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2010-05-26 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-26  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-sccvn.c (copy_nary): Adjust.
4         (copy_phis): Rename to ...
5         (copy_phi): ... this.  Adjust.
6         (copy_references): Rename to ...
7         (copy_reference): ... this.  Adjust.
8         (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
9         result into the valid table.
10
11 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
12
13         * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
14         insn-config.h, insn-codes.h, recog.h, and optabs.h.
15
16 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
17
18         * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic):
19         Remove.
20
21 2010-05-26  Richard Guenther  <rguenther@suse.de>
22
23         * opts.c (common_handle_option): Handle OPT_Ofast.
24
25 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
26
27         * diagnostic.c: Don't include opts.h.
28         (permissive_error_option): Define.
29         (diagnostic_initialize): Take n_opts parameter.  Allocate memory
30         for classify_diagnostic.  Don't use memset for
31         classify_diagnostic.  Initialize new and recently added fields.
32         (diagnostic_classify_diagnostic): Use context->n_opts instead of
33         N_OPTS.
34         (diagnostic_report_diagnostic): Pass context parameter to
35         diagnostic_report_warnings_p.  Use option_enabled and option_name
36         hooks from context.
37         (emit_diagnostic): Use permissive_error_option.
38         (permerror): Likewise.
39         * diagnostic.h: Don't include options.h.
40         (struct diagnostic_context): Add n_opts, opt_permissive,
41         inhibit_warnings, warn_system_headers, option_enabled and
42         option_name fields.  Change classify_diagnostic to a pointer.
43         * opts-diagnostic.h: New file.
44         * opts.c: Include opts-diagnostic.h.
45         (common_handle_option): Set global_dc fields for -Wfatal-errors,
46         -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
47         (option_name): New function.
48         * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
49         (c_common_handle_option): Set global_dc->permissive for
50         -fpermissive.
51         * c-common.c (c_cpp_error): Save and restore
52         global_dc->warn_system_headers, not variable warn_system_headers.
53         * toplev.c: Include opts-diagnostic.h.
54         (general_init): Update call to diagnostic_initialize.  Set
55         global_dc->show_column, global_dc->option_enabled and
56         global_dc->option_name.
57         (process_options): Don't set global_dc fields here.
58         * Makefile.in (DIAGNOSTIC_H): Remove options.h.
59         (diagnostic.o, opts.o, toplev.o): Update dependencies.
60
61 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
62
63         * config/picochip/picochip.md (movsi): Split a movsi from a
64         const after reload.
65
66 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
67
68         * ggc-zone.c: Update copyright year.
69         (poison_region): Mark memory for Valgrind as undefined before
70         memset () call and inaccessible afterwards.
71         (ggc_pch_total_size): Change type of i to int.
72
73 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
74
75         * ggc-common.c (ggc_free_overhead): Allow empty slot.
76
77 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
78
79         * ggc-common.c: Update copyright year.
80         (ggc_rlimit_bound): Remove prototype.  Compile only if
81         !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
82         (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
83         && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
84         (ggc_min_heapsize_heuristic): Likewise.
85
86 2010-05-26  Richard Guenther  <rguenther@suse.de>
87
88         PR rtl-optimization/44164
89         * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
90         no-common access-path disambiguation.
91         (indirect_ref_may_alias_decl_p): Adjust.
92         (indirect_refs_may_alias_p): Likewise.
93         (refs_may_alias_p_1): Likewise.
94
95 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
96
97         * c-typeck.c: Do not include expr.h.
98
99 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
100
101         * rtl.h (decl_default_tls_model): Move prototype from here...
102         * output.h: ...to here.
103         * c-decl.c: Do not include rtl.h.
104         * c-pragma.c: Likewise.
105         * c-parser.c: Likewise.
106         * c-gimplify.c: Likewise.  And also not hard-reg-set.
107         * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
108         FIXME note for it.  Add a FIXME note for expr.h.
109         * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
110         ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
111         defined.
112
113 2010-05-26  Jakub Jelinek  <jakub@redhat.com>
114
115         PR target/44199
116         * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
117         or total_size is larger than red zone size for non-V4 ABI, emit a
118         stack_tie resp. frame_tie insn before stack pointer restore.
119         * config/rs6000/rs6000.md (frame_tie): New insn.
120
121 2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>
122
123         * function.h (struct function): Add can_throw_non_call_exceptions bit.
124         * lto-streamer-in.c (input_function): Stream it in.
125         * lto-streamer-out.c (output_function): Stream it out.
126         * function.c (allocate_struct_function): Set it.
127         (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
128         for flag_non_call_exceptions.
129         * cfgbuild.c (control_flow_insn_p): Likewise.
130         (make_edges): Likewise.
131         * cfgexpand.c (expand_stack_alignment): Likewise.
132         * combine.c (distribute_notes): Likewise.
133         * cse.c (cse_extended_basic_block): Likewise.
134         * except.c (insn_could_throw_p): Likewise.
135         * gcse.c (simple_mem): Likewise.
136         * ipa-pure-const.c (check_call): Likewise.
137         (check_stmt ): Likewise.
138         * lower-subreg.c (lower-subreg.c): Likewise.
139         * optabs.c (emit_libcall_block): Likewise.
140         (prepare_cmp_insn): Likewise.
141         * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
142         * postreload.c (rest_of_handle_postreload): Likewise.
143         * reload1.c (reload_as_needed): Likewise.
144         (emit_input_reload_insns): Likewise.
145         (emit_output_reload_insns): Likewise.
146         (fixup_abnormal_edges): Likewise.
147         * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
148         * store-motion.c (find_moveable_store): Likewise.
149         * tree-eh.c (stmt_could_throw_p): Likewise.
150         (tree_could_throw_p): Likewise.
151         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
152         * config/arm/arm.c (arm_expand_prologue): Likewise.
153         (thumb1_expand_prologue): Likewise.
154         * config/rx/rx.md (cbranchsf4): Likewise.
155         (cmpsf): Likewise.
156         * config/s390/s390.c (s390_emit_prologue): Likewise.
157         * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
158         (inline_forbidden_into_p): New predicate.
159         (expand_call_inline): Use it to forbid inlining.
160         (tree_can_inline_p): Likewise.
161
162 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
163
164         * config/i386/i386-c.c: Do not include rtl.h.
165         * config/i386/t-i386: Update dependencies.
166
167 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
168
169         * attribs.c: Do not include rtl.h.
170         * Makefile.in: Update dependencies.
171
172 2010-05-25  Anatoly Sokolov  <aesok@post.ru>
173
174         * double-int.h (double_int_and): New.
175         * combine.c (try_combine): Clean up, use double_int_* and
176         immed_double_int_const functions.
177
178 2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
179
180         * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
181         stderr to /dev/null instead of grep -q.
182         * configure: Regenerate.
183
184 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
185
186         * Makefile.in (EXCEPT_H): Fix typo.
187
188 2010-05-25  Vladimir Makarov <vmakarov@redhat.com>
189
190         * ira-build.c (update_conflict_hard_reg_costs): New.
191         (ira_build): Call update_conflict_hard_reg_costs.
192
193 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
194
195         PR debug/41371
196         * var-tracking.c (find_loc_in_1pdv): Guard asserts with
197         ENABLE_CHECKING.
198         (intersect_loc_chains): Walk the s2var's loc_chain together
199         with s1node chain as long as the locations are equal, don't
200         call find_loc_in_1pdv in that case.
201
202         PR debug/42801
203         * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
204         (copy_bind_expr): ... instead of here.
205         (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
206         if the block hasn't been remapped.
207         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
208         emitting concrete instance of abstract VLA, add DW_AT_type attribute.
209
210 2010-05-25  Richard Guenther  <rguenther@suse.de>
211
212         PR middle-end/44069
213         * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
214         out-of-bounds array accesses.
215
216 2010-05-25  Richard Guenther  <rguenther@suse.de>
217
218         * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
219         (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
220         (run_gcc): Re-organize to make cleanup easier.
221
222 2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
223
224         * config/s390/s390.c (optimization_options): Fix and move the
225         flag_prefetch_loop_arrays override ...
226         (override_options): ... here.
227
228 2010-05-25  Joseph Myers  <joseph@codesourcery.com>
229
230         * diagnostic.c: Don't include plugin.h.
231         (diagnostic_report_diagnostic): Don't handle plugins specially
232         here.  Pass context to internal_error callback.
233         * diagnostic.h (struct diagnostic_context): Add context parameter
234         to internal_error callback.
235         * plugin.c (warn_if_plugins, plugins_internal_error_function):
236         New.
237         * plugin.h (struct diagnostic_context): Declare.
238         (warn_if_plugins, plugins_internal_error_function): Declare.
239         * toplev.c (general_init): Set global_dc->internal_error.
240         * Makefile.in (diagnostic.o): Update dependencies.
241
242 2010-05-25 Iain Sandoe  <iains@gcc.gnu.org>
243
244         * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
245         * config/rs6000/t-darwin64: New.
246         * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
247         build crt2.
248
249 2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>
250
251         PR 44203
252         * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
253         match the original (and intended) behaviour before r159557.  This
254         changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
255         in two ways.
256
257 2010-05-25  Richard Guenther  <rguenther@suse.de>
258
259         * doc/invoke.texi: Document -Ofast.
260         * target.h (struct gcc_target): Add handle_ofast.
261         * target-def.h (TARGET_HANDLE_OFAST): Add.
262         (TARGET_INITIALIZER): Adjust.
263         * opts.c (decode_options): Handle -Ofast.  Enable
264         -ffast-math with it.
265         * common.opt (Ofast): Add.
266
267 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
268
269         * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
270         * doc/md.texi (cstoreXX4): Update for cond-optab changes.
271
272 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
273
274         PR target/43610
275         * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
276         even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
277         false_rtx.  Use false_rtx to compute the correct *ptest for reversed
278         comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.
279
280 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
281
282         * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
283         DW_OP_minus with negated offset instead of DW_OP_plus.
284         (loc_list_from_tree): Don't test whether second operand is
285         INTEGER_CST.
286
287 2010-05-25  Wei Guozhi  <carrot@google.com>
288
289         * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
290         tst instruction and a new alternative.
291         * config/arm/constraints.md (Pu): New constraint.
292
293 2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>
294
295         * function.c (assign_stack_local_1): Initialize variable
296         to avoid warning when bootstrapping at -O3.
297
298 2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>
299
300         * configure.ac (all_lang_makefiles): Remove everything related to it.
301         * configure: Regenerate.
302         * Makefile.in: Fix reference to ada Make-lang.in.
303         Remove support for LANG_MAKEFILES.
304
305 2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
306             Sandra Loosemore  <sandra@codesourcery.com>
307
308         * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
309         * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
310         description.  Add arm_neon_fp16_ok.
311         (Add Options): Add arm_neon and arm_neon_fp16.
312
313 2010-05-24  Joseph Myers  <joseph@codesourcery.com>
314
315         * diagnostic.c: Don't include flags.h.
316         (pedantic_warning_kind, permissive_error_kind): Take diagnostic
317         context parameters.  Check flags in the context passed as a
318         parameter.
319         (diagnostic_build_prefix): Add context parameter.  Check
320         show_column flag in context.
321         (diagnostic_action_after_output): Check fatal_errors flag in
322         context.
323         (diagnostic_report_current_module): Check show_column flag in
324         context.
325         (default_diagnostic_starter): Update call to
326         diagnostic_build_prefix.
327         (diagnostic_report_diagnostic): Pass context to
328         pedantic_warning_kind.
329         (emit_diagnostic): Pass context to permissive_error_kind.
330         (permerror): Pass context to permissive_error_kind.
331         * diagnostic.h (struct diagnostic_context): Add show_column,
332         pedantic_errors, permissive and fatal_errors fields.
333         (diagnostic_build_prefix): Update prototype.
334         * langhooks.c
335         * toplev.c (process_options): Set flags in global_dc from
336         flag_show_column, flag_pedantic_errors, flag_permissive,
337         flag_fatal_errors.
338         * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
339         to diagnostic_build_prefix.
340         * Makefile.in (diagnostic.o): Update dependencies.
341
342 2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>
343
344         * config/i386/ia32intrin.h (__crc32q): Define only if
345         __SSE4_2__ is defined.
346
347 2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>
348
349         PR target/44132
350         PR middle-end/43602
351         * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
352         DECL_VISIBILITY_SPECIFIED.
353         (emutls_decl): Set DECL_PRESERVE_P and copy
354         DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
355         (emutls_finalize_control_var): New callback.
356         (emutls_finish): Finalize emutls control variables.
357         * toplev.c (compile_file): Move the call to emutls_finish () 
358         before varpool_assemble_pending_decls ().
359
360 2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>
361
362         * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
363         added to the preprocessor condition.
364
365 2010-05-24  Paul Brook  <paul@codesourcery.com>
366
367         * gengtype-lex.l: Add HARD_REG_SET.
368         * expr.c (expand_expr_real_1): Record writes to hard registers.
369         * function.c (rtl_data): Add asm_clobbers.
370         * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
371         (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
372         Use crtl->asm_clobbers.
373
374 2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
375
376         * doc/makefile.texi (Makefile): Mention stages 'profile'
377         and 'feedback' for profiledbootstrap.
378
379 2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>
380
381         PR target/44245
382         * config/i386/i386.c (def_builtin): Properly check
383         OPTION_MASK_ISA_64BIT.
384
385 2010-05-23  Joseph Myers  <joseph@codesourcery.com>
386
387         * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
388         typedefs with different but compatible types.  Allow duplicate
389         typedefs with the same type except for pedantic non-C1X, but give
390         warning for variably modified types.
391         * c-typeck.c (tagged_types_tu_compatible_p,
392         function_types_compatible_p, type_lists_compatible_p,
393         comptypes_internal): Add parameter different_types_p; set
394         *different_types_p for different but compatible types.  All
395         callers changed.
396         (comptypes_check_different_types): New.
397         * c-tree.h (comptypes_check_different_types): Declare.
398
399 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
400
401         * regs.h: Do not include obstack.h, basic-block.h.
