison NO_IMPLICIT_EXTERN_C. * config/alpha/alpha.h, config/arm/uclinux-elf.h, config/bfin/elf.h, config/cris/cris.h, config/darwin.h, config/dragonfly.h, config/freebsd.h, config/gnu-user.h, config/i386/cygming.h, config/i386/djgpp.h, config/i386/nto.h, config/ia64/hpux.h, config/lm32/lm32.h, config/lm32/uclinux-elf.h, config/lynx.h, config/mips/elf.h, config/mmix/mmix.h, config/netbsd.h, config/pa/pa-hpux.h, config/powerpcspe/sysv4.h, config/riscv/elf.h, config/rs6000/sysv4.h, config/rtems.h, config/s390/tpf.h, config/sh/newlib.h, config/sol2.h, config/sparc/openbsd64.h, config/sparc/sp-elf.h, config/sparc/sp64-elf.h, config/spu/spu.h, config/stormy16/stormy16.h, config/v850/v850.h, config/visium/visium.h, config/vx-common.h, config/xtensa/elf.h: Don't define NO_IMPLICIT_EXTERN_C. * config/rs6000/aix.h: Set SYSTEM_IMPLICIT_EXTERN_C. 2018-07-05 Tamar Christina PR target/84711 * config/arm/arm.c (arm_can_change_mode_class): Use GET_MODE_UNIT_SIZE instead of GET_MODE_SIZE when comparing Units. 2018-07-05 Tamar Christina PR target/84711 * rtlanal.c (set_noop_p): Constrain on mode change, include hard-reg-set.h 2018-07-05 Tamar Christina * config/aarch64/aarch64.c (aarch64_expand_movmem): Fix mode size. 2018-07-05 Jakub Jelinek Revert 2018-07-04 Maxim Ostapenko PR sanitizer/84250 * config/gnu-user.h (LIBASAN_EARLY_SPEC): Pass -lstdc++ for static libasan. * gcc.c: Do not pass LIBUBSAN_SPEC if ASan is enabled with UBSan. 2018-07-04 Maxim Ostapenko PR sanitizer/84250 * config/gnu-user.h (LIBASAN_EARLY_SPEC): Pass -lstdc++ for static libasan. * gcc.c: Do not pass LIBUBSAN_SPEC if ASan is enabled with UBSan. 2018-07-04 Eric Botcazou PR middle-end/86380 * expmed.c (choose_multiplier): Fix incorrect comparison with mask. 2018-07-04 Aldy Hernandez * tree-vrp.c (extract_range_from_binary_expr_1): Initialize neg_*_op* variables. 2018-07-04 Martin Liska * tree-switch-conversion.c: Define max_ratio_for_speed and max_ratio_for_size constants. 2018-07-04 Denys Vlasenko Martin Liska PR middle-end/66240 PR target/45996 PR c/84100 * common.opt: Rename align options with 'str_' prefix. * common/config/i386/i386-common.c (set_malign_value): New function. (ix86_handle_option): Use it to set -falign-* options/ * config/aarch64/aarch64-protos.h (struct tune_params): Change type from int to string. * config/aarch64/aarch64.c: Update default values from int to string. * config/alpha/alpha.c (alpha_override_options_after_change): Likewise. * config/arm/arm.c (arm_override_options_after_change_1): Likewise. * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print max skip conditionally. * config/i386/freebsd.h (SUBALIGN_LOG): New. (ASM_OUTPUT_MAX_SKIP_ALIGN): Print max skip conditionally. * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print max skip conditionally. * config/i386/gnu-user.h (SUBALIGN_LOG): New. (ASM_OUTPUT_MAX_SKIP_ALIGN): Print max skip conditionally. * config/i386/i386.c (struct ptt): Change type from int to string. (ix86_default_align): Set default values. * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Print max skip conditionally. * config/i386/iamcu.h (SUBALIGN_LOG): New. (ASM_OUTPUT_MAX_SKIP_ALIGN): * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print max skip conditionally. * config/i386/openbsdelf.h (SUBALIGN_LOG): New. (ASM_OUTPUT_MAX_SKIP_ALIGN) Print max skip conditionally.: * config/i386/x86-64.h (SUBALIGN_LOG): New. (ASM_OUTPUT_MAX_SKIP_ALIGN): Print max skip conditionally. (ASM_OUTPUT_MAX_SKIP_PAD): Likewise. * config/ia64/ia64.c (ia64_option_override): Set default values for alignment options. * config/m68k/m68k.c: Handle new str_align_* options. * config/mips/mips.c (mips_set_compression_mode): Change type of constants. (mips_option_override): Set default values for options. * config/powerpcspe/powerpcspe.c (rs6000_option_override_internal): Likewise. * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise. * config/rx/rx.c (rx_option_override): Likewise. * config/rx/rx.h (JUMP_ALIGN): Use align_jumps_log. (LABEL_ALIGN): Use align_labels_log. (LOOP_ALIGN): Use align_loops_align. * config/s390/s390.c (s390_asm_output_function_label): Use new macros. * config/sh/sh.c (sh_override_options_after_change): Change type of constants. * config/spu/spu.c (spu_sched_init): Likewise. * config/sparc/sparc.c (sparc_option_override): Set default values for options. * config/visium/visium.c (visium_option_override): Likewise. * config/visium/visium.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Do not emit p2align format with last argument if it's not needed. * doc/invoke.texi: Document extended format of -falign-*. * final.c: Use align_labels alignment. * flags.h (struct target_flag_state): Change type to use align_flags. (struct align_flags_tuple): New. (struct align_flags): Likewise. (align_loops_log): Redefine macro to use new types. (align_loops_max_skip): Redefine macro to use new types. (align_jumps_log): Redefine macro to use new types. (align_jumps_max_skip): Redefine macro to use new types. (align_labels_log): Redefine macro to use new types. (align_labels_max_skip): Redefine macro to use new types. (align_functions_log): Redefine macro to use new types. (align_loops): Redefine macro to use new types. (align_jumps): Redefine macro to use new types. (align_labels): Redefine macro to use new types. (align_functions): Redefine macro to use new types. (align_functions_max_skip): Redefine macro to use new types. (align_loops_value): New macro. (align_jumps_value): New macro. (align_labels_value): New macro. (align_functions_value): New macro. * function.c (invoke_set_current_function_hook): Propagate alignment values from flags to global variables default in topleev.h. * ipa-icf.c (sem_function::equals_wpa): Use cl_optimization_option_eq instead of memcmp. * lto-streamer.h (cl_optimization_stream_out): Support streaming of string types. (cl_optimization_stream_in): Likewise. * optc-save-gen.awk: Support strings in cl_optimization. * opth-gen.awk: Likewise. * opts.c (finish_options): Remove error checking of invalid value ranges. (MAX_CODE_ALIGN): Remove. (MAX_CODE_ALIGN_VALUE): Likewise. (parse_and_check_align_values): New function. (check_alignment_argument): Likewise. (common_handle_option): Use check_alignment_argument. * opts.h (parse_and_check_align_values): Declare. * toplev.c (init_alignments): Remove. (read_log_maxskip): New. (parse_N_M): Likewise. (parse_alignment_opts): Likewise. (backend_init_target): Remove usage of init_alignments. * toplev.h (parse_alignment_opts): Declare. * tree-streamer-in.c (streamer_read_tree_bitfields): Add new argument. * tree-streamer-out.c (streamer_write_tree_bitfields): Likewise. * tree.c (cl_option_hasher::equal): New. * varasm.c: Use new global macros. 2018-07-04 Denys Vlasenko * config/i386/dragonfly.h: (ASM_OUTPUT_MAX_SKIP_ALIGN): Use a simpler align directive also if MAXSKIP = ALIGN-1. * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise. * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove "If N is large, do at least 8 byte alignment" code. Add SUBALIGN_LOG define. Use a simpler align directive also if MAXSKIP = ALIGN-1. * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. 2018-07-04 Martin Liska Jonathan Wakely * coverage.c: Use correct type. * doc/invoke.texi: Language correction. 2018-07-03 H.J. Lu PR target/85620 * config/i386/i386.c (rest_of_insert_endbranch): Also generate ENDBRANCH for non-tail call which may return via indirect branch. * doc/extend.texi: Document indirect_return attribute. 2018-07-03 Martin Sebor PR tree-optimization/86274 * gimple-ssa-sprintf.c (fmtresult::type_max_digits): Verify precondition. (format_floating): Correct handling of infinities and NaNs. 2018-07-03 Martin Sebor * print-tree.c (print_real_cst): New function. (print_node_brief): Call it. (print_node): Ditto. 2018-07-03 Jeff Law * config/h8300/h8300.md (logical3_sn, logical3): Merge into a single pattern. * config/h8300/h8300.md (ors code_iterator): New. (bsetqi_msx, bnotqi_msx patterns and splitters): Consolidate into a single pattern and single splitter. (bsethi_msx, bnothi_msx patterns): Consolidate into a single pattern. (iorqi3_1, xorqi3_1): Likewise. (iorqi3, xorqi3 expanders): Similarly. * config/h8300/h8300.md (movmd_internal_normal): Consolidated with (movmd_internal) into a single pattern using the P mode iterator. (movmd splitters): Similarly. (stpcpy_internal_normal, stpcpy_internal): Similarly for thes patterns. (movsd splitters): Similarly. * config/h8300/h8300.c (h8300_insn_length_from_table): Consolidate ADDB, ADDW and ADDL into a single ADD attribute which selects the right table based on the size of the operand. * config/h8300/h8300.md (length_table): Corresponding changes. All references to "addb", "addw" and "addl" changed to "add". (btst patterns): Merge two variants into a single pattern. (tstqi, tsthi): Likewise. (addhi3_incdec, addsi3_incdec): Likewise. (subhi3_h8300hs, subsi3_h8300hs): Likewise. (mulhi3, mulsi3): Likewise. (udivhi3, udivsi3): Likewise. (divhi3, divsi3): Likewise. (andorqi3, andorhi3, andorsi3): Likewise. 2018-07-03 Uros Bizjak PR target/85694 * config/i386/sse.md (uavg3_ceil): New expander. (_uavg3): Simplify expander. 2018-07-03 Richard Sandiford PR tree-optimization/85694 * config/aarch64/iterators.md (HADD, RHADD): New int iterators. (u): Handle UNSPEC_SHADD, UNSPEC_UHADD, UNSPEC_SRHADD and UNSPEC_URHADD. * config/aarch64/aarch64-simd.md (avg3_floor) (avg3_ceil): New patterns. 2018-07-03 David Malcolm * gcc.dg/vect/slp-perm-1.c: Remove "note: " prefix from scan-tree-dump directive. * gcc.dg/vect/slp-perm-2.c: Likewise. * gcc.dg/vect/slp-perm-3.c: Likewise. * gcc.dg/vect/slp-perm-5.c: Likewise. * gcc.dg/vect/slp-perm-6.c: Likewise. * gcc.dg/vect/slp-perm-7.c: Likewise. * gcc.dg/vect/slp-perm-8.c: Likewise. 2018-07-03 Marek Polacek PR middle-end/86202 * gimple-fold.c (size_must_be_zero_p): Check the type of the size. 2018-07-03 Richard Biener PR ipa/86389 * tree-ssa-structalias.c (find_func_clobbers): Properly handle indirect calls. 2018-07-03 Jeff Law * config/h8300/h8300.md (HSI, QHSI, QHSIF): New mode iterators. (shifts): New code iterator. (movqi, movhi, movsi, movsf expanders): Consolidate into a single expander. Fix HImode handling on H8/SX. (addqi3, addhi3, addsi3 expanders): Consolidate into a single expander. (subqi3, subhi3, subsi3 expanders): Likewise. (andqi3, andhi3, andsi3 expanders): Likewise. (iorqi3, iorhi3, iorsi3 expanders): Likewise. (xorqi3, xorhi3, xorsi3 expanders): Likewise. (negqi2, neghi2, negsi2, negsf2 expanders): Likewise. (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise. (zero_extendqihi2, zero_extendqisi2): Likewise. (extendqihi2, extendqisi2): Likewise. (rotlqi3, rotlhi3, rotlsi3): Likewise. (neghi2_h8300, negsi2_h8300): Likewise for these patterns. (rotlqi3_1, rotlhi3_1): Likewise. (logicalhi3_sn, logicalsi3_sn): Likewise. (logicalhi3, logicalsi3): Likewise. 2018-07-03 Richard Sandiford * tree-vect-patterns.c (vect_recog_rotate_pattern) (vect_recog_vector_vector_shift_pattern, vect_recog_divmod_pattern) (vect_recog_mixed_size_cond_pattern, adjust_bool_pattern_cast) (adjust_bool_pattern, vect_recog_bool_pattern): Pass the vector type to append_pattern_def_seq instead of creating a stmt_vec_info directly. (build_mask_conversion): Likewise. Remove vinfo argument. (vect_add_conversion_to_patterm): Likewise, renaming to... (vect_add_conversion_to_pattern): ...this. (vect_recog_mask_conversion_pattern): Update call to build_mask_conversion. Pass the vector type to append_pattern_def_seq here too. (vect_recog_gather_scatter_pattern): Update call to vect_add_conversion_to_pattern. 2018-07-03 Richard Sandiford * tree-vect-patterns.c (new_pattern_def_seq): Delete. (vect_recog_dot_prod_pattern, vect_recog_sad_pattern) (vect_recog_widen_op_pattern, vect_recog_over_widening_pattern) (vect_recog_rotate_pattern, vect_synth_mult_by_constant): Don't set STMT_VINFO_PATTERN_DEF_SEQ to null here. (vect_recog_pow_pattern, vect_recog_vector_vector_shift_pattern) (vect_recog_mixed_size_cond_pattern, vect_recog_bool_pattern): Use append_pattern_def_seq instead of new_pattern_def_seq. (vect_recog_divmod_pattern): Do both of the above. (vect_pattern_recog_1): Assert that STMT_VINO_PATTERN_DEF_SEQ is null. 2018-07-03 Richard Sandiford * tree-vect-patterns.c (vect_recog_dot_prod_pattern): (vect_recog_sad_pattern, vect_recog_widen_op_pattern) (vect_recog_widen_mult_pattern, vect_recog_pow_pattern): (vect_recog_widen_sum_pattern, vect_recog_over_widening_pattern) (vect_recog_average_pattern, vect_recog_cast_forwprop_pattern) (vect_recog_widen_shift_pattern, vect_recog_rotate_pattern) (vect_recog_vector_vector_shift_pattern, vect_synth_mult_by_constant) (vect_recog_mult_pattern, vect_recog_divmod_pattern) (vect_recog_mixed_size_cond_pattern, vect_recog_bool_pattern) (vect_recog_mask_conversion_pattern): Replace vec parameter with a single stmt_vec_info. (vect_recog_func_ptr): Likewise. (vect_recog_gather_scatter_pattern): Likewise, folding in... (vect_try_gather_scatter_pattern): ...this. (vect_pattern_recog_1): Remove stmts_to_replace and just pass the stmt_vec_info of the statement to be matched. Don't clear STMT_VINFO_RELATED_STMT. (vect_pattern_recog): Update call accordingly. 2018-07-03 Richard Sandiford PR tree-optimization/85694 * doc/md.texi (avgM3_floor, uavgM3_floor, avgM3_ceil) (uavgM3_ceil): Document new optabs. * doc/sourcebuild.texi (vect_avg_qi): Document new target selector. * internal-fn.def (IFN_AVG_FLOOR, IFN_AVG_CEIL): New internal functions. * optabs.def (savg_floor_optab, uavg_floor_optab, savg_ceil_optab) (savg_ceil_optab): New optabs. * tree-vect-patterns.c (vect_recog_average_pattern): New function. (vect_vect_recog_func_ptrs): Add it. * tree-vect-stmts.c (vectorizable_call): Get the type of the zero constant directly from the associated lhs. 2018-07-03 Richard Sandiford * tree-vect-patterns.c (vect_split_statement): New function. (vect_convert_input): Use it to try to split an existing cast. 2018-07-03 Richard Sandiford * poly-int.h (print_hex): New function. * dumpfile.h (dump_dec, dump_hex): Declare. * dumpfile.c (dump_dec, dump_hex): New poly_wide_int functions. * tree-vectorizer.h (_stmt_vec_info): Add min_output_precision, min_input_precision, operation_precision and operation_sign. * tree-vect-patterns.c (vect_get_range_info): New function. (vect_same_loop_or_bb_p, vect_single_imm_use) (vect_operation_fits_smaller_type): Delete. (vect_look_through_possible_promotion): Add an optional single_use_p parameter. (vect_recog_over_widening_pattern): Rewrite to use new stmt_vec_info infomration. Handle one operation at a time. (vect_recog_cast_forwprop_pattern, vect_narrowable_type_p) (vect_truncatable_operation_p, vect_set_operation_type) (vect_set_min_input_precision): New functions. (vect_determine_min_output_precision_1): Likewise. (vect_determine_min_output_precision): Likewise. (vect_determine_precisions_from_range): Likewise. (vect_determine_precisions_from_users): Likewise. (vect_determine_stmt_precisions, vect_determine_precisions): Likewise. (vect_vect_recog_func_ptrs): Put over_widening first. Add cast_forwprop. (vect_pattern_recog): Call vect_determine_precisions. 2018-07-03 Richard Sandiford * tree-vect-patterns.c (vect_mark_pattern_stmts): Remove pattern statements that have been replaced by further pattern statements. (vect_pattern_recog_1): Clear STMT_VINFO_PATTERN_DEF_SEQ on failure. 2018-07-03 Richard Biener * tree-vect-stmts.c (vect_is_simple_use): Consolidate dumping, always set *dt. Dump vectype in vectype overload. * dumpfile.h (dump_gimple_expr): New function. (dump_gimple_expr_loc): Likewise. * dumpfile.c (dump_gimple_expr): New function. (dump_gimple_expr_loc): Likewise. 2018-07-02 Jeff Law * config/h8300/h8300.md (movqi_h8300, movqi_h8300hs): Consolidate the H8/300, H8/300H and H8/S variants into a single pattern. (movhi_h8300, movqi_h8300hs): Similarly. (pushqi_h8300hs, pushhi_h8300hs): Consolidate into a single pattern. (QHI mode iterator): New. * config/h8300/h8300.md: Remove trailing whitespace. 2018-07-02 Jim Wilson * config/riscv/riscv.c (riscv_expand_epilogue): Use emit_jump_insn instead of emit_insn for interrupt returns. * config/riscv/riscv.md (riscv_met): Add (return) to rtl. (riscv_sret, riscv_uret): Likewise. 2018-07-02 David Malcolm * pretty-print.c (selftest::test_pp_format): Move save and restore of quotes to class auto_fix_quotes, and add an instance. * selftest.c: Include "intl.h". (selftest::auto_fix_quotes::auto_fix_quotes): New ctor. (selftest::auto_fix_quotes::~auto_fix_quotes): New dtor. * selftest.h (selftest::auto_fix_quotes): New class. 2018-07-02 Richard Henderson * config/aarch64/aarch64-protos.h, config/aarch64/aarch64.c (aarch64_sve_prepare_conditional_op): Remove. * config/aarch64/aarch64-sve.md (cond_): Allow aarch64_simd_reg_or_zero as select operand; remove the aarch64_sve_prepare_conditional_op call. (cond_): Likewise. (cond_): Likewise. (*cond__z): New pattern. (*cond__z): New pattern. (*cond__z): New pattern. (*cond__any): New pattern. (*cond__any): New pattern. (*cond__any): New pattern and a splitters to match all of the *_any patterns. * config/aarch64/predicates.md (aarch64_sve_any_binary_operator): New. * config/aarch64/iterators.md (SVE_INT_BINARY_REV): Remove. (SVE_COND_FP_BINARY_REV): Remove. (sve_int_op_rev, sve_fp_op_rev): New. * config/aarch64/aarch64-sve.md (*cond__0): New. (*cond__0): New. (*cond__0): New. (*cond__2): Rename, add movprfx alternative. (*cond__2): Similarly. (*cond__2): Similarly. (*cond__3): Similarly; use sve_int_op_rev. (*cond__3): Similarly. (*cond__3): Similarly; use sve_fp_op_rev. * config/aarch64/aarch64-sve.md (cond_): Remove match_dup 1 from the inner unspec. (*cond_): Likewise. * config/aarch64/aarch64.md (movprfx): New attr. (length): Default movprfx to 8. * config/aarch64/aarch64-sve.md (*mul3): Add movprfx alt. (*madd, *msubmul3_highpart): Likewise. (*3): Likewise. (*v3): Likewise. (*3): Likewise. (*3): Likewise. (*fma4, *fnma4): Likewise. (*fms4, *fnms4): Likewise. (*div4): Likewise. 2018-07-02 Richard Sandiford * tree-vect-patterns.c (vect_recog_widen_shift_pattern): Fix typo in dump string. 2018-07-02 Richard Biener PR tree-optimization/86363 * tree-ssa-sccvn.c (vn_reference_lookup_3): Check the memset argument refers to a non-variable address. 2018-07-02 Aldy Hernandez * tree-vrp.c (extract_range_from_binary_expr_1): Abstract a lot of the {PLUS,MINUS}_EXPR code to... (adjust_symbolic_bound): ...here, (combine_bound): ...here, (set_value_range_with_overflow): ...and here. 2018-07-02 Aldy Hernandez * tree-vrp.c (extract_range_from_unary_expr): Abstract ABS_EXPR code... (extract_range_from_abs_expr): ...here. 2018-07-02 Eric Botcazou * config/i386/i386.c (ix86_finalize_stack_frame_flags): Do not overrule -fno-omit-frame-pointer when not optimizing. 2018-07-02 Martin Liska PR ipa/86279 * ipa-pure-const.c (malloc_candidate_p): Revert usage of ::get. (propagate_nothrow): Likewise. 2018-07-02 Martin Liska PR ipa/86323 * ipa-inline.c (early_inliner): Revert wrongly added ::get call. 2018-07-02 David Malcolm * dumpfile.c (dump_generic_expr_loc): Undo removal of this function in r262149, changing "loc" param from source_location to const dump_location_t &. * dumpfile.h (dump_generic_expr_loc): Undo removal of this declaration, as above. 2018-07-01 Paul Koning * common/config/pdp11/pdp11-common.c (pdp11_handle_option): Handle -munit-asm, -mgnu-asm, -mdec-asm. * config/pdp11/pdp11-protos.h (pdp11_gen_int_label): New. (pdp11_output_labelref): New. (pdp11_output_def): New. (pdp11_output_addr_vec_elt): New. * config/pdp11/pdp11.c: Use tab between opcode and operands. Use %# and %@ format codes. (pdp11_option_override): New. (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Define. (pdp11_output_ident): New. (pdp11_asm_named_section): New. (pdp11_asm_init_sections): New. (pdp11_file_start): New. (pdp11_file_end): New. (output_ascii): Use .ascii/.asciz for -mdec-asm. (pdp11_asm_print_operand): Update %# and %$ for -mdec-asm. Add %o, like %c but octal. (pdp11_option_override): New. * config/pdp11/pdp11.h (TEXT_SECTION_ASM_OP): Update for -mdec-asm. (DATA_SECTION_ASM_OP): Ditto. (READONLY_DATA_SECTION_ASM_OP): New. (IS_ASM_LOGICAL_LINE_SEPARATOR): New. (ASM_GENERATE_INTERNAL_LABEL): Use new function. (ASM_OUTPUT_LABELREF): Ditto. (ASM_OUTPUT_DEF): Ditto. (ASM_OUTPUT_EXTERNAL): New. (ASM_OUTPUT_SOURCE_FILENAME): New. (ASM_OUTPUT_ADDR_VEC_ELT): Use new function. (ASM_OUTPUT_SKIP): Update for -mdec-asm. * config/pdp11/pdp11.md: Use tab between opcode and operands. Use %# and %@ format codes. * config/pdp11/pdp11.opt (mgnu-asm): New. (mdec-asm): Conflicts with -mgnu-asm and -munix-asm. (munix-asm): Conflicts with -mdec-asm and -mgnu-asm. * doc/invoke.txt (PDP-11 Options): Add -mgnu-asm. 2018-07-01 Aldy Hernandez * tree-ssa-threadupdate.c (mark_threaded_blocks): Avoid dereferencing path[] beyond its length. (debug_path): New. (debug_all_paths): New. (rewire_first_differing_edge): New. (adjust_paths_after_duplication): New. (duplicate_thread_path): Call adjust_paths_after_duplication. Add new argument. (thread_through_all_blocks): Add new argument to duplicate_thread_path. 2018-06-30 Jim Wilson * config/riscv/predicates.md (p2m1_shift_operand): New. (high_mask_shift_operand): New. * config/riscv/riscv.md (lshrsi3_zero_extend_3+1): New combiner pattern using p2m1_shift_operand. (lshsi3_zero_extend_3+2): New combiner pattern using high_mask_shift_operand. 2018-06-30 Richard Sandiford * tree-vect-patterns.c (vect_get_external_def_edge): New function, split out from... (vect_recog_rotate_pattern): ...here. (vect_convert_input): Try to insert casts of invariants in the preheader. * tree-vect-loop-manip.c (vect_loop_versioning): Don't require the preheader to be empty. 2018-06-30 Richard Sandiford * tree-vect-patterns.c (append_pattern_def_seq): Take an optional vector type. If given, install it in the new statement's STMT_VINFO_VECTYPE. (vect_element_precision): New function. (vect_unpromoted_value): New struct. (vect_unpromoted_value::vect_unpromoted_value): New function. (vect_unpromoted_value::set_op): Likewise. (vect_look_through_possible_promotion): Likewise. (vect_joust_widened_integer, vect_joust_widened_type): Likewise. (vect_widened_op_tree, vect_convert_input): Likewise. (vect_convert_inputs, vect_convert_output): Likewise. (vect_recog_dot_prod_pattern): Use vect_look_through_possible_promotion to handle the optional cast of the multiplication result and vect_widened_op_tree to detect the widened multiplication itself. Do not require the input and output of promotion casts to have the same sign, but base the signedness of the operation on the input rather than the result. If the pattern includes two promotions, check that those promotions have the same sign. Do not restrict the MULT_EXPR handling to a double-width result; handle quadruple-width results and wider. Use vect_convert_inputs to convert the inputs to the common type. (vect_recog_sad_pattern): Use vect_look_through_possible_promotion to handle the optional cast of the ABS result. Also allow a sign change or a sign extension between the ABS and MINUS. Use vect_widened_op_tree to detect the widened subtraction and use vect_convert_inputs to convert the inputs to the common type. (vect_handle_widen_op_by_const): Delete. (vect_recog_widen_op_pattern): New function. (vect_recog_widen_mult_pattern): Use it. (vect_recog_widen_shift_pattern): Likewise. (vect_recog_widen_sum_pattern): Use vect_look_through_possible_promotion to handle the promoted PLUS_EXPR operand. 2018-06-30 Richard Sandiford * gimple-iterator.c (gsi_for_stmt): Add a new overload that takes the containing gimple_seq *. * gimple-iterator.h (gsi_for_stmt): Declare it. * tree-vect-patterns.c (vect_recog_dot_prod_pattern) (vect_recog_sad_pattern, vect_recog_widen_sum_pattern) (vect_recog_widen_shift_pattern, vect_recog_rotate_pattern) (vect_recog_vector_vector_shift_pattern, vect_recog_divmod_pattern) (vect_recog_mask_conversion_pattern): Remove STMT_VINFO_IN_PATTERN_P checks. (vect_init_pattern_stmt, vect_set_pattern_stmt): New functions, split out from... (vect_mark_pattern_stmts): ...here. Handle cases in which the statement being replaced is part of an existing pattern definition sequence, inserting the new pattern statements before the original one. (vect_pattern_recog_1): Don't return a bool. If the statement is already part of a pattern, instead apply pattern matching to the pattern definition statements. Don't clear the STMT_VINFO_RELATED_STMT if is_pattern_stmt_p. (vect_pattern_recog): Don't break after the first match; continue processing the pattern definition statements instead. Don't bail out for STMT_VINFO_IN_PATTERN_P here. 2018-06-30 Richard Sandiford * tree-vect-patterns.c (vect_reassociating_reduction_p): New function. (vect_recog_dot_prod_pattern, vect_recog_sad_pattern) (vect_recog_widen_sum_pattern): Use it. 2018-06-30 Richard Sandiford * tree-vect-loop.c (vectorizable_reduction): Assert that the phi is not a pattern statement and has not been replaced by a pattern statement. * tree-vect-patterns.c (type_conversion_p): Don't check STMT_VINFO_IN_PATTERN_P. (vect_recog_vector_vector_shift_pattern): Likewise. (vect_recog_dot_prod_pattern): Expect vect_is_simple_use to return the pattern statement rather than the original statement; check directly for a WIDEN_MULT_EXPR here. * tree-vect-slp.c (vect_get_and_check_slp_defs): Expect vect_is_simple_use to return the pattern statement rather than the original statement; use is_pattern_stmt_p to check for such a pattern statement. * tree-vect-stmts.c (process_use): Expect vect_is_simple_use to return the pattern statement rather than the original statement; don't do the same transformation here. (vect_is_simple_use): If the defining statement has been replaced by a pattern statement, return the pattern statement instead. Remove the corresponding (local) transformation from the vectype overload. 2018-06-30 Richard Sandiford * tree-vectorizer.h (vect_is_simple_use): Move the gimple ** to the end and default to null. * tree-vect-loop.c (vect_create_epilog_for_reduction) (vectorizable_reduction): Update calls accordingly, dropping the gimple ** argument if the passed-back statement isn't needed. * tree-vect-patterns.c (vect_get_internal_def, type_conversion_p) (vect_recog_rotate_pattern): Likewise. (vect_recog_mask_conversion_pattern): Likewise. * tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise. (vect_mask_constant_operand_p): Likewise. * tree-vect-stmts.c (is_simple_and_all_uses_invariant, process_use): (vect_model_simple_cost, vect_get_vec_def_for_operand): Likewise. (get_group_load_store_type, get_load_store_type): Likewise. (vect_check_load_store_mask, vect_check_store_rhs): Likewise. (vectorizable_call, vectorizable_simd_clone_call): Likewise. (vectorizable_conversion, vectorizable_assignment): Likewise. (vectorizable_shift, vectorizable_operation): Likewise. (vectorizable_store, vect_is_simple_cond): Likewise. (vectorizable_condition, vectorizable_comparison): Likewise. (get_same_sized_vectype, vect_get_mask_type_for_stmt): Likewise. (vect_is_simple_use): Rename the def_stmt argument to def_stmt_out and move it to the end. Cope with null def_stmt_outs. 2018-06-30 Bernd Edlinger * Makefile.in (FLAGS_TO_PASS): Add RANLIB_FOR_TARGET. 2018-06-29 Jeff Law * config/v850/v850.c (v850_legitimate_address_p): Handle large displacements for TARGET_V850E2V3 and newer. (TARGET_LRA_P): Remove. Defaults to LRA now. * config/v850/v850.md (sign23byte_load): Remove. (unsign23byte_load, sign23hword_load, unsign23hword_load): Likewise. (23word_load, 23byte_store, 23hword_store, 23word_store): Likewise. 2018-06-29 Martin Liska PR lto/85759 * coverage.c (coverage_init): Mangle full path name. * doc/invoke.texi: Document the change. * gcov-io.c (mangle_path): New. * gcov-io.h (mangle_path): Likewise. * gcov.c (mangle_name): Use mangle_path for path mangling. 2018-06-29 Kyrylo Tkachov * config/arm/arm.c (output_move_double): Don't allow STRD instructions if starting source register is not even. 2018-06-29 Martin Liska PR tree-optimization/86263 * tree-switch-conversion.c (switch_decision_tree::try_switch_expansion): Make edge redirection. 2018-06-29 David Malcolm * dumpfile.c (dump_loc): Add indentation based on scope depth. (dump_scope_depth): New variable. (get_dump_scope_depth): New function. (dump_begin_scope): New function. (dump_end_scope): New function. * dumpfile.h (get_dump_scope_depth): New declaration. (dump_begin_scope): New declaration. (dump_end_scope): New declaration. (class auto_dump_scope): New class. (AUTO_DUMP_SCOPE): New macro. * tree-vectorizer.h (DUMP_VECT_SCOPE): Reimplement in terms of AUTO_DUMP_SCOPE. 2018-06-29 Richard Biener * tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Assert compute_all_dependences succeeds. * tree-vect-loop.c (vect_get_datarefs_in_loop): Fail early if we exceed --param loop-max-datarefs-for-datadeps. 2018-06-29 Jakub Jelinek * config/rs6000/t-rs6000: Append rs6000-modes.h to TM_H. 2018-06-28 Uros Bizjak PR target/86348 * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): Use alternative 0 in preferred_for_speed attribute. 2018-06-28 Paul Koning * config/pdp11/pdp11-protos.h (pdp11_shift_length): New function. * config/pdp11/pdp11.c (pdp11_shift_length): New function. * config/pdp11/pdp11.h (ADJUST_INSN_LENGTH): Remove. * config/pdp11/pdp11.md: Correct "length" attribute calculation for shift insn patterns. 2018-06-28 David Malcolm * cgraph.c (cgraph_node::get_body): Replace assignments to "dump_file" with calls to set_dump_file. * dumpfile.c (alt_dump_file): Make static, and group with... (alt_flags): ...this definition. (dumps_are_enabled): New variable. (refresh_dumps_are_enabled): New function. (set_dump_file): New function. (set_alt_dump_file): New function. (gcc::dump_manager::dump_start): Replace assignments to "dump_file" and "alt_dump_file" with calls to set_dump_file and set_alt_dump_file. (gcc::dump_manager::dump_finish): Likewise. * dumpfile.h (alt_dump_file): Delete decl. (dumps_are_enabled): New variable decl. (set_dump_file): New function decl. (dump_enabled_p): Rewrite in terms of new "dumps_are_enabled" global. * tree-nested.c (lower_nested_functions): Replace assignments to "dump_file" with calls to set_dump_file. 2018-06-28 Eric Botcazou * tree-cfg.c (verify_gimple_in_cfg): Call verify_location on the goto_locus of each outgoing edge of each basic block. 2018-06-28 Richard Biener * dwarf2out.c (decl_scope_table): Remove. (push_decl_scope): Likewise. (pop_decl_scope): Likewise. (gen_type_die_for_member): Do not call push/pop_decl_scope. (gen_struct_or_union_type_die): Likewise. (gen_tagged_type_die): Likewise. (dwarf2out_init): Do not initialize decl_scope_table. (dwarf2out_c_finalize): Do not free it. 2018-06-28 Richard Biener * dwarf2out.c (gen_subprogram_die): Use is_unit_die when deciding whether to not re-use a DIE. 2018-06-28 Richard Biener * dwarf2out.c (gen_subprogram_die): Always re-use DIEs with an DW_AT_abstract_origin attribute. 2018-06-28 Martin Liska * tree-switch-conversion.c (jump_table_cluster::can_be_handled): Use newly introduced constants. * tree-switch-conversion.h (struct jump_table_cluster): Define max_ratio_for_size and max_ratio_for_speed. 2018-06-28 Martin Liska * tree-switch-conversion.c (jump_table_cluster::find_jump_tables): Add new checking assert to catch invalid state. (jump_table_cluster::can_be_handled): Handle single case clusters. (jump_table_cluster::is_beneficial): Bail out for such case. (bit_test_cluster::find_bit_tests): Add new checking assert to catch invalid state. (bit_test_cluster::can_be_handled): Handle single case clusters. (bit_test_cluster::is_beneficial): Bail out for such case. (switch_decision_tree::analyze_switch_statement): Fix comment. 2018-06-28 Martin Liska * common.opt: Introduce -completion option. * gcc.c (driver_handle_option): Handle it. (driver::main): Print completions if completion is set. * opt-suggestions.c (option_proposer::get_completions): New function. (option_proposer::suggest_completion): Likewise. (option_proposer::find_param_completions): Likewise. (verify_autocompletions): Likewise. (test_completion_valid_options): Likewise. (test_completion_valid_params): Likewise. (in_completion_p): Likewise. (empty_completion_p): Likewise. (test_completion_partial_match): Likewise. (test_completion_garbage): Likewise. (opt_proposer_c_tests): Likewise. * opt-suggestions.h: Declare new functions. * opts.c (common_handle_option): Handle OPT__completion_. * selftest-run-tests.c (selftest::run_tests): Add opt_proposer_c_tests. * selftest.c (assert_str_startswith): New. * selftest.h (assert_str_startswith): Likewise. (opt_proposer_c_tests): New. (ASSERT_STR_STARTSWITH): Likewise. 2018-06-28 Martin Liska * Makefile.in: Add opt-suggestions.o. * gcc-main.c: Include opt-suggestions.h. * gcc.c (driver::driver): Likewise. (driver::~driver): Remove m_option_suggestions. (driver::build_option_suggestions): Moved to option_proposer. (driver::suggest_option): Likewise. (driver::handle_unrecognized_options): Use option_proposer. * gcc.h (class driver): Add new memver m_option_proposer. * opt-suggestions.c: New file. * opt-suggestions.h: New file. 2018-06-28 Martin Liska * vec.h (class auto_string_vec): New (moved from auto_argvec). (auto_string_vec::~auto_string_vec): Likewise. 2018-06-28 Eric Botcazou * tree-inline.h (struct copy_body_data): Move remapping_type_depth and prevent_decl_creation_for_types fields up and add reset_location field. * tree-inline.c (remap_gimple_stmt): Force input_location on the new statement if id->reset_location is true. (copy_edges_for_bb): Do not set goto_locus on the new edges if id->reset_location is true. (copy_phis_for_bb): Force input_location on the arguments if id->reset_location is true. (expand_call_inline): Set id->reset_location if DECL_IGNORED_P is set on the function to be inlined. 2018-06-27 Stephan Bergmann * doc/invoke.texi (Debugging Options): Add -gsplit-dwarf. 2018-06-27 Dimitar Dimitrov * lra-eliminations.c (update_reg_eliminate): Mark all spanning hard registers for Pmode. * lra-lives.c (check_pseudos_live_through_calls): Mark all spanning hard registers for the clobbered pseudo. 2018-06-27 Paul Koning * common/config/pdp11/pdp11-common.c (pdp11_handle_option): Handle mutually exclusive options. * config/pdp11/constraints.md (h): New constraint. (O): Update definition to match shift code generation. (D): New constraint. * config/pdp11/pdp11-modes.def (CCNZ): Define mode. (CCFP): Remove. * config/pdp11/pdp11-protos.h (int_no_side_effect_operand): New function. (output_jump): Change arguments. (pdp11_fixed_cc_regs): New function. (pdp11_cc_mode): Ditto. (pdp11_expand_shift): Ditto. (pdp11_assemble_shift): Ditto. (pdp11_small_shift): Ditto. (pdp11_branch_cost): Remove. * config/pdp11/pdp11.c (pdp11_assemble_integer): Remove comments from output. (pdp11_register_move_cost): Update for CC registers. (pdp11_rtx_costs): Add case for LSHIFTRT. (pdp11_output_jump): Add CCNZ mode conditional branches. (notice_update_cc_on_set): Remove. (pdp11_cc_mode): New function. (simple_memory_operand): Correct pre/post decrement case. (no_side_effect_operand): New function. (pdp11_regno_reg_class): Add CC_REGS class. (pdp11_fixed_cc_regs): New function. (pdp11_small_shift): New function. (pdp11_expand_shift): New function to expand shift insns. (pdp11_assemble_shift): New function to output shifts. (pdp11_branch_cost): Remove. (pdp11_modes_tieable_p): Make QI/HI modes tieable. * config/pdp11/pdp11.h (SIZE_TYPE): Ensure 16-bit type. (WCHAR_TYPE): Ditto. (PTRDIFF_TYPE): Ditto. (ADJUST_INSN_LENGTH): New macro. (FIXED_REGISTERS): Add CC registers. (CALL_USED_REGISTERS): Ditto. (reg_class): Ditto. (REG_CLASS_NAMES): Ditto. (REG_CLASS_CONTENTS): Ditto. (SELECT_CC_MODE): Use new function. (TARGET_FLAGS_REGNUM): New macro. (TARGET_FIXED_CONDITION_CODE_REGS): Ditto. (cc0_reg_rtx): Remove. (CC_STATUS_MDEP): Remove. (CC_STATUS_MDEFP_INIT): Remove. (CC_IN_FPU): Remove. (NOTICE_UPDATE_CC): Remove. (REGISTER_NAMES): Add CC registers. (BRANCH_COST): Change to constant 1. * config/pdp11/pdp11.md: Rewrite for CCmode condition code handling. * config/pdp11/pdp11.opt (mbcopy): Remove. (mbcopy-builtin): Remove. (mbranch-cheap): Remove. (mbranch-expensive): Remove. * config/pdp11/predicates.md (expand_shift_operand): Update to match shift code generation. (ccnz_operator): New predicate. * doc/invoke.texi (PDP-11 Options): Remove deleted options -mbcopy, -mbcopy-builtin, -mbranch-cheap, -mbranch-expensive. Remove non-existent option -mabshi, -mno-abshi. Document mutually exclusive options. * doc/md.texi (PDP-11): Document new D and h constraints. Update description of O constraint. 2018-06-27 Jeff Law Austin Law * config/v850/v850.md (addsi3_set_flags): New pattern. (subsi3_set_flags, negsi2_set_flags, andsi3_set_flags): Likewise. (iorsi3_set_flags, xorsi3_set_flags, one_cmplsi2_set_flags): Likewise. (zero_extendhisi2_v850_set_flags): Likewise. (zero_extendqisi2_v850_set_flags): Likewise. (ashlsi3_set_flags, ashlsi3_v850e2_set_flags): Likewise. (lshrsi3_set_flags, lshrsi3_v850e2_set_flags): Likewise. (ashrsi3_set_flags, ashrsi3_v850e2_set_flags): Likewise. * config/v850/v850-protos.h (notice_update_cc): Remove. * config/v850/v850.c (v850_compare_op0, v850_compare_op1): Remove. (v850_print_operand): Handle 'D' and "d". (v850_select_cc_mode): Remove ATTRIBUTE_UNUSED for last argument. Add handling of arithmetic/logical operations compared against zero. (v850_gen_float_compare): Remove ATTRIBUTE_UNUSED for last argument. Do not look at v850_compare_op, instead get mode from last argument. (v850_gen_compare): Remove (increment_stack): Use addsi3_clobber_flags to avoid splitting failure after reload for prologue insns. (expand_prologue): Account for CLOBBER of CC_REGNUM in various patterns. (construct_save_jarl): Likewise. (TARGET_FLAGS_REGNUM): Define. * config/v850/v850.h (v850_compare_op0, v850_compare_op1): Remove. (NOTICE_UPDATE_CC): Remove. * config/v850/v850.md (v850_tst1): Use (reg:CCZ CC_REGNUM) rather than cc0. Conditionalize on reload_completed. (cmpsi_insn, setfcc_insn): Likewise. (tst1 splitter): Turn into define_and_split which sets the flags after reload. (cstoresi4, cbranchsf4, cbranchdf4, cbranchsi4_insn): Likewise. (cbranchsi4, branch_normal, branch_invert): Do not expose cc0 here. (cstoresf4, cstoredf4): Clobber the flags. (cmpsi, cmpsf, cmpdf): Remove expanders. (setf_insn): Remove pattern. (addsi3): Turn into define_and_split which clobbers the flags after reload and a suitable pattern (addsi3_clobber_flags) for use after reload. (subsi3, negsi2, andsi3, iorsi3, xorsi3, one_cmplsi2) Likewise. (ashlsi3, ashlsi3_v850e2, lshrsi3, lsh4si3_v850e2): Likewise. (ashrsi3, ashrsi3_v850e2): Likewise. (bins): Clobber the flags. (movsicc_normal_cc, movsicc_normal, movsicc_tst1): Likewise. (movsicc_tst1_revesed, sasf, swap and rotate patterns): Likewise. (fix_loop_counter, call_internal_short, call_internal_long): Likewise. (call_value_internal_short, call_value_internal_long): Likewise. (callt_save_interrupt, callt_return_interrupt): Likewise. (save_interrupt, return_interrupt): Likewise. (callt_save_all_interrupt, save_all_interrupt): Likewise. (_save_all_interrupt, callt_restore_all_interrupt): Likewise. (restore_all_interrupt, _restore_all_interrupt): Likewise. (All FP comparisons): Only allow after reload has completed. (trfsr): Likewise. (divh, divhu): Tweak output template. (branch_z_normal, branch_z_invert): Remove (branch_nz_normal, branch_nz_invert): Likewise. (extendhisi_insn, extendqisi_insn): Do not clobber flags. * config/v850/v850-modes.def (CCZ, CCNZ): Add new modes. * config/v850/v850.c (notice_update_cc): Remove. * config/v850/v850.h (CC_OVERFLOW_UNUSABLE): Remove (CC_NO_CARRY): Likewise. (NOTICE_UPDATE_CC): Define to nothing. * config/v850/v850.md: Remove block comment on cc0 handling Remove "cc" attribute from all patterns. Remove cc_status handling from all patterns. Minor formatting fixes. 2018-06-27 Kyrylo Tkachov * config/aarch64/aarch64-cores.def (cortex-a76): New entry. (cortex-a76.cortex-a55): Likewise. * config/aarch64/aarch64-tune.md: Regenerate. * doc/invoke.texi (AArch64 Options): Document cortex-a76 and cortex-a76.cortex-a55. 2018-06-27 Jeff Law * config/v850/t-v850 (MULTILIB_OPTIONS): Remove 8byte-align. (MULTILIB_DIRNAMES): Similarly. 2018-06-27 Eric Botcazou * gimple.h (gimple_return_retbnd): Delete. (gimple_return_set_retbnd): Likewise. * cgraphunit.c (cgraph_node::expand_thunk): Remove call to gimple_return_set_retbnd. * gimple-pretty-print.c (dump_gimple_return): Remove call to gimple_return_retbnd and adjust. * tree-inline.h (struct copy_body_data): Remove retbnd field. * tree-inline.c (remap_gimple_stmt): Remove handling of retbnd. Explicitly return NULL in a couple more cases. Move assertion on debug statements and remove unreachable code. (reset_debug_binding): Do not test id->retbnd. (expand_call_inline): Do not set it. 2018-06-27 Rasmus Villemoes * configure.ac: Add --disable-gcov option. * configure: Regenerate. * Makefile.in: Honour @enable_gcov@. * doc/install.texi: Document --disable-gcov. 2018-06-27 Kyrylo Tkachov * config/arm/arm-cpus.in (cortex-a76): New entry. (cortex-a76.cortex-a55): Likewise. * config/arm/arm-tables.opt: Regenerate. * config/arm/arm-tune.md: Likewise. * config/arm/driver-arm.c (arm_cpu_table): Add Cortex-A76 entry. * doc/invoke.texi (ARM Options): Document cortex-a76 and cortex-a76.cortex-a55. 2018-06-27 Tamar Christina PR target/85769 * config/aarch64/aarch64.md (*movhf_aarch64): Add dup v0.4h pattern. 2018-06-27 Siddhesh Poyarekar * config/aarch64/aarch64.h (CALL_USE_REGISTERS): Fix obsolete comment. (EPILOGUE_USES): Likewise. 2018-06-26 Eric Botcazou * tree-inline.c (remap_location): New function extracted from... (copy_edges_for_bb): Add ID parameter. Remap goto_locus. (copy_phis_for_bb): ...here. Call remap_location. (copy_cfg_body): Adjust call to copy_edges_for_bb. 2018-06-26 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_clear): Don't use unaligned vsx for 16B memset. 2018-06-26 Segher Boessenkool PR target/86285 * config/rs6000/rs6000.c (rs6000_init_builtins): Do not set ieee128_float_type_node to long_double_type_node unless TARGET_LONG_DOUBLE_128 is set. 2018-06-26 David Malcolm * cfgloop.c (get_loop_location): Convert return type from location_t to dump_user_location_t, replacing INSN_LOCATION lookups by implicit construction from rtx_insn *, and using dump_user_location_t::from_function_decl for the fallback case. * cfgloop.h (get_loop_location): Convert return type from location_t to dump_user_location_t. * cgraphunit.c (walk_polymorphic_call_targets): Update call to dump_printf_loc to pass in a dump_location_t rather than a location_t, via the gimple stmt. * coverage.c (get_coverage_counts): Update calls to dump_printf_loc to pass in dump_location_t rather than a location_t. * doc/optinfo.texi (Dump types): Convert example of dump_printf_loc from taking "locus" to taking "insn". Update description of the "_loc" calls to cover dump_location_t. * dumpfile.c: Include "backend.h", "gimple.h", "rtl.h", and "selftest.h". (dump_user_location_t::dump_user_location_t): New constructors, from gimple *stmt and rtx_insn *. (dump_user_location_t::from_function_decl): New function. (dump_loc): Make static. (dump_gimple_stmt_loc): Convert param "loc" from location_t to const dump_location_t &. (dump_generic_expr_loc): Delete. (dump_printf_loc): Convert param "loc" from location_t to const dump_location_t &. (selftest::test_impl_location): New function. (selftest::dumpfile_c_tests): New function. * dumpfile.h: Include "profile-count.h". (class dump_user_location_t): New class. (struct dump_impl_location_t): New struct. (class dump_location_t): New class. (dump_printf_loc): Convert 2nd param from source_location to const dump_location_t &. (dump_generic_expr_loc): Delete. (dump_gimple_stmt_loc): Convert 2nd param from source_location to const dump_location_t &. * gimple-fold.c (fold_gimple_assign): Update call to dump_printf_loc to pass in a dump_location_t rather than a location_t, via the gimple stmt. (gimple_fold_call): Likewise. * gimple-loop-interchange.cc (loop_cand::analyze_iloop_reduction_var): Update for change to check_reduction_path. (tree_loop_interchange::interchange): Update for change to find_loop_location. * graphite-isl-ast-to-gimple.c (scop_to_isl_ast): Update for change in return-type of find_loop_location. (graphite_regenerate_ast_isl): Likewise. * graphite-optimize-isl.c (optimize_isl): Likewise. * graphite.c (graphite_transform_loops): Likewise. * ipa-devirt.c (ipa_devirt): Update call to dump_printf_loc to pass in a dump_location_t rather than a location_t, via the gimple stmt. * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise. * ipa.c (walk_polymorphic_call_targets): Likewise. * loop-unroll.c (report_unroll): Convert "locus" param from location_t to dump_location_t. (decide_unrolling): Update for change to get_loop_location's return type. * omp-grid.c (struct grid_prop): Convert field "target_loc" from location_t to dump_user_location_t. (grid_find_single_omp_among_assignments_1): Updates calls to dump_printf_loc to pass in a dump_location_t rather than a location_t, via the gimple stmt. (grid_parallel_clauses_gridifiable): Convert "tloc" from location_t to dump_location_t. Updates calls to dump_printf_loc to pass in a dump_location_t rather than a location_t, via the gimple stmt. (grid_inner_loop_gridifiable_p): Likewise. (grid_dist_follows_simple_pattern): Likewise. (grid_gfor_follows_tiling_pattern): Likewise. (grid_target_follows_gridifiable_pattern): Likewise. (grid_attempt_target_gridification): Convert initialization of local "grid" from memset to zero-initialization; FIXME: does this require C++11? Update call to dump_printf_loc to pass in a optinfo_location rather than a location_t, via the gimple stmt. * profile.c (read_profile_edge_counts): Updates call to dump_printf_loc to pass in a dump_location_t rather than a location_t (compute_branch_probabilities): Likewise. * selftest-run-tests.c (selftest::run_tests): Call dumpfile_c_tests. * selftest.h (dumpfile_c_tests): New decl. * tree-loop-distribution.c (pass_loop_distribution::execute): Update for change in return type of find_loop_location. * tree-parloops.c (parallelize_loops): Likewise. * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Convert "locus" from location_t to dump_user_location_t. (canonicalize_loop_induction_variables): Likewise. * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_loop): Update for change in return type of find_loop_location. * tree-ssa-loop-niter.c (number_of_iterations_exit): Update call to dump_printf_loc to pass in a dump_location_t rather than a location_t, via the stmt. * tree-ssa-sccvn.c (eliminate_dom_walker::before_dom_children): Likewise. * tree-vect-loop-manip.c (find_loop_location): Convert return type from source_location to dump_user_location_t. (vect_do_peeling): Update for above change. (vect_loop_versioning): Update for change in type of vect_location. * tree-vect-loop.c (check_reduction_path): Convert "loc" param from location_t to dump_user_location_t. (vect_estimate_min_profitable_iters): Update for change in type of vect_location. * tree-vect-slp.c (vect_print_slp_tree): Convert param "loc" from location_t to dump_location_t. (vect_slp_bb): Update for change in type of vect_location. * tree-vectorizer.c (vect_location): Convert from source_location to dump_user_location_t. (try_vectorize_loop_1): Update for change in vect_location's type. (vectorize_loops): Likewise. (increase_alignment): Likewise. * tree-vectorizer.h (vect_location): Convert from source_location to dump_user_location_t. (find_loop_location): Convert return type from source_location to dump_user_location_t. (check_reduction_path): Convert 1st param from location_t to dump_user_location_t. * value-prof.c (check_counter): Update call to dump_printf_loc to pass in a dump_user_location_t rather than a location_t; update call to error_at for change in type of "locus". (check_ic_target): Update call to dump_printf_loc to pass in a dump_user_location_t rather than a location_t, via the call_stmt. 2018-06-26 Robin Dapp * config/s390/s390.h (enum processor_flags): Do not use default tune parameter when -march was specified. 2018-06-26 Jakub Jelinek PR target/86314 * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2s): Check reg_overlap_mentioned_p in addition to reg_set_p with the same operands. 2018-06-26 Richard Biener PR tree-optimization/86287 PR bootstrap/86316 * tree-vect-loop.c (vect_transform_loop_stmt): Fix read-after-free. (vect_analyze_loop): Initialize n_stmts. 2018-06-26 Richard Biener PR middle-end/86271 * fold-const.c (fold_convertible_p): Pointer extension isn't valid. 2018-06-26 Alexandre Oliva PR debug/86064 * dwarf2out.c (loc_list_has_views): Adjust comments. (dw_loc_list): Split single cross-partition range with nonzero locview. 2018-06-25 Jeff Law * common/config/v850/v850-common.c (TARGET_DEFAULT_TARGET_FLAGS): Turn on -mbig-switch by default. * config/v850/predicates.md (const_float_1_operand): Fix match_code test. (const_float_0_operand): Remove unused predicate. * config/v850/v850.md (define_constants): Remove UNSPEC_LOOP. (define_c_enum unspec): Add LOOP, RCP and RSQRT constants. (recipsf2): New expander. Original pattern now called (recipsf2_insn). (recipdf2, recipdf2_insn): Similarly. (rsqrtsf2, rsqrtsf2_insn): Similarly (rsqrtdf2, rsqrtdf2_insn): Similarly 2018-06-26 Gerald Pfeifer * ginclude/stddef.h: Remove an obsolete comment on FreeBSD 5. Simplify logic for FreeBSD (twice). 2018-06-25 Martin Sebor PR tree-optimization/86204 * tree-ssa-strlen.c (handle_builtin_strlen): Avoid storing a strnlen result if it's less than the length of the string. 2018-06-25 Martin Sebor PR tree-optimization/85700 * gimple-fold.c (gimple_fold_builtin_strncat): Adjust comment. * tree-ssa-strlen.c (is_strlen_related_p): Handle integer subtraction. (maybe_diag_stxncpy_trunc): Distinguish strncat from strncpy. 2018-06-25 Martin Sebor * doc/extend.texi (Zero-length arrays): Update and clarify. 2018-06-25 Michael Meissner * config.gcc (powerpc64le*): Revert January 16th, 2018 patch that added IEEE/IBM long double multilib support on PowerPC little endian Linux systems. * config/rs6000/linux64.h (MULTILIB_DEFAULTS_IEEE): Likewise. (MULTILIB_DEFAULTS): Likewise. * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise. * config/rs6000/rs6000.h (TARGET_IEEEQUAD_MULTILIB): Likewise. * config/rs6000/t-ldouble-linux64le-ibm: Delete, no longer used. * config/rs6000/t-ldouble-linux64le-ieee: Delete, no longer used. 2018-06-25 Alexander Monakov PR middle-end/86311 * sort.cc (REORDER_23): Avoid memcpy with same destination and source. (REORDER_45): Likewise. 2018-06-25 Jeff Law * config/v850/v850.md (divmodhi4): Make sure to sign extend the dividend to 32 bits. Adjust length. (udivmodhi4): Cleanup output template. Fix length. 2018-06-25 Carl Love * config/rs6000/vsx.md: Change word selector to prefered location. 2018-06-25 Richard Biener PR tree-optimization/86304 * tree-vectorizer.c (vectorize_loops): Walk over new possibly epilogue-if-converted loops as well. 2018-06-25 Jan Hubicka * lto-section-out.c (lto_begin_section): Do not print section name for noaddr and unnumbered dumps. 2018-06-25 Richard Biener * tree-vectorizer.h (struct vec_info_shared): New structure with parts split out from struct vec_info and loop_nest from struct _loop_vec_info. (struct vec_info): Adjust accordingly. (struct _loop_vec_info): Likewise. (LOOP_VINFO_LOOP_NEST): Adjust. (LOOP_VINFO_DATAREFS): Likewise. (LOOP_VINFO_DDRS): Likewise. (struct _bb_vec_info): Likewise. (BB_VINFO_DATAREFS): Likewise. (BB_VINFO_DDRS): Likewise. (struct _stmt_vec_info): Add dr_aux member. (DR_VECT_AUX): Adjust to refer to member of DR_STMTs vinfo. (DR_MISALIGNMENT_UNINITIALIZED): New. (set_dr_misalignment): Adjust. (dr_misalignment): Assert misalign isn't DR_MISALIGNMENT_UNINITIALIZED. (vect_analyze_loop): Adjust prototype. (vect_analyze_loop_form): Likewise. * tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Compute dependences lazily. (vect_record_base_alignments): Use shared datarefs/ddrs. (vect_verify_datarefs_alignment): Likewise. (vect_analyze_data_refs_alignment): Likewise. (vect_analyze_data_ref_accesses): Likewise. (vect_analyze_data_refs): Likewise. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Add constructor parameter for shared part. (vect_analyze_loop_form): Pass in shared part and adjust. (vect_analyze_loop_2): Pass in storage for the number of stmts. Move loop nest finding to the caller. Compute datarefs lazily. (vect_analyze_loop): Pass in shared part. (vect_transform_loop): Verify shared datarefs are unchanged. * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Add constructor parameter for shared part. (vect_slp_analyze_bb_1): Pass in shared part and adjust. (vect_slp_bb): Verify shared datarefs are unchanged before transform. * tree-vect-stmts.c (ensure_base_align): Adjust for DR_AUX change. (new_stmt_vec_info): Initialize DR_AUX misalignment to DR_MISALIGNMENT_UNINITIALIZED. * tree-vectorizer.c (vec_info::vec_info): Add constructor parameter for shared part. (vec_info::~vec_info): Adjust. (vec_info_shared::vec_info_shared): New. (vec_info_shared::~vec_info_shared): Likewise. (vec_info_shared::save_datarefs): Likewise. (vec_info_shared::check_datarefs): Likewise. (try_vectorize_loop_1): Construct shared part live for analyses of a single loop for multiple vector sizes. * tree-parloops.c (gather_scalar_reductions): Adjust. 2018-06-25 Richard Biener * tree-vect-data-refs.c (vect_find_stmt_data_reference): Modify DR for SIMD lane accesses here and mark DR with (void *)-1 aux. (vect_analyze_data_refs): Remove similar code from here and simplify accordingly. 2018-06-25 Richard Biener * tree-vect-data-refs.c (vect_check_gather_scatter): Fail for reverse storage order accesses rather than asserting they cannot happen here. 2018-06-25 Tom de Vries PR debug/86257 * config/i386/i386.md (define_insn "*tls_global_dynamic_64_"): Use data16 instead of .byte for insn prefix. 2018-06-25 Andreas Krebbel PR C++/86082 * parser.c (make_char_string_pack): Pass this literal chars through cpp_interpret_string. (cp_parser_userdef_numeric_literal): Check the result of make_char_string_pack. 2018-06-24 Maya Rashish * ginclude/stddef.h: Simplify conditions around avoiding re-definition of __size_t. 2018-06-22 Jan Hubicka * lto-streamer-out.c (tree_is_indexable): Make LABEL_DECL nonindexable unless it is forced or nonlocal; assert that we stream no IMPORTED_DECL. 2018-06-22 Maya Rashish * doc/invoke.texi (mno-fancy-math-387): Update for changes made to OpenBSD and NetBSD through the years. 2018-06-22 Kelvin Nilsen * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change behavior of vec_pack (vector double, vector double) to match behavior of vec_float2 (vector double, vector double). 2018-06-22 Olivier Hainque * gimplify.c (gimplify_function_tree): Prevent creation of a trampoline for the address of the current function passed to entry/exit instrumentation hooks. 2018-06-22 Aaron Sawdey PR target/86222 * config/rs6000/rs6000-string.c (expand_strn_compare): Handle -m32 correctly. 2018-06-22 Martin Liska PR tree-optimization/86263 * tree-switch-conversion.c (jump_table_cluster::find_jump_tables): Bail out if is_enabled is false. * tree-switch-conversion.h (jump_table_cluster::is_enabled): New declaration. (jump_table_cluster::is_enabled): New function. 2018-06-22 Jan Hubicka * lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream BINFO_BASE_ACCESSES and BINFO_VPTR_FIELD. * tree-streamer-in.c (streamer_read_tree_bitfields): Likewise. (lto_input_ts_binfo_tree_pointers): Likewise. * tree-streamer-out.c (streamer_write_tree_bitfields, write_ts_binfo_tree_pointers): Likewise. * tree.c (free_lang_data_in_binfo): Clear BINFO_VPTR_FIELD. 2018-06-22 Jan Hubicka * tree.c (free_lang_data_in_type): Free all TYPE_VFIELDs. 2018-06-22 Martin Liska * symbol-summary.h (get): Make it pure and inline move functionality from ::get function. (get): Remove and inline into ::get and ::get_create. (get_create): Move code from ::get function. 2018-06-22 Rainer Orth PR target/85994 * config/i386/sol2.h (CPP_SPEC): Don't pass -P for -x assembler-with-cpp. 2018-06-22 Rainer Orth * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define _FILE_OFFSET_BITS=64 for C++. 2018-06-21 Michael Meissner * config/rs6000/rs6000.md (extendtfif2): Add missing 128-bit conversion insn that shows up when pr85657-3.c is compiled using IEEE 128-bit long double. (neg2_internal): Use the correct mode to check whether the mode is IBM extended. * config/rs6000/rs6000.c (init_float128_ieee): Prevent complex multiply and divide external functions from being created more than once. 2018-06-21 Eric Botcazou * cfgrtl.c (fixup_reorder_chain): Do not emit NOPs in DECL_IGNORED_P functions. (rtl_merge_blocks): Likewise. Do not emit a NOP if the location of the edge can be forwarded. (cfg_layout_merge_blocks): Likewise. 2018-06-21 Eric Botcazou * except.c (finish_eh_generation): Commit edge insertions only after the EH edges have been redirected from post-landing to landing pads. 2018-06-21 Eric Botcazou * tree-nested.c (get_frame_type): Use create_tmp_var_raw instead of create_tmp_var_for to create the FRAME decl. (finalize_nesting_tree_1): Do not unchain the FRAME decl. 2018-06-21 Eric Botcazou * tree-inline.c (copy_edges_for_bb): Minor tweak. (maybe_move_debug_stmts_to_successors): Also reset the locus of the debug statement when resetting its value. (expand_call_inline): Copy the locus of the call onto the assignment of the return value, if any. Use local variable in more cases. 2018-06-21 Martin Liska * ipa-pure-const.c (propagate_nothrow): Use funct_state_summaries->get. (dump_malloc_lattice): Likewise. (propagate_malloc): Likewise. 2018-06-21 Richard Biener * lto-streamer-out.c (DFS::DFS_write_tree_body): Update outdated comment. Follow BLOCK_ABSTRACT_ORIGIN unconditionally. * tree-streamer-in.c (lto_input_ts_block_tree_pointers): Update comment. * tree-streamer-out.c (write_ts_block_tree_pointers): Stream BLOCK_ABSTRACT_ORIGIN unconditionally. 2018-06-21 David Malcolm * ipa-cp.c (ipcp_driver): Set edge_clone_summaries to NULL after deleting it. * ipa-reference.c (ipa_reference_c_finalize): Delete ipa_ref_opt_sum_summaries and set it to NULL. 2018-06-21 Tom de Vries PR tree-optimization/85859 * tree-ssa-tail-merge.c (stmt_local_def): Copy gimple_is_call test with comment from bb_no_side_effects_p. 2018-06-21 Richard Biener PR tree-optimization/86232 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Adjust max for constant niter. 2018-06-21 Andre Vieira * config/aarch64/aarch64-simd.md (*aarch64_crypto_aesv16qi_xor_combine): New. 2018-06-21 Andre Vieira * config/aarch64/aarch64-simd.md (aarch64_crypto_aesv16qi): Make opernads of the unspec commutative. 2018-06-21 Richard Biener * tree-data-ref.c (dr_step_indicator): Handle NULL DR_STEP. * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr): Avoid calling vect_mark_for_runtime_alias_test with gathers or scatters. (vect_analyze_data_ref_dependence): Re-order checks to deal with NULL DR_STEP. (vect_record_base_alignments): Do not record base alignment for gathers or scatters. (vect_compute_data_ref_alignment): Drop return value that is always true. Bail out early for gathers or scatters. (vect_enhance_data_refs_alignment): Bail out early for gathers or scatters. (vect_find_same_alignment_drs): Likewise. (vect_analyze_data_refs_alignment): Remove dead code. (vect_slp_analyze_and_verify_node_alignment): Likewise. (vect_analyze_data_refs): For possible gathers or scatters do not create an alternate DR, just check their possible validity and mark them. Adjust DECL_NONALIASED handling to not rely on DR_BASE_ADDRESS. * tree-vect-loop-manip.c (vect_update_inits_of_drs): Do not update inits of gathers or scatters. * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Also copy gather/scatter flag to pattern vinfo. 2018-06-20 Kelvin Nilsen * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change behavior of vec_packsu (vector unsigned long long, vector unsigned long long) to match behavior of vec_packs with same signature. 2018-06-20 Chung-Lin Tang Thomas Schwinge Cesar Philippidis * gimplify.c (gimplify_scan_omp_clauses): Add support for OMP_CLAUSE_{IF_PRESENT,FINALIZE}. (gimplify_adjust_omp_clauses): Likewise. (gimplify_oacc_declare_1): Add support for GOMP_MAP_RELEASE, remove support for GOMP_MAP_FORCE_{ALLOC,TO,FROM,TOFROM}. (gimplify_omp_target_update): Update handling of acc update and enter/exit data. * omp-low.c (install_var_field): Remove unused parameter base_pointers_restrict. (scan_sharing_clauses): Remove base_pointers_restrict parameter. Update call to install_var_field. Handle OMP_CLAUSE_{IF_PRESENT, FINALIZE} (omp_target_base_pointers_restrict_p): Delete. (scan_omp_target): Update call to scan_sharing_clauses. * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_{IF_PRESENT, FINALIZE}. * tree-nested.c (convert_nonlocal_omp_clauses): Handle OMP_CLAUSE_{IF_PRESENT,FINALIZE}. (convert_local_omp_clauses): Likewise. * tree-pretty-print.c (dump_omp_clause): Likewise. * tree.c (omp_clause_num_ops): Add entries for OMP_CLAUSE_{IF_PRESENT, FINALIZE}. (omp_clause_code_name): Likewise. 2018-06-20 Jakub Jelinek PR debug/86194 * var-tracking.c (use_narrower_mode_test): Check if shift amount can be narrowed. PR tree-optimization/86231 * tree-vrp.c (union_ranges): For ( [ ) ] or ( )[ ] range and anti-range don't overwrite *vr0min before using it to compute *vr0max. 2018-06-20 Tom de Vries PR tree-optimization/86097 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Also convert *nit to iv type if signedness of iv type is not the same as that of *nit. 2018-06-20 Jakub Jelinek * cfgrtl.c (rtl_verify_edges): Formatting fix. If bb->preds has any EDGE_EH edges, verify they are all EDGE_EH. 2018-06-20 Maya Rashish * ginclude/stddef.h: Limit #include to NetBSD. 2018-06-20 Kyrylo Tkachov * config/aarch64/aarch64-tuning-flags.def (no_ldp_stp_qregs): New. * config/aarch64/aarch64.c (xgene1_tunings): Add AARCH64_EXTRA_TUNE_NO_LDP_STP_QREGS to tune_flags. (aarch64_mode_valid_for_sched_fusion_p): Allow 16-byte modes. (aarch64_classify_address): Allow 16-byte modes for load_store_pair_p. * config/aarch64/aarch64-ldpstp.md: Add peepholes for LDP STP of 128-bit modes. * config/aarch64/aarch64-simd.md (load_pair): New pattern. (vec_store_pair): Likewise. * config/aarch64/iterators.md (VQ2): New mode iterator. 2018-06-20 Martin Liska * tree-switch-conversion.c (jump_table_cluster::can_be_handled): Change default ratio from 10 to 8. 2018-06-20 Martin Liska * tree-switch-conversion.c (jump_table_cluster::find_jump_tables): New. (bit_test_cluster::find_bit_tests): Likewise. (switch_decision_tree::analyze_switch_statement): Find clusters. * tree-switch-conversion.h (struct jump_table_cluster): Document hierarchy. 2018-06-20 Martin Liska * tree-switch-conversion.c (switch_conversion::collect): Record m_uniq property. (switch_conversion::expand): Bail out for special conditions. (group_cluster::~group_cluster): New. (group_cluster::group_cluster): Likewise. (group_cluster::dump): Likewise. (jump_table_cluster::emit): New. (switch_decision_tree::fix_phi_operands_for_edges): New. (struct case_node): Remove struct. (jump_table_cluster::can_be_handled): New. (case_values_threshold): Moved to header. (reset_out_edges_aux): Likewise. (jump_table_cluster::is_beneficial): New. (bit_test_cluster::can_be_handled): Likewise. (add_case_node): Remove. (bit_test_cluster::is_beneficial): New. (case_bit_test::cmp): New. (bit_test_cluster::emit): New. (expand_switch_as_decision_tree_p): Remove. (bit_test_cluster::hoist_edge_and_branch_if_true): New. (fix_phi_operands_for_edge): Likewise. (switch_decision_tree::analyze_switch_statement): New. (compute_cases_per_edge): Move ... (switch_decision_tree::compute_cases_per_edge): ... here. (try_switch_expansion): Likewise. (switch_decision_tree::try_switch_expansion): Likewise. (record_phi_operand_mapping): Likewise. (switch_decision_tree::record_phi_operand_mapping): Likewise. (emit_case_decision_tree): Likewise. (switch_decision_tree::emit): Likewise. (balance_case_nodes): Likewise. (switch_decision_tree::balance_case_nodes): Likewise. (dump_case_nodes): Likewise. (switch_decision_tree::dump_case_nodes): Likewise. (emit_jump): Likewise. (switch_decision_tree::emit_jump): Likewise. (emit_cmp_and_jump_insns): Likewise. (switch_decision_tree::emit_cmp_and_jump_insns): Likewise. (emit_case_nodes): Likewise. (switch_decision_tree::emit_case_nodes): Likewise. (conditional_probability): Remove. * tree-switch-conversion.h (enum cluster_type): New. (PRINT_CASE): New. (struct cluster): Likewise. (cluster::cluster): Likewise. (struct simple_cluster): Likewise. (simple_cluster::simple_cluster): Likewise. (struct group_cluster): Likewise. (struct jump_table_cluster): Likewise. (struct bit_test_cluster): Likewise. (struct min_cluster_item): Likewise. (struct case_tree_node): Likewise. (case_tree_node::case_tree_node): Likewise. (jump_table_cluster::case_values_threshold): Likewise. (struct case_bit_test): Likewise. (struct switch_decision_tree): Likewise. (struct switch_conversion): Likewise. (switch_decision_tree::reset_out_edges_aux): Likewise. 2018-06-20 Martin Liska * tree-switch-conversion.c (MAX_CASE_BIT_TESTS): Remove. (hoist_edge_and_branch_if_true): Likewise. (expand_switch_using_bit_tests_p): Likewise. (struct case_bit_test): Likewise. (case_bit_test_cmp): Likewise. (emit_case_bit_tests): Likewise. (switch_conversion::switch_conversion): New class. (struct switch_conv_info): Remove old struct. (collect_switch_conv_info): More to ... (switch_conversion::collect): ... this. (check_range): Likewise. (switch_conversion::check_range): Likewise. (check_all_empty_except_final): Likewise. (switch_conversion::check_all_empty_except_final): Likewise. (check_final_bb): Likewise. (switch_conversion::check_final_bb): Likewise. (create_temp_arrays): Likewise. (switch_conversion::create_temp_arrays): Likewise. (free_temp_arrays): Likewise. (gather_default_values): Likewise. (switch_conversion::gather_default_values): Likewise. (build_constructors): Likewise. (switch_conversion::build_constructors): Likewise. (constructor_contains_same_values_p): Likewise. (switch_conversion::contains_same_values_p): Likewise. (array_value_type): Likewise. (switch_conversion::array_value_type): Likewise. (build_one_array): Likewise. (switch_conversion::build_one_array): Likewise. (build_arrays): Likewise. (switch_conversion::build_arrays): Likewise. (gen_def_assigns): Likewise. (switch_conversion::gen_def_assigns): Likewise. (prune_bbs): Likewise. (switch_conversion::prune_bbs): Likewise. (fix_phi_nodes): Likewise. (switch_conversion::fix_phi_nodes): Likewise. (gen_inbound_check): Likewise. (switch_conversion::gen_inbound_check): Likewise. (process_switch): Use the newly created class. (switch_conversion::expand): New. (switch_conversion::~switch_conversion): New. * tree-switch-conversion.h: New file. 2018-06-20 Richard Sandiford * tree-vectorizer.h (NUM_PATTERNS, vect_recog_func_ptr): Move to tree-vect-patterns.c. * tree-vect-patterns.c (vect_supportable_direct_optab_p): New function. (vect_recog_dot_prod_pattern): Use it. Remove the type_in argument. (vect_recog_sad_pattern): Likewise. (vect_recog_widen_sum_pattern): Likewise. (vect_recog_pow_pattern): Likewise. Check for a null vectype. (vect_recog_widen_shift_pattern): Remove the type_in argument. (vect_recog_rotate_pattern): Likewise. (vect_recog_mult_pattern): Likewise. (vect_recog_vector_vector_shift_pattern): Likewise. (vect_recog_divmod_pattern): Likewise. (vect_recog_mixed_size_cond_pattern): Likewise. (vect_recog_bool_pattern): Likewise. (vect_recog_mask_conversion_pattern): Likewise. (vect_try_gather_scatter_pattern): Likewise. (vect_recog_widen_mult_pattern): Likewise. Check for a null vectype. (vect_recog_over_widening_pattern): Likewise. (vect_recog_gather_scatter_pattern): Likewise. (vect_recog_func_ptr): Move from tree-vectorizer.h (vect_vect_recog_func_ptrs): Move further down the file. (vect_recog_func): Likewise. Remove the third argument. (NUM_PATTERNS): Define based on vect_vect_recog_func_ptrs. (vect_pattern_recog_1): Expect the pattern function to do any necessary target tests. Also expect it to provide a vector type. Remove the type_in handling. 2018-06-20 Richard Sandiford * tree-vect-patterns.c (vect_pattern_detected): New function. (vect_recog_dot_prod_patternm, vect_recog_sad_pattern) (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern) (vect_recog_over_widening_pattern, vect_recog_widen_shift_pattern (vect_recog_rotate_pattern, vect_recog_vector_vector_shift_pattern) (vect_recog_mult_pattern, vect_recog_divmod_pattern) (vect_recog_mixed_size_cond_pattern, vect_recog_bool_pattern) (vect_recog_mask_conversion_pattern) (vect_try_gather_scatter_pattern): Likewise. 2018-06-20 Richard Sandiford * tree-vect-patterns.c (vect_get_internal_def): New function. (vect_recog_dot_prod_pattern, vect_recog_sad_pattern) (vect_recog_vector_vector_shift_pattern, check_bool_pattern) (search_type_for_mask_1): Use it. 2018-06-20 Richard Sandiford * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Remove redundant WIDEN_SUM_EXPR handling. (vect_recog_sad_pattern): Likewise. 2018-06-20 Richard Sandiford * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Remove redundant check that the types of a PLUS_EXPR or MULT_EXPR agree. (vect_recog_sad_pattern): Likewise PLUS_EXPR, ABS_EXPR and MINUS_EXPR. (vect_recog_widen_mult_pattern): Likewise MULT_EXPR. (vect_recog_widen_sum_pattern): Likewise PLUS_EXPR. 2018-06-20 Richard Sandiford * tree-vect-stmts.c (vectorizable_call): Make sure that we use the stmt_vec_info of the original bb statement for the new zero assignment, even if the call is part of a pattern. 2018-06-20 Richard Sandiford * tree-vectorizer.h (_stmt_vec_info): Note above pattern_def_seq that the sequence is attached to the original statement rather than the pattern statement. * tree-vect-loop.c (vect_determine_vf_for_stmt): Take the PATTERN_DEF_SEQ from the original statement rather than the main pattern statement. * tree-vect-stmts.c (free_stmt_vec_info): Likewise. * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise. (vect_mark_pattern_stmts): Don't copy the PATTERN_DEF_SEQ. 2018-06-20 Richard Sandiford * tree-vect-stmts.c (vect_analyze_stmt): Move the handling of pattern definition statements before the early exit for statements that aren't live or relevant. * tree-vect-loop.c (vect_transform_loop_stmt): New function, split out from... (vect_transform_loop): ...here. Process pattern definition statements without first checking whether the main pattern statement is live or relevant. 2018-06-19 Eric Botcazou * tree-cfgcleanup.c (tree_forwarder_block_p): Do not return false at -O0 if the locus represent UNKNOWN_LOCATION but have different values. 2018-06-19 Aaron Sawdey * config/rs6000/rs6000-string.c (select_block_compare_mode): Check TARGET_EFFICIENT_OVERLAPPING_UNALIGNED here instead of in caller. (do_and3, do_and3_mask, do_compb3, do_rotl3): New functions. (expand_block_compare): Change select_block_compare_mode call. (expand_strncmp_align_check): Use new functions, fix comment. (emit_final_str_compare_gpr): New function. (expand_strn_compare): Refactor and clean up code. * config/rs6000/vsx.md (vsx_mov_64bit): Remove *. 2018-06-19 Tony Reix Damien Bergamini David Edelsohn * collect2.c (static_obj): New variable. (static_libs): New variable. (is_in_list): Uncomment declaration. (main): Track AIX libraries linked statically. (is_in_list): Uncomment definition. (scan_prog_file): Don't add AIX shared libraries initializer to constructor list if linking statically. 2018-06-19 Max Filippov * config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec constant. (allocate_stack, frame_blockage, *frame_blockage): New patterns. 2018-06-19 Jan Hubicka * tree.c (find_decls_types_r): Remove all non-VAR_DECLs from blocks. 2018-06-19 Martin Liska * config/i386/i386.c (ix86_can_inline_p): Do not use ipa_fn_summaries::get_create. * ipa-cp.c (ipcp_cloning_candidate_p): Replace get_create with get. (devirtualization_time_bonus): Likewise. (ipcp_propagate_stage): Likewise. * ipa-fnsummary.c (redirect_to_unreachable): Likewise. (edge_set_predicate): Likewise. (evaluate_conditions_for_known_args): Likewise. (evaluate_properties_for_edge): Likewise. (ipa_call_summary::reset): Tranform to ... (ipa_call_summary::~ipa_call_summary): ... this. (ipa_fn_summary::reset): Transform to ... (ipa_fn_summary::~ipa_fn_summary): ... this. (ipa_fn_summary_t::remove): Rename to ... (ipa_fn_summary_t::remove_callees): ... this. (ipa_fn_summary_t::duplicate): Use placement new instead of memory copy. (ipa_call_summary_t::duplicate): Likewise. (ipa_call_summary_t::remove): Remove. (dump_ipa_call_summary): Change get_create to get. (ipa_dump_fn_summary): Dump only when summary exists. (analyze_function_body): Use symbol_summary::get instead of get_create. (compute_fn_summary): Likewise. (estimate_edge_devirt_benefit): Likewise. (estimate_edge_size_and_time): Likewise. (inline_update_callee_summaries): Likewise. (remap_edge_change_prob): Likewise. (remap_edge_summaries): Likewise. (ipa_merge_fn_summary_after_inlining): Likewise. (write_ipa_call_summary): Likewise. (ipa_fn_summary_write): Likewise. (ipa_free_fn_summary): Likewise. * ipa-fnsummary.h (struct GTY): Add new ctor and copy ctor. (struct ipa_call_summary): Likewise. * ipa-icf.c (sem_function::merge): Use symbol_summary::get instead of get_create. * ipa-inline-analysis.c (do_estimate_edge_time): Likewise. (estimate_size_after_inlining): Likewise. (estimate_growth): Likewise. (growth_likely_positive): Likewise. * ipa-inline-transform.c (clone_inlined_nodes): Likewise. (inline_call): Likewise. * ipa-inline.c (caller_growth_limits): Likewise. (can_inline_edge_p): Likewise. (can_inline_edge_by_limits_p): Likewise. (compute_uninlined_call_time): Likewise. (compute_inlined_call_time): Likewise. (want_inline_small_function_p): Likewise. (edge_badness): Likewise. (update_caller_keys): Likewise. (update_callee_keys): Likewise. (inline_small_functions): Likewise. (inline_to_all_callers_1): Likewise. (dump_overall_stats): Likewise. (early_inline_small_functions): Likewise. (early_inliner): Likewise. * ipa-profile.c (ipa_propagate_frequency_1): Likewise. * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise. * ipa-pure-const.c (malloc_candidate_p): Likewise. * ipa-split.c (execute_split_functions): Likewise. * symbol-summary.h: Likewise. * tree-sra.c (ipa_sra_preliminary_function_checks): Likewise. 2018-06-19 Richard Biener * tree-vectorizer.c (try_vectorize_loop_1): Split out of ... (vectorize_loops): ... here. Fix dbgcnt handling. (try_vectorize_loop): Wrap try_vectorize_loop_1. 2018-06-19 Segher Boessenkool PR target/86197 * config/rs6000/rs6000.md (rs6000_discover_homogeneous_aggregate): An ieee128 argument takes up only one (vector) register, not two (floating point) registers. 2018-06-19 Eric Botcazou * gimplify.c (gimplify_init_constructor): Really never clear for an incomplete constructor if CONSTRUCTOR_NO_CLEARING is set. 2018-06-19 Richard Biener PR tree-optimization/86179 * tree-vect-patterns.c (vect_pattern_recog_1): Clean up after failed recognition. 2018-06-18 Martin Sebor PR middle-end/85602 * calls.c (maybe_warn_nonstring_arg): Handle strncat. * tree-ssa-strlen.c (is_strlen_related_p): Make extern. Handle integer subtraction. (maybe_diag_stxncpy_trunc): Handle nonstring source arguments. * tree-ssa-strlen.h (is_strlen_related_p): Declare. 2018-06-18 David Malcolm * config/frv/frv-protos.h (frv_ifcvt_modify_insn): Strengthen 3rd param from rtx to rtx_insn *. * config/frv/frv.c (frv_ifcvt_add_insn): Likewise for "insn" param. (frv_ifcvt_modify_insn): Likwise. (frv_ifcvt_modify_final): Likwise for local "existing_insn", adding an as_a cast. Likewise for local "insn". * config/mips/mips.c (r10k_insert_cache_barriers): Add an as_a cast to local "unprotected_region" once it's been established that it's not NULL or pc_rtx. * config/nds32/nds32-relax-opt.c (nds32_group_insns): Strengthen param "sethi" from rtx to rtx_insn *. (nds32_group_float_insns): Likewise for param "insn". * config/vax/vax-protos.h (vax_output_int_add): Likewise for 1st param. (vax_output_int_subtract): Likewise. * config/vax/vax.c (vax_output_int_add): Likewise for param "insn". (vax_output_int_subtract): Likewise. * emit-rtl.c (set_insn_deleted): Likewise, removing cast. (emit_pattern_after): Likewise for param "after". (emit_insn_after): Likewise. (emit_jump_insn_after): Likewise. (emit_call_insn_after): Likewise. (emit_debug_insn_after): Likewise. (emit_pattern_before): Likewise for param "before". (emit_insn_before): Likewise. (emit_jump_insn_before): Likewise. * final.c (get_insn_template): Likewise for param "insn", removing a cast. * output.h (get_insn_template): Likewise for 2nd param. * rtl.h (emit_insn_before): Likewise. (emit_jump_insn_before): Likewise. (emit_debug_insn_before_noloc): Likewise. (emit_insn_after): Likewise. (emit_jump_insn_after): Likewise. (emit_call_insn_after): Likewise. (emit_debug_insn_after): Likewise. (set_insn_deleted): Likewise for param. 2018-06-18 Michael Meissner PR target/85358 * config/rs6000/rs6000-modes.def (toplevel): Rework the 128-bit floating point modes, so that IFmode is numerically greater than TFmode, which is greater than KFmode using FRACTIONAL_FLOAT_MODE to declare the ordering. This prevents IFmode from being converted to TFmode when long double is IEEE 128-bit on an ISA 3.0 machine. Include rs6000-modes.h to share the fractional values between genmodes* and the rest of the compiler. (IFmode): Likewise. (KFmode): Likewise. (TFmode): Likewise. * config/rs6000/rs6000-modes.h: New file. * config/rs6000/rs6000.c (rs6000_debug_reg_global): Change the meaning of rs6000_long_double_size so that 126..128 selects an appropriate 128-bit floating point type. (rs6000_option_override_internal): Likewise. * config/rs6000/rs6000.h (toplevel): Include rs6000-modes.h. (TARGET_LONG_DOUBLE_128): Change the meaning of rs6000_long_double_size so that 126..128 selects an appropriate 128-bit floating point type. (LONG_DOUBLE_TYPE_SIZE): Update comment. * config/rs6000/rs6000.md (trunciftf2): Correct the modes of the source and destination to match the standard usage. (truncifkf2): Likewise. (copysign3, IEEE iterator): Rework copysign of float128 on ISA 2.07 to use an explicit clobber, instead of passing in a temporary. (copysign3_soft): Likewise. 2018-06-18 David Malcolm * tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Replace dump_printf_loc call with DUMP_VECT_SCOPE. (vect_slp_analyze_instance_dependence): Likewise. (vect_enhance_data_refs_alignment): Likewise. (vect_analyze_data_refs_alignment): Likewise. (vect_slp_analyze_and_verify_instance_alignment (vect_analyze_data_ref_accesses): Likewise. (vect_prune_runtime_alias_test_list): Likewise. (vect_analyze_data_refs): Likewise. * tree-vect-loop-manip.c (vect_update_inits_of_drs): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. (vect_analyze_scalar_cycles_1): Likewise. (vect_get_loop_niters): Likewise. (vect_analyze_loop_form_1): Likewise. (vect_update_vf_for_slp): Likewise. (vect_analyze_loop_operations): Likewise. (vect_analyze_loop): Likewise. (vectorizable_induction): Likewise. (vect_transform_loop): Likewise. * tree-vect-patterns.c (vect_pattern_recog): Likewise. * tree-vect-slp.c (vect_analyze_slp): Likewise. (vect_make_slp_decision): Likewise. (vect_detect_hybrid_slp): Likewise. (vect_slp_analyze_operations): Likewise. (vect_slp_bb): Likewise. * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise. (vectorizable_bswap): Likewise. (vectorizable_call): Likewise. (vectorizable_simd_clone_call): Likewise. (vectorizable_conversion): Likewise. (vectorizable_assignment): Likewise. (vectorizable_shift): Likewise. (vectorizable_operation): Likewise. * tree-vectorizer.h (DUMP_VECT_SCOPE): New macro. 2018-06-18 Martin Sebor PR tree-optimization/81384 * builtin-types.def (BT_FN_SIZE_CONST_STRING_SIZE): New. * builtins.c (expand_builtin_strnlen): New function. (expand_builtin): Call it. (fold_builtin_n): Avoid setting TREE_NO_WARNING. * builtins.def (BUILT_IN_STRNLEN): New. * calls.c (maybe_warn_nonstring_arg): Handle BUILT_IN_STRNLEN. Warn for bounds in excess of maximum object size. * tree-ssa-strlen.c (maybe_set_strlen_range): Return tree representing single-value ranges. Handle strnlen. (handle_builtin_strlen): Handle strnlen. (strlen_check_and_optimize_stmt): Same. * doc/extend.texi (Other Builtins): Document strnlen. 2018-06-18 Maya Rashish * config/alpha/openbsd.h (TARGET_DEFAULT): Define. (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Likewise. (INTMAX_TYPE, UINTMAX_TYPE, WINT_TYPE): Likewise. * config/alpha/elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Move from here to ... * config/alpha/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Here. 2018-06-18 Prathamesh Kulkarni * tree.c (escaped_string::escape): Replace cast to char * by const_cast (unescaped). 2018-06-18 Nick Clifton PR 84195 * tree.c (escaped_string): New class. Converts an unescaped string into its escaped equivalent. (warn_deprecated_use): Use the new class to convert the deprecation message, if present. (test_escaped_strings): New self test. (test_c_tests): Add test_escaped_strings. * doc/extend.texi (deprecated): Add a note that the deprecation message is affected by the -fmessage-length option, and that control characters will be escaped. (#pragma GCC error): Document this pragma. (#pragma GCC warning): Likewise. * doc/invoke.texi (-fmessage-length): Document this option's effect on the #warning and #error preprocessor directives and the deprecated attribute. 2018-06-18 Eric Botcazou * tree.c (decl_value_expr_lookup): Revert latest change. (decl_value_expr_insert): Likewise. 