2012-12-27  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_deligitimze_address): Do not
	delegitimize TLS addresses on AIX.
	(rs6000_legitimize_tls_address_aix): Append TLS symbol qualifier.
	Set SYMBOL_FLAG_LOCAL on module symbol.
	(output_toc): Do not append TLS symbol qualifier here.
	* config/rs6000/rs6000.md (tls_get_addr_internal): Add GPR 4 to
	clobbers.

2012-12-27  Andreas Schwab  <schwab@linux-m68k.org>

	* target.def (supports_function_versions): Fix typo.

2012-12-26  Sriraman Tallam  <tmsriram@google.com>

	* doc/tm.texi.in (TARGET_OPTION_SUPPORTS_FUNCTION_VERSIONS): Document
	new target hook.
	* doc/tm.texi: Regenerate.
	* c-family/c-common.c (handle_target_attribute): Retain target attribute
	for targets that support versioning.
	* target.def (supports_function_versions): New hook.
	* cp/class.c (add_method): Remove calls
	to DECL_FUNCTION_SPECIFIC_TARGET.
	* config/i386/i386.c (ix86_function_versions): Use target string
	to check for function versions instead of target flags.
	* (ix86_supports_function_versions): New function.
	* (is_function_default_version): Check target string.
	* TARGET_OPTION_SUPPORTS_FUNCTION_VERSIONS: New macro.

2012-12-27  Steven Bosscher  <steven@gcc.gnu.org>

	* cgraph.c (verify_cgraph_node): Don't allocate/free visited_nodes set.

2012-12-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/53789
	* config/pa/pa.md (movsi): Reject expansion of TLS symbol references
	after reload starts.

2012-12-22  Jan Hubicka  <jh@suse.cz>

	PR lto/54728
	* cgraph.h (symtab_real_symbol_p): Drop code looking for external functions.
	* lto-streamer-out.c (output_symbol_p): New function.
	(produce_symtab) Use it.

2012-12-21  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55355
	* tree-sra.c (type_internals_preclude_sra_p): Also check that
	bit_position is small enough to fit a single HOST_WIDE_INT.

2012-12-21  Eric Botcazou  <ebotcazou@adacore.com>

	* rtlanal.c (volatile_insn_p): Delete commented out code.
	(side_effects_p): Likewise.
	(may_trap_p_1) <UNSPEC_VOLATILE>: Return 1 again.
	* target.def (unspec_may_trap_p): Adjust comment.
	* targhooks.c (default_unspec_may_trap_p): Don't handle UNSPEC_VOLATILE.
	* config/ia64/ia64.c (ia64_unspec_may_trap_p): Adjust to above change.

2012-12-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55775
	* lra-assigns.c (improve_inheritance): Do nothing after
	LRA_MAX_INHERITANCE_PASSES pass.
	* lra-constraints.c (MAX_CONSTRAINT_ITERATION_NUMBER): Rename to
	LRA_MAX_CONSTRAINT_ITERATION_NUMBER.  Move to lra-int.h.
	(MAX_INHERITANCE_PASSES): Rename to LRA_MAX_INHERITANCE_PASSES.
	Move to lra-int.h.
	* lra-int.h (LRA_MAX_CONSTRAINT_ITERATION_NUMBER): Move from
	lra-constraints.c.
	(LRA_MAX_INHERITANCE_PASSES): Ditto.

2012-12-21  Steve Ellcey  <sellcey@mips.com>

	PR bootstrap/54128
	* ira.c (build_insn_chain): Check only NONDEBUG instructions for
	register usage.

2012-12-21  David Edelsohn  <dje.gcc@gmail.com>

	* varasm.c (bss_initializer_p): Remove static.
	* output.h (bss_initializer_p): Declare.
	* xcoffout.c (xcoff_tbss_section_name): Define.
	* xcoffout.h (xcoff_tbss_section_name): Declare.
	* config/rs6000/xcoff.h (TARGET_ENCODE_SECTION_INFO): Define.
	(ASM_OUTPUT_TLS_COMMON): Merge strings.
	* config/rs6000/rs6000.c (tls_private_data_section): New.
	(output_toc): Only output CSECT decoration for TLS.
	Output appropriate CSECT for data or bss.
	(rs6000_xcoff_asm_init_sections) Define tls_private_data_section.
	(rs6000_xcoff_select_section): Handle TLS bss and private data.
	(rs6000_xcoff_file_start): Generate xcoff_tbss_section_name.
	(rs6000_xcoff_encode_section_info): Strip SYMBOL_FLAG_HAS_BLOCK_INFO
	from native TLS symbols.

2012-12-21  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/52996
	* cprop.c (bypass_block): When loops are to be preserved
	do not bypass loop headers.  Revert earlier kludge to remove
	loops when doing that.

2012-12-21  Richard Biener  <rguenther@suse.de>

	PR bootstrap/54659
	* system.h: Include gmp.h.
	* tree-ssa-loop-niter.c: Do not include gmp.h here.
	* double-int.h: Likewise.
	* realmpfr.h: Likewise.

2012-12-21  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/cortex-a7.md: New file.
        * config/arm/t-arm (MD_INCLUDES): Add cortex-a7.md.
        * config/arm/arm.md: Include cortex-a7.md.
        (generic_sched): Don't use generic scheduler for Cortex-A7.
        (generic_vfp): Likewise.
        * config/arm/arm.c: (TARGET_SCHED_REORDER): Use arm_sched_reorder.
        (arm_sched_reorder,cortexa7_sched_reorder): New function.
        (cortexa7_older_only,cortexa7_younger): Likewise.
        (arm_issue_rate): Add Cortex-A7.

2012-12-20  Ian Bolton  <ian.bolton@arm.com>

	* gcc/config/aarch64/aarch64.md
	(*addsi3_aarch64_uxtw): New pattern.
	(*addsi3_compare0_uxtw): New pattern.
	(*add_<shift>_si_uxtw): New pattern.
	(*add_<optab><SHORT:mode>_si_uxtw): New pattern.
	(*add_<optab><SHORT:mode>_shft_si_uxtw): New pattern.
	(*add_<optab><SHORT:mode>_mult_si_uxtw): New pattern.
	(*add_<optab>si_multp2_uxtw): New pattern.
	(*addsi3_carryin_uxtw): New pattern.
	(*addsi3_carryin_alt1_uxtw): New pattern.
	(*addsi3_carryin_alt2_uxtw): New pattern.
	(*addsi3_carryin_alt3_uxtw): New pattern.
	(*add_uxtsi_multp2_uxtw): New pattern.
	(*subsi3_uxtw): New pattern.
	(*subsi3_compare0_uxtw): New pattern.
	(*sub_<shift>_si_uxtw): New pattern.
	(*sub_mul_imm_si_uxtw): New pattern.
	(*sub_<optab><SHORT:mode>_si_uxtw): New pattern.
	(*sub_<optab><SHORT:mode>_shft_si_uxtw): New pattern.
	(*sub_<optab>si_multp2_uxtw): New pattern.
	(*sub_uxtsi_multp2_uxtw): New pattern.
	(*negsi2_uxtw): New pattern.
	(*negsi2_compare0_uxtw): New pattern.
	(*neg_<shift>_si2_uxtw): New pattern.
	(*neg_mul_imm_si2_uxtw): New pattern.
	(*mulsi3_uxtw): New pattern.
	(*maddsi_uxtw): New pattern.
	(*msubsi_uxtw): New pattern.
	(*mulsi_neg_uxtw): New pattern.
	(*<su_optab>divsi3_uxtw): New pattern.

2012-12-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/55750
	* gimplify.c (gimplify_self_mod_expr): Don't force lvalue to
	pass is_gimple_min_lval.

2012-12-20  Richard Henderson  <rth@redhat.com>
	    Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/constraints.md (NxxDq, NxxSq): New.
	* config/s390/predicates.md (contiguous_bitmask_operand): New.
	* config/s390/s390.c (print_operand) ['e', 'f', 's', 't']: New
	operand letters.
	* config/s390/s390.md (bfstart, bfend): New mode attrs.
	(*insv<GPR>_zEC12_noshift): Use them.
	(*insv<GPR>_z10_noshift): Likewise.
	(*insv<GPR>_or_z10_noshift): Likewise.

	* config/s390/s390.md (*insv_l_di_reg_extimm): Un-macroize from :P.

	* config/s390/s390.md (*anddi3_cc): Add risbg alternative.
	(*anddi3_cconly, *anddi3): Likewise.
	(*andsi3, *andsi3_cconly, *andsi3_zarch): Likewise.

	* config/s390/s390.md (bitsize): New mode attr.
	(*extzv<GPR>, *extzv<GPR>, *insv<GPR>_zEC12, *insv<GPR>_z10): Use it.
	(extend<HQI><DSI>2, zero_extend<HQI>si2): Likewise.
	(zero_extend<HQI>di2, fixuns_trunc<BFP><GPR>2): Likewise.

	* config/s390/predicates.md (nonzero_shift_count_operand): New.
	* config/s390/s390-protos.h (s390_extzv_shift_ok): Declare.
	* config/s390/s390.c (s390_extzv_shift_ok): New function.
	* config/s390/s390.md (extzv): New expander.
	(*extzv<GPR>_zEC12, *extzv<GPR>_z10): New insns.
	(*pre_z10_extzv<GPR>): Rename from *extzv<GPR>; simplify with
	nonzero_shift_count_operand.
	(*extzv_<GPR>_srl, *extzv_<GPR>_sll): New insns.

	* config/s390/s390.md (IXOR): New code iterator.
	(*r<IXOR>sbg_<GPR>_noshift): Rename from *insv<GPR>_or_z10_noshift;
	macro-ize to handle XOR too.
	(*r<IXOR>sbg_di_rotl, *r<IXOR>sbg_<GPR>_srl, *r<IXOR>sbg_<GPR>_sll):
	New patterns.

	* config/s390/s390.md (*insv_rnsbg_noshift, *insv_rnsbg_srl): New.

2012-12-20  Thomas Schwinge  <thomas@codesourcery.com>

	PR bootstrap/55202
	* configure.ac <PLUGIN_LD_SUFFIX>: Use POSIX shell syntax.
	* configure: Regenerate.

2012-12-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/55754
	* config/arm/arm.c (arm_canonicalize_comparison): Remove
	op0_preserve_value check for zero_extend to and transformation.

2012-12-20  Teresa Johnson  <tejohnson@google.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/55734
	* gcov-io.c (gcov_read_summary): Use __builtin_popcount instead
	of __builtin_popcountll when building libgcov.a, otherwise use
	popcount_hwi.
	(gcov_histo_index): When not building libgcov.a, use floor_log2
	instead of __builtin_clzll.

2012-12-20  Richard Biener  <rguenther@suse.de>

	PR middle-end/55740
	* cfghooks.c (merge_blocks): Properly handle merging of
	two loop headers.

2012-12-20  Roland Stigge  <stigge@debian.org>
	    Matthias Klose  <doko@ubuntu.com>

	* config/rs6000/t-spe (MULTIARCH_DIRNAME): Remove.
	* config/rs6000/t-linux (MULTIARCH_DIRNAME): Define name for
	powerpc-linux-gnuspe.

2012-12-19  Matthias Klose  <doko@ubuntu.com>

	* config/i386/t-kfreebsd (MULTIARCH_DIRNAME): Add comma to
	separate arguments in make function.

2012-12-19  Uros Bizjak  <ubizjak@gmail.com>
	    Yuri Rumyantsev  <ysrumyan@gmail.com>

	* config/i386/i386.h (enum ix86_tune_indices): Add
	X86_TUNE_AVOID_MEM_OPND_FOR_CMOVE.
	(TARGET_AVOID_MEM_OPND_FOR_CMOVE): New define.
	* config/i386/i386.c (initial_ix86_tune_features)
	<X86TUNE_AVOID_MEM_OPND_FOR_CMOVE>: Initialize.
	* config/i386/i386.md (splitters to avoid cmove memory operands): New.
	(peephole2s to avoid cmove memory operands): New.

2012-12-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (f_minmaxs, f_minmaxd): New types.
	* config/arm/vfp.md (smax<mode>3): New pattern.
	(smin<mode>3): Likewise.

2012-12-19  Richard Biener  <rguenther@suse.de>

	* targhooks.h (default_canonicalize_comparison): Fix prototype.
	* targhooks.c (default_canonicalize_comparison): Define.

2012-12-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55736
	PR tree-optimization/55703
	* gimplify.c (prune_expr_location): New function.
	(unshare_expr_without_location): Likewise.
	* tree.h (unshare_expr_without_location): Declare.
	* ipa-prop.c (prune_expression_for_jf): Remove.
	(prune_expression_for_jf_1): Likewise.
	(ipa_set_jf_constant): Use unshare_expr_without_location.
	(ipa_set_jf_arith_pass_through): Likewise.
	(determine_known_aggregate_parts): Likewise.
	* tree-switch-conversion.c (build_constructors): Use
	unshare_expr_without_location on all constructor elements.

2012-12-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* target.def: Define canonicalize_comparison hook.
	* targhooks.h (default_canonicalize_comparison): New prototype.
	* targhooks.c (default_canonicalize_comparison): New function.
	* doc/tm.texi: Add documentation for the new target hook.
	* doc/tm.texi.in: Likewise.
	* combine.c (try_combine): Adjust to use the target hook.
	* config/alpha/alpha.h (CANONICALIZE_COMPARISON): Remove macro
	definition.
	* config/alpha/alpha.c (alpha_canonicalize_comparison): New function.
	(TARGET_CANONICALIZE_COMPARISON): New macro definition.
	* config/arm/arm-protos.h (arm_canonicalize_comparison): Remove
	prototype.
	* config/arm/arm.c (arm_canonicalize_comparison): Add new parameter.
	(TARGET_CANONICALIZE_COMPARISON): New macro definition.
	* config/arm/arm.h (CANONICALIZE_COMPARISON): Remove macro definition.
	* config/s390/s390-protos.h (s390_canonicalize_comparison): Remove
	prototype.
	* config/s390/s390.c (s390_canonicalize_comparison): Add new parameter.
	(TARGET_CANONICALIZE_COMPARISON): New macro definition.
	* config/s390/s390.h (CANONICALIZE_COMPARISON): Remove macro definition.
	* config/sh/sh-protos.h (sh_canonicalize_comparison): Remove prototype.
	* config/sh/sh.c (sh_canonicalize_comparison): Add new prototype.  New
	function overloading the old one.
	(TARGET_CANONICALIZE_COMPARISON): New macro definition.
	* config/sh/sh.h (CANONICALIZE_COMPARISON): Remove macro definition.
	* config/spu/spu.c (spu_canonicalize_comparison): New function.
	(TARGET_CANONICALIZE_COMPARISON): New macro definition.
	* config/spu/spu.h (CANONICALIZE_COMPARISON): Remove macro definition.

2012-12-19  Jakub Jelinek  <jakub@redhat.com>

	PR debug/55730
	* dwarf2out.c (mem_loc_descriptor): Ignore CLOBBER.
	* valtrack.c (gen_lowpart_for_debug): New function.
	(propagate_for_debug): Temporarily set rtl_hooks.gen_lowpart_no_emit
	to gen_lowpart_for_debug.

2012-12-18  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/55683
	* ipa-prop.c (try_make_edge_direct_virtual_call): Look into constants
	for binfo.

2012-12-19  Terry Guo  <terry.guo@arm.com>

	* config/arm/arm.c (thumb_find_work_register): Check argument
	register number based on current PCS.

2012-12-18  Jakub Jelinek  <jakub@redhat.com>

	PR target/55562
	* sbitmap.c (bitmap_and, bitmap_xor, bitmap_ior): Return whether
	dst sbitmap changed even if it doesn't have popcount.

2012-12-18  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.md (insv_imm<mode>): Add modes
	for source operands.

2012-12-18  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_attr_length_move):
	Remove unused variables.
	(aarch64_split_compare_and_swap): Likewise.

2012-12-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/driver-arm.c (arm_cpu_table): Add Cortex-A7.

2012-12-18  Aldy Hernandez  <aldyh@redhat.com>

	PR other/54324
	* doc/install.texi (Tools/packages necessary for building GCC):
	Suggest --disable-stage1-checking for older GCC's.

2012-12-18  Aldy Hernandez  <aldyh@redhat.com>

	PR other/54324
	* tree-ssa-coalesce.c (struct ssa_name_var_hash): Remove "union"
	from template parameter.

2012-12-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/54838
	* cfgloopmanip.c (fix_loop_structure): Re-discover latch
	edges first and mark loops for removal if no latch edges remain.
	Properly re-create LOOPS_HAVE_FALLTHRU_PREHEADERS.
	* loop-init.c (loop_optimizer_finalize): Set
	LOOPS_MAY_HAVE_MULTIPLE_LATCHES.

2012-12-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55555
	* tree-ssa-loop-niter.c (idx_infer_loop_bounds): Properly
	analyze evolution of the index for the loop it is used in.
	* tree-scalar-evolution.c (instantiate_scev_name): Take
	inner loop we will be creating a chrec for.  Generalize
	fix for PR40281 and prune invalid SCEVs.
	(instantiate_scev_poly): Likewise - pass down inner loop
	we will be creating a chrec for.
	(instantiate_scev_binary): Take and pass through inner loop.
	(instantiate_array_ref): Likewise.
	(instantiate_scev_convert): Likewise.
	(instantiate_scev_not): Likewise.
	(instantiate_scev_3): Likewise.
	(instantiate_scev_2): Likewise.
	(instantiate_scev_1): Likewise.
	(instantiate_scev_r): Likewise.
	(resolve_mixers): Adjust.
	(instantiate_scev): Likewise.

2012-12-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/55717
	* rtlhooks-def.h (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Define to
	gen_lowpart_if_possible.
	(gen_lowpart_no_emit_general): Remove prototype.
	* rtlhooks.c (gen_lowpart_no_emit_general): Removed.
	* simplify-rtx.c (simplify_unary_operation_1,
	simplify_binary_operation_1): Continue simplifying if
	rtl_hooks.gen_lowpart_no_emit returns NULL_RTX.
	* dwarf2out.c (mem_loc_descriptor) <case TRUNCATE>: Handle
	truncation like lowpart SUBREG.

2012-12-17  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi (Contributors): Update Kaveh Ghazi's entry;
	remove broken link to Rutgers University.

2012-12-17  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

	* varasm.c (pending_assemble_externals_processed): Guard
	with ASM_OUTPUT_EXTERNAL.

2012-12-17  Andrew Stubbs  <ams@codesourcery.com>
	    Ulrich Weigand  <ulrich.weigand@linaro.org>

	* config/arm/arm.md (zero_extend<mode>di2): Add extra alternatives
	for NEON registers.
	Add alternative for one-instruction extend-in-place.
	(extend<mode>di2): Likewise.
	Add constraints for Thumb-mode memory loads.
	Prevent extend splitters doing NEON alternatives.
	* config/arm/iterators.md (qhs_extenddi_cstr, qhs_zextenddi_cstr):
	Adjust constraints to add new alternatives.
	* config/arm/neon.md: Add splitters for zero- and sign-extend.

2012-12-17  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (type): Add "simple_alu_shift" to attribute "type".
	(core_cycles): Update for simple_alu_shift.
	(thumb1_zero_extendhisi2,arm_zero_extendhisi2_v6): Use simple_alu_shift
	instead of a CPU-speicific condition for "type" attribute.
	(thumb1_zero_extendqisi2_v6,arm_zero_extendqisi2_v6): Likewise.
	(thumb1_extendhisi2,arm_extendhisi2_v6,arm_extendqisi_v6): Likewise.
	(thumb1_extendqisi2): Likewise.
	* config/arm/thumb2.md (thumb2_extendqisi_v6): Likewise.
	(thumb2_zero_extendhisi2_v6,thumb2_zero_extendqisi2_v6) Likewise.
	* config/arm/arm1020e.md (alu_shift_op): Use simple_alu_shift.
	* config/arm/arm1026ejs.md (alu_shift_op): Likewise.
	* config/arm/arm1136jfs.md (11_alu_shift_op): Likewise.
	* config/arm/arm926ejs.md (9_alu_op): Likewise.
	* config/arm/cortex-a15.md (cortex_a15_alu_shift): Likewise.
	* config/arm/cortex-a5.md (cortex_a5_alu_shift): Likewise.
	* config/arm/cortex-a8.md (cortex_a8_alu_shift,cortex_a8_mov): Likewise.
	* config/arm/cortex-a9.md (cortex_a9_dp,cortex_a9_dp_shift): Likewise.
	* config/arm/cortex-m4.md (cortex_m4_alu): Likewise.
	* config/arm/cortex-r4.md (cortex_r4_alu_shift): Likewise.
	* config/arm/fa526.md (526_alu_shift_op): Likewise.
	* config/arm/fa606te.md (fa606te_core): Likewise.
	* config/arm/fa626te.md (626te_alu_shift_op): Likewise.
	* config/arm/fa726te.md (726te_alu_shift_op): Likewise.
	* config/arm/fmp626.md (mp626_alu_shift_op): Likewise.

2012-12-17  Richard Biener  <rguenther@suse.de>

	PR middle-end/54781
	* alias.c (ao_ref_from_mem): More appropriately constrain the
	base object we feed to the tree oracle.  Remove dead code.

2012-12-17  James Greenhalgh  <james.greenhalgh@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64.c
	(aarch64_autovectorize_vector_sizes): New.
	(TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.

2012-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/55709
	Forward port from 4.7 branch:
	2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/52894
	* varasm.c (process_pending_assemble_externals): Set
	pending_assemble_externals_processed true.
	(assemble_external): Call assemble_external_real if the pending
	assemble externals have been processed.

2012-12-16  Eric Botcazou  <ebotcazou@adacore.com>
	    Tomash Brechko  <tomash.brechko@gmail.com>

	PR target/55673
	* config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
	handling of before and after cases.
	* config/sparc/sync.md (atomic_store): Fix pasto.

2012-12-16  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/55630
	* expr.c (expand_assignment): Do not call copy_blkmode_to_reg to move
	BLKmode return values to the return register.

2012-12-15  Alexandre Oliva <aoliva@redhat.com>

	PR libmudflap/53952
	* expr.c (mem_ref_refers_to_non_mem_p): Factor out
	implementation into...
	(addr_expr_of_non_mem_decl_p_1): ... this new function.
	(addr_expr_of_non_mem_decl_p): New.
	* tree.h (addr_expr_of_non_mem_decl_p): Declare.
	* tree-mudflap.c (mf_xform_derefs_1): Don't change MEM_REFs
	and TARGET_MEM_REFs that have an ADDR_EXPR of a non-mem DECL
	as base operand.

2012-12-14  Yvan Roux  <yvan.roux@linaro.org>

	* optabs.c (expand_atomic_store): Elide redundant model test.

2012-12-14  Teresa Johnson  <tejohnson@google.com>

	PR gcov-profile/55674
	* lto-cgraph.c (merge_profile_summaries): Set min correctly the
	first time we merge into a histogram entry.

2012-12-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55684
	* tree-ssa-loop-ivcanon.c (remove_redundant_iv_tests): Handle
	gracefully the case where we cannot compute the number of
	iterations at an exit.

2012-12-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55687
	* tree-chrec.h (no_evolution_in_loop_p): Properly use
	tree_contains_chrecs.

2012-12-13  Richard Henderson  <rth@redhat.com>

	PR middle-end/55492
	* optabs.c (expand_atomic_load): Emit acquire barrier after the load.

2012-12-13  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (alpha_pad_function_end): Consider barriers
	when looking for NOTE_INSN_CALL_ARG_LOCATION.

2012-12-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/53476
	* varpool.c (varpool_remove_unreferenced_decls): Revert to 4.7
	behavior.

2012-12-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/unspecs.md: Add copyright notice.

2012-12-13  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-threadedge.c (propagate_threaded_block_debug_into): Avoid
	-Wsign-compare warning.

2012-12-13  Richard Biener  <rguenther@suse.de>

	PR lto/55660
	* tree-streamer.c (record_common_node): Check that we are not
	recursively pre-loading nodes we want to skip.  Handle
	char_type_node appearing as part of va_list_type_node.

2012-12-13  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/55650
	* coverage.c (coverage_obj_init): Return false if no functions
	are being emitted.

2012-12-13  Steven Bosscher  <steven@gcc.gnu.org>

	* bitmap.c (struct bitmap_descriptor): Remove forward declaration.
	(struct bitmap_head_def): Remove desc pointer.  Add descriptor_id
	field.  Reorder fields for pointer alignment.
	* bitmap.c: Include vec.h.
	(struct bitmap_descriptor): Rename to bitmap_descriptor_d.
	(bitmap_descriptor): New typedef, pointer to bitmap_descriptor_d.
	Update all struct bitmap_descriptor references.
	(next_bitmap_desc_id): New running index for bitmap desciptors.
	(bitmap_descriptors): Vec of all bitmap descriptors by descriptor id.
	(hash_descriptor, eq_descriptor): Update for struct bitmap_descriptor
	change.
	(bitmap_descriptor): Rename function to get_bitmap_descriptor.
	Stuff newly allocated bitmap descriptor into bitmap_descriptors.
	Set the bitmap descriptor id.
	(bitmap_register): Lookup bitmap desciptor and store its ID in
	the passed bitmap.
	(register_overhead): Likewise.
	(bitmap_find_bit): Lookup descriptor by id in bitmap_descriptors.
	(print_statistics): Update for struct bitmap_descriptor change.

	* Makefile.in: Fix bitmap.o dependencies.

2012-12-13  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (get_representative_for): Adjust dumping.
	Mark created SSA names for release.
	(eliminate_bb): Insert only when expr is not NULL.

2012-12-12  Jakub Jelinek  <jakub@redhat.com>

	PR debug/55665
	* tree-inline.c (remap_decls): Change nonlocalized_list
	to pointer to pointer to vector from pointer to vector.
	(remap_block): Pass address of BLOCK_NONLOCALIZED_VARS.

	PR sanitizer/55508
	* builtin-attrs.def (ATTR_TMPURE_NOTHROW_LEAF_LIST,
	ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST): New.
	* asan.c (ATTR_TMPURE_NOTHROW_LEAF_LIST,
	ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST): Define.
	* sanitizer.def: Make __asan_report_* and __asan_handle_no_return
	builtins tm pure.

2012-12-12  Steve Ellcey  <sellcey@mips.com>

	* config/mips/mips.c (mips_option_override): Set
	mips_dbx_regno entries to IGNORED_DWARF_REGNUM by default.

2012-12-12  Steven Bosscher  <steven@gcc.gnu.org>

	* graph.c: Include sbitmap.h and cfgloop.h.
	(draw_cfg_nodes_no_loops): New function to dump basic blocks in
	topological order if the function does not have a loop tree.
	Handle unreachable blocks also.
	(draw_cfg_nodes_for_loop): New function to dump basic blocks in
	one loop tree node as a named cluster of nodes.
	(draw_cfg_nodes): New function to draw all CFG nodes.
	(draw_cfg_edges): New function to draw all CFG edges.
	(print_graph_cfg): Simplify using the new functions.
	* Makefile.in (graph.o): Fix dependencies.

2012-12-12  Steven Bosscher  <steven@gcc.gnu.org>

	* dumpfile.h (enum tree_dump_index): Remove TDI_vcg.
	* dumpfile.c (dump_files[]): Remove entry for TDI_vcg.
	* tree-cfg.c (gimple_cfg2vcg): Remove.
	(build_gimple_cfg): Don't call it.
	* doc/invoke.texi (-fdump-tree-vcg): Remove documentation.
	Correct GraphViz documentation, it does handle multiple functions
	in a single dump.

2012-12-12  Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/55481
	* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall
	back to general rewriting if we cannot leave an original biv
	definition alone.

2012-12-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/55659
	Revert
	2012-12-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/43631
	* var-tracking.c (emit_note_insn_var_location): If insn is followed
	by BARRIER, put note after the BARRIER.
	(next_non_note_insn_var_location): Skip over BARRIERs.
	(emit_notes_in_bb): If call is followed by BARRIER, put note after
	the BARRIER.

	2012-12-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/43631
	* var-tracking.c (emit_note_insn_var_location, emit_notes_in_bb):
	Clear BLOCK_FOR_INSN on notes emitted in between basic blocks,
	don't adjust BB_END when inserting note after BB_END of some bb.

2012-12-12  Steven Bosscher  <steven@gcc.gnu.org>
	    Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52640
	* varasm.c (pending_assemble_externals_set): New pointer set.
	(process_pending_assemble_externals): Destroy the pointer set.
	(assemble_external): See if decl is in pending_assemble_externals_set,
	and add it to pending_assemble_externals if necessary.
	(init_varasm_once): Allocate pending_assemble_externals_set.

2012-12-12  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/55633
	* tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk):
	Ignore bounds on which bound += double_int_one overflowed.

2012-12-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/54121
	* config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
	(tldo_stb_sp64): Likewise.
	(tldo_sth_sp32): Likewise.
	(tldo_sth_sp64): Likewise.
	(tldo_stw_sp32): Likewise.
	(tldo_stw_sp64): Likewise.
	(tldo_stx_sp64): Likewise.

2012-12-11  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/55193
	* lra-constraints.c (loc_equivalence_callback): New function.
	(lra_constraints): Call simplify_replace_fn_rtx instead of
	loc_equivalence_change_p on DEBUG_INSNs.

2012-12-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/55642
	* config/arm/thumb2.md (*thumb2_abssi2):
	Set ce_count attribute to 2.
	(*thumb2_neg_abssi2): Likewise.

2012-12-11  Jakub Jelinek  <jakub@redhat.com>

	* varasm.c (get_variable_section): Don't return lcomm_section
	for asan_protect_global decls.
	* asan.c (asan_protect_global): Only avoid public common variables.
	Don't call get_variable_section here.

	PR middle-end/43631
	PR bootstrap/55615
	* var-tracking.c (emit_note_insn_var_location): If insn is followed
	by BARRIER, put note after the BARRIER.
	(next_non_note_insn_var_location): Skip over BARRIERs.
	(emit_notes_in_bb): If call is followed by BARRIER, put note after
	the BARRIER.

	* sanitizer.def: Add comment about importance of ordering of
	BUILT_IN_ASAN_REPORT* builtins.
	* cfgcleanup.c (old_insns_match_p): Don't cross-jump __asan_report_*
	builtins.

	* sanitizer.def (BUILT_IN_ASAN_HANDLE_NO_RETURN): New builtin.
	* asan.c (instrument_builtin_call): Change is_gimple_builtin_call
	gcc_assert to gcc_checking_assert.
	(maybe_instrument_call): Imit __builtin___asan_handle_no_return ()
	before noreturn calls other than __builtin_trap () and
	__builtin_unreachable ().

2012-12-11  Richard Biener  <rguenther@suse.de>

	PR other/54324
	* doc/install.texi (Tools/packages necessary for building GCC):
	State ISO C++98 host compiler requirement.  Increment minimum
	GCC version required for building all languages for a cross-compiler
	to 3.4 or later.

2012-12-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55079
	* tree-vrp.c (extract_range_from_binary_expr_1): Handle MAX/MIN_EXPR
	for more cases.
	(register_edge_assert_for_2): Register asserts for post-in/decrement
	tests.
	(check_array_ref): Dump what expression we emit array bound
	warnings for.
	(search_for_addr_array): Likewise.

2012-12-11  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-loop-ivopts.c (prepare_decl_rtl) <ADDR_EXPR>: Generate RTL
	only for a DECL which HAS_RTL_P.

2012-12-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/predicates.md ("execute_operation"): New predicate.
	* config/s390/s390.md ("*execute_rl", "*execute"): Use the new
	predicate.

2012-12-10  Xinliang David Li  <davidxl@google.com>

	* config/i386/i386.c: Enable push/pop in pro/epilogue for modern CPUs.

2012-12-10  Steve Ellcey  <sellcey@mips.com>

	* config/mips/gnu-user.h (NO_SHARED_SPECS): Add space before option.

2012-12-10  Steve Ellcey  <sellcey@mips.com>

	PR target/54061
	* rtl.h (IGNORED_DWARF_REGNUM): New.
	* dwarf2out.c (reg_loc_descriptor): Check for IGNORED_DWARF_REGNUM.
	(mem_loc_descriptor): Ditto.
	* config/mips/mips.h (ALL_COP_REG_FIRST): New.
	(ALL_COP_REG_LAST): New.
	(ALL_COP_REG_NUM): Redefine using above macros.
	* config/mips/mips.c (mips_option_override): Set mips_dbx_regno
	coprocessor entries to IGNORED_DWARF_REGNUM.

2012-12-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/55466
	* lto-symtab.c (lto_symtab_merge_decls_1): Don't record the
	prevailing variable.

2012-12-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55107
	* tree-ssa-pre.c (struct pre_stats): Remove constified field.
	(bitmap_set_replace_value): Add gcc_unreachable.
	(do_regular_insertion): Re-write all_same handling.  Insert
	an assignment instead of a PHI in this case.
	(eliminate_bb): Record availability also for SSA names defined
	by a constant.
	(do_pre): Do not record constified events.
	(execute_fre): Likewise.

2012-12-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/spu/spu.md: Replace "operands" with "operands != NULL" in
	insn conditions.

2012-12-10  Jakub Jelinek  <jakub@redhat.com>

	* asan.c (asan_init_shadow_ptr_types): Move earlier in the file.
	Call initialize_sanitizer_builtins at the end.
	(asan_pp_string): Use TREE_TYPE (shadow_ptr_types[0])
	as character type instead of char_type_node.
	(asan_emit_stack_protection): Call asan_init_shadow_ptr_types
	if shadow_ptr_types isn't initialized.
	(asan_protect_global): Return true for STRING_CSTs except those
	created by asan_pp_string.
	(count_string_csts, add_string_csts): New functions.
	(struct asan_add_string_csts_data): New type.
	(asan_finish_file): Clear flag_asan at the beginning, restore at the
	end.  Traverse constant_pool_htab () to look for protected
	STRING_CSTs.  Don't call initialize_sanitizer_builtins,
	instead call asan_init_shadow_ptr_types if shadow_ptr_types isn't
	initialized yet.
	(asan_instrument): Don't call initialize_sanitizer_builtins.
	* varasm.c (output_constant_def_contents): If STRING_CST should be
	asan protected, align it sufficiently and emit padding after it.
	(categorize_decl_for_section): If flag_asan, don't put STRING_CSTs
	that should be asan protected into mergeable sections.  For
	-fmerge-all-constants, ignore it for -fmudflap or if decl is
	asan protected.

2012-12-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/neon.ml (opcode): Add Vrintn, Vrinta, Vrintp, Vrintm,
	Vrintz to type.
	(type features): Add Requires_arch type constructor.
	(ops): Define Vrintn, Vrinta, Vrintp, Vrintm, Vrintz features.
	* config/arm/neon-docgen.ml (intrinsic_groups): Define Vrintn,
	Vrinta, Vrintp, Vrintm, Vrintz, Vrintx.
	* config/arm/neon-testgen.ml (effective_target): Define check for
	Requires_arch 8.
	* config/arm/neon-gen.ml (print_feature_test_start): Handle
	Requires_arch.
	(print_feature_test_end): Likewise.
	Add 2012 to Copyright notice.
	* doc/arm-neon-intrinsics.texi: Regenerate.
	* config/arm/arm_neon.h: Regenerate.

2012-12-10 Kai Tietz  <ktietz@redhat.com>

	* stmt.c (expand_sjlj_dispatch_table): Fix off by one.

	PR target/53912
	* stmt.c (compute_cases_per_edge): Cast from pointer via intptr_t.
	(expand_case): Likewise.

	PR target/53912
	* print-tree.c (print_node): Cast from pointer via uintptr_t.

2012-12-10  Jakub Jelinek  <jakub@redhat.com>

	* asan.c (instrument_derefs): Handle bitfield COMPONENT_REFs
	accesses as reads/writes to their DECL_BIT_FIELD_REPRESENTATIVE.

2012-12-08  Eric Botcazou  <ebotcazou@adacore.com>

	* lto-streamer-out.c (lto_write_tree): Do not reset the DECL_INITIAL of
	variables in the global constant pool.

2012-12-08  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/55158
	* sched-rgn.c (bb_state_array, bb_state): Add some explaining
	comment, and initialize to NULL explicitly.
	(realloc_bb_state_array): New function.
	(free_bb_state_array): New function.
	(schedule_region): Call realloc_bb_state_array after schedule_block.
	(sched_rgn_init): Use realloc_bb_state_array to initialize bb_state.
	(sched_rgn_finish): Use free_bb_state_array to free it.

2012-12-08  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-loop-im.c (for_each_index) <CONST_DECL>: New case.

2012-12-07  Sriraman Tallan  <tmsriram@google.com>

	* toplev.c (process_options): Do not warn when -ffunction-sections
	and -fprofile are used together.

2012-12-07  Steven Bosscher  <steven@gcc.gnu.org>

	* ree.c (struct ext_cand): Remove GTY markers.

2012-12-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55141
	* lra-constraints.c (lra_constraints): Use biggest mode for
	df_set_regs_ever_live.

2012-12-07  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Add UPPER_BOUND
	parameter.
	(try_unroll_loop_completely) Update.

2012-12-07  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/55395
	* varpool.c (varpool_remove_node): Don't drop DECL_INITIAL
	for -g for any kind of debug info.

2012-12-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54886
	* graphite-sese-to-poly.c (build_loop_iteration_domains): Properly
	free all memory.

2012-12-07  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/55078
	* ipa-inline-transform.c (inline_call): Turn #if 0 to
	#ifdef ENABLE_CHECKING.
	* ipa-prop.c (try_make_edge_direct_simple_call): Use
	ipa_value_from_jfunc.
	(try_make_edge_direct_virtual_call): Likewise.
	(update_indirect_edges_after_inlining): Lookup new_root_info and pass
	it to the functions above.

2012-12-07  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55590
	* tree-sra.c (build_ref_for_offset): Use get_object_alignment_1 to
	get base alignment.

2012-12-06  Uros Bizjak  <ubizjak@gmail.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR target/55597
	* config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
	before using it as insn or call equivalent.

2012-12-06  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/sysv4.h (TARGET_ASAN_SHADOW_OFFSET): Define.
	* config/rs6000/rs6000.c (rs6000_asan_shadow_offset): New function.
	* config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Disable if using ASAN.

2012-12-06  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/55395
	* varpool.c (varpool_remove_node): Don't drop DECL_INITIAL
	if -g and emitting DWARF2+.

2012-12-06  Pat Haugen <pthaugen@us.ibm.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Set
	default loop peeling limits.

2012-12-06  Jason Merrill  <jason@redhat.com>

	PR c++/55032
	PR c++/55245
	* tree.c (build_array_type_1): Re-layout if we found it in the
	hash table.

2012-12-06  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR 55599/sanitizer
	* config/darwin.h (LINK_COMMAND_SPEC_A): Remove static libasan support.

2012-12-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/43631
	* var-tracking.c (emit_note_insn_var_location, emit_notes_in_bb):
	Clear BLOCK_FOR_INSN on notes emitted in between basic blocks,
	don't adjust BB_END when inserting note after BB_END of some bb.

	PR c++/55137
	* fold-const.c (fold_binary_loc) <associate>: Don't introduce
	TREE_OVERFLOW through reassociation.  If type doesn't have defined
	overflow, but one or both of the operands do, use the wrapping type
	for reassociation and only convert to type at the end.

2012-12-06  Richard Biener  <rguenther@suse.de>

	* gimple-fold.c (fold_stmt_1): Remove code handling folding stmts away.

2012-12-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* doc/sourcebuild.texi: Document arm_v8_neon_ok.

2012-12-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (neon_itype): Define NEON_RINT enum element.
	(neon_builtin_data): Register vrintn, vrinta, vrintp, vrintm,
	vrintz,	vrintx neon builtins.
	(arm_init_neon_builtins): Handle NEON_RINT.
	(arm_expand_neon_builtin): Likewise.
	* config/arm/unspecs.md: New file.
	* config/arm/arm.md ("unspec"): Move to unspecs.md.
	* config/arm/iterators.md (NEON_VRINT): New int iterator.
	(nvrint_variant): New int attribute.
	* config/arm/neon.md
	(neon_vrint<NEON_VRINT:nvrint_variant><VCVTF:mode>): New pattern.
	("unspec"): Move to unspecs.md.
	* config/arm/iwmmxt2.md ("unspec"): Move to unspecs.md.

2012-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
	opaque cond in all call insns.

2012-12-05  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/55604
	* lra-lives.c (lra_create_live_ranges): If there are no referenced
	pseudos left, do not compute live ranges.

2012-12-05  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/tm.texi.in (TARGET_CLASS_LIKELY_SPILLED_P): Update documentation.
	* doc/tm.texi: Regenerate.
	* regs.h (REG_LIVE_LENGTH): Update comments to not refer to no longer
	existing files global.c and local-alloc.c.
	* regmove.c (copy_src_to_dest): Likewise.
	* function.h (struct rtl_data): Likewise.
	* ira-color.c (allocno_priority_compare_func): Likewise.
	* regstat.c (regstat_compute_ri): Likewise.
	* config/epiphany/epiphany.h, config/vax/vax.h, config/cris/cris.h,
	config/h8300/h8300.h, config/alpha/alpha.h, config/sparc/sparc.h,
	config/rs6000/rs6000.h, config/pdp11/pdp11.h, config/pa/pa.h,
	config/v850/v850.h, config/mn10300/mn10300.h, config/m32r/m32r.h,
	config/i386/i386.h, config/mcore/mcore.h, config/sh/sh.h,
	config/arm/arm.h (REGNO_OK_FOR_BASE_P): Likewise.

2012-12-05  Aldy Hernandez  <aldyh@redhat.com>

	PR target/54160
	* config/t-darwin (darwin-c.o): Depend on $(CPP_INTERNAL_H).
	* config/darwin-c.c (darwin_cpp_builtins): Only set __OBJC2__ when
	in obj mode.
	Include libcpp/internal.h.

2012-12-05  Michael Eager  <eager@eagercon.com>

	PR rtl-optimization/54739
	* config/microblaze/microblaze.md: (anddi3, iordi3, xordi3): Delete
	patterns.

2012-12-05  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd-builtins.def: Add new builtins.
	* config/aarch64/aarch64-simd.md (simd_type): Add uzp.
	(aarch64_<PERMUTE:perm_insn><PERMUTE:perm_hilo><mode>): New.
	* config/aarch64/aarch64.c (aarch64_evpc_trn): New.
	(aarch64_evpc_uzp): Likewise.
	(aarch64_evpc_zip): Likewise.
	(aarch64_expand_vec_perm_const_1): Check for trn, zip, uzp patterns.
	* config/aarch64/iterators.md (unspec): Add neccessary unspecs.
	(PERMUTE): New.
	(perm_insn): Likewise.
	(perm_hilo): Likewise.

2012-12-05  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-protos.h
	(aarch64_split_combinev16qi): New.
	(aarch64_expand_vec_perm): Likewise.
	(aarch64_expand_vec_perm_const): Likewise.
	* config/aarch64/aarch64-simd.md (vec_perm_const<mode>): New.
	(vec_perm<mode>): Likewise.
	(aarch64_tbl1<mode>): Likewise.
	(aarch64_tbl2v16qi): Likewise.
	(aarch64_combinev16qi): New.
	* config/aarch64/aarch64.c
	(aarch64_vectorize_vec_perm_const_ok): New.
	(aarch64_split_combinev16qi): Likewise.
	(MAX_VECT_LEN): Define.
	(expand_vec_perm_d): New.
	(aarch64_expand_vec_perm_1): Likewise.
	(aarch64_expand_vec_perm): Likewise.
	(aarch64_evpc_tbl): Likewise.
	(aarch64_expand_vec_perm_const_1): Likewise.
	(aarch64_expand_vec_perm_const): Likewise.
	(aarch64_vectorize_vec_perm_const_ok): Likewise.
	(TARGET_VECTORIZE_VEC_PERM_CONST_OK): Likewise.
	* config/aarch64/iterators.md
	(unspec): Add UNSPEC_TBL, UNSPEC_CONCAT.
	(V_cmp_result): Add mapping for V2DF.

2012-12-05  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_mangle_map_entry): New
	typedef.
	(aarch64_simd_mangle_map): New table.
	(aarch64_mangle_type): Locate and return the mangled name for
	a given AdvSIMD vector type.

2012-12-05  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_mangle_type): New function.
	(TARGET_MANGLE_TYPE): Define.

2012-12-05  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_builtin_vectorized_function): New.
	* config/aarch64/aarch64-protos.h
	(aarch64_builtin_vectorized_function): Declare.
	* config/aarch64/aarch64-simd-builtins.def (frintz, frintp): Add.
	(frintm, frinti, frintx, frinta, fcvtzs, fcvtzu): Likewise.
	(fcvtas, fcvtau, fcvtps, fcvtpu, fcvtms, fcvtmu): Likewise.
	* config/aarch64/aarch64-simd.md
	(aarch64_frint_<frint_suffix><mode>): New.
	(<frint_pattern><mode>2): Likewise.
	(aarch64_fcvt<frint_suffix><su><mode>): Likewise.
	(l<fcvt_pattern><su_optab><fcvt_target><VDQF:mode>2): Likewise.
	* config/aarch64/aarch64.c (TARGET_VECTORIZE_BUILTINS): Define.
	(TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Likewise.
	* config/aarch64/aarch64.md
	(btrunc<mode>2, ceil<mode>2, floor<mode>2)
	(round<mode>2, rint<mode>2, nearbyint<mode>2): Consolidate as...
	(<frint_pattern><mode>2): ...this.
	(lceil<su_optab><mode><mode>2, lfloor<su_optab><mode><mode>2)
	(lround<su_optab><mode><mode>2)
	(lrint<su_optab><mode><mode>2): Consolidate as...
	(l<fcvt_pattern><su_optab><GPF:mode><GPI:mode>2): ... this.
	* config/aarch64/iterators.md (fcvt_target): New.
	(FCVT_TARGET): Likewise.
	(FRINT): Likewise.
	(FCVT): Likewise.
	(frint_pattern): Likewise.
	(frint_suffix): Likewise.
	(fcvt_pattern): Likewise.

2012-12-05  Steven Bosscher  <steven@gcc.gnu.org>

	* passes.c (pass_init_dump_file): Only open a clean graph dump file if
	the dump was not already initialized.

	Revert:
	2012-12-03  Steven Bosscher  <steven@gcc.gnu.org>
	* passes.c (finish_optimization_passes): Don't finish graph dumps here.
	(pass_fini_dump_file): Wrap in TV_DUMP.  Finish graph dumps.
	(execute_one_pass): Don't set up graph dumps here.

2012-12-05  Richard Biener  <rguenther@suse.de>

	PR lto/55525
	* gimple-streamer-in.c (input_gimple_stmt): Fixup ARRAY_REFs as well.

2012-12-04  Ian Lance Taylor  <iant@google.com>

	* godump.c (find_dummy_types): Output a dummy type if we couldn't
	output the real type.

2012-12-04  Steven Bosscher  <steven@gcc.gnu.org>

	* rtl.h (print_insn_with_notes): Remove prototype.
	(rtl_dump_bb_for_graph): New prototype.
	* sched-vis.c (print_insn_with_notes): Make static again.  Fix
	printing of notes.
	(rtl_dump_bb_for_graph): New function.
	* cfghooks.h (struct cfg_hooks) <dump_bb_for_graph>: New hook.
	(dump_bb_for_graph): New prototype.
	* cfghooks.c (dump_bb_for_graph): New function.
	* tree-cfg.c (gimple_cfg_hooks): Register gimple_dump_bb_for_graph
	as dump_bb_for_graph hook implementation for GIMPLE.
	* cfgrtl.c (rtl_cfg_hooks): Likewise for rtl_dump_bb_for_graph.
	(cfg_layout_rtl_cfg_hooks): Likewise.
	* graph.c (draw_cfg_node): Don't include sbitmap.h, rtl.h, tree.h,
	gimple.h, and gimple-pretty-print.h.
	(draw_cfg_node, draw_cfg_node_succ_edges): Use the uniqe function
	definition number instead of the function declaration UID.
	(print_graph_cfg): Take a struct function instead of a tree.
	Use the dump_bb_for_graph hook to dump the basic block content.
	* graph.h (print_graph_cfg): Update prototype.
	* passes.c (execute_function_dump): Update print_graph_cfg call.
	* Makefile.in (graph.o): Fixup dependencies.

2012-12-04  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Set
	TYPE_STUB_DECL.

2012-12-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_select_ccmode): Enable using CC of
	x + imm for higher immediates on z9-109 upwards.

2012-12-04  Richard Earnshaw  <rearnsha@arm.com>

	* arm.opt (cirrus-fix-invalid-insns): Delete option.
	* invoke.texi (cirrus-fix-invalid-insns): Remove documentation.

2012-12-04  Jakub Jelinek  <jakub@redhat.com>

	* tsan.c (instrument_expr): If expr_ptr isn't a gimple val, first
	store it into a SSA_NAME.

	PR sanitizer/55439
	* Makefile.in (tsan.o): Depend on tree-ssa-propagate.h.
	* sanitizer.def: Add __tsan_atomic* builtins.
	* asan.c (initialize_sanitizer_builtins): Adjust to also
	initialize __tsan_atomic* builtins.
	* tsan.c: Include tree-ssa-propagate.h.
	(enum tsan_atomic_action): New enum.
	(tsan_atomic_table): New table.
	(instrument_builtin_call): New function.
	(instrument_gimple): Take pointer to gimple_stmt_iterator
	instead of gimple_stmt_iterator.  Call instrument_builtin_call
	on builtin call stmts.
	(instrument_memory_accesses): Adjust instrument_gimple caller.
	* builtin-types.def (BT_FN_BOOL_VPTR_PTR_I1_INT_INT,
	BT_FN_BOOL_VPTR_PTR_I2_INT_INT, BT_FN_BOOL_VPTR_PTR_I4_INT_INT,
	BT_FN_BOOL_VPTR_PTR_I8_INT_INT, BT_FN_BOOL_VPTR_PTR_I16_INT_INT): New.

2012-12-04  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_vector_alignment,
	aarch64_simd_vector_alignment_reachable): New.
	(TARGET_VECTOR_ALIGNMENT, TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE):
	Define.

2012-12-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55124
	* tree-ssa-pre.c (find_or_generate_expression): Instead of
	ICEing when we are not able to generate an expression defer it
	by signalling failure.  Fix possible wrong-code issue by
	not picking random REFERENCE expressions as fallback.
	(create_component_ref_by_pieces_1): Adjust.  Add failure paths.
	(create_expression_by_pieces): Likewise.
	(insert_into_preds_of_block): When expression generation failed
	for one edge make sure to not insert a PHI node.

2012-12-03  Eric Botcazou  <ebotcazou@adacore.com>

	* config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
	area if the function allocates dynamic stack space.
	(ia64_initial_elimination_offset): Adjust offsets to above change.

2012-12-03  Steven Bosscher  <steven@gcc.gnu.org>

	* gcse.c (struct reg_use): Remove unused struct.
	(gcse_emit_move_after): Do not create REG_EQUAL notes that reference
	the SET_DEST of the instruction the note would be attached to.
	* cse.c (cse_main): Add the DF_NOTE problem.

2012-12-03  Jakub Jelinek  <jakub@redhat.com>

	* sanitizer.def: Add Address Sanitizer builtins.
	Rename BUILT_IN_TSAN_READ_* to BUILT_IN_TSAN_READ* and
	BUILT_IN_TSAN_WRITE_* to BUILT_IN_TSAN_WRITE*.
	* Makefile.in (asan.o): Depend on langhooks.h.
	(tsan.o): Depend on asan.h.
	* asan.h (initialize_sanitizer_builtins): New prototype.
	* asan.c: Include langhooks.h.
	(report_error_func): Use builtin_decl_implicit of corresponding
	BUILT_IN_ASAN_REPORT_{LOAD,STORE}*.
	(asan_init_func): Removed.
	(initialize_sanitizer_builtins): New function.
	(asan_finish_file): Call it.  Use builtin_decl_implicit
	on BUILT_IN_ASAN_{INIT,{,UN}REGISTER_GLOBALS}.
	(asan_instrument): Call initialize_sanitizer_builtins.
	* builtins.def (DEF_SANITIZER_BUILTIN): Change condition to
	(flag_asan || flag_tsan).
	* tsan.c: Include asan.h and tsan.h.
	(get_memory_access_decl): Rename BUILT_IN_TSAN_{READ,WRITE}_*
	to BUILT_IN_TSAN_{READ,WRITE}*.
	(tsan_pass): Call initialize_sanitizer_builtins.
	(tsan_gate, tsan_gate_O0): Don't check if
	builtin_decl_implicit_p (BUILT_IN_TSAN_INIT) is true.
	(tsan_finish_file): Call initialize_sanitizer_builtins.
	* builtin-types.def (BT_FN_VOID_PTR_PTRMODE): New fn type.

2012-12-03  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/55401
	* trans-mem.c (get_tm_region_blocks): Exclude uninstrumented
	blocks from vector if requested.
	(collect_bb2reg): Pass new argument to get_tm_region_blocks.
	(get_bb_regions_instrumented): Add INCLUDE_UNINSTRUMENTED_P
	argument, and pass it to expand_regions.
	(execute_tm_mark): Pass new argument to get_bb_regions_instrumented.
	(execute_tm_edges): Same.

2012-12-03  Jakub Jelinek  <jakub@redhat.com>

	* asan.c (instrument_mem_region_access): Don't instrument
	if base doesn't have pointer type or len integral type.
	Add cast if len doesn't have size_t compatible type.
	(instrument_builtin_call): Don't instrument BUILT_IN_ATOMIC_LOAD,
	BUILT_IN_ATOMIC_TEST_AND_SET, BUILT_IN_ATOMIC_CLEAR,
	BUILT_IN_ATOMIC_EXCHANGE, BUILT_IN_ATOMIC_COMPARE_EXCHANGE
	and BUILT_IN_ATOMIC_STORE.

	* asan.c (instrument_assignment): Instrument lhs only
	for gimple_store_p and rhs1 only for gimple_assign_load_p.

2012-12-03  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* Makefile.in: Add target mddump, build/genmddump.o.  Extend
	genprogrtl with mddump.
	* genmddump.c: New.

2012-12-03  Steven Bosscher  <steven@gcc.gnu.org>

	* rtl.h (print_insn_with_notes): Prototype.
	* sched-vis.c (print_insn_with_notes): Export it.

	* gimple-pretty-print.h (gimple_dump_bb_for_graph): Prototype.
	* gimple-pretty-print.c (print_gimple_expr): Flush the buffer.
	(pp_gimple_stmt_1): Don't do it here.
	(gimple_dump_bb_for_graph): New function.
	* tree-pretty-print.c (print_generic_expr): Flush the buffer here.
	(dump_generic_node): Don't flush the buffer here.

	* graph.h (print_rtl_graph_with_bb): Rename to print_graph_cfg.
	* graph.c: Include gimple.h, dumpfile.h, and gimple-pretty-print.h.
	(draw_cfg_node): Handle GIMPLE basic blocks also.
	(print_rtl_graph_with_bb): Rename to print_graph_cfg.
	* passes.c (finish_optimization_passes): Don't finish graph dumps here.
	(execute_function_dump): Use print_graph_cfg. Enable dumping the CFG
	for GIMPLE also.
	(pass_init_dump_file): Wrap in TV_DUMP.  Set up CFG graph dumps.
	(pass_fini_dump_file): Wrap in TV_DUMP.  Finish graph dumps.
	(execute_one_pass): Don't set up graph dumps here.

2012-12-03  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa.c (warn_uninitialized_var): Use OPT_Wmaybe_uninitialized tag
	in the non-always executed case.

2012-12-03  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.c (aarch64_build_constant): Update prototype.
	Call emit_move_insn instead of printing movi/movn/movz instructions.
	Call gen_insv_immdi instead of printing movk instruction.
	(aarch64_add_constant): Update prototype.
	Generate RTL instead of printing add/sub instructions.
	(aarch64_output_mi_thunk): Update calls to aarch64_build_constant
	and aarch64_add_constant.

2012-12-03 Kai Tietz  <ktietz@redhat.com>

	PR target/53912
	* ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.

	PR target/53912
	* tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.

	PR target/53912
	* pointer-set.c (hash1): Cast from pointer via uintptr_t.

2012-12-02  Marek Polacek  <polacek@redhat.com>

	PR middle-end/54838
	* cprop.c (bypass_block): Determine number of latches.  Return
	when there is more than one latch edge.

2012-12-02  Teresa Johnson  <tejohnson@google.com>

	PR gcov-profile/55551
	* lto-cgraph.c (merge_profile_summaries): Handle scaled histogram
	entries that map to the same index.

2012-12-02  Steven Bosscher  <steven@gcc.gnu.org>

	* optabs.c (add_equal_note): Do not create self-referencing REG_EQUAL
	notes.
	* fwprop.c (forward_propagate_and_simplify): Likewise.

2012-12-02  Steven Bosscher  <steven@gcc.gnu.org>

	* function.h (struct rtl_data): Remove epilogue_delay_list.
	* reorg.c (find_end_label): Simplify always-true test.
	(optimize_skip): Likewise.
	* final.c (leaf_function_p): Don't loop over epilogue_delay_list.
	(leaf_renumber_regs): Likewise.
	* varasm.c (mark_constant_pool): Likewise.
	* except.c (set_nothrow_function_flags): Likewise.
	* cfgrtl.c (print_rtl_with_bb): Likewise.

2012-12-02  Hans-Peter Nilsson  <hp@bitrange.com>

	* config/mmix/mmix.c (mmix_function_value): Set the mode of the
	returned PARALLEL to that of the return-value, not VOIDmode.

2012-12-02  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Various corrections to punctuation and grammar
	throughout the file.  Use consistent terminology and proper names.
	Correct some minor markup issues.

2010-12-01  Xinliang David Li  <davidxl@google.com>

	* config/i386/i386.c: Allow sign extend instructions (cltd etc)
	on modern CPUs.

2012-12-02  Steven Bosscher  <steven@gcc.gnu.org>

	* reorg.c: Remove an obsolete comment.
	* config/pa/pa.md: Add back the HP-PA comment here, with details.

2012-11-30  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
	Deal with degenerate cases where the bitsize isn't positive.
	Rework comment.

2012-11-30  David Edelsohn  <dje.gcc@gmail.com>

	* xcoffout.c (xcoff_tls_data_section_name): Define.
	* xcoffout.h (xcoff_tls_data_section_name): Declare.
	* config/rs6000/rs6000.c (tls_data_section): Define.
	(TARGET_USE_BLOCKS_FOR_DECL_P): Define.
	(rs6000_legitimize_tls_address_aix): New function.
	(rs6000_legitimize_tls_address): Use new function for AIX.
	(rs6000_cannot_force_const_mem): No sum in TLS TOC symbols.
	Allow TLS symbol in constant pool other than ELF.
	(rs6000_legitimate_address_p): Allow TLS symbol other than ELF.
	(rs6000_assemble_visibility): Do not emit anything on AIX.
	(output_toc): Handle alias of TLS general-dynamic symbols.
	Emit TLS decorations on symbols.
	(rs6000_use_blocks_for_decl_p): New function.
	(rs6000_xcoff_output_tls_section_asm_op): New function.
	(rs6000_xcoff_asm_init_sections): Initialize tls_data_section.
	(rs6000_xcoff_select_section): Choose tls_data_section for
	thread-local storage.
	(rs6000_xcoff_file_start): Generate xcoff_tls_data_section_name.
	(rs6000_legitimate_constant_p): Allow TLS symbol other than ELF.
	* config/rs6000/rs6000.md (tls_tls_): Restrict to ELF.
	(tls_get_tpointer): New.
	(tle_get_tpointer_internal): New.
	(tls_get_addr<mode>): New.
	(tls_get_addr_internal<mode>): New.
	* config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Define.

2012-11-30  Teresa Johnson  <tejohnson@google.com>

	* lto-cgraph.c (output_profile_summary): Stream out sum_all
	and histogram.
	(input_profile_summary): Stream in sum_all and histogram.
	(merge_profile_summaries): Merge sum_all and histogram, and
	change to use RDIV.
	(input_symtab): Call compute_working_sets after merging summaries.
	* gcov-io.c (gcov_histo_index): Make extern for compiler.
	* gcov-io.h (gcov_histo_index): Ditto.
	* profile.c (compute_working_sets): Remove static keyword.
	* profile.h (compute_working_sets): Ditto.
	* Makefile.in (lto-cgraph.o): Depend on profile.h.

2012-11-30  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/52890
	PR tree-optimization/55415
	PR tree-optimization/54386
	PR target/55448
	* ipa-prop.c (ipa_modify_call_arguments): Be optimistic when
	get_pointer_alignment_1 returns false and the base was not a
	dereference.
	* tree-sra.c (access_precludes_ipa_sra_p): New parameter req_align,
	added check for required alignment.  Update the user.

2012-11-30  Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>
	    Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (type): Subdivide "alu" into "alu_reg"
	and "simple_alu_imm".
	(core_cycles): Use new names.
	(arm_addsi3): Set type of patterns to use to alu_reg and simple_alu_imm.
	(addsi3_compare0, addsi3_compare0_scratch): Likewise.
	(addsi3_compare_op1, addsi3_compare_op2, compare_addsi2_op0): Likewise.
	(compare_addsi2_op1, arm_subsi3_insn, subsi3_compare0): Likewise.
	(subsi3_compare, arm_decscc,arm_andsi3_insn): Likewise.
	(thumb1_andsi3_insn, andsi3_compare0_scratch): Likewise.
	(zeroextractsi_compare0_scratch,iorsi3_insn,iorsi3_compare0): Likewise.
	(iorsi3_compare0_scratch, arm_xorsi3, thumb1_xorsi3_insn): Likewise.
	(xorsi3_compare0, xorsi3_compare0_scratch): Likewise.
	(thumb1_zero_extendhisi2,arm_zero_extendhisi2_v6): Likewise.
	(thumb1_zero_extendqisi2_v, arm_zero_extendqisi2_v6): Likewise.
	(thumb1_extendhisi2, arm_extendqisi_v6): Likewise.
	(thumb1_extendqisi2, arm_movsi_insn): Likewise.
	(movsi_compare0, movhi_insn_arch4, movhi_bytes): Likewise.
	(arm_movqi_insn, thumb1_movqi_insn, arm_cmpsi_insn): Likewise.
	(movsicc_insn, if_plus_move, if_move_plus): Likewise.
	* config/arm/neon.md (neon_mov<mode>/VDX): Likewise.
	(neon_mov<mode>/VQXMOV): Likewise.
	* config/arm/arm1020e.md (1020alu_op): Likewise.
	* config/arm/fmp626.md (mp626_alu_op): Likewise.
	* config/arm/fa726te.md (726te_alu_op): Likewise.
	* config/arm/fa626te.md (626te_alu_op): Likewise.
	* config/arm/fa606te.md (606te_alu_op): Likewise.
	* config/arm/fa526.md (526_alu_op): Likewise.
	* config/arm/cortex-r4.md (cortex_r4_alu, cortex_r4_mov): Likewise.
	* config/arm/cortex-m4.md (cortex_m4_alu): Likewise.
	* config/arm/cortex-a9.md (cprtex_a9_dp): Likewise.
	* config/arm/cortex-a8.md (cortex_a8_alu, cortex_a8_mov): Likewise.
	* config/arm/cortex-a5.md (cortex_a5_alu): Likewise.
	* config/arm/cortex-a15.md (cortex_a15_alu): Likewise.
	* config/arm/arm926ejs.md (9_alu_op): Likewise.
	* config/arm/arm1136jfs.md (11_alu_op): Likewise.
	* config/arm/arm1026ejs.md (alu_op): Likewise.

2012-11-30  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (get_expr_value_id): Do not allocate value-ids here.

2012-11-30  Richard Biener  <rguenther@suse.de>

	* tree-ssa-sccvn.c (run_scc_vn): Remove iteration propagating
	value_ids.

