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1 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2
3         * function.c (assign_stack_local_1): Do not correct stack slot
4         address if allocation size is smaller than mode size.
5
6 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7
8         PR 22037
9         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
10         (tree_merge_blocks): Propagate anything allowed by
11         may_propagate_copy.
12         Clarify documentation.
13         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
14         SSA form, schedule an update if necessary.
15
16 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
17
18         * doc/install.texi (Binaries): Remove broken link to
19         Sinix/Reliant Unix binaries.
20
21 2005-08-03  Richard Henderson  <rth@redhat.com>
22
23         PR 23221
24         * function.c (stack_protect_epilogue): Export.
25         * tree.h (stack_protect_epilogue): Declare.
26         * calls.c (expand_call): Call it.
27
28 2005-08-03  Eric Christopher  <echristo@apple.com>
29
30         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
31         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
32         spec.
33
34 2005-08-04  Jan Hubicka  <jh@suse.cz>
35
36         * profile.c (branch_prob): Split edges with goto locus on them
37         to get proper line counts.
38         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
39
40 2005-08-03  Paul Brook  <paul@codesourcery.com>
41
42         * function.c (assign_parms): Round current_function_args_size
43         to PARM_BOUNDARY, not STACK_BOUNDARY.
44
45 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
46
47         * config/i386/i386.c (x86_elf_aligned_common)
48         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
49
50 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
51
52         PR tree-optimization/23157
53         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
54         before emitting them.
55
56 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
57
58         PR tree-optimization/19899
59         * Makefile.in (tree-scalar-evolution.o): Add real.h.
60         * tree-scalar-evolution.c: Include real.h.
61         (add_to_evolution): Build constant -1 of correct type.
62
63 2005-08-03  Jan Hubicka  <jh@suse.cz>
64
65         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
66         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
67         profile updating for complette unrolling.
68         * loop-unroll.c (peel_loop_completely): Use it.
69         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
70         (tree_unroll_loops_completely): Disable code growing unrolling of cold
71         loops.
72
73 2005-08-03  Paul Brook  <paul@codesourcery.com>
74
75         * combine.c (can_change_dest_mode): New function.
76         (try_combine, simplify_set): Use it.
77
78 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
79
80         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
81         TFmode to BLKmode.
82
83 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
84
85         * doc/install.texi (Specific): Adjust link to openavr.org.
86         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
87         (Binaries): Adjust HP-UX Porting Center link.
88         (Binaries): Adjust Free Software Foundation ordering link.
89
90 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
91
92         * convert.c (convert_to_integer): Use fold_build1 instead of
93         build1 when converting an integer to an integer.
94
95 2005-08-02  Richard Henderson  <rth@redhat.com>
96
97         * combine.c (combine_instructions): Don't use reg_equal/equiv
98         results if the mode doesn't match.
99
100 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
101
102         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
103         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
104
105 2005-08-02  Richard Henderson  <rth@redhat.com>
106
107         PR 23196
108         * explow.c (memory_address): Remove special-case for
109         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
110
111 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
112
113         PR 23164
114         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
115         number of calls to cleanup_tree_cfg_1.
116
117 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
118
119         * doc/invoke.texi: document file extensions .F90 and .F95
120
121 2005-08-02  Richard Guenther  <rguenther@suse.de>
122
123         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
124         positive if its first argument is positive.
125
126 2005-08-02  Richard Guenther  <rguenther@suse.de>
127
128         PR tree-optimization/23177
129         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
130         on TMR_TAG.
131
132 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
133
134         PR tree-optimization/23129
135         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
136         varying for divisions with anti-ranges.
137
138 2005-08-02  Jan Hubicka  <jh@suse.cz>
139
140         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
141         * tree-ssa-threadupdate.c (thread_block): Add it here.
142
143 2005-08-01  James E Wilson  <wilson@specifix.com>
144
145         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
146         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
147         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
148         New.
149         * config/mips/predicates.md (const_call_insn_operand): Add check for
150         SYMBOL_REF_LONG_CALL_P.
151         * doc/extend.texi (long_call): Document the new attribute.
152
153 2005-08-01  Ian Lance Taylor  <ian@airs.com>
154             Richard Henderson  <rth@redhat.com>
155
156         * Makefile.in (RTL_BASE_H): Add real.h.
157         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
158         instead of memcpy.
159         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
160         directly.
161         * rtl.c (rtl_check_failed_code_mode): New.
162         * rtl.h (struct rtx_def): Add u.rv.
163         (XCMWINT, XCNMPRV): New.
164         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
165         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
166
167 2005-08-01  Richard Henderson  <rth@redhat.com>
168
169         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
170         with auto-inc codes.
171
172         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
173
174 2005-08-01  Jan Hubicka  <jh@suse.cz>
175
176         * i386-protos.h (asm_preferred_eh_data_format): Declare.
177         * i386.c: Include dwarf2.h
178         (asm_preferred_eh_data_format): New.
179         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
180
181 2005-08-01  Ian Lance Taylor  <ian@airs.com>
182
183         * config/host-linux.c (linux_gt_pch_get_address): Add new name
184         randomize_va_space for virtual address randomization control.
185
186 2005-08-01  Steven Bosscher  <stevenb@suse.de>
187
188         * common.opt (flag_ipa_cp): Put in right place to maintain
189         alphabetic sort.
190
191 2005-08-01  Jan Hubicka  <jh@suse.cz>
192
193         * profile.c (compute_value_histograms): Fix thinko.
194         * value-prof.c: Include toplev.h
195         (check_counter): New function.
196         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
197         tree_mod_subtract_transform): Add sanity check.
198
199 2005-08-01  Richard Guenther  <rguenther@suse.de>
200
201         PR tree-optimization/23133
202         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
203         current functions parameter decls to find defs to cse
204         reciprocals of.
205
206 2005-08-01  Richard Guenther  <rguenther@suse.de>
207
208         PR tree-optimization/23109
209         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
210         If trapping math is in effect, use post-dominator information
211         to check if we'd in any case reach a trapping point before
212         doing the reciprocal insertion.
213         (execute_cse_reciprocals): Compute post-dominators, if necessary.
214         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
215         expressions are invariant only if trapping math is not in effect.
216
217 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
218
219         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
220         cgraph_function_versioning): New declarations.
221         * cgraphunit.c: Add include to ipa-prop.h.
222         (update_call_expr, cgraph_copy_node_for_versioning,
223         cgraph_function_versioning): New functions.
224         * integrate.c (copy_decl_for_inlining): Remove.
225         * ipa-prop.h (ipa_replace_map): New struct.
226         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
227         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
228         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
229         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
230         ipcp_iterate_stage, ipcp_method_scale_print,
231         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
232         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
233         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
234         ipcp_update_bb_counts, ipcp_update_profiling,
235         ipcp_update_edges_counts): New functions.
236         (ipcp_method_cval_init): Remove restriction regarding local methods.
237         (ipcp_init_stage): Add ipcp_method_compute_scale.
238         (ipcp_insert_stage): Add versioning.
239         (ipcp_structures_print): Add ipcp_method_scale_print.
240         (ipcp_driver): Dump profiling info.
241         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
242         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
243         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
244         (struct inline_data): Add versioning_p, ipa_info, new fields.
245         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
246         declare_return_variable): Replace calls to copy_decl_for_inlining with
247         copy_decl_for_dup.
248         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
249         versioning support.
250         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
251         Add argument VERSIONING.
252         (copy_arguments_for_versioning, copy_static_chain,
253         function_versionable_p, tree_versionable_function_p,
254         tree_function_versioning, replace_ref_tree): New functions.
255         * tree-inline.h: Include varray.h.
256         (tree_versionable_function_p,  tree_function_versioning,
257         tree copy_decl_for_dup): New declarations.
258
259 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
260
261         * ipa-cp.c: New file. Contains IPCP specific functionality.
262         * ipa-prop.h: New file. Contains structures/definitions that can be
263         used by several interprocedural data flow optimizations (and also IPCP).
264         * ipa-prop.c: New file.
265         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
266         * common.opt: Add ipa-cp flag.
267         * timevar.def: Add IPCP optimization.
268         * tree-optimize.c (init_tree_optimization_passes): Schedule
269         pass_ipa_cp.
270         * tree-pass.h (pass_ipa_cp): Declare.
271
272 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
273
274         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
275         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
276         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
277         config/i386/i386.c, config/mips/mips.h,
278         config/rs6000/rs6000.h, config/sh/sh.c,
279         config/stormy16/stormy16.c: Fix comment typos.
280
281 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
282
283         PR c/22311
284         * c-typeck.c (build_binary_op): Use common_type wrapper on
285         shortened types.
286         (common_type): Update comment.
287
288 2005-07-31  Steven Bosscher  <stevenb@suse.de>
289
290         PR target/23095
291         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
292         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
293         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
294
295 2005-07-31  Jan Hubicka  <jh@suse.cz>
296
297         * pretty-print.h (pp_widest_integer): New macro.
298         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
299         counts.
300
301 2005-07-31  Jan Hubicka  <jh@suse.cz>
302
303         * output.h (enum section_category): Export from varasm.c
304         (categorize_decl_for_section): Likewise.
305         * varasm.c (enum section_category): Kill.
306         (categorize_decl_for_section): Make global.
307         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
308         Declare.
309         * i386.c (ix86_section_threshold): New static variable.
310         (ix86_in_large_data_p, ix86_encode_section_info,
311         x86_64_elf_unique_section,
312         x86_64_elf_select_section): New functions.
313         (TARGET_ENCODE_SECTION_INFO): Define
314         (override_options): Enable medium model for PIC.
315         (ix86_expand_prologue): Expand gen_set_got_rex64.
316         (legitimate_constant_p): Handle new UNSPECs.
317         (legitimate_pic_address_disp_p): Likewise.
318         (legitimize_pic_address): Lower MEDIUM model addressing.
319         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
320         (enum cmodel): Add MEDIUM_PIC.
321         (SYMBOL_REF_FAR_ADDR_P): New macro.
322         (SYMBOL_FLAG_FAR_ADDR): New flag.
323         * i386.md (movdi): Support medium model.
324         (set_got_rex64): New pattern.
325         * i386.opt (mlarge-data-threshold): New flag.
326         * predicates.md (zext_operand/sext_operand): Deal with medium model.
327         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
328         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
329         TARGET_ASM_UNIQUE_SECTION): New.
330
331         * invoke.texi (-mlarge_data_threshold): Document
332
333 2005-07-31  Jan Hubicka  <jh@suse.cz>
334
335         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
336         (coalesce_vars): Likewise.
337         * tree-ssa-live.c (coalesce_cost): New.
338         (build_tree_conflict_graph): Use coalesce_cost.
339         * tree-ssa-live.h (coalesce_cost): Declare.
340
341 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
342
343         * arm.md (all peepholes for post-increment operations): Delete.
344         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
345         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
346         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
347         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
348         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
349
350 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
351
352         * fold-const.c (tree_expr_nonnegative_p): Always return true for
353         non-integral types.
354
355 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
356
357         PR target/22582
358         * doc/invoke.texi: Document -rdynamic.
359
360 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
361
362         PR c/23143
363         * c-parser.c (c_parser_parms_list_declarator): Call
364         mark_forward_parm_decls.
365         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
366         decls with visibility structure.
367
368 2005-07-30  Paul Brook  <paul@codesourcery.com>
369
370         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
371
372 2005-07-30  Paul Brook  <paul@codesourcery.com>
373
374         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
375         prototype.
376         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
377         value for mode.
378         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
379
380 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
381
382         PR c/529
383         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
384         nested function declarators.
385         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
386         (grokparms): Call warn_if_shadowing for parameters used within the
387         parameter list.
388         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
389         not used within the parameter list.
390         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
391
392 2005-07-30  Jan Hubicka  <jh@suse.cz>
393
394         * expr.c (expand_expr_real_1): Do not load mem targets into register.
395         * i386.c (ix86_fixup_binary_operands): Likewise.
396         (ix86_expand_unary_operator): Likewise.
397         (ix86_expand_fp_absneg_operator): Likewise.
398         * optabs.c (expand_vec_cond_expr): Validate dest.
399
400 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
401
402         PR c/21720
403         * real.c (real_from_string): Also set last bit if there is a
404         nonzero hex digit beyond GCC's internal precision after ".".
405
406 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
407
408         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
409         define_constants.  Change duplicate values to unassigned numbers.
410         Change UNSPEC_SUBS to UNSPEC_VSUBS.
411         (*altivec_vspltsf): New.
412         (altivec_vperm_v4sf): Delete.
413         (altivec_vperm_<mode>): Use mode macro V.
414         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
415         (altivec_predicate_v4sf): Delete.
416         (altivec_predicate_<mode>): Use mode macro V.
417         (*altivec_lvesfx): New.
418         (*altivec_stvesfx): New.
419         (vec_realign_load_v4sf): Delete.
420         (vec_realign_load_<mode>): Use mode macro V.
421         * config/rs6000/rs6000.c (generate_set_vrsave): Use
422         UNSPECV_SET_VRSAVE.
423
424 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
425
426         PR bootstrap/23131
427         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
428         string.
429         * configure: Regenerated.
430
431 2005-07-29  Paul Brook  <paul@codesourcery.com>
432
433         * doc/install.texi: Add link to GFortran binaries wiki page.
434
435 2005-07-29  David Ung  <davidu@mips.com>
436
437         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
438         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
439         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
440         * config/mips/mips.md (cpu): Add 5kf name.
441         (includes): Includes 5k.md.
442         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
443         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
444         -march flag.
445
446 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
447
448         PR 22550
449         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
450         (cleanup_tree_cfg): ... here.
451         Call cleanup_tree_cfg_1 until there are no more cleanups to
452         do.
453
454 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
455
456         * tree-vrp.c (compare_range_with_value): Return true or false
457         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
458         EQ_EXPR respectively.
459
460 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
461
462         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
463         Fix comment typos.
464
465 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
466
467         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
468         (tree_ssa_dominator_optimize): Increment it.
469         (dump_dominator_optimization_stats): Print it.
470
471 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
472             Steven Bosscher  <stevenb@suse.de>
473
474         PR rtl-optimization/23117
475         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
476         when head == tail.  Tidy comment.
477
478 2005-07-28  Richard Henderson  <rth@redhat.com>
479
480         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
481         * cselib.c (rtx_equal_for_cselib_p): Likewise.
482         * jump.c (rtx_renumbered_equal_p): Likewise.
483         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
484         CONST_INT and CONST_DOUBLE.
485         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
486         * reload.c (operands_match_p): Special case CONST_INT and
487         CONST_DOUBLE; check mode earlier.
488
489 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
490
491         PR c/22240
492         * c-typeck.c (convert_for_assignment): Do not check
493         DECL_IN_SYSTEM_HEADER on NULL fundecl.
494
495 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
496
497         PR c/22192
498         * c-typeck.c (composite_type): Prefer constant size arrays to
499         VLAs.
500
501 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
502
503         PR c/21720
504         * real.c (real_from_string): Set last bit if there is a nonzero
505         hex digit beyond GCC's internal precision.
