i386-protos.h (asm_preferred_eh_data_format): Declare.

[thirdparty/gcc.git] / gcc / ChangeLog

2005-08-01  Jan Hubicka  <jh@suse.cz>

	* i386-protos.h (asm_preferred_eh_data_format): Declare.
	* i386.c: Include dwarf2.h
	(asm_preferred_eh_data_format): New.
	* i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.

2005-08-01  Ian Lance Taylor  <ian@airs.com>

	* config/host-linux.c (linux_gt_pch_get_address): Add new name
	randomize_va_space for virtual address randomization control.

2005-08-01  Steven Bosscher  <stevenb@suse.de>

	* common.opt (flag_ipa_cp): Put in right place to maintain
	alphabetic sort.

2005-08-01  Jan Hubicka  <jh@suse.cz>

	* profile.c (compute_value_histograms): Fix thinko.
	* value-prof.c: Include toplev.h
	(check_counter): New function.
	(tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
	tree_mod_subtract_transform): Add sanity check.

2005-08-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/23133
	* tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
	current functions parameter decls to find defs to cse
	reciprocals of.

2005-08-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/23109
	* tree-ssa-math-opts.c (execute_cse_reciprocals_1):
	If trapping math is in effect, use post-dominator information
	to check if we'd in any case reach a trapping point before
	doing the reciprocal insertion.
	(execute_cse_reciprocals): Compute post-dominators, if necessary.
	* tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
	expressions are invariant only if trapping math is not in effect.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New declarations.
        * cgraphunit.c: Add include to ipa-prop.h.
        (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New functions.
        * integrate.c (copy_decl_for_inlining): Remove.
        * ipa-prop.h (ipa_replace_map): New struct.
        (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
        * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
        ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
        ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
        ipcp_iterate_stage, ipcp_method_scale_print,
        ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
        ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
        ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
        ipcp_update_bb_counts, ipcp_update_profiling,
        ipcp_update_edges_counts): New functions.
        (ipcp_method_cval_init): Remove restriction regarding local methods.
        (ipcp_init_stage): Add ipcp_method_compute_scale.
        (ipcp_insert_stage): Add versioning.
        (ipcp_structures_print): Add ipcp_method_scale_print.
        (ipcp_driver): Dump profiling info.
        * Makefile.in: Remove integrate.h dependency from tree-inline.o.
        Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
        * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
        (struct inline_data): Add versioning_p, ipa_info, new fields.
        (remap_decl, mark_local_for_remap_r, setup_one_parameter,
        declare_return_variable): Replace calls to copy_decl_for_inlining with
        copy_decl_for_dup.
        (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
        versioning support.
        (copy_decl_for_dup): Rename from copy_decl_for_inlining.
        Add argument VERSIONING.
        (copy_arguments_for_versioning, copy_static_chain,
        function_versionable_p, tree_versionable_function_p,
        tree_function_versioning, replace_ref_tree): New functions.
        * tree-inline.h: Include varray.h.
        (tree_versionable_function_p,  tree_function_versioning,
        tree copy_decl_for_dup): New declarations.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * ipa-cp.c: New file. Contains IPCP specific functionality.
        * ipa-prop.h: New file. Contains structures/definitions that can be
        used by several interprocedural data flow optimizations (and also IPCP).
        * ipa-prop.c: New file.
        * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
        * common.opt: Add ipa-cp flag.
        * timevar.def: Add IPCP optimization.
        * tree-optimize.c (init_tree_optimization_passes): Schedule
        pass_ipa_cp.
        * tree-pass.h (pass_ipa_cp): Declare.

2005-08-01  Kazu Hirata  <kazu@codesourcery.com>

	* dwarf2out.c, fold-const.c, ipa-type-escape.c,
	loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
	tree-sra.c, config/arm/arm.c, config/crx/crx.c,
	config/i386/i386.c, config/mips/mips.h,
	config/rs6000/rs6000.h, config/sh/sh.c,
	config/stormy16/stormy16.c: Fix comment typos.

2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/22311
	* c-typeck.c (build_binary_op): Use common_type wrapper on
	shortened types.
	(common_type): Update comment.

2005-07-31  Steven Bosscher  <stevenb@suse.de>

	PR target/23095
	* common.opt (flag_gcse_after_reload): Don't initialize to 2.
	(flag_rerun_cse_after_loop): Initialize this to 2 instead.
	* postreload-gcse.c (hash_scan_set): Do not consider stack regs.

2005-07-31  Jan Hubicka  <jh@suse.cz>

	* pretty-print.h (pp_widest_integer): New macro.
	* tree-pretty-print.c (dump_bb_header): Print BB frequencies and
	counts.

2005-07-31  Jan Hubicka  <jh@suse.cz>

	* output.h (enum section_category): Export from varasm.c
	(categorize_decl_for_section): Likewise.
	* varasm.c (enum section_category): Kill.
	(categorize_decl_for_section): Make global.
	* i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
	Declare.
	* i386.c (ix86_section_threshold): New static variable.
	(ix86_in_large_data_p, ix86_encode_section_info,
	x86_64_elf_unique_section,
	x86_64_elf_select_section): New functions.
	(TARGET_ENCODE_SECTION_INFO): Define
	(override_options): Enable medium model for PIC.
	(ix86_expand_prologue): Expand gen_set_got_rex64.
	(legitimate_constant_p): Handle new UNSPECs.
	(legitimate_pic_address_disp_p): Likewise.
	(legitimize_pic_address): Lower MEDIUM model addressing.
	* i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
	(enum cmodel): Add MEDIUM_PIC.
	(SYMBOL_REF_FAR_ADDR_P): New macro.
	(SYMBOL_FLAG_FAR_ADDR): New flag.
	* i386.md (movdi): Support medium model.
	(set_got_rex64): New pattern.
	* i386.opt (mlarge-data-threshold): New flag.
	* predicates.md (zext_operand/sext_operand): Deal with medium model.
	* x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
	(ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
	TARGET_ASM_UNIQUE_SECTION): New.

	* invoke.texi (-mlarge_data_threshold): Document

2005-07-31  Jan Hubicka  <jh@suse.cz>

	* tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
	(coalesce_vars): Likewise.
	* tree-ssa-live.c (coalesce_cost): New.
	(build_tree_conflict_graph): Use coalesce_cost.
	* tree-ssa-live.h (coalesce_cost): Declare.

2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>

	* arm.md (all peepholes for post-increment operations): Delete.
	(strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
	(loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
	(loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
	(loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
	(strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.

2005-07-30  James A. Morrison  <phython@gcc.gnu.org>

	* fold-const.c (tree_expr_nonnegative_p): Always return true for
	non-integral types.

2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>

	PR target/22582
	* doc/invoke.texi: Document -rdynamic.

2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/23143
	* c-parser.c (c_parser_parms_list_declarator): Call
	mark_forward_parm_decls.
	* c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
	decls with visibility structure.

2005-07-30  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.

2005-07-30  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm-protos.h (arm_canonicalize_comparison): Update
	prototype.
	* config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
	value for mode.
	* config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/529
	* c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
	nested function declarators.
	(pushdecl): Don't call warn_if_shadowing for PARM_DECL.
	(grokparms): Call warn_if_shadowing for parameters used within the
	parameter list.
	(store_parm_decls_newstyle): Call warn_if_shadowing for parameters
	not used within the parameter list.
	(store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.

2005-07-30  Jan Hubicka  <jh@suse.cz>

	* expr.c (expand_expr_real_1): Do not load mem targets into register.
	* i386.c (ix86_fixup_binary_operands): Likewise.
	(ix86_expand_unary_operator): Likewise.
	(ix86_expand_fp_absneg_operator): Likewise.
	* optabs.c (expand_vec_cond_expr): Validate dest.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/21720
	* real.c (real_from_string): Also set last bit if there is a
	nonzero hex digit beyond GCC's internal precision after ".".

2005-07-29  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/altivec.md: Convert UNSPEC numerical values to
	define_constants.  Change duplicate values to unassigned numbers.
	Change UNSPEC_SUBS to UNSPEC_VSUBS.
	(*altivec_vspltsf): New.
	(altivec_vperm_v4sf): Delete.
	(altivec_vperm_<mode>): Use mode macro V.
	(altivec_vsldoi_<mode>): Convert to mode macro pattern.
	(altivec_predicate_v4sf): Delete.
	(altivec_predicate_<mode>): Use mode macro V.
	(*altivec_lvesfx): New.
	(*altivec_stvesfx): New.
	(vec_realign_load_v4sf): Delete.
	(vec_realign_load_<mode>): Use mode macro V.
	* config/rs6000/rs6000.c (generate_set_vrsave): Use
	UNSPECV_SET_VRSAVE.

