re PR middle-end/17885 (gimplifing of volatile &a->)

[gcc.git] / gcc / ChangeLog

2004-10-19  Richard Hendeson  <rth@redhat.com>

	PR middle-end/17885
	* tree.c (recompute_tree_invarant_for_addr_expr): Always poll address
	of INDIRECT_REF.

2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (thread_jumps): Use a do-while loop instead of a
	loop with goto.

2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>

	* expr.c (expand_assignment): Remove the last argument.
	Change the return type to void.
	* expr.h: Update the prototype of expand_assignment.
	* function.c (assign_parm_setup_reg): Update a call to
	expand_assignment.
	* stmt.c (expand_asm_expr): Likewise.

2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>

	* expr.c (expand_expr_real_1) <MODIFY_EXPR>: Remove
	unnecessary assignments to temp.  Return const0_rtx.

2004-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh5_schedule_saves): Fix typo.

2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>

	* configure.ac (powerpc-*-darwin*): Require assembler to support
	.machine directive.
	* configure: Regenerate.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

	* reload1.c (ior_hard_reg_set): Remove.
	(finish_spills): Use IOR_HARD_REG_SET instead of
	ior_hard_reg_set.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

	* sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Speed up by shifting
	the currently visited word to right.

2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR middle-end/18045
	* expmed.c (expand_smod_pow2): Handle modes whose size
	is greater than that of HOST_WIDE_INT.

2004-10-18  Ziemowit Laski  <zlaski@apple.com>

	* c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.

2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Roger Sayle  <roger@eyesopen.com>

	PR middle-end/17813
	* dojump.c (discard_pending_stack_adjust): New function.
	(clear_pending_stack_adjust): Call it.
	* expr.h (discard_pending_stack_adjust): Declare it.
	* explow.c (emit_stack_save): Emit pending stack adjustments
	before saving the stack pointer.
	(emit_stack_restore): Discard pending stack adjustments before
	restoring the stack pointer.

2004-10-18  Richard Henderson  <rth@redhat.com>

	* c-common.c (handle_mode_attribute): Allow scalar->vector 
	type changes yet.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

	* expr.c (expand_expr_real_1) [MODIFY_EXPR]: Don't request a
	value to expand_assignment.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (cleanup_tree_cfg): Don't iterate on
	thread_jumps.
	(thread_jumps): Iterate until no new forwarder block arises.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (tree_forwarder_block_p): Don't set forwardable.
	(thread_jumps): Use forwardable as cache of
	tree_forwarder_block_p throughout the function.

2004-10-18  Andreas Krebbel  <krebbel1@de.ibm.com>

	* cfg.c (dump_flow_info): Remove redundant dump of reg life info.

2004-10-18  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/15014
	PR middle-end/16973
	* tree-cfg.c (remove_bb): If we have a label expression in the
	basic block and the label we have taken the address, move the
	label expression to the basic block which is previous in the
	linked list.
	(tree_verify_flow_info): Fix printing out the label name of the
	problematic label expression.

2004-10-18  Pat Haugen  <pthaugen@us.ibm.com>

	PR rtl-optimization/18002
	* simplify-rtx.c (mode_signbit_p): Externalize function...
	* rtl.h (mode_signbit_p): ... to here.
	* combine.c (simplify_shift_const): Recognize PLUS signbit as
	canonical form of XOR signbit and move to outer op.

2004-10-18  Diego Novillo  <dnovillo@redhat.com>

	* tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
	Update all callers.
	* tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
	Don't call fold_stmt more than once, use bsi_replace.

2004-10-18  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/17656
	* tree-ssa.c (replace_immediate_uses): When replacing a
	constant, if the call to fold_stmt produced a different
	statement, get an appropriate statement pointer by scanning
	STMT's basic block.

2004-10-18  Richard Henderson  <rth@redhat.com>

	* pointer-set.c (hash1): Don't use libm functions in fallback case.

2004-10-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/17684
	* Makefile.in (clean): Remove libgcc_s$(SHLIB_EXT).1.stage?.
	(stage1-start): Remove and copy libunwind.a and
	libunwind*$(SHLIB_EXT) instead of libunwind*.
	(stage2-start): Likewise.
	(stage3-start): Likewise.
	(stage4-start): Likewise.
	(stageprofile-start): Likewise.
	(stagefeedback-start): Likewise.

	* config/alpha/t-osf4 (SHLIB_LINK): Use a temporary file for
	the shared library to be created and don't remove the existing
	shared library.
	* config/arm/t-netbsd (SHLIB_LINK): Likewise.
	* config/i386/t-nwld (SHLIB_LINK): Likewise.
	* config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
	* config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
	* config/sh/t-linux (SHLIB_LINK): Likewise.
	* config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
	* config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
	* config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
	* config/t-slibgcc-sld (SHLIB_LINK): Likewise.

	* mklibgcc.in (libgcc-stage-start): Also move "*${objext}s"
	files.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

	* basic-block.h (reg_set_iterator): New.
	(EXECUTE_IF_SET_IN_REG_SET): Make it iterator style.
	(EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
	(EXECUTE_IF_AND_IN_REG_SET): Likewise.
	* caller-save.c (save_call_clobbered_regs): Adjust to the new
	style.
	* cfgcleanup.c (thread_jump): Likewise.
	* cfgrtl.c (safe_insert_insn_on_edge): Likewise.
	* conflict.c (conflict_graph_compute): Likewise.
	* flow.c (verify_local_live_at_start, update_life_info,
	initialize_uninitialized_subregs, propagate_one_insn,
	init_propagate_block_info, free_propagate_block_info,
	propagate_block, dump_regset): Likewise.
	* global.c (global_conflicts): Likewise.
	* graph.c (start_bb): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop.c (load_mems): Likewise.
	* reload1.c (compute_use_by_pseudos, order_regs_for_reload,
	find_reg, finish_spills): Likewise.
	* resource.c (mark_target_live_regs): Likewise.
	* sched-deps.c (sched_analyze_insn): Likewise.
	* sched-rgn.c (sched-rgn.c): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.

2004-10-18  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (addqi_1_slp): Test for incdec_operand
	operand 1 instead of 2

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

	* loop-unroll.c: Fix comment typos.

2004-10-18  Revital Eres  <eres@il.ibm.com>

	* Makefile.in (loop-unroll.o): Add VARRAY_H dependency.
	* loop-unroll.c: Include varray.h.
	(struct var_to_expand, struct opt_info): Rename split_ivs_info to
	opt_info and expand it to support variable expansion.
	(analyze_insns_in_loop): Rename analyze_ivs_to_split and
	expand it to support variable expansion.
	(pt_info_start_duplication): Rename si_info_start_duplication.
	(apply_opt_in_copies): Rename split_ivs_in_copies and add support
	to the variable expansion optimization.
	(free_opt_info): Rename free_si_info.
	(analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
	expand_var_during_unrolling, insert_var_expansion_initialization,
	combine_var_copies_in_loop_exit, release_var_copies,
	get_expansion): New functions.
	(peel_loop_completely, unroll_loop_constant_iterations,
	unroll_loop_runtime_iterations, peel_loop_simple,
	unroll_loop_stupid): Change uses of struct si_info
	to struct opt_info
	and add uses of fvariable-expansion-in-unroller flag.
	* params.def: Add parameter to restrict the number of expansions.
	* params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
	the number of expansions.
	* common.opt: (fvariable-expansion-in-unroller): New flag. 
	* doc/invoke.texi: (fvariable-expansion-in-unroller): Document.

2004-10-18  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
	__GXX_MERGED_TYPEINFO_NAMES to 0.

2004-10-17  Hans-Peter Nilsson  <hp@bitrange.com>

	* cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
	handle barriers in a bb by checking that it points to a NULL bb.
	* emit-rtl.c (emit_barrier_before): Set BLOCK_FOR_INSN to NULL.
	(emit_barrier_after, emit_barrier): Ditto.

2004-10-18  Joseph S. Myers  <jsm@polyomino.org.uk>

	* doc/extend.texi (Attribute Syntax): Clarify details of
	attributes on parameters.

2004-10-17  Zdenek Dvorak  <dvorakz@suse.cz>

	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of
	loop.

2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

	Revert:
	2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (default_function_array_conversion): Always create
        &a[0] for array types.
        (build_unary_op): Do not fold &a[x] into a + x.

2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/17925
	* cfgexpand.c (expand_gimple_cond_expr): Emit line notes for next basic
	block if there is a goto with a locus.

2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>

	* config/elfos.h, config/gofast.h, config/interix.h,
	config/netbsd.h, config/svr3.h, config/vxworks.h,
	config/alpha/alpha-modes.def, config/alpha/alpha-protos.h,
	config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
	config/alpha/netbsd.h, config/arm/arm-modes.def,
	config/arm/unknown-elf.h, config/c4x/c4x-modes.def,
	config/cris/aout.h, config/frv/frv-modes.def,
	config/i386/beos-elf.h, config/i386/gas.h,
	config/i386/i386-coff.h, config/i386/i386-modes.def,
	config/i386/linux.h, config/i386/linux64.h,
	config/i386/mingw32.h, config/i386/netbsd-elf.h,
	config/i386/netbsd64.h, config/i386/sco5.h,
	config/i386/sol2.h, config/i386/uwin.h, config/i860/i860.md,
	config/ia64/ia64-modes.def, config/ia64/itanium1.md,
	config/ia64/itanium2.md, config/m68k/m68k-modes.def,
	config/mips/mips-modes.def, config/mips/sdb.h,
	config/mips/vr.h, config/mips/vxworks.h,
	config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
	config/pa/pa32-linux.h, config/rs6000/40x.md,
	config/rs6000/7450.md, config/rs6000/8540.md,
	config/rs6000/linuxspe.h, config/rs6000/power4.md,
	config/rs6000/rs6000-modes.def, config/rs6000/rtems.h,
	config/rs6000/spe.h, config/s390/2064.md, config/s390/linux.h,
	config/s390/s390-modes.def, config/sh/elf.h,
	config/sh/sh-modes.def, config/sh/sh64.h,
	config/sparc/ultra1_2.md, config/sparc/ultra3.md,
	config/stormy16/stormy16.md, config/v850/v850-protos.h,
	config/vax/vax.md: Update copyright.

2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>

	* expr.c (expand_expr_real_1): Remove an obsolete comment.

2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

	* c-typeck.c (default_function_array_conversion): Always create
	&a[0] for array types.
	(build_unary_op): Do not fold &a[x] into a + x.

2004-10-17  Jakub Jelinek  <jakub@redhat.com>

	* pointer-set.c (hash1): Use integer part of 2^64 / phi
	instead 2^32 / phi if long is 64-bit.

2004-10-17  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-common.h (enum rid): Remove RID_PTRBASE, RID_PTREXTENT and
	RID_PTRVALUE.
	* c-parse.in (PTR_VALUE, PTR_BASE, PTR_EXTENT): Remove %token
	declarations.
	(reswords): Remove __ptrbase, __ptrbase__, __ptrextent,
	__ptrextent__, __ptrvalue and __ptrvalue__.
	(rid_to_yy): Remove RID_PTRBASE, RID_PTREXTENT and RID_PTRVALUE
	entries.

2004-10-16  Dale Johannesen  <dalej@apple.com>

	* c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/17766
	* basic-block.h (enum dom_state): DOM_CONS_OK removed.
	(dom_info_available_p): Declare.
	* cfghooks.c (split_block, make_forwarder_block): Use
	dom_info_available_p.
	* dominance.c (compute_dom_fast_query, calculate_dominance_info,
	free_dominance_info, verify_dominators): Ditto.
	(dom_info_available_p): New function.
	* tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
	(thread_jumps): Use dom_info_available_p.
	* tree-complex.c (expand_complex_div_wide): Ditto.
	* tree-mudflap.c (mf_build_check_statement_for): Ditto.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

	* tree-ssa-loop-ivopts.c (struct ivopts_data): New field important_candidates.
	(find_best_candidate): Take also important candidates into account.
	(find_optimal_iv_set): Initialize important_candidates bitmap.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/17560
	* predict.c (tree_estimate_probability): Mark irreducible
	loops.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

	PR rtl-optimization/17723
	* cfgcleanup.c (merge_memattrs): Handle case when
	MEM_SIZE == NULL_RTX.

2004-10-15  Andrew Pinski  <pinskia@physics.uc.edu>

	* toplev.c (dump_file_name): Change type to be const.

2004-10-15  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-typeck.c (build_compound_expr, build_c_cast): Don't try to use
	non_lvalue to stop something being a null pointer constant.

2004-10-15  Aldy Hernandez  <aldyh@redhat.com>

	* config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): FPRs are only
	available for TARGET_FPRS.
	(FUNCTION_VALUE_REGNO_P): Same.

2004-10-15  Geoffrey Keating  <geoffk@apple.com>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Document
	-maltivec in same style as other ISA options.

2004-10-15  Jon Grimm <jgrimm2@us.ibm.com>

	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __powerpc__
	definition.

2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>

	* bitmap.c, bitmap.h, builtin-attrs.def, cfglayout.h,
	collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
	gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
	genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
	gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
	gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
	lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
	predict.def, predict.h, protoize.c, reload.h, resource.h,
	rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
	tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
	unwind-sjlj.c, value-prof.h: Update copyright.

2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>

	* pointer-set.c, tree-vectorizer.c: Fix comment typos.

2004-10-15  Diego Novillo  <dnovillo@redhat.com>

	* tree-optimize.c (execute_one_pass): Stop timer right after
	executing the pass.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

	Revert:
	2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
	PR middle-end/17967
	Revert:
		* tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
		(remove_useless_stmts_1):  Fold trees we know how to fold.

2004-10-14  David Edelsohn  <edelsohn@gnu.org>

	* configure.ac: Add .machine power4 directive when testing for
	mfcr field.
	* configure: Regenerate.

2004-10-14  Geoffrey Keating  <geoffk@apple.com>

	* config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Don't define.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree-vectorizer.c (vect_transform_loop): Declare vectorization_factor
	always.

2004-10-14  Daniel Jacobowitz  <dan@codesourcery.com>

	* config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Return NO_REGS
	for 'f' if !TARGET_FPRS.

2004-10-14  Richard Henderson  <rth@redhat.com>

	PR debug/14492
	* dwarf2out.c (loc_descriptor_from_tree_1): Handle FIX_*_EXPR.

2004-10-14  Richard Henderson  <rth@redhat.com>

	PR c/17023
	* c-decl.c (store_parm_decls_oldstyle): Care for parameter type
	as error_mark_node.
	* c-parse.in (compstmt_primary_start): Check cur_stmt_list non-null
	instaed of current_function_decl non-null.

2004-10-14  Matt Austern  <austern@apple.com>

	* pointer-set.c: New file, special-purpose hash table.
	* pointer-set.h: New file.
	* tree.h (struct pointer_set_t): Declare as opaque type.
	(tree_walk): Last argument is pointer_set_t* now.
	* tree-inline.c (WALK_SUBTREE): Convert from htab to pset.
	(walk_type_fields): 
	(walk_tree): Convert from htab_t to pointer_set_t for keeping
	track of which nodes have already been visited.
	(walk_tree_without_duplicates): Convert from htab_t to pointer_set_t.
	* cgraphunit.c (cgraph_create_edges): Likewise.
	(cgraph_characterize_statics_local): Likewise.
	* tree-dfa.c (collect_dfa_stats): Likewise.
	* langhooks-def.h (lhd_tree_inlining_walk_subtrees): Last arg is
	pointer_set_t* now.
	* langhooks.c (lhd_tree_inlining_walk_subtrees): Likewise.
	* langhooks.h (struct lang_hooks_for_tree_inlining): Last arg type
	of walk_subtrees is pointer_set_t* now.
	* Makefile.in (OBJS-common): add pointer-set.o
	(tree-inline.o): Depends on pointer-set.h
	(tree-dfa.o): Likewise
	(cgraphunit.o): Likewise
	
2004-10-14  Geoffrey Keating  <geoffk@apple.com>

	* config/rs6000/darwin.h (ASM_SPEC): Delete.
	(TARGET_ASM_FILE_START): Define.
	* config/darwin.h (ASM_SPEC): Define.
	* config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Don't supply
	-mlong-double-128, it's the default.  Update comment about reason
	for force_cpusubtype_ALL.
	* config/rs6000/darwin-vecsave.asm: Supply .machine.
	* config/rs6000/darwin-world.asm: Likewise.
	* config/rs6000/rs6000.c (rs6000_darwin_file_start): New.
	(symbolic_operand): Delete #if 0ed code.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

	* stmt.c (add_case_node): Make sure that we have integer
	constant before calling tree_int_cst_compare.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/17967
	Revert:
		* tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
		(remove_useless_stmts_1):  Fold trees we know how to fold.

2004-10-14  Joseph S. Myers  <joseph@codesourcery.com>

	* config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS),
	config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow
	-m64.

2004-10-14  Ulrich Weigand  <uweigand@de.ibm.com>

	* reload.c (find_reloads): When reloading a PLUS with constant
	operand, make sure the constant is pushed to the constant pool
	if required.
	* config/s390/s390.c (s390_secondary_input_reload_class): Remove
	reload bug workaround.
	(s390_expand_plus_operand): Likewise.

2004-10-14  David Edelsohn  <edelsohn@gnu.org>

	* opts.c (common_handle_option): Do not enable
	flag_speculative_prefetching for -fprofile-generate/use.

2004-10-14  Devang Patel  <dpatel@apple.com>

	PR 17635
	* tree-if-conv.c (process_phi_nodes): Process latch block.
	(combine_blocks): Process latch block and update loop structure.
	
2004-10-14  Olga Golovanevsky  <olga@il.ibm.com>

	* tree-vectorizer.c (vect_generate_tmps_on_preheader):
	(vect_update_ivs_after_vectorizer):
	(vect_transform_for_unknown_loop_bound):
	(tree_duplicate_loop_to_edge):
	(allocate_new_names):
	(rename_use_op):
	(rename_def_op):
	(rename_variables_in_bb):
	(free_new_names):
	(rename_variables_in_loop):
	(copy_phi_nodes):
	(update_phis_for_duplicate_loop):
	(update_phi_nodes_for_guard):
	(make_loop_iterate_ntimes):
	(tree_duplicate_loop_to_edge_cfg):
	(add_loop_guard):
	(vect_analyze_loop_with_symbolic_num_of_iters):
	(verify_loop_for_duplication): 
	(vect_gen_niters_for_prolog_loop):
	(vect_update_niters_after_peeling):
	(vect_update_inits_of_dr):
	(vect_update_inits_of_drs):
	(vect_build_loop_niters):
	(vect_do_peeling_for_alignment): New functions.
	(vect_transform_loop): Add unknown and known but indivisible loop
	bound support; add peeling for unalignment support. 
	(vect_analyze_loop_form): Support symbolic number of iterations.
	(vect_transform_loop_bound): New input parameter.
	(vect_get_loop_niters): Change input parameter type.
	(new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
	(vectorizable_store): Allow unaligned access.
	(vectorize_loops): Add rewrite_into_loop_closed_ssa.
	(vect_analyze_data_refs_alignment): Allowed one unaligned
	store.
	* tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined 
	to use tree.
	(LOOP_VINFO_INT_NITERS): New macro.
	(MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
	(do_peeling_for_alignment):
	(unaligned_drs): New members of _loop_vec_info.
	(LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.

2004-10-14  Ranjit Mathew  <rmathew@hotmail.com>

	* tree.h (TREE_STRING_POINTER): Wrap in "const char *".
	(struct tree_string): Remove "const" qualifier for "str".

2004-10-14  Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.c (vect_analyze_data_refs): Call
	vect_get_base_and_bit_offset to get memory tag for array ref.
	(vect_create_addr_base_for_vector_ref): Remove redundant checks.

2004-10-14  Richard Earnshaw  <rearnsha@arm.com>

	* configure.ac: Use $LN_S for creating symlinks (not $LN).
	* configure: Regenerate.

2004-10-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* doc/install.texi (*-*-solaris2*): Update with info about kernel
	patches to solve spurious testsuite failures.

2004-10-14  Dorit Naishlos  <dorit@il.bim.com>

	* tree-vectorizer.c (get_vectype_for_scalar_type): Added debug prinouts.
	Added check that vectype is VECTOR_MODE_P, instead of check for BLKmode.
	(vect_analyze_operations): Make sure the vectorization factor > 1. Add
	gcc_assert under ENABLE_CHECKING.
	(vectorizable_operation): Remove check for VECTOR_MODE_P (moved to
	get_vectype_for_scalar_type).

	(vect_get_vec_def_for_operand): Remove redundant variables.
	(vect_transform_loop): Likewise.

2004-10-14  Richard Sandiford  <rsandifo@redhat.com>

	* config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
	global for -mcaller-super-interworking.
	(CALLER_INTERWORKING_SLOT_SIZE): New macro.
	* config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
	CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
	not need a frame pointer.
	(arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
	the soft frame pointer offset.
	(thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
	* config/arm/arm.md (*call_reg_thumb, *call_value_reg_thumb): Use
	_interwork_{r7,r11}_call_via_rN if some arguments are passed on
	the stack.  Use frame_pointer_needed to choose between them.
	* config/arm/lib1funcs.asm (_arm_return_{r7,r11}): New functions.
	(interwork_with_frame): New macro.
	(interwork): Add _interwork_{r7,r11}_call_via_rN().

2004-10-14  Ben Elliston  <bje@au.ibm.com>

	PR other/17900
	* diagnostic.c (trim_filename): Fix logic bug in walking backwards
	up the filename looking for a previous directory separator.

2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (enum c_typespec_kind, struct c_typespec,
	parser_xref_tag): New.
	(struct c_declspecs): Add tag_defined_p.  Adjust definition of
	typedef_p.
	(declspecs_add_type): Adjust prototypes.
	* c-parse.in (%union): Add tstype.
	(typespec_nonattr, typespec_attr, typespec_reserved_nonattr,
	typespec_reserved_attr, typespec_nonreserved_nonattr,
	structsp_attr, structsp_nonattr): Change to tstype.  Update
	actions.
	* c-decl.c (build_null_declspecs): Initialize tag_defined_p.
	(declspecs_add_type): Update to take struct c_typespec argument.
	Set tag_defined_p and typedef_p as appropriate.
	(xref_tag): Rename to parser_xref_tag and replace by wrapper.
	Update to return struct c_typespec.
	(shadow_tag_warned): Don't let empty declarations with qualifiers
	or storage class specifiers redeclare a tag if a previous
	declaration is visible.

2004-10-13  Richard Henderson  <rth@redhat.com>

	PR debug/15860
	* dwarf2out.c (rtl_for_decl_location): Apply big-endian correction
	for DECL_INCOMING_RTL.

2004-10-14  Hans-Peter Nilsson  <hp@axis.com>

	PR target/17984
	* config/cris/cris.md (asrandb, asrandw, lsrandb, lsrandw): Apply
	trunc_int_for_mode for constants used in shortened mode.

2004-10-13  Richard Henderson  <rth@redhat.com>

        PR c/17384
        * c-common.c (handle_mode_attribute): Disallow mode changes that
        alter the CODE of the top-level type.
 
        * crtstuff.c (__FRAME_END__): Remove mode attribute.  Find 32-bit
        integer from internal limits macros.
        * config/i386/mm3dnow.h (__v2sf): Fix base type.

2004-10-13  Richard Henderson  <rth@redhat.com>
 
        PR debug/13841
        * function.c (instantiate_decl): Recurse for CONCAT.

2004-10-13  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.md (andsi3): Add attribute "compare" for
	andi./andis.
	(anddi3): Same.
	(extzvdi_internal1): Add attribute "compare".
	(extzvdi_internal2): Same.

2004-10-12  Tom Tromey  <tromey@redhat.com>

	* doc/md.texi (Insn Canonicalizations): Removed extraneous quote.

2004-10-13  Dale Johannesen  <dalej@apple.com>

	* doc/extend.texi (Extended Asm):  Rewrite asm volatile description.

2004-10-13  Frank Ch. Eigler  <fche@redhat.com>

	* toplev.c (compile_file): Call mudflap_finish_file from here ...
	* c-decl.c (c_write_global_declarations): ... instead of here ...
	* cp/decl.c (cp_finish_file): ... and here.
	* tree-mudflap.c (mudflap_enqueue_decl): Reword a warning message.

2004-10-13  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree-ssa-dom.c (record_range): Free the element if we are not
	going to use it.

2004-10-13  Tom Tromey  <tromey@redhat.com>

	PR java/15578:
	* gcc.c (option_map): Added --extdirs and --encoding.

2004-10-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR target/14454
	* config/sparc/sparc.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Set to
	sparc_can_output_mi_thunk.
	(sparc_output_mi_thunk): Simplify handling of delta offset.  Add
	handling of vcall offset.
	(sparc_can_output_mi_thunk): New predicate.
	* doc/tm.texi (TARGET_ASM_OUTPUT_MI_THUNK): Document VCALL_OFFSET.
	(TARGET_ASM_OUTPUT_MI_VCALL_THUNK): Delete.
	(TARGET_ASM_CAN_OUTPUT_MI_THUNK): New target hook.

	* config/sparc/sparc.c (emit_and_preserve): Preserve stack alignment.

	* config/sparc/sparc.md (movdi): Remove redundant test.

2004-10-13  Paolo Bonzini  <bonzini@gnu.org>

	* tree-dump.c (dump_options): Remove TDF_TREE, TDF_RTL,
	TDF_IPA from -fdump-tree-*-all.

2004-10-13  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm-protos.h (arm_load_pic_register): Update prototype.
	* config/arm/arm.c (thumb_find_work_register): Update comments.
	(arm_load_pic_register): Add argument for scratch register.
	(arm_expand_prologue, thumb_expand_prologue): Pass extra argument.
	* config/arm/arm.md (builtin_setjmp_receiver): Ditto.

2004-10-13  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-data-ref.c: Fix comment typos.

2004-10-13  Jakub Jelinek  <jakub@redhat.com>
	    Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/17724
	* tree-cfg.c (tree_purge_dead_eh_edges): Free dominance info.

2004-10-13  Dorit Naishlos  <dorit@il.ibm.com>

	* rs6000.c (altivec_builtin_mask_for_load): Made static GTY(()).
	(altivec_builtin_mask_for_store): Likewise.
	(altivec_init_builtins): Use lang_hooks.builtin_function to
	create the decls for builtin_altivec_mask_for_load/store.

2004-10-13  Nick Clifton  <nickc@redhat.com>

	* config/c4x/c4x.c: Remove inclusion of loop.h.

2004-10-12  Ben Elliston  <bje@au.ibm.com>

	* basic-block.h (edge_iterator): Keep the address of VEC(edge) *.
	(ei_container): New; renamed.
	(ei_start, ei_last): New macros.
	(ei_start_1, ei_last_1): Renamed from ei_start.
	(ei_last_1, ei_end_p): Use ei_container() where applicable.
	(ei_one_before_end_p, ei_next, ei_edge): Likewise.
	* gcse.c (remove_reachable_equiv_notes): Use ei_container().

2004-10-11  Sebastian Pop  <pop@cri.ensmp.fr>

	* Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
	* cfgloop.c (initialize_loops_parallel_p): New.
	(flow_loops_find): Initialize the parallel_p field to true for all 
	the loops.
	* tree-ssa-loop-niter.c: Include "tree-data-ref.h".
	(estimate_numbers_of_iterations_loop): Infers the loop bounds from 
	the size of the data accessed in the loop.
	(struct nb_iter_bound): Moved... 
	* cfgloop.h (struct nb_iter_bound): ... here.
	(estimated_nb_iterations, parallel_p): New fields in struct loop.
	(record_estimate): Declare extern here.
	* tree-chrec.c: Fix comments.
	(nb_vars_in_chrec): New function.
	* tree-chrec.h (nb_vars_in_chrec): Declared here.
	* tree-data-ref.c: Don't include lambda.h, that is already included 
	in tree-data-ref.h.
	(tree_fold_divides_p): Don't check for integer_onep.
	(tree_fold_bezout): Removed.
	(gcd): New static duplicated function.
	(int_divides_p, dump_subscript): New.
	(dump_data_dependence_relation): Use dump_subscript.
	(dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations, 
	estimate_niter_from_size_of_data): New.
	(analyze_array_indexes, analyze_array): Call 
	estimate_niter_from_size_of_data during	the detection of array 
	references.  Pass in a pointer to the statement that contains the 
	array reference.
	(all_chrecs_equal_p): New.
	(compute_distance_vector): Renamed compute_subscript_distance.
	Deal with multivariate conflict functions.
	(initialize_data_dependence_relation): Initialize DDR_AFFINE_P, 
	DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
	(non_affine_dependence_relation): New.
	(analyze_ziv_subscript, analyze_siv_subscript_cst_affine, 
	analyze_siv_subscript, analyze_miv_subscript, 
	analyze_overlapping_iterations, subscript_dependence_tester): 
	Initialize and return last_conflicts function.
	(initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
	compute_overlap_steps_for_affine_1_2): New.
	(analyze_siv_subscript_affine_cst): Removed.
	(analyze_subscript_affine_affine): Disprove dependences based on the 
	iteration domains.  Solve the univariate dependence case as before, 
	but use lambda_matrix_right_hermite instead of tree_fold_bezout.
	Implement the multivariate case of 2 versus 1 variables.
	(build_classic_dist_vector, build_classic_dir_vector): Implement some 
	unhandled cases.
	(find_data_references_in_loop): Compute and initialize 
	loop->estimated_nb_iterations and loop->parallel_p.
	(analyze_all_data_dependences): Modify the debug dump order.
	* tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
	subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
	(SUB_LAST_CONFLICT, subscript->last_conflict, 
	data_dependence_relation->affine_p, data_dependence_relation->size_vect,
	DDR_AFFINE_P, DDR_SIZE_VECT): New.
	(find_data_references_in_loop, initialize_data_dependence_relation,
	dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.

2004-10-12  Kelley Cook  <kcook@gcc.gnu.org>

	* configure: Regenerate.

2004-10-12  Fariborz Jahanian <fjahanian@apple.com>

	PR 17892
	* tree-ssa-dom.c (unsafe_associative_fp_binop): New function.
	(simplify_rhs_and_lookup_avail_expr): Disallow associativity
	and constant folding of floating point MULT_EXPR/PLUS_EXPR 
	expressions.

2004-10-12  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_va_start): Use build_va_arg_indirect_ref.
	(s390_gimplify_va_arg): Likewise.

2004-10-12  Daniel Jacobowitz  <dan@debian.org>

	* defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)
	(MODE_BASE_REG_REG_CLASS, REGNO_MODE_OK_FOR_REG_BASE_P)
	(REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
	* regclass.c (record_address_regs): Remove ifdef.  Use
	REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
	* regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
	definition.
	(scan_rtx_address, replace_oldest_value_addr): Use
	REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
	* reload.c (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Remove
	unnecessary definitions.
	(find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
	and MODE_BASE_REG_REG_CLASS.
	* config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
	(MODE_BASE_REG_REG_CLASS): Define.
	(REGNO_MODE_OK_FOR_REG_BASE_P): Define.
	(REG_MODE_OK_FOR_REG_BASE_P): Define.
	* doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,
	REG_MODE_OK_FOR_REG_BASE_P, and REGNO_MODE_OK_FOR_REG_BASE_P.

2004-10-12  Daniel Berlin <dberlin@dberlin.org>

	* tree-ssa-alias.c (verify_name_tags): New function.
	(verify_flow_sensitive_alias_info): Remove code that used to check name tags.
	(verify_alias_info): Call verify_name_tags.

2004-10-12  Kazu Hirata  <kazu@cs.umass.edu>

	PR rtl-optimization/17931
	* config/i386/i386.c (ix86_rtx_costs): Handle COMPARE with
	ZERO_EXTRACT in it.

2004-10-12  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (arm_print_operand): Use output_operand_lossage where possible
	rather than aborting.

2004-10-12  Paul Brook  <paul@coudesourcery.com>

	* config.gcc: Add armv6{k,z,zk}
	* config/arm/arm-cores.def: Add arm1176 and mpcore.
	* config/arm/tune.md: Regenerate.
	* config/arm/arm.c (FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK):
	Define.
	(all_architectures): Add armv6k, armv6z, armv6zk.
	* config/arm/lib1funcs.asm: Recognise new arm arcitectures.
	* doc/invoke.texi: Document new arch and cpu values.

2004-10-12  Paul Brook  <paul@coodesourcery.com>

	* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to
	meabi=4.

2004-10-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (addsi3_cbranch_scratch): Correct constraints.
	Handle negative constants.

2004-10-12  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/17301
	* c-typeck.c (convert_arguments): Return error_mark_node if there
	are too few arguments.
	(build_function_call): Handle error_mark_node return from
	convert_arguments.

2004-10-06  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac (symbolic_link): Replace with $LN_S.
	(Assembler/Linker): Hard link from gas and binutils trees.
	* aclocal.m4 (gcc_AC_PROG_LN_S): Try "cp -p" before cp.
	* configure: Regenerate.

2004-10-12  Paul Brook  <paul@codesourcery.com>

	* configure.ac: Don't look for host assembler when building a canadian
	cross.
	* configure: Regenerate.

2004-10-11  Roger Sayle  <roger@eyesopen.com>

	PR other/17361
	* c-opts.c (permit_fortran_options): Delete/obsolete global variable.
	(c_common_init_options): Remove #ifdef CL_F77 code.  Scan command
	line options for "-lang-asm" and if found allow any of the C-family
	front-end options.
	(c_common_handle_option): Remove last use of permit_fortran_options.

2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (print_operand): Support 'S' format flag.
	* config/s390/s390.md ("*tmqi_mem"): Use 'S' format flag.
	("*tstsi", "*tstsi_cconly", "*tstsi_cconly2"): Likewise.
	("*tsthiCCT", "*tsthiCCT_cconly", "*tsthi", "*tsthi_cconly"): Likewise.
	("*tstqiCCT", "*tstqiCCT_cconly", "*tstqi", "*tstqi_cconly"): Likewise.
	("*cmphi_ccu", "*cmpqi_ccu", "*clc"): Likewise
	("movti", "*movdi_31", "*movqi", "*movdf_31", "*mvc"): Likewise.
	("*movstricthi"): Likewise.
	("*load_multiple_di", "*load_multiple_si"): Likewise.
	("*store_multiple_di", "*store_multiple_si"): Likewise.
	("*sethiqisi", "*sethihisi"): Likewise.
	("*sethiqidi_64", "*sethiqidi_31"): Likewise.
	("*andqi3_zarch", "*andqi3_esa", "*nc"): Likewise.
	("*iorqi3_zarch", "*iorqi3_esa", "*oc"): Likewise.
	("*xorqi3", "*xc", "*xc_zero"): Likewise.
	("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Likewise.

	("*tmhi_full"): Fix incorrect op_type attribute.

	("*adddi3_alc_cc", "*adddi3_alc"): Remove double backslash.
	("*subdi3_slb_cc", "*subdi3_slb"): Likewise.
	("*addsi3_alc_cc", "*addsi3_alc"): Likewise.
	("*subsi3_slb_cc", "*subsi3_slb"): Likewise.

2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu

	PR middle-end/16266
	* function.c (temp_slots_at_level): Fix typo which creates too
	many temp stack slots levels.

2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_trampoline_template): Generate shorter
	trampoline code.
	(s390_trampoline_instantiate): Adapt.
	* config/s390/s390.h (TRAMPOLINE_SIZE): Adapt to new code.

2004-10-11  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/17657
	* stmt.c (add_case_node): Add additional type argument.  Declare
	as static to match prototype.  Convert the upper and lower bounds
	to the specified index type.  Optimize away case ranges/values 
	that are outside the index type's bounds.  Truncate case ranges
	that span the index type's bounds.
	(expand_case): Avoid unnessary computation and memory allocation
	when index type is error_mark_node.  Pass index_type as required
	by change to add_case_node API.  No need to convert case range
	bounds to index_type, this is now done by add_case_node.

2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s390_offset_p): Add prototype.
	* config/s390/s390.c (s390_offset_p): New function.
	* config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
	"*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
	transform Q->Q alternatives to *clc pattern.
	("*clc"): Move.
	("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
	"*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
	to transform Q->Q alternatives to *mvc pattern.
	("*mvc"): Move.  Add peephole to merge adjacent MVCs.
	("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
	"*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
	transform Q->Q alternatives to *nc pattern.
	("*nc"): New insn.  New peephole to merge adjacent NCs.
	("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
	"*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
	transform Q->Q alternatives to *oc pattern.
	("*oc"): New insn.  New peephole to merge adjacent OCs.
	("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
	transform Q->Q alternatives to *xc pattern.
	("*xc"): New insn.  New peephole to merge adjacent XCs.
	("*xc_zero"): Move.  Add peephole to merge adjacent XCs.

2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu>

	* gimplify.c (gimple_push_condition): Make sure that we don't
	have any saved condition cleanup if we were at the top level.

2004-10-11  Richard Sandiford  <rsandifo@redhat.com>

	* config/frv/frv.md (*adddi3_internal): Change name to...
	(adddi3): ...replacing the exisiting define_expand.  Combine
	alternatives.  Fix the range of the constant constraints ('J' instead
	of 'NOP').  Remove bogus operands[2] check.  Use simplify_gen_subreg
	to extract the lower and upper halves of the DImode operands.
	Always use addi3_lower and adddi3_upper, not the subdi3 forms.
	(adddi3_lower): Fix the range of the constant constraints and
	remove the bogus operands[2] check.
	(adddi3_upper): Use gpr_or_int10_operand as the predicate for
	operand 2.  Use addxi to handle constant operands.
	(subdi3_lower, subdi3_upper): Don't handle constant operands.

2004-10-11  Nathan Sidwell  <nathan@codesourcery.com>

	* gengtype-lex.l: Add commented } & ) characters to unconfuse
	editor's paren matching. Allow #define inside a struct.

2004-10-10  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/17703
	part of PR c++/17657
	* fold-const.c (fold_build_cleanup_point_expr): New function.
	* tree.h (fold_build_cleanup_point_expr): Prototype.

2004-10-10  Eric Christopher  <echristo@redhat.com>

	* dwarf2out.c: Move attribute to subprogram declaration
	instead of subroutine type.

2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>

	* basic-block.h: Remove the prototypes for can_hoist_insn_p,
	hoist_insn_after, and hoist_insn_to_edge.
	* rtl.h: Remove the prototypes for reg_referenced_between_p,
	no_jumps_between_p, and insn_dependent_p.
	* rtlanal.c (no_jumps_between_p, reg_referenced_between_p,
	insn_dependent_p, insn_dependent_p_1, hoist_test_store,
	can_hoist_insn_p, hoist_update_store, hoist_insn_after,
	hoist_insn_to_edge): Remove.

2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/17881
	* c-decl.c (grokparms): Don't warn for parameters of incomplete
	type in declarations that are not definitions except for the case
	of parameters of void type.

2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c: Fix comment typos.

2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/17301
	* builtins.c (expand_builtin_va_start): Check for too few
	arguments to va_start.

2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/17189
	* c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
	fields a pedwarn.  Pedwarn here for unnamed structs/unions if
	pedantic.
	* c-parse.in (component_decl): Don't pedwarn here for unnamed
	fields.

2004-10-09  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/17906
	* tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to
	copy non-gimple reg arguments.

2004-10-09  Roger Sayle  <roger@eyesopen.com>

	PR rtl-optimization/17853
	* simplify-rtx.c (simplify_relational_operation): Correct comment.
	Reorganize handling of comparison operations with floating point
	results (always return 0.0 even without FLOAT_STORE_FLAG_VALUE).
	Likewise, introduce support for comparison operations with vector
	result types, introducing a new VECTOR_STORE_FLAG_VALUE target macro.

	* doc/rtl.texi: Document new VECTOR_STORE_FLAG_VALUE target macro.
	* doc/tm.texi: Likewise.

2004-10-09  Steven Bosscher  <stevenb@suse.de>

	* regs.h (struct reg_info_def): Remove the last_node_uid and
	changes_mode fields.
	(REGNO_LAST_NOTE_UID): Don't define.
	* regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
	* regmove.c (copy_src_to_dest): Likewise.

2004-10-09  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/17894
	* fold-const.c (fold_div_compare): When optimizing X/C1 op C2, the
	relational comparison operator op needs to be swapped/reversed when
	C1 is negative.  i.e. X/-10 < 1 becomes X >= -9, not X < -9.

2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/17902
	* tree-ssa-phiopt.c (conditional_replacement): Use bsi_after_labels
	instead of bsi_start.
	(value_replacement): Likewise.
	(abs_replacement): Likewise

2004-10-09  Steven Bosscher  <stevenb@suse.de>

	* cfgexpand.c (maybe_dump_rtl_for_tree_stmt): New function.
	(expand_gimple_cond_expr, expand_gimple_tailcall,
	expand_gimple_basic_block): Use it to dump RTL for each stmt.
	(tree_expand_cfg): Announce full RTL function dump.
	* tree-optimize.c (execute_one_pass): Use normal RTL printing,
	not the graph version.
	* tree-pretty-print.c (dump_generic_node): Allow empty statements
	in the arms of a COND_EXPR for lowered nodes.

2004-10-08  Joseph S. Myers  <joseph@codesourcery.com>

	* config/rs6000/spe.h (atosfix16, atosfix32, atosfix64, atoufix16,
	atoufix32, atoufix64, strtosfix16, strtosfix32, strtosfix64,
	strtoufix16, strtoufix32, strtoufix64): Declare.

2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-lex.c (interpret_float): Give a pedwarn rather than a warning
	for an out-of-range floating point constant.
	* builtins.c (fold_builtin_inf): Give a pedwarn rather than a
	warning if the target format does not support infinities.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

	* emit-rtl.c (last_label_num, base_label_num): Remove.
	(max_label_num): Always return label_num.
	(set_new_last_label_num, restore_emit_status): Remove.
	(init_emit): Don't initialize last_label_num.
	* function.c (pop_function_context_from): Don't call
	restore_emit_status.
	* function.h: Remove the prototype for restore_emit_status.
	* rtl.h: Remove the prototype for set_new_last_label_num.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

	* stmt.c (expand_decl_init): Remove.
	* tree.h: Remove the corresponding prototype.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

	* integrate.c (try_constants, subst_constants, mark_stores):
	Remove.
	* integrate.h: Remove the prototype for try_constants.

2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-typeck.c (enum impl_conv): Add ic_argpass_nonproto.
	(convert_for_assignment): Handle ic_argpass_nonproto.  Add
	comments about its relevance to errors.
	(c_convert_parm_for_inlining): Use ic_argpass_nonproto.

2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

	PR c/16999
	* c-ppoutput.c (cb_ident): Don't quote string as it is already
	quoted.

2004-10-08  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-pre.c (init_pre): Use size of ARRAY_REF to allocate
	reference_node_pool.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-10-08  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_register_info): Don't save fprs for
	-msoft-float.
	(s390_conditional_register_usage): Make fprs 'fixed' for -msoft-float.

2004-10-08  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.h (TARGET_DEFAULT_BACKCHAIN): New define.
	(TARGET_DEFAULT): Use symbolic values.
	* config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Redefine.
	(TARGET_DEFAULT): Use symbolic values.
	* config/s390/s390.c (s390_backchain_string): Initialize to
	TARGET_DEFAULT_BACKCHAIN.

2004-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_mempcpy): Move tree handling code to
	fold_builtin_mempcpy.  Accept a type parameter.  Delete duplicate
	code.
	(expand_builtin_strcat): Accept a type parameter.
	(fold_builtin_mempcpy): Accept a type and endp parameter.

	* builtins.c (expand_builtin_strncpy): Delete duplicate code.
	Accept an `exp' instead of an `arglist'.

2004-10-08  Nathan Sidwell  <nathan@codesourcery.com>

	* tree-tailcall.c (tree_optimize_tail_calls_1): Use fold_convert,
	reverting my 2004-09-07 patch to use build_int_cst.

2004-10-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR target/17245
	* config/sparc/sparc.c (input_operand): Remove redundant code
	for handling LO_SUM.
	(legitimate_address_p) <REG+REG>: Do not recheck TARGET_V9.
	<LO_SUM>: If LO_SUM is offsettable, accept it for TFmode on V9.
	Otherwise only accept it for TFmode if quad move insns are available.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
	common cases will be caught earlier than others.

2004-10-08  Michael Matz  <matz@suse.de>

	* loop-doloop.c (doloop_optimize): Extend count.

2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (prefetch_media, prefetch_i4): New insns.
	(prefetch): Convert to expander.

2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (tls_global_dynamic): Use MEM pattern for the
	first argument of CALL.
	(tls_local_dynamic): Likewise.

2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-typeck.c (enum impl_conv): New.
	(convert_for_assignment): Use it.  Take tree for function called
	instead of its name.  Handle ObjC selectors for diagnostics at
	start of function.  Select diagnostic text within the function
	using full sentences for diagnsotics.  Use %qE to name functions
	in diagnostics.
	(convert_arguments, build_modify_expr,
	c_convert_parm_for_inlining, digest_init, c_finish_return): Update
	callers to convert_for_assignment.
	(warn_for_assignment): Remove.

2004-10-08  Nick Clifton  <nickc@redhat.com>

	* config/sh/symbian.c (symbian_possibly_export_base_class):
	Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with
	TYPE_CONTAINS_VPTR_P.

2004-10-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

	* config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
	fixed registers form all_used_regs. Update call_really_used_regs.
	(CALL_REALLY_USED_REGISTERS): Define.
	* config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
	with call_really_used_regs.

2004-10-08  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
	for -profile as well as -p and -pg.

2004-10-07  Andrew Pinski  <pinskia@physics.uc.edu>

	* libgcc2.c (__moddi3): Cast &w to UDWtype*.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (tree_block_forwards_to): Remove.
	* tree-flow.h: Remove the corresponding prototype.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-flow-inline.h (phi_nodes): Remove an unnecessary check
	for ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.

2004-10-07  Geoffrey Keating  <geoffk@apple.com>

	Radar 3813796
	* config/rs6000/rs6000.c (rs6000_generate_compare): When
	flag_trapping_math is in effect, don't generate subtract
	instructions.

2004-10-07  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
	* config/s390/s390.c (s390_narrow_logical_operator): New function.
	(s390_extra_constraint_str): Add 'A' constraints.
	(s390_const_ok_for_constraint_p): Add 'Nx' constraints.
	* config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
	(CONSTRAINT_LEN): Likewise.
	* config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
	("*andsi3_zarch", "*andsi3_esa"): Likewise.
	("*andhi3_zarch", "*andhi3_esa"): Likewise.
	("*iordi3"): Add OI alternative and splitter.
	("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
	("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
	("*xordi3"): Add XI alternative and splitter.
	("*xorsi3", "*xorhi3"): Likewise.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (mips_function_rodata_section): New function.
	(TARGET_ASM_FUNCTION_RODATA_SECTION): Use it.

2004-10-07  Devang Patel  <dpatel@apple.com>

	* rs6000/altivec.md (UNSPEC_VCMPBFP, UNSPEC_VCMPEQUB, UNSPEC_VCMPEQUH,
	UNSPEC_VCMPEQUW, UNSPEC_VCMPGEFP, UNSPEC_VCMPGTUB, UNSPEC_VCMPGTSB,
	UNSPEC_VCMPGTUH, UNSPEC_VCMPGTSH, UNSPEC_VCMPGTUW, UNSPEC_VCMPGTSW,
	UNSPEC_VCMPGTFP, UNSPEC_VSEL4SI, UNSPEC_VSEL4SF, UNSPEC_VSEL8HI,
	UNSPEC_VSEL16QI, UNSPEC_VCOND_V4SI, UNSPEC_VCOND_V4SF, UNSPEC_VCOND_V8HI,
	UNSPEC_VCOND_V16QI, UNSPEC_VCONDU_V4SI, UNSPEC_VCONDU_V8HI,
	UNSPEC_VCONDU_V16QI): New constant defines.
	(vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
	vconduv16qi): New patterns.
	* rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
	* rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
	(get_vec_cmp_insn): Same.
	(get_vsel_insn): Same.
	(rs6000_emit_vector_compare): Same.
	(rs6000_emit_vector_select): Same.
	(INSN_NOT_AVAILABLE): New.

2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/17749
	* tree-tailcall.c (find_tail_calls): Check that parameter is
	a gimple_reg.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

	* config/ia64/ia64.c: Fix a comment typo.

2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* doc/install.texi (*-*-solaris2*): Fix marker for URL.

2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

	PR c++/17115
	* tree-inline.c (expand_call_inline): Do not warn for functions
	marked with attribute noinline.

2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR target/17862
	* config/sparc/sparc.c (sparc_output_mi_thunk): Set
	current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.

	* config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
	of 0 as 4th argument to pass_by_reference.
	Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.

2004-10-06  Eric Christopher  <echristo@redhat.com>

	* config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
	attribute.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

	PR target/17770
	* config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.

2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>

	PR rtl-optimization/17791
	* loop-doloop.c (doloop_modify): Take number of iterations as
	argument.
	(doloop_optimize): Extend or shorten the number of iterations
	when changing mode of counter register.
	* loop-iv.c (lowpart_subreg): Export.
	* rtl.h (lowpart_subreg): Declare.

2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/17806
	* cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
	* cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
	flags moved to split_edge.

2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR middle-end/17835
	* expmed.c (expand_sdiv_pow2): Force a stack adjustment
	before tentatively building the conditional move sequence.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

	PR target/16815
	* function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
	check.
	* config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
	function_arg_padding.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

	PR bootstrap/17857
	* Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

	* hooks.c (hook_int_void_1, hook_void_int): Remove.
	* hooks.h: Remove the corresponding prototypes.

2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/17849
	* tree-nested.c (walk_stmt_info): Add changed field.
	(convert_nonlocal_reference): Set changed to when we
	change a decl to unnested decl.
	<case ADDR_EXPR>: Instead of checking if the immediate part
	of the ADDR_EXPR changed, check the field changed.
	Use recompute_tree_invarant_for_addr_expr instead of unsetting
	TREE_INVARIANT.
	(convert_local_reference):  Set changed to when we
	change a decl to unnested decl.
	<case ADDR_EXPR>: Instead of checking if the immediate part
	of the ADDR_EXPR changed, check the field changed.
	Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.

2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>

	* defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
	* dwarf2out.c (dwarf2out_init): Remove references to
	DWARF2_GENERATE_TEXT_SECTION_LABEL.
	* system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
	* doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.

2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-typeck.c (convert_arguments): Take expression for called
	function rather than its name.  Handle ObjC selectors directly
	rather than relying on warn_for_assignment to do so.  Call warning
	directly rather than warn_for_assignment.  Use %qE in diagnostics.
	Say "argument" rather than "arg" in diagnostics.
	(build_function_call): Update call to convert_arguments.

2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

	PR debug/17787
	* dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
	ENUMs specially instead of just saying we do.

