view gcc/ChangeLog-2006 @ 0:a06113de4d67

first commit
author kent <>
date Fri, 17 Jul 2009 14:47:48 +0900
children 77e2b8dfacca
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2006-12-31  Richard Guenther  <>

	PR middle-end/30137
	* fold-const.c (fold_comparison): Fold comparison of addresses
	of components.

2006-12-31  Roger Sayle  <>

	PR middle-end/30322
	* fold-const.c (fold_binary): Fold X + ~X and ~X + X into -1 when
	we don't care about trapping overflow.  Only convert -A - 1 into ~A
	when we don't care about trapping overflow.

2006-12-31  Richard Guenther  <>

	PR middle-end/30338
	* fold-const.c (fold_binary): Fix type-mismatch in folding
	of -1 - A to ~A.

2006-12-30  Kazu Hirata  <>

	* tree-inline.c: Fix a comment typo.

2006-12-30  Jan Hubicka  <>

	* ipa-pure-const.c (check_operand): SSA_NAME is safe.
	* ipa-type-escape.c (scan_for_refs): Look into SSA_NAMEs.

2006-12-30  Jan Hubicka  <>

	* tree.h (DECL_CALL_CLOBBERED): Remove.
	(tree_decl_common): Remove call_clobbered flag.
	* tree-flow.h (struct var_ann_d): Add call_clobbered flag.
	* tree-ssa-alias.c (mark_non_addressable, reset_cc_flags): Update.
	* tree-flow-inline.h (is_call_clobbered, mark_call_clobbered,
	clear_call_clobbered): Update.
	* tree-ssa.c (verify_call_clobbering): Update.

2006-12-30  Jan Hubicka  <>

	* tree-ssa-alias.c (create_structure_vars): When in SSA, update operand
	* tree-ssa-operands.c (build_ssa_operands): Recompute addresses_taken

2006-12-30  Jan Hubicka  <>
	    Vladimir Yanovsky <>

	* emit-rt.c (emit_copy_of_insn_after): Fix bug causing exponential
	amount of copies of INSN_NOTEs list.

2006-12-29  Jan Hubicka  <>

	* cgraph.c (cgraph_expand_queue): Rename to...
	(cgraph_new_nodes): ... this one.
	(cgraph_state): New global variable.
	(cgraph_add_new_function): Work in more cases.
	* cgraph.h (cgraph_expand_queue): Rename to ...
	(cgraph_new_nodes): ... this one.
	(cgraph_state): New enum and static variable.
	(cgraph_add_new_function): Update prototype.
	(cgraph_process_new_functions): New.
	* omp-low.c (expand_omp_parallel): Update.
	* cgraphunit.c (initialize_inline_failed): Declare early.
	(cgraph_process_new_functions): New function.
	(cgraph_assemble_pending_functions): Use it.
	(cgraph_expand_all_functions): Use it.
	(cgraph_optimize): Use it; set cgraph_state.
	* passes.c (execute_one_pass, execute_ipa_pass_list): Process new

2006-12-29  Kazu Hirata  <>

	* tree-cfg.c (last_stmt_ptr): Remove.
	* tree-flow.h: Remove the prototype for last_stmt_ptr.

	* config/i386/i386.h (NON_QI_REG_P): Remove.
	* config/i386/ (non_q_regs_operand): Remove.

2006-12-29  Ian Lance Taylor  <>

	* c-common.c (c_define_builtins): New static function broken out
	of c_common_nodes_and_builtins.
	(c_common_nodes_and_builtins): Call c_define_builtins unless only
	doing preprocessing.

2006-12-29  Jan Hubicka  <>

	* tree-inline.c (remap_ssa_name): New function.
	(remap_decl): Update SSA datastructures for DECLs.
	(copy_body_r): Deal with SSA_NAMEs; add referenced global vars.
	(copy_bb): Set SSA_NAME def stmts.
	(update_ssa_acorss_eh_edges): New function.
	(copy_edge_for_bb): Call it; mark new vars for renaming.
	(copy_phis_for_bb): New function.
	(initialize_cfun): Break out from ...
	(copy_cfg_body): ... here; maintain AUX map for both directions;
	call SSA updating workers; do not produce copy of cfun to be copied.
	(setup_one_parameter): Do propagation across SSA form.
	(declare_return_variable): Work on SSA; use return_slot instead of
	address of return slot of argument to avoid folding back and forth.
	(expand_call_inline): Update SSA from on return values.
	(optimize_inline_calls): Do sanity checking, dead blocks removal,
	update SSA form.
	(tree_function_verioning): Update initialize_cfun.

2006-12-29  Marcin Dalecki  <>

	* doc/invoke.texi: Replace no longer supported -fno-strength-reduce
	with -fmerge-constants in sample code.

2006-12-28  Kazu Hirata  <>

	* (OBJS-common): Remove conflict.o
	(conflict.o): Remove.
	* basic-block.h: Remove the prototypes for conflict.c.
	* conflict.c: Remove.

2006-12-27  Daniel Berlin  <>

	* sbitmap.c (BITMAP_DEBUGGING): New macro.
	(do_popcount): Ditto.
	(sbitmap_verify_popcount): New function.
	(sbitmap_alloc): Set popcount to NULL, remove set of bytes
	(sbitmap_alloc_with_popcount): New function.
	(sbitmap_resize): Remove uses of bytes member and update
	(sbitmap_realloc): Remove uses of bytes member.
	(sbitmap_copy): Copy popcount.
	(sbitmap_copy_n): New function.
	(sbitmap_zero): Update popcount cache.
	(sbitmap_ones): Ditto.
	(sbitmap_a_and_b): Ditto.
	(sbitmap_a_or_b): Ditto.
	(sbitmap_a_xor_b): Ditto.
	(sbitmap_union_of_diff_cg): Assert non-existence of popcount
	(sbitmap_union_of_diff): Ditto.
	(sbitmap_not): Ditto.
	(sbitmap_difference): Ditto.
	(sbitmap_a_and_b_cg): Ditto.
	(sbitmap_a_xor_b_cg): Ditto.
	(sbitmap_a_or_b_cg): Ditto.
	(sbitmap_a_or_b_and_c_cg): Ditto.
	(sbitmap_a_and_b_or_c_cg): Ditto.
	(sbitmap_intersection_of_succs): Ditto.
	(sbitmap_intersection_of_preds): Ditto.
	(sbitmap_union_of_succs): Ditto.
	(sbitmap_union_of_preds): Ditto.
	(popcount_table): New.
	(sbitmap_elt_popcount): New function.
	(sbitmap_popcount): Ditto.

	* sbitmap.h (sbitmap): Remove bytes member.
	Add popcount member.
	(SET_BIT): Macro turned into function.
	(RESET_BIT): Ditto.
	(sbitmap_free): Free popcount too.
	(sbitmap_alloc_with_popcount): New prototype.
	(sbitmap_copy_n): Ditto.
	(sbitmap_verify_popcount): Ditto.

2006-12-27  Ian Lance Taylor  <>

	PR debug/26964
	* dwarf2out.c (gen_type_die): Don't write out a DIE for
	ENUMERAL_TYPE if it was already written out.

2006-12-26  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
	do_mpfr_sincos): Ensure target base equals two.

2006-12-26  Kazu Hirata  <>

	* tree-ssa-operands.c: Fix a comment typo.

2006-12-25  Kazu Hirata  <>

	* tree-vectorizer.h (VECT_SMODULO): Remove.

2006-12-24  Andreas Tobler  <>

	* config/pa/pa.c: Remove heap vector type defines.

2006-12-24  Jan Hubicka  <>

	* tree-ssa-operands.h (struct ssa_operand_memory_d):
	add ssa_operand_mem_size.
	* tree-ssa-operands.c (operands_bitmap_obstack): New.
	(ssa_operand_mem_size): Remove.
	(init_ssa_operands): Initialize obstack; use it.
	(fini_ssa_operands): Release obstack.
	(ssa_operand_alloc): Update.
	(finalize_ssa_vdefs, finalize_ssa_vuse_ops, copy_virtual_operands,
	get_mpt_for): Use obstack.
	* tree-ssa.c (delete_tree_ssa): Call fini_ssa_operands.
	* tree-outof-ssa.c: (remove_ssa_form): Don't call it here.

2006-12-24  Jan Hubicka  <>

	* tree-mudflap.c (ml_decl_cache_locals, md_build_check_statement_for):
	add newly referenced vars.

2006-12-24  Kazu Hirata  <>

	* basic-block.h: Remove the prototype for
	* rtl.h: Remove the prototypes for expand_builtin_expect_jump
	and purge_line_number_notes.

2006-12-23  Zdenek Dvorak <>

	* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne,
	assert_no_overflow_lt, assert_loop_rolls_lt,
	number_of_iterations_lt, number_of_iterations_le,
	number_of_iterations_cond, number_of_iterations_exit):
	Use integer_zerop/integer_nonzerop instead of
	* tree.h (null_or_integer_zerop, nonnull_and_integer_nonzerop):
	* tree-scalar-evolution.c (simple_iv): Return zero for step of
	an invariant.
	* tree-ssa-loop-ivopts.c (alloc_iv): Do not set step of invariants
	to zero.
	(get_iv): Return NULL for non-scalar types.  Use zero as a step
	of an invariant.
	(determine_biv_step, find_interesting_uses_op,
	find_interesting_uses_cond, find_interesting_uses_stmt,
	add_old_ivs_candidates, determine_use_iv_cost_condition,
	rewrite_use_compare, remove_unused_ivs):
	Use integer_zerop instead of null_or_integer_zerop.
	(struct ifs_ivopts_data): Replace step_p field with step field.
	(idx_find_step): Use zero as a step of an invariant.  Modify
	step instead of *step_p.
	(find_interesting_uses_address): Use zero as a step of an invariant.
	Use integer_zerop instead of null_or_integer_zerop.
	(find_interesting_uses_outside): Call find_interesting_uses_op only
	for phi nodes for real operands.
	(add_candidate_1): Expect step to be non-NULL.
	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Expect step to be

2006-12-23  Andrew Pinski  <>

	* vec.c: Don't include tree.h.
	* (vec.o): Update dependencies.
	(build/vec.o): Likewise.

2006-12-23  Kazu Hirata  <>

	* common.opt (flag_force_mem): Remove.
	* doc/invoke.texi (-fforce-mem): Remove.
	* opts.c (common_handle_option): Don't handle OPT_fforce_mem.

	* (final.o): Depend on vecprim.h.
	* final.c: Include vecprim.h.
	(insn_addresses_): Change the type to VEC(int,heap)*.
	* insn-addr.h (INSN_ADDRESSES_DEFN): Remove.

2006-12-23  Marcin Dalecki  <>

	* cgraphunit.c (cgraph_optimize): Fixed obvious thinko in memory
	consumption reporting.

2006-12-23  Manuel Lopez-Ibanez  <>

	PR middle-end/7651
	* c.opt (Wmissing-parameter-type): New.
	* doc/invoke.texi (Wmissing-parameter-type): Document it.
	(Wextra): Enabled by -Wextra.
	* c-opts.c (c_common_post_options): Enabled by -Wextra.
	* c-decl.c (store_parm_decls_oldstyle): Replace Wextra with

2006-12-23  Eric Botcazou  <>

	* dwarf2out.c (dbx_reg_number): Do leaf register remapping
	only if the function is leaf.
	(multiple_reg_loc_descriptor): Likewise.

2006-12-23  Kazu Hirata  <>

	* rtl.h (NOTE_EXPECTED_VALUE): Remove.

2006-12-23  Jan Hubicka  <>

	* toplev.c (dump_memory_report): Break out from...
	(finalize): Here.
	* toplev.h (dump_memory_report): Declare.
	(cmp_statistic): Rename to ...
	(final_cmp_statistic): ... this one
	(cmp_statistic): New.
	(dump_ggc_loc_staitsitcs): New FINAL parpameter.
	* common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
	* varray.c (dump_varray_staitiscs): Do not segfault when no varray was
	allocated so far.
	* cgraphunit.c (cgraph_optimize): Dump the memory reports.

2006-12-22  Mike Stump  <>

	* config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add

2006-12-23  Jan Hubicka  <>

	* tree-flow-inline.h (var_ann): External variable annotations are
	unshared too.
	(tree_common_ann): Handle correctly unshared variables annotations.
	* tree-dfa.c (create_var_ann): External variable annotations are
	unshared too.

2006-12-22  Kazu Hirata  <>

	* basic-block.h: Remove the prototype for
 	* cfgrtl.c (commit_edge_insertion): Drop the last argument.
	(commit_edge_insertions_watch_calls): Remove.
	(commit_edge_insertions): Adjust the call to

2006-12-22  Zdenek Dvorak <>

	* tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
	(number_of_iterations_ne, number_of_iterations_lt_to_ne,
	assert_no_overflow_lt, assert_loop_rolls_lt,
	number_of_iterations_lt, number_of_iterations_le,
	number_of_iterations_cond, tree_simplify_using_condition_1,
	number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
	implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
	idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
	Do not use zero_p/nonzero_p.
	* tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
	* tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
	find_interesting_uses_op, find_interesting_uses_cond,
	find_interesting_uses_address, find_interesting_uses_stmt,
	strip_offset_1, add_candidate_1, add_old_ivs_candidates,
	difference_cost, determine_use_iv_cost_condition,
	rewrite_use_compare, remove_unused_ivs): Ditto.
	* tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
	* tree-cfg.c (find_taken_edge_cond_expr): Ditto.
	* tree.h (zero_p): Declaration removed.
	(null_or_integer_zerop, nonnull_and_integer_nonzerop): New.

2006-12-22  Manuel Lopez-Ibanez  <>

	PR middle-end/7651
	* c.opt (Wclobbered): New.
	* doc/invoke.texi (Wclobbered): Document it.
	(Wextra): Enabled by -Wextra.
	* c-opts.c (c_common_post_options): Enabled by -Wextra.
	* flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
	* function.c (setjmp_vars_warning): Only warn for Wclobbered.
	(setjmp_args_warning): Likewise.

2006-12-22  Kazu Hirata  <>

	* config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
	tree-ssa-ter.c: Fix comment typos.

2006-12-22  Paolo Bonzini  <>

	PR rtl-optimization/29840

	* fwprop.c (forward_propagate_into): Reject artificial uses/defs.
	(fwprop_init): Add DF_HARD_REGS to df_init call.

2006-12-21  Andrew Pinski  <>

	* tree-nested.c (create_tmp_var_for): Check for vector type
	when setting DECL_GIMPLE_REG_P.

2006-12-21  Roger Sayle  <>

	* tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
	as the else branch of a COND_EXPR.

2006-12-22  Kazu Hirata  <>

	* cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
	output.h, toplev.c, tree-affine.h, tree-flow.h,
	tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
	tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
	tree-vrp.c, varpool.c: Fix comment typos.

	* cgraphunit.c, varpool.c: Fix comment typos.

2006-12-22  Ulrich Weigand  <>

	* config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
	* config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
	for insn setting up the frame pointer.  Do not set it for insns
	setting up scratch registers or storing the backchain.

2006-12-21  Eric Botcazou  <>

	PR other/29639
	* (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
	are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
	* configure: Regenerate.

2006-12-21  Joseph Myers  <>

	* rtlanal.c (subreg_get_info): Do not make register size
	computations for mode sizes not divisible by the number of

2006-12-21  Daniel Berlin  <>

	* tree-ssa-structalias.c (build_constraint_graph): Insert complex
	offsetted constraints into rhsvar, not lhsvar.

2006-12-21  Jakub Jelinek  <>

	PR middle-end/30262
	PR middle-end/30263
	* tree-nested.c (walk_asm_expr): New function.
	(walk_stmts): Use it for ASM_EXPR.

	PR target/30230
	* config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
	(bundling): Use it.

2006-12-21  Nathan Sidwell  <>

	PR target/28966
	PR target/29248
	* reload1.c (reload): Realign stack after it changes size.

2006-12-20  Roger Sayle  <>

	* simplify-rtx.c (simplify_subreg): Use the correct mode when
	determining whether a SUBREG of a CONCAT refers to the first or
	second component.

2006-12-21  Ben Elliston  <>

	* config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
	local variable `d'.

2006-12-20  Jan Hubicka  <>

	* tree-dfa.c (add_referenced_var): Walk initializers of
	non-constant/readonly static vars.

2006-12-20  Jan Hubicka  <>

	* tree-flow-inline.h (gimple_var_anns): New function.
	(var_ann): Use hashtable for static functions.
	* tree-dfa.c (create_var_ann): Likewise.
	* tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
	(init_tree_ssa): Initialize var anns.
	(delete_tree_ssa): Delete var anns; also clear out gimple_df.
	* tree-flow.h (struct static_var_ann_d): New structure.
	(gimple_df): Add var_anns.

2006-12-20  Carlos O'Donell  <>

	PR bootstrap/30242
	* gcc/c-incpath.c (add_standard_paths): Only relocate paths that
	begin with the configured prefix.

2006-12-20  Jan Hubicka  <>

	PR target/30213
	* i386.c (expand_setmem_epilogue): Fix formating.
	(dsmalest_pow2_greater_than): New function.
	(ix86_expand_movmem): Improve comments; avoid re-computing of
	epilogue size.
	(promote_duplicated_reg_to_size): Break out from ...
	(expand_setmem): ... this one; reorganize promotion code;
	improve comments; avoid recomputation of epilogue size.

2006-12-20  Andrew Pinski  <>

	PR middle-end/30143
	* omp-low.c (init_tmp_var): New function.
	(save_tmp_var): New function.
	(lower_omp_1): Use them for VAR_DECL.

2006-12-20  Andrew Pinski  <>

	* tree-gimple.c (is_gimple_min_invariant): Treat constant vector
	CONSTRUCTORs as min invariants.

2006-12-20  Joseph Myers  <>

	* rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
	(subreg_regno_offset, subreg_offset_representable_p): Change to
	wrappers about subreg_get_info.
	(refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
	* rtl.h (subreg_nregs): Declare.
	* doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
	* caller-save.c (mark_set_regs, add_stored_regs): Use
	* df-scan.c (df_ref_record): Use subreg_nregs.
	* flow.c (mark_set_1): Use subreg_nregs.
	* postreload.c (move2add_note_store): Use subreg_nregs.
	* reload.c (decompose, refers_to_regno_for_reload_p,
	reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
	* resource.c (update_live_status, mark_referenced_resources,
	mark_set_resources): Use subreg_nregs.

2006-12-20  Zdenek Dvorak <>

	* loop-unswitch.c (unswitch_loop): Update arguments of
	duplicate_loop_to_header_edge call.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
	* loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
	unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
	* cfgloopmanip.c (loop_version): Ditto.
	(duplicate_loop_to_header_edge): Change
	type of to_remove to VEC(edge), remove n_to_remove argument.
	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
	Change type of to_remove to VEC(edge), remove n_to_remove argument.
	(tree_unroll_loop): Update arguments of
	tree_duplicate_loop_to_header_edge call.
	* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
	Change type of to_remove to VEC(edge), remove n_to_remove argument.
	* cfghooks.h (struct cfg_hooks): Type of
	cfg_hook_duplicate_loop_to_header_edge changed.
	(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
	* cfgloop.h (duplicate_loop_to_header_edge): Ditto.
	* tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.

2006-12-20  Dorit Nuzman  <>

	* config/spu/ (vec_widen_umult_hi_v8hi): New.
	(vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
	(vec_widen_smult_lo_v8hi): New.
	* config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
	(spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.

2006-12-20  Jan Hubicka  <>

	* cgraph.c: Update overall comment; fix vertical spacing.
	* ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.

2006-12-20  Jan Hubicka  <>

	(varpool_first_static_initializer, varpol_next_static_initializer): New
	inline functions.
	* ipa-reference.c (analyze_variable): Simplify.
	(static_execute): Use FOR_EACH_STATIC_INITIALIZER.
	* ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.

2006-12-19  Andrew Pinski  <>

	PR tree-opt/30045
	* tree-vrp.c (nonnull_arg_p): Treat the static decl as always
	non null.

2006-12-20  Ben Elliston  <>

	* doc/invoke.texi (Optimize Options): Typo fix.

2006-12-19  Eric Christopher  <>

	* config/darwin.c (machopic_select_section): Rewrite.
	(darwin_text_section): New.
	(darwin_rodata_section): Ditto.
	(darwin_mergeable_string_section): Ditto.
	(darwin_mergeable_constant_section): Ditto.
	* config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.

2006-12-19  Steve Ellcey  <>

	* config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL):  Add undef.

2006-12-19  Paolo Bonzini  <>

	PR bootstrap/29544
	* gcc/ (STAGE1_CHECKING): Rename to...

2006-12-18  Andrew Pinski  <>

	PR target/29779
	* config/rs6000/rs6000.c (altivec_init_builtins): Change to set
	READONLY on __builtin_altivec_mask_for_load instead of adding
	the attribute.

2006-12-18  Roger Sayle  <>
	    Eric Christopher  <>

	PR target/29302
	* real.c (real_maxval): Correctly handle IBM extended double format.

2006-12-19  Jan Hubicka  <>

	* expmed.c (expand_mult_const): Force operand to constant.
	* rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
	copy_rtx to arguments.

2006-12-19  Ben Elliston  <>

	* config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2006-12-19  Ben Elliston  <>

	* cse.c (cse_insn): Fix formatting.

2006-12-18  Geoffrey Keating  <>

	* doc/invoke.texi (Debugging Options): Document -g0.
	* config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
	* config/darwin9.h (LINK_COMMAND_SPEC): Likewise.

2006-12-18  Ian Lance Taylor  <>

	* c.opt (Wmissing-declarations): Add C++ and ObjC++.
	* doc/invoke.texi (Warning Options): -Wmissing-declarations now
	works for C++.

2006-12-18  Andrew MacLeod  <>

	* tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
	(struct vuse_optype_d): Delete.
	(struct ssa_operand_memory_d): Change mem array to size one.
	(free_vuses, free_vdefs): Replace with vop_free_buckets array.
	(vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
	* tree-pretty-print.c (dump_vops): Use voptype_d type.
	* tree-ssa-operands.c (vop_free_bucket_size): New.  Number of operands
	which fit into a chunk of memory from a specific bucket.
	(vop_free_bucket_index): New.  Find correct size memory bucket.
	(init_vop_buckets): New.  Initialize VOP free memory buckets.
	(add_vop_to_freelist): New.  Add a VOP to the correct free list.
	(ssa_operand_mem_size): New.  Current size of an operand memory chunk.
	(init_ssa_operands): Initialize operand memory and free lists.
	(fini_ssa_operands): Remove references to free_vuses and free_vdefs.
	(ssa_operand_alloc): Use graduated size memory allocation.
	(alloc_vop): New.  Allocate a virtual operand.
	(alloc_vdef, alloc_vuse): Delete.
	(add_def_op, add_use_op): Directly setup pointers.
	(add_vop): New.  Add a virtual operand.
	(add_vuse_op, add_vdef_op): Call add_vop.
	(realloc_vop): New.  Reallocate a virtual operand.
	(realloc_vdef, realloc_vuse): Call realloc_vop.
	(finalize_ssa_def_ops): Delete.  Move content to finalize_ssa_defs.
	(finalize_ssa_defs): Optimize for common case, remove code based on
	sorted pointers which was a waste of time.
	(finalize_ssa_use_ops): Delete.  Move content to finalize_ssa_uses.
	(finalize_ssa_uses): Update last pointer.
	(finalize_ssa_vdef_ops): Delete.  Move content to finalize_ssa_vdefs.
	(finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
	directly manipulate pointers.
	(copy_virtual_operands): Use voptype_d, and no need to update pointers.

2006-12-18  Nathan Sidwell  <>

	* config/rs6000/ (*movdf_hardfloat32): Use %X format to
	determine if memory operand is an indexed address or not.

2006-12-17  Steven Bosscher  <>

	* cselib.c (struct cselib_val_struct): Make val_rtx its
	own field, remove the union that contained it.
	* cselib.c: Update accordingly where necessary.

2006-12-17  Steven Bosscher  <>

	* cse.c (have_eh_succ_edges): New function.
	(cse_insn): Don't remove dead EH edges here
	(cse_extended_basic_block): Do it here.
	(rest_of_handle_cse, rest_of_handle_cse2): Don't assert
	that we have removed all dead edges.

2006-12-17  Matthias Klose  <>

	PR libstdc++/11953
	* gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.

2006-12-17  Steven Bosscher  <>

	* cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
	(cse_extended_basic_block): When truncating a path while processing
	it, make sure to clear the visited bit on the basic blocks in the
	truncated part of the path.
	(cse_main): Use reverse completion order, not DFS order, to walk
	the CFG.
	(gate_handle_cse): Revert erroneous commit of a counter.

2006-12-17  Steven Bosscher  <>

	* cse.c (this_insn_cc0, this_insn_cc0_mode): New global
	variables, moved out from cse_insn.
	(prev_insn): Remove this global variable).
	(new_basic_block): Don't set it.
	(cse_insn): Idem. Also, move code to delete unused CC0-setter
	insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
	from here...
	(cse_extended_basic_block): here.  Do not clear
	prev_insn_cc0 until after recording equivalences from jumps.

2006-12-16  Jan Hubicka  <>

	* cgraphunit.c (ipa_passes): Clear current_function_decl.

2006-12-16  Andreas Tobler  <>

	* passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.

2006-12-16  Jan Hubicka  <>

	* omp-low.c (expand_omp_parallel): Set function properties.
	* function.h (struct function): Add curr_properties and last_verified.
	* passes.c (register_dump_files): Do not set TODO_set_props for the
	first pass
	(init_optimization_passes): Set it here; reorder initialization so the
	dump files appear in more logical order.
	(last_verified, curr_properties): Kill.
	(do_per_function): New function.
	(execute_function_todo): Break out from ...
	(execute_todo): ... here; handle per-function flags.
	(clear_last_verified, verify_curr_properties,
	update_properties_after_pass): New functions.
	(execute_one_pass): Handle per-function properties.
	(execute_ipa_pass_list): Use do_per_function; sanity check that cfun
	and current_function_decls are cleared out.
	* ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
	after use.

2006-12-16  Manuel Lopez-Ibanez  <>

	PR middle-end/7651
	* c.opt (Wempty-body): New.
	* doc/invoke.texi (Wempty-body): Document it.
	(Wextra): Enabled by -Wextra.
	* c-opts.c (c_common_post_options): Enabled by -Wextra.
	* c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
	* c-parser.c (c_parser_c99_block_statement): Likewise.

2006-12-15  Jakub Jelinek  <>

	PR target/30185
	* config/rs6000/ (div<mode>3): Use correct mode in
	force_reg call.

2006-12-15  Andrew Pinski  <>

	PR tree-opt/30140
	* tree-inline.c (setup_one_parameter): Gimplify the statement if
	the variable is not a gimple register variable.

2006-12-15  Uros Bizjak  <>

	* invoke.texi (mstringop-strategy): Add missing "byte_loop" value.

2006-12-14  Jan Hubicka  <>

	* tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
	to proper place.

2006-12-14  Richard Guenther  <>

	PR tree-optimization/30197
	* builtins.c (fold_builtin_cexp): New function to fold cexp
	to cexpi and exp parts.
	* tree-ssa-pre.c (try_combine_conversion): Also handle

2006-12-14  Richard Guenther  <>

	PR middle-end/30172
	* fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
	+ __complex__ ( 0, y ) to __complex__ ( x, y ).
	Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).

2006-12-14  Richard Guenther  <>

	PR tree-optimization/30198
	* fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
	Fold IMAGPART_EXPR of cexpi to sin.

2006-12-14  Dorit Nuzman  <>
	    Trevor Smigiel  <>

	(spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
	(spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
	(spu_builtin_mask_for_load): New.
	* spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
	(vec_realign_load_<mode>, spu_lvsr): New.

2006-12-13  Ian Lance Taylor  <>

	PR c++/19564
	PR c++/19756
	* c-typeck.c (parser_build_binary_op): Move parentheses warnings
	to warn_about_parentheses in c-common.c.
	* c-common.c (warn_about_parentheses): New function.
	* c-common.h (warn_about_parentheses): Declare.
	* doc/invoke.texi (Warning Options): Update -Wparentheses

2006-12-13  Zdenek Dvorak <>

	* tree-ssa-loop-ivopts.c: Include tree-affine.h.
	(divide): Removed.
	(constant_multiple_of): Fix order of operators for division.
	(aff_combination_const, aff_combination_elt, aff_combination_scale,
	aff_combination_add_elt, aff_combination_add, aff_combination_convert,
	tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
	aff_combination_to_tree): Moved to tree-affine.c and made to work with
	double_int coefficients.
	(get_computation_aff, get_computation_at): Work with double_int
	(get_computation_cost_at): Do not use divide.
	(rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
	Assert that expressing the computation did not fail.
	* tree-ssa-address.c: Include tree-affine.h.
	(add_to_parts, most_expensive_mult_to_index, addr_to_parts,
	create_mem_ref): Work with double_int coefficients.
	* tree-affine.c: New file.
	* tree-affine.h: New file.
	* tree-flow.h (struct affine_tree_combination): Removed.
	* (tree-affine.o): Add.
	(tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h

2006-12-13  Peter Bergner  <>

	PR middle-end/30191
	* reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
	the offset == 0 "then" clauses.
	* config/rs6000/ (gpc_reg_operand): Check for

2006-12-13  Uros Bizjak  <>

	* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
	(REG_ALLOC_ORDER): Remove one element due to removal of dir register.
	(FRAME_POINTER_REGNUM): Update register number to 20.
	(REG_CLASS_CONTENTS): Update contents due to removed dir register.
	(HI_REGISTER_NAMES): Remove "dirflag".

	* config/i386/i386.c (regclass_map): Remove dirflag entry.
	(dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
	Remove "dir" entry.
	(ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.

	* config/i386/ (R10_REG, R11_REG): Renumber.
	(sse_prologue_save, *sse_prologue_save_insn): Renumber
	hardcoded SSE register numbers.

	* config/i386/ (mmx_emms, mmx_femms): Renumber
	hardcoded MMX register numbers.

2006-12-13  Mark Shinwell  <>

	* config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
	FLDMX.  Rename function to...
	(vfp_output_fldmd): ...this.
	(vfp_output_fstmx): Output FSTMD instead of FSTMX.  Rename
	function to...
	(vfp_output_fstmd): ...this.
	(vfp_emit_fstmx): Don't leave space in the frame layout for the
	FSTMX format word.  Rename function to...
	(vfp_emit_fstmd): ...this.
	(arm_get_vfp_saved_size): Don't add in space for the FSTMX format
	(arm_output_epilogue): Adjust comment to reflect use of FSTMD.
	(arm_unwind_emit_sequence): Don't compensate for the FSTMX format
	word.  Also emit "vsave" assembler directives in such cases rather
	than "save".
	* config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
	gnu_Unwind_Save_VFP): Adjust comments.
	(gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
	for saving and restoring using FSTMD and FLDMD rather than
	(gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
	New functions for saving and restoring the VFPv3 registers 16 .. 31.
	* config/arm/pr-support.c (gnu_unwind_execute): Add conditional
	compilation case to correctly handle unwind opcode 0xc8 when using
	* config/arm/unwind-arm.c (struct vfpv3_regs): New.
	(__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
	__gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
	(restore_non_core_regs): Restore registers using FLDMD rather than
	FLDMX if required.  Also handle restoration of VFPv3 registers.
	(_Unwind_VRS_Pop): Handle saving and restoring of registers using
	FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
	including cases where the caller specifies a range of registers
	that overlaps the d15/d16 boundary.

2006-12-13  Diego Novillo  <>

	PR 30089
	* tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
	accomodate 511 operands.

2006-12-13  Richard Guenther  <>

	* builtins.c (expand_builtin_cexpi): Fix typo.

2006-12-13  Jan Hubicka  <>

	* Add dependencies.
	* tree-pretty-print.c: Include value-prof.h
	(dump_generic_bb_buff): Dump histograms
	* value-prof.c: Include pointer-set.h
	(gimple_alloc_histogram_value, histogram_hash, histogram_eq,
	set_histogram_value, gimple_histogram_value,
	gimple_add_histogram_value, gimple_remove_histogram_value,
	gimple_histogram_value_of_type, dump_histogram_value,
	dump_histograms_for_stmt, gimple_remove_stmt_histograms,
	gimple_duplicate_stmt_histograms, visit_hist,
	verify_histograms): New functions.
	(tree_value_profile_transformations): Update for new histogram API.
	(tree_divmod_fixed_value): Update for new histogram API.
	(tree_divmod_fixed_value_transform): Update for new histogram API.
	(tree_mod_pow2): Update for new histogram API.
	(tree_mod_pow2_value_transform): Update for new histogram API.
	(tree_mod_subtract): Update for new histogram API.
	(tree_mod_subtract_transform): Update for new histogram API.
	(tree_stringops_transform): Update for new histogram API.
	(tree_divmod_values_to_profile): Update for new histogram API.
	(tree_stringops_values_to_profile): Update for new histogram API.
	(tree_find_values_to_profile): Update for new histogram API.
	* value-prof.h (gimple_histogram_value): Declare.
	(gimple_histogram_value_of_type): Declare.
	(gimple_add_histogram_value): Declare.
	(gimple_remove_histogram_value): Declare.
	(dump_histograms_for_stmt): Declare.
	(gimple_remove_histogram_value): Declare.
	(gimple_remove_stmt_histograms): Declare.
	(gimple_duplicate_stmt_histograms): Declare.
	(verify_histograms): Declare.
	* function.h
	(struct funrction): Add value_histograms hash.
	* profile.c (compute_value_histograms): update for new API.
	* tree-inline.c: Include value-prof.h
	(copy_bb): Update histograms.
	* tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
	reorder to get smaller memory layout.
	* tree-cfg.c: Include value-prof.h
	(bsi_remove): Update histograms.
	(bsi_replace): Update histograms.
	(verify_stmts): Call histogram verifier.
	(tree_duplicate_bb): Update histograms.
	(move_block_to_fn): Update histograms.

2006-12-13  Richard Guenther  <>

	* ipa-inline.c (cgraph_flatten_node): Replace leafify with
	(cgraph_decide_inlining): Likewise.

2006-12-13  Richard Guenther  <>

	PR tree-optimization/17687
	New builtins for imaginary argument cexp.
	* builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
	New required builtin types.
	* builtins.c (expand_builtin_cexpi): Declare.
	(mathfn_built_in): Handle BUILT_IN_CEXPI.
	(expand_builtin_cexpi): New static helper.
	(expand_builtin): Call it.
	(do_mpfr_sincos): Adjust for CEXPI evaluation.
	(fold_builtin_sincos): New function to fold sincos to cepxi.

2006-12-13  Richard Guenther  <>

	* ipa-reference.c (scan_for_static_refs): Also scan
	tcc_comparison class trees.

2006-12-12 David Daney  <>

	* config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before

2006-12-12  Andrew Pinski  <>

	* tree-vect-transform.c (vect_permute_load_chain):
	Set DECL_GIMPLE_REG_P to true for the vect_perm_*
	temp variables.

2006-12-13  Sa Liu  <>
	    Ben Elliston  <>

	* config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
	(REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
	* config/spu/spu-protos.h (spu_c_common_override_options):
	* config/spu/spu-c.c (spu_c_common_override_options): New.
	* config/spu/spu.c (spu_override_options): Whitespace fix.

2006-12-12  Trevor Smigiel  <>

	* config/spu/spu.c (cpat_info): Fix an incorrectly identified case.

2006-12-12  Geoffrey Keating  <>

	* mips-tdump.c: Replace CROSS_COMPILE with
	* mips-tfile.c: Likewise.
	* gcc.c: Likewise.
	* Likewise.
	* cppdefault.c: Likewise.
	* Likewise.
	* config/alpha/osf.h: Likewise.
	* config/i386/cygwin.h: Likewise.
	* config/i386/beos-elf.h: Likewise.
	* config/i386/nto.h: Likewise.
	* config/fr30/fr30.h: Likewise.
	* config/svr4.h: Likewise.
	* config/rs6000/aix.h: Likewise.
	* config/rs6000/sysv4.h: Likewise.
	* config/pa/pa64-hpux.h: Likewise.
	* config/pa/pa-hpux10.h: Likewise.
	* config/pa/pa-hpux11.h: Likewise.
	* collect2.c: Likewise.
	* configure: Regenerate.

	* doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
	actually takes an unsigned HOST_WIDE_INT for its second parameter.

2006-12-13  Ulrich Weigand  <>

	* config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
	(spu_encode_section_info): New.
	* config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.

2006-12-12  Andrew Pinski  <>

	PR tree-opt/28624
	* tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary

2006-12-12  Andrew Pinski  <>

	PR tree-opt/28436
	* tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
	* fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
	* omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
	* tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
	and check for VECTOR_TYPE.
	* expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
	vector types.
	* tree-flow-inline.h (var_can_have_subvars): Use the renamed
	* gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
	and check for VECTOR_TYPE.
	(gimplify_bind_expr): Likewise.
	(gimplify_function_tree): Likewise.
	* expmed.c: Include target.h.
	(extract_bit_field): For vector mode, try find a better mode first.
	If that fails use gen_lowpart (for vectors only).
	* tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
	and check for VECTOR_TYPE.
	* tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
	(insert_into_preds_of_block): Likewise.
	(insert_fake_stores): Create gimple register store_tmps for
	vector types.
	* tree-sra.c (sra_elt): New field, is_vector_lhs.
	(sra_walk_expr <case BIT_FIELD_REF>): For vector types that
	are the left hand side, set the element's is_vector_lhs to true.
	(instantiate_element): For vector types which were on the left
	hand size, set DECL_GIMPLE_REG_P to false.
	* tree-nested.c (create_tmp_var_for): Use the renamed
	* tree-inline.c (declare_return_variable):  Use the renamed
	(copy_decl_to_var):  Use the renamed DECL_GIMPLE_REG_P.
	(copy_result_decl_to_var): Likewise.
	* tree-vect-transform.c (vect_get_new_vect_var): For vector types,
	create a gimple register variable.
	(vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
	vect_inter_* temp variables.
	* (expmed.o): Update dependencies.

2006-12-12  Peter Bergner  <>

	* reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
	the offset == 0 "then" clauses.
	* config/rs6000/ (gpc_reg_operand): Check for

2006-12-12  Marcin Dalecki  <>

	* doc/passes.texi: remove docs about "redundant PHI removal".
	* tree-pass.h: remove orphaned declaration of pass_redundant_phi,
	remove redundant pass_partition_blocks declaration.

2006-12-12  Andrew Macleod  <>

	PR tree-optimization/30159
	* tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
	functions in case a default_def coalesce is required.

2006-12-12  Jakub Jelinek  <>

	PR libstdc++/11953
	* gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.

	* config/ia64/linux.h (CPP_SPEC): Define.
	* config/s390/linux.h (CPP_SPEC): Define.

2006-12-12  Jim Wilson  <>
	    Jakub Jelinek  <>

	PR rtl-optimization/27761
	* combine.c (try_combine): Don't create a useless garbage SET
	if PATTERN (i2) is a PARALLEL.  If added_sets_1, save
	PATTERN (i1) resp. SET from i1src to i1dest in i1pat
	and use it to prevent accidental modification of i1src.

2006-12-12  Ira Rosen  <>

	* tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
	for stores with gaps.
	* tree-vect-transform.c (vect_permute_store_chain): Create
	interleave_high or interleave_low according to the endianess.

2006-12-12  Richard Guenther  <>

	PR middle-end/30147
	* fold-const.c (fold_read_from_constant_string): Only fold read
	from constant string if the result type is integer.

2006-12-12  Olivier Hainque  <>

	* config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.

2006-12-12  Olivier Hainque  <>

	* config/vxlib.c: Extract tls related routines into ...
	* config/vxlib-tls.c: New file.
	* config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.

2006-12-12  Sa Liu  <>
	    Ben Elliston  <>

	* config/spu/spu.opt (mfixed-range): New option.
	* config/spu/spu.h (spu_fixed_range_string): Declare.
	* config/spu/spu.c (spu_override_options): Handle -mfixed-range.
	(fix_range): New function.
	* doc/invoke.texi (SPU Options): Document -mfixed-range.
	* testsuite/ New.
	* testsuite/ Ditto.

2006-12-11  H.J. Lu  <>

	PR middle-end/17982
	PR middle-end/20218
	* cgraphunit.c (cgraph_optimize): Remove call to

	* config/elfos.h (ASM_OUTPUT_EXTERNAL): New.

	* config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.

	* config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
	(ia64_hpux_add_extern_decl): Removed.
	(ia64_hpux_file_end): Likewise.
	(extern_func_list): Likewise.
	(extern_func_head): Likewise.

	* output.h (assemble_external): Update comments.
	(default_elf_asm_output_external): New.
	(maybe_assemble_visibility): New.

	* toplev.c (compile_file): Update comment.

	* varasm.c (assemble_external): Always put it on
	(maybe_assemble_visibility): Make it extern and return int.
	(default_elf_asm_output_external): New.

2006-12-11  Daniel Berlin  <>

	* tree-ssa-structalias.c (handle_ptr_arith): Return false when we
	can't handle the pointer arithmetic.

2006-12-11  Diego Novillo  <>

	* doc/tree-ssa.texi: Update documentation for virtual operands
	and the use of push_stmt_changes/pop_stmt_changes.
	* doc/invoke.texi: Remove documentation for params
	Update documentation on max-aliased-vops.

	* tree-into-ssa.c: Cleanup comments, variables and
	spacing in various functions.
	(regs_to_rename): Declare.
	(mem_syms_to_rename): Declare.
	(dump_update_ssa): Declare.
	(debug_update_ssa): Declare.
	(dump_names_replaced_by): Declare.
	(debug_names_replaced_by): Declare.
	(dump_def_blocks): Declare.
	(debug_def_blocks): Declare.
	(dump_defs_stack): Declare.
	(debug_defs_stack): Declare.
	(dump_currdefs): Declare.
	(debug_currdefs): Declare.
	(mark_def_sites): Do not handle virtual operands.
	(compute_idf): Rename from find_idf.  Update users.
	(register_new_def): Make local.  Convert second argument
	to 'tree'.
	Use BLOCK_DEFS_STACK directly.
	If pushing a non-register, also push the underlying
	(rewrite_stmt): Do not handle virtual operands.
	(dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
	dump_currdefs and dump_tree_ssa_stats.
	(dump_tree_ssa_stats): Also dump REPL_TBL.
	(replace_use): Remove.  Update all users to call SET_USE
	(rewrite_blocks): Move code to free memory to
	(mark_def_site_blocks): Move initialization code to
	(init_ssa_renamer): New.
	(fini_ssa_renamer): New.
	(rewrite_into_ssa): Call them.
	(prepare_block_for_update): Process SSA_OP_ALL_USES first
	and SSA_OP_ALL_DEFS later.  Do not process virtual
	operands separately.
	(dump_update_ssa): Call dump_decl_set.
	(init_update_ssa): Initialize regs_to_rename and
	Call init_ssa_renamer.
	(delete_update_ssa): Call fini_ssa_renamer.
	Free blocks_with_phis_to_rewrite.
	(mark_sym_for_renaming): If the variable has
	sub-variables, also mark them.
	If the variable belongs to a partition, also mark it.
	(mark_set_for_renaming): Call mark_sym_for_renaming on
	every symbol in the set.
	(switch_virtuals_to_full_rewrite): Call
	(update_ssa): Separate syms_to_rename into regs_to_rename
	and mem_syms_to_rename.

	* tree-dump.c (dump_options): Add TDF_MEMSYMS.
	* tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
	(debug_generic_stmt): Likewise.
	(debug_tree_chain): Likewise.
	(dump_symbols): New.
	(dump_generic_node): Check for TDF_MEMSYMS.
	If the statement references memory and TDF_MEMSYMS is
	given, call dump_symbols.
	Indicate default names with (D).
	(dump_vops): Update for new virtual operator format.

	* tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
	(tree_code_size): Handle MEMORY_PARTITION_TAG.
	(tree_node_structure): Likewise.
	(needs_to_live_in_memory): Handle SSA names.
	* tree.h (MTAG_P): Likewise.
	(struct tree_memory_partition_tag): Declare.
	(MPT_SYMBOLS): Define.
	(union tree_node): Add field 'mpt'.
	* treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
	* tree.def (MEMORY_PARTITION_TAG): Define.

	* tree-pass.h (TDF_MEMSYMS): Define.

	* params.h (GLOBAL_VAR_THRESHOLD): Remove.

	* tree-ssa-alias.c: Include pointer-set.h
	(struct alias_map_d): Remove fields total_alias_vops,
	grouped_p and may_aliases.  Update all users.
	(struct mp_info_def): Declare.
	(mp_info_t): New type.
	(get_smt_for): Rename from get_tmt_for.  Update all
	(add_may_alias): Add argument ALREADY_ADDED.  If given,
	use it to avoid adding duplicate entries to alias sets.
	(replace_may_alias): Remove.  Update all users.
	(total_alias_vops_cmp): Remove.  Update all users.
	(group_aliases_into): Remove.  Update all users.
	(tree_pointer_compare): Remove.  Update all users.
	(compact_name_tags): Remove.  Update all users.
	(group_aliases): Remove.  Update all users.
	(mark_non_addressable): Move from tree-flow-inline.h.
	Remove the symbol from the partition holding it, if
	(dump_mp_info): New.
	(debug_mp_info): New.
	(sort_mp_info): New.
	(create_partition_for): New.
	(rewrite_alias_set_for): New.
	(compute_memory_partitions): New.
	(compute_may_aliases): Call it.
	(init_alias_info): If computing aliases for the first
	time, mark every memory symbol for renaming.
	(have_common_aliases_p): New.
	(compute_flow_insensitive_aliasing): Call it.
	(setup_pointers_and_addressables): Do not cache
	For register promoted symbols, mark their former
	partition for renaming.
	(maybe_create_global_var): Only create .GLOBAL_VAR if
	there are no call-clobbered variables and a mix of pure
	and non-pure functions were found.
	(may_alias_p): Tidy comments.
	(create_tag_raw): Remove unused variable new_type.
	(dump_alias_info): call dump_memory_partitions.
	(dump_points_to_info_for): Call dump_decl_set.
	(may_be_aliased): Tidy comments and formatting.

	* timevar.def (TV_MEMORY_PARTITIONING): Define.
	* tree-vectorizer.c (vect_memsyms_to_rename): Rename from
	vect_vnames_to_rename.  Set DECL_UIDs instead of SSA name
	versions in it.
	(slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
	* tree-vect-transform.c (vect_transform_loop): Call
	mark_set_for_renaming with vect_memsyms_to_rename.
	* tree-flow-inline.h (zero_imm_uses_p): New.
	(memory_partition): New.
	(set_memory_partition): New.
	(factoring_name_p): New.
	(symbol_mem_tag): New.  Update every function that used
	to access the annotation directly.
	(set_symbol_mem_tag): Likewise.

	* tree-ssa-copy.c (may_propagate_copy): Allow copies
	between a partition and a symbol as long as the symbol
	belongs to the partition.
	(merge_alias_info): Ignore merge requests when memory
	partitions are involved.

	* tree-ssa.c (verify_ssa_name): Check that default
	definitions have empty defining statements.
	(verify_use): Remove argument IS_VIRTUAL.
	Don't call verify_ssa_name.
	(verify_phi_args): Call verify_ssa_name.
	(verify_flow_insensitive_alias_info): Handle MPTs.
	(verify_flow_sensitive_alias_info): Likewise.
	(verify_name_tags): Likewise.
	(verify_call_clobbering): Likewise.
	(verify_ssa): Check for VOPs only after aliasing
	information is available.
	Check virtuals and real operands separately.
	Call verify_ssa_name on every operand.
	(stmt_references_memory_p): Move to tree-ssa-operands.c.
	(walk_use_def_chains_1): Guard against NULL PHI

	* tree-ssa-operands.c (stmt_references_memory_p): Move from
	(get_mpt_for): New.
	(dump_memory_partitions): New.
	(debug_memory_partitions): New.

	* tree-flow.h (struct var_ann_d): Add field mpt.
	(struct stmt_ann_d): Add bitfield references_memory.
	* (tree-ssa-structalias.o): Include
	(tree-ssa-alias.o): Likewise.
	* tree-ssa-structalias.c: (update_alias_info): Use
	STORED_SYMS to determine which variables are being
	written to by the store operation.
	* tree-ssa-structalias.h (struct alias_info)
	<total_alias_vops>: Remove.  Update all users.
	<written_vars>: Change to a pointer set.  Update all
	<dereferenced_ptrs_store>: Likewise.
	<dereferenced_ptrs_load>: Likewise.
	(NUM_REFERENCES): Remove.  Update all users.
	(NUM_REFERENCES_CLEAR): Remove.  Update all users.
	(NUM_REFERENCES_INC): Remove.  Update all users.
	(NUM_REFERENCES_SET): Remove.  Update all users.

	* params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
	Update all users.
	* tree-ssanames.c (make_ssa_name): Initialize

2006-12-11  Aldy Hernandez  <>

	* tree-ssa-dse.c (aggregate_vardecl_d): New.
	(dse_global_data): Add aggregate_vardecl field.
	(dse_possible_dead_store_p): New.
	Add prev_defvar variable.
	Allow immediate uses and previous immediate uses to differ
	if they are setting different parts of the whole.
	(get_aggregate_vardecl): New.
	(dse_record_partial_aggregate_store): New.
	(dse_whole_aggregate_clobbered_p): New.
	(dse_partial_kill_p): New.
	(dse_optimize_stmt): Abstract code checking a possible dead store
	into new function dse_possible_dead_store_p().
	Call dse_maybe_record_aggregate_store().
	When checking whether a STMT and its USE_STMT refer to the
	same memory address, check also for partial kills that clobber
	the whole.
	Move some variable definitions to the block where they are used.
	(aggregate_vardecl_hash): New.
	(aggregate_vardecl_eq): New.
	(aggregate_vardecl_free): New.
	(aggregate_whole_store_p): New.
	(tree_ssa_dse): Initialize and free aggregate_vardecl.
	Mark which aggregate stores we care about.