2005-07-29  Mark Mitchell  <mark@codesourcery.com>

	PR bootstrap/23131
	* configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
	string. 
	* configure: Regenerated.

2005-07-29  Paul Brook  <paul@codesourcery.com>

	* doc/install.texi: Add link to GFortran binaries wiki page.

2005-07-29  David Ung  <davidu@mips.com>

	* config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
	(mips_rtx_cost_data): Add costs for 5kc and 5kf.
	* config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
	* config/mips/mips.md (cpu): Add 5kf name.
	(includes): Includes 5k.md.
	* config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
	* doc/invoke.texi (MIPS Options): Updated cpu name supported with
	-march flag.	

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

	PR 22550
	* tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
	(cleanup_tree_cfg): ... here.
	Call cleanup_tree_cfg_1 until there are no more cleanups to
	do.

2005-07-29  James A. Morrison  <phython@gcc.gnu.org>

	* tree-vrp.c (compare_range_with_value): Return true or false
	for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
	EQ_EXPR respectively.

2005-07-29  Kazu Hirata  <kazu@codesourcery.com>

	* cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
	Fix comment typos.

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
	(tree_ssa_dominator_optimize): Increment it.
	(dump_dominator_optimization_stats): Print it.

2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
	    Steven Bosscher  <stevenb@suse.de>

	PR rtl-optimization/23117
	* sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
	when head == tail.  Tidy comment.

2005-07-28  Richard Henderson  <rth@redhat.com>

	* cse.c (exp_equiv_p): Special case CONST_DOUBLE.
	* cselib.c (rtx_equal_for_cselib_p): Likewise.
	* jump.c (rtx_renumbered_equal_p): Likewise.
	* loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
	CONST_INT and CONST_DOUBLE.
	(rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
	* reload.c (operands_match_p): Special case CONST_INT and
	CONST_DOUBLE; check mode earlier.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/22240
	* c-typeck.c (convert_for_assignment): Do not check
	DECL_IN_SYSTEM_HEADER on NULL fundecl.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/22192
	* c-typeck.c (composite_type): Prefer constant size arrays to
	VLAs.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/21720
	* real.c (real_from_string): Set last bit if there is a nonzero
	hex digit beyond GCC's internal precision.

2005-07-28  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/22619
	* cfgcleanup.c (try_forward_edges): Watch out for end of
	insn chain.

2005-07-28  James E Wilson  <wilson@specifixinc.com>

	PR c/23106
	* doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.

2005-07-28  Jan Hubicka  <jh@suse.cz>

	* Makefile.in (rtl-profile.o): Kill all traces of it.
	* common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
	* coverage.h (rtl_coverage_counter_ref): Kill.
	* opts.c (flag_speculative_prefetching_set): Kill.
	(flag_loop_optimize_set): New.
	(common_handle_option): Disable loop optimizer when profiling;
	do not handle speculative prefetching.
	* passes.c (init_optimization_passes): Replace pass_profiling combo
	by branch_prob pass.
	* profile.c (compute_value_histograms): Update for simplified value
	profiles.
	(rtl_register_profile_hooks): Kill.
	(pass_profiling): Kill.
	(rest_of_handle_branch_prob): Do not profile.
	* toplev.c (process_options): Remove speculative prefetching.
	* toplev.h (flag_tree_based_profiling): Kill.
	* tree-profile.c (prepare_instrumented_value,
	tree_gen_interval_profiler, tree_gen_pow2_profiler,
	tree_gen_one_value_profiler, do_tree_profiling): Update for
	simplified datastructures.
	* value-prof.c: Add comment that speculative prefetching was dropped;
	update rest of file for simplified datastructures.
	(NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
	rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
	find_mem_reference_1, find_mem_reference_2, find_mem_reference,
	rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
	rtl_mod_subtract, gen_speculative_prefetch,
	rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
	rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
	(gate_handle_value_profile_transformations,
	rest_of_handle_value_profile_transformations,
	pass_value_profile_transformations): Kill.
	* value-prof.h (histogram_value_t): Remove IL based unions.
	(rtl_register_value_prof_hooks, rtl_register_profile_hooks,
	rtl_profile_hooks): Remove hooks.

	* invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.

	* cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
	(cgraph_clone_node): Likewise.
	* cgraph.h (cgraph_clone_edge): Update prototype.
	(cgraph_clone_node): Likewise.
	* ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
	cgraph_clone_node.
	(lookup_recursive_calls): Consider profile.
	(cgraph_decide_recursive_inlining): Fix updating; use new
	probability argument; use profile.
	* params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
	* tree-inline.c (copy_bb): Update clal of clone_edge.
	* tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.

	* invoke.texi (min-inline-recursive-probability): Document.

2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Configuration): Update Valgrind homepage.

2005-07-28  Richard Henderson  <rth@redhat.com>

	PR middle-end/21362
	* cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
	labels we want to delete.
	(cfg_layout_merge_blocks): Likewise.

2005-07-28  Richard Henderson  <rth@redhat.com>

	PR target/17692
	* config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
	when expanding to nothing.

2005-07-28  Josh Conner  <jconner@apple.com>

	* ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
	(cgraph_decide_inlining_of_small_functions): Likewise.

2005-07-28  Josh Conner  <jconner@apple.com>

	* ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
	direction of badness if negative.
	(cgraph_default_inline_p): Add reason to parameters, and assign it
	a value.
	(cgraph_decide_inlining_of_small_functions): New parameter in call
	to cgraph_default_inline_p.
	(cgraph_decide_inlining_incrementally): Likewise.
	* cgraphunit.c (decide_is_function_needed): Likewise.
	* cgraph.h (cgraph_default_inline_p): Likewise.

2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* builtins.c: Fix comment typo(s).
	* genautomata.c: Likewise.
	* gimplify.c: Likewise.
	* tree-dfa.c: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-copy.c: Likewise.
	* tree-ssa-dce.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-ssa-operands.c: Likewise.
	* tree-tailcall.c: Likewise.
	* tree-vectorizer.c: Likewise.
	* tree-vrp.c: Likewise.
	* tree.c: Likewise.

2005-07-28  Jeff Law  <law@redhat.com>

	* tree-vrp.c (test_for_singularity): Extracted from  ...
	(simplify_cond_using_ranges): Attempt to simplify a relational
	test to NE_EXPR.  Dump information when a COND_EXPR is simplified.

2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>

	PR tree-optimization/22506
	* tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
	phis whose argument is constant.

2005-07-28  J"orn Rennecke <joern.rennecke@st.com>

	PR rtl-optimization/18992
	Back out this patch:
	  2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
	  PR optimization/12142
	  * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
	  uses of the register in the SET_SRC.  Remove unnecessary argument.

	Replace it with this:
	* cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
	if flag_non_call_exceptions is set and the insn may trap, pass
	pc_rtx as dest for recursion.
	In SET_SRC part of SET case, if dest is already set, pass it down
	unchanged.

2005-07-28  Jan Hubicka  <jh@suse.cz>

	* cfg.c (update_bb_profile_for_threading): Use RDIV.
	(scale_bbs_frequencies_int): Likewise, assert for possible overflow.
	(scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
	roundoff errors.
	* tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
	profile when available.