2018-06-17 Eric Botcazou * gimplify.c (nonlocal_vlas): Delete. (nonlocal_vla_vars): Likewise. (gimplify_var_or_parm_decl): Do not add debug VAR_DECLs for non-local referenced VLAs. (gimplify_body): Do not create and destroy nonlocal_vlas. * tree-nested.c: Include diagnostic.h. (use_pointer_in_frame): Tweak. (lookup_field_for_decl): Add assertion and declare the transformation. (convert_nonlocal_reference_op) : Rework and issue an internal error when the reference is in a wrong context. Do not create a debug decl by default. (note_nonlocal_block_vlas): Delete. (convert_nonlocal_reference_stmt) : Do not call it. (convert_local_reference_op) : Skip the frame decl. Do not create a debug decl by default. (convert_gimple_call) : Issue an internal error when the call is in a wrong context. (fixup_vla_decls): New function. (finalize_nesting_tree_1): Adjust comment. Call fixup_vla_decls if no debug variables were created. * tree.c (decl_value_expr_lookup): Add checking assertion. (decl_value_expr_insert): Likewise. 2018-06-16 Kugan Vivekanandarajah PR middle-end/82479 * ipa-fnsummary.c (will_be_nonconstant_expr_predicate): Handle CALL_EXPR. * tree-scalar-evolution.c (interpret_expr): Likewise. (expression_expensive_p): Likewise. * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Likewise. * tree-ssa-loop-niter.c (number_of_iterations_popcount): New. (number_of_iterations_exit_assumptions): Use number_of_iterations_popcount. (ssa_defined_by_minus_one_stmt_p): New. 2018-06-16 Kugan Vivekanandarajah PR middle-end/64946 * cfgexpand.c (expand_debug_expr): Hande ABSU_EXPR. * config/i386/i386.c (ix86_add_stmt_cost): Likewise. * dojump.c (do_jump): Likewise. * expr.c (expand_expr_real_2): Check operand type's sign. * fold-const.c (const_unop): Handle ABSU_EXPR. (fold_abs_const): Likewise. * gimple-pretty-print.c (dump_unary_rhs): Likewise. * gimple-ssa-backprop.c (backprop::process_assign_use): Likesie. (strip_sign_op_1): Likesise. * match.pd: Add new pattern to generate ABSU_EXPR. * optabs-tree.c (optab_for_tree_code): Handle ABSU_EXPR. * tree-cfg.c (verify_gimple_assign_unary): Likewise. * tree-eh.c (operation_could_trap_helper_p): Likewise. * tree-inline.c (estimate_operator_cost): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-vect-patterns.c (vect_recog_sad_pattern): Likewise. * tree.def (ABSU_EXPR): New. 2018-06-16 Jakub Jelinek PR middle-end/86095 * common.opt (Wunsafe-loop-optimizations): Add Ignore, remove Var, documented as preserved for backward compatibility only. * doc/invoke.texi: Remove -Wunsafe-loop-optimizations documentation. PR rtl-optimization/86108 * bb-reorder.c (create_forwarder_block): Renamed to ... (create_eh_forwarder_block): ... this. Split OLD_BB after labels and jump from new landing pad to the second part. (sjlj_fix_up_crossing_landing_pad, dw2_fix_up_crossing_landing_pad): Adjust callers. 2018-06-15 Jakub Jelinek PR middle-end/85878 * expr.c (expand_assignment): Remove now redundant COMPLEX_MODE_P check from first store_expr, use to_mode instead of GET_MODE (to_rtx). Only call store_expr for halves if the mode is the same. PR middle-end/86123 * match.pd ((X / Y) == 0 -> X < Y): Don't transform complex divisions. Fix up comment formatting. 2018-06-15 Bernd Edlinger * typed-splay-tree.h (typed_splay_tree::remove): New function. (typed_splay_tree::closure, typed_splay_tree::inner_foreach_fn, typed_splay_tree::m_inner): Deleted. (typed_splay_tree::typed_splay_tree, typed_splay_tree::operator =): Declared private. (typed_splay_tree::splay_tree_key, typed_splay_tree::splay_tree_value, typed_splay_tree::splay_tree_node_s, typed_splay_tree::KDEL, typed_splay_tree::VDEL, typed_splay_tree::splay_tree_delete_helper, typed_splay_tree::rotate_left, typed_splay_tree::rotate_right, typed_splay_tree::splay_tree_splay, typed_splay_tree::splay_tree_foreach_helper, typed_splay_tree::splay_tree_insert, typed_splay_tree::splay_tree_remove, typed_splay_tree::splay_tree_lookup, typed_splay_tree::splay_tree_predecessor, typed_splay_tree::splay_tree_successor, typed_splay_tree::splay_tree_min, typed_splay_tree::splay_tree_max): Took over from splay-tree.c/.h. (typed_splay_tree::root, typed_splay_tree::comp, typed_splay_tree::delete_key, typed_splay_tree::delete_value): New data members. * typed-splay-tree.c (selftest::test_str_to_int): Add a test for typed_splay_tree::remove. 2018-06-15 Matthew Fortune * config/mips/mips.h (ASM_SPEC): Pass through -mcrc, -mno-crc, -mginv and -mno-ginv to the assembler. * config/mips/mips.opt (-mcrc): New option. (-mginv): Likewise. * doc/invoke.text (-mcrc): Document. (-mginv): Likewise. 2018-06-15 Nick Clifton PR 84195 * tree.c (escaped_string): New class. Converts an unescaped string into its escaped equivalent. (warn_deprecated_use): Use the new class to convert the deprecation message, if present. (test_escaped_strings): New self test. (test_c_tests): Add test_escaped_strings. * doc/extend.texi (deprecated): Add a note that the deprecation message is affected by the -fmessage-length option, and that control characters will be escaped. (#pragma GCC error): Document this pragma. (#pragma GCC warning): Likewise. * doc/invoke.texi (-fmessage-length): Document this option's effect on the #warning and #error preprocessor directives and the deprecated attribute. 2018-06-15 Richard Biener * tree-vect-slp.c (vect_slp_bb): Dump MSG_OPTIMIZED_LOCATIONS here, also noting vector size used. * tree-vectorizer.c (vectorize_loops): Adjust. Note vector size used in MSG_OPTIMIZED_LOCATIONS dump. (pass_slp_vectorize::execute): Adjust. 2018-06-15 Claudiu Zissulescu PR target/85968 * config/arc/arc.c (arc_return_address_register): Fix if-condition. 2018-06-15 Richard Biener PR middle-end/86159 * tree-cfg.c (gimplify_build3): Do not strip sign conversions, leave useless conversion stripping to force_gimple_operand_gsi. (gimplify_build2): Likewise. (gimplify_build1): Likewise. 2018-06-15 Richard Biener PR middle-end/86076 * tree-cfg.c (move_stmt_op): unshare invariant addresses before adjusting their block. 2018-06-15 Sebastian Huber * config.gcc (riscv*-*-elf* | riscv*-*-rtems*): Use custom multilibs for *-*-rtems*. * config/riscv/t-rtems: New file. 2018-06-14 Jakub Jelinek PR middle-end/86122 * match.pd ((A +- CST1) +- CST2): Punt if last resort unsigned_type_for returns NULL. PR target/85945 * lower-subreg.c (find_decomposable_subregs): Don't decompose float subregs of multi-word pseudos unless the float mode has word size. 2018-06-14 Richard Biener PR middle-end/86139 * tree-vect-generic.c (build_word_mode_vector_type): Remove duplicate and harmful type_hash_canon. * tree.c (type_hash_canon): Assert we didn't find ourselves. 2018-06-14 Richard Biener PR ipa/86124 * tree-ssa-struct-alias.c (create_variable_info_for): Handle NULL cgraph_node. 2018-06-14 Sebastian Huber * config/rtems.h (STDINT_LONG32): Define. 2018-06-13 Matthew Fortune Prachi Godbole * config/mips/mips-cpus.def: Define P6600. * config/mips/mips-tables.opt: Regenerate. * config/mips/mips.c (mips_ucbranch_type): New enum. (mips_rtx_cost_data): Add support for P6600. (mips_issue_rate): Likewise. (mips_multipass_dfa_lookahead): Likewise. (mips_avoid_hazard): Likewise. (mips_reorg_process_insns): Likewise. (mips_classify_branch_p6600): New function. * config/mips/mips.h (TUNE_P6600): New define. (MIPS_ISA_LEVEL_SPEC): Infer mips64r6 from p6600. (ENABLE_LD_ST_PAIRS): Enable load/store bonding for p6600. * config/mips/mips.md: Include p6600.md. (processor): Add p6600. * config/mips/p6600.md: New file. * doc/invoke.texi: Add p6600 to supported architectures. 2018-06-13 Martin Sebor PR tree-optimization/86114 * gimple-fold.c (gimple_fold_builtin_strlen): Only handle LHS of integer types. * tree-ssa-strlen.c (maybe_set_strlen_range): Same. 2018-06-13 Richard Biener * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): Properly set vector type of the intermediate stmt. * tree-vect-stmts.c (vectorizable_operation): The destination var always has vectype_out type. 2018-06-13 Jeff Law * config/rl78/rl78.c (move_elim_pass): Use TDF_NONE rather than integer 0 for argument to print_rtl_with_bb. (rl78_reorg): Likewise. 2018-06-13 David Malcolm * config/arc/arc.c (hwloop_optimize): Strengthen local "end_label" from rtx to rtx_insn *. * config/bfin/bfin.c (hwloop_optimize): Likewise for local "label". (add_sched_insns_for_speculation): Likewise for local "target", converting usage of JUMP_LABEL to JUMP_LABEL_AS_INSN. * config/c6x/c6x.c (reorg_split_calls): Strengthen param "call_labels" from rtx_insn ** to rtx_code_label **. (reorg_emit_nops): Likewise. (c6x_reorg): Likewise for local "call_labels". * config/sh/sh-protos.h (get_dest_uid): Strengthen 1st param from rtx to rtx_insn *. * config/sh/sh.c (dump_table): Strengthen local "lab" from rtx to rtx_code_label *, adding safe_as_a casts to the loops over LABEL_REFS. (fixup_addr_diff_vecs): Add as_a to usage of braf_label. (barrier_align): Convert usage of JUMP_LABEL to JUMP_LABEL_AS_INSN. (get_dest_uid): Strengthen param "label" from rtx to rtx_insn *. (split_branches): Strengthen local "olabel" from rtx to rtx_insn *, adding a safe_as_a cast. * emit-rtl.c (next_real_insn): Strengthen param from "rtx" to "rtx_insn *". (add_insn_after): Likewise for first two params. (add_insn_before): Likewise. (remove_insn): Likewise for param. (emit_pattern_before_noloc): Likewise for second and third params. (emit_jump_insn_before_noloc): Convert NULL_RTX to NULL. (emit_call_insn_before_noloc): Likewise. (emit_debug_insn_before_noloc): Strengthen "before" param from "rtx" to "rtx_insn *". (emit_barrier_before): Likewise. (emit_label_before): Strengthen "label" param from "rtx" to "rtx_code_label *". Strengthen "before" param from "rtx" to "rtx_insn *". (emit_insn_after_1): Strengthen "after" param from "rtx" to "rtx_insn *". (emit_pattern_after_noloc): Likewise. (emit_insn_after_noloc): Likewise. (emit_jump_insn_after_noloc): Likewise. (emit_call_insn_after_noloc): Likewise. (emit_debug_insn_after_noloc): Likewise. (emit_barrier_after): Likewise. (emit_label_after): Likewise for both params. (emit_pattern_after_setloc): Likewise for "after" param. Convert "loc" param from "int" to "location_t". (emit_insn_after_setloc): Likewise. (emit_jump_insn_after_setloc): Likewise. (emit_call_insn_after_setloc): Likewise. (emit_debug_insn_after_setloc): Likewise. (emit_pattern_before_setloc): Likewise for "before" param. Convert "loc" param from "int" to "location_t". (emit_pattern_before): Convert NULL_RTX to NULL. (emit_insn_before_setloc): Convert "loc" param from "int" to "location_t". (emit_jump_insn_before_setloc): Likewise. (emit_call_insn_before_setloc): Likewise. (emit_debug_insn_before_setloc): Strengthen "before" param from rtx to rtx_insn *. Convert "loc" param from "int" to "location_t". * rtl.h (emit_insn_before_setloc, emit_jump_insn_before_setloc, emit_call_insn_before_setloc, emit_debug_insn_before_setloc): Convert 3rd param from "int" to "location_t". (emit_barrier_before, emit_barrier_after, next_real_insn): Strengthen param from rtx to rtx_insn *. (emit_label_before): Strengthen 1st param from "rtx" to "rtx_code_label *". Strengthen 2nd param from "rtx" to "rtx_insn *". (emit_insn_after_noloc, emit_jump_insn_after_noloc, emit_call_insn_after_noloc, emit_debug_insn_after_noloc): Strengthen 2nd param from "rtx" to "rtx_insn *". (emit_insn_after_setloc, emit_jump_insn_after_setloc) emit_call_insn_after_setloc, emit_debug_insn_after_setloc): Likewise. Convert 3rd param from "int" to "location_t". (emit_label_after): Strengthen 1st param from "rtx" to "rtx_code_label *". (next_real_insn, remove_insn): Strengthen param from "rtx" to "rtx_insn *". (add_insn_before, add_insn_after): Strengthen 1st and 2nd params from "rtx" to "rtx_insn *". 2018-06-13 Jan Hubicka * cgraph.c (cgraph_node::get_untransformed_body): Dump function bodies streamed in with -Q. * dumpfile.c (dump_files): Add lto-stream-out dump file. * dumpfile.h (tree_dump_index): Add lto_stream_out. * gimple-streamer-out.c: Include gimple-pretty-print.h (output_bb): Dump stmts streamed. * lto-section-out.c: Include print-tree.h (lto_begin_section): Dump sections created. (lto_output_decl_index): Dump decl encoded. * lto-streamer-out.c: Include print-tree.h (create_output_block): Dump output block created. (DFS::DFS_write_tree_body): Dump DFS SCCs streamed. (output_function): Dump function output. (output_constructor): Dump constructor streamed. (write_global_stream): Output indexes encoded. (produce_asm_for_decls): Dump streams encoded. * lto-streamer.c (streamer_dump_file): New global var. * lto-streamer.h (streamer_dump_file): Declare. * passes.c (ipa_write_summaries): Initialize streamer dump. * varpool.c (varpool_node::get_constructor): Dump constructors streamed in. 2018-06-13 Eric Botcazou PR target/86048 * config/i386/winnt.c (i386_pe_seh_cold_init): Do not emit negative offsets for register save directives. Emit a second batch of save directives, if need be, when the function accesses prior frames. 2018-06-12 Claudiu Zissulescu * config/arc/fpu.md (fmasf4): Force operand to register. (fnmasf4): Likewise. 2018-06-12 Claudiu Zissulescu * config/arc/arc-protos.h (arc_pad_return): Remove. * config/arc/arc.c (machine_function): Remove force_short_suffix and size_reason. (arc_print_operand): Adjust printing of '&'. (arc_verify_short): Remove conditional printing of short suffix. (arc_final_prescan_insn): Remove reference to size_reason. (pad_return): New function. (arc_reorg): Call pad_return. (arc_pad_return): Remove. (arc_init_machine_status): Remove reference to force_short_suffix. * config/arc/arc.md (vunspec): Add VUNSPEC_ARC_BLOCKAGE. (attr length): When attribute iscompact is true force to 2 regardless; in the case of maybe check if we want to force the instruction to have 4 bytes length. (nopv): Change it to generate 4 byte long nop as well. (blockage): New pattern. (simple_return): Remove call to arc_pad_return. (p_return_i): Likewise. 2018-06-12 Claudiu Zissulescu * config/arc/elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define. 2018-06-12 Claudiu Zissulescu * config/arc/builtins.def (SYNC): SYNC instruction is valid on all ARC cores. 2018-06-12 Claudiu Zissulescu * config/arc/arc.c (atomic_exchangesi): EX instruction is default for ARC700 and ARCv2. 2018-06-13 Chenghua Xu PR target/86076 * config/mips/loongson.md (vec_setv4hi): Gen_lowpart for operands[2] instead of operands[1]. 2018-06-12 Richard Sandiford * lra-constraints.c (simplify_operand_subreg): In the paradoxical case, check whether the outer register overlaps an unallocatable register, not just whether it fits the required class. 2018-06-12 Richard Sandiford * poly-int.h (can_div_trunc_p): Add new overload in which all values are poly_ints. * alias.c (get_addr): Extend CONST_INT handling to poly_int_rtx_p. (memrefs_conflict_p): Likewise. (init_alias_analysis): Likewise. * cfgexpand.c (expand_debug_expr): Likewise. * combine.c (combine_simplify_rtx, force_int_to_mode): Likewise. * cse.c (fold_rtx): Likewise. * explow.c (adjust_stack, anti_adjust_stack): Likewise. * expr.c (emit_block_move_hints): Likewise. (clear_storage_hints, push_block, emit_push_insn): Likewise. (store_expr_with_bounds, reduce_to_bit_field_precision): Likewise. (emit_group_load_1): Use rtx_to_poly_int64 for group offsets. (emit_group_store): Likewise. (find_args_size_adjust): Use strip_offset. Use rtx_to_poly_int64 to read the PRE/POST_MODIFY increment. * calls.c (store_one_arg): Use strip_offset. * rtlanal.c (rtx_addr_can_trap_p_1): Extend CONST_INT handling to poly_int_rtx_p. (set_noop_p): Use rtx_to_poly_int64 for the elements selected by a VEC_SELECT. * simplify-rtx.c (avoid_constant_pool_reference): Use strip_offset. (simplify_binary_operation_1): Extend CONST_INT handling to poly_int_rtx_p. * var-tracking.c (compute_cfa_pointer): Take a poly_int64 rather than a HOST_WIDE_INT. (hard_frame_pointer_adjustment): Change from HOST_WIDE_INT to poly_int64. (adjust_mems, add_stores): Update accodingly. (vt_canonicalize_addr): Track polynomial offsets. (emit_note_insn_var_location): Likewise. (vt_add_function_parameter): Likewise. (vt_initialize): Likewise. 2018-06-12 Jeff Law * config.gcc (alpha*-*-freebsd*): Remove. * config/alpha/freebsd.h: Remove. 2018-06-12 David Malcolm PR other/69968 * spellcheck-tree.c (levenshtein_distance): Rename to... (get_edit_distance): ...this, and update for underlying renaming. * spellcheck-tree.h (levenshtein_distance): Rename to... (get_edit_distance): ...this. * spellcheck.c (levenshtein_distance): Rename to... (get_edit_distance): ...this. Convert from Levenshtein distance to Damerau-Levenshtein distance by supporting transpositions of adjacent characters. Rename "v1" to "v_next" and "v0" to "v_one_ago". (selftest::levenshtein_distance_unit_test_oneway): Rename to... (selftest::test_edit_distance_unit_test_oneway): ...this, and update for underlying renaming. (selftest::levenshtein_distance_unit_test): Rename to... (selftest::test_get_edit_distance_unit): ...this, and update for underlying renaming. (selftest::test_find_closest_string): Add example from PR 69968 where transposition helps (selftest::test_metric_conditions): Update for renaming. (selftest::test_metric_conditions): Likewise. (selftest::spellcheck_c_tests): Likewise. * spellcheck.h (levenshtein_distance): Rename both overloads to... (get_edit_distance): ...this. (best_match::consider): Update for renaming. 2018-06-12 Martin Sebor PR tree-optimization/85259 * builtins.c (compute_objsize): Handle constant offsets. * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Return true iff a warning has been issued. * gimple.h (gimple_nonartificial_location): New function. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Call gimple_nonartificial_location and handle -Wno-system-headers. (handle_builtin_stxncpy): Same. 2018-06-12 Martin Sebor PR c/85931 * fold-const.c (operand_equal_p): Handle SAVE_EXPR. 2018-06-12 Will Schmidt * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add BUILTIN_VEC_XST entries for pointer to double and long long. 2018-06-12 H.J. Lu PR target/85990 * config/i386/gnu-user.h (TARGET_THREAD_SPLIT_STACK_OFFSET): Update comments. * config/i386/gnu-user64.h (TARGET_THREAD_SPLIT_STACK_OFFSET): Likewise. 2018-06-12 Martin Liska * doc/options.texi: Document IntegerRange. 2018-06-12 Martin Liska * config/i386/i386.opt: Make MPX-related options as Deprecated. * opt-functions.awk: Handle Deprecated flag. * opts-common.c (decode_cmdline_option): Handle cl_deprecated and report error. (read_cmdline_option): Report warning for a deprecated option. * opts.h (struct cl_option): Add new field cl_deprecated. (CL_ERR_DEPRECATED): New. 2018-06-12 Martin Liska * doc/options.texi: Document Deprecated option flag. 2018-06-12 Claudiu Zissulescu * config/arc/arc-arch.h (arc_extras): New enum. (arc_cpu_t):Add field extra. (arc_cpu_types): Consider the extras. * config/arc/arc-cpus.def: Add extras info. * config/arc/arc-opts.h (processor_type): Consider extra field. * config/arc/arc.c (arc_override_options): Handle extra field. 2018-06-12 Claudiu Zissulescu * config/arc/arc-arch.h: Update ARC_OPTX macro. * config/arc/arc-options.def (ARC_OPTX): Introduce a new doc field. * config/arc/arc.c (arc_init): Update pic warning. (irq_range): Update irq range parsing warnings. (arc_override_options): Update various warning messages. (arc_handle_aux_attribute): Likewise. 2018-06-12 Robert Suchanek * config/mips/i6400.md (i6400_fpu_fadd): Remove frint. 2018-06-12 Jozef Lawrynowicz * doc/sourcebuild.texi: Document usage of line number 0 in verify compiler messages directives. 2018-06-12 Matthew Fortune * config/mips/mips-cpus.def: New MIPS_CPU for i6500. * config/mips/mips-tables.opt: Regenerate. * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Mark i6500 as mips64r6. * doc/invoke.texi: Document -march=i6500. 2018-06-12 Prachi Godbole * config/mips/i6400.md (i6400_gpmuldiv): Remove cpu_unit. (i6400_gpmul): Add cpu_unit. (i6400_gpdiv): Likewise. (i6400_msa_add_d): Update reservations. (i6400_msa_int_add) Likewise. (i6400_msa_short_logic3) Likewise. (i6400_msa_short_logic2) Likewise. (i6400_msa_short_logic) Likewise. (i6400_msa_move) Likewise. (i6400_msa_cmp) Likewise. (i6400_msa_short_float2) Likewise. (i6400_msa_div_d) Likewise. (i6400_msa_long_logic1) Likewise. (i6400_msa_long_logic2) Likewise. (i6400_msa_mult) Likewise. (i6400_msa_long_float2) Likewise. (i6400_msa_long_float4) Likewise. (i6400_msa_long_float5) Likewise. (i6400_msa_long_float8) Likewise. (i6400_fpu_fadd): Include frint type. (i6400_fpu_store): New define_insn_reservation. (i6400_fpu_load): Likewise. (i6400_fpu_move): Likewise. (i6400_fpu_fcmp): Likewise. (i6400_fpu_fmadd): Likewise. (i6400_int_mult): Include imul3nc type and update reservation. (i6400_int_div): Include idiv3 type and update reservation. (i6400_int_load): Update to check type not move_type. (i6400_int_store): Likewise. (i6400_int_prefetch): Set zero latency. 2018-06-12 Eric Botcazou * gcc.c: Document new %@{...} sequence. (LINK_COMMAND_SPEC): Use it for the -L switches. (cpp_unique_options): Use it for the -I switches. (at_file_argbuf): New global variable. (in_at_file): Likewise. (alloc_args): Create at_file_argbuf. (clear_args): Truncate at_file_argbuf. (store_arg): If in_at_file, push the argument onto at_file_argbuf. (open_at_file): New function. (close_at_file): Likewise. (create_at_file): Delete. (do_spec_1) <'i'>: Use open_at_file/close_at_file. <'o'>: Likewise. <'@'>: New case. (validate_switches_from_spec): Deal with %@{...} sequence. (validate_switches): Likewise. (driver::finalize): Call clear_args. 2018-06-11 Rasmus Villemoes * config/vx-common.h (USE_TM_CLONE_REGISTRY): #define to 0. 2018-06-11 Martin Sebor * doc/invoke.texi (-Wall): List -Wc++17-compat. (Wno-class-memaccess): Add @opindex. (Wno-templates, Wno-multiple-inheritance): Same. (Wno-virtual-inheritance, Wno-namespaces): Same. (Wno-pedantic, Wno-chkp, Wcoverage-mismatch): Same. (Wno-format-overflow, Wno-format-truncation): Same. (Wno-unused-local-typedefs, Walloc-size-larger-than): Same. (Wno-alloc-size-larger-than, Wframe-larger-than): Same (Wno-stack-usage, Wno-c++-compat, Wno-c++11-compat): Same. (Wno-c++14-compat, Wno-c++17-compat, Wno-openmp-simd): Same. (Wno-unsuffixed-float-constants, Wno-addr-space-convert): Same. (Wno-misspelled-isr): Same. 2018-06-11 Martin Sebor * PR tree-optimization/86083 * tree-ssa-strlen.c (handle_char_store): Use tree_expr_nonzero_p. 2018-06-11 Zhouyi Zhou * tree-eh.c (lower_eh_constructs_2): Add a comma to comment. 2018-06-11 Segher Boessenkool PR target/85755 * config/rs6000/rs6000.md (*movdi_internal32): Put constraint modifiers on the correct operand. (*movdi_internal64): Ditto. 2018-06-11 Martin Liska PR tree-optimization/86089 * tree-ssa-strlen.c (get_string_length): Move back removed hunk. 2018-06-11 Julia Koval * config/i386/vaesintrin.h (_mm_aesdec_epi128, _mm_aesdeclast_epi128) _mm_aesenc_epi128, _mm_aesenclast_epi128: Remove. * config/i386/vpclmulqdqintrin.h (_mm_clmulepi64_epi128): Remove. 2018-06-11 Olivier Hainque * dwarf2out.c (gen_compile_unit_die): Fallout to DW_LANG_Ada83 for Ada with strict dwarf2. 2018-06-08 Peter Bergner PR target/85755 * config/rs6000/rs6000.c (mem_operand_gpr): Enable PRE_INC and PRE_DEC addresses. 2018-06-08 Jan Hubicka * dumpfile.c (FIRST_ME_AUTO_NUMBERED_DUMP): Bump to 4. 2018-06-08 David Edelsohn * config/rs6000/rs6000.c (rs6000_passes_ieee128): Protect with #if TARGET_ELF. 2018-06-08 Martin Liska * tree-cfg.h (debug_function): Fix argument type to match implementation. 2018-06-08 Martin Liska * config/powerpcspe/powerpcspe.c (rs6000_xcoff_visibility): Remove usage of MPX-related (and removed) fields. * config/rs6000/rs6000.c (rs6000_xcoff_visibility): Likewise. 2018-06-08 David Malcolm * cfg.c (debug): Use TDF_NONE rather than 0. * cfghooks.c (debug): Likewise. * dumpfile.c (DUMP_FILE_INFO): Likewise; also for OPTGROUP. (struct dump_option_value_info): Convert to... (struct kv_pair): ...this template type. (dump_options): Convert to kv_pair; use TDF_NONE rather than 0. (optinfo_verbosity_options): Likewise. (optgroup_options): Convert to kv_pair; use OPTGROUP_NONE. (gcc::dump_manager::dump_register): Use optgroup_flags_t rather than int for "optgroup_flags" param. (dump_generic_expr_loc): Use dump_flags_t rather than int for "dump_kind" param. (dump_dec): Likewise. (dump_finish): Use TDF_NONE rather than 0. (gcc::dump_manager::opt_info_enable_passes): Use optgroup_flags_t rather than int for "optgroup_flags" param. Use TDF_NONE rather than 0. Update for change to option_ptr. (opt_info_switch_p_1): Convert "optgroup_flags" param from int * to optgroup_flags_t *. Use TDF_NONE and OPTGROUP_NONE rather than 0. Update for changes to optinfo_verbosity_options and optgroup_options. (opt_info_switch_p): Convert optgroup_flags from int to optgroup_flags_t. (dump_basic_block): Use dump_flags_t rather than int for "dump_kind" param. * dumpfile.h (TDF_ADDRESS, TDF_SLIM, TDF_RAW, TDF_DETAILS, TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO, TDF_UID) TDF_STMTADDR, TDF_GRAPH, TDF_MEMSYMS, TDF_RHS_ONLY, TDF_ASMNAME, TDF_EH, TDF_NOUID, TDF_ALIAS, TDF_ENUMERATE_LOCALS, TDF_CSELIB, TDF_SCEV, TDF_GIMPLE, TDF_FOLDING, MSG_OPTIMIZED_LOCATIONS, MSG_MISSED_OPTIMIZATION, MSG_NOTE, MSG_ALL, TDF_COMPARE_DEBUG, TDF_NONE): Convert from macros to... (enum dump_flag): ...this new enum. (dump_flags_t): Update to use enum. (operator|, operator&, operator~, operator|=, operator&=): Implement for dump_flags_t. (OPTGROUP_NONE, OPTGROUP_IPA, OPTGROUP_LOOP, OPTGROUP_INLINE, OPTGROUP_OMP, OPTGROUP_VEC, OPTGROUP_OTHER, OPTGROUP_ALL): Convert from macros to... (enum optgroup_flag): ...this new enum. (optgroup_flags_t): New typedef. (operator|, operator|=): Implement for optgroup_flags_t. (struct dump_file_info): Convert field "alt_flags" to dump_flags_t. Convert field "optgroup_flags" to optgroup_flags_t. (dump_basic_block): Use dump_flags_t rather than int for param. (dump_generic_expr_loc): Likewise. (dump_dec): Likewise. (dump_register): Convert param "optgroup_flags" to optgroup_flags_t. (opt_info_enable_passes): Likewise. * early-remat.c (early_remat::dump_edge_list): Use TDF_NONE rather than 0. * gimple-pretty-print.c (debug): Likewise. * gimple-ssa-store-merging.c (bswap_replace): Likewise. (merged_store_group::apply_stores): Likewise. * gimple-ssa-strength-reduction.c (insert_initializers): Likewise. * gimple.c (verify_gimple_pp): Likewise. * graphite-poly.c (print_pbb_body): Likewise. * passes.c (pass_manager::register_one_dump_file): Convert local "optgroup_flags" to optgroup_flags_t. * print-tree.c (print_node): Use TDF_NONE rather than 0. (debug): Likewise. (debug_body): Likewise. * tree-pass.h (struct pass_data): Convert field "optgroup_flags" to optgroup_flags_t. * tree-pretty-print.c (print_struct_decl): Use TDF_NONE rather than 0. * tree-ssa-math-opts.c (convert_mult_to_fma_1): Likewise. (convert_mult_to_fma): Likewise. * tree-ssa-reassoc.c (undistribute_ops_list): Likewise. * tree-ssa-sccvn.c (vn_eliminate): Likewise. * tree-vect-data-refs.c (dump_lower_bound): Convert param "dump_kind" to dump_flags_t. 2018-06-08 Segher Boessenkool * config/rs6000/rs6000.c (min, max): Delete. 2018-06-08 Segher Boessenkool * doc/invoke.texi (RS/6000 and PowerPC Options): Delete mention of -mabi=spe and -mabi=no-spe. 2018-06-08 Martin Liska * ipa-pure-const.c (propagate_pure_const): Use ::get at places where we expect an existing summary. 2018-06-08 Martin Liska * ipa-inline-analysis.c (simple_edge_hints): Use ::get method. * ipa-inline.h (estimate_edge_growth): Likewise. 2018-06-08 Martin Liska * cgraph.c (function_version_hasher::hash): Use cgraph_node::get_uid (). (function_version_hasher::equal): * cgraph.h (cgraph_node::get_uid): New method. * ipa-inline.c (update_caller_keys): Use cgraph_node::get_uid (). (update_callee_keys): Likewise. * ipa-utils.c (searchc): Likewise. (ipa_reduced_postorder): Likewise. * lto-cgraph.c (input_node): Likewise. * passes.c (is_pass_explicitly_enabled_or_disabled): Likewise. * symbol-summary.h (symtab_insertion): Likewise. (symtab_removal): Likewise. (symtab_duplication): Likewise. * tree-pretty-print.c (dump_function_header): Likewise. * tree-sra.c (convert_callers_for_node): Likewise. 2018-06-08 Martin Liska * cgraph.c (symbol_table::create_edge): Always assign a new unique number. (symbol_table::free_edge): Do not recycle numbers. * cgraph.h (cgraph_edge::get): New method. * symbol-summary.h (symtab_removal): Use it. (symtab_duplication): Likewise. (call_summary::hashable_uid): Remove. 2018-06-08 Martin Liska * ipa-inline-analysis.c (inline_edge_removal_hook): Remove. (initialize_growth_caches): Remove. (free_growth_caches): Likewise. (do_estimate_edge_time): Use edge_growth_cache. (do_estimate_edge_size): Likewise. (do_estimate_edge_hints): Likewise. * ipa-inline.c (reset_edge_caches): Likewise. (recursive_inlining): Likewise. (inline_small_functions): Likewise. * ipa-inline.h (initialize_growth_caches): Remove. (estimate_edge_size): Likewise. (estimate_edge_time): Likewise. (estimate_edge_hints): Likewise. (reset_edge_growth_cache): Likewise. * symbol-summary.h (call_summary::remove): New method. 2018-06-08 Martin Liska * ipa-cp.c (class edge_clone_summary): New summary. (grow_edge_clone_vectors): Remove. (ipcp_edge_duplication_hook): Remove. (class edge_clone_summary_t): New call_summary class. (ipcp_edge_removal_hook): Remove. (edge_clone_summary_t::duplicate): New function. (get_next_cgraph_edge_clone): Use edge_clone_summaries. (create_specialized_node): Likewise. (ipcp_driver): Initialize edge_clone_summaries and do not register hooks. 2018-06-08 Martin Liska * symbol-summary.h (get): New function. (call_summary::m_initialize_when_cloning): New class member. 2018-06-08 Martin Liska * cgraph.c (cgraph_node::remove): Do not recycle uid. * cgraph.h (symbol_table::release_symbol): Do not pass uid. (symbol_table::allocate_cgraph_symbol): Do not set uid. * passes.c (uid_hash_t): Record removed_nodes by their uids. (remove_cgraph_node_from_order): Use the removed_nodes set. (do_per_function_toporder): Likwise. * symbol-summary.h (symtab_insertion): Use cgraph_node::uid instead of summary_uid. (symtab_removal): Likewise. (symtab_duplication): Likewise. 2018-06-08 Martin Liska * ipa-cp.c (ipcp_store_bits_results): Use ipcp_transformation_sum. (ipcp_store_vr_results): Likewise. * ipa-prop.c (ipcp_grow_transformations_if_necessary): Renamed to ... (ipcp_transformation_initialize): ... this. (ipa_set_node_agg_value_chain): (ipa_node_params_t::duplicate): Use ipcp_transformation_sum. (write_ipcp_transformation_info): Likewise. (read_ipcp_transformation_info): Likewise. (ipcp_update_bits): Likewise. (ipcp_update_vr): Likewise. (ipcp_transform_function): Likewise. * ipa-prop.h: Rename ipcp_transformation_summary to ipcp_transformation. (class ipcp_transformation_t): New function summary. (ipcp_get_transformation_summary): Use ipcp_transformation_sum. (ipa_get_agg_replacements_for_node): Likewise. 2018-06-08 Martin Liska * ipa-pure-const.c (struct funct_state_d): Do it class instead of struct. (class funct_state_summary_t): New function_summary class. (has_function_state): Remove. (get_function_state): Likewise. (set_function_state): Likewise. (add_new_function): Likewise. (funct_state_summary_t::insert): New function. (duplicate_node_data): Remove. (remove_node_data): Remove. (funct_state_summary_t::duplicate): New function. (register_hooks): Create new funct_state_summaries. (pure_const_generate_summary): Use it. (pure_const_write_summary): Likewise. (pure_const_read_summary): Likewise. (propagate_pure_const): Likewise. (propagate_nothrow): Likewise. (dump_malloc_lattice): Likewise. (propagate_malloc): Likewise. (execute): Do not register hooks, just remove summary instead. (pass_ipa_pure_const::pass_ipa_pure_const): Simplify constructor. 2018-06-08 Martin Liska * ipa-reference.c (remove_node_data): Remove. (duplicate_node_data): Likewise. (class ipa_ref_var_info_summary_t): New class. (class ipa_ref_opt_summary_t): Likewise. (get_reference_vars_info): Use ipa_ref_var_info_summaries. (get_reference_optimization_summary): Use ipa_ref_opt_sum_summaries. (set_reference_vars_info): Remove. (set_reference_optimization_summary): Likewise. (ipa_init): Create summaries. (init_function_info): Use function summary. (ipa_ref_opt_summary_t::duplicate): New function. (ipa_ref_opt_summary_t::remove): New function. (get_read_write_all_from_node): Fix GNU coding style. (propagate): Use function summary. (write_node_summary_p): Fix GNU coding style. (stream_out_bitmap): Likewise. (ipa_reference_read_optimization_summary): Use function summary. (ipa_reference_c_finalize): Do not release hooks. 2018-06-08 Martin Liska * ipa-fnsummary.c (dump_ipa_call_summary): Use ::get method. (analyze_function_body): Extract multiple calls of get_create. * ipa-inline-analysis.c (simple_edge_hints): Likewise. * ipa-inline.c (recursive_inlining): Use ::get method. * ipa-inline.h (estimate_edge_growth): Likewise. 2018-06-08 Martin Liska * hsa-common.h (enum hsa_function_kind): Rename HSA_NONE to HSA_INVALID. (hsa_function_summary::hsa_function_summary): Use the new enum value. (hsa_gpu_implementation_p): Use hsa_summaries::get. * hsa-gen.c (hsa_get_host_function): Likewise. (get_brig_function_name): Likewise. * ipa-hsa.c (process_hsa_functions): Likewise. (ipa_hsa_write_summary): Likewise. * symbol-summary.h (symtab_duplication): Use ::get function/ (get): New function. 2018-06-08 Martin Liska * config/i386/i386.c (ix86_can_inline_p): Use get_create instead of get. * hsa-common.c (hsa_summary_t::link_functions): Likewise. (hsa_register_kernel): Likewise. * hsa-common.h (hsa_gpu_implementation_p): Likewise. * hsa-gen.c (hsa_get_host_function): Likewise. (get_brig_function_name): Likewise. (generate_hsa): Likewise. (pass_gen_hsail::execute): Likewise. * ipa-cp.c (ipcp_cloning_candidate_p): Likewise. (devirtualization_time_bonus): Likewise. (ipcp_propagate_stage): Likewise. * ipa-fnsummary.c (redirect_to_unreachable): Likewise. (edge_set_predicate): Likewise. (evaluate_conditions_for_known_args): Likewise. (evaluate_properties_for_edge): Likewise. (ipa_fn_summary::reset): Likewise. (ipa_fn_summary_t::duplicate): Likewise. (dump_ipa_call_summary): Likewise. (ipa_dump_fn_summary): Likewise. (analyze_function_body): Likewise. (compute_fn_summary): Likewise. (estimate_edge_devirt_benefit): Likewise. (estimate_edge_size_and_time): Likewise. (estimate_calls_size_and_time): Likewise. (estimate_node_size_and_time): Likewise. (inline_update_callee_summaries): Likewise. (remap_edge_change_prob): Likewise. (remap_edge_summaries): Likewise. (ipa_merge_fn_summary_after_inlining): Likewise. (ipa_update_overall_fn_summary): Likewise. (read_ipa_call_summary): Likewise. (inline_read_section): Likewise. (write_ipa_call_summary): Likewise. (ipa_fn_summary_write): Likewise. (ipa_free_fn_summary): Likewise. * ipa-hsa.c (process_hsa_functions): Likewise. (ipa_hsa_write_summary): Likewise. (ipa_hsa_read_section): Likewise. * ipa-icf.c (sem_function::merge): Likewise. * ipa-inline-analysis.c (simple_edge_hints): Likewise. (do_estimate_edge_time): Likewise. (estimate_size_after_inlining): Likewise. (estimate_growth): Likewise. (growth_likely_positive): Likewise. * ipa-inline-transform.c (clone_inlined_nodes): Likewise. (inline_call): Likewise. * ipa-inline.c (caller_growth_limits): Likewise. (can_inline_edge_p): Likewise. (can_inline_edge_by_limits_p): Likewise. (compute_uninlined_call_time): Likewise. (compute_inlined_call_time): Likewise. (want_inline_small_function_p): Likewise. (edge_badness): Likewise. (update_caller_keys): Likewise. (update_callee_keys): Likewise. (recursive_inlining): Likewise. (inline_small_functions): Likewise. (inline_to_all_callers_1): Likewise. (dump_overall_stats): Likewise. (early_inline_small_functions): Likewise. (early_inliner): Likewise. * ipa-inline.h (estimate_edge_growth): Likewise. * ipa-profile.c (ipa_propagate_frequency_1): Likewise. * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise. * ipa-prop.h (IPA_NODE_REF): Likewise. (IPA_EDGE_REF): Likewise. * ipa-pure-const.c (malloc_candidate_p): Likewise. (propagate_malloc): Likewise. * ipa-split.c (execute_split_functions): Likewise. * symbol-summary.h: Rename get to get_create. (get): Likewise. (get_create): Likewise. * tree-sra.c (ipa_sra_preliminary_function_checks): Likewise. 2018-06-08 Martin Liska * symbol-summary.h (release): Move definition out of class declaration. (symtab_removal): Likewise. (symtab_duplication): Likewise. 2018-06-08 Martin Liska * symbol-summary.h (function_summary): Move constructor implementation out of class declaration. (release): Likewise. (symtab_insertion): Likewise. (symtab_removal): Likewise. (symtab_duplication): Likewise. (get): Likewise. 2018-06-08 Martin Liska * Makefile.in: Remove support for MPX (macros, related functions, fields in cgraph_node, ...). * builtin-types.def (BT_BND): Likewise. (BT_FN_BND_CONST_PTR): Likewise. (BT_FN_CONST_PTR_BND): Likewise. (BT_FN_VOID_PTR_BND): Likewise. (BT_FN_BND_CONST_PTR_SIZE): Likewise. (BT_FN_VOID_CONST_PTR_BND_CONST_PTR): Likewise. * builtins.c (expand_builtin_memcpy_with_bounds): Likewise. (expand_builtin_mempcpy_with_bounds): Likewise. (expand_builtin_memset_with_bounds): Likewise. (expand_builtin_memset_args): Likewise. (std_expand_builtin_va_start): Likewise. (expand_builtin): Likewise. (expand_builtin_with_bounds): Likewise. * builtins.def (DEF_BUILTIN_CHKP): Likewise. (DEF_LIB_BUILTIN_CHKP): Likewise. (DEF_EXT_LIB_BUILTIN_CHKP): Likewise. (DEF_CHKP_BUILTIN): Likewise. (BUILT_IN_MEMCPY): Likewise. (BUILT_IN_MEMMOVE): Likewise. (BUILT_IN_MEMPCPY): Likewise. (BUILT_IN_MEMSET): Likewise. (BUILT_IN_STPCPY): Likewise. (BUILT_IN_STRCAT): Likewise. (BUILT_IN_STRCHR): Likewise. (BUILT_IN_STRCPY): Likewise. (BUILT_IN_STRLEN): Likewise. (BUILT_IN_MEMCPY_CHK): Likewise. (BUILT_IN_MEMMOVE_CHK): Likewise. (BUILT_IN_MEMPCPY_CHK): Likewise. (BUILT_IN_MEMSET_CHK): Likewise. (BUILT_IN_STPCPY_CHK): Likewise. (BUILT_IN_STRCAT_CHK): Likewise. (BUILT_IN_STRCPY_CHK): Likewise. * calls.c (store_bounds): Likewise. (emit_call_1): Likewise. (special_function_p): Likewise. (maybe_warn_nonstring_arg): Likewise. (initialize_argument_information): Likewise. (finalize_must_preallocate): Likewise. (compute_argument_addresses): Likewise. (expand_call): Likewise. * cfgexpand.c (expand_call_stmt): Likewise. (expand_return): Likewise. (expand_gimple_stmt_1): Likewise. (pass_expand::execute): Likewise. * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise. (cgraph_node::remove): Likewise. (cgraph_node::dump): Likewise. (cgraph_node::verify_node): Likewise. * cgraph.h (chkp_function_instrumented_p): Likewise. (symtab_node::get_alias_target): Likewise. (cgraph_node::can_remove_if_no_direct_calls_and_refs_p): Likewise. (cgraph_local_p): Likewise. * cgraphbuild.c (cgraph_edge::rebuild_edges): Likewise. (cgraph_edge::rebuild_references): Likewise. * cgraphunit.c (varpool_node::finalize_decl): Likewise. (walk_polymorphic_call_targets): Likewise. (cgraph_node::expand_thunk): Likewise. (symbol_table::output_weakrefs): Likewise. * common/config/i386/i386-common.c (OPTION_MASK_ISA2_GENERAL_REGS_ONLY_UNSET): Likewise. (ix86_handle_option): Likewise. * config/i386/constraints.md: Likewise. * config/i386/i386-builtin-types.def (BND): Likewise. (VOID): Likewise. (PVOID): Likewise. (ULONG): Likewise. * config/i386/i386-builtin.def (BDESC_END): Likewise. (BDESC_FIRST): Likewise. (BDESC): Likewise. * config/i386/i386-c.c (ix86_target_macros_internal): Likewise. * config/i386/i386-protos.h (ix86_bnd_prefixed_insn_p): Likewise. * config/i386/i386.c (enum reg_class): Likewise. (ix86_target_string): Likewise. (ix86_option_override_internal): Likewise. (ix86_conditional_register_usage): Likewise. (ix86_valid_target_attribute_inner_p): Likewise. (ix86_set_indirect_branch_type): Likewise. (ix86_set_current_function): Likewise. (ix86_function_arg_regno_p): Likewise. (init_cumulative_args): Likewise. (ix86_function_arg_advance): Likewise. (ix86_function_arg): Likewise. (ix86_pass_by_reference): Likewise. (ix86_function_value_regno_p): Likewise. (ix86_function_value_1): Likewise. (ix86_function_value_bounds): Likewise. (ix86_return_in_memory): Likewise. (ix86_setup_incoming_vararg_bounds): Likewise. (ix86_va_start): Likewise. (indirect_thunk_need_prefix): Likewise. (print_reg): Likewise. (ix86_print_operand): Likewise. (ix86_expand_call): Likewise. (ix86_output_function_return): Likewise. (reg_encoded_number): Likewise. (BDESC_VERIFYS): Likewise. (ix86_init_mpx_builtins): Likewise. (ix86_init_builtins): Likewise. (ix86_emit_cmove): Likewise. (ix86_emit_move_max): Likewise. (ix86_expand_builtin): Likewise. (ix86_builtin_mpx_function): Likewise. (ix86_get_arg_address_for_bt): Likewise. (ix86_load_bounds): Likewise. (ix86_store_bounds): Likewise. (ix86_load_returned_bounds): Likewise. (ix86_store_returned_bounds): Likewise. (ix86_class_likely_spilled_p): Likewise. (ix86_hard_regno_mode_ok): Likewise. (x86_order_regs_for_local_alloc): Likewise. (ix86_mitigate_rop): Likewise. (ix86_bnd_prefixed_insn_p): Likewise. (ix86_mpx_bound_mode): Likewise. (ix86_make_bounds_constant): Likewise. (ix86_initialize_bounds): Likewise. (TARGET_LOAD_BOUNDS_FOR_ARG): Likewise. (TARGET_STORE_BOUNDS_FOR_ARG): Likewise. (TARGET_LOAD_RETURNED_BOUNDS): Likewise. (TARGET_STORE_RETURNED_BOUNDS): Likewise. (TARGET_CHKP_BOUND_MODE): Likewise. (TARGET_BUILTIN_CHKP_FUNCTION): Likewise. (TARGET_CHKP_FUNCTION_VALUE_BOUNDS): Likewise. (TARGET_CHKP_MAKE_BOUNDS_CONSTANT): Likewise. (TARGET_CHKP_INITIALIZE_BOUNDS): Likewise. * config/i386/i386.h (TARGET_MPX): Likewise. (TARGET_MPX_P): Likewise. (VALID_BND_REG_MODE): Likewise. (FIRST_BND_REG): Likewise. (LAST_BND_REG): Likewise. (enum reg_class): Likewise. (BND_REG_P): Likewise. (BND_REGNO_P): Likewise. (BNDmode): Likewise. (ADJUST_INSN_LENGTH): Likewise. * config/i386/i386.md: Likewise. * config/i386/i386.opt: Likewise. * config/i386/linux-common.h (LIBMPX_LIBS): Likewise. (defined): Likewise. (LINK_MPX): Likewise. (MPX_SPEC): Likewise. (LIBMPX_SPEC): Likewise. (LIBMPXWRAPPERS_SPEC): Likewise. (CHKP_SPEC): Likewise. * config/i386/predicates.md: Likewise. * dbxout.c (dbxout_type): Likewise. * doc/extend.texi: Likewise. * doc/invoke.texi: Likewise. * doc/md.texi: Likewise. * doc/tm.texi: Likewise. * doc/tm.texi.in: Likewise. * dwarf2out.c (is_base_type): Likewise. (gen_formal_types_die): Likewise. (gen_subprogram_die): Likewise. (gen_type_die_with_usage): Likewise. (gen_decl_die): Likewise. (dwarf2out_late_global_decl): Likewise. * expr.c (expand_assignment): Likewise. (emit_storent_insn): Likewise. (store_expr_with_bounds): Likewise. (store_expr): Likewise. (expand_expr_real_1): Likewise. * expr.h (store_expr_with_bounds): Likewise. * function.c (use_register_for_decl): Likewise. (struct bounds_parm_data): Likewise. (assign_parms_augmented_arg_list): Likewise. (assign_parm_find_entry_rtl): Likewise. (assign_parm_is_stack_parm): Likewise. (assign_parm_load_bounds): Likewise. (assign_bounds): Likewise. (assign_parms): Likewise. (expand_function_start): Likewise. * gcc.c (CHKP_SPEC): Likewise. * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise. * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Likewise. (wrestrict_dom_walker::check_call): Likewise. * gimple.c (gimple_build_call_from_tree): Likewise. * gimple.h (enum gf_mask): Likewise. (gimple_call_with_bounds_p): Likewise. (gimple_call_set_with_bounds): Likewise. * gimplify.c (gimplify_init_constructor): Likewise. * ipa-cp.c (initialize_node_lattices): Likewise. (propagate_constants_across_call): Likewise. (find_more_scalar_values_for_callers_subset): Likewise. * ipa-hsa.c (process_hsa_functions): Likewise. * ipa-icf-gimple.c (func_checker::compare_gimple_call): Likewise. * ipa-icf.c (sem_function::merge): Likewise. * ipa-inline.c (early_inliner): Likewise. * ipa-pure-const.c (warn_function_noreturn): Likewise. (warn_function_cold): Likewise. (propagate_pure_const): Likewise. * ipa-ref.h (enum GTY): Likewise. * ipa-split.c (find_retbnd): Likewise. (consider_split): Likewise. (split_function): Likewise. * ipa-visibility.c (cgraph_externally_visible_p): Likewise. * ipa.c (walk_polymorphic_call_targets): Likewise. (symbol_table::remove_unreachable_nodes): Likewise. (process_references): Likewise. (cgraph_build_static_cdtor_1): Likewise. * lto-cgraph.c (lto_output_node): Likewise. (output_refs): Likewise. (compute_ltrans_boundary): Likewise. (input_overwrite_node): Likewise. (input_node): Likewise. (input_cgraph_1): Likewise. * params.def (PARAM_CHKP_MAX_CTOR_SIZE): Likewise. * passes.c (pass_manager::execute_early_local_passes): Likewise. (class pass_chkp_instrumentation_passes): Likewise. (make_pass_chkp_instrumentation_passes): Likewise. * passes.def: Likewise. * rtl.h (struct GTY): Likewise. (CALL_EXPR_WITH_BOUNDS_P): Likewise. * stor-layout.c (layout_type): Likewise. * symtab.c: Likewise. * target.def: Likewise. * targhooks.c (default_chkp_bound_type): Likewise. (default_chkp_bound_mode): Likewise. (default_builtin_chkp_function): Likewise. (default_chkp_function_value_bounds): Likewise. (default_chkp_make_bounds_constant): Likewise. (default_chkp_initialize_bounds): Likewise. * targhooks.h (default_chkp_bound_type): Likewise. (default_chkp_bound_mode): Likewise. (default_builtin_chkp_function): Likewise. (default_chkp_function_value_bounds): Likewise. (default_chkp_make_bounds_constant): Likewise. (default_chkp_initialize_bounds): Likewise. * toplev.c (compile_file): Likewise. (process_options): Likewise. * tree-core.h (DEF_BUILTIN): Likewise. (DEF_BUILTIN_CHKP): Likewise. * tree-inline.c (declare_return_variable): Likewise. (remap_gimple_stmt): Likewise. (copy_bb): Likewise. (initialize_inlined_parameters): Likewise. (expand_call_inline): Likewise. * tree-pass.h (make_pass_ipa_chkp_versioning): Likewise. (make_pass_ipa_chkp_early_produce_thunks): Likewise. (make_pass_ipa_chkp_produce_thunks): Likewise. (make_pass_chkp): Likewise. (make_pass_chkp_opt): Likewise. (make_pass_chkp_instrumentation_passes): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-ccp.c (insert_clobber_before_stack_restore): Likewise. * tree-ssa-dce.c (propagate_necessity): Likewise. (eliminate_unnecessary_stmts): Likewise. * tree-ssa-pre.c (create_expression_by_pieces): Likewise. * tree-ssa-sccvn.c (copy_reference_ops_from_call): Likewise. * tree-ssa-sccvn.h: Likewise. * tree-ssa-strlen.c (get_string_length): Likewise. (valid_builtin_call): Likewise. (adjust_last_stmt): Likewise. (handle_builtin_strchr): Likewise. (handle_builtin_strcpy): Likewise. (handle_builtin_stxncpy): Likewise. (handle_builtin_memcpy): Likewise. (handle_builtin_strcat): Likewise. (strlen_check_and_optimize_stmt): Likewise. * tree-stdarg.c (expand_ifn_va_arg_1): Likewise. * tree-streamer-in.c: Likewise. * tree-streamer.c (record_common_node): Likewise. * tree.c (tree_code_size): Likewise. (wide_int_to_tree_1): Likewise. (type_contains_placeholder_1): Likewise. (build_common_tree_nodes): Likewise. * tree.def (POINTER_BOUNDS_TYPE): Likewise. * tree.h (POINTER_BOUNDS_TYPE_P): Likewise. (POINTER_BOUNDS_P): Likewise. (BOUNDED_TYPE_P): Likewise. (BOUNDED_P): Likewise. (CALL_WITH_BOUNDS_P): Likewise. (pointer_bounds_type_node): Likewise. * value-prof.c (gimple_ic): Likewise. * var-tracking.c (vt_add_function_parameters): Likewise. * varasm.c (make_decl_rtl): Likewise. (assemble_start_function): Likewise. (output_constant): Likewise. (maybe_assemble_visibility): Likewise. * varpool.c (ctor_for_folding): Likewise. * chkp-builtins.def: Remove. * ipa-chkp.c: Remove. * ipa-chkp.h: Remove. * rtl-chkp.c: Remove. * rtl-chkp.h: Remove. * tree-chkp-opt.c: Remove. * tree-chkp.c: Remove. * tree-chkp.h: Remove. 2018-06-07 Carl Love * config/rs6000/vsx.md (vextract_fp_from_shorth, vextract_fp_from_shortl): Add BE support. 2018-06-07 Paul Koning * compare-elim.c (try_merge_compare): Don't merge compare if address contains a side effect. (try_eliminate_compare): Likewise. 2018-06-07 Olga Makhotina * config.gcc: Support "tremont". * config/i386/driver-i386.c (host_detect_local_cpu): Detect "tremont". * config/i386/i386-c.c (ix86_target_macros_internal): Handle PROCESSOR_TREMONT. * config/i386/i386.c (m_TREMONT): Define. (processor_target_table): Add "tremont". (PTA_TREMONT): Define. (ix86_lea_outperforms): Add TARGET_TREMONT. (get_builtin_code_for_version): Handle PROCESSOR_TREMONT. (fold_builtin_cpu): Add M_INTEL_TREMONT, replace M_INTEL_GOLDMONT and M_INTEL_GOLDMONT_PLUS. (fold_builtin_cpu): Add "tremont". (ix86_add_stmt_cost): Add TARGET_TREMONT. (ix86_option_override_internal): Add "tremont". * config/i386/i386.h (processor_costs): Define TARGET_TREMONT. (processor_type): Add PROCESSOR_TREMONT. * config/i386/x86-tune.def: Add m_TREMONT. * doc/invoke.texi: Add tremont as x86 -march=/-mtune= CPU type. 2018-06-07 Jozef Lawrynowicz * config/msp430/msp430.c (msp430_mcu_name): Set the "i" in the symbol defined for msp430i* devices to be lower case. 2018-06-07 Richard Biener * graphite-sese-to-poly.c (extract_affine): Avoid unneded wrapping. Properly wrap the result of a BIT_NOT_EXPR. Properly wrap signed arithmetic if overflow wraps. 2018-06-07 Jakub Jelinek PR tree-optimization/69615 * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If rhs2 is lhs of a cast from a same precision integral SSA_NAME in a bb dominated by first_bb, retry with rhs2 set to the rhs1 of the cast. Don't emit cast to utype if rhs2 has already a compatible type. 2018-06-07 Richard Biener PR tree-optimization/85935 * graphite-scop-detection.c (find_params_in_bb): Analyze condition operands with respect to the correct loop. Assert the analysis doesn't fail. 2018-06-04 Carl Love * config/rs6000/vsx.md (first_match_index_): Calculate index using natural element order. Use gen_lshrsi3 instead of gen_ashrsi3 as it is slightly cheaper. (first_match_or_eos_index_): Calculate index using natural element order. (first_match_index_): Calculate index using natural element order. (first_match_or_eos_index_): Calculate index using natural order. (define_insn vclzlsbb): Change to define_insn vclzlsbb_. for BE and LE modes. * config/rs6000/rs6000-c.c: Rename P9V_BUILTIN_VCLZLSBB, P9V_BUILTIN_VCLZLSBB_V16QI. * config/rs6000/rs6000-builtin.def: Make VCLZLSBB mode specific. 2018-06-06 Kelvin Nilsen * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust indentation and line wrap for many prototypes. Add missing @smallexample directives around block of prototypes for vec_xl and vec_xst. 2018-06-05 Michael Meissner * config/rs6000/rs6000.c (rs6000_passes_ieee128): New boolean to track if we pass or return IEEE 128-bit floating point. (ieee128_mangling_gcc_8_1): New boolean to say whether to generate C++ mangling that is compatible with GCC 8.1. (TARGET_ASM_GLOBALIZE_DECL_NAME): Override target hook. (init_cumulative_args): Note if we pass or return IEEE 128-bit floating point types. (rs6000_function_arg_advance_1): Likewise. (rs6000_mangle_type): Optionally generate mangled names that match what GCC 8.1 generated for IEEE 128-bit floating point types. (rs6000_globalize_decl_name): If we have an external function that passes or returns IEEE 128-bit types, generate a weak reference from the mangled name used in GCC 8.1 to the current mangled name. (rs6000_init_builtins): Make __ibm128 use the long double type if long double is IBM extended double. Make __float128 use the long double type if long double is IEEE 128-bit. PR target/85657 * config/rs6000/rs6000-builtin.def (BU_IBM128_2): New helper macro for __ibm128 built-in functions. (PACK_IF): Add __ibm128 pack/unpack functions. (UNPACK_IF): Likewise. * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Do not enable long double built-in functions if long double is IEEE 128-bit floating point. (rs6000_invalid_builtin): Update long double built-in function error message. (rs6000_expand_builtin): For PACK_IF and UNPACK_IF built-in functions, adjust the built-in function to use the long double built-in function if __ibm128 and long double are the same type. * doc/extend.texi (PowerPC builtins): Update documention for __builtin_{,un}pack_longdouble. Add documentation for __builtin_{,un}pack_ibm128. 2018-06-06 Jim Wilson * config/riscv/riscv.c (enum riscv_privilege_levels): New. (struct machine_function): New field interrupt_mode. (riscv_handle_type_attribute): New function. Add forward declaration. (riscv_attribute_table) : Use riscv_handle_type_attribute. (riscv_expand_epilogue): Check interrupt_mode field. (riscv_set_current_function): Check interrupt attribute args and set interrupt_mode field. * config/riscv/riscv.md (UNSPECV_SRET, UNSPECV_URET): New. (riscv_sret, riscv_uret): New. * doc/extend.texi (RISC-V Function Attributes) : Document new arguments to interrupt attribute. 2018-06-06 Peter Bergner PR target/63177 * /config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for -mpower9. Don't handle -mcpu=power8 if -mpower9-vector is also used. 2018-06-06 Kelvin Nilsen * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_LD, VSX_BUILTIN_VEC_ST): Add comment to explain non-traditional uses. * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove several redundant entries. 2018-06-06 David Malcolm * config/i386/i386-protos.h (ix86_expand_call): Strengthen return type from "rtx" to "rtx_insn *". * config/i386/i386.c (ix86_expand_split_stack_prologue): Likewise for local "call_insn", removing cast. (ix86_expand_call): Likewise, introducing a "call_insn" local. 2018-06-06 Eric Botcazou PR tree-optimization/86066 * gimple-ssa-store-merging.c (process_store): Do not bypass BIT_NOT_EXPR for BIT_INSERT_EXPR stores. 2018-06-06 Richard Biener PR tree-optimization/86062 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle arbitrary component refs ontop of to be offsetted base. 2018-06-06 Jozef Lawrynowicz * config/msp430/msp430.c (msp430_attr): Allow interrupt handlers to be static and remove check on interrupt attribute name. 2018-06-05 Kelvin Nilsen * doc/extend.texi (PowerPC AltiVec Built-in Functions): Remove volatile qualifier from vec_lvsl and vec_lvsr argument prototypes. 2018-06-05 Steve Ellcey PR target/79924 * config/aarch64/aarch64-protos.h (aarch64_err_no_fpadvsimd): Remove second argument. * config/aarch64/aarch64-protos..c (aarch64_err_no_fpadvsimd): Remove second argument, change how error is called. (aarch64_layout_arg): Remove second argument from aarch64_err_no_fpadvsimd call. (aarch64_init_cumulative_args): Ditto. (aarch64_gimplify_va_arg_expr): Ditto. * config/aarch64/aarch64.md (mov): Ditto. 2018-06-05 Uros Bizjak * config/i386/i386.md (simple_return_indirect_internal): New expander. (*simple_return_indirect_internal): Rename from simple_return_indirect_internal. Use W mode iterator. (rstorssp): New expander. (*rstorssp): Rename from rstorssp. Use P mode iterator. (clrssbsy): New expander. (*clrssbsy): Rename from clrssbsy. Use P mode iterator. 2018-06-05 Andre Vieira * config/arm/arm_cmse.h (cmse_nsfptr_create): Change typeof to __typeof__. (cmse_check_pointed_object): Likewise. 2018-06-05 Martin Liska PR gcov-profile/47618 * doc/invoke.texi: Document how -fprofile-dir format is extended. 2018-06-05 Richard Biener * tree-cfgcleanup.c (cleanup_control_flow_pre): For edge removal pretend DOM info isn't available so we do not update it and only remove edges, not dominated blocks. Actually free DOM info in case we removed something. Remove unreachable blocks. (mfb_keep_latches): Work with either DOM info or marked backedges. (cleanup_tree_cfg_noloop): Do not remove unreachable blocks first. Mark backedges if DOM info isn't available. (Re-)compute DOM info after cleanup_control_flow_pre. 2018-06-05 Richard Biener * tree-cfg.c (struct locus_discrim_map): Store line, not location. (locus_discrim_hasher::hash): Adjust. (locus_discrim_hasher::equal): Likewise. (next_discriminator_for_locus): Work on line directly. (same_line_p): Pass in expanded locus1 as well. (assign_discriminators): Avoid redundant location expansions. 2018-06-05 Richard Biener PR tree-optimization/86046 * tree-ssa.c (maybe_optimize_var): Clear DECL_GIMPLE_REG_P if required after clearing TREE_ADDRESSABLE. 2018-06-05 Richard Biener PR tree-optimization/86047 * tree-ssa-loop.c (for_each_index): Glob handling of all decls and constants and really handle all of them. 2018-06-05 Kyrylo Tkachov PR target/81497 * config/arm/arm-builtins.c (arm_type_qualifiers): Add qualifier_void_pointer and qualifier_const_void_pointer. (arm_ldc_qualifiers, arm_stc_qualifiers): Use the above. (arm_init_builtins): Handle the above. * config/arm/arm_acle.h (__arm_cdp, __arm_ldc, __arm_ldcl, __arm_stc, __arm_stcl, __arm_mcr, __arm_cdp2, __arm_ldc2, __arm_ldcl2, __arm_stc2, __arm_stcl2,__arm_mcr2, __arm_mcrr, __arm_mcrr2): Remove return for void intrinsics. 2018-06-05 Martin Liska * auto-profile.c (read_autofdo_file): Do not use gcov_ctr_summary struct. (afdo_callsite_hot_enough_for_early_inline): Likewise. * coverage.c (struct counts_entry): Likewise. (read_counts_file): Read just single summary entry. (get_coverage_counts): Use gcov_summary struct. * coverage.h (get_coverage_counts): Likewise. * gcov-dump.c (dump_working_sets): Likewise. (tag_summary): Dump just single summary. * gcov-io.c (gcov_write_summary): Write just histogram summary. (gcov_read_summary): Read just single summary. (compute_working_sets): Use gcov_summary struct. * gcov-io.h (GCOV_TAG_SUMMARY_LENGTH): Remove usage of GCOV_COUNTERS_SUMMABLE. (GCOV_COUNTERS_SUMMABLE): Remove. (GCOV_FIRST_VALUE_COUNTER): Replace with GCOV_COUNTER_V_INTERVAL. (struct gcov_ctr_summary): Remove. (struct gcov_summary): Directly use fields of former gcov_ctr_summary. (compute_working_sets): Use gcov_summary struct. * gcov.c (read_count_file): Do not use ctrs fields. * lto-cgraph.c (merge_profile_summaries): Use gcov_summary struct. * lto-streamer.h (struct GTY): Make profile_info gcov_summary struct. * profile.c: Likewise. * profile.h: Likewise. 2018-06-05 Martin Liska PR gcov-profile/84846 * gcov.c (output_lines): Print working directory only in intermediate format. 2018-06-05 Andreas Krebbel * config/s390/s390-builtin-types.def: Add void function type. * config/s390/s390-builtins.def: Use the function type for the tbeginc builtin. 2018-06-04 Jim Wilson * config/riscv/riscv-protos.h (riscv_expand_epilogue): Change bool arg to int. * config/riscv/riscv.c (riscv_for_each_saved_reg): New args epilogue and maybe_eh_return. Change regno to unsigned int. Use new args to handle EH_RETURN_DATA_REGNO registers properly. (riscv_expand_prologue): Pass new args to riscv_for_each_saved_reg. (riscv_expand_epilogue): Update comment. Change argument name and type. Update code to use new name and type. Pass new args to riscv_for_each_saved_reg. Only use EH_RETURN_STACKADJ_RTX when EXCEPTION_RETURN. * config/riscv/riscv.md (NORMAL_RETURN): New. (SIBCALL_RETURN, EXCEPTION_RETURN): New. (epilogue, sibcall_epilogue): Update riscv_expand_epilogue arg. (eh_return): Call gen_eh_return_internal and emit barrier. (eh_return_internal): Call riscv_expand_epilogue. 2018-06-04 Eric Botcazou * gimple-ssa-store-merging.c (struct merged_store_group): Move up bit_insertion field and declare can_be_merged_into method. (merged_store_group::can_be_merged_into): New method. (imm_store_chain_info::coalesce_immediate): Call it to decide whether consecutive non-overlapping stores can be merged. Turn MEM_REF stores into BIT_INSERT_EXPR stores if the group contains a non-MEM_REF store. 2018-06-04 Richard Biener PR tree-optimization/85955 * builtins.c (fold_builtin_sincos): Convert pointers to destination to appropriate type before dereferencing. 2018-06-04 Segher Boessenkool * config/rs6000/rs6000.md (abs2 for FLOAT128): Handle IFmode. 2018-06-04 Richard Sandiford * expr.c (expand_expr_real_1): Force the operand into memory if its TYPE_MODE is BLKmode and if there is no integer mode for the number of bits being extracted. 2018-06-04 Jakub Jelinek PR target/85832 PR target/86036 * config/i386/sse.md (_eq3_1): Use vptestnm rather than vptestm in (=Yc,v,C) variant. 2018-06-04 Richard Biener * tree-cfgcleanup.c (cleanup_tree_cfg_1): Fold into... (cleanup_tree_cfg_noloop): ... single caller. Do start_recording_case_labels later. 2018-06-04 Sebastian Peryt * config/i386/cldemoteintrin.h: Change define from _X86INTRIN_H_INCLUDED to _IMMINTRIN_H_INCLUDED. * config/i386/pconfigintrin.h: Ditto. * config/i386/waitpkgintrin.h: Ditto. * config/i386/immintrin.h: Add includes for sgxintrin.h, pconfigintrin.h, waitpkgintrin.h and cldemoteintrin.h. * config/i386/x86intrin.h: Remove includes for mintrin.h, xmmintrin.h, emmintrin.h, pmmintrin.h, tmmintrin.h, smmintrin.h, wmmintrin.h, bmiintrin.h, bmi2intrin.h, lzcntintrin.h, sgxintrin.h, pconfigintrin.h, waitpkgintrin.h and cldemoteintrin.h. 2018-06-04 Richard Biener PR tree-optimization/86038 * tracer.c (find_best_successor): Check probability for being initialized, bail out if not. 2018-06-04 Richard Earnshaw PR target/86003 * config/arm/arm-cpus.in (ALL_QUIRKS): Add xscale feature to the list of bits to ignore when comparing architectures. 2018-06-04 Jakub Jelinek PR tree-optimization/69615 * fold-const.c (merge_ranges): If range1 is - [x, x] and x is the maximum or minimum of the type, try to merge it also as if range1 is + [-, x - 1] or + [x + 1, -]. PR c++/86025 * tree.c (inchash::add_expr): Handle IDENTIFIER_NODE. 2018-06-03 Eric Botcazou PR tree-optimization/86034 * gimple-ssa-store-merging.c (output_merged_store): Convert the RHS to the unsigned bitfield type in a bit insertion sequence if it does not have a larger precision than the bitfield size. (process_store): Also bypass widening conversions for BIT_INSERT_EXPR. 2018-06-03 Kito Cheng * config/nds32/nds32-peephole2.md: Add new patterns for code size. 2018-06-03 Chung-Ju Wu * config/nds32/nds32-opts.h (nds32_arch_type): Add ARCH_V3J. * config/nds32/nds32.c (nds32_option_override): Consider ARCH_V3J. * config/nds32/nds32.h (TARGET_ISA_V3): Add ARCH_V3J checking. * config/nds32/nds32.opt (march): Add enum value Value(ARCH_V3J). 2018-06-03 Chung-Ju Wu * common/config/nds32/nds32-common.c (nds32_option_optimization_table): Disable -fdelete-null-pointer-checks for ELF toolchain. 2018-06-02 Chung-Ju Wu Kito Cheng * config.gcc (nds32*): Use nds32-linux.opt and nds32-elf.opt. (nds32le-*-*, nds32be-*-*): Integrate checking process. (nds32*-*-*): Add glibc and uclibc conditions. * common/config/nds32/nds32-common.c (nds32_except_unwind_info): New. (TARGET_EXCEPT_UNWIND_INFO): Define. * config/nds32/elf.h: New file. * config/nds32/linux.h: New file. * config/nds32/nds32-elf.opt: New file. * config/nds32/nds32-linux.opt: New file. * config/nds32/nds32-fp-as-gp.c (pass_nds32_fp_as_gp::gate): Consider TARGET_LINUX_ABI. * config/nds32/nds32.c (nds32_conditional_register_usage): Consider TARGET_LINUX_ABI. (nds32_asm_file_end): Ditto. (nds32_print_operand): Ditto. (nds32_insert_attributes): Ditto. (nds32_init_libfuncs): New function. (TARGET_HAVE_TLS): Define. (TARGET_INIT_LIBFUNCS): Define. * config/nds32/nds32.h (TARGET_DEFAULT_RELAX): Apply different relax spec content. (TARGET_ELF): Apply different mcmodel setting. (LINK_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): The content has been migrated into elf.h and linux.h files. * config/nds32/nds32.md (add_pc): Consider TARGET_LINUX_ABI. * config/nds32/nds32.opt (mvh): Consider TARGET_LINUX_ABI. (mcmodel): The content has been migrated into nds32-elf.opt and nds32-linux.opt files. * config/nds32/t-elf: New file. * config/nds32/t-linux: New file. 2018-06-02 Chung-Ju Wu Shiva Chen * config/nds32/constants.md (unspec_volatile_element): Add UNSPEC_VOLATILE_OMIT_FP_BEGIN and UNSPEC_VOLATILE_OMIT_FP_END. * config/nds32/nds32-fp-as-gp.c: New implementation of fp_as_gp optimization. * config/nds32/nds32-protos.h (nds32_naked_function_p): Declare. (make_pass_nds32_fp_as_gp): Declare. * config/nds32/nds32.c (nds32_register_passes): Add fp_as_gp as one optmization pass. (nds32_asm_function_end_prologue): Remove unused asm output. (nds32_asm_function_begin_epilogue): Remove unused asm output. (nds32_asm_file_start): Output necessary fp_as_gp information. (nds32_option_override): Adjust register usage. (nds32_expand_prologue): Consider fp_as_gp situation. (nds32_expand_prologue_v3push): Consider fp_as_gp situation. * config/nds32/nds32.md (prologue): Check fp_as_gp_p and naked_p. (epilogue): Ditto. (return): Ditto. (simple_return): Ditto. (omit_fp_begin): Output special directive for fp_as_gp. (omit_fp_end): Output special directive for fp_as_gp. * config/nds32/nds32.opt (mfp-as-gp, mno-fp-as-gp, mforce-fp-as-gp, mforbid-fp-as-gp): New options. 2018-06-01 Mark Wielaard * dwarf2out.c (dwarf2out_finish): Remove generation of DW_AT_loclists_base. 2018-06-01 Eric Botcazou * gimple-ssa-store-merging.c: Include gimple-fold.h. (struct store_immediate_info): Document BIT_INSERT_EXPR stores. (struct merged_store_group): Add bit_insertion field. (dump_char_array): Use standard hexadecimal format. (merged_store_group::merged_store_group): Set bit_insertion to false. (merged_store_group::apply_stores): Use optimal buffer size. Deal with BIT_INSERT_EXPR stores. Move up code updating the mask and also print the mask in the dump file. (pass_store_merging::gate): Minor tweak. (imm_store_chain_info::coalesce_immediate): Fix wrong association of stores with groups in dump. Allow coalescing of BIT_INSERT_EXPR stores with INTEGER_CST stores. (count_multiple_uses) : New case. (imm_store_chain_info::output_merged_store): Add try_bitpos variable and use it throughout. Generate bit insertion sequences if need be. (pass_store_merging::process_store): Remove redundant condition. Record stores from a SSA name to a bit-field with BIT_INSERT_EXPR. 2018-06-01 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_mangle_type): Change the mangling of the 128-bit floating point types. Fix function comment. 2018-06-01 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_simd_vec_unpack_lo_): Use UXTL and SXTL assembler mnemonics. (aarch64_simd_vec_unpack_hi_): Use UXTL2 and SXTL2 assembler mnemonics. 2018-06-01 Richard Sandiford PR tree-optimization/85989 * gimple-ssa-backprop.c (backprop::m_visited_phis): New member variable. (backprop::intersect_uses): Check it when deciding whether this is a backedge reference. (backprop::process_block): Add each phi to m_visited_phis after visiting it, then clear it at the end. 2018-06-01 Richard Biener * tree-vectorizer.h (vect_dr_stmt): New function. (vect_get_load_cost): Adjust. (vect_get_store_cost): Likewise. * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Use vect_dr_stmt instead of DR_SMTT. (vect_record_base_alignments): Likewise. (vect_calculate_target_alignment): Likewise. (vect_compute_data_ref_alignment): Likewise and make static. (vect_update_misalignment_for_peel): Likewise. (vect_verify_datarefs_alignment): Likewise. (vector_alignment_reachable_p): Likewise. (vect_get_data_access_cost): Likewise. Pass down vinfo to vect_get_load_cost/vect_get_store_cost instead of DR. (vect_get_peeling_costs_all_drs): Likewise. (vect_peeling_hash_get_lowest_cost): Likewise. (vect_enhance_data_refs_alignment): Likewise. (vect_find_same_alignment_drs): Likewise. (vect_analyze_data_refs_alignment): Likewise. (vect_analyze_group_access_1): Likewise. (vect_analyze_group_access): Likewise. (vect_analyze_data_ref_access): Likewise. (vect_analyze_data_ref_accesses): Likewise. (vect_vfa_segment_size): Likewise. (vect_small_gap_p): Likewise. (vectorizable_with_step_bound_p): Likewise. (vect_prune_runtime_alias_test_list): Likewise. (vect_analyze_data_refs): Likewise. (vect_supportable_dr_alignment): Likewise. * tree-vect-loop-manip.c (get_misalign_in_elems): Likewise. (vect_gen_prolog_loop_niters): Likewise. * tree-vect-loop.c (vect_analyze_loop_2): Likewise. * tree-vect-patterns.c (vect_recog_bool_pattern): Do not modify DR_STMT. (vect_recog_mask_conversion_pattern): Likewise. (vect_try_gather_scatter_pattern): Likewise. * tree-vect-stmts.c (vect_model_store_cost): Pass stmt_info to vect_get_store_cost. (vect_get_store_cost): Get stmt_info instead of DR. (vect_model_load_cost): Pass stmt_info to vect_get_load_cost. (vect_get_load_cost): Get stmt_info instead of DR. 2018-06-01 Richard Biener PR middle-end/86017 * gimple-fold.c (var_decl_component_p): Also allow offsetted vars wrapped in MEM_REFs. 2018-06-01 Richard Sandiford * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class): Fix subreg tests so that we only return a choice between GENERAL_REGS and FP_REGS if the original classes included both. 2018-06-01 Richard Biener PR ipa/85960 * tree-ssa-structalias.c (get_function_part_constraint): Handle NULL fi->decl. (find_func_aliases_for_call): Properly handle indirect fi from direct call. (find_func_clobbers): Likewise. (ipa_pta_execute): Likewise. (create_variable_info_for): For functions that are ifunc_resolver resolve to a varinfo that contains the result of the resolver call. (associate_varinfo_to_alias): Do not treat ifunc resolvers as aliases. 2018-05-31 Michael Collison * config/aarch64/aarch64.md: (*fix_to_zero_extenddfdi2): New pattern. * gcc.target/aarch64/fix_extend1.c: New testcase. 2018-05-31 Qing Zhao PR middle-end/78809 PR middle-end/83026 * builtins.c (expand_builtin): Add the handling of BUILT_IN_STRCMP_EQ and BUILT_IN_STRNCMP_EQ. * builtins.def: Add new builtins BUILT_IN_STRCMP_EQ and BUILT_IN_STRNCMP_EQ. * gimple-fold.c (gimple_fold_builtin_string_compare): Add the handling of BUILTIN_IN_STRCMP_EQ and BUILT_IN_STRNCMP_EQ. (gimple_fold_builtin): Likewise. * tree-ssa-strlen.c (compute_string_length): New function. (determine_min_obsize): New function. (handle_builtin_string_cmp): New function to handle calls to string compare functions. (strlen_optimize_stmt): Add handling to builtin string compare calls. * tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Add the handling of BUILT_IN_STRCMP_EQ and BUILT_IN_STRNCMP_EQ. * tree.c (build_common_builtin_nodes): Add new defines of BUILT_IN_STRNCMP_EQ and BUILT_IN_STRCMP_EQ. 2018-05-31 Jakub Jelinek PR target/85984 * bb-reorder.c (pass_partition_blocks::gate): Return false for functions with naked attribute. 2018-05-31 Uros Bizjak * config/i386/sse.md (avx_vec_concat): Substitute concat_tg_mode mode attribute with xtg_mode. (avx512dq_broadcast_1): Ditto. (concat_tg_mode): Remove mode attribute. 2018-05-31 Martin Sebor PR c/82063 * calls.c (alloc_max_size): Correct a logic error/typo. Treat excessive arguments as infinite. Warn for invalid arguments. * doc/invoke.texi (-Walloc-size-larger-than): Update. 2018-05-31 H.J. Lu PR target/85829 * config/i386/x86-tune.def: Re-enable partial_reg_dependency and movx for Haswell. 2018-05-31 Chung-Lin Tang Cesar Philippidis PR middle-end/85879 * gimplify.c (gimplify_adjust_omp_clauses): Add 'remove = true' when emitting error on private/firstprivate reductions. * omp-low.c (lower_omp_target): Avoid reference-type processing on pointers for firstprivate clause. 2018-05-31 Sameera Deshpande * config/aarch64/aarch64-simd-builtins.def (ld1x3): New. (st1x2): Likewise. (st1x3): Likewise. * config/aarch64/aarch64-simd.md (aarch64_ld1x3): New pattern. (aarch64_ld1_x3_): Likewise (aarch64_st1x2): Likewise (aarch64_st1_x2_): Likewise (aarch64_st1x3): Likewise (aarch64_st1_x3_): Likewise * config/aarch64/arm_neon.h (vld1_u8_x3): New function. (vld1_s8_x3): Likewise. (vld1_u16_x3): Likewise. (vld1_s16_x3): Likewise. (vld1_u32_x3): Likewise. (vld1_s32_x3): Likewise. (vld1_u64_x3): Likewise. (vld1_s64_x3): Likewise. (vld1_f16_x3): Likewise. (vld1_f32_x3): Likewise. (vld1_f64_x3): Likewise. (vld1_p8_x3): Likewise. (vld1_p16_x3): Likewise. (vld1_p64_x3): Likewise. (vld1q_u8_x3): Likewise. (vld1q_s8_x3): Likewise. (vld1q_u16_x3): Likewise. (vld1q_s16_x3): Likewise. (vld1q_u32_x3): Likewise. (vld1q_s32_x3): Likewise. (vld1q_u64_x3): Likewise. (vld1q_s64_x3): Likewise. (vld1q_f16_x3): Likewise. (vld1q_f32_x3): Likewise. (vld1q_f64_x3): Likewise. (vld1q_p8_x3): Likewise. (vld1q_p16_x3): Likewise. (vld1q_p64_x3): Likewise. (vst1_s64_x2): Likewise. (vst1_u64_x2): Likewise. (vst1_f64_x2): Likewise. (vst1_s8_x2): Likewise. (vst1_p8_x2): Likewise. (vst1_s16_x2): Likewise. (vst1_p16_x2): Likewise. (vst1_s32_x2): Likewise. (vst1_u8_x2): Likewise. (vst1_u16_x2): Likewise. (vst1_u32_x2): Likewise. (vst1_f16_x2): Likewise. (vst1_f32_x2): Likewise. (vst1_p64_x2): Likewise. (vst1q_s8_x2): Likewise. (vst1q_p8_x2): Likewise. (vst1q_s16_x2): Likewise. (vst1q_p16_x2): Likewise. (vst1q_s32_x2): Likewise. (vst1q_s64_x2): Likewise. (vst1q_u8_x2): Likewise. (vst1q_u16_x2): Likewise. (vst1q_u32_x2): Likewise. (vst1q_u64_x2): Likewise. (vst1q_f16_x2): Likewise. (vst1q_f32_x2): Likewise. (vst1q_f64_x2): Likewise. (vst1q_p64_x2): Likewise. (vst1_s64_x3): Likewise. (vst1_u64_x3): Likewise. (vst1_f64_x3): Likewise. (vst1_s8_x3): Likewise. (vst1_p8_x3): Likewise. (vst1_s16_x3): Likewise. (vst1_p16_x3): Likewise. (vst1_s32_x3): Likewise. (vst1_u8_x3): Likewise. (vst1_u16_x3): Likewise. (vst1_u32_x3): Likewise. (vst1_f16_x3): Likewise. (vst1_f32_x3): Likewise. (vst1_p64_x3): Likewise. (vst1q_s8_x3): Likewise. (vst1q_p8_x3): Likewise. (vst1q_s16_x3): Likewise. (vst1q_p16_x3): Likewise. (vst1q_s32_x3): Likewise. (vst1q_s64_x3): Likewise. (vst1q_u8_x3): Likewise. (vst1q_u16_x3): Likewise. (vst1q_u32_x3): Likewise. (vst1q_u64_x3): Likewise. (vst1q_f16_x3): Likewise. (vst1q_f32_x3): Likewise. (vst1q_f64_x3): Likewise. (vst1q_p64_x3): Likewise. 2018-05-30 Jozef Lawrynowicz * config/msp430/msp430.c (msp430_output_labelref): Prepend user_label_prefix to name. * tree-core.h: Update comment about the format of NAME string passed to handler in attribute_spec. * config/msp430/msp430.md: Remove erroneous subreg expression from zero_extendqisi2 insn pattern. Remove msp430x ISA restriction on zero_extend{q,h}isi2. 2018-05-30 Borislav Petkov * doc/extend.texi: Document some architecture specific constraints and sort entries. 2018-05-30 Martin Sebor PR middle-end/85369 * builtins.c (expand_builtin_stpcpy_1): New function. (expand_builtin_stpcpy): Call it, and call maybe_warn_nonstring_arg only if the former succeeds. 2018-05-31 Sameera Deshpande * config/aarch64/aarch64-cores.def (saphira) : Add support for ARMv8.4 in saphira. 2018-05-30 Jan Hubicka * doc/invoke.texi (-flinker-output): Document 2018-05-30 Jan Hubicka * passes.c (ipa_write_summaries): Only modify statements if body is in memory. * cgraphunit.c (ipa_passes): Also produce intermeidate code when incrementally linking. (ipa_passes): Likewise. * lto-cgraph.c (lto_output_node): When incrementally linking do not pass down resolution info. * common.opt (flag_incremental_link): Update info. * gcc.c (plugin specs): Turn flinker-output=* to -plugin-opt=-linker-output-known * toplev.c (compile_file): Also cut compilation when doing incremental link. * flag-types. (enum lto_partition_model): Add LTO_LINKER_OUTPUT_NOLTOREL. (invoke.texi): Add -flinker-output docs. * ipa.c (symbol_table::remove_unreachable_nodes): Handle LTO incremental link same way as WPA; do not stream in dead initializers. * dwarf2out.c (dwarf2out_die_ref_for_decl, darf2out_register_external_decl): Support incremental link. 2018-05-30 Jan Hubicka * lto-opts.c (lto_write_options): Skip OPT_dumpdir, OPT_fresolution_. 2018-05-30 Jan Hubicka * lto-wrapper.c (debug_objcopy): Add rename parameter; pass it down to simple_object_copy_lto_debug_sections. (run_gcc): Determine incremental LTO link time and configure lto1 into non-wpa mode, disable renaming of debug sections. 2018-05-30 Kelvin Nilsen * doc/extend.texi (PowerPC AltiVec Built-in Functions): Remove descriptions of various incorrectly documented functions. 2018-05-30 Andre Vieira Revert: * config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Make address check not strict. 2018-05-30 Richard Biener PR tree-optimization/85964 * tracer.c (better_p): Drop initialized count check, we only call the function with initialized counts now. (find_best_successor): Do find a best edge if one has uninitialized count. (find_best_predecessor): Likewise. Do BB frequency check only if count is initialized. 2017-05-30 Jackson Woodruff * config/aarch64/aarch64.c (aarch64_host_wide_int_compare): New. (aarch64_ldrstr_offset_compare): New. (aarch64_operands_adjust_ok_for_ldpstp): Update to consider all load/store orderings. (aarch64_gen_adjusted_ldpstp): Likewise. 2018-05-30 Wilco Dijkstra * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class): Check for subset of GENERAL_REGS and FP_REGS. * config/aarch64/aarch64-simd.md (aarch64_get_lane): Increase cost of r=w alternative. 2018-05-30 Richard Sandiford * alias.c (adjust_offset_for_component_ref): Use poly_int_tree_p and wi::to_poly_offset. Add the current offset and then check whether the sum fits, rather than using an unchecked addition of a checked term. Check for a shwi rather than a uhwi. * expr.c (get_bit_range): Use tree_to_poly_uint64. (store_constructor): Use poly_int_tree_p. (expand_expr_real_1): Likewise. * function.c (assign_temp): Likewise. * fold-const.c (const_binop): Use poly_int_tree_p and wi::to_poly_offset. (fold_indirect_ref_1): Likewise. Use multiple_p to attempt an exact division. * ipa-icf-gimple.c (func_checker::compare_operand): Use to_poly_offset for MEM offsets. * ipa-icf.c (sem_variable::equals): Likewise. * stor-layout.c (compute_record_mode): Use poly_int_tree_p. * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use wi::to_poly_offset for BIT_FIELD_REF offsets. (vn_reference_maybe_forwprop_address): Use poly_int_tree_p and wi::to_poly_offset. * var-tracking.c (emit_note_insn_var_location): Use tree_to_poly_uint64. 2018-05-29 Jim Wilson * config/riscv/riscv.c (riscv_interrupt_type): Fix comment typo. 2018-05-29 Uros Bizjak PR target/85950 * config/i386/i386.md (l2): Enable for TARGET_SSE4_1 and generate rounds{s,d} and cvtts{s,d}2si{,q} sequence. (sse4_1_round2): Use nonimmediate_operand for operand 1 predicate. 2018-05-29 Martin Sebor Richard Biener PR testsuite/85888 * calls.c (get_size_range): Call determine_value_range instead of get_value_range.. * tree-vrp.h (determine_value_range): Declared new function. * tree-vrp.c (determine_value_range_1, determine_value_range): New. 2018-05-29 Richard Biener * tree-vect-data-refs.c (vect_preserves_scalar_order_p): Make sure to use non-pattern stmts for get_earlier_stmt arguments. * tree-vectorizer.h (get_earlier_stmt): Assert we do not get called on pattern stmts. (get_later_stmt): Likewise. 2018-05-29 Martin Liska PR gcov-profile/85759 * doc/gcov.texi: Document GCOV_ERROR_FILE and GCOV_EXIT_AT_ERROR env variables. 2018-05-29 Jakub Jelinek * tree-cfg.c (verify_gimple_assign_unary): Add checking for VEC_UNPACK_*_EXPR. (verify_gimple_assign_binary): Check TYPE_VECTOR_SUBPARTS for VEC_PACK_*_EXPR. PR target/85918 * tree.def (VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR, VEC_PACK_FLOAT_EXPR): New tree codes. * tree-pretty-print.c (op_code_prio): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR and VEC_UNPACK_FIX_TRUNC_LO_EXPR. (dump_generic_node): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR. * tree-inline.c (estimate_operator_cost): Likewise. * gimple-pretty-print.c (dump_binary_rhs): Handle VEC_PACK_FLOAT_EXPR. * fold-const.c (const_binop): Likewise. (const_unop): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR and VEC_UNPACK_FIX_TRUNC_LO_EXPR. * tree-cfg.c (verify_gimple_assign_unary): Likewise. (verify_gimple_assign_binary): Handle VEC_PACK_FLOAT_EXPR. * cfgexpand.c (expand_debug_expr): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR. * expr.c (expand_expr_real_2): Likewise. * optabs.def (vec_packs_float_optab, vec_packu_float_optab, vec_unpack_sfix_trunc_hi_optab, vec_unpack_sfix_trunc_lo_optab, vec_unpack_ufix_trunc_hi_optab, vec_unpack_ufix_trunc_lo_optab): New optabs. * optabs.c (expand_widen_pattern_expr): For VEC_UNPACK_FIX_TRUNC_HI_EXPR and VEC_UNPACK_FIX_TRUNC_LO_EXPR use sign from result type rather than operand's type. (expand_binop_directly): For vec_packu_float_optab and vec_packs_float_optab allow result type to be different from operand's type. * optabs-tree.c (optab_for_tree_code): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR. Formatting fixes. * tree-vect-generic.c (expand_vector_operations_1): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR. * tree-vect-stmts.c (supportable_widening_operation): Handle FIX_TRUNC_EXPR. (supportable_narrowing_operation): Handle FLOAT_EXPR. * config/i386/i386.md (fixprefix, floatprefix): New code attributes. * config/i386/sse.md (*floatv2div2sf2): Rename to ... (floatv2div2sf2): ... this. Formatting fix. (vpckfloat_concat_mode, vpckfloat_temp_mode, vpckfloat_op_mode): New mode attributes. (vec_pack_float_): New expander. (vunpckfixt_mode, vunpckfixt_model, vunpckfixt_extract_mode): New mode attributes. (vec_unpack_fix_trunc_lo_, vec_unpack_fix_trunc_hi_): New expanders. * doc/md.texi (vec_packs_float_@var{m}, vec_packu_float_@var{m}, vec_unpack_sfix_trunc_hi_@var{m}, vec_unpack_sfix_trunc_lo_@var{m}, vec_unpack_ufix_trunc_hi_@var{m}, vec_unpack_ufix_trunc_lo_@var{m}): Document. * doc/generic.texi (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR): Fix pasto in description. (VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR, VEC_PACK_FLOAT_EXPR): Document. 2018-05-29 Richard Biener * tree-vectorizer.h (struct vec_info): Add stmt_vec_infos member. (stmt_vec_info_vec): Make pointer. (init_stmt_vec_info_vec): Remove. (free_stmt_vec_info_vec): Likewise. (set_stmt_vec_info_vec): New function. (free_stmt_vec_infos): Likewise. (vinfo_for_stmt): Adjust for stmt_vec_info_vec indirection. (set_vinfo_for_stmt): Likewise. (get_earlier_stmt): Likewise. (get_later_stmt): Likewise. * tree-vectorizer.c (stmt_vec_info_vec): Make pointer. (vec_info::vec_info): Allocate stmt_vec_infos and set the global. (vec_info::~vec_info): Free stmt_vec_infos. (vectorize_loops): Set the global stmt_vec_info_vec to NULL. Remove old init_stmt_vec_info_vec/free_stmt_vec_info_vec calls. (pass_slp_vectorize::execute): Likewise. * tree-vect-stmts.c (init_stmt_vec_info_vec): Remove. (free_stmt_vec_info_vec): Likewise. (set_stmt_vec_info_vec): New function. (free_stmt_vec_infos): Likewise. * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Set the global stmt_vec_info_vec. * tree-parloops.c (gather_scalar_reductions): Use set_stmt_vec_info_vec/free_stmt_vec_infos and maintain a local vector. 2018-05-29 Richard Biener * dominance.c (iterate_fix_dominators): Push/pop TV_DOMINANCE. 2018-05-29 Martin Liska David Malcolm * vec.c (test_reverse): New. (vec_c_tests): Add new test. * vec.h (vl_ptr>::reverse): New function. 2018-05-29 Gerald Pfeifer * config.gcc: Identify FreeBSD 3.x and 4.x as unsupported. * config/freebsd-spec.h (FBSD_LIB_SPEC): Only consider FreeBSD 5 and later. 2018-05-28 Bernd Edlinger * tree-dump.c (dump_node): Use splay_tree_delete_pointers. 