402         Include machmode.h.
403         * jump.c: Include basic-block.h.
404         * profile.c: Likewise.
405         * tree-profile.c: Likewise.
406         * coverage.c: Likewise.
407         * basic-block.h (optimize_function_for_size_p): Move to function.h.
408         (optimize_function_for_speed_p): Likewise.
409         * function.h (optimize_function_for_size_p,
410         optimize_function_for_speed_p): Moved here from basic-block.h.
411         * Makefile.in: Update dependencies.
412
413 2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
414
415         * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
416         before calling make; allow override through $MAKE.
417         * doc/invoke.texi (Optimize Options): Document override.
418
419 2010-05-23  Anatoly Sokolov  <aesok@post.ru>
420
421         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
422         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
423         (rs6000_mode_dependent_address_ptr): Make static.
424         * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
425         * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
426         Remove.
427
428 2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>
429
430         PR target/43869
431         * config/i386/i386.c: Make sure that the correct regparm is passed.
432
433 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
434
435         * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
436         * sbitmap.c: ...to here to internalize sbitmap element access.
437         Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
438         Explain why basic-block.h is included.
439         * function.h: Include tm.h for CUMULATIVE_ARGS.
440         * Makefile.in: Update dependencies.
441
442 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
443
444         * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
445         New core types.
446         * sbitmap.h (struct sbitmap_def): Do not typedef here.
447         * sbitmap.c: Include sbitmap.h.
448         * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
449         hard-reg-set.h.  Split everything related to regsets out from here...
450         * regset.h: ...to here.  New file.
451         * df.h: Include regset.h and sbitmap.h.
452         * tree-flow.h: Likewise.
453         * cfgloop.h: Likewise.
454         * except.h: Do not include sbitmap.h.  Include hashtab.h.
455         * cgraph.h: Include vec.h and function.h.
456         * reload.h (struct insn_chain): Change types of live_throughout
457         and dead_or_set from regset_head to bitmap_head.
458         (compute_use_by_pseudos): Be defined also if regset.h is not included.
459         * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
460         spilled_regs from regset_head to bitmap_head to avoid dependency
461         in regset.h.
462         * sel-sched-ir.h: Include regset.h.
463         * reload.c: Include df.h before reload.h.
464         * caller-save.c: Likewise.
465         * reload1.c: Likewise.
466         * ira.c: Likewise.
467         (mark_elimination): Update type of r to bitmap, consistent with
468         DF_LR_IN.
469         * dominance.c: Include bitmap.h.
470         * modulo-sched.c: Include df.h.
471         * cfganal.c: Include bitmap.h and sbitmap.h.
472         * cfgbuild.c: Include sbitmap.h.
473         * lcm.c: Include sbitmap.h.
474         * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
475         * domwalk.c: Include sbitmap.h, exclude ggc.h.
476         * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
477         * cselib.c: Include bitmap.h.
478         * tree-optimize.c: Include regset.h.
479         * stmt.c: Include bitmap.h.
480         * Makefile.in: Update dependencies.
481
482 2010-05-22  Jan Hubicka  <jh@suse.cz>
483
484         * cgraph.h (struct varpool_node): Add same_comdat_group.
485         * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
486         pointer.
487         (output_varpool): Update call of lto_output_varpool_node.
488         (input_varpool): Read same_comdat_group pointer.
489         (input_varpool_1): Fixup same_comdat_group pointer.
490         * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
491         group is needed, all are.
492         * varpool.c (varpool_remove_node): Remove node from same comdat group
493         linklist too.
494         (varpool_analyze_pending_decls): Walk same comdat groups.
495
496 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
497
498         * rtl.h (union rtunion_def): Remove rt_bit member.
499         (XBITMAP, X0BITMAP, XCBITMAP): Remove.
500         * print-rtl (print_rtx): Do not print the member.
501         * gengtype.c (adjust_field_rtx_def): Do not handle it.
502         * gengenrtl.c (type_from_format): Likewise.
503         (accessor_from_format): Likewise.
504
505 2010-05-22  Joseph Myers  <joseph@codesourcery.com>
506
507         * dbgcnt.c: Include toplev.h instead of errors.h.
508         * ira-emit.c: Don't include errors.h.
509         * ira.c: Include toplev.h instead of errors.h.
510         * lto-compress.c: Include toplev.h instead of errors.h.
511         * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
512         ira.o, dbgcnt.o): Update dependencies.
513
514 2010-05-22  Richard Guenther  <rguenther@suse.de>
515
516         * gimple.c (gimple_types_compatible_p): Check type qualifications
517         before merging pointer to complete and pointer to incomplete type.
518         * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
519         we use our own resolution algorithm.  The gold linker plugin
520         doesn't do the job we want it to do here.
521
522 2010-05-22  Anatoly Sokolov  <aesok@post.ru>
523
524         * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
525         * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
526         (sparc_mode_dependent_address_p): New function.
527
528 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
529
530         * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.
531
532         * timevar.c: Do not include any core headers.
533         (timevar_print): De-i18n-ize.
534         (print_time): Likewise.
535         * timevar.h (timevar_push, timevar_pop): Make inline functions.
536
537 2010-05-21  Joseph Myers  <joseph@codesourcery.com>
538
539         * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
540         langhooks-def.h.
541         (diagnostic_initialize): Initialize x_data not last_function.
542         (diagnostic_report_current_function): Move to tree-diagnostic.c.
543         (default_diagnostic_starter): Call
544         diagnostic_report_current_module not
545         diagnostic_report_current_function.
546         (diagnostic_report_diagnostic): Initialize x_data not
547         abstract_origin.
548         (verbatim): Likewise.
549         * diagnostic.h (struct diagnostic_info): Change abstract_origin to
550         x_data.
551         (struct diagnostic_context): Change last_function to x_data.
552         (diagnostic_auxiliary_data): Replace with
553         diagnostic_context_auxiliary_data and
554         diagnostic_info_auxiliary_data.
555         (diagnostic_last_function_changed, diagnostic_set_last_function,
556         diagnostic_report_current_function): Move to tree-diagnostic.h.
557         (print_declaration, dump_generic_node, print_generic_stmt,
558         print_generic_stmt_indented, print_generic_expr,
559         print_generic_decl, debug_c_tree, dump_omp_clauses,
560         print_call_name, debug_generic_expr, debug_generic_stmt,
561         debug_tree_chain, default_tree_printer): Move to
562         tree-pretty-print.h.
563         (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
564         print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
565         gimple-pretty-print.h.
566         * pretty-print.c: Don't include tree.h
567         (pp_base_format): Don't handle %K here.
568         (pp_base_tree_identifier): Move to tree-pretty-print.c.
569         * pretty-print.h (text_info): Change abstract_origin to x_data.
570         (pp_tree_identifier, pp_unsupported_tree,
571         pp_base_tree_identifier): Move to tree-pretty-print.h.
572         * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
573         tree-pretty-print.h: New files.
574         * tree-pretty-print.c: Include tree-pretty-print.h.
575         (percent_K_format): New.  Moved from pretty-print.c.
576         (pp_base_tree_identifier): Move from pretty-print.c.
577         * c-objc-common.c: Include tree-pretty-print.h.
578         (c_tree_printer): Handle %K here.
579         * langhooks.c: Include tree-diagnostic.h.
580         (lhd_print_error_function): Use diagnostic_abstract_origin macro.
581         * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
582         (default_tree_printer): Handle %K using percent_K_format.
583         (general_init): Use default_tree_diagnostic_starter.
584         * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
585         (free_lang_data): Use default_tree_diagnostic_starter.
586         * c-pretty-print.c: Include tree-pretty-print.h.
587         * cfgexpand.c: Include tree-pretty-print.h and
588         gimple-pretty-print.h.
589         * cgraphunit.c: Include tree-pretty-print.h and
590         gimple-pretty-print.h.
591         * dwarf2out.c: Include tree-pretty-print.h.
592         * except.c: Include tree-pretty-print.h.
593         * gimple-pretty-print.c: Include tree-pretty-print.h and
594         gimple-pretty-print.h.
595         * gimplify.c: Include tree-pretty-print.h.
596         * graphite-poly.c: Include tree-pretty-print.h and
597         gimple-pretty-print.h.
598         * ipa-cp.c: Include tree-pretty-print.h.
599         * ipa-inline.c: Include gimple-pretty-print.h.
600         * ipa-prop.c: Include tree-pretty-print.h and
601         gimple-pretty-print.h.
602         * ipa-pure-const.c: Include gimple-pretty-print.h.
603         * ipa-struct-reorg.c: Include tree-pretty-print.h and
604         gimple-pretty-print.h.
605         * ipa-type-escape.c: Include tree-pretty-print.h.
606         * print-rtl.c: Include tree-pretty-print.h.
607         * print-tree.c: Include gimple-pretty-print.h.
608         * sese.c: Include tree-pretty-print.h.
609         * tree-affine.c: Include tree-pretty-print.h.
610         * tree-browser.c: Include tree-pretty-print.h.
611         * tree-call-cdce.c: Include gimple-pretty-print.h.
612         * tree-cfg.c: Include tree-pretty-print.h and
613         gimple-pretty-print.h.
614         * tree-chrec.c: Include tree-pretty-print.h.
615         * tree-data-ref.c: Include tree-pretty-print.h and
616         gimple-pretty-print.h.
617         * tree-dfa.c: Include tree-pretty-print.h.
618         * tree-if-conv.c: Include tree-pretty-print.h and
619         gimple-pretty-print.h.
620         * tree-inline.c: Include tree-pretty-print.h.
621         * tree-into-ssa.c: Include tree-pretty-print.h and
622         gimple-pretty-print.h.
623         * tree-nrv.c: Include tree-pretty-print.h.
624         * tree-object-size.c: Include tree-pretty-print.h and
625         gimple-pretty-print.h.
626         * tree-outof-ssa.c: Include tree-pretty-print.h and
627         gimple-pretty-print.h.
628         * tree-parloops.c: Include tree-pretty-print.h and
629         gimple-pretty-print.h.
630         * tree-predcom.c: Include tree-pretty-print.h and
631         gimple-pretty-print.h.
632         * tree-scalar-evolution.c: Include tree-pretty-print.h and
633         gimple-pretty-print.h.
634         * tree-sra.c: Include tree-pretty-print.h.
635         * tree-ssa-address.c: Include tree-pretty-print.h.
636         * tree-ssa-alias.c: Include tree-pretty-print.h.
637         * tree-ssa-ccp.c: Include tree-pretty-print.h and
638         gimple-pretty-print.h.
639         * tree-ssa-coalesce.c: Include tree-pretty-print.h.
640         * tree-ssa-copy.c: Include tree-pretty-print.h and
641         gimple-pretty-print.h.
642         * tree-ssa-copyrename.c: Include tree-pretty-print.h.
643         * tree-ssa-dce.c: Include tree-pretty-print.h and
644         gimple-pretty-print.h.
645         * tree-ssa-dom.c: Include tree-pretty-print.h and
646         gimple-pretty-print.h.
647         * tree-ssa-dse.c: Include gimple-pretty-print.h.
648         * tree-ssa-forwprop.c: Include tree-pretty-print.h.
649         * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
650         * tree-ssa-live.c: Include tree-pretty-print.h and
651         gimple-pretty-print.h.
652         * tree-ssa-loop-im.c: Include tree-pretty-print.h and
653         gimple-pretty-print.h.
654         * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
655         gimple-pretty-print.h.
656         * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
657         gimple-pretty-print.h.
658         * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
659         gimple-pretty-print.h.
660         * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
661         * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
662         * tree-ssa-operands.c: Include tree-pretty-print.h and
663         gimple-pretty-print.h.
664         * tree-ssa-phiprop.c: Include tree-pretty-print.h and
665         gimple-pretty-print.h.
666         * tree-ssa-pre.c: Include tree-pretty-print.h and
667         gimple-pretty-print.h.
668         * tree-ssa-propagate.c: Include gimple-pretty-print.h.
669         * tree-ssa-reassoc.c: Include tree-pretty-print.h and
670         gimple-pretty-print.h.
671         * tree-ssa-sccvn.c: Include tree-pretty-print.h and
672         gimple-pretty-print.h.
673         * tree-ssa-sink.c: Include gimple-pretty-print.h.
674         * tree-ssa-ter.c: Include tree-pretty-print.h and
675         gimple-pretty-print.h.
676         * tree-ssa-uninit.c: Include gimple-pretty-print.h.
677         * tree-ssa.c: Include tree-pretty-print.h and
678         gimple-pretty-print.h.
679         * tree-stdarg.c: Include gimple-pretty-print.h.
680         * tree-switch-conversion.c: Include gimple-pretty-print.h.
681         * tree-tailcall.c: Include tree-pretty-print.h and
682         gimple-pretty-print.h.
683         * tree-vect-data-refs.c: Include tree-pretty-print.h and
684         gimple-pretty-print.h.
685         * tree-vect-loop-manip.c: Include tree-pretty-print.h and
686         gimple-pretty-print.h.
687         * tree-vect-loop.c: Include tree-pretty-print.h and
688         gimple-pretty-print.h.
689         * tree-vect-patterns.c: Include gimple-pretty-print.h.
690         * tree-vect-slp.c: Include tree-pretty-print.h and
691         gimple-pretty-print.h.
692         * tree-vect-stmts.c: Include tree-pretty-print.h and
693         gimple-pretty-print.h.
694         * tree-vectorizer.c: Include tree-pretty-print.h.
695         * tree-vrp.c: Include tree-pretty-print.h and
696         gimple-pretty-print.h.
697         * value-prof.c: Include tree-pretty-print.h and
698         gimple-pretty-print.h.
699         * var-tracking.c: Include tree-pretty-print.h.
700         * Makefile.in (OBJS-common): Add tree-diagnostic.o.
701         (tree-diagnostic.o): New dependencies.
