tree-pass.h, [...]: Revert last change.

[gcc.git] / gcc / ChangeLog

2005-09-17  Richard Henderson  <rth@redhat.com>

	* tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
	* tree-ssa-loop.c (pass_vect_dce): Remove.
	* passes.c (init_optimization_passes): Add pass_dce as a sub-pass
	of pass_vectorize.

2005-09-17  Richard Henderson  <rth@redhat.com>

	* tree-pass.h (pass_vect_dce): Declare.
	* passes.c (init_optimization_passes): Add it.
	* tree-flow.h (tree_ssa_dce): Declare.
	* tree-ssa-dce.c (tree_ssa_dce): Export.
	* tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
	(gate_tree_vectorize): ... here.
	(pass_vect_dce): New.

2005-09-17  Jan Hubicka  <jh@suse.cz>

	* except.c (struct eh_status): Turn region_array into vec.
	(expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
	convert_from_eh_region_ranges, find_exception_handler_labels, 
	current_function_has_exception_handlers, assign_filter_values, 
	build_post_landing_pads, dw2_build_landing_pads,
	sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
	sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
	foreach_reachable_handler, can_throw_internal_1,
	convert_to_eh_region_ranges, verify_eh_tree): Update uses of
	region_array.
	(duplicate_eh_region_1): Update region_array.
	(duplicate_eh_regions): Resize region_array and avoid recomputing.

2005-09-17  David Edelsohn  <edelsohn@gnu.org>

	PR middle-end/22067
	* expmed.c (expand_mult): Substitute simple register for op0 when
	computing max_cost.

2005-09-17  Richard Henderson  <rth@redhat.com>

	* expr.c (emit_move_via_integer): Add force argument, pass it on
	to emit_move_change_mode.  Update callers.
	(emit_move_complex): Pass true to new force argument.
	* function.c (expand_function_end): Move expand_eh_return call
	earlier.  Merge sub-word complex values into a pseudo before
	copying to the return hard register.

2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>

	* varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
	between different sizes.

2005-09-16  Paolo Bonzini  <bonzini@gnu.org>

	PR 23903

	* passes.c (init_optimization_passes): Register dump files for
	IPA passes first.

2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390-protos.h (s390_overlap_p): Prototype added.
	* config/s390/s390.c (s390_overlap_p): New function.
	* config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
	peephole2, "*xc" peephole2): Added overlap check to the peephole2
	condition.

2005-09-16  Richard Guenther  <rguenther@suse.de>

	* ipa-pure-const.c (static_execute): Free auxiliar information.
	* ipa-type-escape.c (discover_unique_type): Free temporary key.
	* tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.

2005-09-15  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.

2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

	* optabs.c (expand_binop): Use swap_commutative_operands_with_target
	to order operands.
	(swap_commutative_operands_with_target): New.

2005-09-15  Daniel Berlin  <dberlin@dberlin.org>

	* tree-data-ref.c (analyze_array_indexes): Add estimate_only
	parameter.
	Update callers.
	(estimate_iters_using_array): New function.
	* tree-data-ref.h (estimate_iters_using_array): Prototype
	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
	Use estimate_iters_using_array instead of analyze_array.
	
2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-nested.c (get_frame_type): Mark the "non-local frame structure"
	as addressable.

2005-09-15  Michael Matz  <matz@suse.de>

	* tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.

2005-09-14  Daniel Berlin  <dberlin@dberlin.org>

	PR tree-optimization/23835
	* tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
	(create_name_tags): Rewrite to be not O(num_ssa_names^2).

2005-09-14  Richard Henderson  <rth@redhat.com>

	* config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
	(addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.

2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>

	* config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
	in the ARRAY_TYPE case.

2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.

2005-09-14  Uros Bizjak  <uros@kss-loka.si>

	PR middle-end/22480
	* tree-vect-transform.c (vectorizable_operation): Return false for
	scalar shift operations and for vector shift operations with
	non-invariant shift arguments.  Use scalar tree operand op1 as
	a shift operand when vector shift insn pattern uses scalar shift
	operand.
	* Makefile.in (tree-vect-transform.o): Depend on recog.h.

2005-09-14  Olivier Hainque  <hainque@adacore.com>

	* gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
	value if it has side-effects.

2005-09-14  David Edelsohn  <edelsohn@gnu.org>

	PR target/22068
	* config/rs6000/rs6000.md (muldi3): Add mulli alternative.

2005-09-14  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
	passed as NAME as if it were label at start of function code.

2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (*movv4sf_i): Add general register cases to
	the constraints.

2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>

	* config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
	as early clobber.  Rewrite so the PIC register is not implicitly used.

2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* tree.c (annotate_with_file_line): Compare line numbers before
	file names.

2005-09-13  Uros Bizjak  <uros@kss-loka.si>

	PR target/23816
	* config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
	(*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.

2005-09-13  Ian Lance Taylor  <ian@airs.com>

	* loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
	than a HOST_WIDEST_INT to gen_doloop_begin.

2005-09-13  Diego Novillo  <dnovillo@redhat.com>

	* tree-dfa.c (dump_variable): Guard against NULL annotations.

2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimize/23817
	* tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.

2005-09-13  Alan Modra  <amodra@bigpond.net.au>

	PR target/23774
	* config/rs6000/rs6000.md (restore_stack_block): Write the backchain
	word before changing the stack pointer.	 Use gen_frame_mem for MEMs.
	Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
	(restore_stack_nonlocal): Likewise.
	(save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.

2005-09-12  Ian Lance Taylor  <ian@airs.com>

	PR g++/7874
	* c.opt (ffriend-injection): New C++ option.
	* doc/invoke.texi (Option Summary): Mention -ffriend-injection.
	(C++ Dialect Options): Document -ffriend-injection.

2005-09-12  Josh Conner  <jconner@apple.com>

	PR middle-end/23237
	* ipa-reference.c (static_execute): Don't mark variables in
	named sections TREE_READONLY.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
	stack_tie.

2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and 
	V_MUST_DEF instead of just the first_use_p.
	Don't mark the virtual variables for renaming on the statement which 
	is being removed.
	(pass_dse): Remove TODO_update_ssa.

2005-09-12  J"orn Rennecke <joern.rennecke@st.com>

	PR middle-end/23290
	* stor-layout.c (compute_record_mode): For records with a single
	field, actually check the field's mode size against the type size.

	* sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
	registers for TARGET_SHMEDIA.
	(enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
	GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
	of GENERAL_REGS and FP_REGS.

2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
	CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
	are omitted.  Exclude stack_tie insn too.

2005-09-11  David Edelsohn  <edelsohn@gnu.org>

	PR rtl-optimization/23098
	* config/rs6000/predicates.md (easy_fp_constant): SFmode constant
	0.0f is easy.
	* config/rs6000/rs6000.md (movdf splitter): Use
	const_double_operand predicate for TARGET_POWERPC64.
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
	SYMBOL_REF method to ABI_V4.

	* config/rs6000/altivec.md (build_vector_mask_for_load): Use
	replace_equiv_address.
	* config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
	rs6000_sr_alias_set and MEM_NOTRAP.
	(rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().

2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (contains_placeholder_p) <tcc_expression>: Properly
	handle CALL_EXPR again.

2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>

	* arm/predicates.md (alignable_memory_operand): Delete.

2005-09-10  Richard Henderson  <rth@redhat.com>

	PR debug/23806
	* dbxout.c (dbxout_expand_expr): New.
	(dbxout_symbol): Use it.

2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>

	* arm.c (arm_gen_rotated_half_load): Delete.
	(vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
	(emit_multi_reg_push, emit_sfm, arm_expand_prologue)
	(thumb_set_return_address): Likewise.
	(thumb_load_double_from_address): Use adjust_address.
	* arm.md (splits calling arm_gen_rotated_half_load): Delete.
	(extendhsisi2_mem, movhi_bytes): Use change_address.
	(movhi): Use widen_memory_access.
	(reload_out_df): Use replace_equiv_address.
	* arm-protos.h (arm_gen_rotated_half_load): Delete prototype.

2005-09-09  Richard Henderson  <rth@redhat.com>

	PR debug/20998
	* dbxout.c: Include expr.h.
	(dbxout_global_decl): Don't suppress for DECL_RTL unset.
	(dbxout_symbol): Handle DECL_VALUE_EXPR.
	* Makefile.in (dbxout.o): Add EXPR_H.

2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/23509
	* tree-cfg.c (replace_uses_by): Use replace_exp.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
	pointers have name_mem_tag or type_mem_tag set.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

	* tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
	CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
	of wrongly accessing operands.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

	* Makefile.in (tree-chrec.o): Depends on SCEV_H.
	* tree-chrec.c: Include tree-scalar-evolution.h.
	(chrec_convert): Instantiate the base and step before calling
	scev_probably_wraps_p that would fail on parametric evolutions.
	Collect all the fails into a single section failed_to_convert,
	print a diagnostic, and return chrec_dont_know instead of calling
	fold_convert.
	* tree-scalar-evolution.c (loop_closed_phi_def): New.
	(instantiate_parameters_1): Avoid instantiation of loop closed ssa
	phi nodes.
	(scev_const_prop): Don't replace the definition of a loop closed ssa
	phi node by itself, or by another loop closed ssa phi node.
	* tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
	that base and step are defined.