2018-05-28 Richard Biener PR tree-optimization/85933 * tree-vect-data-refs.c (vect_record_base_alignments): Only look at stmts marked as vectorizable. 2018-05-28 Richard Biener PR tree-optimization/85934 * tree-vect-generic.c (expand_vector_operations_1): Hoist vector boolean check before scalar optimization. 2018-05-28 Jakub Jelinek * doc/invoke.texi (ARM Options): Use @item instead of @itemx for armv5te. 2018-05-28 Mark Wielaard * dwarf2asm.c (dw2_asm_output_delta_uleb128): Add brackets around lab2 if it is an expression containing a minus sign. 2018-05-27 John David Anglin * config/pa/pa-linux.h (NEED_INDICATE_EXEC_STACK): Define to 0. 2018-05-27 Paul Koning * config/pdp11/pdp11.md (truncsihi2): Remove. 2018-05-27 Monk Chiang Chung-Ju Wu * config/nds32/nds32-intrinsic.md (unaligned_storedi): Modify patterns implementation. (unaligned_store_dw): Ditto. * config/nds32/nds32-memory-manipulation.c (nds32_expand_movmemsi_loop_known_size): Refactoring implementation. (nds32_gen_dup_4_byte_to_word_value): Rename to ... (nds32_gen_dup_4_byte_to_word_value_aux): ... this. (emit_setmem_word_loop): Rename to ... (emit_setmem_doubleword_loop): ... this. (nds32_gen_dup_4_byte_to_word_value): New function. (nds32_gen_dup_8_byte_to_double_word_value): New function. (nds32_expand_setmem_loop): Refine implementation. (nds32_expand_setmem_loop_v3m): Ditto. * config/nds32/nds32-multiple.md (unaligned_store_update_base_dw): New pattern. 2018-05-27 Chung-Ju Wu * config/nds32/nds32.md (bswapsi2, bswaphi2): New patterns. 2018-05-27 Chung-Ju Wu * config/nds32/nds32.c (nds32_attribute_table): Add "no_prologue". (nds32_init_machine_status): Initialize machine->attr_naked_p and machine->attr_no_prologue_p. (nds32_compute_stack_frame): Check "naked" and "no_prologue" attributes. (nds32_naked_function_p): Handle "naked" and "no_prologue" attributes. (nds32_expand_epilogue): Consider attr_naked_p. (nds32_expand_epilogue_v3pop): Likewise. (nds32_can_use_return_insn): Likewise. * config/nds32/nds32.h (machine_function): Add attr_naked_p and attr_no_prologue_p fields. * config/nds32/nds32.opt (mret-in-naked-func): New option. 2018-05-27 Jakub Jelinek PR target/85918 * config/i386/i386.md (fixunssuffix, floatunssuffix): New code attributes. * config/i386/sse.md (float2): Rename to ... (float2): ... this. (float2): Rename to ... (float2): ... this. (*floatv2div2sf2): Rename to ... (*floatv2div2sf2): ... this. (floatv2div2sf2_mask): Rename to ... (floatv2div2sf2_mask): ... this. (*floatv2div2sf2_mask_1): Rename to ... (*floatv2div2sf2_mask_1): ... this. (fix_truncv8dfv8si2): Rename to ... (fix_truncv8dfv8si2): ... this. (fix_trunc2): Rename to ... (fix_trunc2): ... this. (fix_trunc2): Rename to ... (fix_trunc2): ... this. (fix_truncv2sfv2di2): Rename to ... (fix_truncv2sfv2di2): ... this. (vec_pack_ufix_trunc_): Use gen_fixuns_truncv8dfv8si2 instead of gen_ufix_truncv8dfv8si2. * config/i386/i386-builtin.def (__builtin_ia32_cvttpd2uqq256_mask, __builtin_ia32_cvttpd2uqq128_mask, __builtin_ia32_cvttps2uqq256_mask, __builtin_ia32_cvttps2uqq128_mask, __builtin_ia32_cvtuqq2ps256_mask, __builtin_ia32_cvtuqq2ps128_mask, __builtin_ia32_cvtuqq2pd256_mask, __builtin_ia32_cvtuqq2pd128_mask, __builtin_ia32_cvttpd2udq512_mask, __builtin_ia32_cvtuqq2ps512_mask, __builtin_ia32_cvtuqq2pd512_mask, __builtin_ia32_cvttps2uqq512_mask, __builtin_ia32_cvttpd2uqq512_mask): Use fixuns instead ufix or floatuns instead ufloat in CODE_FOR_ names. 2018-05-24 H.J. Lu PR target/85900 PR target/85345 * varasm.c (assemble_alias): Lookup ifunc attribute on error. 2018-05-25 Jim Wilson * config/riscv/riscv-protos.h (riscv_epilogue_uses): New. * config/riscv/riscv.c (struct machine_function): Add interrupt_handler_p and attribute_checked_p fields. (riscv_attribute_table): Add interrupt. (riscv_interrupt_type_p): New. (riscv_save_reg_p): Save extra regs for interrupt handler. (riscv_use_save_libcall): Return false for interrupt handler. (riscv_first_stack_step): Add forward declaration. (riscv_compute_frame_info): New local interrupt_save_t1. Set it for interrupt handler with large frame. Use it for saved reg list. (riscv_expand_prologue): Move flag_stack_usage_info support to eliminate duplication. (riscv_expand_epilogue): Generate mret for interrupt handler. (riscv_epilogue_uses): New. (riscv_can_use_return_insn): Return false for interrupt handler. (riscv_function_ok_for_sibcall): Likewise. (riscv_set_current_function): Add interrupt handler support. * config/riscv/riscv.h (EPILOGUE_USES): Call riscv_epilogue_uses. * config/riscv/riscv.md (UNSPECV_MRET): New. (GP_REGNUM): New. (riscv_frflags, riscv_fsflags): Use tab after opcode. (riscv_mret): New. * doc/extend.texi (RISC-V Function Attributes) : New. 2018-05-25 Bill Schmidt PR tree-optimization/85712 * gimple-ssa-strength-reduction.c (replace_one_candidate): Skip if this candidate has already been replaced in-situ by a copy. 2018-05-25 Jason Merrill PR c++/80485 - inline function non-zero address. * symtab.c (nonzero_address): Check DECL_COMDAT. 2018-05-25 Uros Bizjak PR target/83628 * config/alpha/alpha.md (ashlsi3): New insn pattern. (*ashlsi_se): Rename from *ashldi_se. Define as sign extension of SImode operation. Use const123_operand predicate. (*saddsi_1): Remove. (*saddl_se_1): Ditto. (*ssubsi_1): Ditto. (*ssubl_se_1): Ditto. * config/alpha/predicates.md (const123_operand): New predicate. * config/alpha/constraints.md (P): Use IN_RANGE. 2018-05-25 Richard Biener * tree-ssa-alias.h (refs_may_alias_p): Add tbaa_p bool parameter, defaulted to true. (ref_maybe_used_by_stmt_p): Likewise. (stmt_may_clobber_ref_p): Likewise. (stmt_may_clobber_ref_p_1): Likewise. * tree-ssa-alias.c (refs_may_alias_p): Add tbaa_p bool parameter and pass it along. (ref_maybe_used_by_stmt_p): Likewise. (stmt_may_clobber_ref_p): Likewise. (stmt_may_clobber_ref_p_1): Likewise. * tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Use the alias oracle to disambiguate DRs with stmts DR analysis couldn't handle. (vect_analyze_data_refs): Do not give up on not analyzable DRs for BB vectorization. Remove code truncating the dataref vector. 2018-05-25 Jakub Jelinek PR target/85832 * config/i386/sse.md (_eq3_1): Add (=Yk,v,C) variant using vptestm insn. Use TARGET_AVX512BW in test instead of TARGET_AVX512F for VI12_AVX512VL iterator. 2018-05-25 Richard Biener * tree-vect-data-refs.c (vect_find_stmt_data_reference): New function, combining stmt data ref gathering and fatal analysis parts. (vect_analyze_data_refs): Remove now redudnant code and simplify. * tree-vect-loop.c (vect_get_datarefs_in_loop): Factor out from vect_analyze_loop_2 and use vect_find_stmt_data_reference. * tree-vect-slp.c (vect_slp_bb): Use vect_find_stmt_data_reference. * tree-vectorizer.h (vect_find_stmt_data_reference): Declare. 2018-05-25 Bin Cheng PR tree-optimization/85720 * tree-loop-distribution.c (break_alias_scc_partitions): Don't merge SCC if all partitions are builtins. (version_loop_by_alias_check): New parameter. Generate cancelable runtime alias check if all partitions are builtins. (distribute_loop): Update call to above function. 2018-05-25 Bin Cheng * tree-outof-ssa.c (tree-ssa.h, tree-dfa.h): Include header files. (create_default_def, for_all_parms): Moved from tree-ssa-coalesce.c. (parm_default_def_partition_arg): Ditto. (set_parm_default_def_partition): Ditto. (get_parm_default_def_partitions): Ditto and make it static. (get_undefined_value_partitions): Ditto and make it static. (remove_ssa_form): Refactor call to init_var_map here. * tree-ssa-coalesce.c (build_ssa_conflict_graph): Support live range computation for loop region. (coalesce_partitions, compute_optimized_partition_bases): Ditto. (register_default_def): Delete. (for_all_parms, create_default_def): Move to tree-outof-ssa.c. (parm_default_def_partition_arg): Ditto. (set_parm_default_def_partition): Ditto. (get_parm_default_def_partitions): Ditto and make it static. (get_undefined_value_partitions): Ditto and make it static. (coalesce_with_default, coalesce_with_default): Update comment. (create_coalesce_list_for_region): New func factored out from create_outofssa_var_map. (populate_coalesce_list_for_outofssa): New func factored out from create_outofssa_var_map and coalesce_ssa_name. (create_outofssa_var_map): Delete. (coalesce_ssa_name): Refactor to support live range computation. * tree-ssa-coalesce.h (coalesce_ssa_name): Change decl. (get_parm_default_def_partitions): Delete. (get_undefined_value_partitions): Ditto. * tree-ssa-live.c (init_var_map, delete_var_map): Support live range computation for loop region. (new_tree_live_info, loe_visit_block): Ditto. (live_worklist, set_var_live_on_entry): Ditto. (calculate_live_on_exit, verify_live_on_entry): Ditto. * tree-ssa-live.h (struct _var_map): New fields. (init_var_map): Change decl. (region_contains_p): New. 2018-05-25 Bin Cheng * tree-ssa-live.h (live_merge_and_clear): Delete. 2018-05-25 Richard Biener PR c++/85912 * tree-dump.c (dequeue_and_dump): Remove access to removed operand 2 of a SWITCH_EXPR. 2018-05-25 Richard Sandiford * doc/sourcebuild.texi (vect_double_cond_arith): Include multiplication and division. * doc/md.texi (cond_mul@var{m}, cond_div@var{m}, cond_mod@var{m}) (cond_udiv@var{m}, cond_umod@var{m}): Document. * optabs.def (cond_smul_optab, cond_sdiv_optab, cond_smod_optab) (cond_udiv_optab, cond_umod_optab): New optabs. * internal-fn.def (IFN_COND_MUL, IFN_COND_DIV, IFN_COND_MOD) (IFN_COND_RDIV): New internal functions. * internal-fn.c (get_conditional_internal_fn): Handle TRUNC_DIV_EXPR, TRUNC_MOD_EXPR and RDIV_EXPR. * match.pd (UNCOND_BINARY, COND_BINARY): Handle them. * config/aarch64/iterators.md (UNSPEC_COND_MUL, UNSPEC_COND_DIV): New unspecs. (SVE_INT_BINARY): Include mult. (SVE_COND_FP_BINARY): Include UNSPEC_MUL and UNSPEC_DIV. (optab, sve_int_op): Handle mult. (optab, sve_fp_op, commutative): Handle UNSPEC_COND_MUL and UNSPEC_COND_DIV. * config/aarch64/aarch64-sve.md (cond_): New pattern for SVE_INT_BINARY_SD. 2018-05-25 Richard Sandiford * config/aarch64/iterators.md (SVE_INT_BINARY_SD): New code iterator. (optab, sve_int_op): Handle div and udiv. * config/aarch64/aarch64-sve.md (3): New expander for SVE_INT_BINARY_SD. (*3): New insn for the same. 2018-05-25 Richard Sandiford * tree-vect-patterns.c: Include predict.h. (vect_recog_divmod_pattern): Restrict check for division support to when optimizing for size. 2018-05-25 Richard Sandiford * doc/sourcebuild.texi (vect_double_cond_arith: Document. * gimple-match.h (gimple_match_op::MAX_NUM_OPS): Bump to 4. (gimple_match_op::gimple_match_op): Add an overload for 4 operands. (gimple_match_op::set_op): Likewise. (gimple_resimplify4): Declare. * genmatch.c (get_operand_type): Handle CFN_COND_* functions. (expr::gen_transform): Likewise. (decision_tree::gen): Generate a simplification routine for 4 operands. * gimple-match-head.c (gimple_simplify): Add an overload for 4 operands. In the top-level function, handle up to 4 call arguments and call gimple_resimplify4. (gimple_resimplify4): New function. (build_call_internal): Pass a fourth operand. (maybe_push_to_seq): Likewise. * match.pd (UNCOND_BINARY, COND_BINARY): New operator lists. Fold VEC_COND_EXPRs of an operation and a default value into an IFN_COND_* function if possible. * config/aarch64/iterators.md (UNSPEC_COND_MAX, UNSPEC_COND_MIN): New unspecs. (SVE_COND_FP_BINARY): Include them. (optab, sve_fp_op): Handle them. (SVE_INT_BINARY_REV): New code iterator. (SVE_COND_FP_BINARY_REV): New int iterator. (commutative): New int attribute. * config/aarch64/aarch64-protos.h (aarch64_sve_prepare_conditional_op): Declare. * config/aarch64/aarch64.c (aarch64_sve_prepare_conditional_op): New function. * config/aarch64/aarch64-sve.md (cond_): Use it. (*cond_): New patterns for reversed operands. 2018-05-25 Richard Biener * tree-vectorizer.h (STMT_VINFO_GROUP_*, GROUP_*): Remove. (DR_GROUP_*): New, assert we have non-NULL ->data_ref_info. (REDUC_GROUP_*): New, assert we have NULL ->data_ref_info. (STMT_VINFO_GROUPED_ACCESS): Adjust. * tree-vect-data-refs.c (everywhere): Adjust users. * tree-vect-loop.c (everywhere): Likewise. * tree-vect-slp.c (everywhere): Likewise. * tree-vect-stmts.c (everywhere): Likewise. * tree-vect-patterns.c (vect_reassociating_reduction_p): Likewise. 2018-05-25 Rainer Orth * configure.ac (gcc_cv_as_section_has_e): Move to common section. Rename to... (gcc_cv_as_section_exclude): ... this. Try Solaris as #exclude syntax. * configure: Regenerate. * config.in: Regenerate. * config/i386/i386.c (i386_solaris_elf_named_section): Handle SECTION_EXCLUDE. * config/sparc/sparc.c (sparc_solaris_elf_asm_named_section) [HAVE_GAS_SECTION_EXCLUDE]: Handle SECTION_EXCLUDE. * varasm.c (default_elf_asm_named_section): Don't check if HAVE_GAS_SECTION_EXCLUDE is defined. 2018-05-25 Richard Sandiford * doc/md.texi: Update the documentation of the cond_* optabs to mention the new final operand. Fix GET_MODE_NUNITS call. Describe the scalar case too. * internal-fn.def (IFN_EXTRACT_LAST): Change type to fold_left. * internal-fn.c (expand_cond_unary_optab_fn): Expect 3 operands instead of 2. (expand_cond_binary_optab_fn): Expect 4 operands instead of 3. (get_conditional_internal_fn): Update comment. * tree-vect-loop.c (vectorizable_reduction): Pass the original accumulator value as a final argument to conditional functions. * config/aarch64/aarch64-sve.md (cond_): Turn into a define_expand and add an "else" operand. Assert for now that the else operand is equal to operand 2. Use SVE_INT_BINARY and SVE_COND_FP_BINARY instead of SVE_COND_INT_OP and SVE_COND_FP_OP. (*cond_): New patterns. * config/aarch64/iterators.md (UNSPEC_COND_SMAX, UNSPEC_COND_UMAX) (UNSPEC_COND_SMIN, UNSPEC_COND_UMIN, UNSPEC_COND_AND, UNSPEC_COND_ORR) (UNSPEC_COND_EOR): Delete. (optab): Remove associated mappings. (SVE_INT_BINARY): New code iterator. (sve_int_op): Remove int attribute and add "minus" to the code attribute. (SVE_COND_INT_OP): Delete. (SVE_COND_FP_OP): Rename to... (SVE_COND_FP_BINARY): ...this. 2018-05-25 Richard Sandiford * optabs.c (can_reuse_operands_p): New function. (maybe_legitimize_operands): Try to reuse the results for earlier operands. 2018-05-24 Uros Bizjak * config/i386/sse.md (cvtusi264): Add {q} suffix to insn mnemonic. 2018-05-23 Jozef Lawrynowicz * config/msp430/msp430.c (TARGET_WARN_FUNC_RETURN): Define. (msp430_warn_func_return): New. 2018-05-24 Roger Sayle * fold-const.c (tree_nonzero_bits): New function. * fold-const.h (tree_nonzero_bits): Likewise. * match.pd (POPCOUNT): New patterns to fold BUILTIN_POPCOUNT and friends. POPCOUNT(x&1) => x&1, POPCOUNT(x)==0 => x==0, etc. 2018-05-24 H.J. Lu PR target/85900 PR target/85345 * varasm.c (assemble_alias): Check ifunc_resolver only on FUNCTION_DECL. 2018-05-24 Uros Bizjak PR target/85903 * config/i386/sse.md (movdi_to_sse): Do not generate pseudo when memory input operand is handled. 2018-05-24 Luis Machado * config/aarch64/aarch64.c (qdf24xx_addrcost_table): New static global. (qdf24xx_tunings) : Set to qdf24xx_addrcost_table. 2018-05-24 Richard Sandiford * match.pd: Delay FMA folds until after vectorization. 2018-05-24 Andre Vieira PR target/83009 * config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Make address check not strict. 2018-05-24 Richard Sandiford * gimple-match.h (gimple_match_op): New class. (mprts_hook): Replace parameters with a gimple_match_op *. (maybe_build_generic_op): Likewise. (gimple_simplified_result_is_gimple_val): Replace parameters with a const gimple_match_op *. (gimple_simplify): Replace code_helper * and tree * parameters with a gimple_match_op * parameter. (gimple_resimplify1): Replace code_helper *, tree and tree * parameters with a gimple_match_op * parameter. (gimple_resimplify2): Likewise. (gimple_resimplify3): Likewise. (maybe_push_res_to_seq): Replace code_helper, tree and tree * parameters with a gimple_match_op * parameter. * gimple-match-head.c (gimple_simplify): Change prototypes of auto-generated functions to take a gimple_match_op * instead of separate code_helper * and tree * parameters. Make the same change in the top-level overload and update calls to the gimple_resimplify routines. Update calls to the auto-generated functions and to maybe_push_res_to_seq in the publicly-facing operation-specific gimple_simplify overloads. (gimple_match_op::MAX_NUM_OPS): Define. (gimple_resimplify1): Replace rcode and ops with a single res_op parameter. Update call to gimple_simplify. (gimple_resimplify2): Likewise. (gimple_resimplify3): Likewise. (mprts_hook): Replace parameters with a gimple_match_op *. (maybe_build_generic_op): Likewise. (build_call_internal): Replace type, nargs and ops with a gimple_match_op *. (maybe_push_res_to_seq): Replace res_code, type and ops parameters with a single gimple_match_op *. Update calls to mprts_hook, build_call_internal and gimple_simplified_result_is_gimple_val. Factor out code that is common to the tree_code and combined_fn cases. * genmatch.c (expr::gen_transform): Replace tem_code and tem_ops with a gimple_match_op called tem_op. Update calls to the gimple_resimplify functions and maybe_push_res_to_seq. (dt_simplify::gen_1): Manipulate res_op instead of res_code and res_ops. Update call to the gimple_resimplify functions. (dt_simplify::gen): Pass res_op instead of res_code and res_ops. (decision_tree::gen): Make the functions take a gimple_match_op * called res_op instead of separate res_code and res_ops parameters. Update call accordingly. * gimple-fold.c (replace_stmt_with_simplification): Replace rcode and ops with a single res_op parameter. Update calls to maybe_build_generic_op and maybe_push_res_to_seq. (fold_stmt_1): Update calls to gimple_simplify and replace_stmt_with_simplification. (gimple_fold_stmt_to_constant_1): Update calls to gimple_simplify and gimple_simplified_result_is_gimple_val. * tree-cfgcleanup.c (cleanup_control_expr_graph): Update call to gimple_simplify. * tree-ssa-sccvn.c (vn_lookup_simplify_result): Replace parameters with a gimple_match_op *. (vn_nary_build_or_lookup): Likewise. Update call to vn_nary_build_or_lookup_1. (vn_nary_build_or_lookup_1): Replace rcode, type and ops with a gimple_match_op *. Update calls to the gimple_resimplify routines and to gimple_simplified_result_is_gimple_val. (vn_nary_simplify): Update call to vn_nary_build_or_lookup_1. Use gimple_match_op::MAX_NUM_OPS instead of a hard-coded 3. (vn_reference_lookup_3): Update call to vn_nary_build_or_lookup. (visit_nary_op): Likewise. (visit_reference_op_load): Likewise. 2018-05-23 Luis Machado * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Use correct type modifier for printing the step amount. 2018-05-23 Jozef Lawrynowicz PR target/78849 * tree.c (build_common_tree_nodes): Dont set TYPE_SIZE for __intN types. 2018-05-23 Segher Boessenkool * doc/sourcebuild.texi (Endianness): New subsubsection. 2018-05-23 Luis Machado * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) : New const bool field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include prefetch_dynamic_strides. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune): Likewise. Set prefetch_dynamic_strides to false. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_DYNAMIC_STRIDES. * doc/invoke.texi (prefetch-dynamic-strides): Document new option. * params.def (PARAM_PREFETCH_DYNAMIC_STRIDES): New. * params.h (PARAM_PREFETCH_DYNAMIC_STRIDES): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Account for prefetch-dynamic-strides setting. 2018-05-23 Luis Machado * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) : New const int field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include minimum_stride field defaulting to -1. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune) : Set to 2048. : Set to 3. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_MINIMUM_STRIDE. * doc/invoke.texi (prefetch-minimum-stride): Document new option. * params.def (PARAM_PREFETCH_MINIMUM_STRIDE): New. * params.h (PARAM_PREFETCH_MINIMUM_STRIDE): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Return false if stride is constant and is below the minimum stride threshold. 2018-05-23 Kyrylo Tkachov * config/arm/arm-cpus.in (mode26): Delete. (armv4): Delete mode26 reference. * config/arm/arm.c (arm_configure_build_target): Delete use of isa_bit_mode26. 2018-05-23 Uros Bizjak * config/i386/i386.md (*floatuns2_avx512): New insn pattern. (floatunssi2): Also enable for AVX512F and TARGET_SSE_MATH. Rewrite expander pattern. Emit gen_floatunssi2_i387_with_xmm for non-SSE modes. (floatunsdisf2): Rewrite expander pattern. Hanlde TARGET_AVX512F. (floatunsdidf2): Ditto. 2018-05-23 Uros Bizjak * config/i386/i386.md (fixuns_truncdi2): New insn pattern. (fixuns_truncsi2_avx512f): Ditto. (*fixuns_truncsi2_avx512f_zext): Ditto. (fixuns_truncsi2): Also enable for AVX512F and TARGET_SSE_MATH. Emit fixuns_truncsi2_avx512f for AVX512F targets. 2018-05-23 Alexander Monakov PR rtl-optimization/79985 * df-scan.c (df_insn_refs_collect): Remove special case for global registers and asm statements. 2018-05-23 Alexander Monakov * extend.texi (Global Register Variables): Rewrite the bullet list. Note that the register is available for allocation. Note that access via inline asm must use constraints. Add note about async-signal handlers. Remove paragraph about automagic register selection. 2018-05-23 Richard Biener * tree-ssa-sccvn.c (vn_reference_lookup_3): Remove restriction of fixed offset from memset VN. 2018-05-23 Bill Schmidt * gimple-ssa-strength-reduction.c (struct slsr_cand_d): Add first_interp field. (alloc_cand_and_find_basis): Initialize first_interp field. (slsr_process_mul): Modify first_interp field. (slsr_process_add): Likewise. (slsr_process_cast): Modify first_interp field for each new interpretation. (slsr_process_copy): Likewise. (dump_candidate): Dump first_interp field. (replace_mult_candidate): Process all interpretations, not just subsequent ones. (replace_rhs_if_not_dup): Likewise. (replace_one_candidate): Likewise. 2018-05-23 Wilco Dijkstra * config/aarch64/aarch64.c (aarch64_use_frame_pointer): Add new boolean. (aarch64_needs_frame_chain): New function. (aarch64_parse_override_string): Set aarch64_use_frame_pointer. 2018-05-23 Sudakshina Das PR target/84882 * common/config/aarch64/aarch64-common.c (aarch64_handle_option): Check val before adding MASK_STRICT_ALIGN to opts->x_target_flags. * config/aarch64/aarch64.opt (mstrict-align): Remove RejectNegative. * config/aarch64/aarch64.c (aarch64_attributes): Mark allow_neg as true for strict-align. (aarch64_can_inline_p): Perform checks even when callee has no attributes to check for strict alignment. * doc/extend.texi (AArch64 Function Attributes): Document no-strict-align. * doc/invoke.texi: (AArch64 Options): Likewise. 2018-05-23 Richard Sandiford PR tree-optimization/85853 * tree-vect-slp.c (vect_slp_analyze_node_operations): Split out the handling of the root of the node to... (vect_slp_analyze_node_operations_1): ...this new function, and run the whole thing with the child nodes' def types set according to their SLP node's def type. 2018-05-23 Richard Biener PR middle-end/85874 * tree-data-ref.c (create_runtime_alias_checks): Defer and ignore overflow warnings. 2018-05-23 Yury Gribov PR tree-optimization/85822 * tree-vrp.c (is_masked_range_test): Fix handling of negative constants. 2018-05-23 Richard Biener * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle arbitrary memset constants via native_interpret_expr. 2018-05-22 H.J. Lu PR target/85345 * cgraph.h (cgraph_node::create): Set ifunc_resolver for ifunc attribute. (cgraph_node::create_alias): Likewise. (cgraph_node::get_availability): Check ifunc_resolver instead of looking up ifunc attribute. * cgraphunit.c (maybe_diag_incompatible_alias): Likewise. * varasm.c (do_assemble_alias): Likewise. (assemble_alias): Likewise. (default_binds_local_p_3): Likewise. * cgraph.h (cgraph_node): Add ifunc_resolver. (cgraph_node::only_called_directly_or_aliased_p): Return false for IFUNC resolver. * lto-cgraph.c (input_node): Set ifunc_resolver for ifunc attribute. * symtab.c (symtab_node::verify_base): Verify that ifunc_resolver is equivalent to lookup_attribute ("ifunc", DECL_ATTRIBUTES (decl)). (symtab_node::binds_to_current_def_p): Check ifunc_resolver instead of looking up ifunc attribute. 2018-05-22 Luis Machado * config/aarch64/aarch64.md (*ashift_extv_bfiz): New pattern. 2018-05-22 Martin Sebor PR middle-end/85359 * builtins.c (expand_builtin_strcpy): Call maybe_warn_nonstring_arg only when expasion succeeds. (expand_builtin_strcmp): Same. (expand_builtin_strncmp): Same. 2018-05-22 Martin Sebor * calls.c (maybe_warn_nonstring_arg): Fix a typo in a comment. 2018-05-22 Jackson Woodruff Kyrylo Tkachov * config/aarch64/aarch64-ldpstp.md: Replace uses of aarch64_mem_pair_operand with memory_operand and delete operand swapping code. * config/aarch64/aarch64.c (aarch64_operands_ok_for_ldpstp): Add check for legitimate_address. (aarch64_gen_adjusted_ldpstp): Swap operands where appropriate. (aarch64_swap_ldrstr_operands): New. * config/aarch64/aarch64-protos.h (aarch64_swap_ldrstr_operands): Define prototype. 2018-05-22 Jackson Woodruff Kyrylo Tkachov * config/aarch64/aarch64.md: New patterns to generate stp and ldp. (store_pair_sw, store_pair_dw): New patterns to generate stp for single words and double words. (load_pair_sw, load_pair_dw): Likewise. (store_pair_sf, store_pair_df, store_pair_si, store_pair_di): Delete. (load_pair_sf, load_pair_df, load_pair_si, load_pair_di): Delete. * config/aarch64/aarch64-ldpstp.md: Modify peephole for different mode ldpstp and add peephole for merged zero stores. Likewise for loads. * config/aarch64/aarch64.c (aarch64_operands_ok_for_ldpstp): Add size check. (aarch64_gen_store_pair): Rename calls to match new patterns. (aarch64_gen_load_pair): Rename calls to match new patterns. * config/aarch64/aarch64-simd.md (load_pair): Rename to... (load_pair): ... This. (store_pair): Rename to... (vec_store_pair): ... This. * config/aarch64/iterators.md (DREG, DREG2, DX2, SX, SX2, DSX): New mode iterators. (V_INT_EQUIV): Handle SImode. * config/aarch64/predicates.md (aarch64_reg_zero_or_fp_zero): New predicate. 2018-05-22 Martin Sebor PR c/85623 * calls.c (maybe_warn_nonstring_arg): Use string length to set or ajust the presumed bound on an operation to avoid unnecessary warnings. 2018-05-22 Martin Sebor PR tree-optimization/85826 * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Avoid assuming that a DECL necesarily has a constant size. 2018-05-22 Richard Sandiford PR middle-end/85862 * internal-fn.c (expand_direct_optab_fn): Cope with a null lhs. 2018-05-22 Richard Biener PR tree-optimization/85834 * tree-ssa-sccvn.c (vn_reference_lookup_3): Properly handle non-constant and non-zero memset arguments. 2018-05-22 Martin Liska PR ipa/85607 * ipa-icf.c (sem_item::add_type): Do not ICE for incomplete types. 2018-05-22 Richard Biener PR tree-optimization/85863 * tree-vect-stmts.c (vect_is_simple_cond): Only widen invariant comparisons when vectype is specified. (vectorizable_condition): Do not specify vectype for vect_is_simple_cond when SLP vectorizing. 2018-05-21 Michael Meissner PR target/85657 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not define __ibm128 as long double. * config/rs6000/rs6000.c (rs6000_init_builtins): Create __ibm128 as a distinct type when IEEE 128-bit support is enabled. (init_float128_ieee): Fix up conversions between IFmode and IEEE 128-bit types to use the correct functions. (rs6000_expand_float128_convert): Use explicit FLOAT_EXTEND to convert between 128-bit floating point types that have different modes but the same representation, instead of using gen_lowpart to makean alias. * config/rs6000/rs6000.md (IFKF): New iterator for IFmode and KFmode. (IFKF_reg): New attributes to give the register constraints for IFmode and KFmode. (extendtf2_internal): New insns to mark an explicit conversion between 128-bit floating point types that have a different mode but share the same representation. 2018-05-21 Richard Sandiford PR tree-optimization/85814 * tree-ssa-strlen.c (get_stridx_plus_constant): Cope with a null return from get_strinfo when unsharing the next strinfo in the chain. 2018-05-21 Vladimir Mezentsev PR gcc/84923 * varasm.c (weak_finish): Clean up weak_decls. 2018-05-21 Kyrylo Tkachov * config/aarch64/aarch64.md ("unspec"): Define UNSPEC_SABAL, UNSPEC_SABDL2, UNSPEC_SADALP, UNSPEC_UABAL, UNSPEC_UABDL2, UNSPEC_UADALP values. * config/aarch64/iterators.md (ABAL): New int iterator. (ABDL2): Likewise. (ADALP): Likewise. (sur): Add mappings for the above. * config/aarch64/aarch64-simd.md (aarch64_abdl2_3): New define_insn. (aarch64_abal_4): Likewise. (aarch64_adalp_3): Likewise. (sadv16qi): New define_expand. 2018-05-21 Alexander Nesterovskiy * config/i386/i386.md (*movsf_internal): AVX falsedep fix. (*movdf_internal): Ditto. (*rcpsf2_sse): Ditto. (*rsqrtsf2_sse): Ditto. (*sqrt2_sse): Ditto. 2018-05-21 Tamar Christina * config/aarch64/aarch64-simd.md (aarch64_eor3qv8hi): Change to eor3q4. (aarch64_bcaxqv8hi): Change to bcaxq4. * config/aarch64/aarch64-simd-builtins.def (veor3q_u8, veor3q_u32, veor3q_u64, veor3q_s8, veor3q_s16, veor3q_s32, veor3q_s64, vbcaxq_u8, vbcaxq_u32, vbcaxq_u64, vbcaxq_s8, vbcaxq_s16, vbcaxq_s32, vbcaxq_s64): New. * config/aarch64/arm_neon.h: Likewise. * config/aarch64/iterators.md (VQ_I): New. 2018-05-21 Alexey Brodkin * config.gcc: Add arc/t-multilib-linux to tmake_file for arc*-*-linux*. * config/arc/t-multilib-linux: Specify MULTILIB_OPTIONS and MULTILIB_DIRNAMES 2018-05-20 Chung-Ju Wu * config/nds32/constraints.md (S): New constraint. * config/nds32/nds32.md (call_internal): Use constraint S. (call_value_internal): Likewise. (sibcall_internal): Likewise. (sibcall_value_internal): Likewise. 2018-05-20 Kito Cheng Chung-Ju Wu * config/nds32/nds32.c (nds32_register_move_cost): Take garywolf cpu into consideration. 2018-05-20 Kito Cheng Chung-Ju Wu * config/nds32/nds32-cost.c (rtx_cost_model_t): New structure. (insn_size_16bit, insn_size_32bit): New variables for cost evaluation. (nds32_rtx_costs_impl): Simplify. (nds32_address_cost_impl): Simplify. (nds32_init_rtx_costs): New function. (nds32_rtx_costs_speed_prefer): Likewise. (nds32_rtx_costs_size_prefer): Likewise. (nds32_address_cost_speed_prefer): Likewise. (nds32_address_cost_speed_fwprop): Likewise. (nds32_address_cost_size_prefer): Likewise. * config/nds32/nds32-protos.h (nds32_init_rtx_costs): Declare. * config/nds32/nds32.c (nds32_option_override): Use nds32_init_rtx_costs function. 2018-05-20 Chung-Ju Wu * config/nds32/nds32.c (nds32_asm_file_start): Output pipeline model. * config/nds32/nds32.h (TARGET_PIPELINE_N7): Define. (TARGET_PIPELINE_N8): Likewise. (TARGET_PIPELINE_N10): Likewise. (TARGET_PIPELINE_N13): Likewise. (TARGET_PIPELINE_GRAYWOLF): Likewise. 2018-05-19 Monk Chiang * config/nds32/nds32-fpu.md: Update copyright year. 2018-05-19 Chung-Ju Wu * config/nds32/nds32.h (ASM_SPEC): Adjust spec rule. 2018-05-19 Chung-Ju Wu * config/nds32/nds32.c (nds32_md_asm_adjust): Consider flag_inline_asm_r15 variable. * config/nds32/nds32.opt (minline-asm-r15): New option. 2018-05-19 Chung-Ju Wu * common/config/nds32/nds32-common.c (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_HW_ABS. * config/nds32/nds32.md (abssi2): New pattern. 2018-05-19 Uros Bizjak * config/i386/i386.md (rex64namesuffix): New mode attribute. * config/i386/sse.md (sse_cvtsi2ss): Merge insn pattern from sse_cvtsi2ss and sse_cvtsi2ssq using SWI48 mode iterator. (sse_cvtss2si): Merge insn pattern from sse_cvtss2si and sse_cvtss2siq using SWI48 mode iterator. (sse_cvtss2si_2): Merge insn pattern from sse_cvtss2si_2 and sse_cvtss2siq_2 using SWI48 mode iterator. (sse_cvttss2si): Merge insn pattern from sse_cvttss2si and sse_cvttss2siq using SWI48 mode iterator. (avx512f_vcvtss2usi): Merge insn pattern from avx512f_vcvtss2usi and avx512f_vcvtss2usiq using SWI48 mode iterator. (avx512f_vcvttss2usi): Merge insn pattern from avx512f_vcvttss2usi and avx512f_vcvttss2usiq using SWI48 mode iterator. (avx512f_vcvtsd2usi): Merge insn pattern from avx512f_vcvtsd2usi and avx512f_vcvtsd2usiq using SWI48 mode iterator. (avx512f_vcvttsd2usi): Merge insn pattern from avx512f_vcvttsd2usi and avx512f_vcvttsd2usiq using SWI48 mode iterator. (sse2_cvtsd2si): Merge insn pattern from sse2_cvtsd2si and sse2_cvtsd2siq using SWI48 mode iterator. (sse2_cvtsd2si_2): Merge insn pattern from sse2_cvtsd2si_2 and sse2_cvtsd2siq_2 using SWI48 mode iterator. (sse_cvttsd2si): Merge insn pattern from sse_cvttsd2si and sse_cvttsd2siq using SWI48 mode iterator. 2018-05-19 Chung-Ju Wu * config/nds32/nds32-md-auxiliary.c (nds32_valid_smw_lwm_base_p): Refine. (nds32_output_smw_single_word): Refine. (nds32_output_smw_double_word): New. * config/nds32/nds32-protos.h (nds32_output_smw_double_word): New. 2018-05-19 Chung-Ju Wu * config/nds32/nds32-md-auxiliary.c (nds32_output_stack_push): Refine. (nds32_output_stack_pop): Refine. (nds32_expand_unaligned_load): Refine. (nds32_expand_unaligned_store): Refine. 2018-05-19 Kuan-Lin Chen Chung-Ju Wu * config/nds32/constants.md: Add TP_REGNUM constant. (unspec_element): Add UNSPEC_GOTINIT, UNSPEC_GOT, UNSPEC_GOTOFF, UNSPEC_PLT, UNSPEC_TLSGD, UNSPEC_TLSLD, UNSPEC_TLSIE, UNSPEC_TLSLE and UNSPEC_ADD32. * config/nds32/nds32-doubleword.md: Consider flag_pic. * config/nds32/nds32-dspext.md (mov): Expand TLS and PIC cases. * config/nds32/nds32-predicates.c (nds32_const_unspec_p): New. * config/nds32/nds32-md-auxiliary.c: Implementation that support TLS and PIC code generation. * config/nds32/nds32-protos.h: Declarations that support TLS and PIC code generation. * config/nds32/nds32-relax-opt.c: Consider TLS and PIC for relax optimization. * config/nds32/nds32.md: Support TLS and PIC. * config/nds32/nds32.c: Support TLS and PIC. * config/nds32/nds32.h (nds32_relax_insn_type): New enum type. * config/nds32/predicates.md (nds32_nonunspec_symbolic_operand): New predicate. 2018-05-19 Chung-Ju Wu * config/nds32/nds32-predicates.c (const_vector_to_hwint): Use machine mode with E_ prefix. 2018-05-19 Kuan-Lin Chen Chung-Ju Wu * config/nds32/constants.md (unspec_element): Add UNSPEC_ICT. * config/nds32/nds32-md-auxiliary.c (symbolic_reference_mentioned_p): New. (nds32_legitimize_ict_address): New. (nds32_expand_ict_move): New. (nds32_indirect_call_referenced_p): New. (nds32_symbol_binds_local_p): Delete. (nds32_long_call_p): Modify. * config/nds32/nds32-opts.h (nds32_ict_model_type): New enum type. * config/nds32/nds32-protos.h (symbolic_reference_mentioned_p): Declare. (nds32_legitimize_ict_address): Declare. (nds32_expand_ict_move): Declare. (nds32_indirect_call_referenced_p): Declare. * config/nds32/nds32-relax-opt.c (nds32_ict_const_p): New. (nds32_relax_group): Use nds32_ict_const_p as condition. * config/nds32/nds32.c (nds32_attribute_table): Add "indirect_call". (nds32_asm_file_start): Output ict_model directive in asm code. (nds32_legitimate_address_p): Consider indirect call. (nds32_print_operand): Consider indirect call. (nds32_print_operand_address): Consider indirect call. (nds32_insert_attributes): Handle "indirect_call" attribute. (TARGET_LEGITIMATE_ADDRESS_P): Define. (TARGET_LEGITIMATE_CONSTANT_P): Define. (TARGET_CANNOT_FORCE_CONST_MEM): Define. (TARGET_DELEGITIMIZE_ADDRESS): Define. (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define. * config/nds32/nds32.h (SYMBOLIC_CONST_P): Define. (TARGET_ICT_MODEL_SMALL): Define. (TARGET_ICT_MODEL_LARGE): Define. * config/nds32/nds32.md (movsi): Consider ict model. (call, call_value): Consider ict model. (sibcall, sibcall_value): Consider ict model. * config/nds32/nds32.opt (mict-model): New option. * config/nds32/predicates.md (nds32_symbolic_operand): Consider ict model. 2018-05-18 Kito Cheng Monk Chiang Jim Wilson * common/config/riscv/riscv-common.c (riscv_parse_arch_string): Add support to parse rv32e*. Clear MASK_RVE for rv32i and rv64i. * config.gcc (riscv*-*-*): Add support for rv32e* and ilp32e. * config/riscv/riscv-c.c (riscv_cpu_cpp_builtins): Define __riscv_32e when TARGET_RVE. Handle ABI_ILP32E as soft-float ABI. * config/riscv/riscv-opts.h (riscv_abi_type): Add ABI_ILP32E. * config/riscv/riscv.c (riscv_compute_frame_info): When TARGET_RVE, compute save_libcall_adjustment properly. (riscv_option_override): Call error if TARGET_RVE and not ABI_ILP32E. (riscv_conditional_register_usage): Handle TARGET_RVE and ABI_ILP32E. * config/riscv/riscv.h (UNITS_PER_FP_ARG): Handle ABI_ILP32E. (STACK_BOUNDARY, ABI_STACK_BOUNDARY): Handle TARGET_RVE. (GP_REG_LAST, MAX_ARGS_IN_REGISTERS): Likewise. (ABI_SPEC): Handle mabi=ilp32e. * config/riscv/riscv.opt (abi_type): Add ABI_ILP32E. (RVE): Add RVE mask. * doc/invoke.texi (RISC-V options) <-mabi>: Add ilp32e info. <-march>: Add rv32e as an example. 2018-05-18 Marc Glisse PR c++/82899 * tree-ssa-structalias.c (create_variable_info_for_1): Extra argument. (intra_create_variable_infos): Handle C++ constructors. 2018-05-18 Martin Liska * passes.def: Remove a redundant pass. 2018-05-18 Eric Botcazou PR bootstrap/85838 * config/sparc/sparc.c (sparc_expand_builtin): Always initialize op[0]. 2018-05-18 Kyrylo Tkachov * config/arm/arm-cpus.in (armv3m, mode32): Delete features. (ARMv4): Update. (ARMv2, ARMv3, ARMv3m): Delete fgroups. (ARMv6m): Update. (armv2, armv2a, armv3, armv3m): Delete architectures. (arm2, arm250, arm3, arm6, arm60, arm600, arm610, arm620, arm7, arm7d, arm7di, arm70, arm700, arm700i, arm710, arm720, arm710c, arm7100, arm7500, arm7500fe, arm7m, arm7dm, arm7dmi): Delete cpus. * config/arm/arm.md (maddsidi4): Remove check for arm_arch3m. (*mulsidi3adddi): Likewise. (mulsidi3): Likewise. (*mulsidi3_nov6): Likewise. (umulsidi3): Likewise. (umulsidi3_nov6): Likewise. (umaddsidi4): Likewise. (*umulsidi3adddi): Likewise. (smulsi3_highpart): Likewise. (*smulsi3_highpart_nov6): Likewise. (umulsi3_highpart): Likewise. (*umulsi3_highpart_nov6): Likewise. * config/arm/arm.h (arm_arch3m): Delete. * config/arm/arm.c (arm_arch3m): Delete. (arm_option_override_internal): Update armv3-related comment. (arm_configure_build_target): Delete use of isa_bit_mode32. (arm_option_reconfigure_globals): Delete set of arm_ach3m. (arm_rtx_costs_internal): Delete check of arm_arch3m. * config/arm/arm-fixed.md (mulsq3): Delete check for arm_arch3m. (mulsa3): Likewise. (mulusa3): Likewise. * config/arm/arm-protos.h (arm_arch3m): Delete. * config/arm/arm-tables.opt: Regenerate. * config/arm/arm-tune.md: Likewise. * config/arm/t-arm-elf (all_early_nofp): Delete mentions of deleted architectures. 2018-05-18 Kyrylo Tkachov * config/arm/arm-cpus.in (armv5, armv5e): Delete features. (armv5t, armv5te): New features. (ARMv5, ARMv5e): Delete fgroups. (ARMv5t, ARMv5te): Adjust for above changes. (ARMv6m): Likewise. (armv5, armv5e): Delete arches. * config/arm/arm.md (*call_reg_armv5): Use arm_arch5t instead of arm_arch5. (*call_reg_arm): Likewise. (*call_value_reg_armv5): Likewise. (*call_value_reg_arm): Likewise. (*call_symbol): Likewise. (*call_value_symbol): Likewise. (*sibcall_insn): Likewise. (*sibcall_value_insn): Likewise. (clzsi2): Likewise. (prefetch): Likewise. (define_split and define_peephole2 dependent on arm_arch5): Likewise. * config/arm/arm.h (TARGET_LDRD): Use arm_arch5te instead of arm_arch5e. (TARGET_ARM_QBIT): Likewise. (TARGET_DSP_MULTIPLY): Likewise. (enum base_architecture): Delete BASE_ARCH_5, BASE_ARCH_5E. (arm_arch5, arm_arch5e): Delete. (arm_arch5t, arm_arch5te): Declare. * config/arm/arm.c (arm_arch5, arm_arch5e): Delete. (arm_arch5t): Declare. (arm_option_reconfigure_globals): Update for the above. (arm_options_perform_arch_sanity_checks): Update comment, replace use of arm_arch5 with arm_arch5t. (use_return_insn): Likewise. (arm_emit_call_insn): Likewise. (output_return_instruction): Likewise. (arm_final_prescan_insn): Likewise. (arm_coproc_builtin_available): Likewise. * config/arm/arm-c.c (arm_cpu_builtins): Replace arm_arch5 and arm_arch5e with arm_arch5t and arm_arch5te. * config/arm/arm-protos.h (arm_arch5, arm_arch5e): Delete. (arm_arch5t, arm_arch5te): Declare. * config/arm/arm-tables.opt: Regenerate. * config/arm/t-arm-elf: Remove references to armv5, armv5e. * config/arm/t-multilib: Likewise. * config/arm/thumb1.md (*call_reg_thumb1_v5): Check arm_arch5t instead of arm_arch5. (*call_reg_thumb1): Likewise. (*call_value_reg_thumb1_v5): Likewise. (*call_value_reg_thumb1): Likewise. * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Remove now unreachable path. * doc/invoke.texi (ARM Options): Remove references to armv5, armv5e. 2018-05-18 Martin Liska PR gcov-profile/84846 * doc/gcov.texi: Document -t option of gcov tool. 2018-05-18 Martin Liska PR gcov-profile/84846 * gcov.c (print_usage): Add new -t option. (process_args): Handle the option. (generate_results): Use stdout as output when requested by the option. 2018-05-18 Martin Liska PR gcov-profile/84846 * coverage.c (coverage_init): Write PWD to .gcno file. * doc/gcov.texi: Document how working directory is printed. * gcov-dump.c (dump_gcov_file): Print PWD. * gcov.c (output_intermediate_file): Likewise. (read_graph_file): Read PWD string. (output_lines): Print PWD. 2018-05-18 Prathamesh Kulkarni PR middle-end/85817 * ipa-pure-const.c (malloc_candidate_p): Remove the check integer_zerop for retval and return false if all args to phi are zero. 2018-05-18 Richard Biener * gimple-ssa-evrp.c (class evrp_folder): Add simplify_stmt_using_ranges method. (evrp_dom_walker::before_dom_children): Call it. 2018-05-18 Richard Biener * tree-dfa.c (get_ref_base_and_extent): Use range-info to refine results when processing array refs with variable index. 2018-05-18 Toon Moene * doc/invoke.texi: Move -floop-unroll-and-jam documentation directly after that of -floop-interchange. Indicate that both options are enabled by default when specifying -O3. 2018-05-18 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (vec_set): Use VALL_F16 mode iterator. Delete separate integer-mode vec_set expander. (aarch64_simd_vec_setv2di): Delete. (vec_setv2di): Delete. (aarch64_simd_vec_set): Delete all other patterns with that name. Use VALL_F16 mode iterator. Add LD1 alternative and use vwcore for the "w, r" alternative. 2018-05-18 Martin Liska * passes.def: Add pass_lower_switch and pass_lower_switch_O0. * tree-pass.h (make_pass_lower_switch_O0): New function. * tree-switch-conversion.c (node_has_low_bound): Remove. (node_has_high_bound): Likewise. (node_is_bounded): Likewise. (class pass_lower_switch): Make it a template type and create two instances. (pass_lower_switch::execute): Add template argument. (make_pass_lower_switch): New function. (make_pass_lower_switch_O0): New function. (do_jump_if_equal): Remove. (emit_case_nodes): Simplify to just handle all 3 cases and leave all the hard work to tree optimization passes. 2018-05-18 Martin Liska * dbgcnt.c (limit_low): Renamed from limit. (limit_high): New variable. (dbg_cnt_is_enabled): Check for upper limit. (dbg_cnt): Adjust dumping. (dbg_cnt_set_limit_by_index): Add new argument for high value. (dbg_cnt_set_limit_by_name): Likewise. (dbg_cnt_process_single_pair): Parse new format. (dbg_cnt_process_opt): Use strtok. (dbg_cnt_list_all_counters): Remove 'value' and add 'limit_high'. * doc/invoke.texi: Document changes. 2018-05-18 Richard Sandiford * doc/sourcebuild.texi (scalar_all_fma): Document. * tree.def (FMA_EXPR): Delete. * internal-fn.def (FMA, FMS, FNMA, FNMS): New internal functions. * internal-fn.c (ternary_direct): New macro. (expand_ternary_optab_fn): Likewise. (direct_ternary_optab_supported_p): Likewise. * Makefile.in (build/genmatch.o): Depend on case-fn-macros.h. * builtins.c (fold_builtin_fma): Delete. (fold_builtin_3): Don't call it. * cfgexpand.c (expand_debug_expr): Remove FMA_EXPR handling. * expr.c (expand_expr_real_2): Likewise. * fold-const.c (operand_equal_p): Likewise. (fold_ternary_loc): Likewise. * gimple-pretty-print.c (dump_ternary_rhs): Likewise. * gimple.c (DEFTREECODE): Likewise. * gimplify.c (gimplify_expr): Likewise. * optabs-tree.c (optab_for_tree_code): Likewise. * tree-cfg.c (verify_gimple_assign_ternary): Likewise. * tree-eh.c (operation_could_trap_p): Likewise. (stmt_could_throw_1_p): Likewise. * tree-inline.c (estimate_operator_cost): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. (op_code_prio): Likewise. * tree-ssa-loop-im.c (stmt_cost): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * tree.c (commutative_ternary_tree_code, add_expr): Likewise. * fold-const-call.h (fold_fma): Delete. * fold-const-call.c (fold_const_call_ssss): Handle CFN_FMS, CFN_FNMA and CFN_FNMS. (fold_fma): Delete. * genmatch.c (combined_fn): New enum. (commutative_ternary_tree_code): Remove FMA_EXPR handling. (commutative_op): New function. (commutate): Use it. Handle more than 2 operands. (dt_operand::gen_gimple_expr): Use commutative_op. (parser::parse_expr): Allow :c to be used with non-binary operators if the commutative operand is known. * gimple-ssa-backprop.c (backprop::process_builtin_call_use): Handle CFN_FMS, CFN_FNMA and CFN_FNMS. (backprop::process_assign_use): Remove FMA_EXPR handling. * hsa-gen.c (gen_hsa_insns_for_operation_assignment): Likewise. (gen_hsa_fma): New function. (gen_hsa_insn_for_internal_fn_call): Use it for IFN_FMA, IFN_FMS, IFN_FNMA and IFN_FNMS. * match.pd: Add folds for IFN_FMS, IFN_FNMA and IFN_FNMS. * gimple-fold.h (follow_all_ssa_edges): Declare. * gimple-fold.c (follow_all_ssa_edges): New function. * tree-ssa-math-opts.c (convert_mult_to_fma_1): Use the gimple_build interface and use follow_all_ssa_edges to fold the result. (convert_mult_to_fma): Use direct_internal_fn_suppoerted_p instead of checking for optabs directly. * config/i386/i386.c (ix86_add_stmt_cost): Recognize FMAs as calls rather than FMA_EXPRs. * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Create a call to IFN_FMA instead of an FMA_EXPR. 2018-05-17 Jim Wilson * expr.c (do_tablejump): When converting index to Pmode, if we have a sign extended promoted subreg, and the range does not have the sign bit set, then do a sign extend. * config/riscv/riscv.c (riscv_extend_comparands): In unsigned QImode test, check for sign extended subreg and/or constant operands, and do a sign extend in that case. 2018-05-17 Steve Ellcey * config/aarch64/thunderx2t99.md (thunderx2t99_ls_both): Delete. (thunderx2t99_multiple): Delete psuedo-units from used cpus. Add untyped. (thunderx2t99_alu_shift): Remove alu_shift_reg, alus_shift_reg. Change logics_shift_reg to logics_shift_imm. (thunderx2t99_fp_loadpair_basic): Delete. (thunderx2t99_fp_storepair_basic): Delete. (thunderx2t99_asimd_int): Add neon_sub and neon_sub_q types. (thunderx2t99_asimd_polynomial): Delete. (thunderx2t99_asimd_fp_simple): Add neon_fp_mul_s_scalar_q and neon_fp_mul_d_scalar_q. (thunderx2t99_asimd_fp_conv): Add *int_to_fp* types. (thunderx2t99_asimd_misc): Delete neon_dup and neon_dup_q. (thunderx2t99_asimd_recip_step): Add missing *sqrt* types. (thunderx2t99_asimd_lut): Add missing tbl types. (thunderx2t99_asimd_ext): Delete. (thunderx2t99_asimd_load1_1_mult): Delete. (thunderx2t99_asimd_load1_2_mult): Delete. (thunderx2t99_asimd_load1_ldp): New. (thunderx2t99_asimd_load1): New. (thunderx2t99_asimd_load2): Add missing *load2* types. (thunderx2t99_asimd_load3): New. (thunderx2t99_asimd_load4): New. (thunderx2t99_asimd_store1_1_mult): Delete. (thunderx2t99_asimd_store1_2_mult): Delete. (thunderx2t99_asimd_store2_mult): Delete. (thunderx2t99_asimd_store2_onelane): Delete. (thunderx2t99_asimd_store_stp): New. (thunderx2t99_asimd_store1): New. (thunderx2t99_asimd_store2): New. (thunderx2t99_asimd_store3): New. (thunderx2t99_asimd_store4): New. 2018-05-17 Jerome Lambourg * config/arm/arm_cmse.h (cmse_nsfptr_create, cmse_is_nsfptr): Remove #include . Replace intptr_t with __INTPTR_TYPE__. 2018-05-17 Pat Haugen Segher Boessenkool PR target/85698 * config/rs6000/rs6000.c (rs6000_output_move_128bit): Check dest operand. 2018-05-17 Richard Biener * tree-ssa-dse.c (dse_classify_store): Fix iterator increment for pruning loop and prune defs feeding only already visited PHIs. 2018-05-17 Richard Biener * tree-ssa-sccvn.c (vn_reference_lookup_3): Improve memset handling. 2018-05-17 Bin Cheng Richard Biener PR tree-optimization/85793 * tree-vect-stmts.c (vectorizable_load): Handle 1 element-wise load for VMAT_ELEMENTWISE. 2018-05-17 Richard Sandiford * internal-fn.h (lookup_internal_fn): Declare * internal-fn.c (lookup_internal_fn): New function. * gimple.c (gimple_build_call_from_tree): Handle calls to internal functions. * gimple-pretty-print.c (dump_gimple_call): Print "." before internal function names. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-scopedtables.c (expr_hash_elt::print): Likewise. 2018-05-17 Richard Sandiford * gimple-fold.h (gimple_build): Make the function forms take combined_fn rather than built_in_function. (gimple_simplify): Likewise. * gimple-match-head.c (gimple_simplify): Likewise. * gimple-fold.c (gimple_build): Likewise. * tree-vect-loop.c (get_initial_def_for_reduction): Use gimple_build rather than gimple_build_call_internal. (get_initial_defs_for_reduction): Likewise. (vect_create_epilog_for_reduction): Likewise. (vectorizable_live_operation): Likewise. 2018-05-17 Martin Liska * gimple-ssa-sprintf.c (format_directive): Do not use space in between 'G_' and '('. 2018-05-17 Jakub Jelinek PR target/85323 * config/i386/i386.c (ix86_fold_builtin): Handle masked shifts even if the mask is not all ones. PR target/85323 * config/i386/i386.c (ix86_fold_builtin): Fold shift builtins by vector. (ix86_gimple_fold_builtin): Likewise. PR target/85323 * config/i386/i386.c: Include tree-vector-builder.h. (ix86_vector_shift_count): New function. (ix86_fold_builtin): Fold shift builtins by scalar count. (ix86_gimple_fold_builtin): Likewise. * config/i386/avx512fintrin.h (_mm512_set_epi16, _mm512_set_epi8, _mm512_setzero): New intrinsics. 2018-05-17 James Greenhalgh Kyrylo Tkachov * config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify code generation for cases where splatting a value is not useful. * simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge across a vec_duplicate and a paradoxical subreg forming a vector mode to a vec_concat. 2018-05-17 Olga Makhotina * config.gcc: Support "goldmont-plus". * config/i386/driver-i386.c (host_detect_local_cpu): Detect "goldmont-plus". * config/i386/i386-c.c (ix86_target_macros_internal): Handle PROCESSOR_GOLDMONT_PLUS. * config/i386/i386.c (m_GOLDMONT_PLUS): Define. (processor_target_table): Add "goldmont-plus". (PTA_GOLDMONT_PLUS): Define. (ix86_lea_outperforms): Add TARGET_GOLDMONT_PLUS. (get_builtin_code_for_version): Handle PROCESSOR_GOLDMONT_PLUS. (fold_builtin_cpu): Add M_INTEL_GOLDMONT_PLUS. (fold_builtin_cpu): Add "goldmont-plus". (ix86_add_stmt_cost): Add TARGET_GOLDMONT_PLUS. (ix86_option_override_internal): Add "goldmont-plus". * config/i386/i386.h (processor_costs): Define TARGET_GOLDMONT_PLUS. (processor_type): Add PROCESSOR_GOLDMONT_PLUS. * config/i386/x86-tune.def: Add m_GOLDMONT_PLUS. * doc/invoke.texi: Add goldmont-plus as x86 -march=/-mtune= CPU type. 2018-05-17 Richard Biener PR tree-optimization/85757 * tree-ssa-dse.c (dse_classify_store): Record a PHI def and remove defs that only feed that PHI from further processing. 2018-05-16 Jim Wilson * config/riscv/riscv.md (si3_mask, si3_mask_1): Prepend asterisk to name. (di3_mask, di3_mask_1): Likewise. 2018-05-16 Mark Wielaard * dwarf2out.c (count_index_strings): New function. (output_indirect_strings): Call count_index_strings and generate header for dwarf_version >= 5. 2018-05-16 Mark Wielaard * dwarf2out.c (dwarf_FORM): New function. (set_indirect_string): Use dwarf_FORM. (reset_indirect_string): Likewise. (size_of_die): Likewise. (value_format): Likewise. (output_die): Likewise. (add_skeleton_AT_string): Likewise. (output_macinfo_op): Likewise. (index_string): Likewise. (output_index_string_offset): Likewise. (output_index_string): Likewise. (count_index_strings): Likewise. 2018-05-16 Carl Love * config/rs6000/rs6000.md (prefetch): Generate ISA 2.06 instructions dcbt and dcbtstt with TH=16 if operands[2] is 0 and Power 8 or newer. 2018-05-16 Martin Jambor * ipa-prop.c (ipa_free_all_edge_args): Remove. * ipa-prop.h (ipa_free_all_edge_args): Likewise. 2018-05-16 Wilco Dijkstra * config/aarch64/aarch64.md (fma4): Change into expand pattern. (fnma4): Likewise. (fms4): Likewise. (fnms4): Likewise. (aarch64_fma4): Rename insn, reorder accumulator operand. (aarch64_fnma4): Likewise. (aarch64_fms4): Likewise. (aarch64_fnms4): Likewise. (aarch64_fnmadd4): Likewise. 2018-05-16 Jason Merrill * tree.c (warn_deprecated_use): Return bool. Simplify logic. 2018-05-16 Richard Biener * tree-vectorizer.h (struct stmt_info_for_cost): Add where member. (dump_stmt_cost): Declare. (add_stmt_cost): Dump cost we add. (add_stmt_costs): New function. (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost): No longer exported. (vect_analyze_stmt): Adjust prototype. (vectorizable_condition): Likewise. (vectorizable_live_operation): Likewise. (vectorizable_reduction): Likewise. (vectorizable_induction): Likewise. * tree-vect-loop.c (vect_analyze_loop_operations): Create local cost vector to pass to vectorizable_ and record afterwards. (vect_model_reduction_cost): Take cost vector argument and adjust. (vect_model_induction_cost): Likewise. (vectorizable_reduction): Likewise. (vectorizable_induction): Likewise. (vectorizable_live_operation): Likewise. * tree-vect-slp.c (vect_create_new_slp_node): Initialize SLP_TREE_NUMBER_OF_VEC_STMTS. (vect_analyze_slp_cost_1): Remove. (vect_analyze_slp_cost): Likewise. (vect_slp_analyze_node_operations): Take visited args and a target cost vector. Avoid processing already visited stmt sets. (vect_slp_analyze_operations): Use a local cost vector to gather costs and register those of non-discarded instances. (vect_bb_vectorization_profitable_p): Use add_stmt_costs. (vect_schedule_slp_instance): Remove copying of SLP_TREE_NUMBER_OF_VEC_STMTS. Instead assert that it is not zero. * tree-vect-stmts.c (record_stmt_cost): Remove path directly adding cost. Record cost entry location. (vect_prologue_cost_for_slp_op): Function to compute cost of a constant or invariant generated for SLP vect in the prologue, split out from vect_analyze_slp_cost_1. (vect_model_simple_cost): Make static. Adjust for SLP costing. (vect_model_promotion_demotion_cost): Likewise. (vect_model_store_cost): Likewise, make static. (vect_model_load_cost): Likewise. (vectorizable_bswap): Add cost vector arg and adjust. (vectorizable_call): Likewise. (vectorizable_simd_clone_call): Likewise. (vectorizable_conversion): Likewise. (vectorizable_assignment): Likewise. (vectorizable_shift): Likewise. (vectorizable_operation): Likewise. (vectorizable_store): Likewise. (vectorizable_load): Likewise. (vectorizable_condition): Likewise. (vectorizable_comparison): Likewise. (can_vectorize_live_stmts): Likewise. (vect_analyze_stmt): Likewise. (vect_transform_stmt): Adjust calls to vectorizable_*. * tree-vectorizer.c: Include gimple-pretty-print.h. (dump_stmt_cost): New function. 2018-05-16 Richard Biener * params.def (PARAM_DSE_MAX_ALIAS_QUERIES_PER_STORE): New param. * doc/invoke.texi (dse-max-alias-queries-per-store): Document. * tree-ssa-dse.c: Include tree-ssa-loop.h. (check_name): New callback. (dse_classify_store): Track cycles via a visited bitmap of PHI defs and simplify handling of in-loop and across loop dead stores and properly fail for loop-variant refs. Handle byte-tracking with multiple defs. Use PARAM_DSE_MAX_ALIAS_QUERIES_PER_STORE for limiting the walk. 2018-05-16 Richard Sandiford * tree-vectorizer.h (vect_get_vector_types_for_stmt): Declare. (vect_get_mask_type_for_stmt): Likewise. * tree-vect-slp.c (vect_two_operations_perm_ok_p): New function, split out from... (vect_build_slp_tree_1): ...here. Use vect_get_vector_types_for_stmt to determine the statement's vector type and the vector type that should be used for calculating nunits. Deal with cases in which the type has to be deferred. (vect_slp_analyze_node_operations): Use vect_get_vector_types_for_stmt and vect_get_mask_type_for_stmt to calculate STMT_VINFO_VECTYPE. * tree-vect-loop.c (vect_determine_vf_for_stmt_1) (vect_determine_vf_for_stmt): New functions, split out from... (vect_determine_vectorization_factor): ...here. * tree-vect-stmts.c (vect_get_vector_types_for_stmt) (vect_get_mask_type_for_stmt): New functions, split out from vect_determine_vectorization_factor. 2018-05-16 Richard Biener * tree-cfg.c (verify_gimple_assign_ternary): Properly verify the [VEC_]COND_EXPR embedded comparison. 2018-05-15 Martin Sebor PR tree-optimization/85753 * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Handle RECORD_TYPE in addition to ARRAY_TYPE. 2018-05-15 Martin Sebor PR middle-end/85643 * calls.c (get_attr_nonstring_decl): Handle MEM_REF. 2018-05-15 Richard Biener * tree-ssa-dse.c (dse_classify_store): Remove use_stmt parameter, add by_clobber_p one. Change algorithm to collect all defs representing uses we need to walk and try reducing them to a single one before failing. (dse_dom_walker::dse_optimize_stmt): Adjust. 2018-05-13 Mark Wielaard * dwarf2out.c (dwarf_OP): Handle DW_OP_addrx and DW_OP_constx. (size_of_loc_descr): Likewise. (output_loc_operands): Likewise. (output_loc_operands_raw): Likewise. (dw_addr_op): Use dwarf_OP () for DW_OP_constx and DW_OP_addrx. (resolve_addr_in_expr): Handle DW_OP_addrx and DW_OP_constx. (hash_loc_operands): Likewise. (compare_loc_operands): Likewise. 2018-05-14 Mark Wielaard * dwarf2out.c (count_index_addrs): New function. (dwarf2out_finish): Use count_index_addrs to calculate addrs_length. 2018-05-15 Prathamesh Kulkarni PR tree-optimization/83648 * ipa-pure-const.c (malloc_candidate_p): Allow function with NULL return value as malloc candidate. 2018-05-15 Prathamesh Kulkarni PR ipa/85734 * ipa-pure-const.c (warn_function_malloc): Pass value of known_finite param as true in call to suggest_attribute. 2018-05-14 Segher Boessenkool * doc/invoke.texi (RS/6000 and PowerPC Options): Delete @itemx for -mreadonly-in-sdata. 2018-05-14 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (*aarch64_crypto_aese_fused): New pattern. (aarch64_crypto_aesd_fused): Likewise. 2018-05-14 Wilco Dijkstra * config/aarch64/aarch64.md (mov): Remove '*' in alternatives. (movsi_aarch64): Likewise. (load_pairsi): Likewise. (load_pairdi): Likewise. (store_pairsi): Likewise. (store_pairdi): Likewise. (load_pairsf): Likewise. (load_pairdf): Likewise. (store_pairsf): Likewise. (store_pairdf): Likewise. (zero_extend): Likewise. (trunc): Swap alternatives. (fcvt_target): Add '?' to prefer w over r. 2018-05-14 Jakub Jelinek PR target/85756 * config/i386/i386.md: Disallow non-commutative arithmetics in last twpeephole for mem {+,-,&,|,^}= x; mem != 0 after cmpelim optimization. Use COMMUTATIVE_ARITH_P test rather than != MINUS in the peephole2 before it. 2018-05-14 Sebastian Peryt * common/config/i386/i386-common.c (OPTION_MASK_ISA_CLDEMOTE_SET, OPTION_MASK_ISA_CLDEMOTE_UNSET): New defines. (ix86_handle_option): Handle -mcldemote. * config.gcc: New header. * config/i386/cldemoteintrin.h: New file. * config/i386/cpuid.h (bit_CLDEMOTE): New bit. * config/i386/driver-i386.c (host_detect_local_cpu): Detect -mcldemote. * config/i386/i386-c.c (ix86_target_macros_internal): Handle OPTION_MASK_ISA_CLDEMOTE. * config/i386/i386.c (ix86_target_string): Add -mcldemote. (ix86_valid_target_attribute_inner_p): Ditto. (enum ix86_builtins): Add IX86_BUILTIN_CLDEMOTE. (ix86_init_mmx_sse_builtins): Define __builtin_ia32_cldemote. (ix86_expand_builtin): Expand IX86_BUILTIN_CLDEMOTE. * config/i386/i386.h (TARGET_CLDEMOTE, TARGET_CLDEMOTE_P): New. * config/i386/i386.md (UNSPECV_CLDEMOTE): New. (cldemote): New. * config/i386/i386.opt: Add -mcldemote. * config/i386/x86intrin.h: New header. * doc/invoke.texi: Add -mcldemote. 2018-05-14 Richard Biener * doc/match-and-simplify.texi: Adjust :s documentation. 2018-05-14 Alexander Monakov * sort.cc (REORDER_23): Pass the type for the temporaries instead of intended memcpy size. (REORDER_45): Likewise. 2018-05-13 Alexander Monakov * sort.cc: New file. * system.h [!CHECKING_P] (qsort): Redirect to gcc_qsort. * vec.c (qsort_chk): Use gcc_qsort. * Makefile.in (OBJS-libcommon): Add sort.o. (build/sort.o): New target. Use it... (BUILD_RTL): ... here, and... (build/gencfn-macros): ... here, and... (build/genmatch): ... here. 2018-05-13 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that n15 is valid to --with-cpu. * config/nds32/nds32-graywolf.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_GRAYWOLF. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n15 pipeline. * config/nds32/nds32-protos.h: More declarations for n15 pipeline. * config/nds32/nds32-utils.c: More implementations for n15 pipeline. * config/nds32/nds32.md (pipeline_model): Add graywolf. * config/nds32/nds32.opt (mcpu): Support n15 pipeline cpus. * config/nds32/pipelines.md: Include n15 settings. 2018-05-13 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that n12/n13 are valid to --with-cpu. * config/nds32/nds32-n13.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N12 and CPU_N13. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n12/n13 pipeline. * config/nds32/nds32-protos.h: More declarations for n12/n13 pipeline. * config/nds32/nds32.md (pipeline_model): Add n13. * config/nds32/nds32.opt (mcpu): Support n12/n13 pipeline cpus. * config/nds32/pipelines.md: Include n13 settings. 2018-05-13 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that n10/d10 are valid to --with-cpu. * config/nds32/nds32-n10.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N10. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n10 pipeline. * config/nds32/nds32-protos.h: More declarations for n10 pipeline. * config/nds32/nds32-utils.c: More implementations for n10 pipeline. * config/nds32/nds32.md (pipeline_model): Add n10. * config/nds32/nds32.opt (mcpu): Support n10 pipeline cpus. * config/nds32/pipelines.md: Include n10 settings. 2018-05-13 Monk Chiang Kito Cheng Chung-Ju Wu * config.gcc (nds32be-*-*): Handle --with-ext-dsp. * config/nds32/constants.md (unspec_element, unspec_volatile_element): Add enum values for DSP extension instructions. * config/nds32/constraints.md (Iu06, IU06, CVp5, CVs5, CVs2, CVhi): New constraints. * config/nds32/iterators.md (shifts, shiftrt, sat_plus, all_plus, sat_minus, all_minus, plus_minus, extend, sumax, sumin, sumin_max): New code iterators. (su, zs, uk, opcode, add_rsub, add_sub): New code attributes. * config/nds32/nds32-dspext.md: New file for DSP implementation. * config/nds32/nds32-intrinsic.c: Implementation of DSP extension. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32-md-auxiliary.c: Likewise. * config/nds32/nds32-memory-manipulation.c: Consider DSP extension. * config/nds32/nds32-predicates.c (const_vector_to_hwint): New. (nds32_valid_CVp5_p, nds32_valid_CVs5_p): New. (nds32_valid_CVs2_p, nds32_valid_CVhi_p): New. * config/nds32/nds32-protos.h: New declarations for DSP extension. * config/nds32/nds32-utils.c (extract_mac_non_acc_rtx): New case TYPE_DMAC in switch statement. * config/nds32/nds32.c: New checking and implementation for DSP extension instructions. * config/nds32/nds32.h: Likewise. * config/nds32/nds32.md: Likewise. * config/nds32/nds32.opt (mhw-abs, mext-dsp): New options. * config/nds32/predicates.md: Implement new predicates for DSP extension. 2018-05-11 Michael Meissner * config/rs6000/rs6000.md (mov_softfloat, FMOVE32): Reformat alternatives and attributes so it is easier to identify which constraints/attributes go with which instruction. (mov_hardfloat32, FMOVE64): Likewise. (mov_softfloat32, FMOVE64): Likewise. (mov_hardfloat64, FMOVE64): Likewise. (mov_softfloat64, FMOVE64): Likewise. 2018-05-11 Kelvin Nilsen * doc/extend.texi (PowerPC Built-in Functions): Rename this subsection. (Basic PowerPC Built-in Functions): The new name of the subsection previously known as "PowerPC Built-in Functions". (Basic PowerPC Built-in Functions Available on all Configurations): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 2.05): Likewise. (Basic PowerPC Built-in Functions Available on ISA 2.06): Likewise. (Basic PowerPC Built-in Functions Available on ISA 2.07): Likewise. (Basic PowerPC Built-in Functions Available on ISA 3.0): Likewise. 2018-05-11 Martin Jambor PR ipa/85655 * ipa-cp.c (intersect_with_plats): Check that the lattice contains single const. 2018-05-11 Richard Earnshaw PR target/85733 * config/arm/arm-cpus.in (fgroup ARMv6m): Add be8 feature. 2018-05-11 Sebastian Peryt * common/config/i386/i386-common.c (OPTION_MASK_ISA_WAITPKG_SET, OPTION_MASK_ISA_WAITPKG_UNSET): New defines. (ix86_handle_option): Handle -mwaitpkg. * config.gcc: New header. * config/i386/cpuid.h (bit_WAITPKG): New bit. * config/i386/driver-i386.c (host_detect_local_cpu): Detect -mwaitpkg. * config/i386/i386-builtin-types.def ((UINT8, UNSIGNED, UINT64)): New function type. * config/i386/i386-c.c (ix86_target_macros_internal): Handle OPTION_MASK_ISA_WAITPKG. * config/i386/i386.c (ix86_target_string): Add -mwaitpkg. (ix86_option_override_internal): Add PTA_WAITPKG. (ix86_valid_target_attribute_inner_p): Add -mwaitpkg. (enum ix86_builtins): Add IX86_BUILTIN_UMONITOR, IX86_BUILTIN_UMWAIT, IX86_BUILTIN_TPAUSE. (ix86_init_mmx_sse_builtins): Define __builtin_ia32_umonitor, __builtin_ia32_umwait and __builtin_ia32_tpause. (ix86_expand_builtin): Expand IX86_BUILTIN_UMONITOR, IX86_BUILTIN_UMWAIT, IX86_BUILTIN_TPAUSE. * config/i386/i386.h (TARGET_WAITPKG, TARGET_WAITPKG_P): New. * config/i386/i386.md (UNSPECV_UMWAIT, UNSPECV_UMONITOR, UNSPECV_TPAUSE): New. (umwait, umwait_rex64, umonitor_, tpause, tpause_rex64): New. * config/i386/i386.opt: Add -mwaitpkg. * config/i386/waitpkgintrin.h: New file. * config/i386/x86intrin.h: New header. * doc/invoke.texi: Add -mwaitpkg. 2018-05-11 Richard Earnshaw PR target/85606 * config/arm/arm-cpus.in: Add comment that ARMv6-m and ARMv6S-m are now equivalent. (cortex-m0): Use armv6s-m isa. (cortex-m0plus): Likewise. (cortex-m1): Likewise. (cortex-m0.small-multiply): Likewise. (cortex-m0plus.small-multiply): Likewise. (cortex-m1.small-multiply): Likewise. 2018-05-11 Allan Sandfeld Jensen Jakub Jelinek PR tree-optimization/85692 * tree-ssa-forwprop.c (simplify_vector_constructor): Try two source permute as well. 2018-05-11 Martin Liska PR sanitizer/85556 * doc/extend.texi: Document LLVM style format for no_sanitize attribute. 2018-05-10 Michael Meissner * config/rs6000/rs6000.c (mode_supports_dq_form): Rename mode_supports_vsx_dform_quad to mode_supports_dq_form. (mode_supports_vsx_dform_quad): Likewise. (mode_supports_vmx_dform): Move these functions to be next to the other mode_supports functions. (mode_supports_dq_form): Likewise. (quad_address_p): Change calls of mode_supports_vsx_dform_quad to mode_supports_dq_form. (reg_offset_addressing_ok_p): Likewise. (offsettable_ok_by_alignment): Likewise. (rs6000_legitimate_offset_address_p): Likewise. (legitimate_lo_sum_address_p): Likewise. (rs6000_legitimize_address): Likewise. (rs6000_legitimize_reload_address): Likewise. (rs6000_secondary_reload_inner): Likewise. (rs6000_preferred_reload_class): Likewise. (rs6000_output_move_128bit): Likewise. 2018-05-10 Uros Bizjak * config/i386/i386.c (ix86_expand_builtin) : Generate SImode target register for null target. : Ditto. : Optimize LSHIFTRT generation. * config/i386/xsaveintrin.h (_xgetbv): Add missing return. 2018-05-10 Carl Love * config/rs6000/rs6000.md (prefetch): Generate ISA 2.06 instructions dcbtt and dcbtstt if operands[2] is 0. 2018-05-10 Uros Bizjak PR target/85693 * config/i386/sse.md (usadv64qi): New expander. 2018-05-10 Segher Boessenkool * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw): Remove -maltivec=be support. (vec_widen_umult_even_v16qi, vec_widen_smult_even_v16qi, vec_widen_umult_even_v8hi, vec_widen_smult_even_v8hi, vec_widen_umult_even_v4si, vec_widen_smult_even_v4si, vec_widen_umult_odd_v16qi, vec_widen_smult_odd_v16qi, vec_widen_umult_odd_v8hi, vec_widen_smult_odd_v8hi, vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si, altivec_vpkpx, altivec_vpksss, altivec_vpksus, altivec_vpkuus, altivec_vpkuum, altivec_vsum2sws, altivec_vsumsws): Adjust. (altivec_vspltb *altivec_vspltb_internal, altivec_vsplth, *altivec_vsplth_internal, altivec_vspltw, *altivec_vspltw_internal, altivec_vspltsf, *altivec_vspltsf_internal): Remove -maltivec=be support. (altivec_vperm_, altivec_vperm__uns, altivec_vupkhs, altivec_vupkls, altivec_vupkhpx, altivec_vupklpx, altivec_lvsl, altivec_lvsr): Adjust. (altivec_lvex): Delete expand. (*altivec_lvex_internal): Rename to... (altivec_lvex): ... this. (altivec_lvxl_): Delete expand. (*altivec_lvxl__internal): Rename to ... (altivec_lvxl_): ... this. (altivec_stvxl_): Delete expand. (*altivec_stvxl__internal): Rename to ... (altivec_stvxl_): ... this. (altivec_stvex): Delete expand. (*altivec_stvex_internal): Rename to ... (altivec_stvex): ... this. (doublee2, unsdoubleev4si2, doubleo2, unsdoubleov4si2, doubleh2, unsdoublehv4si2, doublel2, unsdoublelv4si2, reduc_plus_scal_): Adjust. * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust comment. (rs6000_cpu_cpp_builtins): Adjust. (altivec_resolve_overloaded_builtin): Remove -maltivec=be support. * config/rs6000/rs6000-protos.h (altivec_expand_lvx_be, altivec_expand_stvx_be, altivec_expand_stvex_be): Delete. * config/rs6000/rs6000.c (rs6000_option_override_internal): Remove -maltivec=be support. (rs6000_split_vec_extract_var): Adjust. (rs6000_split_v4si_init): Adjust. (swap_selector_for_mode): Delete. (altivec_expand_lvx_be, altivec_expand_stvx_be, altivec_expand_stvex_be): Delete. (altivec_expand_lv_builtin, altivec_expand_stv_builtin): Remove -maltivec=be support. (rs6000_gimple_fold_builtin): Ditto. (rs6000_generate_float2_double_code, rs6000_generate_float2_code): Adjust. * config/rs6000/rs6000.h (VECTOR_ELT_ORDER_BIG): Delete. (TARGET_DIRECT_MOVE_64BIT): Adjust. * config/rs6000/rs6000.md (split for extendsidi2 for vectors): Adjust. * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Delete. * config/rs6000/vsx.md (floate, unsfloatev2di, floato, unsfloatov2di, vsignedo_v2df, vsignede_v2df, vunsignedo_v2df, vunsignede_v2df, vsx_extract__p9, *vsx_extract_si, *vsx_extract__p8, *vsx_extract_si_float_df, *vsx_extract_si_float_, vsx_set__p9, vsx_set_v4sf_p9, *vsx_insert_extract_v4sf_p9, *vsx_insert_extract_v4sf_p9_2, and an anonymous split): Adjust. (vsx_mergel_, vsx_mergeh_): Remove -maltivec=be support. (vsx_xxspltd_, extract4b, insert4b): Adjust. 2018-05-10 Eric Botcazou * configure.ac (gcc_gxx_include_dir_add_sysroot): Set it to 1 only when --with-gxx-include-dir is also specified. * configure: Regenerate. 2018-05-09 Jim Wilson PR target/84797 * config.gcc (riscv*-*-*): Handle --with-multilib-list. * config/riscv/t-withmultilib: New. * config/riscv/withmultilib.h: New. * doc/install.texi: Document RISC-V --with-multilib-list support. 2018-05-09 Richard Biener * tree-vect-slp.c (vect_bb_slp_scalar_cost): Fill a cost vector. (vect_bb_vectorization_profitable_p): Adjust. Compute actual scalar cost using the cost vector and the add_stmt_cost machinery. 2018-05-09 Segher Boessenkool PR rtl-optimization/85645 * config/rs6000/rs6000.c (rs6000_emit_prologue_components): Put a SET in the REG_CFA_REGISTER note for LR, don't leave it empty. 2018-05-09 Segher Boessenkool PR rtl-optimization/85645 * shrink-wrap.c (spread_components): Return a boolean saying if anything was changed. (try_shrink_wrapping_separate): Iterate spread_components until nothing changes anymore. 2018-05-09 Segher Boessenkool PR rtl-optimization/85645 * regrename.c (build_def_use): Also kill the chains that include the destination of a REG_CFA_REGISTER note. 2018-05-09 Segher Boessenkool PR rtl-optimization/85645 * regcprop.c (copyprop_hardreg_forward_1): Don't propagate into an insn that has a REG_CFA_REGISTER note. 2018-05-09 Richard Sandiford * cfgexpand.c (expand_clobber): New function. (expand_gimple_stmt_1): Use it. * tree-vect-stmts.c (vect_clobber_variable): New function, split out from... (vectorizable_simd_clone_call): ...here. (vectorizable_store): Emit a clobber either side of an IFN_STORE_LANES sequence. (vectorizable_load): Emit a clobber after an IFN_LOAD_LANES sequence. 2018-05-09 Tom de Vries PR target/85626 * config/nvptx/nvptx.md (define_insn "trap", define_insn "trap_if_true") (define_insn "trap_if_false"): Add exit after trap. 2018-05-09 Eric Botcazou PR rtl-optimization/85638 * bb-reorder.c: Include common/common-target.h. (create_forwarder_block): New function extracted from... (fix_up_crossing_landing_pad): ...here. Rename into... (dw2_fix_up_crossing_landing_pad): ...this. (sjlj_fix_up_crossing_landing_pad): New function. (find_rarely_executed_basic_blocks_and_crossing_edges): In SJLJ mode, call sjlj_fix_up_crossing_landing_pad if there are incoming EH edges from both partitions and exit the loop after one iteration. 2018-05-08 Kelvin Nilsen Revert: * doc/extend.texi (PowerPC Built-in Functions): Rename this subsection. (Basic PowerPC Built-in Functions): The new name of the subsection previously known as "PowerPC Built-in Functions". (Basic PowerPC Built-in Functions Available on all Configurations): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 2.05): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 2.06): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 2.07): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 3.0): New subsubsection. 2018-05-08 Jim Wilson * config/riscv/linux.h (MUSL_ABI_SUFFIX): Delete unnecessary backslash. (LD_EMUL_SUFFIX): New. (LINK_SPEC): Use it. 2018-05-08 Kelvin Nilsen * doc/extend.texi (PowerPC Built-in Functions): Rename this subsection. (Basic PowerPC Built-in Functions): The new name of the subsection previously known as "PowerPC Built-in Functions". (Basic PowerPC Built-in Functions Available on all Configurations): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 2.05): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 2.06): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 2.07): New subsubsection. (Basic PowerPC Built-in Functions Available on ISA 3.0): New subsubsection. 2018-05-08 Jakub Jelinek PR target/85683 * config/i386/i386.md: Add peepholes for mem {+,-,&,|,^}= x; mem != 0 after cmpelim optimization. 2018-05-08 Olga Makhotina * config.gcc: Support "goldmont". * config/i386/driver-i386.c (host_detect_local_cpu): Detect "goldmont". * config/i386/i386-c.c (ix86_target_macros_internal): Handle PROCESSOR_GOLDMONT. * config/i386/i386.c (m_GOLDMONT): Define. (processor_target_table): Add "goldmont". (PTA_GOLDMONT): Define. (ix86_lea_outperforms): Add TARGET_GOLDMONT. (get_builtin_code_for_version): Handle PROCESSOR_GOLDMONT. (fold_builtin_cpu): Add M_INTEL_GOLDMONT. (fold_builtin_cpu): Add "goldmont". (ix86_add_stmt_cost): Add TARGET_GOLDMONT. (ix86_option_override_internal): Add "goldmont". * config/i386/i386.h (processor_costs): Define TARGET_GOLDMONT. (processor_type): Add PROCESSOR_GOLDMONT. * config/i386/i386.md: Add CPU "glm". * config/i386/glm.md: New file. * config/i386/x86-tune.def: Add m_GOLDMONT. * doc/invoke.texi: Add goldmont as x86 -march=/-mtune= CPU type. 2018-05-08 Jakub Jelinek PR target/85572 * config/i386/i386.c (ix86_expand_sse2_abs): Handle E_V2DImode and E_V4DImode. * config/i386/sse.md (abs2): Use VI_AVX2 iterator instead of VI1248_AVX512VL_AVX512BW. Handle V2DImode and V4DImode if not TARGET_AVX512VL using ix86_expand_sse2_abs. Formatting fixes. PR target/85317 * config/i386/i386.c (ix86_fold_builtin): Handle IX86_BUILTIN_{,P}MOVMSK{PS,PD,B}{,128,256}. PR target/85480 * config/i386/sse.md (ssequaterinsnmode): New mode attribute. (*_vinsert_0): New pattern. 2018-05-08 Richard Earnshaw PR target/85658 * config/arm/parsecpu.awk (check_cpu): Fix operator precedence. (check_arch): Likewise. (check_fpu): Return the result rather than printing it. (end arch): Fix operator precedence. (end cpu): Likewise. (END): Print the result from check_fpu. 2018-05-08 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-sve.md (*pred_cmp_combine) (*pred_cmp, *fcm_and_combine) (*fcmuo_and_combine, *fcm_and) (*fcmuo_and): New patterns. 2018-05-08 Richard Sandiford * config/aarch64/iterators.md (UNSPEC_COND_LO, UNSPEC_COND_LS) (UNSPEC_COND_HI, UNSPEC_COND_HS, UNSPEC_COND_UO): Delete. (SVE_INT_CMP, SVE_FP_CMP): New code iterators. (cmp_op, sve_imm_con): New code attributes. (SVE_COND_INT_CMP, imm_con): Delete. (cmp_op): Remove above unspecs from int attribute. * config/aarch64/aarch64-sve.md (*vec_cmp_): Rename to... (*cmp): ...this. Use UNSPEC_MERGE_PTRUE instead of comparison-specific unspecs. (*vec_cmp__ptest): Rename to... (*cmp_ptest): ...this and adjust likewise. (*vec_cmp__cc): Rename to... (*cmp_cc): ...this and adjust likewise. (*vec_fcm): Rename to... (*fcm): ...this and adjust likewise. (*vec_fcmuo): Rename to... (*fcmuo): ...this and adjust likewise. (*pred_fcm): New pattern. * config/aarch64/aarch64.c (aarch64_emit_unop, aarch64_emit_binop) (aarch64_emit_sve_ptrue_op, aarch64_emit_sve_ptrue_op_cc): New functions. (aarch64_unspec_cond_code): Remove handling of LTU, GTU, LEU, GEU and UNORDERED. (aarch64_gen_unspec_cond, aarch64_emit_unspec_cond): Delete. (aarch64_emit_sve_predicated_cond): New function. (aarch64_expand_sve_vec_cmp_int): Use aarch64_emit_sve_ptrue_op_cc. (aarch64_emit_unspec_cond_or): Replace with... (aarch64_emit_sve_or_conds): ...this new function. Use aarch64_emit_sve_ptrue_op for the individual comparisons and aarch64_emit_binop to OR them together. (aarch64_emit_inverted_unspec_cond): Replace with... (aarch64_emit_sve_inverted_cond): ...this new function. Use aarch64_emit_sve_ptrue_op for the comparison and aarch64_emit_unop to invert the result. (aarch64_expand_sve_vec_cmp_float): Update after the above changes. Use aarch64_emit_sve_ptrue_op for native comparisons. 2018-05-07 Nathan Sidwell * doc/invoke.texi (C++ Dialect Options): Remove -ffor-scope. * doc/extend.texi (Deprecated Features): Remove -fno-for-scope (Backwards Compatibility): Likewise. 2018-05-07 Luis Machado PR bootstrap/85681 Revert: 2018-05-07 Luis Machado * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) : New const bool field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include prefetch_dynamic_strides. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune): Likewise. Set prefetch_dynamic_strides to false. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_DYNAMIC_STRIDES. * doc/invoke.texi (prefetch-dynamic-strides): Document new option. * params.def (PARAM_PREFETCH_DYNAMIC_STRIDES): New. * params.h (PARAM_PREFETCH_DYNAMIC_STRIDES): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Account for prefetch-dynamic-strides setting. 2018-05-07 Luis Machado * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) : New const int field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include minimum_stride field. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune): Likewise. Set minimum_stride to 2048. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_MINIMUM_STRIDE. * doc/invoke.texi (prefetch-minimum-stride): Document new option. * params.def (PARAM_PREFETCH_MINIMUM_STRIDE): New. * params.h (PARAM_PREFETCH_MINIMUM_STRIDE): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Return false if stride is constant and is below the minimum stride threshold. 2018-05-07 Luis Machado * config/aarch64/aarch64.c (qdf24xx_prefetch_tune) : Set to 512. 2018-05-07 Luis Machado * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) : New const bool field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include prefetch_dynamic_strides. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune): Likewise. Set prefetch_dynamic_strides to false. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_DYNAMIC_STRIDES. * doc/invoke.texi (prefetch-dynamic-strides): Document new option. * params.def (PARAM_PREFETCH_DYNAMIC_STRIDES): New. * params.h (PARAM_PREFETCH_DYNAMIC_STRIDES): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Account for prefetch-dynamic-strides setting. 2018-05-07 Luis Machado * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) : New const int field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include minimum_stride field. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune): Likewise. Set minimum_stride to 2048. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_MINIMUM_STRIDE. * doc/invoke.texi (prefetch-minimum-stride): Document new option. * params.def (PARAM_PREFETCH_MINIMUM_STRIDE): New. * params.h (PARAM_PREFETCH_MINIMUM_STRIDE): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Return false if stride is constant and is below the minimum stride threshold. 2018-05-06 Jakub Jelinek PR c++/85659 * cfgexpand.c (expand_asm_stmt): Don't create a temporary if the type is addressable. Don't force op into register if it has BLKmode. 2018-05-05 Roland McGrath PR other/77609 * varasm.c (default_section_type_flags): Set SECTION_NOTYPE for any section for which we don't know a specific type it should have, regardless of name. Previously this was done only for the exact names ".init_array", ".fini_array", and ".preinit_array". (default_elf_asm_named_section): Add comment about relationship with default_section_type_flags and SECTION_NOTYPE. (get_section): Don't consider it a type conflict if one side has SECTION_NOTYPE and the other doesn't, as long as neither has the SECTION_BSS et al used in the default_section_type_flags logic. 2018-05-05 Tom de Vries PR target/85653 * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG_3): Define. (workaround_barsyncs): New function. (nvptx_reorg): Use workaround_barsyncs. * config/nvptx/nvptx.md (define_c_enum "unspecv"): Add UNSPECV_MEMBAR. (define_expand "nvptx_membar_cta"): New define_expand. (define_insn "*nvptx_membar_cta"): New insn. 2018-05-04 Pekka Jääskeläinen * brig-builtins.def: Add consts to ptrs etc. in BRIG builtin defs. To improve optimization opportunities. * builtin-types.def: The new needed builtin types for the above. 