506
507 2005-07-28  Richard Henderson  <rth@redhat.com>
508
509         PR rtl-opt/22619
510         * cfgcleanup.c (try_forward_edges): Watch out for end of
511         insn chain.
512
513 2005-07-28  James E Wilson  <wilson@specifixinc.com>
514
515         PR c/23106
516         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
517
518 2005-07-28  Jan Hubicka  <jh@suse.cz>
519
520         * Makefile.in (rtl-profile.o): Kill all traces of it.
521         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
522         * coverage.h (rtl_coverage_counter_ref): Kill.
523         * opts.c (flag_speculative_prefetching_set): Kill.
524         (flag_loop_optimize_set): New.
525         (common_handle_option): Disable loop optimizer when profiling;
526         do not handle speculative prefetching.
527         * passes.c (init_optimization_passes): Replace pass_profiling combo
528         by branch_prob pass.
529         * profile.c (compute_value_histograms): Update for simplified value
530         profiles.
531         (rtl_register_profile_hooks): Kill.
532         (pass_profiling): Kill.
533         (rest_of_handle_branch_prob): Do not profile.
534         * toplev.c (process_options): Remove speculative prefetching.
535         * toplev.h (flag_tree_based_profiling): Kill.
536         * tree-profile.c (prepare_instrumented_value,
537         tree_gen_interval_profiler, tree_gen_pow2_profiler,
538         tree_gen_one_value_profiler, do_tree_profiling): Update for
539         simplified datastructures.
540         * value-prof.c: Add comment that speculative prefetching was dropped;
541         update rest of file for simplified datastructures.
542         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
543         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
544         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
545         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
546         rtl_mod_subtract, gen_speculative_prefetch,
547         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
548         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
549         (gate_handle_value_profile_transformations,
550         rest_of_handle_value_profile_transformations,
551         pass_value_profile_transformations): Kill.
552         * value-prof.h (histogram_value_t): Remove IL based unions.
553         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
554         rtl_profile_hooks): Remove hooks.
555
556         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
557
558         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
559         (cgraph_clone_node): Likewise.
560         * cgraph.h (cgraph_clone_edge): Update prototype.
561         (cgraph_clone_node): Likewise.
562         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
563         cgraph_clone_node.
564         (lookup_recursive_calls): Consider profile.
565         (cgraph_decide_recursive_inlining): Fix updating; use new
566         probability argument; use profile.
567         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
568         * tree-inline.c (copy_bb): Update clal of clone_edge.
569         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
570
571         * invoke.texi (min-inline-recursive-probability): Document.
572
573 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
574
575         * doc/install.texi (Configuration): Update Valgrind homepage.
576
577 2005-07-28  Richard Henderson  <rth@redhat.com>
578
579         PR middle-end/21362
580         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
581         labels we want to delete.
582         (cfg_layout_merge_blocks): Likewise.
583
584 2005-07-28  Richard Henderson  <rth@redhat.com>
585
586         PR target/17692
587         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
588         when expanding to nothing.
589
590 2005-07-28  Josh Conner  <jconner@apple.com>
591
592         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
593         (cgraph_decide_inlining_of_small_functions): Likewise.
594
595 2005-07-28  Josh Conner  <jconner@apple.com>
596
597         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
598         direction of badness if negative.
599         (cgraph_default_inline_p): Add reason to parameters, and assign it
600         a value.
601         (cgraph_decide_inlining_of_small_functions): New parameter in call
602         to cgraph_default_inline_p.
603         (cgraph_decide_inlining_incrementally): Likewise.
604         * cgraphunit.c (decide_is_function_needed): Likewise.
605         * cgraph.h (cgraph_default_inline_p): Likewise.
606
607 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
608
609         * builtins.c: Fix comment typo(s).
610         * genautomata.c: Likewise.
611         * gimplify.c: Likewise.
612         * tree-dfa.c: Likewise.
613         * tree-flow-inline.h: Likewise.
614         * tree-into-ssa.c: Likewise.
615         * tree-ssa-alias.c: Likewise.
616         * tree-ssa-ccp.c: Likewise.
617         * tree-ssa-copy.c: Likewise.
618         * tree-ssa-dce.c: Likewise.
619         * tree-ssa-dom.c: Likewise.
620         * tree-ssa-operands.c: Likewise.
621         * tree-tailcall.c: Likewise.
622         * tree-vectorizer.c: Likewise.
623         * tree-vrp.c: Likewise.
624         * tree.c: Likewise.
625
626 2005-07-28  Jeff Law  <law@redhat.com>
627
628         * tree-vrp.c (test_for_singularity): Extracted from  ...
629         (simplify_cond_using_ranges): Attempt to simplify a relational
630         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
631
632 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
633
634         PR tree-optimization/22506
635         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
636         phis whose argument is constant.
637
638 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
639
640         PR rtl-optimization/18992
641         Back out this patch:
642           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
643           PR optimization/12142
644           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
645           uses of the register in the SET_SRC.  Remove unnecessary argument.
646
647         Replace it with this:
648         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
649         if flag_non_call_exceptions is set and the insn may trap, pass
650         pc_rtx as dest for recursion.
651         In SET_SRC part of SET case, if dest is already set, pass it down
652         unchanged.
653
654 2005-07-28  Jan Hubicka  <jh@suse.cz>
655
656         * cfg.c (update_bb_profile_for_threading): Use RDIV.
657         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
658         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
659         roundoff errors.
660         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
661         profile when available.
662
663 2005-07-28  Jan Beulich <jbeulich@novell.com>
664
665         * config/ia64/ia64.c (ia64_load_pair_ok): New.
666         (ia64_print_operand): Describe and handle 'X'.
667         (ia64_register_move_cost): Also handle FP_REGS.
668         (ia64_preferred_reload_class): Likewise.
669         (ia64_secondary_reload_class): Likewise.
670         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
671         it. Also check for ITANIUM_CLASS_FLDP.
672         * config/ia64/ia64.h (FP_REGNO_P): New.
673         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
674         (reg_class): Add FP_REGS.
675         (REG_CLASS_NAMES): Adjust for it.
676         (REG_CLASS_CONTENTS): Likewise.
677         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
678         (REG_CLASS_FROM_LETTER): Handle 'x'.
679         (CLASS_MAX_NREGS): Handle FP_REGS.
680         (MEMORY_MOVE_COST): Likewise.
681         * config/ia64/ia64.md (itanium_class): Add fldp.
682         (type): Handle fldp.
683         (movti_internal): More allowable operand combinations. Use ldfp8 when
684         splitting unnecessary. Remove predicable attribute. Adjust
685         itanium_class attribute.
686         (smuldi3_highpart): Remove outdated comment.
687         (mulditi3, umulditi3, rotlti3): New expanders.
688         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
689         (absti2): Disabled new insn for future reference.
690         Respective new splitters.
691         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
692         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
693         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
694
695 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
696
697         PR rtl-optimization/23047
698         * simplify-rtx.c (simplify_const_relational_operation): Respect
699         flag_wrapv for comparisons with ABS.
700
701 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
702
703         PR tree-optimization/22493
704         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
705         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
706
707 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
708
709         * config/frv/frv.opt (moptimize-membar): New.
710
711         * doc/invoke.texi: Document -moptimize-membar and its inverse.
712
713         * config/frv/frv.h: Remove machine_function definition.
714
715         * config/frv/frv.c (struct frv_io): New.
716         (struct machine_function): Moved from frv.h.  Add has_membar_p.
717         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
718         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
719         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
720         (frv_optimize_membar_global, frv_optimize_membar): New functions.
721         (frv_reorg): Call frv_optimize_membar when appropriate.
722         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
723         (frv_expand_builtin): Adjust calls accordingly.
724         (frv_io_address_cookie): New function.
725         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
726         load or store rather than a special insn.  Add ccnstant address and
727         io-type operands to the membar.
728         (frv_ifcvt_modify_tests): Unsign regno.
729         (frv_ifcvt_modify_tests): Same.
730
731         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
732         UNSPEC_OPTIONAL_MEMBAR constant.
733         (builtin_read_<mode>): Delete.
734         (builtin_write_<mode>): Delete.
735         ("optional_membar_<mode>"): Add operand.
736
737         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
738         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
739         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
740         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
741         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
742         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
743         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
744         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
745         * testsuite/gcc.target/frv/all-read-write-1.c: New.
746
747 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
748
749         * df.c (df_uses_record): Handle SCRATCH.
750
751 2005-07-28  Steven Bosscher  <stevenb@suse.de>
752
753         PR debug/20161
754         * passes.c (rest_of_decl_compilation): If decl is a type and
755         we have encountered errors, don't emit debug information.
756
757 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
758
759         * params.def: Fixed comment.
760
761 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
762
763         PR target/19885
764         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
765         (TARGET_ASM_UNALIGNED_HI_OP): Add.
766         (TARGET_ASM_UNALIGNED_SI_OP): Add.
767
768 2005-07-27  Steven Bosscher  <stevenb@suse.de>
769
770         PR c++/22003
771         * varasm.c (assemble_start_function): Don't do anything that may
772         require a CFG if the current function is a thunk.
773
774 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
775
776         * doc/install.texi (Prerequisites): Mention that perl is needed
777         to do export control in libstdc++ targetting Darwin.
778
779 2005-07-27  Steven Bosscher  <stevenb@suse.de>
780
781         PR rtl-optimization/17808
782         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
783         (sched_insns_conditions_mutex_p): Split out from...
784         (add_dependence): ...here.  But don't call it from here.
785         (add_dependence_list): Check sched_insns_conditions_mutex_p
786         before calling add_dependence.
787         (add_dependence_list_and_free): Likewise.
788         (fixup_sched_groups): Likewise.
789         (sched_analyze_1): Likewise.
790         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
791         (sched_analyze): Likewise.
792         (sched_analyze_insn): Likewise.
793         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
794         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
795         dependencies on all COND_EXEC insns to jumps ending basic blocks
796         when doing intrablock scheduling.
797         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
798
799 2005-07-27  Jeff Law  <law@redhat.com>
800
801         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
802         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
803         equivalency sets, correctly handle the case were vr0 has an
804         equivalency set, but vr1 does not.
805
806 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
807
808         PR tree-optimization/23073
809         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
810         vect_print_dump_info before fprintf.
811
812 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
813
814         PR tree-optimize/22348
815         * tree-ssa-loop-niter.c (number_of_iterations_cond):
816         Fold the partial computation.
817
818 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
819
820         PR tree-optimization/22325
821         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
822         Declare.
823         * tree-scalar-evolution.c (scev_const_prop): Add generic final
824         value replacement.
825         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
826         (force_var_cost): ... this function.
827         (compute_phi_arg_on_exit): Export.
828
829 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
830
831         PR tree-optimization/20773
832         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
833         edge.
834
835 2005-07-27  Richard Guenther  <rguenther@suse.de>
836
837         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
838         Avoid pushing again if current struct contains only
839         fields we decomposed.
840
841 2005-07-27  Jan Hubicka  <jh@suse.cz>
842
843         PR tree-optimization/22574
844         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
845         not available.
846
847         * tree-tailcall.c (decrease_profile): New function.
848         (eliminate_tail_call): Use it.
849
850         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
851         visibility flags correctly in whole program mode.
852
853 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
854
855         PR rtl-optimization/22472
856         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
857
858 2005-07-26  Steven Bosscher  <stevenb@suse.de>
859
860         PR tree-optimization/22504
861         * tree-complex.c (expand_complex_addition): Use 'code' instead
862         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
863
864 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
865
866         * config.gcc (cpu_type): Add frv case.
867         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
868         (supported_defaults): Add fr550 case.
869
870 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
871
872         PR 22591
873         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
874         whether a pointer of type T * may point to objects of type T *.
875
876 2005-07-26  DJ Delorie  <dj@redhat.com>
877
878         * configure: Regenerate.
879
880 2005-07-26  Dale Johannesen  <dalej@apple.com>
881
882         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
883
884 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
885
886         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
887         Clarify use of "build" in name.
888
889 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
890
891         * doc/extend.texi (Raw read/write Functions): New section.
892         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
893         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
894         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
895         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
896         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
897         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
898         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
899         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
900         * config/frv/frv.c: Add bdesc_loads global.
901         Add bdesc_stores global.
902         (frv_init_builtins): Add support for __builtin_{read/write}*.
903         (frv_volatile_memref): New.
904         (frv_expand_load_builtin): New.
905         (frv_expand_store_builtin): New.
906         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
907         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
908         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
909         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
910         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
911         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
912         (builtin_read_<mode>): New.
913         (builtin_write_<mode>): New.
914         (builtin_write64): New.
915         (optional_membar_<mode>): New.
916
917 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
918
919         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
920         (rather than units) against HOST_BITS_PER_WIDE_INT.
921
922 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
923
924         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
925         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
926         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
927         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
928         FSF address.
929
930         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
931         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
932         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
933         comment typos.
934         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
935
936 2005-07-26  Richard Guenther  <rguenther@suse.de>
937
938         PR tree-optimization/22486
939         * fold-const.c (fold_unary): Fold away useless component
940         references of the form (T *)&T.x, if the address
941         doesn't change.
942
943 2005-07-25  James E Wilson  <wilson@specifixinc.com>
944
945         * dwarf2out.c (add_call_src_coords_attributes): New.
946         (gen_inlined_subroutine_die): Call it.
947         (maybe_emit_file, init_file_table): Add comments.
948         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
949         maybe_emit_file.
950         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
951         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
952         * tree.h (BLOCK_SOURCE_LOCATION): New.
953         (struct tree_block): New field locus.
954
955 2005-07-26  Andreas Schwab  <schwab@suse.de>
956
957         PR rtl-optimization/23043
958         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
959         when allocating a struct unoccr.
960
961 2005-07-25  Richard Henderson  <rth@redhat.com>
962
963         PR 22626
964         * tree-complex.c (gate_no_optimization): True if errors.
965         * Makefile.in (tree-complex.o): Update dependencies.
966
967 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
968
969         * config/frv/predicates.md (integer_register_operand): Use
970         GPR_AP_OR_PSEUDO_P.
971
972 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
973
974         PR tree-opt/22484
975         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
976         after fold.
977         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
978
979 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
980
981         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
982         types when flag_unsafe_math_optimizations is true.
983
984 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
985
986         * gcc.c (option_map): Add --sysroot.
987         (process_command): Handle --sysroot.
988         (display_help): Document it.
989         * doc/cppopts.tex (-isysroot): Document.
990         * doc/invoke.texi (--sysroot): Document.
991         * doc/install.texi (--with-build-sysroot): Document.
992
993         * Makefile.in (inhibit_libc): New variable.
994         (INHIBIT_LIBC_CFLAGS): Likewise.
995         (LIBGCC2_CFLAGS): Include
996         $(INHIBIT_LIBC_CFLAGS).
997         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
998         ($(T)crtbegin.o): Do not use @inhibit_libc@.
999         ($(T)crtend.o): Likewise.
1000         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
1001         ($(T)crtendS.o): Likewise.
1002         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
1003         ($(T)crtendT.o): Likewise.
1004         (stmp-fixinc): Do not complain about missing headers if
1005         inhibit_libc.
1006         * configure.ac (inhibit_libc): Set it to true/false.