2004-10-06  Eric Christopher  <echristo@redhat.com>

	* dwarf2.h: Sync with include/elf/dwarf2.h

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

	* tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
	and TREE_VEC nodes.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
	to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (compute_nest_using_fourier_motzkin): New
	function.
	(lambda_compute_auxillary_space): Split from here.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
	* tree-flow.h: Add prototype.
	* lambda-code.c (invariant_in_loop_and_outer_loops): Use
	expr_invariant_in_loop.

2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (thread_jumps): Remove a duplicate check for
	EXIT_BLOCK_PTR.

2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s_imm_operand): Remove.
	(s390_pool_operand): Add prototype.
	* config/s390/s390.c (general_s_operand): Remove.
	(s_imm_operand): Remove.
	(s_operand): Merge contents of general_s_operand.
	(s390_pool_operand): New function.
	* config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
	* config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
	("*cmpdi_ccu"): Merge Q->Q alternative.
	("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
	("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
	("*cli"): Remove.
	("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
	("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
	("*movstricthi"): Use memory_operand instead of s_imm_operand.

2004-10-06  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
	call ia64_function_arg_boundary.
	* config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
	* config/ia64/ia64.c (ia64_function_arg_boundary): New.
	(ia64_function_arg_advance): Do not put 128 bit floats into
	FP registers.

2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_strcpy): Delete duplicate code.
	Accept an expression instead of an arglist.
	(expand_builtin_stpcpy): Accept an expression instead of an
	arglist.

2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR target/16007
	* doc/install.texi (*-*-solaris2*): Mention potential problem
	with Sun assembler + GNU linker and C++ programs.
	Document status of binutils 2.15 release.

2004-10-06  Jan Hubicka  <jh@suse.cz>

	* cse.c (cse_main): Kill push/pop context.

2004-10-05  Zack Weinberg  <zack@codesourcery.com>

	* pretty-print.c: Include tree.h.
	(pp_base_prepare_to_format): New function, logic from
	text_specifies_location.
	(pp_base_format_text): Use gcc_assert.
	* pretty-print.h (pp_prepare_to_format): New macro.
	(pp_base_prepare_to_format): Prototype.
	* diagnostic.c (text_specifies_location): Delete.
	(bug_report_request): Delete.
	(diagnostic_set_info): Don't call text_specifies_location.
	(diagnostic_action_after_output): Put text from
	bug_report_request inline here.  Use gcc_unreachable.
	(diagnostic_report_current_function): Fix comment.
	(diagnostic_report_diagnostic): Clarify logic for error recursion.
	Call pp_prepare_to_format before diagnostic_starter.
	(trim_filename): Use IS_DIR_SEPARATOR.
	(fatal_error, internal_error): Use gcc_unreachable.
	(error_recursion): Call diagnostic_action_after_output to
	issue the bug_report_request message and exit.
	* Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.

	* c-parse.in: Add list of diagnostic messages to insulate
	translation template from version of yacc/bison used to
	compile the grammar.

2004-10-06  Alan Modra  <amodra@bigpond.net.au>

	PR 16406
	* doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

	* basic-block.h: Remove the prototype for
	flow_preorder_transversal_compute.
	* cfganal.c (dfst_node): Remove.
	(flow_preorder_transversal_compute): Likewise.
	* rtl.h: Remove the prototype for get_jump_table_offset.
	* rtlanal.c (get_jump_table_offset): Remove.

2004-10-05  Richard Henderson  <rth@redhat.com>

	PR 17756
	* tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.

2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>

	PR bootstrap/17817
	* Makefile.in: Stage the build directory too.

2004-10-05  Aldy Hernandez  <aldyh@redhat.com>

	* config/frv/frv.h (LEGITIMIZE_ADDRESS): New.

	* config/frv/frv-protos.h (frv_legitimize_address): Protoize.
	(frv_emit_move): Same.

	* config/frv/frv.c (frv_emit_move): New.
	(frv_legitimize_address): New.

	* config/frv/frv.md ("movsi"): Call frv_emit_move.
	("movqi"): Same.
	("movhi"): Same.
	("movdi"): Same.
	("movsf"): Same.
	("movdf"): Same.

2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
	system headers.

2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c (pushdecl): When an extern declaration at block scope
	refers to a visible entity with internal linkage, use the old DECL
	rather than the new one.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
	comments.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (thread_jumps): Remove a duplicate check for
	an infinite loop.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
	of FOR_BB_BETWEEN.  Remove a useless check for unreachable
	blocks.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (cleanup_tree_cfg): Don't call
	delete_unreachable_blosk() after thread_jumps().
	(thread_jumps): Always remove basic blocks as they become
	unreachable.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (cleanup_tree_cfg): Remove variable
	something_changed.  Simplify the while loop.

2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_memmove): Delete duplicate code
	and accept a tree type for the result.
	(expand_builtin_bcopy): Accept a tree type for the result.
	(fold_builtin_memmove): Accept an arglist and tree type for
	the result.

2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_dump_pool): Remove return value.
	Use gen_pool_align, gen_pool_section_start/end instead of
	gen_pool_start/end_31/64.
	* config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
	(UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
	("pool_start_31", "pool_end_31"): Remove.
	("pool_start_64", "pool_end_64"): Likewise.
	("pool_align", "pool_section_start", "pool_section_end": New insns.

	* config/s390/s390.c (s390_cannot_copy_insn_p): New function.
	(TARGET_CANNOT_COPY_INSN_P): Define.
	(s390_cannot_force_const_mem): Handle UNSPEC_INSN.
	(struct constant_pool): New member 'execute'.
	(s390_add_execute, s390_find_execute): New functions.
	(s390_execute_label, s390_execute_target): Likewise.
	(s390_dump_pool): Output in-pool execute target templates.
	(s390_dump_execute): New function.
	(s390_alloc_pool, s390_free_pool): Handle execute templates.
	(s390_mainpool_start, s390_mainpool_finish): Likewise.
	(s390_chunkify_start, s390_chunkify_finish): Likewise.
	* config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
	("*execute"): New insn pattern.
	("movmem_short", "*movmem_short"): Use splitters to generate
	explicit execute pattern, remove embedded execute.
	("clrmem_short", "*clrmem_short"): Likewise.
	("cmpmem_short", "*cmpmem_short"): Likewise.

2004-10-05  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa.c (verify_ssa): Verify phi arguments only
	contain renamed names.

2004-10-05  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/linux.h: Formatting, whitespace.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/rs6000-protos.h: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	(easy_vector_splat_const): Add fall thru comments.
	(output_vec_const_move): Likewise.

2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>

	* Makefile.in: Update -Wno-error exceptions for move to build dir.

2004-10-05  Chao-Ying Fu  <fu@mips.com>
	    Richard Sandiford  <rsandifo@redhat.com>

	* doc/invoke.texi (-mpaired-single): Link to the new description of the
	built-in functions.  Document dependencies.
	(-mips3d): Add link here too.
	* doc/extend.texi (MIPS Paired-Single Support): New section.

2004-10-04  Chao-ying Fu  <fu@mips.com>

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

2004-10-04  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-dom.c (tree_ssa_dominator_optimize):
	Initialize OPT_STATS to 0.

2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-data-ref.c: Fix comment typos.

2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>

	* tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
	the predicate cannot be computed, don't initialize the result to
	false.

2004-10-01  Eric Christopher  <echristo@redhat.com>

	* dwarf2.h (dwarf_calling_convention): Add GNU prefix to
	locally defined enum.
	* dwarf2out.c (add_calling_convention_attribute): Don't
	emit DW_CC_normal.

2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>

	PR c/17178, PR c/17820
	* c-decl.c (pop_scope): Do not warn about unused static
	variables as they warned in the middle-end.

2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_memcpy): Delete duplicate code
	and make the first parameter the expression not the arglist.

2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>

	* expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
	as valid modes to expand address expressions.

2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
	c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
	c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
	code formatting conventions.

2004-10-03  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.

2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>

	PR tree-optimization/16632
	* fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
	fold (A & C) == D into 0, fold ~C.  Similarly, for the case
	where | is used instead of &.

2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>

	* ginclude/stddef.h: Fix a comment typo.

2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR target/17443
	* config.gcc (i?86-*-solaris2*): Restore correct logic
	for --enable-threads option.
	(sparc64-*-solaris2*): Likewise.
	(sparc-*-solaris2*): Likewise.

2004-10-03  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
	(OS_MISSING_POWERPC64): Move, and comment.
	* config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
	(OS_MISSING_POWERPC64): Move, and comment.

2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>

	* arm.c (output_call_mem): Add missing \t.

2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
	expand_builtin_strncmp): Delete duplicate code.

2004-10-02  Frank Ch. Eigler  <fche@redhat.com>

	* tree-mudflap.c (mf_build_check_statement_for): Reorganize to
	take check-base and -limit arguments.
	(mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
	check ranges for ARRAY_REF and COMPONENT_REF.
	(execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
	instrumentation.

2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-objc-common.c (c_tree_printer): Correct description of %E.
	Don't fall through after printing an expression.

2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.

2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (cleanup_tree_cfg): Speed up by calling
	delete_unrechable_blocks() only when necessary.

2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>

	* gthr-tpf.h (__gthread_recursive_mutex_t): New type.
	(__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
	(__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
	__gthread_recursive_mutex_unlock): New functions.

2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>

	* config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
	* config/s390/tpf-eh.c: Remove file.
	* config/s390/tpf-unwind.h: New file.
	* config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
	(MD_UNWIND_SUPPORT): Define.

2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-typeck.c (warn_for_assignment): Don't permit argnum == 0.

2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s390_comparison): Add prototype.
	* config/s390/s390.c (s390_comparison): New function.
	(s390_branch_condition_mask): Return -1 for invalid comparisons.
	(s390_branch_condition_mnemonic): Assert valid comparison.
	* config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
	* config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
	"*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
	s390_comparison instead of comparison_operator.

	* config/s390/s390.md (UNSPEC_CMPINT): New constant.
	("cmpmemdi"): Remove.
	("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
	("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
	("cmpint_si"): Rename to ...
	("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
	("cmpint_di", "*cmpint_di"): Likewise.
	* config/s390/s390.c (s390_canonicalize_comparison): Remove
	redundant UNSPEC_CMPINT conversions.
	(s390_expand_cmpmem): Adapt to cmpint pattern changes.

2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>

	* collect2.c (COLLECT_PARSE_FLAG): Remove.
	(main): Remove a reference to COLLECT_PARSE_FLAG
	* system.h: Poison COLLECT_PARSE_FLAG.
	* doc/tm.texi (COLLECT_PARSE_FLAG): Remove.

2004-10-01  Paul Brook  <paul@codesourcery.com>

	* config/arm/crti.asm: Give _init and _fini function type.

2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>

	* common.opt (ftree-loop-ivcanon): Enable by default.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
	Enable complete loop unrolling.
	(canonicalize_induction_variables, tree_unroll_loops_completely):
	Reset scev info.

2004-10-01  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
	not register number.
	(thumb_find_work_register): Search full register range.

2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/17343
	* tree-cfg.c (group_case_labels): Get the label and not
	the case expr for the default case.
	When the label we looking at is the default, decrement the
	new_size.

2004-10-01  Jan Hubicka  <jh@suse.cz>

	* c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
	* cgraphunit.c (cgraph_build_static_cdtor): Likewise.
	* toplev.h (tree_rest_of_compilation): Update prototype.
	* tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.

2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-cfg.c (cleanup_tree_cfg): Pull a call to
	cleanup_control_flow() out of the while loop.

2004-10-01  Paolo Bonzini  <bonzini@gnu.org>

	* tree-vectorizer.c (vectorizable_operation): Fail unless
	the mode for the vector type is indeed a vector mode.

2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>

	* tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
	chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
	of convert.
	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
	add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
	follow_ssa_edge_in_rhs): Ditto.
	* tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
	(dump_iv): Dump base_object.
	(dump_use, dump_cand): Use dump_iv.
	(determine_base_object): New function.
	(alloc_iv): Initialize base_object field.
	(record_use): Clear the ssa_name field of iv.
	(get_computation_cost_at): Do not use difference of addresses of
	two different objects.
	(may_eliminate_iv): Do not require the loop to have just single exit.
	* tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
	(nonzero_p): New function.
	(inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
	tree_simplify_using_condition, simplify_using_initial_conditions,
	loop_niter_by_eval, find_loop_niter_by_eval,
	estimate_numbers_of_iterations_loop, compare_trees,
	upper_bound_in_type, lower_bound_in_type,
	can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
	fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
	instead of integer_(non)zerop.

2004-10-01  Jakub Jelinek  <jakub@redhat.com>

	Revert
	2004-09-29  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
	and TI_VA_LIST_FPR_COUNTER_FIELD.
	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
	* tree-pass.h (pass_stdarg): Add.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
	* tree-stdarg.c: New file.
	* Makefile.in (OBJS-common): Add tree-stdarg.o.
	(tree-stdarg.o): Add dependencies.
	* function.h (struct function): Add va_list_gpr_size and
	va_list_fpr_size fields.
	* function.c (allocate_struct_function): Initialize them.

	* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
	va_list_{g,f}pr_counter_field.
	(ix86_setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(ix86_va_start): Don't set up fields that won't be used.

	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
	va_list_{g,f}pr_counter_field.
	(setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(rs6000_va_start): Don't set up fields that won't be used.

2004-09-30  Eric Christopher  <echristo@redhat.com>

	* dwarf2.h (dwarf_calling_convention): Add enum for renesas
	sh abi.
	* dwarf2out.c (add_calling_convention_attribute): New function.
	(gen_subroutine_type_die): Use.
	* target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
	* target.h (gcc_target): Add dwarf_calling_convention.
	* hooks.c (hook_int_tree_0): New function.
	* hooks.h: Prototype.
	* config/sh/sh.c: Include dwarf2.h.
	(sh_dwarf_calling_convention): New function.
	(TARGET_DWARF_CALLING_CONVENTION): Use.
	* doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.

2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_strstr, expand_builtin_strchr,
	expand_builtin_strrchr, expand_builtin_strpbrk,
	expand_builtin_strncat, expand_builtin_strspn,
	expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
	code.

2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s390_expand_logical_operator): Add
	prototype.
	(s390_logical_operator_ok_p): Likewise.
	* config/s390/s390.c (s390_expand_logical_operator): New function.
	(s390_logical_operator_ok_p): Likewise.
	* config/s390/s390.md ("anddi3"): New expander.
	("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
	("*anddi3_ss", "*anddi3_ss_inv"): Remove.
	("andsi3"): Use s390_expand_logical_operator.
	("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
	("*andsi3_ss", "*andsi3_ss_inv"): Remove.
	("andhi3"): New expander.
	("*andhi3_zarch", "*andhi3_esa"): New patterns.
	("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
	("andqi3"): New expander.
	("*andqi3_zarch", "*andqi3_esa"): New patterns.
	("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
	("iordi3"): New expander.
	("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
	("*iordi3_ss", "*iordi3_ss_inv"): Remove.
	("iorsi3"): Use s390_expand_logical_operator.
	("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
	("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
	("iorhi3"): New expiorer.
	("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
	("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
	("iorqi3"): New expiorer.
	("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
	("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
	("xordi3"): New expander.
	("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
	("*xordi3_ss", "*xordi3_ss_inv"): Remove.
	("xorsi3"): New expander.
	("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
	("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
	("xorhi3"): New expander.
	("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
	("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
	("xorqi3"): New expander.
	("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
	("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.

2004-09-30  Roger Sayle  <roger@eyesopen.com>

	* combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
	(AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
	machine mode as the result.

2004-09-30  Ben Elliston  <bje@au.ibm.com>

	PR bootstrap/17761
	* lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
	FOR_EACH_EDGE macros.

2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (readonly_error): Remove.
	* c-typeck (enum lvalue_use): New.
	(lvalue_or_else, readonly_error): Use it.  All callers changed.
	(readonly_error): Make static.

2004-09-30  Jan Hubicka  <jh@suse.cz>

	PR debug/13974
	* cfgrtl.c (try_redirect_by_replacing_jump,
	force_nonfallthru_and_redirect, commit_one_edge_insertion,
	cfg_layout_merge_blocks):  Do not attach any line number information
	to newly inserted instructions.
	* emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
	emit_insn_*_noloc.
	(emit_*insn_before, emit_insn*_after): New.
	(emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
	existing locators.
	* rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
	(emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.

2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
	(s390_return_address_offset): Remove.
	(s390_can_eliminate): Add prototype.
	(s390_initial_elimination_offset): Add prototype.
	* config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
	(INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
	* config/s390/s390.c (s390_arg_frame_offset): Remove.
	(s390_return_address_offset): Remove.
	(s390_can_eliminate, s390_initial_elimination_offset): New functions.
	(struct machine_function): New member split_branches_pending_p.
	(s390_mainpool_start): Allow nonexistant pool insn for empty pool.
	(s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
	(s390_optimize_prologue): Remove base_used argument.  Call
	s390_update_frame_layout instead of s390_register_info.  Handle
	prologue/epilogue insns that touch only RETURN_REGNUM.
	(s390_reorg): Remove base_used.  Clear split_branches_pending_p.
	(s390_register_info): Remove base_used and return_addr_used
	arguments, compute special register usage inline.  Return live
	register data to caller.
	(s390_frame_info): Remove arguments, do not call s390_register_info.
	(s390_init_frame_layout): New function.
	(s390_update_frame_layout): Likewise.
	(s390_emit_prologue): Call s390_update_frame_layout; some code
	move to there.  Do not emit pool placeholder insn if unnecessary.

2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (legitimate_reload_constant_p): Remove
	floating point constant workaround.
	(s390_secondary_input_reload_class): Handle PLUS reloads
	with too-large constant.
	(s390_expand_plus_operand): Likewise.
	* config/s390/s390.md ("movdi"): Do not call force_const_mem.
	("movsi"): Likewise.  Also, remove workaround for non-general
	operands.
	("movdf"): Do not call force_const_mem.
	("movsf"): Likewise.  Merge expander with *movsf insn.
	("*movsf"): Remove, merge with movsf expander.

2004-09-30  Paul Brook  <paul@codesourcery.com>

	* config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
	(ENDFILE_SPEC): Define.
	* config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.

2004-09-30  Richard Henderson  <rth@redhat.com>

	* config/alpha/qrnnd.asm: Mark for noexecstack.

2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>

	* protoize.c, tree-cfg.c: Fix comment typos.

2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/17730
	* c-typeck.c (lvalue_or_else): Pass msgid directly to error.

2004-09-30  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
	expressions...
	(add_pointed_to_expr): ... here.
	Call add_pointed_to_expr for variables with DECL_INITIAL set.
	* tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
	pointer variable, if set.

2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>

	* config/sh/sh.c: Follow spelling conventions.

2004-09-29  Richard Henderson  <rth@redhat.com>

	* unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
	* doc/tm.texi (DWARF_ZERO_REG): New.

	* config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
	alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
	* config/alpha/alpha.h (DWARF_ZERO_REG): New.

2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>

	* builtins.c (expand_builtin_strlen): Do not call emit_move_insn
	with a PLUS as source operand.
	(expand_movstr): Likewise.
	(expand_builtin_stpcpy): Likewise.

2004-09-29  Richard Henderson  <rth@redhat.com>

	PR 17739
	* tree-gimple.c (is_gimple_reg): Reject hard registers.
	(is_gimple_asm_val): New.
	* tree-gimple.h (is_gimple_asm_val): Declare.
	* gimplify.c (gimplify_asm_expr): Use it.
	* tree-pretty-print.c (print_declaration): Dump hard regs.
	* tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
	* tree-ssa-pre.c (is_undefined_value): Likewise.
	* tree-ssa-copy.c (may_propagate_copy): Likewise.
	(may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
	* tree-ssa.c (warn_uninit): Likewise.
	* tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.

2004-09-29  Fariborz Jahanian <fjahanian@apple.com>

	* c-decl.c (merge_decls): Use comptype when comparing
	types to decide on DECL_SIZE save of olddecl.

2004-09-29  Daniel Berlin  <dberlin@dberlin.org>

	* tree.h (INDIRECT_REF_P): New macro.
	* alias.c (get_alias_set): Use it
	(nonoverlapping_memrefs_p): Ditto.
	* emit-rtl.c (mem_expr_equal_p): Ditto.
	(set_mem_attributes_minus_bitpos): Ditto.
	(is_gimple_addressable): Ditto.
	(get_base_address): Ditto.
	* tree-ssa-alias.c (find_ptr_derefernece): Ditto.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
	* tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
	(add_address_candidates): Ditto.
	(rewrite_address_base): Ditto.

2004-09-30  Ben Elliston  <bje@au.ibm.com>

	* tree-flow.h (struct bb_ann_d): Remove num_preds member.
	* tree-into-ssa.c (rewrite_into_ssa): Don't set it.
	(rewrite_ssa_into_ssa): Likewise.
	* tree-phinodes.c (create_phi_node): Access the number of
	predecessor edges using EDGE_COUNT() and not num_preds.

2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/7425
	* c-decl.c (merge_decls): Merge TREE_DEPRECATED.

2004-09-29  Eric Christopher  <echristo@redhat.com>

	* fold-const.c (tree_swap_operands_p): Remove duplicated code.

2004-09-29  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.md (moverside, movemside): With MEM, make sure
	the address is (plus reg mem).

2004-09-29  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.

2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>

	* tree.c (make_node_stat): Fix uninitialized warning.  Replace
	cascaded if ... else if with a switch.

2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

	* read-rtl.c (apply_macro_to_string): Replace index with strchr.

2004-09-29  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
	and TI_VA_LIST_FPR_COUNTER_FIELD.
	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
	* tree-pass.h (pass_stdarg): Add.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
	* tree-stdarg.c: New file.
	* Makefile.in (OBJS-common): Add tree-stdarg.o.
	(tree-stdarg.o): Add dependencies.
	* function.h (struct function): Add va_list_gpr_size and
	va_list_fpr_size fields.
	* function.c (allocate_struct_function): Initialize them.

	* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
	va_list_{g,f}pr_counter_field.
	(ix86_setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(ix86_va_start): Don't set up fields that won't be used.

	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
	va_list_{g,f}pr_counter_field.
	(setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(rs6000_va_start): Don't set up fields that won't be used.

2004-09-29  Jakub Jelinek  <jakub@redhat.com>

	* builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
	BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
	BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
	BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
	* builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
	ATTR_NONNULL_1_4): New.

2004-09-29  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/17697
	* tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
	cfg if needed.

2004-09-28  Per Bothner  <per@bothner.com>

	* profile.c (branch_prob): Pass correct value to output_location,
	even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.

2004-09-28  Richard Henderson  <rth@redhat.com>

	PR 15089
	* tree-ssa-copy.c (may_propagate_copy_into_asm): New.
	* tree-flow.h (may_propagate_copy_into_asm): Declare.
	* tree-ssa-ccp.c (replace_uses_in): Use it.
	* tree-ssa-dom.c (cprop_operand): Likewise.

2004-09-28 Jeff Law  <law@redhat.com>

	* tree-ssa-threadupdate.c (create_block_for_threading):  Request
	that no outgoing edges be left in the duplicate block.  Do no
	update information on outgoing edges or PHI nodes in target
	blocks here.
	(remove_ctrl_stmt_and_useless_edges): Renamed from
	remove_last_stmt_and_useless_edges.  Handle case where the
	block is empty or has no control statements.  Do not update edge
	flags here.
	(thread_block): Create a template block rather than copying the
	original block every time.  Create outgoing edges from the
	duplicate blocks and update PHIs at the target of the outgoing
	edges here.  Fix edge flags for the original block if necessary.
	* cfghooks (duplicate_block): No longer assert that the original
	block has incoming edges.

2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>

	* doc/extend.texi (Extended Asm): Add blurb about using Explicit
	Reg Vars to enforce register allocation with general constraints.
	(Explicit Reg Vars): Clarify relation to asm statements.
	(Local Reg Vars): Similar.

2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>

	* sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
	TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
	build_control_flow, new_edge): Remove.
	(schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
	(bitlst, bitlst_table_last, bitlst_table): Remove.
	(bblst): Store basic_block pointer instead of block index.
	(bblst_table): Likewise.
	(edgelst): Store edge pointer instead of edge index.
	(edgelst_table, edgelst_last): New variables.
	(extract_bitlst): Rename to ...
	(extract_edgelst): ... this.  Return edge pointers, not indices.
	(split_edges): Update call.
	(rgn_edges): Store edge pointers instead of indices.
	(edge_to_bit): Remove.
	(EDGE_TO_BIT): Store per-region edge index in edge->aux.
	(SET_EDGE_TO_BIT): New macro.
	(is_cfg_nonregular): Check for simple cases of unreachable blocks.
	(find_rgns): Remove edge_list parameter.  Traverse standard CFG
	data structures instead of haifa_edge et al.  Use edge pointers
	instead of edge indices everywhere.
	(compute_dom_prob_ps): Use standard CFG data structures.  Account
	for exit edges.
	(compute_trg_info): Likewise.
	(propagate_deps): Likewise.
	(debug_candidate): Account for bblst data structure change.
	(check_live_1, update_live_1, is_pfree): Likewise.
	(IS_REACHABLE): Use standard CFG data structures.
	(init_ready_list): Update bblst_table/edgelst_table allocation.
	(schedule_region): Update alloc/cleanup code to data structure
	changes.  Use edge->aux to store per-region edge index.
	(init_regions): No longer call build_control_flow.  Do not
	create edge list any more.

2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>

	* cse.c (cse_insn): Avoid creating direct non-local jumps.
	* combine.c (can_combine_p): Likewise.
	* local-alloc. (update_equiv_regs): Likewise.

2004-09-28  Richard Henderson  <rth@redhat.com>

	PR 17531
	* expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
	Don't check VOIDmode here.  Force PLUS operands to common type.
	(expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
	Pmode if given a non pointer type.

2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR 17531
	* optabs.c (expand_binop): Force constants to the correct mode.

2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_adjust_cost): Remove.
	(TARGET_SCHED_ADJUST_COST): Do not redefine.
	(s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
	* config/s390/s390.md ("main_pool"): Use "larl" type
	attribute if TARGET_CPU_ZARCH.

2004-09-28  Jakub Jelinek  <jakub@redhat.com>

	* config/ia64/ia64.c (ia64_expand_prologue): Declare ei
	variable.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-loop.c (pass_record_bounds): Do not assign a
	name to the pass.

2004-09-28  Steven Bosscher  <stevenb@suse.de>

	* common.opt (flag_gcse_sm): Disable by default.
	(flag_gcse_las): Likewise.
	(flag_web): Likewise.  Create from this file.
	* flags.h: Remove flag_web declaration.
	* toplev.c (flag_web): Likewise.
	(process_options): Never set flag_web.

2004-09-28  Steven Bosscher  <stevenb@suse.de>

	* Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
	* tree-ssa-propagate.c: Include vec.h.
	(interesting_ssa_edges, varying_ssa_edges): Make these VECs
	instead of varrays.
	(cfg_blocks_add): Assert the block is not already in the worklist.
	Update uses of interesting_ssa_edges and varying_ssa_edges.
	(process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
	ssa_propagate): Likewise.

2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/16409
	* c-decl.c (start_decl): Check for initializing incomplete array
	of VLAs.
	(build_compound_literal): Check for TYPE being error_mark_node.
	* c-parse.in (primary): Check for VLA compound literals.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-live.c (calculate_live_on_entry): Fix warnings
	with --disable-checking.

2004-09-28  Devang Patel  <dpatel@apple.com>

	* tree-pretty-print.c (dump_generic_node): Print vector types.

2004-09-28  Nick Clifton  <nickc@redhat.com>

	* config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
	invocation of the function sh_init_cumulative_args.
	(INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
	(INIT_CUMULATIVE_INCOMING_ARGS): Delete.
	* config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
	* config/sh/sh.c (sh_init_cumulative_args): New function based
	on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
	heuristic added to determine the setting of force_mem when a
	library function is being called.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
	Skip constant arguments.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-alias.c (create_name_tags): If PTR points to a
	volatile type, mark the tag volatile.
	(get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
	volatile.

2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree.def (vec_cond_expr): Fix. Change 'e'
	to tcc_expression.

2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>

	* basic-block.h: Fix a comment typo.

2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>

	* optabs.c, optabs.h: Fix comment typos.

2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>

	* config/sparc/sparc.md (call_address_struct_value_sp32):
	Properly mask the immediate field of the 'unimp' instruction.
	(call_symbolic_struct_value_sp32): Likewise.

2004-09-28  Ben Elliston  <bje@au.ibm.com>
	    Steven Bosscher  <stevenb@suse.de>
	    Andrew Pinski  <pinskia@physics.uc.edu>

	Merge from edge-vector-branch:
	* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
	(struct edge_def): Remove pred_next, succ_next members.
	(struct basic_block_def): Remove pred, succ members.  Add preds
	and succs members of type VEC(edge).
	(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
	(BRANCH_EDGE): Likewise.
	(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
	(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
	(edge_iterator): New.
	(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
	(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
	(FOR_EACH_EDGE): New.
	* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
	where applicable.
	(rotate_loop): Likewise.
	(find_traces_1_route): Likewise.
	(bb_to_key): Likewise.
	(connect_traces): Likewise.
	(copy_bb_p): Likewise.
	(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
	(add_labels_and_missing_jumps): Likewise.
	(fix_up_fall_thru_edges): Likewise.
	(find_jump_block): Likewise.
	(fix_crossing_conditional_branches): Likewise.
	(fix_crossing_unconditional_branches): Likewise.
	(add_reg_crossing_jump_notes): Likewise.
	* bt-load.c (augment_live_range): Likewise.
	* cfg.c (clear_edges): Likewise.
	(unchecked_make_edge): Likewise.
	(cached_make_edge): Likewise.
	(make_single_succ_edge): Likewise.
	(remove_edge): Likewise.
	(redirect_edge_succ_nodup): Likewise.
	(check_bb_profile): Likewise.
	(dump_flow_info): Likewise.
	(alloc_aux_for_edges): Likewise.
	(clear_aux_for_edges): Likewise.
	(dump_cfg_bb_info): Likewise.
	* cfganal.c (forwarder_block_p): Likewise.
	(can_fallthru): Likewise.
	(could_fall_through): Likewise.
	(mark_dfs_back_edges): Likewise.
	(set_edge_can_fallthru_flag): Likewise.
	(find_unreachable_blocks): Likewise.
	(create_edge_list): Likewise.
	(verify_edge_list): Likewise.
	(add_noreturn_fake_exit_edges): Likewise.
	(connect_infinite_loops_to_exit): Likewise.
	(flow_reverse_top_sort_order_compute): Likewise.
	(flow_depth_first_order_compute): Likewise.
	(flow_preorder_transversal_compute): Likewise.
	(flow_dfs_compute_reverse_execute): Likewise.
	(dfs_enumerate_from): Likewise.
	(compute_dominance_frontiers_1): Likewise.
	* cfgbuild.c (make_edges): Likewise.
	(compute_outgoing_frequencies): Likewise.
	(find_many_sub_basic_blocks): Likewise.
	(find_sub_basic_blocks): Likewise.
	* cfgcleanup.c (try_simplify_condjump): Likewise.
	(thread_jump): Likewise.
	(try_forward_edges): Likewise.
	(merge_blocks_move): Likewise.
	(outgoing_edges_match): Likewise.
	(try_crossjump_to_edge): Likewise.
	(try_crossjump_bb): Likewise.
	(try_optimize_cfg): Likewise.
	(merge_seq_blocks): Likewise.
	* cfgexpand.c (expand_gimple_tailcall): Likewise.
	(expand_gimple_basic_block): Likewise.
	(construct_init_block): Likewise.
	(construct_exit_block): Likewise.
	* cfghooks.c (verify_flow_info): Likewise.
	(dump_bb): Likewise.
	(delete_basic_block): Likewise.
	(split_edge): Likewise.
	(merge_blocks): Likewise.
	(make_forwarder_block): Likewise.
	(tidy_fallthru_edges): Likewise.
	(can_duplicate_block_p): Likewise.
	(duplicate_block): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	(fixup_fallthru_exit_predecessor): Likewise.
	(can_copy_bbs_p): Likewise.
	(copy_bbs): Likewise.
	* cfgloop.c (flow_loops_cfg_dump): Likewise.
	(flow_loop_entry_edges_find): Likewise.
	(flow_loop_exit_edges_find): Likewise.
	(flow_loop_nodes_find): Likewise.
	(mark_single_exit_loops): Likewise.
	(flow_loop_pre_header_scan): Likewise.
	(flow_loop_pre_header_find): Likewise.
	(update_latch_info): Likewise.
	(canonicalize_loop_headers): Likewise.
	(flow_loops_find): Likewise.
	(get_loop_body_in_bfs_order): Likewise.
	(get_loop_exit_edges): Likewise.
	(num_loop_branches): Likewise.
	(verify_loop_structure): Likewise.
	(loop_latch_edge): Likewise.
	(loop_preheader_edge): Likewise.
	* cfgloopanal.c (mark_irreducible_loops): Likewise.
	(expected_loop_iterations): Likewise.
	* cfgloopmanip.c (remove_bbs): Likewise.
	(fix_bb_placement): Likewise.
	(fix_irreducible_loops): Likewise.
	(remove_path): Likewise.
	(scale_bbs_frequencies): Likewise.
	(loopify): Likewise.
	(unloop): Likewise.
	(fix_loop_placement): Likewise.
	(loop_delete_branch_edge): Likewise.
	(duplicate_loop_to_header_edge): Likewise.
	(mfb_keep_just): Likewise.
	(create_preheader): Likewise.
	(force_single_succ_latches): Likewise.
	(loop_split_edge_with): Likewise.
	(create_loop_notes): Likewise.
	* cfgrtl.c (rtl_split_block): Likewise.
	(rtl_merge_blocks): Likewise.
	(rtl_can_merge_blocks): Likewise.
	(try_redirect_by_replacing_jump): Likewise.
	(force_nonfallthru_and_redirect): Likewise.
	(rtl_tidy_fallthru_edge): Likewise.
	(commit_one_edge_insertion): Likewise.
	(commit_edge_insertions): Likewise.
	(commit_edge_insertions_watch_calls): Likewise.
	(rtl_verify_flow_info_1): Likewise.
	(rtl_verify_flow_info): Likewise.
	(purge_dead_edges): Likewise.
	(cfg_layout_redirect_edge_and_branch): Likewise.
	(cfg_layout_can_merge_blocks_p): Likewise.
	(rtl_flow_call_edges_add): Likewise.
	* cse.c (cse_cc_succs): Likewise.
	* df.c (hybrid_search): Likewise.
	* dominance.c (calc_dfs_tree_nonrec): Likewise.
	(calc_dfs_tree): Likewise.
	(calc_idoms): Likewise.
	(recount_dominator): Likewise.
	* domwalk.c (walk_dominator_tree): Likewise.
	* except.c (emit_to_new_bb_before): Likewise.
	(connect_post_landing_pads): Likewise.
	(sjlj_emit_function_enter): Likewise.
	(sjlj_emit_function_exit): Likewise.
	(finish_eh_generation): Likewise.
	* final.c (compute_alignments): Likewise.
	* flow.c (calculate_global_regs_live): Likewise.
	(initialize_uninitialized_subregs): Likewise.
	(init_propagate_block_info): Likewise.
	* function.c (thread_prologue_and_epilogue_insns): Likewise.
	* gcse.c (find_implicit_sets): Likewise.
	(bypass_block): Likewise.
	(bypass_conditional_jumps): Likewise.
	(compute_pre_data): Likewise.
	(insert_insn_end_bb): Likewise.
	(insert_store): Likewise.
	(remove_reachable_equiv_notes): Likewise.
	* global.c (global_conflicts): Likewise.
	(calculate_reg_pav): Likewise.
	* graph.c (print_rtl_graph_with_bb): Likewise.
	* ifcvt.c (mark_loop_exit_edges): Likewise.
	(merge_if_block): Likewise.
	(find_if_header): Likewise.
	(block_jumps_and_fallthru_p): Likewise.
	(find_if_block): Likewise.
	(find_cond_trap): Likewise.
	(block_has_only_trap): Likewise.
	(find_if_case1): Likewise.
	(find_if_case_2): Likewise.
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
	(perfect_nestify): Likewise.
	* lcm.c (compute_antinout_edge): Likewise.
	(compute_laterin): Likewise.
	(compute_available): Likewise.
	(compute_nearerout): Likewise.
	* loop-doloop.c (doloop_modify): Likewise.
	* loop-init.c (loop_optimizer_init): Likewise.
	* loop-invariant.c (find_exits): Likewise.
	* loop-iv.c (simplify_using_initial_values): Likewise.
	(check_simple_exit): Likewise.
	(find_simple_exit): Likewise.
	* loop-unroll.c (peel_loop_completely): Likewise.
	(unroll_loop_constant_iterations): Likewise.
	(unroll_loop_runtime_iterations): Likewise.
	* loop-unswitch.c (may_unswitch_on): Likewise.
	(unswitch_loop): Likewise.
	* modulo-sched.c (generate_prolog_epilog): Likewise.
	(sms_schedule): Likewise.
	* postreload-gcse.c (eliminate_partially_redundant_load):
	Likewise.
	* predict.c (can_predict_insn_p): Likewise.
	(set_even_probabilities): Likewise.
	(combine_predictions_for_bb): Likewise.
	(predict_loops): Likewise.
	(estimate_probability): Likewise.
	(tree_predict_by_opcode): Likewise.
	(tree_estimate_probability): Likewise.
	(last_basic_block_p): Likewise.
	(propagate_freq): Likewise.
	(estimate_loops_at_level): Likewise.
	(estimate_bb_frequencies): Likewise.
	* profile.c (instrument_edges): Likewise.
	(get_exec_counts): Likewise.
	(compute_branch_probabilities): Likewise.
	(branch_prob): Likewise.
	* ra-build.c (live_in): Likewise.
	* ra-rewrite.c (rewrite_program2): Likewise.
	* ra.c (reg_alloc): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.
	(convert_regs_entry): Likewise.
	(compensate_edge): Likewise.
	(convert_regs_1): Likewise,
	(convert_regs_2): Likewise.
	(convert_regs): Likewise.
	* regrename.c (copyprop_hardreg_forward): Likewise.
	* reload1.c (fixup_abnormal_edges): Likewise.
	* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
	(sbitmap_insersection_of_preds): Likewise.
	(sbitmap_union_of_succs): Likewise.
	(sbitmap_union_of_preds): Likewise.
	* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
	(fix_basic_block_boundaries): Likewise.
	(sched_ebbs): Likewise.
	* sched-rgn.c (build_control_flow): Likewise.
	(find_rgns): Likewise.
	* tracer.c (find_best_successor): Likewise.
	(find_best_predecessor): Likewise.
	(tail_duplicate): Likewise.
	* tree-cfg.c (make_edges): Likewise.
	(make_ctrl_stmt_edges): Likewise.
	(make_goto_expr_edges): Likewise.
	(tree_can_merge_blocks_p): Likewise.
	(tree_merge_blocks): Likewise.
	(cfg_remove_useless_stmts_bb): Likewise.
	(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
	(tree_block_forwards_to): Likewise.
	(cleanup_control_expr_graph): Likewise.
	(find_taken_edge): Likewise.
	(dump_cfg_stats): Likewise.
	(tree_cfg2vcg): Likewise.
	(disband_implicit_edges): Likewise.
	(tree_find_edge_insert_loc): Likewise.
	(bsi_commit_edge_inserts): Likewise.
	(tree_split_edge): Likewise.
	(tree_verify_flow_info): Likewise.
	(tree_make_forwarder_block): Likewise.
	(tree_forwarder_block_p): Likewise.
	(thread_jumps): Likewise.
	(tree_try_redirect_by_replacing_jump): Likewise.
	(tree_split_block): Likewise.
	(add_phi_args_after_copy_bb): Likewise.
	(rewrite_to_new_ssa_names_bb): Likewise.
	(dump_function_to_file): Likewise.
	(print_pred_bbs): Likewise.
	(print_loop): Likewise.
	(tree_flow_call_edges_add): Likewise.
	(split_critical_edges): Likewise.
	(execute_warn_function_return): Likewise.
	(extract_true_false_edges_from_block): Likewise.
	* tree-if-conv.c (tree_if_conversion): Likewise.
	(if_convertable_bb_p): Likewise.
	(find_phi_replacement_condition): Likewise.
	(combine_blocks): Likewise.
	* tree-into-ssa.c (compute_global_livein): Likewise.
	(ssa_mark_phi_uses): Likewise.
	(ssa_rewrite_initialize_block): Likewise.
	(rewrite_add_phi_arguments): Likewise.
	(ssa_rewrite_phi_arguments): Likewise.
	(insert_phi_nodes_for): Likewise.
	(rewrite_into_ssa): Likewise.
	(rewrite_ssa_into_ssa): Likewise.
	* tree-mudflap.c (mf_build_check_statement_for): Likewise.
	* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
	(rewrite_trees): Likewise.
	* tree-pretty-print.c (dump_bb_header): Likewise.
	(dump_implicit_edges): Likewise.
	* tree-sra.c (insert_edge_copies): Likewise.
	(find_obviously_necessary_stmts): Likewise.
	(remove_data_stmt): Likewise.
	* tree-ssa-dom.c (thread_across_edge): Likewise.
	(dom_opt_finalize_block): Likewise.
	(single_incoming_edge_ignoring_loop_edges): Likewise.
	(record_equivalences_from_incoming_edges): Likewise.
	(cprop_into_successor_phis): Likewise.
	* tree-ssa-live.c (live_worklist): Likewise.
	(calculate_live_on_entry): Likewise.
	(calculate_live_on_exit): Likewise.
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
	(copy_loop_headers): Likewise.
	* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
	(fill_always_executed_in): Likewise.
	* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
	* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
	(compute_phi_arg_on_exit): Likewise.
	* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
	(get_loops_exit): Likewise.
	(split_loop_exit_edge): Likewise.
	(ip_normal_pos): Likewise.
	* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
	Likewise.
	* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
	(replace_phi_with_stmt): Likewise.
	(value_replacement): Likewise.
	* tree-ssa-pre.c (compute_antic_aux): Likewise.
	(insert_aux): Likewise.
	(init_pre): Likewise.
	* tree-ssa-propagate.c (simulate_stmt): Likewise.
	(simulate_block): Likewise.
	(ssa_prop_init): Likewise.
	* tree-ssa-threadupdate.c (thread_block): Likewise.
	(create_block_for_threading): Likewise.
	(remove_last_stmt_and_useless_edges): Likewise.
	* tree-ssa.c (verify_phi_args): Likewise.
	(verify_ssa): Likewise.
	* tree_tailcall.c (independent_of_stmt_p): Likewise.
	(find_tail_calls): Likewise.
	(eliminate_tail_call): Likewise.
	(tree_optimize_tail_calls_1): Likewise.
	* tree-vectorizer.c (vect_transform_loop): Likewise.
	* var-tracking.c (prologue_stack_adjust): Likewise.
	(vt_stack_adjustments): Likewise.
	(vt_find_locations): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
	* config/i386/i386.c (ix86_pad_returns): Likewise.
	* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.

2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR target/16532
	* config/sparc/sparc.c (struct machine_function): New field
	'leaf_function_p' and 'prologue_data_valid_p'.
	(sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
	to conveniently access the above fields.
	(TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
	(eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
	of the generic flavor 'current_function_uses_only_leaf_regs'.
	(eligible_for_sibcall_delay): Likewise.
	(sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
	'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
	(sparc_asm_function_prologue): Add sanity check for the assumption
	made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
	(sparc_can_use_return_insn_p): New function.
	(sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
	(output_restore): Likewise.
	(output_sibcall): Likewise.
	(sparc_output_mi_thunk): Likewise.
	* config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
	* config/sparc/sparc.md (return): New expander.

	* config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.

2004-09-27  Mark Mitchell  <mark@codesourcery.com>

	PR c++/17642
	* stor-layout.c (layout_decl): Use fold_convert, not convert.
	(bit_from_pos): Likewise.
	(byte_from_pos): Likewise.
	(pos_from_bit): Likewise.
	(normalize_offset): Likewise.
	(place_field): Likewise.
	(finalize_type_size): Likewise.
	(layout_type): Likewise.
	* tree.c (build_index_type): Likewise.

2004-09-27  Devang Patel  <dpatel@apple.com>

	* expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
	* genopinit.c (optabs): New entry for vcond_gen_code and
	vcondu_gen_code.
	* optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
	(get_rtx_code): New function.
	(vector_compare_rtx): New function.
	(init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
	(expand_vec_cond_expr_p): New function.
	(expand_vec_cond_expr): New function.
	(get_vcond_icode): New function.
	* optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
	(vcond_gen_code, vcondu_gen_code): Same.

2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>

	* Makefile.in (STAGESTUFF): Split into ...
	(STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
	(mostlyclean): Update.
	(stage1-start, stage2-start, stage3-start, stage4-start,
	stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
	Move the STAGEMOVESTUFF.

2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* system.h (getpagesize): Return 'int' instead of 'long'.

2004-09-27  Michael Matz <matz@suse.de>

	PR bootstrap/17698
	PR bootstrap/17702
	* bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
	bmp_iter_and_init): Shift by bit_in_word.

2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>

	* aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
	* configure.ac: Don't sinclude it here.
	* configure: Regenerate.

2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>

	* config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
	Handle AND pattern

2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/13804
	* c-typeck.c (build_component_ref): Name type involved in
	diagnostic for structure or union without a member of the given
	name.

2004-09-27  DJ Delorie  <dj@redhat.com>

	* config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
	.comm alignment is bytes, not bits.

2004-09-27  Devang Patel  <dpatel@apple.com>

	* tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
	(print_call_name): Do not print VEC_COND_EXPR.

2004-09-27  Devang Patel  <dpatel@apple.com>

	* tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.

2004-09-27  Jan Hubicka  <jh@suse.cz>

	* i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.

2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>

	* bitmap.h: Fix a comment typo.

2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

	* libgcc2.c (getpagesize): Change type of return value to int.

2004-09-26  Matt Austern  <austern@apple.com>

	* ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
	using mmap.

2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
	EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
	(bitmap_iterator): New type.
	(bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
	bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
	bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
	bmp_iter_and_init, bmp_iter_and_next): New functions.
	* basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
	EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
	use iterator-style EXECUTE_IF_IN_BITMAP macros.
	* bitmap.c (bitmap_print): Ditto.
	* bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
	btr_def_live_range): Ditto.
	* cfganal.c (compute_dominance_frontiers_1) Ditto.
	* cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
	Ditto.
	* ddg.c (build_inter_loop_deps): Ditto.
	* df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
	Ditto.
	* except.c (remove_eh_handler): Ditto.
	* flow.c (reg_set_to_hard_reg_set): Ditto.
	* gcse.c (clear_modify_mem_tables): Ditto.
	* global.c (build_insn_chain): Ditto.
	* ifcvt.c (dead_or_predicable): Ditto.
	* loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
	Ditto.
	* ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
	* ra-rewrite.c (reloads_to_loads, rewrite_program2,
	detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
	* tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
	tree_purge_all_dead_eh_edges): Ditto.
	* tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
	insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
	rewrite_ssa_into_ssa): Ditto.
	* tree-outof-ssa.c (find_replaceable_exprs): Ditto.
	* tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
	Ditto.
	* tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
	compute_flow_sensitive_aliasing, maybe_create_global_var,
	dump_points_to_info_for): Ditto.
	* tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
	* tree-ssa-dse.c (dse_finalize_block): Ditto.
	* tree-ssa-live.c (live_worklist, calculate_live_on_entry,
	calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
	Ditto.
	* tree-ssa-loop-ivopts.c (find_induction_variables,
	find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
	determine_use_iv_costs, determine_set_costs, find_best_candidate,
	set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
	Ditto.
	* tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
	* tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
	add_call_read_ops): Ditto.
	* tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.

2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
	UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.

2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>

	* builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
	reflect size of memory regions being compared.

2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>

	* builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
	expressions.  Always clear MEM_SIZE and alias set.

2004-09-26  Roger Sayle  <roger@eyesopen.com>
	    Giovanni Bajo  <giovannibajo@gcc.gnu.org>

	PR middle-end/17112
	* stor-layout.c (compute_record_mode): For records with a single
	field, only use the field's mode if its size matches what we'd
	have choosen for the record ourselves.  This forces the use of
	BLKmode for packed records that don't completely fill a mode.

2004-09-26  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/17151
	* combine.c (force_to_mode): Remove dubious early return test that
	inhibits further optimization.

2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>

	* profile.c: Fix a comment typo.

2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR bootstrap/17591
	* tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
	with varying offset.
	* tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
	(idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
	ARRAY_REFS.
	(expr_invariant_in_loop_p): New function.
	(idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
	component_ref_field_offset for COMPONENT_REFs.  Do not allow
	ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
	(add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
	MISALIGNED_INDIRECT_REFs.
	(idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
	(rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
	MISALIGNED_INDIRECT_REFs.

2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/11459
	* gcc.c (cpp_options, cc1_options): Preserve relative order of
	-std and -ansi options.

2004-09-26  Jan Hubicka  <jh@suse.cz>

	* dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
	for nested functions whose proper parent has not been output.

	* profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
	when re-constructing profile previously invalidated by loop.

2004-09-25  Dale Johannesen  <dalej@apple.com>

	* tree-gimple.c:  Move GIMPLE definition...
	* doc/tree-ssa.texi:  here.

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

	* c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
	gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
	lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
	tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-ssa-loop-unswitch.c: Fix a comment typo.

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/passes.texi: Fix a typo.

2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_record_bounds.
	* tree-pass.h (pass_record_bounds): Declare.
	* tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
	New pass.

2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR tree-optimization/17474
	* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
	offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.

2004-09-25  Jan Hubicka  <jh@suse.cz>

	* predict.c (counts_to_freqs): Make global.
	* predict.h (counts_to_freqa): Declare.
	* profile.c (compute_branch_probabilities): Compute frequencies
	* tree-profile.c (do_tree_profiling): Refine conditional on when
	tree profiling pass is needed.

	* passes.c (rest_of_handle_cfg): Disable const/pure function
	detection when doing tree based profiling.

	* tree-inline.c (expand_call_inline): Fix incorrectly reversed
	conditional.

2004-09-25  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (struct mips_args): Clarify comments.
	* config/mips/mips.c (struct mips_arg_info): Likewise.
	(mips_arg_info): Don't allow fpr_p to affect the register or
	stack alignment.  Remove o64 silliness.
	(function_arg): Deal with the o32 float,float case specially.

2004-09-25  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (loadx, storex): Define for V2SF.

2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
	* config/s390/s390.c (s390_back_chain_rtx): New function.
	* config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
	Call anti_adjust_stack.
	("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
	only if compiling with back chain.
	("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
	back chain only if back chain enabled.  Use s390_back_chain_rtx.

2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>

	* doc/trouble.texi: Remove obsolete information.  Update
	information on how to regenerate fixincluded headers.