702         (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
703         tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
704         tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
705         tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
706         tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
707         tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
708         tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
709         tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
710         tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
711         tree-ssa-address.o, tree-ssa-loop-niter.o,
712         tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
713         tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
714         tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
715         gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
716         tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
717         tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
718         tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
719         tree-parloops.o, tree-stdarg.o, tree-object-size.o,
720         gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
721         toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
722         ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
723         ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
724         tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
725         tree-switch-conversion.o, var-tracking.o, value-prof.o,
726         cfgexpand.o, pretty-print.o): Update dependencies.
727
728 2010-05-22  Andreas Tobler  <andreast@fgznet.ch>
729
730         * tree-ssa-structalias.c: Remove tm_p.h from include.
731
732 2010-05-21  Jeff Law  <law@redhat.com>
733
734         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.
735
736 2010-05-21  Jason Merrill  <jason@redhat.com>
737
738         * tree-eh.c (cleanup_is_dead_in): New.
739         (lower_try_finally): Don't generate a dead cleanup region.
740         (lower_cleanup): Likewise.
741
742 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
743
744         PR debug/44223
745         * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
746         unchain each use from the cyclic next_regno_use chain first.
747
748 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
749
750         * real: Do not include gmp.h, mpfr.h, and mpc.h.
751         (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
752         (real_value_negate, real_value_abs): New prototypes.
753         (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
754         * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
755         new include file for interface between MPFR and REAL_VALUE_TYPE.
756         * real.c: Include realmpfr.h.
757         (real_arithmetic2): Remove legacy function.
758         (real_value_negate): New.
759         (real_value_abs): New.
760         (mfpr_from_real, real_from_mpfr): Move from here...
761         * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
762         * builtins.c: Include realmpfr.h.
763         * fold-const.c: Include realmpfr.h.
764         (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
765         (fold_negate_const): Likewise.
766         (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
767         * toplev.c: Include realmpfr.h.
768         * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
769         and real_value_negate.
770         * fixed-value.c (check_real_for_fixed_mode): Likewise.
771         * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
772         (vfp3_const_double_index): Likewise.
773         (arm_print_operand): Likewise.
774         * Makefile.in: Update dependencies.
775
776 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
777
778         * config/s390/s390.c (override_options): Increase the default
779         of max-completely-peel-times.
780
781 2010-05-21  Julian Brown  <julian@codesourcery.com>
782             Mark Mitchell  <mark@codesourcery.com>
783
784         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
785         sibling calls for Thumb-1.
786         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
787         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
788         Thumb-2.
789         (*call_insn, *call_value_insn): Don't use for Thumb-2.
790         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
791         for Thumb-2.
792         (return): New expander.
793         (*arm_return): New name for ARM return insn.
794         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
795
796 2010-05-19  Joel Sherrill <joel.sherrill@oarcorp.com>
797
798         * config.gcc (sparc64-*-rtems*): New target.
799
800 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
801
802         * tree.c (build_function_decl_skip_args): Fix grammar.
803         (build_function_type_list_1): Fix typos, adjust formatting.
804
805 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
806
807         * tree.h: Include real.h and fixed-value.h as basic datatypes.
808         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
809         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
810         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
811         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
812         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
813         tree-pretty-print.c, tree-loop-distribution.c,
814         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
815         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
816         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
817         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
818         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
819         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
820         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
821         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
822         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
823         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
824         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
825         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
826         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
827         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
828         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
829         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
830         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
831         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
832         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
833         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
834         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
835         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
836         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
837         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
838         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
839         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
840         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
841         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
842         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
843         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
844         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
845         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
846         config/score/score7.c, config/score/score.c, config/arm/arm.c,
847         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
848         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
849         config/bfin/bfin.c:
850         Clean up redundant includes.
851         * Makefile.in: Update accordingly.
852
853 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
854
855         PR middle-end/44204
856         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
857         statement has no arguments.
858
859 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
860
861         PR/44139
862         * varasm.c (emutls_decl): Merge attributes to new decl.
863
864 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
865
866         PR middle-end/44101
867         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
868         around the uniquized constructor if its type requires a conversion.
869
870 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
871
872         PR debug/44205
873         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
874         at -O0 goto_locus of any of the incoming edges differs from
875         goto_locus of outgoing edge, or gimple_location of any of the
876         labels differs.
877
878 2009-09-14  Vladimir Makarov <vmakarov@redhat.com>
879
880         * ira.c (ira_non_ordered_class_hard_regs): Define.
881         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
882         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
883         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
884         cost of unaligned hard regs when allocating multi-reg pseudos.
885
886 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
887
888         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
889         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
890         for TARGET_NO_FLOAT.
891         * config/mips/mips.c (mips_file_start): Expand conditional expression
892         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
893         (mips_override_options): Move -mno-float override -msoft-float and
894         -mhard-float.
895         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
896         Condition(TARGET_SUPPORTS_NO_FLOAT).
897         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
898         __mips_no_float here.
899         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
900         (TARGET_SUPPORTS_NO_FLOAT): Define.
901         * config/mips/sdemtk.opt: Delete.
902
903 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
904
905         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail
906         out if !cond.
907
908 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
909
910         PR target/43733
911         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
912         * configure: Regenerate.
913         * config.in: Regenerate.
914         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
915         instead of sahf only for 64bit targets.
916
917 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
918
919         PR debug/44178
920         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
921         setup_ref_regs for DEBUG_INSNs.
922
923 2010-05-20  Jan Hubicka  <jh@suse.cz>
924
925         PR middle-end/44197
926         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
927
928 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
929
930         PR bootstrap/43870
931         * df-scan.c (df_ref_compare): Stabilize sort.
932
933 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
934
935         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
936         argument.  Don't use DW_OP_piece if offset is non-zero,
937         put offset into second DW_OP_bit_piece argument.
938         (dw_sra_loc_expr): Adjust callers.  For memory expressions
939         compute offset.
940
941 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
942
943         PR target/44202
944         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
945         settings for 16-bit-constant "addo" alternative.
946
947 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
948
949         * config/mips/mips-dsp.md (add<DSPV:mode>3,
950         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
951
952         PR target/43764
953         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
954         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
955         Use it.
956
957 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
958
959         * diagnostic.c (FLOAT, FFS): Don't undefine.
960         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
961         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
962         include ordering.
963
964 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
965
966         * combine.c (propagate_for_debug): Call make_compound_operation
967         on the source value.
968         (try_combine): When implementing a split chosen by find_split_point,
969         either copy i2src or set it to null.  Assert that i2src is not null
970         before substituting into CALL_INSN_FUNCTION_USAGE.
971
972 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
973
974         * double-int.h (double_int_ior): New function.
975         * tree.h (build_int_cst_wide_type): Remove.
976         * tree.c (build_int_cst_wide_type): Remove.
977         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
978         of build_int_cst_wide_type.
979         * stor-layout.c (set_sizetype): (Ditto.).
980         * dojump.c (do_jump): Use build_int_cstu instead of
981         build_int_cst_wide_type.
982
983 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
984
985         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
986         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
987         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
988         * gimplify.c: (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
989         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
990         propagate the 'data' argument to copy_tree_r.
991         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
992         Propagate 'data' argument to walk_tree.
993         (copy_if_shared): New function.
994         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
995         (unmark_visited): New function.
996         (unshare_body): Call copy_if_shared instead of doing it manually.
997         (unvisit_body): Call unmark_visited instead of doing it manually.
998
999 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
1000
1001         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
1002         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
1003         * hooks.c: Likewise.
1004         * target-def.h (TARGET_FOLD_BUILTIN): Define to
1005         hook_tree_tree_int_treep_bool_null.
1006         * target.h: (struct gcc_target): Update signature of fold_builtin
1007         field.
1008         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
1009         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
1010         instead of the call expression.
1011         (fold_builtin_call_array): Pass n and argarray directly.
1012         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
1013         consing a list.
1014         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
1015         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
1016         `i' and use it in place of `arity'.
1017         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
1018         Dereference `args' directly.
1019         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
1020
1021 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1022
1023         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1024         3dnow, sse3, sse2.
1025         (Directives): Document optional dg-require-effective-target
1026         selector.
1027
1028 2010-05-19  Richard Guenther  <rguenther@suse.de>
1029
1030         PR lto/44196
1031         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
1032
1033 2010-05-19  Richard Guenther  <rguenther@suse.de>
1034
1035         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
1036         * common.opt (fwhopr=): New.
1037         * opts.c (common_handle_option): Handle OPT_fwhopr.
1038         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
1039         * collect2.c (main): Match -fwhopr*.
1040         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
1041         Execute ltrans stage in parallel when jobs is bigger than 1.
1042
1043 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1044
1045         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
1046         pentiumpro on Solaris 8/x86 with Sun as.
1047         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
1048         hidden alias bug.
1049         (gcc_cv_as_ix86_quad): Check for .quad directive.
1050         * configure: Regenerate.
1051         * config.in: Regenerate.
1052         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
1053
1054 2010-05-19  Martin Jambor  <mjambor@suse.cz>
1055
1056         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
1057         also for indirect edges.  Actual printing moved...
1058         (ipa_print_node_jump_functions_for_edge): ...here.
1059         (ipa_compute_jump_functions): Renamed to
1060         ipa_compute_jump_functions_for_edge and made static.
1061         (ipa_compute_jump_functions): New function.
1062         (make_edge_direct_to_target): Check if the number of arguments on
1063         the newly direct edge is the same as the number of parametrs of
1064         the callee.
1065         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
1066         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
1067         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
1068         analysis functions unconditionally, call the new
1069         ipa_analyze_params_uses on the node instead of every edge.
1070
1071 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
1072
1073         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
1074         to tree.
1075         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
1076         also checks for a constant int vs.  non-constant but
1077         loop-invariant steps.
1078         (find_or_create_group): Change the sort algorithm to only consider
1079         steps that are constant ints.
1080         (idx_analyze_ref): Adopt code to handle a tree instead of a
1081         HOST_WIDE_INT for step.
1082         (gather_memory_references_ref): Handle tree instead of int and be
1083         prepared to see a NULL_TREE.
1084         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
1085         prefetches if the step cannot be calculated at compile time.
1086         (issue_prefetch_ref): Issue prefetches for non-constant but
1087         loop-invariant steps.
1088
1089 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1090
1091         Revert:
1092         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1093
1094         * tree.h (build_call_list): Remove.
1095         * tree.c (build_call_list): Remove.
1096
1097 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1098
1099         * tree.h (build_call_list): Remove.
1100         * tree.c (build_call_list): Remove.
1101
1102 2010-05-18  Jan Hubicka  <jh@suse.cz>
1103
1104         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
1105
1106 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
1107
1108         PR rtl-optimization/43332
1109         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
1110
1111 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
1112
1113         * tree.h (build_int_cstu): Implement as static inline.
1114         * tree.c (build_int_cstu): Remove function.
1115         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
1116         sign extended.
1117
1118 2010-05-18  Richard Guenther  <rguenther@suse.de>
1119
1120         PR lto/44143
1121         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
1122         (debug): Initialize from -save-temps.
1123         (collect_execute): Print command-line when verbose.
1124         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
1125         for ltrans invocation.  Produce -dumpbase flag again.
1126         (process_args): Remove.
1127         (main): Simplify.
1128         * collect2.c (maybe_run_lto_and_relink): Only pass object
1129         files to lto-wrapper.
1130         * gcc.c (LINK_COMMAND_SPEC): Likewise.
1131
1132 2010-05-18  Jan Hubicka  <jh@suse.cz>
1133
1134         * opts.c (decode_options): Do not disable whopr at ipa_cp.
1135         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
1136
1137 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
1138
1139         PR lto/44184
1140         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
1141         in a GIMPLE_ASM.
1142         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
1143         in a GIMPLE_ASM.
1144
1145 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
1146
1147         PR debug/41371
1148         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
1149         rtx_equal_p inline.
1150
1151 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
1152
1153         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
1154         lto-macho as lto_binary_reader.
1155
1156         * darwin.c (darwin_asm_named_section): Do not add assembler comment
1157         after .section directive; just print it before the directive instead.
1158
1159 2010-05-17  Jan Hubicka  <jh@suse.cz>
1160
1161         * cgraph.c (cgraph_create_virtual_clone): Only check
1162         versionable_function_p when not in wpa and checking is enabled.
1163         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
1164         there are no more functions to materialize.
1165
1166 2010-05-17  Jan Hubicka  <jh@suse.cz>
1167
1168         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
1169         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
1170         New functions.
1171         (output_cgraph): Call output_cgraph_opt_summary.
1172         (input_cgrpah): Call input_cgraph_opt_summary.
1173         (output_cgraph_opt_summary_p, output_node_opt_summary,
1174         input_node_opt_summary, input_cgraph_opt_section): New functions.
1175         * lto-section-in.c (lto_section_name): Add cgraphopt.
1176         * tree-inline.c (tree_function_versioning): Handle parm_num.
1177         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
1178         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
1179
1180 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
1181
1182         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
1183         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
1184         the insn to prefetch ratio heuristic to loops with known trip count.
1185
1186 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
1187
1188         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
1189         (schedule_prefetches): Do not generate a prefetch if the unroll factor
1190         is far from what is required by the prefetch.
1191
1192 2010-05-17  Jan Hubicka  <jh@suse.cz>
1193
1194         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
1195         (ipcp_estimate_growth): Likewise.
1196         (ipcp_const_param_count): Likewise.
1197         (ipcp_insert_stage): Likewise.
1198         * ipa-prop.c (visit_load_for_mod_analysis): New function.
1199         (visit_store_addr_for_mod_analysis): Set used flag.
1200         (ipa_detect_param_modifications): Set used flag for SSE params;
1201         update use of walk_stmt_load_store_addr_ops.
1202         (ipa_print_node_params): Print used flag.
1203         (ipa_write_node_info): Stream used flag.
1204         (ipa_read_node_info): Likewise.
1205         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
1206         (ipa_is_param_used): New function.
1207         (lto_ipa_fixup_call_notes): Remove unused declaration.
1208
1209 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1210
1211         PR target/44074
1212         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
1213         * configure: Regenerate.
1214         * config.in: Regenerate.
1215         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
1216         !HAVE_AS_IX86_REP_LOCK_PREFIX.
