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* tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-10-07  Jeff Law  <law@redhat.com>
2
3         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4         determine whether or not to try and thread outgoing edges.
5
6 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
7
8         * config/rs6000/rs6000.md (eqsi_power): New.
9         (neg_eq0si): Add TARGET_POWER to final condition.
10         (neg_eqsi): Same.
11
12 2005-10-06  Richard Henderson  <rth@redhat.com>
13
14         * config/rs6000/rs6000.c: Revert last change.
15
16 2005-10-06  Richard Henderson  <rth@redhat.com>
17
18         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
19         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
20
21 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
22
23         PR middle-end/22216
24         PR middle-end/23651
25         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
26         out return_label and naked_return_label.
27
28 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
29         
30         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
31         change.
32
33 2005-10-06  Richard Henderson  <rth@redhat.com>
34
35         PR tree-opt/22237
36         * tree-inline.c (declare_return_variable): Handle modify_dest not
37         being a DECL.
38
39 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
40         
41         Fix PR tree-optimization/22488
42         * tree-ssa-structalias.c (check_for_overlaps): New function.
43         (create_variable_info_for): Use it.
44
45 2005-10-06  Richard Henderson  <rth@redhat.com>
46
47         PR debug/24070
48         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
49         (dwarf2out_start_source_file): Print it.
50
51 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
52
53         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
54
55 2005-10-06  Richard Henderson  <rth@redhat.com>
56
57         PR 23706
58         * mode-switching.c (optimize_mode_switching): Clear transp bit
59         for block with incomming abnormal edges.
60
61         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
62         (fpscr_set_from_mem): Use them.
63         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
64         (fpscr postinc splitters): Rewrite as peephole2+split.
65
66 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
67
68         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
69         (eq<mode>_compare): Same.
70
71 2005-10-06  Richard Guenther  <rguenther@suse.de>
72
73         PR tree-optimization/24238
74         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
75
76 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
77
78         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
79         here.  Use AC_PATH_PROG for environment variables instead of
80         test -x.
81         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
82         objdump also.
83         * configure: Regenerated.
84
85 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
86
87         PR target/23783
88         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
89         then force it into a register.
90         (call_value): Likewise.
91
92 2005-10-06  Richard Henderson  <rth@redhat.com>
93
94         PR 24049
95         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
96         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
97         under pass_vectorize.
98
99 2005-10-05  Devang Patel  <dpatel@apple.com>
100
101         PR Debug/23205
102         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
103         handling constants. Check NAMESPACE_DECL context for constants.
104         
105 2005-10-05  Eric Christopher  <echristo@apple.com>
106
107         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
108
109 2005-10-05  Richard Henderson  <rth@redhat.com>
110
111         PR 23714
112         * tree-cfg.c (mark_array_ref_addressable_1): New.
113         (mark_array_ref_addressable): New.
114         * tree-flow.h (mark_array_ref_addressable): Declare.
115         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
116
117 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
118
119         PR middle-end/20606
120         PR middle-end/24069
121         * reload.c (subst_reloads): When adding a REG_LABEL to a
122         jump instruction, also update JUMP_LABEL.
123
124 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
125
126         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
127         * bb-reorder.c (copy_bb_p): Use it.
128         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
129
130 2005-10-05  Richard Henderson  <rth@redhat.com>
131
132         PR target/23602
133         * toplev.c (process_options): Warn about unsupported combinations
134         of unwind tables and omit-frame-pointer.
135         * config/i386/i386.c (override_options): Similarly.  Enable
136         accumulate-outgoing-args if not explicitly disabled.
137
138 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
139
140         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
141         Handle big endian vs. small endian.
142         (vec_initv2sf): Handle big endian vs. small endian.
143         (*vec_extractv2sf_1): Ditto.
144
145 2005-10-05  Dale Johannesen  <dalej@apple.com>
146
147         * convert.c (convert_to_real):  Don't convert
148         (float)floor(double d) to floorf((float)d).
149
150 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
151
152         * config/arm/arm.md (insv): Use gen_int_mode in more places.
153
154 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
155
156         PR tree-optimization/18587
157         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
158         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
159         build_vuses): Change to VEC type.
160         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
161         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
162         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
163         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
164         (get_name_decl): New.  Return DECL_UID of base variable.
165         (operand_build_cmp): New.  qsort comparison routine.
166         (operand_build_sort_virtual): New.  Sort virtual build vector.
167         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
168         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
169         (FINALIZE_BASE): Use get_name_decl.
170         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
171         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
172         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
173         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
174         direct VEC_* manipulations.
175         (build_ssa_operands): Call operand_build_sort_virtual.
176         (copy_virtual_operand, create_ssa_artficial_load_stmt,
177         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
178         with direct VEC_* manipulations.
179         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
180         with direct VEC manipulations.
181
182 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
183
184         PR tree-optimization/21419
185         PR tree-optimization/24146
186         PR tree-optimization/24151
187
188         * c-typeck.c (readonly_error): Handle USE being lv_asm.
189         (build_asm_expr): Call it if outputs are read-only.
190         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
191
192 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
193             Paolo Bonzini  <bonzini@gnu.org>
194
195         PR target/23809
196
197         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
198         enable the instructions and not just the built-ins.
199         * doc/invoke.texi (x86 Options): Likewise.
200
201 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
202
203         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
204
205         * doc/invoke.texi (Option Summary): Correct spelling
206         of -mmacosx-version-min.
207
208 2005-10-04  Devang Patel  <dpatel@apple.com>
209
210         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
211         real types.
212
213 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
214
215         * tree-vect-transform.c (vect_create_epilog_for_reduction):
216         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
217
218 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
219
220         * config/s390/s390.md ("TDSI","DP"): New mode macros.
221         ("TE","tg"): New mode attributes.
222         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
223         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
224         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
225         dword_mode and one for GPRmode.
226
227 2005-10-04  Ian Lance Taylor  <ian@airs.com>
228
229         PR preprocessor/13726
230         * c-ppoutput.c (cb_include): Add comments parameter, and print out
231         any comments passed in.
232
233 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
234
235         * tree.c (annotate_with_file_line): Fix typo.
236
237 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
238
239         PR ada/19382
240         * builtins.c (fold_builtin_memcmp): When constructing the pointer
241         type used to access data in the inlined length == 1 case, use
242         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
243         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
244
245 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
246
247         * config/i386/i386.h (TARGET_FISTTP): Enable also for
248         TARGET_SSE3 and only for TARGET_80387.
249         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
250         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
251         Do not depend on TARGET_80387.
252
253 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
254
255         * tree.c (last_annotated_node): Change type to location_t*.
256         (annotate_with_file_line): Reflect the change of
257         last_annotated_node type.
258
259 2005-10-04  Richard Guenther  <rguenther@suse.de>
260
261         PR c/23576
262         * c-decl.c (grokdeclarator): Don't write to fields
263         of error_mark_node.
264
265 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
266
267         PR middle-end/23125
268         * c-decl.c (finish_decl): Use set_user_assembler_name even for
269         register variables.
270         * varasm.c (make_decl_rtl): If a register variable does not
271         have a set user assmbler name, error out.
272         Decode the asmspec is now name+1 bypassing '*'.
273
274 2005-10-04  Steven Bosscher  <stevenb@suse.de>
275
276         PR tree-optimization/23049
277         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
278         of a COND_EXPR is folded before calling fold on the whole rhs of a
279         conditional assignment.
280         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
281         document that a COND_EXPR may appear there.
282
283 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
284
285         PR 23445
286         * tree-vrp.c (extract_range_from_assert): If the new numeric
287         range created out of the assertion contradicts the existing
288         numeric range of the ASSERT_EXPR variable, make the new range
289         varying.
290
291 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
292
293         * config/sh/sh.c (sh_register_move_cost): Add case for moving
294         from T_REGS to FP register class.
295
296 2005-10-03  Richard Henderson  <rth@redhat.com>
297
298         PR 24135
299         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
300         before creating a new one.
301
302 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
303
304         * config/rs6000/t-aix43 (LDFLAGS): New.
305         * config/rs6000/t-aix52 (LDFLAGS): New.
306
307 2005-10-03  Ian Lance Taylor  <ian@airs.com>
308
309         * gimplify.c (find_single_pointer_decl_1): New static function.
310         (find_single_pointer_decl): New static function.
311         (internal_get_tmp_var): For a formal variable, set restrict base
312         information if appropriate.
313         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
314         return it.
315         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
316         (DECL_GET_RESTRICT_BASE): Define.
317         (SET_DECL_RESTRICT_BASE): Define.
318         (decl_restrict_base_lookup): Declare.
319         (decl_restrict_base_insert): Declare.
320         (struct tree_decl_with_vis): Add based_on_restrict_p field.
321         * tree.c (restrict_base_for_decl): New static variable.
322         (init_ttree): Initialize restrict_base_for_decl.
323         (copy_node_stat): Copy restrict base information.
324         (decl_restrict_base_lookup): New function.
325         (decl_restrict_base_insert): New function.
326         (print_restrict_base_statistics): New static function.
327         (dump_tree_statistics): Call print_restrict_base_statistics.
328
329 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
330
331         PR 24142
332         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
333         case of anti-ranges.
334
335 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
336
337         PR c/18851
338         * c-typeck.c (tagged_tu_seen): Rename to ...
339         (tagged_tu_seen_cache): this and add val field.
340         (comptypes): Move functional to comptypes_internal
341         and free tagged_tu_seen.
342         (comptypes_internal): New function and call comptypes_internal
343         instead of comptypes. Speed up by sibcalling
344         tagged_types_tu_compatible_p.
345         (alloc_tagged_tu_seen): New function
346         (free_all_tagged_tu_seen_up_to): New function.
347         (tagged_types_tu_compatible_p): Return the val of the seen two
348         types.
349         Add that the two types are the same to tagged_tu_seen_base
350         if they are and call comptypes_internal instead of comptypes.
351         <case UNION_TYPE>: Speed up common type where the fields are
352         in the same order.
353         (function_types_compatible_p): Call comptypes_internal instead of
354         comptypes.
355         (type_lists_compatible_p): Likewise.
356         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
357
358 2005-10-02  Matthias Klose  <doko@debian.org>
359
360         * doc/invoke.texi: Fix typo and speling error.
361
362 2005-10-01  Richard Henderson  <rth@redhat.com>
363
364         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
365
366 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
367
368         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
369         using --start-group and --end-group.
370
371 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
372
373         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
374         FIXME note regarding quirky semantics.
375
376 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
377
378         PR 24141
379         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
380         non-null range as a last resort.
381
382 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
383             Diego Novillo  <dnovillo@redhat.com>
384
385         PR 23604
386         * tree-vrp.c (extract_range_from_assert): For !=
387         assertions, only build an anti-range if LIMIT is a
388         single-valued range.
389
390 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
391
392         * arm.md (movqi): On thumb when optimizing, handle loading from
393         memory by describing this as taking a subreg of a zero-extended load
394         into an SImode register.
395         (movhi): Likewise.
396
397 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
398
399         * reload1.c (merge_assigned_reloads): Do not change any
400         RELOAD_FOR_OUTPUT_ADDRESS reloads.
401
402 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
403
404         * Makefile.in (LIPO_FOR_TARGET): Define.
405         (STRIP_FOR_TARGET): Define.
406
407         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
408         before creating new ones.  Do symlinks before creating the actual
409         targets.
410
411         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
412         to work out which multilibs are actually being built.
413
414 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
415
416         * tree-vect-transform.c, config/ms1/ms1.md,
417         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
418         Follow spelling conventions.
419         * doc/invoke.texi, doc/md.texi: Fix typos.
420
421 2005-09-30  Andrew Macleod  <amacleod@redat.com>
422
423         PR tree-optimization/21430
424         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
425         use operands, and set stmt pointer if need be.
426         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
427         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
428         present.
429
430 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
431
432         PR middle-end/24053
433         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
434
435 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
436
437         * optabs.c (expand_binop): Initialize first_pass_p.
438
439 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
440
441         PR middle-end/24109
442         * c-decl.c (c_write_global_declarations_1): If any
443         wrapup_global_declaration_2 call returned true, restart the loop.
444
445 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
446
447         Fix PR tree-optimization/24117
448         * tree-ssa-structalias.c (find_func_aliases): Strip nops
449         before considering whether to use anyoffset.
450
451 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
452
453         Revert this patch:
454
455         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
456
457         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
458         to order operands.
459         (swap_commutative_operands_with_target): New.
460
461 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
462
463         PR c/21419
464         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
465         read-only.
466
467 2005-09-29  Steven Bosscher  <stevenb@suse.de>
468
469         PR tree-optimization/23911
470         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
471         and IMAGPART_EXPR too.
472
473 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
474
475         PR 17886
476         * expmed.c (expand_shift): Move logic to reverse rotation
477         direction when  rotating by constants ...
478         * optabs.c (expand_binop): ... here.
479         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
480         (ix86_rotrdi3): New pattern.
481         (rotldi3): Handle 32-bit mode.
482         (ix86_rotldi3): New pattern.
483
484 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
485
486         PR target/24102
487         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
488         check for numbers that need no bit twiddle.
489
490 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
491
492         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
493         multilib to be built.
494
495         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
496         (stage1-start): Delete old libgcc and libunwind before moving
497         anything into the stage directory.
498         (stage2-start): Likewise.
499         (stage3-start): Likewise.
500         (stage4-start): Likewise.
501         (stageprofile-start): Likewise.
502         (stagefeedback-start): Likewise.
503         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
504         header in tm_file and CPU-specific t-darwin in tmake_file.
505         (i[34567]86-*-darwin*): Don't change tm_file.
506         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
507         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
508         shared library stub for target OS version.
509         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
510         (SHLIB_LINK): Don't make SHLIB_SOLINK.
511         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
512         (libgcc_s.%.dylib): New.
513         (LIBGCC): Define.
514         (install-darwin-libgcc-stubs): New.
515         (INSTALL_LIBGCC): New append.
516         * config/i386/darwin-libgcc.10.4.ver: New.
517         * config/i386/darwin-libgcc.10.5.ver: New.
518         * config/i386/t-darwin: New.
519         * config/rs6000/darwin-libgcc.10.4.ver: New.
520         * config/rs6000/darwin-libgcc.10.5.ver: New.
521         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
522         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
523
524 2005-09-28  Paul Brook  <paul@codesourcery.com>
525
526         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
527         denormals.
528
529 2005-09-28  Richard Guenther  <rguenther@suse.de>
530
531         PR tree-optimization/23853
532         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
533         host_integerp to verify misalignment value.
534
535 2005-09-28  Richard Henderson  <rth@redhat.com>
536
537         * builtins.c (get_builtin_sync_mode): New.
538         (expand_builtin_sync_operation): Pass in mode argument.
539         (expand_builtin_compare_and_swap): Likewise.
540         (expand_builtin_lock_test_and_set): Likewise.
541         (expand_builtin_lock_release): Likewise.
542         (expand_builtin): Update to match.
543
544 2005-09-28  Nick Clifton  <nickc@redhat.com>
545
546         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
547         formatting.  Add check to PLUS case to ensure that the offset is
548         within an acceptable range.
549
550         * config/v850/v850.md (casesi): Disable the generation of the
551         switch pattern as it is not being handled properly at the moment.
552
553         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
554         for when the high words are identical.
555
556 2005-09-27  Richard Henderson  <rth@redhat.com>
557
558         * pretty-print.c (pp_base_format): Fix typo for %>.
559
560 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
561             Devang Patel  <dpatel@apple.com>
562
563         PR tree-optimization/23625
564         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
565         LABEL_EXPR, assertion check.
566
567 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
568
569         * optabs.c (no_conflict_move_test): Check if a result of a
570         to-be-moved insn would be clobbered by an originally
571         preceding insn.
572
573 2005-09-27  Jeff Law  <law@redhat.com>
574
575         * passes.c (init_optimization_passes): Replace copy propagation
576         passes immediately after DOM with phi-only copy propagation
577         pases.  Add phi-only copy propagation pass after first DOM pass.
578         * tree-pass.h (pass_phi_only_copy_prop): Declare.
579         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
580         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
581         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
582         to init_copy_prop.  Callers updated.
583         (do_phi_only_copy_prop): New function.
584         (pass_phi_only_copy_prop): New pass descriptor.
585
586 2005-09-27  Nick Clifton  <nickc@redhat.com>
587
588         * libgcc2.c (__popcount_tab): Remove redundant prototype.
589
590 2005-09-26  Jason Merrill  <jason@redhat.com>
591
592         PR c++/13764
593         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
594
595         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
596
597 2005-09-26  James E Wilson  <wilson@specifix.com>
598
599         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
600         copyright.  Add gcc copyright plus libgcc exception.
601         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
602         copyright.
603         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
604
605 2005-09-26  Jeff Law  <law@redhat.com>
606
607         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
608         about when to iterate.
609
610 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
611
612         PR target/23847
613         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
614         for __complex__ double in -mcpu=G5 mode.
615
616 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
617
618         PR tree-optimization/23942
619         * Makefile.in (SCEV_H): Depends on PARAMS_H.
620         * tree-scalar-evolution.c: Include params.h.
621         (t_bool): New enum.
622         (follow_ssa_edge, follow_ssa_edge_in_rhs,
623         follow_ssa_edge_in_condition_phi_branch,
624         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
625         Change return type to t_bool.  Use a parameter to limit the size of
626         trees that are walked before stopping
627         (analyze_evolution_in_loop): Initialize the limit to 0.
628         (follow_ssa_edge): Give up by returning t_dont_know if the limit
629         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
630
631 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
632
633         PR middle-end/23831
634         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
635         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
636
637 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
638
639         * combine.c (make_extraction): Check for valid use of subreg.
640
641 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
642
643         PR target/24055
644         * config/i386/i386.md ("*fistdi2_1"): New pattern.
645         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
646         ("fist<mode>2_with_temp"): Use only register operands.
647
648 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
649
650         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
651         CALL_INSN_FUNCTION_USAGE.
652
653 2005-09-26  Richard Guenther  <rguenther@suse.de>
654
655         PR middle-end/15855
656         * gcse.c: Include hashtab.h, define ldst entry hashtable.
657         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
658         (ldst_entry): Use the hashtable instead of list-walking.
659         (find_rtx_in_ldst): Likewise.
660         (free_ldst_entry): Free the hashtable.
661         (compute_ld_motion_mems): Create the hashtable.
662         (trim_ld_motion_mems): Remove entry from hashtable if
663         removing it from list.
664         (compute_store_table): Likewise^2.
665         (store_motion): Free hashtable in case we did not see
666         any stores.
667
668 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
669
670         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
671         and arg1 if we are passing them to fold_build2.
672
673 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
674
675         PR 23828
676         * config/i386/i386.c (ix86_function_regparm): Fix the test for
677         a nested function.
678
679 2005-09-25  Richard Henderson  <rth@redhat.com>
680
681         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
682         SYMBOL_REF_TLS_MODEL to be correct.
683
684 2005-09-24  Richard Henderson  <rth@redhat.com>
685
686         * ipa-type-escape.c (discover_unique_type): Remove dead code at
687         end of function.  Reindent.
688
689 2005-09-24  Ian Lance Taylor  <ian@airs.com>
690
691         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
692         NEGATE_EXPR/BIT_NOT_EXPR case.
693
694 2005-09-24  Richard Henderson  <rth@redhat.com>
695
696         * c-common.c (handle_mode_attribute): When not modifying in place,
697         create subtypes for enumerations.
698         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
699         * gimplify.c (create_tmp_from_val): Likewise.
700
701 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
702
703         * config/i386/i386.md (*tls_global_dynamic_64,
704         *tls_local_dynamic_base_64): Add missing mode to call.
705         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
706
707 2005-09-24  Jan Hubicka  <jh@suse.cz>
708
709         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
710         (cgraph_clone_node): Likewise.
711         * cgraph.h (cgraph_clone_edge): Update prototype.
712         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
713         duplicated prototypes; add updating argument.
714         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
715         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
716         updating profile.
717         (cgraph_mark_inline_edge): Likewise.
718         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
719         (cgraph_flatten_node): Likewise.
720         (cgraph_decide_recursive_inlining): Likewise.
721         (cgraph_decide_inlining_of_small_function): Likewise.
722         * tree-optimize.c (tree_rest_of_compilation): Likewise.
723
724 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
725             Pete Steinmetz <steinmtz@us.ibm.com>
726
727         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
728         (rldic.): Set type to "compare".
729         (rldicr.): Same.
730         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
731         mfjmpr for MFCTR/MFLR.
732         (movdf_hardfloat64): Same.
733         (movdf_softfloat64): Same.  Correct order of store and move types.
734         (movti_string): Set type to store_ux/load_ux.
735         (load_multiple): Set type to load_ux.
736         (store_multiple): Set type to store_ux.
737         (movmemsi): Set type to store_ux.
738         (output_cbranch direct_return): Set type to jmpreg.
739         (stmw): Set type to store_ux.
740         (lmw): Set type to load_ux.
741         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
742         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
743         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
744         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
745         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
746         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
747         (rios1-fpstore): Increase latency to 3.
748         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
749         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
750
751 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
752             Andrew Pinski  <pinskia@physics.uc.edu>
753
754         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
755         operand2 constraint to "b".
756         (sync_<fetchop_name>di_internal): Same.
757         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
758         to "b".
759         (sync_old_<fetchop_name>di_internal): Same.
760         (sync_new_<fetchop_name>si_internal): Same.
761         (sync_new_<fetchop_name>di_internal): Same.
762
763 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
764
765         PR middle-end/23991
766         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
767         case, define as macros.
768
769         PR rtl-optimization/23837
770         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
771         clobber / clobber match between dest and p->first.
772
773         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
774         (no_conflict_move_test): Update comments.
775
776 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
777
778         * doc/install.texi: Update URL for Jacks.
779         * doc/sourcebuild.texi: Likewise.
780
781 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
782
783         PR target/24007
784         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
785         registers when choosing register preferences.
786         (movdf_hardfloat64): Same.
787
788 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
789
790         * expmed.c (expand_shift): Don't use the target of the rotate as
791         target for the first expanded shift insn.
792         * testsuite/gcc.dg/20050922-1.c: Testcase added.
793
794 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
795
796         PR tree-optimization/22438
797         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
798         preserved iv rhs rewriting specially.
799
800 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
801
802         * tree-data-ref.c (analyze_array_indexes): Only estimate when
803         estimate_only  is true.
804         * tree-flow.h (ref_contains_indirect_ref): New prototype.
805         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
806         tree-ssa-structalias.c
807         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
808         ref_contains_indirect_ref.
809         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
810
811 2005-09-21  DJ Delorie  <dj@redhat.com>
812
813         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
814         MASK_PTR_A0D0.
815         (mn10300_return_in_memory): Support variable size types also.
816         (mn10300_pass_by_reference): Likewise.
817         (mn10300_function_value): New.
818         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
819         (FUNCTION_OUTGOING_VALUE): Likewise.
820         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
821         * doc/invoke.texi: Document it.
822
823 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
824
825         PR target/22585
826         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
827         force integer op1 into register for XFmode compares.
828
829 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
830
831         PR middle-end/23971
832         * expmed.c (alg_code): Add alg_impossible.
833         (alg_hash_entry): Add cost.
834         (synth_mult): Record alg_impossible in the hash table if
835         multiplication by a given integer is impossble within the
836         limit.  Speed up using alg_impossible.
837
838 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
839
840         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
841         argument.  Allow and set any offset if needs_anyoffset is passed
842         in.
843         (get_constraint_for): Add argument here too.
844         Pass it down.
845         (do_structure_copy): Pass NULL to get_constraint_for.
846         (handle_ptr_arith): Ditto.
847         (find_func_aliases): Ditto.
848
849 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
850
851         PR rtl-optimization/23898
852         * output.h (get_attr_min_length): Declare.
853         * final.c (get_attr_length_1): New function, broken out of:
854         (get_attr_length).
855         (get_attr_min_length): New function.
856         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
857         (duplicate_computed_gotos): Likewise.
858         * genattr.c (insn_min_length): Generate declaration.
859         * genattrtab.c (min_fn, min_attr_value): New functions.
860         (make_length_attrs): Generate insn_min_length.
861
862 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
863
864         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
865
866 2005-09-20  Richard Henderson  <rth@redhat.com>
867
868         PR tree-optimization/24059
869         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
870         EXPAND_STACK_PARM.
871
872 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
873
874         * c.opt (fextended-identifiers): New.
875         * c-opts.c (c_common_handle_option): Handle
876         -fextended-identifiers.
877         * doc/cpp.texi: Update documentation of extended identifiers.
878         * doc/cppopts.texi (-fextended-identifiers): Document.
879
880 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
881
882         PR tree-optimization/23929
883         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
884         if expr is NULL.
885
886         PR tree-optimization/23818
887         * tree-stdarg.c (execute_optimize_stdarg): Call
888         calculate_dominance_info.
889
890 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
891
892         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
893         (analyze_siv_subscript_cst_affine): Add weak SIV test.
894         (compute_overlap_steps_for_affine_1_2): Use
895         get_number_of_iters_for_loop.
896         (analyze_subscript_affine_affine): Check whether difference is
897         zero first.
898         Use get_number_of_iters_for_loop.
899         Check whether overlap occurs outside of bounds.
900         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
901
902 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
903
904         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
905         base register if possible.
906
907 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
908
909         PR tree-optimization/18463
910         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
911         converting it directly is not possible.
912         (chrec_convert_aggressive): New function.
913         * tree-chrec.h (chrec_convert_aggressive): Declare.
914         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
915         Fold chrec conversions aggressively if asked to.
916         (instantiate_parameters): Modified because of changes in
917         instantiate_parameters_1.
918
919 2005-09-19  Richard Henderson  <rth@redhat.com>
920
921         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
922         (reduc_splus_v2df): New.
923
924 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
925
926         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
927         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
928
929 2005-09-19  Richard Henderson  <rth@redhat.com>
930
931         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
932         vcondu<SSEMODE12>.
933
934 2005-09-19  Richard Henderson  <rth@redhat.com>
935
936         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
937         (ia64_expand_dot_prod_v8qi): New.
938         * config/ia64/ia64-protos.h: Update.
939         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
940         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
941         sdot_prodv8qi, sdot_prodv4hi): New.
942         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
943
944 2005-09-19  Richard Henderson  <rth@redhat.com>
945
946         PR 23941
947         * real.c (exact_real_truncate): Return false if the format cannot
948         represent the number as a normal.
949
950         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
951         for a memory source.
952
953 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
954
955         * tree-ssa-operands.c (swap_tree_operands): Export.
956         * tree.h (swap_tree_operands): Declare.
957         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
958         Call swap_tree_operands.
959
960 2005-09-19  Richard Henderson  <rth@redhat.com>
961
962         * tree-flow.h (merge_alias_info): Declare.
