OSDN Git Service

9cae78e626e51476c3c531e588f9ed4c381c29dc
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-08-18  James E Wilson  <wilson@specifixinc.com>
2
3         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
4
5         * config/mips/mips.md (type): Add frdiv.
6         (divsf3+1, divsf3+2): Change type to frdiv.
7         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
8         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
9         
10         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
11         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
12         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
13         * config/mips/5000.md (r5k_fdiv_single): Likewise.
14         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
15         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
16         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
17         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
18         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
19         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
20         Likewise.
21         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
22
23 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
24
25         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
26         get regression tester working again.
27
28 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
29
30         * insn-notes.def, reg-notes.def: New files.
31         * rtl.h: Use them to define enum insn_note and enum reg_note.
32         * rtl.c: Use them to define note_insn_name and reg_note_name.
33         * Makefile.in (RTL_BASE_H): Update.
34
35         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
36         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
37
38 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
39
40         * arm.c (arm_size_rtx_costs): New function.
41         (arm_override_options): Use it if optimizing for space.
42
43 2004-08-18  Richard Henderson  <rth@redhat.com>
44
45         * emit-rtl.c (gen_const_mem): New.
46         * rtl.h (gen_const_mem): Declare.
47         * expr.c (do_tablejump): Use it.
48         * varasm.c (force_const_mem): Likewise.
49         * config/darwin.c (machopic_indirect_data_reference): Likewise.
50         (machopic_legitimize_pic_address): Likewise.
51         * config/arm/arm.c (legitimize_pic_address): Likewise.
52         * config/i386/i386.c (legitimize_pic_address): Likewise.
53         (legitimize_tls_address): Likewise.
54         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
55         * config/ia64/ia64.md (load_fptr): Likewise.
56         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
57         * config/pa/pa.c (legitimize_pic_address): Likewise.
58         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
59         (rs6000_emit_move): Likewise.
60         * config/s390/s390.c (legitimize_pic_address): Likewise.
61         (legitimize_tls_address): Likewise.
62         * config/s390/s390.md (casesi): Likewise.
63         * config/sh/sh.c (sh_reorg): Likewise.
64         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
65         * config/v850/v850.md (casesi): Likewise.
66
67         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
68         * config/sh/sh.c (prepare_move_operands): Remove incorrect
69         use of MEM_READONLY_P.
70
71 2004-08-18  Steven Bosscher  <stevenb@suse.de>
72
73         * Makefile.in (OBJS-common): Add postreload-gcse.c.
74         Add new postreload-gcse.o.
75         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
76         (lookup_as_function, insert, rehash_using_reg, use_related_value,
77         equiv_constant): Use SAFE_HASH instead of safe_hash.
78         (exp_equiv_p): Export.  Add for_gcse argument when comparing
79         for GCSE.
80         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
81         find_comparison_args, fold_rtx, cse_insn): Update callers.
82         (hash_rtx): New function derived from old canon_hash and bits
83         from gcse.c hash_expr_1.
84         (canon_hash_string): Rename to hash_rtx_string.
85         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
86         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
87         (cselib_lookup): Update this caller.
88         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
89         Make static.
90         (hash_expr): Call hash_rtx.
91         (ldst_entry): Likewise.
92         (expr_equiv_p): Call exp_equiv_p.
93         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
94         reg_used_on_edge, reg_set_between_after_reload_p,
95         reg_used_between_after_reload_p, get_avail_load_store_reg,
96         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
97         get_bb_avail_insn, hash_scan_set_after_reload,
98         compute_hash_table_after_reload,
99         eliminate_partially_redundant_loads, gcse_after_reload,
100         get_bb_avail_insn, gcse_after_reload_main): Remove.
101         * postreload-gcse.c: New file, reincarnating most of the above.
102         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
103         (gcse_after_reload_main): Update prototype.
104         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
105         * passes.c (rest_of_handle_gcse2): Use it.
106
107 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
108
109         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
110         (pass_loop_done): Likewise.
111
112 2004-08-18  Andrew Pinski  <apinski@apple.com>
113
114         * config/rs6000/darwin.md: Delete the altivec patterns which are
115         handled differently now.
116         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
117         (macho_correct_pic_di): Likewise.
118         (call_indirect_nonlocal_darwin64): Likewise.
119         Delete the save world/saveFP/saveVec patterns.
120
121         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
122         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
123         * config/rs6000/rs6000.md: Include darwin.md.
124         (builtin_setjmp_receiver): Add DImode case.
125         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
126         Darwin bits.
127
128 2004-08-18  Matt Austern  <austern@apple.com>
129
130         Dead code stripping
131         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
132         * darwin.c (darwin_file_end): Mark file as potentially strippable.
133
134 2004-08-18  Richard Henderson  <rth@redhat.com>
135
136         * alias.c (readonly_fields_p): Remove.
137         (objects_must_conflict_p): Don't call it.
138         * tree.h (readonly_fields_p): Remove.
139         * langhooks.h (struct lang_hooks): Remove honor_readonly.
140         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
141
142 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
143
144         * tree-dfa.c (add_referenced_var): Only global variables are
145         call-clobbered.
146         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
147         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
148         all pointers dereferenced if the statement dereferences them.
149         (create_name_tags): Do not create memory tags for pointers
150         that have PT_ANYTHING set.
151         Also check if PT_VARS is not empty before creating a name tag.
152         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
153         variables that share the same alias set with a pointer that
154         may point anywhere.
155         (add_may_alias): Add FIXME comment to remove clobbering
156         aliased variables and tags.
157         (replace_may_alias): Likewise.
158         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
159         (merge_pointed_to_info): If the original variable has not
160         points-to information, call set_pt_anything.
161         (add_pointed_to_var): Do not prevent adding a pointed-to
162         variable if the pointers is PT_ANYTHING.
163         If the variable is a global, set PT_GLOBAL_MEM.
164         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
165         pointer type only come in PTR+OFFSET flavours.
166         Always call merge_pointed_to_info on PHI arguments that are
167         SSA_NAMEs.
168         (get_nmt_for): Mark call-clobbered tags whose pointer points
169         to global memory.
170         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
171         values.
172         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
173         FLAGS.
174         (add_stmt_operand): Abort if the caller tried to add a killing
175         definition for a memory tag.
176         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
177         unnecessary checks.
178
179 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
180
181         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
182         from call_used_regs.  Update call_really_used_regs.
183         (CALL_REALLY_USED_REGISTERS): Define.
184         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
185         Replace call_used_regs with call_really_used_regs.
186         (calc_live_regs, sh_media_register_for_return): Likewise.
187         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
188         * sh.md (return_media): Likewise.
189
190 2004-08-18  Andrew Pinski  <apinski@apple.com>
191
192         * config/darwin.c (machopic_legitimize_pic_address): Only set
193         MEM_READONLY_P in the non TARGET_TOC case.
194
195 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
196
197         * rtl.def (NIL): Delete.
198         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
199         Tighten the syntax a little.
200
201         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
202         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
203         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
204         * config/i386/predicates.md, config/m32r/m32r.h
205         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
206         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
207         * config/sparc/sparc.h, doc/tm.texi:
208         Replace all occurrences of NIL with UNKNOWN.
209
210 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
211
212         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
213         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
214         sequence inline.  Move drop_through_label code into this
215         block, being the only place it is used.  Adjust comments.
216
217 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
218
219         * config/rs6000/altivec.md: Add new patterns for calls to
220         save_world/rest_world functions.
221
222         * config/rs6000/rs6000-protos.h: (save_world_operation,
223         restore_world_operation) new declarations.
224
225         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
226         field added.
227         (rs6000_stack_info): Set world_save_p field.
228         (save_world_operation): New function.
229         (restore_world_operation): New function.
230         (compute_save_world_info): New function.
231         (rs6000_stack_info): Call compute_save_world_info.
232         (rs6000_emit_prologue): Check for world_save_p and generate
233         pattern to call save_world for saving all non-volatile and
234         special registers.
235         (rs6000_emit_epilogue): Check for world_save_p and generate
236         pattern to call rest_world to restore saved registers.
237
238         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
239         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
240         (rs6000_reg_names): New entries added for save_world_operation and
241         restore_world_operation.
242
243 2004-08-18  Caroline Tice  <ctice@apple.com>
244
245         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
246         "-freorder-blocks-and-partition" to the flags used in second
247         stage of profiledbootstrap.
248         * bb-reorder.c (push_to_next_round_p): Add new variable,
249         next_round_is_last; set and use variable to make sure, when
250         partitioning, that the last trace construction round consists
251         of all (and only) cold basic blocks.
252         (rotate_loop): Don't copy blocks that end in a section
253         crossing jump.
254         (copy_bb): Correctly initialize "partition" of duplicated bb.
255         (add_unlikely_executed_notes): Add a comment.
256         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
257         to make sure, if function contains hot blocks, that the
258         successors of ENTRY_BLOCK_PTR are hot; also, only look for
259         crossing edges if the architecture supports named sections.
260         (mark_bb_for_unlikely_executed_section): Modify to always
261         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
262         the basic block note insn.
263         (fix_crossing_unconditional_branches): Remove extra space.
264         (fix_edges_for_rarely_executed_code): Modify to only do
265         partitioning work if the architecture supports named sections.
266         (reorder_basic_blocks): Modify to only add
267         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
268         supports named sections.
269         * c-common.c (handle_section_attribute): Initialize new global
270         variable, user_defined_section_attribute, to true if user has
271         specified one.
272         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
273         forward edges that cross section boundaries.
274         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
275         partitioning information if the architecture supports named
276         sections.
277         * cfgrtl.c (target.h): Add statement to include this.
278         (rtl_split_block): Make sure newly created bb gets correct
279         partition.
280         (try_redirect_by_replacing_jump): Make sure redirection isn't
281         attempting to cross section boundaries.
282         (force_nonfallthru_and_redirect): Only do partition fix up if
283         architecture supports named sections.
284         (rtl_split_edge): Make sure newly created bb ends up in
285         correct partition.
286         (commit_one_edge_insertion): Remove code that incorrectly
287         updated basic block partition; Make sure partition fix up only
288         happens if architecture supports named sections and it's not
289         already done.
290         (rtl_verify_flow_info_1): Fix if-condition on test/error
291         condition that fallthru edges are not allowed to cross section
292         boundaries.
293         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
294         * final.c (final_scan_insn): Remove redundant test from if-statement;
295         change calls to text_section into calls to function_section; add code
296         to only to partitioning fix up if architecture supports named
297         sections.
298         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
299         partition.
300         (if_convert): Add targetm.have_named_sections to test.
301         * output.h (unlikely_section_label): Extern declaration for new global
302         variable.
303         (unlikely_text_section_name): Likewise.
304         * opts.c (decode_options): If both partitioning and DWARF debugging
305         are turned on, issue a warning that this doesn't work, and change
306         partitiong to basic block reordering (without hot/cold partitions).
307         * passes.c (rest_of_handle_final): Re-set new global variable,
308         user_defined_section_attribute, to false.
309         (rest_of_compilation): Change options for calling partitioning
310         function: Don't call if the user defined the section attribute, and
311         don't call if DECL_ONE_ONLY is true for the current function.
312         * predict.c (choose_function_section): Return immediately if we
313         are doing hot/cold partitioning (i.e. let the basic block partitioning
314         determine where the function belongs).
315         * reg-stack.c (emit_swap_insn): Add condition to step over
316         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
317         * toplev.c (user_defined_section_attribute): New global variable.
318         * toplev.h (user_defined_section_attribute): Extern declaration for new
319         global variable.
320         * varasm.c (unlikely_section_label): New global variable.
321         (unlikely_text_section_name): New global variable.
322         (unlikely_text_section): Add code to initialize unlikely_text_section_name
323         if necessary; modify to use unlikely_text_section_name and
324         unlikely_section_label; also to use named_section properly.
325         (in_unlikely_text_section):  Modify to work correctly with named_section
326         and to use unlikely_text_section_name.
327         (named_section):  Add code to work properly with cold section.
328         (function_section): Clean up if-statement.
329         * config/darwin.c (darwin_asm_named_section): Return to original code,
330         removing use of SECTION_FORMAT_STRING.
331         * config/arm/pe.h (switch_to_section):  Add case for
332         in_unlikely_executed_text to switch statement.
333         * config/i386/cygming.h (switch_to_section): Likewise.
334         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
335         (SECTION_FORMAT_STRING): Likewise.
336         * config/mcore/mcore.h (switch_to_section): Likewise.
337         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
338         (SECTION_FORMAT_STRING): Remove.
339
340 2004-08-18  Roger Sayle  <roger@eyesopen.com>
341
342         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
343         -ffixed-reg safe, by preserving the meanings of zero and one.
344         (CALL_USED_REGISTERS): Likewise.
345         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
346
347 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
348
349         * config/sh/sh.c (split_branches): Check the result of
350         next_active_insn.
351         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
352         Call rtl_register_cfg_hooks.
353
354 2004-08-18  Richard Henderson  <rth@redhat.com>
355
356         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
357         * alias.c (true_dependence): Update to match new semantics.
358         (canon_true_dependence, write_dependence_p): Likewise.
359         (anti_dependence, output_dependence): Update write_dependence_p args.
360         (unchanging_anti_dependence): Remove.
361         * calls.c (purge_mem_unchanging_flag): Remove.
362         (fixup_tail_calls): Don't call it.
363         (expand_call): Don't add unchanging memory to function usage.
364         * expr.c (emit_block_move_via_libcall): Likewise.
365         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
366         (get_subtarget): Don't use RTX_UNCHANGING_P.
367         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
368         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
369         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
370         * cse.c (insert): Don't use RTX_UNCHANGING_P.
371         (cse_insn, canon_hash): Use MEM_READONLY_P.
372         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
373         instead of RTX_UNCHANGING_P.
374         * explow.c (maybe_set_unchanging): Remove.
375         * expr.h (maybe_set_unchanging): Remove.
376         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
377         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
378         (assign_parm_setup_reg, expand_function_start): Likewise.
379         * integrate.c (copy_rtx_and_substitute): Likewise.
380         * ra-rewrite.c (emit_colors): Likewise.
381         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
382         (fixup_match_1): Likewise.
383         * reload1.c (reload, alter_reg): Likewise.
384         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
385         not RTX_UNCHANGING_P.
386         (equiv_init_varies_p): Likewise.
387         * loop-invariant.c (check_maybe_invariant): Likewise.
388         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
389         * loop.c (note_addr_stored): Likewise.
390         (prescan_loop): Likewise. Don't check function usage for clobbered
391         unchanging memory.
392         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
393         not RTX_UNCHANGING_P.
394         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
395         * varasm.c (force_const_mem): Likewise.
396         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
397         * web.c (entry_register): Likewise.
398         * tree-gimple.h (get_base_address): Move decl ...
399         * tree.h: ... here.
400         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
401
402         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
403         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
404         (alpha_set_memflags): Update to match.
405
406         * config/darwin.c (machopic_indirect_data_reference): Set
407         MEM_READONLY_P instead of RTX_UNCHANGING_P.
408         (machopic_indirect_call_target): Likewise.
409         (machopic_legitimize_pic_address): Likewise.
410         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
411         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
412         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
413         * config/frv/frv.md (symGOT2reg): Likewise.
414         * config/i386/i386.c (legitimize_pic_address,
415         legitimize_tls_address, ix86_split_to_parts): Likewise.
416         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
417         * config/ia64/ia64.md (load_fptr): Likewise.
418         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
419         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
420         * config/mcore/mcore.c (block_move_sequence): Likewise.
421         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
422         * config/pa/pa.c (legitimize_pic_address): Likewise.
423         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
424         (rs6000_emit_move): Likewise.
425         * config/s390/s390.c (legitimize_pic_address): Likewise.
426         (legitimize_tls_address): Likewise.
427         * config/s390/s390.md (casesi): Likewise.
428         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
429         * config/sh/sh.md (symGOT2reg): Likewise.
430         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
431         * config/v850/v850.md (casesi): Likewise.
432
433         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
434         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
435         * config/mips/mips.c (mips_restore_gp): Likewise.
436         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
437         * config/sh/sh.c (sh_reorg): Likewise.
438
439 2004-08-18  Richard Henderson  <rth@redhat.com>
440
441         * tree.h (struct tree_decl): Add gimple_formal_temp.
442         (DECL_GIMPLE_FORMAL_TEMP_P): New.
443         * gimplify.c (pop_gimplify_context): Clear it.
444         (lookup_tmp_var): Set it, if is_formal.
445         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
446         Use is_gimple_val for VECTOR.  Simplify return value.
447         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
448         (gimplify_expr): Likewise.
449         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
450         is_gimple_tmp_rhs for clarity.  Update all callers.
451         (is_gimple_reg_rhs): Simplify logic.
452         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
453         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
454         (is_gimple_formal_tmp_reg): Similarly.
455         * tree-gimple.h: Update decls.
456         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
457         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
458         * tree-ssa-live.c (var_union, type_var_init): Likewise.
459
460 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
461
462         * c4x.c (legitimize_operands): Remove calls to
463         preserve_subexpressions_p.
464
465 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
466
467         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
468         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
469
470 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
471
472         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
473         Objective-C++ extensions.
474         * gengtype.c (get_file_basename): Match entire subdirectory name
475         ('cp', 'objc', 'objcp') rather than just its suffix.
476         (get_base_file_bitmap): Allow for files to belong to more than one
477         language.
478         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
479         used by more than one front-end.
480
481 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
482
483         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
484         avoid use of preserve_subexpressions_p.
485
486 2004-08-17  Richard Henderson  <rth@redhat.com>
487
488         PR 17051
489         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
490
491 2004-08-17  DJ Delorie  <dj@redhat.com>
492
493         * doc/extend.texi: Document new xstormy16 attribute.
494
495         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
496         (xstormy16_splittable_below100_or_register): New.
497         (combine_bnp): New.
498         (xstormy16_reorg): New.
499         (TARGET_MACHINE_DEPENDENT_REORG): Define.
500
501
502         * config/stormy16/stormy16.md (movqi_internal): Make name public.
503         (movhi_internal): Likewise.
504         (cbhranchhi): Likewise.
505         (cbhranchhi_neg): Likewise.
506         (andhi3): Only allow splittable below100 operands.
507         (iorhi3): Likewise.
508         (peephole2): New and/zero_extend->and peephole.
509         (peephole2): New load/ior/save->set1 peephole.
510         (peephole2): New load/and/save->clr1 peephole.
511         (bclrx, bclrx2, bclr7, bclr15): New.
512         (bsetx, bsetx2, bset7, bset15): New.
513
514         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
515         liberal about acceptable 'B' masks.
516
517         * config/stormy16/stormy16-protos.h
518         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
519         xstormy16_below100_operand, xstormy16_below100_or_register,
520         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
521         (PREDICATE_CODES): Add new predicates.
522
523         * config/stormy16/stormy16.c
524         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
525         xstormy16_below100_operand, xstormy16_below100_or_register,
526         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
527         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
528         (xstormy16_legitimate_address_p): Allow below100 symbols.
529         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
530         (xstormy16_expand_move): Leave below100 operands as-is.
531         (xstormy16_encode_section_info): Encode below100 symbols.
532         (xstormy16_strip_name_encoding): New.
533         (xstormy16_print_operand): Print 'b' as shift mask.
534         (xstormy16_attribute_table): Add below100 attributes.
535         (xstormy16_handle_below100_attribute): New.
536
537         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
538         (XSTORMY16_SECTION_FUNCTION): New.
539         (EXTRA_SECTION_FUNCTIONS): Define using the above.
540         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
541         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
542         (ASM_OUTPUT_LABELREF): Define.
543
544         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
545         (movhi_internal): Add below100 support.
546         (andhi3): Add below100 support.
547         (iorhi3): Add below100 support.
548         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
549
550 2004-08-17  James E Wilson  <wilson@specifixinc.com>
551
552         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
553         of VOIDmode for comparison code mode.
554         * config/mips/mips.md: For conditional move patterns, use mode of
555         first compare operand for comparison mode, instead of VOIDmode.
556
557         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
558         normal and -ffast-math code.
559
560 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
561
562         PR c++/15871
563         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
564
565 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
566
567         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
568
569 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
570
571         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
572         for non Darwin targets.
573         (*call_value_nonlocal_darwin64): Likewise.
574
575 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
576
577         * config/rs6000/rs6000.c (rs6000_function_value): Check for
578         altivec mode for altivec return register.
579
580 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
581
582         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
583         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
584         * config/rs6000/rs6000.md: Include darwin.md.
585         (builtin_setjmp_receiver): Add DImode case.
586         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
587         Darwin bits.
588
589 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
590
591         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE trees.
592         * tree-vectorizer.h: New File: Same.
593         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
594         * common.opt (ftree-vectorize): New flag to enable vectorization.
595         * timevar.def (TV_TREE_VECTORIZATION): New dump file for vectorization
596         pass.
597         * tree-data-ref.h (init_data_ref): Additional argument.
598         (array_base_name_differ_p): Moved to tree-data-ref.c.
599         * tree-data-ref.c (array_base_name_differ_p): Revised.
600         (initialize_data_dependence_relation): Call array_base_name_differ_p
601         with an extra argument.
602         (analyze_all_data_dependences): Same.
603         (init_data_ref): Additional argument is_read to set DR_IS_READ.
604         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this file.
605         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
606         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
607         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
608         vectorization pass.
609         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
610         (tree_ssa_loop_done): Call scev_finalize.
611         (tree_vectorize): Define the new vectorization pass.
612         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the size of
613         the vector they support (until support for multiple vector sizes is
614         added to the vectorizer).
615         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
616         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
617         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
618         documentation.
619
620 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
621
622         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
623         usage.
624         (generate_protocol_list, handle_impent): Likewise.
625
626 2004-08-17  Roger Sayle  <roger@eyesopen.com>
627
628         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
629         ensure that call_used_regs is a superset of both fixed_regs and
630         call_really_used_regs.
631
632 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
633
634         PR target/17019
635         * arm.md (addsi3_cbranch_scratch): Correct case labels.
636
637 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
638
639         PR middle-end/17036
640         * fold-const.c (fold): Check for integer operand when
641         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
642         Pinski  <pinskia@physics.uc.edu>.
643
644 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
645
646         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
647         No need to check if in a cross configuration.
648         * configure: Regenerate.
649
650         * calls.c (precompute_register_parameters):
651         Inline preserve_subexpressions_p ().
652         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
653         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
654         Likewise.
655         * expr.c (get_subtarget): Likewise.
656         * rtl.h (preserve_subexpressions_p): Remove.
657         * stmt.c (preserve_subexpressions_p): Remove.
658
659         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
660         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
661         Abort on gimplified cases.
662
663 2004-08-16  James E Wilson  <wilson@specifixinc.com>
664
665         * tree.h (VECTOR_FLOAT_TYPE_P): New.
666         (FLOAT_TYPE_P): Use it.
667         * c-typeck.c (build_binary_op): After convert calls, check for
668         check for ERROR_MARK operands.
669
670 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
671
672         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
673         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
674         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
675         (genobjs static pattern rule): Remove %.c dependency.
676         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
677         Rename rules; delete commands; fix dependencies.
678         (mostlyclean): Do not delete temporary source copies.
679         * configure.ac: Delete all references to BUILD_PREFIX and
680         BUILD_PREFIX_1.
681         * configure: Regenerate.
682
683         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
684         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
685         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
686         with #ifndef GENERATOR_FILE so that nothing from those headers
687         is used.
688
689         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
690
691 2004-08-16  Adam Nemet  <anemet@lnxw.com>
692
693         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
694
695 2004-08-16  Andrew Pinski  <apinski@apple.com>
696
697         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
698         extraneous semicolon.
699
700 2004-08-16  Devang Patel  <dpatel@apple.com>
701
702         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
703         * print-tree.c (print_node): Print DECL_PRESERVE_P.
704         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
705         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
706         * target.h (struct gcc_target): New member, mark_decl_preserved.
707         * hooks.c (hook_void_charptr): Rename to ...
708         (hook_void_constcharptr): ... new name.
709         * hooks.h (hook_void_charptr): Rename to ..
710         (hook_void_constcharptr): ... new name.
711         * tree.h (DECL_PRESERVE_P): New #define.
712         (struct tree_decl): New member, preserve_flag.
713         * varasm.c (assemble_start_function): Mark decl preserved.
714         (assemble_variable): Same.
715         * darwin.c (darwin_mark_decl_preserved): New function.
716         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
717         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
718         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
719
720 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
721
722         * c-decl.c (grokdeclarator): Allow for function definition where
723         innermost declarator has attributes.
724
725 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
726
727         * except.c (get_exception_filter, build_post_landing_pads,
728         dw2_build_landing_pads): Use target-specific mode for 'filter'.
729         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
730         * target.h (eh_return_filter_mode): New field added.
731         * targhooks.c (default_eh_return_filter_mode): Defined.
732         * targhooks.h (default_eh_return_filter_mode): Declared.
733         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
734
735 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
736
737         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
738         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
739         * configure: Regenerate.
740
741 2004-08-16  Stan Shebs  <shebs@apple.com>
742
743         Basic support for 64-bit Darwin.
744         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
745         (machopic_legitimize_pic_address): Similarly, plus use Pmode
746         instead of SImode.
747         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
748         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
749         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
750         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
751         (PROCESSOR_DEFAULT64): Define.
752         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
753         Darwin.
754         * config/rs6000/rs6000.md: Include darwin.md.
755         (builtin_setjmp_receiver): Add DImode case.
756         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
757         Darwin.
758         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
759         (rs6000_emit_move): Add DImode case to Darwin bits.
760         (machopic_output_stub): Use .quad if 64-bit.
761         * invoke.texi: Document -m32 and -m64.
762
763 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
764
765         * doc/extend.texi (AltiVec builtins): Document additional differences
766         from the Motorola AltiVec PIM.
767
768 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
769
770         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
771         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
772         (struct tree_common): Update public_flag documentation.
773
774 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
775
776         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
777         Check for artificial variables, not is_gimple_tmp_var.
778         * tree-ssa-live.c (var_union): Likewise.
779
780 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
781
782         * calls.c (load_register_parameters): Remove spurious FIXME token.
783
784 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
785
786         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
787         (c-lang.o): Depend on c-objc-common.h.
788         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
789         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
790         * c-lang.c: Include c-objc-common.h.
791         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
792         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
793         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
794         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
795         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
796         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
797         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
798         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
799         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
800         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
801         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
802         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
803         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
804         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
805         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
806         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
807         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
808         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
809         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
810         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
811         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
812         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
813         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
814         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
815         Move to c-objc-common.h.
816         * c-objc-common.c: Include c-objc-common.h.
817         * c-objc-common.h: New file.
818
819 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
820             Andrew Pinski  <pinskia@physics.uc.edu>
821
822         PR target/14931
823         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
824         style.
825
826 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
827
828         * tree.h (build_int_cst): New.
829         (build_int_2): Remove.
830         * tree.c (build_int_2): Remove.
831         (build_int_cst): New.
832         (make_vector_type, build_common_tree_nodes,
833         build_common_tree_nodes_2): Use build_int_cst.
834         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
835         expand_builtin_strpbrk, expand_builtin_fputs,
836         build_string_literal, expand_builtin_printf,
837         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
838         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
839         fold_builtin_isdigit, simplify_builtin_strstr,
840         simplify_builtin_strpbrk, fold_builtin_fputs,
841         simplify_builtin_sprintf): Use build_int_cst.
842         * c-common.c (start_fname_decls, fix_string_type,
843         c_common_nodes_and_builtins, c_init_attributes,
844         shorten_compare): Likewise.
845         * c-decl.c (complete_array_type,
846         check_bitfield_type_and_width): Likewise.
847         * c-lex.c (interpret_integer, lex_charconst): Likewise.
848         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
849         * c-pretty-print.c (pp_c_integer_constant): Likewise.
850         * c-typeck.c (really_start_incremental_init, push_init_level,
851         set_nonincremental_init_from_string): Likewise.
852         * calls.c (load_register_parameters): Likewise.
853         * convert.c (convert_to_pointer): Likewise.
854         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
855         build_fn_info_type, build_ctr_info_value, build_gcov_info):
856         Likewise.
857         * except.c (init_eh, assign_filter_values, assign_filter_values):
858         Likewise.
859         * expmed.c (store_fixed_bit_field, extract_bit_field,
860         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
861         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
862         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
863         * expr.c (convert_move, emit_group_load, emit_group_store,
864         expand_assignment, store_constructor, store_field,
865         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
866         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
867         invert_truthvalue, optimize_bit_field_compare,
868         decode_field_reference, all_ones_mask_p, constant_boolean_node,
869         fold_div_compare, fold, fold_read_from_constant_string,
870         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
871         * function.c (assign_parm_setup_block): Likewise.
872         * stmt.c (shift_return_value, expand_end_case_type,
873         estimate_case_costs): Likewise.
874         * stor-layout.c (layout_type, initialize_sizetypes,
875         set_min_and_max_values_for_integral_type): Likewise.
876         * tree-chrec.c (chrec_fold_multiply_poly_poly,
877         reset_evolution_in_loop): Likewise.
878         * tree-chrec.h (build_polynomial_chrec): Likewise.
879         * tree-complex.c (build_replicated_const): Likewise.
880         * tree-eh.c (honor_protect_cleanup_actions,
881         lower_try_finally_onedest, lower_try_finally_copy,
882         lower_try_finally_switch): Likewise.
883         * tree-mudflap.c (mf_build_string, mx_register_decls,
884         mudflap_register_call, mudflap_enqueue_constant): Likewise.
885         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
886         * tree-pretty-print.c (dump_generic_node): Likewise.
887         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
888         Likewise.
889         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
890         * tree-ssa-loop-niter.c (number_of_iterations_cond,
891         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
892         Likewise.
893
894         * config/alpha/alpha.c (alpha_initialize_trampoline,
895         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
896         * config/arm/arm.c (arm_get_cookie_size): Likewise.
897         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
898         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
899         * config/i860/i860.c (i860_va_start): Likewise.
900         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
901         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
902         mips_gimplify_va_arg_expr): Likewise.
903         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
904         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
905         add_compiler_branch_island): Likewise.
906         * config/s390/s390.c (s390_va_start): Likewise.
907         * config/sh/sh.c (sh_va_start): Likewise.
908         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
909         Likewise.
910         * config/xtensa/xtensa.c (xtensa_va_start,
911         xtensa_gimplify_va_arg_expr): Likewise.
912
913         * objc/objc-act.c (build_objc_string_object,
914         build_objc_symtab_template, init_def_list, init_objc_symtab,
915         init_module_descriptor, generate_static_references,
916         build_selector_translation_table, get_proto_encoding,
917         build_typed_selector_reference, build_selector_reference,
918         build_next_objc_exception_stuff,
919         build_method_prototype_list_template, generate_descriptor_table,
920         generate_protocols, build_protocol_initializer,
921         build_ivar_list_template, build_method_list_template,
922         build_ivar_list_initializer, generate_ivars_list,
923         generate_dispatch_table, generate_protocol_list,
924         build_category_initializer, build_shared_structure_initializer,
925         generate_shared_structures, handle_impent,
926         generate_objc_image_info): Use build_int_cst.
927
928 2004-08-15  Ben Elliston  <bje@au.ibm.com>
929
930         * vec.h: Comment improvements.
931
932 2004-08-14  Roger Sayle  <roger@eyesopen.com>
933
934         * c-common.c (shorten_compare, pointer_int_sum,
935         c_common_truthvalue_conversion, boolean_increment): Replace calls
936         to build with calls to buildN.
937         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
938         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
939         gimplify_switch_stmt): Likewise.
940         * c-typeck.c (default_function_array_conversion,
941         build_component_ref, build_array_ref, build_function_call,
942         pointer_diff, build_unary_op, build_conditional_expr,
943         build_compound_expr, build_modify_expr, c_finish_goto_label,
944         c_finish_goto_ptr, c_finish_return, c_finish_loop,
945         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
946         build_binary_op): Likewise.
947
948 2004-08-15  Steven Bosscher  <stevenb@suse.de>
949
950         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
951
952 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
953
954         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
955         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
956         * fixinc/fixincl.x: Rebuilt.
957
958 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
959
960         * config/mips/mips-protos.h (mips_symbolic_constant_p)
961         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
962         (mips_small_data_pattern_p): Declare.
963         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
964         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
965         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
966         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
967         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
968         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
969         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
970         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
971         (pc_or_label_operand, call_insn_operand, move_operand)
972         (consttable_operand, symbolic_operand, general_symbolic_operand)
973         (global_got_operand, local_got_operand, stack_operand)
974         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
975         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
976         (mips_small_data_pattern_p): Replace previous small_data_pattern
977         predicate.  Turn into a bool () (rtx) function.
978         * config/mips/predicates.md: New file.
979         * config/mips/mips.md: Include it.  Use the target-independent
980         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
981         trap_comparison_operator and equality_op to equality_operator.
982         Replace uses of small_int with the equivalent const_arith_operand.
983         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
984         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
985         to fcc_reload_operand.
986         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
987
988 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
989
990         PR libstdc++/17005 partial fix.
991         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
992         except when generating ANSI/C89 code.
993
994 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
995
996         * c-common.c (shorten_compare): Use force_fit_type directly.
997
998 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
999             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
1000             Dave Korn  <dk@artimi.com>
1001
1002         * doc/install.texi (Building): Avoid duplicate reference to GNU
1003         make requirement.
1004         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
1005
1006 2004-08-14  Richard Henderson  <rth@redhat.com>
1007
1008         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
1009         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
1010
1011 2004-08-13  Richard Henderson  <rth@redhat.com>
1012
1013         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
1014         for constant_call_address_operand.
1015         (call_value_pop_1, call_value_1): Likewise.
1016         (sibcall_value_1, call_value_1_rex64): Likewise.
1017
1018 2004-08-13  James E Wilson  <wilson@specifixinc.com>
1019
1020         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
1021         Correct mode from SFmode to DFmode.
1022
1023 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
1024
1025         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
1026         __cstring_object and __image_info sections with the no_dead_strip
1027         attribute.
1028
1029 2004-08-13  Roger Sayle  <roger@eyesopen.com>
1030             David Billinghurst  <David.Billinghurst@riotinto.com>
1031
1032         PR libgfortran/15930
1033         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
1034         * fixinc/fixincl.x: Regenerate.
1035         * fixinc/tests/base/internal/math_core.h: New file.
1036
1037 2004-08-13  Richard Henderson  <rth@redhat.com>
1038
1039         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
1040         (dbxout_function_end): Remove ifdefs for it.
1041         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
1042
1043 2004-08-13  Richard Henderson  <rth@redhat.com>
1044
1045         * Makefile.in (insn-preds.o): Depend on TREE_H.
1046         * genpreds.c (write_insn_preds_c): Include tree.h.
1047         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
1048         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
1049         const48_operand, and_operand, or_operand, mode_width_operand,
1050         mode_mask_operand, mul8_operand, const0_operand,
1051         hard_fp_register_operand, hard_int_register_operand,
1052         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
1053         samegp_function_operand, direct_call_operand, small_symbolic_operand,
1054         global_symbolic_operand, call_operand, symbolic_operand,
1055         dtp16_symbolic_operand, dtp32_symbolic_operand,
1056         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
1057         gottp_symbolic_operand, alpha_comparison_operator,
1058         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
1059         signed_comparison_operator, alpha_fp_comparison_operator,
1060         divmod_operator, fix_operator, aligned_memory_operand,
1061         unaligned_memory_operand, reg_or_unaligned_mem_operand,
1062         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
1063         reg_no_subreg_operand, addition_operation): Move to predicates.md.
1064         (reg_or_const_int_operand): Remove.  Replace all users with
1065         reg_or_cint_operand.
1066         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
1067         (resolve_reload_operand): Split out of aligned_memory_operand.
1068         * config/alpha/alpha-protos.h: Update for exports.
1069         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
1070         * config/alpha/alpha.md: Include predicates.md.
1071         * config/alpha/predicates.md: New file.
1072
1073 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
1074
1075         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
1076         fields with a pointer to the instruction definition.
1077         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
1078         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
1079         (write_attr_case, write_const_num_delay_slots): Update accordingly.
1080         (write_attr_case, write_const_num_delay_slots): Write the name of
1081         an insn next to its case statement.
1082         * genoutput.c (data): Add a filename field.
1083         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
1084         (output_insn_data): Print the location of each insn definition.