2012-11-30  Steven Bosscher  <steven@gcc.gnu.org>

	* coretypes.h (struct pretty_print_info): Make a coretype.
	(typedef pretty_printer): Likewise.
	* pretty-print.h (typedef pretty_printer): Not needed here anymore.
	* pretty-print.c (pp_write_text_as_dot_label_to_stream): New function.
	* rtl.h (str_pattern_slim): New prototype.
	(print_value, print_pattern, print_insn): Adjust prototypes to take
	a pretty-printer rather than a char buffer.
	* sched-vis.c (safe_concat): Remove.
	(print_exp): Print into a pretty-printer.
	(print_value): Likewise.
	(print_pattern): Likewise.
	(print_insn): Likewise.
	(print_insn_with_notes): New static function.
	(init_rtl_slim_pretty_print): New function.
	(dump_value_slim): Simplify.  Print into and flush a pretty-printer.
	(dump_insn_slim): Likewise.
	(dump_rtl_slim): Likewise.
	(str_pattern_slim): New function.
	* haifa-sched.c (model_recompute): Use str_pattern_slim instead of
	static buffers.
	(model_record_pressures): Likewise.
	(schedule_insn): Likewise.
	* sel-sched-dump.c (dump_insn_rtx_1): Likewise.
	(sel_prepare_string_for_dot_label): Refer to graph.c CFG dumper code.
	* graph.c: Include pretty-print.h.
	(init_graph_slim_pretty_print): New function.
	(print_escaped_line): Removed here, and reincarnated as
	pp_write_text_as_dot_label_to_stream.
	(draw_cfg_node): Print into a pretty printer.
	(draw_cfg_node_succ_edges): Likewise.
	(print_rtl_graph_with_bb): Likewise.
	* Makefile.in (graph.o): Fix dependencies.
	(tree-optimize.o, toplev.o, sched-vis.o): Likewise.

2012-11-30  Jakub Jelinek  <jakub@redhat.com>

	* tsan.c (is_load_of_const_p): Removed.
	(instrument_expr): Use result of get_inner_reference
	instead of get_base_address, avoid some unnecessary tests,
	use !pt_solution_includes and !may_be_aliased tests to
	check whether base might escape current function.

2012-11-30  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* gensupport.c (maybe_eval_c_test): Remove not-null check for expr.
	* read-rtl.c (apply_iterators): Initialize condition with "" instead
	of NULL.

2012-11-30  Kai Tietz  <ktietz@redhat.com>

	* config/i386/host-mingw32.c (va_granularity): Make none-const.
	(mingw32_gt_pch_alloc_granularity): Return OS' allocation granularity.
	(mingw32_gt_pch_use_address): Retry mapping of used address
	as multiple instances might interfer.

	* config/i386/mingw32.h (SHARED_LIBGCC_SPEC): Synchronize with
	cygwin-host.

2012-11-29  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/55321
	* calls.c (emit_library_call_value_1): Mark as no-nonlocal if no-throw.

2012-11-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55456
	* lra-int.h (lra_new_regno_start): New external.
	* lra.c (lra_new_regno_start): New global.
	(lra): Set up lra_new_regno_start.
	* lra-constraints.c (match_reload): Sync values only for original
	pseudos.

2012-11-29 Kai Tietz  <ktietz@redhat.com>

	PR target/53912
	* prefix.c (lookup_key): Replace xmalloc/xrealloc
	use by XNEWVEC/XRESIZEVEC.

2012-11-29  Richard Earnshaw  <rearnsha@arm.com>

	PR target/55073
	* config/arm/neon.md (neon_vtrn<mode>_internal): Split into expand
	and insn patterns.  Re-order insn arguments to tie inputs to outputs.
	(neon_vzip<mode>_internal): Likewise.
	(neon_vuzp<mode>_internal): Likewise.

2012-11-29  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/53094
	* fold-const.c (fold): Replace a CONSTRUCTOR with a VECTOR_CST.

2012-11-29  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (get_expr_value_id): Do not add expr
	to the set of value expressions here.
	(add_to_exp_gen, make_values_for_phi): Fold into ...
	(compute_avail): ... here, and avoid useless work.  Dump
	avail sets in processing order.
	(do_pre): Do not dump avail sets here.

2012-11-29  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

	PR target/54974
	* config/arm/arm.md (thumb2_pool_range, pool_range): Add comment on
	Thumb pool ranges.
	(thumb1_extendhisi2): Reduce Thumb pool range.
	(arm_movdi): Likewise.
	(thumb1_movdi_insn): Likewise.
	(thumb1_movsi_insn): Likewise.
	(pic_load_addr_unified): Likewise.
	(pic_load_addr_32bit): Likewise.
	(pic_load_addr_thumb1): Likewise.
	(thumb1_movhf): Likewise.
	(arm_movsf_soft_insn): Likewise.
	(thumb1_movsf_soft_insn): Likewise.
	(movdf_soft_insn): Likewise.
	(thumb1_movdf_soft_insn): Likewise.
	* config/arm/neon.md (*neon_mov<mode>): Likewise.
	(*neon_mov<mode>): Likwise.
	* config/arm/thumb2.md: (*thumb2_movsi_insn): Likewise.
	(*thumb2_movhi_insn): Likewise.
	(*thumb2_extendqisi_v6): Likewise.
	(*thumb2_zero_extendqisi_v6): Likewise.
	(*thumb2_zero_extendqisi2_v6): Likewise.
	* config/arm/vfp.md: (*thumb2_movsi_vfp): Likewise.
	(*movdi_vfp): Likewise.
	(*movdi_vfp_cortexa8): Likewise.
	(*thumb2_movsf_vfp): Likewise.
	(*thumb2_movdf_vfp): Likewise.

2012-11-29  Kai Tietz  <ktietz@redhat.com>

	PR target/55171
	* config/i386/i386.c (get_scratch_register_on_entry): Handle
	thiscall-convention.
	(split_stack_prologue_scratch_regno): Likewise.
	(ix86_static_chain): Likewise.
	(x86_output_mi_thunk): Likewise.

2012-11-29  Marek Polacek  <polacek@redhat.com>

	* cprop.c (bypass_block): Improve debug message.

2012-11-29  Oleg Raikhman  <oleg@adapteva.com>

	* config/epiphany/epiphany.h (FIXED_REGISTERS, CALL_USED_REGISTERS):
	Make r40..r43 call-used.
	(REG_ALLOC_ORDER): Sort r40..r43 into the call-used registers.

2012-11-29  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/predicates.md (addsub_operator): New predicate.
	* config/epiphany/epiphany-sched.md (sched_use_fpu): New attribute.
	* config/epiphany/epiphany.md (isub_i+1): New peephole2.
	* config/epiphany/epiphany-protos.h (get_attr_sched_use_fpu): Declare.

	* config/epiphany/epiphany.h (EPIPHANY_LIBRARY_EXTRA_SPEC): Define.
	(EXTRA_SPECS, DRIVER_SELF_SPECS): Likewise.
	* config/epiphany/t-epiphany (SPECS): Set.
	(specs): New rule.

	* config/epiphany/epiphany.md (isub_i+1): Work around generator bug.

	* config/epiphany/epiphany.c (epiphany_adjust_cost): Use
	reg_overlap_mentioned_p.

2012-11-28  Jakub Jelinek  <jakub@redhat.com>

	PR debug/36728
	PR debug/55467
	PR middle-end/55507
	PR bootstrap/55511
	* cselib.c (cselib_process_insn): If cselib_preserve_constants,
	don't reset table and exit early on volatile insns and setjmp.
	Reset table afterwards on setjmp.

2012-11-28  Andrew Pinski  <apinski@cavium.com>

	PR bootstrap/54279
	* Makefile.in (${QMTEST_DIR}/context): Use xg++ instead of g++.

2012-11-28  Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/55052
	* simplify-rtx.c (simplify_subreg): Restore SCALAR_INT_MODE_P check.

2012-11-28  David Edelsohn  <dje.gcc@gmail.com>

	* target.def (use_blocks_for_decl_p): New hook.
	* varasm.c (use_blocks_for_decl_p): Apply hook as final condition.
	* doc/tm.texi.in (USE_BLOCKS_FOR_DECL_P): New description.
	* doc/tm.texi: Regenerated.

2012-11-28  Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/55438
	* expmed.c (simple_mem_bitfield_p): New function, extracted from
	store_bit_field_1 and extract_bit_field_1.  Use GET_MODE_ALIGNMENT
	rather than bitsize when checking the alignment.
	(store_bit_field_1, extract_bit_field_1): Call it.
	* stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
	Don't limit ALIGN_.  Assume that memory is mapped in chunks of at
	least word size, regardless of BIGGEST_ALIGNMENT.
	(bit_field_mode_iterator::get_mode): Use GET_MODE_ALIGNMENT rather
	than unit when checking the alignment.
	(get_best_mode): Use GET_MODE_ALIGNMENT.

2012-11-28  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55512
	* lra-assigns.c (assign_by_spills): Assigned arbitrary hard regs
	to failed reload pseudos instead of changing asm pattern.
	* lra-constraints.c (MAX_CONSTRAINT_ITERATION_NUMBER): Increase value.

2012-11-28  Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR other/55358
	* dse.c (rest_of_handle_dse): Remove superfluous clearing.

2012-11-28  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/predicates.md (move_double_src_operand):
	Check that misaligned addresses are offsettable.
	(move_dest_operand): Likewise.
	* config/epiphany/epiphany.c (REG_OK_FOR_BASE_P): Don't force a
	misaligned stack address to reg+index.

	* config/epiphany/epiphany.opt (mfp-iarith): New option.
	* config/epiphany/epiphgany.md (addsi3): Check for TARGET_FP_IARITH.
	(subsi3, iadd, isub): Rename to ..
	(subsi3_i, iadd_i, isub_i): .. This.
	(subsi3, iadd, isub): New define_expands.

	* config/epiphany/epiphgany.md (attribute type): Add v2fp.
	(attribute fp_mode): Test for v2fp.
	(<float_operation:insn_opname>v2sf3_i): Change type to v2fp.
	* config/epiphany/epiphany-sched.md (fp_arith_nearest,
	fp_arith_trunc): Combine to ..
	(fp_arith): .. this.
	(v2fp_arith): New insn reservation.

	* config/epiphany/epiphgany.md (maddsi_combine): Fix output pattern.

2012-11-28  Oleg Raikhman  <oleg@adapteva.com>

	* config/epiphany/epiphany.h (ASM_OUTPUT_ALIGN_WITH_NOP): Define.

2012-11-28  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.h (HARD_REGNO_RENAME_OK): Define.
	* config/epiphany/epiphany-protos.h (epiphany_regno_rename_ok):
	Declare.
	* config/epiphany/epiphany.c (epiphany_regno_rename_ok): New function.

	* config/epiphany/epiphany.md (mov<mode>, *mov<mode>_insn): Check
	for misaligned memory operands.
	* config/epiphany/predicates.md (misaligned_operand): New predicate.

	* config/epiphany/epiphany.opt (-may-round-for-trunc): New option.
	* config/epiphany/epiphany.md (*fix_truncsfsi2_i): Take it
	into account.

2012-11-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54547
	* tree-vrp.c (set_and_canonicalize_value_range): Handle
	1-bit anti-ranges explicitely.
	(extract_range_from_assert): Properly canonicalize all
	built anti-ranges.

2012-11-28  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (layout_type) <ARRAY_TYPE>: Do not clear TREE_OVERFLOW
	on overflowed zeroes, except in one specific case.

2012-11-28  Marc Glisse  <marc.glisse@inria.fr>

	PR middle-end/55266
	* fold-const.c (fold_ternary_loc) [BIT_FIELD_REF]: Handle
	CONSTRUCTOR with vector elements.
	* tree-ssa-propagate.c (valid_gimple_rhs_p): Handle CONSTRUCTOR
	and BIT_FIELD_REF.

2012-11-28  Richard Biener  <rguenther@suse.de>

	PR c/35634
	* gimple.h (gimplify_self_mod_expr): Declare.
	* gimplify.c (gimplify_self_mod_expr): Export.  Take a different
	type for performing the arithmetic in.
	(gimplify_expr): Adjust.
	* tree-vect-loop-manip.c (vect_can_advance_ivs_p): Strip
	sign conversions we can re-apply after adjusting the IV.

2012-11-28  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/55006
	* loop-unroll.c (struct iv_to_split): Add new 'orig_var' member.
	(analyze_iv_to_split_insn): Record it.
	(maybe_strip_eq_note_for_split_iv): New function to remove REG_EQUAL
	notes that refer to IVs that are being split.
	(apply_opt_in_copies): Use maybe_strip_eq_note_for_split_iv.  Twice.
	Use FOR_BB_INSNS_SAFE.

2012-11-27  Steven Bosscher  <steven@gcc.gnu.org>

	* rtl.h (debug_bb_n_slim, debug_bb_slim, debug_insn_slim): Remove
	prototypes.
	(debug_rtl_slim): Rename to dump_rtl_slim.
	(print_value_slim): Rename to dump_value_slim.
	* ira.c (ira_update_equiv_info_by_shuffle_insn): Update
	print_value_slim user.
	* lra.c (lra_process_new_insns): Use dump_insn_slim to dump single
	insns.  Use dump_rtl_slim for insn chains.
	* lra-constraints.c (get_reload_reg): Update print_value_slim user.
	(process_addr_reg): Likewise.
	(equiv_address_substitution): Likewise.
	(inherit_reload_reg): Likewise.  Use dump_insn_slim to dump single
	insns.
	(check_and_process_move): Likewise.
	(lra_constraints): Likewise.
	(split_reg): Likewise.
	(update_ebb_live_info): Likewise.
	(remove_inheritance_pseudos): Likewise.
	* sched-vis.c: Don't include sched-int.h.
	Remove #ifdef INSN_SCHEDULING tests.
	(print_value_slim): Rename to dump_value_slim.  Simplify a few
	cases using GET_RTX_NAME.
	(print_pattern): Do not handle UNSPEC and UNSPECV here, explain why.
	(print_insn): Reorganize code to be independent of INSN_SCHEDULING.
	Always print CALL_INSN patterns.  Harmonize INSN_UID dumping template.
	Handle NOTE_INSN_CALL_ARG_LOCATION.
	(dump_rtl_slim): Copied from debug_rtl_slim.
	(debug_rtl_slim): Wrapper around dump_rtl_slim to stderr.
	* haifa-sched.c (schedule_insn): Update print_insn user.

2012-11-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55458
	* lra-assigns.c: Include rtl-error.h.
	(assign_by_spills): Report about asm impossible constraints.
	* Makefile.in (lra-assigns.c): Add $(RTL_ERROR_H).

2012-11-27  Paolo Bonzini  <pbonzini@redhat.com>

	PR rtl-optimization/55489
	* gcse.c (compute_transp): Precompute a canonical version
	of XEXP (x, 0), and pass it to canon_true_dependence.

	* alias.c (init_alias_analysis): Fix allocation of reg_known_value.

2012-11-27  Diego Novillo  <dnovillo@google.com>

	* vec.h: Replace 'class vec' with 'struct vec' everywhere.
	(ggc_internal_cleared_alloc_stat): Remove.
	(va_gc::reserve): Add PASS_MEM_STAT to ggc_realloc_stat call.
	(va_stack::reserve): Add PASS_MEM_STAT to va_heap::reserve call.
	(vec<T, A, vl_embed>::copy): Replace ALONE_MEM_STAT_DECL with
	ALONE_CXX_MEM_STAT_INFO.
	(vec_safe_reserve): Replace MEM_STAT_DECL with CXX_MEM_STAT_INFO.
	(vec_safe_reserve_exact): Likewise.
	(vec_alloc): Likewise.
	(vec_safe_grow): Likewise.
	(vec_safe_grow_cleared): Likewise.
	(vec_safe_push): Likewise.
	(vec_safe_insert): Likewise.
	(vec_safe_splice): Likewise.
	(vec_alloc): Likewise.
	(vec_check_alloc): Likewise.

2012-11-27  Marc Glisse  <marc.glisse@inria.fr>

	* tree-cfg.c (verify_gimple_comparison): Verify that vector
	comparison returns a vector.

2012-11-27  Meador Inge  <meadori@codesourcery.com>

	* collect2.c (main): Call find_file_set_debug.
	(find_a_find, add_prefix, prefix_from_env, prefix_from_string):
	Factor out into ...
	* file-find.c (New file): ... here and ...
	* file-find.h (New file): ... here.
	* gcc-ar.c (standard_exec_prefix): New variable.
	(standard_libexec_prefix): Ditto.
	(tooldir_base_prefix) Ditto.
	(self_exec_prefix): Ditto.
	(self_libexec_prefix): Ditto.
	(self_tooldir_prefix): Ditto.
	(target_version): Ditto.
	(path): Ditto.
	(target_path): Ditto.
	(setup_prefixes): New function.
	(main): Rework how wrapped programs are found.
	* Makefile.in (OBJS-libcommon-target): Add file-find.o.
	(AR_OBJS): New variable.
	(gcc-ar$(exeext)): Add dependency on $(AR_OBJS).
	(gcc-nm$(exeext)): Ditto.
	(gcc-ranlib(exeext)): Ditto.
	(COLLECT2_OBJS): Add file-find.o.
	(collect2.o): Add file-find.h prerequisite.
	(file-find.o): New rule.

2010-11-27  Dehao Chen  <dehao@google.com>

	* ipa-prop.c (ipa_modify_call_arguments): Set loc correctly.
	* emit-rtl.c (last_location): Remove unused variable.

2012-11-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md
	(*jcc<X87MODEF:mode>_<SWI24:mode>_i387 splitters): Remove
	unneeded temporary.

2012-11-27  Dehao Chen  <dehao@google.com>

	* cfgrtl.c (rtl_merge_blocks): Check with UNKNOWN_LOCATION correctly.
	(cfg_layout_merge_blocks): Likewise.

2012-11-27  Jakub Jelinek  <jakub@redhat.com>

	* passes.c (init_optimization_passes): Add pass_asan and pass_tsan
	to -Og optimization passes.

2012-11-27  H.J. Lu  <hongjiu.lu@intel.com>
	    Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR lto/54795
	* lto-opts.c (lto_write_options): Also handle
	OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
	OPT_SPECIAL_program_name.

	PR lto/55474
	* lto-wrapper.c (merge_and_complain): Handle
	OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
	OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.

2012-11-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52650
	* function.c (instantiate_virtual_regs_in_insn): Don't delete invalid
	asm gotos, instead just clear their template and inputs.

	PR tree-optimization/55110
	* tree-vect-loop.c (vectorizable_reduction): Don't assert
	that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.

2012-11-27  Richard Biener  <rguenther@suse.de>

	* gimple-fold.c (fold_stmt_1): Remove unnecessary code.

2012-11-27  Bin Cheng  <bin.cheng@arm.com>

	* config/arm/arm.c (thumb1_reorg): New function.
	(arm_reorg): Call thumb1_reorg.
	(thumb1_final_prescan_insn): Record src operand in thumb1_cc_op0.
	* config/arm/arm.md : Remove peephole2 patterns which rewrite move
	into subtract of ZERO.

2012-11-27  Richard Biener  <rguenther@suse.de>

	PR middle-end/55331
	* gimple-fold.c (gimplify_and_update_call_from_tree): Replace
	stmt with a NOP instead of removing it.

2012-11-27  Steven Bosscher  <steven@gcc.gnu.org>

	* loop-invariant.c (check_invariant_table_size): Take sizeof of
	the right type.

	* reorg.c (resource_conflicts_p): Use hard_reg_set_intersect_p.
	(rare_destination): Remove.
	(mostly_true_jump): Simplify.  Base result on REG_BR_PROP notes if
	available, otherwise assume branches are not taken.
	(fill_eager_delay_slots): Update mostly_true_jump call.
	(relax_delay_slots): Likewise.

2012-11-26  Eric Botcazou  <ebotcazou@adacore.com>

	* reorg.c (redundant_insn): Do not handle DEBUG_INSNs.

2012-11-26  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/55277
	* lra-constraints.c (in_class_p): Check reg class contents too.

2012-11-26  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c (aarch64_builtin_decls): New.
	(aarch64_init_simd_builtins): Store declaration after builtin
	initialisation.
	(aarch64_builtin_decl): New.
	* config/aarch64/aarch64-protos.h (aarch64_builtin_decl): New.
	* config/aarch64/aarch64.c (TARGET_BUILTIN_DECL): Define.

2012-11-26  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/invoke.texi: Remove -dv documentation.  Fix up graph dump related
	documentation.  Document the '-graph' dump option.  Complete the '-slim'
	dump option documentation.

	* common.opt (Variable graph_dump_format): Remove.
	* flag-types.h (enum graph_dump_types): Remove.
	* flags.h (dump_for_graph): Remove.
	* opts.c (decode_d_option): Remove -dv handling.
	* sched-int.h (print_insn, print_pattern, print_value): Move prototypes
	from here ...
	* rtl.h: ...to here.  Add note that these functions ought to be in
	another file.
	* sched-vis.c (print_insn): Add detailed dump for insn notes.
	* print-rtl.c (dump_for_graph): Remove.
	(print_rtx): Remove dump_for_graph related code.
	* graph.c: Almost complete re-write to dump DOT (GraphViz) dumps
	instead of VCG dumps.
	* graph.h (print_rtl_graph_with_bb): Update prototype.
	* passes.c (finish_optimization_passes): Fix profile dump finishing.
	Unconditionally loop over graph dumps to finalize.
	(execute_function_dump): Split code to dump graphs to separate block.
	(execute_one_pass): Don't set TDF_GRAPH here, let the dump option
	decoders do their job.

	* ddg.c (vcg_print_ddg): Make it a DEBUG_FUNCTION.
	* toplev.c: Don't include graph.h.
	* tree-optimize.c: Don't include graph.h.

2012-11-26  Marek Polacek  <polacek@redhat.com>

	* cprop.c (hash_set): Remove variable.  Use regno variable directly.

2012-11-26  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h (DECL_RESTRICTED_P): Delete.
	(DECL_READ_P): Add comment.
	(DECL_NONSHAREABLE): Likewise.
	(TYPE_NO_FORCE_BLK): Fix comment.
	(struct tree_decl_common): Remove decl_restricted_flag, add decl_flag_3.
	* tree-emutls.c (new_emutls_decl): Do not deal with DECL_RESTRICTED_P.
	* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
	* tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.

	* alias.c (nonoverlapping_component_refs_p): Fix thinko.

2012-11-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* doc/sourcebuild.texi: Document arm_v8_vfp_ok.

2012-11-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.h (TARGET_FPU_ARMV8): New macro.
	* config/arm/arm.md (UNSPEC_VRINTZ, UNSPEC_VRINTP, UNSPEC_VRINTM)
	(UNSPEC_VRINTR, UNSPEC_VRINTX, UNSPEC_VRINTA): New unspecs.
	(f_rints, f_rintd): New types.
	* config/arm/iterators.md (VRINT): New int iterator.
	(F_fma_type): Remove.
	(vfp_type): New mode attribute.
	(vfp_double_cond): Likewise.
	(vrint_pattern, vrint_variant, vrint_predicable): New int attribute.
	* config/arm/vfp.md (fma<SDF:mode>4): Use vfp_type iterator
	instead of F_fma_type.
	(*fmsub<SDF:mode>4, *fnmsub<SDF:mode>4, *fnmadd<SDF:mode>4): Likewise.
	(<vrint_pattern><SDF:mode>2): New pattern.

2012-11-26  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (const_binop): Adjust comment.
	(extract_muldiv_1): Likewise.
	(fold_comparison): Likewise.
	* stor-layout.c (place_field): Fix typo.
	* tree.c (double_int_fits_to_tree_p): Remove obsolete comment.
	(force_fit_type_double): Likewise.  Fix long line.

2012-11-26  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.h (TARGET_LDRD): Reject Thumb1 targets.

2012-11-26  Matthias Klose  <doko@ubuntu.com>

	* config/rs6000/t-linux (MULTIARCH_DIRNAME): Fix unbalanced
	parentheses.

2012-11-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54471
	* tree-vrp.c (extract_range_from_binary_expr_1): For MULT_EXPR,
	don't canonicalize range if min2 is zero.

2012-11-26  Hans-Peter Nilsson  <hp@bitrange.com>

	PR middle-end/55030
	* builtins.c (expand_builtin_setjmp_receiver): Update comment
	regarding purpose of blockage.
	* emit-rtl.c [!HAVE_blockage] (gen_blockage): Similarly for
	the head comment.
	* rtlanal.c (volatile_insn_p): Ditto.
	* doc/md.texi (blockage): Update similarly.  Change wording to
	require one of two forms, rather than implying a wider choice.
	* cse.c (cse_insn): Where checking for blocking insns, use
	volatile_insn_p instead of manual check for volatile ASM.
	* dse.c (scan_insn): Ditto.
	* cselib.c (cselib_process_insn): Ditto.

2012-11-25  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (<sse>_loadu<ssemodesuffix><avxsizesuffix>):
	Do not depend on TARGET_SSE_TYPELESS_STORES.
	(<sse2>_loaddqu<avxsizesuffix>): Ditto.
	(<sse>_storeu<ssemodesuffix><avxsizesuffix>): Fix handling of
	TARGET_SSE_TYPELESS_STORES.
	(<sse2>_storedqu<avxsizesuffix>): Ditto.

2012-11-25  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/tm.texi.in (DELAY_SLOTS_FOR_EPILOGUE): Remove documentation.
	(ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
	* doc/tm.texi: Regenerate.
	* reorg.c (fill_simple_delay_slots): Remove code conditional on
	DELAY_SLOTS_FOR_EPILOGUE being defined.
	(make_return_insns, dbr_schedule): Likewise.
	* system.h (DELAY_SLOTS_FOR_EPILOGUE): Poison.
	(ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.

2012-11-24  Jack Howarth <howarth@bromo.med.uc.edu>

	* config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fsanitize=address.

2012-11-24  Matthias Klose  <doko@ubuntu.com>

	* configure.ac (multiarch): Use $enableval instead of $withval.
	* configure: Regenerate.
	* config/i386/t-kfreebsd (MULTILIB_OSDIRNAMES): Filter out x32.
	* gcc/config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use
	x86_64-linux-gnux32 as multiarch name for x32.

2012-11-23  Tobias Burnus  <burnus@net-b.de>

	* doc/invoke.texi (-fsanitize=address): Remove obsolete remark.

2012-11-23  Jakub Jelinek  <jakub@redhat.com>

	PR c++/54046
	* Makefile.in (gimple-low.o): Depend on langhooks.h.
	* gimple-low.c: Include langhooks.c.
	(block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
	by default call lang_hooks.block_may_fallthru.
	* langhooks.h (struct lang_hooks): Add block_may_fallthru langhook.
	* langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
	(LANG_HOOKS_INITIALIZER): Use it.

2012-11-23  Jan Hubicka  <jh@suse.cz>

	* i386-c.c (ix86_target_macros_internal): Update handling of core
	chips.
	* i386.c (DUMMY_STRINGOP_ALGS): Update
	(*_cost): Update.
	(core_cost): Copy from generic64_cost; fix stringop descriptors.
	(m_CORE2_32, m_CORE2_64, m_COREI7_32, m_COREI7_64, m_CORE2I7_32,
	m_CORE2I7_64): Remove.
	(m_CORE2, m_COREI7, m_CORE2I7): Update.
	(initial_ix86_tune_features): Update.
	(processor_target): Update.
	(ix86_option_override_internal): Update.
	(ix86_option_override_internal): Remove PROCESSOR_CORE2_64,
	PROCESSOR_COREI7_64 special cases.
	(decide_alg): Add noalign parameter; set it.
	(ix86_expand_movmem, ix86_expand_setmem): Update noalign handling.
	(ix86_issue_rate): Update.
	(ia32_multipass_dfa_lookahead): Update.
	(ix86_sched_init_global): Update.
	(get_builtin_code_for_version): Update.
	* i386.h (stringop_strategy): Add noalign flag.
	(TARGET_CORE2_32, TARGET_CORE2_64, TARGET_COREI7_32, TARGET_COREI7_64):
	Remove.
	(TARGET_CORE2, TARGET_COREI7): New.
	(enum processor_type): Remove PROCESSOR_CORE2_32, PROCESSOR_CORE2_64,
	PROCESSOR_COREI7_32, PROCESSOR_COREI7_64; add PROCESSOR_CORE2,
	PROCESSOR_COREI7.

2012-11-23  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/55388
	* alias.c (nonoverlapping_component_refs_p): Handle bitfields.
	* emit-rtl.c (adjust_address_1): Deal with VOIDmode early.
	* expmed.c (store_bit_field): Turn the call to adjust_address
	into a call to adjust_bitfield_address_size.

2012-11-23  Vladimir Makarov  <vmakarov@redhat.com>

	* lra.c (lra): Move init_reg_info and expand_reg_info calls before
	init_insn_recog_data.

2012-11-23  Jakub Jelinek  <jakub@redhat.com>

	* tsan.c: Fix up comment formatting.
	(instrument_gimple): Ignore gimple_clobber_p stmts.
	(pass_tsan, pass_tsan_O0): Remove TODO_update_address_taken
	from todo_flags_finish.

	PR sanitizer/55435
	* asan.c (gate_asan): Don't instrument functions with
	no_address_safety_analysis attribute.
	(gate_asan_O0): Use !optimize && gate_asan ().
	* doc/extend.texi (no_address_safety_analysis): Document new
	function attribute.

2012-11-22  Teresa Johnson  <tejohnson@google.com>
	    Jan Hubicka  <jh@suse.cz>

	* predict.c (maybe_hot_count_p): Use threshold from profiled working
	set instead of hard limit.
	(cgraph_maybe_hot_edge_p): Invoke maybe_hot_count_p() instead of
	directly checking limit.
	* params.def (HOT_BB_COUNT_FRACTION): Remove.
	(HOT_BB_COUNT_WS_PERMILLE): New parameter.
	* doc/invoke.texi (hot-bb-count-fraction): Remove.
	(hot-bb-count-ws-permille): Document.

2012-11-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55430
	* lra.c: Move #include "hard-reg-set.h" before #include "rtl.h".
	(new_insn_reg): Update biggest_mode.
	(collect_non_operand_hard_regs): Check eliminable regs too.
	(initialize_lra_reg_info_element): Initialize biggest_mode.
	(add_regs_to_insn_regno_info): Ignore non-allocatable
	non-eliminable hard regs.
	(lra.c): Move setting lra_no_alloc_regs before
	init_insn_recog_data.
	* lra-constraints.c (simplify_operand_subreg): Add a comment.
	(lra_constraints): Ignore equivalent memory of
	regs occuring in paradoxical subregs.
	* lra-lives.c (lra_create_live_ranges): Add a comment.

2012-11-22  Dmitry Vyukov  <dvyukov@google.com>
	    Wei Mi  <wmi@google.com>

	* builtins.def (DEF_SANITIZER_BUILTIN): Define tsan builtins.
	* sanitizer.def: Ditto.
	* Makefile.in (tsan.o): Add tsan.o target.
	(BUILTINS_DEF): Add sanitizer.def.
	* passes.c (init_optimization_passes): Add tsan passes.
	* tree-pass.h (register_pass_info): Ditto.
	* toplev.c (compile_file): Ditto.
	* doc/invoke.texi: Document tsan related options.
	* gcc.c (LINK_COMMAND_SPEC): Add LIBTSAN_SPEC in link command if
	-fsanitize=thread.
	* tsan.c: New file about tsan.
	* tsan.h: Ditto.
	* common.opt: Add -fsanitize=thread.

2012-11-22  Uros Bizjak  <ubizjak@gmail.com>

	* doc/md.texi (RTL Templates Transformation): Use @pxref for
	cross-reference in parentheses.

2012-11-22  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* doc/md.texi (AArch64 family): Remove Utf.

2012-11-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*jcc<mode>_0_i387): Macroize insn
	from *fp_jcc_3_387 using X87MODEF mode iterator.
	(*jcc<mode>_0_r_i387): New.
	(*jccxf_i387): Ditto.
	(*jccxf_r_i387): Ditto.
	(*jcc<mode>_i387): Macroize insn from *fp_jcc_1_387 using
	MODEF mode iterator.
	(*jcc<mode>_r_i387): Macroize insn from *fp_jcc_1r_387 using
	MODEF mode iterator.
	(*jccu<mode>_i387): Macroize insn from *fp_jcc_2_387 using
	X87MODEF mode iterator.
	(*jccu<mode>_r_i387): Macroize insn from *fp_jcc_2r_387 using
	X87MODEF mode iterator.
	(*jcc{,u}<mode>_i387 splitters): Macroize splitters using
	X87MODEF mode iterator.
	(*jcc<X87MODEF:mode>_<SWI24:mode>_i387): Macroize insn
	from *fp_jcc_4_<mode>_387 using X87MODEF mode iterator.
	(*jcc<X87MODEF:mode>_<SWI24:mode>_r_i387): New.
	(*jcc<X87MODEF:mode>_<SWI24:mode>_i387 splitters): Macroize
	splitters using X87MODEF and SWI24 mode iterators.

2012-11-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (FPCMP): New mode iterator.
	(unord): New mode attribute.
	(*cmp<mode>_0_i387): Macroize insn from *cmpfp_0
	using X87MODEF mode iterator.
	(*cmp<mode>_0_cc_i387): Macroize insn from *cmpfp_0_cc using
	X87MODEF mode iterator.
	(*cmpxf_i387): Rename from *cmpfp_xf.
	(*cmpxf_cc_i387): Rename from *cmpfp_xf_cc.
	(*cmp<mode>_i387): Rename from *cmpfp_<mode>.
	(*cmp<mode>_cc_i387): Rename from *cmpfp_<mode>_cc.
	(*cmpu<mode>_i387): Macroize insn from *cmpfp_u using X87MODEF
	mode iterator.
	(*cmpu<mode>_cc_i387): Macroize insn from *cmpfp_u_cc using X87MODEF
	mode iterator.
	(*cmp<X87MODEF:mode>_<SWI24:mode>_i387): Macroize_insn from
	*cmpfp_<mode> using X87MODEF mode iterator.
	(*cmp<X87MODEF:mode>_<SWI24:mode>_cc_i387): Macroize_insn from
	*cmpfp_<mode>_cc using X87MODEF mode iterator.
	(*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
	*cmpfp_i{,u}_mixed using FPCMP and MODEF mode iterators.
	(*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
	*cmpfp_i{,u}_sse using FPCMP and MODEF mode iterators.
	(*cmpi<CCFPCMP:unord><X87MODEF:mode>_i387): Macroize insn from
	*cmpfp_i{,u}_387 using FPCMP and X87MODEF mode iterators.

2012-11-22  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (bswaphi2): New pattern.

2012-11-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR sanitizer/55379
	* gcc.c (LINK_COMMAND_SPEC): Issue an error for -static with
	-fsanitize=address.

2012-11-22  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.c (ADD_STATIC_LIBASAN_LIBS): New macro.  Defined
	with STATIC_LIBASAN_LIBS.
	(LIBASAN_SPEC): Add STATIC_LIBASAN_LIBS.
	* config/gnu-user.h (STATIC_LIBASAN_LIBS): New macro.

2012-11-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (*arm_abssi2): Define predicable attribute.
	(*arm_neg_abssi2): Likewise.
	* config/arm/thumb2.md (*thumb2_abssi2): Likewise.
	(*thumb2_neg_abssi2): Likewise.

2012-11-22  Jakub Jelinek  <jakub@redhat.com>

	* ree.c (struct ext_modified): Add ATTRIBUTE_PACKED.

2012-11-22  Georg-Johann Lay  <avr@gjlay.de>

	Adjust decimal point of signed accum mode to GCC default.

	PR target/54222
	* config/avr/avr-modes.def (HA, SA, DA): Remove mode adjustments.
	(TA): Move decimal point one bit to the right.
	* config/avr/avr.c (avr_out_fract): Rewrite.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

	* config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
	* config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

	* config/m68k/t-linux: Define MULTIARCH_DIRNAME.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

	* config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
	* config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.

2012-11-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55414
	* lra-constraints.c (Index): New function.
	(lra_constraints): Check dead equiv init insns.

2012-11-21  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.md (extvmisaligndi): Rename from extv; update
	mode of operand 1; remove ancient extract_bit_field workaround.
	(insvmisaligndi): Rename from insv and update similarly.
	(extzvmisaligndi): Rename from extzv and update similarly; split out...
	(extzvdi): New expander.

2012-11-21  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/cpp.texi: Document __SANITIZE_ADDRESS__.

2012-11-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/55397
	* cppbuiltin.c (define_builtin_macros_for_compilation_flags):
	Define __SANITIZE_ADDRESS__ for flag_asan.

2012-11-21  Wei Mi  <wmi@google.com>

	* common.opt: Change faddress-sanitizer to fsanitize=address.
	* toplev.c (process_options): Likewise.
	* gcc.c (LINK_COMMAND_SPEC): Likewise.
	* testsuite/lib/asan-dg.exp
	(check_effective_target_faddress_sanitizer): Likewise.
	(asan_init): Likewise.
	* doc/invoke.texi (-fsanitize=address): Document.

2012-11-21  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.h (struct ipa_node_params): Rename clone_for_all_contexts to
	do_clone_for_all_contexts.  Update all uses.  New flag
	is_all_contexts_clone.
	* ipa-cp.c (cgraph_edge_brings_value_p): Also consider the case when cs
	leads to the clone for all contexts.
	(perhaps_add_new_callers): Likewise.
	(decide_whether_version_node): Remove bogus !plats->aggs test.  Set
	is_all_contexts_clone when cloning for all contexts.

2012-11-21  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55260
	* ipa-cp.c (intersect_aggregates_with_edge): New function.
	(find_aggregate_values_for_callers_subset): Part moved to the function
	above.  Call it.
	(cgraph_edge_brings_all_agg_vals_for_node): Reimplemented using
	intersect_aggregates_with_edge.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

	* config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.

2012-11-21  Teresa Johnson  <tejohnson@google.com>

	PR gcov-profile/55417
	* profile.c (compute_working_sets): Check index first
	to avoid out-of-bounds array access.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

	* config/aarch64/t-aarch64-linux: Define MULTIARCH_DIRNAME for
	linux target.

2012-11-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md
	(*float<SWI48x:mode><MODEF:mode>2_mixed_with_temp): Use SWI48 mode
	iterator instead of SWI48x.  Update insn constraint.
	(*float<SWI48x:mode><MODEF:mode>2_mixed_interunit): Ditto.
	(*float<SWI48x:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
	(*float<SWI48x:mode><MODEF:mode>2_sse_with_temp): Ditto.
	(*float<SWI48x:mode><MODEF:mode>2_sse_interunit): Ditto.
	(*float<SWI48x:mode><MODEF:mode>2_sse_nointerunit): Ditto.
	(*float<SWI48x:mode><MODEF:mode>2 splitters): Ditto.
	(lrint<MODEF:mode><SWI48x:mode>2): Ditto.

2012-11-21  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* Makefile.in (gengtype-lex.o): Add dependency on $(BCONFIG_H).

2012-11-21  Bin Cheng  <bin.cheng@arm.com>

	* config/arm/arm-cores.def (cortex-m1, cortex-m0)
	(cortex-m0plus): Use v6m.
	* config/arm/arm-protos.h (tune_params): Add
	logical_op_non_short_circuit.
	* config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune)
	(arm_strongarm_tune, arm_xscale_tune, arm_9e_tune, arm_v6t2_tune)
	(arm_cortex_tune, arm_cortex_a15_tune, arm_cortex_a5_tune)
	(arm_cortex_a9_tune, arm_fa726te_tune): Set
	logical_op_non_short_circuit field.
	(arm_v6m_tune): New tune_params struct.
	* config/arm/arm.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Define.

2012-11-20  Matthias Klose  <doko@ubuntu.com>

	* configure.ac: Substitute `with_cpu'.
	* configure: Regenerate.
	* Makefile.in: Define `with_cpu'.
	* config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
	* config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
	* config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
	to the list.
	(MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
	* config/rs6000/t-spe: Define MULTIARCH_DIRNAME.
	* config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
	Include rs6000/t-linux for 32bit non-biarch configurations.

2012-11-20  Matthias Klose  <doko@ubuntu.com>

	* doc/install.texi: Move multiarch paragraph out of multilib
	documentation.

2012-11-20  Matthias Klose  <doko@ubuntu.com>

	* config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.

2012-11-20  Richard Sandiford  <rdsandiford@googlemail.com>

	* stor-layout.c (bit_field_mode_iterator::next_mode): Fix signedness.

2012-11-20  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55396
	* lra-constraints.c (get_reload_reg): Change class if it is
	different from reg class.

2012-11-20  Jakub Jelinek  <jakub@redhat.com>

	* vec.h (class vec_prefix): Change into struct.
	Rename field alloc_PRIVATE_ back to alloc_.
	Rename field num_PRIVATE_ to num_.
	Update all users.
	(class vec<T, A, vl_embed>): Rename field pfx_PRIVATE_ to vecpfx_.
	Rename field data_PRIVATE_ to vecdata_.
	Update all users.
	(class vec<T, A, vl_ptr>): Make every field public.
	Rename field vec_PRIVATE_ back to vec_.
	Update all users.

2012-11-20  Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/55403
	PR middle-end/55391
	* expmed.c (store_bit_field_1): Use adjust_bitfield_address_size
	rather than adjust_bitfield_address to change the mode of a reference.
	(extract_bit_field_1): Likewise.

2012-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
	explaining the register ordering preferences.

2012-11-20  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/55350
	* gimple-ssa-strength-reduction.c (replace_dependent): Handle
	POINTER_PLUS_EXPR correctly.

2012-11-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (fix_trunc<MODEF:mode><SWI48:mode>_sse): Macroize
	insn from fix_trunc<mode>{si,di}_sse using SWI48 mode iterator.
	(peephole2 to avoid vector decoded forms): Macroize peephole2
	using MODEF mode iterator.  Use SWI48 mode iterator instead of SWI48x.

2012-11-20  Uros Bizjak  <ubizjak@gmail.com>

	PR target/19398
	* config/i386/i386.md
	(peephole2 to shorten x87->SSE reload sequences): Remove peephole2.
	* config/i386/i386.h (enum ix86_tune_indices)
	<IX86_TUNE_SHORTEN_X87_SSE>: Remove.
	(TARGET_SHORTEN_X87_SSE): Remove.
	* config/i386/i386.c (initial_ix86_tune_features): Update.

2012-11-20  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/19398
	* lra-constraints.c (process_alt_operands): Discourage reloads
	through secondary memory.

2012-11-20  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.md (largetoc_low): Revert.
	(largetoc_low_aix<mode>): New.

2012-11-20  Diego Novillo  <dnovillo@google.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* vec.h (struct vnull): Declare.
	(vNULL): Declare.
	* vec.c (vNULL): Define.
	* bb-reorder.c: Replace all vec<T, A>() initializers with vNULL.
	* cfgexpand.c: Likewise.
	* cfgloop.c: Likewise.
	* cfgloopanal.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* cgraph.c: Likewise.
	* config/c6x/c6x.c: Likewise.
	* config/i386/i386.c: Likewise.
	* df-core.c: Likewise.
	* dominance.c: Likewise.
	* dwarf2out.c: Likewise.
	* except.c: Likewise.
	* function.c: Likewise.
	* gcse.c: Likewise.
	* genautomata.c: Likewise.
	* graphds.c: Likewise.
	* graphite-scop-detection.c: Likewise.
	* graphite.c: Likewise.
	* haifa-sched.c: Likewise.
	* ifcvt.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline-analysis.c: Likewise.
	* ipa-inline-transform.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-split.c: Likewise.
	* ipa-utils.c: Likewise.
	* ira-build.c: Likewise.
	* lto-cgraph.c: Likewise.
	* lto-streamer-in.c: Likewise.
	* lto-symtab.c: Likewise.
	* opts-global.c: Likewise.
	* passes.c: Likewise.
	* ree.c: Likewise.
	* sched-deps.c: Likewise.
	* sel-sched-ir.c: Likewise.
	* sel-sched-ir.h: Likewise.
	* sel-sched.c: Likewise.
	* stor-layout.c: Likewise.
	* trans-mem.c: Likewise.
	* tree-call-cdce.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-diagnostic.c: Likewise.
	* tree-eh.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-ssa-math-opts.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* tree-ssa-uninit.c: Likewise.
	* tree-stdarg.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-vect-data-refs.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* tree-vect-slp.c: Likewise.
	* tree-vect-stmts.c: Likewise.
	* value-prof.c: Likewise.
	* varasm.c: Likewise.

2012-11-20  Diego Novillo  <dnovillo@google.com>

	* Makefile.in (tlink.o): Add dependency on VEC_H.

2012-11-20  Diego Novillo  <dnovillo@google.com>

	PR middle-end/55398
	* vec.h (class vec_prefix): Make every field public.
	Rename field alloc_ to alloc_PRIVATE_.
	Rename field num_ to num_PRIVATE_.
	Update all users.
	(class vec<T, A, vl_embed>): Make every field public.
	Rename field pfx_ to pfx_PRIVATE_.
	Rename field data_ to data_PRIVATE_.
	Update all users.
	(class vec<T, A, vl_ptr>): Make every field public.
	Rename field vec_ to vec_PRIVATE_.
	Update all users.

2012-11-20  Kai Tietz  <ktietz@redhat.com>

	PR target/55268
	* i386.c (ix86_mangle_decl_assembler_name): Use
	SUBTARGET_MANGLE_DECL_ASSEMBLER_NAME if defined.
	* cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Rename
	to SUBTARGET_MANGLE_DECL_ASSEMBLER_NAME.

2012-11-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_expand_call): Emit CLOBBERs in VOIDmode.

2012-11-20  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.c (F): New function.  Mark the given insn as
	being frame related.
	(v850_all_frame_related): New function.  Mark the given push insn
	as being frame related.
	(v850_pass_by_reference): When using the RH850 ABI do not pass
	arguments by reference.
	(v850_strict_argument_naming): Delete function.
	(v850_function_arg): Use word alignment with the RH850 ABI.
	(v850_arg_partial_bytes): Likewise.
	(v850_function_arg_advance): Likewise.
	(v850_print_operand): Handle CONST_INT and CONST_DOUBLE.
	(compute_register_save_size): Use df_regs_ever_live_p.
	(increment_stack): Mark prologue adjustments as being frame related.
	(expand_prologue): Handle pretend args.  Mark insns generated as
	being frame related.
	(expand_epilogue): Likewise.
	(v850_return_in_memory): When using the RH850 ABI return
	aggregates in memory.
	(v850_setup_incoming_varargs): Delete function.
	(v850_option_override): New function.
	(TARGET_DEBUG_UNWIND_INFO): Delete definition.
	(TARGET_SETUP_INCOMING_VARARGS): Likewise.
	(TARGET_STRICT_ARGUMENT_NAMING): Likewise.
	(TARGET_OPTION_OVERRIDE): Define.
	* config/v850/v850.h (ASM_SPEC): Pass 8byte-align and gcc-abi
	options on to assembler.
	(LINK_SPEC): Likewise.
	(TARGET_CPU_CPP_BUILTINS): Define __V850_8BYTE_ALIGN__ and
	__V850_GCC_ABI__.
	(STACK_BOUNDARY): Set to BIGGEST_ALIGNMENT.
	(FUNCTION_BOUNDARY): With the RH850 ABI always 32-bit alignment.
	(BIGGEST_ALIGNMENT): With -8byte-align set to 64-bits.
	(BIGGEST_FIELD_ALIGNMENT): Likewise.
	(enum reg_class): Swap EVEN_REGS and GENERAL_REGS.
	(REG_CLASS_NAMES): Likewise.
	(REG_CLASS_CONTENTS): Likewise.
	(struct cum_arg): Delete anonymous_args field.
	(INIT_CUMULATIVE_ARGS): Update.
	(PREFERRED_DEBUG): Set to DWARF2_DEBUG.
	(DWARF2_FRAME_INFO): Define.
	(DWARF2_UNWIND_INFO): Define.
	(INCOMING_RETURN_ADDR_RTX): Define.
	(DWARF_FRAME_RETURN_COLUMN): Define.
	(TARGET_USE_FPU): Define.
	* config/v850/v850.md: Replace TARGET_V850E2V3 in floating point
	insns with TARGET_USE_FPU.
	(fixuns_truncsfsi2): New pattern.
	(fixuns_truncdfsi2): New pattern.
	(fix_truncsfdi2): New pattern.
	(fixuns_truncsfdi2): New pattern.
	(fix_truncdfdi2): New pattern.
	(fixuns_truncdfdi2): New pattern.
	(unsfloatsisf2): New pattern.
	(unsfloatsidf2): New pattern.
	(floatdisf2): New pattern.
	(unsfloatdisf2): New pattern.
	(floatdidf2): New pattern.
	(unsfloatdidf2): New pattern.
	(fnmasf4): Fix RTl description.
	(fnmssf4): Likewise.
	* config/v850/v850.opt (mrelax): New option.
	(mlong-jumps): Likewise.
	(msoft-float): Likewise.
	(mhard-float): Likewise.
	(mrh850-abi): Likewise.
	(mgcc-abi): Likewise.
	(m8byte-align): Likewise.
	* config/v850/t-v850 (MULTILIB_OPTIONS): Update multilib options.
	(MULTILIB_DIRNAMES): Likewise.

2012-11-20  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_function_arg_boundary): When using the RX ABI
	align stack arguments to their natural alignment.
	(rx_narrow_volatile_bitfield): New function.  Allows narrow
	volatile bitfields.
	(rx_ok_to_inline): New function.  Do not inline functions with
	local variables into a naked caller.
	(TARGET_NARROW_VOLATILE_BITFIELD): Define.
	(TARGET_CAN_INLINE_P): Define.
	* config/rx/rx.c (TARGET_CPU_CPP_BUILTINS): Define __RX_ABI__ or
	__RX_GC_ABI__.
	(ASM_SPEC): Pass -mgcc-abi on to the assembler.
	(STRICT_ALIGNMENT): Set to false.
	(CTORS_SECTION_ASM_OP): Add executable attribute.
	(DTORS_SECTION_ASM_OP): Add executable attribute.
	(INIT_ARRAY_SECTION_ASM_OP): Add executable attribute.
	(FINI_ARRAY_SECTION_ASM_OP): Add executable attribute.
	* config/rx/rx.md (subdi3): Don't allow MEMs as the third operand,
	as it causes too much reload pressure.
	* config/rx/rx.opt (mgcc-abi): New option.
	(mrx-abi): New option.
	* config/rx/t-rx (MULTILIB_OPTIONS): Show how to add an ABI multilib.
	(MULTILIB_DIRNAMES): Likewise.

2012-11-20  James Greenhalgh  <james.greenhalgh@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_simd_builtin_type_bits): Rename to...
	(aarch64_simd_builtin_type_mode): ...this, make sequential.
	(aarch64_simd_builtin_datum): Refactor members.
	(VAR1, VAR2, ..., VAR12): Update accordingly.
	(aarch64_simd_builtin_data): Include from aarch64-simd-builtins.def.
	(aarch64_builtins): Update accordingly.
	(init_aarch64_simd_builtins): Refactor, rename to...
	(aarch64_init_simd_builtins): ...this.
	(aarch64_simd_builtin_compare): Remove.
	(locate_simd_builtin_icode): Likewise.
	* config/aarch64/aarch64-protos.h (aarch64_init_builtins): New.
	(aarch64_expand_builtin): New.
	* config/aarch64/aarch64-simd-builtins.def: New file.
	* config/aarch64/aarch64.c (aarch64_init_builtins):
	Move to aarch64-builtins.c.
	(aarch64_expand_builtin): Likewise.
	* config/aarch64/aarch64.h
	(aarch64_builtins): Move to aarch64-builtins.c.

2012-11-20  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55260
	* ipa-cp.c (find_aggregate_values_for_callers_subset): Rename info to
	dest_info, use caller_info instead of info when determining whether
	callee is a clone.

2012-11-20  Andrey Turetskiy  <andrey.turetskiy@gmail.com>

	* config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3): Merge
	*avx2_pmulhrswv16hi3 and *ssse3_pmulhrswv8hi3 into one pattern.

2012-11-20  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.md
	(define_attr "sync_*"): Remove.
	(define_attr "length"): Update.
	Include atomics.md.
	* config/aarch64/aarch64-protos.h
	(aarch64_expand_compare_and_swap): Add function prototype.
	(aarch64_split_compare_and_swap): Likewise.
	(aarch64_split_atomic_op): Likewise.
	(aarch64_expand_sync): Remove function prototype.
	(aarch64_output_sync_insn): Likewise.
	(aarch64_output_sync_lock_release): Likewise.
	(aarch64_sync_loop_insns): Likewise.
	(struct aarch64_sync_generator): Remove.
	(enum aarch64_sync_generator_tag): Likewise.
	* config/aarch64/aarch64.c
	(aarch64_legitimize_sync_memory): Remove function.
	(aarch64_emit): Likewise.
	(aarch64_insn_count): Likewise.
	(aarch64_output_asm_insn): Likewise.
	(aarch64_load_store_suffix): Likewise.
	(aarch64_output_sync_load): Likewise.
	(aarch64_output_sync_store): Likewise.
	(aarch64_output_op2): Likewise.
	(aarch64_output_op3): Likewise.
	(aarch64_output_sync_loop): Likewise.
	(aarch64_get_sync_operand): Likewise.
	(aarch64_process_output_sync_insn): Likewise.
	(aarch64_output_sync_insn): Likewise.
	(aarch64_output_sync_lock_release): Likewise.
	(aarch64_sync_loop_insns): Likewise.
	(aarch64_call_generator): Likewise.
	(aarch64_expand_sync): Likewise.
	(* emit_f): Remove variable.
	(aarch64_insn_count): Likewise.
	(FETCH_SYNC_OPERAND): Likewise.
	(aarch64_emit_load_exclusive): New function.
	(aarch64_emit_store_exclusive): Likewise.
	(aarch64_emit_unlikely_jump): Likewise.
	(aarch64_expand_compare_and_swap): Likewise.
	(aarch64_split_compare_and_swap): Likewise.
	(aarch64_split_atomic_op): Likewise.
	* config/aarch64/iterators.md
	(atomic_sfx): New mode attribute.
	(atomic_optab): New code attribute.
	(atomic_op_operand): Likewise.
	(atomic_op_str): Likewise.
	(syncop): Rename to atomic_op.
	* config/aarch64/sync.md: Delete.
	* config/aarch64/atomics.md: New file.

2012-11-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/55094
	* builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
	on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
	* cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
	on the first old_insns_match_p call.  For !ACCUMULATE_OUTGOING_ARGS
	fail if the last real insn doesn't have REG_ARGS_SIZE note.

	PR rtl-optimization/54921
	* cselib.h (fp_setter_insn): New prototype.
	* cselib.c (fp_setter_insn): New function.
	(cselib_process_insn): If frame_pointer_needed,
	call cselib_invalidate_rtx (stack_pointer_rtx) after
	processing a frame pointer setter.
	* var-tracking.c (fp_setter): Removed.
	(vt_initialize): Use fp_setter_insn instead of fp_setter.

2012-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
	constraints so that the traditional floating point loads, stores,
	and moves are done first, then the VSX loads, stores, and moves,
	and finally the GPR loads, stores, and moves so that reload
	chooses FPRs over GPRs, and uses the traditional load/store
	instructions which provide an offset.
	(movdf_hardfloat64): Likewise.

2012-11-19  Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/55359
	* simplify-rtx.c (simplify_subreg): Return null for invalid offsets.

2012-11-19  Aldy Hernandez  <aldyh@redhat.com>

	* trans-mem.c (execute_tm_mark): Release bb_regions.

2012-11-19  Aldy Hernandez  <aldyh@redhat.com>

	* trans-mem (collect_bb2reg): Stop scanning at irrevocable blocks.
	(get_bb_regions_instrumented): Add new traverse_clone argument and
	use it.
	(expand_regions_1): Same.
	(expand_region): Same.
	(execute_tm_mark): Pass new argument to expand_regions.
	(expand_block_edges): Pass new argument to get_bb_regions_instrumented.

2012-11-19  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.c
	(aarch64_output_mi_thunk): Refactor to generate RTL patterns.

2012-11-19  Mans Rullgard  <mans@mansr.com>

	PR target/55276
	* config/rs6000/rs6000.c (rs6000_stack_info): Always set vrsave_mask
	for TARGET_ALTIVEC_ABI.  Zero vrsave_save_offset if
	!TARGET_ALTIVEC_VRSAVE.
	(rs6000_emit_prologue): For SAVE_INLINE_VLRs, check vrsave_size
	not vrsave_mask.

2012-11-19  David Edelsohn  <dje.gcc@gmail.com>

	PR bootstrap/55384
	* system.h (vec_free): Undef.

2012-11-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/54630
	* tree-ssa-coalesce.c (coalesce_ssa_name): Remove static
	keyword from ssa_name_hash var.

2012-11-19  Maxim Kuznetsov  <maxim.kuznetsov@intel.com>
	    Kirill Yukhin  <kirill.yukhin@intel.com>
	    Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* doc/md.texi: Document define_subst.
	* gensupport.c (MAX_OPERANDS): New define.
	(operand_data): New.
	(match_operand_entries_in_pattern): New.
	(used_operands_numbers): New.
	(subst_true): New.
	(subst_false): New.
	(define_subst_queue): New.
	(define_subst_tail): New.
	(define_subst_attr_queue): New.
	(define_subst_attr_tail): New.
	(has_subst_attribute): New.
	(subst_pattern_match): New.
	(get_alternatives_number): New.
	(alter_output_for_subst_insn): New.
	(alter_attrs_for_subst_insn): New.
	(process_substs_on_one_elem): New.
	(subst_dup): New.
	(process_define_subst): New.
	(duplicate_alternatives): New.
	(duplicate_each_alternative): New.
	(constraints_handler_t): New typedef.
	(alter_constraints): New.
	(adjust_operands_numbers): New.
	(replace_duplicating_operands_in_pattern): New.
	(remove_from_queue): New.
	(process_rtx): Handle define_subst and define_subst_attr.
	(change_subst_attribute): New.
	(alter_predicate_for_insn): Fix formatting.
	(alter_attrs_for_insn): Likewise.
	(alter_output_for_insn): Likewise.
	(mark_operands_from_match_dup): New.
	(mark_operands_used_in_match_dup): New.
	(find_first_unused_number_of_operand): New.
	(renumerate_operands_in_pattern): New.
	(generate_match_dup): New.
	(check_define_attr_duplicates): New.
	(init_rtx_reader_args_cb): Add checking for duplicated attrs and
	processing of define_subst.
	(read_md_rtx): Handle define_subst.
	* read-rtl.c (struct subst_attr_to_iter_mapping): New.
	(substs): New global.
	(apply_subst_iterator): New.
	(bind_subst_iter_and_attr): New.
	(find_subst_iter_by_attr): New.
	(map_attr_string): Handle subst-iterators.
	(add_condition_to_rtx): Handle define_subst.
	(apply_iterators): Likewise.
	(initialize_iterators): Likewise.
	(add_define_attr_for_define_subst): New.
	(add_define_subst_attr): New.
	(read_subst_mapping): New.
	(read_rtx): Handle define_subst_attr.
	(read_rtx_code): Add subst-attributes recognition during reading of
	strings.
	* rtl.def (DEFINE_EXPAND): Add vector of attributes.
	(DEFINE_SUBST): New.
	(DEFINE_SUBST_ATTR): New.

2012-11-19  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/55315

	* rtlanal.c (nonzero_address_p): Don't assume a nonzero address plus a
	const is a nonzero address.

2012-11-18  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Use @smallexample consistently.  Add @noindent
	when continuing a sentence or paragraph past an example.  Change
	tabs to spaces in examples.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* doc/md.texi (extv@var{m}, extvmisalign@var{m}, extzv@var{m})
	(extzvmisalign@var{m}, insv@var{m}, insvmisalign@var{m}): Document.
	(insv, extv, extzv): Deprecate.
	* optabs.def (insv_optab, extv_optab, extzv_optab)
	(insvmisalign_optab, extvmisalign_optab, extzvmisalign_optab):
	New optabs.
	* optabs.c (get_optab_extraction_insn): New function.
	(get_extraction_insn): Use it.
	* config/mips/mips.md (extv): Split into...
	(extvmisalign<mode>, extv<mode>): ...these new patterns.  Rename
	existing extv<mode> pattern to...
	(*extv<mode>): ...this.
	(extzv): Split into...
	(extzvmisalign<mode>, extzv<mode>): ...these new patterns.  Rename
	existing extzv<mode> pattern to...
	(*extzv<mode>): ...this.
	(insv): Split into...
	(insvmisalign<mode>, insv<mode>): ...these new patterns.  Rename
	existing insv<mode> pattern to...
	(*insv<mode>): ...this.  Use const_int_operand rather than
	immediate_operand.
	* config/mips/mips.c (mips_block_move_straight): Use set_mem_size
	to set the size of BLKmode accesses.
	(mips_get_unaligned_mem): Require OP0 to be a BLKmode memory,
	turning it from an "rtx *" to an rtx.
	(mips_expand_ext_as_unaligned_load): Simplify for new optab
	interface.  Update call to mips_get_unaligned_mem.
	(mips_expand_ins_as_unaligned_store): Update call to
	mips_get_unaligned_mem.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* Makefile.in (recog.o): Add insn-codes.h.
	* expr.h (extraction_pattern): Move to optabs.h.
	(mode_for_extraction): Delete.
	* optabs.h (extraction_insn): New structure.
	(extraction_pattern): Moved from expr.h.
	(get_best_reg_extraction_insn, get_best_mem_extraction_insn): Declare.
	* optabs.c (HAVE_insv, CODE_FOR_insv, HAVE_extv, CODE_FOR_extv)
	(HAVE_extzv, CODE_FOR_extzv): Provide defaults.
	(extraction_type): New enum.
	(get_traditional_extraction_insn, get_extraction_insn)
	(get_best_reg_extraction_insn, get_best_mem_extraction_insn):
	New functions.
	* combine.c (make_extraction): Use get_best_reg_extraction_insn
	instead of mode_for_extraction.
	* expmed.c (HAVE_insv, CODE_FOR_insv, gen_insv, HAVE_extv)
	(CODE_FOR_extv, gen_extv, HAVE_extzv, CODE_FOR_extzv, gen_extzv):
	Remove fallback definitions.
	(mode_for_extraction): Delete.
	(adjust_bit_field_mem_for_reg): New function.
	(store_bit_field_using_insv): Replace OP_MODE parameter with
	an extraction_insn.  Pass struct_mode to narrow_bit_field_mem.
	(extract_bit_field_using_extv): Likewise EXT_MODE.
	(store_bit_field_1): Use get_best_reg_extraction_insn and
	get_best_mem_extraction_insn instead of mode_for_extraction.
	Use adjust_bit_field_mem_for_reg when forcing memory to a
	register and doing a register insertion.  Update calls to
	store_bit_field_using_insv.
	(extract_bit_field_1): Likewise extractions and calls to
	extract_bit_field_using_extv.
	(store_Bit_field): When narrowing to a bitregion, don't use the
	insv mode as a limit.
	* recog.c: (HAVE_extv, CODE_FOR_extv, HAVE_extzv, CODE_FOR_extzv):
	Provide defaults.
	(simplify_while_replacing): Use insn_data instead of
	mode_for_extraction.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
	Set up a default value of bitregion_end_.
	(bit_field_mode_iterator::next_mode): Always apply bitregion_end_
	check.  Include SLOW_UNALIGNED_ACCESS in the alignment check.
	(get_best_mode): Ignore modes that are wider than the alignment.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* machmode.h (bit_field_mode_iterator): New class.
	(get_best_mode): Change final parameter to bool.
	* stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator)
	(bit_field_mode_iterator::next_mode): New functions, split out from...
	(get_best_mode): ...here.  Change final parameter to bool.
	Use bit_field_mode_iterator.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (narrow_bit_field_mem): New function.
	(store_bit_field_using_insv, store_bit_field_1, store_fixed_bit_field)
	(extract_bit_field_1): Use it.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* expr.h (adjust_address_1): Add a size parameter.
	(adjust_address, adjust_address_nv, adjust_bitfield_address)
	(adjust_bitfield_address_nv): Adjust accordingly.
	(adjust_bitfield_address_size): Define.
	* emit-rtl.c (adjust_address_1): Add a size parameter.
	Use it to set the size if MODE has no size.  Check whether
	the size matches before returning the original memref.
	Require the size to be known for adjust_object.
	(adjust_automodify_address_1, widen_memory_access): Update calls
	to adjust_address_1.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* combine.c (make_extraction): Handle TRUNCATEd INNERs.

2012-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* expr.c (expand_assignment): Don't set MEM_KEEP_ALIAS_SET_P here.
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Handle DECL_BIT_FIELDs,
	using their size instead of the COMPONENT_REF's.

2012-11-17  Matthias Klose  <doko@ubuntu.com>

	* config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.

