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1 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
2
3         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
4         get regression tester working again.
5
6 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
7
8         * insn-notes.def, reg-notes.def: New files.
9         * rtl.h: Use them to define enum insn_note and enum reg_note.
10         * rtl.c: Use them to define note_insn_name and reg_note_name.
11         * Makefile.in (RTL_BASE_H): Update.
12
13         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
14         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
15
16 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
17
18         * arm.c (arm_size_rtx_costs): New function.
19         (arm_override_options): Use it if optimizing for space.
20
21 2004-08-18  Richard Henderson  <rth@redhat.com>
22
23         * emit-rtl.c (gen_const_mem): New.
24         * rtl.h (gen_const_mem): Declare.
25         * expr.c (do_tablejump): Use it.
26         * varasm.c (force_const_mem): Likewise.
27         * config/darwin.c (machopic_indirect_data_reference): Likewise.
28         (machopic_legitimize_pic_address): Likewise.
29         * config/arm/arm.c (legitimize_pic_address): Likewise.
30         * config/i386/i386.c (legitimize_pic_address): Likewise.
31         (legitimize_tls_address): Likewise.
32         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
33         * config/ia64/ia64.md (load_fptr): Likewise.
34         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
35         * config/pa/pa.c (legitimize_pic_address): Likewise.
36         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
37         (rs6000_emit_move): Likewise.
38         * config/s390/s390.c (legitimize_pic_address): Likewise.
39         (legitimize_tls_address): Likewise.
40         * config/s390/s390.md (casesi): Likewise.
41         * config/sh/sh.c (sh_reorg): Likewise.
42         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
43         * config/v850/v850.md (casesi): Likewise.
44
45         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
46         * config/sh/sh.c (prepare_move_operands): Remove incorrect
47         use of MEM_READONLY_P.
48
49 2004-08-18  Steven Bosscher  <stevenb@suse.de>
50
51         * Makefile.in (OBJS-common): Add postreload-gcse.c.
52         Add new postreload-gcse.o.
53         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
54         (lookup_as_function, insert, rehash_using_reg, use_related_value,
55         equiv_constant): Use SAFE_HASH instead of safe_hash.
56         (exp_equiv_p): Export.  Add for_gcse argument when comparing
57         for GCSE.
58         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
59         find_comparison_args, fold_rtx, cse_insn): Update callers.
60         (hash_rtx): New function derived from old canon_hash and bits
61         from gcse.c hash_expr_1.
62         (canon_hash_string): Rename to hash_rtx_string.
63         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
64         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
65         (cselib_lookup): Update this caller.
66         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
67         Make static.
68         (hash_expr): Call hash_rtx.
69         (ldst_entry): Likewise.
70         (expr_equiv_p): Call exp_equiv_p.
71         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
72         reg_used_on_edge, reg_set_between_after_reload_p,
73         reg_used_between_after_reload_p, get_avail_load_store_reg,
74         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
75         get_bb_avail_insn, hash_scan_set_after_reload,
76         compute_hash_table_after_reload,
77         eliminate_partially_redundant_loads, gcse_after_reload,
78         get_bb_avail_insn, gcse_after_reload_main): Remove.
79         * postreload-gcse.c: New file, reincarnating most of the above.
80         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
81         (gcse_after_reload_main): Update prototype.
82         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
83         * passes.c (rest_of_handle_gcse2): Use it.
84
85 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
86
87         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
88         (pass_loop_done): Likewise.
89
90 2004-08-18  Andrew Pinski  <apinski@apple.com>
91
92         * config/rs6000/darwin.md: Delete the altivec patterns which are
93         handled differently now.
94         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
95         (macho_correct_pic_di): Likewise.
96         (call_indirect_nonlocal_darwin64): Likewise.
97         Delete the save world/saveFP/saveVec patterns.
98
99         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
100         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
101         * config/rs6000/rs6000.md: Include darwin.md.
102         (builtin_setjmp_receiver): Add DImode case.
103         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
104         Darwin bits.
105
106 2004-08-18  Matt Austern  <austern@apple.com>
107
108         Dead code stripping
109         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
110         * darwin.c (darwin_file_end): Mark file as potentially strippable.
111
112 2004-08-18  Richard Henderson  <rth@redhat.com>
113
114         * alias.c (readonly_fields_p): Remove.
115         (objects_must_conflict_p): Don't call it.
116         * tree.h (readonly_fields_p): Remove.
117         * langhooks.h (struct lang_hooks): Remove honor_readonly.
118         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
119
120 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
121
122         * tree-dfa.c (add_referenced_var): Only global variables are
123         call-clobbered.
124         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
125         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
126         all pointers dereferenced if the statement dereferences them.
127         (create_name_tags): Do not create memory tags for pointers
128         that have PT_ANYTHING set.
129         Also check if PT_VARS is not empty before creating a name tag.
130         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
131         variables that share the same alias set with a pointer that
132         may point anywhere.
133         (add_may_alias): Add FIXME comment to remove clobbering
134         aliased variables and tags.
135         (replace_may_alias): Likewise.
136         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
137         (merge_pointed_to_info): If the original variable has not
138         points-to information, call set_pt_anything.
139         (add_pointed_to_var): Do not prevent adding a pointed-to
140         variable if the pointers is PT_ANYTHING.
141         If the variable is a global, set PT_GLOBAL_MEM.
142         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
143         pointer type only come in PTR+OFFSET flavours.
144         Always call merge_pointed_to_info on PHI arguments that are
145         SSA_NAMEs.
146         (get_nmt_for): Mark call-clobbered tags whose pointer points
147         to global memory.
148         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
149         values.
150         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
151         FLAGS.
152         (add_stmt_operand): Abort if the caller tried to add a killing
153         definition for a memory tag.
154         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
155         unnecessary checks.
156
157 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
158
159         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
160         from call_used_regs.  Update call_really_used_regs.
161         (CALL_REALLY_USED_REGISTERS): Define.
162         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
163         Replace call_used_regs with call_really_used_regs.
164         (calc_live_regs, sh_media_register_for_return): Likewise.
165         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
166         * sh.md (return_media): Likewise.
167
168 2004-08-18  Andrew Pinski  <apinski@apple.com>
169
170         * config/darwin.c (machopic_legitimize_pic_address): Only set
171         MEM_READONLY_P in the non TARGET_TOC case.
172
173 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
174
175         * rtl.def (NIL): Delete.
176         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
177         Tighten the syntax a little.
178
179         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
180         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
181         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
182         * config/i386/predicates.md, config/m32r/m32r.h
183         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
184         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
185         * config/sparc/sparc.h, doc/tm.texi:
186         Replace all occurrences of NIL with UNKNOWN.
187
188 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
189
190         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
191         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
192         sequence inline.  Move drop_through_label code into this
193         block, being the only place it is used.  Adjust comments.
194
195 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
196
197         * config/rs6000/altivec.md: Add new patterns for calls to
198         save_world/rest_world functions.
199
200         * config/rs6000/rs6000-protos.h: (save_world_operation,
201         restore_world_operation) new declarations.
202
203         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
204         field added.
205         (rs6000_stack_info): Set world_save_p field.
206         (save_world_operation): New function.
207         (restore_world_operation): New function.
208         (compute_save_world_info): New function.
209         (rs6000_stack_info): Call compute_save_world_info.
210         (rs6000_emit_prologue): Check for world_save_p and generate
211         pattern to call save_world for saving all non-volatile and
212         special registers.
213         (rs6000_emit_epilogue): Check for world_save_p and generate
214         pattern to call rest_world to restore saved registers.
215
216         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
217         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
218         (rs6000_reg_names): New entries added for save_world_operation and
219         restore_world_operation.
220
221 2004-08-18  Caroline Tice  <ctice@apple.com>
222
223         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
224         "-freorder-blocks-and-partition" to the flags used in second
225         stage of profiledbootstrap.
226         * bb-reorder.c (push_to_next_round_p): Add new variable,
227         next_round_is_last; set and use variable to make sure, when
228         partitioning, that the last trace construction round consists
229         of all (and only) cold basic blocks.
230         (rotate_loop): Don't copy blocks that end in a section
231         crossing jump.
232         (copy_bb): Correctly initialize "partition" of duplicated bb.
233         (add_unlikely_executed_notes): Add a comment.
234         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
235         to make sure, if function contains hot blocks, that the
236         successors of ENTRY_BLOCK_PTR are hot; also, only look for
237         crossing edges if the architecture supports named sections.
238         (mark_bb_for_unlikely_executed_section): Modify to always
239         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
240         the basic block note insn.
241         (fix_crossing_unconditional_branches): Remove extra space.
242         (fix_edges_for_rarely_executed_code): Modify to only do
243         partitioning work if the architecture supports named sections.
244         (reorder_basic_blocks): Modify to only add
245         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
246         supports named sections.
247         * c-common.c (handle_section_attribute): Initialize new global
248         variable, user_defined_section_attribute, to true if user has
249         specified one.
250         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
251         forward edges that cross section boundaries.
252         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
253         partitioning information if the architecture supports named
254         sections.
255         * cfgrtl.c (target.h): Add statement to include this.
256         (rtl_split_block): Make sure newly created bb gets correct
257         partition.
258         (try_redirect_by_replacing_jump): Make sure redirection isn't
259         attempting to cross section boundaries.
260         (force_nonfallthru_and_redirect): Only do partition fix up if
261         architecture supports named sections.
262         (rtl_split_edge): Make sure newly created bb ends up in
263         correct partition.
264         (commit_one_edge_insertion): Remove code that incorrectly
265         updated basic block partition; Make sure partition fix up only
266         happens if architecture supports named sections and it's not
267         already done.
268         (rtl_verify_flow_info_1): Fix if-condition on test/error
269         condition that fallthru edges are not allowed to cross section
270         boundaries.
271         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
272         * final.c (final_scan_insn): Remove redundant test from if-statement;
273         change calls to text_section into calls to function_section; add code
274         to only to partitioning fix up if architecture supports named
275         sections.
276         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
277         partition.
278         (if_convert): Add targetm.have_named_sections to test.
279         * output.h (unlikely_section_label): Extern declaration for new global
280         variable.
281         (unlikely_text_section_name): Likewise.
282         * opts.c (decode_options): If both partitioning and DWARF debugging
283         are turned on, issue a warning that this doesn't work, and change
284         partitiong to basic block reordering (without hot/cold partitions).
285         * passes.c (rest_of_handle_final): Re-set new global variable,
286         user_defined_section_attribute, to false.
287         (rest_of_compilation): Change options for calling partitioning
288         function: Don't call if the user defined the section attribute, and
289         don't call if DECL_ONE_ONLY is true for the current function.
290         * predict.c (choose_function_section): Return immediately if we
291         are doing hot/cold partitioning (i.e. let the basic block partitioning
292         determine where the function belongs).
293         * reg-stack.c (emit_swap_insn): Add condition to step over
294         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
295         * toplev.c (user_defined_section_attribute): New global variable.
296         * toplev.h (user_defined_section_attribute): Extern declaration for new
297         global variable.
298         * varasm.c (unlikely_section_label): New global variable.
299         (unlikely_text_section_name): New global variable.
300         (unlikely_text_section): Add code to initialize unlikely_text_section_name
301         if necessary; modify to use unlikely_text_section_name and
302         unlikely_section_label; also to use named_section properly.
303         (in_unlikely_text_section):  Modify to work correctly with named_section
304         and to use unlikely_text_section_name.
305         (named_section):  Add code to work properly with cold section.
306         (function_section): Clean up if-statement.
307         * config/darwin.c (darwin_asm_named_section): Return to original code,
308         removing use of SECTION_FORMAT_STRING.
309         * config/arm/pe.h (switch_to_section):  Add case for
310         in_unlikely_executed_text to switch statement.
311         * config/i386/cygming.h (switch_to_section): Likewise.
312         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
313         (SECTION_FORMAT_STRING): Likewise.
314         * config/mcore/mcore.h (switch_to_section): Likewise.
315         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
316         (SECTION_FORMAT_STRING): Remove.
317
318 2004-08-18  Roger Sayle  <roger@eyesopen.com>
319
320         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
321         -ffixed-reg safe, by preserving the meanings of zero and one.
322         (CALL_USED_REGISTERS): Likewise.
323         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
324
325 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
326
327         * config/sh/sh.c (split_branches): Check the result of
328         next_active_insn.
329         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
330         Call rtl_register_cfg_hooks.
331
332 2004-08-18  Richard Henderson  <rth@redhat.com>
333
334         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
335         * alias.c (true_dependence): Update to match new semantics.
336         (canon_true_dependence, write_dependence_p): Likewise.
337         (anti_dependence, output_dependence): Update write_dependence_p args.
338         (unchanging_anti_dependence): Remove.
339         * calls.c (purge_mem_unchanging_flag): Remove.
340         (fixup_tail_calls): Don't call it.
341         (expand_call): Don't add unchanging memory to function usage.
342         * expr.c (emit_block_move_via_libcall): Likewise.
343         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
344         (get_subtarget): Don't use RTX_UNCHANGING_P.
345         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
346         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
347         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
348         * cse.c (insert): Don't use RTX_UNCHANGING_P.
349         (cse_insn, canon_hash): Use MEM_READONLY_P.
350         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
351         instead of RTX_UNCHANGING_P.
352         * explow.c (maybe_set_unchanging): Remove.
353         * expr.h (maybe_set_unchanging): Remove.
354         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
355         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
356         (assign_parm_setup_reg, expand_function_start): Likewise.
357         * integrate.c (copy_rtx_and_substitute): Likewise.
358         * ra-rewrite.c (emit_colors): Likewise.
359         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
360         (fixup_match_1): Likewise.
361         * reload1.c (reload, alter_reg): Likewise.
362         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
363         not RTX_UNCHANGING_P.
364         (equiv_init_varies_p): Likewise.
365         * loop-invariant.c (check_maybe_invariant): Likewise.
366         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
367         * loop.c (note_addr_stored): Likewise.
368         (prescan_loop): Likewise. Don't check function usage for clobbered
369         unchanging memory.
370         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
371         not RTX_UNCHANGING_P.
372         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
373         * varasm.c (force_const_mem): Likewise.
374         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
375         * web.c (entry_register): Likewise.
376         * tree-gimple.h (get_base_address): Move decl ...
377         * tree.h: ... here.
378         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
379
380         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
381         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
382         (alpha_set_memflags): Update to match.
383
384         * config/darwin.c (machopic_indirect_data_reference): Set
385         MEM_READONLY_P instead of RTX_UNCHANGING_P.
386         (machopic_indirect_call_target): Likewise.
387         (machopic_legitimize_pic_address): Likewise.
388         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
389         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
390         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
391         * config/frv/frv.md (symGOT2reg): Likewise.
392         * config/i386/i386.c (legitimize_pic_address,
393         legitimize_tls_address, ix86_split_to_parts): Likewise.
394         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
395         * config/ia64/ia64.md (load_fptr): Likewise.
396         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
397         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
398         * config/mcore/mcore.c (block_move_sequence): Likewise.
399         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
400         * config/pa/pa.c (legitimize_pic_address): Likewise.
401         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
402         (rs6000_emit_move): Likewise.
403         * config/s390/s390.c (legitimize_pic_address): Likewise.
404         (legitimize_tls_address): Likewise.
405         * config/s390/s390.md (casesi): Likewise.
406         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
407         * config/sh/sh.md (symGOT2reg): Likewise.
408         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
409         * config/v850/v850.md (casesi): Likewise.
410
411         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
412         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
413         * config/mips/mips.c (mips_restore_gp): Likewise.
414         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
415         * config/sh/sh.c (sh_reorg): Likewise.
416
417 2004-08-18  Richard Henderson  <rth@redhat.com>
418
419         * tree.h (struct tree_decl): Add gimple_formal_temp.
420         (DECL_GIMPLE_FORMAL_TEMP_P): New.
421         * gimplify.c (pop_gimplify_context): Clear it.
422         (lookup_tmp_var): Set it, if is_formal.
423         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
424         Use is_gimple_val for VECTOR.  Simplify return value.
425         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
426         (gimplify_expr): Likewise.
427         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
428         is_gimple_tmp_rhs for clarity.  Update all callers.
429         (is_gimple_reg_rhs): Simplify logic.
430         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
431         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
432         (is_gimple_formal_tmp_reg): Similarly.
433         * tree-gimple.h: Update decls.
434         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
435         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
436         * tree-ssa-live.c (var_union, type_var_init): Likewise.
437
438 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
439
440         * c4x.c (legitimize_operands): Remove calls to
441         preserve_subexpressions_p.
442
443 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
444
445         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
446         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
447
448 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
449
450         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
451         Objective-C++ extensions.
452         * gengtype.c (get_file_basename): Match entire subdirectory name
453         ('cp', 'objc', 'objcp') rather than just its suffix.
454         (get_base_file_bitmap): Allow for files to belong to more than one
455         language.
456         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
457         used by more than one front-end.
458
459 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
460
461         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
462         avoid use of preserve_subexpressions_p.
463
464 2004-08-17  Richard Henderson  <rth@redhat.com>
465
466         PR 17051
467         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
468
469 2004-08-17  DJ Delorie  <dj@redhat.com>
470
471         * doc/extend.texi: Document new xstormy16 attribute.
472
473         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
474         (xstormy16_splittable_below100_or_register): New.
475         (combine_bnp): New.
476         (xstormy16_reorg): New.
477         (TARGET_MACHINE_DEPENDENT_REORG): Define.
478
479
480         * config/stormy16/stormy16.md (movqi_internal): Make name public.
481         (movhi_internal): Likewise.
482         (cbhranchhi): Likewise.
483         (cbhranchhi_neg): Likewise.
484         (andhi3): Only allow splittable below100 operands.
485         (iorhi3): Likewise.
486         (peephole2): New and/zero_extend->and peephole.
487         (peephole2): New load/ior/save->set1 peephole.
488         (peephole2): New load/and/save->clr1 peephole.
489         (bclrx, bclrx2, bclr7, bclr15): New.
490         (bsetx, bsetx2, bset7, bset15): New.
491
492         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
493         liberal about acceptable 'B' masks.
494
495         * config/stormy16/stormy16-protos.h
496         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
497         xstormy16_below100_operand, xstormy16_below100_or_register,
498         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
499         (PREDICATE_CODES): Add new predicates.
500
501         * config/stormy16/stormy16.c
502         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
503         xstormy16_below100_operand, xstormy16_below100_or_register,
504         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
505         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
506         (xstormy16_legitimate_address_p): Allow below100 symbols.
507         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
508         (xstormy16_expand_move): Leave below100 operands as-is.
509         (xstormy16_encode_section_info): Encode below100 symbols.
510         (xstormy16_strip_name_encoding): New.
511         (xstormy16_print_operand): Print 'b' as shift mask.
512         (xstormy16_attribute_table): Add below100 attributes.
513         (xstormy16_handle_below100_attribute): New.
514
515         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
516         (XSTORMY16_SECTION_FUNCTION): New.
517         (EXTRA_SECTION_FUNCTIONS): Define using the above.
518         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
519         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
520         (ASM_OUTPUT_LABELREF): Define.
521
522         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
523         (movhi_internal): Add below100 support.
524         (andhi3): Add below100 support.
525         (iorhi3): Add below100 support.
526         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
527
528 2004-08-17  James E Wilson  <wilson@specifixinc.com>
529
530         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
531         of VOIDmode for comparison code mode.
532         * config/mips/mips.md: For conditional move patterns, use mode of
533         first compare operand for comparison mode, instead of VOIDmode.
534
535         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
536         normal and -ffast-math code.
537
538 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
539
540         PR c++/15871
541         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
542
543 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
544
545         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
546
547 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
548
549         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
550         for non Darwin targets.
551         (*call_value_nonlocal_darwin64): Likewise.
552
553 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
554
555         * config/rs6000/rs6000.c (rs6000_function_value): Check for
556         altivec mode for altivec return register.
557
558 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
559
560         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
561         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
562         * config/rs6000/rs6000.md: Include darwin.md.
563         (builtin_setjmp_receiver): Add DImode case.
564         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
565         Darwin bits.
566
567 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
568
569         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE trees.
570         * tree-vectorizer.h: New File: Same.
571         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
572         * common.opt (ftree-vectorize): New flag to enable vectorization.
573         * timevar.def (TV_TREE_VECTORIZATION): New dump file for vectorization
574         pass.
575         * tree-data-ref.h (init_data_ref): Additional argument.
576         (array_base_name_differ_p): Moved to tree-data-ref.c.
577         * tree-data-ref.c (array_base_name_differ_p): Revised.
578         (initialize_data_dependence_relation): Call array_base_name_differ_p
579         with an extra argument.
580         (analyze_all_data_dependences): Same.
581         (init_data_ref): Additional argument is_read to set DR_IS_READ.
582         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this file.
583         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
584         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
585         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
586         vectorization pass.
587         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
588         (tree_ssa_loop_done): Call scev_finalize.
589         (tree_vectorize): Define the new vectorization pass.
590         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the size of
591         the vector they support (until support for multiple vector sizes is
592         added to the vectorizer).
593         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
594         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
595         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
596         documentation.
597
598 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
599
600         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
601         usage.
602         (generate_protocol_list, handle_impent): Likewise.
603
604 2004-08-17  Roger Sayle  <roger@eyesopen.com>
605
606         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
607         ensure that call_used_regs is a superset of both fixed_regs and
608         call_really_used_regs.
609
610 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
611
612         PR target/17019
613         * arm.md (addsi3_cbranch_scratch): Correct case labels.
614
615 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
616
617         PR middle-end/17036
618         * fold-const.c (fold): Check for integer operand when
619         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
620         Pinski  <pinskia@physics.uc.edu>.
621
622 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
623
624         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
625         No need to check if in a cross configuration.
626         * configure: Regenerate.
627
628         * calls.c (precompute_register_parameters):
629         Inline preserve_subexpressions_p ().
630         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
631         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
632         Likewise.
633         * expr.c (get_subtarget): Likewise.
634         * rtl.h (preserve_subexpressions_p): Remove.
635         * stmt.c (preserve_subexpressions_p): Remove.
636
637         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
638         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
639         Abort on gimplified cases.
640
641 2004-08-16  James E Wilson  <wilson@specifixinc.com>
642
643         * tree.h (VECTOR_FLOAT_TYPE_P): New.
644         (FLOAT_TYPE_P): Use it.
645         * c-typeck.c (build_binary_op): After convert calls, check for
646         check for ERROR_MARK operands.
647
648 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
649
650         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
651         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
652         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
653         (genobjs static pattern rule): Remove %.c dependency.
654         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
655         Rename rules; delete commands; fix dependencies.
656         (mostlyclean): Do not delete temporary source copies.
657         * configure.ac: Delete all references to BUILD_PREFIX and
658         BUILD_PREFIX_1.
659         * configure: Regenerate.
660
661         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
662         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
663         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
664         with #ifndef GENERATOR_FILE so that nothing from those headers
665         is used.
666
667         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
668
669 2004-08-16  Adam Nemet  <anemet@lnxw.com>
670
671         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
672
673 2004-08-16  Andrew Pinski  <apinski@apple.com>
674
675         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
676         extraneous semicolon.
677
678 2004-08-16  Devang Patel  <dpatel@apple.com>
679
680         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
681         * print-tree.c (print_node): Print DECL_PRESERVE_P.
682         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
683         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
684         * target.h (struct gcc_target): New member, mark_decl_preserved.
685         * hooks.c (hook_void_charptr): Rename to ...
686         (hook_void_constcharptr): ... new name.
687         * hooks.h (hook_void_charptr): Rename to ..
688         (hook_void_constcharptr): ... new name.
689         * tree.h (DECL_PRESERVE_P): New #define.
690         (struct tree_decl): New member, preserve_flag.
691         * varasm.c (assemble_start_function): Mark decl preserved.
692         (assemble_variable): Same.
693         * darwin.c (darwin_mark_decl_preserved): New function.
694         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
695         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
696         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
697
698 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
699
700         * c-decl.c (grokdeclarator): Allow for function definition where
701         innermost declarator has attributes.
702
703 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
704
705         * except.c (get_exception_filter, build_post_landing_pads,
706         dw2_build_landing_pads): Use target-specific mode for 'filter'.
707         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
708         * target.h (eh_return_filter_mode): New field added.
709         * targhooks.c (default_eh_return_filter_mode): Defined.
710         * targhooks.h (default_eh_return_filter_mode): Declared.
711         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
712
713 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
714
715         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
716         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
717         * configure: Regenerate.
718
719 2004-08-16  Stan Shebs  <shebs@apple.com>
720
721         Basic support for 64-bit Darwin.
722         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
723         (machopic_legitimize_pic_address): Similarly, plus use Pmode
724         instead of SImode.
725         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
726         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
727         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
728         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
729         (PROCESSOR_DEFAULT64): Define.
730         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
731         Darwin.
732         * config/rs6000/rs6000.md: Include darwin.md.
733         (builtin_setjmp_receiver): Add DImode case.
734         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
735         Darwin.
736         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
737         (rs6000_emit_move): Add DImode case to Darwin bits.
738         (machopic_output_stub): Use .quad if 64-bit.
739         * invoke.texi: Document -m32 and -m64.
740
741 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
742
743         * doc/extend.texi (AltiVec builtins): Document additional differences
744         from the Motorola AltiVec PIM.
745
746 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
747
748         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
749         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
750         (struct tree_common): Update public_flag documentation.
751
752 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
753
754         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
755         Check for artificial variables, not is_gimple_tmp_var.
756         * tree-ssa-live.c (var_union): Likewise.
757
758 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
759
760         * calls.c (load_register_parameters): Remove spurious FIXME token.
761
762 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
763
764         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
765         (c-lang.o): Depend on c-objc-common.h.
766         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
767         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
768         * c-lang.c: Include c-objc-common.h.
769         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
770         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
771         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
772         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
773         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
774         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
775         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
776         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
777         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
778         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
779         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
780         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
781         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
782         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
783         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
784         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
785         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
786         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
787         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
788         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
789         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
790         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
791         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
792         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
793         Move to c-objc-common.h.
794         * c-objc-common.c: Include c-objc-common.h.
795         * c-objc-common.h: New file.
796
797 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
798             Andrew Pinski  <pinskia@physics.uc.edu>
799
800         PR target/14931
801         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
802         style.
803
804 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
805
806         * tree.h (build_int_cst): New.
807         (build_int_2): Remove.
808         * tree.c (build_int_2): Remove.
809         (build_int_cst): New.
810         (make_vector_type, build_common_tree_nodes,
811         build_common_tree_nodes_2): Use build_int_cst.
812         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
813         expand_builtin_strpbrk, expand_builtin_fputs,
814         build_string_literal, expand_builtin_printf,
815         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
816         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
817         fold_builtin_isdigit, simplify_builtin_strstr,
818         simplify_builtin_strpbrk, fold_builtin_fputs,
819         simplify_builtin_sprintf): Use build_int_cst.
820         * c-common.c (start_fname_decls, fix_string_type,
821         c_common_nodes_and_builtins, c_init_attributes,
822         shorten_compare): Likewise.
823         * c-decl.c (complete_array_type,
824         check_bitfield_type_and_width): Likewise.
825         * c-lex.c (interpret_integer, lex_charconst): Likewise.
826         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
827         * c-pretty-print.c (pp_c_integer_constant): Likewise.
828         * c-typeck.c (really_start_incremental_init, push_init_level,
829         set_nonincremental_init_from_string): Likewise.
830         * calls.c (load_register_parameters): Likewise.
831         * convert.c (convert_to_pointer): Likewise.
832         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
833         build_fn_info_type, build_ctr_info_value, build_gcov_info):
834         Likewise.
835         * except.c (init_eh, assign_filter_values, assign_filter_values):
836         Likewise.
837         * expmed.c (store_fixed_bit_field, extract_bit_field,
838         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
839         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
840         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
841         * expr.c (convert_move, emit_group_load, emit_group_store,
842         expand_assignment, store_constructor, store_field,
843         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
844         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
845         invert_truthvalue, optimize_bit_field_compare,
846         decode_field_reference, all_ones_mask_p, constant_boolean_node,
847         fold_div_compare, fold, fold_read_from_constant_string,
848         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
849         * function.c (assign_parm_setup_block): Likewise.
850         * stmt.c (shift_return_value, expand_end_case_type,
851         estimate_case_costs): Likewise.
852         * stor-layout.c (layout_type, initialize_sizetypes,
853         set_min_and_max_values_for_integral_type): Likewise.
854         * tree-chrec.c (chrec_fold_multiply_poly_poly,
855         reset_evolution_in_loop): Likewise.
856         * tree-chrec.h (build_polynomial_chrec): Likewise.
857         * tree-complex.c (build_replicated_const): Likewise.
858         * tree-eh.c (honor_protect_cleanup_actions,
859         lower_try_finally_onedest, lower_try_finally_copy,
860         lower_try_finally_switch): Likewise.
861         * tree-mudflap.c (mf_build_string, mx_register_decls,
862         mudflap_register_call, mudflap_enqueue_constant): Likewise.
863         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
864         * tree-pretty-print.c (dump_generic_node): Likewise.
865         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
866         Likewise.
867         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
868         * tree-ssa-loop-niter.c (number_of_iterations_cond,
869         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
870         Likewise.
871
872         * config/alpha/alpha.c (alpha_initialize_trampoline,
873         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
874         * config/arm/arm.c (arm_get_cookie_size): Likewise.
875         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
876         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
877         * config/i860/i860.c (i860_va_start): Likewise.
878         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
879         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
880         mips_gimplify_va_arg_expr): Likewise.
881         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
882         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
883         add_compiler_branch_island): Likewise.
884         * config/s390/s390.c (s390_va_start): Likewise.
885         * config/sh/sh.c (sh_va_start): Likewise.
886         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
887         Likewise.
888         * config/xtensa/xtensa.c (xtensa_va_start,
889         xtensa_gimplify_va_arg_expr): Likewise.
890
891         * objc/objc-act.c (build_objc_string_object,
892         build_objc_symtab_template, init_def_list, init_objc_symtab,
893         init_module_descriptor, generate_static_references,
894         build_selector_translation_table, get_proto_encoding,
895         build_typed_selector_reference, build_selector_reference,
896         build_next_objc_exception_stuff,
897         build_method_prototype_list_template, generate_descriptor_table,
898         generate_protocols, build_protocol_initializer,
899         build_ivar_list_template, build_method_list_template,
900         build_ivar_list_initializer, generate_ivars_list,
901         generate_dispatch_table, generate_protocol_list,
902         build_category_initializer, build_shared_structure_initializer,
903         generate_shared_structures, handle_impent,
904         generate_objc_image_info): Use build_int_cst.
905
906 2004-08-15  Ben Elliston  <bje@au.ibm.com>
907
908         * vec.h: Comment improvements.
909
910 2004-08-14  Roger Sayle  <roger@eyesopen.com>
911
912         * c-common.c (shorten_compare, pointer_int_sum,
913         c_common_truthvalue_conversion, boolean_increment): Replace calls
914         to build with calls to buildN.
915         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
916         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
917         gimplify_switch_stmt): Likewise.
918         * c-typeck.c (default_function_array_conversion,
919         build_component_ref, build_array_ref, build_function_call,
920         pointer_diff, build_unary_op, build_conditional_expr,
921         build_compound_expr, build_modify_expr, c_finish_goto_label,
922         c_finish_goto_ptr, c_finish_return, c_finish_loop,
923         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
924         build_binary_op): Likewise.
925
926 2004-08-15  Steven Bosscher  <stevenb@suse.de>
927
928         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
929
930 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
931
932         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
933         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
934         * fixinc/fixincl.x: Rebuilt.
935
936 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
937
938         * config/mips/mips-protos.h (mips_symbolic_constant_p)
939         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
940         (mips_small_data_pattern_p): Declare.
941         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
942         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
943         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
944         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
945         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
946         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
947         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
948         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
949         (pc_or_label_operand, call_insn_operand, move_operand)
950         (consttable_operand, symbolic_operand, general_symbolic_operand)
951         (global_got_operand, local_got_operand, stack_operand)
952         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
953         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
954         (mips_small_data_pattern_p): Replace previous small_data_pattern
955         predicate.  Turn into a bool () (rtx) function.
956         * config/mips/predicates.md: New file.
957         * config/mips/mips.md: Include it.  Use the target-independent
958         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
959         trap_comparison_operator and equality_op to equality_operator.
960         Replace uses of small_int with the equivalent const_arith_operand.
961         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
962         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
963         to fcc_reload_operand.
964         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
965
966 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
967
968         PR libstdc++/17005 partial fix.
969         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
970         except when generating ANSI/C89 code.
971
972 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
973
974         * c-common.c (shorten_compare): Use force_fit_type directly.
975
976 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
977             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
978             Dave Korn  <dk@artimi.com>
979
980         * doc/install.texi (Building): Avoid duplicate reference to GNU
981         make requirement.
982         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
983
984 2004-08-14  Richard Henderson  <rth@redhat.com>
985
986         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
987         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
988
989 2004-08-13  Richard Henderson  <rth@redhat.com>
990
991         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
992         for constant_call_address_operand.
993         (call_value_pop_1, call_value_1): Likewise.
994         (sibcall_value_1, call_value_1_rex64): Likewise.
995
996 2004-08-13  James E Wilson  <wilson@specifixinc.com>
997
998         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
999         Correct mode from SFmode to DFmode.
1000
1001 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
1002
1003         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
1004         __cstring_object and __image_info sections with the no_dead_strip
1005         attribute.
1006
1007 2004-08-13  Roger Sayle  <roger@eyesopen.com>
1008             David Billinghurst  <David.Billinghurst@riotinto.com>
1009
1010         PR libgfortran/15930
1011         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
1012         * fixinc/fixincl.x: Regenerate.
1013         * fixinc/tests/base/internal/math_core.h: New file.
1014
1015 2004-08-13  Richard Henderson  <rth@redhat.com>
1016
1017         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
1018         (dbxout_function_end): Remove ifdefs for it.
1019         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
1020
1021 2004-08-13  Richard Henderson  <rth@redhat.com>
1022
1023         * Makefile.in (insn-preds.o): Depend on TREE_H.
1024         * genpreds.c (write_insn_preds_c): Include tree.h.
1025         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
1026         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
1027         const48_operand, and_operand, or_operand, mode_width_operand,
1028         mode_mask_operand, mul8_operand, const0_operand,
1029         hard_fp_register_operand, hard_int_register_operand,
1030         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
1031         samegp_function_operand, direct_call_operand, small_symbolic_operand,
1032         global_symbolic_operand, call_operand, symbolic_operand,
1033         dtp16_symbolic_operand, dtp32_symbolic_operand,
1034         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
1035         gottp_symbolic_operand, alpha_comparison_operator,
1036         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
1037         signed_comparison_operator, alpha_fp_comparison_operator,
1038         divmod_operator, fix_operator, aligned_memory_operand,
1039         unaligned_memory_operand, reg_or_unaligned_mem_operand,
1040         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
1041         reg_no_subreg_operand, addition_operation): Move to predicates.md.
1042         (reg_or_const_int_operand): Remove.  Replace all users with
1043         reg_or_cint_operand.
1044         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
1045         (resolve_reload_operand): Split out of aligned_memory_operand.
1046         * config/alpha/alpha-protos.h: Update for exports.
1047         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
1048         * config/alpha/alpha.md: Include predicates.md.
1049         * config/alpha/predicates.md: New file.
1050
1051 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
1052
1053         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
1054         fields with a pointer to the instruction definition.
1055         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
1056         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
1057         (write_attr_case, write_const_num_delay_slots): Update accordingly.
1058         (write_attr_case, write_const_num_delay_slots): Write the name of
1059         an insn next to its case statement.
1060         * genoutput.c (data): Add a filename field.
1061         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
1062         (output_insn_data): Print the location of each insn definition.
1063         * genrecog.c (write_action): Print the name of an insn above
1064         the statement that returns its code.
1065
1066 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
1067
1068         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
1069         * config/libgloss.h: Likewise.
1070         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
1071         * c4x/c4x-modes.def: Likewise.
1072         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
1073         (c4x_rptb_nop_p): Likewise.
1074         (c4x_rptb_valid_p): Likewise.
1075         (c4x_rptb_insert): Likewise.
1076         (c4x_address_conflict): Likewise.