2006-12-11  Andrew Macleod  <>

	* tree-ssa-operands.h (struct vuse_element_d): Declare.
	(vuse_element_t): Declare.
	(struct vuse_vec_d): Declare.
	(vuse_vec_p): Declare.
	(struct maydef_optype_d) <use_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(struct vuse_optype_d) <kill_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(struct mustdef_optype_d) <kill_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
	(VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
	(VUSE_NUM): Define.
	(VUSE_VECT): Define.
	(MAYDEF_OP_PTR): Add argument.  Use VUSE_OP_PTR.
	(MAYDEF_OP): Add argument.  Use VUSE_OP.
	(MAYDEF_NUM): Define.
	(MAYDEF_VECT): Define.
	(MUSTDEF_NUM): Define.
	(MUSTDEF_VECT): Define.
	(realloc_maydef): Declare.
	(realloc_vuse): Declare.
	(struct ssa_operand_iterator_d) <vuse_index>: Add.
	<mayuse_index>: Add.
	(LOADED_SYMS): Define.
	(STORED_SYMS): Define.
	(FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
	* tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
	* tree-pretty-print.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* tree-flow-inline.h: Likewise.
	(op_iter_next_mustdef): New.
	* tree-ssa-operands.c: Likewise.
	(ALLOC_OPTYPE): Remove.
	Update all users.
	(alloc_def): New.
	(alloc_use): New.
	(alloc_maydef): New.
	(alloc_vuse): New.
	(alloc_mustdef): New.
	(realloc_maydef): New.
	(realloc_vuse): New.

2006-12-11  Aldy Hernandez  <>

	* tree-ssa-operands.c: Remove build_v_must_defs.
	(init_ssa_operands): Delete build_v_must_defs.
	(finalize_ssa_v_must_def_ops): Remove.
	(finalize_ssa_v_must_defs): Remove.
	(finalize_ssa_stmt_operands): Do not call
	(start_ssa_stmt_operands): Do not check build_v_must_defs.
	(append_v_must_def): Delete.
	(copy_virtual_operands): Do not copy V_MUST_DEFs.
	(get_modify_expr_operands): Remove reference to V_MUST_DEF from
	comment.  Remove opf_kill_def.
	(build_ssa_operands): Remove references to v_must_defs.
	(copy_virtual_operands): Same.
	(copy_virtual_operands): Same.
	(fini_ssa_operands): Same.
	(free_ssa_operands): Same.
	(add_mustdef_op): Remove.
	Remove mustdef_optype_p.
	(alloc_mustdef): Remove.
	Remove references to V_MUST_DEFs in comment at top of file.
	(get_expr_operands): Remove opf_kill_def.
	(opf_kill_def): Remove.
	(add_virtual_operand): Remove opf_kill_def.
	(get_indirect_ref_operands): Same.
	(get_tmr_operands): Same.

	* tree-vectorizer.c (rename_variables_in_bb): Remove

	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
	(check_loop_closed_ssa_stmt): Same.

	* tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
	(verify_use): Same.
	(verify_ssa): Remove V_MUST_DEFs traces.
	(verify_ssa): Remove SSA_OP_ALL_KILLS.

	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
	(rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
	(rewrite_stmt): Remove SSA_OP_ALL_KILLS.

	* tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
	(MUSTDEF_OPS): Remove.
	(struct mustdef_optype_d): Remove.
	Remove mustdef_optype_p.
	(struct stmt_operands_d): Remove mustdef_ops.
	(ssa_operand_iterator_d): Remove mustdefs and mustkills.
	(MUSTDEF_KILL): Remove.
	(MUSTDEF_NUM): Remove.
	(MUSTDEF_VECT): Remove.
	(SSA_OP_ALL_KILLS): Remove.

	* tree-flow-inline.h (op_iter_init_def): Remove
	(delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.

	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove

	* tree-ssa-loop-im.c (determine_max_movement): Remove
	(gather_mem_refs_stmt): Same.
	(gather_mem_refs_stmt): Same.

	* tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
	(perform_tree_ssa_dce): Remove call to

	* tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
	and mustkills.
	(op_iter_next_use): Do not check mustkills.
	(op_iter_next_def): Do not check mustdefs.
	(op_iter_next_tree): Do not check mustkills or mustdefs.
	(clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
	(op_iter_next_maymustdef): Do not check mustkills.
	(op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
	(op_iter_init_mustdef): Remove.

	* tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to

	* tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.

	* tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
	(visit_assignment): Same.

	* tree-ssa-copy.c (copy_prop_visit_assignment): Same.

	* tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.

	* tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.

	* tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
	Remove kill_p variable.

	* tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
	(dump_dfa_stats): Remove code related to V_MUST_DEFs.
	(collect_dfa_stats_r): Do not set num_v_must_defs.
	(mark_new_vars_to_rename): Remove v_must_defs_{before,after}

	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to

	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove

	* tree-ssa-propagate.c (stmt_makes_single_store): Remove

2006-12-11  Zdenek Dvorak <>

	PR rtl-optimization/30113
	* loop-iv.c (implies_p): Require the mode of the operands to be

2006-12-11  Diego Novillo  <>

	* tree-ssa-operands.h (create_ssa_artificial_load_stmt):
	Rename from create_ssa_artficial_load_stmt.  Update all users.
	* tree-into-ssa.c (register_new_def): Make static.
	* tree.c (is_global_var): Handle SSA_NAMEs.
	* tree.h (SSA_NAME_IS_DEFAULT_DEF): Define.  Update all users
	that used to call gimple_default_def.
	* tree-ssa-operands.c (push_stmt_changes): New.
	(pop_stmt_changes): New.  Update every pass that modifies
	statements to bracket modifications with
	(discard_stmt_changes): New.
	* tree-ssa-dom.c (stmts_to_rescan): Change to stack of
	'tree *' instead of 'tree'.  Update all users.
	* tree-flow-inline.h (zero_imm_uses_p): New.
	(symbol_mem_tag): New.  Update every function that used
	to access the annotation directly.
	(set_symbol_mem_tag): Likewise.
	* tree-dfa.c (dump_variable): Always show the escape mask.
	(mark_symbols_for_renaming): Rename from
	mark_new_vars_to_rename.  Update all users.
	Only mark to rename naked symbols in real and virtual

2006-12-11  Andreas Schwab  <>

	* varasm.c (elf_record_gcc_switches): Cast second argument of

2006-12-11  Diego Novillo  <>

	* tree-scalar-evolution.c (scev_const_prop):
	* tree-phinodes.c (remove_phi_node): Add argument
	RELEASE_LHS_P.  If given, release the SSA name on the LHS of
	the PHI node.
	Update all users.
	* tree-ssa-dce.c: Remove forward declarations for static
	functions.  Re-arrange functions bodies as needed.
	(find_obviously_necessary_stmts): Never mark PHI nodes as
	obviously necessary.

2006-12-11  Carlos O'Donell  <>

	* config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.

2006-12-11  Jan Hubicka  <>

	* value-prof.c (tree_stringops_transform): New.
	(tree_value_profile_transformations): Require count to be non-zero;
	call stringop transform; reset stmt BSI after BB changed.
	(tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
	(interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
	(tree_stringops_values_to_profile): New.
	(tree_values_to_profile): Call tree_stringops_values_to_profile.
	* tree.h (build_string_literal): Tidy prototype.
	(validate_arglist, builtin_memset_read_str, get_pointer_alignment):
	* builtins.c (validate_arglist, builtin_memset_read_str,
	get_pointer_alignment): Export.

2006-12-11  Uros Bizjak  <>

	PR target/30120
	2006-11-15  Uros Bizjak  <>

	* config/i386/i386.opt: New target option -mx87regparm.

	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
	float_in_x87: Add new variables. mmx_words, sse_words: Remove.
	(X87_REGPARM_MAX): Define.

	* config/i386/i386.c (override_options): Error out for
	-mx87regparm but no 80387 support.
	(ix86_attribute_table): Add x87regparm.
	(ix86_handle_cconv_attribute): Update comments for x87regparm.
	(ix86_comp_type_attributes): Check for mismatched x87regparm types.
	(ix86_function_x87regparm): New function.
	(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
	point registers.
	(init_cumulative_args): Initialize x87_nregs and float_in_x87
	(function_arg_advance): Process x87_nregs and x87_regno when
	floating point argument is to be passed in 80387 register.
	(function_arg): Pass XFmode arguments in 80387 registers for local
	functions.  Pass SFmode and DFmode arguments to local functions
	in 80387 registers when flag_unsafe_math_optimizations is set.

	* reg-stack.c (convert_regs_entry): Disable NaN load for
	stack registers that are used for argument passing.

	* doc/extend.texi: Document x87regparm function attribute.
	* doc/invoke.texi: Document -mx87regparm.

2006-12-11  Jan Hubicka  <>

	Move all varpool routines out of cgraph/cgraphunit to varpool.c
	* cgraph.c: Update comments.
	cgraph_varpool_nodes, cgraph_varpool_last_needed_node
	cgraph_varpool_node_name, cgraph_varpool_node,
	cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
	cgraph_variable_initializer_availability): Move to
	varpool.c and drop cgraph_ prefixes.
	(cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
	cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
	move to varpool.c; drop cgraph_ prefix; make static.
	(dump_cgraph_varpool_node): Move to varpool.c under name
	(dump_varpool, hash_varpool_node, eq_varpool_node,
	decide_is_variable_needed): Move to varpool.c
	(decl_assembler_name_equal): Move to tree.c.
	(availability_names): Rename to ...
	(cgraph_availability_names): ... this one.
	(dump_cgraph_node): Update.
	* cgraph.h: Reorder declarations now in varpool.c
	(cgraph_vailablity_names): Declare.
	(struct cgraph_varpool_node): Rename to ...
	(struct varpool_node): ... this one.
	(cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
	cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
	cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
	cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
	cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
	cgraph_variable_initializer_availability): Rename to ...
	(varpool_first_unanalyzed_node, varpool_nodes_queue,
	varpool_first_unanalyzed_node, varpool_node,
	varpool_node_for_asm, varpool_mark_needed_node,
	varpool_finalize_decl, varpool_enqueue_needed_node,
	varpool_assemble_pending_decls, variable_initializer_availability):
	Rename to ...
	* tree.c (decl_assembler_name_equal): Move here from cgraph.c.
	* tree.h (decl_assembler_name_equal): Declare.
	* omp-low.c (lower_omp_critical): Update.
	* ipa-reference (analyze_variable, static_execute): Likewise.
	* toplev.c (wrapup_global_declaration_2, compile_file): Update.
	* cgraphunit.c: Update comments.
	(cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
	(cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
	(cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
	(record_reference): Update.
	(cgraph_create_edges): Update.
	(record_referneces_in_initializer): New function.
	(cgraph_varpool_assemble_decl): Move to varpool.c under name
	varpool_assemble_decl; make global.
	(cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
	(process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
	struct cgraph_order_sort, cgraph_output_in_order,
	cgraph_function_and_variable_invisibility, cgraph_optimize,
	cgraph_increase_alignment): Update.
	* dwarf2out.c (decls_for_scope): Likewise.
	* ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
	* except.c (output_ttype): Likewise.
	* varasm.c (mark_decl_referenced): Likewise.
	(find_decl_and_mark_referenced, assemble_alias): update.
	* Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
	* passes.c (rest_of_decl_compilation): Update.

2006-12-11  Ira Rosen  <>

	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
	* tree-vect-transform.c (vect_permute_store_chain): Likewise.
	(vect_setup_realignment): Likewise.

2006-12-11  Sa Liu  <>
	    Ben Elliston  <>

	* config/spu/spu-elf.h (STARTFILE_SPEC): Update.
	(ENDFILE_SPEC): Likewise.
	* config/spu/spu.opt (mstdmain): New option.
	* config/spu/crti.asm: Remove.
	* config/spu/crtn.asm: Likewise.
	* config/spu/crt0.c: Likewise.
	* config/spu/crtend.c: Likewise.
	* config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
	listed above.
	($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
	* doc/invoke.texi (SPU Options): Document -mstdmain.

2006-12-10  Zdenek Dvorak <>

	* doc/loop.texi: Document number_of_latch_executions and
	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
	chrec_is_positive, number_of_iterations_for_all_loops,
	scev_const_prop): Use number_of_latch_executions.
	(set_nb_iterations_in_loop): Do not increase the value of the
	number of iterations.
	(number_of_iterations_in_loop): Renamed to ...
	(number_of_latch_executions): ... this.
	(number_of_exit_cond_executions): New function.
	* tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
	(number_of_latch_executions, number_of_exit_cond_executions): Declare.
	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
	* tree-data-ref.c (get_number_of_iters_for_loop): Use
	* tree-vect-analyze.c (vect_get_loop_niters): Ditto.
	* cfgloop.h (struct loop): Improve description of the nb_iterations

2006-12-10  Daniel Berlin  <>

	* tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
	(tree_pointer_compare): Remove.

2006-12-10  Zdenek Dvorak <>

	* tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
	* loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
	* tree-loop-linear.c (linear_transform_loops): Ditto.
	* tree-ssa-loop-im.c (determine_lsm): Ditto.
	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
	free_numbers_of_iterations_estimates): Ditto.
	* tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
	* modulo-sched.c (sms_schedule): Ditto.
	* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
	tree_unroll_loops_completely): Ditto.
	* predict.c (predict_loops): Ditto.
	* tree-if-conv.c (main_tree_if_conversion): Ditto.
	* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
	decide_unrolling_and_peeling): Ditto.
	* cfgloopmanip.c (unloop): Use delete_loop.
	(place_new_loop): Access larray vector instead of parray.
	(create_preheaders, force_single_succ_latches,
	fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
	* loop-doloop.c (doloop_optimize_loops): Ditto.
	* loop-invariant.c (move_loop_invariants): Ditto.
	* tree-cfg.c (replace_uses_by): Ditto.
	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
	Moved to ...
	... here.
	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
	compute_overall_effect_of_inner_loop, chrec_is_positive): Use
	get_loop and get_chrec_loop.
	(number_of_iterations_for_all_loops): Use number_of_loops.
	(scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
	* tree-scalar-evolution.h (get_chrec_loop): New inline function.
	* cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
	* tree-chrec.c (evolution_function_is_invariant_rec_p,
	chrec_convert_1): Use get_loop and get_chrec_loop.
	* loop-init.c (loop_optimizer_init): Use number_of_loops.
	(loop_optimizer_init): Use FOR_EACH_LOOP.
	* tree-vectorizer.c (vect_loops_num): Removed.
	(vectorize_loops): Store number of loops locally.  Use
	FOR_EACH_LOOP and get_loop.
	* tree-vectorizer.h (vect_loops_num): Removed.
	* tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
	(find_data_references_in_loop): Do not set parallel_p.
	* tree-data-ref.h: Do not declare VEC(loop_p).
	* cfgloop.c (flow_loops_dump, mark_single_exit_loops,
	verify_loop_structure): Use FOR_EACH_LOOP.
	(flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
	(initialize_loops_parallel_p): Removed.
	(flow_loops_find): Push the loops into a vector.
	(delete_loop): New function.
	(cancel_loop): Use delete_loop.
	* cfgloop.h: Declare VEC(loop_p).
	(struct loop): Remove parallel_p field.
	(struct loops): Replace num and parray field by larray vector.
	Remove shared_headers field.
	(delete_loop): Declare.
	(get_loop, get_loops, number_of_loops, fel_next, fel_init,
	* doc/loop.tex: Document new accessor functions.

2006-12-10  Andrew MacLeod  <>

	* common.opt (-ftree-lrs): Remove live range splitting option.
	* Add tree-ssa-coalesce.o and reduce header dependancies.
	* opts.c (decode_options): Remove flag_tree_live_range_split.
	* tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
	* tree-flow-inline.h (single_imm_use_p): New.  Check for single use.
	* tree-outof-ssa.c: Remove header files which aren't needed.
	(SSANORM_*): Remove flags.
	(print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
	coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
	(coalesce_ssa_name): Move to tree-ssa-coalesce.c.
	(assign_vars): Use Basevar instead of root_var structure.
	(replace_def_variable): Dont do anything if def is replaceable.
	(remove_ssa_form): Integrate functional changes.
	(rewrite_out_of_ssa): Remove live-range_split option.
	* tree-ssa-coalesce.c: New File for ssa-name coalescing.
	(coalesce_cost): Calculate the cost of a coalesce.
	(coalesce_cost_bb): Calculate the coalesce cost within a BB.
	(coalesce_cost_edge): Calculate the coalesce cost on an edge.
	(pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
	(pop_best_coalesce): Remove the best coalesce from the list.
	(coalesce_pair_map_hash): Calculate coalesce pair hash.
	(coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
	(create_coalesce_list): Create a coalesce list object.
	(delete_coalesce_list): Free a coalesce list object.
	(find_coalesce_pair): Find matching pair in the coalesce list.
	(add_cost_one_coalesce): Add a coalesce to the "cost one" list.
	(add_coalesce): Add a coalesce to the coalesce list.
	(compare_pairs): Comparision function to determine pair sorted order.
	(num_coalesce_pairs): Number of coalesced pairs.
	(first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
	Coalesce pair iterator functions.
	(sort_coalesce_list): Sort coalesce pairs in order of expense.
	(dump_coalesce_list): Show coalesce list.
	(ssa_conflicts_new): Create an SSA conflict graph.
	(ssa_conflicts_delete): Delete an SSA conflict graph.
	(ssa_conflicts_test_p): Test for conflicts.
	(ssa_conflicts_add_one): Add a single conflict.
	(ssa_conflicts_add): Add a conflict pair.
	(ssa_conflicts_merge): Merge conflicts.
	(struct live_track_d): Struct for tracking live partitions.
	(new_live_track): Create new live_track object.
	(delete_live_track): Delete a live_track object.
	(live_track_remove_partition): Remove a partition from the live list.
	(live_track_add_partition): Add a partition from the live list.
	(live_track_clear_var): Take VAR from the live list.
	(live_track_live_p): Is var live?
	(live_track_process_use): Make var come alive.
	(live_track_process_def): Make var go dead, add conflicts.
	(live_track_init): Initialize to a live on exit set.
	(live_track_clear_base_vars): Clear live partitions.
	(build_ssa_conflict_graph): Build a conflict graph.
	(print_exprs): Common debug output routine.
	(abnormal_corrupt): Output info about a failed coalesce across an
	abnormal edge.
	(fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
	(create_outofssa_var_map): Create a var map and coalesce list.
	(attempt_coalesce): Coalesce a pair.
	(coalesce_partitions): Coalesce all pairs in a coalesce list.
	(coalesce_ssa_name): Entry point.  Determine what ssa_names to coalesce.
	* tree-ssa-live.c: Remove header files which aren't needed.
	(var_map_base_init): New.  Initialize a basevar list.
	(var_map_base_fini): New.  Finish a basevar list.
	(init_var_map): Initialize new fields.
	(delete_var_map): Free new fields.
	(var_union): Use renamed fields.
	(compact_var_map): Remove.
	(partition_to_view_init): Use renamed fields, change order of an if.
	(partition_view_fini): Use renamed fields.
	(partition_view_normal): Create basevar list if requested.
	(partition_view_bitmap): Create a view based on a bitmap of partitions.
	(change_partition_var): Use renamed fields.
	(create_ssa_var_map): Remove.
	(tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
	root_var_init): Remove.
	(partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
	delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
	compare_pairs, num_coalesce_pairs, first_partition_pair,
	end_partition_pair_p, next_partition_pair, sort_coalesce_list,
	pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
	build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
	tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
	(dump_var_map): Use renamed fields.
	* tree-ssa-live.h (struct  _var_map): Modify fields.
	(partition_to_var, version_to_var, var_to_partition): Use renamed
	(basevar_index): New.  Index of the base variable of a partition.
	(num_basevars): New.  Number of unique base variables in partition map.
	(register_ssa_partition): Use renamed fields.
	(struct tree_partition_associator_d): Remove.
	(tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
	tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
	root_var, root_var_first_partition, root_var_next_partition,
	root_var_dump, root_var_delete, root_var_remove_partition,
	root_var_find, root_var_compact, root_var_decompact): Remove.
	(struct partition_pair, struct coalesce_list_d): Moved to
	* tree-ssa-ter.c: Remove header files which aren't needed.

2006-12-10  Steven Bosscher  <>

	* cse.c: (struct cse_basic_block_data): Remove LAST field.
	(struct branch_path): Remove BRANCH and TAKEN fields. Add new
	BB field.
	(cse_visited_basic_blocks): New static bitmap.
	(cse_end_of_basic_block, cse_basic_block): Remove.
	(cse_find_path, cse_dump_path, cse_prescan_path,
	cse_extended_basic_block): New static functions.
	(cse_insn): Don't CSE over setjmp calls.  Use the CFG to find
	basic block boundaries.  Don't record jump equivalences here.
	Update the CFG after doing in-place replacement of the SET_SRC.
	(cse_main): Rewrite.  Look for extended basic block headers
	and call cse_extended_basic_block on them until all paths that
	start at this header are exhausted.
	(rest_of_handle_cse): Verify that the CFG is incrementally updated
	and correct after cse_main.
	Don't call delete_trivially_dead_insns, let cfgcleanup do that.
	(rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
	(pass_cse): Add TODO_verify_flow.
	(pass_cse2): Likewise.

2006-12-10  Rask Ingemann Lambertsen  <>

	* reload1.c (choose_reload_regs): Don't set byte offset when
	resolving subregs of hard regs.

2006-12-09  Zack Weinberg  <>

	* c-opts.c (c_common_parse_file): Unconditionally give a warning,
	suitable for the language, if set_yydebug is true.
	* c-pragma.h: Define enum pragma_omp_clause here.  Don't define
	YYDEBUG or declare yydebug.
	* c-parser.c (yydebug, enum pragma_omp_clause): Delete.

2006-12-09  Jan Hubicka  <>

	* cgraph.c: Update copyright.
	* cgraph.h: Likewise
	(cgraph_update_pending_function): Remove prototype.
	* cgraphunit.c: Update copyright; update overall comment.
	(cgraph_assemble_pending_functions): Make local.

2006-12-09  Maxim Kuvyrkov  <>

	* haifa-sched.c (schedule_block): Remove excessive sanity check.

2006-12-08  Trevor Smigiel  <>

	* config/spu/spu-protos.h (spu_split_immediate): Renamed from
	(cpat_const_p, gen_cpat_const): Add.
	* config/spu/spu.c (immediate_class): New enum.
	(cpat_info, classify_immediate): New.
	(print_operand): Use S, D, T instead of F, G, H.  Use
	classify_immediate.  Handle cpat cases.
	(spu_split_immediate):  Renamed from spu_split_address.  Split all
	immediates that can be split.
	(immediate_load_p): Use classify_immediate.
	(spu_legitimate_constant_p): Accept everything except some cases of
	(spu_expand_move): Use spu_split_immedate.
	(fsmbi_const_p): Use classify_immediate.
	(cpat_const_p): New.
	(gen_cpat_const: New.
	* config/spu/ (j,k,l): New constraints for cpat
	* config/spu/ (unnamed splitter): Change address splitter to
	handle all immediates.
	(_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
	(cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
	when possible.

2006-12-08  John David Anglin  <>

	PR target/30039
	* (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
	patterns.  Correct length of high:DI instruction sequence.

2006-12-08  Mike Stump  <>

	* config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
	libgcc with -mmacosx-version-min=10.4.
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
	G4 for 10.5+ unless doing kernel builds.

2006-12-08  Uros Bizjak  <>

	PR target/30120
	* reg-stack.c (convert_regs_entry): Mark current argument passing
	registers as live.

	* config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
	of float arguments in x87 registers.

2006-12-08  John David Anglin  <>

	* pa.h (LEGITIMATE_CONSTANT_P): Simplify.

2006-12-08  Mark Shinwell  <>

	* recog.c (mode_dependent_address_p): Identify pre-increment,
	pre-decrement, post-increment and post-decrement addressing as always
	being mode-dependent.
	* config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
	* config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
	* config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
	PRE_INC and POST_INC checks.
	* config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
	* config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
	Delete POST_INC and PRE_DEC cases.
	* config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
	* config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
	* config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
	PRE_INC and PRE_DEC cases.
	* config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
	* config/vax/vax.c (vax_mode_dependent_address_p): Delete
	auto-increment cases.
	* config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
	auto-increment cases.
	* config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.

2006-12-08  Andrew MacLeod  <>

	* Add new file tree-ssa-ter.c.
	* tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
	free_temp_expr_table, add_value_to_version_list,
	add_value_to_partition_list, remove_value_from_partition_list,
	add_dependence, check_replaceable, finish_expr, mark_replaceable,
	kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
	find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
	* tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
	* tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
	(struct value_expr_d): Remove.
	(struct temp_expr_table_d): Rename fields, add explicit vector of
	replaceable expressions instead of sharing.  Change value_expr_p's to
	bitmap.  Delete free_list.
	(new_temp_expr_table): Rename fields, count number of ssa_names in
	each partition.
	(free_temp_expr_table): Rename field, free new fields.
	(new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
	add_info_to_list, remove_value_from_list): Delete.
	(version_to_be_replaced_p): New.  Is an ssa-name replaceable?
	(make_dependent_on_partition): New.  Set bit in version list, allocating
	a bitmap if need be.
	(add_to_partition_kill_list): New.  Set bit in the partition list,
	allocating a bitmap if need be.
	(remove_from_partition_kill_list): New.  Remove a bit from the
	partition list, free the bitmap if it is empty.
	(add_dependence): Use renamed field, cleanup.  Don't add a dependence
	on partitions with only one member.
	(is_replaceable_p): New.  Split out replaceability check from
	(process_replaceable): New.  Code split from check_replaceable.
	(check_replaceable): Removed.
	(finished_with_expr): Renamed from finish_expr.
	(kill_expr): Use renamed fields and less parameters.
	(kill_virtual_exprs): Less parameters.
	(mark_replaceable): Use renamed fields.
	(find_replaceable_in_bb): Use renamed fields, cleanup.
	(find_replaceable_exprs): Use renamed routines, cleanup.
	(dump_replaceable_exprs): Don't go past end of ssa_names list.
	(debug_ter): New.  Debug routine to dump state.

2006-12-08  Bernd Schmidt  <>

	* config/bfin/bfin.c (effective_address_32bit_p): Return true for
	anything involving the GOT.
	(bfin_adjust_cost): Don't take the REGNO of a MEM.
	(trapping_loads_p): Look inside the pattern of an insn to find the
	* config/bfin/ (attr "type"): Add movcc.
	(insn_reservation "alu"): Likewise.
	(movsicc_insn1, movsicc_insn2): Change type to movcc.

2006-12-07  Andrew Pinski  <>

	* config/spu/spu-c.c (spu_build_overload_builtin): Delete.
	(spu_resolve_overloaded_builtin): Check for non scalar instead
	of vector type and check the function call argument type also for
	non scalar.
	Call build_function_call instead of spu_build_overload_builtin.

2006-12-07  Trevor Smigiel  <>

	* config/spu/spu.c (array_to_constant): Correct the order of arguments
	to the calls of hwint_to_const_double.

2006-12-07  Nick Clifton  <>

	* config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to

2006-12-07  Andrew Macleod  <>

	* expr.c (string_constant): Account for non-zero lower bound arrays.

2006-12-07  Richard Guenther  <>

	* builtins.c (expand_builtin_pow): Adjust predicates for
	pow to cbrt expansion to unsafe math and !HONOR_NANS for
	negative base.

2006-12-07  Jan Hubicka  <>

	* i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset

2006-12-07  Jan Hubicka  <>

	* tree-vrp.c (compare_values): Short circuit INTEGER_CST;
	use fold_constant_to_binary; tolerate wrong type constants.
	(value_intersect_p): Do just two tests.

2006-12-07  Bernd Schmidt  <>

	* config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
	* config/bfin/ (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
	lshifthi3): Use it, and fix the order of alternatives.

2006-12-07  Nick Clifton  <>

	* common.opt (record-gcc-switches): New command line switch.
	* target.h (print_switch_type): New enum.
	(print_switch_fn_type): New typedef for a function pointer.
	(struct gcc_target): Add record_gcc_switches and
	record_gcc_switches_section fields.
	* target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
	default definition.
	* toplev.c (print_single_switch): Simplify by providing a
	pointer to function that will format and output the switch
	(print_switch_values): Likewise.
	(print_to_asm_out_file): New function.
	(print_to_stderr): New function.
	(init_asm_output): If flag_record_gcc_switches is set then if
	the target supports recording the switches then emit them into
	the assembler output file, otherwise tell the user that the
	switch is not supported.
	* varasm.c (eld_record_gcc_switches): New function.  Example
	handler for the record_gcc_switches target hook.
	* doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
	target hook.
	* doc/invoke.texi (-frecord-gcc-switches): Document.

2006-12-07  Maxim Kuvyrkov  <>

	PR target/29794
	* sched-rgn.c (add_block1): Use correct initializer.

2006-12-07  Richard Guenther  <>

	* tree-vect-transform.c (vectorizable_call): Fix leftover of

2006-12-06  Aldy Hernandez  <>

	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR

2006-12-06  Jan Hubicka  <>

	* tree-vrp.c (operand_less_p): New.
	(compare_values, value_inside_range): Rewrite in terms of

2006-12-06 Uros Bizjak <>

	* config/i386/ (DIRFLAG_REG): Remove constant.
	(type): Remove cld.
	(length_immediate): Do not depend on cld type attribute.
	(length_address): Ditto.
	(modrm): Ditto.
	(memory): Ditto.
	(cld): Remove insn pattern.
	(strmov_singleop): Do not use DIRFLAG_REG.
	(*strmovdi_rex_1): Ditto.
	(*strmovsi_1): Ditto.
	(*strmovsi_rex_1): Ditto.
	(*strmovhi_1): Ditto.
	(*strmovhi_rex_1): Ditto.
	(*strmovqi_1): Ditto.
	(*strmovqi_rex_1): Ditto.
	(rep_mov): Ditto.
	(*rep_movdi_rex64): Ditto.
	(*rep_movsi): Ditto.
	(*rep_movsi_rex64): Ditto.
	(*rep_movqi): Ditto.
	(*rep_movqi_rex64): Ditto.
	(strset_singleop): Ditto.
	(*strsetdi_rex_1): Ditto.
	(*strsetsi_1): Ditto.
	(*strsetsi_rex_1): Ditto.
	(*strsethi_1): Ditto.
	(*strsethi_rex_1): Ditto.
	(*strsetqi_1): Ditto.
	(*strsetqi_rex_1): Ditto.
	(rep_stos): Ditto.
	(*rep_stosdi_rex64): Ditto.
	(*rep_stossi): Ditto.
	(*rep_stossi_rex64): Ditto.
	(*rep_stosqi): Ditto.
	(*rep_stosqi_rex64): Ditto.
	(cmpstrnsi): Do not generate cld insn.
	(cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
	(*cmpstrnqi_nz_1): Ditto.
	(*cmpstrnqi_nz_rex_1): Ditto.
	(cmpstrnqi_1): Ditto.
	(*cmpstrnqi_1): Ditto.
	(*cmpstrnqi_rex_1): Ditto.
	(strlenqi_1): Ditto.
	(*strlenqi_1): Ditto.
	(*strlenqi_rex_1): Ditto.

	* config/i386/ (shift): Do not depend on cld type attribute.
	* config/i386/ (pent_cld): Remove insn reservation.
	* config/i386/ (athlon_decode): Do not depend on cld
	type attribute.
	* config/i386/ (ppro_cld): Remove insn reservation.
	* config/i386/ (k6_alux_only): Do not depend on cld type
	(k6_alux_only_load): Ditto.
	(k6_alux_only_store): Ditto.

	* config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
	Do not emit cld instruction.
	(ix86_expand_setmem): Ditto.
	(ix86_expand_strlen): Do not emit cld instruction.

2006-12-06  Bernd Schmidt  <>

	* config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
	old ones.

2006-12-06  Diego Novillo  <>

	* Set complaints to 0.

2006-12-06  Jan Hubicka  <>

	ALONE_MEM_STAT_DECL): New macros.
	* bitmap.h: Include statistics.h
	(struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
	(bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
	(bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
	* bitmap.c: Include hashtab.h
	(bitmap_descriptor): New.
	(bitmap_hash): New static variable
	(hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
	New static functions.
	(bitmap_register): New.
	(bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
	bitmap_obstack_release): Do accounting.
	(bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
	(bitmap_gc_alloc_stat): Likewise.
	(bitmap_obstack_free, bitmap_find_bit): Do statictics.
	(print_statistics, dump_bitmap_statistics): New functions.
	* toplev.c (finalize): Dump bitmap statistics.

2006-12-06  Bernd Schmidt  <>

	* reload1.c (delete_output_reload): Count occurrences in
	* rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
	crashing at the end of the list.

2006-12-05  Daniel Berlin  <>

	* tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
	Optimize to avoid marking more SMT's as used when they aren't.

2006-12-05  Eric Christopher  <>

	* config/i386/i386.c (x86_output_aligned_bss): Move out
	of COMMON_ASM_OP ifdef.

2006-12-05  Eric Christopher  <>

	* config/darwin.h (DARWIN_EXTRA_SPECS): New.
	* config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
	* config/i386/darwin.h: Ditto.
	* config/rs6000/darwin.h: Ditto.

2006-12-05  Daniel Berlin  <>

	* tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
	* tree-complex.c (pass_lower_complex): Ditto.
	* tree-ssa-ccp.c (pass_ccp): Ditto.
	(pass_store_ccp): Ditto.
	* tree-ssa-dom.c (pass_dominator): Ditto.
	(pass_phi_only_cprop): Ditto.
	* tree-sra.c (pass_sra): Ditto.
	* tree-ssa-forwprop.c (pass_forwprop): Ditto.
	* tree-flow.h (updating_used_alone): Remove.
	(updating_used_alone): Ditto.
	* tree-ssa-alias.c (updating_used_alone): Remove variable.
	(lhs_may_store_to): Remove function.
	(recalculate_used_alone): Ditto.
	(compute_may_aliases): Remove used_alone calculation.
	* tree.h (struct tree_memory_tag): Remove is_used_alone and
	old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
	* tree-pass.h (PROP_smt_usage): Remove.
	* passes.c (execute_todo): Remove used alone recalculation.
	(execute_one_pass): Ditto.
	* tree-ssa-operands.c (add_virtual_operand): Remove used_alone

2006-12-05  Brooks Moses  <>

	* doc/include/texinfo.tex: Update to version 2006-11-08.17.

2006-12-05  Zdenek Dvorak <>

	PR tree-optimization/14784
	* tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.

2006-12-05  Aldy Hernandez  <>

	Merge from gimple-tuples-branch.

	2006-12-04  Aldy Hernandez  <>

	* config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
	(s390_gimplify_va_arg): Same.
	* config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
	* config/sh/sh.c (sh_va_start): Same.
	(sh_gimplify_va_arg_expr): Same.
	* config/xtensa/xtensa.c (xtensa_va_start): Same.
	(xtensa_gimplify_va_arg_expr): Same.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
	* config/mips/mips.c (mips_va_start): Same.
	(mips_gimplify_va_arg_expr): Same.

	2006-12-04  Aldy Hernandez  <>

	* Merge from mainline at revision 119445.

	2006-12-04  Aldy Hernandez  <>

	* config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
	(spu_gimplify_va_arg_expr): Same.

	2006-12-04  Aldy Hernandez  <>

	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
	(xstormy16_expand_builtin_va_arg): Same.

	2006-12-04  Aldy Hernandez  <>

	* config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR

	2006-12-04  Aldy Hernandez  <>

	* config/alpha/alpha.c (va_list_skip_additions): Change all
	(alpha_va_start): Same.
	(alpha_gimplify_va_arg_1): Same.
	(alpha_gimplify_va_arg): Same.

	2006-12-01  Aldy Hernandez  <>

	* gimplify.c (gimplify_modify_expr): Remove FIXME comment.

	2006-12-01  Aldy Hernandez  <>

	* tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
	* tree-complex.c: Same.
	* tree-pretty-print.c: Same.
	* tree.c: Same.
	* tree.h: Same.
	* builtins.c: Same.
	* fold-const.c: Same.
	* tree-ssa-dom.c: Same.
	* tree-ssa-propagate.c: Same.
	* tree-ssa-alias.c: Same.
	* gimple-low.c: Same.
	* dwarf2out.c: Same.
	* c-pretty-print.c: Same.
	* gimplify.c: Same.
	* tree-inline.c: Same.
	* tree-outof-ssa.c: Same.
	* tree-ssa-structalias.c: Same.
	* tree-ssa-reassoc.c: Same.
	* stmt.c: Same.

	2006-11-16  Aldy Hernandez  <>

	* tree.c (build2_stat): Fix comment.

	2006-11-13  Aldy Hernandez  <>

	* tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
	TREE_OPERAND when appropriate.

	2006-11-04  Aldy Hernandez  <>

	* java/java-tree.h (lang_tree_node): Handle gimple tuples.
	(EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
	(EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of
	* java/java-gimplify.c (java_gimplify_expr): Comment on why we do
	not handle GIMPLE_MODIFY_STMT in the switch statement.
	(java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
	(java_gimplify_new_array_init): Same.

	2006-11-03  Aldy Hernandez  <>

	* gimplify.c (gimplify_omp_for): Allow gimple statements.
	* tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
	* fold-const.c (fold_binary): Allow gimple statements.
	(fold): Same.
	* fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
	Rename from gfc_conv_descriptor_data_set.
	Call gfc_add_modify instead of gfc_add_modify_expr.
	* fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
	Rename from gfc_conv_descriptor_data_set.
	(gfc_conv_descriptor_data_set): New macro.
	(gfc_conv_descriptor_data_set_tuples): New macros.
	* fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
	* fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
	Generate GIMPLE_MODIFY_STMT when appropriate.
	* fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
	(gfc_add_modify_expr): New macro.
	(gfc_add_modify_stmt): New macro.
	* fortran/f95-lang.c (lang_tree_node): Handle gimple statements.

	2006-11-01  Aldy Hernandez  <>

	* Merge from mainline at revision 118200.

	2006-10-09  Aldy Hernandez  <>

	* tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust

	2006-10-09  Aldy Hernandez  <>

	* tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
	enable checking.
	Also, add __extension__ to GCC versions.
	* tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
	* tree-inline.c (copy_tree_r): Initialize chain to assuage the warning

	2006-10-05  Aldy Hernandez  <>

	* tree-complex.c (expand_complex_libcall): Adjust for
	(expand_complex_comparison): Same.
	* tree-pretty-print.c (dump_generic_node): Is_expr should include
	GIMPLE_STMT_P statements.
	* value-prof.c (tree_divmod_fixed_value_transform): Adjust for
	(tree_mod_pow2_value_transform): Same.
	(tree_mod_subtract_transform): Same.
	* tree.c (build2_stat): Check for gimplified function in cfun.
	* tree.h (DECL_GIMPLIFIED): Delete.
	(struct tree_function_decl): Remove gimplified_flag.
	* omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
	* cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
	(cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
	(cxx_omp_clause_copy_ctor): Same.
	(cxx_omp_clause_assign_op): Same.
	* c-pretty-print.c (pp_c_conditional_expression): Same.
	(pp_c_expression): Same.
	* langhooks.c (lhd_omp_predetermined_sharing): Same.
	* function.h (struct function): Add gimplified field.
	* tree-if-conv.c (add_to_dst_predicate_list): Adjust for
	(find_phi_replacement_condition): Same.
	* gimplify.c (gimplify_modify_expr_to_memcpy): Same.
	(gimplify_modify_expr_to_memset): Same.
	(gimplify_init_ctor_eval_range): Same.
	(gimplify_modify_expr_complex_part): Same.
	(tree_to_gimple_tuple): Same.
	(gimplify_modify_expr): Same.
	(gimple_push_cleanup): Same.
	(gimplify_omp_for): Same.
	(gimplify_omp_atomic_pipeline): Same.
	(gimplify_omp_atomic_mutex): Same.
	(gimplify_expr): Same.
	(gimplify_one_sizepos): Same.
	(gimplify_function_tree): Same.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
	(vect_recog_widen_sum_pattern): Same.
	* tree-vect-transform.c (get_initial_def_for_reduction): Same.
	(vect_create_epilog_for_reduction): Same.
	(vectorizable_reduction): Same.

	2006-09-28  Aldy Hernandez  <>

	* tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
	* tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
	(ifc_temp_var): Same.
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Check
	for gimple statements.
	(vect_analyze_operations): Same.
	(exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
	* gimplify.c (gimplify_return_expr): Handle gimple statements.
	* lambda-code.c (can_put_in_inner_loop): Same.
	(can_put_after_inner_loop): Same.
	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
	(vect_create_data_ref_ptr): Same.
	(vect_init_vector): Same.
	(vect_get_vec_def_for_operand): Same.
	(vect_create_epilog_for_reduction): Same.
	(vectorizable_reduction): Same.
	(vectorizable_assignment): Same.
	(vectorizable_operation): Same.
	(vectorizable_load): Same.
	(vectorizable_condition): Same.
	* config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
	(rs6000_gimplify_va_arg): Same.

	2006-09-25  Aldy Hernandez  <>

	* tree-vrp.c (simplify_div_or_mod_using_ranges): Use
	(simplify_abs_using_ranges): Same.
	* tree-complex.c (expand_complex_operations_1): Use
	* tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
	(get_val_for): Use GIMPLE_STMT_OPERAND.
	* tree-tailcall.c (adjust_accumulator_values): Same.
	(adjust_return_value): Same.
	* tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
	case.  Remove special case for tcc_gimple_stmt.
	* tree.h (CAN_HAVE_LOCATION_P): New.
	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
	* tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
	* tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
	* tree-nrv.c (execute_return_slot_opt): Same.
	* tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
	* tree-vn.c (set_value_handle): Same.
	(get_value_handle): Same.
	* c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
	* tree-vectorizer.c (find_loop_location): Same.
	* c-typeck.c (c_process_expr_stmt): Same.
	(c_finish_stmt_expr): Same.
	* gimplify.c (should_carry_locus_p): Same.
	(tree_to_gimple_tuple): Delete definition and use of unecessary
	variable save_tree_block.
	* tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
	(create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
	(realify_fake_stores): Same.
	* tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
	* tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
	(copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
	* tree-cfg.c (move_stmt_r): Use EXPR_P.  Check for GIMPLE_STMT_P.
	* c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
	(c_parser_statement_after_labels): Same.
	(c_parser_paren_condition): Same.
	(c_parser_for_statement): Same.
	(c_parser_omp_for_loop): Same.
	* tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
	(linearize_expr_tree): Same.
	* dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
	* function.c (instantiate_expr): Same.

	2006-09-22  Aldy Hernandez  <>

	* tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
	(set_expr_location): Same.
	(expr_locus): Same.
	(set_expr_locus): Same.
	(expr_filename): Same.
	(expr_lineno): Same.
	(tree_block): Use GIMPLE_STMT_BLOCK.
	(protected_tree_operand): Use GIMPLE_STMT_OPERAND.
	* tree.h (struct gimple_stmt): Remove prev and next.
	(GIMPLE_STMT_OPERAND): Use union, not cast.
	* gimplify.c (tree_to_gimple_tuple): Use union.  Do not cast
	to tree_base.
	* tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.

	2006-09-21  Aldy Hernandez  <>

	* tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
	to base.
	* tree-tailcall.c (adjust_return_value): Same.
	* tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
	(copy_node_stat): Change common.base to base.
	(tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
	* tree.h (struct gimple_stmt): Make operands of type tree.
	Change common.base to base.
	(union tree_node): Add base.  Remove gimple_statement_list.
	Remove pointer from gstmt.
	* tree-ssa-propagate.c (set_rhs): Change common.base to base.
	* treestruct.def: Add TS_BASE.  Remove TS_GIMPLE_STATEMENT_LIST.
	* tree-vn.c (vn_compute): Change common.base to base.
	* tree-eh.c (verify_eh_throw_stmt_node): Same.
	* tree-flow-inline.h (var_ann): Same.
	(function_ann): Same.
	(stmt_ann): Same.
	(mark_non_addressable): Same.
	* gimplify.c (tree_to_gimple_tuple): Same.
	* tree-dfa.c (create_var_ann): Change common.base to base.
	(create_function_ann): Same.
	(create_stmt_ann): Same.
	(create_tree_ann): Same.
	(collect_dfa_stats_r): Same.
	* tree-ssa-pre.c (NECESSARY): Change common.base to base.
	* tree-ssa-dce.c (NECESSARY): Same.
	* tree-ssa.c (delete_tree_ssa): Same.
	* tree-optimize.c (execute_free_cfg_annotations): Same.
	* tree-flow.h: Same.

	2006-09-19  Aldy Hernandez  <>

	* tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
	(tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
	* tree.h (struct gimple_stmt): Add prev and next fields.
	(struct gimple_statement_list): New.
	(union tree_node): Add gimple_stmt_list and gstmt.