2018-05-04 Richard Biener * bb-reorder.c (sanitize_hot_paths): Release hot_bbs_to_check. * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Remove redundant create, release split_store vector contents on failure. * tree-vect-slp.c (vect_schedule_slp_instance): Avoid leaking scalar stmt vector on cache hit. 2018-05-04 Segher Boessenkool * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Remove Xilinx FP support. * config.gcc (powerpc-xilinx-eabi*): Remove. * config/rs6000/predicates.md (easy_fp_constant): Remove Xilinx FP support. (fusion_addis_mem_combo_load): Ditto. * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove Xilinx FP support. (rs6000_cpu_cpp_builtins): Ditto. * config/rs6000/rs6000-linux.c (rs6000_linux_float_exceptions_rounding_supported_p): Ditto. * config/rs6000/rs6000-opts.h (enum fpu_type_t): Delete. * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove Xilinx FP support. (rs6000_setup_reg_addr_masks): Ditto. (rs6000_init_hard_regno_mode_ok): Ditto. (rs6000_option_override_internal): Ditto. (legitimate_lo_sum_address_p): Ditto. (rs6000_legitimize_address): Ditto. (rs6000_legitimize_reload_address): Ditto. (rs6000_legitimate_address_p): Ditto. (abi_v4_pass_in_fpr): Ditto. (setup_incoming_varargs): Ditto. (rs6000_gimplify_va_arg): Ditto. (rs6000_split_multireg_move): Ditto. (rs6000_savres_strategy): Ditto. (rs6000_emit_prologue_components): Ditto. (rs6000_emit_epilogue_components): Ditto. (rs6000_emit_prologue): Ditto. (rs6000_emit_epilogue): Ditto. (rs6000_elf_file_end): Ditto. (rs6000_function_value): Ditto. (rs6000_libcall_value): Ditto. * config/rs6000/rs6000.h: Ditto. (TARGET_MINMAX_SF, TARGET_MINMAX_DF): Delete, merge to ... (TARGET_MINMAX): ... this. New. (TARGET_SF_FPR, TARGET_DF_FPR, TARGET_SF_INSN, TARGET_DF_INSN): Delete. * config/rs6000/rs6000.md: Remove Xilinx FP support. (*movsi_internal1_single): Delete. * config/rs6000/rs6000.opt (msingle-float, mdouble-float, msimple-fpu, mfpu=, mxilinx-fpu): Delete. * config/rs6000/singlefp.h: Delete. * config/rs6000/sysv4.h: Remove Xilinx FP support. * config/rs6000/t-rs6000: Ditto. * config/rs6000/t-xilinx: Delete. * config/rs6000/titan.md: Adjust for fp_type removal. * config/rs6000/vsx.md: Remove Xilinx FP support. (VStype_simple): Delete. (VSfptype_simple, VSfptype_mul, VSfptype_div, VSfptype_sqrt): Delete. * config/rs6000/xfpu.h: Delete. * config/rs6000/xfpu.md: Delete. * config/rs6000/xilinx.h: Delete. * config/rs6000/xilinx.opt: Delete. * doc/invoke.texi (RS/6000 and PowerPC Options): Remove -msingle-float, -mdouble-float, -msimple-fpu, -mfpu=, and -mxilinx-fpu. 2018-05-04 Tom de Vries PR libgomp/85639 * builtins.c (expand_builtin_goacc_parlevel_id_size): Handle null target if ignore == 0. 2018-05-04 Richard Biener PR middle-end/85627 * tree-complex.c (update_complex_assignment): We are always in SSA form. (expand_complex_div_wide): Likewise. (expand_complex_operations_1): Likewise. (expand_complex_libcall): Preserve EH info of the original stmt. (tree_lower_complex): Handle removed blocks. * tree.c (build_common_builtin_nodes): Do not set ECF_NOTRHOW on complex multiplication and division libcall builtins. 2018-05-04 Richard Biener PR middle-end/85574 * fold-const.c (negate_expr_p): Restrict negation of operand zero of a division to when we know that can happen without overflow. (fold_negate_expr_1): Likewise. 2018-05-04 Jakub Jelinek PR libstdc++/85466 * real.h (real_nextafter): Declare. * real.c (real_nextafter): New function. * fold-const-call.c (fold_const_nextafter): New function. (fold_const_call_sss): Call it for CASE_CFN_NEXTAFTER and CASE_CFN_NEXTTOWARD. (fold_const_call_1): For CASE_CFN_NEXTTOWARD call fold_const_call_sss even when arg1_mode is different from arg0_mode. 2018-05-03 Nathan Sidwell * doc/extend.texi (Deprecated Features): Remove -ffriend-injection. (Backwards Compatibility): Likewise. * doc/invoke.texi (C++ Language Options): Likewise. (C++ Dialect Options): Likewise. 2018-05-03 Jakub Jelinek PR target/85530 * config/i386/avx512fintrin.h (_mm512_mullox_epi64, _mm512_mask_mullox_epi64): New intrinsics. 2018-05-03 Tom de Vries PR testsuite/85106 * doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization dump files): Add offload-tree. 2018-05-03 Richard Biener PR tree-optimization/85615 * tree-ssa-threadupdate.c (thread_block_1): Only allow exits to loops not nested in BBs loop father to avoid creating multi-entry loops. 2018-05-03 Kyrylo Tkachov PR tree-optimization/70291 * tree-complex.c (expand_complex_libcall): Add type, inplace_p arguments. Change return type to tree. Emit libcall as a new statement rather than replacing existing one when inplace_p is true. (expand_complex_multiplication_components): New function. (expand_complex_multiplication): Expand floating-point complex multiplication using the above. (expand_complex_division): Rename inner_type parameter to type. Update expand_complex_libcall call-site. (expand_complex_operations_1): Update expand_complex_multiplication and expand_complex_division call-sites. 2018-05-02 Jakub Jelinek PR target/85582 * config/i386/i386.md (*ashl3_doubleword_mask, *ashl3_doubleword_mask_1, *3_doubleword_mask, *3_doubleword_mask_1): In condition require that the highest significant bit of the shift count mask is clear. In check whether and[sq]i3 is needed verify that all significant bits of the shift count other than the highest are set. 2018-05-02 Tom de Vries PR libgomp/82428 * builtins.def (DEF_GOACC_BUILTIN_ONLY): Define. * omp-builtins.def (BUILT_IN_GOACC_PARLEVEL_ID) (BUILT_IN_GOACC_PARLEVEL_SIZE): New builtin. * builtins.c (expand_builtin_goacc_parlevel_id_size): New function. (expand_builtin): Call expand_builtin_goacc_parlevel_id_size. * doc/extend.texi (Other Builtins): Add __builtin_goacc_parlevel_id and __builtin_goacc_parlevel_size. 2018-05-02 Richard Biener PR tree-optimization/85597 * tree-vect-stmts.c (vectorizable_operation): For ternary SLP do not use split vect_get_vec_defs call but call vect_get_slp_defs directly. 2018-05-02 Tom de Vries PR testsuite/85106 * doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization dump files): Add ltrans-tree. 2018-05-02 Tom de Vries PR testsuite/85106 * doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization dump files): Add wpa-ipa. 2018-05-02 Segher Boessenkool * config.gcc (powerpc*-*-*): Remove paired.h. Unsupport the powerpc*-*-linux*paired* target. * config/rs6000/750cl.h: Delete. * config/rs6000/paired.h: Delete. * config/rs6000/paired.md: Delete. * config/rs6000/predicates.md (easy_vector_constant): Remove paired float support. * config/rs6000/rs6000-builtin.def: Remove paired float support. * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update comment. Remove paired float support. * config/rs6000/rs6000-modes.def: Remove V2SF and V2SI. * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_PAIRED. * config/rs6000/rs6000-protos.h (paired_expand_vector_init, paired_emit_vector_cond_expr, paired_expand_vector_move): Delete declarations. * config/rs6000/rs6000.c: Remove paired float support. (paired_expand_vector_init, paired_expand_vector_move, paired_emit_vector_compare, paired_emit_vector_cond_expr, (paired_expand_lv_builtin, paired_expand_stv_builtin, paired_expand_builtin, paired_expand_predicate_builtin, paired_init_builtins): Delete. * config/rs6000/rs6000.h: Remove paired float support. * config/rs6000/rs6000.md: Remove paired float support. (move_from_CR_ov_bit): Delete. * config/rs6000/rs6000.opt (mpaired): Delete. * config/rs6000/t-rs6000: Remove paired.md from MD_INCLUDES. * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mpaired. 2018-05-02 Richard Biener PR middle-end/85567 * gimplify.c (gimplify_save_expr): When in SSA form allow SAVE_EXPRs to compute to SSA vars. 2018-05-02 Jakub Jelinek PR target/85582 * config/i386/i386.md (*ashl3_doubleword_mask, *ashl3_doubleword_mask_1, *3_doubleword_mask, *3_doubleword_mask_1): If and[sq]i3 is needed, don't clobber operands[2], instead use a new pseudo. Formatting fixes. 2018-05-02 Richard Sandiford PR tree-optimization/85586 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Only exit early for statements in the same group if the accesses are not strided. 2018-05-02 Tom de Vries PR lto/85451 * lto-wrapper.c (compile_offload_image): Add "could not find mkoffload" error message. 2018-05-01 Marc Glisse PR tree-optimization/85143 * match.pd (A PR lto/85451 * config/nvptx/mkoffload.c (main): Suggest using -B in "offload compiler not found" error message. 2018-05-01 Tom de Vries PR other/83786 * vec.h (VEC_ORDERED_REMOVE_IF, VEC_ORDERED_REMOVE_IF_FROM_TO): Define. * vec.c (test_ordered_remove_if): New function. (vec_c_tests): Call test_ordered_remove_if. * dwarf2cfi.c (connect_traces): Use VEC_ORDERED_REMOVE_IF_FROM_TO. * lto-streamer-out.c (prune_offload_funcs): Use VEC_ORDERED_REMOVE_IF. * tree-vect-patterns.c (vect_pattern_recog_1): Use VEC_ORDERED_REMOVE_IF. 2018-05-01 Prathamesh Kulkarni PR tree-optimization/82665 * vr-values.c (vr_values::extract_range_from_binary_expr): Handle pointer subtraction where arguments come from a memchr call. 2018-05-01 Jakub Jelinek * configure.ac (LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION): Use --push-state --as-needed and --pop-state instead of --as-needed and --no-as-needed if ld supports it. * configure: Regenerated. PR web/85578 * doc/install.texi2html: Replace _002d with - and _002a with * in generated html files using sed. 2018-04-30 David Malcolm PR c++/85523 * gcc-rich-location.c (blank_line_before_p): New function. (use_new_line): New function. (gcc_rich_location::add_fixit_insert_formatted): New function. * gcc-rich-location.h (gcc_rich_location::add_fixit_insert_formatted): New function. 2018-04-30 David Malcolm * selftest.c (assert_streq): Rename "expected" and "actual" to "val1" and "val2". Extend NULL-handling to cover both inputs symmetrically, while still requiring both to be non-NULL for a pass. * selftest.h (assert_streq): Rename "expected" and "actual" to "val1" and "val2". (ASSERT_EQ): Likewise. (ASSERT_EQ_AT): Likewise. (ASSERT_KNOWN_EQ): Likewise. (ASSERT_KNOWN_EQ_AT): Likewise. (ASSERT_NE): Likewise. (ASSERT_MAYBE_NE): Likewise. (ASSERT_MAYBE_NE_AT): Likewise. (ASSERT_STREQ): Likewise. Clarify that both must be non-NULL for the assertion to pass. (ASSERT_STREQ_AT): Likewise. 2018-04-30 Jonathan Wakely * doc/invoke.texi (-fpie, -fPIE): Fix grammar and clarify interaction with -pie. 2018-04-30 David Malcolm * selftest.h: Fix alphabetization of per-source-file selftest declarations. 2018-04-30 Jason Merrill PR c++/61982 - dead stores to destroyed objects. * gimplify.c (gimplify_modify_expr): Simplify complex lvalue on LHS of clobber. 2018-04-30 Jason Merrill * tree.c (build_clobber): New. * tree.h: Declare it. * gimplify.c (gimplify_bind_expr, gimplify_target_expr): Use it. 2018-04-30 David Malcolm * diagnostic-show-locus.c (layout::layout): Update for location_get_source_line returning a char_span. (struct char_span): Move to input.h. (struct correction): Update for fields in char_span becoming private. (struct source_line): Update for location_get_source_line returning a char_span. (layout::print_line): Likewise. * edit-context.c (edited_file::print_content): Likewise. (edited_file::print_diff_hunk): Likewise. (edited_file::print_run_of_changed_lines): Likewise. (edited_file::get_num_lines): Likewise. (edited_line::edited_line): Likewise. * final.c (asm_show_source): Likewise. * input.c (location_get_source_line): Convert return type from const char * to char_span, losing the final "line_len" param. (dump_location_info): Update for the above. (get_substring_ranges_for_loc): Likewise. Use a char_span when handling the literal within the line. (test_reading_source_line): Update for location_get_source_line returning a char_span. * input.h (class char_span): Move here from diagnostic-show-locus.c, converting from a struct to a class. Make data members private. (char_span::operator bool): New. (char_span::length): New. (char_span::get_buffer): New. (char_span::operator[]): New. (char_span::subspan): Make const. (char_span::xstrdup): New. (location_get_source_line): Convert return type from const char * to char_span, losing the final "line_size" param. 2018-04-30 Jan Hubicka * lto-wrapper.c (ltrans_priorities): New static var. (cmp_priority): New. (run_gcc): Read priorities and if doing parallel build order the Makefile by them. 2018-04-30 David Malcolm * input.h (builtins_location_check): Convert to a STATIC_ASSERT. 2018-04-30 Richard Biener * tree-cfg.c (verify_address): Remove base argument, add flag whether to check TREE_ADDRESSABLE and do that. (verify_expr): Remove. (verify_types_in_gimple_reference): Add pieces from verify_expr. (verify_gimple_assign_single): Likewise. (verify_gimple_switch): Likewise. (verify_expr_location_1): Dereference tp once. Add (disabled) piece from verify_expr. (verify_gimple_in_cfg): Do not call verify_expr on all ops. 2018-04-30 Claudiu Zissulescu * config/arc/linux.h (CLEAR_INSN_CACHE): Define. 2018-04-30 Claudiu Zissulescu * config/arc/arc-protos.h (prepare_extend_operands): Remove. (small_data_pattern): Likewise. (arc_rewrite_small_data): Likewise. * config/arc/arc.c (LEGITIMATE_SMALL_DATA_OFFSET_P): Remove. (LEGITIMATE_SMALL_DATA_ADDRESS_P): Likewise. (get_symbol_alignment): New function. (legitimate_small_data_address_p): Likewise. (legitimate_scaled_address): Update, call legitimate_small_data_address_p. (output_sdata): New static variable. (arc_print_operand): Update how we handle small data operands. (arc_print_operand_address): Likewise. (arc_legitimate_address_p): Update, use legitimate_small_data_address_p. (arc_rewrite_small_data_p): Remove. (arc_rewrite_small_data_1): Likewise. (arc_rewrite_small_data): Likewise. (small_data_pattern): Likewise. (compact_sda_memory_operand): Update to use legitimate_small_data_address_p and get_symbol_alignment. (prepare_move_operands): Don't rewite sdata pattern. (prepare_extend_operands): Remove. * config/arc/arc.md (zero_extendqihi2): Don't rewrite sdata pattern. (zero_extendqisi2): Likewise. (zero_extendhisi2): Likewise. (extendqihi2): Likewise. (extendqisi2): Likewise. (extendhisi2): Likewise. (addsi3): Likewise. (subsi3): Likewise. (andsi3): Likewise. * config/arc/constraints.md (Usd): Change it to memory constraint. 2018-04-30 Claudiu Zissulescu * config/arc/arc.c (arc_split_move): Allow signed 6-bit constants as source of std instructions. * config/arc/arc.md (movsi_insn): Update pattern predicate to allow 6-bit constants as source for store instructions. (movdi_insn): Update instruction pattern to allow 6-bit constants as source for store instructions. 2018-04-30 Jonathan Wakely * doc/invoke.texi (-fdebug-types-section): Fix grammar. 2018-04-30 Nathan Sidwell Sandra Loosemore * dumpfile.c (dump_open): Allow '-' for stdout. * doc/invoke.texi (Developer Options): Document dump filename determination early. Document stdin/stdout selection. 2018-04-30 Andrew Sadek Microblaze Target: PIC data text relative * config/microblaze/microblaze.opt: add new option -mpic-data-text-rel. * config/microblaze/microblaze-protos.h (microblaze_constant_address_p): Add declaration. * config/microblaze/microblaze.h (microblaze_constant_address_p): CONSTANT_ADDRESS_P definition to microblaze_constant_address_p. * config/microblaze/microblaze.c (TARGET_PIC_DATA_TEXT_REL): New addressing mode for data-text relative position indepenedent code. (microblaze_classify_unspec): add 'UNSPEC_TEXT' case -> 'ADDRESS_SYMBOLIC_TXT_REL'. (microblaze_classify_address): Add handling for UNSPEC + CONST_INT. (microblaze_legitimate_pic_operand): Exclude function calls from pic operands in case of TARGET_PIC_DATA_TEXT_REL option. (microblaze_legitimize_address): Generate 'UNSPEC_TEXT' for all possible addresses cases. (microblaze_address_insns): Add 'ADDRESS_SYMBOLIC_TXT_REL' case. (print_operand): Add 'ADDRESS_SYMBOLIC_TXT_REL' case. (print_operand_address): Add 'ADDRESS_SYMBOLIC_TXT_REL' case + handling for 'address + offset'. (microblaze_expand_prologue): Add new function prologue call for 'r20' assignation. (microblaze_asm_generate_pic_addr_dif_vec): Override new target hook 'TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC' to disable address diff vector table in case of TARGET_PIC_DATA_TEXT_REL. (expand_pic_symbol_ref): Add handling for 'UNSPEC_TEXT'. * config/microblaze/microblaze.md (TARGET_PIC_DATA_TEXT_REL): Add new macros 'UNSPEC_TEXT', 'UNSPEC_SET_TEXT' + add rule for setting r20 in function prologue + exclude function calls from 'UNSPEC_PLT' in case of data text relative mode. * doc/tm.texi.in (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC): Add new target hook for generating address diff vector tables in case of flag_pic. * doc/tm.texi : Regenerate. * stmt.c (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC): Append new condition 'targetm.asm_out.generate_pic_addr_diff_vec' to flag_pic in case of addr diff vector generation. * target.def (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC): Add target hook definition. * targhooks.h, targhooks.c (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC): Add default function for generate_pic_addr_diff_vec -> flag_pic. * doc/invoke.texi (Add new pic option): Add new microblaze pic option for data text relative. 2018-04-30 Richard Biener * tree-chrec.h (evolution_function_is_constant_p): Remove redundant check. * tree-cfg.c (tree_node_can_be_shared): Re-order checks. 2018-04-30 Richard Biener PR bootstrap/85571 * dwarf2out.c (gen_producer_string): Ignore -fchecking[=]. 2018-04-30 Richard Biener PR tree-optimization/28364 PR tree-optimization/85275 * tree-ssa-loop-ch.c (ch_base::copy_headers): Stop after copying first exit test. 2018-04-28 Mark Wielaard * dwarf2out.c (dwarf2out_finish): Add .debug_addr table header for dwarf_version >= 5. (dwarf_AT): Handle DW_AT_addr_base. (add_top_level_skeleton_die_attrs): Use dwarf_AT for DW_AT_addr_base. 2018-04-28 Uros Bizjak PR target/84431 * config/i386/i386.md (*ashl3_doubleword_mask): New pattern. (*ashl3_doubleword_mask_1): Ditto. (*3_doubleword_mask): Ditto. (*3_doubleword_mask_1): Ditto. 2018-04-28 Richard Biener * tree-cfg.c (verify_gimple_phi): Take a gphi * argument. (verify_gimple_in_cfg): Rename visited_stmts to visited_throwing_stmts to reflect use. Only add interesting stmts. 2018-04-27 Martin Jambor PR ipa/85549 * ipa-cp.c (find_aggregate_values_for_callers_subset): Make sure the jump function allows for passing through aggregate values. 2018-04-27 David Malcolm * input.h (in_system_header_at): Convert from macro to inline function. (from_macro_expansion_at): Likewise. (from_macro_definition_at): Likewise. 2018-04-27 Jeff Law * config.gcc: Mark tile* targets as deprecated/obsolete. 2018-04-27 Richard Biener * config/aarch64/aarch64.c: Simplify ap.__stack advance and fix for ILP32. 2018-04-27 Richard Biener * tree-cfg.c (verify_expr): Make dead code hit gcc_unreachable. 2018-04-27 Uros Bizjak * config/i386/i386.md (*movti_internal): Substitute Ye constraint with Yd constraint. Set "preferred_for_speed" attribute from TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC for alternatives with Yd constraint. (*movdi_internal): Ditto. (movti_interunit splitters): Remove TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC from insn condition. (movdi_interunit splitters): Ditto. * config/i386/constraints.md (Ye): Remove. (Yd): Do not depend on TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC. 2018-04-27 Kyrylo Tkachov PR target/85512 * config/aarch64/constraints.md (Usg): Limit to 31. (Usj): Limit to 63. 2018-04-27 Jakub Jelinek PR tree-optimization/85529 * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Add FIRST_BB argument. Don't call get_nonzero_bits if opcode is ERROR_MARK_NODE, rhs2 def stmt's bb is dominated by first_bb and it isn't an obvious zero extension or masking of the MSB bit. (optimize_range_tests): Add FIRST_BB argument, pass it through to optimize_range_tests_var_bound. (maybe_optimize_range_tests, reassociate_bb): Adjust optimize_range_tests callers. 2018-04-26 Richard Biener Jakub Jelinek * cgraph.h (symbol_table): Just declare debug method here. * symtab.c (symbol_table::debug): Define. 2018-04-26 Eric Botcazou * loop-invariant.c (may_assign_reg_p): Return false for frame pointer. 2018-04-26 Uros Bizjak * config/i386/i386.md ("isa" attribute): Add x64_sse2. ("enabled" attribute): Handle x64_sse2 "isa" attribute. (*movdi_internal): Substitute Yi and Yj constraint with x and Ym and Yn constraint with y constraint. Update "isa" attribute and set "preferred_for_speed" attribute from TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC for updated alternatives. (*movsi_internal): Ditto. (*movdf_internal): Ditto. (*movsf_internal): Ditto. (*zero_extendsidi2): Ditto. * config/i386/sse.md (vec_set_0): Ditto. (sse2_loadld): Ditto. (*vec_extract_0): Ditto. (*vec_extractv4si_0_zext_sse4): Ditto. (vec_concatv2di): Ditto. (*vec_dup): Ditto. * config/i386/mmx.md (*mov_internal): Ditto. * config/i386/constraints.md (Yi): Remove. (Yj): Remove. (Ym): Remove. (Yn): Remove. 2018-04-26 Nathan Sidwell * dumpfile.c (dump_open): New. (dump_open_alternate_stream, dump_start, dump_begin): Call it. (dump_finish): Detect stdio/stderr by value not name. 2018-04-26 Jonathan Wakely * doc/invoke.texi (-Wreturn-type): Document default status for C++. 2018-04-26 Tom de Vries PR target/84952 * config/nvptx/nvptx.c (verify_neutering_jumps) (verify_neutering_labels): New function (nvptx_single): Use verify_neutering_jumps and verify_neutering_labels. 2018-04-26 Tom de Vries PR target/84025 * config/nvptx/nvptx.c (needs_neutering_p): New function. (nvptx_single): Use needs_neutering_p to skip over insns that do not need neutering. 2018-04-26 Richard Biener Tom de Vries PR lto/85422 * lto-streamer-out.c (output_function): Fixup loops if required to match discovery done in the reader. 2018-04-26 Richard Biener PR tree-optimization/85116 * tree-ssa-loop-ch.c (do_while_loop_p): A do-while loop should have a loop exit from the single latch predecessor. Remove case of header with just condition. (ch_base::copy_headers): Exclude infinite loops from any processing. (pass_ch::execute): Record exits. 2018-04-26 Richard Biener * tree-vect-data-refs.c (vect_get_data_access_cost): Get prologue cost vector and pass it to vect_get_load_cost. (vect_get_peeling_costs_all_drs): Likewise. (vect_peeling_hash_get_lowest_cost): Likewise. (vect_enhance_data_refs_alignment): Likewise. 2018-04-26 Richard Biener PR middle-end/85450 * tree-cfg.c (verify_gimple_assign_unary): Restore proper checking of integer<->pointer conversions. * omp-expand.c (expand_omp_for_static_nochunk): Avoid sign-/zero-extending pointer types. (expand_omp_for_static_chunk): Likewise. 2018-03-22 Hans-Peter Nilsson Jean Lee * config/mips/mips.c (mips_asan_shadow_offset): New function. (TARGET_ASAN_SHADOW_OFFSET): Define. * config/mips/mips.h (FRAME_GROWS_DOWNWARD): Augment to also be true for -fsanitize=address. 2018-04-25 Mark Wielaard * dwarf2out.c (file_info_cmp): Sort longer dir prefixes before shorter ones. 2018-04-25 Jakub Jelinek * config/i386/i386.md (*x86_movcc_0_m1): Use type "alu1" rather than "alu", remove explicit "memory" and "imm_disp" attributes. (*x86_movcc_0_m1_se, *x86_movcc_0_m1_neg): Likewise. PR middle-end/85414 * simplify-rtx.c (simplify_unary_operation_1) : Pass SUBREG_REG (op) rather than op to gen_lowpart_no_emit. 2018-04-25 Sebastian Peryt PR target/85473 * config/i386/i386.c (ix86_expand_builtin): Change memory operand to XI, extend p0 to Pmode. * config/i386/i386.md: Change unspec volatile and operand 1 mode to XI, change operand 0 mode to P. 2018-04-25 Chung-Ju Wu * config/nds32/nds32-predicates.c (nds32_can_use_bclr_p): Mask with GET_MODE_MASK before any checking. (nds32_can_use_bset_p): Likewise. (nds32_can_use_btgl_p): Likewise. 2018-04-25 Chung-Ju Wu * config/nds32/nds32-doubleword.md: New define_split pattern for illegal register number. 2018-04-25 Chung-Ju Wu * config/nds32/nds32.c (nds32_print_operand): Set op_value ealier. 2018-04-25 Chung-Ju Wu * config/nds32/nds32.h (ASM_APP_ON): Add missing newline character. 2018-04-25 Richard Biener * lto-streamer.h (LTO_major_version): Bump to 8. 2018-04-25 Jakub Jelinek * BASE-VER: Set to 9.0.0. 2018-04-24 Segher Boessenkool * config/rs6000/rs6000.c (init_float128_ieee): Fix spelling mistakes in __abskf2 and __powikf2. 2018-04-24 Kyrylo Tkachov PR target/85512 * config/aarch64/constraints.md (Usg, Usj): New constraints. * config/aarch64/iterators.md (cmode_simd): New mode attribute. * config/aarch64/aarch64.md (*aarch64_ashr_sisd_or_int_3): Use the above on operand 2. Reindent. (*aarch64_lshr_sisd_or_int_3): Likewise. 2018-04-24 H.J. Lu PR target/85485 * common/config/i386/i386-common.c (ix86_handle_option): Don't handle OPT_mcet. * config/i386/i386.opt (mcet): Removed. * doc/install.texi: Remove -mcet documentation. * doc/invoke.texi: Likewise. 2018-04-24 H.J. Lu PR target/85485 * doc/install.texi: Remove -mcet from bootstrap-cet. 2018-04-24 Jakub Jelinek PR target/85511 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Don't define __builtin_ia32_readeflags_u32 and __builtin_ia32_writeeflags_u32 if TARGET_64BIT. PR target/85503 * config/rs6000/rs6000-p8swap.c (const_load_sequence_p): Punt if const_vector is not CONST_VECTOR or SYMBOL_REF for a constant pool containing a CONST_VECTOR. 2018-04-24 Cesar Philippidis * doc/install.texi: Update newlib dependency for nvptx. 2018-04-24 Jakub Jelinek PR target/85508 * config/i386/i386.c (ix86_expand_vector_init_one_var): Use UINTVAL instead of INTVAL when shifting x left. 2018-04-24 Andreas Krebbel PR tree-optimization/85478 * tree-vect-loop.c (vect_analyze_loop_2): Do not call vect_grouped_store_supported for single element vectors. 2018-04-24 Richard Biener PR target/85491 * config/i386/i386.c (ix86_add_stmt_cost): Restrict strided load cost increase to the case of non-constant step. 2018-04-24 Jakub Jelinek PR target/84828 * reg-stack.c (move_for_stack_reg): Don't fail assertion about dead destination if any_malformed_asm. 2018-04-23 Eric Botcazou PR middle-end/85496 * expr.c (store_field): In the bitfield case, if the value comes from a function call and is returned in registers by means of a PARALLEL, do not change the mode of the temporary unless BLKmode and VOIDmode. 2018-04-23 Andrey Belevantsev PR rtl-optimization/85423 * sel-sched-ir.c (has_dependence_note_mem_dep): Only discard dependencies to debug insns when the previous insn is non-debug. 2018-04-23 Claudiu Zissulescu * config/arc/arc.md ("vunspec"): Delete it, unify all the unspec enums into a single definition. (fls): Fix predicates and printing. (seti): Likewise. 2018-04-23 Claudiu Zissulescu * config/arc/arc-protos.h (check_if_valid_sleep_operand): Remove. * config/arc/arc.c (arc_expand_builtin): Sleep accepts registers and short u6 immediate. (check_if_valid_sleep_operand): Remove. * config/arc/arc.md (Sleep): Accepts registers and u6 immediates. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (nds32_compute_stack_frame): Consider flag_always_save_lp condition. * config/nds32/nds32.opt (malways-save-lp): New option. 2018-04-22 Shiva Chen * config/nds32/nds32-protos.h (nds32_use_load_post_increment): Declare. * config/nds32/nds32.c (nds32_use_load_post_increment): New. * config/nds32/nds32.h (USE_LOAD_POST_INCREMENT, USE_LOAD_POST_DECREMENT): Define. (USE_STORE_POST_INCREMENT, USE_STORE_POST_DECREMENT): Define. 2018-04-22 Shiva Chen * config/nds32/nds32-protos.h (nds32_ls_333_p): Remove. * config/nds32/nds32.c (nds32_ls_333_p): Remove. 2018-04-22 Shiva Chen Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_case_vector_shorten_mode): Declare. * config/nds32/nds32.c (nds32_case_vector_shorten_mode): New function. * config/nds32/nds32.h (CASE_VECTOR_SHORTEN_MODE): Modify. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (nds32_compute_stack_frame): Fix wrong value. 2018-04-22 Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_data_alignment, nds32_local_alignment): Declare. * config/nds32/nds32.c (nds32_data_alignment, nds32_constant_alignment, nds32_local_alignment): New functions. (TARGET_CONSTANT_ALIGNMENT): Define. * config/nds32/nds32.h (DATA_ALIGNMENT, LOCAL_ALIGNMENT): Define. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (TARGET_HARD_REGNO_MODE_OK): Move to the bottom of file. (TARGET_MODES_TIEABLE_P): Likewise. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (nds32_asm_file_start): Display optimization level Ofast and Og. 2018-04-22 Monk Chiang Chung-Ju Wu * config/nds32/constants.md (unspec_volatile_element): Add enum values for unaligned access. * config/nds32/nds32-intrinsic.c: Implementation of expanding unaligned access. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. * config/nds32/nds32.opt (munaligned-access): New option. * config/nds32/nds32.c (nds32_asm_file_start): Display flag_unaligned_access status. 2018-04-20 Kito Cheng * config/riscv/elf.h (LINK_SPEC): Pass --no-relax if -mno-relax is present. * config/riscv/linux.h (LINK_SPEC): Ditto. 2018-04-20 Martin Sebor PR c/85365 * gimple-fold.c (gimple_fold_builtin_strcpy): Suppress -Wrestrict for null pointers. (gimple_fold_builtin_stxcpy_chk): Same. * gimple-ssa-warn-restrict.c (check_bounds_or_overlap): Same. 2018-04-20 Michael Meissner PR target/85456 * config/rs6000/rs6000.c (init_float128_ieee): Add support to call __powikf2 when long double is IEEE 128-bit. 2018-04-20 Kito Cheng * config/riscv/riscv.c (riscv_first_stack_step): Round up min step to make sure stack always aligned. 2018-04-20 Carl Love PR target/83402 * config/rs6000/rs6000-c.c (rs6000_gimple_fold_builtin): Add size check for arg0. 2018-04-20 Nathan Sidwell Tom de Vries PR target/85445 * config/nvptx/nvptx.c (nvptx_emit_forking, nvptx_emit_joining): Emit insns for calls too. (nvptx_find_par): Always look for worker-level predecessor insn. (nvptx_propagate): Add is_call parm, return bool. Copy frame for calls. (nvptx_vpropagate, nvptx_wpropagate): Adjust. (nvptx_process_pars): Propagate frames for calls. 2018-04-20 H.J. Lu PR target/85469 * common/config/i386/i386-common.c (OPTION_MASK_ISA_IBT_SET): Removed. (OPTION_MASK_ISA_IBT_UNSET): Likewise. (ix86_handle_option): Don't handle OPT_mibt. * config/i386/cet.h: Check __CET__ instead of __IBT__ and __SHSTK__. * config/i386/driver-i386.c (host_detect_local_cpu): Remove has_ibt and ibt. * config/i386/i386-c.c (ix86_target_macros_internal): Don't check OPTION_MASK_ISA_IBT nor flag_cf_protection. (ix86_target_macros): Define __CET__ with flag_cf_protection for -fcf-protection. * config/i386/i386.c (isa2_opts): Remove -mibt. * config/i386/i386.h (TARGET_IBT): Removed. (TARGET_IBT_P): Likewise. (ix86_valid_target_attribute_inner_p): Don't check OPT_mibt. * config/i386/i386.md (nop_endbr): Don't check TARGET_IBT. * config/i386/i386.opt (mcet): Update help message. (mshstk): Likewise. (mibt): Removed. * doc/invoke.texi: Remove -mibt. Document __CET__. Document -mcet as an alias for -mshstk. 2018-04-20 Richard Biener PR middle-end/85475 * match.pd ((X * CST) * Y -> (X * Y) * CST): Avoid exponential complexity by forcing a single use of the multiply operand. 2018-04-20 Martin Jambor ipa/85449 * ipa-cp.c (cgraph_edge_brings_value_p): Move check for self-feeding recursion dependency to only apply to non-clones. 2018-04-20 Martin Jambor ipa/85447 * ipa-cp.c (create_specialized_node): Check that clones of self-recursive edges exist during IPA-CP. 2018-04-19 Toon Moene * doc/invoke.texi: Add -floop-unroll-and-jam to options enabled by -O3. 2018-04-19 Jakub Jelinek PR tree-optimization/85467 * fold-const.c (fold_ternary_loc) : Use VECTOR_TYPE_P macro. If type is vector type, VIEW_CONVERT_EXPR the VECTOR_CST element to type. 2018-04-19 H.J. Lu PR target/85397 * config/i386/i386.h (STACK_SAVEAREA_MODE): New. * config/i386/i386.md (builtin_setjmp_setup): Removed. (builtin_longjmp): Likewise. (save_stack_nonlocal): New pattern. (restore_stack_nonlocal): Likewise. 2018-04-19 H.J. Lu PR target/85404 * config/i386/cet.c (file_end_indicate_exec_stack_and_cet): Replace ASM_OUTPUT_LABEL with fprintf. 2018-04-19 H.J. Lu PR target/85417 * config/i386/cet.c (file_end_indicate_exec_stack_and_cet): Check flag_cf_protection instead of TARGET_IBT and TARGET_SHSTK. * config/i386/i386-c.c (ix86_target_macros_internal): Also define __IBT__ and __SHSTK__ for -fcf-protection. * config/i386/i386.c (pass_insert_endbranch::gate): Don't check TARGET_IBT. (ix86_trampoline_init): Likewise. (x86_output_mi_thunk): Likewise. (ix86_notrack_prefixed_insn_p): Likewise. (ix86_option_override_internal): Don't disallow -fcf-protection. * config/i386/i386.md (rdssp): Also enable for -fcf-protection. (incssp): Likewise. (nop_endbr): Likewise. * config/i386/i386.opt (mcet): Change help message to built-in functions only. (mibt): Likewise. (mshstk): Likewise. * doc/invoke.texi: Remove -mcet, -mibt and -mshstk condition on -fcf-protection. Change -mcet, -mibt and -mshstk to only enable CET built-in functions. 2018-04-19 Sebastian Peryt * common/config/i386/i386-common.c (OPTION_MASK_ISA_MOVDIRI_SET, OPTION_MASK_ISA_MOVDIR64B_SET, OPTION_MASK_ISA_MOVDIRI_UNSET, OPTION_MASK_ISA_MOVDIR64B_UNSET): New defines. (ix86_handle_option): Handle -mmovdiri and -mmovdir64b. * config.gcc (movdirintrin.h): New header. * config/i386/cpuid.h (bit_MOVDIRI, bit_MOVDIR64B): New bits. * config/i386/driver-i386.c (host_detect_local_cpu): Detect -mmovdiri and -mmvodir64b. * config/i386/i386-builtin-types.def ((VOID, PUNSIGNED, UNSIGNED), (VOID, PVOID, PCVOID)): New function types. * config/i386/i386-builtin.def (__builtin_ia32_directstoreu_u32, __builtin_ia32_directstoreu_u64, __builtin_ia32_movdir64b): New builtins. * config/i386/i386-c.c (__MOVDIRI__, __MOVDIR64B__): New. * config/i386/i386.c (ix86_target_string): Added -mmovdir64b and -mmovdiri. (ix86_valid_target_attribute_inner_p): Ditto. (ix86_expand_special_args_builtin): Added VOID_FTYPE_PUNSIGNED_UNSIGNED and VOID_FTYPE_PUNSIGNED_UNSIGNED. (ix86_expand_builtin): Expand IX86_BUILTIN_MOVDIR64B. * config/i386/i386.h (TARGET_MOVDIRI, TARGET_MOVDIRI_P, TARGET_MOVDIR64B, TARGET_MOVDIR64B_P): New. * config/i386/i386.md (UNSPECV_MOVDIRI, UNSPECV_MOVDIR64B): New. (movdiri, movdir64b_): New. * config/i386/i386.opt: Add -mmovdiri and -mmovdir64b. * config/i386/immintrin.h: Include movdirintrin.h. * config/i386/movdirintrin.h: New file. * doc/invoke.texi: Added -mmovdiri and -mmovdir64b. 2018-04-19 Richard Biener PR middle-end/85455 * cfg.c (clear_bb_flags): When loop state says we have marked irreducible regions also preserve BB_IRREDUCIBLE_LOOP. 2018-04-19 Richard Biener PR tree-optimization/84737 * tree-vect-data-refs.c (vect_copy_ref_info): New function copying restrict info. (vect_setup_realignment): Use it. * tree-vectorizer.h (vect_copy_ref_info): Declare. * tree-vect-stmts.c (vectorizable_store): Copy ref info from the first DR to all generated stores. (vectorizable_load): Likewise for loads. 2018-04-19 Jakub Jelinek PR tree-optimization/85446 * match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Require the integral and pointer types to have the same precision. * doc/install.texi: Document --disable-cet being the default and --enable-cet=auto. 2018-04-18 Martin Liska * ipa-devirt.c (odr_subtypes_equivalent_p): Fix GNU coding style. 2018-04-18 Martin Liska Revert 2018-03-02 Eric Botcazou PR ipa/83983 * ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both arguments if they are comparable. 2018-04-18 Martin Liska Revert 2018-03-13 Eric Botcazou PR lto/84805 * ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of incomplete types. 2018-04-18 H.J. Lu PR target/85388 * config/i386/i386.c (ix86_expand_split_stack_prologue): Insert ENDBR after calling __morestack. 2018-04-18 David Malcolm PR jit/85384 * configure.ac (gcc-driver-name.h): Honor --with-gcc-major-version by using gcc_base_ver to generate a gcc_driver_version, and use it when generating GCC_DRIVER_NAME. * configure: Regenerate. 2018-04-18 Jakub Jelinek PR target/81084 * config.gcc: Obsolete powerpc*-*-*spe*. 2018-04-17 Jakub Jelinek PR debug/84637 * dbxout.c (dbxout_int): Perform negation in unsigned int type. (stabstr_D): Change type of unum from unsigned int to unsigned HOST_WIDE_INT. Perform negation in unsigned HOST_WIDE_INT type. 2018-04-17 Jim Wilson PR 84856 * config/riscv/riscv.c (riscv_compute_frame_info): Add calls to RISCV_STACK_ALIGN when using outgoing_args_size and pretend_args_size. Set arg_pointer_offset after using pretend_args_size. 2018-04-17 Jakub Jelinek PR rtl-optimization/85431 * dse.c (record_store): Ignore zero width stores. PR sanitizer/85230 * asan.c (handle_builtin_stack_restore): Adjust comment. Emit __asan_allocas_unpoison call and last_alloca_addr = new_sp before __builtin_stack_restore rather than after it. * builtins.c (expand_asan_emit_allocas_unpoison): Pass arg1 + (virtual_dynamic_stack_rtx - stack_pointer_rtx) as second argument instead of virtual_dynamic_stack_rtx. 2018-04-17 Kelvin Nilsen * config/rs6000/rs6000-protos.h (rs6000_builtin_is_supported_p): New prototype. * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add note to error message to explain internal mapping of overloaded built-in function name to non-overloaded built-in function name. * config/rs6000/rs6000.c (rs6000_builtin_is_supported_p): New function. 2018-04-17 Michael Meissner PR target/85424 * config/rs6000/rs6000.md (pack): Do not try handle a pack where the inputs overlap with the output. 2018-04-17 Jakub Jelinek * config/i386/sse.md (vec_extract_lo_): Add (=v, v) alternative and explicit "memory" attribute. (vec_extract_lo_): Likewise. Also add "type", "prefix", "prefix_extra", "length_immediate" and "mode" attributes. (vec_extract_lo_): Add (=v, v) alternative and use "sselog1" type instead of "sselog". (vec_extract_hi_): Use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_lo_v32hi): Add (=v, v) alternative and explicit "memory", "type", "prefix", "prefix_extra", "length_immediate" and "mode" attributes. (vec_extract_hi_v32hi): Merge all alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_hi_v16hi): Merge each pair of alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_lo_v64qi): Add (=v, v) alternative and explicit "memory", "type", "prefix", "prefix_extra", "length_immediate" and "mode" attributes. (vec_extract_hi_v64qi): Merge all alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_hi_v32qi): Merge each pair of alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. PR target/85430 * config/i386/i386.md (*ashlqi3_1_slp): Use alu1 type instead of alu. PR middle-end/85414 * rtlhooks.c (gen_lowpart_if_possible): Don't call gen_lowpart_SUBREG on a SUBREG. 2018-04-17 Martin Jambor PR ipa/85421 * ipa-cp.c (create_specialized_node): Call expand_all_artificial_thunks if necessary. 2018-04-17 Martin Liska PR lto/85405 * ipa-devirt.c (odr_types_equivalent_p): Remove trailing in message, remote space in between '_G' and '('. 2018-04-17 Jakub Jelinek PR target/85281 * config/i386/sse.md (reduces, avx512f_vmcmp3, avx512f_vmcmp3_mask, avx512f_sgetexp, avx512f_rndscale, avx512dq_ranges, avx512f_vgetmant): Use %2 instead of %2 for -masm=intel. (avx512f_vcvtss2usi, avx512f_vcvtss2usiq, avx512f_vcvttss2usi, avx512f_vcvttss2usiq): Use %k1 instead of %1 for -masm=intel. (avx512f_vcvtsd2usi, avx512f_vcvtsd2usiq, avx512f_vcvttsd2usi, avx512f_vcvttsd2usiq, ufloatv2siv2df2): Use %q1 instead of %1 for -masm=intel. (avx512f_sfixupimm, avx512f_sfixupimm_mask): Use %3 instead of %3 for -masm=intel. (sse2_shufpd_v2df_mask): Fix a typo, change %{6%} to %{%6%} for -masm=intel. (*avx512vl_v2div2qi2_store): Use %w0 instead of %0 for -masm=intel. (*avx512vl_v4qi2_store): Use %k0 instead of %0 for -masm=intel. (avx512vl_v4qi2_mask_store): Use a single pattern with %k0 and %1 for -masm=intel rather than two patterns, one with %0 and %g1. (*avx512vl_v8qi2_store): Use %q0 instead of %0 for -masm=intel. (avx512vl_v8qi2_mask_store): Use a single pattern with %q0 and %1 for -masm=intel rather than two patterns, one with %0 and %g1 and one with %0 and %1. (avx512er_vmrcp28, avx512er_vmrsqrt28): Use %1 instead of %1 for -masm=intel. (avx5124fmaddps_4fmaddps_mask, avx5124fmaddps_4fmaddss_mask, avx5124fmaddps_4fnmaddps_mask, avx5124fmaddps_4fnmaddss_mask, avx5124vnniw_vp4dpwssd_mask, avx5124vnniw_vp4dpwssds_mask): Swap order of %0 and %{%4%} for -masm=intel. (avx5124fmaddps_4fmaddps_maskz, avx5124fmaddps_4fmaddss_maskz, avx5124fmaddps_4fnmaddps_maskz, avx5124fmaddps_4fnmaddss_maskz, avx5124vnniw_vp4dpwssd_maskz, avx5124vnniw_vp4dpwssds_maskz): Swap order of %0 and %{%5%}%{z%} for -masm=intel. 2018-04-17 Jan Hubicka PR lto/85405 * ipa-devirt.c (odr_types_equivalent_p): Handle bit fields. 2018-04-17 Martin Liska PR ipa/85329 * multiple_target.c (create_dispatcher_calls): Set apostrophes for target_clone error message. Make default implementation clone to be a local declaration. (separate_attrs): Add new argument and check for an empty string. (expand_target_clones): Handle it. (ipa_target_clone): Make redirection just for target_clones functions. 2018-04-16 Cesar Philippidis Tom de Vries PR middle-end/84955 * omp-expand.c (expand_oacc_for): Add dummy false branch for tiled basic blocks without omp continue statements. 2018-04-16 Aaron Sawdey PR target/83660 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Mark vec_extract expression as having side effects to make sure it gets a cleanup point. 2018-04-16 H.J. Lu PR target/85403 * config/i386/i386.c (get_builtin_code_for_version): Check error_mark_node. 2018-04-16 Olga Makhotina PR target/84331 * config.gcc: Support "skylake". * config/i386/i386-c.c (ix86_target_macros_internal): Handle PROCESSOR_SKYLAKE. * config/i386/i386.c (m_SKYLAKE): Define. (processor_target_table): Add "skylake". (ix86_option_override_internal): Add "skylake". (get_builtin_code_for_version): Handle PROCESSOR_SKYLAKE, PROCESSOR_CANNONLAKE. (get_builtin_code_for_version): Fix priority for PROCESSOR_ICELAKE_CLIENT, PROCESSOR_ICELAKE_SERVER, PROCESSOR_SKYLAKE-AVX512. * config/i386/i386.h (processor_costs): Define TARGET_SKYLAKE. (processor_type): Add PROCESSOR_SKYLAKE. 2018-04-16 Paolo Carlini Jason Merrill PR c++/85112 * convert.c (convert_to_integer_1): Use direct recursion for enumeral types and types with a precision less than the number of bits in their mode. 2018-04-16 Julia Koval PR target/84413 * config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL, X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL): Add m_SKYLAKE_AVX512 2018-04-14 Segher Boessenkool PR target/85293 * config/rs6000/rs6000.opt (mdirect-move): Make deprecated. * doc/invoke.texi (RS/6000 and PowerPC Options): Remove -mdirect-move and -mno-direct-move. 2018-04-13 Paul A. Clarke PR target/83402 * config/rs6000/emmintrin.h (_mm_slli_epi{16,32,64}): Ensure that vec_splat_s32 is only called with 0 <= shift < 16. Ensure negative shifts result in {0}. 2018-04-13 Vladimir Makarov PR rtl-optimization/79916 * config/rs6000/rs6000.c (rs6000_emit_move): Use assigned hard regs (if any) to define how to gnerate SD moves when LRA is in progress. 2018-04-13 Jakub Jelinek PR rtl-optimization/85393 * except.h (expand_dw2_landing_pad_for_region): Remove declaration. * except.c (expand_dw2_landing_pad_for_region): Make static. * bb-reorder.c (fix_up_crossing_landing_pad): In new_bb emit just a label and unconditional jump to old_bb, rather than expand_dw2_landing_pad_for_region insn(s) and jump to single_succ basic block. PR rtl-optimization/85376 * simplify-rtx.c (simplify_const_unary_operation): For CLZ and CTZ and zero op0, if C?Z_DEFINED_VALUE_AT_ZERO is false, return NULL_RTX instead of a specific value. 2018-04-13 Jan Hubicka Bin Cheng PR tree-optimization/82965 PR tree-optimization/83991 * cfgloopanal.c (expected_loop_iterations_unbounded): Add by_profile_only parameter. * cfgloopmanip.c (scale_loop_profile): Further scale loop's profile information if the loop was predicted to iterate too many times. * cfgloop.h (expected_loop_iterations_unbounded): Update prototype 2018-04-13 Jan Hubicka PR lto/71991 * config/i386/i386.c (ix86_can_inline_p): Allow safe transitions for always inline. 2018-04-13 Martin Liska Jakub Jelinek PR middle-end/81657 * expr.h (enum block_op_methods): Add BLOCK_OP_NO_LIBCALL_RET. * expr.c (emit_block_move_hints): Handle BLOCK_OP_NO_LIBCALL_RET. * builtins.c (expand_builtin_memory_copy_args): Use BLOCK_OP_NO_LIBCALL_RET method for mempcpy with non-ignored target, handle dest_addr == pc_rtx. 2018-04-12 Segher Boessenkool PR target/85291 * config/rs6000/rs6000.md (fix_truncsi2): Use legacy code if asked to not generate direct moves. (fix_truncsi2_stfiwx): Similar. (fix_truncsi2_internal): Similar. 2018-04-12 Jakub Jelinek PR debug/83157 * var-tracking.c (add_stores): Handle STRICT_LOW_PART SET_DEST. * cselib.c (cselib_record_sets): For STRICT_LOW_PART dest, lookup if dest in some wider mode is known to be const0_rtx and if so, record permanent equivalence for it to be ZERO_EXTEND of the narrower mode destination. 2018-04-12 Cesar Philippidis * lto-streamer-out.c (output_function): Revert 259346. * omp-expand.c (expand_oacc_for): Likewise. 2018-04-12 Alexander Monakov PR rtl-optimization/85354 * sel-sched-ir.c (sel_init_pipelining): Move cfg_cleanup call... * sel-sched.c (sel_global_init): ... here. 2018-04-12 Eric Botcazou PR target/85238 * lto-wrapper.c (debug_objcopy): Open the files in binary mode. * dwarf2out.c (dwarf2out_early_finish): Do not generate assembly in LTO mode for PE-COFF targets. * config/i386/i386-protos.h (i386_pe_asm_lto_start): Declare. (i386_pe_asm_lto_end): Likewise. * config/i386/cygming.h (TARGET_ASM_LTO_START): Define. (TARGET_ASM_LTO_END): Likewise. * config/i386/winnt.c (saved_debug_info_level): New static variable. (i386_pe_asm_lto_start): New function. (i386_pe_asm_lto_end): Likewise. 2018-04-12 Cesar Philippidis Richard Biener PR middle-end/84955 * lto-streamer-out.c (output_function): Fix CFG loop state before streaming out. * omp-expand.c (expand_oacc_for): Handle calls to internal functions like regular functions. 2018-04-12 Richard Biener PR lto/85371 * dwarf2out.c (init_sections_and_labels): Use debug_line_section[_label] for the early LTO debug to properly generate references to it during DIE emission. Do not re-use that for the skeleton for split-dwarf. (dwarf2out_early_finish): Likewise. 2018-04-12 Jakub Jelinek PR target/85328 * config/i386/sse.md (avx512dq_vextract64x2_1 split, avx512f_vextract32x4_1 split, vec_extract_lo_ split, vec_extract_lo_v32hi, vec_extract_lo_v64qi): For non-AVX512VL if input is xmm16+ reg and output is a reg, avoid creating invalid lowpart subreg, but instead split into a 512-bit move. Don't split if not AVX512VL, input is xmm16+ reg and output is a mem. (vec_extract_lo_, vec_extract_lo_v32hi, vec_extract_lo_v64qi): Don't require split if not AVX512VL, input is xmm16+ reg and output is a mem. 2018-04-12 Andreas Krebbel * config/s390/s390.c (s390_output_indirect_thunk_function): Check also for flag_dwarf2_cfi_asm. 2018-04-12 Jakub Jelinek PR rtl-optimization/85342 * regcprop.c (copyprop_hardreg_forward_1): Remove replaced array, use a bool scalar var inside of the loop instead. Don't try to update recog_data.operand after failed apply_change_group. 2018-04-12 Tom de Vries PR target/85296 * config/nvptx/nvptx.c (flexible_array_member_type_p): New function. (nvptx_assemble_decl_begin): Add undefined param. Declare undefined array with flexible array member as array without given dimension. (nvptx_assemble_undefined_decl): Set nvptx_assemble_decl_begin call argument for undefined param to true. 2018-04-11 Aaron Sawdey PR target/85321 * doc/invoke.texi (RS/6000 and PowerPC Options): Document options -mcall- and -mtraceback=. Remove options -mabi=spe and -mabi=no-spe from PowerPC section. * config/rs6000/sysv4.opt (mcall-): Improve help text. * config/rs6000/rs6000.opt (mblock-compare-inline-limit=): Trim help text that is too long. * config/rs6000/rs6000.opt (mblock-compare-inline-loop-limit=): Trim help text that is too long. * config/rs6000/rs6000.opt (mstring-compare-inline-limit=): Trim help text that is too long. 2018-04-11 Uros Bizjak * config/alpha/alpha.md (stack_probe_internal): Rename from "probe_stack". Update all callers. 2018-04-11 Alexander Monakov PR rtl-optimization/84566 * sched-deps.c (sched_analyze_insn): Check deps->readonly when invoking sched_macro_fuse_insns. 2018-04-11 Alexander Monakov PR target/84301 * sched-rgn.c (add_branch_dependences): Move sel_sched_p check here... (compute_block_dependences): ... from here. 2018-04-11 Jakub Jelinek PR tree-optimization/85331 * vec-perm-indices.h (vec_perm_indices::clamp): Change input type from int to HOST_WIDE_INT. 2018-04-11 Martin Jambor PR ipa/84149 * ipa-cp.c (propagate_vals_across_pass_through): Expand comment. (cgraph_edge_brings_value_p): New parameter dest_val, check if it is not the same as the source val. (cgraph_edge_brings_value_p): New parameter. (gather_edges_for_value): Pass destination value to cgraph_edge_brings_value_p. (perhaps_add_new_callers): Likewise. (get_info_about_necessary_edges): Likewise and exclude values brought only by self-recursive edges. (create_specialized_node): Redirect only clones of self-calling edges. (+self_recursive_pass_through_p): New function. (find_more_scalar_values_for_callers_subset): Use it. (find_aggregate_values_for_callers_subset): Likewise. (known_aggs_to_agg_replacement_list): Removed. (decide_whether_version_node): Re-calculate known constants for all remaining context clones. 2018-04-11 Richard Biener PR lto/85339 * dwarf2out.c (dwarf2out_finish): Remove DW_AT_stmt_list attribute from early DWARF output. (dwarf2out_early_finish): Output line info unconditionally into early DWARF and add reference to it. 2018-04-11 Jakub Jelinek PR target/85281 * config/i386/sse.md (iptr): Add V16SFmode and V8DFmode cases. (_vec_dup): Use a single pattern for modes other than V2DFmode using iptr mode attribute. (_vec_dup): Use iptr mode attribute. 2018-04-11 Alexander Monakov PR rtl-optimization/84659 * sel-sched-ir.c (sel_init_pipelining): Invoke cleanup_cfg. 2018-04-11 Jakub Jelinek PR debug/85302 * dwarf2out.c (skip_loc_list_entry): Don't call size_of_locs if SIZEP is NULL. (output_loc_list): Pass address of a dummy size variable even in the locview handling loop. (index_location_lists): Add comment on why skip_loc_list_entry can't call size_of_locs. 2018-04-11 Thomas Preud'homme PR target/85261 * config/arm/arm-builtins.c (arm_expand_builtin): Force input operand into register. 2018-04-10 Aaron Sawdey PR target/85321 * doc/invoke.texi (RS/6000 and PowerPC Options): Document options -mblock-compare-inline-limit, -mblock-compare-inline-loop-limit, and -mstring-compare-inline-limit. 2018-04-10 Segher Boessenkool PR target/85287 * config/rs6000/rs6000.md (allocate_stack): Put the residual size for stack clash protection in a register whenever we need it to be in a register. 2018-04-10 Segher Boessenkool * common/config/rs6000/rs6000-common.c (rs6000_option_init_struct): Enable -fasynchronous-unwind-tables by default if OBJECT_FORMAT_ELF. 2018-04-10 Segher Boessenkool PR target/85321 * config/rs6000/rs6000.opt (mtraceback=): Show the allowed values in the help text. (mlong-double-): Ditto. * config/rs6000/sysv4.opt (msdata=): Ditto. (mtls-size=): Ditto. 2018-04-10 Kelvin Nilsen * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove erroneous entries for "vector int vec_ldl (int, long int *)", and "vector unsigned int vec_ldl (int, unsigned long int *)". Add comments and entries for "vector bool char vec_ldl (int, bool char *)", "vector bool short vec_ldl (int, bool short *)", "vector bool int vec_ldl (int, bool int *)", "vector bool long long vec_ldl (int, bool long long *)", "vector pixel vec_ldl (int, pixel *)", "vector long long vec_ldl (int, long long *)", "vector unsigned long long vec_ldl (int, unsigned long long *)". * config/rs6000/rs6000.c (rs6000_init_builtins): Initialize new type tree bool_long_long_type_node and correct definition of bool_V2DI_type_node to make reference to this new type tree. (rs6000_mangle_type): Replace erroneous reference to bool_long_type_node with bool_long_long_type_node. * config/rs6000/rs6000.h (enum rs6000_builtin_type_index): Add comments to emphasize sign distinctions for char and int types and replace RS6000_BTI_bool_long constant with RS6000_BTI_bool_long_long constant. Also add comment to restrict use of RS6000_BTI_pixel. (bool_long_type_node): Remove this macro definition. (bool_long_long_type_node): New macro definition 2018-04-10 Jakub Jelinek PR rtl-optimization/85300 * combine.c (subst): Handle subst of CONST_SCALAR_INT_P new_rtx also into FLOAT and UNSIGNED_FLOAT like ZERO_EXTEND, return a CLOBBER if simplify_unary_operation fails. 2018-04-10 Martin Liska * gdbhooks.py: Add pretty-printers for varpool_node, symtab_node, cgraph_edge and ipa_ref. 2018-04-10 Jakub Jelinek PR target/85177 PR target/85255 * config/i386/sse.md (_vinsert_mask): Fix computation of the VEC_MERGE selector from mask. (_vinsert_1): Fix decoding of the VEC_MERGE selector into mask. 2018-04-10 Richard Sandiford PR tree-optimization/85286 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): 2018-04-10 Richard Sandiford * final.c (final_1): Set insn_last_address as well as insn_current_address. 2018-04-10 Kyrylo Tkachov PR target/85173 * explow.c (emit_stack_probe): Call validize_mem on memory location before passing it to gen_probe_stack. Create address operand and legitimize it for the probe_stack_address case. 2018-04-09 Jan Hubicka PR lto/85078 * ipa-devirt.c (rebuild_type_inheritance-hash): New. * ipa-utils.h (rebuild_type_inheritance-hash): Declare. * tree.c (free_lang_data_in_type): Fix handling of binfos; walk basetypes. (free_lang_data): Rebuild type inheritance graph. 2018-04-09 Martin Sebor * invoke.texi (-finline-small-functions): Mention other optimization options. (-findirect-inlining, -fpartial-inlining): Same. (-finline-functions-called-once): Same. (-freorder-blocks-and-partition): Same. 2018-04-09 Jan Hubicka PR rtl/84058 * cfgcleanup.c (try_forward_edges): Do not give up on crossing jumps; choose last target that matches the criteria (i.e. no partition changes for non-crossing jumps). * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Add basic support for redirecting crossing jumps to non-crossing. 2018-04-09 Alexey Brodkin * config/arc/arc.c (arc_expand_prologue): Set stack usage info also for naked functions. 2018-04-09 Claudiu Zissulescu * config/arc/arc.md (add_shift): New pattern. (add_shift2): Likewise. (sub_shift): Likewise. (sub_shift_cmp0_noout): Likewise. (compare_si_ashiftsi): Likewise. (xbfu_cmp0_noout): New combine pattern. (xbfu_cmp0"): Likewise. (movsi_set_cc_insn): Place the predicable variant first. (commutative_binary_cmp0_noout): Remove clobber. (commutative_binary_cmp0): New pattern. (noncommutative_binary_cmp0): Likewise. (noncommutative_binary_cmp0_noout): Likewise. (noncommutative_binary_comparison_result_used): Removed. (rsub_cmp0): New pattern. (rsub_cmp0_noout): Likewise. (extzvsi): Changed, keep only meaningful variants. (SQH, SEZ): New iterators. (SQH_postfix): New mode attribute. (SEZ_prefix): New code attribute. (xt_cmp0_noout): New instruction pattern. (xt_cmp0): Likewise. * config/arc/predicates.md (cc_set_register): Use CC_REG instead of numerical value. (noncommutative_operator): Check the availability of barrel shifter option. 2018-04-09 Richard Biener PR tree-optimization/85284 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): Only use the niter constraining form of simple_iv when the exit is always executed. 2018-04-09 Tom de Vries PR target/84041 * config/nvptx/nvptx.md (define_c_enum "unspecv"): Add UNSPECV_MEMBAR. (define_expand "*memory_barrier"): New define_expand. (define_insn "memory_barrier"): New insn. 2018-04-09 Andrey Belevantsev PR rtl-optimization/80463 PR rtl-optimization/83972 PR rtl-optimization/83480 * sel-sched-ir.c (has_dependence_note_mem_dep): Take into account the correct producer for the insn. (tidy_control_flow): Fixup seqnos in case of debug insns. 2018-04-09 Andrey Belevantsev PR rtl-optimization/83913 * sel-sched-ir.c (merge_expr_data): Choose the middle between two different sched-times when merging exprs. 2018-04-09 Andrey Belevantsev PR rtl-optimization/83962 * sel-sched-ir.c (tidy_control_flow): Correct the order in which we call tidy_fallthru_edge and tidy_control_flow. 2018-04-09 Andrey Belevantsev PR rtl-optimization/83530 * sel-sched.c (force_next_insn): New global variable. (remove_insn_for_debug): When force_next_insn is true, also leave only next insn in the ready list. (sel_sched_region): When the region wasn't scheduled, make another pass over it with force_next_insn set to 1. 2018-04-08 Monk Chiang * config.gcc (nds32le-*-*, nds32be-*-*): Add nds32/nds32_intrinsic.h into tm_file. * config/nds32/constants.md (unspec_volatile_element): Add enum values for interrupt control. * config/nds32/nds32-intrinsic.c: Implementation of intrinsic functions for interrupt control. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. 2018-04-08 Chung-Ju Wu * config/nds32/nds32.c (nds32_init_machine_status, nds32_legitimate_index_p, nds32_legitimate_address_p): Consider strict_aligned_p field. (nds32_expand_to_rtl_hook): New function. (TARGET_EXPAND_TO_RTL_HOOK): Define. * config/nds32/nds32.h (machine_function): Add strict_aligned_p field. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that n7 is valid to --with-cpu. * config/nds32/nds32-n7.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N7. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n7 pipeline. * config/nds32/nds32-protos.h: More declarations for n7 pipeline. * config/nds32/nds32.md (pipeline_model): Add n7. * config/nds32/nds32.opt (mcpu): Support n7 pipeline cpus. * config/nds32/pipelines.md: Include n7 settings. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that e8 is valid to --with-cpu. * config/nds32/nds32-e8.md: New file. * config/nds32/nds32-opts.h (nds32-cpu_type): Add CPU_E8. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for e8 pipeline. * config/nds32/nds32-protos.h: More declarations for e8 pipeline. * config/nds32/nds32.md (pipeline_model): Add e8. * config/nds32/nds32.opt (mcpu): Support e8 pipeline cpus. * config/nds32/pipelines.md: Include e8 settings. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that n6/n8/s8 are valid to --with-cpu. * config/nds32/nds32-n8.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N6 and CPU_N8. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n8 pipeline. * config/nds32/nds32-protos.h: More declarations for n8 pipeline. * config/nds32/nds32-utils.c: More implementations for n8 pipeline. * config/nds32/nds32.md (pipeline_model): Add n8. * config/nds32/nds32.opt (mcpu): Support n8 pipeline cpus. * config/nds32/pipelines.md: Include n8 settings. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*): Add nds32-utils.o into extra_objs. * config/nds32/nds32-n9-2r1w.md: New file. * config/nds32/nds32-n9-3r2w.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type, nds32_mul_type, nds32_register_ports): New or modify for cpu n9. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n9 pipeline. * config/nds32/nds32-protos.h: More declarations for n9 pipeline. * config/nds32/nds32-utils.c: New file. * config/nds32/nds32.h (TARGET_PIPELINE_N9, TARGET_PIPELINE_SIMPLE, TARGET_MUL_SLOW): Define. * config/nds32/nds32.md (pipeline_model): New attribute. * config/nds32/nds32.opt (mcpu, mconfig-mul, mconfig-register-ports): New options that support cpu n9. * config/nds32/pipelines.md: Include n9 settings. * config/nds32/t-nds32 (nds32-utils.o): Add dependency. 2018-04-08 Chung-Ju Wu * config/nds32/nds32-md-auxiliary.c (output_cond_branch): Output align information if necessary. (output_cond_branch_compare_zero): Likewise. * config/nds32/nds32.c (nds32_adjust_insn_length): Consider align case. (nds32_target_alignment): Refine for alignment. * config/nds32/nds32.h (NDS32_ALIGN_P): Define. (FUNCTION_BOUNDARY): Modify. * config/nds32/nds32.md (call_internal, call_value_internal): Consider align case. * config/nds32/nds32.opt (malways-align, malign-functions): New. 2018-04-08 Monk Chiang * config/nds32/constants.md (unspec_volatile_element): Add values for TLB operation and data prefetch. * config/nds32/nds32-intrinsic.c: Implementation of intrinsic functions for TLB operation and data prefetch. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.c (nds32_dpref_names): Likewise. (nds32_print_operand): Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. 2018-04-07 Thomas Koenig Andrew Pinski PR middle-end/82976 * match.pd: Use constant_boolean_node of correct type instead of boolean_true_node or boolean_false_node for simplifying pointer comparisons to zero. 2018-04-07 Jakub Jelinek PR tree-optimization/80021 * tree.c (verify_type_variant): Make error call in verify_variant_match translatable and remove final full stop. 2018-04-07 Chung-Ju Wu * config/nds32/constants.md (unspec_volatile_element): Add UNSPEC_VOLATILE_EH_RETURN. * config/nds32/nds32-md-auxiliary.c (nds32_output_stack_push, nds32_output_stack_pop): Support dwarf exception handling process. * config/nds32/nds32-protos.h (nds32_dynamic_chain_address): Declare. * config/nds32/nds32.c (nds32_init_machine_status): Support dwarf exception handling process. (nds32_compute_stack_frame): Likewise. (nds32_return_addr_rtx): Likewise. (nds32_initial_elimination_offset): Likewise. (nds32_expand_prologue): Likewise. (nds32_expand_epilogue): Likewise. (nds32_dynamic_chain_address): New function. * config/nds32/nds32.h (machine_function): Add fields for dwarf exception handling. (DYNAMIC_CHAIN_ADDRESS): Define. (EH_RETURN_DATA_REGNO): Define. (EH_RETURN_STACKADJ_RTX): Define. * config/nds32/nds32.md (eh_return, nds32_eh_return): Implement patterns for dwarf exception handling. 2018-04-07 Chung-Ju Wu * config/nds32/nds32.h: Clean up obsolete macros. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_element, unspec_volatile_element): Add enum values for particular instructions. * config/nds32/nds32-intrinsic.c: Implementation of expanding particular intrinsic functions. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. * config/nds32/nds32.md (type): Add pbsad and pbsada. (btst, ave): New patterns for particular instructions. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_element, unspec_volatile_element): Add enum values for atomic load/store and memory sync. * config/nds32/nds32-intrinsic.c: Implementation for atomic load/store and memory sync. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. 2018-04-07 Jakub Jelinek PR tree-optimization/85257 * fold-const.c (native_encode_vector): If not all elts could fit and off is -1, return 0 rather than offset. * tree-ssa-sccvn.c (vn_reference_lookup_3): Pass (offseti - offset2) / BITS_PER_UNIT as 4th argument to native_encode_expr. Verify len * BITS_PER_UNIT >= maxsizei. Don't adjust buffer in native_interpret_expr call. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_volatile_element): Add cache control enum values. * config/nds32/nds32-intrinsic.c: Add cache control expand functions. * config/nds32/nds32-intrinsic.md: Add cache control patterns. * config/nds32/nds32.c (nds32_cctl_names): New. (nds32_print_operand): Handle cache control register names. * config/nds32/nds32.h (nds32_builtins): New enum values. * config/nds32/nds32_intrinsic.h: Add cache control enum types and macros. * config/nds32/nds32.md (type): Add mmu. * config/nds32/pipelines.md (simple_insn): Add mmu. 2018-04-07 Chung-Ju Wu * config/nds32/nds32.md (type): Remove call. * config/nds32/pipelines.md (simple_insn): Likewise. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_volatile_element): Add UNSPEC_VOLATILE_FMFCSR, UNSPEC_VOLATILE_FMTCSR and UNSPEC_VOLATILE_FMFCFG. * config/nds32/nds32-intrinsic.c (bdesc_noarg): New builtin description for fmfcfg and fmfcsr. (bdesc_1arg): Add fmtcsr. (bdesc_2arg): Add fcpynss, fcpyss, fcpynsd and fcpysd. (nds32_expand_builtin_impl): Deal with FPU intrinsic functions. * config/nds32/nds32-intrinsic.md (unspec_fcpynsd, unspec_fcpysd, unspec_fcpynss, unspec_fcpysd, unspec_fcpyss, unspec_fmfcsr, unspec_fmfcfg): New patterns. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_FMFCFG, NDS32_BUILTIN_FMFCSR, NDS32_BUILTIN_FMTCSR, NDS32_BUILTIN_FCPYNSS, NDS32_BUILTIN_FCPYSS,NDS32_BUILTIN_FCPYNSD and NDS32_BUILTIN_FCPYSD. * config/nds32/nds32_intrinsic.h (__nds32__fcpynsd, __nds32__fcpynss, __nds32__fcpysd, __nds32__fcpyss, __nds32__fmfcsr, __nds32__fmtcsr, __nds32__fmfcfg): Define. 2018-04-07 Monk Chiang * config/nds32/nds32.c (nds32_intrinsic_register_names): Add more intrinsic register names. * config/nds32/nds32_intrinsic.h (nds32_intrinsic_registers): Add more intrinsic register enum values and macros. 2018-04-07 Chung-Ju Wu * config/nds32/nds32.c (nds32_legitimate_index_p): Modify condition for load/store addressing form. (nds32_print_operand_address): Likewise. 2018-04-06 Eric Botcazou PR target/85196 * config/sparc/sparc.c (sparc_expand_move): Deal with symbolic operands based on LABEL_REF. Remove useless assertion. (pic_address_needs_scratch): Fix formatting. (sparc_legitimize_pic_address): Minor tweaks. (sparc_delegitimize_address): Adjust assertion accordingly. * config/sparc/sparc.md (movsi_pic_label_ref): Change label_ref_operand into symbolic_operand. (movsi_high_pic_label_ref): Likewise. (movsi_lo_sum_pic_label_ref): Likewise. (movdi_pic_label_ref): Likewise. (movdi_high_pic_label_ref): Likewise. (movdi_lo_sum_pic_label_ref): Likewise. 2018-04-06 Amaan Cheval * config.gcc (x86_64-*-rtems*): Add rtems.h to tm_file for custom LIB_SPEC setup. 2018-04-06 Ruslan Bukin Kito Cheng * config.gcc (riscv*-*-freebsd*): Add RISC-V FreeBSD support. * config/riscv/freebsd.h: New. 2018-04-06 Chung-Ju Wu * config/nds32/nds32.c (nds32_adjust_insn_length): Refine. * config/nds32/nds32.h (ADJUST_INSN_LENGTH): Change the location in file. 2018-04-06 Chung-Ju Wu Kito Cheng * config/nds32/nds32-md-auxiliary.c (nds32_output_return, nds32_output_call, nds32_symbol_binds_local_p): New functions. * config/nds32/nds32-protos.h (nds32_output_call, nds32_output_return): Declare. * config/nds32/nds32.md: Refine all the call and return patterns. 2018-04-06 Jakub Jelinek PR debug/85252 * dwarf2out.c (rtl_for_decl_init): For STRING_CST initializer only build CONST_STRING if TYPE_MAX_VALUE is non-NULL and is INTEGER_CST. PR rtl-optimization/84872 * cfgloopmanip.c (create_preheader): Use make_forwarder_block even if nentry == 1 when CP_FALLTHRU_PREHEADERS and single_entry is EDGE_CROSSING edge. 2018-04-06 Tamar Christina * expr.c (copy_blkmode_to_reg): Revert 254862. * doc/sourcebuild.texi (word_mode_no_slow_unalign): Likewise. 2018-04-06 Richard Biener PR middle-end/85244 * tree-dfa.c (get_ref_base_and_extent): Reset seen_variable_array_ref after seeing a component reference with an adjacent field. Treat refs to arrays at struct end of external decls similar to refs to unconstrained commons. 2018-04-06 Jakub Jelinek PR sanitizer/85213 * fold-const.c (twoval_comparison_p): Remove SAVE_P argument and don't look through SAVE_EXPRs with non-side-effects argument. Adjust recursive calls. (fold_comparison): Adjust twoval_comparison_p caller, don't handle save_p here. 2018-04-06 Richard Biener PR middle-end/85180 * alias.c (find_base_term): New wrapper around find_base_term unwinding CSELIB_VAL_PTR changes. (find_base_term): Do not restore CSELIB_VAL_PTR during the recursion. 2018-04-06 Andreas Krebbel * config/s390/s390.c (s390_z10_optimize_cmp): Expand dedicated NOP instructions. * config/s390/s390.md (UNSPECV_NOP_LR_0, UNSPECV_NOP_LR_1): New constant definitions. ("nop"): lr 0,0 -> nopr r0 ("nop_lr0", "nop_lr1"): New insn definitions. 2018-04-06 Chung-Ju Wu * config/nds32/nds32.md (*stack_push, *stack_pop): Use NDS32_V3PUSH_AVAILABLE_P macro. 2018-04-06 Monk Chiang Chung-Ju Wu * config.gcc (nds32*-*-*): Add v2j v3f v3s checking. (nds32*-*-*): Add float and fpu_config into supported_defaults. * common/config/nds32/nds32-common.c (TARGET_DEFAULT_TARGET_FLAGS): Include TARGET_DEFAULT_FPU_ISA and TARGET_DEFAULT_FPU_FMA. * config/nds32/constants.md (unspec_element): Add UNSPEC_COPYSIGN, UNSPEC_FCPYNSD, UNSPEC_FCPYNSS, UNSPEC_FCPYSD and UNSPEC_FCPYSS. * config/nds32/constraints.md: New constraints and checking for hard float configuration. * config/nds32/iterators.md: New mode iterator and attribute for hard float configuration. * config/nds32/nds32-doubleword.md: Use hard float alternatives and patterns. * config/nds32/nds32-fpu.md: New file. * config/nds32/nds32-md-auxiliary.c: New functions and checkings to deal with hard float code generation. * config/nds32/nds32-opts.h (nds32_arch_type): Add ARCH_V3F and ARCH_V3S. (abi_type, float_reg_number): New enum type. * config/nds32/nds32-predicates.c: New predicates for hard float. * config/nds32/nds32-protos.h: Declare functions for hard float. * config/nds32/nds32.c: Implementation for hard float configuration. * config/nds32/nds32.h: Definitions for hard float configuration. * config/nds32/nds32.md: Include hard float machine description and modify patterns for hard float configuration. * config/nds32/nds32.opt: New options for hard float configuration. * config/nds32/predicates.md: New predicates for hard float configuration. 2018-04-06 Kuan-Lin Chen * common/config/nds32/nds32-common.c (nds32_option_optimization_table): Enable -mreleax-hint by default. 2018-04-05 Jakub Jelinek PR middle-end/85195 * match.pd (BIT_FIELD_REF CONSTRUCTOR@0 @1 @2): Use view_convert around CONSTRUCTOR_ELT (ctor, ...)->value. 2018-04-05 Uros Bizjak PR target/85193 * config/i386/i386.md (define_attr "memory"): Handle rotate1 type. 2018-04-05 Tom de Vries PR target/85204 * config/nvptx/nvptx.c (nvptx_single): Fix neutering of bb with only cond jump. 2018-04-05 Shiva Chen Kito Cheng * config/nds32/constraints.md (U33): Fine-tune checking condition. * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Ditto. * config/nds32/nds32.h (nds32_16bit_address_type): Add ADDRESS_POST_MODIFY_LO_REG_IMM3U. 2018-04-05 Shiva Chen Kito Cheng * config/nds32/constraints.md (Ufe): New memory constraint. * config/nds32/nds32-md-auxiliary.c (nds32_mem_format, nds32_output_16bit_load): Consider r8 register for lwi45.fe format. * config/nds32/nds32.c (nds32_print_operand): Output lwi45.fe operands. * config/nds32/nds32.h (nds32_16bit_address_type): Add ADDRESS_R8_IMM7U. * config/nds32/nds32.md (*mov): Adjust pattern. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md: Use optimize_size in the condition for alu-shift instructions. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (divsi4, udivsi4): New patterns. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (negsi2): Refine pattern. 2018-04-05 Kito Cheng Chung-Ju Wu * config/nds32/iterators.md (shift_rotate): New code iterator. (shift): New code attribute. * config/nds32/nds32-md-auxiliary.c (nds32_expand_constant): New. * config/nds32/nds32-protos.h (nds32_expand_constant): Declare. * config/nds32/nds32.c (nds32_print_operand): Deal with more cases. * config/nds32/nds32.md (addsi3, *add_srli): Refine implementation for bit-wise operations. (andsi3, *andsi3): Ditto. (iorsi3, *iorsi3, *or_slli, *or_srli): Ditto. (xorsi3, *xorsi3, *xor_slli, *xor_srli): Ditto. (si3, *ashlsi3, *ashrsi3, *lshrsi3, *rotrsi3): Ditto. * config/nds32/predicates.md (nds32_rimm5u_operand, nds32_and_operand, nds32_ior_operand, nds32_xor_operand): New predicates. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (add3, sub3): Rename to ... (addsi3, subsi3): ... this. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (*sub_srli, *and_slli): Fine-tune predicator. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md: Adjust indention. 2018-04-05 Kito Cheng * config/nds32/nds32.md (feature): New attribute. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (subtype): New attribute. 2018-04-04 Thomas Preud'homme PR target/85203 * config/arm/arm-builtins.c (arm_expand_builtin): Change expansion to perform a bitwise AND of the argument followed by a boolean negation of the result. 2018-04-04 Peter Bergner PR rtl-optimization/84878 * ddg.c (add_cross_iteration_register_deps): Use DF_REF_BB to determine the basic block. Assert the use reference is not artificial and that it has an associated insn. 2018-04-04 Michael Matz * builtins.c (compute_objsize): Pass correct operand to array_at_struct_end_p. 2018-04-04 Richard Biener PR lto/85176 * dwarf2out.c (dwarf2out_register_external_die): Peel namespaces from contexts for DINFO_LEVEL_TERSE and below. 2018-04-04 Kito Cheng * config/nds32/nds32-doubleword.md (move_): Require resiter_operand condition. * config/nds32/nds32.md (*move): Ditto. 2018-04-04 Kito Cheng Monk Chiang * config/nds32/nds32.md (movmisalign): New pattern. 2018-04-04 Chung-Ju Wu * config/nds32/nds32.md (movqi, movhi): Merge into mov. 2018-04-04 Chung-Ju Wu Kito Cheng * config/nds32/nds32-md-auxiliary.c (nds32_inverse_cond_code, nds32_cond_code_str, output_cond_branch, output_cond_branch_compare_zero, nds32_expand_cbranch, nds32_expand_cstore, nds32_expand_movcc, nds32_output_cbranchsi4_equality_zero, nds32_output_cbranchsi4_equality_reg, nds32_output_cbranchsi4_equality_reg_or_const_int, nds32_output_cbranchsi4_greater_less_zero: New functions. * config/nds32/nds32-protos.h (nds32_expand_cbranch, nds32_expand_cstore, nds32_expand_movcc, nds32_output_cbranchsi4_equality_zero, nds32_output_cbranchsi4_equality_reg, nds32_output_cbranchsi4_equality_reg_or_const_int, nds32_output_cbranchsi4_greater_less_zero): Declare. * config/nds32/predicates.md (nds32_movecc_comparison_operator, nds32_rimm11s_operand): New predicates. * config/nds32/nds32.h (nds32_expand_result_type): New enum type. * config/nds32/nds32.md: Rewrite all the branch and conditional move patterns. 2018-04-04 Kito Cheng * config/nds32/nds32-doubleword.md: Refine all the instruction type. * config/nds32/nds32.md: Ditto. * config/nds32/pipelines.md: Ditto. 2018-04-04 Richard Biener PR tree-optimization/85168 * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Avoid propagating abnormals. 2018-04-04 Chung-Ju Wu * config/nds32/nds32.md (enabled): Use yes/no for this attribute. 2018-04-04 Chung-Ju Wu Kito Cheng * config/nds32/nds32-md-auxiliary.c (nds32_long_call_p): New function. * config/nds32/nds32-protos.h (nds32_long_call_p): Declare. * config/nds32/nds32.c (nds32_function_ok_for_sibcall): New function. (TARGET_FUNCTION_OK_FOR_SIBCALL): Define. * config/nds32/nds32.md (sibcall_internal): New. (sibcall_register): Remove. (sibcall_immediate): Remove. (sibcall_value_internal): New. (sibcall_value_register): Remove. (sibcall_value_immediate): Remove. * config/nds32/predicates.md (nds32_general_register_operand): New. (nds32_call_address_operand): New. 2018-04-03 Jakub Jelinek PR rtl-optimization/85167 * shrink-wrap.c (move_insn_for_shrink_wrap): Don't set bb_uses and bb_defs if *split_p, instead preinitialize it to NULL. PR tree-optimization/85156 * builtins.c (fold_builtin_expect): Use save_expr on arg1 to avoid evaluating the argument multiple times. 2018-04-03 Bill Schmidt * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Use __vector rather than vector. (_mm_cvtpd_ps): Likewise. (_mm_cvttpd_epi32): Likewise. * config/rs6000/mmintrin.h (_mm_unpacklo_pi8): Likewise. * config/rs6000/xmmintrin.h: For strict-ANSI C++ or C11, undefine vector, pixel, and bool following altivec.h include. 2018-04-03 Martin Sebor * doc/extend.texi (Common Function Attributes): Clarify. (const attribute): Likewise. (pure attribute): Likewise. 2018-04-03 Jakub Jelinek PR target/85169 * config/i386/i386.c (ix86_expand_vector_set): Use HOST_WIDE_INT_1U << elt instead of 1 << elt. Formatting fix. 2018-04-03 Uros Bizjak * config/i386/i386.c (emit_i387_cw_initialization): Always use logic instructions when changing rounding bits to preserve precision bits in the x87 control word. 2018-04-03 Martin Liska PR tree-optimization/82491 * rtl.h (strip_offset_and_add): Replace += suboffset with poly_uint64 () + suboffset. 2018-03-29 Martin Liska Martin Jambor PR ipa/84947 * ipa-cp.c (propagate_bits_across_jump_function): Bail out if param_type is not an integral or pointer type. 2018-04-03 Richard Biener * sese.h (recompute_all_dominators): Remove. 2018-04-02 Martin Sebor * doc/invoke.texi (-Wrestrict): Fix typos. 2018-04-02 Jim Wilson * config/riscv/riscv.h (SHIFT_COUNT_TRUNCATED): Set to zero. * config/riscv/riscv.md (si3): Use QImode shift count. (di3, si3_extend): Likewise. (si3_mask, si3_mask_1): New. (di3_mask, di3_mask_1): New. (si3_extend_mask, si3_extend_mask_1): New. (lshrsi3_zero_extend_1): Use VOIDmode shift count. * config/riscv/sync.md (atomic_test_and_set): Emit QImode shift count. 2018-04-02 Gerald Pfeifer * doc/cpp.texi (Variadic Macros): Fix line continuation in an example. 2018-04-02 Chung-Ju Wu * config/nds32/nds32.c (TARGET_CANONICALIZE_COMPARISON): Define. (nds32_canonicalize_comparison): New function. 2018-04-01 Chung-Ju Wu Kito Cheng Kuan-Lin Chen * config.gcc (nds32): Add nds32-relax-opt.o into extra_objs. * config/nds32/constants.md (unspec_volatile_element): Add UNSPEC_VOLATILE_RELAX_GROUP. * config/nds32/nds32-relax-opt.c: New file. * config/nds32/nds32-predicates.c (nds32_symbol_load_store_p): New function. * config/nds32/nds32-protos.h (nds32_symbol_load_store_p): Declare function. (make_pass_nds32_relax_opt): Declare new rtl pass function. * config/nds32/nds32.c (nds32_register_pass): New function to register pass. (nds32_register_passes): New function to register passes. * config/nds32/nds32.md (relax_group): New pattern. * config/nds32/nds32.opt (mrelax-hint): New option. * config/nds32/t-nds32 (nds32-relax-opt.o): New dependency. 2018-04-01 Kito Cheng * config/nds32/t-nds32: Modify files dependency. 2018-04-01 Chung-Ju Wu * config/nds32/nds32.h (FUNCTION_PROFILER): Output newline character. (PROFILE_HOOK): Define its implementation. 2018-04-01 Chung-Ju Wu * config/nds32/nds32.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use unsigned int type and 32-bit size. 2018-04-01 Jakub Jelinek PR middle-end/85090 * config/i386/sse.md (V): Add V64QI and V32HI for TARGET_AVX512F. (V_128_256): New mode iterator. (*avx512dq_vextract64x2_1 splitter): New define_split. (*avx512f_vextract32x4_1 splitter): Likewise. (xop_pcmov_): Use V_128_256 mode iterator instead of V. * config/i386/i386.c (ix86_expand_vector_set): Improve V32HImode and V64QImode expansion for !TARGET_AVX512BW && TARGET_AVX512F. 2018-03-31 Segher Boessenkool PR target/83315 * config/rs6000/xmmintrin.h (_mm_set_ps, _mm_max_ps): Handle (quiet) NaN inputs correctly. 2018-03-30 Peter Bergner PR target/80546 * config/rs6000/vsx.md (??r): New mode attribute. (*vsx_mov_64bit): Use it. (*vsx_mov_32bit): Likewise. 2018-03-30 Martin Sebor PR tree-optimization/84818 * builtins.c (check_access): Use warning_n. 2018-03-30 Aaron Sawdey PR target/83822 * config/rs6000/rs6000-string.c (expand_compare_loop): Fix redundant condition. * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Fix redundant condition. 2018-03-30 Julia Koval PR target/84413 * x86-tune.def (movx, partial_reg_dependency): Enable for m_SKYLAKE_AVX512. 2018-03-29 Vladimir Makarov PR inline-asm/84985 * lra-constraints.c (process_alt_operands): Move setting this_alternative_matches below. 2018-03-29 Martin Liska PR lto/84995. * doc/invoke.texi: Document how LTO works with debug info. Describe auto-load support of binutils. Mention 'x86-64' as valid option value of -march option. 2018-03-29 Jakub Jelinek * config/i386/sse.md (_blendm): Use . PR c/85094 * fold-const.c (operand_equal_p): Handle DEBUG_BEGIN_STMT. For STATEMENT_LIST, pass down OEP_LEXICOGRAPHIC and maybe OEP_NO_HASH_CHECK for recursive call, to avoid exponential checking. 2018-03-28 Peter Bergner PR target/84912 * config/rs6000/rs6000.h (RS6000_BTM_POWERPC64): New define. (RS6000_BTM_COMMON): Add RS6000_BTM_POWERPC64. * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add support for RS6000_BTM_POWERPC64. (rs6000_invalid_builtin): Add handling for RS6000_BTM_POWERPC64 (rs6000_builtin_mask_names): Add RS6000_BTM_POWERPC64. * config/rs6000/rs6000-builtin.def (BU_P7_POWERPC64_MISC_2): New macro definition. (DIVDE): Use it. (DIVDEU): Likewise. 2018-03-28 Carl Love Revert 2017-09-27 Carl Love * config/rs6000/rs6000-builtin.def (BU_FP_1MISC_1): Add define macro. (FCTID, FCTIW): Add BU_FP_MISC_1 macro expansion for builtins. * config/rs6000/rs6000.md (lrintsfsi2): Add define_insn for the fctiw instruction. 2018-03-28 Bill Schmidt * config/rs6000/xmmintrin.h (_mm_max_pi16): Use __vector __bool instead of __vector bool. (_mm_max_pu8): Likewise. (_mm_min_pi16): Likewise. 2018-03-28 Peter Bergner PR target/84912 * config/rs6000/rs6000-builtin.def (DIVWEO): Delete macro expansion. (DIVWEUO): Likewise. (DIVDEO): Likewise. (DIVDEUO): Likewise. * config/rs6000/rs6000.c (builtin_function_type): Remove support for DIVWEUO and DIVDEUO. * config/rs6000/rs6000.md (UNSPEC_DIVEO, UNSPEC_DIVEUO): Delete unspecs. (UNSPEC_DIV_EXTEND): Remove deleted unspecs. (div_extend): Likewise. * doc/extend.texi (__builtin_divweo): Remove documentation for deleted builtin function. (__builtin_divweuo): Likewise. (__builtin_divdeo): Likewise. (__builtin_divdeuo): Likewise. 2018-03-28 Jakub Jelinek PR target/85095 * config/i386/i386.md (*add3_carry_0, *addsi3_carry_zext_0, *sub3_carry_0, *subsi3_carry_zext_0): New patterns. PR tree-optimization/82004 * gimple-match-head.c (optimize_pow_to_exp): New function. * match.pd (pow(C,x) -> exp(log(C)*x)): Wrap with #if GIMPLE. Don't fold to exp if optimize_pow_to_exp is false. 2018-03-28 Martin Liska PR other/84819 * calls.c (initialize_argument_information): Fix trailing space. * common.opt: Fix typo and provide better explanation for -fsanitize-coverage option. * config/i386/i386.opt: Fix typo. 2018-03-28 Jakub Jelinek Martin Liska PR sanitizer/85081 * gimplify.c (asan_poison_variable): Don't do the check for gimplify_omp_ctxp here. (gimplify_decl_expr): Do it here. (gimplify_target_expr): Likewise. 2018-03-28 Martin Liska PR target/84988 * config/i386/i386.c (ix86_function_arg_advance): Do not call chkp_type_bounds_count if MPX is not enabled. 2018-03-27 Chung-Ju Wu * config/nds32/nds32.h (BRANCH_COST): Adjust cost. 2018-03-27 Michael Meissner PR target/84914 * config/rs6000/rs6000.c (create_complex_muldiv): New helper function to create the function decl for complex long double multiply and divide for -mabi=ieeelongdouble. (init_float128_ieee): Call it. 2018-03-27 H.J. Lu PR target/85044 * config/i386/i386.c (ix86_trampoline_init): Insert ENDBR for -fcf-protection=branch -mibt. * config/i386/i386.h (TRAMPOLINE_SIZE): Increased by 4 bytes. 2018-03-27 Ramana Radhakrishnan PR target/81863 * config/arm/arm.c (arm_valid_symbolic_address): Handle arm_word_relocations. 