963         * tree-ssa-copy.c (merge_alias_info): Export.
964         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
965         (vect_create_data_ref_ptr): Use create_iv directly.
966         (vectorizable_load): Use correct types for integer constants.
967         (vect_generate_tmps_on_preheader): Likewise.
968         (vect_gen_niters_for_prolog_loop): Likewise.
969
970 2005-09-19  Steven Bosscher  <stevenb@suse.de>
971
972         PR rtl-optimization/23943
973         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
974
975 2005-09-18  Jan Hubicka  <jh@suse.cz>
976
977         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
978
979 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
980
981         * varasm.c (output_constant): Do not abort on conversions to union
982         types between different sizes.
983
984 2005-09-18  Richard Guenther  <rguenther@suse.de>
985
986         PR middle-end/23944
987         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
988         fallback.
989
990 2005-09-18  Paul Brook  <paul@codesourcery.com>
991
992         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
993
994 2005-09-17  Richard Henderson  <rth@redhat.com>
995
996         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
997         * tree-ssa-loop.c (pass_vect_dce): Remove.
998         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
999         of pass_vectorize.
1000
1001 2005-09-17  Richard Henderson  <rth@redhat.com>
1002
1003         * tree-pass.h (pass_vect_dce): Declare.
1004         * passes.c (init_optimization_passes): Add it.
1005         * tree-flow.h (tree_ssa_dce): Declare.
1006         * tree-ssa-dce.c (tree_ssa_dce): Export.
1007         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1008         (gate_tree_vectorize): ... here.
1009         (pass_vect_dce): New.
1010
1011 2005-09-17  Jan Hubicka  <jh@suse.cz>
1012
1013         * except.c (struct eh_status): Turn region_array into vec.
1014         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1015         convert_from_eh_region_ranges, find_exception_handler_labels,
1016         current_function_has_exception_handlers, assign_filter_values,
1017         build_post_landing_pads, dw2_build_landing_pads,
1018         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1019         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1020         foreach_reachable_handler, can_throw_internal_1,
1021         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1022         region_array.
1023         (duplicate_eh_region_1): Update region_array.
1024         (duplicate_eh_regions): Resize region_array and avoid recomputing.
1025
1026 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
1027
1028         PR middle-end/22067
1029         * expmed.c (expand_mult): Substitute simple register for op0 when
1030         computing max_cost.
1031
1032 2005-09-17  Richard Henderson  <rth@redhat.com>
1033
1034         * expr.c (emit_move_via_integer): Add force argument, pass it on
1035         to emit_move_change_mode.  Update callers.
1036         (emit_move_complex): Pass true to new force argument.
1037         * function.c (expand_function_end): Move expand_eh_return call
1038         earlier.  Merge sub-word complex values into a pseudo before
1039         copying to the return hard register.
1040
1041 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
1042
1043         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1044         between different sizes.
1045
1046 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
1047
1048         PR 23903
1049
1050         * passes.c (init_optimization_passes): Register dump files for
1051         IPA passes first.
1052
1053 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1054
1055         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1056         * config/s390/s390.c (s390_overlap_p): New function.
1057         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1058         peephole2, "*xc" peephole2): Added overlap check to the peephole2
1059         condition.
1060
1061 2005-09-16  Richard Guenther  <rguenther@suse.de>
1062
1063         * ipa-pure-const.c (static_execute): Free auxiliar information.
1064         * ipa-type-escape.c (discover_unique_type): Free temporary key.
1065         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1066
1067 2005-09-15  DJ Delorie  <dj@redhat.com>
1068
1069         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1070
1071 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1072
1073         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1074         to order operands.
1075         (swap_commutative_operands_with_target): New.
1076
1077 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
1078
1079         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1080         parameter.
1081         Update callers.
1082         (estimate_iters_using_array): New function.
1083         * tree-data-ref.h (estimate_iters_using_array): Prototype
1084         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1085         Use estimate_iters_using_array instead of analyze_array.
1086
1087 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
1088
1089         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1090         as addressable.
1091
1092 2005-09-15  Michael Matz  <matz@suse.de>
1093
1094         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1095
1096 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
1097
1098         PR tree-optimization/23835
1099         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1100         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1101
1102 2005-09-14  Richard Henderson  <rth@redhat.com>
1103
1104         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1105         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1106
1107 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
1108
1109         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1110         in the ARRAY_TYPE case.
1111
1112 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
1113
1114         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1115
1116 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
1117
1118         PR middle-end/22480
1119         * tree-vect-transform.c (vectorizable_operation): Return false for
1120         scalar shift operations and for vector shift operations with
1121         non-invariant shift arguments.  Use scalar tree operand op1 as
1122         a shift operand when vector shift insn pattern uses scalar shift
1123         operand.
1124         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1125
1126 2005-09-14  Olivier Hainque  <hainque@adacore.com>
1127
1128         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1129         value if it has side-effects.
1130
1131 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
1132
1133         PR target/22068
1134         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1135
1136 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
1137
1138         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1139         passed as NAME as if it were label at start of function code.
1140
1141 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1142
1143         * config/sh/sh.md (*movv4sf_i): Add general register cases to
1144         the constraints.
1145
1146 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
1147
1148         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1149         as early clobber.  Rewrite so the PIC register is not implicitly used.
1150
1151 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1152
1153         * tree.c (annotate_with_file_line): Compare line numbers before
1154         file names.
1155
1156 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
1157
1158         PR target/23816
1159         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1160         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1161
1162 2005-09-13  Ian Lance Taylor  <ian@airs.com>
1163
1164         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1165         than a HOST_WIDEST_INT to gen_doloop_begin.
1166
1167 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
1168
1169         * tree-dfa.c (dump_variable): Guard against NULL annotations.
1170
1171 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
1172
1173         PR tree-optimize/23817
1174         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1175
1176 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
1177
1178         PR target/23774
1179         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1180         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
1181         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1182         (restore_stack_nonlocal): Likewise.
1183         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1184
1185 2005-09-12  Ian Lance Taylor  <ian@airs.com>
1186
1187         PR g++/7874
1188         * c.opt (ffriend-injection): New C++ option.
1189         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1190         (C++ Dialect Options): Document -ffriend-injection.
1191
1192 2005-09-12  Josh Conner  <jconner@apple.com>
1193
1194         PR middle-end/23237
1195         * ipa-reference.c (static_execute): Don't mark variables in
1196         named sections TREE_READONLY.
1197
1198 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1199
1200         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1201         stack_tie.
1202
1203 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
1204
1205         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1206         V_MUST_DEF instead of just the first_use_p.
1207         Don't mark the virtual variables for renaming on the statement which
1208         is being removed.
1209         (pass_dse): Remove TODO_update_ssa.
1210
1211 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
1212
1213         PR middle-end/23290
1214         * stor-layout.c (compute_record_mode): For records with a single
1215         field, actually check the field's mode size against the type size.
1216
1217         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1218         registers for TARGET_SHMEDIA.
1219         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1220         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
1221         of GENERAL_REGS and FP_REGS.
1222
1223 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1224
1225         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1226
1227 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1228
1229         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1230         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1231         are omitted.  Exclude stack_tie insn too.
1232
1233 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
1234
1235         PR rtl-optimization/23098
1236         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1237         0.0f is easy.
1238         * config/rs6000/rs6000.md (movdf splitter): Use
1239         const_double_operand predicate for TARGET_POWERPC64.
1240         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1241         SYMBOL_REF method to ABI_V4.
1242
1243         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1244         replace_equiv_address.
1245         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1246         rs6000_sr_alias_set and MEM_NOTRAP.
1247         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1248
1249 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1250
1251         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1252         handle CALL_EXPR again.
1253
1254 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1255
1256         * arm/predicates.md (alignable_memory_operand): Delete.
1257
1258 2005-09-10  Richard Henderson  <rth@redhat.com>
1259
1260         PR debug/23806
1261         * dbxout.c (dbxout_expand_expr): New.
1262         (dbxout_symbol): Use it.
1263
1264 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
1265
1266         * arm.c (arm_gen_rotated_half_load): Delete.
1267         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1268         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1269         (thumb_set_return_address): Likewise.
1270         (thumb_load_double_from_address): Use adjust_address.
1271         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1272         (extendhsisi2_mem, movhi_bytes): Use change_address.
1273         (movhi): Use widen_memory_access.
1274         (reload_out_df): Use replace_equiv_address.
1275         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1276
1277 2005-09-09  Richard Henderson  <rth@redhat.com>
1278
1279         PR debug/20998
1280         * dbxout.c: Include expr.h.
1281         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1282         (dbxout_symbol): Handle DECL_VALUE_EXPR.
1283         * Makefile.in (dbxout.o): Add EXPR_H.
1284
1285 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
1286
1287         PR tree-optimization/23509
1288         * tree-cfg.c (replace_uses_by): Use replace_exp.
1289         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1290         pointers have name_mem_tag or type_mem_tag set.
1291
1292 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1293
1294         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1295         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1296         of wrongly accessing operands.
1297
1298 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1299
1300         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1301         * tree-chrec.c: Include tree-scalar-evolution.h.
1302         (chrec_convert): Instantiate the base and step before calling
1303         scev_probably_wraps_p that would fail on parametric evolutions.
1304         Collect all the fails into a single section failed_to_convert,
1305         print a diagnostic, and return chrec_dont_know instead of calling
1306         fold_convert.
1307         * tree-scalar-evolution.c (loop_closed_phi_def): New.
1308         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1309         phi nodes.
1310         (scev_const_prop): Don't replace the definition of a loop closed ssa
1311         phi node by itself, or by another loop closed ssa phi node.
1312         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1313         that base and step are defined.
1314
1315 2005-09-09  Richard Guenther  <rguenther@suse.de>
1316
1317         PR c++/23624
1318         * fold-const.c (fold_ternary): Check truth_value_p before
1319         calling invert_truthvalue.
1320
1321 2005-09-09  Nick Clifton  <nickc@redhat.com>
1322
1323         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1324         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1325         dimension of these arrays.
1326         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1327         these arrays.
1328         * longlong.h: Only provide a prototype for the __clz_tab[] array
1329         if this header has not been included from libgcc2.h.
1330         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1331         defining own types.
1332         Provide prototypes for exported functions.
1333         Use the __clz_tab[] and __popcount_tab[] arrays provided by
1334         libgcc2.c.
1335
1336 2005-09-08  Josh Conner  <jconner@apple.com>
1337
1338         PR c++/21135
1339         PR c++/23180
1340         * expr.c (expand_expr_addr_expr_1): Don't invoke
1341         expand_simple_binop for EXPAND_INITIALIZER.
1342
1343 2005-09-08  Richard Henderson  <rth@redhat.com>
1344
1345         PR debug/23190
1346         * toplev.c (wrapup_global_declaration_1): Split out ...
1347         (wrapup_global_declaration_2): ... from ...
1348         (wrapup_global_declarations): ... here.  Return bool.
1349         (check_global_declaration_1): Split out ...
1350         (check_global_declarations): from here.
1351         (emit_debug_global_declarations): New.
1352         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1353         check_global_declaration_1, emit_debug_global_declarations): Declare.
1354         * c-decl.c (c_write_global_declarations_1): Don't create a vector
1355         of decls.  Call wrapup_global_declaration_1,
1356         wrapup_global_declaration_2, check_global_declaration_1 directly.
1357         (c_write_global_declarations_2): New.
1358         (ext_block): New.
1359         (c_write_global_declarations): Call c_write_global_declarations_2.
1360         * langhooks.c (write_global_declarations): Call
1361         emit_debug_global_declarations.
1362
1363         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1364         remove decls that have DECL_RTL_SET_P.
1365         * passes.c (rest_of_decl_compilation): Invoke
1366         cgraph_varpool_finalize_decl for all but functions.
1367
1368 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1369
1370         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1371         the result of a conversion if the new min and max cannot be compared.
1372
1373 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1374
1375         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1376         (override_options): Setting s390_sr_alias_set removed.
1377         (save_fpr, save_gprs): Set alias set to vararg or frame.
1378         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1379         s390_sr_alias_set with get_frame_alias_set ().
1380         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1381         get_varargs_alias_set ().
1382
1383 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1384
1385         PR objc/20574
1386         PR objc/19324
1387         * c-parser.c (c_parser_objc_method_definition): If the next
1388         token is not "{", error out and don't start the function.
1389
1390 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1391
1392         * tree-vrp.c (extract_range_from_expr): Move the check for non
1393         nullness after the check for gimple invariant.
1394
1395 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1396
1397         * tree.c (host_integerp, tree_low_cst): Correct function comment.
1398
1399 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1400
1401         PR target/23747
1402         * config/m32r.md (movmemsi_internal): Canonicalize order of
1403         operands in PLUS component of template.
1404
1405 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1406
1407         * reload1.c (fixup_eh_region_note): Remove assertion.
1408         (fixup_abnormal_edges): Reverted removal of call to
1409         find_many_sub_basic_blocks made on 2005-08-31.
1410
1411 2005-09-07  Richard Henderson  <rth@redhat.com>
1412
1413         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1414         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1415         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1416         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1417         rearrange for better packing.
1418         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1419         (lookup_cfa_1): Remove inline marker.
1420         (cfa_equal_p): Split out of ...
1421         (def_cfa_1): ... here.  Use INVALID_REGNUM.
1422         (build_cfa_loc): Handle !cfa->indirect.
1423         (frame_pointer_cfa_offset): New.
1424         (dbx_reg_number): Assert register elimination performed; do
1425         leaf register remapping.
1426         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1427         (eliminate_reg_to_offset): New.
1428         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
1429         for verifiably local stack frame addresses; re-base to CFA.
1430         (mem_loc_descriptor): Remove can_use_fbreg argument.
1431         (concat_loc_descriptor, loc_descriptor): Likewise.
1432         (containing_function_has_frame_base): Remove.
1433         (rtl_for_decl_location): Don't do register elimination or
1434         leaf register remapping here.
1435         (secname_for_decl): Split out from ..
1436         (add_location_or_const_value_attribute): ... here.
1437         (convert_cfa_to_loc_list): New.
1438         (compute_frame_pointer_to_cfa_displacement): New.
1439         (gen_subprogram_die): Use them.
1440         * tree.h (frame_base_decl): Remove.
1441         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1442         (prologue_stack_adjust): Remove.
1443         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1444         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1445         (set_frame_base_location): Remove.
1446         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1447         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1448         (vt_add_function_parameters): Don't eliminate_regs.
1449         (vt_initialize): Don't create frame_base_decl.
1450
1451 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1452
1453         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1454         version of GNU binutils for 4.x and later.
1455
1456 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
1457
1458         * ggc-page.c (ggc_push_context): Remove.
1459         (ggc_pop_context): Likewise.
1460         * ggc.h (ggc_push_context): Remove.
1461         (ggc_pop_context): Likewise.
1462
1463 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1464
1465         PR target/8973
1466         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1467         returning from an interrupt handler.
1468
1469 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1470
1471         PR target/8972
1472         * config/arc/arc.c (output_shift): Add check for loop count when
1473         optimizing.
1474
1475 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1476
1477         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1478         form manually.
1479         (abs_replacement): Likewise.
1480         (pass_phiopt): Remove TODO_update_ssa.
1481
1482 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1483
1484         PR c/23075
1485         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1486         if "return with no value, in function returning non-void" warning
1487         has been issued.
1488         * tree-cfg.c (execute_warn_function_return): Don't look at
1489         RETURN_EXPRs with TREE_NO_WARNING set.
1490
1491         PR target/22362
1492         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1493         for internal functions doesn't use registers used by global registers
1494         variables.  Use fewer register parameters if there are global register
1495         variables.
1496
1497 2005-09-06  Olivier Hainque  <hainque@adacore.com>
1498             Eric Botcazou  <ebotcazou@adacore.com>
1499
1500         PR middle-end/14997
1501         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1502         when we would be extracting outside its bit span (bitpos+bitsize
1503         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1504         Ada unchecked conversions.
1505
1506 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1507
1508         * tree-ssa-pre.c (try_look_through_load): New function.
1509         (compute_avail): Use it to try to look through loads for some
1510         more useful expressions.
1511
1512 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1513
1514         * simplify-rtx.c (simplify_binary_operation_1): Correct the
1515         condition for detecting cases like (a&a) and (a^a).
1516
1517 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
1518
1519         * common.opt: Add option ftree-vect-loop-version.
1520         * params.def: Add --param vect-max-version-checks.
1521         * doc/invoke.texi: Document ftree-vect-loop-version and
1522         --param vect-max-version-checks.
1523         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1524         may_misalign_stmts and defines for accessors.
1525         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1526         LOOP_VINFO_MAY_MISALIGN_STMTS.
1527         (destroy_loop_vec_info): VEC_free for
1528         LOOP_VINFO_MAY_MISALIGN_STMTS.
1529         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1530         Update documentation.
1531         (vect_update_misalignment_for_peel): New.
1532         (vect_enhance_data_refs_alignment): Update to choose loop
1533         peeling or loop versioning if appropriate for the (potentially)
1534         unaligned data references in the loop.
1535         (vect_analyze_data_refs_alignment): Remove call to
1536         vect_enhance_data_refs_alignment so the checks can be done
1537         earlier.
1538         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1539         and move up call to vect_analyze_data_refs_alignment.
1540         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1541         (vect_transform_loop): Add call to loop_version.
1542
1543 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1544
1545         PR rtl-optimization/23098
1546         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1547         * simplify-rtx.c (constant_pool_reference_p): New function.
1548         * rtl.h (constant_pool_reference_p): New prototype.
1549         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1550         constant_pool_reference_p in condition and
1551         avoid_constant_pool_reference in preparation statements.
1552
1553 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1554
1555         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1556         STRICT_LOW_PART SETs.
1557
1558 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
1559
1560         PR middle-end/21460
1561         * except.c (sjlj_emit_function_enter): Find the function begin
1562         note even when it's not in first basic block.
1563
1564 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
1565
1566         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
1567         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1568         * aclocal.m4: Regenerate.
1569
1570 2005-09-05  DJ Delorie  <dj@redhat.com>
1571
1572         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1573         of macro.
1574
1575 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
1576
1577         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1578         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1579         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1580         Follow spelling conventions.
1581         * doc/invoke.texi: Follow spelling conventions.
1582
1583 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1584
1585         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1586         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1587         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1588
1589 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1590
1591         PR target/23683
1592         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1593         (output_stack_adjust): Use gen_tmp_stack_mem.
1594         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1595         (sh_set_return_address, sh_allocate_initial_value): Likewise.
1596         (sh_get_pr_initial_val): Likewise.
1597         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1598         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
1599         * sh.md (divsi_inv_m0): Use gen_const_mem.
1600         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1601         (movdf_i4+1): Use gen_tmp_stack_mem.
1602         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1603         (fpu_switch+2): Likewise.
1604         (movv4sf_i, movv16sf_i): Use adjust_address.
1605         (symGOT_load): Set MEM_NOTRAP_P bit.
1606
1607 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1608
1609         PR target/23721
1610         * pa.c (emit_move_sequence): Fix typo in last change.
1611
1612 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR rtl-optimization/23454
1615         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1616         is true.
1617
1618 2005-09-03  Richard Henderson  <rth@redhat.com>
1619             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1620
1621         PR middle-end/23671
1622         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1623         gen_rtx_MEM.
1624
1625 2005-09-02  Nicolas Pitre <nico@cam.org>
1626
1627         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1628         to bit_count to 32 bits.
1629
1630 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
1631
1632         PR c++/23167
1633         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1634         generating synthetic loads from volatile lvalues.
1635
1636 005-09-02  Nick Clifton  <nickc@redhat.com>
1637
1638         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1639         __ctzhi2, __clzhi2): New functions.
1640
1641 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
1642
1643         PR middle-end/23547
1644         * tree-nested.c (struct var_map_elt): Mark with GTY.
1645         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
1646         var_map_elt.
1647         (lookup_field_for_decl): Allocate new element in GC memory.
1648         (lookup_tramp_for_decl): Likewise.
1649         (convert_nl_goto_reference): Likewise
1650         (create_nesting_tree): Allocate info in GC memory. Likewise for
1651         info->var_map.
1652         (free_nesting_tree): Free with ggc_free instead of free.
1653         (root): New static variable.
1654         (lower_nested_functions): Remove root as local variable.  And zero out
1655         root at the end of the function.
1656
1657 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
1658
1659         PR rtl-optimization/20365
1660         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1661         to short.  New member ix.
1662         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1663         (simplify_plus_minus): Initialize ix members before calling qsort.
1664
1665 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
1666
1667         PR tree-optimization/23626
1668         * tree-cfg.c (replace_uses_by): Clean up eh info.
1669
1670 2005-09-01  DJ Delorie  <dj@redhat.com>
1671
1672         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1673         fprintf.
1674
1675 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
1676
1677         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1678         (rs6000_split_multireg_move): Use replace_equiv_address instead of
1679         gen_rtx_MEM.
1680
1681 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1682
1683         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
1684         do not issue warning for a variable definition following
1685         a declaration.
1686
1687 2005-09-01  Richard Henderson  <rth@redhat.com>
1688
1689         PR 23668
1690         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1691         conversion to CONST_VECTOR.
1692
1693 2005-09-01  Richard Henderson  <rth@redhat.com>
1694
1695         PR 23676
1696         * reload1.c (reload_as_needed): Check !CALL_P before calling
1697         fixup_eh_region_note.
1698         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1699
1700 2005-09-01  DJ Delorie  <dj@redhat.com>
1701
1702         * varasm.c (output_constant): Let the target resolve
1703         conversions of addresses to non-default pointer sizes.
1704
1705 2005-09-01  Nicolas Pitre <nico@cam.org>
1706
1707         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1708         to alow matching ARM pre-indexed addressing mode.
1709         (arm_override_options): Remove now irrelevant comment.
1710
1711 2005-09-01  Phil Edwards  <phil@codesourcery.com>
1712
1713         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
1714         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
1715         * config/i386/vxworks.h:  Likewise.
1716         * config/i386/t-vxworksae:  New file, for VxWorks AE.
1717         * config/i386/vxworksae.h:  Likewise.
1718
1719 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
1720
1721         PR tree-optimization/23410
1722         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1723         sequence is not wrapping during the first step.
1724
1725 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1726
1727         PR debug/7241
1728         * dwarf2out.c (base_type_die): Compare char_type_node with
1729         TYPE_MAIN_VARIANT (type), not type.
1730
1731 2005-09-01  Richard Guenther  <rguenther@suse.de>
1732
1733         PR tree-optimization/15366
1734         * common.opt: Add -finline-functions-called-once.
1735         Put -fearly-inlining in alphabetically ordered place.
1736         * doc/invoke.texi: Document new option.
1737         * ipa-inline.c (cgraph_decide_inlining): Honour
1738         flag_inline_functions_called_once.
1739
1740 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1741
1742         PR rtl-optimization/23478
1743         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1744         (alloc_qty): Initialize it.
1745         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1746         (combine_regs): Combine also n_throwing_calls_crossed fields.
1747         (find_free_reg): Don't attempt to caller-save pseudos crossing
1748         calls that might throw.
1749         * global.c (struct allocno): Add throwing_calls_crossed field.
1750         (global_alloc): Revert 2005-08-22 change.  Initialize
1751         throwing_calls_crossed.
1752         (find_reg): Don't attempt to caller-save pseudos crossing calls that
1753         might throw.
1754
1755 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
1756
1757         PR target/23649
1758         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1759         (mask64_operand): Reinstate code prior to 2005-06-11 change.
1760         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1761         (and64_2_operand): Tweak to use predicate.
1762         (and_operand): Adjust for mask_operand changes.
1763         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1764         (print_operand): Likewise.
1765         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1766         (mask64_1or2_operand): Delete.
1767         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1768         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1769         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1770         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1771         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1772         (rotldi3_internal4): Likewise.
1773         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1774         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1775         (ashldi3_internal7): Likewise.
1776         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1777         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1778         (anddi3 split): Don't match mask64_operand.
1779         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1780         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1781         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1782         't' splitter predicate.
1783         (movdi_internal64 + 2): Revert 2005-06-11 change.
1784
1785 2005-08-31  DJ Delorie  <dj@redhat.com>
1786
1787         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1788         (m32c_asm_integer): Add support for 32 bit pointers.
1789
1790 2005-08-31  Richard Henderson  <rth@redhat.com>
1791
1792         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1793         component-like references for setting MEM_NOTRAP_P.
1794
1795         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1796         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1797
1798 2005-08-31  Richard Henderson  <rth@redhat.com>
1799
1800         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1801         into a pseudo before applying gen_lowpart.
1802
1803 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1804
1805         * doc/install.texi (Specific): Update cctools version required
1806         for full functionality.
1807         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1808         linkers as -macosx_version_min.
1809
1810 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1811
1812         PR target/21255
1813         * sh.c (print_operand, %R and %S): Add handling of floating point
1814         registers, memory, constants and invalid operands.
1815
1816 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1817
1818         * ipa-pure-const.c: Change dump name.
1819
1820 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1821
1822         PR target/23570
1823         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1824         to "reg_or_0_operand".
1825         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1826
1827 2005-08-31  Dale Johannesen  <dalej@apple.com>
1828
1829         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1830         loops that count down.
1831
1832 2005-08-31  Richard Henderson  <rth@redhat.com>
1833
1834         PR rtl-opt/23601
1835         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1836         (fixup_eh_region_note): New.
1837         (reload_as_needed): Call it.
1838         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1839         don't call find_many_sub_basic_blocks; call verify_flow_info.
1840         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1841         (keep_stack_depressed): Likewise.
1842         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1843
1844 2005-08-31  Richard Henderson  <rth@redhat.com>
1845
1846         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1847         fp return matching.
1848
1849 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1850
1851         * expr.c (expand_expr_real_1): Compare size of address
1852         mode to target's address mode size in deciding expansion of
1853         the constant address.
1854
1855 2005-08-31  Richard Guenther  <rguenther@suse.de>
1856
1857         PR middle-end/23477
1858         * expr.c (all_zeros_p): New function.
1859         (expand_expr_real_1): Handle the case of an all-zero
1860         non-addressable constructor separately.
1861
1862 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1863
1864         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1865         arguments, adjust all callers.
1866         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1867
1868 2005-08-30  Richard Henderson  <rth@redhat.com>
1869
1870         PR target/23630
1871         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1872         whenever the mode sizes match.
1873
1874 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1875
1876         * calls.c (load_register_parameters): Fix comment typo.
1877         * expr.c (emit_push_insn): Comment formatting.
1878
1879 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1880
1881         * config/i386/x-cygwin (host-cygwin): Change dependency from
1882         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1883
1884 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1885
1886         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1887         parts of 'vals'.