1077         * config/c4x/c4x.md: Likewise.
1078         * config/frv/frv.md: Likewise.
1079         * config/i386/athlon.md: Likewise.
1080         * config/i386/i386.md: Likewise.
1081         * config/i386/predicates.md: Likewise.
1082         * config/ia64/ia64.c: Likewise.
1083         * config/ia64/itanium1.md: Likewise.
1084         * config/ia64/itanium2.md: Likewise.
1085         * config/iq2000/iq2000.md: Likewise.
1086         * config/mcore/mcore.c: Likewise.
1087         * config/mips/mips.c: Likewise.
1088         * config/mips/r3900.h: Likewise.
1089         * config/mips/sb1.md: Likewise.
1090         * config/pa/milli64.S: Likewise.
1091         * config/pa/pa.c: Likewise.
1092         * config/pa/pa.h: Likewise.
1093         * config/rs6000/8540.md: Likewise.
1094
1095 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
1096
1097         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
1098
1099 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
1100
1101         * sh.md (cbranch define_delay) Use cond_delay_slot for
1102         non-anulled condition too.
1103
1104 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
1105
1106         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
1107         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
1108         any_parallel_operand, lmw_operation, stmw_operation,
1109         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
1110         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
1111         any_parallel_operand.
1112         (return_and_restore_fpregs_{si,di}): Same.
1113
1114 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
1115
1116         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
1117         if pred->singleton != PARALLEL, issue a warning and pretend it was.
1118         Also issue a warning for any predicate we don't know about.
1119
1120 2004-08-12  Richard Henderson  <rth@redhat.com>
1121
1122         * config/i386/i386.c (internal_label_prefix): Export.
1123         (internal_label_prefix_len, struct ix86_address,
1124         ix86_decompose_address, maybe_get_pool_constant,
1125         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
1126         memory_address_length): Export.
1127         (any_fp_register_operand, fp_register_operand,
1128         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
1129         x86_64_general_operand, x86_64_szext_general_operand,
1130         x86_64_nonmemory_operand, x86_64_movabs_operand,
1131         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
1132         x86_64_zext_immediate_operand, const_int_1_31_operand,
1133         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
1134         tls_symbolic_operand, global_dynamic_symbolic_operand,
1135         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
1136         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
1137         constant_call_address_operand, const0_operand, const1_operand,
1138         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
1139         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
1140         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
1141         general_no_elim_operand, nonmemory_no_elim_operand,
1142         index_register_operand, q_regs_operand, flags_reg_operand,
1143         non_q_regs_operand, zero_extended_scalar_load_operand,
1144         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
1145         ix86_comparison_operator, ix86_carry_flag_operator,
1146         fcmov_comparison_operator, promotable_binary_operator,
1147         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
1148         mult_operator, div_operator, arith_or_logical_operator,
1149         memory_displacement_operand, cmpsi_operand, long_memory_operand,
1150         aligned_operand): Move to predicates.md as define_predicates.
1151         (tls_symbolic_operand_1): Remove.
1152         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
1153         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
1154         (legitimize_address): Merge tls_symbolic_operand contents.
1155         (ix86_expand_move): Likewise.
1156         * config/i386/i386-protos.h: Update for exports.
1157         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
1158         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
1159         * config/i386/i386.md: Include predicates.md.
1160         * config/i386/predicates.md: New file.
1161
1162 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
1163
1164         PR c++/16924
1165         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
1166         SYMBOL_REF_DECL.
1167         (i386_pe_mark_dllimport): Likewise.
1168         (i386_pe_encode_section_info): Likewise, when overriding
1169         dllimport attribute.
1170
1171 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
1172
1173         * configure.ac: When testing for flex, nm, ar, and bison, check
1174         that they will actually be built.
1175         * configure: Regenerate.
1176
1177 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
1178
1179         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
1180         (MOVE_MAX_PIECES): Define.
1181
1182 2004-08-12  Devang patel  <dpatel@apple.com>
1183
1184         * dbxout.c (dbxout_begin_prologue): New function.
1185         (dbx_debug_hooks): Use new begin prologue hook.
1186         (dbxout_function_end): Emit N_ENSYM.
1187         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
1188
1189 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
1190
1191         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
1192         argument is float*.
1193
1194         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
1195         for vec_dss.
1196
1197         * doc/extend.texi (AltiVec builtins): Fix description for recent
1198         changes.  Update operation list to match current support.
1199
1200 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1201
1202         * config/s390/s390.c (struct s390_frame_layout): New struct as element
1203         of struct machine_function.
1204         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
1205         changed all uses.
1206         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
1207         changed all uses.
1208         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
1209         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
1210         (s390_frame_area, s390_register_info): New functions.
1211         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
1212         for base register.
1213         (s390_return_addr_rtx, s390_return_address_offset)
1214         (s390_va_start, s390_gimplify_va_arg)
1215         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
1216         layouts.
1217         (s390_frame_info): Functionality partly moved to s390_register_info.
1218         Made adaptions for new stack layout.
1219         (save_gprs, restore_gprs): Changed meaning of second parameter and
1220         adapted all callers.
1221
1222         * config/s390/s390.h (s390_backchain_string): New global variable.
1223         (MASK_BACKCHAIN): Removed definition.
1224         (TARGET_BACKCHAIN): Changed check.
1225         (TARGET_KERNEL_BACKCHAIN): New macro.
1226         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
1227         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
1228         "kernel-backchain".
1229         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
1230
1231         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
1232         as condition.  Adjusted for new stack layout.
1233
1234         * doc/invoke.texi: Added documentation for new option
1235         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
1236         "-mno-backchain".
1237
1238 2004-08-12  Paul Brook  <paul@codesourcery.com>
1239
1240         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
1241         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
1242
1243 2004-08-12  David Daney  <ddaney@avtrex.com>
1244
1245         * java/gcj.texi:  Add subsection on signal usage.
1246
1247 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
1248
1249         * expr.c (move_by_pieces): Set alignment for move to minimum of
1250         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
1251         alignment, but not less than the original alignment.
1252         (move_by_pieces_ninsns): Same.
1253         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
1254         (store_by_pieces_1): Same.
1255
1256 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
1257
1258         PR tree-optimization/16867
1259         * tree.c (is_global_var): New function.
1260         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
1261         Call is_global_var.
1262         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
1263         Update all users.
1264         (is_global_var): Declare.
1265         * tree-dfa.c (dump_variable): Display global and addressable
1266         attributes.
1267         (add_referenced_var): Clarify documentation when marking
1268         variables call-clobbered.
1269         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
1270         instead of needs_to_live_in_memory.
1271         (mark_call_clobbered): If the variable is a tag, mark it
1272         DECL_EXTERNAL.
1273         * tree-gimple.c (is_gimple_reg): Don't check for
1274         TREE_ADDRESSABLE.
1275         (is_gimple_non_addressable): Likewise.
1276         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
1277         needs to be marked call-clobbered.
1278         (setup_pointers_and_addressables): Call is_global_var instead
1279         of needs_to_live_in_memory.
1280         * tree-ssa-dce.c (need_to_preserve_store): Remove.
1281         Update all users with is_global_var.
1282         (mark_stmt_if_obviously_necessary): Fix processing of aliased
1283         stores.  Don't check the virtual definitions.  Rather, check
1284         whether the store is going into global memory.
1285         (find_obviously_necessary_stmts): Get the symbol from the PHI
1286         result.
1287         * tree-ssa-operands.c (get_call_expr_operands): Do not add
1288         clobbering may-defs if the call does not have side effects.
1289
1290 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
1291
1292         PR c++/16276
1293         * output.h (default_function_rodata_section,
1294         default_no_function_rodata_section): New prototypes.
1295         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
1296         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
1297         (TARGET_ASM_OUT): Add it.
1298         * varasm.c (default_function_rodata_section,
1299         default_no_function_rodata_section): New functions.
1300         * final.c (final_scan_insn): Call
1301         targetm.asm_out.function_rodata_section instead of
1302         readonly_data_section.
1303         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
1304         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1305         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1306         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1307         Likewise.
1308         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1309         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1310         Likewise.
1311         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1312         Likewise.
1313         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1314         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1315         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
1316
1317 2004-08-12  Paul Brook  <paul@codesourcery.com>
1318
1319         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
1320         frame info.
1321         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
1322         DWARF2_UNWIND_INFO.
1323
1324 2004-08-12  Ben Elliston  <bje@au.ibm.com>
1325
1326         PR target/16286
1327         * config/rs6000/altivec.h: Change vector to __vector throughout.
1328         (Except for the `vector' macro itself).
1329
1330 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
1331
1332         * genpreds.c: Add capability to generate predicate bodies as
1333         well as function prototypes.  Write function prototypes for
1334         the generic predicates too.
1335         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
1336         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
1337         (write_match_code, write_predicate_expr, write_one_predicate_function)
1338         (parse_option): New functions.
1339         (output_predicate_decls): Delete.
1340         (main): Read the machine description, process DEFINE_PREDICATE or
1341         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
1342         as appropriate.
1343
1344         * genrecog.c (struct decision_test): Replace index with
1345         struct pred_data pointer.
1346         (next_index): Remove, unused.
1347         (pred_table, preds, special_mode_pred_table): Delete.
1348         (compute_predicate_codes, process_define_predicate): New functions.
1349         (validate_pattern, add_to_sequence, write_switch): Update for
1350         new data structures.
1351         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
1352         Check both error_count and have_error.
1353
1354         * gensupport.c (in_fname, first_predicate): New globals.
1355         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
1356         (predicate_table, last_predicate, old_pred_table)
1357         (old_special_pred_table): New statics.
1358         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
1359         (add_predicate, init_predicate_table): New functions.
1360         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
1361         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
1362         it or max_include_len.  Call init_predicate_table.
1363         (read_rtx): Run the predicate queue after the attribute queue
1364         but before all the others.
1365         * gensupport.h (in_fname, struct pred_data, first_predicate)
1366         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
1367         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
1368         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
1369         * dummy-conditions.c: Don't include bconfig.h, system.h,
1370         coretypes.h, tm.h, or system.h.  Do include stddef.h.
1371         Duplicate declaration of struct c_test from gensupport.h.
1372
1373         * Makefile.in (OBJS-common): Add insn-preds.o.
1374         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
1375         (insn-preds.c, insn-preds.o): New rules.
1376         (s-preds): Also generate insn-preds.c.
1377         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
1378         Update dependencies.
1379         (print-rtl.o, print-rtl1.o): Correct dependencies.
1380
1381         * recog.h: Delete prototypes of predicate functions.
1382
1383         * doc/md.texi (Predicates): New section with complete
1384         documentation of operand/operator predicates.  Remove some
1385         incomplete documentation of predicates from other places.
1386         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
1387         PREDICATE_CODES; indicate that both are deprecated in favor
1388         of define_predicate/define_special_predicate.
1389
1390         * config/ia64/ia64.c: All predicate function definitions moved
1391         to ia64.md, except
1392         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
1393         (ia64_expand_load_address, ia64_expand_move):
1394         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
1395
1396         * config/ia64/ia64.md: All predicates now defined here.
1397         (symbolic_operand): Is now a special predicate.
1398
1399         * config/ia64/ia64.h: Declare ia64_section_threshold.
1400         (PREDICATE_CODES): Delete.
1401
1402 2004-08-12  Richard Henderson  <rth@redhat.com>
1403
1404         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
1405         * c-semantics.c (add_stmt): Set it.
1406         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
1407         before instantiating a variable sized type.
1408
1409 2004-08-12  Richard Henderson  <rth@redhat.com>
1410
1411         * stor-layout.c (round_up, round_down): Move ...
1412         * fold-const.c (round_up, round_down): ... here.  Use
1413         multiple_of_p to avoid any arithmetic at all.
1414
1415 2004-08-12  Richard Henderson  <rth@redhat.com>
1416
1417         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
1418         (gimplify_init_ctor_preeval_1): New.
1419         (gimplify_init_ctor_preeval): New.
1420         (gimplify_init_ctor_eval): New.
1421         (gimplify_init_constructor): Use them.  Always gimplify the LHS
1422         object first.
1423
1424 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
1425
1426         (This patch is part of merge of objc-improvements-branch
1427         into mainline.)
1428
1429         * doc/frontends.texi: Mention Objective-C++ in addition to
1430         Objective-C.
1431         * doc/install.texi: Add 'obj-c++' to list of configurable
1432         languages.
1433         * doc/invoke.texi: Rename Objective-C option headings to
1434         indicate they also apply to Objective-C++.  List file
1435         extensions for Objective-C++ sources.  Mention that
1436         ObjC and ObjC++ compilations may also use C and C++ options,
1437         respectively.  Point users to doc/standards.texi for
1438         further info on ObjC and ObjC++.
1439         * doc/sourcebuild.texi: Mention the objcp/ directory and
1440         the Objective-C++ sources it contains.
1441         * doc/standards.texi: Update link to Apple ObjC site;
1442         add link to gcc readings.html WWW doc.
1443
1444 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
1445
1446         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
1447         and 2004-07-14 changes.
1448
1449 2004-08-12  Paul Brook  <paul@codesourcery.com>
1450
1451         * doc/invoke.texi: Fix typo.
1452
1453 2004-08-11 Devang Patel  <dpatel@apple.com>
1454
1455         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
1456         and -no_dead_strip_inits_and_terms.
1457         (LINK_SPEC): Same.
1458         * doc/invoke.texi (Darwin Options): Document -dead_strip and
1459         -no_dead_strip_inits_and_terms.
1460
1461 2004-08-11  Paul Brook  <paul@codesourcery.com>
1462
1463         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
1464         (arm_load_pic_register): ... to this.
1465         * config/arm/arm.c (arm_finalize_pic): Rename ...
1466         (arm_load_pic_register): ... to this.  Always output insns at the
1467         current location.  Load via low reg in thumb mode.
1468         (arm_expand_prologue): Call arm_load_pic_register.
1469         (thumb_expand_prologue): Ditto.
1470         * config/arm/arm.h (FINALIZE_PIC): Remove.
1471         * config/arm/arm.md (builtin_setjmp_receiver): Call
1472         arm_load_pic_register.
1473
1474 2004-08-11  Paul Brook  <paul@codesourcery.com>
1475
1476         * arm.c (thumb_force_lr_save): Add prototype.
1477         (thumb_compute_save_reg_mask): New function.
1478         (thumb_find_work_register): New function.
1479         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
1480         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
1481         Don't clobber r3 when removing pretend args.
1482         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
1483         (thumb_output_function_prologue): Use new functions.
1484         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
1485         * arm.h (THUMB_REG_PUSHED_P): Remove.
1486
1487 2004-08-11  James E Wilson  <wilson@specifixinc.com>
1488
1489         PR rtl-optimization/16490
1490         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
1491         global_live_at_end for new basic block if already set for other blocks.
1492
1493 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
1494
1495         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
1496
1497         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
1498         (mfcr rlwinm rlwinm patterns): Set length to 12.
1499
1500 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
1501
1502         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
1503         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
1504         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
1505         (start_ssa_stmt_operands): Delete.
1506         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
1507         struct stmt_operands_d.
1508         (build_ssa_operands): New extern entry point.
1509         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
1510         building code, replace with create_ssa_artficial_load_stmt().
1511         * tree-ssa-operands.c (struct voperands_d): Delete.
1512         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
1513         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
1514         (free_uses, free_defs, free_vuses, free_v_may_defs,
1515         free_v_must_defs): Remove dealloc parameter.
1516         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
1517         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
1518         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
1519         vector comparisons, ssa_name reuse, and allocations here.
1520         (verify_start_operands): Delete.
1521         (finalize_ssa_stmt_operands): Set new operands by calling finalize
1522         routines.
1523         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
1524         (append_def, append_usei): Simplify to simple accumulation.
1525         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
1526         duplicates and simple accumulation.
1527         (free_ssa_operands): Free vectors in a stmt_operand structure.
1528         (build_ssa_operands): New. Create a new stmt_operand structure from
1529         a stmt and an old set of stmt_operands.
1530         (get_stmt_operands): Simplify and call build_ssa_operands.
1531         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
1532         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
1533         add_call_read_ops): Don't pass prev_vops around anymore.
1534         (note_addressable): Return if no stmt annotation.
1535         (copy_virtual_operands): Access v_may_def operands through a struct.
1536         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
1537         hash tables without treating the stmt as a real stmt.
1538         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
1539         v_may_def def and use through a struct instead of 2 array elements.
1540         (struct v_may_def_optype_d): Use v_may_def_operand_type.
1541         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
1542
1543 2004-08-11  Nick Clifton  <nickc@redhat.com>
1544
1545         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
1546         this funciton's behaviour.  Return true when the current function
1547         has a section attribute and -mlong-calls is in effect.
1548         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
1549         short-call marker when -mlong-calls is in effect and the function
1550         has a section attribute.
1551
1552 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
1553
1554         * stmt.c (expand_return): If asked to return the RESULT_DECL,
1555         just call expand_value_return on result_rtl.
1556
1557 2004-08-10  Richard Henderson  <rth@redhat.com>
1558
1559         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
1560         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
1561         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
1562         (add_location_or_const_value_attribute): ... not here.  Use
1563         loc_descriptor_from_tree if possible.
1564         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
1565         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
1566         values specially.
1567         (loc_descriptor_from_tree): New.  Update callers.
1568         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
1569         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
1570         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
1571         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
1572         and BUILT_IN_STACK_RESTORE.
1573         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
1574         * stmt.c (expand_stack_alloc): Remove.
1575         * tree-mudflap.c (mx_register_decls): Don't look for
1576         BUILT_IN_STACK_ALLOC.
1577         * tree-nested.c (convert_local_reference): Likewise.
1578         * tree.h (DECL_VALUE_EXPR): New.
1579
1580 2004-08-10  Richard Henderson  <rth@redhat.com>
1581
1582         * stor-layout.c (round_up): Check for 0/1 before dividing.
1583         (round_down): Likewise.
1584
1585         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
1586
1587 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
1588
1589         * config.gcc (arm*-*-eabi*): New target.
1590         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
1591         (TARGET_LIB_INT_CMP_BIASED): Likewise.
1592         * expmed.c (expand_divmod): Try a two-valued divmod function as a
1593         last resort.
1594         * gthr.h: Remove bogus tokens at end of #pragma.
1595         * optabs.c (expand_twoval_binop_libfunc): New function.
1596         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
1597         (prepare_float_lib_cmp): Try reversing the condition.
1598         (debug_optab_libfuncs): New function.
1599         * optabs.h (expand_twoval_binop_libfunc): Declare.
1600         * config/arm/arm.c (arm_init_libfuncs): New function.
1601         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
1602         (TARGET_INIT_LIBFUNCS): Define it.
1603         * config/arm/arm.h (TARGET_BPABI): New macro.
1604         * config/arm/arm-protos.h
1605         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
1606         * config/arm/bpabi.S: New file.
1607         * config/arm/bpabi.c: Likewise.
1608         * config/arm/bpabi.h: Likewise.
1609         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
1610         (__aeabi_drsub): Likewise.
1611         (__aeabi_dsub): Likewise.
1612         (__aeabi_dadd): Likewise.
1613         (__aeabi_ui2d): Likewise.
1614         (__aeabi_i2d): Likewise.
1615         (__aeabi_f2d): Likewise.
1616         (__aeabi_dmul): Likewise.
1617         (__aeabi_ddiv): Likewise.
1618         (__aeabi_cdrcmple): Likewise.
1619         (__aeabi_cdcmpeq): Likewise.
1620         (__aeabi_cdcmple): Likewise.
1621         (__aeabi_dcmpeq): Likewise.
1622         (__aeabi_dcmplt): Likewise.
1623         (__aeabi_dcmple): Likewise.
1624         (__aeabi_dcmpge): Likewise.
1625         (__aeabi_dcmpgt): Likewise.
1626         (__aeabi_dcmpun): Likewise.
1627         (__aeabi_d2iz): Likewise.
1628         (__aeabi_d2uiz): Likewise.
1629         (__aeabi_d2f): Likewise.
1630         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
1631         (__aeabi_frsub): Likewise.
1632         (__aeabi_fsub): Likewise.
1633         (__aeabi_fadd): Likewise.
1634         (__aeabi_ui2f): Likewise.
1635         (__aeabi_i2f): Likewise.
1636         (__aeabi_fmul): Likewise.
1637         (__aeabi_fdiv): Likewise.
1638         (__aeabi_cfrcmple): Likewise.
1639         (__aeabi_cfcmpeq): Likewise.
1640         (__aeabi_cfcmple): Likewise.
1641         (__aeabi_fcmpeq): Likewise.
1642         (__aeabi_fcmplt): Likewise.
1643         (__aeabi_fcmple): Likewise.
1644         (__aeabi_fcmpge): Likewise.
1645         (__aeabi_fcmpgt): Likewise.
1646         (__aeabi_fcmpun): Likewise.
1647         (__aeabi_f2iz): Likewise.
1648         (__aeabi_f2uiz): Likewise.
1649         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
1650         (__aeabi_uidivmod): New function or alias.
1651         (__aeabi_idivmod): Likewise.
1652         (__aeabi_idiv0): Likewise.
1653         (__aeabi_ldiv0): Likewise.
1654         (__aeabi_llsr): Likewise.
1655         (__aeabi_lasr): Likewise.
1656         (__aeabi_llsl): Likewise.
1657         (bpabi.S): Include it.
1658         * config/arm/libgcc-bpabi.ver: New file.
1659         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
1660         (LINK_SPEC): Remove.
1661         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
1662         __aeabi_ulcmp.
1663         * config/arm/t-bpabi: New file.
1664         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
1665         (TARGET_LIB_INT_CMP_BIASED): Likewise.
1666
1667 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
1668
1669         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
1670         * config/rs6000/rs6000.md (clrmemsi): New pattern.
1671         * config/rs6000/rs6000.c (expand_block_clear): New function.
1672         (expand_block_move): Convert alignment to bits.  Use SImode and
1673         HImode for unaligned addresses if not STRICT_ALIGNMENT.
1674
1675 2004-08-10  Caroline Tice  <ctice@apple.com>
1676
1677         * varasm.c (unlikely_section_label): New global variable.
1678         (unlikely_text_section_name): New global variable.
1679         (text_section):  Remove alignment statement.
1680         (unlikely_text_section): Remove alignment statement; use
1681         unlikely_section_label rather than hard-coded string.
1682         (assemble_start_function): Initialize unlikely_section_label and
1683         unlikely_text_section_name;  make sure cold section is properly
1684         aligned at start of function; output unlikely_section_label if
1685         appropriate.
1686
1687 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
1688
1689         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
1690         * config/s390/s390.c (s390_canonicalize_comparison): New function.
1691         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
1692         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
1693         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
1694         ("*tmqi_mem"): Remove SUBREG from pattern.
1695         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
1696         ("*andsi3_cconly"): Likewise.
1697
1698 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1699
1700         PR target/16909
1701         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
1702
1703 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
1704
1705         * doc/sourcebuild.texi (compat testing): Document available test
1706         framework commands.  Use the preferred spelling of DejaGnu.
1707
1708 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
1709
1710         * lambda.h: Add matrix type, and prototypes for remainder of
1711         matrix and vector functions.
1712         (lambda_vector_mult_const): New function.
1713         (lambda_vector_negate): Ditto.
1714         (lambda_vector_add): Ditto.
1715         (lambda_vector_add_mc): Ditto.
1716         (lambda_vector_copy): Ditto.
1717         (lambda_vector_zerop): Ditto.
1718         (lambda_vector_equal): Ditto.
1719         (lambda_vector_min_nz): Ditto.
1720         (lambda_vector_first_nz): Ditto.
1721         (lambda_vector_matrix_mult): Ditto.
1722         * lambda-mat.c: New file.
1723         * Makefile.in (lambda-mat.o): New.
1724
1725 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
1726
1727         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
1728         after linking stmt into the program.
1729         (bsi_remove): Don't call modify_stmt.
1730         * tree-complex.c (update_complex_assignment,
1731         expand_complex_comparison): Call modify_stmt after changing the stmt.
1732         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
1733         removing the stmt.
1734         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
1735         the stmt, and only if needed.
1736         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
1737         expression.
1738         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
1739         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
1740         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
1741         (eliminate_redundant_computations): Don't pass an annotation. Call
1742         modify_stmt rather than setting the annotation directly.
1743         (record_equivalences_from_stmt): Remove unused local 'j'.
1744         (cprop_operand): Take a stmt rather than an annotation as a parameter.
1745         Call modify_stmt.
1746         (cprop_into_stmt): Pass stmt rather than annotation.
1747         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
1748         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
1749         modify_stmt.
1750         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
1751
1752 2004-08-10  Jason Merrill  <jason@redhat.com>
1753
1754         PR middle-end/16948
1755         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
1756         the RESULT_DECL.
1757
1758 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
1759
1760         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
1761         hash function.
1762
1763 2004-08-10  Roger Sayle  <roger@eyesopen.com>
1764
1765         * config/mips/mips.md: New reciprocal square root patterns that
1766         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
1767
1768 2004-08-10  Paul Brook  <paul@codesourcery.com>
1769
1770         * config/arm/arm-protos.h (arm_set_return_address,
1771         thumb_set_return_address): Add prototypes.
1772         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
1773         * config/arm/arm.c (arm_compute_func_type,
1774         use_return_insn, arm_compute_save_reg0_reg12_mask,
1775         arm_compute_save_reg_mask, arm_output_function_prologue,
1776         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
1777         current_function_calls_eh_return.
1778         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
1779         old eh code.
1780         (arm_set_return_address, thumb_set_return_address): New functions.
1781         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
1782         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
1783         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
1784         (epilogue): Use the stackadj register.
1785         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
1786
1787 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
1788
1789         PR target/3144
1790         * expr.c (move_by_pieces_ninsns): Add max_size argument.
1791         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
1792         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
1793         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
1794         but using MOVE_RATIO.
1795         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
1796         (can_store_by_pieces): Change max_size type to unsigned int.
1797         (store_by_pieces_1): Likewise.  Pass max_size to
1798         move_by_pieces_ninsns.
1799         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
1800         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
1801         to move_by_pieces_ninsns.
1802         (STORE_BY_PIECES_P): Define.
1803         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
1804         to move_by_pieces_ninsns.
1805         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
1806
1807         * config/i386/i386.h (CLEAR_RATIO): Define.
1808
1809 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1810
1811         * expr.c (expand_expr_real_1): Add back code that was not dead.
1812
1813 2004-08-09  Andrew Pinski  <apinski@apple.com>
1814
1815         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
1816         which is found to be compatible before returning the aliasing set.
1817
1818 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
1819
1820         * ggc-zone.c (struct alloc_zone): Add statistics counters.
1821         (always_collect): New flag.
1822         (ggc_alloc_zone_1): Update statistics support.  Don't include
1823         overhead in allocated counter.
1824         (sweep_pages): Update allocated counter for large pages.  Don'y
1825         include overhead.
1826         (ggc_collect_1): Always collect.
1827         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
1828         whether to collect.
1829         (SCALE, LABEL): New macros.
1830         (ggc_print_statistics): Add statistics support.
1831
1832 2004-08-09  Roger Sayle  <roger@eyesopen.com>
1833
1834         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
1835         (init_expmed): Fix potential overrun problem with "all.reg".
1836         (expand_sdiv2_pow2): Add an alternate implementation for signed
1837         division, if the target provides a suitable conditional move insn.
1838
1839 2004-08-09  Paul Brook  <paul@codesourcery.com>
1840         Richard Henderson  <rth@redhat.com>
1841
1842         * unwind-dw2.c (uw_install_context_1): Update target saved stack
1843         pointer.
1844
1845 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
1846
1847         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
1848         Check DATA limit only if there's no AS limit.  Ignore insanely
1849         low DATA limits.
1850         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
1851         but take care that the AS limit isn't overrun.
1852         * doc/invoke.texi: Update documentation of min-heapsize parameter.
1853
1854 2004-08-09  Jeff Law  <law@redhat.com>
1855
1856         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
1857         (tree-ssa-threadupdate.o): Add dependencies.
1858         * tree-ssa-threadupdate.c: New file.
1859         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
1860         (rewrite_vars_out_of_ssa): Remove prototype.
1861         (cleanup_tree_cfg): Returns a bool.
1862         * tree.h (thread_through_all_blocks): Prototype.
1863         * tree-outof-ssa.c  (SSANORM_*): Move into here.
1864         (remove_ssa_form): Now static.
1865         (rewrite_vars_out_of_ssa): Kill.
1866         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
1867         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
1868         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
1869         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
1870         anything was changed.
1871         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
1872         from the PHI's annotation rather than the edge associated with
1873         the new argument.
1874         * tree-ssa-dom.c (redirection_edges): Kill.
1875         (redirect_edges_and_update_ssa_graph): Kill.
1876         (tree_ssa_dominator_optimize): Do not reset forwardable flag
1877         for blocks anymore.  Do not initialize redirection_edges.
1878         Call thread_through_all_blocks.  Simplify code for cleanup
1879         of the CFG and iterating.  No longer call cleanup_tree_cfg
1880         outside the iteration loop.
1881         (thread_across_edge): No longer mess with forwardable blocks.
1882
1883 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
1884
1885         * explow.c (memory_address): Use memory_address_p.
1886         * recog.c (general_operand): Likewise.
1887         * regrename.c: No need to define REG_OK_STRICT.
1888
1889 2004-08-09  Steven Bosscher  <stevenb@suse.de>
1890
1891         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
1892         New timers.
1893         * gcse.c: Include timevar.h.
1894         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
1895         and global_copy_prop_count.
1896         (local_const_prop_count, local_copy_prop_count): New static globals.
1897         (gcse_main): Set the right timevar for each pass.
1898         (cprop_jump): Increment global_const_prop_count when a constant is
1899         propagated.  Add "GLOBAL" to dump output.
1900         (cprop_insn): Increment global_const_prop_count when a constant is
1901         propagated, or global_copy_prop_count when a copy is propagated.
1902         (do_local_cprop): Likewise for local_const_prop_count and
1903         local_copy_prop_count.
1904         (one_cprop_pass): Initialize const/cprop counters to zero.
1905         Print out results of local and global const/cprop separately.
1906         (bypass_block): Break over-length line.
1907         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
1908         for bb-reorder.o and tracer.o.
1909
1910 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1911
1912         * Makefile.in (GTFILES): Remove stmt.c
1913         (stmt.o): Do not depend on gt-stmt.h.
1914         * emit-rtl.c (emit_line_note): Do not call
1915         set_file_and_line_for_stmt.
1916         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
1917         do everything.
1918         * function.c (free_after_parsing): Do not free STMT field.
1919         (allocate_struct_function): Do not call init_stmt_for_function.
1920         (assign_stack_temp_for_type): Do not accept values of keep
1921         other than 0 or 1.
1922         (init_temp_slots): Do not initialize removed variables.
1923         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
1924         and X_VAR_TEMP_SLOT_LEVEL fields.
1925         * rtl.h (set_file_and_line_for_stmt): Remove.
1926         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
1927         struct stmt_status, cond_stack, case_stack, nesting_stack,
1928         nesting_depth, emit_locus, set_file_and_line_for_stmt,
1929         same_case_target_p, init_stmt_for_function, emit_nop,
1930         expand_start_cond, expand_start_elseif, expand_start_else,
1931         expand_elseif, expand_end_cond): Remove.
1932         (preserve_subexpressions_p): Remove references to CFUN->STMT.
1933         (expand_start_case, expand_end_case_type): Remove, merge into...
1934         (expand_case): ... this one, including other bits from
1935         expand_expr_real_1.  Inline same_case_target_p.  Turn members
1936         of CASE_STACK into local variables.
1937         (emit_case_bit_tests): Inline same_case_target_p.
1938         (add_case_node): Add HEAD argument, return new head of the list,
1939         do not handle default label here.
1940         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
1941         expand_start_elseif, current_nesting_level, expand_start_case,
1942         expand_end_case_type, expand_end_case, add_case_node,
1943         init_stmt_for_function, expand_elseif): Remove prototypes.
1944         (expand_case): Add prototype.
1945
1946 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1947
1948         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
1949
1950 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1951
1952         * expr.c (var_rtx): Remove.
1953         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
1954         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
1955         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
1956         Abort.
1957         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
1958         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
1959         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
1960
1961 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
1962         Ayal Zaks <zaks@il.ibm.com>
1963
1964         * common.opt (freschedule-modulo-scheduled-loops): New flag.
1965         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
1966         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
1967         when -freschedule-modulo-scheduled-loops flag is not specified.
1968         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
1969         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
1970         More accurate placing of insn in row of partial schedule.
1971         (ps_insn_find_column): New function.
1972         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
1973         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
1974         (schedule_region): Use sched_is_disabled_for_current_region_p.
1975         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
1976
1977 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
1978
1979         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
1980         change.
1981
1982 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
1983
1984         * config/i386/i386.c (ix86_expand_clrmem): Properly call
1985         gen_strset for 64bit target.
1986
1987 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
1988
1989         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
1990
1991 2004-08-07  Jason Merrill  <jason@redhat.com>
1992
1993         Make return in memory explicit.
1994         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
1995         (assign_parm_find_data_types): Remove code for old front end
1996         invisible reference handling.
1997         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
1998         (expand_function_end): Likewise.
1999         * gimplify.c (gimplify_return_expr): Handle a dereferenced
2000         RESULT_DECL.
2001         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
2002         (declare_return_variable): Handle DECL_BY_REFERENCE.
2003         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
2004         (cp_genericize_r): Use convert_from_reference.
2005         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
2006         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
2007
2008         * c-common.c (c_warn_unused_result): Check TREE_USED before
2009         warning about a CALL_EXPR with an unused value.
2010
2011 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
2012
2013         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
2014         to the compiler.  Use -fshort-wchar by default.
2015
2016 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
2017
2018         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
2019         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
2020         threshhold.
2021         * doc/invoke.texi (param): Document min-crossjump-insns.
2022
2023 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
2024
2025         PR c/13282
2026         * c.opt (Wmissing-field-initializers): New option.
2027         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
2028         * c-typeck.c (pop_init_level): Guard the missing field warning with
2029         warn_missing_field_initializers rather than extra_warnings.
2030         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
2031         some of the explanation from...
2032         (-Wextra): ...here.  Say that the missing field warning can be
2033         seperately controlled by -Wmissing-field-initializers.
2034
2035 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
2036
2037         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
2038         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
2039         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
2040         * tree.def (ENTRY_VALUE_EXPR): Remove.
2041
2042 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
2043
2044         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
2045         the places where it is actually needed.  Don't use repz; stosb
2046         for -Os with sufficiently small constant sizes.
2047         For sufficiently small repz; stos{l,q} repeat counts use a sequence
2048         of stos{l,q} instructions instead.
2049
2050 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2051
2052         PR tree-optimization/16807
2053         * loop-iv.c (dump_iv_info): Dump invariants correctly.
2054         (iv_subreg, iv_extend): Express value of invariant purely in
2055         base field.
2056
2057 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
2058
2059         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
2060         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
2061
2062 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
2063
2064         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
2065         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
2066         pre_dec_operand.
2067         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
2068         pattern until reload is finished to allow better code generation
2069         and split them completely into separate instrunctions.
2070         (*andsi3_split): New pattern.
2071
2072 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
2073
2074         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
2075         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
2076         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2077         * tree.h (handle_dll_attribute): Declare.  Test
2078         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2079         * c-common.h (c_determine_visibility): Declare.
2080         * c-common.c (c_determine_visibility): New function.
2081         * c-decl.c (finish_decl): Use it.
2082         (finish_function): Likewise.
2083         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
2084         zero, by default.  Use #if, not #ifdef, to test it.
2085         * config/arm/arm.c (arm_attribute_table): Use
2086         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
2087         #if.
2088         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
2089         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2090         to 1.
2091         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
2092         * config/i386/i386.c (ix86_attribute_table): Use
2093         handle_dll_attribute for dllimport/dllexport.  Test
2094         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2095         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
2096         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2097         it to 1.
2098         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
2099         with #if.
2100         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2101         it to 1.
2102         * doc/extend.texi (dllexport): Clarify and correct documentation.
2103         (dllimport): Likewise.
2104         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
2105         handle_dll_attribute.
2106
2107 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2108
2109         * tree-ssa-loop-manip.c: New file.