	2006-09-06  Aldy Hernandez  <>

	* tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
	* tree-vrp.c (build_assert_expr_for): Change uses of
	MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
	(find_assert_locations): Same.
	(remove_range_assertions): Same.
	(stmt_interesting_for_vrp): Same.
	(vrp_visit_assignment): Same.
	(vrp_visit_stmt): Same.
	(simplify_cond_using_ranges): Same.
	* tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
	tree structure.
	* tree-ssa-loop-im.c (movement_possibility): Change uses of
	MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
	(stmt_cost): Same.
	(determine_invariantness_stmt): Same.
	(schedule_sm): Same.
	(gather_mem_refs_stmt): Same.
	* tree-complex.c (init_dont_simulate_again): Same.
	(complex_visit_stmt): Same.
	(set_component_ssa_name): Same.
	(expand_complex_move): Same.
	(expand_complex_div_wide): Same.
	(expand_complex_comparison): Same.
	(expand_complex_operations_1): Same.
	* tree-ssa-loop-niter.c (expand_simple_operations): Same.
	(chain_of_csts_start): Same.
	(infer_loop_bounds_from_undefined): Same.
	* tree-pretty-print.c (dump_generic_node): Same.
	(op_prio): Same.
	(op_symbol_1): Same.
	* tree-ssa-loop-manip.c (create_iv): Same.
	* value-prof.c (tree_divmod_fixed_value): Same.
	(tree_divmod_fixed_value_transform): Same.
	(tree_mod_pow2): Same.
	(tree_mod_pow2_value_transform): Same.
	(tree_mod_subtract): Same.
	(tree_mod_subtract_transform): Same.
	(tree_divmod_values_to_profile): Same.
	* tree-tailcall.c (process_assignment): Same.
	(find_tail_calls): Same.
	(adjust_accumulator_values): Same.
	(adjust_return_value): Same.
	(eliminate_tail_call): Same.
	* tree.c (tree_code_size): Handle tcc_gimple_stmt.
	(make_node_stat): Same.
	(copy_node_stat): Handle gimple tuples.
	(expr_align): Handle GIMPLE_MODIFY_STMT.  Abort on MODIFY_EXPR.
	(tree_node_structure): Handle tcc_gimple_stmt.
	(build2_stat): Abort on MODIFY_EXPR after gimplification.  Handle
	(build2_gimple_stat): New.
	(expr_location): New.
	(set_expr_location): New.
	(expr_has_location): New.
	(expr_locus): New.
	(set_expr_locus): New.
	(expr_filename): New.
	(expr_lineno): New.
	(walk_tree): Handle tcc_gimple_stmt.
	(tree_block): New.
	(protected_tree_operand): New.
	(protected_tree_type): New.
	(tree_code_kind): Add gimple statements.
	* tree.h (tree_code_class): Add tcc_gimple_stmt.
	(struct tree_base): New.
	(struct tree_common): Shrink.
	(struct gimple_stmt): New.
	(struct gimple_expr): New.
	Adjust for new `common' layout.
	(struct tree_function_decl): Add gimplified_flag.
	EXPR_HAS_LOCATION): Call corresponding function.
	(TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
	(TREE_BLOCK): Call tree_block.
	(build2_gimple_stat): Protoize.
	(build2_gimple): New.
	(expr_location): Protoize.
	(set_expr_location): Protoize.
	(expr_has_location): Protoize.
	(expr_locus): Protoize.
	(set_expr_locus): Protoize.
	(expr_filename): Protoize.
	(expr_lineno): Protoize.
	(tree_block): Protoize.
	(protected_tree_operand): Protoize.
	(protected_tree_type): Protoize.
	(enum tree_node_kind): Add gimple_stmt_kind.
	* c-decl.c (union lang_tree_node): Tuples do not have a
	* ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
	GIMPLE_MODIFY_STMT and adjust accordingly.
	* tree-scalar-evolution.c (follow_ssa_edge): Same.
	(interpret_condition_phi): Same.
	(pointer_used_p): Same.
	(analyze_scalar_evolution_1): Same.
	(scev_const_prop): Same.
	(interpret_rhs_modify_stmt): Rename from
	* builtins.c (std_expand_builtin_va_start): Change uses of
	MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
	(std_gimplify_va_arg_expr): Same.
	(expand_builtin_va_copy): Same.
	(integer_valued_real_p): Same.
	* fold-const.c (maybe_lvalue_p): Same.
	(fold_unary): Same.
	(tree_expr_nonnegative_p): Same.
	(tree_expr_nonzero_p): Same.
	* omp-low.c (extract_omp_for_data): Same.
	(lower_rec_input_clauses): Same.
	(lower_reduction_clauses): Same.
	(lower_copyprivate_clauses): Same.
	(lower_send_clauses): Same.
	(lower_send_shared_vars): Same.
	(expand_parallel_call): Same.
	(expand_omp_parallel): Same.
	(expand_omp_for_generic): Same.
	(expand_omp_for_static_nochunk): Same.
	(expand_omp_for_static_chunk): Same.
	(expand_omp_sections): Same.
	(lower_omp_single_copy): Same.
	(lower_omp_parallel): Same.
	* tree-ssa-dse.c (memory_address_same): Same.
	(dse_optimize_stmt): Same.
	* ipa-reference.c (scan_for_static_refs): Same.
	* tree-gimple.c (is_gimple_reg_rhs): Same.
	(get_call_expr_in): Same.
	(recalculate_side_effects): Same.
	* cgraphunit.c (cgraph_create_edges): Same.
	* tree-ssa-copyrename.c (rename_ssa_copies): Same.
	* tree-ssa-ccp.c (get_default_value): Same.
	(likely_value): Same.
	(visit_assignment): Same.
	(ccp_visit_stmt): Same.
	(get_maxval_strlen): Same.
	(ccp_fold_builtin): Same.
	* tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
	(find_givs_in_stmt): Same.
	(find_interesting_uses_op): Same.
	(find_interesting_uses_stmt): Same.
	(rewrite_use_nonlinear_expr): Same.
	* ipa-pure-const.c (scan_function): Same.
	* tree-stdarg.c (va_list_counter_bump): Same.
	(check_all_va_list_escapes): Same.
	(execute_optimize_stdarg): Same.
	* tree-ssa-math-opts.c (compute_merit): Same.
	(insert_reciprocals): Same.
	(execute_cse_reciprocals): Same.
	* tree-ssa-dom.c (initialize_hash_element): Same.
	(simple_iv_increment_p): Same.
	(record_equivalences_from_stmt): Same.
	(optimize_stmt): Same.
	(remove_stmt_or_phi): Same.
	(get_rhs_or_phi_arg): Same.
	(get_lhs_or_phi_result): Same.
	(propagate_rhs_into_lhs): Same.
	* tree-nrv.c (tree_nrv): Same.
	(execute_return_slot_opt): Same.
	* tree-ssa-propagate.c (get_rhs): Same.
	(set_rhs): Same.
	(stmt_makes_single_load): Same.
	(stmt_makes_single_store): Same.
	(replace_vuses_in): Same.
	(fold_predicate_in): Same.
	(substitute_and_fold): Same.
	* tree-ssa-alias.c (compute_call_clobbered): Same.
	(recalculate_used_alone): Same.
	(count_uses_and_derefs): Same.
	(is_escape_site): Same.
	(find_used_portions): Same.
	* gimple-low.c (lower_stmt): Same.
	(block_may_fallthru): Same.
	(lower_return_expr): Same.
	* tree-ssa-sink.c (is_hidden_global_store): Same.
	(statement_sink_location): Same.
	* dwarf2out.c (loc_descriptor_from_tree_1): Same.
	* expr.c (safe_from_p): Same.
	(expand_expr_real): Same.
	(expand_expr_real_1): Same.
	* tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
	* predict.c (expr_expected_value): Same.
	(strip_builtin_expect): Same.
	(apply_return_prediction): Same.
	(tree_bb_level_predictions): Same.
	(tree_estimate_probability): Same.
	* tree-vn.c (vn_compute): Same.
	* tree-eh.c (add_stmt_to_eh_region_fn): Same.
	(remove_stmt_from_eh_region_fn): Same.
	(do_return_redirection): Same.
	(honor_protect_cleanup_actions): Same.
	(lower_try_finally_switch): Same.
	(lower_eh_constructs_1): Same.
	(tree_could_throw_p): Same.
	(verify_eh_throw_stmt_node): Same.
	* function.c (gimplify_parameters): Same.
	* tree-vectorizer.c (vect_is_simple_use): Same.
	(vect_is_simple_reduction): Same.
	* ipa-type-escape.c (scan_for_refs): Same.
	* tree-if-conv.c (tree_if_conversion): Same.
	(tree_if_convert_stmt): Same.
	(if_convertible_gimplify_modify_stmt_p): Rename from
	(if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
	(ifc_temp_var): Same.
	(replace_phi_with_cond_modify_stmt): Rename from
	(process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
	* tree-data-ref.c (find_data_references_in_loop): Adjust for
	* tree-flow-inline.h (var_ann): Same.
	(function_ann): Same.
	(stmt_ann): Same.
	(mark_non_addressable): Same.
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
	* gimplify.c (tree_to_gimple_tuple): New.
	(build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
	(gimplify_return_expr): Same.
	(gimplify_decl_expr): Same.
	(gimplify_self_mod_expr): Same.
	(gimplify_cond_expr): Same.
	(gimplify_init_constructor): Same.
	(gimplify_modify_expr): Same.
	(gimplify_expr): Same.
	(gimplify_function_tree): Same.
	(force_gimple_operand): Same.
	* tree-ssa-phiopt.c (conditional_replacement): Same.
	(minmax_replacement): Same.
	(abs_replacement): Same.
	* tree-dfa.c (create_var_ann): Same.
	(create_function_ann): Same.
	(create_stmt_ann): Same.
	(create_tree_ann): Same.
	(collect_dfa_stats_r): Same.
	* tree-ssa-pre.c (find_or_generate_expression): Same.
	(create_expression_by_pieces): Same.
	(try_look_through_load): Same.
	(insert_fake_stores): Same.
	(realify_fake_stores): Same.
	(compute_avail): Same.
	(eliminate): Same.
	(init_pre): Same.
	(poolify_modify_stmt): Rename from poolify_modify_stmt.
	(NECESSARY): Adjust for new `common' layout.
	* tree-ssa-live.c (build_tree_conflict_graph): Adjust for
	* tree-sra.c (sra_walk_modify_stmt): Rename from
	(sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
	(generate_copy_inout): Same.
	(generate_element_copy): Same.
	(generate_element_zero): Same.
	(scalarize_copy): Same.
	* tree-mudflap.c (mf_decl_cache_locals): Same.
	(mf_build_check_statement_for): Same.
	(mf_xform_derefs): Same.
	* ipa-prop.c (ipa_method_modify_stmt): Same.
	* print-tree.c (print_node): Handle gimple tuples.
	Add case for tcc_gimple_stmt.
	* tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
	(copy_prop_visit_assignment): Same.
	(copy_prop_visit_stmt): Same.
	(init_copy_prop): Same.
	* tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
	(forward_propagate_into_cond_1): Same.
	(find_equivalent_equality_comparison): Same.
	(tidy_after_forward_propagate_addr): Same.
	(forward_propagate_addr_expr_1): Same.
	(simplify_not_neg_expr): Same.
	(simplify_switch_expr): Same.
	* tree-ssa-dce.c (find_pdom): Same.
	(mark_stmt_if_obviously_necessary): Same.
	(NECESSARY): Adjust for new `common' layout.
	* tree-flow.h: Same.
	* tree-vect-patterns.c (widened_name_p): Adjust for
	(vect_recog_dot_prod_pattern): Same.
	(vect_recog_widen_sum_pattern): Same.
	(vect_pattern_recog_1): Same.
	* tree-nested.c (init_tmp_var): Same.
	(save_tmp_var): Same.
	(walk_stmts): Same.
	(convert_call_expr): Same.
	(finalize_nesting_tree_1): Same.
	* tree-ssa.c (verify_ssa): Same.
	(delete_tree_ssa): Same.
	* lambda-code.c (lbv_to_gcc_expression): Same.
	(lle_to_gcc_expression): Same.
	(lambda_loopnest_to_gcc_loopnest): Same.
	(can_put_in_inner_loop): Same.
	(can_convert_to_perfect_nest): Same.
	(perfect_nestify): Same.
	* tree-ssa-loop-prefetch.c (gather_memory_references): Same.
	* tree-inline.c (copy_body_r): Same.
	(setup_one_parameter): Same.
	(initialize_inlined_parameters): Same.
	(estimate_num_insns_1): Same.
	(expand_call_inline): Same.
	(gimple_expand_calls_inline): Same.
	(copy_tree_r): Same.
	* tree-optimize.c (execute_free_cfg_annotations): Same.
	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
	(vect_align_data_ref): Same.
	(vect_create_data_ref_ptr): Same.
	(vect_init_vector): Same.
	(vect_create_epilog_for_reduction): Same.
	(vectorizable_reduction): Same.
	(vectorizable_assignment): Same.
	(vectorizable_operation): Same.
	(vectorizable_store): Same.
	(vectorizable_load): Same.
	(vectorizable_live_operation): Same.
	(vectorizable_condition): Same.
	(vect_generate_tmps_on_preheader): Same.
	(vect_create_cond_for_align_checks): Same.
	* tree-object-size.c (collect_object_sizes_for): Same.
	(check_for_plus_in_loops_1): Same.
	(check_for_plus_in_loops): Same.
	* tree-outof-ssa.c (insert_copy_on_edge): Same.
	(replace_use_variable): Same.
	(check_replaceable): Same.
	(rewrite_trees): Same.
	(identical_copies_p): Same.
	(insert_backedge_copies): Same.
	* tree-profile.c (tree_gen_edge_profiler): Same.
	* tree-vect-generic.c (expand_vector_operations_1): Same.
	* tree-ssa-structalias.c (update_alias_info): Same.
	(find_func_aliases): Same.
	* tree-cfg.c (factor_computed_gotos): Same.
	(make_edges): Same.
	(make_goto_expr_edges): Same.
	(tree_merge_blocks): Same.
	(remove_useless_stmts_cond): Same.
	(remove_useless_stmts_1): Same.
	(tree_find_edge_insert_loc): Same.
	(verify_expr): Same.
	(gimplify_val): Same.
	(verify_gimple_tuples_1): New.
	(verify_gimple_tuples): New.
	(verify_stmts): Call verify_gimple_tuples.
	* tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
	(get_unary_op): Same.
	(linearize_expr): Same.
	(get_single_immediate_use): Same.
	(negate_value): Same.
	(should_break_up_subtract): Same.
	(break_up_subtract): Same.
	(repropagate_negates): Same.
	(break_up_subtract_bb): Same.
	(reassociate_bb): Same.
	* config/i386/i386.c (ix86_va_start): Same.
	(ix86_gimplify_va_arg): Same.
	* stmt.c (expand_expr_stmt): Same.
	(warn_if_unused_value): Same.
	(expand_return): Same.
	* tree-ssanames.c (make_ssa_name): Same.
	* tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
	* tree-ssa-operands.c (finalize_ssa_defs): Same.
	(add_virtual_operand): Same.
	(get_expr_operands): Same.
	(parse_ssa_operands): Same.
	(get_modify_stmt_operands): Rename from get_modify_expr_operands.

2006-12-05  H.J. Lu  <>

	* Remove extra blank line.

2006-12-05  Bernd Schmidt  <>

	* (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
	target is also an x86 variant.

2006-12-05  Richard Guenther  <>

	* config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
	(ix86_builtin_vectorized_function): New function to vectorize

2006-12-05  Bernd Schmidt  <>

	* config/bfin/bfin.c (output_file_start): Fix comment which referred to

2006-12-04  Jan Hubicka  <>

	* cfgexpand.c (expand_one_var): Guard expand_one_stack_var by

2006-12-04  Bernd Schmidt  <>

	* rtlanal.c (note_uses): Deal with SEQUENCEs.
	* config/bfin/bfin.c: Include "timevar.h".
	(bfin_flag_schedule_insns2, splitting_for_sched,
	bfin_flag_var_tracking): New variables.
	(print_operand): Handle '%!'.
	(override_options): Disable normal sched2 pass, instead set
	bfin_flag_schedule_insns2 for reorg to handle it.
	(output_file_start): Likewise for var-tracking.
	(bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
	(gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
	New functions.
	(bfin_reorg): Do second scheduling pass here, and call
	bfin_gen_bundles.  Use type_for_anomaly and trapping_loads_p instead
	of examining insns directly.  If bfin_flag_var_tracking, call
	var-tracking pass when done with everything else.
	* config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
	* config/bfin/ (UNSPEC_32BIT): New constant.
	(movsi_insn32): New pattern, with two new splits to create it
	before the final scheduling pass.
	(neghi2): Not a dsp32 insn, rather alu0.
	(movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
	movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
	extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
	mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
	ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
	movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
	movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
	ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
	addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
	subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
	addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
	flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
	flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
	flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
	flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
	flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
	mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
	lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
	variants instead of ';'.
	(ror_one, rol_one): Likewise.  Make them dsp32 insns.
	(ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
	(align8, align16, align24): Now named patterns; also using '%!'.
	(mnop): New insn.

2006-12-05  Kazu Hirata  <>

	* config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
	tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.

2006-12-04  Trevor Smigiel  <>

	* config/spu/spu-protos.c (spu_split_address): Add.
	* config/spu/spu.c (spu_split_address): Add.
	(print_operand): Handle HIGH.
	(spu_legitimate_address):  Don't test for aligned CONST.
	(spu_expand_mov):  Don't split addresses here.
	* config/spu/ (A): Don't test legitimate_const.
	* config/spu/ Add split of movsi patterns for PIC mode.
	(ceq_di): Use correct predicates.

2006-12-04  Eric Christopher  <>

	* config/darwin.h: Update copyright notice.
	* config/i386/darwin.h: Ditto.

2006-12-04  Jan Hubicka  <>

	* builtins.c (fold_builtin_memory_op): Check that expr_size match.
	* explow.c (expr_size, int_expr_size): Assert that size is non_NULL.

2006-12-04  Daniel Berlin  <>

	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
	* tree-ssa-structalias.c (set_used_smts): Export.
	(find_what_p_points_to): Don't call set_used_smts here.
	* tree-ssa-structalias.h (set_used_smts): Add prototype.

2006-12-04  Daniel Berlin  <>

	* tree-ssa-alias.c (compute_may_aliases):
	Compute flow sensitive before flow insensitive.
	(compute_flow_sensitive_aliasing): Don't try to add
	a symbol memory tag to itself.

	* alias.h (alias_set_subset_of): New prototype.

	* alias.c (alias_set_subset_of): New function.

	* tree-ssa-structalias.c: Update comments.
	(struct variable_info): Add finished_solution.
	(new_varinfo): Set finished solution to NULL.
	(var_escaped_vars): Remove.
	(escaped_vars_tree): Remove.
	(escaped_vars_id): Remove.
	(nonlocal_vars_id): Remove.
	(constraint_expr_type): Add INCLUDES.
	(graph_size): Removed.
	(dump_constraint): Support INCLUDES.
	(build_constraint_graph): Ditto.
	(collapse_nodes): Add merge_solutions argument.
	Don't merge attributes.
	(process_unification_queue): Just use collapse_nodes.
	(perform_var_substitution): Update call to collapse_nodes.
	(get_constraint_exp_from_ssa_var): Use INCLUDES.
	(process_constraint): Fix non-field sensitive handling
	Handle includes.
	(get_constraint_for): Use INCLUDES.
	(make_constraint_from_anything): Renamed from
	(make_constraint_to_escaped): Removed.
	(find_global_initializers): Removed.
	(create_variable_info_for): Do not make constraints to escaped
	vars anymore.
	(dump_solution_for_var): Don't print out the equivalent points-to
	sets, just use the name of the variable it shares it with.
	(intra_create_variable_infos): Use INCLUDES.
	Change nonlocal variable sets to anything sets.
	(init_base_vars): Remove escaped_vars and nonlocal_var
	(find_escape_constraints): Removed.
	(delete_points_to_sets): Remove dead code.
	(used_smt_calculated): New variable.
	(set_used_smts): New function.
	(merge_smts_into): New function.
	(find_what_p_points_to): Modify to use SMTs.
	(create_nonlocal_var): Remove.

	* tree-ssa-operands.c (access_can_touch_variable): Remove
	reference to nonlocal_all.

	* tree-ssa.c (verify_name_tags): Remove.

2006-12-04  Carlos O'Donell  <>

	* config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
	(__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.

2006-12-04  Andrew MacLeod  <>

	* tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
	* tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
	(add_livein_if_notdef): Delete.
	(loe_visit_block): New.  Propogate live on entry info for a block into
	each predecessor.  If it changes, make sure it is visited again.
	(live_worklist): Visit every block and update the live on entry info
	for preds.  Iterate over any that changed.
	(set_var_live_on_entry): Populate the live on entry blocks with bits
	based on the immediate uses of a var.
	(calculate_live_on_entry): Remove.
	(calculate_live_on_exit): Calculate live on exit based on the newly
	oriented live on entry bits.
	(calculate_live_ranges): Build live on entry and exit vectors.
	(dump_live_info): Use new orientation of live on entry bitmaps.
	(verify_live_on_entry): New.  Split out verification code from old
	calculate_live_on_entry routine.
	* tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
	(live_entry_blocks): Rename to live_on_entry and return bitmap for a
	basic_block instead of for a partition.
	(live_merge_and_clear): Add asserts.
	(make_live_on_entry): Set partition bit in basic block vector.

2006-12-04  Jakub Jelinek  <>

	PR libgomp/29947
	* omp-low.c (expand_omp_for_static_nochunk,
	expand_omp_for_static_chunk): Do all arithmetics in signed rather than
	unsigned type.

	PR middle-end/29965
	* omp-low.c (determine_parallel_type): Don't try to optimize combined
	parallels if region->exit or region->inner->exit is NULL.
	(expand_omp_parallel): Handle NULL region->exit even if cfg is already
	(expand_omp_for_generic): Handle NULL region->cond and region->exit.
	(expand_omp_for): Use expand_omp_for_generic if either region->cond
	or region->exit is NULL.
	(expand_omp_sections): Handle NULL region->cond or region->exit.

2006-12-04  Eric Botcazou  <>

	* config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
	* config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.

2006-12-04  Eric Botcazou  <>

	* tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
	TYPE_MAX_VALUE for scalar types here but...
	(walk_tree): ...there instead.  Return NULL_TREE if the TYPE_DECL
	is attached an error mark, and the return value of the callback
	if it is not NULL_TREE.

2006-12-04  Ben Elliston  <>

	* config/spu/ (_mulv4si3): Remove unused local variables.

2006-12-03  Eric Christopher  <>

	PR target/24598
	* config/t-slibgcc-darwin: Pass -install_name.
	* config/darwin.h (LINK_COMMAND_SPEC): Remove use of
	libtool. Only pass through options that the linker recognizes.
	(LINK_SPEC): Update comment. Translate options.
	(STARTFILE_SPEC): Add dylib1.o for shared libraries.
	* config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.

2006-12-03  Dorit Nuzman  <>

	* config/spu/ (smaxv4sf3, sminv4sf3): New.

2006-12-03  Uros Bizjak  <>

	PR target/30041
	* config/i386/ ("*sse3_movddup"): Use operands[0] and
	operands[1] in insn constraint.  Correct type attribute to sselog1.

2006-12-02  H.J. Lu  <>

	PR target/30040
	* config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
	(bit_SSSE3): New.
	(host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
	processor detection.

	* config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
	-march=native if there is no -mtune=*.

	* config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)

2006-12-02  Kaveh R. Ghazi  <>

	* doc/install.texi: Update recommended MPFR version.  Remove
	obsolete reference to cumulative patch.

2006-12-02  Lee Millward  <>

	PR c/27953
	* c-decl.c (store_parm_decls_oldstyle): Robustify.

2006-11-30  Jan Hubicka  <>
	    Uros Bizjak  <>

	* config/i386/i386.c (pentium4_cost, nocona_cost): Update
	32bit memcpy/memset decriptors.
	(decide_alg): With -minline-all-stringops and sizes that are best
	to be copied via libcall still work hard enough to pick non-libcall

2006-12-02  Kazu Hirata  <>

	* doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.

	* builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
	config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
	config/rs6000/, config/rs6000/rs6000.c, config/sh/sh.c,
	config/sh/, config/spu/spu-builtins.def,
	config/spu/spu-c.c, config/spu/spu-modes.def,
	config/spu/spu.c, config/spu/,
	config/spu/spu_internals.h, config/spu/vmx2spu.h,
	fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
	tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
	tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
	tree-vectorizer.c, tree-vrp.c: Fix comment typos.  Follow
	spelling conventions.

	* config/i386/i386.c: Fix a comment typo.

2006-12-01  Trevor Smigiel  <>

	* config/spu/spu.c (spu_immediate): Remove trailing comma.
	(reloc_diagnostic): Call warning when -mwarn-reloc is specified.
	* config/spu/ (zero_extendhisi2): Expand instead of split for
	better optimization.
	(floatv4siv4sf2): New.
	(fix_truncv4sfv4si2): New.
	(floatunsv4siv4sf2): New.
	(fixuns_truncv4sfv4si2): New.
	(addv16qi3): New.
	(subv16qi3): New.
	(negv16qi2): New.
	(mulv8hi3): New.
	(mulsi3): Remove.
	(mul<mode>3): New.
	(_mulv4si3): New.
	(cmp<mode>): Don't accept constant arguments for DI, TI and SF.
	* config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
	spu_resolve_overloaded_builtin instead of static inline functions.

2006-12-01  Eric Botcazou  <>

	* fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
	type instead of the size of its mode to compute the highest and
	lowest possible values.  Still check the size of the mode before
	flipping the signedness of the comparison.

2006-12-01  Trevor Smigiel  <>

	* config/spu/ (spu_mov_operand): Add.
	* config/spu/spu.c (spu_expand_extv): Remove unused code.
	(print_operand_address, print_operand): Handle addresses containing AND.
	(spu_split_load, spu_split_store): Use updated movti pattern.
	* config/spu/ (_mov<mode>, _movdi, _movti): Handle loads and
	stores in mov patterns for correct operation of reload.
	(lq, lq_<mode>, stq, stq_<mode>): Remove.

2006-12-01  Volker Reichelt  <>

	PR c++/30021
	* c-common.c (check_main_parameter_types): Check for error_mark_node.

2006-12-01  Andrew MacLeod  <>

	* common.opt (ftree-combine-temps): Remove.
	* tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
	(coalesce_ssa_name): Don't check for combine-temps.
	(coalesce_vars): Remove.
	(check_replaceable): Use num_imm_uses.
	(remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
	check for combine-temps.
	(rewrite_out_of_ssa): Never create a ref_count in the var_map.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
	to register_ssa_partition calls.
	* tree-ssa-live.c (register_ssa_partition): Remove prototype.
	(init_var_map, delete_var_map): remove refernces to ref_count.
	(create_ssa_var_map): Never calculate a ref count.
	(type_var_init): Remove.
	* tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
	(create_ssa_var_map): Change Prototype to have no parameters.
	(version_ref_count): Delete.
	(register_ssa_partition): Remove 'is_use' paramater and don't set the
	ref_count vector.
	(type_var_num, type_var, type_var_first_partition,
	type_var_next_partition, type_var_dump, type_var_delete,
	type_var_remove_partition, type_var_find, type_var_compact,
	type_var_decompact): Remove.

2006-12-01  Bernd Schmidt  <>

	* config/bfin/ (pushsi_insn, popsi_insn): Set correct addrtype

2006-12-01  Richard Guenther  <>

	PR c++/29433
	* dwarf2out.c (struct pubname_struct): Make name const.
	(add_pubtype): Do not xstrdup identifiers.

2006-12-01  Bernd Schmidt  <>

	* config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
	multiword accesses are in range.

2006-12-01  Zdenek Dvorak <>

	PR tree-optimization/29921
	* tree-ssa-ccp.c (canonicalize_float_value): New function.
	(set_lattice_value): Use canonicalize_float_value.

2006-11-30  Andrew Pinski  <>

	* config/spu/spu.c (spu_builtin_range): Move from spu-c.c
	(spu_cpu_cpp_builtins): Remove.
	(spu_override_options): Don't set warn_main.
	(spu_force_reg): Move from spu-c.c.
	(spu_check_builtin_parm): Likewise.
	(expand_builtin_args): Likewise.
	(spu_expand_builtin_1): Likewise.
	(spu_expand_builtin): Likewise.
	* config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
	warn_main and targetm.resolve_overloaded_builtin.
	* config/spu/spu-c.c (spu_builtin_range): Remove.
	(spu_check_builtin_parm): Remove.
	(expand_builtin_args): Remove.
	(spu_expand_builtin_1): Remove.
	(spu_expand_builtin): Remove.
	(spu_cpu_cpp_builtins): Moved from spu.c
	(spu_force_reg): Remove.

2006-12-01  Joseph Myers  <>
	    David Edelsohn  <>

	PR target/24036
	HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
	* config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
	* rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
	Use new macros to detect modes with holes; do not look at integer
	(subreg_offset_representable_p): Check for and disallow cases
	where the modes use different numbers of bits from registers.
	* config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
	constant for soft-float.
	(rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
	containing doubles.
	(rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
	in E500 double case.
	* config/rs6000/ (movtf): Allow soft-float.
	(movtf_softfloat): New.

2006-11-30  Richard Sandiford  <>

	* simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than

2006-11-30  Andrew Macleod  <>

	* tree-ssa-live.c (create_coalesce_list): Create a hash table.
	(COALESCE_HASH_FN): New.  Define hash function.
	(partition_pair_map_hash): New.  Hash value for a partition pair.
	(partition_pair_map_eq): New.  Equality for hash pairs.
	(create_coalesce_list): Create hash table.
	(delete_coalesce_list): Free hash table.
	(find_partition_pair): Find/create pairs in hash table.
	(compare_pairs):  Sort pairs in ascending order now.
	(num_coalesce_pairs): New.  Number of pairs in hash table.
	(struct partition_pair_iterator): Iterator struct for pair table.
	(first_partition_pair): Iterator function for first pair.
	(end_partition_pair_p): Iterator function for end of iteration.
	(next_partition_pair): Iterator function for next pair.
	(FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
	(sort_coalesce_list): Sort pairs from hash table into an array.
	(pop_best_coalesce): Take pairs from the array.
	(dump_coalesce_list): Update to use hash table or sorted array.
	* tree-ssa-live.h (struct partition_pair_d): Remove next field.
	(struct coalesce_list_d): Add hash table related fields.

2006-11-30  Jan Hubicka  <>

	PR middle-end/30028
	* builtins.c (fold_builtin_memory_op): Fix typo in the check for
	memmove/bcopy->memcpy conversion.

2006-11-30  Carlos O'Donell  <>

	* doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
	Default is the largest alignment supported for 32-bit ELF and
	representable on a 32-bit host.

2006-11-30  Janis Johnson  <>

	* config/dfp-bit.c (DFP_TO_INT): Use wider precision.

2006-11-30  Jan Hubicka  <>

	* tree-ssa-operands.h (struct ssa_operands): New.
	* tree-flow-inline.h (gimple_ssa_operands): New function.
	* tree-flow.h: (struct gimple_df): Add ssa_operands.
	* Remove gt-tree-ssa-operands.h
	* tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
	(free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
	operand_memory, operand_memory_index, ops_active): Remove statics.
	(ALLOC_OPTYPE): Update.
	(operand_build_sort_virtual): Update.
	(ssa_operands_active): Update.
	(init_ssa_operands): Update.
	(fini_ssa_operands): Update.
	(ssa_operand_alloc): Update.
	(finalize_ssa_use_ops): Update.
	(finalize_ssa_v_may_def_ops): Update.
	(finalize_ssa_vuse_ops): Update.
	(finalize_ssa_v_must_def_ops): Update.

2006-11-30  Richard Guenther  <>

	* tree-vectorizer.h (vectorizable_function): Export.
	* tree-vect-transform.c (vectorizable_function): Likewise.
	* tree-vect-patterns.c (vect_recog_pow_pattern): Set
	type_in to scalar type in recognition of squaring.
	Make sure the target can vectorize sqrt in recognition
	of sqrt, set type_in to vector type in this case.

2006-11-30  Uros Bizjak  <>

	* config/i386/ (R10_REG): New constant.
	* config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
	(ix86_emit_restore_regs_using_mov): Ditto.
	(ix86_expand_call): Ditto.
	(x86_output_mi_thunk): Ditto. Also use R10_REG.

2006-11-30  Steven Bosscher  <>

	* cselib.c (cselib_init): Use special MEM rtx form for callmem.
	* alias.c (canon_true_dependence): Update comment.

2006-11-30  Steven Bosscher  <>

	* cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
	at the end of a diagnostics message.

	* alloc-pool.c (pool_free): Postpone clearing the pool entry
	until after asserting that it was allocated in the right pool.

	* cfgrtl.c (print_rtl_with_bb): Print predecessor and
	successor edge information as well.  Make output of live regs
	on exit consistent with live regs on entry.

2006-11-30  Uros Bizjak  <>

	PR target/29852
	* config/i386/ (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
	insn patterns for TARGET_80387.
	(*truncxfsf2_i387, *truncxfdf2_i387): Remove.
	(*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
	(*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
	(fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
	Generate truncxf<mode>2 insn patterns for strict SSE math.

2006-11-30  Uros Bizjak  <>

	* config/i386/ (movsf_1): Enable pattern for standard
	80387 constants before reload when optimizing for size.
	(*movdf_nointeger, *movdf_integer): Ditto.
	(*movxf_nointeger, *movxf_integer): Disable patterns for standard
	80387 constants before reload when not optimizing for size.

	(*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
	extension of XFmode input operands.

2006-11-29  Andrew Pinski  <>

	* config/spu/crt0.c (__dso_handle): Define.

2006-11-30  Kaz Kojima  <>

	* emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
	when clearing the used flags.

2006-11-29  Andrew Pinski  <>

	* config/spu/ (extend_compare): Fix whitespace formatting.

2006-11-29  Andrew Pinski  <>

	PR target/29945
	* config/spu/  (extend_compare<mode>): New pattern.
	(extend_compare): Change to expand and use the above pattern.

2006-11-29  Janis Johnson  <>

	* config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.

	* config/dfp-bit.h (CONTEXT_ROUND): Delete.
	* config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
	* Fix dependencies for dfp-bit.c.

2006-11-29  Tehila Meyzels  <>

	* haifa-sched.c: Remove define LINE_NOTE(INSN).  Remove line_note_head.
	Update documentation.
	(associate_line_notes_with_blocks): Kill.
	(extend_bb): Remove basic block argument, put void instead.
	Remove line number handling for each bb.
	(save_line_notes): Kill.
	(restore_line_notes): Kill.
	(sched_init): Remove line_note_head initialization.
	Change extend_bb call.
	(sched_finish): Remove free of line_note_head.
	(add_block): Change extend_bb call.
	* sched-ebb.c (schedule_ebb): Remove save_line_notes,
	rm_line_notes and restore_line_notes calls.
	(schedule_ebbs): Remove rm_redundant_line_notes.
	* sched-int.h (struct haifa_insn_data): Remove line_note.
	(save_line_notes): Remove declaration.
	(restore_line_notes): Remove declaration.
	* modulo-sched.c (loop_canon_p): Update debug info printing
	by using insn locators instead of line note.
	(sms_schedule): Update debug info printing, by using insn
	locators instead of line note.
	* sched-rgn.c (debug_dependencies): Remove handling of case
	n>0 (line number), since it's a dead code.
	(schedule_region): Remove save_line_notes and
	restore_line_notes calls.

2006-11-29  Joseph Myers  <>

	* config/rs6000/ (gpc_reg_operand): Check
	* config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
	SImode subregs of SPE vectors.
	* config/rs6000/ (insv): Fail for invalid E500 subregs.
	* jump.c (true_regnum): Require subregs to satisfy

2006-11-29  Daniel Berlin  <>
	    Steven Bosscher <>

	* (tree-ssanames.o): Remove gt-tree-ssanames.h,
	since it no longer exists.

2006-11-29  Duncan Sands  <>

	PR tree-optimization/23744
	* tree-vrp.c (vrp_meet): do not require ranges to intersect.

2006-11-29  Duncan Sands  <>

	PR tree-optimization/23744
	* testsuite/gcc.dg/tree-ssa/pr23744.c: new test.

2006-11-29  Duncan Sands  <>

	PR tree-optimization/23744
	* testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.

2006-11-29  Jie Zhang  <>

	* doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.

2006-11-29  J"orn Rennecke  <>

	* sh.opt (minline-ic_invalidate): New option.
	(musermode): Adjust comment.
	* sh.c (sh_initialize_trampoline): Emit library call unless
	is set; if it is set, don't emit library call if we can use icbi
	* (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
	icbi for TARGET_SH4_300.
	* t-sh (LIB1ASMFUNCS_CACHE): Set.
	* doc/invoke.texi: Document -minline-ic_invalidate; Update
	-musermode documentation.

2006-11-29  Jim Tison  <>

	__gthread_recursive_mutex_init): Define.

2006-11-29  Joseph Myers  <>

	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
	STRICT_ALIGNMENT and the type is more aligned than the saved
	registers, copy via a temporary.

2006-11-28  Andrew Pinski  <>

	PR tree-opt/29984
	* tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
	and MIN_EXRP.

2006-11-28  Bob Wilson  <>

	* config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.

2006-11-28  Jan Hubicka  <>

	Privatize SSA variables into gimple_df.
	* tree-flow-inline.h
	(gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
	gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
	gimple_nonlocal_all): New accessors.
	(first_referenced_var): Update.
	(mark_stmt_modified): Update.
	(is_call_clobbered): Update.
	(mark_call_clobbered): Update.
	(clear_call_clobbered): Update.
	(mark_non_addressable): Update.
	* tree-vrp.c (get_value_range): Update.
	* tree-into-ssa.c (in_ssa_p): Kill.
	(get_default_def_for): Update.
	(rewrite_into_ssa): Update.
	* tree-complex.c (init_parameter_lattice_values): Update.
	(update_complex_assignment): Update.
	(update_parameter_components): Update.
	(expand_complex_libcall): Update.
	(expand_complex_operations_1): Update.
	* tree-tailcall.c (arg_needs_copy_p): Update.
	(add_virtual_phis): Update.
	(tree_optimize_tail_calls_1): Update.
	* tree-ssa-dse.c (memory_ssa_name_same): Update.
	* tree-ssa-copyrename.c
	(copy_rename_partition_coalesce): Update.
	* tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
	* tree-ssa-propagate.c (set_rhs): Update.
	* tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
	addressable_vars, global_var):Kill.
	(set_initial_properties): Update.
	(init_alias_info): Update.
	(finalize_ref_all_pointers): Update.
	(setup_pointers_and_addressables): Update.
	(maybe_create_global_var): Update.
	(create_global_var): Update.
	(dump_points_to_info): Update.
	* function.h (struct gimple_df): Forward declare.
	(struct function): Add GIMPLE_DF field.
	* gimplify.c (force_gimple_operand): Update.
	* tree-dfa.c (referenced_vars, default_defs): KIll.
	(make_rename_temp): Update.
	(dump_variable): Update.
	(referenced_var_lookup): Update.
	(referenced_var_check_and_insert): Update.
	(default_def): Rename to ...
	(gimple_default_def): ... this one; accept cfun argument.
	(set_default_def): Update.
	* tree-cfgcleanup.c (modified_noreturn_calls): Kill.
	(cleanup_control_flow): Update.
	* tree-ssa-pre.c (compute_avail): Update
	* tree-ssa-live.c (calculate_live_on_entry): Update.
	* tree-ssa.c (verify_use): Update.
	(verify_call_clobbering): Update.
	(verify_call_clobbering): Update.
	(init_tree_ssa): Update.
	(delete_tree_ssa): Update.
	* tree-outof-ssa.c (coalesce_ssa_name): Update.
	(rewrite_out_of_ssa): Update.
	* tree-flow.h (gimple_df): New structure collecting dataflow variables.
	private accessors.
	(in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
	ssa_names, global_var, nonlocal_all, call_clobbered_vars,
	addressable_vars, aliases_computed_p): Kill.
	(default_def): Rename to...
	(gimple_default_def): ... this one.
	(defaule_def_fn): Kill.
	(num_referenced_vars, ssa_names, num_ssa_names): Update.
	* tree-ssa-structalias.c (nonlocal_all): Kill.
	(get_constraint_exp_from_ssa_var): Update.
	(create_nonlocal_var): Update.
	(get_constraint_for): Update.
	(update_alias_info): Update.
	(find_global_initializers): Update.
	(intra_create_variable_infos): Update.
	(find_what_p_points_to): Update.
	(init_alias_heapvars): Update.
	* tree-cfg.c (remove_bb): Update.
	(gimplify_val): Update.
	* tree-ssa-reassoc.c (get_rank): Update.
	(init_reassoc): Update.
	* tree-ssanames.c: Do not include gt-tree-ssanames.h
	(ssa_names, free_ssanames): Kill.
	(init_ssanames): Update.
	(make_ssa_name): Update.
	(release_ssa_name): Update.
	(release_defs): Update.
	(replace_ssa_name_symbol): Update.
	* tree-ssa-operands.c (access_can_touch_variable): Update.
	(add_virtual_operand): Update.
	(add_call_clobber_ops): Update.
	(add_call_read_ops): Update.
	(get_call_expr_operands): Update.
	(get_asm_expr_operands): Update.

2006-11-28  Jan Hubicka  <>

	* builtins.c: Include tree-flow.h.
	(fold_builtin_memory_op): Be more aggressive on converting memcpy to
	assignment; convert memmove to memcpy for sizes greater than 1 where
	alignment of operands prohibit the partial overlap.

2006-11-28  Jan Hubicka  <>

	* invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
	* cgraph.c (dump_cgraph_node): Dump stack usage.
	* cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
	(cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
	* cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
	* ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
	(cgraph_check_inline_limits): Limit stack growth.
	* cfgexpand.c: Include tree-inline.h.
	(account_stack_vars): New function.
	(expand_one_var): New param to just account the stack; return estimated
	(expand_used_vars_for_block): Update call of expand_one_var.
	(account_used_vars_for_block): New function.
	(estimated_stack_frame_size): Likewise.
	(init_vars_expansion, fini_vars_expansion): Break out from..
	(expand_used_vars): ... here.
	* tree-inline.h (estimated_stack_frame_size): Declare.

2006-11-28  Richard Guenther  <>

	* ggc-page.c (ggc_print_statistics): Use %ul and a cast to
	unsigned long for printing OBJECT_SIZE.

2006-11-27  Steven Bosscher  <>

	* alias.c (init_alias_analysis): Remove simplification loop
	after propagating pointers.

2006-11-27  Uros Bizjak  <>

	* config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
	and m_GENERIC64.

2006-11-27  Bob Wilson  <>

	* config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.

2006-11-27  Roger Sayle  <>
	    Manuel Lopez-Ibanez <>

	* c-common.c (constant_fits_type_p): Delete.
	(unsigned_conversion_warning): Delete.
	(conversion_warning): Integrate Wconversion warning from
	(convert_and_check): Integrate Woverflow warning from
	unsigned_conversion_warning.  Reorganize and simplify to avoid
	dependence upon the middle-end setting TREE_OVERFLOW on integral
	conversions, by using int_fits_type_p directly.

2006-11-27  Tobias Burnus  <>

	* doc/invoke.texi: Fixed typo.

2006-11-27  Michael Matz  <>
	    Andreas Krebbel  <>

	PR target/29319
	* config/s390/ (larl_operand): Check addend of larl
	operand to be in range of -/+2GB.
	* config/s390/s390.c (legitimize_pic_address): Likewise.
	Changed type of variable even to HOST_WIDE_INT.

2006-11-27  Jan Hubicka  <>

	* expr.c (emit_block_move_via_libcall): Export.
	(clear_storage_via_libcall): Rename to ...
	(set_storage_via_libcall): ... this one; handle arbitrary value to set.
	(clear_storage): Update to set_storage_via_libcall.
	* expr.h (emit_block_move_via_libcall): Declare
	* config/i386/i386.h (stringop_alg): New enum.
	(MAX_STRINGOP_ALGS): New constant.
	(stringop_algs): New struct.
	(processor_costs): Add memcpy/memset descriptors.
	* config/i386/ (movsi_insv_1_rex64): New pattern.
	(strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
	for memset.
	* config/i386/i386.opt (minline-stringops-dynamically,
	mstringop-strategy): New
	* config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
	(ix86_expand-clrmem): Rename to ...
	(ix86_expand_setmem): ... this one; update prototype.
	* config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
	(size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
	geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
	nocona_cost, core2_cost, generic_cost, generic64_cost,
	generic32_cost): Add memcpy/memset descriptors.
	(x86_rep_movl_optimal): Remove.
	(stringop_alg): New static variable.
	(ix86_expand_aligntest): Handle predictions.
	(override_options): Add strgop_alg handling.
	(predict_jump): New function.
	(scale_counter): New function.
	(expand_set_or_movmem_via_loop): New function.
	(expand_movmem_via_rep_mov): New function.
	(expand_setmem_via_rep_stots): New function.
	(emit_strmov): New function.
	(expand_movmem_epilogue): New function.
	(expand_setmem_epilogue_via_loop): New function.
	(expand_setmem_epilogue): New function.
	(expand_movmem_prologue): New function.
	(expand_setmem_prologue): New function.
	(decide_alg): New function.
	(decide_alignment): New function.
	(ix86_exand_movmem): Rewrite.
	(promote_duplicated_reg): New function.
	(ix86_expand_clrmem): Rename to ...
	(ix86_expand_setmem): ... this one. Rewrite.

	* invoke.texi (minline-stringops-dynamically): New command line option.
	(mstringop-strategy): Likewise.

2006-11-27  Jan Hubicka  <>

	* cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
	* rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
	* final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
	* insn-notes.def (FUNCTION_END): Remove.
	* jump.c (delete_related_insns): Don't worry about FUNCTION_END.
	(redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
	* ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
	* function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
	* cfglayout.c (duplicate_insn_chain): Don't worry about

2006-11-27  Richard Guenther  <>
	    Zdenek Dvorak <>

	* target.h (struct gcc_target): Add builtin_vectorized_function
	target hook.
	* target-def.h (TARGET_VECTORIZE): Likewise.
	Document new target hook.
	* targhooks.h (default_builtin_vectorized_function): Declare.
	* targhooks.c (default_builtin_vectorized_function): Define.
	* tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
	(vectorizable_call): Declare.
	* tree-vect-analyze.c (vect_analyze_operations): Call
	* tree-vect-transform.c (vectorizable_function): New static function.
	(build_vectorized_function_call): Likewise.
	(vectorizable_call): New function.
	(vect_transform_stmt): Handle vectorizable calls.

2006-11-27  Richard Guenther  <>

	PR middle-end/25620
	* builtins.c (expand_builtin_pow): Optimize non integer valued
	constant exponents using sqrt or cbrt if possible.  Always fall back
	to expanding via optabs.

2006-11-27  Ira Rosen  <>

	PR tree-optimization/22372
	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
	the type of the base address.
	(vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
	it in the data-ref pointer creation.
	(vect_init_vector): Add an argument, type of the init vector. Use it in
	the stmt creation.
	(vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
	(get_initial_def_for_reduction): Likewise.
	(vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
	(vectorizable_assignment, vect_permute_store_chain): Likewise.
	(vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
	correct type in stmt creation.
	(vect_setup_realignment): Use the correct type in stmt creation.
	(vect_permute_load_chain): Change type of MODIFY_EXPR to
	(vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
	of MODIFY_EXPR to void_type_node.
	(vectorizable_condition): Change type of MODIFY_EXPR to
	(vect_update_ivs_after_vectorizer): Use the correct type in stmt

2006-11-27  Uros Bizjak  <>

	2006-05-08  Uros Bizjak  <>
	* config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
	standard 80387 constants, raise the cost to prevent
	compress_float_constant() to generate load from memory.

	* config/i386/ Add new splitter pattern to split
	float_extended load of constant from constant pool into
	pure constant load.

2006-11-26  Kaveh R. Ghazi  <>

	* doc/install.texi: Move GMP/MPFR configure options from Fortran
	section to general section.  Remove documentation for
	--with-mpfr-dir and --with-gmp-dir, add documentation for
	--with-mpfr-include, --with-mpfr-lib, --with-gmp-include and

	* builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.

2006-11-26  Razya Ladklesky  <>

	* testsuite/gcc.dg/ipa/ipa-6.c: New.

2006-11-26  Razya Ladklesky  <>

	PR tree-optimization/29122
	* tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
	for the new version.  Assign NULL to DECL_RTL of the new version.

2006-11-25  Uros Bizjak  <>

	* reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.

2006-11-25  Steven Bosscher  <>

	* cse.c (cse_altered): Remove.
	(record_jump_equiv): Make true/false argument a bool instead
	of an int.
	(cse_insn): Don't set cse_altered.  Use delete_insn_and_edges
	where appropriate.  Emit a new jump before the existing one
	instead of after so that delete_insn_and_edges removes the
	dead edges properly.  Check any_condjump_p before calling
	(cse_basic_block): Check any_condjump_p before calling
	(cse_main): Don't set/check cse_altered.  Remove USE_C_ALLOCA.

2006-11-25  Brooks Moses  <>

	* c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
	-ffixed-line-length-* options.

2006-11-25  Uros Bizjak  <>

	* config/i386/ (fpremxf4): Rename to fpremxf4_i387.
	(fprem1xf4): Rename to fprem1xf4_i387.

	(fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
	Rename patterns to fmod<mode>3.  Use general_operand operand
	constraint for operands 1 and 2.  Use SSE_FLOAT_MODE_P to disable
	patterns for SSE math.
	(remaindersf3, remainderdf3): Ditto.

2006-11-25  Joseph Myers  <>

	* function.c (instantiate_virtual_regs_in_insn): Call force_reg
	inside start_sequence / end_sequence pair.

2006-11-25  Steven Bosscher  <>

	* jump.c (mark_all_labels): Work in cfglayout mode.
	* cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
	when in cfglayout mode, because there are no dead jumptables
	* cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
	in cfglayout mode.
	(commit_edge_insertions): Do not allow insertion of instructions
	with control flow insns when in cfglayout mode.

2006-11-25  Zdenek Dvorak <>

	* tree-vrp.c (execute_vrp): Do not pass loops structure through
	* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
	unswitch_loop): Ditto.
	* tree-loop-linear.c (linear_transform_loops): Ditto.
	* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
	tree_ssa_lim): Ditto.
	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
	free_numbers_of_iterations_estimates): Ditto.
	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
	tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
	* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
	remove_path, add_loop, loopify, unloop, fix_loop_placements,
	place_new_loop, duplicate_loop, duplicate_subloops,
	update_single_exit_for_duplicated_loops, copy_loops_to,
	duplicate_loop_to_header_edge, create_preheaders,
	force_single_succ_latches, loop_version, fix_loop_structure):
	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
	tree_unroll_loop): Ditto.
	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
	* tree-scalar-evolution.c (select_loops_exit_conditions,
	scev_initialize, scev_analysis): Ditto.
	* tree-scalar-evolution.h (scev_initialize): Ditto.
	* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
	* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
	* modulo-sched.c (sms_schedule): Ditto.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
	* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
	rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
	* ifcvt.c (if_convert): Ditto.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
	tree_unroll_loops_completely, remove_empty_loops): Ditto.
	* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
	tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
	tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
	tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
	tree_ssa_loop_done): Ditto.
	* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
	estimate_bb_frequencies): Ditto.
	* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
	slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
	* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
	decide_unrolling_and_peeling, peel_loop_completely,
	unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
	peel_loop_simple, unroll_loop_stupid): Ditto.
	* loop-doloop.c (doloop_optimize_loops): Ditto.
	* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
	* loop-invariant.c (move_loop_invariants): Ditto.
	* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
	* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
	tree_ssa_prefetch_arrays): Ditto.
	* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
	* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
	vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
	* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
	mark_single_exit_loops, cancel_loop, cancel_loop_tree,
	verify_loop_structure): Ditto.
	* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
	canonicalize_induction_variables, tree_unroll_loops_completely,
	tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
	estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
	tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
	tree_unroll_loop, linear_transform_loops): Declaration changed.
	* basic-block.h: Remove declaration of struct loops.
	* cfghooks.h (struct cfg_hooks): Change type of
	(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
	* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
	vect_transform_loop): Declaration changed.
	* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
	* cfgloop.h (flow_loops_dump, fix_loop_structure,
	mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
	cancel_loop_tree, create_preheaders, force_single_succ_latches,
	verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
	loopify, loop_version, remove_path, unswitch_loops,
	unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
	Declaration changed.

2006-11-24  Uros Bizjak  <>

	* config/i386/ (UNSPEC_TRUNC_NOOP): New unspec definition.
	(X87MODEF): New mode macro.
	(ssemodefsuffix): New mode attribute.
	(truncxf<mode>2_i387_noop_unspec): New insn pattern.
	(sqrt_extend<mode>xf2_i387): New insn pattern.
	(sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
	insn and truncate result back to original mode using
	UNSPEC_TRUNC_NOOP truncation.
	(*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
	ssemodefsuffix mode attribute.
	(*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
	(*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
	(*sqrtextenddfxf2_i387): Remove insn patterns.

	(fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
	truncation patterns.

	* reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.

2006-11-24  Jakub Jelinek  <>

	PR c/29955
	* c-tree.h (c_maybe_initialize_eh): New prototype.
	* c-decl.c (finish_decl): Move EH initialization...
	(c_maybe_initialize_eh): ... here.  New function.
	* c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
	if not #pragma omp atomic.

	PR c/29736
	* c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
	or UNION_TYPE inner types.

2006-11-24  Andrew Pinski  <>

	PR tree-opt/29964
	* ipa-pure-const.c (check_tree): If the original tree
	is volatile return early and say the function is not pure
	nor const.  Remove the volatile check for writes.
	(analyze_function): Print out the result of the local
	analysis pass.

2006-11-24  Joseph Myers  <>

	* config/rs6000/eabispe.h (TARGET_DEFAULT): Include
	* config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
	* config/rs6000/rs6000.c (rs6000_override_options): Use
	MASK_STRICT_ALIGN for 8540 and 8548.  Add MASK_STRICT_ALIGN to

2006-11-24  Andreas Krebbel  <>

	* config/s390.c (s390_emit_compare_and_swap): New function.
	(s390_expand_cs_hqi, s390_expand_atomic): Call

2006-11-23  John David Anglin  <>

	* pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.

