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