2012-11-17  Diego Novillo  <dnovillo@google.com>

	VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)

	* vec.c (register_overhead): Convert it into
	member function of vec_prefix.
	(release_overhead): Likewise.
	(calculate_allocation): Likewise.
	(vec_heap_free): Remove.
	(vec_gc_o_reserve_1): Remove.
	(vec_heap_o_reserve_1): Remove.
	(vec_stack_o_reserve_1): Remove.
	(vec_stack_o_reserve_exact): Remove.
	(register_stack_vec): New.
	(stack_vec_register_index): New.
	(unregister_stack_vec): New.
	(vec_assert_fail): Remove.
	* vec.h: Conditionally include ggc.h.  Document conditional hackery.
	Update top-level documentation.
	(ALONE_VEC_CHECK_INFO): Remove.
	(VEC_CHECK_INFO): Remove.
	(ALONE_VEC_CHECK_DECL): Remove.
	(VEC_CHECK_DECL): Remove.
	(ALONE_VEC_CHECK_PASS): Remove.
	(VEC_CHECK_PASS): Remove.
	(VEC_ASSERT): Remove.
	(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and va_stack.
	Mark fields alloc_ and num_ as protected.
	(struct vec_t): Remove.  Remove all function members.
	(struct vl_embed): Declare.
	(struct vl_ptr): Declare.
	(free): Remove.
	(reserve_exact): Remove.
	(reserve): Remove.
	(safe_splice): Remove.
	(safe_push): Remove.
	(safe_grow): Remove.
	(safe_grow_cleared): Remove.
	(safe_insert): Remove.
	(DEF_VEC_I): Remove.
	(DEF_VEC_ALLOC_I): Remove.
	(DEF_VEC_P): Remove.
	(DEF_VEC_ALLOC_P): Remove.
	(DEF_VEC_O): Remove.
	(DEF_VEC_ALLOC_O): Remove.
	(DEF_VEC_ALLOC_P_STACK): Remove.
	(DEF_VEC_ALLOC_O_STACK): Remove.
	(DEF_VEC_ALLOC_I_STACK): Remove.
	(DEF_VEC_A): Remove.
	(DEF_VEC_ALLOC_A): Remove.
	(vec_stack_p_reserve_exact_1): Remove.
	(vec_stack_o_reserve): Remove.
	(vec_stack_o_reserve_exact): Remove.
	(VEC_length): Remove.
	(VEC_empty): Remove.
	(VEC_address): Remove.
	(vec_address): Remove.
	(VEC_last): Remove.
	(VEC_index): Remove.
	(VEC_iterate): Remove.
	(VEC_embedded_size): Remove.
	(VEC_embedded_init): Remove.
	(VEC_free): Remove.
	(VEC_copy): Remove.
	(VEC_space): Remove.
	(VEC_reserve): Remove.
	(VEC_reserve_exact): Remove.
	(VEC_splice): Remove.
	(VEC_safe_splice): Remove.
	(VEC_quick_push): Remove.
	(VEC_safe_push): Remove.
	(VEC_pop): Remove.
	(VEC_truncate): Remove.
	(VEC_safe_grow): Remove.
	(VEC_replace): Remove.
	(VEC_quick_insert): Remove.
	(VEC_safe_insert): Remove.
	(VEC_ordered_remove): Remove.
	(VEC_unordered_remove): Remove.
	(VEC_block_remove): Remove.
	(VEC_lower_bound): Remove.
	(VEC_alloc): Remove.
	(VEC_qsort): Remove.

	(va_heap): Declare.
	(va_heap::default_layout): New typedef to vl_ptr.
	(va_heap::reserve): New.
	(va_heap::release): New.
	(va_gc): Declare.
	(va_gc::default_layout): New typedef to vl_embed.
	(va_gc::reserve): New.
	(va_gc::release): New.
	(va_gc_atomic): Declare.  Inherit from va_gc.
	(va_stack): Declare.
	(va_stack::default_layout): New typedef to vl_ptr.
	(va_stack::alloc): New.
	(va_stack::reserve): New.
	(va_stack::release): New.
	(register_stack_vec): Declare.
	(stack_vec_register_index): Declare.
	(unregister_stack_vec): Declare.

	(vec<T, A = va_heap, L = typename A::default_layout>): Declare
	empty vec template.
	(vec<T, A, vl_embed>): Partial specialization for embedded
	layout.
	(vec<T, A, vl_embed>::allocated): New.
	(vec<T, A, vl_embed>::length): New.
	(vec<T, A, vl_embed>::is_empty): New.
	(vec<T, A, vl_embed>::address): New.
	(vec<T, A, vl_embed>::operator[]): New.
	(vec<T, A, vl_embed>::last New.
	(vec<T, A, vl_embed>::space): New.
	(vec<T, A, vl_embed>::iterate): New.
	(vec<T, A, vl_embed>::iterate): New.
	(vec<T, A, vl_embed>::copy): New.
	(vec<T, A, vl_embed>::splice): New.
	(vec<T, A, vl_embed>::quick_push New.
	(vec<T, A, vl_embed>::pop New.
	(vec<T, A, vl_embed>::truncate): New.
	(vec<T, A, vl_embed>::quick_insert): New.
	(vec<T, A, vl_embed>::ordered_remove): New.
	(vec<T, A, vl_embed>::unordered_remove): New.
	(vec<T, A, vl_embed>::block_remove): New.
	(vec<T, A, vl_embed>::qsort): New.
	(vec<T, A, vl_embed>::lower_bound): New.
	(vec<T, A, vl_embed>::embedded_size): New.
	(vec<T, A, vl_embed>::embedded_init): New.
	(vec<T, A, vl_embed>::quick_grow): New.
	(vec<T, A, vl_embed>::quick_grow_cleared): New.
	(vec_safe_space): New.
	(vec_safe_length): New.
	(vec_safe_address): New.
	(vec_safe_is_empty): New.
	(vec_safe_reserve): New.
	(vec_safe_reserve_exact): New.
	(vec_alloc): New.
	(vec_free): New.
	(vec_safe_grow): New.
	(vec_safe_grow_cleared): New.
	(vec_safe_iterate): New.
	(vec_safe_push): New.
	(vec_safe_insert): New.
	(vec_safe_truncate): New.
	(vec_safe_copy): New.
	(vec_safe_splice): New.

	(vec<T, A, vl_ptr>): New partial specialization for the space
	efficient layout.
	(vec<T, A, vl_ptr>::exists): New.
	(vec<T, A, vl_ptr>::is_empty): New.
	(vec<T, A, vl_ptr>::length): New.
	(vec<T, A, vl_ptr>::address): New.
	(vec<T, A, vl_ptr>::operator[]): New.
	(vec<T, A, vl_ptr>::operator!=): New.
	(vec<T, A, vl_ptr>::operator==): New.
	(vec<T, A, vl_ptr>::last): New.
	(vec<T, A, vl_ptr>::space): New.
	(vec<T, A, vl_ptr>::iterate): New.
	(vec<T, A, vl_ptr>::copy): New.
	(vec<T, A, vl_ptr>::reserve): New.
	(vec<T, A, vl_ptr>::reserve_exact): New.
	(vec<T, A, vl_ptr>::splice): New.
	(vec<T, A, vl_ptr>::safe_splice): New.
	(vec<T, A, vl_ptr>::quick_push): New.
	(vec<T, A, vl_ptr>::safe_push): New.
	(vec<T, A, vl_ptr>::pop): New.
	(vec<T, A, vl_ptr>::truncate): New.
	(vec<T, A, vl_ptr>::safe_grow): New.
	(vec<T, A, vl_ptr>::safe_grow_cleared): New.
	(vec<T, A, vl_ptr>::quick_grow): New.
	(vec<T, A, vl_ptr>::quick_grow_cleared): New.
	(vec<T, A, vl_ptr>::quick_insert): New.
	(vec<T, A, vl_ptr>::safe_insert): New.
	(vec<T, A, vl_ptr>::ordered_remove): New.
	(vec<T, A, vl_ptr>::unordered_remove): New.
	(vec<T, A, vl_ptr>::block_remove): New.
	(vec<T, A, vl_ptr>::qsort): New.
	(vec<T, A, vl_ptr>::lower_bound): New.
	(vec_stack_alloc): Define.
	(FOR_EACH_VEC_SAFE_ELT): Define.
	* vecir.h: Remove.  Update all users.
	* vecprim.h: Remove.  Update all users.
	Move uchar to coretypes.h.

	* Makefile.in (VEC_H): Add $(GGC_H).
	Remove vecir.h and vecprim.h dependencies everywhere.

2012-11-16  Diego Novillo  <dnovillo@google.com>

	* gengtype-lex.l (VEC): Remove.
	Add characters in the set [\!\>\.-].
	* gengtype-parse.c (token_names): Remove "VEC".
	(require_template_declaration): Remove handling of VEC_TOKEN.
	(type): Likewise.
	Call create_user_defined_type when parsing GTY((user)).
	* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
	(write_state_undefined_type): New.
	(write_state_type): Call write_state_undefined_type for TYPE_UNDEFINED.
	(read_state_type): Call read_state_undefined_type for TYPE_UNDEFINED.
	* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
	(create_user_defined_type): Make extern.
	(type_for_name): Factor out of resolve_typedef.
	(create_undefined_type): New
	(resolve_typedef): Call it when we cannot find a previous
	typedef and the type is not a template.
	(find_structure): Accept TYPE_UNDEFINED.
	(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
	default to false.
	Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
	ALLOWED_UNDEFINED_TYPES is set.
	Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
	(filter_type_name): Accept templates with more than one argument.
	(output_mangled_typename): Handle TYPE_UNDEFINED
	(walk_type): Likewise.
	(write_types_process_field): Likewise.
	(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
	should not be a user-defined type.
	(write_types_local_user_process_field): Handle TYPE_ARRAY,
	TYPE_NONE and TYPE_UNDEFINED.
	(write_types_local_process_field): Likewise.
	(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
	(write_root): Reject user-defined types that are not pointers.
	Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
	and TYPE_PARAM_STRUCT.
	(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and TYPE_ARRAY.
	(dump_typekind): Handle TYPE_UNDEFINED.
	* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
	(create_user_defined_type): Declare.
	(enum gty_token): Remove VEC_TOKEN.

2012-11-16  Diego Novillo  <dnovillo@google.com>

	Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)

	* coretypes.h (uchar): Define.
	* alias.c: Use new vec API in vec.h.
	* asan.c: Likewise.
	* attribs.c: Likewise.
	* basic-block.h: Likewise.
	* bb-reorder.c: Likewise.
	* builtins.c: Likewise.
	* calls.c: Likewise.
	* cfg.c: Likewise.
	* cfganal.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfgexpand.c: Likewise.
	* cfghooks.c: Likewise.
	* cfghooks.h: Likewise.
	* cfgloop.c: Likewise.
	* cfgloop.h: Likewise.
	* cfgloopanal.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* cfgrtl.c: Likewise.
	* cgraph.c: Likewise.
	* cgraph.h: Likewise.
	* cgraphclones.c: Likewise.
	* cgraphunit.c: Likewise.
	* combine.c: Likewise.
	* compare-elim.c: Likewise.
	* coverage.c: Likewise.
	* cprop.c: Likewise.
	* data-streamer.h: Likewise.
	* dbxout.c: Likewise.
	* dce.c: Likewise.
	* df-core.c: Likewise.
	* df-problems.c: Likewise.
	* df-scan.c: Likewise.
	* dominance.c: Likewise.
	* domwalk.c: Likewise.
	* domwalk.h: Likewise.
	* dse.c: Likewise.
	* dwarf2cfi.c: Likewise.
	* dwarf2out.c: Likewise.
	* dwarf2out.h: Likewise.
	* emit-rtl.c: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* expr.c: Likewise.
	* expr.h: Likewise.
	* final.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* fwprop.c: Likewise.
	* gcc.c: Likewise.
	* gcse.c: Likewise.
	* genattr.c: Likewise.
	* genattrtab.c: Likewise.
	* genautomata.c: Likewise.
	* genextract.c: Likewise.
	* genopinit.c: Likewise
	* ggc-common.c: Likewise.
	* ggc.h: Likewise.
	* gimple-low.c: Likewise.
	* gimple-ssa-strength-reduction.c: Likewise.
	* gimple-streamer-in.c: Likewise.
	* gimple.c: Likewise.
	* gimple.h: Likewise.
	* gimplify.c: Likewise.
	* graph.c: Likewise.
	* graphds.c: Likewise.
	* graphds.h: Likewise.
	* graphite-blocking.c: Likewise.
	* graphite-clast-to-gimple.c: Likewise.
	* graphite-dependences.c: Likewise.
	* graphite-interchange.c: Likewise.
	* graphite-optimize-isl.c: Likewise.
	* graphite-poly.c: Likewise.
	* graphite-poly.h: Likewise.
	* graphite-scop-detection.c: Likewise.
	* graphite-scop-detection.h: Likewise.
	* graphite-sese-to-poly.c: Likewise.
	* graphite.c: Likewise.
	* godump.c: Likewise.
	* haifa-sched.c: Likewise.
	* hw-doloop.c: Likewise.
	* hw-doloop.h: Likewise.
	* ifcvt.c: Likewise.
	* insn-addr.h: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline-analysis.c: Likewise.
	* ipa-inline-transform.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-inline.h: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-prop.h: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-ref-inline.h: Likewise.
	* ipa-ref.c: Likewise.
	* ipa-ref.h: Likewise.
	* ipa-reference.c: Likewise.
	* ipa-split.c: Likewise.
	* ipa-utils.c: Likewise.
	* ipa-utils.h: Likewise.
	* ipa.c: Likewise.
	* ira-build.c: Likewise.
	* ira-color.c: Likewise.
	* ira-emit.c: Likewise.
	* ira-int.h: Likewise.
	* ira.c: Likewise.
	* loop-invariant.c: Likewise.
	* loop-unroll.c: Likewise.
	* lower-subreg.c: Likewise.
	* lra-lives.c: Likewise.
	* lra.c: Likewise.
	* lto-cgraph.c: Likewise.
	* lto-section-out.c: Likewise.
	* lto-streamer-in.c: Likewise.
	* lto-streamer-out.c: Likewise.
	* lto-streamer.h: Likewise.
	* lto-symtab.c: Likewise.
	* mcf.c: Likewise.
	* modulo-sched.c: Likewise.
	* omp-low.c: Likewise.
	* opts-common.c: Likewise.
	* opts-global.c: Likewise.
	* opts.c: Likewise.
	* opts.h: Likewise.
	* passes.c: Likewise.
	* predict.c: Likewise.
	* print-tree.c: Likewise.
	* profile.c: Likewise.
	* profile.h: Likewise.
	* read-rtl.c: Likewise.
	* ree.c: Likewise.
	* reg-stack.c: Likewise.
	* regrename.c: Likewise.
	* regrename.h: Likewise.
	* reload.c: Likewise.
	* reload.h: Likewise.
	* reload1.c: Likewise.
	* rtl.h: Likewise.
	* sched-deps.c: Likewise.
	* sched-int.h: Likewise.
	* sdbout.c: Likewise.
	* sel-sched-dump.c: Likewise.
	* sel-sched-ir.c: Likewise.
	* sel-sched-ir.h: Likewise.
	* sel-sched.c: Likewise.
	* sese.c: Likewise.
	* sese.h: Likewise.
	* statistics.h: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* store-motion.c: Likewise.
	* tlink.c: Likewise.
	* toplev.c: Likewise.
	* trans-mem.c: Likewise.
	* tree-browser.c: Likewise.
	* tree-call-cdce.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-cfgcleanup.c: Likewise.
	* tree-chrec.c: Likewise.
	* tree-chrec.h: Likewise.
	* tree-complex.c: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-data-ref.h: Likewise.
	* tree-dfa.c: Likewise.
	* tree-diagnostic.c: Likewise.
	* tree-dump.c: Likewise.
	* tree-eh.c: Likewise.
	* tree-emutls.c: Likewise.
	* tree-flow.h: Likewise.
	* tree-if-conv.c: Likewise.
	* tree-inline.c: Likewise.
	* tree-inline.h: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-iterator.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-mudflap.c: Likewise.
	* tree-optimize.c: Likewise.
	* tree-outof-ssa.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-phinodes.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-coalesce.c: Likewise.
	* tree-ssa-dce.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-live.c: Likewise.
	* tree-ssa-live.h: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-ssa-math-opts.c: Likewise.
	* tree-ssa-operands.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-sccvn.h: Likewise.
	* tree-ssa-strlen.c: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa-tail-merge.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa-uncprop.c: Likewise.
	* tree-ssa-uninit.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-ssanames.c: Likewise.
	* tree-stdarg.c: Likewise.
	* tree-streamer-in.c: Likewise.
	* tree-streamer-out.c: Likewise.
	* tree-streamer.c: Likewise.
	* tree-streamer.h: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-vect-data-refs.c: Likewise.
	* tree-vect-generic.c: Likewise.
	* tree-vect-loop-manip.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* tree-vect-patterns.c: Likewise.
	* tree-vect-slp.c: Likewise.
	* tree-vect-stmts.c: Likewise.
	* tree-vectorizer.c: Likewise.
	* tree-vectorizer.h: Likewise.
	* tree-vrp.c: Likewise.
	* tree.c: Likewise.
	* tree.h: Likewise.
	* value-prof.c: Likewise.
	* value-prof.h: Likewise.
	* var-tracking.c: Likewise.
	* varasm.c: Likewise.
	* varpool.c: Likewise.
	* vmsdbgout.c: Likewise.
	* config/bfin/bfin.c: Likewise.
	* config/c6x/c6x.c: Likewise.
	* config/darwin.c: Likewise.
	* config/i386/i386.c: Likewise.
	* config/ia64/ia64.c: Likewise.
	* config/mep/mep.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/pa/pa.c: Likewise.
	* config/rs6000/rs6000-c.c: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/rx/rx.c: Likewise.
	* config/spu/spu-c.c: Likewise.
	* config/vms/vms.c: Likewise.
	* config/vxworks.c: Likewise.
	* config/epiphany/resolve-sw-modes.c: Likewise.

2012-11-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/55236
	* fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
	and signed ARG0_TYPE, force low and high to be non-NULL.

2012-11-17  H.J. Lu  <hongjiu.lu@intel.com>

	* common.opt (static-libasan): New option.
	* gcc.c (LIBASAN_SPEC): New macro.
	(LINK_COMMAND_SPEC): Replace -lasan with LIBASAN_SPEC.
	* doc/invoke.texi: Document -static-libasan.

2012-11-17  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55342
	* lra-assigns.c (spill_for): Try to allocate other reload pseudos
	before and after spilling.

2012-11-16  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Various copy-edits to comply with GCC coding
	standards for spelling, terminology, and markup, including use of
	American spelling, correct use of terms like "back end" and
	"run time", use correct name for GCC, use "@:" markup.

2012-11-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/55329
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Never clear
	bits in needed_eh_cleanup while iterating over the bitmap.
	Look through all forwarder blocks at once.

2012-11-16  Jan Hubicka  <jh@suse.cz>

	* params.def (max-peeled-insns, max-completely-peeled-insns): Reduce
	to 100.

2012-11-16  Simon Baldwin  <simonb@google.com>

	* doc/cppopts.texi: Document -f[no-]canonical-system-headers.
	* doc/install.texi: Document --enable-canonical-system-headers.

2012-11-16  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55330
	* lra-constraints.c (MAX_INHERITANCE_PASSES): New macro.
	(lra_inheritance, lra_undo_inheritance): Use it to limit number of
	the passes.

2012-11-16  Matthias Klose  <doko@ubuntu.com>

	* config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
	* config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
	Include pa/t-linux.

2012-11-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/54073
	* config/i386/i386.md (mov<mode>cc): Use comparison_operator
	instead of ordered_comparison_operator resp.
	ix86_fp_comparison_operator predicates.
	* config/i386/i386.c (ix86_expand_fp_movcc): Reject TImode
	or for -m32 DImode comparisons.

2012-11-16  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/54717
	* tree-ssa-pre.c (do_partial_partial_insertion): Consider also edges
	with ANTIC_IN.

2012-11-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386-protos.h (ix86_emit_mode_set): Add third argument.
	* config/i386/i386.h (EMIT_MODE_SET): Update.
	* config/i386/i386.c (ix86_avx_emit_vzeroupper): New function.
	(ix86_emit_mode_set) <AVX_U128>: Call ix86_avx_emit_vzeroupper.

2012-11-16  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

	bdver3 Enablement
	* doc/extend.texi: Add details about bdver3.
	* doc/invoke.texi: Add details about bdver3.
	* config.gcc (i[34567]86-*-linux* | ...): Add bdver3.
	(case ${target}): Add bdver3.
	* config/i386/i386.h (TARGET_BDVER3): New definition.
	* config/i386/i386.md (define_attr "cpu"): Add bdver3.
	* config/i386/sse.md (sseshuf, sseshuf1): New type attributes.
	* config/i386/athlon.md: Handle sseshuf attribute.
	* config/i386/atom.md: Likewise.
	* config/i386/ppro.md: Likewise.
	* config/i386/bdver1.md: Likewise.
	* config/i386/i386.opt (flag_dispatch_scheduler): Add bdver3.
	* config/i386/i386-c.c (ix86_target_macros_internal): Add
	bdver3 def_and_undef
	* config/i386/driver-i386.c (host_detect_local_cpu): Let
	-march=native recognize bdver3 processors.
	* config/i386/i386.c (struct processor_costs bdver3_cost): New.
	(m_BDVER3): New definition.
	(m_AMD_MULTIPLE): Includes m_BDVER3.
	(initial_ix86_tune_features): Add bdver3 tune.
	(processor_target_table): Add bdver3 entry.
	(static const char *const cpu_names): Add bdver3 entry.
	(software_prefetching_beneficial_p): Add bdver3.
	(ix86_option_override_internal): Add bdver3 instruction sets.
	(ix86_option_override_internal): Remove XSAVEOPT for bdver1 and bdver2.
	(ix86_issue_rate): Add bdver3.
	(ix86_adjust_cost): Add bdver3.
	(enum target_cpu_default): Add TARGET_CPU_DEFAULT_bdver3.
	(enum processor_type): Add PROCESSOR_BDVER3.
	* config/i386/bdver3.md: New file describing bdver3 pipelines.

2012-11-15  David S. Miller  <davem@davemloft.net>

	* expmed.c (expand_shift_1): Don't strip non-integral SUBREGs.

	* configure.ac: Add check for assembler SPARC4 instruction support.
	* configure: Rebuild.
	* config.in: Add HAVE_AS_SPARC4 section.
	* config/sparc/sparc.opt (mcbcond): New option.
	* doc/invoke.texi: Document it.
	* config/sparc/constraints.md: New constraint 'A' for 5-bit signed
	immediates.
	* doc/md.texi: Document it.
	* config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_CBCOND.
	(sparc_option_override): Likewise.
	(emit_cbcond_insn): New function.
	(emit_conditional_branch_insn): Call it.
	(emit_cbcond_nop): New function.
	(output_ubranch): Use cbcond, remove label arg.
	(output_cbcond): New function.
	* config/sparc/sparc-protos.h (output_ubranch): Update.
	(output_cbcond): Declare it.
	(emit_cbcond_nop): Likewise.
	* config/sparc/sparc.md (type attribute): New types 'cbcond'
	and uncond_cbcond.
	(emit_cbcond_nop): New attribute.
	(length attribute): Handle cbcond and uncond_cbcond.
	(in_call_delay attribute): Reject cbcond and uncond_cbcond.
	(in_branch_delay attribute): Likewise.
	(in_uncond_branch_delay attribute): Likewise.
	(in_annul_branch_delay attribute): Likewise.
	(*cbcond_sp32, *cbcond_sp64): New insn patterns.
	(jump): Rewrite into an expander.
	(*jump_ubranch, *jump_cbcond): New patterns.
	* config/sparc/niagara4.md: Match 'cbcond' in 'n4_cti'.
	* config/sparc/sparc.h (AS_NIAGARA4_FLAG): New macro, use it
	when target default is niagara4.
	(SPARC_SIMM5_P): Define.
	* config/sparc/sol2.h (AS_SPARC64_FLAG): Adjust.
	(AS_SPARC32_FLAG): Define.
	(ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Use
	AS_NIAGARA4_FLAG as needed.

2012-11-15  Steve Ellcey  <sellcey@mips.com>

	* expr.c (expand_cond_expr_using_cmove): Use promoted mode for temp.

2012-11-15  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/54619
	* tree-ssa-loop-ivopts.c (get_use_type): New function.
	(get_computation_at): Use get_use_type.
	(get_computation_cost_at): Declare and set mem_mode.  Use mem_mode.

2012-11-15  Jakub Jelinek  <jakub@redhat.com>

	* asan.c (report_error_func): Set DECL_IGNORED_P, don't touch
	DECL_ASSEMBLER_NAME.
	(asan_init_func): Likewise.
	(asan_finish_file): Use void * instead of __asan_global * as type of
	__asan_{,un}register_globals.  Set DECL_IGNORED_P on the decls.

2012-11-15  Matthias Klose  <doko@ubuntu.com>

	* Makefile.in (if_multiarch): Don't use a GNU make 3.81 feature.

2012-11-14  Jan Hubicka  <jh@suse.cz>

	PR bootstrap/55051
	* gcov-io.c (gcov_read_summary): Fix array bound check.

2012-11-14  Sterling Augustine  <saugustine@google.com>

	PR debug/55328
	* dwarf2out.c (index_address_table_entry): Check a node's refcount.

2012-11-14  Jan Hubicka  <jh@suse.cz>

	PR bootstrap/55051
	* ipa-inline.c (edge_badness): Improve dumping; fix overflow.

2012-11-14  Matthias Klose  <doko@ubuntu.com>

	* config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
	* config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
	* config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
	for 32bit non-biarch configurations.

2012-11-14  Matthias Klose  <doko@ubuntu.com>

	* doc/invoke.texi: Document -print-multiarch.
	* doc/install.texi: Document --enable-multiarch.
	* doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
	* configure.ac: Add --enable-multiarch option.
	* configure: Regenerate.
	* Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
	enable_multiarch, with_float: New macros.
	if_multiarch: New macro, define in terms of enable_multiarch.
	* genmultilib: Add new argument for the multiarch name.
	* gcc.c (multiarch_dir): Define.
	(for_each_path): Search for multiarch suffixes.
	(driver_handle_option): Handle multiarch option.
	(do_spec_1): Pass -imultiarch if defined.
	(main): Print multiarch.
	(set_multilib_dir): Separate multilib and multiarch names
	from multilib_select.
	(print_multilib_info): Ignore multiarch names in multilib_select.
	* incpath.c (add_standard_paths): Search the multiarch include dirs.
	* cppdefault.h (default_include): Document multiarch in multilib
	member.
	* cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
	include directory for multiarch directories.
	* common.opt: New options --print-multiarch and -imultilib.
	* config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
	Include i386/t-linux.
	<i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
	Include i386/t-kfreebsd.
	<i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
	* config/i386/t-linux64: Add multiarch names in
	MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
	* config/i386/t-gnu: New file.
	* config/i386/t-kfreebsd: Likewise.
	* config/i386/t-linux: Likewise.

2012-11-14  Jan Hubicka  <jh@suse.cz>

	* tree.c (set_call_expr_flags): New function.
	(local_define_builtin): Use it.
	* tree.h (set_call_expr_flags): Declare.

2012-11-14  Uros Bizjak  <ubizjak@gmail.com>
	    Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>

	PR target/47440
	* config/i386/i386.c (gate_insert_vzeroupper): New function.
	(rest_of_handle_insert_vzeroupper): Ditto.
	(struct rtl_opt_pass pass_insert_vzeroupper): New.
	(ix86_option_override): Register vzeroupper insertion pass here.
	(ix86_check_avx256_register): Handle SUBREGs properly.
	(ix86_init_machine_status): Remove optimize_mode_switching[AVX_U128]
	initialization.

2012-11-14  David Edelsohn  <dje.gcc@gmail.com>

	* configure.ac (HAVE_LD_LARGE_TOC): Add AIX test.
	* configure: Regenerated.
	* config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Warn if
	other toc options used with cmodel. Disable TARGET_NO_FP_IN_TOC
	and TARGET_NO_SUM_IN_TOC if not CMODEL_SMALL. CMODEL_MEDIUM means
	CMODEL_LARGE on AIX.
	(ASM_SPEC): -mvsx implies -mpwr6. Add -many.
	(ASM_DEFAULT_SPEC): Use -mpwr4.
	(TARGET_CMODEL): Define.
	(SET_CMODEL): Define.
	* config/rs6000/rs6000.md (largetoc_high_aix<mode>): New.
	(largetoc_high_plus_aix<mode>): New.
	(largetoc_low<mode>): Change to mode iterator. Test TARGET_TOC
	instead of TARGET_ELF.
	(tocref): Remove TARGET_ELF test.
	* config/rs6000/rs6000.c (output_toc): Use [TE] for large TOC
	symbols on AIX.
	* config/rs6000/aix64.opt (mcmodel): New.

2012-11-14  Andreas Tobler  <andreast@fgznet.ch>

	* config/i386/i386.c (ix86_get_function_versions_dispatcher): Guard
	variables with ASM_OUTPUT_TYPE_DIRECTIVE and
	HAVE_GNU_INDIRECT_FUNCTION where needed.

2012-11-13  Ian Lance Taylor  <iant@google.com>

	* common.opt (fPIC, fPIE, fpic, fpie): Create a Negative loop such
	that any of these options disables the others.

2012-11-13  Sriraman Tallam  <tmsriram@google.com>

	* cgraph.c (insert_new_cgraph_node_version): Use cgraph_get_node
	instead of cgraph_get_create_node.
	* config/i386/i386.c (ix86_get_function_versions_dispatcher): Move
	ifunc not supported code to the end.

2012-11-13  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55253
	* ipa-cp.c (merge_aggregate_lattices): Propagate aggs_contain_variable
	flag.

2012-11-13  Eric Botcazou  <ebotcazou@adacore.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/55142
	* config/i386/i386.c (legitimize_pic_address): Properly handle
	REG + CONST.
	(ix86_print_operand_address): Set code to 'k' when forcing
	addr32 prefix.  For x32, zero-extend negative displacement if
	it < -16*1024*1024.

2012-11-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/41993
	* mode-switching.c (create_pre_exit): Set return_copy to last_insn if
	copy_start is not a function return regno. Skip debug instructions
	in instruction scan loop.

2012-11-13  Andrew Stubbs  <ams@codesourcery.com>
	    Ulrich Weigand  <ulrich.weigand@linaro.org>

	* config/arm/arm.c (arm_emit_coreregs_64bit_shift): Fix comment.
	* config/arm/arm.md (opt, opt_enabled): New attributes.
	(enabled): Use opt_enabled.
	(ashldi3, ashrdi3, lshrdi3): Add TARGET_NEON case.
	(ashldi3): Allow general operands for TARGET_NEON case.
	* config/arm/iterators.md (rshifts): New code iterator.
	(shift, shifttype): New code attributes.
	* config/arm/neon.md (UNSPEC_LOAD_COUNT): New unspec type.
	(neon_load_count, ashldi3_neon_noclobber, ashldi3_neon,
	signed_shift_di3_neon, unsigned_shift_di3_neon,
	ashrdi3_neon_imm_noclobber, lshrdi3_neon_imm_noclobber,
	<shift>di3_neon): New patterns.

2012-11-13  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (asan.o): Depend on $(TM_P_H).

	PR tree-optimization/55281
	* tree-vect-generic.c (expand_vector_condition): Accept any
	is_gimple_val rather than just SSA_NAME if not COMPARISON_CLASS_P.
	* fold-const.c (fold_ternary_loc): Fold VEC_COND_EXPR if arg0 is
	either integer_all_onesp or integer_zerop.
	* tree-vect-stmts.c (vectorizable_condition): Build the condition
	using corresponding vector integer type instead of vectype.

	PR rtl-optimization/54127
	* cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
	asm goto labels from BB_HEAD (e->dest) to target bb, decrement
	LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
	BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
	REG_LABEL_TARGET and REG_LABEL_OPERAND.

2012-11-12  Jakub Jelinek  <jakub@redhat.com>

	* asan.c (instrument_builtin_call) <case BUILT_IN_BCOPY>: Fix up
	dest assignment.

2012-11-13  Hans-Peter Nilsson  <hp@axis.com>

	PR target/55257
	* config/cris/cris.c (cris_asm_output_mi_thunk): Call
	final_start_function and final_end_function.

2012-11-12  David Edelsohn  <dje.gcc@gmail.com>

	* asan.c: Include tm_p.h.

2012-11-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/55195
	* config/pa/pa.md (attr type): Add sibcall and sh_func_adrs insn types.
	(in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
	(in_nullified_branch_delay): Likewise.
	(in_call_delay): Likewise.
	Define delay for sibcall insns.  Adjust Z3 and Z4 insn reservations for
	new types.  Add opaque cond to mark all calls, sibcalls, dyncalls and
	the $$sh_func_adrs call as variable.  Update type of sibcalls and
	$$sh_func_adrs call.
	* config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
	length instead of adjustment.  Handle negative and undefined call
	adjustments for insn_default_length.  Remove adjustment for millicode
	insn with unfilled delay slot.
	(pa_output_millicode_call): Update for revised millicode length.
	* config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.

2012-11-12  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-ccp.c (dump_lattice_value) <CONSTANT>: Fix duplication.

2012-11-12  Eric Botcazou  <ebotcazou@adacore.com>

	* common.opt (fvar-tracking-uninit): Document.
	* toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
	* config/darwin.c (darwin_override_options): Likewise.

2012-11-12  Steven Bosscher  <steven@gcc.gnu.org>

	* sched-vis.c (print_pattern): Handle NULL patterns.

2012-11-12  Steven Bosscher  <steven@gcc.gnu.org>
	    Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/51447
	* df-scan.c (df_get_entry_block_def_set): Add global regs to the set.
	* df-problems.c (df_lr_local_compute): Make global regs always live.
	* dce.c (deletable_insn_p): Make insns setting a global reg
	inherently necessary.

2012-11-12  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (cmov<mode>_insn): Emit CSINC when
	one of the alternatives is constant 1.
	* config/aarch64/constraints.md: New constraint.
	* config/aarch64/predicates.md: Rename predicate
	aarch64_reg_zero_or_m1 to aarch64_reg_zero_or_m1_or_1.

2012-11-12  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (*compare_neg<mode>): New pattern.

2012-11-12  Tobias Burnus  <burnus@net-b.de>

	* doc/invoke.texi: Move -faddress-sanitizer from Optimization
	Options to Debugging Options.

2012-11-12  Jakub Jelinek  <jakub@redhat.com>

	* asan.c: Formatting cleanups.

2012-11-12  Wei Mi  <wmi@google.com>

	* gcc.c (LINK_COMMAND_SPEC): Add -lasan to link command if
	-faddress-sanitizer is on.

2012-11-12  Dodji Seketeli  <dodji@redhat.com>

	* gimple.h (is_gimple_builtin_call): Declare ...
	* gimple.c (is_gimple_builtin_call): ... new public function.
	* asan.c (insert_if_then_before_iter, instrument_mem_region_access,
	instrument_strlen_call, maybe_instrument_builtin_call,
	instrument_call): New static functions.
	(create_cond_insert_point): Renamed
	create_cond_insert_point_before_iter into this.  Add a new
	parameter to decide whether to insert the condition before or
	after the statement iterator.
	(build_check_stmt): Adjust for the new create_cond_insert_point.
	Add a new parameter to decide whether to add the instrumentation
	code before or after the statement iterator.
	(instrument_assignment): Factorize from ...
	(transform_statements): ... here.  Use maybe_instrument_call to
	instrument builtin function calls as well.
	(instrument_derefs): Adjust for the new parameter of
	build_check_stmt.  Fix detection of bit-field access.

2012-11-12  Dodji Seketeli  <dodji@redhat.com>

	* asan.c (create_cond_insert_point_before_iter): Factorize out of ...
	(build_check_stmt): ... here.

2012-11-12  Dodji Seketeli  <dodji@redhat.com>

	* asan.c (create_cond_insert_point_before_iter): Factorize out of ...
	(build_check_stmt): ... here.

2012-11-12  Dodji Seketeli  <dodji@redhat.com>

	* asan.c (build_check_stmt): Accept the memory access to be
	represented by an SSA_NAME.

2012-11-12  Jakub Jelinek  <jakub@redhat.com>
	    Wei Mi  <wmi@google.com>

	* varasm.c: Include asan.h.
	(assemble_noswitch_variable): Grow size by asan_red_zone_size
	if decl is asan protected.
	(place_block_symbol): Likewise.
	(assemble_variable): If decl is asan protected, increase
	DECL_ALIGN if needed, and for decls emitted using
	assemble_variable_contents append padding zeros after it.
	* Makefile.in (varasm.o): Depend on asan.h.
	* asan.c: Include output.h.
	(asan_pp, asan_pp_initialized, asan_ctor_statements): New variables.
	(asan_pp_initialize, asan_pp_string): New functions.
	(asan_emit_stack_protection): Use asan_pp{,_initialized}
	instead of local pp{,_initialized} vars, use asan_pp_initialize
	and asan_pp_string helpers.
	(asan_needs_local_alias, asan_protect_global,
	asan_global_struct, asan_add_global): New functions.
	(asan_finish_file): Protect global vars that can be protected. Use
	asan_ctor_statements instead of ctor_statements
	* asan.h (asan_protect_global): New prototype.
	(asan_red_zone_size): New inline function.

2012-11-12  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (asan.o): Depend on $(EXPR_H) $(OPTABS_H).
	(cfgexpand.o): Depend on asan.h.
	* asan.c: Include expr.h and optabs.h.
	(asan_shadow_set): New variable.
	(asan_shadow_cst, asan_emit_stack_protection): New functions.
	(asan_init_shadow_ptr_types): Initialize also asan_shadow_set.
	* cfgexpand.c: Include asan.h.  Define HOST_WIDE_INT heap vector.
	(partition_stack_vars): If i is large alignment and j small
	alignment or vice versa, break out of the loop instead of continue,
	and put the test earlier.  If flag_asan, break out of the loop
	if for small alignment size is different.
	(struct stack_vars_data): New type.
	(expand_stack_vars): Add DATA argument.  Change PRED type to
	function taking size_t argument instead of tree.  Adjust pred
	calls.  Fill DATA in and add needed padding in between variables
	if -faddress-sanitizer.
	(defer_stack_allocation): Defer everything for flag_asan.
	(stack_protect_decl_phase_1, stack_protect_decl_phase_2): Take
	size_t index into stack_vars array instead of the decl directly.
	(asan_decl_phase_3): New function.
	(expand_used_vars): Return var destruction sequence.  Adjust
	expand_stack_vars calls, add another one for flag_asan.  Call
	asan_emit_stack_protection if expand_stack_vars added anything
	to the vectors.
	(expand_gimple_basic_block): Add disable_tail_calls argument.
	(gimple_expand_cfg): Pass true to it if expand_used_vars returned
	non-NULL.  Emit the sequence returned by expand_used_vars after
	return_label.
	* asan.h (asan_emit_stack_protection): New prototype.
	(asan_shadow_set): New decl.
	(ASAN_RED_ZONE_SIZE, ASAN_STACK_MAGIC_LEFT, ASAN_STACK_MAGIC_MIDDLE,
	ASAN_STACK_MAGIC_RIGHT, ASAN_STACK_FRAME_MAGIC): Define.
	(asan_protect_stack_decl): New inline.
	* toplev.c (process_options): Also disable -faddress-sanitizer on
	!FRAME_GROWS_DOWNWARDS targets.

2012-11-12  Jakub Jelinek  <jakub@redhat.com>

	* asan.c (build_check_stmt): Rename join_bb variable to else_bb.
	(gate_asan_O0): New function.
	(pass_asan_O0): New variable.
	* passes.c (init_optimization_passes): Add pass_asan_O0.
	* tree-pass.h (pass_asan_O0): New declaration.

2012-11-12  Jakub Jelinek  <jakub@redhat.com>
	    Xinliang David Li  <davidxl@google.com>
	    Dodji Seketeli  <dodji@redhat.com>

	* Makefile.in (GTFILES): Add $(srcdir)/asan.c.
	(asan.o): Update the dependencies of asan.o.
	* asan.c (tm.h, tree.h, tm_p.h, basic-block.h, flags.h
	function.h, tree-inline.h, tree-dump.h, diagnostic.h, demangle.h,
	langhooks.h, ggc.h, cgraph.h, gimple.h): Remove these unused but
	included headers.
	(shadow_ptr_types): New variable.
	(report_error_func): Change is_store argument to bool, don't append
	newline to function name.
	(PROB_VERY_UNLIKELY, PROB_ALWAYS): Define.
	(build_check_stmt): Change is_store argument to bool.  Emit GIMPLE
	directly instead of creating trees and gimplifying them.  Mark
	the error reporting function as very unlikely.
	(instrument_derefs): Change is_store argument to bool.  Use
	int_size_in_bytes to compute size_in_bytes, simplify size check.
	Use build_fold_addr_expr instead of build_addr.
	(transform_statements): Adjust instrument_derefs caller.
	Use gimple_assign_single_p as stmt test.  Don't look at MEM refs
	in rhs2.
	(asan_init_shadow_ptr_types): New function.
	(asan_instrument): Don't push/pop gimplify context.
	Call asan_init_shadow_ptr_types if not yet initialized.
	* asan.h (ASAN_SHADOW_SHIFT): Adjust comment.

2012-11-12  Jakub Jelinek  <jakub@redhat.com>

	* toplev.c (process_options): Warn and turn off
	-faddress-sanitizer if not supported by target.
	* asan.c: Include target.h.
	(asan_scale, asan_offset_log_32, asan_offset_log_64,
	asan_offset_log): Removed.
	(build_check_stmt): Use ASAN_SHADOW_SHIFT and
	targetm.asan_shadow_offset ().
	(asan_instrument): Don't initialize asan_offset_log.
	* asan.h (ASAN_SHADOW_SHIFT): Define.
	* target.def (TARGET_ASAN_SHADOW_OFFSET): New hook.
	* doc/tm.texi.in (TARGET_ASAN_SHADOW_OFFSET): Add it.
	* doc/tm.texi: Regenerated.
	* Makefile.in (asan.o): Depend on $(TARGET_H).
	* config/i386/i386.c (ix86_asan_shadow_offset): New function.
	(TARGET_ASAN_SHADOW_OFFSET): Define.

2012-11-12  Wei Mi  <wmi@google.com>
	    Diego Novillo  <dnovillo@google.com>
	    Dodji Seketeli  <dodji@redhat.com>

	* Makefile.in: Add asan.c and its dependencies.
	* common.opt: Add -faddress-sanitizer option.
	* doc/invoke.texi: Document the new flag.
	* passes.c: Add the asan pass.
	* toplev.c (compile_file): Call asan_finish_file.
	* asan.c: New file.
	* asan.h: New file.
	* tree-pass.h: Declare pass_asan.

2012-11-12  Tobias Burnus  <burnus@net-b.de>

	* diagnostic.c (diagnostic_append_note): Also call va_end when
	inhibit_notes_p is true.

2012-11-12  Bin Cheng  <bin.cheng@arm.com>

	* gcse.c (struct bb_data): Add new fields, old_pressure, live_in
	and backup.
	(get_regno_pressure_class): Add prototype.
	(update_bb_reg_pressure): New.
	(should_hoist_expr_to_dom): Add new parameter from.
	Monitor the change of reg pressure and use it to drive hoisting.
	(hoist_code): Update LIVE and reg pressure information.
	(calculate_bb_reg_pressure): Initialize live_in and backup.

2012-11-12  Oleg Endo  <olegendo@gcc.gnu.org>

	* doc/md.texi (Standard Pattern Names For Generation): Fix swapped
	sine and cosine operands in the sincos description.

2012-11-12  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/53512
	* config/sh/sh.md (sincossf3): Fix swapped sin and cos operands.

2012-11-11  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (*movti_internal_rex64): Remove "!" from
	riF->o alternative.

2012-11-11  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
	* config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.

2012-11-11  Eric Botcazou  <ebotcazou@adacore.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR rtl-optimization/55247
	PR middle-end/55259
	* emit-rtl.c (adjust_address_1): If POINTERS_EXTEND_UNSIGNED > 0,
	handle ZERO_EXTEND.
	* recog.c (offsettable_address_addr_space_p): Likewise.

2012-11-11  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/55263
	* postreload.c (rest_of_handle_postreload): With non-call exceptions,
	if edges are purged call cleanup_cfg to remove unreachable blocks.

2012-11-11  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Copy-edit to use "built-in function" instead
	of "builtin", per GCC coding standards.  Also use consistent
	capitalization in titles of sections describing built-in functions.

2012-11-11  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55238
	* ipa-cp.c (agg_pass_through_permissible_p): New function.
	(propagate_aggs_accross_jump_function): Use it.
	(find_aggregate_values_for_callers_subset): Likewise and relax an
	assert.

2012-11-10  Uros Bizjak  <ubizjak@gmail.com>

	PR target/47440
	* config/i386/i386.c (check_avx256_stores): Remove.
	(ix86_check_avx256_register): New.
	(ix86_avx_u128_mode_needed): Use ix86_check_avx256_register.
	Check the whole RTX for 256bit registers using for_each_rtx.
	(ix86_check_avx_stores): New.
	(ix86_avx_u128_mode_after): Change mode of CALL RTX to AVX_U128_CLEAN
	if there are no 256bit registers used in the function return register.
	(ix86_avx_u128_mode_entry): Use ix86_check_avx256_register.
	(ix86_avx_u128_mode_exit): Ditto.

2012-11-10  Jan Hubicka  <jh@suse.cz>

	PR middle-end/48636
	* ipa-inline.c (want_inline_small_function_p): Take aray index hint.
	(edge_badness): Likewise.
	* ipa-inline.h (inline_hints_vals): Add array_index and comments.
	(inline_summary): Add ARRAY_INDEX.
	* ipa-inline-analysis.c (dump_inline_hints): Dump array_index hint.
	(reset_inline_summary): Handle array_index hint.
	(inline_node_duplication_hook): Likewise.
	(dump_inline_summary): Likewise.
	(array_index_predicate): New function.
	(estimate_function_body_sizes): Use it.
	(estimate_node_size_and_time): Use array_index hint.
	(inline_merge_summary, inline_read_section): Likewise.

2012-11-10  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Copy-edit to use "bit-field" consistently
	instead of "bitfield" or "bit field".

2012-11-10  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Copy-edit to fix incorrect hyphenation phrases
	involving "bit", "byte", "word", "precision", and "floating"
	modifiers.

2012-11-10  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Copy-edit to fix incorrect uses of "which"
	and "that" throughout the file.

2012-11-10  Andrew Pinski  <apinski@cavium.com>

	PR bootstrap/55202
	* configure.ac: Set PLUGIN_LD_SUFFIX to just "ld" if it was "ld-new"
	or "collect-ld".
	* configure: Regenerate.

2012-11-10  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (store_field): Remove TYPE parameter.  Remove block of code
	dealing with BLKmode in registers.  Reimplement this support using
	pseudo-registers and bit-field techniques.
	(store_constructor_field): Remove TYPE parameter and adjust calls to
	store_field.
	(expand_assignment): Adjust calls to store_field.  Add comment.
	(store_expr): Add comment.
	(store_constructor): Adjust calls to store_constructor_field.
	(expand_expr_real_2): Adjust call to store_field.

2012-11-10  Vladimir Makarov  <vmakarov@redhat.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	PR target/55247
	* config/i386/i386.md (*movti_internal_rex64): Add "!" to riF->o
	alternative.

2012-11-09  Ed Smith-Rowland  <3dw4rd@verizon.net>

	PR c++/54413
	* doc/invoke.texi: Document f[no-]ext-numeric-literals flag.

2012-11-09  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/install.texi (sparc64-x-solaris2): Mention MPC as well.

2012-11-09  Richard Henderson  <rth@redhat.com>

	* config/i386/i386.c (ix86_lra_p): Remove.
	(TARGET_LRA_P): Use hook_bool_void_true.

2012-11-09  Jason Merrill  <jason@redhat.com>

	* attribs.c (lookup_attribute_spec): Handle getting a TREE_LIST.

2012-11-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR tree-optimization/55154
	* lra-int.h (LRA_LOSER_COST_FACTOR, LRA_MAX_REJECT): New macros.
	* lra.c (setup_operand_alternative): Use them.
	* lra-constraints.c (LOSER_COST_FACTOR, MAX_OVERALL_COST_BOUND):
	Remove.
	(process_alt_operands): Use LRA_LOSER_COST_FACTOR and LRA_MAX_REJECT.
	Accumulate reject instead of setting for non-const.
	(curr_insn_transform): Initialize best_losers and best_overall by
	INT_MAX.

2012-11-09  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.c (sh_can_use_simple_return_p): Enable with
	-freorder-blocks-and-partition.

2012-11-09  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* rtl.h (CONST_SCALAR_INT_P): New macro.
	* cfgexpand.c (expand_debug_locations): Changed to use
	CONST_SCALAR_INT_P macro.
	* combine.c (try_combine, subst, make_extraction,
	gen_lowpart_for_combine): Ditto.
	* cselib.c (entry_and_rtx_equal_p, rtx_equal_for_cselib_1): Ditto.
	* dwarf2out.c (loc_descriptor): Ditto.
	* emit-rtl.c (gen_lowpart_common): Ditto.
	* ira-costs.c (record_reg_classes, record_address_regs): Ditto.
	* ira-lives.c (single_reg_class): Ditto.
	* recog.c (simplify_while_replacing, asm_operand_ok,
	constrain_operands): Ditto.
	* reload.c (find_reloads): Ditto.
	* simplify-rtx.c (simplify_unary_operation_1,
	simplify_const_unary_operation, simplify_binary_operation_1,
	simplify_const_binary_operation, simplify_relational_operation_1,
	simplify_subreg): Ditto.

2012-11-09  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/54385
	* postreload.c (reload_cse_simplify): Return a bool indicating
	whether the CFG was changed.
	(reload_cse_regs_1): Traverse the CFG instead of the insns chain.
	Cleanup the CFG if edges may have been removed.
	(reload_cse_regs): Update.

2012-11-09  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/54472
	* sel-sched-ir.c (has_dependence_note_reg_set): Handle implicit sets.
	(has_dependence_note_reg_clobber, has_dependence_note_reg_use):
	Likewise.

2012-11-09  Eric Botcazou  <ebotcazou@adacore.com>

	* config/i386/i386.c (release_scratch_register_on_entry): Also adjust
	sp_offset manually.

2012-11-08  Christian Bruel  <christian.bruel@st.com>

	* tree-ssa-tail-merge.c (replace_block_by): Update bb2 profile count.
	Do not reset dead bb1->frequency.

2012-11-08  Steven Bosscher  <steven@gcc.gnu.org>

	PR tree-optimization/55191
	* cfganal.c (connect_infinite_loops_to_exit): Call dfs_deadend here.
	(flow_dfs_compute_reverse_execute): Don't call it here.

2012-11-08  Jakub Jelinek  <jakub@redhat.com>

	PR debug/53145
	* dwarf2out.c (gen_compile_unit_die): Don't call gen_producer_string
	here, instead add "" if producer_string is NULL.
	(dwarf2out_finish): Call gen_producer_string here, unconditionally
	decrease refcount of the old indirect string and set val_str to
	find_AT_string result.

	PR debug/54499
	* cgraphunit.c (assemble_thunk): Don't call source_line debug hook
	here, instead call insn_locations_{init,finalize} and initialize
	prologue_location.

2012-11-08  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>

	PR driver/54789
	* gcc.c (process_command): Use save_switch for synthesized
	-fcompare-debug=* option; mark the switch as known.

2012-11-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/54308
	* config/rs6000/rs6000.c (legitimate_indirect_address_p): Remove
	inline keyword.

2012-11-08  Bernd Schmidt  <bernds@codesourcery.com>

	PR rtl-optimization/54850
	* sched-deps.c (find_inc): Add all dependencies from the inc_insn
	to the mem_insn.

2012-11-08  Jan Hubicka  <jh@suse.cz>

	PR middle-end/48636
	* ipa-inline.c (big_speedup_p): New function.
	(want_inline_small_function_p): Use it.
	(edge_badness): Dump it.
	* params.def (inline-min-speedup): New parameter.
	* doc/invoke.texi (inline-min-speedup): Document.

2012-11-08  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (determine_known_aggregate_parts): Skip writes to
	different declarations when tracking writes to a declaration.

2012-11-07  David S. Miller  <davem@davemloft.net>

	* config/sparc/constraints.md ("U"): Document, in detail,
	which this constraint is necessary.

2012-11-07  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/55235
	* expr.c (store_expr): Do not call emit_block_move for
	non-BLKmode values.

2012-11-07  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/55219
	* fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
	the argument is itself a conditional expression.

2012-11-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55122
	* lra-constraints.c (match_reload): Sync values for dead input pseudos.

2012-11-07  Richard Henderson  <rth@redhat.com>

	* trans-mem.c (pass_ipa_tm): Don't use TODO_update_ssa.

2012-11-07  Peter Bergner  <bergner@vnet.ibm.com>

	* doc/invoke.texi (-mcpu=power8): Document.
	* config.in (HAVE_AS_POWER8): New.
	* config.gcc: Add cpu_type power8.
	* configure.ac: (HAVE_AS_POWER8): Check for assembler support for
	the POWER8 instructions.
	* configure: Regenerate.
	* config/rs6000/rs6000.h: (ASM_CPU_POWER8_SPEC): Define.
	(ASM_CPU_SPEC): Pass %(asm_cpu_power8) for -mcpu=power8.
	(EXTRA_SPECS): Add asm_cpu_power8 spec string.
	* config/rs6000/rs6000-cpus.def (processor_target_table): Alias
	POWER8 to POWER7.
	* config/rs6000/rs6000-tables.opt: Regenerate.
	* config/rs6000/driver-rs6000.c (ASM_CPU_SPEC): For -mcpu=power8,
	pass %(asm_cpu_power8)/-mpwr8.
	* config/rs6000/aix53.h: Likewise.
	* config/rs6000/aix61.h: Likewise.

2012-11-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/55224
	* config/i386/i386.c (ix86_function_ok_for_sibcall): Put back exception
	to make a sibcall if one of the functions has void return type.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* doc/invoke.texi (Wformat): Update.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* optc-gen.awk: Factor code out to...
	* opt-functions.awk (lang_enabled_by): ... this new function.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* common.opt (Wswitch,Wswitch-default,Wswitch-enum): Move to c.opt.

2012-11-07  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_expand_prologue): Add the missing
	argument 'Pmode' to the 'plus_constant' call.

2012-11-07  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/53787
	* ipa-cp.c (ipcp_value_source): New field offset.
	(ipcp_agg_lattice): New type.
	(ipcp_param_lattices): Likewise, move virt_call from ipcp_lattice here.
	(ipcp_agg_lattice_pool): New variable.
	(ipa_get_parm_lattices): New function.
	(ipa_get_lattice): Turned into ipa_get_scalar_lat, use the above.
	Adjusted all callers.
	(print_lattice): New function.
	(print_all_lattices): Use the above, also print aggregate lattices.
	(set_agg_lats_to_bottom): New function.
	(set_agg_lats_contain_variable): Likewise.
	(set_all_contains_variable): Likewise.
	(initialize_node_lattices): Also handle aggregate lattices, set
	virt_call in ipcp_param_lattices.
	(add_value_source): Handle offsets.
	(add_value_to_lattice): Likewise.
	(add_scalar_value_to_lattice): New function.
	(propagate_vals_accross_pass_through): Use add_scalar_value_to_lattice.
	(propagate_vals_accross_ancestor): Likewise.
	(propagate_accross_jump_function): Renamed to
	propagate_scalar_accross_jump_function, use
	add_scalar_value_to_lattice.
	(set_check_aggs_by_ref): New function.
	(merge_agg_lats_step): Likewise.
	(set_chain_of_aglats_contains_variable): Likewise.
	(merge_aggregate_lattices): Likewise.
	(propagate_constants_accross_call): Also handle aggregate lattices.
	(hint_time_bonus): New function.
	(context_independent_aggregate_values): Likewise.
	(gather_context_independent_values): Also handle agggregate values.
	(agg_jmp_p_vec_for_t_vec): New function.
	(estimate_local_effects): Also handle agggregate values.
	(add_all_node_vals_to_toposort): Likewise.
	(ipcp_propagate_stage): Use struct ipcp_param_lattices.
	(get_clone_agg_value): New function.
	(cgraph_edge_brings_value_p): Also handle agggregate values.
	(create_specialized_node): Likewise.
	(find_more_values_for_callers_subset): Rename to
	find_more_scalar_values_for_callers_subset.  Modify dump.
	(copy_plats_to_inter): New function.
	(intersect_with_plats): Likewise.
	(agg_replacements_to_vector): Likewise.
	(intersect_with_agg_replacements): Likewise.
	(find_aggregate_values_for_callers_subset): Likewise.
	(known_aggs_to_agg_replacement_list): Likewise.
	(cgraph_edge_brings_all_scalars_for_node): Likewise.
	(cgraph_edge_brings_all_agg_vals_for_node): Likewise.
	(perhaps_add_new_callers): Old functionality moved to
	cgraph_edge_brings_all_scalars_for_node, call it and
	cgraph_edge_brings_all_agg_vals_for_node.
	(ipcp_val_in_agg_replacements_p): New function.
	(decide_about_value): New function.
	(decide_whether_version_node): A lot of functionality moved to
	decide_about_value.  Also handle agggregate values.
	(ipcp_driver): Also allocate ipcp_agg_lattice_pool.
	(pass_ipa_cp): Fill in new entries.
	* ipa-prop.c (ipa_node_agg_replacements): New variable.
	(free_parms_ainfo): New function.
	(ipa_analyze_node): Use free_parms_ainfo to free stuff.
	(ipa_find_agg_cst_for_param): Do not rely on offset ordering.
	(ipa_set_node_agg_value_chain): New function.
	(ipa_node_removal_hook): Also handle ipa_node_agg_replacements.
	(ipa_node_duplication_hook): Likewise.
	(ipa_free_all_structures_after_ipa_cp): Also free ipcp_agg_lattice_pool.
	(ipa_free_all_structures_after_iinln): Likewise.
	(ipa_dump_agg_replacement_values): New function.
	(write_agg_replacement_chain): Likewise.
	(read_agg_replacement_chain): Likewise.
	(ipa_prop_write_all_agg_replacement): Likewise.
	(read_replacements_section): Likewise.
	(ipa_prop_read_all_agg_replacement): Likewise.
	(adjust_agg_replacement_values): Likewise.
	(ipcp_transform_function): Likewise.
	* ipa-prop.h: Also define heap vector of ipa_agg_jf_item_t and of
	ipa_agg_jump_function_t.
	(ipa_node_params): Make lattices an array of ipcp_param_lattices.
	(ipa_agg_replacement_value): New type and its vector.
	(ipa_set_node_agg_value_chain) Declare.
	(ipa_node_agg_replacements): Likewise.
	(ipa_get_agg_replacements_for_node): New function.
	(ipcp_agg_lattice_pool): Declare.
	(ipa_dump_agg_replacement_values): Likewise.
	(ipa_prop_write_all_agg_replacement): Likewise.
	(ipa_prop_read_all_agg_replacement): Likewise.
	(ipcp_transform_function): Likewise.
	* ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time): Pass around
	known aggregates and hints.
	* ipa-inline.h: include ipa-prop.h.
	(estimate_ipcp_clone_size_and_time): Adjust declaration.
	* lto-streamer.h (lto_section_type): New item
	LTO_section_ipcp_transform.
	* lto-section-in.c (lto_section_name): New element ipcp_trans.
	* params.def (PARAM_IPA_CP_LOOP_HINT_BONUS): New parameter.
	* Makefile.in (IPA_INLINE_H): New.  Use everywhee instead of
	ipa-inline.h.

2012-11-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (enum upper_128bits_state): Remove.
	(check_avx256_store): Use bool pointer argument.
	(ix86_avx_u128_mode_needed): Use note_stores also for CALL insns.
	* config/i386/predicates.md (vzeroupper_operation): Use match_test.

2012-11-07  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_expand_prologue): For the
	load-pair with writeback instruction, replace
	aarch64_set_frame_expr with add_reg_note (REG_CFA_ADJUST_CFA);
	add new local variable 'cfa_reg' and use it.

2012-11-07  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR middle-end/49220
	* mode-switching.c (create_pre_exit): Set short_block if there
	are no copy insns.

2012-11-07  Martin Jambor  <mjambor@suse.cz>

	* lto-cgraph.c: Include tree-pass.h.
	(lto_output_node): Stream node->ipa_transforms_to_apply.
	(input_node): Likewise.
	* tree-pass.h (passes_by_id): Declare.
	(passes_by_id_size): Likewise.
	* Makefile.in (lto-cgraph.o): Add TREE_PASS_H to dependencies.

2012-11-07  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-analysis.c (true_predicate, single_cond_predicate,
	reset_inline_edge_summary): Fix formatting.
	(account_size_time): Bump up the limit on number of size/time
	entries to 256.
	(estimate_function_body_sizes): Work in reverse postorder.

2012-11-07  David S. Miller  <davem@davemloft.net>

	PR bootstrap/55211
	Revert:
	* config/sparc/constraints.md ("U"): Delete.
	* config/sparc/sparc.md: Use 'r' constraint instead of 'U'.
	* config/sparc/sync.md: Likewise.
	And revert parts of:
	* doc/md.texi: Sync sparc constraint documentation with reality.

2012-11-07  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_avx_u128_mode_after): Don't
	look for reg in CALL operand.

	PR debug/54693
	* tree-flow.h (propagate_threaded_block_debug_into): New prototype.
	* tree-ssa-threadedge.c (propagate_threaded_block_debug_into): No
	longer static.
	* tree-ssa-loop-ch.c (copy_loop_headers): Use it.

2012-11-06  Sterling Augustine  <saugustine@google.com>

	* dwarf2out.c (output_comdat_type_unit): Check for OBJECT_FORMAT_ELF.

2012-11-06  Aldy Hernandez  <aldyh@redhat.com>
	    Richard Henderson  <rth@redhat.com>

	* cfg-flags.def (TM_UNINSTRUMENTED, TM_ABORT): New.
	* trans-mem.c (PROB_VERY_LIKELY, PROB_UNLIKELY, PROB_LIKELY): New.
	(struct tm_region): Add tm_state, restart_block,
	original_transaction_was_outer.
	(tm_region_init_0): Initialize them.
	(collect_bb2reg, get_bb_regions_instrumented): New.
	(tm_log_emit_save_or_restores): Merge into ...
	(expand_transaction): ... here.
	(generate_tm_state, propagate_tm_flags_out): New.
	(execute_tm_mark): Avoid processing blocks more than once.
	(split_bb_make_tm_edge): Split out from ...
	(make_tm_edge): ... here.  And merge the rest into ...
	(expand_block_edges): ... here.
	(execute_tm_edges): Avoid processing blocks more than once.
	(ipa_uninstrument_transaction): New.
	(ipa_tm_scan_calls_transaction): Use it.  Rebuild cgraph and ssa.
	(ipa_tm_execute): Init and free original_copy_tables.
	* trans-mem.h (PR_MULTIWAYCODE): New.
	* tree-cfg.c (make_edges): Use EDGE_TM_ABORT.

2012-11-06  Aldy Hernandez  <aldyh@redhat.com>

	* cfghooks.c (copy_bbs): Handle a null loop_father.

	* cgraph.c (cgraph_debug_gimple_stmt): Handle a null
	current_function_decl.

2012-11-06  Richard Henderson  <rth@redhat.com>

	* tree-ssa-tail-merge.c (find_duplicate): Do not consider
	is_tm_ending_fndecl calls as mergable.

