path: root/gcc/ChangeLog

2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>

	* dbxout.c (dbxout_type): Don't test whether the binfo slot of
	RECORD, UNION & QUAL_UNION is actually a binfo.

	* tree.h (TREE_VIA_VIRTUAL): Rename to ...
	(BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
	(BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
	* dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
	* dwarf2out.c (add_data_member_location_attribute): Likewise.
	(gen_inheritance_die): Likewise.
	* tree-dump.c (deque_and_dump): Likewise.
	* doc/c-tree.texi (Binfos): Add under reconstruction note.

2004-07-06  Steven Bosscher  <stevenb@suse.de>

	* config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
	Define.
	* config/mcore/mcore.md: Model memory latency with a simple DFA
	pipeline description instead of a define_function_unit.

2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
	* langhooks.h (var_mod_type_p): Likewise.
	* c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
	* expr.c (count_type_elements): Properly handle return from
	array_type_nelts and properly test for overflow.
	* gimplify.c (gimplify_init_constructor): Properly handle return
	from array_type_nelts.
	(gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
	* integrate.c (copy_decl_for_inlining): Correct comments.
	* tree-inline.c (remap_decl): Update comments, remove dead code,
	and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
	(remap_type): Only remap if variably modified by vars in function
	being inlined.
	(copy_body_r): Use compatible_type langhooks to see when can fold.
	(setup_one_parameter): Don't remap type.
	(inline_forbidden_p_1): Add arg to variably_modified_type_p.
	* tree.c (recompute_tree_invarant_for_addr_expr): Properly
	compute TREE_INVARIANT for decl case.
	(find_var_from_fn): New function.
	(variably_modified_type_p): Add arg and call new function.
	* tree.h (variably_modified_type_p): Add extra arg.
	
2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
	(goto_handler_and_restore_v9): Delete disabled insn.
	(goto_handler_and_restore_v9_sp64): Likewise.

2004-07-05  Roger Sayle  <roger@eyesopen.com>

	* calls.c (load_register_parameters): Call expand_shift instead
	of expand_binop with ashl_optab (or other shift optab) directly.
	* expr.c (emit_group_load, emit_group_store): Likewise.
	* function.c (assign_parm_setup_block): Likewise.
	* stmt.c (shift_return_value): Likewise.

2004-07-05  Jakub Jelinek  <jakub@redhat.com>

	* expr.c (expand_assignment): Disable the bitfield += optimizations.

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

	* doc/sourcebuild.texi: Revert previous patch.

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

	* c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
	TARGET_MEM_FUNCTIONS.
	* system.h: Poison TARGET_MEM_FUNCTIONS.
	* libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
	bcmp_libfunc, bzero_libfunc): Remove.
	* optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
	bzero_libfunc.
	* doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
	* doc/standards.texi: Don't mention calling BSD string functions.
	* doc/invoke.texi: Likewise.  Mention that memmove may be called.
	* config/vax/t-memfuncs: New.
	* config/memcmp.c, config/memcpy.c, config/memmove.c,
	config/memset.c: New.
	* config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
	* config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
	vax/t-memfuncs.
	* config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
	config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
	config/elfos.h, config/gnu.h, config/h8300/h8300.h,
	config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
	config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
	config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
	config/netbsd.h, config/openbsd.h, config/pa/pa.h,
	config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
	config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
	config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.

2004-07-05  Richard Henderson  <rth@redhat.com>

	* function.c (assign_parm_setup_reg): Properly rename variables in
	FUNCTION_ARG_CALLEE_COPIES section.

2004-07-05  Zack Weinberg  <zack@codesourcery.com>

	* tree-mudflap.c: Include cgraph.h.
	(mf_init_extern_trees): Rename to mudflap_init.  Export.
	Rewrite to create synthetic declarations instead of looking
	up declarations from mf-runtime.h.
	(mf_make_builtin, mf_make_cache_struct_type): New functions.
	(mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
	Correct commentary.
	(execute_mudflap_function_decls, mudflap_register_call):
	Don't call mf_init_extern_trees.
	(mudflap_finish_file): Use cgraph_build_static_cdtor.

	* tree-mudflap.h: Update prototypes.
	* c-mudflap.c: Delete file.
	* c-common.c: Include tree-mudflap.h.
	(c_common_nodes_and_builtins): Call mudflap_init if appropriate.
	* Makefile.in: Remove all references to c-mudflap.o.
	Update dependencies.