1888
1889 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1890
1891         PR middle-end/23408
1892         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1893         call to ggc_collect.
1894
1895 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         PR bootstrap/21268
1898         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1899         beginning.  Remove $(INCLUDES) from all the rules, if following
1900         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1901
1902 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1903
1904         PR middle-end/23484
1905         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1906         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1907         not constant, but maxlen is, don't set len to maxlen, rather
1908         set maxlen to len if len is a constant.
1909
1910 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1911
1912         PR tree-optimization/23475
1913         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1914         and counts.
1915
1916 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1917
1918         Fix PR middle-end/22455
1919
1920         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1921         Checksum only the parts of the tree that exist for the tree code.
1922
1923 2005-08-28  Dale Johannesen  <dalej@apple.com>
1924
1925         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1926
1927 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1928
1929         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1930
1931 2005-08-28  Richard Henderson  <rth@redhat.com>
1932
1933         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1934         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1935         of char_type_node.
1936
1937 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1938
1939         PR ada/23593
1940         * builtins.c (get_memory_rtx): Don't strip nops
1941         in between COMPONENT_REFs.
1942
1943 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1944
1945         PR middle-end/23463
1946         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1947         types.
1948         (gimplify_modify_expr): Check for zero sized types and gimplify the
1949         rhs and lhs as statements.
1950
1951 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1952
1953         PR libgcj/23508
1954         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1955         state for return address column of signal frames.
1956
1957 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1958
1959         PR target/23539
1960         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1961         bytes >= 2 not bytes == 2.
1962         (expand_block_move): Same.
1963
1964 2005-08-27  Richard Guenther  <rguenther@suse.de>
1965
1966         PR target/23575
1967         * config/i386/sse.md (sse2_movsd): Add missing closing
1968         braces.
1969
1970 2005-08-27  Paul Brook  <paul@codesourcery.com>
1971
1972         * genrecog.c (enum decision_type): Add DT_num_insns.
1973         (struct decision_test): Add u.num_insns.
1974         (add_to_sequence): Add DT_num_insns test.
1975         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1976         (write_cond, debug_decision_2): Ditto.
1977         (change_state): Assume peep2_next_insn never fails.
1978         Remove "afterward" argument.
1979         (write afterward, write_tree): Update to match.
1980         * recog.c (peep2_current_count): New variable.
1981         (peep2_next_insn): Check it.
1982         (peephole2_optimize): Set peep2_current_count.
1983         * recog.h (peep2_current_count): Declare.
1984
1985 2005-08-26  Josh Conner  <jconner@apple.com>
1986
1987         PR middle-end/23584
1988         * ipa-pure-const.c (check_tree): Check for volatile-ness
1989         when considering a dereference.
1990
1991 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1992
1993         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1994
1995 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1996
1997         PR rtl-optimization/23561
1998         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1999         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2000         at most LEN bytes long memory fits into the field.
2001         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2002         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2003         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2004
2005 2005-08-26  Richard Henderson  <rth@redhat.com>
2006
2007         PR rtl-opt/23560
2008         * loop.c (biased_biv_may_wrap_p): New.
2009         (maybe_eliminate_biv_1): Use it to suppress non-equality
2010         comparison transformations.  Delete disabled code.
2011
2012 2005-08-26  Ian Lance Taylor  <ian@airs.com>
2013
2014         * combine.c (make_extraction): Avoid reference outside object.
2015
2016 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
2017
2018         * stor-layout.c (finalize_type_size): Restore behaviour for
2019         non-aggregate types to the status quo ante of the patch for
2020         pr 23467.  Document why it matters.
2021
2022 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2023
2024         PR c/23506
2025         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2026         array by one element, initialize the BT_LAST element with NULL.
2027
2028 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
2029
2030         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2031         optimizing for size.
2032         (plus_eqsi): Same.
2033         (compare_plus_eqsi): Same.
2034         (plus_eqsi_compare): Same.
2035         (neg_eq0<mode>): Same.
2036         (neg_eq<mode>): Same.
2037
2038         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2039         PROCESSOR_POWER4.
2040
2041 2005-08-26  Nick Clifton  <nickc@redhat.com>
2042
2043         * config/v850/v850.c (ep_memory_operand): Return FALSE if
2044         TARGET_EP is not defined.
2045         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2046         TARGET_EP is enabled.
2047         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2048         * config/v850/v850.md (save_all_interrupt): Only use the EP
2049         register if TARGET_EP is defined.
2050         (restore_all_interrupt): Likewise.
2051         * config/v850/lib1funcs.asm: Update functions so that the EP
2052         register is only used if __EP__ is defined.
2053
2054 2005-08-26  David Ung  <davidu@mips.com>
2055
2056         * config/mips/mips.c (mips_expand_prologue): Handle case when
2057         generating for MIPS16 and the outgoing argument area is more than
2058         SMALL_OPERAND. Use the frame pointer as temporary to generate the
2059         add instruction.
2060
2061 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
2062
2063         * config/crx/crx.md: Make doloop_end pattern usage controllable
2064         via mloop-nesting=<max-nesting> command line switch. Make sure
2065         the combiner cannot use doloop_end_<mode> in an illegal way.
2066         * config/crx/crx.c: Use regs up to r6 for argument passing.
2067         Refine crx_address_cost (non cst4 displacements are expensive).
2068         * config/crx/crx.opt: Add switch for mloop-nesting=.
2069
2070 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
2071
2072         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2073         (UNSPEC_MVST): New constant.
2074
2075 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
2076
2077         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2078         Reject operands containing eliminable registers.
2079         * testsuite/gcc.dg/20050825-1.c: New testcase.
2080
2081 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2082             Jan Hubicka  <jh@suse.cz>
2083
2084         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2085
2086 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2087
2088         PR tree-optimization/23546
2089         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2090         and REAL_CST nodes.
2091
2092 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
2093
2094         * params.def (PARAM_MIN_SPEC_PROB): New.
2095         * sched-rgn.c (MIN_PROBABILITY): Delete.
2096         (compute_trg_info): Convert to PARAM_VALUE.
2097         * doc/invoke.texi (param): Document min-spec-prob.
2098
2099 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
2100
2101         * config/darwin.h: define __PIC__
2102         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2103         TARGET_OS_CPP_BUILTINS macro.
2104
2105 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2106
2107         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2108         yesterday.
2109
2110 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2111
2112         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2113         to duplicate_block.
2114         * cfghooks.c (duplicate_block): Added position where to place
2115         new block as argument.
2116         * cfghooks.h (duplicate_block): Declaration changed.
2117         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
2118         duplicate_block.
2119         * cfglayout.h (copy_bbs): Declaration changed.
2120         * cfgloop.h (loop_version): Declaration changed.
2121         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2122         position to copy_bbs.
2123         (loop_version): Pass position to duplicate_loop_to_header_edge.
2124         Add place_after argument and position new blocks according to
2125         it.
2126         * modulo-sched.c (sms_schedule): Pass place_after argument
2127         to loop_version.
2128         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2129         * tree-cfg.c (split_edge_bb_loc): New function.
2130         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2131         to determine position of new blocks.
2132         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2133         to loop_version.
2134         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2135         argument to duplicate_block.
2136         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2137         Pass position to copy_bbs.
2138
2139 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2140
2141         * fold-const.c (ptr_difference_const): Use
2142         cst_and_fits_in_hwi instead of host_integerp.
2143
2144 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2145
2146         * config/darwin.c (gen_pic_offset): New.
2147         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
2148         Use it.
2149
2150 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
2151
2152         PR tree-optimization/23486
2153         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2154
2155 2005-08-23  Phil Edwards  <phil@codesourcery.com>
2156
2157         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
2158         remove use_collect2.
2159         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
2160
2161         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
2162         configuration files to override the default value.
2163
2164         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
2165         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2166         * config/vx-common.h:  New file, split out from...
2167         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
2168         * config/vxworksae.h:  New file, for VxWorks AE.
2169         * config/vxworks.opt:  New file.
2170         * config/vxlib.c:  Update for VxWorks 6.
2171
2172         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
2173         other MULTILIB_* variables appropriately.
2174         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
2175         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
2176         * config/rs6000/vxworks.h:  Update for VxWorks 6.
2177         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
2178
2179 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
2180
2181         PR target/20799
2182         * config/darwin.c (machopic_select_section): Remove the hack to
2183         mark "::operator new" and "::operator delete" for coalescing
2184         even though they are not weak.
2185
2186 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
2187
2188         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2189         * configure: Regenerate.
2190
2191 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2192
2193         PR middle-end/23517
2194         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2195         between vectors.
2196         * convert.c (convert_to_integer, convert_to_vector): Likewise.
2197         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2198         Likewise.
2199
2200 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2201
2202         * config/rs6000/predicates.md (equality_operator): New.
2203         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2204         comparison with a large constant.
2205
2206 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
2207
2208         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2209
2210 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
2211
2212         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2213         registers is even, and we have a hardware double precision fp,
2214         align the buffer.
2215         (sh_gimplify_va_arg_expr): For floating point arguments, consider
2216         size of current argument when checking if argument was passed in
2217         registers.
2218
2219         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2220
2221         PR middle-end/23467
2222         * stor-layout.c (finalize_type_size): Dont override
2223         existing alignment with a smaller alignment from the mode.
2224
2225 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2226
2227         * lambda-code.c (lambda_vector_lexico_pos): Moved...
2228         * lambda.h (lambda_vector_lexico_pos): ... here.
2229         * tree-data-ref.c (build_classic_dist_vector): Return false when
2230         the distance vector is lexicographically negative.
2231
2232 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2233
2234         PR tree-optimization/23511
2235         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2236         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2237
2238 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
2239
2240         PR tree-optimization/22043
2241         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2242         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2243         If ALLOW_FLEXARR, handle types ending with flexible array member.
2244         Pass false as second argument to recursive count_type_elements calls.
2245         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2246         argument to count_type_elements call.
2247         * tree-sra.c (decide_block_copy): Likewise.
2248         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2249         for a constant-sized object, set cleared as well.  Pass true as
2250         second argument to count_type_elements call.
2251
2252 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2253
2254         PR target/21571
2255         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2256         from legitimate_small_data_p, and make global.  Update use.
2257         Remove forward declaration.
2258         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2259         Declare.
2260         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2261
2262 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
2263
2264         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2265         of scratch intermediates.
2266         (eq<mode>_compare): Same.
2267         (neg_eq0<mode>): New.
2268         (neg_eq<mode>): Convert to define_insn_and_split.
2269
2270 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2271
2272         PR target/23070
2273         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2274         stdarg functions, set/clear the fp marker even when no variable
2275         args are passed.
2276         * config/rs6000/sysv4.opt (mprototype): Describe.
2277
2278 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
2279
2280         PR rtl-optimization/23478
2281         * regs.h (reg_info): Add throw_calls_crossed.
2282         (REG_N_THROWING_CALLS_CROSSED): Define.
2283         * flow.c (allocate_reg_life_data): Initialize
2284         REG_N_THROWING_CALLS_CROSSED.
2285         (propagate_one_insn, attempt_auto_inc): Update
2286         REG_N_THROWING_CALLS_CROSSED.
2287         * global.c (global_alloc): Don't allocate pseudos across
2288         calls that may throw.
2289
2290 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2291
2292         PR c/18715
2293         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2294         value is inbetween the range if we did not find an exact match.
2295
2296 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
2297
2298         * doc/invoke.texi (Option Summary): Add ms1 options.
2299         * doc/extend.texi: Document interrupt handler attribute for ms1.
2300         * doc/md.texi: Document ms1 constraints.
2301         * config.gcc: Add ms1-*-elf.
2302         * config/ms1/ms1.h: New.
2303         * config/ms1/ms1.c: New.
2304         * config/ms1/ms1.md: New.
2305         * config/ms1/ms1-protos.h: New.
2306         * config/ms1/ABI.txt: New.
2307         * config/ms1/crti.asm: New.
2308         * config/ms1/crtn.asm: New.
2309         * config/ms1/lib2extra-funcs.c: New.
2310         * config/ms1/t-ms1: New.
2311         * config/ms1/ms1.opt: New.
2312
2313 2005-08-22 Ira Rosen <irar@il.ibm.com>
2314
2315         * config/rs6000/altivec.md (xorv4sf3): New.
2316         (negv4sf2, neg<mode>2): Likewise.
2317
2318 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
2319
2320         PR target/23485
2321         * config/ia64/ia64.md (divsi3): Check divide by zero.
2322         (udivsi3): Likewise.
2323         (divdi3): Likewise.
2324         (udivdi3): Likewise.
2325
2326 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
2327
2328         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2329         up to elem_bitsize bits, not max_bitsize.
2330
2331 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2332
2333         PR tree-optimization/23433
2334         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2335         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2336
2337 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2338
2339         PR tree-optimization/23434
2340         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2341         the iteration bound is not an INTEGER_CST.
2342
2343 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
2344
2345         * tree-vect-transform.c (get_initial_def_for_reduction): Set
2346         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2347         NULL if need_epilog_adjust is false.
2348         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2349         Case 3 always peels first itration, not just for PLUS case, and no need
2350         to use scalar_initial_def here. Create an epilog adjustment only if
2351         scalar_initial_def is not NULL.
2352
2353         (vectorizable_reduction): Remove assert.
2354
2355 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2356
2357         PR target/23485
2358         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2359         (__moddi3): Likewise.
2360         (__udivdi3): Likewise.
2361         (__umoddi3): Likewise.
2362         (__divsi3): Likewise.
2363         (__modsi3): Likewise.
2364         (__udivsi3): Likewise.
2365         (__umodsi3): Likewise.
2366
2367 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
2368
2369         * tree-pass.h (TDF_GRAPH): Define.
2370         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2371         * passes.c (finish_optimization_passes): Only call
2372         finish_graph_dump_file if TDF_GRAPH is set.
2373         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2374         NULL.  Set TDF_GRAPH bit.
2375         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2376
2377 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
2378
2379         * arm.h (arm_stack_offsets): Add locals_base field.
2380         * arm.c (arm_get_frame_offsets): Compute it.
2381         (thumb_compute_initial_elimination offset): Make the Thumb frame
2382         pointer point to the base of the local variables.
2383         (thumb_expand_prologue): Update accordingly.
2384         (thumb_expand_epilogue): Likewise.
2385
2386         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
2387         mode of clobbered scratch to DImode.  Handle a case that's known to
2388         need this.
2389
2390 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
2391
2392         * config/rs6000/rs6000.md (gt0<mode>): Delete.
2393         (gt0<mode>_compare): Delete.
2394         (neg_gt0<mode>): Delete.
2395
2396 2005-08-19  Eric Christopher  <echristo@apple.com>
2397
2398         * optabs.h: Change CTI_ to COI_.
2399         * optabs.c: Ditto.
2400
2401 2005-08-19  James E Wilson  <wilson@specifix.com>
2402
2403         * builtins.c (expand_builtin_return_addr): Set
2404         current_function_accesses_prior_frames when count != 0.  Use
2405         frame_pointer_rtx when count == 0.
2406         * function.h (struct function): Add accesses_prior_frames field.
2407         (current_function_accesses_prior_frames): Define.
2408         * reload1.c (init_elim_table): Check
2409         current_function_accesses_prior_frames.
2410         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2411
2412 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2413
2414         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2415         indicator.  Return true if the flowgraph changed during
2416         cleanup.
2417
2418 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2419
2420         PR 23476
2421         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2422         conditional expression before testing its value.
2423
2424 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2425
2426         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2427
2428 2005-08-19  Devang Patel  <dpatel@apple.com>
2429
2430         PR tree-optimization/23048
2431         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2432         third parameter. Check whether latch is dominated by exit
2433         block or not.
2434         (if_convertible_loop_p): Supply exit block itself to
2435         if_convertible_bb_p.
2436
2437 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
2438
2439         PR target/23473
2440         * arm.md (arm_load_pic_register): Change argument to the mask of
2441         saved registers.  Call thumb_find_work_register if we need a
2442         scratch register on Thumb.
2443         (arm_expand_prologue): Pass empty register set to
2444         arm_load_pic_register.
2445         (thumb_expand_prologue): Pass live_regs_mask directly to
2446         arm_load_pic_register.
2447         * arm-protos.h (arm_load_pic_register): Update prototype.
2448
2449 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
2450
2451         * sh.c (find_sole_member): New function.
2452         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2453         if the record's alignment is larger than the size of its only member.
2454
2455 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
2456
2457         PR target/23436
2458         * arm.c (thumb_legitimize_reload_address): New function.
2459         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2460         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2461
2462 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
2463
2464         * config/crx/crx.c: Implement crx_decompose_address. Reject
2465         symbolic displacements since CRX register relative adressing
2466         mode can't handle unsigned 32-bit values as displacements.
2467         * config/crx/crx.h: Simplify definitions, remove redundant
2468         parenthesis and obsolete macros.
2469         * config/crx/crx.opt: Add new switch for debugging addresses.
2470         * config/crx/crx-protos.h: Add new declarations for above.
2471
2472 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
2473
2474         PR middle-end/20624
2475         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2476         looking past it.
2477
2478 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2479
2480         * collect2.c (dup2): Delete.
2481         * configure.ac: Don't check for dup2.
2482
2483         * config.in, configure: Regenerate.
2484
2485 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
2486
2487         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2488         record with the type of its only member.
2489
2490 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
2491
2492         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2493         define_insn_and_split.
2494         (plus_ltu<mode>_compare): Same.
2495         (gtu<mode>_compare): Same.
2496         (plus_gtu<mode>_compare): Same.
2497
2498 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
2499
2500         PR tree-optimization/22228
2501         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2502         todo_flags_start.
2503         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2504         are recorded in vect_vnames_to_rename for renaming.
2505         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2506         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2507         in vect_vnames_to_rename.
2508         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2509         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2510
2511 2005-08-18  Jan Hubicka  <jh@suse.cz>
2512
2513         PR c++/22034
2514         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2515         info only for local statics, not for member variables.
2516
2517 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2518
2519         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2520
2521 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2522
2523         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2524
2525 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
2526
2527         PR middle-end/16045
2528         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2529
2530 2005-08-17  James E Wilson  <wilson@specifix.com>
2531
2532         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2533         array size check.
2534
2535 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
2536
2537         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2538         (leu<mode>_compare): Same.
2539         (plus_leu<mode>): Same.
2540         (neg_leu<mode>): Same.
2541         (and_neg_leu<mode): Same.
2542         (ltu<mode>_compare): Same.
2543         (plus_ltu<mode>): Same.
2544         (geu<mode>): Same.
2545         (geu<mode>_compare): Same.
2546         (plus_geu<mode>): Same.
2547         (neg_geu<mode>): Same.
2548         (and_neg_geu<mode>): Same.
2549         (plus_gt<mode>): Same.
2550         (gtu<mode>_compare): Same.
2551         (plus_gtu<mode>): Same.
2552
2553 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
2554
2555         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2556         Move call_table_data to end.  Delete spurious .text.
2557         (callt_save_all_interrupt): Fix comment typo.
2558
2559 2005-08-17  James E Wilson  <wilson@specifix.com>
2560             Kevin Winchester  <winchester@amirix.com>
2561
2562         PR target/21684
2563         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2564
2565 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
2566
2567         PR target/23268
2568         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2569         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2570
2571 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
2572
2573         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2574         record with the type of its only member if the modes don't match.
2575
2576         * varasm.c (decode_reg_name): Skip empty additional register names.
2577
2578 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
2579
2580         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2581         lsm_tmp_name_length): New.
2582         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2583         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2584
2585 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2586             Andreas Krebbel  <krebbel1@de.ibm.com>
2587
2588         * config.gcc: Added z9-109 switch.
2589         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2590         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2591         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2592         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2593         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2594         for "z9_109" cpu attribute.
2595         * config/s390/s390.c (z9_109_cost): New processor cost structure.
2596         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2597         (s390_handle_arch_option): Added z9-109 switch.
2598         (override_options): Set respective cost function for z9-109.
2599         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2600         (legitimate_reload_constant_p): Accept extended immediates.
2601         (print_operand): Three new output modifiers added: k, m and o.
2602         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2603         (s390_output_mi_thunk): Use extended immediate when possible.
2604         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2605         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2606         (CONSTRAINT_LEN): Added length of O constraint.
2607         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2608         * config/s390/s390.md ("cpu"): New value z9_109 added.
2609         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2610         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2611         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2612         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2613         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2614         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2615         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2616         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2617         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2618         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2619         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2620         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2621         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2622         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2623         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2624         immediates.
2625         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2626         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2627         insns for TARGET_EXTIMM.
2628
2629 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2630
2631         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2632
2633 2005-08-17  Nick Clifton  <nickc@redhat.com>
2634
2635         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2636         Call default_encode_section_info.
2637
2638 2005-08-17  Steven Bosscher  <stevenb@suse.de>
2639
2640         PR tree-optimization/21574
2641         * tree-ssa-ccp.c (likely_value): If the right hand side is a
2642         constant, return CONSTANT.
2643         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2644         (ccp_fold, visit_assignment): Likewise.
2645         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2646
2647 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2648
2649         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2650         fold_buildN instead of buildN then fold_initializer or fold.
2651         (build_unary_op): Likewise.
2652         (build_binary_op): Likewise.
2653         * fold-const.c (fold_initializer): Remove.
2654         (fold_build1_initializer): New function.
2655         (fold_build2_initializer): New function.
2656         (fold_build3_initializer): New function.
2657         * tree.h (fold_initializer): Remove.
2658         (fold_build1_initializer): New function.
2659         (fold_build2_initializer): New function.
2660         (fold_build3_initializer): New function.
2661
2662 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2663
2664         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2665         (try_move_mult_to_index): Call fold_build2 instead of build2.
2666         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2667         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2668         fold_binary_to_constant.
2669         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2670         fold (build.
2671         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2672         check if A == gcd (A, B).  Remove TYPE argument.
2673         (analyze_offset) Use fold_build2 instead of fold (build.
2674         (create_data_ref): Likewise.
2675         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2676         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2677         then fold.
2678
2679 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
2680
2681         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2682         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2683
2684 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
2685
2686         PR tree-opt/23402
2687         * gimplify.c (zero_sized_type): New function.
2688         (gimplify_modify_expr_rhs): If we have a zero sized type,
2689         replace the statement with an empty statement.
2690
2691 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
2692
2693         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2694         fxsave.
2695
2696 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2697
2698         * doc/tm.texi (Label Output): Correct typo.
2699
2700 2005-08-16  Steven Bosscher  <stevenb@suse.de>
2701
2702         PR target/23376
2703         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2704         force_operand will work later on using have_insn_for.
2705
2706 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2707
2708         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2709
2710 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2711
2712         PR c++/23337
2713         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2714         vector type, don't try to construct it element by element.  Add an
2715         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2716
2717 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2718
2719         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2720
2721 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
2722
2723         * doc/invoke.texi (Precompiled Headers): Document some more options
2724         which are known to be safe.
2725
2726 2005-08-16  James E Wilson  <wilson@specifix.com>
2727
2728         PR tree-optimization/21105
2729         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2730         TREE_OVERFLOW check.
2731
2732 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
2733
2734         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2735         (neg_ltu<mode>): Same.
2736         (gtu<mode>): Same.
2737         (neg_gtu<mode>): Same.
2738
2739 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2740
2741         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2742         (fold_builtin_isdigit): Use fold_buildN.
2743         (build_function_call_expr): Likewise.
2744         * c-typeck.c (c_finish_loop): Likewise.
2745
2746 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
2747             Richard Shann <rshann@superh.com>
2748
2749         PR middle-end/20396:
2750         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2751
2752 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
2753
2754         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2755
2756 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2757
2758         PR target/23355
2759         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2760         arm_compure_save_reg0_reg12_mask to determine when the PIC register
2761         must be saved.
2762
2763 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2764
2765         PR middle-end/23369
2766         * fold-const.c (build_range_check): Disable optimization for function
2767         pointer expressions on targets that require function pointer
2768         canonicalization.
2769
2770 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2771
2772         * simplify-rtx.c (simplify_const_relational_operation): When
2773         extracting arguments of a COMPARE, recompute the mode as well.
2774
2775 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2776
2777         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2778
2779 2005-08-15  DJ Delorie  <dj@redhat.com>
2780
2781         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2782         the stack.
2783         (movsi_splittable): Allow, but split, moves to the stack.
2784         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2785         stack.
2786
2787 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2788
2789         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2790         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2791         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2792
2793         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2794         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2795         Delete HOST_PTR_PRINTF.
2796
2797         * configure, config.in: Regenerate.
2798
2799 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2800
2801         * config/rs6000/rs6000.md (QHSI): New mode macro.
2802         (wd): Extend mode attr for QImode and HImode
2803         (dbits): New mode attr.
2804         (zero_extend<mode>di2): Convert to mode macro.
2805
2806 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2807
2808         PR target/21841
2809         * doc/invoke.texi (-mgnu-ld): Update description.
2810         (-mhp-ld): Ditto.
2811
2812 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2813
2814         PR 23391
2815         * Makefile.in (tree-chrec.o): Depends on real.h.
2816         * tree-chrec.c: Include real.h.
2817         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2818         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2819         * tree-scalar-evolution.c (add_to_evolution_1,
2820         interpret_rhs_modify_expr): Ditto.
2821
2822 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2823
2824         PR 23386
2825         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2826         step is negative compute the estimation from init downwards to zero.
2827
2828 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2829
2830         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2831
2832 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2833
2834         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2835         constraint.
2836         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2837         Accept double-word constants that can be split.
2838         * config/s390/s390.md ("movti"): Use 'P' constraint.
2839         ("*movdi_31", "*movdf_31"): Likewise.
2840
2841 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2842
2843         Fix PR tree-optimization/22615
2844
2845         * tree-ssa-structalias.c (solution_set_add): Handle
2846         first_vi_for_offset returning NULL.
2847         (do_da_constraint): Ditto.
2848         (do_sd_constraint): Ditto.
2849         (do_ds_constraint): Ditto
2850         (find_func_aliases): Ditto.
2851         (build_constraint_graph): RHS is allowed be ANYTHING.
2852         (first_vi_for_offset): Return NULL if we couldn't find anything at
2853         the offset.
2854
2855 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2856
2857         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2858         over memory as first operand.
2859
2860 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2861
2862         PR target/23360
2863         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2864         available for setting it.
2865
2866 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2867
2868         PR tree-optimization/23320
2869         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2870         data-refs' types instead of base object nullness. Add check for
2871         pointer type data-refs before first location comparison. Remove
2872         assert.
2873
2874 2005-08-14  Andreas Schwab  <schwab@suse.de>
2875
2876         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2877
2878 2005-08-13  James E Wilson  <wilson@specifix.com>
2879
2880         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2881         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2882         -fstack-protector-all, --param ssp-buffer-size): Document.