2110         * Makefile.in (tree-ssa-loop-manip.o): Add.
2111         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
2112         Declare.
2113         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
2114         form.
2115         (tree_ssa_loop_done): Verify loop closed ssa form.
2116         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
2117
2118 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2119
2120         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
2121         pa_asm_output_aligned_local): New functions.
2122         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
2123         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
2124         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
2125         pa_asm_output_aligned_common.
2126         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2127         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
2128         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2129         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2130         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
2131         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2132         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2133         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
2134         common data.
2135
2136 2004-08-05  Andrew Pinski  <apinski@apple.com>
2137
2138         * objc/objc-act.c (build_objc_string_object): Mark the address
2139         expression as constant.
2140
2141 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
2142
2143         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
2144         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
2145         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
2146
2147 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2148
2149         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
2150         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
2151         out, and associated obsolete comments.
2152
2153 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
2154
2155         * tree.h (force_fit_type): Return a tree, take three flags.
2156         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
2157         TREE_CONSTANT_OVERFLOW here.
2158         (int_const_binop, const_binop): Adjust.
2159         (size_int_type): Do sign extension here.
2160         (fold_convert_const, optimize_bit_field_compare,
2161         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
2162         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
2163         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
2164
2165 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2166
2167         PR tree-optimization/16864
2168         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
2169         for ssa names without default_def.
2170
2171 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
2172
2173         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
2174         frame pointer, restore eax with an ebp-relative address.
2175
2176 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
2177
2178         PR 14516
2179         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
2180         * c-common.h (make_rtl_for_local_static): Delete.
2181         * c-decl.c (shadow_tag_warned): Clean up comment.
2182         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
2183         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
2184         * c-semantics.c (make_rtl_for_local_static): Delete.
2185         * expr.c (init_block_move_fn): Use set_user_assembler_name.
2186         (init_block_clear_fn): Likewise.
2187         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
2188         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
2189         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
2190         * tree.h (make_decl_rtl): Remove second parameter.
2191         (set_user_assembler_name): New.
2192         * varasm.c (set_user_assembler_name): New.
2193         (make_decl_rtl): Remove second parameter.  Update callers in many
2194         files.
2195
2196 2004-08-05  Adam Nemet  <anemet@lnxw.com>
2197
2198         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
2199         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
2200         to LynxOS 4.0.
2201         * gthr-lynx.h: New file.
2202         * config/lynx-ng.h: Remove file.
2203         * config/lynx.h: Update to LynxOS 4.0.
2204         * config/t-lynx: New file.
2205         * config/i386/lynx-ng.h: Remove file.
2206         * config/i386/lynx.h: Update to LynxOS 4.0.
2207         * config/rs6000/lynxbase.h: Remove file.
2208         * config/rs6000/lynx.h: Update to LynxOS 4.0.
2209         * config/rs6000/t-lynx: New file.
2210         * doc/install.texi (Options specification): Remove reference to
2211         LynxOS from systems where --with-gnu-as makes a difference.
2212
2213 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2214
2215         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
2216         __UINTMAX_TYPE__.
2217         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
2218         __INTMAX_MAX__.
2219         (c_cpp_builtins): Call it.
2220         * doc/cpp.texi: Update.
2221
2222 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
2223
2224         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
2225         cost.
2226
2227 2004-08-04  Jan Hubicka  <jh@suse.cz>
2228
2229         * basic-block.h (profile_staus): New global variable.
2230         * cfg.c (profile_status): Declare.
2231         (check_bb_profile): Break out from ....; use profile_status
2232         (dump_flow_info): ... here.
2233         * cfgbuild.c (find_basic_blocks): Set profile_status.
2234         * cfgexpand.c (tree_expand_cfg): Likewise.
2235         * predict.c (estimate_probability): Likewise.
2236         * profile.c (branch_prob): Likewise.
2237         * tree-cfg.c (build_tree_cfg): Likewise.
2238         (dump_function_to_file): Use check_bb_profile.
2239         * tree-pretty-print (dump_bb_header): Likewise.
2240         * tree-profile.c (do_tree_profiling): Cleanup.
2241
2242 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
2243
2244         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
2245         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
2246         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
2247         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
2248         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
2249         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
2250         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
2251         (ggc-none.o, errors.o): Move rule to generators section;
2252         correct dependencies.
2253         (min-insn-modes.o): Move rule to generators section; remove
2254         unnecessary explicit command; correct dependencies.
2255         (print-rtl.o, print-rtl1.o): Correct dependencies.
2256         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
2257         (mostlyclean): Update.
2258
2259         * errors.c: Include bconfig.h not config.h.  Correct comment.
2260         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
2261         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
2262         * print-rtl.c: Don't include tm_p.h.
2263
2264         * rtl.h: Move forward-decl of struct function down where it's
2265         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
2266         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
2267
2268 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2269             Jeff Law  <law@redhat.com>
2270
2271         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
2272         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
2273         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
2274         manipulate the duplicated ssa names.
2275         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
2276         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
2277         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
2278         New functions.
2279         (release_ssa_name): Do not release ssa names that may have multiple
2280         definitions.
2281         * tree.h (release_ssa_name_force, mark_for_rewrite,
2282         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
2283         marked_ssa_names): Declare.
2284         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
2285         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
2286         Update call to rewrite_ssa_into_ssa.
2287
2288 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
2289
2290         * defaults.h (TARGET_DECLSPEC): New macro.
2291         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
2292         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
2293         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
2294         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
2295         __declspec support.
2296         (TARGET_DECLSPEC): Define.
2297         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
2298         __declspec support.
2299         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
2300         __declspec support.
2301         (TARGET_DECLSPEC): Define.
2302         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
2303         __declspec support.
2304         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
2305         support.
2306         * doc/tm.texi (TARGET_DECLSPEC): Document.
2307
2308         * doc/extend.texi: Fix typo in comment.
2309
2310 2004-08-04  Paul Brook  <paul@codesourcery.com>
2311
2312         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
2313         (TARGET_CXX): Use it.
2314         * target.h (struct gcc_target): Add cdtor_returns_this.
2315         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
2316         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
2317         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
2318
2319 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
2320
2321         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
2322         low/high pair. Do range checking directly.
2323         (interpret_integer): Adjust.
2324
2325 2004-08-04  Nick Clifton  <nickc@redhat.com>
2326
2327         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
2328         GCC ABI.
2329         * doc/invoke.texi: Document this new switch and also the -mrenesas
2330         switch.
2331
2332 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
2333
2334         * cfglayout.c (insn_locators_initialize): Update the current
2335         location before initializing a location.
2336
2337 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2338
2339         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
2340         (dbxout_function_end): Return after emitting the "Lscope" symbol
2341         under the same conditions that this function formerly wasn't called.
2342         Add explanatory comments.
2343
2344         PR 14860
2345         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
2346         on the new decl.
2347
2348         PR 13956
2349         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
2350         functions, broken out of dbxout_block.
2351         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
2352         stabs too, if it contains symbols.  Use the begin_label and
2353         the Lscope label (emitted by dbxout_function_end) for the
2354         range of this block.
2355
2356 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
2357
2358         * doc/install.texi: Update autoconf version requirements.
2359
2360 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2361
2362         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
2363         * recog.c (general_operand, immediate_operand, nonmemory_operand)
2364         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
2365         * regclass.c (record_reg_classes): Likewise.
2366         * reload.c (find_reloads): Likewise.
2367         * reload1.c (reload): Likewise.
2368
2369 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2370
2371         * gensupport.c (init_md_reader_args_cb): Renamed from
2372         init_md_reader_args.  Add third option, callback function for
2373         parsing program-specific options.  Add diagnosis of incorrect
2374         number of input files.
2375         (init_md_reader): Fold into init_md_reader_args_cb.
2376         (init_md_reader_args): Now a thin wrapper around
2377         init_md_reader_args_cb.
2378         * gensupport.h: Update prototypes.
2379
2380         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2381         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2382         * genrecog.c: No need to diagnose lack of an input file;
2383         init_md_reader_args will handle it.
2384         * genconditions.c: Likewise, and use init_md_reader_args.
2385         * genconstants.c: Likewise, and no need to call read_md_rtx.
2386
2387 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2388
2389         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
2390         declarations.
2391
2392 2004-08-03  Mike Stump  <mrs@apple.com>
2393
2394         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
2395         for frameworks.
2396         * doc/invoke.texi (Darwin Options): Update to reflect above.
2397
2398 2004-08-03  Roger Sayle  <roger@eyesopen.com>
2399
2400         PR middle-end/16790
2401         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
2402         truncations, not just global truncations.
2403
2404 2004-08-03  Andrew Pinski  <apinski@apple.com>
2405
2406         PR bootstrap/16865
2407         * loop-iv.c (simplify_using_assignment): Initialize lhs.
2408
2409 2004-08-03  Paul Brook  <paul@codesourcery.com>
2410
2411         * gcc/doc/install.texi: Document MPFR requirement.
2412
2413 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
2414
2415         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
2416         and mmap() explicitly instead of relying on preset autoconf cache
2417         variables.
2418         * configure: Regenerate.
2419
2420 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
2421
2422         PR target/16570
2423         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
2424         to tmake_file.
2425         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
2426         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
2427         to tmake_file.
2428
2429         * config/i386/t-gmm_malloc: New file.
2430         * config/i386/t-pmm_malloc: Likewise.
2431
2432         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
2433
2434 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
2435             Tanguy Fautrà <tfautre@pandora.be>
2436
2437         * config/i386/pmm_malloc.h: New file.
2438
2439 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
2440
2441         * config/i386/gmm_malloc.h: New file.
2442
2443 2004-08-03  Dale Johannesen  <dalej@apple.com>
2444
2445         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
2446         * c-common.c: Include opts.h.
2447         (c_common_get_alias_set): Fix check for a single input file.
2448         * toplev.c: Remove current_file_decl.
2449         * tree.h: Ditto.
2450
2451 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
2452
2453         * config.gcc (arm*-*-symbianelf*): New target.
2454         * config/arm/symbian.h: New file.
2455
2456         * gthr-gnat.c: Add visibility #pragmas.
2457         * gthr-gnat.h : Likewise.
2458         * gthr.h: Likewise.
2459         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
2460         (__ffsDI2): Likewise.
2461         (__clzSI2): Likewise.
2462         (__ctzSI2): Likewise.
2463         (__ctzDI2): Likewise.
2464         (__popcountSI2): Likewise.
2465         (__popcountDI2): Likewise.
2466         (__paritySI2): Likewise.
2467         (__parityDI2): Likewise.
2468         * libgcc2.h: Add visibility #pragmas.
2469         (__clzDI2): Add prototype.
2470         (__clzSI2): Likewise.
2471         (__ctzSI2): Likewise.
2472         (__ffsDI2): Likewise.
2473         (__ffsSI2): Likewise.
2474         (__ctzDI2): Likewise.
2475         (__popcountSI2): Likewise.
2476         (__popcountDI2): Likewise.
2477         (__paritySI2): Likewise.
2478         (__parityDI2): Likewise.
2479         * unwind-dw2-fde.h: Add visibility #pragmas.
2480         * unwind.h: Likewise.
2481
2482 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
2483             Dale Johannesen  <dalej@apple.com>
2484             Roger Sayle  <roger@eyesopen.com>
2485
2486         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
2487         constants more accurately.  Adjust costs for FMA instructions.
2488         Add cases for most logical and float operations.  Recurse into
2489         most operands.
2490
2491 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
2492
2493         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
2494
2495 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
2496
2497         * ra-build.c (conflicts_between_webs): For webs that cross a call add
2498         conflicts to regs_invalidated_by_call.
2499
2500 2004-08-03  Paul Brook  <paul@codesourcery.com>
2501
2502         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
2503
2504 2004-08-03  Jan Hubicka  <jh@suse.cz>
2505
2506         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
2507         ARRAY_REF argument.
2508
2509 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
2510
2511         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
2512         arm968es, arm10e, arm1020e, arm1022e.
2513         * invoke.texi: Update list of ARM cores.
2514         * arm-tune.md: Regenerate.
2515
2516 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
2517
2518         * arm/gentune.sh: New file.
2519         * arm/t-arm: New file.
2520         * arm/arm-tune.md: New file (autogenerated).
2521         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
2522         * arm.md (attribute tune): Delete.  Include arm-tune.md.
2523
2524 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
2525
2526         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
2527         penultimate parameter.  All callers adjusted.
2528         (struct prefix_list): Remove used_flag_ptr.
2529         (find_a_file): Do not set *pl->used_flag_ptr.
2530         (warn_B, warn_std_ptr): Remove.
2531
2532 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
2533             Mostafa Hagog <mustafa@il.ibm.com>
2534
2535         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
2536
2537 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
2538
2539         * dwarf2out.c (output_call_frame_info): Don't change data format
2540         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
2541         label.  Use 'true' not '1'.
2542         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
2543         required.
2544
2545 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
2546
2547         * gdbinit.in: Reflect previous changes to rtunion_def.
2548
2549 2004-08-02  Roger Sayle  <roger@eyesopen.com>
2550
2551         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
2552         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
2553
2554 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2555
2556         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
2557         vec_p_reserve.
2558         * langhooks.h (lang_hooks::builtin_function): Rename parameter
2559         from "class" to "bt_class".
2560
2561 2004-08-02  Paul Brook  <paul@codesourcery.com>
2562
2563         PR rtl-optimization/15068
2564         * flow.c (init_propagate_block_info): Check condition is reversible.
2565
2566 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2567
2568         * gengtype.h (options::info): Change type to const char *.
2569         (enum gc_used_enum): Move out of struct type scope.
2570         * gengtype.c (create_option): Convert initializer for option::info to
2571         appropiate type.
2572         (adjust_field_type, walk_type, write_func_for_structure,
2573         write_root, write_roots): Remove pointless cast.
2574
2575 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
2576
2577         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
2578
2579 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2580
2581         * rtl.h (union rtunion_def): Have all members  start with the
2582         prefix "rt_".
2583         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
2584         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
2585         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
2586         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
2587         access.
2588         * gengtype.c (adjust_field_rtx_def): Likewise.
2589         * rtlanal.c (loc_mentioned_in_p): Likewise.
2590
2591 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
2592
2593         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
2594         Replace uses of mips/elf64.h with mips/elf.h
2595         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
2596         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
2597         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
2598         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
2599         (HANDLE_SYSV_PRAGMA): Delete.
2600         (ASM_OUTPUT_DEF): Fix formatting.
2601         * config/mips/elf64.h: Delete.
2602
2603 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
2604
2605         * config/ia64/ia64.c (got_symbolic_operand): Do require a
2606         symbol+offset operand to have its offset be zero mod 0x3fff
2607         when GOT entries are in use.  Clarify logic in SYMBOL_REF
2608         case.  Clarify comments.
2609         (ia64_expand_load_address): Split a symbol+offset load when
2610         the offset is nonzero mod 0x3fff, not 0x1fff.
2611
2612 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
2613
2614         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
2615         if trying to *store* to a non-offsettable address.
2616         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
2617         a nonoffsettable address.
2618         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
2619         Clean up.
2620         (movti_string): Don't move GPRs to a nonoffsettable address.
2621         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
2622
2623 2004-08-02  Ben Elliston  <bje@au.ibm.com>
2624
2625         PR target/16155
2626         * config/rs6000/altivec.h: Replace typeof with __typeof__.
2627
2628 2004-08-01  Richard Henderson  <rth@redhat.com>
2629
2630         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
2631         variable sized types.
2632
2633 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2634
2635         * doc/invoke.texi: In the MIPS options section, remove the passage
2636         saying that -mexplicit-relocs is usually disabled for -mabicalls
2637         -fno-unit-at-a-time.
2638         * config/mips/mips.c (override_options): Remove the code that enforced
2639         this rule.
2640
2641 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2642
2643         * config/mips/mips.md (cprestore): Provide two alternatives, one for
2644         an in-range offset and one for an out-of-range offset.  Wrap the latter
2645         in .set macro/.set nomacro if it's inside a .set nomacro block.
2646
2647 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2648
2649         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
2650         (mips_restore_gp): Declare.
2651         * config/mips/mips.c (mips_add_offset): Add a scratch register
2652         argument.  Reimplement in rtl only, reusing MIPS16 logic from
2653         mips_output_mi_thunk.
2654         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
2655         to mips_add_offset.
2656         (mips_gp_save_slot): Delete.
2657         (mips_restore_gp): New function.
2658         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
2659         * config/mips/mips.md (exception_receiver): Turn into a
2660         define_insn_and_split.  Use mips_restore_gp to do the split.
2661         (call_internal, call_value_internal, call_value_multiple_internal): Use
2662         mips_restore_gp to restore $gp.
2663
2664 2004-07-31  Andrew Pinski  <apinski@apple.com>
2665
2666         PR other/16842
2667         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
2668
2669 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
2670
2671         * c-decl.c (diagnose_mismatched_decls): Give error for external
2672         redeclaration of identifier declared with no linkage, not just
2673         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
2674         error for redeclaration with no linkage.
2675
2676 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
2677             Fariborz Jahanian <fjahanian@apple.com>
2678
2679         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
2680         non-offsettable addresses even for DImode.
2681         (rs6000_split_multireg_move): Cope with non-offsettable addresses
2682         being moved into multiple GPRs.
2683
2684         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
2685         to 64.
2686         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
2687         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
2688         to 128.
2689         * config/rs6000/darwin-ldouble.c (isless): New macro.
2690         (inf): New macro.
2691         (nonfinite): New macro.
2692         (FPKINF): Delete.
2693         (_xlqadd): Completely rewrite.
2694         (_xlqmul): Correct overflow handling.
2695         (_xlqdiv): Correct overflow handling.
2696         * config/rs6000/darwin-ldouble-format: New file.
2697
2698 2004-07-30  Roger Sayle  <roger@eyesopen.com>
2699             Richard Henderson  <rth@redhat.com>
2700
2701         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
2702         9 into the equivalent lea instruction.
2703
2704 2004-07-30  Richard Henderson  <rth@redhat.com>
2705
2706         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
2707         with DECL_INITIAL if fb_lvalue.
2708         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
2709         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
2710         with <Cxxx>.
2711         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
2712
2713 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
2714
2715         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
2716         pointer escapes through a function call, assume that the
2717         callee will dereference it.
2718         (add_pointed_to_var): Assume that VALUE is always an
2719         ADDR_EXPR.
2720         (collect_points_to_info_r): Only call add_pointed_to_var if
2721         the value is an ADDR_EXPR.
2722
2723 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
2724
2725         * tree-ssa-alias.c (create_alias_map_for): Do not get the
2726         alias set of the inner type of ARRAY_TYPEs.
2727
2728 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2729
2730         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
2731         setting a non-register to UNDEFINED right before the call to
2732         set_lattice_value.
2733
2734 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2735
2736         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
2737
2738 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2739
2740         * tree-ssa.c (verify_flow_sensitive_alias_info): When
2741         comparing points-to sets of different pointers, make sure the
2742         second pointer is actually referenced in the code.
2743
2744 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
2745
2746         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
2747         (got_symbolic_operand): Remove unreachable code.
2748         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
2749         setjmp_operand; add entry for tls_symbolic_operand.
2750         * config/ia64/ia64-protos.h: Remove all prototypes of
2751         predicate functions.
2752
2753 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
2754
2755         * c-common.h (lang_post_pch_load): New variable.
2756         * c-pch.c (lang_post_pch_load): Define it.
2757         (c_common_read_pch): Use it.
2758         * cgraphunit.c (record_call_1): Give the front end a chance to
2759         record additional needed entities when a variable is marked as
2760         needed.
2761         * tlink.c (recompile_files): Robustify.
2762         (scan_linker_output): If a symbol is assigned to a file,
2763         but after recompilation is not present there, issue an error
2764         message.
2765
2766 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2767
2768         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
2769         Take orig_loop argument and pass it to set_level.
2770         (schedule_sm): Pass the correct orig_loop to force_move_till.
2771
2772 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2773
2774         * cfgloop.c (update_latch_info): Update dominator of the new block.
2775         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
2776         info.
2777         * dominance.c (verify_dominators): Check that the dominance tree is
2778         connected.
2779         (recount_dominator): Ignore unreachable blocks.
2780         (iterate_fix_dominators): Cleanup old dominance information before
2781         recomputing it.
2782
2783 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2784
2785         * tree-ssa-operands.c (get_expr_operands): Revert changes
2786         to ADDR_EXPR processing introduced by:
2787             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2788             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
2789
2790 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
2791
2792         * doc/implement-c.texi: Add C90 subclause references.  Point to
2793         preprocessor documentation instead of duplicating it.  Add points
2794         only present in C90.  Fill in documentation for all points.
2795
2796 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2797
2798         * pa.c (output_movb): Correct typo.
2799
2800 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
2801
2802         * ra.h (single_reg_in_regclass): Declare.
2803         * ra.c (single_reg_in_regclass): Define.
2804         (first_hard_reg): New.
2805         (init_ra): Initialize single_reg_in_regclass.
2806         * ra-colorize.c (ok_class): New.
2807         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
2808
2809 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
2810
2811         * gcov-io.h: Allow zero tag as EOF indicator.
2812         (gcov_is_eof): Remove.
2813         (gcov_truncate): Remove.
2814         * gcov-io.c (gcov_seek): Always SEEK_SET.
2815         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
2816         EOF tag.
2817         * coverage.c (read_counts_file): Don't use gcov_is_eof.
2818         * gcov-dump.c (dump_file): Likewise.
2819         * gcov.c (read_graph_file, read_count_file): Likewise.
2820
2821         * c-decl.c (complete_array_type): Don't gratuitously copy
2822         maxindex.  Check it always has a type.
2823
2824 2004-07-29  Steven Bosscher  <stevenb@suse.de>
2825
2826         * rtl.c (currently_expanding_to_rtl): New.
2827         * rtl.h (currently_expanding_to_rtl): Export it.
2828         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
2829
2830         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
2831         inliner hack.
2832         * config/sh/sh.c: Replace rtx_equal_function_value_matters
2833         with currently_expanding_to_rtl.
2834         * config/sh/sh.md: Likewise.
2835         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
2836
2837 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2838
2839         Introduce sh2a support.
2840         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2841         * config.gcc: Build multilibs for sh2a and sh2a-single by
2842         default.
2843         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
2844         default.  Split their tests out of the corresponding SH4
2845         multilibs.
2846         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
2847         multilibs for SH2a.
2848         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2849         * config.gcc: Handle sh2a multilibs and cpu selection.
2850         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
2851         * config/sh/t-mlib-sh2a: New.
2852         * config/sh/t-mlib-sh2a-nofpu: New.
2853         * config/sh/t-mlib-sh2a-single: New.
2854         * config/sh/t-mlib-sh2a-single-only: New.
2855         2004-07-09  Nick Clifton  <nickc@redhat.com>
2856         Issue 43400
2857         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
2858         -ml and -m2a are used together.
2859         2004-03-23  DJ Delorie  <dj@redhat.com>
2860         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
2861         when we have a double-sized FPU.
2862         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2863         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
2864         is set.
2865         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
2866         -msh2a-single and -msh2a-single-only
2867         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2868         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
2869         is set.
2870         2004-02-20  DJ Delorie  <dj@delorie.com>
2871         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
2872         2004-02-20  Fred Fish <fnf@redhat.com>,
2873         Corinna Vinschen <vinschen@redhat.com>
2874         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
2875         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
2876         2004-02-18  DJ Delorie  <dj@redhat.com>
2877         * config/sh/sh.c (broken_move): Add support for movi20.
2878         * config/sh/sh.h: Likewise.
2879         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
2880         * config/sh/sh.md (udivsi3_sh2a): New.
2881         (udivsi3): Call it.
2882         (divsi3_sh2a): New.
2883         (divsi3): Call it.
2884         (mul_r): New.
2885         (ashlsi3_sh2a): New.
2886         (ashrsi3_sh2a): New.
2887         (lshrsi3_sh2a): New.
2888         (movsi_i): Disable for sh2a.
2889         (movsi_ie): Add movi20.
2890         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
2891         sh2a, for -m2a-nofpu mode.
2892         2004-02-13  DJ Delorie  <dj@redhat.com>
2893         * config/sh/lib1funcs.asm: Handle double vs single better.
2894         * config/sh/sh.h: Likewise.
2895         2004-02-09  DJ Delorie  <dj@redhat.com>
2896         * config/sh/crt1.asm: Add support for sh2a.
2897         * config/sh/elf.h: Likewise.
2898         * config/sh/lib1funcs.asm: Likewise.
2899         * config/sh/sh.c: Likewise.
2900         * config/sh/sh.md: Likewise.
2901         * config/sh/sh.h: Likewise.
2902         * config/sh/t-sh: Likewise.
2903
2904 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2905
2906         * config/frv/frv.md (movqi_internal, movhi_internal,
2907         movsi_internal): Add backup alternatives for memory inputs.
2908
2909 2004-07-28  Matt Austern  <austern@apple.com>
2910
2911         * config/darwin.c (darwin_one_byte_bool): New global variable.
2912         * config/darwin.h (darwin_one_byte_bool): Declare.
2913         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
2914         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
2915         value of darwin_one_byte_bool.
2916         * doc/invoke.texi: Document -mone-byte-bool flag.
2917
2918 2004-07-28  Eric Christopher  <echristo@redhat.com>
2919
2920         * c-common.c (c_common_unsafe_for_reeval): Delete.
2921         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
2922         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
2923         * calls.c (fix_unsafe_tree): Delete.
2924         (expand_call): Delete code which used above.
2925         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
2926         * expr.c (expand_expr_real_1): Ditto.
2927         * fold-const.c (non_lvalue): Ditto.
2928         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2929         (lhd_unsafe_for_reeval): Ditto.
2930         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
2931         * langhooks.h (unsafe_for_reeval): Ditto.
2932         (unsave_expr_now): Adjust comment.
2933         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
2934         (estimate_num_insns_1): Ditto.
2935         * tree-pretty-print.c (dump_generic_node): Ditto.
2936         * tree.c (expr_align): Ditto.
2937         (unsave_expr): Delete.
2938         (unsafe_for_reeval): Ditto.
2939         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
2940         * tree.def (UNSAVE_EXPR): Delete.
2941         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2942
2943 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
2944
2945         * tree.h (enum tls_model): Move ...
2946         * coretypes.h: ... here.
2947
2948 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
2949
2950         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
2951
2952 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
2953
2954         * cse.c (validate_canon_reg): New function, split out from...
2955         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
2956
2957 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2958
2959         * tree-ssa-alias.c (maybe_create_global_var): Don't just
2960         return if .GLOBAL_VAR has been created.
2961
2962 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2963
2964         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
2965         every variable that may have aliases, not just tags.
2966
2967 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
2968
2969         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
2970         move_from_CR_eq_bit.
2971         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
2972
2973
2974         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
2975         e500_flip_eq_bit.
2976
2977         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
2978         output_e500_flip_eq_bit.
2979
2980         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
2981         output_e500_flip_eq_bit.
2982         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
2983         output_e500_flip_eq_bit.
2984         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
2985         (print_operand): case D.  Get to EQ bit.
2986
2987 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
2988
2989         * gcov.c (function_summary): Add missing \n.
2990
2991 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2992
2993         Introduce sh4a support.
2994         * config.gcc: Handle sh4a multilibs and cpu selection.
2995         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
2996         * config/sh/t-mlib-sh4a: New.
2997         * config/sh/t-mlib-sh4al: New.
2998         * config/sh/t-mlib-sh4a-nofpu: New.
2999         * config/sh/t-mlib-sh4a-single: New.
3000         * config/sh/t-mlib-sh4a-single-only: New.
3001         2004-02-20  DJ Delorie  <dj@redhat.com>
3002         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
3003         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
3004         2003-08-22  Eric Christopher  <echristo@redhat.com>
3005         * config/sh/sh4a.md: Update for chip errata.
3006         2003-08-07  Eric Christopher  <echristo@redhat.com>
3007         * config/sh/sh4a.md: New file. sh4a processor description.
3008         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
3009         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
3010         of -m4a-nofpu.
3011         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
3012         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
3013         * doc/invoke.texi (SH Options): Document -m4al.
3014         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
3015         * config/sh/sh.c (expand_block_move): Remove commented-out code
3016         checked in by mistake.
3017         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
3018         single elements from SFmode vectors.
3019         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
3020         register.
3021         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
3022         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
3023         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
3024         sh_fsca_int2sf): Remove variable declarations.
3025         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
3026         sh_fsca_int2sf): New functions.
3027         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
3028         sh_fsca_int2sf_rtx): New static variables.
3029         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
3030         sh_fsca_int2sf): Declare.
3031         * config/sh/sh.md: Adjust.
3032         * doc/invoke.texi (SH Options): Document new options.
3033         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
3034         compatibility from SH4 code.
3035         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
3036         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
3037         early.
3038         (memory_movsrc_operand): Renamed to...
3039         (unaligned_load_operand): ... this.  Simplified.
3040         * config/sh/sh.h (PREDICATE_CODES): Adjust.
3041         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
3042         input operand to SImode, and adjust the others.  Introduce
3043         post-increment by peephole.
3044         * config/sh/sh.c (expand_block_move): Give the target address the
3045         same mode as the temp reg.
3046         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
3047         copying.
3048         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
3049         Introduce support for SH4a.
3050         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
3051         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
3052         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
3053         sh_fsca_int2sf): New.
3054         (sh_init_builtins): Initialize them.
3055         (print_operand): Support `d'.
3056         (expand_block_move): Use movua if src is misaligned.
3057         (memory_movsrc_operand): New.
3058         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
3059         and one of the SH4 macros.
3060         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
3061         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
3062         SELECT_SH4A_SINGLE): New.
3063         (TARGET_NONE): Add SH4A_BIT.
3064         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
3065         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
3066         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
3067         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
3068         (enum processor_type): Added PROCESSOR_SH4A.
3069         (PREDICATE_CODES): Add memory_movsrc_operand.
3070         * config/sh/sh.md: Removed unused variables.
3071         (attr cpu): Add sh4a.
3072         (attr type): Add movua, fsrra and fsca.
3073         (prefetch): New, for SH4.
3074         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
3075         (toggle_sz): Set type to fp.
3076         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
3077         (movua, extv, extzv): New.
3078         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
3079         and 4a-single-only.
3080
3081 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3082
3083         * tree-optimize.c (init_tree_optimization_passes): Schedule
3084         pass_may_alias right after the program is renamed into SSA.
3085         * tree-pass.h (PROP_alias): Define.
3086         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
3087         * tree-sra.c (pass_sra): Likewise.
3088         * tree-ssa-ccp.c (pass_ccp): Likewise.
3089         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
3090         * tree-ssa-dce.c (pass_dce): Likewise.
3091         * tree-ssa-dom.c (pass_dominator): Likewise.
3092         * tree-ssa-dse.c (pass_dse): Likewise.
3093         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3094         * tree-ssa-loop-ch.c (pass_ch): Likewise.
3095         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
3096         * tree-ssa-pre.c (pass_pre): Likewise.
3097         * tree-tailcall.c (pass_tail_recursion): Likewise.
3098         * tree-ssa.c (pass_redundant_phi): Likewise.
3099         * tree-ssa-alias.c (aliases_computed_p): Remove.
3100         Update all users.
3101         (init_alias_info): Do not mark all type tags for renaming
3102         unconditionally.
3103         Clear may_aliases from every symbol.
3104         (setup_pointers_and_addressables): If a pointer has not been
3105         dereferenced and it had a type tag, clear it and mark the old
3106         tag for renaming.
3107
3108 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3109
3110         PR tree-optimization/16705
3111         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
3112         .GLOBAL_VAR.
3113
3114 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3115
3116         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
3117         check.
3118
3119         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
3120         don't make another one.
3121
3122         PR optimization/15077
3123         * function.h (struct function): Add field saved_static_chain_decl.
3124         Fix comment for static_chain_decl.
3125         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
3126         * tree-inline.h (save_body): Add new arg.
3127         * tree-optimize.c (tree_rest_of_compilation): Handle saving
3128         static_chain_decl.
3129
3130 2004-07-27  Richard Henderson  <rth@redhat.com>
3131
3132         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
3133         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
3134         is_gimple_addressable.
3135         * tree-gimple.c (is_gimple_addressable): Rename from
3136         is_gimple_addr_expr_arg; accept INDIRECT_REF.
3137         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
3138         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
3139         rename to is_gimple_addressable.
3140
3141 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
3142
3143         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
3144
3145 2004-07-27  Richard Henderson  <rth@redhat.com>
3146
3147         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
3148         before rounding.
3149
3150 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
3151
3152         * libgcc2.c: Change all conditionals testing
3153         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
3154         * libgcc2.h: Likewise.
3155         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
3156         TYPE_PRECISION of float80_type to 80.
3157         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
3158         of fpreg_type and float80_type to 80.
3159         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
3160         * config/m68k/netbsd-elf.h:
3161         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
3162         to evaluate to 80 whenever they would formerly have evaluated to 96.
3163         * config/i386/sco5.h: Remove unnecessary redefinition of
3164         LONG_DOUBLE_TYPE_SIZE.
3165         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
3166         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
3167         XFmode, with a bitsize of 80.  Update commentary.
3168         * config/ia64/ia64-modes.def: Likewise.
3169         * config/m68k/m68k-modes.def: Likewise.
3170
3171 2004-07-27  Steven Bosscher  <stevenb@suse.de>
3172
3173         * cfgexpand.c (tree_expand_cfg): Fix comment.
3174
3175         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
3176         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
3177         Remove.
3178         (prepare_function_start): Don't set rtx_equal_function_value_matters.
3179         * integrate.c (copy_rtx_and_substitute): Don't test for it.
3180         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
3181         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
3182         here again.  Update leading comment.
3183         * rtl.c (rtx_equal_function_value_matters): Remove.
3184         (rtx_equal_p): Don't test for it.
3185         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
3186         Likewise.
3187
3188         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
3189         * rtl.c (note_insn_name): Likewise.
3190         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
3191         * final.c (final_scan_insn): Likewise.
3192
3193         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
3194         * passes.c (rest_of_handle_eh): Do it here.
3195
3196         * stmt.c (struct nesting): Remove struct nesting block member.
3197         (struct stmt_status): Remove x_block_start_count field.
3198         (current_block_start_count): Remove.
3199
3200 2004-07-27  Brian Booth  <bbooth@redhat.com>
3201
3202         * tree-optimize.c (register_one_dump_file): Update condition that uses
3203         static_pass_number.
3204         (dup_pass_1): Replace with...
3205         (next_pass_1): This.
3206         (NEXT_PASS): Call next_pass_1.
3207         (DUP_PASS): Remove.
3208         (init_tree_optimization_passes): Remove uses of DUP_PASS.
3209         (execute_one_pass): Update condition that uses
3210         static_pass_number.
3211         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
3212         integer.
3213
3214 2004-07-27  Nick Clifton  <nickc@redhat.com>
3215
3216         * config/m32r/m32r.c: Include integrate.h in order to get the
3217         prototype for get_hard_reg_initial_val().
3218
3219         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
3220         and tidy up indentation.
3221         (final_presence_set): Use absence_set instead, so that if there is
3222         nothing in the "o" pipe the "s" pipe can be scheduled.
3223
3224 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
3225
3226         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
3227         don't have PT_VARS nor PT_MALLOC set.
3228         Clear name tag from pointers that have not been dereferenced.
3229         (set_pt_anything, set_pt_malloc): Forward declare.
3230         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
3231         not type compatibility when determining if a pointer can be
3232         copy propagated.
3233
3234 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
3235
3236         * expr.h (canonicalize_condition, get_condition): Add an int argument.
3237         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
3238         it to check whether the condition is still valid at the jump insn.
3239         * ifcvt.c (noce_get_condition): Likewise.
3240         (noce_get_alt_condition): Update call to canonicalize_condition.
3241         * loop-iv.c (simplify_using_initial_values): Update call to
3242         get_condition.  Remove FIXME.
3243         (check_simple_exit): Update call to get_condition.
3244         * loop-unswitch.c (may_unswitch_on): Likewise.
3245         * loop.c (check_dbra_loop): Likewise.
3246         (canonicalize_condition, get_condition): Add an argument to say whether
3247         the condition must still be valid at INSN.
3248         (get_condition_for_loop): Update call to get_condition.  Require that
3249         the condition be valid at INSN.