2005-09-09  Richard Guenther  <rguenther@suse.de>

	PR c++/23624
	* fold-const.c (fold_ternary): Check truth_value_p before
	calling invert_truthvalue.

2005-09-09  Nick Clifton  <nickc@redhat.com>

	* Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
	* libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
	dimension of these arrays.
	* libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
	these arrays.
	* longlong.h: Only provide a prototype for the __clz_tab[] array
	if this header has not been included from libgcc2.h.
	* config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
	defining own types.
	Provide prototypes for exported functions.
	Use the __clz_tab[] and __popcount_tab[] arrays provided by
	libgcc2.c.

2005-09-08  Josh Conner  <jconner@apple.com>

	PR c++/21135
	PR c++/23180
	* expr.c (expand_expr_addr_expr_1): Don't invoke
	expand_simple_binop for EXPAND_INITIALIZER.

2005-09-08  Richard Henderson  <rth@redhat.com>

	PR debug/23190
	* toplev.c (wrapup_global_declaration_1): Split out ...
	(wrapup_global_declaration_2): ... from ...
	(wrapup_global_declarations): ... here.  Return bool.
	(check_global_declaration_1): Split out ...
	(check_global_declarations): from here.
	(emit_debug_global_declarations): New.
	* toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
	check_global_declaration_1, emit_debug_global_declarations): Declare.
	* c-decl.c (c_write_global_declarations_1): Don't create a vector
	of decls.  Call wrapup_global_declaration_1,
	wrapup_global_declaration_2, check_global_declaration_1 directly.
	(c_write_global_declarations_2): New.
	(ext_block): New.
	(c_write_global_declarations): Call c_write_global_declarations_2.
	* langhooks.c (write_global_declarations): Call
	emit_debug_global_declarations.

	* cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
	remove decls that have DECL_RTL_SET_P.
	* passes.c (rest_of_decl_compilation): Invoke
	cgraph_varpool_finalize_decl for all but functions.

2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
	the result of a conversion if the new min and max cannot be compared.

2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_sr_alias_set): Variable removed.
	(override_options): Setting s390_sr_alias_set removed.
	(save_fpr, save_gprs): Set alias set to vararg or frame.
	(restore_fpr, restore_gprs, s390_emit_prologue): Replace 
	s390_sr_alias_set with get_frame_alias_set ().
	(s390_gimplify_va_arg): Replace s390_sr_alias_set with
	get_varargs_alias_set ().

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

	PR objc/20574
	PR objc/19324
	* c-parser.c (c_parser_objc_method_definition): If the next
	token is not "{", error out and don't start the function.

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree-vrp.c (extract_range_from_expr): Move the check for non
	nullness after the check for gimple invariant.

2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* tree.c (host_integerp, tree_low_cst): Correct function comment.

2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

	PR target/23747
	* config/m32r.md (movmemsi_internal): Canonicalize order of
	operands in PLUS component of template.

2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>

	* reload1.c (fixup_eh_region_note): Remove assertion.
	(fixup_abnormal_edges): Reverted removal of call to 
	find_many_sub_basic_blocks made on 2005-08-31.

2005-09-07  Richard Henderson  <rth@redhat.com>

	* function.c (ARG_POINTER_CFA_OFFSET): Move ...
	* defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
	(INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
	* dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
	rearrange for better packing.
	(INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
	(lookup_cfa_1): Remove inline marker.
	(cfa_equal_p): Split out of ...
	(def_cfa_1): ... here.  Use INVALID_REGNUM.
	(build_cfa_loc): Handle !cfa->indirect.
	(frame_pointer_cfa_offset): New.
	(dbx_reg_number): Assert register elimination performed; do
	leaf register remapping.
	(reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
	(eliminate_reg_to_offset): New.
	(based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
	for verifiably local stack frame addresses; re-base to CFA.
	(mem_loc_descriptor): Remove can_use_fbreg argument.
	(concat_loc_descriptor, loc_descriptor): Likewise.
	(containing_function_has_frame_base): Remove.
	(rtl_for_decl_location): Don't do register elimination or
	leaf register remapping here.
	(secname_for_decl): Split out from ..
	(add_location_or_const_value_attribute): ... here.
	(convert_cfa_to_loc_list): New.
	(compute_frame_pointer_to_cfa_displacement): New.
	(gen_subprogram_die): Use them.
	* tree.h (frame_base_decl): Remove.
	* var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
	(prologue_stack_adjust): Remove.
	(vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
	(adjust_stack_reference): Re-base memories to arg_pointer_rtx.
	(set_frame_base_location): Remove.
	(compute_bb_dataflow, emit_notes_in_bb): Don't call it.
	(dump_attrs_list, dump_dataflow_set): Use string concatenation.
	(vt_add_function_parameters): Don't eliminate_regs.
	(vt_initialize): Don't create frame_base_decl.

2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
	version of GNU binutils for 4.x and later.

2005-09-06  Mark Mitchell  <mark@codesourcery.com>

	* ggc-page.c (ggc_push_context): Remove.
	(ggc_pop_context): Likewise.
	* ggc.h (ggc_push_context): Remove.
	(ggc_pop_context): Likewise.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

	PR target/8973
	* config/arc/arc.c (arc_output_function_epilogue): Update flags while
	returning from an interrupt handler.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

	PR target/8972
	* config/arc/arc.c (output_shift): Add check for loop count when
	optimizing.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

	* tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
	form manually.
	(abs_replacement): Likewise.
	(pass_phiopt): Remove TODO_update_ssa.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

	PR c/23075
	* c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
	if "return with no value, in function returning non-void" warning
	has been issued.
	* tree-cfg.c (execute_warn_function_return): Don't look at
	RETURN_EXPRs with TREE_NO_WARNING set.

	PR target/22362
	* config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
	for internal functions doesn't use registers used by global registers
	variables.  Use fewer register parameters if there are global register
	variables.

2005-09-06  Olivier Hainque  <hainque@adacore.com>
	    Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/14997
	* expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
	when we would be extracting outside its bit span (bitpos+bitsize
	larger than its mode), possible with some VIEW_CONVERT_EXPRs from
	Ada unchecked conversions.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

	* tree-ssa-pre.c (try_look_through_load): New function.
	(compute_avail): Use it to try to look through loads for some
	more useful expressions.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

	* simplify-rtx.c (simplify_binary_operation_1): Correct the 
	condition for detecting cases like (a&a) and (a^a).

2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>

	* common.opt: Add option ftree-vect-loop-version.
	* params.def: Add --param vect-max-version-checks.
	* doc/invoke.texi: Document ftree-vect-loop-version and
	--param vect-max-version-checks.
	* tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
	may_misalign_stmts and defines for accessors.
	* tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
	LOOP_VINFO_MAY_MISALIGN_STMTS.
	(destroy_loop_vec_info): VEC_free for
	LOOP_VINFO_MAY_MISALIGN_STMTS.
	* tree-vect-analyze.c (vect_compute_data_ref_alignment):
	Update documentation.
	(vect_update_misalignment_for_peel): New.
	(vect_enhance_data_refs_alignment): Update to choose loop
	peeling or loop versioning if appropriate for the (potentially)
	unaligned data references in the loop.
	(vect_analyze_data_refs_alignment): Remove call to
	vect_enhance_data_refs_alignment so the checks can be done
	earlier.
	(vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
	and move up call to vect_analyze_data_refs_alignment.
	* tree-vect-transform.c (vect_create_cond_for_align_checks): New.
	(vect_transform_loop): Add call to loop_version.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/23098
	* cse.c (fold_rtx_mem): Call delegitimize_address target hook.
	* simplify-rtx.c (constant_pool_reference_p): New function.
	* rtl.h (constant_pool_reference_p): New prototype.
	* config/i386/i386.md (pushf split, mov[sdx]f split): Use
	constant_pool_reference_p in condition and
	avoid_constant_pool_reference in preparation statements.

2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>

	* gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
	STRICT_LOW_PART SETs.

2005-09-06  Alan Modra  <amodra@bigpond.net.au>

	PR middle-end/21460
	* except.c (sjlj_emit_function_enter): Find the function begin
	note even when it's not in first basic block.

2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>

	* acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
	AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
	* aclocal.m4: Regenerate.

2005-09-05  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
	of macro.

2005-09-06  Kazu Hirata  <kazu@codesourcery.com>

	* gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
	config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
	config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
	Follow spelling conventions.
	* doc/invoke.texi: Follow spelling conventions.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

	* rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
	* emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
	* builtins.c (expand_builtin_return_addr): Use gen_frame_mem.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

	PR target/23683
	* sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
	(output_stack_adjust): Use gen_tmp_stack_mem.
	(sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
	(sh_set_return_address, sh_allocate_initial_value): Likewise.
	(sh_get_pr_initial_val): Likewise.
	(sh_builtin_saveregs): Use gen_frame_mem and change_address.
	(sh_initialize_trampoline): Likewise.  Also use adjust_address.
	* sh.md (divsi_inv_m0): Use gen_const_mem.
	(push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
	(movdf_i4+1): Use gen_tmp_stack_mem.
	(reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
	(fpu_switch+2): Likewise.
	(movv4sf_i, movv16sf_i): Use adjust_address.
	(symGOT_load): Set MEM_NOTRAP_P bit.