1085         * genrecog.c (write_action): Print the name of an insn above
1086         the statement that returns its code.
1087
1088 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
1089
1090         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
1091         * config/libgloss.h: Likewise.
1092         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
1093         * c4x/c4x-modes.def: Likewise.
1094         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
1095         (c4x_rptb_nop_p): Likewise.
1096         (c4x_rptb_valid_p): Likewise.
1097         (c4x_rptb_insert): Likewise.
1098         (c4x_address_conflict): Likewise.
1099         * config/c4x/c4x.md: Likewise.
1100         * config/frv/frv.md: Likewise.
1101         * config/i386/athlon.md: Likewise.
1102         * config/i386/i386.md: Likewise.
1103         * config/i386/predicates.md: Likewise.
1104         * config/ia64/ia64.c: Likewise.
1105         * config/ia64/itanium1.md: Likewise.
1106         * config/ia64/itanium2.md: Likewise.
1107         * config/iq2000/iq2000.md: Likewise.
1108         * config/mcore/mcore.c: Likewise.
1109         * config/mips/mips.c: Likewise.
1110         * config/mips/r3900.h: Likewise.
1111         * config/mips/sb1.md: Likewise.
1112         * config/pa/milli64.S: Likewise.
1113         * config/pa/pa.c: Likewise.
1114         * config/pa/pa.h: Likewise.
1115         * config/rs6000/8540.md: Likewise.
1116
1117 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
1118
1119         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
1120
1121 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
1122
1123         * sh.md (cbranch define_delay) Use cond_delay_slot for
1124         non-anulled condition too.
1125
1126 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
1127
1128         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
1129         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
1130         any_parallel_operand, lmw_operation, stmw_operation,
1131         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
1132         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
1133         any_parallel_operand.
1134         (return_and_restore_fpregs_{si,di}): Same.
1135
1136 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
1137
1138         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
1139         if pred->singleton != PARALLEL, issue a warning and pretend it was.
1140         Also issue a warning for any predicate we don't know about.
1141
1142 2004-08-12  Richard Henderson  <rth@redhat.com>
1143
1144         * config/i386/i386.c (internal_label_prefix): Export.
1145         (internal_label_prefix_len, struct ix86_address,
1146         ix86_decompose_address, maybe_get_pool_constant,
1147         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
1148         memory_address_length): Export.
1149         (any_fp_register_operand, fp_register_operand,
1150         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
1151         x86_64_general_operand, x86_64_szext_general_operand,
1152         x86_64_nonmemory_operand, x86_64_movabs_operand,
1153         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
1154         x86_64_zext_immediate_operand, const_int_1_31_operand,
1155         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
1156         tls_symbolic_operand, global_dynamic_symbolic_operand,
1157         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
1158         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
1159         constant_call_address_operand, const0_operand, const1_operand,
1160         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
1161         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
1162         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
1163         general_no_elim_operand, nonmemory_no_elim_operand,
1164         index_register_operand, q_regs_operand, flags_reg_operand,
1165         non_q_regs_operand, zero_extended_scalar_load_operand,
1166         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
1167         ix86_comparison_operator, ix86_carry_flag_operator,
1168         fcmov_comparison_operator, promotable_binary_operator,
1169         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
1170         mult_operator, div_operator, arith_or_logical_operator,
1171         memory_displacement_operand, cmpsi_operand, long_memory_operand,
1172         aligned_operand): Move to predicates.md as define_predicates.
1173         (tls_symbolic_operand_1): Remove.
1174         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
1175         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
1176         (legitimize_address): Merge tls_symbolic_operand contents.
1177         (ix86_expand_move): Likewise.
1178         * config/i386/i386-protos.h: Update for exports.
1179         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
1180         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
1181         * config/i386/i386.md: Include predicates.md.
1182         * config/i386/predicates.md: New file.
1183
1184 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
1185
1186         PR c++/16924
1187         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
1188         SYMBOL_REF_DECL.
1189         (i386_pe_mark_dllimport): Likewise.
1190         (i386_pe_encode_section_info): Likewise, when overriding
1191         dllimport attribute.
1192
1193 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
1194
1195         * configure.ac: When testing for flex, nm, ar, and bison, check
1196         that they will actually be built.
1197         * configure: Regenerate.
1198
1199 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
1200
1201         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
1202         (MOVE_MAX_PIECES): Define.
1203
1204 2004-08-12  Devang patel  <dpatel@apple.com>
1205
1206         * dbxout.c (dbxout_begin_prologue): New function.
1207         (dbx_debug_hooks): Use new begin prologue hook.
1208         (dbxout_function_end): Emit N_ENSYM.
1209         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
1210
1211 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
1212
1213         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
1214         argument is float*.
1215
1216         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
1217         for vec_dss.
1218
1219         * doc/extend.texi (AltiVec builtins): Fix description for recent
1220         changes.  Update operation list to match current support.
1221
1222 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1223
1224         * config/s390/s390.c (struct s390_frame_layout): New struct as element
1225         of struct machine_function.
1226         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
1227         changed all uses.
1228         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
1229         changed all uses.
1230         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
1231         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
1232         (s390_frame_area, s390_register_info): New functions.
1233         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
1234         for base register.
1235         (s390_return_addr_rtx, s390_return_address_offset)
1236         (s390_va_start, s390_gimplify_va_arg)
1237         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
1238         layouts.
1239         (s390_frame_info): Functionality partly moved to s390_register_info.
1240         Made adaptions for new stack layout.
1241         (save_gprs, restore_gprs): Changed meaning of second parameter and
1242         adapted all callers.
1243
1244         * config/s390/s390.h (s390_backchain_string): New global variable.
1245         (MASK_BACKCHAIN): Removed definition.
1246         (TARGET_BACKCHAIN): Changed check.
1247         (TARGET_KERNEL_BACKCHAIN): New macro.
1248         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
1249         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
1250         "kernel-backchain".
1251         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
1252
1253         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
1254         as condition.  Adjusted for new stack layout.
1255
1256         * doc/invoke.texi: Added documentation for new option
1257         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
1258         "-mno-backchain".
1259
1260 2004-08-12  Paul Brook  <paul@codesourcery.com>
1261
1262         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
1263         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
1264
1265 2004-08-12  David Daney  <ddaney@avtrex.com>
1266
1267         * java/gcj.texi:  Add subsection on signal usage.
1268
1269 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
1270
1271         * expr.c (move_by_pieces): Set alignment for move to minimum of
1272         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
1273         alignment, but not less than the original alignment.
1274         (move_by_pieces_ninsns): Same.
1275         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
1276         (store_by_pieces_1): Same.
1277
1278 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
1279
1280         PR tree-optimization/16867
1281         * tree.c (is_global_var): New function.
1282         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
1283         Call is_global_var.
1284         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
1285         Update all users.
1286         (is_global_var): Declare.
1287         * tree-dfa.c (dump_variable): Display global and addressable
1288         attributes.
1289         (add_referenced_var): Clarify documentation when marking
1290         variables call-clobbered.
1291         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
1292         instead of needs_to_live_in_memory.
1293         (mark_call_clobbered): If the variable is a tag, mark it
1294         DECL_EXTERNAL.
1295         * tree-gimple.c (is_gimple_reg): Don't check for
1296         TREE_ADDRESSABLE.
1297         (is_gimple_non_addressable): Likewise.
1298         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
1299         needs to be marked call-clobbered.
1300         (setup_pointers_and_addressables): Call is_global_var instead
1301         of needs_to_live_in_memory.
1302         * tree-ssa-dce.c (need_to_preserve_store): Remove.
1303         Update all users with is_global_var.
1304         (mark_stmt_if_obviously_necessary): Fix processing of aliased
1305         stores.  Don't check the virtual definitions.  Rather, check
1306         whether the store is going into global memory.
1307         (find_obviously_necessary_stmts): Get the symbol from the PHI
1308         result.
1309         * tree-ssa-operands.c (get_call_expr_operands): Do not add
1310         clobbering may-defs if the call does not have side effects.
1311
1312 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
1313
1314         PR c++/16276
1315         * output.h (default_function_rodata_section,
1316         default_no_function_rodata_section): New prototypes.
1317         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
1318         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
1319         (TARGET_ASM_OUT): Add it.
1320         * varasm.c (default_function_rodata_section,
1321         default_no_function_rodata_section): New functions.
1322         * final.c (final_scan_insn): Call
1323         targetm.asm_out.function_rodata_section instead of
1324         readonly_data_section.
1325         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
1326         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1327         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1328         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1329         Likewise.
1330         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1331         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1332         Likewise.
1333         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1334         Likewise.
1335         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1336         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1337         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
1338
1339 2004-08-12  Paul Brook  <paul@codesourcery.com>
1340
1341         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
1342         frame info.
1343         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
1344         DWARF2_UNWIND_INFO.
1345
1346 2004-08-12  Ben Elliston  <bje@au.ibm.com>
1347
1348         PR target/16286
1349         * config/rs6000/altivec.h: Change vector to __vector throughout.
1350         (Except for the `vector' macro itself).
1351
1352 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
1353
1354         * genpreds.c: Add capability to generate predicate bodies as
1355         well as function prototypes.  Write function prototypes for
1356         the generic predicates too.
1357         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
1358         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
1359         (write_match_code, write_predicate_expr, write_one_predicate_function)
1360         (parse_option): New functions.
1361         (output_predicate_decls): Delete.
1362         (main): Read the machine description, process DEFINE_PREDICATE or
1363         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
1364         as appropriate.
1365
1366         * genrecog.c (struct decision_test): Replace index with
1367         struct pred_data pointer.
1368         (next_index): Remove, unused.
1369         (pred_table, preds, special_mode_pred_table): Delete.
1370         (compute_predicate_codes, process_define_predicate): New functions.
1371         (validate_pattern, add_to_sequence, write_switch): Update for
1372         new data structures.
1373         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
1374         Check both error_count and have_error.
1375
1376         * gensupport.c (in_fname, first_predicate): New globals.
1377         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
1378         (predicate_table, last_predicate, old_pred_table)
1379         (old_special_pred_table): New statics.
1380         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
1381         (add_predicate, init_predicate_table): New functions.
1382         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
1383         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
1384         it or max_include_len.  Call init_predicate_table.
1385         (read_rtx): Run the predicate queue after the attribute queue
1386         but before all the others.
1387         * gensupport.h (in_fname, struct pred_data, first_predicate)
1388         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
1389         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
1390         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
1391         * dummy-conditions.c: Don't include bconfig.h, system.h,
1392         coretypes.h, tm.h, or system.h.  Do include stddef.h.
1393         Duplicate declaration of struct c_test from gensupport.h.
1394
1395         * Makefile.in (OBJS-common): Add insn-preds.o.
1396         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
1397         (insn-preds.c, insn-preds.o): New rules.
1398         (s-preds): Also generate insn-preds.c.
1399         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
1400         Update dependencies.
1401         (print-rtl.o, print-rtl1.o): Correct dependencies.
1402
1403         * recog.h: Delete prototypes of predicate functions.
1404
1405         * doc/md.texi (Predicates): New section with complete
1406         documentation of operand/operator predicates.  Remove some
1407         incomplete documentation of predicates from other places.
1408         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
1409         PREDICATE_CODES; indicate that both are deprecated in favor
1410         of define_predicate/define_special_predicate.
1411
1412         * config/ia64/ia64.c: All predicate function definitions moved
1413         to ia64.md, except
1414         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
1415         (ia64_expand_load_address, ia64_expand_move):
1416         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
1417
1418         * config/ia64/ia64.md: All predicates now defined here.
1419         (symbolic_operand): Is now a special predicate.
1420
1421         * config/ia64/ia64.h: Declare ia64_section_threshold.
1422         (PREDICATE_CODES): Delete.
1423
1424 2004-08-12  Richard Henderson  <rth@redhat.com>
1425
1426         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
1427         * c-semantics.c (add_stmt): Set it.
1428         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
1429         before instantiating a variable sized type.
1430
1431 2004-08-12  Richard Henderson  <rth@redhat.com>
1432
1433         * stor-layout.c (round_up, round_down): Move ...
1434         * fold-const.c (round_up, round_down): ... here.  Use
1435         multiple_of_p to avoid any arithmetic at all.
1436
1437 2004-08-12  Richard Henderson  <rth@redhat.com>
1438
1439         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
1440         (gimplify_init_ctor_preeval_1): New.
1441         (gimplify_init_ctor_preeval): New.
1442         (gimplify_init_ctor_eval): New.
1443         (gimplify_init_constructor): Use them.  Always gimplify the LHS
1444         object first.
1445
1446 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
1447
1448         (This patch is part of merge of objc-improvements-branch
1449         into mainline.)
1450
1451         * doc/frontends.texi: Mention Objective-C++ in addition to
1452         Objective-C.
1453         * doc/install.texi: Add 'obj-c++' to list of configurable
1454         languages.
1455         * doc/invoke.texi: Rename Objective-C option headings to
1456         indicate they also apply to Objective-C++.  List file
1457         extensions for Objective-C++ sources.  Mention that
1458         ObjC and ObjC++ compilations may also use C and C++ options,
1459         respectively.  Point users to doc/standards.texi for
1460         further info on ObjC and ObjC++.
1461         * doc/sourcebuild.texi: Mention the objcp/ directory and
1462         the Objective-C++ sources it contains.
1463         * doc/standards.texi: Update link to Apple ObjC site;
1464         add link to gcc readings.html WWW doc.
1465
1466 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
1467
1468         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
1469         and 2004-07-14 changes.
1470
1471 2004-08-12  Paul Brook  <paul@codesourcery.com>
1472
1473         * doc/invoke.texi: Fix typo.
1474
1475 2004-08-11 Devang Patel  <dpatel@apple.com>
1476
1477         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
1478         and -no_dead_strip_inits_and_terms.
1479         (LINK_SPEC): Same.
1480         * doc/invoke.texi (Darwin Options): Document -dead_strip and
1481         -no_dead_strip_inits_and_terms.
1482
1483 2004-08-11  Paul Brook  <paul@codesourcery.com>
1484
1485         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
1486         (arm_load_pic_register): ... to this.
1487         * config/arm/arm.c (arm_finalize_pic): Rename ...
1488         (arm_load_pic_register): ... to this.  Always output insns at the
1489         current location.  Load via low reg in thumb mode.
1490         (arm_expand_prologue): Call arm_load_pic_register.
1491         (thumb_expand_prologue): Ditto.
1492         * config/arm/arm.h (FINALIZE_PIC): Remove.
1493         * config/arm/arm.md (builtin_setjmp_receiver): Call
1494         arm_load_pic_register.
1495
1496 2004-08-11  Paul Brook  <paul@codesourcery.com>
1497
1498         * arm.c (thumb_force_lr_save): Add prototype.
1499         (thumb_compute_save_reg_mask): New function.
1500         (thumb_find_work_register): New function.
1501         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
1502         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
1503         Don't clobber r3 when removing pretend args.
1504         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
1505         (thumb_output_function_prologue): Use new functions.
1506         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
1507         * arm.h (THUMB_REG_PUSHED_P): Remove.
1508
1509 2004-08-11  James E Wilson  <wilson@specifixinc.com>
1510
1511         PR rtl-optimization/16490
1512         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
1513         global_live_at_end for new basic block if already set for other blocks.
1514
1515 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
1516
1517         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
1518
1519         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
1520         (mfcr rlwinm rlwinm patterns): Set length to 12.
1521
1522 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
1523
1524         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
1525         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
1526         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
1527         (start_ssa_stmt_operands): Delete.
1528         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
1529         struct stmt_operands_d.
1530         (build_ssa_operands): New extern entry point.
1531         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
1532         building code, replace with create_ssa_artficial_load_stmt().
1533         * tree-ssa-operands.c (struct voperands_d): Delete.
1534         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
1535         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
1536         (free_uses, free_defs, free_vuses, free_v_may_defs,
1537         free_v_must_defs): Remove dealloc parameter.
1538         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
1539         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
1540         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
1541         vector comparisons, ssa_name reuse, and allocations here.
1542         (verify_start_operands): Delete.
1543         (finalize_ssa_stmt_operands): Set new operands by calling finalize
1544         routines.
1545         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
1546         (append_def, append_usei): Simplify to simple accumulation.
1547         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
1548         duplicates and simple accumulation.
1549         (free_ssa_operands): Free vectors in a stmt_operand structure.
1550         (build_ssa_operands): New. Create a new stmt_operand structure from
1551         a stmt and an old set of stmt_operands.
1552         (get_stmt_operands): Simplify and call build_ssa_operands.
1553         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
1554         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
1555         add_call_read_ops): Don't pass prev_vops around anymore.
1556         (note_addressable): Return if no stmt annotation.
1557         (copy_virtual_operands): Access v_may_def operands through a struct.
1558         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
1559         hash tables without treating the stmt as a real stmt.
1560         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
1561         v_may_def def and use through a struct instead of 2 array elements.
1562         (struct v_may_def_optype_d): Use v_may_def_operand_type.
1563         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
1564
1565 2004-08-11  Nick Clifton  <nickc@redhat.com>
1566
1567         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
1568         this funciton's behaviour.  Return true when the current function
1569         has a section attribute and -mlong-calls is in effect.
1570         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
1571         short-call marker when -mlong-calls is in effect and the function
1572         has a section attribute.
1573
1574 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
1575
1576         * stmt.c (expand_return): If asked to return the RESULT_DECL,
1577         just call expand_value_return on result_rtl.
1578
1579 2004-08-10  Richard Henderson  <rth@redhat.com>
1580
1581         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
1582         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
1583         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
1584         (add_location_or_const_value_attribute): ... not here.  Use
1585         loc_descriptor_from_tree if possible.
1586         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
1587         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
1588         values specially.
1589         (loc_descriptor_from_tree): New.  Update callers.
1590         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
1591         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
1592         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
1593         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
1594         and BUILT_IN_STACK_RESTORE.
1595         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
1596         * stmt.c (expand_stack_alloc): Remove.
1597         * tree-mudflap.c (mx_register_decls): Don't look for
1598         BUILT_IN_STACK_ALLOC.
1599         * tree-nested.c (convert_local_reference): Likewise.
1600         * tree.h (DECL_VALUE_EXPR): New.
1601
1602 2004-08-10  Richard Henderson  <rth@redhat.com>
1603
1604         * stor-layout.c (round_up): Check for 0/1 before dividing.
1605         (round_down): Likewise.
1606
1607         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
1608
1609 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
1610
1611         * config.gcc (arm*-*-eabi*): New target.
1612         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
1613         (TARGET_LIB_INT_CMP_BIASED): Likewise.
1614         * expmed.c (expand_divmod): Try a two-valued divmod function as a
1615         last resort.
1616         * gthr.h: Remove bogus tokens at end of #pragma.
1617         * optabs.c (expand_twoval_binop_libfunc): New function.
1618         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
1619         (prepare_float_lib_cmp): Try reversing the condition.
1620         (debug_optab_libfuncs): New function.
1621         * optabs.h (expand_twoval_binop_libfunc): Declare.
1622         * config/arm/arm.c (arm_init_libfuncs): New function.
1623         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
1624         (TARGET_INIT_LIBFUNCS): Define it.
1625         * config/arm/arm.h (TARGET_BPABI): New macro.
1626         * config/arm/arm-protos.h
1627         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
1628         * config/arm/bpabi.S: New file.
1629         * config/arm/bpabi.c: Likewise.
1630         * config/arm/bpabi.h: Likewise.
1631         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
1632         (__aeabi_drsub): Likewise.
1633         (__aeabi_dsub): Likewise.
1634         (__aeabi_dadd): Likewise.
1635         (__aeabi_ui2d): Likewise.
1636         (__aeabi_i2d): Likewise.
1637         (__aeabi_f2d): Likewise.
1638         (__aeabi_dmul): Likewise.
1639         (__aeabi_ddiv): Likewise.
1640         (__aeabi_cdrcmple): Likewise.
1641         (__aeabi_cdcmpeq): Likewise.
1642         (__aeabi_cdcmple): Likewise.
1643         (__aeabi_dcmpeq): Likewise.
1644         (__aeabi_dcmplt): Likewise.
1645         (__aeabi_dcmple): Likewise.
1646         (__aeabi_dcmpge): Likewise.
1647         (__aeabi_dcmpgt): Likewise.
1648         (__aeabi_dcmpun): Likewise.
1649         (__aeabi_d2iz): Likewise.
1650         (__aeabi_d2uiz): Likewise.
1651         (__aeabi_d2f): Likewise.
1652         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
1653         (__aeabi_frsub): Likewise.
1654         (__aeabi_fsub): Likewise.
1655         (__aeabi_fadd): Likewise.
1656         (__aeabi_ui2f): Likewise.
1657         (__aeabi_i2f): Likewise.
1658         (__aeabi_fmul): Likewise.
1659         (__aeabi_fdiv): Likewise.
1660         (__aeabi_cfrcmple): Likewise.
1661         (__aeabi_cfcmpeq): Likewise.
1662         (__aeabi_cfcmple): Likewise.
1663         (__aeabi_fcmpeq): Likewise.
1664         (__aeabi_fcmplt): Likewise.
1665         (__aeabi_fcmple): Likewise.
1666         (__aeabi_fcmpge): Likewise.
1667         (__aeabi_fcmpgt): Likewise.
1668         (__aeabi_fcmpun): Likewise.
1669         (__aeabi_f2iz): Likewise.
1670         (__aeabi_f2uiz): Likewise.
1671         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
1672         (__aeabi_uidivmod): New function or alias.
1673         (__aeabi_idivmod): Likewise.
1674         (__aeabi_idiv0): Likewise.
1675         (__aeabi_ldiv0): Likewise.
1676         (__aeabi_llsr): Likewise.
1677         (__aeabi_lasr): Likewise.
1678         (__aeabi_llsl): Likewise.
1679         (bpabi.S): Include it.
1680         * config/arm/libgcc-bpabi.ver: New file.
1681         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
1682         (LINK_SPEC): Remove.
1683         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
1684         __aeabi_ulcmp.
1685         * config/arm/t-bpabi: New file.
1686         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
1687         (TARGET_LIB_INT_CMP_BIASED): Likewise.
1688
1689 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
1690
1691         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
1692         * config/rs6000/rs6000.md (clrmemsi): New pattern.
1693         * config/rs6000/rs6000.c (expand_block_clear): New function.
1694         (expand_block_move): Convert alignment to bits.  Use SImode and
1695         HImode for unaligned addresses if not STRICT_ALIGNMENT.
1696
1697 2004-08-10  Caroline Tice  <ctice@apple.com>
1698
1699         * varasm.c (unlikely_section_label): New global variable.
1700         (unlikely_text_section_name): New global variable.
1701         (text_section):  Remove alignment statement.
1702         (unlikely_text_section): Remove alignment statement; use
1703         unlikely_section_label rather than hard-coded string.
1704         (assemble_start_function): Initialize unlikely_section_label and
1705         unlikely_text_section_name;  make sure cold section is properly
1706         aligned at start of function; output unlikely_section_label if
1707         appropriate.
1708
1709 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
1710
1711         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
1712         * config/s390/s390.c (s390_canonicalize_comparison): New function.
1713         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
1714         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
1715         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
1716         ("*tmqi_mem"): Remove SUBREG from pattern.
1717         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
1718         ("*andsi3_cconly"): Likewise.
1719
1720 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1721
1722         PR target/16909
1723         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
1724
1725 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
1726
1727         * doc/sourcebuild.texi (compat testing): Document available test
1728         framework commands.  Use the preferred spelling of DejaGnu.
1729
1730 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
1731
1732         * lambda.h: Add matrix type, and prototypes for remainder of
1733         matrix and vector functions.
1734         (lambda_vector_mult_const): New function.
1735         (lambda_vector_negate): Ditto.
1736         (lambda_vector_add): Ditto.
1737         (lambda_vector_add_mc): Ditto.
1738         (lambda_vector_copy): Ditto.
1739         (lambda_vector_zerop): Ditto.
1740         (lambda_vector_equal): Ditto.
1741         (lambda_vector_min_nz): Ditto.
1742         (lambda_vector_first_nz): Ditto.
1743         (lambda_vector_matrix_mult): Ditto.
1744         * lambda-mat.c: New file.
1745         * Makefile.in (lambda-mat.o): New.
1746
1747 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
1748
1749         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
1750         after linking stmt into the program.
1751         (bsi_remove): Don't call modify_stmt.
1752         * tree-complex.c (update_complex_assignment,
1753         expand_complex_comparison): Call modify_stmt after changing the stmt.
1754         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
1755         removing the stmt.
1756         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
1757         the stmt, and only if needed.
1758         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
1759         expression.
1760         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
1761         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
1762         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
1763         (eliminate_redundant_computations): Don't pass an annotation. Call
1764         modify_stmt rather than setting the annotation directly.
1765         (record_equivalences_from_stmt): Remove unused local 'j'.
1766         (cprop_operand): Take a stmt rather than an annotation as a parameter.
1767         Call modify_stmt.
1768         (cprop_into_stmt): Pass stmt rather than annotation.
1769         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
1770         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
1771         modify_stmt.
1772         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
1773
1774 2004-08-10  Jason Merrill  <jason@redhat.com>
1775
1776         PR middle-end/16948
1777         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
1778         the RESULT_DECL.
1779
1780 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
1781
1782         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
1783         hash function.
1784
1785 2004-08-10  Roger Sayle  <roger@eyesopen.com>
1786
1787         * config/mips/mips.md: New reciprocal square root patterns that
1788         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
1789
1790 2004-08-10  Paul Brook  <paul@codesourcery.com>
1791
1792         * config/arm/arm-protos.h (arm_set_return_address,
1793         thumb_set_return_address): Add prototypes.
1794         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
1795         * config/arm/arm.c (arm_compute_func_type,
1796         use_return_insn, arm_compute_save_reg0_reg12_mask,
1797         arm_compute_save_reg_mask, arm_output_function_prologue,
1798         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
1799         current_function_calls_eh_return.
1800         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
1801         old eh code.
1802         (arm_set_return_address, thumb_set_return_address): New functions.
1803         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
1804         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
1805         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
1806         (epilogue): Use the stackadj register.
1807         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
1808
1809 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
1810
1811         PR target/3144
1812         * expr.c (move_by_pieces_ninsns): Add max_size argument.
1813         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
1814         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
1815         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
1816         but using MOVE_RATIO.
1817         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
1818         (can_store_by_pieces): Change max_size type to unsigned int.
1819         (store_by_pieces_1): Likewise.  Pass max_size to
1820         move_by_pieces_ninsns.
1821         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
1822         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
1823         to move_by_pieces_ninsns.
1824         (STORE_BY_PIECES_P): Define.
1825         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
1826         to move_by_pieces_ninsns.
1827         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
1828
1829         * config/i386/i386.h (CLEAR_RATIO): Define.
1830
1831 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1832
1833         * expr.c (expand_expr_real_1): Add back code that was not dead.
1834
1835 2004-08-09  Andrew Pinski  <apinski@apple.com>
1836
1837         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
1838         which is found to be compatible before returning the aliasing set.
1839
1840 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
1841
1842         * ggc-zone.c (struct alloc_zone): Add statistics counters.
1843         (always_collect): New flag.
1844         (ggc_alloc_zone_1): Update statistics support.  Don't include
1845         overhead in allocated counter.
1846         (sweep_pages): Update allocated counter for large pages.  Don'y
1847         include overhead.
1848         (ggc_collect_1): Always collect.
1849         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
1850         whether to collect.
1851         (SCALE, LABEL): New macros.
1852         (ggc_print_statistics): Add statistics support.
1853
1854 2004-08-09  Roger Sayle  <roger@eyesopen.com>
1855
1856         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
1857         (init_expmed): Fix potential overrun problem with "all.reg".
1858         (expand_sdiv2_pow2): Add an alternate implementation for signed
1859         division, if the target provides a suitable conditional move insn.
1860
1861 2004-08-09  Paul Brook  <paul@codesourcery.com>
1862         Richard Henderson  <rth@redhat.com>
1863
1864         * unwind-dw2.c (uw_install_context_1): Update target saved stack
1865         pointer.
1866
1867 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
1868
1869         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
1870         Check DATA limit only if there's no AS limit.  Ignore insanely
1871         low DATA limits.
1872         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
1873         but take care that the AS limit isn't overrun.
1874         * doc/invoke.texi: Update documentation of min-heapsize parameter.
1875
1876 2004-08-09  Jeff Law  <law@redhat.com>
1877
1878         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
1879         (tree-ssa-threadupdate.o): Add dependencies.
1880         * tree-ssa-threadupdate.c: New file.
1881         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
1882         (rewrite_vars_out_of_ssa): Remove prototype.
1883         (cleanup_tree_cfg): Returns a bool.
1884         * tree.h (thread_through_all_blocks): Prototype.
1885         * tree-outof-ssa.c  (SSANORM_*): Move into here.
1886         (remove_ssa_form): Now static.
1887         (rewrite_vars_out_of_ssa): Kill.
1888         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
1889         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
1890         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
1891         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
1892         anything was changed.
1893         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
1894         from the PHI's annotation rather than the edge associated with
1895         the new argument.
1896         * tree-ssa-dom.c (redirection_edges): Kill.
1897         (redirect_edges_and_update_ssa_graph): Kill.
1898         (tree_ssa_dominator_optimize): Do not reset forwardable flag
1899         for blocks anymore.  Do not initialize redirection_edges.
1900         Call thread_through_all_blocks.  Simplify code for cleanup
1901         of the CFG and iterating.  No longer call cleanup_tree_cfg
1902         outside the iteration loop.
1903         (thread_across_edge): No longer mess with forwardable blocks.
1904
1905 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
1906
1907         * explow.c (memory_address): Use memory_address_p.
1908         * recog.c (general_operand): Likewise.
1909         * regrename.c: No need to define REG_OK_STRICT.
1910
1911 2004-08-09  Steven Bosscher  <stevenb@suse.de>
1912
1913         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
1914         New timers.
1915         * gcse.c: Include timevar.h.
1916         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
1917         and global_copy_prop_count.
1918         (local_const_prop_count, local_copy_prop_count): New static globals.
1919         (gcse_main): Set the right timevar for each pass.
1920         (cprop_jump): Increment global_const_prop_count when a constant is
1921         propagated.  Add "GLOBAL" to dump output.
1922         (cprop_insn): Increment global_const_prop_count when a constant is
1923         propagated, or global_copy_prop_count when a copy is propagated.
1924         (do_local_cprop): Likewise for local_const_prop_count and
1925         local_copy_prop_count.
1926         (one_cprop_pass): Initialize const/cprop counters to zero.
1927         Print out results of local and global const/cprop separately.
1928         (bypass_block): Break over-length line.
1929         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
1930         for bb-reorder.o and tracer.o.
1931
1932 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1933
1934         * Makefile.in (GTFILES): Remove stmt.c
1935         (stmt.o): Do not depend on gt-stmt.h.
1936         * emit-rtl.c (emit_line_note): Do not call
1937         set_file_and_line_for_stmt.
1938         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
1939         do everything.
1940         * function.c (free_after_parsing): Do not free STMT field.
1941         (allocate_struct_function): Do not call init_stmt_for_function.
1942         (assign_stack_temp_for_type): Do not accept values of keep
1943         other than 0 or 1.
1944         (init_temp_slots): Do not initialize removed variables.
1945         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
1946         and X_VAR_TEMP_SLOT_LEVEL fields.
1947         * rtl.h (set_file_and_line_for_stmt): Remove.
1948         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
1949         struct stmt_status, cond_stack, case_stack, nesting_stack,
1950         nesting_depth, emit_locus, set_file_and_line_for_stmt,
1951         same_case_target_p, init_stmt_for_function, emit_nop,
1952         expand_start_cond, expand_start_elseif, expand_start_else,
1953         expand_elseif, expand_end_cond): Remove.
1954         (preserve_subexpressions_p): Remove references to CFUN->STMT.
1955         (expand_start_case, expand_end_case_type): Remove, merge into...
1956         (expand_case): ... this one, including other bits from
1957         expand_expr_real_1.  Inline same_case_target_p.  Turn members
1958         of CASE_STACK into local variables.
1959         (emit_case_bit_tests): Inline same_case_target_p.
1960         (add_case_node): Add HEAD argument, return new head of the list,
1961         do not handle default label here.
1962         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
1963         expand_start_elseif, current_nesting_level, expand_start_case,
1964         expand_end_case_type, expand_end_case, add_case_node,
1965         init_stmt_for_function, expand_elseif): Remove prototypes.
1966         (expand_case): Add prototype.
1967
1968 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1969
1970         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
1971
1972 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1973
1974         * expr.c (var_rtx): Remove.
1975         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
1976         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
1977         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
1978         Abort.
1979         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
1980         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
1981         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
1982
1983 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
1984         Ayal Zaks <zaks@il.ibm.com>
1985
1986         * common.opt (freschedule-modulo-scheduled-loops): New flag.
1987         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
1988         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
1989         when -freschedule-modulo-scheduled-loops flag is not specified.
1990         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
1991         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
1992         More accurate placing of insn in row of partial schedule.
1993         (ps_insn_find_column): New function.
1994         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
1995         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
1996         (schedule_region): Use sched_is_disabled_for_current_region_p.
1997         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
1998
1999 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2000
2001         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
2002         change.
2003
2004 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2005
2006         * config/i386/i386.c (ix86_expand_clrmem): Properly call
2007         gen_strset for 64bit target.
2008
2009 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
2010
2011         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
2012
2013 2004-08-07  Jason Merrill  <jason@redhat.com>
2014
2015         Make return in memory explicit.
2016         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
2017         (assign_parm_find_data_types): Remove code for old front end
2018         invisible reference handling.
2019         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
2020         (expand_function_end): Likewise.
2021         * gimplify.c (gimplify_return_expr): Handle a dereferenced
2022         RESULT_DECL.
2023         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
2024         (declare_return_variable): Handle DECL_BY_REFERENCE.
2025         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
2026         (cp_genericize_r): Use convert_from_reference.
2027         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
2028         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
2029
2030         * c-common.c (c_warn_unused_result): Check TREE_USED before
2031         warning about a CALL_EXPR with an unused value.
2032
2033 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
2034
2035         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
2036         to the compiler.  Use -fshort-wchar by default.
2037
2038 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
2039
2040         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
2041         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
2042         threshhold.
2043         * doc/invoke.texi (param): Document min-crossjump-insns.
2044
2045 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
2046
2047         PR c/13282
2048         * c.opt (Wmissing-field-initializers): New option.
2049         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
2050         * c-typeck.c (pop_init_level): Guard the missing field warning with
2051         warn_missing_field_initializers rather than extra_warnings.
2052         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
2053         some of the explanation from...
2054         (-Wextra): ...here.  Say that the missing field warning can be
2055         seperately controlled by -Wmissing-field-initializers.
2056
2057 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
2058
2059         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
2060         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
2061         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
2062         * tree.def (ENTRY_VALUE_EXPR): Remove.
2063
2064 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
2065
2066         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
2067         the places where it is actually needed.  Don't use repz; stosb
2068         for -Os with sufficiently small constant sizes.
2069         For sufficiently small repz; stos{l,q} repeat counts use a sequence
2070         of stos{l,q} instructions instead.
2071
2072 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2073
2074         PR tree-optimization/16807
2075         * loop-iv.c (dump_iv_info): Dump invariants correctly.
2076         (iv_subreg, iv_extend): Express value of invariant purely in
2077         base field.
2078
2079 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
2080
2081         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
2082         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
2083
2084 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
2085
2086         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
2087         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
2088         pre_dec_operand.
2089         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
2090         pattern until reload is finished to allow better code generation
2091         and split them completely into separate instrunctions.
2092         (*andsi3_split): New pattern.
2093
2094 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
2095
2096         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
2097         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
2098         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2099         * tree.h (handle_dll_attribute): Declare.  Test
2100         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2101         * c-common.h (c_determine_visibility): Declare.
2102         * c-common.c (c_determine_visibility): New function.
2103         * c-decl.c (finish_decl): Use it.
2104         (finish_function): Likewise.
2105         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
2106         zero, by default.  Use #if, not #ifdef, to test it.
2107         * config/arm/arm.c (arm_attribute_table): Use
2108         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
2109         #if.
2110         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
2111         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2112         to 1.
2113         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
2114         * config/i386/i386.c (ix86_attribute_table): Use
2115         handle_dll_attribute for dllimport/dllexport.  Test
2116         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2117         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
2118         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2119         it to 1.