3250         * predict.c (estimate_probability): Update call to get_condition.
3251         Remove unused earliest parameter.
3252         (expected_value_to_br_prob): Update call to canonicalize_condition.
3253
3254 2004-07-26  Eric Christopher  <echristo@redhat.com>
3255
3256         * tree-dfa.c (add_referenced_var): Register initializers of global
3257         variables.
3258
3259 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
3260
3261         * config/i386/i386.c (function_arg): Always treat 8-
3262         and 16-byte wide vectors the same, even if MMX/SSE
3263         are disabled.
3264         (contains_128bit_aligned_vector_p): Add comment.
3265
3266 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
3267
3268         * ra.h (enum node_type): Rename to:
3269         (enum ra_node_type).
3270         * ra-colorize.c: Likewise.
3271
3272 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
3273
3274         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
3275         after simplifying the jump.
3276
3277 2004-06-26  Richard Henderson  <rth@redhat.com>
3278
3279         * calls.c (combine_pending_stack_adjustment_and_call): Make
3280         preferred_unit_stack_boundary argument unsigned.  Make
3281         unadjusted_alignment unsigned.
3282         (expand_call): Make preferred_stack_boundary and
3283         preferred_unit_stack_boundary variables unsigned.
3284         * function.c (assign_stack_local_1): Make alignment unsigned.
3285         * function.h (struct function): Make stack_alignment_needed,
3286         preferred_stack_boundary unsigned.
3287         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
3288         (ix86_compute_frame_layout): Make stack_alignment_needed,
3289         preferred_alignment variables unsigned.
3290         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
3291
3292 2004-07-26  Tom Tromey  <tromey@redhat.com>
3293
3294         * tree.h: Fix typo in comment.
3295
3296 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
3297
3298         PR bootstrap/12804
3299         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
3300         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
3301         (ggc_free): Remove incorrect freeing.
3302         (sweep_pages): Advance PP for large pages.  Fix indentation.
3303
3304 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
3305
3306         PR rtl-optimization/16643
3307         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
3308         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
3309         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
3310         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
3311         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
3312         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3313         * rtl.h (tracer): Add a flags parameter.
3314         * tracer.c (tracer): Pass it to cfg_layout_initialise.
3315         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
3316         (rest_of_handle_reorder_blocks): Update calls to tracer and
3317         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
3318         (rest_of_handle_tracer): Pass 0 to tracer.
3319         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
3320
3321 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
3322
3323         PR target/16239
3324         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
3325         f->f.
3326
3327 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
3328
3329         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
3330         (BINFO_BASE_ACCESS): Adjust.
3331         (BINFO_BASE_ACCESS_APPEND): New.
3332         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
3333         * dbxout.c (dbxout_type): Adjust binfo access accessing.
3334         * dwarf2out.c (gen_member_die): Likewise.
3335         * tree-dump.c (deque_and_dump): Likewise.
3336
3337 2004-07-26  Falk Hueffner  <falk@debian.org>
3338
3339         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
3340         costs.
3341
3342 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3343
3344         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
3345         value off of the stack if TARGET_USE_FFREEP.
3346
3347 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3348
3349         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
3350         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
3351         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
3352         check on invocation of XRESIZEVEC ().
3353
3354 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3355
3356         * c-common.c (disable_builtin_function): Rename variable n to
3357         new_disabled_builtin.
3358         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
3359         Rename local variable old to old_decl.
3360         * gensupport.c (shift_output_template): Rename parameter old to src.
3361         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
3362         old_rtx and newx to new_rtx.
3363
3364 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3365
3366         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
3367         of c-pragma.h.
3368         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
3369         enum cpp_ttype.
3370         * c-lex.c: Likewise.
3371
3372 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3373
3374         * fold-const.c (constant_boolean_node): Make extern.
3375         (make_range): Wrap long lines.
3376         (fold_cond_expr_with_comparison): Remove unnecessary call to
3377         pedantic_non_lvalue.  Add missing calls to fold_convert.
3378         (fold_truthop): Add missing calls to fold_convert.
3379         (fold): Likewise.
3380         * tree.h (constant_boolean_node): Add prototype here.
3381         * builtins.c (expand_builtin_strncmp): Add missing calls to
3382         fold_convert.
3383         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
3384         Call fold_convert and constant_boolean_node to correct types.
3385         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
3386         missing call to fold_convert to correct types.
3387
3388 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
3389             Brian Ryner  <bryner@brianryner.com>
3390
3391         PR c++/9283
3392         PR c++/15000
3393         * c-common.c (c_common_attribute_table): Allow
3394         handle_visibility_attribute to be called for types.
3395         (handle_visibility_attribute) When given a type, set the visibility
3396         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
3397         so that we can check later whether the attribute was present. Added
3398         warning if attribute applied to non class type.
3399         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
3400         decls and checking that they are consistent.
3401         * common.opt: Added -fvisibility.
3402         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
3403         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
3404         * flags.h, tree.h: Added assorted support defines for overall patch
3405         * opts.c: Added parsing support for -fvisibility.
3406         * tree.c (build_decl): Set visibility for all decls to be whatever
3407         is in force at that time.
3408         * varasm.c (default_binds_local_p_1): Reworked logic determining
3409         when to make a symbol locally bound.
3410         * doc/invoke.texi: Added documentation for -fvisibility and
3411         -fvisibility-inlines-hidden.
3412
3413 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3414
3415         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
3416         * c-common.c: Add missing casts from void * to other types.
3417         * c-decl.c: Likewise.
3418         * c-format.c: Likewise.
3419         * c-lex.c: Likewise.
3420         * c-pragma.c: Likewise.
3421         * c-typeck.c: Likewise.
3422         * defaults.h: Likewise.
3423         * genconstants.c: Likewise.
3424         * gengtype-lex.l: Likewise.
3425         * genmodes.c: Likewise.
3426         * read-rtl.c: Likewise.
3427         * rtl.c: Likewise.
3428
3429 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3430
3431         * bitmap.c: Use type-safe memory allocation macros from libiberty.
3432         * c-common.c: Likewise.
3433         * c-decl.c: Likewise.
3434         * c-lang.c: Likewise.
3435         * c-lex.c: Likewise.
3436         * c-opts.c: Likewise.
3437         * c-parse.in: Likewise.
3438         * c-typeck.c: Likewise.
3439         * genconditions.c: Likewise.
3440         * gengtype-lex.l: Likewise.
3441         * gengtype-yacc.y: Likewise.
3442         * gengtype.c: Likewise.
3443         * genmodes.c: Likewise.
3444         * gensupport.c: Likewise.
3445         * read-rtl.c: Likewise.
3446         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
3447         htab_find_slot().
3448
3449 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3450
3451         * c-decl.c (groktypename, groktypename_in_param_context): Rename
3452         variable typename to type_name.
3453         * c-lex.c (interpret_float): Likewise.
3454
3455 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3456
3457         * convert.c (convert_to_real, convert_to_integer,
3458         convert_to_complex): Replace calls to build with calls to buildN.
3459         * coverage.c (tree_coverage_counter_ref): Likewise.
3460         * dojump.c (do_jump): Likewise.
3461         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
3462         * emit-rtl.c (component_ref_for_mem_expr,
3463         set_mem_attributes_minus_bitpos): Likewise.
3464         * explow.c (update_nonlocal_goto_save_area): Likewise.
3465         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
3466         expand_mult_add): Likewise.
3467         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
3468         store_constructor, get_inner_reference, expand_expr_real_1,
3469         try_casesi, try_tablejump): Likewise.
3470         * function.c (expand_function_start): Likewise.
3471         * stmt.c (emit_case_bit_tests, expand_end_case_type,
3472         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
3473         * stor-layout.c (place_union_field, layout_type): Likewise.
3474         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
3475         * varasm.c (copy_constant): Likewise.
3476
3477 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3478
3479         * c-common.c: Rename all identifiers named `new'.
3480         * c-decl.c: Likewise.
3481         * gensupport.c: Likewise.
3482         * simplify-rtx.c: Likewise.
3483         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
3484         with XNEW().
3485         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
3486         with XNEWVEC().
3487
3488 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3489
3490         PR c/15360
3491         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
3492         declarations until after calling pushdecl.
3493         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
3494         "extern" and not on whether the declaration is initialized.
3495
3496 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
3497
3498         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
3499         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
3500         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
3501         "cpplib.h", "c-pragma.h", "c-common.h".
3502         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
3503         (solaris_register_pragmas): New functions.
3504         * config/sol2-protos.h: New file.
3505         * config/sol2.c: New file.
3506         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
3507         (REGISTER_TARGET_PRAGMAS): New macros.
3508         (solaris_pending_aligns, solaris_pending_inits)
3509         (solaris_pending_finis): New variables.
3510         * config/t-sol2 (sol2-c.o): Update dependencies.
3511         (sol2.o): New rule.
3512         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
3513         SUBTARGET_INSERT_ATTRIBUTES.
3514         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
3515         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
3516         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
3517         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
3518         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
3519         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
3520         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
3521         * config/sparc/sparc.c (sparc_attribute_table): New.
3522         (TARGET_INSERT_ATTRIBUTES): Define in terms of
3523         SUBTARGET_INSERT_ATTRIBUTES.
3524         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
3525         is defined.
3526         * doc/extend.texi (Solaris Pragmas): New section.
3527
3528 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3529
3530         * c-common.c: Rename all identifiers named `class' to `cl'.
3531         * c-common.h: Likewise.
3532         * c-parse.in: Likewise.
3533         * c-typeck.c: Likewise.
3534         * genmodes.c: Likewise.
3535         * real.c: Likewise.
3536         * real.h: Likewise.
3537         * recog.c: Likewise.
3538         * recog.h: Likewise.
3539         * regrename.c: Likewise.
3540         * tree.h: Likewise.
3541         * c-common.c (builtin_function_2): Change type of 5th parameter from
3542         int to enum built_in_function. Change type of 8th parameter from int
3543         to bool.
3544         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
3545         with GGC_CNEW().
3546         * c-typeck.c (convert_arguments): Change type of formal_prec from
3547         int to unsigned int.
3548         * genmodes.c (blank_mode): Make a few negative constants unsigned.
3549         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
3550         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
3551         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
3552         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
3553         iterator to for_all_modes () instead of an enum because enums can't
3554         be incremented in C++.
3555
3556
3557 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
3558
3559         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
3560         hard registers.
3561
3562 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3563
3564         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
3565         Handle ARRAY_RANGE_REF like ARRAY_REF.
3566
3567 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3568
3569         * c-typeck.c (digest_init): Don't allow arrays of signed or
3570         unsigned variants of wchar_t to be initialized by wide string
3571         constants.  Do allow arrays of enumerated types compatible with
3572         wchar_t to be initialized by wide string constants.  Refine tests
3573         distinguishing wide and narrow strings and arrays.  Give specific
3574         error for arrays of other integer types initialized by string
3575         constants.
3576         (output_init_element, process_init_element): Check for
3577         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
3578         initializing with string constants.
3579
3580 2004-07-25  Richard Henderson  <rth@redhat.com>
3581
3582         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
3583         on the RESULT_DECL.
3584         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3585         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
3586         DECL_IGNORED_P to new decl.
3587
3588 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
3589
3590         * config/ia64/ia64.c (general_xfmode_operand)
3591         (destination_xfmode_operand): Delete.
3592         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
3593         * config/ia64/ia64.md (*movxf_internal): Use general_operand
3594         and destination_operand.
3595
3596 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
3597
3598         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
3599         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
3600
3601 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
3602             Zack Weinberg  <zack@codesourcery.com
3603
3604         PR 16684
3605         * c-decl.c (diagnose_mismatched_decls): Don't issue a
3606         redundant-declaration warning the first time a builtin is
3607         declared explicitly.
3608
3609 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3610
3611         * tree.h (staticp): Change return type to bool.
3612
3613 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3614
3615         * c-common.c (c_staticp): Last episode of the staticp saga.
3616
3617 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3618
3619         * c-common.h (c_staticp): Change return type from int to bool.
3620         * tree.c (staticp): Likewise.
3621         * langhooks.h (staticp): Likewise.
3622
3623 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3624
3625         * langhooks-def.h (lhd_staticp): Change return type from int to
3626         bool in prototype to match definition.
3627
3628 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3629
3630         * system.h (bool, true, false): Don't redefine as preprocessor macros
3631         in C++.
3632
3633 2004-07-24  Roger Sayle  <roger@eyesopen.com>
3634
3635         * expmed.c (init_expmed): A signed modulus by a power of two is
3636         considered cheap if its less than or equal to four instructions.
3637
3638 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3639
3640         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
3641         GGC_CNEWVAR): New macros.
3642
3643 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3644
3645         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
3646         lists.
3647         * c-decl.c: Likewise.
3648         * c-format.c: Likewise.
3649         * c-lex.c: Likewise.
3650         * c-opts.c: Likewise.
3651         * c-pragma.c: Likewise.
3652         * c-typeck.c: Likewise.
3653         * gencheck.c: Likewise.
3654         * genconditions.c: Likewise.
3655         * genconfig.c: Likewise.
3656         * genflags.c: Likewise.
3657         * gengtype.c: Likewise.
3658         * gensupport.c: Likewise.
3659         * ggc-none.c: Likewise.
3660         * langhooks.c: Likewise.
3661         * statistics.h: Likewise.
3662         * stub-objc.c: Likewise.
3663         * java/decl.c: Likewise.
3664
3665 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
3666
3667         * config/m68k/m68k.c (output_scc_di): Fix coding style.
3668         (symbolic_operand): Fix prototype.
3669         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
3670         * config/m68k/m68k.md: Add constants for registers a0 and sp and
3671         use them, change from the "{...}" syntax to the simpler {...}
3672         syntax.
3673         (*cfv4_extendqisi2): Fix destination predicate.
3674         * config/m68k/m68k-protos.h: Remove various declarations also
3675         generated via PREDICATE_CODES.
3676
3677 2004-07-23  Mike Stump  <mrs@apple.com>
3678
3679         * c-typeck.c (convert_for_assignment): Tightened up pointer
3680         converstions that differ in signedness.
3681
3682 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
3683
3684         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
3685
3686 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3687
3688         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
3689         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
3690
3691         * gimplify.c (gimplify_compound_lval): Check for no handled
3692         operations, rather than checking for explicit list of nodes.
3693         (is_gimple_addr_expr_arg_or_indirect): New function.
3694         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
3695         redundant setting of TREE_INVARIANT.
3696         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
3697         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
3698
3699 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
3700
3701         PR tree-optimization/16688
3702         PR tree-optimization/16689
3703         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
3704         unnecessary initialization of 'tag'.
3705         (get_tmt_for): Check that the new type tag has the same alias
3706         set as the pointed-to type.
3707         (group_aliases): Only regular variables need to be removed
3708         from the alias set of a name tag.
3709         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
3710         propagation if the two types are not compatible.
3711         (merge_alias_info): Rename from replace_ssa_names_ann.
3712         Add more checking.
3713         (replace_exp_1): If both arguments are SSA_NAMEs, check that
3714         the propagation can be done.
3715         Only call merge_alias_info on pointers.
3716         (propagate_value): Likewise.
3717         * tree-ssa-copyrename.c: Include langhooks.h.
3718         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
3719         to do the merging.
3720         Do not coalesce variables with incompatible types.
3721         (rename_ssa_copies): Call replace_ssa_name_symbol.
3722         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
3723         the same type as the underlying _DECL.
3724         * tree-ssanames.c (replace_ssa_name_symbol): New function.
3725         * tree.h (replace_ssa_name_symbol): Declare.
3726
3727 2004-07-23  Richard Henderson  <rth@redhat.com>
3728
3729         PR c++/16277
3730         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
3731         unshare it properly.
3732         (gimplify_modify_expr_rhs): Push assignment from a conditional into
3733         the conditional for all non-register types.
3734
3735 2004-07-23  Richard Henderson  <rth@redhat.com>
3736
3737         * expr.c (expand_expr_real_1): Don't handle non-local variables.
3738         * expr.h (fix_lexical_addr): Remove.
3739         * function.c (NEED_SEPARATE_AP): Remove.
3740         (fix_lexical_addr): Remove.
3741         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
3742         not null decl_function_context.
3743         (create_alias_vars): Likewise.
3744         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
3745         (simple_goto_p): Likewise.
3746         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
3747         * tree-ssa-ccp.c (get_default_value): Likewise.
3748         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3749         * tree.c (needs_to_live_in_memory): Likewise.
3750         * tree-flow-inline.h (may_be_aliased): Move...
3751         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
3752         when TREE_STATIC variables may be addressable.
3753
3754 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
3755
3756         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
3757
3758 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
3759
3760         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
3761         bitmap contents if GENERATOR_FILE is defined.
3762         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
3763         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
3764
3765 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
3766
3767         * c-decl.c (start_function): Form composite type of function types
3768         rather than copying type from previous prototype declaration.
3769
3770 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
3771
3772         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
3773         the const qualifier for the second argument in the C++ functions.
3774
3775         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
3776         specific pointer types.
3777
3778         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
3779         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
3780         for vector bool and/or vector pixel, add C++ and C missing support.
3781         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
3782         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
3783         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
3784         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
3785         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
3786         missing C++ and C support for vector bool and/or vector pixel.
3787         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
3788         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
3789         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
3790         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
3791         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
3792         C++ and C types used for vector bool and/or vector pixel.
3793         (vec_st, vec_stl): Add C++ support for vector pixel.
3794         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
3795         (vec_all_ne): Add C++ support for vector pixel.
3796
3797         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
3798         (vec_vmulesb): Add missing C++ function.
3799         (vec_perm): Fix type of third argument in C++ function.
3800         (vec_vsum4shs): Fix C++ function name.
3801         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
3802         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
3803         argument passed to the error handler in C macro.
3804         (vec_nmsub): Remove extra parens around argument names in C macro.
3805         (vec_packpx): Add missing parens in C macro.
3806
3807 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
3808
3809         * machmode.def: Remove vector modes.
3810         * config/alpha/alpha-modes.def: Add supported vector modes.
3811         * config/arm/arm-modes.def: Likewise.
3812         * config/frv/frv-modes.def: Likewise.
3813         * config/i386/i386-modes.def: Likewise.
3814         * config/rs6000/rs6000-modes.def: Likewise.
3815         * config/sh/sh-modes.def: Likewise.
3816
3817 2004-07-23  Matthias Klose  <doko@debian.org>
3818
3819         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
3820         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
3821         * config.h: Regenerate.
3822         * configure: Likewise.
3823
3824 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
3825
3826         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
3827         generated SYMBOL_REFs for labels.
3828         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
3829         Change prototype.
3830         (machopic_stub_name): Remove.
3831         (machopic_indirection_name): New function.
3832         (machopic_mcount_stub_name): Likewise.
3833         (machopic_classify_name): Remove.
3834         (machopic_function_base_sym): New function.
3835         (machpoic_classify_symbol): Likewise.
3836         (machopic_classify_ident): Remove.
3837         (machopic_define_ident): Likewise.
3838         (machopic_define_name): Likewise.
3839         (machopic_name_defined_p): Likewise.
3840         (machopic_ident_defined_p): Likewise.
3841         (darwin_strip_name_encoding): Likewise.
3842         (machopic_define_symbol): New function.
3843         * config/darwin.c (hashtab.h): Include.
3844         (machopic_defined_list): Remove.
3845         (machopic_classify_ident): Likewise.
3846         (machopic_classify_name): Likewise.
3847         (machopic_ident_defined_p): Likewise.
3848         (machopic_define_ident): Likewise.
3849         (machopic_define_name): Likewise.
3850         (machopic_symbol_defined_p): New function.
3851         (machopic_classify_symbol): Likewise.
3852         (machopic_data_defined_p): Use machopic_classify_symbol.
3853         (machopic_define_symbol): New function.
3854         (machopic_function_base_sym): New function.
3855         (machopic_non_lazy_pointers): Remove.
3856         (machopic_non_lazy_ptr_name): Likewise.
3857         (machopic_stubs): Likewise.
3858         (machopic_stub_name): Likewise.
3859         (NON_LAZY_POINTER_SUFFIX): New macro.
3860         (STUB_SUFFIX): Likewise.
3861         (machopic_indirection): New structure.
3862         (machopic_indirections): New variable.
3863         (machopic_indirection_hash): New function.
3864         (machopic_indirection_eq): Likewise.
3865         (machopic_indirection_name): Likewise.
3866         (machopic_mcount_stub_name): New function.
3867         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
3868         hash table.
3869         (machopic_indirect_data_reference): Rework to use new functions.
3870         (machopic_indirect_call_target): Likewise.
3871         (machopic_legitimize_pic_address): Likewise.
3872         (machopic_output_indirection): New function.
3873         (machopic_finish): Use it.
3874         (machopic_operand_p): Rework to use new functions.
3875         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
3876         (darwin_strip_name_encoding): Remove.
3877         (update_non_lazy_ptrs): Remove.
3878         (update_stubs): Likewise.
3879         (darwin_non_lazy_pcrel): Use new functions.
3880         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
3881         (ASM_OUTPUT_LABELREF): Likewise.
3882         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3883         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
3884         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
3885         (TARGET_STRIP_NAME_ENCODING): Do not use
3886         darwin_strip_name_encoding.
3887         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
3888         darwin_strip_name_encoding.
3889         * config/i386/darwin.h (FUNCTION_PROFILER): Use
3890         machopic_mcount_stub_name.
3891         * config/i386/i386.c (x86_output_mi_thunk): Use
3892         machopic_indirection_name, not machopic_stub_name.
3893         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
3894         machopic_function_base_sym.
3895         (print_operand): Use machopic_classify_symbol.
3896         (rs6000_emit_prologue): Use machopic_function_base_sym.
3897         (output_profile_hook): Do not use machopic_stub_name.
3898         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
3899
3900 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3901
3902         PR c/7284
3903         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
3904         as multiplication.
3905
3906 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3907
3908         * doc/implement-c.texi: New file.
3909         * doc/extend.texi (C Implementation): Move to there.
3910         * doc/gcc.texi: Include implement-c.texi.
3911         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
3912
3913 2004-07-22  Jason Merrill  <jason@redhat.com>
3914
3915         * integrate.c (copy_decl_for_inlining): Remove invisible reference
3916         handling.
3917         * tree-inline.c (setup_one_parameter): Likewise.
3918
3919 2004-07-22  Brian Booth  <bbooth@redhat.com>
3920
3921         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
3922         (substitute_and_fold): Propigate into VUSE operands when possible.
3923         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
3924         (cp_lattice_meet): Handle merging of latticevalues when
3925         UNKNOWN_VAL is present.
3926         (visit_stmt): Visit assignments with V_MUST_DEFs.
3927         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
3928         (ccp_fold): Deal with RHS' that are constant and virtual.
3929         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
3930         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
3931         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
3932         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
3933         computing immediate uses.
3934         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
3935         transition.
3936         (replace_vuse_in): New function.
3937         (likely_value): Add check of vuse operands.
3938         (get_default_value): Set the default value of virtually defined
3939         variables to UKNOWN_VAL instead of VARYING.
3940
3941 2004-07-22  Richard Henderson  <rth@redhat.com>
3942
3943         * expr.c (emit_push_insn): Don't use set_mem_attributes.
3944
3945 2004-07-22  Richard Henderson  <rth@redhat.com>
3946
3947         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
3948         variables due to conditional compilation.
3949
3950 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
3951
3952         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
3953         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
3954         Release SSA names that have been re-renamed.
3955         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
3956         variable.
3957         * tree-ssa-alias.c (init_alias_info): If aliases have been
3958         computed before, clear existing alias information.
3959         (create_name_tags): Do no fixup PT_ANYTHING pointers.
3960         If the new name tag for a pointer is different than the one it
3961         had before, mark the old tag for renaming.
3962         (replace_may_alias): New function.
3963         (group_aliases): Call it.
3964         (setup_pointers_and_addressables): Always call get_tmt_for.
3965         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
3966         once.
3967         (set_pt_anything): New local function.
3968         (set_pt_malloc): New local function.
3969         (merge_pointed_to_info): Don't merge pointed-to variables from
3970         the original pointer if the destination is pointing to an
3971         unknown location.
3972         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
3973         (add_pointed_to_var): Do not add a variable to the points-to
3974         set if the pointer is already pointing to anywhere.
3975         (collect_points_to_info_r): If the defining statement is a PHI
3976         node, only merge pointed-to information if the argument has
3977         already been visited.
3978         (get_tmt_for): Only create a new tag if the pointer didn't
3979         have one already.
3980         (dump_alias_info): Emit more information.
3981         (dump_points_to_info_for): Likewise.
3982         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
3983         try to get the annotation of an SSA_NAME.
3984         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
3985         alias sets when checking is enabled.
3986         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
3987         (eliminate): Mark basic blocks that will need
3988         EH information cleaned up.
3989         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
3990         predecessor.
3991         Initialize need_eh_cleanup.
3992         (fini_pre): Call tree_purge_all_dead_eh_edges and
3993         cleanup_tree_cfg if needed.
3994         Free need_eh_cleanup.
3995         * tree-ssa.c (verify_ssa_name): New function.
3996         (verify_def): Call it.
3997         Re-arrange to avoid printing too many error messages.
3998         (verify_use): Likewise.
3999         (verify_phi_args): Likewise.
4000         (verify_flow_insensitive_alias_info): New function.
4001         (verify_flow_sensitive_alias_info): New function.
4002         (verify_alias_info): New function.
4003         (verify_ssa): Call verify_alias_info.
4004         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
4005         program.
4006         Re-arrange to avoid printing too many error messages.
4007         * tree-ssanames.c (make_ssa_name): Clear
4008         SSA_NAME_IN_FREE_LIST.
4009         (release_ssa_name): Never release a default definition.
4010         (release_defs): New function.
4011         * tree.h: Declare it.
4012         * tree-ssa-dce.c (remove_dead_stmt): Call it.
4013
4014 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
4015
4016         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
4017         If true, do a depth-first search.  Do a breadht-first search,
4018         otherwise.
4019         (walk_use_def_chains): Add new argument IS_DFS.
4020         Update all users.
4021         * tree-flow.h (walk_use_def_chains): Update prototype.
4022
4023 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
4024
4025         * config/cris/cris.md: Tweak formatting.
4026         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
4027         (mover2side, moverside, movemside, movei, op3, andu): Replace
4028         live define_peephole:s with define_peephole2 near-equivalents.
4029         Delete the rest.
4030         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
4031         word-size modes.
4032         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
4033         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
4034         "*mov_sidesi_mem" respectively.
4035
4036 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
4037
4038         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
4039         (gimplify_build1): Move from tree-complex.c do_unop.
4040         (gimplify_build2): Move from tree-complex.c do_binop.
4041         (gimplify_build3): New.
4042         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
4043         Adjust throughout to call the functions above.
4044         * tree-flow.h: Declare the functions above.
4045         * tree-nested.c (gimplify_val): Rename to...
4046         (tsi_gimplify_val): ... this.
4047
4048         * Makefile.in (tree_complex.o): Update dependencies.
4049         (stor-layout.o): Depend on regs.h.
4050         * c-common.c (handle_vector_size_attribute): Update for
4051         vector types without corresponding vector modes.
4052         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
4053         a corresponding vector mode is not available.
4054         * print-tree.c (print_node): Print nunits for vector types
4055         * regclass.c (have_regs_of_mode): New.
4056         (init_reg_sets_1): Initialize it and use it instead
4057         of allocatable_regs_of_mode.
4058         * regs.h (have_regs_of_mode): Declare it.
4059         * stor-layout.c (layout_type): Pick a mode for vector types.
4060         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
4061         build_replicated_const, do_unop, do_binop, do_plus_minus,
4062         do_negate, expand_vector_piecewise, expand_vector_parallel,
4063         expand_vector_addition, expand_vector_operations_1,
4064         expand_vector_operations, tree_lower_operations,
4065         pass_lower_vector_ssa, pass_pre_expand): New.
4066         (expand_complex_operations, pass_lower_complex): Remove.
4067         * tree-optimize.c (init_tree_optimization_passes): Adjust
4068         pass ordering for changes in tree-complex.c.
4069         * tree-pass.h: Declare new passes.
4070         * tree.c (finish_vector_type): Remove.
4071         (make_vector_type): New.
4072         (build_vector_type_for_mode, build_vector_type): Rewritten.
4073         * tree.def (VECTOR_TYPE): Document where the number of
4074         subparts is stored.
4075         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
4076         (make_vector): Remove declaration.
4077
4078 2004-07-21  Richard Henderson  <rth@redhat.com>
4079
4080         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
4081         TREE_THIS_VOLATILE, may_aliases, or optimization level.
4082         (remove_useless_vars): Dump debugging info.
4083         (expand_used_vars): Move ...
4084         * cfgexpand.c (expand_used_vars): ... here.  Make static.
4085         * tree-flow-inline.h (set_is_used): New.
4086         (set_default_def): Use get_var_ann.
4087         * tree-flow.h: Update decls.
4088         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
4089         (create_ssa_var_map): Use it.
4090         * tree-ssa.c (set_is_used): Remove.
4091
4092 2004-07-22  Ben Elliston  <bje@au.ibm.com>
4093
4094         * gdbinit.in: Set a breakpoint on internal_error.
4095
4096 2004-07-21  Richard Henderson  <rth@redhat.com>
4097
4098         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
4099         to create a new basic block.
4100
4101 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4102
4103         PR c/15052
4104         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
4105         return type on function definitions.  Move other warnings for
4106         qualified return type to -Wreturn-type.  Do not condition any such
4107         warnings on -pedantic.  Update comments.
4108         (start_function): Only copy function type from previous prototype
4109         declaration if return types are compatible.
4110         * c-typeck.c (function_types_compatible_p): Don't condition
4111         warning for incompatibility of volatile qualifiers on the return
4112         type on -pedantic.  Update comment.
4113         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
4114
4115 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4116
4117         * c-typeck.c (set_init_index): Require designator to be of integer
4118         type.
4119
4120 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4121
4122         PR c/11250
4123         * c-parse.in (init): Change to exprtype.
4124         (primary): Set original_code for STRING to STRING_CST.
4125         Call maybe_warn_string_init for compound literals.
4126         (initdcl, notype_initdcl): Call maybe_warn_string_init.
4127         (initval): Update.
4128         * c-tree.h (maybe_warn_string_init): New.
4129         (pop_init_level, process_init_element): Use struct c_expr.
4130         (struct c_expr): Update comment.
4131         * c-typeck.c (maybe_warn_string_init): New function.
4132         (digest_init): Call it.  Additional parameter strict_string.  All
4133         callers changed.
4134         (output_init_element): Likewise.
4135         (struct constructor_stack): Use struct c_expr for
4136         replacement_value.
4137         (really_start_incremental_init, push_init_level): Update.
4138         (pop_init_level): Update.  Return struct c_expr.
4139         (process_init_level): Update.  Take struct c_expr argument.
4140
4141 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
4142
4143         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
4144         commit.
4145
4146 2004-07-21  Eric Christopher  <echristo@redhat.com>
4147
4148         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
4149         removal.
4150         * c-decl.c (pop_scope): Ditto.
4151         * calls.c (expand_call): Remove call to current_nesting_level,
4152         update comment accordingly. Remove calls to expand_start_target_temps
4153         and expand_end_target_temps.
4154         * cfgexpand.c (construct_init_block): Remove call to
4155         expand_start_bindings_and_block.
4156         (construct_exit_block): Remove call to expand_end_bindings.
4157         * expr.c (safe_from_p): Remove BIND_EXPR handling.
4158         (expand_expr_real_1): Ditto. Fix formatting.
4159         (expand_vars): Delete.
4160         * stmt.c (POPSTACK): Remove block_stack.
4161         (stmt_status): Remove x_block_stack.
4162         (block_stack): Delete.
4163         (expand_start_bindings_and_block): Ditto.
4164         (expand_start_target_temps): Ditto.
4165         (expand_end_target_temps): Ditto.
4166         (current_nesting_level): Ditto.
4167         (warn_about_unused_variables): Ditto.
4168         (expand_end_bindings): Ditto.
4169         * tree.h: Remove declarations for above.
4170
4171 2004-07-21  Steven Bosscher  <stevenb@suse.de>
4172
4173         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
4174         * rtl.c (note_insn_name): Likewise.
4175         * print-rtl.c (print_rtx): Don't print it.
4176         * cfgrtl.h (can_delete_note_p): Don't handle it.
4177         (rtl_delete_block): Likewise.
4178         * passes.c (rest_of_handle_guess_branch_prob): Remove.
4179         (rest_of_compilation): Don't call it.
4180         * predict.c (process_note_predictions, process_note_prediction,
4181         note_prediction_to_br_prob): Remove.
4182         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
4183         * stmt.c (return_prediction): Remove.
4184         (expand_value_return): Don't call it.  Don't add prediction
4185         notes for return statements.
4186
4187 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
4188
4189         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
4190         once.
4191
4192 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
4193
4194         * c-common.c (vector_types_convertible_p): Use vector types'
4195         TYPE_SIZE and TREE_TYPE instead of their mode.
4196         * convert.c (convert_to_integer): Likewise.
4197         (convert_to_vector): Likewise.
4198         * fold-const.c (fold_convert): Likewise.
4199         * varasm.c (output_constant): Likewise.
4200         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
4201         Allow a VECTOR_TYPE initializer to be made of several vectors.
4202         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
4203         of cleared and need_to_clear, and use fold_convert.
4204         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
4205         integer vectors.
4206
4207 2004-07-20  Richard Henderson  <rth@redhat.com>
4208
4209         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
4210         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
4211
4212 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
4213
4214         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
4215         enormous cost if not TARGET_HARD_MUL.
4216
4217 2004-07-20  Andrew Pinski  <apinski@apple.com>
4218
4219         PR target/16557
4220         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
4221         (ASM_SPEC): here.
4222
4223 2004-07-21  Paul brook  <paul@codesourcery.com>
4224
4225         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
4226
4227 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4228
4229         * fold-const.c (operand_equal_p): Temporarily support NULL args.
4230         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
4231         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
4232
4233 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
4234
4235         * rtl.h (plus_constant): Delete.
4236         (plus_constant_wide): Rename to plus_constant.
4237         (plus_constant_for_output_wide): Delete vestigial prototype.
4238         (GEN_INT): Remove unnecessary cast.
4239         * tree.h (build_int_2, size_int_type): Delete.
4240         (build_int_2_wide): Rename to build_int_2.
4241         (size_int_wide): Rename to size_int_kind.
4242         (size_int_type_wide): Rename to size_int_type.
4243         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
4244         Remove unnecessary cast.
4245         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
4246         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
4247         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
4248         (size_int_type_wide): Rename size_int_type.
4249         (int_const_binop): Use size_int_type.
4250         * c-lex.c (interpret_integer): Use build_int_2.
4251         * final.c (split_double): Remove unnecessary casts.
4252         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
4253
4254 2004-07-20  Richard Henderson  <rth@redhat.com>
4255
4256         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
4257         (gimplify_compound_lval): Use is_gimple_tmp_reg.
4258         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
4259         (is_gimple_tmp_reg): New.
4260         * tree-gimple.h (is_gimple_tmp_reg): Declare.
4261
4262 2004-07-20  Richard Henderson  <rth@redhat.com>
4263
4264         * tree-pretty-print.c (dump_generic_node): Dump
4265         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
4266
4267 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
4268
4269         * tree-mudflap.c (mf_set_options_fndecl): New tree.
4270         (mudflap_init): Set it.
4271         (mudflap_register_call): Remove __mf_init call.
4272         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
4273         to pass "-ignore-reads" option to libmudflap if needed.
4274
4275 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
4276
4277         PR c++/14607
4278         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
4279         (MAKE_DECL_ONE_ONLY): Undefine.
4280         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
4281         readonly_data, one_only_data_section, forget_section): New prototypes.
4282         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
4283         functions.
4284         (pa_select_section): Add one-only (COMDAT) support.
4285         * pa.h (struct machine_function): Define.
4286         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
4287         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
4288         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
4289         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
4290         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
4291         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
4292         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
4293         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
4294         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
4295         for EXTRA_SECTION_FUNCTIONS.
4296         * doc/install.texi: Update binutils requirements.
4297
4298 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
4299
4300         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
4301         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
4302         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
4303         size_t.