2005-07-28  Jan Beulich <jbeulich@novell.com>

	* config/ia64/ia64.c (ia64_load_pair_ok): New.
	(ia64_print_operand): Describe and handle 'X'.
	(ia64_register_move_cost): Also handle FP_REGS.
	(ia64_preferred_reload_class): Likewise.
	(ia64_secondary_reload_class): Likewise.
	(ia64_dependencies_evaluation_hook): New local variable c. Initialize
	it. Also check for ITANIUM_CLASS_FLDP.
	* config/ia64/ia64.h (FP_REGNO_P): New.
	(HARD_REGNO_MODE_OK): Remove explusion of TImode.
	(reg_class): Add FP_REGS.
	(REG_CLASS_NAMES): Adjust for it.
	(REG_CLASS_CONTENTS): Likewise.
	(REGNO_REG_CLASS): Use FP_REGS where appropriate.
	(REG_CLASS_FROM_LETTER): Handle 'x'.
	(CLASS_MAX_NREGS): Handle FP_REGS.
	(MEMORY_MOVE_COST): Likewise.
	* config/ia64/ia64.md (itanium_class): Add fldp.
	(type): Handle fldp.
	(movti_internal): More allowable operand combinations. Use ldfp8 when
	splitting unnecessary. Remove predicable attribute. Adjust
	itanium_class attribute.
	(smuldi3_highpart): Remove outdated comment.
	(mulditi3, umulditi3, rotlti3): New expanders.
	(addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
	(absti2): Disabled new insn for future reference.
	Respective new splitters.
	* config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
	* config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
	* config/ia64/ia64-protos.h (ia64_load_pair_ok): New.

2005-07-25  James A. Morrison  <phython@gcc.gnu.org>

	PR rtl-optimization/23047
	* simplify-rtx.c (simplify_const_relational_operation): Respect
	flag_wrapv for comparisons with ABS.

2005-07-27  James A. Morrison  <phython@gcc.gnu.org>

	PR tree-optimization/22493
	* tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
	VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.

2005-07-27  Aldy Hernandez  <aldyh@redhat.com>

	* config/frv/frv.opt (moptimize-membar): New.

	* doc/invoke.texi: Document -moptimize-membar and its inverse.

	* config/frv/frv.h: Remove machine_function definition.

	* config/frv/frv.c (struct frv_io): New.
	(struct machine_function): Moved from frv.h.  Add has_membar_p.
	(frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
	(frv_extract_membar, frv_io_check_address, frv_io_handle_set)
	(frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
	(frv_optimize_membar_global, frv_optimize_membar): New functions.
	(frv_reorg): Call frv_optimize_membar when appropriate.
	(bdesc_loads, bdesc_stores): Use the membar code as the icode field.
	(frv_expand_builtin): Adjust calls accordingly.
	(frv_io_address_cookie): New function.
	(frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
	load or store rather than a special insn.  Add ccnstant address and
	io-type operands to the membar.
	(frv_ifcvt_modify_tests): Unsign regno.
	(frv_ifcvt_modify_tests): Same.

	* config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
	UNSPEC_OPTIONAL_MEMBAR constant.
	(builtin_read_<mode>): Delete.
	(builtin_write_<mode>): Delete.
	("optional_membar_<mode>"): Add operand.

	* testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
	* testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
	* testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
	* testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
	* testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
	* testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
	* testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
	* testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
	* testsuite/gcc.target/frv/all-read-write-1.c: New.

2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>

	* df.c (df_uses_record): Handle SCRATCH.

2005-07-28  Steven Bosscher  <stevenb@suse.de>

	PR debug/20161
	* passes.c (rest_of_decl_compilation): If decl is a type and
	we have encountered errors, don't emit debug information.

2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>

	* params.def: Fixed comment.
	
2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>

	PR target/19885
	* config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
	(TARGET_ASM_UNALIGNED_HI_OP): Add.
	(TARGET_ASM_UNALIGNED_SI_OP): Add.

2005-07-27  Steven Bosscher  <stevenb@suse.de>

	PR c++/22003
	* varasm.c (assemble_start_function): Don't do anything that may
	require a CFG if the current function is a thunk.

2005-07-25  Geoffrey Keating  <geoffk@apple.com>

	* doc/install.texi (Prerequisites): Mention that perl is needed
	to do export control in libstdc++ targetting Darwin.

2005-07-27  Steven Bosscher  <stevenb@suse.de>

	PR rtl-optimization/17808
	* sched-deps.c (sched_get_condition): Enable #if 0'ed code.
	(sched_insns_conditions_mutex_p): Split out from...
	(add_dependence): ...here.  But don't call it from here.
	(add_dependence_list): Check sched_insns_conditions_mutex_p
	before calling add_dependence.
	(add_dependence_list_and_free): Likewise.
	(fixup_sched_groups): Likewise.
	(sched_analyze_1): Likewise.
	(sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
	(sched_analyze): Likewise.
	(sched_analyze_insn): Likewise.
	* sched-ebb.c (add_deps_for_risky_insns): Likewise.
	* sched-rgn.c (add_branch_dependences): Likewise.  Also, add
	dependencies on all COND_EXEC insns to jumps ending basic blocks
	when doing intrablock scheduling.
	* sched-int.h (sched_insns_conditions_mutex_p): Add prototype.

2005-07-27  Jeff Law  <law@redhat.com>

	* tree-vrp.c (vrp_meet): Intersect the equivalency sets when
	meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
	equivalency sets, correctly handle the case were vr0 has an
	equivalency set, but vr1 does not.

2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>

	PR tree-optimization/23073
	* tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call 
	vect_print_dump_info before fprintf.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimize/22348
	* tree-ssa-loop-niter.c (number_of_iterations_cond):
	Fold the partial computation.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/22325
	* tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
	Declare.
	* tree-scalar-evolution.c (scev_const_prop): Add generic final
	value replacement.
	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
	(force_var_cost): ... this function.
	(compute_phi_arg_on_exit): Export.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/20773
	* tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
	edge.

2005-07-27  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (push_fields_onto_fieldstack):
	Avoid pushing again if current struct contains only
	fields we decomposed.

2005-07-27  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/22574
	* cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
	not available.

	* tree-tailcall.c (decrease_profile): New function.
	(eliminate_tail_call): Use it.

	* cgraphunit.c (cgraph_function_and_variable_visibility): Set
	visibility flags correctly in whole program mode.

2005-07-26  Steve Ellcey  <sje@cup.hp.com>

	PR rtl-optimization/22472
	* config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.

2005-07-26  Steven Bosscher  <stevenb@suse.de>

	PR tree-optimization/22504
	* tree-complex.c (expand_complex_addition): Use 'code' instead
	of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).

2005-07-26  Aldy Hernandez  <aldyh@redhat.com>

	* config.gcc (cpu_type): Add frv case.
	(with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
	(supported_defaults): Add fr550 case.

2005-07-26  Diego Novillo  <dnovillo@redhat.com>

	PR 22591
	* tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
	whether a pointer of type T * may point to objects of type T *.

2005-07-26  DJ Delorie  <dj@redhat.com>

	* configure: Regenerate.

2005-07-26  Dale Johannesen  <dalej@apple.com>

	* postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.

2005-07-26  Mark Mitchell  <mark@codesourcery.com>

	* doc/install.texi (--with-build-sysroot): Fix grammatical error.
	Clarify use of "build" in name.

2005-07-26  Aldy Hernandez  <aldyh@redhat.com>

	* doc/extend.texi (Raw read/write Functions): New section.
	* testsuite/gcc.target/frv/all-builtin-read8.c: New.
	* testsuite/gcc.target/frv/all-builtin-read16.c: New.
	* testsuite/gcc.target/frv/all-builtin-read32.c: New.
	* testsuite/gcc.target/frv/all-builtin-read64.c: New.
	* testsuite/gcc.target/frv/all-builtin-write8.c: New.
	* testsuite/gcc.target/frv/all-builtin-write16.c: New.
	* testsuite/gcc.target/frv/all-builtin-write32.c: New.
	* testsuite/gcc.target/frv/all-builtin-write64.c: New.
	* config/frv/frv.c: Add bdesc_loads global.
	Add bdesc_stores global.
	(frv_init_builtins): Add support for __builtin_{read/write}*.
	(frv_volatile_memref): New.
	(frv_expand_load_builtin): New.
	(frv_expand_store_builtin): New.
	* config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
	FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
	FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
	FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
	* config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
	UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
	(builtin_read_<mode>): New.
	(builtin_write_<mode>): New.
	(builtin_write64): New.
	(optional_membar_<mode>): New.

2005-07-26  J"orn Rennecke <joern.rennecke@st.com>

	* emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
	(rather than units) against HOST_BITS_PER_WIDE_INT.

2005-07-26  Kazu Hirata  <kazu@codesourcery.com>

	* ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
	ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
	ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
	config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
	FSF address.

	* calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
	tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
	config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
	comment typos.
	* doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.

2005-07-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/22486
	* fold-const.c (fold_unary): Fold away useless component
	references of the form (T *)&T.x, if the address
	doesn't change.