2883         (-Wvariadic-macros): Alphabetize.
2884         (-fsched-stalled-insns-dep): Add missing 'f'.
2885
2886         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2887         macros.
2888
2889 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2890
2891         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2892         or indirect address operand.
2893         (EXTRA_ADDRESS_CONSTRAINT): New.
2894         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2895
2896 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2897
2898         PR tree-optimization/22236
2899         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2900         successors and predecessors.
2901         * tree-chrec.c (chrec_convert): Before converting, check that
2902         sequences don't wrap.
2903         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2904         (analyze_array): Extern.
2905         (find_data_references_in_loop): Remove call to
2906         compute_estimated_nb_iterations.
2907         * tree-data-ref.h (analyze_array): Declared.
2908         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2909         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2910         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2911         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2912         condition.
2913         * tree-ssa-loop-ivcanon.c: Fix documentation.
2914         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2915         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2916         (infer_loop_bounds_from_undefined): New.
2917         (estimate_numbers_of_iterations_loop): Use
2918         infer_loop_bounds_from_undefined.
2919         (used_in_pointer_arithmetic_p): New.
2920         (scev_probably_wraps_p): Pass an extra parameter.  Call
2921         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2922         (convert_step): Fix documentation.
2923         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2924         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2925         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2926         scev_probably_wraps_p.
2927
2928 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2929
2930         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2931         (s390_register_info): Ignore clobbered_regs information for fixed
2932         registers, and only fixed registers.
2933         (s390_init_frame_layout): Remove redundant call.
2934
2935 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2936
2937         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2938         description of -Wold-style-casts.
2939
2940 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2941             Jakub Jelinek  <jakub@redhat.com>
2942
2943         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2944         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2945         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2946         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2947         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2948         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2949         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2950         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2951         ("stack_protect_set", "stack_protect_test"): New expanders.
2952         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2953         "stack_protect_testdi"): New insn definitions.
2954
2955 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2956
2957         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2958
2959 2005-08-12  Paul Brook  <paul@codesourcery.com>
2960
2961         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2962
2963 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2964
2965         * config/s390/predicates.md (setmem_operand): New predicate.
2966         (shift_count_operand): Accept ANDs with special constants as
2967         operand.
2968         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2969         with special constants.
2970         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2971         shift_count_operand with setmem_operand.
2972
2973 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2974
2975         * config/s390/s390.c (s390_extract_part, s390_single_part):
2976         Type cast added.
2977         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2978         (s390_output_mi_thunk): Don't use lg on 31 bit.
2979         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2980         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2981
2982 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2983
2984         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2985         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2986         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2987         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2988         with one of the new macros.
2989
2990 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2991
2992         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2993         Don't set save_return_addr_p.
2994         (s390_register_info): Make clobbered_regs not depending on
2995         save_return_addr_p.
2996
2997 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2998
2999         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3000         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3001
3002 2005-08-11  James E. Wilson  <wilson@specifix.com>
3003
3004         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3005
3006 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
3007
3008         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3009         locations gathered by var-tracking in single entry loc_list
3010         over loc_descriptor_from_tree.
3011
3012         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3013         pass it down to loc_descriptor.
3014         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3015         (containing_function_has_frame_base): Move earlier in the file.
3016         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3017         instead of always assuming fbreg can't be used.
3018
3019 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
3020
3021         * config/rs6000/altivec.md: Change constraint "m" to "Z".
3022         * config/rs6000/predicates.md (indexed_or_indirect_operand):
3023         Accept address wrapped in AND for Altivec.
3024         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3025         Strip AND wrapping offset address for Altivec.
3026
3027 2005-08-11  Richard Henderson  <rth@redhat.com>
3028
3029         PR middle-end/23312
3030         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3031         before using TYPE_IS_SIZETYPE.
3032
3033 2005-08-11  Richard Henderson  <rth@redhat.com>
3034
3035         PR target/22225
3036         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3037         insn types not present on ev4.
3038         (alphaev5_insn_pipe): Similarly.
3039
3040 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3041
3042         PR target/23250
3043         * arm.c (arm_override_options): If the user has selected callee-super-
3044         interworking, then enable normal interworking.
3045
3046 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3047
3048         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3049         redefinition.
3050
3051 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
3052
3053         * doc/rtl.texi: Fix two typos.
3054
3055 2005-08-11  Richard Guenther  <rguenther@suse.de>
3056
3057         PR target/23289
3058         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3059         cases where we call to/from functions returning void.
3060
3061 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
3062
3063         PR c++/23225
3064         * tree.c (build_pointer_type_for_mode): Robustify.
3065
3066 2005-08-10  James E Wilson  <wilson@specifix.com>
3067
3068         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3069         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3070
3071         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3072         "cum->".
3073
3074 2005-08-10  Eric Christopher  <echristo@apple.com>
3075
3076         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3077         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3078         V2DFmode.
3079
3080 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
3081
3082         PR target/21887
3083         * config/darwin.c (machopic_indirect_data_reference): Use a new register
3084         for the high part when generating dynamic-no-pic code.
3085
3086 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3087
3088         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3089         (x86_64-*-linux*): Likewise.
3090
3091         * config/i386/crtfastmath.c: New file.
3092         * config/i386/t-crtfm: Likewise.
3093
3094         * config/i386/linux.h (ENDFILE_SPEC): New.
3095         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3096
3097         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3098         crtfastmath.o.
3099
3100 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3101
3102         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3103         (vec_shl, vec_shr): Document new operations.
3104         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3105
3106 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
3107
3108         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3109         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3110         change predicate to indexed_or_indirect_address.
3111
3112 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
3113
3114         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3115         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3116         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3117         and __aeabi_uwrite8.
3118         * config/arm/unaligned-funcs.c: New file.
3119         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3120
3121 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
3122
3123         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3124         Add dump.
3125         * cfglayout.c (pass_insn_locators_initialize): Add dump.
3126         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3127         Add dump.
3128         * except.c (pass_convert_to_eh_region_ranges): Add dump.
3129         * final.c (pass_shorten_branches): Add dump.
3130         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3131         (pass_life): Rename dump.
3132         (rest_of_handle_flow2): Remove initial verify_flow_info.
3133         * function.c (pass_instantiate_virtual_regs): Add dump.
3134         * integrate.c (pass_initial_value_sets): Add dump.
3135         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3136         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3137         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3138         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3139         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3140         gate_rtl_unrool_and_peel_loops): New.
3141         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3142         rtl_doloop): Do not look at flags.
3143         * mode-switching.c (pass_mode_switching): Add dump.
3144         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3145         pass_split_before_regstack): Add dump.
3146         * regmove.c (pass_stack_adjustments): Add dump.
3147         * tree-optimize.c (pass_fixup_cfg): Add dump.
3148
3149 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3150
3151         PR 23309
3152         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3153         deciding which instruction sequence to use.
3154
3155 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
3156
3157         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3158         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3159
3160 2005-08-09  Richard Guenther  <rguenther@suse.de>
3161
3162         * c-common.c (builtin_function_2): Remove.
3163         (def_builtin_1): New function.
3164         (c_common_nodes_and_builtins): Use def_builtin_1 to
3165         build builtin functions.
3166
3167 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
3168
3169         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3170         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3171         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3172         Visual DSP.
3173
3174 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3175
3176         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3177         fold_binary instead of fold_build2 since we don't care about the
3178         resulting tree.
3179         (loop_niter_by_eval): Likewise.
3180         (compare_trees): Likewise.
3181         (proved_non_wrapping_p): Likewise.
3182
3183 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3184
3185         PR c/23161
3186         PR c/23165
3187         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3188         if the if is really empty.
3189
3190 2005-08-09  Steven Bosscher  <stevenb@suse.de>
3191
3192         PR tree-optimization/23234
3193         * tree-ssa-math-opts.c (place_reciprocal): New enum.
3194         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3195         argument of the new enum.
3196         (execute_cse_reciprocals): Add reciprocals for function arguments
3197         on the unique successor edge of the entry block.  Update other calls
3198         to execute_cse_reciprocals_1.
3199
3200 2005-08-08  Richard Henderson  <rth@redhat.com>
3201
3202         PR 22439
3203         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3204
3205 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
3206
3207         * expr.c (write_complex_part): Return after handling MEM.
3208
3209 2005-08-08  Josh Conner  <jconner@apple.com>
3210
3211         PR rtl-optimization/23241
3212         * combine.c (simplify_comparison): Fix error in determining
3213         whether to lift a subreg from comparison.
3214
3215 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
3216
3217         PR target/18506
3218         * config/rs6000/altivec.md (vec_init<mode>): New.
3219         (vec_set<mode>): New.
3220         (vec_extract<mode>): New.
3221         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3222         (rs6000_expand_vector_set): New.
3223         (rs6000_expand_vector_extract): New.
3224         (rs6000_legitimate_offset_address_p): Offset addresses are valid
3225         for Altivec modes before reload.
3226         (altivec_expand_vec_init_builtin): New.
3227         (get_element_number): New.
3228         (altivec_expand_vec_set_builtin): New.
3229         (altivec_expand_vec_ext_builtin): New.
3230         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3231         builtins.
3232         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3233         builtins.
3234         * config/rs6000/rs6000.h (rs6000_builtins): Add
3235         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3236         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3237         * config/rs6000/rs6000-protos.h: Declare new functions.
3238
3239 2005-08-08  Jan Hubicka  <jh@suse.cz>
3240
3241         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3242         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3243         * i386.md (movdi*): Use pic_32bit_operand.
3244         * predicates.md (pic_32bit_operand): New.
3245
3246 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
3247
3248         PR c++/21166
3249         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3250
3251 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
3252
3253         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3254         (test_for_singularity): Use fold_build2.
3255
3256 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3257
3258         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3259
3260 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
3261
3262         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3263         (COMMON_ASM_OP) Define.
3264         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3265         (ix86_encode_section_info): Likewise.
3266         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3267         SUBTARGET_ENCODE_SECTION_INFO.
3268
3269 2005-08-06  Richard Henderson  <rth@redhat.com>
3270
3271         PR 21894
3272         * tree-nested.c (convert_local_reference): Save and restore val_only
3273         around component_ref and friends.  Clear walk_subtrees by default.
3274
3275 2005-08-06  Peter O'Gorman  <peter@pogma.com>
3276
3277         PR 21366
3278         * gcc.c (process_command): Check the argument to -b has a dash.
3279         * doc/invoke.texi: Update -b and -V docs.
3280
3281 2005-08-06  James E Wilson  <wilson@specifix.com>
3282
3283         * config/mips/cross64.h, config/mips/t-cross64: Delete.
3284
3285 2005-08-06  Michael Matz  <matz@suse.de>
3286
3287         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3288         member only if only one insn is associated with the value.
3289
3290 2005-08-06  Nick Clifton  <nickc@redhat.com>
3291
3292         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3293         New define.
3294         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3295         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3296         Check symbol flags instead of symbol name mangling.
3297         (xstormy16_asm_output_aligned_common): Likewise.  Also
3298         simplify code since the bss100_section cass is the only case
3299         where the below100 code will be triggered.
3300         (xstormy16_encode_section_info): Encode below100 attribute
3301         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3302         the name.
3303         (xstormy16_strip_name_encoding): Delete - this function is no
3304         longer needed.
3305         (TARGET_STRIP_NAME_ENCODING): Undefine.
3306         * config/stormy16/stormy16-protos.h: Delete prototype for
3307         xstormy16_strip_name_encoding.
3308
3309 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
3310
3311         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3312         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3313         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3314         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3315         config/alpha/predicates.md, config/arc/arc.h,
3316         config/arm/arm.h, config/arm/ieee754-df.S,
3317         config/arm/ieee754-sf.S, config/bfin/bfin.c,
3318         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3319         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3320         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3321         config/m68hc11/m68hc11.h, config/mips/mips.c,
3322         config/mips/mips.h, config/mips/openbsd.h,
3323         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3324         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3325         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3326         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3327         config/sparc/linux.h, config/sparc/linux64.h,
3328         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3329         doc/extend.texi, doc/gcov.texi, doc/install.texi,
3330         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3331         typos.  Follow spelling conventions.
3332
3333 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
3334
3335         PR c/23113
3336         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3337         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3338         specially.  Check for side effects only for COND_EXPR.
3339         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3340         return with TREE_NO_WARNING.
3341
3342 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
3343
3344         PR rtl-optimization/23233
3345         * loop.c (combine_movables): Require the modes to be the same.
3346         (move_movables): Remove handling of cases where the replacement
3347         had a different mode to the original.
3348
3349 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
3350
3351         PR tree-optimization/23128
3352         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3353         subtraction wrap, and set TREE_OVERFLOW if they do.
3354
3355 2005-08-05  Richard Henderson  <rth@redhat.com>
3356
3357         PR 21728
3358         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3359         FORCED_LABEL labels.
3360
3361 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
3362
3363         PR middle-end/23135
3364         * reload.c (find_reloads_subreg_address): Pass down TYPE
3365         unchanged.  Change all callers except find_reloads_toplev.
3366
3367 2005-08-05  Michael Matz  <matz@suse.de>
3368
3369         * genattrtab.c (current_alternative_string): Remove.
3370         (SIMPLIFY_ALTERNATIVE): Ditto.
3371         (attr_alt_bit_p): Ditto.
3372         (alternative_name): Make const char *.
3373         (evaluate_eq_attr): Remove use of above things.
3374         (simplify_test_exp): Ditto.
3375         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3376         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3377
3378 2005-08-04  James E Wilson  <wilson@specifix.com>
3379
3380         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3381         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3382         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3383         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3384         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3385
3386 2005-08-04  Richard Henderson  <rth@redhat.com>
3387
3388         PR 21529
3389         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3390         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3391         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
3392         if we'd have to instantiate too many members.
3393
3394 2005-08-04  Richard Henderson  <rth@redhat.com>
3395
3396         PR 21291
3397         * tree-outof-ssa.c (coalesce_asm_operands): New.
3398         (coalesce_ssa_name): Use it.  Split out ...
3399         (coalesce_phi_operands, coalesce_result_decls): ... these.
3400
3401 2005-08-04  Paul Brook  <paul@codesourcery.com>
3402
3403         * read-rtl.c (read_quoted_string): Break if EOF.
3404
3405 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
3406
3407         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3408         (fold_build2): Likewise.
3409         (fold_build3): Likewise.
3410         (fold_build1_stat): New function prototype.
3411         (fold_build2_stat): Likewise.
3412         (fold_build3_stat): Likewise.
3413         * fold-const.c (fold_build1): Rename to ..
3414         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3415         through to build1_stat.
3416         (fold_build2): Rename to ..
3417         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3418         through to build2_stat.
3419         (fold_build3): Rename to ..
3420         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3421         through to build3_stat.
3422
3423 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
3424             Ian Lance Taylor  <ian@airs.com>
3425
3426         * function.c (assign_stack_local_1): Do not correct stack slot
3427         address if allocation size is smaller than mode size.
3428
3429 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
3430
3431         PR 22037
3432         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3433         (tree_merge_blocks): Propagate anything allowed by
3434         may_propagate_copy.
3435         Clarify documentation.
3436         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3437         SSA form, schedule an update if necessary.
3438
3439 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
3440
3441         * doc/install.texi (Binaries): Remove broken link to
3442         Sinix/Reliant Unix binaries.
3443
3444 2005-08-03  Richard Henderson  <rth@redhat.com>
3445
3446         PR 23221
3447         * function.c (stack_protect_epilogue): Export.
3448         * tree.h (stack_protect_epilogue): Declare.
3449         * calls.c (expand_call): Call it.
3450
3451 2005-08-03  Eric Christopher  <echristo@apple.com>
3452
3453         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3454         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3455         spec.
3456
3457 2005-08-04  Jan Hubicka  <jh@suse.cz>
3458
3459         * profile.c (branch_prob): Split edges with goto locus on them
3460         to get proper line counts.
3461         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3462
3463 2005-08-03  Paul Brook  <paul@codesourcery.com>
3464
3465         * function.c (assign_parms): Round current_function_args_size
3466         to PARM_BOUNDARY, not STACK_BOUNDARY.
3467
3468 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
3469
3470         * config/i386/i386.c (x86_elf_aligned_common)
3471         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3472
3473 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
3474
3475         PR tree-optimization/23157
3476         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3477         before emitting them.
3478
3479 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3480
3481         PR tree-optimization/19899
3482         * Makefile.in (tree-scalar-evolution.o): Add real.h.
3483         * tree-scalar-evolution.c: Include real.h.
3484         (add_to_evolution): Build constant -1 of correct type.
3485
3486 2005-08-03  Jan Hubicka  <jh@suse.cz>
3487
3488         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3489         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3490         profile updating for complette unrolling.
3491         * loop-unroll.c (peel_loop_completely): Use it.
3492         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3493         (tree_unroll_loops_completely): Disable code growing unrolling of cold
3494         loops.
3495
3496 2005-08-03  Paul Brook  <paul@codesourcery.com>
3497
3498         * combine.c (can_change_dest_mode): New function.
3499         (try_combine, simplify_set): Use it.
3500
3501 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
3502
3503         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3504         TFmode to BLKmode.
3505
3506 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
3507
3508         * doc/install.texi (Specific): Adjust link to openavr.org.
3509         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3510         (Binaries): Adjust HP-UX Porting Center link.
3511         (Binaries): Adjust Free Software Foundation ordering link.
3512
3513 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
3514
3515         * convert.c (convert_to_integer): Use fold_build1 instead of
3516         build1 when converting an integer to an integer.
3517
3518 2005-08-02  Richard Henderson  <rth@redhat.com>
3519
3520         * combine.c (combine_instructions): Don't use reg_equal/equiv
3521         results if the mode doesn't match.
3522
3523 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
3524
3525         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3526         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3527
3528 2005-08-02  Richard Henderson  <rth@redhat.com>
3529
3530         PR 23196
3531         * explow.c (memory_address): Remove special-case for
3532         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3533
3534 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
3535
3536         PR 23164
3537         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3538         number of calls to cleanup_tree_cfg_1.
3539
3540 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
3541
3542         * doc/invoke.texi: document file extensions .F90 and .F95
3543
3544 2005-08-02  Richard Guenther  <rguenther@suse.de>
3545
3546         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3547         positive if its first argument is positive.
3548
3549 2005-08-02  Richard Guenther  <rguenther@suse.de>
3550
3551         PR tree-optimization/23177
3552         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3553         on TMR_TAG.
3554
3555 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
3556
3557         PR tree-optimization/23129
3558         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3559         varying for divisions with anti-ranges.
3560
3561 2005-08-02  Jan Hubicka  <jh@suse.cz>
3562
3563         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3564         * tree-ssa-threadupdate.c (thread_block): Add it here.
3565
3566 2005-08-01  James E Wilson  <wilson@specifix.com>
3567
3568         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3569         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3570         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3571         New.
3572         * config/mips/predicates.md (const_call_insn_operand): Add check for
3573         SYMBOL_REF_LONG_CALL_P.
3574         * doc/extend.texi (long_call): Document the new attribute.
3575
3576 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3577             Richard Henderson  <rth@redhat.com>
3578
3579         * Makefile.in (RTL_BASE_H): Add real.h.
3580         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3581         instead of memcpy.
3582         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3583         directly.
3584         * rtl.c (rtl_check_failed_code_mode): New.
3585         * rtl.h (struct rtx_def): Add u.rv.
3586         (XCMWINT, XCNMPRV): New.
3587         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3588         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3589
3590 2005-08-01  Richard Henderson  <rth@redhat.com>
3591
3592         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3593         with auto-inc codes.
3594
3595         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3596
3597 2005-08-01  Jan Hubicka  <jh@suse.cz>
3598
3599         * i386-protos.h (asm_preferred_eh_data_format): Declare.
3600         * i386.c: Include dwarf2.h
3601         (asm_preferred_eh_data_format): New.
3602         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3603
3604 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3605
3606         * config/host-linux.c (linux_gt_pch_get_address): Add new name
3607         randomize_va_space for virtual address randomization control.
3608
3609 2005-08-01  Steven Bosscher  <stevenb@suse.de>
3610
3611         * common.opt (flag_ipa_cp): Put in right place to maintain
3612         alphabetic sort.
3613
3614 2005-08-01  Jan Hubicka  <jh@suse.cz>
3615
3616         * profile.c (compute_value_histograms): Fix thinko.
3617         * value-prof.c: Include toplev.h
3618         (check_counter): New function.
3619         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3620         tree_mod_subtract_transform): Add sanity check.
3621
3622 2005-08-01  Richard Guenther  <rguenther@suse.de>
3623
3624         PR tree-optimization/23133
3625         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3626         current functions parameter decls to find defs to cse
3627         reciprocals of.
3628
3629 2005-08-01  Richard Guenther  <rguenther@suse.de>
3630
3631         PR tree-optimization/23109
3632         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3633         If trapping math is in effect, use post-dominator information
3634         to check if we'd in any case reach a trapping point before
3635         doing the reciprocal insertion.
3636         (execute_cse_reciprocals): Compute post-dominators, if necessary.
3637         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3638         expressions are invariant only if trapping math is not in effect.
3639
3640 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3641
3642         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3643         cgraph_function_versioning): New declarations.
3644         * cgraphunit.c: Add include to ipa-prop.h.
3645         (update_call_expr, cgraph_copy_node_for_versioning,
3646         cgraph_function_versioning): New functions.
3647         * integrate.c (copy_decl_for_inlining): Remove.
3648         * ipa-prop.h (ipa_replace_map): New struct.
3649         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3650         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3651         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3652         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3653         ipcp_iterate_stage, ipcp_method_scale_print,
3654         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3655         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3656         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3657         ipcp_update_bb_counts, ipcp_update_profiling,
3658         ipcp_update_edges_counts): New functions.
3659         (ipcp_method_cval_init): Remove restriction regarding local methods.
3660         (ipcp_init_stage): Add ipcp_method_compute_scale.
3661         (ipcp_insert_stage): Add versioning.
3662         (ipcp_structures_print): Add ipcp_method_scale_print.
3663         (ipcp_driver): Dump profiling info.
3664         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3665         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3666         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3667         (struct inline_data): Add versioning_p, ipa_info, new fields.
3668         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3669         declare_return_variable): Replace calls to copy_decl_for_inlining with
3670         copy_decl_for_dup.
3671         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3672         versioning support.
3673         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3674         Add argument VERSIONING.
3675         (copy_arguments_for_versioning, copy_static_chain,
3676         function_versionable_p, tree_versionable_function_p,
3677         tree_function_versioning, replace_ref_tree): New functions.
3678         * tree-inline.h: Include varray.h.
3679         (tree_versionable_function_p,  tree_function_versioning,
3680         tree copy_decl_for_dup): New declarations.
3681
3682 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3683
3684         * ipa-cp.c: New file. Contains IPCP specific functionality.
3685         * ipa-prop.h: New file. Contains structures/definitions that can be
3686         used by several interprocedural data flow optimizations (and also IPCP).
3687         * ipa-prop.c: New file.
3688         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3689         * common.opt: Add ipa-cp flag.
3690         * timevar.def: Add IPCP optimization.
3691         * tree-optimize.c (init_tree_optimization_passes): Schedule
3692         pass_ipa_cp.
3693         * tree-pass.h (pass_ipa_cp): Declare.
3694
3695 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
3696
3697         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3698         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3699         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3700         config/i386/i386.c, config/mips/mips.h,
3701         config/rs6000/rs6000.h, config/sh/sh.c,
3702         config/stormy16/stormy16.c: Fix comment typos.
3703
3704 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
3705
3706         PR c/22311
3707         * c-typeck.c (build_binary_op): Use common_type wrapper on
3708         shortened types.
3709         (common_type): Update comment.
3710
3711 2005-07-31  Steven Bosscher  <stevenb@suse.de>
3712
3713         PR target/23095
3714         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3715         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3716         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3717
3718 2005-07-31  Jan Hubicka  <jh@suse.cz>
3719
3720         * pretty-print.h (pp_widest_integer): New macro.
3721         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3722         counts.
3723
3724 2005-07-31  Jan Hubicka  <jh@suse.cz>
3725
3726         * output.h (enum section_category): Export from varasm.c
3727         (categorize_decl_for_section): Likewise.
3728         * varasm.c (enum section_category): Kill.
3729         (categorize_decl_for_section): Make global.
3730         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3731         Declare.
3732         * i386.c (ix86_section_threshold): New static variable.
3733         (ix86_in_large_data_p, ix86_encode_section_info,
3734         x86_64_elf_unique_section,
3735         x86_64_elf_select_section): New functions.
3736         (TARGET_ENCODE_SECTION_INFO): Define
3737         (override_options): Enable medium model for PIC.
3738         (ix86_expand_prologue): Expand gen_set_got_rex64.
3739         (legitimate_constant_p): Handle new UNSPECs.
3740         (legitimate_pic_address_disp_p): Likewise.
3741         (legitimize_pic_address): Lower MEDIUM model addressing.
3742         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3743         (enum cmodel): Add MEDIUM_PIC.
3744         (SYMBOL_REF_FAR_ADDR_P): New macro.
3745         (SYMBOL_FLAG_FAR_ADDR): New flag.
3746         * i386.md (movdi): Support medium model.
3747         (set_got_rex64): New pattern.
3748         * i386.opt (mlarge-data-threshold): New flag.
3749         * predicates.md (zext_operand/sext_operand): Deal with medium model.
3750         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3751         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3752         TARGET_ASM_UNIQUE_SECTION): New.
3753
3754         * invoke.texi (-mlarge_data_threshold): Document
3755
3756 2005-07-31  Jan Hubicka  <jh@suse.cz>
3757
3758         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3759         (coalesce_vars): Likewise.
3760         * tree-ssa-live.c (coalesce_cost): New.
3761         (build_tree_conflict_graph): Use coalesce_cost.
3762         * tree-ssa-live.h (coalesce_cost): Declare.
3763
3764 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3765
3766         * arm.md (all peepholes for post-increment operations): Delete.
3767         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3768         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3769         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3770         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3771         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3772
3773 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3774
3775         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3776         non-integral types.
3777
3778 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3779
3780         PR target/22582
3781         * doc/invoke.texi: Document -rdynamic.
3782
3783 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3784
3785         PR c/23143
3786         * c-parser.c (c_parser_parms_list_declarator): Call
3787         mark_forward_parm_decls.
3788         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3789         decls with visibility structure.
3790
3791 2005-07-30  Paul Brook  <paul@codesourcery.com>
3792
3793         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3794
3795 2005-07-30  Paul Brook  <paul@codesourcery.com>
3796
3797         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3798         prototype.
3799         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3800         value for mode.
3801         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3802
3803 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3804
3805         PR c/529
3806         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3807         nested function declarators.
3808         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3809         (grokparms): Call warn_if_shadowing for parameters used within the
3810         parameter list.