2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/12951
	* doc/invoke.texi: Document that
	-Wno-error-implicit-function-declaration is not accepted.

2004-09-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
	* config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
	on TARGET_MAX.
	(alpha_expand_mov): Allow unaligned vectors.
	(alpha_expand_unaligned_store): Use CONST0_RTX.
	(TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.

2004-09-24 Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
	aliasing rules.
	(simplify_cond_and_lookup_avail_expr): Likewise.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/12802
	* doc/extend.texi (Unnamed Fields): Remove "." from end of long
	title.  Document interaction with -fms-extensions.
	* doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
	section.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/12713
	* doc/extend.texi: Document interaction of attribute noreturn and
	longjmp.

2004-09-24  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/17503
	* regclass.c (subregs_of_mode): Turn into an htab.  Make static.
	(som_hash, som_eq): New.
	(init_subregs_of_mode, record_subregs_of_mode): New.
	(cannot_change_mode_set_regs): Rewrite for htab implementation.
	(invalid_mode_change_p): Likewise.
	* combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
	* flow.c (mark_used_regs): Likewise.
	(life_analysis): Use init_subregs_of_mode.
	* regs.h (subregs_of_mode): Remove.
	* rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

	* tree-ssa-phiopt.c (conditional_replacement): Use the correct
	type with the copy of the conditional.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/16954
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Prevent renaming if the aliasing sets of the type which the
	pointer points to are different.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/17188
	* c-decl.c (diagnose_mismatched_decls): Check for duplicate
	declarations of enumerators.
	(start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
	for redefinition.  Check for nested redefinition.
	(finish_struct): Don't check for nested redefinition.
	(start_enum): Check for nested redefinition.

2004-09-24  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
	only when necesssary.
	(combine_blocks): Combine loop header and exit block.

2004-09-24  Paolo Bonzini  <bonzini@gnu.org>

	* hooks.c (hook_tree_tree_bool_null): New.
	* hooks.h (hook_tree_tree_bool_null): Declare it.
	* target-def.c (TARGET_FOLD_BUILTIN): Point to it.
	* targhooks.c (default_fold_builtin): Remove.
	* targhooks.h (default_fold_builtin): Remove.

2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR rtl-optimization/17625
	* loop-doloop.c (doloop_modify): Unshare rtl before emitting it.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/17624
	* tree-ssa-forwprop.c (record_single_argument_cond_exprs):
	Reject if any of the operands occur in an abnormal PHI.

2004-09-24  Andreas Schwab  <schwab@suse.de>

	* tree-ssa-dom.c (record_range): Fix violation of strict aliasing
	rules.

2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
	if the GNU assembler is used.
	(sparc-*-solaris2*): Likewise.
	* dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
	(dbxout_function_end): Protect N_ENSYM with it.
	(dbxout_begin_prologue): Protect N_BNSYM with it.
	* doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
	* config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
	* config/sparc/sol2-gas.h: New file.

2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/17369
	* Makefile.in (@set_gcc_lib_path@): Added.

	* configure.ac: Include ../config/gcc-lib-path.m4. Use
	TL_AC_GNU_MAKE_GCC_LIB_PATH.
	* configure: Regenerated.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/6980
	* c-typeck.c (build_c_cast): Improve wording of
	-Wbad-function-cast diagnostic.

2004-09-23  Hans-Peter Nilsson  <hp@axis.com>

	PR target/17626
	* config/cris/cris.md (moverside, movemside): Rename variable
	"reg" to "otherop".  To generate canonical RTX, check that otherop
	isn't constant instead of checking that operand 1 is a register.

2004-09-23  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.

2004-09-23  Diego Novillo  <dnovillo@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* tree-flow.h (find_new_referenced_vars): Add prototype.
	* tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
	Move to...
	* tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
	... here.
	(mark_new_vars_to_rename): Walk through all operands.
	* tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
	(execute_fold_all_builtins): Use it.
	(pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.

2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>

	* gthr-tpf.h: New file.
	* config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
	* gthr.h: Use gthr-tpf.h on TPF OS.

2004-09-23 Jeff Law  <law@redhat.com>

	* tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
	than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
	(substitute_and_fold):  Likewise.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
	except invariants from SSA_NAME_VALUE.
	(thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
	and SET_SSA_NAME_EQUIV.
	(restore_vars_to_original_value, record_const_or_copy): Likewise.
	(record_equivalences_from_phis, record_const_or_copy_1): Likewise.
	(record_equality, cprop_into_successor_phis): Likewise.
	(record_equivalences_from_stmt, cprop_operand): Likewise.
	(lookup_avail_expr): Likewise.
	* tree-ssa-pre.c (fini_pre): Remove everything except invariants
	from SSA_NAME_VALUE.
	* tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
	(struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
	annotation from the VALUE_HANDLE field.

2004-09-21 Fariborz Jahanian <fjahanian@apple.com>

	PR c++/13989
	PR c++/9844
	* tree.c (reconstruct_complex_type): Remove extra "this".
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
	Add V4SFmode to case statement.

2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/16833
	* doc/extend.texi, doc/invoke.texi: Document interaction of
	-fno-builtin with format checks.  Note that built-in functions
	have effects beyond generating code that avoids calls to those
	functions.

2004-09-23  Frank Ch. Eigler <fche@redhat.com>

	PR tree-optimization/17533
	* dominance.c (verify_dominators): Tolerate even more incorrect
	dominance data during error message printing.
	* tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
	and edges more correctly.

2004-09-23  Dorit Naishlos <dorit@il.ibm.com>

	* tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
	New tree-codes.
	* tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
	MISALIGNED_INDIRECT_REF.
	* alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
	* emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
	Likewise.
	* expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
	(find_interesting_uses_address): Likewise.
	* fold-const.c (non_lvalue, operand_equal_p): Likewise.
	(build_fold_addr_expr_with_type): Likewise.
	* gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
	* print-rtl.c (print_mem_expr): Likewise.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-eh.c (tree_could_trap_p): Likewise.
	* tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
	* tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
	* tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
	Likewise.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
	* tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
	(add_address_candidates, rewrite_address_base): Likewise.
	* tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
	Likewise.
	* tree.c (staticp, build1_stat): Likewise.

	* tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
	* tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* expr.c (expand_expr_real_1): Likewise.

	* optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
	optabs.
	(OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
	for the new optabs.
	(expand_ternary_op): New function.
	* genopinit.c (optabs): Handle the new optabs.
	* optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
	(init_optabs): Initialize vec_realign_load_optab.
	(expand_ternary_op): New functions.

	* target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
	(TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
	(TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
	(TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
	* target.h (struct vectorize): New member for struct gcc_target.
	(misaligned_mem_ok): New member for targetm.vectorize.
	(builtin_mask_for_load): Likewise.
	(builtin_mask_for_store): Likewise.
	* targethooks.c (default_vect_misaligned_mem_ok): New function.
	* targethooks.h (default_vect_misaligned_mem_ok): New function.

	* config/rs6000/altivec.md (build_vector_mask_for_load): New
	define_expand.
	(vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
	(vec_realign_load_v16qi): New define_insn.
	* config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
	(ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
	* config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
	(altivec_builtin_mask_for_store): New variables.
	(rs6000_builtin_mask_for_load): New function. Implements
	TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
	(rs6000_builtin_mask_for_store): New function. Implements
	TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
	(rs6000_expand_builtin): Expand the target builtins
	builtin_mask_for_load and builtin_mask_for_store.
	(altivec_init_builtins): Initialize the new target builtins.
	* config/i386/i386.c (ix86_misaligned_mem_ok): New function.
	Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.

	* tree-vectorizer.c (vect_create_data_ref): Renamed to
	vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
	(vect_create_addr_base_for_vector_ref): Additional argument (offset).
	(vectorizable_store): Call vect_create_data_ref_ptr with additional
	arguments, and create an indirect_ref with its return value data_ref.
	Check aligned_access_p.
	(vectorizable_load): Handle misaligned loads, using software-pipelined
	scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
	vec_realign_load_optab is supported, or using a scheme without
	software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
	misaligned_mem_ok is supported.

	(vect_finish_stmt_generation): Typo.
	(vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
	(vect_analyze_data_refs_alignment): Don't fail vectorization in the
	presence of misaligned loads.
	(vect_analyze_data_ref_access): Add check for constant init.
	(vect_get_symbl_and_dr): Remove duplicate line.
	* tree-vectorizer.h (DR_MISALIGNMENT): Add comment.

2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>

	* builtins.c: Fix a comment typo.

2004-09-23  Jan Hubicka  <jh@suse.cz>

	* profile.c (branch_prob): Do not verify flow info in the middle of the
	pass.

2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* cfgloop.h (update_single_exits_after_duplication): Declare.
	(loopify, split_loop_bb): Declaration changed.
	* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
	of rtx.
	(loopify): Added redirect_all_edges argument.
	(update_single_exits_after_duplication): Export.
	* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
	* tree-flow.h (tree_duplicate_loop_to_header_edge,
	tree_ssa_loop_version): Declare.
	* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
	set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
	lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
	lv_update_pending_stmts, tree_ssa_loop_version): New functions.

	* tree-ssa-loop-unswitch.c: New file.
	* Makefile.in (tree-ssa-loop-unswitch.o): Add.
	* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
	* tree-flow.h (tree_ssa_unswitch_loops): Declare.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
	* tree-pass.h (pass_unswitch): Declare.
	* tree-ssa-loop.c (tree_ssa_loop_unswitch,
	gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
	* doc/passes.texi: Documen tree level loop unswitching.

2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>

	* cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.

2004-09-22  Eric Christopher  <echristo@redhat.com>

	* builtins.c (simplify_builtin_va_start): Remove.
	(simplify_builtin): Ditto.
	(fold_builtin_strchr): Ditto.
	(simplify_builtin_*): Rename remainders to fold_builtin_*.
	(expand_builtin): Fix up for above changes.
	(fold_builtin_1): Add new folders. Change for above.
	(expand_builtin_va_start): Call fold_builtin_next_arg.
	* gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
	* tree.h: Remove prototype for simplify_builtin.

2004-09-23  Jan Hubicka  <jh@suse.cz>

	PR debug/17389
	* dwarf2out.c (dwarf2out_finish): Deal with nested functions
	of fully inlined functions.
	* tree-inline.c (inline_forbidden_p_1): Nested functions can be
	inlined.

	* cfgexpand.c (add_reg_br_prob_note): New function.
	(expand_gimple_cond_expr): Use it.
	(tree_expand_cfg): No longer kill the profile.
	* cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
	only if it is present.
	* passes.c (rest_of_handle_loop_optimize): Kill the profile.
	* predict.c (combine_predictions_for_insn): Set the probabilities
	based on REG_BR_PROB note if present.
	* predict.c (branch_prob): Profile is read only with
	flag_branch_probabilities.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

	* aclocal.m4: Add in gettext's m4 includes.
	(AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
	* configure.ac: Add in check for iconv.h
	* configure: Regenerate.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

	* aclocal.m4: Update for rename of gettext-sister.m4.

2004-09-22  Daniel Berlin <dberlin@dberlin.org>

	Fix PR tree-optimization/17587
	* tree-ssa-pre.c (fini_pre): Commit edge inserts here.
	(insert_aux): Instead of here.

2004-09-22  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/16721
	* tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
	* tree-ssa-alias.c (create_memory_tag): Move setting of
	TREE_THIS_VOLATILE ...
	(get_tmt_for): ... here.

2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.md (cmove splitter): Fix formatting.
	(conditional_trap expander): Reject inappropriate CCmodes.
	(conditional trap insn): Use V9 syntax if possible.

2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/16566
	* c-typeck.c (build_component_ref): Don't special-case
	COMPOUND_EXPR.

2004-09-22  Frank Ch. Eigler  <fche@redhat.com>

	* dominance.c (verify_dominators): Don't SEGV if recount_dominator
	returns NULL.

2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
	TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
	TRUTH_XOR_EXPR): Mention the restriction on types.

2004-09-22  Matt Austern  <austern@apple.com>

	* config/darwin.c (darwin_make_decl_one_only):
	Allow coalesced symbol to appear in static archive's table of contents

2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>

	PR tree-optimization/17512
	* convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
	special cases.

2004-09-22  David Edelsohn  <edelsohn@gnu.org>

	* dbxout.c (get_lang_number): Do not define if
	DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.

2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>

	PR target/15583
	* config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
	builtin_define ("__USE_INIT_FINI__").

2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>

	* config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
	* config/s390/s390.c (s390_emit_tpf_eh_return): New function.
	* config/s390/s390.h (TARGET_TPF): New macro.
	* config/s390/s390.md ("eh_return"): New expander.
	* config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
	unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
	(LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
	* config/s390/tpf.h (TARGET_TPF): Define to 1.
	(STACK_POINTER_OFFSET): Increase to 448.
	(TARGET_DEFAULT): Set -mtpf-trace on as default.
	(TPF_LOC_DIFF_OFFSET): New macro.
	(ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
	encoding.
	(__isPATrange): Add prototype.
	(MD_FALLBACK_FRAME_STATE_FOR): Define.
	* config/s390/tpf-eh.c: New file.

2004-09-22  Diego Novillo  <dnovillo@redhat.com>

	* fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
	operands in an integer comparison.
	* tree-cfg.c (find_taken_edge): Call fold() to determine
	whether the predicate is known.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

	* aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
	* configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
	Create build and doc directories along with the language directories.
	Don't create doc directory separately.
	* configure: Regenerate.
	* Makefile.in: Create all object and executables files built
	with the build compiler in a build/ directory.
	(genobjnames): Add missing build objects.
	(STAGESTUFF): Don't stage the gen* programs.
	(ggc-none.o): Define dependencies for the target compiler.
	(build-print-rtl.o): Rename to build/print-rtl.o.
	(build-errors.o): Rename to build/errors.o.
	(build-varray.o): Rename to build/varray.o.
	(maintainerclean): Delete the contents of the build directory.
	($(genobjs): %.o): Explicitly use -o.
	(build/insn-conditions.o): Delete specfic rule to use generic rule.
	(build/gengtype-lex.o): Likewise.
	(build/gengtype-yacc.o): Likewise.
	(build/gcov-iov.o): Likewise.

2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>

	* vec.h (VEC_space): Return true if there _is_ space.
	(VEC_reserve): Adjust.

2004-09-22  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
	use FPRs for scalar, complex and vector types only.

2004-09-21 Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (opt_stats): Move so that it lives just after
	the opt_stats_d structure.
	(vrp_data): Change from a varray into a hash table.
	(vrp_hash_elt): New structure for elements in the vrp hash table.
	(vrp_hash, vrp_eq):New functions for hashing and testing equality
	in the vrp hash table.
	(tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
	initialization slightly to make it easier to read.  No longer need
	to grow/clear the varray.  Instead empty and delete the hash table.
	(dom_opt_finalize_block): Update due to change of VRP_DATA from
	a varray to a hash table.
	(simplify_cond_and_loop_avail_expr, record_range): Similarly.

	* tree-ssa-ccp.c (get_default_value): If we have a constant
	value recorded for an SSA_NAME, then use that constant as
	the initial lattice value.
	(substitute_and_fold): Transfer equivalences discovered into
	SSA_NAME_EQUIV.

	* tree.h (SSA_NAME_EQUIV): Add comments.
	(SET_SSA_NAME_EQUIV): Similarly.

2004-09-21  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.

	* config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.

2004-09-21  Mark Mitchell  <mark@codesourcery.com>

	* c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
	(finish_decl): Likewise.

2004-09-21  Devang Patel  <dpatel@apple.com>

	* tree.def (VEC_COND_EXPR): New tree node.
	* tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.

2004-09-21  Stan Shebs  <shebs@apple.com>

	* config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
	* config/rs6000/darwin-world.asm: Likewise.

2004-09-21  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa.c (verify_def): Use print_generic_stmt,
	not debug_generic_stmt.
	(verify_use): Ditto.
	(verify_phi_args): Ditto.
	(verify_ssa): Ditto.

2004-09-21  Paul Brook  <paul@codesourcery.com>

	* varasm.c (default_assemble_integer): Return false for values wider
	than the target word size.  Works around GAS bug.

2004-09-21  Zack Weinberg  <zack@codesourcery.com>

	* reg-notes.def (REG_DEP_TRUE): New entry, place first so it
	gets value 0.
	* print-rtl.c (print_rtx): Print the name of a REG_NOTE even
	if it has value 0.

2004-09-21  Daniel Berlin <dberlin@dberlin.org>

	* c-typeck.c (build_function_call): Give name of object
	we are attempting to call in error message.
	* c-objc-common.c (c_tree_printer): Call pp_expression,
	not return false, for 'E' case.

2004-09-21  Steven Bosscher  <stevenb@suse.de>

	PR rtl-optimization/17482
	* postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
	load_killed_in_block_p): Clarify comments.
	(record_last_reg_set_info): Make static inline.
	(mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
	(record_opr_changes): New function to replace the above.
	(compute_hash_table): Clarify comments.  Use record_opr_changes.
	(reg_set_between_after_reload_p): Clean up.
	(reg_used_between_after_reload_p): Likewise.
	(eliminate_partially_redundant_load): Clarify comments.

2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR rtl-optimization/17266
	* regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.

2004-09-21  Uros Bizjak  <uros@kss-loka.si>

	PR rtl-optimization/14851
	* rtlanal.c (commutative_operand_precedence): Calculate
	precedence of stripped constant.

2004-09-20 Jeff Law  <law@redhat.com>
	   Jan Hubicka  <jh@suse.cz>

	* tree-ssanames.c (make_ssa_name): No longer need to clear, then
	initialize key elements here.
	(release_ssa_name): Zero the released SSA_NAME here.
	* tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
	(struct tree_ssa_name): Add new "equiv" field.
	* tree-ssa-dom.c (const_and_copies): Kill the global varray.
	(tree_ssa_dominator_optimize): No longer allocate, resize or
	clear CONST_AND_COPIES.
	(get_value_for, set_value_for): Kill.
	(thread_across_edge): Get/set the equivalency using
	SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
	(restore_vars_to_original_value): Likewise.
	(record_equivalences_from_phis): Likewise.
	(record_dominating_conditions): Likewise.
	(record_const_or_copy, record_equality): Likewise.
	(lookup_avail_expr): Likewise.
	(record_equivalences_from_stmt, cprop_operand): Likewise.
	(cprop_into_successor_phis): No longer need to pass around
	CONST_AND_COPIES.  Callers updated. Get equivalences via
	SSA_NAME_EQUIV.
	(cprop_into_phis): Likewise.

2004-09-20  Matt Austern <austern@apple.com>
	    Zack Weinberg  <zack@codesourcery.com>

	* c-common.c (fix_string_type): Build the unqualified array
	type unconditionally, then use c_build_qualified_type to get
	the proper const-qualified variant, and set its
	TYPE_MAIN_VARIANT to refer to the unqualified type.
	* c-lex.c (c_lex_return_raw_string): New global.
	(c_lex_with_flags): Honor it.
	* c-pragma.h: Declare it.

2004-09-20  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).

2004-09-21  Jan Hubicka  <jh@suse.cz>

	PR middle-end/17126
	* tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
	(tree_rest_of_compilation): Cleanup.

2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.c (s390_select_rtx_section): Remove.
	(TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.

2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
	note to pretend a direct save from the original register when an
	intermediate register is used for the save.

2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* tsystem.h (alloca): Provide a default definition.

	Revert:
	2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
	    * unwind-dw2.c: Call __builtin_alloca, not alloca.

2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/17558
	* tree-ssa-copy.c (may_propagate_copy): Only allow if the
	aliasing sets are the same rather than just conflicting.

2004-09-20  Jan Hubicka  <jh@suse.cz>

	PR middle-end/16460

	* cgraph.c (cgraph_unnest_node): New function.
	(c_finalize): Rename to ....
	(c_warn_unused_result_recursivly): ... this one; do only the warning
	(finish_function): Finalize the toplevel function; do not lower nested tree.
	* cgraph.h (cgraph_unnest_node): Declare.
	* cgraphunit.c (decide_is_function_needed): Do not use cgraph
	nestedness datastructure.
	* cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
	* reload1.c (set_label_offsets): Fix call of set_label_offsets.
	* tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.

2004-09-20  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
	from some_small_symbolic_operand_1; export.
	(some_small_symbolic_operand): Remove.
	* config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
	extra C check.
	* config/alpha/predicates.md (some_small_symbolic_operand): New.

2004-09-20  Jan Hubicka  <jh@suse.cz>

	* predict.c (return_prediction): New function.
	(apply_return_prediction): Likewise.
	(tree_bb_level_predictions): Likewise.
	(tree_estimate_probability): Add noreturn exit edges; call
	bb_level_predictions; fix logic of return heuristics.
	(predict_paths_leading_to):  Rescuesce from old CVS version of
	process_note_prediction function.
	* predict.def (PRED_TREE_EARLY_RETURN): New predictor.

2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_frame_info): Added alignment statement for
	floating point register area on stack.

2004-09-20  Jakub Jelinek  <jakub@redhat.com>

	* predict.c (expr_expected_value): Use *_CLASS_P macros.

2004-09-20  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
	generating useless garbage.

2004-09-20  Paolo Bonzini  <bonzini@gnu.org>

	* builtins.c (fold_builtin): Call the new omonymous
	target hook for machine-dependent built-ins.
	* target-def.h (TARGET_FOLD_BUILTIN): New.
	* target.h (struct gcc_target): Add the fold_builtin hook.
	* targhooks.c (default_fold_builtin): New.
	* targhooks.h (default_fold_builtin): Declare it.

2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>

	* cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
	comment typos.

2004-09-20  Richard Sandiford  <rsandifo@redhat.com>

	PR target/17565
	* config/mips/mips.md (define_asm_attributes): Set can_delay to no.

2004-09-20  Jan Hubicka  <jh@suse.cz>

	* predict.c (estimate_probability): Remove unnecesary code.

2004-09-19  Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
	(STMT_VINFO_VECT_DR_BASE): Declare.
	(VECT_SMODULO): Declare.
	* tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
	(vect_compute_array_base_alignment): New function.
	(vect_analyze_data_ref_access): Check array indices. Remove one
	dimensional arrays restriction.
	(vect_get_ptr_offset): New function.
	(vect_get_symbl_and_dr): New function.
	(vect_get_base_and_bit_offset): Support additional data refs. Renamed
	(former name vect_get_base_decl_and_bit_offset).
	(vect_create_index_for_array_ref): Removed.
	(vect_create_index_for_vector_ref): New function.
	(vect_create_addr_base_for_vector_ref): New function.
	(vect_create_data_ref): Handle additional data refs. Call
	vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
	(vect_compute_data_ref_alignment): Support the changes. Call
	vect_get_base_and_bit_offset.
	(vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
	data refs. Store vect_dr_base.
	(vect_analyze_data_ref_accesses): Support nonconstant init.
	(new_stmt_vec_info): Initialize vect_dr_base field.
	(vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
	(get_vectype_for_scalar_type): Check for BLKmode.
	* tree-chrec.h (initial_condition_in_loop_num): Declare.
	* tree-chrec.c (initial_condition_in_loop_num): New function.
	(chrec_component_in_loop_num): New function.
	(evolution_part_in_loop_num): Call chrec_component_in_loop_num.
	* tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
	to be pointer to varray_type.

2004-09-19  Jan Hubicka  <jh@suse.cz>

	* basic-block.h (update_bb_profile_after_threading): Declare.
	* cfg.c (update_bb_profile_after_threading): Break out from ...
	* cfgcleanup.c (try_forward_edges): ... here; use it.
	* tree-ssa-dom.c (thread_across_edge): Use it.
	* tree-ssa-threadupdate.c (create_block_for_threading): Zero out
	profile of the new BB.

2004-09-19  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-pre.c (insert_into_set): Don't put
	is_gimple_min_invariant values into the set.

2004-09-19  Andreas Jaeger  <aj@suse.de>

	* tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
	prototype.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

	* config/cris/cris.h: Preserve the original spelling in a
	quote.

2004-09-18 Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
	global varrays to replace the block local varrays.
	(struct dom_walk_block_data): Remove, no longer used.
	(get_eq_expr_value): No longer need to pass around pointers to local
	varrays.  Callers updated.  Unused markers added to unused parameters.
	(record_range, record_equivalences_from_stmt): Likewise.
	(record_equivalences_from_incoming_edge): Likewise.
	(record_var_is_nonzero): Likewise.  Update now that we have a
	single global varray of SSA_NAMEs that need restoring.
	(dom_opt_initialize_block_local_data): Kill, no longer used.
	(tree_ssa_dominator_optimize): Initialize new global varrays.
	Update callbacks in dominator walker structure.
	(dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
	VRP_VARIABLES_STACK.
	(restore_nonzero_vars_to_original_value): Update now that we have
	a single global varray of SSA_NAMEs that need restoring.
	(dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
	Remove unused variables.
	(optimize_stmt): Remove unused variable.

2004-09-18  Jan Hubicka  <jh@suse.cz>

	* tree-cfg.c (thread_jumps):  Fix updating of the profile.

	* tree-optimize.c (tree_rest_of_compilation): Kill forgotten
	verify_cgraph call.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

	* alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
	gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
	optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
	tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
	tree-ssa-operands.c, tree-ssa-phiopt.c,
	tree-ssa-threadupdate.c: Fix comment typos.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

	* config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
	config/arm/README-interworking, config/arm/arm-cores.def,
	config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
	config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
	config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
	config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
	config/frv/frv.md, config/i386/winnt.c,
	config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
	config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
	config/m68hc11/m68hc11.md, config/m68k/m68k.c,
	config/mcore/mcore.c, config/mips/mips.h,
	config/mn10300/mn10300.md, config/pa/pa.c,
	config/pa/pa64-regs.h, config/pdp11/pdp11.c,
	config/rs6000/rs6000.c, config/sh/symbian.c,
	config/sparc/sparc.h: Fix comment typos.  Follow spelling
	conventions.

2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/17424
	* c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.

2004-09-18  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-alias.c (setup_pointers_and_addressables): Don't
	remove TREE_ADDRESSABLE from RESULT_DECL.

2004-09-18  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.

2004-09-18  Jan Hubicka  <jh@suse.cz>

	* tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
	NULL.
	* tree-ssa-alias.c (init_alias_info): Likewise.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
	(verify_ssa): Likewise.
	* tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.

2004-09-18  Jan Hubicka  <jh@suse.cz>

	* i386.c (legitimize_pic_address): Fix splitting of PLUS with
	huge offset.

2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
	* config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
	DW_EH_PE_sdata* for data.
	(ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.

2004-09-17  Geoffrey Keating  <geoffk@apple.com>

	* tree-inline.c (copy_tree_r): Don't duplicate constants, they're
	shared anyway.

	PR pch/13361
	* c-typeck.c (constructor_asmspec): Delete.
	(struct initializer_stack): Delete field 'asmspec'.
	(start_init): Delete saving of asmspec.
	(finish_init): Don't update constructor_asmspec.
	* dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
	* stmt.c (expand_asm): Duplicate strings from tree.
	(expand_asm_operands): Likewise.
	* tree.c (tree_size): Update computation of size of STRING_CST.
	(make_node): Don't make STRING_CST nodes.
	(build_string): Allocate string with tree node.
	(tree_code_size): Clean up assertions, don't allow requests
	for "the size of a STRING_CST".
	* tree.def (STRING_CST): Update comment.
	* tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
	(tree_string): Place contents of string in tree node.
	* config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
	from tree.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

	* Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
	* objc/Make-lang.in (objc/objc-parse.o): Likewise.

2004-09-17  Jones Desougi  <jones@ingate.com>

	* configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
	* configure, config.in: Regenerate.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

	* tree.c, tree.h (tree_class_strings): Make array const.
	Reindent per coding convention.  Move asterisk to proper place
	per coding convention.

2004-09-18  Andreas Schwab  <schwab@suse.de>

	* Makefile.in (gimple-low.o): Depend on $(EXPR_H).
	(tree-vectorizer.o): Likewise.
	(targhooks.o): Likewise.

2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
	    Zack Weinberg  <zack@codesourcery.com>

	* alias.c (find_base_decl): Remove unreachable case '3' block.
	* expr.c (safe_from_p): Abort if passed a type.
	* tree-gimple.c (recalculate_side_effects): Abort if passed
	anything other than an expression.
	* tree-ssa-pre.c (phi_translate): Return expr immediately if
	is_gimple_min_invariant is true for it.  Reorder cases for clarity.
	Abort on un-handled tree classes.
	(valid_in_set): Likewise.
	* tree.c (tree_code_class_strings): New static data.

	* tree.h (enum tree_code_class): New.
	(tree_code_class_strings): Declare.
	(TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
	(REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
	(STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
	(TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
	(checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.

	* tree.def, c-common.def, objc/objc-tree.def: Use
	tree_code_class enumeration constants instead of code letters.

	* alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
	* c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
	* emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
	* langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
	* tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
	* tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
	* tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
	* tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
	* tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
	* tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
	* tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
	* config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
	* config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
	Update to match.

	* LANGUAGES: Add note about change.

2004-09-17  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/17319
	* tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
	examine pointers on the LHS of an assignment.
	(collect_points_to_info_r): Handle RETURN_EXPR.

2004-09-17 Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (const_and_copies_stack): New.
	(dom_walk_block_data): Remove const_and_copies field.
	(record_const_or_copy): No longer need to pass in varray_type *.
	Use CONST_AND_COPIES_STACK rather than passed in block local stack.
	Callers updated.
	(record_equality): Similarly.
	(restore_vars_to_original_value): Similarly.  Revamp to use new
	single global stack rather than per-block stacks.
	(tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
	(thread_across_edge): Remove now unused parameters.
	(dom_opt_initialize_block_local_data): No longer test the block
	local CONST_AND_COPIES.
	(dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.

2004-09-17  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/17509
	* tree-optimize.c (update_inlined_to_pointers): New function.
	(tree_rest_of_compilation): Use it.

2004-09-17  Devang Patel  <dpatel@apple.com>

	* dbxout.c (get_lang_number): New.
	(dbxout_init): Include lang number in N_SO  stab.
	* dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
	N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.

2004-09-17  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/17273
	* tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
	replacement is a constant.

2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (enum c_typespec_keyword): New.
	(struct c_declspecs): Adjust description of "type".  Remove
	specbits, explicit_int_p and explicit_char_p.  Rename
	typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
	short_p, signed_p, unsigned_p and complex_p.
	(finish_declspecs): New.
	* c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
	typename): Call finish_declspecs.
	* c-decl.c (finish_declspecs): New.
	(declspecs_add_type): Check for combinations which cannot occur in
	valid specifier lists.  Update comments.
	(shadow_tag_warned): Remove checks done in finish_declspecs.
	Don't report useless type name if type defaulted to int.
	(grokdeclarator): Remove checks and actions done in
	finish_declspecs.  Don't allow for type being NULL.  Update for
	datastructures changes.  Initialize decl_attr.
	(build_null_declspecs, quals_from_declspecs): Update for
	datastructures changes.

2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>

	* doc/extend.texi: Fix duplicated word.

2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>

	* doc/invoke.texi: Remove stray explanation on
	-freduce-all-givs and -fmove-all-movables.

2004-09-17  James Morrison  <phython@gcc.gnu.org>

	* doc/cfg.texi: Use @smallexample.
	* doc/md.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.
	* doc/extend.texi: Likewise.  Use @r{} in comments.
	* doc/trouble.texi: Use @r{} in comments.

2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>

	* configure.ac (gcc_cv_gld_version): Handle whitespace before
	"VERSION=".
	* aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
	* configure: Regenerate.

2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>

	* sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
	(sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
	* t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
	* t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
	slashes in substitutions.
	(MULTILIB_DIRNAMES): Remove defunct removal of /media32.

2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>

	* basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
	gimplify.c, lambda-code.c, optabs.c, predict.c,
	tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
	tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
	conventions.

2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
	doc/extend.texi, doc/install.texi, doc/invoke.texi,
	doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
	doc/trouble.texi: Use @option around options.

2004-09-17  Richard Sandiford  <rsandifo@redhat.com>

	* Makefile.in (gen-protos.o): Depend on errors.h.

2004-09-17  Steven Bosscher  <stevenb@suse.de>

	PR tree-optimization/17513
	* cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
	for successors of the entry block.

2004-09-17  Uros Bizjak  <uros@kss-loka.si>

	PR rtl-optimization/15187
	* ifcvt.c (noce_try_cmove_arith): Exit early if total
	insn_rtx_cost of both branches > BRANCH_COST

2004-09-16  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/17528
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
	erase the may-alias set for a tag when merging it with
	another.

2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (call): Extend 32-bit addresses to DImode
	for 32-bit TARGET_SHMEDIA.
	(call_value): Likewise.

2004-09-16  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-operands.c (add_call_clobber_ops): Make read-only
	test apply only to TREE_STATIC and DECL_EXTERNAL.

2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
	* basic-block.h (get_dominated_by_region): Declare.
	* dominance.c (get_dominated_by_region): New function.
	* tree-cfg.c: Include cfglayout.h.
	(tree_duplicate_bb): Duplicate also phi nodes.
	(struct ssa_name_map_entry): New type.
	(add_phi_args_after_copy_bb, add_phi_args_after_copy,
	ssa_name_map_entry_hash, ssa_name_map_entry_eq,
	allocate_ssa_names, rewrite_to_new_ssa_names_def,
	rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
	rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
	* tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
	add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
	rewrite_to_new_ssa_names, allocate_ssa_names,
	rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
	* tree-ssa-loop-ch.c (duplicate_blocks): Removed.
	(copy_loop_headers): Use tree_duplicate_sese_region.

2004-09-16  Frank Ch. Eigler  <fche@redhat.com>

	* profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.

2004-09-16 Jeff Law  <law@redhat.com>

	* tree-into-ssa.c (block_defs_stack): New toplevel varray.
	(rewrite_block_data): Remove, no longer used.
	(rewrite_initialize_block_local_data): Remove, no longer used.
	(rewrite_initialize_block): Mark parameters as unused as needed.
	Change references to the block local block_defs to be block_defs_stack.
	Push a marker onto the block_defs_stack.
	(ssa_rewrite_initialize_block): Similarly.
	(rewrite_stmt, ssa_rewrite_stmt): Similarly.
	(ssa_register_new_def): No longer needs varray argument.  Use
	block_defs_stack instead.  No longer handle possibly null block_defs
	varray.  Reverse order of items we push on the stack to make it
	easier to identify our marker.
	(register_new_def): No longer handle possibly null block_defs
	varray.
	(rewrite_finalize_block): Revamp to look for markers in the global
	block_defs_stack varray rather than wiping a block local varray.
	Mark arguments as unused as needed.
	(ssa_rewrite_finalize_block): Similarly.
	(rewrite_into_ssa): Update initialization of dom walker structure
	to reflect that we don't need block local data anymore.  Initialize
	the block_defs_stack varray.
	(rewrite_ssa_into_ssa): Similarly.
	* tree-ssa-dom.c (block_defs_stack): New toplevel varray.
	(struct dom_walk_data): Kill block_defs field.
	(tree_ssa_dominator_optimize): Initialize block_defs_stack.
	(thread_across_edge): Use the global block_defs_stack instead of
	the old block_defs varray.
	(dom_opt_initialize_block_local_data): Update now that we don't have
	block_defs field to check anymore.
	(dom_opt_initialize_block): Push a marker onto block_defs_stack.
	(restore_currdefs_to_original_value): Use the new block_defs_stack
	instead of a block local varray.
	(dom_opt_finalize_block): Similarly.
	(record_equivalencs_from_phis): Similarly.
	(optimize_stmt, register_definitions_for_stmt): Similarly.

2004-09-16  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/17517
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce same-root variables without checking for abnormal PHI usage.

2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

	* cfgloop.h (duplicate_loop):  Add prototype.
	* cfgloopmanip.c (duplicate_loop): Make non-static.
	* lambda-code.c (perfect_nestify): Factor out test whether
	we can handle this loop into separate function.
	Call it.
	(can_convert_to_perfect_nest): New function.
	(replace_uses_of_x_with_y): Add modify_stmt call.
	* tree-loop-linear.c (linear_transform_loops): Call
	rewrite_into_loop_closed_ssa and free_df.

2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
	loop invariant as well.
	(perfect_nestify): new function.
	(gcc_loop_to_lambda_loop): New parameters to track lower bounds,
	upper bounds, and steps.
	Set outerinductionvar properly.
	(gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
	parameters.
	Return NULL if we need a perfect loop and can't make one.
	(lambda_loopnest_to_gcc_loopnest): Correct algorithm.
	(not_interesting_stmt): New function.
	(phi_loop_edge_uses_def): Ditto.
	(stmt_uses_phi_result): Ditto.
	(stmt_is_bumper_for_loop): Ditto.
	(perfect_nest_p): Ditto.
	(nestify_update_pending_stmts): Ditto.
	(replace_uses_of_x_with_y): Ditto.
	(stmt_uses_op): Ditto.
	(perfect_nestify): Ditto.
	* lambda-mat.c (lambda_matrix_id_p): New function.
	* lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
	* lambda.h: Update prototypes.
	* tree-loop-linear (linear_transform_loop): Use new
	perfect_nest_p. Detect and ignore identity transform.
	* tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.

2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>

	* tree-loop-linear.c (gather_interchange_stats): Add more comments.
	Gather also strides of accessed data.  Pass in the data references
	array.
	(try_interchange_loops): Add a new heuristic for handling the temporal
	locality.  Pass in the data references array.
	(linear_transform_loops): Pass the data references array to
	try_interchange_loops.

2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/invoke.texi: Fix typos.  Follow spelling conventions.

2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>

	* doc/c-tree.texi (Classes): Remove index entries for
	TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.

2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* fold-const.c (fold): Fold difference of addresses.
	(ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
	get_inner_reference.
	* tree-ssa-loop-ivopts.c (peel_address): Removed.
	(ptr_difference_const): Moved to fold-const.c.
	(split_address_cost): Use get_inner_reference instead of peel_address.
	(ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
	* tree.h (ptr_difference_const): Export.

	* tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
	variable type to the dump.  Fix indentation.
	(idx_find_step): Handle nonconstant array_ref_element_size and
	array_ref_low_bound.
	(idx_record_use): Handle array_ref_element_size and
	array_ref_low_bound.
	(find_interesting_uses_stmt): Handle memory = nontrivial_expression
	statements correctly.
	(get_computation_at, iv_value): Do not unshare expressions here.
	(rewrite_use_outer): Unshare the expression before it is emitted
	to code.
	* tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
	Moved to tree.c.
	* tree.c (unsigned_type_for, signed_type_for): Moved from
	tree-ssa-loop-niter.c.  Use langhooks.
	* tree.h (signed_type_for): Export.

2004-09-16  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
	prototype.

2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>

	PR target/11572
	* c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
	Add two parameters to extra_includes.
	(C_INCPATH_INIT): Remove.
	* c-incpath.c (register_include_chains): Call extra_pre_includes
	before adding the standard include directory.
	Update call to extra_includes.
	(!defined TARGET_EXTRA_INCLUDES): Update
	hook_void_charptr_charptr_int and add !define
	TARGET_EXTRA_PRE_INCLUDES.
	(!define TARGET_EXTRA_INCLUDES): Define as
	hook_void_charptr_charptr_int.
	(!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
	(target_c_incpath): Always declare.
	* fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
	empty function.
	(define TARGET_EXTRA_PRE_INCLUDES): Likewise.
	* config/darwin.h: (darwin_register_frameworks): Update for
	the two new parameters.
	(darwin_register_objc_includes): Add prototype.
	(TARGET_EXTRA_PRE_INCLUDES): Define.
	* config/darwin-c.c (darwin_register_objc_includes): New function.
	(darwin_register_frameworks): Update for the two new parameters.
	(target_c_incpath): Remove.
	* config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
	the compile line.
	* doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
	parameters.
	(TARGET_EXTRA_PRE_INCLUDES): Document.

	* gcc.c (spec_function): Add replace-outfile.
	(replace_outfile_spec_function): New function.
	* config/darwin.h (LINK_SPEC): Add replace
	-lobjc with -lobjc-gnu if -fgnu-runtime is
	supplied.
	* invoke.texi (replace-outfile): Document.

2004-09-13  Jan Hubicka  <jh@suse.cz>

	* predict.c (expr_expected_value, strip_builtin_expect): New function.
	(tree_predict_by_opcode): Use it.
	(tree_estimate_probability): Add, for now disabled,
	strip_builtin_expect call.

2004-09-15  James E Wilson  <wilson@specifixinc.com>

	PR target/17455
	* config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
	if current_function_decl is a sibcall.

2004-09-15  Mark Mitchell  <mark@codesourcery.com>

	* varasm.c (default_function_rdodata_section): Make sure to pass
	along a decl for a link-once section.

2004-09-15  Richard Henderson  <rth@redhat.com>

	* tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
	warning with code disable.  Fix formatting.

2004-09-15  Steven Bosscher  <stevenb@suse.de>

	* Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
	* tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
	after propagating into an ADDR_EXPR.

2004-09-15  Andrew Pinski  <apinski@apple.com>

	PR rtl-opt/17427
	* gcse.c (process_insert_insn): insn_invalid_p has side effects.
	Move it out of gcc_assert.

2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>

	* attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
	except.c, fold-const.c, function.c, langhooks.c, params.c,
	reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
	tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
	for quoting in diagnostics going through pretty-print.c.  Use ''
	for quoting in other diagnostic text.
	* langhooks.c: Include intl.h.  Mark text locating diagnostics for
	translation.
	* Makefile.in (langhooks.o): Update dependencies.
	* pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
	formats.

2004-09-15  Mark Mitchell  <mark@codesourcery.com>

	* configure.ac: Check for COMDAT support.  Robustify check for
	SHF_MERGE support.
	* configure: Regenerated.
	* config.in: Likewise.
	* langhooks-def.h (lhd_comdat_group): New function.
	(LANG_HOOKS_COMDAT_GROUP): New macro.
	(LANG_HOOKS_DECLS): Use it.
	* langhooks.c (lhd_comdat_group): Define.
	* langhooks.h (lang_hooks_for_decls): Add comdat_group.
	* output.h (named_section_flags): Make it a macro.
	(named_section_real): New function.
	(default_no_named_section): Add decl parameter.
	(default_elf_asm_named_section): Likewise.
	(default_coff_asm_named_section): Likewise.
	(default_pe_asm_named_section): Likewise.
	* target.h (gcc_target): Adjust type of named_section.
	* varasm.c (named_section_flags): Rename to named_section_real.
	Add decl parameter.
	(default_no_named_section): Add decl parameter.
	(default_elf_asm_named_section): Use COMDAT, if available.  Deal
	with the case that ASM_COMMENT_START is "@".
	(default_coff_asm_named_section): Add decl parameter.
	(default_pe_asm_named_section): Likewise.
	* config/alpha/alpha.c (vms_asm_named_section): Add decl
	parameter.
	(unicosmk_asm_named_section): Likewise.
	* config/arm/arm.c (arm_elf_asm_named_section): Remove.
	* config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
	* config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
	* config/cris/cris-protos.h (cris_target_asm_named_section):
	Likewise.
	* config/cris/cris.c (cris_target_asm_named_section):
	Likewise.
	* config/darwin/darwin-protos.h (darwin_asm_named_section):
	Likewise.
	* config/darwin/darwin.c (darwin_asm_named_section): Likewise.
	* config/h8300/h8300.c (h8300_asm_named_section): Likewise.
	* config/i386/i386-protos.h (i386_pe_asm_named_section):
	Likewise.
	* config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
	* config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
	* config/mcore/mcore.c (mcore_asm_named_section): Likewise.
	* config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
	Likewise.
	* config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
	* cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
	* cp/cp-tree.h (cxx_comdat_group): Declare.
	* cp/decl.c (cxx_comdat_group): New function.

2004-09-15  Jan Hubicka  <jh@suse.cz>

	* tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
	* tree-tailcall.c (eliminate_tail_call): Release SSA name.

	* tree-cfg.c (remove_bb): Release SSA defs.

2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/tm.texi: Follow spelling conventions.

2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>

	* tree-ssa-dom.c: Fix comment typos.

2004-09-15  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
	include ccr.
	(ppc_fallback_frame_state): Save location of CR.

2004-09-15  Jakub Jelinek  <jakub@redhat.com>

	* expr.c (string_constant): Handle also read-only variables
	initialized to string literals.

	* builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
	into memcpy (x, y, 1) if memcpy can be expanded inline.

2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR tree-optimization/17468
	* tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
	definition inside a block precede uses.
	* tree-tailcall.c (adjust_return_value): Emit statements in the
	correct order.

2004-09-15  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.

2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* doc/install.texi (sparc-sun-solaris2*): Properly format warning.

2004-09-14 Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (avail_exprs_stack): New global varray.
	(struct dom_walk_block_data): Remove avail_exprs member.
	(tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
	(lookup_avail_expr): No longer need to pass in address of
	the block local available exprs stack.  All callers changed.
	(simplify_cond_and_lookup_avail_expr): Similarly.
	(simplify_switch_and_lookup_avail_expr): Similarly.
	(get_eq_expr_value, record_cond): Likewise.
	(record_dominating_conditions): Likewise.
	(update_rhs_and_lookup_avail_expr): Likewise.
	(record_equivalences_from_stmt): Likewise.
	(dom_opt_initialize_block_local_data): No longer test state of
	block local avail_exprs.
	(dom_opt_initialize_block): Mark unwind point in the global
	avail_expr stack.
	(remove_expressions_from_table): Update to unwind to the
	most recent unwind marker in the global avail_expr stack.
	All callers changed.
	(dom_opt_finalize_block): Mark unwind point in the global
	avail_expr stack as needed.
	(record_cond): Push elements into the global avail_exprs stack.

	* tree-dfa.c (free_df_for_stmt): No longer static.
	(free_df): Update comments.
	* tree-flow.h (free_df_for_stmt): Prototype.
	* tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
	call release_defs.

2004-09-14  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/17252
	* tree-ssa-alias.c (may_alias_p): Don't assume that a
	pointer may not point to itself when using relaxed
	aliasing rules.

2004-09-14  Richard Henderson  <rth@redhat.com>

	PR middle-end/17397
	* gimplify.c (gimplify_addr_expr): Don't inadvertently change types
	while folding <ADDR_EXPR <INDIRECT_REF X>>.

2004-09-14  Andrew Pinski  <apinski@apple.com>

	* tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
	sets of the pointers but the aliasing sets of what they point to.

2004-09-14  Roger Sayle  <roger@eyesopen.com>

	PR rtl-optimization/9771
	* regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
	conditional compilation in init_reg_sets_1.
	(init_reg_sets_1): Let global_regs[i] take priority over the frame
	(but not stack) pointer exceptions to regs_invalidated_by_call.
	(globalize_reg): Globalizing a fixed register may need to update
	regs_invalidated_by_call.

2004-09-14  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/15262
	* tree-dfa.c (dump_variable): Also print the type of the
	variable.
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
	memory tags are of conflicting alias sets but have no aliased
	symbols in common, add one tag to the alias set of the other.
	(setup_pointers_and_addressables): Remove hack to deal with
	programs with no aliased symbols.
	(may_alias_p): Don't special case aggregate types.

2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/15498
	* doc/invoke.texi (Environment Variables): Correct example locale.

2004-09-14  Jan Hubicka  <jh@suse.cz>

	* cfg.c (expunge_block): Revert previous change adding ggc_free call.

2004-09-14  Mark Mitchell  <mark@codesourcery.com>

	* config.gcc: Do not build a shared libgcc for arm-none-eabi.

2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (struct c_declspecs): Add const_p, volatile_p and
	restrict_p.
	(struct c_declarator): Change u.array.quals and pointer_quals to
	int.  Add u.array.attrs.
	(quals_from_declspecs): New.
	* c-decl.c (quals_from_declspecs): New.
	(shadow_tag_warned): Give more specific message for useless type
	qualifiers.
	(build_array_declarator, set_array_declarator_inner,
	grokdeclarator, make_pointer_declarator, build_null_declspecs,
	declspecs_add_qual): Update for changed structures.

2004-09-14  Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
	to a global varray.
	(tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
	(dom_opt_initialize_block_local_data): No longer test state
	of stmts_to_rescan.
	(dom_opt_finalize_block): Update due to change in scope of
	stmts_to_rescan.
	(optimize_stmt): Similarly.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

	* cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
	lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
	comment typos.  Follow spelling conventions.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

	* config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
	config/i386/predicates.md, config/sparc/sparc.c: Follow
	spelling conventions.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
	    Steven Bosscher  <stevenb@suse.de>

	* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
	* basic-block.h (struct reorder_block_def): Add copy_number field.
	* cfgloop.h (biv_p): Declare.
	* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
	* common.opt (fsplit-ivs-in-unroller): New flag.
	* loop-iv.c (biv_p): New function.
	* loop-unroll.c: Include hashtab.h and recog.h.
	(struct iv_to_split, struct split_ivs_info): New types.
	(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
	free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
	determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
	insert_base_initialization, split_iv): New functions.
	(peel_loop_completely, unroll_loop_constant_iterations,
	unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
	Use them.
	* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-cfg.c (thread_jumps): Update dominators correctly in
	case destination of threaded edge dominates its source.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* unroll.c: Removed.
	* loop.h: Removed.
	* Makefile.in (LOOP_H, unroll.o): Removed.
	(toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
	dependency.
	* alias.c (init_alias_analysis): Remove flag_old_unroll_loops
	reference.
	* cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
	* common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
	* loop.c: Do not include loop.h.
	(LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
	REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
	struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
	REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
	struct loop_regs, struct loop_movables, struct loop_info): Moved
	from loop.h.
	(back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
	reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
	find_common_reg_term, loop_iterations, final_giv_value): Moved
	from unroll.c.
	(uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
	loop_dump_stream, for_each_insn_in_loop, express_from,
	extend_value_for_giv, loop_iv_add_mult_emit_before,
	loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
	loop_insn_first_p, get_condition_for_loop,
	loop_insn_emit_before, loop_insn_hoist,
	loop_insn_sink): Made static.
	(loop_invariant_p): Made static.  Removed flag_old_unroll_loops
	reference.
	(strength_reduce): Do not call unroller.
	(record_giv): Do not initialize unrolled field.
	(prescan_loop): Do not set loop_info->preconditioned.
	* passes.c: Do not include loop.h.
	(rest_of_handle_loop_optimize): Do not call unroller.
	* predict.c: Do not include loop.h.
	* rtl.h (NOTE_PRECONDITIONED): Removed.
	* stmt.c: Do not include loop.h.
	* toplev.c: Do not include loop.h.
	(process_options): Do not handle flag_old_unroll_loops.

	* doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
	Documentation removed.
	* doc/passes.texi (unroll.c, loop.h): Documentation removed.

2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>

	* Makefile.in (STAGE1_CHECKING): New variable.
	(stage1_build): Use it.
	* tree-ssa.c (verify_ssa): Preserve state of dominance
	information.