2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
	displacements with the spatial-locality cache-control completer.

2004-07-05  Zack Weinberg  <zack@codesourcery.com>

	* langhooks.c: Don't include gt-langhooks.h.
	(var_labelno): Delete.
	(lhd_set_decl_assembler_name): Do not append a distinguishing
	number to file-scope internal-linkage declarations for the first
	input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
	the declaration itself (if at block scope), or its containing
	TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
	number.

	* opts.c (cur_in_fname): New global.
	* opts.h: Declare it.
	* tree.c: Include opts.h.
	(make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
	DECL_UID equal to cur_in_fname.
	(copy_node_stat): Do not change DECL_UID when copying a
	TRANSLATION_UNIT_DECL.
	(build_common_tree_nodes): Adjust next_decl_uid to reserve the
	range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.

	* c-decl.c (c_static_assembler_name): Delete.
	* c-tree.h (c_static_assembler_name): Delete prototype.
	* c-lang.c, objc/objc-lang.c: Don't override
	LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.

	* Makefile.in (tree.o): Update dependencies.
	(GTFILES): Remove langhooks.c.

2004-07-05  Roger Sayle  <roger@eyesopen.com>

	* fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
	by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
	Normalize "X % C" as "X % -C" for signed modulus and negative C.
	Optimize "X % -Y" as "X % Y" for signed modulus.
	<EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
	into "((unsigned) X % Y) == 0".

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

	* sourcebuild.texi (Config Fragments): Use @comma{} in
	cross-reference to section title.

2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
	* gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
	(gimplify_target_expr, gimplify_expr): Likewise.
	(copy_if_shared_r): No longer need special case for BIND_EXPR.
	(unshare_body, unvisit_body): Only look at nested if BODY_P is
	whole function.
	(gimplify_compound_lval): See if we can strip any useless conversion.
	(gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
	from RHS, not LHS.
	(gimplify_modify_expr_to_memset): Likewise.
	(gimplify_expr, case CONSTRUCTOR): Handle use as statement.
	* tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
	(declare_inline_vars): Likewise.
	(walk_type_fields): New function.
	(walk_tree): Use it.
	* tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.

	* tree-sra.c (struct sra_walk_fns): Init function now returns bool.
	(sra_walk_modify_expr): Allow init function to fail.
	(scan_init): Now returns bool.
	(generate_element_init): If can't understand INIT, return false.
	(scalarize_init): Return false if generate_element_init does.

	* tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
	print bounds.

	* expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
	bounds if bounds aren't constant.

	* tree-cfg.c (verify_expr): Use CHECK_OP in binary case.

	* function.c, langhooks-def.h, langhooks.h: Move max_size hook
	to type hooks; remove bogus PARAMS.

2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>

	* c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
	* dwarf2out.c (add_data_member_location_attribute): Check for
	TREE_BINFO.
	* tree.c (tree_node_kinds): Add "binfos".
	(binfo_lang_slots): New.
	(make_node_stat): Add TREE_BINFO.
	(make_tree_binfo_stat): New.
	(tree_node_structure): Add TREE_BINFO.
	* tree.def (TREE_BINFO): New.
	* tree.h (REC_OR_UNION_CHECK): Rename to ...
	(RECORD_OR_UNION_CHECK): ... here.
	(NOT_RECORD_OR_UNION_CHECK): New.
	(TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
	(TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
	RECORD_OR_UNION_CHECK.
	(TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
	(TYPE_LANG_SLOT_1): New.
	(BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
	BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
	BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
	(BINFO_ELTS): Remove.
	(BINFO_LANG_SLOT): New.
	(struct tree_binfo): New.
	(binfo_lang_slots): Declare.
	(enum tree_node_structure_enum): Add TS_BINFO.
	(union tree_node): Add binfo.
	(make_tree_binfo_stat): Declare.
	(make_tree_binfo): New.
	(enum tree_node_kind): Add binfo_kind.

	* objc/objc-act.c (start_class, objc_declare_protocols,
	start_protocols): Use TYPE_LANG_SLOT_1.
	* objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
	to ...
	(CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
	(CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
	CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
	PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.

2004-07-05  Steven Bosscher  <stevenb@suse.de>

	* rtl.h (struct rtx_def): Remove the integrated flag.
	Use the return_val flag for MEM_SCALAR_P.
	Reshuffle and update flags in CLEAR_RTX_FLAGS.