4304         (struct VEC): Use unsigned for num and alloc.
4305         * vec.c (struct vec_prefix): Likewise.
4306         (vec_o_reserve): Adjust.
4307
4308         * dbxout.c (dbxout_type): Fix printf format.
4309
4310         * tree.h (binfo_member): Remove.
4311         * tree.c (binfo_member): Remove.
4312
4313 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
4314
4315         * tree.h: Include vec.h
4316         (DEF_VEC_P(tree)): New type.
4317         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
4318         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
4319         (BINFO_LANG_SLOT): Remove.
4320         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
4321         (struct tree_binfo): Turn base_binfos into a trailing
4322         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
4323         (binfo_lang_slots): Remove.
4324         * tree.c (binfo_lang_slots): Remove.
4325         (make_tree_binfo_stat): Take a base binfo count, not a
4326         lang slot count.  Adjust.
4327         * Makefile.in (TREE_H): Add vec.h
4328         * alias.c (record_component_aliases): Adjust BINFO access.
4329         * dbxout.c (dbxout_type): Likewise.
4330         * dwarf2out.c (gen_member_die): Likewise.
4331         * sdbout.c (sdbout_one_type): Likewise.
4332         * tree-dump.c (deque_and_dump): Likewise.
4333         * config/i386/i386.c (classify_argument,
4334         contains_128bit_aligned_vector_p): Likewise.
4335         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
4336         * doc/c-tree.texi (Classes): Update BINFO documentation.
4337
4338 2004-07-20  Steven Bosscher  <stevenb@suse.de>
4339
4340         * c-common.h (check_case_value): Remove prototype.
4341         (c_add_case_label): Adjust prototype.
4342         * c-common.c (check_case_value): Make static.
4343         (check_case_bounds): New function.
4344         (c_add_case_label): Use it.  Take new argument orig_type.
4345         * c-typeck.c (struct c_switch): New orig_type field.
4346         (c_start_case): Set it.
4347         (do_case): Pass it to c_add_case_label.
4348         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
4349         cases from here.  Add the labels in reverse order.
4350         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
4351         (add_case_node): Return nothing, don't check for duplicate cases.
4352         Insert new case nodes in a list, not in an AVL tree.
4353         (expand_end_case_type): Don't turn a case tree into a case list.
4354         (case_tree2list): Remove.
4355         * tree.h (add_case_node): Adjust prototype.
4356
4357 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
4358
4359         * genattr.c (struct range, struct function_unit,
4360         write_units, extend_range, init_range): Remove them.
4361         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
4362         Output "#define INSN_SCHEDULING" here.
4363         * genattrtab.c (struct range, struct function_unit_op,
4364         struct function_unit, struct dimension, enum operator,
4365         operate_exp, expand_units, simplify_knowing,
4366         encode_units_mask, simplify_by_exploding,
4367         find_and_mark_used_attributes, unmark_used_attributes,
4368         add_values_to_cover, increment_current_value,
4369         test_for_current_value, simplify_with_current_value,
4370         simplify_with_current_value_aux, gen_unit,
4371         write_unit_name, write_function_unit_info,
4372         write_complex_function, write_toplevel_expr,
4373         find_single_value, extend_range): Remove.
4374         (write_attr_get): Do not handle common_av->value
4375         being an FFS.
4376         (struct attr_desc): Remove func_units_p and blockage_p.
4377         (write_attr_valueq): Do not handle them.
4378         (find_attr): Do not clear them.
4379         (make_internal_attr): Do not initialize them.
4380         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
4381         * sched-vis.c (init_target_units, insn_print_units,
4382         init_block_visualization, print_block_visualization,
4383         visualize_scheduled_insns, visualize_no_unit,
4384         visualize_stall_cycles, visualize_alloc,
4385         visualize_free, target_units, get_visual_tbl_length,
4386         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
4387         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
4388         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
4389         * haifa-sched.c (blockage_range, clear_units,
4390         schedule_unit, actual_hazard, potential_hazard,
4391         insn_unit, unit_last_insn, unit_tick,
4392         actual_hazard_this_instance, potential_hazard,
4393         schedule_unit, max_insn_queue_index_value): Remove.
4394         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
4395         max_insn_queue_index.
4396         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
4397         * doc/md.texi (Processor pipeline description): Remove
4398         references to old pipeline descriptions.
4399         (Automaton pipeline description): Merge with the above.
4400         (Old pipeline description, Comparison of the two descriptions):
4401         Remove.
4402
4403         * bt-load.c (migrate_btr_def): Remove references to
4404         use_pipeline_interface.
4405         * haifa-sched.c (insn_cost, schedule_insn,
4406         schedule_block, advance_one_cycle, sched_init,
4407         queue_to_ready, sched_finish): Likewise.
4408         * modulo-sched.c (sms_schedule, advance_one_cycle,
4409         ps_has_conflicts): Likewise.
4410         * sched-rgn.c (init_ready): Likewise.
4411         (debug_dependencies): Likewise, and remove an "if (1)".
4412         * target.h (use_dfa_pipeline_interface): Remove.
4413         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4414         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4415         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4416         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4417         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4418         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4419         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4420         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4421         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4422         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4423         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4424         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4425         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4426         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4427         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4428         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4429         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4430         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4431         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4432
4433 2004-07-19  Roger Sayle  <roger@eyesopen.com>
4434
4435         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
4436
4437 2004-07-19  Jeff Law  <law@redhat.com>
4438
4439         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
4440         (get_eq_expr_value): Use it.  Simplify slightly.
4441
4442 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
4443
4444         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
4445         (umulsidi3_32bit_r4000): Likewise.
4446
4447 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
4448
4449         * vec.h: Propagate location information properly.
4450         (VEC_T_iterate): Add result pointer parameter.
4451         (VEC_T_space): New.
4452         (VEC_T_reserve): Use it.
4453
4454 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
4455
4456         * Makefile.in (c-format.o): Depend on c-format.h.
4457         * c-format.h: New file.
4458         (struct format_char_info): Add CHAIN member.
4459         * c-format.c: Move some types and constants to c-format.h.
4460         (format_type_error): Set to -1.
4461         (struct function_format_info): Use an int for format_type.
4462         (decode_format_type): Return an int.  Return format_type_error
4463         on error.
4464         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
4465         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
4466         (scan_char_table, time_char_table, monetary_char_table): Initialize
4467         CHAIN to NULL.
4468         (n_format_types): New variable.
4469         (check_format_info_main): Handle CHAIN in format_char_info.
4470         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
4471         TARGET_N_FORMAT_TYPES.
4472         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
4473         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
4474         * config/sol2-c.c: New file.
4475         * config/t-sol2: New file.
4476         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
4477         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
4478         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
4479
4480         * doc/extend.texi (Target Format Checks): New section.
4481         (Function Attributes): Mention it.
4482         * doc/invoke.texi: Mention target format checks.
4483         * doc/sourcebuild.texi: Mention target format checks.
4484         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
4485         TARGET_FORMAT_TYPES.
4486
4487 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4488
4489         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
4490         added.
4491         * config/s390/s390.c (regclass_map initializer): Register 35 added to
4492         ADDR_REGS.
4493         (load_multiple_operation, store_multiple_operation): Removed
4494         pointless sanity check.
4495         (s390_decompose_address): Added check for return_address_pointer_rtx.
4496         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
4497         (s390_return_address_offset): New function.
4498         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
4499         (FRAME_REGNO_P): Added check for register 35.
4500         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
4501         REG_ALLOC_ORDER): Appended entry for register 35.
4502         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
4503         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
4504         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
4505         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
4506         is eliminable using stack pointer or hard frame pointer.
4507         (REGISTER_NAMES): Added name for register 35.
4508         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
4509         pointless sanity check.
4510
4511 2004-07-19  Roger Sayle  <roger@eyesopen.com>
4512
4513         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
4514         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
4515         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
4516         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
4517         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
4518         (fold_relational_const): Tidy up handling of floating point
4519         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
4520         transformation; fold_relational_const assumes constant operands.
4521
4522 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
4523
4524         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
4525         directory.
4526
4527 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
4528
4529         * c-tree.h (struct c_expr): Define.
4530         (C_SET_EXP_ORIGINAL_CODE): Remove.
4531         (parser_build_binary_op, build_compound_expr): Update prototypes.
4532         * c-parse.in (%union): Add exprtype.
4533         (FUNC_NAME): Mark as ttype.
4534         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
4535         exprtype.
4536         (expr): Update.  Define directly in terms of expr_no_commas
4537         instead of using nonnull_exprlist.
4538         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
4539         offsetof_member_designator, typespec_nonreserved_nonattr, init,
4540         initval, designator, component_declarator,
4541         component_notype_declarator, enumerator, array_declarator,
4542         condition, exexpr, switch_statement, stmt_nocomp, stmt,
4543         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
4544         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
4545         where appropriate.
4546         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
4547         * c-common.c (c_common_truthvalue_conversion): Don't check
4548         C_EXP_ORIGINAL_CODE.
4549         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
4550         Don't use C_EXP_ORIGINAL_CODE.
4551         (default_conversion, default_function_array_conversion): Don't use
4552         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
4553         (internal_build_compound_expr): Merge into build_compound_expr.
4554         (build_compound_expr): Take two operands instead of a TREE_LIST.
4555         * objc/objc-act.c (get_super_receiver): Update calls to
4556         build_compound_expr.
4557
4558 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
4559
4560         * config/sh/sh.c (sh_use_dfa_interface): Remove.
4561         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
4562         hook_int_void_1.
4563         * config/sh/sh.md: Extract pipeline descriptions
4564         into separate files.
4565         * config/sh/sh1.md: New file, extracted from sh.md.
4566         * config/sh/sh4.md: New file, extracted from sh.md.
4567         * config/sh/shmedia.md: New file, extracted from sh.md
4568         and rewritten using new-style pipeline description.
4569
4570 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
4571
4572         * config/pa/pa.md: Delete the two remaining define_peephole
4573         patterns.
4574
4575 2004-07-18  Steven Bosscher  <stevenb@suse.de>
4576             Joseph S. Myers  <jsm@polyomino.org.uk>
4577
4578         * c-common.c (c_common_truthvalue_conversion): Don't warn if
4579         TREE_NO_WARNING is set.
4580
4581 2004-07-18  Roger Sayle  <roger@eyesopen.com>
4582
4583         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
4584         simplify_builtin_strncmp): Delete.
4585         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
4586         Change argument to accept an arglist instead of an "exp".  Assume
4587         that the return type is always integer_type_node.  Copy missing
4588         transformations from their now obsolete simplify_builtin_*
4589         equivalents.
4590         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
4591         fold_builtin_strcmp and fold_builtin_strncmp.
4592         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
4593         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
4594         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
4595
4596 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
4597
4598         * Makefile.in (tree-alias-common.o): Update dependencies.
4599
4600 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
4601
4602         * cfgloop.c (flow_loop_nested_p): Fix comment.
4603
4604 2004-07-17  Jason Merrill  <jason@redhat.com>
4605
4606         PR c++/16115
4607         * stor-layout.c (relayout_decl): New fn.
4608         * tree.h: Declare it.
4609         (DECL_BY_REFERENCE): New macro.
4610
4611 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
4612
4613         * libgcc2.c (__enable_execute_stack): New symbol.
4614         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
4615         and declare __enable_execute_stack.
4616         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
4617         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
4618         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4619         ENABLE_EXECUTE_STACK.
4620         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
4621         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4622         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4623         ENABLE_EXECUTE_STACK.
4624         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4625         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
4626         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4627         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4628         ENABLE_EXECUTE_STACK.
4629         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4630         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4631         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4632         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4633         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
4634         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4635         (sparc64_initialize_trampoline): Likewise.
4636         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
4637
4638 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
4639
4640         * langhooks.h (builtin_function): New langhook.
4641         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
4642         (LANG_HOOKS_INITIALIZER): Update.
4643         * tree.h (builtin_function): Remove.
4644         * doc/tm.texi: Update.
4645         * c-tree.h (builtin_function): Declare.
4646         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
4647         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
4648         config/ia64/ia64.c, config/iq2000/iq2000.c,
4649         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
4650         config/stormy16/stormy16.c: All callers of builtin_function
4651         changed.
4652
4653 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
4654
4655         PR target/16556
4656         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
4657         Remove white space after the backslash.
4658
4659 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4660
4661         PR rtl-optimization/16294
4662         * resource.c (return_insn_p): New predicate.
4663         (mark_target_live_regs): Use it.  Special-case return insns.
4664         (init_resource_info): Use it.  Don't scan the epilogue past
4665         a return.
4666
4667 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4668
4669         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
4670         destroy dominance information.
4671         * passes.c (rest_of_handle_loop2):  Free dominance information.
4672         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
4673         jump threading.
4674         (thread_jumps): Update dominance information and remove unreachable
4675         blocks.
4676         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
4677         information and remove the unreachable block.
4678
4679 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
4680
4681         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
4682
4683 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
4684
4685         * doc/sourcebuild.texi: Remove libf2c entry.
4686
4687 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
4688
4689         * config/i386/i386.md (movv16qi_internal): Fix typo.
4690
4691 2004-07-17  Steven Bosscher  <stevenb@suse.de>
4692
4693         * final.c (final_scan_insn): Fix broken commit from previous
4694         patch.
4695
4696 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
4697
4698         * c-typeck.c (parser_build_binary_op): Condition warnings for
4699         X<=Y<=Z on -Wparentheses instead of -Wextra.
4700         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
4701         supported for C only.
4702
4703 2004-07-17  Steven Bosscher  <stevenb@suse.de>
4704
4705         * cfgcleanup.c (try_simplify_condjump): Don't remove line
4706         notes to avoid unreachable code warnings.
4707         * toplev.c (backend_init): Don't emit line notes for
4708         unreachable code warnings.
4709
4710         * combine.c (distribute_notes): Don't distribute a
4711         REG_VTABLE_REF note.
4712         * final.c (final_scan_insn): Don't handle it.
4713         * rtl.c (reg_note_name): Remove it.
4714         * rtl.h (enum reg_node): Dito.
4715
4716         * emit-rtl.c (force_line_numbers, restore_line_number_status):
4717         Remove.
4718         * rtl.h (force_line_numbers, restore_line_number_status):
4719         Remove prototypes.
4720
4721         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
4722         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
4723         (using_eh_for_cleanups): Also moved here.
4724
4725         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
4726         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
4727         to expand_start_case and add_case_node.
4728         * stmt.c (struct nesting): Cleanup unused fields condition_code,
4729         last_unconditional_cleanup, nominal_type, printname, and
4730         line_number_status.
4731         (struct fixup_goto): Remove.
4732         (struct stmt_status): Remove x_goto_fixup_chain field.
4733         (goto_fixup_chain): Remove.
4734         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
4735         pushcase, pushcase_range): Remove.
4736         (expand_start_bindings_and_block): Don't set unused fields in
4737         the nesting stack.
4738         (expand_start_case, add_case_node): Cleanup unused formal arguments.
4739         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
4740         instead of emit_jump_if_reachable.
4741         (emit_case_nodes): Likewise.
4742         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
4743         static.
4744         (update_eh_label): Work around left-over exception handing regions.
4745         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
4746         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
4747         (pass_cleanup_cfg_post_optimizing): New pass.
4748         (init_tree_optimization_passes): Run the new pass after all
4749         optimizations.
4750         * tree.h (pushcase, pushcase_range): Remove prototypes.
4751         (expand_start_case, add_case_node): Update prototypes.
4752
4753 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
4754
4755         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
4756
4757 2004-07-16  Richard Henderson  <rth@redhat.com>
4758
4759         * builtins.c (std_expand_builtin_va_arg): Remove.
4760         (expand_builtin_va_arg): Remove.
4761         * expr.h: Don't declare them.
4762         * gimplify.c (mark_decls_volatile_r): Remove.
4763         (copy_if_shared_r): Don't call it.
4764         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
4765         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
4766         * gimple-low.c (lower_stmt): Likewise.
4767         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
4768         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
4769         * tree-ssa-operands.c (get_expr_operands): Likewise.
4770         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
4771         EXPAND_BUILTIN_VA_ARG.
4772         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
4773         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
4774         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
4775         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
4776
4777 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
4778
4779         * tree-ssa-pre.c (insert_aux): Break out if we hit
4780         a critical edge.
4781
4782 2004-07-16  Richard Henderson  <rth@redhat.com>
4783
4784         * basic-block.h (remove_fake_exit_edges): Declare.
4785         * cfganal.c (remove_fake_predecessors): Rename from
4786         remove_fake_successors; iterate over predecessors.
4787         (remove_fake_exit_edges): New.
4788         * cfgcleanup.c (try_optimize_cfg): Use it.
4789         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
4790         * predict.c (estimate_probability): Likewise.
4791         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
4792         * tree-cfg.c (make_edges): Likewise.
4793         * tree-ssa-pre.c (fini_pre): Likewise.
4794         * profile.c (instrument_edges): Don't remove_fake_edges.
4795         (branch_prob): Do it earlier here.
4796
4797 2004-07-16  Richard Henderson  <rth@redhat.com>
4798
4799         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
4800         switchification wrt CONSTRUCTOR.  Document the reason.
4801
4802 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
4803
4804         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
4805         that prevented descriptive __mf_check source location strings.
4806
4807 2004-07-16  Richard Henderson  <rth@redhat.com>
4808
4809         * tree-def (WITH_SIZE_EXPR): New.
4810         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
4811         * expr.c (expand_expr_real_1): Likewise.
4812         * gimplify.c (maybe_with_size_expr): New.
4813         (gimplify_arg, gimplify_modify_expr): Use it.
4814         (gimplify_modify_expr_to_memcpy): Take size parameter.
4815         (gimplify_modify_expr_to_memset): Likewise.
4816         (gimplify_expr): Handle WITH_SIZE_EXPR.
4817         * tree-alias-common.c (find_func_aliases): Likewise.
4818         * tree-eh.c (tree_could_trap_p): Likewise.
4819         (tree_could_throw_p): Likewise.
4820         * tree-gimple.c (is_gimple_lvalue): Likewise.
4821         (get_call_expr_in): Likewise.
4822         * tree-inline.c (estimate_num_insns_1): Likewise.
4823         (expand_calls_inline): Likewise.
4824         * tree-nested.c (convert_call_expr): Likewise.
4825         * tree-pretty-print.c (dump_generic_node): Likewise.
4826         * tree-sra.c (sra_walk_expr): Likewise.
4827         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4828         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
4829         * tree-ssa-operands.c (get_expr_operands): Likewise.
4830         * tree-tailcall.c (find_tail_calls): Likewise.
4831
4832         * calls.c (expand_call): Reset old_stack_allocated after
4833         calling emit_stack_restore.
4834
4835 2004-07-16  Richard Henderson  <rth@redhat.com>
4836
4837         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
4838         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4839         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4840         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4841         copy_res_decl_for_inlining.
4842
4843         * tree-inline.c (declare_return_variable): New modify_dest argument.
4844         Use it as the return value, when possible or manditory.  Handle
4845         TREE_ADDRESSABLE types.
4846         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
4847         replacement of CALL_EXPR.
4848
4849 2004-07-16  Richard Henderson  <rth@redhat.com>
4850
4851         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
4852         * gimple-low.c (expand_var_p): Don't check it.
4853         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
4854         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
4855         * tree-ssa-operands.c (add_stmt_operand): Likewise.
4856         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
4857         (find_referenced_vars): Don't call them.
4858         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
4859
4860 2004-07-16  Richard Henderson  <rth@redhat.com>
4861
4862         * function.c (pass_by_reference): True for all variable sized types.
4863
4864 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
4865
4866         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
4867         * tree-pretty-print.c: Include tree-chrec.h.
4868         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
4869         and POLYNOMIAL_CHREC nodes.
4870
4871 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
4872
4873         * builtins.c (expand_builtin_stpcpy): Do not create temporary
4874         reg with VOIDmode.
4875
4876 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4877
4878         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
4879
4880 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
4881
4882         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
4883         to BASE_REGNUM.
4884         * config/s390/s390.c: Likewise.
4885         * config/s390/s390.h: Likewise.
4886
4887 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4888
4889         * config/mips/mips.md (addsi3, adddi3): Remove special handling
4890         of $sp adds.  Remove REGNO checks from mips16 patterns.
4891
4892 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4893
4894         * config/mips/mips.md: Delete outdated comment.
4895
4896 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4897
4898         * config/mips/mips.c (get_float_compare_codes): Delete.
4899         (mips_emit_compare): New function, mostly extracted from
4900         get_float_compare_codes and gen_conditional_branch.
4901         (gen_conditional_branch, gen_conditional_move): Use it.
4902
4903 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4904
4905         * genautomata.c (add_vect): Speedup by using integers as
4906         bit-vectors for walking through the comb_vect and finding
4907         a match.
4908
4909 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4910
4911         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
4912         operand is an uns_arith_operand; use subtraction otherwise.
4913         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
4914         not just arith_operands.
4915
4916 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4917
4918         * config/mips/mips-protos.h (gen_int_relational): Delete.
4919         (mips_emit_scc): Declare.
4920         * config/mips/mips.c (internal_test): Delete.
4921         (sle_operand, sleu_operand): New functions.
4922         (map_test_to_internal_test, gen_int_relational): Delete.
4923         (mips_emit_binary, mips_relational_operand_ok_p)
4924         (mips_emit_int_relational, mips_zero_if_equal)
4925         (mips_emit_scc): New functions.
4926         (gen_conditional_branch): Rework to use mips_emit_int_relational.
4927         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
4928         sleu_operand.
4929         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
4930         (sltu, sleu): Use mips_emit_scc.
4931         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
4932         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
4933         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
4934
4935 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4936
4937         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
4938
4939 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4940
4941         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
4942         (*sne_[sd]i): Likewise sne_[sd]i_zero.
4943         (*sgt_[sd]i): ...and sgt_[sd]i.
4944         (*slt_[sd]i): ...and slt_[sd]i.
4945         (*sgtu_[sd]i): ...and sgtu_[sd]i.
4946         (*sltu_[sd]i): ...and sltu_[sd]i.
4947         (*sleu_[sd]i): ...and sleu_[sd]i_const.
4948         Name previously unnamed mips16 patterns.  Formatting fixes.
4949
4950 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4951
4952         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
4953         (branch_type): Delete.
4954         (gen_conditional_branch, gen_conditional_move)
4955         (mips_gen_conditional_trap): Update after name change.  Get the
4956         comparison mode from cmp_operands[0].
4957         * config/mips/mips.h (cmp_type, branch_type): Delete.
4958         (cmp_operands): Renamed from branch_cmp.
4959         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
4960         name change.  Don't set branch_type.
4961         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
4962         mode class of cmp_operands[0] rather than branch_type.  Update after
4963         name change.
4964
4965 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4966
4967         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
4968         of 0...255 to 0 when inside a SET.
4969
4970 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4971
4972         * config/mips/mips.md: Remove mips16 define_peepholes.
4973
4974 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
4975
4976         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
4977         (fini_pre): Remove fake edges.
4978
4979 2004-07-15  Richard Henderson  <rth@redhat.com>
4980
4981         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
4982         (get_indirect_ref_operands, get_call_expr_operands): ... these.
4983
4984 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
4985
4986         * vec.h (VEC_address): New function.
4987
4988 2004-07-14  Jason Merrill  <jason@redhat.com>
4989
4990         PR middle-end/15885
4991         * gimplify.c (gimplify_arg): New fn, split out from...
4992         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
4993
4994 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
4995
4996         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
4997         generate code which is generated by pushqi1 now
4998         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
4999
5000 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
5001
5002         * combine.c (simplify_set): match the mode of the constant 0 with
5003         the tested operand to match the compare behaviour and the
5004         simplify_relational_operation() expectation.
5005
5006 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
5007
5008         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
5009         ("bordered"): Same.
5010
5011 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
5012
5013         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
5014         unconditionally.
5015         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
5016
5017 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
5018
5019         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
5020         calls in mips16 code.
5021
5022 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
5023
5024         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
5025         the destination of the li as well as for the neg.
5026
5027 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
5028
5029         g++/15861
5030         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
5031         * cgraph.h: Update declaration.
5032         * c-decl.c (build_cdtor): Update call with default priority.
5033         * coverage.c (create_coverage): Ditto.
5034         * tree-mudflap.c (mf_init_fndecl): New tree.
5035         (mudflap_init): Set it.
5036         (mudflap_register_call): Arrange to call __mf_init before the first
5037         __mf_register call.
5038         (mudflap_finish_file): Mark the mudflap static initializer as extra
5039         high priority, to beat all C++ static constructors.
5040
5041 2004-07-15  Jeff Law  <law@redhat.com>
5042
5043         * loop.c (check_insn_for_givs): Restore check for code labels that was
5044         accidentally deleted by a recent checkin.
5045
5046 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
5047
5048         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
5049         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
5050
5051 2004-07-14  Richard Henderson  <rth@redhat.com>
5052
5053         * print-tree.c (print_node): Fix casts last change.
5054
5055 2004-07-15  Paul Brook  <paul@codesourcery.com>
5056
5057         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
5058         to TARGET_UNWIND_INFO.
5059         * except.c (output_function_exception_table): Ditto.
5060         * except.h: Ditto.
5061         * opts.c (decode_options): Ditto.
5062         * passes.c (rest_of_handle_final): Ditto.
5063         * final.c (final_start_function): Ditto.
5064         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
5065         target hook.
5066         * targhooks.h (default_unwind_emit): Declare.
5067         * targhooks.c (default_unwind_emit): New function.
5068         * target-def.h: Define and use TARGET_UNWIND_EMIT.
5069         * target.h (struct gcc_target): Add unwind_emit.
5070         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
5071         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
5072         Remove IA64_UNWIND_EMIT.
5073         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
5074
5075 2004-07-14  Richard Henderson  <rth@redhat.com>
5076
5077         * print-tree.c (print_node): Handle SSA_NAME.
5078
5079 2004-07-14  James E Wilson  <wilson@specifixinc.com>
5080
5081         PR target/16325
5082         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
5083         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
5084
5085 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
5086
5087         * expr.c (expand_assignment): Reenable bitfield += optimizations.
5088         Use alias set 0 for memory, do proper mode calculations and adjust
5089         address for memories.
5090
5091 2004-07-14  Per Bothner  <per@bothner.com>
5092
5093         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
5094         structure with extra column field.
5095         * tree.c (expand_location):  Also fill in column field.
5096         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
5097         gets confused by the two conditionally-compiled definitions.
5098
5099 2004-07-14  Eric Christopher  <echristo@redhat.com>
5100
5101         * calls.c (expand_call): Fix typo in comment.
5102
5103 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
5104
5105         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
5106         comparision of TFmode.
5107
5108 2004-07-14  Richard Henderson  <rth@redhat.com>
5109
5110         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
5111         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
5112         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
5113         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5114         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5115         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
5116         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5117         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5118         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5119
5120 2004-07-14  Mike Stump  <mrs@apple.com>
5121
5122         * config/darwin.h (WINT_TYPE): Define to be int to match
5123         system header files.
5124
5125 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
5126
5127         * config/xtensa/xtensa.c (function_arg_advance): Check for args
5128         that must be passed in the stack.
5129         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
5130         arguments if the size is not a constant.
5131
5132 2004-07-14  Per Bothner  <per@bothner.com>
5133
5134         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
5135         instead of EXPR_LOCUS in a boolean context, which is always true
5136         if --enable-mapped-location.
5137         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
5138
5139 2004-07-14  Richard Henderson  <rth@redhat.com>
5140
5141         * dominance.c (struct dom_info): Add fake_exit_edge.
5142         (init_dom_info): Allocate it.
5143         (free_dom_info): Free it.
5144         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
5145         in two passes.
5146         (calc_idoms): Honor fake_exit_edge.
5147
5148 2004-07-13  Jason Merrill  <jason@redhat.com>
5149
5150         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
5151         (rhs_test_for): New fn.
5152         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
5153         * tree-gimple.h: Declare them.
5154         * gimplify.c (gimplify_modify_expr): Use the new fns.
5155
5156 2004-07-14  Richard Henderson  <rth@redhat.com>
5157
5158         * config/arm/arm-protos.h (arm_va_arg): Remove.
5159         * config/arm/arm.c (arm_va_arg): Remove.
5160         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
5161         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
5162
5163 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5164
5165         * pa.c (fix_range): New function to mark a range(s) of registers as
5166         fixed registers.
5167         (override_options): Call fix_range if the -mfixed-range option string
5168         is not empty.
5169         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
5170         * doc/invoke.texi (-mfixed-range): Document new option.
5171
5172 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
5173
5174         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
5175         for TARGET_64BIT.
5176         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
5177
5178 2004-07-14  Roger Sayle  <roger@eyesopen.com>
5179
5180         * expmed.c (expand_sdiv_pow2): New function to expand signed division
5181         by a positive power of two, split out from expand_divmod.  Provide
5182         an alternate implementation when shifts are expensive.  Lower the
5183         threshold for using a branchless implementation to BRANCH_COST >= 2.
5184         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
5185
5186 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5187
5188         * tree-dfa.c (make_rename_temp): *Really* work just
5189         like create_tmp_var if called while outside SSA form.
5190
5191 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
5192
5193         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
5194         for division by zero.
5195         ("umodsi3"): Likewise.
5196
5197 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
5198
5199         * config/mips/mips.c (mips_output_move): When generating mips16 code,
5200         force loads of negative constants to be split.
5201         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
5202         Generalize SImode li/neg splitter to cope with other modes.
5203
5204 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5205
5206         * expmed.c: Remove more references to QUEUED in the comments.
5207         * expr.c: Likewise.
5208
5209 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
5210
5211         Revert:
5212         2004-07-13  Richard Henderson  <rth@redhat.com>
5213         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
5214         correctly.
5215
5216 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5217
5218         * tree-dfa.c (make_rename_temp): Work just like
5219         create_tmp_var if called while outside SSA form.
5220
5221 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5222
5223         * expr.c (enqueue_insn, finish_expr_for_function,
5224         protect_from_queue, queued_subexp_p, mark_queue,
5225         emit_insns_enqueued_after_mark, emit_queue,
5226         expand_increment): Remove.
5227         (store_constructor): Expand increment as an assignment.
5228         (expand_expr_real_1 <case PREINCREMENT_EXPR,
5229         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
5230         case POSTDECREMENT_EXPR>): Abort.
5231         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
5232         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
5233         protect_from_queue, emit_queue, queued_subexp_p): Remove.
5234         * function.h (pending_chain, x_pending_chain): Remove.
5235         * rtl.def (QUEUED): Remove.
5236
5237         * emit-rtl.c (copy_insn_1, copy_most_rtx,
5238         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
5239         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
5240         encode_units_mask): Likewise.
5241         * local-alloc.c (equiv_init_varies_p): Likewise.
5242         * rtl.c (copy_rtx): Likewise.
5243         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5244         * simplify-rtx.c (simplify_gen_subreg): Likewise.
5245         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
5246
5247         * builtins.c (expand_builtin, expand_builtin_apply,
5248         expand_builtin_mathfn, expand_builtin_mathfn_2,
5249         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
5250         Remove calls to emit_queue and protect_from_queue.
5251         * calls.c (expand_call, precompute_arguments,
5252         precompute_register_parameters, rtx_for_function_call,
5253         store_one_arg): Likewise.
5254         * dojump.c (do_compare_and_jump, do_jump): Likewise.
5255         * explow.c (memory_address): Likewise.
5256         * expmed.c (clear_by_pieces_1, clear_storage,
5257         clear_storage_via_libcall, emit_group_load,
5258         emit_group_store, emit_store_flag,
5259         expand_expr_real_1, store_by_pieces,
5260         store_constructor, store_expr, try_casesi,
5261         try_tablejump): Likewise.
5262         * function.c (expand_pending_sizes): Likewise.
5263         * optabs.c (emit_cmp_and_jump_insns,
5264         emit_conditional_add, emit_conditional_move,
5265         expand_fix, expand_float, prepare_cmp_insn): Likewise.
5266         * stmt.c (emit_case_bit_tests,
5267         expand_asm_expr, expand_computed_goto,
5268         expand_decl_init, expand_end_case_type,
5269         expand_end_stmt_expr, expand_expr_stmt_value,
5270         expand_return, expand_start_case,
5271         optimize_tail_recursion): Likewise.
5272         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5273         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
5274
5275 2004-07-14  Ben Elliston  <bje@au.ibm.com>
5276
5277         * vec.h: Comment fix.
5278
5279 2004-07-13  Richard Henderson  <rth@redhat.com>
5280
5281         * target.h (struct gcc_target): Add calls.pass_by_reference.
5282         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
5283         * function.c (pass_by_reference): Use the hook.
5284         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
5285         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
5286         (hook_pass_by_reference_must_pass_in_stack): New.
5287         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
5288         (alpha_pass_by_reference): New.
5289         (TARGET_PASS_BY_REFERENCE): New.
5290         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5291         * config/arc/arc.c (arc_pass_by_reference): New.
5292         (TARGET_PASS_BY_REFERENCE): New.
5293         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5294         (FUNCTION_ARG_CALLEE_COPIES): True.
5295         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
5296         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
5297         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
5298         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5299         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5300         * config/cris/cris.c (cris_pass_by_reference): New.
5301         (TARGET_PASS_BY_REFERENCE): New.
5302         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
5303         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
5304         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5305         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
5306         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5307         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
5308         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
5309         (frv_function_arg_pass_by_reference): Remove.
5310         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5311         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
5312         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
5313         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
5314         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5315         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
5316         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
5317         (ia64_pass_by_reference): Rename from
5318         ia64_function_arg_pass_by_reference.
5319         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5320         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5321         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
5322         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
5323         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
5324         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5325         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5326         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
5327         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
5328         (m32r_pass_by_reference): Adjust prototype.  Make static.
5329         Handle mode sizes correctly.
5330         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5331         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
5332         (m68hc11_function_arg_pass_by_reference): Remove.
5333         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5334         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5335         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
5336         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5337         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
5338         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
5339         (mips_va_arg): Use pass_by_reference.
5340         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
5341         Handle mode sizes correctly.
5342         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5343         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5344         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
5345         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
5346         (mmix_pass_by_reference): Rename from
5347         mmix_function_arg_pass_by_reference.
5348         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5349         (FUNCTION_ARG_CALLEE_COPIES): True.
5350         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
5351         (mn10300_pass_by_reference): New.
5352         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5353         (FUNCTION_ARG_CALLEE_COPIES): True.
5354         * config/pa/pa.c (pa_pass_by_reference): New.
5355         (TARGET_PASS_BY_REFERENCE): New.
5356         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5357         (FUNCTION_ARG_CALLEE_COPIES): True.
5358         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
5359         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
5360         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
5361         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5362         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
5363         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
5364         (s390_pass_by_reference): Rename from
5365         s390_function_arg_pass_by_reference.
5366         (s390_function_arg_advance): Don't query pass-by-ref.
5367         (s390_function_arg): Likewise.
5368         (s390_gimplify_va_arg): Use pass_by_reference.
5369         (s390_call_saved_register_used): Likewise.
5370         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5371         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
5372         (shcompact_byref, sh_pass_by_reference): New.
5373         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5374         (SHCOMPACT_BYREF): Remove.
5375         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
5376         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
5377         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
5378         (sparc_gimplify_va_arg): Use pass_by_reference.
5379         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5380         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5381         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
5382         (v850_pass_by_reference): New.
5383         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5384         (FUNCTION_ARG_CALLEE_COPIES): True.
5385         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
5386         FUNCTION_ARG_PASS_BY_REFERENCE docs.
5387
5388 2004-07-14  Richard Henderson  <rth@redhat.com>
5389             Richard Sandiford  <rsandifo@redhat.com>
5390
5391         * config/mips/mips-protos.h (mips_va_arg): Delete.
5392         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
5393         * config/mips/mips.c: Include tree-gimple.h.
5394         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
5395         (mips_arg_info): Remove special handling of must_pass_in_stck args.
5396         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
5397         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
5398
5399 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
5400
5401         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
5402         arguments for COND_EXPR in big-endian adjustment code.
5403
5404 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5405
5406         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
5407         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
5408         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
5409         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
5410
5411 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
5412
5413         PR tree-optimization/16443
5414         * tree-ssa-alias.c: Add more description for
5415         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
5416         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
5417         clobbering of call-clobbered and addressable variables.  If
5418         there are any before aliases have been computed, add them.