2004-09-14  Uros Bizjak  <uros@kss-loka.si>

	* config/i386/i386.c (output_fp_compare): Add generation
	of ftst instruction.
	* config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
	Use output_fp_compare () function.
	(cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
	(fix_truncdi_memory): Remove operands[5] copy.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

	* config/m32r/m32r.md, config/m68k/m68kelf.h,
	config/mcore/mcore.md, config/rs6000/linux64.h,
	config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
	typos.

2004-09-13  James E Wilson  <wilson@specifixinc.com>

	* Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
	* gen-protos.c: Include errors.h.
	(progname): Delete.

2004-09-14  Jan Hubicka  <jh@suse.cz>

	* Makefile.in (predict.o): Depend on tree-scalar-evolution.h
	* predict.c: Include tree-scalar-evolution.h and cfgloop.h
	(predict_loops): Use number_of_iterations_exit to predict
	number of iterations on trees.

2004-09-13  Dale Johannesen  <dalej@apple.com>

	PR 17408
	PR 17409
	* c-decl.c (start_decl): Repair TREE_STATIC for initialized
	objects declared extern.

2004-09-14  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_expand_prologue): Make args_to_push a
	HOST_WIDE_INT.

2004-09-13  Daniel Jacobowitz  <dan@debian.org>

	* fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
	Only use TYPE_BINFO for aggregates.

2004-09-13  Daniel Jacobowitz  <dan@debian.org>

	* expmed.c (synth_mult): Initialize latency.  Check cost before
	checking ops count.

2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>

	* tree-ssa-operands.c (get_call_expr_operands): Added parm to
	add_call_clobber_ops and add_call_read_ops.
	(add_call_clobber_ops, add_call_read_ops): Added code to reduce
	the number of vdefs and vuses inserted based on analysis of global
	variables across calls.  * tree-dfa.c (find_referenced_vars):
	Needed to reset static var maps before each function is compiled.
	* cgraphunit.c:
	(static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
	static_vars_info,functions_to_static_vars_info,module_statics_escape,
	all_module_statics,searchc_env,dfs_info): New fields to support
	analysis of static global variables.
	(print_order, convert_UIDs_in_bitmap, new_static_vars_info,
	cgraph_reset_static_var_maps, get_global_static_vars_info,
	get_global_statics_not_read, get_global_statics_not_written,
	searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
	check_rhs_var, check_lhs_var, get_asm_expr_operands,
	process_call_for_static_vars, scan_for_static_refs,
	cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
	clear_static_vars_maps, cgraph_propagate_bits,
	cgraph_characterize_statics): New. Functions to support analysis
	of static global variables.
	(cgraph_mark_local_and_external_functions): Renamed from:
	(cgraph_mark_local_functions)
	(cgraph_expand_all_functions): Remove call to
	cgraph_mark_local_and_external_functions.
	(cgraph_optimize): Added driver to analyze static variables whose
	scope is within the compilation unit.  * cgraph.h (struct
	cgraph_local_info, GTY): Added statics_read, statics_written,
	local, calls_read_all, calls_write_all, for_functions_valid.
	(struct cgraph_node): Added next_cycle.  * cgraph.c
	(dump_cgraph_node): Added print routines for new fields.  *
	makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
	list.

2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c (grokdeclarator): Correct comments about where storage
	class specifiers are rejected by grammar and add corresponding
	asserts.  Diagnose typedefs and parameters declared inline.
	Change warning for inline main to a pedwarn.  Only diagnose inline
	main if hosted.
	(declspecs_add_scspec): Allow duplicate "inline".

2004-09-13  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
	(TARGET_SCALAR_MODE_SUPPORTED_P): New.

2004-09-13  Richard Henderson  <rth@redhat.com>

	PR 17436
	* tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
	(tree_type): Replace spare with contains_placeholder_bits.
	(type_contains_placeholder_1): Rename from type_contains_placeholder_p,
	make static.  Remove seen_types list.
	(type_contains_placeholder_p): New.

2004-09-13  James E Wilson  <wilson@specifixinc.com>

	* config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
	(sb1_bdesc, bdesc_map, bdesc_arrays): New.
	(mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
	bdesc_arrays instead of mips_bdesc.
	(mips_init_builtins): Likewise.
	* config/mips/mips.h (TARGET_SB1): New.
	(HAVE_SQRT_P): Delete.
	* config/mips/mips.md (divide_condition): Support V2SF.
	(sqrt_condition, recip_condition): New.
	(div<mode>3): Use ANYF instead of SCALARF.
	(*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
	MODE.
	(*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
	instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
	instead of MODE.
	(sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
	instead of SCALARF.  Use UNITMODE instead of MODE.

2004-09-13  Zack Weinberg  <zack@codesourcery.com>

	* config.in: Regenerate after removal of libbanshee.

2004-09-13  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/17400
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce partitions when one occurs in an abnormal PHI.

2004-09-13  Andrew Pinski  <apinski@apple.com>

	* config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
	name to _new_size.

2004-09-13  Richard Henderson  <rth@redhat.com>

	PR inline-asm/6806
	* cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
	(cselib_invalidate_rtx_note_stores): New.
	(cselib_record_sets, cselib_process_insn): Update to match.
	* cselib.h (cselib_invalidate_rtx): Declare.
	* postreload.c (reload_cse_simplify): Invalidate asm clobbers.

2004-09-13  Richard Henderson  <rth@redhat.com>

	PR tree-opt/10528
	* tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
	after copying its argument.

2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
	c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
	in diagnostics.  Use %' for English apostrophes.
	* c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
	(pedwarn_c90, pedwarn_c99): Use it.
	* c-decl.c (lookup_label): Quote label name in diagnostic.
	* c-parse.in (yyprint): Use ' instead of ` for left quote.
	* c-typeck.c (warn_for_assignment): Likewise.

2004-09-13  Jan Hubicka  <jh@suse.cz>

	* i386.c (x86_schedule): New global variable.
	(override_options): Disable scheduling when not supported.
	* i386.h (x86_schedule): Declare.
	(TARGET_SCHEDULE): New macro.

2004-09-12  Richard Henderson  <rth@redhat.com>

	PR c++/16254
	* fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
	* tree.c, tree.h (has_cleanups): Remove.

2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
	arguments of the phi nodes correctly.

2004-09-12  Jan Hubicka  <jh@suse.cz>

	* ggc-common.c (cmp_statistics): Fix sorting.

2004-09-12  David Edelsohn  <edelsohn@gnu.org>

	PR target/16795
	* expmed.c (expand_divmod): If cheap power of 2 divide is
	available, use it for negative constant as well.

2004-09-12  Andrew Pinski  <apinski@apple.com>

	* darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
	size of 0.

	* tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.

2004-09-12  Richard Henderson  <rth@redhat.com>

	* config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
	or minus one.
	(ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
	post-reload, and scratch NULL.
	* config/i386/i386.md (testqi_1): Use FLAGS_REG name.
	(x86_shift_adj_2): Use ix86_expand_clear.
	(ashldi3): Remove CMOVE expansion difference.
	(ashldi3_1): Remove.
	(*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
	add constraints for immediates.  New peephole for split-with-temp.
	Run splitter after peep2 pass.
	(ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
	(lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
	(setcc_2): Rename with *.
	* config/i386/predicates.md (reg_or_pm1_operand): New.
	(ashldi_input_operand): New.

2004-09-12  Richard Henderson  <rth@redhat.com

	* print-rtl.c (print_decl_name): New.
	(print_mem_expr): Use it.

2004-09-12  Richard Henderson  <rth@redhat.com

	PR 17186, part deux
	* except.c (sjlj_emit_function_exit): Fix logic locating
	sjlj_exit_after in final block.

2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>

	* common.opt: Remove flags -fmove-all-movables and
	-freduce-all-givs.
	* loop-invariant.c (find_invariants_to_move):
	Remove all uses of flag_move_all_movables.
	* loop.c (move_movables): Remove all uses of
	flag_move_all_movables.
	(strength_reduce): Remove all uses of
	flag_reduce_all_givs.
	* doc/invoke.texi: Remove documentation of flags
	-fremove-all-movables and -freduce-all-givs.

2004-09-11  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/17411
	* tree-sra.c (generate_element_zero): Revert recent build_int_cst
	change. elt->type may be a floating point type, so use fold_convert.

2004-09-11  Geoffrey Keating  <geoffk@apple.com>

	* config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
	the thing referenced as used, not the stub itself.

2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (enum c_storage_class): New.
	(struct c_declspecs): Add storage_class, inline_p and thread_p.
	* c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
	declarations and "auto" or "register" in file scope empty
	declarations.  Give more specific warnings for other cases of
	storage class specifiers in empty declarations.
	(grokdeclarator): Update for new structures.  Don't check for
	multiple storage classes.  Diagnose file-scope "register" if
	pedantic.
	(build_null_declspecs): Update.
	(declspecs_add_scspec): Update.  Diagnose multiple storage class
	specifiers and invalid uses of "__thread".

2004-09-11  Zack Weinberg  <zack@codesourcery.com>

	* tree.c (tree_code_size): New function, bulk of code from tree_size.
	(tree_size, make_node): Use it.
	* tree-ssa-pre.c (init_pre): Use it.
	* tree.h: Prototype it.

2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
	* tree-dfa.c (compute_immediate_uses, add_immediate_use,
	redirect_immediate_use): Use PHI_DF.
	* tree-flow-inline.h (stmt_ann): Abort on phi nodes.
	(bb_for_stmt): Use PHI_BB.
	(get_immediate_uses): Use PHI_DF.
	* tree-ssa-dse.c (max_stmt_uid): New variable.
	(get_stmt_uid): New function.
	(dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
	node annotations.
	* tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
	(max_uid): Renamed to max_stmt_uid.
	(get_stmt_uid): New function.
	(maybe_queue_var, single_reachable_address, determine_lsm): Do not use
	phi node annotations.
	* tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
	* tree.h (PHI_BB, PHI_DF): New accessor functions.
	(struct tree_phi_node): Add bb and df fields.

2004-09-11  Richard Henderson  <rth@redhat.com>

	PR middle-end/17416
	* cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
	in conflict loop.

2004-09-11  Jan Hubicka  <jh@suse.cz>

	* i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
	(EMIT_MODE_SET): UNINITIALIZED mode needs no set.
	* i386.md (i387_cw): Add 'uninitialized' mode.

	* profile.c (BB_TO_GCOV_INDEX): move more to the front.
	(output_location): Break out from ....
	(branch_prob): ... here; handle gcov output on trees.
	* toplev.c (process_options): No longer be sorry about coverage for
	trees.

2004-09-11  Steven Bosscher  <stevenb@suse.de>

	PR c++/17412
	* fold-const.c (fold): Do not try to fold the operand of a
	CLEANUP_POINT_EXPR if that operand does itself not have any
	operands.

	PR middle-end/17417
	* langhooks.c (lhd_decl_printable_name): Make sure that this
	function is called with is a decl node that has an identifier.
	* tree-pretty-print.c (dump_function_name): New function to
	wrap PRINT_FUNCTION_NAME and dump_decl_name.
	(print_call_name): Use it.

2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>

	* ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
	"config.h" if not.

2004-09-11  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-alias.c (collect_points_to_info_r): Handle
	pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
	to OFFSET.

2004-09-11  Richard Henderson  <rth@redhat.com>

	* expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
	(expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
	operand of the ADDR_EXPR.
	(expand_expr_real_1): Update to match.

2004-09-11  David Edelsohn  <edelsohn@gnu.org>

	PR target/17277
	* config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
	choose 64-bit version.

2004-09-11  Richard Henderson  <rth@redhat.com>

	PR c/17396
	* c-typeck.c (build_unary_op): Add legacy offsetof hack.

2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
	doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
	Insert @: after i.e. or e.g.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

	* tree-pretty-print.c (dump_decl_name): Print unnamed decls as
	D.xxx rather than <Dxxx>.

2004-09-10  Adam Nemet  <anemet@lnxw.com>

	* configure.ac (AC_MSG_CHECKING(what linker to use)):
	in_tree_ld_is_elf should be true for LynxOS.
	* configure: Regenerate.

2004-09-10  Adam Nemet  <anemet@lnxw.com>

	* Makefile.in (all.cross): Add srcextra.

2004-09-10  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/17024
	* fold-const.c (fold_cond_expr_with_comparison): Handle unordered
	floating point comparison operators.  Change aborts to gcc_asserts.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

	* final.c (output_asm_insn): Correct problem with -fverbose-asm.

2004-09-10  James E Wilson  <wilson@specifixinc.com>

	* Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
	(stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.

	* convert.c (convert_to_vector): Replace recursive call with
	error_mark_node.

	* emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
	Add integer argument named constant.  Use const_tiny_rtx instead of
	CONST0_RTX.
	(gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
	and CONST1_RTX.
	(init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
	vector types.
	* expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
	of gen_rtx_raw_CONST_VECTOR.

2004-09-10  Eric Christopher  <echristo@redhat.com>

	PR c/16046
	* c-parse.in (attribute): Add NULL_TREE for error case
	for error recovery.

2004-09-10  Zack Weinberg  <zack@codesourcery.com>

	* c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
	(extract_interface_info): Delete prototype.
	* c-decl.c (extract_interface_info): Delete stub.
	* c-lex.c (get_fileinfo): Initialize file_info_tree here, if
	it's not already been done ...
	(init_c_lex): ... not here.
	(fe_file_change): Don't call extract_interface_info.

2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
	typedef_p and typedef_signed_p.
	* c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
	(grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
	Check typedef_p and typedef_signed_p, not typedef_decl.
	(grokfield): Check typedef_p, not typedef_decl.
	(build_null_declspecs): Initialize typedef_p and typedef_signed_p,
	not typedef_decl.
	(declspecs_add_type): Set typedef_p and typedef_signed_p, not
	typedef_decl.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/tm.texi, doc/tree-ssa.texi: Fix typos.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

	* gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
	temporary variables.

	* dbxout.c (dbxout_block): Update for
	current_function_func_begin_label a string.
	* dwarf2out.c (dwarf2out_begin_prologue): Likewise.
	* except.c (dw2_output_call_site_table): Likewise.
	* toplev.c (current_function_func_begin_label): Likewise.
	* tree.h (current_function_func_begin_label): Likewise.
	* config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.

	* final.c (output_asm_insn): Use strtoul instead of atoi, save a
	loop.

	* config/darwin.c: Include target.h.
	(struct machopic_indirection): Make ptr_name a string.
	(machopic_indirection_hash): Update for ptr_name a string.
	(machopic_indirection_eq): Likewise.
	(machopic_indirection_name): Likewise.
	(machopic_output_indirection): Likewise.
	(machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
	string.  Don't expect stub names to be in the identifier hash table.
	Do call strip_name_encoding before looking up entry in ID hash table.
	* config/t-darwin (darwin.o): Add target.h to dependencies.

	* gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
	of fprintf for register names.

	* output.h (unlikely_section_label): Delete declaration.
	(unlikely_text_section_name): Likewise.
	* varasm.c (unlikely_section_label_printed): Make static.
	(unlikely_section_label): Likewise.
	(unlikely_text_section_name): Likewise.
	(assemble_start_function): Use reconcat.

	* rtl.def (REG): Add comment to describe third field.

2004-09-10  Andrew Pinski  <apinski@apple.com>

	* config/darwin.c (machopic_mcount_stub_name): Call
	machopic_indirection_name instead of making the string
	ourselves.

2004-09-10  Diego Novillo  <dnovillo@redhat.com>

	Revert

	2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>

	    * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
	    memory tag is call clobbered, so are its aliases.
	    (group_aliases): When two memory tags being grouped, if one is
	    call clobbered, so are the other and its aliases.
	    (add_may_alias): Remove call-clobbering stuff.
	    (replace_may_alias): Likewise.
	    (merge_pointed_to_info): Merge pt_global_mem

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

	* bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
	genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
	passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
	tree-scalar-evolution.c, tree-ssa-copyrename.c,
	tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

	* config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
	(maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
	pair.  Remove match_dup from inputs.  Remove masaccs handling.
	(mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
	(masaccs, mdasaccs): Turn into define_insns.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

	* tree-tailcall.c (process_assignment): Only do accumulator transforms
	for floating-point types if flag_unsafe_math_optimizations.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

	* config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
	config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
	config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
	config/h8300/h8300.md, config/i386/gmm_malloc.h,
	config/ia64/ia64.md, config/ip2k/libgcc.S,
	config/mips/mips-ps-3d.md, config/mips/mips.c,
	config/rs6000/rs6000.c, config/s390/s390.c,
	config/sh/symbian.c: Fix comment typos.

2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_emit_prologue): Added missing
	"{}" brackets.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

	* doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
	typos.  Follow spelling conventions.

2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>

	* toplev.c (warn_deprecated_use): Correct logic for saying "type"
	in diagnostic.  Don't dereference NULL TYPE_NAME.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

	* c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
	tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
	tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
	value-prof.c: Fix comment typos.  Follow spelling conventions.

2004-09-10  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-dce.c (remove_dead_stmt): Update profile.
	* tree-split_edge.c (tree_split_edge): Likewise.
	(thread_jumps): Likewise.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

	* cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
	typos.

2004-09-10  Paolo Bonzini  <bonzini@gnu.org>

	* cgraph.h (cgraph_dump_file): Do not declare.
	* cgraphunit.c (cgraph_dump_file): Declare as static.
	(init_cgraph): New.
	* toplev.c (cgraph_dump_file): Do not declare.
	(compile_file): Call init_cgraph.
	* tree-dump.c (dump_files): Add IPA dump file, remove
	XML dump of call graph.
	(get_dump_file_name): Support IPA dump file naming scheme.
	* tree.h (enum tree_dump_index): Add IPA dump file, remove
	XML dump of call graph.
	* doc/invoke.texi (Debugging Options): Document the new options.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

	* doc/extend.texi: Document the FR-V built-in functions.

2004-09-09  James E Wilson  <wilson@specifixinc.com>

	* doc/sourcebuild.texi: Delete libbanshee reference.

2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>

	* Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.

2004-09-09  James E Wilson  <wilson@specifixinc.com>

	* c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
	before calling vector_types_convertible_p.
	(digest_init): Check that inside_init has VECTOR_TYPE before calling
	vector_types_convertible_p.  Don't give another error if
	convert_for_assignment returns error_mark_node.

2004-09-09  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/17055
	* fold-const.c (build_zero_vector): New function to construct a
	vector (either floating point or integer) of zeros.
	(fold_convert): Internally, enable conversions of integer zero
	to arbitrary vector types, using the new build_zero_vector.

2004-09-09  Roger Sayle  <roger@eyesopen.com>

	* config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
	expand a left shift by an immediate constant as either an ashl or
	a sequence of additions.
	(ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
	instead of calling gen_ashlsi3 with a constant directly.

2004-09-09  Roger Sayle  <roger@eyesopen.com>

	* config/i386/i386.c (ix86_split_long_move): When optimizing for
	size, and the low and high parts of a DImode constant are equal,
	copy one register to another instead of loading the same immediate
	value twice.

2004-09-09  Richard Henderson  <rth@redhat.com>

	PR middle-end/17367
	* function.c (assign_parm_setup_block): Only put PARALLELs into
	a register if use_register_for_decl.

2004-09-09  Eric Christopher  <echristo@redhat.com>

	* ra-colorize.c (reset_lists): Move variable declaration inside
	ENABLE_CHECKING to avoid unused variable warnings when
	not --enable-checking.
	(check_colors): Ditto.

2004-09-09  Mike Stump  <mrs@apple.com>

	* version.c (version_string): Bump to 4.0.0.
	* doc/include/gcc-common.texi (version-GCC): Likewise.

2004-09-10  Jakub Jelinek  <jakub@redhat.com>

	* doc/extend.texi (nothrow attribute): The attribute is not
	implemented in 3.2 and earlier.

2004-09-09  Steve Ellcey  <sje@cup.hp.com>

	* genrecog.c (compute_predicate_codes): Use op0_codes
	instead of codes.

2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>

	* ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
	implementation changes.

2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>

	* combine.c (try_combine): When swapping i2 and i3, newi2pat may be
	a PARALLEL instead of a SET due to added clobbers.

2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>

	* reload.c (find_reloads_address): Pass correct operand to
	maybe_memory_address_p.

2004-09-09  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in: Remove libbanshee, tree-alias-*.
	Remove tree-alias-common.h dependencies.
	* common.opt: Remove -ftree-points-to.
	* configure.ac: Remove libbanshee.
	* flags.h: Remove pta_type, flag_tree_points_to.
	* gengtype.c (open_base_files): Remove tree-alias-type.h.
	* opts.c (OPT_ftree_points_to): Remove.
	* toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
	* tree-dfa.c: Remove tree-alias-common.h
	* tree-into-ssa.c: Ditto.
	* tree-outof-ssa.c: Ditto.
	* tree-ssa-copyrename.c: Ditto.
	* tree-ssa-live.c: Ditto.
	* tree-optimize.c: Ditto.
	* tree-ssa.c: Ditto.
	Remove pass_build_pta, pass_del_pta.
	* tree-pass.h: Ditto.
	* tree-ssa-alias.c: Remove tree-alias-common.h.
	(struct alias_stats_d):	Remove pta_queries, pta_resolved.
	(pass_may_alias): Remove PROP_pta requirement.
	(may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
	(get_tmt_for): Ditto.
	(dump_alias_stats): Ditto.
	* doc/passes.texi: Remove blurb about points-to analysis.
	* fortran/Make-lang.in: Remove tree-alias-*.o.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>

	* genattrtab.c (write_insn_cases): New function, split out from
	write_attr_case.  Correctly handle define_peepholes when printing
	the instruction name.
	(write_attr_case, write_const_num_delay_slots): Use write_insn_cases.

2004-09-09  Hans-Peter Nilsson  <hp@axis.com>

	PR target/17377
	* config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
	* config/cris/cris.c (cris_return_address_on_stack): New function.
	* config/cris/cris.md ("return"): For location of return address,
	also check cris_return_address_on_stack.

2004-09-09  Diego Novillo  <dnovillo@redhat.com>

	* tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
	calling phi_ssa_name_p.

2004-09-09  Richard Henderson  <rth@redhat.com>

	PR c/17322
	* c-typeck.c (valid_compound_expr_initializer): Use only
	initializer_constant_valid_p, and not TREE_CONSTANT.
	(digest_init): Likewise.
	(output_init_element): Likewise.

2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

	* ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
	live_out_1, prune_hardregs_for_mode, init_one_web_common,
	reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
	record_conflict, compare_and_free_webs, init_webs_defs_uses,
	parts_to_webs_1, parts_to_webs, reset_conflicts,
	check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
	ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
	* ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
	put_move, remove_move, combine, select_spill, colorize_one_web,
	try_recolor_web, insert_coalesced_conflicts, check_colors,
	break_precolored_alias, restore_conflicts_from_coalesce,
	sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
	* ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
	reloads_to_loads, rewrite_program2, emit_colors): Likewise.
	* ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
	check_df): Likewise.
	* real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
	real_arithmetic, real_compare, real_exponent, real_ldexp,
	real_identical, real_to_integer, real_to_integer2, real_to_decimal,
	real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
	real_digit, real_nan, real_maxval, round_for_format, real_convert,
	real_to_target, real_from_target, real_hash, encode_ieee_single,
	encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
	encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
	encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
	* recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
	extract_insn, peep2_next_insn, peep2_reg_dead_p,
	peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
	if_test_bypass_p): Likewise.
	* reg-stack.c (record_label_references, get_asm_operand_n_inputs,
	stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
	emit_swap_insn, swap_to_top, move_for_stack_reg,
	subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
	compensate_edge, convert_regs_1): Likewise.
	* regclass.c (init_reg_sets, init_reg_sets_1,
	memory_move_secondary_cost): Likewise.
	* regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
	Likewise.
	* reload.c (push_secondary_reload, find_valid_class, push_reload,
	operands_match_p, decompose, immune_p, find_reloads,
	find_reloads_toplev, find_reloads_address_1, subst_reloads,
	copy_replacements, refers_to_regno_for_reload_p,
	reg_overlap_mentioned_for_reload_p): Likewise.
	* reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
	count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
	verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
	reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
	choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
	do_output_reload, fixup_abnormal_edges): Likewise.
	* reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
	fill_slots_from_thread, relax_delay_slots): Likewise.
	* resource.c (mark_referenced_resources, mark_set_resources):
	Likewise.
	* rtl.c (copy_rtx, rtx_equal_p): Likewise.
	* rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
	dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
	subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
	find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
	hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
	* rtlhooks.c (gen_lowpart_general): Likewise.
	* sbitmap.c (sbitmap_difference): Likewise.
	* sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
	sched_analyze, add_forward_dependence): Likewise.
	* sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
	* sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
	schedule_insns): Likewise.
	* sched-vis.c (print_pattern): Likewise.
	* sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
	* simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
	simplify_const_relational_operation, simplify_ternary_operation,
	simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
	Likewise.
	* sreal.c (copy, sreal_sub, sreal_div): Likewise.
	* stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
	resolve_operand_name_1, expand_return, expand_decl,
	expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
	* stor-layout.c (put_pending_size, smallest_mode_for_size,
	int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
	set_sizetype, get_mode_bounds): Likewise.

2004-09-09  Zack Weinberg  <zack@codesourcery.com>

	* defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
	* config/arm/pecoff.h, config/i386/beos-elf.h
	* config/i386/cygming.h, config/i386/i386-interix.h:
	Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
	comment cloned from manual.
	* doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.

2004-09-09  Frank Ch. Eigler  <fche@redhat.com>

	* builtins.c (build_va_arg_indirect_ref): New function.
	(std_gimplify_va_arg_expr): Call it instead of mudflap check and
	build_fold_indirect_ref.
	* config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
	* tree.h: Declare new function.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

	* cgraphunit.c (cgraph_mark_functions_to_output): Renable node
	dumping for development builds.
	* emit-rtl.c (verify_rtx_sharing): Give verbose failure for
	development builds only.
	* genattrtab.c (write_eligible_delay): Fix typo in previous
	commit.
	* tree.c (iterative_hash_expr): Replace gcc_unreachable with
	gcc_assert.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

	* gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
	cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
	process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
	hoist_code, extract_mentioned_regs_helper, compute_store_table,
	insert_store): Use gcc_assert and gcc_unreachable.
	* ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
	gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
	ggc_record_overhead): Likewise.
	* ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
	init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
	ggc_pop_context, clear_marks, validate_free_objects,
	ggc_pch_read): Likewise.
	* ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
	ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
	ggc_push_context, check_cookies, ggc_collect,
	ggc_print_statistics): Likewise.
	* gimple-low.c (lower_function_body, lower_stmt,
	lower_bind_expr): Likewise.
	* gimplify.c (gimple_tree_eq, push_gimplify_context,
	pop_gimplify_context, gimple_pop_condition, create_tmp_var,
	declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
	mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
	gimplify_case_label_expr, gimplify_exit_block_expr,
	canonicalize_component_ref, gimplify_compound_lval,
	gimplify_self_mod_expr, gimplify_call_expr,
	gimplify_init_ctor_eval, gimplify_init_constructor,
	gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
	gimplify_expr, check_pointer_types_r,
	force_gimple_operand): Likewise.
	* global.c (global_alloc, build_insn_chain): Likewise.
	* graph.c (clean_graph_dump_file,
	finish_graph_dump_file): Likewise.
	gcov-io.c (gcov_open): Use GCOV_CHECK.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>

	* config/frv/frv.c (acc_operand, accg_operand): Use REGNO.

2004-09-09  Jan Hubicka  <jh@suse.cz>

	middle-end/17128
	* tree-inline.c (expand_call_inline): Make overactive sanity check
	happy.

2004-09-09  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-ivopts.c (peel_address): Fix abort on
	VIEW_CONVERT_EXPR.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

	* Makefile.in (gengtype): Use $(BUILD_ERRORS).
	(gengtype.o): Depend on errors.h.
	* genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
	(attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
	attr_alt_subset_p, attr_alt_subset_of_compl_p,
	attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
	write_test_expr, write_attr_value, write_eligible_delay,
	make_internal_attr, make_numeric_value): Likewise.
	* genautomata.c (regexp_name, get_str_vect,
	gen_presence_absence_set, automaton_decl_hash,
	automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
	decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
	process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
	test_unit_reserv, it_is_empty_reserv_sets,
	reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
	reserv_sets_and, output_cycle_reservs, get_free_state,
	intersected_state_reservs_p, states_union, remove_arc,
	copy_insn_regexp, transform_1, transform_2, transform_3,
	regexp_transform_func, store_alt_unit_usage,
	check_regexp_units_distribution, process_seq_for_forming_states,
	process_alts_for_forming_states, make_automaton,
	form_arcs_marked_by_insn, create_composed_state,
	set_out_arc_insns_equiv_num, partition_equiv_class,
	process_insn_equiv_class, set_insn_equiv_classes,
	units_to_automata_heuristic_distr, form_regexp,
	longest_path_length, output_dfa_max_issue_rate, add_vect,
	out_state_arcs_num, add_vect_el, output_trans_table,
	output_state_alts_table, output_dead_lock_vect,
	output_max_insn_queue_index_def,
	output_min_insn_conflict_delay_func,
	output_internal_insn_latency_func, output_print_reservation_func,
	output_cpu_unit_reservation_p, output_state_arcs,
	make_insn_alts_attr, make_internal_dfa_insn_code_attr,
	make_default_insn_latency_attr,
	form_important_insn_automata_lists): Likewise.
	* genemit.c (gen_exp, output_add_clobbers,
	output_added_clobbers_hard_reg_p): Likewise.
	* genextract.c (print_path, main): Likewise.
	* genflags.c (gen_macro): Likewise.
	* gengenrtl.c: Include errors.h
	(type_from_format, accessor_from_format): Likewise.
	* gengtype.c (get_file_basename, output_mangled_typename,
	walk_type, write_types_process_field,
	write_types_local_process_field): Likewise.
	* genmodes.c (complete_mode): Likewise.
	* genopinit.c (gen_insn): Likewise.
	* genoutput.c (output_insn_data, check_constraint_len,
	constraint_len): Likewise.
	* genpreds.c (add_mode_tests):Likewise.
	* gen-protos.c (add_hash): Likewise.
	* genrecog.c (find_operand, find_matching_operand,
	validate_pattern, add_to_sequence, maybe_both_true,
	nodes_identical_1, merge_trees, write_switch, write_cond,
	write_action, is_unconditional, make_insn_sequence,
	debug_decision_2): Likewise.
	* gensupport.c (is_predicable, collect_insn_data,
	alter_predicate_for_insn, maybe_eval_c_test): Likewise.

2004-09-09  Jan Hubicka  <jh@suse.cz>

	* basic-block.h (guess_outgoing_edge_probabilities): Declare.
	* cfgbuild.c (compute_outgoing_frequencies): When probability is
	missing, guess it.
	(find_many_sub_basic_blocks): Do update profile only when it is
	present.
	* predict.c (set_even_probabilities): Break out from ...
	(combine_predictions_for_insn): ... here; deal with
	!can_predict_insn_p insns.
	(combine_predictions_for_bb): Use set_even_probabilities.
	(bb_estimate_probability_locally): Break out from ....
	(estimate_probability): ... here.
	(guess_outgoing_edge_probabilities): New entry point.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

	* gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
	handle_braces, process_brace_body, main, used_arg,
	set_multilib_dir, print_multilib_info): Use fatal, not abort.

	* tree-nested.c (create_tmp_var_for): Correct missinverted assert.

	* tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
	* tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
	Morgan's theorem in last checkin.

2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
	    Nathan Sidwell  <nathan@codesourcery.com>

	* targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
	Use gcc_assert, gcc_unreachable & internal_error instead of abort.
	* timevar.c (timevar_push, timevar_pop, timevar_start,
	timevar_stop): Likewise.
	* toplev.c (default_pch_valid_p): Likewise.
	* tracer.c (tail_duplicate): Likewise.
	* tree-alias-common.c (get_alias_var_decl,
	get_values_from_constructor, create_alias_var, delete_alias_vars,
	empty_points_to_set, same_points_to_set, ptr_may_alias_var):
	Likewise.
	* tree.c (tree_size, make_node_stat, copy_node_stat,
	build_int_cst_wide, integer_all_onesp, list_length, chainon,
	tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
	substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
	build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
	lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
	build_method_type_directly, decl_type_context, get_callee_fndecl,
	get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
	tree_fold_gcd): Likewise.
	* tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
	make_cond_expr_edges, group_case_labels, tree_merge_blocks,
	cleanup_control_expr_graph, find_taken_edge,
	find_taken_edge_switch_expr, phi_alternatives_equal,
	is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
	stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
	tree_split_edge, tree_verify_flow_info, thread_jumps,
	tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
	* tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
	chrec_fold_multiply_poly_poly): Likewise.
	* tree-complex.c (extract_component, expand_complex_division,
	expand_complex_comparison, expand_complex_operations_1,
	build_replicated_const, expand_vector_operations_1): Likewise.
	* tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
	build_classic_dir_vector): Likewise.
	* tree-dfa.c (compute_immediate_uses_for_phi,
	compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
	create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
	record_in_finally_tree, replace_goto_queue_1,
	maybe_record_in_goto_queue, verify_norecord_switch_expr,
	do_return_redirection): Likewise.
	* tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
	add_to_dst_predicate_list, find_phi_replacement_condition,
	replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
	Likewise.
	* tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
	initialize_inlined_parameters, declare_return_variable,
	estimate_num_insns_1, expand_call_inline, expand_calls_inline,
	optimize_inline_calls, copy_tree_r): Likewise.
	* tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
	ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
	* tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
	tsi_split_statement_list_after, tsi_split_statement_list_before):
	Likewise.
	* tree-mudflap.c (mf_varname_tree): Likewise.
	* tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
	lookup_tramp_for_decl, convert_all_function_calls): Likewise.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
	* tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
	coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
	free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
	Likewise.
	* tree-phinodes.c (resize_phi_node, add_phi_arg,
	remove_all_phi_nodes_for): Likewise.
	* tree-pretty-print.c (op_prio, print_call_name): Likewise.
	* tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
	tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
	* tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
	sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
	generate_one_element_ref, generate_element_copy,
	generate_element_zero, scalarize_copy, scalarize_init,
	scalarize_ldst): Likewise.
	* tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
	add_may_alias, add_pointed_to_expr, add_pointed_to_var,
	collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
	* tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
	* tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
	set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
	widen_bitfield, ccp_fold_builtin): Likewise.
	* tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
	replace_exp_1, propagate_tree_value): Likewise.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
	* tree-ssa-dce.c (set_control_dependence_map_bit,
	find_control_dependence, find_pdom, mark_operand_necessary,
	mark_stmt_if_obviously_necessary,
	mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
	* tree-ssa-dom.c (dom_opt_initialize_block_local_data,
	simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
	eliminate_redundant_computations, avail_expr_eq): Likewise.
	* tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
	duplicate_blocks): Likewise.
	* tree-ssa-loop-im.c (for_each_index, set_level,
	is_call_clobbered_ref): Likewise.
	* tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
	stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
	find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
	peel_address, ptr_difference_cost, may_replace_final_value,
	determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
	rewrite_use, rewrite_uses): Likewise.
	* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
	check_loop_closed_ssa_use): Likewise.
	* tree-ssanames.c (make_ssa_name): Likewise.
	* tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
	finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
	get_stmt_operands, get_expr_operands, get_asm_expr_operands,
	get_indirect_ref_operands, add_stmt_operand): Likewise.
	* tree-ssa-pre.c (value_exists_in_set_bitmap,
	value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
	phi_translate, valid_in_set, compute_antic,
	find_or_generate_expression, create_expression_by_pieces, insert_aux,
	create_value_expr_from, eliminate): Likewise.
	* tree-ssa-propagate.c (cfg_blocks_get): Likewise.
	* tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
	Likewise.
	* tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
	eliminate_tail_call): Likewise.
	* tree-vectorizer.c (vect_create_index_for_array_ref,
	vect_align_data_ref, vect_create_data_ref,
	vect_create_destination_var, vect_get_vec_def_for_operand,
	vect_finish_stmt_generation, vect_transform_stmt,
	vect_transform_loop_bound, vect_transform_loop,
	vect_analyze_operations): Likewise.
	* tree-vn.c (vn_compute, set_value_handle, get_value_handle):
	Likewise.
	* tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
	get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
	bsi_after_labels, bsi_last): Likewise.
	* tree-ssa-live.c (var_union, change_partition_var,
	create_ssa_var_map, calculate_live_on_entry, root_var_init,
	type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
	Likewise.
	* tree-ssa-live.h (partition_is_global, live_entry_blocks,
	tpa_find_tree): Likewise.
	(register_ssa_partition_check): Declare.
	(register_ssa_partition): use it.
	* tree-ssa-live.c: Include errors.h.
	(register_ssa_partition_check): New.
	* tree-ssa-operands.c: Include errors.h.
	* Makefile.in (tree-ssa-operands.o): Depend on errors.h.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
	    Catherine Moore  <clm@redhat.com>

	* config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
	(FRV_CPU_FR405): New processor enums.
	(frv_issue_rate, frv_acc_group): Declare.
	* config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
	(CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
	(MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
	(SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
	(TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
	handled by CPP_SPEC.
	(MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
	(MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
	(ACC_MASK): New macro.
	(TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
	(TARGET_MEDIA_FR450): New macro.
	(TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
	(TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
	(LABEL_ALIGN_AFTER_BARRIER): Define.
	(ACC_LAST, ACCG_LAST): Add four new accumulator registers.
	(IACC_FIRST, IACC_LAST): New pair of SPRs.
	(ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
	(REGISTER_NAMES): Add entries for new registers.
	(REG_CLASS_CONTENTS): Update for new register ranges.
	(EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
	(ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
	(PACKING_FLAG_USED_P): Delete.
	(FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
	(FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
	(FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
	(FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
	(FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
	(FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
	(FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
	(FRV_BUILTIN_FIRST_NONMEDIA): New macro.
	(CPU_UNITS_QUERY): Define to 1.
	* config/frv/frv.c: Include gt-frv.h
	(NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
	(SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
	(frv_insn_group): New enumeration.
	(frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
	(frv_type_to_unit, frv_nops, frv_num_nops): New variables.
	(REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
	(REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
	gap left by REGSTATE_LIVE.
	(regstate_t): New typedef.
	(TARGET_MACHINE_DEPENDENT_REORG): Define.
	(frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
	(frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
	Initialize frv_unit_codes[] and frv_type_to_unit[].
	(frv_conditional_register_usage): Remove redundant fixing of
	accumulator registers.
	(frv_insn_packing_flag): Update specification.
	(frv_function_prologue): Don't set frv_insn_packing_flag here.
	Zero out frv_nops[].
	(frv_expand_epilogue): Remove comments about the no-longer-present
	SIBCALL_P argument.
	(frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
	PACKING_FLAG_USED_P() when deciding whether to pack instructions.
	(frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
	of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
	packing is disabled and if INSN can only issue to M1.
	(call_operand): Check TARGET_LONG_CALLS.
	(acc_operand, even_acc_operand, quad_acc_operand)
	(accg_operand): Simplify.  Don't accept pseudo registers.
	(output_move_single): Handle SPR<-zero moves.
	(frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
	(frv_registers_update, frv_registers_used_p): Delete.
	(frv_registers_set_p): Delete.
	(frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
	(frv_issues_to_branch_unit_p): New function.
	(frv_packet): New structure.
	(frv_cond_flags, frv_regstate_conflict_p): New functions.
	(frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
	(frv_registers_update_1, frv_registers_update): New functions.
	(frv_start_packet, frv_start_packet_block, frv_finish_packet)
	(frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
	(frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
	(frv_sort_insn_group, frv_reorder_packet): New functions.
	(frv_pack_insns): Use frv_reorder_packet.
	(frv_packet_address): New variable.
	(frv_fill_unused_units, frv_align_label, frv_reorg_packet)
	(frv_register_nop, frv_reorg): New functions.
	(bdesc_1arg): Add __SCUTSS.
	(bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
	__SUBSS, __SLASS and __SCAN.
	(bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
	(bdesc_int_void2arg, bdesc_prefetches): New arrays.
	(frv_init_builtins): Register the above builtins.
	(frv_int_to_acc): Use ACC_MASK to check for valid accumulator
	registers.  Turn the referenced accumulators into global registers.
	(frv_read_iacc_argument): New function.
	(frv_expand_int_void2arg, frv_expand_prefetches): New functions.
	(frv_split_iacc_move): New function.
	(frv_expand_builtin): Handle the new builtins.
	* config/frv/frv.md: Replace old schedulers with new order-independent
	ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
	packing algorithm.
	(cpu): Add fr550, fr450 and fr405.
	(type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
	mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
	(*muladd[sd]f4, *mulsub[sd]f4): Fix types.
	(*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
	(fnop, mnop): New patterns.
	(UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
	New constants.
	(mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
	(mclracca8): Use ACC_MASK to determine the upper set of accumulator
	registers.
	(mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
	(UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
	(UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
	(UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
	(UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
	(UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
	(smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
	(frv_prefetch0, frv_prefetch): New patterns.
	* config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
	-mcpu=simple.  Add -mcpu=fr550.
	(MULTILIB_DIRNAMES): Update accordingly.
	(MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
	-mcpu=fr450.
	* doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
	-mlong-calls and -malign-labels options for FR-V.

2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/8420
	* c-tree.h (struct c_declspecs): New.
	(struct c_declarator, struct c_type_name, struct c_parm): Update
	element types.
	(build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
	start_function, start_decl, build_c_parm,
	make_pointer_declarator): Update prototypes.
	(build_null_declspecs, declspecs_add_qual, declspecs_add_type,
	declspecs_add_scspec, declspecs_add_attrs): New.
	(split_specs_attrs): Remove.
	* c-parse.in (%union): Add dsptype.
	(declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
	declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
	declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
	declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
	declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
	declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
	declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
	declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
	declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
	declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
	maybe_type_quals_attrs): Change to dsptype.
	(struct c_declspec_stack): New.
	(current_declspecs, declspec_stack): Change type.
	(PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
	structures.
	(extdefs): Likewise.
	(setspecs): Likewise.
	(fndef): Use current_declspecs for empty declspecs list.
	(declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
	declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
	declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
	declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
	declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
	declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
	declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
	declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
	structures and helper functions.  Update comments.
	(typespec_nonattr): Correct comment.
	(maybe_type_quals_attrs, typename): Update to new structures.
	* c-decl.c (grokdeclarator, build_array_declarator, grokfield,
	shadow_tag, shadow_tag_warned, start_function, start_decl,
	build_c_parm, make_pointer_declarator,
	set_array_declarator_inner, groktypename): Update to new
	structures.
	(build_null_declspecs, declspecs_add_qual, declspecs_add_type,
	declspecs_add_scspec, declspecs_add_attrs): New.
	(split_specs_attrs): Remove.
	(shadow_tag_warned): Make warning for useless type names a
	pedwarn.  Give hard error for long, short, signed, unsigned or
	_Complex used with struct, union or enum in empty declaration.
	Make found_tag a bool.
	(grokdeclarator): Remove checks now done at parse time.

2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
	c_declarator, struct c_type_name, struct c_parm): New.
	(build_array_declarator, set_array_declarator_inner,
	get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
	start_function, start_decl, build_c_parm, build_attrs_declarator,
	build_function_declarator, make_pointer_declarator, c_cast_expr,
	store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
	(build_id_declarator): New.
	* c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
	structures.
	* c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
	ARG_INFO_OTHERS): Remove.
	(build_id_declarator): New.
	(build_array_declarator, set_array_declarator_inner, groktypename,
	start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
	grokfield, start_function, store_parm_decls_newstyle,
	store_parm_decls_oldstyle, store_parm_decls,
	build_c_parm, build_attrs_declarator, build_function_declarator,
	make_pointer_declarator, grokdeclarator): Update to new
	structures.
	* c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
	parmtype.
	(declarator, notype_declarator, after_type_declarator,
	parm_declarator, parm_declarator_starttypename,
	parm_declarator_nostarttypename, array_declarator, typename,
	absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
	absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
	parmlist_1, parmlist_2, parmlist_or_identifiers,
	parmlist_or_identifiers_1): Use these types.
	(primary, after_type_declarator, parm_declarator_starttypename,
	notype_declarator, component_decl, component_declarator,
	component_notype_declarator, typename, absdcl,
	absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
	parmlist_2, parmlist_or_identifiers_1): Update to new structures.

2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
	in_typeof, record_maybe_used_decl, pop_maybe_used,
	c_expr_sizeof_expr, c_expr_sizeof_type): New.
	* c-decl.c (parser_obstack): New.
	(c_init_decl_processing): Initialize parser_obstack.
	(c_write_global_declarations_1): Check for used but undefined
	static functions.
	* c-parse.in (%union): Add otype.
	(save_obstack_position): New.
	(extdefs): Use it.
	(unary_expr): Update in_sizeof and in_alignof.  Use
	c_expr_sizeof_expr and c_expr_sizeof_type.
	(sizeof): Update in_sizeof.
	(alignof): Update in_alignof.
	(typeof): Update in_typeof.
	(typespec_nonreserved_nonattr): Call pop_maybe_used.
	* c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
	maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
	pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
	(build_external_ref): Set C_DECL_USED or call
	record_maybe_used_decl if appropriate.
	* toplev.c (check_global_declarations): Check TREE_NO_WARNING.

2004-09-08  Eric Christopher  <echristo@redhat.com>

	* builtins.c: Fix prototype for fold_builtin_atan.

2004-09-08  Eric Christopher  <echristo@redhat.com>

	* builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
	fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
	fold_builtin_atan): New functions. Migrate function bodies...
	(fold_builtin_1): ... from here.

2004-09-09  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
	save_size.

2004-09-08  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
	* config/rs6000/power5.md (power5-lmul): Same.

2004-09-08  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/17186
	* function.c (expand_function_end): Have fall-off-the-end
	return path jump around return register setup.

2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.c (sparc_indent_opcode): New variable.
	(output_return): Do not test for the presence of the 'unimp' insn.
	Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
	as predicates instead of custom ones.  Return raw strings when
	possible.
	(output_sibcall): Likewise.  Concatenate strings.
	(output_ubranch): Remove kludge for TurboSPARC.
	(output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
	(output_v9branch): Likewise.
	(print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
	<#>: Set sparc_indent_opcode if the delay slot is filled.
	<(>: Likewise.
	<)>: New operand to emit the displacement from the saved PC on return.
	<@>: Remove.
	* config/sparc/sparc.h (sparc_indent_opcode): Declare it.
	(ASM_OUTPUT_OPCODE): New macro.
	(PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
	* config/sparc/sparc.md (normal_branch, inverted_branch,
	normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
	inverted_fpe_branch): Adjust call to output_cbranch.
	(normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
	call to output_v9branch.
	* config/sparc/sparc-protos.h (output_cbranch): Adjust.
	(output_v9branch): Likewise.

2004-09-08  Devang Patel  <dpatel@apple.com>

	* config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
	-segs_read_only_addr and -segs_read_write_addr.
	(WORD_SWITCH_TAKES_ARG): Same.
	(LINK_SPEC): Same.
	* doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
	-segs_read_write_addr.

2004-09-08  Richard Henderson  <rth@redhat.com>

	* function.c (reference_callee_copied): New.
	(assign_parm_setup_reg): Use it.
	* calls.c (initialize_argument_information): Likewise.
	(emit_library_call_value_1): Likewise.
	* function.h (reference_callee_copied): Declare.

	* target.h (struct gcc_target): Add callee_copies.
	* target-def.h (TARGET_CALLEE_COPIES): New.
	(TARGET_PASS_BY_REFERENCE): Update default.
	* expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* targhooks.c (hook_callee_copies_named): New.
	(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
	hook_pass_by_reference_false.
	(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
	* targhooks.h: Update decls.
	* config/arc/arc.c (TARGET_CALLEE_COPIES): New.
	* config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
	* config/frv/frv.c (frv_function_arg_callee_copies): Remove.
	* config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
	* config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
	* config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/mips/mips.c (TARGET_CALLEE_COPIES): New.
	(mips_callee_copies): New.
	* config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
	* config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
	* config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/pa/pa.c (TARGET_CALLEE_COPIES): New.
	* config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/sh/sh.c (sh_callee_copies): New.
	(TARGET_CALLEE_COPIES): New.
	* config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/v850/v850.c (TARGET_CALLEE_COPIES): New.
	* config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
	for FUNCTION_ARG_CALLEE_COPIES.
	* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.

2004-09-08  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (find_phi_replacement_condition): Return true
	edge block.
	(replace_phi_with_cond_modify_expr): Select conditional expr args
	based on true edge basic block.

2004-09-08  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
	variables being alias set.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

	* final.c (shorten_branches, final, get_insn_template,
	output_alternate_entry_point, final_scan_insn, alter_subreg,
	alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
	leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
	* fix-header.c (lookup_std_proto): Likewise.
	* flow.c (first_insn_after_basic_block_note, verify_wide_reg,
	verify_local_live_at_start, update_life_info, mark_reg,
	calculate_global_regs_live, allocate_reg_life_data,
	init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
	ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
	attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
	* fold-const.c (force_fit_type, div_and_round_double,
	may_negate_without_overflow_p, int_const_binop, const_binop,
	size_binop, size_diffop, fold_convert_const, fold_convert,
	invert_tree_comparison, swap_tree_comparison,
	comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
	range_binop, make_range, fold_cond_expr_with_comparison,
	fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
	fold_abs_const, fold_not_const, fold_relational_const, round_up,
	round_down): Likewise.
	* function.c (find_function_data, assign_stack_temp_for_type,
	instantiate_virtual_regs_lossage, aggregate_value_p,
	assign_parm_find_entry_rtl, assign_parm_setup_block,
	expand_function_start, expand_function_end, keep_stack_depressed,
	handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.

2004-09-08  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in (tree-loop-linear.o): Added.
	(OBJS-common): Add tree-loop-linear.o
	* common.opt: New flag, ftree-loop-linear.
	* timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
	* tree-flow.h: Add prototype for linear_transform_loops.
	* tree-optimize.c: Add linear transform after vectorization.
	* tree-pass.h: Add struct pass_linear_transform.
	* tree-ssa-loop.c: Add pass_linear_transform.
	* tree-loop-linear.c: New file.
	* lambda-code.c: gcc_assertify.
	(gcc_loop_to_lambda_loop): Handle all exit tests.
	Handle case where we have (invariant >= induction var).
	(find_induction_var_from_exit_cond): Ditto.

