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