1007         (--with-build-sysroot): New option.  Use it to set
1008         SYSTEM_HEADER_DIR.
1009         * configure: Regenerated.
1010
1011 2005-07-25  Manfred Hollstein  <mh@suse.com>
1012
1013         * calls.c (store_one_arg): Fix unsigned comparison warning.
1014
1015 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1016
1017         PR other/22337
1018         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
1019         (ggc_print_statistics): Initialize variable before use.
1020
1021 2005-07-25  Richard Guenther  <rguenther@suse.de>
1022
1023         * tree-dfa.c (mark_new_vars_to_rename): Protect against
1024         calling with a PHI_NODE argument.
1025
1026         * tree-flow-inline.h (overlap_subvar): Protect against
1027         possible overflow.
1028
1029 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
1030
1031         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
1032         * configure: Regenerate.
1033
1034 2005-07-25  Ira Rosen  <irar@il.ibm.com>
1035
1036         * expr.c (highest_pow2_factor): Make extern.
1037         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
1038         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
1039         record_array_differ_p, array_ptr_differ_p): Likewise.
1040         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
1041         additional cases. Call the above functions.
1042         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
1043         base_object_differ_p when there are two base objects. Otherwise, compare
1044         base address and offset. Call may_alias_p.
1045         (dump_data_reference): Use a correct field name.
1046         (analyze_array): Make static. Initialize new data-ref fields.
1047         (analyze_indirect_ref): New function.
1048         (init_data_ref): Initialize new data-ref fields.
1049         (strip_conversion): Moved from tree-vect-analyze.c.
1050         (analyze_offset_expr, get_ptr_offset, address_analysis,
1051         object_analysis): Likewise.
1052         (analyze_offset): New function.
1053         (create_data_ref): Likewise.
1054         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
1055         dimensions for ARRAY_REFs only.
1056         (build_classic_dist_vector): Make static.
1057         (access_functions_are_affine_or_constant_p): Call macro to get the
1058         address of access functions.
1059         (compute_all_dependences): Add new parameter
1060         compute_self_and_read_read_dependences. Compute self and read-read
1061         dependences if it is true.
1062         (find_data_references_in_loop): Call create_data_ref. Initialize new
1063         data-ref fields.
1064         (compute_data_dependences_for_loop): Add new parameter
1065         compute_self_and_read_read_dependences. Remove parameter nb_loops,
1066         compute nb_loops. Call compute_all_dependences,
1067         build_classic_dist_vector and build_classic_dir_vector with correct
1068         parameters.
1069         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
1070         with correct parameters. Compare dimensions for ARRAY_REFs only.
1071         (free_data_refs): Call macro to free access functions.
1072         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
1073         fields from stmt_vinfo.
1074         (struct base_object_info): New structure.
1075         (struct data_reference): Move fields to base_object_info. Add fields
1076         first_location and object_info for above structures. Move fields from
1077         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
1078         aligned_to.  Add macros to access the new fields.
1079         Update functions declarations.
1080         * tree-flow.h (is_aliased_with): Declare.
1081         * tree-loop-linear.c (linear_transform_loops): Call
1082         compute_data_dependences_for_loop with correct parameters.
1083         * tree-ssa-alias.c (is_aliased_with): New function.
1084         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
1085         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
1086         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
1087         vect_base_addr_differ_p, compute_subscript_distance and
1088         build_classic_dist_vector. Add printings. Check absolute value of
1089         distance.
1090         (vect_analyze_data_ref_dependences): Go through ddrs instead of
1091         data-refs.
1092         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
1093         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
1094         to bytes. Add printing.
1095         (vect_compute_data_refs_alignment): Go through loads and stores in one
1096         loop.
1097         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
1098         vect_analyze_data_ref_access): Likewise.
1099         (vect_analyze_pointer_ref_access): Remove.
1100         (vect_address_analysis, vect_object_analysis): Likewise.
1101         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
1102         and analyze data-refs in the loop.
1103         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
1104         fields of data-ref instead of stmt. Add init to the offset from the
1105         base.
1106         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
1107         (vect_update_init_of_dr): Likewise.
1108         (vect_update_inits_of_drs): Go through loads and stores in one loop.
1109         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
1110         removed fields.
1111         (new_loop_vec_info): Initialize new fields.
1112         (destroy_loop_vec_info): Free new fields.
1113         (vect_strip_conversion): Remove.
1114         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
1115         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
1116         datarefs. Add new field ddrs.
1117         Add macros for the new fields access.
1118         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
1119         base_aligned_p, misalignment, memtag, ptr_info and subvars.
1120         Remove their macros.
1121         * tree.h (highest_pow2_factor): Declare.
1122
1123 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
1124
1125         * calls.c (store_one_arg): Check for sibling call MEM arguments
1126         from already clobbered incoming argument area.
1127
1128 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1129
1130         * c-common.c (check_missing_format_attribute): New.
1131         * c-common.h (check_missing_format_attribute): Likewise.
1132         * c-typeck.c (convert_for_assignment): Use it.
1133
1134 2005-07-24  Andreas Schwab  <schwab@suse.de>
1135
1136         * config/m68k/m68k.md ("extendqidi2"): When source is an address
1137         register use a word move.  Correct operand of ext.w in 68000 code.
1138
1139 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
1140
1141         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
1142         variables as declarations, rather than definitions.
1143
1144 2005-07-24  Ira Rosen  <irar@il.ibm.com>
1145
1146         PR tree-optimization/22526
1147         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
1148         of the zero node.
1149
1150 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1151
1152         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
1153         that C99 reserve for future use. Use it to define clog10,
1154         clog10f and clog10l.
1155
1156 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1157
1158         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
1159         * configure.ac: Check for -Wmissing-format-attribute.
1160
1161         * configure: Regenerate.
1162
1163 2005-07-23  Richard Henderson  <rth@redhat.com>
1164
1165         PR tree-optimization/22623
1166         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
1167
1168 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
1169
1170         PR target/22577
1171         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
1172
1173 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1174
1175         * Makefile.in (C_TREE_H): Update dependencies.
1176         * c-tree.h: Include toplev.h.
1177         * diagnostic.h (diagnostic_set_info): Add format attribute.
1178         * rtl-error.c (diagnostic_for_asm): Likewise.
1179
1180 2005-07-23  Chao-ying Fu  <fu@mips.com>
1181
1182         * config/mips/mips-dsp.md: New file.
1183         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
1184         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
1185         functions.
1186         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
1187         MIPS_BUILTIN_BPOSGE32.
1188         (mips_expand_builtin_direct): Add one parameter to indicate that
1189         builtin functions need to return a value.
1190         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
1191         functions.
1192         (mips_regno_to_class): Add classes for 12 new DSP registers.
1193         (mips_subword): Change to check four HI registers.
1194         (mips_output_move): Output move to and from 6 new DSP accumulators.
1195         (override_options): Make sure -mdsp and -mips16 are not used together.
1196         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
1197         for machine modes.
1198         (mips_conditional_register_usage): Disable 6 new DSP accumulators
1199         when !TARGET_DSP.
1200         (print_operand): Add 'q' for printing DSP accumulators.
1201         (mips_cannot_change_mode_class): Check ACC_REGS.
1202         (mips_secondary_reload_class): Check ACC_REGS.
1203         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
1204         (mips_register_move_cost): Check ACC_REGS.
1205         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
1206         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
1207         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
1208         (dsp_bdesc): New array.
1209         (bdesc_arrays): Add DSP builtin function table.
1210         (mips_prepare_builtin_arg): Check predicate again after
1211         copy_to_mode_reg.
1212         (mips_expand_builtin): Add one more parameter to
1213         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
1214         MIPS_BUILTIN_BPOSGE32.
1215         (mips_init_builtins): Initialize new function types.
1216         (mips_expand_builtin_direct): Check if builtin functions need to
1217         return a value and pass operands properly.
1218         (mips_expand_builtin_bposge): New function.
1219         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
1220         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
1221         (FIRST_PSEUDO_REGISTER): Increase to 188.
1222         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1223         Update for 12 new DSP registers.
1224         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
1225         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
1226         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
1227         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
1228         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
1229         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
1230         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
1231         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
1232         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
1233         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
1234         (REGISTER_NAMES): Add names for 12 new DSP registers.
1235         * config/mips/mips.md: Include mips-dsp.md.
1236         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
1237         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
1238         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
1239         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
1240         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
1241         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
1242         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
1243         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
1244         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
1245         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
1246         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
1247         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
1248         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
1249         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
1250         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
1251         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
1252         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
1253         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
1254         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
1255         (UNSPEC_RDDSP): New constants.
1256         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
1257         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
1258         A<-d alternative.
1259         * config/mips/mips.opt (-mdsp): New option.
1260         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
1261         (reg_imm10_operand): New predicates.
1262         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
1263         * doc/invoke.texi (-mdsp): Document new option.
1264
1265 2005-07-22  DJ Delorie  <dj@redhat.com>
1266
1267         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
1268         to warning calls.
1269         * tree-inline.c (inlinable_function_p): Likewise.
1270
1271 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
1272
1273         PR debug/21828
1274         * toplev.c (check_global_declarations): Do not mark undefined
1275         variables as DECL_IGNORED_P.
1276         * varasm.c (first_global_object_name): GTY it.
1277         (weak_global_object_name): Likewise.
1278         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
1279         a string to go into {weak,first}_global_object_name.
1280
1281 2005-07-22  DJ Delorie  <dj@redhat.com>
1282
1283         * c-format.c (check_function_format): Change warning control
1284         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
1285
1286 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
1287
1288         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
1289         &PTR->FLD a dereference of PTR.
1290         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
1291         a potential dereference of PTR.
1292
1293 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
1294
1295         PR rtl-optimization/20370
1296         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
1297         call allocate_reg_info if necessary.
1298
1299         PR rtl-optimization/21848
1300         * calls.c (emit_library_call_value_1): For const functions, add
1301         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
1302
1303         PR rtl-optimization/22445
1304         * cselib.c (target.h): Include.
1305         (rtx_equal_for_cselib_p): Allow commutative matches.
1306         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
1307         Remove MODE parameter.  Changed all callers.
1308
1309         PR rtl-optimization/22258
1310         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
1311         New functions.
1312         (try_combine): Use likely_spilled_retval_p.
1313
1314 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
1315
1316         * config.gcc: Add crx-elf support.
1317
1318         * doc/contrib.texi: Mention crx.
1319         * doc/extend.texi: Document crx extensions.
1320         * doc/install.texi: Document crx install.
1321         * doc/invoke.texi: Document crx options.
1322         * doc/md.texi: Document crx constraints.
1323
1324         * config/crx/crx-protos.h: New file.
1325         * config/crx/crx.c: New file.
1326         * config/crx/crx.h: New file.
1327         * config/crx/crx.md: New file.
1328         * config/crx/crx.opt: New file.
1329         * config/crx/t-crx: New file.
1330
1331 2005-07-22  Manfred Hollstein  <mh@suse.com>
1332
1333         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
1334         warnings.
1335         (int_add_graph_edge): Likewise.
1336         (collapse_nodes): Likewise.
1337         (process_unification_queue): Likewise.
1338
1339 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1340             Laurent GUERBY  <laurent@guerby.net>
1341
1342         PR tree-optimization/22336
1343         * function.c (record_block_change): Check for
1344         cfun->ib_boundaries_block.
1345
1346 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
1347
1348         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
1349         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
1350
1351 2005-07-21  DJ Delorie  <dj@redhat.com>
1352
1353         * toplev.c (warn_deprecated_use): Add warning control to warning
1354         call.
1355         * c-typeck.c (parser_build_binary_op): Likewise.
1356         (c_finish_if_stmt): Likewise.
1357         * c-common.c (check_function_sentinel): Likewise.
1358         (check_nonnull_arg): Likewise.
1359
1360 2005-07-21  Richard Henderson  <rth@redhat.com>
1361
1362         PR tree-opt/22504
1363         * tree-complex.c (complex_ssa_name_components): New.
1364         (cvc_lookup): Allow entry not found.
1365         (create_components): Remove.
1366         (create_one_component_var, get_component_var): New.
1367         (get_component_ssa_name, set_component_ssa_name): New.
1368         (extract_component): Use get_component_ssa_name.
1369         (update_complex_components): Use set_component_ssa_name.
1370         (update_complex_components_on_edge): Likewise.
1371         (update_phi_components): Create new PHI nodes directly, instead
1372         of adding insns to edges.
1373         (tree_lower_complex): Allocate and free complex_variable_components
1374         and complex_ssa_name_components here.
1375
1376 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
1377
1378         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
1379         revert to returning false.
1380
1381 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1382
1383         PR target/21149
1384         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
1385
1386 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1387
1388         PR target/22576
1389         * config/i386/i386.md (cmpxf): Change operand constraints
1390         to "nonmemory_operand".
1391
1392 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1393
1394         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
1395
1396 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1397
1398         PR middle-end/21180
1399         * fold-const.c (fold_build1): Add checksum for the operands.
1400         (fold_build2): Likewise.
1401         (fold_build3): Likewise.
1402
1403 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1404
1405         PR middle-end/19055
1406         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
1407
1408 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1409
1410         * common.opt (-fforward-propagate): Committed by mistake,
1411         removed.
1412
1413 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1414
1415         * reg-stack.c: Fix comment typo(s).
1416         * tree-ssa-operands.c: Likewise.
1417         * tree-vectorizer: Likewise.
1418
1419 2005-07-21  Nick Clifton  <nickc@redhat.com>
1420
1421         * config/sh/symbian.c: Replace C++ style line comments with C
1422         style line comments.
1423         (symbian_add_attribute): Do not use a ? operator on the LHS of
1424         an assignment.
1425         (sh_symbian_handle_dll_attribute): Change the type of the
1426         method vector to "VEC(tree,gc)*" and use vector accessor
1427         macros to walk over the elements.
1428         (symbian_export_vtable_and_rtti_p): Likewise.
1429         (symbian_class_needs_attribute_p): Likewise.
1430
1431 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1432
1433         PR target/22085
1434         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
1435         initialize targetm.resolve_overloaded_builtin here.
1436         (altivec_expand_overloaded_builtin): Make it non-static.
1437         * config/rs6000/rs6000-protos.h
1438         (altivec_expand_overloaded_builtin): New prototype.
1439         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
1440         targetm.resolve_overloaded_builtin here.
1441         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
1442
1443 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1444             Zdenek Dvorak  <dvorakz@suse.cz>
1445
1446         PR tree-optimization/19210
1447         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
1448         New.
1449         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
1450         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
1451         rely on unproven assumptions.
1452         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
1453         * tree-flow.h (number_of_iterations_exit): Add final parameter.
1454         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
1455         to number_of_iterations_exit.
1456         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
1457         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
1458         * tree-ssa-loop-niter.c (find_loop_niter,
1459         estimate_numbers_of_iterations_loop): Likewise.
1460         (number_of_iterations_exit): Honor the new options.
1461         * doc/invoke.texi (Wunsafe-loop-optimizations,
1462         funsafe-loop-optimizations): Document them.
1463
1464 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
1465
1466         PR rtl-optimization/22167
1467         * gcse.c (hoist_code): Fix hoist_exprs[] check.