2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>

	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
	memory tag is call clobbered, so are its aliases.
	(group_aliases): When two memory tags being grouped, if one is
	call clobbered, so are the other and its aliases.
	(add_may_alias): Remove call-clobbering stuff.
	(replace_may_alias): Likewise.
	(merge_pointed_to_info): Merge pt_global_mem

2004-09-08  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
	* cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
	(cgraph_expand_function): Remove stale cgraph edges of currently
	compiled function; fix non-unit-at-a-time code copying function
	node for later reuse.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

	* vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
	(vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
	(vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
	(vec_gc_free, vec_heap_free): New.
	* vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
	(DEF_VEC_P): Add allocator argument. Adjust.
	(DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
	(DEF_VEC_O): Add allocator argument. Adjust.
	(VEC(free)): New.

	* tree.h (tree): Define a GC'd vector.
	* lamba-code.c (lambda_loop): Likewise.
	* value-prof.h (histogram_value): Likewise.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

	* emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
	(gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
	gen_lowpart_common, gen_highpart, gen_highpart_mode,
	subreg_highpart_offset, operand_subword, operand_subword_force,
	mem_expr_equal_p, set_mem_attributes_minus_bitpos,
	set_mem_alias_set, change_address_1, verify_rtx_sharing,
	copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
	try_split, add_insn_after, add_insn_before, remove_insn,
	remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
	emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
	emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
	set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
	gen_const_vector_0, emit_copy_of_insn_after): Likewise.
	* et-forest.c (set_prev, set_next, et_check_occ_sanity,
	record_path_before_1, check_path_after_1, check_path_after): Likewise.
	* except.c (gen_eh_region, resolve_one_fixup_region,
	remove_unreachable_regions, convert_from_eh_region_ranges_1,
	add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
	connect_post_landing_pads, sjlj_emit_function_exit,
	remove_exception_handler_label, remove_eh_handler,
	reachable_next_level, collect_one_action_chain,
	output_function_exception_table): Likewise.
	* explow.c (trunc_int_for_mode, copy_to_mode_reg,
	optimize_save_area_alloca, allocate_dynamic_stack_space,
	probe_stack_range, hard_function_value): Likewise.
	* expmed.c (mode_for_extraction, store_bit_field,
	store_fixed_bit_field, extract_bit_field, expand_shift,
	expand_mult_const, expand_mult, choose_multiplier,
	expand_mult_highpart, expand_divmod, emit_store_flag,
	do_cmp_and_jump): Likewise.
	* expr.c (convert_move, convert_modes, move_by_pieces,
	move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
	move_block_from_reg, gen_group_rtx, emit_group_load,
	emit_group_move, emit_group_store, use_reg, use_regs,
	can_store_by_pieces, store_by_pieces, store_by_pieces_1,
	emit_move_insn, emit_move_insn_1, emit_push_insn,
	expand_assignment, store_expr, count_type_elements,
	store_constructor, store_field, safe_from_p, expand_var,
	expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

	* dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
	gcc_assert and gcc_unreachable.
	* ddg.c (create_ddg_dependence, add_deps_for_def,
	add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
	* df.c (df_ref_unlink, df_ref_record, df_uses_record,
	df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
	df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
	df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
	df_bb_reg_live_end_p, df_bb_regs_lives_compare,
	df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
	dataflow_set_copy, hybrid_search, diagnostic.c,
	diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
	* dojump.c (do_jump): Likewise.
	* dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
	compute_dom_fast_query, calculate_dominance_info,
	free_dominance_info, get_immediate_dominator,
	set_immediate_dominator, get_dominated_by,
	redirect_immediate_dominators, nearest_common_dominator,
	dominated_by_p, verify_dominators, recount_dominator,
	iterate_fix_dominators, add_to_dominance_info,
	delete_from_dominance_info): Likewise.
	* dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
	dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
	dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
	* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
	initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
	flush_queued_reg_saves, dwarf2out_frame_debug_expr,
	dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
	output_call_frame_info, output_loc_operands, build_cfa_loc,
	decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
	AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
	AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
	splice_child_die, attr_checksum, same_dw_val_p,
	break_out_includes, build_abbrev_table, size_of_die, mark_dies,
	unmark_dies, value_format, output_loc_list, output_die,
	output_pubnames, output_aranges, base_type_die, is_base_type,
	modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
	mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
	field_byte_offset, add_data_member_location_attribute,
	add_const_value_attribute, rtl_for_decl_location,
	add_location_or_const_value_attribute, add_byte_size_attribute,
	add_bit_offset_attribute, add_bit_size_attribute,
	add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
	decl_start_label, gen_formal_parameter_die,
	gen_type_die_for_member, gen_subprogram_die, gen_label_die,
	gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
	force_decl_die, force_type_die, gen_decl_die,
	dwarf2out_imported_module_or_decl, prune_unused_types_prune,
	dwarf2out_finish): Likewise.

2004-09-08  Andreas Tobler  <toa@pop.agri.ch>

	* Makefile.in (builtins.o): Depend on tree-mudflap.h.
	* builtins.c: Include tree-mudflap.h.

2004-09-08  Uros Bizjak  <uros@kss-loka.si>

	* config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
	force operand 0.0 into register in XFmode. Also do not force
	operand 0.0 into register if !TARGET_CMOVE.
	* config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
	(*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
	implement ftst x87 instruction.
	(*fp_jcc_7): New insn pattern. Change corresponding split
	pattern to handle "general_operand" instead of
	"nonimmediate_operand".

2004-09-08  Ben Elliston  <bje@au.ibm.com>

	* doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.

2004-09-07  Frank Ch. Eigler  <fche@redhat.com>

	* builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
	generated from standard va_arg expansion.
	* tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
	marked nodes.
	(mf_varname_tree, mf_file_function_line_tree): Add some support
	for column numbers if compiled with USE_MAPPED_LOCATION.

2004-09-07  Ziemowit Laski  <zlaski@apple.com>

	* c-decl.c (groktypename_in_parm_context): Remove function.
	* c-tree.h (groktypename_in_parm_context): Remove prototype.

2004-09-07  Ziemowit Laski  <zlaski@apple.com>

	* Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
	* c-parse.in: Include c-common.h instead of objc-act.h.
	(ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
	myparms, myparm): Remove %type declarations.
	(methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
	objc_typename, objc_try_catch_stmt, optellipsis): Add %type
	declarations.
	(objc_inherit_code, objc_public_flag): Remove.
	(typespec_nonreserved_nonattr): Call
	objc_get_protocol_qualified_type() instead of get_static_reference()
	and get_protocol_reference().
	(stmt_nocomp): Call grokparm() on @catch parameter.
	(objcdef): Move semantic action to objc_finish_implementation().
	(classdef): Move semantic action to objc_start_class_interface(),
	objc_continue_interface(), objc_finish_interface(),
	objc_start_class_implementation(), objc_continue_implementation(),
	objc_start_category_interface() and
	objc_start_category_implementation().
	(protocoldef): Move semantic actions to objc_start_protocol() and
	objc_finish_interface().
	(ivar_decl_list): Remove nonterminal.
	(visibility_spec): Move semantic actions to objc_set_visibility().
	(ivar_decls): Remove assignment to $$.
	(ivar_decl): Rephrase in terms of component_decl; call
	objc_add_instance_variable().
	(ivars, ivar_declarator): Remove nonterminals.
	(opt_semi): New nonterminal.
	(methodtype): Remove semantic actions.
	(methoddef): Move semantic actions to objc_set_method_type(),
	objc_start_method_definition() and objc_finish_method_definition().
	(methodproto): Move semantic actions to objc_set_method_type() and
	objc_add_method_declaration().
	(methoddecl): Use objc_typename instead of typename; move semantic
	actions to objc_build_method_signature().
	(optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
	(optparmlist): Express in terms of optparms and optellipsis.
	(optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
	nonterminals.
	(keyworddecl): Use objc_typename instead of typename.
	(rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
	and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().

2004-09-08  Alan Modra  <amodra@bigpond.net.au>

	* doc/tm.texi (MD_UNWIND_SUPPORT): Document.
	(MD_FALLBACK_FRAME_STATE_FOR): Update.
	* unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
	(uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
	(MD_FROB_UPDATE_CONTEXT): Remove default.
	(uw_update_context_1): Instead #ifdef invocation.
	* config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
	(uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
	* config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
	(MD_UNWIND_SUPPORT): Undefine this instead.
	* config/i386/gnu.h: Likewise.
	* config/alpha/linux-unwind.h: New file, macro converted to
	function, extracted from..
	* config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
	(MD_UNWIND_SUPPORT): Define.
	* config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
	* config/i386/linux-unwind.h, config/i386/linux.h,
	config/i386/linux64.h: Likewise.
	* config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
	MD_HANDLE_UNWABI too.
	* config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
	* config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
	* config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
	* config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
	* config/sparc/linux-unwind.h, config/sparc/linux.h,
	config/sparc/linux64.h: Likewise.
	* config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
	SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
	* config/rs6000/linux-unwind.h, config/rs6000/linux.h,
	config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
	function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.

2004-09-07  Jan Hubicka  <jh@suse.cz>

	* cse.c (fold_rtx):  Avoid building of
	(CONST (MINUS (CONST_INT) (SYMBOL_REF)))

	* tree-ssa-pre.c (grand_bitmap_obstack): New.
	(value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
	(init_pre): Initialize obstack.
	(fini_pre): Free obstack.

2004-09-07  David Daney  <ddaney@avtrex.com>

	* config.gcc: Added support for --with-divide=[breaks|traps] for
	mips targets.
	* config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
	(TARGET_DIVIDE_TRAPS): New macro.
	(TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
	(OPTION_DEFAULT_SPECS): Added --with-divide= support.
	* config/mips/mips.c (mips_idiv_insns): Generate proper count on
	GENERATE_DIVIDE_TRAPS.
	(mips_output_division): Emit conditional trap if
	GENERATE_DIVIDE_TRAPS is set.
	* doc/install.texi: Document --with-divide.
	* doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.

2004-09-07  Caroline Tice  <ctice@apple.com>

	* cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
	EDGE_CROSSING, to flags test case.

2004-09-07  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
	class too.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

	* cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
	cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
	make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
	or gcc_unreachable.
	* cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
	remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
	alloc_aux_for_edges, free_aux_for_edges): Likewise.
	* cfgcleanup.c (try_forward_edges,
	merge_blocks_move_predecessor_nojumps,
	merge_blocks_move_successor_nojumps): Likewise.
	* cfgexpand.c (expand_gimple_cond_expr,
	expand_gimple_tailcall): Likewise.
	* cfghooks.c (duplicate_block): Likewise.
	* cfglayout.c (record_effective_endpoints,
	insn_locators_initialize, change_scope, fixup_reorder_chain,
	verify_insn_chain, fixup_fallthru_exit_predecessor,
	duplicate_insn_chain, cfg_layout_finalize): Likewise.
	* cfgloopanal.c (check_irred): Likewise.
	* cfgloop.c (superloop_at_depth, flow_loops_free,
	flow_loop_entry_edges_find, flow_loops_find,
	flow_loop_outside_edge_p, get_loop_body,
	get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
	get_loop_exit_edges, num_loop_branches, cancel_loop,
	verify_loop_structure): Likewise.
	cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
	duplicate_loop_to_header_edge, create_preheader,
	create_loop_notes): Likewise.
	* cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
	edirect_branch_edge, force_nonfallthru_and_redirect,
	rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
	commit_edge_insertions, commit_edge_insertions_watch_calls,
	purge_dead_edges, cfg_layout_redirect_edge_and_branch,
	cfg_layout_redirect_edge_and_branch_force,
	cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
	* cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
	cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
	cgraph_varpool_node): Likewise.
	* cgraphunit.c (cgraph_finalize_function,
	cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
	cgraph_expand_function, cgraph_remove_unreachable_nodes,
	cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
	cgraph_mark_inline, cgraph_expand_all_functions,
	cgraph_build_static_cdtor): Likewise.
	* combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
	simplify_logical, distribute_notes, insn_cuid): Likewise.
	* conflict.c (conflict_graph_add, print_conflict): Likewise.
	* coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
	coverage_checksum_string): Likewise.
	* cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
	hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
	cse_cc_succs, cse_condition_code_reg): Likewise.
	* cselib.c (entry_and_rtx_equal_p, remove_useless_values,
	rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
	new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
	cselib_record_set): Likewise.

2004-09-07  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

	* builtins.c (fold_builtin_strchr): Use build_int_cst, not
	fold_convert.
	(fold_builtin_strpbrk): Likewise.
	* expr.c (array_ref_low_bound): Likewise.
	* tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
	interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
	* tree-sra.c (generate_element_zero): Likewise.
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
	add_old_iv_candidates, add_iv_candidates): Likewise.
	* tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

	* c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
	* c-common.c (c_type_hash, c_common_nodes_and_builtins,
	c_expand_expr, boolean_increment, nonnull_check_p,
	check_function_arguments_recurse, fold_offsetof_1): Likewise.
	* c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
	builtin_define_type_max): Likewise.
	* c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
	implicit_decl_warning, builtin_function, build_compound_literal,
	complete_array_type, grokdeclarator, get_parm_info,
	start_function, store_parm_decls_oldstyle,
	c_write_global_declarations): Likewise.
	* c-format.c (get_constant, decode_format_attr,
	maybe_read_dollar_number, get_flag_spec, check_format_arg,
	check_format_types, format_type_warning,
	find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
	init_dynamic_diag_info, handle_format_attribute): Likewise.
	* c-gimplify.c (push_context, pop_context, finish_bc_block):
	* c-lex.c (c_lex_with_flags, lex_string): Likewise.
	* c-objc-common.c (c_tree_printer): Likewise.
	* c-pch.c (pch_init): Likewise.
	* c-pragma.c (maybe_apply_pragma_weak): Likewise.
	* c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
	* c-typeck.c (c_incomplete_type_error, composite_type,
	common_pointer_type, common_type, same_translation_unit_p,
	tagged_types_tu_compatible_p, finish_init, pop_init_level,
	set_designator, set_nonincremental_init_from_string,
	process_init_element, c_finish_if_stmt): Likewise.
	* caller-save.c (init_caller_save, save_call_clobbered_regs,
	insert_restore, insert_save, insert_one_insn): Likewise.
	* calls.c (emit_call_1, compute_argument_block_size,
	precompute_arguments, expand_call, emit_library_call_value_1,
	store_one_arg): Likewise.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

	* configure.ac (enable-checking): Add release option. Reorganize
	to avoid repetition.
	* configure: Rebuilt.
	* doc/install.texi (enable-checking): Amend documentation.

2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/17313
	* Makefile.in (specs.ready): Depend on cc1$(exeext).

2004-09-06  James E Wilson  <wilson@specifixinc.com>

	* config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
	movdf_hardfloat_32bit): Split fG into two alternatives.
	(movv2sf_hardfloat_64bit): Split fYG into two alternatives.

	* emit-rtl.c (try_split): Check INSN_P before may_trap_p call.

2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* final.c (output_in_slot): Delete.
	(final_scan_insn): Revert 2004-09-03 change.
	(output_asm_insn): Likewise.
	* config/sparc/sparc.c (output_return): Likewise.
	(output_sibcall): Likewise.

2004-09-06  Jan Hubicka  <jh@suse.cz>

	* loop.c (loop_dump_aux): Do not print RTL when not available.
	* tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
	frontend specific type nodes.
	(produce_memory_decl_rtl): Break out from ...
	(prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
	(get_computation_at): Avoid random tree sharing.
	(tree_ssa_iv_optimize): Verify tree sharing; dump loops.

2004-09-06  Zack Weinberg  <zack@codesourcery.com>

	* Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
	unnecessary commands.

2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>

	* Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
	(bitmap.o): Likewise.

2004-09-06  Paolo Bonzini  <bonzini@gnu.org>

	Unify the management of RTL and tree-level dump files.

	* cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
	Don't print function name to the dump file, the pass manager
	would do this for us. Add code from the top of
	rest_of_compilation, up to the initial RTL dump.
	* passes.c (rest_of_handle_jump): Call fixup_tail_calls and
	close the DFI_sibling dump file.
	(rest_of_compilation): Don't do that here.  Remove code up to the
	initial RTL dump.
	(init_optimization_passes): Remove.
	(pass_rest_of_compilation): Change pass name to NULL.
	* toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
	Do not call init_optimization_passes.
	* toplev.h (init_optimization_passes): Remove.

	* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Remove SUFFIX parameter.
	* graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Likewise.

	* tree-pass.h (struct tree_opt_pass): Add `letter' field.
	* cfgexpand.c (pass_expand): Adjust.
	* gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
	* passes.c (pass_rest_of_compilation): Adjust.
	* predict.c (pass_profile): Adjust.
	* tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
	* tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
	pass_split_crit_edges, pass_warn_function_return): Adjust.
	* tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
	* tree-dfa.c (pass_referenced_vars): Adjust.
	* tree-eh.c (pass_lower_eh): Adjust.
	* tree-if-conv.c (pass_build_ssa): Adjust.
	* tree-into-ssa.c (pass_build_ssa): Adjust.
	* tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
	* tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
	* tree-nrv.c (pass_nrv): Adjust.
	* tree-optimize.c (pass_gimple, pass_all_optimizations,
	pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
	pass_init_datastructures): Adjust.
	* tree-outof-ssa.c (pass_del_ssa): Adjust.
	* tree-profile.c (pass_tree_profile): Adjust.
	* tree-sra.c (pass_sra): Adjust.
	* tree-ssa-alias.c (pass_may_alias): Adjust.
	* tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
	* tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
	* tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
	* tree-ssa-dom.c (pass_dominator): Adjust.
	* tree-ssa-dse.c (pass_dse): Adjust.
	* tree-ssa-forwprop.c (pass_forwprop): Adjust.
	* tree-ssa-if-conv.c (pass_if_conversion): Adjust.
	* tree-ssa-loop-ch.c (pass_ch): Adjust.
	* tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
	pass_loop_done, pass_complete_unroll, pass_iv_canon,
	pass_iv_optimize, pass_vectorize): Adjust.
	* tree-ssa-phiopt.c (pass_phiopt): Adjust.
	* tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
	* tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
	pass_late_warn_uninnitialized): Adjust.
	* tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.

	* Makefile.in (tree-dump.o): Add new dependencies.
	* cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
	* cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
	Likewise.
	* toplev.c (dump_file_name): New.
	* tree-dump.c (dump_enable_all): Add LETTER parameter.
	(struct dump_file_info): Add NUM and LETTER fields.
	(dump_files): Adjust and add RTL dump files.
	(dump_register): Add NUM and LETTER fields.
	(get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
	(dump_begin): Use get_dump_file_name.
	(dump_switch_p_1): Adjust call to dump_enable_all.
	* tree-dump.h (dump_register): Adjust prototype.
	* tree-optimize.c (register_one_dump_file): Take dump file index.
	Support flags for RTL dumps.
	(register_dump_files): Fill in NUM field of struct dump_file_info.
	Track properties both when the gate is executed and when it is not.
	(execute_todo): Dump RTL.  Add PROPERTIES parameter.
	(execute_one_pass): Pass properties to execute_todo.  Handle VCG
	dumps of RTL.
	* tree-pass.h (dump_file_name): New.
	* tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
	New.

	* Makefile.in (passes.o): Add new dependencies.
	* passes.c (struct dump_file_info, enum dump_file_index,
	dump_file_tbl, init_optimization_passes): Remove.
	(open_dump_file, close_dump_file): Use tree-dumping infrastructure.
	(rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
	dump_enabled_p.
	(finish_optimization_passes): Update finish_graph_dump_file loop.
	(enable_rtl_dump_file): Remove.
	* tree-dump.c (dump_files): Adjust and add RTL dump files.
	(enable_rtl_dump_file): Add here.
	* tree.h (enum tree_dump_index): Add RTL dump file indices.
	* doc/invoke.texi (Debugging options): Document new RTL debugging
	options.  Update.

2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>

	* c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
	gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
	stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
	tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
	tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
	tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
	tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
	vec.h: Fix comment formatting.

2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>

	* c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
	et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
	hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
	tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
	tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
	tree-ssa-loop-niter.c, tree-ssa-operands.c,
	tree-ssa-operands.h, tree-ssa-propagate.c,
	tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
	vec.c, vec.h: Fix comment typos.  Follow spelling conventions.

2004-09-05  Diego Novillo  <dnovillo@redhat.com>

	* tree-if-conv.c (gate_tree_if_conversion): Enable only if the
	vectorizer is enabled.

2004-09-05  Andreas Jaeger  <aj@suse.de>

	* tree-if-conv.c: Spell check comments and clean up whitespace.

2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-ssa-loop-ivopts.c: New file.
	* Makefile.in (tree-ssa-loop-ivopts.c): Add.
	* cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
	target_pres_cost, target_spill_cost): Declare.
	* cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
	spill_cost): Renamed to ...
	(target_avail_regs, target_res_regs, target_small_cost,
	target_pres_cost, target_spill_cost): ... and exported.
	(init_set_costs, global_cost_for_size): Work with renamed variables.
	* common.opt (flag_ivopts): New flag.
	* expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
	REF_ORIGINAL.
	* gimplify.c (struct gimplify_ctx): Add into_ssa field.
	(internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
	generating SSA form.
	(force_gimple_operand): New function.
	* timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
	* tree-cfg.c (stmt_bsi): New function.
	* params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
	PARAM_IV_MAX_CONSIDERED_USES): New.
	* tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
	bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
	ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
	* tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
	* tree-nested.c (build_addr): Export.
	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_iv_optimize.
	* tree-pass.h (pass_iv_optimize): Declare.
	* tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
	IMAGPART_EXPR.
	* tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
	as a phi node argument.
	(split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
	ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
	functions.
	* tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
	* tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
	pass_iv_optimize): New pass.
	* tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
	* tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
	* tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
	* tree.h (REF_ORIGINAL): New macro.
	(build_int_cst_type, unsigned_type_for, zero_p,
	cst_and_fits_in_hwi, build_addr): Declare.
	* doc/invoke.texi (-fivopts): Document.
	(PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
	PARAM_IV_MAX_CONSIDERED_USES): Document.
	* doc/passes.texi: Document induction variable optimizations pass.

2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
	* builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
	* c-common.c (c_common_attribute_table): Accept parameters to
	sentinel attribute.
	(check_function_sentinel, handle_sentinel_attribute): Likewise.
	* doc/extend.texi: Update accordingly.

2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
	New.
	* builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
	attribute.
	* c-common.c (handle_sentinel_attribute, check_function_sentinel):
	New functions.
	(c_common_attribute_table): Add `sentinel' attribute.
	(check_function_arguments): Handle `sentinel' attribute.
	* doc/extend.texi: Document `sentinel' attribute.

2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* gimplify.c (internal_get_tmp_var): Remove unused var CLASS.

	* tree.c (save_expr): No longer TREE_READONLY.

2004-09-04  Jan Hubicka  <jh@suse.cz>

	* passes.c (rest_of_clean_state):  Fix merge conflict made during
	commiting the patch.

2004-09-04  Jan Hubicka  <jh@suse.cz>

	* passes.c (rest_of_clean_state):  Decompose the instruction stream.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

	* doc/md.texi (shift patterns): New anchor.  Add reference to
	TARGET_SHIFT_TRUNCATION_MASK.
	* doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
	* target.h (shift_truncation_mask): New target hook.
	* targhook.h (default_shift_truncation_mask): Declare.
	* targhook.c (default_shift_truncation_mask): Define.
	* target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
	(TARGET_INITIALIZER): Include it.
	* simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
	and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
	reject all out-of-range values.  Fix sign-extension code for modes
	whose width is smaller than HOST_BITS_PER_WIDE_INT.
	* optabs.c (simplify_expand_binop, force_expand_binop): New functions.
	(expand_superword_shift, expand_subword_shift): Likewise.
	(expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
	(expand_binop): Use them to implement double-word shifts.
	* config/arm/arm.c (arm_shift_truncation_mask): New function.
	(TARGET_SHIFT_TRUNCATION_MASK): Define.

2004-09-04  Jan Hubicka  <jh@suse.cz>

	* tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
	(mix): New macro copied from hashtab.c
	(iterative_hash_hashval_t, iterative_hash_pointer,
	iterative_hash_host_wide_int): New functions based on hashtab.c
	implementation.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (mask): New mode attribute.
	(zero_extendsidi2): Add memory alternative.
	(*zero_extendsidi2_mem): Delete.
	(zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
	memory_operand in the TARGET_MIPS16 check.
	(*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
	Redefine using :GPR and :SHORT.
	(zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.

2004-09-04  Uros Bizjak  <uros@kss-loka.si>

	* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
	using rint_optab.
	(expand_builtin): Expand BUILT_IN_RINT{,F,L} using
	expand_builtin_mathfn.
	* genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
	btrunc?f patterns for btrunc_optab. Implement rint_optab using
	rint?f patterns.
	* optabs.c (init_optabs): Initialize rint_optab.
	* optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
	Add new OTI_rint.
	(btrunc_optab): Rename macro from trunc_optab.
	(rint_optab): Define corresponding macro.

	* reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
	UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.

	* config/i386/i386-protos.h (emit_i387_cw_initialization):
	Change prototype. Add new int parameter.
	* config/i386/i386.c (emit_i387_cw_initialization):
	Handle new rounding modes.

	* config/i386/i386.h (enum fp_cw_mode): Delete.
	(MODE_NEEDED): Handle new rounding modes.
	(EMIT_MODE_SET): Change condition to handle new rounding modes.

	* config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
	UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
	represent different rounding modes of frndint insn.
	(type): Add frndint type.
	(i387, length, memory): Handle this type.
	(i387_cw): New attribute definition.
	(*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
	*fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
	*fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
	Add "i387_cw" attribute defined to "trunc".
	(x86_fnstcw_1): Remove comment.
	(*frndintxf2): Rename insn definition to frndintxf2. Move
	insn definition near rint?f2 expanders.
	(rintdf2, rintsf2, rintxf2): New expanders to implement rint,
	rintf and rintl built-ins as inline x87 intrinsics.
	(frndintxf2_floor): New pattern to implement floor rounding
	mode with frndint x87 instruction.
	(floordf2, floorsf2, floorxf2): New expanders to implement floor,
	floorf and floorl built-ins as inline x87 intrinsics.
	(frndintxf2_ceil): New pattern to implement ceil rounding
	mode with frndint x87 instruction.
	(ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
	ceilf and ceill built-ins as inline x87 intrinsics.
	(frndintxf2_trunc): New pattern to implement trunc rounding
	mode with frndint x87 instruction.
	(btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
	truncf and truncl built-ins as inline x87 intrinsics.
	(frndintxf2_mask_pm): New pattern to implement rounding
	mode with exceptions with frndint x87 instruction.
	(nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
	implement nearbyint, nearbyintf and nearbyintl built-ins as
	inline x87 intrinsics.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (SHORT): New mode macro.
	(size): New mode attribute.
	(extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
	(*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
	*extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
	!ISA_HAS_SEB_SEH.
	(*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
	*extend[qh]isi2_hw patterns and extending them to di.
	(extendqihi2): Implement as define_insn_and_split that produces
	extendqisi2 after reload.

2004-09-03  Devang Patel  <dpatel@apple.com>

	* Makefile.in (OBJS-common): Add tree-if-conv.o
	(tree-if-conv.o): New rule.
	* cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
	(get_loop_body_in_bfs_order): New.
	* cfgloop.h (get_loop_body_in_bfs_order): New.
	* tree-flow.h (enum move_pos): Move here from ..
	* tree-ssa-loop-im.c (enum move_pos): here.
	(movement_possibility): Make externally visible.
	* tree-optimize.c (init_tree_optimization_passes): New entry for
	if conversion pass.
	* tree-pass.h (pass_if_conversion): New.
	* tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
	* tree-if-conv.c: New file.
	* doc/passes.texi: Document tree if-conversion pass.
	* doc/tree-ssa.texi: Same.

2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/14925:
	Makefile.in (LIB2ADDEHSTATIC): New.
	(LIB2ADDEHSHARED): New.
	(LIBUNWIND): New.
	(LIBUNWINDDEP): New.
	(SHLIBUNWIND_LINK): New.
	(SHLIBUNWIND_INSTALL): New.
	(libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
	LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
	(clean): Remove libunwind*
	(stage1-start): Remove and copy stage1/libunwind*.
	(stage2-start): Remove and copy stage2/libunwind*.
	(stage3-start): Remove and copy stage3/libunwind*.
	(stage4-start): Remove and copy stage4/libunwind*.
	(stageprofile-start): Remove and copy stageprofile/libunwind*.
	(stagefeedback-start): Remove and copy stagefeedback/libunwind*.

	* config.gcc (ia64*-*-linux*): Always add t-libunwind to
	tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
	tmake_file if --with-system-libunwind isn't used.

	* config/ia64/t-glibc-libunwind: New file.
	* config/t-libunwind-elf: Likewise.
	* unwind-compat.c: Likewise.
	* unwind-compat.h: Likewise.
	* unwind-dw2-fde-compat.c: Likewise.

	* config/ia64/t-glibc (LIB2ADDEH): Updated.
	* config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.

	* config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
	aliases if needed.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2.c: Likewise.

	* config/t-libunwind (LIB2ADDEH): Updated.
	(LIB2ADDEHSTATIC): New.
	(T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
	(TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.

	* configure.ac: Change --enable-libunwind-exceptions to
	--with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
	* configure: Regenerated.
	* config.in: Updated.

	* doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
	above and mention --with-system-libunwind.
	(ia64-*-hpux*): Mention --enable-libunwind-exceptions is
	removed in gcc 3.4.3 and later.

	* gcc.c (init_spec): Add -lunwind to -lgcc_s if
	USE_LIBUNWIND_EXCEPTIONS is defined.

	* mklibgcc.in: Support libunwind.

2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
	m_NOCONA.

2004-09-03  Richard Henderson  <rth@redhat.com>

	PR middle-end/9997
	* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
	(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
	(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
	stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
	frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
	resize_stack_vars_conflict, add_stack_var_conflict,
	stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
	union_stack_vars, partition_stack_vars, dump_stack_var_partition,
	expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
	expand_one_static_var, expand_one_hard_reg_var,
	expand_one_register_var, expand_one_error_var, defer_stack_allocation,
	expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
	(expand_used_vars): Rewrite.
	* Makefile.in (cfgexpand.o): Update dependencies.

2004-09-04  Jan Hubicka  <jh@suse.cz>

	* cfg.c (free_edge): Use ggc_free.
	(expunge_block): Use ggc_free.
	* passes.c (rest_of_clean_state): Free after compilation.
	* tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
	* tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.

2004-09-03  James E Wilson  <wilson@specifixinc.com>

	* tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
	DECL_EXTERNAL check.

2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* final.c (output_in_slot): New global variable.
	(final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
	Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
	'output_in_slot' before invoking output_asm_insn.
	(output_asm_insn): Add a space after the tab if 'output_in_slot'
	is set.
	* config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
	final_scan_insn.
	(output_sibcall): Likewise.

2004-09-03  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
	* tree-ssanames (init_ssanames): Likewise.

2004-09-03  Ziemowit Laski  <zlaski@apple.com>

	* stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
	objc_declare_protocols, objc_start_protocol,
	objc_start_class_interface, objc_start_category_interface,
	objc_continue_interface, objc_finish_interface,
	objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
	objc_start_class_implementation, objc_start_category_implementation,
	objc_continue_implementation, objc_finish_implementation,
	objc_add_method_declaration, objc_start_method_definition,
	objc_finish_method_definition, objc_build_keyword_decl,
	objc_build_method_signature, objc_build_encode_expr,
	objc_build_protocol_expr, objc_build_selector_expr,
	objc_build_message_expr, objc_build_string_object,
	objc_get_class_reference, objc_get_protocol_qualified_type,
	objc_static_init_needed_p, objc_generate_static_init_call): New stubs.

2004-09-03  James E Wilson  <wilson@specifixinc.com>

	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.

	* config/mips/generic.md (generic_frecip_fsqrt_step): New.
	* config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
	(mips_rsqrt2_<fmt>): Use frsqrt2 type.
	(mips_recip1_<fmt>): Use frdiv1 type.
	(mips_recip2_<fmt>): Use frdiv2 type.
	* config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
	* config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
	and frsqrt1.
	(ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.

2004-09-03  Daniel Jacobowitz  <dan@debian.org>

	* reload.c (find_reloads): Swap operand_loc pointers for
	find_dummy_reload if we have swapped two operands.

2004-09-03  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
	to get the tablejump-insn before the jump-table label.

2004-09-03  Ziemowit Laski  <zlaski@apple.com>

	* c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
	objc_declare_protocols, objc_build_message_expr,
	objc_finish_message_expr, objc_build_selector_expr,
	objc_build_protocol_expr, objc_build_encode_expr,
	objc_build_string_object, objc_get_protocol_qualified_type,
	objc_get_class_reference, objc_get_class_ivars,
	objc_start_class_interface, objc_start_category_interface,
	objc_start_protocol, objc_continue_interface, objc_finish_interface,
	objc_start_class_implementation, objc_start_category_implementation,
	objc_continue_implementation, objc_finish_implementation,
	objc_set_visibility, objc_set_method_type, objc_build_method_signature,
	objc_add_method_declaration, objc_start_method_definition,
	objc_finish_method_definition, objc_add_instance_variable,
	objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
	objc_finish_try_stmt, objc_begin_catch_clause,
	objc_finish_catch_clause, objc_build_finally_clause,
	objc_build_synchronized, objc_static_init_needed_p,
	objc_generate_static_init_call): New prototypes.

2004-09-03  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
	is only one reg.
	(ia64_function_value): Ditto.

2004-09-03  Jan Beulich  <jbeulich@novell.com>

	* config.gcc: Resurrect NetWare as a target. Handle special case of
	Novell linker to be used (specified through --with-ld=) and threading
	model of either Posix (default) or NKS.
	* config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
	of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
	* config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
	* config/i386/netware.c, config/i386/netware.h: New.
	* config/i386/nwld.c, config/i386/nwld.h: New.
	* config/i386/netware-crt0.c: New.
	* config/i386/netware-libgcc.c: New.
	* config/i386/netware-libgcc.def: New.
	* config/i386/netware-libgcc.exp: New.
	* config/i386/t-netware, config/i386/t-nwld: New.
	* gthr-nks.h: New.
	* doc/install.texi: Document NKS threading model.

2004-09-03  Jan Beulich  <jbeulich@novell.com>

	PR c/7054
	* defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
	* tree.h (initial_max_fld_align): Declare
	* stor-layout.c (initial_max_fld_align): Define and initialize.
	(maximum_field_alignment): Initialize to the same value.
	* common.opt: Add -fpack-struct= variant of switch.
	* opts.c: Handle -fpack-struct= variant of switch.
	* c-pragma.c: Change #pragma pack() handling so that it becomes
	compatible to other compilers: accept individual 'push' argument,
	make final pop restore (command line) default, correct interaction
	of push/pop and sole specification of a new alignment (so that the
	sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
	to #pragma pack(push, <n>).
	* doc/extend.texi: New node "Structure-Packing Pragmas" under
	"Pragmas", describing #pragma pack.
	* doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
	* doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
	Document new TARGET_DEFAULT_PACK_STRUCT.

2004-09-03  Devang Patel  <dpatel@apple.com>

	* dwarf2out.c (gen_field_die). Equate decl number to die.

2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/15832
	* global.c (modify_reg_pav): New function.
	(make_accurate_live_analysis): Call the new function.  Move pavin
	modification by earlyclobber set into the new function.

2004-09-03  Andreas Schwab  <schwab@suse.de>

	* config/m68k/m68k.c (output_andsi3): Use -1 instead of
	(HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
	extended.

2004-09-02  Jan Beulich  <jbeulich@novell.com>

	* Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
	* mklibgcc.in (libgcc_dep): New, covering general dependencies, but
	not unwind code specific ones.
	(libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
	Remove unwind code specific dependencies.
	(libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
	Remove gbl-ctors.h.
	Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
	LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
	* tsystem.h: Declare memcpy and memset when inhibit_libc.

2004-09-02  Roman Zippel  <zippel@linux-m68k.org>

	* combine.c (try_combine): Delay modifying of insns which cannot
	be easily undone.

2004-09-02  Daniel Berlin  <dberlin@dberlin.org>

	* gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
	tree-loop-im.
	* gcc/tree-ssa-loop.c: Ditto
	* gcc/tree-ssa-loop-ivcanon.c: Ditto
	* gcc/doc/invoke.texi: Ditto.

2004-09-02  Ziemowit Laski  <zlaski@apple.com>

	* c-decl.c (store_parm_decls_newstyle): Make static.
	(store_parm_decls_from): New function.
	* c-tree.h (store_parm_decls_newstyle): Remove prototype.
	(store_parm_decls_from): New prototype.

2004-09-02  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (expand_block_move): Use SImode and
	HImode with STRICT_ALIGNMENT.

2004-09-02  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
	(TARGET_OS_CPP_BUILTINS): Likewise.
	* config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
	TARGET_BPABI_CPP_BUILTINS.

2004-09-02  Roman Zippel  <zippel@linux-m68k.org>

	* combine.c (distribute_notes): Don't add REG_LABEL to jump insn.

2004-09-02  Eric Christopher  <echristo@redhat.com>

	* builtins.c (expand_builtin_cabs): Delete.
	(expand_builtin): If unable to fold the values do a normal
	library call for builtin_cab*.
	(fold_builtin_cabs): Depend on optimize and optimize_size.
	* optabs.c (expand_cmplxdiv_straight): Delete.
	(expand_cmplxdiv_wide): Ditto.
	(expand_vector_binop): Ditto.
	(expand_vector_unop): Ditto.
	(expand_complex_abs): Delete.
	(expand_binop): Remove calls to above functions.
	Remove open coding of complex arithmetic.
	(expand_unop): Ditto.
	* optabs.h: Remove prototypes.

2004-09-02  Ziemowit Laski  <zlaski@apple.com>

	* c-decl.c (store_parm_decls_newstyle): Make externally visible.
	* c-tree.h (store_parm_decls_newstyle): New prototype.

2004-09-02  Geoffrey Keating  <geoffk@apple.com>

	* config/rs6000/rs6000.c (expand_block_clear): Use vector
	instructions if available.
	(expand_block_move): Likewise.

2004-09-03  Jan Hubicka  <jh@suse.cz>

	* rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.

2004-09-02  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/symbian.h (LIB_SPEC): Define to empty.
	* config/arm/t-symbian (SHLIB_LC): Likewise.

2004-09-02  Paul Brook  <paul@codesourcery.com>

	* config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.

2004-09-02  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
	(mips_restore_gp, mips_set_return_address, mips_expand_prologue)
	(mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
	(build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
	(mips_issue_rate): Remove unreachable abort.
	(mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
	(mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
	(mips_block_move_straight, print_operand_address, mips_file_start)
	(mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
	(mips_output_conditional_branch, mips_expand_builtin_direct)
	(mips_expand_builtin_compare): Replace abort with gcc_unreachable.
	* config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
	with gcc_assert.

2004-09-02  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (*lea_high64): Change split condition to
	flow2_completed.  Add a peephole2 to generate a more parallel version.

2004-09-02  Jan Hubicka  <jh@suse.cz>

	* gimplify.c (gimplify_compound_lval): Move "stack" varray out of
	GGC.

	* ggc-page.c: include tree-flow.h.
	(extra_order_size_table): Add stmt_ann_d.
	(STAT_LABEL): Rename from ....
	(LABEL): ... this one.
	* Makefile.in (ggc-page.o): Add dependency.

	* ggc-common.c (ggc_force_collect): New global variable.
	(loc_description): Add fields "freed", "collected"
	(ptr_hash): New static hash
	(ptr_hash_entry): New structure.
	(hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
	(ggc_record_overhead): Take ptr argument, record it
	(ggc_prune_overhead_list, ggc_free_overhead): New functions.
	(cmp_statistics): Imrove sorting.
	(dump_ggc_loc_statistics): Output newly collected statistics
	* ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
	(ggc_free): Call ggc_free_overhead.
	(ggc_collect): Force collection when asked to be forced.
	(ggc_collect): Call ggc_prune_overhead_list.
	* ggc.h (ggc_force_collect): Declare
	(ggc_record_overhead): Update prototype.
	(ggc_free_overhead, ggc_prune_overhead_list): Declare.

2004-09-02  James E Wilson  <wilson@specifixinc.com>

	* common.opt (ftrapping-math): Default to on.

2004-09-02  Richard Earnshaw  <rearnsha@arm.com>

	* arm/predicates.md (arm_reload_memory_operand): Allow MEM.

2004-09-02  Denis Chertykov  <denisc@overta.ru>

	PR target/16884
	* config/avr/avr.md ("movmemhi"): Substitute match_dup to
	match_scratch.
	(*movmemqi_insn): Likewise.
	(*movmemhi): Likewise.
	(clrmemhi): Likewise.
	(*clrmemqi): Likewise.
	(*clrmemhi): Likewise.

2004-09-02  Paul Brook  <paul@codesourcery.com>

	* config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
	default_use_cxa_atexit=yes.

2004-09-02  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
	(struct kernel_old_ucontext): Delete.
	(struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
	(MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
	when IN_LIGGCC2.

2004-09-02  Richard Sandiford  <rsandifo@redhat.com>

	* toplev.c (process_options): Fix typo.

2004-09-01  Richard Henderson  <rth@redhat.com>

	PR middle-end/17258
	* calls.c (initialize_argument_information): Tighten pass-through
	conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
	Use build_fold_addr_expr.
	(emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
	that assumes ADDR_EXPR allocates stack space.
	* fold-const.c (build_fold_addr_expr_with_type): Look through
	WITH_SIZE_EXPR.

2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>

	* gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
	* ggc.h (ggc_alloc_rtx): Delete.

2004-09-01  Roger Sayle  <roger@eyesopen.com>

	* expmed.c (enum alg_code): Remove long unused enumeration values.
	(struct mult_cost): New structure to hold the "score" of a synthetic
	multiply sequence, including both a rtx_cost and a latency field.
	(MULT_COST_LESS): New macro to compare mult_cost to a constant.
	(CHEAPER_MULT_COST): New macro to compare two mult_costs.
	(struct algorithm): Change type of cost field to be mult_cost.
	(synth_mult): Change type of cost_limit argument to be a
	pointer to a mult_cost.  Update all cost comparisons to use the
	new mult_cost infrastructure.  For alg_add_factor and
	alg_sub_factor operations, latency is lower than the rtx_cost.
	(choose_mult_variant):  Update calls to synth_mult.  Perform
	cost comparisons using the new mult_cost infrastructure.
	(expand_mult_highpart): Use alg.cost.cost instead of alg.cost
	to optain the total rtx_cost of a synth_mult "algorithm".

2004-09-01  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/power4.md: Increase store latency to 12.
	* config/rs6000/power5.md: Same.

2004-09-01  James E Wilson  <wilson@specifixinc.com>

	PR target/14064
	* config/avr/avr.c (avr_unique_section): Delete prototype and
	definition.
	(TARGET_ASM_UNIQUE_SECTION): Delete.

2004-09-01  Ziemowit Laski  <zlaski@apple.com>

	* c-parse.in (primary): Call objc_build_message_expr(),
	objc_build_selector_expr(), objc_build_protocol_expr(),
	objc_build_encode_expr() and objc_build_string_object() instead of
	build_message_expr(), build_selector_expr(), build_protocol_expr(),
	build_encode_expr() and build_objc_string_object(), respectively.
	(component_decl_list2): Call objc_get_class_ivars() instead of
	get_class_ivars_from_name().
	(keyworddecl): Call objc_build_keyword_decl() instead of
	build_keyword_decl().
	(receiver): Call objc_get_class_reference() instead of
	get_class_reference().
	(reswords): Add blank line before @@ifobjc section, for clarity.

2002-09-01  Fariborz Jahanian <fjahanian@apple.com>

	* config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
	to Altivec vetors.

2004-09-01  Wu Yongwei  <adah@sh163.net>
	    Danny Smith  <dannysmith@users.sourceforge.net>

	* gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
	not Windows 'DWORD'.
	(__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
	(__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
	(__gthr_win32_recursive_mutex_init_function): Add prototype for
	__GTHREAD_HIDE_WIN32API case..
	(__gthr_win32_recursive_mutex_lock): Likewise.
	(__gthr_win32_recursive_mutex_trylock): Likewise.
	(__gthr_win32_recursive_mutex_unlock): Likewise.
	(__gthread_recursive_mutex_init_function); Add definition for
	__GTHREAD_HIDE_WIN32API case.
	(__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
	* config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
	call to InterlockedDecrement.

2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* tree-tailcall.c (find_tail_calls): Also fail is statement has
	volatile operands.

	* tree-ssa.c (propagate_into_addr): Properly test for LHR.

	* doc/c-tree.texi: Document new operands for ARRAY_REF and
	COMPONENT_REF.

2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
	* common.opt (fspeculative-prefetching): New.
	* flags.h (flag_speculative_prefetching_set): Declare.
	* gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
	values.
	* opts.c (flag_sepculative_prefetching_set): New variable.
	(common_handle_option): Handle -fspeculative-prefetching.
	* passes.c (rest_of_compilation): Ditto.
	* profile.c (instrument_values, compute_value_histograms, branch_prob):
	Use vectors instead of arrays.
	* toplev.c (process_options): Handle -fspeculative-prefetching.
	* rtl-profile.c: Include ggc.h.
	(rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
	rtl_gen_one_value_profiler_no_edge_manipulation,
	rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
	argument changed.
	* tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
	tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
	argument changed.
	* value-prof.c: Include ggc.h.
	(NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
	macros.
	(insn_prefetch_values_to_profile, find_mem_reference_1,
	find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
	speculative_prefetching_transform): New.
	(value_profile_transformations): Call speculative_prefetching_transform.
	(insn_values_to_profile): Call insn_prefetch_values_to_profile.
	(insn_divmod_values_to_profile, rtl_find_values_to_profile,
	tree_find_values_to_profile, find_values to profile): Use vectors
	instead of arrays.
	(free_profiled_values): Removed.
	* value-prof.h (struct histogram_value): Renamed to
	struct histogram_value_t.
	(histogram_value, histogram_values): New types.
	(find_values_to_profile): Declaration changed.
	(free_profiled_values): Removed.
	(struct profile_hooks): Type of argument of the hooks changed to
	histogram_value.
	* doc/invoke.texi (-fspeculative-prefetching): Document.

2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR rtl-optimization/16408
	* gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.

2004-09-01  Richard Henderson  <rth@redhat.com>

	* config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
	(TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.

2004-09-01  Jakub Jelinek  <jakub@redhat.com>

	* libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.

2004-09-01  Mike Stump  <mrs@apple.com>

	* config/darwin.c (machopic_symbol_defined_p): In addition to
	being SYMBOL_REF_LOCAL_P, a symbol must also be
	! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
	defined in this output file, or translation unit in the case
	of IMA not being used.
	(machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
	never need .indirect_symbol when indirecting.

2004-09-01  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (bb-reorder.o): Add several dependencies.

2004-09-01  Jakub Jelinek  <jakub@redhat.com>

	* fold-const.c (operand_equal_p): Require equal sign also for
	FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.

2004-09-01  Richard Earnshaw  <rearnsha@arm.com>

	* config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
	for use in configargs.h.  Put the cname in a separate variable.  Use
	that to set target_cpu_default2.

2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
	    Nick Clifton  <nickc@redhat.com>

	* config/sh/sh.md ("length"): Increase branch length when
	SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
	constant, 2 byte for aligning the constant.

2004-09-01  Richard Earnshaw  <rearnsha@arm.com>

	* arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
	CPU.
	(arm7tdmi-s): New CPU name.
	* arm/arm.c (ARM_CORE): Update for new format.
	* arm/arm.h (ARM_CORE): Likewise.
	* arm/gentune.sh: Update for extra field.
	* config.gcc: Likewise.
	* arm/arm-tune.md: Regenerate.
	* doc/invoke.texi: Document the real processor names for ARM cpus.

2004-09-01  Richard Earnshaw  <rearnsha@arm.com>

	* arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
	(floatdidf): New functions.
	* arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
	(floatdisf): New functions.
	* t-arm-elf: Use them.

2004-09-01  Ziemowit Laski  <zlaski@apple.com>

	* c-common.h (lookup_interface): Remove prototype.
	(is_class_name): Rename to objc_is_class_name.
	(lookup_objc_ivar): Rename to objc_lookup_ivar.
	(get_current_scope): Rename to objc_get_current_scope.
	* c-decl.c (get_current_scope): Rename to objc_get_current_scope.
	* c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
	(yylexname): Call objc_is_class_name() instead of is_class_name().
	* c-typeck.c (build_external_ref): Call objc_lookup_ivar()
	instead of lookup_objc_ivar().
	* stub-objc.c (lookup_interface): Remove stub.
	(is_class_name): Rename to objc_is_class_name.
	(lookup_objc_ivar): Rename to objc_lookup_ivar.

2004-08-31  Mark Mitchell  <mark@codesourcery.com>

	* config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
	* config/arm/lib1funcs.asm: Do not include supplemental .S files
	when compiling for Symbian.
	* config/arm/symbian.h (RENAME_LIBRARY): New macro.
	(TARGET_OS_CPP_BUILTINS): Likewise.
	* config/arm/t-symbian (LIB1ASMFUNCS): Define.

2004-08-31  Stan Shebs  <shebs@apple.com>

	* toplev.c (process_options): Ensure debug_hooks is initialized.

2004-08-31  Mark Mitchell  <mark@codesourcery.com>

	* target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
	* target.h (cxx): Add export_class_data.
	* config/arm/arm.c (arm_cxx_export_class_data): New function.
	(TARGET_CXX_EXPORT_CLASS_DATA): Use it.
	* doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.

2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (output_branch): Check the insn length possibly
	in the delayed slot.

2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
	blank after ')'.
	(op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.

	* c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
	(c_sizeof_of_alignof_type): Likewise.
	* expr.c (array_ref_element_size): Likewise.
	(highest_pow2_factor_for_target): Likewise.
	* gimplify.c (canonicalize_addr_expr): Likewise.
	(gimplify_compound_lval): Likewise.
	* stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
	* varasm.c (assemble_variable): Likewise.
	(output_constant_def_contents): Alignments are unsigned.

2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
	    Jeff Law  <law@redhat.com>

	* tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
	gets modified.

2004-08-31  Mark Mitchell  <mark@codesourcery.com>

	* hooks.c (hook_bool_void_true): New function.
	* hooks.h (hook_bool_void_true): Declare.
	* target-def.h (TARGET_CXX): Add
	TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
	* target.h (struct cxx): Add key_method_may_be_inline.
	* config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
	function.
	(TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
	* config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
	__THUMB_INTERWORK.

2004-08-31  Denis Chertykov  <denisc@overta.ru>

	PR target/15417
	* config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
	frame pointer register only in Pmode while reload in progress.

2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>

	PR target/15334
	* config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
	because it breaks the 32-bit shift patterns that rely on a match_dup.