2018-03-27 Cesar Philippidis PR target/85056 * config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Add '[]' to extern array declarations. 2018-03-27 Richard Biener PR middle-end/84067 * match.pd ((A * C) +- (B * C) -> (A+-B) * C): Guard with explicit single_use checks. 2018-03-27 Richard Biener PR tree-optimization/85082 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_for_pieces): Valueize the VUSE. 2018-03-27 Ramana Radhakrishnan * config.gcc (aarch64*-*-linux*): New TARGET_DEFAULT_ASYNC_UNWIND_TABLES * common/config/aarch64/aarch64-common.c (aarch64_optimization_table[]): Turn on fasynchronous-unwind-tables and funwind-tables. 2018-03-26 Uros Bizjak PR target/85073 * config/i386/i386.md (*bmi_blsr__cmp): New insn pattern. (*bmi_blsr__ccz): Ditto. 2018-03-26 Tom de Vries PR tree-optimization/85063 * omp-general.c (offloading_function_p): New function. Factor out of ... * omp-offload.c (pass_omp_target_link::gate): ... here. * omp-general.h (offloading_function_p): Declare. * tree-switch-conversion.c (build_one_array): Mark CSWTCH.x variable with attribute omp declare target for offloading functions. 2018-03-24 Richard Sandiford PR tree-optimization/84005 * tree-data-ref.h (get_base_for_alignment): Declare. * tree-data-ref.c (get_base_for_alignment_1): New function. (get_base_for_alignment): Likewise. * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use get_base_for_alignment to find a suitable base object, instead of always using drb->base_address. 2018-03-23 Jakub Jelinek PR inline-asm/85022 * emit-rtl.c (init_emit_regs): Indicate that VOIDmode MEMs don't have known size by default. 2018-03-23 Vladimir Makarov PR inline-asm/85030 * lra-constraints.c (process_alt_operands): Don't match BLKmode and non BLKmode operands. 2018-03-23 Kyrylo Tkachov PR target/85026 * config/arm/arm.md (unaligned_loadhis): Remove first alternative. Clean up attributes. 2018-03-23 Richard Biener PR debug/85020 * dwarf2out.c (rtl_for_decl_location): Do not generate RTL early when we are going to emit early debug for LTO. 2018-03-23 Jakub Jelinek PR inline-asm/85034 * function.c (match_asm_constraints_1): Don't optimize if input doesn't satisfy general_operand predicate for output's mode. PR inline-asm/85022 * alias.c (write_dependence_p): Don't require for x_canonicalized non-VOIDmode if x has VOIDmode. PR sanitizer/85029 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): If DECL_REGISTER (base), just don't try to optimize it rather than assert it never happens. 2018-03-22 Kelvin Nilsen * config/rs6000/rs6000-builtin.def: Remove various BU_ALTIVEC_X macro expansions for definition of ST_INTERNAL_ and LD_INTERNAL_ builtins. * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): Remove prototype. * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Delete this function. (altivec_expand_st_builtin): Likewise. (altivec_expand_builtin): Remove calls to deleted functions. (rs6000_address_for_altivec): Delete this function. * config/rs6000/vector.md: Remove expands for vector_altivec_load_ and vector_altivec_store_. 2018-03-22 Sudakshina Das PR target/84826 * config/arm/arm.h (machine_function): Add static_chain_stack_bytes. * config/arm/arm.c (arm_compute_static_chain_stack_bytes): Avoid re-computing once computed. (arm_expand_prologue): Compute machine->static_chain_stack_bytes. (arm_init_machine_status): Initialize machine->static_chain_stack_bytes. 2018-03-22 Kelvin Nilsen PR target/84760 * doc/extend.texi: Add four new prototypes for vec_ld. * config/rs6000/rs6000-builtin.def (LVX_V1TI): Reorder symbol definitions for more logical presentation. * config/rs6000/rs6000-c.c: (altivec_overloaded_builtins): Add entries for V1TI variants of __builtin_altivec_ld builtin. * config/rs6000/rs6000.c: (altivec_expand_lv_builtin): Add test and handling of V1TI variant of LVX icode pattern. (altivec_expand_builtin): Add case for ALTIVEC_BUILTIN_LVX_V1TI. (rs6000_gimple_fold_builtin): Likewise. (altivec_init_builtins): Add code to define __builtin_altivec_lvx_v1ti function. 2018-03-22 Jakub Jelinek PR inline-asm/84941 * function.c (match_asm_constraints_1): Don't do the optimization if input isn't a REG, SUBREG, MEM or constant. 2018-03-22 Tom de Vries PR tree-optimization/84956 * tree-ssa-tail-merge.c (find_clusters_1): Skip bbs with bb_has_abnormal_pred. 2018-03-22 Jakub Jelinek PR sanitizer/85018 * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_INITIAL (decl) to decl at the end. * varasm.c (use_blocks_for_decl_p): Revert the 2018-03-20 change, adjust the comment. 2018-03-21 Joseph Myers * doc/extend.texi (__builtin_tgmath): Document when complex integer types are treated as _Complex _Float64. 2018-03-21 Tom de Vries * doc/extend.texi (__builtin_extend_pointer): Remove pasto. 2018-03-21 Jakub Jelinek PR tree-optimization/84960 * tree-cfg.c (remove_bb): Don't move forced labels into bb->prev_bb if it is ENTRY block, move them into single succ of ENTRY in that case. 2018-03-21 Richard Sandiford PR tree-optimization/84811 * poly-int.h (poly_span_traits): Remove the T3 parameter and promote HOST_WIDE_INT T2 - T1 results to unsigned HOST_WIDE_INT. (maybe_in_range_p, known_in_range_p, ranges_known_overlap_p): (known_subrange_p): Update accordingly. Cast each value involved in the size comparison, rather than casting the result of the subtraction. 2018-03-21 Jakub Jelinek PR tree-optimization/84982 * gimple-ssa-store-merging.c (invert_op): Handle boolean inversion by flipping the least significant bit rather than all bits from bitpos to bitpos + bitsize - 1. 2018-03-21 Nathan Sidwell * doc/extend.texi (Deprecated Features): Remove mention of long-deleted deprecations. 2018-03-21 Rainer Orth PR jit/84288 * configure.ac (gcc_cv_ld_soname) <*-*-solaris2*>: Set. * configure: Regenerate. 2018-03-21 Tom de Vries PR tree-optimization/83126 * tree-parloops.c (num_phis): New function. (gen_parallel_loop): Detect and handle canonicalize_loop_ivs failure. 2018-03-21 Nathan Sidwell * doc/extend.texi (Deprecated Features): Update deprecated flags, mention anon-struct/union members and trailing attributes. 2018-03-21 Bin Cheng PR tree-optimization/84969 * tree-loop-distribution.c (fuse_memset_builtins): Don't reorder builtin memset partitions if they set different rhs values. 2018-03-21 Jakub Jelinek PR rtl-optimization/84989 * simplify-rtx.c (simplify_unary_operation_1): Don't try to simplify VEC_DUPLICATE with scalar result mode. 2018-03-21 Martin Liska PR ipa/84963 * ipa-icf.c (sem_item_optimizer::fixup_points_to_sets): Remove not intended return statement. 2018-03-21 Martin Liska PR target/84988 * tree-chkp.c (CHKP_ARRAY_MAX_CHECK_STEPS): Define a new macro. (chkp_find_bound_slots_1): Limit number of iterations. 2018-03-20 David H. Gutteridge PR target/84838 * Minor grammar fixes for x86 options. 2018-03-20 Jakub Jelinek PR debug/84875 * dce.c (delete_unmarked_insns): Don't remove frame related noop moves holding REG_CFA_RESTORE notes, instead turn them into a USE. 2018-03-20 Peter Bergner PR target/83789 * config/rs6000/altivec.md (altivec_lvx__2op): Delete define_insn. (altivec_lvx__1op): Likewise. (altivec_stvx__2op): Likewise. (altivec_stvx__1op): Likewise. (altivec_lvx_): New define_expand. (altivec_stvx_): Likewise. (altivec_lvx__2op_): New define_insn. (altivec_lvx__1op_): Likewise. (altivec_stvx__2op_): Likewise. (altivec_stvx__1op_): Likewise. * config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Use new expanders. (rs6000_gen_lvx): Likewise. * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Likewise. (altivec_expand_stv_builtin): Likewise. (altivec_expand_builtin): Likewise. * config/rs6000/vector.md: Likewise. 2018-03-20 Kyrylo Tkachov PR target/82518 * config/arm/arm.c (arm_array_mode_supported_p): Return false for BYTES_BIG_ENDIAN. 2018-03-20 Richard Biener PR target/84986 * config/i386/i386.c (ix86_add_stmt_cost): Only cost sign-conversions as zero, fall back to standard scalar_stmt cost for the rest. 2018-03-20 Martin Liska PR ipa/84825 * predict.c (rebuild_frequencies): Handle case when we have PROFILE_ABSENT, but flag_guess_branch_prob is false. 2018-03-20 Jakub Jelinek PR target/84990 * dwarf2asm.c (dw2_output_indirect_constant_1): Temporarily turn off flag_section_anchors. * varasm.c (use_blocks_for_decl_p): Remove hack for dw2_force_const_mem. PR target/84845 * config/aarch64/aarch64.md (*aarch64_reg_3_neg_mask2): Rename to ... (*aarch64__reg_3_neg_mask2): ... this. If pseudos can't be created, use lowpart_subreg of operands[0] rather than operands[0] itself. (*aarch64_reg_3_minus_mask): Rename to ... (*aarch64_ashl_reg_3_minus_mask): ... this. (*aarch64__reg_di3_mask2): Use const_int_operand predicate and n constraint instead of aarch64_shift_imm_di and Usd. (*aarch64_reg__minus3): Rename to ... (*aarch64__reg_minus3): ... this. 2018-03-20 Sudakshina Das PR target/82989 * config/arm/neon.md (ashldi3_neon): Update ?s for constraints to favor GPR over NEON registers. (di3_neon): Likewise. 2018-03-20 Tom de Vries PR target/84952 * config/nvptx/nvptx.c (nvptx_single): Don't neuter bar.sync. (nvptx_process_pars): Emit bar.sync asap and alap. 2018-03-20 Tom de Vries PR target/84954 * config/nvptx/nvptx.c (prevent_branch_around_nothing): Also update seen_label if seen_label is already set. 2018-03-20 Jakub Jelinek PR target/84945 * config/i386/i386.c (fold_builtin_cpu): For features above 31 use __cpu_features2 variable instead of __cpu_model.__cpu_features[0]. Use 1U instead of 1. Formatting fixes. PR c/84953 * builtins.c (fold_builtin_strpbrk): For strpbrk(x, "") use type instead of TREE_TYPE (s1) for the return value. 2018-03-19 Jakub Jelinek PR tree-optimization/84946 * gimple-ssa-store-merging.c (mem_valid_for_store_merging): Compute bitsize + bitsize in poly_uint64 rather than poly_int64. PR sanitizer/78651 * dwarf2asm.c: Include fold-const.c. (dw2_output_indirect_constant_1): Set DECL_INITIAL (decl) to ADDR_EXPR of decl rather than decl itself. PR rtl-optimization/84643 * memmodel.h (enum memmodel): Add MEMMODEL_MAX enumerator. 2018-03-19 Maxim Ostapenko PR sanitizer/78651 * dwarf2asm.c (dw2_output_indirect_constant_1): Disable ASan before calling assemble_variable. 2018-03-19 Sudakshina Das PR target/81647 * config/aarch64/aarch64-simd.md (vec_cmp): Modify instructions for UNLT, UNLE, UNGT, UNGE, UNEQ, UNORDERED and ORDERED. 2018-03-19 Jim Wilson PR bootstrap/84856 * config/riscv/riscv.c (riscv_function_arg_boundary): Use PREFERRED_STACK_BOUNDARY instead of STACK_BOUNDARY. (riscv_first_stack_step): Likewise. (riscv_option_override): Use STACK_BOUNDARY instead of MIN_STACK_BOUNDARY. * config/riscv/riscv.h (STACK_BOUNDARY): Renamed from MIN_STACK_BOUNDARY. (BIGGEST_ALIGNMENT): Set to 128. (PREFERRED_STACK_BOUNDARY): Renamed from STACK_BOUNDARY. (RISCV_STACK_ALIGN): Use PREFERRED_STACK_BOUNDARY instead of STACK_BOUNDARY. 2018-03-19 Richard Biener PR tree-optimization/84933 * tree-vrp.c (set_and_canonicalize_value_range): Treat out-of-bound values as -INF/INF when canonicalizing an ANTI_RANGE to a RANGE. 2018-03-19 Richard Biener PR tree-optimization/84859 * tree-ssa-phiopt.c (single_trailing_store_in_bb): New function. (cond_if_else_store_replacement): Perform sinking operation on single-store BBs regardless of MAX_STORES_TO_SINK setting. Generalize what a BB with a single eligible store is. 2018-03-19 Richard Biener PR tree-optimization/84929 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Guard chrec_is_positive against non-chrec arg. 2018-03-19 Tamar Christina PR target/84711 * config/arm/arm.c (arm_can_change_mode_class): revert r258554. 2018-03-18 Martin Liska PR rtl-optimization/84635 * regrename.c (build_def_use): Use matches_mode only when matches >= 0. 2018-03-18 Richard Sandiford PR tree-optimization/84913 * tree-vect-loop.c (vectorizable_reduction): Don't try to vectorize chains of COND_EXPRs. 2018-03-18 Chung-Ju Wu * config/nds32/nds32.h (MAX_REGS_PER_ADDRESS): Fix the value. 2018-03-18 Chung-Ju Wu * config/nds32/nds32.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Define. 2018-03-18 Chung-Ju Wu * config/nds32/nds32.h (CLZ_DEFINED_VALUE_AT_ZERO): Define. 2018-03-17 Chung-Ju Wu Kito Cheng * config/nds32/nds32-protos.h (nds32_adjust_reg_alloc_order): Declare. * config/nds32/nds32.c (nds32_reg_alloc_order_for_speed): New array. (nds32_adjust_reg_alloc_order): New function. * config/nds32/nds32.h (ADJUST_REG_ALLOC_ORDER): Define. 2018-03-17 Kito Cheng * config/nds32/nds32.c (nds32_asm_output_mi_thunk, nds32_print_operand, nds32_print_operand_address): Use HOST_WIDE_INT_PRINT_DEC instead. 2018-03-17 Chung-Ju Wu * config/nds32/nds32.c (nds32_register_priority): Modify cost. 2018-03-17 Jakub Jelinek PR target/84902 * config/i386/i386.c (initial_ix86_tune_features, initial_ix86_arch_features): Use unsigned HOST_WIDE_INT rather than unsigned long long. (set_ix86_tune_features): Change ix86_tune_mask from unsigned int to unsigned HOST_WIDE_INT, initialize to HOST_WIDE_INT_1U << ix86_tune rather than 1u << ix86_tune. Formatting fix. (ix86_option_override_internal): Change ix86_arch_mask from unsigned int to unsigned HOST_WIDE_INT, initialize to HOST_WIDE_INT_1U << ix86_arch rather than 1u << ix86_arch. (ix86_function_specific_restore): Likewise. 2018-03-16 Jakub Jelinek PR target/84899 * postreload.c (reload_combine_recognize_pattern): Perform INTVAL addition in unsigned HOST_WIDE_INT type to avoid UB and truncate_int_for_mode the result for the destination's mode. PR c/84909 * hsa-gen.c (mem_type_for_type): Fix comment typo. * tree-vect-loop-manip.c (vect_create_cond_for_niters_checks): Likewise. * gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset): Likewise. 2018-03-16 Vladimir Makarov PR target/84876 * lra-assigns.c (lra_split_hard_reg_for): Don't use regno_allocno_class_array and sorted_pseudos. * lra-constraints.c (spill_hard_reg_in_range): Ignore hard regs in insns where regno is used. 2018-03-16 Martin Liska PR ipa/84833 * multiple_target.c (create_dispatcher_calls): Redirect reference in the symbol table. 2018-03-16 Martin Liska PR ipa/84722 * multiple_target.c (create_dispatcher_calls): Redirect also an alias. 2018-03-16 Jakub Jelinek PR c++/79937 PR c++/82410 * tree.h (TARGET_EXPR_NO_ELIDE): Define. * gimplify.c (gimplify_modify_expr_rhs): Don't elide TARGET_EXPRs with TARGET_EXPR_NO_ELIDE flag set unless *expr_p is INIT_EXPR. 2018-03-16 Julia Koval * doc/invoke.texi (Skylake Server): Add CLWB. Cannonlake): Remove CLWB. 2018-03-16 Jakub Jelinek PR tree-optimization/84841 * tree-ssa-reassoc.c (INTEGER_CONST_TYPE): Change to 1 << 4 from 1 << 3. (FLOAT_ONE_CONST_TYPE): Define. (constant_type): Return FLOAT_ONE_CONST_TYPE for -1.0 and 1.0. (sort_by_operand_rank): Put entries with higher constant_type last rather than first to match comments. 2018-03-15 Sandra Loosemore * config/nios2/nios2.md (movsi_internal): Fix thinko in split predicate. 2018-03-15 Jakub Jelinek PR c++/79085 * calls.c (expand_call): For TREE_ADDRESSABLE rettype ignore alignment check and use address of target always. 2018-03-15 H.J. Lu PR target/84574 * config/i386/i386.c (indirect_thunk_needed): Update comments. (indirect_thunk_bnd_needed): Likewise. (indirect_thunks_used): Likewise. (indirect_thunks_bnd_used): Likewise. (indirect_return_needed): New. (indirect_return_bnd_needed): Likewise. (output_indirect_thunk_function): Add a bool argument for function return. (output_indirect_thunk_function): Don't generate alias for function return thunk. (ix86_code_end): Call output_indirect_thunk_function to generate function return thunks. (ix86_output_function_return): Set indirect_return_bnd_needed and indirect_return_needed instead of indirect_thunk_bnd_needed and indirect_thunk_needed. 2018-03-15 Olga Makhotina * config/i386/sgxintrin.h (_enclv_u32): New intrinsic. (__enclv_bc, __enclv_cd, __enclv_generic): New definitions. (ERDINFO, ETRACKC, ELDBC, ELDUC): New leaves. 2018-03-15 David Malcolm Paul Hua PR c/84852 * gcc.dg/fixits-pr84852-1.c: Fix filename in dg-regexp. 2018-03-15 Segher Boessenkool * config/rs6000/rs6000.c (abi_v4_pass_in_fpr): Add back the TARGET_DOUBLE_FLOAT and TARGET_SINGLE_FLOAT conditions on the DFmode resp. SFmode cases. 2018-03-15 Tamar Christina PR target/84711 * config/arm/arm.c (arm_can_change_mode_class): Use GET_MODE_UNIT_SIZE instead of GET_MODE_SIZE when comparing Units. 2018-03-15 Vladimir Mezentsev PR target/68256 * varasm.c (hash_section): Return an unchangeble hash value * config/aarch64/aarch64.c (aarch64_use_blocks_for_constant_p): Return !aarch64_can_use_per_function_literal_pools_p (). 2018-03-15 Jakub Jelinek PR target/84860 * optabs.c (emit_conditional_move): Pass address of cmode's copy rather than address of cmode as last argument to prepare_cmp_insn. 2018-03-15 Julia Koval * config/i386/i386.c (F_AVX512VBMI2, F_GFNI, F_VPCLMULQDQ, F_AVX512VNNI, F_AVX512BITALG): New. 2018-03-14 John David Anglin PR target/83451 * config/pa/pa.c (pa_emit_move_sequence): Always emit secondary reload insn for floating-point loads and stores. 2018-03-14 Carl Love * config/rs6000/rs6000-c.c: Add macro definitions for ALTIVEC_BUILTIN_VEC_PERMXOR. * config/rs6000/rs6000.h: Add #define for vec_permxor builtin. * config/rs6000/rs6000-builtin.def: Add macro expansions for VPERMXOR. * config/rs6000/altivec.md (altivec_vpermxor): New define expand. * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Add case UNSPEC_VPERMXOR. * config/doc/extend.texi: Add prototypes for vec_permxor. 2018-03-14 David Malcolm PR c/84852 * diagnostic-show-locus.c (class layout_point): Convert m_line from int to linenum_type. (line_span::comparator): Use linenum "compare" function when comparing line numbers. (test_line_span): New function. (layout_range::contains_point): Convert param "row" from int to linenum_type. (layout_range::intersects_line_p): Likewise. (layout::will_show_line_p): Likewise. (layout::print_source_line): Likewise. (layout::should_print_annotation_line_p): Likewise. (layout::print_annotation_line): Likewise. (layout::print_leading_fixits): Likewise. (layout::annotation_line_showed_range_p): Likewise. (struct line_corrections): Likewise for field m_row. (line_corrections::line_corrections): Likewise for param "row". (layout::print_trailing_fixits): Likewise. (layout::get_state_at_point): Likewise. (layout::get_x_bound_for_row): Likewise. (layout::print_line): Likewise. (diagnostic_show_locus): Likewise for locals "last_line" and "row". (selftest::diagnostic_show_locus_c_tests): Call test_line_span. * input.c (selftest::test_linenum_comparisons): New function. (selftest::input_c_tests): Call it. * selftest.c (selftest::test_assertions): Test ASSERT_GT, ASSERT_GT_AT, ASSERT_LT, and ASSERT_LT_AT. * selftest.h (ASSERT_GT): New macro. (ASSERT_GT_AT): New macro. (ASSERT_LT): New macro. (ASSERT_LT_AT): New macro. 2018-03-14 Segher Boessenkool PR rtl-optimization/84780 * combine.c (distribute_links): Don't make a link based on pc_rtx. 2018-03-14 Martin Liska * tree.c (record_node_allocation_statistics): Use get_stats_node_kind. (get_stats_node_kind): New function extracted from record_node_allocation_statistics. (free_node): Use get_stats_node_kind. 2018-03-14 Richard Biener * tree-ssa-pre.c (compute_antic_aux): Remove code that asserts that the value-set of ANTIC_IN doesn't grow. Revert * tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs member. (BB_VISITED_WITH_VISITED_SUCCS): New define. (compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS. 2018-03-14 Julia Koval * config.gcc (icelake-client, icelake-server): New. (icelake): Remove. * config/i386/i386.c (initial_ix86_tune_features): Extend to 64 bit. (initial_ix86_arch_features): Ditto. (PTA_SKYLAKE): Add SGX. (PTA_ICELAKE): Remove. (PTA_ICELAKE_CLIENT): New. (PTA_ICELAKE_SERVER): New. (ix86_option_override_internal): Split up icelake on icelake client and icelake server. (get_builtin_code_for_version): Ditto. (fold_builtin_cpu): Ditto. * config/i386/driver-i386.c (config/i386/driver-i386.c): Ditto. * config/i386/i386-c.c (ix86_target_macros_internal): Ditto * config/i386/i386.h (processor_type): Ditto. * doc/invoke.texi: Ditto. 2018-03-14 Jakub Jelinek PR sanitizer/83392 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Handle also INTEGER_CST offset, add it together with bitpos / 8 and sign extend based on POINTER_SIZE. PR target/84844 Revert 2017-04-20 Uros Bizjak PR target/78090 * config/i386/constraints.md (Yc): New register constraint. * config/i386/i386.md (*float2_mixed): Use Yc constraint for alternative 2 of operand 0. Remove preferred_for_speed attribute. 2018-03-14 Richard Biener PR tree-optimization/84830 * tree-ssa-pre.c (compute_antic_aux): Intersect the new ANTIC_IN with the old one to avoid oscillations. 2018-03-13 Vladimir Makarov PR target/83712 * lra-assigns.c (find_all_spills_for): Ignore uninteresting pseudos. (assign_by_spills): Return a flag of reload assignment failure. Do not process the reload assignment failures. Do not spill other reload pseudos if they has the same reg class. Update n if necessary. (lra_assign): Add a return arg. Set up from the result of assign_by_spills call. (find_reload_regno_insns, lra_split_hard_reg_for): New functions. * lra-constraints.c (split_reg): Add a new arg. Use it instead of usage_insns if it is not NULL. (spill_hard_reg_in_range): New function. (split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg. * lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New function prototypes. (lra_assign): Change prototype. * lra.c (lra): Add code to deal with fails by splitting hard reg live ranges. 2018-03-01 Palmer Dabbelt * config/riscv/riscv.opt (mrelax): New option. * config/riscv/riscv.c (riscv_file_start): Emit ".option "norelax" when riscv_mrelax is disabled. * doc/invoke.texi (RISC-V): Document "-mrelax" and "-mno-relax". 2018-03-13 Aaron Sawdey PR target/84743 * config/rs6000/rs6000.c (rs6000_reassociation_width): Disable parallel reassociation for int modes. 2018-03-13 Richard Sandiford * tree-vect-loop-manip.c (vect_maybe_permute_loop_masks): Reverse the choice between VEC_UNPACK_LO_EXPR and VEC_UNPACK_HI_EXPR for big-endian. * config/aarch64/iterators.md (hi_lanes_optab): New int attribute. * config/aarch64/aarch64-sve.md (*aarch64_sve_): Rename to... (aarch64_sve_): ...this. (*extend2): Rename to... (aarch64_sve_extend2): ...this. (vec_unpack__): Turn into a define_expand, renaming the old pattern to... (aarch64_sve_punpk_): ...this. Only define unsigned packs. (vec_unpack__): Turn into a define_expand, renaming the old pattern to... (aarch64_sve_unpk_): ...this. (*vec_unpacku___no_convert): Delete. (vec_unpacks__): Take BYTES_BIG_ENDIAN into account when deciding which SVE instruction the optab should use. (vec_unpack_float__vnx4si): Likewise. 2018-03-13 Richard Sandiford * config/aarch64/aarch64.md (V4_REGNUM, V8_REGNUM, V12_REGNUM) (V20_REGNUM, V24_REGNUM, V28_REGNUM, P1_REGNUM, P2_REGNUM, P3_REGNUM) (P4_REGNUM, P5_REGNUM, P6_REGNUM, P8_REGNUM, P9_REGNUM, P10_REGNUM) (P11_REGNUM, P12_REGNUM, P13_REGNUM, P14_REGNUM): New define_constants. (tlsdesc_small_): Turn a define_expand and use tlsdesc_small_sve_ for SVE. Rename original define_insn to... (tlsdesc_small_advsimd_): ...this. (tlsdesc_small_sve_): New pattern. 2018-03-13 Richard Sandiford * config/aarch64/iterators.md (UNSPEC_SMUL_HIGHPART) (UNSPEC_UMUL_HIGHPART): New constants. (MUL_HIGHPART): New int iteraor. (su): Handle UNSPEC_SMUL_HIGHPART and UNSPEC_UMUL_HIGHPART. * config/aarch64/aarch64-sve.md (mul3_highpart): New define_expand. (*mul3_highpart): New define_insn. 2018-03-13 Eric Botcazou PR lto/84805 * ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of incomplete types. 2018-03-13 Martin Liska PR ipa/84658. * (sem_item_optimizer::sem_item_optimizer): Initialize new vector. (sem_item_optimizer::~sem_item_optimizer): Release it. (sem_item_optimizer::merge_classes): Register variable aliases. (sem_item_optimizer::fixup_pt_set): New function. (sem_item_optimizer::fixup_points_to_sets): Likewise. * ipa-icf.h: Declare new variables and functions. 2018-03-13 Jakub Jelinek PR middle-end/84834 * match.pd ((A & C) != 0 ? D : 0): Use INTEGER_CST@2 instead of integer_pow2p@2 and test integer_pow2p in condition. (A < 0 ? C : 0): Similarly for @1. PR middle-end/84831 * stmt.c (parse_output_constraint): If the CONSTRAINT_LEN (*p, p) characters starting at p contain '\0' character, don't look beyond that. PR target/84827 * config/i386/i386.md (round2): For 387 fancy math, disable pattern if -ftrapping-math -fno-fp-int-builtin-inexact. PR target/84828 * reg-stack.c (change_stack): Change update_end var from int to rtx_insn *, if non-NULL don't update just BB_END (current_block), but also call set_block_for_insn on the newly added insns and rescan. PR target/84786 * config/i386/sse.md (sse2_loadhpd): Use Yv constraint rather than v on the last operand. PR c++/84704 * tree.c (stabilize_reference_1): Return save_expr (e) for STATEMENT_LIST even if it doesn't have side-effects. 2018-03-12 Jonathan Wakely * doc/invoke.texi (-mclflushopt): Fix spelling of option. 2018-03-12 Renlin Li * config/aarch64/aarch64.md (movhf_aarch64): Fix mode argument to aarch64_output_scalar_simd_mov_immediate. 2018-03-12 Martin Sebor PR tree-optimization/83456 * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid warning for perfectly overlapping calls to memcpy. (gimple_fold_builtin_memory_chk): Same. (gimple_fold_builtin_strcpy): Handle no-warning. (gimple_fold_builtin_stxcpy_chk): Same. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Handle no-warning. 2018-03-12 Segher Boessenkool * config/rs6000/rs6000.c (abi_v4_pass_in_fpr): Add bool "named" parameter. Use it for SFmode. (rs6000_function_arg_advance_1): Adjust. (rs6000_function_arg): Adjust. (rs6000_gimplify_va_arg): Pass false for that new parameter. 2018-03-12 Segher Boessenkool PR rtl-optimization/84169 PR rtl-optimization/84780 * combine.c (can_combine_p): Check for a 2-insn combination whether the destination register is used between the two insns, too. 2018-03-12 Richard Biener PR tree-optimization/84803 * tree-if-conv.c (ifcvt_memrefs_wont_trap): Don't do anything for refs DR analysis didn't process. 2018-03-12 Richard Biener PR tree-optimization/84777 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): For force-vectorize loops ignore whether we are optimizing for size. 2018-03-12 Chung-Ju Wu * config/nds32/nds32.c (nds32_md_asm_adjust): New function. (TARGET_MD_ASM_ADJUST): Define. 2018-03-12 Monk Chiang Kito Cheng Chung-Ju Wu * config/nds32/nds32.c (nds32_compute_stack_frame, nds32_emit_stack_push_multiple, nds32_emit_stack_pop_multiple, nds32_emit_stack_v3push, nds32_emit_stack_v3pop, nds32_emit_adjust_frame, nds32_expand_prologue, nds32_expand_epilogue, nds32_expand_prologue_v3push, nds32_expand_epilogue_v3pop): Refine. * config/nds32/nds32.h (NDS32_FIRST_CALLEE_SAVE_GPR_REGNUM, NDS32_LAST_CALLEE_SAVE_GPR_REGNUM, NDS32_V3PUSH_AVAILABLE_P): New. * config/nds32/nds32.md (prologue, epilogue): Use macro NDS32_V3PUSH_AVAILABLE_P to do checking. 2018-03-11 Jakub Jelinek PR debug/58150 * dwarf2out.c (gen_enumeration_type_die): Don't guard adding DW_AT_declaration for ENUM_IS_OPAQUE on -gdwarf-4 or -gno-strict-dwarf, but on TYPE_SIZE. Don't do anything for ENUM_IS_OPAQUE if not creating a new die. Don't set TREE_ASM_WRITTEN if ENUM_IS_OPAQUE. Guard addition of most attributes on !orig_type_die or the attribute not being present already. Assert TYPE_VALUES is NULL for ENUM_IS_OPAQUE. 2018-03-11 Kito Cheng Chung-Ju Wu * config/nds32/nds32.c (nds32_cpu_cpp_builtins): Modify to define __NDS32_VH__ macro. * config/nds32/nds32.opt (mvh): New option. 2018-03-11 Kito Cheng Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_cpu_cpp_builtins): Declare function. * config/nds32/nds32.c (nds32_cpu_cpp_builtins): New function. * config/nds32/nds32.h (TARGET_CPU_CPP_BUILTINS): Modify its definition. 2018-03-11 Kito Cheng Chung-Ju Wu * config/nds32/nds32-memory-manipulation.c (nds32_expand_strlen): New function. * config/nds32/nds32-multiple.md (strlensi): New pattern. * config/nds32/nds32-protos.h (nds32_expand_strlen): Declare function. 2018-03-11 Monk Chiang Kito Cheng Chung-Ju Wu * config/nds32/constants.md (unspec_element): Add UNSPEC_FFB, UNSPEC_FFMISM and UNSPEC_FLMISM. * config/nds32/nds32-intrinsic.c (bdesc_2arg): Add builtin description for ffb, ffmism and flmism. * config/nds32/nds32-intrinsic.md (unspec_ffb): Define new pattern. (unspec_ffmism): Ditto. (unspec_flmism): Ditto. (nds32_expand_builtin_impl): Check if string extension is available. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_FFB, NDS32_BUILTIN_FFMISM and NDS32_BUILTIN_FLMISM. 2018-03-10 Vladimir Makarov Reverting patch: 2018-03-09 Vladimir Makarov PR target/83712 * lra-assigns.c (assign_by_spills): Return a flag of reload assignment failure. Do not process the reload assignment failures. Do not spill other reload pseudos if they has the same reg class. (lra_assign): Add a return arg. Set up from the result of assign_by_spills call. (find_reload_regno_insns, lra_split_hard_reg_for): New functions. * lra-constraints.c (split_reg): Add a new arg. Use it instead of usage_insns if it is not NULL. (spill_hard_reg_in_range): New function. (split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg. * lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New function prototypes. (lra_assign): Change prototype. * lra.c (lra): Add code to deal with fails by splitting hard reg live ranges. 2018-03-10 H.J. Lu PR target/84807 * config/i386/i386.opt: Replace Enforcment with Enforcement. 2018-03-10 Alexandre Oliva PR debug/84620 * dwarf2out.h (dw_val_class): Add dw_val_class_symview. (dw_val_node): Add val_symbolic_view. * dwarf2out.c (dw_line_info_table): Add symviews_since_reset. (symview_upper_bound): New. (new_line_info_table): Initialize symviews_since_reset. (dwarf2out_source_line): Count symviews_since_reset and set symview_upper_bound. (dw_val_equal_p): Handle symview. (add_AT_symview): New. (print_dw_val): Handle symview. (attr_checksum, attr_checksum_ordered): Likewise. (same_dw_val_p, size_of_die): Likewise. (value_format, output_die): Likewise. (add_high_low_attributes): Use add_AT_symview for entry_view. (dwarf2out_finish): Reset symview_upper_bound, clear zero_view_p. 2018-03-09 Peter Bergner PR target/83969 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New prototype. Add strict argument and use it. (rs6000_split_multireg_move): Update for new strict argument. (mem_operand_gpr): Disallow all non-offsettable addresses. * config/rs6000/rs6000.md (*movdi_internal64): Use YZ constraint. 2018-03-09 Jakub Jelinek PR target/84772 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Mark va_arg_tmp temporary TREE_ADDRESSABLE before gimplification of BUILT_IN_MEMCPY. * config/powerpcspe/powerpcspe.c (rs6000_gimplify_va_arg): Likewise. PR c++/84767 * tree-inline.c (copy_tree_body_r): For INDIRECT_REF of a remapped decl, use remap_type if we want to use the type. 2018-03-09 Martin Sebor PR tree-optimization/84526 * gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset): Remove dead code. (builtin_access::generic_overlap): Be prepared to handle non-array base objects. 2018-03-09 Alexandre Oliva PR rtl-optimization/84682 * lra-constraints.c (process_address_1): Check is_address flag for address constraints. (process_alt_operands): Likewise. * lra.c (lra_set_insn_recog_data): Pass asm operand locs to preprocess_constraints. * recog.h (preprocess_constraints): Add oploc parameter. Adjust callers. * recog.c (preprocess_constraints): Test address_operand for CT_ADDRESS constraints. 2018-03-09 Vladimir Makarov PR target/83712 * lra-assigns.c (assign_by_spills): Return a flag of reload assignment failure. Do not process the reload assignment failures. Do not spill other reload pseudos if they has the same reg class. (lra_assign): Add a return arg. Set up from the result of assign_by_spills call. (find_reload_regno_insns, lra_split_hard_reg_for): New functions. * lra-constraints.c (split_reg): Add a new arg. Use it instead of usage_insns if it is not NULL. (spill_hard_reg_in_range): New function. (split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg. * lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New function prototypes. (lra_assign): Change prototype. * lra.c (lra): Add code to deal with fails by splitting hard reg live ranges. 2018-03-09 Kyrylo Tkachov PR target/83193 * common/config/arm/arm-common.c (arm_parse_arch_option_name): Accept complain bool parameter. Only emit errors if it is true. (arm_parse_cpu_option_name): Likewise. (arm_target_thumb_only): Adjust callers of the above. * config/arm/arm-protos.h (arm_parse_cpu_option_name): Adjust prototype to take a default true bool parameter. (arm_parse_arch_option_name): Likewise. 2018-03-09 David Malcolm Francois-Xavier Coudert PR jit/64089 PR jit/84288 * Makefile.in (LD_VERSION_SCRIPT_OPTION, LD_SONAME_OPTION): New. * configure: Regenerate. * configure.ac ("linker --version-script option"): New. ("linker soname option"): New. 2018-03-09 Richard Biener PR tree-optimization/84775 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Delink immediate uses of predicate stmts and mark them modified. Revert PR tree-optimization/84178 * tree-if-conv.c (combine_blocks): Move insert_gimplified_predicates to caller. (version_loop_for_if_conversion): Delay update_ssa call. (tree_if_conversion): Delay update_ssa until after predicate insertion. 2018-03-09 Eric Botcazou PR target/84763 * config/i386/winnt.c (i386_pe_seh_cold_init): Use small pre-allocation when the function accesses prior frames. 2018-03-08 Jakub Jelinek PR debug/84456 * dwarf2out.c (dw_loc_list): If list && loc_list->first->next, call gen_llsym, otherwise call maybe_gen_llsym. PR inline-asm/84742 * recog.c (asm_operand_ok): Return 0 if multi-character constraint has ',' character inside of it. 2018-03-08 Kyrylo Tkachov PR target/84748 * config/aarch64/aarch64.md (*compare_cstore_insn): Mark pattern as clobbering CC_REGNUM. 2018-03-08 Richard Biener PR middle-end/84552 * tree-scalar-evolution.c: Include tree-into-ssa.h. (follow_copies_to_constant): Do not follow SSA names registered for update. 2018-03-08 Richard Biener PR tree-optimization/84178 * tree-if-conv.c (combine_blocks): Move insert_gimplified_predicates to caller. (version_loop_for_if_conversion): Delay update_ssa call. (tree_if_conversion): Delay update_ssa until after predicate insertion. 2018-03-08 David Malcolm PR tree-optimization/84178 * tree-if-conv.c (release_bb_predicate): Remove the the assertion that the stmts have NULL use_ops. Discard the statements, asserting that they haven't yet been added to a BB. 2018-03-08 Richard Biener PR tree-optimization/84746 * tree-ssa-pre.c (find_leader_in_sets): Deal with SET1 being NULL. (phi_translate): Pass in destination ANTIC_OUT set. (phi_translate_1): Likewise. For a simplified result lookup a leader in ANTIC_OUT and AVAIL_OUT, not the ANTIC_IN sets. (phi_translate_set): Adjust. (do_pre_regular_insertion): Likewise. (do_pre_partial_partial_insertion): Likewise. 2018-03-08 Martin Liska PR gcov-profile/84735 * doc/gcov.texi: Document usage of profile files. * gcov-io.h: Document changes in the format. 2018-03-08 Alexandre Oliva PR debug/84404 PR debug/84408 * dwarf2out.c (struct dw_line_info_table): Update comments for view == -1. (FORCE_RESET_NEXT_VIEW): New. (FORCE_RESETTING_VIEW_P): New. (RESETTING_VIEW_P): Check for -1 too. (ZERO_VIEW_P): Likewise. (new_line_info_table): Force-reset next view. (dwarf2out_begin_function): Likewise. (dwarf2out_source_line): Simplify zero_view_p initialization. Test FORCE_RESETTING_VIEW_P and RESETTING_VIEW_P instead of view directly. Omit view when omitting .loc at line 0. 2018-03-08 Jakub Jelinek PR tree-optimization/84740 * tree-switch-conversion.c (process_switch): Call build_constructors only if info.phi_count is non-zero. PR tree-optimization/84739 * tree-tailcall.c (find_tail_calls): Check call arguments against DECL_ARGUMENTS (current_function_decl) rather than DECL_ARGUMENTS (func) when checking for tail recursion. 2018-03-07 Jakub Jelinek * doc/contrib.texi: Add entries for Martin Liska, David Malcolm, Marek Polacek, extend Vladimir Makarov's, Jonathan Wakely's and Volker Reichelt's entry and add entries for people that perform GCC fuzzy testing and report numerous bugs. 2018-03-07 Segher Boessenkool PR target/82411 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Don't put readonly data in sdata, if that is disabled. * config/rs6000/sysv4.opt (mreadonly-in-sdata): New option. * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mreadonly-in-sdata option. 2018-03-07 Martin Sebor PR tree-optimization/84468 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Consider successor basic block when looking for nul assignment. 2018-03-07 Eric Botcazou PR target/84277 * except.h (output_function_exception_table): Adjust prototype. * except.c (output_function_exception_table): Remove FNNAME parameter and add SECTION parameter. Ouput one part of the table at a time. * final.c (final_scan_insn_1) : Output the first part of the exception table and emit unwind directives. * config/i386/i386-protos.h (i386_pe_end_cold_function): Declare. (i386_pe_seh_cold_init): Likewise. * config/i386/cygming.h (ASM_DECLARE_COLD_FUNCTION_NAME): New macro. (ASM_DECLARE_COLD_FUNCTION_SIZE): Likewise. * config/i386/i386.c (x86_expand_epilogue): Fix wording in comment. (ix86_output_call_insn): Emit a nop in one more case for SEH. * config/i386/winnt.c: Include except.h. (struct seh_frame_state): Add reg_offset, after_prologue and in_cold_section fields. (i386_pe_seh_end_prologue): Set seh->after_prologue. (i386_pe_seh_cold_init): New function. (i386_pe_seh_fini): Add COLD parameter and bail out if it is not equal to seh->in_cold_section. (seh_emit_push): Record the offset of the push. (seh_emit_save): Record the offet of the save. (i386_pe_seh_unwind_emit): Deal with NOTE_INSN_SWITCH_TEXT_SECTIONS. Test seh->after_prologue to disregard the epilogue. (i386_pe_end_function): Pass FALSE to i386_pe_seh_fini. (i386_pe_end_cold_function): New function. 2018-03-07 Jakub Jelinek PR fortran/84565 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero): Use aarch64_simd_or_scalar_imm_zero rather than aarch64_simd_imm_zero. PR c++/84704 * gimple-expr.c (create_tmp_var_raw): Set DECL_NAMELESS flag on tmp_var. * tree-pretty-print.c (dump_decl_name): For TDF_COMPARE_DEBUG, don't print names of DECL_NAMELESS DECL_IGNORED_P decls. PR middle-end/84723 * multiple_target.c: Include tree-inline.h and intl.h. (expand_target_clones): Diagnose and fail if node->definition and !tree_versionable_function_p (node->decl). 2018-03-06 John David Anglin * config/pa/pa.h (ASM_GENERATE_INTERNAL_LABEL): Revise to use sprint_ul. (ASM_OUTPUT_ADDR_VEC_ELT): Revise for above change. (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. * config/pa/pa64-hpux.h (ASM_GENERATE_INTERNAL_LABEL): Revise as above. 2018-03-06 Jakub Jelinek PR target/84710 * combine.c (try_combine): Use reg_or_subregno instead of handling just paradoxical SUBREGs and REGs. 2018-03-06 Claudiu Zissulescu * config/arc/arc.c (arc_finalize_pic): Remove function. (arc_must_save_register): We use single base PIC register, remove checks to save/restore the PIC register. (arc_expand_prologue): Likewise. * config/arc/arc-protos.h (arc_set_default_type_attributes): Remove. (arc_verify_short): Likewise. (arc_attr_type): Likewise. * config/arc/arc.c (arc_set_default_type_attributes): Remove. (walk_stores): Likewise. (arc_address_cost): Make it static. (arc_verify_short): Likewise. (branch_dest): Likewise. (arc_attr_type): Likewise. * config/arc/arc.c (TARGET_ADJUST_INSN_LENGTH): Remove. (TARGET_INSN_LENGTH_PARAMETERS): Likewise. (arc_final_prescan_insn): Remove inserting the nops due to hardware hazards. It is done in reorg step. (insn_length_variant_t): Remove. (insn_length_parameters_t): Likewise. (arc_insn_length_parameters): Likewise. (arc_get_insn_variants): Likewise. * config/arc/arc.h (TARGET_UPSIZE_DBR): Remove. 2018-03-06 Jakub Jelinek PR inline-asm/84683 * reg-stack.c (move_for_stack_reg): If any_malformed_asm, avoid assertion failure. PR tree-optimization/84687 * omp-simd-clone.c (simd_clone_create): Clear DECL_BUILT_IN_CLASS on new_node->decl. * match.pd (pow(C,x)*expN(y) -> expN(logN(C)*x+y)): New optimization. 2018-03-05 Bill Schmidt * config/rs6000/rs6000-builtin.def (rs6000_speculation_barrier): Rename to ppc_speculation_barrier. * config/rs6000/rs6000.c (rs6000_init_builtins): Rename builtin to __builtin_ppc_speculation_barrier. 2018-03-05 Jakub Jelinek PR target/84700 * combine.c (combine_simplify_rtx): Don't try to simplify if if_then_else_cond returned non-NULL, but either true_rtx or false_rtx are equal to x. 2018-03-05 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_loop_align): Don't align tiny loops to 32 bytes when compiling for POWER9. 2018-03-05 Jakub Jelinek PR target/84564 * config/i386/i386.c (ix86_function_ok_for_sibcall): Check for regparm >= 3 with no arg reg available also for calls with flag_force_indirect_call. Pass decl to ix86_function_regparm. PR target/84524 * config/i386/sse.md (*3): Replace with orig,vex. (*3): Likewise. Remove uses. 2018-03-05 Peter Bergner PR target/84264 * config/rs6000/vector.md (mov): Disallow altivec memory operands. 2018-03-05 Richard Biener PR tree-optimization/84486 * tree-ssa-pre.c (create_expression_by_pieces): Remove dead code. When inserting a __builtin_assume_aligned call set the LHS SSA name alignment info accordingly. 2018-03-05 Wilco Dijkstra PR tree-optimization/84114 * config/aarch64/aarch64.c (aarch64_reassociation_width) Avoid reassociation of FLOAT_MODE addition. 2018-03-05 Olga Makhotina * common/config/i386/i386-common.c (OPTION_MASK_ISA_PCONFIG_SET, OPTION_MASK_ISA_PCONFIG_UNSET, OPTION_MASK_ISA_WBNOINVD_SET, OPTION_MASK_ISA_WBNOINVD_UNSET): New definitions. (ix86_handle_option): Handle -mpconfig and -mwbnoinvd. * config.gcc (pconfigintrin.h, wbnoinvdintrin.h) : Add headers. * config/i386/cpuid.h (bit_PCONFIG, bit_WBNOINVD): New. * config/i386/driver-i386.c (host_detect_local_cpu): Detect -mpconfig and -mwbnoinvd. * config/i386/i386-builtin.def (__builtin_ia32_wbnoinvd, __builtin_ia32_wbinvd): New builtins. (SPECIAL_ARGS2): New. * config/i386/i386-c.c (__WBNOINVD__, __PCONFIG__): New. (SPECIAL_ARGS2): New. * config/i386/i386.c (ix86_target_string): Add -mpconfig and -mwbnoinvd. (ix86_valid_target_attribute_inner_p): Ditto. (ix86_init_mmx_sse_builtins): Add special_args2. * config/i386/i386.h (TARGET_PCONFIG, TARGET_PCONFIG_P, TARGET_WBNOINVD, TARGET_WBNOINVD_P): New. * config/i386/i386.md (UNSPECV_WBINVD, UNSPECV_WBNOINVD): New. (define_insn "wbinvd", define_insn "wbnoinvd"): New. * config/i386/i386.opt: Add -mpconfig and -mwbnoinvd. * config/i386/immintrin.h (_wbinvd): New intrinsic. * config/i386/pconfigintrin.h: New file. * config/i386/wbnoinvdintrin.h: Ditto. * config/i386/x86intrin.h: Add headers pconfigintrin.h and wbnoinvdintrin.h. * doc/invoke.texi (-mpconfig, -mwbnoinvd): New. 2018-03-05 Richard Biener PR tree-optimization/84670 * tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs member. (BB_VISITED_WITH_VISITED_SUCCS): New define. (compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS. (compute_antic_aux): Only assert the number of values in ANTIC_IN doesn't grow if all successors (recursively) were visited at least once. 2018-03-05 Richard Biener PR tree-optimization/84650 * tree-ssa-loop-im.c (pass_lim::execute): Reset the SCEV cache if executed in the loop pipeline. 2018-03-05 Sandra Loosemore * doc/configfiles.texi (Configuration Files): Move info about conditionalizing $target-protos.h to... * doc/sourcebuild.texi (Back End): Here. Explain how $target.h differs from $target-protos.h. 2018-03-05 Kito Cheng Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_expand_setmem): Declare. * config/nds32/nds32-multiple.md (setmemsi): Define. * config/nds32/nds32-memory-manipulation.c (nds32_gen_dup_4_byte_to_word_value): New. (emit_setmem_word_loop): New. (emit_setmem_byte_loop): New. (nds32_expand_setmem_loop): New. (nds32_expand_setmem_loop_v3m): New. (nds32_expand_setmem_unroll): New. (nds32_expand_setmem): New. 2018-03-04 Kito Cheng Chung-Ju Wu * config/nds32/nds32-memory-manipulation.c (nds32_emit_load_store): New. (nds32_emit_post_inc_load_store): New. (nds32_emit_mem_move): New. (nds32_emit_mem_move_block): New. (nds32_expand_movmemsi_loop_unknown_size): New. (nds32_expand_movmemsi_loop_known_size): New. (nds32_expand_movmemsi_loop): New. (nds32_expand_movmemsi_unroll): New. (nds32_expand_movmemqi): Rename ... (nds32_expand_movmemsi): ... to this. * config/nds32/nds32-multiple.md (movmemqi): Rename ... (movmemsi): ... to this. * config/nds32/nds32-protos.h (nds32_expand_movmemqi): Rename ... (nds32_expand_movmemsi): ... to this. 2018-03-04 Kito Cheng Monk Chiang Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_expand_load_multiple): New arguments. (nds32_expand_store_multiple): Ditto. (nds32_valid_multiple_load_store): Rename ... (nds32_valid_multiple_load_store_p): ... to this. * config/nds32/nds32-memory-manipulation.c (nds32_expand_load_multiple): Refine implementation. (nds32_expand_store_multiple): Ditto. * config/nds32/nds32-multiple.md (load_multiple): Update nds32_expand_load_multiple interface. (store_multiple): Update nds32_expand_store_multiple interface. * config/nds32/nds32-predicates.c (nds32_valid_multiple_load_store): Rename ... (nds32_valid_multiple_load_store_p): ... to this and refine implementation. * config/nds32/predicates.md (nds32_load_multiple_and_update_address_operation): New predicate. (nds32_store_multiple_and_update_address_operation): New predicate. 2018-03-04 Kito Cheng Chung-Ju Wu * config/nds32/nds32.md (type): Add load_multiple and store_multiple. (combo): New attribute. * config/nds32/nds32-multiple.md: Refine patterns with new attributes. 2018-03-03 Chung-Ju Wu * config/nds32/nds32.opt: Change -mcmodel= default value. 2018-03-03 Kito Cheng Monk Chiang Chung-Ju Wu * config/nds32/constants.md (unspec_element): New enum. * config/nds32/constraints.md (Umw): New constraint. * config/nds32/nds32-intrinsic.c: Add more builtin functions. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32-md-auxiliary.c (nds32_regno_to_enable4): New. (nds32_valid_smw_lwm_base_p): New. (nds32_output_smw_single_word): New. (nds32_output_lmw_single_word): New. (nds32_expand_unaligned_load): New. (nds32_expand_unaligned_store): New. * config/nds32/nds32-protos.h (nds32_valid_smw_lwm_base_p): Declare. (nds32_output_smw_single_word): Declare. (nds32_output_lmw_single_word): Declare. (nds32_expand_unaligned_load): Declare. (nds32_expand_unaligned_store): Declare. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_UALOAD_HW, NDS32_BUILTIN_UALOAD_W, NDS32_BUILTIN_UALOAD_DW, NDS32_BUILTIN_UASTORE_HW, NDS32_BUILTIN_UASTORE_W, NDS32_BUILTIN_UASTORE_DW. * config/nds32/predicates.md (nds32_lmw_smw_base_operand): New predicate. 2018-03-03 Monk Chiang Kito Cheng Chung-Ju Wu * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_null_ftype_reg): Delete. (nds32_expand_builtin_reg_ftype_imm): Ditto. (nds32_expand_builtin_null_ftype_reg_imm): Ditto. (nds32_read_argument): New. (nds32_legitimize_target): Ditto. (nds32_legitimize_argument): Ditto. (nds32_check_constant_argument): Ditto. (nds32_expand_unop_builtin): Ditto. (nds32_expand_unopimm_builtin): Ditto. (nds32_expand_binop_builtin): Ditto. (nds32_builtin_decl_impl): Ditto. (builtin_description): Ditto. (nds32_expand_builtin_impl): Rewrite with new infrastructure. (nds32_init_builtins_impl): Ditto. * config/nds32/nds32.c (TARGET_BUILTIN_DECL): Define. (nds32_builtin_decl): New. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_COUNT. * config/nds32/nds32-protos.h (nds32_builtin_decl_impl): Declare. 2018-03-02 Jeff Law * reorg.c (stop_search_p): Handle DEBUG_INSN. (redundant_insn, fill_simple_delay_slots): Likewise. (fill_slots_from_thread): Likewise. * resource.c (mark_referenced_resources): Likewise. (mark_set_resources, find_dead_or_set_registers): Likewise. 2018-03-02 Jakub Jelinek * substring-locations.h (format_warning_va): Formatting fix for ATTRIBUTE_GCC_DIAG. (format_warning_at_substring): Fix up ATTRIBUTE_GCC_DIAG second argument. (format_warning_n_va, format_warning_at_substring_n): New prototypes. * substring-locations.c: Include intl.h. (format_warning_va): Turned into small wrapper around format_warning_n_va, renamed to ... (format_warning_n_va): ... this, add N and PLURAL_GMSGID arguments, rename GMSGID to SINGULAR_GMSGID, if SINGULAR_GMSGID != PLURAL_GMSGID, use ngettext. (format_warning_at_substring_n): New function. * gimple-ssa-sprintf.c: Remove GCC diagnostic ignored pragma. (fmtwarn): Add ATTRIBUTE_GCC_DIAG. Turn into a copy of format_warning_at_substring with just a shorter name instead of const function pointer. (fmtwarn_n): New function. (maybe_warn, format_directive, parse_directive): Use fmtwarn_n where appropriate, get rid of all the fmtstr temporaries, move conditionals with G_() wrapped string literals directly into fmtwarn arguments, cast dir.len to (int), formatting fixes. 2018-03-02 Thomas Schwinge * doc/invoke.texi: Remove "Cilk Plus" references. 2018-03-02 Jakub Jelinek Richard Biener PR ipa/84628 * expr.c (expand_expr_real_1) : Don't emit diagnostics for error or warning attributes if CALL_FROM_THUNK_P is set. Formatting fixes. 2018-03-02 Jakub Jelinek PR target/56540 * config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Predefine __SIZEOF_128__ macro if HPUX_LONG_DOUBLE_LIBRARY. PR target/56540 * config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Predefine __SIZEOF_{FPREG,FLOAT{80,128}}__ macros. * predict.c (test_prediction_value_range): Use PROB_UNINITIALIZED instead of -1U in last predictors element's probability member. 2018-03-02 Eric Botcazou PR ipa/83983 * ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both arguments if they are comparable. 2018-03-02 Richard Sandiford PR tree-optimization/84634 * tree-vect-stmts.c (vectorizable_store, vectorizable_load): Replace masks and masked_loop_p with a single loop_masks, making sure it's null for bb vectorization. 2018-03-02 Richard Sandiford * tree-vect-data-refs.c (vect_analyze_data_ref_dependence) (vect_analyze_data_ref_access): Use loop->safe_len rather than loop->force_vectorize to check whether there is no alias. 2018-03-02 Jakub Jelinek PR target/84614 * rtl.h (prev_real_nondebug_insn, next_real_nondebug_insn): New prototypes. * emit-rtl.c (next_real_insn, prev_real_insn): Fix up function comments. (next_real_nondebug_insn, prev_real_nondebug_insn): New functions. * cfgcleanup.c (try_head_merge_bb): Use prev_real_nondebug_insn instead of a loop around prev_real_insn. * combine.c (move_deaths): Use prev_real_nondebug_insn instead of prev_real_insn. PR inline-asm/84625 * config/i386/i386.c (ix86_print_operand): Use conditional output_operand_lossage instead of gcc_assert if CONST_VECTOR is not zero vector. 2018-03-02 Richard Biener PR tree-optimization/84427 * tree-ssa-pre.c (bitmap_remove_expr_from_set): Remove. (bitmap_set_subtract_values): Rewrite to handle multiple exprs per value. (clean): Likewise. (prune_clobbered_mems): Likewise. (phi_translate): Take edge instead of pred/phiblock. (phi_translate_1): Likewise. (phi_translate_set): Likewise. Insert all translated exprs for a value into the set, keeping possibly multiple expressions per value. (compute_antic_aux): Adjust for phi_translate changes. When intersecting union the expressions and prune those not in the final value set, keeping possibly multiple expressions per value. Do not use value-insertion for unioning ANTIC_OUT U EXP_GEN - TMP_GEN but merge all expressions. Add verification that the value-sets only shrink during iteration. (compute_partial_antic_aux): Adjust for the phi_translate changes. (do_pre_regular_insertion): Likewise. (do_pre_partial_partial_insertion): Likewise. 2018-03-02 Richard Biener PR target/82005 * config/darwin.c (saved_debug_info_level): New static global. (darwin_asm_lto_start): Disable debug info generation for LTO out. (darwin_asm_lto_end): Restore debug info generation settings. 2018-03-01 Martin Liska PR sanitizer/82484 * sanopt.c (sanitize_rewrite_addressable_params): Do not handle volatile arguments. 2018-03-01 Richard Biener PR debug/84645 * dwarf2out.c (gen_variable_die): Properly handle late VLA type annotation with LTO when debug was disabled at compile-time. 2018-03-01 Matthew Fortune * config/mips/mips.c (mips_final_prescan_insn): Fix incorrect XINT with INTVAL. (mips_final_postscan_insn): Likewise. 2018-03-01 Richard Sandiford PR rtl-optimization/84528 * alias.c (init_alias_target): Add commentary. (init_alias_analysis): Only give HARD_FRAME_POINTER_REGNUM a unique base value if the frame pointer is not eliminated to the stack pointer. 2018-03-01 Tom de Vries PR rtl-optimization/83327 * lra-int.h (hard_regs_spilled_into): Declare. * lra.c (hard_regs_spilled_into): Define. (init_reg_info): Init hard_regs_spilled_into. * lra-spills.c (assign_spill_hard_regs): Update hard_regs_spilled_into. * lra-lives.c (make_hard_regno_born, make_hard_regno_dead) (process_bb_lives): Handle hard_regs_spilled_into. (lra_create_live_ranges_1): Before doing liveness propagation, clear regs in all_hard_regs_bitmap if set in hard_regs_spilled_into. 2018-02-28 David Edelsohn * config.gcc (powerpc-ibm-aix7.1.*): New stanza. (powerpc-ibm-aix[789]*): Default to AIX 7.2. * config/rs6000/aix71.h (TARGET_DEFAULT): Revert to Power4 ISA. * config/rs6000/aix72.h: New file. 2018-02-28 Jakub Jelinek * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Use warning_n instead of warning_at with conditional singular and plural messages where possible. PR target/52991 * stor-layout.c (update_alignment_for_field): For targetm.ms_bitfield_layout_p (rli->t), if !is_bitfield && !DECL_PACKED (field), do the alignment update, just use only desired_align instead of MAX (type_align, desired_align) as the alignment. (place_field): Don't do known_align < desired_align handling early if targetm.ms_bitfield_layout_p (rli->t) and rli->prev_field is non-NULL, instead do it after rli->prev_field handling and only if not within a bitfield word. For DECL_PACKED (field) use type_align of BITS_PER_UNIT. 2018-02-28 Eric Botcazou * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Remove superfluous parentheses and trailing spaces. 2018-02-28 Richard Biener PR tree-optimization/84584 * graphite-scop-detection.c (scop_detection::add_scop): Discard SCoPs with fake exit edge. 2018-02-28 Martin Liska PR testsuite/84597 * timevar.c (timer::print): Fix format to properly print 100% values. 2018-02-28 Richard Biener PR middle-end/84607 * genmatch.c (capture_info::walk_match): Do not mark captured expressions without operands as expr_p given they act more like predicates and should be subject to "lost tail" side-effect preserving. 2018-02-28 Alexandre Oliva PR rtl-optimization/81611 * auto-inc-dec.c (attempt_change): Move dead note from mem_insn if it's the next use of regno (find_address): Take address use of reg holding non-incremented value. Add parm to limit search to the named reg only. (merge_in_block): Attempt to use a mem insn that is the next use of the original regno. 2018-02-27 Martin Sebor PR c++/83871 * doc/invoke.texi (-Wmissing-attributes): New option. * print-tree.c (print_node): Handle DECL_UNINLINABLE. 2018-02-27 Martin Sebor PR translation/84207 * diagnostic-core.h (warning_n, error_n, inform_n): Change n argument to unsigned HOST_WIDE_INT. * diagnostic.c (warning_n, error_n, inform_n): Ditto. (diagnostic_n_impl): Ditto. Handle arguments in excess of LONG_MAX. * gimple-ssa-sprintf.c (format_directive): Simplify inform_n call. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Use warning_n. 2018-02-27 Richard Biener PR tree-optimization/84512 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Do not use the estimate returned from record_stmt_cost for the scalar iteration cost but sum properly using add_stmt_cost. 2018-02-27 Richard Biener PR tree-optimization/84466 * graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p): Adjust last change to less strictly validate use operands. 2018-02-27 Martin Liska PR gcov-profile/84548 * gcov.c (process_file): Allow partial overlap and consider it also as group functions. (output_lines): Properly calculate range of lines for a group. 2018-02-27 Martin Liska * timevar.c (timer::print_row): Remove 'usr', 'sys', 'wall' and 'ggc' suffixes. Change first column width. (timer::print): Fix formatting of the column. 2018-02-27 Alexandre Oliva * tree-ssa-live.c (remove_unused_scope_block_p): Do not preserve inline entry blocks for the sake of debug inline entry point markers alone. (remove_unused_locals): Suggest in comments a better place to force the preservation of inline entry blocks that are otherwise unused, but do not preserve them. 2018-02-26 H.J. Lu * config/i386/i386.c (ix86_output_indirect_jmp): Update comments. 2018-02-26 H.J. Lu PR target/84039 * config/i386/constraints.md (Bs): Replace ix86_indirect_branch_register with TARGET_INDIRECT_BRANCH_REGISTER. (Bw): Likewise. * config/i386/i386.md (indirect_jump): Likewise. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Peepholes of indirect call and jump via memory: Likewise. (*sibcall_GOT_32): Disallowed for TARGET_INDIRECT_BRANCH_REGISTER. (*sibcall_value_GOT_32): Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. * config/i386/i386.h (TARGET_INDIRECT_BRANCH_REGISTER): New. 2018-02-26 Eric Botcazou PR rtl-optimization/83496 * reorg.c (steal_delay_list_from_target): Change REDUNDANT array from booleans to RTXes. Call fix_reg_dead_note on every non-null element. (steal_delay_list_from_fallthrough): Call fix_reg_dead_note on a redundant insn, if any. (relax_delay_slots): Likewise. (update_reg_unused_notes): Rename REDUNDANT_INSN to OTHER_INSN. 2018-02-26 Richard Sandiford PR tree-optimization/83965 * tree-vect-patterns.c (vect_reassociating_reduction_p): Assume that grouped statements are part of a reduction chain. Return true if the statement is not marked as a reduction itself but is part of a group. (vect_recog_dot_prod_pattern): Don't check whether the statement is part of a group here. (vect_recog_sad_pattern): Likewise. (vect_recog_widen_sum_pattern): Likewise. 2018-02-26 Eric Botcazou PR debug/84545 * final.c (rest_of_clean_state): Also look for calls inside sequences. 2018-02-26 H.J. Lu PR target/84530 * config/i386/i386-protos.h (ix86_output_indirect_jmp): Remove the bool argument. (ix86_output_indirect_function_return): New prototype. (ix86_split_simple_return_pop_internal): Likewise. * config/i386/i386.c (indirect_return_via_cx): New. (indirect_return_via_cx_bnd): Likewise. (indirect_thunk_name): Handle return va CX_REG. (output_indirect_thunk_function): Create alias for __x86_return_thunk_[re]cx and __x86_return_thunk_[re]cx_bnd. (ix86_output_indirect_jmp): Remove the bool argument. (ix86_output_indirect_function_return): New function. (ix86_split_simple_return_pop_internal): Likewise. * config/i386/i386.md (*indirect_jump): Don't pass false to ix86_output_indirect_jmp. (*tablejump_1): Likewise. (simple_return_pop_internal): Change it to define_insn_and_split. Call ix86_split_simple_return_pop_internal to split it for -mfunction-return=. (simple_return_indirect_internal): Call ix86_output_indirect_function_return instead of ix86_output_indirect_jmp. 2018-02-26 Jakub Jelinek PR bootstrap/84405 * vec.h (vec_default_construct): For BROKEN_VALUE_INITIALIZATION use memset and value initialization afterwards. 2018-02-26 Christophe Lyon * Makefile.in (lto-wrapper): Use ALL_LINKERFLAGS. 2018-02-26 Ramana Radhakrishnan PR target/84521 * common/config/aarch64/aarch64-common.c (aarch_option_optimization_table[]): Switch off fomit-frame-pointer 2018-02-26 Kito Cheng Chung-Ju Wu * config/nds32/nds32-multiple.md (load_multiple): Disallow volatile memory. (store_multiple): Ditto. 2018-02-26 Kito Cheng * config.gcc: Add --with-cpu support for nds32 target. * config/nds32/nds32-opts.h (nds32_cpu_type): New. * config/nds32/nds32.opt: Add -mcpu= option. 2018-02-25 Segher Boessenkool * config/rs6000/rs6000.opt (mvrsave=no, mvrsave=yes, isel=no, isel=yes): Warn for these deprecated options. 2018-02-23 David Edelsohn * config/rs6000/aix71.h (TARGET_DEFAULT): Change to ISA_2_5_MASKS_EMBEDDED. 2018-02-23 Jakub Jelinek * ipa-prop.c (ipa_vr_ggc_hash_traits::hash): Hash p->min and p->max as pointers rather than using iterative_hash_expr. 2018-02-23 Carl Love * config/rs6000/rs6000-builtin.def: Change VSIGNED2 and VUNSIGNED2 macro expansions from BU_VSX_2 to BU_P8V_VSX_2 and BU_VSX_OVERLOAD_2 to BU_P8V_OVERLOAD_2. * config/rs6000/rs6000-c.c: Change VSX_BUILTIN_VEC_VSIGNED2 to P8V_BUILTIN_VEC_VSIGNED2. Change VSX_BUILTIN_VEC_VUNSIGNED2 to P8V_BUILTIN_VEC_VUNSIGNED2. 2018-02-22 Vladimir Makarov PR target/81572 * lra-int.h (LRA_UNKNOWN_ALT, LRA_NON_CLOBBERED_ALT): New macros. * lra.c (lra_set_insn_recog_data, lra_update_insn_recog_data): Use LRA_UNKNOWN_ALT. * lra-constraints.c (curr_insn_transform): Set up LRA_NON_CLOBBERED_ALT for moves processed on the fast path. Use LRA_UNKNOWN_ALT. (remove_inheritance_pseudos): Use LRA_UNKNOWN_ALT. * lra-eliminations.c (spill_pseudos): Ditto. (process_insn_for_elimination): Ditto. * lra-lives.c (reg_early_clobber_p): Use the new macros. * lra-spills.c (spill_pseudos): Use LRA_UNKNOWN_ALT and LRA_NON_CLOBBERED_ALT. 2018-02-22 Martin Sebor PR tree-optimization/84480 * gimple-fold.c (gimple_fold_builtin_strcpy): Move warnings to maybe_diag_stxncpy_trunc. Call it. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Integrate warnings from gimple_fold_builtin_strcpy. Print inlining stack. (handle_builtin_stxncpy): Print inlining stack. * tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Declare. 2018-02-22 H.J. Lu PR target/84176 * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an error when -mindirect-branch=thunk-extern, -fcf-protection=branch and -fcheck-pointer-bounds are used together. (indirect_thunk_prefix): New enum. (indirect_thunk_need_prefix): New function. (indirect_thunk_name): Replace need_bnd_p with need_prefix. Use "_nt" instead of "_bnd" for NOTRACK prefix. (output_indirect_thunk): Replace need_bnd_p with need_prefix. (output_indirect_thunk_function): Likewise. (): Likewise. (ix86_code_end): Update output_indirect_thunk_function calls. (ix86_output_indirect_branch_via_reg): Replace ix86_bnd_prefixed_insn_p with indirect_thunk_need_prefix. (ix86_output_indirect_branch_via_push): Likewise. (ix86_output_function_return): Likewise. * doc/invoke.texi: Document -mindirect-branch=thunk-extern is incompatible with -fcf-protection=branch and -fcheck-pointer-bounds. 2018-02-22 Steve Ellcey PR target/83335 * config/aarch64/aarch64.c (aarch64_print_address_internal): Change gcc_assert call to output_operand_lossage. 2018-02-22 Steve Ellcey * doc/extend.texi (__builtin_extend_pointer): Document builtin. 2018-02-22 DJ Delorie Sebastian Perta Oleg Endo * config/rx/rx.c (rx_rtx_costs): New function. (TARGET_RTX_COSTS): Override to use rx_rtx_costs. 2018-02-22 Thomas Preud'homme * config/arm/t-multilib: Map Armv8-R to Armv7 multilibs. 2018-02-22 Martin Liska PR driver/83193 * common/config/arm/arm-common.c (arm_print_hint_for_cpu_option): Add "native" as a possible value. 2018-02-22 Martin Liska PR driver/83193 * config/i386/i386.c (ix86_option_override_internal): Add "native" as a possible value for -march and -mtune. 2018-02-22 Jakub Jelinek PR target/84502 * stor-layout.c (finalize_type_size): Propagate TYPE_EMPTY_P flag to all type variants. PR tree-optimization/84503 * gimple-ssa-store-merging.c (merged_store_group::merge_into): Compute width as info->bitpos + info->bitsize - start. (merged_store_group::merge_overlapping): Simplify width computation. (check_no_overlap): New function. (imm_store_chain_info::try_coalesce_bswap): Compute expected start + width and last_order of the group, fail if check_no_overlap fails. (imm_store_chain_info::coalesce_immediate_stores): Don't merge info to group if check_no_overlap fails. 2018-02-21 Segher Boessenkool * config/rs6000/altivec.md: Delete contraint arguments to define_expand, define_split, and define_peephole2, and in define_insn_and_split if always unused. * config/rs6000/darwin.md: Ditto. * config/rs6000/dfp.md: Ditto. * config/rs6000/rs6000.md: Ditto. * config/rs6000/sync.md: Ditto. * config/rs6000/vector.md: Ditto. * config/rs6000/vsx.md: Ditto. 2018-02-21 Segher Boessenkool * config/rs6000/altivec.md: Write output control strings as braced blocks instead of double-quoted strings. * config/rs6000/darwin.md: Ditto. * config/rs6000/rs6000.md: Ditto. * config/rs6000/vector.md: Ditto. * config/rs6000/vsx.md: Ditto. 2018-02-21 Jason Merrill PR c++/84314 - ICE with templates and fastcall attribute. * attribs.c (build_type_attribute_qual_variant): Remove assert. 2018-02-21 Jan Hubicka * ipa-cp.c (determine_versionability): Fix comment typos. 2018-02-21 Jan Hubicka PR c/84229 * ipa-cp.c (determine_versionability): Do not version functions caling va_arg_pack. 2018-02-21 Martin Liska PR driver/83193 * config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch): Add "native" as a possible value. * config/aarch64/aarch64.h (HAVE_LOCAL_CPU_DETECT): Define the macro when native cpu detection is available. 2018-02-21 Martin Liska PR driver/83193 * common/config/arm/arm-common.c (arm_print_hint_for_arch_option): Add "native" as a possible value. * config/arm/arm.h (HAVE_LOCAL_CPU_DETECT): Define the macro when native cpu detection is available. 2018-02-21 Jakub Jelinek Martin Sebor PR tree-optimization/84478 * gimple-fold.h (get_range_strlen): Add a bool argument defaulted to false. * gimple-fold.c (get_range_strlen): Make minlen const and assume it can't be NULL. Change FUZZY from bool to int, for 1 add PHI/COND_EXPR support which is conservatively correct, for 2 only stay conservative for maxlen. Formatting and comment capitalization fixes. Add STRICT argument to the 2 argument get_range_strlen, adjust 6 arg get_range_strlen caller and clear minmaxlen[0] and [1] if it returned false. (get_maxval_strlen): Adjust 6 arg get_range_strlen caller. (gimple_fold_builtin_strlen): Pass true as last argument to get_range_strlen. 2018-02-20 Martin Sebor PR middle-end/84095 * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range): New. (builtin_memref::set_base_and_offset): Same. Handle inner references. (builtin_memref::builtin_memref): Factor out parts into set_base_and_offset and call it. 2018-02-20 Richard Sandiford PR middle-end/84406 * optabs-query.c (find_widening_optab_handler_and_mode): If from_mode is a scalar_int_mode, assert that to_mode is a scalar_int_mode with greater precision. If to_mode is a MODE_PARTIAL_INT, stop the search at the associated MODE_INT. 2018-02-20 Jeff Law PR middle-end/82123 PR tree-optimization/81592 PR middle-end/79257 * gimple-ssa-sprintf.c (format_integer): Query EVRP range analyzer for range data rather than using global data. * gimple-ssa-sprintf.c (get_int_range): Query EVRP range analyzer for range data rather than using global data. * gimple-ssa-sprintf.c (get_int_range): Accept vr_values parameter pass it to children as needed. (struct directive::fmtresult): Similarly. (struct directive::set_width): Similarly. (struct directive::set_precision): Similarly. (format_integer, format_directive, parse_directive): Similarly. (format_none): Accept unnamed vr_values parameter. (format_percent, format_floating, format_character): Similarly. (format_string, format_plain): Similarly. * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call): Query the EVRP range analyzer for range data rather than using global data. * gimple-ssa-sprintf.c: Include alloc-pool.h, vr-values.h and gimple-ssa-evrp-analyze.h (class sprintf_dom_walker): Add after_dom_children member function. Add evrp_range_analyzer member. (sprintf_dom_walker::before_dom_children): Call into the EVRP range analyzer as needed. (sprintf_dom_walker::after_dom_children): New member function. * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::enter): Do nothing if not optimizing. (evrp_range_analyzer::record_ranges_from_stmt): Likewise. (evrp_range_analyzer::pop_to_marker): Likewise. 2018-02-20 Richard Sandiford PR tree-optimization/84419 * internal-fn.c (expand_call_mem_ref): Create a TARGET_MEM_REF with the required type if its current type is compatible but different. 2018-02-20 Jakub Jelinek PR middle-end/82004 * match.pd (pow(C,x) -> exp(log(C)*x)): Delay all folding until after vectorization. 2018-02-20 Martin Liska PR driver/83193 * config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch): Print possible values if we don't have a hint. 2018-02-20 Martin Liska PR c/84310 PR target/79747 * final.c (shorten_branches): Build align_tab array with one more element. * opts.c (finish_options): Add alignment option limit check. (MAX_CODE_ALIGN): Likewise. (MAX_CODE_ALIGN_VALUE): Likewise. * doc/invoke.texi: Document maximum allowed option value for all -falign-* options. 2018-02-19 Jakub Jelinek PR target/84146 * reg-notes.def (REG_CALL_ARG_LOCATION): New reg note. * insn-notes.def (NOTE_INSN_CALL_ARG_LOCATION): Remove. * var-tracking.c (emit_note_insn_var_location): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. (emit_notes_in_bb): Emit arguments as REG_CALL_ARG_LOCATION note on the CALL_INSN rather than separate NOTE_INSN_CALL_ARG_LOCATION note. Use copy_rtx_if_shared. * dwarf2out.c (gen_subprogram_die): Use XEXP with 0 instead of NOTE_VAR_LOCATION on ca_loc->call_arg_loc_note. (dwarf2out_var_location): Remove handling of NOTE_INSN_CALL_ARG_LOCATION, instead handle REG_CALL_ARG_LOCATION note on call_insn. * final.c (final_scan_insn): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. (rest_of_clean_state): Likewise. Remove REG_CALL_ARG_LOCATION notes before dumping final insns. * except.c (emit_note_eh_region_end): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. * config/alpha/alpha.c (alpha_pad_function_end): Likewise. * config/c6x/c6x.c (c6x_gen_bundles): Likewise. * config/arc/arc.c (hwloop_optimize): Likewise. * config/arm/arm.c (create_fix_barrier): Likewise. * config/s390/s390.c (s390_chunkify_start): Likewise. * config/sh/sh.c (find_barrier): Likewise. * config/i386/i386.c (rest_of_insert_endbranch, ix86_seh_fixup_eh_fallthru): Likewise. * config/xtensa/xtensa.c (hwloop_optimize): Likewise. * config/iq2000/iq2000.c (final_prescan_insn): Likewise. * config/frv/frv.c (frv_function_prologue): Likewise. * emit-rtl.c (try_split): Likewise. Copy over REG_CALL_ARG_LOCATION reg note. (note_outside_basic_block_p): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. * gengtype.c (adjust_field_rtx_def): Likewise. * print-rtl.c (rtx_writer::print_rtx_operand_code_0, print_insn): Likewise. * jump.c (cleanup_barriers, delete_related_insns): Likewise. * cfgrtl.c (force_nonfallthru_and_redirect): Likewise. PR c++/84444 * builtins.c (builtin_mathfn_code): Don't check if CALL_EXPR_FN (t) is ADDR_EXPR. PR tree-optimization/84452 * tree-vect-patterns.c (vect_recog_pow_pattern): Don't call expand_simd_clones if targetm.simd_clone.compute_vecsize_and_simdlen is NULL. 2018-02-19 Martin Liska PR sanitizer/82183 * passes.def: Put pass_sancov_O0 before pass_lower_switch with -O0. 2018-02-19 Martin Liska Richard Sandiford PR tree-optimization/82491 * gimple-fold.c (get_base_constructor): Make earlier bail out to prevent ubsan. 2018-02-19 Carl Love * config/rs6000/rs6000-builtin.def: Change NEG macro expansions from BU_ALTIVEC_A to BU_P8V_AV_1 and BU_ALTIVEC_OVERLOAD_1 to BU_P8V_OVERLOAD_1. * config/rs6000/rs6000-c.c: Change ALTIVEC_BUILTIN_VEC_NEG to P8V_BUILTIN_VEC_NEG. 2018-02-19 Sebastian Perta * config/rl78/rl78.md (movdf): New define expand. 2018-02-19 Martin Liska PR other/80589 * doc/invoke.texi: Fix typo. * params.def (PARAM_MAX_LOOP_HEADER_INSNS): Likewise. 2018-02-18 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't handle rs6000_single_float and rs6000_double_float specially for e500 family CPUs. 2018-02-16 Jeff Law * config/rx/rx.c (add_pop_cfi_notes): New function.; (pop_regs): Use it. 2018-02-16 Jakub Jelinek PR ipa/84425 * ipa-inline.c (inline_small_functions): Fix a typo. 2018-02-16 Nathan Sidwell * doc/extend.texi (Backwards Compatibility): Americanize 'behaviour'. 2018-02-16 Carl Love * config/rs6000/rs6000-builtin.def: Add BU_P8V_VSX_2 macro definition. Change FLOAT2 expansions from BU_VSX_2 to BU_P8V_VSX_2 and from BU_VSX_OVERLOAD_2 to BU_P8V_OVERLOAD_2. * config/rs6000/rs6000-c.c: Changed macro VSX_BUILTIN_VEC_FLOAT2 expansion to P8V_BUILTIN_VEC_FLOAT2. 2018-02-16 Vladimir Makarov PR rtl-optimization/70023 * lra-constraints.c (inherit_in_ebb): Take hard reg mode of src_regno into account. 2018-02-16 Carl Love * config/rs6000/altivec.h: Remove vec_vextract4b and vec_vinsert4b. * config/rs6000/rs6000-builtin.def: Remove macro expansion for VEXTRACT4B, VINSERT4B, VINSERT4B_DI and VEXTRACT4B. * config/rs6000/rs6000.c: Remove case statements for P9V_BUILTIN_VEXTRACT4B, P9V_BUILTIN_VEC_VEXTRACT4B, P9V_BUILTIN_VINSERT4B, P9V_BUILTIN_VINSERT4B_DI, and P9V_BUILTIN_VEC_VINSERT4B. * config/rs6000/rs6000-c.c (altivec_expand_builtin): Remove entries for P9V_BUILTIN_VEC_VEXTRACT4B and P9V_BUILTIN_VEC_VINSERT4B. * config/rs6000/vsx.md: * doc/extend.texi: Remove vec_vextract4b, non ABI definitions for vec_insert4b. 2018-02-16 Carl Love * config/rs6000/altivec.h: Add builtin names vec_extract4b vec_insert4b. * config/rs6000/rs6000-builtin.def: Add INSERT4B and EXTRACT4B definitions. * config/rs6000/rs6000-c.c: Add the definitions for P9V_BUILTIN_VEC_EXTRACT4B and P9V_BUILTIN_VEC_INSERT4B. * config/rs6000/rs6000.c (altivec_expand_builtin): Add P9V_BUILTIN_EXTRACT4B and P9V_BUILTIN_INSERT4B case statements. * config/rs6000/vsx.md: Add define_insn extract4b. Add define_expand definition for insert4b and define insn *insert3b_internal. * doc/extend.texi: Add documentation for vec_extract4b. 2018-02-16 Nathan Sidwell * doc/extend.texi (Backwards Compatibility): Mention friend injection. Note for-scope is deprecated. * doc/invoke.texi (-ffriend-injection): Deprecate. 2018-02-16 Segher Boessenkool * combine.c (try_combine): When adjusting LOG_LINKS for the destination that moved to I2, also allow destinations that are a paradoxical subreg (instead of a normal reg). 2018-02-16 Oleg Endo PR target/83831 * config/rx/rx.c (rx_fuse_in_memory_bitop): Convert shift operand to QImode. 2018-02-16 Richard Biener PR tree-optimization/84037 PR tree-optimization/84016 PR target/82862 * config/i386/i386.c (ix86_builtin_vectorization_cost): Adjust vec_construct for the fact we need additional higher latency 128bit inserts for AVX256 and AVX512 vector builds. (ix86_add_stmt_cost): Scale vector construction cost for elementwise loads. 2018-02-16 Richard Biener PR tree-optimization/84417 * tree-ssa.c (non_rewritable_mem_ref_base): Properly constrain the MEM_REF offset when conversion to BIT_FIELD_REF is desired. (non_rewritable_lvalue_p): Likewise, use poly-ints. 2018-02-16 Martin Liska PR sanitizer/84307 * internal-fn.def (ASAN_CHECK): Set proper flags. (ASAN_MARK): Likewise. 2018-02-16 Julia Koval * config/i386/i386.c (ix86_option_override_internal): Remove PTA_CLWB from PTA_CANNONLAKE. 2018-02-16 Jakub Jelinek PR target/84272 * config/aarch64/cortex-a57-fma-steering.c (fma_forest::merge_forest): Use ++iter rather than iter++ for std::list iterators. (func_fma_steering::dfs): Likewise. Don't delete nodes right away, defer deleting them until all nodes in the forest are processed. Do free even leaf nodes. Change to_process into auto_vec. PR bootstrap/84405 * system.h (BROKEN_VALUE_INITIALIZATION): Define for GCC < 4.3. * vec.h (vec_default_construct): Use memset instead of placement new if BROKEN_VALUE_INITIALIZATION is defined. * hash-table.h (hash_table::empty_slow): Use memset instead of value initialization if BROKEN_VALUE_INITIALIZATION is defined. PR rtl-optimization/83723 * lra-int.h (lra_substitute_pseudo): Add DEBUG_P argument. * lra.c (lra_substitute_pseudo): Likewise. If true, use gen_rtx_raw_SUBREG instead of gen_rtx_SUBREG. Pass DEBUG_P to recursive calls. (lra_substitute_pseudo_within_insn): Adjust lra_substitute_pseudo callers. * lra-constraints.c (inherit_reload_reg, split_reg): Likewise. 2018-02-16 Eric Botcazou PR rtl-optimization/81443 * rtlanal.c (num_sign_bit_copies1) : Do not propagate results from inner REGs to paradoxical SUBREGs. 2018-02-16 Richard Biener PR tree-optimization/84399 * graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p): For operands we can analyze at their definition make sure we can analyze them at each use as well. 2018-02-16 Richard Biener PR tree-optimization/84190 * tree-ssa.c (non_rewritable_mem_ref_base): Do not touch volatile accesses if the decl isn't volatile. 2018-02-15 Jason Merrill PR c++/84314 - ICE with templates and fastcall attribute. * attribs.c (build_type_attribute_qual_variant): Don't clobber TYPE_CANONICAL on an existing type. 2018-02-15 Jakub Jelinek PR tree-optimization/84383 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Don't look at dstoff nor call operand_equal_p if dstbase is NULL. PR tree-optimization/84334 * match.pd ((A +- CST1) +- CST2 -> A + CST3): If A is also a CONSTANT_CLASS_P, punt. 2018-02-14 Jim Wilson * config/riscv/riscv.c (riscv_first_stack_step): Move locals after first SMALL_OPERAND check. New local min_second_step. Move assert to where locals are set. Add TARGET_RVC support. * config/riscv/riscv.h (C_SxSP_BITS, SWSP_REACH, SDSP_REACH): New. 2018-02-14 Indu Bhagat * doc/invoke.texi: Correct -Wformat-overflow code sample. 2018-02-14 Martin Sebor PR tree-optimization/83698 * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For arrays constrain the offset range to their bounds. (builtin_access::strcat_overlap): Adjust the bounds of overlap offset. (builtin_access::overlap): Avoid setting the size of overlap if it's already been set. (maybe_diag_overlap): Also consider arrays when deciding what values of offsets to include in diagnostics. 2018-02-14 Martin Sebor PR c/84108 * attribs.c (diag_attr_exclusions): Consider the exclusion(s) that correspond to the kind of a declaration. 2018-02-14 John David Anglin PR target/83984 * config/pa/pa.md: Load address of PIC label using the linkage table if the label is nonlocal. 2018-02-14 Kelvin Nilsen * config/rs6000/rs6000.c (rs6000_option_override_internal): Issue warning message if user requests -maltivec=be. * doc/invoke.texi: Document deprecation of -maltivec=be. 2018-02-14 Will Schmidt PR target/84220 * config/rs6000/rs6000-c.c: Update definitions for ALTIVEC_BUILTIN_VEC_SLD, ALTIVEC_BUILTIN_VEC_SLDW, VEC_XXSLDWI and ALTIVEC_BUILTIN_VEC_XXPERMDI builtins. 2018-02-14 Igor Tsimbalist PR target/84239 * config/i386/cetintrin.h: Remove _rdssp[d|q] and add _get_ssp intrinsics. Remove argument from __builtin_ia32_rdssp[d|q]. * config/i386/i386-builtin-types.def: Add UINT_FTYPE_VOID. * config/i386/i386-builtin.def: Remove argument from __builtin_ia32_rdssp[d|q]. * config/i386/i386.c: Use UINT_FTYPE_VOID. Use ix86_expand_special_args_builtin for _rdssp[d|q]. * config/i386/i386.md: Remove argument from rdssp[si|di] insn. Clear register before usage. * doc/extend.texi: Remove argument from __builtin_ia32_rdssp[d|q]. Add documentation for new _get_ssp and _inc_ssp intrinsics. 2018-02-14 Richard Sandiford PR tree-optimization/84357 * tree-data-ref.c (object_address_invariant_in_loop_p): Check operand 1 of an ARRAY_REF too. 2018-02-14 Oleg Endo PR target/83831 * config/rx/rx-protos.h (rx_reg_dead_or_unused_after_insn, rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New declarations. (set_of_reg): New struct. (rx_find_set_of_reg, rx_find_use_of_reg): New functions. * config/rx/rx.c (rx_reg_dead_or_unused_after_insn, rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New functions. * config/rx/rx.md (andsi3, iorsi3, xorsi3): Convert to insn_and_split. Split into bitclr, bitset, bitinvert patterns if appropriate. (*bitset, *bitinvert, *bitclr): Convert to named insn_and_split and use rx_fuse_in_memory_bitop. (*bitset_in_memory, *bitinvert_in_memory, *bitclr_in_memory): Convert to named insn, correct maximum insn length. 2018-02-14 Jozef Lawrynowicz PR target/79242 * machmode.def: Define a complex mode for PARTIAL_INT. * genmodes.c (complex_class): Return MODE_COMPLEX_INT for MODE_PARTIAL_INT. * doc/rtl.texi: Document CSPImode. * config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode handling. (msp430_hard_regno_nregs_with_padding): Likewise. 2018-02-13 Peter Bergner PR target/84279 * config/rs6000/rs6000.c (mem_operand_gpr): Disallow altivec addresses. 2018-02-13 Segher Boessenkool PR rtl-optimization/84169 * combine.c (try_combine): New variable split_i2i3. Set it to true if we generated a parallel as new i3 and we split that to new i2 and i3 instructions. Handle split_i2i3 similar to swap_i2i3: scan the LOG_LINKs of i3 to see which of those need to link to i2 now. Link those to i2, not i1. Partially rewrite this scan code. 2018-02-13 Jakub Jelinek PR c/82210 * stor-layout.c (place_field): For variable length fields, adjust offset_align afterwards not just based on the field's alignment, but also on the size. PR middle-end/84309 * match.pd (pow(C,x) -> exp(log(C)*x)): Use exp2s and log2s instead of exps and logs in the use_exp2 case. 2018-02-13 Jeff Law * config/rl/rl78.c (rl78_attribute_table): Fix terminator and entry for "vector". * config/rl78/rl78.c (rl78_handle_func_attribute): Mark ARGS as unused. 2018-02-13 Alexandre Oliva PR debug/84342 PR debug/84319 * common.opt (gas-loc-support, gas-locview-support): New. (ginline-points, ginternal-reset-location-views): New. * doc/invoke.texi: Document them. Use @itemx where intended. (gvariable-location-views): Adjust. * target.def (reset_location_view): New. * doc/tm.texi.in (DWARF2_ASM_VIEW_DEBUG_INFO): New. (TARGET_RESET_LOCATION_VIEW): New. * doc/tm.texi: Rebuilt. * dwarf2out.c (dwarf2out_default_as_loc_support): New. (dwarf2out_default_as_locview_support): New. (output_asm_line_debug_info): Use option variables. (dwarf2out_maybe_output_loclist_view_pair): Likewise. (output_loc_list): Likewise. (add_high_low_attributes): Check option variables. Don't output entry view attribute in strict mode. (gen_inlined_subroutine_die): Check option variables. (dwarf2out_inline_entry): Likewise. (init_sections_and_labels): Likewise. (dwarf2out_early_finish): Likewise. (maybe_reset_location_view): New, from... (dwarf2out_var_location): ... here. Call it. * debug.h (dwarf2out_default_as_loc_support): Declare. (dwarf2out_default_as_locview_support): Declare. * hooks.c (hook_int_rtx_insn_0): New. * hooks.h (hook_int_rtx_insn_0): Declare. * toplev.c (process_options): Take -gas-loc-support and -gas-locview-support from dwarf2out. Enable -gvariable-location-views by default only with locview assembler support. Enable -ginternal-reset-location-views by default only if the target defines the corresponding hook. Enable -ginline-points by default if location views are enabled; force it disabled if statement frontiers are disabled. * tree-inline.c (expand_call_inline): Check option variables. * tree-ssa-live.c (remove_unused_scope_block_p): Likewise. 