1468
1469 2005-07-20  Adam Nemet  <anemet@lnxw.com>
1470
1471         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
1472         __do_global_dtors_aux longcall.
1473
1474 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
1475
1476         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
1477         (old_special_pred_table): Don't reference
1478         SPECIAL_MODE_PREDICATES.
1479         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
1480         * config/arc/arc.h: Don't mention PREDICATE_CODES.
1481         * config/sh/predicates.h: Don't mention
1482         SPECIAL_MODE_PREDICATES.
1483         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1484         Remove.
1485
1486 2005-07-20  DJ Delorie  <dj@redhat.com>
1487
1488         * config.gcc: Add m32c-elf support.
1489
1490         * doc/contrib.texi: Mention m32c.
1491         * doc/extend.texi: Document m32c extensions.
1492         * doc/install.texi: Mention m32c.
1493         * doc/invoke.texi: Document m32c options.
1494         * doc/md.texi: Document m32c constraints.
1495
1496         * config/m32c/addsub.md: New file.
1497         * config/m32c/bitops.md: New file.
1498         * config/m32c/cond.md: New file.
1499         * config/m32c/jump.md: New file.
1500         * config/m32c/m32c-lib1.S: New file.
1501         * config/m32c/m32c-lib2.c: New file.
1502         * config/m32c/m32c-modes.def: New file.
1503         * config/m32c/m32c-pragma.c: New file.
1504         * config/m32c/m32c-protos.h: New file.
1505         * config/m32c/m32c.abi: New file.
1506         * config/m32c/m32c.c: New file.
1507         * config/m32c/m32c.h: New file.
1508         * config/m32c/m32c.md: New file.
1509         * config/m32c/m32c.opt: New file.
1510         * config/m32c/minmax.md: New file.
1511         * config/m32c/mov.md: New file.
1512         * config/m32c/muldiv.md: New file.
1513         * config/m32c/predicates.md: New file.
1514         * config/m32c/prologue.md: New file.
1515         * config/m32c/shift.md: New file.
1516         * config/m32c/t-m32c: New file.
1517
1518 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1519
1520         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1521         (stack_protect_set, stack_protect_test): New expanders.
1522         (stack_protect_set_si, stack_protect_set_si_media,
1523         stack_protect_set_di_media, stack_protect_test_si,
1524         stack_protect_test_si_media, stack_protect_test_di_media):
1525         New insns.
1526
1527 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
1528
1529         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1530
1531 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
1532
1533         * tree.h (tree_expr_nonzero_p): Export.
1534         * fold-const.c (tree_expr_nonzero_p): Likewise.
1535         Return true for CALL_EXPRs that are alloca calls.
1536         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1537         against zero.
1538         * tree-flow.h (expr_computes_nonzero): Remove.
1539         * tree-vrp.c (expr_computes_nonzero): Remove.
1540         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1541         (extract_range_from_unary_expr): Likewise.
1542         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1543         tree_expr_nonzero_p.
1544
1545 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1546
1547         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1548         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
1549         extra arg "picreg" and use it instead of pic_offset_table_rtx.
1550         All callers changed.
1551         (frame_related_constant_load): New arg "related" which controls
1552         setting of RTX_FRAME_RELATED_P.  All callers changed.
1553         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1554         (bfin_expand_prologue): Add stack limit checking.
1555         * config/bfin/bfin.md (trapifcc): New pattern.
1556
1557         * config/bfin/bfin.c: Include "langhooks.h".
1558         (def_builtin): Go through lang_hooks to call builtin_function.
1559
1560         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1561         * config/bfin/predicates.md (symbol_ref_operand): New.
1562         (call_insn_operand): Delete.  All callers changed to use
1563         register_no_elim_operand.
1564         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1565         call_cookie field.
1566         (function_arg): Use it to generate the call's operand 2.
1567         (bfin_longcall_p): New function.
1568         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
1569         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
1570         determine if the address needs to be in a REG.
1571         (bfin_handle_longcall_attribute): New function.
1572         (bfin_attribute_table): Add "longcall" and "shortcall".
1573         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1574         (CUMULATIVE_ARGS): New member call_cookie.
1575         (PREDICATE_CODES): Add symbol_ref_operand.
1576         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1577         extra USE to the pattern.
1578         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1579         New patterns, split off call_insn, sibcall_insn, call_value_insn and
1580         sibcall_value_insn; now the new patterns handle direct calls and the
1581         old ones indirect calls.
1582         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1583
1584 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
1585
1586         * doc/trouble.texi: Update section on handling of empty loops.
1587
1588 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
1589
1590         * config.gcc: Remove support for sparc-*-openbsd*,
1591         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1592         ns32k-*-netbsd*.
1593         * config.host: Remove support for i860-*-sysv4* as a host.
1594         * config/i860/*, config/ip2k/*, config/ns32k/*,
1595         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1596         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1597         mention obsolete ports.
1598
1599 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1600
1601         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1602         soft frame pointer.
1603         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1604         of frame_pointer_rtx.
1605         (sh_expand_epilogue): Likewise.
1606         (sh_set_return_address): Likewise.
1607         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1608         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
1609         offsets from FRAME_POINTER_REGNUM.
1610         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1611         (sh_register_names): Add initializer for sfp.
1612         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1613         (VALID_REGISTER_P): Likewise.
1614         (FIRST_PSEUDO_REGISTER): Update.
1615         (DWARF_FRAME_REGISTERS): Define.
1616         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1617         (HARD_FRAME_POINTER_REGNUM): Define.
1618         (FRAME_POINTER_REGNUM): Redefine.
1619         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1620         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
1621         from FRAME_POINTER_REGNUM.
1622         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1623         FRAME_POINTER_REGNUM.
1624         (REG_CLASS_CONTENTS): Add sfp.
1625         (REG_ALLOC_ORDER): Likewise.
1626         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
1627         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1628         of frame_pointer_rtx.
1629         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1630
1631 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
1632
1633         * fold-const.c (tree_expr_nonnegative_p): Only return true for
1634         ABS_EXPR when flag_wrapv is false because of INT_MIN.
1635         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1636         of an ABS_EXPR.
1637         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1638         ABS_EXPR<x>.
1639
1640 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
1641
1642         Make CONSTRUCTOR use VEC to store initializers.
1643         * c-common.c (complete_array_type): Update to cope with VEC in
1644         CONSTRUCTOR_ELTS.
1645         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1646         (pp_c_constructor_elts): New function.
1647         * c-pretty-print.h (pp_c_constructor_elts): Declare.
1648         * c-typeck.c (build_function_call, build_c_cast, digest_init,
1649         struct constructor_stack, struct initializer_stack,
1650         constructor_elements, push_init_level, pop_init_level,
1651         add_pending_init, find_init_member, output_init_element): Update to
1652         cope with VEC in CONSTRUCTOR_ELTS.
1653         * coverage.c (build_fn_info_value, build_ctr_info_value,
1654         build_gcov_info): Likewise.
1655         * expr.c (categorize_ctor_elements_1, store_constructor,
1656         expand_expr_real_1): Likewise.
1657         * fold-const.c (fold_ternary): Likewise.
1658         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1659         gimplify_init_constructor, gimplify_expr): Likewise.
1660         * tree-dump.c (dequeue_and_dump): Likewise.
1661         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1662         node.
1663         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1664         CONSTRUCTOR_ELTS.
1665         * tree-sra.c (generate_element_init_1): Likewise.
1666         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1667         * tree-ssa-operands.c (get_expr_operands): Likewise.
1668         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1669         * tree-vect-transform.c (vect_get_vec_def_for_operand):
1670         (get_initial_def_for_reduction): Likewise.
1671         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1672         value handle in annotations.
1673         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1674         tree_node_structure): Add support for constr_kind.
1675         (build_vector_from_ctor, build_constructor_single,
1676         build_constructor_from_list): New functions.
1677         (build_constructor): Update to take a VEC instead of a TREE_LIST.
1678         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1679         Update to cope with VEC in CONSTRUCTOR_ELTS.
1680         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1681         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1682         CONSTRUCTOR_APPEND_ELT): New macros.
1683         (struct constructor_elt, struct tree_constructor): New data types.
1684         (union tree_node): Add tree_constructor field.
1685         * treestruct.def: Define TS_CONSTRUCTOR.
1686         * varasm.c (const_hash_1, compare_constant, copy_constant,
1687         compute_reloc_for_constant, output_addressed_constants,
1688         initializer_constant_valid_p, output_constant,
1689         array_size_for_constructor, output_constructor): Update to cope with
1690         VEC in CONSTRUCTOR_ELTS.
1691         * vec.h (VEC_empty, VEC_copy): New macros.
1692
1693 2005-07-19  Devang Patel  <dpatel@apple.com>
1694
1695         * dbxout.c (dbxout_type): Check Objective-C++ lang.
1696
1697 2005-07-19  Richard Henderson  <rth@redhat.com>
1698
1699         PR tree-opt/22278
1700         * gimplify.c (gimplify_expr): Use main variant type for the temp
1701         destination for a discarded volatile read.
1702         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1703         casts between non-void types that change volatility.
1704
1705 2005-07-15  DJ Delorie  <dj@redhat.com>
1706
1707         * toplev.h: Add comment about the first parameter for warning().
1708         * errors.h: Likewise.
1709
1710         * c.opt (Wpragmas): New.
1711         * doc/invoke.texi: Document it.
1712
1713         * function.c (do_warn_unused_parameter): Add warning control to
1714         warning call.
1715         * c-decl.c (warn_if_shadowing): Likewise.
1716         * c-lex.c (cb_def_pragma): Likewise.
1717         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1718         (pop_alignment): Likewise.
1719         (handle_pragma_pack): Likewise.
1720         (apply_pragma_weak): Likewise.
1721         (handle_pragma_weak): Likewise.
1722         (handle_pragma_redefine_extname): Likewise.
1723         (add_to_renaming_pragma_list): Likewise.
1724         (handle_pragma_extern_prefix): Likewise.
1725         (maybe_apply_renaming_pragma): Likewise.
1726         (handle_pragma_visibility): Likewise.
1727
1728         * config/c4x/c4x-c.c (BAD): Likewise.
1729         (c4x_parse_pragma): Likewise.
1730         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1731         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1732         (rs6000_pragma_longcall): Likewise.
1733         * config/v850/v850-c.c (pop_data_area): Likewise.
1734         (ghs_pragma_section): Likewise.
1735         (ghs_pragma_section): Likewise.
1736         (ghs_pragma_interrupt): Likewise.
1737         (ghs_pragma_starttda): Likewise.
1738         (ghs_pragma_startsda): Likewise.
1739         (ghs_pragma_startzda): Likewise.
1740         (ghs_pragma_endtda): Likewise.
1741         (ghs_pragma_endsda): Likewise.
1742         (ghs_pragma_endzda): Likewise.
1743
1744 2005-07-19  Danny Berlin <dberlin@dberlin.org>
1745             Kenneth Zadeck <zadeck@naturalbridge.com>
1746
1747         * Makefile.in: Removed tree-promote-statics.c
1748         * tree-promote-statics.c: Removed.
1749         * common.opt: Removed flag-promote-statics.
1750         * opts.c: Ditto.
1751         * passes.c: Removed tree-promote-statics pass.
1752         * tree-pass.h: Ditto.
1753         * timevar.def: Removed TV_PROMOTE_STATICS.
1754
1755
1756 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
1757
1758         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1759         and *-*-freebsd9.
1760         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1761
1762 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1763
1764         PR c/22476
1765         * c-common.c (check_function_arguments): Call
1766         'check_function_format' if either -Wformat or
1767         -Wmissing-format-attribute are specified.
1768         * c-format.c (check_function_format): Check -Wformat before
1769         calling 'check_format_info'.
1770         * c-opts.c (c_common_post_options): Don't warn for
1771         -Wmissing-format-attribute without -Wformat.
1772         * c-typeck.c (convert_for_assignment): Detect additional cases for
1773         -Wmissing-format-attribute.
1774         * doc/invoke.texi (-Wmissing-format-attribute): Document new
1775         behavior.
1776
1777 2005-07-19  Richard Guenther  <rguenther@suse.de>
1778
1779         * config/i386/i386.md (lrint<mode>2): Use temporary
1780         instead of clobbering non-existent memory.
1781
1782 2005-07-19  Nick Clifton  <nickc@redhat.com>
1783
1784         * config/avr/avr.c (legitimate_address_p): Fix debugging print
1785         statement to avoid displaying ASCII control characters.
1786
1787 2005-07-19  Ben Elliston  <bje@au.ibm.com>
1788
1789         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1790         * cfganal.c (find_edge_index): Ditto.
1791         * combine.c (combine_instructions): Ditto.
1792         * ddg.c (create_scc): Ditto.
1793         (find_successors): Ditto.
1794         (find_predecessors): Ditto.
1795         (find_nodes_on_paths): Ditto.
1796         (longest_simple_path): Ditto.
1797         * flow.c (update_life_info): Ditto.
1798         (count_or_remove_death_notes): Ditto.
1799         (clear_log_links): Ditto.
1800         * modulo-sched.c (generate_reg_moves): Ditto.
1801         (find_max_asap): Ditto.
1802         (find_max_hv_min_mob): Ditto.
1803         (find_max_dv_min_mob): Ditto.
1804         * sbitmap.c (sbitmap_first_set_bit): Ditto.
1805         * sched-rgn.c (extract_edgelst): Ditto.
1806         * tree-into-ssa.c (prepare_names_to_update): Ditto.
1807         (dump_update_ssa): Ditto.
1808         (ssa_names_to_replace) Ditto.
1809         (switch_virtuals_to_full_rewrite): Ditto.
1810         (update_ssa): Ditto.
1811         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1812
1813 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
1814
1815         Fix PR tree-optimization/22483
1816
1817         * tree-complex.c (create_components): Use
1818         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1819         * tree-flow-inline.h (fill_referenced_var_vec): New function.
1820         * tree-flow.h (safe_referenced_var_iterator): New structure.
1821         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1822         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1823         safe_referenced_var iterator.
1824         (add_type_alias): Ditto.
1825
1826 2005-07-19  Steven Bosscher  <stevenb@suse.de>
1827
1828         * loop-init.c (rest_of_handle_loop2): Remove.
1829         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1830         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1831         (pass_rtl_loop_init, pass_rtl_loop_done,
1832         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1833         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1834         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1835         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1836         pass_tree_loop_done, and pass_tree_unswitch.
1837         (gate_loop): Rename to gate_tree_loop.
1838         * passes.c (init_optimization_passes): Update for renamed tree
1839         loop passes.  Add the new loop2 passes as subpasses of loop2.
1840         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1841         Update for the renamed tree loop passes.
1842
1843 2005-07-18  Ian Lance Taylor  <ian@airs.com>
1844
1845         PR middle-end/22057
1846         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1847         blocks when optimizing.
1848
1849 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
1850
1851         * common.opt (frename-registers): Initialize to 2.
1852         (fweb): Ditto.
1853         (fgcse-after-reload): Ditto.
1854         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1855         (process_options): Only change flag_web, flag_rename_registers,
1856         and flag_rerun_cse_after_loop if not explicitly set by user.