2004-07-05  Richard Sandiford  <rsandifo@redhat.com>

	PR target/16357
	* config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
	to mips_expand_unaligned_load, mips_expand_unaligned_store, and
	move_by_pieces.

2004-07-05  Josef Zlomek  <zlomekj@suse.cz>

	* var-tracking.c: Fix some comments.
	(frame_stack_adjust): New.
	(vt_stack_adjustments): Init stack_adjust of entry block to
	minus stack adjustment of function prologue.
	(adjust_stack_reference): Do not adjust if adjustment == 0.
	(compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
	(emit_notes_in_bb): Likewise.
	(vt_add_function_parameters): Do not adjust locations of
	function arguments.
	(vt_initialize): Compute the stack adjustment of function
	prologue and offset the initial "location" of frame_base_decl
	from the stack pointer after prologue.

2004-07-04  Richard Henderson  <rth@redhat.com>

	* function.c (struct assign_parm_data_all): New.
	(struct assign_parm_data_one): New.
	(assign_parms_initialize_all, assign_parms_augmented_arg_list,
	assign_parm_find_data_types, assign_parms_setup_varargs,
	assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
	assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
	assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
	assign_parm_setup_block, assign_parm_setup_reg,
	assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
	(assign_parms): ... here.

2004-07-04  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
	now are bitmap_set_t's.
	(bitmap_insert_into_set): No point in inserting the value if
	it's invariant.
	(bitmap_set_contains): New function.
	(bitmap_set_replace_value): Add comment on why we do it
	this way.
	(set_contains): Removed.
	(bitmap_set_subtract_from_value_set): New name of
	set_subtract now that it's arguments are two different
	types of sets.
	Update callers.
	(bitmap_find_leader): Change algorithm used.
	(find_or_generate_expression): Update use of functions for new
	bitmap sets.
	(create_expression_by_pieces): Ditto.
	(insert_aux): Ditto.
	(insert): Ditto.
	(add_to_sets): Ditto.
	(init_pre): Ditto.
	(execute_pre): Ditto.
	(compute_avail): Ditto.
	Also ignore virtual phis.

2004-07-04  Richard Sandiford  <rsandifo@redhat.com>

	* combine.c (simplify_comparison): Fix comment typo.

2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
	into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
	(eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
	(output_restore): Change parameter from 'insn' to 'pat'.
	(output_return): Adjust call to output_restore.
	(output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
	Adjust call to output_restore.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

	* config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
	and assert system is bsd.

2004-07-04  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
	(TARGET_SWITCHES): Remove -mdebugc.
	* config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
	(sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
	(seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
	(sle_[sd]i_reg): Delete.

2004-07-04  Steven Bosscher  <stevenb@suse.de>

	* config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
	Define.
	* config/iq2000/iq2000.md: Translate old pipeline description to an
	equivalent new one.

2004-07-04  Roger Sayle  <roger@eyesopen.com>

	* tree-ssa-ccp.c (set_rhs): Change function to return a bool.
	Ensure the replacement rhs is valid gimple before performing
	the substitution.  Return false if these sanity checks fail.
	(fold_stmt): Only set changed to true, if set_rhs returns true.
	(execute_fold_all_builtins): Only call modify_stmt if set_rhs
	succeeds.

2004-07-04  Richard Henderson  <rth@redhat.com>

	PR c/16348
	* c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.

2004-07-04  Mark Mitchell  <mark@codesourcery.com>

	* configure.ac (ranlib_flags): New variable.
	* Makefile.in (RANLIB_FLAGS): New variable.
	(libbackend.a): Use it.
	* configure: Regenerated.

2004-07-04  Roger Sayle  <roger@eyesopen.com>

	* ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
	a "sign mask" instead of using ashr_optab directly.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

	* doc/cpp.texi: Don't document what we do for ill-formed expressions.
	* doc/cppopts.texi: Clarify processing of command-line defines.

2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi (Contributors): Adjust link for GNU Classpath.