2005-07-25  James E Wilson  <wilson@specifixinc.com>

	* dwarf2out.c (add_call_src_coords_attributes): New.
	(gen_inlined_subroutine_die): Call it.
	(maybe_emit_file, init_file_table): Add comments.
	(prune_unused_types_walk_attribs): Pass DW_AT_call_file through
	maybe_emit_file.
	* tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
	(expand_call_inline): Set BLOCK_SOURCE_LOCATION.
	* tree.h (BLOCK_SOURCE_LOCATION): New.
	(struct tree_block): New field locus.

2005-07-26  Andreas Schwab  <schwab@suse.de>

	PR rtl-optimization/23043
	* postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
	when allocating a struct unoccr.

2005-07-25  Richard Henderson  <rth@redhat.com>

	PR 22626
	* tree-complex.c (gate_no_optimization): True if errors.
	* Makefile.in (tree-complex.o): Update dependencies.

2005-07-25  Aldy Hernandez  <aldyh@redhat.com>

	* config/frv/predicates.md (integer_register_operand): Use
	GPR_AP_OR_PSEUDO_P.

2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/22484
	* tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
	after fold.
	* tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.

2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
	types when flag_unsafe_math_optimizations is true.

2005-07-25  Mark Mitchell  <mark@codesourcery.com>

	* gcc.c (option_map): Add --sysroot.
	(process_command): Handle --sysroot.
	(display_help): Document it.
	* doc/cppopts.tex (-isysroot): Document.
	* doc/invoke.texi (--sysroot): Document.
	* doc/install.texi (--with-build-sysroot): Document.

	* Makefile.in (inhibit_libc): New variable.
	(INHIBIT_LIBC_CFLAGS): Likewise.
	(LIBGCC2_CFLAGS): Include
	$(INHIBIT_LIBC_CFLAGS).
	(CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
	($(T)crtbegin.o): Do not use @inhibit_libc@.
	($(T)crtend.o): Likewise.
	($(T)crtbeginS.o): Do not use @inhibit_libc@.
	($(T)crtendS.o): Likewise.
	($(T)crtbeginT.o): Do not use @inhibit_libc@.
	($(T)crtendT.o): Likewise.
	(stmp-fixinc): Do not complain about missing headers if
	inhibit_libc.
	* configure.ac (inhibit_libc): Set it to true/false.
	(--with-build-sysroot): New option.  Use it to set
	SYSTEM_HEADER_DIR. 
	* configure: Regenerated.

2005-07-25  Manfred Hollstein  <mh@suse.com>

	* calls.c (store_one_arg): Fix unsigned comparison warning.

2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

	PR other/22337
	* ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
	(ggc_print_statistics): Initialize variable before use.

2005-07-25  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (mark_new_vars_to_rename): Protect against
	calling with a PHI_NODE argument.

	* tree-flow-inline.h (overlap_subvar): Protect against
	possible overflow.

2005-07-25  Paolo Bonzini  <bonzini@gnu.org>

	* aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
	* configure: Regenerate.

2005-07-25  Ira Rosen  <irar@il.ibm.com>

	* expr.c (highest_pow2_factor): Make extern.
	* tree-data-ref.c (ptr_decl_may_alias_p): New function.
	(ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
	record_array_differ_p, array_ptr_differ_p): Likewise.
	(base_object_differ_p): Rename (from array_base_name_differ_p). Support
	additional cases. Call the above functions.
	(base_addr_differ_p): Moved from tree-vect-analyze.c. Call
	base_object_differ_p when there are two base objects. Otherwise, compare
	base address and offset. Call may_alias_p.
	(dump_data_reference): Use a correct field name.
	(analyze_array): Make static. Initialize new data-ref fields.
	(analyze_indirect_ref): New function.
	(init_data_ref): Initialize new data-ref fields.   
	(strip_conversion): Moved from tree-vect-analyze.c. 
	(analyze_offset_expr, get_ptr_offset, address_analysis,
	object_analysis): Likewise.
	(analyze_offset): New function.
	(create_data_ref): Likewise.
	(initialize_data_dependence_relation): Call base_addr_differ_p. Compare
	dimensions for ARRAY_REFs only.
	(build_classic_dist_vector): Make static.
	(access_functions_are_affine_or_constant_p): Call macro to get the
	address of access functions.
	(compute_all_dependences): Add new parameter
	compute_self_and_read_read_dependences. Compute self and read-read  
	dependences if it is true.
	(find_data_references_in_loop): Call create_data_ref. Initialize new
	data-ref fields.
	(compute_data_dependences_for_loop): Add new parameter
	compute_self_and_read_read_dependences. Remove parameter nb_loops,
	compute nb_loops. Call compute_all_dependences,
	build_classic_dist_vector and build_classic_dir_vector with correct
	parameters.
	(analyze_all_data_dependences): Call compute_data_dependences_for_loop
	with correct parameters. Compare dimensions for ARRAY_REFs only.
	(free_data_refs): Call macro to free access functions.
	* tree-data-ref.h (struct first_location_in_loop): New structure. Move
	fields from stmt_vinfo.
	(struct base_object_info): New structure.
	(struct data_reference): Move fields to base_object_info. Add fields   
	first_location and object_info for above structures. Move fields from
	stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
	aligned_to.  Add macros to access the new fields.
	Update functions declarations.
	* tree-flow.h (is_aliased_with): Declare.
	* tree-loop-linear.c (linear_transform_loops): Call
	compute_data_dependences_for_loop with correct parameters.
	* tree-ssa-alias.c (is_aliased_with): New function.
	* tree-vect-analyze.c (vect_get_ptr_offset): Remove.
	(vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
	(vect_analyze_data_ref_dependence): Get ddr. Remove call to
	vect_base_addr_differ_p, compute_subscript_distance and
	build_classic_dist_vector. Add printings. Check absolute value of
	distance.
	(vect_analyze_data_ref_dependences): Go through ddrs instead of
	data-refs.
	(vect_compute_data_ref_alignment): Get the fields of data-ref instead of
	stmt. Check aligned_to. Check if the base is aligned. Remove conversion
	to bytes. Add printing.
	(vect_compute_data_refs_alignment): Go through loads and stores in one
	loop.
	(vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
	vect_analyze_data_ref_access): Likewise.
	(vect_analyze_pointer_ref_access): Remove.
	(vect_address_analysis, vect_object_analysis): Likewise.
	(vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
	and analyze data-refs in the loop.
	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
	fields of data-ref instead of stmt. Add init to the offset from the
	base.
	(vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
	(vect_update_init_of_dr): Likewise.
	(vect_update_inits_of_drs): Go through loads and stores in one loop.
	* tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
	removed fields.
	(new_loop_vec_info): Initialize new fields.
	(destroy_loop_vec_info): Free new fields.
	(vect_strip_conversion): Remove.
	* tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
	(struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
	datarefs. Add new field ddrs. 
	Add macros for the new fields access.
	(struct _stmt_vec_info): Remove: base_address, initial_offset, step,
	base_aligned_p, misalignment, memtag, ptr_info and subvars.
	Remove their macros.
	* tree.h (highest_pow2_factor): Declare.

2005-07-25  Jakub Jelinek  <jakub@redhat.com>

	* calls.c (store_one_arg): Check for sibling call MEM arguments
	from already clobbered incoming argument area.

2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-common.c (check_missing_format_attribute): New.
	* c-common.h (check_missing_format_attribute): Likewise.
	* c-typeck.c (convert_for_assignment): Use it.

2005-07-24  Andreas Schwab  <schwab@suse.de>

	* config/m68k/m68k.md ("extendqidi2"): When source is an address
	register use a word move.  Correct operand of ext.w in 68000 code.

2005-07-23  Mark Mitchell  <mark@codesourcery.com>

	* dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
	variables as declarations, rather than definitions.

2005-07-24  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/22526
	* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
	of the zero node.

2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
	that C99 reserve for future use. Use it to define clog10,
	clog10f and clog10l.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
	* configure.ac: Check for -Wmissing-format-attribute.
	
	* configure: Regenerate.

2005-07-23  Richard Henderson  <rth@redhat.com>

	PR tree-optimization/22623
	* tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.

2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>

	PR target/22577
	* config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Makefile.in (C_TREE_H): Update dependencies.
	* c-tree.h: Include toplev.h.
	* diagnostic.h (diagnostic_set_info): Add format attribute.
	* rtl-error.c (diagnostic_for_asm): Likewise.