1857
1858 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1859
1860         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1861         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1862         in 64-bit mode the same as DImode in 32-bit mode.
1863         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1864         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1865         mode. Add new mode parameter.
1866         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1867         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1868         x86_64_shift_adj): New expanders.
1869         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1870         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1871         insns.
1872         Respective new splitters. Use renamed shift splitter helpers in 32-bit
1873         DImode shift splitters.
1874         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1875         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1876         mode parameter.
1877
1878 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1879
1880         * i386.md (movdi_extzv_1): New.
1881         (zero_extendhidi2): Combine alternatives and never force use of
1882         REX64 prefix.
1883         (zero_extendqidi2): Likewise. Don't restrict input selection.
1884
1885 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1886
1887         Fix PR tree-optimization/22531
1888         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
1889          moment.
1890
1891 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1892
1893         * tree-promote-statics.c (pass_promote_statics): Change dump file
1894          name.
1895
1896 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1897
1898         * tree-optimize.c (init_tree_optimization_passes): Add
1899         pass_eliminate_useless_stores pass.
1900         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1901         * tree-ssa-pre.c (is_copy_stmt): New function.
1902         (follow_copies_till_vuse): Ditto.
1903         (do_eustores): Ditto.
1904         (gate_eustores): Ditto.
1905
1906 2005-07-16  Richard Henderson  <rth@redhat.com>
1907
1908         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1909
1910 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1911            Kenneth Zadeck <zadeck@naturalbridge.com>
1912
1913         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1914         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1915         ipa-type-escape.h, tree-promote-statics.c
1916         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1917         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
1918         tree-promote-statics.c: new files.
1919         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1920         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1921         int nonlocal_set_p, mark_constant_function): Deleted.
1922         (rest_of_handle_cfg): Removed call to mark_constant_function.
1923         (nonoverlapping_component_refs_p): Added calls to support
1924         type based aliasing.
1925         * tree-ssa-alias.c (may_alias_p,
1926         compute_flow_insensitive_aliasing): Ditto.
1927         * calls.c (flags_from_decl_or_type): Removed reference to
1928         cgraph_rtl_info.
1929         * c-typeck.c (convert_arguments): Make builtins tolerant of having
1930         too many arguments.  This is necessary for Spec 2000.
1931         * cgraph.h (const_function, pure_function): Removed.
1932         * common.opt: Added "fipa-pure-const", "fipa-reference",
1933         "fipa-type-escape", and "ftree-promote-static".
1934         * opts.c: Ditto.
1935         * passes.c: Added ipa and tree-promote-statics passes.
1936         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1937         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1938         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1939         * tree-flow.h: Added exposed sra calls and addition of
1940         reference_vars_info field for FUNCTION_DECLS.
1941         * tree-pass.h: Added passes.
1942         * tree-sra.c: (sra_init_cache): New function.
1943         (sra_insert_before, sra_insert_after) Made public.
1944         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1945         and made public.
1946         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1947         aliasing. (may_alias_p): Added code to use type escape analysis to
1948         improve alias sets.
1949         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1950         code to prune clobbers of static variables based on information
1951         produced in ipa-reference pass.  Changed call clobbering so that
1952         statics are not marked as clobbered if the call does not clobber
1953         them.
1954
1955 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
1956
1957         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1958         too.
1959
1960 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
1961
1962         * doc/install.texi (*-*-solaris2*): Document recommended version
1963         of GNU binutils and mention GNU linker problem on Solaris 10.
1964
1965 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
1966
1967         PR c/22421
1968         * c-decl.c (c_build_bitfield_integer_type): New function.
1969         (finish_struct): Call it.
1970         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1971
1972 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1973
1974         * c-typeck.c (digest_init): Call 'convert_for_assignment'
1975         before returning.
1976
1977 2005-07-16  Jan Hubicka  <jh@suse.cz>
1978
1979         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1980         (scale_bbs_frequencies_int): Watch roundoff errors.
1981         * predict.c (return_prediction): Initialize return_stmt.
1982
1983 2005-07-16  Jan Hubicka  <jh@suse.cz>
1984
1985         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1986         after RTL profiling.
1987
1988 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
1989
1990         PR middle-end/22398
1991         * fold-const.c (build_range_check): Convert high/low to etype
1992         if we are only comparing against exp.
1993
1994 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
1995
1996         Fix PR tree-optimization/22376
1997         * tree-ssa-structalias.c (build_constraint_graph): We really meant
1998         special var here.
1999         (need_to_solve): New function.
2000         (compute_points_to_sets): Use it.
2001
2002 2005-07-15  Jan Hubicka  <jh@suse.cz>
2003
2004         * cfg.c (update_bb_profile_for_threading): More diagnostic.
2005         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
2006
2007 2005-07-15  Richard Guenther  <rguenther@suse.de>
2008
2009         * c-common.c (handle_flatten_attribute): New function.
2010         Add flatten function attribute.
2011         * doc/extend.texi: Document flatten function attribute.
2012         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
2013         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
2014         New functions.
2015         (cgraph_decide_inlining): Handle functions with flatten
2016         attribute.
2017
2018 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
2019
2020         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
2021         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
2022         UNSPEC_XCHG, UNSPEC_AND): New.
2023         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
2024         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
2025         * config/rs6000/sync.md (FETCHOP): New code macro.
2026         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
2027         New code attrs.
2028         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
2029         (sync_compare_and_swap<mode>): Same.
2030         (sync_lock_test_and_set<mode>): Same.
2031         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
2032         for QImode and HImode, and not PPC405.
2033         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
2034         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
2035         (sync_<fetchop>{si,di}_internal): New.
2036         (sync_nand{si,di}_internal): New.
2037         (sync_old_<fetchop>{si,di}_internal): New.
2038         (sync_old_nand{si,di}_internal): New
2039         (sync_new_<fetchop>{si,di}_internal): New.
2040         (sync_new_nand{si,di}_internal): New.
2041         (atomic_and{si,di}): New.
2042         (sync_new_nand{si,di}_internal): New.
2043         (atomic_and{si,di}): New.
2044         (sync_add<mode>_internal): Delete.
2045         (sync_addshort_internal): Use unspec instead of unspec_volatile.
2046         (sync_sub<mode>_internal): Delte.
2047         (sync_subshort_internal): New.
2048         (sync_andsi_internal): Use unspec instead of unspec_volatile.
2049         (sync_anddi_internal): Delete.
2050         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
2051         (sync_booldi_internal): Delete.
2052         (sync_boolc<mode>_internal): Delete.
2053         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
2054         (sync_boolc<mode>_internal2): Delete.
2055         (sync_boolcc<mode>_internal): Delete.
2056         (isync, lwsync): Use unspec instead of unspec_volatile.
2057         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
2058         Revert UNSPEC_VOLATILE.
2059         (rs6000_split_atomic_op): New.
2060         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
2061
2062 2005-07-14  Eric Christopher  <echristo@redhat.com>
2063
2064         * config/mips/mips.c (mips_canonicalize_comparison): Cast
2065         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
2066
2067 2005-07-14  Eric Christopher  <echristo@redhat.com>
2068
2069         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
2070
2071 2005-07-14  Steven Bosscher  <stevenb@suse.de>
2072
2073         PR tree-optimization/22230
2074         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
2075         the computation of the four cross productions for "range op range".
2076
2077 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
2078             Ulrich Weigand  <uweigand@de.ibm.com>
2079
2080         PR target/20126
2081         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
2082         in some insn.
2083
2084 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2085
2086         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
2087
2088 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
2089
2090         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
2091
2092 2005-07-14  Richard Guenther  <rguenther@suse.de>
2093
2094         PR middle-end/22347
2095         * config/i386/i386-protos.h (ix86_function_value): Change
2096         prototype to match new target hook.
2097         * config/i386/i386.c (ix86_value_regno): Change prototype
2098         to take extra type argument.
2099         (TARGET_FUNCTION_VALUE): Define.
2100         (ix86_function_ok_for_sibcall): Pass extra argument to
2101         ix86_value_regno, check return slot rtx for exact match.
2102         (ix86_function_value): Take extra parameter.  Dispatch to
2103         ix86_value_regno with fndecl/fntype as provided.
2104         (ix86_value_regno): Handle extra type argument.
2105         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
2106
2107         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
2108         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
2109         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
2110         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
2111         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
2112
2113 2005-07-14  Richard Guenther  <rguenther@suse.de>
2114
2115         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
2116         * calls.c (expand_call): Pass fntype to hard_function_value.
2117         (emit_library_call_value_1): Likewise.
2118         * explow.c: Include target.h.
2119         (hard_function_value): Take extra argument, the fntype.
2120         Use new target hook for function_value.
2121         * expr.h (hard_function_value): Change prototype.
2122         * function.c (aggregate_value_p): Pass 0 as fntype to
2123         hard_function_value.
2124         (assign_parms): Use new target hook for function_value.
2125         Pass 0 as fntype to hard_function_value.
2126         (expand_function_end): Likewise.
2127         * reg-stack.c: Include target.h.
2128         (stack_result): Use new target hook for function_value.
2129         * target-def.h: New target hook function_value.
2130         * target.h: Likewise.
2131         * targhooks.c (default_function_value): New function.
2132         * targhooks.h (default_function_value): Declare.
2133
2134 2005-07-13  Ian Lance Taylor  <ian@airs.com>
2135
2136         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2137
2138 2005-07-14  Jan Hubicka  <jh@suse.cz>
2139
2140         * tree-dfa.c (dump_variable): Use default_def function.
2141         * tree-ssa-alias.c (dump_points_to_info): Likewise.
2142         * tree-ssa.c (verify_use): Likewise.
2143         * tree-ssanames.c (release_ssa_name): Likewise.
2144         * tree-tailcall.c (eliminate_tail_call): Likewise.
2145         (tree_optimize_tail_calls_1): Likewise.
2146         * tree-vrp.c (get_value_range): Likewise.
2147
2148 2005-07-14  Ben Elliston  <bje@au.ibm.com>
2149
2150         * gcc.c (main): Compare language[0] with '*' when iterating over
2151         the infiles.
2152
2153 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
2154
2155         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
2156         "s390_emit_compare".  Add handling of CCZ1mode.
2157         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
2158         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
2159         checking.
2160         (s390_branch_condition_mask): Add CCZ1mode handling.
2161         * config/s390/s390.md: ("seq", "*seq"): New pattern.
2162         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
2163         Use CCZ1mode instead of CCZmode.
2164         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
2165
2166 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
2167
2168         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
2169         pattern.
2170         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
2171
2172 2005-07-13  Eric Christopher  <echristo@redhat.com>
2173
2174         * config/mips/mips.c (mips_canonicalize_comparison): New.
2175         (mips_emit_int_relational): Use.
2176
2177 2005-07-13  Eric Christopher  <echristo@redhat.com>
2178
2179         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2180         static extra parts.
2181         * config/s390/s390.md: Include tpf.md. Move tpf specific
2182         patterns...
2183         * config/s390/tpf.md: To here.
2184         * config/s390/s390.opt: Move tpf specific options...
2185         * config/s390/tpf.opt: to here. Add mmain option.
2186         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2187         * config/s390/tpf.h: Rewrite.
2188
2189 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2190
2191         * doc/tm.texi: Remove @xref{Cross-profiling}.
2192
2193 2005-07-13  Jeff Law  <law@redhat.com>
2194
2195         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
2196         expressions, test their _DECL operands for pointer equality rather
2197         than using operand_equal_p.
2198
2199 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2200
2201         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
2202         (TARGET_POSIX_IO): This.
2203         * config/darwin.h: Likewise.
2204         * config/freebsd.h: Likewise.
2205         * config/linux.h: Likewise.
2206         * config/lynx.h: Likewise.
2207         * config/netbsd.h: Likewise.
2208         * config/rs6000/linux64.h: Likewise.
2209         * config/rs6000/linux.h: Likewise.
2210         * config/s390/tpf.h: Likewise.
2211         * config/sh/embed-elf.h: Likewise.
2212         * config/sparc/linux64.h: Likewise.
2213         * config/sparc/linux.h: Likewise.
2214         * config/svr4.h: Likewise.
2215         * gcov-io.h: Likewise.
2216
2217         * doc/tm.texi: Updated.
2218
2219         * libgcov.c (create_file_directory): Defined only if
2220         TARGET_POSIX_IO is defined.
2221         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
2222         is defined.
2223
2224 2005-07-13  Jan Hubicka  <jh@suse.cz>
2225
2226         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
2227
2228 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
2229
2230         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
2231         structure as argument.
2232
2233 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
2234
2235         PR tree-optimization/21921
2236         * tree-iterator.c (tsi_link_before): Support the case when
2237         tsi_end_p (tsi) == true.
2238
2239 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2240
2241         PR tree-optimization/22442
2242         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
2243         correctly.
2244
2245 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2246
2247         PR rtl-optimization/20376
2248         * toplev.c (process_options): Enable -fweb and -frename-registers when
2249         unrolling.
2250         * doc/invoke.texi: Update the information about when -fweb and
2251         -frename-registers are enabled.
2252
2253 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2254
2255         PR tree-opt/21840
2256         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
2257         if *rhs_p is not a SSA_NAME.
2258
2259 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
2260
2261         Fix PR tree-optimization/22422
2262         * tree-ssa-structalias.c (struct variable_info): Add flag for
2263         special vars.
2264         (get_varinfo): Now a static function.
2265         (new_varinfo): init has_union and is_special_var to false.
2266         (solution_set_add): Check has_union.
2267         (do_da_constraint): Move temporary variable so it gets reset
2268         properly.
2269         Also check for special variable.
2270         (do_ds_constraint): Ditto.
2271         (do_sd_constraint): Ditto.
2272         (do_structure_copy): Check for special variable.
2273         (find_func_aliases): Ditto.
2274         (init_base_vars): Set special vars properly.
2275
2276 2005-07-13  Jan Hubicka  <jh@suse.cz>
2277
2278         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
2279         do unit-at-a-time.
2280
2281         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
2282         (get_expr_operands): Fix thinko wrt flags and subvars.
2283
2284         PR tree-optimize/22379
2285         * tree-inline.c (expand_call_inline): Do not output sorry in early
2286         inlining.
2287
2288 2005-07-12  Dale Johannesen  <dalej@apple.com>
2289
2290         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
2291
2292 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2293
2294         PR bootstrap/21704
2295         * host-linux.h: Include limits.h.
2296
2297 2005-07-12  Dale Johannesen  <dalej@apple.com>
2298
2299         * expr.c (compress_float_constant):  Add cost check.
2300         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
2301
2302 2005-07-12  Dale Johannesen  <dalej@apple.com>
2303
2304         * gcc.target/i386/compress-float-sse.c:  New.
2305         * gcc.target/i386/compress-float-sse-pic.c:  New.
2306         * gcc.target/i386/compress-float-387.c:  New.
2307         * gcc.target/i386/compress-float-387-pic.c:  New.
2308         * gcc.dg/compress-float-ppc.c:  New.
2309         * gcc.dg/compress-float-ppc-pic.c:  New.
2310
2311 2005-07-12  Eric Christopher  <echristo@redhat.com>
2312
2313         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2314         static extra parts.