1217         Don't emit whitespace.
1218         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
1219         (*rep_movsi): Likewise.
1220         (*rep_movsi_rex64): Likewise.
1221         (*rep_movqi): Likewise.
1222         (*rep_movqi_rex64): Likewise.
1223         (*rep_stosdi_rex64): Likewise.
1224         (*rep_stossi): Likewise.
1225         (*rep_stossi_rex64): Likewise.
1226         (*rep_stosqi): Likewise.
1227         (*rep_stosqi_rex64): Likewise.
1228         (*cmpstrnqi_nz_1): Use {%;} after repz.
1229         (*cmpstrnqi_nz_rex_1): Likewise.
1230         (*cmpstrnqi_1): Likewise.
1231         (*cmpstrnqi_rex_1): Likewise.
1232         (*strlenqi_1): Use {%;} after repnz.
1233         (*strlenqi_rex_1): Likewise.
1234         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
1235         (*sync_compare_and_swap<mode>): Likewise.
1236         (sync_double_compare_and_swap<mode>): Likewise.
1237         (*sync_double_compare_and_swapdi_pic): Likewise.
1238         (sync_old_add<mode>): Likewise.
1239         (sync_add<mode>): Likewise.
1240         (sync_sub<mode>): Likewise.
1241         (sync_<code><mode>): Likewise.
1242
1243 2010-05-17  Martin Jambor  <mjambor@suse.cz>
1244
1245         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
1246         otr_token and polymorphic.
1247         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
1248         (cgraph_clone_edge): Copy the above fields.
1249         * tree.c (get_binfo_at_offset): New function.
1250         * tree.h (get_binfo_at_offset): Declare.
1251         * ipa-prop.h (enum jump_func_type): Added known_type jump function
1252         type, reordered items, updated comments.
1253         (union jump_func_value): Added base_type field, reordered fields.
1254         (enum ipa_lattice_type): Moved down in the file.
1255         (struct ipa_param_descriptor): New field polymorphic.
1256         (ipa_is_param_polymorphic): New function.
1257         * ipa-prop.c: Include gimple.h and gimple-fold.h.
1258         (ipa_print_node_jump_functions): Print known type jump functions.
1259         (compute_complex_pass_through): Renamed to...
1260         (compute_complex_assign_jump_func): this.
1261         (compute_complex_ancestor_jump_func): New function.
1262         (compute_known_type_jump_func): Likewise.
1263         (compute_scalar_jump_functions): Create known type and complex ancestor
1264         jump functions.
1265         (ipa_note_param_call): New parameter polymorphic, set the corresponding
1266         flag in the call note accordingly.
1267         (ipa_analyze_call_uses): Renamed to...
1268         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
1269         variable var only in the block where it is used.
1270         (ipa_analyze_virtual_call_uses): New function.
1271         (ipa_analyze_call_uses): Likewise.
1272         (combine_known_type_and_ancestor_jfs): Likewise.
1273         (update_jump_functions_after_inlining): Implemented handling of a
1274         number of new jump function types combination.
1275         (print_edge_addition_message): Removed.
1276         (make_edge_direct_to_target): New function.
1277         (try_make_edge_direct_simple_call): Likewise.
1278         (try_make_edge_direct_virtual_call): Likewise.
1279         (update_call_notes_after_inlining): Renamed to...
1280         (update_indirect_edges_after_inlining): this.  Moved edge creation for
1281         indirect calls to try_make_edge_direct_simple_call, also calls
1282         try_make_edge_direct_virtual_call for virtual calls.
1283         (ipa_print_node_params): Changed the header message.
1284         (ipa_write_jump_function): Stream also known type jump functions.
1285         (ipa_read_jump_function): Likewise.
1286         (ipa_write_indirect_edge_info): Stream new fields in
1287         cgraph_indirect_call_info.
1288         (ipa_read_indirect_edge_info): Likewise.
1289         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
1290         GIMPLE_FOLD_H.
1291
1292 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1293
1294         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
1295
1296 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
1297
1298         * tree.h (CALL_EXPR_ARGS): Delete.
1299         (call_expr_arglist): Delete.
1300         * tree.c (call_expr_arglist): Delete.
1301         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
1302         targetm.fold_builtin.
1303         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
1304         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
1305         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
1306         arglist parameter.  Use CALL_EXPR_ARG.
1307         (picochip_expand_builtin_3op): Likewise.
1308         (picochip_expand_builtin_2opvoid): Likewise.
1309         (picochip_expand_array_get): Likewise.
1310         (picochip_expand_array_put): Likewise.
1311         (picochip_expand_array_testport): Likewise.
1312         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
1313         rather than arglist.
1314         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
1315         CALL_EXPR_ARGS.
1316         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
1317         than TREE_VALUE and TREE_CHAIN.
1318         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
1319         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
1320         the arglist.
1321
1322 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
1323
1324         PR bootstrap/42347
1325         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
1326         to have no fallthru edge.
1327
1328         PR middle-end/44102
1329         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
1330         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
1331         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
1332         add BARRIER after previous bb if needed.
1333
1334 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
1335
1336         * tree.c (build_function_type_list_1): Remove bogus assert condition.
1337
1338 2010-05-17  Alan Modra  <amodra@gmail.com>
1339
1340         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
1341         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
1342         with copy_reg rtx param.
1343         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
1344         Correct cases where code for ABI_V4 did not initialise the reg
1345         used to access frame.  Also leave frame_reg_rtx as sp for large
1346         frames that save no regs.
1347
1348 2010-05-17  Martin Jambor  <mjambor@suse.cz>
1349
1350         PR middle-end/44133
1351         * tree-sra.c (create_access_replacement): New parameter rename, mark
1352         the replaement for renaming only when it is true.
1353         (get_access_replacement): Pass true in the rename parameter of
1354         create_access_replacement.
1355         (get_unrenamed_access_replacement): New function.
1356         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
1357         replacement declaration from it.
1358
1359 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
1360
1361         * function.c (try_fit_stack_local, add_frame_space): New static
1362         functions.
1363         (assign_stack_local_1): Use them.  Look for opportunities to use
1364         space previously wasted on alignment.
1365         * function.h (struct frame_space): New.
1366         (struct rtl_data): Add FRAME_SPACE_LIST member.
1367         * reload1.c (something_was_spilled): New static variable.
1368         (alter_reg): Set it.
1369         (reload): Test it in addition to testing if the frame size changed.
1370
1371 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
1372
1373         * config/s390/s390.c: Define sane prefetch settings and activate
1374         flag_prefetch_loop_arrays on -O3.
1375         * config/s390/s390.h: Declare that read can use write prefetch.
1376
1377 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
1378
1379         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
1380         build.
1381
1382 2010-05-16  Jan Hubicka  <jh@suse.cz>
1383
1384         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
1385         function body; do not check stdarg field of struct function.
1386
1387 2010-05-16  Jan Hubicka  <jh@suse.cz>
1388
1389         * cgraph.c (dump_cgraph_node): Dump versionable flag.
1390         * cgraph.h (cgraph_local_info): Add versionable flag.
1391         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
1392         (ipcp_versionable_function_p): Use it.
1393         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
1394         versionable flag.
1395
1396 2010-05-16  Jan Hubicka  <jh@suse.cz>
1397
1398         * cgraph.c (cgraph_clone_node): Take decl argument and insert
1399         clone into hash when it is different from orig.
1400         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
1401         * cgraph.h (cgraph_clone_node): Update prototype.
1402         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
1403         (lto_cgraph_encoder_delete): Delete body map.
1404         (lto_cgraph_encoder_size): Move to header.
1405         (lto_cgraph_encoder_encode_body_p,
1406         lto_set_cgraph_encoder_encode_body): New.
1407         (lto_output_node): Do not take written_decls argument; output clone_of
1408         pointer.
1409         (add_node_to): Add include_body_argument; call
1410         lto_set_cgraph_encoder_encode_body on master of the clone.
1411         (add_references): Update use of add_node_to.
1412         (compute_ltrans_boundary): Likewise.
1413         (output_cgraph): Do not create written_decls bitmap.
1414         (input_node): Take nodes argument; stream in clone_of correctly.
1415         (input_cgraph_1): Update use of input_node.
1416         * lto-streamer-out.c (lto_output): Use encoder info to decide
1417         what bodies to output.
1418         * ipa-inline.c (cgraph_clone_inlined_nodes,
1419         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
1420         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
1421         (lto_cgraph_encoder_size): Define here.
1422         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
1423         Declare.
1424
1425 2010-05-16  Richard Guenther  <rguenther@suse.de>
1426
1427         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
1428         -fipa-type-escape.
1429         * ipa-type-escape.c (gate_type_escape_vars): Run when
1430         -fipa-struct-reorg runs.
1431         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
1432         * common.opt (fipa-type-escape): Remove.
1433
1434 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
1435
1436         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
1437         (decode_options): Likewise.
1438         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
1439
1440 2010-05-16  Jan Hubicka  <jh@suse.cz>
1441
1442         * ipa.c (function_and_variable_visibility): Also bring local all
1443         aliases.
1444
1445 2010-05-16  Richard Guenther  <rguenther@suse.de>
1446
1447         * alias.c (nonoverlapping_memrefs_p): Remove use of
1448         IPA type-escape information.
1449
1450 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
1451
1452         * c-common.c (c_common_reswords): Add _Static_assert for C.
1453         * c-parser.c (c_token_starts_declaration,
1454         c_parser_next_token_starts_declaration,
1455         c_parser_static_assert_declaration_no_semi,
1456         c_parser_static_assert_declaration): New.
1457         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
1458         Handle static assertions if static_assert_ok.
1459         (c_parser_external_declaration, c_parser_declaration_or_fndef,
1460         c_parser_compound_statement_nostart, c_parser_label,
1461         c_parser_for_statement, c_parser_objc_methodprotolist,
1462         c_parser_omp_for_loop): All callers of
1463         c_parser_declaration_or_fndef changed.
1464         (c_parser_struct_declaration): Handle static assertions.
1465         (c_parser_compound_statement_nostart): Use
1466         c_parser_next_token_starts_declaration and
1467         c_token_starts_declaration to detect start of declarations.
1468         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
1469         Likewise.
1470
1471 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
1472
1473         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
1474         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
1475         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
1476         TARGET_FUNCTION_VALUE_REGNO_P): Define.
1477         (mmix_function_outgoing_value): Rename to...
1478         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
1479         (mmix_function_value_regno_p): Make static.
1480         (mmix_libcall_value): New function.
1481         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
1482         mmix_function_value_regno_p): Remove declaration.
1483
1484 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
1487         BUILT_IN_ALLOCA if stack checking is enabled.
1488
1489 2010-05-16  Richard Guenther  <rguenther@suse.de>
1490
1491         * var-tracking.c (vars_copy_1): Inline ...
1492         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
1493         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
1494         (variable_merge_over_cur): Adjust.  Merge asserts.
1495         (variable_merge_over_src): Likewise.
1496         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
1497         (variable_post_merge_new_vals): Merge asserts.
1498         (variable_post_merge_perm_vals): Likewise.
1499         (find_mem_expr_in_1pdv): Likewise.
1500         (dataflow_set_different_value): Remove.
1501         (onepart_variable_different_p): Merge asserts.
1502         (variable_different_p): Likewise.
1503         (dataflow_set_different_1): Inline ...
1504         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
1505         (emit_notes_for_differences_1): Merge asserts.
1506
1507 2010-05-16  Richard Guenther  <rguenther@suse.de>
1508
1509         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
1510         * optabs.c (libfunc_decl_hash): Likewise.
1511         * varasm.c (emutls_decl): Likewise.
1512
1513 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
1514
1515         * c-decl.c: Don't include gimple.h.
1516         (merge_decls): Do not copy gimple_body.
1517
1518 2010-05-15  Jason Merrill  <jason@redhat.com>
1519
1520         * c.opt: Add -fnothrow-opt.
1521
1522 2010-05-15  Jan Hubicka  <jh@suse.cz>
1523
1524         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
1525         analyzed.
1526         * passes.c (ipa_write_summaries): Write all analyzed nodes.
1527
1528 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
1529
1530         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
1531         * Makefile.in: Add it.
1532         Fix all other Makefile dependencies for changes below.
1533         * tree.h: Include it instead of defining VEC primitives here.
1534         * gimple.h: Likewise.
1535         * rtl.h: Likewise.
1536         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
1537         * except.h: Include vecir.h, break dependence on tree.h.
1538
1539         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
1540         Move from here...
1541         * tree-iterator.c: ...to here.
1542         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
1543
1544         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
1545         tm_p.h.
1546         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
1547         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
1548         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
1549         tree-mudflap.h, and target.h.
1550         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
1551         predict.h, tree-inline.h, gimple.h, and langhooks.h.
1552         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
1553         Add FIXME for why gimple.h is still included (should be unnecessary
1554         since GCC 4.5 gimplification unit-at-a-time).
1555         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
1556         * c-pragma.c: Add FIXME for why function.h needs to be included just
1557         for cfun, at front-end level.
1558         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
1559         Do not include ggc.h, but include vecprim.h for VEC(char).
1560         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
1561         Explain why target.h is included.
1562         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
1563         Explain why gimple.h is included.
1564         * c-ppoutput.c: Do not include tm.h.
1565         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
1566         * c-parses.c: Explain why rtl.h is included, and that this (and only
1567         this) is also why tm.h must be included.
1568         Do not include except.h.
1569         * c-lang.c: Do not include ggc.h.
1570
1571 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
1572
1573         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
1574
1575 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
1576
1577         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
1578         unions by default if those structs and unions have no tags.  Do
1579         not condition anonymous struct and unions handling on flag_iso.
1580         Allow anonymous structs and unions for C1X.
1581         (finish_struct): Do not diagnose lack of named fields when
1582         anonymous structs and unions present for C1X.  Accept flexible
1583         array members in structure with anonymous structs or unions but no
1584         directly named fields.
1585         * doc/extend.texi (Unnamed Fields): Update.
1586
1587 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1588
1589         * gimple.h (compare_field_offset): Rename into...
1590         (gimple_compare_field_offset): ...this.
