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