3811         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3812         not used within the parameter list.
3813         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3814
3815 2005-07-30  Jan Hubicka  <jh@suse.cz>
3816
3817         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3818         * i386.c (ix86_fixup_binary_operands): Likewise.
3819         (ix86_expand_unary_operator): Likewise.
3820         (ix86_expand_fp_absneg_operator): Likewise.
3821         * optabs.c (expand_vec_cond_expr): Validate dest.
3822
3823 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3824
3825         PR c/21720
3826         * real.c (real_from_string): Also set last bit if there is a
3827         nonzero hex digit beyond GCC's internal precision after ".".
3828
3829 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3830
3831         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3832         define_constants.  Change duplicate values to unassigned numbers.
3833         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3834         (*altivec_vspltsf): New.
3835         (altivec_vperm_v4sf): Delete.
3836         (altivec_vperm_<mode>): Use mode macro V.
3837         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3838         (altivec_predicate_v4sf): Delete.
3839         (altivec_predicate_<mode>): Use mode macro V.
3840         (*altivec_lvesfx): New.
3841         (*altivec_stvesfx): New.
3842         (vec_realign_load_v4sf): Delete.
3843         (vec_realign_load_<mode>): Use mode macro V.
3844         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3845         UNSPECV_SET_VRSAVE.
3846
3847 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3848
3849         PR bootstrap/23131
3850         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3851         string.
3852         * configure: Regenerated.
3853
3854 2005-07-29  Paul Brook  <paul@codesourcery.com>
3855
3856         * doc/install.texi: Add link to GFortran binaries wiki page.
3857
3858 2005-07-29  David Ung  <davidu@mips.com>
3859
3860         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3861         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3862         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3863         * config/mips/mips.md (cpu): Add 5kf name.
3864         (includes): Includes 5k.md.
3865         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3866         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3867         -march flag.
3868
3869 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3870
3871         PR 22550
3872         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3873         (cleanup_tree_cfg): ... here.
3874         Call cleanup_tree_cfg_1 until there are no more cleanups to
3875         do.
3876
3877 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3878
3879         * tree-vrp.c (compare_range_with_value): Return true or false
3880         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3881         EQ_EXPR respectively.
3882
3883 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3884
3885         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3886         Fix comment typos.
3887
3888 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3889
3890         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3891         (tree_ssa_dominator_optimize): Increment it.
3892         (dump_dominator_optimization_stats): Print it.
3893
3894 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3895             Steven Bosscher  <stevenb@suse.de>
3896
3897         PR rtl-optimization/23117
3898         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3899         when head == tail.  Tidy comment.
3900
3901 2005-07-28  Richard Henderson  <rth@redhat.com>
3902
3903         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3904         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3905         * jump.c (rtx_renumbered_equal_p): Likewise.
3906         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3907         CONST_INT and CONST_DOUBLE.
3908         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3909         * reload.c (operands_match_p): Special case CONST_INT and
3910         CONST_DOUBLE; check mode earlier.
3911
3912 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3913
3914         PR c/22240
3915         * c-typeck.c (convert_for_assignment): Do not check
3916         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3917
3918 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3919
3920         PR c/22192
3921         * c-typeck.c (composite_type): Prefer constant size arrays to
3922         VLAs.
3923
3924 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3925
3926         PR c/21720
3927         * real.c (real_from_string): Set last bit if there is a nonzero
3928         hex digit beyond GCC's internal precision.
3929
3930 2005-07-28  Richard Henderson  <rth@redhat.com>
3931
3932         PR rtl-opt/22619
3933         * cfgcleanup.c (try_forward_edges): Watch out for end of
3934         insn chain.
3935
3936 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3937
3938         PR c/23106
3939         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3940
3941 2005-07-28  Jan Hubicka  <jh@suse.cz>
3942
3943         * Makefile.in (rtl-profile.o): Kill all traces of it.
3944         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3945         * coverage.h (rtl_coverage_counter_ref): Kill.
3946         * opts.c (flag_speculative_prefetching_set): Kill.
3947         (flag_loop_optimize_set): New.
3948         (common_handle_option): Disable loop optimizer when profiling;
3949         do not handle speculative prefetching.
3950         * passes.c (init_optimization_passes): Replace pass_profiling combo
3951         by branch_prob pass.
3952         * profile.c (compute_value_histograms): Update for simplified value
3953         profiles.
3954         (rtl_register_profile_hooks): Kill.
3955         (pass_profiling): Kill.
3956         (rest_of_handle_branch_prob): Do not profile.
3957         * toplev.c (process_options): Remove speculative prefetching.
3958         * toplev.h (flag_tree_based_profiling): Kill.
3959         * tree-profile.c (prepare_instrumented_value,
3960         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3961         tree_gen_one_value_profiler, do_tree_profiling): Update for
3962         simplified datastructures.
3963         * value-prof.c: Add comment that speculative prefetching was dropped;
3964         update rest of file for simplified datastructures.
3965         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3966         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3967         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3968         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3969         rtl_mod_subtract, gen_speculative_prefetch,
3970         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3971         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3972         (gate_handle_value_profile_transformations,
3973         rest_of_handle_value_profile_transformations,
3974         pass_value_profile_transformations): Kill.
3975         * value-prof.h (histogram_value_t): Remove IL based unions.
3976         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3977         rtl_profile_hooks): Remove hooks.
3978
3979         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3980
3981         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3982         (cgraph_clone_node): Likewise.
3983         * cgraph.h (cgraph_clone_edge): Update prototype.
3984         (cgraph_clone_node): Likewise.
3985         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3986         cgraph_clone_node.
3987         (lookup_recursive_calls): Consider profile.
3988         (cgraph_decide_recursive_inlining): Fix updating; use new
3989         probability argument; use profile.
3990         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3991         * tree-inline.c (copy_bb): Update clal of clone_edge.
3992         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3993
3994         * invoke.texi (min-inline-recursive-probability): Document.
3995
3996 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3997
3998         * doc/install.texi (Configuration): Update Valgrind homepage.
3999
4000 2005-07-28  Richard Henderson  <rth@redhat.com>
4001
4002         PR middle-end/21362
4003         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4004         labels we want to delete.
4005         (cfg_layout_merge_blocks): Likewise.
4006
4007 2005-07-28  Richard Henderson  <rth@redhat.com>
4008
4009         PR target/17692
4010         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4011         when expanding to nothing.
4012
4013 2005-07-28  Josh Conner  <jconner@apple.com>
4014
4015         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4016         (cgraph_decide_inlining_of_small_functions): Likewise.
4017
4018 2005-07-28  Josh Conner  <jconner@apple.com>
4019
4020         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
4021         direction of badness if negative.
4022         (cgraph_default_inline_p): Add reason to parameters, and assign it
4023         a value.
4024         (cgraph_decide_inlining_of_small_functions): New parameter in call
4025         to cgraph_default_inline_p.
4026         (cgraph_decide_inlining_incrementally): Likewise.
4027         * cgraphunit.c (decide_is_function_needed): Likewise.
4028         * cgraph.h (cgraph_default_inline_p): Likewise.
4029
4030 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4031
4032         * builtins.c: Fix comment typo(s).
4033         * genautomata.c: Likewise.
4034         * gimplify.c: Likewise.
4035         * tree-dfa.c: Likewise.
4036         * tree-flow-inline.h: Likewise.
4037         * tree-into-ssa.c: Likewise.
4038         * tree-ssa-alias.c: Likewise.
4039         * tree-ssa-ccp.c: Likewise.
4040         * tree-ssa-copy.c: Likewise.
4041         * tree-ssa-dce.c: Likewise.
4042         * tree-ssa-dom.c: Likewise.
4043         * tree-ssa-operands.c: Likewise.
4044         * tree-tailcall.c: Likewise.
4045         * tree-vectorizer.c: Likewise.
4046         * tree-vrp.c: Likewise.
4047         * tree.c: Likewise.
4048
4049 2005-07-28  Jeff Law  <law@redhat.com>
4050
4051         * tree-vrp.c (test_for_singularity): Extracted from  ...
4052         (simplify_cond_using_ranges): Attempt to simplify a relational
4053         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
4054
4055 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
4056
4057         PR tree-optimization/22506
4058         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4059         phis whose argument is constant.
4060
4061 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
4062
4063         PR rtl-optimization/18992
4064         Back out this patch:
4065           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4066           PR optimization/12142
4067           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4068           uses of the register in the SET_SRC.  Remove unnecessary argument.
4069
4070         Replace it with this:
4071         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4072         if flag_non_call_exceptions is set and the insn may trap, pass
4073         pc_rtx as dest for recursion.
4074         In SET_SRC part of SET case, if dest is already set, pass it down
4075         unchanged.
4076
4077 2005-07-28  Jan Hubicka  <jh@suse.cz>
4078
4079         * cfg.c (update_bb_profile_for_threading): Use RDIV.
4080         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4081         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4082         roundoff errors.
4083         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4084         profile when available.
4085
4086 2005-07-28  Jan Beulich <jbeulich@novell.com>
4087
4088         * config/ia64/ia64.c (ia64_load_pair_ok): New.
4089         (ia64_print_operand): Describe and handle 'X'.
4090         (ia64_register_move_cost): Also handle FP_REGS.
4091         (ia64_preferred_reload_class): Likewise.
4092         (ia64_secondary_reload_class): Likewise.
4093         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4094         it. Also check for ITANIUM_CLASS_FLDP.
4095         * config/ia64/ia64.h (FP_REGNO_P): New.
4096         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4097         (reg_class): Add FP_REGS.
4098         (REG_CLASS_NAMES): Adjust for it.
4099         (REG_CLASS_CONTENTS): Likewise.
4100         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4101         (REG_CLASS_FROM_LETTER): Handle 'x'.
4102         (CLASS_MAX_NREGS): Handle FP_REGS.
4103         (MEMORY_MOVE_COST): Likewise.
4104         * config/ia64/ia64.md (itanium_class): Add fldp.
4105         (type): Handle fldp.
4106         (movti_internal): More allowable operand combinations. Use ldfp8 when
4107         splitting unnecessary. Remove predicable attribute. Adjust
4108         itanium_class attribute.
4109         (smuldi3_highpart): Remove outdated comment.
4110         (mulditi3, umulditi3, rotlti3): New expanders.
4111         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4112         (absti2): Disabled new insn for future reference.
4113         Respective new splitters.
4114         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4115         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4116         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4117
4118 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
4119
4120         PR rtl-optimization/23047
4121         * simplify-rtx.c (simplify_const_relational_operation): Respect
4122         flag_wrapv for comparisons with ABS.
4123
4124 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
4125
4126         PR tree-optimization/22493
4127         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4128         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4129
4130 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
4131
4132         * config/frv/frv.opt (moptimize-membar): New.
4133
4134         * doc/invoke.texi: Document -moptimize-membar and its inverse.
4135
4136         * config/frv/frv.h: Remove machine_function definition.
4137
4138         * config/frv/frv.c (struct frv_io): New.
4139         (struct machine_function): Moved from frv.h.  Add has_membar_p.
4140         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4141         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4142         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4143         (frv_optimize_membar_global, frv_optimize_membar): New functions.
4144         (frv_reorg): Call frv_optimize_membar when appropriate.
4145         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4146         (frv_expand_builtin): Adjust calls accordingly.
4147         (frv_io_address_cookie): New function.
4148         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4149         load or store rather than a special insn.  Add ccnstant address and
4150         io-type operands to the membar.
4151         (frv_ifcvt_modify_tests): Unsign regno.
4152         (frv_ifcvt_modify_tests): Same.
4153
4154         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
4155         UNSPEC_OPTIONAL_MEMBAR constant.
4156         (builtin_read_<mode>): Delete.
4157         (builtin_write_<mode>): Delete.
4158         ("optional_membar_<mode>"): Add operand.
4159
4160         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4161         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4162         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4163         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4164         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4165         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4166         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4167         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4168         * testsuite/gcc.target/frv/all-read-write-1.c: New.
4169
4170 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4171
4172         * df.c (df_uses_record): Handle SCRATCH.
4173
4174 2005-07-28  Steven Bosscher  <stevenb@suse.de>
4175
4176         PR debug/20161
4177         * passes.c (rest_of_decl_compilation): If decl is a type and
4178         we have encountered errors, don't emit debug information.
4179
4180 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
4181
4182         * params.def: Fixed comment.
4183
4184 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
4185
4186         PR target/19885
4187         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4188         (TARGET_ASM_UNALIGNED_HI_OP): Add.
4189         (TARGET_ASM_UNALIGNED_SI_OP): Add.
4190
4191 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4192
4193         PR c++/22003
4194         * varasm.c (assemble_start_function): Don't do anything that may
4195         require a CFG if the current function is a thunk.
4196
4197 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
4198
4199         * doc/install.texi (Prerequisites): Mention that perl is needed
4200         to do export control in libstdc++ targetting Darwin.
4201
4202 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4203
4204         PR rtl-optimization/17808
4205         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4206         (sched_insns_conditions_mutex_p): Split out from...
4207         (add_dependence): ...here.  But don't call it from here.
4208         (add_dependence_list): Check sched_insns_conditions_mutex_p
4209         before calling add_dependence.
4210         (add_dependence_list_and_free): Likewise.
4211         (fixup_sched_groups): Likewise.
4212         (sched_analyze_1): Likewise.
4213         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4214         (sched_analyze): Likewise.
4215         (sched_analyze_insn): Likewise.
4216         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4217         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
4218         dependencies on all COND_EXEC insns to jumps ending basic blocks
4219         when doing intrablock scheduling.
4220         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4221
4222 2005-07-27  Jeff Law  <law@redhat.com>
4223
4224         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4225         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
4226         equivalency sets, correctly handle the case were vr0 has an
4227         equivalency set, but vr1 does not.
4228
4229 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
4230
4231         PR tree-optimization/23073
4232         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4233         vect_print_dump_info before fprintf.
4234
4235 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4236
4237         PR tree-optimize/22348
4238         * tree-ssa-loop-niter.c (number_of_iterations_cond):
4239         Fold the partial computation.
4240
4241 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4242
4243         PR tree-optimization/22325
4244         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4245         Declare.
4246         * tree-scalar-evolution.c (scev_const_prop): Add generic final
4247         value replacement.
4248         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4249         (force_var_cost): ... this function.
4250         (compute_phi_arg_on_exit): Export.
4251
4252 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4253
4254         PR tree-optimization/20773
4255         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4256         edge.
4257
4258 2005-07-27  Richard Guenther  <rguenther@suse.de>
4259
4260         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4261         Avoid pushing again if current struct contains only
4262         fields we decomposed.
4263
4264 2005-07-27  Jan Hubicka  <jh@suse.cz>
4265
4266         PR tree-optimization/22574
4267         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4268         not available.
4269
4270         * tree-tailcall.c (decrease_profile): New function.
4271         (eliminate_tail_call): Use it.
4272
4273         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4274         visibility flags correctly in whole program mode.
4275
4276 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
4277
4278         PR rtl-optimization/22472
4279         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4280
4281 2005-07-26  Steven Bosscher  <stevenb@suse.de>
4282
4283         PR tree-optimization/22504
4284         * tree-complex.c (expand_complex_addition): Use 'code' instead
4285         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4286
4287 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4288
4289         * config.gcc (cpu_type): Add frv case.
4290         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4291         (supported_defaults): Add fr550 case.
4292
4293 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
4294
4295         PR 22591
4296         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4297         whether a pointer of type T * may point to objects of type T *.
4298
4299 2005-07-26  DJ Delorie  <dj@redhat.com>
4300
4301         * configure: Regenerate.
4302
4303 2005-07-26  Dale Johannesen  <dalej@apple.com>
4304
4305         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
4306
4307 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
4308
4309         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4310         Clarify use of "build" in name.
4311
4312 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4313
4314         * doc/extend.texi (Raw read/write Functions): New section.
4315         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4316         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4317         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4318         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4319         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4320         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4321         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4322         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4323         * config/frv/frv.c: Add bdesc_loads global.
4324         Add bdesc_stores global.
4325         (frv_init_builtins): Add support for __builtin_{read/write}*.
4326         (frv_volatile_memref): New.
4327         (frv_expand_load_builtin): New.
4328         (frv_expand_store_builtin): New.
4329         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4330         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4331         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4332         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4333         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4334         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4335         (builtin_read_<mode>): New.
4336         (builtin_write_<mode>): New.
4337         (builtin_write64): New.
4338         (optional_membar_<mode>): New.
4339
4340 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
4341
4342         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4343         (rather than units) against HOST_BITS_PER_WIDE_INT.
4344
4345 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
4346
4347         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4348         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4349         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4350         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4351         FSF address.
4352
4353         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4354         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4355         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4356         comment typos.
4357         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4358
4359 2005-07-26  Richard Guenther  <rguenther@suse.de>
4360
4361         PR tree-optimization/22486
4362         * fold-const.c (fold_unary): Fold away useless component
4363         references of the form (T *)&T.x, if the address
4364         doesn't change.
4365
4366 2005-07-25  James E Wilson  <wilson@specifixinc.com>
4367
4368         * dwarf2out.c (add_call_src_coords_attributes): New.
4369         (gen_inlined_subroutine_die): Call it.
4370         (maybe_emit_file, init_file_table): Add comments.
4371         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4372         maybe_emit_file.
4373         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4374         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4375         * tree.h (BLOCK_SOURCE_LOCATION): New.
4376         (struct tree_block): New field locus.
4377
4378 2005-07-26  Andreas Schwab  <schwab@suse.de>
4379
4380         PR rtl-optimization/23043
4381         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4382         when allocating a struct unoccr.
4383
4384 2005-07-25  Richard Henderson  <rth@redhat.com>
4385
4386         PR 22626
4387         * tree-complex.c (gate_no_optimization): True if errors.
4388         * Makefile.in (tree-complex.o): Update dependencies.
4389
4390 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
4391
4392         * config/frv/predicates.md (integer_register_operand): Use
4393         GPR_AP_OR_PSEUDO_P.
4394
4395 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4396
4397         PR tree-opt/22484
4398         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4399         after fold.
4400         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4401
4402 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4403
4404         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4405         types when flag_unsafe_math_optimizations is true.
4406
4407 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
4408
4409         * gcc.c (option_map): Add --sysroot.
4410         (process_command): Handle --sysroot.
4411         (display_help): Document it.
4412         * doc/cppopts.tex (-isysroot): Document.
4413         * doc/invoke.texi (--sysroot): Document.
4414         * doc/install.texi (--with-build-sysroot): Document.
4415
4416         * Makefile.in (inhibit_libc): New variable.
4417         (INHIBIT_LIBC_CFLAGS): Likewise.
4418         (LIBGCC2_CFLAGS): Include
4419         $(INHIBIT_LIBC_CFLAGS).
4420         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4421         ($(T)crtbegin.o): Do not use @inhibit_libc@.
4422         ($(T)crtend.o): Likewise.
4423         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4424         ($(T)crtendS.o): Likewise.
4425         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4426         ($(T)crtendT.o): Likewise.
4427         (stmp-fixinc): Do not complain about missing headers if
4428         inhibit_libc.
4429         * configure.ac (inhibit_libc): Set it to true/false.
4430         (--with-build-sysroot): New option.  Use it to set
4431         SYSTEM_HEADER_DIR.
4432         * configure: Regenerated.
4433
4434 2005-07-25  Manfred Hollstein  <mh@suse.com>
4435
4436         * calls.c (store_one_arg): Fix unsigned comparison warning.
4437
4438 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
4439
4440         PR other/22337
4441         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4442         (ggc_print_statistics): Initialize variable before use.
4443
4444 2005-07-25  Richard Guenther  <rguenther@suse.de>
4445
4446         * tree-dfa.c (mark_new_vars_to_rename): Protect against
4447         calling with a PHI_NODE argument.
4448
4449         * tree-flow-inline.h (overlap_subvar): Protect against
4450         possible overflow.
4451
4452 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
4453
4454         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4455         * configure: Regenerate.
4456
4457 2005-07-25  Ira Rosen  <irar@il.ibm.com>
4458
4459         * expr.c (highest_pow2_factor): Make extern.
4460         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4461         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4462         record_array_differ_p, array_ptr_differ_p): Likewise.
4463         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4464         additional cases. Call the above functions.
4465         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4466         base_object_differ_p when there are two base objects. Otherwise, compare
4467         base address and offset. Call may_alias_p.
4468         (dump_data_reference): Use a correct field name.
4469         (analyze_array): Make static. Initialize new data-ref fields.
4470         (analyze_indirect_ref): New function.
4471         (init_data_ref): Initialize new data-ref fields.
4472         (strip_conversion): Moved from tree-vect-analyze.c.
4473         (analyze_offset_expr, get_ptr_offset, address_analysis,
4474         object_analysis): Likewise.
4475         (analyze_offset): New function.
4476         (create_data_ref): Likewise.
4477         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4478         dimensions for ARRAY_REFs only.
4479         (build_classic_dist_vector): Make static.
4480         (access_functions_are_affine_or_constant_p): Call macro to get the
4481         address of access functions.
4482         (compute_all_dependences): Add new parameter
4483         compute_self_and_read_read_dependences. Compute self and read-read
4484         dependences if it is true.
4485         (find_data_references_in_loop): Call create_data_ref. Initialize new
4486         data-ref fields.
4487         (compute_data_dependences_for_loop): Add new parameter
4488         compute_self_and_read_read_dependences. Remove parameter nb_loops,
4489         compute nb_loops. Call compute_all_dependences,
4490         build_classic_dist_vector and build_classic_dir_vector with correct
4491         parameters.
4492         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4493         with correct parameters. Compare dimensions for ARRAY_REFs only.
4494         (free_data_refs): Call macro to free access functions.
4495         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4496         fields from stmt_vinfo.
4497         (struct base_object_info): New structure.
4498         (struct data_reference): Move fields to base_object_info. Add fields
4499         first_location and object_info for above structures. Move fields from
4500         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4501         aligned_to.  Add macros to access the new fields.
4502         Update functions declarations.
4503         * tree-flow.h (is_aliased_with): Declare.
4504         * tree-loop-linear.c (linear_transform_loops): Call
4505         compute_data_dependences_for_loop with correct parameters.
4506         * tree-ssa-alias.c (is_aliased_with): New function.
4507         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4508         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4509         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4510         vect_base_addr_differ_p, compute_subscript_distance and
4511         build_classic_dist_vector. Add printings. Check absolute value of
4512         distance.
4513         (vect_analyze_data_ref_dependences): Go through ddrs instead of
4514         data-refs.
4515         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4516         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4517         to bytes. Add printing.
4518         (vect_compute_data_refs_alignment): Go through loads and stores in one
4519         loop.
4520         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4521         vect_analyze_data_ref_access): Likewise.
4522         (vect_analyze_pointer_ref_access): Remove.
4523         (vect_address_analysis, vect_object_analysis): Likewise.
4524         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4525         and analyze data-refs in the loop.
4526         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4527         fields of data-ref instead of stmt. Add init to the offset from the
4528         base.
4529         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4530         (vect_update_init_of_dr): Likewise.
4531         (vect_update_inits_of_drs): Go through loads and stores in one loop.
4532         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4533         removed fields.
4534         (new_loop_vec_info): Initialize new fields.
4535         (destroy_loop_vec_info): Free new fields.
4536         (vect_strip_conversion): Remove.
4537         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4538         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4539         datarefs. Add new field ddrs.
4540         Add macros for the new fields access.
4541         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4542         base_aligned_p, misalignment, memtag, ptr_info and subvars.
4543         Remove their macros.
4544         * tree.h (highest_pow2_factor): Declare.
4545
4546 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
4547
4548         * calls.c (store_one_arg): Check for sibling call MEM arguments
4549         from already clobbered incoming argument area.
4550
4551 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4552
4553         * c-common.c (check_missing_format_attribute): New.
4554         * c-common.h (check_missing_format_attribute): Likewise.
4555         * c-typeck.c (convert_for_assignment): Use it.
4556
4557 2005-07-24  Andreas Schwab  <schwab@suse.de>
4558
4559         * config/m68k/m68k.md ("extendqidi2"): When source is an address
4560         register use a word move.  Correct operand of ext.w in 68000 code.
4561
4562 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
4563
4564         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4565         variables as declarations, rather than definitions.
4566
4567 2005-07-24  Ira Rosen  <irar@il.ibm.com>
4568
4569         PR tree-optimization/22526
4570         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4571         of the zero node.
4572
4573 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4574
4575         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4576         that C99 reserve for future use. Use it to define clog10,
4577         clog10f and clog10l.
4578
4579 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4580
4581         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4582         * configure.ac: Check for -Wmissing-format-attribute.
4583
4584         * configure: Regenerate.
4585
4586 2005-07-23  Richard Henderson  <rth@redhat.com>
4587
4588         PR tree-optimization/22623
4589         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4590
4591 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
4592
4593         PR target/22577
4594         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4595
4596 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4597
4598         * Makefile.in (C_TREE_H): Update dependencies.
4599         * c-tree.h: Include toplev.h.
4600         * diagnostic.h (diagnostic_set_info): Add format attribute.
4601         * rtl-error.c (diagnostic_for_asm): Likewise.
4602
4603 2005-07-23  Chao-ying Fu  <fu@mips.com>
4604
4605         * config/mips/mips-dsp.md: New file.
4606         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4607         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4608         functions.
4609         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4610         MIPS_BUILTIN_BPOSGE32.
4611         (mips_expand_builtin_direct): Add one parameter to indicate that
4612         builtin functions need to return a value.
4613         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4614         functions.
4615         (mips_regno_to_class): Add classes for 12 new DSP registers.
4616         (mips_subword): Change to check four HI registers.
4617         (mips_output_move): Output move to and from 6 new DSP accumulators.
4618         (override_options): Make sure -mdsp and -mips16 are not used together.
4619         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
4620         for machine modes.
4621         (mips_conditional_register_usage): Disable 6 new DSP accumulators
4622         when !TARGET_DSP.
4623         (print_operand): Add 'q' for printing DSP accumulators.
4624         (mips_cannot_change_mode_class): Check ACC_REGS.
4625         (mips_secondary_reload_class): Check ACC_REGS.
4626         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4627         (mips_register_move_cost): Check ACC_REGS.
4628         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4629         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4630         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4631         (dsp_bdesc): New array.
4632         (bdesc_arrays): Add DSP builtin function table.
4633         (mips_prepare_builtin_arg): Check predicate again after
4634         copy_to_mode_reg.
4635         (mips_expand_builtin): Add one more parameter to
4636         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4637         MIPS_BUILTIN_BPOSGE32.
4638         (mips_init_builtins): Initialize new function types.
4639         (mips_expand_builtin_direct): Check if builtin functions need to
4640         return a value and pass operands properly.