1591         * gimple.c (compare_field_offset): Rename into...
1592         (gimple_compare_field_offset): ...this.  Compare the full access if
1593         the offset is self-referential.
1594         (gimple_types_compatible_p): Adjust for above renaming.
1595         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
1596         DECL_NONADDRESSABLE_P flag of fields before merging them.
1597
1598 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
1599
1600         * tree.h (ctor_to_list): Delete.
1601         * tree.c (ctor_to_list): Delete.
1602
1603 2010-05-15  Jan Hubicka  <jh@suse.cz>
1604
1605         * ipa-reference.c: Include toplev.h
1606         (is_proper_for_analysis): Only add to all_module_statics
1607         if it is allocated.
1608         (write_node_summary_p, stream_out_bitmap,
1609         ipa_reference_write_optimization_summary,
1610         ipa_reference_read_optimization_summary): New.
1611         (struct ipa_opt_pass_d pass_ipa_reference): Add
1612         optimization summary streaming.
1613         * lto-cgraph.c (referenced_from_this_partition_p,
1614         reachable_from_this_partition_p): New functions.
1615         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
1616         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
1617         * opts.c (decode_options): Enable ipa_reference.
1618         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
1619         * lto-streamer.h (referenced_from_this_partition_p,
1620         reachable_from_this_partition_p): Declare.
1621
1622 2010-05-15  Richard Guenther  <rguenther@suse.de>
1623
1624         PR tree-optimization/44038
1625         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
1626         taking the address of a V_C_E of a constant.
1627
1628 2010-05-14  Jan Hubicka  <jh@suse.cz>
1629
1630         * tree.h (memory_identifier_string): Remove.
1631         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
1632         (ipa_reference_global_vars_info_d): Remove statics_not_read and
1633         statics_not_written.
1634         (ipa_reference_optimization_summary_d): New structure.
1635         (ipa_reference_optimization_summary_t): New type and vector.
1636         (ipa_reference_vars_info_d): Embedd structures instead of using
1637         pointers.
1638         (reference_vars_to_consider): Remove out of GGC space.
1639         (module_statics_escape): Remove.
1640         (global_info_obstack): Rename to ...
1641         (optimization_summary_obstack): ... this one.
1642         (initialization_status_t): Remove.
1643         (memory_identifier_string): Remove.
1644         (get_reference_vars_info): Fix indenting.
1645         (set_reference_vars_info): Likewise.
1646         (get_reference_optimization_summary): New.
1647         (set_reference_optimization_summary): New.
1648         (get_global_reference_vars_info): Remove.
1649         (ipa_reference_get_read_global): Remove.
1650         (ipa_reference_get_written_global): Remove.
1651         (ipa_reference_get_not_read_global): Update.
1652         (ipa_reference_get_not_written_global): Update.
1653         (is_proper_for_analysis): Outlaw addressable.
1654         (propagate_bits): Update for new datastructures.
1655         (analyze_variable): Remove.
1656         (init_function_info): Update for new datastructures.
1657         (clean_function_local_data): Remove.
1658         (clean_function): Remove.
1659         (copy_global_bitmap): Use optimizations_summary_obstack.
1660         (duplicate_node_data): Duplicate optimization summary only.
1661         (remove_node_data): Remove optimization summary only.
1662         (generate_summary): Do not analyze variables; do not compute
1663         module_statics_escape; do not prune solutions by it.
1664         (read_write_all_from_decl): Fix typos in comments.
1665         (propagate): Doscover readonly and nonaddressable first;
1666         update for new datastructures; share global bitmaps.
1667         * ipa-reference.h (ipa_reference_get_read_global,
1668         ipa_reference_get_written_global): Remove.
1669         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
1670         * Makefile.in: Remove ipa-refereference from GT files.
1671
1672 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
1673
1674         PR debug/44112
1675         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
1676         for all SYMBOL_REF_DECLs.
1677
1678 2010-05-14  Jan Hubicka  <jh@suse.cz>
1679
1680         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
1681         (varpool_all_refs_explicit_p): New inline function.
1682         * ipa-reference.c: Update comment.
1683         (module_statics_written): Remove.
1684         (get_static_decl): Remove.
1685         (ipa_init): Do not initialize module_statics_written.
1686         (analyze_function): Likewise.
1687         (generate_summary): Likewise; do not compute module_statics_readonly
1688         and do not update variable flags.
1689         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
1690         * ipa.c: Inlucde flags.h
1691         (cgraph_local_node_p): New.
1692         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
1693         promote functions to local.
1694         (ipa_discover_readonly_nonaddressable_vars): New function.
1695         (function_and_variable_visibility): Use cgraph_local_node_p.
1696         * varpool.c (varpool_finalize_decl): Set force_output for
1697         DECL_PRESERVE_P vars.
1698
1699 2010-05-14  Jan Hubicka  <jh@suse.cz>
1700
1701         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
1702
1703 2010-05-14  Richard Guenther  <rguenther@suse.de>
1704
1705         PR tree-optimization/44119
1706         * tree-ssa-pre.c (eliminate): Properly mark replacement of
1707         a PHI node necessary.
1708
1709 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1710
1711         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
1712
1713 2010-05-14  Jason Merrill  <jason@redhat.com>
1714
1715         PR c++/44127
1716         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
1717         (gimple_call_set_nothrow): New.
1718         * gimple.c (gimple_build_call_from_tree): Call it.
1719         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
1720
1721         PR c++/44127
1722         * gimplify.c (gimplify_seq_add_stmt): No longer static.
1723         * gimple.h: Declare it.
1724         * gimple.c (gimple_build_eh_filter): No ops.
1725
1726 2010-05-14  Jan Hubicka  <jh@suse.cz>
1727
1728         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
1729         nodes already in queue.
1730         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
1731         re-enqueueing node.
1732
1733 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
1734
1735         PR debug/44136
1736         * cfgexpand.c (expand_debug_expr): If non-memory op0
1737         has BLKmode, return NULL.
1738
1739 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
1740
1741         * config.gcc: Add support for --with-cpu option for bdver1.
1742         * config/i386/i386.h (TARGET_BDVER1): New macro.
1743         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
1744         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
1745         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
1746         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
1747         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
1748         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
1749         (processor_type): Add PROCESSOR_BDVER1.
1750         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
1751         processor_type in config/i386/i386.h.
1752         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
1753         movaps <reg, reg> instead of movapd <reg, reg> when replacing
1754         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
1755         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
1756         to emit packed xor instead of packed double/packed integer
1757         xor for SSE and AVX when moving a zero value.
1758         * config/i386/sse.md: Add check for
1759         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
1760         movapd/movdqa for SSE and AVX.
1761         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
1762         single logical operations i.e and, or and xor instead of packed double
1763         logical operations for SSE and AVX.
1764         * config/i386/i386-c.c (ix86_target_macros_internal):
1765         Add PROCESSOR_BDVER1.
1766         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
1767         (has_fma4, has_xop): New.
1768         * config/i386/i386.c (bdver1_cost): New variable.
1769         (m_BDVER1): New macro.
1770         (m_AMD_MULTIPLE): Add m_BDVER1.
1771         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
1772         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
1773         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
1774         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
1775         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
1776         x86_tune_sse_partial_reg_dependency,
1777         x86_tune_sse_unaligned_load_optimal,
1778         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
1779         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
1780         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
1781         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
1782         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
1783         Enable/disable for bdver1.
1784         (processor_target_table): Add bdver1_cost.
1785         (cpu_names): Add bdver1.
1786         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
1787          processor_alias_table.
1788         (ix86_expand_vector_move_misalign): Change.
1789         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
1790         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
1791         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
1792         of movupd/movdqu for SSE and AVX.
1793         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
1794         (ix86_tune_adjust_cost): Add code for bdver1.
1795         (standard_sse_constant_opcode): Add check for
1796         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
1797         of packed double xor for SSE and AVX.
1798
1799 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
1800
1801         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
1802         result to unsigned.
1803
1804 2010-05-14  Tristan Gingold  <gingold@adacore.com>
1805
1806         * toplev.c (default_debug_hooks): Remove this variable.
1807         (process_options): Remove assignments to default_debug_hooks.
1808
1809 2010-05-14  Martin Jambor  <mjambor@suse.cz>
1810
1811         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
1812         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
1813         * langhooks.h (struct lang_hooks_for_decls): Removed field
1814         fold_obj_type_ref.
1815         * tree.c (free_lang_data): Remove assignment to
1816         lang_hooks.fold_obj_type_ref.
1817         * tree.def (OBJ_TYPE_REF): Update comment.
1818
1819 2010-05-14  Richard Guenther  <rguenther@suse.de>
1820
1821         PR tree-optimization/44124
1822         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
1823
1824 2010-05-14  Alan Modra  <amodra@gmail.com>
1825
1826         PR target/44075
1827         * config/rs6000/rs6000.c (struct machine_function): Reorder
1828         fields for better packing.  Add lr_save_state.
1829         (rs6000_ra_ever_killed): Return lr_save_state if set.
1830         (rs6000_emit_eh_reg_restore): Set lr_save_state.
1831
1832 2010-05-13  Jan Hubicka  <jh@suse.cz>
1833
1834         * varpool.c (decide_is_variable_needed): Drop code checking
1835         TREE_SYMBOL_REFERENCED.
1836
1837 2010-05-13  Jan Hubicka  <jh@suse.cz>
1838
1839         * final.c (output_addr_const): Do not call mark_decl_referenced.
1840         * cgraphunit.c (process_function_and_variable_attributes): Use
1841         mark_needed_node dirrectly.
1842         (assemble_thunk): Do not call mark_decl_referenced.
1843
1844 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
1845
1846         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
1847
1848 2010-05-13  Jeff Law  <law@redhat.com>
1849
1850         * ira-conflicts.c (print_allocno_conflicts): New function broken out
1851         from...
1852         (print_conflicts): Call print_allocno_conflicts.
1853
1854 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
1855
1856         PR debug/44104
1857         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
1858         if it is NULL.
1859
1860 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
1861
1862         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
1863         t-mingw-w64 or t-mingw-w32 for multilib configuration.
1864         * config/i386/t-mingw-w32: New.
1865         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
1866
1867 2010-05-13  Martin Jambor  <mjambor@suse.cz>
1868
1869         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
1870         gimple-fold.c).
1871         * gimple-fold.c (get_base_binfo_for_type): New function.
1872         (gimple_get_relevant_ref_binfo): Likewise.
1873         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1874         (gimple_fold_obj_type_ref): Likewise.
1875         (fold_gimple_call): Simplify condition for folding virtual calls
1876         and call gimple_fold_obj_type_ref.
1877         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
1878         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1879
1880 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
1881
1882         * config/rs6000/rs6000-protos.h
1883         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
1884         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
1885         (rs6000_debug_mode_dependent_address)
1886         (rs6000_mode_dependent_address_ptr): Likewise.
1887
1888 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR debug/43983
1891         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
1892         by SRA.
1893         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
1894         * tree-sra.c (create_access_replacement): Call unshare_expr before
1895         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
1896         * dwarf2out.c: Include tree-flow.h.
1897         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
1898         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
1899         Handle DW_OP_bit_piece.
1900         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
1901         construct_piece_list, adjust_piece_list): New functions.
1902         (add_var_loc_to_decl): Handle SRA optimized variables.
1903         Adjust for var_loc_note to loc field renaming.
1904         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
1905         in VAR_LOCATION note.
1906         (new_loc_descr_op_bit_piece): New function.
1907         (dw_sra_loc_expr): New function.
1908         (dw_loc_list): Use it.  Don't handle the last range after the
1909         loop, handle it inside of the loop.  Adjust for var_loc_note
1910         to loc field renaming.
1911         (add_location_or_const_value_attribute): Only special case
1912         single entry loc lists if loc is NOTE_P.  Adjust for
1913         var_loc_note to loc field renaming.
1914         (dwarf2out_var_location): Don't set newloc->var_loc_note
1915         and newloc->next here.
1916
1917 2010-05-12  Jan Hubicka  <jh@suse.cz>
1918
1919         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
1920         flag.
1921         * cgraph.h (cgraph_only_called_directly_p,
1922         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
1923         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
1924         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
1925         (assemble
1926         * ipa.c (cgraph_remove_unreachable_nodes): Use
1927         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
1928         flags.
1929         * tree-inline.c (copy_bb): Check address_taken flag.
1930         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
1931         externally_visible flag.
1932
1933 2010-05-12  Jason Merrill  <jason@redhat.com>
1934
1935         PR bootstrap/44048
1936         PR target/44099
1937         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
1938         * sdbout.c (plain_type_1): Likewise.
1939         * dwarf2out.c (is_base_type): Likewise.
1940         (gen_type_die_with_usage): Likewise.  Generate
1941         DW_TAG_unspecified_type for any LANG_TYPE.
1942
1943 2010-05-12  Jan Hubicka  <jh@suse.cz>
1944
1945         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
1946         indrect edges too.
1947         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
1948         (cgraph_clone_edge): Update.
1949         (cgraph_node_remove_callees): Remove indirect calls too.
1950         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
1951         (cgraph_create_indirect_edge): Update prototype.
1952         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
1953         is_proper_for_analysis.
1954         (add_new_function, visited_nodes, function_insertion_hook_holder,
1955         get_local_reference_vars_info, mark_address_taken, mark_address,
1956         mark_load, mark_store, check_asm_memory_clobber, check_call,
1957         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
1958         (ipa_init): Do not initialize visited_nodes;
1959         function_insertion_hook_holder.
1960         (analyze_variable): Rewrite.
1961         (analyze_function): Rewrite.
1962         (copy_local_bitmap): Remove.
1963         (duplicate_node_dat): Do not duplicate local info.
1964         (generate_summary): Simplify to only walk cgraph.
1965         (write_node_summary_p, ipa_reference_write_summary,
1966         ipa_reference_read_summary): Remove.
1967         (propagate): Do not remove function insertion;
1968         generate summary.
1969         (pass_ipa_reference): NULLify summary handling fields.
1970         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
1971         (input_edge): Input ecf_flags.