2004-07-04  Richard Henderson  <rth@redhat.com>

	* rtl.def (ADDRESSOF): Remove.
	* alias.c (rtx_equal_for_memref_p): Don't handle addressof.
	(find_base_term, memrefs_conflict_p): Likewise.
	* cse.c (fixed_base_plus_p, find_best_addr: Likewise.
	(fold_rtx, cse_insn, set_live_p): Likewise.
	* dwarf2out.c (mem_loc_descriptor): Likewise.
	(add_location_or_const_value_attribute): Likewise.
	* emit-rtl.c (copy_insn_1): Likewise.
	* explow.c (memory_address): Likewise.
	* expmed.c (store_split_bit_field): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* function.c (instantiate_decl
	(instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
	* genrecog.c (preds, validate_pattern): Likewise.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* recog.c (general_operand, register_operand): Likewise.
	(memory_address_p): Likwise.
	* reload1.c (eliminate_regs, elimination_effects): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
	(rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
	* rtlhooks.c (gen_lowpart_general): Likewise.
	* stmt.c (expand_asm_operands): Likewise.
	* web.c (entry_register, replace_ref, web_main): Likewise.
	* config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
	alpha_expand_block_move, alpha_expand_block_clear): Likewise.
	* config/arm/arm.c (thumb_rtx_costs): Likewise.
	* config/c4x/c4x.c (c4x_valid_operands): Likewise.
	* config/frv/frv.c (move_destination_operand, move_source_operand,
	condexec_dest_operand, condexec_source_operand,
	condexec_memory_operand): Likewise.
	* config/h8300/h8300.h (PREDICATE_CODES): Likewise.
	* config/ia64/ia64.c (general_xfmode_operand): Likewise.
	(destination_xfmode_operand): Likewise.
	* config/mips/mips.h (PREDICATE_CODES): Likewise.
	* config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
	* config/s390/s390.c (general_s_operand): Likewise.
	* config/s390/s390.md (mov*): Likewise.
	* config/sparc/sparc.h (PREDICATE_CODES): Likewise.

	* c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
	* expr.c (expand_expr_real_1): Likewise.
	* stmt.c (expand_decl): Likewise.
	* config/c4x/c4x.c (c4x_expand_builtin): Likewise.

	* function.c (struct fixup_replacement, struct insns_for_mem_entry,
	postponed_insns, put_var_into_stack, put_reg_into_stack,
	schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
	fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
	fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
	walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
	gen_mem_addressof, flush_addressof, put_addressof_into_stack,
	purge_bitfield_addressof_replacements, purge_addressof_replacements,
	purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
	struct insns_for_mem_walk_info, insns_for_mem_walk,
	compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
	setjmp_protect_args): Remove.
	(push_function_context_to): Don't handle var_refs_queue.
	(pop_function_context_from, free_after_compilation): Likewise.
	(instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
	(assign_parms, allocate_struct_function): Likewise.
	(use_register_for_decl): New.
	(expand_function_end): Don't setjmp_protect.
	* function.h (struct emit_status): Update commentary.
	(struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
	(max_parm_reg, parm_reg_stack_loc): Remove.
	* passes.c (DFI_addressof): Remove.
	(dump_file_info): Remove addressof.
	(rest_of_handle_addressof): Remove.
	(rest_of_compilation): Don't call it.
	* rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
	* stmt.c (expand_decl): Use use_register_for_decl.
	* tree.h: Update decls.
	* web.c (mark_addressof): Remove.
	* doc/invoke.texi (-dF): Remove.

2004-07-03  Richard Henderson  <rth@redhat.com>

	* config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
	instead of gen_mem_addressof.
	* config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
	TImode output register.

2004-07-03  Richard Henderson  <rth@redhat.com>

	PR tree-optimization/16341
	* tree-sra.c (sra_walk_function): Increment to next stmt before
	processing the current stmt.
	(sra_insert_after): Always use BSI_SAME_STMT.

2004-07-03  Richard Henderson  <rth@redhat.com>

	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
	fp plus with minus.

2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>

	* tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
	with tree_int_cst_equal.

2004-07-03  Andreas Schwab  <schwab@suse.de>

	* config/ia64/ia64.md: Define new attribute "empty".
	(prologue_use, nop_x, insn_group_barrier): Set it.

	* config/ia64/ia64.c (ia64_reorg): When looking for trailing call
	skip over "empty" insns.

2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* tree-inline.c (initialize_inlined_parameters): Pass proper function
	context to gimplify_body.
	(walk_tree): Don't walk into types twice.
	(walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.

	* tree-sra.c (generate_element_init): Remove any useless conversions.

	* gimplify.c (gimplify_conversion): Remove stripping useless
	conversions from here.
	(gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
	(gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
	Unshare before substituting PLACEHOLDER_EXPR.
	(gimplify_modify_expr_to_memset): Likewise.
	Pass address of TO to memset, not TO itself.
	(gimplify_init_constructor): Make copy of OBJECT so we have it each
	time we make an expression (to match a PLACEHOLDER_EXPR).

	* tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
	VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
	* tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
	* tree-ssa-dom.c (local_fold): Likewise.

	* langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
	* langhooks.h (strct lang_hooks): New field type_max_size.
	* function.c (assign_temp): Call it.

2004-07-03  Steven Bosscher  <stevenb@suse.de>

	* config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
	* config/sh/sh.md: Convert the SH1 pipeline description to
	a DFA model.

2004-07-02  Zack Weinberg  <zack@codesourcery.com>

	* c-decl.c (struct c_binding): Remove contour field; add
	depth, invisible, nested fields.
	(B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
	(B_IN_EXTERNAL_SCOPE): New convenience macros.
	(bind): Add invisible and nested arguments. Initialize
	new fields of struct c_binding; adjust loop scanning for
	insertion point.
	(free_binding_and_advance): Clear structure with memset.
	(pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
	in file scope, even if it's in external scope too.
	(pushdecl): Adjust to match.  Create invisible file-scope
	declarations for block-scope forward declarations of static functions.
	(pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
	(undeclared_variable, lookup_label, declare_label, define_label)
	(lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
	(c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
	(store_parm_decls_oldstyle): Adjust to match.
	(diagnose_mismatched_decls): Correct handling of linkage clashes.
	(merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.

	* c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
	(C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.

2004-07-02  Richard Henderson  <rth@redhat.com>

	* c-decl.c (grokdeclarator): Don't frob current_function_decl
	around variable_size.
	(set_decl_nonlocal): Remove.
	(store_parm_decls): Add stmts for pending sizes.
	* calls.c (calls_function, calls_function_1): Remove.
	(precompute_arguments): Don't call it.
	* cfgexpand.c (set_save_expr_context): Remove.
	(tree_expand_cfg): Don't call it.
	* dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
	(dwarf2out_finish): Likewise.
	* expr.c (emit_block_move): Adjust addresses to BLKmode.
	(store_constructor): Don't pre-evaluate SAVE_EXPR.
	(safe_from_p): Don't queue SAVE_EXPRs.
	(expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
	or build plain VAR_DECLs.
	* fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
	(fold): Likewise.
	(fold_checksum_tree): Don't special-case SAVE_EXPR.
	* function.c (free_after_compilation): Don't clear x_save_expr_regs.
	(put_var_into_stack): Don't handle SAVE_EXPR.
	(gen_mem_addressof): Likewise.
	* function.h (struct function): Remove x_save_expr_regs.
	(save_expr_regs): Remove.
	* gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
	* print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
	* stor-layout.c (variable_size): Don't set it.
	(force_type_save_exprs, force_type_save_exprs_1): Remove.
	* tree-inline.c (remap_save_expr): Remove fn argument.  Update
	all callers.  Don't set SAVE_EXPR_CONTEXT.
	* tree-inline.h (remap_save_expr): Update decl.
	* tree.c (save_expr): Update build size.
	(first_rtl_op): Don't handle SAVE_EXPR.
	(unsave_expr_1, contains_placeholder_p): Likewise.
	(decl_function_context): Likewise.
	* tree.def (SAVE_EXPR): Remove args 1 and 2.
	* tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
	(SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.

2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>

	* doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
	doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
	doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
	doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
	some first-person references and patronizing comments.  Based on
	printed manual.
	* doc/invoke.texi: Don't reference fortran@gnu.org.
	* doc/trouble.texi (Warning when a non-void function value is
	ignored): Rewrite.  From Russ Allbery and Chris Devers.

2004-07-02  Daniel Berlin  <dberlin@dberlin.org)

	* tree-ssa-pre.c (bitmap_set_t): New.
	(bb_value_sets): avail_out is now a bitmap_set_t.
	(bitmap_find_leader): New function.
	(bitmap_value_insert_into_set): Ditto.
	(bitmap_set_copy): Ditto.
	(bitmap_value_replace_in_set): Ditto.
	(bitmap_set_contains_value): Ditto.
	(bitmap_set_new): Ditto.
	(bitmap_set_pool): New pool.
	(find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
	(insert_aux): Ditto.
	(add_to_sets): Ditto.
	(compute_avail): Ditto
	(eliminate): Ditto.
	(init_pre): Ditto.
	(fini_pre): Ditto.
	(execute_pre): Ditto.