2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/23721
	* pa.c (emit_move_sequence): Fix typo in last change.

2005-09-03  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/23454
	* reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
	is true.

2005-09-03  Richard Henderson  <rth@redhat.com>
	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/23671
	* pa.c (emit_move_sequence): Use replace_equiv_address instead of
	gen_rtx_MEM.

2005-09-02  Nicolas Pitre <nico@cam.org>

	* config/arm/arm.c (arm_legitimize_address): Limit the value passed
	to bit_count to 32 bits.

2005-08-31  Mark Mitchell  <mark@codesourcery.com>

	PR c++/23167
	* gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
	generating synthetic loads from volatile lvalues.

005-09-02  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
	__ctzhi2, __clzhi2): New functions.

2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/23547
	* tree-nested.c (struct var_map_elt): Mark with GTY.
	(struct nesting_info): Mark with GTY.  Mark var_map's param is struct
	var_map_elt.
	(lookup_field_for_decl): Allocate new element in GC memory.
	(lookup_tramp_for_decl): Likewise.
	(convert_nl_goto_reference): Likewise
	(create_nesting_tree): Allocate info in GC memory. Likewise for
	info->var_map.
	(free_nesting_tree): Free with ggc_free instead of free.
	(root): New static variable.
	(lower_nested_functions): Remove root as local variable.  And zero out
	root at the end of the function.

2005-09-02  J"orn Rennecke <joern.rennecke@st.com>

	PR rtl-optimization/20365
	* simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
	to short.  New member ix.
	(simplify_plus_minus_op_data_cmp): Break ties using ix member.
	(simplify_plus_minus): Initialize ix members before calling qsort.

2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/23626
	* tree-cfg.c (replace_uses_by): Clean up eh info.

2005-09-01  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
	fprintf.

2005-09-01  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
	(rs6000_split_multireg_move): Use replace_equiv_address instead of
	gen_rtx_MEM.

2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>

	* c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
	do not issue warning for a variable definition following
	a declaration.

2005-09-01  Richard Henderson  <rth@redhat.com>

	PR 23668
	* config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
	conversion to CONST_VECTOR.

2005-09-01  Richard Henderson  <rth@redhat.com>

	PR 23676
	* reload1.c (reload_as_needed): Check !CALL_P before calling
	fixup_eh_region_note.
	* rtlanal.c (may_trap_p): SUBREG by itself cannot trap.

2005-09-01  DJ Delorie  <dj@redhat.com>

	* varasm.c (output_constant): Let the target resolve
	conversions of addresses to non-default pointer sizes.

2005-09-01  Nicolas Pitre <nico@cam.org>

	* config/arm/arm.c (arm_legitimize_address): Split absolute addresses
	to alow matching ARM pre-indexed addressing mode.
	(arm_override_options): Remove now irrelevant comment.

2005-09-01  Phil Edwards  <phil@codesourcery.com>

	* config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
	* config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
	* config/i386/vxworks.h:  Likewise.
	* config/i386/t-vxworksae:  New file, for VxWorks AE.
	* config/i386/vxworksae.h:  Likewise.

2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>

	PR tree-optimization/23410
	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
	sequence is not wrapping during the first step.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

	PR debug/7241
	* dwarf2out.c (base_type_die): Compare char_type_node with
	TYPE_MAIN_VARIANT (type), not type.

2005-09-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/15366
	* common.opt: Add -finline-functions-called-once.
	Put -fearly-inlining in alphabetically ordered place.
	* doc/invoke.texi: Document new option.
	* ipa-inline.c (cgraph_decide_inlining): Honour
	flag_inline_functions_called_once.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/23478
	* local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
	(alloc_qty): Initialize it.
	(update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
	(combine_regs): Combine also n_throwing_calls_crossed fields.
	(find_free_reg): Don't attempt to caller-save pseudos crossing
	calls that might throw.
	* global.c (struct allocno): Add throwing_calls_crossed field.
	(global_alloc): Revert 2005-08-22 change.  Initialize
	throwing_calls_crossed.
	(find_reg): Don't attempt to caller-save pseudos crossing calls that
	might throw.

2005-09-01  Alan Modra  <amodra@bigpond.net.au>

	PR target/23649
	* config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
	(mask64_operand): Reinstate code prior to 2005-06-11 change.
	(mask64_2_operand): Reinstate code prior to 2004-11-11 change.
	(and64_2_operand): Tweak to use predicate.
	(and_operand): Adjust for mask_operand changes.
	* config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
	(print_operand): Likewise.
	(rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
	(mask64_1or2_operand): Delete.
	* rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
	* config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
	(EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
	(EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
	* config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
	(rotldi3_internal4): Likewise.
	(rotldi3_internal5, rotldi3_internal5 split): Likewise.
	(rotldi3_internal6, rotldi3_internal6 split): Likewise.
	(ashldi3_internal7): Likewise.
	(ashldi3_internal8, ashldi3_internal8 split): Likewise.
	(ashldi3_internal, ashldi3_internal9 split): Likewise.
	(anddi3 split): Don't match mask64_operand.
	(anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
	(anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
	splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
	't' splitter predicate.
	(movdi_internal64 + 2): Revert 2005-06-11 change.

2005-08-31  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_valid_pointer_mode): New.
	(m32c_asm_integer): Add support for 32 bit pointers.

2005-08-31  Richard Henderson  <rth@redhat.com>

	* emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
	component-like references for setting MEM_NOTRAP_P.

	* config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
	* config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.

2005-08-31  Richard Henderson  <rth@redhat.com>

	* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
	into a pseudo before applying gen_lowpart.

2005-08-31  Geoffrey Keating  <geoffk@apple.com>

	* doc/install.texi (Specific): Update cctools version required
	for full functionality.
	* config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
	linkers as -macosx_version_min.

2005-08-31  J"orn Rennecke <joern.rennecke@st.com>

	PR target/21255
	* sh.c (print_operand, %R and %S): Add handling of floating point
	registers, memory, constants and invalid operands.

2005-08-31  Daniel Berlin  <dberlin@dberlin.org>

	* ipa-pure-const.c: Change dump name.

2005-08-31 Uros Bizjak <uros@kss-loka.si>

	PR target/23570
	* config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
	to "reg_or_0_operand".
	(sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".

2005-08-31  Dale Johannesen  <dalej@apple.com>

	* loop-iv.c (iv_number_of_iterations):  Fix overflow check for
	loops that count down.

2005-08-31  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/23601
	* reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
	(fixup_eh_region_note): New.
	(reload_as_needed): Call it.
	(fixup_abnormal_edges): Allow all throwing insns to be deleted;
	don't call find_many_sub_basic_blocks; call verify_flow_info.
	* function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
	(keep_stack_depressed): Likewise.
	(assign_stack_temp_for_type): Likewise; use adjust_address_nv.

2005-08-31  Richard Henderson  <rth@redhat.com>

	* config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
	fp return matching.

2005-08-31  Fariborz Jahanian <fjahanian@apple.com>

	* expr.c (expand_expr_real_1): Compare size of address 
	mode to target's address mode size in deciding expansion of 
	the constant address.

2005-08-31  Richard Guenther  <rguenther@suse.de>

	PR middle-end/23477
	* expr.c (all_zeros_p): New function.
	(expand_expr_real_1): Handle the case of an all-zero
	non-addressable constructor separately.

2005-08-31  Adrian Straetling  <straetling@de.ibm.com>

	* builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
	arguments, adjust all callers.
	(expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.

2005-08-30  Richard Henderson  <rth@redhat.com>

	PR target/23630
	* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
	whenever the mode sizes match.

2005-08-31  Alan Modra  <amodra@bigpond.net.au>

	* calls.c (load_register_parameters): Fix comment typo.
	* expr.c (emit_push_insn): Comment formatting.

2005-08-30  Ian Lance Taylor  <ian@airs.com>

	* config/i386/x-cygwin (host-cygwin): Change dependency from
	hosthooks-def.h to $(HOSTHOOKS_DEF_H).

2005-08-29  Geoffrey Keating  <geoffk@apple.com>

	* config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
	parts of 'vals'.

2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/23408
	* ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
	call to ggc_collect.

2005-08-29  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/21268
	* Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
	beginning.  Remove $(INCLUDES) from all the rules, if following
	$(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).

2005-08-29  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/23484
	* builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
	fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
	not constant, but maxlen is, don't set len to maxlen, rather
	set maxlen to len if len is a constant.

2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/23475
	* tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
	and counts.

2005-08-28  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR middle-end/22455

	* fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
	Checksum only the parts of the tree that exist for the tree code.

2005-08-28  Dale Johannesen  <dalej@apple.com>

	* config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.

2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree-vrp.c: Remove obsolete comment in front of vrp_initialize.