2005-07-23  Chao-ying Fu  <fu@mips.com>

	* config/mips/mips-dsp.md: New file.
	* config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
	* config/mips/mips.c (mips_function_type): Add types for DSP builtin
	functions.
	(mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
	MIPS_BUILTIN_BPOSGE32.
	(mips_expand_builtin_direct): Add one parameter to indicate that
	builtin functions need to return a value.
	(mips_expand_builtin_bposge): New for expanding "bposge" builtin
	functions.
	(mips_regno_to_class): Add classes for 12 new DSP registers.
	(mips_subword): Change to check four HI registers.
	(mips_output_move): Output move to and from 6 new DSP accumulators.
	(override_options): Make sure -mdsp and -mips16 are not used together.
	Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
	for machine modes.
	(mips_conditional_register_usage): Disable 6 new DSP accumulators
	when !TARGET_DSP.
	(print_operand): Add 'q' for printing DSP accumulators.
	(mips_cannot_change_mode_class): Check ACC_REGS.
	(mips_secondary_reload_class): Check ACC_REGS.
	(mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
	(mips_register_move_cost): Check ACC_REGS.
	(CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
	(CODE_FOR_mips_subu_qb): New code-aliasing macros.
	(DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
	(dsp_bdesc): New array.
	(bdesc_arrays): Add DSP builtin function table.
	(mips_prepare_builtin_arg): Check predicate again after
	copy_to_mode_reg.
	(mips_expand_builtin): Add one more parameter to
	mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
	MIPS_BUILTIN_BPOSGE32.
	(mips_init_builtins): Initialize new function types.
	(mips_expand_builtin_direct): Check if builtin functions need to
	return a value and pass operands properly.
	(mips_expand_builtin_bposge): New function.
	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
	(ASM_SPEC): Map -mdsp to -mdsp in GAS.
	(FIRST_PSEUDO_REGISTER): Increase to 188.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
	Update for 12 new DSP registers.
	(DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
	(AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
	(DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
	(reg_class): Add DSP_ACC_REGS and ACC_REGS.
	(REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
	(REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
	(REG_ALLOC_ORDER): Update for 12 new DSP registers.
	(mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
	(UIMM6_OPERAND, IMM10_OPERAND): New macros.
	(EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
	(REGISTER_NAMES): Add names for 12 new DSP registers.
	* config/mips/mips.md: Include mips-dsp.md.
	(UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
	(UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
	(UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
	(UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
	(UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
	(UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
	(UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
	(UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
	(UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
	(UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
	(UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
	(UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
	(UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
	(UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
	(UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
	(UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
	(UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
	(UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
	(UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
	(UNSPEC_RDDSP): New constants.
	(*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
	(*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
	A<-d alternative.
	* config/mips/mips.opt (-mdsp): New option.
	* config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
	(reg_imm10_operand): New predicates.
	* doc/extend.texi (MIPS DSP Built-in Functions): New section.
	* doc/invoke.texi (-mdsp): Document new option.

2005-07-22  DJ Delorie  <dj@redhat.com>

	* c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
	to warning calls.
	* tree-inline.c (inlinable_function_p): Likewise.

2005-07-22  Mark Mitchell  <mark@codesourcery.com>

	PR debug/21828
	* toplev.c (check_global_declarations): Do not mark undefined
	variables as DECL_IGNORED_P.
	* varasm.c (first_global_object_name): GTY it.
	(weak_global_object_name): Likewise.
	(notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
	a string to go into {weak,first}_global_object_name.

2005-07-22  DJ Delorie  <dj@redhat.com>

	* c-format.c (check_function_format): Change warning control
	option from OPT_Wattribute to OPT_Wmissing_format_attribute.

2005-07-22  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-alias.c (count_ptr_derefs): Do not consider
	&PTR->FLD a dereference of PTR.
	* tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
	a potential dereference of PTR.

2005-07-22  J"orn Rennecke <joern.rennecke@st.com>

	PR rtl-optimization/20370
	* ifcvt.c (dead_or_predicable): Before calling propagate_block,
	call allocate_reg_info if necessary.

	PR rtl-optimization/21848
	* calls.c (emit_library_call_value_1): For const functions, add
	USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.

	PR rtl-optimization/22445
	* cselib.c (target.h): Include.
	(rtx_equal_for_cselib_p): Allow commutative matches.
	(cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
	Remove MODE parameter.  Changed all callers.

	PR rtl-optimization/22258
	* combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
	New functions.
	(try_combine): Use likely_spilled_retval_p.

2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>

	* config.gcc: Add crx-elf support.

	* doc/contrib.texi: Mention crx.
	* doc/extend.texi: Document crx extensions.
	* doc/install.texi: Document crx install.
	* doc/invoke.texi: Document crx options.
	* doc/md.texi: Document crx constraints.

	* config/crx/crx-protos.h: New file.
	* config/crx/crx.c: New file.
	* config/crx/crx.h: New file.
	* config/crx/crx.md: New file.
	* config/crx/crx.opt: New file.
	* config/crx/t-crx: New file.
	
2005-07-22  Manfred Hollstein  <mh@suse.com>

	* tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
	warnings.
	(int_add_graph_edge): Likewise.
	(collapse_nodes): Likewise.
	(process_unification_queue): Likewise.

2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
	    Laurent GUERBY  <laurent@guerby.net>

	PR tree-optimization/22336
	* function.c (record_block_change): Check for 
	cfun->ib_boundaries_block.
	
2005-07-21  James A. Morrison  <phython@gcc.gnu.org>

	* fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
	(tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.

2005-07-21  DJ Delorie  <dj@redhat.com>

	* toplev.c (warn_deprecated_use): Add warning control to warning
	call.
	* c-typeck.c (parser_build_binary_op): Likewise.
	(c_finish_if_stmt): Likewise.
	* c-common.c (check_function_sentinel): Likewise.
	(check_nonnull_arg): Likewise.

2005-07-21  Richard Henderson  <rth@redhat.com>

	PR tree-opt/22504
	* tree-complex.c (complex_ssa_name_components): New.
	(cvc_lookup): Allow entry not found.
	(create_components): Remove.
	(create_one_component_var, get_component_var): New.
	(get_component_ssa_name, set_component_ssa_name): New.
	(extract_component): Use get_component_ssa_name.
	(update_complex_components): Use set_component_ssa_name.
	(update_complex_components_on_edge): Likewise.
	(update_phi_components): Create new PHI nodes directly, instead
	of adding insns to edges.
	(tree_lower_complex): Allocate and free complex_variable_components
	and complex_ssa_name_components here.

2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
	
	* alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
	revert to returning false.

2005-07-21  Uros Bizjak  <uros@kss-loka.si>

	PR target/21149
	* config/i386/i386.md (sse_movhlps): Fix vec_select values.

2005-07-21  Uros Bizjak  <uros@kss-loka.si>

	PR target/22576
	* config/i386/i386.md (cmpxf): Change operand constraints
	to "nonmemory_operand".

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

	* config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/21180
	* fold-const.c (fold_build1): Add checksum for the operands.
	(fold_build2): Likewise.	
	(fold_build3): Likewise.

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/19055
	* fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

	* common.opt (-fforward-propagate): Committed by mistake,
	removed.

2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* reg-stack.c: Fix comment typo(s).
	* tree-ssa-operands.c: Likewise.
	* tree-vectorizer: Likewise.

2005-07-21  Nick Clifton  <nickc@redhat.com>

	* config/sh/symbian.c: Replace C++ style line comments with C
	style line comments.
	(symbian_add_attribute): Do not use a ? operator on the LHS of
	an assignment.
	(sh_symbian_handle_dll_attribute): Change the type of the
	method vector to "VEC(tree,gc)*" and use vector accessor
	macros to walk over the elements.
	(symbian_export_vtable_and_rtti_p): Likewise.
	(symbian_class_needs_attribute_p): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

	PR target/22085
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
	initialize targetm.resolve_overloaded_builtin here.
	(altivec_expand_overloaded_builtin): Make it non-static.
	* config/rs6000/rs6000-protos.h
	(altivec_expand_overloaded_builtin): New prototype.
	* config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
	targetm.resolve_overloaded_builtin here.
	* config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
	    Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/19210
	* common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
	New.
	* Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
	* loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
	rely on unproven assumptions.
	* predict.c (predict_loops): Adjust call to number_of_iterations_exit.
	* tree-flow.h (number_of_iterations_exit): Add final parameter.
	* tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
	to number_of_iterations_exit.
	* tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
	* tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
	* tree-ssa-loop-niter.c (find_loop_niter,
	estimate_numbers_of_iterations_loop): Likewise.
	(number_of_iterations_exit): Honor the new options.
	* doc/invoke.texi (Wunsafe-loop-optimizations,
	funsafe-loop-optimizations): Document them.