2004-07-02  Roger Sayle  <roger@eyesopen.com>

	* config/rs6000/rs6000.c (struct processor_costs): New structure
	used to hold instruction latencies/sizes for processor types.
	(rs6000_cost): New global variable pointing to current CPU's costs.
	(rs6000_override_options): Initialize rs6000_cost to point to the
	appropriate cost table based upon rs6000_cpu and optimize_size.
	(rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
	timings inline.

2004-07-02  Richard Henderson  <rth@redhat.com>

	* expmed.c (make_tree): Don't use SET_DECL_RTL.

2004-07-02  Steven Bosscher  <stevenb@suse.de>

	* tree-flow.h (bb_ann_d): Remove ephi_nodes field.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
	(alpha_gp_save_rtx): Use assign_stack_local instead of
	gen_mem_addressof.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
	(alpha_rtx_cost_data): Update to match.
	(alpha_rtx_cost_size): New.
	(alpha_rtx_costs): Honor optimize_size.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* gimple-low.c (lower_function_body): Don't reset_block_changes here.
	* cfgexpand.c (tree_expand_cfg): Do it here.
	* config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
	* config/ia64/ia64.c (ia64_output_mi_thunk): And here.
	* config/mips/mips.c (mips_output_mi_thunk): And here.
	* config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
	* config/sh/sh.c (sh_output_mi_thunk): And here.
	* config/sparc/sparc.c (sparc_output_mi_thunk): And here.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* tree.def (RTL_EXPR): Remove.
	* c-typeck.c (lvalue_p): Don't handle it.
	* expr.c (safe_from_p): Likewise.
	(expand_expr_real_1): Likewise.
	* fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
	(fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
	* gengtype.c (adjust_field_tree_exp): Likewise.
	* stmt.c (warn_if_unused_value): Likewise.
	* tree-gimple.c (recalculate_side_effects): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
	(unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
	* tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.

	* stmt.c (struct stmt_status): Remove x_last_expr_type,
	x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
	(last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
	(expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
	all the bits that tracked last_expr.
	(expand_end_bindings): Don't track last_expr.
	(expand_start_stmt_expr, expand_end_stmt_expr): Remove.
	(clear_last_expr): Remove.
	(expand_asm): Don't call it.
	(expand_asm_operands, expand_end_cond): Likewise.
	(expand_naked_return, expand_null_return_1): Likewise.
	* c-typeck.c (c_begin_compound_stmt): Likewise.
	* cfgexpand.c (expand_block): Use expand_expr_stmt.
	* expr.c (expand_expr_real_1): Likewise.
	* tree.h: Update prototypes.

	* function.h (struct sequence_stack): Remove sequence_rtl_expr.
	(struct emit_status): Remove sequence_rtl_expr.
	(struct function): Remove x_rtl_expr_chain.
	(seq_rtl_expr, rtl_expr_chain): Remove.
	* function.c (struct temp_slot): Remove rtl_expr.
	(assign_stack_temp_for_type): Don't set it.
	(free_temp_slots, pop_temp_slots): Don't check it.
	(free_after_compilation): Don't clear x_rtl_expr_chain.
	(fixup_var_refs): Don't search it.
	(preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
	* emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
	or seq_rtl_expr.
	(push_topmost_sequence): Likewise.
	(end_sequence, init_emit): Likewise.
	(start_sequence_for_rtl_expr): Remove.
	* expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
	* rtl.h (preserve_rtl_expr_result): Remove.

2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>

	* ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
	tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
	typos.

2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

	* gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
	(STANDARD_STARTFILE_PREFIX_2): Define.
	(standard_startfile_prefix_1): Initialize to
	STANDARD_STARTFILE_PREFIX_1.
	(standard_startfile_prefix_2): Initialize to
	STANDARD_STARTFILE_PREFIX_2.
	* config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
	(STANDARD_STARTFILE_PREFIX_1): Define.
	(STANDARD_STARTFILE_PREFIX_2): Define.
	* doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
	(STANDARD_STARTFILE_PREFIX_2): Document.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
	in order to disable scalarization.  Instead set a flag and wait
	for a candidate decl.

2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>

	* doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
	doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
	Use terminology "testsuite" and "enumerated".

2004-07-01  Richard Henderson  <rth@redhat.com>

	* dwarf2out.c (reg_save): Use INVALID_REGNUM.
	(dwarf2out_reg_save, dwarf2out_return_save): Likewise.
	(initial_return_save): Likewise.
	(flush_queued_reg_saves): Remap register numbers.
	(dwarf2out_return_reg): Likewise.