2006-11-24  Manuel Lopez-Ibanez <>

	PR c/2707
	PR c++/26167
	* c-common.c (conversion_warning): New.
	(convert_and_check): Call conversion_warning unless there is an
	overflow warning.
	* doc/invoke.texi (-Wconversion): Update description.

2006-11-23  Daniel Berlin  <>

	* tree-ssa-alias.c (tree_pointer_compare): New function.
	(compact_name_tags): New function.
	(group_aliases): Call compact_name_tags.

2006-11-23  Manuel Lopez-Ibanez  <>

	* real.h (real_isinteger): Declare.
	* real.c (real_isinteger): Define.
	* builtins.c (integer_valued_real_p): Use it.

2006-11-23  Manuel Lopez-Ibanez  <>

	PR c/9072
	* c.opt (Wtraditional-conversion): New.
	(Wconversion): Update description.
	* c-typeck.c (convert_arguments): Warnings for prototypes causing
	type conversions different from what would happen in the absence
	of prototype are now handled by Wtraditional-conversion.
	* doc/invoke.texi (Wtraditional-conversion): New.
	(Wconversion): Update description.
	* doc/trouble.texi (Wconversion): Replace Wconversion by

2006-11-23  Andrew Pinski  <>

	* predict.c (tree_estimate_probability): Check to make
	sure current_loops is non null before calling flow_loops_dump.

2006-11-23  Bernd Schmidt  <>

	* var-tracking.c (emit_note_insn_var_location): Revert previous patch.

2006-11-23  David Ung  <>

	* config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
	(ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
	(ASM_SPEC): Pass along -mfp32 and -mfp64.
	* config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
	high part of FP register when in 64-bit FP register mode.  Similarly
	use gen_mfhc1 to load high part of FP register.
	(override_options): Allow -mgp32 and -mfp64 combination if
	ISA_HAS_MXHC1 (currently for O32 only).
	(mips_cannot_change_mode_class): If floating-point registers are
	bigger than word size. disallow conversion of float register from a
	large integer mode to a float mode smaller than the float register
	(mips_class_max_nregs): Handle float registers case seperately.
	* config/mips/ (define_constants): Add UNSPEC_MFHC1,
	(movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
	(movdf_hardfloat_32bit): Similarly.
	(movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
	support a full 64-bit fpu.
	(mthc1): New pattern to generate MTHC1 instruction.
	(mfhc1): New pattern to generate MFHC1 instruction.
	* doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
	option for the MIPS32R2 and mention its use under O32 ABI.

2006-11-23  Bernd Schmidt  <>

	* var-tracking.c (emit_note_insn_var_location): Take care not to
	cause verify_flow_info failures.

2006-11-22  Daniel Berlin  <>

	* tree-ssa-structalias.c: Remove edge weights in favor of just
	processing them as complex constraints.
	(struct constraint_graph): Remove weighted succs and preds. Rename
	nonweighted succs and preds.
	(constraint_edge): Removed.
	(constraint_edge_t): Ditto.
	(constraint_edge_pool): Ditto.
	(new_constraint_edge): Ditto.
	(constraint_edge_equal): Ditto.
	(constraint_edge_less): Ditto.
	(constraint_edge_vec_find): Ditto.
	(erase_self_graph_edge): Ditto.
	(add_graph_edge): Removed.
	(get_graph_weights): Ditto.
	(allocate_graph_weights): Ditto.
	(valid_weighted_graph_edge): Ditto
	(bitmap_other_than_zero_bit_set): Ditto.
	(int_add_graph_edge): Renamed to add_graph_edge.
	(clear_edges_for_node): Remove support for weighted edges.
	(merge_graph_nodes): Ditto.
	(valid_graph_edge): Ditto.
	(build_constraint_graph): Ditto.
	(scc_visit): Ditto.
	(collapse_nodes): Ditto.
	(process_unification_queue): Ditto.
	(topo_visit): Ditto.
	(do_ds_constraint): Ditto.
	(perform_var_subsitution): Ditto.
	(solve_graph): Ditto.
	(init_alias_vars): Ditto.
	(delete_points_to_sets): Ditto.
	(do_complex_constraint): Support offsetted copies here.

2006-11-23  Ulrich Weigand  <>

	* config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
	* config/spu/spu_mfcio.h (spu_read_event_mask): Update.

	* config/spu/spu_mfcio.h (struct mfc_list_element): Change width
	of size bitfield.

2006-11-23  Ben Elliston  <>

	* config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.

2006-11-23  Zdenek Dvorak <>

	PR tree-optimization/29921
	* fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
	signed and unsigned zero equal.

2006-11-22  Peter Bergner  <>

	* config/rs6000/rs6000.c (get_store_dest): New.
	(adjacent_mem_locations): Use get_store_dest() to get
	the rtl of the store destination.

2006-11-22  Joseph Myers  <>

	* config/rs6000/ (SPE64): New mode macro.
	(mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0.  Add
	memory load.
	(mov_si<mode>_e500_subreg0_2): New.
	(mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4.  Add
	memory load.
	(mov_si<mode>_e500_subreg4_2): New.
	* config/rs6000/ (input_operand): Do not allow
	invalid E500 subregs.
	(rs6000_nonimmediate_operand): Check for invalid E500 subregs also
	* config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
	involving DFmode if TARGET_E500_DOUBLE.  Check for subregs
	involving vector modes if TARGET_SPE.

2006-11-22  Kaz Kojima  <>

	2006-11-12  Kaz Kojima  <>
	* reorg.c (emit_delay_sequence): Copy the delay slot insn.

2006-11-22  Bernd Schmidt  <>

	* config/bfin/ (d_register_operand, mem_p_address_operand,
	mem_i_address_operand): New predicates.
	* config/bfin/bfin.c (bfin_issue_rate): New function.
	* config/bfin/ (addrtype): New attribute.
	(slot0, slot1, slot2, store, pregs): New cpu_units.
	(core): Now a define_reservation.
	(alu): Remove some insn types from this reservation.
	(dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
	insn reservations.
	(dummy reservation): Don't trigger for mcld insns.
	(absence_sets): Two new absence sets to enforce slot ordering.
	(popsi_insn): Set addrtype.

2006-11-22  Ira Rosen  <>

	* doc/c-tree.texi: Document new tree codes.
	* doc/md.texi: Document new optabs.
	* tree-pretty-print.c (dump_generic_node): Handle print of new tree
	* optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
	* optabs.h (optab_index): Add new.
	(vec_extract_even_optab, vec_extract_odd_optab,
	vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
	* genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
	vec_interleave_high_optab, vec_interleave_low_optab): Initialize
	new optabs.
	* expr.c (expand_expr_real_1): Add implementation for new tree codes.
	* tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
	* tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
	along with macros for their access.
	* tree-data-ref.h (first_location_in_loop, data_reference): Update
	* tree-vect-analyze.c (toplev.h): Include.
	(vect_determine_vectorization_factor): Fix indentation.
	vect_update_interleaving_chain, vect_equal_offsets): New functions.
	(vect_analyze_data_ref_dependence): Add argument for interleaving
	check. Check for interleaving if it's true.
	(vect_check_dependences): New function.
	(vect_analyze_data_ref_dependences): Call vect_check_dependences for
	every ddr. Call vect_analyze_data_ref_dependence with new argument.
	(vect_update_misalignment_for_peel): Update for interleaving.
	(vect_verify_datarefs_alignment): Check only first data-ref for
	(vect_enhance_data_refs_alignment): Update for interleaving. Check
	only first data-ref for interleaving.
	(vect_analyze_data_ref_access): Check interleaving, update
	interleaving data.
	(vect_analyze_data_refs): Call compute_data_dependences_for_loop
	with different parameters.
	* tree-inline.c (estimate_num_insns_1): Add cases for new codes.
	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
	Update step in case of interleaving.
	(vect_strided_store_supported, vect_permute_store_chain): New
	(vectorizable_store): Handle strided stores.
	(vect_strided_load_supported, vect_permute_load_chain,
	vect_transform_strided_load): New functions.
	(vectorizable_load): Handle strided loads.
	(vect_transform_stmt): Add argument. Handle strided stores. Check
	that vectorized stmt exists for patterns.
	(vect_gen_niters_for_prolog_loop): Update calculation for
	(vect_transform_loop): Remove stmt_vec_info for strided stores after
	whole chain vectorization.
	(vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
	vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
	vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.

2006-11-22  Steven Bosscher  <>

	* cse.c (enum taken): Remove PATH_AROUND.
	(addr_affects_sp_p, invalidate_skipped_set,
	invalidate_skipped_block): Remove.
	(cse_end_of_basic_block): Remove skip_blocks and related code.
	(cse_main): Don't test for flag_cse_skip_blocks.
	Update cse_end_of_basic_block call.
	(cse_basic_block): Likewise.  Remove PATH_AROUND case.  Remove
	code to lengthen the path if a jump was simplified.

2006-11-22  Zdenek Dvorak <>

	PR rtl-optimization/29924
	* loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
	(unroll_loop_runtime_iterations): Assert that the argument passed to
	split_edge_and_insert is not NULL.
	* loop-doloop.c (add_test): Ditto.

2006-11-22  Zdenek Dvorak <>

	* tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
	* tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
	* cfgloopmanip.c (update_single_exits_after_duplication,
	update_single_exit_for_duplicated_loop, loop_version): Ditto.
	* tree-scalar-evolution.c (get_loop_exit_condition,
	get_exit_conditions_rec, loop_closed_phi_def,
	number_of_iterations_in_loop, scev_const_prop): Ditto.
	* tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
	* modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
	* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
	slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
	slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
	slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
	* tree-if-conv.c (if_convertible_loop_p): Ditto.
	* tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
	vect_analyze_loop_form): Ditto.
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
	can_convert_to_perfect_nest, perfect_nestify): Ditto.
	* tree-vect-transform.c (vect_create_epilog_for_reduction,
	vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
	vect_transform_loop): Ditto.
	* cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
	(single_exit, set_single_exit): New functions.
	* cfgloop.h (struct loop): Rename single_exit field to single_exit_.
	(single_exit, set_single_exit): Declare.
	* doc/loop.texi: Undocument single_exit field.  Document single_exit
	accessor function.

2006-11-22  Zdenek Dvorak <>

	PR tree-optimization/29902
	* tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
	any involved ssa name appears in abnormal phi node.

2006-11-21  Bob Wilson  <>

	* config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
	(xtensa_const_ok_for_letter_p): Delete.
	(xtensa_extra_constraint): Delete.
	(override_options): Delete xtensa_char_to_class initialization.
	* config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
	* config/xtensa/ Include
	(call_internal): Combine alternatives.
	(call_value_internal): Likewise, and remove invalid constraints.
	* config/xtensa/ New file.
	* config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
	(xtensa_extra_constraint): Delete.
	* doc/md.texi (Machine Constraints): Refer to for
	Xtensa constraints.

2006-11-21  Janis Johnson  <>

	* config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
	of conversion that doesn't fit.

	* config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
	* config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,

	* config/dfp-bit.c (dfp_binary_func): Fix typedef.

2006-11-21  Douglas Gregor <>

	* c-common.h (enum rid): Add RID_STATIC_ASSERT.

2006-11-21  Richard Guenther  <>

	* tree-vectorizer.h (NUM_PATTERNS): Increase.
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
	(vect_recog_pow_pattern): New function.

2006-11-21  Bernd Schmidt  <>

	* config/bfin/bfin.opt (mstack-check-l1): New.
	* doc/invoke.texi (Blackfin Options): Document it.
	* config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
	stack bounds in L1 memory if the new option is enabled.
	(override_options): Don't allow combinations of -fstack-limit and
	(add_to_reg): Renamed from add_to_sp.  All callers changed.  Lose some
	dead code.

	* config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
	regs for DImode.
	(bfin_register_move_cost): Bump costs if trying to move plain
	integer values through accumulators.

2006-11-21  Ben Elliston  <>

	* config/spu/spu.c (spu_expand_vector_init): Initialise x.

2006-11-20  Trevor Smigiel <>
	    Russell Olsen <>
	    Dmitri Makarov <>
	    Yukishige Shibata <>
	    Nobuhisa Fujinami <>
	    Takeaki Fukuoka <>
	    Andrew Pinski <>

	* config.gcc: Add target for SPU.
	* config/spu/ New file.
	* config/spu/crt0.c: New file.
	* config/spu/crtend.c: New file.
	* config/spu/crti.asm: New file.
	* config/spu/crtn.asm: New file.
	* config/spu/float_unsdidf.c: New file.
	* config/spu/float_unssidf.c: New file.
	* config/spu/ New file.
	* config/spu/spu-builtins.def: New file.
	* config/spu/spu-builtins.h: New file.
	* config/spu/ New file.
	* config/spu/spu-c.c: New file.
	* config/spu/spu-elf.h: New file.
	* config/spu/spu-modes.def: New file.
	* config/spu/spu-protos.h: New file.
	* config/spu/spu.c: New file.
	* config/spu/spu.h: New file.
	* config/spu/ New file.
	* config/spu/spu.opt: New file.
	* config/spu/spu_internals.h: New file.
	* config/spu/spu_intrinsics.h: New file.
	* config/spu/spu_mfcio.h: New file.
	* config/spu/t-spu-elf: New file.
	* config/spu/vec_types.h: New file.
	* config/spu/vmx2spu.h: New file.
	* doc/contrib.texi: Document SPU contributor.
	* doc/extend.texi: Document SPU extensions.
	* doc/invoke.texi: Document SPU options.
	* doc/md.texi: Document SPU constraints.

2006-11-21  Zdenek Dvorak <>

	* cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
	of the loop.
	* cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
	(flow_loop_dump): Do not dump loop level.
	(flow_loops_find): Do not call flow_loops_level_compute.
	* cfgloop.h (struct loop): Remove level field.

2006-11-21  Zdenek Dvorak <>

	* tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
	hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
	Use vector of edges instead of array.
	* tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
	estimate_numbers_of_iterations_loop): Ditto.
	* predict.c (predict_loops): Ditto.
	* loop-unroll.c (analyze_insns_in_loop): Ditto.
	* tree-ssa-threadupdate.c: Remove declaration of heap allocation for
	edge vectors.
	* basic-block.h: Declare heap allocation for edge vectors.
	* tree-outof-ssa.c: Ditto.
	* cfgloop.c (get_loop_exit_edges): Return vector of edges.
	* cfgloop.h (get_loop_exit_edges): Declaration changed.

2006-11-20  Zack Weinberg  <>

	* gengtype.c (process_gc_options): Remove unnecessary forward decl.
	Add another out parameter, "skip".
	(set_gc_used_type): Adjust calls to process_gc_options.  If a field
	is tagged "skip", do not mark its type used.

2006-11-20  Andrew Pinski  <>

	PR tree-opt/25500
	* tree-sra.c (single_scalar_field_in_record_p): New function.
	(decide_block_copy): Use it.

2006-11-20  David Daney  <>

	* config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
	PC to point to following instruction.

2006-11-20  Anatoly Sokolov <>

	PR target/18553
	PR target/29449
	* config/avr/avr.h (OBJECT_FORMAT_ELF): Define.

	* config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.

2006-11-20  J"orn Rennecke  <>

	* config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
	Add sh/superh.h to tm_file.

2006-11-20  Carlos O'Donell  <>
	    Mark Mitchell  <>

	* cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
	(cpp_relocated): New function.
	* cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
	and cpp_relocated.
	* c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
	replace configured prefix with gcc_exec_prefix.

2006-11-20  Bernd Schmidt  <>

	* config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
	* config/bfin/ (movsi expander): Check return value of
	* config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
	(expand_move): Adjust prototype.
	* config/bfin/bfin.c (expand_move): Now returns bool.  Handle
	invalid constants specially.
	(bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New

	* config/bfin/ (call_symbol, call_value_symbol, sibcall_symbol,
	sibcall_value_symbol): Allow these patterns if
	* config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
	(override_options): Turn on id shared library flags if -msep-data,
	but disallow the combination of these options on the command line.
	(DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
	(TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
	* doc/invoke.texi (Blackfin Options): Document new switches.

	* config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
	edge cases with local functions and TARGET_ID_SHARED_LIBRARY.

	* tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
	inflate costs for addresses with an out-of-bounds address.

2006-11-19  Andrew Pinski  <>

	PR rtl-opt/29879
	* fwprop.c (loops): Remove.
	(forward_propagate_into): Use current_loops instead of
	(fwprop_init): Call loop_optimizer_init instead of
	(fwprop_done): Call loop_optimizer_finalize instead of
	(fwprop): Use current_loops instead of loops.

2006-11-19  Gabriel Dos Reis  <>

	PR c++/8586
	* c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.

2006-11-19  John David Anglin  <>

	PR target/29114
	* pa.c (emit_move_sequence): Don't split constants with PLUS for modes
	larger than BITS_PER_WORD.

2006-11-18  John David Anglin  <>

	PR fortran/27885
	PR middle-end/28176
	* stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types

2006-11-18  Kaveh R. Ghazi  <>

	* builtins.c (integer_valued_real_p): Handle fmin/fmax.
	(fold_builtin_fmin_fmax): New.
	(fold_builtin_1): Use it.

	* fold-const.c (fold_strip_sign_ops): Handle copysign.

2006-11-18  Richard Guenther  <>

	* config/i386/i386.c (ix86_builtins): New array for ix86
	builtin function decls.
	(def_builtin): New function.
	(def_builtin_const): Likewise.
	(ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.

2006-11-18  Vladimir Makarov  <>

	* doc/invoke.texi (core2): Add item.

	* config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
	(TARGET_CPU_CPP_BUILTINS): Add code for core2.
	(TARGET_CPU_DEFAULT_generic): Change value.
	(processor_type): Add new constant PROCESSOR_CORE2.

	* config/i386/ (cpu): Add core2.

	* config/i386/i386.c (core2_cost): New initialized variable.
	(m_CORE2): New macro.
	(x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
	x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
	x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
	x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
	x86_partial_reg_dependency, x86_memory_mismatch_stall,
	x86_accumulate_outgoing_args, x86_prologue_using_move,
	x86_epilogue_using_move, x86_arch_always_fancy_math_387,
	x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
	x86_use_incdec, x86_four_jump_limit, x86_schedule,
	x86_pad_returns): Add m_CORE2.
	(override_options): Add entries for Core2.
	(ix86_issue_rate): Add case for Core2.

2006-11-18  Aldy Hernandez  <>

	* doc/invoke.texi: Fix mno-isel typo.

2006-11-18  Joseph Myers  <>

	* config/rs6000/ (movv4hi_internal): Add alternative for
	easy vector constant loads.

2006-11-18  Joseph Myers  <>

	* config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	* config/rs6000/ (lwsync): Emit plain sync if

2006-11-17  DJ Delorie  <>

	* reload1.c (reloads_unique_chain): New.
	(reloads_conflict): Call it.

2006-11-17  Bob Wilson  <>

	* config/xtensa/ (addsubx_operand): New.
	* config/xtensa/xtensa.c (xtensa_emit_branch): New.
	(xtensa_emit_bit_branch): New.
	(xtensa_emit_movcc): New.
	* config/xtensa/ (any_minmax): New code macro.
	(minmax): New code attribute.
	(any_cond, any_scc, any_scc_sf): New code macros.
	(*addx2, *addx4, *addx8): Delete.
	(*addx): New.
	(*subx2, *subx4, *subx8): Delete.
	(*subx): New.
	(sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
	(beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
	(*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
	(*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
	(seq, sne, sgt, sge, slt, sle): Use any_scc macro.
	(movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
	(movsfcc_internal0, movsfcc_internal1): Likewise.
	(seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
	* config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
	(xtensa_emit_bit_branch): New.
	(xtensa_emit_movcc): New.
	(function_arg_boundary): Add missing prototype.

2006-11-17  Bob Wilson  <>

	* config/xtensa/ (tstsi): Delete

2006-11-17  Bob Wilson  <>

	* config/xtensa/ (entry): Do not emit .frame directive.

2006-11-17  Bob Wilson  <>

	* config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2006-11-17  Bob Wilson  <>

	* config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.

2006-11-17  Zdenek Dvorak <>

	* tree-vrp.c (execute_vrp): Do not update current_loops.
	* loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
	* doc/loop.texi: Remove documentation for cancelled functions.
	* tree-ssa-loop-im.c (loop_commit_inserts): Removed.
	(move_computations, determine_lsm): Use bsi_commit_edge_inserts
	* cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
	(remove_path): Ensure that in delete_basic_blocks, the loops
	are still allocated.
	(add_loop): Work on valid loop structures.
	(loopify): Modify call of add_loop.
	(mfb_update_loops): Removed.
	(create_preheader): Do not update loops explicitly.
	(force_single_succ_latches, loop_version): Do not use
	(loop_split_edge_with): Removed.
	* tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
	Do not use bsi_insert_on_edge_immediate_loop.
	(split_loop_exit_edge, tree_unroll_loop): Do not use
	(bsi_insert_on_edge_immediate_loop): Removed.
	* tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops.  Do not
	use loop_split_edge_with.
	* cfghooks.c: Include cfgloop.h.
	(verify_flow_info): Verify that loop_father is filled iff current_loops
	are available.
	(redirect_edge_and_branch_force, split_block, delete_basic_block,
	split_edge, merge_blocks, make_forwarder_block, duplicate_block):
	Update cfg.
	* cfgloopanal.c (mark_irreducible_loops): Work if the function contains
	no loops.
	* modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
	(sms_schedule): Use current_loops.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
	* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
	(rtl_loop_init, rtl_loop_done): Do not set current_loops.
	* tree-ssa-sink.c (execute_sink_code): Use current_loops.
	* ifcvt.c (if_convert): Ditto.
	* predict.c (predict_loops): Do not clear current_loops.
	(tree_estimate_probability): Use current_loops.
	(propagate_freq): Receive head of the region to propagate instead of
	(estimate_loops_at_level): Do not use shared to_visit bitmap.
	(estimate_loops): New function.  Handle case current_loops == NULL.
	(estimate_bb_frequencies): Do not allocate tovisit.  Use
	* tree-ssa-loop.c (current_loops): Removed.
	(tree_loop_optimizer_init): Do not return loops.
	(tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
	* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
	slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
	Do not update loops explicitly.
	* function.h (struct function): Add x_current_loops field.
	(current_loops): New macro.
	* tree-if-conv.c (combine_blocks): Do not update loops explicitly.
	* loop-unroll.c (split_edge_and_insert): New function.
	(unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
	use loop_split_edge_with.
	* loop-doloop.c (add_test, doloop_modify): Ditto.
	* tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
	* cfglayout.c (copy_bbs): Do not update loops explicitly.
	* lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
	* tree-vect-transform.c (vect_transform_loop): Do not update loops
	* cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
	(flow_loops_free): Do not free dfs_order and rc_order.
	(flow_loops_find): Do not set dfs_order and rc_order in loops
	structure.  Do not call loops and flow info verification.
	(add_bb_to_loop, remove_bb_from_loops): Check whether the block
	already belongs to some loop.
	* cfgloop.h (struct loops): Remove struct cfg.
	(current_loops, loop_split_edge_with): Declaration removed.
	(loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
	* tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
	Declaration removed.
	* (cfghooks.o): Add CFGLOOP_H dependency.
	* basic-block.h (split_edge_and_insert): Declare.
	* tree-cfg.c (remove_bb): Do not update loops explicitly.

2006-11-17  Zdenek Dvorak <>

	PR tree-optimization/29801
	* tree-ssa-ccp.c (get_symbol_constant_value): New function.
	(get_default_value): Use get_symbol_constant_value.
	(set_lattice_value): ICE when the value of the constant is
	(visit_assignment): Ignore VDEFs of read-only variables.

2006-11-17  Zdenek Dvorak <>

	* tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
	(vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
	vect_gen_niters_for_prolog_loop): Fold the emited expressions.

2006-11-17  Zdenek Dvorak <>

	* tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
	select subvars of var.

2006-11-17  Jakub Jelinek  <>

	PR middle-end/29584
	* tree-ssa-forwprop.c (simplify_switch_expr): Don't
	optimize if DEF doesn't have integral type.

2006-11-16  Mike Stump  <>

	* config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
	pre-darwin9 system, unless the user asks for it directly.
	* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
	* config.gcc: Add suppport for darwin9.h.
	* config/darwin9.h: Add.
	* doc/install.texi (Specific): Clarify darwin documentation.

2006-11-16  Richard Earnshaw  <>

	* arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
	optimizing for size.

2006-11-16  Mike Stump  <>

	* (targhooks.o): Add $(OPTABS_H).

2006-11-16  Dirk Mueller  <>

	* tree-vrp.c (get_value_range): Use XCNEW instead
	of XNEW and memset.
	(insert_range_assertions): Use XCNEWVEC instead
	of XNEWVEC and memset.
	(vrp_initialize): Same.
	(vrp_finalize): Same.
	* tree-ssa-ccp.c (ccp_initialize): Same.
	* predict.c (tree_bb_level_predictions): Same.
	* calls.c (expand_call): Same.
	* tree-ssa-copy.c (init_copy_prop): Same.
	(fini_copy_prop): Same.
	* tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
	of GGC_NEW and memset.

2006-11-16  Eric Botcazou  <>

	PR middle-end/26306
	* gimplify.c (gimplify_expr): Only force a load for references to
	non-BLKmode volatile values.
	* doc/implement-c.texi (Qualifiers implementation): Document the
	interpretation of what a volatile access is.
	* doc/extend.texi (C++ Extensions): Rework same documentation.

2006-11-16  Joseph Myers  <>

	* config/rs6000/ (frob_di_df_2): Handle non-offsettable
	memory operand.

2006-11-16  Richard Earnshaw  <>

	* (abssi2): Allow Thumb as well.	 Use an SImode scratch for
	(arm_neg_abssi2): Renamed from neg_abssi2.
	(thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.

2006-11-16  Uros Bizjak  <>

	* config/i386/i386.c (ix86_function_sseregparm): Fix comment:
	number of arguments passed to local functions in SSE registers is 3.

	* doc/invoke.texi (Function Attributes) [sseregparm]: Correct
	number of arguments passed in SSE registers to 3.

2006-11-16  Maxim Kuvyrkov  <>

	PR target/29201
	* cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
	bb to ...
	(get_last_bb_insn): ... new global function.
	(basic_block.h): Declare it.
	* haifa-sched.c (create_recovery_block): Use it.

2006-11-15  H.J. Lu  <>

	PR middle-end/29862
	* real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.

2006-11-15  Paul Brook  <>

	* config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
	_Unwind_GetTextRelBase): Move from here ...
	* config/arm/pr-support.c (_Unwind_GetDataRelBase,
	_Unwind_GetTextRelBase): ... To here.

2006-11-15  Bernd Schmidt  <>

	* tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
	addresses we generate for testing are aligned.

2006-11-15  Andrew Pinski  <>

	PR tree-opt/29788
	* fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
	to what is the const decl is a place holder for.

2006-11-15  Uros Bizjak  <>

	* config/i386/i386.opt: New target option -mx87regparm.

	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
	and float_in_x87 variables. mmx_words, sse_words: Remove.
	(X87_REGPARM_MAX): Define.

	* config/i386/i386.c (override_options): Error out for
	-mx87regparm but no 80387 support.
	(ix86_attribute_table): Add x87regparm.
	(ix86_handle_cconv_attribute): Update comments for x87regparm.
	(ix86_comp_type_attributes): Check for mismatched x87regparm types.
	(ix86_function_x87regparm): New function.
	(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
	point registers.
	(init_cumulative_args): Initialize x87_nregs and float_in_x87
	(function_arg_advance): Process x87_nregs and x87_regno when
	floating point argument is to be passed in 80387 register.
	(function_arg): Pass XFmode arguments in 80387 registers for local
	functions.  Pass SFmode and DFmode arguments to local functions
	in 80387 registers when flag_unsafe_math_optimizations is set.

	* reg-stack.c (convert_regs_entry): Disable NaN load for
	stack registers that are used for argument passing.

	* doc/extend.texi: Document x87regparm function attribute.
	* doc/invoke.texi: Document -mx87regparm.

2006-11-15  Bernd Schmidt  <>

	* tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
	* tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
	arg MODE; all callers changed.  Use it to determine validity per
	machine mode instead of using Pmode for all memory references.
	(get_address_cost): Likewise add and use new arg MEM_MODE.

2006-11-15  Rask Ingemann Lambertsen <>
	    J"orn Rennecke <>

	* combine.c (likely_spilled_retval_1): Fix masking operation.
	(likely_spilled_retval_p): Use proper pattern for call to

2006-11-15  Bernd Schmidt  <>

	* tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.

	* config/bfin/bfin.c (legitimize_pic_address): Lose dead code
	that tests for CONSTANT_POOL_ADDRESS_P.

2006-11-15  Jakub Jelinek  <>

	PR tree-optimization/29581
	* lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
	REPLACEMENTS, FIRSTBSI arguments.  If initial condition or
	type is different between Y and USE, create a temporary
	variable, initialize it at the beginning of the body bb
	and use it as replacement instead of Y.

2006-11-15  Paolo Bonzini  <>

	PR middle-end/29753
	* gimplify.c (fold_indirect_ref_rhs): Use

2006-11-14  Richard Earnshaw  <>

	* expmed.c (emit_store_flag_1): New function.
	(emit_store_flag): Call it.  If we can't find a suitable scc insn,
	try a cstore insn.
	* expr.c (do_store_flag): If we can't find a scc insn, try cstore.
	Use do_compare_rtx_and_jump.
	* arm.h (BRANCH_COST): Increase to 2 on Thumb.
	* (cstoresi4): New define_expand.
	(cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
	(cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
	(cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.

2006-11-14  Caroline Tice  <>

	* dwarf2out.c (debug_pubtypes_section): New static global variable.
	(pubname_entry):  Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
	this type.
	(pubname_table):  Redefine as a vector.
	(pubtype_table):  New static global variable, defined as a vector.
	(pubname_table_allocated): Remove static global variable.
	(pubname_table_in_use): Remove static global variable.
	(PUBNAME_TABLE_INCREMENT): Remove constant.
	(size_of_pubnames): Add parameter to deal with either pubnames or
	pubtypes, and change code to deal with table being a vector.
	(add_pubname):  Change to deal with table being a vector.
	(add_pubtype):  New function.
	(output_pubnames): Add parameter to deal with either pubnames or
	pubtypes, and change code to deal with table being a vector.
	(gen_array_type_die):  Add call to add_pubtype.
	(gen_enumeration_type_die): Add call to add_pubtype.
	(gen_struct_or_union_type_die): Add call to add_pubtype.
	(gen_subroutine_type_die): Add call to add_pubtype.
	(gen_typedef_die):  Add call to add_pubtype.
	(dwarf2out_init): Add code to initialize pubname_table and
	pubtype_table vectors; also initialize debug_pubtypes_section.
	(prune_unused_types):  Change to deal with pubnames being a vector.
	(dwarf2out_finish): Change to deal with pubnames being a vector; add
	pubnames table to call to output_pubnames;  Add code to output pubtypes
	table if DEBUG_PUBTYPES_SECTION is defined.
	* config/darwin.c (darwin_file_start):  Add DEBUG_PUBTYPES_SECTION to
	* config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.

2006-11-14  Joseph Myers  <>

	* config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
	iwmmxt_nregs if TARGET_IWMMXT_ABI.
	* config/arm/ (movv8qi_internal, movv4hi_internal,
	movv2si_internal): Support moves between core registers.

2006-11-14  Eric Christopher  <>

	* configure: Regenerate with autoconf 2.59.

2006-11-14  Daniel Berlin  <>

	Fix PR tree-optimization/27755

	* tree-ssa-pre.c: Update comments.
	(bb_bitmap_sets): Add pa_in and  deferred member.
	(BB_DEFERRED): New macro.
	(maximal_set): New variable.
	(pre_stats): Add pa_insert member.
	(bitmap_set_and): Short circuit orig == dest.
	(bitmap_set_subtract_values): New function.
	(bitmap_set_contains_expr): Ditto.
	(translate_vuses_through_block): Add phiblock argument.
	(dependent_clean): New function.
	(compute_antic_aux): Update for maximal_set changes.
	(compute_partial_antic_aux): New function.
	(compute_antic): Handle partial anticipation.
	(do_partial_partial_insertion): New function.
	(insert_aux): Handle partial anticipation.
	(add_to_sets): Add to maximal set.
	(compute_avail): Ditto.
	(init_pre): Initialize maximal_set.
	(execute_pre): Do partial anticipation if -O3+.

2006-11-14  Paolo Bonzini  <>

	PR rtl-optimization/29798

	* fwprop.c (use_killed_between): Check that DEF_INSN dominates
	TARGET_INSN before any other check.
	(fwprop_init): Always calculate dominators.
	(fwprop_done): Always free them.

2006-11-14  Kaveh R. Ghazi  <>

	* fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and

2006-11-13  DJ Delorie  <>

	* config/m32c/m32c.c (m32c_prepare_shift): Use a separate
	temporary for intermediates.

2006-11-13  Kaz Kojima  <>

	* config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
	(sh_optimize_target_register_callee_saved): #if 0 the code

2006-11-13  Roger Sayle  <>

	* fold-const.c (optimize_bit_field_compare): Recursively call
	fold when simplifying non-constant comparisons between bit-fields.

2006-11-13  Jakub Jelinek  <>

	* Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
	* configure: Rebuilt.

2006-11-13  Andrew Pinski  <>

	* config/rs6000/ New file.
	* config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
	(ppccell_cost): New cost matrix.
	(rs6000_override_options): Set rs6000_always_hint to false
	for cell. Also align functions/lables/loops to 8byte
	for the Cell. Use PROCESSOR_CELL.
	(rs6000_emit_epilogue): Rename using_mfcr_multiple to
	(rs6000_variable_issue): If the insn is a nonpipelined instruction
	on the Cell, return 0.
	(rs6000_adjust_cost): Add Cell cost adjustments.
	(is_microcoded_insn): Return true for Cell microcoded
	(is_nonpipeline_insn): New function.
	(rs6000_issue_rate): Add PROCESSOR_CELL.
	(rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
	(rs6000_use_sched_lookahead_guard): New function.
	(rs6000_sched_reorder):  Reorder the ready list, if the second
	to last ready insn is a nonepipeline insn on the Cell.
	* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
	(ASM_CPU_SPEC): Add Cell.
	* config/rs6000/ (cpu): Add Cell.
	(cell_micro): New Attr.

2006-11-13  Jakub Jelinek  <>

	* (ld_vers): Parse GNU ld version 20060715
	style versions.
	* configure: Rebuilt.

2006-11-13  Richard Guenther  <>

	* config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
	return value.
	(ix86_expand_lfloorceil): Likewise.
	(ix86_expand_rint): Likewise.
	(ix86_expand_floorceildf_32): Likewise.
	(ix86_expand_floorceil): Likewise.
	(ix86_expand_rounddf_32): Likewise.
	(ix86_expand_truncdf_32): Likewise.
	(ix86_expand_round): Likewise.

2006-11-13  Carlos O'Donell  <>
	    Mark Mitchell  <>

	* gcc.c: Organize search path variables into $prefix relative,
	and well-known native. Add comments.
	(add_sysrooted_prefix): Add comment.
	(process_command): If !gcc_exec_prefix add $prefix based paths.
	If *cross_compile == '0', add native well-known paths.
	Assert tooldir_base_prefix is always relative.
	(main): If print_search_dirs, and if gcc_exec_prefix is set,
	use this value for 'install:' path.
	* Add GCC_EXEC_PREFIX to generated site.exp.

2006-11-13  H.J. Lu  <>

	* config/i386/i386.c: Fix a typo in comment.

2006-11-13  Michael Matz  <>

	* genemit.c (gen_expand): Allocate enough memory.

2006-11-13  Joseph Myers  <>

	* config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
	* config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define

2006-11-13  H.J. Lu  <>
	    Zdenek Dvorak <>

	PR tree-optimization/29680
	* tree-ssa-operands.c (access_can_touch_variable): Revert fix for
	PR 14784.

2006-11-12  Jason Merrill  <>
	    Andrew Pinski <>

	PR middle-end/28915
	* gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
	vector ctors.
	* tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
	vector ctors.
	* expmed.c (make_tree): Handle CONST, SYMBOL_REF.
	* tree.c (build_vector): Handle non-_CST elements.

2006-11-12  Kaz Kojima  <>

	* genemit.c (gen_insn): Call gen_exp with a non-null used
	when handling multiple insns.
	(gen_expand): Likewise.
	* reorg.c (emit_delay_sequence): Copy the delay slot insn.
	* config/sh/ (ashrsi2_31+1): Copy operands[0].
	(movsi_const_16bit+1): Copy operands[1].
	(call_pcrel): Copy the call_site pattern.
	(call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.

2006-11-12  Roger Sayle  <>

	* fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
	condition for transformations.  Use !HONOR_SIGN_DEPENDENT_ROUNDING
	&& !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
	(fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.

2006-11-12  Daniel Berlin  <>

	Fix PR tree-optimization/29587
	* tree-ssa-structalias.c (process_constraint): Don't
	mark address taken due only to escaped vars constraint.

2006-11-12  Michael Matz  <>
	    Roger Sayle  <>

	PR rtl-optimization/29797
	* ifcvt.c (noce_try_bitop): Correct calculation of bitnum on

2006-11-12  Kaveh R. Ghazi  <>

	* builtins.c (fold_builtin_cosh): New.
	(fold_builtin_1): Use it.
	* fold-const.c (negate_mathfn_p): Add llround, lround, round,
	trunc to the list of "odd" functions.  Also add llrint, lrint,
	rint and nearbyint when flag_rounding_math is false.

2006-11-12  Zdenek Dvorak <>

	* tree-flow.h (name_mappings_registered_p): Declare.
	* tree-into-ssa.c (name_mappings_registered_p): New function.
	* tree-cfg.c (tree_can_merge_blocks_p): Check
	name_mappings_registered_p instead of need_ssa_update_p.

2006-11-12  Zdenek Dvorak <>

	* tree-ssa-loop.c (tree_vectorize): Return the result of
	* tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
	if anything changed.
	* tree-vectorizer.h (vectorize_loops): Declaration removed.
	* tree-flow.h (vectorize_loops): Declaration changed.

2006-11-12  Zdenek Dvorak <>

	* tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
	(issue_prefetch_ref): Move assignment to write_p out of loop.
	(determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
	(loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
	* lambda-code.c (lcm): Renamed to ...
	(least_common_multiple): ... and exported.
	* tree-flow.h (least_common_multiple): Declare.

2006-11-12  Zdenek Dvorak <>

	* (tree-data-ref.o): Add langhooks.h dependency.
	* tree-ssa-loop-niter.c (derive_constant_upper_bound):  Follow
	ud-chains.  Handle AND_EXPR.
	(record_estimate): Record whether the estimate is realistic
	and whether it is derived from a loop exit.
	(record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
	infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
	(compute_estimated_nb_iterations): Take only realistic bounds into
	account.  Set estimate_state.  Use double_ints.
	(infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
	and infer_loop_bounds_from_signedness.  Do not consider basic blocks
	that do not have to be always executed.
	(estimate_numbers_of_iterations_loop): Set estimate_state, and use it
	to determine whether to call infer_loop_bounds_from_undefined
	and compute_estimated_nb_iterations.
	(n_of_executions_at_most): Use double_ints.
	(free_numbers_of_iterations_estimates_loop): Set estimate_state.
	(substitute_in_loop_info): Do not replace in estimated_nb_iterations.
	* double-int.c (double_int_to_tree): Improve comment.
	(double_int_fits_to_tree_p): New function.
	* double-int.h (double_int_fits_to_tree_p): Declare.
	* tree-data-ref.c: Include langhooks.h.
	(estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
	(analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
	(analyze_array): Do not pass estimate_only argument to
	(get_number_of_iters_for_loop): Build tree from the stored double_int
	(get_references_in_stmt, find_data_references_in_stmt): New functions.
	(find_data_references_in_loop): Use find_data_references_in_stmt.
	* tree-data-ref.h (struct data_ref_loc_d): New.
	(get_references_in_stmt): Declare.
	(estimate_iters_using_array): Declaration removed.
	* cfgloop.h (struct nb_iter_bound): Change type of bound to
	double_int.  Improve comments.  Add is_exit and realistic
	(struct loop): Changed type of estimated_nb_iterations to double_int.
	Added estimate_state field.
	(record_estimate): Declaration removed.

2006-11-12  Zdenek Dvorak <>

	* params.c (set_param_value): Initialize the "set" field.
	* params.h (struct param_info): Add "set" field.
	(PARAM_SET_P): New macro.
	L1_CACHE_LINE_SIZE): New macros.
	* toplev.c (DEFPARAM): Initialize the "set" field.
	* tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
	(tree_ssa_prefetch_arrays): Dump the values of the parameters.
	* config/sparc/sparc.c: Include params.h.
	(sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
	L1_CACHE_LINE_SIZE parameters.
	* config/i386/i386.c: Include params.h.
	(k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
	(override_options): Set SIMULTANEOUS_PREFETCHES and
	L1_CACHE_LINE_SIZE parameters.
	* config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
	L1_CACHE_LINE_SIZE parameters.
	* config/ia64/ia64.c (ia64_optimization_options): Set
	* doc/invoke.texi: Document new params.

2006-11-12  Roger Sayle  <>

	PR tree-optimization/13827
	* fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
	as ((X^Y)&C) op 0.

2006-11-12  Zdenek Dvorak <>

	* cfgloopmanip.c (update_single_exit_for_duplicated_loop,
	update_single_exit_for_duplicated_loops): New functions.
	(duplicate_loop_to_header_edge): Use
	* tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
	functions only with ENABLE_CHECKING.

2006-11-12  Andreas Schwab  <>

	* except.c (sjlj_emit_function_enter): Remove unused variable.

2006-11-11  Roger Sayle  <>

	* fold-const.c (int_binop_types_match_p): New function.
	(size_binop): Relax constraint that both arguments must both have
	exactly the same sizetype type.  Instead use int_binop_types_match_p.
	(size_diffop): Likewise.

	(make_range): Use build_int_cst instead of fold_convert.
	(fold_cond_expr_with_comparison): Use build_int_cst to construct
	integer constants of the correct type.
	(fold_div_compare): Likewise.
	(fold_single_bit_test): Likewise.
	(fold_binary): Likewise.
	* stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
	has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.

2006-11-11  Andrew Pinski  <>

	PR rtl-opt/28812
	* alias.c (fixed_scalar_and_varying_struct_p): Don't return a
	non null value if the struct memory access is in the 0th
	aliasing set.

2006-11-12  Jie Zhang  <>

	2006-11-11  Jie Zhang  <>
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
	and __BFIN__.

	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
	instead of builtin_define for bfin and BFIN.

2006-11-11  Jie Zhang  <>

	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
	and __BFIN__.

2006-11-11  Jan Hubicka  <>

	* extend.texi (__builtin_expect): We no longer require second argument
	to be constant.
	* gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
	* builtins.c (expand_builtin_expect): Simplify.
	(expand_builtin_expect_jump): Kill.
	* final.c (final_scan_insn): Do not skip the removed notes.
	* dojump.c (do_jump): Do not care about __builtin_expect.
	* predict.c (expected_value_to_br_prob): Kill.
	* function.c (expand_function_end): Do not expand
	* print-rtl.c (print_rtx): Do not pretty print the removed notes.
	* expect.c (sjlj_emit_function_enter): Emit directly branch probability.
	* cfgexpand.c (add_reg_br_prob_note): Export.
	* cfgcleanup.c (rest_of_handle_jump2): Do not call
	* cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
	* rtl.h (add_reg_br_prob_note): Declare.

2006-11-11  Kaveh R. Ghazi  <>

	* tree-pretty-print.c (dump_generic_node): Print sign of Inf.

2006-11-11  Jan Hubicka  <>

	* predict.c (predict_loops): Kill RTL variant.

2006-11-11  Jan Hubicka  <>

	* tree-pass.h (pass_purge_lineno_notes): Remove declaration.
	* modulo-sched.c (find_line_note): Remove.
	(loop_canon_p): Do not worry about line number notes.
	(sms_schedule): Likewise.
	* cse.c (cse_main): Likewise.
	* regmove.c (fixup_match_1): Likewise
	* function.c (emit_return_info_block): Likewise.
	(expand_function_end): Likewise.
	(thread_prologue_an_epilogue_insns): Likewise.
	* cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
	* emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
	emit_note_copy_after): Kill.
	(emit_note_copy): Do not worry about line numbers.
	* jump.c (purge_line_number_notes): Kill.
	(pass_purge_lineno_notes): Kill.
	* cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
	* rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
	* passes.c (init_optimization_passes): Don't purge_lineno_notes.
	* sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
	* tree-pass.h (pass_purge_lineno_notes): Kill.
	* sched-ebb.c (schedule_ebb): Don't rm_line_notes,
	* sched-rgb.c (schedule_region): Don't rm_line_notes,
	* sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
	* haifa-sched.c: Update comment about handling notes.
 	(unlink_line_notes): Kill.
	(rm_line_notes): Kill.
	(save_line_notes): Simplify.
	(rm_redundant_line_notes): Kill.

2006-11-11  Richard Guenther  <>

	Remove unused tree codes.
	* tree-vrp.c (extract_range_from_unary_expr): Remove handling
	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
	* tree.c (stabilize_reference): Likewise.
	* fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
	fold_unary): Likewise.
	* tree-gimple.c (is_gimple_cast): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* tree-eh.c (tree_could_trap_p): Likewise.
	* gimplify.c (gimplify_expr): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* tree-cfg.c (verify_expr): Likewise.

2006-11-11  Zdenek Dvorak <>

	* tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
	* tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
	(tree_ssa_prefetch_arrays): Do not dump for removed loops.

2006-11-11  Richard Sandiford  <>

	PR middle-end/27528
	* stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
	constraints accept neither registers or memories.

2006-11-11  Jie Zhang  <>

	* config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
	(NO_PROFILE_COUNTERS): Define as 1.

2006-11-10  Roger Sayle  <>

	* fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
	Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.

2006-11-10  Peter Bergner  <>


2006-11-10  Kaveh R. Ghazi  <>

	* builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
	(fold_builtin_hypot): Likewise.
	* fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.

	* fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.

2006-11-10  Roger Sayle  <>

	* tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
	when attempting to build INTEGER_CSTs of non-integral types.
	* expmed.c (make_tree): Use the correct type, i.e. the inner
	type, when constructing the individual elements of a CONST_VECTOR.

2006-11-10  Jan Hubicka  <>

	* cse.c (cse_process_notes): Copy the propagated value.
	* local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
	in REG_EQUIV notes.
	* gcse.c (try_replace_reg): Copy the replacement.
	* i386.c (emit_i387_cw_initialization): Copy stored_mode.
	(assign_386_stack_local): Always return copied memory expression
	* function.c (instantiate_virtual_regs_in_insn): Copy the operand

2006-11-10  Jan Hubicka  <>

	* final.c (final): Walk from first instruction.
	* cfglayout.c (insn_locators_initialize): Remove line number notes.

2006-11-10  Uros Bizjak  <>

	PR target/29777
	* config/i386/ (smulv8hi3_highpart): Change from define_insn
	to define_expand.
	(umulv8hi3_highpart): Ditto.
	(vec_widen_smult_hi_v8hi): New expander.
	(vec_widen_smult_lo_v8hi): Ditto.

2006-11-09  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (do_mpfr_arg3): New.
	(fold_builtin_1): Handle builtins fma, fmin and fmax.

2006-11-09  Eric Christopher  <>

	PR bootstrap/26892
	PR bootstrap/27814
	PR other/28994
	* Match powerpc*-*-darwin* for powerpc darwin checks.
	* config.gcc (powerpc64-*-darwin*): New target.
	* Ditto.
	* config/rs6000/darwin64.h: New file.
	* config/rs6000/x-darwin64: Ditto.
	* config/rs6000/host-ppc64-darwin.c: Ditto.

2006-11-09  Steve Ellcey  <>

	* config/ia64/ia64.c (ia64_hpux_init_libfuncs):  Use HP-UX millicode
	routines for integer division.

2006-11-09  Daniel Jacobowitz  <>

	* config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.

2006-11-09  Serge Belyshev  <>

	PR middle-end/29726
	* fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.

2006-11-09  Andreas Krebbel  <>

	* simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
	simplify_subreg with BLKmode outer mode.

2006-11-08  Brooks Moses  <>

	* doc/invoke.texi: Minor formatting fixes in option lists.

2006-11-08  Zdenek Dvorak <>

	PR tree-optimization/29738
	* tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
	(ccp_lattice_t): Remove UNKNOWN_VAL.
	(dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
	Do not handle UNKNOWN_VAL.
	(get_default_value): Set initial value of virtual operands to
	(get_value): Always use get_default_value on uninitialized
	(set_value_varying, surely_varying_stmt_p): New functions.
	(set_lattice_value): Do not pass argument to get_value.
	Do not handle UNKNOWN_VAL.
	(likely_value): Follow the semantics described in the comment.
	(ccp_initialize): Use surely_varying_stmt_p.  Do not mark
	(ccp_fold): Do not pass argument to get_value.
	(fold_const_aggregate_ref, visit_assignment): Ditto.  Do not
	handle UNKNOWN_VAL.

2006-11-08  Andrew Pinski  <>

	* tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
	HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.

2006-11-08  Roger Sayle  <>

	* tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
	test for inclusion rather than as a test for exclusion.
	* tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
	the condition after calling fold_binary.
	* fold-const.c (fold_inf_compare): Remove in_gimple_form check.
	(fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
	* builtins.c (fold_builtin_isascii): Likewise.
	(fold_builtin_isdigit): Likewise.

2006-11-08  Carlos O'Donell  <>

	* Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
	* configure: Regenerate.