2012-11-06  Sterling Augustine  <saugustine@google.com>
	    Cary Coutant <ccoutant@google.com>

	* common.opt (gno-split-dwarf, gsplit-dwarf): New switches.
	* doc/invoke.texi (Debugging Options): Document them.
	* gcc.c (replace_extension_spec_func):  New function.
	(ASM_FINAL_SPEC): Adjust.
	(static_spec_functions): Add new field for replace-extension.
	(check_live_switch): Adjust comment.  Add case for 'g'.
	* opts.c (finish_options): Set x_debug_generate_pub_sections based on
	x_dwarf_split_debug_info.
	(common_handle_option): Add case for OPT_gsplit_dwarf.
	* dwarf2out.h (addr_table_entry_struct): Add forward declaration.
	(dw_val_struct): Add val_entry pointer.
	* dwarf2out.c (debug_skeleton_info_section,
	debug_skeleton_abbrev_section, debug_addr_section,
	debug_skeleton_line_section, debug_str_offsets_section): New globals.
	(NOT_INDEXED, NO_INDEX_ASSIGNED): New defines.
	(indirect_string_node): New field index.
	(ate_kind): New enum with fields ate_kind_rtc, ate_kind_rtx_dtprel,
	ate_kind_label.
	(addr_table_entry): New structure and type.
	(dw_loc_list_struct): Add field begin_entry.
	(new_loc_desc): Initialize val_entry.
	(size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
	Add cases for DW_OP_GNU_addr_index and DW_OP_const_index.
	(build_cfa_loc): Initialize val_entry.
	(AT_index, add_addr_table_entry, remove_addr_table_entry,
	add_AT_lbl_id): New functions.
	(add_AT_addr, add_AT_range_list): New parameter force_direct.
	(output_die_abbrevs): New function.
	(add_ranges_by_labels): New parameter force_direct.
	(output_line_info): New parameter prologue_only.
	(dtprel_bool): New enum with dtprel_false and dtprel_true.
	(dw_addr_op, new_addr_loc_descr): New functions.
	(DEBUG_DWO_INFO_SECTION, DEBUG_DWO_ABBREV_SECTION,
	DEBUG_ADDR_SECTION, DEBUG_NORM_MACINFO_SECTION,
	DEBUG_DWO_MACINFO_SECTION, DEBUG_MACINFO_SECTION,
	DEBUG_NORM_MACRO_SECTION, DEBUG_DWO_MACRO_SECTION,
	DEBUG_MACRO_SECTION, DEBUG_DWO_LINE_SECTION,
	DEBUG_DWO_LOC_SECTION, DEBUG_NORM_STR_OFFSETS_SECTION,
	DEBUG_DWO_STR_OFFSETS_SECTION, DEBUG_STR_OFFSETS_SECTION,
	DEBUG_DWO_STR_SECTION, DEBUG_NORM_STR_SECTION, DEBUG_STR_SECTION,
	DEBUG_MACRO_SECTION_FLAGS, DEBUG_SKELETON_LINE_SECTION_LABEL,
	DEBUG_SKELETON_INFO_SECTION_LABEL, DEBUG_ADDR_SECTION_LABEL
	DEBUG_SKELETON_ABBREV_SECTION_LABEL): New macros.
	(DEBUG_STR_SECTION_FLAGS): Adjust.
	(TEXT_SECTION_LABEL, COLD_TEXT_SECTION_LABEL,
	DEBUG_LINE_SECTION_LABEL, DEBUG_INFO_SECTION_LABEL,
	DEBUG_ABBREV_SECTION_LABEL, DEBUG_ADDR_SECTION_LABEL,
	DEBUG_LOC_SECTION_LABEL, DEBUG_RANGES_SECTION_LABEL,
	DEBUG_MACINFO_SECTION_LABEL, DEBUG_MACRO_SECTION_LABEL): Adjust
	indentation.
	(debug_skeleton_abbrev_section_label, debug_addr_section_label,
	debug_skeleton_line_section_label, debug_skeleton_info_section_label):
	New global variables.
	(add_AT_flag, add_AT_int, add_AT_unsigned, add_AT_double, add_AT_vec,
	add_AT_data8): Initialize val_entry.
	(add_AT_low_high_pc): New parameter force_direct. Handle
	dwarf_split_debug_info.
	(set_indirect_string, find_AT_string_form): New functions.
	(AT_string_form): Adjust to call find_AT_string_from.
	(add_AT_die_ref, add_AT_fde_ref, add_AT_loc, add_AT_list):
	Initialize val_entry.
	(addr_index_table): New global variable.
	(addr_table_entry_do_hash, addr_table_entry_eq, add_addr_table_entry,
	init_addr_table_entry, remove_addr_table_entry, index_addr_table_entry,
	remove_loc_list_addr_table_entries): New functions.
	(add_AT_addr, add_AT_lbl_id, add_AT_range_list): New parameter
	force_direct.  Handle dwarf_split_debug_info.
	(add_AT_file, add_AT_vms_delta, add_AT_lineptr, add_AT_macptr,
	add_AT_offset): Initialize val_entry.
	(UNRELOCATED_OFFSET, RELOCATED_OFFSET): New defines.
	(size_of_die): Handle dwarf_split_debug_info.
	(size_of_aranges, value_format): Call AT_class.  Check AT_index.
	(output_die_abbrevs): New function.
	(output_abbrev_section): Call output_die_abbrevs.
	(new_loc_list): Initialize begin_entry.
	(output_loc_list): Handle dwarf_split_debug_info.
	(output_range_list_offset, output_loc_list_offset,
	output_attr_index_or_value, ): New functions.
	(output_die): Fix call to dw2_asm_output_data.  Call
	output_attr_index_or_value and output_range_list_offset.
	Adjust logic around dw_val_class_str.
	(add_top_lebel_skeleton_die_attrs, get_skeleton_type_unit,
	output_skeleton_debug_sections): New functions.
	(output_comdat_type_unit, output_pubname, output_aranges): Handle
	dwarf_split_debug_info.
	(add_ranges_by_labels): New parameter force_direct.
	(mem_loc_descriptor, loc_descr): Call new_addr_loc_descr.
	(loc_list_from_tree, add_const_value_attribtue): Use dtprel_bools in
	place of generic integer.
	(dwarf2out_vms_debug_main_pointer, gen_entry_point_die, gen_label_die,
	gen_call_site_die, gen_subprogram_die, gen_variable_die,
	add_high_low_attributes): Adjust calls to add_AT_lbl_id.
	(output_macinfo_op): Adjust indirect_string_logic.
	(save_macinfo_strings): New function.
	(output_macinfo): Adjust.
	(dwarf2out_init): Handle dwarf_split_debug_info.
	(index_string, output_index_string_offset, output_index_string): New
	functions.
	(output_indirect_string): Adjust.
	(output_indirect_strings, output_addr_table_entry, output_addr_table):
	New functions.
	(resolve_addr_in_expr, hash_loc_operands): Handle DW_OP_GNU_addr_index
	and DW_OP_GNU_const_index.  Handle dwarf_split_debug_info.  Call
	remove_loc_list_addr_table_entries and remove_addr_table_entry.
	(index_location_lists): New function.
	(dwarf2out_finish): Handle dwarf_split_debug_info.  New variable
	main_comp_unit_die.  Adjust calls to add_AT_low_high_pc,
	add_ranges_by_labels, add_AT_addr, and add_AT_lineptr. Call
	save_macinfo_strings and output_indirect_strings.

2012-11-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* config/i386/i386.c (make_dispatcher_decl): Guard with
	ASM_OUTPUT_TYPE_DIRECTIVE and HAVE_GNU_INDIRECT_FUNCTION.

2012-11-06  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-analysis.c (estimate_function_body_sizes,
	inline_update_overall_summary): Cap time calculations.

2012-11-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_init_machine_status): Do not
	explicitly clear tls_descriptor_call_expanded_p again.

2012-11-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md
	(<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
	as read and written by the instruction.

2012-11-06  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54693
	* tree-ssa-threadedge.c (propagate_threaded_block_debug_into):
	Use a stack vector before allocating a pointer set.

2012-11-06  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (ipa_get_param_decl_index_1): New function.
	(ipa_get_param_decl_index): Just call ipa_get_param_decl_index_1.
	(ipa_populate_param_decls): Accept descriptors parameter rather
	than the whole info.
	(load_from_unmodified_param): Likewise.
	(ipa_load_from_parm_agg_1): Likewise.
	(ipa_load_from_parm_agg): Extract descriptors from info.
	(compute_complex_assign_jump_func): Likewise.
	(ipa_analyze_indirect_call_uses): Likewise.

2012-11-06  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (compute_uninlined_call_time): Return gcov_type.
	(compute_inlined_call_time): Watch overflows.
	(relative_time_benefit): Compute in gcov_type.

2012-11-06  Jan Hubicka  <jh@suse.cz>

	* cfgloopanal.c (get_loop_hot_path): New function.
	* tree-ssa-lop-ivcanon.c (struct loop_size): Add CONSTANT_IV,
	NUM_NON_PURE_CALLS_ON_HOT_PATH, NUM_PURE_CALLS_ON_HOT_PATH,
	NUM_BRANCHES_ON_HOT_PATH.
	(tree_estimate_loop_size): Compute the new values.
	(try_unroll_loop_completely): Disable unrolling of loops with only
	calls or too many branches.
	(tree_unroll_loops_completely): Deal also with outer loops of hot loops.
	* cfgloop.h (get_loop_hot_path): Declare.
	* params.def (PARAM_MAX_PEEL_BRANCHES): New parameters.
	* invoke.texi (max-peel-branches): Document.

2012-11-06  Jan Hubicka  <jh@suse.cz>

	* ipa-pure-const.c (check_stmt): Fix debug info formatting.

2012-11-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
	(ix86_instantiate_decls): New function.
	(ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
	stack slot instead of SLOT_VIRTUAL.
	<case IX86_BUILTIN_STMXCSR>: Ditto.
	(assign_386_stack_local): Do not assert when virtual slot is valid.
	* config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
	* config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
	(truncxf<mode>2): Ditto.
	(floatunssi<mode>2): Ditto.
	(isinf<mode>2): Ditto.
	* config/i386/sync.md (atomic_load<mode>): Ditto.
	(atomic_store<mode>): Ditto.

2012-11-06  Jan Hubicka  <jh@suse.cz>

	* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound,
	vect_do_peeling_for_alignment): Fix loop bound computation.
	* tree-vect-loop.c (vect_transform_loop): Maintain loop bounds.

2012-11-06  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54089
	* config/sh/sh.c (and_xor_ior_costs, addsubcosts): Double the costs for
	ops larger than SImode.
	* config/sh/sh.md (rotcl, *rotcl): New insns and splits.
	(ashldi3_k): Convert to insn_and_split and use new rotcl insn.

2012-11-06  Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>

	PR target/47440
	* config/i386/i386-protos.h (emit_i387_cw_initialization): Delete.
	(emit_vzero): Add prototype.
	(ix86_mode_entry): Likewise.
	(ix86_mode_exit): Likewise.
	(ix86_emit_mode_set): Likewise.

	* config/i386/i386.c (typedef struct block_info_def): Delete.
	(define BLOCK_INFO): Delete.
	(check_avx256_stores): Add checking for MEM_P.
	(move_or_delete_vzeroupper_2): Delete.
	(move_or_delete_vzeroupper_1): Delete.
	(move_or_delete_vzeroupper): Delete.
	(ix86_maybe_emit_epilogue_vzeroupper): Delete.
	(function_pass_avx256_p): Delete.
	(ix86_function_ok_for_sibcall): Remove sibcall disabling.
	(nit_cumulative_args): Remove initialization of of avx256 fields of
	cfun->machine.
	(ix86_emit_restore_sse_regs_using_mov): Remove vzeroupper generation.
	(ix86_expand_epilogue): Likewise.
	(ix86_avx_u128_mode_needed): New.
	(ix86_i387_mode_needed): Rename from ix86_mode_needed.
	(ix86_mode_needed): New.
	(ix86_avx_u128_mode_after): New.
	(ix86_mode_after): New.
	(ix86_avx_u128_mode_entry): New.
	(ix86_mode_entry): New.
	(ix86_avx_u128_mode_exit): New.
	(ix86_mode_exit): New.
	(ix86_emit_mode_set): New.
	(ix86_expand_call): Delete vzeroupper generation.
	(ix86_split_call_vzeroupper): Delete.
	(ix86_init_machine_status): Initialize optimize_mode_switching.
	(ix86_expand_special_args_builtin): Change.
	(ix86_reorg): Delete a call of move_or_delete_vzeroupper.

	* config/i386/i386.h  (VALID_AVX256_REG_OR_OI_MODE): New.
	(AVX_U128): New.
	(avx_u128_state): New.
	(NUM_MODES_FOR_MODE_SWITCHING): Added AVX_U128_ANY.
	(MODE_AFTER): New.
	(MODE_ENTRY): New.
	(MODE_EXIT): New.
	(EMIT_MODE_SET): Change.
	(machine_function): Delete avx256 fields.

	* config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): Delete.
	(define_insn_and_split "*call_vzeroupper"): Delete.
	(define_insn_and_split "*call_rex64_ms_sysv_vzeroupper"): Delete.
	(define_insn_and_split "*sibcall_vzeroupper"): Delete.
	(define_insn_and_split "*call_pop_vzeroupper"): Delete.
	(define_insn_and_split "*sibcall_pop_vzeroupper"): Delete.
	(define_insn_and_split "*call_value_vzeroupper"): Delete.
	(define_insn_and_split "*sibcall_value_vzeroupper"): Delete.
	(define_insn_and_split "*call_value_rex64_ms_sysv_vzeroupper"): Delete.
	(define_insn_and_split "*call_value_pop_vzeroupper"): Delete.
	(define_insn_and_split "*sibcall_value_pop_vzeroupper"): Delete.
	(define_expand "return"): Remove vzeroupper emitting.
	(define_expand "simple_return"): Delete.

	* config/i386/predicates.md (vzeroupper_operation): New.

	* config/i386/sse.md (avx_vzeroupper): Change.

2012-11-06  Uros Bizjak  <ubizjak@gmail.com>
	    Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/41993
	* mode-switching.c (create_pre_exit): Set return_copy to
	last_insn when copy_start is a pseudo reg.

2012-11-06  Andrey Turetskiy  <andrey.turetskiy@gmail.com>

	* config/i386/i386.c (bdesc_args): Rename CODE_FOR_avx2_umulhrswv16hi3
	to CODE_FOR_avx2_pmulhrswv16hi3.
	* config/i386/predicates.md (const1_operand): Extend for vectors.
	* config/i386/sse.md (ssse3_avx2): Extend.
	(ssedoublemode): Ditto.
	(<sse2_avx2>_uavg<mode>3): Merge avx2_uavgv32qi3, sse2_uavgv16qi3,
	avx2_uavgv16hi3 and sse2_uavgv8hi3 into one.
	(*<sse2_avx2>_uavg<mode>3): Merge *avx2_uavgv32qi3, *sse2_uavgv16qi3,
	*avx2_uavgv16hi3 and *sse2_uavgv8hi3 into one.
	(PMULHRSW): New.
	(<ssse3_avx2>_pmulhrsw<mode>3): Merge avx2_umulhrswv16hi3,
	ssse3_pmulhrswv8hi3 and ssse3_pmulhrswv4hi3 into one.
	(*avx2_pmulhrswv16hi3): Replace const_vector with const1_operand
	predicate.
	(*ssse3_pmulhrswv8hi3): Ditto.
	(*ssse3_pmulhrswv4hi3): Ditto.

2012-11-06  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.c (epiphany_address_cost):
	Use MODE parameter.

2012-11-05  Sriraman Tallam  <tmsriram@google.com>

	* doc/tm.texi.in (TARGET_OPTION_FUNCTION_VERSIONS): New hook
	description.
	* (TARGET_COMPARE_VERSION_PRIORITY): New hook description.
	* (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): New hook description.
	* (TARGET_GENERATE_VERSION_DISPATCHER_BODY): New hook description.
	* doc/tm.texi: Regenerate.
	* target.def (compare_version_priority): New target hook.
	* (generate_version_dispatcher_body): New target hook.
	* (get_function_versions_dispatcher): New target hook.
	* (function_versions): New target hook.
	* cgraph.c (cgraph_fnver_htab): New htab.
	(cgraph_fn_ver_htab_hash): New function.
	(cgraph_fn_ver_htab_eq): New function.
	(version_info_node): New pointer.
	(insert_new_cgraph_node_version): New function.
	(get_cgraph_node_version): New function.
	(delete_function_version): New function.
	(record_function_versions): New function.
	* cgraph.h (cgraph_node): New bitfield dispatcher_function.
	(cgraph_function_version_info): New struct.
	(get_cgraph_node_version): New function.
	(insert_new_cgraph_node_version): New function.
	(record_function_versions): New function.
	(delete_function_version): New function.
	(init_lowered_empty_function): Expose function.
	* tree.h (DECL_FUNCTION_VERSIONED): New macro.
	(tree_function_decl): New bit-field versioned_function.
	* cgraphunit.c (cgraph_analyze_function): Generate body of multiversion
	function dispatcher.
	(cgraph_analyze_functions): Analyze dispatcher function.
	(init_lowered_empty_function): Make non-static. New parameter in_ssa.
	(assemble_thunk): Add parameter to call to init_lowered_empty_function.
	* config/i386/i386.c (add_condition_to_bb): New function.
	(get_builtin_code_for_version): New function.
	(ix86_compare_version_priority): New function.
	(feature_compare): New function.
	(dispatch_function_versions): New function.
	(ix86_function_versions): New function.
	(attr_strcmp): New function.
	(ix86_mangle_function_version_assembler_name): New function.
	(ix86_mangle_decl_assembler_name): New function.
	(make_name): New function.
	(make_dispatcher_decl): New function.
	(is_function_default_version): New function.
	(ix86_get_function_versions_dispatcher): New function.
	(make_attribute): New function.
	(make_resolver_func): New function.
	(ix86_generate_version_dispatcher_body): New function.
	(fold_builtin_cpu): Return integer for cpu builtins.
	(TARGET_MANGLE_DECL_ASSEMBLER_NAME): New macro.
	(TARGET_COMPARE_VERSION_PRIORITY): New macro.
	(TARGET_GENERATE_VERSION_DISPATCHER_BODY): New macro.
	(TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): New macro.
	(TARGET_OPTION_FUNCTION_VERSIONS): New macro.

2012-11-05  Joern Rennecke  <joern.rennecke@embecosm.com>

	* recog.c (extract_insn): Enabled alternative defaults to 1.

2012-11-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
	REX_INT_REGNO_P.

2012-11-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/54986
	* gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
	conversions on entry but add them back on exit if needed.

2012-11-05  Andreas Schwab  <schwab@linux-m68k.org>

	* final.c (final_scan_insn) [HAVE_cc0]: Handle all comparison
	codes in non-jump and cmove insn.

2012-11-05  Uros Bizjak  <ubizjak@gmail.com>
	    Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>

	* mode-switching.c (create_pre_exit): Force late switching if
	__builtin_{apply,return} emitted a load that require mode,
	other than MODE_EXIT.

2012-11-05  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/55204
	* config/i386/i386.c (ix86_address_subreg_operand): Remove stack
	pointer check.
	(print_reg): Use true_regnum rather than REGNO.
	(ix86_print_operand_address): Remove SUBREG handling.

2012-11-05  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-niter.c (finite_loop_p): Revamp to be just wrapper of
	max_loop_iterations.

2012-11-05  Joern Rennecke  <joern.rennecke@embecosm.com>

	* reorg.c (fill_simple_delay_slots): Avoid calling optimize_skip
	with a return instruction.

2012-11-05  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55151
	* lra-constraints.c (process_alt_operands): Permit putting reg
	value into memory.  Increase reject for this case.

2012-11-05  Dehao Chen  <dehao@google.com>

	* final.c (reemit_insn_block_notes): Do not change scope if insn
	location is UNKNOWN_LOCATION.

2012-11-05  Joern Rennecke  <joern.rennecke@embecosm.com>

	* doc/md.texi (Defining Attributes): Document that we are defining
	HAVE_ATTR_name macros as 1 for defined attributes, and as 0
	for undefined special attributes.
	* final.c (asm_insn_count, align_fuzz): Always define.
	(insn_current_reference_address): Likewise.
	(init_insn_lengths): Use if (HAVE_ATTR_length) instead of
	#ifdef HAVE_ATTR_length.
	(get_attr_length_1, shorten_branches, final): Likewise.
	(final_scan_insn, output_asm_name): Likewise.
	* genattr.c (gen_attr): Define HAVE_ATTR_name macros for
	defined attributes as 1.
	Remove ancient get_attr_alternative compatibility code.
	For special purpose attributes not provided, define HAVE_ATTR_name
	as 0.
	In case no length attribute is given, provide stub definitions
	for insn_*_length* functions, and also include insn-addr.h.
	In case no enabled attribute is given, provide stub definition.
	* genattrtab.c (write_length_unit_log): Always write a definition.
	* hooks.c (hook_int_rtx_1, hook_int_rtx_unreachable): New functions.
	* hooks.h (hook_int_rtx_1, hook_int_rtx_unreachable): Declare.
	* lra-int.h (struct lra_insn_recog_data): Make member
	alternative_enabled_p unconditional.
	* lra.c (free_insn_recog_data): Use if (HAVE_ATTR_length) instead of
	#ifdef HAVE_ATTR_length.
	(lra_set_insn_recog_data): Likewise.  Make initialization of
	alternative_enabled_p unconditional.
	(lra_update_insn_recog_data): Use #if instead of #ifdef for
	HAVE_ATTR_enabled.
	* recog.c [!HAVE_ATTR_enabled] (get_attr_enabled): Don't define.
	(extract_insn): Check HAVE_ATTR_enabled.
	(gate_handle_split_before_regstack): Use #if instead of
	#if defined for HAVE_ATTR_length.

2012-11-05  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (compute_uninlined_call_time,
	compute_inlined_call_time): New functions.
	(RELATIVE_TIME_BENEFIT_RANGE): New macro.
	(relative_time_benefit): Rewrite.
	(edge_badness): Rewrite path with guessed profile and estimated profile.
	* ipa-inline.h (INLINE_HINT_declared_inline, INLINE_HINT_cross_module):
	New hints.
	(struct inline_summary): Add GROWTH filed.
	* ipa-inline-analysis.c (dump_inline_hints): Update.
	(reset_inline_summary): Update.
	(dump_inline_summary): Update.
	(will_be_nonconstant_predicate): Cleanup to use gimple_store_p and
	gimple_assign_load_p predicates.
	(estimate_node_size_and_time): Drop INLINE_HINT_declared_inline hint.
	(simple_edge_hints): New function.
	(do_estimate_edge_time): Return time of invocation of callee rather
	than the time scaled by edge frequency; update hints code.
	(do_estimate_edge_hints): Update.
	(do_estimate_growth): Cleanup.

2012-11-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/55194
	* dwarf2out.c (value_format) <case dw_val_class_high_pc>: Handle
	also DWARF2_ADDR_SIZE 1 and 2.

2012-11-05  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-niter.c (find_loop_niter): Remove just_once_each_iteration_p.
	(maybe_lower_iteration_bound): Initialize not_executed_last_iteration to  NULL
	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Skip
	just_once_each_iteration_p; record estimated bound when loop has only one
	likely exit; test just_once_each_iteration_p before IV canon itself.

2012-11-05  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (leaf_node_p): Rename to ...
	(num_calls) ... this one.
	(want_early_inline_function_p): Allow smal growth on non-leafs.

2012-11-05  Jakub Jelinek  <jakub@redhat.com>

	PR debug/54402
	* var-tracking.c (fp_setter): Return false if there is REG_CFA_RESTORE
	hfp note.
	(vt_initialize): Look for fp_setter in any bb, not just successor of
	entry bb.

2012-11-05  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.h (TARGET_CACHE32, TARGET_HARVARD): Delete macro.
	(TARGET_SUPERSCALAR): Add TARGET_SH2A.
	(CACHE_LOG): Use TARGET_HARD_SH4 and TARGET_SH5 instead of
	TARGET_CACHE32.
	(TRAMPOLINE_ALIGNMENT): Use TARGET_HARD_SH4 and TARGET_SH5 instead of
	TARGET_HARVARD.
	* config/sh/sh.c (sh_trampoline_init): Likewise.

2012-11-05  David Edelsohn  <dje.gcc@gmail.com>

	* system.h (loc_t): Poison.

2012-11-05  Marc Glisse  <marc.glisse@inria.fr>

	* fold-const.c (fold_unary_loc): Disable conversion optimization
	for void type.

2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>

	* configure: Regenerate.

2012-11-04  Eric Botcazou  <ebotcazou@adacore.com>

	* combine.c: Adjust toplevel comment.
	(make_extraction): Adjust head comment and move up canonicalization.

2012-11-04  Alexandre Oliva <aoliva@redhat.com>
	    Jakub Jelinek <jakub@redhat.com>

	PR debug/54693
	* tree-ssa-loop-ivopts.c (remove_unused_ivs): Emit debug temps
	for dropped IV sets.

2012-11-04  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54693
	* tree-ssa-threadedge.c (propagate_threaded_block_debug_into):
	New, rewritten from debug stmt copying code...
	(thread_around_empty_block): ... removed from here.
	(thread_across_edge): Call propagate_threaded_block_debug_into.

2012-11-04  Dehao Chen  <dehao@google.com>

	* expr.c (expand_expr_real_1): Change to not using input_location.

2012-11-03  Jan Hubicka  <jh@suse.cz>

	* invoke.texi (profile-use): update documentation.
	* opts.c (common_handle_option): Enable tree-vectorize
	and tree-loop-distribute-patterns.
	* tree-loop-distribution.c (tree_loop_distribution): Skip loops
	optimized for size.
	* config/i386/i386.c (ix86_option_override_internal): Enabe
	prefetch_lop_arrays for profile-use.

2012-11-03  Robert Mason  <rbmj@verizon.net>

	* gcov-io.c (gcov_open): Add file mode to open call (need for VxWorks)

2012-11-03  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Copy-edit to use present tense except when
	explicitly describing future or past behavior.

2012-11-03  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.c (output_movedouble, output_far_jump,
	output_ieee_ccmpeq): Use multi-line strings for asm.
	(find_regmode_weight): Wrap lines.
	(sh_optimize_target_register_callee_saved): Remove commented out
	variable.
	(emit_load_ptr): Remove prototype.

2012-11-03  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/51244
	* config/sh/sh.md (*cbranch_t): Allow splitting after reload.
	Allow going beyond current basic block before reload when looking for
	the reg set insn.
	* config/sh/sh.c (sh_find_set_of_reg): Don't stop at labels.

2012-11-02  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk): Add
	missing sign to unsigned.

2012-11-02  Andrew Pinski  <apinski@cavium.com>

	PR rtl-opt/54524
	* simplify-rtx.c (simplify_relational_operation_1): Don't simplify
	(LTU/GEU (PLUS a 0) 0) into (GEU/LTU a 0) since they are not
	equivalent.

2012-11-02  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-niter.c (double_int_cmp, bound_index,
	discover_iteration_bound_by_body_walk): New functions.
	(discover_iteration_bound_by_body_walk): Use it.

2012-11-02  Jan Hubicka  <jh@suse.cz>

	* predict.c (predict_loops): Predict also exits not dominating latch.

2012-11-02  Jan Hubicka  <jh@suse.cz>

	* predict.c (predict_loops): Do not predict infinite loops.

2012-11-02  Jan Hubicka  <jh@suse.cz>

	PR middle-end/55079
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Update
	MAX field if NITER was folded to contant.
	(record_estimate): Sanity check.
	* tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): New
	function.
	(remove_redundant_iv_test): New function.
	(loops_to_unloop, loops_to_unloop_nunroll): New static vars.
	(unloop_loops): Break out from ...
	(try_unroll_loop_completely): ... here; Pass in MAXITER; use
	remove_exits_and_undefined_stmts; do not unloop.
	(canonicalize_loop_induction_variables): Compute MAXITER;
	use remove_redundant_iv_test; remove loop_close_ssa_invalidated
	and irred_invalidated arguments.
	(canonicalize_induction_variables): Compute fresh bound estimates;
	unloop; walk from innermost.
	(tree_unroll_loops_completely): Likewise.

2012-11-02  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55130
	* lra-constraints.c (debug_loc_equivalence_change_p): Rename to
	loc_equivalence_change_p.
	(lra_constraints): Check equiv_insn_bitmap for debug insn.  Call
	loc_equivalence_change_p for non-transformed insn.

2012-11-02  Eric Botcazou  <ebotcazou@adacore.com>

	* cfg-flags.def (ABNORMAL_CALL): Fix comment.
	(EH): Likewise.
	(SIBCALL): Likewise.
	* cfgrtl.c (rtl_verify_flow_info_1): Adjust error messages.
	Deal with EDGE_SIBCALL and fix the EDGE_ABNORMAL check.

2012-11-02  Jakub Jelinek  <jakub@redhat.com>

	PR target/55147
	* config/i386/i386.md (bswapdi2): Limit to TARGET_64BIT.
	(*bswapdi2_doubleword): Removed.

2012-11-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific): Remove moxie web reference.

2012-11-01  Marc Glisse  <marc.glisse@inria.fr>

	PR middle-end/55001
	* tree-vect-generic.c (expand_vector_condition): New function.
	(expand_vector_operations_1): Call it.

2012-11-01  Steve Ellcey  <sellcey@mips.com>

	* target-globals.c (save_target_globals): Save lra_int struct.

2012-11-01  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/standards.texi (Standards): Adjust reference to Go specification.

2012-11-01  Lawrence Crowl  <crowl@google.com>

	* ebitmap.h: Remove unused.
	* ebitmap.c: Remove unused.
	* Makefile.in: Remove ebitmap.h and ebitmap.c.
	* sbitmap.h (SBITMAP_SIZE_BYTES): Move to source file.
	(SET_BIT_WITH_POPCOUNT): Remove unused.
	(RESET_BIT_WITH_POPCOUNT): Remove unused.
	(bitmap_copy_n): Remove unused.
	(bitmap_range_empty_p): Remove unused.
	(sbitmap_popcount): Remove unused.
	(sbitmap_verify_popcount): Make private to source file.
	* sbitmap.c (SBITMAP_SIZE_BYTES): Move here from header.
	(bitmap_copy_n): Remove unused.
	(bitmap_range_empty_p): Remove unused.
	(sbitmap_popcount): Remove unused.
	(sbitmap_verify_popcount): Make private to source file.

2012-11-01  Lawrence Crowl  <crowl@google.com>

	* sbitmap.h (sbitmap_iter_init): Rename bmp_iter_set_init and add
	unused parameter to match bitmap iterator.  Update callers.
	(sbitmap_iter_cond): Rename bmp_iter_set.  Update callers.
	(sbitmap_iter_next): Rename bmp_iter_next and add unused parameter to
	match bitmap iterator.  Update callers.
	(EXECUTE_IF_SET_IN_SBITMAP_REV): Remove unused.
	(EXECUTE_IF_SET_IN_SBITMAP): Rename EXECUTE_IF_SET_IN_BITMAP and
	adjust to be identical to the definition in bitmap.h.  Conditionalize
	the definition based on not having been defined.  Update callers.
	* bitmap.h (EXECUTE_IF_SET_IN_BITMAP): Conditionalize the definition
	based on not having been defined.  (To match the above.)

2012-11-01  Lawrence Crowl  <crowl@google.com>

	* sbitmap.h (TEST_BIT): Rename bitmap_bit_p, normalizing parameter
	type. Update callers to match.
	(SET_BIT): Rename bitmap_set_bit, normalizing parameter type. Update
	callers to match.
	(SET_BIT_WITH_POPCOUNT): Rename bitmap_set_bit_with_popcount,
	normalizing parameter type. Update callers to match.
	(RESET_BIT): Rename bitmap_clear_bit, normalizing parameter type.
	Update callers to match.
	(RESET_BIT_WITH_POPCOUNT): Rename bitmap_clear_bit_with_popcount,
	normalizing parameter type. Update callers to match.
	* basic-block.h (sbitmap_intersection_of_succs): Rename
	bitmap_intersection_of_succs. Update callers to match.
	* basic-block.h (sbitmap_intersection_of_preds): Rename
	bitmap_intersection_of_preds. Update callers to match.
	* basic-block.h (sbitmap_union_of_succs): Rename
	bitmap_union_of_succs. Update callers to match.
	* basic-block.h (sbitmap_union_of_preds): Rename
	bitmap_union_of_preds. Update callers to match.

2012-11-01  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55150
	* lra-constraints.c (lra_constraints): Check only pseudos with
	equivalences.  Add insns with equivalence pseudos.

2012-11-01  Sharad Singhai  <singhai@google.com>

	PR other/55164
	* dumpfile.h (struct dump_file_info): Fix order of flags.

2012-11-01  Jan Hubicka  <jh@suse.cz>

	PR middle-end/55104
	* ipa-inline-transform.c (inline_call): Silence an sanity check until
	ipa-cp issue if fixed.

2012-11-01  Sharad Singhai  <singhai@google.com>

	* doc/invoke.texi: Update -fopt-info documentation.
	* dumpfile.c: Move dump_flags here from passes.c.
	Rename opt_info_options to optinfo_verbosity_options.
	Add optgroup_options.
	(dump_files): Add field for optinfo_flags in the static initializer.
	(dump_register): Handle additional parameter for optgroup_flags.
	(opt_info_enable_passes): Renamed opt_info_enable_all. Handle
	optgroup_flags. Fix documentation.
	(opt_info_switch_p_1): Handle optgroup options.
	(opt_info_switch_p): Handle optgroup_flags. Warn on multiple files.
	* dumpfile.h (dump_register): Additional argument for optgroup_flags.
	All callers updated.
	(struct dump_file_info): Add field for optgroup_flags.
	Define OPTGROUP_* flags.
	* tree-pass.h (struct opt_pass): Add addtional field for optinfo_flags.
	All opt_pass static initializers updated.
	* opts-global.c (dump_remap_tree_vectorizer_verbose): Use 'all'
	instead of 'optall'.
	(handle_common_deferred_options): Fix typo in error message.
	* passes.c (register_one_dump_file): Add argument for optgroup_flags.
	Turn on OPTGROUP_IPA for IPA passes.
	Move dump_flags from here to dumpfile.c.
	* statistics.c (statistics_early_init): Use OPTGROUP_NONE in call to
	dump_register.

2012-11-01  Joern Rennecke  <joern.rennecke@embecosm.com>

	PR target/55160
	* config/sh/sh.md (doloop_end): Use emit_jump_insn.

2012-10-31  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/53708
	* tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
	user-supplied alignment when used with an explicit section name.

2012-10-31  Dehao Chen  <dehao@google.com>

	* tree-eh.c (do_return_redirection): Set location for jump statement.
	(do_goto_redirection): Likewise.
	(frob_into_branch_around): Likewise.
	(lower_try_finally_nofallthru): Likewise.
	(lower_try_finally_copy): Likewise.
	(lower_try_finally_switch): Likewise.
	* expr.c (store_expr): Use current insn location instead of expr
	location.
	(expand_expr_real): Likewise.
	(expand_expr_real_1): Likewise.

2012-10-31   Easwaran Raman  <eraman@google.com>

	PR target/54938
	PR middle-end/54957
	* optabs.c (emit_cmp_and_jump_insn_1): Add REG_BR_PROB note
	only if it doesn't already exist.
	* stmt.c (get_outgoing_edge_probs): Return 0 if BB is NULL.
	(emit_case_dispatch_table): Handle the case where STMT_BB is NULL.
	(expand_sjlj_dispatch_table): Pass BB containing before_case
	to emit_case_dispatch_table.

2012-10-31  Lawrence Crowl  <crowl@google.com>

	* is-a.h: New.
	(is_a <T> (U*)): New.  Test for is-a relationship.
	(as_a <T> (U*)): New.  Treat as a derived type.
	(dyn_cast <T> (U*)): New.  Conditionally cast based on is_a.
	* cgraph.h (varpool_node): Rename to varpool_node_for_decl.
	Adjust callers to match.
	(is_a_helper <cgraph_node>::test (symtab_node_def *)): New.
	(is_a_helper <varpool_node>::test (symtab_node_def *)): New.
	(symtab_node_def::try_function): New.  Change most calls to
	symtab_function_p with calls to dyn_cast <cgraph_node> (p).
	(symtab_node_def::try_variable): New.  Change most calls to
	symtab_variable_p with calls to dyn_cast <varpool_node> (p).
	(symtab_function_p): Remove.  Change callers to use
	is_a <cgraph_node> (p) instead.
	(symtab_variable_p): Remove.  Change callers to use
	is_a <varpool_node> (p) instead.
	* cgraph.c (cgraph_node_for_asm): Remove redundant call to
	symtab_node_for_asm.
	* cgraphunit.c (symbol_finalized_and_needed): New.
	(symbol_finalized): New.
	(cgraph_analyze_functions): Split complicated conditionals out into
	above new functions.
	* Makefile.in (CGRAPH_H): Add is-a.h as used by cgraph.h.

2012-10-31  Steven Bosscher  <steven@gcc.gnu.org>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/55018
	* basic-block.h (dfs_find_deadend): New prototype.
	* cfganal.c (dfs_find_deadend): No longer static.  Use bitmap
	instead of sbitmap for visited.
	(flow_dfs_compute_reverse_execute): Use dfs_find_deadend here, too.
	* dominance.c (calc_dfs_tree): If saw_unconnected, traverse from
	dfs_find_deadend of unconnected b instead of b directly.

2012-10-31  Eric Botcazou  <ebotcazou@adacore.com>

	* config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
	special register pushes before frame probing and allocation.

2012-10-31  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55150
	* lra-constraints.c (lra_constraints): Update debug insn info
	after equivalence change.

2012-10-31  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (ipa_inline): Avoid infinite loop on inlining
	empty virtual functions calling themselves.

2012-10-31  Tom Tromey  <tromey@redhat.com>

	PR other/50899
	* doc/gcc.texi: Add @direntry for gcov.

2012-10-31  Joern Rennecke  <joern.rennecke@embecosm.com>

	* expr.c (can_move_by_pieces): Apply ATTRIBUTE_UNUSED to len.

2012-10-31  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/19105
	PR tree-optimization/21643
	PR tree-optimization/46309
	* tree-ssa-reassoc.c (init_range_entry): Add STMT argument
	and use it if EXP is NULL.
	(update_range_test): Handle OPCODE equal to ERROR_MARK and oe->op NULL.
	(optimize_range_tests): Likewise.
	(final_range_test_p, suitable_cond_bb, no_side_effect_bb, get_ops,
	maybe_optimize_range_tests): New functions.
	(reassociate_bb): Call maybe_optimize_range_tests if last
	stmt of bb is GIMPLE_COND that hasn't been visited yet.

2012-10-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/rs6000/rs6000.md (insvsi, insvdi, extvsi, extvdi): Rename
	to...
	(insvsi_internal, insvdi_internal, extvsi_internal)
	(extvdi_internal): ...this.
	(insv, extv): Update accordingly.

2012-10-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* combine.c (simplify_comparison): If BITS_BIG_ENDIAN, always assume
	that zero_extracts of const_ints are doing word-sized extractions.

2012-10-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* combine.c (make_extraction): Remove dead wanted_inner_mode-
	and pos_rtx-related code.

2012-10-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (store_bit_field_1): Move generation of MEM insvs
	to the MEM_P block.
	(extract_bit_field_1): Likewise extvs and extzvs.

2012-10-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (store_bit_field_using_insv): New function,
	split out from...
	(store_bit_field_1): ...here.
	(extract_bit_field_using_extv): New function, split out from...
	(extract_bit_field_1): ...here.

2012-10-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (store_bit_field_1): Use OP_MODE to check whether an
	insv pattern is available.  Remove redundant checks for OP_MODE
	being MAX_MACHINE_MODE.
	(extract_bit_field_1): Remove redundant checks for EXT_MODE being
	MAX_MACHINE_MODE.

2012-10-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (store_bit_field_1): Remove test for BLKmode values.

2012-10-31  Ralf Corsépius  <ralf.corsepius@rtems.org>,
	    Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config/sparc/t-rtems: New (Custom multilibs).
	* config/sparc/t-rtems-64: New (Custom multilibs).
	* config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
	(sparc-*-rtems*): Add sparc/t-rtems.

2012-10-31  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (legitimize_reload_address): Remove code
	handling non-aligned ld/std.
	* config/rs6000/paired.md (movv2sf_paired): Use 'Y' instead of 'o'.
	* config/rs6000/vsx.md (vsx_mov, vsx_movti): Likewise.
	* config/rs6000/altivec.md (altivec_mov, altivec_movti): Likewise.
	* config/rs6000/dfp.md (movtd_internal): Use 'm' instead of 'o'.

2012-10-31  Alan Modra  <amodra@gmail.com>

	* config/rs6000/linux64.h (TARGET_OS_CPP_BUILTINS): Define _CALL_LINUX.

2012-10-31  Joern Rennecke  <joern.rennecke@embecosm.com>

	* lra-constraints.c (choose_split_class): Add ATTRIBUTE_UNUSED to
	hard_reg_class.

	PR target/52498
	* vmsdbgout.c (vmsdbgout_write_source_line): Comment out names of
	last two parameters.

2012-10-30  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54551
	PR debug/54693
	* valtrack.c (dead_debug_promote_uses): Assert-check that
	global used bit was clear and initialize entry unconditionally.

2012-10-30  Eric Botcazou  <ebotcazou@adacore.com>

	* cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
	head comment.
	(hash_rtx): Likewise.

2012-10-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR rtl-optimization/55093
	* rtlanal.c (simplify_subreg_regno): Remove lra_in_progress
	check for ARG_POINTER_REGNUM.

2012-10-30  Steve Ellcey  <sellcey@mips.com>

	* config/mips/mti-linux.h (SYSROOT_SUFFIX_SPEC): Change order
	and add mabi=64.
	(DRIVER_SELF_SPECS): Make -n32 the default on mips64* archs.
	* config/mips/t-mti-linux (MULTILIB_OPTIONS): Change order.
	(MULTILIB_DIRNAMES): Ditto.
	(MULTILIB_EXCEPTIONS): New.

2012-10-30  Joern Rennecke  <joern.rennecke@embecosm.com>

	* lra-constraints.c (check_secondary_memory_needed_p):
	Add ATTRIBUTE_UNUSED to parameters.

2012-10-30  Richard Sandiford  <rdsandiford@googlemail.com>

	* defaults.h (SLOW_UNALIGNED_ACCESS): Provide default definition.
	* expmed.c (SLOW_UNALIGNED_ACCESS): Remove default definition.
	* expr.c (SLOW_UNALIGNED_ACCESS): Likewise.
	* lra-constraints.c (SLOW_UNALIGNED_ACCESS): Likewise.
	(simplify_operand_subreg): Don't check STRICT_ALIGNMENT here.

2012-10-30  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-analysis.c (eliminated_by_inlining_prob): Cleanup.

2012-10-30  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-niter.c (number_of_iterations_exit): New parameter
	EVERY_ITERATION with implicit value of true.
	(record_estimate): Check dominance relationship of the basic block
	we are estimating on instead of relying on UPPER to be false.
	(struct ilb_data): Drop RELIABLE.
	(idx_infer_loop_bounds): Update.
	(infer_loop_bounds_from_ref): Drop parameter RELIABLE.
	(infer_loop_bounds_from_array): Drop parameter RELIABLE.
	(infer_loop_bounds_from_undefined): Update comments and handling
	of RELIABLE.
	(estimate_numbers_of_iterations_loop): Record all bounds.

2012-10-30  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* lra-eliminations.c (lra_eliminate_regs_1): Use simplify_gen_subreg
	rather than gen_rtx_SUBREG.

2012-10-30  Richard Biener  <rguenther@suse.de>

	* gimple.h (gimple_store_p): New predicate.
	(gimple_assign_load_p): Likewise.
	* tree-inline.c (estimate_num_insns): Use it.

2012-10-30  Marc Glisse  <marc.glisse@inria.fr>

	* fold-const.c (fold_binary_op_with_conditional_arg): Handle vectors.
	(fold_binary_loc): Call it for VEC_COND_EXPR.

2012-10-30  James Greenhalgh  <james.greenhalgh@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-simd.md
	(aarch64_simd_bsl<mode>_internal): New pattern.
	(aarch64_simd_bsl<mode>): Likewise.
	(aarch64_vcond_internal<mode>): Likewise.
	(vcondu<mode><mode>): Likewise.
	(vcond<mode><mode>): Likewise.
	* config/aarch64/iterators.md (UNSPEC_BSL): Add to define_constants.

2012-10-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55111
	* tree-ssa-pre.c (eliminate_insert): Properly fold the built stmt.

2012-10-30  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54963
	* config/sh/iterators.md (SIDI): New mode iterator.
	* config/sh/sh.md (negdi2): Use parallel around operation and T_REG
	clobber in expander.
	(*negdi2): Mark output operand as early clobbered.  Add T_REG clobber.
	Split after reload.  Simplify split code.
	(abssi2, absdi2): Fold expanders into abs<mode>2.
	(*abssi2, *absdi2): Fold into *abs<mode>2 insn_and_split.  Split insns
	before reload.
	(*negabssi2, *negabsdi2): Fold into *negabs<mode>2.  Add T_REG clobber.
	Split insns before reload.
	(negsi_cond): Reformat.  Use emit_move_insn instead of gen_movesi.
	(negdi_cond): Reformat.  Use emit_move_insn instead of a pair
	of gen_movsi.  Split insn before reload.

2012-10-30  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/53988
	* config/sh/sh.md (tstqi_t_zero): Rename to *tstqi_t_zero.
	(*tst<mode>_t_zero): New insns.
	* config/sh/iterators.md (lowpart_be, lowpart_le): New mode attributes.

2012-10-30  H.J. Lu  <hongjiu.lu@intel.com>

	* gimple-pretty-print.c (dump_gimple_bb_header): Avoid alloca.

2012-10-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/54953
	* valtrack.h (DEBUG_TEMP_AFTER_WITH_REG_FORCE): New.
	* valtrack.c (dead_debug_insert_temp): Use emit_debug_insn_after
	even for where == DEBUG_TEMP_AFTER_WITH_REG_FORCE.
	* dce.c (word_dce_process_block, dce_process_block): Pass
	DEBUG_TEMP_AFTER_WITH_REG_FORCE if insn is needed and therefore
	not going to be eliminated.

2012-10-29  Lawrence Crowl  <crowl@google.com>

	* sbitmap.h (sbitmap_copy): Rename bitmap_copy.
	(sbitmap_copy_n): Rename bitmap_copy_n.
	(sbitmap_equal): Rename bitmap_equal_p.
	(sbitmap_empty_p): Rename bitmap_empty_p.
	(sbitmap_range_empty_p): Rename bitmap_range_empty_p.
	(sbitmap_zero): Rename bitmap_clear.
	(sbitmap_ones): Rename bitmap_ones.
	(sbitmap_vector_zero): Rename bitmap_vector_clear.
	(sbitmap_vector_ones): Rename bitmap_vector_ones.
	(sbitmap_not): Rename bitmap_not.
	(sbitmap_a_and_b_cg): Commented out.
	(sbitmap_a_and_b): Rename bitmap_and.  Add bool return.
	(sbitmap_difference): Rename bitmap_and_compl.
	(sbitmap_a_or_b_cg): Commented out.
	(sbitmap_a_or_b): Rename bitmap_xor.  Add bool return.
	(sbitmap_a_xor_b_cg): Commented out.
	(sbitmap_a_xor_b): Rename bitmap_xor.  Add bool return.
	(sbitmap_a_and_b_or_c_cg): Rename bitmap_and_or.
	(sbitmap_a_and_b_or_c): Commented out.
	(sbitmap_a_or_b_and_c_cg): Rename bitmap_or_and.
	(sbitmap_a_or_b_and_c): Commented out.
	(sbitmap_union_of_diff_cg): Rename bitmap_ior_and_compl.
	(sbitmap_union_of_diff): Commented out.
	(dump_sbitmap): Rename dump_bitmap.
	(dump_sbitmap_file): Rename dump_bitmap_file.
	(debug_sbitmap): Rename debug_bitmap.
	(dump_sbitmap_vector): Rename dump_bitmap_vector.
	(sbitmap_first_set_bit): Rename bitmap_first_set_bit.
	(sbitmap_last_set_bit): Rename bitmap_last_set_bit.
	(sbitmap_a_subset_b_p): Rename bitmap_subset_p.
	(sbitmap_any_common_bits): Rename bitmap_intersect_p.
	(#define sbitmap_free): Reimplement as inline function.
	(#define sbitmap_vector_free): Reimplement as inline function.
	* bitmap.h (#define bitmap_zero): Remove as redundant.
	(#define bitmap_empty_p): Reimplement as inline function.
	(#define dump_bitmap): Reimplement as inline function.

2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR c++/54930
	* doc/invoke.texi (Warning Options): Document -Wno-return-local-addr.

2012-10-29  H.J. Lu  <hongjiu.lu@intel.com>

	* lra-assigns.c: Remove trailing white spaces.
	* lra-coalesce.c: Likewise.
	* lra-constraints.c: Likewise.
	* lra-eliminations.c: Likewise.
	* lra-int.h: Likewise.
	* lra-spills.c: Likewise.
	* lra.c: Likewise.

2012-10-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53066
	* tree.h (FUNCTION_POINTER_TYPE_P): New.

2012-10-29  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54693
	* valtrack.c (dead_debug_insert_temp): Defer rescan of
	newly-emitted debug insn.

2012-10-29  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54693
	* tree-ssa-threadedge.c (thread_around_empty_block): Copy
	debug temps from predecessor before threading.

2012-10-29  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54551
	PR debug/54693
	* valtrack.c (dead_debug_global_find): Accept NULL dtemp.
	(dead_debug_global_insert): Return new entry.
	(dead_debug_global_replace_temp): Return early if REG is no
	longer in place, or if dtemp was already substituted.
	(dead_debug_promote_uses): Insert for all defs and replace all
	debug uses at once.
	(dead_debug_local_finish): Release used after promotion.
	(dead_debug_insert_temp): Stop if dtemp is NULL.

2012-10-29  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54693
	* loop-unroll.c (loop_exit_at_end_p): Skip debug insns.

2012-10-29  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54693
	* config/i386/i386.c (add_parameter_dependencies): Stop
	backward scan at the insn before the incoming head.
	(ix86_dependencies_evaluation_hook): Skip debug insns.  Stop
	if first_arg is head.

2012-10-29  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64-protos.h (aarch64_load_tp): New proto.
	* config/aarch64/aarch64.c (aarch64_load_tp): Export.
	(aarch64_init_builtins): Don't add __builtin_thread_pointer builtin.
	* config/aarch64/aarch64.h (aarch64_builtins): Delete
	AARCH64_BUILTIN_THREAD_POINTER.
	* config/aarch64/aarch64.md (get_thread_pointerdi): New pattern.

2012-10-29  Marc Glisse  <marc.glisse@inria.fr>

	PR middle-end/55027
	* tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
	Handle VECTOR_CST.

2012-10-29  Vladimir Makarov  <vmakarov@redhat.com>

	* rtlanal.c (strip_address_mutation): Use SUBREG_REG instead of XEXP.

2012-10-29  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_decompose_address): Use simplify_gen_subreg
	for all addresses, zero-extended with AND.

2012-10-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55116
	* rtlanal.c (strip_address_mutation): Add SUBREG case.

2012-10-29  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (want_inline_function_called_once_p): Rename to ...
	(want_inline_function_to_all_callers_p): check also functions with
	multiple callers.
	(ipa_inline): Handle inlining for size into multiple callers.

2012-10-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53695
	* tracer.c (tracer): Fixup loop structure.
	* cfgloopmanip.c (force_single_succ_latches): Add assert.
	(fix_loop_structure): Re-compute loop latches and disambiguate
	loops with multiple latches if required.

2012-10-29  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_decompose_address): Use simplify_gen_subreg
	to check SImode equivalent of address, zero-extended with AND RTX.
	* config/i386/i386.md (ashift to lea splitter): Split to SImode mult.
	(simple lea to add/shift peephole2s): Remove peephole2s that operate
	on subregs of DImode operations.

2012-10-28  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55106
	* lra-constraints.c (skip_usage_debug_insns): New function.
	(check_secondary_memory_needed_p): Ditto.
	(inherit_reload_reg): Use the new functions.  Improve debug output.

2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/cpp.texi (Search Path): Fix outdated C++ path.

2012-10-28  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle
	&this->field expressions.

2012-10-28  Vladimir Makarov  <vmakarov@redhat.com>

	* rtl.h (struct rtx_def): Add a comment for member unchanging.
	* lra-int.h (LRA_TEMP_CLOBBER_P): New macro.
	(lra_hard_reg_substitution): Rename to lra_final_code_change.
	* lra-constraints.c (match_reload): Mark temporary clobbers.
	* lra-spill.c (lra_hard_reg_substitution): Rename to
	lra_final_code_change.  Remove temporary clobbers.
	* lra.c (lra): Rename to lra_final_code_change.

2012-10-28  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (edge_badness): Fix overflow.
	(inline_small_functions): Initialize SCCs correctly.
	(do_estimate_edge_time, do_estimate_edge_hints): Skip self
	recursive functions in SCC hints.

2012-10-28  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/38711
	* ira.c (ira): Remove DF_LIVE if the problem is in the stack.
	(do_reload): Add it back at the end for -O2 and higher.

	* function.c (thread_prologue_and_epilogue_insns): Use
	REG_SET_TO_HARD_REG_SET instead of CLEAR_HARD_REG_SET and
	reg_set_to_hard_reg_set.

2012-10-28  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (edge_badness): Reduce precision; use scc hints.
	(inline_small_functions): Fix dumps; update all callees after inlining.
	* ipa-inline.h (INLINE_HINT_in_scc, INLINE_HINT_same_scc): New
	constants.
	(inline summary): Add SCC_NO.
	* ipa-inline-analysis.c (dump_inline_hints): Dump SCC hints.
	(reset_inline_summary): Reset scc_no.
	(estimate_node_size_and_time): Set in_scc hint.
	(do_estimate_edge_time): Add same_scc hint.
	(do_estimate_edge_hints): Likewise.

2012-10-28  Andreas Schwab  <schwab@linux-m68k.org>

	* doc/cppopts.texi: Fix use of @item vs. @itemx inside @table.
	* doc/extend.texi: Likewise.
	* doc/generic.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.

	* doc/tm.texi.in (Misc): Add newline before @end.
	* doc/tm.texi: Update.

2012-10-27  Joern Rennecke  <joern.rennecke@embecosm.com>

	* lra-assigns.c (find_hard_regno_for): Fix use of WORDS_BIG_ENDIAN.

2012-10-27  Georg-Johann Lay  <avr@gjlay.de>

	PR target/55034
	* config/avr/avr.c (avr_out_lpm): Remove unused regno_dest.

2012-10-27  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/55042
	* config/sh/sh.c (sh1_builtin_p): Comment out unused function.

2012-10-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*lea<mode>): Remove unneeded temporary.

2012-10-26  David S. Miller  <davem@davemloft.net>

	* config/sparc/constraints.md: Update unused letter list, move
	"w" near other memory constraints.  Remove no longer relevant
	comment.
	* doc/md.texi: Sync sparc constraint documentation with reality.

2012-10-26  DJ Delorie  <dj@redhat.com>

	* config/rl78/rl78.c (rl78_as_legitimate_address): Do not allow
	reg+addend addresses for the _far namespace.

2012-10-26  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/sync.md (ATOMIC): Correct DI condition.

2012-10-26  Jakub Jelinek  <jakub@redhat.com>

	PR debug/54970
	* cfgexpand.c (expand_debug_expr): Expand &MEM_REF[&var, n]
	as DEBUG_IMPLICIT_PTR + n if &var expands to DEBUG_IMPLICIT_PTR.
	* tree-sra.c (create_access_replacement): Allow also MEM_REFs
	with ADDR_EXPR first operand in DECL_DEBUG_EXPR expressions.
	* var-tracking.c (track_expr_p): Handle MEM_REFs in DECL_DEBUG_EXPR
	expressions.
	* dwarf2out.c (add_var_loc_to_decl): Likewise.

2012-10-26  Jeff Law  <law@redhat.com>

	* tree-ssa-threadedge.c (cond_arg_set_in_bb): Use last stmt.

2012-10-26  Gunther Nikl  <gnikl@users.sourceforge.net>

	* common/config/m68k/m68k-common.c (m68k_handle_option): Set
	gcc_options fields of opts_set for -m68020-40 and -m68020-60.

2012-10-26  Teresa Johnson  <tejohnson@google.com>

	* ree.c (add_removable_extension): Remove unnecessary
	mode check with other extension.
	* testsuite/gcc.c-torture/execute/20111227-2.c: New test.
	* testsuite/gcc.c-torture/execute/20111227-3.c: Ditto.

2012-10-26  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-transform.c (inline_call): Only account size changes
	for !DECL_EXTERNAL.

2012-10-26  Martin Jambor  <mjambor@suse.cz>

	PR debug/54971
	* tree-sra.c (struct access): New flag grp_to_be_debug_replaced.
	(dump_access): Dump the new flag.
	(analyze_access_subtree): Set the new flag when appropriate.
	(create_access_replacement): Handle debug replacements differently.
	(generate_subtree_copies): Handle the grp_to_be_debug_replaced flag.
	(init_subtree_with_zero): Likewise.
	(sra_modify_expr): Likewise.
	(load_assign_lhs_subreplacements): Likewise.
	(sra_modify_assign): Likewise.

2012-10-23  Yuri Rumyantsev  <ysrumyan@gmail.com>

	* config/i386/i386.c (insn_is_function_arg) : Add check on CALL
	instruction.
	(ix86_dependencies_evaluation_hook): Insert dependencies in all
	predecessors of call block for non-trivial region avoiding creation
	of loop-carried dependency to avoid cross-block motion of HW registers.

2012-10-26  Richard Biener  <rguenther@suse.de>

	PR middle-end/54824
	* tree-optimize.c (execute_fixup_cfg): Insert __builtin_unreachable
	at the end of blocks with no successors.

2012-10-26  Alexander Ivchenko  <alexander.ivchenko@intel.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	* common/config/i386/i386-common.c
	(OPTION_MASK_ISA_FXSR_SET): New.
	(OPTION_MASK_ISA_XSAVE_SET): Likewise.
	(OPTION_MASK_ISA_XSAVEOPT_SET): Likewise.
	(ix86_handle_option): Handle mfxsr, mxsave, mxsaveopt options.
	* config.gcc (i[34567]86-*-*): Add fxsrintrin.h,
	xsaveintrin.h, xsaveoptintrin.h.
	(x86_64-*-*): Likewise.
	* config/i386/fxsrintrin.h: New header.
	* config/i386/xsaveintrin.h: Likewise.
	* config/i386/xsaveoptintrin.h: Likewise.
	* config/i386/driver-i386.c (host_detect_local_cpu): Detect
	FXSR/XSAVE/XSAVEOPT support.
	* config/i386/i386-builtin-types.def
	(VOID_FTYPE_PVOID_INT64): New function type.
	* config/i386/i386-c.c: Define __FXSR__, __XSAVE__
	and __XSAVEOPT__ if needed.
	* config/i386/i386.c (ix86_target_string): Define -mfxsr,
	 -mxsave and -mxsaveopt options.
	(PTA_FXSR): New.
	(PTA_XSAVE): Likewise.
	(PTA_XSAVEOPT): Likewise.
	(ix86_option_override_internal): Handle new option.
	(processor_alias_table): Added PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT.
	(ix86_valid_target_attribute_inner_p): Add OPT_mfxsr,
	OPT_mxsave, OPT_mxsaveopt.
	(ix86_builtins): Add IX86_BUILTIN_FXSAVE, IX86_BUILTIN_FXRSTOR,
	IX86_BUILTIN_FXSAVE64, IX86_BUILTIN_XSAVE, IX86_BUILTIN_XSAVE64,
	IX86_BUILTIN_XRSTOR, IX86_BUILTIN_XRSTOR64, IX86_BUILTIN_XSAVEOPT,
	IX86_BUILTIN_XSAVEOPT64.
	(ix86_expand_builtin): Handle these built-ins.
	* config/i386/i386.h (TARGET_FXSR): New.
	(TARGET_XSAVE): Likewise.
	(TARGET_XSAVEOPT): Likewise.
	* config/i386/i386.md (ANY_XSAVE): New int iterator.
	(ANY_XSAVE64): Likewise.
	(xsave): New int attribute.
	(fxsave): New instruction.
	(fxsave64): Likewise.
	(fxrstor): Likewise.
	(fxrstor64): Likewise.
	(<xsave>): Likewise.
	(<xsave>_rex64): Likewise.
	(xrstor): Likewise.
	(xrstor_rex64): Likewise.
	(xrstor64): Likewise.
	* config/i386/i386.opt (mfxsr): New.
	(mxsave): Likewise.
	(mxsaveopt): Likewise.
	* config/i386/x86intrin.h: Include
	xsaveintrin.h, fxsrintrin.h, xsaveoptintrin.h.

2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config/avr/t-rtems: Revert previous commit.

2012-10-26  Richard Sandiford  <rdsandiford@googlemail.com>

	PR bootstrap/55049
	* Makefile.in (rtlanal.o): Add dependency on addresses.h.
	* rtl.h (address_info): New structure.
	(strip_address_mutations, decompose_address, decompose_lea_address)
	(decompose_mem_address, update_address, get_index_scale)
	(get_index_code): Declare.
	* rtlanal.c: Include addresses.h.
	(strip_address_mutations, must_be_base_p, must_be_index_p)
	(set_address_segment, set_address_base, set_address_index)
	(set_address_disp, decompose_incdec_address, decompose_automod_address)
	(extract_plus_operands, baseness, decompose_normal_address)
	(decompose_address, decompose_lea_address, decompose_mem_address)
	(update_address, get_index_scale, get_index_code): New functions.
	* lra-constraints.c (strip_subreg): New function.
	(address, extract_loc_address_regs, extract_address_regs)
	(get_index_scale): Delete.
	(process_addr_reg): Apply strip_subreg to the location.
	(uses_hard_regs_p): Use decompose_mem_address.
	(valid_address_p, base_plus_disp_to_reg, can_add_disp_p)
	(equiv_address_substitution): Take an address_info rather
	than an address.  Remove other arguments.  Avoid using Pmode.
	(process_address): Use decompose_mem_address and decompose_lea_address.
	Update calls to above functions.

2012-10-26  Richard Sandiford  <rdsandiford@googlemail.com>

	* lra-constraints.c (process_address): Tighten arguments to
	base_reg_class.  Use simplify_gen_binary to generate PLUS rtxes.

2012-10-26  Richard Sandiford  <rdsandiford@googlemail.com>

	* lra-constraints.c (get_index_scale, can_add_disp_p): New functions.
	(equiv_address_substitution): Use them.

2012-10-26  Richard Sandiford  <rdsandiford@googlemail.com>

	* lra-constraints.c (valid_address_p): New function, split out from...
	(process_address): ...here.

2012-10-26  Richard Sandiford  <rdsandiford@googlemail.com>

	* lra-constraints.c (process_address): Describe the kinds of address
	that we might see.

2012-10-25  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-int.h (lra_assert): Redefine it gcc_checking_assert.
	* lra-constraints.c (check_and_process_move): Remove #if
	ENABLE_ASSERT_CHECKING.

2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
	__USE_INIT_FINI__.
	* config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.

2012-10-25  David S. Miller  <davem@davemloft.net>

	* config/sparc/constraints.md ("U"): Delete.
	* config/sparc/sparc.md: Use 'r' constraint instead of 'U'.
	* config/sparc/sync.md: Likewise.

2012-10-25  Lawrence Crowl  <crowl@google.com>

	* hash-table.h: Add usage documentation.
	(template struct typed_free_remove): Clarify documentation.
	Rename template parameter.
	(struct typed_noop_remove): Likewise.
	(descriptor concept): Change typedef T to value_type.
	Add typedef compare_type.  Use more precise template parameter name,
	Descriptor instead of Descr.  Update users to match.
	(struct hash_table): Change 'find' parameters to use compare_type
	instead of the value type.

2012-10-25  Jan Hubicka  <jh@suse.cz>

	* ipa-cp.c (ipcp_discover_new_direct_edges): If something was turned
	to direct call update the summary.
	* ipa-inline-transform.c (inline_call): Sanity check that summaries
	match the predicted effect; fix updating of summary after edge
	redirection.
	* ipa-inline-analysis.c (inline_node_duplication_hook): Do not try
	to update the summary and recompute it instead.
	(estimate_function_body_sizes): Fix self size estimation; double
	check that it agrees with inline_update_overall_summary.
	(estimate_edge_size_and_time): Handle devirtualizaiton costs.
	(estimate_edge_devirt_benefit): Update to be called from
	estimate_edge_size_and_time.
	(estimate_calls_size_and_time): Update.
	(estimate_node_size_and_time): Watch overflows.
	(inline_merge_summary): Likewise.
	* ipa-prob.c: Include ipa-inline.h
	(ipa_make_edge_direct_to_target): After redirection update the summary.

2012-10-25  Cary Coutant  <ccoutant@google.com>

	PR debug/55063
	* dwarf2out.c (prune_unused_types_prune): Check whether DIE is
	already a declaration.

2012-10-25  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-assigns.c (assign_by_spills): Add non-reload pseudos
	assigned to hard register to changed_pseudo_bitmap.

2012-10-25  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config.gcc (microblaze*-*-rtems*): New target.
	* config/microblaze/rtems.h: New.
	* config/microblaze/t-rtems: New.

2012-10-25  Jan Hubicka  <jh@suse.cz>

	PR tree-optimize/54980
	* tree-ssa-loop-ivcanon.c (constant_after_peeling): Fix obvious typo.
	(loop_edge_to_cancel): Be sure that the edge is from an conditional
	so we can cancel it.