4641         (mips_expand_builtin_bposge): New function.
4642         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4643         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4644         (FIRST_PSEUDO_REGISTER): Increase to 188.
4645         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4646         Update for 12 new DSP registers.
4647         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4648         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4649         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4650         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4651         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4652         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4653         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4654         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4655         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4656         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4657         (REGISTER_NAMES): Add names for 12 new DSP registers.
4658         * config/mips/mips.md: Include mips-dsp.md.
4659         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4660         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4661         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4662         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4663         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4664         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4665         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4666         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4667         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4668         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4669         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4670         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4671         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4672         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4673         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4674         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4675         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4676         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4677         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4678         (UNSPEC_RDDSP): New constants.
4679         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4680         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
4681         A<-d alternative.
4682         * config/mips/mips.opt (-mdsp): New option.
4683         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4684         (reg_imm10_operand): New predicates.
4685         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4686         * doc/invoke.texi (-mdsp): Document new option.
4687
4688 2005-07-22  DJ Delorie  <dj@redhat.com>
4689
4690         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4691         to warning calls.
4692         * tree-inline.c (inlinable_function_p): Likewise.
4693
4694 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
4695
4696         PR debug/21828
4697         * toplev.c (check_global_declarations): Do not mark undefined
4698         variables as DECL_IGNORED_P.
4699         * varasm.c (first_global_object_name): GTY it.
4700         (weak_global_object_name): Likewise.
4701         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4702         a string to go into {weak,first}_global_object_name.
4703
4704 2005-07-22  DJ Delorie  <dj@redhat.com>
4705
4706         * c-format.c (check_function_format): Change warning control
4707         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4708
4709 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
4710
4711         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4712         &PTR->FLD a dereference of PTR.
4713         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4714         a potential dereference of PTR.
4715
4716 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
4717
4718         PR rtl-optimization/20370
4719         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4720         call allocate_reg_info if necessary.
4721
4722         PR rtl-optimization/21848
4723         * calls.c (emit_library_call_value_1): For const functions, add
4724         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4725
4726         PR rtl-optimization/22445
4727         * cselib.c (target.h): Include.
4728         (rtx_equal_for_cselib_p): Allow commutative matches.
4729         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4730         Remove MODE parameter.  Changed all callers.
4731
4732         PR rtl-optimization/22258
4733         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4734         New functions.
4735         (try_combine): Use likely_spilled_retval_p.
4736
4737 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
4738
4739         * config.gcc: Add crx-elf support.
4740
4741         * doc/contrib.texi: Mention crx.
4742         * doc/extend.texi: Document crx extensions.
4743         * doc/install.texi: Document crx install.
4744         * doc/invoke.texi: Document crx options.
4745         * doc/md.texi: Document crx constraints.
4746
4747         * config/crx/crx-protos.h: New file.
4748         * config/crx/crx.c: New file.
4749         * config/crx/crx.h: New file.
4750         * config/crx/crx.md: New file.
4751         * config/crx/crx.opt: New file.
4752         * config/crx/t-crx: New file.
4753
4754 2005-07-22  Manfred Hollstein  <mh@suse.com>
4755
4756         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4757         warnings.
4758         (int_add_graph_edge): Likewise.
4759         (collapse_nodes): Likewise.
4760         (process_unification_queue): Likewise.
4761
4762 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4763             Laurent GUERBY  <laurent@guerby.net>
4764
4765         PR tree-optimization/22336
4766         * function.c (record_block_change): Check for
4767         cfun->ib_boundaries_block.
4768
4769 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4770
4771         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4772         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4773
4774 2005-07-21  DJ Delorie  <dj@redhat.com>
4775
4776         * toplev.c (warn_deprecated_use): Add warning control to warning
4777         call.
4778         * c-typeck.c (parser_build_binary_op): Likewise.
4779         (c_finish_if_stmt): Likewise.
4780         * c-common.c (check_function_sentinel): Likewise.
4781         (check_nonnull_arg): Likewise.
4782
4783 2005-07-21  Richard Henderson  <rth@redhat.com>
4784
4785         PR tree-opt/22504
4786         * tree-complex.c (complex_ssa_name_components): New.
4787         (cvc_lookup): Allow entry not found.
4788         (create_components): Remove.
4789         (create_one_component_var, get_component_var): New.
4790         (get_component_ssa_name, set_component_ssa_name): New.
4791         (extract_component): Use get_component_ssa_name.
4792         (update_complex_components): Use set_component_ssa_name.
4793         (update_complex_components_on_edge): Likewise.
4794         (update_phi_components): Create new PHI nodes directly, instead
4795         of adding insns to edges.
4796         (tree_lower_complex): Allocate and free complex_variable_components
4797         and complex_ssa_name_components here.
4798
4799 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4800
4801         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4802         revert to returning false.
4803
4804 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4805
4806         PR target/21149
4807         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4808
4809 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4810
4811         PR target/22576
4812         * config/i386/i386.md (cmpxf): Change operand constraints
4813         to "nonmemory_operand".
4814
4815 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4816
4817         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4818
4819 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4820
4821         PR middle-end/21180
4822         * fold-const.c (fold_build1): Add checksum for the operands.
4823         (fold_build2): Likewise.
4824         (fold_build3): Likewise.
4825
4826 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4827
4828         PR middle-end/19055
4829         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4830
4831 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4832
4833         * common.opt (-fforward-propagate): Committed by mistake,
4834         removed.
4835
4836 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4837
4838         * reg-stack.c: Fix comment typo(s).
4839         * tree-ssa-operands.c: Likewise.
4840         * tree-vectorizer: Likewise.
4841
4842 2005-07-21  Nick Clifton  <nickc@redhat.com>
4843
4844         * config/sh/symbian.c: Replace C++ style line comments with C
4845         style line comments.
4846         (symbian_add_attribute): Do not use a ? operator on the LHS of
4847         an assignment.
4848         (sh_symbian_handle_dll_attribute): Change the type of the
4849         method vector to "VEC(tree,gc)*" and use vector accessor
4850         macros to walk over the elements.
4851         (symbian_export_vtable_and_rtti_p): Likewise.
4852         (symbian_class_needs_attribute_p): Likewise.
4853
4854 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4855
4856         PR target/22085
4857         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4858         initialize targetm.resolve_overloaded_builtin here.
4859         (altivec_expand_overloaded_builtin): Make it non-static.
4860         * config/rs6000/rs6000-protos.h
4861         (altivec_expand_overloaded_builtin): New prototype.
4862         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4863         targetm.resolve_overloaded_builtin here.
4864         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4865
4866 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4867             Zdenek Dvorak  <dvorakz@suse.cz>
4868
4869         PR tree-optimization/19210
4870         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4871         New.
4872         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4873         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4874         rely on unproven assumptions.
4875         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4876         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4877         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4878         to number_of_iterations_exit.
4879         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4880         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4881         * tree-ssa-loop-niter.c (find_loop_niter,
4882         estimate_numbers_of_iterations_loop): Likewise.
4883         (number_of_iterations_exit): Honor the new options.
4884         * doc/invoke.texi (Wunsafe-loop-optimizations,
4885         funsafe-loop-optimizations): Document them.
4886
4887 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4888
4889         PR rtl-optimization/22167
4890         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4891
4892 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4893
4894         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4895         __do_global_dtors_aux longcall.
4896
4897 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4898
4899         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4900         (old_special_pred_table): Don't reference
4901         SPECIAL_MODE_PREDICATES.
4902         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4903         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4904         * config/sh/predicates.h: Don't mention
4905         SPECIAL_MODE_PREDICATES.
4906         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4907         Remove.
4908
4909 2005-07-20  DJ Delorie  <dj@redhat.com>
4910
4911         * config.gcc: Add m32c-elf support.
4912
4913         * doc/contrib.texi: Mention m32c.
4914         * doc/extend.texi: Document m32c extensions.
4915         * doc/install.texi: Mention m32c.
4916         * doc/invoke.texi: Document m32c options.
4917         * doc/md.texi: Document m32c constraints.
4918
4919         * config/m32c/addsub.md: New file.
4920         * config/m32c/bitops.md: New file.
4921         * config/m32c/cond.md: New file.
4922         * config/m32c/jump.md: New file.
4923         * config/m32c/m32c-lib1.S: New file.
4924         * config/m32c/m32c-lib2.c: New file.
4925         * config/m32c/m32c-modes.def: New file.
4926         * config/m32c/m32c-pragma.c: New file.
4927         * config/m32c/m32c-protos.h: New file.
4928         * config/m32c/m32c.abi: New file.
4929         * config/m32c/m32c.c: New file.
4930         * config/m32c/m32c.h: New file.
4931         * config/m32c/m32c.md: New file.
4932         * config/m32c/m32c.opt: New file.
4933         * config/m32c/minmax.md: New file.
4934         * config/m32c/mov.md: New file.
4935         * config/m32c/muldiv.md: New file.
4936         * config/m32c/predicates.md: New file.
4937         * config/m32c/prologue.md: New file.
4938         * config/m32c/shift.md: New file.
4939         * config/m32c/t-m32c: New file.
4940
4941 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4942
4943         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4944         (stack_protect_set, stack_protect_test): New expanders.
4945         (stack_protect_set_si, stack_protect_set_si_media,
4946         stack_protect_set_di_media, stack_protect_test_si,
4947         stack_protect_test_si_media, stack_protect_test_di_media):
4948         New insns.
4949
4950 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4951
4952         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4953
4954 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4955
4956         * tree.h (tree_expr_nonzero_p): Export.
4957         * fold-const.c (tree_expr_nonzero_p): Likewise.
4958         Return true for CALL_EXPRs that are alloca calls.
4959         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4960         against zero.
4961         * tree-flow.h (expr_computes_nonzero): Remove.
4962         * tree-vrp.c (expr_computes_nonzero): Remove.
4963         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4964         (extract_range_from_unary_expr): Likewise.
4965         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4966         tree_expr_nonzero_p.
4967
4968 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4969
4970         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4971         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4972         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4973         All callers changed.
4974         (frame_related_constant_load): New arg "related" which controls
4975         setting of RTX_FRAME_RELATED_P.  All callers changed.
4976         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4977         (bfin_expand_prologue): Add stack limit checking.
4978         * config/bfin/bfin.md (trapifcc): New pattern.
4979
4980         * config/bfin/bfin.c: Include "langhooks.h".
4981         (def_builtin): Go through lang_hooks to call builtin_function.
4982
4983         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4984         * config/bfin/predicates.md (symbol_ref_operand): New.
4985         (call_insn_operand): Delete.  All callers changed to use
4986         register_no_elim_operand.
4987         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4988         call_cookie field.
4989         (function_arg): Use it to generate the call's operand 2.
4990         (bfin_longcall_p): New function.
4991         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4992         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4993         determine if the address needs to be in a REG.
4994         (bfin_handle_longcall_attribute): New function.
4995         (bfin_attribute_table): Add "longcall" and "shortcall".
4996         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4997         (CUMULATIVE_ARGS): New member call_cookie.
4998         (PREDICATE_CODES): Add symbol_ref_operand.
4999         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5000         extra USE to the pattern.
5001         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5002         New patterns, split off call_insn, sibcall_insn, call_value_insn and
5003         sibcall_value_insn; now the new patterns handle direct calls and the
5004         old ones indirect calls.
5005         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5006
5007 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
5008
5009         * doc/trouble.texi: Update section on handling of empty loops.
5010
5011 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
5012
5013         * config.gcc: Remove support for sparc-*-openbsd*,
5014         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5015         ns32k-*-netbsd*.
5016         * config.host: Remove support for i860-*-sysv4* as a host.
5017         * config/i860/*, config/ip2k/*, config/ns32k/*,
5018         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5019         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5020         mention obsolete ports.
5021
5022 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5023
5024         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5025         soft frame pointer.
5026         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5027         of frame_pointer_rtx.
5028         (sh_expand_epilogue): Likewise.
5029         (sh_set_return_address): Likewise.
5030         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5031         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
5032         offsets from FRAME_POINTER_REGNUM.
5033         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5034         (sh_register_names): Add initializer for sfp.
5035         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5036         (VALID_REGISTER_P): Likewise.
5037         (FIRST_PSEUDO_REGISTER): Update.
5038         (DWARF_FRAME_REGISTERS): Define.
5039         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5040         (HARD_FRAME_POINTER_REGNUM): Define.
5041         (FRAME_POINTER_REGNUM): Redefine.
5042         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5043         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
5044         from FRAME_POINTER_REGNUM.
5045         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5046         FRAME_POINTER_REGNUM.
5047         (REG_CLASS_CONTENTS): Add sfp.
5048         (REG_ALLOC_ORDER): Likewise.
5049         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
5050         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5051         of frame_pointer_rtx.
5052         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5053
5054 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
5055
5056         * fold-const.c (tree_expr_nonnegative_p): Only return true for
5057         ABS_EXPR when flag_wrapv is false because of INT_MIN.
5058         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5059         of an ABS_EXPR.
5060         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5061         ABS_EXPR<x>.
5062
5063 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
5064
5065         Make CONSTRUCTOR use VEC to store initializers.
5066         * c-common.c (complete_array_type): Update to cope with VEC in
5067         CONSTRUCTOR_ELTS.
5068         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5069         (pp_c_constructor_elts): New function.
5070         * c-pretty-print.h (pp_c_constructor_elts): Declare.
5071         * c-typeck.c (build_function_call, build_c_cast, digest_init,
5072         struct constructor_stack, struct initializer_stack,
5073         constructor_elements, push_init_level, pop_init_level,
5074         add_pending_init, find_init_member, output_init_element): Update to
5075         cope with VEC in CONSTRUCTOR_ELTS.
5076         * coverage.c (build_fn_info_value, build_ctr_info_value,
5077         build_gcov_info): Likewise.
5078         * expr.c (categorize_ctor_elements_1, store_constructor,
5079         expand_expr_real_1): Likewise.
5080         * fold-const.c (fold_ternary): Likewise.
5081         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5082         gimplify_init_constructor, gimplify_expr): Likewise.
5083         * tree-dump.c (dequeue_and_dump): Likewise.
5084         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5085         node.
5086         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5087         CONSTRUCTOR_ELTS.
5088         * tree-sra.c (generate_element_init_1): Likewise.
5089         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5090         * tree-ssa-operands.c (get_expr_operands): Likewise.
5091         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5092         * tree-vect-transform.c (vect_get_vec_def_for_operand):
5093         (get_initial_def_for_reduction): Likewise.
5094         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5095         value handle in annotations.
5096         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5097         tree_node_structure): Add support for constr_kind.
5098         (build_vector_from_ctor, build_constructor_single,
5099         build_constructor_from_list): New functions.
5100         (build_constructor): Update to take a VEC instead of a TREE_LIST.
5101         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5102         Update to cope with VEC in CONSTRUCTOR_ELTS.
5103         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5104         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5105         CONSTRUCTOR_APPEND_ELT): New macros.
5106         (struct constructor_elt, struct tree_constructor): New data types.
5107         (union tree_node): Add tree_constructor field.
5108         * treestruct.def: Define TS_CONSTRUCTOR.
5109         * varasm.c (const_hash_1, compare_constant, copy_constant,
5110         compute_reloc_for_constant, output_addressed_constants,
5111         initializer_constant_valid_p, output_constant,
5112         array_size_for_constructor, output_constructor): Update to cope with
5113         VEC in CONSTRUCTOR_ELTS.
5114         * vec.h (VEC_empty, VEC_copy): New macros.
5115
5116 2005-07-19  Devang Patel  <dpatel@apple.com>
5117
5118         * dbxout.c (dbxout_type): Check Objective-C++ lang.
5119
5120 2005-07-19  Richard Henderson  <rth@redhat.com>
5121
5122         PR tree-opt/22278
5123         * gimplify.c (gimplify_expr): Use main variant type for the temp
5124         destination for a discarded volatile read.
5125         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5126         casts between non-void types that change volatility.
5127
5128 2005-07-15  DJ Delorie  <dj@redhat.com>
5129
5130         * toplev.h: Add comment about the first parameter for warning().
5131         * errors.h: Likewise.
5132
5133         * c.opt (Wpragmas): New.
5134         * doc/invoke.texi: Document it.
5135
5136         * function.c (do_warn_unused_parameter): Add warning control to
5137         warning call.
5138         * c-decl.c (warn_if_shadowing): Likewise.
5139         * c-lex.c (cb_def_pragma): Likewise.
5140         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5141         (pop_alignment): Likewise.
5142         (handle_pragma_pack): Likewise.
5143         (apply_pragma_weak): Likewise.
5144         (handle_pragma_weak): Likewise.
5145         (handle_pragma_redefine_extname): Likewise.
5146         (add_to_renaming_pragma_list): Likewise.
5147         (handle_pragma_extern_prefix): Likewise.
5148         (maybe_apply_renaming_pragma): Likewise.
5149         (handle_pragma_visibility): Likewise.
5150
5151         * config/c4x/c4x-c.c (BAD): Likewise.
5152         (c4x_parse_pragma): Likewise.
5153         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5154         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5155         (rs6000_pragma_longcall): Likewise.
5156         * config/v850/v850-c.c (pop_data_area): Likewise.
5157         (ghs_pragma_section): Likewise.
5158         (ghs_pragma_section): Likewise.
5159         (ghs_pragma_interrupt): Likewise.
5160         (ghs_pragma_starttda): Likewise.
5161         (ghs_pragma_startsda): Likewise.
5162         (ghs_pragma_startzda): Likewise.
5163         (ghs_pragma_endtda): Likewise.
5164         (ghs_pragma_endsda): Likewise.
5165         (ghs_pragma_endzda): Likewise.
5166
5167 2005-07-19  Danny Berlin <dberlin@dberlin.org>
5168             Kenneth Zadeck <zadeck@naturalbridge.com>
5169
5170         * Makefile.in: Removed tree-promote-statics.c
5171         * tree-promote-statics.c: Removed.
5172         * common.opt: Removed flag-promote-statics.
5173         * opts.c: Ditto.
5174         * passes.c: Removed tree-promote-statics pass.
5175         * tree-pass.h: Ditto.
5176         * timevar.def: Removed TV_PROMOTE_STATICS.
5177
5178
5179 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
5180
5181         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5182         and *-*-freebsd9.
5183         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5184
5185 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5186
5187         PR c/22476
5188         * c-common.c (check_function_arguments): Call
5189         'check_function_format' if either -Wformat or
5190         -Wmissing-format-attribute are specified.
5191         * c-format.c (check_function_format): Check -Wformat before
5192         calling 'check_format_info'.
5193         * c-opts.c (c_common_post_options): Don't warn for
5194         -Wmissing-format-attribute without -Wformat.
5195         * c-typeck.c (convert_for_assignment): Detect additional cases for
5196         -Wmissing-format-attribute.
5197         * doc/invoke.texi (-Wmissing-format-attribute): Document new
5198         behavior.
5199
5200 2005-07-19  Richard Guenther  <rguenther@suse.de>
5201
5202         * config/i386/i386.md (lrint<mode>2): Use temporary
5203         instead of clobbering non-existent memory.
5204
5205 2005-07-19  Nick Clifton  <nickc@redhat.com>
5206
5207         * config/avr/avr.c (legitimate_address_p): Fix debugging print
5208         statement to avoid displaying ASCII control characters.
5209
5210 2005-07-19  Ben Elliston  <bje@au.ibm.com>
5211
5212         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5213         * cfganal.c (find_edge_index): Ditto.
5214         * combine.c (combine_instructions): Ditto.
5215         * ddg.c (create_scc): Ditto.
5216         (find_successors): Ditto.
5217         (find_predecessors): Ditto.
5218         (find_nodes_on_paths): Ditto.
5219         (longest_simple_path): Ditto.
5220         * flow.c (update_life_info): Ditto.
5221         (count_or_remove_death_notes): Ditto.
5222         (clear_log_links): Ditto.
5223         * modulo-sched.c (generate_reg_moves): Ditto.
5224         (find_max_asap): Ditto.
5225         (find_max_hv_min_mob): Ditto.
5226         (find_max_dv_min_mob): Ditto.
5227         * sbitmap.c (sbitmap_first_set_bit): Ditto.
5228         * sched-rgn.c (extract_edgelst): Ditto.
5229         * tree-into-ssa.c (prepare_names_to_update): Ditto.
5230         (dump_update_ssa): Ditto.
5231         (ssa_names_to_replace) Ditto.
5232         (switch_virtuals_to_full_rewrite): Ditto.
5233         (update_ssa): Ditto.
5234         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5235
5236 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
5237
5238         Fix PR tree-optimization/22483
5239
5240         * tree-complex.c (create_components): Use
5241         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5242         * tree-flow-inline.h (fill_referenced_var_vec): New function.
5243         * tree-flow.h (safe_referenced_var_iterator): New structure.
5244         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5245         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5246         safe_referenced_var iterator.
5247         (add_type_alias): Ditto.
5248
5249 2005-07-19  Steven Bosscher  <stevenb@suse.de>
5250
5251         * loop-init.c (rest_of_handle_loop2): Remove.
5252         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5253         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5254         (pass_rtl_loop_init, pass_rtl_loop_done,
5255         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5256         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5257         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5258         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5259         pass_tree_loop_done, and pass_tree_unswitch.
5260         (gate_loop): Rename to gate_tree_loop.
5261         * passes.c (init_optimization_passes): Update for renamed tree
5262         loop passes.  Add the new loop2 passes as subpasses of loop2.
5263         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5264         Update for the renamed tree loop passes.
5265
5266 2005-07-18  Ian Lance Taylor  <ian@airs.com>
5267
5268         PR middle-end/22057
5269         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5270         blocks when optimizing.
5271
5272 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
5273
5274         * common.opt (frename-registers): Initialize to 2.
5275         (fweb): Ditto.
5276         (fgcse-after-reload): Ditto.
5277         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5278         (process_options): Only change flag_web, flag_rename_registers,
5279         and flag_rerun_cse_after_loop if not explicitly set by user.
5280
5281 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5282
5283         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5284         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5285         in 64-bit mode the same as DImode in 32-bit mode.
5286         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5287         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5288         mode. Add new mode parameter.
5289         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5290         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5291         x86_64_shift_adj): New expanders.
5292         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5293         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5294         insns.
5295         Respective new splitters. Use renamed shift splitter helpers in 32-bit
5296         DImode shift splitters.
5297         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5298         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5299         mode parameter.
5300
5301 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5302
5303         * i386.md (movdi_extzv_1): New.
5304         (zero_extendhidi2): Combine alternatives and never force use of
5305         REX64 prefix.
5306         (zero_extendqidi2): Likewise. Don't restrict input selection.
5307
5308 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5309
5310         Fix PR tree-optimization/22531
5311         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
5312          moment.
5313
5314 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5315
5316         * tree-promote-statics.c (pass_promote_statics): Change dump file
5317          name.
5318
5319 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5320
5321         * tree-optimize.c (init_tree_optimization_passes): Add
5322         pass_eliminate_useless_stores pass.
5323         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5324         * tree-ssa-pre.c (is_copy_stmt): New function.
5325         (follow_copies_till_vuse): Ditto.
5326         (do_eustores): Ditto.
5327         (gate_eustores): Ditto.
5328
5329 2005-07-16  Richard Henderson  <rth@redhat.com>
5330
5331         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5332
5333 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5334            Kenneth Zadeck <zadeck@naturalbridge.com>
5335
5336         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5337         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5338         ipa-type-escape.h, tree-promote-statics.c
5339         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5340         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5341         tree-promote-statics.c: new files.
5342         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5343         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5344         int nonlocal_set_p, mark_constant_function): Deleted.
5345         (rest_of_handle_cfg): Removed call to mark_constant_function.
5346         (nonoverlapping_component_refs_p): Added calls to support
5347         type based aliasing.
5348         * tree-ssa-alias.c (may_alias_p,
5349         compute_flow_insensitive_aliasing): Ditto.
5350         * calls.c (flags_from_decl_or_type): Removed reference to
5351         cgraph_rtl_info.
5352         * c-typeck.c (convert_arguments): Make builtins tolerant of having
5353         too many arguments.  This is necessary for Spec 2000.
5354         * cgraph.h (const_function, pure_function): Removed.
5355         * common.opt: Added "fipa-pure-const", "fipa-reference",
5356         "fipa-type-escape", and "ftree-promote-static".
5357         * opts.c: Ditto.
5358         * passes.c: Added ipa and tree-promote-statics passes.
5359         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5360         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5361         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5362         * tree-flow.h: Added exposed sra calls and addition of
5363         reference_vars_info field for FUNCTION_DECLS.
5364         * tree-pass.h: Added passes.
5365         * tree-sra.c: (sra_init_cache): New function.
5366         (sra_insert_before, sra_insert_after) Made public.
5367         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5368         and made public.
5369         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5370         aliasing. (may_alias_p): Added code to use type escape analysis to
5371         improve alias sets.
5372         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5373         code to prune clobbers of static variables based on information
5374         produced in ipa-reference pass.  Changed call clobbering so that
5375         statics are not marked as clobbered if the call does not clobber
5376         them.
5377
5378 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
5379
5380         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5381         too.
5382
5383 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5384
5385         * doc/install.texi (*-*-solaris2*): Document recommended version
5386         of GNU binutils and mention GNU linker problem on Solaris 10.
5387
5388 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
5389
5390         PR c/22421
5391         * c-decl.c (c_build_bitfield_integer_type): New function.
5392         (finish_struct): Call it.
5393         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5394
5395 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5396
5397         * c-typeck.c (digest_init): Call 'convert_for_assignment'
5398         before returning.
5399
5400 2005-07-16  Jan Hubicka  <jh@suse.cz>
5401
5402         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5403         (scale_bbs_frequencies_int): Watch roundoff errors.
5404         * predict.c (return_prediction): Initialize return_stmt.
5405
5406 2005-07-16  Jan Hubicka  <jh@suse.cz>
5407
5408         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5409         after RTL profiling.
5410
5411 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
5412
5413         PR middle-end/22398
5414         * fold-const.c (build_range_check): Convert high/low to etype
5415         if we are only comparing against exp.
5416
5417 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
5418
5419         Fix PR tree-optimization/22376
5420         * tree-ssa-structalias.c (build_constraint_graph): We really meant
5421         special var here.
5422         (need_to_solve): New function.
5423         (compute_points_to_sets): Use it.
5424
5425 2005-07-15  Jan Hubicka  <jh@suse.cz>
5426
5427         * cfg.c (update_bb_profile_for_threading): More diagnostic.
5428         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5429
5430 2005-07-15  Richard Guenther  <rguenther@suse.de>
5431
5432         * c-common.c (handle_flatten_attribute): New function.
5433         Add flatten function attribute.
5434         * doc/extend.texi: Document flatten function attribute.