5419
5420 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
5421
5422         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
5423         verification.
5424
5425 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
5426
5427         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
5428         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
5429         to the same type.
5430
5431 2004-07-13  Per Bothner  <per@bothner.com>
5432
5433         * collect2.c (main):  Handle --no-demangle and --demangle flags.
5434
5435 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
5436
5437         * Makefile.in (OBJS-common): Add tree-data-ref.o.
5438         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
5439         (tree-data-ref.o): New rule.
5440         * lambda.h: New file.
5441         * tree-data-ref.c: New file.
5442         * tree-data-ref.h: New file.
5443         * tree.c (int_cst_value, tree_fold_gcd): New functions.
5444         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
5445
5446 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5447
5448         PR target/13926
5449         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
5450         * config/sparc/sparc.c (output_ubranch): New function.
5451         * config/sparc/sparc.md (jump pattern): Use it.
5452
5453 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5454
5455         PR target/16494
5456         * config/sparc/sparc.c (output_cbranch): Properly guard
5457         the code handling far branches with TARGET_V9.
5458         * config/sparc/sparc.md (length attribute): Document the
5459         side-effect of having a length greater or equal to 3.
5460
5461 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5462             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
5463
5464         PR target/15186
5465         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
5466         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
5467
5468 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5469             Martin Sebor  <sebor@roguewave.com>
5470
5471         PR target/12602
5472         * doc/invoke.texi (SPARC options): Document -threads
5473         and -pthreads on Solaris.
5474
5475 2004-07-13  Richard Henderson  <rth@redhat.com>
5476
5477         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
5478         by reference.
5479         (ind_gimplify_va_arg_expr): Remove.
5480         * tree.h (ind_gimplify_va_arg_expr): Remove.
5481         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
5482         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
5483         argsp to be null.
5484
5485         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
5486         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
5487         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
5488         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
5489         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
5490
5491 2004-07-13  Richard Henderson  <rth@redhat.com>
5492
5493         * function.c (pass_by_reference): New.
5494         (assign_parm_find_data_types): Use it.
5495         * calls.c (initialize_argument_information): Likewise.
5496         (emit_library_call_value_1): Likewise.
5497         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5498         * function.h (pass_by_reference): Declare.
5499
5500 2004-07-13  Richard Henderson  <rth@redhat.com>
5501
5502         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
5503         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
5504         * expr.h (MUST_PASS_IN_STACK): Remove.
5505         * system.h (MUST_PASS_IN_STACK): Poison.
5506         * tree.h (must_pass_in_stack_var_size): Declare.
5507         (must_pass_in_stack_var_size_or_pad): Declare.
5508         * calls.c (must_pass_in_stack_var_size): New.
5509         (must_pass_in_stack_var_size_or_pad): Rename from
5510         default_must_pass_in_stack.
5511         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
5512         (TARGET_MUST_PASS_IN_STACK): New.
5513         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
5514         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
5515         (TARGET_MUST_PASS_IN_STACK): New.
5516         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
5517         * config/frv/frv.c (frv_must_pass_in_stack): New.
5518         (TARGET_MUST_PASS_IN_STACK): New.
5519         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
5520         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
5521         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
5522         (ix86_must_pass_in_stack): Make static.
5523         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
5524         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
5525         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
5526         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
5527         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
5528         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
5529         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
5530         (mcore_must_pass_on_stack): Remove.
5531         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
5532         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
5533         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
5534         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
5535         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
5536         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
5537         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
5538         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
5539         (TARGET_MUST_PASS_IN_STACK): New.
5540         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
5541         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
5542         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
5543         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
5544         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
5545         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
5546         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
5547         MUST_PASS_IN_STACK.
5548
5549         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
5550         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
5551         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
5552         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
5553         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
5554         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
5555         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
5556         config/xtensa/xtensa.c: Use target hook.
5557
5558 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
5559
5560         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
5561         * configure: Rebuilt.
5562
5563 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
5564
5565         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
5566         * config/mips/mips.h (mips_reg_names): Don't declare.
5567         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
5568         (TARGET_NAME_REGS): Delete.
5569         (TARGET_SWITCHES): Remove -mrnames.
5570         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
5571         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
5572         in REGISTER_NAMES.
5573         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
5574         (override_options): Remove handling of TARGET_NAME_REGS.
5575
5576 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
5577
5578         * config/mips/mips.h (TARGET_*): Boolify.
5579
5580 2004-07-12  Nick Clifton  <nickc@redhat.com>
5581
5582         * config.gcc: Add sh-*-symbianelf target.
5583         * config/sh/sh.c: Add new target macros:
5584         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
5585         TARGET_CXX_IMPORT_EXPORT_CLASS.
5586         (sh_file_start): Create a definition of the .directive section.
5587         (sh_attribute): Add dllimport and dllexport attributes.
5588         * config/sh/symbian-pre.h: New file.
5589         * config/sh/symbian-post.h: New file.
5590         * config/sh/symbian.c: New file. Contains Symbian specific
5591         functions.
5592         * config/sh/sh-protos.h: Add prototypes for new functions
5593         provided by symbian.c.
5594         * config/sh/t-symbian: New file.
5595         * doc/extend.texi: Document support for dllimport and dllexport
5596         attributes by the sh-symbianelf target.
5597
5598 2004-07-12  James E Wilson  <wilson@specifixinc.com>
5599
5600         * Makefile.in (AR): Use @AR@ not ar.
5601         (NM): New.
5602         (AR_FOR_TARGET): Use $(AR) not ar for native.
5603         (NM_FOR_TARGET): Use $(NM) not nm for native.
5604         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
5605         * configure: Regenerate.
5606
5607 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
5608
5609         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
5610         special case.
5611         (ashldi3_sp64): Likewise.
5612
5613 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5614
5615         PR target/16477
5616         * pa.c (function_arg): Update comment.
5617         * pa.h (BLOCK_REG_PADDING): Define.
5618
5619 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5620
5621         PR tree-optimization/16461
5622         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
5623         arguments of phi nodes.
5624
5625 2004-07-12  Devang Patel  <dpatel@apple.com>
5626
5627         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
5628
5629 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
5630
5631         * function.c (expand_function_start): Ensure r_save is in Pmode.
5632         * calls.c (prepare_call_address): Ensure static_chain_value is
5633         in Pmode.
5634         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
5635         r_save_area are in Pmode.
5636         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
5637         fnaddr, and static_chain are in Pmode.
5638
5639 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
5640
5641         PR target/16445
5642         * config/ia64/ia64.c (bundling): Don't count ignored insns.
5643
5644 2004-07-12  Richard Henderson  <rth@redhat.com>
5645
5646         * target.h (struct gcc_target): Move gimplify_va_arg_expr
5647         next to build_builtin_va_list.
5648         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
5649         * builtins.c (gimplify_va_arg_expr): Likewise.
5650         * gimplify.c (copy_if_shared_r): Likewise.
5651
5652 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
5653
5654         * passes.c (rest_of_decl_compilation): Don't defer call of
5655         assemble_variable if its DECL_RTL is already set.
5656
5657 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
5658
5659         * cfgloop.h (struct loop): Add nb_iterations field.
5660         (current_loops): Declare.
5661         * tree-chrec.c (chrec_not_analyzed_yet,
5662         chrec_dont_know, chrec_known, count_ev_in_wider_type,
5663         chrec_contains_symbols_defined_in_loop): Remove the temporary
5664         hooks.
5665         * tree-flow-inline.h (loop_containing_stmt): New function.
5666         * tree-scalar-evolution.c: Add implementation.
5667         * tree-scalar-evolution.h: Add declarations.
5668
5669 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
5670
5671         PR rtl-optimization/15921
5672         * Makefile.in (global.o): Add recog.h.
5673
5674         * global.c (recog.h): Add the include-clause.
5675         (bb_info): New member earlyclobber.
5676         (allocate_bb_info, free_bb_info): Initialize/finish the new
5677         member.
5678         (earlyclobber_regclass, earlyclobber_regclass_length): The new
5679         global variables.
5680         (check_earlyclobber, regclass_intersect,
5681         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
5682         New functions.
5683         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
5684         (make_accurate_live_analysis): Modify pavin.
5685
5686 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
5687
5688         * tree-cfg.c (find_taken_edge): Statically compute the truth
5689         value of a predicate comparing an SSA_NAME to itself.
5690
5691 2004-07-12  Roger Sayle  <roger@eyesopen.com>
5692
5693         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
5694         rs6000 doesn't have shift-and-add or shift-and-sub instructions
5695         by returning the cost of a multiplication plus an addition.
5696
5697 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
5698
5699         PR tree-optimization/14107
5700         * gimplify.c (gimplify_return_expr): Accept a
5701         RETURN_EXPR with an error argument.
5702         * tree-optimize.c (init_tree_optimization_passes):
5703         Run pass_warn_function_return at -O0.
5704
5705 2004-07-12  Roger Sayle  <roger@eyesopen.com>
5706
5707         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
5708         index entry.
5709
5710 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
5711
5712         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
5713         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5714         * config/mips/3000.md: Add copyright notice.  Remove automota and
5715         function units; use generic ones instead.  Only define reservations
5716         for things that are different from generic.md.  Extend each clause
5717         to include r3900.
5718         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
5719         * config/mips/mips.md: Include them. Remove define_function_units.
5720         (alu, imuldiv): New automata and units.
5721
5722 2004-07-12  Ben Elliston  <bje@au.ibm.com>
5723
5724         * doc/invoke.texi (Optimize Options): Document -frename-registers
5725         not being enabled by default at -O3.
5726
5727 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5728
5729         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
5730         floating point additions, to keep real immediate constant positive.
5731         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
5732         into X + C, and leave positive real constants as X - C.
5733
5734 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5735
5736         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
5737
5738 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5739
5740         PR tree-optimization/15654
5741         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
5742
5743 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5744
5745         * builtins.c (fold_builtin_fputs): Don't bother converting the
5746         return type to integer_type_node, as we've already checked that
5747         the result will be ignored.
5748
5749         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
5750         that signed addition, subtraction, multiplication, division,
5751         remainder, negation and absolute value may potentially trap.
5752
5753         * fold-const.c (fold_ignored_result): New function to strip
5754         non-side-effecting tree nodes from an expression whose result
5755         is ignored.
5756         (fold_convert): Call fold_ignored_result when casting a value
5757         to VOID_TYPE.
5758         (omit_one_operand):  Call fold_ignored_result on the "omitted"
5759         operand when building a COMPOUND_EXPR.
5760         (pedantic_omit_one_operand): Likewise.
5761         * tree.h (fold_ignored_result): Prototype here.
5762         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
5763         when we're going to ignore the result.
5764
5765 2004-07-11  Richard Henderson  <rth@redhat.com>
5766
5767         PR tree-opt/16383
5768         * tree-ssa-ccp.c (fold_stmt_r): Split out...
5769         * tree.c (fields_compatible_p, find_compatible_field): ... new.
5770         * tree.h (fields_compatible_p, find_compatible_field): Declare.
5771         * tree-sra.c (sra_hash_tree): Hash fields by offset.
5772         (sra_elt_eq): Use fields_compatible_p.
5773         (generate_one_element_ref): Use find_compatible_field.
5774
5775 2004-07-11  Richard Henderson  <rth@redhat.com>
5776
5777         PR tree-opt/16422
5778         * tree-sra.c (generate_one_element_init): New.
5779         (generate_element_init): Use it.
5780         (scalarize_init): Push/pop gimplify context around it.
5781         (find_new_referenced_vars_1, find_new_referenced_vars): New.
5782         * gimplify.c (gimplify_expr): Allow SSA_NAME.
5783
5784 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5785
5786         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
5787         combine.c's combine_insn_cost.
5788         * rtl.h (insn_rtx_cost): Prototype here.
5789         * combine.c (combine_insn_cost): Delete function.
5790         (combine_validate_cost): Update callers of combine_insn_cost to
5791         call insn_rtx_cost instead.
5792         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
5793         requesting the rtx_cost of call and/or jump instructions.
5794
5795         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
5796         rtx_cost directly.  Don't request/use the cost of call or jump
5797         instructions.  Return -1 if the cost of any instruction can't be
5798         determined (or the BB contains a function call).
5799         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
5800         -1 (i.e. can't determine the cost of any instruction or the basic
5801         block contains a subroutine call).
5802         (find_if_case_2): Likewise.
5803
5804 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5805
5806         * rs6000.c (struct processor_costs): Change semantics of fields to
5807         include the COST_N_INSNS scaling, and update all initializers.
5808         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
5809         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
5810         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
5811         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
5812
5813 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5814
5815         * LANGUAGES: Remove obsolete information.
5816
5817 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5818
5819         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
5820         SIGBUS signal frames, the PSW address points *to* the faulting
5821         instruction, not after it.
5822
5823 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5824
5825         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
5826         added to TLS symbol addresses.
5827
5828 2004-07-11  Richard Henderson  <rth@redhat.com>
5829
5830         * expmed.c (init_expmed): Use stack-local structures for
5831         temporary rtl.  Don't recognize shifts.
5832
5833 2004-07-11  Richard Henderson  <rth@redhat.com>
5834
5835         * expr.c (store_expr): Don't fiddle subreg promotion for types
5836         with precision smaller than the mode.
5837
5838 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5839
5840         * tree.h (all_types_permanent): Remove.
5841
5842 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5843
5844         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
5845         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
5846         * langhooks.c (lhd_clear_binding_stack): Remove.
5847         * langhooks-def.h (lhd_clear_binding_stack,
5848         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5849         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
5850         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
5851         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5852         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
5853         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
5854         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
5855         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5856         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
5857         * tree.h (poplevel): Don't declare.
5858         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
5859         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5860         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
5861         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
5862         Remove.
5863
5864 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5865
5866         PR tree-optimization/16437
5867         * c-common.c (shorten_compare): Don't mark result of conversion to
5868         narrower signed type as overflowing.
5869         * fold-const.c (decode_field_reference): Determine whether
5870         signedness comes from outer type using precision rather than size.
5871
5872 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5873
5874         * configure.ac:  Alphabetize --enable-checking list, add
5875         missing valgrind entry.
5876         * configure:  Regenerate.
5877
5878 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5879
5880         * doc/install.texi (Testing):  Fix syntax in "make check" example.
5881
5882 2004-07-10  James E Wilson  <wilson@specifixinc.com>
5883
5884         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
5885
5886 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5887
5888         PR rtl-optimization/16001
5889         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
5890         niter_expr.
5891
5892 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
5893
5894         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
5895
5896 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
5897             James Morrison  <phython@gcc.gnu.org>
5898
5899         * doc/contrib.texi (Contributors): Add gfortran contributors and
5900         fix a couple of typos.
5901
5902 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5903
5904         PR rtl-optimization/15387
5905         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
5906         to incoming args space correctly.
5907
5908 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5909
5910         * pa.c (output_indirect_call): Only use %r2 as the link register in
5911         indirect calls with the long PA 2.0 pc-relative branch.
5912
5913 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
5914
5915         * config/i386/i386.c (override_options): Pick a 64-bit CPU
5916         for the default tuning if TARGET_64BIT.
5917
5918 2004-07-10  Richard Henderson  <rth@redhat.com>
5919
5920         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
5921         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
5922
5923 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
5924
5925         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
5926         * expmed.c (store_bit_field, extract_bit_field): Remove last
5927         argument.
5928         * builtins.c (expand_builtin_signbit): Adjust callers.
5929         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
5930         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
5931         * ifcvt.c (noce_emit_move_insn): Likewise.
5932         * stmt.c (expand_return): Likewise.
5933         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
5934         store_field, expand_expr_real_1): Likewise.
5935
5936 2004-07-10  Richard Henderson  <rth@redhat.com>
5937
5938         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
5939
5940 2004-07-09  Mike Stump  <mrs@apple.com>
5941
5942         * config/darwin.c (no_dead_strip): Add.
5943         (HAVE_DEAD_STRIP): Add.
5944         (darwin_emit_unwind_label): Ensure that we don't dead code strip
5945         the .eh label.
5946
5947 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5948
5949         * tree-ssa-loop-im.c: New file.
5950         * Makefile.in (tree-ssa-loop-im.o): Add.
5951         * cfgloop.c (superloop_at_depth): New function.
5952         * cfgloop.h (superloop_at_depth): Declare.
5953         * common.opt (ftree-lim): New flag.
5954         * expr.c (array_ref_up_bound): New function.
5955         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
5956         * timevar.def (TV_LIM): New timevar.
5957         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
5958         computing immediate uses of a phi node.
5959         * tree-flow.h (struct tree_ann_common_d): Add aux field.
5960         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
5961         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
5962         * tree-pass.h (pass_lim): Declare.
5963         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
5964         functions.
5965         (pass_lim): New pass structure.
5966         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
5967         * tree.c (in_array_bounds_p): New function.
5968         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
5969         (in_array_bounds_p, array_ref_up_bound): Declare.
5970         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
5971         * doc/passes.texi (tree-ssa-loop-im.c): Document.
5972
5973 2004-07-09  Richard Henderson  <rth@redhat.com>
5974
5975         * builtins.c (expand_builtin_stpcpy): Don't modify len.
5976
5977         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
5978         with prejudice.
5979
5980 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
5981
5982         * flags.h: Delete redundant prototypes that are being generated
5983         in options.h from common.opt.
5984         * common.opt: Add in the expository comments formerly in flags.h.
5985
5986 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5987
5988         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
5989         available for use only when TARGET_MMX/_SSE is set, and check for
5990         variable argument function if any register count is non-zero.
5991         (function_arg): Correctly suppress repeated warnings for passing SSE
5992         vectors are arguments without SSE enabled.
5993         (ix86_function_arg_boundary): Without SSE enabled, the use of what
5994         would be SSE register modes does no longer influence the alignment.
5995
5996 2004-07-09  Richard Henderson  <rth@redhat.com>
5997
5998         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
5999         Always align upward to arg boundary.  Use size_in_bytes/round_up.
6000         Maintain type-correctness of constants.
6001         * stor-layout.c (round_up, round_down): Special-case powers of 2.
6002
6003 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
6004
6005         * config/sparc/sparc.c (*_costs): Scale instruction costs
6006         by COSTS_N_INSNS.
6007         (sparc_rtx_costs): Adjust as appropriate.
6008
6009 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6010
6011         * config/i386/mm3dnow.h: New.
6012         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
6013
6014 2004-07-09  Richard Henderson  <rth@redhat.com>
6015
6016         * simplify-rtx.c (simplify_const_relational_operation): Only
6017         look at bounds of scalar integers.
6018
6019 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6020
6021         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
6022
6023 2004-07-09  Andrew Pinski  <apinski@apple.com>
6024
6025         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
6026         always referenced.
6027         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
6028         UOBJC_METACLASS_decl.
6029
6030 2004-07-09  James E Wilson  <wilson@specifixinc.com>
6031
6032         PR target/16364
6033         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
6034         do return a parallel if hfa_mode == XFmode and mode == TImode.
6035
6036 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6037
6038         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
6039         permissible for unary plus.
6040
6041 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6042
6043         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
6044         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
6045         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
6046         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
6047         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
6048         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
6049         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
6050         (BUILTIN_xxxIMAX): New.
6051         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
6052         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
6053         BUILT_IN_PARITYIMAX.
6054
6055 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
6056
6057         * config/sparc/sparc.h (processor_costs): Define.
6058         (sparc_costs): Declare.
6059         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
6060         hypersparc_costs, sparclet_costs, ultrasparc_costs,
6061         ultrasparc3_costs): New.
6062         (sparc_override_options): Set sparc_costs as appropriate.
6063         (sparc_rtx_costs): Use sparc_costs instead of messy
6064         conditionals.
6065
6066 2004-07-09  Steven Bosscher  <stevenb@suse.de>
6067
6068         * doc/md.texi (Processor pipeline description): Mention that
6069         the old pipeline description is deprecated.
6070
6071         * config/rs6000/7450.md (automaton ppc7450): Split up, move
6072         mciu_7450 function unit to...
6073         (automaton ppc7450mciu): ...new automaton.
6074
6075         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
6076         (schedule_block): Don't consider inserting bubbles.
6077         (sched_init): Don't initialize DFA bubbles.
6078         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
6079         TARGET_SCHED_DFA_BUBBLE): Remove.
6080         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
6081         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
6082         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
6083
6084         * stmt.c (conditional_context): Remove prototype.
6085         * tree.h (conditional_context): Remove.
6086         * tree-cfg.c (pre_insert_on_edge): Remove.
6087
6088         * c-common.h (c_expand_asm_operands): Remove prototype.
6089         * c-typeck.c (c_expand_asm_operands): Remove.
6090
6091 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6092
6093         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
6094         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
6095         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
6096         and V8QI are class SSE. All sufficiently small remaining vector modes
6097         must be passed in one or two integer registers.
6098         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
6099         returned in memory.
6100         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
6101         __builtin_ia32_pmuludq128 have non-uniform argument and return types
6102         and must thus be handled explicitly.
6103         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
6104         MMX and XMM regs.
6105         (movv8qi_internal, movv4hi_internal, movv2si_internal,
6106         movv2sf_internal): Permit moving between MMX and XMM registers (since
6107         MMX areguments and return values are passed in XMM registers).
6108         (sse2_umulsidi3): Correct type and mode.
6109
6110 2004-07-09  Richard Henderson  <rth@redhat.com>
6111
6112         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
6113
6114 2004-07-09  Eric Christopher  <echristo@redhat.com>
6115
6116         * config/rs6000/40x.md: Split into two automatons.
6117
6118 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
6119             Andrew Pinski  <apinski@apple.com>
6120
6121         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
6122         on when we have more than one input file.
6123         (c_common_parse_file): Restore loop over all input files.
6124         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
6125
6126         * c-decl.c (set_type_context): New function.
6127         (pop_scope): Use it to set context of types.  When we
6128         encounter a TYPE_DECL, set the context of the attached type too.
6129         (pop_file_scope): Don't call cpp_undef_all here.
6130         (diagnose_mismatched_decls): Do not complain about a second
6131         definition of an 'extern inline' function if it's not in the
6132         same translation unit.  Do not complain about inline
6133         declaration after use if the use was in a different
6134         translation unit.
6135         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
6136         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
6137         the external scope.
6138         (pushdecl_top_level): Likewise.
6139         (grokdeclarator): Clarify what is going on with setting
6140         DECL_EXTERNAL on function types, a little.
6141         (c_write_global_declarations): Don't do anything if
6142         -fsyntax-only or errors have been encountered.
6143
6144 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
6145
6146         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
6147
6148 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6149
6150         PR target/16459
6151         * pa.c (output_indirect_call): Use %r2 as the link register when
6152         calling $$dyncall with a pc-relative branch.
6153
6154 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
6155
6156         * doc/install.texi (Binaries): Mention OpenPKG.
6157
6158 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
6159
6160         Fix PR tree-optimization/15555
6161         * tree-dfa.c (dump_variable): If the variable is a pointer
6162         SSA_NAME, also dump its points-to information.
6163         * tree-flow.h (struct ptr_info_def): Add field
6164         is_dereferenced.
6165         (dump_points_to_info_for): Declare.
6166         (debug_points_to_info_for): Declare.
6167         * tree-optimize.c (init_tree_optimization_passes): Add a
6168         second alias analysis pass after DOM2.
6169         Move pass_del_pta to a later spot.
6170         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
6171         create a name tags when we find a dereferenced pointer.  Just
6172         mark the pointer dereferenced.
6173         (collect_points_to_info_for): Move code to clear points-to
6174         information to create_name_tags.
6175         (create_name_tags): New function.
6176         (compute_flow_sensitive_aliasing): Call it.
6177         (setup_pointers_and_addressables): Mark type tags for renaming
6178         here instead of ...
6179         (create_memory_tag): ... here.
6180         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
6181         (dump_points_to_info_for): Declare extern.
6182         (debug_points_to_info_for): New function.
6183
6184 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
6185
6186         * config/arc/arc.md: Switch to DFA-based scheduler description.
6187         * config/arc/arc.c: Switch to DFA-based scheduler description.
6188
6189 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6190
6191         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
6192         pointer.
6193
6194 2004-07-09  Richard Henderson  <rth@redhat.com>
6195
6196         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
6197         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6198         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
6199         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
6200
6201         * config/v850/v850-protos.h (v850_va_arg): Remove.
6202         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6203         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
6204         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
6205         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
6206         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
6207
6208 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6209
6210         PR target/12133
6211         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
6212         and DImode to use +/-4k offset.
6213
6214 2004-07-09  Richard Henderson  <rth@redhat.com>
6215
6216         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
6217         Remove.
6218         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6219         (xstormy16_gimplify_va_arg_expr): Rewrite from
6220         xstormy16_expand_builtin_va_arg.
6221         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
6222
6223         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
6224         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
6225
6226         * config/sh/sh-protos.h (sh_va_arg): Remove.
6227         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6228         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
6229         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
6230
6231         * config/pa/pa-protos.h (hppa_va_arg): Remove.
6232         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6233         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
6234         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
6235
6236         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
6237         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6238         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
6239         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
6240
6241 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
6242
6243         * config/sparc/sparc.md (return): Rewrite length formula.
6244         * config/sparc/sparc.c (output_return): Pass 1 as 5th
6245         argument to final_scan_insn when in a delay slot.
6246         (output_sibcall): Likewise.
6247
6248 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6249
6250         * arm.c (arm_cpp_interwork): New variable.
6251         (arm_override_options): Set it if TARGET_INTERWORK was on the command
6252         line.
6253         * arm.h (arm_cpp_interwork): Declare it.
6254         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
6255         __THUMB_INTERWORK__ in the preprocessor.
6256
6257 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
6258
6259         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
6260
6261 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
6262
6263         PR target/16416
6264         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
6265         Override default settings to account for -m32 and -m64.
6266
6267 2004-07-08  Randolph Chung  <tausq@debian.org>
6268
6269         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
6270
6271 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
6272
6273         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
6274         before comparing it as such.
6275
6276 2004-07-08  Richard Henderson  <rth@redhat.com>
6277
6278         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
6279         temporary.  Use bit arithmetic to align.
6280
6281 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
6282
6283         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
6284         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
6285         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
6286         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
6287         add_labels_and_missing_jumps, find_jump_block,
6288         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
6289         Likewise.
6290         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
6291         link_btr_uses, move_btr_def): Likewise.
6292         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
6293         expand_builtin_expect_jump): Likewise.
6294         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
6295         * calls.c (expand_call, emit_library_call_value_1): Likewise.
6296         * cfganal.c (forwarder_block_p): Likewise.
6297         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
6298         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
6299         find_bb_boundaries): Likewise.
6300         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6301         merge_blocks_move_predecessor_nojumps,
6302         merge_blocks_move_successor_nojumps, insns_match_p,
6303         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6304         try_optimize_cfg): Likewise.
6305         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
6306         * cfglayout.c (skip_insns_after_block, label_for_bb,
6307         record_effective_endpoints, insn_locators_initialize,
6308         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
6309         * cfgmainloop.c (create_loop_notes): Likewise.
6310         * cfgrtl.c (delete_insn, delete_insn_chain,
6311         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
6312         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
6313         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
6314         redirect_branch_edge, force_nonfallthru_and_redirect,
6315         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
6316         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
6317         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
6318         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
6319         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
6320         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
6321         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
6322         * combine.c (combine_instructions, can_combine_p, try_combine,
6323         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
6324         distribute_notes, distribute_links, insn_cuid): Likewise.
6325         * cse.c (fold_rtx, cse_insn, cse_around_loop,
6326         invalidate_skipped_block, cse_set_around_loop,
6327         cse_end_of_basic_block, cse_main, cse_basic_block,
6328         cse_condition_code_reg): Likewise.
6329         * cselib.c (cselib_process_insn): Likewise.
6330         * ddg.c (create_ddg): Likewise.
6331         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
6332         Likewise.
6333         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
6334         gen_label_die, dwarf2out_var_location): Likewise.
6335         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
6336         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
6337         last_call_insn, active_insn_p, next_label, prev_label,
6338         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
6339         add_insn_before, remove_insn, add_function_usage_to,
6340         reorder_insns, find_line_note, remove_unnecessary_notes,
6341         emit_insn_after_1, classify_insn): Likewise.
6342         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
6343         connect_post_landing_pads, sjlj_mark_call_sites,
6344         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
6345         can_throw_internal, can_throw_external, set_nothrow_function_flags,
6346         convert_to_eh_region_ranges): Likewise.
6347         * explow.c (optimize_save_area_alloca): Likewise.
6348         * expr.c (expand_expr_real): Likewise.
6349         * final.c (insn_current_reference_address, compute_alignments,
6350         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
6351         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
6352         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
6353         propagate_block_delete_insn, propagate_one_insn,
6354         init_propagate_block_info, propagate_block, libcall_dead_p,
6355         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
6356         Likewise.
6357         * function.c (instantiate_virtual_regs, reorder_blocks_1,
6358         expand_function_start, expand_function_end, contains,
6359         thread_prologue_and_epilogue_insns,
6360         reposition_prologue_and_epilogue_notes): Likewise.
6361         * gcse.c (constprop_register, bypass_conditional_jumps,
6362         insert_insn_end_bb, gcse_after_reload): Likewise.
6363         * genemit.c (gen_expand, gen_split): Likewise.
6364         * genpeep.c (gen_peephole, main): Likewise.
6365         * global.c (build_insn_chain): Likewise.
6366         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
6367         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
6368         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
6369         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
6370         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
6371         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
6372         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
6373         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
6374         dead_or_predicable): Likewise.
6375         * integrate.c (try_constants): Likewise.
6376         * jump.c (rebuild_jump_labels, cleanup_barriers,
6377         purge_line_number_notes, init_label_info, mark_all_labels,
6378         squeeze_notes, get_label_before, get_label_after,
6379         reversed_comparison_code_parts, simplejump_p, pc_set,
6380         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
6381         delete_barrier, delete_prior_computation, delete_computation,
6382         delete_related_insns, delete_for_peephole, redirect_jump):
6383         Likewise.
6384         * lcm.c (optimize_mode_switching): Likewise.
6385         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
6386         Likewise.
6387         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
6388         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
6389         * loop-iv.c (simplify_using_assignment): Likewise.
6390         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
6391         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
6392         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
6393         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
6394         check_insn_for_givs, check_final_value, update_giv_derive,
6395         basic_induction_var, product_cheap_p, check_dbra_loop,
6396         loop_insn_first_p, last_use_this_basic_block,
6397         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
6398         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
6399         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
6400         sms_schedule_by_order): Likewise.
6401         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
6402         * postreload.c (reload_cse_simplify_operands, reload_combine,
6403         reload_cse_move2add): Likewise.
6404         * predict.c (can_predict_insn_p, estimate_probability,
6405         expected_value_to_br_prob, process_note_predictions): Likewise.
6406         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
6407         * profile.c (branch_prob): Likewise.
6408         * ra-build.c (live_out_1, livethrough_conflicts_bb,
6409         detect_webs_set_in_cond_jump): Likewise.
6410         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
6411         ra_print_rtl_with_bb): Likewise.
6412         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
6413         * recog.c (next_insn_tests_no_inequality, find_single_use,
6414         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
6415         * reg-stack.c (next_flags_user, record_label_references,
6416         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
6417         compensate_edge, convert_regs_1): Likewise.
6418         * regclass.c (scan_one_insn): Likewise.
6419         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6420         regmove_optimize, fixup_match_1, single_set_for_csa,
6421         combine_stack_adjustments_for_block): Likewise.
6422         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
6423         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
6424         find_equiv_reg): Likewise.
6425         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
6426         reload_as_needed, emit_input_reload_insns, do_output_reload,
6427         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
6428         Likewise.
6429         * reorg.c (find_end_label, emit_delay_sequence,
6430         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
6431         get_jump_flags, rare_destination, mostly_true_jump,
6432         try_merge_delay_insns, redundant_insn, own_thread_p,
6433         fill_simple_delay_slots, fill_slots_from_thread,
6434         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
6435         dbr_schedule): Likewise.
6436         * resource.c (find_basic_block, next_insn_no_annul,
6437         find_dead_or_set_registers, mark_target_live_regs): Likewise.
6438         * rtl.h (RTX_PREV): Likewise.
6439         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
6440         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
6441         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
6442         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
6443         tablejump_p, computed_jump_p, insns_safe_to_move_p,
6444         find_first_parameter_load, can_hoist_insn_p): Likewise.
6445         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
6446         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
6447         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
6448         schedule_ebbs): Likewise.
6449         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
6450         is_conditionally_protected, can_schedule_ready_p,
6451         add_branch_dependences, debug_dependencies): Likewise.
6452         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
6453         Likewise.
6454         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
6455         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
6456         set_dominates_use, ujump_to_loop_cont): Likewise.
6457         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
6458         * varasm.c (output_constant_pool_1): Likewise.
6459
6460 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6461
6462         * tree-scalar-evolution.c: New file.
6463         * tree-scalar-evolution.h: New file.
6464         * tree-ssa-loop-niter.c: New file.
6465         * Makefile.in (SCEV_H): New.
6466         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
6467         * cfgloop.h (struct loop): Add bounds field.
6468         * tree-flow.h (struct tree_niter_desc): New type.
6469         (number_of_iterations_cond, number_of_iterations_exit,
6470         loop_niter_by_eval, find_loop_niter_by_eval,
6471         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
6472         free_numbers_of_iterations_estimates): Declare.
6473         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
6474         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
6475         * doc/invoke.texi (max-iterations-to-track): Document.
6476
6477 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
6478
6479         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
6480         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
6481         (MODE_AFTER): Add cast appropriately.
6482         * config/sh/sh.md (movdi splitter): Likewise.
6483         (casesi_worker_2): Add const qualifier appropriately.
6484         (eh_return): Remove unused variable.
6485         (insv): Initialize v;
6486
6487 2004-07-08  Richard Henderson  <rth@redhat.com>
6488
6489         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
6490         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6491         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
6492         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
6493         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
6494
6495         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
6496         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6497         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
6498         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
6499
6500         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
6501         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6502         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
6503         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
6504
6505         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
6506         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6507         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
6508         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
6509
6510         * config/i860/i860-protos.h (i860_va_arg): Remove.
6511         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6512         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
6513         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
6514
6515 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
6516
6517         * system.h: Prototype getpagesize if missing.
6518         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
6519         * configure: Regenerate.
6520         * config.in: Regenerate.
6521
6522 2004-07-08  Richard Henderson  <rth@redhat.com>
6523
6524         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
6525         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6526         (fr30_gimplify_va_arg_expr): New.
6527         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
6528         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
6529
6530 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
6531
6532         PR target/16414
6533         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
6534         of asm_noperands result.
6535
6536 2004-07-08  Richard Henderson  <rth@redhat.com>
6537
6538         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
6539         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6540         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
6541         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
6542
6543 2004-07-08  Richard Henderson  <rth@redhat.com>
6544
6545         * builtins.c (ind_gimplify_va_arg_expr): New.
6546         * tree.h (ind_gimplify_va_arg_expr): Declare.
6547         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
6548
6549 2004-07-08  Jan Beulich  <jbeulich@novell.com>
6550
6551         * expmed.c (extract_bit_field): Correct condition to use vec_extract
6552         patterns also on vector elements other than the first one.
6553         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
6554         break statements.
6555
6556 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
6557
6558         * config/rs6000/darwin-ldouble.c: Correct reference
6559         to the Linnainmaa paper.
6560
6561 2004-07-08  Richard Henderson  <rth@redhat.com>
6562
6563         * config/arc/arc-protos.h (arc_va_arg): Remove.
6564         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6565         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
6566         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
6567
6568         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
6569         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6570         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
6571         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
6572
6573 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6574
6575         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
6576
6577 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
6578
6579         * c-decl.c (static_ctors, static_dtors): Make static.
6580         (pop_file_scope): Call c_common_write_pch and
6581         cgraph_finalize_compilation_unit here.
6582         (build_cdtor): Moved here from c-objc-common.c; simplify.
6583         (c_write_global_declarations_1): Clarify comment.
6584         (c_write_global_declarations): Close the external scope before
6585         doing anything else.  Call build_cdtor, cgraph_optimize, and
6586         mudflap_finish_file here.
6587         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
6588         Clarify comment.
6589         * c-objc-common.c: No need to include cgraph.h.