2005-07-21  Richard Sandiford  <richard@codesourcery.com>

	PR rtl-optimization/22167
	* gcse.c (hoist_code): Fix hoist_exprs[] check.

2005-07-20  Adam Nemet  <anemet@lnxw.com>

	* config/rs6000/lynx.h: Mark __do_global_ctors_aux and
	__do_global_dtors_aux longcall.

2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>

	* gensupport.c (old_preds): Don't reference PREDICATE_CODES.
	(old_special_pred_table): Don't reference
	SPECIAL_MODE_PREDICATES.
	* system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
	* config/arc/arc.h: Don't mention PREDICATE_CODES.
	* config/sh/predicates.h: Don't mention
	SPECIAL_MODE_PREDICATES.
	* doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
	Remove.

2005-07-20  DJ Delorie  <dj@redhat.com>

	* config.gcc: Add m32c-elf support.

	* doc/contrib.texi: Mention m32c.
	* doc/extend.texi: Document m32c extensions.
	* doc/install.texi: Mention m32c.
	* doc/invoke.texi: Document m32c options.
	* doc/md.texi: Document m32c constraints.

	* config/m32c/addsub.md: New file.
	* config/m32c/bitops.md: New file.
	* config/m32c/cond.md: New file.
	* config/m32c/jump.md: New file.
	* config/m32c/m32c-lib1.S: New file.
	* config/m32c/m32c-lib2.c: New file.
	* config/m32c/m32c-modes.def: New file.
	* config/m32c/m32c-pragma.c: New file.
	* config/m32c/m32c-protos.h: New file.
	* config/m32c/m32c.abi: New file.
	* config/m32c/m32c.c: New file.
	* config/m32c/m32c.h: New file.
	* config/m32c/m32c.md: New file.
	* config/m32c/m32c.opt: New file.
	* config/m32c/minmax.md: New file.
	* config/m32c/mov.md: New file.
	* config/m32c/muldiv.md: New file.
	* config/m32c/predicates.md: New file.
	* config/m32c/prologue.md: New file.
	* config/m32c/shift.md: New file.
	* config/m32c/t-m32c: New file.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
	(stack_protect_set, stack_protect_test): New expanders.
	(stack_protect_set_si, stack_protect_set_si_media,
	stack_protect_set_di_media, stack_protect_test_si,
	stack_protect_test_si_media, stack_protect_test_di_media):
	New insns.

2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>

	* c-typeck.c (output_init_element): Don't copy the INTEGER_CST.

2005-07-20  James A. Morrison  <phython@gcc.gnu.org>

	* tree.h (tree_expr_nonzero_p): Export.
	* fold-const.c (tree_expr_nonzero_p): Likewise.
	Return true for CALL_EXPRs that are alloca calls.
	(fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
	against zero.
	* tree-flow.h (expr_computes_nonzero): Remove.
	* tree-vrp.c (expr_computes_nonzero): Remove.
	(vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
	(extract_range_from_unary_expr): Likewise.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Use
	tree_expr_nonzero_p.

2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
	* config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
	extra arg "picreg" and use it instead of pic_offset_table_rtx.
	All callers changed.
	(frame_related_constant_load): New arg "related" which controls
	setting of RTX_FRAME_RELATED_P.  All callers changed.
	(bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
	(bfin_expand_prologue): Add stack limit checking.
	* config/bfin/bfin.md (trapifcc): New pattern.

	* config/bfin/bfin.c: Include "langhooks.h".
	(def_builtin): Go through lang_hooks to call builtin_function.

	* config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
	* config/bfin/predicates.md (symbol_ref_operand): New.
	(call_insn_operand): Delete.  All callers changed to use
	register_no_elim_operand.
	* config/bfin/bfin.c (init_cumulative_args): Initialize the new
	call_cookie field.
	(function_arg): Use it to generate the call's operand 2.
	(bfin_longcall_p): New function.
	(bfin_expand_call): Extra arg "cookie".  All callers and declaration
	changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
	determine if the address needs to be in a REG.
	(bfin_handle_longcall_attribute): New function.
	(bfin_attribute_table): Add "longcall" and "shortcall".
	* config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
	(CUMULATIVE_ARGS): New member call_cookie.
	(PREDICATE_CODES): Add symbol_ref_operand.
	* config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
	extra USE to the pattern.
	(call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
	New patterns, split off call_insn, sibcall_insn, call_value_insn and
	sibcall_value_insn; now the new patterns handle direct calls and the
	old ones indirect calls.
	* doc/extend.texi: Mention Blackfin in longcall/shortcall docs.

2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>

	* doc/trouble.texi: Update section on handling of empty loops.

2005-07-20  Kazu Hirata  <kazu@codesourcery.com>

	* config.gcc: Remove support for sparc-*-openbsd*,
	i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
	ns32k-*-netbsd*.
	* config.host: Remove support for i860-*-sysv4* as a host.
	* config/i860/*, config/ip2k/*, config/ns32k/*,
	config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
	* doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
	mention obsolete ports.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
	soft frame pointer.
	(sh_expand_prologue): Use hard_frame_pointer_rtx instead
	of frame_pointer_rtx.
	(sh_expand_epilogue): Likewise.
	(sh_set_return_address): Likewise.
	(initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
	instead of FRAME_POINTER_REGNUM if needed.  Add elimination
	offsets from FRAME_POINTER_REGNUM.
	* config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
	(sh_register_names): Add initializer for sfp.
	(GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
	(VALID_REGISTER_P): Likewise.
	(FIRST_PSEUDO_REGISTER): Update.
	(DWARF_FRAME_REGISTERS): Define.
	(FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
	(HARD_FRAME_POINTER_REGNUM): Define.
	(FRAME_POINTER_REGNUM): Redefine.
	(ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
	but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
	from FRAME_POINTER_REGNUM.
	(CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
	FRAME_POINTER_REGNUM.
	(REG_CLASS_CONTENTS): Add sfp.
	(REG_ALLOC_ORDER): Likewise.
	(FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
	(GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
	of frame_pointer_rtx.
	(LEGITIMIZE_RELOAD_ADDRESS): Likewise.

2005-07-19  James A. Morrison  <phython@gcc.gnu.org>

	* fold-const.c (tree_expr_nonnegative_p): Only return true for
	ABS_EXPR when flag_wrapv is false because of INT_MIN.
	(tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
	of an ABS_EXPR.
	(fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
	ABS_EXPR<x>.

2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>

	Make CONSTRUCTOR use VEC to store initializers.
	* c-common.c (complete_array_type): Update to cope with VEC in
	CONSTRUCTOR_ELTS.
	* c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
	(pp_c_constructor_elts): New function.
	* c-pretty-print.h (pp_c_constructor_elts): Declare.
	* c-typeck.c (build_function_call, build_c_cast, digest_init,
	struct constructor_stack, struct initializer_stack,
	constructor_elements, push_init_level, pop_init_level,
	add_pending_init, find_init_member, output_init_element): Update to
	cope with VEC in CONSTRUCTOR_ELTS.
	* coverage.c (build_fn_info_value, build_ctr_info_value,
	build_gcov_info): Likewise.
	* expr.c (categorize_ctor_elements_1, store_constructor,
	expand_expr_real_1): Likewise.
	* fold-const.c (fold_ternary): Likewise.
	* gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
	gimplify_init_constructor, gimplify_expr): Likewise.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
	node.
	* tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
	CONSTRUCTOR_ELTS.
	* tree-sra.c (generate_element_init_1): Likewise.
	* tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* tree-vect-generic.c (expand_vector_piecewise): Likewise.
	* tree-vect-transform.c (vect_get_vec_def_for_operand):
	(get_initial_def_for_reduction): Likewise.
	* tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
	value handle in annotations.
	* tree.c (tree_node_kind, tree_code_size, make_node_stat,
	tree_node_structure): Add support for constr_kind.
	(build_vector_from_ctor, build_constructor_single,
	build_constructor_from_list): New functions.
	(build_constructor): Update to take a VEC instead of a TREE_LIST.
	(simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
	Update to cope with VEC in CONSTRUCTOR_ELTS.
	* tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
	* tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
	CONSTRUCTOR_APPEND_ELT): New macros.
	(struct constructor_elt, struct	tree_constructor): New data types.
	(union tree_node): Add tree_constructor field.
	* treestruct.def: Define TS_CONSTRUCTOR.
	* varasm.c (const_hash_1, compare_constant, copy_constant,
	compute_reloc_for_constant, output_addressed_constants,
	initializer_constant_valid_p, output_constant,
	array_size_for_constructor, output_constructor): Update to cope with
	VEC in CONSTRUCTOR_ELTS.
	* vec.h (VEC_empty, VEC_copy): New macros.