2120         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
2121         with #if.
2122         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2123         it to 1.
2124         * doc/extend.texi (dllexport): Clarify and correct documentation.
2125         (dllimport): Likewise.
2126         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
2127         handle_dll_attribute.
2128
2129 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2130
2131         * tree-ssa-loop-manip.c: New file.
2132         * Makefile.in (tree-ssa-loop-manip.o): Add.
2133         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
2134         Declare.
2135         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
2136         form.
2137         (tree_ssa_loop_done): Verify loop closed ssa form.
2138         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
2139
2140 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2141
2142         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
2143         pa_asm_output_aligned_local): New functions.
2144         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
2145         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
2146         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
2147         pa_asm_output_aligned_common.
2148         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2149         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
2150         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2151         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2152         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
2153         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2154         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2155         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
2156         common data.
2157
2158 2004-08-05  Andrew Pinski  <apinski@apple.com>
2159
2160         * objc/objc-act.c (build_objc_string_object): Mark the address
2161         expression as constant.
2162
2163 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
2164
2165         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
2166         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
2167         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
2168
2169 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2170
2171         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
2172         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
2173         out, and associated obsolete comments.
2174
2175 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
2176
2177         * tree.h (force_fit_type): Return a tree, take three flags.
2178         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
2179         TREE_CONSTANT_OVERFLOW here.
2180         (int_const_binop, const_binop): Adjust.
2181         (size_int_type): Do sign extension here.
2182         (fold_convert_const, optimize_bit_field_compare,
2183         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
2184         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
2185         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
2186
2187 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2188
2189         PR tree-optimization/16864
2190         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
2191         for ssa names without default_def.
2192
2193 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
2194
2195         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
2196         frame pointer, restore eax with an ebp-relative address.
2197
2198 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
2199
2200         PR 14516
2201         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
2202         * c-common.h (make_rtl_for_local_static): Delete.
2203         * c-decl.c (shadow_tag_warned): Clean up comment.
2204         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
2205         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
2206         * c-semantics.c (make_rtl_for_local_static): Delete.
2207         * expr.c (init_block_move_fn): Use set_user_assembler_name.
2208         (init_block_clear_fn): Likewise.
2209         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
2210         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
2211         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
2212         * tree.h (make_decl_rtl): Remove second parameter.
2213         (set_user_assembler_name): New.
2214         * varasm.c (set_user_assembler_name): New.
2215         (make_decl_rtl): Remove second parameter.  Update callers in many
2216         files.
2217
2218 2004-08-05  Adam Nemet  <anemet@lnxw.com>
2219
2220         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
2221         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
2222         to LynxOS 4.0.
2223         * gthr-lynx.h: New file.
2224         * config/lynx-ng.h: Remove file.
2225         * config/lynx.h: Update to LynxOS 4.0.
2226         * config/t-lynx: New file.
2227         * config/i386/lynx-ng.h: Remove file.
2228         * config/i386/lynx.h: Update to LynxOS 4.0.
2229         * config/rs6000/lynxbase.h: Remove file.
2230         * config/rs6000/lynx.h: Update to LynxOS 4.0.
2231         * config/rs6000/t-lynx: New file.
2232         * doc/install.texi (Options specification): Remove reference to
2233         LynxOS from systems where --with-gnu-as makes a difference.
2234
2235 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2236
2237         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
2238         __UINTMAX_TYPE__.
2239         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
2240         __INTMAX_MAX__.
2241         (c_cpp_builtins): Call it.
2242         * doc/cpp.texi: Update.
2243
2244 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
2245
2246         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
2247         cost.
2248
2249 2004-08-04  Jan Hubicka  <jh@suse.cz>
2250
2251         * basic-block.h (profile_staus): New global variable.
2252         * cfg.c (profile_status): Declare.
2253         (check_bb_profile): Break out from ....; use profile_status
2254         (dump_flow_info): ... here.
2255         * cfgbuild.c (find_basic_blocks): Set profile_status.
2256         * cfgexpand.c (tree_expand_cfg): Likewise.
2257         * predict.c (estimate_probability): Likewise.
2258         * profile.c (branch_prob): Likewise.
2259         * tree-cfg.c (build_tree_cfg): Likewise.
2260         (dump_function_to_file): Use check_bb_profile.
2261         * tree-pretty-print (dump_bb_header): Likewise.
2262         * tree-profile.c (do_tree_profiling): Cleanup.
2263
2264 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
2265
2266         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
2267         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
2268         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
2269         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
2270         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
2271         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
2272         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
2273         (ggc-none.o, errors.o): Move rule to generators section;
2274         correct dependencies.
2275         (min-insn-modes.o): Move rule to generators section; remove
2276         unnecessary explicit command; correct dependencies.
2277         (print-rtl.o, print-rtl1.o): Correct dependencies.
2278         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
2279         (mostlyclean): Update.
2280
2281         * errors.c: Include bconfig.h not config.h.  Correct comment.
2282         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
2283         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
2284         * print-rtl.c: Don't include tm_p.h.
2285
2286         * rtl.h: Move forward-decl of struct function down where it's
2287         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
2288         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
2289
2290 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2291             Jeff Law  <law@redhat.com>
2292
2293         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
2294         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
2295         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
2296         manipulate the duplicated ssa names.
2297         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
2298         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
2299         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
2300         New functions.
2301         (release_ssa_name): Do not release ssa names that may have multiple
2302         definitions.
2303         * tree.h (release_ssa_name_force, mark_for_rewrite,
2304         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
2305         marked_ssa_names): Declare.
2306         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
2307         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
2308         Update call to rewrite_ssa_into_ssa.
2309
2310 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
2311
2312         * defaults.h (TARGET_DECLSPEC): New macro.
2313         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
2314         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
2315         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
2316         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
2317         __declspec support.
2318         (TARGET_DECLSPEC): Define.
2319         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
2320         __declspec support.
2321         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
2322         __declspec support.
2323         (TARGET_DECLSPEC): Define.
2324         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
2325         __declspec support.
2326         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
2327         support.
2328         * doc/tm.texi (TARGET_DECLSPEC): Document.
2329
2330         * doc/extend.texi: Fix typo in comment.
2331
2332 2004-08-04  Paul Brook  <paul@codesourcery.com>
2333
2334         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
2335         (TARGET_CXX): Use it.
2336         * target.h (struct gcc_target): Add cdtor_returns_this.
2337         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
2338         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
2339         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
2340
2341 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
2342
2343         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
2344         low/high pair. Do range checking directly.
2345         (interpret_integer): Adjust.
2346
2347 2004-08-04  Nick Clifton  <nickc@redhat.com>
2348
2349         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
2350         GCC ABI.
2351         * doc/invoke.texi: Document this new switch and also the -mrenesas
2352         switch.
2353
2354 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
2355
2356         * cfglayout.c (insn_locators_initialize): Update the current
2357         location before initializing a location.
2358
2359 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2360
2361         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
2362         (dbxout_function_end): Return after emitting the "Lscope" symbol
2363         under the same conditions that this function formerly wasn't called.
2364         Add explanatory comments.
2365
2366         PR 14860
2367         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
2368         on the new decl.
2369
2370         PR 13956
2371         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
2372         functions, broken out of dbxout_block.
2373         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
2374         stabs too, if it contains symbols.  Use the begin_label and
2375         the Lscope label (emitted by dbxout_function_end) for the
2376         range of this block.
2377
2378 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
2379
2380         * doc/install.texi: Update autoconf version requirements.
2381
2382 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2383
2384         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
2385         * recog.c (general_operand, immediate_operand, nonmemory_operand)
2386         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
2387         * regclass.c (record_reg_classes): Likewise.
2388         * reload.c (find_reloads): Likewise.
2389         * reload1.c (reload): Likewise.
2390
2391 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2392
2393         * gensupport.c (init_md_reader_args_cb): Renamed from
2394         init_md_reader_args.  Add third option, callback function for
2395         parsing program-specific options.  Add diagnosis of incorrect
2396         number of input files.
2397         (init_md_reader): Fold into init_md_reader_args_cb.
2398         (init_md_reader_args): Now a thin wrapper around
2399         init_md_reader_args_cb.
2400         * gensupport.h: Update prototypes.
2401
2402         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2403         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2404         * genrecog.c: No need to diagnose lack of an input file;
2405         init_md_reader_args will handle it.
2406         * genconditions.c: Likewise, and use init_md_reader_args.
2407         * genconstants.c: Likewise, and no need to call read_md_rtx.
2408
2409 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2410
2411         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
2412         declarations.
2413
2414 2004-08-03  Mike Stump  <mrs@apple.com>
2415
2416         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
2417         for frameworks.
2418         * doc/invoke.texi (Darwin Options): Update to reflect above.
2419
2420 2004-08-03  Roger Sayle  <roger@eyesopen.com>
2421
2422         PR middle-end/16790
2423         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
2424         truncations, not just global truncations.
2425
2426 2004-08-03  Andrew Pinski  <apinski@apple.com>
2427
2428         PR bootstrap/16865
2429         * loop-iv.c (simplify_using_assignment): Initialize lhs.
2430
2431 2004-08-03  Paul Brook  <paul@codesourcery.com>
2432
2433         * gcc/doc/install.texi: Document MPFR requirement.
2434
2435 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
2436
2437         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
2438         and mmap() explicitly instead of relying on preset autoconf cache
2439         variables.
2440         * configure: Regenerate.
2441
2442 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
2443
2444         PR target/16570
2445         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
2446         to tmake_file.
2447         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
2448         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
2449         to tmake_file.
2450
2451         * config/i386/t-gmm_malloc: New file.
2452         * config/i386/t-pmm_malloc: Likewise.
2453
2454         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
2455
2456 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
2457             Tanguy Fautrà <tfautre@pandora.be>
2458
2459         * config/i386/pmm_malloc.h: New file.
2460
2461 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
2462
2463         * config/i386/gmm_malloc.h: New file.
2464
2465 2004-08-03  Dale Johannesen  <dalej@apple.com>
2466
2467         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
2468         * c-common.c: Include opts.h.
2469         (c_common_get_alias_set): Fix check for a single input file.
2470         * toplev.c: Remove current_file_decl.
2471         * tree.h: Ditto.
2472
2473 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
2474
2475         * config.gcc (arm*-*-symbianelf*): New target.
2476         * config/arm/symbian.h: New file.
2477
2478         * gthr-gnat.c: Add visibility #pragmas.
2479         * gthr-gnat.h : Likewise.
2480         * gthr.h: Likewise.
2481         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
2482         (__ffsDI2): Likewise.
2483         (__clzSI2): Likewise.
2484         (__ctzSI2): Likewise.
2485         (__ctzDI2): Likewise.
2486         (__popcountSI2): Likewise.
2487         (__popcountDI2): Likewise.
2488         (__paritySI2): Likewise.
2489         (__parityDI2): Likewise.
2490         * libgcc2.h: Add visibility #pragmas.
2491         (__clzDI2): Add prototype.
2492         (__clzSI2): Likewise.
2493         (__ctzSI2): Likewise.
2494         (__ffsDI2): Likewise.
2495         (__ffsSI2): Likewise.
2496         (__ctzDI2): Likewise.
2497         (__popcountSI2): Likewise.
2498         (__popcountDI2): Likewise.
2499         (__paritySI2): Likewise.
2500         (__parityDI2): Likewise.
2501         * unwind-dw2-fde.h: Add visibility #pragmas.
2502         * unwind.h: Likewise.
2503
2504 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
2505             Dale Johannesen  <dalej@apple.com>
2506             Roger Sayle  <roger@eyesopen.com>
2507
2508         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
2509         constants more accurately.  Adjust costs for FMA instructions.
2510         Add cases for most logical and float operations.  Recurse into
2511         most operands.
2512
2513 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
2514
2515         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
2516
2517 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
2518
2519         * ra-build.c (conflicts_between_webs): For webs that cross a call add
2520         conflicts to regs_invalidated_by_call.
2521
2522 2004-08-03  Paul Brook  <paul@codesourcery.com>
2523
2524         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
2525
2526 2004-08-03  Jan Hubicka  <jh@suse.cz>
2527
2528         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
2529         ARRAY_REF argument.
2530
2531 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
2532
2533         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
2534         arm968es, arm10e, arm1020e, arm1022e.
2535         * invoke.texi: Update list of ARM cores.
2536         * arm-tune.md: Regenerate.
2537
2538 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
2539
2540         * arm/gentune.sh: New file.
2541         * arm/t-arm: New file.
2542         * arm/arm-tune.md: New file (autogenerated).
2543         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
2544         * arm.md (attribute tune): Delete.  Include arm-tune.md.
2545
2546 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
2547
2548         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
2549         penultimate parameter.  All callers adjusted.
2550         (struct prefix_list): Remove used_flag_ptr.
2551         (find_a_file): Do not set *pl->used_flag_ptr.
2552         (warn_B, warn_std_ptr): Remove.
2553
2554 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
2555             Mostafa Hagog <mustafa@il.ibm.com>
2556
2557         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
2558
2559 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
2560
2561         * dwarf2out.c (output_call_frame_info): Don't change data format
2562         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
2563         label.  Use 'true' not '1'.
2564         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
2565         required.
2566
2567 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
2568
2569         * gdbinit.in: Reflect previous changes to rtunion_def.
2570
2571 2004-08-02  Roger Sayle  <roger@eyesopen.com>
2572
2573         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
2574         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
2575
2576 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2577
2578         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
2579         vec_p_reserve.
2580         * langhooks.h (lang_hooks::builtin_function): Rename parameter
2581         from "class" to "bt_class".
2582
2583 2004-08-02  Paul Brook  <paul@codesourcery.com>
2584
2585         PR rtl-optimization/15068
2586         * flow.c (init_propagate_block_info): Check condition is reversible.
2587
2588 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2589
2590         * gengtype.h (options::info): Change type to const char *.
2591         (enum gc_used_enum): Move out of struct type scope.
2592         * gengtype.c (create_option): Convert initializer for option::info to
2593         appropiate type.
2594         (adjust_field_type, walk_type, write_func_for_structure,
2595         write_root, write_roots): Remove pointless cast.
2596
2597 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
2598
2599         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
2600
2601 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2602
2603         * rtl.h (union rtunion_def): Have all members  start with the
2604         prefix "rt_".
2605         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
2606         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
2607         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
2608         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
2609         access.
2610         * gengtype.c (adjust_field_rtx_def): Likewise.
2611         * rtlanal.c (loc_mentioned_in_p): Likewise.
2612
2613 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
2614
2615         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
2616         Replace uses of mips/elf64.h with mips/elf.h
2617         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
2618         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
2619         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
2620         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
2621         (HANDLE_SYSV_PRAGMA): Delete.
2622         (ASM_OUTPUT_DEF): Fix formatting.
2623         * config/mips/elf64.h: Delete.
2624
2625 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
2626
2627         * config/ia64/ia64.c (got_symbolic_operand): Do require a
2628         symbol+offset operand to have its offset be zero mod 0x3fff
2629         when GOT entries are in use.  Clarify logic in SYMBOL_REF
2630         case.  Clarify comments.
2631         (ia64_expand_load_address): Split a symbol+offset load when
2632         the offset is nonzero mod 0x3fff, not 0x1fff.
2633
2634 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
2635
2636         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
2637         if trying to *store* to a non-offsettable address.
2638         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
2639         a nonoffsettable address.
2640         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
2641         Clean up.
2642         (movti_string): Don't move GPRs to a nonoffsettable address.
2643         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
2644
2645 2004-08-02  Ben Elliston  <bje@au.ibm.com>
2646
2647         PR target/16155
2648         * config/rs6000/altivec.h: Replace typeof with __typeof__.
2649
2650 2004-08-01  Richard Henderson  <rth@redhat.com>
2651
2652         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
2653         variable sized types.
2654
2655 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2656
2657         * doc/invoke.texi: In the MIPS options section, remove the passage
2658         saying that -mexplicit-relocs is usually disabled for -mabicalls
2659         -fno-unit-at-a-time.
2660         * config/mips/mips.c (override_options): Remove the code that enforced
2661         this rule.
2662
2663 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2664
2665         * config/mips/mips.md (cprestore): Provide two alternatives, one for
2666         an in-range offset and one for an out-of-range offset.  Wrap the latter
2667         in .set macro/.set nomacro if it's inside a .set nomacro block.
2668
2669 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2670
2671         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
2672         (mips_restore_gp): Declare.
2673         * config/mips/mips.c (mips_add_offset): Add a scratch register
2674         argument.  Reimplement in rtl only, reusing MIPS16 logic from
2675         mips_output_mi_thunk.
2676         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
2677         to mips_add_offset.
2678         (mips_gp_save_slot): Delete.
2679         (mips_restore_gp): New function.
2680         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
2681         * config/mips/mips.md (exception_receiver): Turn into a
2682         define_insn_and_split.  Use mips_restore_gp to do the split.
2683         (call_internal, call_value_internal, call_value_multiple_internal): Use
2684         mips_restore_gp to restore $gp.
2685
2686 2004-07-31  Andrew Pinski  <apinski@apple.com>
2687
2688         PR other/16842
2689         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
2690
2691 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
2692
2693         * c-decl.c (diagnose_mismatched_decls): Give error for external
2694         redeclaration of identifier declared with no linkage, not just
2695         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
2696         error for redeclaration with no linkage.
2697
2698 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
2699             Fariborz Jahanian <fjahanian@apple.com>
2700
2701         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
2702         non-offsettable addresses even for DImode.
2703         (rs6000_split_multireg_move): Cope with non-offsettable addresses
2704         being moved into multiple GPRs.
2705
2706         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
2707         to 64.
2708         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
2709         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
2710         to 128.
2711         * config/rs6000/darwin-ldouble.c (isless): New macro.
2712         (inf): New macro.
2713         (nonfinite): New macro.
2714         (FPKINF): Delete.
2715         (_xlqadd): Completely rewrite.
2716         (_xlqmul): Correct overflow handling.
2717         (_xlqdiv): Correct overflow handling.
2718         * config/rs6000/darwin-ldouble-format: New file.
2719
2720 2004-07-30  Roger Sayle  <roger@eyesopen.com>
2721             Richard Henderson  <rth@redhat.com>
2722
2723         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
2724         9 into the equivalent lea instruction.
2725
2726 2004-07-30  Richard Henderson  <rth@redhat.com>
2727
2728         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
2729         with DECL_INITIAL if fb_lvalue.
2730         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
2731         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
2732         with <Cxxx>.
2733         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
2734
2735 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
2736
2737         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
2738         pointer escapes through a function call, assume that the
2739         callee will dereference it.
2740         (add_pointed_to_var): Assume that VALUE is always an
2741         ADDR_EXPR.
2742         (collect_points_to_info_r): Only call add_pointed_to_var if
2743         the value is an ADDR_EXPR.
2744
2745 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
2746
2747         * tree-ssa-alias.c (create_alias_map_for): Do not get the
2748         alias set of the inner type of ARRAY_TYPEs.
2749
2750 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2751
2752         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
2753         setting a non-register to UNDEFINED right before the call to
2754         set_lattice_value.
2755
2756 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2757
2758         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
2759
2760 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2761
2762         * tree-ssa.c (verify_flow_sensitive_alias_info): When
2763         comparing points-to sets of different pointers, make sure the
2764         second pointer is actually referenced in the code.
2765
2766 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
2767
2768         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
2769         (got_symbolic_operand): Remove unreachable code.
2770         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
2771         setjmp_operand; add entry for tls_symbolic_operand.
2772         * config/ia64/ia64-protos.h: Remove all prototypes of
2773         predicate functions.
2774
2775 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
2776
2777         * c-common.h (lang_post_pch_load): New variable.
2778         * c-pch.c (lang_post_pch_load): Define it.
2779         (c_common_read_pch): Use it.
2780         * cgraphunit.c (record_call_1): Give the front end a chance to
2781         record additional needed entities when a variable is marked as
2782         needed.
2783         * tlink.c (recompile_files): Robustify.
2784         (scan_linker_output): If a symbol is assigned to a file,
2785         but after recompilation is not present there, issue an error
2786         message.
2787
2788 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2789
2790         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
2791         Take orig_loop argument and pass it to set_level.
2792         (schedule_sm): Pass the correct orig_loop to force_move_till.
2793
2794 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2795
2796         * cfgloop.c (update_latch_info): Update dominator of the new block.
2797         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
2798         info.
2799         * dominance.c (verify_dominators): Check that the dominance tree is
2800         connected.
2801         (recount_dominator): Ignore unreachable blocks.
2802         (iterate_fix_dominators): Cleanup old dominance information before
2803         recomputing it.
2804
2805 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2806
2807         * tree-ssa-operands.c (get_expr_operands): Revert changes
2808         to ADDR_EXPR processing introduced by:
2809             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2810             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
2811
2812 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
2813
2814         * doc/implement-c.texi: Add C90 subclause references.  Point to
2815         preprocessor documentation instead of duplicating it.  Add points
2816         only present in C90.  Fill in documentation for all points.
2817
2818 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2819
2820         * pa.c (output_movb): Correct typo.
2821
2822 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
2823
2824         * ra.h (single_reg_in_regclass): Declare.
2825         * ra.c (single_reg_in_regclass): Define.
2826         (first_hard_reg): New.
2827         (init_ra): Initialize single_reg_in_regclass.
2828         * ra-colorize.c (ok_class): New.
2829         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
2830
2831 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
2832
2833         * gcov-io.h: Allow zero tag as EOF indicator.
2834         (gcov_is_eof): Remove.
2835         (gcov_truncate): Remove.
2836         * gcov-io.c (gcov_seek): Always SEEK_SET.
2837         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
2838         EOF tag.
2839         * coverage.c (read_counts_file): Don't use gcov_is_eof.
2840         * gcov-dump.c (dump_file): Likewise.
2841         * gcov.c (read_graph_file, read_count_file): Likewise.
2842
2843         * c-decl.c (complete_array_type): Don't gratuitously copy
2844         maxindex.  Check it always has a type.
2845
2846 2004-07-29  Steven Bosscher  <stevenb@suse.de>
2847
2848         * rtl.c (currently_expanding_to_rtl): New.
2849         * rtl.h (currently_expanding_to_rtl): Export it.
2850         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
2851
2852         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
2853         inliner hack.
2854         * config/sh/sh.c: Replace rtx_equal_function_value_matters
2855         with currently_expanding_to_rtl.
2856         * config/sh/sh.md: Likewise.
2857         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
2858
2859 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2860
2861         Introduce sh2a support.
2862         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2863         * config.gcc: Build multilibs for sh2a and sh2a-single by
2864         default.
2865         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
2866         default.  Split their tests out of the corresponding SH4
2867         multilibs.
2868         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
2869         multilibs for SH2a.
2870         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2871         * config.gcc: Handle sh2a multilibs and cpu selection.
2872         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
2873         * config/sh/t-mlib-sh2a: New.
2874         * config/sh/t-mlib-sh2a-nofpu: New.
2875         * config/sh/t-mlib-sh2a-single: New.
2876         * config/sh/t-mlib-sh2a-single-only: New.
2877         2004-07-09  Nick Clifton  <nickc@redhat.com>
2878         Issue 43400
2879         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
2880         -ml and -m2a are used together.
2881         2004-03-23  DJ Delorie  <dj@redhat.com>
2882         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
2883         when we have a double-sized FPU.
2884         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2885         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
2886         is set.
2887         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
2888         -msh2a-single and -msh2a-single-only
2889         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2890         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
2891         is set.
2892         2004-02-20  DJ Delorie  <dj@delorie.com>
2893         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
2894         2004-02-20  Fred Fish <fnf@redhat.com>,
2895         Corinna Vinschen <vinschen@redhat.com>
2896         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
2897         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
2898         2004-02-18  DJ Delorie  <dj@redhat.com>
2899         * config/sh/sh.c (broken_move): Add support for movi20.
2900         * config/sh/sh.h: Likewise.
2901         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
2902         * config/sh/sh.md (udivsi3_sh2a): New.
2903         (udivsi3): Call it.
2904         (divsi3_sh2a): New.
2905         (divsi3): Call it.
2906         (mul_r): New.
2907         (ashlsi3_sh2a): New.
2908         (ashrsi3_sh2a): New.
2909         (lshrsi3_sh2a): New.
2910         (movsi_i): Disable for sh2a.
2911         (movsi_ie): Add movi20.
2912         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
2913         sh2a, for -m2a-nofpu mode.
2914         2004-02-13  DJ Delorie  <dj@redhat.com>
2915         * config/sh/lib1funcs.asm: Handle double vs single better.
2916         * config/sh/sh.h: Likewise.
2917         2004-02-09  DJ Delorie  <dj@redhat.com>
2918         * config/sh/crt1.asm: Add support for sh2a.
2919         * config/sh/elf.h: Likewise.
2920         * config/sh/lib1funcs.asm: Likewise.
2921         * config/sh/sh.c: Likewise.
2922         * config/sh/sh.md: Likewise.
2923         * config/sh/sh.h: Likewise.
2924         * config/sh/t-sh: Likewise.
2925
2926 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2927
2928         * config/frv/frv.md (movqi_internal, movhi_internal,
2929         movsi_internal): Add backup alternatives for memory inputs.
2930
2931 2004-07-28  Matt Austern  <austern@apple.com>
2932
2933         * config/darwin.c (darwin_one_byte_bool): New global variable.
2934         * config/darwin.h (darwin_one_byte_bool): Declare.
2935         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
2936         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
2937         value of darwin_one_byte_bool.
2938         * doc/invoke.texi: Document -mone-byte-bool flag.
2939
2940 2004-07-28  Eric Christopher  <echristo@redhat.com>
2941
2942         * c-common.c (c_common_unsafe_for_reeval): Delete.
2943         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
2944         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
2945         * calls.c (fix_unsafe_tree): Delete.
2946         (expand_call): Delete code which used above.
2947         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
2948         * expr.c (expand_expr_real_1): Ditto.
2949         * fold-const.c (non_lvalue): Ditto.
2950         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2951         (lhd_unsafe_for_reeval): Ditto.
2952         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
2953         * langhooks.h (unsafe_for_reeval): Ditto.
2954         (unsave_expr_now): Adjust comment.
2955         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
2956         (estimate_num_insns_1): Ditto.
2957         * tree-pretty-print.c (dump_generic_node): Ditto.
2958         * tree.c (expr_align): Ditto.
2959         (unsave_expr): Delete.
2960         (unsafe_for_reeval): Ditto.
2961         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
2962         * tree.def (UNSAVE_EXPR): Delete.
2963         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2964
2965 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
2966
2967         * tree.h (enum tls_model): Move ...
2968         * coretypes.h: ... here.
2969
2970 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
2971
2972         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
2973
2974 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
2975
2976         * cse.c (validate_canon_reg): New function, split out from...
2977         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
2978
2979 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2980
2981         * tree-ssa-alias.c (maybe_create_global_var): Don't just
2982         return if .GLOBAL_VAR has been created.
2983
2984 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2985
2986         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
2987         every variable that may have aliases, not just tags.
2988
2989 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
2990
2991         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
2992         move_from_CR_eq_bit.
2993         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
2994
2995
2996         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
2997         e500_flip_eq_bit.
2998
2999         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
3000         output_e500_flip_eq_bit.
3001
3002         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
3003         output_e500_flip_eq_bit.
3004         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
3005         output_e500_flip_eq_bit.
3006         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
3007         (print_operand): case D.  Get to EQ bit.
3008
3009 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
3010
3011         * gcov.c (function_summary): Add missing \n.
3012
3013 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
3014
3015         Introduce sh4a support.
3016         * config.gcc: Handle sh4a multilibs and cpu selection.
3017         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
3018         * config/sh/t-mlib-sh4a: New.
3019         * config/sh/t-mlib-sh4al: New.
3020         * config/sh/t-mlib-sh4a-nofpu: New.
3021         * config/sh/t-mlib-sh4a-single: New.
3022         * config/sh/t-mlib-sh4a-single-only: New.
3023         2004-02-20  DJ Delorie  <dj@redhat.com>
3024         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
3025         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
3026         2003-08-22  Eric Christopher  <echristo@redhat.com>
3027         * config/sh/sh4a.md: Update for chip errata.
3028         2003-08-07  Eric Christopher  <echristo@redhat.com>
3029         * config/sh/sh4a.md: New file. sh4a processor description.
3030         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
3031         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
3032         of -m4a-nofpu.
3033         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
3034         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
3035         * doc/invoke.texi (SH Options): Document -m4al.
3036         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
3037         * config/sh/sh.c (expand_block_move): Remove commented-out code
3038         checked in by mistake.
3039         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
3040         single elements from SFmode vectors.
3041         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
3042         register.
3043         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
3044         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
3045         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
3046         sh_fsca_int2sf): Remove variable declarations.
3047         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
3048         sh_fsca_int2sf): New functions.
3049         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
3050         sh_fsca_int2sf_rtx): New static variables.
3051         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
3052         sh_fsca_int2sf): Declare.
3053         * config/sh/sh.md: Adjust.
3054         * doc/invoke.texi (SH Options): Document new options.
3055         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
3056         compatibility from SH4 code.
3057         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
3058         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
3059         early.
3060         (memory_movsrc_operand): Renamed to...
3061         (unaligned_load_operand): ... this.  Simplified.
3062         * config/sh/sh.h (PREDICATE_CODES): Adjust.
3063         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
3064         input operand to SImode, and adjust the others.  Introduce
3065         post-increment by peephole.
3066         * config/sh/sh.c (expand_block_move): Give the target address the
3067         same mode as the temp reg.
3068         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
3069         copying.
3070         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
3071         Introduce support for SH4a.
3072         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
3073         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
3074         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
3075         sh_fsca_int2sf): New.
3076         (sh_init_builtins): Initialize them.
3077         (print_operand): Support `d'.
3078         (expand_block_move): Use movua if src is misaligned.
3079         (memory_movsrc_operand): New.
3080         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
3081         and one of the SH4 macros.
3082         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
3083         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
3084         SELECT_SH4A_SINGLE): New.
3085         (TARGET_NONE): Add SH4A_BIT.
3086         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
3087         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
3088         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
3089         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
3090         (enum processor_type): Added PROCESSOR_SH4A.
3091         (PREDICATE_CODES): Add memory_movsrc_operand.
3092         * config/sh/sh.md: Removed unused variables.
3093         (attr cpu): Add sh4a.
3094         (attr type): Add movua, fsrra and fsca.
3095         (prefetch): New, for SH4.
3096         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
3097         (toggle_sz): Set type to fp.
3098         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
3099         (movua, extv, extzv): New.
3100         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
3101         and 4a-single-only.
3102
3103 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3104
3105         * tree-optimize.c (init_tree_optimization_passes): Schedule
3106         pass_may_alias right after the program is renamed into SSA.
3107         * tree-pass.h (PROP_alias): Define.
3108         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
3109         * tree-sra.c (pass_sra): Likewise.
3110         * tree-ssa-ccp.c (pass_ccp): Likewise.
3111         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
3112         * tree-ssa-dce.c (pass_dce): Likewise.
3113         * tree-ssa-dom.c (pass_dominator): Likewise.
3114         * tree-ssa-dse.c (pass_dse): Likewise.
3115         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3116         * tree-ssa-loop-ch.c (pass_ch): Likewise.
3117         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
3118         * tree-ssa-pre.c (pass_pre): Likewise.
3119         * tree-tailcall.c (pass_tail_recursion): Likewise.
3120         * tree-ssa.c (pass_redundant_phi): Likewise.
3121         * tree-ssa-alias.c (aliases_computed_p): Remove.
3122         Update all users.
3123         (init_alias_info): Do not mark all type tags for renaming
3124         unconditionally.
3125         Clear may_aliases from every symbol.
3126         (setup_pointers_and_addressables): If a pointer has not been
3127         dereferenced and it had a type tag, clear it and mark the old
3128         tag for renaming.
3129
3130 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3131
3132         PR tree-optimization/16705
3133         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
3134         .GLOBAL_VAR.
3135
3136 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3137
3138         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
3139         check.
3140
3141         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
3142         don't make another one.
3143
3144         PR optimization/15077
3145         * function.h (struct function): Add field saved_static_chain_decl.
3146         Fix comment for static_chain_decl.
3147         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
3148         * tree-inline.h (save_body): Add new arg.
3149         * tree-optimize.c (tree_rest_of_compilation): Handle saving
3150         static_chain_decl.
3151
3152 2004-07-27  Richard Henderson  <rth@redhat.com>
3153
3154         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
3155         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
3156         is_gimple_addressable.
3157         * tree-gimple.c (is_gimple_addressable): Rename from
3158         is_gimple_addr_expr_arg; accept INDIRECT_REF.
3159         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
3160         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
3161         rename to is_gimple_addressable.
3162
3163 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
3164
3165         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
3166
3167 2004-07-27  Richard Henderson  <rth@redhat.com>
3168
3169         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
3170         before rounding.
3171
3172 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
3173
3174         * libgcc2.c: Change all conditionals testing
3175         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
3176         * libgcc2.h: Likewise.
3177         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
3178         TYPE_PRECISION of float80_type to 80.
3179         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
3180         of fpreg_type and float80_type to 80.
3181         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
3182         * config/m68k/netbsd-elf.h:
3183         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
3184         to evaluate to 80 whenever they would formerly have evaluated to 96.
3185         * config/i386/sco5.h: Remove unnecessary redefinition of
3186         LONG_DOUBLE_TYPE_SIZE.
3187         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
3188         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
3189         XFmode, with a bitsize of 80.  Update commentary.
3190         * config/ia64/ia64-modes.def: Likewise.
3191         * config/m68k/m68k-modes.def: Likewise.
3192
3193 2004-07-27  Steven Bosscher  <stevenb@suse.de>
3194
3195         * cfgexpand.c (tree_expand_cfg): Fix comment.
3196
3197         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
3198         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
3199         Remove.
3200         (prepare_function_start): Don't set rtx_equal_function_value_matters.
3201         * integrate.c (copy_rtx_and_substitute): Don't test for it.
3202         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
3203         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
3204         here again.  Update leading comment.
3205         * rtl.c (rtx_equal_function_value_matters): Remove.
3206         (rtx_equal_p): Don't test for it.
3207         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
3208         Likewise.
3209
3210         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
3211         * rtl.c (note_insn_name): Likewise.
3212         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
3213         * final.c (final_scan_insn): Likewise.
3214
3215         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
3216         * passes.c (rest_of_handle_eh): Do it here.
3217
3218         * stmt.c (struct nesting): Remove struct nesting block member.
3219         (struct stmt_status): Remove x_block_start_count field.
3220         (current_block_start_count): Remove.
3221
3222 2004-07-27  Brian Booth  <bbooth@redhat.com>
3223
3224         * tree-optimize.c (register_one_dump_file): Update condition that uses
3225         static_pass_number.
3226         (dup_pass_1): Replace with...
3227         (next_pass_1): This.
3228         (NEXT_PASS): Call next_pass_1.
3229         (DUP_PASS): Remove.
3230         (init_tree_optimization_passes): Remove uses of DUP_PASS.
3231         (execute_one_pass): Update condition that uses
3232         static_pass_number.
3233         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
3234         integer.
3235
3236 2004-07-27  Nick Clifton  <nickc@redhat.com>
3237
3238         * config/m32r/m32r.c: Include integrate.h in order to get the
3239         prototype for get_hard_reg_initial_val().
3240
3241         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
3242         and tidy up indentation.
3243         (final_presence_set): Use absence_set instead, so that if there is
3244         nothing in the "o" pipe the "s" pipe can be scheduled.
3245
3246 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
3247
3248         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
3249         don't have PT_VARS nor PT_MALLOC set.
3250         Clear name tag from pointers that have not been dereferenced.
3251         (set_pt_anything, set_pt_malloc): Forward declare.
3252         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
3253         not type compatibility when determining if a pointer can be
3254         copy propagated.
3255
3256 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
3257
3258         * expr.h (canonicalize_condition, get_condition): Add an int argument.
3259         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
3260         it to check whether the condition is still valid at the jump insn.
3261         * ifcvt.c (noce_get_condition): Likewise.
3262         (noce_get_alt_condition): Update call to canonicalize_condition.
3263         * loop-iv.c (simplify_using_initial_values): Update call to
3264         get_condition.  Remove FIXME.
3265         (check_simple_exit): Update call to get_condition.