2018-02-13 Richard Sandiford PR tree-optimization/84321 * tree-vrp.c (intersect_range_with_nonzero_bits): Fix VR_ANTI_RANGE handling. Also check whether the anti-range contains any values that satisfy the mask; switch to a VR_RANGE if not. 2018-02-13 Paolo Bonzini PR sanitizer/84340 * internal-fn.def (ASAN_CHECK, ASAN_MARK): Revert changes to fnspec. 2018-02-13 Martin Jambor PR c++/83990 * ipa-param-manipulation.c (ipa_modify_call_arguments): Use location of call statements, also set location of a load to a temporary. 2018-02-13 Sebastian Perta * config/rl78/rl78.c (add_vector_labels): New function. * config/rl78/rl78.c (rl78_handle_vector_attribute): New function. * config/rl78/rl78.c (rl78_start_function): Call add_vector_labels. * config/rl78/rl78.c (rl78_handle_func_attribute): Removed the assert which checks that no arguments are passed. * config/rl78/rl78.c (rl78_attribute_table): Add "vector" attribute. * doc/extend.texi: Documentation for the new attribute. 2018-02-13 Andreas Schwab * config/riscv/linux.h (CPP_SPEC): Define. 2018-02-13 Jakub Jelinek PR target/84335 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Pass OPTION_MASK_ISA_AES | OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_AES as first argument to def_builtin_const for AES builtins. Pass OPTION_MASK_ISA_PCLMUL | OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_PCLMUL as first argument to def_builtin_const for __builtin_ia32_pclmulqdq128 builtin. * config/i386/wmmintrin.h: If __SSE2__ is not defined, enable it temporarily for AES and PCLMUL builtins. PR tree-optimization/84339 * gimple-fold.c (get_range_strlen): Set *FLEXP to true when handling ARRAY_REF where first operand is array_at_struct_end_p COMPONENT_REF. Formatting fixes. PR middle-end/84309 * match.pd (pow(C,x) -> exp(log(C)*x)): Optimize instead into exp2(log2(C)*x) if C is a power of 2 and c99 runtime is available. * generic-match-head.c (canonicalize_math_after_vectorization_p): New inline function. * gimple-match-head.c (canonicalize_math_after_vectorization_p): New inline function. * omp-simd-clone.h: New file. * omp-simd-clone.c: Include omp-simd-clone.h. (expand_simd_clones): No longer static. * tree-vect-patterns.c: Include fold-const-call.h, attribs.h, cgraph.h and omp-simd-clone.h. (vect_recog_pow_pattern): Optimize pow(C,x) to exp(log(C)*x). (vect_recog_widen_shift_pattern): Formatting fix. (vect_pattern_recog_1): Don't check optab for calls. PR target/84336 * config/i386/sse.md (_vpermi2var3_mask): Force operands[2] into a REG before using gen_lowpart on it. 2018-02-12 Jeff Law PR target/83760 * config/sh/sh.c (find_barrier): Consider a sibling call a barrier as well. * cse.c (try_back_substitute_reg): Move any REG_ARGS_SIZE note when successfully back substituting a reg. 2018-02-12 Richard Biener PR tree-optimization/84037 * tree-vect-slp.c (vect_analyze_slp_cost): Add visited parameter, move visited init to caller. (vect_slp_analyze_operations): Separate cost from validity check, initialize visited once for all instances. (vect_schedule_slp): Analyze map to CSE vectorized nodes once for all instances. * tree-vect-stmts.c (vect_model_simple_cost): Make early out an assert. (vect_model_promotion_demotion_cost): Likewise. (vectorizable_bswap): Guard cost modeling with !slp_node instead of !PURE_SLP_STMT to avoid double-counting on hybrid SLP stmts. (vectorizable_call): Likewise. (vectorizable_conversion): Likewise. (vectorizable_assignment): Likewise. (vectorizable_shift): Likewise. (vectorizable_operation): Likewise. (vectorizable_store): Likewise. (vectorizable_load): Likewise. (vectorizable_condition): Likewise. (vectorizable_comparison): Likewise. 2018-02-12 Paolo Bonzini PR sanitizer/84307 * internal-fn.def (ASAN_CHECK): Fix fnspec to account for return value. (ASAN_MARK): Fix fnspec to account for return value, change pointer argument from 'R' to 'W' so that the pointed-to datum is clobbered. 2018-02-08 Jan Hubicka PR middle-end/83665 * params.def (inline-min-speedup): Increase from 8 to 15. (max-inline-insns-auto): Decrease from 40 to 30. * ipa-split.c (consider_split): Add some buffer for function to be considered inlining candidate. * invoke.texi (max-inline-insns-auto, inline-min-speedup): UPdate default values. 2018-02-12 Richard Biener PR tree-optimization/84037 * tree-vect-slp.c (vect_build_slp_tree_2): Try swapping the matched stmts if we cannot swap the non-matched ones. 2018-02-12 Olga Makhotina * config/i386/avx512fintrin.h (_mm_mask_scalef_round_sd, _mm_maskz_scalef_round_sd, _mm_mask_scalef_round_ss, _mm_maskz_scalef_round_ss): New intrinsics. (__builtin_ia32_scalefsd_round, __builtin_ia32_scalefss_round): Fix. * config/i386/i386-builtin.def (__builtin_ia32_scalefsd_round, __builtin_ia32_scalefss_round): Remove. (__builtin_ia32_scalefsd_mask_round, __builtin_ia32_scalefss_mask_round): New intrinsics. * config/i386/sse.md (vmscalef): Renamed to ... (vmscalef): ... this. ((match_operand:VF_128 2 "" "")): Changed to ... ((match_operand:VF_128 2 "" "")): ... this. ("vscalef\t{%2, %1, %0| %0, %1, %2}"): Changed to ... ("vscalef\t{%2, %1, %0|%0, %1, %2}"): ... this. * config/i386/subst.md (round_scalar_nimm_predicate): New. 2018-02-12 Olga Makhotina * config/i386/avx512fintrin.h (_mm_mask_sqrt_round_sd) (_mm_maskz_sqrt_round_sd, _mm_mask_sqrt_round_ss) (_mm_maskz_sqrt_round_ss): New intrinsics. (__builtin_ia32_sqrtsd_round, __builtin_ia32_sqrtss_round): Remove. (__builtin_ia32_sqrtsd_mask_round) (__builtin_ia32_sqrtss_mask_round): New builtins. * config/i386/i386-builtin.def (__builtin_ia32_sqrtsd_round) (__builtin_ia32_sqrtss_round): Remove. (__builtin_ia32_sqrtsd_mask_round) (__builtin_ia32_sqrtss_mask_round): New builtins. * config/i386/sse.md (vmsqrt2): Renamed to ... (vmsqrt2): ... this. ((match_operand:VF_128 1 "vector_operand" "xBm,")): Changed to ... ((match_operand:VF_128 1 "vector_operand" "xBm,")): ... this. (vsqrt\t{%1, %2, %0| %0, %2, %1}): Changed to ... (vsqrt\t{%1, %2, %0|%0, %2, %1}): ... this. ((set_attr "prefix" "")): Changed to ... ((set_attr "prefix" "")): ... this. 2018-02-11 Steven Munroe PR target/84266 * config/rs6000/mmintrin.h (_mm_cmpeq_pi32 [_ARCH_PWR9]): Cast vec_cmpeq result to correct type. * config/rs6000/mmintrin.h (_mm_cmpgt_pi32 [_ARCH_PWR9]): Cast vec_cmpgt result to correct type. 2018-02-11 Alexandre Oliva * final.c (final_scan_insn_1): Renamed from... (final_scan_insn): ... this. New wrapper, to recover seen from the outermost call in recursive ones. * config/sparc/sparc.c (output_return): Drop seen from call. (output_sibcall): Likewise. * config/visium/visium.c (output_branch): Likewise. 2018-02-10 John David Anglin * config/pa/pa.c (hppa_profile_hook): Mark SYMBOL_REF for _mcount as function label. 2018-02-10 Alan Modra PR target/84300 * config/rs6000/rs6000.md (split_stack_return): Remove (use ..). Specify LR as an input. 2018-02-10 Jakub Jelinek PR sanitizer/83987 * omp-low.c (maybe_remove_omp_member_access_dummy_vars, remove_member_access_dummy_vars): New functions. (lower_omp_for, lower_omp_taskreg, lower_omp_target, lower_omp_1, execute_lower_omp): Use them. PR rtl-optimization/84308 * shrink-wrap.c (spread_components): Release todo vector. 2018-02-09 Vladimir Makarov PR rtl-optimization/57193 * ira-color.c (struct allocno_color_data): Add member conflict_allocno_hard_prefs. (update_conflict_allocno_hard_prefs): New. (bucket_allocno_compare_func): Add a preference based on conflict_allocno_hard_prefs. (push_allocno_to_stack): Update conflict_allocno_hard_prefs. (color_allocnos): Remove a dead code. Initiate conflict_allocno_hard_prefs. Call update_costs_from_prefs. 2018-02-09 Jakub Jelinek PR target/84226 * config/rs6000/vsx.md (p9_xxbrq_v16qi): Change input operand constraint from =wa to wa. Avoid a subreg on the output operand, instead use a pseudo and subreg it in a move. (p9_xxbrd_): Changed to ... (p9_xxbrd_v2di): ... this insn, without VSX_D iterator. (p9_xxbrd_v2df): New expander. (p9_xxbrw_): Changed to ... (p9_xxbrw_v4si): ... this insn, without VSX_W iterator. (p9_xxbrw_v4sf): New expander. 2018-02-09 Sebastian Perta * config/rx/rx.md (movsicc): Update expander to be matched by GCC. 2018-02-09 Peter Bergner PR target/83926 * config/rs6000/vsx.md (vsx_mul_v2di): Handle generating a 64-bit multiply in 32-bit mode. (vsx_div_v2di): Handle generating a 64-bit signed divide in 32-bit mode. (vsx_udiv_v2di): Handle generating a 64-bit unsigned divide in 32-bit mode. 2018-02-09 Sebastian Perta * config/rx/constraints.md (CALL_OP_SYMBOL_REF): Added new constraint to allow or block "symbol_ref" depending on the value of TARGET_JSR. * config/rx/rx.md (call_internal): Use CALL_OP_SYMBOL_REF. * config/rx/rx.md (call_value_internal): Use CALL_OP_SYMBOL_REF. 2018-02-09 Pierre-Marie de Rodat PR lto/84213 * dwarf2out.c (is_trivial_indirect_ref): New function. (dwarf2out_late_global_decl): Do not generate a location attribute for variables that have a non-trivial DECL_VALUE_EXPR and that are not defined in the current unit. 2018-02-09 Eric Botcazou * optabs.c (prepare_cmp_insn): Try harder to emit a direct comparison instead of a libcall for UNORDERED. 2018-02-09 Tamar Christina PR target/82641 * config/arm/arm-c.c (arm_cpu_builtins): Un-define __ARM_FEATURE_LDREX, __ARM_ARCH_PROFILE, __ARM_ARCH_ISA_THUMB, __ARM_FP and __ARM_NEON_FP. 2018-02-09 Andreas Krebbel PR target/PR84295 * config/s390/s390.c (s390_set_current_function): Invoke s390_indirect_branch_settings also if fndecl didn't change. 2018-02-09 Alexandre Oliva * config/rs6000/rs6000.md (blockage): Set length to zero. 2018-02-09 Eric Botcazou * expr.c (optimize_bitfield_assignment_op): Remove obsolete assertion. 2018-02-09 Jakub Jelinek PR sanitizer/84285 * gcc.c (STATIC_LIBASAN_LIBS, STATIC_LIBTSAN_LIBS, STATIC_LIBLSAN_LIBS, STATIC_LIBUBSAN_LIBS): Handle -static like -static-lib*san. PR debug/84252 * var-tracking.c (vt_add_function_parameter): Punt for non-onepart PARALLEL incoming that failed vt_get_decl_and_offset check. PR middle-end/84237 * output.h (bss_initializer_p): Add NAMED argument, defaulted to false. * varasm.c (bss_initializer_p): Add NAMED argument, if true, ignore TREE_READONLY bit. (get_variable_section): For decls in named .bss* sections pass true as second argument to bss_initializer_p. 2018-02-09 Marek Polacek Jakub Jelinek PR c++/83659 * fold-const.c (fold_indirect_ref_1): Use VECTOR_TYPE_P macro. Formatting fixes. Verify first that tree_fits_poly_int64_p (op01). Sync some changes from cxx_fold_indirect_ref. 2018-02-09 Alexandre Oliva * cfgexpand.c (expand_gimple_basic_block): Handle inline entry markers. * dwarf2out.c (dwarf2_debug_hooks): Enable inline_entry hook. (BLOCK_INLINE_ENTRY_LABEL): New. (dwarf2out_var_location): Disregard inline entry markers. (inline_entry_data): New struct. (inline_entry_data_hasher): New hashtable type. (inline_entry_data_hasher::hash): New. (inline_entry_data_hasher::equal): New. (inline_entry_data_table): New variable. (add_high_low_attributes): Add DW_AT_entry_pc and DW_AT_GNU_entry_view attributes if a pending entry is found in inline_entry_data_table. Add old entry_pc attribute only if debug nonbinding markers are disabled. (gen_inlined_subroutine_die): Set BLOCK_DIE if nonbinding markers are enabled. (block_within_block_p, dwarf2out_inline_entry): New. (dwarf2out_finish): Check that no entries remained in inline_entry_data_table. * final.c (reemit_insn_block_notes): Handle inline entry notes. (final_scan_insn, notice_source_line): Likewise. (rest_of_clean_state): Skip inline entry markers. * gimple-pretty-print.c (dump_gimple_debug): Handle inline entry markers. * gimple.c (gimple_build_debug_inline_entry): New. * gimple.h (enum gimple_debug_subcode): Add GIMPLE_DEBUG_INLINE_ENTRY. (gimple_build_debug_inline_entry): Declare. (gimple_debug_inline_entry_p): New. (gimple_debug_nonbind_marker_p): Adjust. * insn-notes.def (INLINE_ENTRY): New. * print-rtl.c (rtx_writer::print_rtx_operand_code_0): Handle inline entry marker notes. (print_insn): Likewise. * rtl.h (NOTE_MARKER_P): Add INLINE_ENTRY support. (INSN_DEBUG_MARKER_KIND): Likewise. (GEN_RTX_DEBUG_MARKER_INLINE_ENTRY_PAT): New. * tree-inline.c (expand_call_inline): Build and insert debug_inline_entry stmt. * tree-ssa-live.c (remove_unused_scope_block_p): Preserve inline entry blocks early, if nonbind markers are enabled. (dump_scope_block): Dump fragment info. * var-tracking.c (reemit_marker_as_note): Handle inline entry note. * doc/gimple.texi (gimple_debug_inline_entry_p): New. (gimple_build_debug_inline_entry): New. * doc/invoke.texi (gstatement-frontiers, gno-statement-frontiers): Enable/disable inline entry points too. * doc/rtl.texi (NOTE_INSN_INLINE_ENTRY): New. (DEBUG_INSN): Describe inline entry markers. * common.opt (gvariable-location-views): New. (gvariable-location-views=incompat5): New. * config.in: Rebuilt. * configure: Rebuilt. * configure.ac: Test assembler for view support. * dwarf2asm.c (dw2_asm_output_symname_uleb128): New. * dwarf2asm.h (dw2_asm_output_symname_uleb128): Declare. * dwarf2out.c (var_loc_view): New typedef. (struct dw_loc_list_struct): Add vl_symbol, vbegin, vend. (dwarf2out_locviews_in_attribute): New. (dwarf2out_locviews_in_loclist): New. (dw_val_equal_p): Compare val_view_list of dw_val_class_view_lists. (enum dw_line_info_opcode): Add LI_adv_address. (struct dw_line_info_table): Add view. (RESET_NEXT_VIEW, RESETTING_VIEW_P): New macros. (DWARF2_ASM_VIEW_DEBUG_INFO): Define default. (zero_view_p): New variable. (ZERO_VIEW_P): New macro. (output_asm_line_debug_info): New. (struct var_loc_node): Add view. (add_AT_view_list, AT_loc_list): New. (add_var_loc_to_decl): Add view param. Test it against last. (new_loc_list): Add view params. Record them. (AT_loc_list_ptr): Handle loc and view lists. (view_list_to_loc_list_val_node): New. (print_dw_val): Handle dw_val_class_view_list. (size_of_die): Likewise. (value_format): Likewise. (loc_list_has_views): New. (gen_llsym): Set vl_symbol too. (maybe_gen_llsym, skip_loc_list_entry): New. (dwarf2out_maybe_output_loclist_view_pair): New. (output_loc_list): Output view list or entries too. (output_view_list_offset): New. (output_die): Handle dw_val_class_view_list. (output_dwarf_version): New. (output_compilation_unit_header): Use it. (output_skeleton_debug_sections): Likewise. (output_rnglists, output_line_info): Likewise. (output_pubnames, output_aranges): Update version comments. (output_one_line_info_table): Output view numbers in asm comments. (dw_loc_list): Determine current endview, pass it to new_loc_list. Call maybe_gen_llsym. (loc_list_from_tree_1): Adjust. (add_AT_location_description): Create view list attribute if needed, check it's absent otherwise. (convert_cfa_to_fb_loc_list): Adjust. (maybe_emit_file): Call output_asm_line_debug_info for test. (dwarf2out_var_location): Reset views as needed. Precompute add_var_loc_to_decl args. Call get_attr_min_length only if we have the attribute. Set view. (new_line_info_table): Reset next view. (set_cur_line_info_table): Call output_asm_line_debug_info for test. (dwarf2out_source_line): Likewise. Output view resets and labels to the assembler, or select appropriate line info opcodes. (prune_unused_types_walk_attribs): Handle dw_val_class_view_list. (optimize_string_length): Catch it. Adjust. (resolve_addr): Copy vl_symbol along with ll_symbol. Handle dw_val_class_view_list, and remove it if no longer needed. (hash_loc_list): Hash view numbers. (loc_list_hasher::equal): Compare them. (optimize_location_lists): Check whether a view list symbol is needed, and whether the locview attribute is present, and whether they match. Remove the locview attribute if no longer needed. (index_location_lists): Call skip_loc_list_entry for test. (dwarf2out_finish): Call output_asm_line_debug_info for test. Use output_dwarf_version. * dwarf2out.h (enum dw_val_class): Add dw_val_class_view_list. (struct dw_val_node): Add val_view_list. * final.c (SEEN_NEXT_VIEW): New. (set_next_view_needed): New. (clear_next_view_needed): New. (maybe_output_next_view): New. (final_start_function): Rename to... (final_start_function_1): ... this. Take pointer to FIRST, add SEEN parameter. Emit param bindings in the initial view. (final_start_function): Reintroduce SEEN-less interface. (final): Rename to... (final_1): ... this. Take SEEN parameter. Output final pending next view at the end. (final): Reintroduce seen-less interface. (final_scan_insn): Output pending next view before switching sections or ending a block. Mark the next view as needed when outputting variable locations. Notify debug backend of section changes, and of location view changes. (rest_of_handle_final): Adjust. * toplev.c (process_options): Autodetect value for debug variable location views option. Warn on incompat5 without -gdwarf-5. * doc/invoke.texi (gvariable-location-views): New. (gvariable-location-views=incompat5): New. (gno-variable-location-views): New. 2018-02-08 David Malcolm PR tree-optimization/84136 * tree-cfg.c (find_taken_edge_computed_goto): Remove assertion that the result of find_edge is non-NULL. 2018-02-08 Sergey Shalnov PR target/83008 * config/i386/x86-tune-costs.h (skylake_cost): Fix cost of storing integer register in SImode. Fix cost of 256 and 512 byte aligned SSE register store. 2018-02-08 Sergey Shalnov * config/i386/i386.c (ix86_multiplication_cost): Fix multiplication cost for TARGET_AVX512DQ. 2018-02-08 Marek Polacek PR tree-optimization/84238 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Verify the result of get_range_strlen. 2018-02-08 Richard Sandiford PR tree-optimization/84265 * tree-vect-stmts.c (vectorizable_store): Don't treat VMAT_CONTIGUOUS accesses as grouped. (vectorizable_load): Likewise. 2018-02-08 Richard Sandiford PR tree-optimization/81635 * wide-int.h (wi::round_down_for_mask, wi::round_up_for_mask): Declare. * wide-int.cc (wi::round_down_for_mask, wi::round_up_for_mask) (test_round_for_mask): New functions. (wide_int_cc_tests): Call test_round_for_mask. * tree-vrp.h (intersect_range_with_nonzero_bits): Declare. * tree-vrp.c (intersect_range_with_nonzero_bits): New function. * tree-data-ref.c (split_constant_offset_1): Use it to refine the range returned by get_range_info. 2018-02-08 Jan Hubicka PR ipa/81360 * cgraph.h (symtab_node::output_to_lto_symbol_table_p): Declare * symtab.c: Include builtins.h (symtab_node::output_to_lto_symbol_table_p): Move here from lto-streamer-out.c:output_symbol_p. * lto-streamer-out.c (write_symbol): Turn early exit to assert. (output_symbol_p): Move all logic to symtab.c (produce_symtab): Update. 2018-02-08 Andreas Krebbel * config/s390/s390-opts.h (enum indirect_branch): Define. * config/s390/s390-protos.h (s390_return_addr_from_memory) (s390_indirect_branch_via_thunk) (s390_indirect_branch_via_inline_thunk): Add function prototypes. (enum s390_indirect_branch_type): Define. * config/s390/s390.c (struct s390_frame_layout, struct machine_function): Remove. (indirect_branch_prez10thunk_mask, indirect_branch_z10thunk_mask) (indirect_branch_table_label_no, indirect_branch_table_name): Define variables. (INDIRECT_BRANCH_NUM_OPTIONS): Define macro. (enum s390_indirect_branch_option): Define. (s390_return_addr_from_memory): New function. (s390_handle_string_attribute): New function. (s390_attribute_table): Add new attribute handler. (s390_execute_label): Handle UNSPEC_EXECUTE_JUMP patterns. (s390_indirect_branch_via_thunk): New function. (s390_indirect_branch_via_inline_thunk): New function. (s390_function_ok_for_sibcall): When jumping via thunk disallow sibling call optimization for non z10 compiles. (s390_emit_call): Force indirect branch target to be a single register. Add r1 clobber for non-z10 compiles. (s390_emit_epilogue): Emit return jump via return_use expander. (s390_reorg): Handle JUMP_INSNs as execute targets. (s390_option_override_internal): Perform validity checks for the new command line options. (s390_indirect_branch_attrvalue): New function. (s390_indirect_branch_settings): New function. (s390_set_current_function): Invoke s390_indirect_branch_settings. (s390_output_indirect_thunk_function): New function. (s390_code_end): Implement target hook. (s390_case_values_threshold): Implement target hook. (TARGET_ASM_CODE_END, TARGET_CASE_VALUES_THRESHOLD): Define target macros. * config/s390/s390.h (struct s390_frame_layout) (struct machine_function): Move here from s390.c. (TARGET_INDIRECT_BRANCH_NOBP_RET) (TARGET_INDIRECT_BRANCH_NOBP_JUMP) (TARGET_INDIRECT_BRANCH_NOBP_JUMP_THUNK) (TARGET_INDIRECT_BRANCH_NOBP_JUMP_INLINE_THUNK) (TARGET_INDIRECT_BRANCH_NOBP_CALL) (TARGET_DEFAULT_INDIRECT_BRANCH_TABLE) (TARGET_INDIRECT_BRANCH_THUNK_NAME_EXRL) (TARGET_INDIRECT_BRANCH_THUNK_NAME_EX) (TARGET_INDIRECT_BRANCH_TABLE): Define macros. * config/s390/s390.md (UNSPEC_EXECUTE_JUMP) (INDIRECT_BRANCH_THUNK_REGNUM): Define constants. (mnemonic attribute): Add values which aren't recognized automatically. ("*cjump_long", "*icjump_long", "*basr", "*basr_r"): Disable pattern for branch conversion. Fix mnemonic attribute. ("*c", "*sibcall_br", "*sibcall_value_br", "*return"): Emit indirect branch via thunk if requested. ("indirect_jump", ""): Expand patterns for branch conversion. ("*indirect_jump"): Disable for branch conversion using out of line thunks. ("indirect_jump_via_thunk_z10") ("indirect_jump_via_thunk") ("indirect_jump_via_inlinethunk_z10") ("indirect_jump_via_inlinethunk", "*casesi_jump") ("casesi_jump_via_thunk_z10", "casesi_jump_via_thunk") ("casesi_jump_via_inlinethunk_z10") ("casesi_jump_via_inlinethunk", "*basr_via_thunk_z10") ("*basr_via_thunk", "*basr_r_via_thunk_z10") ("*basr_r_via_thunk", "return_prez10"): New pattern. ("*indirect2_jump"): Disable for branch conversion. ("casesi_jump"): Turn into expander and expand patterns for branch conversion. ("return_use"): New expander. ("*return"): Emit return via thunk and rename it to ... ("*return"): ... this one. * config/s390/s390.opt: Add new options and and enum for the option values. 2018-02-08 Richard Sandiford * lra-constraints.c (match_reload): Unconditionally use gen_lowpart_SUBREG, rather than selecting between that and equivalent gen_rtx_SUBREG code. 2018-02-08 Richard Biener PR tree-optimization/84233 * tree-ssa-phiprop.c (propagate_with_phi): Use separate changed flag instead of boguously re-using phi_inserted. 2018-02-08 Martin Jambor * hsa-gen.c (get_symbol_for_decl): Set program allocation for static local variables. 2018-02-08 Richard Biener PR tree-optimization/84278 * tree-vect-stmts.c (vectorizable_store): When looking for smaller vector types to perform grouped strided loads/stores make sure the mode is supported by the target. (vectorizable_load): Likewise. 2018-02-08 Wilco Dijkstra * config/aarch64/aarch64.c (aarch64_components_for_bb): Increase LDP/STP opportunities by adding adjacent callee-saves. 2018-02-08 Wilco Dijkstra PR rtl-optimization/84068 PR rtl-optimization/83459 * haifa-sched.c (rank_for_schedule): Fix SCHED_PRESSURE_MODEL sorting. 2018-02-08 Aldy Hernandez PR tree-optimization/84224 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Remove assert. * calls.c (gimple_alloca_call_p): Only return TRUE when we have non-zero arguments. 2018-02-07 Iain Sandoe PR target/84113 * config/rs6000/altivec.md (*restore_world): Remove LR use. * config/rs6000/predicates.md (restore_world_operation): Adjust op count, remove one USE. 2018-02-07 Michael Meissner * doc/install.texi (Configuration): Document the --with-long-double-format={ibm,ieee} PowerPC configuration options. PR target/84154 * config/rs6000/rs6000.md (fix_trunc2): Convert from define_expand to be define_insn_and_split. Rework float/double/_Float128 conversions to QI/HI/SImode to work with both ISA 2.07 (power8) or ISA 3.0 (power9). Fix regression where conversions to QI/HImode types did a store and then a load to truncate the value. For conversions to VSX registers, don't split the insn, instead emit the code directly. Use the code iterator any_fix to combine signed and unsigned conversions. (fix_truncsi2_p8): Likewise. (fixuns_trunc2): Likewise. (fix_trunc2): Likewise. (fix_trunc2): Likewise. (fix_di2_hw): Likewise. (fixuns_di2_hw): Likewise. (fix_si2_hw): Likewise. (fixuns_si2_hw): Likewise. (fix_2_hw): Likewise. (fix_trunc2): Likewise. (fctiwz__smallint): Rename fctiwz__smallint to fix_truncsi2_p8. (fix_trunc2_internal): Delete, no longer used. (fixuns_trunc2_internal): Likewise. (fix__mem): Likewise. (fctiwz__mem): Likewise. (fix__mem): Likewise. (fix_trunc2_mem): On ISA 3.0, prevent the register allocator from doing a direct move to the GPRs to do a store, and instead use the ISA 3.0 store byte/half-word from vector register instruction. For IEEE 128-bit floating point, also optimize stores of 32-bit ints. (fix_trunc2_mem): Likewise. 2018-02-07 Alan Hayward * genextract.c (push_pathstr_operand): New function to support [a-zA-Z]. (walk_rtx): Call push_pathstr_operand. (print_path): Support [a-zA-Z]. 2018-02-07 Richard Biener PR tree-optimization/84037 * tree-vectorizer.h (struct _loop_vec_info): Add ivexpr_map member. (cse_and_gimplify_to_preheader): Declare. (vect_get_place_in_interleaving_chain): Likewise. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize ivexpr_map. (_loop_vec_info::~_loop_vec_info): Delete it. (cse_and_gimplify_to_preheader): New function. * tree-vect-slp.c (vect_get_place_in_interleaving_chain): Export. * tree-vect-stmts.c (vectorizable_store): CSE base and steps. (vectorizable_load): Likewise. For grouped stores always base the IV on the first element. * tree-vect-loop-manip.c (vect_loop_versioning): Unshare versioning condition before gimplifying. 2018-02-07 Jakub Jelinek * tree-eh.c (operation_could_trap_helper_p): Ignore honor_trapv for *DIV_EXPR and *MOD_EXPR. 2018-02-07 H.J. Lu PR target/84248 * config/i386/i386.c (ix86_option_override_internal): Mask out the CF_SET bit when checking -fcf-protection. 2018-02-07 Tom de Vries PR libgomp/84217 * omp-expand.c (expand_oacc_collapse_init): Ensure diff_type is large enough. 2018-02-07 Richard Biener PR tree-optimization/84204 * tree-chrec.c (chrec_fold_plus_1): Remove size limiting in this place. PR tree-optimization/84205 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Also special-case isl_ast_op_zdiv_r. PR tree-optimization/84223 * graphite-scop-detection.c (gather_bbs::before_dom_children): Only add conditions from within the region. (gather_bbs::after_dom_children): Adjust. 2018-02-07 Georg-Johann Lay PR target/84209 * config/avr/avr.h (GENERAL_REGNO_P, GENERAL_REG_P): New macros. * config/avr/avr.md: Only post-reload split REG-REG moves if either register is GENERAL_REG_P. 2018-02-07 Jakub Jelinek PR tree-optimization/84235 * tree-ssa-scopedtables.c (avail_exprs_stack::simplify_binary_operation): Fir MINUS_EXPR, punt if the subtraction is performed in floating point type where NaNs are honored. For *DIV_EXPR, punt for ALL_FRACT_MODE_Ps where we can't build 1. Formatting fix. 2018-02-06 Jakub Jelinek PR target/84146 * config/i386/i386.c (rest_of_insert_endbranch): Only skip NOTE_INSN_CALL_ARG_LOCATION after a call, not anything else, and skip it regardless of bb boundaries. Use CALL_P macro, don't test INSN_P (insn) together with CALL_P or JUMP_P check unnecessarily, formatting fix. 2018-02-06 Michael Collison * config/arm/thumb2.md: (*thumb2_mov_negscc): Split only if TARGET_THUMB2 && !arm_restrict_it. (*thumb_mov_notscc): Ditto. 2018-02-06 Michael Meissner PR target/84154 * config/rs6000/rs6000.md (su code attribute): Use "u" for unsigned_fix, not "s". 2018-02-06 Rainer Orth * configure.ac (gcc_fn_eh_frame_ro): New function. (gcc_cv_as_cfi_directive): Check both 32 and 64-bit assembler for correct .eh_frame permissions. * configure: Regenerate. 2018-02-06 Andrew Jenner * doc/invoke.texi: Add section for the PowerPC SPE backend. Remove irrelevant options. 2018-02-06 Bill Schmidt * config/rs6000/rs6000.c (rs6000_option_override_internal): Display warning message for -mno-speculate-indirect-jumps. 2018-02-06 Andrew Jenner * config/powerpcspe/powerpcspe.opt: (msimple-fpu, mfpu) Add Undocumented. * config/powerpcspe/sysv4.opt (mbit-align): Likewise. 2018-02-06 Aldy Hernandez PR tree-optimization/84225 * tree-eh.c (find_trapping_overflow): Only call operation_no_trapping_overflow when ANY_INTEGRAL_TYPE_P. 2018-02-06 Igor Tsimbalist PR target/84145 * config/i386/i386.c: Reimplement the check of possible options -mibt/-mshstk conbination. Change error messages. * doc/invoke.texi: Fix a typo: remove extra '='. 2018-02-06 Marek Polacek PR tree-optimization/84228 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Skip debug statements. 2018-02-06 Tamar Christina PR target/82641 * config/arm/arm.c (arm_print_asm_arch_directives): Record already emitted arch directives. * config/arm/arm-c.c (arm_cpu_builtins): Undefine __ARM_ARCH and __ARM_FEATURE_COPROC before changing architectures. 2018-02-06 Richard Biener * config/i386/i386.c (print_reg): Fix typo. (ix86_loop_unroll_adjust): Do not unroll beyond the original nunroll. 2018-02-06 Eric Botcazou * configure: Regenerate. 2018-02-05 Martin Sebor PR tree-optimization/83369 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Use %G to print inlining context. 2018-02-05 Martin Liska * doc/invoke.texi: Cherry-pick upstream r323995. 2018-02-05 Richard Sandiford * ira.c (ira_init_register_move_cost): Adjust comment. 2018-02-05 Martin Liska PR gcov-profile/84137 * doc/gcov.texi: Fix typo in documentation. 2018-02-05 Martin Liska PR gcov-profile/83879 * doc/gcov.texi: Document necessity of --dynamic-list-data when using dlopen functionality. 2018-02-05 Olga Makhotina * config/i386/avx512dqintrin.h (_mm_mask_range_sd, _mm_maskz_range_sd, _mm_mask_range_round_sd, _mm_maskz_range_round_sd, _mm_mask_range_ss, _mm_maskz_range_ss, _mm_mask_range_round_ss, _mm_maskz_range_round_ss): New intrinsics. (__builtin_ia32_rangesd128_round) (__builtin_ia32_rangess128_round): Remove. (__builtin_ia32_rangesd128_mask_round, __builtin_ia32_rangess128_mask_round): New builtins. * config/i386/i386-builtin.def (__builtin_ia32_rangesd128_round, __builtin_ia32_rangess128_round): Remove. (__builtin_ia32_rangesd128_mask_round, __builtin_ia32_rangess128_mask_round): New builtins. * config/i386/sse.md (ranges): Renamed to ... (ranges): ... this. ((match_operand:VF_128 2 "" "")): Changed to ... ((match_operand:VF_128 2 "" "")): ... this. ("vrange\t{%3, %2, %1, %0| %0, %1, %2, %3}"): Changed to ... ("vrange\t{%3, %2, %1, %0|%0, %1, %2, %3}"): ... this. 2018-02-02 Andrew Jenner * config/powerpcspe/powerpcspe.opt: Add Undocumented to irrelevant options. * config/powerpcspe/powerpcspe-tables.opt (rs6000_cpu_opt_value): Remove all values except native, 8540 and 8548. 2018-02-02 H.J. Lu * config/i386/i386.c (ix86_output_function_return): Pass INVALID_REGNUM, instead of -1, as invalid register number to indirect_thunk_name and output_indirect_thunk. 2018-02-02 Julia Koval * config.gcc: Add -march=icelake. * config/i386/driver-i386.c (host_detect_local_cpu): Detect icelake. * config/i386/i386-c.c (ix86_target_macros_internal): Handle icelake. * config/i386/i386.c (processor_costs): Add m_ICELAKE. (PTA_ICELAKE, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES, PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_RDPID, PTA_AVX512BITALG): New. (processor_target_table): Add icelake. (ix86_option_override_internal): Handle new PTAs. (get_builtin_code_for_version): Handle icelake. (M_INTEL_COREI7_ICELAKE): New. (fold_builtin_cpu): Handle icelake. * config/i386/i386.h (TARGET_ICELAKE, PROCESSOR_ICELAKE): New. * doc/invoke.texi: Add -march=icelake. 2018-02-02 Julia Koval * config/i386/i386.c (ix86_option_override_internal): Change flags type to wide_int_bitmask. * wide-int-bitmask.h: New. 2018-02-02 Igor Tsimbalist PR target/84066 * config/i386/i386.md: Replace Pmode with word_mode in builtin_setjmp_setup and builtin_longjmp to support x32. 2018-02-01 Peter Bergner PR target/56010 PR target/83743 * config/rs6000/driver-rs6000.c: #include "diagnostic.h". #include "opts.h". (rs6000_supported_cpu_names): New static variable. (linux_cpu_translation_table): Likewise. (elf_platform) : Define new static variable and use it. Translate kernel AT_PLATFORM name to canonical name if needed. Error if platform name is unknown. 2018-02-01 Aldy Hernandez PR target/84089 * config/pa/predicates.md (base14_operand): Handle E_VOIDmode. 2018-02-01 Jeff Law PR target/84128 * config/i386/i386.c (release_scratch_register_on_entry): Add new OFFSET and RELEASE_VIA_POP arguments. Use SP+OFFSET to restore the scratch if RELEASE_VIA_POP is false. (ix86_adjust_stack_and_probe_stack_clash): Un-constify SIZE. If we have to save a temporary register, decrement SIZE appropriately. Pass new arguments to release_scratch_register_on_entry. (ix86_adjust_stack_and_probe): Likewise. (ix86_emit_probe_stack_range): Pass new arguments to release_scratch_register_on_entry. 2018-02-01 Uros Bizjak PR rtl-optimization/84157 * combine.c (change_zero_ext): Use REG_P predicate in front of HARD_REGISTER_P predicate. 2018-02-01 Georg-Johann Lay * config/avr/avr.c (avr_option_override): Move disabling of -fdelete-null-pointer-checks to... * common/config/avr/avr-common.c (avr_option_optimization_table): ...here. 2018-02-01 Richard Sandiford PR tree-optimization/81635 * tree-data-ref.c (split_constant_offset_1): For types that wrap on overflow, try to use range info to prove that wrapping cannot occur. 2018-02-01 Renlin Li PR target/83370 * config/aarch64/aarch64.c (aarch64_class_max_nregs): Handle TAILCALL_ADDR_REGS. (aarch64_register_move_cost): Likewise. * config/aarch64/aarch64.h (reg_class): Rename CALLER_SAVE_REGS to TAILCALL_ADDR_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Rename CALLER_SAVE_REGS to TAILCALL_ADDR_REGS. Remove IP registers. * config/aarch64/aarch64.md (Ucs): Update register constraint. 2018-02-01 Richard Biener * domwalk.h (dom_walker::dom_walker): Add additional constructor for specifying RPO order and allow NULL for that. * domwalk.c (dom_walker::dom_walker): Likewise. (dom_walker::walk): Handle NULL RPO order. * tree-into-ssa.c (rewrite_dom_walker): Do not walk dom children in RPO order. (rewrite_update_dom_walker): Likewise. (mark_def_dom_walker): Likewise. 2018-02-01 Richard Sandiford * config/aarch64/aarch64-protos.h (aarch64_split_sve_subreg_move) (aarch64_maybe_expand_sve_subreg_move): Declare. * config/aarch64/aarch64.md (UNSPEC_REV_SUBREG): New unspec. * config/aarch64/predicates.md (aarch64_any_register_operand): New predicate. * config/aarch64/aarch64-sve.md (mov): Optimize subreg moves that are semantically a reverse operation. (*aarch64_sve_mov_subreg_be): New pattern. * config/aarch64/aarch64.c (aarch64_maybe_expand_sve_subreg_move): (aarch64_replace_reg_mode, aarch64_split_sve_subreg_move): New functions. (aarch64_can_change_mode_class): For big-endian, forbid changes between two SVE modes if they have different element sizes. 2018-02-01 Richard Sandiford * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector): Prefer the TImode handling for big-endian targets. 2018-02-01 Richard Sandiford * config/aarch64/aarch64-sve.md (sve_ld1rq): Replace with... (*sve_ld1rq): ... this new pattern. Handle all element sizes, not just bytes. * config/aarch64/aarch64.c (aarch64_expand_sve_widened_duplicate): Remove BSWAP handing for big-endian targets and use the form of LD1RQ appropariate for the mode. 2018-02-01 Richard Sandiford * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Handle all CONST_VECTOR_DUPLICATE_P vectors, not just those with a single duplicated element. 2018-02-01 Richard Sandiford PR tearget/83845 * config/aarch64/aarch64.c (aarch64_secondary_reload): Tighten check for operands that need to go through aarch64_sve_reload_be. 2018-02-01 Jakub Jelinek PR tree-optimization/81661 PR tree-optimization/84117 * tree-eh.h (rewrite_to_non_trapping_overflow): Declare. * tree-eh.c: Include gimplify.h. (find_trapping_overflow, replace_trapping_overflow, rewrite_to_non_trapping_overflow): New functions. * tree-vect-loop.c: Include tree-eh.h. (vect_get_loop_niters): Use rewrite_to_non_trapping_overflow. * tree-data-ref.c: Include tree-eh.h. (get_segment_min_max): Use rewrite_to_non_trapping_overflow. 2018-01-31 Uros Bizjak PR rtl-optimization/84123 * combine.c (change_zero_ext): Check if hard register satisfies can_change_dest_mode before calling gen_lowpart_SUBREG. 2018-01-31 Vladimir Makarov PR target/82444 * ira.c (ira_init_register_move_cost): Remove assert. 2018-01-31 Eric Botcazou PR rtl-optimization/84071 * doc/tm.texi.in (WORD_REGISTER_OPERATIONS): Add explicit case. * doc/tm.texi: Regenerate. 2018-01-31 Richard Biener PR tree-optimization/84132 * tree-data-ref.c (analyze_miv_subscript): Properly check whether evolution_function_is_affine_multivariate_p before calling gcd_of_steps_may_divide_p. 2018-01-31 Julia Koval PR target/83618 * config/i386/i386.c (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID. * config/i386/i386.md (rdpid_rex64) New. (rdpid): Make 32bit only. 2018-01-29 Aldy Hernandez PR lto/84105 * tree-pretty-print.c (dump_generic_node): Handle a TYPE_NAME with an IDENTIFIER_NODE for FUNCTION_TYPE's. 2018-01-31 Eric Botcazou Revert 2018-01-12 Eric Botcazou * config/sparc/sparc.md (vxworks_load_got): Set the GOT register. 2018-01-31 Eric Botcazou PR rtl-optimization/84071 * combine.c (record_dead_and_set_regs_1): Record the source unmodified for a paradoxical SUBREG on a WORD_REGISTER_OPERATIONS target. 2018-01-31 Claudiu Zissulescu * config/arc/arc.c (arc_handle_aux_attribute): New function. (arc_attribute_table): Add 'aux' attribute. (arc_in_small_data_p): Consider aux like variables. (arc_is_aux_reg_p): New function. (arc_asm_output_aligned_decl_local): Ignore 'aux' like variables. (arc_get_aux_arg): New function. (prepare_move_operands): Handle aux-register access. (arc_handle_aux_attribute): New function. * doc/extend.texi (ARC Variable attributes): Add subsection. 2018-01-31 Claudiu Zissulescu * config/arc/arc-protos.h (arc_is_uncached_mem_p): Function proto. * config/arc/arc.c (arc_handle_uncached_attribute): New function. (arc_attribute_table): Add 'uncached' attribute. (arc_print_operand): Print '.di' flag for uncached memory accesses. (arc_in_small_data_p): Do not consider for small data the uncached types. (arc_is_uncached_mem_p): New function. * config/arc/predicates.md (compact_store_memory_operand): Check for uncached memory accesses. (nonvol_nonimm_operand): Likewise. * doc/extend.texi (ARC Type Attribute): New subsection. 2018-01-31 Jakub Jelinek PR c/84100 * common.opt (falign-functions=, falign-jumps=, falign-labels=, falign-loops=): Add Optimization flag. 2018-01-30 Jeff Law PR target/84064 * i386.c (ix86_adjust_stack_and_probe_stack_clash): New argument INT_REGISTERS_SAVED. Check it prior to calling get_scratch_register_on_entry. (ix86_adjust_stack_and_probe): Similarly. (ix86_emit_probe_stack_range): Similarly. (ix86_expand_prologue): Corresponding changes. 2018-01-30 Rainer Orth PR target/40411 * config/sol2.h (STARTFILE_ARCH_SPEC): Use -std=c*, -std=iso9899:199409 instead of -pedantic to select values-Xc.o. 2018-01-30 Vladimir Makarov PR target/84112 * lra-constraints.c (curr_insn_transform): Process AND in the address. 2018-01-30 Jakub Jelinek PR rtl-optimization/83986 * sched-deps.c (sched_analyze_insn): For frame related insns, add anti dependence against last_pending_memory_flush in addition to pending_jump_insns. 2018-01-30 Alexandre Oliva PR tree-optimization/81611 * tree-ssa-dom.c (simple_iv_increment_p): Skip intervening copies. 2018-01-30 Aaron Sawdey PR target/83758 * config/rs6000/rs6000.c (rs6000_internal_arg_pointer): Only return a reg rtx. 2018-01-30 Richard Biener Jakub Jelinek PR tree-optimization/84111 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Skip inner loops added during recursion, as they don't have up-to-date SSA form. 2018-01-30 Jan Hubicka PR ipa/81360 * ipa-inline.c (can_inline_edge_p): Break out late tests to... (can_inline_edge_by_limits_p): ... here. (can_early_inline_edge_p, check_callers, update_caller_keys, update_callee_keys, recursive_inlining, add_new_edges_to_heap, speculation_useful_p, inline_small_functions, inline_small_functions, flatten_function, inline_to_all_callers_1): Update. 2018-01-30 Jan Hubicka * profile-count.c (profile_count::combine_with_ipa_count): Handle zeros correctly. 2018-01-30 Richard Biener PR tree-optimization/83008 * tree-vect-slp.c (vect_analyze_slp_cost_1): Properly cost invariant and constant vector uses in stmts when they need more than one stmt. 2018-01-30 Rainer Orth PR bootstrap/84017 * configure.ac (gcc_cv_as_shf_merge): Disable on Solaris 10/x86. * configure: Regenerate. 2018-01-30 Richard Sandiford * config/aarch64/aarch64-sve.md (*vec_extract_0): New pattern. (*vec_extract_v128): Require a nonzero lane number. Use gen_rtx_REG rather than gen_lowpart. 2018-01-30 Richard Sandiford * lra-constraints.c (match_reload): Use subreg_lowpart_offset rather than 0 when creating partial subregs. 2018-01-30 Richard Sandiford * vec-perm-indices.c (vec_perm_indices::series_p): Give examples of usage. 2018-01-29 Michael Meissner PR target/81550 * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): If DFmode and SFmode can go in Altivec registers (-mcpu=power7 for DFmode, -mcpu=power8 for SFmode) don't set the PRE_INCDEC or PRE_MODIFY flags. This restores the settings used before the 2017-07-24. Turning off pre increment/decrement/modify allows IVOPTS to optimize DF/SF loops where the index is an int. 2018-01-29 Richard Biener Kelvin Nilsen PR bootstrap/80867 * tree-vect-stmts.c (vectorizable_call): Don't call targetm.vectorize_builtin_md_vectorized_function if callee is NULL. 2018-01-22 Carl Love * doc/extend.tex: Fix typo in second arg in __builtin_bcdadd_{lt|eq|gt|ov} and __builtin_bcdsub_{lt|eq|gt|ov}. 2018-01-29 Richard Biener PR tree-optimization/84086 * tree-ssanames.c: Include cfgloop.h and tree-scalar-evolution.h. (flush_ssaname_freelist): When SSA names were released reset the SCEV hash table. 2018-01-29 Richard Biener PR tree-optimization/84057 * tree-ssa-loop-ivcanon.c (unloop_loops): Deal with already removed paths when removing edges. 2018-01-27 H.J. Lu * doc/invoke.texi: Replace -mfunction-return==@var{choice} with -mfunction-return=@var{choice}. 2018-01-27 Bernd Edlinger PR diagnostic/84034 * diagnostic-show-locus.c (get_line_width_without_trailing_whitespace): Handle CR like TAB. (layout::print_source_line): Likewise. (test_get_line_width_without_trailing_whitespace): Add test cases. 2018-01-27 Jakub Jelinek PR middle-end/84040 * sched-deps.c (sched_macro_fuse_insns): Return immediately for debug insns. 2018-01-26 Jim Wilson * config/riscv/riscv.h (MAX_FIXED_MODE_SIZE): New. * config/riscv/elf.h (LIB_SPEC): Don't include -lgloss when nosys.specs specified. 2018-01-26 Kyrylo Tkachov * config/aarch64/aarch64.md: Add peepholes for CMP + SUB -> SUBS and CMP + SUB-immediate -> SUBS. 2018-01-26 Martin Sebor PR tree-optimization/83896 * tree-ssa-strlen.c (get_string_len): Rename... (get_string_cst_length): ...to this. Return HOST_WIDE_INT. Avoid assuming length is constant. (handle_char_store): Use HOST_WIDE_INT for string length. 2018-01-26 Uros Bizjak PR target/81763 * config/i386/i386.md (*andndi3_doubleword): Add earlyclobber to (=&r,r,rm) alternative. Add (=r,0,rm) and (=r,r,0) alternatives. 2018-01-26 Richard Biener PR rtl-optimization/84003 * dse.c (record_store): Only record redundant stores when the earlier store aliases at least all accesses the later one does. 2018-01-26 Jakub Jelinek PR rtl-optimization/83985 * dce.c (deletable_insn_p): Return false for separate shrink wrapping REG_CFA_RESTORE insns. (delete_unmarked_insns): Don't ignore separate shrink wrapping REG_CFA_RESTORE insns here. PR c/83989 * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Don't use SSA_NAME_VAR as base for SSA_NAMEs with non-NULL SSA_NAME_VAR. 2018-01-26 Claudiu Zissulescu * config/arc/arc-arch.h (arc_tune_attr): Add ARC_TUNE_CORE_3. * config/arc/arc.c (arc_sched_issue_rate): Use ARC_TUNE_... . (arc_init): Likewise. (arc_override_options): Likewise. (arc_file_start): Choose Tag_ARC_CPU_variation based on arc_tune value. (hwloop_fail): Use TARGET_DBNZ when we want to check for dbnz insn support. * config/arc/arc.h (TARGET_DBNZ): Define. * config/arc/arc.md (attr tune): Add core_3, use ARC_TUNE_... to properly set the tune attribute. (dbnz): Use TARGET_DBNZ guard. * config/arc/arc.opt (mtune): Add core3 option. 2018-01-26 Claudiu Zissulescu * config/arc/arc.c (arc_delegitimize_address_0): Refactored to recognize new pic like addresses. (arc_delegitimize_address): Clean up. 2018-01-26 Claudiu Zissulescu * config/arc/arc-arches.def: Option mrf16 valid for all architectures. * config/arc/arc-c.def (__ARC_RF16__): New predefined macro. * config/arc/arc-cpus.def (em_mini): New cpu with rf16 on. * config/arc/arc-options.def (FL_RF16): Add mrf16 option. * config/arc/arc-tables.opt: Regenerate. * config/arc/arc.c (arc_conditional_register_usage): Handle reduced register file case. (arc_file_start): Set must have build attributes. * config/arc/arc.h (MAX_ARC_PARM_REGS): Conditional define using mrf16 option value. * config/arc/arc.opt (mrf16): Add new option. * config/arc/elf.h (ATTRIBUTE_PCS): Define. * config/arc/genmultilib.awk: Handle new mrf16 option. * config/arc/linux.h (ATTRIBUTE_PCS): Define. * config/arc/t-multilib: Regenerate. * doc/invoke.texi (ARC Options): Document mrf16 option. 2018-01-26 Claudiu Zissulescu * config/arc/arc-protos.h: Add arc_is_secure_call_p proto. * config/arc/arc.c (arc_handle_secure_attribute): New function. (arc_attribute_table): Add 'secure_call' attribute. (arc_print_operand): Print secure call operand. (arc_function_ok_for_sibcall): Don't optimize tail calls when secure. (arc_is_secure_call_p): New function. * config/arc/arc.md (call_i): Add support for sjli instruction. (call_value_i): Likewise. * config/arc/constraints.md (Csc): New constraint. 2018-01-26 Claudiu Zissulescu John Eric Martin * config/arc/arc-protos.h: Add arc_is_jli_call_p proto. * config/arc/arc.c (_arc_jli_section): New struct. (arc_jli_section): New type. (rc_jli_sections): New static variable. (arc_handle_jli_attribute): New function. (arc_attribute_table): Add jli_always and jli_fixed attribute. (arc_file_end): New function. (TARGET_ASM_FILE_END): Define. (arc_print_operand): Reuse 'S' letter for JLI output instruction. (arc_add_jli_section): New function. (jli_call_scan): Likewise. (arc_reorg): Call jli_call_scan. (arc_output_addsi): Remove 'S' from printing asm operand. (arc_is_jli_call_p): New function. * config/arc/arc.md (movqi_insn): Remove 'S' from printing asm operand. (movhi_insn): Likewise. (movsi_insn): Likewise. (movsi_set_cc_insn): Likewise. (loadqi_update): Likewise. (load_zeroextendqisi_update): Likewise. (load_signextendqisi_update): Likewise. (loadhi_update): Likewise. (load_zeroextendhisi_update): Likewise. (load_signextendhisi_update): Likewise. (loadsi_update): Likewise. (loadsf_update): Likewise. (movsicc_insn): Likewise. (bset_insn): Likewise. (bxor_insn): Likewise. (bclr_insn): Likewise. (bmsk_insn): Likewise. (bicsi3_insn): Likewise. (cmpsi_cc_c_insn): Likewise. (movsi_ne): Likewise. (movsi_cond_exec): Likewise. (clrsbsi2): Likewise. (norm_f): Likewise. (normw): Likewise. (swap): Likewise. (divaw): Likewise. (flag): Likewise. (sr): Likewise. (kflag): Likewise. (ffs): Likewise. (ffs_f): Likewise. (fls): Likewise. (call_i): Remove 'S' asm letter, add jli instruction. (call_value_i): Likewise. * config/arc/arc.op (mjli-always): New option. * config/arc/constraints.md (Cji): New constraint. * config/arc/fpx.md (addsf3_fpx): Remove 'S' from printing asm operand. (subsf3_fpx): Likewise. (mulsf3_fpx): Likewise. * config/arc/simdext.md (vendrec_insn): Remove 'S' from printing asm operand. * doc/extend.texi (ARC): Document 'jli-always' and 'jli-fixed' function attrbutes. * doc/invoke.texi (ARC): Document mjli-always option. 2018-01-26 Sebastian Perta * config/rl78/rl78.c (rl78_addsi3_internal): If operand 2 is const avoid addition with 0 and use incw and decw where possible. 2018-01-26 Richard Biener PR tree-optimization/81082 * fold-const.c (fold_plusminus_mult_expr): Do not perform the association if it requires casting to unsigned. * match.pd ((A * C) +- (B * C) -> (A+-B)): New patterns derived from fold_plusminus_mult_expr to catch important cases late when range info is available. 2018-01-26 Rainer Orth * config/i386/sol2.h (USE_HIDDEN_LINKONCE): Remove. * configure.ac (hidden_linkonce): New test. * configure: Regenerate. * config.in: Regenerate. 2018-01-26 Julia Koval * config/i386/avx512bitalgintrin.h (_mm512_bitshuffle_epi64_mask, _mm512_mask_bitshuffle_epi64_mask, _mm256_bitshuffle_epi64_mask, _mm256_mask_bitshuffle_epi64_mask, _mm_bitshuffle_epi64_mask, _mm_mask_bitshuffle_epi64_mask): Fix type. * config/i386/i386-builtin-types.def (UHI_FTYPE_V2DI_V2DI_UHI, USI_FTYPE_V4DI_V4DI_USI): Remove. * config/i386/i386-builtin.def (__builtin_ia32_vpshufbitqmb512_mask, __builtin_ia32_vpshufbitqmb256_mask, __builtin_ia32_vpshufbitqmb128_mask): Fix types. * config/i386/i386.c (ix86_expand_args_builtin): Remove old types. * config/i386/sse.md (VI1_AVX512VLBW): Change types. 2018-01-26 Alan Modra PR target/84033 * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Exclude UNSPEC_VBPERMQ. Sort other unspecs. 2018-01-25 David Edelsohn * doc/invoke.texi (PowerPC Options): Document 'native' cpu type. 2018-01-25 Jan Hubicka PR middle-end/83055 * predict.c (drop_profile): Do not push/pop cfun; update also node->count. (handle_missing_profiles): Fix logic looking for zero profiles. 2018-01-25 Jakub Jelinek PR middle-end/83977 * ipa-fnsummary.c (compute_fn_summary): Clear can_change_signature on functions with #pragma omp declare simd or functions with simd attribute. * omp-simd-clone.c (expand_simd_clones): Revert 2018-01-24 change. * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen): Remove trailing \n from warning_at calls. 2018-01-25 Tom de Vries PR target/84028 * config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call for neutered workers. 2018-01-24 Joseph Myers PR target/68467 * config/m68k/m68k.c (m68k_promote_function_mode): New function. (TARGET_PROMOTE_FUNCTION_MODE): New macro. 2018-01-24 Jeff Law PR target/83994 * i386.c (get_probe_interval): Move to earlier point. (ix86_compute_frame_layout): If -fstack-clash-protection and the frame is larger than the probe interval, then use pushes to save registers rather than reg->mem moves. (ix86_expand_prologue): Remove conditional for int_registers_saved assertion. 2018-01-24 Vladimir Makarov PR target/84014 * ira-build.c (setup_min_max_allocno_live_range_point): Set up min/max for never referenced object. 2018-01-24 Jakub Jelinek PR middle-end/83977 * tree.c (free_lang_data_in_decl): Don't clear DECL_ABSTRACT_ORIGIN here. * omp-low.c (create_omp_child_function): Remove "omp declare simd" attributes from DECL_ATTRIBUTES (decl) without affecting DECL_ATTRIBUTES (current_function_decl). * omp-simd-clone.c (expand_simd_clones): Ignore DECL_ARTIFICIAL functions with non-NULL DECL_ABSTRACT_ORIGIN. 2018-01-24 Richard Sandiford PR tree-optimization/83979 * fold-const.c (fold_comparison): Use constant_boolean_node instead of boolean_{true,false}_node. 2018-01-24 Jan Hubicka * ipa-profile.c (ipa_propagate_frequency_1): Fix logic skipping calls with zero counts. 2018-01-24 Bill Schmidt * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Simplify the clause that sets the length attribute. (*call_value_indirect_nonlocal_sysv): Likewise. (*sibcall_nonlocal_sysv): Clean up code block; simplify the clause that sets the length attribute. (*sibcall_value_nonlocal_sysv): Likewise. 2018-01-24 Tom de Vries PR target/83589 * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG_2): Define to 1. (nvptx_pc_set, nvptx_condjump_label): New function. Copy from jump.c. Add strict parameter. (prevent_branch_around_nothing): Insert dummy insn between branch to label and label with no ptx insn inbetween. * config/nvptx/nvptx.md (define_insn "fake_nop"): New insn. 2018-01-24 Tom de Vries PR target/81352 * config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call for neutered threads in warp. * config/nvptx/nvptx.md (define_insn "exit"): New insn. 2018-01-24 Richard Biener PR tree-optimization/83176 * tree-chrec.c (chrec_fold_plus_1): Handle (signed T){(T) .. } operands. 2018-01-24 Richard Biener PR tree-optimization/82819 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Avoid code generating pluses that are no-ops in the target precision. 2018-01-24 Richard Biener PR middle-end/84000 * tree-cfg.c (replace_loop_annotate): Handle annot_expr_parallel_kind. 2018-01-23 Jan Hubicka * cfgcleanup.c (try_crossjump_to_edge): Use combine_with_count to merge probabilities. * predict.c (probably_never_executed): Also mark as cold functions with global 0 profile and guessed local profile. * profile-count.c (profile_probability::combine_with_count): New member function. * profile-count.h (profile_probability::operator*, profile_probability::operator*=, profile_probability::operator/, profile_probability::operator/=): Reduce precision to adjusted and set value to guessed on contradictory divisions. (profile_probability::combine_with_freq): Remove. (profile_probability::combine_wiht_count): Declare. (profile_count::force_nonzero):: Set to adjusted. (profile_count::probability_in):: Set quality to adjusted. * tree-ssa-tail-merge.c (replace_block_by): Use combine_with_count. 2018-01-23 Andrew Waterman Jim Wilson * config/riscv/riscv.c (riscv_stack_boundary): New. (riscv_option_override): Set riscv_stack_boundary. Handle riscv_preferred_stack_boundary_arg. * config/riscv/riscv.h (MIN_STACK_BOUNDARY, ABI_STACK_BOUNDARY): New. (BIGGEST_ALIGNMENT): Set to STACK_BOUNDARY. (STACK_BOUNDARY): Set to riscv_stack_boundary. (RISCV_STACK_ALIGN): Use STACK_BOUNDARY. * config/riscv/riscv.opt (mpreferred-stack-boundary): New. * doc/invoke.tex (RISC-V Options): Add -mpreferred-stack-boundary. 2018-01-23 H.J. Lu PR target/83905 * config/i386/i386.c (ix86_expand_prologue): Use cost reference of struct ix86_frame. (ix86_expand_epilogue): Likewise. Add a local variable for the reg_save_offset field in struct ix86_frame. 2018-01-23 Bin Cheng PR tree-optimization/82604 * tree-loop-distribution.c (enum partition_kind): New enum item PKIND_PARTIAL_MEMSET. (partition_builtin_p): Support above new enum item. (generate_code_for_partition): Ditto. (compute_access_range): Differentiate cases that equality can be proven at all loops, the innermost loops or no loops. (classify_builtin_st, classify_builtin_ldst): Adjust call to above function. Set PKIND_PARTIAL_MEMSET for partition appropriately. (finalize_partitions, distribute_loop): Don't fuse partition of PKIND_PARTIAL_MEMSET kind when distributing 3-level loop nest. (prepare_perfect_loop_nest): Distribute 3-level loop nest only if parloop is enabled. 2018-01-23 Martin Liska * predict.def (PRED_INDIR_CALL): Set probability to PROB_EVEN in order to ignore the predictor. (PRED_POLYMORPHIC_CALL): Likewise. (PRED_RECURSIVE_CALL): Likewise. 2018-01-23 Martin Liska * tree-profile.c (tree_profiling): Print function header to aware reader which function we are working on. * value-prof.c (gimple_find_values_to_profile): Do not print not interesting value histograms. 2018-01-23 Martin Liska * profile-count.h (enum profile_quality): Add profile_uninitialized as the first value. Do not number values as they are zero based. (profile_count::verify): Update sanity check. (profile_probability::verify): Likewise. 2018-01-23 Nathan Sidwell * doc/invoke.texi (ffor-scope): Deprecate. 2018-01-23 David Malcolm PR tree-optimization/83510 * domwalk.c (set_all_edges_as_executable): New function. (dom_walker::dom_walker): Convert bool param "skip_unreachable_blocks" to enum reachability. Move setup of edge flags to set_all_edges_as_executable and only do it when reachability is REACHABLE_BLOCKS. * domwalk.h (enum dom_walker::reachability): New enum. (dom_walker::dom_walker): Convert bool param "skip_unreachable_blocks" to enum reachability. (set_all_edges_as_executable): New decl. * graphite-scop-detection.c (gather_bbs::gather_bbs): Convert from false for "skip_unreachable_blocks" to ALL_BLOCKS for "reachability". * tree-ssa-dom.c (dom_opt_dom_walker::dom_opt_dom_walker): Likewise, but converting true to REACHABLE_BLOCKS. * tree-ssa-sccvn.c (sccvn_dom_walker::sccvn_dom_walker): Likewise. * tree-vrp.c (check_array_bounds_dom_walker::check_array_bounds_dom_walker): Likewise, but converting it to REACHABLE_BLOCKS_PRESERVING_FLAGS. (vrp_dom_walker::vrp_dom_walker): Likewise, but converting it to REACHABLE_BLOCKS. (vrp_prop::vrp_finalize): Call set_all_edges_as_executable if check_all_array_refs will be called. 2018-01-23 David Malcolm * tree.c (selftest::test_location_wrappers): Add more test coverage. 2018-01-23 David Malcolm * sbitmap.c (selftest::test_set_range): Fix memory leaks. (selftest::test_bit_in_range): Likewise. 2018-01-23 Richard Sandiford PR testsuite/83888 * doc/sourcebuild.texi (vect_float): Say that the selector only describes the situation when -funsafe-math-optimizations is on. (vect_float_strict): Document. 2018-01-23 Richard Sandiford PR tree-optimization/83965 * tree-vect-patterns.c (vect_reassociating_reduction_p): New function. (vect_recog_dot_prod_pattern, vect_recog_sad_pattern): Use it instead of checking only for a reduction. (vect_recog_widen_sum_pattern): Likewise. 2018-01-23 Jan Hubicka * predict.c (probably_never_executed): Only use precise profile info. (compute_function_frequency): Skip after inlining hack since we now have quality checking. 2018-01-23 Jan Hubicka * profile-count.h (profile_probability::very_unlikely, profile_probability::unlikely, profile_probability::even): Set precision to guessed. 2018-01-23 Richard Biener PR tree-optimization/83963 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region): Properly terminate dominator walk when crossing the exit edge not when visiting its source block. 2018-01-23 Jakub Jelinek PR c++/83918 * tree.c (maybe_wrap_with_location): Use NON_LVALUE_EXPR rather than VIEW_CONVERT_EXPR to wrap CONST_DECLs. 2018-01-22 Jakub Jelinek PR tree-optimization/83957 * omp-expand.c (expand_omp_for_generic): Ignore virtual PHIs. Remove semicolon after for body surrounded by braces. PR tree-optimization/83081 * profile-count.h (profile_probability::split): New method. * dojump.c (do_jump_1) : Use profile_probability::split. (do_compare_rtx_and_jump): Fix adjustment of probabilities when splitting a single conditional jump into 2. 2018-01-22 David Malcolm PR tree-optimization/69452 * tree-ssa-loop-im.c (class move_computations_dom_walker): Remove decl. 2018-01-22 Sebastian Perta * config/rl78/rl78-expand.md (bswaphi2): New define_expand. * config/rl78/rl78-virt.md (*bswaphi2_virt): New define_insn. * config/rl78/rl78-real.md (*bswaphi2_real): New define_insn. 2018-01-22 Sebastian Perta * config/rl78/rl78-protos.h (rl78_split_movdi): New function declaration. * config/rl78/rl78.md (movdi): New define_expand. * config/rl78/rl78.c (rl78_split_movdi): New function. 2018-01-22 Michael Meissner PR target/83862 * config/rs6000/rs6000-protos.h (rs6000_split_signbit): Delete, no longer used. * config/rs6000/rs6000.c (rs6000_split_signbit): Likewise. * config/rs6000/rs6000.md (signbit2): Change code for IEEE 128-bit to produce an UNSPEC move to get the double word with the signbit and then a shift directly to do signbit. (signbit2_dm): Replace old IEEE 128-bit signbit implementation with a new version that just does either a direct move or a regular move. Move memory interface to separate insns. Move insns so they are next to the expander. (signbit2_dm_mem_be): New combiner insns to combine load with signbit move. Split big and little endian case. (signbit2_dm_mem_le): Likewise. (signbit2_dm_ext): Delete, no longer used. (signbit2_dm2): Likewise. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (anddi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (umindi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (smindi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (smaxdi3): New define_expand. 2018-01-22 Carl Love * config/rs6000/rs6000-builtin.def (ST_ELEMREV_V1TI, LD_ELEMREV_V1TI, LVX_V1TI): Add macro expansion. * config/rs6000/rs6000-c.c (altivec_builtin_types): Add argument definitions for VSX_BUILTIN_VEC_XST_BE, VSX_BUILTIN_VEC_ST, VSX_BUILTIN_VEC_XL, LD_ELEMREV_V1TI builtins. * config/rs6000/rs6000-p8swap.c (insn_is_swappable_p); Change check to determine if the instruction is a byte reversing entry. Fix typo in comment. * config/rs6000/rs6000.c (altivec_expand_builtin): Add case entry for VSX_BUILTIN_ST_ELEMREV_V1TI and VSX_BUILTIN_LD_ELEMREV_V1TI. Add def_builtin calls for new builtins. * config/rs6000/vsx.md (vsx_st_elemrev_v1ti, vsx_ld_elemrev_v1ti): Add define_insn expansion. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (umaxdi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.c (rl78_note_reg_set): Fixed dead reg check for non-QImode registers. 2018-01-22 Richard Biener PR tree-optimization/83963 * graphite-scop-detection.c (scop_detection::get_sese): Delay including the loop exit block. (scop_detection::merge_sese): Likewise. (scop_detection::add_scop): Do it here instead. 2018-01-22 Kyrylo Tkachov * doc/sourcebuild.texi (arm_softfloat): Document. 2018-01-21 John David Anglin PR gcc/77734 * config/pa/pa.c (pa_function_ok_for_sibcall): Use targetm.binds_local_p instead of TREE_PUBLIC to check local binding. Move TARGET_PORTABLE_RUNTIME check after TARGET_64BIT check. 2018-01-21 Bill Schmidt David Edelsohn PR target/83946 * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Change "crset eq" to "crset 2". (*call_value_indirect_nonlocal_sysv): Likewise. (*call_indirect_aix_nospec): Likewise. (*call_value_indirect_aix_nospec): Likewise. (*call_indirect_elfv2_nospec): Likewise. (*call_value_indirect_elfv2_nospec): Likewise. (*sibcall_nonlocal_sysv): Change "crset eq" to "crset 2"; change assembly output from . to $. (*sibcall_value_nonlocal_sysv): Likewise. (indirect_jump_nospec): Change assembly output from . to $. (*tablejump_internal1_nospec): Likewise. 2018-01-21 Oleg Endo PR target/80870 * config/sh/sh_optimize_sett_clrt.cc: Use INCLUDE_ALGORITHM and INCLUDE_VECTOR instead of direct includes. 2018-01-20 Richard Sandiford PR tree-optimization/83940 * tree-vect-stmts.c (vect_truncate_gather_scatter_offset): Set offset_dt to vect_constant_def rather than vect_unknown_def_type. (vect_check_load_store_mask): Add a mask_dt_out parameter and use it to pass back the definition type. (vect_check_store_rhs): Likewise rhs_dt_out. (vect_build_gather_load_calls): Add a mask_dt argument and use it instead of a call to vect_is_simple_use. (vectorizable_store): Update calls to vect_check_load_store_mask and vect_check_store_rhs. Use the dt returned by the latter instead of scatter_src_dt. Use the cached mask_dt and gs_info.offset_dt instead of calls to vect_is_simple_use. Pass the scalar rather than the vector operand to vect_is_simple_use when handling second and subsequent copies of an rhs value. (vectorizable_load): Update calls to vect_check_load_store_mask and vect_build_gather_load_calls. Use the cached mask_dt and gs_info.offset_dt instead of calls to vect_is_simple_use. 2018-01-20 Jakub Jelinek PR middle-end/83945 * tree-emutls.c: Include gimplify.h. (lower_emutls_2): New function. (lower_emutls_1): If ADDR_EXPR is a gimple invariant and walk_tree with lower_emutls_2 callback finds some TLS decl in it, unshare_expr it before further processing. PR target/83930 * simplify-rtx.c (simplify_binary_operation_1) : Use UINTVAL (trueop1) instead of INTVAL (op1). 2018-01-19 Jakub Jelinek PR debug/81570 PR debug/83728 * dwarf2cfi.c (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define to INCOMING_FRAME_SP_OFFSET if not defined. (scan_trace): Add ENTRY argument. If true and DEFAULT_INCOMING_FRAME_SP_OFFSET != INCOMING_FRAME_SP_OFFSET, emit a note to adjust the CFA offset. (create_cfi_notes): Adjust scan_trace callers. (create_cie_data): Use DEFAULT_INCOMING_FRAME_SP_OFFSET rather than INCOMING_FRAME_SP_OFFSET in the CIE. * config/i386/i386.h (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define. * config/stormy16/stormy16.h (DEFAULT_INCOMING_FRAME_SP_OFFSET): Likewise. * doc/tm.texi.in (DEFAULT_INCOMING_FRAME_SP_OFFSET): Document. * doc/tm.texi: Regenerated. 2018-01-19 Andreas Krebbel PR rtl-optimization/83147 * lra-constraints.c (remove_inheritance_pseudos): Use lra_substitute_pseudo_within_insn. 2018-01-19 Tom de Vries Cesar Philippidis PR target/83920 * config/nvptx/nvptx.c (nvptx_single): Fix jit workaround. 2018-01-19 Cesar Philippidis PR target/83790 * config/nvptx/nvptx.c (output_init_frag): Don't use generic address spaces for function labels. 2018-01-19 Martin Liska * predict.def (PRED_LOOP_EXIT): Change from 85 to 89. (PRED_LOOP_EXIT_WITH_RECURSION): Change from 72 to 78. (PRED_LOOP_EXTRA_EXIT): Change from 83 to 67. (PRED_OPCODE_POSITIVE): Change from 64 to 59. (PRED_TREE_OPCODE_POSITIVE): Change from 64 to 59. (PRED_CONST_RETURN): Change from 69 to 65. (PRED_NULL_RETURN): Change from 91 to 71. (PRED_LOOP_IV_COMPARE_GUESS): Change from 98 to 64. (PRED_LOOP_GUARD): Change from 66 to 73. 2018-01-19 Martin Liska * predict.c (predict_insn_def): Add new assert. (struct branch_predictor): Change type to signed integer. (test_prediction_value_range): Amend test to cover PROB_UNINITIALIZED. * predict.def (PRED_LOOP_ITERATIONS): Use the new constant. (PRED_LOOP_ITERATIONS_GUESSED): Likewise. (PRED_LOOP_ITERATIONS_MAX): Likewise. (PRED_LOOP_IV_COMPARE): Likewise. * predict.h (PROB_UNINITIALIZED): Define new constant. 2018-01-19 Martin Liska * predict.c (dump_prediction): Add new format for analyze_brprob.py script which is enabled with -details suboption. * profile-count.h (precise_p): New function. 2018-01-19 Richard Sandiford PR tree-optimization/83922 * tree-vect-loop.c (vect_verify_full_masking): Return false if there are no statements that need masking. (vect_active_double_reduction_p): New function. (vect_analyze_loop_operations): Use it when handling phis that are not in the loop header. 2018-01-19 Richard Sandiford PR tree-optimization/83914 * tree-vect-loop.c (vectorizable_induction): Don't convert init_expr or apply the peeling adjustment for inductions that are nested within the vectorized loop. 2018-01-19 Kyrylo Tkachov * config/arm/thumb2.md (*thumb2_negsi2_short): Use RSB mnemonic instead of NEG. 2018-01-18 Jakub Jelinek PR sanitizer/81715 PR testsuite/83882 * function.h (gimplify_parameters): Add gimple_seq * argument. * function.c: Include gimple.h and options.h. (gimplify_parameters): Add cleanup argument, add CLOBBER stmts for the added local temporaries if needed. * gimplify.c (gimplify_body): Adjust gimplify_parameters caller, if there are any parameter cleanups, wrap whole body into a try/finally with the cleanups. 2018-01-18 Wilco Dijkstra PR target/82964 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Use GET_MODE_CLASS for scalar floating point. 2018-01-18 Jan Hubicka PR ipa/82256 patch by PaX Team * cgraphclones.c (cgraph_node::create_version_clone_with_body): Fix call of call_cgraph_insertion_hooks. 2018-01-18 Martin Sebor * doc/invoke.texi (-Wclass-memaccess): Tweak text. 2018-01-18 Jan Hubicka PR ipa/83619 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Update edge frequencies. 2018-01-18 Boris Kolpackov PR other/70268 * common.opt: (-ffile-prefix-map): New option. * opts.c (common_handle_option): Defer it. * opts-global.c (handle_common_deferred_options): Handle it. * debug.h (remap_debug_filename, add_debug_prefix_map): Move to... * file-prefix-map.h: New file. (remap_debug_filename, add_debug_prefix_map): ...here. (add_macro_prefix_map, add_file_prefix_map, remap_macro_filename): New. * final.c (debug_prefix_map, add_debug_prefix_map remap_debug_filename): Move to... * file-prefix-map.c: New file. (file_prefix_map, add_prefix_map, remap_filename) ...here and rename, generalize, get rid of alloca(), use strrchr() instead of strchr(). (add_macro_prefix_map, add_debug_prefix_map, add_file_prefix_map): Implement in terms of add_prefix_map(). (remap_macro_filename, remap_debug_filename): Implement in term of remap_filename(). * Makefile.in (OBJS, PLUGIN_HEADERS): Add new files. * builtins.c (fold_builtin_FILE): Call remap_macro_filename(). * dbxout.c: Include file-prefix-map.h. * varasm.c: Likewise. * vmsdbgout.c: Likewise. * xcoffout.c: Likewise. * dwarf2out.c: Likewise plus omit new options from DW_AT_producer. * doc/cppopts.texi (-fmacro-prefix-map): Document. * doc/invoke.texi (-ffile-prefix-map): Document. (-fdebug-prefix-map): Update description. 2018-01-18 Martin Liska * config/i386/i386.c (indirect_thunk_name): Document that also lfence is emitted. (output_indirect_thunk): Document why both instructions (pause and lfence) are generated. 2018-01-18 Richard Biener PR tree-optimization/83887 * graphite-scop-detection.c (scop_detection::get_nearest_dom_with_single_entry): Remove. (scop_detection::get_nearest_pdom_with_single_exit): Likewise. (scop_detection::merge_sese): Re-implement with a flood-fill algorithm that properly finds a SESE region if it exists. 2018-01-18 Jakub Jelinek PR c/61240 * match.pd ((P + A) - P, P - (P + A), (P + A) - (P + B)): For pointer_diff optimizations use view_convert instead of convert. 2018-01-17 Bill Schmidt * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Generate different code for -mno-speculate-indirect-jumps. (*call_value_indirect_nonlocal_sysv): Likewise. (*call_indirect_aix): Disable for -mno-speculate-indirect-jumps. (*call_indirect_aix_nospec): New define_insn. (*call_value_indirect_aix): Disable for -mno-speculate-indirect-jumps. (*call_value_indirect_aix_nospec): New define_insn. (*sibcall_nonlocal_sysv): Generate different code for -mno-speculate-indirect-jumps. (*sibcall_value_nonlocal_sysv): Likewise. 2018-01-17 Michael Meissner * config/rs6000/rs6000.c (rs6000_emit_move): If we load or store a long double type, set the flags for noting the default long double type, even if we don't pass or return a long double type. 2018-01-17 Jan Hubicka PR ipa/83051 * ipa-inline.c (flatten_function): Do not overwrite final inlining failure. 2018-01-17 Will Schmidt * config/rs6000/rs6000.c (rs6000_gimple_builtin): Add gimple folding support for merge[hl]. (fold_mergehl_helper): New helper function. (tree-vector-builder.h): New #include for tree_vector_builder usage. * config/rs6000/altivec.md (altivec_vmrghw_direct): Add xxmrghw insn. (altivec_vmrglw_direct): Add xxmrglw insn. 2018-01-17 Andrew Waterman * config/riscv/riscv.c (riscv_conditional_register_usage): If UNITS_PER_FP_ARG is 0, set call_used_regs to 1 for all FP regs. 2018-01-17 David Malcolm PR lto/83121 * ipa-devirt.c (add_type_duplicate): When comparing memory layout, call the lto_location_cache before reading the DECL_SOURCE_LOCATION of the types. 2018-01-17 Wilco Dijkstra Richard Sandiford * config/aarch64/aarch64.md (movti_aarch64): Use Uti constraint. * config/aarch64/aarch64.c (aarch64_mov128_immediate): New function. (aarch64_legitimate_constant_p): Just support CONST_DOUBLE SF/DF/TF mode to avoid creating illegal CONST_WIDE_INT immediates. * config/aarch64/aarch64-protos.h (aarch64_mov128_immediate): Add declaration. * config/aarch64/constraints.md (aarch64_movti_operand): Limit immediates. * config/aarch64/predicates.md (Uti): Add new constraint. 2018-01-17 Carl Love * config/rs6000/vsx.md (define_expand xl_len_r, define_expand stxvl, define_expand *stxvl): Add match_dup argument. (define_insn): Add, match_dup 1 argument to define_insn stxvll and lxvll. (define_expand, define_insn): Move the shift left from the define_insn to the define_expand for lxvl and stxvl instructions. * config/rs6000/rs6000-builtin.def (BU_P9V_64BIT_VSX_2): Change LXVL and XL_LEN_R definitions to PURE. 2018-01-17 Uros Bizjak * config/i386/i386.c (indirect_thunk_name): Declare regno as unsigned int. Compare regno with INVALID_REGNUM. (output_indirect_thunk): Ditto. (output_indirect_thunk_function): Ditto. (ix86_code_end): Declare regno as unsigned int. Use INVALID_REGNUM in the call to output_indirect_thunk_function. 2018-01-17 Richard Sandiford PR middle-end/83884 * expr.c (expand_expr_real_1): Use the size of GET_MODE (op0) rather than the size of inner_type to determine the stack slot size when handling VIEW_CONVERT_EXPRs on strict-alignment targets. 2018-01-16 Sebastian Peryt PR target/83546 * config/i386/i386.c (ix86_option_override_internal): Add PTA_RDRND to PTA_SILVERMONT. 2018-01-16 Michael Meissner * config.gcc (powerpc*-linux*-*): Add support for 64-bit little endian Linux systems to optionally enable multilibs for selecting the long double type if the user configured an explicit type. * config/rs6000/rs6000.h (TARGET_IEEEQUAD_MULTILIB): Indicate we have no long double multilibs if not defined. * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not warn if the user used -mabi={ieee,ibm}longdouble and we built multilibs for long double. * config/rs6000/linux64.h (MULTILIB_DEFAULTS_IEEE): Define as the appropriate multilib option. (MULTILIB_DEFAULTS): Add MULTILIB_DEFAULTS_IEEE to the default multilib options. * config/rs6000/t-ldouble-linux64le-ibm: New configuration files for building long double multilibs. * config/rs6000/t-ldouble-linux64le-ieee: Likewise. 2018-01-16 John David Anglin * config.gcc (hppa*-*-linux*): Change callee copies ABI to caller copies. * config/pa.h (MALLOC_ABI_ALIGNMENT): Set 32-bit alignment default to 64 bits. * config/pa/pa32-linux.h (MALLOC_ABI_ALIGNMENT): Set alignment to 128 bits. * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Cleanup type and mode variables. * config/pa/pa.c (pa_function_arg_size): Apply CEIL to GET_MODE_SIZE return value. 2018-01-16 Eric Botcazou * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For an ADDR_EXPR, do not count the offset of a COMPONENT_REF twice. 2018-01-16 Kelvin Nilsen * config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Generate different rtl trees depending on TARGET_64BIT. (rs6000_gen_lvx): Likewise. 2018-01-16 Eric Botcazou * config/visium/visium.md (nop): Tweak comment. (hazard_nop): Likewise. 2018-01-16 Bill Schmidt * config/rs6000/rs6000.c (rs6000_opt_vars): Add entry for -mspeculate-indirect-jumps. * config/rs6000/rs6000.md (*call_indirect_elfv2): Disable for -mno-speculate-indirect-jumps. (*call_indirect_elfv2_nospec): New define_insn. (*call_value_indirect_elfv2): Disable for -mno-speculate-indirect-jumps. (*call_value_indirect_elfv2_nospec): New define_insn. (indirect_jump): Emit different RTL for -mno-speculate-indirect-jumps. (*indirect_jump): Disable for -mno-speculate-indirect-jumps. (*indirect_jump_nospec): New define_insn. (tablejump): Emit different RTL for -mno-speculate-indirect-jumps. (tablejumpsi): Disable for -mno-speculate-indirect-jumps. (tablejumpsi_nospec): New define_expand. (tablejumpdi): Disable for -mno-speculate-indirect-jumps. (tablejumpdi_nospec): New define_expand. (*tablejump_internal1): Disable for -mno-speculate-indirect-jumps. (*tablejump_internal1_nospec): New define_insn. * config/rs6000/rs6000.opt (mspeculate-indirect-jumps): New option. 2018-01-16 Artyom Skrobov tyomitch@gmail.com * caller-save.c (insert_save): Drop unnecessary parameter. All callers updated. 2018-01-16 Jakub Jelinek Richard Biener PR libgomp/83590 * gimplify.c (gimplify_one_sizepos): For is_gimple_constant (expr) return early, inline manually is_gimple_sizepos. Make sure if we call gimplify_expr we don't end up with a gimple constant. * tree.c (variably_modified_type_p): Don't return true for is_gimple_constant (_t). Inline manually is_gimple_sizepos. * gimplify.h (is_gimple_sizepos): Remove. 2018-01-16 Richard Sandiford PR tree-optimization/83857 * tree-vect-loop.c (vect_analyze_loop_operations): Don't call vectorizable_live_operation for pure SLP statements. (vectorizable_live_operation): Handle PHIs. 2018-01-16 Richard Biener PR tree-optimization/83867 * tree-vect-stmts.c (vect_transform_stmt): Precompute nested_in_vect_loop_p since the scalar stmt may get invalidated. 2018-01-16 Jakub Jelinek PR c/83844 * stor-layout.c (handle_warn_if_not_align): Use byte_position and multiple_of_p instead of unchecked tree_to_uhwi and UHWI check. If off is not INTEGER_CST, issue a may not be aligned warning rather than isn't aligned. Use isn%'t rather than isn't. * fold-const.c (multiple_of_p) : Don't fall through into MULT_EXPR. : Improve the case when bottom and one of the MULT_EXPR operands are INTEGER_CSTs and bottom is multiple of that operand, in that case check if the other operand is multiple of bottom divided by the INTEGER_CST operand. 2018-01-16 Richard Sandiford PR target/83858 * config/pa/pa.h (FUNCTION_ARG_SIZE): Delete. * config/pa/pa-protos.h (pa_function_arg_size): Declare. * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Use pa_function_arg_size instead of FUNCTION_ARG_SIZE. * config/pa/pa.c (pa_function_arg_advance): Likewise. (pa_function_arg, pa_arg_partial_bytes): Likewise. (pa_function_arg_size): New function. 2018-01-16 Richard Sandiford * fold-const.c (fold_ternary_loc): Construct the vec_perm_indices in a separate statement. 2018-01-16 Richard Sandiford PR tree-optimization/83847 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Don't group gathers and scatters. 2018-01-16 Jakub Jelinek PR rtl-optimization/86620 * params.def (max-sched-ready-insns): Bump minimum value to 1. PR rtl-optimization/83213 * recog.c (peep2_attempt): Copy over CROSSING_JUMP_P from peepinsn to last if both are JUMP_INSNs. PR tree-optimization/83843 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Handle bit_not_p on store_immediate_info for bswap/nop orig_stores. 2018-01-15 Andrew Waterman * config/riscv/riscv.c (riscv_rtx_costs) : Increase cost if !TARGET_MUL. : Increase cost if !TARGET_DIV. 2018-01-15 Segher Boessenkool * config/rs6000/rs6000.md (define_attr "type"): Remove delayed_cr. (define_attr "cr_logical_3op"): New. (cceq_ior_compare): Adjust. (cceq_ior_compare_complement): Adjust. (*cceq_rev_compare): Adjust. * config/rs6000/rs6000.c (rs6000_adjust_cost): Adjust. (is_cracked_insn): Adjust. (insn_must_be_first_in_group): Adjust. * config/rs6000/40x.md: Adjust. * config/rs6000/440.md: Adjust. * config/rs6000/476.md: Adjust. * config/rs6000/601.md: Adjust. * config/rs6000/603.md: Adjust. * config/rs6000/6xx.md: Adjust. * config/rs6000/7450.md: Adjust. * config/rs6000/7xx.md: Adjust. * config/rs6000/8540.md: Adjust. * config/rs6000/cell.md: Adjust. * config/rs6000/e300c2c3.md: Adjust. * config/rs6000/e500mc.md: Adjust. * config/rs6000/e500mc64.md: Adjust. * config/rs6000/e5500.md: Adjust. * config/rs6000/e6500.md: Adjust. * config/rs6000/mpc.md: Adjust. * config/rs6000/power4.md: Adjust. * config/rs6000/power5.md: Adjust. * config/rs6000/power6.md: Adjust. * config/rs6000/power7.md: Adjust. * config/rs6000/power8.md: Adjust. * config/rs6000/power9.md: Adjust. * config/rs6000/rs64.md: Adjust. * config/rs6000/titan.md: Adjust. 2018-01-15 H.J. Lu * config/i386/predicates.md (indirect_branch_operand): Rewrite ix86_indirect_branch_register logic. 2018-01-15 H.J. Lu * config/i386/constraints.md (Bs): Update ix86_indirect_branch_register check. Don't check ix86_indirect_branch_register with GOT_memory_operand. (Bw): Likewise. * config/i386/predicates.md (GOT_memory_operand): Don't check ix86_indirect_branch_register here. (GOT32_symbol_operand): Likewise. 2018-01-15 H.J. Lu * config/i386/predicates.md (constant_call_address_operand): Rewrite ix86_indirect_branch_register logic. (sibcall_insn_operand): Likewise. 2018-01-15 H.J. Lu * config/i386/constraints.md (Bs): Replace ix86_indirect_branch_thunk_register with ix86_indirect_branch_register. (Bw): Likewise. * config/i386/i386.md (indirect_jump): Likewise. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Peepholes of indirect call and jump via memory: Likewise. * config/i386/i386.opt: Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. 2018-01-15 Jakub Jelinek PR middle-end/83837 * omp-expand.c (expand_omp_atomic_pipeline): Use loaded_val type rather than type addr's type points to. (expand_omp_atomic_mutex): Likewise. (expand_omp_atomic): Likewise. 2018-01-15 H.J. Lu PR target/83839 * config/i386/i386.c (output_indirect_thunk_function): Use ASM_OUTPUT_LABEL, instead of ASM_OUTPUT_DEF, for TARGET_MACHO for __x86_return_thunk. 2018-01-15 Richard Biener PR middle-end/83850 * expmed.c (extract_bit_field_1): Fix typo. 2018-01-15 Kyrylo Tkachov PR target/83687 * config/arm/iterators.md (VF): New mode iterator. * config/arm/neon.md (neon_vabd_2): Use the above. Remove integer-related logic from pattern. (neon_vabd_3): Likewise. 2018-01-15 Jakub Jelinek PR middle-end/82694 * common.opt (fstrict-overflow): No longer an alias. (fwrapv-pointer): New option. * tree.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED): Define also for pointer types based on flag_wrapv_pointer. * opts.c (common_handle_option) : Set opts->x_flag_wrap[pv] to !value, clear opts->x_flag_trapv if opts->x_flag_wrapv got set. * fold-const.c (fold_comparison, fold_binary_loc): Revert 2017-08-01 changes, just use TYPE_OVERFLOW_UNDEFINED on pointer type instead of POINTER_TYPE_OVERFLOW_UNDEFINED. * match.pd: Likewise in address comparison pattern. * doc/invoke.texi: Document -fwrapv and -fstrict-overflow. 2018-01-15 Richard Biener PR lto/83804 * tree.c (free_lang_data_in_type): Always unlink TYPE_DECLs from TYPE_FIELDS. Free TYPE_BINFO if not used by devirtualization. Reset type names to their identifier if their TYPE_DECL doesn't have linkage (and thus is used for ODR and devirt). (save_debug_info_for_decl): Remove. (save_debug_info_for_type): Likewise. (add_tree_to_fld_list): Adjust. * tree-pretty-print.c (dump_generic_node): Make dumping of type names more robust. 