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