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