2018-01-15 Richard Biener * BASE-VER: Bump to 8.0.1. 2018-01-14 Martin Sebor PR other/83508 * builtins.c (check_access): Avoid warning when the no-warning bit is set. 2018-01-14 Cory Fields * tree-ssa-loop-im.c (sort_bbs_in_loop_postorder_cmp): Stabilize sort. * ira-color (allocno_hard_regs_compare): Likewise. 2018-01-14 Nathan Rossi PR target/83013 * config/microblaze/microblaze.c (microblaze_asm_output_ident): Use .pushsection/.popsection. 2018-01-14 Martin Sebor PR c++/81327 * doc/invoke.texi (-Wlass-memaccess): Document suppression by casting. 2018-01-14 Jakub Jelinek * config.gcc (i[34567]86-*-*): Remove one duplicate gfniintrin.h entry from extra_headers. (x86_64-*-*): Remove two duplicate gfniintrin.h entries from extra_headers, make the list bitwise identical to the i?86-*-* one. 2018-01-14 H.J. Lu * config/i386/i386.c (ix86_set_indirect_branch_type): Disallow -mcmodel=large with -mindirect-branch=thunk, -mindirect-branch=thunk-extern, -mfunction-return=thunk and -mfunction-return=thunk-extern. * doc/invoke.texi: Document -mcmodel=large is incompatible with -mindirect-branch=thunk, -mindirect-branch=thunk-extern, -mfunction-return=thunk and -mfunction-return=thunk-extern. 2018-01-14 H.J. Lu * config/i386/i386.c (print_reg): Print the name of the full integer register without '%'. (ix86_print_operand): Handle 'V'. * doc/extend.texi: Document 'V' modifier. 2018-01-14 H.J. Lu * config/i386/constraints.md (Bs): Disallow memory operand for -mindirect-branch-register. (Bw): Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. * config/i386/i386.md (indirect_jump): Call convert_memory_address for -mindirect-branch-register. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Disallow peepholes of indirect call and jump via memory for -mindirect-branch-register. (*call_pop): Replace m with Bw. (*call_value_pop): Likewise. (*sibcall_pop_memory): Replace m with Bs. * config/i386/i386.opt (mindirect-branch-register): New option. * doc/invoke.texi: Document -mindirect-branch-register option. 2018-01-14 H.J. Lu * config/i386/i386-protos.h (ix86_output_function_return): New. * config/i386/i386.c (ix86_set_indirect_branch_type): Also set function_return_type. (indirect_thunk_name): Add ret_p to indicate thunk for function return. (output_indirect_thunk_function): Pass false to indirect_thunk_name. (ix86_output_indirect_branch_via_reg): Likewise. (ix86_output_indirect_branch_via_push): Likewise. (output_indirect_thunk_function): Create alias for function return thunk if regno < 0. (ix86_output_function_return): New function. (ix86_handle_fndecl_attribute): Handle function_return. (ix86_attribute_table): Add function_return. * config/i386/i386.h (machine_function): Add function_return_type. * config/i386/i386.md (simple_return_internal): Use ix86_output_function_return. (simple_return_internal_long): Likewise. * config/i386/i386.opt (mfunction-return=): New option. (indirect_branch): Mention -mfunction-return=. * doc/extend.texi: Document function_return function attribute. * doc/invoke.texi: Document -mfunction-return= option. 2018-01-14 H.J. Lu * config/i386/i386-opts.h (indirect_branch): New. * config/i386/i386-protos.h (ix86_output_indirect_jmp): Likewise. * config/i386/i386.c (ix86_using_red_zone): Disallow red-zone with local indirect jump when converting indirect call and jump. (ix86_set_indirect_branch_type): New. (ix86_set_current_function): Call ix86_set_indirect_branch_type. (indirectlabelno): New. (indirect_thunk_needed): Likewise. (indirect_thunk_bnd_needed): Likewise. (indirect_thunks_used): Likewise. (indirect_thunks_bnd_used): Likewise. (INDIRECT_LABEL): Likewise. (indirect_thunk_name): Likewise. (output_indirect_thunk): Likewise. (output_indirect_thunk_function): Likewise. (ix86_output_indirect_branch_via_reg): Likewise. (ix86_output_indirect_branch_via_push): Likewise. (ix86_output_indirect_branch): Likewise. (ix86_output_indirect_jmp): Likewise. (ix86_code_end): Call output_indirect_thunk_function if needed. (ix86_output_call_insn): Call ix86_output_indirect_branch if needed. (ix86_handle_fndecl_attribute): Handle indirect_branch. (ix86_attribute_table): Add indirect_branch. * config/i386/i386.h (machine_function): Add indirect_branch_type and has_local_indirect_jump. * config/i386/i386.md (indirect_jump): Set has_local_indirect_jump to true. (tablejump): Likewise. (*indirect_jump): Use ix86_output_indirect_jmp. (*tablejump_1): Likewise. (simple_return_indirect_internal): Likewise. * config/i386/i386.opt (mindirect-branch=): New option. (indirect_branch): New. (keep): Likewise. (thunk): Likewise. (thunk-inline): Likewise. (thunk-extern): Likewise. * doc/extend.texi: Document indirect_branch function attribute. * doc/invoke.texi: Document -mindirect-branch= option. 2018-01-14 Jan Hubicka PR ipa/83051 * ipa-inline.c (edge_badness): Tolerate roundoff errors. 2018-01-14 Richard Sandiford * ipa-inline.c (want_inline_small_function_p): Return false if inlining has already failed with CIF_FINAL_ERROR. (update_caller_keys): Call want_inline_small_function_p before can_inline_edge_p. (update_callee_keys): Likewise. 2018-01-10 Kelvin Nilsen * config/rs6000/rs6000-p8swap.c (rs6000_sum_of_two_registers_p): New function. (rs6000_quadword_masked_address_p): Likewise. (quad_aligned_load_p): Likewise. (quad_aligned_store_p): Likewise. (const_load_sequence_p): Add comment to describe the outer-most loop. (mimic_memory_attributes_and_flags): New function. (rs6000_gen_stvx): Likewise. (replace_swapped_aligned_store): Likewise. (rs6000_gen_lvx): Likewise. (replace_swapped_aligned_load): Likewise. (replace_swapped_load_constant): Capitalize argument name in comment describing this function. (rs6000_analyze_swaps): Add a third pass to search for vector loads and stores that access quad-word aligned addresses and replace with stvx or lvx instructions when appropriate. * config/rs6000/rs6000-protos.h (rs6000_sum_of_two_registers_p): New function prototype. (rs6000_quadword_masked_address_p): Likewise. (rs6000_gen_lvx): Likewise. (rs6000_gen_stvx): Likewise. * config/rs6000/vsx.md (*vsx_le_perm_load_): For modes VSX_D (V2DF, V2DI), modify this split to select lvx instruction when memory address is aligned. (*vsx_le_perm_load_): For modes VSX_W (V4SF, V4SI), modify this split to select lvx instruction when memory address is aligned. (*vsx_le_perm_load_v8hi): Modify this split to select lvx instruction when memory address is aligned. (*vsx_le_perm_load_v16qi): Likewise. (four unnamed splitters): Modify to select the stvx instruction when memory is aligned. 2018-01-13 Jan Hubicka * predict.c (determine_unlikely_bbs): Handle correctly BBs which appears in the queue multiple times. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vec_lower_bound): New structure. (_loop_vec_info): Add check_nonzero and lower_bounds. (LOOP_VINFO_CHECK_NONZERO): New macro. (LOOP_VINFO_LOWER_BOUNDS): Likewise. (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Check lower_bounds too. * tree-data-ref.h (dr_with_seg_len): Add access_size and align fields. Make seg_len the distance travelled, not including the access size. (dr_direction_indicator): Declare. (dr_zero_step_indicator): Likewise. (dr_known_forward_stride_p): Likewise. * tree-data-ref.c: Include stringpool.h, tree-vrp.h and tree-ssanames.h. (runtime_alias_check_p): Allow runtime alias checks with variable strides. (operator ==): Compare access_size and align. (prune_runtime_alias_test_list): Rework for new distinction between the access_size and seg_len. (create_intersect_range_checks_index): Likewise. Cope with polynomial segment lengths. (get_segment_min_max): New function. (create_intersect_range_checks): Use it. (dr_step_indicator): New function. (dr_direction_indicator): Likewise. (dr_zero_step_indicator): Likewise. (dr_known_forward_stride_p): Likewise. * tree-loop-distribution.c (data_ref_segment_size): Return DR_STEP * (niters - 1). (compute_alias_check_pairs): Update call to the dr_with_seg_len constructor. * tree-vect-data-refs.c (vect_check_nonzero_value): New function. (vect_preserves_scalar_order_p): New function, split out from... (vect_analyze_data_ref_dependence): ...here. Check for zero steps. (vect_vfa_segment_size): Return DR_STEP * (length_factor - 1). (vect_vfa_access_size): New function. (vect_vfa_align): Likewise. (vect_compile_time_alias): Take access_size_a and access_b arguments. (dump_lower_bound): New function. (vect_check_lower_bound): Likewise. (vect_small_gap_p): Likewise. (vectorizable_with_step_bound_p): Likewise. (vect_prune_runtime_alias_test_list): Ignore cross-iteration depencies if the vectorization factor is 1. Convert the checks for nonzero steps into checks on the bounds of DR_STEP. Try using a bunds check for variable steps if the minimum required step is relatively small. Update calls to the dr_with_seg_len constructor and to vect_compile_time_alias. * tree-vect-loop-manip.c (vect_create_cond_for_lower_bounds): New function. (vect_loop_versioning): Call it. * tree-vect-loop.c (vect_analyze_loop_2): Clear LOOP_VINFO_LOWER_BOUNDS when retrying. (vect_estimate_min_profitable_iters): Account for any bounds checks. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/sourcebuild.texi (vect_scatter_store): Document. * optabs.def (scatter_store_optab, mask_scatter_store_optab): New optabs. * doc/md.texi (scatter_store@var{m}, mask_scatter_store@var{m}): Document. * genopinit.c (main): Add supports_vec_scatter_store and supports_vec_scatter_store_cached to target_optabs. * gimple.h (gimple_expr_type): Handle IFN_SCATTER_STORE and IFN_MASK_SCATTER_STORE. * internal-fn.def (SCATTER_STORE, MASK_SCATTER_STORE): New internal functions. * internal-fn.h (internal_store_fn_p): Declare. (internal_fn_stored_value_index): Likewise. * internal-fn.c (scatter_store_direct): New macro. (expand_scatter_store_optab_fn): New function. (direct_scatter_store_optab_supported_p): New macro. (internal_store_fn_p): New function. (internal_gather_scatter_fn_p): Handle IFN_SCATTER_STORE and IFN_MASK_SCATTER_STORE. (internal_fn_mask_index): Likewise. (internal_fn_stored_value_index): New function. (internal_gather_scatter_fn_supported_p): Adjust operand numbers for scatter stores. * optabs-query.h (supports_vec_scatter_store_p): Declare. * optabs-query.c (supports_vec_scatter_store_p): New function. * tree-vectorizer.h (vect_get_store_rhs): Declare. * tree-vect-data-refs.c (vect_analyze_data_ref_access): Return true for scatter stores. (vect_gather_scatter_fn_p): Handle scatter stores too. (vect_check_gather_scatter): Consider using scatter stores if supports_vec_scatter_store_p. * tree-vect-patterns.c (vect_try_gather_scatter_pattern): Handle scatter stores too. * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use internal_fn_stored_value_index. (check_load_store_masking): Handle scatter stores too. (vect_get_store_rhs): Make public. (vectorizable_call): Use internal_store_fn_p. (vectorizable_store): Handle scatter store internal functions. (vect_transform_stmt): Compare GROUP_STORE_COUNT with GROUP_SIZE when deciding whether the end of the group has been reached. * config/aarch64/aarch64.md (UNSPEC_ST1_SCATTER): New unspec. * config/aarch64/aarch64-sve.md (scatter_store): New expander. (mask_scatter_store): New insns. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vect_gather_scatter_fn_p): Declare. * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Make public. * tree-vect-stmts.c (vect_truncate_gather_scatter_offset): New function. (vect_use_strided_gather_scatters_p): Take a masked_p argument. Use vect_truncate_gather_scatter_offset if we can't treat the operation as a normal gather load or scatter store. (get_group_load_store_type): Take the gather_scatter_info as argument. Try using a gather load or scatter store for single-element groups. (get_load_store_type): Update calls to get_group_load_store_type and vect_use_strided_gather_scatters_p. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vect_create_data_ref_ptr): Take an extra optional tree argument. * tree-vect-data-refs.c (vect_check_gather_scatter): Check for null target hooks. (vect_create_data_ref_ptr): Take the iv_step as an optional argument, but continue to use the current value as a fallback. (bump_vector_ptr): Use operand_equal_p rather than tree_int_cst_compare to compare the updates. * tree-vect-stmts.c (vect_use_strided_gather_scatters_p): New function. (get_load_store_type): Use it when handling a strided access. (vect_get_strided_load_store_ops): New function. (vect_get_data_ptr_increment): Likewise. (vectorizable_load): Handle strided gather loads. Always pass a step to vect_create_data_ref_ptr and bump_vector_ptr. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (gather_load@var{m}): Document. (mask_gather_load@var{m}): Likewise. * genopinit.c (main): Add supports_vec_gather_load and supports_vec_gather_load_cached to target_optabs. * optabs-tree.c (init_tree_optimization_optabs): Use ggc_cleared_alloc to allocate target_optabs. * optabs.def (gather_load_optab, mask_gather_laod_optab): New optabs. * internal-fn.def (GATHER_LOAD, MASK_GATHER_LOAD): New internal functions. * internal-fn.h (internal_load_fn_p): Declare. (internal_gather_scatter_fn_p): Likewise. (internal_fn_mask_index): Likewise. (internal_gather_scatter_fn_supported_p): Likewise. * internal-fn.c (gather_load_direct): New macro. (expand_gather_load_optab_fn): New function. (direct_gather_load_optab_supported_p): New macro. (direct_internal_fn_optab): New function. (internal_load_fn_p): Likewise. (internal_gather_scatter_fn_p): Likewise. (internal_fn_mask_index): Likewise. (internal_gather_scatter_fn_supported_p): Likewise. * optabs-query.c (supports_at_least_one_mode_p): New function. (supports_vec_gather_load_p): Likewise. * optabs-query.h (supports_vec_gather_load_p): Declare. * tree-vectorizer.h (gather_scatter_info): Add ifn, element_type and memory_type field. (NUM_PATTERNS): Bump to 15. * tree-vect-data-refs.c: Include internal-fn.h. (vect_gather_scatter_fn_p): New function. (vect_describe_gather_scatter_call): Likewise. (vect_check_gather_scatter): Try using internal functions for gather loads. Recognize existing calls to a gather load function. (vect_analyze_data_refs): Consider using gather loads if supports_vec_gather_load_p. * tree-vect-patterns.c (vect_get_load_store_mask): New function. (vect_get_gather_scatter_offset_type): Likewise. (vect_convert_mask_for_vectype): Likewise. (vect_add_conversion_to_patterm): Likewise. (vect_try_gather_scatter_pattern): Likewise. (vect_recog_gather_scatter_pattern): New pattern recognizer. (vect_vect_recog_func_ptrs): Add it. * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use internal_fn_mask_index and internal_gather_scatter_fn_p. (check_load_store_masking): Take the gather_scatter_info as an argument and handle gather loads. (vect_get_gather_scatter_ops): New function. (vectorizable_call): Check internal_load_fn_p. (vectorizable_load): Likewise. Handle gather load internal functions. (vectorizable_store): Update call to check_load_store_masking. * config/aarch64/aarch64.md (UNSPEC_LD1_GATHER): New unspec. * config/aarch64/iterators.md (SVE_S, SVE_D): New mode iterators. * config/aarch64/predicates.md (aarch64_gather_scale_operand_w) (aarch64_gather_scale_operand_d): New predicates. * config/aarch64/aarch64-sve.md (gather_load): New expander. (mask_gather_load): New insns. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * optabs.def (fold_left_plus_optab): New optab. * doc/md.texi (fold_left_plus_@var{m}): Document. * internal-fn.def (IFN_FOLD_LEFT_PLUS): New internal function. * internal-fn.c (fold_left_direct): Define. (expand_fold_left_optab_fn): Likewise. (direct_fold_left_optab_supported_p): Likewise. * fold-const-call.c (fold_const_fold_left): New function. (fold_const_call): Use it to fold CFN_FOLD_LEFT_PLUS. * tree-parloops.c (valid_reduction_p): New function. (gather_scalar_reductions): Use it. * tree-vectorizer.h (FOLD_LEFT_REDUCTION): New vect_reduction_type. (vect_finish_replace_stmt): Declare. * tree-vect-loop.c (fold_left_reduction_fn): New function. (needs_fold_left_reduction_p): New function, split out from... (vect_is_simple_reduction): ...here. Accept reductions that forbid reassociation, but give them type FOLD_LEFT_REDUCTION. (vect_force_simple_reduction): Also store the reduction type in the assignment's STMT_VINFO_REDUC_TYPE. (vect_model_reduction_cost): Handle FOLD_LEFT_REDUCTION. (merge_with_identity): New function. (vect_expand_fold_left): Likewise. (vectorize_fold_left_reduction): Likewise. (vectorizable_reduction): Handle FOLD_LEFT_REDUCTION. Leave the scalar phi in place for it. Check for target support and reject cases that would reassociate the operation. Defer the transform phase to vectorize_fold_left_reduction. * config/aarch64/aarch64.md (UNSPEC_FADDA): New unspec. * config/aarch64/aarch64-sve.md (fold_left_plus_): New expander. (*fold_left_plus_, *pred_fold_left_plus_): New insns. 2018-01-13 Richard Sandiford * tree-if-conv.c (predicate_mem_writes): Remove redundant call to ifc_temp_var. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * target.def (legitimize_address_displacement): Take the original offset as a poly_int. * targhooks.h (default_legitimize_address_displacement): Update accordingly. * targhooks.c (default_legitimize_address_displacement): Likewise. * doc/tm.texi: Regenerate. * lra-constraints.c (base_plus_disp_to_reg): Take the displacement as an argument, moving assert of ad->disp == ad->disp_term to... (process_address_1): ...here. Update calls to base_plus_disp_to_reg. Try calling targetm.legitimize_address_displacement before expanding the address rather than afterwards, and adjust for the new interface. * config/aarch64/aarch64.c (aarch64_legitimize_address_displacement): Match the new hook interface. Handle SVE addresses. * config/sh/sh.c (sh_legitimize_address_displacement): Make the new hook interface. 2018-01-13 Richard Sandiford * Makefile.in (OBJS): Add early-remat.o. * target.def (select_early_remat_modes): New hook. * doc/tm.texi.in (TARGET_SELECT_EARLY_REMAT_MODES): New hook. * doc/tm.texi: Regenerate. * targhooks.h (default_select_early_remat_modes): Declare. * targhooks.c (default_select_early_remat_modes): New function. * timevar.def (TV_EARLY_REMAT): New timevar. * passes.def (pass_early_remat): New pass. * tree-pass.h (make_pass_early_remat): Declare. * early-remat.c: New file. * config/aarch64/aarch64.c (aarch64_select_early_remat_modes): New function. (TARGET_SELECT_EARLY_REMAT_MODES): Define. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Replace vfm1 with a bound_epilog parameter. (vect_do_peeling): Update calls accordingly, and move the prologue call earlier in the function. Treat the base bound_epilog as 0 for fully-masked loops and retain vf - 1 for other loops. Add 1 to this base when peeling for gaps. * tree-vect-loop.c (vect_analyze_loop_2): Allow peeling for gaps with fully-masked loops. (vect_estimate_min_profitable_iters): Handle the single peeled iteration in that case. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_analyze_group_access_1): Allow single-element interleaving even if the size is not a power of 2. * tree-vect-stmts.c (get_load_store_type): Disallow elementwise accesses for single-element interleaving if the group size is not a power of 2. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (fold_extract_last_@var{m}): Document. * doc/sourcebuild.texi (vect_fold_extract_last): Likewise. * optabs.def (fold_extract_last_optab): New optab. * internal-fn.def (FOLD_EXTRACT_LAST): New internal function. * internal-fn.c (fold_extract_direct): New macro. (expand_fold_extract_optab_fn): Likewise. (direct_fold_extract_optab_supported_p): Likewise. * tree-vectorizer.h (EXTRACT_LAST_REDUCTION): New vect_reduction_type. * tree-vect-loop.c (vect_model_reduction_cost): Handle EXTRACT_LAST_REDUCTION. (get_initial_def_for_reduction): Do not create an initial vector for EXTRACT_LAST_REDUCTION reductions. (vectorizable_reduction): Leave the scalar phi in place for EXTRACT_LAST_REDUCTIONs. Try using EXTRACT_LAST_REDUCTION ahead of INTEGER_INDUC_COND_REDUCTION. Do not check for an epilogue code for EXTRACT_LAST_REDUCTION and defer the transform phase to vectorizable_condition. * tree-vect-stmts.c (vect_finish_stmt_generation_1): New function, split out from... (vect_finish_stmt_generation): ...here. (vect_finish_replace_stmt): New function. (vectorizable_condition): Handle EXTRACT_LAST_REDUCTION. * config/aarch64/aarch64-sve.md (fold_extract_last_): New pattern. * config/aarch64/aarch64.md (UNSPEC_CLASTB): New unspec. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (extract_last_@var{m}): Document. * optabs.def (extract_last_optab): New optab. * internal-fn.def (EXTRACT_LAST): New internal function. * internal-fn.c (cond_unary_direct): New macro. (expand_cond_unary_optab_fn): Likewise. (direct_cond_unary_optab_supported_p): Likewise. * tree-vect-loop.c (vectorizable_live_operation): Allow fully-masked loops using EXTRACT_LAST. * config/aarch64/aarch64-sve.md (aarch64_sve_lastb): Rename to... (extract_last_): ...this optab. (vec_extract): Update accordingly. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * target.def (empty_mask_is_expensive): New hook. * doc/tm.texi.in (TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): New hook. * doc/tm.texi: Regenerate. * targhooks.h (default_empty_mask_is_expensive): Declare. * targhooks.c (default_empty_mask_is_expensive): New function. * tree-vectorizer.c (vectorize_loops): Only call optimize_mask_stores if the target says that empty masks are expensive. * config/aarch64/aarch64.c (aarch64_empty_mask_is_expensive): New function. (TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): Redefine. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (_loop_vec_info::mask_skip_niters): New field. (LOOP_VINFO_MASK_SKIP_NITERS): New macro. (vect_use_loop_mask_for_alignment_p): New function. (vect_prepare_for_masked_peels, vect_gen_while_not): Declare. * tree-vect-loop-manip.c (vect_set_loop_masks_directly): Add an niters_skip argument. Make sure that the first niters_skip elements of the first iteration are inactive. (vect_set_loop_condition_masked): Handle LOOP_VINFO_MASK_SKIP_NITERS. Update call to vect_set_loop_masks_directly. (get_misalign_in_elems): New function, split out from... (vect_gen_prolog_loop_niters): ...here. (vect_update_init_of_dr): Take a code argument that specifies whether the adjustment should be added or subtracted. (vect_update_init_of_drs): Likewise. (vect_prepare_for_masked_peels): New function. (vect_do_peeling): Skip prologue peeling if we're using a mask instead. Update call to vect_update_inits_of_drs. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize mask_skip_niters. (vect_analyze_loop_2): Allow fully-masked loops with peeling for alignment. Do not include the number of peeled iterations in the minimum threshold in that case. (vectorizable_induction): Adjust the start value down by LOOP_VINFO_MASK_SKIP_NITERS iterations. (vect_transform_loop): Call vect_prepare_for_masked_peels. Take the number of skipped iterations into account when calculating the loop bounds. * tree-vect-stmts.c (vect_gen_while_not): New function. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/sourcebuild.texi (vect_fully_masked): Document. * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change minimum and default value to 0. * tree-vect-loop.c (vect_analyze_loop_costing): New function, split out from... (vect_analyze_loop_2): ...here. Don't check the vectorization factor against the number of loop iterations if the loop is fully-masked. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-ssa-loop-ivopts.c (USE_ADDRESS): Split into... (USE_REF_ADDRESS, USE_PTR_ADDRESS): ...these new use types. (dump_groups): Update accordingly. (iv_use::mem_type): New member variable. (address_p): New function. (record_use): Add a mem_type argument and initialize the new mem_type field. (record_group_use): Add a mem_type argument. Use address_p. Remove obsolete null checks of base_object. Update call to record_use. (find_interesting_uses_op): Update call to record_group_use. (find_interesting_uses_cond): Likewise. (find_interesting_uses_address): Likewise. (get_mem_type_for_internal_fn): New function. (find_address_like_use): Likewise. (find_interesting_uses_stmt): Try find_address_like_use before calling find_interesting_uses_op. (addr_offset_valid_p): Use the iv mem_type field as the type of the addressed memory. (add_autoinc_candidates): Likewise. (get_address_cost): Likewise. (split_small_address_groups_p): Use address_p. (split_address_groups): Likewise. (add_iv_candidate_for_use): Likewise. (autoinc_possible_for_pair): Likewise. (rewrite_groups): Likewise. (get_use_type): Check for USE_REF_ADDRESS instead of USE_ADDRESS. (determine_group_iv_cost): Update after split of USE_ADDRESS. (get_alias_ptr_type_for_ptr_address): New function. (rewrite_use_address): Rewrite address uses in calls that were identified by find_address_like_use. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_addr_expr_1): Handle ADDR_EXPRs of TARGET_MEM_REFs. * gimple-expr.h (is_gimple_addressable: Likewise. * gimple-expr.c (is_gimple_address): Likewise. * internal-fn.c (expand_call_mem_ref): New function. (expand_mask_load_optab_fn): Use it. (expand_mask_store_optab_fn): Likewise. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (cond_add@var{mode}, cond_sub@var{mode}) (cond_and@var{mode}, cond_ior@var{mode}, cond_xor@var{mode}) (cond_smin@var{mode}, cond_smax@var{mode}, cond_umin@var{mode}) (cond_umax@var{mode}): Document. * optabs.def (cond_add_optab, cond_sub_optab, cond_and_optab) (cond_ior_optab, cond_xor_optab, cond_smin_optab, cond_smax_optab) (cond_umin_optab, cond_umax_optab): New optabs. * internal-fn.def (COND_ADD, COND_SUB, COND_MIN, COND_MAX, COND_AND) (COND_IOR, COND_XOR): New internal functions. * internal-fn.h (get_conditional_internal_fn): Declare. * internal-fn.c (cond_binary_direct): New macro. (expand_cond_binary_optab_fn): Likewise. (direct_cond_binary_optab_supported_p): Likewise. (get_conditional_internal_fn): New function. * tree-vect-loop.c (vectorizable_reduction): Handle fully-masked loops. Cope with reduction statements that are vectorized as calls rather than assignments. * config/aarch64/aarch64-sve.md (cond_): New insns. * config/aarch64/iterators.md (UNSPEC_COND_ADD, UNSPEC_COND_SUB) (UNSPEC_COND_SMAX, UNSPEC_COND_UMAX, UNSPEC_COND_SMIN) (UNSPEC_COND_UMIN, UNSPEC_COND_AND, UNSPEC_COND_ORR) (UNSPEC_COND_EOR): New unspecs. (optab): Add mappings for them. (SVE_COND_INT_OP, SVE_COND_FP_OP): New int iterators. (sve_int_op, sve_fp_op): New int attributes. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * optabs.def (while_ult_optab): New optab. * doc/md.texi (while_ult@var{m}@var{n}): Document. * internal-fn.def (WHILE_ULT): New internal function. * internal-fn.h (direct_internal_fn_supported_p): New override that takes two types as argument. * internal-fn.c (while_direct): New macro. (expand_while_optab_fn): New function. (convert_optab_supported_p): Likewise. (direct_while_optab_supported_p): New macro. * wide-int.h (wi::udiv_ceil): New function. * tree-vectorizer.h (rgroup_masks): New structure. (vec_loop_masks): New typedef. (_loop_vec_info): Add masks, mask_compare_type, can_fully_mask_p and fully_masked_p. (LOOP_VINFO_CAN_FULLY_MASK_P, LOOP_VINFO_FULLY_MASKED_P) (LOOP_VINFO_MASKS, LOOP_VINFO_MASK_COMPARE_TYPE): New macros. (vect_max_vf): New function. (slpeel_make_loop_iterate_ntimes): Delete. (vect_set_loop_condition, vect_get_loop_mask_type, vect_gen_while) (vect_halve_mask_nunits, vect_double_mask_nunits): Declare. (vect_record_loop_mask, vect_get_loop_mask): Likewise. * tree-vect-loop-manip.c: Include tree-ssa-loop-niter.h, internal-fn.h, stor-layout.h and optabs-query.h. (vect_set_loop_mask): New function. (add_preheader_seq): Likewise. (add_header_seq): Likewise. (interleave_supported_p): Likewise. (vect_maybe_permute_loop_masks): Likewise. (vect_set_loop_masks_directly): Likewise. (vect_set_loop_condition_masked): Likewise. (vect_set_loop_condition_unmasked): New function, split out from slpeel_make_loop_iterate_ntimes. (slpeel_make_loop_iterate_ntimes): Rename to.. (vect_set_loop_condition): ...this. Use vect_set_loop_condition_masked for fully-masked loops and vect_set_loop_condition_unmasked otherwise. (vect_do_peeling): Update call accordingly. (vect_gen_vector_loop_niters): Use VF as the step for fully-masked loops. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize mask_compare_type, can_fully_mask_p and fully_masked_p. (release_vec_loop_masks): New function. (_loop_vec_info): Use it to free the loop masks. (can_produce_all_loop_masks_p): New function. (vect_get_max_nscalars_per_iter): Likewise. (vect_verify_full_masking): Likewise. (vect_analyze_loop_2): Save LOOP_VINFO_CAN_FULLY_MASK_P around retries, and free the mask rgroups before retrying. Check loop-wide reasons for disallowing fully-masked loops. Make the final decision about whether use a fully-masked loop or not. (vect_estimate_min_profitable_iters): Do not assume that peeling for the number of iterations will be needed for fully-masked loops. (vectorizable_reduction): Disable fully-masked loops. (vectorizable_live_operation): Likewise. (vect_halve_mask_nunits): New function. (vect_double_mask_nunits): Likewise. (vect_record_loop_mask): Likewise. (vect_get_loop_mask): Likewise. (vect_transform_loop): Handle the case in which the final loop iteration might handle a partial vector. Call vect_set_loop_condition instead of slpeel_make_loop_iterate_ntimes. * tree-vect-stmts.c: Include tree-ssa-loop-niter.h and gimple-fold.h. (check_load_store_masking): New function. (prepare_load_store_mask): Likewise. (vectorizable_store): Handle fully-masked loops. (vectorizable_load): Likewise. (supportable_widening_operation): Use vect_halve_mask_nunits for booleans. (supportable_narrowing_operation): Likewise vect_double_mask_nunits. (vect_gen_while): New function. * config/aarch64/aarch64.md (umax3): New expander. (aarch64_uqdec): New insn. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * optabs.def (reduc_and_scal_optab, reduc_ior_scal_optab) (reduc_xor_scal_optab): New optabs. * doc/md.texi (reduc_and_scal_@var{m}, reduc_ior_scal_@var{m}) (reduc_xor_scal_@var{m}): Document. * doc/sourcebuild.texi (vect_logical_reduc): Likewise. * internal-fn.def (IFN_REDUC_AND, IFN_REDUC_IOR, IFN_REDUC_XOR): New internal functions. * fold-const-call.c (fold_const_call): Handle them. * tree-vect-loop.c (reduction_fn_for_scalar_code): Return the new internal functions for BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR. * config/aarch64/aarch64-sve.md (reduc__scal_): (*reduc__scal_): New patterns. * config/aarch64/iterators.md (UNSPEC_ANDV, UNSPEC_ORV) (UNSPEC_XORV): New unspecs. (optab): Add entries for them. (BITWISEV): New int iterator. (bit_reduc_op): New int attributes. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (vec_shl_insert_@var{m}): New optab. * internal-fn.def (VEC_SHL_INSERT): New internal function. * optabs.def (vec_shl_insert_optab): New optab. * tree-vectorizer.h (can_duplicate_and_interleave_p): Declare. (duplicate_and_interleave): Likewise. * tree-vect-loop.c: Include internal-fn.h. (neutral_op_for_slp_reduction): New function, split out from get_initial_defs_for_reduction. (get_initial_def_for_reduction): Handle option 2 for variable-length vectors by loading the neutral value into a vector and then shifting the initial value into element 0. (get_initial_defs_for_reduction): Replace the code argument with the neutral value calculated by neutral_op_for_slp_reduction. Use gimple_build_vector for constant-length vectors. Use IFN_VEC_SHL_INSERT for variable-length vectors if all but the first group_size elements have a neutral value. Use duplicate_and_interleave otherwise. (vect_create_epilog_for_reduction): Take a neutral_op parameter. Update call to get_initial_defs_for_reduction. Handle SLP reductions for variable-length vectors by creating one vector result for each scalar result, with the elements associated with other scalar results stubbed out with the neutral value. (vectorizable_reduction): Call neutral_op_for_slp_reduction. Require IFN_VEC_SHL_INSERT for double reductions on variable-length vectors, or SLP reductions that have a neutral value. Require can_duplicate_and_interleave_p support for variable-length unchained SLP reductions if there is no neutral value, such as for MIN/MAX reductions. Also require the number of vector elements to be a multiple of the number of SLP statements when doing variable-length unchained SLP reductions. Update call to vect_create_epilog_for_reduction. * tree-vect-slp.c (can_duplicate_and_interleave_p): Make public and remove initial values. (duplicate_and_interleave): Make public. * config/aarch64/aarch64.md (UNSPEC_INSR): New unspec. * config/aarch64/aarch64-sve.md (vec_shl_insert_): New insn. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c: Include gimple-fold.h and internal-fn.h (can_duplicate_and_interleave_p): New function. (vect_get_and_check_slp_defs): Take the vector of statements rather than just the current one. Remove excess parentheses. Restriction rejectinon of vect_constant_def and vect_external_def for variable-length vectors to boolean types, or types for which can_duplicate_and_interleave_p is false. (vect_build_slp_tree_2): Update call to vect_get_and_check_slp_defs. (duplicate_and_interleave): New function. (vect_get_constant_vectors): Use gimple_build_vector for constant-length vectors and suitable variable-length constant vectors. Use duplicate_and_interleave for other variable-length vectors. Don't defer the update when inserting new statements. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vect_estimate_min_profitable_iters): Make sure min_profitable_iters doesn't go negative. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (vec_mask_load_lanes@var{m}@var{n}): Document. (vec_mask_store_lanes@var{m}@var{n}): Likewise. * optabs.def (vec_mask_load_lanes_optab): New optab. (vec_mask_store_lanes_optab): Likewise. * internal-fn.def (MASK_LOAD_LANES): New internal function. (MASK_STORE_LANES): Likewise. * internal-fn.c (mask_load_lanes_direct): New macro. (mask_store_lanes_direct): Likewise. (expand_mask_load_optab_fn): Handle masked operations. (expand_mask_load_lanes_optab_fn): New macro. (expand_mask_store_optab_fn): Handle masked operations. (expand_mask_store_lanes_optab_fn): New macro. (direct_mask_load_lanes_optab_supported_p): Likewise. (direct_mask_store_lanes_optab_supported_p): Likewise. * tree-vectorizer.h (vect_store_lanes_supported): Take a masked_p parameter. (vect_load_lanes_supported): Likewise. * tree-vect-data-refs.c (strip_conversion): New function. (can_group_stmts_p): Likewise. (vect_analyze_data_ref_accesses): Use it instead of checking for a pair of assignments. (vect_store_lanes_supported): Take a masked_p parameter. (vect_load_lanes_supported): Likewise. * tree-vect-loop.c (vect_analyze_loop_2): Update calls to vect_store_lanes_supported and vect_load_lanes_supported. * tree-vect-slp.c (vect_analyze_slp_instance): Likewise. * tree-vect-stmts.c (get_group_load_store_type): Take a masked_p parameter. Don't allow gaps for masked accesses. Use vect_get_store_rhs. Update calls to vect_store_lanes_supported and vect_load_lanes_supported. (get_load_store_type): Take a masked_p parameter and update call to get_group_load_store_type. (vectorizable_store): Update call to get_load_store_type. Handle IFN_MASK_STORE_LANES. (vectorizable_load): Update call to get_load_store_type. Handle IFN_MASK_LOAD_LANES. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-modes.def: Define x2, x3 and x4 vector modes for SVE. * config/aarch64/aarch64-protos.h (aarch64_sve_struct_memory_operand_p): Declare. * config/aarch64/iterators.md (SVE_STRUCT): New mode iterator. (vector_count, insn_length, VSINGLE, vsingle): New mode attributes. (VPRED, vpred): Handle SVE structure modes. * config/aarch64/constraints.md (Utx): New constraint. * config/aarch64/predicates.md (aarch64_sve_struct_memory_operand) (aarch64_sve_struct_nonimmediate_operand): New predicates. * config/aarch64/aarch64.md (UNSPEC_LDN, UNSPEC_STN): New unspecs. * config/aarch64/aarch64-sve.md (mov, *aarch64_sve_mov_le) (*aarch64_sve_mov_be, pred_mov): New patterns for structure modes. Split into pieces after RA. (vec_load_lanes, vec_mask_load_lanes) (vec_store_lanes, vec_mask_store_lanes): New patterns. * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle SVE structure modes. (aarch64_classify_address): Likewise. (sizetochar): Move earlier in file. (aarch64_print_operand): Handle SVE register lists. (aarch64_array_mode): New function. (aarch64_sve_struct_memory_operand_p): Likewise. (TARGET_ARRAY_MODE): Redefine. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * target.def (array_mode): New target hook. * doc/tm.texi.in (TARGET_ARRAY_MODE): New hook. * doc/tm.texi: Regenerate. * hooks.h (hook_optmode_mode_uhwi_none): Declare. * hooks.c (hook_optmode_mode_uhwi_none): New function. * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Use targetm.array_mode. * stor-layout.c (mode_for_array): Likewise. Support polynomial type sizes. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * fold-const.c (fold_binary_loc): Check the argument types rather than the result type when testing for a vector operation. 2018-01-13 Richard Sandiford * doc/tm.texi.in (DWARF_LAZY_REGISTER_VALUE): Document. * doc/tm.texi: Regenerate. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/invoke.texi (-msve-vector-bits=): Document new option. (sve): Document new AArch64 extension. * doc/md.texi (w): Extend the description of the AArch64 constraint to include SVE vectors. (Upl, Upa): Document new AArch64 predicate constraints. * config/aarch64/aarch64-opts.h (aarch64_sve_vector_bits_enum): New enum. * config/aarch64/aarch64.opt (sve_vector_bits): New enum. (msve-vector-bits=): New option. * config/aarch64/aarch64-option-extensions.def (fp, simd): Disable SVE when these are disabled. (sve): New extension. * config/aarch64/aarch64-modes.def: Define SVE vector and predicate modes. Adjust their number of units based on aarch64_sve_vg. (MAX_BITSIZE_MODE_ANY_MODE): Define. * config/aarch64/aarch64-protos.h (ADDR_QUERY_ANY): New aarch64_addr_query_type. (aarch64_const_vec_all_same_in_range_p, aarch64_sve_pred_mode) (aarch64_sve_cnt_immediate_p, aarch64_sve_addvl_addpl_immediate_p) (aarch64_sve_inc_dec_immediate_p, aarch64_add_offset_temporaries) (aarch64_split_add_offset, aarch64_output_sve_cnt_immediate) (aarch64_output_sve_addvl_addpl, aarch64_output_sve_inc_dec_immediate) (aarch64_output_sve_mov_immediate, aarch64_output_ptrue): Declare. (aarch64_simd_imm_zero_p): Delete. (aarch64_check_zero_based_sve_index_immediate): Declare. (aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p) (aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p) (aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p) (aarch64_sve_float_mul_immediate_p): Likewise. (aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT rather than an rtx. (aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): Declare. (aarch64_expand_mov_immediate): Take a gen_vec_duplicate callback. (aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move): Declare. (aarch64_expand_sve_vec_cmp_int, aarch64_expand_sve_vec_cmp_float) (aarch64_expand_sve_vcond, aarch64_expand_sve_vec_perm): Declare. (aarch64_regmode_natural_size): Likewise. * config/aarch64/aarch64.h (AARCH64_FL_SVE): New macro. (AARCH64_FL_V8_3, AARCH64_FL_RCPC, AARCH64_FL_DOTPROD): Shift left one place. (AARCH64_ISA_SVE, TARGET_SVE): New macros. (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add entries for VG and the SVE predicate registers. (V_ALIASES): Add a "z"-prefixed alias. (FIRST_PSEUDO_REGISTER): Change to P15_REGNUM + 1. (AARCH64_DWARF_VG, AARCH64_DWARF_P0): New macros. (PR_REGNUM_P, PR_LO_REGNUM_P): Likewise. (PR_LO_REGS, PR_HI_REGS, PR_REGS): New reg_classes. (REG_CLASS_NAMES): Add entries for them. (REG_CLASS_CONTENTS): Likewise. Update ALL_REGS to include VG and the predicate registers. (aarch64_sve_vg): Declare. (BITS_PER_SVE_VECTOR, BYTES_PER_SVE_VECTOR, BYTES_PER_SVE_PRED) (SVE_BYTE_MODE, MAX_COMPILE_TIME_VEC_BYTES): New macros. (REGMODE_NATURAL_SIZE): Define. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle SVE macros. * config/aarch64/aarch64.c: Include cfgrtl.h. (simd_immediate_info): Add a constructor for series vectors, and an associated step field. (aarch64_sve_vg): New variable. (aarch64_dbx_register_number): Handle VG and the predicate registers. (aarch64_vect_struct_mode_p, aarch64_vector_mode_p): Delete. (VEC_ADVSIMD, VEC_SVE_DATA, VEC_SVE_PRED, VEC_STRUCT, VEC_ANY_SVE) (VEC_ANY_DATA, VEC_STRUCT): New constants. (aarch64_advsimd_struct_mode_p, aarch64_sve_pred_mode_p) (aarch64_classify_vector_mode, aarch64_vector_data_mode_p) (aarch64_sve_data_mode_p, aarch64_sve_pred_mode) (aarch64_get_mask_mode): New functions. (aarch64_hard_regno_nregs): Handle SVE data modes for FP_REGS and FP_LO_REGS. Handle PR_REGS, PR_LO_REGS and PR_HI_REGS. (aarch64_hard_regno_mode_ok): Handle VG. Also handle the SVE predicate modes and predicate registers. Explicitly restrict GPRs to modes of 16 bytes or smaller. Only allow FP registers to store a vector mode if it is recognized by aarch64_classify_vector_mode. (aarch64_regmode_natural_size): New function. (aarch64_hard_regno_caller_save_mode): Return the original mode for predicates. (aarch64_sve_cnt_immediate_p, aarch64_output_sve_cnt_immediate) (aarch64_sve_addvl_addpl_immediate_p, aarch64_output_sve_addvl_addpl) (aarch64_sve_inc_dec_immediate_p, aarch64_output_sve_inc_dec_immediate) (aarch64_add_offset_1_temporaries, aarch64_offset_temporaries): New functions. (aarch64_add_offset): Add a temp2 parameter. Assert that temp1 does not overlap dest if the function is frame-related. Handle SVE constants. (aarch64_split_add_offset): New function. (aarch64_add_sp, aarch64_sub_sp): Add temp2 parameters and pass them aarch64_add_offset. (aarch64_allocate_and_probe_stack_space): Add a temp2 parameter and update call to aarch64_sub_sp. (aarch64_add_cfa_expression): New function. (aarch64_expand_prologue): Pass extra temporary registers to the functions above. Handle the case in which we need to emit new DW_CFA_expressions for registers that were originally saved relative to the stack pointer, but now have to be expressed relative to the frame pointer. (aarch64_output_mi_thunk): Pass extra temporary registers to the functions above. (aarch64_expand_epilogue): Likewise. Prevent inheritance of IP0 and IP1 values for SVE frames. (aarch64_expand_vec_series): New function. (aarch64_expand_sve_widened_duplicate): Likewise. (aarch64_expand_sve_const_vector): Likewise. (aarch64_expand_mov_immediate): Add a gen_vec_duplicate parameter. Handle SVE constants. Use emit_move_insn to move a force_const_mem into the register, rather than emitting a SET directly. (aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move) (aarch64_get_reg_raw_mode, offset_4bit_signed_scaled_p) (offset_6bit_unsigned_scaled_p, aarch64_offset_7bit_signed_scaled_p) (offset_9bit_signed_scaled_p): New functions. (aarch64_replicate_bitmask_imm): New function. (aarch64_bitmask_imm): Use it. (aarch64_cannot_force_const_mem): Reject expressions involving a CONST_POLY_INT. Update call to aarch64_classify_symbol. (aarch64_classify_index): Handle SVE indices, by requiring a plain register index with a scale that matches the element size. (aarch64_classify_address): Handle SVE addresses. Assert that the mode of the address is VOIDmode or an integer mode. Update call to aarch64_classify_symbol. (aarch64_classify_symbolic_expression): Update call to aarch64_classify_symbol. (aarch64_const_vec_all_in_range_p): New function. (aarch64_print_vector_float_operand): Likewise. (aarch64_print_operand): Handle 'N' and 'C'. Use "zN" rather than "vN" for FP registers with SVE modes. Handle (const ...) vectors and the FP immediates 1.0 and 0.5. (aarch64_print_address_internal): Handle SVE addresses. (aarch64_print_operand_address): Use ADDR_QUERY_ANY. (aarch64_regno_regclass): Handle predicate registers. (aarch64_secondary_reload): Handle big-endian reloads of SVE data modes. (aarch64_class_max_nregs): Handle SVE modes and predicate registers. (aarch64_rtx_costs): Check for ADDVL and ADDPL instructions. (aarch64_convert_sve_vector_bits): New function. (aarch64_override_options): Use it to handle -msve-vector-bits=. (aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT rather than an rtx. (aarch64_legitimate_constant_p): Use aarch64_classify_vector_mode. Handle SVE vector and predicate modes. Accept VL-based constants that need only one temporary register, and VL offsets that require no temporary registers. (aarch64_conditional_register_usage): Mark the predicate registers as fixed if SVE isn't available. (aarch64_vector_mode_supported_p): Use aarch64_classify_vector_mode. Return true for SVE vector and predicate modes. (aarch64_simd_container_mode): Take the number of bits as a poly_int64 rather than an unsigned int. Handle SVE modes. (aarch64_preferred_simd_mode): Update call accordingly. Handle SVE modes. (aarch64_autovectorize_vector_sizes): Add BYTES_PER_SVE_VECTOR if SVE is enabled. (aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p) (aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p) (aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p) (aarch64_sve_float_mul_immediate_p): New functions. (aarch64_sve_valid_immediate): New function. (aarch64_simd_valid_immediate): Use it as the fallback for SVE vectors. Explicitly reject structure modes. Check for INDEX constants. Handle PTRUE and PFALSE constants. (aarch64_check_zero_based_sve_index_immediate): New function. (aarch64_simd_imm_zero_p): Delete. (aarch64_mov_operand_p): Use aarch64_simd_valid_immediate for vector modes. Accept constants in the range of CNT[BHWD]. (aarch64_simd_scalar_immediate_valid_for_move): Explicitly ask for an Advanced SIMD mode. (aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): New functions. (aarch64_simd_vector_alignment): Handle SVE predicates. (aarch64_vectorize_preferred_vector_alignment): New function. (aarch64_simd_vector_alignment_reachable): Use it instead of the vector size. (aarch64_shift_truncation_mask): Use aarch64_vector_data_mode_p. (aarch64_output_sve_mov_immediate, aarch64_output_ptrue): New functions. (MAX_VECT_LEN): Delete. (expand_vec_perm_d): Add a vec_flags field. (emit_unspec2, aarch64_expand_sve_vec_perm): New functions. (aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_zip) (aarch64_evpc_ext): Don't apply a big-endian lane correction for SVE modes. (aarch64_evpc_rev): Rename to... (aarch64_evpc_rev_local): ...this. Use a predicated operation for SVE. (aarch64_evpc_rev_global): New function. (aarch64_evpc_dup): Enforce a 64-byte range for SVE DUP. (aarch64_evpc_tbl): Use MAX_COMPILE_TIME_VEC_BYTES instead of MAX_VECT_LEN. (aarch64_evpc_sve_tbl): New function. (aarch64_expand_vec_perm_const_1): Update after rename of aarch64_evpc_rev. Handle SVE permutes too, trying aarch64_evpc_rev_global and using aarch64_evpc_sve_tbl rather than aarch64_evpc_tbl. (aarch64_vectorize_vec_perm_const): Initialize vec_flags. (aarch64_sve_cmp_operand_p, aarch64_unspec_cond_code) (aarch64_gen_unspec_cond, aarch64_expand_sve_vec_cmp_int) (aarch64_emit_unspec_cond, aarch64_emit_unspec_cond_or) (aarch64_emit_inverted_unspec_cond, aarch64_expand_sve_vec_cmp_float) (aarch64_expand_sve_vcond): New functions. (aarch64_modes_tieable_p): Use aarch64_vector_data_mode_p instead of aarch64_vector_mode_p. (aarch64_dwarf_poly_indeterminate_value): New function. (aarch64_compute_pressure_classes): Likewise. (aarch64_can_change_mode_class): Likewise. (TARGET_GET_RAW_RESULT_MODE, TARGET_GET_RAW_ARG_MODE): Redefine. (TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): Likewise. (TARGET_VECTORIZE_GET_MASK_MODE): Likewise. (TARGET_DWARF_POLY_INDETERMINATE_VALUE): Likewise. (TARGET_COMPUTE_PRESSURE_CLASSES): Likewise. (TARGET_CAN_CHANGE_MODE_CLASS): Likewise. * config/aarch64/constraints.md (Upa, Upl, Uav, Uat, Usv, Usi, Utr) (Uty, Dm, vsa, vsc, vsd, vsi, vsn, vsl, vsm, vsA, vsM, vsN): New constraints. (Dn, Dl, Dr): Accept const as well as const_vector. (Dz): Likewise. Compare against CONST0_RTX. * config/aarch64/iterators.md: Refer to "Advanced SIMD" instead of "vector" where appropriate. (SVE_ALL, SVE_BH, SVE_BHS, SVE_BHSI, SVE_HSDI, SVE_HSF, SVE_SD) (SVE_SDI, SVE_I, SVE_F, PRED_ALL, PRED_BHS): New mode iterators. (UNSPEC_SEL, UNSPEC_ANDF, UNSPEC_IORF, UNSPEC_XORF, UNSPEC_COND_LT) (UNSPEC_COND_LE, UNSPEC_COND_EQ, UNSPEC_COND_NE, UNSPEC_COND_GE) (UNSPEC_COND_GT, UNSPEC_COND_LO, UNSPEC_COND_LS, UNSPEC_COND_HS) (UNSPEC_COND_HI, UNSPEC_COND_UO): New unspecs. (Vetype, VEL, Vel, VWIDE, Vwide, vw, vwcore, V_INT_EQUIV) (v_int_equiv): Extend to SVE modes. (Vesize, V128, v128, Vewtype, V_FP_EQUIV, v_fp_equiv, VPRED): New mode attributes. (LOGICAL_OR, SVE_INT_UNARY, SVE_FP_UNARY): New code iterators. (optab): Handle popcount, smin, smax, umin, umax, abs and sqrt. (logical_nn, lr, sve_int_op, sve_fp_op): New code attributs. (LOGICALF, OPTAB_PERMUTE, UNPACK, UNPACK_UNSIGNED, SVE_COND_INT_CMP) (SVE_COND_FP_CMP): New int iterators. (perm_hilo): Handle the new unpack unspecs. (optab, logicalf_op, su, perm_optab, cmp_op, imm_con): New int attributes. * config/aarch64/predicates.md (aarch64_sve_cnt_immediate) (aarch64_sve_addvl_addpl_immediate, aarch64_split_add_offset_immediate) (aarch64_pluslong_or_poly_operand, aarch64_nonmemory_operand) (aarch64_equality_operator, aarch64_constant_vector_operand) (aarch64_sve_ld1r_operand, aarch64_sve_ldr_operand): New predicates. (aarch64_sve_nonimmediate_operand): Likewise. (aarch64_sve_general_operand): Likewise. (aarch64_sve_dup_operand, aarch64_sve_arith_immediate): Likewise. (aarch64_sve_sub_arith_immediate, aarch64_sve_inc_dec_immediate) (aarch64_sve_logical_immediate, aarch64_sve_mul_immediate): Likewise. (aarch64_sve_dup_immediate, aarch64_sve_cmp_vsc_immediate): Likewise. (aarch64_sve_cmp_vsd_immediate, aarch64_sve_index_immediate): Likewise. (aarch64_sve_float_arith_immediate): Likewise. (aarch64_sve_float_arith_with_sub_immediate): Likewise. (aarch64_sve_float_mul_immediate, aarch64_sve_arith_operand): Likewise. (aarch64_sve_add_operand, aarch64_sve_logical_operand): Likewise. (aarch64_sve_lshift_operand, aarch64_sve_rshift_operand): Likewise. (aarch64_sve_mul_operand, aarch64_sve_cmp_vsc_operand): Likewise. (aarch64_sve_cmp_vsd_operand, aarch64_sve_index_operand): Likewise. (aarch64_sve_float_arith_operand): Likewise. (aarch64_sve_float_arith_with_sub_operand): Likewise. (aarch64_sve_float_mul_operand): Likewise. (aarch64_sve_vec_perm_operand): Likewise. (aarch64_pluslong_operand): Include aarch64_sve_addvl_addpl_immediate. (aarch64_mov_operand): Accept const_poly_int and const_vector. (aarch64_simd_lshift_imm, aarch64_simd_rshift_imm): Accept const as well as const_vector. (aarch64_simd_imm_zero, aarch64_simd_imm_minus_one): Move earlier in file. Use CONST0_RTX and CONSTM1_RTX. (aarch64_simd_or_scalar_imm_zero): Likewise. Add match_codes. (aarch64_simd_reg_or_zero): Accept const as well as const_vector. Use aarch64_simd_imm_zero. * config/aarch64/aarch64-sve.md: New file. * config/aarch64/aarch64.md: Include it. (VG_REGNUM, P0_REGNUM, P7_REGNUM, P15_REGNUM): New register numbers. (UNSPEC_REV, UNSPEC_LD1_SVE, UNSPEC_ST1_SVE, UNSPEC_MERGE_PTRUE) (UNSPEC_PTEST_PTRUE, UNSPEC_UNPACKSHI, UNSPEC_UNPACKUHI) (UNSPEC_UNPACKSLO, UNSPEC_UNPACKULO, UNSPEC_PACK) (UNSPEC_FLOAT_CONVERT, UNSPEC_WHILE_LO): New unspec constants. (sve): New attribute. (enabled): Disable instructions with the sve attribute unless TARGET_SVE. (movqi, movhi): Pass CONST_POLY_INT operaneds through aarch64_expand_mov_immediate. (*mov_aarch64, *movsi_aarch64, *movdi_aarch64): Handle CNT[BHSD] immediates. (movti): Split CONST_POLY_INT moves into two halves. (add3): Accept aarch64_pluslong_or_poly_operand. Split additions that need a temporary here if the destination is the stack pointer. (*add3_aarch64): Handle ADDVL and ADDPL immediates. (*add3_poly_1): New instruction. (set_clobber_cc): New expander. 2018-01-13 Richard Sandiford * simplify-rtx.c (simplify_immed_subreg): Add an inner_bytes parameter and use it instead of GET_MODE_SIZE (innermode). Use inner_bytes * BITS_PER_UNIT instead of GET_MODE_BITSIZE (innermode). Use CEIL (inner_bytes, GET_MODE_UNIT_SIZE (innermode)) instead of GET_MODE_NUNITS (innermode). Also add a first_elem parameter. Change innermode from fixed_mode_size to machine_mode. (simplify_subreg): Update call accordingly. Handle a constant-sized subreg of a variable-length CONST_VECTOR. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-ssa-address.c (mem_ref_valid_without_offset_p): New function. (add_offset_to_base): New function, split out from... (create_mem_ref): ...here. When handling a scale other than 1, check first whether the address is valid without the offset. Add it into the base if so, leaving the index and scale as-is. 2018-01-12 Jakub Jelinek PR c++/83778 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Call fold_for_warn before checking if arg2 is INTEGER_CST. 2018-01-12 Segher Boessenkool * config/rs6000/predicates.md (load_multiple_operation): Delete. (store_multiple_operation): Delete. * config/rs6000/rs6000-cpus.def (601): Remove MASK_STRING. * config/rs6000/rs6000-protos.h (rs6000_output_load_multiple): Delete. * config/rs6000/rs6000-string.c (expand_block_move): Delete everything guarded by TARGET_STRING. (rs6000_output_load_multiple): Delete. * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete OPTION_MASK_STRING / TARGET_STRING handling. (print_operand) <'N', 'O'>: Add comment that these are unused now. (const rs6000_opt_masks) <"string">: Change mask to 0. * config/rs6000/rs6000.h (TARGET_DEFAULT): Remove MASK_STRING. (MASK_STRING): Delete. * config/rs6000/rs6000.md (*mov_string): Delete TARGET_STRING parts. Simplify. (load_multiple): Delete. (*ldmsi8): Delete. (*ldmsi7): Delete. (*ldmsi6): Delete. (*ldmsi5): Delete. (*ldmsi4): Delete. (*ldmsi3): Delete. (store_multiple): Delete. (*stmsi8): Delete. (*stmsi7): Delete. (*stmsi6): Delete. (*stmsi5): Delete. (*stmsi4): Delete. (*stmsi3): Delete. (movmemsi_8reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_6reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_4reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_2reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_1reg): Delete. (corresponding unnamed define_insn): Delete. * config/rs6000/rs6000.opt (mno-string): New. (mstring): Replace by deprecation warning stub. * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mstring. 2018-01-12 Jakub Jelinek * regrename.c (regrename_do_replace): If replacing the same reg multiple times, try to reuse last created gen_raw_REG. PR debug/81155 * bb-reorder.c (pass_partition_blocks::gate): In lto don't partition main to workaround a bug in GDB. 2018-01-12 Tom de Vries PR target/83737 * config.gcc (nvptx*-*-*): Set use_gcc_stdint=wrap. 2018-01-12 Vladimir Makarov PR rtl-optimization/80481 * ira-color.c (get_cap_member): New function. (allocnos_conflict_by_live_ranges_p): Use it. (slot_coalesced_allocno_live_ranges_intersect_p): Add assert. (setup_slot_coalesced_allocno_live_ranges): Ditto. 2018-01-12 Uros Bizjak PR target/83628 * config/alpha/alpha.md (*saddsi_1): New insn_ans_split pattern. (*saddl_se_1): Ditto. (*ssubsi_1): Ditto. (*ssubl_se_1): Ditto. 2018-01-12 Richard Sandiford * tree-predcom.c (aff_combination_dr_offset): Use wi::to_poly_widest rather than wi::to_widest for DR_INITs. * tree-vect-data-refs.c (vect_find_same_alignment_drs): Use wi::to_poly_offset rather than wi::to_offset for DR_INIT. (vect_analyze_data_ref_accesses): Require both DR_INITs to be INTEGER_CSTs. (vect_analyze_group_access_1): Note that here. 2018-01-12 Richard Sandiford * tree-vectorizer.c (get_vec_alignment_for_array_type): Handle polynomial type sizes. 2018-01-12 Richard Sandiford * gimplify.c (gimple_add_tmp_var_fn): Allow variables to have a poly_uint64 size, rather than requiring an unsigned HOST_WIDE_INT size. (gimple_add_tmp_var): Likewise. 2018-01-12 Martin Liska * gimple.c (gimple_alloc_counts): Use uint64_t instead of int. (gimple_alloc_sizes): Likewise. (dump_gimple_statistics): Use PRIu64 in printf format. * gimple.h: Change uint64_t to int. 2018-01-12 Martin Liska * tree-core.h: Use uint64_t instead of int. * tree.c (tree_node_counts): Likewise. (tree_node_sizes): Likewise. (dump_tree_statistics): Use PRIu64 in printf format. 2018-01-12 Martin Liska * Makefile.in: As qsort_chk is implemented in vec.c, add vec.o to linkage of gencfn-macros. * tree.c (build_new_poly_int_cst): Add CXX_MEM_STAT_INFO as it's passing the info to record_node_allocation_statistics. (test_vector_cst_patterns): Add CXX_MEM_STAT_INFO to declaration and pass the info. * ggc-common.c (struct ggc_usage): Add operator== and use it in operator< and compare function. * mem-stats.h (struct mem_usage): Likewise. * vec.c (struct vec_usage): Remove operator< and compare function. Can be simply inherited. 2018-01-12 Martin Jambor PR target/81616 * params.def: New parameter PARAM_AVOID_FMA_MAX_BITS. * tree-ssa-math-opts.c: Include domwalk.h. (convert_mult_to_fma_1): New function. (fma_transformation_info): New type. (fma_deferring_state): Likewise. (cancel_fma_deferring): New function. (result_of_phi): Likewise. (last_fma_candidate_feeds_initial_phi): Likewise. (convert_mult_to_fma): Added deferring logic, split actual transformation to convert_mult_to_fma_1. (math_opts_dom_walker): New type. (math_opts_dom_walker::after_dom_children): New method, body moved here from pass_optimize_widening_mul::execute, added deferring logic bits. (pass_optimize_widening_mul::execute): Moved most of code to math_opts_dom_walker::after_dom_children. * config/i386/x86-tune.def (X86_TUNE_AVOID_128FMA_CHAINS): New. * config/i386/i386.c (ix86_option_override_internal): Added maybe_setting of PARAM_AVOID_FMA_MAX_BITS. 2018-01-12 Richard Biener PR debug/83157 * dwarf2out.c (gen_variable_die): Do not reset old_die for inline instance vars. 2018-01-12 Oleg Endo PR target/81819 * config/rx/rx.c (rx_is_restricted_memory_address): Handle SUBREG case. 2018-01-12 Richard Biener PR tree-optimization/80846 * target.def (split_reduction): New target hook. * targhooks.c (default_split_reduction): New function. * targhooks.h (default_split_reduction): Declare. * tree-vect-loop.c (vect_create_epilog_for_reduction): If the target requests first reduce vectors by combining low and high parts. * tree-vect-stmts.c (vect_gen_perm_mask_any): Adjust. (get_vectype_for_scalar_type_and_size): Export. * tree-vectorizer.h (get_vectype_for_scalar_type_and_size): Declare. * doc/tm.texi.in (TARGET_VECTORIZE_SPLIT_REDUCTION): Document. * doc/tm.texi: Regenerate. * config/i386/i386.c (ix86_split_reduction): Implement TARGET_VECTORIZE_SPLIT_REDUCTION. 2018-01-12 Eric Botcazou PR target/83368 * config/sparc/sparc.h (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM in PIC mode except for TARGET_VXWORKS_RTP. * config/sparc/sparc.c: Include cfgrtl.h. (TARGET_INIT_PIC_REG): Define. (TARGET_USE_PSEUDO_PIC_REG): Likewise. (sparc_pic_register_p): New predicate. (sparc_legitimate_address_p): Use it. (sparc_legitimize_pic_address): Likewise. (sparc_delegitimize_address): Likewise. (sparc_mode_dependent_address_p): Likewise. (gen_load_pcrel_sym): Remove 4th parameter. (load_got_register): Adjust call to above. Remove obsolete stuff. (sparc_expand_prologue): Do not call load_got_register here. (sparc_flat_expand_prologue): Likewise. (sparc_output_mi_thunk): Set the pic_offset_table_rtx object. (sparc_use_pseudo_pic_reg): New function. (sparc_init_pic_reg): Likewise. * config/sparc/sparc.md (vxworks_load_got): Set the GOT register. (builtin_setjmp_receiver): Enable only for TARGET_VXWORKS_RTP. 2018-01-12 Christophe Lyon * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes): Add item for branch_cost. 2018-01-12 Eric Botcazou PR rtl-optimization/83565 * rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do not extend the result to a larger mode for rotate operations. (num_sign_bit_copies1): Likewise. 2018-01-12 Rainer Orth PR target/40411 * config/sol2.h (STARTFILE_ARCH_SPEC): Don't use with -shared or -symbolic. Use values-Xc.o for -pedantic. Link with values-xpg4.o for C90, values-xpg6.o otherwise. 2018-01-12 Martin Liska PR ipa/83054 * ipa-devirt.c (final_warning_record::grow_type_warnings): New function. (possible_polymorphic_call_targets): Use it. (ipa_devirt): Likewise. 2018-01-12 Martin Liska * profile-count.h (enum profile_quality): Use 0 as invalid enum value of profile_quality. 2018-01-12 Chung-Ju Wu * doc/invoke.texi (NDS32 Options): Add -mext-perf, -mext-perf2 and -mext-string options. 2018-01-12 Richard Biener * lto-streamer-out.c (DFS::DFS_write_tree_body): Process DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P. * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers): Likewise. * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise. 2018-01-11 Michael Meissner * configure.ac (--with-long-double-format): Add support for the configuration option to change the default long double format on PowerPC systems. * config.gcc (powerpc*-linux*-*): Likewise. * configure: Regenerate. * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If long double is IEEE, define __KC__ and __KF__ to allow floatn.h to be used without modification. 2018-01-11 Bill Schmidt * config/rs6000/rs6000-builtin.def (BU_P7_MISC_X): New #define. (SPEC_BARRIER): New instantiation of BU_P7_MISC_X. * config/rs6000/rs6000.c (rs6000_expand_builtin): Handle MISC_BUILTIN_SPEC_BARRIER. (rs6000_init_builtins): Likewise. * config/rs6000/rs6000.md (UNSPECV_SPEC_BARRIER): New UNSPECV enum value. (speculation_barrier): New define_insn. * doc/extend.texi: Document __builtin_speculation_barrier. 2018-01-11 Jakub Jelinek PR target/83203 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): If one_var is 0, for V{8,16}S[IF] and V[48]D[IF]mode use gen_vec_set_0. * config/i386/sse.md (VI8_AVX_AVX512F, VI4F_256_512): New mode iterators. (ssescalarmodesuffix): Add 512-bit vectors. Use "d" or "q" for integral modes instead of "ss" and "sd". (vec_set_0): New define_insns for 256-bit and 512-bit vectors with 32-bit and 64-bit elements. (vecdupssescalarmodesuffix): New mode attribute. (vec_dup): Use it. 2018-01-11 H.J. Lu PR target/83330 * config/i386/i386.c (ix86_compute_frame_layout): Align stack frame if argument is passed on stack. 2018-01-11 Jakub Jelinek PR target/82682 * ree.c (combine_reaching_defs): Optimize also reg2=exp; reg1=reg2; reg2=any_extend(reg1); into reg2=any_extend(exp); reg1=reg2;, formatting fix. 2018-01-11 Jan Hubicka PR middle-end/83189 * gimple-ssa-isolate-paths.c (isolate_path): Fix profile update. 2018-01-11 Jan Hubicka PR middle-end/83718 * tree-inline.c (copy_cfg_body): Adjust num&den for scaling after they are computed. 2018-01-11 Bin Cheng PR tree-optimization/83695 * gimple-loop-linterchange.cc (tree_loop_interchange::interchange_loops): Call scev_reset_htab to reset cached scev information after interchange. (pass_linterchange::execute): Remove call to scev_reset_htab. 2018-01-11 Kyrylo Tkachov * config/arm/arm_neon.h (vfmlal_lane_low_u32, vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32, vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32, vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32, vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32, vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32): Define. * config/arm/arm_neon_builtins.def (vfmal_lane_low, vfmal_lane_lowv4hf, vfmal_lane_lowv8hf, vfmal_lane_high, vfmal_lane_highv4hf, vfmal_lane_highv8hf, vfmsl_lane_low, vfmsl_lane_lowv4hf, vfmsl_lane_lowv8hf, vfmsl_lane_high, vfmsl_lane_highv4hf, vfmsl_lane_highv8hf): New sets of builtins. * config/arm/iterators.md (VFMLSEL2, vfmlsel2): New mode attributes. (V_lane_reg): Likewise. * config/arm/neon.md (neon_vfml_lane_): New define_expand. (neon_vfml_lane_): Likewise. (vfmal_lane_low_intrinsic, vfmal_lane_low_intrinsic, vfmal_lane_high_intrinsic, vfmal_lane_high_intrinsic, vfmsl_lane_low_intrinsic, vfmsl_lane_low_intrinsic, vfmsl_lane_high_intrinsic, vfmsl_lane_high_intrinsic): New define_insns. 2018-01-11 Kyrylo Tkachov * config/arm/arm-cpus.in (fp16fml): New feature. (ALL_SIMD): Add fp16fml. (armv8.2-a): Add fp16fml as an option. (armv8.3-a): Likewise. (armv8.4-a): Add fp16fml as part of fp16. * config/arm/arm.h (TARGET_FP16FML): Define. * config/arm/arm-c.c (arm_cpu_builtins): Define __ARM_FEATURE_FP16_FML when appropriate. * config/arm/arm-modes.def (V2HF): Define. * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32, vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32, vfmlalq_high_u32, vfmlslq_high_u32): Define. * config/arm/arm_neon_builtins.def (vfmal_low, vfmal_high, vfmsl_low, vfmsl_high): New set of builtins. * config/arm/iterators.md (PLUSMINUS): New code iterator. (vfml_op): New code attribute. (VFMLHALVES): New int iterator. (VFML, VFMLSEL): New mode attributes. (V_reg): Define mapping for V2HF. (V_hi, V_lo): New mode attributes. (VF_constraint): Likewise. (vfml_half, vfml_half_selector): New int attributes. * config/arm/neon.md (neon_vfml_): New define_expand. (vfmal_low_intrinsic, vfmsl_high_intrinsic, vfmal_high_intrinsic, vfmsl_low_intrinsic): New define_insn. * config/arm/t-arm-elf (v8_fps): Add fp16fml. * config/arm/t-multilib (v8_2_a_simd_variants): Add fp16fml. * config/arm/unspecs.md (UNSPEC_VFML_LO, UNSPEC_VFML_HI): New unspecs. * doc/invoke.texi (ARM Options): Document fp16fml. Update armv8.4-a documentation. * doc/sourcebuild.texi (arm_fp16fml_neon_ok, arm_fp16fml_neon): Document new effective target and option set. 2018-01-11 Kyrylo Tkachov * config/arm/arm-cpus.in (armv8_4): New feature. (ARMv8_4a): New fgroup. (armv8.4-a): New arch. * config/arm/arm-tables.opt: Regenerate. * config/arm/t-aprofile: Add matching rules for -march=armv8.4-a. * config/arm/t-arm-elf (all_v8_archs): Add armv8.4-a. * config/arm/t-multilib (v8_4_a_simd_variants): New variable. Add matching rules for -march=armv8.4-a and extensions. * doc/invoke.texi (ARM Options): Document -march=armv8.4-a. 2018-01-11 Oleg Endo PR target/81821 * config/rx/rx.md (BW): New mode attribute. (sync_lock_test_and_setsi): Add mode suffix to insn output. 2018-01-11 Richard Biener PR tree-optimization/83435 * graphite.c (canonicalize_loop_form): Ignore fake loop exit edges. * graphite-scop-detection.c (scop_detection::get_sese): Likewise. * tree-vrp.c (add_assert_info): Drop TREE_OVERFLOW if they appear. 2018-01-11 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64.c (aarch64_address_info): Add a const_offset field. (aarch64_classify_address): Initialize it. Track polynomial offsets. (aarch64_print_address_internal): Use it to check for a zero offset. 2018-01-11 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-modes.def (NUM_POLY_INT_COEFFS): Set to 2. * config/aarch64/aarch64-protos.h (aarch64_initial_elimination_offset): Return a poly_int64 rather than a HOST_WIDE_INT. (aarch64_offset_7bit_signed_scaled_p): Take the offset as a poly_int64 rather than a HOST_WIDE_INT. * config/aarch64/aarch64.h (aarch64_frame): Protect with HAVE_POLY_INT_H rather than HOST_WIDE_INT. Change locals_offset, hard_fp_offset, frame_size, initial_adjust, callee_offset and final_offset from HOST_WIDE_INT to poly_int64. * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use to_constant when getting the number of units in an Advanced SIMD mode. (aarch64_builtin_vectorized_function): Check for a constant number of units. * config/aarch64/aarch64-simd.md (mov): Handle polynomial GET_MODE_SIZE. (aarch64_ld_lane): Use the nunits attribute instead of GET_MODE_NUNITS. * config/aarch64/aarch64.c (aarch64_hard_regno_nregs) (aarch64_class_max_nregs): Use the constant_lowest_bound of the GET_MODE_SIZE for fixed-size registers. (aarch64_const_vec_all_same_in_range_p): Use const_vec_duplicate_p. (aarch64_hard_regno_call_part_clobbered, aarch64_classify_index) (aarch64_mode_valid_for_sched_fusion_p, aarch64_classify_address) (aarch64_legitimize_address_displacement, aarch64_secondary_reload) (aarch64_print_operand, aarch64_print_address_internal) (aarch64_address_cost, aarch64_rtx_costs, aarch64_register_move_cost) (aarch64_short_vector_p, aapcs_vfp_sub_candidate) (aarch64_simd_attr_length_rglist, aarch64_operands_ok_for_ldpstp): Handle polynomial GET_MODE_SIZE. (aarch64_hard_regno_caller_save_mode): Likewise. Return modes wider than SImode without modification. (tls_symbolic_operand_type): Use strip_offset instead of split_const. (aarch64_pass_by_reference, aarch64_layout_arg, aarch64_pad_reg_upward) (aarch64_gimplify_va_arg_expr): Assert that we don't yet handle passing and returning SVE modes. (aarch64_function_value, aarch64_layout_arg): Use gen_int_mode rather than GEN_INT. (aarch64_emit_probe_stack_range): Take the size as a poly_int64 rather than a HOST_WIDE_INT, but call sorry if it isn't constant. (aarch64_allocate_and_probe_stack_space): Likewise. (aarch64_layout_frame): Cope with polynomial offsets. (aarch64_save_callee_saves, aarch64_restore_callee_saves): Take the start_offset as a poly_int64 rather than a HOST_WIDE_INT. Track polynomial offsets. (offset_9bit_signed_unscaled_p, offset_12bit_unsigned_scaled_p) (aarch64_offset_7bit_signed_scaled_p): Take the offset as a poly_int64 rather than a HOST_WIDE_INT. (aarch64_get_separate_components, aarch64_process_components) (aarch64_expand_prologue, aarch64_expand_epilogue) (aarch64_use_return_insn_p): Handle polynomial frame offsets. (aarch64_anchor_offset): New function, split out from... (aarch64_legitimize_address): ...here. (aarch64_builtin_vectorization_cost): Handle polynomial TYPE_VECTOR_SUBPARTS. (aarch64_simd_check_vect_par_cnst_half): Handle polynomial GET_MODE_NUNITS. (aarch64_simd_make_constant, aarch64_expand_vector_init): Get the number of elements from the PARALLEL rather than the mode. (aarch64_shift_truncation_mask): Use GET_MODE_UNIT_BITSIZE rather than GET_MODE_BITSIZE. (aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_ext) (aarch64_evpc_rev, aarch64_evpc_dup, aarch64_evpc_zip) (aarch64_expand_vec_perm_const_1): Handle polynomial d->perm.length () and d->perm elements. (aarch64_evpc_tbl): Likewise. Use nelt rather than GET_MODE_NUNITS. Apply to_constant to d->perm elements. (aarch64_simd_valid_immediate, aarch64_vec_fpconst_pow_of_2): Handle polynomial CONST_VECTOR_NUNITS. (aarch64_move_pointer): Take amount as a poly_int64 rather than an int. (aarch64_progress_pointer): Avoid temporary variable. * config/aarch64/aarch64.md (aarch64_): Use the mode attribute instead of GET_MODE. 2018-01-11 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64.c (aarch64_force_temporary): Assert that x exists before using it. (aarch64_add_constant_internal): Rename to... (aarch64_add_offset_1): ...this. Replace regnum with separate src and dest rtxes. Handle the case in which they're different, including when the offset is zero. Replace scratchreg with an rtx. Use 2 additions if there is no spare register into which we can move a 16-bit constant. (aarch64_add_constant): Delete. (aarch64_add_offset): Replace reg with separate src and dest rtxes. Take a poly_int64 offset instead of a HOST_WIDE_INT. Use aarch64_add_offset_1. (aarch64_add_sp, aarch64_sub_sp): Take the scratch register as an rtx rather than an int. Take the delta as a poly_int64 rather than a HOST_WIDE_INT. Use aarch64_add_offset. (aarch64_expand_mov_immediate): Update uses of aarch64_add_offset. (aarch64_expand_prologue): Update calls to aarch64_sub_sp, aarch64_allocate_and_probe_stack_space and aarch64_add_offset. (aarch64_expand_epilogue): Update calls to aarch64_add_offset and aarch64_add_sp. (aarch64_output_mi_thunk): Use aarch64_add_offset rather than aarch64_add_constant. 2018-01-11 Richard Sandiford * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int): Use scalar_float_mode. 2018-01-11 Richard Sandiford * config/aarch64/aarch64-simd.md (aarch64_fmll_low): Avoid GET_MODE_NUNITS. (aarch64_fmll_high): Likewise. (aarch64_fmll_lane_lowv2sf): Likewise. (aarch64_fmll_lane_highv2sf): Likewise. (aarch64_fmllq_laneq_lowv4sf): Likewise. (aarch64_fmllq_laneq_highv4sf): Likewise. (aarch64_fmll_laneq_lowv2sf): Likewise. (aarch64_fmll_laneq_highv2sf): Likewise. (aarch64_fmllq_lane_lowv4sf): Likewise. (aarch64_fmllq_lane_highv4sf): Likewise. 2018-01-11 Prathamesh Kulkarni PR target/83514 * config/arm/arm.c (arm_declare_function_name): Set arch_to_print if targ_options->x_arm_arch_string is non NULL. 2018-01-11 Tamar Christina * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_4): Add AARCH64_FL_DOTPROD. 2018-01-11 Sudakshina Das PR target/82096 * expmed.c (emit_store_flag_force): Swap if const op0 and change VOIDmode to mode of op0. 2018-01-11 Richard Sandiford PR rtl-optimization/83761 * caller-save.c (replace_reg_with_saved_mem): Pass bits rather than bytes to mode_for_size. 2018-01-10 Jan Hubicka PR middle-end/83189 * gfortran.fortran-torture/compile/pr83189.f90: New testcase. * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Handle zero profile. 2018-01-10 Jan Hubicka PR middle-end/83575 * cfgrtl.c (rtl_verify_edges): Only verify fixability of partition when in layout mode. (cfg_layout_finalize): Do not verify cfg before we are out of layout. * cfgcleanup.c (try_optimize_cfg): Only verify flow info when doing partition fixup. 2018-01-10 Michael Collison * config/aarch64/aarch64-modes.def (V2HF): New VECTOR_MODE. * config/aarch64/aarch64-option-extension.def: Add AARCH64_OPT_EXTENSION of 'fp16fml'. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_FP16_FML): Define if TARGET_F16FML is true. * config/aarch64/predicates.md (aarch64_lane_imm3): New predicate. * config/aarch64/constraints.md (Ui7): New constraint. * config/aarch64/iterators.md (VFMLA_W): New mode iterator. (VFMLA_SEL_W): Ditto. (f16quad): Ditto. (f16mac1): Ditto. (VFMLA16_LOW): New int iterator. (VFMLA16_HIGH): Ditto. (UNSPEC_FMLAL): New unspec. (UNSPEC_FMLSL): Ditto. (UNSPEC_FMLAL2): Ditto. (UNSPEC_FMLSL2): Ditto. (f16mac): New code attribute. * config/aarch64/aarch64-simd-builtins.def (aarch64_fmlal_lowv2sf): Ditto. (aarch64_fmlsl_lowv2sf): Ditto. (aarch64_fmlalq_lowv4sf): Ditto. (aarch64_fmlslq_lowv4sf): Ditto. (aarch64_fmlal_highv2sf): Ditto. (aarch64_fmlsl_highv2sf): Ditto. (aarch64_fmlalq_highv4sf): Ditto. (aarch64_fmlslq_highv4sf): Ditto. (aarch64_fmlal_lane_lowv2sf): Ditto. (aarch64_fmlsl_lane_lowv2sf): Ditto. (aarch64_fmlal_laneq_lowv2sf): Ditto. (aarch64_fmlsl_laneq_lowv2sf): Ditto. (aarch64_fmlalq_lane_lowv4sf): Ditto. (aarch64_fmlsl_lane_lowv4sf): Ditto. (aarch64_fmlalq_laneq_lowv4sf): Ditto. (aarch64_fmlsl_laneq_lowv4sf): Ditto. (aarch64_fmlal_lane_highv2sf): Ditto. (aarch64_fmlsl_lane_highv2sf): Ditto. (aarch64_fmlal_laneq_highv2sf): Ditto. (aarch64_fmlsl_laneq_highv2sf): Ditto. (aarch64_fmlalq_lane_highv4sf): Ditto. (aarch64_fmlsl_lane_highv4sf): Ditto. (aarch64_fmlalq_laneq_highv4sf): Ditto. (aarch64_fmlsl_laneq_highv4sf): Ditto. * config/aarch64/aarch64-simd.md: (aarch64_fmll_low): New pattern. (aarch64_fmll_high): Ditto. (aarch64_simd_fmll_low): Ditto. (aarch64_simd_fmll_high): Ditto. (aarch64_fmll_lane_lowv2sf): Ditto. (aarch64_fmll_lane_highv2sf): Ditto. (aarch64_simd_fmll_lane_lowv2sf): Ditto. (aarch64_simd_fmll_lane_highv2sf): Ditto. (aarch64_fmllq_laneq_lowv4sf): Ditto. (aarch64_fmllq_laneq_highv4sf): Ditto. (aarch64_simd_fmllq_laneq_lowv4sf): Ditto. (aarch64_simd_fmllq_laneq_highv4sf): Ditto. (aarch64_fmll_laneq_lowv2sf): Ditto. (aarch64_fmll_laneq_highv2sf): Ditto. (aarch64_simd_fmll_laneq_lowv2sf): Ditto. (aarch64_simd_fmll_laneq_highv2sf): Ditto. (aarch64_fmllq_lane_lowv4sf): Ditto. (aarch64_fmllq_lane_highv4sf): Ditto. (aarch64_simd_fmllq_lane_lowv4sf): Ditto. (aarch64_simd_fmllq_lane_highv4sf): Ditto. * config/aarch64/arm_neon.h (vfmlal_low_u32): New intrinsic. (vfmlsl_low_u32): Ditto. (vfmlalq_low_u32): Ditto. (vfmlslq_low_u32): Ditto. (vfmlal_high_u32): Ditto. (vfmlsl_high_u32): Ditto. (vfmlalq_high_u32): Ditto. (vfmlslq_high_u32): Ditto. (vfmlal_lane_low_u32): Ditto. (vfmlsl_lane_low_u32): Ditto. (vfmlal_laneq_low_u32): Ditto. (vfmlsl_laneq_low_u32): Ditto. (vfmlalq_lane_low_u32): Ditto. (vfmlslq_lane_low_u32): Ditto. (vfmlalq_laneq_low_u32): Ditto. (vfmlslq_laneq_low_u32): Ditto. (vfmlal_lane_high_u32): Ditto. (vfmlsl_lane_high_u32): Ditto. (vfmlal_laneq_high_u32): Ditto. (vfmlsl_laneq_high_u32): Ditto. (vfmlalq_lane_high_u32): Ditto. (vfmlslq_lane_high_u32): Ditto. (vfmlalq_laneq_high_u32): Ditto. (vfmlslq_laneq_high_u32): Ditto. * config/aarch64/aarch64.h (AARCH64_FL_F16SML): New flag. (AARCH64_FL_FOR_ARCH8_4): New. (AARCH64_ISA_F16FML): New ISA flag. (TARGET_F16FML): New feature flag for fp16fml. (doc/invoke.texi): Document new fp16fml option. 2018-01-10 Michael Collison * config/aarch64/aarch64-builtins.c: (aarch64_types_ternopu_imm_qualifiers, TYPES_TERNOPUI): New. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_SHA3): Define if TARGET_SHA3 is true. * config/aarch64/aarch64.h (AARCH64_FL_SHA3): New flags. (AARCH64_ISA_SHA3): New ISA flag. (TARGET_SHA3): New feature flag for sha3. * config/aarch64/iterators.md (sha512_op): New int attribute. (CRYPTO_SHA512): New int iterator. (UNSPEC_SHA512H): New unspec. (UNSPEC_SHA512H2): Ditto. (UNSPEC_SHA512SU0): Ditto. (UNSPEC_SHA512SU1): Ditto. * config/aarch64/aarch64-simd-builtins.def (aarch64_crypto_sha512hqv2di): New builtin. (aarch64_crypto_sha512h2qv2di): Ditto. (aarch64_crypto_sha512su0qv2di): Ditto. (aarch64_crypto_sha512su1qv2di): Ditto. (aarch64_eor3qv8hi): Ditto. (aarch64_rax1qv2di): Ditto. (aarch64_xarqv2di): Ditto. (aarch64_bcaxqv8hi): Ditto. * config/aarch64/aarch64-simd.md: (aarch64_crypto_sha512hqv2di): New pattern. (aarch64_crypto_sha512su0qv2di): Ditto. (aarch64_crypto_sha512su1qv2di): Ditto. (aarch64_eor3qv8hi): Ditto. (aarch64_rax1qv2di): Ditto. (aarch64_xarqv2di): Ditto. (aarch64_bcaxqv8hi): Ditto. * config/aarch64/arm_neon.h (vsha512hq_u64): New intrinsic. (vsha512h2q_u64): Ditto. (vsha512su0q_u64): Ditto. (vsha512su1q_u64): Ditto. (veor3q_u16): Ditto. (vrax1q_u64): Ditto. (vxarq_u64): Ditto. (vbcaxq_u16): Ditto. * config/arm/types.md (crypto_sha512): New type attribute. (crypto_sha3): Ditto. (doc/invoke.texi): Document new sha3 option. 2018-01-10 Michael Collison * config/aarch64/aarch64-builtins.c: (aarch64_types_quadopu_imm_qualifiers, TYPES_QUADOPUI): New. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_SM3): Define if TARGET_SM4 is true. (__ARM_FEATURE_SM4): Define if TARGET_SM4 is true. * config/aarch64/aarch64.h (AARCH64_FL_SM4): New flags. (AARCH64_ISA_SM4): New ISA flag. (TARGET_SM4): New feature flag for sm4. * config/aarch64/aarch64-simd-builtins.def (aarch64_sm3ss1qv4si): Ditto. (aarch64_sm3tt1aq4si): Ditto. (aarch64_sm3tt1bq4si): Ditto. (aarch64_sm3tt2aq4si): Ditto. (aarch64_sm3tt2bq4si): Ditto. (aarch64_sm3partw1qv4si): Ditto. (aarch64_sm3partw2qv4si): Ditto. (aarch64_sm4eqv4si): Ditto. (aarch64_sm4ekeyqv4si): Ditto. * config/aarch64/aarch64-simd.md: (aarch64_sm3ss1qv4si): Ditto. (aarch64_sm3ttqv4si): Ditto. (aarch64_sm3partwqv4si): Ditto. (aarch64_sm4eqv4si): Ditto. (aarch64_sm4ekeyqv4si): Ditto. * config/aarch64/iterators.md (sm3tt_op): New int iterator. (sm3part_op): Ditto. (CRYPTO_SM3TT): Ditto. (CRYPTO_SM3PART): Ditto. (UNSPEC_SM3SS1): New unspec. (UNSPEC_SM3TT1A): Ditto. (UNSPEC_SM3TT1B): Ditto. (UNSPEC_SM3TT2A): Ditto. (UNSPEC_SM3TT2B): Ditto. (UNSPEC_SM3PARTW1): Ditto. (UNSPEC_SM3PARTW2): Ditto. (UNSPEC_SM4E): Ditto. (UNSPEC_SM4EKEY): Ditto. * config/aarch64/constraints.md (Ui2): New constraint. * config/aarch64/predicates.md (aarch64_imm2): New predicate. * config/arm/types.md (crypto_sm3): New type attribute. (crypto_sm4): Ditto. * config/aarch64/arm_neon.h (vsm3ss1q_u32): New intrinsic. (vsm3tt1aq_u32): Ditto. (vsm3tt1bq_u32): Ditto. (vsm3tt2aq_u32): Ditto. (vsm3tt2bq_u32): Ditto. (vsm3partw1q_u32): Ditto. (vsm3partw2q_u32): Ditto. (vsm4eq_u32): Ditto. (vsm4ekeyq_u32): Ditto. (doc/invoke.texi): Document new sm4 option. 2018-01-10 Michael Collison * config/aarch64/aarch64-arches.def (armv8.4-a): New architecture. * config/aarch64/aarch64.h (AARCH64_ISA_V8_4): New ISA flag. (AARCH64_FL_FOR_ARCH8_4): New. (AARCH64_FL_V8_4): New flag. (doc/invoke.texi): Document new armv8.4-a option. 2018-01-10 Michael Collison * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_AES): Define if TARGET_AES is true. (__ARM_FEATURE_SHA2): Define if TARGET_SHA2 is true. * config/aarch64/aarch64-option-extension.def: Add AARCH64_OPT_EXTENSION of 'sha2'. (aes): Add AARCH64_OPT_EXTENSION of 'aes'. (crypto): Disable sha2 and aes if crypto disabled. (crypto): Enable aes and sha2 if enabled. (simd): Disable sha2 and aes if simd disabled. * config/aarch64/aarch64.h (AARCH64_FL_AES, AARCH64_FL_SHA2): New flags. (AARCH64_ISA_AES, AARCH64_ISA_SHA2): New ISA flags. (TARGET_SHA2): New feature flag for sha2. (TARGET_AES): New feature flag for aes. * config/aarch64/aarch64-simd.md: (aarch64_crypto_aesv16qi): Make pattern conditional on TARGET_AES. (aarch64_crypto_aesv16qi): Ditto. (aarch64_crypto_sha1hsi): Make pattern conditional on TARGET_SHA2. (aarch64_crypto_sha1hv4si): Ditto. (aarch64_be_crypto_sha1hv4si): Ditto. (aarch64_crypto_sha1su1v4si): Ditto. (aarch64_crypto_sha1v4si): Ditto. (aarch64_crypto_sha1su0v4si): Ditto. (aarch64_crypto_sha256hv4si): Ditto. (aarch64_crypto_sha256su0v4si): Ditto. (aarch64_crypto_sha256su1v4si): Ditto. (doc/invoke.texi): Document new aes and sha2 options. 2018-01-10 Martin Sebor PR tree-optimization/83781 * gimple-fold.c (get_range_strlen): Avoid treating arrays of pointers as string arrays. 2018-01-11 Martin Sebor Prathamesh Kulkarni PR tree-optimization/83501 PR tree-optimization/81703 * tree-ssa-strlen.c (get_string_cst): Rename... (get_string_len): ...to this. Handle global constants. (handle_char_store): Adjust. 2018-01-10 Kito Cheng Jim Wilson * config/riscv/riscv-protos.h (riscv_output_return): New. * config/riscv/riscv.c (struct machine_function): New naked_p field. (riscv_attribute_table, riscv_output_return), (riscv_handle_fndecl_attribute, riscv_naked_function_p), (riscv_allocate_stack_slots_for_args, riscv_warn_func_return): New. (riscv_compute_frame_info): Only compute frame->mask if not a naked function. (riscv_expand_prologue): Add early return for naked function. (riscv_expand_epilogue): Likewise. (riscv_function_ok_for_sibcall): Return false for naked function. (riscv_set_current_function): New. (TARGET_SET_CURRENT_FUNCTION, TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS), (TARGET_ATTRIBUTE_TABLE, TARGET_WARN_FUNC_RETURN): New. * config/riscv/riscv.md (simple_return): Call riscv_output_return. * doc/extend.texi (RISC-V Function Attributes): New. 2018-01-10 Michael Meissner * config/rs6000/rs6000.c (is_complex_IBM_long_double): Explicitly check for 128-bit long double before checking TCmode. * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Explicitly check for 128-bit long doubles before checking TFmode or TCmode. (FLOAT128_IBM_P): Likewise. 2018-01-10 Martin Sebor PR tree-optimization/83671 * builtins.c (c_strlen): Unconditionally return zero for the empty string. Use -Warray-bounds for warnings. * gimple-fold.c (get_range_strlen): Handle non-constant lengths for non-constant array indices with COMPONENT_REF, arrays of arrays, and pointers to arrays. (gimple_fold_builtin_strlen): Determine and set length range for non-constant character arrays. 2018-01-10 Aldy Hernandez PR middle-end/81897 * tree-ssa-uninit.c (convert_control_dep_chain_into_preds): Skip empty blocks. 2018-01-10 Eric Botcazou * dwarf2out.c (dwarf2out_var_location): Do not pass NULL to fprintf. 2018-01-10 Peter Bergner PR target/83399 * config/rs6000/rs6000.c (print_operand) <'y'>: Use VECTOR_MEM_ALTIVEC_OR_VSX_P. * config/rs6000/vsx.md (*vsx_le_perm_load_ for VSX_D): Use indexed_or_indirect_operand predicate. (*vsx_le_perm_load_ for VSX_W): Likewise. (*vsx_le_perm_load_v8hi): Likewise. (*vsx_le_perm_load_v16qi): Likewise. (*vsx_le_perm_store_ for VSX_D): Likewise. (*vsx_le_perm_store_ for VSX_W): Likewise. (*vsx_le_perm_store_v8hi): Likewise. (*vsx_le_perm_store_v16qi): Likewise. (eight unnamed splitters): Likewise. 2018-01-10 Peter Bergner * config/rs6000/x86intrin.h: Change #warning to #error. Update message. * config/rs6000/emmintrin.h: Likewise. * config/rs6000/mmintrin.h: Likewise. * config/rs6000/xmmintrin.h: Likewise. 2018-01-10 David Malcolm PR c++/43486 * tree-core.h: Document EXPR_LOCATION_WRAPPER_P's usage of "public_flag". * tree.c (tree_nop_conversion): Return true for location wrapper nodes. (maybe_wrap_with_location): New function. (selftest::check_strip_nops): New function. (selftest::test_location_wrappers): New function. (selftest::tree_c_tests): Call it. * tree.h (STRIP_ANY_LOCATION_WRAPPER): New macro. (maybe_wrap_with_location): New decl. (EXPR_LOCATION_WRAPPER_P): New macro. (location_wrapper_p): New inline function. (tree_strip_any_location_wrapper): New inline function. 2018-01-10 H.J. Lu PR target/83735 * config/i386/i386.c (ix86_compute_frame_layout): Always adjust stack_realign_offset for the largest alignment of stack slot actually used. (ix86_find_max_used_stack_alignment): New function. (ix86_finalize_stack_frame_flags): Use it. Set max_used_stack_alignment if we don't realign stack. * config/i386/i386.h (machine_function): Add max_used_stack_alignment. 2018-01-10 Christophe Lyon * config/arm/arm.opt (-mbranch-cost): New option. * config/arm/arm.h (BRANCH_COST): Take arm_branch_cost into account. 2018-01-10 Segher Boessenkool PR target/83629 * config/rs6000/rs6000.md (load_toc_v4_PIC_2, load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): Wrap const term in CONST RTL. 2018-01-10 Richard Biener PR debug/83765 * dwarf2out.c (gen_subprogram_die): Hoist old_die && declaration early out so it also covers the case where we have a non-NULL origin. 2018-01-10 Richard Sandiford PR tree-optimization/83753 * tree-vect-stmts.c (get_group_load_store_type): Use VMAT_CONTIGUOUS for non-strided grouped accesses if the number of elements is 1. 2018-01-10 Jan Hubicka PR target/81616 * i386.c (ix86_vectorize_builtin_gather): Check TARGET_USE_GATHER. * i386.h (TARGET_USE_GATHER): Define. * x86-tune.def (X86_TUNE_USE_GATHER): New. 2018-01-10 Martin Liska PR bootstrap/82831 * basic-block.h (CLEANUP_NO_PARTITIONING): New define. * bb-reorder.c (pass_reorder_blocks::execute): Do not clean up partitioning. * cfgcleanup.c (try_optimize_cfg): Fix up partitioning if CLEANUP_NO_PARTITIONING is not set. 2018-01-10 Richard Sandiford * doc/rtl.texi: Remove documentation of (const ...) wrappers for vectors, as a partial revert of r254296. * rtl.h (const_vec_p): Delete. (const_vec_duplicate_p): Don't test for vector CONSTs. (unwrap_const_vec_duplicate, const_vec_series_p): Likewise. * expmed.c (make_tree): Likewise. Revert: * common.md (E, F): Use CONSTANT_P instead of checking for CONST_VECTOR. * emit-rtl.c (gen_lowpart_common): Use const_vec_p instead of checking for CONST_VECTOR. 2018-01-09 Jan Hubicka PR middle-end/83575 * predict.c (force_edge_cold): Handle in more sane way edges with no prediction. 2018-01-09 Carl Love * config/rs6002/altivec.md (p8_vmrgow): Add support for V2DI, V2DF, V4SI, V4SF types. (p8_vmrgew): Add support for V2DI, V2DF, V4SF types. * config/rs6000/rs6000-builtin.def: Add definitions for FLOAT2_V2DF, VMRGEW_V2DI, VMRGEW_V2DF, VMRGEW_V4SF, VMRGOW_V4SI, VMRGOW_V4SF, VMRGOW_V2DI, VMRGOW_V2DF. Remove definition for VMRGOW. * config/rs6000/rs6000-c.c (VSX_BUILTIN_VEC_FLOAT2, P8V_BUILTIN_VEC_VMRGEW, P8V_BUILTIN_VEC_VMRGOW): Add definitions. * config/rs6000/rs6000-protos.h: Add extern defition for rs6000_generate_float2_double_code. * config/rs6000/rs6000.c (rs6000_generate_float2_double_code): Add function. * config/rs6000/vsx.md (vsx_xvcdpsp): Add define_insn. (float2_v2df): Add define_expand. 2018-01-09 Uros Bizjak PR target/83628 * combine.c (force_int_to_mode) : Use mode instead of op_mode in the force_to_mode call. 2018-01-09 Richard Sandiford * config/aarch64/aarch64.c (aarch64_evpc_trn): Use d.perm.series_p instead of checking each element individually. (aarch64_evpc_uzp): Likewise. (aarch64_evpc_zip): Likewise. (aarch64_evpc_ext): Likewise. (aarch64_evpc_rev): Likewise. (aarch64_evpc_dup): Test the encoding for a single duplicated element, instead of checking each element individually. Return true without generating rtl if (aarch64_vectorize_vec_perm_const): Use all_from_input_p to test whether all selected elements come from the same input, instead of checking each element individually. Remove calls to gen_rtx_REG, start_sequence and end_sequence and instead assert that no rtl is generated. 2018-01-09 Richard Sandiford * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Fix order of HIGH and CONST checks. 2018-01-09 Richard Sandiford * tree-vect-stmts.c (permute_vec_elements): Create a fresh variable if the destination isn't an SSA_NAME. 2018-01-09 Richard Biener PR tree-optimization/83668 * graphite.c (canonicalize_loop_closed_ssa): Add edge argument, move prologue... (canonicalize_loop_form): ... here, renamed from ... (canonicalize_loop_closed_ssa_form): ... this and amended to swap successor edges for loop exit blocks to make us use the RPO order we need for initial schedule generation. 2018-01-09 Joseph Myers PR tree-optimization/64811 * match.pd: When optimizing comparisons with Inf, avoid introducing or losing exceptions from comparisons with NaN. 2018-01-09 Martin Liska PR sanitizer/82517 * asan.c (shadow_mem_size): Add gcc_assert. 2018-01-09 Georg-Johann Lay Don't save registers in main(). PR target/83738 * doc/invoke.texi (AVR Options) [-mmain-is-OS_task]: Document it. * config/avr/avr.opt (-mmain-is-OS_task): New target option. * config/avr/avr.c (avr_set_current_function): Don't error if naked, OS_task or OS_main are specified at the same time. (avr_function_ok_for_sibcall): Don't disable sibcalls for OS_task, OS_main. (avr_insert_attributes) [-mmain-is-OS_task]