6590         (build_cdtor): Moved to c-decl.c.
6591         (c_objc_common_finish_file): Delete.
6592         * c-tree.h: Update to match.
6593         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
6594         (generate_static_references): Set TREE_USED before calling finish_decl.
6595         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
6596         on the static_instances_decl.
6597
6598 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
6599
6600         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
6601         decls when there is only one input translation unit.
6602         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
6603         change of 2004-07-05; do not treat declarations with
6604         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
6605         * opts.c (cur_in_fname): Delete.
6606         * opts.h: Likewise.
6607         * tree.c: Revert changes of 2004-07-05; no special treatment
6608         for TRANSLATION_UNIT_DECLs.
6609         * Makefile.in (tree.o): Update dependencies.
6610
6611 2004-07-08  Roger Sayle  <roger@eyesopen.com>
6612
6613         * builtins.c (fold_builtin_strcpy): Merge functionality from
6614         simplify_builtin_strcpy.  Add additional len argument.  No longer
6615         static.  Remove function prototype.
6616         (fold_builtin_strncpy): Likewise integrate functionality from
6617         simplify_builtin_strncpy.  Add additional slen argument.  No
6618         longer static.  Remove function prototype.
6619         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
6620         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
6621         types of "ignore" and "unlocked" parameters to bool.
6622         (fold_builtin_1):  Add additional ignore argument.  Call renamed
6623         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
6624         builtins.  Update arguments to fold_builtin_strncpy and
6625         fold_builtin_strcpy.  Add function prototype.
6626         (fold_builtin): Add additional Boolean ignore argument to pass
6627         to fold_builtin_1.
6628         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
6629         and fold_builtin_strncpy instead of simplify_builtin_fputs,
6630         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
6631
6632         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
6633         simplify_builtin_strncpy): Delete function prototypes.
6634         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
6635         fold_builtin_strncpy): Add function prototypes here.
6636         (fold_builtin): Update function prototype with new "bool ignore".
6637
6638         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
6639         (ccp_fold_builtin):  Update call to fold_builtin.  Call
6640         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
6641         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
6642         simplify_builtin_strncpy respectively.
6643         * fold-const.c (fold): Update call to fold_builtin.
6644
6645 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
6646
6647         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
6648         to strcpy.
6649
6650         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
6651         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
6652         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
6653         * calls.c: Remove ifdefs of macros above.
6654         * functions.c: Likewise.
6655         * expr.c: Likewise.
6656
6657 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6658
6659         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
6660         (arch attribute): Delete.
6661         (current_function_calls_alloca attribute): Rename into calls_alloca.
6662         (calls_eh_return): New attribute.
6663         (leaf_function): Likewise.
6664         (length attribute): Fix formula for sibcalls.
6665         (return insn): Correctly compute the 'length' attribute.
6666         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
6667
6668 2004-07-08  Richard Henderson  <rth@redhat.com>
6669
6670         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
6671         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
6672         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
6673         * tree-eh.c (lower_eh_constructs_1): Likewise.
6674         * tree-sra.c (sra_walk_modify_expr): Likewise.
6675         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
6676         (eliminate_unnecessary_stmts): Likewise.
6677         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6678         * tree-tailcall.c (optimize_tail_call): Likewise.
6679         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
6680
6681 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6682             Jakub Jelinek  <jakub@redhat.com>
6683
6684         * config/i386/i386.c (override_options): Enable
6685         SSE prefetches with -mtune, as long as we are
6686         compiling for i686 or higher.  All i686 processors
6687         accept SSE prefetches as NOPS, some i586's don't.
6688
6689 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6690
6691         PR target/10567
6692         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
6693
6694 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
6695
6696         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
6697         the handling of clobbering ASM_EXPRs.
6698
6699 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6700
6701         PR target/16430
6702         * config/sparc/sparc.c (function_value): In 64-bit mode,
6703         return the aggregates larger than 16 bytes like unions.
6704
6705 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6706
6707         PR target/16199
6708         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
6709         'temp' is zero, generate new pseudos as needed and emit the
6710         sequence of insns in single-assignment form.  Resync comments
6711         with code.
6712         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
6713         function before reload.
6714
6715 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
6716
6717         * vec.c (vec_assert_fail): Remove duplicate 'function'.
6718
6719         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
6720
6721         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
6722         Allocation is signed.
6723         (VEC_reserve): Return flag, allocation is signed.
6724
6725 2004-07-08  Richard Henderson  <rth@redhat.com>
6726
6727         * tree-ssa-ccp.c (fold_stmt): Get type directly from
6728         OBJ_TYPE_REF_OBJECT.
6729
6730 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
6731             Neil Booth  <neil@daikokuya.co.uk>
6732
6733         PR c/2511
6734         PR c/3325
6735         * c-decl.c (finish_struct): Ensure bit-fields are given the
6736         correct type.
6737         * c-common.c (c_common_signed_or_unsigned_type): For C, require
6738         the precision to match as well as the mode.
6739         * expr.c (reduce_to_bit_field_precision): New function.
6740         (expand_expr_real_1): Reduce expressions of bit-field type to
6741         proper precision.
6742         * langhooks.h (reduce_bit_field_operations): New hook.
6743         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6744         Define.
6745         * c-lang.c, objc/objc-lang.c
6746         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
6747         * objc/objc-act.c (check_ivars): Convert types to bit-field types
6748         before checking.
6749         * tree.c (build_nonstandard_integer_type): New function.
6750         * tree.h (build_nonstandard_integer_type): New prototype.
6751         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
6752         conversions between integer and boolean types as useless.
6753
6754 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6755
6756         * c-common.c (c_common_nodes_and_builtins): Do not
6757         create __builtin_ptrdiff_t and __builtin_size_t.
6758
6759 2004-07-08  Andrew Pinski  <apinski@apple.com>
6760
6761         * Makefile.in (libbackend.o): Add -combine to the gcc
6762         command line.
6763
6764 2004-07-08  Nick Clifton  <nickc@redhat.com>
6765
6766         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
6767         Set to -Os.
6768
6769 2004-07-08  Richard Henderson  <rth@redhat.com>
6770
6771         * except.c (expand_eh_region_start, expand_eh_region_end,
6772         expand_eh_handler, expand_eh_region_end_cleanup,
6773         expand_start_all_catch, expand_start_catch, expand_end_catch,
6774         expand_end_all_catch, expand_eh_region_end_allowed,
6775         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
6776         expand_eh_region_end_fixup): Remove.
6777         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
6778         cleanups, outer_cleanups, label_chain, exception_region.
6779         (struct goto_fixup): Remove stack_level, cleanup_list_list.
6780         (struct label_chain): Remove.
6781         (struct stmt_status): Remove x_stack_block_stack.
6782         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
6783         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
6784         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
6785         end_cleanup_deferral, last_cleanup_this_contour,
6786         containing_blocks_have_cleanups_or_stack_level,
6787         any_pending_cleanups): Remove.
6788         (expand_null_return_1): Take no arguments.
6789         (expand_label, expand_naked_return, expand_return,
6790         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
6791         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
6792         expand_end_case_type): Don't use any of them.
6793         * calls.c (expand_call): Likewise.
6794         * dojump.c (do_jump): Likewise.
6795         * function.c (expand_function_end): Likewise.
6796         * expr.c (store_expr, expand_expr_real_1): Likewise.
6797         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
6798         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
6799         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
6800         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
6801         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
6802         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
6803         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
6804         for WITH_CLEANUP_EXPR.
6805         (gimple_push_cleanup): Likewise.
6806         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
6807         * print-tree.c (print_node): Likewise.
6808         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
6809         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
6810         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
6811         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
6812         (GOTO_SUBROUTINE_EXPR): Remove.
6813         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
6814         (DECL_TOO_LATE): Remove.
6815         * except.h, tree.h: Update decls.
6816
6817 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6818
6819         * explow.c (optimize_save_area_alloca): Do not accept parameters.
6820         * passes.c (rest_of_handle_final): Handle symout.
6821         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
6822         Push timevar here.
6823         (rest_of_handle_sched): Break out SMS.  Remove ifs for
6824         flag_schedule_insns and flag_modulo_sched.
6825         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
6826         collect at the end.
6827         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
6828         (rest_of_handle_partition_blocks, rest_of_handle_sms,
6829         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
6830         rest_of_handle_mode_switching, rest_of_handle_jump,
6831         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
6832         rest_of_handle_jump2, rest_of_handle_postreload,
6833         rest_of_handle_flow2, rest_of_clean_state,
6834         rest_of_handle_shorten_branches,
6835         rest_of_handle_prologue_epilogue,
6836         rest_of_handle_branch_target_load_optimize): New.
6837         (rest_of_compilation): Call the above.  Remove ggc_collect
6838         calls moved to rest_of_handle_*.
6839         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
6840
6841         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
6842         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
6843         * except.h (set_nothrow_function_flags): Update comment.
6844         * function.c (current_function_nothrow): Remove.
6845         * output.h (current_function_nothrow): Remove.
6846         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
6847         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
6848
6849 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6850
6851         PR bootstrap/16326
6852         * reorg.c: Revert 2004-06-30 change.
6853         (find_end_label): If HAVE_epilogue and !HAVE_return,
6854         return 0 instead of creating a label at the end of the insn chain.
6855         (optimize_skip): Account for the failure mode of find_end_label.
6856         (fill_simple_delay_slots): Likewise.
6857         (fill_slots_from_thread): Likewise.
6858         (relax_delay_slots): Likewise.
6859
6860 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
6861
6862         * tree-flow.h (addressable_vars): Declare.
6863         * tree-ssa-alias.c (addressable_vars): Define.
6864         (setup_pointers_and_addressables): Add addressable variables
6865         to addressable_vars.
6866         * tree-ssa-operands.c (get_stmt_operands): Move
6867         handling of ASM_EXPRs ...
6868         (get_asm_expr_operands): ... here.
6869         When the ASM_EXPR clobbers memory, also clobber addressable
6870         variables.
6871         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
6872         (delete_tree_ssa): Reset addressable_vars.
6873
6874 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6875             Richard Henderson  <rth@redhat.com>
6876
6877         * varasm.c (assemble_variable): Use assemble_zeros for
6878         zero-initialized variables.
6879         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
6880         for SECCAT_BSS and SECCAT_TBSS.
6881
6882 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6883
6884         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
6885
6886         * expmed.c (emit_store_flag): Also special-case double-word
6887         (in-)equality comparison against -1.
6888
6889         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
6890         passing arguments the containers for which are registers.
6891
6892         * calls.c (emit_library_call_value_1): Use mode of function parameter
6893         rather than that of argument since constants have none.
6894
6895 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
6896
6897         Introduce H8SX support.
6898         * expr.c (expand_strcpy): Renamed and moved to...
6899         * builtins.c (expand_movstr): ... here.  Tweak.
6900         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
6901         computed or has side effects.
6902         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
6903         unused, or if mempcpy fails.  Adjust the return value in the
6904         latter case.  Use movstr if everything else fails.
6905         * doc/md.texi (movstr): Document.
6906         (movmemM, clrmemM): Fix explanation of memory block operands.
6907         * config/h8300/h8300.md (stpcpy): Renamed to...
6908         (movstr): ... this.  Adjust.
6909         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6910         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
6911         movmem* and clrstr* to clrmem*.
6912         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
6913         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
6914         GENERAL_REGS, always.
6915         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
6916         getting the stack pointer as addr.
6917         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
6918         from general_operand_dst.
6919         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
6920         variant of...
6921         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
6922         instead of requiring it to match only before reload.
6923         (stpcpy_internal_normal): New, normal-mode variant of...
6924         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
6925         `D' instead of requiring it to match only before reload.
6926         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
6927         mode argument.
6928         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
6929         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
6930         h8300_get_index.
6931         * config/h8300/h8300.md (attr type): Add call.
6932         (attr can_delay): If type is call, set it no.
6933         (call, call_value): Set type to call.
6934         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
6935         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
6936         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
6937         * tree.c (get_narrower): Don't narrow integral types into
6938         non-integral types.
6939         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
6940         frame_size *before* the first use.
6941         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
6942         on input.
6943         (peephole2): Don't widen instructions that push SP.  Move
6944         decrement of SP to the end of all stm-generating peepholes.
6945         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6946         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
6947         and OR to set it to all ones.
6948         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6949         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
6950         (call, call_value): Set can_delay to "no".
6951         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
6952         * config/h8300/h8300.md (extzv): Make subreg check more robust.
6953         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6954         * config/h8300/h8300.md (*brabit): Remove.
6955         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
6956         zero_extract.  Use bit_memory_operand as the predicate for
6957         operand 1 and 'WU' as the constraint.  Check the difference
6958         between the base length and the final one when deciding which
6959         type of branch to use.
6960         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6961         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
6962         Use convert_move to extend the result for TARGET_H8300SX.  Check
6963         for QImode memory references.  Optimize the case where the
6964         destination is a paradoxical subreg.
6965         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6966         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
6967         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
6968         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6969         * config/h8300/h8300.md: Include mova.md
6970         (length_table): Add mova and mova_zero.
6971         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
6972         after all constant addresses for '%R', '%X', '%T' and '%S'.
6973         (h8300_mova_length): New function.
6974         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
6975         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
6976         dependencies for s-config, etc.
6977         * config/h8300/gemova.sh: New file.
6978         * config/h8300/mova.md: Generated.
6979         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
6980         * config/h8300/h8300.c (h8300_bitfield_length): New.
6981         (nibble_operand): Adjust.
6982         (h8300_binary_length): Handle conditional binary op.
6983         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
6984         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
6985         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
6986         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
6987         constraints.  WU is introduced as a variant of U that requires a
6988         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
6989         * config/h8300/h8300.md (attr type): Added bitbranch.
6990         (attr length_table): Added bitfield and bitbranch.
6991         (attr length): Compute bitbranch length.
6992         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
6993         least-significant bit of a byte.
6994         (brabit, brabc, brabs): New.
6995         (insv, extzv): Emit bfst and bfld on H8300SX.
6996         (bfld, bfst, seq, sne): New.
6997         (bstzhireg, cmpstz, bstz, bistz): New.
6998         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
6999         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
7000         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
7001         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
7002         (h8sx_unary_memory_operator): New function.
7003         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
7004         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
7005         * config/h8300/h8300.md: Add peepholes to combine reloads and
7006         arithmetic insns.
7007         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
7008         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
7009         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
7010         (and?i, ior?i, xor?i): Likewise.
7011         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
7012         * config/h8300/h8300.c: Move enums and prototypes to head of file.
7013         Various whitespace fixes.
7014         (h8300_constant_length): New function, split out from...
7015         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
7016         (h8300_classify_operand): Use IN_RANGE.
7017         (h8300_classify_operand): Use h8300_constant_length.
7018         (h8300_short_move_mem_p): Tighten size check.
7019         (h8sx_mergeable_memrefs_p): Tighten equality check.
7020         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
7021         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
7022         for -msx.
7023         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
7024         * config/h8300/crtn.asm: Likewise.
7025         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
7026         if __H8300SX__ is defined.
7027         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
7028         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
7029         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
7030         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
7031         addresses as mode-dependent.
7032         * config/h8300/h8300.c (print_operand_address): Update call to
7033         h8300_get_index.
7034         (h8300_get_index): Take a mode argument.  Rework to fix an
7035         earlier misunderstanding.
7036         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
7037         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
7038         into a register if TARGET_H8300SX.
7039         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
7040         TARGET_H8300SX.  Also disable related define_splits.
7041         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
7042         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
7043         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
7044         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
7045         * config/h8300/h8300.h (OK_FOR_Z): New macro.
7046         (EXTRA_CONSTRAINT_STR): Check it.
7047         * config/h8300/h8300.c (h8300_classify_operand): Accept null
7048         class arguments.
7049         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
7050         * config/h8300/h8300.md (length_table): Add mov_imm4.
7051         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
7052         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
7053         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
7054         be a label.
7055         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
7056         * config/h8300/h8300.c (h8300_reorg): New function.
7057         (TARGET_MACHINE_DEPENDENT_REORG): Define.
7058         * config/h8300/h8300.md (length): Subtract the length of the
7059         delay slot from (pc) when checking the range of forward branches.
7060         (delay_slot, can_delay): New attributes.
7061         (define_delay): Add bra/s handling.
7062         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
7063         (jump): Add delayed-branch handling.
7064         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
7065         * expr.c (expand_strcpy): New function.
7066         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
7067         (expand_builtin_stpcpy): Likewise.
7068         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
7069         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
7070         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
7071         handling to improve register allocation for -fno-omit-frame-pointer.
7072         (h8sx_split_movmd): Delete, moving er6 handling into...
7073         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
7074         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
7075         (movmd): Add calls to copy_rtx.
7076         (movmd_internal): In the second alternative, allow the initial and
7077         final destination registers to be different .  Update the splitter
7078         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
7079         instead of h8sx_split_movmd.
7080         (stpcpy, movsd): New expanders.
7081         (movsd_internal): New define_insn.
7082         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
7083         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
7084         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
7085         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
7086         and DESTINATION_REGS.
7087         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
7088         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
7089         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
7090         (h8300_move_ratio): Declare.
7091         (MOVE_RATIO): Use it.
7092         * config/h8300/h8300.c (h8300_move_ratio): New variable.
7093         (h8300_init_once): Initialize it.
7094         (h8300_reg_class_from_letter): New function.
7095         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
7096         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
7097         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
7098         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
7099         (movstrsi, movmd): New expanders.
7100         (movmd_internal): New insn.
7101         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
7102         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
7103         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
7104         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
7105         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
7106         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7107         * config/h8300/h8300.c (nibble_operand): Fix warning.
7108         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
7109         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
7110         (movsf_h8300h): Disable for TARGET_H8300SX.
7111         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7112         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
7113         h8300_stm_parallel and h8300_return_parallel.
7114         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
7115         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
7116         h8300_stm_parallel, h8300_return_parallel): New functions.
7117         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
7118         if TARGET_H8300SX.  Use h8300_push_pop.
7119         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
7120         and final pop when generating h8sx code.  Always emit some form
7121         of return insn.
7122         * config/h8300/h8300.md: Don't enforce register alignment in
7123         stm peepholes if TARGET_H8300SX.
7124         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
7125         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
7126         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
7127         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7128         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
7129         (MULTILIB_DIRNAMES): Add a directory for it.
7130         (MULTILIB_MATCHES): Delete.
7131         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
7132         * final.c (walk_alter_subreg): Handle addresses with subregs
7133         inside a ZERO_EXTEND or AND.
7134         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
7135         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
7136         if TARGET_H8300SX.
7137         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
7138         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
7139         @(dd,Rn.w) and @(dd,ERn.L).
7140         (h8300_displacement_size): Take the whole address as argument.
7141         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
7142         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
7143         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
7144         (h8sx_mergeable_memrefs_p): Declare.
7145         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
7146         (HAVE_PRE_INCREMENT): Likewise.
7147         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
7148         addresses for TARGET_H8300SX,
7149         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
7150         and POST_DEC.
7151         (movb_length_table, movl_length_table): New tables.
7152         (movw_length_table): Define to movb_length_table.
7153         (h8300_displacement_size): New, split out from...
7154         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
7155         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
7156         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
7157         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
7158         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
7159         (compute_plussi_length, compute_plussi_cc): Update accordingly.
7160         (h8sx_unary_shift_operator): Get the mode from the operator.
7161         (binary_shift_operator): Likewise.
7162         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
7163         a memory reference, check whether the reference is offsettable.
7164         (length_table): Add movb, movw and movl.
7165         (movqi): Add new h8sx pattern.  Don't force one operand to be a
7166         register when generating h8sx code.
7167         (movhi, movsi, movsf): Likewise.
7168         (movstrictqi): Use the length_table attribute.
7169         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
7170         (addqi3): Split into a define_expand and define_insn.  Don't accept
7171         memory operands in the expander.  Use h8300_operands_match_p to
7172         check for matching operands in the define_insn.
7173         (subqi3, negqi2, one_cmplqi2): Likewise.
7174         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
7175         in any patterns that are unused in h8sx code.  In the h8sx patterns,
7176         use h8300_operands_match_p to check whether operands match.
7177         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
7178         one_cmpl[hs]i3): Likewise.
7179         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
7180         in the expander.
7181         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
7182         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
7183         (h8300_insn_length_from_table): Add a second parameter.
7184         (output_h8sx_shift): Declare.
7185         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
7186         (EXTRA_CONSTRAINT): Replace with...
7187         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
7188         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
7189         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
7190         and h8sx_binary_shift_operator.
7191         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
7192         for TARGET_H8300SX.
7193         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
7194         (bit_memory_operand, fix_bit_operand): Likewise.
7195         (h8300_length_table_for_insn): Remove.
7196         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
7197         instructions.
7198         (h8300_short_immediate_length, h8300_binary_length): New functions.
7199         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
7200         (output_plussi): Use sub to add negative constants.
7201         (compute_plussi_length): Adjust accordingly.
7202         (h8sx_single_shift_type): New enum.
7203         (h8sx_single_shift, h8sx_unary_shift_operator,
7204         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
7205         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
7206         single h8sx instruction.  Return false in this case.
7207         * config/h8300/h8300.md (length_table): Add short_immediate.
7208         (length): Pass the operand array to h8300_insn_length_from_table.
7209         (adjust_length): Assume "no" for insns with a length_table attribute.
7210         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
7211         (*addhi3_h8300hs): Don't use for h8sx.
7212         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
7213         and sub.w #xx:3.
7214         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
7215         1's predicate to nonimmediate_operand.  Only skip default expansion
7216         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
7217         for single h8sx shift instructions.
7218         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
7219         * config/h8300/h8300.c (nibble_operand): Split out of...
7220         (reg_or_nibble_operand): ... this.
7221         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
7222         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
7223         umulhisi3): Introduce expand, and introduce separate insns for
7224         sign- or zero-extended REG and already-extended CONST_INT.
7225         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
7226         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
7227         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
7228         (subhi3): Likewise.  Don't accept immediates for operand 1.
7229         Remove the early clobber from second alternative of the h8300s pattern.
7230         (subsi3): Generalize for h8sx.  Force operand 2 into a register
7231         on plain h8300 targets.
7232         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
7233         (subsi3_h8300h): Generalize for h8sx.
7234         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
7235         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
7236         * config/h8300/h8300.c (reg_or_nibble_operand): New.
7237         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
7238         (TARGET_H8300SXMUL): New.
7239         (CONST_OK_FOR_P): New.
7240         (CONST_OK_FOR_LETTER_P): Adjust.
7241         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
7242         umulhisi3): Accept 4-bit immediate on H8SX.
7243         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
7244         (udivsi3, divhi3, udivsi3, divsi3): New.
7245         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
7246         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
7247         * config/h8300/h8300.h (OK_FOR_Q): New macro.
7248         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
7249         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
7250         Add ADDRESSOF to the bit_operand entry.
7251         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
7252         (h8300_src_operand): Likewise.
7253         (bit_operand): Check nonimmediate_operand rather than general_operand.
7254         Accept any nonimmediate_operand in h8sx code.
7255         (h8300_and_costs): Initialize operands[1].
7256         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
7257         (h8300_operand_class): New enum.
7258         (h8300_length_table): New typedef.
7259         (addb_length_table, addw_length_table, addl_length_table,
7260         logicl_length_table): New tables.
7261         (logicb_length_table, logicw_length_table): New macros.
7262         (h8300_classify_operand, h8300_length_from_table,
7263         h8300_length_table_for_insn, h8300_unary_length,
7264         h8300_insn_length_from_table): New functions.
7265         (output_plussi): Only use adds and subs for register destinations.
7266         Disable redundant clause.
7267         (compute_plussi_cc): Likewise.
7268         (compute_plussi_length): Likewise.  Use h8300_length_from_table
7269         to work out the length of an insn.
7270         (output_logical_op): Only use narrower immediate instructions
7271         if the destination is a register.
7272         (compute_logical_op_cc): Likewise.
7273         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
7274         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
7275         * config/h8300/h8300.md (length_table): New attribute.
7276         (length): When an instruction has a length_table attribute, use
7277         h8300_insn_length_from_table to calculate its default length.
7278         (cmpqi): Use h8300_dst_operand for the first operand and
7279         h8300_src_operand for the second.
7280         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
7281         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
7282         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
7283         iorsi3, xorhi3, xorsi3): Likewise.
7284         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
7285         so that it allows any combination of operands for TARGET_H8300SX.
7286         (iorqi3, xorqi3): Likewise.
7287         (cmpqi): Use the length_table attribute.
7288         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
7289         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
7290         (cmpqi): Add 'Q' constraint.
7291         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
7292         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
7293         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
7294         * config/h8300/h8300.h (MASK_H8300SX): New macro.
7295         (TARGET_H8300S): True for both -ms and -msx.
7296         (TARGET_H8300SX): New macro.
7297         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
7298         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
7299         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
7300         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
7301         [Temporary change.]
7302         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
7303         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
7304         16-bit pointers and 32-bit ints.
7305         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
7306         CONST_DOUBLE with mode no wider than SImode.
7307         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
7308         output operand.
7309         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
7310         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
7311         or SUBREG thereof.
7312         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
7313         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
7314         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
7315
7316 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
7317
7318         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
7319
7320 2004-07-07  Per Bothner  <per@bothner.com>
7321
7322         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
7323
7324 2004-07-07  Mike Stump  <mrs@apple.com>
7325
7326         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
7327         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
7328         (machopic_finish): Likewise.
7329
7330 2004-07-07  Richard Henderson  <rth@redhat.com>
7331
7332         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
7333         through any value-preserving cast.
7334
7335 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
7336
7337         * function.c (assign_parm_find_data_types): Call
7338         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
7339
7340 2004-07-07  Steven Bosscher  <stevenb@suse.de>
7341
7342         * tree-cfg.c (group_case_labels): Remove case labels that have
7343         the same target as the default case.
7344
7345 2004-07-07  Steven Bosscher  <stevenb@suse.de>
7346
7347         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
7348         regardless of DECL_LANG_SPECIFIC being present or not.
7349         * tree.h (DECL_NUM_STMTS): Purge.
7350
7351 2004-07-07  Andrew Pinski  <apinski@apple.com>
7352
7353         * configure: Regenerate with the right autoconf.
7354
7355 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
7356
7357         * ifcvt.c (total_bb_rtx_cost): New function.
7358         (find_if_case_1): Compare rtx_cost of basic block to cost of
7359         BRANCH_COST insns.
7360         (find_if_case_2): Same.
7361
7362 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7363
7364         PR target/10567
7365         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
7366         (output_return): Likewise.
7367         (output_sibcall): Abort if !flag_delayed_branch.
7368         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
7369         (emit_and_preserve): New function.
7370         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
7371         indirect jump to the thunked-to function if !flag_delayed_branch.
7372         * config/sparc/sparc.md (delayed_branch): New attribute.
7373         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
7374         attribute to compute the length of the insn.
7375         (goto_handler_and_restore): Likewise.
7376
7377 2004-07-07  Andrew Pinski  <apinski@apple.com>
7378
7379         PR tree-optimization/15777
7380         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
7381
7382         * expr.c (expand_expr_real_1): Fix formating.
7383         BUFFER_REF and IN_EXPR are dead.
7384         * fold-const.c (non_lvalue): BUFFER_REF is dead.
7385         * tree-inline.c (estimate_num_insns_1): Likewise.
7386         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
7387         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
7388         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
7389
7390 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
7391
7392         * collect2.c (dump_file): Don't call cplus_demangle if
7393         HAVE_LD_DEMANGLE is defined.
7394         (main): Pass "--demangle" to ld if no_demangle is not 0 and
7395         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
7396         if HAVE_LD_DEMANGLE is defined.
7397
7398         * configure.ac (--with-demangler-in-ld): Added
7399         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
7400         --with-demangler-in-ld is used.
7401         * config.in: Regenerated.
7402         * configure: Likewise.
7403
7404 2004-07-07  Roger Sayle  <roger@eyesopen.com>
7405
7406         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
7407         for simple floating point operations "fp", double precision
7408         multiplication "dmul", and single and double precision division
7409         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
7410         (ppc630_cost): New table split from ppc620_cost, to distinguish
7411         differences in floating point latencies.
7412         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
7413         (rs6000_rtx_costs): Add support for single and double precision
7414         floating point addition, subtraction, multiplication, division,
7415         fused-multiply-add, fused-multiply-sub, negation, absolute value
7416         and negative absolute value.  Tweak MEM case to use prefered idiom.
7417
7418 2004-07-07  Richard Henderson  <rth@redhat.com>
7419
7420         * tree-flow-inline.h (may_propagate_copy): Move...
7421         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
7422         attempt to copy between types requiring conversion.
7423         * tree-flow.h (may_propagate_copy): Update decl.
7424         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
7425
7426 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
7427
7428         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
7429         from -mtune= option.
7430
7431 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
7432
7433         * builtins.c: Rename movstr*, except for movstrict*, to
7434         movmem* and clrstr* to clrmem*.
7435         * expr.c: Likewise.
7436         * expr.h: Likewise.
7437         * genopinit.c: Likewise.
7438         * integrate.c: Likewise.
7439         * local-alloc.c: Likewise.
7440         * optabs.c: Likewise.
7441         * optabs.h: Likewise.
7442         * config/alpha/alpha.h: Likewise.
7443         * config/alpha/alpha.md: Likewise.
7444         * config/arm/arm-protos.h: Likewise.
7445         * config/arm/arm.c: Likewise.
7446         * config/arm/arm.md: Likewise.
7447         * config/avr/avr.md: Likewise.
7448         * config/c4x/c4x.c: Likewise.
7449         * config/c4x/c4x.md: Likewise.
7450         * config/frv/frv.md: Likewise.
7451         * config/i386/i386-protos.h: Likewise.
7452         * config/i386/i386.c: Likewise.
7453         * config/i386/i386.h: Likewise.
7454         * config/i386/i386.md: Likewise.
7455         * config/i860/i860.c: Likewise.
7456         * config/i860/i860.md: Likewise.
7457         * config/ip2k/ip2k.md: Likewise.
7458         * config/ip2k/libgcc.S: Likewise.
7459         * config/ip2k/t-ip2k: Likewise.
7460         * config/m32r/m32r.c: Likewise.
7461         * config/m32r/m32r.md: Likewise.
7462         * config/mcore/mcore.md: Likewise.
7463         * config/mips/mips.c: Likewise.
7464         * config/mips/mips.md: Likewise.
7465         * config/ns32k/ns32k.c: Likewise.
7466         * config/ns32k/ns32k.h: Likewise.
7467         * config/ns32k/ns32k.md: Likewise.
7468         * config/pa/pa.c: Likewise.
7469         * config/pa/pa.md: Likewise.
7470         * config/pdp11/pdp11.h: Likewise.
7471         * config/pdp11/pdp11.md: Likewise.
7472         * config/rs6000/rs6000.c: Likewise.
7473         * config/rs6000/rs6000.md: Likewise.
7474         * config/s390/s390-protos.h: Likewise.
7475         * config/s390/s390.c: Likewise.
7476         * config/s390/s390.md: Likewise.
7477         * config/sh/lib1funcs.asm: Likewise.
7478         * config/sh/sh.c: Likewise.
7479         * config/sh/sh.md: Likewise.
7480         * config/sh/t-sh: Likewise.
7481         * config/sparc/sparc.h: Likewise.
7482         * config/vax/vax.md: Likewise.
7483         * config/xtensa/xtensa.c: Likewise.
7484         * config/xtensa/xtensa.md: Likewise.
7485         * doc/invoke.texi: Likewise.
7486         * doc/md.texi: Likewise.
7487         * doc/rtl.texi: Likewise.
7488
7489 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
7490
7491         PR target/16407
7492         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
7493         * config/mips/mips.c (mips_declare_common_object): New function,
7494         mostly split out from...
7495         (mips_output_aligned_decl_common): ...here.
7496         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
7497         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
7498         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
7499         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
7500
7501 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7502
7503         PR c/16392
7504         * function.c (assign_parms): Fix typo from previous change.
7505
7506 2004-07-07  Jason Merrill  <jason@redhat.com>
7507
7508         PR c++/15815
7509         * doc/extend.texi (C++ Interface): Correct information and
7510         discourage use.
7511
7512 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
7513
7514         PR target/16130
7515         PR target/16142
7516         PR target/16143
7517         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
7518         insn.
7519
7520 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7521
7522         PR target/1679.
7523         * config/m32r/m32r.c (m32r_function_symbol): New function:
7524         Generate a symbol name RTX with the correct m32r specific flags
7525         set.
7526         (block_move_call): Use new function to generate correct symbol.
7527         * config/m32r/m32r-protos.h: Add prototype for new funcion.
7528         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
7529         function.
7530
7531 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7532
7533         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
7534         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
7535         TYPE_BINFO_BASETYPE): Remove.
7536         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
7537         to ...
7538         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
7539         here.
7540         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
7541         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
7542         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
7543         (struct tree_binfo): Rename base_types to base_binfos.
7544         * alias.c (record_component_aliases): Adjust BINFO macros.
7545         * dbxout.c (dbxout_type): Likewise.
7546         * dwarf2out.c (gen_member_die): Likewise.
7547         * sdbout.c (sdbout_one_type): Likewise.
7548         * tree-dump.c (deque_and_dump): Likewise.
7549         * config/i386/i386.c (classify_argument,
7550         contains_128bit_aligned_vector_p): Likewise.
7551
7552 2004-07-07  Nick Clifton  <nickc@redhat.com>
7553
7554         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
7555         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
7556
7557 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7558
7559         * vec.h: Fix the example use.
7560
7561 2004-07-06  Richard Henderson  <rth@redhat.com>
7562
7563         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
7564         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
7565         * tree-inline.c (copy_body_r, setup_one_parameter,
7566         initialize_inlined_parameters, expand_call_inline,
7567         declare_inline_vars): Don't check it.
7568         (expand_calls_inline): Remove old version, rename new version
7569         from gimple_expand_calls_inline.
7570         * tree-optimize.c (execute_gimple): Remove.
7571         (pass_gimple): Don't run anything.
7572
7573 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
7574
7575         * doc/sourcebuild.texi: Use semicolons instead of commas in
7576         section title.
7577
7578 2004-07-06  Richard Henderson  <rth@redhat.com>
7579
7580         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
7581         (sra_walk_modify_expr, scan_init): Likewise.
7582         (generate_element_zero): Check visited before scanning children.
7583         (generate_element_init): Set visited on error.
7584         (scalarize_init): Handle generate_element_init failure similar
7585         to use_block_copy.
7586
7587 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
7588
7589         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
7590         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
7591
7592 2004-07-06  Richard Henderson  <rth@redhat.com>
7593
7594         * config/i386/i386.c (legitimize_pic_address): Make static.
7595         (legitimize_address): Handle CONST with TLS operand.
7596         (ix86_expand_move): Don't call legitimize_pic_address directly.
7597         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
7598
7599 2004-07-06  Roger Sayle  <roger@eyesopen.com>
7600
7601         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
7602         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
7603         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
7604         is currently executed unconditionally, i.e. not in "else_bb".
7605
7606 2004-07-06  Steven Bosscher  <stevenb@suse.de>
7607
7608         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
7609         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7610         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
7611         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7612         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
7613         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7614         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
7615         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7616         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
7617         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7618         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
7619         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7620         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
7621         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7622         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
7623         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7624
7625 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
7626
7627         * dojump.c (do_jump): REFERENCE_EXPR is dead.
7628         * expr.c (expand_expr_real_1): Ditto.
7629         * tree-inline.c (estimate_num_insns_1): Ditto.
7630         * tree-pretty-print.c (dump_generic_node): Ditto.
7631         (op_symbol): Ditto.
7632         * tree.def: Ditto.
7633
7634 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
7635
7636         * tree-ssa-pre.c (reference_node_pool): New pool.
7637         (find_or_generate_expression): Class 'r' is okay too.
7638         (create_value_expr_from): Ditto.
7639         (add_to_sets): LHS should not include vuses.
7640         (eliminate): Ditto.
7641         (compute_avail): Reverse ordering of tests.
7642         Valuize INDIRECT_REF as well.
7643
7644 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
7645
7646         PR rtl-optimization/16380
7647         * loop.c (check_dbra_loop): Sink comparison instructions if they
7648         do something other than set cc0.