2006-11-08  Dorit Nuzman  <>

	* tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
	enum argument instead of bool.
	(vect_analyze_operations): Call vectorizable_type_promotion.
	* tree-vectorizer.h (type_promotion_vec_info_type): New enum
	stmt_vec_info_type value.
	(supportable_widening_operation, vectorizable_type_promotion): New
	function declarations.
	* tree-vect-transform.c (vect_gen_widened_results_half): New function.
	(vectorizable_type_promotion): New function.
	(vect_transform_stmt): Call vectorizable_type_promotion.
	* tree-vect-analyze.c (supportable_widening_operation): New function.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern):
	Add implementation.
	* tree-vect-generic.c (expand_vector_operations_1): Consider correct

	* tree-inline.c (estimate_num_insns_1): Add cases for above new
	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* optabs.c (optab_for_tree_code): Likewise.
	(init_optabs): Initialize new optabs.
	* genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
	vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
	vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
	vec_unpacku_lo_optab): Initialize new optabs.
	* optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
	(OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
	OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
	optab indices.
	(vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
	(vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
	(vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
	(vec_unpacku_lo_optab): New optabs.
	* doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
	(vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
	(vec_widen_smult_hi, vec_widen_smult_lo): New.
	* doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):

	(vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
	implement the unsigned unpacking patterns.
	(vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
	(vec_unpacks_lo_v8hi): New signed unpacking patterns.
	(vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
	(vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
	(vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
	(vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
	(vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
	(vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
	multiplication patterns.

	* target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
	* config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
	(rs6000_builtin_mul_widen_odd): New.
	* tree-vectorizer.h (enum vect_relevant): New enum type.
	(_stmt_vec_info): Field relevant chaned from bool to enum
	* tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
	* tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
	and boolean variable with enum vect_relevant.
	(vect_mark_stmts_to_be_vectorized): Likewise + update documentation.

	2006-11-08  Richard Henderson  <>

	* config/i386/ (vec_widen_umult_hi_v8hi,
	vec_widen_umult_lo_v8hi): New.
	(vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
	vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.

	* config/i386/i386.c (ix86_expand_sse_unpack): New.
	* config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
	* config/i386/ (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
	vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
	vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
	vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
	vec_unpacks_lo_v4si): New.

	2006-11-08  Dorit Nuzman  <>

	* tree-vect-transform.c (vectorizable_type_demotion): New function.
	(vect_transform_stmt): Add case for type_demotion_vec_info_type.
	(vect_analyze_operations): Call vectorizable_type_demotion.
	* tree-vectorizer.h (type_demotion_vec_info_type): New enum
	stmt_vec_info_type value.
	(vectorizable_type_demotion): New function declaration.
	* tree-vect-generic.c (expand_vector_operations_1): Consider correct

	* tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
	* expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
	* tree-iniline.c (estimate_num_insns_1): Likewise.
	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
	* optabs.c (optab_for_tree_code): Likewise.

	* optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
	compared against the predicate of the result is not 'mode' (the input
	to the function) but a mode with half the size of 'mode'.
	(init_optab): Initialize new optabs.
	* optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
	New optab indices.
	(vec_pack_mod_optab, vec_pack_ssat_optab,  vec_pack_usat_optab): New
	* genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
	(vec_pack_usat_optab): Initialize new optabs.
	* doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
	* config/rs6000/ (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.

	2006-11-08  Richard Henderson  <>

	* config/i386/ (vec_pack_mod_v8hi, vec_pack_mod_v4si):
	(vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
	(vec_interleave_highv8hi, vec_interleave_lowv8hi):
	(vec_interleave_highv4si, vec_interleave_lowv4si):
	(vec_interleave_highv2di, vec_interleave_lowv2di): New.

	2006-11-08  Dorit Nuzman  <>

	* tree-vect-transform.c (vectorizable_reduction): Support multiple
	(vect_transform_stmt): Removed redundant code.

	2006-11-08  Dorit Nuzman  <>

	* tree-vect-transform.c (vectorizable_operation): Support multiple

	2006-11-08  Dorit Nuzman  <>

	* tree-vect-transform.c (vect_align_data_ref): Removed.
	(vect_create_data_ref_ptr): Added additional argument - ptr_incr.
	Updated function documentation. Return the increment stmt in ptr_incr.
	(bump_vector_ptr): New function.
	(vect_get_vec_def_for_stmt_copy): New function.
	(vect_finish_stmt_generation): Create a stmt_info to newly created
	vector stmts.
	(vect_setup_realignment): Call vect_create_data_ref_ptr with additional
	(vectorizable_reduction, vectorizable_assignment): Not supported yet if
	VF is greater than the number of elements that can fit in one vector
	(vectorizable_operation, vectorizable_condition): Likewise.
	(vectorizable_store, vectorizable_load): Support the case that the VF
	is greater than the number of elements that can fit in one vector word.
	(vect_transform_loop): Don't fail in case of multiple data-types.
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
	in case of multiple data-types; the smallest type determines the VF.
	(vect_analyze_data_ref_dependence): Don't record datarefs as same_align
	if they are of different sizes.
	(vect_update_misalignment_for_peel): Compare misalignments in terms of
	number of elements rather than number of bytes.
	(vect_enhance_data_refs_alignment): Fix/Add dump printouts.
	(vect_can_advance_ivs_p): Fix a dump printout

2006-11-07  Eric Christopher  <>

	* libgcc2.c (__bswapdi2): Rename from bswapDI2.
	(__bswapsi2): Ditto.
	* libgcc2.h: Remove transformation of bswap routines.
	* config/i386/ (bswapsi2): New.
	(bswapdi2): Ditto.

2006-11-07  Jakub Jelinek  <>

	* c-common.c (c_common_attributes): Add gnu_inline attribyte.
	(handle_gnu_inline_attribute): New function.
	* c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
	(merge_decls, start_decl, start_function): Likewise.
	* doc/extend.texi: Document gnu_inline attribute.

2006-11-07  Steve Ellcey  <>

	PR other/25028
	* config/ia64/t-hpux (LIB1ASMFUNCS):  Filter out _fixtfdi,
	_fixunstfdi, and  _floatditf

2006-11-06  Anatoly Sokolov <>

	* config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
	* config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
	(output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
	lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
	which start in an odd register.

2006-11-07  Richard Sandiford  <>

	* config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.

2006-11-07  Josh Conner  <>

	* doc/invoke.texi (fstrict-aliasing): Move implementation
	* doc/tree-ssa.texi (Alias analysis):

2006-11-07  Richard Guenther  <>

	PR tree-optimization/29610
	* tree-cfgcleanup.c (cleanup_control_flow): Honor return value
	of tree_purge_dead_eh_edges as it may free dominators.

	* g++.dg/other/pr29610.C: New testcase.

2006-11-07  David Ung  <>

	* config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
	costs when optimizing for size.
	(override_options): Use mips_rtx_cost_optimize_size table for cost

2006-11-07  Jie Zhang  <>

	* gcc.c (process_command): Treat -b as normal switch if its argument
	has no dash.

2006-11-07  David Ung  <>

	* config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the

2006-11-06  Eric Christopher  <>

	* config.gcc: Add x86_64-darwin host support.
	* Ditto.
	* config/i386/darwin64.h: New file.
	* config/i386/t-darwin64: Ditto.

2006-11-06  Janis Johnson  <>

	* gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
	and output-exists-not.

2006-11-06  Andrew Pinski  <>

	PR tree-opt/29439
	* tree-vrp.c (vrp_int_const_binop): Use the correct tree when
	checking for overflow.

2006-11-06  Jan van Dijk  <>

	* Fixed typo in case statement: :: changed to ;;

2006-11-06  Bob Wilson  <>

	* longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
	count_leading_zeros, and count_trailing_zeros.
	* config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
	(xtensa_init_builtins): New.
	(xtensa_fold_builtin): New.
	(xtensa_expand_builtin): New.
	(xtensa_rtx_costs): Add CTZ and CLZ.  Adjust costs for MULT.
	* config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
	* config/xtensa/ (UNSPEC_NSAU): Remove.
	(any_extend): New code macro.
	(u, su): New code attributes.
	(<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
	(nsau): Remove; replaced by clzsi2.
	(ffssi2): Use clzsi2.
	* config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
	_clzsi2, _ctzsi2, and _ffssi2.  Rename _nsau to _clz.
	* config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
	(__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
	(__nsau_data): Guard with ifdef L_clz instead of L_nsau.

2006-11-06  Vladimir Prus  <>

	* config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
	set inhibit_libc.
	* config/arm/t-strongarm-elf: Likewise.
	* config/arm/t-pe: Likewise.
	* config/arm/t-arm-elf: Likewise.
	* config/arm/t-xscale-elf: Likewise.
	* config/arm/t-arm-coff: Likewise.
	* config/arm/t-xscale-coff: Likewise.
	* config/arm/t-wince-pe: Likewise.

2006-11-05  Kaz Kojima  <>

	* config/sh/lib1funcs-4-300.asm: Guard entire file with
	#if !__SHMEDIA__ .

2006-11-05  Jakub Jelinek  <>

	PR middle-end/29695
	* fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0

2006-11-04  Uros Bizjak  <>

	PR target/26915
	* config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
	as a valid 80387 constant.
	(standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
	* config/i386/ (unnamed splitter): Split the load of
	constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
	by negation.

2006-11-04  Richard Earnshaw  <>

	* arm.c (thumb_legitimate_addres_p): Allow any constant offset
	from the soft-frame, argument and virtual registers.

2006-11-04  Uros Bizjak  <>

	* config/i386/ (*movxf_nointeger, *movxf_integer): Enable
	patterns for standard 80387 constants.

2006-11-03  Paolo Bonzini  <>
	    Steven Bosscher  <>

	* fwprop.c: New file.
	* Add fwprop.o.
	* tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
	* passes.c (init_optimization_passes): Schedule forward propagation.
	* rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
	* timevar.def (TV_FWPROP): New.
	* common.opt (-fforward-propagate): New.
	* opts.c (decode_options): Enable forward propagation at -O2.
	* gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
	* cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
	canon_for_address, table_size): Remove.
	(new_basic_block, insert, remove_from_table): Remove references to
	(fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
	simplification loop more straightforward by not calling fold_rtx
	(equiv_constant): Move here a small part of fold_rtx_subreg,
	do not call fold_rtx.  Call avoid_constant_pool_reference
	to process MEMs.
	* recog.h (canonicalize_change_group): New.

	* doc/invoke.texi (Optimization Options): Document fwprop.
	* doc/passes.texi (RTL passes): Document fwprop.

2006-11-03  Geoffrey Keating  <>

	* c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
	(merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
	(grokdeclarator): Likewise.

2006-11-03  Steven Bosscher  <>

	* tree-dump.c (dump_enable_all): Rename local variable
	ir_type to avoid name conflicts.
	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
	instead of using ir_type().
	* profile.c (tree_register_profile_hooks): Likewise.
	* value-prof.c (tree_register_value_prof_hooks): Likewise.
	* basic-block.h (struct edge_def): Likewise.
	* config/arm/arm.c (legitimize_pic_address): Likewise.
	* coretypes.h (ir_type): New enum of all intermediate languages
	used in GCC.
	* cfghooks.c (ir_type): Rename to...
	(current_ir_type): ...this.  Distinguish between cfgrtl and
	cfglayout mode when the current IR is RTL.  Return enum ir_type.
	* cfghooks.h (ir_type): Replace with current_ir_type prototype.

2006-11-03  Paul Brook  <>

	* config/arm/arm.c (arm_file_start): New function.
	(arm_default_cpu): New variable.
	(arm_override_options): Set arm_default_cpu.

2006-11-03  David Ung  <>

	* config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
	* config/mips/mips.c (mips_cpu_info_table): Add processor names
	and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
	(mips_rtx_cost_data): Add costs for the 24kc.
	* config/mips/ ("cpu"): Remove 24k, add 24kc and 24kf.
	* config/mips/ Remove references to 24k and replace with
	uses of 24kc/24kf in the appropriate reservations.
	* doc/invoke.texi (MIPS Options): Updated.

2006-11-03  J"orn Rennecke  <>

	* config/sh/crt1.asm: Fix #ifdef indent.

2006-11-03  J"orn Rennecke  <>
	Merged from STMicroelectronics sources:
	2006-10-06  Andrew Stubbs  <>
	  * config/sh/crt1.asm (vbr_600): Add missing #if.
	2006-08-03  J"orn Rennecke  <>
	  * sh.opt (mfused-madd): New option.
	  * (mac_media, macsf3): Make conditional on TARGET_FMAC.
	2006-07-04  Andrew Stubbs  <>
	  * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
	  Remove pointless handler at VBR+0.
	  (vbr_200, vbr_300, vbr_500): Remove pointless handler.
	  (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
	  fr7. Make sure the timer handler is called with the correct FPU
	  precision setting, according to the ABI.
	2006-06-14  J"orn Rennecke <>
	  * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
	  * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
	2006-06-09  J"orn Rennecke <>
	  * (cmpgeusi_t): Change into define_insn_and_split.  Accept
	  zero as second operand.
	2006-04-28  J"orn Rennecke <>
	  * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
	  Fixed some bugs related to negative values, in particular -0
	  and overflow at -0x80000000.
	  * config/sh/divcost-analysis: Added sh4-300 figures.
	2006-04-27  J"orn Rennecke <>
	  * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
	2006-04-26  J"orn Rennecke <>
	  * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
	  ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
	  * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
	New files.
	  * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
	2006-04-24  J"orn Rennecke <>
	  SH4-300 scheduling description & fixes to SH4-[12]00 description:
	  * New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
	  mac_mem, mem_mac, dfp_mul, fp_cmp.
	  (insn_class, dfp_comp, any_fp_comp): Update.
	  (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
	  (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
	  (muldf3_i): Likewise.
	  (movsi_i): Split rI08 alternative into two separate alternatives.
	  Update type.
	  (movsi_ie, movsi_i_lowpart): Likewise.
	  (movqi_i): Split ri alternative into two separate alternatives.
	  Update type.
	  * (sh1_load_store, sh1_fp): Update.
	  * (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
	  (mac_mem, sh4_fpscr_toggle): New insn_reservations.
	  * (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
	  (sh4a_fp_double_arith): Likewise.
	  * New file.
	  * sh.c (sh_handle_option): Handle m4-300* options.
	  (sh_adjust_cost): Fix latency of auto-increments.
	  Handle SH4-300 differently than other SH4s.  Check for new insn types.
	  * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
	  been set by an option.
	  * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
	  (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
	  (mbranch-cost=): Likewise.
	  * superh.h (STARTFILE_SPEC): Take -m4-340 into account.

	  * (mulsf3): Remove special expansion code.
	  (mulsf3_ie): Now a define_insn_and_split.
	  (macsf3): Allow for TARGET_SH4.

	  * (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
	  * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
	  (expand_cbranchdi4): Likewise.
	  (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
	  CONST_DOUBLE if the outer code is COMPARE.
	  * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
	  Remove redundant fp_{zero,one}_operand checks.
	  * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
	  * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
	  (expand_cbranchdi4): Likewise.
	2006-04-20  J"orn Rennecke <>

2006-11-02  Andrew Pinski  <>

	* doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W

2006-11-02  Brooks Moses  <>

	* doc/invoke.texi: Fix mfp-trap-mode typo.

2006-11-02  Carlos O'Donell  <>

	* config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
	* arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
	Define as 0.
	* lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
	for a non-executable stack.
	* crti.asm: Likewise.
	* crtn.asm: Likewise.
	* libunwind.S: Likewise.

2006-11-02  Ben Elliston  <>

	* tree-ssa.c (warn_uninit): Use expand_location variables for
	locus and declaration locus.

2006-11-02  Kaz Kojima  <>

	PR target/27405
	* config/sh/ (cmp{eq,gt,gtu}{si,di}_media): Remove.
	(cmpsi{eq,gt,gtu}{si,di}_media): Rename to
	(*cmpne0si_media): Remove.
	(*movsicc_umin): Adjust gen_cmp*_media call.
	(unordered): Change the mode of unordered and operands[1] to
	(seq): Adjust gen_cmp*_media calls.  Make the mode of
	a temporary result of compare SImode if needed.  If the mode
	of operands[0] is DImode, extend the temporary result to DImode.
	(slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
	(sunorderd): Change the mode of match_operand and unorderd to
	(cmpeq{sf,df}_media): Remove.
	(cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
	(cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
	and compare operation to SImode.

2006-11-02  Eric Botcazou  <>

	* doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
	(sparc64-sun-solaris2*): Likewise.

2006-11-02  Paul Brook  <>

	* config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
	from priority argument.  Use different section for non-default
	* config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.

2006-11-02  Eric Botcazou  <>

	PR other/29639
	* except.c (switch_to_exception_section): Do not cache the section
	if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
	and flag_function_sections is set.

2006-11-01  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (do_mpfr_sincos): New.
	(fold_builtin_1): Use it to fold builtin sincos.

2006-11-01  Roger Sayle  <>

	* config/darwin.h (CPP_SPEC): Handle -pthread, transforming
	it into -D_REENTRANT.

2006-11-01  Roger Sayle  <>

	* (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
	whether the assembler supports taking the difference of symbols in
	different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
	* configure: Regenerate.
	* Regenerate.
	* config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
	the assembler doesn't support taking the difference of symbols in
	different sections, i.e. we're using the native solaris assembler.

2006-11-01  Pete Steinmetz  <>
	    Peter Bergner  <>

	* doc/invoke.texi: Add cpu_type power6x
	(RS/6000 and PowerPC Options): Add -mmfpgpr.
	* config.gcc: Add cpu_type power6x.
	* Add test for mf{t,f}gpr instructions.
	* Regenerate.
	* configure: Regenerate.
	* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
	* config/rs6000/ (define_attr "type"): Add insert_dword,
	shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
	and mftgpr attributes.
	(define_attr "cpu"): Add power6.
	Change instruction sequences to use new attributes.
	(floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
	(fix_truncdfsi2_mfpgpr): New.
	(floatsidf_ppc64_mfpgpr): New.
	(floatsidf_ppc64): Added !TARGET_MFPGPR condition.
	(movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
	(movdf_hardfloat64): Added !TARGET_MFPGPR condition.
	(movdi_internal64): Added !TARGET_MFPGPR and related conditions.
	(fix_truncdfsi2): Use gpc_reg_operand constraint.
	* config/rs6000/{,,,,,,,,,,,,}:
	Add descriptions for insert_dword, shift,trap,var_shift_rotate,
	cntlz,exts and var_delayed_compare.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	_ARCH_PWR6X, if features enabled.
	* config/rs6000/rs6000.opt (mmfpgpr): New.
	* config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
	(cached_can_issue_more): New variable.
	(processor_costs): Add power6_cost.
	(rs6000_sched_init): New function.
	(is_dispatch_slot_restricted): Deleted.
	(set_to_load_agen): New function.
	(is_load_insn,is_store_insn): New functions.
	(adjacent_mem_locations): New function.
	(insn_must_be_first_in_group): New function.
	(insn_must_be_last_in_group): New function.
	(rs6000_sched_reorder): New function.
	(rs6000_sched_reorder2): New function.
	(processor_target_table): Use PROCESSOR_POWER6 for power6.
	Add power6x. Add MASK_MFPGPR for power6x.
	(rs6000_override_options): Set rs6000_always_hint to false
	for power6.  Set rs6000_align_branch_targets. Replace
	rs6000_sched_groups check with rs6000_align_branch_targets.
	(last_scheduled_insn): New variable.
	(load_store_pendulum): New variable.
	(rs6000_variable_issue): Set last_scheduled_insn and
	(rs6000_adjust_cost): Add power6 cost adjustments.
	(rs6000_adjust_priority): Replace is_dispatch_slot_restricted
	with insn_must_be_first_in_group. Add power6 priority adjustments.
	(rs6000_issue_rate): Add CPU_POWER6.
	(insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
	* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
	(ASM_CPU_SPEC): Add power6x.
	(SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
	* config/rs6000/ New file.

2006-11-01  Adam Nemet  <>

	* tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
	HOST_WIDE_INT_PRINT to print high and low parts.  Use
	HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
	printing a hexadecimal number prefix it with 0x.

2006-11-01  Chris Johns <>

	PR bootstrap/28400
	* (install-driver): Use exeext when installing

2006-11-01	Douglas Gregor <>

	* c-common.c (flag_cpp0x): New.
	* c-common.h (flag_cpp0x): New.
	* c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
	supported, define __GXX_EXPERIMENTAL_CPP0X__.
	* c-opts.c (set_std_cxx0x): New.
	(c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
	* c.opt (std=c++0x): Document.
	(std=gnu++0x): Ditto.
	* doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
	* doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.

2006-11-01  Richard Guenther  <>

	* config/i386/i386.c (ix86_expand_rint): Fix issues with
	signed zeros.
	(ix86_expand_floorceildf_32): Likewise.
	(ix86_expand_floorceil): Likewise.
	(ix86_expand_trunc): Likewise.

2006-10-31  Andrew Pinski  <>

	* doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
	to "GNU C89".

2006-11-01  Danny Smith  <>

	* target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
	* target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
	* config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
	Override default.
	* doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
	* (use_cxa_atexit): As a special case, don't test
	for libc definition of __cxa_atexit on mingw32
	* configure: Regenerate.
	* config.gcc (i[34567]86-pc-mingw32): Default to

2006-11-01  Kaveh R. Ghazi  <>

	* builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.

2006-10-31  Geoffrey Keating  <>

	PR 23067
	* c-decl.c (start_struct): Don't create self-containing
	* config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
	* config/rs6000/rs6000-protos.h
	(darwin_rs6000_special_round_type_align): New.
	* config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
	(ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.

2006-10-31  Geoffrey Keating  <>

	* toplev.c (compile_file): Call final_write_globals
	even if there have been errors.

2006-10-31  Eric Christopher  <>
	    Falk Hueffner  <>

	* doc/extend.texi (__builtin_bswap32): Document.
	(__builtin_bswap64): Ditto.
	* doc/libgcc.texi (bswapsi2): Document.
	(bswapdi2): Ditto.
	* doc/rtl.texi (bswap): Document.
	* optabs.c (expand_unop): Don't widen a bswap.
	(init_optabs): Init bswap. Set libfuncs explicitly
	for bswapsi2 and bswapdi2.
	* optabs.h (OTI_bswap): New.
	(bswap_optab): Ditto.
	* genopinit.c (optabs): Handle bswap_optab.
	* tree.h (tree_index): Add TI_UINT32_TYPE and
	(uint32_type_node): New.
	(uint64_type_node): Ditto.
	* tree.c (build_common_tree_nodes_2): Initialize
	uint32_type_node and uint64_type_node.
	* builtins.c (expand_builtin_bswap): New.
	(expand_builtin): Call.
	(fold_builtin_bswap): New.
	(fold_builtin_1): Call.
	* fold-const.c (tree_expr_nonnegative_p): Return true
	for bswap.
	* builtin-types.def (BT_UINT32): New.
	(BT_UINT64): Ditto.
	(BT_FN_UINT32_UINT32): Ditto.
	(BT_FN_UINT64_UINT64): Ditto.
	* builtins.def (BUILT_IN_BSWAP32): New.
	(BUILT_IN_BSWAP64): Ditto.
	* rtl.def (BSWAP): New.
	* genattrtab.c (check_attr_value): New.
	* libgcc2.c (__bswapSI2): New.
	(__bswapDI2): Ditto.
	* libgcc2.h (__bswapSI2): Declare.
	(__bswapDI2): Ditto.
	* (lib2funcs): Add _bswapsi2 and _bswapdi2.
	* simplify-rtx.c (simplify_const_unary_operation): Return
	0 for BSWAP.
	* libgcc-std.ver (__bwapsi2): Add.
	(__bswapdi2): Ditto.
	* reload1.c (eliminate_regs_1): Add bswap.
	(elimination_effects): Ditto.
	* config/i386/i386.h (x86_bswap): New.
	* config/i386/i386.c (x86_bswap): Set.

2006-10-31  Geoffrey Keating  <>

	* coverage.c (coverage_checksum_string): Update comment.
	* dwarf2out.c (switch_to_eh_frame_section): Update for removal
	of get_file_function_name.
	* cgraphunit.c (cgraph_build_static_cdtor): Update for rename
	of get_file_function_name_long.
	* tree.c (get_file_function_name): Rename from
	get_file_function_name_long; improve comment; handle 'I' and 'D'
	specially when the target has ctor/dtor support; remove special
	handling for 'F'.
	(get_file_function_name): Remove.
	* tree.h (get_file_function_name): Rename from
	(get_file_function_name): Remove prototype.

2006-10-31  Geoffrey Keating  <>

	* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
	* config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.

	* config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
	Call dsymutil when compiling and linking one or more source files
	in one step.

2006-10-31  Geoffrey Keating  <>

	PR 15834
	* config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.

2006-10-31  Geoffrey Keating  <>

	* c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
	inline static functions in c99 mode.

	PR 16622
	* doc/extend.texi (Inline): Update.
	* c-tree.h (struct language_function): Remove field 'extern_inline'.
	* c-decl.c (current_extern_inline): Delete.
	(pop_scope): Adjust test for an undefined nested function.
	Add warning about undeclared inline function.
	(diagnose_mismatched_decls): Update comments.  Disallow overriding
	of inline functions in a translation unit in C99.  Allow inline
	declarations in C99 at any time.
	(merge_decls): Boolize variables.  Handle C99 'extern inline'
	(grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
	C99 inline semantics.
	(start_function): Don't clear current_extern_inline.  Don't set
	(c_push_function_context): Don't push current_extern_inline.
	(c_pop_function_context): Don't restore current_extern_inline.

	PR 11377
	* c-typeck.c (build_external_ref): Warn about static variables
	used in extern inline functions.
	* c-decl.c (start_decl): Warn about static variables declared
	in extern inline functions.

2006-10-31  Roger Sayle  <>

	PR middle-end/23470
	* tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
	* fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
	pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
	or y is an even integer.

2006-10-31  Eric Botcazou  <>

	PR target/24071
	* gthr-posix.h (__gthread_active_p): New implementation on Solaris.
	* gthr-posix95.h (__gthread_active_p): Likewise.

2006-10-31  Richard Guenther  <>

	* config/i386/ (asindf2, asinsf2, asinxf2, acosdf2,
	acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
	expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
	exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
	ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
	lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
	lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
	btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on

2006-10-31  Steven Bosscher  <>

	* opts.c (decode_options): Disable CSE skip blocks.

2006-10-30  Dirk Mueller  <>

	* c-common.h (strict_aliasing_warning): Fix whitespace.
	* c-decl (start_function): Move code for main decl warning ..
	* c-common.c (check_main_parameter_types): .. here.
	* c-common.h (check_main_parameter_types): Declare.

2006-10-30  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.

2006-10-30  Pete Steinmetz  <>

	* recog.c (store_data_bypass_p): Add support to allow IN_INSN to
	be a PARALLEL containing sets.	Return false when out_pat is not
	a PARALLEL insn.

2006-10-30  Richard Sandiford  <>

	* config/mips/ (mul<mode>3): Split into...
	(mulsi3, muldi3): ...these separate patterns.

2006-10-30  Richard Sandiford  <>

	* config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
	but with each set of options separated by spaces.

2006-10-30  J"orn Rennecke  <>

	* unwind-dw2.c (uw_init_context_1): Fix test that checks if
	dwarf_reg_size_table has been initialized.

2006-10-30  Roger Sayle  <>

	* builtins.c (expand_builtin_mathfn_3): Correct coding style.
	* ddg.c (print_ddg_edge): Likewise.
	* dwarf2out.c (prune_unused_types_walk): Likewise.
	* ifcvt.c (noce_try_cmove_arith): Likewise.
	* langhooks.c (add_builtin_function): Likewise.
	* reg-stack.c (subst_stack_regs_pat): Likewise.
	* tree.c (expanded_location): Likewise.
	* tree-dump.c (dequeue_and_dump): Likewise.

2006-10-30  David Daney  <>

	* config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.

2006-10-30  Jakub Jelinek  <>

	PR tree-optimization/29637
	* tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
	of the innertype is the innertype itself.

2006-10-30  Danny Smith  <>

	* dwarf2out.c (file_name_acquire): Correct typo.

2006-10-29  Daniel Berlin  <>

	* tree.h (tree_value_handle): Remove struct value_set declaration.
	Change value_set to bitmap_set.
	* tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
	* tree-vn.c (get_value_handle): Made inline and moved to
	* tree-flow-inline.h: (has_stmt_ann): New function.
	* tree-ssa-pre.c (expressions): New variable.
	(next_expression_id): Ditto.
	(alloc_expression_id): New function.
	(struct value_set): Remove.
	(get_expression_id): New function.
	(get_or_alloc_expression_id): Ditto.
	(expression_for_id): Ditto.
	(clear_expression_ids): Ditto.
	(FOR_EACH_EXPR_ID_IN_SET): New macro.
	(bb_value_sets): Renamed to bb_bitmap_sets.
	All value sets replaced with bitmap_sets.
	Add visited member.
	(BB_VISITED): New macro.
	(postorder): New variable.
	(add_to_value): Removed.
	(value_exists_in_set_bitmap): Ditto.
	(value_insert_into_set_bitmap): Ditto.
	(set_new): Ditto.
	(set_copy): Ditto.
	(set_remove): Ditto.
	(set_contains_value): Ditto.
	(insert_into_set): Ditto.
	(set_equal): Ditto.
	(find_leader): Ditto.
	(bitmap_set_subtract_from_value_set): Ditto.
	(value_insert_into_set): Ditto.
	(print_value_set): Ditto.
	(debug_value_set): Ditto.
	(constant_expr_p): New function.
	(bitmap_remove_from_set): Ditto.
	(bitmap_insert_into_set): Ditto.
	(bitmap_set_free): Ditto.
	(vh_compare): Ditto.
	(sorted_array_from_bitmap_set): Ditto.
	(bitmap_set_subtract): Ditto.
	(bitmap_set_equal): Ditto.
	(debug_bitmap_set): Ditto.
	(find_leader_in_sets): Ditto.
	(bitmap_set_replace_value): Modify for bitmapped sets.
	(phi_translate): Ditto.
	(phi_translate_set): Ditto.
	(bitmap_find_leader): Ditto.
	(valid_in_sets): Ditto.
	(union_contains_value): Ditto.
	(clean): Ditto.
	(compute_antic_aux): Ditto.  Mark changed blocks.
	(compute_antic): Ditto. Iterate in postorder and only over
	changing blocks.
	(compute_rvuse_and_antic_safe): Reuse postorder.
	(create_component_ref_by_pieces): Modify for bitmapped sets.
	(find_or_generate_expression): Ditto.
	(create_expression_by_pieces): Ditto.
	(insert_into_preds_of_block): Ditto.
	(changed_blocks): New variable.
	(do_regular_insertion): Broken out from insert_aux.
	(insert_aux): Modified for bitmapped sets.
	(find_existing_value_expr): New function.
	(create_value_expr_from): Use it.
	(insert_extra_phis): Removed.
	(print_bitmap_set): Renamed from bitmap_print_value_set.
	(compute_avail): Handle RETURN_EXPR.
	(init_pre): Modify for bitmapped sets.
	* tree-flow.h (has_stmt_ann): New function.

2006-10-29  Roger Sayle  <>

	* builtins.c (fold_builtin_floor): Check for the availability of
	the C99 trunc function before transforming floor into trunc.

2006-10-29  Kaveh R. Ghazi  <>

	* builtins.c (fold_builtin_hypot): Rearrange recursive
	transformation before others, and also do ABS_EXPR.  When
	necessary, check flag_unsafe_math_optimizations.  When necessary,
	add fabs.

2006-10-29  Roger Sayle  <>

	* fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
	Fold ~X op C as X op' ~C, where op' is the swapped comparison.
	(fold_binary): ~X eq/ne C is now handled in fold_comparison.
	Fold -X eq/ne -Y as X eq/ne Y.

2006-10-29  Richard Sandiford  <>

	* config/mips/ (mul<mode>3): Check ISA_HAS_MUL3 rather than
	GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
	rather than GENERATE_MULT3_SI in the various define_peephole2s.
	(mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
	Use an inclusive test for "mult" rather than "mul".
	(rotr<mode>3): Depend on ISA_HAS_ROR.
	* config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
	(ISA_HAS_64BIT_REGS): Use consistent formatting.
	(ISA_HAS_MUL3): New macro.
	(ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
	(ISA_HAS_CLZ_CLO): Likewise.
	(ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
	the VR4120 and VR4130.
	(ISA_HAS_MACCHI): Use consistent formatting.
	(ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
	(ISA_HAS_ROR): ...this new macro.
	(ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.

2006-10-29  Roger Sayle  <>

	PR tree-optimization/15458
	* fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
	is a constant.

2006-10-29  Richard Guenther  <>

	* config/i386/i386-protos.h (ix86_expand_trunc): Declare.
	(ix86_expand_truncdf_32): Likewise.
	* config/i386/i386.c (ix86_expand_trunc): New function expanding
	trunc inline for SSE math and -fno-trapping-math and if not
	optimizing for size.
	(ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
	* config/i386/ (btruncsf2, btruncdf2): Adjust expanders
	for expanding btrunc inline for SSE math.

2006-10-29  Joseph Myers  <>

	* config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
	Handle tuning for bi-arch i[34567]86-*-linux* like that for
	* config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
	Define conditionally depending on TARGET_64BIT_DEFAULT.
	(SPEC_32, SPEC_64): Define.
	(LINK_SPEC): Use them.
	* doc/install.texi (--enable-targets=all): Document for x86-linux.

2006-10-29  Richard Guenther  <>

	* config/i386/i386-protos.h (ix86_expand_round): Declare.
	(ix86_expand_rounddf_32): Likewise.
	* config/i386/i386.c (ix86_expand_round): New function expanding
	round inline for SSE math and -fno-trapping-math and if not
	optimizing for size.
	(ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
	* config/i386/ (rounddf2, roundsf2): New pattern expanding
	round via ix86_expand_round.

2006-10-29  Richard Guenther  <>

	* config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
	(ix86_expand_floorceildf_32): Likewise.
	* config/i386/i386.c (ix86_expand_sse_compare_mask): New
	static helper function.
	(ix86_expand_floorceil): Expander for floor and ceil to SSE
	(ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
	* config/i386/ (floordf2): Adjust to enable floor
	expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
	-fno-trapping-math is enabled and if not optimizing for size.
	(floorsf2, ceildf2, ceilsf2): Likewise.
	* config/i386/ (sse_maskcmpsf3): New insn.
	(sse2_maskcmpdf3): Likewise.

2006-10-29  Richard Guenther  <>

	* builtins.c (expand_builtin_mathfn): Expand nearbyint as
	rint in case -fno-trapping-math is enabled.
	* config/i386/i386-protos.h (ix86_expand_rint): Declare.
	* config/i386/i386.c (ix86_gen_TWO52): New static helper function.
	(ix86_expand_sse_fabs): Likewise.
	(ix86_expand_rint): New function expanding rint to x87 or SSE math.
	* config/i386/ (rintdf2): Enable for SSE math if
	-fno-trapping-math is enabled, use ix86_expand_rint for expansion.
	(rintsf2): Likewise.

2006-10-29  Richard Guenther  <>

	* genopinit.c (optabs): Change lfloor_optab and lceil_optab
	to conversion optabs.
	* optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
	as conversion optab.
	* optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
	(enum convert_optab_index): Add COI_lfloor and COI_lceil.
	(lfloor_optab, lceil_optab): Adjust defines.
	* builtins.c (expand_builtin_int_roundingfn): Adjust for
	lfloor and lceil optabs now being conversion optabs.
	* config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
	* config/i386/i386.c (ix86_expand_sse_compare_and_jump):
	New static helper function.
	(ix86_expand_lfloorceil): New function to expand lfloor and
	lceil inline.
	* config/i386/ (lfloor<mode>2): Split into ...
	(lfloorxf<mode>2): ... x87 variant
	(lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
	using ix86_expand_lfloorceil.
	(lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
	* doc/md.texi (lfloorMN, lceilMN): Document.

2006-10-29  Richard Sandiford  <>

	* (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
	-mno-shared assembler option on mips targets.
	* configure, Regenerate.
	* config/mips/linux.h (NO_SHARED_SPECS): New macro.
	(DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
	* config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.

2006-10-29  Richard Sandiford  <>

	* config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
	as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.

2006-10-29  Kazu Hirata  <>

	* config/darwin.c, config/darwin.opt, config/ia64/,
	config/ia64/, real.c, tree-ssa-structalias.c: Fix
	comment typos.

2006-10-28  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
	(fold_builtin_pow): Evaluate constant arguments at compile-time
	using MPFR.
	(fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
	(do_mpfr_ckconv): New helper function.
	(do_mpfr_arg1): Use do_mpfr_ckconv.
	(do_mpfr_arg2): New.

2006-10-28  Andrew Pinski  <>

	PR tree-opt/29271
	* doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
	(-fdump-rtl-sched): Rename to ..
	(-fdump-rtl-sched1): here.  Also fix file extension number.

2006-10-28  Richard Guenther  <>

	* fold-const.c (maybe_canonicalize_comparison): Fix code
	to match comment.

2006-10-28  Uros Bizjak  <>

	* config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
	(STACK_REGNO_P): New macro.

2006-10-28  Eric Botcazou  <>

	* except.h (output_function_exception_table): Add 'const char*' param.
	* except.c (switch_to_exception_section): Add 'const char*' param.
	If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
	and flag_function_sections is set, use a function-specific section.
	(output_function_exception_table): Add 'const char*' param.
	Adjust call to switch_to_exception_section.
	* final.c (rest_of_handle_final): Adjust calls to
	* (HAVE_LD_EH_GC_SECTIONS): New check.
	* Regenerate.
	* configure: Likewise.

2006-10-28  Richard Guenther  <>

	PR middle-end/26899
	* fold-const.c (maybe_canonicalize_comparison_1): Helper
	for maybe_canonicalize_comparison.
	(maybe_canonicalize_comparison): New function for canonicalizing
	comparison trees.
	(fold_comparison): Call it to canonicalize comparisons with
	constants involved.

2006-10-28  Richard Guenther  <>

	PR target/28806
	* builtins.c (expand_builtin_int_roundingfn_2): Expand
	(expand_builtin): Adjust likewise.
	* genopinit.c (optabs[]): Add lround optab.
	* optabs.c (init_optabs): Initialize lround_optab.
	* optabs.h (enum convert_optab_index): Add COI_lround.
	(lround_optab): Define.
	* config/i386/i386-protos.h (ix86_expand_lround): Declare.
	* config/i386/i386.c (ix86_sse_copysign_to_positive): New
	static function.
	(ix86_expand_lround): New function.
	* config/i386/ (lround<mode>di2, lround<mode>si2):
	New expanders.
	* doc/md.texi (lroundMN2): Document.

2006-10-28 Uros Bizjak <>

	PR target/29377
	* config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
	argument to HOST_WIDE_INT.  Update function prototype.
	(round_frame_size): Change return type to HOST_WIDE_INT.  Change
	"size" argument to HOST_WIDE_INT.  Update function prototype.

2006-10-28 Uros Bizjak <>

	* config/i386/i386.c (output_387_ffreep): Create output from a
	template string for !HAVE_AS_IX86_FFREEP.

2006-10-27  Eric Christopher  <>

	* config/darwin.c: Fix formatting and grammar.

2006-10-27  Jan Hubicka  <>

	* builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
	to be thrown away soon when IGNORE is set.
	* tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
	indicating when return value shall not be computed.
	* gimplify.c (internal_get_tmp_var): Avoid random tree sharing.

2006-10-27  Vladimir Makarov  <>

	* config/i386/i386.h (TARGET_GEODE):
	(TARGET_CPU_CPP_BUILTINS): Add code for geode.
	(TARGET_CPU_DEFAULT_geode): New macro.
	the macro values.
	(processor_type): Add PROCESSOR_GEODE.

	* config/i386/ Include
	(cpu): Add geode.

	* config/i386/i386.c (geode_cost): New initialized global
	(m_GEODE, m_K6_GEODE): New macros.
	(x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
	x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
	x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
	x86_schedule): Use m_K6_GEODE instead of m_K6.
	(x86_movx, x86_cmove): Set up m_GEODE.
	(x86_integer_DFmode_moves): Clear m_GEODE.
	(processor_target_table): Add entry for geode.
	(processor_alias_table): Ditto.

	* config/i386/ New file.

	* doc/invoke.texi: Add entry about geode processor.

2006-10-27  Mike Stump  <>

	* config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
	__DYNAMIC__ from here back to ...
	* config/darwin.h (CPP_SPEC): ... here.

2006-10-26  Nathan Froyd  <>
	    Nathan Sidwell  <>

	* ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
	when choosing the minimum heapsize.

2006-10-26  Nathan Froyd <>

	* gcc/unwind-dw2.h: Move cfa-related variables into
	struct frame_state_reg_info to ensure that the CFA is properly
	handled when executing DW_CFA_{remember,restore}_state.
	* gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
	gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
	gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
	gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
	gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
	gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
	Modify to use new cfa_* fields.

2006-10-26  Andreas Krebbel  <>

	* config/s390/s390.c (s390_init_frame_layout): Check positive

2006-10-26  Ben Elliston  <>

	* gimplify.c (get_name): Remove extraneous break.
	(gimplify_omp_for): Initialise ret with GS_OK.

2006-10-25  Steve Ellcey  <>

	* config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
	Add unix98.o to link line.

2006-10-25  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
	Calculate compile-time constants using MPFR.
	(fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,

2006-10-25  Bob Wilson  <>

	* config/xtensa/lib2funcs.S: Use C-style comments.

2006-10-24  Nathan Froyd  <>

	* dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
	(file_table_relative_p): Likewise.
	(dwarf2out_finish): Likewise.
	(file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.

2006-10-25  Daniel Berlin  <>

	* tree-ssa-structalias.c (intra_create_variable_infos):
	  Don't recreate nonlocal_all if it already exists.

2006-10-25  Richard Guenther  <>

	PR target/28803
	* optabs.h (enum optab_index): Remove OTI_lrint.
	(enum convert_optab_index): Add COI_lrint.
	(lrint_optab): Adjust.
	(expand_sfix_optab): Declare.
	* optabs.c (expand_sfix_optab): New function.
	(init_optabs): Init lrint_optab as conversion optab.
	* genopinit.c (lrint_optab): Change to a conversion optab.
	* builtins.c (expand_builtin_int_roundingfn_2): Adjust to
	expansion via conversion optab.
	* config/i386/ (*fistdi2_1): Remove
	flag_unsafe_math_optimizations guard.
	(fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
	fist<mode>2_with_temp): Likewise.
	(lrint<mode>2): Split into...
	(lrintxf<mode>2): ... x87 part
	(lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
	* config/i386/ (sse_cvtss2si_2, sse_cvtss2_siq_2,
	sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
	UNSPEC_FIX_NOTRUNC matching non-vector float modes.
	* doc/md.texi (lrintMN2): Document.

2006-10-25  Uros Bizjak  <>

	PR target/28909
	* config/i386/ ("sync_add<mode>", "sync_sub<mode>"):
	Use inc and dec instructions for TARGET_USE_INCDEC.
	("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
	("sync_double_compare_and_swap<mode>"): Likewise.
	("*sync_double_compare_and_swapdi_pic"): Likewise.
	("*sync_compare_and_swap_cc<mode>"): Likewise.
	("sync_double_compare_and_swap_cc<mode>"): Likewise.
	("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
	("sync_old_add<mode>"): Likewise.
	("sync_lock_test_and_set<mode>"): Likewise.
	("sync_lock_test_and_set<mode>"): Likewise.
	("sync_add<mode>"): Likewise.
	("sync_sub<mode>"): Likewise.
	("sync_ior<mode>"): Likewise.
	("sync_and<mode>"): Likewise.
	("sync_xor<mode>"): Likewise.

2006-10-25  Uros Bizjak  <>

	* optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
	(remainder_optab): Define corresponding macro.
	(drem_optab): Remove.
	* optabs.c (init_optabs): Initialize remainder_optab.  Remove
	drem_optab initialization.
	* genopinit.c (optabs): Implement remainder_optab using
	remainder?f3 patterns.  Remove drem_optab.
	* builtins.c (expand_builtin_mathfn_2): Handle
	BUILT_IN_REMAINDER{,F,L} using remainder_optab.
	(expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using

	(expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
	depend on flag_unsafe_math_optimizations.

	* config/i386/ ("remaindersf3", "remainderdf3")
	("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
	Do not depend on flag_unsafe_math_optimizations.  Use
	truncxf?f expander instead of truncxf?f_i387_noop.

	("fpremxf4", "fprem1xf4"): Do not depend on
	("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
	flag_unsafe_math_optimizations.  Use truncxf?f expander
	instead of truncxf?f_i387_noop.

	* doc/md.texi (fmod, remainder): Document standard named pattern.

2006-10-24  Richard Sandiford  <>
	    David Daney  <>

	PR middle-end/29519
	* rtlanal.c (nonzero_address_p):  Remove check for values wrapping.

2006-10-25  Ben Elliston  <>

	* doc/extend.texi (Variable Attributes): Typo fix.

2006-10-24  Uros Bizjak  <>

	* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
	(REG_ALLOC_ORDER): Add one element to allocate fpcr register.
	(FRAME_POINTER_REGNUM): Update register number to 21.
	(REG_CLASS_CONTENTS): Update contents for added fpcr register.
	(HI_REGISTER_NAMES): Add "fpcr" for fpcr register.

	* config/i386/i386.c (regclass_map): Add fpcr entry.
	(dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
	Add fpcr entry.
	(print_reg): Assert REGNO (x) != FPCR_REG.

	* config/i386/ (FPCR_REG, R11_REG): New constants.
	(DIRFLAG_REG): Renumber.
	(x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
	(*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
	(sse_prologue_save, *sse_prologue_save_insn): Renumber
	hardcoded SSE register numbers.

	* config/i386/ (mmx_emms, mmx_femms): Renumber
	hardcoded MMX register numbers.

2006-10-24  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
	(do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
	Update all callers.
	(BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
	BUILT_IN_TANH): Calculate compile-time arguments using MPFR.

2006-10-24  Richard Guenther  <>

	PR middle-end/28796
	* builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
	for deciding optimizations in consistency with fold-const.c
	(fold_builtin_unordered_cmp): Likewise.

2006-10-24  Richard Guenther  <>

	* builtins.c (fold_builtin_floor): Fold floor (x) where
	x is nonnegative to trunc (x).
	(fold_builtin_int_roundingfn): Fold lfloor (x) where x is
	nonnegative to FIX_TRUNC_EXPR.

2006-10-24  Richard Guenther  <>

	PR tree-optimization/29567
	* tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
	for TRUTH_NOT_EXPR.  Clarify comments.

2006-10-24  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (fold_builtin_exponent): Evaluate constant arguments
	at compile-time using MPFR.  Change parameter VALUE to FUNC,
	update all callers.
	(do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
	for overflow and underflow at all times and avoid folding in
	those cases.

2006-10-24  Ben Elliston  <>

	* reload1.c: Formatting fixes.

2006-10-23  Zdenek Dvorak <>

	PR tree-optimization/14784
	* tree-flow.h (struct var_ann_d): Add is_heapvar bit.
	* tree-ssa-structalias.c (get_constraint_for,
	intra_create_variable_infos): Set is_heapvar.
	* tree-ssa-operands.c (access_can_touch_variable): Do not handle
	non-heapvar pointer variables specially.

2006-10-23  Kaveh R. Ghazi  <>

	PR middle-end/29335
	* builtins.c (fold_builtin_sin, fold_builtin_cos,
	fold_builtin_tan): Fold all constant arguments.  Take a "type"
	argument as necessary.
	(do_mpfr_arg1): New.
	* real.c, real.h (real_from_mpfr, mpfr_from_real): New.

2006-10-23  Bob Wilson  <>

	* config/xtensa/lib1funcs.asm: Use C-style comments.

2006-10-23 Rafael Ávila de Espíndola  <>

	* tree.c (local_define_builtin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
	* c-tree.h (builtin_function): Rename to c_builtin_function. Change
	the signature.
	* c-decl.c (builtin_function): Rename to c_builtin_function. Move
	common code to add_builtin_function.
	* langhooks.c (add_builtin_function): New function.
	(lhd_builtin_function): New function.
	* langhooks.h (struct lang_hooks): Change the signature of
	(add_builtin_function): New function.
	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
	calls to lang_hooks.builtin_function with add_builtin_function.
	* c-common.c (decl_builtin_1): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/alpha/alpha.c (alpha_init_builtins): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/frv/frv.c (def_builtin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/s390/s390.c (s390_init_builtins): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/sparc/sparc.c (def_builtin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/i386/i386.c (def_builtin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/sh/sh.c (sh_media_init_builtins): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/c4x/c4x.c (c4x_init_builtins): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/stormy16/stormy16.c (xstormy16_init_builtins):
	Replace calls to lang_hooks.builtin_function with
	* config/iq2000/iq2000.c (def_builtin):
	Replace calls to lang_hooks.builtin_function with
	* config/ia64/ia64.c (def_builtin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/rs6000/rs6000.c (def_builtin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	(altivec_init_builtins): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/arm/arm.c (def_mbuiltin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	(arm_init_tls_builtins): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/mips/mips.c (mips_init_builtins): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* config/bfin/bfin.c (def_builtin): Replace calls to
	lang_hooks.builtin_function with add_builtin_function.
	* langhooks-def.h (lhd_builtin_function): New function.
	(LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.

2006-10-23  Jakub Jelinek  <>

	* builtins.c (expand_builtin, maybe_emit_chk_warning): Handle

2006-10-23  Jan Hubicka  <>

	* builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
	don't do conversion from memmove to memcpy here.
	(expand_builtin_bcopy, expand_builtin): Update call of
	(fold_builtin_memory_op): Do folding of memmove to memcpy here.

2006-10-23  Paul Brook  <>

	* stor-layout.c (start_record_layout): maximum_field_alignment

2006-10-23  Ulrich Weigand  <>

	* config/s390/ ("bras_sym_operand"): Do not accept
	nonlocal function symbols if flag_pic.