3266         * loop-unswitch.c (may_unswitch_on): Likewise.
3267         * loop.c (check_dbra_loop): Likewise.
3268         (canonicalize_condition, get_condition): Add an argument to say whether
3269         the condition must still be valid at INSN.
3270         (get_condition_for_loop): Update call to get_condition.  Require that
3271         the condition be valid at INSN.
3272         * predict.c (estimate_probability): Update call to get_condition.
3273         Remove unused earliest parameter.
3274         (expected_value_to_br_prob): Update call to canonicalize_condition.
3275
3276 2004-07-26  Eric Christopher  <echristo@redhat.com>
3277
3278         * tree-dfa.c (add_referenced_var): Register initializers of global
3279         variables.
3280
3281 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
3282
3283         * config/i386/i386.c (function_arg): Always treat 8-
3284         and 16-byte wide vectors the same, even if MMX/SSE
3285         are disabled.
3286         (contains_128bit_aligned_vector_p): Add comment.
3287
3288 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
3289
3290         * ra.h (enum node_type): Rename to:
3291         (enum ra_node_type).
3292         * ra-colorize.c: Likewise.
3293
3294 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
3295
3296         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
3297         after simplifying the jump.
3298
3299 2004-06-26  Richard Henderson  <rth@redhat.com>
3300
3301         * calls.c (combine_pending_stack_adjustment_and_call): Make
3302         preferred_unit_stack_boundary argument unsigned.  Make
3303         unadjusted_alignment unsigned.
3304         (expand_call): Make preferred_stack_boundary and
3305         preferred_unit_stack_boundary variables unsigned.
3306         * function.c (assign_stack_local_1): Make alignment unsigned.
3307         * function.h (struct function): Make stack_alignment_needed,
3308         preferred_stack_boundary unsigned.
3309         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
3310         (ix86_compute_frame_layout): Make stack_alignment_needed,
3311         preferred_alignment variables unsigned.
3312         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
3313
3314 2004-07-26  Tom Tromey  <tromey@redhat.com>
3315
3316         * tree.h: Fix typo in comment.
3317
3318 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
3319
3320         PR bootstrap/12804
3321         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
3322         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
3323         (ggc_free): Remove incorrect freeing.
3324         (sweep_pages): Advance PP for large pages.  Fix indentation.
3325
3326 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
3327
3328         PR rtl-optimization/16643
3329         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
3330         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
3331         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
3332         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
3333         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
3334         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3335         * rtl.h (tracer): Add a flags parameter.
3336         * tracer.c (tracer): Pass it to cfg_layout_initialise.
3337         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
3338         (rest_of_handle_reorder_blocks): Update calls to tracer and
3339         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
3340         (rest_of_handle_tracer): Pass 0 to tracer.
3341         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
3342
3343 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
3344
3345         PR target/16239
3346         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
3347         f->f.
3348
3349 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
3350
3351         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
3352         (BINFO_BASE_ACCESS): Adjust.
3353         (BINFO_BASE_ACCESS_APPEND): New.
3354         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
3355         * dbxout.c (dbxout_type): Adjust binfo access accessing.
3356         * dwarf2out.c (gen_member_die): Likewise.
3357         * tree-dump.c (deque_and_dump): Likewise.
3358
3359 2004-07-26  Falk Hueffner  <falk@debian.org>
3360
3361         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
3362         costs.
3363
3364 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3365
3366         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
3367         value off of the stack if TARGET_USE_FFREEP.
3368
3369 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3370
3371         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
3372         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
3373         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
3374         check on invocation of XRESIZEVEC ().
3375
3376 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3377
3378         * c-common.c (disable_builtin_function): Rename variable n to
3379         new_disabled_builtin.
3380         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
3381         Rename local variable old to old_decl.
3382         * gensupport.c (shift_output_template): Rename parameter old to src.
3383         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
3384         old_rtx and newx to new_rtx.
3385
3386 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3387
3388         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
3389         of c-pragma.h.
3390         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
3391         enum cpp_ttype.
3392         * c-lex.c: Likewise.
3393
3394 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3395
3396         * fold-const.c (constant_boolean_node): Make extern.
3397         (make_range): Wrap long lines.
3398         (fold_cond_expr_with_comparison): Remove unnecessary call to
3399         pedantic_non_lvalue.  Add missing calls to fold_convert.
3400         (fold_truthop): Add missing calls to fold_convert.
3401         (fold): Likewise.
3402         * tree.h (constant_boolean_node): Add prototype here.
3403         * builtins.c (expand_builtin_strncmp): Add missing calls to
3404         fold_convert.
3405         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
3406         Call fold_convert and constant_boolean_node to correct types.
3407         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
3408         missing call to fold_convert to correct types.
3409
3410 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
3411             Brian Ryner  <bryner@brianryner.com>
3412
3413         PR c++/9283
3414         PR c++/15000
3415         * c-common.c (c_common_attribute_table): Allow
3416         handle_visibility_attribute to be called for types.
3417         (handle_visibility_attribute) When given a type, set the visibility
3418         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
3419         so that we can check later whether the attribute was present. Added
3420         warning if attribute applied to non class type.
3421         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
3422         decls and checking that they are consistent.
3423         * common.opt: Added -fvisibility.
3424         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
3425         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
3426         * flags.h, tree.h: Added assorted support defines for overall patch
3427         * opts.c: Added parsing support for -fvisibility.
3428         * tree.c (build_decl): Set visibility for all decls to be whatever
3429         is in force at that time.
3430         * varasm.c (default_binds_local_p_1): Reworked logic determining
3431         when to make a symbol locally bound.
3432         * doc/invoke.texi: Added documentation for -fvisibility and
3433         -fvisibility-inlines-hidden.
3434
3435 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3436
3437         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
3438         * c-common.c: Add missing casts from void * to other types.
3439         * c-decl.c: Likewise.
3440         * c-format.c: Likewise.
3441         * c-lex.c: Likewise.
3442         * c-pragma.c: Likewise.
3443         * c-typeck.c: Likewise.
3444         * defaults.h: Likewise.
3445         * genconstants.c: Likewise.
3446         * gengtype-lex.l: Likewise.
3447         * genmodes.c: Likewise.
3448         * read-rtl.c: Likewise.
3449         * rtl.c: Likewise.
3450
3451 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3452
3453         * bitmap.c: Use type-safe memory allocation macros from libiberty.
3454         * c-common.c: Likewise.
3455         * c-decl.c: Likewise.
3456         * c-lang.c: Likewise.
3457         * c-lex.c: Likewise.
3458         * c-opts.c: Likewise.
3459         * c-parse.in: Likewise.
3460         * c-typeck.c: Likewise.
3461         * genconditions.c: Likewise.
3462         * gengtype-lex.l: Likewise.
3463         * gengtype-yacc.y: Likewise.
3464         * gengtype.c: Likewise.
3465         * genmodes.c: Likewise.
3466         * gensupport.c: Likewise.
3467         * read-rtl.c: Likewise.
3468         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
3469         htab_find_slot().
3470
3471 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3472
3473         * c-decl.c (groktypename, groktypename_in_param_context): Rename
3474         variable typename to type_name.
3475         * c-lex.c (interpret_float): Likewise.
3476
3477 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3478
3479         * convert.c (convert_to_real, convert_to_integer,
3480         convert_to_complex): Replace calls to build with calls to buildN.
3481         * coverage.c (tree_coverage_counter_ref): Likewise.
3482         * dojump.c (do_jump): Likewise.
3483         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
3484         * emit-rtl.c (component_ref_for_mem_expr,
3485         set_mem_attributes_minus_bitpos): Likewise.
3486         * explow.c (update_nonlocal_goto_save_area): Likewise.
3487         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
3488         expand_mult_add): Likewise.
3489         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
3490         store_constructor, get_inner_reference, expand_expr_real_1,
3491         try_casesi, try_tablejump): Likewise.
3492         * function.c (expand_function_start): Likewise.
3493         * stmt.c (emit_case_bit_tests, expand_end_case_type,
3494         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
3495         * stor-layout.c (place_union_field, layout_type): Likewise.
3496         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
3497         * varasm.c (copy_constant): Likewise.
3498
3499 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3500
3501         * c-common.c: Rename all identifiers named `new'.
3502         * c-decl.c: Likewise.
3503         * gensupport.c: Likewise.
3504         * simplify-rtx.c: Likewise.
3505         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
3506         with XNEW().
3507         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
3508         with XNEWVEC().
3509
3510 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3511
3512         PR c/15360
3513         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
3514         declarations until after calling pushdecl.
3515         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
3516         "extern" and not on whether the declaration is initialized.
3517
3518 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
3519
3520         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
3521         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
3522         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
3523         "cpplib.h", "c-pragma.h", "c-common.h".
3524         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
3525         (solaris_register_pragmas): New functions.
3526         * config/sol2-protos.h: New file.
3527         * config/sol2.c: New file.
3528         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
3529         (REGISTER_TARGET_PRAGMAS): New macros.
3530         (solaris_pending_aligns, solaris_pending_inits)
3531         (solaris_pending_finis): New variables.
3532         * config/t-sol2 (sol2-c.o): Update dependencies.
3533         (sol2.o): New rule.
3534         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
3535         SUBTARGET_INSERT_ATTRIBUTES.
3536         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
3537         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
3538         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
3539         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
3540         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
3541         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
3542         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
3543         * config/sparc/sparc.c (sparc_attribute_table): New.
3544         (TARGET_INSERT_ATTRIBUTES): Define in terms of
3545         SUBTARGET_INSERT_ATTRIBUTES.
3546         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
3547         is defined.
3548         * doc/extend.texi (Solaris Pragmas): New section.
3549
3550 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3551
3552         * c-common.c: Rename all identifiers named `class' to `cl'.
3553         * c-common.h: Likewise.
3554         * c-parse.in: Likewise.
3555         * c-typeck.c: Likewise.
3556         * genmodes.c: Likewise.
3557         * real.c: Likewise.
3558         * real.h: Likewise.
3559         * recog.c: Likewise.
3560         * recog.h: Likewise.
3561         * regrename.c: Likewise.
3562         * tree.h: Likewise.
3563         * c-common.c (builtin_function_2): Change type of 5th parameter from
3564         int to enum built_in_function. Change type of 8th parameter from int
3565         to bool.
3566         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
3567         with GGC_CNEW().
3568         * c-typeck.c (convert_arguments): Change type of formal_prec from
3569         int to unsigned int.
3570         * genmodes.c (blank_mode): Make a few negative constants unsigned.
3571         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
3572         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
3573         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
3574         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
3575         iterator to for_all_modes () instead of an enum because enums can't
3576         be incremented in C++.
3577
3578
3579 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
3580
3581         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
3582         hard registers.
3583
3584 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3585
3586         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
3587         Handle ARRAY_RANGE_REF like ARRAY_REF.
3588
3589 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3590
3591         * c-typeck.c (digest_init): Don't allow arrays of signed or
3592         unsigned variants of wchar_t to be initialized by wide string
3593         constants.  Do allow arrays of enumerated types compatible with
3594         wchar_t to be initialized by wide string constants.  Refine tests
3595         distinguishing wide and narrow strings and arrays.  Give specific
3596         error for arrays of other integer types initialized by string
3597         constants.
3598         (output_init_element, process_init_element): Check for
3599         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
3600         initializing with string constants.
3601
3602 2004-07-25  Richard Henderson  <rth@redhat.com>
3603
3604         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
3605         on the RESULT_DECL.
3606         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3607         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
3608         DECL_IGNORED_P to new decl.
3609
3610 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
3611
3612         * config/ia64/ia64.c (general_xfmode_operand)
3613         (destination_xfmode_operand): Delete.
3614         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
3615         * config/ia64/ia64.md (*movxf_internal): Use general_operand
3616         and destination_operand.
3617
3618 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
3619
3620         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
3621         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
3622
3623 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
3624             Zack Weinberg  <zack@codesourcery.com
3625
3626         PR 16684
3627         * c-decl.c (diagnose_mismatched_decls): Don't issue a
3628         redundant-declaration warning the first time a builtin is
3629         declared explicitly.
3630
3631 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3632
3633         * tree.h (staticp): Change return type to bool.
3634
3635 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3636
3637         * c-common.c (c_staticp): Last episode of the staticp saga.
3638
3639 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3640
3641         * c-common.h (c_staticp): Change return type from int to bool.
3642         * tree.c (staticp): Likewise.
3643         * langhooks.h (staticp): Likewise.
3644
3645 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3646
3647         * langhooks-def.h (lhd_staticp): Change return type from int to
3648         bool in prototype to match definition.
3649
3650 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3651
3652         * system.h (bool, true, false): Don't redefine as preprocessor macros
3653         in C++.
3654
3655 2004-07-24  Roger Sayle  <roger@eyesopen.com>
3656
3657         * expmed.c (init_expmed): A signed modulus by a power of two is
3658         considered cheap if its less than or equal to four instructions.
3659
3660 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3661
3662         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
3663         GGC_CNEWVAR): New macros.
3664
3665 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3666
3667         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
3668         lists.
3669         * c-decl.c: Likewise.
3670         * c-format.c: Likewise.
3671         * c-lex.c: Likewise.
3672         * c-opts.c: Likewise.
3673         * c-pragma.c: Likewise.
3674         * c-typeck.c: Likewise.
3675         * gencheck.c: Likewise.
3676         * genconditions.c: Likewise.
3677         * genconfig.c: Likewise.
3678         * genflags.c: Likewise.
3679         * gengtype.c: Likewise.
3680         * gensupport.c: Likewise.
3681         * ggc-none.c: Likewise.
3682         * langhooks.c: Likewise.
3683         * statistics.h: Likewise.
3684         * stub-objc.c: Likewise.
3685         * java/decl.c: Likewise.
3686
3687 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
3688
3689         * config/m68k/m68k.c (output_scc_di): Fix coding style.
3690         (symbolic_operand): Fix prototype.
3691         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
3692         * config/m68k/m68k.md: Add constants for registers a0 and sp and
3693         use them, change from the "{...}" syntax to the simpler {...}
3694         syntax.
3695         (*cfv4_extendqisi2): Fix destination predicate.
3696         * config/m68k/m68k-protos.h: Remove various declarations also
3697         generated via PREDICATE_CODES.
3698
3699 2004-07-23  Mike Stump  <mrs@apple.com>
3700
3701         * c-typeck.c (convert_for_assignment): Tightened up pointer
3702         converstions that differ in signedness.
3703
3704 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
3705
3706         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
3707
3708 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3709
3710         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
3711         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
3712
3713         * gimplify.c (gimplify_compound_lval): Check for no handled
3714         operations, rather than checking for explicit list of nodes.
3715         (is_gimple_addr_expr_arg_or_indirect): New function.
3716         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
3717         redundant setting of TREE_INVARIANT.
3718         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
3719         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
3720
3721 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
3722
3723         PR tree-optimization/16688
3724         PR tree-optimization/16689
3725         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
3726         unnecessary initialization of 'tag'.
3727         (get_tmt_for): Check that the new type tag has the same alias
3728         set as the pointed-to type.
3729         (group_aliases): Only regular variables need to be removed
3730         from the alias set of a name tag.
3731         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
3732         propagation if the two types are not compatible.
3733         (merge_alias_info): Rename from replace_ssa_names_ann.
3734         Add more checking.
3735         (replace_exp_1): If both arguments are SSA_NAMEs, check that
3736         the propagation can be done.
3737         Only call merge_alias_info on pointers.
3738         (propagate_value): Likewise.
3739         * tree-ssa-copyrename.c: Include langhooks.h.
3740         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
3741         to do the merging.
3742         Do not coalesce variables with incompatible types.
3743         (rename_ssa_copies): Call replace_ssa_name_symbol.
3744         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
3745         the same type as the underlying _DECL.
3746         * tree-ssanames.c (replace_ssa_name_symbol): New function.
3747         * tree.h (replace_ssa_name_symbol): Declare.
3748
3749 2004-07-23  Richard Henderson  <rth@redhat.com>
3750
3751         PR c++/16277
3752         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
3753         unshare it properly.
3754         (gimplify_modify_expr_rhs): Push assignment from a conditional into
3755         the conditional for all non-register types.
3756
3757 2004-07-23  Richard Henderson  <rth@redhat.com>
3758
3759         * expr.c (expand_expr_real_1): Don't handle non-local variables.
3760         * expr.h (fix_lexical_addr): Remove.
3761         * function.c (NEED_SEPARATE_AP): Remove.
3762         (fix_lexical_addr): Remove.
3763         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
3764         not null decl_function_context.
3765         (create_alias_vars): Likewise.
3766         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
3767         (simple_goto_p): Likewise.
3768         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
3769         * tree-ssa-ccp.c (get_default_value): Likewise.
3770         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3771         * tree.c (needs_to_live_in_memory): Likewise.
3772         * tree-flow-inline.h (may_be_aliased): Move...
3773         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
3774         when TREE_STATIC variables may be addressable.
3775
3776 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
3777
3778         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
3779
3780 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
3781
3782         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
3783         bitmap contents if GENERATOR_FILE is defined.
3784         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
3785         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
3786
3787 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
3788
3789         * c-decl.c (start_function): Form composite type of function types
3790         rather than copying type from previous prototype declaration.
3791
3792 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
3793
3794         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
3795         the const qualifier for the second argument in the C++ functions.
3796
3797         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
3798         specific pointer types.
3799
3800         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
3801         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
3802         for vector bool and/or vector pixel, add C++ and C missing support.
3803         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
3804         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
3805         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
3806         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
3807         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
3808         missing C++ and C support for vector bool and/or vector pixel.
3809         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
3810         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
3811         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
3812         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
3813         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
3814         C++ and C types used for vector bool and/or vector pixel.
3815         (vec_st, vec_stl): Add C++ support for vector pixel.
3816         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
3817         (vec_all_ne): Add C++ support for vector pixel.
3818
3819         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
3820         (vec_vmulesb): Add missing C++ function.
3821         (vec_perm): Fix type of third argument in C++ function.
3822         (vec_vsum4shs): Fix C++ function name.
3823         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
3824         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
3825         argument passed to the error handler in C macro.
3826         (vec_nmsub): Remove extra parens around argument names in C macro.
3827         (vec_packpx): Add missing parens in C macro.
3828
3829 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
3830
3831         * machmode.def: Remove vector modes.
3832         * config/alpha/alpha-modes.def: Add supported vector modes.
3833         * config/arm/arm-modes.def: Likewise.
3834         * config/frv/frv-modes.def: Likewise.
3835         * config/i386/i386-modes.def: Likewise.
3836         * config/rs6000/rs6000-modes.def: Likewise.
3837         * config/sh/sh-modes.def: Likewise.
3838
3839 2004-07-23  Matthias Klose  <doko@debian.org>
3840
3841         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
3842         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
3843         * config.h: Regenerate.
3844         * configure: Likewise.
3845
3846 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
3847
3848         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
3849         generated SYMBOL_REFs for labels.
3850         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
3851         Change prototype.
3852         (machopic_stub_name): Remove.
3853         (machopic_indirection_name): New function.
3854         (machopic_mcount_stub_name): Likewise.
3855         (machopic_classify_name): Remove.
3856         (machopic_function_base_sym): New function.
3857         (machpoic_classify_symbol): Likewise.
3858         (machopic_classify_ident): Remove.
3859         (machopic_define_ident): Likewise.
3860         (machopic_define_name): Likewise.
3861         (machopic_name_defined_p): Likewise.
3862         (machopic_ident_defined_p): Likewise.
3863         (darwin_strip_name_encoding): Likewise.
3864         (machopic_define_symbol): New function.
3865         * config/darwin.c (hashtab.h): Include.
3866         (machopic_defined_list): Remove.
3867         (machopic_classify_ident): Likewise.
3868         (machopic_classify_name): Likewise.
3869         (machopic_ident_defined_p): Likewise.
3870         (machopic_define_ident): Likewise.
3871         (machopic_define_name): Likewise.
3872         (machopic_symbol_defined_p): New function.
3873         (machopic_classify_symbol): Likewise.
3874         (machopic_data_defined_p): Use machopic_classify_symbol.
3875         (machopic_define_symbol): New function.
3876         (machopic_function_base_sym): New function.
3877         (machopic_non_lazy_pointers): Remove.
3878         (machopic_non_lazy_ptr_name): Likewise.
3879         (machopic_stubs): Likewise.
3880         (machopic_stub_name): Likewise.
3881         (NON_LAZY_POINTER_SUFFIX): New macro.
3882         (STUB_SUFFIX): Likewise.
3883         (machopic_indirection): New structure.
3884         (machopic_indirections): New variable.
3885         (machopic_indirection_hash): New function.
3886         (machopic_indirection_eq): Likewise.
3887         (machopic_indirection_name): Likewise.
3888         (machopic_mcount_stub_name): New function.
3889         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
3890         hash table.
3891         (machopic_indirect_data_reference): Rework to use new functions.
3892         (machopic_indirect_call_target): Likewise.
3893         (machopic_legitimize_pic_address): Likewise.
3894         (machopic_output_indirection): New function.
3895         (machopic_finish): Use it.
3896         (machopic_operand_p): Rework to use new functions.
3897         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
3898         (darwin_strip_name_encoding): Remove.
3899         (update_non_lazy_ptrs): Remove.
3900         (update_stubs): Likewise.
3901         (darwin_non_lazy_pcrel): Use new functions.
3902         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
3903         (ASM_OUTPUT_LABELREF): Likewise.
3904         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3905         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
3906         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
3907         (TARGET_STRIP_NAME_ENCODING): Do not use
3908         darwin_strip_name_encoding.
3909         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
3910         darwin_strip_name_encoding.
3911         * config/i386/darwin.h (FUNCTION_PROFILER): Use
3912         machopic_mcount_stub_name.
3913         * config/i386/i386.c (x86_output_mi_thunk): Use
3914         machopic_indirection_name, not machopic_stub_name.
3915         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
3916         machopic_function_base_sym.
3917         (print_operand): Use machopic_classify_symbol.
3918         (rs6000_emit_prologue): Use machopic_function_base_sym.
3919         (output_profile_hook): Do not use machopic_stub_name.
3920         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
3921
3922 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3923
3924         PR c/7284
3925         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
3926         as multiplication.
3927
3928 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3929
3930         * doc/implement-c.texi: New file.
3931         * doc/extend.texi (C Implementation): Move to there.
3932         * doc/gcc.texi: Include implement-c.texi.
3933         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
3934
3935 2004-07-22  Jason Merrill  <jason@redhat.com>
3936
3937         * integrate.c (copy_decl_for_inlining): Remove invisible reference
3938         handling.
3939         * tree-inline.c (setup_one_parameter): Likewise.
3940
3941 2004-07-22  Brian Booth  <bbooth@redhat.com>
3942
3943         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
3944         (substitute_and_fold): Propigate into VUSE operands when possible.
3945         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
3946         (cp_lattice_meet): Handle merging of latticevalues when
3947         UNKNOWN_VAL is present.
3948         (visit_stmt): Visit assignments with V_MUST_DEFs.
3949         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
3950         (ccp_fold): Deal with RHS' that are constant and virtual.
3951         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
3952         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
3953         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
3954         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
3955         computing immediate uses.
3956         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
3957         transition.
3958         (replace_vuse_in): New function.
3959         (likely_value): Add check of vuse operands.
3960         (get_default_value): Set the default value of virtually defined
3961         variables to UKNOWN_VAL instead of VARYING.
3962
3963 2004-07-22  Richard Henderson  <rth@redhat.com>
3964
3965         * expr.c (emit_push_insn): Don't use set_mem_attributes.
3966
3967 2004-07-22  Richard Henderson  <rth@redhat.com>
3968
3969         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
3970         variables due to conditional compilation.
3971
3972 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
3973
3974         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
3975         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
3976         Release SSA names that have been re-renamed.
3977         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
3978         variable.
3979         * tree-ssa-alias.c (init_alias_info): If aliases have been
3980         computed before, clear existing alias information.
3981         (create_name_tags): Do no fixup PT_ANYTHING pointers.
3982         If the new name tag for a pointer is different than the one it
3983         had before, mark the old tag for renaming.
3984         (replace_may_alias): New function.
3985         (group_aliases): Call it.
3986         (setup_pointers_and_addressables): Always call get_tmt_for.
3987         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
3988         once.
3989         (set_pt_anything): New local function.
3990         (set_pt_malloc): New local function.
3991         (merge_pointed_to_info): Don't merge pointed-to variables from
3992         the original pointer if the destination is pointing to an
3993         unknown location.
3994         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
3995         (add_pointed_to_var): Do not add a variable to the points-to
3996         set if the pointer is already pointing to anywhere.
3997         (collect_points_to_info_r): If the defining statement is a PHI
3998         node, only merge pointed-to information if the argument has
3999         already been visited.
4000         (get_tmt_for): Only create a new tag if the pointer didn't
4001         have one already.
4002         (dump_alias_info): Emit more information.
4003         (dump_points_to_info_for): Likewise.
4004         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
4005         try to get the annotation of an SSA_NAME.
4006         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
4007         alias sets when checking is enabled.
4008         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
4009         (eliminate): Mark basic blocks that will need
4010         EH information cleaned up.
4011         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
4012         predecessor.
4013         Initialize need_eh_cleanup.
4014         (fini_pre): Call tree_purge_all_dead_eh_edges and
4015         cleanup_tree_cfg if needed.
4016         Free need_eh_cleanup.
4017         * tree-ssa.c (verify_ssa_name): New function.
4018         (verify_def): Call it.
4019         Re-arrange to avoid printing too many error messages.
4020         (verify_use): Likewise.
4021         (verify_phi_args): Likewise.
4022         (verify_flow_insensitive_alias_info): New function.
4023         (verify_flow_sensitive_alias_info): New function.
4024         (verify_alias_info): New function.
4025         (verify_ssa): Call verify_alias_info.
4026         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
4027         program.
4028         Re-arrange to avoid printing too many error messages.
4029         * tree-ssanames.c (make_ssa_name): Clear
4030         SSA_NAME_IN_FREE_LIST.
4031         (release_ssa_name): Never release a default definition.
4032         (release_defs): New function.
4033         * tree.h: Declare it.
4034         * tree-ssa-dce.c (remove_dead_stmt): Call it.
4035
4036 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
4037
4038         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
4039         If true, do a depth-first search.  Do a breadht-first search,
4040         otherwise.
4041         (walk_use_def_chains): Add new argument IS_DFS.
4042         Update all users.
4043         * tree-flow.h (walk_use_def_chains): Update prototype.
4044
4045 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
4046
4047         * config/cris/cris.md: Tweak formatting.
4048         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
4049         (mover2side, moverside, movemside, movei, op3, andu): Replace
4050         live define_peephole:s with define_peephole2 near-equivalents.
4051         Delete the rest.
4052         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
4053         word-size modes.
4054         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
4055         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
4056         "*mov_sidesi_mem" respectively.
4057
4058 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
4059
4060         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
4061         (gimplify_build1): Move from tree-complex.c do_unop.
4062         (gimplify_build2): Move from tree-complex.c do_binop.
4063         (gimplify_build3): New.
4064         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
4065         Adjust throughout to call the functions above.
4066         * tree-flow.h: Declare the functions above.
4067         * tree-nested.c (gimplify_val): Rename to...
4068         (tsi_gimplify_val): ... this.
4069
4070         * Makefile.in (tree_complex.o): Update dependencies.
4071         (stor-layout.o): Depend on regs.h.
4072         * c-common.c (handle_vector_size_attribute): Update for
4073         vector types without corresponding vector modes.
4074         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
4075         a corresponding vector mode is not available.
4076         * print-tree.c (print_node): Print nunits for vector types
4077         * regclass.c (have_regs_of_mode): New.
4078         (init_reg_sets_1): Initialize it and use it instead
4079         of allocatable_regs_of_mode.
4080         * regs.h (have_regs_of_mode): Declare it.
4081         * stor-layout.c (layout_type): Pick a mode for vector types.
4082         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
4083         build_replicated_const, do_unop, do_binop, do_plus_minus,
4084         do_negate, expand_vector_piecewise, expand_vector_parallel,
4085         expand_vector_addition, expand_vector_operations_1,
4086         expand_vector_operations, tree_lower_operations,
4087         pass_lower_vector_ssa, pass_pre_expand): New.
4088         (expand_complex_operations, pass_lower_complex): Remove.
4089         * tree-optimize.c (init_tree_optimization_passes): Adjust
4090         pass ordering for changes in tree-complex.c.
4091         * tree-pass.h: Declare new passes.
4092         * tree.c (finish_vector_type): Remove.
4093         (make_vector_type): New.
4094         (build_vector_type_for_mode, build_vector_type): Rewritten.
4095         * tree.def (VECTOR_TYPE): Document where the number of
4096         subparts is stored.
4097         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
4098         (make_vector): Remove declaration.
4099
4100 2004-07-21  Richard Henderson  <rth@redhat.com>
4101
4102         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
4103         TREE_THIS_VOLATILE, may_aliases, or optimization level.
4104         (remove_useless_vars): Dump debugging info.
4105         (expand_used_vars): Move ...
4106         * cfgexpand.c (expand_used_vars): ... here.  Make static.
4107         * tree-flow-inline.h (set_is_used): New.
4108         (set_default_def): Use get_var_ann.
4109         * tree-flow.h: Update decls.
4110         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
4111         (create_ssa_var_map): Use it.
4112         * tree-ssa.c (set_is_used): Remove.
4113
4114 2004-07-22  Ben Elliston  <bje@au.ibm.com>
4115
4116         * gdbinit.in: Set a breakpoint on internal_error.
4117
4118 2004-07-21  Richard Henderson  <rth@redhat.com>
4119
4120         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
4121         to create a new basic block.
4122
4123 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4124
4125         PR c/15052
4126         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
4127         return type on function definitions.  Move other warnings for
4128         qualified return type to -Wreturn-type.  Do not condition any such
4129         warnings on -pedantic.  Update comments.
4130         (start_function): Only copy function type from previous prototype
4131         declaration if return types are compatible.
4132         * c-typeck.c (function_types_compatible_p): Don't condition
4133         warning for incompatibility of volatile qualifiers on the return
4134         type on -pedantic.  Update comment.
4135         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
4136
4137 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4138
4139         * c-typeck.c (set_init_index): Require designator to be of integer
4140         type.
4141
4142 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4143
4144         PR c/11250
4145         * c-parse.in (init): Change to exprtype.
4146         (primary): Set original_code for STRING to STRING_CST.
4147         Call maybe_warn_string_init for compound literals.
4148         (initdcl, notype_initdcl): Call maybe_warn_string_init.
4149         (initval): Update.
4150         * c-tree.h (maybe_warn_string_init): New.
4151         (pop_init_level, process_init_element): Use struct c_expr.
4152         (struct c_expr): Update comment.
4153         * c-typeck.c (maybe_warn_string_init): New function.
4154         (digest_init): Call it.  Additional parameter strict_string.  All
4155         callers changed.
4156         (output_init_element): Likewise.
4157         (struct constructor_stack): Use struct c_expr for
4158         replacement_value.
4159         (really_start_incremental_init, push_init_level): Update.
4160         (pop_init_level): Update.  Return struct c_expr.
4161         (process_init_level): Update.  Take struct c_expr argument.
4162
4163 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
4164
4165         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
4166         commit.
4167
4168 2004-07-21  Eric Christopher  <echristo@redhat.com>
4169
4170         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
4171         removal.
4172         * c-decl.c (pop_scope): Ditto.
4173         * calls.c (expand_call): Remove call to current_nesting_level,
4174         update comment accordingly. Remove calls to expand_start_target_temps
4175         and expand_end_target_temps.
4176         * cfgexpand.c (construct_init_block): Remove call to
4177         expand_start_bindings_and_block.
4178         (construct_exit_block): Remove call to expand_end_bindings.
4179         * expr.c (safe_from_p): Remove BIND_EXPR handling.
4180         (expand_expr_real_1): Ditto. Fix formatting.
4181         (expand_vars): Delete.
4182         * stmt.c (POPSTACK): Remove block_stack.
4183         (stmt_status): Remove x_block_stack.
4184         (block_stack): Delete.
4185         (expand_start_bindings_and_block): Ditto.
4186         (expand_start_target_temps): Ditto.
4187         (expand_end_target_temps): Ditto.
4188         (current_nesting_level): Ditto.
4189         (warn_about_unused_variables): Ditto.
4190         (expand_end_bindings): Ditto.
4191         * tree.h: Remove declarations for above.
4192
4193 2004-07-21  Steven Bosscher  <stevenb@suse.de>
4194
4195         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
4196         * rtl.c (note_insn_name): Likewise.
4197         * print-rtl.c (print_rtx): Don't print it.
4198         * cfgrtl.h (can_delete_note_p): Don't handle it.
4199         (rtl_delete_block): Likewise.
4200         * passes.c (rest_of_handle_guess_branch_prob): Remove.
4201         (rest_of_compilation): Don't call it.
4202         * predict.c (process_note_predictions, process_note_prediction,
4203         note_prediction_to_br_prob): Remove.
4204         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
4205         * stmt.c (return_prediction): Remove.
4206         (expand_value_return): Don't call it.  Don't add prediction
4207         notes for return statements.
4208
4209 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
4210
4211         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
4212         once.
4213
4214 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
4215
4216         * c-common.c (vector_types_convertible_p): Use vector types'
4217         TYPE_SIZE and TREE_TYPE instead of their mode.
4218         * convert.c (convert_to_integer): Likewise.
4219         (convert_to_vector): Likewise.
4220         * fold-const.c (fold_convert): Likewise.
4221         * varasm.c (output_constant): Likewise.
4222         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
4223         Allow a VECTOR_TYPE initializer to be made of several vectors.
4224         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
4225         of cleared and need_to_clear, and use fold_convert.
4226         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
4227         integer vectors.
4228
4229 2004-07-20  Richard Henderson  <rth@redhat.com>
4230
4231         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
4232         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
4233
4234 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
4235
4236         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
4237         enormous cost if not TARGET_HARD_MUL.
4238
4239 2004-07-20  Andrew Pinski  <apinski@apple.com>
4240
4241         PR target/16557
4242         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
4243         (ASM_SPEC): here.
4244
4245 2004-07-21  Paul brook  <paul@codesourcery.com>
4246
4247         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
4248
4249 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4250
4251         * fold-const.c (operand_equal_p): Temporarily support NULL args.
4252         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
4253         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
4254
4255 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
4256
4257         * rtl.h (plus_constant): Delete.
4258         (plus_constant_wide): Rename to plus_constant.
4259         (plus_constant_for_output_wide): Delete vestigial prototype.
4260         (GEN_INT): Remove unnecessary cast.
4261         * tree.h (build_int_2, size_int_type): Delete.
4262         (build_int_2_wide): Rename to build_int_2.
4263         (size_int_wide): Rename to size_int_kind.
4264         (size_int_type_wide): Rename to size_int_type.
4265         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
4266         Remove unnecessary cast.
4267         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
4268         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
4269         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
4270         (size_int_type_wide): Rename size_int_type.
4271         (int_const_binop): Use size_int_type.
4272         * c-lex.c (interpret_integer): Use build_int_2.
4273         * final.c (split_double): Remove unnecessary casts.
4274         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
4275
4276 2004-07-20  Richard Henderson  <rth@redhat.com>
4277
4278         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
4279         (gimplify_compound_lval): Use is_gimple_tmp_reg.
4280         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
4281         (is_gimple_tmp_reg): New.
4282         * tree-gimple.h (is_gimple_tmp_reg): Declare.
4283
4284 2004-07-20  Richard Henderson  <rth@redhat.com>
4285
4286         * tree-pretty-print.c (dump_generic_node): Dump
4287         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
4288
4289 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
4290
4291         * tree-mudflap.c (mf_set_options_fndecl): New tree.
4292         (mudflap_init): Set it.
4293         (mudflap_register_call): Remove __mf_init call.
4294         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
4295         to pass "-ignore-reads" option to libmudflap if needed.
4296
4297 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
4298
4299         PR c++/14607
4300         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
4301         (MAKE_DECL_ONE_ONLY): Undefine.
4302         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
4303         readonly_data, one_only_data_section, forget_section): New prototypes.
4304         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
4305         functions.
4306         (pa_select_section): Add one-only (COMDAT) support.
4307         * pa.h (struct machine_function): Define.