2012-10-25  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/54427
	* tree.c (signed_or_unsigned_type_for): Handle vectors.

2012-10-25  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (recursive_inlining): Redirect to master
	clone before testing profitability.

2012-10-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54902
	* tree-ssa-pre.c (fini_eliminate): Return TODO.
	(do_pre): Adjust.
	(execute_fre): Likewise.
	* tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
	blocks before computing dominators.

2012-10-25  Richard Sandiford  <rdsandiford@googlemail.com>

	* expr.c (emit_block_move_via_loop): Use simplify_gen_binary
	rather than gen_rtx_PLUS.

2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/55068
	PR regression/55050
	* ira.c (setup_reg_renumber): Fix assert.
	* ira-emit.c (emit_move_list): Update equivalences only for LRA.

2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/55067
	* lra.c: Rename loc to sloc and loc_t to sloc_t.

2012-10-24  Sharad Singhai  <singhai@google.com>

	* config/rs6000/rs6000.c (rs6000_density_test): Use dump_enabled_p
	instead of dump_kind_p.

2012-10-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/54928
	* tree-diagnostic.c (maybe_unwind_expanded_macro_loc):
	Use diagnostic_append_note.
	* diagnostic.c (diagnostic_build_prefix): Make diagnostic const.
	(default_diagnostic_finalizer): Do not destroy prefix here.
	(diagnostic_report_diagnostic): Destroy it here.
	(diagnostic_append_note): New.
	* diagnostic.h (diagnostic_append_note): Declare.

2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55055
	* lra-spills.c (alter_subregs): New function.
	(lra_hard_reg_substitution): Use it.

2012-10-24  Sharad Singhai  <singhai@google.com>

	* dumpfile.c (dump_enabled_p): Make it inline and move the definition
	to dumpfile.h.
	(dump_kind_p): Deleted. Functionality replaced by dump_enabled_p.
	Make alt_dump_file extern.
	* dumpfile.h (dump_enabled_p): Move inline definition here.
	(dump_kind_p): Delete declaration.
	Add extern declaration of alt_dump_file.
	* toplev.c: Move dump_file and dump_file_name to dumpfile.c.
	* tree-vect-loop-manip.c: Replace all uses of dump_kind_p with
	dump_enabled_p.
	* tree-vectorizer.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* tree-vect-data-refs.c: Likewise.
	* tree-vect-patterns.c: Likewise.
	* tree-vect-stmts.c: Likewise.
	* tree-vect-slp.c: Likewise.

2012-10-24  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (lowpart_bit_field_p): Add missing == 0 check.

2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/55049
	* lra-constraints.c (extract_loc_address_regs): Pass top_p for
	ZERO_EXTEND operand.

2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/55048
	* lra-constraints.c (update_ebb_live_info): Skip
	non-NOTE_INSN_BASIC_BLOCK notes.

2012-10-24  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/55010
	* cse.c (fold_rtx) <RTX_COMPARE>: Call copy_rtx on folded_arg{0,1}
	before passing it to simplify_relational_operation.

	PR debug/54828
	* gimple.h (is_gimple_sizepos): New inline function.
	* gimplify.c (gimplify_one_sizepos): Use it.  Remove useless
	final assignment to expr variable.
	* tree.c (RETURN_TRUE_IF_VAR): Return true also if
	!TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
	into a local temporary.

2012-10-23  David S. Miller  <davem@davemloft.net>

	* config/sparc/constraints.md ("T", "W"): Change
	definitions to use define_memory_constraint.  Do not match 'reg'.
	* config/sparc/sparc.c (memory_ok_for_ldd): Remove all non-MEM
	handling code, update comment.

2012-10-23  Ian Lance Taylor  <iant@google.com>

	* doc/extend.texi (Extended Asm): The '+' constraint does not
	require a register.

2012-10-23  Jeff Law  <law@redhat.com>

	* tree-ssa-threadedge.c (thread_across_edge): Remove unused
	parameter in call to cond_arg_set_in_bb.

	* tree-ssa-threadedge.c (cond_arg_set_in_bb): Remove unused
	debugging argument.

	PR tree-optimization/54985
	* tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
	from thread_across_edge.
	(thread_across_edge): Use it in all cases where we might thread
	across a back edge.

2012-10-23  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (update_ebb_live_info): Process empty blocks.

2012-10-23  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (store_split_bit_field): Update the calls to
	extract_fixed_bit_field.  In the big-endian case, always
	use the mode of OP0 to count the number of significant bits.
	(extract_bit_field_1): Remove unit, offset, bitpos and
	byte_offset from the outermost scope.  Express conditions in terms
	of bitnum rather than offset, bitpos and byte_offset.  Move the
	computation of MODE1 to the block that needs it.  Use MODE unless
	the TMODE-based mode_for_size calculation succeeds.  Split the
	plain move cases into two, one for memory accesses and one for
	register accesses.  Generalize the memory case, freeing it from
	the old register-based endian checks.  Move the INT_MODE calculation
	above the code that needs it.  Use simplify_gen_subreg to handle
	multiword OP0s.  If the field still spans several words, pass it
	directly to extract_split_bit_field.  Assume after that point
	that both targets and register sources fit within a word.
	Replace x-prefixed variables with non-prefixed forms.
	Compute the bitpos for ext(z)v register operands directly in the
	chosen unit size, rather than going through an intermediate
	BITS_PER_WORD unit size.  Simplify the containment check
	used when forcing OP0 into a register.  Update the call to
	extract_fixed_bit_field.
	(extract_fixed_bit_field): Replace the bitpos and offset parameters
	with a single bitnum parameter, of the same form as extract_bit_field.
	Assume that OP0 contains the full field.  Simplify the memory offset
	calculation and containment check for volatile bitfields.  Make the
	offset explicit when volatile bitfields force a misaligned access.
	Remove WARNED and fix long lines.  Assert that the processed OP0
	has an integral mode.
	(store_split_bit_field): Update the call to store_fixed_bit_field.

2012-10-23  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (lowpart_bit_field_p): New function.
	(store_bit_field_1): Remove unit, offset, bitpos and byte_offset
	from the outermost scope.  Express conditions in terms of bitnum
	rather than offset, bitpos and byte_offset.  Split the plain move
	cases into two, one for memory accesses and one for register accesses.
	Allow simplify_gen_subreg to fail rather than calling validate_subreg.
	Move the handling of multiword OP0s after the code that coerces VALUE
	to an integer mode.  Use simplify_gen_subreg for this case and assert
	that it succeeds.  If the field still spans several words, pass it
	directly to store_split_bit_field.  Assume after that point that
	both sources and register targets fit within a word.  Replace
	x-prefixed variables with non-prefixed forms.  Compute the bitpos
	for insv register operands directly in the chosen unit size, rather
	than going through an intermediate BITS_PER_WORD unit size.
	Update the call to store_fixed_bit_field.
	(store_fixed_bit_field): Replace the bitpos and offset parameters
	with a single bitnum parameter, of the same form as store_bit_field.
	Assume that OP0 contains the full field.  Simplify the memory offset
	calculation.  Assert that the processed OP0 has an integral mode.
	(store_split_bit_field): Update the call to store_fixed_bit_field.

2012-10-23  Paul Koning  <ni1d@arrl.net>

	PR debug/54508
	* dwarf2out.c (prune_unused_types_prune): If pruning a class and
	not all its children were marked, add DW_AT_declaration flag.

2012-10-23  Ian Bolton  <ian.bolton@arm.com>
	    James Greenhalgh  <james.greenhalgh@arm.com>
	    Jim MacArthur  <jim.macarthur@arm.com>
	    Marcus Shawcroft  <marcus.shawcroft@arm.com>
	    Nigel Stephens  <nigel.stephens@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Richard Earnshaw  <rearnsha@arm.com>
	    Sofiane Naci  <sofiane.naci@arm.com>
	    Stephen Thomas  <stephen.thomas@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>
	    Yufeng Zhang  <yufeng.zhang@arm.com>

	* config.gcc: Add AArch64.
	* configure.ac: Add AArch64 TLS support detection.
	* configure: Regenerate.

2012-10-23  Ian Bolton  <ian.bolton@arm.com>
	    James Greenhalgh  <james.greenhalgh@arm.com>
	    Jim MacArthur  <jim.macarthur@arm.com>
	    Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
	    Marcus Shawcroft  <marcus.shawcroft@arm.com>
	    Nigel Stephens  <nigel.stephens@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Richard Earnshaw  <rearnsha@arm.com>
	    Sofiane Naci  <sofiane.naci@arm.com>
	    Stephen Thomas  <stephen.thomas@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>
	    Yufeng Zhang  <yufeng.zhang@arm.com>

	* doc/invoke.texi (AArch64 Options): New.
	* doc/md.texi (Machine Constraints): Add AArch64.

2012-10-23  Ian Bolton  <ian.bolton@arm.com>
	    James Greenhalgh  <james.greenhalgh@arm.com>
	    Jim MacArthur  <jim.macarthur@arm.com>
	    Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
	    Marcus Shawcroft  <marcus.shawcroft@arm.com>
	    Nigel Stephens  <nigel.stephens@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Richard Earnshaw  <rearnsha@arm.com>
	    Sofiane Naci  <sofiane.naci@arm.com>
	    Stephen Thomas  <stephen.thomas@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>
	    Yufeng Zhang  <yufeng.zhang@arm.com>

	* common/config/aarch64/aarch64-common.c: New file.
	* config/aarch64/aarch64-arches.def: New file.
	* config/aarch64/aarch64-builtins.c: New file.
	* config/aarch64/aarch64-cores.def: New file.
	* config/aarch64/aarch64-elf-raw.h: New file.
	* config/aarch64/aarch64-elf.h: New file.
	* config/aarch64/aarch64-generic.md: New file.
	* config/aarch64/aarch64-linux.h: New file.
	* config/aarch64/aarch64-modes.def: New file.
	* config/aarch64/aarch64-option-extensions.def: New file.
	* config/aarch64/aarch64-opts.h: New file.
	* config/aarch64/aarch64-protos.h: New file.
	* config/aarch64/aarch64-simd.md: New file.
	* config/aarch64/aarch64-tune.md: New file.
	* config/aarch64/aarch64.c: New file.
	* config/aarch64/aarch64.h: New file.
	* config/aarch64/aarch64.md: New file.
	* config/aarch64/aarch64.opt: New file.
	* config/aarch64/arm_neon.h: New file.
	* config/aarch64/constraints.md: New file.
	* config/aarch64/gentune.sh: New file.
	* config/aarch64/iterators.md: New file.
	* config/aarch64/large.md: New file.
	* config/aarch64/predicates.md: New file.
	* config/aarch64/small.md: New file.
	* config/aarch64/sync.md: New file.
	* config/aarch64/t-aarch64-linux: New file.
	* config/aarch64/t-aarch64: New file.

2012-10-23  Michael Matz  <matz@suse.de>

	* tree-ssa-operands.h (struct def_optype_d, def_optype_p): Remove.
	(ssa_operands.free_defs): Remove.
	(DEF_OP_PTR, DEF_OP): Remove.
	(struct ssa_operand_iterator_d): Remove 'defs', add 'flags' members,
	rename 'phi_stmt' to 'stmt', 'phi_i' to 'i' and 'num_phi' to 'numops'.
	* gimple.h (gimple_statement_with_ops.def_ops): Remove.
	(gimple_def_ops, gimple_set_def_ops): Remove.
	(gimple_vdef_op): Don't take const gimple, adjust.
	(gimple_asm_input_op, gimple_asm_input_op_ptr,
	gimple_asm_set_input_op, gimple_asm_output_op,
	gimple_asm_output_op_ptr, gimple_asm_set_output_op): Adjust asserts,
	and rewrite to move def operands to front.
	(gimple_asm_clobber_op, gimple_asm_set_clobber_op,
	gimple_asm_label_op, gimple_asm_set_label_op): Correct asserts.
	* tree-ssa-operands.c (build_defs): Remove.
	(init_ssa_operands): Don't initialize it.
	(fini_ssa_operands): Don't free it.
	(cleanup_build_arrays): Don't truncate it.
	(finalize_ssa_stmt_operands): Don't assert on it.
	(alloc_def, add_def_op, append_def): Remove.
	(finalize_ssa_defs): Remove building of def_ops list.
	(finalize_ssa_uses): Don't mark for SSA renaming here, ...
	(add_stmt_operand): ... but here, don't call append_def.
	(get_indirect_ref_operands): Remove recurse_on_base argument.
	(get_expr_operands): Adjust call to get_indirect_ref_operands.
	(verify_ssa_operands): Don't check def operands.
	(free_stmt_operands): Don't free def operands.
	* gimple.c (gimple_copy): Don't clear def operands.
	* tree-flow-inline.h (op_iter_next_use): Adjust to explicitely
	handle def operand.
	(op_iter_next_tree, op_iter_next_def): Ditto.
	(clear_and_done_ssa_iter): Clear new fields.
	(op_iter_init): Adjust to setup new iterator structure.
	(op_iter_init_phiuse): Adjust.

2012-10-23  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (offset_ok_for_ldrd_strd): Return false for Thumb1.

2012-10-23  Vladimir Makarov  <vmakarov@redhat.com>

	* dbxout.c (dbxout_symbol_location): Pass new argument to alter_subreg.
	* dwarf2out.c: Include ira.h and lra.h.
	(based_loc_descr, compute_frame_pointer_to_fb_displacement): Use
	lra_eliminate_regs for LRA instead of eliminate_regs.
	* expr.c (emit_move_insn_1): Pass an additional argument to
	emit_move_via_integer.  Use emit_move_via_integer for LRA only if
	the insn is recognized.
	* emit-rtl.c (gen_rtx_REG): Add lra_in_progress.
	(validate_subreg): Don't check offset for LRA and floating point modes.
	* final.c (final_scan_insn, cleanup_subreg_operands): Pass new
	argument to alter_subreg.
	(walk_alter_subreg, output_operand): Ditto.
	(alter_subreg): Add new argument.
	* gcse.c (calculate_bb_reg_pressure): Add parameter to
	ira_setup_eliminable_regset call.
	* ira.c: Include lra.h.
	(ira_init_once, ira_init, ira_finish_once): Call lra_start_once,
	lra_init, lra_finish_once in anyway.
	(ira_setup_eliminable_regset): Add parameter.  Remove need_fp.
	Call lra_init_elimination and mark HARD_FRAME_POINTER_REGNUM as
	living forever if frame_pointer_needed.
	(setup_reg_class_relations): Set up ira_reg_class_subset.
	(ira_reg_equiv_invariant_p, ira_reg_equiv_const): Remove.
	(find_reg_equiv_invariant_const): Ditto.
	(setup_reg_renumber): Use ira_equiv_no_lvalue_p instead of
	ira_reg_equiv_invariant_p.  Skip caps for LRA.
	(setup_reg_equiv_init, ira_update_equiv_info_by_shuffle_insn): New
	functions.
	(ira_reg_equiv_len, ira_reg_equiv): New externals.
	(ira_reg_equiv): New.
	(ira_expand_reg_equiv, init_reg_equiv, finish_reg_equiv): New
	functions.
	(no_equiv, update_equiv_regs): Use ira_reg_equiv instead of
	reg_equiv_init.
	(setup_reg_equiv): New function.
	(ira_use_lra_p): New global.
	(ira): Set up lra_simple_p and ira_conflicts_p.  Set up and
	restore flag_caller_saves and flag_ira_region.  Move
	initialization of ira_obstack and ira_bitmap_obstack upper.  Call
	init_reg_equiv, setup_reg_equiv, and setup_reg_equiv_init instead
	of initialization of ira_reg_equiv_len, ira_reg_equiv_invariant_p,
	and ira_reg_equiv_const.  Call ira_setup_eliminable_regset with a
	new argument.  Don't flatten IRA IRA for LRA.  Don't reassign
	conflict allocnos for LRA. Call finish_reg_equiv.
	(do_reload): Prepare code for LRA call.  Call LRA.
	* ira.h (ira_use_lra_p): New external.
	(struct target_ira): Add members x_ira_class_subset_p
	x_ira_reg_class_subset, and x_ira_reg_classes_intersect_p.
	(ira_class_subset_p, ira_reg_class_subset): New macros.
	(ira_reg_classes_intersect_p): New macro.
	(struct ira_reg_equiv): New.
	(ira_setup_eliminable_regset): Add an argument.
	(ira_expand_reg_equiv, ira_update_equiv_info_by_shuffle_insn): New
	prototypes.
	* ira-color.c (color_pass, move_spill_restore, coalesce_allocnos):
	Use ira_equiv_no_lvalue_p.
	(coalesce_spill_slots, ira_sort_regnos_for_alter_reg): Ditto.
	* ira-emit.c (ira_create_new_reg): Call ira_expand_reg_equiv.
	(generate_edge_moves, change_loop) Use ira_equiv_no_lvalue_p.
	(emit_move_list): Simplify code.  Call
	ira_update_equiv_info_by_shuffle_insn.  Use ira_reg_equiv instead
	of ira_reg_equiv_invariant_p and ira_reg_equiv_const.  Change assert.
	* ira-int.h (struct target_ira_int): Remove x_ira_class_subset_p
	and x_ira_reg_classes_intersect_p.
	(ira_class_subset_p, ira_reg_classes_intersect_p): Remove.
	(ira_reg_equiv_len, ira_reg_equiv_invariant_p): Ditto.
	(ira_reg_equiv_const): Ditto.
	(ira_equiv_no_lvalue_p): New function.
	* jump.c (true_regnum): Always use hard_regno for subreg_get_info
	when lra is in progress.
	* haifa-sched.c (sched_init): Pass new argument to
	ira_setup_eliminable_regset.
	* loop-invariant.c (calculate_loop_reg_pressure): Pass new
	argument to ira_setup_eliminable_regset.
	* lra.h: New.
	* lra-int.h: Ditto.
	* lra.c: Ditto.
	* lra-assigns.c: Ditto.
	* lra-constraints.c: Ditto.
	* lra-coalesce.c: Ditto.
	* lra-eliminations.c: Ditto.
	* lra-lives.c: Ditto.
	* lra-spills.c: Ditto.
	* Makefile.in (LRA_INT_H): New.
	(OBJS): Add lra.o, lra-assigns.o, lra-coalesce.o, lra-constraints.o,
	lra-eliminations.o, lra-lives.o, and lra-spills.o.
	(dwarf2out.o): Add dependence on ira.h and lra.h.
	(ira.o): Add dependence on lra.h.
	(lra.o, lra-assigns.o, lra-coalesce.o, lra-constraints.o): New entries.
	(lra-eliminations.o, lra-lives.o, lra-spills.o): Ditto.
	* output.h (alter_subreg): Add new argument.
	* rtlanal.c (simplify_subreg_regno): Permit mode changes for LRA.
	Permit ARG_POINTER_REGNUM and STACK_POINTER_REGNUM for LRA.
	* recog.c (general_operand, register_operand): Accept paradoxical
	FLOAT_MODE subregs for LRA.
	(scratch_operand): Accept pseudos for LRA.
	* rtl.h (lra_in_progress): New external.
	(debug_bb_n_slim, debug_bb_slim, print_value_slim): New prototypes.
	(debug_rtl_slim, debug_insn_slim): Ditto.
	* sdbout.c (sdbout_symbol): Pass new argument to alter_subreg.
	* sched-vis.c (print_value_slim): New.
	* target.def (lra_p): New hook.
	(register_priority): Ditto.
	(different_addr_displacement_p): Ditto.
	(spill_class): Ditto.
	* target-globals.h (this_target_lra_int): New external.
	(target_globals): New member lra_int.
	(restore_target_globals): Restore this_target_lra_int.
	* target-globals.c: Include lra-int.h.
	(default_target_globals): Add &default_target_lra_int.
	* targhooks.c (default_lra_p): New function.
	(default_register_priority): Ditto.
	(default_different_addr_displacement_p): Ditto.
	* targhooks.h (default_lra_p): Declare.
	(default_register_priority): Ditto.
	(default_different_addr_displacement_p): Ditto.
	* timevar.def (TV_LRA, TV_LRA_ELIMINATE, TV_LRA_INHERITANCE): New.
	(TV_LRA_CREATE_LIVE_RANGES, TV_LRA_ASSIGN, TV_LRA_COALESCE): New.
	* config/arm/arm.c (load_multiple_sequence): Pass new argument to
	alter_subreg.
	(store_multiple_sequence): Ditto.
	* config/i386/i386.h (enum ix86_tune_indices): Add
	X86_TUNE_GENERAL_REGS_SSE_SPILL.
	(TARGET_GENERAL_REGS_SSE_SPILL): New macro.
	* config/i386/i386.c (initial_ix86_tune_features): Set up
	X86_TUNE_GENERAL_REGS_SSE_SPILL for m_COREI7 and m_CORE2I7.
	(ix86_lra_p, ix86_register_priority): New functions.
	(ix86_secondary_reload): Add NON_Q_REGS, SIREG, DIREG.
	(inline_secondary_memory_needed): Change assert.
	(ix86_spill_class): New function.
	(TARGET_LRA_P, TARGET_REGISTER_BANK, TARGET_SPILL_CLASS): New macros.
	* config/m68k/m68k.c (emit_move_sequence): Pass new argument to
	alter_subreg.
	* config/m32r/m32r.c (gen_split_move_double): Ditto.
	* config/pa/pa.c (pa_emit_move_sequence): Ditto.
	* config/sh/sh.md: Ditto.
	* config/v850/v850.c (v850_reorg): Ditto.
	* config/xtensa/xtensa.c (fixup_subreg_mem): Ditto.
	* doc/md.texi: Add new interpretation of hint * for LRA.
	* doc/passes.texi: Describe LRA pass.
	* doc/tm.texi.in: Add TARGET_LRA_P, TARGET_REGISTER_PRIORITY,
	TARGET_DIFFERENT_ADDR_DISPLACEMENT_P, and TARGET_SPILL_CLASS.
	* doc/tm.texi: Update.

2012-10-23  Jan Hubicka  <jh@suse.cz>

	* loop-unroll.c (decide_peel_simple): Simple peeling makes sense even
	with simple loops; bound number of branches only when FDO is not
	available.
	(decide_unroll_stupid): Mention that num_loop_branches heuristics
	is off.

2012-10-23  Nick Clifton  <nickc@redhat.com>

	PR target/54660
	* config/iq2000/iq2000.c (iq2000_function_arg_advance): Suppress
	compile time warning about pointer printing.

2012-10-23  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
	*-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu): Use
	glibc-c.o in c_target_objs and cxx_target_objs.  Use t-glibc in
	tmake_file.  Set target_has_targetcm.
	(tilegx-*-linux*, tilepro-*-linux*): Append to c_target_objs and
	cxx_target_objs rather than overriding previous value.
	* config/glibc-c.c, config/t-glibc: New.
	* doc/tm.texi.in (TARGET_C_PREINCLUDE): New @hook.
	* doc/tm.texi: Regenerate.
	* hooks.c (hook_constcharptr_void_null): New.
	* hooks.h (hook_constcharptr_void_null): Declare.

2012-10-23  Eric Botcazou  <ebotcazou@adacore.com>

	* config/mips/linux-common.h (STACK_CHECK_STATIC_BUILTIN): Define.
	(STACK_CHECK_PROTECT): Likewise.
	* config/mips/mips.h (MIPS_PROLOGUE_TEMP2_REGNUM): Likewise.
	(MIPS_PROLOGUE_TEMP2): Likewise.
	* config/mips/mips-protos.h (mips_output_probe_stack_range): Declare.
	* config/mips/mips.c: Include common/common-target.h.
	(mips_emit_probe_stack_range): New function.
	(mips_output_probe_stack_range): Likewise.
	(mips_expand_prologue): Invoke mips_emit_probe_stack_range if static
	builtin stack checking is enabled.
	* config/mips/mips.md (UNSPEC_PROBE_STACK_RANGE): New constant.
	(probe_stack_range_<P:mode>): New insn.

2012-10-23  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c (forward_propagate_into_cond): Handle vectors.
	* fold-const.c (fold_relational_const): Handle VECTOR_CST.
	* doc/generic.texi (VEC_COND_EXPR): Document current policy.

2012-10-23  Jan Hubicka  <jh@suse.cz>

	PR middle-end/54937
	* tree-ssa-loop-niter.c (record_estimate): Do not try to lower
	the bound of non-is_exit statements.
	(maybe_lower_iteration_bound): Do it here.
	(estimate_numbers_of_iterations_loop): Call it.

2012-10-23  Jan Hubicka  <jh@suse.cz>

	PR middle-end/54967
	* cfgloopmanip.c (fix_bb_placements): Add loop_closed_ssa_invalidated;
	track basic blocks that moved out of their loops.
	(unloop): Likewise.
	(remove_path): Update.
	(fix_loop_placements): Update.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Add
	loop_closed_ssa_invalidated parameter; pass it around.
	(canonicalize_loop_induction_variables): Update loop closed
	SSA form if needed.
	(tree_unroll_loops_completely): Likewise; do irred update out of
	the outer loop; verify that SSA form is closed.
	* cfgloop.h (unrloop): Update.

2012-10-23  Terry Guo  <terry.guo@arm.com>

	PR target/55019
	* config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
	live argument regs.

2012-10-23  Hans-Peter Nilsson  <hp@bitrange.com>

	PR middle-end/55030
	Revert:
	* stmt.c (expand_nl_goto_receiver): Remove almost-copy of
	expand_builtin_setjmp_receiver.
	(expand_label): Adjust, call expand_builtin_setjmp_receiver
	with NULL for the label parameter.
	* builtins.c (expand_builtin_setjmp_receiver): Don't clobber
	the frame-pointer.  Adjust comments.
	[HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
	only if LABEL is non-NULL.

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55008
	* gimple-ssa-strength-reduction.c (find_basis_for_candidate):
	Don't allow a candidate to be a basis for itself under another
	interpretation.

2012-10-22  Sharad Singhai  <singhai@google.com>

	* dumpfile.c (dump_phase_enabled_p): Renamed dump_enabled_p. Update
	all callers.
	(dump_enabled_p): A new function to check if any of the dump files
	is available.
	(dump_kind_p): Remove check for current_function_decl. Add check for
	dumpfile and alt_dump_file.
	* dumpfile.h: Add declaration of dump_enabled_p.

2012-10-22  Richard Biener  <rguenther@suse.de>

	PR lto/55021
	* tree-streamer-in.c (unpack_ts_int_cst_value_fields): Remove
	bogus truncations.

2012-10-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (memory_address_length): Assert that non-null
	base or index RTXes are registers.  Do not check for REG RTXes.
	Determine addr32 prefix using SImode_address_operand or
	from original base and index RTXes.  Simplify code.

2012-10-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55011
	* tree-vrp.c (update_value_range): For invalid lattice transitions
	drop to VARYING.

2012-10-22  Julian Brown  <julian@codesourcery.com>

	* config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
	VFP D registers in big-endian mode.

2012-10-22  Georg-Johann Lay  <avr@gjlay.de>

	* doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
	Note __AVR_<device>__ is not defined for cores.
	Don't point to --help=target.

2012-10-22  Sameera Deshpande  <sameera.deshpande@arm.com>
	    Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (thumb2_emit_ldrd_pop): New function.
	(arm_expand_epilogue): Use the new function.

2012-10-22  Sameera Deshpande  <sameera.deshpande@arm.com>
	    Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (thumb2_emit_strd_push): New function.
	(arm_expand_prologue): Use the new function.

2012-10-22  Sameera Deshpande  <sameera.deshpande@arm.com>
	    Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm-protos.h (offset_ok_for_ldrd_strd): New declaration.
	(operands_ok_ldrd_strd): Likewise.
	* config/arm/arm.c (offset_ok_for_ldrd_strd): New function.
	(operands_ok_ldrd_strd): Likewise.
	* config/arm/arm.md (thumb2_ldrd, thumb2_ldrd_base): New patterns.
	(thumb2_ldrd_base_neg): Likewise.
	(thumb2_strd, thumb2_strd_base, thumb_strd_base_neg): Likewise.
	* predicates.md (ldrd_strd_offset_operand): New predicate.
	* config/arm/constraints.md (Do): New constraint.

2012-10-22  Hans-Peter Nilsson  <hp@bitrange.com>

	* config/mmix/mmix.md ("nonlocal_goto_receiver"): Refer to the
	frame-pointer as an operand.
	("*nonlocal_goto_receiver_expanded"): Ditto.  Use
	mmix_output_register_setting instead of naked output_asm_insn for
	the offset from the frame-pointer to the saved rO.
	* config/mmix/mmix.c (mmix_output_register_setting): Emit NEGU for
	values -255..0.
	* config/mmix/predicates.md ("frame_pointer_operand"): New.
	* config/mmix/constraints.md ("Yf"): New.

	* stmt.c (expand_nl_goto_receiver): Remove almost-copy of
	expand_builtin_setjmp_receiver.
	(expand_label): Adjust, call expand_builtin_setjmp_receiver
	with NULL for the label parameter.
	* builtins.c (expand_builtin_setjmp_receiver): Don't clobber
	the frame-pointer.  Adjust comments.
	[HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
	only if LABEL is non-NULL.

2012-10-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386-protos.h (memory_address_length): Add new bool
	argument.  Update all uses.
	* config/i386/i386.c (memory_address_length): If not LEA insn, then
	add length of addr32 prefix based on mode of base or index register.
	(ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
	addresses here.  Update call to memory_address_length.
	(ix86_print_address_operand): Use SImode_address_operand predicate.
	* config/i386/predicates.md (SImode_address_operand): New.
	* config/i386/i386.md (lea<mode>): Use SImode_address_operand
	to calculate "mode" attribute.  Use SImode_address_operand predicate
	instead of open-coding accepted RTX codes.

2012-10-21  Joern Rennecke  <joern.rennecke@embecosm.com>

	* rtl.def (ADDR_DIFF_VEC): Fix comment typo.

2012-10-21  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/44194
	* calls.c (expand_call): Allow sibling calls in the PARALLEL case.

2012-10-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54725
	* Makefile.in (TARGET_SYSTEM_ROOT_DEFINE): New.

2012-10-21  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/xtensa/xtensa.c (xtensa_expand_builtin): Remove unused 'arg'
	variable.

2012-10-20  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/54315
	* calls.c (expand_call): Don't deal specifically with BLKmode values
	returned in naked registers.
	* expr.h (copy_blkmode_from_reg): Adjust prototype.
	* expr.c (copy_blkmode_from_reg): Rename first parameter into
	TARGET and make it required.  Assert that SRCREG hasn't BLKmode.
	Add a couple of short-circuits for common cases and be prepared
	for sub-word registers.
	(expand_assignment): Call copy_blkmode_from_reg for BLKmode values
	returned in naked registers.
	(store_expr): Likewise.
	(store_field): Likewise.

2012-10-20  Jan Hubicka  <jh@suse.cz>

	* loop-unroll.c (decide_unroll_constant_iterations): Don't
	perform unrolling for loops with low iterations bounds or estimates.

2012-10-20  Jan Hubicka  <jh@suse.cz>

	* loop-iv.c (iv_number_of_iterations): Record the upper bound
	only if there are no further conditions on it.

2012-10-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	PR c/40989
	* opts.c (finish_options): Remove explicit handling from here.

2012-10-20  Joern Rennecke  <joern.rennecke@embecosm.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	* emit-rtl.c (copy_delay_slot_insn): New function.
	* emit-rtl.h (copy_delay_slot_insn): Declare.
	* reorg.c: Include "emit-rtl.h".
	(steal_delay_list_from_target): Use copy_delay_slot_insn.
	(fill_slots_from_thread, fill_simple_delay_slots): Likewise.

	* final.c (shorten_branches): When optimizing, start with small
	length and increase from there, and don't decrease lengths.

2012-10-19  Jan Hubicka  <jh@suse.cz>

	* builtins.def (BUILT_IN_UNREACHABLE): Make
	ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST.
	* builtin-attrs.def (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST): Define.

2012-10-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Dominique Dhumieres  <dominiq@lps.ens.fr>

	* config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Don't assume
	OPTION_MASK_STRICT_ALIGN is defined.
	(MASK_STRICT_ALIGN): If OPTION_MASK_STRICT_ALIGN is not defined,
	define this to 0 for the 3 ports that use it.

	* config/rs6000/rs6000.c (OPTION_MASK_STRICT_ALIGN): Don't do
	check for ports not having -mstrict-align here, move test to
	rs6000-cpus.def.
	(MASK_STRICT_ALIGN): Likewise.
	(rs6000_debug_reg_global): Print out correct target flag words if
	-mdebug=reg.

2012-10-19  Marek Polacek  <polacek@redhat.com>

	PR middle-end/54945
	* fold-const.c (fold_sign_changed_comparison):  Punt if folding
	pointer/non-pointer comparison.

2012-10-19  Greta Yorsh  <Greta.Yorsh@arm.com>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	new effective target keyword arm_prefer_ldrd_strd.

2012-10-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54981
	* tree-loop-distribution.c (ssa_name_has_uses_outside_loop_p):
	Do not consider debug stmts as uses.

2012-10-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54976
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
	Robustify against odd inner_mode inputs.

2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>

	PR target/54892
	* config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
	sure the mode is correct when falling through from above cases.

2012-10-19  Bin Cheng  <bin.cheng@arm.com>

	* common.opt (flag_ira_hoist_pressure): New.
	* doc/invoke.texi (-fira-hoist-pressure): Describe.
	* ira-costs.c (ira_set_pseudo_classes): New parameter.
	* ira.h: Update copyright dates.
	(ira_set_pseudo_classes): Update prototype.
	* haifa-sched.c (sched_init): Update call.
	* ira.c (ira): Update call.
	* regmove.c: Update copyright dates.
	(regmove_optimize): Update call.
	* loop-invariant.c: Update copyright dates.
	(move_loop_invariants): Update call.
	* gcse.c: (struct bb_data): New structure.
	(BB_DATA): New macro.
	(curr_bb, curr_reg_pressure): New static variables.
	(should_hoist_expr_to_dom): Rename from hoist_expr_reaches_here_p.
	Change parameter expr_index to expr.
	New parameters pressure_class, nregs and hoisted_bbs.
	Use reg pressure to determine the distance expr can be hoisted.
	(hoist_code): Use reg pressure to direct the hoist process.
	(get_regno_pressure_class, get_pressure_class_and_nregs)
	(change_pressure, calculate_bb_reg_pressure): New.
	(one_code_hoisting_pass): Calculate register pressure. Allocate
	and free data.

2012-10-19  Bin Cheng  <bin.cheng@arm.com>

	* gcse.c: Update copyright dates.
	(hoist_expr_reaches_here_p): Change parameter type from char *
	to sbitmap.

2012-10-19  Sebastian Huber <sebastian.huber@embedded-brains.de>

	* config.gcc
	(arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename
	"arm*-*-rtemseabi*" to "arm*-*-rtems*".

2012-10-19  Alan Modra  <amodra@gmail.com>

	* configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
	(HAVE_LD_LARGE_TOC): Likewise.
	* configure: Regenerate.

2012-10-19  Alan Modra  <amodra@gmail.com>

	* config/rs6000/predicates.md (splat_input_operand): Don't call
	input_operand for MEMs.  Instead check for volatile and call
	memory_address_addr_space_p with modified mode.

2012-10-18  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (rdpmc): Remove expander.
	(rdtsc): Ditto.
	(rdtscp): Ditto.
	(rdpmc): Rename from *rdpmc.
	(rdpmc_rex64): Rename from *rdpmc_rex64.
	(rdtsc): Rename from *rdtsc.
	(rdtsc_rex64): Rename from *rdtsc_rex64.
	(rdtscp): Rename from *rdtscp.
	(rdtscp_rex64): Rename from *rdtscp_rex64.

	* config/i386/i386.c (struct builtin_description bdesc_special_args)
	<IX86_BUILTIN_RDTSC>: Use CODE_FOR_NOTHING.
	<IX86_BUILTIN_RDTSCP>: Ditto.
	(struct builtin_description bdesc__args) <IX86_BUILTIN_RDPMC>: Ditto.
	(ix86_expand_builtin) <IX86_BUILTIN_{RDPMC,RDTSC,RDTSCP}>: Handle here.

2012-10-18  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

	* config/sh/sh.c: Fix comment to silence warning.

2012-10-18  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Sameera Deshpande  <sameera.deshpande@arm.com>

	* config/arm/cortex-a15-neon.md: New file.
	* config/arm/cortex-a15.md (cortex_a15_call): Adjust reservation.
	(cortex_a15_load1): Likewise.
	(cortex_a15_load3): Likewise.
	(cortex_a15_store1): Likewise.
	(cortex_a15_store3): Likewise.
	(cortex-a15-neon.md): Include.

2012-10-18  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/altivec.md (altivec_lvsl, altivec_lvsr): Add mode.
	(altivec_vsumsws_nomode): Delete.
	(reduc_splus_<mode>, reduc_uplus_<mode>): Call gen_altivec_vsumsws
	instead of gen_altivec_vsumsws_nomode.
	(altivec_lvlx, altivec_lvlxl, altivec_lvrx, altivec_lvrxl): Add mode.
	* config/rs6000/rs6000.md (probe_stack): Rename to...
	(probe_stack_<mode>): ... this.  Add mode.  Change pattern to
	use std instead of stw when appropriate.
	(probe_stack): New expander.
	(move_from_CR_ov_bit): Add mode.
	(splitter for compare_plus_ne0_<mode>, splitter for
	compare_plus_ne0_<mode>_1): Remove constraints.
	* config/rs6000/sync.md (loadsync): Rename to...
	(loadsync_<mode>): ... this.  Add mode.
	(atomic_load<mode>): Adjust.

2012-10-18  Eric Botcazou  <ebotcazou@adacore.com>

	* loop-invariant.c: Include target.h.
	(check_dependency): Return false for an uninitialized argument register
	that is likely to be spilled.
	* Makefile.in (loop-invariant.o): Add $(TARGET_H).

2012-10-18  Eric Botcazou  <ebotcazou@adacore.com>

	* except.c (sjlj_emit_function_enter): Remove unused variable.

2012-10-18  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (neon_builtin_data): Add vfma and vfms builtins.
	* config/arm/neon-docgen.ml (intrinsic_groups): Add
	fused-multiply-* groups.
	* config/neon-gen.ml (print_feature_test_start): New function.
	(print_feature_test_end): Likewise.
	(print_variant): Print feature test macros.
	* config/arm/neon-testgen.ml (emit_prologue): Allow different
	tests to require different effective targets.
	(effective_target): New function.
	(test_intrinsic): Specify correct effective targets.
	* config/arm/neon.md (fma<VCVTF:mode>4_intrinsic): New pattern.
	(fmsub<VCVTF:mode>4_intrinsic): Likewise.
	(neon_vfma<VCVFT:mode>): New expand.
	(neon_vfms<VCVFT:mode>): Likewise.
	* config/neon.ml (opcode): Add Vfma and Vfms.
	(features): Add Requires_feature.
	(ops): Add VFMA and VFMS intrinsics.
	* config/arm/arm_neon.h: Regenerate.
	* doc/arm-neon-intrinsics.texi: Likewise.

2012-10-18  Richard Guenther  <rguenther@suse.de>

	* lto-streamer.h (enum LTO_tags): Add LTO_integer_cst.
	* lto-streamer-in.c (lto_input_tree): Use it.
	* lto-streamer-out.c (lto_output_tree): Likewise, for
	!TREE_OVERFLOW integer constants only.
	* tree-streamer-in.c (unpack_ts_int_cst_value_fields): New function.
	(unpack_value_fields): Call it.
	(streamer_read_integer_cst): Simplify.
	* tree-streamer-out.c (pack_ts_int_cst_value_fields): New function.
	(streamer_pack_tree_bitfields): Call it.
	(streamer_write_integer_cst): Adjust.

2012-10-18  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config.gcc: Add support for ARMv8 for arm*-*-* targets.
	* config/arm/arm-arches.def: Add armv8-a
	* config/arm/arm-fpus.def: Add fp-armv8, neon-fp-armv8,
	crypto-neon-fp-armv8.  Add crypto field.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm.c (FL_FOR_ARCH8A): Likewise.
	(arm_arch8): New global variable.
	(ARM_FPU): Add crypto parameter.
	(arm_option_override): Set arm_arch8, update comments.
	* config/arm/arm.h (TARGET_CRYPTO): New macro.
	(arm_fpu_desc): Add crypto field.
	(base_architecture): Add ARMv8 entry.
	(arm_arch8): New variable declaration.
	* config/arm/bpabi.h: ARMv8 supports BE8.
	* doc/invoke.texi: Document ARMv8 options.

2012-10-17  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/54893
	* trans-mem.c (diagnose_tm_1_op): Allow volatiles inside relaxed
	transactions.

2012-10-17  Aldy Hernandez  <aldyh@redhat.com>

	PR rtl-optimization/54900
	* ifcvt.c (noce_can_store_speculate_p): Call
	memory_must_be_modified_in_insn_p.
	* alias.c (memory_must_be_modified_in_insn_p): New.
	(set_dest_equal_p): New.
	* rtl.h (memory_must_be_modified_in_p): Protoize.

2012-10-17  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.opt (rs6000_isa_flags): New flag word to
	replace target_flags that gives us 63 possible switches.
	(x_rs6000_isa_flags): Save area for rs6000_isa_flags.
	(x_rs6000_isa_flags_explicit): Save area for rs6000_isa_flags_explicit.
	(rs6000_target_flags_explicit): Delete in favor of
	x_rs6000_isa_flags_explicit.
	(-mpowerpc64): Change all switches that used to be in target_flags
	to now be in rs6000_isa_flags.  In using rs6000_isa_flags, the
	options machinary will generate names of the form OPITON_<xxx>
	instead of TARGET_<xxx> and OPTION_MASK_<xxx> instead of MASK_<xxx>.
	(-mpowerpc-gpopt): Likewise.
	(-mpowerpc-gfxopt): Likewise.
	(-mmfcrf): Likewise.
	(-mpopcntb): Likewise.
	(-mfprnd): Likewise.
	(-mcmpb): Likewise.
	(-mmfpgpr): Likewise.
	(-maltivec): Likewise.
	(-mhard-dfp): Likewise.
	(-mmulhw): Likewise.
	(-mdlmzb): Likewise.
	(-mmultiple): Likewise.
	(-mstring): Likewise.
	(-msoft-float): Likewise.
	(-mhard-float): Likewise.
	(-mpopcntd): Likewise.
	(-mvsx): Likewise.
	(-mno-update): Likewise.
	(-mupdate): Likewise.
	(-mrecip-precision): Likewise.
	(-mminimal-toc): Likewise.
	(-misel): Likewise.
	* config/rs6000/aix64.opt (-maix64): Likewise.
	(-maix32): Likewise.
	* config/rs6000/sysv4.opt (-mstrict-align): Likewise.
	(-mrelocatable): Likewise.
	(-mlittle-endian): Likewise.
	(-mlittle): Likewise.
	(-mbig-endian): LIkewise.
	(-mbig): Likewise.
	(-meabi): Likewise.
	(-m64): Likewise.
	(-m32): Likewise.
	* config/rs6000/darwin.opt (-m64): Likewise.
	(-m32): Likewise.

	* config/rs6000/rs6000-cpus.def (ISA_2_1_MASKS): Move the various
	masks used in rs6000.c here, since they are more logically in this
	file.  Convert from being enums to just #defines, since the types
	of these masks is now HOST_WIDE_INT instead of int.  For
	POWERPC_MASKS, add MASK_SOFT_FLOAT, since the only use case or'ed
	in the mask.  Change the use in rs6000.c not to do the OR of
	MASK_SOFT_FLOAT.
	(ISA_2_1_MASKS): Likewise.
	(ISA_2_2_MASKS): Likewise.
	(ISA_2_4_MASKS): Likewise.
	(ISA_2_5_MASKS_EMBEDDED): Likewise.
	(ISA_2_5_MASKS_SERVER): Likewise.
	(POWERPC_7400_MASK): Likewise.
	(POWERPC_MASKS): Likewise.
	* config/rs6000/rs6000.c (ISA_2_1_MASKS): Likewise.
	(ISA_2_1_MASKS): Likewise.
	(ISA_2_2_MASKS): Likewise.
	(ISA_2_4_MASKS): Likewise.
	(ISA_2_5_MASKS_EMBEDDED): Likewise.
	(ISA_2_5_MASKS_SERVER): Likewise.
	(POWERPC_7400_MASK): Likewise.
	(POWERPC_MASKS): Likewise.
	(rs6000_option_override_internal): Likewise.

	* config/rs6000/rs6000.c (darwin_rs6000_override_options): Change
	all uses of target_flags to rs6000_isa_flags.  Change all uses of
	target_flags_explicit to rs6000_isa_flags_explicit.  Change the
	use of MASK_<xxx> to OPTION_MASK_<xxx> that options.h defines when
	we use a secondary flags word.  Save/restore/print the new flags
	word when switching contexts with different target attributes.
	(rs6000_option_override_internal): Likewise.
	(rs6000_darwin_file_start): Likewise.
	(rs6000_opt_masks): Likewise.
	(rs6000_inner_target_options): Likewise.
	(rs6000_pragma_target_parse): Likewise.
	(rs6000_set_current_function): Likewise.
	(rs6000_function_specific_save): Likewise.
	(rs6000_function_specific_restore): Likewise.
	(rs6000_function_specific_print): Likewise.
	(rs6000_can_inline_p): Likewise.
	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Likewise.
	(rs6000_cpu_cpp_builtins): Likewise.
	* common/config/rs6000/rs6000-driver.c (rs6000_handle_option):
	Likewise.

	* config/rs6000/rs6000.h (MASK_ALTIVEC): In moving to using
	Var(...) for all of the isa switches, the options machinery now
	uses OPTION_MASK_<xxx> instead of MASK_<xxx> for the mask name.
	Use #define to map the old name into the new name.  For switches
	that are defined in aix64.opt, sysv4.opt, and darwin.opt, only do
	the definition if those switches were defined.
	(MASK_ALTIVEC): Likewise.
	(MASK_CMPB): Likewise.
	(MASK_DFP): Likewise.
	(MASK_DLMZB): Likewise.
	(MASK_EABI): Likewise.
	(MASK_FPRND): Likewise.
	(MASK_HARD_FLOAT): Likewise.
	(MASK_ISEL): Likewise.
	(MASK_MFCRF): Likewise.
	(MASK_MFPGPR): Likewise.
	(MASK_MULHW): Likewise.
	(MASK_MULTIPLE): Likewise.
	(MASK_NO_UPDATE): Likewise.
	(MASK_POPCNTB): Likewise.
	(MASK_POPCNTD): Likewise.
	(MASK_PPC_GFXOPT): Likewise.
	(MASK_PPC_GPOPT): Likewise.
	(MASK_RECIP_PRECISION): Likewise.
	(MASK_SOFT_FLOAT): Likewise.
	(MASK_STRICT_ALIGN): Likewise.
	(MASK_STRING): Likewise.
	(MASK_UPDATE): Likewise.
	(MASK_VSX): Likewise.
	(MASK_POWERPC64): Likewise.
	(MASK_64BIT): Likewise.
	(MASK_RELOCATABLE): Likewise.
	(MASK_LITTLE_ENDIAN): Likewise.
	(MASK_MINIMAL_TOC): Likewise.
	(MASK_REGNAMES): Likewise.
	(MASK_PROTOTYPE): Likewise.
	(rs6000_isa_flags_explicit): Define in terms of the
	global_options_set structure.

	* config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS):
	Change use of target_flags to rs6000_isa_flags, target_flags_explicit
	to rs6000_isa_flags_explicit, and MASK_<xxx> to OPTION_MASK_<xxx>.
	* config/rs6000/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	* config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	* config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	* config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	* config/rs6000/freebsd64.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
	(SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
	* config/rs6000/freebsd.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
	* config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
	(SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
	(OPTION_LITTLE_ENDIAN): Likewise.
	(OPTION_RELOCATABLE): Likewise.
	(OPTION_EABI): Likewise.
	(OPTION_PROTOTYPE): Likewise.
	* config/rs6000/linux.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
	* config/rs6000/option-defaults.h (OPTION_MASK_64BIT): Likewise.
	(OPT_ARCH32): Likewise.
	(OPT_ARCH64): Likewise.
	* config/rs6000/sysv4.h (TARGET_TOC): Likewise.
	(SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	(SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
	(TARGET_OS_SYSV_CPP_BUILTINS): Likewise.

	* config/rs6000/t-rs6000 (rs6000.o): Add rs6000-cpus.def as a
	dependency.

2012-10-17  Jan Hubicka  <jh@suse.cz>

	* cfgloopmanip.c (copy_loop_info): New function.
	(duplicate_loop): Use it.
	(loop_version): Use it.
	* loop-unswitch.c (unswitch_loop): Use it.
	* cfgloop.h (copy_loop_info): Declare.

2012-10-17  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Add edge_to_cancel
	parameter and use it to estimate code optimized out in the final
	iteration.
	(loop_edge_to_cancel): New function.
	(try_unroll_loop_completely): New IRRED_IVALIDATED parameter;
	handle unrolling loops with bounds given via max_loop_iteratins;
	handle unrolling non-inner loops when code size shrinks;
	tidy dump output; when the last iteration loop still stays
	as loop in the CFG forcongly redirect the latch to
	__builtin_unreachable.
	(canonicalize_loop_induction_variables): Add irred_invlaidated
	parameter; record niter bound derrived; dump
	max_loop_iterations bounds; call try_unroll_loop_completely
	even if no niter bound is given.
	(canonicalize_induction_variables): Handle irred_invalidated.
	(tree_unroll_loops_completely): Handle non-innermost loops;
	handle irred_invalidated.
	* cfgloop.h (unlop): Declare.
	* cfgloopmanip.c (unloop): Export.
	* tree.c (build_common_builtin_nodes): Build BULTIN_UNREACHABLE.

2012-10-17  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* opth-gen.awk (TARGET_* generation): Always generate TARGET_<xxx>
	for Mask options, whether they use Var(...) or not.

	* config/linux-android.h (ANDROID_TARGET_OS_CPP_BUILTINS): Use
	TARGET_<xxx> instead of OPTION_<xxx>.
	* config/i386/i386.h (TARGET_64BIT): Likewise.
	(TARGET_MMX): Likewise.
	(TARGET_3DNOW): Likewise.
	(TARGET_3DNOW_A): Likewise.
	(TARGET_SSE): Likewise.
	(TARGET_SSE2): Likewise.
	(TARGET_SSE3): Likewise.
	(TARGET_SSSE3): Likewise.
	(TARGET_SSE4_1): Likewise.
	(TARGET_SSE4_2): Likewise.
	(TARGET_AVX): Likewise.
	(TARGET_AVX2): Likewise.
	(TARGET_FMA): Likewise.
	(TARGET_SSE4A): Likewise.
	(TARGET_FMA4): Likewise.
	(TARGET_XOP): Likewise.
	(TARGET_LWP): Likewise.
	(TARGET_ROUND): Likewise.
	(TARGET_ABM): Likewise.
	(TARGET_BMI): Likewise.
	(TARGET_BMI2): Likewise.
	(TARGET_LZCNT): Likewise.
	(TARGET_TBM): Likewise.
	(TARGET_POPCNT): Likewise.
	(TARGET_SAHF): Likewise.
	(TARGET_MOVBE): Likewise.
	(TARGET_CRC32): Likewise.
	(TARGET_AES): Likewise.
	(TARGET_PCLMUL): Likewise.
	(TARGET_CMPXCHG16B): Likewise.
	(TARGET_FSGSBASE): Likewise.
	(TARGET_RDRND): Likewise.
	(TARGET_F16C): Likewise.
	(TARGET_RTM): Likewise.
	(TARGET_HLE): Likewise.
	(TARGET_RDSEED): Likewise.
	(TARGET_PRFCHW): Likewise.
	(TARGET_ADX): Likewise.
	(TARGET_64BIT): Likewise.
	(TARGET_MMX): Likewise.
	(TARGET_3DNOW): Likewise.
	(TARGET_3DNOW_A): Likewise.
	(TARGET_SSE): Likewise.
	(TARGET_SSE2): Likewise.
	(TARGET_SSE3): Likewise.
	(TARGET_SSSE3): Likewise.
	(TARGET_SSE4_1): Likewise.
	(TARGET_SSE4_2): Likewise.
	(TARGET_AVX): Likewise.
	(TARGET_AVX2): Likewise.
	(TARGET_FMA): Likewise.
	(TARGET_SSE4A): Likewise.
	(TARGET_FMA4): Likewise.
	(TARGET_XOP): Likewise.
	(TARGET_LWP): Likewise.
	(TARGET_ROUND): Likewise.
	(TARGET_ABM): Likewise.
	(TARGET_BMI): Likewise.
	(TARGET_BMI2): Likewise.
	(TARGET_LZCNT): Likewise.
	(TARGET_TBM): Likewise.
	(TARGET_POPCNT): Likewise.
	(TARGET_SAHF): Likewise.
	(TARGET_MOVBE): Likewise.
	(TARGET_CRC32): Likewise.
	(TARGET_AES): Likewise.
	(TARGET_PCLMUL): Likewise.
	(TARGET_CMPXCHG16B): Likewise.
	(TARGET_FSGSBASE): Likewise.
	(TARGET_RDRND): Likewise.
	(TARGET_F16C): Likewise.
	(TARGET_RTM): Likewise.
	(TARGET_HLE): Likewise.
	(TARGET_RDSEED): Likewise.
	(TARGET_PRFCHW): Likewise.
	(TARGET_ADX): Likewise.
	(TARGET_LP64): Likewise.
	(TARGET_X32): Likewise.
	(TARGET_ISA_ROUND): Likewise.
	* config/i386/darwin.h (TARGET_64BIT): Likewise.

	* doc/options.texi (Mask): Update documentation to specify only
	TARGET_<xxx> is generated.

2012-10-17  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (UNSPEC_PROLOGUE_USE): Rename this...
	(UNSPEC_REGISTER_USE): ... to this.
	(prologue_use): Rename this...
	  (force_register_use): ... to this and update output assembly.
	(epilogue) Rename gen_prologue_use to gen_force_register_use.
	* config/arm/arm.c (arm_expand_prologue): Likewise.
	(thumb1_expand_epilogue): Likewise.
	(arm_expand_epilogue): Likewise.
	(arm_expand_epilogue): Likewise.

2012-10-17  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-arch.h (avr_extra_arch_macro): Remove prototype.
	* config/avr/avr.c (avr_extra_arch_macro): Remove variable.
	(avr_option_override): Remove setting of avr_extra_arch_macro.
	* config/avr/avr-c.c (avr_extra_arch_macro): Replace with
	avr_current_device->macro.

2012-10-17  Richard Biener  <rguenther@suse.de>

	* tree-streamer-out.c (write_ts_decl_common_tree_pointers):
	Do not write TREE_CHAIN of PARM_DECLs.
	(write_ts_decl_non_common_tree_pointers): Instead stream
	the DECL_ARGUMENTS chain.
	* tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
	Do not read TREE_CHAIN of PARM_DECLs.
	(lto_input_ts_decl_non_common_tree_pointes): Instead read
	the DECL_ARGUMENTS as chain.

2012-10-17  Steven Bosscher  <steven@gcc.gnu.org>

	* config/iq2000/iq2000.h (call_used_regs): Remove definition.

2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/54870
	* tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
	* cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
	SSA_NAME pointer that points to a partition if there is at least
	one variable with it set in the partition.
	* dse.c (local_variable_can_escape): New predicate.
	(can_escape): Call it.
	* gimplify.c (mark_addressable): If this is a partitioned decl, also
	mark the SSA_NAME pointer that points to a partition.

2012-10-16  Steven Bosscher  <steven@gcc.gnu.org>

	* df-problems.c (df_kill_notes): Split up in two functions.
	(df_remove_dead_and_unused_notes): New function, first half of
	df_kill notes to remove all REG_DEAD and REG_UNUSED notes.
	(df_remove_dead_eq_notes): New function, second half of df_kill_notes
	to remove REG_EQUAL and REG_EQUIV notes referring to dead registers.
	(df_note_bb_compute): Call df_remove_dead_and_unused_notes instead
	of df_kill_notes.  Call df_remove_dead_eq_notes after processing insn.

	* web.c (web): Re-add DF_RD_PRUNE_DEAD_DEFS;

2012-10-16  Ian Lance Taylor  <iant@google.com>

	* doc/extend.texi (Return Address): Change
	__builtin_extract_return_address to
	__builtin_extract_return_addr.

2012-10-16  Steven Bosscher  <steven@gcc.gnu.org>

	* rtl.h (get_call_rtx_from): New prototype.
	* rtlanal.c (get_call_rtx_from): New function.
	* calls.c (emit_call_1): Use it.
	* dse.c (scan_insn): Likewise
	* dwarf2out.c (dwarf2out_var_location): Likewise.
	* sched-deps.c (call_may_noreturn_p): Likewise.
	* var-tracking.c (prepare_call_arguments): Likewise.
	* config/sh/sh.c (sh_adjust_cost): Likewise.

2012-10-16  Tom de Vries  <tom@codesourcery.com>

	* expr.c (move_by_pieces, move_by_pieces_ninsns, can_store_by_pieces)
	(store_by_pieces_1): Don't enter loop when no more data is left.

2012-10-16  Joern Rennecke  <joern.rennecke@embecosm.com>

	* loop-doloop.c (doloop_modify): Pass doloop_end pattern to
	gen_doloop_begin.
	(doloop_optimize): Pass flag to indicate if loop is entered at top
	to gen_doloop_end.
	* config/arm/thumb2.md (doloop_end): Accept extra operand.
	* config/bfin/bfin.md (doloop_end): Likewise.
	* config/c6x/c6x.md (doloop_end): Likewise.
	* config/ia64/ia64.md (doloop_end): Likewise.
	* config/mep/mep.md (doloop_begin, doloop_end): Likewise.
	* config/rs6000/rs6000.md (doloop_end): Likewise.
	* config/s390/s390.md (doloop_end): Likewise.
	* config/sh/sh.md (doloop_end): Likewise.
	* config/spu/spu.md (doloop_end): Likewise.
	* config/tilegx/tilegx.md (doloop_end): Likewise.
	* config/tilepro/tilepro.md (doloop_end): Likewise.
	* doc/md.texi (doloop_end): Document new operand.
	* basic-block.h (contains_no_active_insn_p): Declare.
	* cfgrtl.c (contains_no_active_insn_p): New function, factored
	out of ...
	(forwarder_block_p): ... here.

2012-10-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	PR c/40989
	* doc/options.texi (EnabledBy): Document new form.
	* optc-gen.awk: Handle new form of EnabledBy.
	* common.opt (Wunused-but-set-parameter): Use EnabledBy.
	(Wunused-parameter): Likewise.
	* opts.c (finish_options): Do not handle them explicitly.
	* opt-functions.awk (search_var_name): New.

2012-10-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	PR c/40989
	* optc-gen.awk: Handle new form of LangEnabledBy.
	* opts.c (set_Wstrict_aliasing): Declare here. Make static.
	* common.opt (Wstrict-aliasing=,Wstrict-overflow=): Do not use Init.
	* doc/options.texi (LangEnabledBy): Document new form.
	* flags.h (set_Wstrict_aliasing): Do not declare.

2012-10-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* reload.c (find_reloads_subreg_address): Remove FORCE_REPLACE
	parameter.  Always replace normal subreg with memory reference
	whenever possible.  Return NULL otherwise.
	(find_reloads_toplev): Always call find_reloads_subreg_address
	for subregs of registers equivalent to a memory location.
	Only recurse further if find_reloads_subreg_address fails.
	(find_reloads_address_1): Only call find_reloads_subreg_address
	for subregs of registers equivalent to a memory location.
	Properly handle failure of find_reloads_subreg_address.

2012-10-16  Jakub Jelinek  <jakub@redhat.com>

	PR debug/54796
	* rtl.h: Document jump flag on VALUE.
	* cselib.h (cselib_set_value_sp_based,
	cselib_sp_based_value_p): New prototypes.
	* alias.c (find_base_term): For cselib_sp_based_value_p
	return static_reg_base_value[STACK_POINTER_REGNUM].
	* cselib.c (SP_BASED_VALUE_P): Define.
	(cselib_set_value_sp_based, cselib_sp_based_value_p): New functions.
	* var-tracking.c (add_stores): Call cselib_set_value_sp_based
	for not yet preserved VALUEs of sp on sp assignments if
	hard_frame_pointer_adjustment != -1.
	(vt_initialize): When setting hard_frame_pointer_adjustment,
	disassociate sp from its previous value and call
	cselib_set_value_sp_based on a new VALUE created for sp.

	PR tree-optimization/54889
	* tree-vect-stmts.c (vectorizable_load): Add VIEW_CONVERT_EXPR if
	ARRAY_REF newref doesn't have compatible type with vectype element
	type, use vectype element type for MEM_REF.

2012-10-16  Steven Bosscher  <steven@gcc.gnu.org>

	* combine.c (record_dead_and_set_regs): Iterate over hard register set
	with a hard_reg_set_iterator.
	* cse.c (invalidate_for_call): Likewise.
	* gcse.c (compute_hash_table_work): Likewise.
	* loop-iv.c (simplify_using_initial_values): Likewise.
	* postreload-gcse.c (record_opr_changes): Likewise.
	* regcprop.c (copyprop_hardreg_forward_1): Likewise.
	* var-tracking.c (dataflow_set_clear_at_call): Likewise.

2012-10-15   Easwaran Raman  <eraman@google.com>

	* optabs.c (emit_cmp_and_jump_insn_1): Add a new parameter to
	specificy the probability of taking the jump.
	(emit_cmp_and_jump_insns): Likewise.
	(expand_compare_and_swap_loop): Make the jump predicted not taken.
	* dojump.c (do_compare_rtx_and_jump): Remove the code attaching
	REG_BR_PROB note and pass probability to emit_cmp_and_jump_insns.
	* cfgbuild.c (compute_outgoing_frequencies): Do not guess outgoing
	probabilities for branches with more than two successors.
	* expr.c (emit_block_move_via_loop): Predict the loop backedge loop
	to be highly taken.
	(try_casesi): Pass the probability of jumping to the default label.
	(try_tablejump): Likewise.
	(do_tablejump): Likewise.
	* expr.h (try_tablejump): Add a new parameter.
	(try_casesi): Likewise.
	(emit_cmp_and_jump_insns): Add probability as default parameter with a
	default value of -1.
	* except.c (sjlj_emit_function_enter): Pass probability to
	emit_cmp_and_jump_insns.
	* stmt.c (case_node): Add new fields PROB and SUBTREE_PROB.
	(do_jump_if_equal): Pass probability for REG_BR_PROB note.
	(add_case_node): Pass estimated probability of jumping to the case
	label.
	(emit_case_decision_tree): Pass default_prob to emit_case_nodes.
	(get_outgoing_edge_probs): New function.
	(conditional_probability): Likewise.
	(reset_out_edges_aux): Likewise.
	(compute_cases_per_edge): Likewise.
	(emit_case_dispatch_table): Update probabilities of edges coming out
	of the switch statement.
	(expand_case): Compute and propagate default edge probability to
	emit_case_dispatch_table.
	(expand_sjlj_dispatch_table): Update calls to add_case_node and
	emit_case_dispatch_table.
	(balance_case_nodes): Update subtree_prob values.
	(emit_case_nodes): Compute edge probabilities and add pass them to
	emit_cmp_and_jump_insns.

2012-10-15  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/51244
	* config/sh/sh-protos.h (set_of_reg): New struct.
	(sh_find_set_of_reg, sh_is_logical_t_store_expr,
	sh_try_omit_signzero_extend):  Declare...
	* config/sh/sh.c (sh_find_set_of_reg, sh_is_logical_t_store_expr,
	sh_try_omit_signzero_extend): ...these new functions.
	* config/sh/sh.md (*logical_op_t): New insn_and_split.
	(*zero_extend<mode>si2_compact): Use sh_try_omit_signzero_extend
	in splitter.
	(*extend<mode>si2_compact_reg): Convert to insn_and_split.
	Use sh_try_omit_signzero_extend in splitter.
	(*mov<mode>_reg_reg): Disallow t_reg_operand as operand 1.
	(*cbranch_t): Rewrite combine part in splitter using new
	sh_find_set_of_reg function.

2012-10-15  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54760
	* config/sh/sh.c (sh_find_base_reg_disp): Stop searching insns when
	hitting a call insn if GBR is marked as call used.
	* config/sh/iterators.md (QIHISIDI): New mode iterator.
	* config/sh/predicates.md (gbr_address_mem): New predicate.
	* config/sh/sh.md (*movdi_gbr_load, *movdi_gbr_store): New
	insn_and_split.  Use QIHISIDI instead of QIHISI in unnamed GBR
	addressing splits.