2006-10-23  Richard Guenther  <>

	PR middle-end/27132
	PR middle-end/23295
	* builtins.c (fold_binary): Remove checks for flag_wrapv
	and flag_trapv where negate_expr_p covers these cases.

2006-10-23  Richard Guenther  <>

	PR middle-end/29548
	* fold-const.c (fold_plusminus_mult_expr): Check exact power
	of two on the absolute value.
	(fold_binary): Fold x * -C to -x * C if x is easily negatable
	and negating -C does not overflow.

2006-10-23  Richard Guenther  <>

	PR middle-end/21032
	* convert.c (convert_to_real): Fold (float)-x to -(float)x
	only if not flag_rounding_math.

2006-10-22  Richard Sandiford  <>
	    Kaz Kojima  <>

	PR target/28232
	* config/sh/sh.c (expand_block_move): Use a BLKmode rather than
	SImode memory reference for the source of a movua.
	* config/sh/ (UNSPEC_MOVUA): New macro.
	(movua): Use an unspec instead of sign_extract.  Expect the source
	to have mode BLKmode.
	(extv, insv): Use a BLKmode rather than SImode memory reference
	for the source of a movua.

2006-10-22  Jeff Law  <>
	Richard Guenther  <>

	PR tree-optimization/15911
	* tree-vrp.c (extract_code_and_val_from_cond): New function.
	(register_edge_assert_for_1): Likewise.
	(register_edge_assert_for): Handle &&/&/||/| in conditionals.
	(find_conditional_asserts): Adjust for new function signature.
	(find_assert_locations): Likewise.

2006-10-22  H.J. Lu  <>

	* config/i386/tmmintrin.h: Remove the duplicated content.

2006-10-22  H.J. Lu  <>

	* config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
	(x86_64-*-*): Likewise.

	* config/i386/i386.c (pta_flags): Add PTA_SSSE3.
	(override_options): Check SSSE3.
	(ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
	(bdesc_2arg): Add SSSE3.
	(bdesc_1arg): Likewise.
	(ix86_init_mmx_sse_builtins): Support SSSE3.
	(ix86_expand_builtin): Likewise.
	* config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.

	* config/i386/ (UNSPEC_PSHUFB): New.
	(UNSPEC_PSIGN): Likewise.
	(UNSPEC_PALIGNR): Likewise.
	Include before

	* config/i386/i386.opt: Add -mssse3.

	* config/i386/ (ssse3_phaddwv8hi3): New pattern for SSSE3.
	(ssse3_phaddwv4hi3): Likewise.
	(ssse3_phadddv4si3): Likewise.
	(ssse3_phadddv2si3): Likewise.
	(ssse3_phaddswv8hi3): Likewise.
	(ssse3_phaddswv4hi3): Likewise.
	(ssse3_phsubwv8hi3): Likewise.
	(ssse3_phsubwv4hi3): Likewise.
	(ssse3_phsubdv4si3): Likewise.
	(ssse3_phsubdv2si3): Likewise.
	(ssse3_phsubswv8hi3): Likewise.
	(ssse3_phsubswv4hi3): Likewise.
	(ssse3_pmaddubswv8hi3): Likewise.
	(ssse3_pmaddubswv4hi3): Likewise.
	(ssse3_pmulhrswv8hi3): Likewise.
	(ssse3_pmulhrswv4hi3): Likewise.
	(ssse3_pshufbv16qi3): Likewise.
	(ssse3_pshufbv8qi3): Likewise.
	(ssse3_psign<mode>3): Likewise.
	(ssse3_psign<mode>3): Likewise.
	(ssse3_palignrti): Likewise.
	(ssse3_palignrdi): Likewise.
	(abs<mode>2): Likewise.
	(abs<mode>2): Likewise.

	* config/i386/tmmintrin.h: New file.

	* doc/extend.texi: Document SSSE3 built-in functions.

	* doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.

2006-10-22  Ira Rosen  <>

	* tree-vect-transform.c (vectorizable_load): Use the type of the
	return value of the mask_for_load builtin to create realign_load

2006-10-22  Richard Sandiford  <>

	* config/mips/mips.c (mips_split_const): Don't accept bare PLUS

2006-10-21  H.J. Lu  <>

	* config/i386/ (UNSPEC_LDQQU): Renamed to ...
	* config/i386/ (sse3_lddqu): Updated.

2006-10-21  Richard Guenther  <>

	* builtins.c (expand_builtin_int_roundingfn_2): New function.
	(expand_builtin): Use it to expand lrint instead of

2006-10-21  Uros Bizjak  <>

	PR middle-end/28252
	* builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
	flag_unsafe_math_optimizations is set.

2006-10-21  Uros Bizjak  <>

	PR target/19398
	* config/i386/ (fix_trunc?f?i_sse): Add peephole2
	patterns to use memory input operand in x87->mem->XMM
	reload sequences.  Skip transformation for TARGET_K8.

2006-10-21  Uros Bizjak  <>

	* config/i386/ (extendsfdf2, extendsfxf2, extenddfxf2): Do not
	force operand1 to register if both operands are memory operands.
	(*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
	(*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
	if both operands are memory operands.
	(truncdfsf2): Do not force operand1 to register if both operands
	are memory operands.

2006-10-21  Kaveh R. Ghazi  <>

	* (LIBS): Add $(GMPLIBS).
	* doc/install.texi: Update GMP and MPFR requirements.
	* doc/sourcebuild.texi (need_gmp): Delete.

2006-10-21  Richard Guenther  <>

	PR tree-optimization/3511
	* tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
	got new invariant arguments during PHI translation.

2006-10-21  Richard Guenther  <>

	PR middle-end/26898
	* fold-const.c (fold_comparison): Fold signed comparisons
	of the form X +- C1 CMP Y +- C2.

2006-10-21  Richard Guenther  <>

	PR target/19116
	* config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
	if flag_unsafe_math_optimizations is specified.  We have
	flag_finite_math_only for that.
	* config/i386/ (sqrtxf2): Do not require TARGET_IEEE_FP
	or flag_unsafe_math_optimizations.

2006-10-21  Richard Guenther  <>

	* builtins.c (fold_builtin_classify): Fix typo.

2006-10-21  Richard Guenther  <>

	PR middle-end/28796
	* simplify-rtx.c (simplify_const_relational_operation):
	Do not constant-fold ORDERED and UNORDERED for
	flag_unsafe_math_optimizations but only we do not need to
	honor NaNs for the given mode.

2006-10-21  Richard Guenther  <>

	PR target/29512
	* config/i386/i386.c (classify_argument): Remove redundant
	walking of the BINFOs.
	(contains_128bit_aligned_vector_p): Likewise.

2006-10-20  Mark Mitchell  <>

	* BASE-VER: Set to 4.3.0.

2006-10-20  Daniel Berlin  <>

	* tree.h (DECL_PTA_ARTIFICIAL): Remove.
	(tree_decl_with_vis): Remove artificial_pta_var flag.
	* tree-flow.h (referenced_var_check_and_insert): Expose.
	(nonlocal_all): New prototype.
	* tree-ssa-structalias.c (nonlocal_for_type): Remove.
	(nonlocal_all): Make global.
	(nonlocal_lookup): Remove.
	(nonlocal_insert): Ditto.
	(create_nonlocal_var): Do not call nonlocal_insert.
	(get_nonlocal_id_for_type): Remove.
	(find_global_initializers): Mark new vars we find for renaming.
	(intra_create_variable_infos): Only create one nonlocal.
	(expand_nonlocal_solutions): Remove.
	(compute_points_to_sets): Don't call it.
	(ipa_pta_execute): Ditto.
	(init_alias_heapvars): Don't create nonlocal_for_type.
	(delete_alias_heapvars): Don't remove it.
	* tree-ssa-operands.c (access_can_touch_variable): Don't prune

2006-10-19  Brooks Moses  <>

	* doc/install.texi (Downloading GCC): Clarify mention of
	Fortran in the "full distribution" description.

2006-10-19  Daniel Berlin  <>

	Fix PR tree-optimization/28778
	Fix PR tree-optimization/29156
	Fix PR tree-optimization/29415
	* tree.h (DECL_PTA_ARTIFICIAL): New macro.
	(tree_decl_with_vis): Add artificial_pta_var flag.
	* tree-ssa-alias.c (is_escape_site): Remove alias info argument,
	pushed into callers.
	* tree-ssa-structalias.c (nonlocal_for_type): New variable.
	(nonlocal_all): Ditto.
	(struct variable_info): Add directly_dereferenced member.
	(var_escaped_vars): New variable.
	(escaped_vars_tree): Ditto.
	(escaped_vars_id): Ditto.
	(nonlocal_vars_id): Ditto.
	(new_var_info): Set directly_dereferenced.
	(graph_size): New variable
	(build_constraint_graph): Use graph_size.
	(solve_graph): Don't process constraints that cannot change the
	solution, don't try to propagate an empty solution to our
	(process_constraint): Set directly_dereferenced.
	(could_have_pointers): New function.
	(get_constraint_for_component_ref): Don't process STRING_CST.
	(nonlocal_lookup): New function.
	(nonlocal_insert): Ditto.
	(create_nonlocal_var): Ditto.
	(get_nonlocal_id_for_type): Ditto.
	(get_constraint_for): Allow results vector to be empty in the case
	of string constants.
	Handle results of calls properly.
	(update_alias_info): Update alias info stats on number and type of
	(find_func_aliases): Use could_have_pointers.
	(make_constraint_from_escaped): Renamed from
	make_constraint_to_anything, and changed to make constraints from
	escape variable.
	(make_constraint_to_escaped): New function.
	(find_global_initializers): Ditto.
	(create_variable_info_for): Make constraint from escaped to any
	global variable, and from any global variable to the set of
	escaped vars.
	(intra_create_variable_infos): Deal with escaped instead of
	pointing to anything.
	(set_uids_in_ptset): Do type pruning on directly dereferenced
	(find_what_p_points_to): Adjust call to set_uids_with_ptset.
	(init_base_vars): Fix comment, and initialize escaped_vars.
	(need_to_solve): Removed.
	(find_escape_constraints): New function.
	(expand_nonlocal_solutions): Ditto.
	(compute_points_to_sets): Call find_escape_constraints and
	(delete_points_to_sets): Don't fall off the end of the graph.
	(init_alias_heapvars): Initialize nonlocal_for_type and
	(delete_alias_heapvars): Free nonlocal_for_type and null out

2006-10-19  Eric Botcazou  <>

	* fold-const.c (add_double): Rename to add_double_with_sign.
	Add 'unsigned_p' parameter and take it into account for the overflow.
	(mul_double): Rename to mul_double_with_sign.
	Add 'unsigned_p' parameter and take it into account for the overflow.
	(fold_div_compare): Call add_double_with_sign instead of add_double
	and mul_double_with_sign instead of mul_double, passing them the
	unsignedness of the type.
	* tree.h (add_double): Macroize.
	(add_double_with_sign): New prototype.
	(mul_double): Macroize.
	(mul_double_with_sign): New prototype.

2006-10-19  Chen Liqin  <>

	* config/score/crti.asm: New file.
	* config/score/crtn.asm: New file.
	* config/score/elf.h: New file.
	* config/score/ New file.
	* config/score/ New file.
	* config/score/mul-div.S: New file.
	* config/score/ New file.
	* config/score/ New file.
	* config/score/score.c: New file.
	* config/score/score-conv.h: New file.
	* config/score/score.h: New file.
	* config/score/ New file.
	* config/score/score-mdaux.c: New file.
	* config/score/score-mdaux.h: New file.
	* config/score/score-modes.def: New file.
	* config/score/score.opt: New file.
	* config/score/score-protos.h: New file.
	* config/score/score-version.h: New file.
	* config/score/t-score-elf: New file.
	* config.gcc: Add score*-*-* configurations(Update before).
	* doc/invoke.texi (Score Options): New section.
	* doc/md.texi (Score family): New section to document constraints.

2006-10-19  Nick Clifton  <>

	* config/arm/arm.c: Fix spelling typo.

2006-10-18  Tom Tromey  <>

	* doc/install.texi (Prerequisites): Mention automake 1.9.6.

2006-10-18  Jan Hubicka  <>

	PR middle-end/29299
	* cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
	are used.

2006-10-18  Marcin Dalecki  <>

	* omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
	TSI_SAME_STMT, since that's the desired entity.

2006-10-17  Wolfgang Gellerich  <>

	* config/s390/ New file.
	* config/s390/s390-protos.h (s390_mem_constraint,
	s390_O_constraint_str, s390_N_constraint_str,
	s390_float_const_zero_p): Function prototypes added.
	* config/s390/s390.c (s390_extra_constraint_str,
	s390_const_ok_for_constraint_p): Functions removed.
	(s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
	s390_float_const_zero_p): New functions.
	Macro definitions removed.
	(s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
	s390_extra_constraint_str): Functions removed.

2006-10-17  Andrew Pinsiki  <>
	    Richard Sandiford  <>

	PR target/29413
	* config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
	* config/mips/mips.h (CC1_SPEC): Override any earlier definition.

2006-10-16  Geoffrey Keating  <>

	* config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
	(DWARF2_FRAME_REG_OUT): Likewise.
	* config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
	(DWARF2_FRAME_REG_OUT): Likewise.

2006-10-17  Paul Brook  <>

	* config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.

2006-10-16  Brooks Moses  <>

	* doc/contrib.texi, doc/install.texi, doc/standards.texi:
	Standardize on "GNU Fortran" as the official name of the Fortran

2006-10-16  Mike Stump  <>

	* doc/invoke.texi (Darwin Options): Document -mkernel.
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
	-mkernel support.
	(C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
	(CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
	* config/i386/i386.c (override_options): Add
	* config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
	-mkernel, -static or -mdynamic-no-pic is given.
	* config/darwin.opt (fapple-kext): Add.
	(mkernel): Add.
	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
	-fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
	-mkernel support.
	(CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
	(SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
	(flag_mkernel): Add.
	(flag_apple_kext): Add.
	* config/darwin.c (darwin_handle_kext_attribute): Add.
	(darwin_binds_local_p): Add partial support for rebinding vtables
	in kexts.
	(darwin_kextabi_p): Add.
	(darwin_override_options): Add.
	* config/darwin-protos.h (darwin_handle_kext_attribute): Add.
	(darwin_kextabi_p): Add.
	(darwin_override_options): Add.
	* config/darwin-c.c (darwin_cpp_builtins): ... move defines for
	__DYNAMIC__ and __STATIC__ here.

2006-10-16  Brooks Moses  <>

	* doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
	Added mention of "make pdf" target, and Texinfo requirements for

2006-10-16  DJ Delorie  <>

	* config/s390/s390.c (s390_decompose_address): Allow symbol+offset
	into the GOT in case we need a subreg of the address.

2006-10-16  Richard Guenther  <>

	PR target/25519
	* doc/extend.texi (X86 Built-in Functions): Fix typos in
	SSE builtin documentation.  Document SSE2 builtins.

2006-10-15  John David Anglin  <>

	* pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
	symbol in the output file for non-shared links when -nostdlib or
	-nodefaultlibs isn't specified.

	* config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
	posix thread support.

2006-10-15  Jan Hubicka  <>

	PR middle-end/29241
	* cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
	declared always_inline even when not inlining.

2006-10-15  Eric Botcazou  <>
	    John David Anglin  <>
	    Andrew Pinski  <>

	PR middle-end/29111
	* builtins.c (get_pointer_alignment): Return 0 if TER is not run.

2006-10-15  Jan Hubicka  <>
	    Richard Guenther  <>

	PR middle-end/29299
	* cgraphunit.c (cgraph_finalize_compilation_unit): Call
	process_function_and_variable_attributes on all variables, including
	those discovered during cgraph construction phase.

2006-10-15  Bernhard Fischer  <>

	* final.c: Update Copyright year. Commentary typo fix. Fix whitespace

2006-10-14  Uros Bizjak  <>

	* config/i386/ (athlon_fist): Add fisttp.

2006-10-13  David Edelsohn  <>
	    Ian Lance Taylor  <>

	PR middle-end/29250
	* expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,

2006-10-14  Kazu Hirata  <>

	* config/score/score.c, config/score/score.h: Fix comment

2006-10-13  Kaveh R. Ghazi  <>

	PR bootstrap/29402
	* (ALL_GTFILES_H): Use $(sort ...) instead of
	shell pipeline.

2006-10-13  Eric Christopher  <>

	* config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2006-10-13  Carlos O'Donell  <>

	Revert this change:
	2006-10-13  Carlos O'Donell  <>
	* config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
	alignment supported by 32-bit ELF.

2006-10-13  Eric Christopher  <>

	* config/darwin.c (darwin_emit_unwind_label): Strip
	name encoding. Use DECL_ASSEMBLER_NAME_SET_P.

2006-10-13  Richard Guenther  <>

	PR tree-optimization/29446
	* tree-vrp.c (fix_equivalence_set): Remove.
	(extract_range_from_assert): Do not call fix_equivalence_set.
	(debug_value_range): Print a newline.
	(compare_name_with_value): For equivalence sets with
	inconsistent value ranges conservatively bail out.
	(compare_names): Likewise.

2006-10-13  David Edelsohn  <>

	* doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
	and MPFR for gfortran.

2006-10-13  Carlos O'Donell  <>

	* config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
	alignment supported by 32-bit ELF.

2006-10-13  Paolo Bonzini  <>

	PR c/29092

	* c-typeck.c (digest_init): Always allow initializing vectors
	that have static storage duration with compound literals.
	* tree.c (build_type_attribute_qual_variant): New, based on
	(build_type_attribute_variant): Rewrite using the former.
	(make_vector_type): Use build_type_attribute_qual_variant to build
	type variants.  Use type_hash_canon on the others.

2006-10-13  Daniel Berlin <>
	    Ramana Radhakrishnan  <>

	* tree-flow-inline.h (zero_ssa_operands): Fix comment.

2006-10-12  Jan Hubicka  <>

	PR c/28419
	* c-decl.c (c_make_fname_decl): Do not segfault in case where
	current_function_decl is set but current_function_scope is not.

2006-10-12  Jie Zhang  <>

	* config/bfin/ (eh_return): Call emit_jump_insn instead of
	emit_insn to emit eh_return_internal instruction.
	(eh_return_internal): Explicitly set pc.

2006-10-11  Richard Guenther  <>

	PR tree-optimization/28230
	* tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
	to the correct place.

2006-10-11  Richard Guenther  <>

	PR inline-asm/29119
	* gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue

2006-10-10  Brooks Moses  <>

	* Added pdf to "Make-hooks"
	* Added TEXI2PDF definition, and various pdf-file
	targets and *.pdf file patterns in cleanup targets.
	* configure: Regenerated.

2006-10-10  Anatoly Sokolov <>

	* config/avr/ New file.
	* config/avr/ Include it.
	(REG_SP): New constant.
	(peepholes): Use predicates.
	(sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
	difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
	sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.

2006-10-10  Adam Nemet  <>

	* config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
	avoid alias set 0.

2006-10-10  Jakub Jelinek  <>

	PR middle-end/29272
	* builtins.c (var_decl_component_p): New function.
	(fold_builtin_memset, fold_builtin_memory_op): Restrict
	single entry optimization to variables and components thereof.

2006-10-10  Richard Guenther  <>

	PR rtl-optimization/29323
	* except.c (set_nothrow_function_flags): For functions
	that do not bind local bail out early.

2006-10-10  Ben Elliston  <>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
	-mdlmzb option.

2006-10-09  Richard Henderson  <>

	Revert emutls patch.

2006-10-09  Richard Guenther  <>

	PR middle-end/29254
	* cgraphunit.c (verify_cgraph_node): Bail out on earlier

2006-10-09  Steve Ellcey  <>

	PR target/27880
	* unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
	* (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
	* configure: Regenerate.
	* Regenerate.

2006-10-09  Aldy Hernandez  <>

	* tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.

2006-10-08  Richard Sandiford  <>

	* config/mips/mips.c (mips_legitimize_tls_address): Implement
	all TLS models in the same way as local exec if !TARGET_ABICALLS.
	Remove stray newline.

2006-10-08  Richard Sandiford  <>

	* config/mips/mips.c (mips_classify_symbol): Do not return
	(mips_in_small_data_p): Tweak comments.

2006-10-08  Richard Sandiford  <>

	* config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.

2006-10-07  Kazu Hirata  <>

	* gimplify.c, sched-int.h: Fix comment typos.

	* sched-int.h: Fix comment typos.

2006-10-06  Maxim Kuvyrkov  <>

	New macros.
	* sched-ebb.c (begin_schedule_ready): Use them.
	* haifa-sched.c (schedule_insn, move_insn, try_ready,
	add_to_speculative_block, create_check_block_twin, speculate_insn,
	fix_jump_move, move_block_after_check): Ditto.
	* sched-rgn.c (new_ready): Ditto.

2006-10-06  Maxim Kuvyrkov  <>

	PR rtl-optimization/29128
	* sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
	* sched-ebb.c (advance_target_bb): Use it to fix condition to
	allow interblock movement of speculation checks.

2006-10-06  Zdenek Dvorak <>

	PR middle-end/29256
	* tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
	casted to integer type.
	(get_address_cost): Decrease cost of [symbol + index] addressing modes
	if they are significantly more expensive than [reg + index] ones.

2006-10-06  Jakub Jelinek  <>

	PR tree-optimization/29330
	* tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
	(initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
	on newly allocated ddrs.
	(find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
	to VEC (loop_p, heap) pointer.
	(compute_data_dependences_for_loop): Adjust caller.
	(free_dependence_relations): Free DDR_LOOP_NEST.

	* tree-loop-linear.c (linear_transform_loops): Don't forget to

	PR target/28924
	* builtins.c (expand_builtin_sync_operation,
	expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
	Use convert_to_mode to handle promoted arguments.

2006-10-06  J"orn Rennecke  <>

	* print-tree.c (print_node_brief, print_node): Print sign of Inf.

2006-10-06  J"orn Rennecke  <>

	* config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.

2006-10-05  Uros Bizjak  <>

	* config/i386/ ("sync_add<mode>", "sync_sub<mode>",
	"sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
	Use <modeconstraint> instead of "r" as operand 1 constraint.

2006-10-06  Olivier Hainque  <>

	* gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
	Don't recurse on the pointed-to type.
	* c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
	DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
	types with components of variable size.

2006-10-06  Danny Smith  <>

	* config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.

2006-10-06  Jakub Jelinek  <>

	PR tree-optimization/29290
	* tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
	multiple exits.

	PR target/29198
	* config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
	* config/i386/ (local_symbolic_operand): Likewise.

	PR c/29091
	* varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
	the number of vector elements fill the rest with zeros.

2006-10-05  Richard Sandiford  <>

	* config/mips/mips.c (mips_pass_by_reference): Do not return false
	for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE

2006-10-05  Bernd Schmidt  <>

	* config/bfin/ (subsi3): Lose expander, change previously
	unnamed pattern into subsi3.  Use correct constraints/predicates.
	* config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
	* config/bfin/ (reg_or_neg7bit_operand_p): New.

2006-10-05  Ira Rosen  <>

	* doc/loop.texi: Add data references analysis description.

2006-10-04  Brooks Moses  <>

	* doc/gcov.texi: Add formatting to "Invoking gcov" section head.

2006-10-04  Richard Henderson  <>
	    Jakub Jelinek  <>

	* (, LIBGCC_DEPS): Add emutls.c.
	* builtin-types.def (BT_WORD): Make unsigned.
	* builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
	* c-decl.c (grokdeclarator): Don't error if !have_tls.
	* c-parser.c (c_parser_omp_threadprivate): Likewise.
	* cgraph.c (decide_is_variable_needed): Look at force_output.
	Recurse for emulated tls.
	* cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
	checks redundant with decide_is_variable_needed.
	(cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
	* dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
	emulated tls.
	* expr.c (emutls_var_address): New.
	(expand_expr_real_1): Expand emulated tls.
	(expand_expr_addr_expr_1): Likewise.
	* libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
	* output.h (emutls_finish): Declare.
	* toplev.c (compile_file): Call it.
	* tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
	address before wrapping in CONST.
	* varasm.c (emutls_htab, emutls_object_type): New.
	(get_emutls_object_name, get_emutls_object_type): New.
	(get_emutls_init_templ_addr, emutls_decl): New.
	(emutls_common_1, emutls_finish): New.
	(assemble_variable): When emulating tls, swap decls; generate
	constructor for the emutls objects.
	(do_assemble_alias): When emulating tls, swap decl and target name.
	(default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
	for emulated tls.
	* emutls.c: New file.
	* config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
	tls_object for real tls.

2006-10-04  Zack Weinberg  <>

	Fix bug in constraint-check generator, reported by Rask Ingemann
	* genpreds.c (add_constraint): Don't remove anything from the
	expression here.
	(write_tm_constrs_h): Detect whether "op" argument is used, and
	mark it ARG_UNUSED if it isn't.
	(write_insn_const_int_ok_for_constraint): Skip the part of the
	expression that would test whether "op" (which is not available
	here) is a CONST_INT.

2006-10-04  Ryan Mansfield  <>

	PR c++/28448
	* doc/invoke.texi (fdiagnostics-show-option): Fix typos.

2006-10-03  Geoffrey Keating  <>

	* config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
	current Leopard versions.
	* config/rs6000/darwin-libgcc.10.5.ver: Likewise.

2006-10-03  Kazu Hirata  <>

	* doc/install.texi: Fix typos.

2006-10-03  Eric Botcazou  <>

	* builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
	* doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
	* config/sparc/sparc.h (FRAME_ADDR_RTX): Define.

2006-10-02  Jack Howarth  <>

	* unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
	arg to be struct mach_header_64* instead.

2006-10-02  Jakub Jelinek  <>

	PR c/29154
	* gimplify.c (gimplify_self_mod_expr): Run inner expression's post
	side effects after the outer expression's post side effects.

2006-10-01  Sandra Loosemore  <>

	comments to reflect actual behavior and relationship between

	* doc/c-tree.texi (Working with declarations): Fix documentation
	of FIELD_DECL likewise.

2006-10-01  Ryan Mansfield  <>

	PR c/20533
	* doc/extend.texi: Add used variable attribute description.

2006-09-30  Joseph S. Myers  <>

	PR c/24010
	* c.opt (Woverride-init): New.
	* c-opts.c (c_common_post_options): Default warn_override_init to
	* c-typeck.c (add_pending_init, output_init_element): Warn for
	overriding initializers without side effects.
	* doc/invoke.texi (-Woverride-init): Document.
	(-Wextra): Update.

2006-09-30  Eric Botcazou  <>

	PR rtl-optimization/28096
	* ifcvt.c (check_cond_move_block): Return FALSE if the source of an
	assignment has already been used as a destination earlier in the block.

2006-09-29  Eric Botcazou  <>

	* builtins.c (expand_builtin_setjmp): Delete.
	(expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
	* builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
	* gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
	(lower_function_body): Initialize it to false.  If it is set to true
	at the end of the processing, emit the setjmp dispatcher.
	(lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
	is __builtin_setjmp and set calls_builtin_setjmp to true as well.
	<MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
	on the rhs of the assignment.
	(lower_builtin_setjmp): New function.
	* tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
	* tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
	to detect calls that can go to non-local labels.  Use specific
	helper to create the abnormal edges associated with them.
	<MODIFY_EXPR>: Likewise.
	(make_abnormal_goto_edges): New function extracted from...
	(make_goto_expr_edges):  Call it for computed gotos.
	(simple_goto_p): Minor tweak.
	(tree_can_make_abnormal_goto): New predicate.
	(tree_redirect_edge_and_branch): Return zero on all abnormal edges.
	(tree_purge_dead_abnormal_call_edges): New function.
	* tree-flow.h (tree_can_make_abnormal_goto): Declare.
	(tree_purge_dead_abnormal_call_edges): Likewise.
	(make_abnormal_goto_edges): Likewise.
	* tree-inline.c (expand_call_inline): Simplify statement frobbing.
	Purge all dead abnormal edges if the call was in the last statement.
	* tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
	(execute_fixup_cfg): If there are non-local labels in the function,
	scan the basic blocks and split them at calls that can go to non-local
	labels or add missing abnormal call edges.  Write down the CFG in the
	dump file.
	(pass_fixup_cfg): Remove TODO_dump_func flag.
	* unwind-sjlj.c: Poison setjmp.
	* doc/install.texi (enable-sjlj-exceptions): Use more general wording.
	* doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.

2006-09-28  Geoffrey Keating  <>

	PR target/28617
	* config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
	to 1 when __ppc64__ is defined.
	* config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
	* config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.

2006-09-28  Steve Ellcey  <>

	* config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
	* config/ia64/unwind-hpux.c: Delete.

2006-09-28  Eric Botcazou  <>

	* gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
	on the element before gimplifying it, instead of punting if it is of
	variable size.

2006-09-28  Zdenek Dvorak <>

	* doc/loop.texi: New file.
	* doc/gccint.texi: Reference loop.texi.
	* (loop.texi): Add.

2006-09-27  Geoffrey Keating  <>

	* config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
	* config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
	* config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.

2006-09-28  Kaz Kojima  <>

	* config/sh/ (divsi_inv_m0): Remove unused variable.

2006-09-27  Steven G. Kargl  <>

	* doc/install.texi: Document required versions of GMP and MPFR.

2006-09-27  Paul Brook  <>

	PR target/29230
	* config/arm/ (arith_adjacentmem): Handle large offsets.

2006-09-27  Richard Sandiford  <>

	* reload1.c (alter_reg): Require the alignment of the stack slot to
	be at least reg_max_ref_width bytes.
	(scan_paradoxical_subregs): Record the largest width in

2006-09-26  Jakub Jelinek  <>

	PR middle-end/25261
	PR middle-end/28790
	* tree-nested.c (struct nesting_info): Added static_chain_added.
	(convert_call_expr): Set static_chain_added when adding static
	chain.  Handle OMP_PARALLEL and OMP_SECTION.

2006-09-25  Matthias Klose  <>

	* doc/invoke.texi: Add missing full stop.

2006-09-25  Richard Henderson  <>

	* cgraph.c (dump_cgraph_varpool_node): Don't crash if called
	before cgraph_function_flags_ready.

2006-09-24  Zdenek Dvorak <>
	    Adam Nemet  <>

	* tree-ssa-loop-ivopts.c (aff_combination_convert,
	determine_common_wider_type): New functions.
	(get_computation_aff): Use them to simplify arithmetic between
	UBASE and CBASE if they are shortened from the same type.

2006-09-24  Kazu Hirata  <>

	PR target/28911
	* config/m68k/ (negsf2, negdf2, negxf2): Use
	-2147483647 - 1 instead of 0x80000000.

2006-09-23  Revital1 Eres  <>

	* flags.h (HONOR_NANS): Fix typo in comment.

2006-09-23  Uros Bizjak <>

	* config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.

2006-09-23  Jakub Jelinek  <>

	PR c/28706
	PR c/28712
	* tree.c (merge_attributes, attribute_list_contained): If both
	TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
	* c-typeck.c (comptypes_internal): Don't consider aggregates
	in different TUs as compatible if there one set of attributes is
	not a subset of the other type's attributes.
	(composite_type): Try harder not to create a new aggregate type.

2006-09-22  Geoffrey Keating  <>

	* config/i386/driver-i386.c: Always define host_detect_local_cpu.
	* config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
	or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
	(CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
	than replicating condition above.
	* (i[34567]86-*-*): Always use driver-i386.o.

	* config/darwin.h (LINK_SYSROOT_SPEC): New.
	(LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
	the linker by default.

2006-09-22  Mike Stump  <>

	* config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with

2006-09-22  Richard Guenther  <>

	PR middle-end/28964
	* cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
	sort of stack variables stable.

2006-09-22  Peter Bergner <>

	PR middle-end/28690
	* explow.c (force_reg): Set REG_POINTER flag according to

2006-09-22  Zdenek Dvorak <>

	PR tree-optimization/28888
	* tree-if-conv.c (combine_blocks): Rewritten.
	* tree-cfg.c (tree_verify_flow_info): Check that edges with

2006-09-22  Jakub Jelinek  <>

	* tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if

2006-09-21  Richard Sandiford  <>

	* varasm.c (copy_constant): Fix reversed gcc_assert check.

2006-09-21  Janis Johnson  <>

	* ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.

2006-09-21  Roger Sayle  <>

	PR debug/29132
	* dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
	dw_fde_current_label, to be the start of the function, i.e. the same
	value as dw_fde_begin.

2006-09-20  Richard Sandiford  <>

	* config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
	* config/mips/ (UNSPEC_ABS_PS): New constant.
	(UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
	(*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
	(*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
	(abs<mode>2, neg<mode>2): Likewise.
	* config/mips/ (mips_abs_ps): New define_expand.
	(*mips_abs_ps): New define_insn.

2006-09-20  Josh Conner  <>

	PR middle-end/25505
	* calls.c (expand_call): Allow reuse of structure return stack

2006-09-20  Paul Brook  <>

	* config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
	positive offsets.

2006-09-20  Janis Johnson  <>

	* doc/extend.texi (Decimal Float): Update for latest draft TR,
	clean up terminology.

2006-09-20  Steve Ellcey  <>

	PR target/28574
	* ifcvt.c (dead_or_predicable): Don't predicate then blocks
	with tablejumps in them.

2006-09-20  Jakub Jelinek  <>

	PR middle-end/28046
	* c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
	wrap it into TARGET_EXPR.

2006-09-20  Eric Christopher  <>

	* config/i386/i386.c (x86_fisttp): Remove.
	* config/i386/i386.h (x86_fisttp): Ditto.

2006-09-19  Eric Christopher  <>

	* doc/tm.texi (OBJC_JBLEN): Describe.
	* config/i386/darwin.h (OBJC_JBLEN): Define.
	* config/rs6000/darwin.h: Ditto.

2006-09-19  Steven Bosscher  <>

	PR rtl-optimization/21299
	* reload1.c (reload): Purge invalid ASMs in the final pass.

2006-09-19  Steve Ellcey  <>

	PR  28490
	* config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
	pointers as legitimate constants.

2006-09-19  Paul Brook  <>

	PR target/28516
	* config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.

2006-09-17  Zdenek Dvorak <>

	PR tree-optimization/28887
	* tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
	component parts from the reference.
	(gather_memory_references_ref): Record the reference without the
	nonaddressable component parts.

2006-09-17  Steven Bosscher  <>

	PR c/25993
	* c-opts.c (c_common_handle_option): Ignore the -std options
	if the input language is assembly.

2006-09-17  Ira Rosen  <>

	PR tree-opt/21591
	* tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
	tag first.
	(ptr_ptr_may_alias_p): Likewise.
	(record_record_differ_p): New function.
	(base_object_differ_p): Call record_record_differ_p.

2006-09-16  Andrew Pinski  <>

	PR tree-opt/29059
	* tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
	away for the expr argument.

2006-09-16  Steven Bosscher  <>

	PR tree-opt/27742
	* tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
	before using it for dumping after vectorizing loops.

2006-09-16  Andrew Pinski  <>
	    Jack Howarth  <>

	PR target/29030
	* config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
	skip on error_mark_node.
	(rs6000_darwin64_record_arg_recurse): Likewise.

2006-09-16  Steven Bosscher  <>

	* rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
	* doc/rtl.texi: Remove related documentation.

2006-09-16  Bernd Schmidt  <>

	* loop-doloop.c (doloop_optimize): Remove bogus arg from debugging

2006-09-15  Jim Wilson  <>

	* config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
	Handle symbol offsets same as they are handled in ia64_expand_move
	and move_operand.

2006-09-16  Andreas Tobler  <>

	* loop-doloop.c (doloop_optimize): Change type of max_cost to int.
	Add forgotten parameter to the fprintf call.

2006-09-15  Steve Ellcey  <>

	* config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.

2006-09-15  Uros Bizjak <>

	* doc/contrib.texi: Add my entry.

2006-09-15  Nick Clifton  <>

	* doc/md.texi (Processor pipeline description): Fix typo in
	example of how to use the absence_set directive and reword the
	description to make it slightly easier to read.

2006-09-15  Bernd Schmidt  <>

	* loop-doloop.c (doloop_optimize): Use it to limit costs of
	expanding the number of iterations.
	* config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.

	* cfgrtl.c (emit_insn_at_entry): New function.
	* rtl.h (emit_insn_at_entry): Declare it.
	* integrate.c (emit_initial_value_sets): Use it.

	* cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.

	* config/bfin/bfin.c (struct loop_info): New members block_bitmap and
	(struct loop_work and related VEC declarations): Delete.
	(bfin_dump_loops): Print out new member bad.
	(bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
	(bfin_scan_loop): Don't recurse.
	(bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
	loops.  No longer need to update outer loops if the current one is
	found bad.  Move some validitiy checks to bfin_discover_loop.
	(bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
	but changed not to check for nesting.  Also changed to use the new bad
	(bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
	time.  Use bitmap based test to discover loop nesting.

2006-09-15  Kazu Hirata  <>

	* doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
	one line.

2006-09-14  Richard Guenther  <>
	    Kazu Hirata  <>

	PR middle-end/28884.
	* doc/tm.texi (TARGET_FUNCTION_VALUE): Document.

2006-09-14  Anatoly Sokolov <>

	PR target/26504
	* config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.

2006-09-13  Aldy Hernandez  <>

	* doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand

2006-09-13  Andrew Pinski  <>

	PR debug/28980
	* dwarf2out.c (loc_descriptor_from_tree_1): Handle

2006-09-13  Andreas Krebbel  <>

	* basic_block.h (bb_has_eh_pred): Fix comment.

2006-09-13  Andreas Krebbel  <>

	* flow.c (calculate_global_regs_live): Invalidate eh registers
	on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
	(propagate_block): Handle eh registers as if they were set at basic
	block start.
	* except.c (dw2_build_landing_pads): Don't emit clobbers for eh
	* global.c (global_conflicts): Make eh registers to conflict with
	pseudos live at basic block begin.
	* basic_block.h (bb_has_eh_pred): New function.

2006-09-13  Richard Sandiford  <>

	PR rtl-optimization/28982
	* reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
	index of a PRE_MODIFY or POST_MODIFY address.
	* reload1.c (inc_for_reload): Use find_replacement on the original
	base and index registers.

2006-09-12  H.J. Lu  <>

	* doc/invoke.texi (mpreferred-stack-boundary): Remove exception
	for -Os. Update __m128 alignment requirement.

2006-09-13  Jan Hubicka  <>

	* cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.

2006-09-12  Eric Botcazou  <>

	PR rtl-optimization/28243
	* combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
	the insn to which the note was originally attached.

2006-09-12  Andrew Pinski  <>
	    Roger Sayle  <>

	* dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
	outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
	on platforms that don't use dwarf for debug info.

2006-09-12  Jason Merrill  <>

	PR middle-end/28493
	* builtins.c (expand_builtin_setjmp_receiver): Clobber
	hard_frame_pointer_rtx after using it to update the frame pointer.

2006-09-12  Roger Sayle  <>

	* target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
	* config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.

2006-09-12  Roger Sayle  <>

	PR target/22223
	* config/alpha/alpha.c (alpha_start_function): Don't emit stack
	frame information for frames larger than 512 Kbytes on Tru64 when
	using the native assembler.

2006-09-12  Roger Sayle  <>

	PR middle-end/4520
	PR bootstrap/28784
	* cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
	and symbols.  Instead use the implementation from cse.c's hash_rtx.

2006-09-12  Jan Hubicka  <>

	PR rtl-optimization/28071
	* tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
	(vect_transform_loop): Likewise.
	* tree-vectorizer.c (new_loop_vec_info): Likewise.
	(new_loop_vec_info): Likewise.
	(destroy_loop_vec_info): Likewise.
	* tree-dfa.c (create_var_ann): Use GCC_CNEW.
	(create_stmt_ann): Likewise.
	(create_tree_ann): Rename to ...
	(create_tree_common_ann): ... this one; allocate only the common part
	of annotations.
	* tree-vn.c (set_value_handle): Use get_tree_common_ann.
	(get_value_handle): Likewise.
	* tree-ssa-pre.c (phi_translate): Delay annotation allocation for
	* tree-vectorizer.h (set_stmt_info): Take stmt annotation.
	(vinfo_for_stmt): Use stmt annotations.
	* tree-flow.h (tree_ann_common_t): New type.
	(tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
	(tree_ann, get_tree_ann, create_tree_ann): New.
	* tree-flow-inline.h (get_function_ann): Do more type checking.
	(stmt_ann): Likewise.
	(tree_ann): Rename to ...
	(tree_common_ann): ... this one; return ony common_ann
	(get_tree_ann): Rename to ...
	(tree_common_ann): This one; return only common_ann.
	* tree-vect-patterns.c (vect_pattern_recog_1): Update call
	of set_stmt_info.

2006-09-11  Geoffrey Keating  <>

	* config.gcc (i[34567]86-*-darwin*): Set with_arch and
	with_cpu by default.

	* dwarf2out.c (dwarf_file_data): New.
	(enum dw_val_class): Add dw_val_class_file.
	(struct dw_val_struct): Add val_file.
	(file_table): Change to a hash table.
	(file_table_emitted): Delete.
	(file_table_last_lookup_index): Delete.
	(emitcount): Delete.
	(last_emitted_file): New.
	(lookup_filename): Change prototype to return a struct dwarf_file_data.
	(init_file_table): Delete.
	(maybe_emit_file): Change prototype to take a struct dwarf_file_data.
	(AT_addr): Add comment.
	(add_AT_file): New.
	(AT_file): New.
	(get_AT_file): New.
	(print_die): Handle dw_val_class_file.
	(print_dwarf_line_table): Update for new file table structure.
	(attr_checksum): Do checksum a filename.
	(same_dw_val_p, same_attr_p): Do compare a filename.
	(size_of_die): Handle dw_val_class_file.
	(value_format): Likewise.
	(output_die): Likewise.  Also, call maybe_emit_file here.
	(struct file_info): Constify filenames.  Make file_idx a pointer
	to a struct dwarf_file_data.
	(struct dir_info): Constify directory names.  Remove 'used' field.
	(struct file_name_acquire_data): New.
	(file_name_acquire): New.
	(output_file_names): Modify to handle new file data structures.
	(add_src_coords_attributes): Use add_AT_file.
	(add_call_src_coords_attributes): Likewise.
	(dwarf2out_imported_module_or_decl): Likewise.
	(gen_subprogram_die): Modify for new file data structures.
	(gen_variable_die): Likewise.
	(file_table_eq): New.
	(file_table_hash): New.
	(file_table_last_lookup): New.
	(lookup_filename): Rewrite to handle new file data structures.
	(maybe_emit_file): Rewrite to handle new file data structures.
	(dwarf2out_source_line): Always call lookup_filename and
	(dwarf2out_init): Create file_table here.
	(prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
	(file_table_relative_p): New.
	(dwarf2out_finish): Change detection of relative filenames
	to work with new file data structures.  Move output_line_info call
	after debug_info output.

2006-09-11  H.J. Lu  <>

	PR target/13685
	PR target/27537
	PR target/28621
	* config/i386/i386.c (override_options): Always default to 16
	byte stack boundary.

2006-09-11  Alexandre Oliva  <>

	PR target/28672
	* var-tracking.c (dump_dataflow_set): Start dumping at
	register zero.
	(clobber_variable_part): Kill only the variable part in
	registers holding it, leaving other variables alone.

2006-09-11  Josh Triplett  <>

	* doc/extend.texi (Other Builtins): Actually use the macro
	argument in the documentation example for

2006-09-11  Eric Botcazou  <>

	PR rtl-optimization/28726
	* sched-deps.c (sched_analyze_reg): New function extracted from...
	(sched_analyze_1):  Call it to analyze references to
	registers.  Treat again writes to a stack register as writing to the
	(sched_analyze_2): ...and here.  Call it to analyze references to
	registers.  Treat again reads of a stack register as reading the

2006-09-11  Guenter Roeck  <>
	    David Edelsohn  <>

	PR target/27287
	* config/rs6000/ (frob_df_di): Remove %H.
	(frob_di_df): Remove %H.  Change evmergelo to mr.
	(frob_di_df_2): Remove %H.  Change evldd to two loads.

2006-09-11  Hideki Iwamoto  <>

	* doc/cpp.texi: Fix names of charset options.

2006-09-10  Andrew Pinski  <>

	PR target/29009
	* config/i386/i386.c (override_options): Use 128-bit
	stack boundary always for 64bits.

2006-09-10  Eric Botcazou  <>

	PR rtl-optimization/28636
	* combine.c (force_to_mode): Test for side-effects before
	substituting by zero.
	(simplify_shift_const): Likewise for zero or other constants.

2006-09-10  Steven Bosscher  <>

	PR middle-end/26983
	* builtins.c (expand_builtin_setjmp): Force next_lab to be

2006-09-10  Richard Sandiford  <>

	PR target/29006
	* config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
	* config/mips/mips.c (mips_expand_unaligned_store): Use the mode
	returned by mode_for_size, rather than the mode of src itself,
	to choose between 32-bit and 64-bit patterns.
	(mips_mem_fits_mode_p): New function.
	* config/mips/ (mov_<load>l, mov_<load>r): Use it to check
	that the size of the source matches the size of the destination.
	(mov_<store>l, mov_<store>r): Likewise.

2006-09-10  Eric Christopher  <>

	* config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
	for literal16.

2006-09-09  Eric Christopher  <>

	PR target/28995
	* config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
	for literal16.

2006-09-09  Roger Sayle  <>
	    Nicolas Setton <>

	* dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.

2006-09-10  Andreas Schwab  <>

	* config/m68k/ (bungt_rev): New pattern.

2006-09-09  Paolo Bonzini  <>
	    Dale Johannesen  <>

	PR target/26778
	* regclass.c (struct reg_pref): Update documentation.
	(regclass): Set prefclass to NO_REGS if memory is the best option.
	(record_reg_classes): Cope with a prefclass set to NO_REGS.

2006-09-08  Eric Christopher  <>

	* config.gcc (i?86-*-darwin): Add 64-bit HWI support.
	* config/t-slibgcc-darwin: Support x86_64 multilib.
	* config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
	Return 1 for x86_64-darwin.
	* config/i386/t-darwin: Add m64 multilib.
	* config/i386/darwin.h: Support x86_64.
	* config/i386/i386.c (override_options): Turn on flag_pic
	for x86_64-darwin. Disable flag_omit_pointer.
	(get_pc_thunk_name): Assert !TARGET_64BIT.
	(legitimate_address_p): Disable machopic addressing for
	(legitimize_pic_address): Ditto.
	(ix86_expand_move): Ditto.
	(ix86_expand_call): Ditto.
	(machopic_output_stub): Ditto.
	* config/darwin.c (machopic_select_section): Support literal16.
	(machopic_select_rtx_section): Ditto.
	* config/darwin-sections.def: Ditto.
	* config/darwin-64.c: New.

2006-09-08  Joseph S. Myers  <>

	PR c/28504
	* c-tree.h (struct c_arg_info): Add pending_sizes.
	* c-parser.c (c_parser_parms_declarator,
	c_parser_parms_list_declarator): Initialize pending_sizes.
	* c-decl.c (get_parm_info): Initialize pending_sizes.
	(get_parm_info): Set pending_sizes.
	(grokdeclarator): Call put_pending_sizes for parameters for
	function definition only.

2006-09-07  Jason Merrill  <>

	PR middle-end/27724
	* varasm.c (output_constant): Only strip actual no-op conversions.

	PR target/13685
	* config/i386/i386.c (override_options): Use 128-bit
	stack boundary if -msse.

2006-09-07  Eric Christopher  <>

	* config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
	* config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):

2006-09-07  Geoffrey Keating  <>

	* dwarf2out.c: Remove strange characters from comment above

2006-09-07  Eric Christopher  <>

	* config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
	* config/darwin.h: ... to here.

2006-09-07  H.J. Lu  <>

	* config/i386/i386.c (x86_partial_flag_reg_stall): New.

	* config/i386/i386.h (x86_partial_flag_reg_stall): New.

	* config/i386/ (*ashldi3_cmp_rex64): Disabled for
	(*ashldi3_cconly_rex64): Likewise.
	(*ashlsi3_cmp): Likewise.
	(*ashlsi3_cconly): Likewise.
	(*ashlsi3_cmp_zext): Likewise.
	(*ashlhi3_cmp): Likewise.
	(*ashlhi3_cconly): Likewise.
	(*ashlqi3_cmp): Likewise.
	(*ashlqi3_cconly): Likewise.
	(*ashrdi3_cmp_rex64): Likewise.
	(*ashrdi3_cconly_rex64): Likewise.
	(*ashrsi3_cmp): Likewise.
	(*ashrsi3_cconly): Likewise.
	(*ashrsi3_cmp_zext): Likewise.
	(*ashrhi3_cmp): Likewise.
	(*ashrhi3_cconly): Likewise.
	(*ashrqi3_cmp): Likewise.
	(*ashrqi3_cconly): Likewise.
	(*lshrdi3_cmp_rex64): Likewise.
	(*lshrdi3_cconly_rex64): Likewise.
	(*lshrsi3_cmp): Likewise.
	(*lshrsi3_cconly): Likewise.
	(*lshrsi3_cmp_zext): Likewise.
	(*lshrhi3_cmp): Likewise.
	(*lshrhi3_cconly): Likewise.
	(*lshrqi2_cmp): Likewise.
	(*lshrqi2_cconly): Likewise.

2006-09-07 Uros Bizjak <>

	PR target/28946
	* config/i386/ ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
	"*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
	"*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
	"*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
	"*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
	"*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
	"*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
	"*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
	"*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
	implement only CC setting effects of shift instructions.

2006-09-07  Martin Michlmayr  <>

	* doc/contrib.texi: Add myself.

2006-09-07  Andrew Pinski  <>

	PR middle-end/28862
	* stor-layout.c (relayout_decl): Don't zero the alignment if it
	was set by the user.