2004-08-31  Matt Austern  <austern@apple.com>

	* config/darwin.c (darwin_make_decl_one_only): Allocate section
	names once per compilation, instead of once per symbol.

2004-08-31  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (build_subdir): New substitution.
	(fixinc.sh): Simplify heavily since fixincludes is already built.
	(stmp-fixinc): Depend on specs.ready.
	(install-mkheaders): Use new location of fixincludes.
	(clean): Do not descend into fixinc.
	(FORBUILD): Replace with ../$(build_subdir).
	* configure.ac (build_subdir): Substitute.
	(FORBUILD): Do not set.
	(all_outputs): Remove fixinc/Makefile.
	(default commands): Do not create links in fixinc.
	* mkfixinc.sh: New, from fixinc/mkfixinc.sh without
	the fixincludes configuration steps and substituting
	@FIXINCL@ in fixinc.in.
	* fixinc.in: New, from fixinc/fixincl.sh.

	* fixinc/*: Removed.

2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>

	* attribs.c (strip_attrs): Remove.
	(split_specs_attrs): Move ...
	* c-decl.c: ... to here.
	* tree.h (split_specs_attrs, strip_attrs): Remove.
	* c-tree.h (split_specs_attrs): Declare.

2004-08-31  Richard Sandiford  <rsandifo@redhat.com>

	* read-rtl.c: Disable RTL checking.
	(apply_macro_to_rtx): Use XTMPL to access 'T' fields.

2004-08-31  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (fcond): New code macro and attribute.
	(sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
	(seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
	(sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.

2004-08-30  Mark Mitchell  <mark@codesourcery.com>

	Revert:
	2004-08-29  Mark Mitchell  <mark@codesourcery.com>
	PR rtl-optimization/16590
	* gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-30  Andrew Pinski  <apinski@apple.com>

	* hard-reg-set.h:
	s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
	* ChangeLog: Fix previous ChangeLog entry.

	PR rtl-opt/13987
	* config.host (use_long_long_for_widest_fast_int): New, default is
	off.
	(ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
	* configure.ac: If use_long_long_for_widest_fast_int, then
	define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
	* configure: Regenerate.
	* config.in: Regenerate.
	* hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
	New: widest integer type supported efficiently in hardware for the
	host.
	* sbitmap.h (SBITMAP_ELT_BITS): Define based on
	HOST_BITS_PER_WIDEST_FAST_INT.
	(SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
	* hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
	HOST_WIDEST_FAST_INT
	instead of HOST_WIDE_INT.
	(HARD_REG_SET_LONGS): Likewise.
	(UHOST_BITS_PER_WIDE_INT): Likewise.
	Change the checks for the fast cases to be based on
	HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.

2004-08-30  Steven Bosscher  <stevenb@suse.de>

	* cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
	not the pointers.

2004-08-30  Geoffrey Keating  <geoffk@apple.com>

	PR 12738
	PR 17205
	Radar 3460526
	Radar 3775729
	* c-decl.c (grokdeclarator): Produce error for 'static' on local
	function declaration.

2004-08-30  Richard Henderson  <rth@redhat.com>

	* expr.c (array_ref_element_size): Force aligned_size back to
	sizetype.
	(component_ref_field_offset): Similarly for aligned_offset.
	* tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
	low-bound, element-size, field-offset fields rather than
	computed values.

2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
	redundant code.

2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (struct language_function): Add arg_info element.
	* c-decl.c (current_function_arg_info): New.
	(grokdeclarator, store_parm_decls): Use it instead of
	DECL_ARGUMENTS.
	(c_push_function_context, c_pop_function_context): Save and
	restore it.

2004-08-30  Richard Henderson  <rth@redhat.com>

	* c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
	COMPONENT_REF to pointer arithmetic.
	* varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
	constant "c" as a valid constant initializer.  Allow narrowing of
	differences against the same base object, for any base object.

2004-08-30  Richard Henderson  <rth@redhat.com>

	* expr.c (expand_expr_addr_expr): New.
	(expand_expr_real_1) <case ADDR_EXPR>: Use it.

2004-08-30  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
	(mips_fp_condition): New enum.
	(mips_fp_conditions): New array.
	(print_fcc_operand): Delete.
	(print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
	the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
	(builtin_description): Add "cond" field.
	(DIRECT_BUILTIN): Initialize it.
	(CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
	into INSN and CODE.  Initialize the "cond" field.
	(CMP_BUILTINS): Update accordingly.
	(mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
	(mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
	mips_fp_condition as argument.  Make it the final operand of the
	comparison instruction.
	(mips_expand_builtin): Update accordingly.
	* config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
	(UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
	the gaps.
	* config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
	Don't use the 'Q' operand prefix; just print the operand normally.
	(mips_cabs_*, mips_c_*): Delete, replacing with...
	(mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
	patterns.  Split the 4s versions into 2 ps patterns after reload.

2004-08-30  Richard Henderson  <rth@redhat.com>

	* fold-const.c (tree_expr_nonzero_p): Use get_base_address before
	assuming an ADDR_EXPR is non-null.

2004-08-30  Jason Merrill  <jason@redhat.com>

	* gthr-posix.h, gthr-dce.h: Add #pragma weaks.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

	* alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
	record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
	gcc_assert and gcc_unreachable instead of abort.
	* alloc-pool.c (abort, fancy_abort): Remove.
	(create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
	gcc_assert or gcc_unreachable.
	* attribs.c (init_attributes, decl_attributes): Likewise.
	* bb-reorder.c (FREE, find_traces_1_round, copy_bb,
	mark_bb_for_unlikely_executed_section,
	add_labels_and_missing_jumps, fix_crossing_conditional_branches,
	fix_crossing_unconditional_branches):  Likewise.
	* bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
	bitmap_operation):  Likewise.
	* bt-load.c (insn_sets_btr_p, augment_live_range,
	move_btr_def):  Likewise.
	* builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
	apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
	expand_builtin_mathfn_2, expand_builtin_mathfn_3,
	builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
	expand_builtin_memcmp, expand_builtin_args_info,
	std_gimplify_va_arg_expr, expand_builtin_unop,
	expand_builtin_fputs, expand_builtin_profile_func,
	expand_builtin_fork_or_exec, fold_builtin_bitop,
	fold_builtin_classify, fold_builtin_fputs): Likewise.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

	* gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
	* gcov.c (abort): Remove undef.

	* tree.h (BINFO_PRIMARY_BASE_OF): Remove.
	(struct tree_binfo): Remove primary field.

2004-08-30  Paolo Bonzini  <bonzini@gnu.org>

	* fixinc/Makefile.in (machname.h): Remove.
	(fixincl.x): Do not pass $@ to genfixes.
	* fixinc/genfixes: Remove code to produce machname.h.
	* fixinc/fixincl.sh: Move it here instead.
	* fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
	instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
	return a bool indicating whether pz_mn_name_pat is NULL.
	* fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
	Declare extern C variables for the ENV_TABLE.
	* fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
	instead use the result of mn_get_regexps.
	* fixinc/fixtests.c: Likewise.

2004-08-30  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Do not run fixincludes after stage1 during
	toplevel bootstrap.
	* configure: Regenerate.

2004-08-30  Richard Earnshaw  <rearnsha@arm.com>

	* sched-deps.c (get_condition): Partially revert previous, by never
	trying to extract the condition from a condjump.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

	* c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
	(handle_visibility_attribute, c_determine_visibility): Likewise.
	* c-common.h (my_friendly_assert): Remove.

2004-08-30  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
	(UNSPEC_{RSQRT,RECIP}[12]): New constants.
	(UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
	* config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
	(mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.

2004-08-30  Diego Novillo  <dnovillo@redhat.com>

	* tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
	in COMPONENT_REF nodes.

2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	PR c++/15378
	* c-opts.c (c_common_handle_option): <case OPT_Werror> set
	global_dc->warning_as_error_requested.
	* diagnostic.c (diagnostic_initialize): Tidy.
	* diagnostic.h (diagnostic_context::x_data): Remove
	(diagnostic_context::issue_warnings_are_errors_message): Rename
	from warnings_are_errors_message.
	(diagnostic_context::warning_as_error_requested): New.

2004-08-30  Richard Earnshaw  <rearnsha@arm.com>

	* sched-deps.c (get_condition): Fix breakage in previous patch.

2004-08-30  Paul Brook  <paul@codesourcery.com>

	* doc/install.texi: Fix broken mpfr link.

2004-08-29  David O'Brien  <obrien@FreeBSD.org>

	* config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
	other FreeBSD platforms.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

	* arm.h (REVERSE_CONDITION): Define.
	(REVERSIBLE_CC_MODE): All comparisons are now reversible.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

	* flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
	just the codes, call reversed_comparison_code ().
	(ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
	(not_reg_cond): Use reversed_comparison_code.
	(and_reg_cond): Likewise.
	* ifcvt.c (cond_exec_process_if_block): Likewise.
	* doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

	* sched-deps.c (get_condition): Rewrite using jump support functions.
	Use reversed_comparison_code.
	(conditions_mutex_p): Use reversed_comparison_code.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (override_options): Disable hot/cold partitioning
	for MIPS16.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
	(mips_function_type): Move to mips.c.
	* config/mips/mips.c (mips_builtin_type): New enum.
	(builtin_description): Replace code and ftype with builtin_type
	and function_type.
	(DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
	(MOVTF_BUILTINS, CMP_BUILTINS): New macros.
	(CODE_FOR_mips_abs_ps): Define.
	(mips_bdesc): Use new macros.
	(mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
	(mips_init_builtins): Use the mips_bdesc[] index as the function code.
	(mips_expand_builtin_direct): New function.
	(mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
	builtin.  Replace boolean parameter with builtin_type.
	(mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
	(mips_expand_4s_compare_builtin): Delete, replacing with...
	(mips_expand_builtin_compare): ...this new function.

2004-08-29  Mark Mitchell  <mark@codesourcery.com>

	PR rtl-optimization/16590
	* gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-29  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
	* tree-ssa-propagate.c: Fix documentation.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
	(mov[sd]fcc): Likewise.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (divide_condition): New mode attribute.
	(div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
	(sqrt[sd]f3): Redefine using SCALARF.
	(*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
	patterns.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (ANYF, SCALARF): New mode macros.
	(loadx, storex, fmt, UNITMODE): New mode attributes.
	(add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
	(mul[sd]f3): Redefine using :SCALARF.
	(*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
	(*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
	(*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
	Check TARGET_FUSED_MADD for V2SF too.
	(*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
	were already named.
	(abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
	(*[sl][wd]xc1_[sd]i): Redefine using :ANYF.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (mips_init_builtins): Simplify.  Only create
	V2SF_type_node if it will be needed.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
	* config/mips/mips.c (mips_prepare_builtin_arg): New function.
	(mips_prepare_builtin_target): New function.
	(mips_expand_builtin): Use them.  Update calls to subroutines.
	(mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
	cmp_choice with a boolean argument to select between movt and movf.
	Take the comparison's icode as an argument, not the function's fcode.
	(mips_expand_compare_builtin): New function.  Rename existing function
	to mips_expand_scalar_compare_builtin.
	(mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
	(mips_expand_ps_compare_builtin): Use the new functions.  Take the
	comparison's icode as an argument, not the builtin's fcode.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
	(mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
	registers are false and -1 if all registers are true.
	(mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
	MIPS_CMP_UPPER and MIPS_CMP_LOWER.
	* config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
	(bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
	(bc1any2t, bc1any2f): Likewise CCV2.
	(bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
	* config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
	UNSPEC rather than an IF_THEN_ELSE.
	* config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
	mips_cond_move_tf_ps by name.

2004-08-29  Chao-ying Fu  <fu@mips.com>
	    James E Wilson  <wilson@specifixinc.com>

	* config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
	8 byte size and alignment.  Give CCV4 16 byte size and alignment.
	* config/mips/mips-ps-3d.md: New file.
	* config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
	TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
	(mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
	(mips_output_move): Emit "mov.ps" for V2SFmode.
	(mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
	MODE_VECTOR_FLOAT.
	(override_options): Check if TARGET_MIPS3D and there was an explicit
	!TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
	Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
	TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
	TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
	and allow CCV2 and CCV4 to occupy two and four CC registers.
	(print_fcc_operand): New function.
	(print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
	%Z to call print_fcc_operand.
	(mips_function_value): Handle MODE_VECTOR_FLOAT.
	(mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
	(mips_vector_mode_supported_p): New function.
	(mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
	(builtin_description): New struct.
	(mips_bdesc): New array of struct builtin_description.
	(mips_expand_builtin, mips_init_builtins,
	mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
	mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
	functions.
	* config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
	(TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
	(TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
	(TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
	"-mips3d", and "-mno-mips3d".
	(ASM_SPEC): Map -mips3d to -mips3d in gas.
	(EXTRA_CONSTRAINT_Y): New macro.
	(EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
	multi-letter constraint 'Y'.
	(CONSTRAINT_LEN): New macro.
	(enum mips_builtins): New for MIPS builtin functions.
	(enum mips_function_type): New for the types of MIPS builtin functions.
	(enum mips_cmp_choice): New for the MIPS comparison builtin functions.
	* config/mips/mips.md: New constants for paired single and MIPS-3D
	instructions.  Include the new mips-ps-3d.md file.
	(addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
	movv2sf_hardfloat_64bit): New named patterns.
	(madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
	nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
	sdxc1_v2sf_di): New unnamed patterns.
	* config/mips/predicates.md (const_0_operand, const_1_operand): Add
	const_vector support.
	(const_0_or_1_operand): New predicate.
	* doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.

2004-08-29  Diego Novillo  <dnovillo@redhat.com>

	* Makefile.in (OBJS-common): Add tree-ssa-propagate.o
	(tree-ssa-propagate.o): New rule.
	(GTFILES): Add tree-ssa-propagate.c.
	* tree-flow.h (struct stmt_ann_d): Remove field
	in_ccp_worklist.
	* tree-ssa-propagate.c: New file.
	* tree-ssa-propagate.h: New file.
	* tree-ssa-ccp.c: Re-write to use the routines from
	tree-ssa-propagate.c.

2004-08-28  Andrew Pinski  <apinski@apple.com>

	* tree-ssa-loop.c: Remove extra include of basic-block.h.

2004-08-28  Ziemowit Laski  <zlaski@apple.com>

	* c-common.h: Update comments about ObjC/ObjC++ entry points.
	(objc_is_reserved_word): New prototype.
	(get_current_scope, objc_mark_locals_volatile): Move prototypes to
	separate section; these are call-backs.
	* c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
	ObjC/ObjC++ "@" keywords.
	* c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
	prototypes; they already live in c-common.h.
	* stub-objc.c: Update copyright notice.
	(objc_is_reserved_word): New stub.

2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>

	* system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
	even when not checking.

2004-08-27  Jason Merrill  <jason@redhat.com>

	PR c++/13684
	* gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
	(gimple_push_cleanup): Add eh_only parm.
	(gimplify_target_expr): Pass it.
	* c.opt (-fno-threadsafe-statics): New option.
	* c-opts.c (c_common_handle_option): Handle it.
	* c-common.h (flag_threadsafe_statics): Declare it.
	* c-common.c (flag_threadsafe_statics): Record it.
	* doc/invoke.texi: Document it.
	* tsystem.h (_GNU_SOURCE): Define.
	* gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
	(__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
	(__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
	(__gthread_recursive_mutex_init_function): New fn.
	(__gthread_recursive_mutex_lock): New fn.
	(__gthread_recursive_mutex_trylock): New fn.
	(__gthread_recursive_mutex_unlock): New fn.
	* gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
	* gthr-win32.h, gthr-vxworks.h: Likewise.
	* gthr.h: Document.

2004-08-27  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (rs6000_override_options): Increase
	maximum skip to 15.  Set function alignment, jump alignment, and
	loop alignment to 16 for processors that form dispatch groups.
	(rs6000_rtx_costs): outer_code is used.

2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>

	* stor-layout.c (sizetype_set): Remove.
	(set_sizetype): Don't test or set it.

	* tree.h (size_int_type): Remove.
	* fold-const.c: Do not #include gt-fold-const.h.
	(size_htab_hash, size_htab_eq): Remove.
	(size_int_kind): Use build_int_cst.
	(new_const, size_htab): Remove.
	(size_int_type): Remove.
	(round_up): Use build_int_cst.
	(round_down): Likewise. Remove spurious constant build.

2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>

	* configure.ac: Add ENABLE_ASSERT_CHECKING control.
	Add is_release variable, use it for --enable-werror and
	--enable-checking defaults.
	* system.h (gcc_assert, gcc_unreachable): New.
	* doc/install.texi (--enable-checking): Update.
	* configure, config.in: Rebuilt.

2004-08-26  Richard Sandiford  <rsandifo@redhat.com>

	* rtl.h (read_rtx): Change prototype.
	* read-rtl.c (read_rtx): Provide the caller with both an rtx and a
	line number.  Return true on success.
	* gensupport.c (process_include, init_md_reader_args_cb): Adjust
	callers accordingly.

2004-08-26  Richard Henderson  <rth@redhat.com>

	* c-typeck.c (build_offsetof): Remove.
	* c-tree.h (build_offsetof): Remove.
	* c-common.c (fold_offsetof_1, fold_offsetof): New.
	* c-common.h (fold_offsetof): Declare.
	* c-parse.in (offsetof_base): New.
	(offsetof_member_designator): Use it.  Build references, not just
	a tree list.
	(primary): Use fold_offsetof, not build_offsetof.

2004-08-26  Richard Henderson  <rth@redhat.com>

	* tree.c (staticp): Return the static object.
	* tree.h (staticp): Update decl.
	* langhooks.h (struct lang_hooks): Change staticp return type to tree.
	* langhooks.c (lhd_staticp): Return NULL_TREE.
	* langhooks-def.h (lhd_staticp): Update decl.
	* c-common.c (c_staticp): Return the static object.
	* c-common.h (c_staticp): Update decl.

2004-08-26  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
	modes.

2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/13801
	* c-decl.c (struct c_binding): Add type and inner_comp fields.
	(bind): Set type and inner_comp fields.
	(pop_scope): Restore type of decl to the correct type from an
	outer scope.  Give error when popping file scope for incomplete
	arrays completed incompatibly with default initialization in an
	inner scope.
	(diagnose_mismatched_decls): Handle externs with initializers at
	block scope.
	(pushdecl): Set type of external declaration at block scope based
	only on the visible declarations.  Save type when changing the
	type of a declaration.  Merge an external declaration at block
	scope with a visible static declaration at file scope.
	(implicitly_declare): Give recycled old declaration the new type
	except for incompatible declarations of built-in functions, saving
	the old type.

2004-08-26  Ziemowit Laski  <zlaski@apple.com>

	* c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.

2004-08-26  Daniel Berlin  <dberlin@dberlin.org>

	* tree-alias-common.c (gate_pta): New function.
	(pass_build_pta): Use it.
	(pass_del_pta): Use it.
	(delete_alias_vars): Don't check flag_tree_points_to.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

	* config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
	TFmode as additional register mode cloberred by call.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

	* config/rs6000/rs6000.c (rs6000_libcall_value): Generate
	parallel pattern for library call returning DImode in
	mixed mode.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

	* config/rs6000/rs6000.c (function_arg): Generate parallel
	pattern for more split args.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
	either gen_movdi_di_update or gen_movdi_si_update depending on
	target mode.
	* config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
	to generate two versions.

2004-08-26  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in (lambda-code.o): New.
	(lambda-trans.o): Ditto.
	(TREE_DATA_REF_H): Ditto.
	(LAMBDA_H): Ditto.
	(lambda-mat.o): Use LAMBDA_H.
	(tree-data-ref.o): Ditto.
	* lambda-code.c: New file.  Lambda code generation algorithm.
	* lambda-trans.c: Ditto. Lambda transformation matrix support.
	* lambda.h: Add lambda loop structures.
	Add lambda loopnest structures.
	Add lambda body vector structure.
	Add lambda linear expression structures.
	Add prototypes for functions in new files.
	* lambda-mat.c: Include tree.h

2004-08-26  Daniel Berlin <dberlin@dberlin.org>
	    Sebastian Pop  <pop@cri.ensmp.fr>

	* tree-data-ref.h: Include lambda.h
	(free_dependence_relation): Declared here.
	(free_dependence_relations): Ditto.
	(free_data_refs): Ditto.
	* tree-data-ref.c (free_dependence_relation): New function.
	(free_dependence_relations): Ditto.
	(free_data_refs): Ditot.
	(analyze_all_data_dependences): Free datarefs and dependence_relations.
	(build_classic_dist_vector): Store in the dependence_relations the
	information. Each arc in the dependence_relations graph is labelled
	with the distance and direction vectors.
	(build_classic_dir_vector): Ditto.
	(compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
	Now computes again the whole dependence graph including read-read
	relations.
	(compute_data_dependences_for_loop): Now dependence_relations contains
	all the data, and thus it doesn't need to initialize the classic_dir
	and classic_dist vectors.
	(analyze_all_data_dependences): Adjusted for using the new interface of
	compute_data_dependences_for_loop.  Remove the statistics dump.

2004-08-26  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
	(xtensa_expand_block_move): Update comment.
	(override_options): Remove initialization of xtensa_{ld,st}_opcodes.

2004-08026  Richard Earnshaw  <rearnsha@arm.com>

	PR target/13506
	* toplev.c (crash_signal): If we crashed while emitting
	a user asm, then die more gracefully.

2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

	PR target/17119.
	* config/m32r.c (gen_compare): Use reg_or_int16_operand when
	checking for a valid constant, regardless of sign.

2004-08-25  Richard Henderson  <rth@redhat.com>

	PR target/16974
	* config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
	if the constant satisfies add_operand.

2004-08-25  Richard Henderson  <rth@redhat.com>

	PR debug/10695
	* config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
	(alpha_expand_prologue): Handle >32-bit frames.  Generate proper
	unwind info for >16-bit frames.

2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>

	PR target/17171
	* config/i386/gas.h (ASM_COMMENT_START): Define to "#".

2004-08-25  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
	(TARGET_CANNOT_FORCE_CONST_MEM): New.

2004-08-25  Andrew MacLeod  <amacleod@redhat.com>

	* doc/tree-ssa.texi: Document new operand iterator.

2004-08-26  Alan Modra  <amodra@bigpond.net.au>

	PR target/16480
	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
	on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
	as PLUS base regs.

2005-08-28  Paul Brook  <paul@codesourcery.com>

	* config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
	-mfpu=vfp -march=armv5t
	* config/arm/t-symbian: Change multilib to mfloat-abi=softfp.

2004-08-25  Richard Henderson  <rth@redhat.com>

	* target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
	* target.h (struct gcc_target): Add scalar_mode_supported_p.
	* targhooks.c (default_scalar_mode_supported_p): New.
	* targhooks.h (default_scalar_mode_supported_p): Declare.
	* doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.

	* c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
	before attempting to create types.  Tidy.
	* expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.

	* config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
	(TARGET_SCALAR_MODE_SUPPORTED_P): New.

2004-08-25  Richard Henderson  <rth@redhat.com>

	* config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
	set REAL_MODE_FORMAT for TFmode.

2004-08-25  Ziemowit Laski  <zlaski@apple.com>

	* c-decl.c (grokparm): New function.
	* c-tree.h (grokparm): New prototype.

2004-08-25  Andrew MacLeod  <amacleod@redhat.com>

	* tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
	iterator controlling structure.
	(SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
	SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
	SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
	iterator flags.
	(FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
	(FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
	(FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
	(FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
	* tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
	Empty operand pointers.
	* tree-flow-inline.h (op_iter_done): New.  Return true if finished.
	(op_iter_next_use): New.  Return next use_operand_p.
	(op_iter_next_def): New.  Return next def_operand_p.
	(op_iter_next_tree): New.  Return next operands as a tree.
	(op_iter_init): New.  Initialize an iterator structure.
	(op_iter_init_use): New.  Initialize structure and get the first use.
	(op_iter_init_def): New.  Initialize structure and get the first def.
	(op_iter_init_tree): New.  Initialize structure and get the first tree.
	(op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
	(op_iter_init_maydef): New.  Initialize structure and get the first
	V_MAY_DEF operands.
	* tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
	* tree-dfa.c (compute_immediate_uses_for_stmt,
	redirect_immediate_uses): Use new operand iterator.
	(v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
	(mark_new_vars_to_rename): Use new operand iterator.  Count virtual
	operands instead of using *_disappeared_p routines.
	* tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
	ssa_rewrite_stmt): Use new operand iterator.
	* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
	rewrite_trees): Use new operand iterator.
	* tree-pretty-print.c (dump_vops): Use new operand iterator.
	* tree-sra.c (mark_all_v_defs): Use new operand iterator.
	* tree-ssa-alias.c (compute_points_to_and_addr_escape,
	dump_points_to_info): Use new operand iterator.
	* tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
	replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
	operand iterator.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
	propagate_necessity): Use new operand iterator.
	* tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
	(register_definitions_for_stmt): Use new operand iterator.  Take stmt as
	a parameter instead of a stmt_ann_t.
	* tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
	build_tree_conflict_graph): Use new operand iterator.
	* tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
	rewrite_mem_refs): Use new operand iterator.
	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
	check_loop_closed_ssa_use): Use new operand iterator.
	* tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
	* tree-ssanames.c (release_defs): Use new operand iterator.
	* tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.

2004-08-25  Adam Nemet  <anemet@lnxw.com>

	* tlink.c (initial_cwd): New variable.
	(tlink_init): Initialize it.
	(recompile_files): Use tlink_execute() instead of system().  Don't
	duplicate verbose output of collect_execute.  Restore initial_cwd.
	Update comment before the function.

2004-08-25  Ziemowit Laski  <zlaski@apple.com>

	* c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
	accept) a cast from one Objective-C pointer type to another.

2004-08-25  Paolo Carlini  <pcarlini@suse.de>

	* doc/install.texi: Document that libstdc++-v3 requires
	now automake 1.9.1.

2004-08-25  Caroline Tice  <ctice@apple.com>

	* bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
	to comments at start of function.
	* cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
	comment.
	* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
	merge_blocks_move_predecessor_nojumps,
	merge_blocks_move_successor_nojumps, merge_blocks_move,
	try_crossjump_to_edge, try_crossjump_bb): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
	cfg_layout_can_merge_blocks_p):  Likewise.
	* ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
	* passes.c (rest_of_compilation): Update comments for calling
	optimization that partitions hot/cold basic blocks.
	* doc/invoke.texi:  Update documentation of
	freorder-blocks-and-partition flag.

2004-08-25  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (reg): Renamed mode attribute from ccreg.
	(*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.

2004-08-25  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (any_shift): New code macro.
	(optab, insn): New code attributes.
	({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
	Use the standard rather than internal patterns for the MIPS16
	double-shift optimization.
	(*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
	Redefine using :GPR and any_shift.
	(*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
	to cover all three shifts.
	(*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
	Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
	(*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.

2004-08-24  Geoffrey Keating  <geoffk@apple.com>

	* gimplify.c (lookup_tmp_var): Separate temporaries when not
	optimizing.

2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR libstdc++/17005 (fix for HP-UX 11.11)
	* config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
	(hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
	tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
	* config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
	* config/pa/pa-hpux.h (TARGET_HPUX): Define.
	(LINK_SPEC): Handle march=1.0 option.
	* config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
	and _XOPEN_SOURCE_EXTENDED for UNIX 95.
	(SUBTARGET_OPTIONS): New define.
	(LINK_SPEC): Handle march=1.0 option.
	(STARTFILE_SPEC): New define.
	* config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
	and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
	_INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
	(SUBTARGET_OPTIONS): New define.
	(LINK_SPEC): Handle march=1.0 option.
	(STARTFILE_SPEC): New define.
	* config/pa/pa.c (override_options): Add code to process -munix= option.
	* config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
	(TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
	defines.
	(TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
	(SUBTARGET_OPTIONS): Provide default define.
	* config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
	STANDARD_STARTFILE_PREFIX_2): New defines.
	(STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
	(ENDFILE_SPEC): Use %O.
	* doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
	Mention issue caused by changing namespace and runtime to UNIX 95/98.
	* doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
	Document -munix=std option.

2004-08-25  Steven Bosscher  <stevenb@suse.de>

	* cse.c (cse_around_loop, cse_check_loop_start,
	cse_set_around_loop): Remove.
	(cse_basic_block): Remove the around_loop argument.
	(cse_end_of_basic_block): Remove the after_loop argument.
	(cse_main): Likewise.
	* rtl.h (cse_main): Update prototype.
	* passes.c (rest_of_handle_cse, rest_of_handle_cse2,
	rest_of_handle_gcse): Update cse_main calls.

2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>

	* tree.h  (build_int_cst): New, sign extended constant.
	(build_int_cstu): New, zero extended constant.
	(build_int_cst_wide): Renamed from build_int_cst.
	* tree.c (build_int_cst, build_int_cstu): New.
	(build_int_cst_wide): Renamed from build_int_cst.
	(make_vector_type, build_common_tree_nodes,
	build_common_tree_nodes_2): Adjust build_int_cst calls.
	* builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
	expand_builtin_strpbrk, expand_builtin_fputs,
	build_string_literal, expand_builtin_printf,
	expand_builtin_sprintf, fold_builtin_classify_type,
	fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
	fold_builtin_toascii, fold_builtin_isdigit,
	simplify_builtin_strstr, simplify_builtin_strpbrk,
	fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
	* c-common.c (start_fname_decls, fix_string_type, shorten_compare,
	DEF_ATTR_INT): Likewise.
	* c-decl.c (complete_array_type, check_bitfield_type_and_width):
	Likewise.
	* c-lex.c (interpret_integer, lex_charconst): Likewise.
	* c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
	* c-pretty-print.c (pp_c_integer_constant): Likewise.
	* c-typeck.c (really_start_incremental_init, push_init_level,
	set_nonincremental_init_from_string): Likewise.
	* calls.c (load_register_parameters): Likewise.
	convert.c (convert_to_pointer): Likewise.
	coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
	build_fn_info_type, build_fn_info_value, build_ctr_info_value,
	build_gcov_info): Likewise.
	* except.c (init_eh, assign_filter_values): Likewise.
	* expmed.c (store_fixed_bit_field, extract_bit_field,
	extract_fixed_bit_field, extract_split_bit_field, expand_shift,
	expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
	expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
	* expr.c (convert_move, emit_group_load, emit_group_store,
	expand_assignment, store_constructor, store_field,
	expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
	fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
	invert_truthvalue, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, constant_boolean_node,
	fold_div_compare, fold, fold_read_from_constant_string,
	fold_negate_const, fold_abs_const, fold_not_const, round_up,
	round_down): Likewise.
	* function.c (assign_parm_setup_block): Likewise.
	* stmt.c (shift_return_value, expand_case, estimate_case_costs):
	Likewise.
	* stor-layout.c (layout_type, initialize_sizetypes,
	set_min_and_max_values_for_integral_type): Likewise.
	* tree-chrec.c (chrec_fold_multiply_poly_poly,
	reset_evolution_in_loop): Likewise.
	* tree-chrec.h (build_polynomial_chrec): Likewise.
	* tree-complex.c (build_replicated_const): Likewise.
	* tree-eh.c (honor_protect_cleanup_actions,
	lower_try_finally_onedest, lower_try_finally_copy,
	lower_try_finally_switch): Likewise.
	* tree-mudflap.c (mf_build_string, mx_register_decls,
	mudflap_register_call, mudflap_enqueue_constant): Likewise.
	* tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
	Likewise.
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
	Likewise.
	* tree-ssa-loop-ivcanon.c (create_canonical_iv,
	canonicalize_loop_induction_variables): Likewise.
	* tree-vectorizer.c (vect_create_index_for_array_ref,
	vect_transform_loop_bound, vect_compute_data_ref_alignment):
	Likewise.

	* config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
	alpha_gimplify_va_arg_1): Likewise.
	* config/arm/arm.c (arm_get_cookie_size): Likewise.
	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
	* config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
	* config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
	mips_gimplify_va_arg_expr): Likewise.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
	* config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
	add_compiler_branch_island): Likewise.
	* config/s390/s390.c (s390_va_start): Likewise.
	* config/sh/sh.c (sh_va_start): Likewise.
	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
	Likewise.
	* config/xtensa/xtensa.c (xtensa_va_start,
	xtensa_gimplify_va_arg_expr): Likewise.

	* objc/objc-act.c (build_objc_string_object,
	build_objc_symtab_template, init_def_list, init_objc_symtab,
	init_module_descriptor, generate_static_references,
	build_selector_translation_table, get_proto_encoding,
	build_typed_selector_reference, build_selector_reference,
	build_next_objc_exception_stuff,
	build_method_prototype_list_template, generate_descriptor_table,
	generate_protocols, build_protocol_initializer,
	build_ivar_list_template, build_method_list_template,
	build_ivar_list_initializer, generate_ivars_list,
	generate_dispatch_table, generate_protocol_list,
	build_category_initializer, build_shared_structure_initializer,
	generate_shared_structures, handle_impent,
	generate_objc_image_info): Likewise.

2004-04-25  Paolo Bonzini  <bonzini@gnu.org>

	* cfglayout.c (duplicate_insn_chain): Remove references to
	NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
	* cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
	* cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
	* final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
	and NOTE_INSN_LOOP_CONT.
	* insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
	* jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
	and NOTE_INSN_LOOP_CONT.
	* loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
	check_dbra_loop, loop_dump_aux): Remove references to removed notes
	and fields.
	* reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
	* unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
	references to removed notes and fields.
	(subtract_reg_term, ujump_to_loop_cont): Remove.

2004-08-25  Paolo Bonzini  <bonzini@gnu.org>

	* doc/install.texi: Document that libcpp does not require
	Automake any longer.  Document that Automake 1.9.1 should
	work everywhere.

2004-08-25  Zack Weinberg  <zack@codesourcery.com>

	* flags.h (enum debug_info_type): Remove DWARF_DEBUG.
	* defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
	DWARF_DEBUGGING_INFO from choice-of-definition chain;
	restructure using C89 features (#elif, #error).
	* c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
	* config/sh/sh.h: Remove references to DWARF_DEBUG.
	* doc/invoke.texi: Remove references to DWARF version 1;
	clarify why -gdwarf-2<n> doesn't work.

2004-08-25  Zack Weinberg  <zack@codesourcery.com>

	* basic-block.h (BB_SET_PARTITION): Clear old value first.
	* cfg.c (clear_bb_flags): Don't clear partition setting.
	* ifcvt.c (find_if_case_1): Remove ??? comment.

2004-08-25  Alan Modra  <amodra@bigpond.net.au>

	PR target/17052
	* config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
	* config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
	current_function_stdarg in place of sysv_varargs_p.
	* config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
	sysv_varargs_p.

2004-08-24  Richard Henderson  <rth@redhat.com>

	PR target/16298
	* config/i386/i386.c (legitimate_constant_p): Rework to not accept
	random codes within CONST.

2004-08-24  James E Wilson  <wilson@specifixinc.com>

	* Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
	-freorder-blocks-and-partition.

2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/17044
	* tree-ssa-threadupdate.c (redirection_data): Make static.
	(thread_block): Use ggc_alloc_cleared to allocate struct
	redirection_data.  Don't free elements in redirection_data.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/predicates.md (small_data_pattern): Match prefetches.

2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR tree-optimization/17016
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	number_of_iterations_exit): Use POINTER_TYPE_P instead
	of testing for POINTER_TYPE.

2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-ssa-loop-ivcanon.c: New file.
	* tree-ssa-loop-manip.c (create_iv): New function.
	* Makefile.in (tree-ssa-loop-ivcanon.o): Add.
	(tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
	* cfgloop.c (mark_single_exit_loops): New function.
	(verify_loop_structure): Verify single-exit loops.
	* cfgloop.h (struct loop): Add single_exit field.
	(LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
	(mark_single_exit_loops): Declare.
	(tree_num_loop_insns): Declare.
	* cfgloopmanip.c (update_single_exits_after_duplication): New function.
	(duplicate_loop_to_header_edge): Use it.
	* common.opt (fivcanon): New flag.
	* timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
	* tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
	(bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
	(bsi_insert_on_edge_immediate): New function.
	* tree-flow.h (bsi_insert_on_edge_immediate,
	canonicalize_induction_variables, tree_unroll_loops_completely,
	create_iv): Declare.
	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_iv_canon and pass_complete_unroll.
	* tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
	* tree-scalar-evolution.c (get_loop_exit_condition,
	get_exit_conditions_rec, number_of_iterations_in_loop,
	scev_initialize): Use single_exit information.
	* tree-ssa-loop-niter.c (number_of_iterations_cond): Record
	missing assumptions.
	(loop_niter_by_eval):  Return number of iterations as unsigned
	int.
	* tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
	(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
	tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
	New passes.
	(tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
	* tree-ssanames.c (make_ssa_name): Allow creating ssa name before
	the defining statement is ready.
	* tree-vectorizer.c (vect_create_iv_simple): Removed.
	(vect_create_index_for_array_ref, vect_transform_loop_bound):
	Use create_iv.
	(vect_transform_loop_bound): Use single_exit information.
	(vect_analyze_loop_form): Cleanup bogus tests.
	(vectorize_loops): Do not call flow_loop_scan.
	* tree.h (may_negate_without_overflow_p): Declare.
	* fold-const.c (may_negate_without_overflow_p): Split out from ...
	(negate_expr_p): ... this function.
	(tree_expr_nonzero_p): Handle overflowed constants correctly.
	* doc/invoke.texi (-fivcanon): Document.
	* doc/passes.texi: Document canonical induction variable creation.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
	* config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
	using the mode of the operand to decide between them.
	* config/mips/mips.md (MOVECC): New mode macro.
	(ccreg): New mode attribute.
	(*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
	Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
	(mov[sd]icc): Redefine using :GPR.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips-protos.h (mips_emit_prefetch): Delete.
	(mips_prefetch_cookie): New function.
	* config/mips/mips.c (print_operand_address): Fix handling of
	ADDRESS_CONST_INT.
	(mips_emit_prefetch): Delete.
	(mips_prefetch_cookie): New function.
	* config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
	mode of QImode for the address_operand.  Use mips_prefetch_cookie
	to calculate the first "pref" operand.
	(prefetch_[sd]i, prefetch_[sd]i_address): Delete.
	(prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.

2004-08-24  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md: Include predicates.md.
	* predicates.md: New file.
	* arm.c (s_register_operand, arm_hard_register_operand)
	(arm_general_register_operand, f_register_operand, reg_or_int_operand)
	(arm_immediate_operand, arm_neg_immediate_operand)
	(arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
	(arm_add_operand, arm_addimm_operand, arm_not_operand)
	(offsettable_memory_operand, alignable_memory_operand)
	(arm_reload_memory_operand, arm_float_rhs_operand)
	(arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
	(index_operand, shiftable_operator, logical_binary_operator)
	(shift_operator, equality_operator, arm_comparison_operator)
	(minmax_operator, cc_register, dominant_cc_register)
	(arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
	(di_operand, nonimmediate_soft_df_operand, soft_df_operand)
	(const_shift_operand, load_multiple_operation)
	(store_multiple_operation, multi_register_push, thumb_cmp_operand)
	(thumb_cmpneg_operand, thumb_cbrch_target_operand)
	(cirrus_register_operand, cirrus_fp_register)
	(cirrus_shift_const): Delete, replaced with equivalents in
	predicates.md.
	(shift_op): Handle ROTATE.
	* arm-protos.h: Delete declarations for above.
	* arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
	* t-arm (MD_INCLUDES): Add predicates.md.
	(s-preds): Depends on MD_INCLUDES.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
	* config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
	patterns.  Redefine using :GPR.  Give the match_operator a mode.
	Use '%2' rather than '%z2' for operand 2.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
	attribute.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
	of internal patterns.
	(indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
	Redefine using :P.
	(tablejump): Use expand_binop to calculate address.  Adjust names
	of internal patterns.
	(tablejump[sd]i): Renamed from tablejump_internal[12].
	Redefine using :P.
	(tablejump_mips16[12]): Delete.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
	(*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
	(*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
	(*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
	(*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
	(*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
	using :GPR.
	(*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
	(*branch_equality[sd]i): Likewise branch_equality{,_di}.
	(*branch_equality[sd]i_inverted): Likewise
	branch_equality{,_di}_inverted.
	(*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
	Redefine using :GPR.

2004-08-24  Zack Weinberg  <zack@codesourcery.com>

	* rtl.def: Reorganize, placing all codes used only in machine
	descriptions at the end.

	* rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
	* gengtype.c: Don't include rtl.h.  Define enum rtx_code and
	rtx_name, rtx_format arrays by direct reference to rtl.def,
	first undefining GENERATOR_FILE.  Define enum insn_note and
	note_insn_name array by direct reference to insn-notes.def.
	(adjust_field_rtx_def): Remove local definition of rtx_name.
	Use symbolic names for insn notes.
	* Makefile.in (gengtype.o): Update dependencies.

2004-08-24  Zack Weinberg  <zack@codesourcery.com>

	* basic-block.h (struct basic_block_def): Reorder fields to
	eliminate interior padding.  Remove 'partition' field.
	(BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
	(BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
	(BB_COPY_PARTITION): New macros.
	* bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
	Replace all references to the 'partition' field of a basic
	block with new macros.

	* insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
	* final.c (final_scan_insn): Don't handle it.
	* modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
	instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
	* sched-rgn.c (sched_is_disabled_for_current_region_p):
	Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.

2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>

	* c-decl.c (c_init_decl_processing): Adjust
	build_common_tree_nodes call.
	* expmed.c (const_mult_add_overflow_p): Use
	build_distinct_type_copy.
	* stor-layout.c (early_type_list): Remove.
	(layout_type): Don't append to early_type_list.
	(initialize_sizetypes): Add signed_p argument.
	(set_sizetype): Overwrite the stub type nodes directly.
	* tree.c (copy_node_stat): Clear a type's value cache here ...
	(build_distinct_type): ... not here.
	(build_common_tree_nodes): Add signed_sizetype argument. Adjust.
	* tree.h (initialize_sizetypes): Add signed_p argument.
	(build_common_tree_nodes): Likewise.

	* objc/objc-act.c (get_static_reference): Use
	build_variant_type_copy.
	(get_protocol_reference): Likewise.
	* objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.

2004-08-24  Richard Henderson  <rth@redhat.com>
	    Andrew Pinski  <apinski@apple.com>

	* gimplify.c (gimplify_array_ref_to_plus): Delete.
	(gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
	for ARRAY_REF.

	* config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
	ARRAY_REF also to get to the STRING_CST.

2004-08-24  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_override_options): Update error message.
	* config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
	TARGET_HARD_FLOAT_ABI.
	(TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
	(LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.

2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

	PR target/17093
	* config/m32r.md (movsi_sda): Add SI mode specification to
	UNSPEC.

2004-08-24  Nick Clifton  <nickc@redhat.com>

	* config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
	of seth_add3_operand.

2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>

	* Makefile.in (PROTO_OBJS): Add errors.o.
	* protoize.c (fancy_abort): Remove.
	* mips-tfile.c (fancy_abort): Add parameters.

2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>

	* doc/trouble.texi (C++ misunderstandings): Fix example code.

2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>

	* Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
	(host-default.o): Add dependency on HOOKS_H.
	* config/x-linux: Likewise.
	* config/x-solaris: Likewise.
	* config/i386/x-mingw32: Likewise.
	* config/rs6000/x-darwin: Likewise.

2004-08-23  James E Wilson  <wilson@specifixinc.com>

	* reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
	DEF_REG_NOTE.

2004-08-23  Mark Mitchell  <mark@codesourcery.com>

	PR c/14492
	* dwarf2out.c (loc_descriptor_from_tree): Robustify.

2004-08-23  Diego Novillo  <dnovillo@redhat.com>

	* cfg.c (check_bb_profile): Fix typos.
	* function.c (assign_parm_is_stack_parm): Likewise.
	* tree-nested.c: Likewise.

2004-08-23  Daniel Jacobowitz  <dan@debian.org>

	* ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
	Remove TYPECODE.
	(ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.

2004-08-23  Eric Christopher  <echristo@redhat.com>

	* defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
	* system.h (VECTOR_MODE_SUPPORTED_P): Poison.
	* target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
	* target.h: Ditto.
	* hooks.h: Include machmode.h.
	(hook_bool_mode_false): Declare.
	* hooks.c (hook_bool_mode_false): Define.
	* expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
	* stor-layout.c (layout_type): Ditto.
	* config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
	Define to target macro.
	* config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
	* config/arm/arm.c: Ditto. Use.
	* config/arm/arm.h: Ditto.
	* config/arm/arm-protos.h: Ditto.
	* config/i386/i386.c: Ditto.
	* config/i386/i386.h: Ditto.
	* config/rs6000/rs6000.c: Ditto.
	* config/rs6000/rs6000.h: Ditto.
	* config/sh/sh.c: Ditto.
	* config/sh/sh.h: Ditto.
	* config/sh/sh-protos.h: Ditto.
	* config/sh/sh.md: Use.
	* doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
	to TARGET_VECTOR_MODE_SUPPORTED_P.

2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>

	* Makefile.in (BUILD_ERRORS): Set to build-errors.
	(errors.o): New target for host.
	(build-errors.o): New target for build.
	(genobjs): Replace errors.o with build-errors.
	(gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
	(GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
	(fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
	(fix-header.o): Add errors.h
	* collect2.c (fancy_abort): Add parameters.
	* collect2.h (fancy_abort): Don't declare.
	* errors.h (fancy_abort): Don't declare.
	* errors.c: Include either bconfig.h or config.h.
	(fancy_abort): Trim filename.
	* fix-header.c (v_fatal, fatal): Remove.
	(progname): Remove definition.
	(main): Set progname here.
	* gcc.c (fancy_abort): Add parameters.
	* gcc.h (fancy_abort): Remove declaration.
	* gcov.c (fancy_abort): Remove.
	* rtl.h (fancy_abort): Don't declare.
	(abort): Don't define.
	* tree.h (fancy_abort): Don't declare.
	(abort): Don't define.
	* system.h (fancy_abort): Declare.
	(abort): Define to fancy_abort.
	* fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o

	* tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
	(usize_type, ubitsizetype): Remove.
	* stor-layout.c (set_sizetype): Don't initialize usizetype,
	ubitsizetype.
	* fold-const.c (size_diffop): TYPE can never be ubitsizetype.

	* tree.h (build_distinct_type_copy): New.
	(build_type_copy): ... here.  Rename to ...
	(build_variant_type_copy): ... here.
	* tree.c (build_qualified_type): Rename build_type_copy call.
	(build_distinct_type_copy): New, broken out of ...
	(build_type_copy): ... here.  Rename to ...
	(build_variant_type_copy): ... here.  Use
	build_distinct_type_copy.
	(build_common_tree_nodes_2): Rename build_type_copy call.
	* c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
	call.
	(handle_packed_attribute, handle_unused_attribute,
	handle_transparanet_union_attribute, handle_aligned_attribute,
	handle_deprecated_attribute): Likewise.
	* c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
	Likewise.
	* config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Use
	build_distinct_type_copy.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
	attribute.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
	loads and stores.
	(*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
	formerly unnamed patterns.  Redefine using :P for the address.  Remove
	explicit length attributes.

2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
	New functions.
	(single_reachable_address): Use them.
	(schedule_sm): Add dump.
	(is_call_clobbered_ref): New function.
	(determine_lsm_reg): Check whether the reference is call clobbered.
	Only work for gimple_reg_type values.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
	$31 store insns.  Redefine using :GPR.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (P): New mode macro.
	(*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
	(*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
	Add mode attributes.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
	(UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
	later constants to cover the gap.
	(load, store): New mode attributes.
	(mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
	Use new unspec constants.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
	(and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
	to use register_operand rather than uns_arith_operand as the predicate
	for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
	(*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
	Redefine using :GPR.  Make same predicate change here.  Extend the
	commutativity of operands 1 and 2 from the SImode version to the
	DImode one.
	(*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
	but with no predicate changes.
	(*nor[sd]i3): Redefine using :GPR.

2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
	noreturn functions.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
	* config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
	branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
	rather than "%z2" (with a fake const0_rtx for operand 2).
	(ffs[sd]i2): Redefine using :GPR.
	(clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.md (any_extend): New code macro.
	(u, su): New code attributes.
	({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
	({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
	({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
	(*{s,u}mul_acc_di): Redefine using any_extend.
	(*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
	to reflect real insn names.
	(*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
	with an any_extend template.
	({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
	Add '*' to name.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
	* config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
	(mul[sd]i3_r4000): Redefine using :GPR.
	(mulsi3_mult3): Don't check TARGET_MAD separately.
	(muldi3_mult3): Moved after mulsi_mult3.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* config.gcc (mips-*-*): Remove definitions of MASK_GAS and
	OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
	* config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
	(TARGET_GAS, TARGET_MIPS_AS): Delete.
	(TARGET_GPWORD): Define to true for n32 on IRIX.
	(TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
	(MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
	(GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
	(ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
	(MDEBUG_ASM_SPEC): Delete, folding into...
	(SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
	(ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
	(EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
	subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
	to define asm_abi_default_spec.
	(ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
	(TARGET_ASM_SELECT_SECTION): Delete.
	* config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
	for non-mips16 code, removing previous workaround for SGI assemblers.
	(TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
	(TARGET_ASM_ALIGNED_DI_OP): Define this instead.
	(override_options): Remove !TARGET_GAS and !have_named_sections code.
	(print_operand): Fold TARGET_GAS conditionals into asm strings.
	(mips_output_filename): Remove !TARGET_GAS code.  Replace use of
	ASM_STABS_OP and ASM_STABN_OP.
	(mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
	(mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
	(mips_output_function_prologue): Remove !TARGET_GAS code.
	(mips_select_rtx_section): Remove !have_named_sections code.
	(mips_select_section): Delete.
	* config/mips/mips.md (trap): Remove !TARGET_GAS check.
	* config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
	* config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
	(PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
	* config/mips/vxworks.h (ASM_SPEC): As for mips.h.
	* config/mips/windiss.h (ASM_SPEC): Likewise.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* read-rtl.c (map_value, mapping, macro_group): New structures.
	(BELLWETHER_CODE): New macro.
	(modes, codes, bellwether_codes): New variables.
	(find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
	(uses_code_macro_p, apply_code_macro, apply_macro_to_string)
	(apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
	(add_condition_to_rtx, apply_macro_traverse, add_mapping)
	(add_map_value, initialize_macros): New functions.
	(def_hash, def_hash_eq_p): Generalize to anything that points to,
	or starts with, a char * field.
	(find_macro, read_mapping, check_code_macro): New functions.
	(read_rtx_1): New, split out from read_rtx.  Handle the new
	define_{mode,code}_{macro,attr} constructs.  Use find_macro
	to parse the name of a code or mode.  Use BELLWETHER_CODE to
	extract the format and to choose a suitable code for rtx_alloc.
	Modify recursive invocations to use read_rtx_1.
	(read_rtx): Call initialize_macros.  Apply code and mode macros
	to the rtx returned by read_rtx_1.  Cache everything after the
	first macro expansion for subsequent read_rtx calls.
	* doc/md.texi: Document new .md constructs.
	* config/mips/mips.md (GPR): New mode macro.
	(d, si8_di5): New mode attributes.
	(any_cond): New code macro.
	(add[sd]i3): Redefine using :GPR.
	(*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
	(*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
	previously unnamed MIPS16 patterns.
	(*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
	lines.  Don't match (plus (const_int 0) ...).
	(*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
	Use a define_split to generate the addition.
	(sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
	(subsi3_internal): Delete.
	(*subsi3_extended): Renamed from subsi3_internal_2.
	(bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
	(beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
	using an any_cond template.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* read-rtl.c (read_rtx): Tidy use of format_ptr.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

	* read-rtl.c (string_obstack): New file-scope variable.
	(read_string, read_quoted_string, read_braced_string)
	(read_escape): Remove obstack parameter and use string_obstack instead.
	(read_rtx): Remove function-local rtl_obstack and initialize
	string_obstack instead.  Update call to read_string.