2005-08-28  Richard Henderson  <rth@redhat.com>

	* stor-layout.c (finalize_type_size): Revert workaround from 08-26.
	* tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
	of char_type_node.

2005-08-28  Jakub Jelinek  <jakub@redhat.com>

	PR ada/23593
	* builtins.c (get_memory_rtx): Don't strip nops
	in between COMPONENT_REFs.

2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/23463
	* gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
	types.
	(gimplify_modify_expr): Check for zero sized types and gimplify the
	rhs and lhs as statements.

2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>

	PR libgcj/23508
	* pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
	state for return address column of signal frames.

2005-08-27  David Edelsohn  <edelsohn@gnu.org>

	PR target/23539
	* config/rs6000/rs6000.c (expand_block_clear): Use HImode when
	bytes >= 2 not bytes == 2.
	(expand_block_move): Same.

2005-08-27  Richard Guenther  <rguenther@suse.de>

	PR target/23575
	* config/i386/sse.md (sse2_movsd): Add missing closing
	braces.

2005-08-27  Paul Brook  <paul@codesourcery.com>

	* genrecog.c (enum decision_type): Add DT_num_insns.
	(struct decision_test): Add u.num_insns.
	(add_to_sequence): Add DT_num_insns test.
	(maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
	(write_cond, debug_decision_2): Ditto.
	(change_state): Assume peep2_next_insn never fails.
	Remove "afterward" argument.
	(write afterward, write_tree): Update to match.
	* recog.c (peep2_current_count): New variable.
	(peep2_next_insn): Check it.
	(peephole2_optimize): Set peep2_current_count.
	* recog.h (peep2_current_count): Declare.

2005-08-26  Josh Conner  <jconner@apple.com>

	PR middle-end/23584
	* ipa-pure-const.c (check_tree): Check for volatile-ness
	when considering a dereference.

2005-08-27  Jakub Jelinek  <jakub@redhat.com>

	* rtl.h (MEM_IN_STRUCT_P): Fix comment typo.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/23561
	* builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
	a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
	at most LEN bytes long memory fits into the field.
	(expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
	expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
	expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.

2005-08-26  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/23560
	* loop.c (biased_biv_may_wrap_p): New.
	(maybe_eliminate_biv_1): Use it to suppress non-equality
	comparison transformations.  Delete disabled code.

2005-08-26  Ian Lance Taylor  <ian@airs.com>

	* combine.c (make_extraction): Avoid reference outside object.

2005-08-26  J"orn Rennecke <joern.rennecke@st.com>

	* stor-layout.c (finalize_type_size): Restore behaviour for
	non-aggregate types to the status quo ante of the patch for
	pr 23467.  Document why it matters.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

	PR c/23506
	* c-common.c (c_common_nodes_and_builtins): Increase builtin_types
	array by one element, initialize the BT_LAST element with NULL.

2005-08-26  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
	optimizing for size.
	(plus_eqsi): Same.
	(compare_plus_eqsi): Same.
	(plus_eqsi_compare): Same.
	(neg_eq0<mode>): Same.
	(neg_eq<mode>): Same.

	* config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
	PROCESSOR_POWER4.

2005-08-26  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.c (ep_memory_operand): Return FALSE if
	TARGET_EP is not defined.
	* config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
	TARGET_EP is enabled.
	(OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
	* config/v850/v850.md (save_all_interrupt): Only use the EP
	register if TARGET_EP is defined.
	(restore_all_interrupt): Likewise.
	* config/v850/lib1funcs.asm: Update functions so that the EP
	register is only used if __EP__ is defined.

2005-08-26  David Ung  <davidu@mips.com>

	* config/mips/mips.c (mips_expand_prologue): Handle case when
	generating for MIPS16 and the outgoing argument area is more than
	SMALL_OPERAND. Use the frame pointer as temporary to generate the
	add instruction.

2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>

	* config/crx/crx.md: Make doloop_end pattern usage controllable
	via mloop-nesting=<max-nesting> command line switch. Make sure
	the combiner cannot use doloop_end_<mode> in an illegal way.
	* config/crx/crx.c: Use regs up to r6 for argument passing.
	Refine crx_address_cost (non cst4 displacements are expensive).
	* config/crx/crx.opt: Add switch for mloop-nesting=.

2005-08-26  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
	(UNSPEC_MVST): New constant.

2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
	Reject operands containing eliminable registers.
	* testsuite/gcc.dg/20050825-1.c: New testcase.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
	    Jan Hubicka  <jh@suse.cz>

	* regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/23546
	* tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
	and REAL_CST nodes.

2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>

	* params.def (PARAM_MIN_SPEC_PROB): New.
	* sched-rgn.c (MIN_PROBABILITY): Delete.
	(compute_trg_info): Convert to PARAM_VALUE.
	* doc/invoke.texi (param): Document min-spec-prob.

2005-08-24  Fariborz Jahanian <fjahanian@apple.com>

	* config/darwin.h: define __PIC__
	* config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
	TARGET_OS_CPP_BUILTINS macro.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

	* config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
	yesterday.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

	* bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
	to duplicate_block.
	* cfghooks.c (duplicate_block): Added position where to place
	new block as argument.
	* cfghooks.h (duplicate_block): Declaration changed.
	* cfglayout.c (copy_bbs): Add argument after.  Pass it to
	duplicate_block.
	* cfglayout.h (copy_bbs): Declaration changed.
	* cfgloop.h (loop_version): Declaration changed.
	* cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
	position to copy_bbs.
	(loop_version): Pass position to duplicate_loop_to_header_edge.
	Add place_after argument and position new blocks according to
	it.
	* modulo-sched.c (sms_schedule): Pass place_after argument
	to loop_version.
	* tracer.c (tail_duplicate): Pass argument to duplicate_block.
	* tree-cfg.c (split_edge_bb_loc): New function.
	(tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
	to determine position of new blocks.
	* tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
	to loop_version.
	* tree-ssa-threadupdate.c (create_block_for_threading): Pass
	argument to duplicate_block.
	* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
	Pass position to copy_bbs.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

	* fold-const.c (ptr_difference_const): Use
	cst_and_fits_in_hwi instead of host_integerp.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

	* config/darwin.c (gen_pic_offset): New.
	(machopic_indirect_data_reference,  machopic_legitimize_pic_address):
	Use it.

2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/23486
	* tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.

2005-08-23  Phil Edwards  <phil@codesourcery.com>

	* config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
	remove use_collect2.
	(powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.

	* target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
	configuration files to override the default value.

	* config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
	EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
	* config/vx-common.h:  New file, split out from...
	* config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
	* config/vxworksae.h:  New file, for VxWorks AE.
	* config/vxworks.opt:  New file.
	* config/vxlib.c:  Update for VxWorks 6.

	* config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
	other MULTILIB_* variables appropriately.
	(LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
	* config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
	* config/rs6000/vxworks.h:  Update for VxWorks 6.
	* config/rs6000/vxworksae.h:  New file, mostly placeholder for now.

2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>

	PR target/20799
	* config/darwin.c (machopic_select_section): Remove the hack to
	mark "::operator new" and "::operator delete" for coalescing
	even though they are not weak.

2005-08-24  Alan Modra  <amodra@bigpond.net.au>

	* configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
	* configure: Regenerate.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/23517
	* fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
	between vectors.
	* convert.c (convert_to_integer, convert_to_vector): Likewise.
	* tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
	Likewise.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

	* config/rs6000/predicates.md (equality_operator): New.
	* config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
	comparison with a large constant.

2005-08-23  Mark Mitchell  <mark@codesourcery.com>

	* hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.

2005-08-23  J"orn Rennecke <joern.rennecke@st.com>

	* sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
	registers is even, and we have a hardware double precision fp,
	align the buffer.
	(sh_gimplify_va_arg_expr): For floating point arguments, consider
	size of current argument when checking if argument was passed in
	registers.

	* sh.c (sh_attr_renesas_p): Handle error_mark_node.

	PR middle-end/23467
	* stor-layout.c (finalize_type_size): Dont override
	existing alignment with a smaller alignment from the mode.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

	* lambda-code.c (lambda_vector_lexico_pos): Moved...
	* lambda.h (lambda_vector_lexico_pos): ... here.
	* tree-data-ref.c (build_classic_dist_vector): Return false when
	the distance vector is lexicographically negative.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

	PR tree-optimization/23511
	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
	handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.

2005-08-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/22043
	* tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
	* expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
	If ALLOW_FLEXARR, handle types ending with flexible array member.
	Pass false as second argument to recursive count_type_elements calls.
	(categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
	argument to count_type_elements call.
	* tree-sra.c (decide_block_copy): Likewise.
	* gimplify.c (gimplify_init_constructor): If num_type_elements < 0
	for a constant-sized object, set cleared as well.  Pass true as
	second argument to count_type_elements call.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

	PR target/21571
	* config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
	from legitimate_small_data_p, and make global.  Update use.
	Remove forward declaration.
	* config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
	Declare.
	* config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.