2005-07-19  Devang Patel  <dpatel@apple.com>

	* dbxout.c (dbxout_type): Check Objective-C++ lang.
	
2005-07-19  Richard Henderson  <rth@redhat.com>

	PR tree-opt/22278
	* gimplify.c (gimplify_expr): Use main variant type for the temp
	destination for a discarded volatile read.
	* tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
	casts between non-void types that change volatility.

2005-07-15  DJ Delorie  <dj@redhat.com>

	* toplev.h: Add comment about the first parameter for warning().
	* errors.h: Likewise.

	* c.opt (Wpragmas): New.
	* doc/invoke.texi: Document it.
	
	* function.c (do_warn_unused_parameter): Add warning control to
	warning call.
	* c-decl.c (warn_if_shadowing): Likewise.
	* c-lex.c (cb_def_pragma): Likewise.
	* c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
	(pop_alignment): Likewise.
	(handle_pragma_pack): Likewise.
	(apply_pragma_weak): Likewise.
	(handle_pragma_weak): Likewise.
	(handle_pragma_redefine_extname): Likewise.
	(add_to_renaming_pragma_list): Likewise.
	(handle_pragma_extern_prefix): Likewise.
	(maybe_apply_renaming_pragma): Likewise.
	(handle_pragma_visibility): Likewise.
	
	* config/c4x/c4x-c.c (BAD): Likewise.
	(c4x_parse_pragma): Likewise.
	* config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
	* config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
	(rs6000_pragma_longcall): Likewise.
	* config/v850/v850-c.c (pop_data_area): Likewise.
	(ghs_pragma_section): Likewise.
	(ghs_pragma_section): Likewise.
	(ghs_pragma_interrupt): Likewise.
	(ghs_pragma_starttda): Likewise.
	(ghs_pragma_startsda): Likewise.
	(ghs_pragma_startzda): Likewise.
	(ghs_pragma_endtda): Likewise.
	(ghs_pragma_endsda): Likewise.
	(ghs_pragma_endzda): Likewise.

2005-07-19  Danny Berlin <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	* Makefile.in: Removed tree-promote-statics.c
	* tree-promote-statics.c: Removed.
	* common.opt: Removed flag-promote-statics.
	* opts.c: Ditto.
	* passes.c: Removed tree-promote-statics pass. 
	* tree-pass.h: Ditto.
	* timevar.def: Removed TV_PROMOTE_STATICS.


2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>

	* config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
	and *-*-freebsd9.
	* config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
	
2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR c/22476
	* c-common.c (check_function_arguments): Call
	'check_function_format' if either -Wformat or
	-Wmissing-format-attribute are specified.
	* c-format.c (check_function_format): Check -Wformat before
	calling 'check_format_info'.
	* c-opts.c (c_common_post_options): Don't warn for
	-Wmissing-format-attribute without -Wformat.
	* c-typeck.c (convert_for_assignment): Detect additional cases for
	-Wmissing-format-attribute.
	* doc/invoke.texi (-Wmissing-format-attribute): Document new
	behavior.

2005-07-19  Richard Guenther  <rguenther@suse.de>

	* config/i386/i386.md (lrint<mode>2): Use temporary
	instead of clobbering non-existent memory.

2005-07-19  Nick Clifton  <nickc@redhat.com>

	* config/avr/avr.c (legitimate_address_p): Fix debugging print
	statement to avoid displaying ASCII control characters.

2005-07-19  Ben Elliston  <bje@au.ibm.com>

	* bt-load.c (link_btr_uses): Fix uninitialised warnings.
	* cfganal.c (find_edge_index): Ditto.
	* combine.c (combine_instructions): Ditto.
	* ddg.c (create_scc): Ditto.
	(find_successors): Ditto.
	(find_predecessors): Ditto.
	(find_nodes_on_paths): Ditto.
	(longest_simple_path): Ditto.
	* flow.c (update_life_info): Ditto.
	(count_or_remove_death_notes): Ditto.
	(clear_log_links): Ditto.
	* modulo-sched.c (generate_reg_moves): Ditto.
	(find_max_asap): Ditto.
	(find_max_hv_min_mob): Ditto.
	(find_max_dv_min_mob): Ditto.
	* sbitmap.c (sbitmap_first_set_bit): Ditto.
	* sched-rgn.c (extract_edgelst): Ditto.
	* tree-into-ssa.c (prepare_names_to_update): Ditto.
	(dump_update_ssa): Ditto.
	(ssa_names_to_replace) Ditto.
	(switch_virtuals_to_full_rewrite): Ditto.
	(update_ssa): Ditto.
	* tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.

2005-07-18  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/22483
	
	* tree-complex.c (create_components): Use
	safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
	* tree-flow-inline.h (fill_referenced_var_vec): New function.
	* tree-flow.h (safe_referenced_var_iterator): New structure.
	(FOR_EACH_REFERENCED_VAR_SAFE): New macro.
	* tree-ssa-alias.c (setup_pointers_and_addressables): Use
	safe_referenced_var iterator.
	(add_type_alias): Ditto.

2005-07-19  Steven Bosscher  <stevenb@suse.de>

	* loop-init.c (rest_of_handle_loop2): Remove.
	(rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
	rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
	(pass_rtl_loop_init, pass_rtl_loop_done,
	pass_rtl_move_loop_invariants, pass_rtl_unswitch,
	pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
	* tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
	pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
	pass_tree_loop_done, and pass_tree_unswitch.
	(gate_loop): Rename to gate_tree_loop.
	* passes.c (init_optimization_passes): Update for renamed tree
	loop passes.  Add the new loop2 passes as subpasses of loop2.
	* tree-pass.h: Add extern declarations for the new loop2 subpasses.
	Update for the renamed tree loop passes.

2005-07-18  Ian Lance Taylor  <ian@airs.com>

	PR middle-end/22057
	* tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
	blocks when optimizing.

2005-07-18  Steve Ellcey  <sje@cup.hp.com>

	* common.opt (frename-registers): Initialize to 2.
	(fweb): Ditto.
	(fgcse-after-reload): Ditto.
	* toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
	(process_options): Only change flag_web, flag_rename_registers,
	and flag_rerun_cse_after_loop if not explicitly set by user.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

	* config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
	ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
	in 64-bit mode the same as DImode in 32-bit mode.
	(ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
	ix86_split_lshr): Likewise. Rename to no longer refer to a specific
	mode. Add new mode parameter. 
	* config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
	* config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
	x86_64_shift_adj): New expanders.
	(*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
	*ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
	insns.
	Respective new splitters. Use renamed shift splitter helpers in 32-bit
	DImode shift splitters.
	* config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
	ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
	mode parameter.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

	* i386.md (movdi_extzv_1): New.
	(zero_extendhidi2): Combine alternatives and never force use of
	REX64 prefix.
	(zero_extendqidi2): Likewise. Don't restrict input selection.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/22531
	* tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
	 moment.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

	* tree-promote-statics.c (pass_promote_statics): Change dump file
	 name.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_eliminate_useless_stores pass.
	* tree-pass.h (pass_eliminate_useless_stores): New pass structure.
	* tree-ssa-pre.c (is_copy_stmt): New function.
	(follow_copies_till_vuse): Ditto.
	(do_eustores): Ditto.
	(gate_eustores): Ditto.	
	
2005-07-16  Richard Henderson  <rth@redhat.com>

	* gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.