2004-08-22  Andrew Pinski  <apinski@apple.com>

	PR c/15262
	* c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
	expression is not constant.
	(c_finish_return): Do not go through INDIRECT_REF when looking
	for the inner expression of an ADDR_EXPR for warning about.

2004-08-22  Richard Henderson  <rth@redhat.com>

	PR 17075
	* cfgexpand.c (expand_gimple_tailcall): Detect when we can both
	create new blocks and fall through.
	(expand_gimple_basic_block): Update to match.

2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>

	* reload.c (find_reloads_address): Make return value tri-state.
	Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
	(find_reloads): Assume that reloaded addresses match 'o' or
	EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
	returned 1 (not -1).  Omit optional reloads for address operands
	only if find_reloads_address returned 1 (not -1).

	* config/s390/s390.c (legitimize_reload_address): New function.
	* config/s390/s390-protos.h (legitimize_reload_address): Declare.
	* config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
	legitimize_reload_address.

2004-08-22  Richard Hendersion  <rth@redhat.com>

	* tree.h (SAVE_EXPR_RESOLVED_P): New.
	* gimplify.c (gimplify_save_expr): Use it.
	* expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
	on the temporary variable.

2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

	* fold-const.c (rtl_expr_nonnegative_p): Delete.
	* tree.h (rtl_expr_nonnegative_p): Remove.

2004-08-22  Steven Bosscher  <stevenb@suse.de>

	* config/i386/ppro.md (ppro_complex_insn): Add missing check
	for cpu==pentiumpro.

	* combine.c (struct reg_stat): Fix comment typo.

2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-tree.h (c_sizeof_nowarn): Remove.

2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c (set_array_declarator_type): Rename to
	set_array_declarator_inner.
	(build_c_parm, build_attrs_declarator, build_function_declarator):
	New functions.
	(make_pointer_declarator): Call build_attrs_declarator.
	* c-tree.h (set_array_declarator_type): Rename to
	set_array_declarator_inner.
	(build_c_parm, build_attrs_declarator, build_function_declarator):
	New prototypes.
	* c-parse.in (after_type_declarator,
	parm_declarator_starttypename, parm_declarator_nostarttypename,
	notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
	firstparm): Use these functions

2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c (build_array_declarator, set_array_declarator_type,
	start_decl, grokdeclarator, grokparms): Change boolean parameters
	to type bool.
	* c-tree.h (build_array_declarator, set_array_declarator_type,
	start_decl): Update prototypes.
	* c-decl.c, c-parse.in: All callers changed.

2004-08-21  Mike Stump  <mrs@apple.com>

	* config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.
	* config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.

2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>

	PR  c++/16030
	* config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
	Remove, merging into ...
	(gen_stdcall_or_fastcall_suffix): New function, returning tree
	rather than const char*, and accepting additional parameter.
	Don't add suffix to '*'-prefixed symbols or variadic functions.
	(i386_pe_encode_section_info): Adjust for call to new function.
	Call change_decl_assembler_name.

2004-08-20  Mike Stump  <mrs@apple.com>

	* config/darwin.c (machopic_indirect_data_reference): Mark
	stubs as defined.
	* config/386/386.c (darwin_local_data_pic): Add.
	(legitimate_constant_p): Reorder so that PLUS handling runs
	before darwin_local_data_pic to match the ordering in
	legitimate_pic_address_disp_p and so that MINUS runs after
	darwin_local_data_pic as otherwise the darwin_local_data_pic
	logic can be skipped, which would be very bad.
	(legitimate_pic_address_disp_p): Move from from here to
	darwin_local_data_pic so it can be reused.

2004-08-21  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/linux64.h (DOT_SYMBOLS): Define.
	(CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
	(ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
	(ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
	(RS6000_ABI_NAME): Define as "linux".
	(SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
	ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
	* config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
	* config/rs6000/rs6000.c (dot_symbols): New global var.
	(rs6000_output_function_entry): New function, modified for
	!DOT_SYMBOLS..
	(print_operand <case 'z'>): ..extracted from here.
	(rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
	(rs6000_output_function_epilogue): Likewise.
	(rs6000_elf_declare_function_name): Likewise.
	* config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
	(ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
	* configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
	* configure: Regenerate.
	* config.in: Regenerate.

2004-08-20  Mark Mitchell  <mark@codesourcery.com>

	* reload.c (find_reloads_address): Fix thinko in previous change.

	* reload.c (find_reloads_address): Reload the sum of a LO_SUM and
	a CONST_INT.

2004-08-20  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/17099
	* combine.c (force_to_mode): Check if inner_mask has any bits set
	outside of GET_MODE (x) instead of op_mode.

2004-08-20  Mark Mitchell  <mark@codesourcery.com>

	* config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
	fragment.
	* config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
	(SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
	* config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
	architecture.
	(SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
	configurations.
	* config/arm/t-symbian: New file.

2004-08-20  Andrew Pinski  <apinski@apple.com>

	* regrename.c (kill_value_regno): ANSIfy.

2004-08-20  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.

2004-08-20  Daniel Jacobowitz  <dan@debian.org>

	* regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
	(kill_value_regno): New function, derived from kill_value.
	(kill_value): Update.
	(copyprop_hardreg_forward_1): Update call to kill_value_regno.

2004-08-20  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/17111
	* tree-ssa-pre.c (create_value_expr_from): Don't change the types
	of non-value_handles.
	(bitmap_set_contains): All constants are in every set.

2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>

	* fold-const.c (round_up, round_down): Use build_int_cst.
	Optimize common case.

2004-08-20  Zack Weinberg  <zack@codesourcery.com>
	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
	one_only_data_section): Rename to som_readonly_data_section,
	som_one_only_readonly_data_section and som_one_only_data_section.
	* config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
	NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
	conditional defines.
	(som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
	NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
	string values.
	(pa_select_section): Use renamed section functions.
	* config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
	SOM_READONLY_DATA_SECTION_FUNCTION,
	SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
	SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
	Define here ...
	* config/pa/som.h: ... not here.
	(DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
	ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
	ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
	ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
	(READONLY_DATA_SECTION): Use som_readonly_data_section.

2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>

	* fold-const.c (int_const_binop): Don't generate non-overflowing
	size-types specially.
	(fold_convert_const): Likewise.

	* stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
	clear cache on copied sizetype.

2004-08-20  Ben Elliston  <bje@au.ibm.com>

	* configure.ac: Don't escape apostrophe in --enable-coverage help.
	* configure: Regenerate.

2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>

	PR 5620
	* gcc.c (struct stat input_stat): Don't define if
	HOST_LACKS_INODE_NUMBERS
	(do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
	than stat to determine if temp file is same as input file.
	* doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
	* config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS

2004-08-20  Richard Sandiford  <rsandifo@redhat.com>

	* configure.ac (mips*-*-*): Print an error if not using GAS.
	* configure: Regenerated.
	* doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
	comments about buggy MIPSpro assemblers.
	* config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
	before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
	Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
	IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
	* config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
	(DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
	(NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
	(TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
	(WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
	of more general IRIX 6 definitions.
	(OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
	(HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
	(TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
	(LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
	(ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
	(PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
	(LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
	(TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
	(ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
	(SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
	(LINK_SPEC): Move most of definition to iris.h.
	(SUBTARGET_LINK_SPEC): New macro.
	(IRIX_STARTFILE_SPEC): Fold into...
	(STARTFILE_SPEC): ...here.
	(IRIX_ENDFILE_SPEC): Fold into...
	(ENDFILE_SPEC): ...here.
	* config/mips/iris6.h (TARGET_IRIX5): Remove override.
	(WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
	(DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
	(LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
	(ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
	(TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
	(DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
	(SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
	(PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
	(ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
	(FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
	(POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
	(SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
	(BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
	(EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
	(DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
	(ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
	(ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
	(TARGET_IRIX6): Define to 1.
	(DRIVER_SELF_SPECS): Define.
	(DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
	(SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
	(SUBTARGET_LINK_SPEC): New macro.
	(IRIX_STARTFILE_SPEC): Fold into...
	(STARTFILE_SPEC): ...here.  Remove !mabi=* case.
	(SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
	(LIB_SPEC, LIBGCC_SPEC): Use them.
	(LIB_SPEC): Remove !mabi=* case.
	(IRIX_ENDFILE_SPEC): Fold into...
	(ENDFILE_SPEC): ...here.  Remove !mabi=* case.
	* config/mips/mips-protos.h (irix_output_external_libcall): Delete.
	* config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
	(TARGET_IRIX6): New macro.
	(ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
	(MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
	(LABEL_AFTER_LOC): Delete.
	* config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
	(TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
	(mips_build_builtin_va_list): Check TARGET_IRIX6.
	(override_options): Remove TARGET_SGI_O32_AS-related code.
	(irix_output_external_libcall): Make static.
	(mips_output_filename): Avoid use of SET_FILE_NUMBER and
	LABEL_AFTER_LOC.
	(mips_file_start): Tidy guard for ABI sections.  Remove use of
	ABICALLS_ASM_OP; use .abicalls instead.
	(mips_output_aligned_decl_common, mips_declare_object_name)
	(mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
	(mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
	.globl foo .text directives.
	(irix_asm_named_section_1, irix_asm_named_section)
	(irix_section_align_entry, irix_section_align_htab)
	(irix_orig_asm_out_file, irix_section_align_entry_eq)
	(irix_section_align_entry_hash, irix_asm_output_align)
	(irix_file_start, irix_section_align_1, copy_file_data)
	(irix_file_end, irix_section_type_flags): Delete.
	* config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
	Use standard section syntax.  Remove protective "jr $31".
	(__gcc_fini): Likewise .gcc_fini.
	* config/mips/irix-crtn.asm: Adjust sections accordingly.
	* config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
	iris5gas.h.
	* config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
	from t-irix-gld.
	(EXTRA_MULTILIB_PARTS): Define.
	* config/mips/t-iris6: Remove bogus comment.
	(EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
	* config/mips/iris5gas.h, config/mips/iris5gld.h,
	config/mips/iris6gas.h, config/mips/iris6gld.h,
	config/mips/t-iris5-as, config/mips/t-iris5-gas
	config/mips/t-irix-gld: Delete.
	* config/mips/iris.h: New file.
	* config/mips/t-slibgcc-irix: Renamed from t-iris5-6.

2004-08-20  Richard Earnshaw  <rearnsha@arm.com>

	* postreload.c (reload_cse_move2add): Allow any condjump, but check
	that the implicit set isn't clobbered in the jump insn.

2004-08-19  Mark Mitchell  <mark@codesourcery.com>

	* defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
	* optabs.c (init_optabs): Don't check it.
	* config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
	* doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.

2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md (s390_warn_framesize_string)
	(s390_warn_dynamic_string, s390_stack_size_string)
	(s390_stack_guard_string): New global string variables.
	(s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
	(s390_stack_guard): New global variables.
	(override_options): Added checks for the new options.
	(s390_emit_prologue): Emit stack check and trap code and perform
	compile time stack size checking.

	* config/s390/s390.h (TARGET_OPTIONS): Added new options
	"warn-framesize", "warn-dynamicstack", "stack-size" and
	"stack-guard".

	* doc/invoke.texi: Added documentation for the new options.

2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>

	* unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
	to eliminate warning.
	(linear_search_fdes): Declare p as unsigned.
	(binary_search_mixed_encoding_fdes): Likewise.
	* unwind-dw2.c (get_cie_encoding): Cast argument to strlen
	to eliminate warning.
	* config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
	type cast.

2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
	* config/s390/s390.c (preferred_la_operand_p): Accept two operands
	instead of one.  Check for strictly legitimate address.
	* config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
	to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.

2004-08-19  Eric Christopher  <echristo@redhat.com>

	* langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
	* langhooks.h (unsave_expr_now): Ditto.
	* tree.h (unsave_expr_1): Remove prototype.
	(lhd_unsave_expr_now): Rename to unsave_expr_now.
	* tree-inline.c (unsave_expr_1): Move here
	from tree.c. Make static.
	(unsave_expr_now): Rename from lhd_unsave_expr_now.
	* tree-sra.c: Fix up for rename.
	* tree-ssa-copy.c: Ditto.
	* tree-eh.c: Ditto.
	* tree.c (unsave_expr_1): Move to tree-inline.c.

2004-08-19  Caroline Tice  <ctice@apple.com>

	* config/i386/cygming.h (switch_to_section):  Fix typo (change
	in_unlikely_text_section to in_unlikely_executed_text).

2004-08-19  Daniel Berlin  <dberlin@dberlin.org>

	* vec.h (VEC_lower_bound): New macro.

2004-08-19  Richard Sandiford  <rsandifo@redhat.com>

	PR target/16446
	* config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
	(mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
	treat each ABI separately.  Deal with n32/n64 complex float arguments.
	(function_arg): Add associated complex handling here.

2004-08-19  Richard Henderson  <rth@redhat.com>

	* config/arm/arm.c (arm_gen_load_multiple): Use
	adjust_automodify_address.  Take base memory and offset instead
	of unchanging/struct/scalar bits.
	(arm_gen_store_multiple): Likewise.
	(arm_gen_movmemqi): Use adjust_automodify_address.
	* config/arm/arm-protos.h: Update decls.
	* config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
	(store_multiple): Similarly.

2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>

	* regclass.c (globalize_reg): Update call_really_used_regs.

2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>

	* doc/invoke.texi (integer-share-limit): Document.

	* tree.h (TYPE_CACHED_VALUES_P): New.
	(TYPE_CACHED_VALUES): New.
	(TYPE_ORIG_SIZE_TYPE): Adjust.
	* tree.def (INTEGER_CST): Update documentation.
	* tree.c: Inlcude params.h.
	(build_int_cst): Cache small values.
	(build_type_copy): Do not copy the value cache.
	* c-common.c (c_common_nodes_and_builtins): Add comment, remove
	unneeded zeroing.
	* c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
	* expmed.c (const_mult_add_overflow_p): Clear type copy's value
	cache.
	* fold-const.c (force_fit_type): Copy value when setting
	overflows.
	(int_const_binop): Likewise.
	* stor-layout.c: Include params.h
	(set_sizetype): Create values cache.
	(fixup_unsigned_type): Set UNSIGNED_P before caching any values.
	* params.def (PARAM_INTEGER_SHARE_LIMIT): New.
	* params.h (INTEGER_SHARE_LIMIT): New.
	* Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.

2004-08-19  Paolo Bonzini  <bonzini@gnu.org>

	* gimplify.c (gimplify_minimax_expr): Remove.
	(gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.

2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>

	* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
	STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.

2004-08-19  Mark Mitchell  <mark@codesourcery.com>

	* bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.

2004-08-18  Andrew Pinski  <apinski@apple.com>

	* varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.

2004-08-18  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
	(__aeabi_ul2f): Likewise.

2004-08-18  Richard Henderson  <rth@redhat.com>

	* config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
	move to rtl completely.
	(struct meminsnbuf, xtensa_emit_block_move): Remove.
	(xtensa_find_mode_for_size): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
	* config/xtensa/xtensa.md (movmemsi_internal): Remove.

2004-08-18  Richard Henderson  <rth@redhat.com>

	* config/mcore/mcore.c (mode_from_align): Remove DImode.
	(block_move_sequence): Rewrite to use adjust_address.
	(mcore_expand_block_move): Cleanup logic.  Accept only operands.
	Return boolean indicating success/failure.
	* config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
	* config/mcore/mcore.md (movmemsi): Update to match.

2004-08-18  Mike Stump  <mrs@apple.com>

	* doc/invoke.texi (-mfix-and-continue): Add support for
	fast turn around debugging.
	(-ffix-and-continue): Likewise.
	(-mindirect-data): Likewise.
	(-findirect-data): Likewise.
	* config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
	(indirect_data): Likewise.
	(machopic_data_defined_p): Likewise.
	(machopic_output_indirection): Likewise.
	(darwin_encode_section_info): Likewise.
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.
	* config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	(SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
	(SUBTARGET_OPTIONS): Likewise.
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.
	(TARGET_FIX_AND_CONTINUE): Likewise.
	* config/rs6000.c (rs6000_emit_prologue): Likewise.

2004-08-19  Steven Bosscher  <stevenb@suse.de>

	* basic-block.h (struct edge_def): Remove crossing_edge.
	(EDGE_CROSSING): New define.
	(EDGE_ALL_FLAGS): Update.
	* bb-reorder.c (find_traces_1_round, better_edge_p,
	find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
	find_jump_block, fix_crossing_conditional_branches,
	fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
	Replace all occurences of crossing_edge with an edge flag check
	or set/reset.
	* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
	try_crossjump_bb): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect,
	commit_one_edge_insertion): Likewise.

	* Makefile.in (cfganal.o): Depend on TIMEVAR_H.
	* tree-flow.h (compute_dominance_frontiers): Move prototype...
	* basic-block.h:  ...here.
	* tree-cfg.c (compute_dominance_frontiers_1,
	compute_dominance_frontiers): Move from here...
	* cfganal.c: ...to here.  Include timevar.h.

2004-08-18  James E Wilson  <wilson@specifixinc.com>

	* config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
	* config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.

	* config/mips/mips.md (type): Add frdiv.
	(divsf3+1, divsf3+2): Change type to frdiv.
	* config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
	ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.

	* config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
	* config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
	* config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
	* config/mips/5000.md (r5k_fdiv_single): Likewise.
	* config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
	* config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
	* config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
	* config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
	* config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
	* config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
	Likewise.
	* config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.

2004-08-18  Robert Bowdidge <bowdidge@apple.com>

	* config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
	get regression tester working again.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

	* insn-notes.def, reg-notes.def: New files.
	* rtl.h: Use them to define enum insn_note and enum reg_note.
	* rtl.c: Use them to define note_insn_name and reg_note_name.
	* Makefile.in (RTL_BASE_H): Update.

	* modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
	renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.

2004-08-18  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (arm_size_rtx_costs): New function.
	(arm_override_options): Use it if optimizing for space.

2004-08-18  Richard Henderson  <rth@redhat.com>

	* emit-rtl.c (gen_const_mem): New.
	* rtl.h (gen_const_mem): Declare.
	* expr.c (do_tablejump): Use it.
	* varasm.c (force_const_mem): Likewise.
	* config/darwin.c (machopic_indirect_data_reference): Likewise.
	(machopic_legitimize_pic_address): Likewise.
	* config/arm/arm.c (legitimize_pic_address): Likewise.
	* config/i386/i386.c (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	* config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
	* config/ia64/ia64.md (load_fptr): Likewise.
	* config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
	* config/pa/pa.c (legitimize_pic_address): Likewise.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
	(rs6000_emit_move): Likewise.
	* config/s390/s390.c (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	* config/s390/s390.md (casesi): Likewise.
	* config/sh/sh.c (sh_reorg): Likewise.
	* config/sparc/sparc.c (legitimize_pic_address): Likewise.
	* config/v850/v850.md (casesi): Likewise.

	* config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
	* config/sh/sh.c (prepare_move_operands): Remove incorrect
	use of MEM_READONLY_P.

2004-08-18  Steven Bosscher  <stevenb@suse.de>

	* Makefile.in (OBJS-common): Add postreload-gcse.c.
	Add new postreload-gcse.o.
	* cse.c (SAFE_HASH): Define as wrapper around safe_hash.
	(lookup_as_function, insert, rehash_using_reg, use_related_value,
	equiv_constant): Use SAFE_HASH instead of safe_hash.
	(exp_equiv_p): Export.  Add for_gcse argument when comparing
	for GCSE.
	(lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
	find_comparison_args, fold_rtx, cse_insn): Update callers.
	(hash_rtx): New function derived from old canon_hash and bits
	from gcse.c hash_expr_1.
	(canon_hash_string): Rename to hash_rtx_string.
	(canon_hash, safe_hash): Make static inline.  Call hash_rtx.
	* cselib.c (hash_rtx): Rename to cselib_hash_rtx.
	(cselib_lookup): Update this caller.
	* gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
	Make static.
	(hash_expr): Call hash_rtx.
	(ldst_entry): Likewise.
	(expr_equiv_p): Call exp_equiv_p.
	(struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
	reg_used_on_edge, reg_set_between_after_reload_p,
	reg_used_between_after_reload_p, get_avail_load_store_reg,
	is_jump_table_basic_block, bb_has_well_behaved_predecessors,
	get_bb_avail_insn, hash_scan_set_after_reload,
	compute_hash_table_after_reload,
	eliminate_partially_redundant_loads, gcse_after_reload,
	get_bb_avail_insn, gcse_after_reload_main): Remove.
	* postreload-gcse.c: New file, reincarnating most of the above.
	* rtl.h (exp_equiv_p, hash_rtx): New prototypes.
	(gcse_after_reload_main): Update prototype.
	* timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
	* passes.c (rest_of_handle_gcse2): Use it.

2004-08-18  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
	(pass_loop_done): Likewise.

2004-08-18  Andrew Pinski  <apinski@apple.com>

	* config/rs6000/darwin.md: Delete the altivec patterns which are
	handled differently now.
	(load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
	(macho_correct_pic_di): Likewise.
	(call_indirect_nonlocal_darwin64): Likewise.
	Delete the save world/saveFP/saveVec patterns.

	Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	* config/rs6000/rs6000.md: Include darwin.md.
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
	Darwin bits.

2004-08-18  Matt Austern  <austern@apple.com>

	Dead code stripping
	* darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
	* darwin.c (darwin_file_end): Mark file as potentially strippable.

2004-08-18  Richard Henderson  <rth@redhat.com>

	* alias.c (readonly_fields_p): Remove.
	(objects_must_conflict_p): Don't call it.
	* tree.h (readonly_fields_p): Remove.
	* langhooks.h (struct lang_hooks): Remove honor_readonly.
	* langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.

2004-08-18  Diego Novillo  <dnovillo@redhat.com>

	* tree-dfa.c (add_referenced_var): Only global variables are
	call-clobbered.
	* tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
	* tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
	all pointers dereferenced if the statement dereferences them.
	(create_name_tags): Do not create memory tags for pointers
	that have PT_ANYTHING set.
	Also check if PT_VARS is not empty before creating a name tag.
	(compute_flow_sensitive_aliasing): Don't mark call-clobbered
	variables that share the same alias set with a pointer that
	may point anywhere.
	(add_may_alias): Add FIXME comment to remove clobbering
	aliased variables and tags.
	(replace_may_alias): Likewise.
	(set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
	(merge_pointed_to_info): If the original variable has not
	points-to information, call set_pt_anything.
	(add_pointed_to_var): Do not prevent adding a pointed-to
	variable if the pointers is PT_ANYTHING.
	If the variable is a global, set PT_GLOBAL_MEM.
	(collect_points_to_info_r): Don't assume that PLUS_EXPRs of
	pointer type only come in PTR+OFFSET flavours.
	Always call merge_pointed_to_info on PHI arguments that are
	SSA_NAMEs.
	(get_nmt_for): Mark call-clobbered tags whose pointer points
	to global memory.
	* tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
	values.
	(get_indirect_ref_operands): Always clear OPF_KILL_DEF from
	FLAGS.
	(add_stmt_operand): Abort if the caller tried to add a killing
	definition for a memory tag.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Remove
	unnecessary checks.

2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>

	* sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
	from call_used_regs.  Update call_really_used_regs.
	(CALL_REALLY_USED_REGISTERS): Define.
	* sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
	Replace call_used_regs with call_really_used_regs.
	(calc_live_regs, sh_media_register_for_return): Likewise.
	(sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
	* sh.md (return_media): Likewise.

2004-08-18  Andrew Pinski  <apinski@apple.com>

	* config/darwin.c (machopic_legitimize_pic_address): Only set
	MEM_READONLY_P in the non TARGET_TOC case.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

	* rtl.def (NIL): Delete.
	* read-rtl.c (read_rtx): Handle (nil) like (define_constants).
	Tighten the syntax a little.

	* cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
	* config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
	* config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
	* config/i386/predicates.md, config/m32r/m32r.h
	* config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
	* config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
	* config/sparc/sparc.h, doc/tm.texi:
	Replace all occurrences of NIL with UNKNOWN.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

	* dojump.c (do_jump <unordered_bcc>): Do not recursively call
	self with a TRUTH_ORIF_EXPR; generate the appropriate jump
	sequence inline.  Move drop_through_label code into this
	block, being the only place it is used.  Adjust comments.

2004-08-18  Fariborz Jahanian <fjahanian@apple.com>

	* config/rs6000/altivec.md: Add new patterns for calls to
	save_world/rest_world functions.

	* config/rs6000/rs6000-protos.h: (save_world_operation,
	restore_world_operation) new declarations.

	* config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
	field added.
	(rs6000_stack_info): Set world_save_p field.
	(save_world_operation): New function.
	(restore_world_operation): New function.
	(compute_save_world_info): New function.
	(rs6000_stack_info): Call compute_save_world_info.
	(rs6000_emit_prologue): Check for world_save_p and generate
	pattern to call save_world for saving all non-volatile and
	special registers.
	(rs6000_emit_epilogue): Check for world_save_p and generate
	pattern to call rest_world to restore saved registers.

	config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
	FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
	(rs6000_reg_names): New entries added for save_world_operation and
	restore_world_operation.

2004-08-18  Caroline Tice  <ctice@apple.com>

	* Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
	"-freorder-blocks-and-partition" to the flags used in second
	stage of profiledbootstrap.
	* bb-reorder.c (push_to_next_round_p): Add new variable,
	next_round_is_last; set and use variable to make sure, when
	partitioning, that the last trace construction round consists
	of all (and only) cold basic blocks.
	(rotate_loop): Don't copy blocks that end in a section
	crossing jump.
	(copy_bb): Correctly initialize "partition" of duplicated bb.
	(add_unlikely_executed_notes): Add a comment.
	(find_rarely_executed_basic_blocks_and_crossing_edges): Modify
	to make sure, if function contains hot blocks, that the
	successors of ENTRY_BLOCK_PTR are hot; also, only look for
	crossing edges if the architecture supports named sections.
	(mark_bb_for_unlikely_executed_section): Modify to always
	insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
	the basic block note insn.
	(fix_crossing_unconditional_branches): Remove extra space.
	(fix_edges_for_rarely_executed_code): Modify to only do
	partitioning work if the architecture supports named sections.
	(reorder_basic_blocks): Modify to only add
	NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
	supports named sections.
	* c-common.c (handle_section_attribute): Initialize new global
	variable, user_defined_section_attribute, to true if user has
	specified one.
	* cfgcleanup.c (try_forward_edges): Modify to not attempt to
	forward edges that cross section boundaries.
	* cfglayout.c (fixup_reorder_chain): Modify to only fix up
	partitioning information if the architecture supports named
	sections.
	* cfgrtl.c (target.h): Add statement to include this.
	(rtl_split_block): Make sure newly created bb gets correct
	partition.
	(try_redirect_by_replacing_jump): Make sure redirection isn't
	attempting to cross section boundaries.
	(force_nonfallthru_and_redirect): Only do partition fix up if
	architecture supports named sections.
	(rtl_split_edge): Make sure newly created bb ends up in
	correct partition.
	(commit_one_edge_insertion): Remove code that incorrectly
	updated basic block partition; Make sure partition fix up only
	happens if architecture supports named sections and it's not
	already done.
	(rtl_verify_flow_info_1): Fix if-condition on test/error
	condition that fallthru edges are not allowed to cross section
	boundaries.
	* defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
	* final.c (final_scan_insn): Remove redundant test from if-statement;
	change calls to text_section into calls to function_section; add code
	to only to partitioning fix up if architecture supports named
	sections.
	* ifcvt.c (find_if_case_1): Make sure newly created bb has correct
	partition.
	(if_convert): Add targetm.have_named_sections to test.
	* output.h (unlikely_section_label): Extern declaration for new global
	variable.
	(unlikely_text_section_name): Likewise.
	* opts.c (decode_options): If both partitioning and DWARF debugging
	are turned on, issue a warning that this doesn't work, and change
	partitiong to basic block reordering (without hot/cold partitions).
	* passes.c (rest_of_handle_final): Re-set new global variable,
	user_defined_section_attribute, to false.
	(rest_of_compilation): Change options for calling partitioning
	function: Don't call if the user defined the section attribute, and
	don't call if DECL_ONE_ONLY is true for the current function.
	* predict.c (choose_function_section): Return immediately if we
	are doing hot/cold partitioning (i.e. let the basic block partitioning
	determine where the function belongs).
	* reg-stack.c (emit_swap_insn): Add condition to step over
	NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
	* toplev.c (user_defined_section_attribute): New global variable.
	* toplev.h (user_defined_section_attribute): Extern declaration
	for new global variable.
	* varasm.c (unlikely_section_label): New global variable.
	(unlikely_text_section_name): New global variable.
	(unlikely_text_section): Add code to initialize
	unlikely_text_section_name if necessary; modify to use
	unlikely_text_section_name and unlikely_section_label; also to use
	named_section properly.
	(in_unlikely_text_section):  Modify to work correctly with
	named_section and to use unlikely_text_section_name.
	(named_section):  Add code to work properly with cold section.
	(function_section): Clean up if-statement.
	* config/darwin.c (darwin_asm_named_section): Return to original
	code, removing use of SECTION_FORMAT_STRING.
	* config/arm/pe.h (switch_to_section):  Add case for
	in_unlikely_executed_text to switch statement.
	* config/i386/cygming.h (switch_to_section): Likewise.
	* config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
	(SECTION_FORMAT_STRING): Likewise.
	* config/mcore/mcore.h (switch_to_section): Likewise.
	* config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
	(SECTION_FORMAT_STRING): Remove.

2004-08-18  Roger Sayle  <roger@eyesopen.com>

	* config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
	-ffixed-reg safe, by preserving the meanings of zero and one.
	(CALL_USED_REGISTERS): Likewise.
	(CONDITIONAL_REGISTER_USAGE): Update to process new encodings.

2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (split_branches): Check the result of
	next_active_insn.
	(sh_output_mi_thunk): Call init_flow if basic_block_info is null.
	Call rtl_register_cfg_hooks.

2004-08-18  Richard Henderson  <rth@redhat.com>

	* rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
	* alias.c (true_dependence): Update to match new semantics.
	(canon_true_dependence, write_dependence_p): Likewise.
	(anti_dependence, output_dependence): Update write_dependence_p args.
	(unchanging_anti_dependence): Remove.
	* calls.c (purge_mem_unchanging_flag): Remove.
	(fixup_tail_calls): Don't call it.
	(expand_call): Don't add unchanging memory to function usage.
	* expr.c (emit_block_move_via_libcall): Likewise.
	(clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
	(get_subtarget): Don't use RTX_UNCHANGING_P.
	(expand_assignment, store_constructor, expand_expr_real_1): Likewise.
	(do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
	* combine.c (get_last_value_validate): Use MEM_READONLY_P.
	* cse.c (insert): Don't use RTX_UNCHANGING_P.
	(cse_insn, canon_hash): Use MEM_READONLY_P.
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
	instead of RTX_UNCHANGING_P.
	* explow.c (maybe_set_unchanging): Remove.
	* expr.h (maybe_set_unchanging): Remove.
	* flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
	* function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
	(assign_parm_setup_reg, expand_function_start): Likewise.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* ra-rewrite.c (emit_colors): Likewise.
	* regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
	(fixup_match_1): Likewise.
	* reload1.c (reload, alter_reg): Likewise.
	* local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
	not RTX_UNCHANGING_P.
	(equiv_init_varies_p): Likewise.
	* loop-invariant.c (check_maybe_invariant): Likewise.
	* resource.c (mark_referenced_resources, mark_set_resources): Likewise.
	* loop.c (note_addr_stored): Likewise.
	(prescan_loop): Likewise. Don't check function usage for clobbered
	unchanging memory.
	* rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
	not RTX_UNCHANGING_P.
	(rtx_varies_p, modified_between_p, modified_in_p): Likewise.
	* varasm.c (force_const_mem): Likewise.
	* stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
	* web.c (entry_register): Likewise.
	* tree-gimple.h (get_base_address): Move decl ...
	* tree.h: ... here.
	* doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.

	* config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
	called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
	(alpha_set_memflags): Update to match.

	* config/darwin.c (machopic_indirect_data_reference): Set
	MEM_READONLY_P instead of RTX_UNCHANGING_P.
	(machopic_indirect_call_target): Likewise.
	(machopic_legitimize_pic_address): Likewise.
	* config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
	arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
	* config/arm/arm.md (load_multiple, store_multiple): Likewise.
	* config/frv/frv.md (symGOT2reg): Likewise.
	* config/i386/i386.c (legitimize_pic_address,
	legitimize_tls_address, ix86_split_to_parts): Likewise.
	* config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
	* config/ia64/ia64.md (load_fptr): Likewise.
	* config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
	* config/m68k/m68k.c (legitimize_pic_address): Likewise.
	* config/mcore/mcore.c (block_move_sequence): Likewise.
	* config/mn10300/mn10300.md (symGOT2reg): Likewise.
	* config/pa/pa.c (legitimize_pic_address): Likewise.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
	(rs6000_emit_move): Likewise.
	* config/s390/s390.c (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	* config/s390/s390.md (casesi): Likewise.
	* config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
	* config/sh/sh.md (symGOT2reg): Likewise.
	* config/sparc/sparc.c (legitimize_pic_address): Likewise.
	* config/v850/v850.md (casesi): Likewise.

	* config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
	* config/iq2000/iq2000.c (save_restore_insns): Likewise.
	* config/mips/mips.c (mips_restore_gp): Likewise.
	(mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
	* config/sh/sh.c (sh_reorg): Likewise.

2004-08-18  Richard Henderson  <rth@redhat.com>

	* tree.h (struct tree_decl): Add gimple_formal_temp.
	(DECL_GIMPLE_FORMAL_TEMP_P): New.
	* gimplify.c (pop_gimplify_context): Clear it.
	(lookup_tmp_var): Set it, if is_formal.
	(gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
	Use is_gimple_val for VECTOR.  Simplify return value.
	(gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
	(gimplify_expr): Likewise.
	* tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
	is_gimple_tmp_rhs for clarity.  Update all callers.
	(is_gimple_reg_rhs): Simplify logic.
	(is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
	clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
	(is_gimple_formal_tmp_reg): Similarly.
	* tree-gimple.h: Update decls.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
	DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
	* tree-ssa-live.c (var_union, type_var_init): Likewise.

2004-08-18  Paolo Bonzini  <bonzini@gnu.org>

	* c4x.c (legitimize_operands): Remove calls to
	preserve_subexpressions_p.

2004-08-18  David Edelsohn  <edelsohn@gnu.org>

	* varasm.c (MAX_OFILE_ALIGNMENT): Move ...
	* defaults.h (MAX_OFILE_ALIGNMENT): ... here.

2004-08-18  Ziemowit Laski  <zlaski@apple.com>

	* gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
	Objective-C++ extensions.
	* gengtype.c (get_file_basename): Match entire subdirectory name
	('cp', 'objc', 'objcp') rather than just its suffix.
	(get_base_file_bitmap): Allow for files to belong to more than one
	language.
	(get_output_file_with_visibility): Treat objc/objc-act.h as a header
	used by more than one front-end.

2004-08-18  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
	avoid use of preserve_subexpressions_p.

2004-08-17  Richard Henderson  <rth@redhat.com>

	PR 17051
	* tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.

2004-08-17  DJ Delorie  <dj@redhat.com>

	* doc/extend.texi: Document new xstormy16 attribute.

	* config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
	(xstormy16_splittable_below100_or_register): New.
	(combine_bnp): New.
	(xstormy16_reorg): New.
	(TARGET_MACHINE_DEPENDENT_REORG): Define.

	* config/stormy16/stormy16.md (movqi_internal): Make name public.
	(movhi_internal): Likewise.
	(cbhranchhi): Likewise.
	(cbhranchhi_neg): Likewise.
	(andhi3): Only allow splittable below100 operands.
	(iorhi3): Likewise.
	(peephole2): New and/zero_extend->and peephole.
	(peephole2): New load/ior/save->set1 peephole.
	(peephole2): New load/and/save->clr1 peephole.
	(bclrx, bclrx2, bclr7, bclr15): New.
	(bsetx, bsetx2, bset7, bset15): New.

	* config/stormy16/stormy16.c (xstormy16_print_operand): Be more
	liberal about acceptable 'B' masks.

	* config/stormy16/stormy16-protos.h
	(xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
	xstormy16_below100_operand, xstormy16_below100_or_register,
	xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
	(PREDICATE_CODES): Add new predicates.

	* config/stormy16/stormy16.c
	(xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
	xstormy16_below100_operand, xstormy16_below100_or_register,
	xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
	(xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
	(xstormy16_legitimate_address_p): Allow below100 symbols.
	(xstormy16_extra_constraint_p): Add 'W' for below100 operands.
	(xstormy16_expand_move): Leave below100 operands as-is.
	(xstormy16_encode_section_info): Encode below100 symbols.
	(xstormy16_strip_name_encoding): New.
	(xstormy16_print_operand): Print 'b' as shift mask.
	(xstormy16_attribute_table): Add below100 attributes.
	(xstormy16_handle_below100_attribute): New.

	* config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
	(XSTORMY16_SECTION_FUNCTION): New.
	(EXTRA_SECTION_FUNCTIONS): Define using the above.
	(ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
	(ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
	(ASM_OUTPUT_LABELREF): Define.

	* config/stormy16/stormy16.md (movqi_internal): Add below100 support.
	(movhi_internal): Add below100 support.
	(andhi3): Add below100 support.
	(iorhi3): Add below100 support.
	(iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.

2004-08-17  James E Wilson  <wilson@specifixinc.com>

	* config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
	of VOIDmode for comparison code mode.
	* config/mips/mips.md: For conditional move patterns, use mode of
	first compare operand for comparison mode, instead of VOIDmode.

	* config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
	normal and -ffast-math code.

2004-08-17  Mark Mitchell  <mark@codesourcery.com>

	PR c++/15871
	* doc/invoke.texi (-fkeep-inline-functions): Update documentation.

2004-08-17  Robert Bowdidge  <bowdidge@apple.com>

	* config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.

2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>

	* config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
	for non Darwin targets.
	(*call_value_nonlocal_darwin64): Likewise.

2004-08-17  Fariborz Jahanian <fjahanian@apple.com>

	* config/rs6000/rs6000.c (rs6000_function_value): Check for
	altivec mode for altivec return register.

2004-08-17  David Edelsohn  <edelsohn@gnu.org>

	Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	* config/rs6000/rs6000.md: Include darwin.md.
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
	Darwin bits.

2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>

	* tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
	trees.
	* tree-vectorizer.h: New File: Same.
	* Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
	* common.opt (ftree-vectorize): New flag to enable vectorization.
	* timevar.def (TV_TREE_VECTORIZATION): New dump file for
	vectorization pass.
	* tree-data-ref.h (init_data_ref): Additional argument.
	(array_base_name_differ_p): Moved to tree-data-ref.c.
	* tree-data-ref.c (array_base_name_differ_p): Revised.
	(initialize_data_dependence_relation): Call array_base_name_differ_p
	with an extra argument.
	(analyze_all_data_dependences): Same.
	(init_data_ref): Additional argument is_read to set DR_IS_READ.
	* tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
	file.
	* tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
	* tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
	* tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
	vectorization pass.
	* tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
	(tree_ssa_loop_done): Call scev_finalize.
	(tree_vectorize): Define the new vectorization pass.
	* defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
	size of the vector they support (until support for multiple vector
	sizes is added to the vectorizer).
	* config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
	* config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
	* invoke.texi (fdump-tree-vect, ftree-vectorize): Add
	documentation.

2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>

	* objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
	usage.
	(generate_protocol_list, handle_impent): Likewise.

2004-08-17  Roger Sayle  <roger@eyesopen.com>

	* regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
	ensure that call_used_regs is a superset of both fixed_regs and
	call_really_used_regs.

2004-08-17  Daniel Bornstein  <danfuzz@milk.com>

	PR target/17019
	* arm.md (addsi3_cbranch_scratch): Correct case labels.

2004-08-17  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/17036
	* fold-const.c (fold): Check for integer operand when
	folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
	Pinski  <pinskia@physics.uc.edu>.

2004-08-17  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
	No need to check if in a cross configuration.
	* configure: Regenerate.

	* calls.c (precompute_register_parameters):
	Inline preserve_subexpressions_p ().
	* expmed.c (expand_mult_const, emit_store_flag): Likewise.
	* optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
	Likewise.
	* expr.c (get_subtarget): Likewise.
	* rtl.h (preserve_subexpressions_p): Remove.
	* stmt.c (preserve_subexpressions_p): Remove.

	* dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
	TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
	Abort on gimplified cases.

2004-08-16  James E Wilson  <wilson@specifixinc.com>

	* tree.h (VECTOR_FLOAT_TYPE_P): New.
	(FLOAT_TYPE_P): Use it.
	* c-typeck.c (build_binary_op): After convert calls, check for
	check for ERROR_MARK operands.

2004-08-16  Zack Weinberg  <zack@codesourcery.com>

	* Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
	(BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
	(genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
	(genobjs static pattern rule): Remove %.c dependency.
	($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
	Rename rules; delete commands; fix dependencies.
	(mostlyclean): Do not delete temporary source copies.
	* configure.ac: Delete all references to BUILD_PREFIX and
	BUILD_PREFIX_1.
	* configure: Regenerate.

	* print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
	Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
	basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
	with #ifndef GENERATOR_FILE so that nothing from those headers
	is used.

	* rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.

2004-08-16  Adam Nemet  <anemet@lnxw.com>

	* Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).

2004-08-16  Andrew Pinski  <apinski@apple.com>

	* target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
	extraneous semicolon.

2004-08-16  Devang Patel  <dpatel@apple.com>

	* c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
	* print-tree.c (print_node): Print DECL_PRESERVE_P.
	* target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
	(TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
	* target.h (struct gcc_target): New member, mark_decl_preserved.
	* hooks.c (hook_void_charptr): Rename to ...
	(hook_void_constcharptr): ... new name.
	* hooks.h (hook_void_charptr): Rename to ..
	(hook_void_constcharptr): ... new name.
	* tree.h (DECL_PRESERVE_P): New #define.
	(struct tree_decl): New member, preserve_flag.
	* varasm.c (assemble_start_function): Mark decl preserved.
	(assemble_variable): Same.
	* darwin.c (darwin_mark_decl_preserved): New function.
	* darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
	* darwin-protos.h (darwin_mark_decl_preserved): New decl.
	* doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.

2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c (grokdeclarator): Allow for function definition where
	innermost declarator has attributes.

2004-08-16  Fariborz Jahanian <fjahanian@apple.com>

	* except.c (get_exception_filter, build_post_landing_pads,
	dw2_build_landing_pads): Use target-specific mode for 'filter'.
	* target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
	* target.h (eh_return_filter_mode): New field added.
	* targhooks.c (default_eh_return_filter_mode): Defined.
	* targhooks.h (default_eh_return_filter_mode): Declared.
	* config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.

2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>

	* configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
	ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
	* configure: Regenerate.

2004-08-16  Stan Shebs  <shebs@apple.com>

	Basic support for 64-bit Darwin.
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	(machopic_legitimize_pic_address): Similarly, plus use Pmode
	instead of SImode.
	* config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
	(TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
	(SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
	(SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
	(PROCESSOR_DEFAULT64): Define.
	* config/rs6000/darwin.md: New file, patterns specific to 64-bit
	Darwin.
	* config/rs6000/rs6000.md: Include darwin.md.
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
	Darwin.
	(TARGET_ASM_ALIGNED_DI_OP): Ditto.
	(rs6000_emit_move): Add DImode case to Darwin bits.
	(machopic_output_stub): Use .quad if 64-bit.
	* invoke.texi: Document -m32 and -m64.

2004-08-16  Janis Johnson  <janis187@us.ibm.com>

	* doc/extend.texi (AltiVec builtins): Document additional differences
	from the Motorola AltiVec PIM.

2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>

	* c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
	* tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
	(struct tree_common): Update public_flag documentation.

2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>

	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Check for artificial variables, not is_gimple_tmp_var.
	* tree-ssa-live.c (var_union): Likewise.

2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>

	* calls.c (load_register_parameters): Remove spurious FIXME token.

2004-08-15  Ziemowit Laski  <zlaski@apple.com>

	* Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
	(c-lang.o): Depend on c-objc-common.h.
	(c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
	c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
	* c-lang.c: Include c-objc-common.h.
	(LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
	LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
	LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
	LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
	LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
	LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
	LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
	LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
	LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
	LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
	LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
	LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
	LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
	LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
	LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
	LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
	LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
	LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
	LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
	LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
	LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
	LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
	LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
	LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
	Move to c-objc-common.h.
	* c-objc-common.c: Include c-objc-common.h.
	* c-objc-common.h: New file.

2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
	    Andrew Pinski  <pinskia@physics.uc.edu>

	PR target/14931
	* config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
	style.

2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>

	* tree.h (build_int_cst): New.
	(build_int_2): Remove.
	* tree.c (build_int_2): Remove.
	(build_int_cst): New.
	(make_vector_type, build_common_tree_nodes,
	build_common_tree_nodes_2): Use build_int_cst.
	* builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
	expand_builtin_strpbrk, expand_builtin_fputs,
	build_string_literal, expand_builtin_printf,
	expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
	fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
	fold_builtin_isdigit, simplify_builtin_strstr,
	simplify_builtin_strpbrk, fold_builtin_fputs,
	simplify_builtin_sprintf): Use build_int_cst.
	* c-common.c (start_fname_decls, fix_string_type,
	c_common_nodes_and_builtins, c_init_attributes,
	shorten_compare): Likewise.
	* c-decl.c (complete_array_type,
	check_bitfield_type_and_width): Likewise.
	* c-lex.c (interpret_integer, lex_charconst): Likewise.
	* c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
	* c-pretty-print.c (pp_c_integer_constant): Likewise.
	* c-typeck.c (really_start_incremental_init, push_init_level,
	set_nonincremental_init_from_string): Likewise.
	* calls.c (load_register_parameters): Likewise.
	* convert.c (convert_to_pointer): Likewise.
	* coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
	build_fn_info_type, build_ctr_info_value, build_gcov_info):
	Likewise.
	* except.c (init_eh, assign_filter_values, assign_filter_values):
	Likewise.
	* expmed.c (store_fixed_bit_field, extract_bit_field,
	extract_fixed_bit_field, extract_split_bit_field, expand_shift,
	expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
	expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
	* expr.c (convert_move, emit_group_load, emit_group_store,
	expand_assignment, store_constructor, store_field,
	expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
	* fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
	invert_truthvalue, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, constant_boolean_node,
	fold_div_compare, fold, fold_read_from_constant_string,
	fold_negate_const, fold_abs_const, fold_not_const): Likewise.
	* function.c (assign_parm_setup_block): Likewise.
	* stmt.c (shift_return_value, expand_end_case_type,
	estimate_case_costs): Likewise.
	* stor-layout.c (layout_type, initialize_sizetypes,
	set_min_and_max_values_for_integral_type): Likewise.
	* tree-chrec.c (chrec_fold_multiply_poly_poly,
	reset_evolution_in_loop): Likewise.
	* tree-chrec.h (build_polynomial_chrec): Likewise.
	* tree-complex.c (build_replicated_const): Likewise.
	* tree-eh.c (honor_protect_cleanup_actions,
	lower_try_finally_onedest, lower_try_finally_copy,
	lower_try_finally_switch): Likewise.
	* tree-mudflap.c (mf_build_string, mx_register_decls,
	mudflap_register_call, mudflap_enqueue_constant): Likewise.
	* tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
	Likewise.
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
	Likewise.

	* config/alpha/alpha.c (alpha_initialize_trampoline,
	alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
	* config/arm/arm.c (arm_get_cookie_size): Likewise.
	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
	* config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
	* config/i860/i860.c (i860_va_start): Likewise.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
	* config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
	mips_gimplify_va_arg_expr): Likewise.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
	* config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
	add_compiler_branch_island): Likewise.
	* config/s390/s390.c (s390_va_start): Likewise.
	* config/sh/sh.c (sh_va_start): Likewise.
	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
	Likewise.
	* config/xtensa/xtensa.c (xtensa_va_start,
	xtensa_gimplify_va_arg_expr): Likewise.

	* objc/objc-act.c (build_objc_string_object,
	build_objc_symtab_template, init_def_list, init_objc_symtab,
	init_module_descriptor, generate_static_references,
	build_selector_translation_table, get_proto_encoding,
	build_typed_selector_reference, build_selector_reference,
	build_next_objc_exception_stuff,
	build_method_prototype_list_template, generate_descriptor_table,
	generate_protocols, build_protocol_initializer,
	build_ivar_list_template, build_method_list_template,
	build_ivar_list_initializer, generate_ivars_list,
	generate_dispatch_table, generate_protocol_list,
	build_category_initializer, build_shared_structure_initializer,
	generate_shared_structures, handle_impent,
	generate_objc_image_info): Use build_int_cst.

2004-08-15  Ben Elliston  <bje@au.ibm.com>

	* vec.h: Comment improvements.

2004-08-14  Roger Sayle  <roger@eyesopen.com>

	* c-common.c (shorten_compare, pointer_int_sum,
	c_common_truthvalue_conversion, boolean_increment): Replace calls
	to build with calls to buildN.
	* c-decl.c (complete_array_type, grokdeclarator): Likewise.
	* c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
	gimplify_switch_stmt): Likewise.
	* c-typeck.c (default_function_array_conversion,
	build_component_ref, build_array_ref, build_function_call,
	pointer_diff, build_unary_op, build_conditional_expr,
	build_compound_expr, build_modify_expr, c_finish_goto_label,
	c_finish_goto_ptr, c_finish_return, c_finish_loop,
	c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
	build_binary_op): Likewise.

2004-08-15  Steven Bosscher  <stevenb@suse.de>

	* rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.