2005-08-23  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (eq<mode>): Use output operand instead
	of scratch intermediates.
	(eq<mode>_compare): Same.
	(neg_eq0<mode>): New.
	(neg_eq<mode>): Convert to define_insn_and_split.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

	PR target/23070
	* config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
	stdarg functions, set/clear the fp marker even when no variable
	args are passed.
	* config/rs6000/sysv4.opt (mprototype): Describe.

2005-08-22  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/23478
	* regs.h (reg_info): Add throw_calls_crossed.
	(REG_N_THROWING_CALLS_CROSSED): Define.
	* flow.c (allocate_reg_life_data): Initialize
	REG_N_THROWING_CALLS_CROSSED.
	(propagate_one_insn, attempt_auto_inc): Update
	REG_N_THROWING_CALLS_CROSSED.
	* global.c (global_alloc): Don't allocate pseudos across
	calls that may throw.

2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

	PR c/18715
	* c-common.c (c_do_switch_warnings): Look for a node where the enum's
	value is inbetween the range if we did not find an exact match.

2005-08-22  Aldy Hernandez  <aldyh@redhat.com>

	* doc/invoke.texi (Option Summary): Add ms1 options.
	* doc/extend.texi: Document interrupt handler attribute for ms1.
	* doc/md.texi: Document ms1 constraints.
	* config.gcc: Add ms1-*-elf.
	* config/ms1/ms1.h: New.
	* config/ms1/ms1.c: New.
	* config/ms1/ms1.md: New.
	* config/ms1/ms1-protos.h: New.
	* config/ms1/ABI.txt: New.
	* config/ms1/crti.asm: New.
	* config/ms1/crtn.asm: New.
	* config/ms1/lib2extra-funcs.c: New.
	* config/ms1/t-ms1: New.
	* config/ms1/ms1.opt: New.

2005-08-22 Ira Rosen <irar@il.ibm.com>

	* config/rs6000/altivec.md (xorv4sf3): New.
	(negv4sf2, neg<mode>2): Likewise.

2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/23485
	* config/ia64/ia64.md (divsi3): Check divide by zero.
	(udivsi3): Likewise.
	(divdi3): Likewise.
	(udivdi3): Likewise.

2005-08-21  Jakub Jelinek  <jakub@redhat.com>

	* simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
	up to elem_bitsize bits, not max_bitsize.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

	PR tree-optimization/23433
	* tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
	REAL_CST when the type is SCALAR_FLOAT_TYPE_P.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

	PR tree-optimization/23434
	* tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
	the iteration bound is not an INTEGER_CST.

2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>

	* tree-vect-transform.c (get_initial_def_for_reduction): Set
	need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
	NULL if need_epilog_adjust is false.
	(vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
	Case 3 always peels first itration, not just for PLUS case, and no need
	to use scalar_initial_def here. Create an epilog adjustment only if
	scalar_initial_def is not NULL.

	(vectorizable_reduction): Remove assert. 

2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/23485
	* config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
	(__moddi3): Likewise.
	(__udivdi3): Likewise.
	(__umoddi3): Likewise.
	(__divsi3): Likewise.
	(__modsi3): Likewise.
	(__udivsi3): Likewise.
	(__umodsi3): Likewise.

2005-08-20  Jakub Jelinek  <jakub@redhat.com>

	* tree-pass.h (TDF_GRAPH): Define.
	* tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
	* passes.c (finish_optimization_passes): Only call
	finish_graph_dump_file if TDF_GRAPH is set.
	(execute_one_pass): Only call clean_graph_dump_file if dump_file !=
	NULL.  Set TDF_GRAPH bit.
	(execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.

2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>

	* arm.h (arm_stack_offsets): Add locals_base field.
	* arm.c (arm_get_frame_offsets): Compute it.
	(thumb_compute_initial_elimination offset): Make the Thumb frame
	pointer point to the base of the local variables.
	(thumb_expand_prologue): Update accordingly.
	(thumb_expand_epilogue): Likewise.

	* arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
	mode of clobbered scratch to DImode.  Handle a case that's known to
	need this.

2005-08-19  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (gt0<mode>): Delete.
	(gt0<mode>_compare): Delete.
	(neg_gt0<mode>): Delete.

2005-08-19  Eric Christopher  <echristo@apple.com>

	* optabs.h: Change CTI_ to COI_.
	* optabs.c: Ditto.

2005-08-19  James E Wilson  <wilson@specifix.com>

	* builtins.c (expand_builtin_return_addr): Set
	current_function_accesses_prior_frames when count != 0.  Use
	frame_pointer_rtx when count == 0.
	* function.h (struct function): Add accesses_prior_frames field.
	(current_function_accesses_prior_frames): Define.
	* reload1.c (init_elim_table): Check
	current_function_accesses_prior_frames.
	* doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

	* tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
	indicator.  Return true if the flowgraph changed during
	cleanup.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

	PR 23476
	* tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
	conditional expression before testing its value.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

	* doc/invoke.texi: Fix documentation for -ftree-dominator-opts.

2005-08-19  Devang Patel  <dpatel@apple.com>

	PR tree-optimization/23048
	* tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
	third parameter. Check whether latch is dominated by exit
	block or not.
	(if_convertible_loop_p): Supply exit block itself to
	if_convertible_bb_p.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

	PR target/23473
	* arm.md (arm_load_pic_register): Change argument to the mask of
	saved registers.  Call thumb_find_work_register if we need a
	scratch register on Thumb.
	(arm_expand_prologue): Pass empty register set to
	arm_load_pic_register.
	(thumb_expand_prologue): Pass live_regs_mask directly to
	arm_load_pic_register.
	* arm-protos.h (arm_load_pic_register): Update prototype.

2005-08-19  J"orn Rennecke <joern.rennecke@st.com>

	* sh.c (find_sole_member): New function.
	(sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
	if the record's alignment is larger than the size of its only member.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

	PR target/23436
	* arm.c (thumb_legitimize_reload_address): New function.
	* arm-protos.h (thumb_legitimize_reload_address): Add prototype.
	* arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.

2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>

	* config/crx/crx.c: Implement crx_decompose_address. Reject
	symbolic displacements since CRX register relative adressing
	mode can't handle unsigned 32-bit values as displacements.
	* config/crx/crx.h: Simplify definitions, remove redundant
	parenthesis and obsolete macros.
	* config/crx/crx.opt: Add new switch for debugging addresses.
	* config/crx/crx-protos.h: Add new declarations for above.

2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/20624
	* gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
	looking past it.

2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* collect2.c (dup2): Delete.
	* configure.ac: Don't check for dup2.

	* config.in, configure: Regenerate.

2005-08-18  J"orn Rennecke <joern.rennecke@st.com>

	* sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
	record with the type of its only member.

2005-08-18  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
	define_insn_and_split.
	(plus_ltu<mode>_compare): Same.
	(gtu<mode>_compare): Same.
	(plus_gtu<mode>_compare): Same.

2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>

	PR tree-optimization/22228
	* tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
	todo_flags_start.
	* tree-vect-transform.c (vect_transform_loop): Mark the variables that
	are recorded in vect_vnames_to_rename for renaming.
	* tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
	(slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
	in vect_vnames_to_rename.
	(vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
	* tree-vectorizer.h (vect_vnames_to_rename): New extern variable.

2005-08-18  Jan Hubicka  <jh@suse.cz>

	PR c++/22034
	* cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
	info only for local statics, not for member variables.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* c-typeck.c (designator_errorneous): Rename to designator_erroneous.

2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/16045
	* builtins.c (fold_builtin): Create a new NOP_EXPR all the time.

2005-08-17  James E Wilson  <wilson@specifix.com>

	* c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
	array size check.

2005-08-17  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
	(leu<mode>_compare): Same.
	(plus_leu<mode>): Same.
	(neg_leu<mode>): Same.
	(and_neg_leu<mode): Same.
	(ltu<mode>_compare): Same.
	(plus_ltu<mode>): Same.
	(geu<mode>): Same.
	(geu<mode>_compare): Same.
	(plus_geu<mode>): Same.
	(neg_geu<mode>): Same.
	(and_neg_geu<mode>): Same.
	(plus_gt<mode>): Same.
	(gtu<mode>_compare): Same.
	(plus_gtu<mode>): Same.

2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>

	* config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
	Move call_table_data to end.  Delete spurious .text.
	(callt_save_all_interrupt): Fix comment typo.

2005-08-17  James E Wilson  <wilson@specifix.com>
	    Kevin Winchester  <winchester@amirix.com>

	PR target/21684
	* config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.

2005-08-17  Uros Bizjak  <uros@kss-loka.si>

	PR target/23268
	* config/i386/i386.md ("*fist<mode>2_1"): New pattern.
	("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.

2005-08-17  J"orn Rennecke <joern.rennecke@st.com>

	* sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
	record with the type of its only member if the modes don't match.

	* varasm.c (decode_reg_name): Skip empty additional register names.

2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>

	* tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
	lsm_tmp_name_length): New.
	(lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
	(schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".