7649
7650 2004-07-06  James E Wilson  <wilson@specifixinc.com>
7651
7652         * doc/interface.texi (longjmp and automatic variables): Delete
7653         paragraph recommending taking the address of a variable.
7654
7655 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
7656
7657         * vec.h (VEC_embedded_alloc): Remove.
7658         (VEC_embedded_size, VEC_embedded_init): New.
7659         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
7660         MEM_STAT_INFO.
7661         (VEC_truncate): New.
7662         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
7663         (vec_embedded_alloc): Remove.
7664         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
7665         (vec_embedded_alloc): Remove.
7666
7667 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
7668
7669         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
7670         (gt-langhooks.h): Remove.
7671
7672 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
7673
7674         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
7675
7676 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7677
7678         * config/sparc/sparc.c (get_pc_symbol): Rename into
7679         add_pc_to_pic_symbol.
7680         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
7681         (load_pic_register): Account for previous changes.
7682         Use reg_names.  Don't create the label twice.
7683         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
7684         UNSPEC_LOAD_PCREL_SYM.
7685         (get_pc): Rename into load_pcrel_sym.  Add predicate to
7686         operands.  Remove condition.
7687
7688 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
7689
7690         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
7691         RECORD, UNION & QUAL_UNION is actually a binfo.
7692
7693         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
7694         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
7695         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
7696         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
7697         * dwarf2out.c (add_data_member_location_attribute): Likewise.
7698         (gen_inheritance_die): Likewise.
7699         * tree-dump.c (deque_and_dump): Likewise.
7700         * doc/c-tree.texi (Binfos): Add under reconstruction note.
7701
7702 2004-07-06  Steven Bosscher  <stevenb@suse.de>
7703
7704         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
7705         Define.
7706         * config/mcore/mcore.md: Model memory latency with a simple DFA
7707         pipeline description instead of a define_function_unit.
7708
7709 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7710
7711         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
7712         * langhooks.h (var_mod_type_p): Likewise.
7713         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
7714         * expr.c (count_type_elements): Properly handle return from
7715         array_type_nelts and properly test for overflow.
7716         * gimplify.c (gimplify_init_constructor): Properly handle return
7717         from array_type_nelts.
7718         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
7719         * integrate.c (copy_decl_for_inlining): Correct comments.
7720         * tree-inline.c (remap_decl): Update comments, remove dead code,
7721         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
7722         (remap_type): Only remap if variably modified by vars in function
7723         being inlined.
7724         (copy_body_r): Use compatible_type langhooks to see when can fold.
7725         (setup_one_parameter): Don't remap type.
7726         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
7727         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
7728         compute TREE_INVARIANT for decl case.
7729         (find_var_from_fn): New function.
7730         (variably_modified_type_p): Add arg and call new function.
7731         * tree.h (variably_modified_type_p): Add extra arg.
7732
7733 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7734
7735         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
7736         (goto_handler_and_restore_v9): Delete disabled insn.
7737         (goto_handler_and_restore_v9_sp64): Likewise.
7738
7739 2004-07-05  Roger Sayle  <roger@eyesopen.com>
7740
7741         * calls.c (load_register_parameters): Call expand_shift instead
7742         of expand_binop with ashl_optab (or other shift optab) directly.
7743         * expr.c (emit_group_load, emit_group_store): Likewise.
7744         * function.c (assign_parm_setup_block): Likewise.
7745         * stmt.c (shift_return_value): Likewise.
7746
7747 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
7748
7749         * expr.c (expand_assignment): Disable the bitfield += optimizations.
7750
7751 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7752
7753         * doc/sourcebuild.texi: Revert previous patch.
7754
7755 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7756
7757         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
7758         TARGET_MEM_FUNCTIONS.
7759         * system.h: Poison TARGET_MEM_FUNCTIONS.
7760         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
7761         bcmp_libfunc, bzero_libfunc): Remove.
7762         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
7763         bzero_libfunc.
7764         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
7765         * doc/standards.texi: Don't mention calling BSD string functions.
7766         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
7767         * config/vax/t-memfuncs: New.
7768         * config/memcmp.c, config/memcpy.c, config/memmove.c,
7769         config/memset.c: New.
7770         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
7771         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
7772         vax/t-memfuncs.
7773         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
7774         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
7775         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
7776         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
7777         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
7778         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
7779         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
7780         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
7781         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
7782         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
7783
7784 2004-07-05  Richard Henderson  <rth@redhat.com>
7785
7786         * function.c (assign_parm_setup_reg): Properly rename variables in
7787         FUNCTION_ARG_CALLEE_COPIES section.
7788
7789 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
7790
7791         * tree-mudflap.c: Include cgraph.h.
7792         (mf_init_extern_trees): Rename to mudflap_init.  Export.
7793         Rewrite to create synthetic declarations instead of looking
7794         up declarations from mf-runtime.h.
7795         (mf_make_builtin, mf_make_cache_struct_type): New functions.
7796         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
7797         Correct commentary.
7798         (execute_mudflap_function_decls, mudflap_register_call):
7799         Don't call mf_init_extern_trees.
7800         (mudflap_finish_file): Use cgraph_build_static_cdtor.
7801
7802         * tree-mudflap.h: Update prototypes.
7803         * c-mudflap.c: Delete file.
7804         * c-common.c: Include tree-mudflap.h.
7805         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
7806         * Makefile.in: Remove all references to c-mudflap.o.
7807         Update dependencies.
7808
7809 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7810
7811         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
7812         displacements with the spatial-locality cache-control completer.
7813
7814 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
7815
7816         * langhooks.c: Don't include gt-langhooks.h.
7817         (var_labelno): Delete.
7818         (lhd_set_decl_assembler_name): Do not append a distinguishing
7819         number to file-scope internal-linkage declarations for the first
7820         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
7821         the declaration itself (if at block scope), or its containing
7822         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
7823         number.
7824
7825         * opts.c (cur_in_fname): New global.
7826         * opts.h: Declare it.
7827         * tree.c: Include opts.h.
7828         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
7829         DECL_UID equal to cur_in_fname.
7830         (copy_node_stat): Do not change DECL_UID when copying a
7831         TRANSLATION_UNIT_DECL.
7832         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
7833         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
7834
7835         * c-decl.c (c_static_assembler_name): Delete.
7836         * c-tree.h (c_static_assembler_name): Delete prototype.
7837         * c-lang.c, objc/objc-lang.c: Don't override
7838         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
7839
7840         * Makefile.in (tree.o): Update dependencies.
7841         (GTFILES): Remove langhooks.c.
7842
7843 2004-07-05  Roger Sayle  <roger@eyesopen.com>
7844
7845         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
7846         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
7847         Normalize "X % C" as "X % -C" for signed modulus and negative C.
7848         Optimize "X % -Y" as "X % Y" for signed modulus.
7849         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
7850         into "((unsigned) X % Y) == 0".
7851
7852 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7853
7854         * sourcebuild.texi (Config Fragments): Use @comma{} in
7855         cross-reference to section title.
7856
7857 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7858
7859         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
7860         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
7861         (gimplify_target_expr, gimplify_expr): Likewise.
7862         (copy_if_shared_r): No longer need special case for BIND_EXPR.
7863         (unshare_body, unvisit_body): Only look at nested if BODY_P is
7864         whole function.
7865         (gimplify_compound_lval): See if we can strip any useless conversion.
7866         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
7867         from RHS, not LHS.
7868         (gimplify_modify_expr_to_memset): Likewise.
7869         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
7870         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
7871         (declare_inline_vars): Likewise.
7872         (walk_type_fields): New function.
7873         (walk_tree): Use it.
7874         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
7875
7876         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
7877         (sra_walk_modify_expr): Allow init function to fail.
7878         (scan_init): Now returns bool.
7879         (generate_element_init): If can't understand INIT, return false.
7880         (scalarize_init): Return false if generate_element_init does.
7881
7882         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
7883         print bounds.
7884
7885         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
7886         bounds if bounds aren't constant.
7887
7888         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
7889
7890         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
7891         to type hooks; remove bogus PARAMS.
7892
7893 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
7894
7895         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
7896         * dwarf2out.c (add_data_member_location_attribute): Check for
7897         TREE_BINFO.
7898         * tree.c (tree_node_kinds): Add "binfos".
7899         (binfo_lang_slots): New.
7900         (make_node_stat): Add TREE_BINFO.
7901         (make_tree_binfo_stat): New.
7902         (tree_node_structure): Add TREE_BINFO.
7903         * tree.def (TREE_BINFO): New.
7904         * tree.h (REC_OR_UNION_CHECK): Rename to ...
7905         (RECORD_OR_UNION_CHECK): ... here.
7906         (NOT_RECORD_OR_UNION_CHECK): New.
7907         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
7908         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
7909         RECORD_OR_UNION_CHECK.
7910         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
7911         (TYPE_LANG_SLOT_1): New.
7912         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
7913         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
7914         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
7915         (BINFO_ELTS): Remove.
7916         (BINFO_LANG_SLOT): New.
7917         (struct tree_binfo): New.
7918         (binfo_lang_slots): Declare.
7919         (enum tree_node_structure_enum): Add TS_BINFO.
7920         (union tree_node): Add binfo.
7921         (make_tree_binfo_stat): Declare.
7922         (make_tree_binfo): New.
7923         (enum tree_node_kind): Add binfo_kind.
7924
7925         * objc/objc-act.c (start_class, objc_declare_protocols,
7926         start_protocols): Use TYPE_LANG_SLOT_1.
7927         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
7928         to ...
7929         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
7930         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
7931         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
7932         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
7933
7934 2004-07-05  Steven Bosscher  <stevenb@suse.de>
7935
7936         * rtl.h (struct rtx_def): Remove the integrated flag.
7937         Use the return_val flag for MEM_SCALAR_P.
7938         Reshuffle and update flags in CLEAR_RTX_FLAGS.
7939
7940 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
7941
7942         PR target/16357
7943         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
7944         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
7945         move_by_pieces.
7946
7947 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
7948
7949         * var-tracking.c: Fix some comments.
7950         (frame_stack_adjust): New.
7951         (vt_stack_adjustments): Init stack_adjust of entry block to
7952         minus stack adjustment of function prologue.
7953         (adjust_stack_reference): Do not adjust if adjustment == 0.
7954         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
7955         (emit_notes_in_bb): Likewise.
7956         (vt_add_function_parameters): Do not adjust locations of
7957         function arguments.
7958         (vt_initialize): Compute the stack adjustment of function
7959         prologue and offset the initial "location" of frame_base_decl
7960         from the stack pointer after prologue.
7961
7962 2004-07-04  Richard Henderson  <rth@redhat.com>
7963
7964         * function.c (struct assign_parm_data_all): New.
7965         (struct assign_parm_data_one): New.
7966         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
7967         assign_parm_find_data_types, assign_parms_setup_varargs,
7968         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
7969         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
7970         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
7971         assign_parm_setup_block, assign_parm_setup_reg,
7972         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
7973         (assign_parms): ... here.
7974
7975 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
7976
7977         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
7978         now are bitmap_set_t's.
7979         (bitmap_insert_into_set): No point in inserting the value if
7980         it's invariant.
7981         (bitmap_set_contains): New function.
7982         (bitmap_set_replace_value): Add comment on why we do it
7983         this way.
7984         (set_contains): Removed.
7985         (bitmap_set_subtract_from_value_set): New name of
7986         set_subtract now that it's arguments are two different
7987         types of sets.
7988         Update callers.
7989         (bitmap_find_leader): Change algorithm used.
7990         (find_or_generate_expression): Update use of functions for new
7991         bitmap sets.
7992         (create_expression_by_pieces): Ditto.
7993         (insert_aux): Ditto.
7994         (insert): Ditto.
7995         (add_to_sets): Ditto.
7996         (init_pre): Ditto.
7997         (execute_pre): Ditto.
7998         (compute_avail): Ditto.
7999         Also ignore virtual phis.
8000
8001 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
8002
8003         * combine.c (simplify_comparison): Fix comment typo.
8004
8005 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8006
8007         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
8008         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
8009         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
8010         (output_restore): Change parameter from 'insn' to 'pat'.
8011         (output_return): Adjust call to output_restore.
8012         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
8013         Adjust call to output_restore.
8014
8015 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
8016
8017         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
8018         and assert system is bsd.
8019
8020 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
8021
8022         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
8023         (TARGET_SWITCHES): Remove -mdebugc.
8024         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8025         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
8026         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
8027         (sle_[sd]i_reg): Delete.
8028
8029 2004-07-04  Steven Bosscher  <stevenb@suse.de>
8030
8031         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
8032         Define.
8033         * config/iq2000/iq2000.md: Translate old pipeline description to an
8034         equivalent new one.
8035
8036 2004-07-04  Roger Sayle  <roger@eyesopen.com>
8037
8038         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
8039         Ensure the replacement rhs is valid gimple before performing
8040         the substitution.  Return false if these sanity checks fail.
8041         (fold_stmt): Only set changed to true, if set_rhs returns true.
8042         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
8043         succeeds.
8044
8045 2004-07-04  Richard Henderson  <rth@redhat.com>
8046
8047         PR c/16348
8048         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
8049
8050 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
8051
8052         * configure.ac (ranlib_flags): New variable.
8053         * Makefile.in (RANLIB_FLAGS): New variable.
8054         (libbackend.a): Use it.
8055         * configure: Regenerated.
8056
8057 2004-07-04  Roger Sayle  <roger@eyesopen.com>
8058
8059         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
8060         a "sign mask" instead of using ashr_optab directly.
8061
8062 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
8063
8064         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
8065         * doc/cppopts.texi: Clarify processing of command-line defines.
8066
8067 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
8068
8069         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
8070
8071 2004-07-04  Richard Henderson  <rth@redhat.com>
8072
8073         * rtl.def (ADDRESSOF): Remove.
8074         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
8075         (find_base_term, memrefs_conflict_p): Likewise.
8076         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
8077         (fold_rtx, cse_insn, set_live_p): Likewise.
8078         * dwarf2out.c (mem_loc_descriptor): Likewise.
8079         (add_location_or_const_value_attribute): Likewise.
8080         * emit-rtl.c (copy_insn_1): Likewise.
8081         * explow.c (memory_address): Likewise.
8082         * expmed.c (store_split_bit_field): Likewise.
8083         * expr.c (expand_expr_real_1): Likewise.
8084         * function.c (instantiate_decl
8085         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
8086         * genrecog.c (preds, validate_pattern): Likewise.
8087         * integrate.c (copy_rtx_and_substitute): Likewise.
8088         * recog.c (general_operand, register_operand): Likewise.
8089         (memory_address_p): Likwise.
8090         * reload1.c (eliminate_regs, elimination_effects): Likewise.
8091         * rtl.c (copy_rtx): Likewise.
8092         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8093         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
8094         * rtlhooks.c (gen_lowpart_general): Likewise.
8095         * stmt.c (expand_asm_operands): Likewise.
8096         * web.c (entry_register, replace_ref, web_main): Likewise.
8097         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
8098         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8099         * config/arm/arm.c (thumb_rtx_costs): Likewise.
8100         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
8101         * config/frv/frv.c (move_destination_operand, move_source_operand,
8102         condexec_dest_operand, condexec_source_operand,
8103         condexec_memory_operand): Likewise.
8104         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
8105         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
8106         (destination_xfmode_operand): Likewise.
8107         * config/mips/mips.h (PREDICATE_CODES): Likewise.
8108         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
8109         * config/s390/s390.c (general_s_operand): Likewise.
8110         * config/s390/s390.md (mov*): Likewise.
8111         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
8112
8113         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
8114         * expr.c (expand_expr_real_1): Likewise.
8115         * stmt.c (expand_decl): Likewise.
8116         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8117
8118         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
8119         postponed_insns, put_var_into_stack, put_reg_into_stack,
8120         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
8121         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
8122         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
8123         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
8124         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
8125         purge_bitfield_addressof_replacements, purge_addressof_replacements,
8126         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
8127         struct insns_for_mem_walk_info, insns_for_mem_walk,
8128         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
8129         setjmp_protect_args): Remove.
8130         (push_function_context_to): Don't handle var_refs_queue.
8131         (pop_function_context_from, free_after_compilation): Likewise.
8132         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
8133         (assign_parms, allocate_struct_function): Likewise.
8134         (use_register_for_decl): New.
8135         (expand_function_end): Don't setjmp_protect.
8136         * function.h (struct emit_status): Update commentary.
8137         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
8138         (max_parm_reg, parm_reg_stack_loc): Remove.
8139         * passes.c (DFI_addressof): Remove.
8140         (dump_file_info): Remove addressof.
8141         (rest_of_handle_addressof): Remove.
8142         (rest_of_compilation): Don't call it.
8143         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
8144         * stmt.c (expand_decl): Use use_register_for_decl.
8145         * tree.h: Update decls.
8146         * web.c (mark_addressof): Remove.
8147         * doc/invoke.texi (-dF): Remove.
8148
8149 2004-07-03  Richard Henderson  <rth@redhat.com>
8150
8151         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
8152         instead of gen_mem_addressof.
8153         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
8154         TImode output register.
8155
8156 2004-07-03  Richard Henderson  <rth@redhat.com>
8157
8158         PR tree-optimization/16341
8159         * tree-sra.c (sra_walk_function): Increment to next stmt before
8160         processing the current stmt.
8161         (sra_insert_after): Always use BSI_SAME_STMT.
8162
8163 2004-07-03  Richard Henderson  <rth@redhat.com>
8164
8165         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
8166         fp plus with minus.
8167
8168 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8169
8170         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
8171         with tree_int_cst_equal.
8172
8173 2004-07-03  Andreas Schwab  <schwab@suse.de>
8174
8175         * config/ia64/ia64.md: Define new attribute "empty".
8176         (prologue_use, nop_x, insn_group_barrier): Set it.
8177
8178         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
8179         skip over "empty" insns.
8180
8181 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8182
8183         * tree-inline.c (initialize_inlined_parameters): Pass proper function
8184         context to gimplify_body.
8185         (walk_tree): Don't walk into types twice.
8186         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
8187
8188         * tree-sra.c (generate_element_init): Remove any useless conversions.
8189
8190         * gimplify.c (gimplify_conversion): Remove stripping useless
8191         conversions from here.
8192         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
8193         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
8194         Unshare before substituting PLACEHOLDER_EXPR.
8195         (gimplify_modify_expr_to_memset): Likewise.
8196         Pass address of TO to memset, not TO itself.
8197         (gimplify_init_constructor): Make copy of OBJECT so we have it each
8198         time we make an expression (to match a PLACEHOLDER_EXPR).
8199
8200         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
8201         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
8202         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
8203         * tree-ssa-dom.c (local_fold): Likewise.
8204
8205         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
8206         * langhooks.h (strct lang_hooks): New field type_max_size.
8207         * function.c (assign_temp): Call it.
8208
8209 2004-07-03  Steven Bosscher  <stevenb@suse.de>
8210
8211         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
8212         * config/sh/sh.md: Convert the SH1 pipeline description to
8213         a DFA model.
8214
8215 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
8216
8217         * c-decl.c (struct c_binding): Remove contour field; add
8218         depth, invisible, nested fields.
8219         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
8220         (B_IN_EXTERNAL_SCOPE): New convenience macros.
8221         (bind): Add invisible and nested arguments. Initialize
8222         new fields of struct c_binding; adjust loop scanning for
8223         insertion point.
8224         (free_binding_and_advance): Clear structure with memset.
8225         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
8226         in file scope, even if it's in external scope too.
8227         (pushdecl): Adjust to match.  Create invisible file-scope
8228         declarations for block-scope forward declarations of static functions.
8229         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
8230         (undeclared_variable, lookup_label, declare_label, define_label)
8231         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
8232         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
8233         (store_parm_decls_oldstyle): Adjust to match.
8234         (diagnose_mismatched_decls): Correct handling of linkage clashes.
8235         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
8236
8237         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
8238         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
8239
8240 2004-07-02  Richard Henderson  <rth@redhat.com>
8241
8242         * c-decl.c (grokdeclarator): Don't frob current_function_decl
8243         around variable_size.
8244         (set_decl_nonlocal): Remove.
8245         (store_parm_decls): Add stmts for pending sizes.
8246         * calls.c (calls_function, calls_function_1): Remove.
8247         (precompute_arguments): Don't call it.
8248         * cfgexpand.c (set_save_expr_context): Remove.
8249         (tree_expand_cfg): Don't call it.
8250         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
8251         (dwarf2out_finish): Likewise.
8252         * expr.c (emit_block_move): Adjust addresses to BLKmode.
8253         (store_constructor): Don't pre-evaluate SAVE_EXPR.
8254         (safe_from_p): Don't queue SAVE_EXPRs.
8255         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
8256         or build plain VAR_DECLs.
8257         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
8258         (fold): Likewise.
8259         (fold_checksum_tree): Don't special-case SAVE_EXPR.
8260         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
8261         (put_var_into_stack): Don't handle SAVE_EXPR.
8262         (gen_mem_addressof): Likewise.
8263         * function.h (struct function): Remove x_save_expr_regs.
8264         (save_expr_regs): Remove.
8265         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
8266         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
8267         * stor-layout.c (variable_size): Don't set it.
8268         (force_type_save_exprs, force_type_save_exprs_1): Remove.
8269         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
8270         all callers.  Don't set SAVE_EXPR_CONTEXT.
8271         * tree-inline.h (remap_save_expr): Update decl.
8272         * tree.c (save_expr): Update build size.
8273         (first_rtl_op): Don't handle SAVE_EXPR.
8274         (unsave_expr_1, contains_placeholder_p): Likewise.
8275         (decl_function_context): Likewise.
8276         * tree.def (SAVE_EXPR): Remove args 1 and 2.
8277         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
8278         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
8279
8280 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8281
8282         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
8283         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
8284         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
8285         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
8286         some first-person references and patronizing comments.  Based on
8287         printed manual.
8288         * doc/invoke.texi: Don't reference fortran@gnu.org.
8289         * doc/trouble.texi (Warning when a non-void function value is
8290         ignored): Rewrite.  From Russ Allbery and Chris Devers.
8291
8292 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
8293
8294         * tree-ssa-pre.c (bitmap_set_t): New.
8295         (bb_value_sets): avail_out is now a bitmap_set_t.
8296         (bitmap_find_leader): New function.
8297         (bitmap_value_insert_into_set): Ditto.
8298         (bitmap_set_copy): Ditto.
8299         (bitmap_value_replace_in_set): Ditto.
8300         (bitmap_set_contains_value): Ditto.
8301         (bitmap_set_new): Ditto.
8302         (bitmap_set_pool): New pool.
8303         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
8304         (insert_aux): Ditto.
8305         (add_to_sets): Ditto.
8306         (compute_avail): Ditto
8307         (eliminate): Ditto.
8308         (init_pre): Ditto.
8309         (fini_pre): Ditto.
8310         (execute_pre): Ditto.
8311
8312 2004-07-02  Roger Sayle  <roger@eyesopen.com>
8313
8314         * config/rs6000/rs6000.c (struct processor_costs): New structure
8315         used to hold instruction latencies/sizes for processor types.
8316         (rs6000_cost): New global variable pointing to current CPU's costs.
8317         (rs6000_override_options): Initialize rs6000_cost to point to the
8318         appropriate cost table based upon rs6000_cpu and optimize_size.
8319         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
8320         timings inline.
8321
8322 2004-07-02  Richard Henderson  <rth@redhat.com>
8323
8324         * expmed.c (make_tree): Don't use SET_DECL_RTL.
8325
8326 2004-07-02  Steven Bosscher  <stevenb@suse.de>
8327
8328         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
8329
8330 2004-07-01  Richard Henderson  <rth@redhat.com>
8331
8332         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
8333         (alpha_gp_save_rtx): Use assign_stack_local instead of
8334         gen_mem_addressof.
8335
8336 2004-07-01  Richard Henderson  <rth@redhat.com>
8337
8338         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
8339         (alpha_rtx_cost_data): Update to match.
8340         (alpha_rtx_cost_size): New.
8341         (alpha_rtx_costs): Honor optimize_size.
8342
8343 2004-07-01  Richard Henderson  <rth@redhat.com>
8344
8345         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
8346         * cfgexpand.c (tree_expand_cfg): Do it here.
8347         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
8348         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
8349         * config/mips/mips.c (mips_output_mi_thunk): And here.
8350         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
8351         * config/sh/sh.c (sh_output_mi_thunk): And here.
8352         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
8353
8354 2004-07-01  Richard Henderson  <rth@redhat.com>
8355
8356         * tree.def (RTL_EXPR): Remove.
8357         * c-typeck.c (lvalue_p): Don't handle it.
8358         * expr.c (safe_from_p): Likewise.
8359         (expand_expr_real_1): Likewise.
8360         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
8361         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
8362         * gengtype.c (adjust_field_tree_exp): Likewise.
8363         * stmt.c (warn_if_unused_value): Likewise.
8364         * tree-gimple.c (recalculate_side_effects): Likewise.
8365         * tree-pretty-print.c (dump_generic_node): Likewise.
8366         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
8367         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
8368         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
8369
8370         * stmt.c (struct stmt_status): Remove x_last_expr_type,
8371         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
8372         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
8373         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
8374         all the bits that tracked last_expr.
8375         (expand_end_bindings): Don't track last_expr.
8376         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
8377         (clear_last_expr): Remove.
8378         (expand_asm): Don't call it.
8379         (expand_asm_operands, expand_end_cond): Likewise.
8380         (expand_naked_return, expand_null_return_1): Likewise.
8381         * c-typeck.c (c_begin_compound_stmt): Likewise.
8382         * cfgexpand.c (expand_block): Use expand_expr_stmt.
8383         * expr.c (expand_expr_real_1): Likewise.
8384         * tree.h: Update prototypes.
8385
8386         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
8387         (struct emit_status): Remove sequence_rtl_expr.
8388         (struct function): Remove x_rtl_expr_chain.
8389         (seq_rtl_expr, rtl_expr_chain): Remove.
8390         * function.c (struct temp_slot): Remove rtl_expr.
8391         (assign_stack_temp_for_type): Don't set it.
8392         (free_temp_slots, pop_temp_slots): Don't check it.
8393         (free_after_compilation): Don't clear x_rtl_expr_chain.
8394         (fixup_var_refs): Don't search it.
8395         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
8396         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
8397         or seq_rtl_expr.
8398         (push_topmost_sequence): Likewise.
8399         (end_sequence, init_emit): Likewise.
8400         (start_sequence_for_rtl_expr): Remove.
8401         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
8402         * rtl.h (preserve_rtl_expr_result): Remove.
8403
8404 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
8405
8406         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
8407         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
8408         typos.
8409
8410 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8411
8412         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
8413         (STANDARD_STARTFILE_PREFIX_2): Define.
8414         (standard_startfile_prefix_1): Initialize to
8415         STANDARD_STARTFILE_PREFIX_1.
8416         (standard_startfile_prefix_2): Initialize to
8417         STANDARD_STARTFILE_PREFIX_2.
8418         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
8419         (STANDARD_STARTFILE_PREFIX_1): Define.
8420         (STANDARD_STARTFILE_PREFIX_2): Define.
8421         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
8422         (STANDARD_STARTFILE_PREFIX_2): Document.
8423
8424 2004-07-01  Richard Henderson  <rth@redhat.com>
8425
8426         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
8427         in order to disable scalarization.  Instead set a flag and wait
8428         for a candidate decl.
8429
8430 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
8431
8432         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
8433         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
8434         Use terminology "testsuite" and "enumerated".
8435
8436 2004-07-01  Richard Henderson  <rth@redhat.com>
8437
8438         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
8439         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
8440         (initial_return_save): Likewise.
8441         (flush_queued_reg_saves): Remap register numbers.
8442         (dwarf2out_return_reg): Likewise.
8443
8444 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8445
8446         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
8447
8448         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
8449         access functions for lower bound and element size and only output
8450         if lower bound nonzero or element size not same as that of type.
8451         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
8452
8453 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8454
8455         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
8456
8457 2004-07-01  Per Bothner  <per@bothner.com>
8458
8459         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
8460
8461 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
8462
8463         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
8464         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
8465         first operand.  Don't optimize if the bitfield is volatile.
8466
8467 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8468
8469         * c-pretty-print.c (pp_c_postfix_expression): Handle
8470         floating-point comparison operators.
8471         (pp_c_expression): Pass floating-point comparison
8472         operators to pp_c_postfix_expression.
8473
8474 2004-07-01  Roger Sayle  <roger@eyesopen.com>
8475
8476         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
8477         rtx_cost instead of "had_mult" to determine whether the transformed
8478         expression is cheaper than the original.
8479
8480 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
8481
8482         * alias.c (get_alias_set, canon_rtx, get_addr,
8483         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
8484         Use MEM_P.
8485         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
8486         expand_builtin): Likewise.
8487         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
8488         Likewise.
8489         * combine.c (can_combine_p, combinable_i3pat, try_combine,
8490         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
8491         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
8492         record_dead_and_set_regs_1, get_last_value_validate,
8493         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
8494         * cse.c (check_dependence, canon_hash, equiv_constant,
8495         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
8496         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
8497         count_reg_usage): Likewise.
8498         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
8499         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
8500         cselib_record_sets): Likewise.
8501         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
8502         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
8503         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
8504         * df.c (df_uses_record): Likewise.
8505         * dojump (do_jump): Likewise.
8506         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
8507         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
8508         decl_start_label): Likewise.
8509         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
8510         operand_subword, change_address_1, make_safe_from): Likewise.
8511         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
8512         stabilize, force_not_mem): Likewise.
8513         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
8514         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
8515         * expr.c (convert_move, convert_modes, emit_block_move,
8516         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
8517         emit_move_insn_1, expand_assignment, store_expr,
8518         store_constructor_field, store_constructor, store_field,
8519         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
8520         Likewise.
8521         * final.c (cleanup_subreg_operands, alter_subreg,
8522         get_mem_expr_from_op): Likewise.
8523         * flow.c (notice_stack_pointer_modification_1,
8524         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
8525         Likewise.
8526         * function.c (mark_temp_addr_taken, preserve_temp_slots,
8527         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
8528         optimize_bit_field, flush_addressof, purge_addressof_1,
8529         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
8530         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
8531         keep_stack_depressed): Likewise.
8532         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
8533         noce_process_if_block, find_memory): Likewise.
8534         * integrate.c (subst_constants, allocate_initial_values): Likewise.
8535         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
8536         update_equiv_regs): Likewise.
8537         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
8538         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
8539         * optabs.c (expand_abs, emit_unop_insn): Likewise.
8540         * passes.c (rest_of_handle_final): Likewise.
8541         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
8542         move2add_note_store): Likewise.
8543         * ra-build.c (detect_remat_webs): Likewise.
8544         * ra-debug.c (dump_static_insn_cost): Likewise.
8545         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
8546         * recog.c (validate_change, apply_change_group, cancel_changes,
8547         validate_replace_rtx_1, general_operand, register_operand,
8548         nonmemory_operand, push_operand, pop_operand, memory_operand,
8549         indirect_operand, asm_operand_ok, offsettable_memref_p,
8550         offsettable_nonstrict_memref_p, constrain_operands,
8551         store_data_bypass_p): Likewise.
8552         * reg-stack.c (subst_stack_regs_pat): Likewise.
8553         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
8554         copy_cost, reg_scan_mark_refs): Likewise.
8555         * regmove.c (optimize_reg_copy_3, stack_memref_p,
8556         combine_stack_adjustments_for_block): Likewise.
8557         * regrename.c (copyprop_hardreg_forward_1): Likewise.
8558         * reload.c (can_reload_into, push_reload, decompose, immune_p,
8559         find_reloads, find_reloads_address, find_reloads_address_1,
8560         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
8561         find_equiv_reg): Likewise.
8562         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
8563         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
8564         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
8565         delete_address_reloads): Likewise.
8566         * resource.c (mark_referenced_resources): Likewise.
8567         * rtlanal.c (get_jump_table_offset, count_occurrences,
8568         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
8569         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
8570         num_sign_bit_copies1): Likewise.
8571         * rtlhooks.c (gen_lowpart_general): Likewise.
8572         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
8573         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
8574         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
8575         sdbout_global_decl): Likewise.
8576         * simplify-rtx.c (simplify_subreg): Likewise.
8577         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
8578         expand_anon_union_decl, expand_end_case_type): Likewise.
8579         * unroll.c (calculate_giv_inc): Likewise.
8580         * var-tracking.c (stack_adjust_offset_pre_post,
8581         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
8582         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
8583         vt_add_function_parameters): Likewise.
8584         * varasm.c (make_var_volatile, notice_global_symbol,
8585         assemble_external, decode_addr_const, mark_weak,
8586         default_encode_section_info): Likewise.
8587
8588 2004-07-01  Steven Bosscher  <stevenb@suse.de>
8589
8590         * stmt.c (check_seenlabel): Remove.
8591         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
8592
8593 2004-07-01  Richard Henderson  <rth@redhat.com>
8594
8595         * function.h (struct function): Remove x_function_call_count.
8596         (function_call_count): Remove.
8597         * calls.c (expand_call): Don't set it.
8598         * integrate.c (copy_rtx_and_substitute): Likewise.
8599
8600         * function.h (struct function): Remove x_cleanup_label.
8601         (cleanup_label): Remove.
8602         * stmt.c (expand_value_return): Don't use it.
8603         * function.c (free_after_compilation): Don't set it.
8604         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
8605         * cfgexpand.c (tree_expand_cfg): Update call.
8606         * tree.h (expand_function_start): Update decl.
8607
8608 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
8609
8610         PR c/1027
8611         * c-lang.c (c_initialize_diagnostics): Move from here ...
8612         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
8613         (c_tree_printer): Use pretty-printer to format %T.
8614         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
8615         before '*' if not C++.
8616         (pp_c_direct_abstract_declarator): Don't try to print array upper
8617         bound for flexible array members.
8618         * c-tree.h: Include "diagnostic.h".
8619         (c_initialize_diagnostics): Declare.
8620         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
8621         * c-format.c (format_type_warning): New function.  Improve
8622         diagnostics for incorrect format argument types.
8623         (check_format_types): Use it.  Add two parameters.  Use the
8624         TYPE_MAIN_VARIANT of wanted_type.
8625         (check_format_info_main): Pass new parameters to
8626         check_format_types.
8627         (struct format_wanted_type): Update comment.
8628
8629 2004-07-01  Nick Clifton  <nickc@redhat.com>
8630
8631         * target.h (struct gcc_target): Add new field to struct cxx:
8632         import_export_class.
8633         * target-def.h (TARGET_CXX): Initialise the new field.
8634         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
8635         the new field.
8636         * doc/tm.texi: Document the new target hook.
8637
8638 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8639
8640         * builtins.c (fold_builtin_classify): Fix typo.
8641
8642 2004-07-01  Richard Henderson  <rth@redhat.com>
8643
8644         * function.c (identify_blocks, identify_blocks_1): Remove.
8645         * function.h (identify_blocks): Remove.
8646         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
8647
8648 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8649
8650         * builtins.c (fold_builtin_classify): New.
8651         (fold_builtin_unordered_cmp): Fix commentary.
8652         (fold_builtin): Use it.
8653         * builtins.def: Define builtins for isnan,
8654         isnanf, isnanl, finite, finitef, finitel,
8655         isinf, isinff, isinfl.
8656
8657 2004-07-01  Richard Henderson  <rth@redhat.com>
8658
8659         * function.h (struct function): Remove dont_emit_block_notes.
8660         * gimple-low.c (lower_function_body): Don't set it.
8661         * cfgexpand.c (expand_block): Don't check it.
8662         * cfglayout.c (insn_locators_initialize): Likewise.
8663         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
8664         * passes.c (rest_of_compilation): Likewise.
8665         * stmt.c (expand_start_bindings_and_block): Likewise.
8666         (expand_end_bindings): Likewise.
8667
8668 2004-07-01  Richard Henderson  <rth@redhat.com>
8669
8670         * cgraph.h (cgraph_build_static_cdtor): Declare.
8671         * cgraphunit.c (cgraph_build_static_cdtor): New.
8672         * c-objc-common.c (build_cdtor): Use it.
8673         * coverage.c (create_coverage): Likewise.
8674         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
8675         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
8676
8677 See ChangeLog.11 for earlier changes.