1972         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
1973         (update_indirect_edges_after_inlining): Ignore edges with unknown
1974         param.
1975
1976 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
1977
1978         * implicit-zee.c: New file.
1979         * tree-pass.h (pass_implicit_zee): Declare.
1980         * passes.c (init_optimization_passes): Add zee pass.
1981         * common.opt (fzee): New flag.
1982         * timevar.def (TV_ZEE): Define.
1983         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
1984         and beyond.
1985         * Makefile.in (implicit-zee.o): Add new build file.
1986
1987 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1988             Nathan Froyd  <froydnj@codesourcery.com>
1989
1990         * c-common.c (sync_resolve_params): Remove write-only variable.
1991
1992 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
1993
1994         * target.h (struct gcc_target): Add mode_dependent_address_p field.
1995         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1996         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
1997         * targhooks.c (default_mode_dependent_address_p): New function.
1998         * targhooks.h (default_mode_dependent_address_p): Declare function.
1999         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
2000         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
2001         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
2002         target hook. Change return type to bool.
2003         * recog.h: (mode_dependent_address_p): Change return type to bool.
2004
2005 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2006             Nathan Froyd  <froydnj@codesourcery.com>
2007
2008         * tree-mudflap.c (build_function_type_0, build_function_type_1,
2009         build_function_type_2, build_function_type_3): Remove.
2010         (mudflap_init): Use build_function_type_list.
2011
2012 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2013             Nathan Froyd  <froydnj@codesourcery.com>
2014
2015         * coverage.c (build_fn_info_value): Call build_constructor instead of
2016         build_constructor_from_list.
2017         (build_ctr_info_value): Likewise.
2018         (build_gcov_info): Likewise.
2019
2020 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
2021
2022         * tree.c (build_constructor): Compute TREE_CONSTANT for the
2023         resultant constructor.
2024         (build_constructor_single): Don't set TREE_CONSTANT.
2025         (build_constructor_from_list): Don't compute TREE_CONSTANT.
2026
2027 2010-05-12  Jan Hubicka  <jh@suse.cz>
2028
2029         * cgraph.h (struct varpool_node): Add aux.
2030         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
2031         * varpool.c (varpool_remove_node): Do not remove initializer.
2032         (varpool_reset_queue): Export.
2033         (varpool_finalize_decl): Volatile vars are forced to be output.
2034         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
2035         replaced decl.
2036         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
2037         process_references, varpool_can_remove_if_no_refs): New functions.
2038         (cgraph_remove_unreachable_nodes): Handle variables too.
2039
2040 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2041
2042         PR target/44088
2043         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
2044
2045 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
2046
2047         PR middle-end/44085
2048         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
2049         change value of ORT_TASK.
2050         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
2051         (omp_notice_threadprivate_variable): New function.
2052         (omp_notice_variable): Call it for threadprivate variables.
2053         If enclosing ctx is a task, print enclosing task rather than
2054         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
2055         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
2056         if task has untied clause.
2057
2058         PR debug/42278
2059         * dwarf2out.c (base_type_die): Don't add name attribute here.
2060         (modified_type_die): Instead of sizetype use
2061         its underlying original type.  If a DW_TAG_base_type doesn't
2062         have name added, add __unknown__.
2063         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
2064         always call force_type_die instead.
2065
2066 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
2067
2068         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
2069         for __stack_chk_guard.
2070
2071 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2072
2073         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
2074         don't call start_source_file debug hook here...
2075         (finish_options): ... but here, after outputting predefined and
2076         command line defines and undefs.
2077
2078         PR middle-end/44071
2079         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
2080         no fallthru edge.
2081         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
2082         optimizing away empty bb with no successors, move over its
2083         footer chain to fallthru predecessor.
2084         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
2085         (rtl_split_edge): For asm goto call patch_jump_insn even if
2086         splitting fallthru edge.
2087
2088         PR c++/44059
2089         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
2090         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
2091         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
2092         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
2093         on DW.ref.* decls.
2094
2095         PR c++/44062
2096         * c-parser.c (c_parser_expression): Mark LHS of a comma
2097         expression as read if it is a decl, handled component or
2098         COMPOUND_EXPR with that on the RHS.
2099         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
2100         if it is a decl or handled component.
2101
2102 2010-05-11  Jan Hubicka  <jh@suse.cz>
2103
2104         * lto-symtab.c (lto_symtab_free): New function.
2105         * lto-streamer.h (lto_symtab_free): Declare.
2106
2107 2010-05-11  Jan Hubicka  <jh@suse.cz>
2108
2109         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
2110         that if function is needed it is reachable.
2111         (lto_output_node): See if it the function is reachable or referenced.
2112         (output_cgraph): Update call of lto_output_node.
2113         * lto-streamer.h (reachable_from_other_partition_p): Declare.
2114
2115 2010-05-11  Jan Hubicka  <jh@suse.cz>
2116
2117         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
2118         Mark as used.
2119
2120 2010-05-11  Jan Hubicka  <jh@suse.cz>
2121
2122         PR tree-optimize/44063
2123         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
2124         queue.
2125         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
2126         limits.
2127         (estimate_function_body_sizes): Compute sizes even when disregarding.
2128
2129 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
2130
2131         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
2132
2133 2010-05-11  Jan Hubicka  <jh@suse.cz>
2134
2135         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
2136         into every boundary.
2137
2138 2010-05-11  Jan Hubicka  <jh@suse.cz>
2139
2140         * matrix-reorg.c (matrix_reorg): Rebuild edges.
2141
2142 2010-05-11  Jan Hubicka  <jh@suse.cz>
2143
2144         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
2145         lto_streamer_cache_delete): Put nodes into heap.
2146         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
2147         heap.
2148
2149 2010-05-11  Jan Hubicka  <jh@suse.cz>
2150
2151         * cgraphbuild.c (cgraph_rebuild_references): New.
2152         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
2153         out extern inlines.
2154         * cgraph.h (cgraph_rebuild_references): Declare.
2155         * tree-inline.c (tree_function_versioning): Use it.
2156         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
2157
2158 2010-05-11  Jan Hubicka  <jh@suse.cz>
2159
2160         * cgraph.c: Include ipa-utils.h
2161         (cgraph_create_virtual_clone): Update references.
2162         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
2163
2164 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
2165
2166         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
2167         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
2168         cache size.
2169
2170 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
2171
2172         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
2173
2174 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2175
2176         * gcc.c (execute): For -### don't quote arguments that
2177         contain just alphanumerics and _/-. characters.
2178         * doc/invoke.texi: Document that change for -###.
2179
2180         PR debug/44023
2181         * df-problems.c (struct dead_debug): Add to_rescan field.
2182         (dead_debug_init): Clear to_rescan field.
2183         (dead_debug_finish): Rescan all debug insns in to_rescan
2184         bitmap and free the bitmap.
2185         (dead_debug_insert_before): Instead of rescanning debug insns
2186         immediately queue their rescanning until dead_debug_finish.
2187         (df_note_bb_compute): After dead_debug_add do continue instead
2188         of break.
2189
2190 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
2191
2192         PR debug/44028
2193         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
2194         clear also INSN_REG_USE_LIST.
2195
2196 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2197
2198         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
2199
2200 2010-05-10  Jan Hubicka  <jh@suse.cz>
2201
2202         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
2203         commited change.
2204
2205 2010-05-10  Jan Hubicka  <jh@suse.cz>
2206
2207         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
2208         Allocate encoders.
2209         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
2210         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
2211         (lto_streamer_cache_create): Init alloc pool.
2212         (lto_streamer_cache_delete): Free alloc pool.
2213         * lto-streamer.h: Include alloc pool.
2214         (lto_streamer_cache_d): Use alloc pool.
2215         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
2216
2217 2010-05-10  Jan Hubicka  <jh@suse.cz>
2218
2219         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
2220         * cgraphbuild.c: Include except.h
2221         (record_type_list, record_eh_tables): New function.
2222         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
2223
2224 2010-05-10  Jan Hubicka  <jh@suse.cz>
2225
2226         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
2227         __frame_dummy_init_array_entry, force_to_data): Attribute as used
2228         rather than unused.
2229
2230 2010-05-10  Michael Matz  <matz@suse.de>
2231
2232         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
2233         (can_reassociate_p): Use FLOAT_TYPE_P.
2234         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
2235         (vect_force_simple_reduction): ... this.
2236         * tree-parloops.c (gather_scalar_reductions): Use
2237         vect_force_simple_reduction.
2238         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
2239         vect_is_simple_reduction, add modify argument, if true rewrite
2240         "a-b" into "a+(-b)".
2241         (vect_is_simple_reduction, vect_force_simple_reduction): New
2242         functions.
2243         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
2244
2245 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2246             Vladimir Makarov  <vmakarov@redhat.com>
2247
2248         PR rtl-optimization/44012
2249         * ira-build.c (remove_unnecessary_allocnos): Nullify
2250         regno_allocno_map of the removed allocno.
2251
2252 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2253
2254         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
2255         to /dev/null.
2256         * configure: Regenerate.
2257
2258 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2259
2260         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
2261         unused.
2262         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
2263         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
2264         support in Sun ld.
2265         * configure: Regenerate.
2266
2267 2010-05-10  Richard Guenther  <rguenther@suse.de>
2268
2269         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
2270         marked if the entry identifier is marked.
2271
2272 2010-05-10  Richard Guenther  <rguenther@suse.de>
2273
2274         * c-common.c (struct c_common_attributes): Add fnspec attribute.
2275         (handle_fnspec_attribute): New function.
2276         * gimple.h (gimple_call_return_flags): Declare.
2277         (gimple_call_arg_flags): Likewise.
2278         * gimple.c (gimple_call_arg_flags): New function.
2279         (gimple_call_return_flags): Likewise.
2280         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
2281         New argument flags.
2282         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
2283         return value flags.
2284         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
2285         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
2286         main work to ...
2287         (make_heapvar_for): ... this new function.
2288         (handle_rhs_call): Handle fnspec attribute argument specifiers.
2289         (handle_lhs_call): Likewise.
2290         (find_func_aliases): Adjust.
2291
2292 2010-05-10  Richard Guenther  <rguenther@suse.de>
2293
2294         PR tree-optimization/44050
2295         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
2296
2297 2010-05-10  Wei Guozhi  <carrot@google.com>
2298
2299         PR target/42879
2300         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
2301
2302 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
2303
2304         PR c/10676
2305         * c-typeck.c (lookup_field): Take a type directly.  Update
2306         recursive calls.
2307         (build_component_ref): Update call to lookup_field.
2308         (set_init_label): Use lookup_field to find initialized field.
2309         Handle returned list of fields like a sequence of designators.
2310
2311 2010-05-09  Richard Guenther  <rguenther@suse.de>
2312
2313         PR middle-end/44024
2314         * fold-const.c (tree_single_nonzero_warnv_p): Properly
2315         handle &FUNCTION_DECL.
2316
2317 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
2318
2319         PR c/4784
2320         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
2321         structures and unions recursively.
2322         (detect_field_duplicates): Move duplicate detection with a hash to
2323         detect_field_duplicates_hash.  Always use a hash if anonymous
2324         structures or unions are present.
2325         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
2326         give errors.
2327
2328 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
2329
2330         PR target/44046
2331         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
2332         detect Atom, Core 2 and Core i7.
2333
2334 2010-05-09  Richard Guenther  <rguenther@suse.de>
2335
2336         * gcc.c (store_arg): Handle temporary file deletion for
2337         joined arguments.
2338
2339 2010-05-09  Richard Guenther  <rguenther@suse.de>
2340
2341         PR middle-end/44043
2342         * ipa-inline.c (estimate_function_body_sizes): Return after
2343         disregarding inline limits.
2344
2345 2010-05-09  Richard Guenther  <rguenther@suse.de>
2346
2347         * gcc.c (store_arg): Revert last change.
2348
2349 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
2350
2351         PR middle-end/28685
2352         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
2353         (optimize_ops_list): Call it.
2354
2355 2010-05-08  Richard Guenther  <rguenther@suse.de>
2356
2357         PR tree-optimization/44030
2358         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
2359         NECESSARY flag if we propagate from a inserted expression.
2360
2361 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
2362
2363         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
2364         domain types as equal if they are both PLACEHOLDER_EXPRs.
2365
2366 2010-05-08  Richard Guenther  <rguenther@suse.de>
2367
2368         * lto-wrapper.c (run_gcc): Remove linker output from
2369         command line for LTRANS invocation.
2370
2371 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2372
2373         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
2374         lto-macho as lto_binary_reader.
2375         * target.h (struct gcc_target): New hooks lto_start and lto_end.
2376         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
2377         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
2378         in lto_start and lto_end calls.
2379         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
2380         magic numbers.
2381         (scan_prog_file): Update is_elf_or_coff call.
2382         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
2383
2384         * collect2.c (main): Fix enum comparison.
2385
2386         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
2387         Add prototypes.
2388         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
2389         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
2390         and TARGET_ASM_LTO_END.
2391         * darwin.c: Include obstack.h and lto-streamer.h.
2392         (lto_section_names_offset, lto_section_names_obstack,
2393         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
2394         global variables.
2395         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
2396         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
2397         to a temporary file.
2398         (darwin_asm_lto_end): New function.  Restore asm_out_file.
2399         (darwin_asm_named_section): For LTO sections, replace the name with
2400         the offset of the section name in a string table, and build this
2401         table.
2402         (darwin_file_start): Initialize global vars for LTO support.
2403         (darwin_file_end): If output to asm_out_file was redirected, append it
2404         to the proper asm_out_file here.  Add the section names section.
2405
2406 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2407
2408         * c-pragma.c (pending_weak_d, pending_weak): New.
2409         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
2410         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
2411         handle_pragma_weak): Update the uses of pending_weaks.
2412
2413 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2414
2415         PR documentation/44016
2416         * doc/standards.texi (Standards): Link to unversioned
2417         cxx0x_status.html page.
2418
2419 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
2420
2421         PR target/43708
2422         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
2423         in addition to TREE_USED, to avoid "set but unused" warnings.