2315         * config/s390/s390.md: Include tpf.md. Move tpf specific
2316         patterns...
2317         * config/s390/tpf.md: To here.
2318         * config/s390/s390.opt: Move tpf specific options...
2319         * config/s390/tpf.opt: to here. Add mmain option.
2320         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2321         * config/s390/tpf.h: Rewrite.
2322
2323 2005-07-12  Eric Christopher  <echristo@redhat.com>
2324
2325         * gcc.c (struct infile): Update comment for language.
2326         (main): Rewrite input file resetting code.
2327
2328 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2329
2330         PR tree-opt/22335
2331         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
2332         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
2333         (lookup_avail_expr): Use constant_boolean_node instead
2334         of boolean_false_node/boolean_true_node.
2335
2336 2005-07-12  Ben Elliston  <bje@au.ibm.com>
2337
2338         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
2339         and use it when printing num_edges.
2340
2341 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2342
2343         * doc/extend.texi (Blackfin Built-in Functions): New section.
2344         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
2345         @opindex.
2346
2347 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
2348
2349         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
2350         s/cmpstrsi/cmpstrnsi
2351         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
2352         'cmpstrnsi'.
2353         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
2354         (init_optabs): Initialize cmpstrn_optab.
2355         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
2356         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
2357         * expr.c: (enum insn_code cmpstrn_optab): Declare.
2358         * config/i386/i386.md: s/cmpstr/cmpstrn
2359         * config/c4x/c4x.md: s/cmpstr/cmpstrn
2360         * doc/md.texi: Update documentation.
2361
2362 2005-07-11  Richard Henderson  <rth@redhat.com>
2363
2364         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
2365         build_va_arg_indirect_ref.
2366         (alpha_gimplify_va_arg): Likewise.
2367         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2368         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2369         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
2370         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2371         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2372         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
2373         Likewise.
2374         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2375
2376 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2377
2378         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
2379         * passes.c (init_optimization_passes): Add pass_empty_loop.
2380         * tree-pass.h (pass_empty_loop): Declare.
2381         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
2382         try_remove_empty_loop, remove_empty_loops): New functions.
2383         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
2384         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
2385
2386 2005-07-12  Peter Barada  <peter@the-baradas.com>
2387
2388         PR middle-end/16719
2389         PR middle-end/18421
2390         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
2391         in address registers.
2392         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
2393         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
2394         alternative of addsi3_5200.
2395
2396 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2397
2398         * config/mips/mips.md (ffs<mode>2): Remove.
2399
2400 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2401
2402         * doc/tree-ssa.texi (Cleanups): Improve description of
2403         TRY_FINALLY_EXPR.
2404         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
2405
2406 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2407
2408         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
2409         * tree.h (DECL_ARGUMENT_FLD): New macro.
2410
2411 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2412
2413         Fix PR tree-optimization/22404
2414
2415         * tree-ssa-structalias.c (create_variable_info_for): Use
2416         correct offset.
2417
2418 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2419
2420         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
2421         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
2422         for second comparison operand.
2423         * config/bfin/predicates.md (reg_or_const_int_operand): New.
2424
2425         * config/bfin/bfin.md (define_attr "type"): Add "sync".
2426         (define_insn_reservation "alu"): Likewise.
2427         (csync, ssync): Now of type sync.
2428         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
2429         -mcsync-anomaly -mspecld-anomaly.
2430         * config/bfin/bfin.opt (mcsync): Remove.
2431         (mcsync-anomaly, mspecld-anomaly): Add.
2432         * config/bfin/bfin.c: Include "insn-codes.h".
2433         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
2434         (TARGET_DEFAULT_TARGET_FLAGS): New.
2435         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
2436
2437 2005-07-11  Steven Bosscher  <stevenb@suse.de>
2438
2439         * basic-block.h: Give the BB flags enum a name, bb_flags.
2440         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
2441         * cfgcleanup.c (enum bb_flags): Remove here.
2442         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
2443         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
2444         (update_forwarder_flag): Likewise.
2445         (thread_jump): Likewise.
2446         (try_forward_edges): Likewise.
2447         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
2448         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
2449         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
2450
2451 2005-07-11  Richard Guenther  <rguenther@suse.de>
2452
2453         * config/i386/i386.opt: New target option -msseregparm.
2454         * config/i386/i386.c (override_options): Error out for
2455         -msseregparm but no SSE support.
2456         (ix86_function_sseregparm): Check for global sseregparm.
2457         * doc/invoke.texi: Document -msseregparm.
2458
2459 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2460
2461         * config.gcc (m32r-*-linux*): Use the default extra_parts.
2462         (m32rle-*-linux*): Ditto.
2463
2464 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
2465
2466         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
2467         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
2468         bytes.
2469
2470 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2471
2472         PR middle-end/22239
2473         PR target/20126
2474         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
2475         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
2476
2477 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
2478
2479         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
2480         (varmap): Heapify varmap.
2481         (constraints): Heapify constraints.
2482         (struct constraint_graph): Heapify succs and preds.
2483         (constraint_vec_find): Update for heapification.
2484         (constraint_set_union): Ditto.
2485         (insert_into_complex): Ditto.
2486         (constraint_edge_vec_find): Ditto.
2487         (erase_graph_self_edge): Ditto.
2488         (add_graph_edge): Ditto.
2489         (get_graph_weights): Ditto.
2490         (merge_graph_nodes): Ditto.
2491         (build_constraint_graph): Ditto.
2492         (topo_visit): Ditto.
2493         (solve_graph): Ditto.
2494         (create_variable_info_for): Ditto.
2495         (init_base_vars): Ditto.
2496         (delete_points_to_sets): Free graph, varmap, and complex constraints.
2497         (condese_varmap_nodes): Free complex vector.
2498         (clear_edges_for_node): Clear succs and preds vector.
2499
2500 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2501
2502         * tree-ssa-structalias.c (update_alias_info): Change counting of
2503         references to not include vdefs.
2504
2505 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2506
2507         * tree-ssa-alias.c (free_used_part_map): Add missing free.
2508         (up_insert): Ditto.
2509
2510 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2511
2512         * pa.c (pa_commutative_p): Make PLUS commutative when
2513         TARGET_NO_SPACE_REGS is true.
2514
2515 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2516
2517         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2518         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2519         * tree-dfa.c (dump_subvars_for): New.
2520         (debug_subvars_for): New.
2521         (dump_variable): Show subvariables if VAR has them.
2522         * tree-flow-inline.h (get_subvar_at): New.
2523         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2524         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2525         Update all users.
2526         (struct subvar): Change fields offset and size to unsigned
2527         HOST_WIDE_INT.
2528         (dump_subvars_for): Declare.
2529         (debug_subvars_for): Declare.
2530         (get_subvar_at): Declare.
2531         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2532         to unsigned HOST_WIDE_INT *.
2533         (overlap_subvar): Likewise.
2534         * tree-gimple.c (is_gimple_reg): Always return false for
2535         SFTs and memory tags.
2536         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2537         Update all callers.
2538         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2539         (compute_may_aliases): Call compute_points_to_sets.
2540         (collect_points_to_info_for): Remove.
2541         (compute_points_to_and_addr_escape): Remove.
2542         (delete_alias_info): Call delete_points_to_sets.
2543         (compute_flow_sensitive_aliasing): If the call to
2544         find_what_p_points_to returns false, call set_pt_anything.
2545         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2546         (set_pt_anything): Clear pi->pt_vars.
2547         (set_pt_malloc): Remove.
2548         (merge_pointed_to_info): Remove.
2549         (add_pointed_to_expr): Remove.
2550         (add_pointed_to_var): Remove.
2551         (collect_points_to_info_r): Remove.
2552         (is_escape_site): Make extern.
2553         (create_sft): New.
2554         (create_overlap_variables_for): Call it.
2555         * tree-ssa-copy.c (merge_alias_info): Never merge
2556         flow-sensitive alias information.
2557         * tree-ssa-operands.c (get_expr_operands): Adjust variables
2558         offset and size to be unsigned HOST_WIDE_INT.
2559         (add_to_addressable_set): Rename from note_addressable.
2560         Set TREE_ADDRESSABLE as the variables are added to the set.
2561         Update all users.
2562         (add_stmt_operand): Do not try to micro-optimize unmodifiable
2563         operands into VUSEs when adding V_MAY_DEFs for members in an
2564         alias set.
2565         * tree-ssa-operands.h (add_to_addressable_set): Declare.
2566         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2567         (struct variable_info): Add bitfield is_heap_var.
2568         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2569         (new_var_info): Initialize is_heap_var.
2570         (get_constraint_for): Add HEAP variables to the symbol table.
2571         Mark them with is_heap_var.
2572         (update_alias_info): New.  Taken mostly from the old
2573         compute_points_to_and_addr_escape.
2574         (handle_ptr_arith): New.
2575         (find_func_aliases): Call update_alias_info.
2576         Call handle_ptr_info for tcc_binary expressions.
2577         Call mark_stmt_modified.
2578         (create_variable_info_for): If DECL has subvars, do not create
2579         variables for its subvars.  Always add all the fields.
2580         (set_uids_in_ptset): If the solution includes ANYOFFSET and
2581         SFTs, then add all the SFTs of the structure.
2582         If VI->DECL is an aggregate with subvariables, add the SFT at
2583         VI->OFFSET.
2584         (find_what_p_points_to): If VI is an artificial variable,
2585         translate to bitfields in SSA_NAME_PTR_INFO.
2586         If the solution is empty, set pi->pt_vars to NULL
2587         (init_base_vars): Create ANYOFFSET.
2588         (compute_points_to_sets): Rename from create_alias_vars.
2589         Make extern.
2590         (pass_build_pta): Remove.
2591         (delete_points_to_sets): Rename from delete_alias_vars.
2592         (pass_del_pta): Remove.
2593         * tree-ssa-structalias.h (struct alias_info): Move from
2594         tree-ssa-alias.h.
2595         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2596         NUM_REFERENCES_SET): Likewise.
2597         (compute_points_to_sets, delete_points_to_sets): Declare.
2598
2599 2005-07-09  Richard Henderson  <rth@redhat.com>
2600
2601         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2602         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2603         alpha_split_lock_test_and_set_12): New functions.
2604         * config/alpha/alpha-protos.h: Update.
2605         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2606         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2607         * config/alpha/sync.md (I12MODE): New.
2608         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2609         (sync_<fetchop_name><I48MODE>): Likewise.
2610         (sync_nand<I48MODE>): Likewise.
2611         (sync_old_<fetchop_name><I48MODE>): Likewise.
2612         (sync_new_<fetchop_name><I48MODE>): Likewise.
2613         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2614         (sync_compare_and_swap<I48MODE>): Likewise.
2615         (sync_lock_test_and_set<I48MODE>): Likewise.
2616         (sync_compare_and_swap<I12MODE>): New.
2617         (sync_compare_and_swap<I12MODE>_1): New.
2618         (sync_lock_test_and_set<I12MODE>): New.
2619         (sync_lock_test_and_set<I12MODE>_1): New.
2620
2621 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2622
2623         PR 21356
2624         PR 22332
2625         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2626
2627 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
2628
2629         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2630         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2631
2632 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
2633
2634         PR target/21656
2635         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2636
2637 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
2638
2639         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2640         memory_operand constraint.
2641         (store_conditional_<mode>): Same.
2642         (sync_compare_and_swap<mode>): Same.
2643         (sync_lock_test_and_set<mode>): Same.
2644
2645 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
2646
2647         Rewrite PIC support to more closely model actual instructions.
2648         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2649         (cris_symbol): Remove prototypes for removed functions.
2650         (cris_pic_symbol_type_of, cris_valid_pic_const)
2651         (cris_expand_pic_call_address): Prototypes for new functions.
2652         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2653         variable.
2654         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2655         modifiers.
2656         <case ':'>: Add case for new punctuation character.
2657         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2658         emitting (extra) PIC modifier.
2659         <case UNSPEC>: Do not assert for PLT.
2660         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2661         (cris_expand_prologue, cris_expand_epilogue): Check
2662         for pic_offset_table_rtx usage instead of taking
2663         current_function_uses_pic_offset_table as the final word.
2664         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2665         Remove flag_pic difference.
2666         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2667         the moral equivalents of...
2668         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2669         functions.
2670         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2671         (cris_handle_option): Mark ARG as unused.
2672         (cris_expand_pic_call_address): New worker function for "call",
2673         "call_value".
2674         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2675         output PIC constructs here.
2676         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2677         as symbol-specific modifers, not whole or part of operands.
2678         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2679         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2680         constants and flag_pic.
2681         (CONSTANT_INDEX_P): Adjust for new functions.
2682         (enum cris_pic_symbol_type): New helper type.
2683         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2684         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2685         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2686         define_constants.
2687         ("movsi"): Emit actual instructions for GOT and relative access.
2688         ("*movsi_got_load"): New pattern to set up the register holding
2689         the GOT pointer.
2690         ("*movsi_internal"): Operand 1 is not a plain general_operand.
2691         Adjust FIXME for 'S'.
2692         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2693         Use "movs" for -fpic cases.
2694         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2695         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2696         ("call", "call_value"): Just call cris_expand_pic_call_address for
2697         PIC addresses.
2698         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2699         Remove special pattern.
2700         ("*expanded_call_side", "*expanded_call_value_side"): New
2701         patterns.
2702         (gotplt-to-plt, gotplt-to-plt-side-call)
2703         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2704         peephole2:s.
2705         * config/cris/cris/predicates.md
2706         ("cris_general_operand_or_gotless_symbol"): Remove unused
2707         predicate.
2708         ("cris_general_operand_or_symbol"): Adjust for new functions.
2709
2710 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2711
2712         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2713
2714 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
2715
2716         * Makefile.in (TREE_H): Add treestruct.def.
2717         (c-decl.o): Add pointer-set.h
2718         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2719         visibility on regular DECL's.
2720         (merge_decls): Fix the copying of decl nodes of various types for
2721         the new structures.  Don't update RTL, section name, weak status,
2722         etc, on DECL's without RTL.
2723         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2724         Don't check volatile on non-variable types.
2725         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2726         to check whether we have seen arguments.
2727         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2728         flag is checked before field (flag is common, field is not).
2729         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
2730         TS_DECL_COMMON could have an origin.
2731         (add_location_or_const_value_attribute): Don't check section name
2732         on non-var/function decls.
2733         (dwarf2out_var_location): Reverse order of tests.
2734         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2735         with DECL_WRTL_CHECK.
2736         * expmed.c (make_tree): rtl is now in decl_with_rtl.
2737         * fold-const.c (fold_binary): Don't check weakness on
2738         non-var/function decls.
2739         (tree_expr_nonzero_p): Ditto.
2740         (fold_checksum_tree): Use tree_decl_extra as sizeof
2741         buffer.
2742         * ggc-page.c (extra_order_size_table): Add sizes for
2743         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
2744         tree_field_decl.
2745         * gimplify.c (gimplify_bind_expr): Only set
2746         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2747         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2748         without RTL.
2749         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2750         * langhooks.h (init_ts). New langhook.
2751         * passes.c (rest_of_decl_compilation): Reverse order of tests.