5435         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5436         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5437         New functions.
5438         (cgraph_decide_inlining): Handle functions with flatten
5439         attribute.
5440
5441 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
5442
5443         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5444         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5445         UNSPEC_XCHG, UNSPEC_AND): New.
5446         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5447         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5448         * config/rs6000/sync.md (FETCHOP): New code macro.
5449         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5450         New code attrs.
5451         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5452         (sync_compare_and_swap<mode>): Same.
5453         (sync_lock_test_and_set<mode>): Same.
5454         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5455         for QImode and HImode, and not PPC405.
5456         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5457         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5458         (sync_<fetchop>{si,di}_internal): New.
5459         (sync_nand{si,di}_internal): New.
5460         (sync_old_<fetchop>{si,di}_internal): New.
5461         (sync_old_nand{si,di}_internal): New
5462         (sync_new_<fetchop>{si,di}_internal): New.
5463         (sync_new_nand{si,di}_internal): New.
5464         (atomic_and{si,di}): New.
5465         (sync_new_nand{si,di}_internal): New.
5466         (atomic_and{si,di}): New.
5467         (sync_add<mode>_internal): Delete.
5468         (sync_addshort_internal): Use unspec instead of unspec_volatile.
5469         (sync_sub<mode>_internal): Delte.
5470         (sync_subshort_internal): New.
5471         (sync_andsi_internal): Use unspec instead of unspec_volatile.
5472         (sync_anddi_internal): Delete.
5473         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5474         (sync_booldi_internal): Delete.
5475         (sync_boolc<mode>_internal): Delete.
5476         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5477         (sync_boolc<mode>_internal2): Delete.
5478         (sync_boolcc<mode>_internal): Delete.
5479         (isync, lwsync): Use unspec instead of unspec_volatile.
5480         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5481         Revert UNSPEC_VOLATILE.
5482         (rs6000_split_atomic_op): New.
5483         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5484
5485 2005-07-14  Eric Christopher  <echristo@redhat.com>
5486
5487         * config/mips/mips.c (mips_canonicalize_comparison): Cast
5488         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5489
5490 2005-07-14  Eric Christopher  <echristo@redhat.com>
5491
5492         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5493
5494 2005-07-14  Steven Bosscher  <stevenb@suse.de>
5495
5496         PR tree-optimization/22230
5497         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5498         the computation of the four cross productions for "range op range".
5499
5500 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
5501             Ulrich Weigand  <uweigand@de.ibm.com>
5502
5503         PR target/20126
5504         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5505         in some insn.
5506
5507 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
5508
5509         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5510
5511 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
5512
5513         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5514
5515 2005-07-14  Richard Guenther  <rguenther@suse.de>
5516
5517         PR middle-end/22347
5518         * config/i386/i386-protos.h (ix86_function_value): Change
5519         prototype to match new target hook.
5520         * config/i386/i386.c (ix86_value_regno): Change prototype
5521         to take extra type argument.
5522         (TARGET_FUNCTION_VALUE): Define.
5523         (ix86_function_ok_for_sibcall): Pass extra argument to
5524         ix86_value_regno, check return slot rtx for exact match.
5525         (ix86_function_value): Take extra parameter.  Dispatch to
5526         ix86_value_regno with fndecl/fntype as provided.
5527         (ix86_value_regno): Handle extra type argument.
5528         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5529
5530         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5531         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5532         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5533         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5534         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5535
5536 2005-07-14  Richard Guenther  <rguenther@suse.de>
5537
5538         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5539         * calls.c (expand_call): Pass fntype to hard_function_value.
5540         (emit_library_call_value_1): Likewise.
5541         * explow.c: Include target.h.
5542         (hard_function_value): Take extra argument, the fntype.
5543         Use new target hook for function_value.
5544         * expr.h (hard_function_value): Change prototype.
5545         * function.c (aggregate_value_p): Pass 0 as fntype to
5546         hard_function_value.
5547         (assign_parms): Use new target hook for function_value.
5548         Pass 0 as fntype to hard_function_value.
5549         (expand_function_end): Likewise.
5550         * reg-stack.c: Include target.h.
5551         (stack_result): Use new target hook for function_value.
5552         * target-def.h: New target hook function_value.
5553         * target.h: Likewise.
5554         * targhooks.c (default_function_value): New function.
5555         * targhooks.h (default_function_value): Declare.
5556
5557 2005-07-13  Ian Lance Taylor  <ian@airs.com>
5558
5559         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5560
5561 2005-07-14  Jan Hubicka  <jh@suse.cz>
5562
5563         * tree-dfa.c (dump_variable): Use default_def function.
5564         * tree-ssa-alias.c (dump_points_to_info): Likewise.
5565         * tree-ssa.c (verify_use): Likewise.
5566         * tree-ssanames.c (release_ssa_name): Likewise.
5567         * tree-tailcall.c (eliminate_tail_call): Likewise.
5568         (tree_optimize_tail_calls_1): Likewise.
5569         * tree-vrp.c (get_value_range): Likewise.
5570
5571 2005-07-14  Ben Elliston  <bje@au.ibm.com>
5572
5573         * gcc.c (main): Compare language[0] with '*' when iterating over
5574         the infiles.
5575
5576 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5577
5578         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5579         "s390_emit_compare".  Add handling of CCZ1mode.
5580         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5581         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5582         checking.
5583         (s390_branch_condition_mask): Add CCZ1mode handling.
5584         * config/s390/s390.md: ("seq", "*seq"): New pattern.
5585         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5586         Use CCZ1mode instead of CCZmode.
5587         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
5588
5589 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5590
5591         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5592         pattern.
5593         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5594
5595 2005-07-13  Eric Christopher  <echristo@redhat.com>
5596
5597         * config/mips/mips.c (mips_canonicalize_comparison): New.
5598         (mips_emit_int_relational): Use.
5599
5600 2005-07-13  Eric Christopher  <echristo@redhat.com>
5601
5602         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5603         static extra parts.
5604         * config/s390/s390.md: Include tpf.md. Move tpf specific
5605         patterns...
5606         * config/s390/tpf.md: To here.
5607         * config/s390/s390.opt: Move tpf specific options...
5608         * config/s390/tpf.opt: to here. Add mmain option.
5609         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5610         * config/s390/tpf.h: Rewrite.
5611
5612 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5613
5614         * doc/tm.texi: Remove @xref{Cross-profiling}.
5615
5616 2005-07-13  Jeff Law  <law@redhat.com>
5617
5618         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5619         expressions, test their _DECL operands for pointer equality rather
5620         than using operand_equal_p.
5621
5622 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5623
5624         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5625         (TARGET_POSIX_IO): This.
5626         * config/darwin.h: Likewise.
5627         * config/freebsd.h: Likewise.
5628         * config/linux.h: Likewise.
5629         * config/lynx.h: Likewise.
5630         * config/netbsd.h: Likewise.
5631         * config/rs6000/linux64.h: Likewise.
5632         * config/rs6000/linux.h: Likewise.
5633         * config/s390/tpf.h: Likewise.
5634         * config/sh/embed-elf.h: Likewise.
5635         * config/sparc/linux64.h: Likewise.
5636         * config/sparc/linux.h: Likewise.
5637         * config/svr4.h: Likewise.
5638         * gcov-io.h: Likewise.
5639
5640         * doc/tm.texi: Updated.
5641
5642         * libgcov.c (create_file_directory): Defined only if
5643         TARGET_POSIX_IO is defined.
5644         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5645         is defined.
5646
5647 2005-07-13  Jan Hubicka  <jh@suse.cz>
5648
5649         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5650
5651 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
5652
5653         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5654         structure as argument.
5655
5656 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
5657
5658         PR tree-optimization/21921
5659         * tree-iterator.c (tsi_link_before): Support the case when
5660         tsi_end_p (tsi) == true.
5661
5662 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5663
5664         PR tree-optimization/22442
5665         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5666         correctly.
5667
5668 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5669
5670         PR rtl-optimization/20376
5671         * toplev.c (process_options): Enable -fweb and -frename-registers when
5672         unrolling.
5673         * doc/invoke.texi: Update the information about when -fweb and
5674         -frename-registers are enabled.
5675
5676 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5677
5678         PR tree-opt/21840
5679         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5680         if *rhs_p is not a SSA_NAME.
5681
5682 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
5683
5684         Fix PR tree-optimization/22422
5685         * tree-ssa-structalias.c (struct variable_info): Add flag for
5686         special vars.
5687         (get_varinfo): Now a static function.
5688         (new_varinfo): init has_union and is_special_var to false.
5689         (solution_set_add): Check has_union.
5690         (do_da_constraint): Move temporary variable so it gets reset
5691         properly.
5692         Also check for special variable.
5693         (do_ds_constraint): Ditto.
5694         (do_sd_constraint): Ditto.
5695         (do_structure_copy): Check for special variable.
5696         (find_func_aliases): Ditto.
5697         (init_base_vars): Set special vars properly.
5698
5699 2005-07-13  Jan Hubicka  <jh@suse.cz>
5700
5701         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5702         do unit-at-a-time.
5703
5704         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5705         (get_expr_operands): Fix thinko wrt flags and subvars.
5706
5707         PR tree-optimize/22379
5708         * tree-inline.c (expand_call_inline): Do not output sorry in early
5709         inlining.
5710
5711 2005-07-12  Dale Johannesen  <dalej@apple.com>
5712
5713         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
5714
5715 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5716
5717         PR bootstrap/21704
5718         * host-linux.h: Include limits.h.
5719
5720 2005-07-12  Dale Johannesen  <dalej@apple.com>
5721
5722         * expr.c (compress_float_constant):  Add cost check.
5723         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
5724
5725 2005-07-12  Dale Johannesen  <dalej@apple.com>
5726
5727         * gcc.target/i386/compress-float-sse.c:  New.
5728         * gcc.target/i386/compress-float-sse-pic.c:  New.
5729         * gcc.target/i386/compress-float-387.c:  New.
5730         * gcc.target/i386/compress-float-387-pic.c:  New.
5731         * gcc.dg/compress-float-ppc.c:  New.
5732         * gcc.dg/compress-float-ppc-pic.c:  New.
5733
5734 2005-07-12  Eric Christopher  <echristo@redhat.com>
5735
5736         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5737         static extra parts.
5738         * config/s390/s390.md: Include tpf.md. Move tpf specific
5739         patterns...
5740         * config/s390/tpf.md: To here.
5741         * config/s390/s390.opt: Move tpf specific options...
5742         * config/s390/tpf.opt: to here. Add mmain option.
5743         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5744         * config/s390/tpf.h: Rewrite.
5745
5746 2005-07-12  Eric Christopher  <echristo@redhat.com>
5747
5748         * gcc.c (struct infile): Update comment for language.
5749         (main): Rewrite input file resetting code.
5750
5751 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5752
5753         PR tree-opt/22335
5754         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5755         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
5756         (lookup_avail_expr): Use constant_boolean_node instead
5757         of boolean_false_node/boolean_true_node.
5758
5759 2005-07-12  Ben Elliston  <bje@au.ibm.com>
5760
5761         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5762         and use it when printing num_edges.
5763
5764 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5765
5766         * doc/extend.texi (Blackfin Built-in Functions): New section.
5767         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5768         @opindex.
5769
5770 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5771
5772         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5773         s/cmpstrsi/cmpstrnsi
5774         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5775         'cmpstrnsi'.
5776         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5777         (init_optabs): Initialize cmpstrn_optab.
5778         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5779         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5780         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5781         * config/i386/i386.md: s/cmpstr/cmpstrn
5782         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5783         * doc/md.texi: Update documentation.
5784
5785 2005-07-11  Richard Henderson  <rth@redhat.com>
5786
5787         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5788         build_va_arg_indirect_ref.
5789         (alpha_gimplify_va_arg): Likewise.
5790         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5791         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5792         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5793         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5794         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5795         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5796         Likewise.
5797         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5798
5799 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5800
5801         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5802         * passes.c (init_optimization_passes): Add pass_empty_loop.
5803         * tree-pass.h (pass_empty_loop): Declare.
5804         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5805         try_remove_empty_loop, remove_empty_loops): New functions.
5806         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5807         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5808
5809 2005-07-12  Peter Barada  <peter@the-baradas.com>
5810
5811         PR middle-end/16719
5812         PR middle-end/18421
5813         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5814         in address registers.
5815         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5816         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5817         alternative of addsi3_5200.
5818
5819 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5820
5821         * config/mips/mips.md (ffs<mode>2): Remove.
5822
5823 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5824
5825         * doc/tree-ssa.texi (Cleanups): Improve description of
5826         TRY_FINALLY_EXPR.
5827         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5828
5829 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5830
5831         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5832         * tree.h (DECL_ARGUMENT_FLD): New macro.
5833
5834 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5835
5836         Fix PR tree-optimization/22404
5837
5838         * tree-ssa-structalias.c (create_variable_info_for): Use
5839         correct offset.
5840
5841 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5842
5843         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5844         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5845         for second comparison operand.
5846         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5847
5848         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5849         (define_insn_reservation "alu"): Likewise.
5850         (csync, ssync): Now of type sync.
5851         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5852         -mcsync-anomaly -mspecld-anomaly.
5853         * config/bfin/bfin.opt (mcsync): Remove.
5854         (mcsync-anomaly, mspecld-anomaly): Add.
5855         * config/bfin/bfin.c: Include "insn-codes.h".
5856         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5857         (TARGET_DEFAULT_TARGET_FLAGS): New.
5858         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5859
5860 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5861
5862         * basic-block.h: Give the BB flags enum a name, bb_flags.
5863         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5864         * cfgcleanup.c (enum bb_flags): Remove here.
5865         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5866         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5867         (update_forwarder_flag): Likewise.
5868         (thread_jump): Likewise.
5869         (try_forward_edges): Likewise.
5870         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5871         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5872         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5873
5874 2005-07-11  Richard Guenther  <rguenther@suse.de>
5875
5876         * config/i386/i386.opt: New target option -msseregparm.
5877         * config/i386/i386.c (override_options): Error out for
5878         -msseregparm but no SSE support.
5879         (ix86_function_sseregparm): Check for global sseregparm.
5880         * doc/invoke.texi: Document -msseregparm.
5881
5882 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5883
5884         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5885         (m32rle-*-linux*): Ditto.
5886
5887 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5888
5889         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5890         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5891         bytes.
5892
5893 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5894
5895         PR middle-end/22239
5896         PR target/20126
5897         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5898         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5899
5900 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5901
5902         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5903         (varmap): Heapify varmap.
5904         (constraints): Heapify constraints.
5905         (struct constraint_graph): Heapify succs and preds.
5906         (constraint_vec_find): Update for heapification.
5907         (constraint_set_union): Ditto.
5908         (insert_into_complex): Ditto.
5909         (constraint_edge_vec_find): Ditto.
5910         (erase_graph_self_edge): Ditto.
5911         (add_graph_edge): Ditto.
5912         (get_graph_weights): Ditto.
5913         (merge_graph_nodes): Ditto.
5914         (build_constraint_graph): Ditto.
5915         (topo_visit): Ditto.
5916         (solve_graph): Ditto.
5917         (create_variable_info_for): Ditto.
5918         (init_base_vars): Ditto.
5919         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5920         (condese_varmap_nodes): Free complex vector.
5921         (clear_edges_for_node): Clear succs and preds vector.
5922
5923 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5924
5925         * tree-ssa-structalias.c (update_alias_info): Change counting of
5926         references to not include vdefs.
5927
5928 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5929
5930         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5931         (up_insert): Ditto.
5932
5933 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5934
5935         * pa.c (pa_commutative_p): Make PLUS commutative when
5936         TARGET_NO_SPACE_REGS is true.
5937
5938 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5939
5940         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5941         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5942         * tree-dfa.c (dump_subvars_for): New.
5943         (debug_subvars_for): New.
5944         (dump_variable): Show subvariables if VAR has them.
5945         * tree-flow-inline.h (get_subvar_at): New.
5946         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5947         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5948         Update all users.
5949         (struct subvar): Change fields offset and size to unsigned
5950         HOST_WIDE_INT.
5951         (dump_subvars_for): Declare.
5952         (debug_subvars_for): Declare.
5953         (get_subvar_at): Declare.
5954         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5955         to unsigned HOST_WIDE_INT *.
5956         (overlap_subvar): Likewise.
5957         * tree-gimple.c (is_gimple_reg): Always return false for
5958         SFTs and memory tags.
5959         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5960         Update all callers.
5961         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5962         (compute_may_aliases): Call compute_points_to_sets.
5963         (collect_points_to_info_for): Remove.
5964         (compute_points_to_and_addr_escape): Remove.
5965         (delete_alias_info): Call delete_points_to_sets.
5966         (compute_flow_sensitive_aliasing): If the call to
5967         find_what_p_points_to returns false, call set_pt_anything.
5968         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5969         (set_pt_anything): Clear pi->pt_vars.
5970         (set_pt_malloc): Remove.
5971         (merge_pointed_to_info): Remove.
5972         (add_pointed_to_expr): Remove.
5973         (add_pointed_to_var): Remove.
5974         (collect_points_to_info_r): Remove.
5975         (is_escape_site): Make extern.
5976         (create_sft): New.
5977         (create_overlap_variables_for): Call it.
5978         * tree-ssa-copy.c (merge_alias_info): Never merge
5979         flow-sensitive alias information.
5980         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5981         offset and size to be unsigned HOST_WIDE_INT.
5982         (add_to_addressable_set): Rename from note_addressable.
5983         Set TREE_ADDRESSABLE as the variables are added to the set.
5984         Update all users.
5985         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5986         operands into VUSEs when adding V_MAY_DEFs for members in an
5987         alias set.
5988         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5989         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5990         (struct variable_info): Add bitfield is_heap_var.
5991         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5992         (new_var_info): Initialize is_heap_var.
5993         (get_constraint_for): Add HEAP variables to the symbol table.
5994         Mark them with is_heap_var.
5995         (update_alias_info): New.  Taken mostly from the old
5996         compute_points_to_and_addr_escape.
5997         (handle_ptr_arith): New.
5998         (find_func_aliases): Call update_alias_info.
5999         Call handle_ptr_info for tcc_binary expressions.
6000         Call mark_stmt_modified.
6001         (create_variable_info_for): If DECL has subvars, do not create
6002         variables for its subvars.  Always add all the fields.
6003         (set_uids_in_ptset): If the solution includes ANYOFFSET and
6004         SFTs, then add all the SFTs of the structure.
6005         If VI->DECL is an aggregate with subvariables, add the SFT at
6006         VI->OFFSET.
6007         (find_what_p_points_to): If VI is an artificial variable,
6008         translate to bitfields in SSA_NAME_PTR_INFO.
6009         If the solution is empty, set pi->pt_vars to NULL
6010         (init_base_vars): Create ANYOFFSET.
6011         (compute_points_to_sets): Rename from create_alias_vars.
6012         Make extern.
6013         (pass_build_pta): Remove.
6014         (delete_points_to_sets): Rename from delete_alias_vars.
6015         (pass_del_pta): Remove.
6016         * tree-ssa-structalias.h (struct alias_info): Move from
6017         tree-ssa-alias.h.
6018         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6019         NUM_REFERENCES_SET): Likewise.
6020         (compute_points_to_sets, delete_points_to_sets): Declare.
6021
6022 2005-07-09  Richard Henderson  <rth@redhat.com>
6023
6024         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6025         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6026         alpha_split_lock_test_and_set_12): New functions.
6027         * config/alpha/alpha-protos.h: Update.
6028         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6029         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6030         * config/alpha/sync.md (I12MODE): New.
6031         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6032         (sync_<fetchop_name><I48MODE>): Likewise.
6033         (sync_nand<I48MODE>): Likewise.
6034         (sync_old_<fetchop_name><I48MODE>): Likewise.
6035         (sync_new_<fetchop_name><I48MODE>): Likewise.
6036         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6037         (sync_compare_and_swap<I48MODE>): Likewise.
6038         (sync_lock_test_and_set<I48MODE>): Likewise.
6039         (sync_compare_and_swap<I12MODE>): New.
6040         (sync_compare_and_swap<I12MODE>_1): New.
6041         (sync_lock_test_and_set<I12MODE>): New.
6042         (sync_lock_test_and_set<I12MODE>_1): New.
6043
6044 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6045
6046         PR 21356
6047         PR 22332
6048         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6049
6050 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
6051
6052         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6053         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6054
6055 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
6056
6057         PR target/21656
6058         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6059
6060 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
6061
6062         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6063         memory_operand constraint.
6064         (store_conditional_<mode>): Same.
6065         (sync_compare_and_swap<mode>): Same.
6066         (sync_lock_test_and_set<mode>): Same.
6067
6068 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
6069
6070         Rewrite PIC support to more closely model actual instructions.
6071         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6072         (cris_symbol): Remove prototypes for removed functions.
6073         (cris_pic_symbol_type_of, cris_valid_pic_const)
6074         (cris_expand_pic_call_address): Prototypes for new functions.
6075         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6076         variable.
6077         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6078         modifiers.
6079         <case ':'>: Add case for new punctuation character.
6080         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6081         emitting (extra) PIC modifier.
6082         <case UNSPEC>: Do not assert for PLT.
6083         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6084         (cris_expand_prologue, cris_expand_epilogue): Check
6085         for pic_offset_table_rtx usage instead of taking
6086         current_function_uses_pic_offset_table as the final word.
6087         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6088         Remove flag_pic difference.
6089         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6090         the moral equivalents of...
6091         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6092         functions.
6093         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6094         (cris_handle_option): Mark ARG as unused.
6095         (cris_expand_pic_call_address): New worker function for "call",
6096         "call_value".
6097         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6098         output PIC constructs here.
6099         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6100         as symbol-specific modifers, not whole or part of operands.
6101         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6102         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6103         constants and flag_pic.
6104         (CONSTANT_INDEX_P): Adjust for new functions.
6105         (enum cris_pic_symbol_type): New helper type.
6106         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6107         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6108         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6109         define_constants.
6110         ("movsi"): Emit actual instructions for GOT and relative access.
6111         ("*movsi_got_load"): New pattern to set up the register holding
6112         the GOT pointer.
6113         ("*movsi_internal"): Operand 1 is not a plain general_operand.
6114         Adjust FIXME for 'S'.
6115         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6116         Use "movs" for -fpic cases.
6117         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6118         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6119         ("call", "call_value"): Just call cris_expand_pic_call_address for
6120         PIC addresses.
6121         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6122         Remove special pattern.
6123         ("*expanded_call_side", "*expanded_call_value_side"): New
6124         patterns.
6125         (gotplt-to-plt, gotplt-to-plt-side-call)
6126         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6127         peephole2:s.
6128         * config/cris/cris/predicates.md
6129         ("cris_general_operand_or_gotless_symbol"): Remove unused
6130         predicate.
6131         ("cris_general_operand_or_symbol"): Adjust for new functions.
6132
6133 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6134
6135         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6136
6137 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
6138
6139         * Makefile.in (TREE_H): Add treestruct.def.
6140         (c-decl.o): Add pointer-set.h
6141         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6142         visibility on regular DECL's.
6143         (merge_decls): Fix the copying of decl nodes of various types for
6144         the new structures.  Don't update RTL, section name, weak status,
6145         etc, on DECL's without RTL.
6146         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6147         Don't check volatile on non-variable types.
6148         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6149         to check whether we have seen arguments.
6150         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6151         flag is checked before field (flag is common, field is not).
6152         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
6153         TS_DECL_COMMON could have an origin.
6154         (add_location_or_const_value_attribute): Don't check section name
6155         on non-var/function decls.
6156         (dwarf2out_var_location): Reverse order of tests.
6157         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6158         with DECL_WRTL_CHECK.
6159         * expmed.c (make_tree): rtl is now in decl_with_rtl.
6160         * fold-const.c (fold_binary): Don't check weakness on
6161         non-var/function decls.
6162         (tree_expr_nonzero_p): Ditto.
6163         (fold_checksum_tree): Use tree_decl_extra as sizeof
6164         buffer.
6165         * ggc-page.c (extra_order_size_table): Add sizes for
6166         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
6167         tree_field_decl.
6168         * gimplify.c (gimplify_bind_expr): Only set
6169         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6170         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6171         without RTL.
6172         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6173         * langhooks.h (init_ts). New langhook.
6174         * passes.c (rest_of_decl_compilation): Reverse order of tests.
6175         * print-tree.c (print_node): Update to only print fields that
6176         exist in the structures the passed decl has.
6177         * toplev.c (wrapup_global_declarations): Don't reset
6178         DECL_DEFER_OUTPUT on DECL's that don't contain it.
6179         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6180         * tree-inline.c (remap_decl): Ditto.
6181         * tree-outof-ssa.c (create_temp): Reverse order of tests.
6182         * tree-pretty-print.c (print_declaration): Don't print
6183         DECL_REGISTER on things that don't contain it.
6184         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6185         non-var/function decls.
6186         * tree.c (tree_contains_struct): New structure.
6187         (init_priority_for_decl): New hashtable.
6188         (tree_int_map): New structure.
6189         (tree_int_map_eq): New function.
6190         (tree_int_map_marked_p): Ditto.
6191         (tree_int_map_hash): Ditto.
6192         (tree_map): Move to tree.h.
6193         (tree_map_eq): Externalize.
6194         (tree_map_hash): Ditto.
6195         (tree_map_marked_p): Ditto.
6196         (init_ttree): Set up tree_contains_struct and call langhook.
6197         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6198         (tree_code_size): Update for new structures.
6199         (tree_node_structure): Update for new structures.
6200         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6201         without the field.
6202         (copy_node_stat):  Copy init priority.
6203         (build_decl_stat): Ditto for visibility.
6204         (ts_enum_names): New.
6205         (tree_contains_struct_check_failed): New function.
6206         (decl_init_priority_lookup): Ditto.
6207         (decl_init_priority_insert): Ditto.
6208         * treestruct.def: New file.
6209         * tree.h (CODE_CONTAINS_STRUCT): New macro.
6210         (CONTAINS_STRUCT_CHECK): Ditto.
6211         (tree_contains_struct_check_failed): New prototype.
6212         (DECL_CHECK): Removed.
6213         (DECL_MINIMAL_CHECK): New.
6214         (DECL_COMMON_CHECK): Ditto.
6215         (DECL_WRTL_CHECK): Ditto.
6216         (DECL_NON_COMMON_CHECK): Ditto.
6217         (DECL_WITH_VIS_CHECK): Ditto.
6218         (VAR_OR_FUNCTION_DECL_P): Ditto
6219         (struct tree_decl_minimal): New structure.
6220         (struct tree_decl_common): Ditto.
6221         (struct tree_decl_with_rtl): Ditto.
6222         (struct tree_decl_with_vis): Ditto.
6223         (struct tree_decl_non_common): Ditto.