: Add OS_task attribute. * common/config/avr/avr-common.c (avr_option_optimization_table): Switch on -mmain-is-OS_task for optimizing compilations. 2018-01-09 Richard Biener PR tree-optimization/83572 * graphite.c: Include cfganal.h. (graphite_transform_loops): Connect infinite loops to exit and remove fake edges at the end. 2018-01-09 Jan Hubicka * ipa-inline.c (edge_badness): Revert accidental checkin. 2018-01-09 Jan Hubicka PR ipa/80763 * ipa-comdats.c (set_comdat_group): Only set comdat group of real symbols; not inline clones. 2018-01-09 Jakub Jelinek PR target/83507 * modulo-sched.c (schedule_reg_moves): Punt if we'd need to move hard registers. Formatting fixes. PR preprocessor/83722 * gcc.c (try_generate_repro): Pass &temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1] as last argument to do_report_bug. 2018-01-08 Monk Chiang Kito Cheng * config/riscv/riscv.c (machine_function::is_leaf): Remove field. (riscv_leaf_function_p): Delete. (riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE. 2018-01-08 Aaron Sawdey * config/rs6000/rs6000-string.c (do_load_for_compare_from_addr): New function. (do_ifelse): New function. (do_isel): New function. (do_sub3): New function. (do_add3): New function. (do_load_mask_compare): New function. (do_overlap_load_compare): New function. (expand_compare_loop): New function. (expand_block_compare): Call expand_compare_loop() when appropriate. * config/rs6000/rs6000.opt (-mblock-compare-inline-limit): Change option description. (-mblock-compare-inline-loop-limit): New option. 2018-01-08 Bill Schmidt PR target/83677 * config/rs6000/altivec.md (*altivec_vpermr__internal): Reverse order of second and third operands in first alternative. * config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order of first and second elements in UNSPEC_VPERMR vector. (altivec_expand_vec_perm_le): Likewise. 2018-01-08 Jeff Law PR rtl-optimizatin/81308 * tree-switch-conversion.c (cfg_altered): New file scoped static. (process_switch): If group_case_labels makes a change, then set cfg_altered. (pass_convert_switch::execute): If a switch is converted, then set cfg_altered. Return TODO_cfg_cleanup if cfg_altered is true. PR rtl-optimization/81308 * recog.c (split_all_insns): Conditionally cleanup the CFG after splitting insns. 2018-01-08 Vidya Praveen PR target/83663 - Revert r255946 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify code generation for cases where splatting a value is not useful. * simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge across a vec_duplicate and a paradoxical subreg forming a vector mode to a vec_concat. 2018-01-08 Kyrylo Tkachov * config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping rules for -march=armv8.3-a variants. * config/arm/t-multilib: Likewise. * config/arm/t-arm-elf: Likewise. Handle dotprod extension. 2018-01-08 Aaron Sawdey * config/rs6000/rs6000.md (cceq_ior_compare): Remove * so I can use it to generate rtl. (cceq_ior_compare_complement): Give it a name so I can use it, and change boolean_or_operator predicate to boolean_operator so it can be used to generate a crand. (eqne): New code iterator. (bd/bd_neg): New code_attrs. (_): New name for ctr_internal[12] now combined into a single define_insn. (tf_): A new insn pattern for the conditional form branch decrement (bdnzt/bdnzf/bdzt/bdzf). * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Updated with the new names of the branch decrement patterns, and added the names of the branch decrement conditional patterns. 2018-01-08 Richard Biener PR tree-optimization/83563 * graphite.c (canonicalize_loop_closed_ssa_form): Reset the SCEV cache. 2018-01-08 Richard Biener PR middle-end/83713 * convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks. 2018-01-08 Richard Biener PR tree-optimization/83685 * tree-ssa-pre.c (create_expression_by_pieces): Do not insert references to abnormals. 2018-01-08 Richard Biener PR lto/83719 * dwarf2out.c (output_indirect_strings): Handle empty skeleton_debug_str_hash. (dwarf2out_early_finish): Index strings for -gsplit-dwarf. 2018-01-08 Claudiu Zissulescu * config/arc/arc.c (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Delete. (emit_store_direct): Likewise. (arc_trampoline_adjust_address): Likewise. (arc_asm_trampoline_template): New function. (arc_initialize_trampoline): Use asm_trampoline_template. (TARGET_ASM_TRAMPOLINE_TEMPLATE): Define. * config/arc/arc.h (TRAMPOLINE_SIZE): Adjust to 16. * config/arc/arc.md (flush_icache): Delete pattern. 2018-01-08 Claudiu Zissulescu * config/arc/arc-c.def (__ARC_UNALIGNED__): New define. * config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using munaligned-access. 2018-01-08 Sebastian Huber PR target/83681 * config/epiphany/epiphany.h (make_pass_mode_switch_use): Guard by not USED_FOR_TARGET. (make_pass_resolve_sw_modes): Likewise. 2018-01-08 Sebastian Huber * config/nios2/nios2.h (nios2_section_threshold): Guard by not USED_FOR_TARGET. 2018-01-08 Richard Biener PR middle-end/83580 * tree-data-ref.c (split_constant_offset): Remove STRIP_NOPS. 2018-01-08 Richard Biener PR middle-end/83517 * match.pd ((t * 2) / 2) -> t): Add missing :c. 2018-01-06 Aldy Hernandez PR middle-end/81897 * tree-ssa-uninit.c (compute_control_dep_chain): Do not bail on basic blocks with a small number of successors. (convert_control_dep_chain_into_preds): Improve handling of forwarder blocks. (dump_predicates): Split apart into... (dump_pred_chain): ...here... (dump_pred_info): ...and here. (can_one_predicate_be_invalidated_p): Add debugging printfs. (can_chain_union_be_invalidated_p): Improve check for invalidation of paths. (uninit_uses_cannot_happen): Avoid unnecessary if convert_control_dep_chain_into_preds yielded nothing. 2018-01-06 Martin Sebor PR tree-optimization/83640 * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Avoid subtracting negative offset from size. (builtin_access::overlap): Adjust offset bounds of the access to fall within the size of the object if possible. 2018-01-06 Richard Sandiford PR rtl-optimization/83699 * expmed.c (extract_bit_field_1): Restrict the vector usage of extract_bit_field_as_subreg to cases in which the extracted value is also a vector. * lra-constraints.c (process_alt_operands): Test for the equivalence substitutions when detecting a possible reload cycle. 2018-01-06 Jakub Jelinek PR debug/83480 * toplev.c (process_options): Don't enable debug_nonbind_markers_p by default if flag_selective_schedling{,2}. Formatting fixes. PR rtl-optimization/83682 * rtl.h (const_vec_duplicate_p): Only return true for VEC_DUPLICATE if it has non-VECTOR_MODE element mode. (vec_duplicate_p): Likewise. PR middle-end/83694 * cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT. 2018-01-05 Jakub Jelinek PR target/83604 * config/i386/i386-builtin.def (__builtin_ia32_vgf2p8affineinvqb_v64qi, __builtin_ia32_vgf2p8affineqb_v64qi, __builtin_ia32_vgf2p8mulb_v64qi): Require also OPTION_MASK_ISA_AVX512F in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8affineinvqb_v16qi_mask, __builtin_ia32_vgf2p8affineqb_v16qi_mask): Require OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_SSE in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8mulb_v32qi_mask): Require OPTION_MASK_ISA_AVX512VL in addition to OPTION_MASK_ISA_GFNI and OPTION_MASK_ISA_AVX512BW. (__builtin_ia32_vgf2p8mulb_v16qi_mask): Require OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_AVX512BW in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8affineinvqb_v16qi, __builtin_ia32_vgf2p8affineqb_v16qi, __builtin_ia32_vgf2p8mulb_v16qi): Require OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_SSE in addition to OPTION_MASK_ISA_GFNI. * config/i386/i386.c (def_builtin): Change to builtin isa/isa2 being a requirement for all ISAs rather than any of them with a few exceptions. (ix86_add_new_builtins): Clear OPTION_MASK_ISA_64BIT from isa before processing. (ix86_expand_builtin): Require all ISAs from builtin's isa and isa2 bitmasks to be enabled with 3 exceptions, instead of requiring any enabled ISA with lots of exceptions. * config/i386/sse.md (vgf2p8affineinvqb_, vgf2p8affineqb_, vgf2p8mulb_): Change avx512bw in isa attribute to avx512f. * config/i386/sgxintrin.h: Add license boilerplate. * config/i386/vaesintrin.h: Likewise. Fix macro spelling __AVX512F to __AVX512F__ and __AVX512VL to __AVX512VL__. (_mm256_aesdec_epi128, _mm256_aesdeclast_epi128, _mm256_aesenc_epi128, _mm256_aesenclast_epi128): Enable temporarily avx if __AVX__ is not defined. * config/i386/gfniintrin.h (_mm_gf2p8mul_epi8, _mm_gf2p8affineinv_epi64_epi8, _mm_gf2p8affine_epi64_epi8): Enable temporarily sse2 rather than sse if not enabled already. PR target/83604 * config/i386/sse.md (VI248_VLBW): Rename to ... (VI248_AVX512VL): ... this. Don't guard V32HI with TARGET_AVX512BW. (vpshrd_, vpshld_, vpshrdv_, vpshrdv__mask, vpshrdv__maskz, vpshrdv__maskz_1, vpshldv_, vpshldv__mask, vpshldv__maskz, vpshldv__maskz_1): Use VI248_AVX512VL mode iterator instead of VI248_VLBW. 2018-01-05 Jan Hubicka * ipa-fnsummary.c (record_modified_bb_info): Add OP. (record_modified): Skip clobbers; add debug output. (param_change_prob): Use sreal frequencies. 2018-01-05 Richard Sandiford * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't punt for user-aligned variables. 2018-01-05 Richard Sandiford * tree-chrec.c (chrec_contains_symbols): Return true for POLY_INT_CST. 2018-01-05 Sudakshina Das PR target/82439 * simplify-rtx.c (simplify_relational_operation_1): Add simplifications of (x|y) == x for BICS pattern. 2018-01-05 Jakub Jelinek PR tree-optimization/83605 * gimple-ssa-strength-reduction.c: Include tree-eh.h. (find_candidates_dom_walker::before_dom_children): Ignore stmts that can throw. 2018-01-05 Sebastian Huber * config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration. * config/epiphany/rtems.h: New file. 2018-01-04 Jakub Jelinek Uros Bizjak PR target/83554 * config/i386/i386.md (*hi3_1 splitter): Use QIreg_operand instead of register_operand predicate. * config/i386/i386.c (ix86_rop_should_change_byte_p, set_rop_modrm_reg_bits, ix86_mitigate_rop): Use -mmitigate-rop in comments instead of -fmitigate[-_]rop. 2018-01-04 Rainer Orth PR bootstrap/81926 * cgraphunit.c (symbol_table::compile): Switch to text_section before calling assembly_start debug hook. * run-rtl-passes.c (run_rtl_passes): Likewise. Include output.h. 2018-01-04 Richard Sandiford * tree-vrp.c (extract_range_from_binary_expr_1): Check range_int_cst_p rather than !symbolic_range_p before calling extract_range_from_multiplicative_op_1. 2018-01-04 Jeff Law * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Remove redundant test in assertion. 2018-01-04 Richard Sandiford * doc/rtl.texi: Document machine_mode wrapper classes. 2018-01-04 Richard Sandiford * fold-const.c (fold_ternary_loc): Check tree_fits_uhwi_p before using tree_to_uhwi. 2018-01-04 Richard Sandiford * tree-ssa-forwprop.c (is_combined_permutation_identity): Allow the VEC_PERM_EXPR fold to fail. 2018-01-04 Jakub Jelinek PR debug/83585 * bb-reorder.c (insert_section_boundary_note): Set has_bb_partition to switched_sections. 2018-01-04 Richard Sandiford PR target/83680 * config/arm/arm.c (arm_vectorize_vec_perm_const): Fix inverted test for d.testing. 2018-01-04 Peter Bergner PR target/83387 * config/rs6000/rs6000.c (rs6000_discover_homogeneous_aggregate): Do not allow arguments in FP registers if TARGET_HARD_FLOAT is false. 2018-01-04 Jakub Jelinek PR debug/83666 * cfgexpand.c (expand_debug_expr) : Punt if mode is BLKmode and bitpos not zero or mode change is needed. 2018-01-04 Richard Sandiford PR target/83675 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Require TARGET_VIS2. 2018-01-04 Uros Bizjak PR target/83628 * config/alpha/alpha.md (*sadd): Use ASHIFT instead of MULT rtx. Update all corresponding splitters. (*saddl_se): Ditto. (*ssub): Ditto. (*ssubl_se): Ditto. (*cmp_sadd_di): Update split patterns. (*cmp_sadd_si): Ditto. (*cmp_sadd_sidi): Ditto. (*cmp_ssub_di): Ditto. (*cmp_ssub_si): Ditto. (*cmp_ssub_sidi): Ditto. * config/alpha/predicates.md (const23_operand): New predicate. * config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]: Look for ASHIFT, not MULT inner operand. (alpha_split_conditional_move): Update for *sadd change. 2018-01-04 Martin Liska PR gcov-profile/83669 * gcov.c (output_intermediate_file): Add version to intermediate gcov file. * doc/gcov.texi: Document new field 'version' in intermediate file format. Fix location of '-k' option of gcov command. 2018-01-04 Martin Liska PR ipa/82352 * ipa-icf.c (sem_function::merge): Do not cross comdat boundary. 2018-01-04 Jakub Jelinek * gimple-ssa-sprintf.c (parse_directive): Cast second dir.len to uhwi. 2018-01-03 Martin Sebor PR tree-optimization/83655 * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid checking calls with invalid arguments. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_get_store_rhs): New function. (vectorizable_mask_load_store): Delete. (vectorizable_call): Return false for masked loads and stores. (vectorizable_store): Handle IFN_MASK_STORE. Use vect_get_store_rhs instead of gimple_assign_rhs1. (vectorizable_load): Handle IFN_MASK_LOAD. (vect_transform_stmt): Don't set is_store for call_vec_info_type. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_build_gather_load_calls): New function, split out from.., (vectorizable_mask_load_store): ...here. (vectorizable_load): ...and here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_build_all_ones_mask) (vect_build_zero_merge_argument): New functions, split out from... (vectorizable_load): ...here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_check_store_rhs): New function, split out from... (vectorizable_mask_load_store): ...here. (vectorizable_store): ...and here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_check_load_store_mask): New function, split out from... (vectorizable_mask_load_store): ...here. 2018-01-03 Richard Sandiford * tree-vectorizer.h (vec_load_store_type): Moved from tree-vec-stmts.c (vect_model_store_cost): Take a vec_load_store_type instead of a vect_def_type. * tree-vect-stmts.c (vec_load_store_type): Move to tree-vectorizer.h. (vect_model_store_cost): Take a vec_load_store_type instead of a vect_def_type. (vectorizable_mask_load_store): Update accordingly. (vectorizable_store): Likewise. * tree-vect-slp.c (vect_analyze_slp_cost_1): Update accordingly. 2018-01-03 Richard Sandiford * tree-vect-loop.c (vect_transform_loop): Stub out scalar IFN_MASK_LOAD calls here rather than... * tree-vect-stmts.c (vectorizable_mask_load_store): ...here. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expmed.c (extract_bit_field_1): For vector extracts, fall back to extract_bit_field_as_subreg if vec_extract isn't available. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * lra-spills.c (pseudo_reg_slot_compare): Sort slots by whether they are variable or constant sized. (assign_stack_slot_num_and_sort_pseudos): Don't reuse variable-sized slots for constant-sized data. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): When handling COND_EXPRs with boolean comparisons, try to find a better basis for the mask type than the boolean itself. 2018-01-03 Richard Sandiford * doc/rtl.texi (MAX_BITSIZE_MODE_ANY_MODE): Describe how the default is calculated and how it can be overridden. * genmodes.c (max_bitsize_mode_any_mode): New variable. (create_modes): Initialize it from MAX_BITSIZE_MODE_ANY_MODE, if defined. (emit_max_int): Use it to set the output MAX_BITSIZE_MODE_ANY_MODE, if nonzero. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-protos.h (aarch64_output_simd_mov_immediate): Remove the mode argument. (aarch64_simd_valid_immediate): Remove the mode and inverse arguments. * config/aarch64/iterators.md (bitsize): New iterator. * config/aarch64/aarch64-simd.md (*aarch64_simd_mov, and3) (ior3): Update calls to aarch64_output_simd_mov_immediate. * config/aarch64/constraints.md (Do, Db, Dn): Update calls to aarch64_simd_valid_immediate. * config/aarch64/predicates.md (aarch64_reg_or_orr_imm): Likewise. (aarch64_reg_or_bic_imm): Likewise. * config/aarch64/aarch64.c (simd_immediate_info): Replace mvn with an insn_type enum and msl with a modifier_type enum. Replace element_width with a scalar_mode. Change the shift to unsigned int. Add constructors for scalar_float_mode and scalar_int_mode elements. (aarch64_vect_float_const_representable_p): Delete. (aarch64_can_const_movi_rtx_p) (aarch64_simd_scalar_immediate_valid_for_move) (aarch64_simd_make_constant): Update call to aarch64_simd_valid_immediate. (aarch64_advsimd_valid_immediate_hs): New function. (aarch64_advsimd_valid_immediate): Likewise. (aarch64_simd_valid_immediate): Remove mode and inverse arguments. Rewrite to use the above. Use const_vec_duplicate_p to detect duplicated constants and use aarch64_float_const_zero_rtx_p and aarch64_float_const_representable_p on the result. (aarch64_output_simd_mov_immediate): Remove mode argument. Update call to aarch64_simd_valid_immediate and use of simd_immediate_info. (aarch64_output_scalar_simd_mov_immediate): Update call accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_precision): Prefix with CONST_MODE_PRECISION. (mode_nunits): Likewise CONST_MODE_NUNITS. * machmode.def (ADJUST_NUNITS): Document. * genmodes.c (mode_data::need_nunits_adj): New field. (blank_mode): Update accordingly. (adj_nunits): New variable. (print_maybe_const_decl): Replace CATEGORY with a NEEDS_ADJ parameter. (emit_mode_size_inline): Set need_bytesize_adj for all modes listed in adj_nunits. (emit_mode_nunits_inline): Set need_nunits_adj for all modes listed in adj_nunits. Don't emit case statements for such modes. (emit_insn_modes_h): Emit definitions of CONST_MODE_NUNITS and CONST_MODE_PRECISION. Make CONST_MODE_SIZE expand to nothing if adj_nunits is nonnull. (emit_mode_precision, emit_mode_nunits): Use print_maybe_const_decl. (emit_mode_unit_size, emit_mode_base_align, emit_mode_ibit) (emit_mode_fbit): Update use of print_maybe_const_decl. (emit_move_size): Likewise. Treat the array as non-const if adj_nunits. (emit_mode_adjustments): Handle adj_nunits. 2018-01-03 Richard Sandiford * machmode.def (VECTOR_MODES_WITH_PREFIX): Document. * genmodes.c (VECTOR_MODES_WITH_PREFIX): New macro. (VECTOR_MODES): Use it. (make_vector_modes): Take the prefix as an argument. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * mode-classes.def (MODE_VECTOR_BOOL): New mode class. * machmode.h (INTEGRAL_MODE_P, VECTOR_MODE_P): Return true for MODE_VECTOR_BOOL. * machmode.def (VECTOR_BOOL_MODE): Document. * genmodes.c (VECTOR_BOOL_MODE): New macro. (make_vector_bool_mode): New function. (complete_mode, emit_mode_wider, emit_mode_adjustments): Handle MODE_VECTOR_BOOL. * lto-streamer-in.c (lto_input_mode_table): Likewise. * rtx-vector-builder.c (rtx_vector_builder::find_cached_value): Likewise. * stor-layout.c (int_mode_for_mode): Likewise. * tree.c (build_vector_type_for_mode): Likewise. * varasm.c (output_constant_pool_2): Likewise. * emit-rtl.c (init_emit_once): Make sure that CONST1_RTX (BImode) and CONSTM1_RTX (BImode) are the same thing. Initialize const_tiny_rtx for MODE_VECTOR_BOOL. * expr.c (expand_expr_real_1): Use VECTOR_MODE_P instead of a list of mode class checks. * tree-vect-generic.c (expand_vector_operation): Use VECTOR_MODE_P instead of a list of mode class checks. (expand_vector_scalar_condition): Likewise. (type_for_widest_vector_mode): Handle BImode as an inner mode. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_size): Change from unsigned short to poly_uint16_pod. (mode_to_bytes): Return a poly_uint16 rather than an unsigned short. (GET_MODE_SIZE): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. (fixed_size_mode::includes_p): Check for constant-sized modes. * genmodes.c (emit_mode_size_inline): Make mode_size_inline return a poly_uint16 rather than an unsigned short. (emit_mode_size): Change the type of mode_size from unsigned short to poly_uint16_pod. Use ZERO_COEFFS for the initializer. (emit_mode_adjustments): Cope with polynomial vector sizes. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_SIZE. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_SIZE. * auto-inc-dec.c (try_merge): Treat GET_MODE_SIZE as polynomial. * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Likewise. * caller-save.c (setup_save_areas): Likewise. (replace_reg_with_saved_mem): Likewise. * calls.c (emit_library_call_value_1): Likewise. * combine-stack-adj.c (combine_stack_adjustments_for_block): Likewise. * combine.c (simplify_set, make_extraction, simplify_shift_const_1) (gen_lowpart_for_combine): Likewise. * convert.c (convert_to_integer_1): Likewise. * cse.c (equiv_constant, cse_insn): Likewise. * cselib.c (autoinc_split, cselib_hash_rtx): Likewise. (cselib_subst_to_values): Likewise. * dce.c (word_dce_process_block): Likewise. * df-problems.c (df_word_lr_mark_ref): Likewise. * dwarf2cfi.c (init_one_dwarf_reg_size): Likewise. * dwarf2out.c (multiple_reg_loc_descriptor, mem_loc_descriptor) (concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor) (rtl_for_decl_location): Likewise. * emit-rtl.c (gen_highpart, widen_memory_access): Likewise. * expmed.c (extract_bit_field_1, extract_integral_bit_field): Likewise. * expr.c (emit_group_load_1, clear_storage_hints): Likewise. (emit_move_complex, emit_move_multi_word, emit_push_insn): Likewise. (expand_expr_real_1): Likewise. * function.c (assign_parm_setup_block_p, assign_parm_setup_block) (pad_below): Likewise. * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise. * gimple-ssa-store-merging.c (rhs_valid_for_store_merging_p): Likewise. * ira.c (get_subreg_tracking_sizes): Likewise. * ira-build.c (ira_create_allocno_objects): Likewise. * ira-color.c (coalesced_pseudo_reg_slot_compare): Likewise. (ira_sort_regnos_for_alter_reg): Likewise. * ira-costs.c (record_operand_costs): Likewise. * lower-subreg.c (interesting_mode_p, simplify_gen_subreg_concatn) (resolve_simple_move): Likewise. * lra-constraints.c (get_reload_reg, operands_match_p): Likewise. (process_addr_reg, simplify_operand_subreg, curr_insn_transform) (lra_constraints): Likewise. (CONST_POOL_OK_P): Reject variable-sized modes. * lra-spills.c (slot, assign_mem_slot, pseudo_reg_slot_compare) (add_pseudo_to_slot, lra_spill): Likewise. * omp-low.c (omp_clause_aligned_alignment): Likewise. * optabs-query.c (get_best_extraction_insn): Likewise. * optabs-tree.c (expand_vec_cond_expr_p): Likewise. * optabs.c (expand_vec_perm_var, expand_vec_cond_expr): Likewise. (expand_mult_highpart, valid_multiword_target_p): Likewise. * recog.c (offsettable_address_addr_space_p): Likewise. * regcprop.c (maybe_mode_change): Likewise. * reginfo.c (choose_hard_reg_mode, record_subregs_of_mode): Likewise. * regrename.c (build_def_use): Likewise. * regstat.c (dump_reg_info): Likewise. * reload.c (complex_word_subreg_p, push_reload, find_dummy_reload) (find_reloads, find_reloads_subreg_address): Likewise. * reload1.c (eliminate_regs_1): Likewise. * rtlanal.c (for_each_inc_dec_find_inc_dec, rtx_cost): Likewise. * simplify-rtx.c (avoid_constant_pool_reference): Likewise. (simplify_binary_operation_1, simplify_subreg): Likewise. * targhooks.c (default_function_arg_padding): Likewise. (default_hard_regno_nregs, default_class_max_nregs): Likewise. * tree-cfg.c (verify_gimple_assign_binary): Likewise. (verify_gimple_assign_ternary): Likewise. * tree-inline.c (estimate_move_cost): Likewise. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-ssa-loop-ivopts.c (add_autoinc_candidates): Likewise. (get_address_cost_ainc): Likewise. * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise. (vect_supportable_dr_alignment): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. (vectorizable_reduction): Likewise. * tree-vect-stmts.c (vectorizable_assignment, vectorizable_shift) (vectorizable_operation, vectorizable_load): Likewise. * tree.c (build_same_sized_truth_vector_type): Likewise. * valtrack.c (cleanup_auto_inc_dec): Likewise. * var-tracking.c (emit_note_insn_var_location): Likewise. * config/arc/arc.h (ASM_OUTPUT_CASE_END): Use as_a . (ADDR_VEC_ALIGN): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_to_bits): Return a poly_uint16 rather than an unsigned short. (GET_MODE_BITSIZE): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is polynomial. * calls.c (shift_return_value): Treat GET_MODE_BITSIZE as polynomial. * combine.c (make_extraction): Likewise. * dse.c (find_shift_sequence): Likewise. * dwarf2out.c (mem_loc_descriptor): Likewise. * expmed.c (store_integral_bit_field, extract_bit_field_1): Likewise. (extract_bit_field, extract_low_bits): Likewise. * expr.c (convert_move, convert_modes, emit_move_insn_1): Likewise. (optimize_bitfield_assignment_op, expand_assignment): Likewise. (store_expr_with_bounds, store_field, expand_expr_real_1): Likewise. * fold-const.c (optimize_bit_field_compare, merge_ranges): Likewise. * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (alter_reg): Likewise. * stor-layout.c (bitwise_mode_for_mode, compute_record_mode): Likewise. * targhooks.c (default_secondary_memory_needed_mode): Likewise. * tree-if-conv.c (predicate_mem_writes): Likewise. * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise. * tree-vect-patterns.c (adjust_bool_pattern): Likewise. * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise. * valtrack.c (dead_debug_insert_temp): Likewise. * varasm.c (mergeable_constant_section): Likewise. * config/sh/sh.h (LOCAL_ALIGNMENT): Use as_a . 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_assignment): Cope with polynomial mode sizes when assigning to a CONCAT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_precision): Change from unsigned short to poly_uint16_pod. (mode_to_precision): Return a poly_uint16 rather than an unsigned short. (GET_MODE_PRECISION): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. (HWI_COMPUTABLE_MODE_P): Turn into a function. Optimize the case in which the mode is already known to be a scalar_int_mode. * genmodes.c (emit_mode_precision): Change the type of mode_precision from unsigned short to poly_uint16_pod. Use ZERO_COEFFS for the initializer. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_PRECISION. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_PRECISION. * combine.c (update_rsp_from_reg_equal): Treat GET_MODE_PRECISION as polynomial. (try_combine, find_split_point, combine_simplify_rtx): Likewise. (expand_field_assignment, make_extraction): Likewise. (make_compound_operation_int, record_dead_and_set_regs_1): Likewise. (get_last_value): Likewise. * convert.c (convert_to_integer_1): Likewise. * cse.c (cse_insn): Likewise. * expr.c (expand_expr_real_1): Likewise. * lra-constraints.c (simplify_operand_subreg): Likewise. * optabs-query.c (can_atomic_load_p): Likewise. * optabs.c (expand_atomic_load): Likewise. (expand_atomic_store): Likewise. * ree.c (combine_reaching_defs): Likewise. * rtl.h (partial_subreg_p, paradoxical_subreg_p): Likewise. * rtlanal.c (nonzero_bits1, lsb_bitfield_op_p): Likewise. * tree.h (type_has_mode_precision_p): Likewise. * ubsan.c (instrument_si_overflow): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree.h (TYPE_VECTOR_SUBPARTS): Turn into a function and handle polynomial numbers of units. (SET_TYPE_VECTOR_SUBPARTS): Likewise. (valid_vector_subparts_p): New function. (build_vector_type): Remove temporary shim and take the number of units as a poly_uint64 rather than an int. (build_opaque_vector_type): Take the number of units as a poly_uint64 rather than an int. * tree.c (build_vector_from_ctor): Handle polynomial TYPE_VECTOR_SUBPARTS. (type_hash_canon_hash, type_cache_hasher::equal): Likewise. (uniform_vector_p, vector_type_mode, build_vector): Likewise. (build_vector_from_val): If the number of units is variable, use build_vec_duplicate_cst for constant operands and VEC_DUPLICATE_EXPR otherwise. (make_vector_type): Remove temporary is_constant (). (build_vector_type, build_opaque_vector_type): Take the number of units as a poly_uint64 rather than an int. (check_vector_cst): Handle polynomial TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS. * cfgexpand.c (expand_debug_expr): Likewise. * expr.c (count_type_elements, categorize_ctor_elements_1): Likewise. (store_constructor, expand_expr_real_1): Likewise. (const_scalar_mask_from_tree): Likewise. * fold-const-call.c (fold_const_reduction): Likewise. * fold-const.c (const_binop, const_unop, fold_convert_const): Likewise. (operand_equal_p, fold_vec_perm, fold_ternary_loc): Likewise. (native_encode_vector, vec_cst_ctor_to_array): Likewise. (fold_relational_const): Likewise. (native_interpret_vector): Likewise. Change the size from an int to an unsigned int. * gimple-fold.c (gimple_fold_stmt_to_constant_1): Handle polynomial TYPE_VECTOR_SUBPARTS. (gimple_fold_indirect_ref, gimple_build_vector): Likewise. (gimple_build_vector_from_val): Use VEC_DUPLICATE_EXPR when duplicating a non-constant operand into a variable-length vector. * hsa-brig.c (hsa_op_immed::emit_to_buffer): Handle polynomial TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS. * ipa-icf.c (sem_variable::equals): Likewise. * match.pd: Likewise. * omp-simd-clone.c (simd_clone_subparts): Likewise. * print-tree.c (print_node): Likewise. * stor-layout.c (layout_type): Likewise. * targhooks.c (default_builtin_vectorization_cost): Likewise. * tree-cfg.c (verify_gimple_comparison): Likewise. (verify_gimple_assign_binary): Likewise. (verify_gimple_assign_ternary): Likewise. (verify_gimple_assign_single): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. (simplify_bitfield_ref, is_combined_permutation_identity): Likewise. * tree-vect-data-refs.c (vect_permute_store_chain): Likewise. (vect_grouped_load_supported, vect_permute_load_chain): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-generic.c (nunits_for_known_piecewise_op): Likewise. (expand_vector_condition, optimize_vector_constructor): Likewise. (lower_vec_perm, get_compute_type): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. (get_initial_defs_for_reduction, vect_transform_loop): Likewise. * tree-vect-patterns.c (vect_recog_bool_pattern): Likewise. (vect_recog_mask_conversion_pattern): Likewise. * tree-vect-slp.c (vect_supported_load_permutation_p): Likewise. (vect_get_constant_vectors, vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (get_group_load_store_type, vectorizable_mask_load_store): Likewise. (vectorizable_bswap, simd_clone_subparts, vectorizable_assignment) (vectorizable_shift, vectorizable_operation, vectorizable_store) (vectorizable_load, vect_is_simple_cond, vectorizable_comparison) (supportable_widening_operation): Likewise. (supportable_narrowing_operation): Likewise. * tree-vector-builder.c (tree_vector_builder::binary_encoded_nelts): Likewise. * varasm.c (output_constant): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_permute_store_chain): Reorganize so that both the length == 3 and length != 3 cases set up their own permute vectors. Add comments explaining why we know the number of elements is constant. (vect_permute_load_chain): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_nunits): Change from unsigned char to poly_uint16_pod. (ONLY_FIXED_SIZE_MODES): New macro. (pod_mode::measurement_type, scalar_int_mode::measurement_type) (scalar_float_mode::measurement_type, scalar_mode::measurement_type) (complex_mode::measurement_type, fixed_size_mode::measurement_type): New typedefs. (mode_to_nunits): Return a poly_uint16 rather than an unsigned short. (GET_MODE_NUNITS): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. * genmodes.c (ZERO_COEFFS): New macro. (emit_mode_nunits_inline): Make mode_nunits_inline return a poly_uint16. (emit_mode_nunits): Change the type of mode_nunits to poly_uint16_pod. Use ZERO_COEFFS when emitting initializers. * data-streamer.h (bp_pack_poly_value): New function. (bp_unpack_poly_value): Likewise. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_NUNITS. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_NUNITS. * tree.c (make_vector_type): Remove temporary shim and make the real function take the number of units as a poly_uint64 rather than an int. (build_vector_type_for_mode): Handle polynomial nunits. * dwarf2out.c (loc_descriptor, add_const_value_attribute): Likewise. * emit-rtl.c (const_vec_series_p_1): Likewise. (gen_rtx_CONST_VECTOR): Likewise. * fold-const.c (test_vec_duplicate_folding): Likewise. * genrecog.c (validate_pattern): Likewise. * optabs-query.c (can_vec_perm_var_p, can_mult_highpart_p): Likewise. * optabs-tree.c (expand_vec_cond_expr_p): Likewise. * optabs.c (expand_vector_broadcast, expand_binop_directly): Likewise. (shift_amt_for_vec_perm_mask, expand_vec_perm_var): Likewise. (expand_vec_cond_expr, expand_mult_highpart): Likewise. * rtlanal.c (subreg_get_info): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_grouped_load_supported): Likewise. * tree-vect-generic.c (type_for_widest_vector_mode): Likewise. * tree-vect-loop.c (have_whole_vector_shift): Likewise. * simplify-rtx.c (simplify_unary_operation_1): Likewise. (simplify_const_unary_operation, simplify_binary_operation_1) (simplify_const_binary_operation, simplify_ternary_operation) (test_vector_ops_duplicate, test_vector_ops): Likewise. (simplify_immed_subreg): Use GET_MODE_NUNITS on a fixed_size_mode instead of CONST_VECTOR_NUNITS. * varasm.c (output_constant_pool_2): Likewise. * rtx-vector-builder.c (rtx_vector_builder::build): Only include the explicit-encoded elements in the XVEC for variable-length vectors. 2018-01-03 Richard Sandiford * lra-constraints.c (curr_insn_transform): Use partial_subreg_p. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * coretypes.h (fixed_size_mode): Declare. (fixed_size_mode_pod): New typedef. * builtins.h (target_builtins::x_apply_args_mode) (target_builtins::x_apply_result_mode): Change type to fixed_size_mode_pod. * builtins.c (apply_args_size, apply_result_size, result_vector) (expand_builtin_apply_args_1, expand_builtin_apply) (expand_builtin_return): Update accordingly. 2018-01-03 Richard Sandiford * cse.c (hash_rtx_cb): Hash only the encoded elements. * cselib.c (cselib_hash_rtx): Likewise. * expmed.c (make_tree): Build VECTOR_CSTs directly from the CONST_VECTOR encoding. 2018-01-03 Jakub Jelinek Jeff Law PR target/83641 * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop, only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp and add REG_CFA_ADJUST_CFA notes in that case to both insns. PR target/83641 * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not explicitly probe *sp in a noreturn function if there were any callee register saves or frame pointer is needed. 2018-01-03 Jakub Jelinek PR debug/83621 * cfgexpand.c (expand_debug_expr): Return NULL if mode is BLKmode for ternary, binary or unary expressions. PR debug/83645 * var-tracking.c (delete_vta_debug_insn): New inline function. (delete_vta_debug_insns): Add USE_CFG argument, if true, walk just insns from get_insns () to NULL instead of each bb separately. Use delete_vta_debug_insn. No longer static. (vt_debug_insns_local, variable_tracking_main_1): Adjust delete_vta_debug_insns callers. * rtl.h (delete_vta_debug_insns): Declare. * final.c (rest_of_handle_final): Call delete_vta_debug_insns instead of variable_tracking_main. 2018-01-03 Martin Sebor PR tree-optimization/83603 * calls.c (maybe_warn_nonstring_arg): Avoid accessing function arguments past the endof the argument list in functions declared without a prototype. * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid checking when arguments are null. 2018-01-03 Martin Sebor PR c/83559 * doc/extend.texi (attribute const): Fix a typo. * ipa-pure-const.c ((warn_function_const, warn_function_pure): Avoid issuing -Wsuggest-attribute for void functions. 2018-01-03 Martin Sebor * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use offset_int::from instead of wide_int::to_shwi. (maybe_diag_overlap): Remove assertion. Use HOST_WIDE_INT_PRINT_DEC instead of %lli. * gimple-ssa-sprintf.c (format_directive): Same. (parse_directive): Same. (sprintf_dom_walker::compute_format_length): Same. (try_substitute_return_value): Same. 2018-01-03 Jeff Law PR middle-end/83654 * explow.c (anti_adjust_stack_and_probe_stack_clash): Test a non-constant residual for zero at runtime and avoid probing in that case. Reorganize code for trailing problem to mirror handling of the residual. 2018-01-03 Prathamesh Kulkarni PR tree-optimization/83501 * tree-ssa-strlen.c (get_string_cst): New. (handle_char_store): Call get_string_cst. 2018-01-03 Martin Liska PR tree-optimization/83593 * tree-ssa-strlen.c: Include tree-cfg.h. (strlen_check_and_optimize_stmt): Add new argument cleanup_eh. (strlen_dom_walker): Add new member variable m_cleanup_cfg. (strlen_dom_walker::strlen_dom_walker): Initialize m_cleanup_cfg to false. (strlen_dom_walker::before_dom_children): Call gimple_purge_dead_eh_edges. Dump tranformation with details dump flags. (strlen_dom_walker::before_dom_children): Update call by adding new argument cleanup_eh. (pass_strlen::execute): Return TODO_cleanup_cfg if needed. 2018-01-03 Martin Liska PR ipa/83549 * cif-code.def (VARIADIC_THUNK): New enum value. * ipa-fnsummary.c (compute_fn_summary): Do not inline variadic thunks. 2018-01-03 Jan Beulich * sse.md (mov_internal): Tighten condition for when to use vmovdqu for TI and OI modes. 2018-01-03 Jakub Jelinek Update copyright years. 2018-01-03 Martin Liska PR ipa/83594 * ipa-visibility.c (function_and_variable_visibility): Skip functions with noipa attribure. 2018-01-03 Jakub Jelinek * gcc.c (process_command): Update copyright notice dates. * gcov-dump.c (print_version): Ditto. * gcov.c (print_version): Ditto. * gcov-tool.c (print_version): Ditto. * gengtype.c (create_file): Ditto. * doc/cpp.texi: Bump @copying's copyright year. * doc/cppinternals.texi: Ditto. * doc/gcc.texi: Ditto. * doc/gccint.texi: Ditto. * doc/gcov.texi: Ditto. * doc/install.texi: Ditto. * doc/invoke.texi: Ditto. 2018-01-03 Richard Sandiford * vector-builder.h (vector_builder::m_full_nelts): Change from unsigned int to poly_uint64. (vector_builder::full_nelts): Update prototype accordingly. (vector_builder::new_vector): Likewise. (vector_builder::encoded_full_vector_p): Handle polynomial full_nelts. (vector_builder::operator ==): Likewise. (vector_builder::finalize): Likewise. * int-vector-builder.h (int_vector_builder::int_vector_builder): Take the number of elements as a poly_uint64 rather than an unsigned int. * vec-perm-indices.h (vec_perm_indices::m_nelts_per_input): Change from unsigned int to poly_uint64. (vec_perm_indices::vec_perm_indices): Update prototype accordingly. (vec_perm_indices::new_vector): Likewise. (vec_perm_indices::length): Likewise. (vec_perm_indices::nelts_per_input): Likewise. (vec_perm_indices::input_nelts): Likewise. * vec-perm-indices.c (vec_perm_indices::new_vector): Take the number of elements per input as a poly_uint64 rather than an unsigned int. Use the original encoding for variable-length vectors, rather than clamping each individual element. For the second and subsequent elements in each pattern, clamp the step and base before clamping their sum. (vec_perm_indices::series_p): Handle polynomial element counts. (vec_perm_indices::all_in_range_p): Likewise. (vec_perm_indices_to_tree): Likewise. (vec_perm_indices_to_rtx): Likewise. * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise. * tree-vector-builder.c (tree_vector_builder::new_unary_operation) (tree_vector_builder::new_binary_operation): Handle polynomial element counts. Return false if we need to know the number of elements at compile time. * fold-const.c (fold_vec_perm): Punt if the number of elements isn't known at compile time. 2018-01-03 Richard Sandiford * vec-perm-indices.h (vec_perm_builder): Change element type from HOST_WIDE_INT to poly_int64. (vec_perm_indices::element_type): Update accordingly. (vec_perm_indices::clamp): Handle polynomial element_types. * vec-perm-indices.c (vec_perm_indices::series_p): Likewise. (vec_perm_indices::all_in_range_p): Likewise. (tree_to_vec_perm_builder): Check for poly_int64 trees rather than shwi trees. * vector-builder.h (vector_builder::stepped_sequence_p): Handle polynomial vec_perm_indices element types. * int-vector-builder.h (int_vector_builder::equal_p): Likewise. * fold-const.c (fold_vec_perm): Likewise. * optabs.c (shift_amt_for_vec_perm_mask): Likewise. * tree-vect-generic.c (lower_vec_perm): Likewise. * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise. * config/aarch64/aarch64.c (aarch64_evpc_tbl): Cast d->perm element type to HOST_WIDE_INT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * alias.c (addr_side_effect_eval): Take the size as a poly_int64 rather than an int. Use plus_constant. (memrefs_conflict_p): Take the sizes as poly_int64s rather than ints. Take the offset "c" as a poly_int64 rather than a HOST_WIDE_INT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * calls.c (emit_call_1, expand_call): Change struct_value_size from a HOST_WIDE_INT to a poly_int64. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * calls.c (load_register_parameters): Cope with polynomial mode sizes. Require a constant size for BLKmode parameters that aren't described by a PARALLEL. If BLOCK_REG_PADDING forces a parameter to be padded at the lsb end in order to fill a complete number of words, require the parameter size to be ordered wrt UNITS_PER_WORD. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * reload1.c (spill_stack_slot_width): Change element type from unsigned int to poly_uint64_pod. (alter_reg): Treat mode sizes as polynomial. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * reload.c (complex_word_subreg_p): New function. (reload_inner_reg_of_subreg, push_reload): Use it. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * lra-constraints.c (process_alt_operands): Reject matched operands whose sizes aren't ordered. (match_reload): Refer to this check here. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Assert that the mode size is in the set {1, 2, 4, 8, 16}. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * var-tracking.c (adjust_mems): Treat mode sizes as polynomial. Use plus_constant instead of gen_rtx_PLUS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * config/cr16/cr16-protos.h (cr16_push_rounding): Declare. * config/cr16/cr16.h (PUSH_ROUNDING): Move implementation to... * config/cr16/cr16.c (cr16_push_rounding): ...this new function. * config/h8300/h8300-protos.h (h8300_push_rounding): Declare. * config/h8300/h8300.h (PUSH_ROUNDING): Move implementation to... * config/h8300/h8300.c (h8300_push_rounding): ...this new function. * config/i386/i386-protos.h (ix86_push_rounding): Declare. * config/i386/i386.h (PUSH_ROUNDING): Move implementation to... * config/i386/i386.c (ix86_push_rounding): ...this new function. * config/m32c/m32c-protos.h (m32c_push_rounding): Take and return a poly_int64. * config/m32c/m32c.c (m32c_push_rounding): Likewise. * config/m68k/m68k-protos.h (m68k_push_rounding): Declare. * config/m68k/m68k.h (PUSH_ROUNDING): Move implementation to... * config/m68k/m68k.c (m68k_push_rounding): ...this new function. * config/pdp11/pdp11-protos.h (pdp11_push_rounding): Declare. * config/pdp11/pdp11.h (PUSH_ROUNDING): Move implementation to... * config/pdp11/pdp11.c (pdp11_push_rounding): ...this new function. * config/stormy16/stormy16-protos.h (xstormy16_push_rounding): Declare. * config/stormy16/stormy16.h (PUSH_ROUNDING): Move implementation to... * config/stormy16/stormy16.c (xstormy16_push_rounding): ...this new function. * expr.c (emit_move_resolve_push): Treat the input and result of PUSH_ROUNDING as a poly_int64. (emit_move_complex_push, emit_single_push_insn_1): Likewise. (emit_push_insn): Likewise. * lra-eliminations.c (mark_not_eliminable): Likewise. * recog.c (push_operand): Likewise. * reload1.c (elimination_effects): Likewise. * rtlanal.c (nonzero_bits1): Likewise. * calls.c (store_one_arg): Likewise. Require the padding to be known at compile time. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (emit_single_push_insn_1): Treat mode sizes as polynomial. Use plus_constant instead of gen_rtx_PLUS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64 rather than an int. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_real_1): Use tree_to_poly_uint64 instead of int_size_in_bytes when handling VIEW_CONVERT_EXPRs via stack temporaries. Treat the mode size as polynomial too. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_real_2): When handling conversions involving unions, apply tree_to_poly_uint64 to the TYPE_SIZE rather than multiplying int_size_in_bytes by BITS_PER_UNIT. Treat GET_MODE_BISIZE as a poly_uint64 too. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * rtlanal.c (subreg_get_info): Handle polynomial mode sizes. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * combine.c (can_change_dest_mode): Handle polynomial REGMODE_NATURAL_SIZE. * expmed.c (store_bit_field_1): Likewise. * expr.c (store_constructor): Likewise. * emit-rtl.c (validate_subreg): Operate on polynomial mode sizes and polynomial REGMODE_NATURAL_SIZE. (gen_lowpart_common): Likewise. * reginfo.c (record_subregs_of_mode): Likewise. * rtlanal.c (read_modify_subreg_p): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * internal-fn.c (expand_vector_ubsan_overflow): Handle polynomial numbers of elements. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * match.pd: Cope with polynomial numbers of vector elements. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * fold-const.c (fold_indirect_ref_1): Handle polynomial offsets in a POINTER_PLUS_EXPR. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * omp-simd-clone.c (simd_clone_subparts): New function. (simd_clone_init_simd_arrays): Use it instead of TYPE_VECTOR_SUBPARTS. (ipa_simd_modify_function_body): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-generic.c (nunits_for_known_piecewise_op): New function. (expand_vector_piecewise): Use it instead of TYPE_VECTOR_SUBPARTS. (expand_vector_addition, add_rshift, expand_vector_divmod): Likewise. (expand_vector_condition, vector_element): Likewise. (subparts_gt): New function. (get_compute_type): Use subparts_gt. (count_type_subparts): Delete. (expand_vector_operations_1): Use subparts_gt instead of count_type_subparts. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_no_alias_p): Replace with... (vect_compile_time_alias): ...this new function. Do the calculation on poly_ints rather than trees. (vect_prune_runtime_alias_test_list): Update call accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_build_slp_tree_1): Handle polynomial numbers of units. (vect_schedule_slp_instance): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_get_and_check_slp_defs): Reject constant and extern definitions for variable-length vectors. (vect_get_constant_vectors): Note that the number of units is known to be constant. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (vectorizable_conversion): Treat the number of units as polynomial. Choose between WIDE and NARROW based on multiple_p. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (simd_clone_subparts): New function. (vectorizable_simd_clone_call): Use it instead of TYPE_VECTOR_SUBPARTS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (vectorizable_call): Treat the number of vectors as polynomial. Use build_index_vector for IFN_GOMP_SIMD_LANE. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (get_load_store_type): Treat the number of units as polynomial. Reject VMAT_ELEMENTWISE and VMAT_STRIDED_SLP for variable-length vectors. (vectorizable_mask_load_store): Treat the number of units as polynomial, asserting that it is constant if the condition has already been enforced. (vectorizable_store, vectorizable_load): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vectorizable_live_operation): Treat the number of units as polynomial. Punt if we can't tell at compile time which vector contains the final result. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vectorizable_induction): Treat the number of units as polynomial. Punt on SLP inductions. Use an integer VEC_SERIES_EXPR for variable-length integer reductions. Use a cast of such a series for variable-length floating-point reductions. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree.h (build_index_vector): Declare. * tree.c (build_index_vector): New function. * tree-vect-loop.c (get_initial_defs_for_reduction): Treat the number of units as polynomial, forcibly converting it to a constant if vectorizable_reduction has already enforced the condition. (vect_create_epilog_for_reduction): Likewise. Use build_index_vector to create a {1,2,3,...} vector. (vectorizable_reduction): Treat the number of units as polynomial. Choose vectype_in based on the largest scalar element size rather than the smallest number of units. Enforce the restrictions relied on above. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vector_alignment_reachable_p): Treat the number of units as polynomial. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * target.h (vector_sizes, auto_vector_sizes): New typedefs. * target.def (autovectorize_vector_sizes): Return the vector sizes by pointer, using vector_sizes rather than a bitmask. * targhooks.h (default_autovectorize_vector_sizes): Update accordingly. * targhooks.c (default_autovectorize_vector_sizes): Likewise. * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Likewise. * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise. * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise. * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise. * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise. * omp-general.c (omp_max_vf): Likewise. * omp-low.c (omp_clause_aligned_alignment): Likewise. * optabs-query.c (can_vec_mask_load_store_p): Likewise. * tree-vect-loop.c (vect_analyze_loop): Likewise. * tree-vect-slp.c (vect_slp_bb): Likewise. * doc/tm.texi: Regenerate. * tree-vectorizer.h (current_vector_size): Change from an unsigned int to a poly_uint64. * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Take the vector size as a poly_uint64 rather than an unsigned int. (current_vector_size): Change from an unsigned int to a poly_uint64. (get_vectype_for_scalar_type): Update accordingly. * tree.h (build_truth_vector_type): Take the size and number of units as a poly_uint64 rather than an unsigned int. (build_vector_type): Add a temporary overload that takes the number of units as a poly_uint64 rather than an unsigned int. * tree.c (make_vector_type): Likewise. (build_truth_vector_type): Take the number of units as a poly_uint64 rather than an unsigned int. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * target.def (get_mask_mode): Take the number of units and length as poly_uint64s rather than unsigned ints. * targhooks.h (default_get_mask_mode): Update accordingly. * targhooks.c (default_get_mask_mode): Likewise. * config/i386/i386.c (ix86_get_mask_mode): Likewise. * doc/tm.texi: Regenerate. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * omp-general.h (omp_max_vf): Return a poly_uint64 instead of an int. * omp-general.c (omp_max_vf): Likewise. * omp-expand.c (omp_adjust_chunk_size): Update call to omp_max_vf. (expand_omp_simd): Handle polynomial safelen. * omp-low.c (omplow_simd_context): Add a default constructor. (omplow_simd_context::max_vf): Change from int to poly_uint64. (lower_rec_simd_input_clauses): Update accordingly. (lower_rec_input_clauses): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vect_nunits_for_cost): New function. * tree-vect-loop.c (vect_model_reduction_cost): Use it. * tree-vect-slp.c (vect_analyze_slp_cost_1): Likewise. (vect_analyze_slp_cost): Likewise. * tree-vect-stmts.c (vect_model_store_cost): Likewise. (vect_model_load_cost): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_record_max_nunits, vect_build_slp_tree_1) (vect_build_slp_tree_2, vect_build_slp_tree): Change max_nunits from an unsigned int * to a poly_uint64_pod *. (calculate_unrolling_factor): New function. (vect_analyze_slp_instance): Use it. Track polynomial max_nunits. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (_slp_instance::unrolling_factor): Change from an unsigned int to a poly_uint64. (_loop_vec_info::slp_unrolling_factor): Likewise. (_loop_vec_info::vectorization_factor): Change from an int to a poly_uint64. (MAX_VECTORIZATION_FACTOR): Bump from 64 to INT_MAX. (vect_get_num_vectors): New function. (vect_update_max_nunits, vect_vf_for_cost): Likewise. (vect_get_num_copies): Use vect_get_num_vectors. (vect_analyze_data_ref_dependences): Change max_vf from an int * to an unsigned int *. (vect_analyze_data_refs): Change min_vf from an int * to a poly_uint64 *. (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather than an unsigned HOST_WIDE_INT. * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr) (vect_analyze_data_ref_dependence): Change max_vf from an int * to an unsigned int *. (vect_analyze_data_ref_dependences): Likewise. (vect_compute_data_ref_alignment): Handle polynomial vf. (vect_enhance_data_refs_alignment): Likewise. (vect_prune_runtime_alias_test_list): Likewise. (vect_shift_permute_load_chain): Likewise. (vect_supportable_dr_alignment): Likewise. (dependence_distance_ge_vf): Take the vectorization factor as a poly_uint64 rather than an unsigned HOST_WIDE_INT. (vect_analyze_data_refs): Change min_vf from an int * to a poly_uint64 *. * tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Take vfm1 as a poly_uint64 rather than an int. Make the same change for the returned bound_scalar. (vect_gen_vector_loop_niters): Handle polynomial vf. (vect_do_peeling): Likewise. Update call to vect_gen_scalar_loop_niters and handle polynomial bound_scalars. (vect_gen_vector_loop_niters_mult_vf): Assert that the vf must be constant. * tree-vect-loop.c (vect_determine_vectorization_factor) (vect_update_vf_for_slp, vect_analyze_loop_2): Handle polynomial vf. (vect_get_known_peeling_cost): Likewise. (vect_estimate_min_profitable_iters, vectorizable_reduction): Likewise. (vect_worthwhile_without_simd_p, vectorizable_induction): Likewise. (vect_transform_loop): Likewise. Use the lowest possible VF when updating the upper bounds of the loop. (vect_min_worthwhile_factor): Make static. Return an unsigned int rather than an int. * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Cope with polynomial unroll factors. (vect_analyze_slp_cost_1, vect_analyze_slp_instance): Likewise. (vect_make_slp_decision): Likewise. (vect_supported_load_permutation_p): Likewise, and polynomial vf too. (vect_analyze_slp_cost): Handle polynomial vf. (vect_slp_analyze_node_operations): Likewise. (vect_slp_analyze_bb_1): Likewise. (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather than an unsigned HOST_WIDE_INT. * tree-vect-stmts.c (vectorizable_simd_clone_call, vectorizable_store) (vectorizable_load): Handle polynomial vf. * tree-vectorizer.c (simduid_to_vf::vf): Change from an int to a poly_uint64. (adjust_simduid_builtins, shrink_simd_arrays): Update accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * match.pd: Handle bit operations involving three constants and try to fold one pair. 2018-01-03 Richard Sandiford * tree-vect-loop-manip.c: Include gimple-fold.h. (slpeel_make_loop_iterate_ntimes): Add step, final_iv and niters_maybe_zero parameters. Handle other cases besides a step of 1. (vect_gen_vector_loop_niters): Add a step_vector_ptr parameter. Add a path that uses a step of VF instead of 1, but disable it for now. (vect_do_peeling): Add step_vector, niters_vector_mult_vf_var and niters_no_overflow parameters. Update calls to slpeel_make_loop_iterate_ntimes and vect_gen_vector_loop_niters. Create a new SSA name if the latter choses to use a ste other than zero, and return it via niters_vector_mult_vf_var. * tree-vect-loop.c (vect_transform_loop): Update calls to vect_do_peeling, vect_gen_vector_loop_niters and slpeel_make_loop_iterate_ntimes. * tree-vectorizer.h (slpeel_make_loop_iterate_ntimes, vect_do_peeling) (vect_gen_vector_loop_niters): Update declarations after above changes. 2018-01-02 Michael Meissner * config/rs6000/rs6000.md (floor2): Add support for IEEE 128-bit round to integer instructions. (ceil2): Likewise. (btrunc2): Likewise. (round2): Likewise. 2018-01-02 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_move): Allow the use of unaligned VSX load/store on P8/P9. (expand_block_clear): Allow the use of unaligned VSX load/store on P8/P9. 2018-01-02 Bill Schmidt * config/rs6000/rs6000-p8swap.c (swap_feeds_both_load_and_store): New function. (rs6000_analyze_swaps): Mark a web unoptimizable if it contains a swap associated with both a load and a store. 2018-01-02 Andrew Waterman * config/riscv/linux.h (ICACHE_FLUSH_FUNC): New. * config/riscv/riscv.md (clear_cache): Use it. 2018-01-02 Artyom Skrobov * web.c: Remove out-of-date comment. 2018-01-02 Richard Sandiford * expr.c (fixup_args_size_notes): Check that any existing REG_ARGS_SIZE notes are correct, and don't try to re-add them. (emit_single_push_insn_1): Move stack_pointer_delta adjustment to... (emit_single_push_insn): ...here. 2018-01-02 Richard Sandiford * rtl.h (CONST_VECTOR_ELT): Redefine to const_vector_elt. (const_vector_encoded_nelts): New function. (CONST_VECTOR_NUNITS): Redefine to use GET_MODE_NUNITS. (const_vector_int_elt, const_vector_elt): Declare. * emit-rtl.c (const_vector_int_elt_1): New function. (const_vector_elt): Likewise. * simplify-rtx.c (simplify_immed_subreg): Avoid taking the address of CONST_VECTOR_ELT. 2018-01-02 Richard Sandiford * expr.c: Include rtx-vector-builder.h. (const_vector_mask_from_tree): Use rtx_vector_builder and operate directly on the tree encoding. (const_vector_from_tree): Likewise. * optabs.c: Include rtx-vector-builder.h. (expand_vec_perm_var): Use rtx_vector_builder and create a repeating sequence of "u" values. * vec-perm-indices.c: Include rtx-vector-builder.h. (vec_perm_indices_to_rtx): Use rtx_vector_builder and operate directly on the vec_perm_indices encoding. 2018-01-02 Richard Sandiford * doc/rtl.texi (const_vector): Describe new encoding scheme. * Makefile.in (OBJS): Add rtx-vector-builder.o. * rtx-vector-builder.h: New file. * rtx-vector-builder.c: Likewise. * rtl.h (rtx_def::u2): Add a const_vector field. (CONST_VECTOR_NPATTERNS): New macro. (CONST_VECTOR_NELTS_PER_PATTERN): Likewise. (CONST_VECTOR_DUPLICATE_P): Likewise. (CONST_VECTOR_STEPPED_P): Likewise. (CONST_VECTOR_ENCODED_ELT): Likewise. (const_vec_duplicate_p): Check for a duplicated vector encoding. (unwrap_const_vec_duplicate): Likewise. (const_vec_series_p): Check for a non-duplicated vector encoding. Say that the function only returns true for integer vectors. * emit-rtl.c: Include rtx-vector-builder.h. (gen_const_vec_duplicate_1): Delete. (gen_const_vector): Call gen_const_vec_duplicate instead of gen_const_vec_duplicate_1. (const_vec_series_p_1): Operate directly on the CONST_VECTOR encoding. (gen_const_vec_duplicate): Use rtx_vector_builder. (gen_const_vec_series): Likewise. (gen_rtx_CONST_VECTOR): Likewise. * config/powerpcspe/powerpcspe.c: Include rtx-vector-builder.h. (swap_const_vector_halves): Take an rtx pointer rather than rtx. Build a new vector rather than modifying a CONST_VECTOR in-place. (handle_special_swappables): Update call accordingly. * config/rs6000/rs6000-p8swap.c: Include rtx-vector-builder.h. (swap_const_vector_halves): Take an rtx pointer rather than rtx. Build a new vector rather than modifying a CONST_VECTOR in-place. (handle_special_swappables): Update call accordingly. 2018-01-02 Richard Sandiford * simplify-rtx.c (simplify_const_binary_operation): Use CONST_VECTOR_ELT instead of XVECEXP. 2018-01-02 Richard Sandiford * tree-cfg.c (verify_gimple_assign_ternary): Allow the size of the selector elements to be different from the data elements if the selector is a VECTOR_CST. * tree-vect-stmts.c (vect_gen_perm_mask_any): Use a vector of ssizetype for the selector. 2018-01-02 Richard Sandiford * optabs.c (shift_amt_for_vec_perm_mask): Try using series_p before testing each element individually. * tree-vect-generic.c (lower_vec_perm): Likewise. 2018-01-02 Richard Sandiford * selftest.h (selftest::vec_perm_indices_c_tests): Declare. * selftest-run-tests.c (selftest::run_tests): Call it. * vector-builder.h (vector_builder::operator ==): New function. (vector_builder::operator !=): Likewise. * vec-perm-indices.h (vec_perm_indices::series_p): Declare. (vec_perm_indices::all_from_input_p): New function. * vec-perm-indices.c (vec_perm_indices::series_p): Likewise. (test_vec_perm_12, selftest::vec_perm_indices_c_tests): Likewise. * fold-const.c (fold_ternary_loc): Use tree_to_vec_perm_builder instead of reading the VECTOR_CST directly. Detect whether both vector inputs are the same before constructing the vec_perm_indices, and update the number of inputs argument accordingly. Use the utility functions added above. Only construct sel2 if we need to. 2018-01-02 Richard Sandiford * optabs.c (expand_vec_perm_var): Use an explicit encoding for the broadcast of the low byte. (expand_mult_highpart): Use an explicit encoding for the permutes. * optabs-query.c (can_mult_highpart_p): Likewise. * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_bswap): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Use an explicit encoding for the power-of-2 permutes. (vect_permute_store_chain): Likewise. (vect_grouped_load_supported): Likewise. (vect_permute_load_chain): Likewise. 2018-01-02 Richard Sandiford * vec-perm-indices.h (vec_perm_indices_to_tree): Declare. * vec-perm-indices.c (vec_perm_indices_to_tree): New function. * tree-ssa-forwprop.c (simplify_vector_constructor): Use it. * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (vectorizable_bswap): Likewise. (vect_gen_perm_mask_any): Likewise. 2018-01-02 Richard Sandiford * int-vector-builder.h: New file. * vec-perm-indices.h: Include int-vector-builder.h. (vec_perm_indices): Redefine as an int_vector_builder. (auto_vec_perm_indices): Delete. (vec_perm_builder): Redefine as a stand-alone class. (vec_perm_indices::vec_perm_indices): New function. (vec_perm_indices::clamp): Likewise. * vec-perm-indices.c: Include fold-const.h and tree-vector-builder.h. (vec_perm_indices::new_vector): New function. (vec_perm_indices::new_expanded_vector): Update for new vec_perm_indices class. (vec_perm_indices::rotate_inputs): New function. (vec_perm_indices::all_in_range_p): Operate directly on the encoded form, without computing elided elements. (tree_to_vec_perm_builder): Operate directly on the VECTOR_CST encoding. Update for new vec_perm_indices class. * optabs.c (expand_vec_perm_const): Create a vec_perm_indices for the given vec_perm_builder. (expand_vec_perm_var): Update vec_perm_builder constructor. (expand_mult_highpart): Use vec_perm_builder instead of auto_vec_perm_indices. * optabs-query.c (can_mult_highpart_p): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Use a single or double series encoding as appropriate. * fold-const.c (fold_ternary_loc): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_permute_store_chain): Likewise. (vect_grouped_load_supported): Likewise. (vect_permute_load_chain): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-slp.c (vect_build_slp_tree_1): Likewise. (vect_transform_slp_perm_load): Likewise. (vect_schedule_slp_instance): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_mask_load_store): Likewise. (vectorizable_bswap): Likewise. (vectorizable_store): Likewise. (vectorizable_load): Likewise. * tree-vect-generic.c (lower_vec_perm): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Use tree_to_vec_perm_builder to read the vector from a tree. * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Take a vec_perm_builder instead of a vec_perm_indices. (have_whole_vector_shift): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Leave the truncation to calc_vec_perm_mask_for_shift. (vect_create_epilog_for_reduction): Likewise. * config/aarch64/aarch64.c (expand_vec_perm_d::perm): Change from auto_vec_perm_indices to vec_perm_indices. (aarch64_expand_vec_perm_const_1): Use rotate_inputs on d.perm instead of changing individual elements. (aarch64_vectorize_vec_perm_const): Use new_vector to install the vector in d.perm. * config/arm/arm.c (expand_vec_perm_d::perm): Change from auto_vec_perm_indices to vec_perm_indices. (arm_expand_vec_perm_const_1): Use rotate_inputs on d.perm instead of changing individual elements. (arm_vectorize_vec_perm_const): Use new_vector to install the vector in d.perm. * config/powerpcspe/powerpcspe.c (rs6000_expand_extract_even): Update vec_perm_builder constructor. (rs6000_expand_interleave): Likewise. * config/rs6000/rs6000.c (rs6000_expand_extract_even): Likewise. (rs6000_expand_interleave): Likewise. 2018-01-02 Richard Sandiford * optabs-query.c (can_vec_perm_var_p): Check whether lowering to qimode could truncate the indices. * optabs.c (expand_vec_perm_var): Likewise. 2018-01-02 Richard Sandiford * Makefile.in (OBJS): Add vec-perm-indices.o. * vec-perm-indices.h: New file. * vec-perm-indices.c: Likewise. * target.h (vec_perm_indices): Replace with a forward class declaration. (auto_vec_perm_indices): Move to vec-perm-indices.h. * optabs.h: Include vec-perm-indices.h. (expand_vec_perm): Delete. (selector_fits_mode_p, expand_vec_perm_var): Declare. (expand_vec_perm_const): Declare. * target.def (vec_perm_const_ok): Replace with... (vec_perm_const): ...this new hook. * doc/tm.texi.in (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Replace with... (TARGET_VECTORIZE_VEC_PERM_CONST): ...this new hook. * doc/tm.texi: Regenerate. * optabs.def (vec_perm_const): Delete. * doc/md.texi (vec_perm_const): Likewise. (vec_perm): Refer to TARGET_VECTORIZE_VEC_PERM_CONST. * expr.c (expand_expr_real_2): Use expand_vec_perm_const rather than expand_vec_perm for constant permutation vectors. Assert that the mode of variable permutation vectors is the integer equivalent of the mode that is being permuted. * optabs-query.h (selector_fits_mode_p): Declare. * optabs-query.c: Include vec-perm-indices.h. (selector_fits_mode_p): New function. (can_vec_perm_const_p): Check whether targetm.vectorize.vec_perm_const is defined, instead of checking whether the vec_perm_const_optab exists. Use targetm.vectorize.vec_perm_const instead of targetm.vectorize.vec_perm_const_ok. Check whether the indices fit in the vector mode before using a variable permute. * optabs.c (shift_amt_for_vec_perm_mask): Take a mode and a vec_perm_indices instead of an rtx. (expand_vec_perm): Replace with... (expand_vec_perm_const): ...this new function. Take the selector as a vec_perm_indices rather than an rtx. Also take the mode of the selector. Update call to shift_amt_for_vec_perm_mask. Use targetm.vectorize.vec_perm_const instead of vec_perm_const_optab. Use vec_perm_indices::new_expanded_vector to expand the original selector into bytes. Check whether the indices fit in the vector mode before using a variable permute. (expand_vec_perm_var): Make global. (expand_mult_highpart): Use expand_vec_perm_const. * fold-const.c: Includes vec-perm-indices.h. * tree-ssa-forwprop.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm_const): Delete. * config/aarch64/aarch64-simd.md (vec_perm_const): Delete. * config/aarch64/aarch64.c (aarch64_expand_vec_perm_const) (aarch64_vectorize_vec_perm_const_ok): Fuse into... (aarch64_vectorize_vec_perm_const): ...this new function. (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. * config/arm/arm-protos.h (arm_expand_vec_perm_const): Delete. * config/arm/vec-common.md (vec_perm_const): Delete. * config/arm/arm.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (arm_expand_vec_perm_const, arm_vectorize_vec_perm_const_ok): Merge into... (arm_vectorize_vec_perm_const): ...this new function. Explicitly check for NEON modes. * config/i386/i386-protos.h (ix86_expand_vec_perm_const): Delete. * config/i386/sse.md (VEC_PERM_CONST, vec_perm_const): Delete. * config/i386/i386.c (ix86_expand_vec_perm_const_1): Update comment. (ix86_expand_vec_perm_const, ix86_vectorize_vec_perm_const_ok): Merge into... (ix86_vectorize_vec_perm_const): ...this new function. Incorporate the old VEC_PERM_CONST conditions. * config/ia64/ia64-protos.h (ia64_expand_vec_perm_const): Delete. * config/ia64/vect.md (vec_perm_const): Delete. * config/ia64/ia64.c (ia64_expand_vec_perm_const) (ia64_vectorize_vec_perm_const_ok): Merge into... (ia64_vectorize_vec_perm_const): ...this new function. * config/mips/loongson.md (vec_perm_const): Delete. * config/mips/mips-msa.md (vec_perm_const): Delete. * config/mips/mips-ps-3d.md (vec_perm_constv2sf): Delete. * config/mips/mips-protos.h (mips_expand_vec_perm_const): Delete. * config/mips/mips.c (mips_expand_vec_perm_const) (mips_vectorize_vec_perm_const_ok): Merge into... (mips_vectorize_vec_perm_const): ...this new function. * config/powerpcspe/altivec.md (vec_perm_constv16qi): Delete. * config/powerpcspe/paired.md (vec_perm_constv2sf): Delete. * config/powerpcspe/spe.md (vec_perm_constv2si): Delete. * config/powerpcspe/vsx.md (vec_perm_const): Delete. * config/powerpcspe/powerpcspe-protos.h (altivec_expand_vec_perm_const) (rs6000_expand_vec_perm_const): Delete. * config/powerpcspe/powerpcspe.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (altivec_expand_vec_perm_const_le): Take each operand individually. Operate on constant selectors rather than rtxes. (altivec_expand_vec_perm_const): Likewise. Update call to altivec_expand_vec_perm_const_le. (rs6000_expand_vec_perm_const): Delete. (rs6000_vectorize_vec_perm_const_ok): Delete. (rs6000_vectorize_vec_perm_const): New function. (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of an element count and rtx array. (rs6000_expand_extract_even): Update call accordingly. (rs6000_expand_interleave): Likewise. * config/rs6000/altivec.md (vec_perm_constv16qi): Delete. * config/rs6000/paired.md (vec_perm_constv2sf): Delete. * config/rs6000/vsx.md (vec_perm_const): Delete. * config/rs6000/rs6000-protos.h (altivec_expand_vec_perm_const) (rs6000_expand_vec_perm_const): Delete. * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (altivec_expand_vec_perm_const_le): Take each operand individually. Operate on constant selectors rather than rtxes. (altivec_expand_vec_perm_const): Likewise. Update call to altivec_expand_vec_perm_const_le. (rs6000_expand_vec_perm_const): Delete. (rs6000_vectorize_vec_perm_const_ok): Delete. (rs6000_vectorize_vec_perm_const): New function. Remove stray reference to the SPE evmerge intructions. (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of an element count and rtx array. (rs6000_expand_extract_even): Update call accordingly. (rs6000_expand_interleave): Likewise. * config/sparc/sparc.md (vec_perm_constv8qi): Delete in favor of... * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): ...this new function. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. 2018-01-02 Richard Sandiford * optabs.c (expand_vec_perm_1): Assert that SEL has an integer vector mode and that that mode matches the mode of the data being permuted. (expand_vec_perm): Split handling of non-CONST_VECTOR selectors out into expand_vec_perm_var. Do all CONST_VECTOR handling here, directly using expand_vec_perm_1 when forcing selectors into registers. (expand_vec_perm_var): New function, split out from expand_vec_perm. 2018-01-02 Richard Sandiford * optabs-query.h (can_vec_perm_p): Delete. (can_vec_perm_var_p, can_vec_perm_const_p): Declare. * optabs-query.c (can_vec_perm_p): Split into... (can_vec_perm_var_p, can_vec_perm_const_p): ...these two functions. (can_mult_highpart_p): Use can_vec_perm_const_p to test whether a particular selector is valid. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_grouped_load_supported): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-slp.c (vect_build_slp_tree_1): Likewise. (vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_bswap): Likewise. (vect_gen_perm_mask_checked): Likewise. * fold-const.c (fold_ternary_loc): Likewise. Don't take implementations of variable permutation vectors into account when deciding which selector to use. * tree-vect-loop.c (have_whole_vector_shift): Don't check whether vec_perm_const_optab is supported; instead use can_vec_perm_const_p with a false third argument. * tree-vect-generic.c (lower_vec_perm): Use can_vec_perm_const_p to test whether the constant selector is valid and can_vec_perm_var_p to test whether a variable selector is valid. 2018-01-02 Richard Sandiford * optabs-query.h (can_vec_perm_p): Take a const vec_perm_indices *. * optabs-query.c (can_vec_perm_p): Likewise. * fold-const.c (fold_vec_perm): Take a const vec_perm_indices & instead of vec_perm_indices. * tree-vectorizer.h (vect_gen_perm_mask_any): Likewise, (vect_gen_perm_mask_checked): Likewise, * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise, (vect_gen_perm_mask_checked): Likewise, 2018-01-02 Richard Sandiford * optabs-query.h (qimode_for_vec_perm): Declare. * optabs-query.c (can_vec_perm_p): Split out qimode search to... (qimode_for_vec_perm): ...this new function. * optabs.c (expand_vec_perm): Use qimode_for_vec_perm. 2018-01-02 Aaron Sawdey * rtlanal.c (canonicalize_condition): Return 0 if final rtx does not have a conditional at the top. 2018-01-02 Richard Biener * ipa-inline.c (big_speedup_p): Fix expression. 2018-01-02 Jan Hubicka PR target/81616 * config/i386/x86-tune-costs.h: Increase cost of integer load costs for generic 4->6. 2018-01-02 Jan Hubicka PR target/81616 Generic tuning. * x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17, cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14 and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase cond_taken_branch_cost 3->4. 2018-01-01 Jakub Jelinek PR tree-optimization/83581 * tree-loop-distribution.c (pass_loop_distribution::execute): Return TODO_cleanup_cfg if any changes have been made. PR middle-end/83608 * expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of convert_modes if target mode has the right side, but different mode class. PR middle-end/83609 * expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg last argument when extracting from CONCAT. If either from_real or from_imag is NULL, use expansion through memory. If result is not a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg the parts directly to inner mode, if even that fails, use expansion through memory. PR middle-end/83623 * expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT, check for bswap in mode rather than HImode and use that in expand_unop too. Copyright (C) 2018 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.