2752         * print-tree.c (print_node): Update to only print fields that
2753         exist in the structures the passed decl has.
2754         * toplev.c (wrapup_global_declarations): Don't reset
2755         DECL_DEFER_OUTPUT on DECL's that don't contain it.
2756         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2757         * tree-inline.c (remap_decl): Ditto.
2758         * tree-outof-ssa.c (create_temp): Reverse order of tests.
2759         * tree-pretty-print.c (print_declaration): Don't print
2760         DECL_REGISTER on things that don't contain it.
2761         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2762         non-var/function decls.
2763         * tree.c (tree_contains_struct): New structure.
2764         (init_priority_for_decl): New hashtable.
2765         (tree_int_map): New structure.
2766         (tree_int_map_eq): New function.
2767         (tree_int_map_marked_p): Ditto.
2768         (tree_int_map_hash): Ditto.
2769         (tree_map): Move to tree.h.
2770         (tree_map_eq): Externalize.
2771         (tree_map_hash): Ditto.
2772         (tree_map_marked_p): Ditto.
2773         (init_ttree): Set up tree_contains_struct and call langhook.
2774         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2775         (tree_code_size): Update for new structures.
2776         (tree_node_structure): Update for new structures.
2777         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2778         without the field.
2779         (copy_node_stat):  Copy init priority.
2780         (build_decl_stat): Ditto for visibility.
2781         (ts_enum_names): New.
2782         (tree_contains_struct_check_failed): New function.
2783         (decl_init_priority_lookup): Ditto.
2784         (decl_init_priority_insert): Ditto.
2785         * treestruct.def: New file.
2786         * tree.h (CODE_CONTAINS_STRUCT): New macro.
2787         (CONTAINS_STRUCT_CHECK): Ditto.
2788         (tree_contains_struct_check_failed): New prototype.
2789         (DECL_CHECK): Removed.
2790         (DECL_MINIMAL_CHECK): New.
2791         (DECL_COMMON_CHECK): Ditto.
2792         (DECL_WRTL_CHECK): Ditto.
2793         (DECL_NON_COMMON_CHECK): Ditto.
2794         (DECL_WITH_VIS_CHECK): Ditto.
2795         (VAR_OR_FUNCTION_DECL_P): Ditto
2796         (struct tree_decl_minimal): New structure.
2797         (struct tree_decl_common): Ditto.
2798         (struct tree_decl_with_rtl): Ditto.
2799         (struct tree_decl_with_vis): Ditto.
2800         (struct tree_decl_non_common): Ditto.
2801         (struct tree_field_decl): Ditto.
2802         (struct tree_parm_decl): Ditto.
2803         (struct tree_var_decl): Ditto.
2804         (struct tree_function_decl): Ditto.
2805         (struct tree_const_decl): Ditto.
2806         (struct tree_result_decl): Ditto.
2807         (union tree_node): Add new structures.
2808         * var-tracking.c (track_expr_p): Reverse order of tests.
2809
2810         * doc/c-tree.texi: Add documentation on DECL node internal structure.
2811
2812 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2813
2814         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2815         * system.h: Poison FINALIZE_PIC.
2816         * doc/tm.texi (FINALIZE_PIC): Remove.
2817
2818 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2819
2820         PR tree-opt/22329
2821         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2822         to the correct type if we have a MODIFY_EXPR.
2823
2824 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2825
2826         PR tree-optimization/22360
2827         * tree.c (upper_bound_in_type): Fix calculations for casting
2828         to a non-wider signed type and casting a signed value to a
2829         wider unsigned type.
2830         (lower_bound_in_type): Fix calculations for casting to a
2831         non-wider signed type.
2832
2833         PR tree-optimization/20139
2834         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2835         release_defs.
2836         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2837         fold_cond_expr_cond.
2838         * tree-ssanames.c (release_defs): Assert in_ssa_p.
2839         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2840
2841 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2842
2843         PR tree-opt/22356
2844         * tree-complex.c (expand_complex_libcall): Produce
2845         REALPART_EXPR/IMAGPART_EXPR with the correct type.
2846
2847 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
2848
2849         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2850         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2851         b" assert and inserted fastpath code for this case.
2852         (bitmap_ior): Removed "a != b" assert.
2853
2854 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2855
2856         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2857         (ENDFILE_SPEC): Likewise.
2858         * config/m32r/m32r.h (ASM_SPEC): Likewise.
2859
2860         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2861         a large stack frame at epilogue.
2862
2863 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
2864
2865         * final.c: Include sdbout.h when required.
2866
2867 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
2868
2869         * config.gcc (*-*-darwin*): Only one target-specific header file
2870         for generic darwin.
2871         (powerpc-*-darwin*): Add version-specific header files.
2872         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2873         * config.in: Regenerate.
2874         * configure: Regenerate.
2875         * gcc.c: Include xregex.h.
2876         (version_compare_spec_function): New.
2877         (spec_function): Add version-compare.
2878         (replace_outfile_spec_function): Reformat comment.
2879         (compare_version_strings): New.
2880         * config/darwin-c.c (version_as_macro): New.
2881         (builtin_define): New.
2882         (darwin_cpp_builtins): New.
2883         * config/darwin-protos.h (darwin_cpp_builtins): New.
2884         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2885         (LIB_SPEC): Make unconditional, update comment.
2886         (TARGET_C99_FUNCTIONS): Define.
2887         * config/darwin.opt: Sort.
2888         (mmacosx-version-min=): New.
2889         * config/darwin7.h: Delete.
2890         * config/darwin8.h: Delete.
2891         * config/i386/darwin.h (): Call darwin_cpp_builtins.
2892         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2893         (TARGET_C99_FUNCTIONS): Define.
2894         * config/rs6000/darwin7.h: New.
2895         * config/rs6000/darwin8.h: New.
2896         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2897         (-mmacosx-version-min): Document.
2898
2899 2005-07-07  Ian Lance Taylor  <ian@airs.com>
2900
2901         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2902
2903 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
2904
2905         PR middle-end/22239
2906         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2907
2908 2005-07-07  Khem Raj  <kraj@mvista.com>
2909
2910         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2911         in bytes, not words.
2912
2913 2005-07-07  Paul Brook  <paul@codesourcery.com>
2914
2915         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2916         DEFAULT_FUNCTION_ARG_PADDING to upward.
2917
2918 2005-07-07  Richard Henderson  <rth@redhat.com>
2919
2920         * function.c (locate_and_pad_parm): Record parameter alignment in
2921         stack_alignment_needed.
2922
2923 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
2924
2925         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2926         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2927         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2928         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2929         (define_attr "type"): Add isync, sync, load_l, store_c.
2930         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2931         Create scratch volatile MEM.
2932         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
2933         sync.
2934         (load_locked_<mode>): New.
2935         (store_conditional_<mode>): New.
2936         (sync_compare_and_swap<mode>): Replace with splitter.
2937         (sync_lock_test_and_set<mode>): Replace with splitter.
2938         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2939         and UNSPECV_ISYNC.
2940         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
2941         is ics.  Attribute isync.
2942         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
2943         lwsync.
2944         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2945         and UNSPECV_SYNC_OP.
2946         (emit_unlikely_jump): New.
2947         (emit_load_locked): New.
2948         (emit_store_conditional): New.
2949         (rs6000_split_compare_and_swap): New.
2950         (rs6000_split_lock_test_and_set): New.
2951         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2952         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2953         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2954         rs6000_split_lock_test_and_set): Declare.
2955         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2956         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2957         store_c, isync, sync.
2958
2959 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
2960
2961         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2962         filenames to gtyp-gen.h.
2963         (s-typ-gen): Use it in place of for loops.
2964
2965 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
2966
2967         * hooks.c (hook_bool_rtx_int_false): New function.
2968         * hooks.h (hook_bool_rtx_int_false): Declare.
2969         * target-def.h (TARGET_COMMUTATIVE_P): Define.
2970         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2971         * target.h (struct gcc_target): Add commutative_p member.
2972         * targhooks.c (hook_bool_rtx_commutative_p): New function.
2973         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2974         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2975         (pa_commutative_p): New function.
2976         * jump.c (target.h): Include.
2977         (rtx_renumbered_equal_p): Use targetm.commutative_p.
2978         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2979
2980 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2981
2982         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2983         (s390_expand_setmem): New.
2984         * config/s390/s390.c: Likewise.
2985         (print_shift_count_operand): Truncate to 12 bits instead of 6.
2986         Adapt comments.
2987         * config/s390/s390.md: ("setmem<mode>"): Accept character as
2988         general_operand.  Call new function "s390_expand_setmem".
2989         ("clrmem_long", "*clrmem_long"): Rewrite to ...
2990         ("setmem_long", "*setmem_long"): ... this.
2991
2992 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2993
2994         * config/s390/s390.c: (optimization_options): Enable
2995         TARGET_MVCLE at -Os.
2996         * doc/invoke.texi: Document changes in default behaviour.
2997         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2998
2999 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
3000
3001         * expr.c: (set_storage_via_setmem): Convert opchar to mode
3002         defined by back-end.
3003
3004 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
3005
3006         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
3007         all sets in the pattern.
3008         * config/rs6000/rs6000.md (stack_protect_testsi,
3009         stack_protect_testdi): Likewise.
3010
3011 2005-07-06  Jeff Law  <law@redhat.com>
3012
3013         * tree-vrp.c (simplify_using_ranges): Kill.
3014         (vrp_finalize): Remove call to simplify_using_ranges.
3015         (simplify_stmt_using_ranges): New function extracted from
3016         simplify_using_ranges.
3017         (simplify_div_or_mod_using_ranges): Likewise.
3018         (simplify_abs_using_ranges): Likewise.
3019         (simplify_cond_using_ranges): New function.
3020         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
3021         * tree-ssa-propagate.c (substitute_and_fold): Call
3022         simplify_stmt_using_ranges if we have range information.
3023
3024 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
3025
3026         * config/ia64/ia64.c (ia64_reorg): Check optimize before
3027         ia64_flag_schedule_isns2.
3028
3029         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
3030         reading/writing general registers.
3031         (ia64_function_arg): Revert 2005-06-18 change.
3032
3033 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3034
3035         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
3036         (legitimize_tls_address): Use gcc_unreachable instead of abort.
3037
3038 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
3039
3040         * function.c (expand_function_end): Revert part of 2005-06-27
3041         patch.  Do sjlj_emit_function_exit_after after return_label.
3042
3043 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
3044
3045         * doc/install.texi (--disable-libssp): New.
3046
3047 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
3048
3049         * doc/invoke.texi: Update -fforce-mem documentation.
3050         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
3051         code for -fforce-mem.
3052         * expmed.c: (store_bit_field,store_fixed_bit_field,
3053         extract_bit_field): Ditto.
3054         * expr.c: (convert_move): Ditto.
3055         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
3056         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
3057         emit_conditional_add,expand_float,expand_fix): Ditto.
3058         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
3059         (common_handle_option): Issue warning when -fforce-mem specified.
3060
3061 2005-07-06  Paul Brook  <paul@codesourcery.com>
3062
3063         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
3064         argument is empty.
3065         * configure: Regenerate.
3066
3067 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
3068
3069         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
3070
3071 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
3072
3073         Fix PR tree-optimization/22319
3074         Fix PR tree-optimization/22140
3075         Fix PR tree-optimization/22310
3076
3077         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
3078         variable sized types.
3079         Use correct type for intermediate structure on *a = *b structure
3080         copies.
3081
3082 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
3083
3084         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
3085         Remove.
3086         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
3087         (machine_function): Move typedef to...
3088         * config/rs6000/rs6000.c (machine_function): ... here.  Add
3089         varargs_save_offset field.
3090         (rs6000_stack_t): Remove varargs_size field.
3091         (setup_incoming_varargs): Allocate varargs save area using
3092         assign_stack_local, try to make it as small as possible.
3093         Save offset from virtual_stack_vars_rtx to the save area
3094         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
3095         instead of magic 8 when fp word byte size is used.
3096         (rs6000_va_start): Use cfun->machine->varargs_save_offset
3097         instead of -RS6000_VARARGS_SIZE.
3098         (rs6000_stack_info, debug_stack_info,
3099         rs6000_initial_elimination_offset): Remove all traces of
3100         varargs_size.
3101         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
3102         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
3103         RS6000_VARARGS_AREA.
3104
3105 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
3106
3107         PR tree-optimization/21963
3108         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
3109         constant_multiple_of in the same way get_computation_cost_at does.
3110
3111 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
3112
3113         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
3114         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
3115         (gen_compare_reg): If sparc_compare_emitted is set, clear it
3116         and return its previous value.
3117         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
3118         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
3119         constants.
3120         (stack_protect_set, stack_protect_test): New expanders.
3121         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
3122         stack_protect_testdi): New insns.
3123         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3124         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
3125
3126 2005-07-06  Jeff Law  <law@redhat.com>
3127
3128         * tree-ssa-dce.c (cfg_altered): New global.
3129         (tree_dce_init): Initialize cfg_altered.
3130         (remove_dead_stmt): If we remove an edge in the CFG, then set
3131         CFG_ALTERED.
3132         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
3133         the dominators.
3134
3135 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
3136
3137         * Makefile.in (stamp-collect-ld): Use
3138         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
3139         ./collect-ld if it already exists.
3140         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
3141         Don't remove ./nm if it already exists.
3142
3143 2005-07-05  Devang Patel  <dpatel@apple.com>
3144
3145         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
3146         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
3147         * tree-vectorizer.c (vect_loop_location): New.
3148         (vect_print_dump_info): Use vect_loop_location.
3149         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
3150         (vectorize_loops): Set vect_loop_location.
3151         * tree-vect-analyze.c (vect_analyze_offset_expr,
3152         vect_determin_vectorization_factor, vect_analyze_operations,
3153         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
3154         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
3155         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
3156         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
3157         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
3158         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
3159         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
3160         vect_analyze_loop): Adjust vect_print_dump_info API.
3161         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3162         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
3163         vect_finish_stmt_generation, vectorizable_assignment,
3164         vectorizable_operation, vectorizable_store, vectorizable_load,
3165         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
3166         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3167         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
3168         vect_transform_loop): Same.
3169         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
3170         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
3171         Same.
3172
3173 2005-07-05  Randolph Chung  <tausq@debian.org>
3174
3175         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
3176         * configure: Regenerate.
3177         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
3178         (pa_tls_referenced_p): Declare.
3179         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
3180         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
3181         (legitimize_tls_address): New.
3182         (hppa_legitimize_address): Handle TLS addresses.
3183         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
3184         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3185         (emit_move_sequence): Handle TLS addresses.
3186         (pa_encode_section_info): Call default handler to handle common
3187         sections.
3188         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
3189         (CONSTANT_ADDRESS_P): Reject TLS operands.
3190         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
3191         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
3192         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
3193         (UNSPEC_TLSLE): Define new constants.
3194         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
3195         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
3196         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
3197         (tie_symbolic_operand, tle_symbolic_operand): New
3198
3199 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
3200
3201         * aclocal.m4: Update macros for autoconf 2.59 style.
3202         * configure.ac: Likewise.
3203
3204 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3205
3206         * pa.c (function_value): Handle small aggregates on 32-bit targets.