4308         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
4309         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
4310         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
4311         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
4312         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
4313         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
4314         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
4315         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
4316         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
4317         for EXTRA_SECTION_FUNCTIONS.
4318         * doc/install.texi: Update binutils requirements.
4319
4320 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
4321
4322         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
4323         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
4324         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
4325         size_t.
4326         (struct VEC): Use unsigned for num and alloc.
4327         * vec.c (struct vec_prefix): Likewise.
4328         (vec_o_reserve): Adjust.
4329
4330         * dbxout.c (dbxout_type): Fix printf format.
4331
4332         * tree.h (binfo_member): Remove.
4333         * tree.c (binfo_member): Remove.
4334
4335 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
4336
4337         * tree.h: Include vec.h
4338         (DEF_VEC_P(tree)): New type.
4339         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
4340         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
4341         (BINFO_LANG_SLOT): Remove.
4342         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
4343         (struct tree_binfo): Turn base_binfos into a trailing
4344         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
4345         (binfo_lang_slots): Remove.
4346         * tree.c (binfo_lang_slots): Remove.
4347         (make_tree_binfo_stat): Take a base binfo count, not a
4348         lang slot count.  Adjust.
4349         * Makefile.in (TREE_H): Add vec.h
4350         * alias.c (record_component_aliases): Adjust BINFO access.
4351         * dbxout.c (dbxout_type): Likewise.
4352         * dwarf2out.c (gen_member_die): Likewise.
4353         * sdbout.c (sdbout_one_type): Likewise.
4354         * tree-dump.c (deque_and_dump): Likewise.
4355         * config/i386/i386.c (classify_argument,
4356         contains_128bit_aligned_vector_p): Likewise.
4357         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
4358         * doc/c-tree.texi (Classes): Update BINFO documentation.
4359
4360 2004-07-20  Steven Bosscher  <stevenb@suse.de>
4361
4362         * c-common.h (check_case_value): Remove prototype.
4363         (c_add_case_label): Adjust prototype.
4364         * c-common.c (check_case_value): Make static.
4365         (check_case_bounds): New function.
4366         (c_add_case_label): Use it.  Take new argument orig_type.
4367         * c-typeck.c (struct c_switch): New orig_type field.
4368         (c_start_case): Set it.
4369         (do_case): Pass it to c_add_case_label.
4370         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
4371         cases from here.  Add the labels in reverse order.
4372         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
4373         (add_case_node): Return nothing, don't check for duplicate cases.
4374         Insert new case nodes in a list, not in an AVL tree.
4375         (expand_end_case_type): Don't turn a case tree into a case list.
4376         (case_tree2list): Remove.
4377         * tree.h (add_case_node): Adjust prototype.
4378
4379 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
4380
4381         * genattr.c (struct range, struct function_unit,
4382         write_units, extend_range, init_range): Remove them.
4383         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
4384         Output "#define INSN_SCHEDULING" here.
4385         * genattrtab.c (struct range, struct function_unit_op,
4386         struct function_unit, struct dimension, enum operator,
4387         operate_exp, expand_units, simplify_knowing,
4388         encode_units_mask, simplify_by_exploding,
4389         find_and_mark_used_attributes, unmark_used_attributes,
4390         add_values_to_cover, increment_current_value,
4391         test_for_current_value, simplify_with_current_value,
4392         simplify_with_current_value_aux, gen_unit,
4393         write_unit_name, write_function_unit_info,
4394         write_complex_function, write_toplevel_expr,
4395         find_single_value, extend_range): Remove.
4396         (write_attr_get): Do not handle common_av->value
4397         being an FFS.
4398         (struct attr_desc): Remove func_units_p and blockage_p.
4399         (write_attr_valueq): Do not handle them.
4400         (find_attr): Do not clear them.
4401         (make_internal_attr): Do not initialize them.
4402         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
4403         * sched-vis.c (init_target_units, insn_print_units,
4404         init_block_visualization, print_block_visualization,
4405         visualize_scheduled_insns, visualize_no_unit,
4406         visualize_stall_cycles, visualize_alloc,
4407         visualize_free, target_units, get_visual_tbl_length,
4408         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
4409         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
4410         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
4411         * haifa-sched.c (blockage_range, clear_units,
4412         schedule_unit, actual_hazard, potential_hazard,
4413         insn_unit, unit_last_insn, unit_tick,
4414         actual_hazard_this_instance, potential_hazard,
4415         schedule_unit, max_insn_queue_index_value): Remove.
4416         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
4417         max_insn_queue_index.
4418         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
4419         * doc/md.texi (Processor pipeline description): Remove
4420         references to old pipeline descriptions.
4421         (Automaton pipeline description): Merge with the above.
4422         (Old pipeline description, Comparison of the two descriptions):
4423         Remove.
4424
4425         * bt-load.c (migrate_btr_def): Remove references to
4426         use_pipeline_interface.
4427         * haifa-sched.c (insn_cost, schedule_insn,
4428         schedule_block, advance_one_cycle, sched_init,
4429         queue_to_ready, sched_finish): Likewise.
4430         * modulo-sched.c (sms_schedule, advance_one_cycle,
4431         ps_has_conflicts): Likewise.
4432         * sched-rgn.c (init_ready): Likewise.
4433         (debug_dependencies): Likewise, and remove an "if (1)".
4434         * target.h (use_dfa_pipeline_interface): Remove.
4435         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4436         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4437         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4438         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4439         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4440         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4441         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4442         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4443         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4444         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4445         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4446         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4447         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4448         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4449         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4450         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4451         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4452         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4453         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4454
4455 2004-07-19  Roger Sayle  <roger@eyesopen.com>
4456
4457         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
4458
4459 2004-07-19  Jeff Law  <law@redhat.com>
4460
4461         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
4462         (get_eq_expr_value): Use it.  Simplify slightly.
4463
4464 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
4465
4466         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
4467         (umulsidi3_32bit_r4000): Likewise.
4468
4469 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
4470
4471         * vec.h: Propagate location information properly.
4472         (VEC_T_iterate): Add result pointer parameter.
4473         (VEC_T_space): New.
4474         (VEC_T_reserve): Use it.
4475
4476 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
4477
4478         * Makefile.in (c-format.o): Depend on c-format.h.
4479         * c-format.h: New file.
4480         (struct format_char_info): Add CHAIN member.
4481         * c-format.c: Move some types and constants to c-format.h.
4482         (format_type_error): Set to -1.
4483         (struct function_format_info): Use an int for format_type.
4484         (decode_format_type): Return an int.  Return format_type_error
4485         on error.
4486         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
4487         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
4488         (scan_char_table, time_char_table, monetary_char_table): Initialize
4489         CHAIN to NULL.
4490         (n_format_types): New variable.
4491         (check_format_info_main): Handle CHAIN in format_char_info.
4492         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
4493         TARGET_N_FORMAT_TYPES.
4494         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
4495         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
4496         * config/sol2-c.c: New file.
4497         * config/t-sol2: New file.
4498         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
4499         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
4500         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
4501
4502         * doc/extend.texi (Target Format Checks): New section.
4503         (Function Attributes): Mention it.
4504         * doc/invoke.texi: Mention target format checks.
4505         * doc/sourcebuild.texi: Mention target format checks.
4506         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
4507         TARGET_FORMAT_TYPES.
4508
4509 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4510
4511         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
4512         added.
4513         * config/s390/s390.c (regclass_map initializer): Register 35 added to
4514         ADDR_REGS.
4515         (load_multiple_operation, store_multiple_operation): Removed
4516         pointless sanity check.
4517         (s390_decompose_address): Added check for return_address_pointer_rtx.
4518         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
4519         (s390_return_address_offset): New function.
4520         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
4521         (FRAME_REGNO_P): Added check for register 35.
4522         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
4523         REG_ALLOC_ORDER): Appended entry for register 35.
4524         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
4525         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
4526         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
4527         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
4528         is eliminable using stack pointer or hard frame pointer.
4529         (REGISTER_NAMES): Added name for register 35.
4530         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
4531         pointless sanity check.
4532
4533 2004-07-19  Roger Sayle  <roger@eyesopen.com>
4534
4535         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
4536         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
4537         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
4538         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
4539         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
4540         (fold_relational_const): Tidy up handling of floating point
4541         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
4542         transformation; fold_relational_const assumes constant operands.
4543
4544 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
4545
4546         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
4547         directory.
4548
4549 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
4550
4551         * c-tree.h (struct c_expr): Define.
4552         (C_SET_EXP_ORIGINAL_CODE): Remove.
4553         (parser_build_binary_op, build_compound_expr): Update prototypes.
4554         * c-parse.in (%union): Add exprtype.
4555         (FUNC_NAME): Mark as ttype.
4556         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
4557         exprtype.
4558         (expr): Update.  Define directly in terms of expr_no_commas
4559         instead of using nonnull_exprlist.
4560         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
4561         offsetof_member_designator, typespec_nonreserved_nonattr, init,
4562         initval, designator, component_declarator,
4563         component_notype_declarator, enumerator, array_declarator,
4564         condition, exexpr, switch_statement, stmt_nocomp, stmt,
4565         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
4566         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
4567         where appropriate.
4568         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
4569         * c-common.c (c_common_truthvalue_conversion): Don't check
4570         C_EXP_ORIGINAL_CODE.
4571         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
4572         Don't use C_EXP_ORIGINAL_CODE.
4573         (default_conversion, default_function_array_conversion): Don't use
4574         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
4575         (internal_build_compound_expr): Merge into build_compound_expr.
4576         (build_compound_expr): Take two operands instead of a TREE_LIST.
4577         * objc/objc-act.c (get_super_receiver): Update calls to
4578         build_compound_expr.
4579
4580 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
4581
4582         * config/sh/sh.c (sh_use_dfa_interface): Remove.
4583         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
4584         hook_int_void_1.
4585         * config/sh/sh.md: Extract pipeline descriptions
4586         into separate files.
4587         * config/sh/sh1.md: New file, extracted from sh.md.
4588         * config/sh/sh4.md: New file, extracted from sh.md.
4589         * config/sh/shmedia.md: New file, extracted from sh.md
4590         and rewritten using new-style pipeline description.
4591
4592 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
4593
4594         * config/pa/pa.md: Delete the two remaining define_peephole
4595         patterns.
4596
4597 2004-07-18  Steven Bosscher  <stevenb@suse.de>
4598             Joseph S. Myers  <jsm@polyomino.org.uk>
4599
4600         * c-common.c (c_common_truthvalue_conversion): Don't warn if
4601         TREE_NO_WARNING is set.
4602
4603 2004-07-18  Roger Sayle  <roger@eyesopen.com>
4604
4605         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
4606         simplify_builtin_strncmp): Delete.
4607         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
4608         Change argument to accept an arglist instead of an "exp".  Assume
4609         that the return type is always integer_type_node.  Copy missing
4610         transformations from their now obsolete simplify_builtin_*
4611         equivalents.
4612         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
4613         fold_builtin_strcmp and fold_builtin_strncmp.
4614         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
4615         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
4616         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
4617
4618 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
4619
4620         * Makefile.in (tree-alias-common.o): Update dependencies.
4621
4622 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
4623
4624         * cfgloop.c (flow_loop_nested_p): Fix comment.
4625
4626 2004-07-17  Jason Merrill  <jason@redhat.com>
4627
4628         PR c++/16115
4629         * stor-layout.c (relayout_decl): New fn.
4630         * tree.h: Declare it.
4631         (DECL_BY_REFERENCE): New macro.
4632
4633 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
4634
4635         * libgcc2.c (__enable_execute_stack): New symbol.
4636         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
4637         and declare __enable_execute_stack.
4638         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
4639         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
4640         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4641         ENABLE_EXECUTE_STACK.
4642         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
4643         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4644         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4645         ENABLE_EXECUTE_STACK.
4646         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4647         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
4648         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4649         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4650         ENABLE_EXECUTE_STACK.
4651         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4652         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4653         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4654         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4655         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
4656         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4657         (sparc64_initialize_trampoline): Likewise.
4658         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
4659
4660 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
4661
4662         * langhooks.h (builtin_function): New langhook.
4663         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
4664         (LANG_HOOKS_INITIALIZER): Update.
4665         * tree.h (builtin_function): Remove.
4666         * doc/tm.texi: Update.
4667         * c-tree.h (builtin_function): Declare.
4668         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
4669         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
4670         config/ia64/ia64.c, config/iq2000/iq2000.c,
4671         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
4672         config/stormy16/stormy16.c: All callers of builtin_function
4673         changed.
4674
4675 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
4676
4677         PR target/16556
4678         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
4679         Remove white space after the backslash.
4680
4681 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4682
4683         PR rtl-optimization/16294
4684         * resource.c (return_insn_p): New predicate.
4685         (mark_target_live_regs): Use it.  Special-case return insns.
4686         (init_resource_info): Use it.  Don't scan the epilogue past
4687         a return.
4688
4689 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4690
4691         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
4692         destroy dominance information.
4693         * passes.c (rest_of_handle_loop2):  Free dominance information.
4694         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
4695         jump threading.
4696         (thread_jumps): Update dominance information and remove unreachable
4697         blocks.
4698         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
4699         information and remove the unreachable block.
4700
4701 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
4702
4703         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
4704
4705 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
4706
4707         * doc/sourcebuild.texi: Remove libf2c entry.
4708
4709 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
4710
4711         * config/i386/i386.md (movv16qi_internal): Fix typo.
4712
4713 2004-07-17  Steven Bosscher  <stevenb@suse.de>
4714
4715         * final.c (final_scan_insn): Fix broken commit from previous
4716         patch.
4717
4718 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
4719
4720         * c-typeck.c (parser_build_binary_op): Condition warnings for
4721         X<=Y<=Z on -Wparentheses instead of -Wextra.
4722         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
4723         supported for C only.
4724
4725 2004-07-17  Steven Bosscher  <stevenb@suse.de>
4726
4727         * cfgcleanup.c (try_simplify_condjump): Don't remove line
4728         notes to avoid unreachable code warnings.
4729         * toplev.c (backend_init): Don't emit line notes for
4730         unreachable code warnings.
4731
4732         * combine.c (distribute_notes): Don't distribute a
4733         REG_VTABLE_REF note.
4734         * final.c (final_scan_insn): Don't handle it.
4735         * rtl.c (reg_note_name): Remove it.
4736         * rtl.h (enum reg_node): Dito.
4737
4738         * emit-rtl.c (force_line_numbers, restore_line_number_status):
4739         Remove.
4740         * rtl.h (force_line_numbers, restore_line_number_status):
4741         Remove prototypes.
4742
4743         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
4744         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
4745         (using_eh_for_cleanups): Also moved here.
4746
4747         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
4748         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
4749         to expand_start_case and add_case_node.
4750         * stmt.c (struct nesting): Cleanup unused fields condition_code,
4751         last_unconditional_cleanup, nominal_type, printname, and
4752         line_number_status.
4753         (struct fixup_goto): Remove.
4754         (struct stmt_status): Remove x_goto_fixup_chain field.
4755         (goto_fixup_chain): Remove.
4756         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
4757         pushcase, pushcase_range): Remove.
4758         (expand_start_bindings_and_block): Don't set unused fields in
4759         the nesting stack.
4760         (expand_start_case, add_case_node): Cleanup unused formal arguments.
4761         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
4762         instead of emit_jump_if_reachable.
4763         (emit_case_nodes): Likewise.
4764         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
4765         static.
4766         (update_eh_label): Work around left-over exception handing regions.
4767         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
4768         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
4769         (pass_cleanup_cfg_post_optimizing): New pass.
4770         (init_tree_optimization_passes): Run the new pass after all
4771         optimizations.
4772         * tree.h (pushcase, pushcase_range): Remove prototypes.
4773         (expand_start_case, add_case_node): Update prototypes.
4774
4775 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
4776
4777         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
4778
4779 2004-07-16  Richard Henderson  <rth@redhat.com>
4780
4781         * builtins.c (std_expand_builtin_va_arg): Remove.
4782         (expand_builtin_va_arg): Remove.
4783         * expr.h: Don't declare them.
4784         * gimplify.c (mark_decls_volatile_r): Remove.
4785         (copy_if_shared_r): Don't call it.
4786         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
4787         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
4788         * gimple-low.c (lower_stmt): Likewise.
4789         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
4790         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
4791         * tree-ssa-operands.c (get_expr_operands): Likewise.
4792         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
4793         EXPAND_BUILTIN_VA_ARG.
4794         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
4795         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
4796         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
4797         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
4798
4799 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
4800
4801         * tree-ssa-pre.c (insert_aux): Break out if we hit
4802         a critical edge.
4803
4804 2004-07-16  Richard Henderson  <rth@redhat.com>
4805
4806         * basic-block.h (remove_fake_exit_edges): Declare.
4807         * cfganal.c (remove_fake_predecessors): Rename from
4808         remove_fake_successors; iterate over predecessors.
4809         (remove_fake_exit_edges): New.
4810         * cfgcleanup.c (try_optimize_cfg): Use it.
4811         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
4812         * predict.c (estimate_probability): Likewise.
4813         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
4814         * tree-cfg.c (make_edges): Likewise.
4815         * tree-ssa-pre.c (fini_pre): Likewise.
4816         * profile.c (instrument_edges): Don't remove_fake_edges.
4817         (branch_prob): Do it earlier here.
4818
4819 2004-07-16  Richard Henderson  <rth@redhat.com>
4820
4821         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
4822         switchification wrt CONSTRUCTOR.  Document the reason.
4823
4824 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
4825
4826         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
4827         that prevented descriptive __mf_check source location strings.
4828
4829 2004-07-16  Richard Henderson  <rth@redhat.com>
4830
4831         * tree-def (WITH_SIZE_EXPR): New.
4832         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
4833         * expr.c (expand_expr_real_1): Likewise.
4834         * gimplify.c (maybe_with_size_expr): New.
4835         (gimplify_arg, gimplify_modify_expr): Use it.
4836         (gimplify_modify_expr_to_memcpy): Take size parameter.
4837         (gimplify_modify_expr_to_memset): Likewise.
4838         (gimplify_expr): Handle WITH_SIZE_EXPR.
4839         * tree-alias-common.c (find_func_aliases): Likewise.
4840         * tree-eh.c (tree_could_trap_p): Likewise.
4841         (tree_could_throw_p): Likewise.
4842         * tree-gimple.c (is_gimple_lvalue): Likewise.
4843         (get_call_expr_in): Likewise.
4844         * tree-inline.c (estimate_num_insns_1): Likewise.
4845         (expand_calls_inline): Likewise.
4846         * tree-nested.c (convert_call_expr): Likewise.
4847         * tree-pretty-print.c (dump_generic_node): Likewise.
4848         * tree-sra.c (sra_walk_expr): Likewise.
4849         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4850         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
4851         * tree-ssa-operands.c (get_expr_operands): Likewise.
4852         * tree-tailcall.c (find_tail_calls): Likewise.
4853
4854         * calls.c (expand_call): Reset old_stack_allocated after
4855         calling emit_stack_restore.
4856
4857 2004-07-16  Richard Henderson  <rth@redhat.com>
4858
4859         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
4860         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4861         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4862         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4863         copy_res_decl_for_inlining.
4864
4865         * tree-inline.c (declare_return_variable): New modify_dest argument.
4866         Use it as the return value, when possible or manditory.  Handle
4867         TREE_ADDRESSABLE types.
4868         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
4869         replacement of CALL_EXPR.
4870
4871 2004-07-16  Richard Henderson  <rth@redhat.com>
4872
4873         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
4874         * gimple-low.c (expand_var_p): Don't check it.
4875         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
4876         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
4877         * tree-ssa-operands.c (add_stmt_operand): Likewise.
4878         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
4879         (find_referenced_vars): Don't call them.
4880         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
4881
4882 2004-07-16  Richard Henderson  <rth@redhat.com>
4883
4884         * function.c (pass_by_reference): True for all variable sized types.
4885
4886 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
4887
4888         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
4889         * tree-pretty-print.c: Include tree-chrec.h.
4890         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
4891         and POLYNOMIAL_CHREC nodes.
4892
4893 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
4894
4895         * builtins.c (expand_builtin_stpcpy): Do not create temporary
4896         reg with VOIDmode.
4897
4898 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4899
4900         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
4901
4902 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
4903
4904         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
4905         to BASE_REGNUM.
4906         * config/s390/s390.c: Likewise.
4907         * config/s390/s390.h: Likewise.
4908
4909 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4910
4911         * config/mips/mips.md (addsi3, adddi3): Remove special handling
4912         of $sp adds.  Remove REGNO checks from mips16 patterns.
4913
4914 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4915
4916         * config/mips/mips.md: Delete outdated comment.
4917
4918 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4919
4920         * config/mips/mips.c (get_float_compare_codes): Delete.
4921         (mips_emit_compare): New function, mostly extracted from
4922         get_float_compare_codes and gen_conditional_branch.
4923         (gen_conditional_branch, gen_conditional_move): Use it.
4924
4925 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4926
4927         * genautomata.c (add_vect): Speedup by using integers as
4928         bit-vectors for walking through the comb_vect and finding
4929         a match.
4930
4931 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4932
4933         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
4934         operand is an uns_arith_operand; use subtraction otherwise.
4935         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
4936         not just arith_operands.
4937
4938 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4939
4940         * config/mips/mips-protos.h (gen_int_relational): Delete.
4941         (mips_emit_scc): Declare.
4942         * config/mips/mips.c (internal_test): Delete.
4943         (sle_operand, sleu_operand): New functions.
4944         (map_test_to_internal_test, gen_int_relational): Delete.
4945         (mips_emit_binary, mips_relational_operand_ok_p)
4946         (mips_emit_int_relational, mips_zero_if_equal)
4947         (mips_emit_scc): New functions.
4948         (gen_conditional_branch): Rework to use mips_emit_int_relational.
4949         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
4950         sleu_operand.
4951         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
4952         (sltu, sleu): Use mips_emit_scc.
4953         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
4954         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
4955         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
4956
4957 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4958
4959         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
4960
4961 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4962
4963         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
4964         (*sne_[sd]i): Likewise sne_[sd]i_zero.
4965         (*sgt_[sd]i): ...and sgt_[sd]i.
4966         (*slt_[sd]i): ...and slt_[sd]i.
4967         (*sgtu_[sd]i): ...and sgtu_[sd]i.
4968         (*sltu_[sd]i): ...and sltu_[sd]i.
4969         (*sleu_[sd]i): ...and sleu_[sd]i_const.
4970         Name previously unnamed mips16 patterns.  Formatting fixes.
4971
4972 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4973
4974         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
4975         (branch_type): Delete.
4976         (gen_conditional_branch, gen_conditional_move)
4977         (mips_gen_conditional_trap): Update after name change.  Get the
4978         comparison mode from cmp_operands[0].
4979         * config/mips/mips.h (cmp_type, branch_type): Delete.
4980         (cmp_operands): Renamed from branch_cmp.
4981         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
4982         name change.  Don't set branch_type.
4983         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
4984         mode class of cmp_operands[0] rather than branch_type.  Update after
4985         name change.
4986
4987 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4988
4989         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
4990         of 0...255 to 0 when inside a SET.
4991
4992 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4993
4994         * config/mips/mips.md: Remove mips16 define_peepholes.
4995
4996 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
4997
4998         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
4999         (fini_pre): Remove fake edges.
5000
5001 2004-07-15  Richard Henderson  <rth@redhat.com>
5002
5003         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
5004         (get_indirect_ref_operands, get_call_expr_operands): ... these.
5005
5006 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
5007
5008         * vec.h (VEC_address): New function.
5009
5010 2004-07-14  Jason Merrill  <jason@redhat.com>
5011
5012         PR middle-end/15885
5013         * gimplify.c (gimplify_arg): New fn, split out from...
5014         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
5015
5016 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
5017
5018         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
5019         generate code which is generated by pushqi1 now
5020         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
5021
5022 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
5023
5024         * combine.c (simplify_set): match the mode of the constant 0 with
5025         the tested operand to match the compare behaviour and the
5026         simplify_relational_operation() expectation.
5027
5028 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
5029
5030         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
5031         ("bordered"): Same.
5032
5033 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
5034
5035         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
5036         unconditionally.
5037         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
5038
5039 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
5040
5041         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
5042         calls in mips16 code.
5043
5044 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
5045
5046         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
5047         the destination of the li as well as for the neg.
5048
5049 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
5050
5051         g++/15861
5052         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
5053         * cgraph.h: Update declaration.
5054         * c-decl.c (build_cdtor): Update call with default priority.
5055         * coverage.c (create_coverage): Ditto.
5056         * tree-mudflap.c (mf_init_fndecl): New tree.
5057         (mudflap_init): Set it.
5058         (mudflap_register_call): Arrange to call __mf_init before the first
5059         __mf_register call.
5060         (mudflap_finish_file): Mark the mudflap static initializer as extra
5061         high priority, to beat all C++ static constructors.
5062
5063 2004-07-15  Jeff Law  <law@redhat.com>
5064
5065         * loop.c (check_insn_for_givs): Restore check for code labels that was
5066         accidentally deleted by a recent checkin.
5067
5068 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
5069
5070         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
5071         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
5072
5073 2004-07-14  Richard Henderson  <rth@redhat.com>
5074
5075         * print-tree.c (print_node): Fix casts last change.
5076
5077 2004-07-15  Paul Brook  <paul@codesourcery.com>
5078
5079         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
5080         to TARGET_UNWIND_INFO.
5081         * except.c (output_function_exception_table): Ditto.
5082         * except.h: Ditto.
5083         * opts.c (decode_options): Ditto.
5084         * passes.c (rest_of_handle_final): Ditto.
5085         * final.c (final_start_function): Ditto.
5086         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
5087         target hook.
5088         * targhooks.h (default_unwind_emit): Declare.
5089         * targhooks.c (default_unwind_emit): New function.
5090         * target-def.h: Define and use TARGET_UNWIND_EMIT.
5091         * target.h (struct gcc_target): Add unwind_emit.
5092         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
5093         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
5094         Remove IA64_UNWIND_EMIT.
5095         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
5096
5097 2004-07-14  Richard Henderson  <rth@redhat.com>
5098
5099         * print-tree.c (print_node): Handle SSA_NAME.
5100
5101 2004-07-14  James E Wilson  <wilson@specifixinc.com>
5102
5103         PR target/16325
5104         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
5105         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
5106
5107 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
5108
5109         * expr.c (expand_assignment): Reenable bitfield += optimizations.
5110         Use alias set 0 for memory, do proper mode calculations and adjust
5111         address for memories.
5112
5113 2004-07-14  Per Bothner  <per@bothner.com>
5114
5115         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
5116         structure with extra column field.
5117         * tree.c (expand_location):  Also fill in column field.
5118         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
5119         gets confused by the two conditionally-compiled definitions.
5120
5121 2004-07-14  Eric Christopher  <echristo@redhat.com>
5122
5123         * calls.c (expand_call): Fix typo in comment.
5124
5125 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
5126
5127         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
5128         comparision of TFmode.
5129
5130 2004-07-14  Richard Henderson  <rth@redhat.com>
5131
5132         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
5133         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
5134         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
5135         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5136         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5137         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
5138         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5139         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5140         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5141
5142 2004-07-14  Mike Stump  <mrs@apple.com>
5143
5144         * config/darwin.h (WINT_TYPE): Define to be int to match
5145         system header files.
5146
5147 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
5148
5149         * config/xtensa/xtensa.c (function_arg_advance): Check for args
5150         that must be passed in the stack.
5151         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
5152         arguments if the size is not a constant.
5153
5154 2004-07-14  Per Bothner  <per@bothner.com>
5155
5156         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
5157         instead of EXPR_LOCUS in a boolean context, which is always true
5158         if --enable-mapped-location.
5159         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
5160
5161 2004-07-14  Richard Henderson  <rth@redhat.com>
5162
5163         * dominance.c (struct dom_info): Add fake_exit_edge.
5164         (init_dom_info): Allocate it.
5165         (free_dom_info): Free it.
5166         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
5167         in two passes.
5168         (calc_idoms): Honor fake_exit_edge.
5169
5170 2004-07-13  Jason Merrill  <jason@redhat.com>
5171
5172         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
5173         (rhs_test_for): New fn.
5174         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
5175         * tree-gimple.h: Declare them.
5176         * gimplify.c (gimplify_modify_expr): Use the new fns.
5177
5178 2004-07-14  Richard Henderson  <rth@redhat.com>
5179
5180         * config/arm/arm-protos.h (arm_va_arg): Remove.
5181         * config/arm/arm.c (arm_va_arg): Remove.
5182         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
5183         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
5184
5185 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5186
5187         * pa.c (fix_range): New function to mark a range(s) of registers as
5188         fixed registers.
5189         (override_options): Call fix_range if the -mfixed-range option string
5190         is not empty.
5191         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
5192         * doc/invoke.texi (-mfixed-range): Document new option.
5193
5194 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
5195
5196         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
5197         for TARGET_64BIT.
5198         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
5199
5200 2004-07-14  Roger Sayle  <roger@eyesopen.com>
5201
5202         * expmed.c (expand_sdiv_pow2): New function to expand signed division
5203         by a positive power of two, split out from expand_divmod.  Provide
5204         an alternate implementation when shifts are expensive.  Lower the
5205         threshold for using a branchless implementation to BRANCH_COST >= 2.
5206         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
5207
5208 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5209
5210         * tree-dfa.c (make_rename_temp): *Really* work just
5211         like create_tmp_var if called while outside SSA form.
5212
5213 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
5214
5215         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
5216         for division by zero.
5217         ("umodsi3"): Likewise.
5218
5219 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
5220
5221         * config/mips/mips.c (mips_output_move): When generating mips16 code,
5222         force loads of negative constants to be split.
5223         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
5224         Generalize SImode li/neg splitter to cope with other modes.
5225
5226 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5227
5228         * expmed.c: Remove more references to QUEUED in the comments.
5229         * expr.c: Likewise.
5230
5231 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
5232
5233         Revert:
5234         2004-07-13  Richard Henderson  <rth@redhat.com>
5235         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
5236         correctly.
5237
5238 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5239
5240         * tree-dfa.c (make_rename_temp): Work just like
5241         create_tmp_var if called while outside SSA form.
5242
5243 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5244
5245         * expr.c (enqueue_insn, finish_expr_for_function,
5246         protect_from_queue, queued_subexp_p, mark_queue,
5247         emit_insns_enqueued_after_mark, emit_queue,
5248         expand_increment): Remove.
5249         (store_constructor): Expand increment as an assignment.
5250         (expand_expr_real_1 <case PREINCREMENT_EXPR,
5251         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
5252         case POSTDECREMENT_EXPR>): Abort.
5253         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
5254         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
5255         protect_from_queue, emit_queue, queued_subexp_p): Remove.
5256         * function.h (pending_chain, x_pending_chain): Remove.
5257         * rtl.def (QUEUED): Remove.
5258
5259         * emit-rtl.c (copy_insn_1, copy_most_rtx,
5260         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
5261         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
5262         encode_units_mask): Likewise.
5263         * local-alloc.c (equiv_init_varies_p): Likewise.
5264         * rtl.c (copy_rtx): Likewise.
5265         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5266         * simplify-rtx.c (simplify_gen_subreg): Likewise.
5267         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
5268
5269         * builtins.c (expand_builtin, expand_builtin_apply,
5270         expand_builtin_mathfn, expand_builtin_mathfn_2,
5271         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
5272         Remove calls to emit_queue and protect_from_queue.
5273         * calls.c (expand_call, precompute_arguments,
5274         precompute_register_parameters, rtx_for_function_call,
5275         store_one_arg): Likewise.
5276         * dojump.c (do_compare_and_jump, do_jump): Likewise.
5277         * explow.c (memory_address): Likewise.
5278         * expmed.c (clear_by_pieces_1, clear_storage,
5279         clear_storage_via_libcall, emit_group_load,
5280         emit_group_store, emit_store_flag,
5281         expand_expr_real_1, store_by_pieces,
5282         store_constructor, store_expr, try_casesi,
5283         try_tablejump): Likewise.
5284         * function.c (expand_pending_sizes): Likewise.
5285         * optabs.c (emit_cmp_and_jump_insns,
5286         emit_conditional_add, emit_conditional_move,
5287         expand_fix, expand_float, prepare_cmp_insn): Likewise.
5288         * stmt.c (emit_case_bit_tests,
5289         expand_asm_expr, expand_computed_goto,
5290         expand_decl_init, expand_end_case_type,
5291         expand_end_stmt_expr, expand_expr_stmt_value,
5292         expand_return, expand_start_case,
5293         optimize_tail_recursion): Likewise.
5294         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5295         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
5296
5297 2004-07-14  Ben Elliston  <bje@au.ibm.com>
5298
5299         * vec.h: Comment fix.
5300
5301 2004-07-13  Richard Henderson  <rth@redhat.com>
5302
5303         * target.h (struct gcc_target): Add calls.pass_by_reference.
5304         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
5305         * function.c (pass_by_reference): Use the hook.
5306         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
5307         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
5308         (hook_pass_by_reference_must_pass_in_stack): New.
5309         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
5310         (alpha_pass_by_reference): New.
5311         (TARGET_PASS_BY_REFERENCE): New.
5312         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5313         * config/arc/arc.c (arc_pass_by_reference): New.
5314         (TARGET_PASS_BY_REFERENCE): New.
5315         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5316         (FUNCTION_ARG_CALLEE_COPIES): True.
5317         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
5318         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
5319         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
5320         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5321         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5322         * config/cris/cris.c (cris_pass_by_reference): New.
5323         (TARGET_PASS_BY_REFERENCE): New.
5324         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
5325         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
5326         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5327         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
5328         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5329         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
5330         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
5331         (frv_function_arg_pass_by_reference): Remove.
5332         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5333         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
5334         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
5335         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
5336         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5337         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
5338         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
5339         (ia64_pass_by_reference): Rename from
5340         ia64_function_arg_pass_by_reference.
5341         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5342         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5343         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
5344         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
5345         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
5346         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5347         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5348         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
5349         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
5350         (m32r_pass_by_reference): Adjust prototype.  Make static.
5351         Handle mode sizes correctly.
5352         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5353         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
5354         (m68hc11_function_arg_pass_by_reference): Remove.
5355         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5356         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5357         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
5358         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5359         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
5360         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
5361         (mips_va_arg): Use pass_by_reference.
5362         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
5363         Handle mode sizes correctly.
5364         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5365         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5366         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
5367         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
5368         (mmix_pass_by_reference): Rename from
5369         mmix_function_arg_pass_by_reference.
5370         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5371         (FUNCTION_ARG_CALLEE_COPIES): True.
5372         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
5373         (mn10300_pass_by_reference): New.
5374         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5375         (FUNCTION_ARG_CALLEE_COPIES): True.
5376         * config/pa/pa.c (pa_pass_by_reference): New.
5377         (TARGET_PASS_BY_REFERENCE): New.
5378         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5379         (FUNCTION_ARG_CALLEE_COPIES): True.
5380         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
5381         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
5382         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
5383         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5384         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
5385         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
5386         (s390_pass_by_reference): Rename from
5387         s390_function_arg_pass_by_reference.
5388         (s390_function_arg_advance): Don't query pass-by-ref.
5389         (s390_function_arg): Likewise.
5390         (s390_gimplify_va_arg): Use pass_by_reference.
5391         (s390_call_saved_register_used): Likewise.
5392         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5393         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
5394         (shcompact_byref, sh_pass_by_reference): New.
5395         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5396         (SHCOMPACT_BYREF): Remove.
5397         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
5398         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
5399         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
5400         (sparc_gimplify_va_arg): Use pass_by_reference.
5401         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5402         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5403         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
5404         (v850_pass_by_reference): New.
5405         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5406         (FUNCTION_ARG_CALLEE_COPIES): True.
5407         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
5408         FUNCTION_ARG_PASS_BY_REFERENCE docs.
5409
5410 2004-07-14  Richard Henderson  <rth@redhat.com>
5411             Richard Sandiford  <rsandifo@redhat.com>
5412
5413         * config/mips/mips-protos.h (mips_va_arg): Delete.
5414         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
5415         * config/mips/mips.c: Include tree-gimple.h.
5416         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
5417         (mips_arg_info): Remove special handling of must_pass_in_stck args.
5418         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
5419         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
5420
5421 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
5422
5423         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
5424         arguments for COND_EXPR in big-endian adjustment code.