2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.

	* tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
	access functions for lower bound and element size and only output
	if lower bound nonzero or element size not same as that of type.
	(dump_generic_node, case COMPONENT_REF): Use access func. for offset.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

	* c-pretty-print.c (pp_c_postfix_expression): Fix pasto.

2004-07-01  Per Bothner  <per@bothner.com>

	* final.c (final):  Fix typo reported by Aaron W. LaFramboise.

2004-07-01  Jakub Jelinek  <jakub@redhat.com>

	* expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
	bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
	first operand.  Don't optimize if the bitfield is volatile.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

	* c-pretty-print.c (pp_c_postfix_expression): Handle
	floating-point comparison operators.
	(pp_c_expression): Pass floating-point comparison
	operators to pp_c_postfix_expression.

2004-07-01  Roger Sayle  <roger@eyesopen.com>

	* simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
	rtx_cost instead of "had_mult" to determine whether the transformed
	expression is cheaper than the original.

2004-07-01  Jerry Quinn  <jlquinn@optonline.net>

	* alias.c (get_alias_set, canon_rtx, get_addr,
	nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
	Use MEM_P.
	* builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
	expand_builtin): Likewise.
	* calls.c (expand_call, emit_library_call_value_1, store_one_arg):
	Likewise.
	* combine.c (can_combine_p, combinable_i3pat, try_combine,
	find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
	rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
	record_dead_and_set_regs_1, get_last_value_validate,
	mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
	* cse.c (check_dependence, canon_hash, equiv_constant,
	gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
	cse_around_loop, cse_check_loop_start, cse_set_around_loop,
	count_reg_usage): Likewise.
	* cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
	cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
	cselib_record_sets): Likewise.
	* dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
	dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
	* ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
	* df.c (df_uses_record): Likewise.
	* dojump (do_jump): Likewise.
	* dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
	loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
	decl_start_label): Likewise.
	* emit-rtl.c (gen_complex_constant_part, gen_highpart,
	operand_subword, change_address_1, make_safe_from): Likewise.
	* explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
	stabilize, force_not_mem): Likewise.
	* expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
	expand_mult_const, expand_divmod, emit_store_flag): Likewise.
	* expr.c (convert_move, convert_modes, emit_block_move,
	emit_group_load, emit_group_store, clear_storage, emit_move_insn,
	emit_move_insn_1, expand_assignment, store_expr,
	store_constructor_field, store_constructor, store_field,
	force_operand, safe_from_p, expand_expr_real_1, expand_increment):
	Likewise.
	* final.c (cleanup_subreg_operands, alter_subreg,
	get_mem_expr_from_op): Likewise.
	* flow.c (notice_stack_pointer_modification_1,
	init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
	Likewise.
	* function.c (mark_temp_addr_taken, preserve_temp_slots,
	preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
	optimize_bit_field, flush_addressof, purge_addressof_1,
	instantiate_decl, instantiate_virtual_regs_1, assign_parms,
	setjmp_protect, setjmp_protect_args, fix_lexical_addr,
	keep_stack_depressed): Likewise.
	* ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
	noce_process_if_block, find_memory): Likewise.
	* integrate.c (subst_constants, allocate_initial_values): Likewise.
	* local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
	update_equiv_regs): Likewise.
	* loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
	maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
	* optabs.c (expand_abs, emit_unop_insn): Likewise.
	* passes.c (rest_of_handle_final): Likewise.
	* postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
	move2add_note_store): Likewise.
	* ra-build.c (detect_remat_webs): Likewise.
	* ra-debug.c (dump_static_insn_cost): Likewise.
	* ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
	* recog.c (validate_change, apply_change_group, cancel_changes,
	validate_replace_rtx_1, general_operand, register_operand,
	nonmemory_operand, push_operand, pop_operand, memory_operand,
	indirect_operand, asm_operand_ok, offsettable_memref_p,
	offsettable_nonstrict_memref_p, constrain_operands,
	store_data_bypass_p): Likewise.
	* reg-stack.c (subst_stack_regs_pat): Likewise.
	* regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
	copy_cost, reg_scan_mark_refs): Likewise.
	* regmove.c (optimize_reg_copy_3, stack_memref_p,
	combine_stack_adjustments_for_block): Likewise.
	* regrename.c (copyprop_hardreg_forward_1): Likewise.
	* reload.c (can_reload_into, push_reload, decompose, immune_p,
	find_reloads, find_reloads_address, find_reloads_address_1,
	reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
	find_equiv_reg): Likewise.
	* reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
	reload_as_needed, choose_reload_regs, emit_input_reload_insns,
	do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
	delete_address_reloads): Likewise.
	* resource.c (mark_referenced_resources): Likewise.
	* rtlanal.c (get_jump_table_offset, count_occurrences,
	reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
	reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
	num_sign_bit_copies1): Likewise.
	* rtlhooks.c (gen_lowpart_general): Likewise.
	* sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
	* sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
	sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
	sdbout_global_decl): Likewise.
	* simplify-rtx.c (simplify_subreg): Likewise.
	* stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
	expand_anon_union_decl, expand_end_case_type): Likewise.
	* unroll.c (calculate_giv_inc): Likewise.
	* var-tracking.c (stack_adjust_offset_pre_post,
	bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
	add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
	vt_add_function_parameters): Likewise.
	* varasm.c (make_var_volatile, notice_global_symbol,
	assemble_external, decode_addr_const, mark_weak,
	default_encode_section_info): Likewise.