2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
	    Andreas Krebbel  <krebbel1@de.ibm.com>

	* config.gcc: Added z9-109 switch.
	* config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
	"x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
	"x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
	"x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
	"x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
	for "z9_109" cpu attribute.
	* config/s390/s390.c (z9_109_cost): New processor cost structure.
	(CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
	(s390_handle_arch_option): Added z9-109 switch.
	(override_options): Set respective cost function for z9-109.
	(s390_const_ok_for_constraint_p): New constraints Os, Op, On.
	(legitimate_reload_constant_p): Accept extended immediates.
	(print_operand): Three new output modifiers added: k, m and o.
	(s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
	(s390_output_mi_thunk): Use extended immediate when possible.
	* config/s390/s390.h (processor_flags): Added PF_EXTIMM.
	(TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
	(CONSTRAINT_LEN): Added length of O constraint.
	(CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
	* config/s390/s390.md ("cpu"): New value z9_109 added.
	("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
	"*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
	"*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
	"*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
	"*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
	("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
	"*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
	"*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
	("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
	"*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
	"*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
	"*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
	"*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
	"*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
	"*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
	immediates.
	("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
	"zero_extend<mode>si2"): Allow memory operands and don't manually emit
	insns for TARGET_EXTIMM.

2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>

	* testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.

2005-08-17  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16.c (xstormy16_encode_section_info):
	Call default_encode_section_info.

2005-08-17  Steven Bosscher  <stevenb@suse.de>

	PR tree-optimization/21574
	* tree-ssa-ccp.c (likely_value): If the right hand side is a
	constant, return CONSTANT.
	(ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
	(ccp_fold, visit_assignment): Likewise.
	(evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

	* c-typeck.c (build_function_call): Call fold_buildN_initializer or
	fold_buildN instead of buildN then fold_initializer or fold.
	(build_unary_op): Likewise.
	(build_binary_op): Likewise.
	* fold-const.c (fold_initializer): Remove.
	(fold_build1_initializer): New function.
	(fold_build2_initializer): New function.
	(fold_build3_initializer): New function.
	* tree.h (fold_initializer): Remove.
	(fold_build1_initializer): New function.
	(fold_build2_initializer): New function.
	(fold_build3_initializer): New function.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

	* fold-const.c (optimize_bit_field_compare): Remove extra fold call.
	(try_move_mult_to_index): Call fold_build2 instead of build2.
	(fold_binary): Don't call fold after calls to try_move_mult_to_index.
	* tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
	fold_binary_to_constant.
	(infer_loop_bounds_from_undefined): Call fold_build2 instead of
	fold (build.
	* tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
	check if A == gcd (A, B).  Remove TYPE argument.
	(analyze_offset) Use fold_build2 instead of fold (build.
	(create_data_ref): Likewise.
	(analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
	* tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
	then fold.

2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

	* config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
	ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.

2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/23402
	* gimplify.c (zero_sized_type): New function.
	(gimplify_modify_expr_rhs): If we have a zero sized type,
	replace the statement with an empty statement.

2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/crtfastmath.c (set_fast_math): Add "=m" for
	fxsave.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

	* doc/tm.texi (Label Output): Correct typo.

2005-08-16  Steven Bosscher  <stevenb@suse.de>

	PR target/23376
	* loop-unroll.c (analyze_insn_to_expand_var): Make sure that
	force_operand will work later on using have_insn_for.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* fold-const.c (tree_expr_nonnegative_p): Regroup cases.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

	PR c++/23337
	* gimplify.c (gimplify_init_ctor_eval): If we see an element of
	vector type, don't try to construct it element by element.  Add an
	assertion that we use a FIELD_DECL when building a COMPONENT_REF.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.

2005-08-16  Geoffrey Keating  <geoffk@apple.com>

	* doc/invoke.texi (Precompiled Headers): Document some more options
	which are known to be safe.

2005-08-16  James E Wilson  <wilson@specifix.com>

	PR tree-optimization/21105
	* c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
	TREE_OVERFLOW check.

2005-08-16  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
	(neg_ltu<mode>): Same.
	(gtu<mode>): Same.
	(neg_gtu<mode>): Same.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
	(fold_builtin_isdigit): Use fold_buildN.
	(build_function_call_expr): Likewise.
	* c-typeck.c (c_finish_loop): Likewise.

2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
	    Richard Shann <rshann@superh.com>

	PR middle-end/20396:
	* optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.

2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>

	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.

2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>

	PR target/23355
	* arm.c (thumb_compute_save_reg_mask): Use similar logic to
	arm_compure_save_reg0_reg12_mask to determine when the PIC register
	must be saved.

2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/23369
	* fold-const.c (build_range_check): Disable optimization for function
	pointer expressions on targets that require function pointer
	canonicalization.

2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>

	* simplify-rtx.c (simplify_const_relational_operation): When
	extracting arguments of a COMPARE, recompute the mode as well.

2005-08-15  Ian Lance Taylor  <ian@airs.com>

	* tree.c (build_string): Mark tree CONSTANT and INVARIANT.

2005-08-15  DJ Delorie  <dj@redhat.com>

	* config/m32c/mov.md (movqi_op): Immediates can't be moved to
	the stack.
	(movsi_splittable): Allow, but split, moves to the stack.
	* config/m32c/m32c.c (m32c_split_move): Always split moves to the
	stack.

2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
	* configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
	* system.h (HOST_PTR_PRINTF): Don't define, poison it.

	* bitmap.c, c-decl.c, config/i386/i386-interix.h,
	config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
	Delete HOST_PTR_PRINTF.

	* configure, config.in: Regenerate.

2005-08-15  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (QHSI): New mode macro.
	(wd): Extend mode attr for QImode and HImode
	(dbits): New mode attr.
	(zero_extend<mode>di2): Convert to mode macro.

2005-08-15  Steve Ellcey  <sje@cup.hp.com>

	PR target/21841
	* doc/invoke.texi (-mgnu-ld): Update description.
	(-mhp-ld): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

	PR 23391
	* Makefile.in (tree-chrec.o): Depends on real.h.
	* tree-chrec.c: Include real.h.
	(chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
	chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
	* tree-scalar-evolution.c (add_to_evolution_1,
	interpret_rhs_modify_expr): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

	PR 23386
	* tree-data-ref.c (estimate_niter_from_size_of_data): When
	step is negative compute the estimation from init downwards to zero.

2005-08-14  James A. Morrison  <phython@gcc.gnu.org>

	* fold-const (fold_binary): Call fold_build2 instead of fold (build.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
	constraint.
	(legitimate_reload_constant_p): Fix handling of lliXX operands.
	Accept double-word constants that can be split.
	* config/s390/s390.md ("movti"): Use 'P' constraint.
	("*movdi_31", "*movdf_31"): Likewise.

2005-08-14  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/22615

	* tree-ssa-structalias.c (solution_set_add): Handle
	first_vi_for_offset returning NULL.
	(do_da_constraint): Ditto.
	(do_sd_constraint): Ditto.
	(do_ds_constraint): Ditto
	(find_func_aliases): Ditto.
	(build_constraint_graph): RHS is allowed be ANYTHING.
	(first_vi_for_offset): Return NULL if we couldn't find anything at
	the offset.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_canonicalize_comparison): Prefer register
	over memory as first operand.

2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/23360
	* config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
	available for setting it.

2005-08-14  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/23320
	* tree-data-ref.c (base_addr_differ_p): Add comment. Check
	data-refs' types instead of base object nullness. Add check for
	pointer type data-refs before first location comparison. Remove
	assert.

2005-08-14  Andreas Schwab  <schwab@suse.de>

	* doc/md.texi (Machine Constraints): Fix misplaced @end table.

2005-08-13  James E Wilson  <wilson@specifix.com>

	* doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
	* doc/invoke.texi (-Wstack-protector, -fstack-protector,
	-fstack-protector-all, --param ssp-buffer-size): Document.
	(-Wvariadic-macros): Alphabetize.
	(-fsched-stalled-insns-dep): Add missing 'f'.

	* c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
	macros.

2005-08-13  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
	or indirect address operand.
	(EXTRA_ADDRESS_CONSTRAINT): New.
	* config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".

2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>

	PR tree-optimization/22236
	* tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
	successors and predecessors.
	* tree-chrec.c (chrec_convert): Before converting, check that
	sequences don't wrap.
	* tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
	(analyze_array): Extern.
	(find_data_references_in_loop): Remove call to
	compute_estimated_nb_iterations.
	* tree-data-ref.h (analyze_array): Declared.
	* tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
	single_ssa_def_operand, zero_ssa_operands): Fix documentation.
	* tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
	* tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
	condition.
	* tree-ssa-loop-ivcanon.c: Fix documentation.
	* tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
	* tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
	(infer_loop_bounds_from_undefined): New.
	(estimate_numbers_of_iterations_loop): Use
	infer_loop_bounds_from_undefined.
	(used_in_pointer_arithmetic_p): New.
	(scev_probably_wraps_p): Pass an extra parameter.  Call
	used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
	(convert_step): Fix documentation.
	* tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
	Use initial_condition_in_loop_num and evolution_part_in_loop_num
	instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
	scev_probably_wraps_p.

2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
	(s390_register_info): Ignore clobbered_regs information for fixed
	registers, and only fixed registers.
	(s390_init_frame_layout): Remove redundant call.