2424
2425 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
2426
2427         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
2428         (is_loop_prefetching_profitable): Do not insert prefetches
2429         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
2430         times the prefetch ahead distance.
2431
2432 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
2433
2434         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
2435         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
2436         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
2437         the unroll_factor.
2438
2439 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
2440
2441         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
2442         a diagnostic info when the insn-to-mem ratio is too small.
2443
2444 2010-05-07  Richard Guenther <rguenther@suse.de>
2445
2446         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
2447         the linker plugin.
2448         (store_arg): Queue temp_filename for deletion instead of
2449         the whole argument.
2450
2451 2010-05-07  Richard Guenther  <rguenther@suse.de>
2452
2453         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
2454         (run_gcc): Handle LTRANS phase invocation.
2455         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
2456
2457 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
2458
2459         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
2460         this is also meaningful on PARM_DECLs and RESULT_DECLs.
2461
2462 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2463
2464         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
2465
2466 2010-05-07  Richard Guenther  <rguenther@suse.de>
2467
2468         PR tree-optimization/44020
2469         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
2470         code when PRE is not yet initialized.
2471
2472 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2473
2474         * config/mips/dbxmdebug.h: Remove.
2475         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
2476
2477 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
2478
2479         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
2480         with null pointer and also warn about ordered comparison of zero with
2481         pointer if -Wextra.
2482
2483 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
2484
2485         * graphite-blocking.c
2486         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
2487         * graphite-clast-to-gimple.c
2488         (clast_to_gcc_expression): Same.
2489         (precision_for_value): Same.
2490         (precision_for_interval): Same.
2491         (gcc_type_for_interval): Same.
2492         (graphite_create_new_guard): Same.
2493         (compute_bounds_for_level): Same.
2494         (graphite_create_new_loop_guard): Same.
2495         * graphite-interchange.c
2496         (build_linearized_memory_access): Same.
2497         (pdr_stride_in_loop): Same.
2498         (memory_strides_in_loop_1): Same.
2499         (memory_strides_in_loop): Same.
2500         (extend_scattering): Same.
2501         (psct_scattering_dim_for_loop_depth): Same.
2502         (pbb_number_of_iterations): Same.
2503         * graphite-poly.h
2504         (debug_iteration_domains): Same.
2505         * graphite-ppl.c
2506         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
2507         (ppl_set_inhomogeneous_gmp): Same.
2508         (ppl_strip_loop): Same.
2509         (ppl_lexico_compare_linear_expressions): Same.
2510         (ppl_read_polyhedron_matrix): Same.
2511         (ppl_max_for_le_pointset): Same.
2512         * graphite-ppl.h
2513         (ppl_read_polyhedron_matrix): Same.
2514         (tree_int_to_gmp): Same.
2515         (gmp_cst_to_tree): Same.
2516         (ppl_set_inhomogeneous): Same.
2517         (ppl_set_inhomogeneous_tree): Same.
2518         (ppl_set_coef): Same.
2519         (ppl_set_coef_tree): Same.
2520         * graphite-sese-to-poly.c
2521         (build_pbb_scattering_polyhedrons): Same.
2522         (build_scop_scattering): Same.
2523         (scan_tree_for_params_right_scev): Same.
2524         (scan_tree_for_params): Same.
2525         (find_params_in_bb): Same.
2526         (find_scop_parameters): Same.
2527         (add_upper_bounds_from_estimated_nit): Same.
2528         (build_loop_iteration_domains): Same.
2529         (add_condition_to_domain): Same.
2530         (pdr_add_memory_accesses): Same.
2531
2532 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
2533
2534         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
2535         CLooG's value_* macros to their respective mpz_* counterparts.
2536         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
2537         (graphite_create_new_loop_guard): Same.
2538         * graphite-interchange.c (build_linearized_memory_access): Same.
2539         (pdr_stride_in_loop): Same.
2540         (memory_strides_in_loop_1): Same.
2541         (1st_interchange_profitable_p): Same.
2542         * graphite-poly.c (extend_scattering): Same.
2543         (psct_scattering_dim_for_loop_depth): Same.
2544         (pbb_number_of_iterations): Same.
2545         (pbb_number_of_iterations_at_time): Same.
2546         * graphite-poly.h (new_1st_loop): Same.
2547         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
2548         (oppose_constraint): Same.
2549         (insert_constraint_into_matrix): Same.
2550         (ppl_set_inhomogeneous_gmp): Same.
2551         (ppl_set_coef_gmp): Same.
2552         (ppl_strip_loop): Same.
2553         (ppl_lexico_compare_linear_expressions): Same.
2554         (ppl_max_for_le_pointset): Same.
2555         (ppl_min_for_le_pointset): Same.
2556         (ppl_build_realtion): Same.
2557         * graphite-ppl.h (gmp_cst_to_tree): Same.
2558         (ppl_set_inhomogeneous): Same.
2559         (ppl_set_inhomogeneous_tree): Same.
2560         (ppl_set_coef): Same.
2561         (ppl_set_coef_tree): Same.
2562         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2563         (build_scop_scattering): Same.
2564         (add_value_to_dim): Same.
2565         (scan_tree_for_params_right_scev): Same.
2566         (scan_tree_for_params_int): Same.
2567         (scan_tree_for_params): Same.
2568         (find_params_in_bb): Same.
2569         (find_scop_parameters): Same.
2570         (add_upper_bounds_from_estimated_nit): Same.
2571         (build_loop_iteration_domains): Same.
2572         (create_linear_expr_from_tree): Same.
2573         (add_condition_to_domain): Same.
2574         (pdr_add_memory_accesses): Same.
2575
2576 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
2577             Jason Merrill  <jason@redhat.com>
2578
2579         * c-common.c (c_common_reswords): Add nullptr.
2580         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
2581         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
2582         (gen_type_die_with_usage): Likewise.
2583         * dbxout.c (dbxout_type): Likewise.
2584         * sdbout.c (plain_type_1): Likewise.
2585
2586 2010-05-06  Jason Merrill  <jason@redhat.com>
2587
2588         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
2589         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
2590         ret appropriately.
2591         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
2592
2593         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
2594         stripping WITH_SIZE_EXPR.
2595         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
2596         change.
2597
2598 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2599
2600         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
2601         list of obsolete configurations.
2602         Disabled check for obsolete configurations.
2603         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
2604         Removed support for previous versions.
2605         * config/mips/iris.h: Removed.
2606         * config/mips/iris5.h: Removed.
2607         * config/mips/iris6.h: Merged old iris.h contents.
2608         (TARGET_IRIX): Removed.
2609         (DRIVER_SELF_SPECS): Removed mabi=32.
2610         (IDENT_ASM_OP): Removed undef.
2611         (STARTFILE_SPEC): Removed mabi=32.
2612         (ENDFILE_SPEC): Likewise.
2613         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
2614         (MACHINE_TYPE): Update for IRIX 6.5.
2615         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
2616         TARGET_IRIX by TARGET_IRIX6.
2617         (mips_file_start): Likewise.
2618         (mips_output_external): Remove IRIX 5/6 O32 support.
2619         (mips_output_function_prologue): Likewise.
2620         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
2621         TARGET_IRIX6.
2622         (TARGET_CPU_CPP_BUILTINS): Likewise.
2623         (TARGET_IRIX): Removed.
2624         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
2625         (MULTILIB_DIRNAMES): Removed 32.
2626         (MULTILIB_OSDIRNAMES): Removed ../lib.
2627         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
2628         (Specific, mips-sgi-irix5): Document removal.
2629         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
2630         Remove references to older IRIX 6 releases and the O32 ABI.
2631
2632 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
2633
2634         PR bootstrap/43994
2635         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
2636         instead of DF_REF_REAL_REG.
2637
2638 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
2639
2640         PR target/43888
2641         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
2642         handling to still return true for x64 targets.
2643
2644 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
2645
2646         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
2647
2648 2010-05-06  Jan Hubicka  <jh@suse.cz>
2649
2650         PR tree-optimization/43791
2651         * ipa-inline.c (update_caller_keys): Remove bogus
2652         disregard_inline_limits check.
2653
2654 2010-05-06  Michael Matz  <matz@suse.de>
2655
2656         PR tree-optimization/43984
2657         * tree-ssa-pre.c (inserted_phi_names): Remove.
2658         (inserted_exprs): Change to bitmap.
2659         (create_expression_by_pieces): Set bits, don't append to vector.
2660         (insert_into_preds_of_block): Don't handle inserted_phi_names.
2661         (eliminate): Don't look at inserted_phi_names, remove deleted
2662         insns from inserted_exprs.
2663         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
2664         (init_pre, fini_pre): Allocate and free bitmaps.
2665         (execute_pre): Insert insns on edges before elimination.
2666
2667 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
2668
2669         * tree.c (initializer_zerop): Handle STRING_CST.
2670
2671 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2672
2673         PR 40989
2674         * doc/invoke.texi (Wimplicit): Document as C only.
2675         * opts.c (common_handle_option): Add argument kind.
2676         (handle_option): Rename as read_cmdline_option. Factor out code to...
2677         (handle_option): ... here. New.
2678         (handle_options): Rename as read_cmdline_options.
2679         (decode_options): Update call.
2680         (set_option): Use option index instead of option pointer. Classify
2681         diagnostics correctly.
2682         (enable_warning_as_error): Call handle_option.
2683         * opts.h (set_option): Update declaration.
2684         (handle_option): Declare.
2685         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
2686         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
2687         * c-opts.c (set_Wimplicit): Delete.
2688         (c_family_lang_mask): New static constant.
2689         (c_common_handle_option): Add argument kind. Use handle_option
2690         instead of set_Wimplicit.
2691         (c_common_post_options): warn_implicit and warn_implicit_int
2692         are disabled by default.
2693         * c-common.c (warn_implicit): Do not define here.
2694         * c-common.h (warn_implicit): Do not declare here.
2695         (c_common_handle_option): Update declaration.
2696         * lto-opts.c (lto_reissue_options): Update call to set_option.
2697
2698 2010-05-06  Richard Guenther  <rguenther@suse.de>
2699
2700         PR tree-optimization/43571
2701         * domwalk.c (walk_dominator_tree): Walk the dominator
2702         sons in more optimal order.
2703
2704 2010-05-06  Richard Guenther  <rguenther@suse.de>
2705
2706         PR tree-optimization/43934
2707         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
2708         (stmt_cost): Likewise.
2709         (extract_true_false_args_from_phi): New helper.
2710         (determine_max_movement): For PHI nodes verify we can hoist them
2711         and compute their cost.
2712         (determine_invariantness_stmt): Handle PHI nodes.
2713         (move_computations_stmt): Likewise.  Hoist PHI nodes in
2714         if-converted form using COND_EXPRs.
2715         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
2716         (tree_ssa_lim): Likewise.
2717         * tree-flow.h (tree_ssa_lim): Adjust prototype.
2718         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
2719
2720 2010-05-06  Richard Guenther  <rguenther@suse.de>
2721
2722         PR tree-optimization/43987
2723         * tree-ssa-structalias.c (could_have_pointers): For possibly
2724         address-taken variables force pointers to be recorded.
2725         (create_variable_info_for_1): Likewise.
2726         (push_fields_onto_fieldstack): Pass in wheter all fields
2727         must have pointers.
2728         (find_func_aliases): Query types instead of vars whether
2729         they contain pointers where appropriate.
2730
2731 2010-05-06  Jan Hubicka  <jh@suse.cz>
2732
2733         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
2734         (record_reference, mark_address, mark_load, mark_store): Record
2735         references.
2736         (record_references_in_initializer): Update call of record_references.
2737         (rebuild_cgraph_edges): Remove all references before rebuiding.
2738         * cgraph.c (cgraph_create_node): Clear ref list.
2739         (cgraph_remove_node): Remove references.
2740         (dump_cgraph_node): Dump references.
2741         (cgraph_clone_node): Clone references.
2742         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
2743         (struct cgraph_node, varpool_node): Add ref_lst.
2744         * ipa-ref.c: New file.
2745         * ipa-ref.h: New file.
2746         * ipa-ref-inline.h: New file.
2747         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
2748         (referenced_from_other_partition_p): New function.
2749         (lto_output_varpool_node): Take set arugment; call
2750         referenced_from_other_partition.
2751         (lto_output_ref): New.
2752         (add_references): New.
2753         (output_refs): New.
2754         (output_cgraph): Compute boundary based on references; output refs.
2755         (output_varpool): Accept cgraph_node_set argument.
2756         (input_ref): New.
2757         (input_refs): New.
2758         (input_cgraph): Call input_refs.
2759         * lto-section-in.c (lto_section_name): Add refs.
2760         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
2761         (ipa-ref.o): New file.
2762         * varpool.c (varpool_node): Clear ipa ref list.
2763         (varpool_remove_node): Remove references.
2764         (dump_varpool_node): Dump references.
2765         (varpool_assemble_decl): Only compile finalized ones.
2766         (varpool_extra_name_alias): Initialize ref list.
2767         * lto-streamer.c (lto-get_section_name): Add .refs section.
2768         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
2769         (referenced_from_other_partition_p): Declared.
2770
2771 2010-05-06  Ira Rosen  <irar@il.ibm.com>
2772
2773         PR tree-optimization/43901
2774         * tree-vect-stmts.c (vectorizable_call): Assert that vector
2775         type is not NULL if it's transformation phase, and return
2776         FALSE if it's analysis.
2777         (vectorizable_conversion, vectorizable_operation,
2778         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
2779
2780 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
2781
2782         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
2783         Delete.
2784         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
2785         New define.
2786         * config/mips/mips-protos.h
2787         (mips_small_register_classes_for_mode_p): Delete prototype.
2788
2789 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
2790
2791         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
2792         * config/arm/arm.c (multiple_operation_profitable_p,
2793         compute_offset_order): New static functions.
2794         (load_multiple_sequence, store_multiple_sequence): Use them.
2795         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
2796         memory offsets, not register numbers.