2012-10-15  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.c: Update function attribute comments.
	* doc/extend.texi (function_vector): Rephrase SH2A specific part.
	(nosave_low_regs, renesas, trapa_handler): Document SH specific
	attributes.
	(sp_switch, trap_exit): Add to index.

2012-10-15  Matthias Klose  <doko@ubuntu.com>

	* config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
	* doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.

2012-10-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (UNSPEC_MOVU): Remove.
	(UNSPEC_LOADU): New.
	(UNSPEC_STOREU): Ditto.
	(<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
	(<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
	(<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
	(<sse2>_movdqu<avxsizesuffix>): Split to ...
	(<sse2>_loaddqu<avxsizesuffix>): ... this and ...
	(<sse2>_storedqu<avxsizesuffix>): ... this.
	(*sse4_2_pcmpestr_unaligned): Update.
	(*sse4_2_pcmpistr_unaligned): Ditto.

	* config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
	gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
	gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
	(ix86_expand_vector_move_misalign): Use gen_sse_loadups or
	gen_sse2_load{dqu,upd} to load from unaligned memory and
	gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
	unaligned memory.
	(struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
	Use CODE_FOR_sse_loadups.
	<IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
	<IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
	<IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
	<IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
	<IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
	<IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
	<IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
	<IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
	<IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
	<IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
	<IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.

2012-10-15  Dodji Seketeli  <dodji@redhat.com>

	* alias.c: Cleanup comments.

2012-10-15  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/54915
	* tree-ssa-forwprop.c (simplify_vector_constructor): Check
	argument's type.

2012-10-15  Richard Biener  <rguenther@suse.de>

	* data-streamer.h (bp_pack_string_with_length): New function.
	(bp_pack_string): Likewise.
	(bp_unpack_indexed_string): Likewise.
	(bp_unpack_string): Likewise.
	* data-streamer-out.c (bp_pack_string_with_length): Likewise.
	(bp_pack_string): Likewise.
	* data-streamer-in.c (bp_unpack_indexed_string): Likewise.
	(bp_unpack_string): Likewise.
	* tree-streamer-out.c (pack_ts_translation_unit_decl_value_fields):
	Pack TRANSLATION_UNIT_LANGUAGE here, not ...
	(write_ts_translation_unit_decl_tree_pointers): ... here.  Remove.
	(streamer_pack_tree_bitfields): Adjust.
	(streamer_write_tree_body): Likewise.
	* tree-streamer-in.c (unpack_ts_translation_unit_decl_value_fields):
	Unpack TRANSLATION_UNIT_LANGUAGE here, not ...
	(lto_input_ts_translation_unit_decl_tree_pointers): ... here.  Remove.
	(unpack_value_fields): Adjust.
	(streamer_read_tree_body): Likewise.

2012-10-15  J"orn Rennecke  <joern.rennecke@arc.com>

	* genoutput.c (process_template): Process '*' in '@' alternatives.
	* doc/md.texi (node Output Statement): Provide example for the above.

2012-10-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54920
	* tree-ssa-pre.c (create_expression_by_pieces): Properly
	allocate temporary storage for all NARY elements.

2012-10-15  Joern Rennecke  <joern.rennecke@embecosm.com>

	* web.c (union_match_dups): Properly handle OP_INOUT match_dups.

2012-10-15  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Do not unnecessarily
	copy the object in the MEM_P case.

2012-10-15  Richard Guenther  <rguenther@suse.de>

	* tree-streamer-out.c (streamer_pack_tree_bitfields): Back
	BINFO_BASE_ACCESSES and CONSTRUCTOR lengths here.
	(streamer_write_chain): Write TREE_CHAIN as null-terminated list.
	(write_ts_exp_tree_pointers): Adjust.
	(write_ts_binfo_tree_pointers): Likewise.
	(write_ts_constructor_tree_pointers): Likewise.
	* tree-streamer-in.c (streamer_read_chain): Read TREE_CHAIN as
	null-terminated list.
	(unpack_value_fields): Unpack BINFO_BASE_ACCESSES and
	CONSTRUCTOR lengths and materialize the arrays.
	(lto_input_ts_exp_tree_pointers): Adjust.
	(lto_input_ts_binfo_tree_pointers): Likewise.
	(lto_input_ts_constructor_tree_pointers): Likewise.

2012-10-14  Hans-Peter Nilsson  <hp@bitrange.com>

	* config/mmix/mmix.c (mmix_opposite_regno): Handle the
	return-value register too.

2012-10-14  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/38711
	* df.h (df_get_live_out, df_get_live_in): Make static inline functions.
	* df-problems.c (df_get_live_out, df_get_live_in): Moved to df.h.
	* ira-lives.c (process_bb_node_lives): Use df_get_live_out instead of
	DF_LR_OUT.
	* ira-build.c (create_bb_allocnos): Likewise.
	(create_loop_allocnos): Likewise, and use df_get_live_in instead of
	DF_LR_IN.
	* ira-emit.c (generate_edge_moves): Likewise.
	(add_ranges_and_copies): Likewise.
	* ira-color.c (ira_loop_edge_freq): Use df_get_live_out instead of
	DF_LR_OUT, and df_get_live_in instead of DF_LR_IN.
	* ira.c (mark_elimination): Update DF_LR and DF_LIVE.
	(build_insn_chain): Use df_get_live_out instead of DF_LR_OUT.
	(do_reload): Remove the DF_LIVE problem for -O1.

2012-10-14  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/54919
	* loop-unroll.c (struct var_to_expand): Remove accum_pos field.
	(analyze_insn_to_expand_var): Do not record accum_pos.
	(expand_var_during_unrolling): Use validate_replace_rtx_group to
	perform replacement of all references to SET_DEST (set) with the
	new register, including references in REG_EQUAL notes.
	(insert_var_expansion_initialization): Insert initializatio insns
	at the bottom of the pre-header of the loop.

2012-10-14  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
	predict loops with multiple exits realistically.
	* cfgloopanal.c (single_likely_exit): New function.

2012-10-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md: Remove empty predicates and/or constraints.
	* config/alpha/sync.md: Ditto.

2012-10-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (I24MODE): New mode iterator.
	(any_divmod): New code iterator.
	(<code>si3): Macroize expander from {div,mod,udiv,umod}si3 using
	any_divmod code iterator.
	(<code>si3): Macroize expander from {div,mod,udiv,umod}di3 using
	any_divmod code iterator.
	(extendqi<mode>2): Macroize insn from extendqi{hi,si}2 using
	I24MODE mode iterator.
	(unaligned_store<mode>): Macroize expander from unaligned_store{qi,hi}
	using I12MODE mode iterator.
	(mov<mode>): Macroize expander from mov{qi,hi} using
	I12MODE mode iterator.

2012-10-13  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/54871
	* loop-iv.c (simplify_using_initial_values): When scanning previous
	basic blocks, prune the recorded conditions if the current insn was
	not used to make a replacement.

	* loop-unroll.c (decide_unroll_constant_iterations): Clean up message.
	(unroll_loop_constant_iterations): Clarify head comment.
	(decide_unroll_runtime_iterations): Clean up message.
	(unroll_loop_runtime_iterations): Clarify head comment.
	(decide_peel_simple): Clean up message.
	(peel_loop_simple): Clarify head comment.
	(decide_unroll_stupid): Clean up message.
	(unroll_loop_stupid): Clarify head comment.

2012-10-13  Andreas Schwab  <schwab@linux-m68k.org>

	PR gcov-profile/44728
	* gcov.c (create_file_names): When stripping extension only look
	at base name.

2012-10-13  Jan Hubicka  <jh@suse.cz>

	* loop-iv.c (determine_max_iter): Fix handling of AND.
	(iv_number_of_iterations): Record upper bounds as unsigned
	values.

2012-10-13  Steven Bosscher  <steven@gcc.gnu.org>

	* ira.c (ira): Set current_loops to &ira_loops before recording
	loop exits.  Release recorded exits and loops early.

2012-10-13  Chung-Lin Tang  <cltang@codesourcery.com>

	* builtins.c (expand_builtin_set_thread_pointer): Use
	create_input_operand() instead of create_fixed_operand().

2012-10-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (FMODE): New mode iterator.
	(modesuffix): Handle SF and DF modes.
	(opmode): New mode attribute.
	(abs<mode>2): Macroize insn from abs{sf,df}2 using FMODE mode iterator.
	(*nabs<mode>2): Macroize insn from *nabs{sf,df}2 using
	FMODE mode iterator.
	(neg<mode>2): Macroize insn from neg{sf,df}2 using FMODE mode iterator.
	(copysign<mode>3): Macroize insn from copysign{sf,df}3 using
	FMODE mode iterator.
	(*ncopysign<mode>3): Macroize insn from *ncopysign{sf,df}3 using
	FMODE mode iterator.
	(*add<mode>3_ieee): Macroize insn from *add{sf,df}_ieee using
	FMODE mode iterator.
	(add<mode>3): Macroize insn from add{sf,df}3 using FMODE mode iterator.
	(*sub<mode>3_ieee): Macroize insn from *sub{sf,df}3_ieee using
	FMODE mode iterator.
	(sub<mode>3): Macroize insn from sub{sf,df}3 using FMODE mode iterator.
	(*mul<mode>3_ieee): Macroize insn from *mul{sf,df}3_ieee using
	FMODE mode iterator.
	(mul<mode>3): Macroize insn from mul{sf,df}3 using FMODE mode iterator.
	(*div<mode>3_ieee): Macroize insn from *div{sf,df}3_ieee using
	FMODE mode iterator.
	(div<mode>3): Macroize insn from div{sf,df}3 using FMODE mode iterator.
	(*sqrt<mode>2_ieee): Macroize insn from *sqrt{sf,df}2_ieee using
	FMODE mode iterator.
	(sqrt<mode>2): Macroize insn from sqrt{sf,df}2
	using FMODE mode iterator.
	(*mov<mode>cc_internal): Macroize insn from *mov{sf,df}cc_internal
	using FMODE mode iterator.
	(mov<mode>cc): Macroize expander from mov{sf,df}cc
	using FMODE mode iterator.

2012-10-12  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54602
	* config/sh/sh.md: Correct define_delay for return insns.
	(*movsi_pop): Delete.

2012-10-12  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54680
	* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_int2sf): Fix swapped
	comments.
	* config/sh/predicates.md (fpul_operand): Add comment.
	(fpul_fsca_operand, fsca_scale_factor): New predicates.
	* config/sh/sh.md (fsca): Move below sincossf3 expander.  Convert to
	insn_and_split.  Use fpul_fsca_operand and fsca_scale_factor
	predicates.  Simplify fpul operand in splitter.

2012-10-12  Jan Hubicka <jh@suse.cz>

	* tree-ssa-threadupdate.c (def_split_header_continue_p): Do not
	escape the loop.

2012-10-12  Jan Hubicka <jh@suse.cz>

	* web.c (web_main): Do not set DF_RD_PRUNE_DEAD_DEFS flag.

2012-10-12  Aaron Gray <aaronngray.lists@gmail.com>
	    Diego Novillo <dnovillo@google.com>

	* gengtype-lex.l: Support for C++ single line comments.
	Support for classes.
	(CXX_KEYWORD): New.  Support C++ keywords inline, public,
	protected, private, template, operator, friend, &, ~.
	(TYPEDEF): New.  Support typedef.
	* gengtype-parser.c: updated 'token_names[]'
	(direct_declarator): Add support for parsing functions and ctors.

2012-10-12  Diego Novillo  <dnovillo@google.com>

	* doc/gty.texi: Document C++ limitations in gengtype.
	* gengtype-lex.l (CID): Rename from ID.
	(ID): Include scoping '::' as part of the identifier name.
	* gengtype-parse.c (token_names): Update.
	(token_value_format): Update.
	(consume_until_eos): Rename from consume_until_semi.
	Remove unused argument IMMEDIATE.  Update all callers.
	Also consider '}' as a finalizer.
	(consume_until_comma_or_eos): Rename from
	consume_until_comma_or_semi.
	Remove unused argument IMMEDIATE.  Update all callers.
	Also consider '}' as a finalizer.
	(direct_declarator): Add documentation on ctor support.
	Add argument IN_STRUCT.
	If the token following ID is a '(', consider ID a
	function and return NULL.
	If the token following '(' is not a '*', and IN_STRUCT is true,
	conclude that this is a ctor and return NULL.
	If the token is IGNORABLE_CXX_KEYWORD, return NULL.
	(inner_declarator): Add argument IN_STRUCT.
	Update all callers.
	(declarator): Add argument IN_STRUCT with default value false.
	Update all callers.
	(type): Document argument NESTED.
	Skip over C++ inheritance specifiers.
	If a token TYPEDEF is found, emit an error.
	If an enum is found inside a class/structure, emit an error.
	(typedefs, structures, param_structs, variables): Initialize.
	(new_structure): Do not complain about duplicate
	structures if S has a line location set.
	* gengtype-state.c (write_state_type): Remove default handler.
	Add handler for TYPE_NONE.
	(read_state_scalar_char_type):
	* gengtype.c: Fix spacing.
	* gengtype.h (enum gty_token): Add name.  Add token
	IGNORABLE_CXX_KEYWORD.

2012-10-12  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/arm/arm.md (get_thread_pointersi): Moved to place with
	other TLS related patterns.

2012-10-12  Richard Biener  <rguenther@suse.de>

	* tree-streamer-out.c (pack_ts_target_option): Rename from ...
	(write_ts_target_option): ... this.
	(pack_ts_optimization): Rename from ...
	(write_ts_optimization): ... this.
	(streamer_pack_tree_bitfields): Pack them in the bitfield section ...
	(streamer_write_tree_body): ... not here.
	* tree-streamer-in.c (unpack_ts_target_option): Rename from ...
	(lto_input_ts_target_option): ... this.
	(unpack_ts_optimization): Rename from ...
	(lto_input_ts_optimization): ... this.
	(unpack_value_fields): Unpack them from the bitfield section ...
	(streamer_read_tree_body): ... not from here.

2012-10-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (vecmodesuffix): New mode attribute.
	(modesuffix): Handle V8QI and V4HI modes.
	(any_maxmin): New code iterator.
	(maxmin): New code attribute.
	(<code><mode>3): Macroize insn from {smax,smin,umax,umin}{qi,hi}3
	using any_maxmin code iterator and I12MODE mode iterator.
	(<code><mode>3): Macroize insn from {smax,smin,umax,umin}{v8qi,v4hi}3
	using any_maxmin code iterator and VEC12 mode iterator.

2012-10-12  Marc Glisse  <marc.glisse@inria.fr>

	* optabs.c (vector_compare_rtx): Change prototype.
	(expand_vec_cond_expr): Handle VEC_COND_EXPR whose first operand
	is not a comparison.
	* gimplify.c (gimplify_expr): Handle VEC_COND_EXPR.

2012-10-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54894
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
	Handle over-aligned scalar types properly.

2012-10-12  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54760
	* config/sh/sh.c (bdesc): Remove thread pointer built-ins.
	* config/sh/sh.md (get_thread_pointer, set_thread_pointer): Append mode
	name 'si'.

2012-10-12  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/51244
	* config/sh/sh.md (negsi_cond, negdi_cond, stack_protect_test): Remove
	get_t_reg_rtx when invoking gen_branch_true or gen_branch_false.
	(*zero_extend<mode>si2_compact): Convert to insn_and_split.  Convert
	zero extensions of T bit stores to reg moves in splitter.  Remove
	obsolete unnamed peephole2 that caught zero extensions after negc T bit
	stores.
	(*branch_true_eq, *branch_false_ne): Delete.
	(branch_true, branch_false): Convert insn to expander.  Move actual
	insn logic to...
	(*cbranch_t): ...this new insn_and_split.  Try to find preceding
	redundant T bit stores and tests and combine them with the conditional
	branch if possible in the splitter.
	(movrt_xor, *movt_movrt): New insn_and_split.
	* config/sh/predicates.md (cbranch_treg_value): New predicate.
	* config/sh/sh-protos.h (sh_eval_treg_value): Forward declare...
	* config/sh/sh.c (sh_eval_treg_value): ...this new function.
	(expand_cbranchsi4, expand_cbranchdi4): Remove get_t_reg_rtx
	when invoking gen_branch_true or gen_branch_false.

2012-10-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (IMODE): New mode iterator.
	(I124MODE): Ditto.
	(I248MODE): Ditto.
	(modesuffix): Handle QI and HI modes.
	(zero_extendqi<mode>2): Macroize insn from zero_extendqi{hi,si,di}2
	using I248MODE mode iterator.
	(zero_extendhi<mode>2): Macroize insn from zero_extendhi{si,di}2
	using I48MODE mode iterator.
	(andnot<mode>3): Macroize insn from andnot{si,di}3 using
	I48MODE mode iterator.
	(ins<modesuffix>l_const): Macroize insn from ins{b,w,l}l_const
	using I248MODE mode iterator.
	(ins<modesuffix>l): Macroize insn from ins{b,w,l}l
	using I248MODE mode iterator.
	(*mov<mode>cc_internal): Macroize insn from
	*mov{qi,hi,si,di}cc_internal using IMODE mode iterator.
	(*mov<mode>cc_lbc): Macroize insn from
	*mov{qi,hi,si,di}cc_lbc using IMODE mode iterator.
	(*mov<mode>cc_lbs): Macroize insn from
	*mov{qi,hi,si,di}cc_lbs using IMODE mode iterator.
	(mov<mode>cc): Macroize expander from mov{si,di}cc
	using I48MODE mode iterator.

2012-10-11  Steven Bosscher  <steven@gcc.gnu.org>

	* ira-build.c (ira_loop_tree_body_rev_postorder): New function.
	(ira_traverse_loop_tree): Traverse a loop's basic blocks in
	reverse post-order of the reversed control-flow direction.
	* ira-conflicts.c (ira_build_conflicts): Pass add_copies as
	the pre-order function to ira_traverse_loop_tree to preserve
	the existing semantics.

	* ira-lives.c (remove_some_program_points_and_update_live_ranges):
	Squeeze out live range chain elements if their program points are
	connected.

2012-10-11  Jakub Jelinek  <jakub@redhat.com>

	* tree.def (REDUC_PLUS_EXPR): Fix up comment.

	* fold-const.c (fold_unary_loc): Handle REDUC_MIN_EXPR,
	REDUC_MAX_EXPR and REDUC_PLUS_EXPR.

2012-10-11  James Lemke  <jwlemke@codesourcery.com>

	* config/rs6000/predicates.md (zero_fp_constant): Fix comment.
	* config/rs6000/rs6000.md (return_pred): Fix null return.
	* config/rs6000/rs6000.c (rs6000_emit_set_const): Fix indentation.
	(print_operand): Make FALLTHRU obvious.
	(output_cbranch): Correct comment.

2012-10-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (DWI): New mode attribute.
	(*sadd<modesuffix>): Macroize insn from *saddl and *saddq using
	I48MODE mode iterator.
	(addv<mode>3): Macroize insn from addvsi3 and addvdi3 using
	I48MODE mode iterator.
	(neg<mode>2): Macroize insn from negsi2 and negdi2 using
	I48MODE mode iterator.
	(negv<mode>2): Macroize insn from negvsi2 and negvdi2 using
	I48MODE mode iterator.
	(sub<mode>3): Macroize insn from subsi3 and subdi3 using
	I48MODE mode iterator.
	(*ssub<modesuffix>): Macroize insn from *ssubl and *ssubq using
	I48MODE mode iterator.
	(subv<mode>3): Macroize insn from subvsi3 and subvdi3 using
	I48MODE mode iterator.
	(mul<mode>3): Macroize insn from mulsi3 and muldi3 using
	I48MODE mode iterator.
	(mulv<mode>3): Macroize insn from mulvsi3 and mulvdi3 using
	I48MODE mode iterator.
	(*iornot<mode>3): Macroize insn from *iornotsi3 and *iornotdi3 using
	I48MODE mode iterator.
	(*xornot<mode>3): Macroize insn from *xornotsi3 and *xornotdi3 using
	I48MODE mode iterator.

2012-10-11  Jason Merrill  <jason@redhat.com>

	* configure.ac (gcc_cv_as_aix_ref): Fix typo.
	* configure: Regenerate.

2012-10-11  Chung-Lin Tang  <cltang@codesourcery.com>

	* builtins.c (expand_builtin_thread_pointer): New.
	(expand_builtin_set_thread_pointer): New.
	(expand_builtin): Add BUILT_IN_THREAD_POINTER,
	BUILT_IN_SET_THREAD_POINTER expand cases.
	* builtins.def (BUILT_IN_THREAD_POINTER):
	New __builtin_thread_pointer builtin.
	(BUILT_IN_SET_THREAD_POINTER):
	New __builtin_set_thread_pointer builtin.
	* optabs.def (get_thread_pointer,set_thread_pointer):
	New standard names.
	* doc/md.texi (Standard Names): Document get_thread_pointer and
	set_thread_pointer patterns.
	* config/alpha/alpha.md (get_thread_pointerdi): Rename from load_tp.
	(set_thread_pointerdi): Rename from set_tp.
	* config/alpha/alpha.c (alpha_legitimize_address_1): Change
	gen_load_tp calls to gen_get_thread_pointerdi.
	(alpha_builtin): Remove ALPHA_BUILTIN_THREAD_POINTER,
	ALPHA_BUILTIN_SET_THREAD_POINTER.
	(code_for_builtin): Remove CODE_FOR_load_tp, CODE_FOR_set_tp.
	(alpha_init_builtins): Remove __builtin_thread_pointer,
	__builtin_set_thread_pointer machine-specific builtins.
	(alpha_expand_builtin_thread_pointer): Add hook function for
	TARGET_EXPAND_BUILTIN_THREAD_POINTER.
	(alpha_expand_builtin_set_thread_pointer): Add hook function for
	TARGET_EXPAND_BUILTIN_SET_THREAD_POINTER.
	(alpha_fold_builtin): Remove ALPHA_BUILTIN_THREAD_POINTER,
	ALPHA_BUILTIN_SET_THREAD_POINTER cases.
	* config/arm/arm.md (get_thread_pointersi): New pattern.
	* config/arm/arm-protos.h (arm_load_tp): Add extern declaration.
	* config/arm/arm.c (arm_load_tp): Remove static.
	(arm_builtins): Remove ARM_BUILTIN_THREAD_POINTER.
	(arm_init_tls_builtins): Remove function.
	(arm_init_builtins): Remove call to arm_init_tls_builtins().
	(arm_expand_builtin): Remove ARM_BUILTIN_THREAD_POINTER case.
	* config/mips/mips.md (get_thread_pointer<mode>): New pattern.
	* config/mips/mips-protos.h (mips_expand_thread_pointer):
	Add extern declaration.
	* config/mips/mips.c (mips_expand_thread_pointer):
	Renamed from mips_get_tp.
	(mips_get_tp): New stub calling mips_expand_thread_pointer.
	* config/s390/s390.c (s390_builtin,code_for_builtin_64,
	code_for_builtin_31,s390_init_builtins,s390_expand_builtin): Remove.
	* config/s390/s390.md (get_tp_64,get_tp_31,set_tp_64,set_tp_31):
	Remove.
	(get_thread_pointer<mode>,set_thread_pointer<mode>):
	New, adapted from removed patterns.
	* config/xtensa/xtensa.md (get_thread_pointersi):
	Renamed from load_tp.
	(set_thread_pointersi): Renamed from set_tp.
	* config/xtensa/xtensa.c (xtensa_legitimize_tls_address):
	Change gen_load_tp calls to gen_get_thread_pointersi.
	(xtensa_builtin): Remove XTENSA_BUILTIN_THREAD_POINTER and
	XTENSA_BUILTIN_SET_THREAD_POINTER.
	(xtensa_init_builtins): Remove __builtin_thread_pointer,
	__builtin_set_thread_pointer machine-specific builtins.
	(xtensa_fold_builtin): Remove XTENSA_BUILTIN_THREAD_POINTER,
	XTENSA_BUILTIN_SET_THREAD_POINTER cases.
	(xtensa_expand_builtin): Remove XTENSA_BUILTIN_THREAD_POINTER,
	XTENSA_BUILTIN_SET_THREAD_POINTER cases.

2012-10-11  Marc Glisse  <marc.glisse@inria.fr>

	* doc/extend.texi (Vector Extensions): C++ improvements.
	* doc/generic.texi (LSHIFT_EXPR, RSHIFT_EXPR): Mixed vector-scalar.
	(LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR, NE_EXPR): Specify
	the vector case.
	(VEC_COND_EXPR): Document it.

2012-10-11  Terry Guo  <terry.guo@arm.com>

	* config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
	architecture.
	* config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
	instruction.

2012-10-11  Hans-Peter Nilsson  <hp@bitrange.com>

	PR target/54373
	* configure.ac (out-of-tree linker .hidden support) Set to "no"
	for mmix-knuth-mmixware.
	* configure: Regenerate.

	* configure.ac (gcc_cv_as_comdat_group_group): Default to no.
	* configure: Regenerate.

	* acinclude.m4 (_gcc_COMPUTE_GAS_VERSION): Allow a single
	character to quote the VERSION= contents.  Sanity-check contents.
	* configure.ac ("what linker to use" ld version extraction): Ditto.
	* configure: Regenerate.

2012-10-10  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.h (PRINT_OPERAND_PUNCT_VALID_P): Delete '.'.

2012-10-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54877
	* tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
	use make_ssa_name instead of copy_ssa_name.

2012-10-10  Richard Biener  <rguenther@suse.de>

	* lto-streamer-in.c (lto_input_location_bitpack): Rename to ...
	(lto_input_location): ... this.  Kill original.
	(input_eh_region): Adjust.
	(input_struct_function_base): Likewise.
	(lto_read_tree): Likewise.
	* lto-streamer-out.c (lto_output_location_bitpack): Rename to ...
	(lto_output_location): ... this.  Kill original.
	(lto_write_tree): Adjust.
	(output_eh_region): Likewise.
	(output_struct_function_base): Likewise.
	* lto-streamer.c (lto_streamer_hooks_init): Initialize location hooks.
	* lto-streamer.h (lto_input_location): Adjust prototype.
	(lto_output_location): Likewise.
	* streamer-hooks.h (struct streamer_hooks): Adjust prototype
	of input_location and output_location hooks.
	(stream_input_location): New define.
	(stream_output_location): Likewise.
	* tree-streamer-in.c (unpack_ts_block_value_fields): Adjust.
	(unpack_value_fields): Likewise.
	(streamer_read_tree_bitfields): Likewise.
	(lto_input_ts_decl_minimal_tree_pointers): Likewise.
	(lto_input_ts_exp_tree_pointers): Likewise.
	(lto_input_ts_block_tree_pointers): Likewise.
	* tree-streamer-out.c (pack_ts_block_value_fields): Adjust.
	(streamer_pack_tree_bitfields): Likewise.
	(write_ts_decl_minimal_tree_pointers): Likewise.
	(write_ts_exp_tree_pointers): Likewise.
	(write_ts_block_tree_pointers): Likewise.
	* gimple-streamer-in.c (input_phi): Adjust.
	(input_gimple_stmt): Likewise.
	* gimple-streamer-out.c (output_phi): Adjust.
	(output_gimple_stmt): Likewise.
	* tree-streamer.h (streamer_read_tree_bitfields): Adjust prototype.
	(streamer_pack_tree_bitfields): Likewise.

2012-10-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (altivec_expand_dst_builtin): Fix signed
	vs. unsigned warnings by using enum type for function code.
	(paired_expand_builtin): Likewise.
	(spe_expand_builtin): Likewise.

	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Change
	builtin mask, target flags masks type to HOST_WIDE_INT in
	preparation for growing the number of ISA switches from 31 to 63.

	* config/rs6000/rs6000.opt (rs6000_builtin_mask): Make mask type
	HOST_WIDE_INT.

	* config/rs6000/rs6000.c (struct builtin_description): Make
	builtin mask field HOST_WIDE_INT.  Make target flags field
	HOST_WIDE_INT in preparation for growing the # of ISA switches.
	(struct rs6000_builtin_info_type): Likewise.
	(struct rs6000_ptt): Likewise.
	(rs6000_builtin_mask_calculate): Likewise.
	(rs6000_invalid_builtin): Likewise.
	(rs6000_builtin_decl): Likewise.
	(rs6000_common_init_builtins): Likewise.
	(rs6000_darwin_file_start): Likewise.
	(rs6000_final_prescan_insn): Likewise.
	(rs6000_inner_target_options): Likewise.
	(build_target_option_node): Likewise.
	(rs6000_function_specific_print): Likewise.
	(DEBUG_FMT_W): New format for printing HOST_WIDE_INT in hex.

	* config/rs6000/rs6000-protos.h (rs6000_builtin_mask_calculate):
	Make target flags, builtin masks arguments/return values
	HOST_WIDE_INT in preparation for growing the number of ISA from 31
	to 63.
	(rs6000_target_modify_macros): Likewise.
	(rs6000_target_modify_macros_ptr): Likewise.

	* config/rs6000/rs6000.c (DEBUG_FMT_ID): Move "-32s" to a separate
	define and change DEBUG_FMT_<x> to use it.
	(DEBUG_FMT_D): Likewise.
	(DEBUG_FMT_S): Likewise.
	(DEBUG_FMT_X): Delete, no longer used.
	(DEBUG_FMT_W): Likewise.
	(DEBUG_FMT_WX): New debug format for printing options in a
	friendly fashion.
	(rs6000_debug_reg_global): If -mdebug=reg, print all of the
	options in target_flags and target_flags_explicit.  Print the
	default options for -mcpu=<xxx>, -mtune=<xxx>, and the default
	options.  Adjust printing out the builtin options.
	(rs6000_option_override_internal): Change printing the builtin
	options to use rs6000_print_builtin_options.
	(rs6000_function_specific_print): Change to use
	rs6000_print_isa_options to print ISA flags.
	(rs6000_print_options_internal): New function for expanded
	-mdebug=reg option printing to print both the ISA options, and the
	builtins that are enabled.
	(rs6000_print_isa_options): New function to print the ISA options.
	(rs6000_print_builtin_options): New function to print the builtin
	functions enabled.

2012-10-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/51109
	* config/i386/bdver1.md (bdver1-mult): Remove.

	PR middle-end/54879
	* combine.c (count_rtxs): Use RTX_BIN_ARITH resp. RTX_COMM_ARITH
	instead of '2' resp. 'c' for GET_RTX_CLASS comparisons.

	PR middle-end/54862
	* simplify-rtx.c (simplify_truncation): Compare UINTVAL instead of
	INTVAL of second argument with precision resp. op_precision.

2012-10-10  Dodji Seketeli  <dodji@redhat.com>

	PR middle-end/54860 - Make sure attributes hash table is created
	* attribs.c (register_scoped_attributes): Ensure the attribute
	hash table is created.

2012-10-10  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

	PR target/51109
	* config/i386/bdver1.md (bdver1_int): Automaton has been
	split to reduce state transitions.

2012-10-10  Richard Biener  <rguenther@suse.de>

	PR middle-end/54876
	* ipa-prop.c (prune_expression_for_jf_1): New function.
	(prune_expression_for_jf): Clear EXPR_LOCATION for all
	sub-expressions as well.

2012-10-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config.gcc: Enable zEC12 for with-arch and with-tune
	configure switches.
	* common/config/s390/s390-common.c (processor_flags_table): Add
	zEC12 entry.
	* config/s390/2827.md: New file.
	* config/s390/s390-opts.h (enum processor_type): Add
	PROCESSOR_2827_ZEC12.
	* config/s390/s390.h (enum processor_flags): Add PF_ZEC12.
	(TARGET_CPU_ZEC12, TARGET_ZEC12): New macro definitions.
	* config/s390/s390.c (zEC12_cost): New definition.
	(s390_option_override): Set costs for zEC12.
	Set parameter defaults for zEC12.
	(legitimate_reload_fp_constant_p): Adjust comment.
	(preferred_la_operand_p): Adjust comment.
	(s390_expand_insv): Generate insv pattern without CC clobber for zEC12.
	(s390_adjust_priority): Add zEC12 check.
	(s390_issue_rate): Return 2 for zEC12.
	(s390_reorg): Enable code optimizations for zEC12.
	(s390_sched_reorder): Reorder insns according to OOO attributes.
	(s390_get_sched_attrmask): New function.
	(s390_sched_score): New function.
	(s390_sched_variable_issue): Update s390_sched_state.
	(s390_sched_init): Reset s390_sched_state.
	(s390_loop_unroll_adjust): Enable for zEC12.
	* config/s390/s390.opt: Add zEC12 processor type value.
	* config/s390/s390.md: Enable mnemonic attribute.
	(attr cpu, cpu_facility): Add zEC12.
	Include 2827.md.
	("*insv<mode>_zEC12", "*insv<mode>_zEC12_noshift")
	("*load_and_trap<mode>"): New insn definition.
	("*cmp_and_trap_unsigned_int<mode>"): Add clt and clgt.

2012-10-09  David S. Miller  <davem@davemloft.net>

	* config/sparc/sparc.md (type attribute): Add new types 'visl'
	(VIS logical operation), 'vismv' (VIS move), and 'pdistn'.  Rename
	'fgm_pdist' to 'pdist'.
	(*movsi_insn): Use vismv and visl.
	(*movdi_insn_sp64): Likewise.
	(*movsf_insn): Likewise.
	(*movdf_insn_sp64): Likewise.
	(*mov<VM32:mode>_insn): Likewise, use 'fsrc2s' instead of 'fsrc1s'.
	(*mov<VM64:mode>_insn_sp64): Likewise, use 'fsrc2s'
	instead of 'fsrc1s'.
	(*mov<VM64:mode>_insn_sp32): Likewise, use 'fsrc2s'
	instead of 'fsrc1s'.
	(VIS logical instructions): Mark as visl.
	(pdist_vis): Use 'pdist'.
	(pditsn<mode>_vis): Use 'pdistn'.
	* config/sparc/ultra1_2.md: Adjust for new VIS attribute types.
	* config/sparc/ultra3.md: Likewise.
	* config/sparc/niagara.md: Likewise.
	* config/sparc/niagara2.md: Likewise.
	* config/sparc/niagara4.md: Add cpu units "n4_slot2" and
	"n4_load_store" for special store scheduling.  Use them in load
	and store reservations.  Integer divide and multiply can only
	issue in slot-1.  Represent 1-cycle VIS moves and 3-cycle VIS
	logic operations.

2012-10-10  Dehao Chen  <dehao@google.com>

	* tree-eh.c (lower_try_finally_onedest): Set correct location for
	deallocator.
	* gimplify.c (gimplify_expr): Set correct location for TRY stmt.

2012-10-10  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/52480
	* config/sh/sh.md (extv, extzv): Check that operands[3] is zero,
	regardless of the endianness.

2012-10-09  Lawrence Crowl  <crowl@google.com>

	* Makefile.in (fold-const.o): Add depencence on hash-table.h.
	(dse.o): Likewise.
	(cfg.o): Likewise.
	* fold-const.c (fold_checksum_tree): Change to new
	type-safe hash table.
	* (print_fold_checksum): Likewise.
	* cfg.c (var bb_original): Likewise.
	* (var bb_copy): Likewise.
	* (var loop_copy): Likewise.
	* hash-table.h (template hash_table): Constify parameters for find...
	and remove_elt... member functions.
	(hash_table::empty) Correct size expression.
	(hash_table::clear_slot) Correct deleted entry assignment.
	* dse.c (var rtx_group_table): Change to new type-safe hash table.

2012-10-09  Steven Bosscher  <steven@gcc.gnu.org>

	* basic-block. (profile_record): New struct, moved from passes.c.
	* cfghooks.h (struct cfg_hooks) <account_profile_record>: New hook.
	(account_profile_record): New prototype.
	* cfghooks.c (account_profile_record): New function.
	* tree-cfg.c (gimple_account_profile_record): New function
	(gimple_cfg_hooks): Add it.
	* cfgrtl.c (rtl_account_profile_record): New function
	(rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Add it.
	* passes.c (check_profile_consistency): Simplify.  Move IR-dependent
	code around using cfghooks machinery.

2012-10-09  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54760
	* doc/extend.texi (Target Builtins): Add SH built-in section.
	Document __builtin_thread_pointer and __builtin_set_thread_pointer.

2012-10-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

	PR middle-end/53397
	* tree-ssa-loop-prefetch.c (gather_memory_references_ref):
	Perform non constant step prefetching in inner loop, only
	when it is invariant in the entire loop nest.
	* tree-ssa-loop-prefetch.c (dump_mem_details): New function to dump
	base, step and delta values of memeory reference analysed for
	prefetching.
	* tree-ssa-loop-prefetch.c (dump_mem_ref): Call dump_mem_details
	to print base, step and delta values of memory reference.
	* cfgloop.h (loop_outermost): New function that returns outermost
	loop for a given loop in a loop nest.

2012-10-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54837
	* cfgexpand.c (expand_debug_source_expr): Move checking
	code conditional on a found decl_debug_args vector.

2012-10-09  Richard Guenther  <rguenther@suse.de>

	* tree-streamer.c (streamer_tree_cache_get): Move ...
	* tree-streamer.h (streamer_tree_cache_get): ... here as inline.

2012-10-09  Jan Hubicka  <jh@suse.cz>

	* loop-unroll.c (unroll_loop_constant_iterations): Add
	update of loop->nb_iterations_upper_bound I missed in my previous
	commit; use TRUNC_DIV_EXPR instead of FLOOR_DIV_EXPR to divide
	iteration count.
	(decide_unroll_runtime_iterations): Avoid overflow.
	(unroll_loop_runtime_iterations): Use TRUNC_DIV_EXPR instead of
	FLOOR_DIV_EXPR to update iteration bounds.
	(decide_peel_simple): Avoid integer overflow when deciding
	on number of peelings.
	(decide_unroll_stupid): Likewise.

2012-10-09  Tobias Burnus  <burnus@net-b.de>

	* lto-cgraph.c (input_node_opt_summary): Remove unused code.
	* lto-opts.c (append_to_collect_gcc_options): Fix condition.
	* lto-symtab.c (lto_cgraph_replace_node): Don't xstrdup string
	which is passed to fprintf.

2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54194
	* tree.h: Add EXPR_LOC_OR_LOC.

2012-10-09  Nick Clifton  <nickc@redhat.com>

	PR rtl-optimization/54739
	* config/mcore/mcore.md: (anddi3, iordi3, xordi3): Delete patterns.

	PR target/54661
	* config/mcore/mcore.c (mcore_output_movedouble): Fix typo.

2012-10-09  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/54427
	* fold-const.c (fold_binary_loc): Use build_zero_cst instead of
	build_int_cst for a potential vector.

2012-10-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/atom.md (atom_sse_4): Merge atom_sse_attr attibutes.
	(atom_sse_5): Ditto.

2012-10-08  Marc Glisse  <marc.glisse@inria.fr>

	PR target/54400
	* config/i386/i386.md (type attribute): Add sseadd1.
	(unit attribute): Add support for sseadd1.
	(memory attribute): Likewise.
	* config/i386/athlon.md: Likewise.
	* config/i386/core2.md: Likewise.
	* config/i386/atom.md: Likewise.
	* config/i386/ppro.md: Likewise.
	* config/i386/bdver1.md: Likewise.
	* config/i386/sse.md (sse3_h<plusminus_insn>v2df3): Split into...
	(sse3_haddv2df3): ... expander.
	(*sse3_haddv2df3): ... define_insn. Accept permuted operands.
	(sse3_hsubv2df3): ... define_insn.
	(*sse3_haddv2df3_low): New define_insn.
	(*sse3_hsubv2df3_low): New define_insn.

2012-10-08  Jan Hubicka  <jh@suse.cz>

	* loop-unswitch.c (unswitch_single_loop): Use
	estimated_loop_iterations_int to prevent unswitching when loop
	is known to not roll.
	* tree-ssa-loop-niter.c (estimated_loop_iterations): Do not segfault
	when SCEV is not initialized.
	(max_loop_iterations): Likewise.
	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Use
	estimated_loop_iterations_int to prevent unswithcing when
	loop is known to not roll.
	* tree-scalar-evolution.c (scev_initialized_p): New function.
	* tree-scalar-evolution.h (scev_initialized_p): Likewise.
	* loop-unroll.c (decide_peel_once_rolling): Use
	max_loop_iterations_int.
	(unroll_loop_constant_iterations): Update
	nb_iterations_upper_bound and nb_iterations_estimate.
	(decide_unroll_runtime_iterations): Use
	estimated_loop_iterations or max_loop_iterations;
	(unroll_loop_runtime_iterations): fix profile updating.
	(decide_peel_simple): Use estimated_loop_iterations
	and max_loop_iterations.
	(decide_unroll_stupid): Use estimated_loop_iterations
	ad max_loop_iterations.
	* loop-doloop.c (doloop_modify): Use max_loop_iterations_int.
	(doloop_optimize): Likewise.
	* loop-iv.c (iv_number_of_iterations): Use record_niter_bound.
	(find_simple_exit): Likewise.
	* cfgloop.h (struct niter_desc): Remove niter_max.

2012-10-08  Marek Polacek  <polacek@redhat.com>

	PR debug/54831
	* var-tracking.c (vt_add_function_parameter): Use condition instead
	of gcc_assert.

2012-10-08  Dehao Chen  <dehao@google.com>

	* predict.c (predict_loops): Predict for short-circuit conditions.
	(predict_extra_loop_exits): New Function.

2012-10-08  Steven Bosscher  <steven@gcc.gnu.org>

	* bitmap.h (bitmap_and_into): Update prototype.
	* bitmap.c (bitmap_and_into): Return true if the target bitmap
	changed, false otherwise.

	* df.h (df_dump_insn_problem_function): New function type.
	(struct df_problem): Add two functions, to dump just before and
	just after an insn.
	(DF_RD_PRUNE_DEAD_DEFS): New changable flag.
	(df_dump_insn_top, df_dump_insn_bottom): New prototypes.
	* df-core (df_dump_region): Use dump_bb.
	(df_dump_bb_problem_data): New function.
	(df_dump_top, df_dump_bottom): Rewrite using df_dump_bb_problem_data.
	(df_dump_insn_problem_data): New function.
	(df_dump_insn_top, df_dump_insn_bottom): New functions.
	* df-scan.c (problem_SCAN): Add NULL fields for new members.
	* df-problems.c (df_rd_local_compute): Ignore hard registers if
	DF_NO_HARD_REGS is in effect.
	(df_rd_transfer_function): If DF_RD_PRUNE_DEAD_DEFS is in effect,
	prune reaching defs using the LR problem.
	(df_rd_start_dump): Fix dumping of DEFs map.
	(df_rd_dump_defs_set): New function.
	(df_rd_top_dump, df_rd_bottom_dump): Use it.
	(problem_RD): Add NULL fields for new members.
	(problem_LR, problem_LIVE): Likewise.
	(df_chain_bb_dump): New function.
	(df_chain_top_dump): Dump only for artificial DEFs and USEs,
	using df_chain_bb_dump.
	(df_chain_bottom_dump): Likewise.
	(df_chain_insn_top_dump, df_chain_insn_bottom_dump): New functions.
	(problem_CHAIN): Add them as new members.
	(problem_WORD_LR, problem_NOTE): Add NULL fields for new members.
	(problem_MD): Likewise.
	* cfgrtl.c (rtl_dump_bb): Use df_dump_insn_top and df_dump_insn_bottom.
	(print_rtl_with_bb): Likewise.

	* dce.c (init_dce): Use DF_RD_PRUNE_DEAD_DEFS.
	* loop-invariant.c (find_defs): Likewise.
	* loop-iv.c (iv_analysis_loop_init): Likewise.
	* ree.c (find_and_remove_re): Likewise.
	* web.c (web_main): Likewise.

2012-10-08  Jason Merrill  <jason@redhat.com>

	* config/rs6000/rs6000.c (rs6000_code_end): Protect the use of
	ASM_WEAKEN_DECL with #if RS6000_WEAK.

2012-10-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54825
	* tree-ssa-sccvn.c (vn_nary_length_from_stmt): Handle BIT_FIELD_REF.
	(init_vn_nary_op_from_stmt): Likewise.
	* tree-ssa-pre.c (compute_avail): Use vn_nary_op_lookup_stmt.
	* tree-ssa-sccvn.h (sizeof_vn_nary_op): Avoid overflow.

2012-10-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (postorder_num): New global.
	(compute_antic): Initialize all blocks and adjust for
	generic postorder.
	(my_rev_post_order_compute): Remove.
	(init_pre): Use inverted_post_order_compute.

2012-10-08  Bernd Schmidt  <bernds@codesourcery.com>

	* sched-int.h (schedule_block): Adjust declaration.
	* sched-rgn.c (bb_state_array, bb_state): New static variables.
	(sched_rgn_init): Initialize them.
	(sched_rgn_free): Free them.
	(schedule_region): Save scheduling state for future blocks, and
	pass such state to schedule_block.
	* params.def (PARAM_SCHED_STATE_EDGE_PROB_CUTOFF): New.
	* doc/invoke.texi (--param): Document it.
	* haifa-sched.c (schedule_block): New arg init_state.  Use it to
	initialize state if nonnull.  All callers changed.
	Call advance_one_cycle after scheduling.

2012-10-08  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54854
	* doc/invoke.texi (AVR Options): Remove -mshort-calls.
	* config/avr/avr.opt (-mshort-calls): Remove option.
	* config/avr/avr.h (AVR_HAVE_JMP_CALL): Don't depend on
	TARGET_SHORT_CALLS.

2012-10-08  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54685
	* config/sh/sh.md (one_cmplsi2): Make insn_and_split.  Add manual
	combine matching for an insn sequence where a ge:SI pattern
	can be used.

2012-10-08  Dodji Seketeli  <dodji@redhat.com>

	PR c++/53528 C++11 attribute support
	* plugin.h (register_scoped_attributes): Declare new function.
	* tree.h (enu attribute_flags::ATTR_FLAG_CXX_11): New flag.
	(lookup_scoped_attribute_spec, cxx_11_attribute_p)
	(get_attribute_name, get_attribute_namespace): Declare new functions.
	(struct attribute_spec): Remove const qualifier from the members.
	* tree.c (comp_type_attributes, private_lookup_attribute)
	(lookup_ident_attribute, remove_attribute, merge_attribute)
	(attribute_hash_list, attribute_list_contained): Use
	get_attribute_name.
	* attribs.c (decl_attributes): Don't crash on error_mark_node.
	Forbid c++11 attributes appertaining to type-specifiers.
	(attribute_hash): Remove global variable.
	(attributes_table): New global variable.
	(find_attribute_namespace, register_scoped_attribute): New static
	functions.
	(register_scoped_attributes, lookup_scoped_attribute_spec)
	(cxx11_attribute_p, get_attribute_name, get_attribute_namespace):
	New public functions.
	(init_attributes): Register all the GNU attributes into the "gnu"
	namespace.
	(register_attribute): Use register_scoped_attribute to register
	the attribute into the "gnu" namespace.
	(lookup_attribute_spec): Use lookup_scoped_attribute_spec to
	lookup the attribute in the "gnu" namespace.
	(decl_attributes): Use new get_attribute_namespace and
	lookup_scoped_attribute_spec to consider attribute namespaces when
	looking up attributes.  When operating in c++-11 mode, pass flag
	ATTR_FLAG_CXX11 to the spec handler.

2012-10-08  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54815
	* config/avr/avr.md (*add<mode>3, add<mode>3, addpsi3): Make
	constraint alternative "r,0,r" slighly more expensive.
	(sub<mode>3, andqi3, andhi3, andpsi3, andsi3): Ditto.
	(iorqi3, iorhi3, iorpsi3, iorsi3): Ditto.
	(xorhi3, xorpsi3, xorsi3): Ditto.

2012-10-08  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54760
	* config/sh/sh.md (*mov<mode>_gbr_load, *mov<mode>_gbr_store): New
	insns and accompanying unnamed splits.
	* config/sh/predicates.md (general_movsrc_operand,
	general_movdst_operand): Reject GBR addresses.
	* config/sh/sh-protos.h (sh_find_equiv_gbr_addr): New declaration.
	* config/sh/sh.c (sh_address_cost, sh_legitimate_address_p,
	sh_secondary_reload): Handle GBR addresses.
	(base_reg_disp): New class.
	(sh_find_base_reg_disp, sh_find_equiv_gbr_addr): New functions.

2012-10-08  Hans-Peter Nilsson  <hp@bitrange.com>

	* config/mmix/mmix.c (mmix_output_octa): Don't assume
	HOST_WIDEST_INT_PRINT_HEX starts with "0x".  Instead use
	HOST_WIDE_INT_PRINT_HEX_PURE, falling back to
	HOST_WIDEST_INT_PRINT_UNSIGNED.

2012-10-07  Richard Sandiford  <rdsandiford@googlemail.com>

	* machmode.h (GET_MODE_UNIT_PRECISION): New macro.
	* simplify-rtx.c (simplify_truncation): New function,
	extracted from simplify_subreg and (in small part) from
	simplify_unary_operation_1.
	(simplify_unary_operation_1) <TRUNCATE>: Use it.  Remove sign bit
	test for !TRULY_NOOP_TRUNCATION_MODES_P.
	(simplify_subreg): Use simplify_truncate for lowpart subregs
	where both the inner and outer modes are scalar integers.
	* config/mips/mips.c (mips_truncated_op_cost): New function.
	(mips_rtx_costs): Adjust test for BADDU.
	* config/mips/mips.md (*baddu_di<mode>): Push truncates to operands.

2012-10-07  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-analysis.c (do_estimate_edge_time): Return actual
	time spent by the inlined sequence.
	(do_estimate_edge_growth): Rename to ...
	(do_estimate_edge_time): ... this one; return size of inlined sequence.
	* ipa-inline.h (do_estimate_edge_size): New.
	(do_estimate_edge_growth): Remove.
	(estimate_edge_size): New function.
	(estimate_edge_growth): Use it.

2012-10-07  Jan Hubicka  <jh@suse.cz>

	* lto-cgraph.c (lto_symtab_encoder_new): New parameter FOR_INPUT.
	(lto_symtab_encoder_delete): Update.
	(lto_symtab_encoder_encode): Update.
	(compute_ltrans_boundary): Update.
	(input_symtab): Update.
	* lto-streamer.h (lto_symtab_encoder_new): Update.

2012-10-07  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-protos.h (mips_split_type): New enum.
	(mips_split_64bit_move_p, mips_split_doubleword_move): Delete.
	(mips_split_move_p, mips_split_move, mips_split_move_insn_p)
	(mips_split_move_insn): Declare.
	* config/mips/mips.c (mips_tuning_info): New variable.
	(mips_load_store_insns): Use mips_split_move_insn_p instead of
	mips_split_64bit_move_p.
	(mips_emit_move_or_split, mips_mult_move_p): New functions.
	(mips_split_64bit_move_p): Rename to...
	(mips_split_move_p): ...this and take a mips_split_type argument.
	Generalize to all moves.  Call mips_mult_move_p.
	(mips_split_doubleword_move): Rename to...
	(mips_split_move): ...this and take a mips_split_type argument.
	Assert that mips_split_move_p holds.
	(mips_insn_split_type, mips_split_move_insn_p, mips_split_move_insn):
	New functions.
	(mips_output_move): Use mips_split_move_p instead of
	mips_split_64bit_move_p.  Handle MULT $0, $0 moves.
	(mips_save_reg): Use mips_emit_move_or_split.
	(mips_sim_reset): Assign to curr_state.  Call targetm.sched.init
	and advance_state.
	(mips_sim_init): Call targetm.sched.init_dfa_pre_cycle_insn and
	targetm.sched.init_dfa_post_cycle_insn, if defined.
	(mips_sim_next_cycle): Assign to curr_state.  Use advance_state
	instead of state_transition.
	(mips_sim_issue_insn): Assign to curr_state.  Use
	targetm.sched.variable_issue to see how many more insns can be issued.
	(mips_seq_time, mips_mult_zero_zero_cost)
	(mips_set_fast_mult_zero_zero_p, mips_set_tuning_info)
	(mips_expand_to_rtl_hook): New functions.
	(TARGET_EXPAND_TO_RTL_HOOK): Define.
	* config/mips/mips.md (move_type): Add imul.
	(type): Map imul move_types to imul.
	(*movdi_32bit, *movti): Add imul alternatives.
	Use mips_split_move_insn_p and mips_split_move_insn instead of
	mips_split_64bit_move_p and mips_split_doubleword_move in move
	splitters.

2012-10-06  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.c (print_operand) ['A']: Delete.

2012-10-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/52764
	* ginclude/stdint-wrap.h: In C++11 if __STDC_HOSTED__ define
	__STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS.
	* ginclude/stdint-gcc.h: In C++11 unconditionally define
	limit and constant macros.

2012-10-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54249
	* ginclude/stddef.h: In C++11 mode declare nullptr_t in the global
	namespace.

2012-10-06  Jan Hubicka  <jh@suse.cz>

	PR lto/53831
	PR lto/54776
	* lto-streamer-out.c (produce_symtab): Cleanup; drop v1 API hack.

2012-10-06  Dehao Chen  <dehao@google.com>

	PR debug/54826
	* gimple-low.c (lower_stmt): Set the block for call args.

2012-10-06  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi (-fprofile-report): Document.
	* common.opt (-fprofile-report): New option.
	* toplev.c (finalize): Call dump_profile_report.
	* toplev.h (profile_report): Declare.
	* passes.c (profile_record): New static var.
	(check_profile_consistency): New function.
	(dump_profile_record): New function.
	(execute_one_ipa_transform_pass): Call check_profile_consistency.
	(execute_one_pass): Likewise.

2012-10-06  Jan Hubicka  <jh@suse.cz>

	PR lto/54790
	* lto-streamer.h (lto_symtab_register_decl, lto_symtab_get_resolution,
	lto_mark_nothrow_fndecl, lto_fixup_nothrow_decls): Remove.
	* lto-symtab.c (lto_symtab_register_decl): Remove.

2012-10-06  Andreas Schwab  <schwab@linux-m68k.org>

	PR rtl-optimization/54739
	* config/m68k/m68k.md (anddi3, iordi3, xordi3, one_cmpldi2): Remove.

2012-10-06  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54760
	* config/sh/sh.md (define_constants): Add UNSPECV_GBR.
	(get_thread_pointer, set_thread_pointer): New expanders.
	(load_gbr): Rename to store_gbr.  Remove GBR_REG use.
	(store_gbr): New insn.
	* config/sh/sh.c (prepare_move_operands): Use gen_store_gbr instead of
	gen_load_gbr in TLS_MODEL_LOCAL_EXEC case.
	(sh1_builtin_p): New function.
	(signature_args): Add SH_BLTIN_VP.
	(bdesc): Add __builtin_thread_pointer and __builtin_set_thread_pointer.

2012-10-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR rtl-optimization/54739
	* config/pa/pa.md: Remove DImode and, not and, ior and xor patterns
	for 32-bit targets.  Adjust expanders.

	* config/pa/pa.md: Adjust unamed HImode add insn pattern.

2012-10-05  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.c (builtin_description): Add is_enabled member.
	(shmedia_builtin_p): New function.
	(bdesc): Use shmedia_builtin_p for existing built-ins.
	(sh_media_init_builtins, sh_init_builtins): Merge into single function
	sh_init_builtins.  Add is_enabled checking.  Move variable declarations
	to where they are actually used.
	(sh_media_builtin_decl, sh_builtin_decl): Merge into single function
	sh_builtin_decl.  Add is_enabled checking.
	(sh_expand_builtin): Move variable declarations to where they are
	actually used.

2012-10-05  Jakub Jelinek  <jakub@redhat.com>

	* tree-inline.c (expand_call_inline): Move VAR_DECLs with
	PARM_DECL origins from remapped DECL_INITIAL's BLOCK_VARS
	into id->block's BLOCK_VARS.

	PR debug/54519
	* ipa-split.c (split_function): Add debug args and debug source
	and normal stmts for args_to_skip which are gimple regs.
	* tree-inline.c (copy_debug_stmt): When inlining, adjust source
	debug bind stmts to debug binds of corresponding DEBUG_EXPR_DECL.

2012-10-05  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md: Fix indentations of insn C snippets.

2012-10-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54811
	* tree-ssa-live.c (clear_unused_block_pointer_1): Look at
	DECL_DEBUG_EXPR again.

2012-10-05  Jan Hubicka  <jh@suse.cz>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/33763
	* tree-inline.c (expand_call_inline): Silently ignore always_inline
	attribute for redefined extern inline functions.

2012-10-04  Jan Hubicka  <jh@suse.cz>

	* tree-vectorizer.h (vect_estimate_min_profitable_iters): Remove.
	* tree-vect-loop.c (vect_estimate_min_profitable_iters): Declare here.
	(vect_analyze_loop_operations): Use loop count estimate to rule out
	unprofitable vectorization.
	(vect_estimate_min_profitable_iters): Return
	ret_min_profitable_estimate.

2012-10-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54810
	* tree-vrp.c (register_edge_assert_for_2): Handle
	NAME = (unsigned) NAME2; if (NAME cmp CST) for
	narrowing casts to unsigned integral type like
	NAME = NAME2 & CST2; if (NAME cmp CST) where CST2
	is the max value of the unsigned integral type.

2012-10-04  Jeff Law  <law@redhat.com>

	PR target/50356
	* config/h8300/h8300.c (h8300_rtx_costs): Fix typo in CONST_INT case.

2012-10-04  Jason Merrill  <jason@redhat.com>

	* config/rs6000/rs6000.c (rs6000_code_end): Protect the use of
	ASM_WEAKEN_DECL with #if RS6000_WEAK.

2012-10-04  Basile Starynkevitch  <basile@starynkevitch.net>

	* gengtype.c (walk_type): Emit mark_hook when inside a
	struct of a union member.

2012-10-04  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/predicates.md (flash_operand): New predicate.
	* config/avr/avr.md (reload_in<mode>): Use it in operand 1 instead
	of memory_operand.

2012-10-04  Tobias Burnus  <burnus@net-b.de>

	* gcc.c (record_temp_file, add_sysrooted_prefix, process_command,
	do_self_spec, compare_debug_dump_opt_spec_function): Plug memleaks.
	(do_spec_1): Ditto, fix out-of-bound access.
	* opts.c (common_handle_option): Plug memleak.

2012-10-04  Jason Merrill  <jason@redhat.com>

	* config/darwin.c (darwin_assemble_visibility): Treat
	VISIBILITY_INTERNAL as hidden.

	* config/darwin-c.c (find_subframework_file): Add missing const.
	(framework_construct_pathname): Likewise.

2012-10-04  Florian Weimer  <fweimer@redhat.com>

	* doc/cpp.texi (Pragmas): Document #pragma GCC warning, #pragma
	GCC error.

2012-10-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54735
	* tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
	cleaning up the CFG.

2012-10-04  Richard Guenther  <rguenther@suse.de>

	PR lto/47799
	* tree-streamer-out.c (write_ts_block_tree_pointers): For
	inlined functions outer scopes write the ultimate origin
	as BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION.
	Do not stream the fragment chains.
	* tree-streamer-in.c (lto_input_ts_block_tree_pointers): Likewise.
	* dwarf2out.c (gen_subprogram_die): Handle NULL DECL_INITIAL.
	(dwarf2out_decl): Always output DECL_ABSTRACT function decls.

2012-10-04  Arnaud Charlet  <charlet@adacore.com>

	* dumpfile.h, dumpfile.c: Remove TDI_ada.

2012-10-04  Yuri Rumyantsev  <ysrumyan@gmail.com>

	* config/i386/i386.c (ix86_dep_by_shift_count_body) : Add
	check on reload_completed since it can be invoked before
	register allocation phase in pre-reload schedule.
	(ia32_multipass_dfa_lookahead) : Do not use dfa_lookahead for
	pre-reload schedule to save compile time.
	(ix86_sched_reorder) : Do not perform ready list reordering for
	pre-reload schedule to save compile time.
	(insn_is_function_arg) : New function. Returns true if lhs of insn is
	HW function argument register.
	(add_parameter_dependencies) : New function. Add output dependencies
	for chain of function adjacent arguments if only there is a move to
	likely spilled HW registers. Return first argument if at least one
	dependence was added or NULL otherwise.
	(avoid_func_arg_motion) : New function. Add output or anti dependency
	from insn to first_arg to restrict code motion.
	(add_dependee_for_func_arg) : New function. Avoid cross block motion of
	function argument through adding dependency from the first non-jump
	insn in bb.
	(ix86_dependencies_evaluation_hook) : New function. Hook for
	pre-reload schedule: avoid motion of function arguments passed in
	likely spilled HW registers.
	(ix86_adjust_priority) : New function. Hook for pre-reload schedule:
	set priority of moves from likely spilled HW registers to maximum to
	schedule them as soon as possible.
	(ix86_sched_init_global): Do not perform multipass scheduling for
	pre-reload schedule to save compile time.

2012-10-04  Uros Bizjak  <ubizjak@gmail.com>

	* configure.ac (noexception_flags): Add -fasynchronous-unwind-tables.
	* configure: Regenerate.

2012-10-04  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_can_use_simple_return_p): Return false for
	SHmedia	and SHcompact using call cookie.
	* config/sh/sh.md (epilogue): Emit non-inlined return insns for
	SHmedia	and SHcompact using call cookie.

2012-10-03  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/51244
	* config/sh/sh.md (*mov_t_msb_neg): New insn and two accompanying
	unnamed split patterns.

2012-10-03  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/50457
	* config/sh/sh.c (parse_validate_atomic_model_option): Handle name
	strings in sh_atomic_model.
	* config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Move macro implementation
	to ...
	* config/sh/sh-c.c (sh_cpu_cpp_builtins): ... this new function.
	Add __SH1__ and __SH2__ defines.  Add __SH_ATOMIC_MODEL_*__ define.
	* config/sh/sh-protos.h (sh_atomic_model): Add name and cdef_name
	variables.
	(sh_cpu_cpp_builtins): Declare new function.

2012-10-03  Dehao Chen  <dehao@google.com>

	PR middle-end/54782
	* tree-cfg.c (move_block_to_fn): Update lexical block for phi_args.

2012-10-03  Vladimir Makarov  <vmakarov@redhat.com>

	* reginfo.c (max_regno_since_last_resize): New.
	(reg_preferred_class, reg_alternate_class): Add assert.
	(allocate_reg_info): Initialize allocated reg info.
	(resize_reg_info): Make bigger reg_info and initialize new memory.
	(reginfo_init): Initialize max_regno_since_last_resize.
	(setup_reg_classes): Change assert.

2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
	in SSE and YMM state support check for -march=native.

2012-10-03  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (struct decl_chain): New local structure.
	(warned_decls): New local variable.  Contains a stack of decls for
	which warnings have been issued.
	(add_warned_decl): Adds a decl to the stack.
	(already_warned): Returns true if a given decl is on the stack.
	(rx_set_current_function): Issue a warning if multiple fast
	interrupt handlers are defined.
	* config/rx/rx.opt (mwarn-multiple-fast-interrupts): New option.
	* doc/invoke.texi: Document the option.

2012-10-03  Mark Kettenis  <kettenis@openbsd.org>

	* config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
	default_use_cxa_atexit to yes.

2012-10-03  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/54792
	* sched-deps.c (find_modifiable_mems): Scan also TAIL insn.

2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/54785
	* doc/invoke.texi: Document -mprefer-avx128.

2012-10-02  Andrew Pinski  <apinski@cavium.com>

	* simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
	Don't optimize a truncate of a mem if it is a vector mode.

2012-10-02  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54551
	* Makefile.in (VALTRACK_H): Add hash-table.h.
	* valtrack.h: Include hash-table.h.
	(struct dead_debug_global_entry): New.
	(struct dead_debug_hash_descr): New.
	(struct dead_debug_global): New.
	(struct dead_debug): Rename to...
	(struct dead_debug_local): ... this.  Adjust all uses.
	(dead_debug_global_init, dead_debug_global_finish): New.
	(dead_debug_init): Rename to...
	(dead_debug_local_init): ... this.  Adjust all callers.
	(dead_debug_finish): Rename to...
	(dead_debug_local_finish): ... this.  Adjust all callers.
	* valtrack.c (dead_debug_global_init): New.
	(dead_debug_init): Rename to...
	(dead_debug_local_init): ... this.  Take global parameter.
	Save it and initialize used bitmap from it.
	(dead_debug_global_find, dead_debug_global_insert): New.
	(dead_debug_global_replace_temp): New.
	(dead_debug_promote_uses): New.
	(dead_debug_finish): Rename to...
	(dead_debug_local_finish): ... this.  Promote remaining uses.
	(dead_debug_global_finish): New.
	(dead_debug_add): Try to replace global temps first.
	(dead_debug_insert_temp): Support global replacements.
	* dce.c (word_dce_process_block, dce_process_block): Add
	global_debug parameter.  Pass it on.
	(fast_dce): Initialize, pass on and finalize global_debug.
	* df-problems.c (df_set_unused_notes_for_mw): Adjusted.
	(df_create_unused_notes, df_note_bb_compute): Likewise.
	(df_note_compute): Justify local-only dead debug analysis.