5425
5426 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5427
5428         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
5429         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
5430         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
5431         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
5432
5433 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
5434
5435         PR tree-optimization/16443
5436         * tree-ssa-alias.c: Add more description for
5437         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
5438         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
5439         clobbering of call-clobbered and addressable variables.  If
5440         there are any before aliases have been computed, add them.
5441
5442 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
5443
5444         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
5445         verification.
5446
5447 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
5448
5449         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
5450         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
5451         to the same type.
5452
5453 2004-07-13  Per Bothner  <per@bothner.com>
5454
5455         * collect2.c (main):  Handle --no-demangle and --demangle flags.
5456
5457 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
5458
5459         * Makefile.in (OBJS-common): Add tree-data-ref.o.
5460         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
5461         (tree-data-ref.o): New rule.
5462         * lambda.h: New file.
5463         * tree-data-ref.c: New file.
5464         * tree-data-ref.h: New file.
5465         * tree.c (int_cst_value, tree_fold_gcd): New functions.
5466         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
5467
5468 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5469
5470         PR target/13926
5471         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
5472         * config/sparc/sparc.c (output_ubranch): New function.
5473         * config/sparc/sparc.md (jump pattern): Use it.
5474
5475 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5476
5477         PR target/16494
5478         * config/sparc/sparc.c (output_cbranch): Properly guard
5479         the code handling far branches with TARGET_V9.
5480         * config/sparc/sparc.md (length attribute): Document the
5481         side-effect of having a length greater or equal to 3.
5482
5483 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5484             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
5485
5486         PR target/15186
5487         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
5488         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
5489
5490 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5491             Martin Sebor  <sebor@roguewave.com>
5492
5493         PR target/12602
5494         * doc/invoke.texi (SPARC options): Document -threads
5495         and -pthreads on Solaris.
5496
5497 2004-07-13  Richard Henderson  <rth@redhat.com>
5498
5499         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
5500         by reference.
5501         (ind_gimplify_va_arg_expr): Remove.
5502         * tree.h (ind_gimplify_va_arg_expr): Remove.
5503         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
5504         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
5505         argsp to be null.
5506
5507         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
5508         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
5509         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
5510         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
5511         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
5512
5513 2004-07-13  Richard Henderson  <rth@redhat.com>
5514
5515         * function.c (pass_by_reference): New.
5516         (assign_parm_find_data_types): Use it.
5517         * calls.c (initialize_argument_information): Likewise.
5518         (emit_library_call_value_1): Likewise.
5519         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5520         * function.h (pass_by_reference): Declare.
5521
5522 2004-07-13  Richard Henderson  <rth@redhat.com>
5523
5524         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
5525         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
5526         * expr.h (MUST_PASS_IN_STACK): Remove.
5527         * system.h (MUST_PASS_IN_STACK): Poison.
5528         * tree.h (must_pass_in_stack_var_size): Declare.
5529         (must_pass_in_stack_var_size_or_pad): Declare.
5530         * calls.c (must_pass_in_stack_var_size): New.
5531         (must_pass_in_stack_var_size_or_pad): Rename from
5532         default_must_pass_in_stack.
5533         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
5534         (TARGET_MUST_PASS_IN_STACK): New.
5535         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
5536         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
5537         (TARGET_MUST_PASS_IN_STACK): New.
5538         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
5539         * config/frv/frv.c (frv_must_pass_in_stack): New.
5540         (TARGET_MUST_PASS_IN_STACK): New.
5541         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
5542         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
5543         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
5544         (ix86_must_pass_in_stack): Make static.
5545         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
5546         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
5547         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
5548         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
5549         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
5550         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
5551         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
5552         (mcore_must_pass_on_stack): Remove.
5553         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
5554         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
5555         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
5556         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
5557         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
5558         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
5559         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
5560         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
5561         (TARGET_MUST_PASS_IN_STACK): New.
5562         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
5563         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
5564         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
5565         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
5566         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
5567         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
5568         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
5569         MUST_PASS_IN_STACK.
5570
5571         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
5572         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
5573         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
5574         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
5575         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
5576         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
5577         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
5578         config/xtensa/xtensa.c: Use target hook.
5579
5580 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
5581
5582         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
5583         * configure: Rebuilt.
5584
5585 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
5586
5587         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
5588         * config/mips/mips.h (mips_reg_names): Don't declare.
5589         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
5590         (TARGET_NAME_REGS): Delete.
5591         (TARGET_SWITCHES): Remove -mrnames.
5592         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
5593         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
5594         in REGISTER_NAMES.
5595         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
5596         (override_options): Remove handling of TARGET_NAME_REGS.
5597
5598 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
5599
5600         * config/mips/mips.h (TARGET_*): Boolify.
5601
5602 2004-07-12  Nick Clifton  <nickc@redhat.com>
5603
5604         * config.gcc: Add sh-*-symbianelf target.
5605         * config/sh/sh.c: Add new target macros:
5606         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
5607         TARGET_CXX_IMPORT_EXPORT_CLASS.
5608         (sh_file_start): Create a definition of the .directive section.
5609         (sh_attribute): Add dllimport and dllexport attributes.
5610         * config/sh/symbian-pre.h: New file.
5611         * config/sh/symbian-post.h: New file.
5612         * config/sh/symbian.c: New file. Contains Symbian specific
5613         functions.
5614         * config/sh/sh-protos.h: Add prototypes for new functions
5615         provided by symbian.c.
5616         * config/sh/t-symbian: New file.
5617         * doc/extend.texi: Document support for dllimport and dllexport
5618         attributes by the sh-symbianelf target.
5619
5620 2004-07-12  James E Wilson  <wilson@specifixinc.com>
5621
5622         * Makefile.in (AR): Use @AR@ not ar.
5623         (NM): New.
5624         (AR_FOR_TARGET): Use $(AR) not ar for native.
5625         (NM_FOR_TARGET): Use $(NM) not nm for native.
5626         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
5627         * configure: Regenerate.
5628
5629 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
5630
5631         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
5632         special case.
5633         (ashldi3_sp64): Likewise.
5634
5635 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5636
5637         PR target/16477
5638         * pa.c (function_arg): Update comment.
5639         * pa.h (BLOCK_REG_PADDING): Define.
5640
5641 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5642
5643         PR tree-optimization/16461
5644         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
5645         arguments of phi nodes.
5646
5647 2004-07-12  Devang Patel  <dpatel@apple.com>
5648
5649         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
5650
5651 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
5652
5653         * function.c (expand_function_start): Ensure r_save is in Pmode.
5654         * calls.c (prepare_call_address): Ensure static_chain_value is
5655         in Pmode.
5656         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
5657         r_save_area are in Pmode.
5658         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
5659         fnaddr, and static_chain are in Pmode.
5660
5661 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
5662
5663         PR target/16445
5664         * config/ia64/ia64.c (bundling): Don't count ignored insns.
5665
5666 2004-07-12  Richard Henderson  <rth@redhat.com>
5667
5668         * target.h (struct gcc_target): Move gimplify_va_arg_expr
5669         next to build_builtin_va_list.
5670         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
5671         * builtins.c (gimplify_va_arg_expr): Likewise.
5672         * gimplify.c (copy_if_shared_r): Likewise.
5673
5674 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
5675
5676         * passes.c (rest_of_decl_compilation): Don't defer call of
5677         assemble_variable if its DECL_RTL is already set.
5678
5679 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
5680
5681         * cfgloop.h (struct loop): Add nb_iterations field.
5682         (current_loops): Declare.
5683         * tree-chrec.c (chrec_not_analyzed_yet,
5684         chrec_dont_know, chrec_known, count_ev_in_wider_type,
5685         chrec_contains_symbols_defined_in_loop): Remove the temporary
5686         hooks.
5687         * tree-flow-inline.h (loop_containing_stmt): New function.
5688         * tree-scalar-evolution.c: Add implementation.
5689         * tree-scalar-evolution.h: Add declarations.
5690
5691 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
5692
5693         PR rtl-optimization/15921
5694         * Makefile.in (global.o): Add recog.h.
5695
5696         * global.c (recog.h): Add the include-clause.
5697         (bb_info): New member earlyclobber.
5698         (allocate_bb_info, free_bb_info): Initialize/finish the new
5699         member.
5700         (earlyclobber_regclass, earlyclobber_regclass_length): The new
5701         global variables.
5702         (check_earlyclobber, regclass_intersect,
5703         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
5704         New functions.
5705         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
5706         (make_accurate_live_analysis): Modify pavin.
5707
5708 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
5709
5710         * tree-cfg.c (find_taken_edge): Statically compute the truth
5711         value of a predicate comparing an SSA_NAME to itself.
5712
5713 2004-07-12  Roger Sayle  <roger@eyesopen.com>
5714
5715         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
5716         rs6000 doesn't have shift-and-add or shift-and-sub instructions
5717         by returning the cost of a multiplication plus an addition.
5718
5719 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
5720
5721         PR tree-optimization/14107
5722         * gimplify.c (gimplify_return_expr): Accept a
5723         RETURN_EXPR with an error argument.
5724         * tree-optimize.c (init_tree_optimization_passes):
5725         Run pass_warn_function_return at -O0.
5726
5727 2004-07-12  Roger Sayle  <roger@eyesopen.com>
5728
5729         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
5730         index entry.
5731
5732 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
5733
5734         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
5735         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5736         * config/mips/3000.md: Add copyright notice.  Remove automota and
5737         function units; use generic ones instead.  Only define reservations
5738         for things that are different from generic.md.  Extend each clause
5739         to include r3900.
5740         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
5741         * config/mips/mips.md: Include them. Remove define_function_units.
5742         (alu, imuldiv): New automata and units.
5743
5744 2004-07-12  Ben Elliston  <bje@au.ibm.com>
5745
5746         * doc/invoke.texi (Optimize Options): Document -frename-registers
5747         not being enabled by default at -O3.
5748
5749 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5750
5751         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
5752         floating point additions, to keep real immediate constant positive.
5753         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
5754         into X + C, and leave positive real constants as X - C.
5755
5756 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5757
5758         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
5759
5760 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5761
5762         PR tree-optimization/15654
5763         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
5764
5765 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5766
5767         * builtins.c (fold_builtin_fputs): Don't bother converting the
5768         return type to integer_type_node, as we've already checked that
5769         the result will be ignored.
5770
5771         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
5772         that signed addition, subtraction, multiplication, division,
5773         remainder, negation and absolute value may potentially trap.
5774
5775         * fold-const.c (fold_ignored_result): New function to strip
5776         non-side-effecting tree nodes from an expression whose result
5777         is ignored.
5778         (fold_convert): Call fold_ignored_result when casting a value
5779         to VOID_TYPE.
5780         (omit_one_operand):  Call fold_ignored_result on the "omitted"
5781         operand when building a COMPOUND_EXPR.
5782         (pedantic_omit_one_operand): Likewise.
5783         * tree.h (fold_ignored_result): Prototype here.
5784         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
5785         when we're going to ignore the result.
5786
5787 2004-07-11  Richard Henderson  <rth@redhat.com>
5788
5789         PR tree-opt/16383
5790         * tree-ssa-ccp.c (fold_stmt_r): Split out...
5791         * tree.c (fields_compatible_p, find_compatible_field): ... new.
5792         * tree.h (fields_compatible_p, find_compatible_field): Declare.
5793         * tree-sra.c (sra_hash_tree): Hash fields by offset.
5794         (sra_elt_eq): Use fields_compatible_p.
5795         (generate_one_element_ref): Use find_compatible_field.
5796
5797 2004-07-11  Richard Henderson  <rth@redhat.com>
5798
5799         PR tree-opt/16422
5800         * tree-sra.c (generate_one_element_init): New.
5801         (generate_element_init): Use it.
5802         (scalarize_init): Push/pop gimplify context around it.
5803         (find_new_referenced_vars_1, find_new_referenced_vars): New.
5804         * gimplify.c (gimplify_expr): Allow SSA_NAME.
5805
5806 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5807
5808         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
5809         combine.c's combine_insn_cost.
5810         * rtl.h (insn_rtx_cost): Prototype here.
5811         * combine.c (combine_insn_cost): Delete function.
5812         (combine_validate_cost): Update callers of combine_insn_cost to
5813         call insn_rtx_cost instead.
5814         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
5815         requesting the rtx_cost of call and/or jump instructions.
5816
5817         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
5818         rtx_cost directly.  Don't request/use the cost of call or jump
5819         instructions.  Return -1 if the cost of any instruction can't be
5820         determined (or the BB contains a function call).
5821         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
5822         -1 (i.e. can't determine the cost of any instruction or the basic
5823         block contains a subroutine call).
5824         (find_if_case_2): Likewise.
5825
5826 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5827
5828         * rs6000.c (struct processor_costs): Change semantics of fields to
5829         include the COST_N_INSNS scaling, and update all initializers.
5830         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
5831         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
5832         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
5833         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
5834
5835 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5836
5837         * LANGUAGES: Remove obsolete information.
5838
5839 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5840
5841         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
5842         SIGBUS signal frames, the PSW address points *to* the faulting
5843         instruction, not after it.
5844
5845 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5846
5847         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
5848         added to TLS symbol addresses.
5849
5850 2004-07-11  Richard Henderson  <rth@redhat.com>
5851
5852         * expmed.c (init_expmed): Use stack-local structures for
5853         temporary rtl.  Don't recognize shifts.
5854
5855 2004-07-11  Richard Henderson  <rth@redhat.com>
5856
5857         * expr.c (store_expr): Don't fiddle subreg promotion for types
5858         with precision smaller than the mode.
5859
5860 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5861
5862         * tree.h (all_types_permanent): Remove.
5863
5864 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5865
5866         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
5867         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
5868         * langhooks.c (lhd_clear_binding_stack): Remove.
5869         * langhooks-def.h (lhd_clear_binding_stack,
5870         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5871         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
5872         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
5873         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5874         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
5875         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
5876         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
5877         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5878         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
5879         * tree.h (poplevel): Don't declare.
5880         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
5881         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5882         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
5883         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
5884         Remove.
5885
5886 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5887
5888         PR tree-optimization/16437
5889         * c-common.c (shorten_compare): Don't mark result of conversion to
5890         narrower signed type as overflowing.
5891         * fold-const.c (decode_field_reference): Determine whether
5892         signedness comes from outer type using precision rather than size.
5893
5894 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5895
5896         * configure.ac:  Alphabetize --enable-checking list, add
5897         missing valgrind entry.
5898         * configure:  Regenerate.
5899
5900 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5901
5902         * doc/install.texi (Testing):  Fix syntax in "make check" example.
5903
5904 2004-07-10  James E Wilson  <wilson@specifixinc.com>
5905
5906         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
5907
5908 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5909
5910         PR rtl-optimization/16001
5911         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
5912         niter_expr.
5913
5914 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
5915
5916         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
5917
5918 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
5919             James Morrison  <phython@gcc.gnu.org>
5920
5921         * doc/contrib.texi (Contributors): Add gfortran contributors and
5922         fix a couple of typos.
5923
5924 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5925
5926         PR rtl-optimization/15387
5927         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
5928         to incoming args space correctly.
5929
5930 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5931
5932         * pa.c (output_indirect_call): Only use %r2 as the link register in
5933         indirect calls with the long PA 2.0 pc-relative branch.
5934
5935 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
5936
5937         * config/i386/i386.c (override_options): Pick a 64-bit CPU
5938         for the default tuning if TARGET_64BIT.
5939
5940 2004-07-10  Richard Henderson  <rth@redhat.com>
5941
5942         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
5943         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
5944
5945 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
5946
5947         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
5948         * expmed.c (store_bit_field, extract_bit_field): Remove last
5949         argument.
5950         * builtins.c (expand_builtin_signbit): Adjust callers.
5951         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
5952         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
5953         * ifcvt.c (noce_emit_move_insn): Likewise.
5954         * stmt.c (expand_return): Likewise.
5955         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
5956         store_field, expand_expr_real_1): Likewise.
5957
5958 2004-07-10  Richard Henderson  <rth@redhat.com>
5959
5960         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
5961
5962 2004-07-09  Mike Stump  <mrs@apple.com>
5963
5964         * config/darwin.c (no_dead_strip): Add.
5965         (HAVE_DEAD_STRIP): Add.
5966         (darwin_emit_unwind_label): Ensure that we don't dead code strip
5967         the .eh label.
5968
5969 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5970
5971         * tree-ssa-loop-im.c: New file.
5972         * Makefile.in (tree-ssa-loop-im.o): Add.
5973         * cfgloop.c (superloop_at_depth): New function.
5974         * cfgloop.h (superloop_at_depth): Declare.
5975         * common.opt (ftree-lim): New flag.
5976         * expr.c (array_ref_up_bound): New function.
5977         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
5978         * timevar.def (TV_LIM): New timevar.
5979         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
5980         computing immediate uses of a phi node.
5981         * tree-flow.h (struct tree_ann_common_d): Add aux field.
5982         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
5983         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
5984         * tree-pass.h (pass_lim): Declare.
5985         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
5986         functions.
5987         (pass_lim): New pass structure.
5988         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
5989         * tree.c (in_array_bounds_p): New function.
5990         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
5991         (in_array_bounds_p, array_ref_up_bound): Declare.
5992         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
5993         * doc/passes.texi (tree-ssa-loop-im.c): Document.
5994
5995 2004-07-09  Richard Henderson  <rth@redhat.com>
5996
5997         * builtins.c (expand_builtin_stpcpy): Don't modify len.
5998
5999         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
6000         with prejudice.
6001
6002 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
6003
6004         * flags.h: Delete redundant prototypes that are being generated
6005         in options.h from common.opt.
6006         * common.opt: Add in the expository comments formerly in flags.h.
6007
6008 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6009
6010         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
6011         available for use only when TARGET_MMX/_SSE is set, and check for
6012         variable argument function if any register count is non-zero.
6013         (function_arg): Correctly suppress repeated warnings for passing SSE
6014         vectors are arguments without SSE enabled.
6015         (ix86_function_arg_boundary): Without SSE enabled, the use of what
6016         would be SSE register modes does no longer influence the alignment.
6017
6018 2004-07-09  Richard Henderson  <rth@redhat.com>
6019
6020         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
6021         Always align upward to arg boundary.  Use size_in_bytes/round_up.
6022         Maintain type-correctness of constants.
6023         * stor-layout.c (round_up, round_down): Special-case powers of 2.
6024
6025 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
6026
6027         * config/sparc/sparc.c (*_costs): Scale instruction costs
6028         by COSTS_N_INSNS.
6029         (sparc_rtx_costs): Adjust as appropriate.
6030
6031 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6032
6033         * config/i386/mm3dnow.h: New.
6034         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
6035
6036 2004-07-09  Richard Henderson  <rth@redhat.com>
6037
6038         * simplify-rtx.c (simplify_const_relational_operation): Only
6039         look at bounds of scalar integers.
6040
6041 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6042
6043         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
6044
6045 2004-07-09  Andrew Pinski  <apinski@apple.com>
6046
6047         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
6048         always referenced.
6049         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
6050         UOBJC_METACLASS_decl.
6051
6052 2004-07-09  James E Wilson  <wilson@specifixinc.com>
6053
6054         PR target/16364
6055         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
6056         do return a parallel if hfa_mode == XFmode and mode == TImode.
6057
6058 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6059
6060         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
6061         permissible for unary plus.
6062
6063 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6064
6065         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
6066         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
6067         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
6068         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
6069         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
6070         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
6071         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
6072         (BUILTIN_xxxIMAX): New.
6073         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
6074         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
6075         BUILT_IN_PARITYIMAX.
6076
6077 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
6078
6079         * config/sparc/sparc.h (processor_costs): Define.
6080         (sparc_costs): Declare.
6081         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
6082         hypersparc_costs, sparclet_costs, ultrasparc_costs,
6083         ultrasparc3_costs): New.
6084         (sparc_override_options): Set sparc_costs as appropriate.
6085         (sparc_rtx_costs): Use sparc_costs instead of messy
6086         conditionals.
6087
6088 2004-07-09  Steven Bosscher  <stevenb@suse.de>
6089
6090         * doc/md.texi (Processor pipeline description): Mention that
6091         the old pipeline description is deprecated.
6092
6093         * config/rs6000/7450.md (automaton ppc7450): Split up, move
6094         mciu_7450 function unit to...
6095         (automaton ppc7450mciu): ...new automaton.
6096
6097         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
6098         (schedule_block): Don't consider inserting bubbles.
6099         (sched_init): Don't initialize DFA bubbles.
6100         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
6101         TARGET_SCHED_DFA_BUBBLE): Remove.
6102         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
6103         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
6104         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
6105
6106         * stmt.c (conditional_context): Remove prototype.
6107         * tree.h (conditional_context): Remove.
6108         * tree-cfg.c (pre_insert_on_edge): Remove.
6109
6110         * c-common.h (c_expand_asm_operands): Remove prototype.
6111         * c-typeck.c (c_expand_asm_operands): Remove.
6112
6113 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6114
6115         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
6116         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
6117         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
6118         and V8QI are class SSE. All sufficiently small remaining vector modes
6119         must be passed in one or two integer registers.
6120         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
6121         returned in memory.
6122         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
6123         __builtin_ia32_pmuludq128 have non-uniform argument and return types
6124         and must thus be handled explicitly.
6125         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
6126         MMX and XMM regs.
6127         (movv8qi_internal, movv4hi_internal, movv2si_internal,
6128         movv2sf_internal): Permit moving between MMX and XMM registers (since
6129         MMX areguments and return values are passed in XMM registers).
6130         (sse2_umulsidi3): Correct type and mode.
6131
6132 2004-07-09  Richard Henderson  <rth@redhat.com>
6133
6134         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
6135
6136 2004-07-09  Eric Christopher  <echristo@redhat.com>
6137
6138         * config/rs6000/40x.md: Split into two automatons.
6139
6140 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
6141             Andrew Pinski  <apinski@apple.com>
6142
6143         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
6144         on when we have more than one input file.
6145         (c_common_parse_file): Restore loop over all input files.
6146         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
6147
6148         * c-decl.c (set_type_context): New function.
6149         (pop_scope): Use it to set context of types.  When we
6150         encounter a TYPE_DECL, set the context of the attached type too.
6151         (pop_file_scope): Don't call cpp_undef_all here.
6152         (diagnose_mismatched_decls): Do not complain about a second
6153         definition of an 'extern inline' function if it's not in the
6154         same translation unit.  Do not complain about inline
6155         declaration after use if the use was in a different
6156         translation unit.
6157         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
6158         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
6159         the external scope.
6160         (pushdecl_top_level): Likewise.
6161         (grokdeclarator): Clarify what is going on with setting
6162         DECL_EXTERNAL on function types, a little.
6163         (c_write_global_declarations): Don't do anything if
6164         -fsyntax-only or errors have been encountered.
6165
6166 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
6167
6168         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
6169
6170 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6171
6172         PR target/16459
6173         * pa.c (output_indirect_call): Use %r2 as the link register when
6174         calling $$dyncall with a pc-relative branch.
6175
6176 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
6177
6178         * doc/install.texi (Binaries): Mention OpenPKG.
6179
6180 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
6181
6182         Fix PR tree-optimization/15555
6183         * tree-dfa.c (dump_variable): If the variable is a pointer
6184         SSA_NAME, also dump its points-to information.
6185         * tree-flow.h (struct ptr_info_def): Add field
6186         is_dereferenced.
6187         (dump_points_to_info_for): Declare.
6188         (debug_points_to_info_for): Declare.
6189         * tree-optimize.c (init_tree_optimization_passes): Add a
6190         second alias analysis pass after DOM2.
6191         Move pass_del_pta to a later spot.
6192         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
6193         create a name tags when we find a dereferenced pointer.  Just
6194         mark the pointer dereferenced.
6195         (collect_points_to_info_for): Move code to clear points-to
6196         information to create_name_tags.
6197         (create_name_tags): New function.
6198         (compute_flow_sensitive_aliasing): Call it.
6199         (setup_pointers_and_addressables): Mark type tags for renaming
6200         here instead of ...
6201         (create_memory_tag): ... here.
6202         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
6203         (dump_points_to_info_for): Declare extern.
6204         (debug_points_to_info_for): New function.
6205
6206 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
6207
6208         * config/arc/arc.md: Switch to DFA-based scheduler description.
6209         * config/arc/arc.c: Switch to DFA-based scheduler description.
6210
6211 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6212
6213         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
6214         pointer.
6215
6216 2004-07-09  Richard Henderson  <rth@redhat.com>
6217
6218         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
6219         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6220         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
6221         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
6222
6223         * config/v850/v850-protos.h (v850_va_arg): Remove.
6224         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6225         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
6226         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
6227         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
6228         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
6229
6230 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6231
6232         PR target/12133
6233         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
6234         and DImode to use +/-4k offset.
6235
6236 2004-07-09  Richard Henderson  <rth@redhat.com>
6237
6238         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
6239         Remove.
6240         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6241         (xstormy16_gimplify_va_arg_expr): Rewrite from
6242         xstormy16_expand_builtin_va_arg.
6243         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
6244
6245         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
6246         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
6247
6248         * config/sh/sh-protos.h (sh_va_arg): Remove.
6249         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6250         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
6251         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
6252
6253         * config/pa/pa-protos.h (hppa_va_arg): Remove.
6254         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6255         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
6256         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
6257
6258         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
6259         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6260         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
6261         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
6262
6263 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
6264
6265         * config/sparc/sparc.md (return): Rewrite length formula.
6266         * config/sparc/sparc.c (output_return): Pass 1 as 5th
6267         argument to final_scan_insn when in a delay slot.
6268         (output_sibcall): Likewise.
6269
6270 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6271
6272         * arm.c (arm_cpp_interwork): New variable.
6273         (arm_override_options): Set it if TARGET_INTERWORK was on the command
6274         line.
6275         * arm.h (arm_cpp_interwork): Declare it.
6276         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
6277         __THUMB_INTERWORK__ in the preprocessor.
6278
6279 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
6280
6281         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
6282
6283 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
6284
6285         PR target/16416
6286         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
6287         Override default settings to account for -m32 and -m64.
6288
6289 2004-07-08  Randolph Chung  <tausq@debian.org>
6290
6291         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
6292
6293 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
6294
6295         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
6296         before comparing it as such.
6297
6298 2004-07-08  Richard Henderson  <rth@redhat.com>
6299
6300         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
6301         temporary.  Use bit arithmetic to align.
6302
6303 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
6304
6305         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
6306         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
6307         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
6308         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
6309         add_labels_and_missing_jumps, find_jump_block,
6310         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
6311         Likewise.
6312         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
6313         link_btr_uses, move_btr_def): Likewise.
6314         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
6315         expand_builtin_expect_jump): Likewise.
6316         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
6317         * calls.c (expand_call, emit_library_call_value_1): Likewise.
6318         * cfganal.c (forwarder_block_p): Likewise.
6319         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
6320         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
6321         find_bb_boundaries): Likewise.
6322         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6323         merge_blocks_move_predecessor_nojumps,
6324         merge_blocks_move_successor_nojumps, insns_match_p,
6325         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6326         try_optimize_cfg): Likewise.
6327         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
6328         * cfglayout.c (skip_insns_after_block, label_for_bb,
6329         record_effective_endpoints, insn_locators_initialize,
6330         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
6331         * cfgmainloop.c (create_loop_notes): Likewise.
6332         * cfgrtl.c (delete_insn, delete_insn_chain,
6333         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
6334         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
6335         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
6336         redirect_branch_edge, force_nonfallthru_and_redirect,
6337         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
6338         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
6339         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
6340         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
6341         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
6342         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
6343         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
6344         * combine.c (combine_instructions, can_combine_p, try_combine,
6345         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
6346         distribute_notes, distribute_links, insn_cuid): Likewise.
6347         * cse.c (fold_rtx, cse_insn, cse_around_loop,
6348         invalidate_skipped_block, cse_set_around_loop,
6349         cse_end_of_basic_block, cse_main, cse_basic_block,
6350         cse_condition_code_reg): Likewise.
6351         * cselib.c (cselib_process_insn): Likewise.
6352         * ddg.c (create_ddg): Likewise.
6353         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
6354         Likewise.
6355         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
6356         gen_label_die, dwarf2out_var_location): Likewise.
6357         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
6358         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
6359         last_call_insn, active_insn_p, next_label, prev_label,
6360         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
6361         add_insn_before, remove_insn, add_function_usage_to,
6362         reorder_insns, find_line_note, remove_unnecessary_notes,
6363         emit_insn_after_1, classify_insn): Likewise.
6364         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
6365         connect_post_landing_pads, sjlj_mark_call_sites,
6366         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
6367         can_throw_internal, can_throw_external, set_nothrow_function_flags,
6368         convert_to_eh_region_ranges): Likewise.
6369         * explow.c (optimize_save_area_alloca): Likewise.
6370         * expr.c (expand_expr_real): Likewise.
6371         * final.c (insn_current_reference_address, compute_alignments,
6372         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
6373         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
6374         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
6375         propagate_block_delete_insn, propagate_one_insn,
6376         init_propagate_block_info, propagate_block, libcall_dead_p,
6377         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
6378         Likewise.
6379         * function.c (instantiate_virtual_regs, reorder_blocks_1,
6380         expand_function_start, expand_function_end, contains,
6381         thread_prologue_and_epilogue_insns,
6382         reposition_prologue_and_epilogue_notes): Likewise.
6383         * gcse.c (constprop_register, bypass_conditional_jumps,
6384         insert_insn_end_bb, gcse_after_reload): Likewise.
6385         * genemit.c (gen_expand, gen_split): Likewise.
6386         * genpeep.c (gen_peephole, main): Likewise.
6387         * global.c (build_insn_chain): Likewise.
6388         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
6389         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
6390         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
6391         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
6392         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
6393         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
6394         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
6395         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
6396         dead_or_predicable): Likewise.
6397         * integrate.c (try_constants): Likewise.
6398         * jump.c (rebuild_jump_labels, cleanup_barriers,
6399         purge_line_number_notes, init_label_info, mark_all_labels,
6400         squeeze_notes, get_label_before, get_label_after,
6401         reversed_comparison_code_parts, simplejump_p, pc_set,
6402         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
6403         delete_barrier, delete_prior_computation, delete_computation,
6404         delete_related_insns, delete_for_peephole, redirect_jump):
6405         Likewise.
6406         * lcm.c (optimize_mode_switching): Likewise.
6407         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
6408         Likewise.
6409         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
6410         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
6411         * loop-iv.c (simplify_using_assignment): Likewise.
6412         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
6413         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
6414         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
6415         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
6416         check_insn_for_givs, check_final_value, update_giv_derive,
6417         basic_induction_var, product_cheap_p, check_dbra_loop,
6418         loop_insn_first_p, last_use_this_basic_block,
6419         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
6420         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
6421         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
6422         sms_schedule_by_order): Likewise.
6423         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
6424         * postreload.c (reload_cse_simplify_operands, reload_combine,
6425         reload_cse_move2add): Likewise.
6426         * predict.c (can_predict_insn_p, estimate_probability,
6427         expected_value_to_br_prob, process_note_predictions): Likewise.
6428         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
6429         * profile.c (branch_prob): Likewise.
6430         * ra-build.c (live_out_1, livethrough_conflicts_bb,
6431         detect_webs_set_in_cond_jump): Likewise.
6432         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
6433         ra_print_rtl_with_bb): Likewise.
6434         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
6435         * recog.c (next_insn_tests_no_inequality, find_single_use,
6436         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
6437         * reg-stack.c (next_flags_user, record_label_references,
6438         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
6439         compensate_edge, convert_regs_1): Likewise.
6440         * regclass.c (scan_one_insn): Likewise.
6441         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6442         regmove_optimize, fixup_match_1, single_set_for_csa,
6443         combine_stack_adjustments_for_block): Likewise.
6444         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
6445         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
6446         find_equiv_reg): Likewise.
6447         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
6448         reload_as_needed, emit_input_reload_insns, do_output_reload,
6449         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
6450         Likewise.
6451         * reorg.c (find_end_label, emit_delay_sequence,
6452         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
6453         get_jump_flags, rare_destination, mostly_true_jump,
6454         try_merge_delay_insns, redundant_insn, own_thread_p,
6455         fill_simple_delay_slots, fill_slots_from_thread,
6456         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
6457         dbr_schedule): Likewise.
6458         * resource.c (find_basic_block, next_insn_no_annul,
6459         find_dead_or_set_registers, mark_target_live_regs): Likewise.
6460         * rtl.h (RTX_PREV): Likewise.
6461         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
6462         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
6463         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
6464         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
6465         tablejump_p, computed_jump_p, insns_safe_to_move_p,
6466         find_first_parameter_load, can_hoist_insn_p): Likewise.
6467         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
6468         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
6469         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
6470         schedule_ebbs): Likewise.
6471         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
6472         is_conditionally_protected, can_schedule_ready_p,
6473         add_branch_dependences, debug_dependencies): Likewise.
6474         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
6475         Likewise.
6476         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
6477         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
6478         set_dominates_use, ujump_to_loop_cont): Likewise.
6479         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
6480         * varasm.c (output_constant_pool_1): Likewise.
6481
6482 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6483
6484         * tree-scalar-evolution.c: New file.
6485         * tree-scalar-evolution.h: New file.
6486         * tree-ssa-loop-niter.c: New file.
6487         * Makefile.in (SCEV_H): New.
6488         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
6489         * cfgloop.h (struct loop): Add bounds field.
6490         * tree-flow.h (struct tree_niter_desc): New type.
6491         (number_of_iterations_cond, number_of_iterations_exit,
6492         loop_niter_by_eval, find_loop_niter_by_eval,
6493         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
6494         free_numbers_of_iterations_estimates): Declare.
6495         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
6496         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
6497         * doc/invoke.texi (max-iterations-to-track): Document.
6498
6499 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
6500
6501         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
6502         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
6503         (MODE_AFTER): Add cast appropriately.
6504         * config/sh/sh.md (movdi splitter): Likewise.
6505         (casesi_worker_2): Add const qualifier appropriately.
6506         (eh_return): Remove unused variable.
6507         (insv): Initialize v;
6508
6509 2004-07-08  Richard Henderson  <rth@redhat.com>
6510
6511         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
6512         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6513         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
6514         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
6515         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
6516
6517         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
6518         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6519         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
6520         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
6521
6522         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
6523         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6524         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
6525         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
6526
6527         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
6528         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6529         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
6530         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
6531
6532         * config/i860/i860-protos.h (i860_va_arg): Remove.
6533         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6534         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
6535         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
6536
6537 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
6538
6539         * system.h: Prototype getpagesize if missing.
6540         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
6541         * configure: Regenerate.
6542         * config.in: Regenerate.
6543
6544 2004-07-08  Richard Henderson  <rth@redhat.com>
6545
6546         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
6547         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6548         (fr30_gimplify_va_arg_expr): New.
6549         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
6550         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
6551
6552 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
6553
6554         PR target/16414
6555         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
6556         of asm_noperands result.
6557
6558 2004-07-08  Richard Henderson  <rth@redhat.com>
6559
6560         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
6561         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6562         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
6563         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
6564
6565 2004-07-08  Richard Henderson  <rth@redhat.com>
6566
6567         * builtins.c (ind_gimplify_va_arg_expr): New.
6568         * tree.h (ind_gimplify_va_arg_expr): Declare.
6569         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
6570
6571 2004-07-08  Jan Beulich  <jbeulich@novell.com>
6572
6573         * expmed.c (extract_bit_field): Correct condition to use vec_extract
6574         patterns also on vector elements other than the first one.
6575         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
6576         break statements.
6577
6578 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
6579
6580         * config/rs6000/darwin-ldouble.c: Correct reference
6581         to the Linnainmaa paper.
6582
6583 2004-07-08  Richard Henderson  <rth@redhat.com>
6584
6585         * config/arc/arc-protos.h (arc_va_arg): Remove.
6586         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6587         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
6588         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
6589
6590         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
6591         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6592         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
6593         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
6594
6595 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6596
6597         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
6598
6599 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
6600
6601         * c-decl.c (static_ctors, static_dtors): Make static.
6602         (pop_file_scope): Call c_common_write_pch and
6603         cgraph_finalize_compilation_unit here.
6604         (build_cdtor): Moved here from c-objc-common.c; simplify.
6605         (c_write_global_declarations_1): Clarify comment.