6224         (struct tree_field_decl): Ditto.
6225         (struct tree_parm_decl): Ditto.
6226         (struct tree_var_decl): Ditto.
6227         (struct tree_function_decl): Ditto.
6228         (struct tree_const_decl): Ditto.
6229         (struct tree_result_decl): Ditto.
6230         (union tree_node): Add new structures.
6231         * var-tracking.c (track_expr_p): Reverse order of tests.
6232
6233         * doc/c-tree.texi: Add documentation on DECL node internal structure.
6234
6235 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6236
6237         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6238         * system.h: Poison FINALIZE_PIC.
6239         * doc/tm.texi (FINALIZE_PIC): Remove.
6240
6241 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6242
6243         PR tree-opt/22329
6244         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6245         to the correct type if we have a MODIFY_EXPR.
6246
6247 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6248
6249         PR tree-optimization/22360
6250         * tree.c (upper_bound_in_type): Fix calculations for casting
6251         to a non-wider signed type and casting a signed value to a
6252         wider unsigned type.
6253         (lower_bound_in_type): Fix calculations for casting to a
6254         non-wider signed type.
6255
6256         PR tree-optimization/20139
6257         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6258         release_defs.
6259         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6260         fold_cond_expr_cond.
6261         * tree-ssanames.c (release_defs): Assert in_ssa_p.
6262         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6263
6264 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6265
6266         PR tree-opt/22356
6267         * tree-complex.c (expand_complex_libcall): Produce
6268         REALPART_EXPR/IMAGPART_EXPR with the correct type.
6269
6270 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
6271
6272         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6273         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6274         b" assert and inserted fastpath code for this case.
6275         (bitmap_ior): Removed "a != b" assert.
6276
6277 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6278
6279         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6280         (ENDFILE_SPEC): Likewise.
6281         * config/m32r/m32r.h (ASM_SPEC): Likewise.
6282
6283         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6284         a large stack frame at epilogue.
6285
6286 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
6287
6288         * final.c: Include sdbout.h when required.
6289
6290 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
6291
6292         * config.gcc (*-*-darwin*): Only one target-specific header file
6293         for generic darwin.
6294         (powerpc-*-darwin*): Add version-specific header files.
6295         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6296         * config.in: Regenerate.
6297         * configure: Regenerate.
6298         * gcc.c: Include xregex.h.
6299         (version_compare_spec_function): New.
6300         (spec_function): Add version-compare.
6301         (replace_outfile_spec_function): Reformat comment.
6302         (compare_version_strings): New.
6303         * config/darwin-c.c (version_as_macro): New.
6304         (builtin_define): New.
6305         (darwin_cpp_builtins): New.
6306         * config/darwin-protos.h (darwin_cpp_builtins): New.
6307         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6308         (LIB_SPEC): Make unconditional, update comment.
6309         (TARGET_C99_FUNCTIONS): Define.
6310         * config/darwin.opt: Sort.
6311         (mmacosx-version-min=): New.
6312         * config/darwin7.h: Delete.
6313         * config/darwin8.h: Delete.
6314         * config/i386/darwin.h (): Call darwin_cpp_builtins.
6315         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6316         (TARGET_C99_FUNCTIONS): Define.
6317         * config/rs6000/darwin7.h: New.
6318         * config/rs6000/darwin8.h: New.
6319         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6320         (-mmacosx-version-min): Document.
6321
6322 2005-07-07  Ian Lance Taylor  <ian@airs.com>
6323
6324         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6325
6326 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
6327
6328         PR middle-end/22239
6329         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6330
6331 2005-07-07  Khem Raj  <kraj@mvista.com>
6332
6333         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6334         in bytes, not words.
6335
6336 2005-07-07  Paul Brook  <paul@codesourcery.com>
6337
6338         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6339         DEFAULT_FUNCTION_ARG_PADDING to upward.
6340
6341 2005-07-07  Richard Henderson  <rth@redhat.com>
6342
6343         * function.c (locate_and_pad_parm): Record parameter alignment in
6344         stack_alignment_needed.
6345
6346 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
6347
6348         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6349         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6350         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6351         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6352         (define_attr "type"): Add isync, sync, load_l, store_c.
6353         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6354         Create scratch volatile MEM.
6355         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
6356         sync.
6357         (load_locked_<mode>): New.
6358         (store_conditional_<mode>): New.
6359         (sync_compare_and_swap<mode>): Replace with splitter.
6360         (sync_lock_test_and_set<mode>): Replace with splitter.
6361         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6362         and UNSPECV_ISYNC.
6363         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
6364         is ics.  Attribute isync.
6365         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
6366         lwsync.
6367         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6368         and UNSPECV_SYNC_OP.
6369         (emit_unlikely_jump): New.
6370         (emit_load_locked): New.
6371         (emit_store_conditional): New.
6372         (rs6000_split_compare_and_swap): New.
6373         (rs6000_split_lock_test_and_set): New.
6374         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6375         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6376         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6377         rs6000_split_lock_test_and_set): Declare.
6378         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6379         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6380         store_c, isync, sync.
6381
6382 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
6383
6384         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6385         filenames to gtyp-gen.h.
6386         (s-typ-gen): Use it in place of for loops.
6387
6388 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
6389
6390         * hooks.c (hook_bool_rtx_int_false): New function.
6391         * hooks.h (hook_bool_rtx_int_false): Declare.
6392         * target-def.h (TARGET_COMMUTATIVE_P): Define.
6393         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6394         * target.h (struct gcc_target): Add commutative_p member.
6395         * targhooks.c (hook_bool_rtx_commutative_p): New function.
6396         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6397         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6398         (pa_commutative_p): New function.
6399         * jump.c (target.h): Include.
6400         (rtx_renumbered_equal_p): Use targetm.commutative_p.
6401         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6402
6403 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6404
6405         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6406         (s390_expand_setmem): New.
6407         * config/s390/s390.c: Likewise.
6408         (print_shift_count_operand): Truncate to 12 bits instead of 6.
6409         Adapt comments.
6410         * config/s390/s390.md: ("setmem<mode>"): Accept character as
6411         general_operand.  Call new function "s390_expand_setmem".
6412         ("clrmem_long", "*clrmem_long"): Rewrite to ...
6413         ("setmem_long", "*setmem_long"): ... this.
6414
6415 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6416
6417         * config/s390/s390.c: (optimization_options): Enable
6418         TARGET_MVCLE at -Os.
6419         * doc/invoke.texi: Document changes in default behaviour.
6420         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6421
6422 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6423
6424         * expr.c: (set_storage_via_setmem): Convert opchar to mode
6425         defined by back-end.
6426
6427 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
6428
6429         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6430         all sets in the pattern.
6431         * config/rs6000/rs6000.md (stack_protect_testsi,
6432         stack_protect_testdi): Likewise.
6433
6434 2005-07-06  Jeff Law  <law@redhat.com>
6435
6436         * tree-vrp.c (simplify_using_ranges): Kill.
6437         (vrp_finalize): Remove call to simplify_using_ranges.
6438         (simplify_stmt_using_ranges): New function extracted from
6439         simplify_using_ranges.
6440         (simplify_div_or_mod_using_ranges): Likewise.
6441         (simplify_abs_using_ranges): Likewise.
6442         (simplify_cond_using_ranges): New function.
6443         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6444         * tree-ssa-propagate.c (substitute_and_fold): Call
6445         simplify_stmt_using_ranges if we have range information.
6446
6447 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
6448
6449         * config/ia64/ia64.c (ia64_reorg): Check optimize before
6450         ia64_flag_schedule_isns2.
6451
6452         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6453         reading/writing general registers.
6454         (ia64_function_arg): Revert 2005-06-18 change.
6455
6456 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
6457
6458         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6459         (legitimize_tls_address): Use gcc_unreachable instead of abort.
6460
6461 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
6462
6463         * function.c (expand_function_end): Revert part of 2005-06-27
6464         patch.  Do sjlj_emit_function_exit_after after return_label.
6465
6466 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
6467
6468         * doc/install.texi (--disable-libssp): New.
6469
6470 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
6471
6472         * doc/invoke.texi: Update -fforce-mem documentation.
6473         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6474         code for -fforce-mem.
6475         * expmed.c: (store_bit_field,store_fixed_bit_field,
6476         extract_bit_field): Ditto.
6477         * expr.c: (convert_move): Ditto.
6478         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6479         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6480         emit_conditional_add,expand_float,expand_fix): Ditto.
6481         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6482         (common_handle_option): Issue warning when -fforce-mem specified.
6483
6484 2005-07-06  Paul Brook  <paul@codesourcery.com>
6485
6486         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6487         argument is empty.
6488         * configure: Regenerate.
6489
6490 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
6491
6492         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6493
6494 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
6495
6496         Fix PR tree-optimization/22319
6497         Fix PR tree-optimization/22140
6498         Fix PR tree-optimization/22310
6499
6500         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6501         variable sized types.
6502         Use correct type for intermediate structure on *a = *b structure
6503         copies.
6504
6505 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6506
6507         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6508         Remove.
6509         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6510         (machine_function): Move typedef to...
6511         * config/rs6000/rs6000.c (machine_function): ... here.  Add
6512         varargs_save_offset field.
6513         (rs6000_stack_t): Remove varargs_size field.
6514         (setup_incoming_varargs): Allocate varargs save area using
6515         assign_stack_local, try to make it as small as possible.
6516         Save offset from virtual_stack_vars_rtx to the save area
6517         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
6518         instead of magic 8 when fp word byte size is used.
6519         (rs6000_va_start): Use cfun->machine->varargs_save_offset
6520         instead of -RS6000_VARARGS_SIZE.
6521         (rs6000_stack_info, debug_stack_info,
6522         rs6000_initial_elimination_offset): Remove all traces of
6523         varargs_size.
6524         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6525         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6526         RS6000_VARARGS_AREA.
6527
6528 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
6529
6530         PR tree-optimization/21963
6531         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6532         constant_multiple_of in the same way get_computation_cost_at does.
6533
6534 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6535
6536         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6537         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6538         (gen_compare_reg): If sparc_compare_emitted is set, clear it
6539         and return its previous value.
6540         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6541         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6542         constants.
6543         (stack_protect_set, stack_protect_test): New expanders.
6544         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6545         stack_protect_testdi): New insns.
6546         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6547         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6548
6549 2005-07-06  Jeff Law  <law@redhat.com>
6550
6551         * tree-ssa-dce.c (cfg_altered): New global.
6552         (tree_dce_init): Initialize cfg_altered.
6553         (remove_dead_stmt): If we remove an edge in the CFG, then set
6554         CFG_ALTERED.
6555         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6556         the dominators.
6557
6558 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
6559
6560         * Makefile.in (stamp-collect-ld): Use
6561         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
6562         ./collect-ld if it already exists.
6563         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6564         Don't remove ./nm if it already exists.
6565
6566 2005-07-05  Devang Patel  <dpatel@apple.com>
6567
6568         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6569         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6570         * tree-vectorizer.c (vect_loop_location): New.
6571         (vect_print_dump_info): Use vect_loop_location.
6572         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6573         (vectorize_loops): Set vect_loop_location.
6574         * tree-vect-analyze.c (vect_analyze_offset_expr,
6575         vect_determin_vectorization_factor, vect_analyze_operations,
6576         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6577         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6578         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6579         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6580         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6581         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6582         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6583         vect_analyze_loop): Adjust vect_print_dump_info API.
6584         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6585         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6586         vect_finish_stmt_generation, vectorizable_assignment,
6587         vectorizable_operation, vectorizable_store, vectorizable_load,
6588         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6589         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6590         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6591         vect_transform_loop): Same.
6592         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6593         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6594         Same.
6595
6596 2005-07-05  Randolph Chung  <tausq@debian.org>
6597
6598         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6599         * configure: Regenerate.
6600         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6601         (pa_tls_referenced_p): Declare.
6602         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6603         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6604         (legitimize_tls_address): New.
6605         (hppa_legitimize_address): Handle TLS addresses.
6606         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6607         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6608         (emit_move_sequence): Handle TLS addresses.
6609         (pa_encode_section_info): Call default handler to handle common
6610         sections.
6611         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6612         (CONSTANT_ADDRESS_P): Reject TLS operands.
6613         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6614         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6615         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6616         (UNSPEC_TLSLE): Define new constants.
6617         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6618         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6619         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6620         (tie_symbolic_operand, tle_symbolic_operand): New
6621
6622 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
6623
6624         * aclocal.m4: Update macros for autoconf 2.59 style.
6625         * configure.ac: Likewise.
6626
6627 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6628
6629         * pa.c (function_value): Handle small aggregates on 32-bit targets.
6630         (function_arg): Pass small aggregates in general registers on 32-bit
6631         targets.
6632         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6633
6634 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
6635
6636         * Makefile.in (final.o): Fix dependencies.
6637
6638 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6639
6640         PR c/22013
6641         PR c/22098
6642         * langhooks.h (struct lang_hooks): Add expr_to_decl.
6643         * langhooks.c (lhd_expr_to_decl): New.
6644         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6645         New.
6646         (LANG_HOOKS_INITIALIZER): Update.
6647         * tree.c (recompute_tree_invarant_for_addr_expr): Call
6648         expr_to_decl langhook.
6649         * c-tree.h (c_expr_to_decl): Declare.
6650         * c-typeck.c (c_expr_to_decl): New.
6651         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6652         specially.
6653         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6654
6655 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6656
6657         PR c/22308
6658         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6659         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6660
6661 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
6662
6663         * Makefile.in: Adjust dependencies.
6664         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6665         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6666         * alias.c (rest_of_handle_cfg, pass_cfg): New.
6667         * bb-reorder.c (duplicate_computed_gotos): Make it static.
6668         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6669         rest_of_compilation.
6670
6671         * bb-reorder.c (gate_duplicate_computed_gotos,
6672         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6673         rest_of_handle_reorder_blocks, pass_reorder_blocks,
6674         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6675         pass_partition_blocks): New.
6676         * bt-load.c (gate_handle_branch_target_load_optimize,
6677         rest_of_handle_branch_target_load_optimize,
6678         pass_branch_target_load_optimize): New.
6679         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6680         pass_jump2): New.
6681         * cfglayout.c (pass_insn_locators_initialize): New.
6682         * cfgrtl.c (pass_free_cfg): New.
6683         * combine.c (gate_handle_combine, rest_of_handle_combine,
6684         pass_combine): New.
6685         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6686         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6687         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6688         * except.c (pass_set_nothrow_function_flags,
6689         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6690         pass_rtl_eh): New.
6691         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6692         rest_of_handle_shorten_branches, pass_shorten_branches,
6693         rest_of_clean_state, pass_clean_state): New.
6694         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6695         rest_of_handle_remove_death_notes, pass_remove_death_notes,
6696         rest_of_handle_life, pass_life, rest_of_handle_flow2,
6697         pass_flow2): New.
6698         * function.c (pass_instantiate_virtual_regs, pass_init_function,
6699         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6700         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6701         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6702         pass_gcse): New.
6703         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6704         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6705         pass_rtl_ifcvt, gate_handle_if_after_combine,
6706         rest_of_handle_if_after_combine, pass_if_after_combine,
6707         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6708         pass_if_after_reload): New.
6709         * integrate.c (pass_initial_value_sets): New.
6710         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6711         pass_purge_lineno_notes): New.
6712         * mode-switching.c (rest_of_handle_mode_switching,
6713         pass_mode_switching): New.
6714         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6715         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6716         pass_loop2): New.
6717         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6718         pass_loop_optimize): New.
6719         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6720         pass_sms): New.
6721         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6722         pass_gcse2): New.
6723         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6724         pass_postreload_cse): New.
6725         * profile.c (gate_handle_profiling, pass_profiling,
6726         rest_of_handle_branch_prob, pass_branch_prob): New.
6727         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6728         pass_split_before_regstack, gate_handle_split_before_regstack,
6729         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6730         rest_of_handle_split_all_insns, pass_split_all_insns): New.
6731         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6732         pass_stack_regs): New.
6733         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6734         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6735         pass_stack_adjustments): New.
6736         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6737         pass_regrename): New.
6738         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6739         pass_delay_slots, gate_handle_machine_reorg,
6740         rest_of_handle_machine_reorg, pass_machine_reorg): New.
6741         * rtl.h (extern void purge_line_number_notes): New.
6742         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6743         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6744         pass_sched2): New.
6745         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6746         pass_tracer): New.
6747         * value-prof.c (gate_handle_value_profile_transformations,
6748         rest_of_handle_value_profile_transformations,
6749         pass_value_profile_transformations): New.
6750         * var-tracking.c (gate_handle_var_tracking,
6751         pass_variable_tracking): New.
6752         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6753
6754         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6755         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6756         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6757         rest_of_handle_old_regalloc, rest_of_handle_regrename,
6758         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6759         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6760         rest_of_handle_gcse2, rest_of_handle_regmove,
6761         rest_of_handle_tracer, rest_of_handle_if_conversion,
6762         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6763         rest_of_handle_web, rest_of_handle_branch_prob,
6764         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6765         rest_of_handle_jump_bypass, rest_of_handle_combine,
6766         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6767         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6768         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6769         rest_of_handle_mode_switching, rest_of_handle_jump,
6770         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6771         rest_of_handle_flow2, rest_of_handle_jump2,
6772         rest_of_handle_peephole2, rest_of_handle_postreload,
6773         rest_of_handle_shorten_branches, rest_of_clean_state,
6774         rest_of_compilation): Remove.
6775
6776         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6777         * passes.c (dump_flags, in_gimple_form, all_passes,
6778         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6779         register_dump_files, next_pass_1, last_verified, execute_todo,
6780         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6781         from tree-optimize.c.
6782         (init_optimization_passes): Moved from tree-optimize.c,
6783         adding the RTL optimizations.
6784         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6785         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6786         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6787         register_dump_files, next_pass_1, last_verified, execute_todo,
6788         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6789         init_tree_optimization_passes, ipa_passes): Delete.
6790         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6791         the RTL dumps.
6792         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6793         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6794         from tree.h.
6795         (ipa_passes): Remove.
6796         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6797         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6798         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6799         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6800         (dump_info_p, dump_flag): Moved to tree-dump.h.
6801
6802         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6803         cgraph.c, opts.c.
6804         * passes.c (finish_optimization_passes): Use dump_begin
6805         and dump_end, TDI_end.
6806         (gate_rest_of_compilation): New.
6807         (pass_rest_of_compilation): Use it.
6808         (gate_postreload, pass_postreload): New.
6809         * toplev.c (general_init): Rename init_tree_optimization_passes.
6810         * toplev.h (init_tree_optimization_passes): Rename to
6811         init_optimizations_passes.
6812         * tree-dump.c (dump_flag): Make static.
6813         (dump_files): Remove RTL dumps.
6814         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6815         pass_cleanup_cfg, pass_free_cfg_annotations,
6816         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6817         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6818         * tree-pretty-print.c: Include tree-pass.h.
6819         * cgraph.c: Include tree-dump.h.
6820
6821 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6822
6823         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6824         Only fall back to saying it points to readonly memory if
6825         we can't do better.
6826
6827 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6828
6829         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6830         * config/m32r/m32r.c (m32r_compute_frame_size,
6831         m32r_expand_prologue): Take current_function_profile into
6832         account whenever we reference
6833         current_function_uses_pic_offset_table.
6834         (m32r_finalize_pic): Remove.
6835         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6836
6837 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6838
6839         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6840         instead of $<.  Don't remove ./as if it already exists.
6841
6842 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6843
6844         PR target/21723
6845         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6846         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6847         for complex modes when generating code for PA 1.0.
6848         (VALID_FP_MODE_P): New macro.
6849         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6850         sets for all general and floating point modes.  Align wide floating
6851         point modes to even register boundaries to comply with architectural
6852         requirements.
6853         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6854         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6855         (VALID_FP_MODE_P): New macro.
6856         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6857         sets for all general and floating point modes.  Align wide floating
6858         point modes to even register boundaries to comply with architectural
6859         requirements.
6860
6861 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6862
6863         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6864         to 0.
6865
6866 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6867
6868         * tree-ssa-structalias.c: Don't include expr.h.
6869
6870 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6871
6872         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6873         comments.
6874
6875 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6876
6877         Fix PR tree-optimization/22279
6878
6879         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6880         correct operator.
6881
6882 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6883
6884         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6885
6886 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6887
6888         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6889         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6890         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6891         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6892         config/stormy16/stormy16.c, config/v850/v850.c,
6893         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6894         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6895         Avoid "." or "\n" at end of diagnostics and capital letters at
6896         start of diagnostics.
6897         * combine.c, cse.c: Don't translate dump file output.
6898         * toplev.c (print_version): Only translate output if going to
6899         stderr.
6900
6901 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6902
6903         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6904         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6905         typos.
6906
6907 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6908
6909         * pa.c (fix_range): Fix typo in comment.
6910
6911 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6912
6913         * tree-vrp.c (extract_range_from_assert): Replace
6914         fold (build (...)) with fold_build2.
6915
6916 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6917
6918         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6919         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6920         (format_types_orig, handle_format_attribute): Add support for
6921         format "gcc_gfc".
6922
6923 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6924
6925         * varasm.c (assemble_variable): Fix format specifier thinko.
6926
6927 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6928
6929         PR tree-optimization/22029 (and 22135)
6930         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6931         a phi node before calling dump_vops.
6932
6933 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6934
6935         * tree-dump.h (dump_string_field): Declare.
6936         * tree-dump.c: Use it instead of dump_string.
6937         (dump_string_field): Make non-static.
6938
6939 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6940
6941         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6942         up the minimal CFG stuff always when optimize > 0.  Call
6943         split_all_insns_noflow in PIC case if needed.
6944
6945 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6946             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6947
6948         PR c++/18279
6949         * c-decl.c (c_write_global_declarations): Dump contents of
6950         external scope to.
6951         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6952         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6953         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6954         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6955         is enabled.
6956
6957 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6958
6959         * c-common.h (GCC_DIAG_STYLE): Define.
6960         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6961         version for format checking to 4.1.
6962         * c-format.c: Include toplev.h after c-common.h.
6963         (enum format_type): Add gcc_tdiag_format_type.
6964         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6965         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6966         (format_types_orig): Add gcc_tdiag.
6967         (init_dynamic_diag_info): Support gcc_tdiag formats.
6968         (handle_format_attribute): Likewise.
6969         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6970         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6971         version for format checking to 4.1.
6972         (warning0, warning, error, pedwarn, sorry): Use
6973         ATTRIBUTE_GCC_DIAG.
6974         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6975         (finish_aliases_1): Do not use %qE.
6976         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6977         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6978         Correct format bugs.
6979         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6980         parameter to unsigned HOST_WIDE_INT.
6981         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6982
6983 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6984
6985         PR middle-end/21742
6986         * expr.c (write_complex_part): Use adjust_address for MEM.
6987         (read_complex_part): Same.
6988
6989 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6990
6991         Fix PR tree-optimization/22280
6992
6993         * tree-sra.c (generate_element_init): Remove useless loop.
6994
6995 2005-07-02  Richard Henderson  <rth@redhat.com>
6996
6997         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6998         TLS_MODEL_NONE.
6999         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7000
7001 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
7002
7003         PR middle-end/14490
7004         * fold-const.c (fold_binary): Handle the return value of
7005         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7006         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7007
7008 2005-07-02  Jeff Law  <law@redhat.com>
7009
7010         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7011         a eliminate type conversion which feeds an equality comparison
7012         if the original type or either operand in the comparison is a
7013         function pointer.
7014
7015 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
7016
7017         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7018         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7019         texts.
7020         * config/avr/avr.c: Do not use '`' as left quote.
7021         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7022         Remove "." from end of diagnostics.  Make diagnostics start with
7023         lowercase letter.
7024
7025 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
7026             Joseph S. Myers  <joseph@codesourcery.com>
7027
7028         * toplev.c (default_tree_printer): Handle setting location with
7029         '+' flag.
7030         * c-objc.common.c (c_tree_printer): Likewise.
7031         * c-format.c (gcc_diag_flag_specs): Add '+'.
7032         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7033         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7034         formats.
7035         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7036         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7037         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7038         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7039         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7040         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
7041         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
7042         format arguments where %J is used without %D.
7043
7044 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
7045
7046         * gcc.c (LINK_SSP_SPEC): Define.
7047         (link_ssp_spec): New variable.
7048         (LINK_COMMAND_SPEC): Add %(link_ssp).
7049         (static_specs): Add link_ssp_spec.
7050         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7051         * configure: Rebuilt.
7052         * config.in: Rebuilt.
7053
7054         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7055         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7056         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7057         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7058         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7059         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7060         -0x7008(2) instead of reading __stack_chk_guard variable.
7061         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7062         number.
7063         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7064         (stack_protect_set, stack_protect_test): Use *_tls* patterns
7065         if TARGET_THREAD_SSP_OFFSET is defined.
7066         (stack_tls_protect_set_si, stack_tls_protect_set_di,
7067         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7068
7069         Revert:
7070         2005-06-27  Richard Henderson  <rth@redhat.com>
7071         * libgcc-std.ver (GCC_4.1.0): New.
7072         * libgcc.h (__stack_chk_guard): Declare.
7073         (__stack_chk_fail, __stack_chk_fail_local): Declare.
7074         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7075         * mklibgcc.in (lib2funcs): Add them.
7076
7077 2005-07-01  Richard Henderson  <rth@redhat.com>
7078
7079         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7080         void * before struct sigcontext *.
7081         (x86_fallback_frame_state): Likewise.
7082
7083 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
7084
7085         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7086
7087 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7088
7089         PR tree-opt/22269
7090         * tree-ssa-reassoc.c (should_transpose): Fix which operand
7091         we check for SSA_NAME for.
7092
7093 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
7094
7095         Fix PR tree-optimization/22071
7096
7097         * tree-ssa-structalias.c (offset_overlaps_with_access): New
7098         function.
7099         (get_constraint_for_component_ref): Use it.
7100
7101 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7102
7103         PR other/22264
7104         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7105         print out the last new line.
7106
7107 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
7108
7109         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7110         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7111         * config/cris/cris.c (cris_conditional_register_usage): Adjust
7112         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7113         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7114         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7115         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7116         (enum reg_class): New member CC0_REGS.
7117         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7118         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7119         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7120         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7121         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7122         Adjust for register now described.
7123
7124 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
7125
7126         PR target/22262
7127         * config/i386/i386.md (stack_protect_test_si,
7128         stack_protect_test_di): Add earlyclobber for scratch 3.
7129         * config/rs6000/rs6000.md (stack_protect_testsi,
7130         stack_protect_testdi): Add earlyclobber for scratch 3,
7131         remove earlyclobber from scratch 4.
7132
7133 Older entries for 2005 can be found in ChangeLog-2005.