2012-10-02  Alexandre Oliva <aoliva@redhat.com>

	PR debug/53135
	* dwarf2out.c (value_format): Use block4 for dw_val_class_loc
	when needed.

2012-10-02  Alexandre Oliva <aoliva@redhat.com>

	PR debug/54177
	* var-tracking.c (vt_add_function_parameter): Bail if
	var_lowpart fails.

2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/54741
	* config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
	(XSTATE_FP): Likewise.
	(XSTATE_SSE): Likewise.
	(XSTATE_YMM): Likewise.
	(host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
	SSE and YMM states aren't supported.

2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (*baddu_si_eb, *baddu_si_el): Merge into...
	(*baddu_si): ...this new pattern.

2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* ira-int.h (target_ira_int): Add x_ira_useful_class_mode_regs.
	(ira_useful_class_mode_regs): New macro.
	* ira.c (clarify_prohibited_class_mode_regs): Set up
	ira_useful_class_mode_regs.
	* ira-color.c (setup_profitable_hard_regs): Use it to initialise
	profitable_hard_regs.

2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* ira.h (target_ira): Add x_ira_class_singleton.
	(ira_class_singleton): New macro.
	* ira.c (setup_prohibited_class_mode_regs): Set up ira_class_singleton.
	* ira-build.c (update_conflict_hard_reg_costs): Use
	ira_class_singleton to check for classes with a single
	allocatable register.
	* ira-lives.c (ira_implicitly_set_insn_hard_regs): Likewise.
	(single_reg_class): Likewise.  When more than one class is specified,
	check whether they have the same singleton register.
	(process_single_reg_class_operands): Require single_reg_class
	to return NO_REGS or a class with a single allocatable register.
	Obtain that register from ira_class_singleton.

2012-10-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): If
	-mcpu=<xxx> is not specified and the compiler is not configured
	using --with-cpu=<xxx>, use the bits from the TARGET_DEFAULT to
	set the initial options.

2012-10-02  Sharad Singhai  <singhai@google.com>

	PR testsuite/54772
	* tree-vect-stmts.c (vectorizable_operation): Add missing return.

2012-10-02  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
	set TARGET_ALTIVEC_VRSAVE for TARGET_ELF.
	(rs6000_stack_info): Only set vrsave_mask if TARGET_ALTIVEC_VRSAVE.

2012-10-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54713
	* expr.c (categorize_ctor_elements_1): Don't assume purpose is
	non-NULL.
	* tree-cfg.c (verify_gimple_assign_single): Add verification of
	vector CONSTRUCTORs.
	* tree-ssa-sccvn.c (vn_reference_lookup_3): For VECTOR_TYPE
	CONSTRUCTORs, don't do anything if element type is VECTOR_TYPE,
	and don't check index.
	* tree-vect-slp.c (vect_get_constant_vectors): VIEW_CONVERT_EXPR ctor
	elements first if their type isn't compatible with vector element type.

2012-10-02  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h (DECL_NONLOCAL_FRAME): New macro.
	* tree-nested.c (get_frame_type): Set DECL_NONLOCAL_FRAME.
	* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Stream in
	DECL_NONLOCAL_FRAME flag.
	* tree-streamer-out.c (pack_ts_decl_common_value_fields): Stream out
	DECL_NONLOCAL_FRAME flag.

2012-10-02  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c (forward_propagate_into_cond): Don't use
	boolean_type_node for vectors.

2012-10-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (toplevel): Include dumpfile.h.
	(rs6000_density_test): Rework to accommodate 09-30 change by
	Sharad Singhai.

	* config/rs6000/t-rs6000 (rs6000.o): Add dumpfile.h dependency.

2012-10-01  Dehao Chen  <dehao@google.com>

	PR middle-end/54759
	* tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Use
	LOCATION_LOCUS to compare with UNKNOWN_LOCATION.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	* tree-vectorizer.c (vectorize_loops): Likewise.

2012-10-01  Andrew MacLeod  <amacleod@redhat.com>

	PR target/54087
	* optabs.c (expand_atomic_fetch_op_no_fallback): New.  Factored code
	from expand_atomic_fetch_op.
	(expand_atomic_fetch_op):  Try atomic_{add|sub} operations in terms of
	the other one if direct opcode fails.

2012-10-01  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/54457
	* simplify-rtx.c (simplify_subreg):
	Simplify (subreg:M (op:N ((x:N) (y:N)), 0)
	to (op:M (subreg:M (x:N) 0) (subreg:M (x:N) 0)), where
	the outer subreg is effectively a truncation to the original mode M.

2012-10-01  Richard Guenther  <rguenther@suse.de>

	* builtins.def (ATTR_MATHFN_FPROUNDING): Do not use no-vops
	with -frounding-math.
	* builtin-attrs.def (ATTR_PURE_NOTHROW_NOVOPS_LIST): Remove.
	(ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST): Likewise.

2012-10-01  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h (copy_mem_ref_info): Delete.
	* tree-ssa-address.c (copy_mem_ref_info): Likewise.
	(maybe_fold_tmr): Copy flags manually.
	* tree-ssa-loop-im.c (simple_mem_ref_in_stmt): Rewrite.

2012-10-01  Marc Glisse  <marc.glisse@inria.fr>

	* simplify-rtx.c (simplify_binary_operation_1) <VEC_SELECT>:
	Detect the identity.
	<VEC_CONCAT>: Handle VEC_SELECTs from the same vector.

2012-10-01  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/50457
	* config/sh/sh.opt (matomic-model): New option.
	(msoft-atomic): Mark as deprecated and alias to
	matomic-model=soft-gusa.
	(mhard-atomic): Delete.
	* config/sh/predicates.md (gbr_displacement): New predicate.
	* config/sh/sh-protos.h (sh_atomic_model): New struct.
	(selected_atomic_model): New declaration.
	(TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT, TARGET_ATOMIC_SOFT_GUSA,
	TARGET_ATOMIC_HARD_LLCS, TARGET_ATOMIC_SOFT_TCB,
	TARGET_ATOMIC_SOFT_TCB_GBR_OFFSET_RTX, TARGET_ATOMIC_SOFT_IMASK):
	New macros.
	* config/sh/linux.h (SUBTARGET_OVERRIDE_OPTIONS): Adapt setting to
	default atomic model.
	* config/sh/sh.c (selected_atomic_model_): New global variable.
	(selected_atomic_model, parse_validate_atomic_model_option): New
	functions.
	(sh_option_override): Replace atomic selection checks with call to
	parse_validate_atomic_model_option.
	* config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
	UNSUPPORTED_HARD_ATOMIC_CPU): Delete.
	(DRIVER_SELF_SPECS): Remove atomic checks.
	config/sh/sync.md: Update documentation comments.
	(atomic_compare_and_swap<mode>, atomic_exchange<mode>,
	atomic_fetch_<fetchop_name><mode>, atomic_fetch_nand<mode>,
	atomic_<fetchop_name>_fetch<mode>, atomic_nand_fetch<mode>): Use
	TARGET_ATOMIC_ANY as condition.  Add TARGET_ATOMIC_STRICT check for
	SH4A case.  Handle new TARGET_ATOMIC_SOFT_TCB and
	TARGET_ATOMIC_SOFT_IMASK cases.
	(atomic_test_and_set): Handle new TARGET_ATOMIC_SOFT_TCB and
	TARGET_ATOMIC_SOFT_IMASK cases.
	(atomic_compare_and_swapsi_hard, atomic_exchangesi_hard,
	atomic_fetch_<fetchop_name>si_hard, atomic_fetch_nandsi_hard,
	atomic_<fetchop_name>_fetchsi_hard, atomic_nand_fetchsi_hard):
	Add TARGET_ATOMIC_STRICT check.
	(atomic_compare_and_swap<mode>_hard, atomic_exchange<mode>_hard,
	atomic_fetch_<fetchop_name><mode>_hard, atomic_fetch_nand<mode>_hard,
	atomic_<fetchop_name>_fetch<mode>_hard, atomic_nand_fetch<mode>_hard,
	atomic_test_and_set_hard): Use TARGET_ATOMIC_HARD_LLCS condition.
	(atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
	atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
	atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
	atomic_test_and_set_soft): Append _gusa to the insn names and use
	TARGET_ATOMIC_SOFT_GUSA as condition.
	(atomic_compare_and_swap<mode>_soft_tcb,
	atomic_exchange<mode>_soft_tcb,
	atomic_fetch_<fetchop_name><mode>_soft_tcb,
	atomic_fetch_nand<mode>_soft_tcb,
	atomic_<fetchop_name>_fetch<mode>_soft_tcb,
	atomic_nand_fetch<mode>_soft_tcb, atomic_test_and_set_soft_tcb):
	New insns.
	(atomic_compare_and_swap<mode>_soft_imask,
	atomic_exchange<mode>_soft_imask,
	atomic_fetch_<fetchop_name><mode>_soft_imask,
	atomic_fetch_nand<mode>_soft_imask,
	atomic_<fetchop_name>_fetch<mode>_soft_imask,
	atomic_nand_fetch<mode>_soft_imask, atomic_test_and_set_soft_imask):
	New insns.
	* doc/invoke.texi (SH Options): Document new matomic-model option.
	Remove msoft-atomic and mhard-atomic options.

2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/54746
	* config/s390/s390.c (s390_option_override): Add missing break.

2012-09-30  Sharad Singhai  <singhai@google.com>

	* dumpfile.c: New file with parts moved from tree-dump.c.
	(pflags): New variable.
	(alt_flags): Ditto.
	(alt_dump_file): Ditto.
	(dump_files):  Update to include additional fields.
	(struct dump_option_value_info): Add additional entries.
	(get_dump_file_name): Use command line filename if available.
	(dump_open_alternate_stream): New function.
	(dump_loc): Ditto.
	(dump_gimple_stmt): Ditto.
	(dump_gimple_stmt_loc): Ditto.
	(dump_generic_expr): Ditto.
	(dump_generic_expr_loc): Ditto.
	(dump_printf): Ditto.
	(dump_printf_loc): Ditto.
	(dump_start): Ditto.
	(dump_finish): Ditto.
	(dump_begin): Ditto.
	(dump_enabled_p): Return true if either of the dump types is enabled.
	(dump_initialized_p): Return true if either type of dump is
	initialized.
	(dump_end): Do not close standard streams.
	(dump_enable_all): Handle filenames for regular dumps.
	(dump_switch_p_1): Handle command-line dump filenames.
	(opt_info_enable_all): New function.
	(opt_info_switch_p_1): Ditto.
	(opt_info_switch_p): Ditto.
	(dump_kind_p): Ditto.
	(dump_basic_block): Ditto.
	(dump_combine_total_stats): Ditto.
	(dump_remap_tree_vectorizer_verbose): Ditto.
	* gimple-pretty-print.h: Rename dump_gimple_stmt to
	pp_gimple_stmt_1.  All callers updated.

2012-09-30  Sharad Singhai  <singhai@google.com>

	* doc/invoke.texi: Add documentation for the new -fopt-info option.
	* tree-dump.c: Move general dump file related functionality into
	dumpfile.c. Remove unneeded headers.
	* tree-dump.h: Move function declarations into dumpfile.h.
	* dumpfile.h: Include "line-map.h". Add defines for MSG flags.
	(struct dump_file_info): Move here from tree-dump.c.  Rename flags
	to pflags, state to pstate, stream to pstream, filename to
	pfilename. All callers updated. Add alt_flags, alt_state,
	alt_filenmae, alt_stream.
	* tree-vectorizer.c: Include "dumpfile.h". Remove vect_dump.
	(vect_set_dump_settings): Remove.
	(vect_print_dump_info): Ditto.
	* tree-vectorizer.h: Remove declaration of vect_dump and
	vect_print_dump_info.
	* tree-vect-loop.c: Include "dumpfile.h". Use new dump style.
	* tree-vect-data-refs.c: Ditto.
	* tree-vect-stmts.c: Ditto.
	* tree-vect-slp.c: Ditto.
	* tree-vect-patterns.c: Ditto.
	* tree-vect-loop-manip.c: Ditto.
	* opts.c (vect_set_verbosity_level): Remove.
	(common_handle_option): Handle -fopt-info flag. Deprecate
	-ftree-vectorizer-verbose.
	* tree-parloops.c (gather_scalar_reductions): Remove reference to
	vect_dump.
	* flag-types.h: Remove vect_verbosity_levels.
	* common.opt: Add -fopt-info. Deprecate -ftree-vectorizer-verbose.
	* opts-global.c (dump_remap_tree_vectorizer_verbose): New function.
	(handle_common_deferred_options): Handle -fopt-info and
	-ftree-vectorizer-verbose.
	* Makefile.in: Add dumpfile.o.
	(tree-dump.o): Update dependencies.
	(tree-vect-loop.o): Ditto.
	(tree-vect-loop-manip.o): Ditto.
	(tree-vect-slp.o): Ditto.
	(tree-vect-stmts.o): Ditto.
	(tree-vectorizer.o): Ditto.
	(opts.o): Ditto.
	* passes.c (finish_optimization_passes): Instead of using
	dump_begin/dump_end, use dump_start/dump_finish. Do not use dump_file.
	(pass_init_dump_file): Ditto.

2012-09-30  Joern Rennecke  <joern.rennecke@embecosm.com>

	PR rtl-optimization/38449:
	* hooks.c (hook_bool_const_rtx_const_rtx_true): New function.
	* hooks.h (hook_bool_const_rtx_const_rtx_true): Declare.
	* target.def: Merge in definitions and documentation for
	TARGET_CAN_FOLLOW_JUMP.
	* doc/tm.texi.in: Add documentation locations for the above.
	* doc/tm.texi: Regenerate.
	* reorg.c (follow_jumps): New parameters jump and crossing.
	Changed all callers.

2012-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* reorg.c (relax_delay_slots): Use delay_insn consistently.

	* config/sparc/sparc.c (gen_stack_pointer_dec): Delete.
	(sparc_expand_epilogue): Use gen_stack_pointer_inc and adjust.
	(sparc_flat_expand_epilogue): Likewise.
	(emit_and_preserve): Likewise.
	(sparc_fold_builtin): Fix thinko in latest change.

2012-09-30  Andreas Schwab  <schwab@linux-m68k.org>

	* config/m68k/m68k.md: Add names to bitfield insert and extract
	insns.
	(*insv_8_16_reg): Remove constraints and conditions that assume
	that operand 0 could be a MEM.
	(*extzv_8_16_reg, *extv_8_16_reg): Likewise, for operand 1.

2012-09-30  Jan Hubicka  <jh@suse.cz>

	* cfgloop.c (scale_loop_profile): Move to...
	* cfgloopmanip.c (scale_loop_profile): .. here; use
	scale_loop_frequencies.
	(loopify): Use RDIV.

2012-09-28  Jan Hubicka  <jh@suse.cz>

	* tree-call-cdce.c (shrink_wrap_one_built_in_call): Update profile.

2012-09-28  Jan Hubicka  <jh@suse.cz>

	* function.c (dup_block_and_redirect): Update profile.

2012-09-29  Andreas Tobler  <andreast@fgznet.ch>

	* config.gcc: Replace 'host' with 'target' when configuring for
	powerpc64*-*-freebsd.

2012-09-29  Marc Glisse  <marc.glisse@inria.fr>

	* tree.c (truth_type_for): New function.
	* tree.h (truth_type_for): Declare.
	* gimple-fold.c (and_comparisons_1): Call it.
	(or_comparisons_1): Likewise.
	* tree-ssa-forwprop.c (forward_propagate_into_cond): Don't use
	boolean_type_node for vectors.

2012-09-28  Jan Hubicka  <jh@suse.cz>

	* basic-block.h (RDIV): Define.
	(EDGE_FREQUENCY): Simplify.
	(check_probability, combine_probabilities, apply_probability,
	inverse_probability): New.
	* cfgloop.c (scale_loop_profile): New function.
	* cfgloop.h (scale_loop_profile): Declare.
	(slpeel_add_loop_guard): Add probability parameter.
	(set_prologue_iterations): Add probability parameter.
	(slpeel_tree_peel_loop_to_edge): Add bound1 and bound2 parameters;
	update probabilities correctly.
	(vect_do_peeling_for_alignment, vect_gen_niters_for_prolog_loop): New.

2012-09-20  Bernd Schmidt  <bernds@codesourcery.com>

	PR bootstrap/54688
	* sched-deps.c (parse_add_or_inc): Remove MINUS handling.  Take
	STACK_GROWS_DOWNWARD into account.

2012-09-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/54716
	* config/i386/predicates.md (nonimmediate_or_const_vector_operand):
	New predicate.
	* config/i386/i386.c (ix86_expand_vector_logical_operator): New
	function.
	* config/i386/i386-protos.h (ix86_expand_vector_logical_operator): New
	prototype.
	* config/i386/sse.md (<code><mode>3 VI logic): Use it.

	PR tree-optimization/54713
	* fold-const.c (vec_cst_ctor_to_array): Give up if vector CONSTRUCTOR
	has vector elements.
	(fold_ternary_loc) <case BIT_FIELD_REF>: Likewise.
	* tree-vect-generic.c (vector_element): Don't rely on CONSTRUCTOR elts
	indexes.  Use BIT_FIELD_REF if CONSTRUCTOR has vector elements.
	(lower_vec_perm): Use NULL_TREE CONSTRUCTOR indexes.

2012-09-28  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (adjust_len): Add lpm.
	(reload_in<mode>): Use avr_out_lpm for output.  Use "lpm" for
	adjust_len.
	* config/avr/avr-protos.h (avr_out_lpm): New prototype.
	* config/avr/avr.c (avr_out_lpm): Make global.
	(adjust_insn_length): Handle ADJUST_LEN_LPM.

2012-09-28  Richard Guenther  <rguenther@suse.de>

	PR lto/47799
	* lto-streamer-out.c (tree_is_indexable): Make PARM_DECLs global.
	(lto_output_tree_ref): Handle references to them.
	(output_function): Do not output function arguments again.
	* lto-streamer-in.c (input_function): Do not input arguments
	again, nor overwrite them.

2012-09-28  Richard Guenther  <rguenther@suse.de>

	* cgraph.h (symtab_node_base): Re-order and pack fields.

2012-09-28  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.

2012-09-28  Georg-Johann Lay  <avr@gjlay.de>

	PR rtl-optimization/52543
	* config/avr/avr.c (avr_mode_dependent_address_p): Return true for
	all non-generic address spaces.
	(TARGET_SECONDARY_RELOAD): New hook define to...
	(avr_secondary_reload): ...this new static function.
	* config/avr/avr.md (reload_in<mode>): New insns.

	Undo r185605 (mostly):
	* config/avr/avr-protos.h (avr_load_lpm): Remove.
	* config/avr/avr.c (avr_load_libgcc_p): Don't restrict to __flash
	loads.
	(avr_out_lpm): Also handle loads > 1 byte.
	(avr_load_lpm): Remove.
	(avr_find_unused_d_reg): New static function.
	(avr_out_lpm_no_lpmx): New static function.
	(adjust_insn_length): Remove ADJUST_LEN_LOAD_LPM.
	* config/avr/avr.md (unspec): Remove UNSPEC_LPM.
	(load_<mode>_libgcc): Use MEM instead of UNSPEC_LPM.
	(load_<mode>, load_<mode>_clobber): Remove.
	(mov<mode>): For multi-byte move from non-generic
	16-bit address spaces: Expand to *mov<mode> again.
	(load<mode>_libgcc): New expander.
	(split-lpmx): Remove split.

2012-09-27  Dehao Chen  <dehao@google.com>

	* tree.h (tree_constructor): Remove IS_UNKNOWN_LOCATION.
	(extern void protected_set_expr_location): Likewise.
	(function_args_iter_next): Likewise.
	(inlined_function_outer_scope_p): Likewise.
	* input.h (IS_UNKNOWN_LOCATION): Likewise.
	* fold-const.c (expr_location_or): Likewise.
	* lto-cgraph.c (output_node_opt_summary): Likewise.
	* dwarf2out.c (add_src_coords_attributes): Likewise.
	* tree-eh.c (lower_try_finally_dup_block): Likewise.
	* profile.c (branch_prob):
	* cfgexpand.c (expand_gimple_cond): Likewise.
	(expand_gimple_basic_block): Likewise.
	(construct_exit_block): Likewise.
	(gimple_expand_cfg): Likewise.
	* cfgcleanup.c (try_forward_edges): Likewise.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
	(dump_scope_block): Likewise.
	* ipa-prop.c (ipa_write_jump_function): Likewise.
	* rtl.h (extern void rtl_check_failed_flag): Likewise.
	* gimple.h (gimple_set_location): Likewise.
	(gimple_has_location): Likewise.
	* cfgrtl.c (unique_locus_on_edge_between_p): Likewise.
	(force_nonfallthru_and_redirect): Likewise.
	(fixup_reorder_chain): Likewise.
	(cfg_layout_merge_blocks): Likewise.

2012-09-27  Meador Inge  <meadori@codesourcery.com>

	* gcc-ar.c (main): Handle the returning of the sub-process error
	code correctly.

2012-09-27  Ulrich Weigand  <ulrich.weigand@linaro.org>

	* lower-subreg.c (enum classify_move_insn): Rename
	SIMPLE_PSEUDO_REG_MOVE to DECOMPOSABLE_SIMPLE_MOVE.
	(find_decomposable_subregs): Update.
	(decompose_multiword_subregs): Add DECOMPOSE_COPIES parameter.
	Only mark pseudo-to-pseudo copies as DECOMPOSABLE_SIMPLE_MOVE
	if that parameter is true.
	(rest_of_handle_lower_subreg): Call decompose_multiword_subregs
	with DECOMPOSE_COPIES false.
	(rest_of_handle_lower_subreg2): Call decompose_multiword_subregs
	with DECOMPOSE_COPIES true.

2012-09-27  Marek Polacek  <polacek@redhat.com>

	* doc/gcov.texi (Gcov Data Files): Fix a typo.

2012-09-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/54703
	* simplify-rtx.c (simplify_binary_operation_1): Perform
	(x - (x & y)) -> (x & ~y) optimization only for integral modes.

2012-09-27  Marc Glisse  <marc.glisse@inria.fr>

	PR c/53024
	PR c++/54427
	* doc/extend.texi (Vector Extensions): C++ improvements.
	Power of 2 size requirement.

2012-09-27  Richard Guenther  <rguenther@suse.de>

	PR lto/54709
	* lto-symtab.c (resolution_guessed_p): Remove.
	(set_resolution_guessed): Likewise.
	(lto_symtab_register_decl): Remove assert.
	(lto_symtab_resolve_symbols): Do not alter symbol resolutions
	and return the prevailing symbol, checking for multiple prevailing
	symbols here.
	(lto_symtab_merge_decls_1): Use the result from
	lto_symtab_resolve_symbols.  Do not alter symbol resolutions.

2012-09-26  Steve Ellcey  <sellcey@mips.com>

	PR web/54711
	* doc/install.texi: Fix example.

2012-09-26  Dehao Chen  <dehao@google.com>

	 * tree-ssa-live.c (clear_unused_block_pointer): Use explicitit (void)
	for function parameter.
	(remove_unused_locals): Don't use LOCATION_BLOCK if it is NULL.

2012-09-26  Oleg Endo  <olegendo@gcc.gnu.org>

	* doc/extend.texi (bswap Builtins): Change signed types to unsigned
	types.

2012-09-26  Ian Lance Taylor  <iant@google.com>

	* diagnostic.c (bt_callback): Cast pc when calling fprintf.

2012-09-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/54674
	* gimple-ssa-strength-reduction.c (analyze_increments): Don't
	introduce a multiplication with a pointer operand.

2012-09-26  Georg-Johann Lay  <avr@gjlay.de>

	PR middle-end/54635
	* doc/tm.texi.in (TARGET_MODE_DEPENDENT_ADDRESS_P): Document new
	parameter addrspace.
	* doc/tm.texi: Regenerate.
	* target.def (mode_dependent_address_p): Add addr_space_t parameter.
	* targhooks.h (default_mode_dependent_address_p): Ditto.
	* targhooks.c (default_mode_dependent_address_p): Ditto.
	* expr.c (convert_move): Pass address space to
	mode_dependent_address_p.
	* combine.c (combine_simplify_rtx): Ditto.
	(make_extraction): Ditto.
	(simplify_shift_const_1): Ditto.
	(gen_lowpart_for_combine): Ditto.
	* lower-subreg.c (simple_move_operand): Ditto.
	* recog.c (simplify_while_replacing): Ditto.
	(offsettable_address_addr_space_p): Ditto.
	(mode_dependent_address_p): Ditto.
	* simplify-rtx.c (simplify_unary_operation_1): Ditto.
	(simplify_subreg): Ditto.
	* config/m68k/m68k.md: Ditto.
	* config/vax/vax.md: Ditto.
	* config/vax/constraints.md (Q): Ditto.
	* config/vax/predicates.md (indexed_memory_operand): Ditto.
	* config/alpha/alpha.c (alpha_mode_dependent_address_p): Add
	unused addr_space_t parameter.
	* config/avr/avr.c (avr_mode_dependent_address_p): Ditto.
	* config/h8300/h8300.c (h8300_mode_dependent_address_p): Ditto.
	* config/m32r/m32r.c (m32r_mode_dependent_address_p): Ditto.
	* config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): Ditto.
	* config/rx/rx.c (rx_mode_dependent_address_p): Ditto.
	* config/sparc/sparc.c (sparc_mode_dependent_address_p): Ditto.
	* config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
	Ditto.
	* config/vax/vax.c (vax_mode_dependent_address_p): Ditto.
	* config/xtensa/xtensa.c (xtensa_mode_dependent_address_p): Ditto.

2012-09-26  Christophe Lyon <christophe.lyon@linaro.org>

	* tree-ssa-math-opts.c (bswap_stats): Add found_16bit field.
	(execute_optimize_bswap): Add support for builtin_bswap16.

2012-09-26  Richard Guenther  <rguenther@suse.de>

	* tree.h (DECL_IS_BUILTIN): Compare LOCATION_LOCUS.

2012-09-26  Ian Lance Taylor  <iant@google.com>

	* diagnostic.c: Include "demangle.h" and "backtrace.h".
	(bt_stop): New static array.
	(bt_callback, bt_err_callback): New static functions.
	(diagnostic_action_after_output): Call backtrace_full for DK_ICE.
	* Makefile.in (BACKTRACE): New variable.
	(BACKTRACEINC, LIBBACKTRACE): New variables.
	(BACKTRACE_H): New variable.
	(LIBDEPS, LIBS): Add $(LIBBACKTRACE).
	(INCLUDES): Add $(BACKTRACEINC).
	(diagnostic.o): Depend upon $(DEMANGLE_H) and $(BACKTRACE_H).

2012-09-25  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/51274
	PR target/53087
	* config/rs6000/rs6000.md (ne0si): Remove unnecessary
	earlyclobber.  Merge with...
	(ne0di): ... to...
	(ne0_<mode>): New.
	(plus_ne0si): Merge with...
	(plus_ne0di): ... to...
	(plus_ne0_<mode>): New.
	(compare_plus_ne0si): Merge with...
	(compare_plus_ne0di)... to...
	(compare_plus_ne0_<mode>): New.
	(compare_plus_ne0_<mode>_1): New.
	(plus_ne0si_compare): Merge with...
	(plus_ne0di_compare)... to...
	(plus_ne0_<mode>_compare): New.

2012-09-25  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54089
	* config/sh/constraints.md (Jhb): New constraint.
	* config/sh/predicates.md (negt_reg_shl31_operand): New predicate.
	* config/sh/sh.md (rotrsi3): New expander.
	(rotrsi3_1, *rotrsi3_1, *rotlsi3_1): New insns.
	(rotlsi3, rotlhi3): Use const_int_operand predicate instead of
	immediate_operand and remove CONST_INT_P checks in expansion code.
	(*rotcr): Cleanup variable usage.  Handle preceding nott insn.  Add
	split with swapped operands.
	(*rotcr_neg_t, *movt_msb, *negt_msb): New insns and splits.

2012-09-25  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/53850
	* trans-mem.c (expand_call_tm): Handle late built built-ins.

2012-09-25  Georg-Johann Lay  <avr@gjlay.de>

	PR other/54701
	* config/avr/avr-log.c (avr_double_int_pop_digit): Rewrite using
	double_int::udivmod.

2012-09-25  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (avr_set_current_function): Check cfun->machine
	to be non-NULL.

2012-09-25  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54641
	* config/avr/t-avr: Use ALL_COMPILERFLAGS instead of ALL_CFLAGS
	for sources compiled with COMPILER.

2012-09-25  Richard Guenther  <rguenther@suse.de>

	PR lto/54625
	* lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Do not merge
	cgraph nodes for builtins.

2012-09-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54676
	* tree-vrp.c (set_and_canonicalize_value_range): Handle
	one bit precision properly.

	PR other/54692
	* configure.ac (CFLAGS, CXXFLAGS): Remove -Ofast or -Og properly.
	* configure: Regenerated.

2012-09-25  Georg-Johann Lay  <avr@gjlay.de>

	PR other/54701
	* config/avr/avr.c (avr_map_decompose): Use double_int::from_uhwi
	instead of uhwi_to_double_int.

2012-09-25  Richard Guenther  <rguenther@suse.de>

	* lto-symtab.c (lto_symtab_merge_decls_1): Properly merge
	all of the chain.

2012-09-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53663
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
	native encode/interpret translation on VN_WALKREWRITE.

2012-09-24  Dehao Chen  <dehao@google.com>

	* tree-cfg.c (move_stmt_op): Reset the expr block only when necessary.
	(move_block_to_fn): Reset the edge's goto block even
	when the goto locus is unknown.

2012-09-24  Lawrence Crowl  <crowl@google.com>

	* double-int.h (double_int::from_pair): New.
	(double_int::wide_mul_with_sign): New.
	(double_int::sub_with_overflow): New.
	(double_int::neg_with_overflow): New.
	(double_int::divmod_with_overflow): New.
	(shwi_to_double_int): Remove.
	(uhwi_to_double_int): Remove.
	(double_int_to_shwi): Remove.
	(double_int_to_uhwi): Remove.
	(double_int_fits_in_uhwi_p): Remove.
	(double_int_fits_in_shwi_p): Remove.
	(double_int_fits_in_hwi_p): Remove.
	(double_int_mul): Remove.
	(double_int_mul_with_sign): Remove.
	(double_int_add): Remove.
	(double_int_sub): Remove.
	(double_int_neg): Remove.
	(double_int_div): Remove.
	(double_int_sdiv): Remove.
	(double_int_udiv): Remove.
	(double_int_mod): Remove.
	(double_int_smod): Remove.
	(double_int_umod): Remove.
	(double_int_divmod): Remove.
	(double_int_sdivmod): Remove.
	(double_int_udivmod): Remove.
	(double_int_multiple_of): Remove.
	(double_int_setbit): Remove.
	(double_int_ctz): Remove.
	(double_int_not): Remove.
	(double_int_ior): Remove.
	(double_int_and): Remove.
	(double_int_and_not): Remove.
	(double_int_xor): Remove.
	(double_int_lshift): Remove.
	(double_int_rshift): Remove.
	(double_int_lrotate): Remove.
	(double_int_rrotate): Remove.
	(double_int_negative_p): Remove.
	(double_int_cmp): Remove.
	(double_int_scmp): Remove.
	(double_int_ucmp): Remove.
	(double_int_max): Remove.
	(double_int_smax): Remove.
	(double_int_umax): Remove.
	(double_int_min): Remove.
	(double_int_smin): Remove.
	(double_int_umin): Remove.
	(double_int_ext): Remove.
	(double_int_sext): Remove.
	(double_int_zext): Remove.
	(double_int_mask): Remove.
	(double_int_max_value): Remove.
	(double_int_min_value): Remove.
	(double_int_zero_p): Remove.
	(double_int_one_p): Remove.
	(double_int_minus_one_p): Remove.
	(double_int_equal_p): Remove.
	(double_int_popcount): Remove.
	(extern add_double_with_sign): Remove.
	(#define add_double): Remove.
	(extern neg_double): Remove.
	(extern mul_double_with_sign): Remove.
	(extern mul_double_wide_with_sign): Remove.
	(#define mul_double): Remove.
	(extern lshift_double): Remove.
	(extern div_and_round_double): Remove.
	* double-int.c (add_double_with_sign): Make static.
	(#defined add_double): Localized from header.
	(neg_double): Make static.
	(mul_double_with_sign): Make static.
	(mul_double_wide_with_sign): Make static.
	(#defined mul_double): Localized from header.
	(lshift_double): Make static.
	(div_and_round_double): Make static.
	(double_int::wide_mul_with_sign): New.
	(double_int::sub_with_overflow): New.
	(double_int::neg_with_overflow): New.
	(double_int::divmod_with_overflow): New.
	* emit-rtl.c (init_emit_once): Change to new double_int API.
	* explow.c (plus_constant): Likewise.
	* expmed.c (choose_multiplier): Likewise.
	* fold-const.c (#define OVERFLOW_SUM_SIGN): Remove.
	(int_const_binop_1): Change to new double_int API.
	(fold_div_compare): Likewise.
	(maybe_canonicalize_comparison): Likewise.
	(pointer_may_wrap_p): Likewise.
	(fold_negate_const): Likewise.
	(fold_abs_const): Likewise.
	* simplify-rtx.c (simplify_const_unary_operation): Likewise.
	(simplify_const_binary_operation): Likewise.
	* tree-chrec.c (tree_fold_binomial): Likewise.
	* tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
	* config/sparc/sparc.c (sparc_fold_builtin): Likewise.
	* config/avr/avr.c (avr_double_int_push_digit): Likewise.
	(avr_map): Likewise.
	(avr_map_decompose): Likewise.
	(avr_out_insert_bits): Likewise.

2012-09-24  Janis Johnson  <janisjo@codesourcery.com>

	* doc/sourcebuild.texi (Selectors): Document the use of target
	and xfail used together.

2012-09-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54632
	* tree-ssa-live.c (clear_unused_block_pointer_1): Do not
	handle DECL_DEBUG_EXPR_IS_FROM here...
	(clear_unused_block_pointer): ... but here when walking all
	local decls.

2012-09-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54684
	* tree-ssa-ccp.c (optimize_unreachable): Properly update stmts.

2012-09-24  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c: Include tree-ssa-propagate.h.
	(simplify_bitfield_ref): Handle constructors.
	* Makefile.in (tree-ssa-forwprop.o): Depend on tree-ssa-propagate.h.

2012-09-24  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (bitmap_find_leader, create_expression_by_pieces,
	find_or_generate_expression): Remove dominating stmt argument.
	(find_leader_in_sets, phi_translate_1, bitmap_find_leader,
	create_component_ref_by_pieces_1, create_component_ref_by_pieces,
	do_regular_insertion, do_partial_partial_insertion): Adjust.
	(compute_avail): Do not set uids.

2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
	TYPE_NONALIASED_COMPONENT flag.
	* tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
	TYPE_NONALIASED_COMPONENT flag.

2012-09-24  Jia Liu  <proljc@gmail.com>

	* doc/lto.texi: Separate sections.
	* doc/plugins.texi: Likewise.

2012-09-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52173
	* gimple.c (gimple_copy): Properly mark the copy modified
	if SSA operands are present.

2012-09-23  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/54669
	* tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Invoke
	maybe_clean_or_replace_eh_stmt on the modified use statements.

2012-09-23  Marc Glisse  <marc.glisse@inria.fr>

	* expr.c (do_store_flag): Remove duplicated code.

2012-09-22  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/predicates.md (altivec_register_operand,
	vsx_register_operand, vfloat_operand, vint_operand,
	vlogical_operand, gpc_reg_operand, cc_reg_operand,
	cc_reg_not_cr0_operand, cc_reg_not_micro_cr0_operand):
	If op is a SUBREG, consider its SUBREG_REG instead.

2012-09-22  Uros Bizjak  <ubizjak@gmail.com>

	* optabs.c (prepare_cmp_insn): Expand comparison of the result
	of memcmp through generic comparison expansion code.

2012-09-21  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.opt: Add -mno-crt0 option.
	* config/moxie/moxie.h (STARTFILE_SPEC): Handle -mno-crt0 option.
	* doc/invoke.texi (Option Summary): Document -mno-crt0 option.

2012-09-21  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR bootstrap/54642
	* Makefile.in (lto-symtab.o): Remove gt-lto-symtab.h dependency.

2012-09-21  Dehao Chen  <dehao@google.com>

	PR go/54649
	* tree-eh.c (lower_try_finally_dup_block): Set the correct block for
	stmts in the duplicated EH block.

2012-09-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54647
	* tree-ssa-pre.c (compute_avail): Do not put COND_EXPR
	or VEC_COND_EXPR into EXP_GEN again.

2012-09-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54629
	* tree-loop-distribution.c (classify_partition): Free loop nest only
	after freeing ddr.  Free ddr and loop nest also if successful.

2012-09-21  Matthias Klose  <doko@ubuntu.com>

	* config/arm/arm.c (arm_mangle_type): Don't warn anymore that
	4.4 has changed the `va_list' mangling.

2012-09-21  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/54290
	PR rtl-optimization/54644
	* reload1.c (choose_reload_regs): Fix thinko in previous change.

2012-09-20  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (define_split for plus_eqsi):
	Fix output pattern.

2012-09-20  Eric Botcazou  <ebotcazou@adacore.com>

	* reload1.c (choose_reload_regs): Add missing #ifdef/#endif pair.

2012-09-20  Bernd Schmidt  <bernds@codesourcery.com>

	PR bootstrap/54643
	* haifa-sched.c (schedule_block): Skip find_modifiable_mems if using
	SCHED_PRESSURE_MODEL.

2012-09-20  Joern Rennecke  <joern.rennecke@embecosm.com>

	* rtlanal.c (dead_or_set_regno_p): Fix COND_EXEC handling.

2012-09-20  Marek Polacek  <polacek@redhat.com>

	* tree-ssa-operands.c (get_expr_operands): Merge identical cases.

2012-09-20  Marek Polacek  <polacek@redhat.com>

	* tree-ssa-threadupdate.c (mark_threaded_blocks): Don't cast XNEWVEC's
	result.
	(create_edge_and_update_destination_phis): Likewise.

2012-09-20  Martin Jambor  <mjambor@suse.cz>

	* function.c (push_cfun): Check old current_function_decl matches
	old cfun, set new current_function_decl to the decl of the new cfun.
	(push_struct_function): Likewise.
	(pop_cfun): Likewise.
	(allocate_struct_function): Move call to
	invoke_set_current_function_hook to the end of the function.
	* cfgexpand.c (estimated_stack_frame_size): Do not set and restore
	current_function_decl.
	* cgraph.c (cgraph_release_function_body): Likewise.
	* cgraphunit.c (cgraph_process_new_functions): Likewise.
	(cgraph_add_new_function): Likewise.
	(cgraph_analyze_function): Likewise.
	(assemble_thunk): Set cfun to NULL at the end.
	(expand_function): Move call to set_cfun downwards.
	* gimple-low.c (record_vars_into): Only check current_function_decl
	before possibly doing push_cfun.
	* gimplify.c (gimplify_function_tree): Do not set and restore
	current_function_decl.
	* ipa-inline-analysis.c (compute_inline_parameters): Likewise.
	(inline_analyze_function): Likewise.
	* ipa-prop.c (ipa_analyze_node): Likewise.
	* ipa-pure-const.c (analyze_function): Likewise.
	* lto-streamer-in.c (lto_input_function_body): Do not set
	current_function_decl.
	* lto-streamer-out.c (output_function): Do not set and restore
	current_function_decl.
	* omp-low.c (finalize_task_copyfn): Likewise.
	(expand_omp_taskreg): Likewise.
	(create_task_copyfn): Likewise, move push_cfun up quite a bit.
	* passes.c (dump_passes): Do not set and restore current_function_decl.
	(do_per_function): Likewise.
	(do_per_function_toporder): Likewise.
	* trans-mem.c (ipa_tm_scan_irr_function): Likewise.
	(ipa_tm_transform_transaction): Likewise.
	(ipa_tm_transform_clone): Likewise.
	(ipa_tm_execute): Likewise.
	* tree-emutls.c (lower_emutls_function_body): Likewise.
	* tree-inline.c (initialize_cfun): Do not call pop_cfun.
	(tree_function_versioning): Do not call push_cfun, do not set and
	restore current_function_decl.  Remove assert checking consistency of
	cfun and current_function_decl.
	* tree-profile.c (tree_profiling): Do not set and restore
	current_function_decl.
	* tree-sra.c (convert_callers_for_node): Do not set
	current_function_decl.
	(convert_callers): Do not restore current_function_decl.
	(modify_function): Do not set current_function_decl.
	* tree-ssa-structalias.c (ipa_pta_execute): Do not set and restore
	current_function_decl.

2012-09-20  Diego Novillo  <dnovillo@google.com>

	PR target/54631
	* config/vxworks.c (vxworks_emutls_var_init): Update for new
	VEC_quick_push interface.

2012-09-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54634
	* tree-data-ref.c (get_references_in_stmt): For now give
	up for pure functions.

2012-09-20  Chen Wei-Ren  <chenwj@iis.sinica.edu.tw>

	* doc/lto.texi: Correct typo.

2012-09-19  Dehao Chen  <dehao@google.com>

	* config/s390/s390.c (s390_chunkify_start): Replacing INSN_LOCATOR.
	* config/spu/spu.c (emit_nop_for_insn): Likewise.
	(pad_bb): Likewise.
	(spu_emit_branch_hint): Likewise.
	(insert_hbrp_for_ilb_runout): Likewise.
	* config/mep/mep.c (mep_make_bundle): Likewise.
	(mep_bundle_insns): Likewise.
	* config/sh/sh.c (gen_block_redirect): Likewise.
	* config/c6x/c6x.c (gen_one_bundle): Likewise.
	* config/rs6000/rs6000.c (rs6000_final_prescan_insn): Likewise.
	* config/picochip/picochip.c (picochip_reorg): Likewise.
	* config/arm/arm.c (require_pic_register): Likewise.
	* config/mips/mips.c (mips16_gp_pseudo_reg): Likewise.
	* config/bfin/bfin.c (gen_one_bundle): Likewise.

2012-09-19  Mark Kettenis  <kettenis@openbsd.org>

	* config.gcc (hppa*-*-openbsd*): New target.
	* config/pa/pa-openbsd.h: New file.
	* config/pa/pa32-openbsd.h: New file.
	* config/host-openbsd.c: Update copyright year.
	(TRY_EXCEPT_VM_SPACE): Define for OpenBSD/hppa.

2012-09-19  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (prune_expression_for_jf): New function.
	(ipa_set_jf_constant): Use it.
	(ipa_set_jf_arith_pass_through): Likewise.
	(determine_known_aggregate_parts): Likewise.

2012-09-19  Steve Ellcey  <sellcey@mips.com>

	* config.gcc (mips*-mti-elf*): New target.
	* config/mips/mti-elf.h: New file.
	* config/mips/t-mti-elf: New file.

2012-09-19  Dehao Chen  <dehao@google.com>

	* toplev.c (general_init): Init block_locations.
	* tree.c (tree_set_block): New.
	(tree_block): Change to use LOCATION_BLOCK.
	* tree.h (TREE_SET_BLOCK): New.
	* final.c (reemit_insn_block_notes): Change to use LOCATION_BLOCK.
	(final_start_function): Likewise.
	* input.c (expand_location_1): Likewise.
	* input.h (LOCATION_LOCUS): New.
	(LOCATION_BLOCK): New.
	(IS_UNKNOWN_LOCATION): New.
	* fold-const.c (expr_location_or): Change to use new location.
	* reorg.c (emit_delay_sequence): Likewise.
	(try_merge_delay_insns): Likewise.
	* modulo-sched.c (dump_insn_location): Likewise.
	* lto-streamer-out.c (lto_output_location_bitpack): Likewise.
	* lto-cgraph.c (output_node_opt_summary): Likewise.
	* jump.c (rtx_renumbered_equal_p): Likewise.
	* ifcvt.c (noce_try_move): Likewise.
	(noce_try_store_flag): Likewise.
	(noce_try_store_flag_constants): Likewise.
	(noce_try_addcc): Likewise.
	(noce_try_store_flag_mask): Likewise.
	(noce_try_cmove): Likewise.
	(noce_try_cmove_arith): Likewise.
	(noce_try_minmax): Likewise.
	(noce_try_abs): Likewise.
	(noce_try_sign_mask): Likewise.
	(noce_try_bitop): Likewise.
	(noce_process_if_block): Likewise.
	(cond_move_process_if_block): Likewise.
	(find_cond_trap): Likewise.
	* ipa-prop.c (ipa_set_jf_constant): Likewise.
	(ipa_write_jump_function): Likewise.
	* dwarf2out.c (add_src_coords_attributes): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* tree-parloops.c (create_loop_fn): Likewise.
	* recog.c (peep2_attempt): Likewise.
	* function.c (free_after_compilation): Likewise.
	(expand_function_end): Likewise.
	(set_insn_locations): Likewise.
	(thread_prologue_and_epilogue_insns): Likewise.
	* print-rtl.c (print_rtx): Likewise.
	* profile.c (branch_prob): Likewise.
	* trans-mem.c (ipa_tm_scan_irr_block): Likewise.
	* gimplify.c (gimplify_call_expr): Likewise.
	* except.c (duplicate_eh_regions_1): Likewise.
	* emit-rtl.c (try_split): Likewise.
	(make_insn_raw): Likewise.
	(make_debug_insn_raw): Likewise.
	(make_jump_insn_raw): Likewise.
	(make_call_insn_raw): Likewise.
	(emit_pattern_after_setloc): Likewise.
	(emit_pattern_after): Likewise.
	(emit_debug_insn_after): Likewise.
	(emit_pattern_before): Likewise.
	(emit_insn_before_setloc): Likewise.
	(emit_jump_insn_before): Likewise.
	(emit_call_insn_before_setloc): Likewise.
	(emit_call_insn_before): Likeise.
	(emit_debug_insn_before_setloc): Likewise.
	(emit_copy_of_insn_after): Likewise.
	(insn_locators_alloc): Remove.
	(insn_locators_finalize): Remove.
	(insn_locators_free): Remove.
	(set_curr_insn_source_location): Remove.
	(get_curr_insn_source_location): Remove.
	(set_curr_insn_block): Remove.
	(get_curr_insn_block): Remove.
	(locator_scope): Remove.
	(insn_scope): Change to use new location.
	(locator_location): Remove.
	(insn_line): Change to use new location.
	(locator_file): Remove.
	(insn_file): Change to use new location.
	(locator_eq): Remove.
	(insn_locations_init): New.
	(insn_locations_finalize): New.
	(set_curr_insn_location): New.
	(curr_insn_location): New.
	* cfgexpand.c (gimple_assign_rhs_to_tree): Change to use new location.
	(expand_gimple_cond): Likewise.
	(expand_call_stmt): Likewise.
	(expand_gimple_stmt_1): Likewise.
	(expand_gimple_basic_block): Likewise.
	(construct_exit_block): Likewise.
	(gimple_expand_cfg): Likewise.
	* cfgcleanup.c (try_forward_edges): Likewise.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
	(dump_scope_block): Likewise.
	(remove_unused_locals): Likewise.
	* rtl.c (rtx_equal_p_cb): Likewise.
	(rtx_equal_p): Likewise.
	* rtl.h (XUINT): New.
	(INSN_LOCATOR): Remove.
	(CURR_INSN_LOCATION): Remove.
	(INSN_LOCATION): New.
	(INSN_HAS_LOCATION): New.
	* tree-inline.c (remap_gimple_op_r): Change to use new location.
	(copy_tree_body_r): Likewise.
	(copy_phis_for_bb): Likewise.
	(expand_call_inline): Likewise.
	* tree-streamer-in.c (lto_input_ts_exp_tree_pointers): Likewise.
	* tree-streamer-out.c (write_ts_decl_minimal_tree_pointers): Likewise.
	* gimple-streamer-out.c (output_gimple_stmt): Likewise.
	* combine.c (try_combine): Likewise.
	* tree-outof-ssa.c (set_location_for_edge): Likewise.
	(insert_partition_copy_on_edge): Likewise.
	(insert_value_copy_on_edge): Likewise.
	(insert_rtx_to_part_on_edge): Likewise.
	(insert_part_to_rtx_on_edge): Likewise.
	* basic-block.h (edge_def): Remove field.
	* gimple.h (gimple_statement_base): Remove field.
	(gimple_bb): Change to use new location.
	(gimple_set_block): Likewise.
	(gimple_has_location): Likewise.
	* tree-cfg.c (make_cond_expr_edges): Likewise.
	(make_goto_expr_edges): Likewise.
	(gimple_can_merge_blocks_p): Likewise.
	(move_stmt_op): Likewise.
	(move_block_to_fn): Likewise.
	* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Likewise.
	* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
	* config/i386/i386.c (x86_output_mi_thunk): Likewise.
	* config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
	* config/sh/sh.c (sh_output_mi_thunk): Likewise.
	* config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
	* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
	* config/score/score.c (score_output_mi_thunk): Likewise.
	* config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
	* config/mips/mips.c (mips_output_mi_thunk): Likewise.
	* cfgrtl.c (unique_locus_on_edge_between_p): Likewise.
	(unique_locus_on_edge_between_p): Likewise.
	(emit_nop_for_unique_locus_between): Likewise.
	(force_nonfallthru_and_redirect): Likewise.
	(fixup_reorder_chain): Likewise.
	(cfg_layout_merge_blocks): Likewise.
	* stmt.c (emit_case_nodes): Likewise.

2012-09-19  Bernd Schmidt  <bernds@codesourcery.com>

	* dbgcnt.def (sched_breakdep): New counter.
	* haifa-sched.c (update_insn_after_change): New static function,
	broken out of haifa_change_pattern.
	(haifa_change_pattern): Call it.
	(dep_t heap vecs): Declare.
	(INSN_COST): Define earlier.
	(next_cycle_replace_deps, next_cycle_apply): New static variables.
	(apply_replacement): New static function.
	(recompute_todo_spec): New argument FOR_BACKTRACK.  All callers
	changed.  Handle DEP_REPLACE deps.
	(contributes_to_priority_p): False for replaceable deps.
	(must_restore_pattern_p, restore_pattern): New static functions.
	(schedule_insn): Use them.  Apply replacements for broken deps.
	(struct haifa_saved_data): Add new fields to keep track of
	replacements.
	(save_backtrack_point): Initialize them.
	(undo_replacements_for_backtrack): New static function.
	(restore_last_backtrack_point, free_topmost_backtrack_point):
	Use it and keep track of replacements.
	(perform_replacements_new_cycle, undo_all_replacements): New static
	functions.
	(schedule_block): Call these two as necessary.  Call
	find_modifiable_mems.
	(try_ready): Tweak the assert.  Check for DEP_POSTPONED.
	* sched-deps.c: Include "emit-rtl.h".
	(init_dep_1): Initialize DEP_NONREG, DEP_MULTIPLE and DEP_REPLACE.
	(dep_spec_p): True for DEP_REPLACE deps.
	(mark_as_hard): New static variable.
	(update_dep): Update DEP_NONREG and DEP_MULTIPLE.
	(add_dependence_list): New argument hard.  All callers changed.  Set
	and clear mark_as_hard around function body.
	(add_dependence_list_and_free): Likewise.
	(haifa_note_mem_dep): Set DEP_NONREG.
	(haifa_note_dep): Likewise if mark_as_hard is true.
	(sched_analyze_insn): Switch loop with if statement testing for
	sel_sched_p.
	(struct mem_inc_info): New.
	(attempt_change, parse_add_or_inc, find_inc, find_mem): New static
	functions.
	(find_modifiable_mems): New function.
	* sched-int.h (struct dep_replacement): New.
	(struct _dep): Add replace, nonreg and multiple fields.  Make type and
	cost bitfields.
	(UNKNOWN_DEP_COST): Change to match the bitfield.
	(DEP_NONREG, DEP_MULTIPLE, DEP_REPLACE): New macros.
	(DEP_POSTPONED): New macro.
	(DEP_CANCELLED): Renumber.
	(find_modifiable_mems): Declare.
	(enum SCHED_FLAGS): Add DONT_BREAK_DEPENDENCIES.
	* sched-rgn.c (init_ready_list): Set TODO_SPEC here.
	(new_ready): Don't set HARD_DEP, use DEP_POSTPONED.
	(debug_dependencies): Dump DEP_NONREG and DEP_MULTIPLE.
	* Makefile.in (sched-deps.o): Update dependencies.
	* config/c6x/c6x.c (in_hwloop): New static variable.
	(c6x_set_sched_flags): If it is true, add DONT_BREAK_DEPENDENCIES.
	(hwloop_optimize): Set and clear it around preliminary scheduling pass.

2012-09-19  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>

	* config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase
	and __builtin_ppc_mftb.
	* config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New function
	to expand an expression that calls a built-in without arguments.
	(rs6000_expand_builtin): Add __builtin_ppc_get_timebase and
	__builtin_ppc_mftb.
	(rs6000_init_builtins): Likewise.
	* config/rs6000/rs6000.md (rs6000_get_timebase): New pattern.
	(rs6000_get_timebase_ppc32): New pattern.
	(rs6000_mftb_<mode>): New pattern.

	* doc/extend.texi (PowerPC Built-in Functions): New section.
	(PowerPC AltiVec/VSX Built-in Functions): Move some built-ins
	unrelated to Altivec/VSX to the new section.

2012-09-19  David Edelsohn  <dje.gcc@gmail.com>

	* rs6000.md (mac*): Remove extra spaces.
	(mulhw*): Same.

2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54089
	* config/sh/predicates.md (arith_reg_or_t_reg_operand): New predicate.
	* config/sh/sh.md (*rotcr): Use arith_reg_or_t_reg_operand predicate.
	Handle the case where one of the operands is T_REG.
	Add new pattern to handle MSB extraction.

2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54236
	* config/sh/sh.md (*addc): Add pattern to handle one bit left shifts.

2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.md (prologue, epilogue): Use braced strings.

2012-09-19  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/54290
	* reload1.c (choose_reload_regs): Also take into account secondary MEMs
	to remove address replacements for inherited reloads.
	(replaced_subreg): Move around.

2012-09-19  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/aix61.h (TARGET_DEFAULT): Add MASK_PPC_GPOPT,
	MASK_PPC_GFXOPT, and MASK_MFCRF.

2012-09-19  Richard Guenther  <rguenther@suse.de>

	* passes.c (init_optimization_passes): For -Og move
	pass_object_sizes inbetween CCP and copyprop.

2012-09-19  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (get_prop_source_stmt): Simplify.

2012-09-19  Jan Hubicka  <jh@suse.cz>

	* symtab.c (insert_to_assembler_name_hash): Do not insert
	register vars.
	(unlink_from_assembler_name_hash): NULL out pointers of unlinked var.
	(symtab_prevail_in_asm_name_hash): New.
	(symtab_initialize_asm_name_hash): Break out from ...
	(symtab_node_for_asm): ... here.
	(dump_symtab_base): Dump LTO file data.
	(verify_symtab_base): Register vars are not in symtab.
	* cgraph.h (symtab_initialize_asm_name_hash,
	symtab_prevail_in_asm_name_hash): New functions.
	(symtab_real_symbol_p): New inline.
	* lto-symtab.c: Do not include gt-lto-symtab.h.
	(lto_symtab_entry_def): Remove.
	(lto_symtab_entry_t): Remove.
	(lto_symtab_identifiers): Remove.
	(lto_symtab_free): Remove.
	(lto_symtab_entry_hash): Remove.
	(lto_symtab_entry_eq): Remove.
	(lto_symtab_entry_marked_p): Remove.
	(lto_symtab_maybe_init_hash_table): Remove.
	(resolution_guessed_p, set_resolution_guessed): New functions.
	(lto_symtab_register_decl): Only set resolution info.
	(lto_symtab_get, lto_symtab_get_resolution): Remove.
	(lto_symtab_merge): Reorg to work across symtab; do nothing if decls
	are same.
	(lto_symtab_resolve_replaceable_p): Reorg to work on symtab.
	(lto_symtab_resolve_can_prevail_p): Likewise; only real symbols can
	prevail.
	(lto_symtab_resolve_symbols): Reorg to work on symtab.
	(lto_symtab_merge_decls_2): Likewise.
	(lto_symtab_merge_decls_1): Likewise; add debug dumps.
	(lto_symtab_merge_decls): Likewise; do not merge at ltrans stage.
	(lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab.
	(lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans
	stage.
	(lto_symtab_prevailing_decl): Rewrite to lookup into symtab.
	* lto-streaer.h (lto_symtab_free): Remove.
	* lto-cgraph.c (add_references): Cleanup.
	* varpool.c (varpool_assemble_decl): Skip hard regs.

2012-09-19  Richard Guenther  <rguenther@suse.de>

	PR other/53316
	* common/common-target.h (OPT_LEVELS_1_PLUS_NOT_DEBUG): Add.

2012-09-19  Richard Guenther  <rguenther@suse.de>

	PR other/53316
	* common.opt (optimize_debug): New variable.
	(Og): New optimization level.
	* doc/invoke.texi (Og): Document.
	* opts.c (maybe_default_option): Add debug parameter.
	(maybe_default_options): Likewise.
	(default_options_optimization): Handle -Og.
	(common_handle_option): Likewise.
	* passes.c (gate_all_optimizations): Do not run with -Og.
	(gate_all_optimizations_g): New gate, run with -Og.
	(pass_all_optimizations_g): New container pass, run with -Og.
	(init_optimization_passes): Schedule pass_all_optimizations_g
	alongside pass_all_optimizations.

2012-09-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54132
	* tree-loop-distribution.c (classify_partition): Properly
	check dependences for memmove.
	* tree-data-ref.h (compute_affine_dependence): Declare.
	* tree-data-ref.c (compute_affine_dependence): Export.

2012-09-19  Zhenqiang Chen <zhenqiang.chen@arm.com>

	PR middle-end/54364
	* bb-reorder.c (connect_better_edge_p): New added.
	(find_traces_1_round): When optimizing for size, ignore edge frequency
	and probability, and handle all in one round.
	(bb_to_key): Use bb->index as key when optimizing for size.
	(better_edge_p): The bb with smaller index is better when optimizing
	for size.
	(connect_traces): When optimizing for size, connect block n with
	block n + 1; connect trace m with trace m + 1 if falling through.
	(gate_handle_reorder_blocks): Enable bbro when optimizing for -Os.

2012-09-19  Bin Cheng  <bin.cheng@arm.com>

	* fold-const.c (fold_truth_andor): Remove duplicated check on
	BRANCH_COST.

2012-09-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/54617
	* expr.c (store_field): Handle a PARALLEL in more cases.

2012-09-18  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (sminsi3, smaxsi3, uminsi3, umaxsi3): Delete.
	(abssi2, abs<mode>2_isel, nabs<mode>2_isel, abssi2_nopower,
	nabs_nopower): Delete.
	(absdi2, absdi2_internal, nabsdi2): Delete.
	(smindi3, smaxdi3, umindi3, umaxdi3): Delete.

2012-09-18  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md: Tidy up empty "".  Fix C code indentation.
	* config/avr/avr-fixed.md: Ditto.

2012-09-18  Maciej W. Rozycki  <macro@codesourcery.com>

	* config/rs6000/rs6000.c (print_operand) <'c'>: Remove.
	* config/rs6000/spe.md: Remove a leftover comment.

2012-09-18  Jakub Jelinek  <jakub@redhat.com>

	PR target/54592
	* config/i386/i386.c (ix86_rtx_costs): Limit > UNITS_PER_WORD
	AND/IOR/XOR cost calculation to MODE_INT class modes.

2012-09-18  Thomas Quinot  <quinot@adacore.com>

	* doc/invoke.texi: Document -fada-spec-parent.

2012-09-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54610
	* tree-ssa-forwprop.c: Include optabs.h.  Don't include
	tree-vectorizer.h.
	(simplify_vector_constructor): Don't use vect_gen_perm_mask,
	instead create the mask constant here.
	* Makefile.in (tree-ssa-forwprop.o): Depend on $(OPTABS_H).
	Don't depend on $(TREE_VECTORIZER_H).

2012-09-18  Florian Weimer  <fweimer@redhat.com>

	* Makefile.in (BASIC_BLOCK_H): Add cfg-flags.def.

2012-09-18  Richard Guenther  <rguenther@suse.de>

	* statistics.h (CXX_MEM_STAT_INFO): New define.
	* gimple.h (gimple_build_assign_with_ops_stat,
	gimple_build_assign_with_ops, gimple_build_assign_with_ops3):
	Turn into an overload of the function gimple_build_assign_with_ops.
	* gimple.c (gimple_build_assign_with_ops_stat): Rename to ...
	(gimple_build_assign_with_ops): ... this.
	* tree-ssa-loop-im.c (move_computations_stmt): Adjust.
	* tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
	* tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
	(vect_permute_load_chain): Likewise.
	* tree-vect-generic.c (expand_vector_divmod): Likewise.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise.
	(vect_recog_divmod_pattern): Likewise.
	(vect_recog_mixed_size_cond_pattern): Likewise.
	(adjust_bool_pattern): Likewise.
	* tree-vect-slp.c (vect_create_mask_and_perm): Likewise.
	* tree-vect-stmts.c (vectorizable_operation): Likewise.
	(permute_vec_elements): Likewise.
	(vectorizable_load): Likewise.

2012-09-17  Paul Koning  <ni1d@arrl.net>

	* doc/invoke.text (-feliminate-unused-debug-types): Update to
	reflect that this is enabled by default.

2012-09-17  Ben Cheng  <bccheng@google.com

	* config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Suppress the
	dynamic linker commands for statically linked programs.

2012-09-17  Ulrich Weigand  <ulrich.weigand@linaro.org>

	* config/arm/arm.c (arm_rtx_costs_1): Handle vec_extract and vec_set
	patterns.
	* config/arm/arm.md ("vec_set<mode>_internal"): Support memory source
	operands, implemented via vld1 instruction.
	("vec_extract<mode>"): Support memory destination operands, implemented
	via vst1 instruction.
	("neon_vst1_lane<mode>"): Use UNSPEC_VST1_LANE instead of vec_select.
	* config/arm/predicates.md ("neon_lane_number"): Remove.

2012-09-17  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
	    Ulrich Weigand  <ulrich.weigand@linaro.org>

	* config/arm/arm.c (output_move_neon): Update comment.
	Use vld1.64/vst1.64 instead of vldm/vstm where possible.
	(neon_vector_mem_operand): Support double-word modes.
	* config/arm/neon.md (*neon_mov VD): Call output_move_neon
	instead of output_move_vfp.  Change constraint from Uv to Un.

2012-09-17  Richard Guenther  <rguenther@suse.de>

	PR lto/54598
	* tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
	FIXED_VALUE_TYPE instead of struct fixed_value.

2012-09-17  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (CONST_FIXED_P): Remove define.
	* config/avr/avr.md (add<mode>3): Use CONST_FIXED_P.

2012-09-17  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54607
	* config.gcc (tm_file,avr): Add avr/avr-arch.h.
	* config/avr/t-avr (gen-avr-mmcu-texi): Use CC_FOR_BUILD to
	compile.  Don't depend on TM_H.  Use CFLAGS_FOR_BUILD.
	* config/avr/avr.h (avr_arch, base_arch_s, mcu_type_s): Source out
	to...
	* config/avr/avr-arch.h: ...this new file.
	* config/avr/gen-avr-mmcu-texi.c: Include avr-arch.h, stdio.h,
	stdlib.h.
	* comparator: Make letters smaller than digits.
	* config/avr/avr-devices.c: Don't include headers if used in
	gen-avr-mmcu-texi.c.
	* doc/avr-mmcu.texi: Regenerate.

2012-09-17  Georg-Johann Lay  <avr@gjlay.de>

	* rtl.h (CONST_FIXED_P): New predicate macro.