3207         (function_arg): Pass small aggregates in general registers on 32-bit
3208         targets.
3209         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
3210
3211 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
3212
3213         * Makefile.in (final.o): Fix dependencies.
3214
3215 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3216
3217         PR c/22013
3218         PR c/22098
3219         * langhooks.h (struct lang_hooks): Add expr_to_decl.
3220         * langhooks.c (lhd_expr_to_decl): New.
3221         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
3222         New.
3223         (LANG_HOOKS_INITIALIZER): Update.
3224         * tree.c (recompute_tree_invarant_for_addr_expr): Call
3225         expr_to_decl langhook.
3226         * c-tree.h (c_expr_to_decl): Declare.
3227         * c-typeck.c (c_expr_to_decl): New.
3228         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
3229         specially.
3230         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
3231
3232 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3233
3234         PR c/22308
3235         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
3236         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
3237
3238 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
3239
3240         * Makefile.in: Adjust dependencies.
3241         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
3242         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
3243         * alias.c (rest_of_handle_cfg, pass_cfg): New.
3244         * bb-reorder.c (duplicate_computed_gotos): Make it static.
3245         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
3246         rest_of_compilation.
3247
3248         * bb-reorder.c (gate_duplicate_computed_gotos,
3249         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
3250         rest_of_handle_reorder_blocks, pass_reorder_blocks,
3251         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
3252         pass_partition_blocks): New.
3253         * bt-load.c (gate_handle_branch_target_load_optimize,
3254         rest_of_handle_branch_target_load_optimize,
3255         pass_branch_target_load_optimize): New.
3256         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
3257         pass_jump2): New.
3258         * cfglayout.c (pass_insn_locators_initialize): New.
3259         * cfgrtl.c (pass_free_cfg): New.
3260         * combine.c (gate_handle_combine, rest_of_handle_combine,
3261         pass_combine): New.
3262         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
3263         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
3264         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
3265         * except.c (pass_set_nothrow_function_flags,
3266         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
3267         pass_rtl_eh): New.
3268         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
3269         rest_of_handle_shorten_branches, pass_shorten_branches,
3270         rest_of_clean_state, pass_clean_state): New.
3271         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
3272         rest_of_handle_remove_death_notes, pass_remove_death_notes,
3273         rest_of_handle_life, pass_life, rest_of_handle_flow2,
3274         pass_flow2): New.
3275         * function.c (pass_instantiate_virtual_regs, pass_init_function,
3276         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
3277         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3278         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
3279         pass_gcse): New.
3280         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
3281         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
3282         pass_rtl_ifcvt, gate_handle_if_after_combine,
3283         rest_of_handle_if_after_combine, pass_if_after_combine,
3284         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
3285         pass_if_after_reload): New.
3286         * integrate.c (pass_initial_value_sets): New.
3287         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
3288         pass_purge_lineno_notes): New.
3289         * mode-switching.c (rest_of_handle_mode_switching,
3290         pass_mode_switching): New.
3291         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
3292         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
3293         pass_loop2): New.
3294         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
3295         pass_loop_optimize): New.
3296         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
3297         pass_sms): New.
3298         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
3299         pass_gcse2): New.
3300         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
3301         pass_postreload_cse): New.
3302         * profile.c (gate_handle_profiling, pass_profiling,
3303         rest_of_handle_branch_prob, pass_branch_prob): New.
3304         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
3305         pass_split_before_regstack, gate_handle_split_before_regstack,
3306         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
3307         rest_of_handle_split_all_insns, pass_split_all_insns): New.
3308         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
3309         pass_stack_regs): New.
3310         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
3311         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
3312         pass_stack_adjustments): New.
3313         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
3314         pass_regrename): New.
3315         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
3316         pass_delay_slots, gate_handle_machine_reorg,
3317         rest_of_handle_machine_reorg, pass_machine_reorg): New.
3318         * rtl.h (extern void purge_line_number_notes): New.
3319         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
3320         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
3321         pass_sched2): New.
3322         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
3323         pass_tracer): New.
3324         * value-prof.c (gate_handle_value_profile_transformations,
3325         rest_of_handle_value_profile_transformations,
3326         pass_value_profile_transformations): New.
3327         * var-tracking.c (gate_handle_var_tracking,
3328         pass_variable_tracking): New.
3329         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
3330
3331         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
3332         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
3333         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
3334         rest_of_handle_old_regalloc, rest_of_handle_regrename,
3335         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
3336         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
3337         rest_of_handle_gcse2, rest_of_handle_regmove,
3338         rest_of_handle_tracer, rest_of_handle_if_conversion,
3339         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
3340         rest_of_handle_web, rest_of_handle_branch_prob,
3341         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
3342         rest_of_handle_jump_bypass, rest_of_handle_combine,
3343         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3344         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3345         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
3346         rest_of_handle_mode_switching, rest_of_handle_jump,
3347         rest_of_handle_eh, rest_of_handle_stack_adjustments,
3348         rest_of_handle_flow2, rest_of_handle_jump2,
3349         rest_of_handle_peephole2, rest_of_handle_postreload,
3350         rest_of_handle_shorten_branches, rest_of_clean_state,
3351         rest_of_compilation): Remove.
3352
3353         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
3354         * passes.c (dump_flags, in_gimple_form, all_passes,
3355         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3356         register_dump_files, next_pass_1, last_verified, execute_todo,
3357         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
3358         from tree-optimize.c.
3359         (init_optimization_passes): Moved from tree-optimize.c,
3360         adding the RTL optimizations.
3361         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
3362         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
3363         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3364         register_dump_files, next_pass_1, last_verified, execute_todo,
3365         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
3366         init_tree_optimization_passes, ipa_passes): Delete.
3367         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
3368         the RTL dumps.
3369         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
3370         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
3371         from tree.h.
3372         (ipa_passes): Remove.
3373         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
3374         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
3375         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
3376         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
3377         (dump_info_p, dump_flag): Moved to tree-dump.h.
3378
3379         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
3380         cgraph.c, opts.c.
3381         * passes.c (finish_optimization_passes): Use dump_begin
3382         and dump_end, TDI_end.
3383         (gate_rest_of_compilation): New.
3384         (pass_rest_of_compilation): Use it.
3385         (gate_postreload, pass_postreload): New.
3386         * toplev.c (general_init): Rename init_tree_optimization_passes.
3387         * toplev.h (init_tree_optimization_passes): Rename to
3388         init_optimizations_passes.
3389         * tree-dump.c (dump_flag): Make static.
3390         (dump_files): Remove RTL dumps.
3391         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
3392         pass_cleanup_cfg, pass_free_cfg_annotations,
3393         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3394         pass_init_datastructures, pass_fixup_cfg): Make non-static.
3395         * tree-pretty-print.c: Include tree-pass.h.
3396         * cgraph.c: Include tree-dump.h.
3397
3398 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3399
3400         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
3401         Only fall back to saying it points to readonly memory if
3402         we can't do better.
3403
3404 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3405
3406         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
3407         * config/m32r/m32r.c (m32r_compute_frame_size,
3408         m32r_expand_prologue): Take current_function_profile into
3409         account whenever we reference
3410         current_function_uses_pic_offset_table.
3411         (m32r_finalize_pic): Remove.
3412         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
3413
3414 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
3415
3416         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
3417         instead of $<.  Don't remove ./as if it already exists.
3418
3419 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3420
3421         PR target/21723
3422         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
3423         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
3424         for complex modes when generating code for PA 1.0.
3425         (VALID_FP_MODE_P): New macro.
3426         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3427         sets for all general and floating point modes.  Align wide floating
3428         point modes to even register boundaries to comply with architectural
3429         requirements.
3430         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
3431         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
3432         (VALID_FP_MODE_P): New macro.
3433         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3434         sets for all general and floating point modes.  Align wide floating
3435         point modes to even register boundaries to comply with architectural
3436         requirements.
3437
3438 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3439
3440         * tree-dump.c (dump_files): Initialize dump number for .cgraph
3441         to 0.
3442
3443 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3444
3445         * tree-ssa-structalias.c: Don't include expr.h.
3446
3447 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3448
3449         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
3450         comments.
3451
3452 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3453
3454         Fix PR tree-optimization/22279
3455
3456         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
3457         correct operator.
3458
3459 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
3460
3461         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
3462
3463 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3464
3465         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
3466         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
3467         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
3468         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
3469         config/stormy16/stormy16.c, config/v850/v850.c,
3470         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
3471         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
3472         Avoid "." or "\n" at end of diagnostics and capital letters at
3473         start of diagnostics.
3474         * combine.c, cse.c: Don't translate dump file output.
3475         * toplev.c (print_version): Only translate output if going to
3476         stderr.
3477
3478 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3479
3480         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
3481         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
3482         typos.
3483
3484 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3485
3486         * pa.c (fix_range): Fix typo in comment.
3487
3488 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3489
3490         * tree-vrp.c (extract_range_from_assert): Replace
3491         fold (build (...)) with fold_build2.
3492
3493 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3494
3495         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
3496         gcc_gfc_char_table, init_dynamic_gfc_info): New.
3497         (format_types_orig, handle_format_attribute): Add support for
3498         format "gcc_gfc".
3499
3500 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3501
3502         * varasm.c (assemble_variable): Fix format specifier thinko.
3503
3504 2005-07-03  Ira Rosen  <irar@il.ibm.com>
3505
3506         PR tree-optimization/22029 (and 22135)
3507         * tree-pretty-print.c (dump_generic_node): Check that the node is not
3508         a phi node before calling dump_vops.
3509
3510 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3511
3512         * tree-dump.h (dump_string_field): Declare.
3513         * tree-dump.c: Use it instead of dump_string.
3514         (dump_string_field): Make non-static.
3515
3516 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3517
3518         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
3519         up the minimal CFG stuff always when optimize > 0.  Call
3520         split_all_insns_noflow in PIC case if needed.
3521
3522 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3523             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
3524
3525         PR c++/18279
3526         * c-decl.c (c_write_global_declarations): Dump contents of
3527         external scope to.
3528         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
3529         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
3530         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
3531         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
3532         is enabled.
3533
3534 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3535
3536         * c-common.h (GCC_DIAG_STYLE): Define.
3537         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
3538         version for format checking to 4.1.
3539         * c-format.c: Include toplev.h after c-common.h.
3540         (enum format_type): Add gcc_tdiag_format_type.
3541         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
3542         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
3543         (format_types_orig): Add gcc_tdiag.
3544         (init_dynamic_diag_info): Support gcc_tdiag formats.
3545         (handle_format_attribute): Likewise.
3546         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
3547         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
3548         version for format checking to 4.1.
3549         (warning0, warning, error, pedwarn, sorry): Use
3550         ATTRIBUTE_GCC_DIAG.
3551         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
3552         (finish_aliases_1): Do not use %qE.
3553         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
3554         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
3555         Correct format bugs.
3556         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
3557         parameter to unsigned HOST_WIDE_INT.
3558         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
3559
3560 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
3561
3562         PR middle-end/21742
3563         * expr.c (write_complex_part): Use adjust_address for MEM.
3564         (read_complex_part): Same.
3565
3566 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
3567
3568         Fix PR tree-optimization/22280
3569
3570         * tree-sra.c (generate_element_init): Remove useless loop.
3571
3572 2005-07-02  Richard Henderson  <rth@redhat.com>
3573
3574         * config/alpha/alpha.c (alpha_legitimize_address): Check for
3575         TLS_MODEL_NONE.
3576         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
3577
3578 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
3579
3580         PR middle-end/14490
3581         * fold-const.c (fold_binary): Handle the return value of
3582         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
3583         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
3584
3585 2005-07-02  Jeff Law  <law@redhat.com>
3586
3587         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
3588         a eliminate type conversion which feeds an equality comparison
3589         if the original type or either operand in the comparison is a
3590         function pointer.
3591
3592 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
3593
3594         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
3595         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
3596         texts.
3597         * config/avr/avr.c: Do not use '`' as left quote.
3598         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
3599         Remove "." from end of diagnostics.  Make diagnostics start with
3600         lowercase letter.
3601
3602 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
3603             Joseph S. Myers  <joseph@codesourcery.com>
3604
3605         * toplev.c (default_tree_printer): Handle setting location with
3606         '+' flag.
3607         * c-objc.common.c (c_tree_printer): Likewise.
3608         * c-format.c (gcc_diag_flag_specs): Add '+'.
3609         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
3610         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
3611         formats.
3612         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
3613         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
3614         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
3615         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
3616         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
3617         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
3618         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
3619         format arguments where %J is used without %D.
3620
3621 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
3622
3623         * gcc.c (LINK_SSP_SPEC): Define.
3624         (link_ssp_spec): New variable.
3625         (LINK_COMMAND_SPEC): Add %(link_ssp).
3626         (static_specs): Add link_ssp_spec.
3627         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
3628         * configure: Rebuilt.
3629         * config.in: Rebuilt.
3630
3631         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3632         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3633         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3634         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3635         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
3636         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
3637         -0x7008(2) instead of reading __stack_chk_guard variable.
3638         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
3639         number.
3640         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
3641         (stack_protect_set, stack_protect_test): Use *_tls* patterns
3642         if TARGET_THREAD_SSP_OFFSET is defined.
3643         (stack_tls_protect_set_si, stack_tls_protect_set_di,
3644         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
3645
3646         Revert:
3647         2005-06-27  Richard Henderson  <rth@redhat.com>
3648         * libgcc-std.ver (GCC_4.1.0): New.
3649         * libgcc.h (__stack_chk_guard): Declare.
3650         (__stack_chk_fail, __stack_chk_fail_local): Declare.
3651         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
3652         * mklibgcc.in (lib2funcs): Add them.
3653
3654 2005-07-01  Richard Henderson  <rth@redhat.com>
3655
3656         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
3657         void * before struct sigcontext *.
3658         (x86_fallback_frame_state): Likewise.
3659
3660 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
3661
3662         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
3663
3664 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3665
3666         PR tree-opt/22269
3667         * tree-ssa-reassoc.c (should_transpose): Fix which operand
3668         we check for SSA_NAME for.
3669
3670 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
3671
3672         Fix PR tree-optimization/22071
3673
3674         * tree-ssa-structalias.c (offset_overlaps_with_access): New
3675         function.
3676         (get_constraint_for_component_ref): Use it.
3677
3678 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3679
3680         PR other/22264
3681         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
3682         print out the last new line.
3683
3684 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
3685
3686         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
3687         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
3688         * config/cris/cris.c (cris_conditional_register_usage): Adjust
3689         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
3690         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
3691         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
3692         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
3693         (enum reg_class): New member CC0_REGS.
3694         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
3695         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3696         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
3697         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
3698         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3699         Adjust for register now described.
3700
3701 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
3702
3703         PR target/22262
3704         * config/i386/i386.md (stack_protect_test_si,
3705         stack_protect_test_di): Add earlyclobber for scratch 3.
3706         * config/rs6000/rs6000.md (stack_protect_testsi,
3707         stack_protect_testdi): Add earlyclobber for scratch 3,
3708         remove earlyclobber from scratch 4.
3709
3710 Older entries for 2005 can be found in ChangeLog-2005.