2006-09-07  Paolo Bonzini  <>

	PR target/27117
	* config/sh/ (divsi_inv_qitable, divsi_inv_hitable): New patterns.
	(divsi_inv_m1): Use them.
	(UNSPEC_DIV_INV_TABLE): New constant.

2006-09-06  James E Wilson  <>

	PR rtl-opt/27883
	* flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
	then call count_or_remove_death_notes.

2006-09-06  Jason Merrill  <>

	PR c++/27371
	* tree-inline.c (copy_result_decl_to_var): New fn.
	(declare_return_variable): Use it.  Call declare_inline_vars here.
	(expand_call_inline): Not here.

2006-09-06  Diego Novillo  <>

	* doc/contrib.texi: Update my entry.

2006-09-06  Nick Clifton  <>

	* config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.

2006-09-05  Andrew Pinski  <>

	PR tree-opt/28937
	* tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
	(canonicalize_induction_variables): Likewise.
	(tree_unroll_loops_completely): Likewise.
	(tree_ssa_prefetch_arrays): Likewise.
	(remove_empty_loops): Likewise.
	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
	TODO_cleanup_cfg instead of directly calling
	* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
	(tree_unroll_loops_completely): Likewise.
	(remove_empty_loops): Likewise.
	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
	* tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
	of tree_ssa_unswitch_loops.
	(tree_ssa_loop_ivcanon): Use the return value of
	(tree_ssa_empty_loop): Use the return value of
	(tree_complete_unroll): Use the return value of
	(tree_ssa_loop_prefetch): Use the return value of
	* passes.c (execute_todo): Before Cleanup CFG, set
	updating_used_alone and after cleanup CFG, call

2006-09-05  Andrew Pinski  <>

	PR tree-opt/28952
	* tree-vect-transform.c (vectorizable_condition): Move the check
	for the type after the check for simple condition.

2006-09-05  J"orn Rennecke  <>
	    Kaz Kojima  <>

	PR target/28764
	* mode-switching.c (optimize_mode_switching): Make the destination
	block of an abnormal edge have no anticipatable mode.  Don't
	insert mode switching code at the end of the source block of
	an abnormal edge.

2006-09-05  Paolo Bonzini  <>

	PR rtl-optimization/26847
	* simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
	(simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
	(simplify_plus_minus): Count n_constants while filling ops.  Replace
	qsort with insertion sort.  Before going through the array to simplify
	pairs, sort it.  Delay early exit until after the first sort, exiting
	only if no swaps occurred.  Simplify pairs in reversed order, without
	special-casing the first iteration.  Pack ops after simplifying pairs.

2006-09-05  Anatoly Sokolov <>

	* config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	(avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.

2006-09-05  Richard Guenther  <>

	PR tree-optimization/28900
	* tree-if-conv.c (find_phi_replacement_condition): Gimplify
	compound conditional before creating COND_EXPR condition.

2006-09-05  Richard Guenther  <>

	PR tree-optimization/28905
	* tree-vrp.c (fix_equivalence_set): Manually implement
	!value_ranges_intersect_p to also handle symbolic ranges.

2006-09-05  Richard Guenther  <>

	PR middle-end/28935
	* tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
	of a COND_EXPR.

2006-09-04  Eric Botcazou  <>

	PR rtl-optimization/27616
	* cse.c (table_size): New static variable.
	(new_basic_block): Initialize it to 0.
	(remove_from_table): Decrement it.
	(insert): Increment it.
	(fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
	(fold_rtx_mem): Enforce a cap on the recursion depth.  Call
	fold_rtx_mem_1 if under the cap.
	(fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
	the lookup of the equivalent expression and test for equality of the
	first operand of the equivalent expression before in turn looking up
	an equivalent constant for the second operand.

2006-09-02  Geoffrey Keating  <>

	Revert this change:
	2006-03-17  Alexandre Oliva  <>
	* dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
	pointer, instead of assuming it is possible to derive the
	correct args size from a call insn.

2006-09-02  Jakub Jelinek  <>

	PR middle-end/27567
	* builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
	(fold_builtin_mempcpy): Rename to...
	(fold_builtin_memory_op): ... this.  Optimize one element copy
	into an assignment.
	(fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
	(expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
	(expand_builtin_memcpy, expand_builtin_mempcpy,
	expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
	(fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
	BUILT_IN_BCOPY.  Use fold_builtin_memory_op for

2006-09-01  DJ Delorie  <>

	* config/m32c/ (cbranch<mode>4): Defer splitting until after reload.
	(stzx_16): Likewise.
	("stzx_24_<mode>"): Likewise.
	("stzx_reversed_<mode>"): Likewise, and make mode-specific.
	("cmp<mode>_op"): New.
	(cmp<mode>): Change to expander; just save operands.
	(b<code>_op): New.
	(b<code>): Change to expander, emit compare here.
	(s<code>_op): Change to use split and expander.
	(s<code>_24_op): Likewise.
	(s<code>_<mode>): New.
	(s<code>_<mode>_24): New.
	(movqicc_<code>_<mode): New.
	(movhicc_<code>_<mode>): New.
	(s<code>): New.
	(s<code>_24): New.
	* config/m32c/m32c.c (compare_op0, compare_op1): New.
	(m32c_pend_compare): New.
	(m32c_unpend_compare): New.
	(m32c_expand_scc): New.
	(m32c_expand_movcc): Emit the compare also.
	* config/m32c/ (mra_nopp_operand): New.

2006-09-01  J"orn Rennecke  <>
	Richard Guenther  <>
	Adam Nemet  <>

	PR middle-end/27226
	* builtins.c (get_pointer_alignment): Handle more forms
	of base addresses that can be used to derive more precise
	information about alignment.

2006-09-01  Jason Merrill  <>

	PR c++/28899
	* gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle

	* gimplify.c (voidify_wrapper_expr): Handle null type.

2006-09-01  Josh Conner  <>

	PR c++/25505
	* tree-nrv.c (dest_safe_for_nrv_p): New function.
	(execute_return_slot_opt): Use it.

2006-08-31  Josh Conner  <>

	PR c++/25505
	* tree-gimple.c (is_gimple_mem_rhs): Recognize functions
	returning aggregates.

2006-08-31  Zdenek Dvorak <>

	PR tree-optimization/28839
	* tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
	blocks in that phi arguments appear.

2006-08-31  Roger Sayle  <>

	PR other/22313
	* dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
	NULL, otherwise use an advance_loc4 to adjust relative to the
	current label.
	(output_cfi) <DW_CFA_set_loc>: Update the current label.
	(dwarf2out_switch_text_section): Reset the current label to avoid
	using advance_loc4 over section boundaries.

2006-08-31  Andreas Krebbel  <>

	PR target/24367
	* config/s390/ ("movsi", "movdi" expander): Accept rtxes like

2006-08-30  Richard Guenther  <>

	* (see.o): Add $(EXPR_H) dependency.

2006-08-30  Zdenek Dvorak <>

	PR rtl-optimization/27735
	* cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
	Add new argument to keep track of whether an irreducible region
	was affected.  All callers changed.
	(fix_irreducible_loops): Removed.
	(remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
	flags were invalidated.

2006-08-29  H.J. Lu  <>

	* config/i386/ (*fop_df_comm_mixed): Match DF operands
	instead of SF operands.
	(*fop_df_comm_sse): Likewise.
	(*fop_df_comm_i387): Likewise.
	(*fop_df_1_mixed): Likewise.
	(*fop_df_1_sse): Likewise.

2006-08-29  Andrew Pinski  <>
	    J"orn Rennecke  <>

	PR tree-optimization/17506
	* tree-ssa.c (warn_uninit): If warning about a location outside of
	the current function, note where the variable was declared.

2006-08-28  Zdenek Dvorak <>

	PR tree-optimization/28411
	* double-int.c (double_int_div): Use double_int_divmod.
	(double_int_divmod, double_int_sdivmod, double_int_udivmod,
	double_int_mod, double_int_smod, double_int_umod): New functions.
	* double-int.h (double_int_divmod, double_int_sdivmod,
	double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
	* tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
	in double_int.
	(get_computation_aff, get_computation_cost_at): Handle double_int
	return type of constant_multiple_of.

2006-08-28  Kazu Hirata  <>

	PR middle-end/26632
	* convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
	an implicit conversion.

2006-08-28  Prafulla Thakare  <>

	* config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.

2006-08-27  Roger Sayle  <>

	* ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
	x87 instructions.

2006-08-27  Kazu Hirata  <>

	* config/i386/crtfastmath.c: Fix a comment typo.

2006-08-26  Roger Sayle  <>

	* tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
	temporary visit flags on CASE_LABEL_EXPRs.
	* c-common.c (match_case_to_enum): Add function comment.  Avoid
	O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
	(c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
	CASE_HIGH_SEEN for enumerated types.  If the switch expression is
	a constant, only warn if that constant value isn't handled.

2006-08-26  Joseph S. Myers  <>

	PR c++/24009
	* input.h (restore_input_file_stack): Declare.
	* toplev.c (fs_p, input_file_stack_history,
	input_file_stack_restored, restore_input_file_stack): New.
	(push_srcloc, pop_srcloc): Check for input_file_stack_tick
	overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
	(pop_srcloc): Don't free old state of stack.

2006-08-26  David Edelsohn  <>

	PR target/27544
	* doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
	(PowerPC Type Attributes): New.

2006-08-26  Bob Wilson  <>

	* config/xtensa/xtensa.c (function_arg_boundary): New.
	(function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
	* config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
	function_arg_boundary function that limits alignment to STACK_BOUNDARY.

2006-08-26  Jakub Jelinek  <>

	PR middle-end/28683
	* cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
	3 following insns.

2006-08-25  Volker Reichelt  <>

	* flow.c (verify_wide_reg): Use internal_error for consistency failure.
	(verify_local_live_at_start): Likewise.

2006-08-25  Joseph S. Myers  <>

	PR c/27893
	* gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
	omp_add_variable): Treat sizes as variable whenever not

2006-08-26  Richard Guenther  <>

	PR middle-end/28814
	* fold-const.c (fold_binary): Fold temporary to correct
	type before constructing new comparison.

2006-08-25  Fariborz Jahanian  <>

	PR c/28418
	* c-gimplify.c (gimplify_compound_literal_expr): Don't add
	variable again if DECL_SEEN_IN_BIND_EXPR_P.

2006-08-25  Joseph S. Myers  <>

	PR c/28299
	* c-decl.c (start_function): Don't try to process prototype
	information from old declaration that isn't a function.

2006-08-25  Jan Hubicka  <>

	PR target/28621
	* config/i386/crtfastmath.c (set_fast_math): Force stack alignment.

2006-08-25  Alan Modra  <>

	PR target/27075
	* config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
	for 8 byte objects.

2006-08-25  J"orn Rennecke  <>

	PR tree-optimization/16876
	* c-typeck.c (c_convert_parm_for_inlining): Don't take early
	exit if PARM doesn't match VALUE.

2006-08-25  Bob Wilson  <>

	* config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
	literal_prefix directive.
	* config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
	* config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.

2006-08-25  David Edelsohn  <>

	PR target/28753
	* config/rs6000/ (movcc_internal1): Change operand 1
	predicate to general_operand.  Add 0->y and I->r alternatives.

2006-08-25  Kazu Hirata  <>

	* doc/tm.texi: Fix a typo.
	* predict.c: Fix comment typos.

2006-08-25  Nick Clifton  <>

	* config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
	assertions of "cpu" and "machine".

2006-08-24  Andrew Pinski  <>

	PR tree-opt/28807
	* tree-ssa-operands.c (access_can_touch_variable): Don't say
	the access through a base which has an alias set of 0 cannot
	touch the variable.

2006-08-24  Bill Wendling  <>

	* doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.

2006-08-24  Jan Hubicka  <>

	* reload1.c (emit_reload_insns): Fix yet another typo in my patch.

2006-08-24  Jan Hubicka  <>

	PR debug/26881
	* cgraph.c: Fix comments.
	(cgraph_varpool_mark_needed_node): Mark only variables not already
	output to file.
	* cgraphunit.c: Update comments; include gt-cgraphunit.h
	(cgraph_varpool_assembled_nodes_queue): New static variable.
	(cgraph_varpool_assemble_decl): Record output decls for debug out code.
	(cgraph_varpool_output_debug_info): New function.
	(cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
	* Add gt-cgraphunit.h

2006-08-24  Jan Hubicka  <>

	* predict.c (probability_reliable_p): New predicate.
	(edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
	(predict_loops): Do not predict loop exit with less than 2%
	* basic-block.h (edge_probability_reliable_p,
	br_prob_note_reliable_p): Declare.
	* ia64.h (ia64_print_operand): Do not disable on-chip branch
	prediction when static predictor is not reliable.
	* rs6000.c (output_cbranch): Likewise.

2006-08-23  Stuart Hastings  <>

	PR 28825
	* gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
	ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.

2006-08-21  Geoffrey Keating  <>

	PR debug/28692
	* dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
	complex values, nor for generic vector values.

2006-08-22  Richard Guenther  <>

	PR middle-end/28776
	* tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
	parameter.  Convert arguments to arithmetic expression to the
	chrecs type.
	(analyze_scalar_evolution_1): Adjust caller.

2006-08-22  Jan Hubicka  <>

	Patch by Paolo Bonzini
	* reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
	my previous patch.

2006-08-22  Daniel Berlin  <>

	PR tree-optimization/28003
	* tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
	before grouping aliases.

2006-08-22  Roger Sayle  <>

	* config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
	if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.

2006-08-21  Jason Merrill  <>

	PR c++/27115
	* gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
	wrapper.  Loop to handle nested wrappers.
	(gimplify_bind_expr): Remove temp parameter.
	(gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
	and STATEMENT_LIST on the rhs.
	(gimplify_statement_list): Voidify the STATEMENT_LIST.
	(gimplify_expr): Pass pre_p to gimplify_statement_list.
	(gimplify_target_expr): Remove special BIND_EXPR handling.

2006-08-21  J"orn Rennecke  <>

	* config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
	#if !__SHMEDIA__ .

2006-08-21  Olivier Hainque  <>

	* gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
	Arrange for the temporary captures of components overlapping the lhs
	to happen before the lhs is possibly cleared.

2006-08-21  Mark Shinwell  <>

	* config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
	necessary places to pass the correct "number of registers" values
	to _Unwind_VRS_Pop.

2006-08-20  Jan Hubicka  <>

	* tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
	(create_name_tags): Instead of quadratic checking use hashtable.
	* bitmap.h: Include hashtab.h.
	(bitmap_hash): Declare.
	* bitmap.c (bitmap_hash): New function.

2006-08-20  Jan Hubicka  <>

	PR rtl-optimization/28071
	* tree-optimize.c (tree_rest_of_compilation): Do not remove edges
	* tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
	* ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
	(cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
	cgraph_decide_inlining_incrementally): Update use of
	* cgraph.c (edge_hash, edge_eq): New function.
	(cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
	cgraph_edge_remove_caller, cgraph_node_remove_callees,
	cgraph_remove_node): Maintain call site hash.
	* cgraph.h (struct cgraph_node): Add call_site_hash.
	(cgraph_set_call_stmt): New function.

2006-08-20  Jan Hubicka  <>

	PR rtl-optimization/28071
	* reload1.c (reg_has_output_reload): Turn into regset.
	(reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
	choose_reload_regs, emit_reload_insns): Update to new

2006-08-20  Jan Hubicka  <>

	PR middle-end/28779
	* ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
	function body sizes.
	* cgraphunit.c (cgraph_analyze_function): Don't do so.

2006-08-20  Danny Smith  <>

	PR target/28648 c:
	* tree.c (handle_dll_attribute): Return early if not a
	var or function decl.

2006-08-18  Joseph Myers  <>

	PR target/27565
	* config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
	alignment of SPE vector types.

2006-08-18  Christophe Jaillet  <>

	* tree.c (is_attribute_with_length_p): Remove a duplicated assert.

2006-08-17  Jakub Jelinek  <>

	PR c/28744
	* cgraph.h (struct cgraph_node): Remove externally_visible
	* cgraphunit.c (process_function_and_variable_attributes): Set
	local.externally_visible rather than externally_visible.

	PR c/28744
	* c-common.c (handle_externally_visible_attribute): First look
	at TREE_CODE and only if it is function or var decl, check for
	non-public objects.  Don't warn for DECL_EXTERNAL.
	* cgraphunit.c (process_function_and_variable_attributes): Warn
	if externally_visible attribute is used on non-public object.

2006-08-17  Jan Hubicka  <>

	PR tree-optimization/27865
	* reload1.c (forget_marked_reloads): New function.
	(forget_old_reloads_1): When data are passed, just mark the registers
	for later removal.
	(reload_as_needed): Use the new mechanizm.

2006-08-17  Alexandre Oliva  <>

	PR target/28146
	* reload.h (reg_equiv_alt_mem_list): New declaration.
	* reload1.c (reg_equiv_alt_mem_list): New definition.
	(reload): Initialize it and release it.
	(delete_output_reload): Use it.
	* reload.c (push_reg_equiv_alt_mem): New function.
	(find_reloads_toplev): Call it.
	(find_reloads_address, find_reloads_address_1): Likewise.
	(find_reloads_subreg_address): Likewise.

2006-08-17  Maxim Kuvyrkov  <>

	PR rtl-optimization/28489
	* sched-ebb.c (begin_schedule_ready): Create basic block
	at the right place.
	(advance_target_bb): Skip empty blocks.
	* haifa-sched.c (bb_note): Make global.
	* sched-int.h (bb_note): Add prototype.

2006-08-16  Zdenek Dvorak <>

	PR tree-optimization/27865
	* tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
	for pointer types.
	* tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
	fold_used_pointer, pointer_used_p): New functions.
	(analyze_scalar_evolution_1): Use fold_used_pointer.
	* tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
	* tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
	for pointers.

2006-08-17  Paolo Bonzini <>

	PR c++/28573
	* c-common.c (fold_offsetof_1): Add an argument and recurse down to it
	or the INTEGER_CST.  Fail on a CALL_EXPR.
	(fold_offsetof): Pass new argument to fold_offsetof_1.
	* c-parser.c (c_parser_postfix_expression): Don't include a NULL
	operand into an INDIRECT_REF.
	* c-typeck.c (build_unary_op): Adjust call to fold_offsetof.

2006-08-16  Zdenek Dvorak <>

	PR gcov/profile/26570
	* value-prof.c (static_values): Removed.
	(tree_find_values_to_profile): Do not set static_values.
	(find_values_to_profile): Do not free static_values.
	* profile.c (instrument_values): Do not free the values.
	(branch_prob): Free the values.

2006-08-16  Naveen.H.S  <>

	* config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.

2006-08-16  Joseph S. Myers  <>

	PR c/27697
	* c-typeck.c (build_component_ref): Combine qualifiers of
	structure or union and field.

2006-08-16  Zdenek Dvorak <>

	PR rtl-optimization/28071
	* basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
	* dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
	* tree-into-ssa.c (struct dom_dfsnum): New.
	(cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
	(insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
	(prepare_block_for_update, prepare_use_sites_for): Mark the uses
	in phi nodes in the correct blocks.

2006-08-16  Zdenek Dvorak <>

	PR tree-optimization/28364
	* tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
	(fold_affine_expr): New function.
	(may_eliminate_iv): Use fold_affine_expr.

2006-08-16  Volker Reichelt  <>

	PR c/27489
	* c-typeck.c (c_start_case): Handle invalid orig_type correctly.
	Clean up.

2006-08-16  Mike Stump  <>

	* doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
	* doc/cppopts.texi (-MD): Likewise.

2006-08-15  Danny Smith  <>

	PR c/28287
	* c-common.c (handle_weak_attribute): Ignore and warn if

2006-07-15  Mike Stump  <>

	PR c/28280
	* c-parser.c (c_parser_typeof_specifier): Don't use
	c_finish_expr_stmt, open code desired semantics instead.

2006-08-15  Nick Clifton  <>

	* config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
	fragment to tmake_file only if threads are enabled.
	* config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
	* config/i386/t-gthr-win32: New file. ... here.

2006-08-15  Volker Reichelt  <>

	PR c/28649
	* c-parser.c (c_parser_compound_statement_nostart): Reset
	parser->error after each statement.

2006-08-15  Jakub Jelinek  <>

	PR middle-end/28713
	* omp-low.c (lower_omp_parallel): Convert t to
	receiver_decl's type.
	(expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
	source before comparison.

	PR middle-end/28724
	* gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
	to itype in assignment to oldival2.

2006-07-14  Andrew Pinski  <>

	PR c/27490
	PR c/27489
	* c-typeck.c (build_compound_expr): If the second expression
	is an error mark, then just return an error mark instead of
	creating a COMPOUND_EXPR.

2006-07-14  Mike Stump  <>

	* (LIBGCC_DEPS): Don't depend on LANGUAGES.

2006-08-14  Kazu Hirata  <>

	* c-decl.c, var-tracking.c: Fix comment typos.

2006-08-14  Richard Sandiford  <>

	PR rtl-optimization/28634
	* reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
	for floating-point modes unless flag_unsafe_math_optimizations.

2006-08-13  Alexandre Oliva  <>
	    Andrew Pinski  <>

	PR c/27184
	* tree.c (build_array_type): Unify array types with
	unspecified index_type.
	* c-decl.c (grokdeclarator): Make sure we do not modify a
	unified incomplete array type.
	* c-typeck.c (store_init_value): Create distinct type before
	filling in the index type in an initializer from a compound

	* c-decl.c (grokdeclarator): Remove code where we copy the
	array type over.

2006-08-13  Andrew Pinski  <>

	* tree-pass.h (TODO_update_ssa): Fix which bit is used to take
	into account for TODO_dump_cgraph.
	(TODO_update_ssa_no_phi): Likewise.
	(TODO_update_ssa_full_phi): Likewise.
	(TODO_update_ssa_only_virtuals): Likewise.
	(TODO_remove_unused_locals): Likewise.
	(TODO_set_props): Likewise.
	(TODO_update_stmt_usage): Likewise.

2006-08-13  Dirk Mueller  <>

	* c-common.c (strict_aliasing_warning): Fix formatting.

2006-08-13  Matthias Klose  <>

	* doc/invoke.texi: Fix spelling errors.

2006-08-11  Eric Botcazou  <>

	PR rtl-optimization/23454
	* reorg.c (relax_delay_slots): Update comment.

2006-08-11  Richard Guenther  <>

	PR middle-end/28651
	* simplify-rtx.c (simplify_const_relational_operation):
	Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison

2006-08-10  Eric Botcazou  <>

	* tree.c (build1_stat): Also propagate the TREE_CONSTANT and

2006-08-10  Paul Brook  <>

	* final.c (final_scan_insn): Clear current_insn_predicate before
	outputting inline asm.

2006-08-10  Dorit Nuzman  <>

	PR tree-optimization/26197
	* tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
	get_ref_base_and_extent and overlap_subvar to add only relevant
	subvars as may-aliases.
	(add_may_alias_for_new_tag): New function, factored out of
	* tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
	with additional argument.
	* tree-flow.h (new_type_alias): Takes additional argument.

2006-08-09  Nathan Sidwell  <>

	* gcov.c (no_data_file): New flag.
	(read_count_file): Set it if data file not present.  Assume counts
	zero if not found.
	(output_lines): Don't name the data file, if there wasn't one.

2006-08-09  Eric Botcazou  <>

	* config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
	(rs6000_generate_compare): Tweak comments.
	* config/rs6000/ (UNSPEC_MV_CR_GT): Fix comment.

2006-08-09  Alexandre Oliva  <>

	* var-tracking.c (enum micro_operation_type): Add MO_COPY.
	(var_debug_decl): New function.
	(var_reg_set): Follow debug decl link.  Add location even if
	reg is already known to hold some other variable.
	(var_mem_set): Follow debug decl link.
	(var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
	decl link.  Delete other known locations of the variable part
	if requested.
	(var_reg_delete, var_mem_delete): Delete other known locations
	of the variable part if requested.
	(same_variable_part_p): New function.
	(add_stores): Select MO_COPY when appropriate.
	(vt_initialize): Handle it.
	(compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
	known locations for MO_SET and MO_CLOBBER.
	(find_variable_location_part): New function.
	(set_variable_part, delete_variable_part): Use it.
	(clobber_variable_part): New function.
	* dwarf2out.c (dwarf2out_var_location): Do not follow debug
	decl link.

2006-08-07  Victor Kaplansky <>

	PR tree-optimization/26969
	* tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
	with an empty list of PHIs.

2006-08-06  Paolo Bonzini  <>

	PR target/27827

	* conffig/i386/ Add peephole2 to avoid "fld %st"

2006-08-06  Andreas Schwab  <>

	* config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
	string.  Whitespace and comment fixup.

2006-08-05  Volker Reichelt  <>

	PR c/28502
	* c-decl.c (validate_proto_after_old_defn): Return false on invalid

	PR c/27721
	* c-typeck.c (build_modify_expr): Test earlier for non-lvalues.

	PR c/28136
	* c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.

2006-08-04  Jan Hubicka  <>

	PR target/26655
	PR target/28270
	* reload.c (push_reload): Patch out the mismatching instruction;
	return early.
	(find_reload): Bail out if the instruction was patched out.

2006-08-04  Jan Hubicka  <>

	PR tree-optimization/24888
	* tree-inline.c (expand_call_inline): Do not re-record variables.
	(declare_inline_vars): Add variable to unexpanded_var_list.

2006-08-04  John David Anglin  <>
	    Roger Sayle  <>

	PR rtl-optimization/26244
	* cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
	inner_const are negative or greater than or equal to the bitsize of
	MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
	Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
	Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
	CONST0_RTX (mode) when the new shift count is greater than or equal to
	to the bitsize of the object being shifted and XEXP (y, 0) has no side

2006-08-04  Kazu Hirata  <>

	* tree-cfg.c: Fix a comment typo.

2006-08-03  Mark Mitchell  <>

	PR c++/28148
	* varasm.c (output_constant): Give the front end another chance to
	expand constants, after stripping NOPs.

2006-08-03  Jan Hubicka  <>

	* domwalk.c (walk_dominator_tree): Reorganize to non-recursive

2006-08-03  Dorit Nuzman  <>

	PR tree-optimization/27770
	* tree-vectorizer.h (get_vectype_for_scalar_type): Function
	declaration removed (moved to tree-flow.h).
	(vect_can_force_dr_alignment_p): Likewise.
	* tree-flow.h (get_vectype_for_scalar_type): New function declaration
	(moved from tree-vectorizer.h).
	(vect_can_force_dr_alignment_p): Likewise.
	* tree-vectorizer.c (vect_print_dump_info): Allow calling this function
	from outside the vectorizer - in particular from cgraph stage.
	* tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
	the alignment of global arrays when -fsection-anchors is enabled.
	* cgraphunit.c (cgraph_increase_alignment): New function.
	(cgraph_optimize): Call cgraph_increase_alignment.

2006-08-03  David Edelsohn  <>

	PR target/27566
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
	not reload a SPE symbol_ref into a lo_sum address.

2006-08-02  Daniel Jacobowitz  <>

	PR debug/28063
	* dwarf2out.c (prune_unused_types_prune): Move call to
	prune_unused_types_update_strings to cover the parent DIE also.

2006-08-02  Jan Hubicka  <>

	PR gcov/profile/28480
	* tree-cfg.c (change_bb_for_stmt): New function.
	(tree_merge_blocks, tree_split_blocks): Use it.

2006-08-01  Volker Reichelt  <>

	PR c++/28250
	PR c++/28257
	PR c++/28259
	PR c++/28267
	* toplev.c (compile_file): Return early on errorcount or sorrycount.
	* cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
	(cgraph_optimize): Likewise.

2006-08-01  Stuart Hastings  <>

	* rtl.h (UINTVAL) New.
	* config/rs6000/rs6000.c (SMALL_INT) Use it.
	* testsuite/gcc.dg/20060801-1.c: New.

2006-08-01  Daniel Jacobowitz  <>

	PR debug/23336
	* c-typeck.c (build_external_type): Mark used enum types.
	* dwarf2out.c (dwarf2out_abstract_function): Save and restore
	cfun also.
	(gen_subprogram_die): Whitespace fix.

2006-08-01  Jan Hubicka  <>

	* tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
	bitmap when not needed.
	* tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary

2006-08-01  Dirk Mueller  <>

	* tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.

2006-07-31  Volker Reichelt  <>

	* Revert part of previous patch:
	Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
	and REGS_H.

2006-07-30  Eric Christopher  <>

	PR target/27543
	* doc/extend.texi (i386 Variable Attributes): Add anchor.
	(PowerPC Variable Attributes): New section.

2006-07-30  Atsushi Nemoto  <>

	PR target/28126 (partial fix)
	* config/mips/ (tls_get_tp_<mode>): Set can_delay to no.

2006-07-28  Jan Hubicka  <>

	PR rtl-optimization/28071
	* cfgrtl.c (rtl_delete_block): Free regsets.
	* flow.c (allocate_bb_life_data): Re-use regsets if available.

2006-07-28  Volker Reichelt  <>

	* Use $(HEADER_H) instead of header.h in dependencies
	and variables used in dependencies.

2006-07-27  Arjan van de Ven <>

	* config/i386/ (stack_tls_protect_set_di) Use %gs rather than
	%fs for -mcmodel=kernel.
	(stack_tls_protect_test_di): Likewise.

2006-07-27  Carlos O'Donell  <>

	* Use mkinstalldirs.

2006-07-27  H.J. Lu  <>

	PR driver/28437
	* opts-common.c (prune_options): Skip joined switches.

2006-07-27  Jan Hubicka  <>

	PR rtl-optimization/28071
	* cselib.c (cselib_process_insn): Don't remove useless values too
	often for very large hashtables.

2006-07-27  Jan Hubicka  <>

	PR rtl-optimization/28071
	* global.c (greg_obstack): New obstack.
	(allocate_bb_info): Use it.
	(free_bb_info): Likewise.
	(modify_reg_pav): Likewise.

2006-07-27  Roger Sayle  <>

	* builtins.c (fold_fixed_mathfn): When long and long long are the
	same size, canonicalize llceil*, llfloor*, llround* and llrint*
	functions to their lceil*, lfloor*, lround* and lrint* forms.

2006-07-27  Kazuhiro Inaoka  <>

	PR gcc/28508
	* config/m32r/ (branch_insn): Reduce pc range for short
	(rev_branch_insn): Likewise.

2006-07-27  Jan Hubicka  <>

	PR rtl-optimization/28071
	* regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
	(reg_set_in_bb, max_reg_computed): New static variables.
	(regmove_optimize): Free the new array.
	(fixup_match_1): Update call of reg_is_remote_constant_p.

2006-07-26  Jan Hubicka  <>

	PR tree-optimization/27882
	* cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
	and decl fields.
	* cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
	next pointer
	(cgraph_analyze_compilation_unit): Likewise.
	* ipa.c (cgraph_remove_unreachable_nodes): Likewise.
	* ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
	(cgraph_early_inlinine): Make order garbage collected.
	* (gt-ipa-inline): New garbagecollected file.

2006-07-26  Daniel Jacobowitz  <>

	* dbxout.c (output_types_sort): Add a comment.
	(output_used_types): Free the VEC.

2006-07-26  Daniel Jacobowitz  <>

	* function.c (reorder_fix_fragments): Delete.
	(reorder_blocks): Don't call it.
	(reorder_blocks_1): Put all subblocks under the origin block.

2006-07-26  Zdenek Dvorak <>

	PR rtl-optimization/27907
	* expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and

2006-07-25  Roger Sayle  <>

	PR middle-end/28473
	* convert.c (convert_to_integer): When transforming (T)foo(x) into
	bar(x) check that bar's result type can represent all the values of T.

2006-07-25  Zdenek Dvorak <>

	* tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.

2006-07-25  Nick Clifton  <>

	* ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
	size_lookup[] array.
	(ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
	(ggc_pch_count_object): Likewise.
	(ggc_pch_alloc_object): Likewise.
	(ggc_pch_write_object): Likewise.
	(init_ggc): Do not attempt to initialize entries in the
	size_lookup[] array for objects whose size is greater than than
	the length of the array.

2006-07-25  Daniel Jacobowitz  <>

	* dbxout.c (output_used_types_helper): Push queued types
	on a VEC.
	(output_types_sort): New.
	(output_used_types): Collect used types on a VEC and sort them
	before emission.

2006-07-24  Richard Guenther  <>

	PR middle-end/28463
	* cgraph.c (cgraph_remove_node): Do not check if dumps
	are enabled.
	* cgraphunit.c (cgraph_optimize): Likewise.

2006-07-24  Jan Hubicka  <>

	PR rtl-optimization/28071
	* tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
	* tree-iterator.c (tsi_split_statement_list_before): Do not crash when
	splitting before first stmt.

2006-07-24  Jan Hubicka  <>

	PR rtl-optimization/28071
	* ipa-inline.c (update_caller_keys): Remove edges that
	are no longer inline candidates.

2006-07-23  Daniel Jacobowitz  <>

	PR debug/27473
	* dbxout.c (output_used_types_helper, output_used_types): New.
	(dbxout_symbol): Call output_used_types.

2006-07-23  Jan Hubicka  <>

	PR c/25795
	PR c++/27369
	* cgraph.c (cgraph_varpool_nodes): Export.
	(decide_is_variable_needed): Ignored "used" attribute in
	unit-at-a-time mode.
	* cgraph.h (cgraph_varpool_nodes): Declare.
	* cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
	unit-at-a-time mode.

2006-07-23  Roger Sayle  <>

	PR target/28247
	* gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
	mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
	the __gthrw form of thr_keycreate.
	(__gthread_key_delete): Silence the unused argument warning.

2006-07-23  Steven Bosscher  <>

	PR debug/25468
	* config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
	Cache the last found '\0' marker to avoid quadratic behavior.

2006-07-23  Jan Hubicka  <>

	* (subsi_3_zext): Fix output template.

2006-07-21  Mike Stump  <>

	* doc/invoke.texi (C++ Dialect Options): Note that
	-fvisibility-inlines-hidden doesn't affect explicitly
	instantiationed inline methods.

2006-07-20  Roger Sayle  <>

	* config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
	if the target assembler is GNU binutils' gas.
	* config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
	whether to pass GNU gas or native as command line options.

2006-07-20  Jason Merrill  <>

	* tree.c (remove_attribute): New fn.
	* tree.h: Declare it.

2006-07-20  Paul Brook  <>

	PR 27363
	* cse.c (cse_insn): Add destination addresses to hash table. Check if
	they are invalidated by this instruction.

2006-07-21  Danny Smith  <>

	PR target/28427
	* config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.

2006-07-20  Eric Christopher  <>

	PR target/26877
	* config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.

2006-07-19  Eric Christopher  <>

	* config/t-slibgcc-darwin (stmp-lipo): Remove.
	Rewrite dependencies for libgcc_s.1.dylib.

2006-07-19  Jakub Jelinek  <>

	* except.c (duplicate_eh_regions_1): Clear next_peer.

2006-07-17  Nathan Sidwell  <>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Document that
	-mlongcall does not guarantee all calls will be long.
	* doc/extend.texi (long_call/short_call): Document that longcall
	does not guarantee a long call will be used.
	(longcall/shortcall): Likewise.

2006-07-18  Roger Sayle  <>

	PR middle-end/28283
	* expmed.c (expand_shift): Additionally check that the shift_cost
	is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
	before implementing a LSHIFT_EXPR as a sequence of additions.
	* config/sh/sh.c (shift_costs): Return MAX_COST to inform the
	middle-end that DImode shifts need to be synthesized by expand.

2006-07-18  Diego Novillo  <>

	PR 28410
	* tree-ssa-operands.c (access_can_touch_variable): Update
	Return true if ALIAS is .GLOBAL_VAR.

2006-07-18  David Daney  <>

	* gcc.c (display_help): Fix typo in help text.

2006-07-18  Olivier Hainque  <>

	* tree.h (categorize_ctor_elements): Adjust prototype and add
	descriptive comment, both in accordance with the interface change
	described below.
	* varasm.c (constructor_static_from_elts_p): New function.
	Whether a constructor node is a valid static constant initializer
	if all its elements are.
	(initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
	* output.h: Declare it.
	* expr.c (categorize_ctor_elements_1): Return whether the constructor
	is a valid constant initializer instead of computing the number of
	non-constant elements.  Use constructor_static_from_elts_p for this
	purpose.  Replace the head comment with an indication that this is a
	helper for categorize_ctor_elements.
	(categorize_ctor_elements): Same interface change as for the _1
	helper.  Former head comment from this helper moved here, adjusted to
	account for the interface changes.
	(mostly_zeros_p): Adjust call to categorize_ctor_elements.
	(all_zeros_p): Likewise.
	* gimplify.c (gimplify_init_constructor): Decide whether we can make
	static versions of the constructor from the categorize_ctor_elements
	return value instead of the formerly computed number of non-constant

2006-07-18  Paolo Bonzini  <>

	* configure: Regenerate.
	* (build_libsubdir): New configure substitution
	(build_libobjdir): New variable.

2006-07-18  Volker Reichelt  <>

	PR c/28286
	* c-pragma.c (handle_pragma_pack): Handle invalid constants.

2006-07-18  Alexandre Oliva  <>

	PR c/26993
	* c-common.c (handle_weakref_attribute): Ignore attribute in
	the same conditions the alias attribute is ignored.

2006-07-17  Carlos O'Donell  <>

	* dbxout.c (dbxout_function_end): Do not increment scope_labelno.
	(dbxout_begin_prologue): Increment scope_labelno.

2006-07-17  Richard Henderson  <>

	PR 27889
	* tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
	if needed.

2006-07-17  Roger Sayle  <>
	    Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* config/i386/gmon-sol2.c: Silence compilation warnings by partially
	synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
	blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
	functions such as sbrk, write, etc..  Add function prototypes.
	Convert function declarations from K&R to ISO C.  Cast pointers
	to "long" and "unsigned long" instead of "int" and "unsigned int".
	Convert tokens following #endif into comments.

2006-07-17  Toon Moene  <>

	* invoke.texi: Remove mention of f77; Reformat table for
	inline parameter options correctly; mention that -malign-double
	is default on x86-64 targets.

2006-07-17  Zdenek Dvorak <>

	* tree-chrec.c (avoid_arithmetics_in_type_p): New.
	(convert_affine_scev, chrec_convert_aggressive): Use
	avoid_arithmetics_in_type_p.  Do not check for the subtypes

2006-07-17  Richard Sandiford  <>

	PR middle-end/28403
	* optabs.c (expand_doubleword_shift): Wrap the call to
	do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.

2006-07-17  Richard Sandiford  <>

	PR middle-end/28402
	* optabs.c (expand_binop): Pass next_methods rather than methods
	to expand_doubleword_shift.

2006-07-17  J"orn Rennecke  <>

	PR other/28251
	* tree.h (dump_addr): Declare.
	* print-tree.c (dump_addr): New function.
	(print_node_brief, print_node): Use it.
	* print-rtl.c (print_rtx): Likewise.
	* common.opt (-fdump-noaddr): New option.
	* doc/invoke.texi (-fdump-noaddr): Document.
	* loop-unroll.c (si_info_hash): Make hash independent of addresses.
	(ve_info_hash): Likewise.

2006-07-13  Andrew Haley  <>

	PR tree-optimization/19505
	* tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
	edge leaving this block, make sure that the destination of this
	block has only one predecessor.

2006-07-17  Richard Guenther  <>

	PR tree-optimization/28238
	* tree-inline.c (copy_bb): Check if we produced valid
	gimple copying and substituting a stmt.  If not, gimplify

2006-07-16  Eric Botcazou  <>

	* optabs.c (maybe_encapsulate_block): New function extracted from...
	(emit_libcall_block):  Invoke it on the block of insns to
	maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
	(emit_no_conflict_block): Likewise.

2006-07-16  Eric Botcazou  <>

	* doc/install.texi (sparc-sun-solaris2*): Add GMP version number.

2006-07-15  Roger Sayle  <>

	* tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
	a new NOP_EXPR case of the switch statement.

2006-07-15  Kaz Kojima  <>

	PR middle-end/28160
	* stor-layout.c (place_field): Take the bit field with
	an excessive size into account in the ms-bitfiled case.

	PR middle-end/28161
	* stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
	the previous bit field.

2006-07-14  Eliot Dresselhaus  <>

	PR target/27287
	* config/rs6000/ (frob_di_df_2): Add m->r alternative.

2006-07-14  Ulrich Weigand  <>

	* config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
	signal frames correctly even when the signal was installed with
	sa_restorer set.

2006-07-14  Carlos O'Donell  <>

	* dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
	(dbxout_function_end): Use local label LFBB. Remove hook
	(dbxout_source_line): Use local label LFBB.
	(dbxout_block): Likewise.
	(dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
	(dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
	* config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,

2006-07-13  Janis Johnson  <>

	* doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.

2006-07-13  Jan Hubicka  <>

	* cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
	* output.h (align_variable): Declare.
	* varasm.c (align_variable): Export.
	* value-prof.c (tree_value_profile_transformations): Recompute iterator
	when basic block changed.

2006-07-13  Nick Clifton  <>

	* config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
	walking the LOG_LINKS chain.

2006-07-12  Geoffrey Keating  <>

	* doc/invoke.texi (C++ Dialect Options): Explain difference
	between -fvisibility-inlines-hidden and setting hidden
	visibility explicitly.

2006-07-12  Eric Christopher  <>

	* config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
	(stmp-lipo): Depend on libgcc.a.

2006-07-12  Kazu Hirata  <>

	* tree.c: Fix a comment typo.

2006-07-12  Naveen.H.S  <>

	* config/m32c/ (umulhisi3_c): Use only registers for
	(umulhisi3_r): Likewise.

2006-07-12  Paolo Carlini  <>

	PR libstdc++/27878
	* doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
	x < 19, vs wchar_t support.

2006-07-12  Nick Clifton  <>

	* config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
	instead of -isa=sh4.

2006-07-12  Mike Stump  <>

	* protoize.c (edit_fn_definition): Add volatile to clean_text_p.

2006-07-10  Eric Christopher  <>

	* config/t-slibgcc-darwin: Rewrite.

2006-07-10  Laurynas Biveinis  <>

	PR bootstrap/20437
	* (configure): add missing aclocal.m4 and acinclude.m4

2006-07-08  Matthias Klose  <>

	* doc/sourcebuild.texi: Fix typo.

2006-07-07  Mike Stump  <>

	* toplev.c (process_options): Don't give -ffunction-sections may
	affect debugging warning for Mach-O.

2006-07-07  James E Wilson  <>

	* config/mips/ (cpu): Add sb1a.
	* config/mips/ Modify almost all patterns to accept sb1a in
	addition to sb1.  Adjust comments to clarify SB-1A differences from
	(ir_sb1a_load): New.  Modify bypasses to use it.
	(ir_sb1a_simple_alu): Likewise.
	* config/mips/mips.c (mips_cpu_info_table): Add sb1a.
	(mips_rtx_cost_data): Add PROCESSOR_SB1A support.
	(mips_issue_rate): Add PROCESSOR_SB1A.
	(mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
	* config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
	(TUNE_SB1): Likewise.

	* config/mips/mips-protos.h (mips_store_data_bypass_p): New.
	* config/mips/mips.c (mips_store_data_bypass_p): New.
	* config/mips/ Use mips_store_data_bypass_p instead of

2006-07-08  Paul Brook  <>

	PR target/27991
	* config/m68k/ Add r-m patterns for 68881 movxf.

2006-07-07   Richard Guenther  <>

	PR middle-end/28268
	* tree.h (build_one_cst): Declare.
	* tree.c (build_one_cst): New function.
	* tree-ssa-math-opts.c (get_constant_one): Remove.
	(insert_reciprocals): Use build_one_cst.
	* fold-const.c (fold_plusminus_mult): Likewise.

2006-07-07  Roger Sayle  <>

	* pointer-set.c (pointer_set_destroy): Correct whitespace.
	* cfgloopanal.c (dump_graph): Likewise.
	* dojump.c (discard_pending_stack_adjust): Likewise.
	* alloc-pool.c (dump_alloc_pool_statistics): Likewise.
	* function.c (finalize_block_changes): Likewise.
	* gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
	* tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
	* rtl.c (dump_rtx_statistics): Likewise.
	* tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
	* varray.c (dump_varray_statistics): Likewise.
	* dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
	decode_decimal64, encode_decimal128, decode_decimal128,
	decimal_real_to_decimal): Likewise.

2006-07-07  Richard Guenther  <>

	PR tree-optimization/28187
	* tree-vrp.c (vrp_operand_equal_p): New function.
	(vrp_bitmap_equal_p): Likewise.
	(update_value_range): Use them to compare old and new
	max and min values.

2006-07-06  Roger Sayle  <>

	* c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
	a default case to switch statement to silence compiler warnings.

2006-07-06  Roger Sayle  <>

	PR target/27968
	* (HAVE_AS_IX86_FFREEP): On x86 targets check whether
	the configured assembler supports the x87's ffreep mnemonic.
	* configure: Regenerate.
	* Regenerate.

	* config/i386/i386.c (output_387_ffreep): New function.
	(output_fp_compare): Use output_387_ffreep to emit ffreep insns.
	(output_387_reg_move): Likewise.

2006-07-06  Paul Eggert  <>

	Port to hosts whose 'sort' and 'tail' implementations
	treat operands with leading '+' as file names, as POSIX
	has required since 2001.  However, make sure the code still
	works on pre-POSIX hosts.
	* (slowcompare): Port to POSIX 1003.1-2001,
	which says you should use "tail -c +N" rather than "tail +Nc".
	Fix a bug: the old code incorrectly skipped 15 bytes, not 16.

2006-07-06  Zdenek Dvorak <>

	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
	argument name.

2006-07-06  David Edelsohn  <>

	PR target/28150
	* config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
	PRE_{INC,DEC} of TFmode.

2006-07-06  David Edelsohn  <>
	    Alan Modra  <>

	PR target/28170
	* config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
	bounds. Simplify.

2006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	PR target/28285
	* config/alpha/ (alpha_swapped_comparison_operator):
	Remove duplicate gtu.

2006-07-05  Jason Merrill  <>

	PR c++/13983
	PR c++/17519
	* stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
	* c-common.c (handle_packed_attribute): So don't copy it here.
	* c-decl.c (finish_struct): Don't copy TYPE_ALIGN.

2006-07-05  Mike Stump  <>

	* doc/invoke.texi (Invoking G++): Clarify prose for g++.

2006-07-05  H.J. Lu  <>

	PR target/26146
	* config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.

2006-07-05  Richard Guenther  <>

	PR target/28158
	* config/i386/ (*negdf2_1): Restrict pattern to
	TARGET_SSE2 targets if using SSE math.
	(*absdf2_1): Likewise.

2006-07-05  Richard Guenther  <>

	PR tree-optimization/28162
	* fold-const.c (fold_binary): For (-A) * (-B) -> A * B
	make sure to convert the operands to the correct type.

2006-07-04  Paolo Bonzini  <>

	PR tree-optimization/28218

	* tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
	to calculate and free the dominator information.

2006-07-04  Peter O'Gorman  <>

	* chmod 644 before ranlib during install.

2006-07-04  Andrew Stubbs <>
	    J"orn Rennecke <>

	* (.eh_frame data check): Use diff -b.

2006-07-04  Eric Botcazou  <>

	PR bootstrap/18058
	* (BUILD_RTL): Add build/vec.o.
	(build/gencondmd.o): Filter out -fkeep-inline-functions.
	(build/genextract): Delete.
	(build/genautomata): Likewise.

2006-07-04  Alan Modra  <>

	PR target/28207
	* config/rs6000/rs6000.c (function_arg_boundary): Double-word align
	128-bit IBM long doubles for ABI_V4.

2006-07-03  Eric Botcazou  <>

	* tree.c (range_in_array_bounds_p): New predicate.
	* tree.h (range_in_array_bounds_p): Declare it.
	* tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
	return a less conservative answer.
	* tree-sra.c (struct sra_elt): Add new pointer field 'groups'
	and flag 'is_group'.
	(next_child_for_group): New helper function.
	(can_completely_scalarize_p): Take into account groups.
	(sra_hash_tree): Handle RANGE_EXPR.
	(sra_elt_eq): Likewise.
	(lookup_element): Be prepared for handling groups.
	(is_valid_const_index): Delete.
	(maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
	instead of is_valid_const_index.
	<ARRAY_RANGE_REF>: New case.
	(sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
	<ARRAY_RANGE_REF>: Do not unconditionally punt.
	(scan_dump): Dump info for groups too.
	(decide_instantiation_1): Likewise.
	(decide_block_copy): Assert that the element is not a group.
	Propagate decision to groups.
	(generate_one_element_ref): Handle RANGE_EXPR.
	(mark_no_warning): Iterate over actual childs.
	(generate_copy_inout): Likewise.
	(generate_element_copy): Likewise.
	(generate_element_zero): Likewise.
	(generate_element_init_1): Likewise.
	(dump_sra_elt_name): Handle RANGE_EXPR.

2006-07-03  Roger Sayle  <>

	PR tree-optimization/26251
	* tree-ssa-threadupdate.c (redirection_block_p): New function.
	(thread_block): When optimizing for size refuse to thread jumps
	that would require duplication of blocks other than redirection

2006-07-03  Paolo Bonzini  <>

	* Fix thinko in previous check-in.
	* configure: Regenerate.

2006-07-03  Paolo Bonzini  <>

	PR other/27063
	* (for lang...): Simplify nesting of conditionals.
	Test subdir_requires for non-enabled languages.  Move processing
	of lang_opt_files and lang_tree_fiels below that test.
	* configure: Regenerate.
	* doc/sourcebuild.texi (Front End Config): Document subdir_requires.

2006-07-01  Martin Michlmayr  <>

	* doc/gcov.texi (Invoking Gcov): Add a missing word.