2012-09-17  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-cfgcleanup. (cleanup_control_expr_graph) <GIMPLE_COND>: Remove
	code doing propagation from degenerate PHI nodes.
	* tree-ssa-loop-ivcanon.c (propagate_into_all_uses): New function.
	(propagate_constants_for_unrolling): Likewise.
	(tree_unroll_loops_completely): If the current loop has been unrolled
	and its father isn't the entire function, propagate constants within
	the new basic blocks by means of propagate_constants_for_unrolling.

2012-09-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54563
	* tree-ssa-math-opts.c (execute_cse_sincos): Call
	gimple_purge_dead_eh_edges if last call has been changed.

2012-09-17  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54222
	* config/avr/avr.c (avr_out_plus_symbol): Fix typo if PLUS and PSImode.
	(avr_out_plus_1): Remove log comments from assembler output.

2012-09-17  Ruben Buchatskiy  <ruben@ispras.ru>

	* config/arm/vfp.md (*thumb2_movdf_vfp): Require one of the operands
	to be a register.

2012-09-16  Richard Sandiford  <rdsandiford@googlemail.com>

	* calls.c (expand_call): Use emit_group_move for PARALLEL->PARALLEL
	moves.

2012-09-15  Tom de Vries  <tom@codesourcery.com>

	* tree-vrp.c (extract_range_from_binary_expr_1): Fix bug in handling of
	LSHIFT_EXPR with shift range.  Handle more LSHIFT_EXPR cases with shift
	range.

2012-09-15  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54222
	* config/avr/avr-fixed.md (ALL2S, ALL4S, ALL24S, ALL124S,
	ALL124U): New mode iterators.
	(<code_stdname><mode>3): New insns for SS_PLUS, SS_MINUS.
	(<code_stdname><mode>3): New insns for US_PLUS, US_MINUS.
	(usneg<mode>2): New insns.
	(<code_stdname><mode>2): New expanders for SS_NEG, SS_ABS.
	(*<code_stdname><mode>2): New insns for SS_NEG, SS_ABS.
	* config/avr/avr-dimode.md (ALL8U, ALL8S): New mode iterators.
	(avr_out_plus64, avr_out_minus64): Use avr_out_plus instead.
	(<code_stdname><mode>3): New expanders for SS_PLUS, SS_MINUS.
	(<code_stdname><mode>3): New expanders for US_PLUS, US_MINUS.
	(<code_stdname><mode>3_insn): New insns.
	(<code_stdname><mode>3_const_insn): New insns.
	* config/avr/avr.md (cc): Add: plus. Remove: out_plus,
	out_plus_noclobber, minus.
	(length): Add: plus.  Remove: out_plus, out_plus_noclobber,
	plus64, minus, minus64.
	(abelian): New code_attr.
	(code_stdname): Handle: ss_plus, ss_minus, ss_neg, ss_abs,
	us_plus, us_minus, us_neg.
	(*add<mode>3, add<mode>3_clobber, add<mode>3, addpsi3, sub<mode>3):
	Use avr_out_plus to output.
	* config/avr/avr-protos.h (avr_out_plus): Change prototype.
	(avr_out_plus_noclobber, avr_out_minus): Remove.
	(avr_out_plus64, avr_out_minus64): Remove.
	* config/avr/avr.c (avr_out_plus_1): Add new default arguments
	code_sat, sign.  Saturate after operation if code_sat != UNKNOWN.
	(avr_out_plus_symbol): New static function.
	(avr_out_plus): Rewrite.
	(adjust_insn_length): Handle: ADJUST_LEN_PLUS.  Remove handling
	of: ADJUST_LEN_OUT_PLUS, ADJUST_LEN_PLUS64, ADJUST_LEN_MINUS,
	ADJUST_LEN_MINUS64, ADJUST_LEN_OUT_PLUS_NOCLOBBER.
	(notice_update_cc): Handle: CC_PLUS.  Remove handling of: CC_MINUS,
	CC_OUT_PLUS, CC_OUT_PLUS_NOCLOBBER
	(avr_out_plus_noclobber, avr_out_minus): Remove.
	(avr_out_plus64, avr_out_minus64): Remove.
	(avr_print_operand): Print raw REGNO if 'r' is used with REG.

2012-09-15  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.c (sh_rtx_costs): Add handling of MEM, SIGN_EXTEND,
	ZERO_EXTEND and PARALLEL cases.
	(sh_address_cost): Correct rtx parsing and tweak cost estimations.

2012-09-14  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/tm.texi.in (Stack Arguments): Update obsolete references
	to current_function_outgoing_args_size.
	(Function Entry): Likewise for current_function_pops_args,
	current_function_pretend_args_size,
	current_function_outgoing_args_size, and
	current_function_epilogue_delay_list.
	(Misc): Fix garbled sentence referencing nonexistent
	current_function_leaf_function.
	* doc/tm.texi: Regenerated.

2012-09-14  Dehao Chen  <dehao@google.com>

	 * tree-eh.c (goto_queue_node): New field.
	(record_in_goto_queue): New parameter.
	(record_in_goto_queue_label): New parameter.
	(lower_try_finally_dup_block): New parameter.
	(maybe_record_in_goto_queue): Update source location.
	(lower_try_finally_copy): Likewise.
	(honor_protect_cleanup_actions): Likewise.
	* gimplify.c (gimplify_expr): Reset the location to unknown.

2012-09-14  David Edelsohn  <dje.gcc@gmail.com>

	* configure: Regenerated.

2012-09-14  Walter Lee  <walt@tilera.com>

	* doc/invoke.texi (Option Summary): fix typesetting for -mcpu
	option for TILEPro and TILE-Gx.
	(TILE-Gx Options): Fix grammar and spellings in documentation for
	-mcmodel.

2012-09-14  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/54427
	* fold-const.c (fold_unary_loc): Disable for VECTOR_TYPE.
	(fold_binary_loc): Likewise.
	* gimple-fold.c (and_comparisons_1): Handle VECTOR_TYPE.
	(or_comparisons_1): Likewise.

2012-09-14  Richard Earnshaw  <rearnsha@arm.com>

	PR target/54516
	PR rtl-optimization/54540
	* reload.c (find_dummy_reload): Don't use OUT as a reload reg
	for IN if it overlaps a fixed register.

2012-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/44194
	* calls.c (expand_call): In the PARALLEL case, copy the return value
	into pseudos instead of spilling it onto the stack.
	* emit-rtl.c (adjust_address_1): Rename ADJUST into ADJUST_ADDRESS and
	add new ADJUST_OBJECT parameter.
	If ADJUST_OBJECT is set, drop the underlying object if it cannot be
	proved that the adjusted memory access is still within its bounds.
	(adjust_automodify_address_1): Adjust call to adjust_address_1.
	(widen_memory_access): Likewise.
	* expmed.c (store_bit_field_1): Call adjust_bitfield_address instead
	of adjust_address.  Do not drop the underlying object of a MEM.
	(store_fixed_bit_field): Likewise.
	(extract_bit_field_1): Likewise.  Fix oversight in recursion.
	(extract_fixed_bit_field): Likewise.
	* expr.h (adjust_address_1): Adjust prototype.
	(adjust_address): Adjust call to adjust_address_1.
	(adjust_address_nv): Likewise.
	(adjust_bitfield_address): New macro.
	(adjust_bitfield_address_nv): Likewise.
	* expr.c (expand_assignment): Handle a PARALLEL in more cases.
	(store_expr): Likewise.
	(store_field): Likewise.

	* dse.c: Fix typos in the head comment.

2012-09-14  Christian Bruel  <christian.bruel@st.com>

	PR target/54546
	* config/sh/sh-protos.h (sh_need_epilogue): Delete.
	(sh_can_use_simple_return_p): Declare.
	* config/sh/sh.c (sh_can_use_simple_return_p): Define.
	(sh_need_epilogue, sh_need_epilogue_known): Delete.
	(sh_output_function_epilogue): Remove sh_need_epilogue_known.
	* config/sh/sh.md (simple_return, return): Define.
	(epilogue): Use inline return rtl.
	(sh_expand_epilogue): Cleanup parameters boolean type.
	* config/sh/iterators.md (any_return): New iterator.

2012-09-14  Christian Bruel  <christian.bruel@st.com>

	* config/sh/predicates.md (t_reg_operand): Check REG_P for SUBREG.
	* config/sh/sh.c (sequence_insn_p): Check INSNP_P for SEQUENCE.

2012-09-14  Jakub Jelinek  <jakub@redhat.com>

	PR target/54564
	* config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
	instead of (match_dup 0) as second argument to vec_merge.
	(*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
	Remove third alternative.
	(*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
	operand 2 instead of operand 1, but put it as first argument of fma.
	* config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
	_mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
	of the first.

2012-09-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54565
	* passes.c (init_optimization_passes): Adjust comments.
	(execute_function_todo): Do not execute execute_update_addresses_taken
	before processing TODO_rebuild_alias.
	* tree-ssa-ccp.c (do_ssa_ccp): Schedule TODO_update_address_taken.

2012-09-14  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (register_new_assert_for): Simplify for backward walk.
	(find_assert_locations_1): Walk the basic-block backwards, properly
	add/prune from live.  Use live for asserts derived from stmts.

2012-09-14  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c (simplify_bitfield_ref): Call
	get_prop_source_stmt.
	(simplify_permutation): Likewise.
	(simplify_vector_constructor): Likewise.

2012-09-14  Richard Guenther  <rguenther@suse.de>

	* builtin-types.def (BT_FN_CONST_STRING): Add.
	* builtins.def (BUILT_IN_FILE, BUILT_IN_FUNCTION,
	BUILT_IN_LINE): New builtins.
	* gimplify.c (gimplify_call_expr): Expand them.
	* doc/extend.texi (__builtin_LINE, __builtin_FUNCTION,
	__builtin_FILE): Document.

2012-09-13  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.h (LINK_SPEC): Add bi-endian support.
	(MULTILIB_DEFAULTS): Define.
	(ASM_SPEC): Define.
	(BYTES_BIG_ENDIAN, WORDS_BIG_ENDIAN): Add bi-endian support.
	(TARGET_CPU_CPP_BUILTINS): Add __MOXIE_LITTLE_ENDIAN__ and
	__MOXIE_BIG_ENDIAN__.
	* config/moxie/t-moxie (MULTILIB_DIRNAMES, MULTILIB_OPTIONS): Define.
	* config/moxie/moxie.opt: New file.
	* doc/invoke.texi (Moxie Options): Add section documenting -mel
	and -meb.

2012-09-13  Paolo Carlini  <paolo.carlini@oracle.com>
	    Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/53210
	* doc/invoke.texi ([Winit-self]): Document as enabled by -Wall in C++.

2012-09-13  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/predicates.md (input_operand): Do not consider TImode
	constants as 1-instruction integer constants.
	Use register_or_zero_operand instead of register_operand and tidy up.
	* config/sparc/sparc.md (movti): New expander.
	(movti_insn_sp64): New instruction.
	(movti_insn_sp64_hq): Likewise.
	(TImode splitters): New splitters.
	* config/sparc/sparc.c (sparc_expand_move) <TImode>: New case.
	(sparc_legitimate_address_p): Return 0 for REG+REG in TImode.

	* config/sparc/sparc-protos.h (arith_double_4096_operand): Delete.
	(arith_4096_operand): Likewise.
	(zero_operand): Likewise.
	(fp_zero_operand): Likewise.
	(reg_or_0_operand): Likewise.

2012-09-13  Jakub Jelinek  <jakub@redhat.com>

	* configure.ac (CXXFLAGS): Remove -O2 when not bootstrapping.
	* configure: Regenerated.

2012-08-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (prefetch): Do not assert mode of operand 0.
	(*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
	Rename to ...
	(*prefetch_sse): ... this.
	(*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
	Rename to ...
	(*prefetch_3dnow): ... this.

2012-09-13  Steven Bosscher  <steven@gcc.gnu.org>

	* ipa-pure-const.c (state_from_flags, local_pure_const): Use
	current_function_name instead of lang_hooks.decl_printable_name.

	* function.h (fndecl_name): New prototype.
	* function.c (fndecl_name): New function.
	* vecir.h (cgraph_node_p): New standard IR VEC type.
	* trans-mem.c (cgraph_node_p): No need anymore to define it here.
	* ipa-utils.h (ipa_get_nodes_in_cycle): New prototype.
	* ipa-utils.c (ipa_get_nodes_in_cycle): New function.
	* ipa-reference.c: Don't include langhooks.h, and certainly not twice.
	Fix many formatting issues (long lines, short lines, spacing, etc.).
	(get_static_name): Use fndecl_name.
	(dump_static_vars_set_to_file): New function split out from propagate.
	(union_static_var_sets): New function, union two sets and collapse
	to all_module_statics as quickly as possible.
	(intersect_static_var_sets): New function, similar to above.
	(copy_static_var_set): Renamed from copy_global_bitmap and rewritten
	to allocate a copy on the same bitmap_obstack as the source set.
	(propagate_bits): Simplify, and clarify by using union_static_var_sets.
	(generate_summary): Remove bm_temp.  Print UID of promotable globals.
	(read_write_all_from_decl): Use pass-by-reference, bless C++.
	(get_read_write_all_from_node): New function, split out from propagate.
	(propagate): Simplify and clarify with helper functions.  Use
	ipa_get_nodes_in_cycle to walk all nodes in a reduced node.
	(ipa_reference_read_optimization_summary): Use fndecl_name instead of
	lang_hooks.decl_printable_name.

	* rtl.h (print_rtl_single_with_indent): New prototype.
	* print-rtl.c (print_rtl_single_with_indent): New function.
	* cfghooks.h (empty_block_p, split_block_before_cond_jump): New hooks.
	* cfghooks.c (empty_block_p, split_block_before_cond_jump): Implement.
	* cfgrtl.c (rtl_block_empty_p, rtl_split_block_before_cond_jump):
	Implement RTL specific hooks.
	(rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Register the new hooks.
	* tree-cfg.c (gimple_empty_block_p,
	gimple_split_block_before_cond_jump): Implement GIMPLE specific hooks.
	(gimple_cfg_hooks): Register the new hooks.
	* tree-ssa-phiopt.c (empty_block_p): Remove in favor of new hook.

2012-09-13  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.h (enum vn_kind): New.
	(vn_get_stmt_kind): Likewise.
	* tree-ssa-sccvn.c (vn_get_stmt_kind): New function, adjust
	ADDR_EXPR handling.
	(visit_use): Use it.
	* tree-ssa-pre.c (compute_avail): Likewise, simplify further.

2012-09-13  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

	* config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
	for targets bdver1, bdver2, btver1 and btver2.

2012-09-13  Christophe Lyon  <christophe.lyon@linaro.org>
	    Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.md (arm_rev): Factorize thumb1, thumb2 and arm
	variants for rev instruction..
	(thumb1_rev): Delete pattern.
	(arm_revsh): New pattern to support builtin_bswap16.
	(arm_rev16, bswaphi2): Likewise.

2012-09-12  Teresa Johnson  <tejohnson@google.com>

	PR gcov-profile/54487
	* configure.ac (HOST_HAS_F_SETLKW): Set based on compile
	test using F_SETLKW with fcntl.
	* configure, config.in: Regenerate.

2012-09-12  Jan Hubicka  <jh@suse.cz>

	PR fortran/48636
	* ipa-inline-analysis.c (dump_inline_hints): Dump loop stride.
	(set_hint_predicate): New function.
	(reset_inline_summary): Reset loop stride.
	(remap_predicate_after_duplication): New function.
	(remap_hint_predicate_after_duplication): New function.
	(inline_node_duplication_hook): Update.
	(dump_inline_summary): Dump stride summaries.
	(estimate_function_body_sizes): Compute strides.
	(remap_hint_predicate): New function.
	(inline_merge_summary): Use it.
	(inline_read_section): Read stride.
	(inline_write_summary): Write stride.
	* ipa-inline.c (want_inline_small_function_p): Handle strides.
	(edge_badness): Likewise.
	* ipa-inline.h (inline_hints_vals): Add stride hint.
	(inline_summary): Update stride.

2012-09-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (x86_prefetch_sse): Change to unsigned char.
	* config/i386/i386.h (x86_prefetch_sse): Ditto.

2012-09-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/54445
	* config/i386/predicates.md (x86_64_immediate_operand): Allow
	negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF.

2012-09-12  Jan Hubicka  <jh@suse.cz>

	* common.opt (flto-partition): Add "max".
	* invoke.texi (flto-partition): Document "max"

2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

	* config/i386/i386.md : Comments on fma4 instruction selection
	reflect requirement on register pressure based cost model.

	* config/i386/driver-i386.c (host_detect_local_cpu): fma4
	flag is set-reset as informed by the cpuid flag.

	* config/i386/i386.c (processor_alias_table): fma4
	flag is enabled for bdver2.

2012-09-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54489
	* tree-ssa-pre.c: Include domwalk.h.
	(in_fre): Remove.
	(sccvn_valnum_from_value_id): New function.
	(debug_bitmap_sets_for): Simplify.
	(get_representative_for): Properly initialize the SCCVN valnum.
	(create_expression_by_pieces): Likewise.
	(insert_into_preds_of_block): Likewise.
	(can_PRE_operation): Remove.
	(make_values_for_phi): Simplify.
	(compute_avail): Likewise.
	(do_SCCVN_insertion): Remove.
	(eliminate_avail, eliminate_push_avail, eliminate_insert):
	New functions.
	(eliminate): Split and perform a domwalk.
	(eliminate_bb): Former eliminate part that is now dom-enter.
	(eliminate_leave_block): New function.
	(fini_eliminate): Likewise.
	(init_pre): Simplify.
	(fini_pre): Likewise.
	(execute_pre): Fold into do_pre and do_fre.
	(do_pre): Consume execute_pre.
	(do_fre): Likewise.
	* Makefile.in (tree-ssa-pre.o): Add domwalk.h dependency.

2012-09-12  Diego Novillo  <dnovillo@google.com>

	* vec.h: Remove compatibility notes for previous distinction
	between vectors of objects and vectors of pointers.

2012-09-12  Christian Bruel  <christian.bruel@st.com>

	* config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.

2012-09-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* rtl.h (FFS, FLOAT, ABS, PC): Don't undef.
	* system.h (FFS, FLOAT, ABS, PC): Undef.

2012-09-12  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54553
	* common.opt (finline): Mark with Optimization.

2012-09-12  Jakub Jelinek  <jakub@redhat.com>

	* config.gcc: Obsolete picochip-*.

2012-09-12  Nathan Froyd  <froydnj@gcc.gnu.org>
	    Hans-Peter Nilsson  <hp@bitrange.com>

	* config/mmix/mmix.h (MMIX_REG_OK_STRICT): Delete.
	(REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P): Delete.
	(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
	* config/mmix/mmix-protos.h (mmix_intval): Declare.
	(mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
	(mmix_const_double_ok_for_letter_p): Delete.
	* config/mmix/constraints.md: New file.
	* config/mmix/mmix.md: Include it.
	(iordi3): Fix typo; use "I" instead of undefined "H" constraint.
	("*call_real"): Update comment about not using the "p" constraint.
	* config/mmix/predicates.md (mmix_reg_or_8bit_operand): Use
	satisfies_constraint_I.
	(mmix_address_operand): New predicate.
	(mmix_symbolic_or_address_operand): Use it instead of address_operand.
	* config/mmix/mmix.c: #include tm-constrs.h.
	(mmix_intval): Delete declaration.  Make non-static.
	(mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
	(mmix_const_double_ok_for_letter_p): Delete.
	(mmix_legitimate_address_p): Use satisfies_constraint_I.
	(mmix_print_operand_address): Likewise.
	(mmix_emit_sp_add): Adjust to use insn_const_int_ok_for_constraint
	when matching "L" constraint.

2012-09-11  Steven Bosscher  <steven@gcc.gnu.org>

	* tree.h (expand_case): Move prototype ...
	* expr.h (expand_case): ...here.
	(expand_sjlj_dispatch_table): New prototype.
	* stmt.c: Include pointer-set.h instead of bitmap.h.
	(expand_case): Use a pointer set instead of a bitmap for
	already-seen labels.  Fold label values here.
	(add_case_node): Don't fold label values here.
	(expand_sjlj_dispatch_table): New function.
	* except.c (sjlj_emit_dispatch_table): Use it.

2012-09-11  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c (simplify_vector_constructor): New function.
	(ssa_forward_propagate_and_combine): Call it.

2012-09-11  Diego Novillo  <dnovillo@google.com>

	* var-tracking.c (vt_add_function_parameter): Adjust for VEC changes.

2012-09-11  Dominique Dhumieres  <dominiq@lps.ens.fr>

	* config/darwin.c (darwin_asm_named_section): Adjust for VEC changes.
	(darwin_asm_dwarf_section): Likewise.

2012-09-11  Martin Jambor  <mjambor@suse.cz>

	* dwarf2out.c (dwarf2out_abstract_function): Do not change cfun.
	(premark_used_types): New parameter fun, use it instead of cfun.
	(gen_subprogram_die): Use DECL_STRUCT_FUNCTION (decl) instead of cfun,
	also pass it to premark_used_types.

2012-09-11  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* doc/sourcebuild.texi (arm_neon_v2_ok): Adjust command line.

2012-09-11  Tobias Burnus  <burnus@net-b.de>

	* doc/sourcebuild.texi (arm_neon_v2_ok): Fix @anchor.

2012-09-11  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* config/arm/neon.md (fma<VCVTF:mode>4): New pattern.
	(*fmsub<VCVTF:mode>4): Likewise.
	* doc/sourcebuild.texi (arm_neon_v2_ok, arm_neon_v2_hw):  Document it.

2012-09-11  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/54149
	* tree-ssa-loop-im.c (execute_sm_if_changed_flag_set): Only set
	flag for writes.

2012-09-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55492
	* doc/invoke.texi (max-slsr-cand-scan): New description.
	* gimple-ssa-strength-reduction.c (find_basis_for_candidate): Limit
	the time spent searching for a basis.
	* params.def (PARAM_MAX_SLSR_CANDIDATE_SCAN): New param.

2012-09-11  Richard Guenther  <rguenther@suse.de>

	* gimple.h (gimple_register_type): Remove.
	(print_gimple_types_stats): Adjust prototype.
	* lto-streamer.h (print_lto_report): Likewise.
	* lto-streamer.c (print_lto_report): Adjust.
	* gimple.c (gimple_types, type_hash_cache, enum gtc_mode,
	struct type_pair_d, lookup_type_pair, struct sccs,
	next_dfs_num, gtc_next_dfs_num, struct gimple_type_leader_entry_s,
	gimple_type_leader, gimple_lookup_type_leader, compare_type_names_p,
	gtc_visit, gimple_types_compatible_p_1, gimple_types_compatible_p,
	visit, iterative_hash_name, struct type_hash_pair,
	type_hash_pair_compare, iterative_hash_gimple_type, gimple_type_hash,
	gimple_type_eq, gimple_register_type_1, gimple_register_type):
	Move to lto/lto.c.
	(print_gimple_types_stats): Adjust.
	(free_gimple_type_tables): Likewise.

2012-09-11  Richard Guenther  <rguenther@suse.de>

	* graphite-scop-detection.c (move_sd_regions): Adjust for VEC changes.
	(scopdet_basic_block_info): Likewise.
	(build_scops_1): Likewise.
	(limit_scops): Likewise.

2012-09-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54515
	* gimple.c (get_base_address): Do not return NULL_TREE apart
	from for WITH_SIZE_EXPR.
	* gimple-fold.c (canonicalize_constructor_val): Do not call
	get_base_address when not necessary.

2012-09-10  Andrew Pinski  <apinski@cavium.com>

	PR tree-opt/54362
	* trans-mem.c (thread_private_new_memory): Handle COND_EXPR also.

2012-09-10  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/m68k/m68k.c (m68k_sched_dfa_post_advance_cycle): Support
	starting scheduling from a pre-existing state.

2012-09-10  Diego Novillo  <dnovillo@google.com>

	* vec.h (vec_t::quick_push): Remove overload that accepts 'T *'.
	Update all users.
	(vec_t::safe_push): Likewise.
	(vec_t::quick_insert): Likewise.
	(vec_t::lower_bound): Likewise.
	(vec_t::safe_insert): Likewise.
	(vec_t::replace): Change second argument to 'T &'.

2012-09-10  Maciej W. Rozycki  <macro@codesourcery.com>

	* config/rs6000/rs6000.md: Move a splitter next to its insn.

2012-09-10  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54089
	* config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Set always to 1 if
	dynamic shifts are available.
	(SHIFT_COUNT_TRUNCATED): Always define to 0.  Correct comment.
	* config/sh/sh.c (ashl_lshr_seq, ext_ashl_lshr_seq): Add comments.
	* config/sh/predicates.md (shift_count_operand): Allow
	arith_reg_operand even if TARGET_DYNSHIFT is false.
	* config/sh/sh.md (ashlsi3, lshrsi3): Expand library call patterns
	if needed.
	(ashlsi3_d_call, lshrsi3_d_call): New insns.

2012-09-10  Richard Sandiford  <rdsandiford@googlemail.com>

	* ira.c (setup_pressure_classes): Handle synonymous classes.

2012-09-10  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c (simplify_bitfield_ref): New function.
	(ssa_forward_propagate_and_combine): Call it.

2012-09-10  Steve Ellcey  <sellcey@mips.com>

	* config.gcc: Add mips*-mti-linux* target
	Handle with_synci like other options.
	* config/mips/gnu-user64.h (LINUX64_DRIVER_SELF_SPECS): New.
	(DRIVER_SELF_SPECS): Define in terms of LINUX64_DRIVER_SELF_SPECS.
	* config/mips/mips.h (MIPS_ISA_SYNCI_SPEC): New.
	* config/mips/mti-linux.h: New file.
	* config/mips/t-mti-linux: New file.

2012-09-10  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c (simplify_permutation): Handle CONSTRUCTOR.

2012-09-10  Martin Jambor  <mjambor@suse.cz>

	* params.def (PARAM_IPA_MAX_AGG_ITEMS): New parameter.
	* ipa-prop.c: Include params.h.
	(IPA_MAX_AFF_JF_ITEMS): Removed.
	(determine_known_aggregate_parts): Use param value of
	PARAM_IPA_MAX_AGG_ITEMS instead of IPA_MAX_AFF_JF_ITEMS.
	* Makefile.in (ipa-prop.o): Add PARAMS_H dependency.

2012-09-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54520
	* tree-ssa-threadupdate.c (def_split_header_continue_p):
	Properly consider sub-loops.

2012-09-10  Richard Henderson  <rth@redhat.com>

	* config/alpha/predicates.md (small_symbolic_operand): Disallow
	large offsets.

2012-09-10  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54536
	* config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".

2012-09-10  Jan Hubicka  <jh@suse.cz>

	* lto-cgraph.c (compute_ltrans_boundary): Do not care about aliases.
	* symtab.c (symtab_make_decl_local): Remove user defined visibility
	when making symbol local.

2012-09-09  Mark Kettenis  <kettenis@gnu.org>

	* config/openbsd-stdint.h (INTMAX_TYPE, UINTMAX_TYPE): Define.

2012-09-09  Jan Hubicka  <jh@suse.cz>

	* passes.c (ipa_write_summaries_1): Set state;
	do not call compute_ltrans_boundary.
	(ipa_write_optimization_summaries): Likewise.
	(ipa_write_summaries): compute_ltrans_boundary here.
	* lto-streamer.h (lto_symtab_encoder_d): NODES are allocated in heap.
	(compute_ltrans_boundary): Update prototype.

2012-09-09  Ulrich Drepper  <drepper@gmail.com>

	* config/i386/cpuid.h: Define signature_*_e[bcd]x macros for
	matching results of level 0 calls to __cpuid to processor
	manufacturers.
	* config/i386/driver-i386.c (vendor_signatures): Removed.
	(processor_signatures): Removed.
	(host_detect_local_cpu): Replace uses of now-removed SIG_*
	constants with the new signature_*_ebx constants.

2012-09-08  Jan Hubicka  <jh@suse.cz>

	Replace cgraph_node_set and varpool_node_set by symtab_node_encoder
	in partitioning.
	* tree-pass.h (cgraph_node_set_def, varpool_node_set_def): Remove
	forward declaration.
	(lto_symtab_encoder_d): Forward declare.
	(ipa_write_optimization_summaries): Update.
	* lto-cgraph.c (lto_symtab_encoder_new): Do not initialize
	body, initializer and in_partition.
	(lto_symtab_encoder_delete): Update.
	(lto_symtab_encoder_encode): Update.
	(lto_symtab_encoder_lookup): Move inline.
	(lto_symtab_encoder_delete_node): New function.
	(lto_symtab_encoder_encode_body_p, lto_set_symtab_encoder_encode_body,
	lto_symtab_encoder_encode_initializer_p,
	lto_set_symtab_encoder_encode_initializer,
	lto_symtab_encoder_in_partition_p,
	lto_symtab_encoder_in_partition_p): Update.
	(compute_ltrans_boundary): Take encoder as an input.
	* passes.c (ipa_write_summaries_1): Update.
	(ipa_write_summaries_1): Update.
	(ipa_write_summaries): Update.
	(ipa_write_optimization_summaries): Update.
	* lto-streamer.c (print_lto_report): Report number of cgraph nodes.
	* lto-streamer.h (lto_stats_d): Replace num_output_cgraph_nodes by
	num_output_symtab_nodes.
	(lto_encoder_entry): New structure.
	(struct lto_symtab_encoder_d): Reorg.
	(lto_symtab_encoder_delete_node): Declare.
	(lto_symtab_encoder_lookup): Bring inline.
	(compute_ltrans_boundary): Update.
	(lto_symtab_encoder_size): Update.
	(lsei_node, lsei_cgraph_node, lsei_varpool_node): Update.
	(lto_symtab_encoder_deref): Update.

2012-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.c (hppa_rtx_costs): Update costs for large
	integer modes.

2012-09-08  Andi Kleen  <ak@linux.intel.com>

	* lto/lto.c (do_whole_program_analysis): Fix last broken patch.

2012-09-08  Andi Kleen  <ak@linux.intel.com>

	* common.opt (-fmem-report-wpa): Add
	* doc/invoke.texi (-fmem-report-wpa): Document.
	* lto/lto.c (do_whole_program_analysis): Run mem_report
	when mem_report_wpa is set.

2012-09-07  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.c (moxie_expand_prologue): Optimize prologue
	for functions with large static stack requirements.
	(moxie_expand_epilogue): Use $r12 instead of $r5 for pulling saved
	values off of the stack.

2012-09-07  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.h (DBX_DEBUGGING_INFO): Define.
	(ASM_GENERATE_INTERNAL_LABEL): Define if not already provided.
	* config/v850/v850.c (compute_register_save_size): Always include
	the link pointer.
	(increment_stack): New function - emits insns to increment or
	decrement the stack pointer.
	(expand_prologue, expand_epilogue): Use it.
	(expand_prologue): Set the function stack size, if requested.
	(v850_debug_unwind_info): New function.
	(TARGET_DEBUG_UNWIND_INFO): Define.

2012-09-07  Richard Earnshaw  <rearnsha@arm.com>

	PR tree-ssa/54295
	* tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
	Sign-extension of a zero-extended value can be simplified to
	just zero-extension.

2012-09-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53667
	* tree-ssa-structalias.c (handle_rhs_call): Properly clobber
	EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
	arguments separately.

2012-09-07  Steven Bosscher  <steven@gcc.gnu.org>

	* bitmap.c (bitmap_last_set_bit): Rewrite to return the correct bit.

	* graphite.c (print_global_statistics): Use EDGE_COUNT instead
	of VEC_length.
	(print_graphite_scop_statistics): Likewise.
	* graphite-scop-detection.c (get_bb_type): Use single_succ_p.
	(print_graphite_scop_statistics): Use EDGE_COUNT, not VEC_length.
	(canonicalize_loop_closed_ssa): Use single_pred_p.

	* alias.c (reg_seen): Make this an sbitmap.
	(record_set, init_alias_analysis): Update.

	* tree-ssa-coalesce.c (ssa_conflicts_dump): Fix dumping.

2012-09-07  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/53986
	* tree-vrp.c (extract_range_from_multiplicative_op_1): Allow
	LSHIFT_EXPR.
	(extract_range_from_binary_expr_1): Handle LSHIFT with constant
	range as shift amount.

2012-09-07  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/aix43.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/aix51.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/aix52.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/aix53.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/aix61.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/freebsd64.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/linux64.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/rs6000.c (print_operand) ['.']: Delete.
	* config/rs6000/rs6000.h (RS6000_CALL_GLUE): Delete.
	* config/rs6000/rs6000.md (tls_gd_aix<TLSmode:tls_abi_suffix>):
	Replace %. with nop.
	(tls_gd_call_aix<TLSmode:tls_abi_suffix>): Ditto.
	(tls_ld_aix<TLSmode:tls_abi_suffix>): Ditto.
	(tls_ld_call_aix<TLSmode:tls_abi_suffix>): Ditto.
	(call_nonlocal_aix32): Ditto.
	(call_nonlocal_aix64): Ditto.
	(call_value_nonlocal_aix32): Ditto.
	(call_value_nonlocal_aix64): Ditto.

2012-09-06  Andi Kleen  <ak@linux.intel.com>

	* doc/invoke.texi (-ffat-lto-objects): Clarify that gcc-ar
	et.al. should be used.

2012-09-06  Andi Kleen  <ak@linux.intel.com>

	* lto-streamer.h (res_pair): Add.
	(lto_file_decl_data): Replace resolutions with respairs.
	Add max_index.
	* lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
	Initialize respairs.
	(lto_file_finalize): Set up resolutions vector lazily from respairs.

2012-09-06  Lawrence Crowl  <crowl@google.com>

	* double-int.h (double_int::operator &=): New.
	(double_int::operator ^=): New.
	(double_int::operator |=): New.
	(double_int::mul_with_sign): Modify overflow parameter to bool*.
	(double_int::add_with_sign): New.
	(double_int::ule): New.
	(double_int::sle): New.
	(binary double_int::operator *): Remove parameter name.
	(binary double_int::operator +): Likewise.
	(binary double_int::operator -): Likewise.
	(binary double_int::operator &): Likewise.
	(double_int::operator |): Likewise.
	(double_int::operator ^): Likewise.
	(double_int::and_not): Likewise.
	(double_int::from_shwi): Tidy formatting.
	(double_int::from_uhwi): Likewise.
	(double_int::from_uhwi): Likewise.
	* double-int.c (double_int::mul_with_sign): Modify overflow parameter
	to bool*.
	(double_int::add_with_sign): New.
	(double_int::ule): New.
	(double_int::sle): New.
	* builtins.c: Modify to use the new double_int interface.
	* cgraph.c: Likewise.
	* combine.c: Likewise.
	* dwarf2out.c: Likewise.
	* emit-rtl.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* fixed-value.c: Likewise.
	* fold-const.c: Likewise.
	* gimple-fold.c: Likewise.
	* gimple-ssa-strength-reduction.c: Likewise.
	* gimplify-rtx.c: Likewise.
	* ipa-prop.c: Likewise.
	* loop-iv.c: Likewise.
	* optabs.c: Likewise.
	* stor-layout.c: Likewise.
	* tree-affine.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-dfa.c: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-object-size.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-sccvn: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-vect-loop-manip.c: Likewise.
	* tree-vrp.c: Likewise.
	* tree.h: Likewise.
	* tree.c: Likewise.
	* varasm.c: Likewise.

2012-09-06  Uros Bizjak  <ubizjak@gmail.com>

	* configure.ac (hle prefixes): Remove .code64 directive.
	* configure: Regenerated.

2012-09-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c: Use CONST_INT_P, CONST_DOUBLE_P, REG_P, MEM_P,
	LABEL_P, JUMP_P, CALL_P, NOTE_P, BARRIER_P consistently.
	* config/arm/arm.h: Use REG_P, MEM_P consistently.
	* config/arm/arm.md: Use CONST_INT_P, REG_P, MEM_P, CONST_DOUBLE_P
	consistently.
	* config/arm/neon.md: Use REG_P consistently.
	* config/arm/predicates.md: Use CONST_INT_P, REG_P, MEM_P consistently.
	* config/arm/thumb2.md: Use CONST_INT_P, REG_P consistently.
	* config/arm/vec-common.md: Use REG_P consistently.

2012-09-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54498
	* tree-ssa-alias.h (get_continuation_for_phi): Add flag to
	abort when reaching an already visited region.
	* tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
	(get_continuation_for_phi_1): Likewise.
	(walk_non_aliased_vuses): When we translated the reference,
	abort when we re-visit a region.
	* tree-ssa-pre.c (translate_vuse_through_block): Adjust.

2012-09-06  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Add TLS
	section.
	* config/rs6000/rs6000.c (rs6000_debug_address_cost): Add new
	arguments to TARGET_ADDRESS_COST call.

2012-09-06  Richard Guenther  <rguenther@suse.de>

	* tree.h (MOVE_NONTEMPORAL): Remove.
	* tree-pretty-print.c (dump_generic_node): Remove
	MOVE_NONTEMPORAL handling.
	* expr.c (expand_expr_real_1): Likewise.

2012-09-06  Richard Guenther  <rguenther@suse.de>

	* passes.c (execute_function_todo): Call compute_may_aliases
	only if flag_tree_pta is set.

2012-09-06  Andrew Pinski  <apinski@cavium.com>

	PR tree-opt/54494
	* tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.

2012-09-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/54455
	* sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
	bb ends up with asm goto referencing bb's label.

2012-09-06  Chen Liqin  <liqin.gcc@gmail.com>

	* config/score/score.c: Remove TARGET_LEGITIMIZE_ADDRESS define and
	score_legitimize_address function, use compiler default code instead.

2012-09-05  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (want_inline_small_function_p): Use
	INLINE_HINT_loop_iterations hint.

2012-09-05  Andrew Pinski  <apinski@cavium.com>

	* optabs.c (emit_conditional_add): Correct comment about the arguments.
	Remove code which might swap op2 and op3 since they cannot be swapped.
	* doc/md.texi (add@var{mode}cc): Fix document about how the arguments
	are used.

2012-09-05  Oleg Endo  <olegendo@gcc.gnu.org>

	* hooks.c (hook_int_rtx_mode_as_bool_0): New function.
	* hooks.h (hook_int_rtx_mode_as_bool_0): Declare it.
	* output.h (default_address_cost): Add machine_mode and address space
	arguments.
	* target.def (address_cost): Likewise.
	* rtlanal.c (address_cost): Pass mode and address space to target hook.
	(default_address_cost): Add unnamed machine_mode and address space
	arguments.
	* doc/tm.texi: Regenerate.
	* config/alpha/alpha.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/arm/arm.c (arm_address_cost): Add machine_mode and address
	space arguments.
	* config/avr/avr.c (avr_address_cost): Likewise.
	* config/bfin/bfin.c (bfin_address_cost): Likewise.
	* config/cr16/cr16.c (cr16_address_cost): Likewise.
	* config/cris/cris.c (cris_address_cost): Likewise.
	* config/epiphany/epiphany.c (epiphany_address_cost): Likewise.
	* config/i386/i386.c (ix86_address_cost): Likewise.
	* config/ia64/ia64.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/iq2000/iq2000.c (iq2000_address_cost): Add machine_mode and
	address space arguments.  Pass them on in recursive invocation.
	* config/lm32/lm32.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/m32c/m32c.c (m32c_address_cost): Add machine_mode and address
	space arguments.
	* config/m32r/m32r.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/mcore/mcore.c (TARGET_ADDRESS_COST): Likewise.
	* config/mep/mep.c (mep_address_cost): Add machine_mode and address
	space arguments.
	* config/microblaze/microblaze.c (microblaze_address_cost): Likewise.
	* config/mips/mips.c (mips_address_cost): Likewise.
	* config/mmix/mmix.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/mn10300/mn10300.c (mn10300_address_cost): Add machine_mode and
	address space arguments.
	(mn10300_rtx_costs): Pass GET_MODE (x) and MEM_ADDR_SPACE (x) to
	mn10300_address_cost.
	* config/pa/pa.c (hppa_address_cost): Add machine_mode and address
	space arguments.
	* config/rs6000/rs6000.c (rs6000_debug_address_cost): Likewise.
	(TARGET_ADDRESS_COST): Use hook_int_rtx_mode_as_bool_0 instead of
	hook_int_rtx_bool_0.
	* config/rx/rx.c (rx_address_cost): Add machine_mode and address
	space arguments.
	* config/s390/s390.c (s390_address_cost): Likewise.
	* config/score/score-protos.h (score_address_cost): Likewise.
	* config/score/score.c (score_address_cost): Likewise.
	* config/sh/sh.c (sh_address_cost): Likewise.
	* config/sparc/sparc.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/spu/spu.c (TARGET_ADDRESS_COST): Likewise.
	* config/stormy16/stormy16.c (xstormy16_address_cost): Add machine_mode
	and address space arguments.
	* config/v850/v850.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/vax/vax.c (vax_address_cost): Add machine_mode and address
	space arguments.
	* config/xtensa/xtensa (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.

2012-09-05  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54484
	* vec.h (vec_t::lower_bound): Fix spelling of LESSTHAN argument.

2012-09-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/54486
	* builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
	build_int_cst with size_type_node instead of size_int.

2012-09-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>):
	Use register_operand instead of reg_not_xmm0_operand{,_maybe_avx}.
	Use nonimmediate_operand instead of
	nonimm_not_xmm0_operand{,_maybe_avx}.
	(<sse4_1_avx2>_pblendvb): Ditto.
	(sse4_2_pcmpestr): Ditto.
	(*sse4_2_pcmpestr_unaligned): Ditto.
	(sse4_2_pcmpistr): Ditto.
	(*sse4_2_pcmpistr_unaligned): Ditto.
	* config/i386/predicates.md (reg_not_xmm0_operand): Remove predicate.
	(nonimm_not_xmm0_operand): Ditto.
	(nonimm_not_xmm0_operand_maybe_avx): Ditto.
	(nonimm_not_xmm0_operand_maybe_avx): Ditto.
	* config/i386/i386.md (rdpmc): Do not force operand 1 into ecx.

2012-09-05  Eric Botcazou  <ebotcazou@adacore.com>

	* bb-reorder.c: Clarify a few points in the head comment and fix
	long lines in other comments.
	(find_traces): Fix long line.
	(find_traces_1_round): Likewise.
	(better_edge_p): Likewise.
	(connect_traces): Likewise.
	(duplicate_computed_gotos): Likewise.
	(find_rarely_executed_basic_blocks_and_cr): Remove trailing spaces.
	(fix_up_fall_thru_edges): Fix formatting.

2012-09-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46590
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Do not
	update SSA form here.
	(canonicalize_induction_variables): Assert we do not need to
	update SSA form.
	(tree_unroll_loops_completely): Update SSA form here.
	* tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge):
	Do not verify loop-closed SSA form if SSA form is not up-to-date.

2012-09-05  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54461
	* config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
	not configured --with-avrlibc=no.
	(tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured
	--with-avrlibc=no.
	* config/avr/avrlibc.h: New file.
	* config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
	not configured --with-avrlibc=no.
	* doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__

2012-09-04  Teresa Johnson  <tejohnson@google.com>

	* gcov-io.c (gcov_write_summary): Write out non-zero histogram
	entries to function summary along with an occupancy bit vector.
	(gcov_read_summary): Read in the histogram entries.
	(gcov_histo_index): New function.
	(void gcov_histogram_merge): Ditto.
	* gcov-io.h (gcov_type_unsigned): New type.
	(struct gcov_bucket_type): Ditto.
	(struct gcov_ctr_summary): Include histogram.
	(GCOV_TAG_SUMMARY_LENGTH): Update to include histogram entries.
	(GCOV_HISTOGRAM_SIZE): New macro.
	(GCOV_HISTOGRAM_BITVECTOR_SIZE): Ditto.
	* profile.c (NUM_GCOV_WORKING_SETS): Ditto.
	(gcov_working_sets): New global variable.
	(compute_working_sets): New function.
	(find_working_set): Ditto.
	(get_exec_counts): Invoke compute_working_sets.
	* coverage.c (read_counts_file): Merge histograms, and
	fix bug with accessing summary info for non-summable counters.
	* basic-block.h (gcov_type_unsigned): New type.
	(struct gcov_working_set_info): Ditto.
	(find_working_set): Declare.
	* gcov-dump.c (tag_summary): Dump out histogram.

2012-09-04  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54484
	* vec.h (vec_t::embedded_init): Move default argument value
	to function declaration.

2012-09-04  Eric Botcazou  <ebotcazou@adacore.com>

	* bb-reorder.c (gate_handle_reorder_blocks): Move around.
	(rest_of_handle_reorder_blocks): Likewise.
	(pass_reorder_blocks): Likewise.
	(gate_handle_partition_blocks): Likewise.

2012-09-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/54456
	* sched-rgn.c (gate_handle_sched): Return 1 only if optimize > 0.

2012-09-04  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54478
	* vec.h (vec_t::alloc): Remove explicit type specification
	in call to reserve.
	(vec_t::copy): Likewise.
	(vec_t::reserve): Likewise.
	(vec_t::reserve_exact): Likewise.
	(vec_t::safe_splice): Likewise.
	(vec_t::safe_push): Likewise.
	(vec_t::safe_grow): Likewise.
	(vec_t::safe_grow_cleared): Likewise.
	(vec_t::safe_insert): Likewise.

2012-09-04  Richard Henderson  <rth@redhat.com>

	* alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.

2012-09-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (value_expressions): Make it a vector of
	bitmaps containing expression IDs.
	(add_to_value): Adjust.
	(sorted_array_from_bitmap_set): Likewise.
	(bitmap_set_replace_value): Likewise.
	(print_value_expressions): Likewise.
	(get_constant_for_value_id): Likewise.
	(get_representative_for): Likewise.
	(phi_translate_1): Likewise.
	(bitmap_find_leader): Likewise.
	(find_or_generate_expression): Likewise.
	(do_regular_insertion): Likewise.
	(init_pre): Likewise.
	(fini_pre): Likewise.

2012-09-04  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54479
	* vec.h (vec_t::copy): Add cast in call to reserve_exact.

2012-09-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (add_to_exp_gen): Adjust.
	(make_values_for_phi): Do not add to PHI_GEN for FRE.
	(compute_avail): Stop processing after adding all defs to
	AVAIL_OUT for FRE.
	(init_pre): Do not allocate not needed bitmap sets for FRE.

2012-09-04  Diego Novillo  <dnovillo@google.com>

	Rewrite VEC_* functions as member functions of vec_t.

	* vec.h: Update documentation.
	(ALONE_VEC_CHECK_INFO): Define.
	(ALONE_VEC_CHECK_DECL): Define.
	(ALONE_VEC_CHECK_PASS): Define.
	(struct vec_prefix): Rename field NUM to NUM_.
	Rename field ALLOC to ALLOC_.
	Update all users.
	(struct vec_t): Rename field PREFIX to PREFIX_.
	Rename field VEC to VEC_.
	Update all users.
	(vec_t::length): Rename from VEC_length_1.  Update all users.
	(vec_t::empty): Rename from VEC_empty_1.  Update all users.
	(vec_t::address): Rename from VEC_address_1.  Update all users.
	(vec_address): New.
	(vec_t::last): Rename from VEC_last_1.  Update all users.
	(vec_t::operator[]): Rename from VEC_index_1.  Update all users.
	(vec_t::iterate): Rename from VEC_iterate_1.  Update all users.
	(vec_t::embedded_size): Rename from VEC_embedded_size_1.
	Update all users.
	(vec_t::embedded_init): Rename from VEC_embedded_init_1.
	Update all users.
	(vec_t::alloc): Rename from VEC_alloc_1.  Update all users.
	(vec_t::free): Rename from VEC_free_1.  Update all users.
	(vec_t::copy): Rename from VEC_copy_1.  Update all users.
	(vec_t::space): Rename from VEC_space_1.  Update all users.
	(vec_t::reserve): Rename from VEC_reserve_1.  Update all users.
	(vec_t::reserve_exact): Rename from VEC_reserve_exact_1.
	Update all users.
	(vec_t::splice): Rename from VEC_splice_1.  Update all users.
	(vec_t::safe_splice): Rename from VEC_safe_splice_1.  Update all users.
	(vec_t::quick_push): Rename from VEC_quick_push_1.  Update all users.
	(vec_t::safe_push): Rename from VEC_safe_push_1.  Update all users.
	(vec_t::pop): Rename from VEC_pop_1.  Update all users.
	(vec_t::truncate): Rename from VEC_truncate_1.  Update all users.
	(vec_t::safe_grow): Rename from VEC_safe_grow_1.  Update all users.
	(vec_t::safe_grow_cleared): Rename from VEC_safe_grow_cleared_1.
	Update all users.
	(vec_t::replace): Rename from VEC_replace_1.  Update all users.
	(vec_t::quick_insert): Rename from VEC_quick_insert_1.
	Update all users.
	(vec_t::safe_insert): Rename from VEC_safe_insert_1.  Update all users.
	(vec_t::ordered_remove): Rename from VEC_ordered_remove_1.
	Update all users.
	(vec_t::unordered_remove): Rename from VEC_unordered_remove_1.
	Update all users.
	(vec_t::block_remove): Rename from VEC_block_remove_1. Update all users.
	(vec_t::lower_bound): Rename from VEC_lower_bound_1. Update all users.

2012-09-04  Steven Bosscher  <steven@gcc.gnu.org>

	* gimple.h (gimple_build_switch): Remove.
	(gimple_build_switch_vec): Promote to the new gimple_build_switch.
	(gimple_switch_default_label): Assert the default case label is
	really a default case label.
	(gimple_switch_set_default_label): Likewise.
	* gimple.c (gimple_build_switch_nlabels): Make sure a default label
	is passed in, and simplify accordingly.
	(gimple_build_switch): Removed.
	(gimple_build_switch_vec): Rename to gimple_build_switch.
	* gimplify.c (gimplify_switch_expr): Update gimple_build_switch use.
	* gimple-pretty-print.c (dump_gimple_switch): Do not accept a NULL
	case label.
	* stmt.c (expand_case): Simplify using the fact that every GIMPLE
	switch must have a default case.
	* tree-cfg.c (group_case_labels_stmt): Likewise.
	(verify_gimple_switch): Use gimple_switch_label in verifier to get
	the label at index 0, and verify that it is a valid default case.
	* except.c (sjlj_emit_dispatch_table): Rewrite construction of the
	switch for dispatching.
	* tree-eh.c (lower_try_finally_switch): Update gimple_build_switch use.
	(lower_eh_dispatch): Likewise.
	* tree-vrp.c (execute_vrp): Use gimple_switch_label to get the case
	label at index 0 before turning it into a default case label.
	* omp-low.c (expand_omp_sections): Update gimple_build_switch use.
	* tree-switch-conversion.c (emit_case_bit_tests): Get the default case
	label using gimple_switch_default_label.
	(collect_switch_conv_info): Likewise.
	(process_switch): Likewise.
	* doc/gimple.texi: Update documentation of gimple_build_switch.

2012-09-04  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54476
	* config/avr/avr.c (avr_expand_delay_cycles): Mask operand with
	SImode.

2012-09-04  Bin Cheng  <bin.cheng@arm.com>

	PR target/45070
	* config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
	of size less than 4 bytes by using macro ARM_NUM_INTS.
	(thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.

2012-09-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54458
	* tree-ssa-threadupdate.c (thread_through_loop_header): If we
	turn the loop into one with multiple latches mark it so.

2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	PR target/54220
	* config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
	define to...
	(avr_allocate_stack_slots_for_args): ...this new static function.

2012-09-04  Christophe Lyon  <christophe.lyon@linaro.org>

	* config/arm/arm.c (arm_expand_builtin): Replace gen_rtx_CONST_INT
	by GEN_INT.
	(arm_emit_coreregs_64bit_shift): Likewise.

2012-09-04  Christophe Lyon  <christophe.lyon@linaro.org>

	* config/arm/arm.c (arm_evpc_neon_vext): New function.
	(arm_expand_vec_perm_const_1): Add call to arm_evpc_neon_vext.

2012-09-04  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/51244
	* config/sh/sh.c (prepare_cbranch_operands): Pull out comparison
	canonicalization code into...
	* (sh_canonicalize_comparison): This new function.
	* config/sh/sh-protos.h: Declare it.
	* config/sh/sh.h: Use it in new macro CANONICALIZE_COMPARISON.
	* config/sh/sh.md (cbranchsi4): Remove TARGET_CBRANCHDI4 check and
	always invoke expand_cbranchsi4.

2012-09-03  Andi Kleen  <ak@linux.intel.com>

	* tree-ssa-sccvn.c (vn_reference_fold_indirect): Initialize
	addr_offset always.

2012-09-03  Andrew Pinski  <apinski@cavium.com>

	PR tree-opt/53395
	* tree-if-conv.c (constant_or_ssa_name): New function.
	(fold_build_cond_expr): New function.
	(predicate_scalar_phi): Use fold_build_cond_expr instead of build3.
	(predicate_mem_writes): Likewise.

2012-09-03  Marc Glisse  <marc.glisse@inria.fr>

	* fold-const.c (fold_ternary_loc): Constant-propagate after
	removing dead operands.

2012-09-03  Michael Matz  <matz@suse.de>

	PR tree-optimization/46590
	* tree-cfg.c (gimple_duplicate_sese_region): Don't update
	SSA web here ...
	* tree-ssa-loop-ch.c (copy_loop_headers): ... but here.

2012-09-03  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Fix numerous typos and punctuation/grammatical
	errors throughout the file.  Re-word some awkward sentences and
	paragraphs.

2012-09-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54362
	* tree-ssa-structalias.c (find_func_aliases): Handle COND_EXPR.

2012-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_loadrelative_operand_p): New function.
	(s390_check_qrst_address, print_operand_address): Use
	s390_loadrelative_operand_p instead of s390_symref_operand_p.
	(s390_check_symref_alignment): Accept pointer size alignment for
	GOT slots.
	(legitimize_pic_address): Use load relative on z10 or later.

2012-09-03  Jakub Jelinek  <jakub@redhat.com>

	PR debug/53923
	* valtrack.c (dead_debug_insert_temp): Drop non-reg uses
	from the chain.

2012-09-03  Joseph Myers  <joseph@codesourcery.com>

	* common.opt (--no-sysroot-suffix): New driver option.
	* doc/invoke.texi (--no-sysroot-suffix): Document.
	* gcc.c (driver_handle_option): Handle --no-sysroot-suffix as not
	needing spec processing.
	(main): Do not process sysroot suffixes if no_sysroot_suffix.

2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/33135
	* common/config/sh/sh-common.c: Update copyright years.
	(sh_option_init_struct): Delete.
	(TARGET_OPTION_INIT_STRUCT): Likewise.

2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/54418
	* config/sh/sh.md (cmpgeusi_t): Remove N alternative.
	Check operands[1] in split condition instead of operands[0].
	Add comments.

2012-09-02  Mark Kettenis  <kettenis@openbsd.org>

	* config.gcc (x86_64-*-openbsd*): New target.
	* config.host (*-*-openbsd*): New target.
	* config/openbsd.h (TARGET_C99_FUNCTIONS): Define.
	* config/i386/openbsdelf.h: Remove some superfluous defines and
	group things together in a more logical fashion.
	(DBX_REGISTER_NUMBER): Provide a
	definition that works on both 32-bit and 64-bit targets.
	(WCHAR_TYPE_SIZE): Hardcode as 32.
	(NO_DOLLAR_IN_LABEL): Remove undef.
	(TARGET_DEFAULT): Remove.
	(SET_ASM_OP): Remove.
	(DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning.
	(ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h
	(DWARF2_UNWIND_INFO): Remove define.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/host-openbsd.c: New file.
	* config/t-openbsd (USER_H): Add EXTRA_HEADERS.
	* config/x-openbsd: New file.

2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.md (*extend<mode>si2_compact_mem_disp): Pass iterated
	mode to sh_legitimate_index_p instead of QImode.

2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/54369
	* config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
	calling dbr_schedule.
	* config/sparc/sparc.c (sparc_reorg): Likewise.

2012-09-01  Jakub Jelinek  <jakub@redhat.com>

	PR target/54436
	* config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
	operands[1] is CONST_INT_P, convert it to QImode before printing.

2012-09-01  Andrew Pinski  <apinski@cavium.com>

	* simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
	A truncate of a memory is just loading the low part of the memory.

2012-09-01  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46829
	PR target/46843
	* config/i386/i386.c (ix86_legitimate_combined_insn): New function.
	(TARGET_LEGITIMATE_COMBINED_INSN): New macro.

2012-09-01  Uros Bizjak  <ubizjak@gmail.com>

	* target.def (legitimate_combined_insn): New target hook.
	* doc/tm.texi.in (TARGET_LEGITIMATE_COMBINED_INSN): New hook.
	* doc/tm.texi: Regenerated.
	* combine.c (recog_for_combine): Call targetm.legitimate_combined_insn
	to allow targets to reject combined insn.
	* hooks.h (hook_bool_rtx_true): New.
	* hooks.c (hook_bool_rtx_true): Ditto.

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline-analysis.c (estimate_function_body_sizes): Allocate
	nonconstant_names after calculate_dominance_info and
	loop_optimizer_init.

2012-08-31  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (arm_expand_epilogue): Remove unused variable
	floats_from_frame.

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/54409
	* ipa-inline-analysis.c (remap_predicate): Fix the offset_map
	checking condition.

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline-analysis.c (phi_result_unknown_predicate): New function.
	(predicate_for_phi_result): Likewise.
	(estimate_function_body_sizes): Use the above two functions.

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/54394
	* ipa-inline-analysis.c (estimate_function_body_sizes): Compute
	dominance info and loops whenever optimizing.

2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Richard Earnshaw  <richard.earnshaw@arm.com>

	PR target/54252
	* config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
	element size. Use elem_type from the formal parameter. New parameter
	fcode.
	(neon_expand_args): Adjust call to neon_dereference_pointer.

2012-08-29  Steven Bosscher  <steven@gcc.gnu.org>

	* cfg.c (dump_bb_info): Print a newline if there were no edges to dump.

2012-08-29  Chung-Lin Tang  <cltang@codesourcery.com>

	Revert:
	* config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
	mapping style, add ../lib/mips16.
	(MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
	(MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.

2012-08-29  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_synci
	if TARGET_SYNCI.

2012-08-29  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.opt (menable-tas): Rename to mtas.
	* doc/invoke.texi (SH options): Likewise.
	* config/sh/sync.md: Update comments.

2012-08-29  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/iterators.md: New file.
	* config/sh/sync.md (I124, I12, i124suffix): Delete.  Replace usage
	with new iterators QIHISI, QIHI, bw, bwl respectively throughout
	the file.
	* config/sh/sh.md: Include new file iterators.md.
	(zero_extendhisi2, zero_extendqisi2): Fold into zero_extend<mode>si2.
	(*zero_extendhisi2_compact, *zero_extendqisi2_compact): Fold into
	*zero_extend<mode>si2_compact.
	(*zero_extendqisi2_disp_mem, zero_extendhisi2_disp_mem): Fold into
	*zero_extend<mode>si2_disp_mem.
	(extendhisi2, extendqisi2): Fold into extend<mode>si2.
	(*extendqisi2_compact_reg, *extendhisi2_compact_reg): Fold into
	*extend<mode>si2_compact_reg.
	(*extendqisi2_compact_mem_disp, *extendhisi2_compact_mem_disp): Fold
	into *extend<mode>si2_compact_mem_disp.
	(*extendqisi2_compact_snd, *extendhisi2_compact_snd): Fold into
	*extend<mode>si2_compact_snd.
	(*movsi_index_disp, *movhi_index_disp): Fold with iterators and rename
	to *movsi_index_disp_load, *movhi_index_disp_load,
	*mov<mode>_index_disp_store.
	(*movqi_reg_reg, *movhi_reg_reg): Fold into *mov<mode>_reg_reg.
	(*movqi_store_mem_disp04, *movhi_store_mem_disp05): Fold into
	*mov<mode>_store_mem_disp04.
	(*movqi_store_mem_disp12, *movhi_store_mem_disp13): Fold into
	*mov<mode>_store_mem_disp12.
	(*movqi_load_mem_disp, *movhi_load_mem_disp): Fold into
	*mov<mode>_load_mem_disp04 and *mov<mode>_load_mem_disp12.

2012-08-29  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline.h (estimate_edge_hints): Call do_estimate_edge_hints, not
	do_estimate_edge_time.

2012-08-29  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Add nomips16 asm
	directives, remove #ifndef __mips16 guards.
	* config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
	mapping style, add ../lib/mips16.
	(MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
	(MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.

2012-08-28  Walter Lee  <walt@tilera.com>
	* confg/tilegx/tilegx.md: Fix code style.
	(*zero_extendsidi_truncdisi): Fix typo.
	* config/tilegx/tilegx.c: Fix code style.
	(tilegx_function_profiler): Fix typo.

2012-08-28  Walter Lee  <walt@tilera.com>

	* doc/invoke.texi: Document -mcmodel=small, -mcmodel=large.
	* config/tilegx/tilegx.h: Include config/tilegx/tilegx-opts.h.
	(CRT_CALL_STATIC_FUNCTION): Define.
	* config/tilegx/predicates.md (const_last_symbolic_operand):
	Handle UNSPEC_HW2_LAST_PCREL, UNSPEC_HW1_LAST_PLT_PCREL, and
	UNSPEC_HW2_LAST_PLT_PCREL.
	(const_symbolic_operand): Handle UNSPEC_HW1_PCREL,
	UNSPEC_HW0_PLT_PCREL, and UNSPEC_HW1_PLT_PCREL.
	* config/tilegx/tilegx.md (UNSPEC_MOV_LARGE_PCREL_STEP4): Define,
	and renumber the constants that follow.
	(UNSPEC_HW1_PCREL): Ditto.
	(UNSPEC_HW2_LAST_PCREL): Ditto.
	(UNSPEC_HW0_PLT_PCREL): Define.
	(UNSPEC_HW1_PLT_PCREL): Define.
	(UNSPEC_HW1_LAST_PLT_PCREL): Define.
	(UNSPEC_HW2_LAST_PLT_PCREL): Define.
	(mov_large_pcrel_step1): Define.
	(mov_large_pcrel_step2): Define.
	(mov_large_pcrel_step3): Define.
	(mov_large_pcrel_step4): Define.
	(mov_plt_pcrel_step1): Define.
	(mov_plt_pcrel_step2): Define.
	(mov_plt_pcrel_step3): Define.
	(mov_plt_pcrel_step1_32bit): Define.
	(mov_plt_pcrel_step2_32bit): Define.
	(call): Handle tilegx_cmodel == CM_LARGE, CM_LARGE_PIC.
	(call_value): Ditto.
	* config/tilegx/tilegx.opt: Include config/tilegx/tilegx-opts.h.
	(mcmodel): New option.
	(enum cmodel): Define.
	(CM_SMALL): Define.
	(CM_LARGE): Define.
	* config/tilegx/tilegx-opts.h: New file.
	* config/tilegx/tilegx-protos.h (tilegx_compute_pcrel_address):
	Declare.
	(tilegx_compute_pcrel_plt_address): Declare.
	* config/tilegx/tilegx.c (tilegx_option_override): Handle
	tilegx_cmodel.
	(tilegx_function_ok_for_sibcall): Ditto.
	(compute_pcrel_address): Rename to tilegx_compute_pcrel_address,
	and don't declare static.  Handle tilegx_cmodel.
	(tilegx_compute_pcrel_plt_address): Define.
	(tilegx_legitimize_pic_address): Rename calls to
	compute_pcrel_address.
	(tilegx_delegitimize_address): Handle UNSPEC_HW1_PCREL,
	UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
	UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.
	(load_pic_register): Rename call to compute_pcrel_address.
	(tilegx_print_operand): Handle UNSPEC_HW1_PCREL,
	UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
	UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.

2012-08-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* sched-deps.c (add_dependence_list_and_free): Simplify.
	(flush_pending_list_and_free): Fix a hack that was fixing a hack.  Free
	lists when add_dependence_list_and_free doesn't free them.

2012-08-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46254
	* config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
	true for TARGET_64BIT or !flag_pic.
	* config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
	(atomic_compare_and_swap_double<mode>): Change operand 2 predicate
	to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
	Add insn constraint.  Conditionally emit xchg asm insns.
	(atomic_compare_and_swap<mode>): Update calls.  Check only
	cmpxchg8b_pic_memory_operand in memory address fixup.
	(DCASMODE): Remove.
	(CASHMODE): Rename from DCASHMODE.
	(doublemodesuffix): Update modes.
	(regprefix): New mode attribute.

	(unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
	<UNSPECV_CMPXCHG>: New constant.
	(atomic_compare_and_swap<mode>_1): Rename from
	atomic_compare_and_swap_single<mode>.  Update calls and
	unspec_volatile constants.