2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
	description of -Wold-style-casts.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
	* config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
	* config/s390/s390.c (print_operand): New output modifier 'G' added.
	(get_thread_pointer): Renamed to s390_get_thread_pointer.
	* config/s390/s390.md (stack_protect_set, stack_protect_test): If
	TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
	(MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
	(UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
	("stack_protect_set", "stack_protect_test"): New expanders.
	("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
	"stack_protect_testdi"): New insn definitions.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.

2005-08-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/predicates.md (setmem_operand): New predicate.
	(shift_count_operand): Accept ANDs with special constants as
	operand.
	* config/s390/s390.c (print_shift_count_operand): Skip ANDs
	with special constants.
	* config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
	shift_count_operand with setmem_operand.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_extract_part, s390_single_part):
	Type cast added.
	(s390_const_ok_for_constraint_p): Added SImode to the N constraint.
	(s390_output_mi_thunk): Don't use lg on 31 bit.
	* config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
	("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
	(s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
	s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
	s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
	with one of the new macros.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
	Don't set save_return_addr_p.
	(s390_register_info): Make clobbered_regs not depending on
	save_return_addr_p.

2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	* gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
	(LINK_COMMAND_SPEC): Add space after %(link_ssp).

2005-08-11  James E. Wilson  <wilson@specifix.com>

	* config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.

2005-08-11  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (add_location_or_const_value_attribute): Prefer
	locations gathered by var-tracking in single entry loc_list
	over loc_descriptor_from_tree.

	* dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
	pass it down to loc_descriptor.
	(loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
	(containing_function_has_frame_base): Move earlier in the file.
	(loc_descriptor_from_tree_1): Use containing_function_has_frame_base
	instead of always assuming fbreg can't be used.

2005-08-11  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/altivec.md: Change constraint "m" to "Z".
	* config/rs6000/predicates.md (indexed_or_indirect_operand):
	Accept address wrapped in AND for Altivec.
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
	Strip AND wrapping offset address for Altivec.

2005-08-11  Richard Henderson  <rth@redhat.com>

	PR middle-end/23312
	* gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
	before using TYPE_IS_SIZETYPE.

2005-08-11  Richard Henderson  <rth@redhat.com>

	PR target/22225
	* config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
	insn types not present on ev4.
	(alphaev5_insn_pipe): Similarly.

2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>

	PR target/23250
	* arm.c (arm_override_options): If the user has selected callee-super-
	interworking, then enable normal interworking.

2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
	redefinition.

2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>

	* doc/rtl.texi: Fix two typos.

2005-08-11  Richard Guenther  <rguenther@suse.de>

	PR target/23289
	* config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
	cases where we call to/from functions returning void.

2005-08-10  James A. Morrison  <phython@gcc.gnu.org>

	PR c++/23225
	* tree.c (build_pointer_type_for_mode): Robustify.

2005-08-10  James E Wilson  <wilson@specifix.com>

	* defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
	(ASM_OUTPUT_ADDR_VEC_ELT): Delete.

	* config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
	"cum->".

2005-08-10  Eric Christopher  <echristo@apple.com>

	* config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
	* config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
	V2DFmode.

2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>

	PR target/21887
	* config/darwin.c (machopic_indirect_data_reference): Use a new register
	for the high part when generating dynamic-no-pic code.

2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
	(x86_64-*-linux*): Likewise.

	* config/i386/crtfastmath.c: New file.
	* config/i386/t-crtfm: Likewise.

	* config/i386/linux.h (ENDFILE_SPEC): New.
	* config/i386/linux64.h (ENDFILE_SPEC): Likewise.

	* config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
	crtfastmath.o.

2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>

	* doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
	(vec_shl, vec_shr): Document new operations.
	* tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.

2005-08-10  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/predicates.md (indexed_or_indirect_address): New.
	* config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
	change predicate to indexed_or_indirect_address.

2005-08-10  Richard Sandiford  <richard@codesourcery.com>

	* config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
	* config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
	__aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
	and __aeabi_uwrite8.
	* config/arm/unaligned-funcs.c: New file.
	* config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.

2005-08-09  Paolo Bonzini  <bonzini@gnu.org>

	* bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
	Add dump.
	* cfglayout.c (pass_insn_locators_initialize): Add dump.
	* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
	Add dump.
	* except.c (pass_convert_to_eh_region_ranges): Add dump.
	* final.c (pass_shorten_branches): Add dump.
	* flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
	(pass_life): Rename dump.
	(rest_of_handle_flow2): Remove initial verify_flow_info.
	* function.c (pass_instantiate_virtual_regs): Add dump.
	* integrate.c (pass_initial_value_sets): Add dump.
	* jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
	* loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
	(pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
	pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
	(gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
	gate_rtl_unrool_and_peel_loops): New.
	(rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
	rtl_doloop): Do not look at flags.
	* mode-switching.c (pass_mode_switching): Add dump.
	* recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
	pass_split_before_regstack): Add dump.
	* regmove.c (pass_stack_adjustments): Add dump.
	* tree-optimize.c (pass_fixup_cfg): Add dump.

2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

	PR 23309
	* config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
	deciding which instruction sequence to use.

2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>

	* tree-vect-transform.c (vect_create_epilog_for_reduction): Set
	BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.

2005-08-09  Richard Guenther  <rguenther@suse.de>

	* c-common.c (builtin_function_2): Remove.
	(def_builtin_1): New function.
	(c_common_nodes_and_builtins): Use def_builtin_1 to
	build builtin functions.

2005-08-09  Jie Zhang  <jie.zhang@analog.com>

	* config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
	* config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
	* config/bfin/bfin.c (bfin_return_in_memory): Update to really match
	Visual DSP.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

	* tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
	fold_binary instead of fold_build2 since we don't care about the
	resulting tree.
	(loop_niter_by_eval): Likewise.
	(compare_trees): Likewise.
	(proved_non_wrapping_p): Likewise.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

	PR c/23161
	PR c/23165
	* c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
	if the if is really empty.

2005-08-09  Steven Bosscher  <stevenb@suse.de>

	PR tree-optimization/23234
	* tree-ssa-math-opts.c (place_reciprocal): New enum.
	(execute_cse_reciprocals_1): Replace the 'phi' argument with an
	argument of the new enum.
	(execute_cse_reciprocals): Add reciprocals for function arguments
	on the unique successor edge of the entry block.  Update other calls
	to execute_cse_reciprocals_1.

2005-08-08  Richard Henderson  <rth@redhat.com>

	PR 22439
	* gimplify.c (gimplify_one_sizepos): Preserve the original type.

2005-08-08  Bob Wilson  <bob.wilson@acm.org>

	* expr.c (write_complex_part): Return after handling MEM.

2005-08-08  Josh Conner  <jconner@apple.com>

	PR rtl-optimization/23241
	* combine.c (simplify_comparison): Fix error in determining
	whether to lift a subreg from comparison.

2005-08-08  David Edelsohn  <edelsohn@gnu.org>

	PR target/18506
	* config/rs6000/altivec.md (vec_init<mode>): New.
	(vec_set<mode>): New.
	(vec_extract<mode>): New.
	* config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
	(rs6000_expand_vector_set): New.
	(rs6000_expand_vector_extract): New.
	(rs6000_legitimate_offset_address_p): Offset addresses are valid
	for Altivec modes before reload.
	(altivec_expand_vec_init_builtin): New.
	(get_element_number): New.
	(altivec_expand_vec_set_builtin): New.
	(altivec_expand_vec_ext_builtin): New.
	(altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
	builtins.
	(altivec_init_builtins): Init vec_init, vec_set, and vec_ext
	builtins.
	* config/rs6000/rs6000.h (rs6000_builtins): Add
	ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
	ALTIVEC_BUILTIN_VEC_EXT_<mode>.
	* config/rs6000/rs6000-protos.h: Declare new functions.

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

	* i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
	(legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
	* i386.md (movdi*): Use pic_32bit_operand.
	* predicates.md (pic_32bit_operand): New.

2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>

	PR c++/21166
	* stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.

2005-08-07  James A. Morrison  <phython@gcc.gnu.org>

	* tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
	(test_for_singularity): Use fold_build2.

2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.

2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
	(COMMON_ASM_OP) Define.
	* config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
	(ix86_encode_section_info): Likewise.
	(TARGET_ENCODE_SECTION_INFO): Conditionally define as
	SUBTARGET_ENCODE_SECTION_INFO.

2005-08-06  Richard Henderson  <rth@redhat.com>

	PR 21894
	* tree-nested.c (convert_local_reference): Save and restore val_only
	around component_ref and friends.  Clear walk_subtrees by default.

2005-08-06  Peter O'Gorman  <peter@pogma.com>

	PR 21366
	* gcc.c (process_command): Check the argument to -b has a dash.
	* doc/invoke.texi: Update -b and -V docs.

2005-08-06  James E Wilson  <wilson@specifix.com>

	* config/mips/cross64.h, config/mips/t-cross64: Delete.

2005-08-06  Michael Matz  <matz@suse.de>

	* genattrtab.c (write_attr_get, write_attr_case): Use insn_code
	member only if only one insn is associated with the value.