2005-07-16 Danny Berlin <dberlin@dberlin.org>
	   Kenneth Zadeck <zadeck@naturalbridge.com>

	* Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
	ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
	ipa-type-escape.h, tree-promote-statics.c
	* ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
	ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
	tree-promote-statics.c: new files.
	* alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
	nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
	int nonlocal_set_p, mark_constant_function): Deleted.
	(rest_of_handle_cfg): Removed call to mark_constant_function. 
	(nonoverlapping_component_refs_p): Added calls to support
	type based aliasing.    
	* tree-ssa-alias.c (may_alias_p,
	compute_flow_insensitive_aliasing): Ditto.
	* calls.c (flags_from_decl_or_type): Removed reference to
	cgraph_rtl_info. 
	* c-typeck.c (convert_arguments): Make builtins tolerant of having
	too many arguments.  This is necessary for Spec 2000.
	* cgraph.h (const_function, pure_function): Removed.
	* common.opt: Added "fipa-pure-const", "fipa-reference",  
	"fipa-type-escape", and "ftree-promote-static".
	* opts.c: Ditto.
	* passes.c: Added ipa and tree-promote-statics passes. 
	* timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
	TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
	* tree-dfa.c (referenced_var_lookup_if_exists): New function.
	* tree-flow.h: Added exposed sra calls and addition of 
	reference_vars_info field for FUNCTION_DECLS.
	* tree-pass.h: Added passes.
	* tree-sra.c: (sra_init_cache): New function.
	(sra_insert_before, sra_insert_after) Made public.
	(type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
	and made public.
	* tree-ssa-alias.c (dump_alias_stats): Added stats for type based
	aliasing. (may_alias_p): Added code to use type escape analysis to
	improve alias sets.
	* tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
	code to prune clobbers of static variables based on information
	produced in ipa-reference pass.  Changed call clobbering so that
	statics are not marked as clobbered if the call does not clobber
	them.

2005-07-16  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (need_to_solve): Need to check for preds,
	too.

2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>

	* doc/install.texi (*-*-solaris2*): Document recommended version
	of GNU binutils and mention GNU linker problem on Solaris 10.

2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/22421
	* c-decl.c (c_build_bitfield_integer_type): New function.
	(finish_struct): Call it.
	* c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.

2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-typeck.c (digest_init): Call 'convert_for_assignment'
	before returning.

2005-07-16  Jan Hubicka  <jh@suse.cz>

	* cfg.c (update_bb_profile_for_threading): Fix profile updating.
	(scale_bbs_frequencies_int): Watch roundoff errors.
	* predict.c (return_prediction): Initialize return_stmt.

2005-07-16  Jan Hubicka  <jh@suse.cz>

	* profile.c (rest_of_handle_branch_prob): Fix handling of estimation
	after RTL profiling.

2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/22398
	* fold-const.c (build_range_check): Convert high/low to etype
	if we are only comparing against exp.

2005-07-13  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/22376
	* tree-ssa-structalias.c (build_constraint_graph): We really meant
	special var here.
	(need_to_solve): New function.
	(compute_points_to_sets): Use it.
	
2005-07-15  Jan Hubicka  <jh@suse.cz>

	* cfg.c (update_bb_profile_for_threading): More diagnostic.
	* tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.

2005-07-15  Richard Guenther  <rguenther@suse.de>

	* c-common.c (handle_flatten_attribute): New function.
	Add flatten function attribute.
	* doc/extend.texi: Document flatten function attribute.
	* Makefile.in (ipa-inline.o): Depend on hashtab.h.
	* ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
	New functions.
	(cgraph_decide_inlining): Handle functions with flatten
	attribute.

2005-07-14  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
	UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
	UNSPEC_XCHG, UNSPEC_AND): New.
	(UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
	UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
	* config/rs6000/sync.md (FETCHOP): New code macro.
	(fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
	New code attrs.
	(memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
	(sync_compare_and_swap<mode>): Same.
	(sync_lock_test_and_set<mode>): Same.
	(sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
	for QImode and HImode, and not PPC405.
	(sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
	(sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
	(sync_<fetchop>{si,di}_internal): New.
	(sync_nand{si,di}_internal): New.
	(sync_old_<fetchop>{si,di}_internal): New.
	(sync_old_nand{si,di}_internal): New
	(sync_new_<fetchop>{si,di}_internal): New.
	(sync_new_nand{si,di}_internal): New.
	(atomic_and{si,di}): New.
	(sync_new_nand{si,di}_internal): New.
	(atomic_and{si,di}): New.
	(sync_add<mode>_internal): Delete.
	(sync_addshort_internal): Use unspec instead of unspec_volatile.
	(sync_sub<mode>_internal): Delte.
	(sync_subshort_internal): New.
	(sync_andsi_internal): Use unspec instead of unspec_volatile.
	(sync_anddi_internal): Delete.
	(sync_boolsi_internal): Use unspec instead of unspec_volatile.
	(sync_booldi_internal): Delete.
	(sync_boolc<mode>_internal): Delete.
	(sync_boolcshort_internal): Use unspec instead of unspec_volatile.
	(sync_boolc<mode>_internal2): Delete.
	(sync_boolcc<mode>_internal): Delete.
	(isync, lwsync): Use unspec instead of unspec_volatile.
	* config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
	Revert UNSPEC_VOLATILE.
	(rs6000_split_atomic_op): New.
	* config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.

2005-07-14  Eric Christopher  <echristo@redhat.com>

	* config/mips/mips.c (mips_canonicalize_comparison): Cast
	argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.

2005-07-14  Eric Christopher  <echristo@redhat.com>

	* config/s390/t-tpf (SHLIB_MAPFILES): Remove.

2005-07-14  Steven Bosscher  <stevenb@suse.de>

	PR tree-optimization/22230
	* tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
	the computation of the four cross productions for "range op range".

2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
	    Ulrich Weigand  <uweigand@de.ibm.com>

	PR target/20126
	* loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
	in some insn.

2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.

2005-07-14  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.

2005-07-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/22347
	* config/i386/i386-protos.h (ix86_function_value): Change
	prototype to match new target hook.
	* config/i386/i386.c (ix86_value_regno): Change prototype
	to take extra type argument.
	(TARGET_FUNCTION_VALUE): Define.
	(ix86_function_ok_for_sibcall): Pass extra argument to
	ix86_value_regno, check return slot rtx for exact match.
	(ix86_function_value): Take extra parameter.  Dispatch to
	ix86_value_regno with fndecl/fntype as provided.
	(ix86_value_regno): Handle extra type argument.
	* config/i386/i386.h (FUNCTION_VALUE): No longer define.

	* testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
	* testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
	* testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
	* testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
	* testsuite/gcc.target/i386/sseregparm-7.c: New testcase.

2005-07-14  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (explow.o, reg-stack.o): Depend on target.h.
	* calls.c (expand_call): Pass fntype to hard_function_value.
	(emit_library_call_value_1): Likewise.
	* explow.c: Include target.h.
	(hard_function_value): Take extra argument, the fntype.
	Use new target hook for function_value.
	* expr.h (hard_function_value): Change prototype.
	* function.c (aggregate_value_p): Pass 0 as fntype to
	hard_function_value.
	(assign_parms): Use new target hook for function_value.
	Pass 0 as fntype to hard_function_value.
	(expand_function_end): Likewise.
	* reg-stack.c: Include target.h.
	(stack_result): Use new target hook for function_value.
	* target-def.h: New target hook function_value.
	* target.h: Likewise.
	* targhooks.c (default_function_value): New function.
	* targhooks.h (default_function_value): Declare.

2005-07-13  Ian Lance Taylor  <ian@airs.com>

	* config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.

2005-07-14  Jan Hubicka  <jh@suse.cz>

	* tree-dfa.c (dump_variable): Use default_def function.
	* tree-ssa-alias.c (dump_points_to_info): Likewise.
	* tree-ssa.c (verify_use): Likewise.
	* tree-ssanames.c (release_ssa_name): Likewise.
	* tree-tailcall.c (eliminate_tail_call): Likewise.
	(tree_optimize_tail_calls_1): Likewise.
	* tree-vrp.c (get_value_range): Likewise.

2005-07-14  Ben Elliston  <bje@au.ibm.com>

	* gcc.c (main): Compare language[0] with '*' when iterating over
	the infiles.