2004-07-01  Steven Bosscher  <stevenb@suse.de>

	* stmt.c (check_seenlabel): Remove.
	(pushcase, pushcase_range, expand_end_case_type): Don't call it.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* function.h (struct function): Remove x_function_call_count.
	(function_call_count): Remove.
	* calls.c (expand_call): Don't set it.
	* integrate.c (copy_rtx_and_substitute): Likewise.

	* function.h (struct function): Remove x_cleanup_label.
	(cleanup_label): Remove.
	* stmt.c (expand_value_return): Don't use it.
	* function.c (free_after_compilation): Don't set it.
	(expand_function_start): Likewise.  Remove parms_have_cleanups arg.
	* cfgexpand.c (tree_expand_cfg): Update call.
	* tree.h (expand_function_start): Update decl.

2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>

	PR c/1027
	* c-lang.c (c_initialize_diagnostics): Move from here ...
	* c-objc-common.c: ... to here.  Include "c-pretty-print.h".
	(c_tree_printer): Use pretty-printer to format %T.
	* c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
	before '*' if not C++.
	(pp_c_direct_abstract_declarator): Don't try to print array upper
	bound for flexible array members.
	* c-tree.h: Include "diagnostic.h".
	(c_initialize_diagnostics): Declare.
	* objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
	* c-format.c (format_type_warning): New function.  Improve
	diagnostics for incorrect format argument types.
	(check_format_types): Use it.  Add two parameters.  Use the
	TYPE_MAIN_VARIANT of wanted_type.
	(check_format_info_main): Pass new parameters to
	check_format_types.
	(struct format_wanted_type): Update comment.

2004-07-01  Nick Clifton  <nickc@redhat.com>

	* target.h (struct gcc_target): Add new field to struct cxx:
	import_export_class.
	* target-def.h (TARGET_CXX): Initialise the new field.
	(TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
	the new field.
	* doc/tm.texi: Document the new target hook.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

	* builtins.c (fold_builtin_classify): Fix typo.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* function.c (identify_blocks, identify_blocks_1): Remove.
	* function.h (identify_blocks): Remove.
	* rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

	* builtins.c (fold_builtin_classify): New.
	(fold_builtin_unordered_cmp): Fix commentary.
	(fold_builtin): Use it.
	* builtins.def: Define builtins for isnan,
	isnanf, isnanl, finite, finitef, finitel,
	isinf, isinff, isinfl.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* function.h (struct function): Remove dont_emit_block_notes.
	* gimple-low.c (lower_function_body): Don't set it.
	* cfgexpand.c (expand_block): Don't check it.
	* cfglayout.c (insn_locators_initialize): Likewise.
	* expr.c (expand_expr_real, expand_expr_real_1): Likewise.
	* passes.c (rest_of_compilation): Likewise.
	* stmt.c (expand_start_bindings_and_block): Likewise.
	(expand_end_bindings): Likewise.

2004-07-01  Richard Henderson  <rth@redhat.com>

	* cgraph.h (cgraph_build_static_cdtor): Declare.
	* cgraphunit.c (cgraph_build_static_cdtor): New.
	* c-objc-common.c (build_cdtor): Use it.
	* coverage.c (create_coverage): Likewise.
	* libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
	* optabs.c (init_optabs): Don't set gcov_init_libfunc.

See ChangeLog.11 for earlier changes.