6606         (c_write_global_declarations): Close the external scope before
6607         doing anything else.  Call build_cdtor, cgraph_optimize, and
6608         mudflap_finish_file here.
6609         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
6610         Clarify comment.
6611         * c-objc-common.c: No need to include cgraph.h.
6612         (build_cdtor): Moved to c-decl.c.
6613         (c_objc_common_finish_file): Delete.
6614         * c-tree.h: Update to match.
6615         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
6616         (generate_static_references): Set TREE_USED before calling finish_decl.
6617         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
6618         on the static_instances_decl.
6619
6620 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
6621
6622         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
6623         decls when there is only one input translation unit.
6624         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
6625         change of 2004-07-05; do not treat declarations with
6626         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
6627         * opts.c (cur_in_fname): Delete.
6628         * opts.h: Likewise.
6629         * tree.c: Revert changes of 2004-07-05; no special treatment
6630         for TRANSLATION_UNIT_DECLs.
6631         * Makefile.in (tree.o): Update dependencies.
6632
6633 2004-07-08  Roger Sayle  <roger@eyesopen.com>
6634
6635         * builtins.c (fold_builtin_strcpy): Merge functionality from
6636         simplify_builtin_strcpy.  Add additional len argument.  No longer
6637         static.  Remove function prototype.
6638         (fold_builtin_strncpy): Likewise integrate functionality from
6639         simplify_builtin_strncpy.  Add additional slen argument.  No
6640         longer static.  Remove function prototype.
6641         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
6642         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
6643         types of "ignore" and "unlocked" parameters to bool.
6644         (fold_builtin_1):  Add additional ignore argument.  Call renamed
6645         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
6646         builtins.  Update arguments to fold_builtin_strncpy and
6647         fold_builtin_strcpy.  Add function prototype.
6648         (fold_builtin): Add additional Boolean ignore argument to pass
6649         to fold_builtin_1.
6650         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
6651         and fold_builtin_strncpy instead of simplify_builtin_fputs,
6652         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
6653
6654         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
6655         simplify_builtin_strncpy): Delete function prototypes.
6656         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
6657         fold_builtin_strncpy): Add function prototypes here.
6658         (fold_builtin): Update function prototype with new "bool ignore".
6659
6660         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
6661         (ccp_fold_builtin):  Update call to fold_builtin.  Call
6662         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
6663         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
6664         simplify_builtin_strncpy respectively.
6665         * fold-const.c (fold): Update call to fold_builtin.
6666
6667 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
6668
6669         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
6670         to strcpy.
6671
6672         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
6673         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
6674         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
6675         * calls.c: Remove ifdefs of macros above.
6676         * functions.c: Likewise.
6677         * expr.c: Likewise.
6678
6679 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6680
6681         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
6682         (arch attribute): Delete.
6683         (current_function_calls_alloca attribute): Rename into calls_alloca.
6684         (calls_eh_return): New attribute.
6685         (leaf_function): Likewise.
6686         (length attribute): Fix formula for sibcalls.
6687         (return insn): Correctly compute the 'length' attribute.
6688         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
6689
6690 2004-07-08  Richard Henderson  <rth@redhat.com>
6691
6692         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
6693         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
6694         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
6695         * tree-eh.c (lower_eh_constructs_1): Likewise.
6696         * tree-sra.c (sra_walk_modify_expr): Likewise.
6697         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
6698         (eliminate_unnecessary_stmts): Likewise.
6699         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6700         * tree-tailcall.c (optimize_tail_call): Likewise.
6701         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
6702
6703 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6704             Jakub Jelinek  <jakub@redhat.com>
6705
6706         * config/i386/i386.c (override_options): Enable
6707         SSE prefetches with -mtune, as long as we are
6708         compiling for i686 or higher.  All i686 processors
6709         accept SSE prefetches as NOPS, some i586's don't.
6710
6711 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6712
6713         PR target/10567
6714         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
6715
6716 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
6717
6718         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
6719         the handling of clobbering ASM_EXPRs.
6720
6721 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6722
6723         PR target/16430
6724         * config/sparc/sparc.c (function_value): In 64-bit mode,
6725         return the aggregates larger than 16 bytes like unions.
6726
6727 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6728
6729         PR target/16199
6730         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
6731         'temp' is zero, generate new pseudos as needed and emit the
6732         sequence of insns in single-assignment form.  Resync comments
6733         with code.
6734         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
6735         function before reload.
6736
6737 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
6738
6739         * vec.c (vec_assert_fail): Remove duplicate 'function'.
6740
6741         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
6742
6743         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
6744         Allocation is signed.
6745         (VEC_reserve): Return flag, allocation is signed.
6746
6747 2004-07-08  Richard Henderson  <rth@redhat.com>
6748
6749         * tree-ssa-ccp.c (fold_stmt): Get type directly from
6750         OBJ_TYPE_REF_OBJECT.
6751
6752 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
6753             Neil Booth  <neil@daikokuya.co.uk>
6754
6755         PR c/2511
6756         PR c/3325
6757         * c-decl.c (finish_struct): Ensure bit-fields are given the
6758         correct type.
6759         * c-common.c (c_common_signed_or_unsigned_type): For C, require
6760         the precision to match as well as the mode.
6761         * expr.c (reduce_to_bit_field_precision): New function.
6762         (expand_expr_real_1): Reduce expressions of bit-field type to
6763         proper precision.
6764         * langhooks.h (reduce_bit_field_operations): New hook.
6765         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6766         Define.
6767         * c-lang.c, objc/objc-lang.c
6768         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
6769         * objc/objc-act.c (check_ivars): Convert types to bit-field types
6770         before checking.
6771         * tree.c (build_nonstandard_integer_type): New function.
6772         * tree.h (build_nonstandard_integer_type): New prototype.
6773         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
6774         conversions between integer and boolean types as useless.
6775
6776 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6777
6778         * c-common.c (c_common_nodes_and_builtins): Do not
6779         create __builtin_ptrdiff_t and __builtin_size_t.
6780
6781 2004-07-08  Andrew Pinski  <apinski@apple.com>
6782
6783         * Makefile.in (libbackend.o): Add -combine to the gcc
6784         command line.
6785
6786 2004-07-08  Nick Clifton  <nickc@redhat.com>
6787
6788         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
6789         Set to -Os.
6790
6791 2004-07-08  Richard Henderson  <rth@redhat.com>
6792
6793         * except.c (expand_eh_region_start, expand_eh_region_end,
6794         expand_eh_handler, expand_eh_region_end_cleanup,
6795         expand_start_all_catch, expand_start_catch, expand_end_catch,
6796         expand_end_all_catch, expand_eh_region_end_allowed,
6797         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
6798         expand_eh_region_end_fixup): Remove.
6799         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
6800         cleanups, outer_cleanups, label_chain, exception_region.
6801         (struct goto_fixup): Remove stack_level, cleanup_list_list.
6802         (struct label_chain): Remove.
6803         (struct stmt_status): Remove x_stack_block_stack.
6804         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
6805         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
6806         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
6807         end_cleanup_deferral, last_cleanup_this_contour,
6808         containing_blocks_have_cleanups_or_stack_level,
6809         any_pending_cleanups): Remove.
6810         (expand_null_return_1): Take no arguments.
6811         (expand_label, expand_naked_return, expand_return,
6812         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
6813         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
6814         expand_end_case_type): Don't use any of them.
6815         * calls.c (expand_call): Likewise.
6816         * dojump.c (do_jump): Likewise.
6817         * function.c (expand_function_end): Likewise.
6818         * expr.c (store_expr, expand_expr_real_1): Likewise.
6819         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
6820         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
6821         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
6822         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
6823         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
6824         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
6825         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
6826         for WITH_CLEANUP_EXPR.
6827         (gimple_push_cleanup): Likewise.
6828         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
6829         * print-tree.c (print_node): Likewise.
6830         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
6831         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
6832         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
6833         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
6834         (GOTO_SUBROUTINE_EXPR): Remove.
6835         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
6836         (DECL_TOO_LATE): Remove.
6837         * except.h, tree.h: Update decls.
6838
6839 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6840
6841         * explow.c (optimize_save_area_alloca): Do not accept parameters.
6842         * passes.c (rest_of_handle_final): Handle symout.
6843         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
6844         Push timevar here.
6845         (rest_of_handle_sched): Break out SMS.  Remove ifs for
6846         flag_schedule_insns and flag_modulo_sched.
6847         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
6848         collect at the end.
6849         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
6850         (rest_of_handle_partition_blocks, rest_of_handle_sms,
6851         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
6852         rest_of_handle_mode_switching, rest_of_handle_jump,
6853         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
6854         rest_of_handle_jump2, rest_of_handle_postreload,
6855         rest_of_handle_flow2, rest_of_clean_state,
6856         rest_of_handle_shorten_branches,
6857         rest_of_handle_prologue_epilogue,
6858         rest_of_handle_branch_target_load_optimize): New.
6859         (rest_of_compilation): Call the above.  Remove ggc_collect
6860         calls moved to rest_of_handle_*.
6861         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
6862
6863         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
6864         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
6865         * except.h (set_nothrow_function_flags): Update comment.
6866         * function.c (current_function_nothrow): Remove.
6867         * output.h (current_function_nothrow): Remove.
6868         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
6869         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
6870
6871 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6872
6873         PR bootstrap/16326
6874         * reorg.c: Revert 2004-06-30 change.
6875         (find_end_label): If HAVE_epilogue and !HAVE_return,
6876         return 0 instead of creating a label at the end of the insn chain.
6877         (optimize_skip): Account for the failure mode of find_end_label.
6878         (fill_simple_delay_slots): Likewise.
6879         (fill_slots_from_thread): Likewise.
6880         (relax_delay_slots): Likewise.
6881
6882 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
6883
6884         * tree-flow.h (addressable_vars): Declare.
6885         * tree-ssa-alias.c (addressable_vars): Define.
6886         (setup_pointers_and_addressables): Add addressable variables
6887         to addressable_vars.
6888         * tree-ssa-operands.c (get_stmt_operands): Move
6889         handling of ASM_EXPRs ...
6890         (get_asm_expr_operands): ... here.
6891         When the ASM_EXPR clobbers memory, also clobber addressable
6892         variables.
6893         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
6894         (delete_tree_ssa): Reset addressable_vars.
6895
6896 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6897             Richard Henderson  <rth@redhat.com>
6898
6899         * varasm.c (assemble_variable): Use assemble_zeros for
6900         zero-initialized variables.
6901         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
6902         for SECCAT_BSS and SECCAT_TBSS.
6903
6904 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6905
6906         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
6907
6908         * expmed.c (emit_store_flag): Also special-case double-word
6909         (in-)equality comparison against -1.
6910
6911         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
6912         passing arguments the containers for which are registers.
6913
6914         * calls.c (emit_library_call_value_1): Use mode of function parameter
6915         rather than that of argument since constants have none.
6916
6917 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
6918
6919         Introduce H8SX support.
6920         * expr.c (expand_strcpy): Renamed and moved to...
6921         * builtins.c (expand_movstr): ... here.  Tweak.
6922         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
6923         computed or has side effects.
6924         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
6925         unused, or if mempcpy fails.  Adjust the return value in the
6926         latter case.  Use movstr if everything else fails.
6927         * doc/md.texi (movstr): Document.
6928         (movmemM, clrmemM): Fix explanation of memory block operands.
6929         * config/h8300/h8300.md (stpcpy): Renamed to...
6930         (movstr): ... this.  Adjust.
6931         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6932         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
6933         movmem* and clrstr* to clrmem*.
6934         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
6935         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
6936         GENERAL_REGS, always.
6937         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
6938         getting the stack pointer as addr.
6939         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
6940         from general_operand_dst.
6941         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
6942         variant of...
6943         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
6944         instead of requiring it to match only before reload.
6945         (stpcpy_internal_normal): New, normal-mode variant of...
6946         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
6947         `D' instead of requiring it to match only before reload.
6948         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
6949         mode argument.
6950         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
6951         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
6952         h8300_get_index.
6953         * config/h8300/h8300.md (attr type): Add call.
6954         (attr can_delay): If type is call, set it no.
6955         (call, call_value): Set type to call.
6956         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
6957         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
6958         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
6959         * tree.c (get_narrower): Don't narrow integral types into
6960         non-integral types.
6961         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
6962         frame_size *before* the first use.
6963         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
6964         on input.
6965         (peephole2): Don't widen instructions that push SP.  Move
6966         decrement of SP to the end of all stm-generating peepholes.
6967         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6968         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
6969         and OR to set it to all ones.
6970         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6971         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
6972         (call, call_value): Set can_delay to "no".
6973         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
6974         * config/h8300/h8300.md (extzv): Make subreg check more robust.
6975         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6976         * config/h8300/h8300.md (*brabit): Remove.
6977         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
6978         zero_extract.  Use bit_memory_operand as the predicate for
6979         operand 1 and 'WU' as the constraint.  Check the difference
6980         between the base length and the final one when deciding which
6981         type of branch to use.
6982         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6983         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
6984         Use convert_move to extend the result for TARGET_H8300SX.  Check
6985         for QImode memory references.  Optimize the case where the
6986         destination is a paradoxical subreg.
6987         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6988         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
6989         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
6990         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6991         * config/h8300/h8300.md: Include mova.md
6992         (length_table): Add mova and mova_zero.
6993         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
6994         after all constant addresses for '%R', '%X', '%T' and '%S'.
6995         (h8300_mova_length): New function.
6996         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
6997         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
6998         dependencies for s-config, etc.
6999         * config/h8300/gemova.sh: New file.
7000         * config/h8300/mova.md: Generated.
7001         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
7002         * config/h8300/h8300.c (h8300_bitfield_length): New.
7003         (nibble_operand): Adjust.
7004         (h8300_binary_length): Handle conditional binary op.
7005         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
7006         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
7007         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
7008         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
7009         constraints.  WU is introduced as a variant of U that requires a
7010         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
7011         * config/h8300/h8300.md (attr type): Added bitbranch.
7012         (attr length_table): Added bitfield and bitbranch.
7013         (attr length): Compute bitbranch length.
7014         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
7015         least-significant bit of a byte.
7016         (brabit, brabc, brabs): New.
7017         (insv, extzv): Emit bfst and bfld on H8300SX.
7018         (bfld, bfst, seq, sne): New.
7019         (bstzhireg, cmpstz, bstz, bistz): New.
7020         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
7021         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
7022         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
7023         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
7024         (h8sx_unary_memory_operator): New function.
7025         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
7026         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
7027         * config/h8300/h8300.md: Add peepholes to combine reloads and
7028         arithmetic insns.
7029         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
7030         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
7031         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
7032         (and?i, ior?i, xor?i): Likewise.
7033         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
7034         * config/h8300/h8300.c: Move enums and prototypes to head of file.
7035         Various whitespace fixes.
7036         (h8300_constant_length): New function, split out from...
7037         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
7038         (h8300_classify_operand): Use IN_RANGE.
7039         (h8300_classify_operand): Use h8300_constant_length.
7040         (h8300_short_move_mem_p): Tighten size check.
7041         (h8sx_mergeable_memrefs_p): Tighten equality check.
7042         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
7043         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
7044         for -msx.
7045         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
7046         * config/h8300/crtn.asm: Likewise.
7047         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
7048         if __H8300SX__ is defined.
7049         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
7050         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
7051         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
7052         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
7053         addresses as mode-dependent.
7054         * config/h8300/h8300.c (print_operand_address): Update call to
7055         h8300_get_index.
7056         (h8300_get_index): Take a mode argument.  Rework to fix an
7057         earlier misunderstanding.
7058         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
7059         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
7060         into a register if TARGET_H8300SX.
7061         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
7062         TARGET_H8300SX.  Also disable related define_splits.
7063         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
7064         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
7065         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
7066         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
7067         * config/h8300/h8300.h (OK_FOR_Z): New macro.
7068         (EXTRA_CONSTRAINT_STR): Check it.
7069         * config/h8300/h8300.c (h8300_classify_operand): Accept null
7070         class arguments.
7071         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
7072         * config/h8300/h8300.md (length_table): Add mov_imm4.
7073         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
7074         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
7075         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
7076         be a label.
7077         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
7078         * config/h8300/h8300.c (h8300_reorg): New function.
7079         (TARGET_MACHINE_DEPENDENT_REORG): Define.
7080         * config/h8300/h8300.md (length): Subtract the length of the
7081         delay slot from (pc) when checking the range of forward branches.
7082         (delay_slot, can_delay): New attributes.
7083         (define_delay): Add bra/s handling.
7084         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
7085         (jump): Add delayed-branch handling.
7086         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
7087         * expr.c (expand_strcpy): New function.
7088         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
7089         (expand_builtin_stpcpy): Likewise.
7090         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
7091         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
7092         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
7093         handling to improve register allocation for -fno-omit-frame-pointer.
7094         (h8sx_split_movmd): Delete, moving er6 handling into...
7095         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
7096         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
7097         (movmd): Add calls to copy_rtx.
7098         (movmd_internal): In the second alternative, allow the initial and
7099         final destination registers to be different .  Update the splitter
7100         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
7101         instead of h8sx_split_movmd.
7102         (stpcpy, movsd): New expanders.
7103         (movsd_internal): New define_insn.
7104         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
7105         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
7106         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
7107         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
7108         and DESTINATION_REGS.
7109         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
7110         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
7111         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
7112         (h8300_move_ratio): Declare.
7113         (MOVE_RATIO): Use it.
7114         * config/h8300/h8300.c (h8300_move_ratio): New variable.
7115         (h8300_init_once): Initialize it.
7116         (h8300_reg_class_from_letter): New function.
7117         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
7118         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
7119         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
7120         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
7121         (movstrsi, movmd): New expanders.
7122         (movmd_internal): New insn.
7123         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
7124         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
7125         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
7126         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
7127         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
7128         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7129         * config/h8300/h8300.c (nibble_operand): Fix warning.
7130         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
7131         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
7132         (movsf_h8300h): Disable for TARGET_H8300SX.
7133         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7134         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
7135         h8300_stm_parallel and h8300_return_parallel.
7136         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
7137         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
7138         h8300_stm_parallel, h8300_return_parallel): New functions.
7139         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
7140         if TARGET_H8300SX.  Use h8300_push_pop.
7141         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
7142         and final pop when generating h8sx code.  Always emit some form
7143         of return insn.
7144         * config/h8300/h8300.md: Don't enforce register alignment in
7145         stm peepholes if TARGET_H8300SX.
7146         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
7147         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
7148         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
7149         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7150         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
7151         (MULTILIB_DIRNAMES): Add a directory for it.
7152         (MULTILIB_MATCHES): Delete.
7153         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
7154         * final.c (walk_alter_subreg): Handle addresses with subregs
7155         inside a ZERO_EXTEND or AND.
7156         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
7157         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
7158         if TARGET_H8300SX.
7159         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
7160         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
7161         @(dd,Rn.w) and @(dd,ERn.L).
7162         (h8300_displacement_size): Take the whole address as argument.
7163         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
7164         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
7165         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
7166         (h8sx_mergeable_memrefs_p): Declare.
7167         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
7168         (HAVE_PRE_INCREMENT): Likewise.
7169         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
7170         addresses for TARGET_H8300SX,
7171         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
7172         and POST_DEC.
7173         (movb_length_table, movl_length_table): New tables.
7174         (movw_length_table): Define to movb_length_table.
7175         (h8300_displacement_size): New, split out from...
7176         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
7177         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
7178         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
7179         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
7180         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
7181         (compute_plussi_length, compute_plussi_cc): Update accordingly.
7182         (h8sx_unary_shift_operator): Get the mode from the operator.
7183         (binary_shift_operator): Likewise.
7184         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
7185         a memory reference, check whether the reference is offsettable.
7186         (length_table): Add movb, movw and movl.
7187         (movqi): Add new h8sx pattern.  Don't force one operand to be a
7188         register when generating h8sx code.
7189         (movhi, movsi, movsf): Likewise.
7190         (movstrictqi): Use the length_table attribute.
7191         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
7192         (addqi3): Split into a define_expand and define_insn.  Don't accept
7193         memory operands in the expander.  Use h8300_operands_match_p to
7194         check for matching operands in the define_insn.
7195         (subqi3, negqi2, one_cmplqi2): Likewise.
7196         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
7197         in any patterns that are unused in h8sx code.  In the h8sx patterns,
7198         use h8300_operands_match_p to check whether operands match.
7199         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
7200         one_cmpl[hs]i3): Likewise.
7201         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
7202         in the expander.
7203         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
7204         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
7205         (h8300_insn_length_from_table): Add a second parameter.
7206         (output_h8sx_shift): Declare.
7207         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
7208         (EXTRA_CONSTRAINT): Replace with...
7209         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
7210         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
7211         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
7212         and h8sx_binary_shift_operator.
7213         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
7214         for TARGET_H8300SX.
7215         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
7216         (bit_memory_operand, fix_bit_operand): Likewise.
7217         (h8300_length_table_for_insn): Remove.
7218         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
7219         instructions.
7220         (h8300_short_immediate_length, h8300_binary_length): New functions.
7221         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
7222         (output_plussi): Use sub to add negative constants.
7223         (compute_plussi_length): Adjust accordingly.
7224         (h8sx_single_shift_type): New enum.
7225         (h8sx_single_shift, h8sx_unary_shift_operator,
7226         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
7227         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
7228         single h8sx instruction.  Return false in this case.
7229         * config/h8300/h8300.md (length_table): Add short_immediate.
7230         (length): Pass the operand array to h8300_insn_length_from_table.
7231         (adjust_length): Assume "no" for insns with a length_table attribute.
7232         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
7233         (*addhi3_h8300hs): Don't use for h8sx.
7234         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
7235         and sub.w #xx:3.
7236         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
7237         1's predicate to nonimmediate_operand.  Only skip default expansion
7238         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
7239         for single h8sx shift instructions.
7240         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
7241         * config/h8300/h8300.c (nibble_operand): Split out of...
7242         (reg_or_nibble_operand): ... this.
7243         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
7244         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
7245         umulhisi3): Introduce expand, and introduce separate insns for
7246         sign- or zero-extended REG and already-extended CONST_INT.
7247         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
7248         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
7249         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
7250         (subhi3): Likewise.  Don't accept immediates for operand 1.
7251         Remove the early clobber from second alternative of the h8300s pattern.
7252         (subsi3): Generalize for h8sx.  Force operand 2 into a register
7253         on plain h8300 targets.
7254         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
7255         (subsi3_h8300h): Generalize for h8sx.
7256         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
7257         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
7258         * config/h8300/h8300.c (reg_or_nibble_operand): New.
7259         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
7260         (TARGET_H8300SXMUL): New.
7261         (CONST_OK_FOR_P): New.
7262         (CONST_OK_FOR_LETTER_P): Adjust.
7263         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
7264         umulhisi3): Accept 4-bit immediate on H8SX.
7265         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
7266         (udivsi3, divhi3, udivsi3, divsi3): New.
7267         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
7268         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
7269         * config/h8300/h8300.h (OK_FOR_Q): New macro.
7270         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
7271         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
7272         Add ADDRESSOF to the bit_operand entry.
7273         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
7274         (h8300_src_operand): Likewise.
7275         (bit_operand): Check nonimmediate_operand rather than general_operand.
7276         Accept any nonimmediate_operand in h8sx code.
7277         (h8300_and_costs): Initialize operands[1].
7278         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
7279         (h8300_operand_class): New enum.
7280         (h8300_length_table): New typedef.
7281         (addb_length_table, addw_length_table, addl_length_table,
7282         logicl_length_table): New tables.
7283         (logicb_length_table, logicw_length_table): New macros.
7284         (h8300_classify_operand, h8300_length_from_table,
7285         h8300_length_table_for_insn, h8300_unary_length,
7286         h8300_insn_length_from_table): New functions.
7287         (output_plussi): Only use adds and subs for register destinations.
7288         Disable redundant clause.
7289         (compute_plussi_cc): Likewise.
7290         (compute_plussi_length): Likewise.  Use h8300_length_from_table
7291         to work out the length of an insn.
7292         (output_logical_op): Only use narrower immediate instructions
7293         if the destination is a register.
7294         (compute_logical_op_cc): Likewise.
7295         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
7296         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
7297         * config/h8300/h8300.md (length_table): New attribute.
7298         (length): When an instruction has a length_table attribute, use
7299         h8300_insn_length_from_table to calculate its default length.
7300         (cmpqi): Use h8300_dst_operand for the first operand and
7301         h8300_src_operand for the second.
7302         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
7303         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
7304         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
7305         iorsi3, xorhi3, xorsi3): Likewise.
7306         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
7307         so that it allows any combination of operands for TARGET_H8300SX.
7308         (iorqi3, xorqi3): Likewise.
7309         (cmpqi): Use the length_table attribute.
7310         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
7311         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
7312         (cmpqi): Add 'Q' constraint.
7313         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
7314         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
7315         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
7316         * config/h8300/h8300.h (MASK_H8300SX): New macro.
7317         (TARGET_H8300S): True for both -ms and -msx.
7318         (TARGET_H8300SX): New macro.
7319         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
7320         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
7321         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
7322         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
7323         [Temporary change.]
7324         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
7325         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
7326         16-bit pointers and 32-bit ints.
7327         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
7328         CONST_DOUBLE with mode no wider than SImode.
7329         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
7330         output operand.
7331         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
7332         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
7333         or SUBREG thereof.
7334         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
7335         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
7336         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
7337
7338 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
7339
7340         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
7341
7342 2004-07-07  Per Bothner  <per@bothner.com>
7343
7344         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
7345
7346 2004-07-07  Mike Stump  <mrs@apple.com>
7347
7348         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
7349         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
7350         (machopic_finish): Likewise.
7351
7352 2004-07-07  Richard Henderson  <rth@redhat.com>
7353
7354         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
7355         through any value-preserving cast.
7356
7357 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
7358
7359         * function.c (assign_parm_find_data_types): Call
7360         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
7361
7362 2004-07-07  Steven Bosscher  <stevenb@suse.de>
7363
7364         * tree-cfg.c (group_case_labels): Remove case labels that have
7365         the same target as the default case.
7366
7367 2004-07-07  Steven Bosscher  <stevenb@suse.de>
7368
7369         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
7370         regardless of DECL_LANG_SPECIFIC being present or not.
7371         * tree.h (DECL_NUM_STMTS): Purge.
7372
7373 2004-07-07  Andrew Pinski  <apinski@apple.com>
7374
7375         * configure: Regenerate with the right autoconf.
7376
7377 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
7378
7379         * ifcvt.c (total_bb_rtx_cost): New function.
7380         (find_if_case_1): Compare rtx_cost of basic block to cost of
7381         BRANCH_COST insns.
7382         (find_if_case_2): Same.
7383
7384 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7385
7386         PR target/10567
7387         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
7388         (output_return): Likewise.
7389         (output_sibcall): Abort if !flag_delayed_branch.
7390         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
7391         (emit_and_preserve): New function.
7392         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
7393         indirect jump to the thunked-to function if !flag_delayed_branch.
7394         * config/sparc/sparc.md (delayed_branch): New attribute.
7395         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
7396         attribute to compute the length of the insn.
7397         (goto_handler_and_restore): Likewise.
7398
7399 2004-07-07  Andrew Pinski  <apinski@apple.com>
7400
7401         PR tree-optimization/15777
7402         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
7403
7404         * expr.c (expand_expr_real_1): Fix formating.
7405         BUFFER_REF and IN_EXPR are dead.
7406         * fold-const.c (non_lvalue): BUFFER_REF is dead.
7407         * tree-inline.c (estimate_num_insns_1): Likewise.
7408         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
7409         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
7410         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
7411
7412 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
7413
7414         * collect2.c (dump_file): Don't call cplus_demangle if
7415         HAVE_LD_DEMANGLE is defined.
7416         (main): Pass "--demangle" to ld if no_demangle is not 0 and
7417         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
7418         if HAVE_LD_DEMANGLE is defined.
7419
7420         * configure.ac (--with-demangler-in-ld): Added
7421         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
7422         --with-demangler-in-ld is used.
7423         * config.in: Regenerated.
7424         * configure: Likewise.
7425
7426 2004-07-07  Roger Sayle  <roger@eyesopen.com>
7427
7428         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
7429         for simple floating point operations "fp", double precision
7430         multiplication "dmul", and single and double precision division
7431         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
7432         (ppc630_cost): New table split from ppc620_cost, to distinguish
7433         differences in floating point latencies.
7434         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
7435         (rs6000_rtx_costs): Add support for single and double precision
7436         floating point addition, subtraction, multiplication, division,
7437         fused-multiply-add, fused-multiply-sub, negation, absolute value
7438         and negative absolute value.  Tweak MEM case to use prefered idiom.
7439
7440 2004-07-07  Richard Henderson  <rth@redhat.com>
7441
7442         * tree-flow-inline.h (may_propagate_copy): Move...
7443         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
7444         attempt to copy between types requiring conversion.
7445         * tree-flow.h (may_propagate_copy): Update decl.
7446         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
7447
7448 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
7449
7450         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
7451         from -mtune= option.
7452
7453 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
7454
7455         * builtins.c: Rename movstr*, except for movstrict*, to
7456         movmem* and clrstr* to clrmem*.
7457         * expr.c: Likewise.
7458         * expr.h: Likewise.
7459         * genopinit.c: Likewise.
7460         * integrate.c: Likewise.
7461         * local-alloc.c: Likewise.
7462         * optabs.c: Likewise.
7463         * optabs.h: Likewise.
7464         * config/alpha/alpha.h: Likewise.
7465         * config/alpha/alpha.md: Likewise.
7466         * config/arm/arm-protos.h: Likewise.
7467         * config/arm/arm.c: Likewise.
7468         * config/arm/arm.md: Likewise.
7469         * config/avr/avr.md: Likewise.
7470         * config/c4x/c4x.c: Likewise.
7471         * config/c4x/c4x.md: Likewise.
7472         * config/frv/frv.md: Likewise.
7473         * config/i386/i386-protos.h: Likewise.
7474         * config/i386/i386.c: Likewise.
7475         * config/i386/i386.h: Likewise.
7476         * config/i386/i386.md: Likewise.
7477         * config/i860/i860.c: Likewise.
7478         * config/i860/i860.md: Likewise.
7479         * config/ip2k/ip2k.md: Likewise.
7480         * config/ip2k/libgcc.S: Likewise.
7481         * config/ip2k/t-ip2k: Likewise.
7482         * config/m32r/m32r.c: Likewise.
7483         * config/m32r/m32r.md: Likewise.
7484         * config/mcore/mcore.md: Likewise.
7485         * config/mips/mips.c: Likewise.
7486         * config/mips/mips.md: Likewise.
7487         * config/ns32k/ns32k.c: Likewise.
7488         * config/ns32k/ns32k.h: Likewise.
7489         * config/ns32k/ns32k.md: Likewise.
7490         * config/pa/pa.c: Likewise.
7491         * config/pa/pa.md: Likewise.
7492         * config/pdp11/pdp11.h: Likewise.
7493         * config/pdp11/pdp11.md: Likewise.
7494         * config/rs6000/rs6000.c: Likewise.
7495         * config/rs6000/rs6000.md: Likewise.
7496         * config/s390/s390-protos.h: Likewise.
7497         * config/s390/s390.c: Likewise.
7498         * config/s390/s390.md: Likewise.
7499         * config/sh/lib1funcs.asm: Likewise.
7500         * config/sh/sh.c: Likewise.
7501         * config/sh/sh.md: Likewise.
7502         * config/sh/t-sh: Likewise.
7503         * config/sparc/sparc.h: Likewise.
7504         * config/vax/vax.md: Likewise.
7505         * config/xtensa/xtensa.c: Likewise.
7506         * config/xtensa/xtensa.md: Likewise.
7507         * doc/invoke.texi: Likewise.
7508         * doc/md.texi: Likewise.
7509         * doc/rtl.texi: Likewise.
7510
7511 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
7512
7513         PR target/16407
7514         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
7515         * config/mips/mips.c (mips_declare_common_object): New function,
7516         mostly split out from...
7517         (mips_output_aligned_decl_common): ...here.
7518         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
7519         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
7520         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
7521         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
7522
7523 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7524
7525         PR c/16392
7526         * function.c (assign_parms): Fix typo from previous change.
7527
7528 2004-07-07  Jason Merrill  <jason@redhat.com>
7529
7530         PR c++/15815
7531         * doc/extend.texi (C++ Interface): Correct information and
7532         discourage use.
7533
7534 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
7535
7536         PR target/16130
7537         PR target/16142
7538         PR target/16143
7539         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
7540         insn.
7541
7542 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7543
7544         PR target/1679.
7545         * config/m32r/m32r.c (m32r_function_symbol): New function:
7546         Generate a symbol name RTX with the correct m32r specific flags
7547         set.
7548         (block_move_call): Use new function to generate correct symbol.
7549         * config/m32r/m32r-protos.h: Add prototype for new funcion.
7550         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
7551         function.
7552
7553 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7554
7555         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
7556         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
7557         TYPE_BINFO_BASETYPE): Remove.
7558         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
7559         to ...
7560         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
7561         here.
7562         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
7563         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
7564         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
7565         (struct tree_binfo): Rename base_types to base_binfos.
7566         * alias.c (record_component_aliases): Adjust BINFO macros.
7567         * dbxout.c (dbxout_type): Likewise.
7568         * dwarf2out.c (gen_member_die): Likewise.
7569         * sdbout.c (sdbout_one_type): Likewise.
7570         * tree-dump.c (deque_and_dump): Likewise.
7571         * config/i386/i386.c (classify_argument,
7572         contains_128bit_aligned_vector_p): Likewise.
7573
7574 2004-07-07  Nick Clifton  <nickc@redhat.com>
7575
7576         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
7577         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
7578
7579 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7580
7581         * vec.h: Fix the example use.
7582
7583 2004-07-06  Richard Henderson  <rth@redhat.com>
7584
7585         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
7586         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
7587         * tree-inline.c (copy_body_r, setup_one_parameter,
7588         initialize_inlined_parameters, expand_call_inline,
7589         declare_inline_vars): Don't check it.
7590         (expand_calls_inline): Remove old version, rename new version
7591         from gimple_expand_calls_inline.
7592         * tree-optimize.c (execute_gimple): Remove.
7593         (pass_gimple): Don't run anything.
7594
7595 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
7596
7597         * doc/sourcebuild.texi: Use semicolons instead of commas in
7598         section title.
7599
7600 2004-07-06  Richard Henderson  <rth@redhat.com>
7601
7602         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
7603         (sra_walk_modify_expr, scan_init): Likewise.
7604         (generate_element_zero): Check visited before scanning children.
7605         (generate_element_init): Set visited on error.
7606         (scalarize_init): Handle generate_element_init failure similar
7607         to use_block_copy.
7608
7609 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
7610
7611         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
7612         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
7613
7614 2004-07-06  Richard Henderson  <rth@redhat.com>
7615
7616         * config/i386/i386.c (legitimize_pic_address): Make static.
7617         (legitimize_address): Handle CONST with TLS operand.
7618         (ix86_expand_move): Don't call legitimize_pic_address directly.
7619         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
7620
7621 2004-07-06  Roger Sayle  <roger@eyesopen.com>
7622
7623         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
7624         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
7625         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
7626         is currently executed unconditionally, i.e. not in "else_bb".
7627
7628 2004-07-06  Steven Bosscher  <stevenb@suse.de>
7629
7630         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
7631         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7632         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
7633         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7634         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
7635         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7636         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
7637         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7638         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
7639         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7640         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
7641         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7642         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
7643         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7644         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
7645         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7646
7647 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
7648
7649         * dojump.c (do_jump): REFERENCE_EXPR is dead.
7650         * expr.c (expand_expr_real_1): Ditto.
7651         * tree-inline.c (estimate_num_insns_1): Ditto.
7652         * tree-pretty-print.c (dump_generic_node): Ditto.
7653         (op_symbol): Ditto.
7654         * tree.def: Ditto.
7655
7656 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
7657
7658         * tree-ssa-pre.c (reference_node_pool): New pool.
7659         (find_or_generate_expression): Class 'r' is okay too.
7660         (create_value_expr_from): Ditto.
7661         (add_to_sets): LHS should not include vuses.
7662         (eliminate): Ditto.
7663         (compute_avail): Reverse ordering of tests.
7664         Valuize INDIRECT_REF as well.
7665
7666 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
7667
7668         PR rtl-optimization/16380
7669         * loop.c (check_dbra_loop): Sink comparison instructions if they
7670         do something other than set cc0.