2006-06-30  Kazu Hirata  <>

	* cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
	comment typos.

2006-06-29  Jason Merrill  <>

	PR c++/26905
	PR c++/26612
	PR c++/27000
	PR c++/26984
	PR c++/19134
	* tree.c (build_decl_stat): Don't hande #pragma visibility here.
	* c-common.c (c_determine_visibility): Handle it here.
	* c-decl.c (finish_decl): Call c_determine_visibility for
	functions, too.
	* flags.h (enum symbol_visibility): Sort from most to least visibility.
	* tree.h: Likewise.
	* varasm.c (default_assemble_visibility): Likewise.
	* c-common.c (handle_visibility_attribute): Complain about trying
	to give visibility to an already defined class, or trying to change
	declared visibility. Always attach the attribute.

	PR c++/26905
	PR c++/21675
	PR c++/17470
	* attribs.c (decl_attributes): Ignore type-in-place attributes
	once the type has been defined.

2006-06-29  Roger Sayle  <>

	PR middle-end/27428
	* c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
	to indicate the cpplib has issued an error message for us.

2006-06-29  Asher Langton  <>

	PR target/25765
	* config/i386/i386.c (ix86_output_function_epilogue): Don't
	insert a label at the end of an function under Mach-O.

2006-06-29  Eric Christopher  <>
	    Evan Cheng  <>

	* (vector_all_ones_operand): New.
	(nonimmediate_or_sse_const_operand): Ditto.
	* config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
	* config/i386/i386.c (standard_sse_constant_opcode): Define.
	(standard_sse_mode_p): Ditto.
	(standard_sse_constant_p): Add case for -1 vector.
	(ix86_expand_vector_move): Try to use.
	* (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
	Call standard_sse_constant_opcode.
	(*movv4sf_internal): Ditto.
	(*movv2df_internal): Ditto.

2006-06-29  Roger Sayle  <>

	* genpreds.c (write_match_code_switch): Correctly use XSTR instead
	of XEXP to extract the operands of a MATCH_CODE rtx.

2006-06-28  Andrew Pinski  <>

	* tree.c (tree_size): Do not waste tail padding in
	struct tree_string and make the size be the same as
	build_string will generate.

2006-06-28  Jason Merrill  <>

	PR c++/27768
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
	may_aliases already in the tag's annotations to the bitmap.

2006-06-28  Roger Sayle  <>

	* genpreds.c (write_predicate_stmts) <IOR>: Add missing break.

2006-06-28  Roger Sayle  <>

	* genpreds.c (generate_switch_p): New function.
	(add_mode_tests): Push the new mode test down inside an AND expr
	if this allows the switch-suitable MATCH_CODE to be near the root.
	(write_match_code_switch): New function to write a MATCH_CODE as
	a switch statement.
	(write_predicate_stmts): New function to write a predicate RTX
	expression as a sequence of statements.
	(write_one_predicate_function): Use write_predicate_stmts.
	(write_tm_constrs_h): Likewise.

2006-06-26  Fred Fish  <>

	* config/mips/t-sb1: New file.
	* config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
	tmake_file list.

2006-06-26  DJ Delorie  <>

	* config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.

2006-06-26  Naveen H.S  <>
	    Jayant Sonar  <>
	    Jaydeep Vipradas  <>

	* config/m32c/ (addsi3, addsi3_1, addsi3_2): New.
	(subsi3, subsi3_1, subsi3_2): New.
	* config/m32c/ (andsi3, iorsi3, xorsi3): New.
	* config/m32c/ (SI mov peephole): New.
	* config/m32c/m32.c (m32c_immd_dbl_mov): New.
	* config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.

2006-06-26  Olivier Hainque  <>

	* function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
	a CALL_EXPR target function declaration.

2006-06-26  Richard Guenther  <>

	* tree.c (build_string): Do not waste tail padding in
	struct tree_string.

2006-06-26  Richard Guenther  <>

	* ggc-page.c (init_ggc): Add missing element to size_lookup

	2006-06-23  Richard Guenther  <>

	* ggc-page.c (init_ggc): Do not round up the extra_order_size_table
	sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
	alignment requests instead.  Add verification code.
	Add struct tree_function_decl and struct tree_binfo size to
	extra_order_size_table.  Add missing element to size_lookup

2006-06-25  Eric Botcazou  <>

	PR middle-end/28151
	* fold-const.c (const_binop): Be prepared for self returning zero.
	Simplify code handling complex values.

2006-06-24  Olivier Hainque  <>

	* gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
	(gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
	aggregate types.

2006-06-24  Olivier Hainque  <>

	* tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
	ARRAY_REF, so have the callback called for the low bound expression.

2006-06-23  Janis Johnson  <>

	* tree.h (DECIMAL_FLOAT_TYPE_P): New.
	* c-typeck.c (c_common_type): Disallow operations on decimal float
	types and other float types.
	* convert.c (convert_to_real): Don't ignore conversions involving
	decimal float types.

2006-06-23  Olivier Hainque  <>

	* tree.c (max_int_size_in_bytes): New function, inspired from
	code in function.c:assign_temp.
	* tree.h (max_int_size_in_bytes): Declare.
	* function.c (assign_temp): Use it.
	* gimplify.c (create_tmp_var): Relax the assertions on the type
	properties, not mandating constant size any more.
	(force_constant_size): New static function.
	(gimple_add_tmp_var): Use it, forcing variable size to a
	constant upper bound if it is not constant on entry.

2006-06-23  Danny Smith   <>

	PR target/27789
	* config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
	for initialization and setting of one_only flag to ...
	(i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
	Recheck that the symbol has not been defined.

2006-06-23  Richard Guenther  <>

	* ggc-page.c (init_ggc): Do not round up the extra_order_size_table
	sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
	alignment requests instead.  Add verification code.
	Add struct tree_function_decl and struct tree_binfo size to
	extra_order_size_table.  Add missing element to size_lookup

2006-06-22  Roger Sayle  <>
	    John David Anglin  <>

	PR middle-end/28131
	* expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
	call to lang_hooks.types.type_for_mode returned NULL_TREE.

2006-06-23  Ben Elliston  <>

	* dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
	negate dn -- manipulate it directly.

2006-06-22  Roger Sayle  <>
	    Steven Bosscher  <>

	PR target/27531
	* reload1.c (gen_reload): Call mark_jump_label on the new insns
	generated by gen_move_insn to add REG_LABEL notes if necessary.

2006-06-22  Bob Wilson  <>

	* config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
	(leaf_entry): Remove use of MIN_ESA.

2006-06-22  Zdenek Dvorak <>

	PR rtl-optimization/28121
	* cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
	the entry edge.

2006-06-21  DJ Delorie  <>

	* config/m32c/ (mulhisi3_i): Only use registers for dest
	(mulhisi3_r): Likewise.

2006-06-21  Richard Sandiford  <>

	PR middle-end/28034
	* coverage.c (coverage_counter_alloc): Leave the index type
	(coverage_counter_alloc): Use null arguments for operands 2 and 3
	of the ARRAY_REF.

2006-06-21  Andrew Pinski  <>

	* doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
	section from the "Options for Code Generation Conventions".

2006-06-21  Richard Henderson  <>

	PR target/26347
	PR target/27082
	* config/alpha/ (small_symbolic_operand): Deny weak
	(global_symbolic_operand): Allow weak symbols, even if local_p.

2006-06-21  Eric Botcazou  <>

	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
	(find_interesting_uses_address): Punt if above function returns true.

2006-06-21  Richard Guenther  <>

	* configure: Regenerated.

2006-06-21  Joseph Myers  <>

	* config/mips/mips.c (function_arg): Where one part of a
	complex argument is in registers and the other part in the stack,
	return a REG not a PARALLEL.

2006-06-21  Mark Mitchell  <>

	* Set gcc_gxx_include_dir to $target/include/c++
	when cross-compiling.  Do not substitute libstdcxx_incdir.
	* configure: Regenerated.

2006-06-21  Jakub Jelinek  <>

	* varasm.c (mergeable_string_section): Check for embedded NULs and
	NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
	rather than TREE_STRING_LENGTH bytes.

2006-06-21  Richard Guenther  <>

	* ggc-page.c (extra_order_size_table): Add var_ann_d,
	tree_ssa_name, bitmap_element and phi_node with 4 arguments

2006-06-21  Richrad Guenther  <>

	* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
	Limit iteration over the dominators.

2006-06-20  Roger Sayle  <>

	* config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
	(SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.

2006-06-20  Richard Guenther  <>
	Michael Matz  <>

	* alloc-pool.h (free_alloc_pool_if_empty): Prototype new
	* alloc-pool.c (free_alloc_pool_if_empty): New function.
	* et-forest.h (et_free_pools): Prototype new function.
	* et-forest.c (et_free_tree_force): Free parent occurrence.
	(et_free_pools): New function.
	* dominance.c (free_dominance_info): Free et-forest alloc

2006-06-20  Roger Sayle  <>

	* expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
	integer modes, attempt to directly construct an integer constant.

	* fold-const.c (native_encode_vector): Determine the size of each
	element from the vector type instead of the first vector element.

	* tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
	if all of its elements/components are constant.
	(build_constructor_from_list): Likewise.

2006-06-20  Zdenek Dvorak <>

	PR tree-optimization/27331
	* tree-data-ref.c (free_data_ref): New function.
	(create_data_ref): Fail if the data reference has unknown access
	(free_data_refs): Use free_data_ref.

2006-06-19  Andrew Pinski  <>

	PR middle-end/28075
	* tree-inline.c (setup_one_parameter): Strip useless
	type conversion before adding it to the IR.
	(declare_return_variable): Likewise.

2006-06-19  Martin Michlmayr  <>

	PR c/27149
	* c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.

2006-06-19  Mike Stump  <>

	* tree.c (variably_modified_type_p): VM arguments don't make the
	type a VM type.

2006-06-19  Richard Guenther  <>

	* tree-ssa-pre.c (try_combine_conversion): Strip useless
	type conversions after folding.

2006-06-19  Richard Guenther  <>

	* ggc-page.c (extra_order_size_tab): Add entries with
	size of struct function and basic_block.
	(size_lookup): Extend to cover sizes up to 511.
	(ggc_alloc_stat): Adjust user.
	(ggc_pch_count_object): Likewise.
	(ggc_pch_alloc_object): Likewise.
	(ggc_pch_write_object): Likewise.

2006-06-19  Zdenek Dvorak <>

	* tree-ssa-loop-niter.c (implies_ge_p): New function.
	(derive_constant_upper_bound): Handle OP0 - CST in unsigned types

2006-06-19  Denis Chertykov  <>

	* config/avr/libgcc.S : Correct my wrong previous commit.

2006-06-19  Roger Sayle  <>

	PR target/27861
	* expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
	have stripped a SUBREG from the shift count, so we may need to
	convert_to_mode back to the type's mode before calling make_tree.
	Use new_amount instead of amount to avoid expanding a tree twice.

2006-06-19  Richard Guenther  <>

	PR middle-end/28045
	* fold-const.c (operand_equal_p): Check if the argument types
	have the same precision before stripping NOPs.

2006-06-19  Daniel Berlin  <>

	Fix PR tree-optimization/27341
	* tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
	statement we get.
	* tree-complex.c (pass_lower_complex): Update SMT usage.

2006-06-19  Andreas Krebbel  <>

	* config/s390/ ("doloop_si64", "doloop_si31", "doloop_di"):
	Add a new alternative to the constraint strings. Add move of
	operand 1 to 3 to the splitter definition.
	("doloop_si_long"): Second contraint alternative removed.

2006-06-08  Anatoly Sokolov <>

	* config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
	(AVR_HAVE_MOVW) Define.
	(ASM_SPEC): Add avr25.
	(LINK_SPEC): Add avr25.
	* config/avr/avr.c (avr_have_movw_lpmx_p): Add.
	(base_arch_s): Add new member 'have_movw_lpmx'.
	(avr_arch_types): Init 'have_movw_lpmx'.
	(avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
	attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
	attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
	(avr_override_options): Init 'avr_have_movw_lpmx_p'.
	(output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
	(avr_file_start): Do not output '.arh' derective.
	* config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
	(__do_copy_data): Use __AVR_HAVE_LPMX__.
	* config/avr/ (mcu_enhanced): Delete.
	(mcu_have_movw): Define.
	(negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
	(call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
	* config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
	(MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
	attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
	attiny861 and at86rf401 devices.

2006-06-18  Jie Zhang  <>

	* config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
	of 4096.

2006-06-17  Karl Berry  <>

	* doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
	doc/gccint.texi, doc/install.texi (@dircategory): Use
	"Software development" instead of "Programming", following
	the Free Software Directory.

2006-06-17  Alexandre Oliva  <>

	* config/i386/i386.c (legitimate_tls_address)
	<TARGET_GNU2_TLS>: Add tp after DTPOFF.
	* config/i386/ (*tls_dynamic_gnu2_combine_32): Adjust.
	(*tls_dynamic_gnu2_combine_64): Likewise.

2006-06-16  Richard Guenther  <>

	PR middle-end/27116
	* fold-const.c (negate_expr_p): Do not introduce undefined
	overflow in negating INTEGER_CSTs.
	(fold_negate_expr): Rename from negate_expr.  Revert last
	change for folding BIT_NOT_EXPR.  Change semantics to
	return NULL_TREE for non-simplified negations.  Do not
	strip type conversions and unify type handling.
	(negate_expr): New function, wrap around fold_negate_expr
	but ensure building a tree always.  Strip type conversions
	here, fold to result type.
	(fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.

2006-06-16  Roger Sayle  <>

	PR middle-end/27802
	* reg-stack.c (subst_stack_regs): Handle noreturn function calls
	that (would) return their results in stack registers.

2006-06-16  Michael Matz  <>
	Richard Guenther  <>

	* fold-const.c (fold_truthop): Only return new tree node if
	we canonicalized something.

2006-06-16  Richard Guenther  <>

	* function.h (enum function_frequency): Move declaration
	out of struct function.
	(struct function): Move bool fields and the enum to the bitfield
	section.  Reorder elements to avoid padding.  Remove unused
	fields left over from the RTL inliner removal.
	* function.c (free_after_compilation): Do not zero removed fields.
	* (ipa-reference.o): Add $(FUNCTION_H) dependency.
	(ipa-type-escape.o): Likewise.

2006-06-16  Richard Guenther  <>

	* cgraph.h (struct cgraph_local_info): Turn bool elements
	into a bitfield.
	(struct cgraph_node): Likewise.
	(struct cgraph_varpool_node): Likewise.

2006-06-15  Richard Guenther  <>

	* fold-const.c (fold_truth_not_expr): Rename from
	invert_truthvalue.  Give it fold_* semantics to avoid
	generating garbage.
	(invert_truthvalue): New function.  Wrapper around
	(optimize_minmax_comparison): Avoid creating garbage.
	(fold_unary): Use fold_truth_not_expr for folding
	(fold_ternary): Replace uses of invert_truthvalue with
	fold_truth_not_expr where applicable.
	* tree.h (fold_truth_not_expr): Prototype.

2006-06-16  Richard Guenther  <>

	PR tree-optimization/27781
	* (ipa-pure-const.o): Add $(TARGET_H) dependency.
	* ipa-pure-const.c (target.h): Include.
	(analyze_function): Do not analyze functions that do not
	bind locally.

2006-06-15  Andrew MacLeod  <>

	PR middle-end/27793
	* tree-dfa.c (referenced_vars_dup_list): Remove.
	(find_referenced_vars): Remove assert.
	(referenced_var_check_and_insert): Replace dup list with assert.
	* tree-ssa.c (delete_tree_ssa): Remove dup list processing.
	* tree-flow.h (referenced_vars_dup_list): Remove extern decl.

2006-06-15  Richard Guenther  <>

	* tree-ssa-structalias.c (alias_get_name): Avoid creating
	extra unused identifiers if not dumping.
	(create_variable_info_for): Likewise.

2006-06-15  Zdenek Dvorak <>

	* tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
	(derive_constant_upper_bound): Derive more precise upper bound in
	common cases.  Return type changed to double_int.
	(record_estimate): Reflect the changed return type of
	* double-int.c (double_int_zext, double_int_sext): Fix.

2006-06-15  Paolo Bonzini  <>

	* (CFLAGS): Get them from the toplevel or from the
	configure invocation.
	* configure: Regenerate.
	* (CFLAGS): Substitute value provided by configure.

2006-06-14  Mark Mitchell  <>

	PR c++/26559
	* c-common.h (c_finish_omp_atomic): Adjust declaration.
	* c-omp.c (c_finish_omp_atomic): Return the expression to perform,
	rather than calling add_stmt on it.
	* c-parser.c (c_parser_omp_atomic): Adjust accordingly.

2006-06-14  Andreas Krebbel  <>

	PR middle-end/27959
	* reload1.c (reload): Remove registers returned by update_eliminables
	from used_spill_regs.

2006-06-13  DJ Delorie  <>

	* config/m32c/ (mulpsi3): Expect arbitrary constants.

2006-06-13  Carlos O'Donell  <>

	html__strip_dir, html__mkdir_p. Enhance install-html target.
	* AC_SUBST datarootdir, docdir and htmldir.
	* configure: Regenerate.

2006-06-13  Fariborz Jahanian <>

	* fold-const.c (fold_cond_expr_with_comparison): Check for
	Objective-C++ as language in deciding COND_EXPR transformation.

2006-06-06  J"orn Rennecke <>

	PR target/28014:
	* config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
	* config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
	* config/sh/lib1funcs.h (SL, SL1): Define.
	* config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
	* longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
	* config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
	(OBJS_Os_4_200): New variable.
	($(T)libgcc-Os-4-200.a): Use it.
	* (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
	when dividing 1 and/or by 0.

2006-06-13  Roger Sayle  <>

	* (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
	before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
	* configure: Regenerate.

2006-06-13  Jie Zhang  <>

	* config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
	for real instruction.

2006-06-13  Maxim Kuvyrkov  <>

	PR middle-end/26807
	* haifa-sched.c (check_cfg): Handle special case.

2006-06-13  Eric Botcazou  <>

	PR debug/26754
	* gimplify.c (declare_tmp_vars): Rename into declare_vars.
	Add debug_info parameter.  Chain the vars to the BLOCK instead
	of the BIND_EXPR if debug info are requested for them.
	(pop_gimplify_context): Adjust for above change.
	(gimple_add_tmp_var): Likewise.
	* tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
	Add bool parameter.
	* tree-nested.c (convert_nonlocal_reference): Adjust for above change.
	(convert_local_reference): Likewise.
	(get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
	(finalize_nesting_tree_1): Request that debug info be emitted
	for debug_var_chain.

2006-06-13  Maxim Kuvyrkov  <>

	* haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
	for PR target/27863.

2006-06-13  Richard Guenther  <>

	PR middle-end/27536
	* except.c (output_ttype): Expand type with EXPAND_INITIALIZER.

2006-06-13  Richard Guenther  <>

	PR tree-optimization/27830
	* tree-inline.c (copy_body_r): For copying the operand
	of an ADDR_EXPR make sure to fold &* afterwards.

2006-06-12  Eric Botcazou  <>

	* gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
	lvalues in the fb_none case with side-effects.

2006-06-12  Kazu Hirata  <>

	* tree-flow.h: Remove the prototype for
	* tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
	protect_loop_closed_ssa_form, compute_phi_arg_on_exit):

2006-06-12  Mark Shinwell  <>

	* builtins.c (expand_builtin_return_addr): Only use
	frame_pointer_rtx when count == 0 and we are expanding

2006-06-12  Fred Fish  <>

	* config/mips/mips.c (mips_file_start): Create special section
	".gcc_compiled_longXX" for o64 ABI as well as EABI.

2006-06-11  Eric Christopher  <>

	PR middle-end/27948
	* stor-layout.c (place_field): Remove check for
	remaining_in_alignment when aligning at the end of a run.

2006-06-11  Eric Christopher  <>

	PR 27542
	* doc/extend.texi (Structure-Packing Pragmas): Document ms_struct

2006-06-11  Roger Sayle  <>

	PR target/27858
	Revert incorrect fix for PR target/27158
	2006-05-08  Roger Sayle  <>
	* reload.c (find_reloads_toplev): Only return the simplified SUBREG
	of a reg_equiv_constant if the result is a legitimate constant.

2006-06-11  Roger Sayle  <>

	PR target/27158
	* config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
	extract a CONST_VECTOR element and interpret it as an integer.
	(vspltis_constant): Use const_vector_elt_as_int instead of the
	macro CONST_VECTOR_ELT in order to handle FP vector modes.
	* config/rs6000/ (easy_vector_const): Consider
	floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.

2006-06-11  Kaz Kojima  <>

	PR middle-end/27942
	* stor-layout.c (update_alignment_for_field): Don't add extra
	alignment for packed non-bitfield fields in ms_bitfield_layout_p

2006-06-09  Ralf Corsepius  <>

	* config/mips/t-rtems: Add EL/EB multilib variants.

2006-06-09  Mike Stump  <>

	* c-typeck.c (c_begin_vm_scope): Fix file_scope processing.

2006-06-09  David Daney  <>

	* doc/install.texi: Add binutils version recommendation for mips-*-*.

2006-06-09  Andreas Krebbel  <>

	* reload.c (find_reloads): Unset force_reload for 'X' constraint.

2006-06-09  Richard Guenther  <>

	PR tree-optimization/26998
	* tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
	of signed types, only TYPE_MIN_VALUE is special, but for both,
	minimum and maximum value.  Likewise VR_ANTI_RANGE is special
	in this case, as is -fwrapv.

2006-06-08  Mike Stump  <>

	PR target/26427
	* config/darwin.c (darwin_asm_output_anchor): Disable
	-fsection-anchors on darwin for now.
	* config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
	* rs6000/rs6000.c (optimization_options): Likewise.

2006-06-08  Volker Reichelt  <>

	PR target/27421
	* config/i386/i386.c (classify_argument): Skip fields with invalid
	types in unions.

2006-06-08  Steven Bosscher  <>

	* cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
	(cse_insn): Likewise for the stack_pointer_rtx.

2006-06-08  Roger Sayle  <>

	* tree-ssa-dom.c (record_conditions): Only record "unordered"
	conditions from floating point comparisons.

2006-06-08  Paolo Bonzini  <>

	PR middle-end/27733
	* expmed.c (struct alg_hash_entry): Fix type of field T
	to match synth_mult argument.
	(NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.

2006-06-08  Maxim Kuvyrkov  <>

	PR target/27863
	* haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
	block boundaries.

2006-06-08  Richard Guenther  <>

	PR middle-end/27116
	* fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
	only, if overflow is defined and not trapping.
	(negate_expr): Likewise.

2006-06-07  Zdenek Dvorak <>

	PR tree-optimization/27872
	* tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
	flag on the new exit edge of the unrolled loop.

2006-06-07  Zdenek Dvorak <>

	PR rtl-optimization/26449
	* loop-invariant.c (move_invariant_reg): Fail if force_operand fails.

2006-06-07  Andrew MacLeod  <>

	PR middle-end/27793
	* tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
	referenced_variables with matching DECL_UID's.
	(find_referenced_vars): Make sure duplicate list is empty to start.
	(referenced_var_p): Remove.
	(referenced_var_check_and_insert): Renamed from referenced_var_insert.
	Check if var is in the list, and add if needed.  Update the duplicate
	list if a different var is in the list with the same DECL_UID.
	(add_referenced_var): Call routine to check and insert.
	* tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
	* tree-flow.h (referenced_vars_dup_list): External declaration.

2006-06-07  Fred Fish  <>

	* config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
	into single entry.

2006-06-07  Paolo Bonzini  <>

	PR target/27390
	* reg-stack.c (subst_stack_regs_pat): Reorder resetting of
	the imaginary and real parts of a clobbered register.
	Emit insn to set the imaginary part.

2006-06-06  Peter Lemieszewski  <>

	* config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
	in lieu of unwind-dw2-fde.c.

2006-06-06  Francois-Xavier Coudert  <>

	* config/i386/mingw32.h (GOMP_SELF_SPECS): Define.

2006-06-06  Ulrich Weigand  <>

	PR target/27842
	* config/rs6000/ (UNSPEC_VSLW): Remove.
	("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
	("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
	V4SImode temporaries and operations instead.

2006-06-06  Joseph S. Myers  <>

	* config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not

2006-06-06  Mike Stump  <>

	* Rename to htmldir to build_htmldir to avoid
	installing during build.

2006-06-06  Maxim Kuvyrkov  <>

	* params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
	value to 0.
	* doc/invoke.texi (max-sched-extend-regions-iters): Document.
	* config/ia64/ia64.c (params.h): New header.
	(ia64_optimization_options): New function to adjust parameters.
	* config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
	* config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
	* config/ia64/t-ia64 (ia64.o): Add dependence from params.h .

2006-06-05  Kazu Hirata  <>

	* stor-layout.c (debug_rli): Fix a typo in a debug message.

2006-06-05  Steve Ellcey  <>

	PR target/27051
	* config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.

2006-06-05  Dorit Nuzman  <>
	    Victor Kaplansky  <>

	PR tree-optimization/26360
	* tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern

2006-06-04  Roger Sayle  <>
	    Andrew Pinski  <>

	PR middle-end/27382
	* c-common.c (c_common_truthvalue_conversion): Explicitly check
	for LABEL_DECL before calling DECL_WEAK.

	PR c/27150
	* c-typeck.c (build_binary_op): Likewise, explicitly check for

2006-06-05  Joseph S. Myers  <>

	PR c/25161
	PR c/27020
	* c-decl.c (grokdeclarator): Disallow variably modified types at
	file scope.  Avoid marking shared array type of constant size as

2006-06-04  Volker Reichelt  <>

	PR c++/27601
	* c-common.c (fold_offsetof_1): Handle static members.

2006-06-04 Eric Christopher <>

	* stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
	(debug_rli): Output value for remaining_in_alignment.
	(update_alignment_for_field): Unconditionalize
	ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
	extra alignment code.
	(place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
	ms_bitfield_layout_p code. Rewrite handling of structure fields.
	* tree.h (record_layout_info_s): Remove prev_packed.
	* doc/extend.texi (ms_struct): Add documentation of format.

2006-06-04  Mark Shinwell  <>

	* tree.h: Declare folding_initializer.
	* builtins.c (fold_builtin_constant_p): Give definite answer
	if folding inside an initializer.
	* fold-const.c: Define folding_initializer.
	(START_FOLD_INIT): Save and then set folding_initializer.
	(END_FOLD_INIT): Restore folding_initializer.

2006-06-04  Richard Guenther  <>

	PR tree-optimization/27039
	* fold-const.c (fold_comparison): Handle pointer comparison
	again for all comparison codes.  Compare offsets in signed
	size type.
	(fold_binary): Move code from here.

2006-06-03  Roger Sayle  <>

	PR target/26223
	* config/i386/i386.c (construct_container): Split static issued_error
	flag into issued_sse_arg_error, issued_sse_ret_error and
	issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
	requires the use of x87 registers and the user explicitly
	specified the -mno-80387 command line option.

2006-06-02  Geoffrey Keating  <>

	* config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
	(MC_FLD): New.
	(segv_handler): Use MC_FLD.
	* Check for a sigaltstack declaration.
	* configure: Regenerate.
	* Regenerate.

2006-06-03  J"orn Rennecke <>

	PR other/27850
	* (stmp-fixinc): Fix typo.

2006-06-02  Roger Sayle  <>

	* fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
	are type correct.  Clean-up.
	<REALPART_EXPR>: Likewise.  Optimize creal(~z) as creal(z).
	<IMAGPART_EXPR>: Likewise.  Optimize cimag(~z) as -cimag(z).

2006-06-01  DJ Delorie  <>

	* config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
	shift, as we've disabled the "switch" insn that needs it.

2006-06-01  Per Bothner  <>

	Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
	* c-opts.c (finish_options): Use internal line 0 for <command-line>.
	* c-ppoutput.c (cb_define): Don't increment line 0.

2006-06-01  Pete Steinmetz  <>

	* doc/invoke.texi: Add cpu_type power6.
	* config.gcc: Add cpu_type power6.
	* config/rs6000/rs6000.c (rs6000_override_options): Alias power6
	to power5+ with Altivec.
	* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.

2006-05-30  Anatoly Sokolov <>

	* config/avr/avr.h (SET_ASM_OP): Define.

2006-06-01  Kazu Hirata  <>

	* config/bfin/bfin.c: Fix comment typos.

2006-06-01  Paolo Bonzini  <>

	PR 25453
	* doc/install.texi: Document --enable-bootstrap and

2006-06-01  Paolo Bonzini  <>

	* doc/install.texi: Document that InfoZIP can replace jar.

2006-05-31  Roger Sayle  <>

	* config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
	isn't available, directly generate the simpler x87 patterns without
	the (use (const_int 0)).
	* config/i386/ (*negsf2_1): Enable pre-reload if the SSE
	implementation isn't available.
	(*negdf2_1): Likewise.
	(*negxf2_1): XF mode negation is always done using the x87.
	(*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.

2006-05-31  Roger Sayle  <>

	* builtins.c (fold_builtin_cabs): Delete prototype.  Require an
	additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
	(fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.

2006-05-31  Jie Zhang  <>

	* config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
	* config/bfin/bfin.c (basic-block.h): Include.
	(struct machine_function): New.
	(bfin_init_machine_status): New.
	(override_options): Initialize init_machine_status.
	(bfin_hardware_loop): New.
	(DEF_VEC_P (loop_info)): New.
	(DEF_VEC_ALLOC_P (loop_info,heap)): New.
	(struct loop_info): New.
	(loop_info): New typedef.
	(struct loop_work): New.
	(loop_work): New typedef.
	(DEF_VEC_O (loop_work)): New.
	(DEF_VEC_ALLOC_O (loop_work,heap)): New.
	(bfin_dump_loops): New.
	(bfin_bb_in_loop): New.
	(bfin_scan_loop): New.
	(bfin_optimize_loop): New.
	(bfin_reorg_loops): New.
	(bfin_reorg): Use bfin_reorg_loops.
	* config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
	loop registers.
	(I_REGNO_P): Simplify.
	(DP_REGNO_P, DPREG_P): New macros.
	REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
	(REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
	'l' for LB_REGS.
	(REGNO_REG_CLASS): Deal with loop registers.
	* config/bfin/ Add comment for 't', 'k', 'l' constraint
	New constants for loop registers.
	(seq_insns): New define_attr. Set it for appropriate insns.
	(movsi_insn): Add alternatives for move from/to
	loop count registers.
	(doloop_end): New define_expand.
	(loop_end): New define_insn.
	(define_split for bad doloop_end): New.
	(lsetup_with_autoinit): New define_insn.
	(lsetup_without_autoinit): New define_insn.
	(rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
	* config/bfin/ (lc_register_operand): New.
	(lt_register_operand): New.
	(lb_register_operand): New.
	(nondp_register_operand): New.
	(nondp_reg_or_memory_operand): New.
	* doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.

2006-05-31  Jie Zhang  <>

	* config/bfin/bfin.c (bfin_delegitimize_address): New.

2006-05-31  Daniel Jacobowitz  <>

	* (CATALOGS): Add po/ prefix.
	* configure: Regenerated.

2006-05-31  Richard Earnshaw  <>

	PR target/27829
	* arm.c (arm_print_operand case 'S'): Validate that the operand is
	a shift operand before calling shift_op.  Avoid redundant call of

2006-05-30  Naveen.H.S  <>
	    DJ Delorie  <>

	* config/m32c/m32c.c (m32c_expand_insv): Check that the value
	we're inserting is a singlt-bit constant.

2006-05-30  Roger Sayle  <>

	* simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
	width to HOST_WIDE_INT to avoid comparison warnings on some targets.

2006-05-30  Roger Sayle  <>

	PR tree-optimization/23452
	* fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
	to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
	(fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
	complex values and with -ffast-math for FP complex values.

2006-05-30  Kazu Hirata  <>

	* c-common.h: Remove the prototype for yyparse.
	* rtl.h: Remove the prototype for init_loop.

2006-05-30  Andreas Krebbel  <>

	* cse.c (validate_canon_reg, cse_insn): Don't change insns without
	calling recog.

2006-05-30  Roger Sayle  <>

	* simplify-rtx.c (simplify_binary_operation): Unfactor the shift
	and rotate cases.
	<LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
	log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.

2006-05-30  Dirk Mueller  <>

	PR c/27273
	* c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
	for CONSTANT_CLASS_P expresisons.

2006-05-30  Volker Reichelt  <>

	PR c/27718
	* c-typeck.c (c_expr_sizeof_type): Handle invalid types.

2006-05-30  Zdenek Dvorak <>

	PR tree-optimization/27779
	* tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
	initial_condition instead of CHREC_LEFT.

2006-05-30  Steven Bosscher  <>

	* config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
	* config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
	Make prototypes ISO C90.

2006-05-30  Mircea Namolaru  <>
	    Leehod Baruch    <>

	* see.c (see_analyze_one_def): Correct check.
	(see_get_extension_data): Check if extension is parallel.
	(see_get_extension_reg): Likewise.

2006-05-30  Uros Bizjak  <>

	PR target/27790
	* config/i386/i386.c (ix86_expand_int_vcond): Force cop0
	into register for (code == GTU).

2006-05-29  Roger Sayle  <>

	PR tree-optimization/24964
	* simplify-rtx.c (simplify_binary_operation_1): Add function comment.
	<MULT>: Minor clean-up.  Don't convert x*-1.0 into -x if we honor
	signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
	abs(x)*abs(x) as x*x for scalar floating point modes.

2006-05-29  Sebastian Pop  <>

	PR middle-end/27745
	* lambda-code.c (perfect_nestify): Don't copy statements
	in the inner loop: move them to the inner loop header.

2006-05-29  Diego Novillo  <>

	PR 26237
	* c-tree.texi: Document OpenMP directives and clauses.

2006-05-29  Kazu Hirata  <>

	* varasm.c (globalize_decl): Fix indentation.

2006-05-29  Diego Novillo  <>

	PR 26242
	* doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
	pass_fre, pass_store_ccp, pass_copy_prop,
	pass_store_copy_prop, pass_merge_phi, pass_nrv,
	pass_return_slot, pass_object_size, pass_lim,
	pass_linear_transform, pass_empty_loop, pass_complete_unroll,
	pass_loop_prefetch and pass_stdarg.

2005-05-29  Bernd Schmidt  <>

	* config/bfin/bfin.opt (mfdpic): New option.
	* config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
	* config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
	* config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
	* config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
	FD-PIC moves.
	(n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
	(print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
	(initialize_trampoline): Changed to handle FD-PIC code generation.
	(expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
	(bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
	(override_options): Disallow -mid-shared-library -mfdpic combination.
	Can't do unaligned ops if FD-PIC.
	Turn off flag_pic if trying to generate non-id-shared-library
	non-fdpic code, since it's not supported.
	(bfin_assemble_integer): New function.
	* config/bfin/crti.s (__init, __fini): Save P3 on the stack if
	* config/bfin/crtn.s: Restore them.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
	(REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
	(load_funcdescsi): New pattern.
	(call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
	sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
	call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.

2006-05-29  Kazu Hirata  <>

	* gcse.c, rtlanal.c: Remove obsolete comments associated with

	* config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.

	* tree-flow.h: Remove the prototype for add_type_alias.
	* tree-ssa-alias.c (add_type_alias): Remove.

2006-05-28  Kazu Hirata  <>

	* cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
	config/fr30/, config/i386/i386-interix.h,
	config/i386/i386.c, config/i386/, config/sh/superh.h,
	config/sh/superh64.h, config/v850/v850.c, df-core.c,
	df-problems.c, df.h, except.c, final.c, haifa-sched.c,
	lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
	reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
	tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
	Follow spelling conventions.
	* doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
	Follow spelling conventions.

2006-05-27  Richard Guenther  <>

	PR middle-end/27773
	* fold-const.c (fold_plusminus_mult_expr): Use fold_convert
	to produce a constant of value 1 of generic type.

2006-05-27  Dirk Mueller  <>

	* cgraphunit.c (decide_is_function_needed): Fix wrong
	PR reference.

2006-05-26  Ulrich Weigand  <>

	PR rtl-optimization/27661
	* reload.c (find_reloads): When reloading a VOIDmode constant
	as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
	use Pmode as mode of the reload register.

2006-05-26  Eric Botcazou  <>

	* doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
	is enabled at -O and above.

2006-05-26  Steven Bosscher  <>

	PR target/27571
	* config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
	table data.

2006-05-25  Mark Mitchell  <>

	PR c++/20103
	* gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
	for anonymous variables explicitly declared by front ends.

2006-05-25  Eric Botcazou  <>

	* tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
	(struct alias_info): Add new field ref_all_symbol_mem_tag.
	* tree-ssa-alias.c (compute_may_aliases): If the program contains
	ref-all pointers, run a finalization pass for them.
	(compute_flow_insensitive_aliasing): Skip ref-all pointers.
	(finalize_ref_all_pointers): New function.
	(is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
	regular pointer type to a ref-all pointer type.
	(get_tmt_for): Return the special memory tag for ref-all pointers.

2006-05-25  Richard Guenther  <>

	PR middle-end/27743
	* fold-const.c (fold_binary): Do not look at the stripped
	op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.

2006-05-25  Eric Botcazou  <>

	* tree-vrp.c (extract_range_from_assert): Set the range to VARYING
	for LT and GT if the computed range is effectively empty.

2006-05-24  John David Anglin  <>

	PR target/27627
	* pa/pa-modes.def: Use mips_single_format, mips_double_format and
	mips_quad_format formats instead of ieee_single_format,
	ieee_double_format and ieee_quad_format formats, respectively.

2006-05-24  Zdenek Dvorak <>

	PR tree-optimization/27639
	PR tree-optimization/26719
	* tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
	call to scev_probably_wraps_p.
	* tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
	used_in_pointer_arithmetic_p, convert_step): Removed.
	(nowrap_type_p): New function.
	(scev_probably_wraps_p): Rewritten.
	* tree-scalar-evolution.c (instantiate_parameters_1): Do not call
	chrec_convert if chrec_convert_aggressive might have been used.
	* tree-chrec.c (convert_affine_scev, chrec_convert_1,
	scev_direction): New functions.
	(chrec_convert): Changed to a wrapper over chrec_convert_1.
	* tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
	instead of convert_step.
	* tree-flow.h (scev_probably_wraps_p): Declaration changed.
	(convert_step): Declaration removed.
	(convert_affine_scev, nowrap_type_p, scev_direction): Declare.

2006-05-23  Kenneth Zadeck <>

	* df-core.c: Added to header comments.
	* df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
	df_ur_bb_info, df_urec_bb_info): Added comments.
	* df-problems (df_ref_bitmap, ru, rd, lr, ur,
	urec, ri problems): Fixed header comments.
	(df_ru_transfer_function): Fixed in-out set dyslexia when copying
	code from df_rd_transfer_function.

2006-05-23  Richard Sandiford  <>

	* libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
	MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.

2006-05-23  Joseph Myers  <>

	* expr.c (undefined_operand_subword_p): New.
	(emit_move_multi_word): Do not generate move from undefined bits
	of a paradoxical subreg.

2006-05-23  Richard Sandiford  <>

	PR rtl-optimization/27736
	* combine.c (replaced_rhs_value): New variable.
	(combine_instructions): Set it.
	(distribute_notes): When distributing a note in replaced_rhs_insn,
	check whether the value was used in replaced_rhs_value.

2006-05-23  Andrew MacLeod  <>

	PR c++/26757
	* tree-ssa-loop-im.c (determine_invariantness_stmt): Use
	add_referenced_var instead of add_referenced_tmp_var.
	* tree-complex.c (create_one_component_var): Use add_referenced_var.
	* tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
	* tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
	tree_optimize_tail_calls_1): Use add_referenced_var.
	* tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
	* tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
	Use add_referenced_var.
	* tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
	* gimplify.c (force_gimple_operand): Use add_referenced_var.
	* tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
	Use add_referenced_var.
	* tree-dfa.c (struct walk_state): Remove.
	(find_referenced_vars): Remove walk state and vars_found hash table.
	(make_rename_temp): Use add_referenced_var.
	(find_vars_r): Pass less parameters to add_referenced_var.
	(referenced_var_p): New.  Is var in referenced_var hash table.
	(referenced_var_insert): Assert var isn't already in hash table.
	(add_referenced_var): Don't need walk_state parameter.  Add var if it
	isn't already in the hash table.
	(add_referenced_tmp_var): Remove.
	(find_new_referenced_vars_1): Use add_referenced_var.
	* tree-ssa-pre.c (create_expression_by_pieces,
	insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
	Use add_referenced_var.
	* tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
	* lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
	lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
	vect_create_data_ref_ptr, vect_create_destination_var,
	vect_init_vector, vect_build_loop_niters,
	vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
	vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
	Use add_referenced_var.
	* tree-outof-ssa.c (create_temp): Use add_referenced_var.
	* tree-flow.h (add_referenced_tmp_var): Remove prototype
	(add_referenced_var): Add prototype.
	* tree-ssa-structalias.c (get_constraint_for,
	intra_create_variable_infos): Use add_referenced_var.

2006-05-23  Alexandre Oliva  <>

	* simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
	big-endian paradoxical subregs.
	* var-tracking.c (struct micro_operation_def): Document that,
	for modify micro operations, insn is the subsequent instruction.
	(var_reg_delete_and_set, var_mem_delete_and_set): Split into...
	(var_reg_set, var_mem_set): ... new functions.
	(add_stores): Record subsequent insn.
	(compute_bb_dataflow): Use new functions for MO_USE.
	(emit_notes_in_bb): Use new functions for MO_USE.  Emit use
	notes after the insn, and modify notes before the insn known
	to be the subsequent one.
	(vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.

2006-05-23  Kazu Hirata  <>

	PR target/27696
	* config/i386/i386.c (ix86_expand_builtin): Use
	gen_sse3_monitor64 for TARGET_64BIT.

2006-05-22  Kenneth Zadeck <>

	PR rtl-optimization/26375
	PR rtl-optimization/26855
	* df-problems (df_ru_bb_local_compute_process_def): Removed update
	to gen set.
	(df_ru_bb_local_compute): Reversed statements and removed bogus
	comment explaining why they should be in wrong order.
	(df_ru_dump, df_rd_dump): Enhanced debug info.
	* modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
	debug info.
	* ddg.c (add_deps_for_def): Converted use of reaching defs to
	reaching uses and fixed space problem.

2006-05-23  Jan Hubicka  <>

	* cgraphunit.c (decide_is_function_needed): Also nested functions
	and functions declared inline can be optimized out at -O0.

2006-05-22  Gerald Pfeifer  <>

	* doc/install.texi (Configuration): Remove reference to CrossGCC
	FAQ which was gone.
	(Building): Ditto.

2006-05-22  Kazu Hirata  <>

	PR target/27266
	* config/i386/i386.c (ix86_expand_branch): Jump to simple if
	ix86_compare_emitted is non-NULL.

2006-05-22  Volker Reichelt  <>

	PR c++/27451
	* stmt.c (expand_asm_operands): Skip asm statement with erroneous

2006-05-22  Richard Sandiford  <>

	PR rtl-optimization/25514
	* combine.c (replaced_rhs_insn): New variable.
	(combine_instructions): Set replaced_rhs_insn when trying to replace
	a SET_SRC with a REG_EQUAL note.
	(distribute_notes): Use replaced_rhs_insn when determining the live
	range of a REG_DEAD register.

2006-18-05  Joerg Wunsch <>
	    Anatoly Sokolov <>

	* config/avr/avr.c (avr_mcu_types): Add support for attiny261,
	attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
	attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
	atmega164p, atmega324p, atmega644p, atmega644, atmega329,
	atmega3290, atmega649, atmega6490, atmega406, atmega640,
	atmega1280, atmega1281, at90can32, at90can64, at90usb646,
	at90usb647, at90usb1286 and at90usb1287 devices.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2006-05-22  Richard Sandiford  <>

	* (lib2funcs): Remove _floatdidf from initial assignment.

2006-05-22  Richard Guenther  <>

	2006-01-31  Richard Guenther  <>
	Paolo Bonzini  <>

	* doc/install.texi (--disable-libgcc-math): Document.

2006-05-22  Richard Guenther  <>

	2006-01-31  Richard Guenther  <>

	* doc/invoke.texi (-msselibm): Document.
	* target.h (expand_library_builtin): New target hook.
	* builtins.c (expand_builtin): Use expand_library_builtin.
	(default_expand_library_builtin): New function.
	* gcc.c (LINK_GCC_MATH_SPEC): Define.
	(LINK_COMMAND_SPEC): Handle %(link_gcc_math).
	(link_gcc_math_spec): Declare.
	(static_specs): Add link_gcc_math_spec.
	* expr.h (default_expand_library_builtin): Declare.
	* target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
	* config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
	* config/i386/i386.opt (msselibm): New target option.
	* config/i386/i386.c (ix86_builtin_function_variants): New array.
	(ix86_init_sse_abi_builtins): New function.
	(ix86_expand_library_builtin): Likewise.
	(override_options): Handle error conditions wrt -msselibm.
	(ix86_builtins): Add function codes for SSE2 ABI builtins.
	(ix86_init_builtins): Call ix86_init_sse_abi_builtins.
	* doc/extend.texi (__builtin_sse2_*): Document new target specific

2006-05-22  Volker Reichelt  <>

	PR c/27420
	* c-common.c (self_promoting_args_p): Skip erroneous args.

	PR c/26818
	* c-decl.c (finish_struct): Skip erroneous fields.

2006-05-22  Nick Clifton  <>

	* config/cris/cris.opt (march): Remove VarExists attribute.
	(max-stackframe=): Likewise.

2006-05-22  Kazu Hirata  <>

	* doc/rtl.texi: Fix a typo.
	* see.c: Fix comment typos.

	* tree-ssa-structalias.h (alias_info): Remove num_references.

2006-05-21  Mike Stump  <>

	* config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
	(BAD2): Add.
	(darwin_pragma_options): Use BAD instead.
	(darwin_pragma_unused): Likewise.
	(darwin_pragma_ms_struct): Likewise.

2006-05-21  David Edelsohn  <>

	* config/rs6000/ (floatsitf2): Remove constraints.

2006-05-21  Kazu Hirata  <>

	PR rtl-optimization/27671
	* simplify-rtx.c (simplify_relational_operation_1): Fix
	simplifications of (eq/ne (xor x y) y) and
	(eq/ne (xor x y) x).

	PR tree-optimization/26622.
	* fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
	on arg1.

2006-05-21  Bernhard Fischer  <>

	* tree-cfg.c: Prune whitespace.
	(debug_tree_cfg): Point to correct header containing the
	TDF_* defines.

2006-05-21  Bernhard Fischer  <>

	PR middle-end/25776
	* cgraphunit.c (verify_cgraph_node): Typo in error message.

2006-05-20  Andrew Pinski  <>

	PR middle-end/25776
	* cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
	or sorry count is non zero.

2006-05-20  Andreas Schwab  <>

	* config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.

2006-05-19  Daniel Berlin  <>
	    Kenneth Zadeck <>

	PR rtl-optimization/26855

	* df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
	multiword refs.
	(df_scan_alloc): Added code to properly handle multiword hard
	registers and add all_blocks parameter.
	(df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
	code to properly handle multiword hard registers.
	(df_rescan_blocks): Added code to remove deleted blocks from
	(df_ref_create_structure, df_ref_record): Added code to properly
	handle subregs.
	(df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
	and set DF_REF_PARTIAL.
	(df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
	(df_uses_record): Added DF_REF_PARTIAL for subreg.
	(df_scan_add_problem): Added flags parameter.
	(df_ref_create_structure): Changed switching structure.
	(df_bb_refs_record): Fixed case where duplicate artificial refs
	were created.  Changed location of flags.
	(df_record_entry_block_defs): Added code to make stack pointer
	live in entry block.  Refined cases where frame pointer is needed.
	Changed location of flags.
	(df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
	(df_set_state): Removed function.
	(df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
	df_insn_create_insn_record, df_insn_refs_delete,
	df_ref_create_structure): Formatting changes.
	* df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
	df_delete_basic_block): New function.
	(df_init): Changed location of flags.
	(df_add_problem): Added flags parameter and the way flags are
	(df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
	debug_df_chain): Improved debugging output.
	(df_insn_debug, df_insn_uid_debug): Added multiword reg support.
	(df_refs_chain_dump): Removed df parameter.
	(df_iterative_dataflow): Added consistency check.
	(df_prune_to_subcfg): Made public.
	(df_analyze_problem): Added blocks_to_init parameter and made
	(df_ref_record, df_bb_refs_record, df_mark_reg,
	 df_record_exit_block_uses): Whitespace changes.
	(df_dump): Whitespace changes.
	* df.h: Some reordering to remove forward references.
	(df_ref_flags.DF_REF_CLOBBER): Deleted field.
	(dataflow.flags): New field.
	(df.flag): Deleted field.
	(df_alloc_function): Added additional bitmap parameter.
	(df_dependent_problem_function): New type.
	(df_problem.changeable_flags): New field.
	DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
	(df_mw_hardreg): New struct.
	(DF_INSN_UID_MWS): New macro.
	(df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
	(df_add_problem, df_ru_add_problem, df_rd_add_problem,
	df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
	df_ri_add_problem, df_scan_add_problem): Added flags parameter.
	(df_set_state): Removed function.
	(df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
	* df-problems.c (df_chain_dump): Removed df parameter.
	(df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
	df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
	(df_ru_alloc, df_rd_alloc): Now resets all blocks.
	(df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
	df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
	df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
	df_lr_bb_local_compute, df_ur_bb_local_compute,
	df_chain_create_bb): Made subreg aware.
	(df_ru_bb_local_compute, df_rd_bb_local_compute,
	df_lr_bb_local_compute, df_lr_bb_local_compute,
	df_chain_create_bb): Cleanup to use proper macros.