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