7671
7672 2004-07-06  James E Wilson  <wilson@specifixinc.com>
7673
7674         * doc/interface.texi (longjmp and automatic variables): Delete
7675         paragraph recommending taking the address of a variable.
7676
7677 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
7678
7679         * vec.h (VEC_embedded_alloc): Remove.
7680         (VEC_embedded_size, VEC_embedded_init): New.
7681         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
7682         MEM_STAT_INFO.
7683         (VEC_truncate): New.
7684         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
7685         (vec_embedded_alloc): Remove.
7686         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
7687         (vec_embedded_alloc): Remove.
7688
7689 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
7690
7691         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
7692         (gt-langhooks.h): Remove.
7693
7694 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
7695
7696         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
7697
7698 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7699
7700         * config/sparc/sparc.c (get_pc_symbol): Rename into
7701         add_pc_to_pic_symbol.
7702         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
7703         (load_pic_register): Account for previous changes.
7704         Use reg_names.  Don't create the label twice.
7705         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
7706         UNSPEC_LOAD_PCREL_SYM.
7707         (get_pc): Rename into load_pcrel_sym.  Add predicate to
7708         operands.  Remove condition.
7709
7710 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
7711
7712         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
7713         RECORD, UNION & QUAL_UNION is actually a binfo.
7714
7715         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
7716         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
7717         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
7718         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
7719         * dwarf2out.c (add_data_member_location_attribute): Likewise.
7720         (gen_inheritance_die): Likewise.
7721         * tree-dump.c (deque_and_dump): Likewise.
7722         * doc/c-tree.texi (Binfos): Add under reconstruction note.
7723
7724 2004-07-06  Steven Bosscher  <stevenb@suse.de>
7725
7726         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
7727         Define.
7728         * config/mcore/mcore.md: Model memory latency with a simple DFA
7729         pipeline description instead of a define_function_unit.
7730
7731 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7732
7733         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
7734         * langhooks.h (var_mod_type_p): Likewise.
7735         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
7736         * expr.c (count_type_elements): Properly handle return from
7737         array_type_nelts and properly test for overflow.
7738         * gimplify.c (gimplify_init_constructor): Properly handle return
7739         from array_type_nelts.
7740         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
7741         * integrate.c (copy_decl_for_inlining): Correct comments.
7742         * tree-inline.c (remap_decl): Update comments, remove dead code,
7743         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
7744         (remap_type): Only remap if variably modified by vars in function
7745         being inlined.
7746         (copy_body_r): Use compatible_type langhooks to see when can fold.
7747         (setup_one_parameter): Don't remap type.
7748         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
7749         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
7750         compute TREE_INVARIANT for decl case.
7751         (find_var_from_fn): New function.
7752         (variably_modified_type_p): Add arg and call new function.
7753         * tree.h (variably_modified_type_p): Add extra arg.
7754
7755 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7756
7757         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
7758         (goto_handler_and_restore_v9): Delete disabled insn.
7759         (goto_handler_and_restore_v9_sp64): Likewise.
7760
7761 2004-07-05  Roger Sayle  <roger@eyesopen.com>
7762
7763         * calls.c (load_register_parameters): Call expand_shift instead
7764         of expand_binop with ashl_optab (or other shift optab) directly.
7765         * expr.c (emit_group_load, emit_group_store): Likewise.
7766         * function.c (assign_parm_setup_block): Likewise.
7767         * stmt.c (shift_return_value): Likewise.
7768
7769 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
7770
7771         * expr.c (expand_assignment): Disable the bitfield += optimizations.
7772
7773 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7774
7775         * doc/sourcebuild.texi: Revert previous patch.
7776
7777 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7778
7779         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
7780         TARGET_MEM_FUNCTIONS.
7781         * system.h: Poison TARGET_MEM_FUNCTIONS.
7782         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
7783         bcmp_libfunc, bzero_libfunc): Remove.
7784         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
7785         bzero_libfunc.
7786         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
7787         * doc/standards.texi: Don't mention calling BSD string functions.
7788         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
7789         * config/vax/t-memfuncs: New.
7790         * config/memcmp.c, config/memcpy.c, config/memmove.c,
7791         config/memset.c: New.
7792         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
7793         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
7794         vax/t-memfuncs.
7795         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
7796         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
7797         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
7798         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
7799         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
7800         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
7801         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
7802         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
7803         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
7804         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
7805
7806 2004-07-05  Richard Henderson  <rth@redhat.com>
7807
7808         * function.c (assign_parm_setup_reg): Properly rename variables in
7809         FUNCTION_ARG_CALLEE_COPIES section.
7810
7811 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
7812
7813         * tree-mudflap.c: Include cgraph.h.
7814         (mf_init_extern_trees): Rename to mudflap_init.  Export.
7815         Rewrite to create synthetic declarations instead of looking
7816         up declarations from mf-runtime.h.
7817         (mf_make_builtin, mf_make_cache_struct_type): New functions.
7818         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
7819         Correct commentary.
7820         (execute_mudflap_function_decls, mudflap_register_call):
7821         Don't call mf_init_extern_trees.
7822         (mudflap_finish_file): Use cgraph_build_static_cdtor.
7823
7824         * tree-mudflap.h: Update prototypes.
7825         * c-mudflap.c: Delete file.
7826         * c-common.c: Include tree-mudflap.h.
7827         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
7828         * Makefile.in: Remove all references to c-mudflap.o.
7829         Update dependencies.
7830
7831 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7832
7833         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
7834         displacements with the spatial-locality cache-control completer.
7835
7836 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
7837
7838         * langhooks.c: Don't include gt-langhooks.h.
7839         (var_labelno): Delete.
7840         (lhd_set_decl_assembler_name): Do not append a distinguishing
7841         number to file-scope internal-linkage declarations for the first
7842         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
7843         the declaration itself (if at block scope), or its containing
7844         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
7845         number.
7846
7847         * opts.c (cur_in_fname): New global.
7848         * opts.h: Declare it.
7849         * tree.c: Include opts.h.
7850         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
7851         DECL_UID equal to cur_in_fname.
7852         (copy_node_stat): Do not change DECL_UID when copying a
7853         TRANSLATION_UNIT_DECL.
7854         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
7855         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
7856
7857         * c-decl.c (c_static_assembler_name): Delete.
7858         * c-tree.h (c_static_assembler_name): Delete prototype.
7859         * c-lang.c, objc/objc-lang.c: Don't override
7860         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
7861
7862         * Makefile.in (tree.o): Update dependencies.
7863         (GTFILES): Remove langhooks.c.
7864
7865 2004-07-05  Roger Sayle  <roger@eyesopen.com>
7866
7867         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
7868         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
7869         Normalize "X % C" as "X % -C" for signed modulus and negative C.
7870         Optimize "X % -Y" as "X % Y" for signed modulus.
7871         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
7872         into "((unsigned) X % Y) == 0".
7873
7874 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7875
7876         * sourcebuild.texi (Config Fragments): Use @comma{} in
7877         cross-reference to section title.
7878
7879 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7880
7881         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
7882         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
7883         (gimplify_target_expr, gimplify_expr): Likewise.
7884         (copy_if_shared_r): No longer need special case for BIND_EXPR.
7885         (unshare_body, unvisit_body): Only look at nested if BODY_P is
7886         whole function.
7887         (gimplify_compound_lval): See if we can strip any useless conversion.
7888         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
7889         from RHS, not LHS.
7890         (gimplify_modify_expr_to_memset): Likewise.
7891         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
7892         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
7893         (declare_inline_vars): Likewise.
7894         (walk_type_fields): New function.
7895         (walk_tree): Use it.
7896         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
7897
7898         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
7899         (sra_walk_modify_expr): Allow init function to fail.
7900         (scan_init): Now returns bool.
7901         (generate_element_init): If can't understand INIT, return false.
7902         (scalarize_init): Return false if generate_element_init does.
7903
7904         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
7905         print bounds.
7906
7907         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
7908         bounds if bounds aren't constant.
7909
7910         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
7911
7912         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
7913         to type hooks; remove bogus PARAMS.
7914
7915 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
7916
7917         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
7918         * dwarf2out.c (add_data_member_location_attribute): Check for
7919         TREE_BINFO.
7920         * tree.c (tree_node_kinds): Add "binfos".
7921         (binfo_lang_slots): New.
7922         (make_node_stat): Add TREE_BINFO.
7923         (make_tree_binfo_stat): New.
7924         (tree_node_structure): Add TREE_BINFO.
7925         * tree.def (TREE_BINFO): New.
7926         * tree.h (REC_OR_UNION_CHECK): Rename to ...
7927         (RECORD_OR_UNION_CHECK): ... here.
7928         (NOT_RECORD_OR_UNION_CHECK): New.
7929         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
7930         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
7931         RECORD_OR_UNION_CHECK.
7932         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
7933         (TYPE_LANG_SLOT_1): New.
7934         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
7935         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
7936         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
7937         (BINFO_ELTS): Remove.
7938         (BINFO_LANG_SLOT): New.
7939         (struct tree_binfo): New.
7940         (binfo_lang_slots): Declare.
7941         (enum tree_node_structure_enum): Add TS_BINFO.
7942         (union tree_node): Add binfo.
7943         (make_tree_binfo_stat): Declare.
7944         (make_tree_binfo): New.
7945         (enum tree_node_kind): Add binfo_kind.
7946
7947         * objc/objc-act.c (start_class, objc_declare_protocols,
7948         start_protocols): Use TYPE_LANG_SLOT_1.
7949         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
7950         to ...
7951         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
7952         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
7953         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
7954         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
7955
7956 2004-07-05  Steven Bosscher  <stevenb@suse.de>
7957
7958         * rtl.h (struct rtx_def): Remove the integrated flag.
7959         Use the return_val flag for MEM_SCALAR_P.
7960         Reshuffle and update flags in CLEAR_RTX_FLAGS.
7961
7962 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
7963
7964         PR target/16357
7965         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
7966         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
7967         move_by_pieces.
7968
7969 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
7970
7971         * var-tracking.c: Fix some comments.
7972         (frame_stack_adjust): New.
7973         (vt_stack_adjustments): Init stack_adjust of entry block to
7974         minus stack adjustment of function prologue.
7975         (adjust_stack_reference): Do not adjust if adjustment == 0.
7976         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
7977         (emit_notes_in_bb): Likewise.
7978         (vt_add_function_parameters): Do not adjust locations of
7979         function arguments.
7980         (vt_initialize): Compute the stack adjustment of function
7981         prologue and offset the initial "location" of frame_base_decl
7982         from the stack pointer after prologue.
7983
7984 2004-07-04  Richard Henderson  <rth@redhat.com>
7985
7986         * function.c (struct assign_parm_data_all): New.
7987         (struct assign_parm_data_one): New.
7988         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
7989         assign_parm_find_data_types, assign_parms_setup_varargs,
7990         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
7991         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
7992         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
7993         assign_parm_setup_block, assign_parm_setup_reg,
7994         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
7995         (assign_parms): ... here.
7996
7997 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
7998
7999         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
8000         now are bitmap_set_t's.
8001         (bitmap_insert_into_set): No point in inserting the value if
8002         it's invariant.
8003         (bitmap_set_contains): New function.
8004         (bitmap_set_replace_value): Add comment on why we do it
8005         this way.
8006         (set_contains): Removed.
8007         (bitmap_set_subtract_from_value_set): New name of
8008         set_subtract now that it's arguments are two different
8009         types of sets.
8010         Update callers.
8011         (bitmap_find_leader): Change algorithm used.
8012         (find_or_generate_expression): Update use of functions for new
8013         bitmap sets.
8014         (create_expression_by_pieces): Ditto.
8015         (insert_aux): Ditto.
8016         (insert): Ditto.
8017         (add_to_sets): Ditto.
8018         (init_pre): Ditto.
8019         (execute_pre): Ditto.
8020         (compute_avail): Ditto.
8021         Also ignore virtual phis.
8022
8023 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
8024
8025         * combine.c (simplify_comparison): Fix comment typo.
8026
8027 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8028
8029         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
8030         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
8031         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
8032         (output_restore): Change parameter from 'insn' to 'pat'.
8033         (output_return): Adjust call to output_restore.
8034         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
8035         Adjust call to output_restore.
8036
8037 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
8038
8039         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
8040         and assert system is bsd.
8041
8042 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
8043
8044         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
8045         (TARGET_SWITCHES): Remove -mdebugc.
8046         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8047         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
8048         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
8049         (sle_[sd]i_reg): Delete.
8050
8051 2004-07-04  Steven Bosscher  <stevenb@suse.de>
8052
8053         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
8054         Define.
8055         * config/iq2000/iq2000.md: Translate old pipeline description to an
8056         equivalent new one.
8057
8058 2004-07-04  Roger Sayle  <roger@eyesopen.com>
8059
8060         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
8061         Ensure the replacement rhs is valid gimple before performing
8062         the substitution.  Return false if these sanity checks fail.
8063         (fold_stmt): Only set changed to true, if set_rhs returns true.
8064         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
8065         succeeds.
8066
8067 2004-07-04  Richard Henderson  <rth@redhat.com>
8068
8069         PR c/16348
8070         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
8071
8072 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
8073
8074         * configure.ac (ranlib_flags): New variable.
8075         * Makefile.in (RANLIB_FLAGS): New variable.
8076         (libbackend.a): Use it.
8077         * configure: Regenerated.
8078
8079 2004-07-04  Roger Sayle  <roger@eyesopen.com>
8080
8081         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
8082         a "sign mask" instead of using ashr_optab directly.
8083
8084 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
8085
8086         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
8087         * doc/cppopts.texi: Clarify processing of command-line defines.
8088
8089 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
8090
8091         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
8092
8093 2004-07-04  Richard Henderson  <rth@redhat.com>
8094
8095         * rtl.def (ADDRESSOF): Remove.
8096         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
8097         (find_base_term, memrefs_conflict_p): Likewise.
8098         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
8099         (fold_rtx, cse_insn, set_live_p): Likewise.
8100         * dwarf2out.c (mem_loc_descriptor): Likewise.
8101         (add_location_or_const_value_attribute): Likewise.
8102         * emit-rtl.c (copy_insn_1): Likewise.
8103         * explow.c (memory_address): Likewise.
8104         * expmed.c (store_split_bit_field): Likewise.
8105         * expr.c (expand_expr_real_1): Likewise.
8106         * function.c (instantiate_decl
8107         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
8108         * genrecog.c (preds, validate_pattern): Likewise.
8109         * integrate.c (copy_rtx_and_substitute): Likewise.
8110         * recog.c (general_operand, register_operand): Likewise.
8111         (memory_address_p): Likwise.
8112         * reload1.c (eliminate_regs, elimination_effects): Likewise.
8113         * rtl.c (copy_rtx): Likewise.
8114         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8115         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
8116         * rtlhooks.c (gen_lowpart_general): Likewise.
8117         * stmt.c (expand_asm_operands): Likewise.
8118         * web.c (entry_register, replace_ref, web_main): Likewise.
8119         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
8120         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8121         * config/arm/arm.c (thumb_rtx_costs): Likewise.
8122         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
8123         * config/frv/frv.c (move_destination_operand, move_source_operand,
8124         condexec_dest_operand, condexec_source_operand,
8125         condexec_memory_operand): Likewise.
8126         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
8127         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
8128         (destination_xfmode_operand): Likewise.
8129         * config/mips/mips.h (PREDICATE_CODES): Likewise.
8130         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
8131         * config/s390/s390.c (general_s_operand): Likewise.
8132         * config/s390/s390.md (mov*): Likewise.
8133         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
8134
8135         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
8136         * expr.c (expand_expr_real_1): Likewise.
8137         * stmt.c (expand_decl): Likewise.
8138         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8139
8140         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
8141         postponed_insns, put_var_into_stack, put_reg_into_stack,
8142         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
8143         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
8144         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
8145         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
8146         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
8147         purge_bitfield_addressof_replacements, purge_addressof_replacements,
8148         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
8149         struct insns_for_mem_walk_info, insns_for_mem_walk,
8150         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
8151         setjmp_protect_args): Remove.
8152         (push_function_context_to): Don't handle var_refs_queue.
8153         (pop_function_context_from, free_after_compilation): Likewise.
8154         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
8155         (assign_parms, allocate_struct_function): Likewise.
8156         (use_register_for_decl): New.
8157         (expand_function_end): Don't setjmp_protect.
8158         * function.h (struct emit_status): Update commentary.
8159         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
8160         (max_parm_reg, parm_reg_stack_loc): Remove.
8161         * passes.c (DFI_addressof): Remove.
8162         (dump_file_info): Remove addressof.
8163         (rest_of_handle_addressof): Remove.
8164         (rest_of_compilation): Don't call it.
8165         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
8166         * stmt.c (expand_decl): Use use_register_for_decl.
8167         * tree.h: Update decls.
8168         * web.c (mark_addressof): Remove.
8169         * doc/invoke.texi (-dF): Remove.
8170
8171 2004-07-03  Richard Henderson  <rth@redhat.com>
8172
8173         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
8174         instead of gen_mem_addressof.
8175         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
8176         TImode output register.
8177
8178 2004-07-03  Richard Henderson  <rth@redhat.com>
8179
8180         PR tree-optimization/16341
8181         * tree-sra.c (sra_walk_function): Increment to next stmt before
8182         processing the current stmt.
8183         (sra_insert_after): Always use BSI_SAME_STMT.
8184
8185 2004-07-03  Richard Henderson  <rth@redhat.com>
8186
8187         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
8188         fp plus with minus.
8189
8190 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8191
8192         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
8193         with tree_int_cst_equal.
8194
8195 2004-07-03  Andreas Schwab  <schwab@suse.de>
8196
8197         * config/ia64/ia64.md: Define new attribute "empty".
8198         (prologue_use, nop_x, insn_group_barrier): Set it.
8199
8200         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
8201         skip over "empty" insns.
8202
8203 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8204
8205         * tree-inline.c (initialize_inlined_parameters): Pass proper function
8206         context to gimplify_body.
8207         (walk_tree): Don't walk into types twice.
8208         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
8209
8210         * tree-sra.c (generate_element_init): Remove any useless conversions.
8211
8212         * gimplify.c (gimplify_conversion): Remove stripping useless
8213         conversions from here.
8214         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
8215         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
8216         Unshare before substituting PLACEHOLDER_EXPR.
8217         (gimplify_modify_expr_to_memset): Likewise.
8218         Pass address of TO to memset, not TO itself.
8219         (gimplify_init_constructor): Make copy of OBJECT so we have it each
8220         time we make an expression (to match a PLACEHOLDER_EXPR).
8221
8222         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
8223         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
8224         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
8225         * tree-ssa-dom.c (local_fold): Likewise.
8226
8227         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
8228         * langhooks.h (strct lang_hooks): New field type_max_size.
8229         * function.c (assign_temp): Call it.
8230
8231 2004-07-03  Steven Bosscher  <stevenb@suse.de>
8232
8233         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
8234         * config/sh/sh.md: Convert the SH1 pipeline description to
8235         a DFA model.
8236
8237 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
8238
8239         * c-decl.c (struct c_binding): Remove contour field; add
8240         depth, invisible, nested fields.
8241         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
8242         (B_IN_EXTERNAL_SCOPE): New convenience macros.
8243         (bind): Add invisible and nested arguments. Initialize
8244         new fields of struct c_binding; adjust loop scanning for
8245         insertion point.
8246         (free_binding_and_advance): Clear structure with memset.
8247         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
8248         in file scope, even if it's in external scope too.
8249         (pushdecl): Adjust to match.  Create invisible file-scope
8250         declarations for block-scope forward declarations of static functions.
8251         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
8252         (undeclared_variable, lookup_label, declare_label, define_label)
8253         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
8254         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
8255         (store_parm_decls_oldstyle): Adjust to match.
8256         (diagnose_mismatched_decls): Correct handling of linkage clashes.
8257         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
8258
8259         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
8260         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
8261
8262 2004-07-02  Richard Henderson  <rth@redhat.com>
8263
8264         * c-decl.c (grokdeclarator): Don't frob current_function_decl
8265         around variable_size.
8266         (set_decl_nonlocal): Remove.
8267         (store_parm_decls): Add stmts for pending sizes.
8268         * calls.c (calls_function, calls_function_1): Remove.
8269         (precompute_arguments): Don't call it.
8270         * cfgexpand.c (set_save_expr_context): Remove.
8271         (tree_expand_cfg): Don't call it.
8272         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
8273         (dwarf2out_finish): Likewise.
8274         * expr.c (emit_block_move): Adjust addresses to BLKmode.
8275         (store_constructor): Don't pre-evaluate SAVE_EXPR.
8276         (safe_from_p): Don't queue SAVE_EXPRs.
8277         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
8278         or build plain VAR_DECLs.
8279         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
8280         (fold): Likewise.
8281         (fold_checksum_tree): Don't special-case SAVE_EXPR.
8282         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
8283         (put_var_into_stack): Don't handle SAVE_EXPR.
8284         (gen_mem_addressof): Likewise.
8285         * function.h (struct function): Remove x_save_expr_regs.
8286         (save_expr_regs): Remove.
8287         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
8288         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
8289         * stor-layout.c (variable_size): Don't set it.
8290         (force_type_save_exprs, force_type_save_exprs_1): Remove.
8291         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
8292         all callers.  Don't set SAVE_EXPR_CONTEXT.
8293         * tree-inline.h (remap_save_expr): Update decl.
8294         * tree.c (save_expr): Update build size.
8295         (first_rtl_op): Don't handle SAVE_EXPR.
8296         (unsave_expr_1, contains_placeholder_p): Likewise.
8297         (decl_function_context): Likewise.
8298         * tree.def (SAVE_EXPR): Remove args 1 and 2.
8299         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
8300         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
8301
8302 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8303
8304         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
8305         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
8306         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
8307         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
8308         some first-person references and patronizing comments.  Based on
8309         printed manual.
8310         * doc/invoke.texi: Don't reference fortran@gnu.org.
8311         * doc/trouble.texi (Warning when a non-void function value is
8312         ignored): Rewrite.  From Russ Allbery and Chris Devers.
8313
8314 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
8315
8316         * tree-ssa-pre.c (bitmap_set_t): New.
8317         (bb_value_sets): avail_out is now a bitmap_set_t.
8318         (bitmap_find_leader): New function.
8319         (bitmap_value_insert_into_set): Ditto.
8320         (bitmap_set_copy): Ditto.
8321         (bitmap_value_replace_in_set): Ditto.
8322         (bitmap_set_contains_value): Ditto.
8323         (bitmap_set_new): Ditto.
8324         (bitmap_set_pool): New pool.
8325         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
8326         (insert_aux): Ditto.
8327         (add_to_sets): Ditto.
8328         (compute_avail): Ditto
8329         (eliminate): Ditto.
8330         (init_pre): Ditto.
8331         (fini_pre): Ditto.
8332         (execute_pre): Ditto.
8333
8334 2004-07-02  Roger Sayle  <roger@eyesopen.com>
8335
8336         * config/rs6000/rs6000.c (struct processor_costs): New structure
8337         used to hold instruction latencies/sizes for processor types.
8338         (rs6000_cost): New global variable pointing to current CPU's costs.
8339         (rs6000_override_options): Initialize rs6000_cost to point to the
8340         appropriate cost table based upon rs6000_cpu and optimize_size.
8341         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
8342         timings inline.
8343
8344 2004-07-02  Richard Henderson  <rth@redhat.com>
8345
8346         * expmed.c (make_tree): Don't use SET_DECL_RTL.
8347
8348 2004-07-02  Steven Bosscher  <stevenb@suse.de>
8349
8350         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
8351
8352 2004-07-01  Richard Henderson  <rth@redhat.com>
8353
8354         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
8355         (alpha_gp_save_rtx): Use assign_stack_local instead of
8356         gen_mem_addressof.
8357
8358 2004-07-01  Richard Henderson  <rth@redhat.com>
8359
8360         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
8361         (alpha_rtx_cost_data): Update to match.
8362         (alpha_rtx_cost_size): New.
8363         (alpha_rtx_costs): Honor optimize_size.
8364
8365 2004-07-01  Richard Henderson  <rth@redhat.com>
8366
8367         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
8368         * cfgexpand.c (tree_expand_cfg): Do it here.
8369         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
8370         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
8371         * config/mips/mips.c (mips_output_mi_thunk): And here.
8372         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
8373         * config/sh/sh.c (sh_output_mi_thunk): And here.
8374         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
8375
8376 2004-07-01  Richard Henderson  <rth@redhat.com>
8377
8378         * tree.def (RTL_EXPR): Remove.
8379         * c-typeck.c (lvalue_p): Don't handle it.
8380         * expr.c (safe_from_p): Likewise.
8381         (expand_expr_real_1): Likewise.
8382         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
8383         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
8384         * gengtype.c (adjust_field_tree_exp): Likewise.
8385         * stmt.c (warn_if_unused_value): Likewise.
8386         * tree-gimple.c (recalculate_side_effects): Likewise.
8387         * tree-pretty-print.c (dump_generic_node): Likewise.
8388         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
8389         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
8390         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
8391
8392         * stmt.c (struct stmt_status): Remove x_last_expr_type,
8393         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
8394         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
8395         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
8396         all the bits that tracked last_expr.
8397         (expand_end_bindings): Don't track last_expr.
8398         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
8399         (clear_last_expr): Remove.
8400         (expand_asm): Don't call it.
8401         (expand_asm_operands, expand_end_cond): Likewise.
8402         (expand_naked_return, expand_null_return_1): Likewise.
8403         * c-typeck.c (c_begin_compound_stmt): Likewise.
8404         * cfgexpand.c (expand_block): Use expand_expr_stmt.
8405         * expr.c (expand_expr_real_1): Likewise.
8406         * tree.h: Update prototypes.
8407
8408         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
8409         (struct emit_status): Remove sequence_rtl_expr.
8410         (struct function): Remove x_rtl_expr_chain.
8411         (seq_rtl_expr, rtl_expr_chain): Remove.
8412         * function.c (struct temp_slot): Remove rtl_expr.
8413         (assign_stack_temp_for_type): Don't set it.
8414         (free_temp_slots, pop_temp_slots): Don't check it.
8415         (free_after_compilation): Don't clear x_rtl_expr_chain.
8416         (fixup_var_refs): Don't search it.
8417         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
8418         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
8419         or seq_rtl_expr.
8420         (push_topmost_sequence): Likewise.
8421         (end_sequence, init_emit): Likewise.
8422         (start_sequence_for_rtl_expr): Remove.
8423         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
8424         * rtl.h (preserve_rtl_expr_result): Remove.
8425
8426 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
8427
8428         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
8429         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
8430         typos.
8431
8432 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8433
8434         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
8435         (STANDARD_STARTFILE_PREFIX_2): Define.
8436         (standard_startfile_prefix_1): Initialize to
8437         STANDARD_STARTFILE_PREFIX_1.
8438         (standard_startfile_prefix_2): Initialize to
8439         STANDARD_STARTFILE_PREFIX_2.
8440         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
8441         (STANDARD_STARTFILE_PREFIX_1): Define.
8442         (STANDARD_STARTFILE_PREFIX_2): Define.
8443         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
8444         (STANDARD_STARTFILE_PREFIX_2): Document.
8445
8446 2004-07-01  Richard Henderson  <rth@redhat.com>
8447
8448         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
8449         in order to disable scalarization.  Instead set a flag and wait
8450         for a candidate decl.
8451
8452 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
8453
8454         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
8455         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
8456         Use terminology "testsuite" and "enumerated".
8457
8458 2004-07-01  Richard Henderson  <rth@redhat.com>
8459
8460         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
8461         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
8462         (initial_return_save): Likewise.
8463         (flush_queued_reg_saves): Remap register numbers.
8464         (dwarf2out_return_reg): Likewise.
8465
8466 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8467
8468         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
8469
8470         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
8471         access functions for lower bound and element size and only output
8472         if lower bound nonzero or element size not same as that of type.
8473         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
8474
8475 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8476
8477         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
8478
8479 2004-07-01  Per Bothner  <per@bothner.com>
8480
8481         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
8482
8483 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
8484
8485         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
8486         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
8487         first operand.  Don't optimize if the bitfield is volatile.
8488
8489 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8490
8491         * c-pretty-print.c (pp_c_postfix_expression): Handle
8492         floating-point comparison operators.
8493         (pp_c_expression): Pass floating-point comparison
8494         operators to pp_c_postfix_expression.
8495
8496 2004-07-01  Roger Sayle  <roger@eyesopen.com>
8497
8498         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
8499         rtx_cost instead of "had_mult" to determine whether the transformed
8500         expression is cheaper than the original.
8501
8502 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
8503
8504         * alias.c (get_alias_set, canon_rtx, get_addr,
8505         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
8506         Use MEM_P.
8507         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
8508         expand_builtin): Likewise.
8509         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
8510         Likewise.
8511         * combine.c (can_combine_p, combinable_i3pat, try_combine,
8512         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
8513         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
8514         record_dead_and_set_regs_1, get_last_value_validate,
8515         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
8516         * cse.c (check_dependence, canon_hash, equiv_constant,
8517         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
8518         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
8519         count_reg_usage): Likewise.
8520         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
8521         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
8522         cselib_record_sets): Likewise.
8523         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
8524         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
8525         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
8526         * df.c (df_uses_record): Likewise.
8527         * dojump (do_jump): Likewise.
8528         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
8529         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
8530         decl_start_label): Likewise.
8531         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
8532         operand_subword, change_address_1, make_safe_from): Likewise.
8533         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
8534         stabilize, force_not_mem): Likewise.
8535         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
8536         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
8537         * expr.c (convert_move, convert_modes, emit_block_move,
8538         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
8539         emit_move_insn_1, expand_assignment, store_expr,
8540         store_constructor_field, store_constructor, store_field,
8541         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
8542         Likewise.
8543         * final.c (cleanup_subreg_operands, alter_subreg,
8544         get_mem_expr_from_op): Likewise.
8545         * flow.c (notice_stack_pointer_modification_1,
8546         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
8547         Likewise.
8548         * function.c (mark_temp_addr_taken, preserve_temp_slots,
8549         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
8550         optimize_bit_field, flush_addressof, purge_addressof_1,
8551         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
8552         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
8553         keep_stack_depressed): Likewise.
8554         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
8555         noce_process_if_block, find_memory): Likewise.
8556         * integrate.c (subst_constants, allocate_initial_values): Likewise.
8557         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
8558         update_equiv_regs): Likewise.
8559         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
8560         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
8561         * optabs.c (expand_abs, emit_unop_insn): Likewise.
8562         * passes.c (rest_of_handle_final): Likewise.
8563         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
8564         move2add_note_store): Likewise.
8565         * ra-build.c (detect_remat_webs): Likewise.
8566         * ra-debug.c (dump_static_insn_cost): Likewise.
8567         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
8568         * recog.c (validate_change, apply_change_group, cancel_changes,
8569         validate_replace_rtx_1, general_operand, register_operand,
8570         nonmemory_operand, push_operand, pop_operand, memory_operand,
8571         indirect_operand, asm_operand_ok, offsettable_memref_p,
8572         offsettable_nonstrict_memref_p, constrain_operands,
8573         store_data_bypass_p): Likewise.
8574         * reg-stack.c (subst_stack_regs_pat): Likewise.
8575         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
8576         copy_cost, reg_scan_mark_refs): Likewise.
8577         * regmove.c (optimize_reg_copy_3, stack_memref_p,
8578         combine_stack_adjustments_for_block): Likewise.
8579         * regrename.c (copyprop_hardreg_forward_1): Likewise.
8580         * reload.c (can_reload_into, push_reload, decompose, immune_p,
8581         find_reloads, find_reloads_address, find_reloads_address_1,
8582         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
8583         find_equiv_reg): Likewise.
8584         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
8585         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
8586         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
8587         delete_address_reloads): Likewise.
8588         * resource.c (mark_referenced_resources): Likewise.
8589         * rtlanal.c (get_jump_table_offset, count_occurrences,
8590         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
8591         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
8592         num_sign_bit_copies1): Likewise.
8593         * rtlhooks.c (gen_lowpart_general): Likewise.
8594         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
8595         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
8596         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
8597         sdbout_global_decl): Likewise.
8598         * simplify-rtx.c (simplify_subreg): Likewise.
8599         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
8600         expand_anon_union_decl, expand_end_case_type): Likewise.
8601         * unroll.c (calculate_giv_inc): Likewise.
8602         * var-tracking.c (stack_adjust_offset_pre_post,
8603         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
8604         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
8605         vt_add_function_parameters): Likewise.
8606         * varasm.c (make_var_volatile, notice_global_symbol,
8607         assemble_external, decode_addr_const, mark_weak,
8608         default_encode_section_info): Likewise.
8609
8610 2004-07-01  Steven Bosscher  <stevenb@suse.de>
8611
8612         * stmt.c (check_seenlabel): Remove.
8613         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
8614
8615 2004-07-01  Richard Henderson  <rth@redhat.com>
8616
8617         * function.h (struct function): Remove x_function_call_count.
8618         (function_call_count): Remove.
8619         * calls.c (expand_call): Don't set it.
8620         * integrate.c (copy_rtx_and_substitute): Likewise.
8621
8622         * function.h (struct function): Remove x_cleanup_label.
8623         (cleanup_label): Remove.
8624         * stmt.c (expand_value_return): Don't use it.
8625         * function.c (free_after_compilation): Don't set it.
8626         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
8627         * cfgexpand.c (tree_expand_cfg): Update call.
8628         * tree.h (expand_function_start): Update decl.
8629
8630 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
8631
8632         PR c/1027
8633         * c-lang.c (c_initialize_diagnostics): Move from here ...
8634         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
8635         (c_tree_printer): Use pretty-printer to format %T.
8636         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
8637         before '*' if not C++.
8638         (pp_c_direct_abstract_declarator): Don't try to print array upper
8639         bound for flexible array members.
8640         * c-tree.h: Include "diagnostic.h".
8641         (c_initialize_diagnostics): Declare.
8642         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
8643         * c-format.c (format_type_warning): New function.  Improve
8644         diagnostics for incorrect format argument types.
8645         (check_format_types): Use it.  Add two parameters.  Use the
8646         TYPE_MAIN_VARIANT of wanted_type.
8647         (check_format_info_main): Pass new parameters to
8648         check_format_types.
8649         (struct format_wanted_type): Update comment.
8650
8651 2004-07-01  Nick Clifton  <nickc@redhat.com>
8652
8653         * target.h (struct gcc_target): Add new field to struct cxx:
8654         import_export_class.
8655         * target-def.h (TARGET_CXX): Initialise the new field.
8656         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
8657         the new field.
8658         * doc/tm.texi: Document the new target hook.
8659
8660 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8661
8662         * builtins.c (fold_builtin_classify): Fix typo.
8663
8664 2004-07-01  Richard Henderson  <rth@redhat.com>
8665
8666         * function.c (identify_blocks, identify_blocks_1): Remove.
8667         * function.h (identify_blocks): Remove.
8668         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
8669
8670 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8671
8672         * builtins.c (fold_builtin_classify): New.
8673         (fold_builtin_unordered_cmp): Fix commentary.
8674         (fold_builtin): Use it.
8675         * builtins.def: Define builtins for isnan,
8676         isnanf, isnanl, finite, finitef, finitel,
8677         isinf, isinff, isinfl.
8678
8679 2004-07-01  Richard Henderson  <rth@redhat.com>
8680
8681         * function.h (struct function): Remove dont_emit_block_notes.
8682         * gimple-low.c (lower_function_body): Don't set it.
8683         * cfgexpand.c (expand_block): Don't check it.
8684         * cfglayout.c (insn_locators_initialize): Likewise.
8685         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
8686         * passes.c (rest_of_compilation): Likewise.
8687         * stmt.c (expand_start_bindings_and_block): Likewise.
8688         (expand_end_bindings): Likewise.
8689
8690 2004-07-01  Richard Henderson  <rth@redhat.com>
8691
8692         * cgraph.h (cgraph_build_static_cdtor): Declare.
8693         * cgraphunit.c (cgraph_build_static_cdtor): New.
8694         * c-objc-common.c (build_cdtor): Use it.
8695         * coverage.c (create_coverage): Likewise.
8696         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
8697         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
8698
8699 See ChangeLog.11 for earlier changes.