2005-08-06  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
	New define.
	(ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
	* config/stormy16/stormy16.c (xstormy16_below100_symbol):
	Check symbol flags instead of symbol name mangling.
	(xstormy16_asm_output_aligned_common): Likewise.  Also
	simplify code since the bss100_section cass is the only case
	where the below100 code will be triggered.
	(xstormy16_encode_section_info): Encode below100 attribute
	using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
	the name.
	(xstormy16_strip_name_encoding): Delete - this function is no
	longer needed.
	(TARGET_STRIP_NAME_ENCODING): Undefine.
	* config/stormy16/stormy16-protos.h: Delete prototype for
	xstormy16_strip_name_encoding.

2005-08-06  Kazu Hirata  <kazu@codesourcery.com>

	* Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
	config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
	tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
	config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
	config/alpha/predicates.md, config/arc/arc.h,
	config/arm/arm.h, config/arm/ieee754-df.S,
	config/arm/ieee754-sf.S, config/bfin/bfin.c,
	config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
	config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
	config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
	config/m68hc11/m68hc11.h, config/mips/mips.c,
	config/mips/mips.h, config/mips/openbsd.h,
	config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
	config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
	config/rs6000/rs6000.c, config/rs6000/rs6000.h,
	config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
	config/sparc/linux.h, config/sparc/linux64.h,
	config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
	doc/extend.texi, doc/gcov.texi, doc/install.texi,
	doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
	typos.  Follow spelling conventions.

2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/23113
	* stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
	Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
	specially.  Check for side effects only for COND_EXPR.
	* c-typeck.c (c_finish_stmt_expr): Mark statement expression
	return with TREE_NO_WARNING.

2005-08-06  Richard Sandiford  <richard@codesourcery.com>

	PR rtl-optimization/23233
	* loop.c (combine_movables): Require the modes to be the same.
	(move_movables): Remove handling of cases where the replacement
	had a different mode to the original.

2005-08-05  James A. Morrison  <phython@gcc.gnu.org>

	PR tree-optimization/23128
	* tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
	subtraction wrap, and set TREE_OVERFLOW if they do.

2005-08-05  Richard Henderson  <rth@redhat.com>

	PR 21728
	* tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
	FORCED_LABEL labels.

2005-08-05  J"orn Rennecke <joern.rennecke@st.com>

	PR middle-end/23135
	* reload.c (find_reloads_subreg_address): Pass down TYPE
	unchanged.  Change all callers except find_reloads_toplev.

2005-08-05  Michael Matz  <matz@suse.de>

	* genattrtab.c (current_alternative_string): Remove.
	(SIMPLIFY_ALTERNATIVE): Ditto.
	(attr_alt_bit_p): Ditto.
	(alternative_name): Make const char *.
	(evaluate_eq_attr): Remove use of above things.
	(simplify_test_exp): Ditto.
	(simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
	(simplify_test_exp <AND>): Correct typo (test 'right' not 'left').

2005-08-04  James E Wilson  <wilson@specifix.com>

	* config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
	config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
	config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
	config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
	(LINK_SPEC): Delete useless %{Wl,*:%*} item.

2005-08-04  Richard Henderson  <rth@redhat.com>

	PR 21529
	* params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
	* params.h (SRA_MAX_STRUCTURE_COUNT): New.
	* tree-sra.c (decide_block_copy): Use it.  Disable element copy
	if we'd have to instantiate too many members.

2005-08-04  Richard Henderson  <rth@redhat.com>

	PR 21291
	* tree-outof-ssa.c (coalesce_asm_operands): New.
	(coalesce_ssa_name): Use it.  Split out ...
	(coalesce_phi_operands, coalesce_result_decls): ... these.

2005-08-04  Paul Brook  <paul@codesourcery.com>

	* read-rtl.c (read_quoted_string): Break if EOF.

2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree.h (fold_build1): Change to macro and call fold_build1_stat.
	(fold_build2): Likewise.
	(fold_build3): Likewise.
	(fold_build1_stat): New function prototype.
	(fold_build2_stat): Likewise.
	(fold_build3_stat): Likewise.
	* fold-const.c (fold_build1): Rename to ..
	(fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
	through to build1_stat.
	(fold_build2): Rename to ..
	(fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
	through to build2_stat.
	(fold_build3): Rename to ..
	(fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
	through to build3_stat.

2005-08-04  David Edelsohn  <edelsohn@gnu.org>
	    Ian Lance Taylor  <ian@airs.com>

	* function.c (assign_stack_local_1): Do not correct stack slot
	address if allocation size is smaller than mode size.

2005-08-04  Diego Novillo  <dnovillo@redhat.com>

	PR 22037
	* tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
	(tree_merge_blocks): Propagate anything allowed by
	may_propagate_copy.
	Clarify documentation.
	* passes.c (execute_todo): If cleanup_tree_cfg invalidated the
	SSA form, schedule an update if necessary.

2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Binaries): Remove broken link to
	Sinix/Reliant Unix binaries.

2005-08-03  Richard Henderson  <rth@redhat.com>

	PR 23221
	* function.c (stack_protect_epilogue): Export.
	* tree.h (stack_protect_epilogue): Declare.
	* calls.c (expand_call): Call it.

2005-08-03  Eric Christopher  <echristo@apple.com>

	* gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
	* config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
	spec.

2005-08-04  Jan Hubicka  <jh@suse.cz>

	* profile.c (branch_prob): Split edges with goto locus on them
	to get proper line counts.
	* tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.

2005-08-03  Paul Brook  <paul@codesourcery.com>

	* function.c (assign_parms): Round current_function_args_size
	to PARM_BOUNDARY, not STACK_BOUNDARY.

2005-08-03  Geoffrey Keating  <geoffk@apple.com>

	* config/i386/i386.c (x86_elf_aligned_common)
	(x86_output_aligned_bss): Don't try to use symbols that aren't defined.

2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/23157
	* tree-scalar-evolution.c (scev_const_prop): Unshare trees
	before emitting them.

2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	PR tree-optimization/19899
	* Makefile.in (tree-scalar-evolution.o): Add real.h.
	* tree-scalar-evolution.c: Include real.h.
	(add_to_evolution): Build constant -1 of correct type.

2005-08-03  Jan Hubicka  <jh@suse.cz>

	* cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
	* cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
	profile updating for complette unrolling.
	* loop-unroll.c (peel_loop_completely): Use it.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
	(tree_unroll_loops_completely): Disable code growing unrolling of cold
	loops.

2005-08-03  Paul Brook  <paul@codesourcery.com>

	* combine.c (can_change_dest_mode): New function.
	(try_combine, simplify_set): Use it.

2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>

	* config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
	TFmode to BLKmode.

2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific): Adjust link to openavr.org.
	(Specific): Remove broken reference to GCC 2.8.1 for OS/2.
	(Binaries): Adjust HP-UX Porting Center link.
	(Binaries): Adjust Free Software Foundation ordering link.

2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>

	* convert.c (convert_to_integer): Use fold_build1 instead of
	build1 when converting an integer to an integer.

2005-08-02  Richard Henderson  <rth@redhat.com>

	* combine.c (combine_instructions): Don't use reg_equal/equiv
	results if the mode doesn't match.

2005-08-02  Mark Mitchell  <mark@codesourcery.com>

	* config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
	* doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.

2005-08-02  Richard Henderson  <rth@redhat.com>

	PR 23196
	* explow.c (memory_address): Remove special-case for
	virtual_stack_vars_rtx and virtual_incoming_args_rtx.

2005-08-02  Diego Novillo  <dnovillo@redhat.com>

	PR 23164
	* tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
	number of calls to cleanup_tree_cfg_1.

2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>

	* doc/invoke.texi: document file extensions .F90 and .F95

2005-08-02  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
	positive if its first argument is positive.

2005-08-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/23177
	* tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
	on TMR_TAG.

2005-08-02  James A. Morrison  <phython@gcc.gnu.org>

	PR tree-optimization/23129
	* tree-vrp.c (extract_range_from_binary_expr): Set value range to
	varying for divisions with anti-ranges.

2005-08-02  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-dom.c (thread_across_edge): Remove updating here.
	* tree-ssa-threadupdate.c (thread_block): Add it here.

2005-08-01  James E Wilson  <wilson@specifix.com>

	* config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
	TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
	* config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
	New.
	* config/mips/predicates.md (const_call_insn_operand): Add check for
	SYMBOL_REF_LONG_CALL_P.
	* doc/extend.texi (long_call): Document the new attribute.

2005-08-01  Ian Lance Taylor  <ian@airs.com>
	    Richard Henderson  <rth@redhat.com>

	* Makefile.in (RTL_BASE_H): Add real.h.
	* real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
	instead of memcpy.
	* emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
	directly.
	* rtl.c (rtl_check_failed_code_mode): New.
	* rtl.h (struct rtx_def): Add u.rv.
	(XCMWINT, XCNMPRV): New.
	(CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
	(CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.

2005-08-01  Richard Henderson  <rth@redhat.com>

	* dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
	with auto-inc codes.

	* config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.

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.