2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
	curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
	* fixinc/fixincl.x: Rebuilt.

2004-08-14  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips-protos.h (mips_symbolic_constant_p)
	(mips_atomic_symbolic_constant_p, mips_stack_address_p)
	(mips_small_data_pattern_p): Declare.
	* config/mips/mips.h (CONST_GP_P): Moved from mips.c.
	(PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
	* config/mips/mips.c (mips_symbolic_constant_p): Make global.
	(mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
	(uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
	(sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
	(reg_or_const_float_1_operand, hilo_operand, extend_operator)
	(macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
	(pc_or_label_operand, call_insn_operand, move_operand)
	(consttable_operand, symbolic_operand, general_symbolic_operand)
	(global_got_operand, local_got_operand, stack_operand)
	(fp_register_operand, lo_operand, fcc_register_operand): Delete.
	(mips_small_data_pattern_1): Renamed from small_data_pattern_1.
	(mips_small_data_pattern_p): Replace previous small_data_pattern
	predicate.  Turn into a bool () (rtx) function.
	* config/mips/predicates.md: New file.
	* config/mips/mips.md: Include it.  Use the target-independent
	comparison_operator instead of cmp_op.  Rename trap_cmp_op to
	trap_comparison_operator and equality_op to equality_operator.
	Replace uses of small_int with the equivalent const_arith_operand.
	Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
	const_float_1_operand to const_1_operand.  Rename fcc_register_operand
	to fcc_reload_operand.
	* config/mips/sb1.md: Rename fp_register_operand to fpr_operand.

2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR libstdc++/17005 partial fix.
	* pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
	except when generating ANSI/C89 code.

2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>

	* c-common.c (shorten_compare): Use force_fit_type directly.

2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
	    Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
	    Dave Korn  <dk@artimi.com>

	* doc/install.texi (Building): Avoid duplicate reference to GNU
	make requirement.
	(*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.

2004-08-14  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
	* config/alpha/alpha.c (function_value): Use PROMOTE_MODE.

2004-08-13  Richard Henderson  <rth@redhat.com>

	* config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
	for constant_call_address_operand.
	(call_value_pop_1, call_value_1): Likewise.
	(sibcall_value_1, call_value_1_rex64): Likewise.

2004-08-13  James E Wilson  <wilson@specifixinc.com>

	* config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
	Correct mode from SFmode to DFmode.

2004-08-13  Ziemowit Laski  <zlaski@apple.com>

	* config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
	__cstring_object and __image_info sections with the no_dead_strip
	attribute.

2004-08-13  Roger Sayle  <roger@eyesopen.com>
	    David Billinghurst  <David.Billinghurst@riotinto.com>

	PR libgfortran/15930
	* fixinc/inclhack.def (irix___generic1, irix___generic2): New.
	* fixinc/fixincl.x: Regenerate.
	* fixinc/tests/base/internal/math_core.h: New file.

2004-08-13  Richard Henderson  <rth@redhat.com>

	* dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
	(dbxout_function_end): Remove ifdefs for it.
	(dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.

2004-08-13  Richard Henderson  <rth@redhat.com>

	* Makefile.in (insn-preds.o): Depend on TREE_H.
	* genpreds.c (write_insn_preds_c): Include tree.h.
	* config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
	reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
	const48_operand, and_operand, or_operand, mode_width_operand,
	mode_mask_operand, mul8_operand, const0_operand,
	hard_fp_register_operand, hard_int_register_operand,
	reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
	samegp_function_operand, direct_call_operand, small_symbolic_operand,
	global_symbolic_operand, call_operand, symbolic_operand,
	dtp16_symbolic_operand, dtp32_symbolic_operand,
	gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
	gottp_symbolic_operand, alpha_comparison_operator,
	alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
	signed_comparison_operator, alpha_fp_comparison_operator,
	divmod_operator, fix_operator, aligned_memory_operand,
	unaligned_memory_operand, reg_or_unaligned_mem_operand,
	any_memory_operand, reg_not_elim_operand, normal_memory_operand,
	reg_no_subreg_operand, addition_operation): Move to predicates.md.
	(reg_or_const_int_operand): Remove.  Replace all users with
	reg_or_cint_operand.
	(tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
	(resolve_reload_operand): Split out of aligned_memory_operand.
	* config/alpha/alpha-protos.h: Update for exports.
	* config/alpha/alpha.h (PREDICATE_CODES): Remove.
	* config/alpha/alpha.md: Include predicates.md.
	* config/alpha/predicates.md: New file.

2004-08-13  Richard Sandiford  <rsandifo@redhat.com>

	* genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
	fields with a pointer to the instruction definition.
	(get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
	(insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
	(write_attr_case, write_const_num_delay_slots): Update accordingly.
	(write_attr_case, write_const_num_delay_slots): Write the name of
	an insn next to its case statement.
	* genoutput.c (data): Add a filename field.
	(gen_insn, gen_peephole, gen_expand, gen_split): Set it.
	(output_insn_data): Print the location of each insn definition.
	* genrecog.c (write_action): Print the name of an insn above
	the statement that returns its code.

2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>

	* config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
	* config/libgloss.h: Likewise.
	* config/arm/arm.c (arm_gen_load_multiple): Likewise.
	* c4x/c4x-modes.def: Likewise.
	* config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
	(c4x_rptb_nop_p): Likewise.
	(c4x_rptb_valid_p): Likewise.
	(c4x_rptb_insert): Likewise.
	(c4x_address_conflict): Likewise.
	* config/c4x/c4x.md: Likewise.
	* config/frv/frv.md: Likewise.
	* config/i386/athlon.md: Likewise.
	* config/i386/i386.md: Likewise.
	* config/i386/predicates.md: Likewise.
	* config/ia64/ia64.c: Likewise.
	* config/ia64/itanium1.md: Likewise.
	* config/ia64/itanium2.md: Likewise.
	* config/iq2000/iq2000.md: Likewise.
	* config/mcore/mcore.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/mips/r3900.h: Likewise.
	* config/mips/sb1.md: Likewise.
	* config/pa/milli64.S: Likewise.
	* config/pa/pa.c: Likewise.
	* config/pa/pa.h: Likewise.
	* config/rs6000/8540.md: Likewise.

2004-08-13  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.

2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>

	* sh.md (cbranch define_delay) Use cond_delay_slot for
	non-anulled condition too.

2004-08-12  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (any_parallel_operand): New predicate.
	* config/rs6000/rs6000.h (PREDICATE_CODES): Add
	any_parallel_operand, lmw_operation, stmw_operation,
	mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
	* config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
	any_parallel_operand.
	(return_and_restore_fpregs_{si,di}): Same.

2004-08-12  Zack Weinberg  <zack@codesourcery.com>

	* genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
	if pred->singleton != PARALLEL, issue a warning and pretend it was.
	Also issue a warning for any predicate we don't know about.

2004-08-12  Richard Henderson  <rth@redhat.com>

	* config/i386/i386.c (internal_label_prefix): Export.
	(internal_label_prefix_len, struct ix86_address,
	ix86_decompose_address, maybe_get_pool_constant,
	ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
	memory_address_length): Export.
	(any_fp_register_operand, fp_register_operand,
	register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
	x86_64_general_operand, x86_64_szext_general_operand,
	x86_64_nonmemory_operand, x86_64_movabs_operand,
	x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
	x86_64_zext_immediate_operand, const_int_1_31_operand,
	symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
	tls_symbolic_operand, global_dynamic_symbolic_operand,
	local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
	local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
	constant_call_address_operand, const0_operand, const1_operand,
	const248_operand, const_0_to_3_operand, const_0_to_7_operand,
	const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
	shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
	general_no_elim_operand, nonmemory_no_elim_operand,
	index_register_operand, q_regs_operand, flags_reg_operand,
	non_q_regs_operand, zero_extended_scalar_load_operand,
	vector_move_operand, no_seg_address_operand, sse_comparison_operator,
	ix86_comparison_operator, ix86_carry_flag_operator,
	fcmov_comparison_operator, promotable_binary_operator,
	cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
	mult_operator, div_operator, arith_or_logical_operator,
	memory_displacement_operand, cmpsi_operand, long_memory_operand,
	aligned_operand): Move to predicates.md as define_predicates.
	(tls_symbolic_operand_1): Remove.
	(x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
	(x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
	(legitimize_address): Merge tls_symbolic_operand contents.
	(ix86_expand_move): Likewise.
	* config/i386/i386-protos.h: Update for exports.
	* config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
	(PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
	* config/i386/i386.md: Include predicates.md.
	* config/i386/predicates.md: New file.

2004-08-13  Mark Mitchell  <mark@codesourcery.com>

	PR c++/16924
	* config/i386/winnt.c (i386_pe_mark_dllexport): Set
	SYMBOL_REF_DECL.
	(i386_pe_mark_dllimport): Likewise.
	(i386_pe_encode_section_info): Likewise, when overriding
	dllimport attribute.

2004-08-12  Geoffrey Keating  <geoffk@apple.com>

	* configure.ac: When testing for flex, nm, ar, and bison, check
	that they will actually be built.
	* configure: Regenerate.

2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
	(MOVE_MAX_PIECES): Define.

2004-08-12  Devang patel  <dpatel@apple.com>

	* dbxout.c (dbxout_begin_prologue): New function.
	(dbx_debug_hooks): Use new begin prologue hook.
	(dbxout_function_end): Emit N_ENSYM.
	* stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.

2004-08-12  Janis Johnson  <janis187@us.ibm.com>

	* config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
	argument is float*.

	* config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
	for vec_dss.

	* doc/extend.texi (AltiVec builtins): Fix description for recent
	changes.  Update operation list to match current support.

2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (struct s390_frame_layout): New struct as element
	of struct machine_function.
	(cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
	changed all uses.
	(cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
	changed all uses.
	(cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
	(cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
	(s390_frame_area, s390_register_info): New functions.
	(s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
	for base register.
	(s390_return_addr_rtx, s390_return_address_offset)
	(s390_va_start, s390_gimplify_va_arg)
	(s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
	layouts.
	(s390_frame_info): Functionality partly moved to s390_register_info.
	Made adaptions for new stack layout.
	(save_gprs, restore_gprs): Changed meaning of second parameter and
	adapted all callers.

	* config/s390/s390.h (s390_backchain_string): New global variable.
	(MASK_BACKCHAIN): Removed definition.
	(TARGET_BACKCHAIN): Changed check.
	(TARGET_KERNEL_BACKCHAIN): New macro.
	(TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
	(TARGET_OPTIONS): Added "backchain", "no-backchain" and
	"kernel-backchain".
	(DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.

	* config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
	as condition.  Adjusted for new stack layout.

	* doc/invoke.texi: Added documentation for new option
	"-mkernel-backchain" and adjusted documentation of "-mbackchain" and
	"-mno-backchain".

2004-08-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
	(aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.

2004-08-12  David Daney  <ddaney@avtrex.com>

	* java/gcj.texi:  Add subsection on signal usage.

2004-08-12  David Edelsohn  <edelsohn@gnu.org>

	* expr.c (move_by_pieces): Set alignment for move to minimum of
	MOVE_MAX_PIECES mode alignment and the largest non-slow mode
	alignment, but not less than the original alignment.
	(move_by_pieces_ninsns): Same.
	(can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
	(store_by_pieces_1): Same.

2004-08-12  Diego Novillo  <dnovillo@redhat.com>

	PR tree-optimization/16867
	* tree.c (is_global_var): New function.
	(needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
	Call is_global_var.
	* tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
	Update all users.
	(is_global_var): Declare.
	* tree-dfa.c (dump_variable): Display global and addressable
	attributes.
	(add_referenced_var): Clarify documentation when marking
	variables call-clobbered.
	* tree-flow-inline.h (is_call_clobbered): Call is_global_var
	instead of needs_to_live_in_memory.
	(mark_call_clobbered): If the variable is a tag, mark it
	DECL_EXTERNAL.
	* tree-gimple.c (is_gimple_reg): Don't check for
	TREE_ADDRESSABLE.
	(is_gimple_non_addressable): Likewise.
	* tree-ssa-alias.c (get_nmt_for): Always check whether the tag
	needs to be marked call-clobbered.
	(setup_pointers_and_addressables): Call is_global_var instead
	of needs_to_live_in_memory.
	* tree-ssa-dce.c (need_to_preserve_store): Remove.
	Update all users with is_global_var.
	(mark_stmt_if_obviously_necessary): Fix processing of aliased
	stores.  Don't check the virtual definitions.  Rather, check
	whether the store is going into global memory.
	(find_obviously_necessary_stmts): Get the symbol from the PHI
	result.
	* tree-ssa-operands.c (get_call_expr_operands): Do not add
	clobbering may-defs if the call does not have side effects.

2004-08-12  Jakub Jelinek  <jakub@redhat.com>

	PR c++/16276
	* output.h (default_function_rodata_section,
	default_no_function_rodata_section): New prototypes.
	* target.h (struct gcc_target): Add asm_out.function_rodata_section.
	* target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
	(TARGET_ASM_OUT): Add it.
	* varasm.c (default_function_rodata_section,
	default_no_function_rodata_section): New functions.
	* final.c (final_scan_insn): Call
	targetm.asm_out.function_rodata_section instead of
	readonly_data_section.
	* config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
	* config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
	Likewise.
	* config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
	Likewise.
	* config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
	Likewise.
	* config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.

2004-08-12  Paul Brook  <paul@codesourcery.com>

	* dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
	frame info.
	* doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
	DWARF2_UNWIND_INFO.

2004-08-12  Ben Elliston  <bje@au.ibm.com>

	PR target/16286
	* config/rs6000/altivec.h: Change vector to __vector throughout.
	(Except for the `vector' macro itself).

2004-08-12  Zack Weinberg  <zack@codesourcery.com>

	* genpreds.c: Add capability to generate predicate bodies as
	well as function prototypes.  Write function prototypes for
	the generic predicates too.
	(process_define_predicate, write_tm_preds_h, write_insn_preds_c)
	(write_predicate_subfunction, mark_mode_tests, add_mode_tests)
	(write_match_code, write_predicate_expr, write_one_predicate_function)
	(parse_option): New functions.
	(output_predicate_decls): Delete.
	(main): Read the machine description, process DEFINE_PREDICATE or
	DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
	as appropriate.

	* genrecog.c (struct decision_test): Replace index with
	struct pred_data pointer.
	(next_index): Remove, unused.
	(pred_table, preds, special_mode_pred_table): Delete.
	(compute_predicate_codes, process_define_predicate): New functions.
	(validate_pattern, add_to_sequence, write_switch): Update for
	new data structures.
	(main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
	Check both error_count and have_error.

	* gensupport.c (in_fname, first_predicate): New globals.
	(define_pred_queue, define_pred_tail): New RTL-pattern queue.
	(predicate_table, last_predicate, old_pred_table)
	(old_special_pred_table): New statics.
	(hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
	(add_predicate, init_predicate_table): New functions.
	(process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
	(init_md_reader_args_cb): Use the global in_fname.  No need to zero
	it or max_include_len.  Call init_predicate_table.
	(read_rtx): Run the predicate queue after the attribute queue
	but before all the others.
	* gensupport.h (in_fname, struct pred_data, first_predicate)
	(lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
	* rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
	(DEFINE_SPECIAL_PREDICATE): New RTL codes.
	* dummy-conditions.c: Don't include bconfig.h, system.h,
	coretypes.h, tm.h, or system.h.  Do include stddef.h.
	Duplicate declaration of struct c_test from gensupport.h.

	* Makefile.in (OBJS-common): Add insn-preds.o.
	(STAGESTUFF, .PRECIOUS): Add insn-preds.c.
	(insn-preds.c, insn-preds.o): New rules.
	(s-preds): Also generate insn-preds.c.
	(dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
	Update dependencies.
	(print-rtl.o, print-rtl1.o): Correct dependencies.

	* recog.h: Delete prototypes of predicate functions.

	* doc/md.texi (Predicates): New section with complete
	documentation of operand/operator predicates.  Remove some
	incomplete documentation of predicates from other places.
	* doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
	PREDICATE_CODES; indicate that both are deprecated in favor
	of define_predicate/define_special_predicate.

	* config/ia64/ia64.c: All predicate function definitions moved
	to ia64.md, except
	(small_addr_symbolic_operand, tls_symbolic_operand): Delete.
	(ia64_expand_load_address, ia64_expand_move):
	Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.

	* config/ia64/ia64.md: All predicates now defined here.
	(symbolic_operand): Is now a special predicate.

	* config/ia64/ia64.h: Declare ia64_section_threshold.
	(PREDICATE_CODES): Delete.

2004-08-12  Richard Henderson  <rth@redhat.com>

	* c-common.h (STATEMENT_LIST_HAS_LABEL): New.
	* c-semantics.c (add_stmt): Set it.
	* c-decl.c (finish_decl): Use it to create a new BIND_EXPR
	before instantiating a variable sized type.

2004-08-12  Richard Henderson  <rth@redhat.com>

	* stor-layout.c (round_up, round_down): Move ...
	* fold-const.c (round_up, round_down): ... here.  Use
	multiple_of_p to avoid any arithmetic at all.

2004-08-12  Richard Henderson  <rth@redhat.com>

	* gimplify.c (struct gimplify_init_ctor_preeval_data): New.
	(gimplify_init_ctor_preeval_1): New.
	(gimplify_init_ctor_preeval): New.
	(gimplify_init_ctor_eval): New.
	(gimplify_init_constructor): Use them.  Always gimplify the LHS
	object first.

2004-08-12  Ziemowit Laski  <zlaski@apple.com>

	(This patch is part of merge of objc-improvements-branch
	into mainline.)

	* doc/frontends.texi: Mention Objective-C++ in addition to
	Objective-C.
	* doc/install.texi: Add 'obj-c++' to list of configurable
	languages.
	* doc/invoke.texi: Rename Objective-C option headings to
	indicate they also apply to Objective-C++.  List file
	extensions for Objective-C++ sources.  Mention that
	ObjC and ObjC++ compilations may also use C and C++ options,
	respectively.  Point users to doc/standards.texi for
	further info on ObjC and ObjC++.
	* doc/sourcebuild.texi: Mention the objcp/ directory and
	the Objective-C++ sources it contains.
	* doc/standards.texi: Update link to Apple ObjC site;
	add link to gcc readings.html WWW doc.

2004-08-12  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
	and 2004-07-14 changes.

2004-08-12  Paul Brook  <paul@codesourcery.com>

	* doc/invoke.texi: Fix typo.

2004-08-11 Devang Patel  <dpatel@apple.com>

	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
	and -no_dead_strip_inits_and_terms.
	(LINK_SPEC): Same.
	* doc/invoke.texi (Darwin Options): Document -dead_strip and
	-no_dead_strip_inits_and_terms.

2004-08-11  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm-protos.h (arm_finalize_pic) Rename ...
	(arm_load_pic_register): ... to this.
	* config/arm/arm.c (arm_finalize_pic): Rename ...
	(arm_load_pic_register): ... to this.  Always output insns at the
	current location.  Load via low reg in thumb mode.
	(arm_expand_prologue): Call arm_load_pic_register.
	(thumb_expand_prologue): Ditto.
	* config/arm/arm.h (FINALIZE_PIC): Remove.
	* config/arm/arm.md (builtin_setjmp_receiver): Call
	arm_load_pic_register.

2004-08-11  Paul Brook  <paul@codesourcery.com>

	* arm.c (thumb_force_lr_save): Add prototype.
	(thumb_compute_save_reg_mask): New function.
	(thumb_find_work_register): New function.
	(arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
	(thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
	Don't clobber r3 when removing pretend args.
	(thumb_expand_prologue): Use thumb_compute_save_reg_mask.
	(thumb_output_function_prologue): Use new functions.
	(thumb_set_return_address): Use thumb_compute_save_reg_mask.
	* arm.h (THUMB_REG_PUSHED_P): Remove.

2004-08-11  James E Wilson  <wilson@specifixinc.com>

	PR rtl-optimization/16490
	* cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
	global_live_at_end for new basic block if already set for other blocks.

2004-08-11 David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.

	* config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
	(mfcr rlwinm rlwinm patterns): Set length to 12.

2004-08-11  Andrew MacLeod  <amacleod@redhat.com>

	* tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
	get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
	(get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
	(start_ssa_stmt_operands): Delete.
	* tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
	struct stmt_operands_d.
	(build_ssa_operands): New extern entry point.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
	building code, replace with create_ssa_artficial_load_stmt().
	* tree-ssa-operands.c (struct voperands_d): Delete.
	(allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
	(allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
	(free_uses, free_defs, free_vuses, free_v_may_defs,
	free_v_must_defs): Remove dealloc parameter.
	(remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
	(finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
	finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
	vector comparisons, ssa_name reuse, and allocations here.
	(verify_start_operands): Delete.
	(finalize_ssa_stmt_operands): Set new operands by calling finalize
	routines.
	(start_ssa_stmt_operands): Move from tree-flow-inline.h.
	(append_def, append_usei): Simplify to simple accumulation.
	(append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
	duplicates and simple accumulation.
	(free_ssa_operands): Free vectors in a stmt_operand structure.
	(build_ssa_operands): New. Create a new stmt_operand structure from
	a stmt and an old set of stmt_operands.
	(get_stmt_operands): Simplify and call build_ssa_operands.
	(get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
	get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
	add_call_read_ops): Don't pass prev_vops around anymore.
	(note_addressable): Return if no stmt annotation.
	(copy_virtual_operands): Access v_may_def operands through a struct.
	(create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
	hash tables without treating the stmt as a real stmt.
	* tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
	v_may_def def and use through a struct instead of 2 array elements.
	(struct v_may_def_optype_d): Use v_may_def_operand_type.
	(struct stmt_operands_d): New.  Struct for storing all operand vectors.

2004-08-11  Nick Clifton  <nickc@redhat.com>

	* config/arm/arm.c (arm_is_longcall_p): Update comment describing
	this funciton's behaviour.  Return true when the current function
	has a section attribute and -mlong-calls is in effect.
	* config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
	short-call marker when -mlong-calls is in effect and the function
	has a section attribute.

2004-08-10  Zack Weinberg  <zack@codesourcery.com>

	* stmt.c (expand_return): If asked to return the RESULT_DECL,
	just call expand_value_return on result_rtl.

2004-08-10  Richard Henderson  <rth@redhat.com>

	* builtins.def (BUILT_IN_STACK_ALLOC): Remove.
	* builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
	* dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
	(add_location_or_const_value_attribute): ... not here.  Use
	loc_descriptor_from_tree if possible.
	(loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
	Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
	values specially.
	(loc_descriptor_from_tree): New.  Update callers.
	* expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
	* gimplify.c (gimplify_decl_expr): Lower variable sized types to
	pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
	(gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
	and BUILT_IN_STACK_RESTORE.
	(gimplify_expr): Lower DECL_VALUE_EXPR decls.
	* stmt.c (expand_stack_alloc): Remove.
	* tree-mudflap.c (mx_register_decls): Don't look for
	BUILT_IN_STACK_ALLOC.
	* tree-nested.c (convert_local_reference): Likewise.
	* tree.h (DECL_VALUE_EXPR): New.

2004-08-10  Richard Henderson  <rth@redhat.com>

	* stor-layout.c (round_up): Check for 0/1 before dividing.
	(round_down): Likewise.

	* tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.

2004-08-09  Mark Mitchell  <mark@codesourcery.com>

	* config.gcc (arm*-*-eabi*): New target.
	* defaults.h (TARGET_LIBGCC_FUNCS): New macro.
	(TARGET_LIB_INT_CMP_BIASED): Likewise.
	* expmed.c (expand_divmod): Try a two-valued divmod function as a
	last resort.
	* gthr.h: Remove bogus tokens at end of #pragma.
	* optabs.c (expand_twoval_binop_libfunc): New function.
	(prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
	(prepare_float_lib_cmp): Try reversing the condition.
	(debug_optab_libfuncs): New function.
	* optabs.h (expand_twoval_binop_libfunc): Declare.
	* config/arm/arm.c (arm_init_libfuncs): New function.
	(arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
	(TARGET_INIT_LIBFUNCS): Define it.
	* config/arm/arm.h (TARGET_BPABI): New macro.
	* config/arm/arm-protos.h
	(arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
	* config/arm/bpabi.S: New file.
	* config/arm/bpabi.c: Likewise.
	* config/arm/bpabi.h: Likewise.
	* config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
	(__aeabi_drsub): Likewise.
	(__aeabi_dsub): Likewise.
	(__aeabi_dadd): Likewise.
	(__aeabi_ui2d): Likewise.
	(__aeabi_i2d): Likewise.
	(__aeabi_f2d): Likewise.
	(__aeabi_dmul): Likewise.
	(__aeabi_ddiv): Likewise.
	(__aeabi_cdrcmple): Likewise.
	(__aeabi_cdcmpeq): Likewise.
	(__aeabi_cdcmple): Likewise.
	(__aeabi_dcmpeq): Likewise.
	(__aeabi_dcmplt): Likewise.
	(__aeabi_dcmple): Likewise.
	(__aeabi_dcmpge): Likewise.
	(__aeabi_dcmpgt): Likewise.
	(__aeabi_dcmpun): Likewise.
	(__aeabi_d2iz): Likewise.
	(__aeabi_d2uiz): Likewise.
	(__aeabi_d2f): Likewise.
	* config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
	(__aeabi_frsub): Likewise.
	(__aeabi_fsub): Likewise.
	(__aeabi_fadd): Likewise.
	(__aeabi_ui2f): Likewise.
	(__aeabi_i2f): Likewise.
	(__aeabi_fmul): Likewise.
	(__aeabi_fdiv): Likewise.
	(__aeabi_cfrcmple): Likewise.
	(__aeabi_cfcmpeq): Likewise.
	(__aeabi_cfcmple): Likewise.
	(__aeabi_fcmpeq): Likewise.
	(__aeabi_fcmplt): Likewise.
	(__aeabi_fcmple): Likewise.
	(__aeabi_fcmpge): Likewise.
	(__aeabi_fcmpgt): Likewise.
	(__aeabi_fcmpun): Likewise.
	(__aeabi_f2iz): Likewise.
	(__aeabi_f2uiz): Likewise.
	* config/arm/lib1funcs.asm (ARM_CALL): New macro.
	(__aeabi_uidivmod): New function or alias.
	(__aeabi_idivmod): Likewise.
	(__aeabi_idiv0): Likewise.
	(__aeabi_ldiv0): Likewise.
	(__aeabi_llsr): Likewise.
	(__aeabi_lasr): Likewise.
	(__aeabi_llsl): Likewise.
	(bpabi.S): Include it.
	* config/arm/libgcc-bpabi.ver: New file.
	* config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
	(LINK_SPEC): Remove.
	* config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
	__aeabi_ulcmp.
	* config/arm/t-bpabi: New file.
	* doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
	(TARGET_LIB_INT_CMP_BIASED): Likewise.

2004-08-10  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
	* config/rs6000/rs6000.md (clrmemsi): New pattern.
	* config/rs6000/rs6000.c (expand_block_clear): New function.
	(expand_block_move): Convert alignment to bits.  Use SImode and
	HImode for unaligned addresses if not STRICT_ALIGNMENT.

2004-08-10  Caroline Tice  <ctice@apple.com>

	* varasm.c (unlikely_section_label): New global variable.
	(unlikely_text_section_name): New global variable.
	(text_section):  Remove alignment statement.
	(unlikely_text_section): Remove alignment statement; use
	unlikely_section_label rather than hard-coded string.
	(assemble_start_function): Initialize unlikely_section_label and
	unlikely_text_section_name;  make sure cold section is properly
	aligned at start of function; output unlikely_section_label if
	appropriate.

2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>

	* config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
	* config/s390/s390.c (s390_canonicalize_comparison): New function.
	* config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
	* config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
	"*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
	("*tmqi_mem"): Remove SUBREG from pattern.
	("*anddi3_cconly"): Prevent accidentally matching TM pattern.
	("*andsi3_cconly"): Likewise.

2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/16909
	* config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.

2004-08-10  Janis Johnson  <janis187@us.ibm.com>

	* doc/sourcebuild.texi (compat testing): Document available test
	framework commands.  Use the preferred spelling of DejaGnu.

2004-08-10  Daniel Berlin <dberlin@dberlin.org>

	* lambda.h: Add matrix type, and prototypes for remainder of
	matrix and vector functions.
	(lambda_vector_mult_const): New function.
	(lambda_vector_negate): Ditto.
	(lambda_vector_add): Ditto.
	(lambda_vector_add_mc): Ditto.
	(lambda_vector_copy): Ditto.
	(lambda_vector_zerop): Ditto.
	(lambda_vector_equal): Ditto.
	(lambda_vector_min_nz): Ditto.
	(lambda_vector_first_nz): Ditto.
	(lambda_vector_matrix_mult): Ditto.
	* lambda-mat.c: New file.
	* Makefile.in (lambda-mat.o): New.

2004-08-10  Andrew MacLeod  <amacleod@redhat.com>

	* tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
	after linking stmt into the program.
	(bsi_remove): Don't call modify_stmt.
	* tree-complex.c (update_complex_assignment,
	expand_complex_comparison): Call modify_stmt after changing the stmt.
	* tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
	removing the stmt.
	* tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
	the stmt, and only if needed.
	* tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
	expression.
	(simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
	(simplify_cond_and_lookup_avail_expr): Use modify_stmt.
	(simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
	(eliminate_redundant_computations): Don't pass an annotation. Call
	modify_stmt rather than setting the annotation directly.
	(record_equivalences_from_stmt): Remove unused local 'j'.
	(cprop_operand): Take a stmt rather than an annotation as a parameter.
	Call modify_stmt.
	(cprop_into_stmt): Pass stmt rather than annotation.
	(update_rhs_and_lookup_avail_expr): Call modify_stmt.
	* tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
	modify_stmt.
	* tree-ssa.c (propagate_into_addr): Dont call modify_stmt.

2004-08-10  Jason Merrill  <jason@redhat.com>

	PR middle-end/16948
	* function.c (expand_function_start): Handle DECL_BY_REFERENCE on
	the RESULT_DECL.

2004-08-10  Geoffrey Keating  <geoffk@apple.com>

	* tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
	hash function.

2004-08-10  Roger Sayle  <roger@eyesopen.com>

	* config/mips/mips.md: New reciprocal square root patterns that
	match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.

2004-08-10  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm-protos.h (arm_set_return_address,
	thumb_set_return_address): Add prototypes.
	* config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
	* config/arm/arm.c (arm_compute_func_type,
	use_return_insn, arm_compute_save_reg0_reg12_mask,
	arm_compute_save_reg_mask, arm_output_function_prologue,
	arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
	current_function_calls_eh_return.
	(thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
	old eh code.
	(arm_set_return_address, thumb_set_return_address): New functions.
	* config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
	ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
	* config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
	(epilogue): Use the stackadj register.
	(eh_return, arm_eh_return, thumb_eh_return): New pattern.

2004-08-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/3144
	* expr.c (move_by_pieces_ninsns): Add max_size argument.
	(MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
	(CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
	(STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
	but using MOVE_RATIO.
	(move_by_pieces): Pass max_size to move_by_pieces_ninsns.
	(can_store_by_pieces): Change max_size type to unsigned int.
	(store_by_pieces_1): Likewise.  Pass max_size to
	move_by_pieces_ninsns.
	* config/s390/s390.h (STORE_BY_PIECES_P): Define.
	* config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
	to move_by_pieces_ninsns.
	(STORE_BY_PIECES_P): Define.
	* config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
	to move_by_pieces_ninsns.
	* doc/tm.texi (STORE_BY_PIECES_P): Document changed default.

	* config/i386/i386.h (CLEAR_RATIO): Define.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (expand_expr_real_1): Add back code that was not dead.

2004-08-09  Andrew Pinski  <apinski@apple.com>

	* c-common.c (c_common_get_alias_set): Set the aliasing set of the type
	which is found to be compatible before returning the aliasing set.

2004-08-09  Daniel Jacobowitz  <dan@debian.org>

	* ggc-zone.c (struct alloc_zone): Add statistics counters.
	(always_collect): New flag.
	(ggc_alloc_zone_1): Update statistics support.  Don't include
	overhead in allocated counter.
	(sweep_pages): Update allocated counter for large pages.  Don'y
	include overhead.
	(ggc_collect_1): Always collect.
	(ggc_collect): Honor always_collect flag.  Sum all zones to decide
	whether to collect.
	(SCALE, LABEL): New macros.
	(ggc_print_statistics): Add statistics support.

2004-08-09  Roger Sayle  <roger@eyesopen.com>

	* expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
	(init_expmed): Fix potential overrun problem with "all.reg".
	(expand_sdiv2_pow2): Add an alternate implementation for signed
	division, if the target provides a suitable conditional move insn.

2004-08-09  Paul Brook  <paul@codesourcery.com>
	Richard Henderson  <rth@redhat.com>

	* unwind-dw2.c (uw_install_context_1): Update target saved stack
	pointer.

2004-08-09  Geoffrey Keating  <geoffk@apple.com>

	* ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
	Check DATA limit only if there's no AS limit.  Ignore insanely
	low DATA limits.
	(ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
	but take care that the AS limit isn't overrun.
	* doc/invoke.texi: Update documentation of min-heapsize parameter.

2004-08-09  Jeff Law  <law@redhat.com>

	* Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
	(tree-ssa-threadupdate.o): Add dependencies.
	* tree-ssa-threadupdate.c: New file.
	* tree-flow.h (incoming_edge_threaded): New flag in block annotation.
	(rewrite_vars_out_of_ssa): Remove prototype.
	(cleanup_tree_cfg): Returns a bool.
	* tree.h (thread_through_all_blocks): Prototype.
	* tree-outof-ssa.c  (SSANORM_*): Move into here.
	(remove_ssa_form): Now static.
	(rewrite_vars_out_of_ssa): Kill.
	* tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
	* tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
	(remove_ssa_form, register_partitions_for_vars): Kill declarations.
	* tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
	anything was changed.
	* tree-phinodes.c (add_phi_arg): Get the block for the PHI
	from the PHI's annotation rather than the edge associated with
	the new argument.
	* tree-ssa-dom.c (redirection_edges): Kill.
	(redirect_edges_and_update_ssa_graph): Kill.
	(tree_ssa_dominator_optimize): Do not reset forwardable flag
	for blocks anymore.  Do not initialize redirection_edges.
	Call thread_through_all_blocks.  Simplify code for cleanup
	of the CFG and iterating.  No longer call cleanup_tree_cfg
	outside the iteration loop.
	(thread_across_edge): No longer mess with forwardable blocks.

2004-08-09  Zack Weinberg  <zack@codesourcery.com>

	* explow.c (memory_address): Use memory_address_p.
	* recog.c (general_operand): Likewise.
	* regrename.c: No need to define REG_OK_STRICT.

2004-08-09  Steven Bosscher  <stevenb@suse.de>

	* timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
	New timers.
	* gcse.c: Include timevar.h.
	(const_prop_count, copy_prop_count): Rename to global_const_prop_count
	and global_copy_prop_count.
	(local_const_prop_count, local_copy_prop_count): New static globals.
	(gcse_main): Set the right timevar for each pass.
	(cprop_jump): Increment global_const_prop_count when a constant is
	propagated.  Add "GLOBAL" to dump output.
	(cprop_insn): Increment global_const_prop_count when a constant is
	propagated, or global_copy_prop_count when a copy is propagated.
	(do_local_cprop): Likewise for local_const_prop_count and
	local_copy_prop_count.
	(one_cprop_pass): Initialize const/cprop counters to zero.
	Print out results of local and global const/cprop separately.
	(bypass_block): Break over-length line.
	* Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
	for bb-reorder.o and tracer.o.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (GTFILES): Remove stmt.c
	(stmt.o): Do not depend on gt-stmt.h.
	* emit-rtl.c (emit_line_note): Do not call
	set_file_and_line_for_stmt.
	* expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
	do everything.
	* function.c (free_after_parsing): Do not free STMT field.
	(allocate_struct_function): Do not call init_stmt_for_function.
	(assign_stack_temp_for_type): Do not accept values of keep
	other than 0 or 1.
	(init_temp_slots): Do not initialize removed variables.
	* function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
	and X_VAR_TEMP_SLOT_LEVEL fields.
	* rtl.h (set_file_and_line_for_stmt): Remove.
	* stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
	struct stmt_status, cond_stack, case_stack, nesting_stack,
	nesting_depth, emit_locus, set_file_and_line_for_stmt,
	same_case_target_p, init_stmt_for_function, emit_nop,
	expand_start_cond, expand_start_elseif, expand_start_else,
	expand_elseif, expand_end_cond): Remove.
	(preserve_subexpressions_p): Remove references to CFUN->STMT.
	(expand_start_case, expand_end_case_type): Remove, merge into...
	(expand_case): ... this one, including other bits from
	expand_expr_real_1.  Inline same_case_target_p.  Turn members
	of CASE_STACK into local variables.
	(emit_case_bit_tests): Inline same_case_target_p.
	(add_case_node): Add HEAD argument, return new head of the list,
	do not handle default label here.
	* tree.h (expand_start_cond, expand_end_cond, expand_start_else,
	expand_start_elseif, current_nesting_level, expand_start_case,
	expand_end_case_type, expand_end_case, add_case_node,
	init_stmt_for_function, expand_elseif): Remove prototypes.
	(expand_case): Add prototype.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (expand_expr_real_1): Use optab_for_tree_code.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (var_rtx): Remove.
	(expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
	LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
	TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
	Abort.
	(expand_expr_real_1) <COND_EXPR>: Remove most special cases.
	* optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
	* optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.

2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
	Ayal Zaks <zaks@il.ibm.com>

	* common.opt (freschedule-modulo-scheduled-loops): New flag.
	* final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
	* modulo-sched.c (sms_schedule): Emit a note to disable scheduling
	when -freschedule-modulo-scheduled-loops flag is not specified.
	(sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
	add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
	More accurate placing of insn in row of partial schedule.
	(ps_insn_find_column): New function.
	* rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
	* sched-rgn.c (sched_is_disabled_for_current_region_p): New.
	(schedule_region): Use sched_is_disabled_for_current_region_p.
	* docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.

2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_clrmem): Revert the last
	change.

2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_clrmem): Properly call
	gen_strset for 64bit target.

2004-08-07  Olivier Hainque  <hainque@act-europe.fr>

	* config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.

2004-08-07  Jason Merrill  <jason@redhat.com>

	Make return in memory explicit.
	* function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
	(assign_parm_find_data_types): Remove code for old front end
	invisible reference handling.
	(assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
	(expand_function_end): Likewise.
	* gimplify.c (gimplify_return_expr): Handle a dereferenced
	RESULT_DECL.
	* tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
	(declare_return_variable): Handle DECL_BY_REFERENCE.
	* cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
	(cp_genericize_r): Use convert_from_reference.
	Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
	(cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.

	* c-common.c (c_warn_unused_result): Check TREE_USED before
	warning about a CALL_EXPR with an unused value.

2004-08-06  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
	to the compiler.  Use -fshort-wchar by default.

2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>

	* params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
	* cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
	threshhold.
	* doc/invoke.texi (param): Document min-crossjump-insns.

2004-08-06  Richard Sandiford  <rsandifo@redhat.com>

	PR c/13282
	* c.opt (Wmissing-field-initializers): New option.
	* c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
	* c-typeck.c (pop_init_level): Guard the missing field warning with
	warn_missing_field_initializers rather than extra_warnings.
	* doc/invoke.texi (-Wmissing-field-initializers): Document, moving
	some of the explanation from...
	(-Wextra): ...here.  Say that the missing field warning can be
	seperately controlled by -Wmissing-field-initializers.

2004-08-06  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
	* tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
	* tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
	* tree.def (ENTRY_VALUE_EXPR): Remove.

2004-08-06  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
	the places where it is actually needed.  Don't use repz; stosb
	for -Os with sufficiently small constant sizes.
	For sufficiently small repz; stos{l,q} repeat counts use a sequence
	of stos{l,q} instructions instead.

2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR tree-optimization/16807
	* loop-iv.c (dump_iv_info): Dump invariants correctly.
	(iv_subreg, iv_extend): Express value of invariant purely in
	base field.

2004-08-06  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
	(CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.

2004-08-06  Roman Zippel  <zippel@linux-m68k.org>

	* config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
	* config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
	pre_dec_operand.
	* config/m68k/m68k.md (zero_extend*2): delay the splitting of the
	pattern until reload is finished to allow better code generation
	and split them completely into separate instrunctions.
	(*andsi3_split): New pattern.

2004-08-05  Mark Mitchell  <mark@codesourcery.com>

	* tree.c (handle_dll_attribute): Move here from i383/winnt.c.
	Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
	DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
	* tree.h (handle_dll_attribute): Declare.  Test
	TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
	* c-common.h (c_determine_visibility): Declare.
	* c-common.c (c_determine_visibility): New function.
	* c-decl.c (finish_decl): Use it.
	(finish_function): Likewise.
	* defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
	zero, by default.  Use #if, not	#ifdef, to test it.
	* config/arm/arm.c (arm_attribute_table): Use
	handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
	#if.
	* config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
	* config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
	to 1.
	* config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
	* config/i386/i386.c (ix86_attribute_table): Use
	handle_dll_attribute for dllimport/dllexport.  Test
	TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
	* config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
	* config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
	it to 1.
	* config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
	with #if.
	* config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
	it to 1.
	* doc/extend.texi (dllexport): Clarify and correct documentation.
	(dllimport): Likewise.
	* doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
	handle_dll_attribute.

2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* tree-ssa-loop-manip.c: New file.
	* Makefile.in (tree-ssa-loop-manip.o): Add.
	* tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
	Declare.
	* tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
	form.
	(tree_ssa_loop_done): Verify loop closed ssa form.
	* tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.

2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
	pa_asm_output_aligned_local): New functions.
	* pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
	pa_asm_output_aligned_common and pa_asm_output_aligned_local.
	* pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
	pa_asm_output_aligned_common.
	(ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
	* pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
	(ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
	(ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
	* pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
	(ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
	(ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
	* som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
	common data.

2004-08-05  Andrew Pinski  <apinski@apple.com>

	* objc/objc-act.c (build_objc_string_object): Mark the address
	expression as constant.

2004-08-05  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
	and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
	SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.

2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>

	* config/linux.h, config/i386/linux.h, config/sparc/linux.h:
	Remove definitions conditioned on USE_GNULIBC_1 or conditioned
	out, and associated obsolete comments.

2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>

	* tree.h (force_fit_type): Return a tree, take three flags.
	* fold-const.c (force_fit_type): Set TREE_OVERFLOW and
	TREE_CONSTANT_OVERFLOW here.
	(int_const_binop, const_binop): Adjust.
	(size_int_type): Do sign extension here.
	(fold_convert_const, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
	fold_negate_const, fold_abs_const, fold_not_const): Adjust.
	* tree.c (size_in_bytes, int_fits_type_p): Adjust.

2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	PR tree-optimization/16864
	* tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
	for ssa names without default_def.

2004-08-05  Richard Sandiford  <rsandifo@redhat.com>

	* config/i386/i386.c (ix86_expand_prologue): If the function uses a
	frame pointer, restore eax with an ebp-relative address.

2004-08-04  Geoffrey Keating  <geoffk@apple.com>

	PR 14516
	* c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
	* c-common.h (make_rtl_for_local_static): Delete.
	* c-decl.c (shadow_tag_warned): Clean up comment.
	(finish_decl): Clean up spacing.  Use set_user_assembler_name when
	appropriate.  Don't pass asmspec to rest_of_decl_compilation.
	* c-semantics.c (make_rtl_for_local_static): Delete.
	* expr.c (init_block_move_fn): Use set_user_assembler_name.
	(init_block_clear_fn): Likewise.
	* passes.c (rest_of_decl_compilation): Remove asmspec parameter,
	expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
	* toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
	* tree.h (make_decl_rtl): Remove second parameter.
	(set_user_assembler_name): New.
	* varasm.c (set_user_assembler_name): New.
	(make_decl_rtl): Remove second parameter.  Update callers in many
	files.

2004-08-05  Adam Nemet  <anemet@lnxw.com>

	* config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
	(case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
	to LynxOS 4.0.
	* gthr-lynx.h: New file.
	* config/lynx-ng.h: Remove file.
	* config/lynx.h: Update to LynxOS 4.0.
	* config/t-lynx: New file.
	* config/i386/lynx-ng.h: Remove file.
	* config/i386/lynx.h: Update to LynxOS 4.0.
	* config/rs6000/lynxbase.h: Remove file.
	* config/rs6000/lynx.h: Update to LynxOS 4.0.
	* config/rs6000/t-lynx: New file.
	* doc/install.texi (Options specification): Remove reference to
	LynxOS from systems where --with-gnu-as makes a difference.

2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
	__UINTMAX_TYPE__.
	* c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
	__INTMAX_MAX__.
	(c_cpp_builtins): Call it.
	* doc/cpp.texi: Update.

2004-08-04  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
	cost.

2004-08-04  Jan Hubicka  <jh@suse.cz>

	* basic-block.h (profile_staus): New global variable.
	* cfg.c (profile_status): Declare.
	(check_bb_profile): Break out from ....; use profile_status
	(dump_flow_info): ... here.
	* cfgbuild.c (find_basic_blocks): Set profile_status.
	* cfgexpand.c (tree_expand_cfg): Likewise.
	* predict.c (estimate_probability): Likewise.
	* profile.c (branch_prob): Likewise.
	* tree-cfg.c (build_tree_cfg): Likewise.
	(dump_function_to_file): Use check_bb_profile.
	* tree-pretty-print (dump_bb_header): Likewise.
	* tree-profile.c (do_tree_profiling): Cleanup.

2004-08-04  Zack Weinberg  <zack@codesourcery.com>

	* Makefile.in (RTL_BASE_H, RTL_H): Correct.
	(BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
	(genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
	(read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
	(genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
	(genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
	(genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
	(ggc-none.o, errors.o): Move rule to generators section;
	correct dependencies.
	(min-insn-modes.o): Move rule to generators section; remove
	unnecessary explicit command; correct dependencies.
	(print-rtl.o, print-rtl1.o): Correct dependencies.
	($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
	(mostlyclean): Update.

	* errors.c: Include bconfig.h not config.h.  Correct comment.
	* gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
	* ggc-none.c: Include bconfig.h; not config.h or tm.h.
	* print-rtl.c: Don't include tm_p.h.

	* rtl.h: Move forward-decl of struct function down where it's
	needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
	#ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.

2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
	    Jeff Law  <law@redhat.com>

	* tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
	* tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
	* tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
	manipulate the duplicated ssa names.
	* tree-ssanames.c (ssa_names_to_rewrite): New variable.
	(marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
	unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
	New functions.
	(release_ssa_name): Do not release ssa names that may have multiple
	definitions.
	* tree.h (release_ssa_name_force, mark_for_rewrite,
	unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
	marked_ssa_names): Declare.
	* tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
	(duplicate_blocks): Remove call to mark_defs_for_rewrite.
	Update call to rewrite_ssa_into_ssa.

2004-08-04  Mark Mitchell  <mark@codesourcery.com>

	* defaults.h (TARGET_DECLSPEC): New macro.
	* c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
	* config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
	* config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
	* config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
	__declspec support.
	(TARGET_DECLSPEC): Define.
	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
	__declspec support.
	* config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
	__declspec support.
	(TARGET_DECLSPEC): Define.
	* config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
	__declspec support.
	* config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
	support.
	* doc/tm.texi (TARGET_DECLSPEC): Document.

	* doc/extend.texi: Fix typo in comment.

2004-08-04  Paul Brook  <paul@codesourcery.com>

	* target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
	(TARGET_CXX): Use it.
	* target.h (struct gcc_target): Add cdtor_returns_this.
	* config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
	(TARGET_CXX_CDTOR_RETURNS_THIS): Define.
	* doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.

2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>

	* c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
	low/high pair. Do range checking directly.
	(interpret_integer): Adjust.

2004-08-04  Nick Clifton  <nickc@redhat.com>

	* config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
	GCC ABI.
	* doc/invoke.texi: Document this new switch and also the -mrenesas
	switch.

2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>

	* cfglayout.c (insn_locators_initialize): Update the current
	location before initializing a location.

2004-08-03  Zack Weinberg  <zack@codesourcery.com>

	* dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
	(dbxout_function_end): Return after emitting the "Lscope" symbol
	under the same conditions that this function formerly wasn't called.
	Add explanatory comments.

	PR 14860
	* c-decl.c (record_builtin_type): Call debug_hooks->type_decl
	on the new decl.

	PR 13956
	* dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
	functions, broken out of dbxout_block.
	(dbxout_block): The block at depth 0 should get LBRAC/RBRAC
	stabs too, if it contains symbols.  Use the begin_label and
	the Lscope label (emitted by dbxout_function_end) for the
	range of this block.

2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>

	* doc/install.texi: Update autoconf version requirements.

2004-08-03  Zack Weinberg  <zack@codesourcery.com>

	* defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
	* recog.c (general_operand, immediate_operand, nonmemory_operand)
	(asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
	* regclass.c (record_reg_classes): Likewise.
	* reload.c (find_reloads): Likewise.
	* reload1.c (reload): Likewise.

2004-08-03  Zack Weinberg  <zack@codesourcery.com>

	* gensupport.c (init_md_reader_args_cb): Renamed from
	init_md_reader_args.  Add third option, callback function for
	parsing program-specific options.  Add diagnosis of incorrect
	number of input files.
	(init_md_reader): Fold into init_md_reader_args_cb.
	(init_md_reader_args): Now a thin wrapper around
	init_md_reader_args_cb.
	* gensupport.h: Update prototypes.

	* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
	* genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
	* genrecog.c: No need to diagnose lack of an input file;
	init_md_reader_args will handle it.
	* genconditions.c: Likewise, and use init_md_reader_args.
	* genconstants.c: Likewise, and no need to call read_md_rtx.

2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c (implicitly_declare): Diagnose incompatible implicit
	declarations.

2004-08-03  Mike Stump  <mrs@apple.com>

	* config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
	for frameworks.
	* doc/invoke.texi (Darwin Options): Update to reflect above.

2004-08-03  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/16790
	* fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
	truncations, not just global truncations.

2004-08-03  Andrew Pinski  <apinski@apple.com>

	PR bootstrap/16865
	* loop-iv.c (simplify_using_assignment): Initialize lhs.

2004-08-03  Paul Brook  <paul@codesourcery.com>

	* gcc/doc/install.texi: Document MPFR requirement.

2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>

	* aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
	and mmap() explicitly instead of relying on preset autoconf cache
	variables.
	* configure: Regenerate.

2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/16570
	* config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
	to tmake_file.
	(i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
	(i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
	to tmake_file.

	* config/i386/t-gmm_malloc: New file.
	* config/i386/t-pmm_malloc: Likewise.

	* config/i386/xmmintrin.h: Include <mm_malloc.h>.

2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>