2797         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
2798
2799 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
2800
2801         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
2802         (get_pending_sizes, put_pending_size, put_pending_sizes):
2803         Update the uses of pending_sizes.
2804         * c-decl.c (store_parm_decls): Likewise.
2805         * c-tree.h (struct c_arg_info): Likewise.
2806         * tree.h: Update the prototype for get_pending_sizes and
2807         put_pending_sizes.
2808
2809 2010-05-05  Jason Merrill  <jason@redhat.com>
2810
2811         PR debug/43370
2812         * c-common.c (handle_aligned_attribute): Respect
2813         ATTR_FLAG_TYPE_IN_PLACE.
2814
2815         PR testsuite/43758
2816         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
2817         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2818         (TARGET_INITIALIZER): Use it.
2819         * c-common.c (attribute_takes_identifier_p): Call it.
2820         * c-common.h: Update prototype.
2821         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
2822         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2823
2824 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
2825
2826         PR debug/43950
2827         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
2828         DW_ID_down_case for Fortran compilation units.
2829
2830 2010-05-05  Jan Hubicka  <jh@suse.cz>
2831
2832         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
2833         handle aliases.
2834
2835 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
2836
2837         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
2838         a variable-sized RESULT_DECL.
2839
2840 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
2841
2842         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
2843
2844 2010-05-05  Jason Merrill  <jason@redhat.com>
2845
2846         PR c++/43787
2847         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
2848         returns GS_OK.
2849         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
2850
2851 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
2852             Jakub Jelinek  <jakub@redhat.com>
2853
2854         PR debug/43478
2855         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
2856         (dead_debug_init, dead_debug_finish): New functions.
2857         (dead_debug_add, dead_debug_insert_before): Likewise.
2858         (df_note_bb_compute): Initialize a dead_debug object, add dead
2859         debug uses to it, insert debug bind insns before death insns,
2860         reset debug insns that refer to pending uses at the end.
2861         * rtl.h (make_debug_expr_from_rtl): New prototype.
2862         * varasm.c (make_debug_expr_from_rtl): New function.
2863
2864 2010-05-05  Jan Hubicka  <jh@suse.cz>
2865
2866         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
2867         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
2868         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
2869         lto_varpool_encoder_deref, lto_varpool_encoder_size,
2870         lto_varpool_encoder_encode_initializer_p,
2871         lto_set_varpool_encoder_encode_initializer): New functions.
2872         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
2873         call output_varpool.
2874         (input_varpool_node): Do not always set analyzed.
2875         (input_cgraph_1): Return vector of cgraph nodes.
2876         (input_varpool_1): Return vector of varpools.
2877         (input_cgraph): Free the vectors.
2878         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
2879         output only initializers needed.
2880         (lto_output): Only call output_cgraph.
2881         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
2882         * lto-section-out.c (lto_new_out_decl_state): Initialize
2883         state->varpool_node_encoder.
2884         * lto-streamer.h (lto_varpool_encoder_d): New.
2885         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
2886         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
2887         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
2888         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
2889         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
2890         Declare.
2891         (output_varpool, input_varpool): Remove declarations.
2892
2893 2010-05-05  Jan Hubicka  <jh@suse.cz>
2894
2895         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
2896         with body can prevail.
2897
2898 2010-05-05  Jan Hubicka  <jh@suse.cz>
2899
2900         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
2901         size.
2902
2903 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2904
2905         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
2906
2907         * gengtype.h (erro_at_line): Constify pos argument.
2908
2909         * gengtype.c: Include hashtab.h.
2910         (enum gc_used): Document GC_MAYBE_POINTED_TO.
2911         (error_at_line): Constify pos argument.
2912         (do_typedef): Initialize p->opt field.
2913         (get_file_gtfilename): Fix comment typo.
2914         (struct walk_type_data): Constify line field.
2915         (get_output_file_for_structure): New function.
2916         (write_local_func_for_structure): Constify orig_s argument.
2917         Use get_output_file_for_structure.
2918         (write_func_for_structure): Use get_output_file_for_structure.
2919         (INDENT): New define.
2920         (dump_pair, dump_type, dump_type_list, dump_typekind)
2921         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
2922         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
2923         functions.
2924         (seen_types): New variable.
2925         (main): New variable do_dump.  Process "-d" command line option.
2926         Call dump_everything if dump requested.
2927
2928 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
2929
2930         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
2931         in a temporary instead of invoking the macro multiple times.
2932         (track_expr_p): Likewise.
2933
2934 2010-05-04  Neil Vachharajani <nvachhar@google.com>
2935
2936         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
2937         per new semantics.
2938         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
2939         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
2940         conditions for printing notes.
2941         * common.opt (-Wcoverage-mismatch): Allow negative, default to
2942         true, update documentation.
2943         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
2944
2945 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
2946
2947         PR c/43981
2948         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
2949         on dimen.
2950
2951 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2952
2953         PR target/43799
2954         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
2955         (*sse_prologue_save_insn1): Likewise.
2956         (SSE prologue save splitter): Likewise.
2957
2958 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2959
2960         * tree.c (free_lang_data_in_one_sizepos): New inline function.
2961         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
2962         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
2963         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
2964         all decls.  Call it on DECL_FIELD_OFFSET of fields.
2965         (find_decls_types_r): Follow DECL_VALUE_EXPR.
2966         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
2967
2968 2010-05-04  Martin Jambor  <mjambor@suse.cz>
2969
2970         * tree-sra.c (build_access_from_expr_1): The first parameter type
2971         changed to simple tree.
2972         (build_access_from_expr): Likewise, gsi parameter was eliminated.
2973         (scan_assign_result): Renamed to assignment_mod_result, enum elements
2974         renamed as well.
2975         (build_accesses_from_assign): Removed all parameters except for a
2976         simple gimple statement.  Now returns a simple bool.
2977         (scan_function): All non-analysis parts moved to separate functions
2978         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
2979         parameters and updated both callers.
2980         (sra_modify_expr): Removed parameter data.
2981         (sra_modify_function_body): New function.
2982         (perform_intra_sra): Call sra_modify_function_body to modify the
2983         function body.
2984         (replace_removed_params_ssa_names): Parameter data changed into
2985         adjustments vector.
2986         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
2987         changed the parameter dont_convert to convert with the opposite
2988         meaning.
2989         (sra_ipa_modify_assign): Parameter data changed into adjustments
2990         vector, return value changed to bool.
2991         (ipa_sra_modify_function_body): New function.
2992         (sra_ipa_reset_debug_stmts): Updated a comment.
2993         (modify_function): Use ipa_sra_modify_function_body to modify function
2994         body.
2995
2996 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2997
2998         PR middle-end/43671
2999         * alias.c (true_dependence): Handle the same VALUE in x and mem.
3000         (canon_true_dependence): Likewise.
3001         (write_dependence_p): Likewise.
3002
3003 2010-05-04  Jan Hubicka  <jh@suse.cz>
3004
3005         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
3006         * cgraphbuild.c: Include ipa-utils.h
3007         (record_reference_ctx): New struct.
3008         (record_reference): Simplify to work on initializers; not statements.
3009         (mark_address, mark_load, mark_store): New.
3010         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
3011         walk PHI nodes too.
3012         (record_references_in_initializer): Update use of record_reference.
3013         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
3014         walk PHI nodes too.
3015
3016 2010-05-04  Jan Hubicka  <jh@suse.cz>
3017
3018         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
3019         node will be removed anyway.
3020         (lto_varpool_replace_node): Allow also unanalyzed nodes;
3021         relink aliases of node into prevailing node.
3022         * varpool.c (varpool_remove_node): Remove aliases properly;
3023         when removing node, remove all its aliases too; remove DECL_INITIAL
3024         of removed node; ggc_free the varpool node.
3025
3026 2010-05-04  Richard Guenther  <rguenther@suse.de>
3027
3028         PR tree-optimization/43879
3029         * tree-ssa-structalias.c (alias_get_name): Use
3030         DECL_ASSEMBLER_NAME if available.
3031         (create_function_info_for): Return the varinfo node.
3032         (ipa_pta_execute): Associate same-body aliases and extra names
3033         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
3034
3035 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
3036
3037         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
3038
3039 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
3040
3041         PR bootstrap/43964
3042         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
3043         only if HONOR_REG_ALLOC_ORDER is not defined.
3044
3045 2010-05-04  Richard Guenther  <rguenther@suse.de>
3046
3047         PR tree-optimization/43949
3048         * tree-vrp.c (extract_range_from_binary_expr): Only handle
3049         TRUNC_MOD_EXPR.
3050
3051 2010-04-26  Jason Merrill  <jason@redhat.com>
3052
3053         * c.opt (-fstrict-enums): New.
3054         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
3055
3056 2010-05-03  David Ung <davidu@mips.com>
3057             James E. Wilson  <wilson@codesourcery.com>
3058
3059         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
3060         emit the trap instruction before the divide for TUNE_74K.
3061
3062 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
3063
3064         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
3065         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
3066         based on the above, for new target hook.
3067
3068         * hooks.c (hook_bool_mode_true): New generic hook.
3069         * hooks.h (hook_bool_mode_true): Add prototype.
3070
3071         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
3072         target hook.
3073         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
3074         target hook, set to hook_bool_mode_false.
3075         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
3076         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
3077         with targetm.small_register_classes_for_mode_p.
3078         (find_reusable_reload): Likewise.
3079         (combine_reloads): Likewise.
3080         * reload1.c (reload_as_needed): Likewise.
3081         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
3082         * ifcvt.c (noce_process_if_block, check_cond_move_block,
3083         dead_or_predicable): Likewise.
3084         * regmove.c (optimize_reg_copy_1): Likewise.
3085         * calls.c (prepare_call_address): Likewise.
3086         (precompute_register_parameters): Likewise.
3087
3088         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
3089         hook definition.
3090         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
3091         implementation of the hook that considers all register classes
3092         small except for SH64.
3093         (sh_override_options): Use the new hook.
3094         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
3095         Add prototype.
3096
3097         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
3098         hook definition.
3099         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
3100         implementation of the hook that considers all register classes
3101         small for THUMB1.
3102         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
3103         Add prototype.
3104
3105         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
3106         hook definition.
3107         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
3108         implementation of the hook that considers all register classes
3109         small for MIPS16.
3110         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
3111         Add prototype.
3112
3113         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
3114         hook definition.
3115         * config/m32c/m32c.h: Likewise.
3116         * config/pdp11/pdp11.h: Likewise.
3117         * config/avr/avr.h: Likewise.
3118         * config/xtensa/xtensa.h: Likewise.
3119         * config/m68hc11/m68hc11.h: Likewise.
3120         * config/mn10300/mn10300.h: Likewise.
3121         * config/mcore/mcore.h: Likewise.
3122         * config/h8300/h8300.h: Likewise.
3123         * config/bfin/bfin.h: Likewise.
3124
3125         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
3126         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
3127
3128 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
3129
3130         * double-int.h (tree_to_double_int): Remove macro.
3131         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
3132         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
3133         (tree_to_double_int): New function.
3134         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
3135         Move ...
3136         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
3137
3138 2010-05-03  Richard Guenther  <rguenther@suse.de>
3139
3140         PR tree-optimization/43971
3141         * tree-ssa-structalias.c (get_constraint_for_1): Fix
3142         constraints in the !flag_delete_null_pointer_checks case.
3143
3144 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
3145
3146         PR debug/43972
3147         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
3148         result mode matches original rtl mode.
3149
3150 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
3151
3152         PR target/43888
3153         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
3154
3155 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3156
3157         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
3158         when processing flag options.
3159
3160 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3161
3162         * gcov-iov.c (main): Change format string placeholder
3163         from %#08x to 0x%08x.
3164         * genchecksum.c (dosum): Change format string placeholder
3165         from %#02x to 0x%02x.
3166
3167 2010-05-02  Richard Guenther  <rguenther@suse.de>
3168
3169         PR tree-optimization/43879
3170         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
3171
3172 2010-05-02  Bruno Haible  <bruno@clisp.org>
3173
3174         * doc/extend.texi (Function Attributes): Fix a typo.
3175
3176 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3177
3178         Revert:
3179         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
3180         placeholder from 0x%x to %#x.
3181         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
3182         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3183         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3184         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3185         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3186         * config/i386/i386.c (ix86_target_string): Ditto.
3187         * config/i386/i386.c (output_pic_addr_const): Ditto.
3188         (print_operand): Ditto.
3189
3190 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3191
3192         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
3193         placeholder from 0x%x to %#x.
3194         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
3195         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
3196         (ASM_OUTPUT_DEBUG_DATA): Ditto.
3197         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
3198         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
3199         * optc-gen.awk: Ditto.
3200         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
3201         (HOST_WIDE_INT_PRINT_HEX): Ditto.
3202         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
3203         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
3204
3205 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
3206
3207         * target.h (struct calls): Add function_value_regno_p field.
3208         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
3209         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
3210         * targhooks.c (default_function_value_regno_p): New function.
3211         * targhooks.h (default_function_value_regno_p): Declare function.
3212         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
3213         * builtins.c. (apply_result_size): (Ditto.).
3214         * combine.c. (likely_spilled_retval_p): (Ditto.).
3215         * mode-switching.c. Include 'target.h'.
3216         (create_pre_exit): Use function_value_regno_p hook.
3217         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
3218         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
3219         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
3220
3221         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
3222         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
3223         (ix86_function_value_regno_p): Declare as static, change argument
3224         type to const unsigned int.
3225         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
3226
3227 2010-05-01  Richard Guenther  <rguenther@suse.de>
3228
3229         PR tree-optimization/43949
3230         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
3231         types.
3232         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
3233
3234 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
3235
3236         * rtl.h (CONST_DOUBLE_P): Define.
3237         (rtx_to_double_int): Declare.
3238         * emit-rtl.c (rtx_to_double_int): New function.
3239         * dwarf2out.c (insert_double): New function.
3240         (loc_descriptor, add_const_value_attribute): Clean up, use
3241         rtx_to_double_int and insert_double functions.
3242
3243 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
3244
3245         * doc/extend.texi (Inline): Add missing return keyword to examples.
3246         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
3247         "command-line".
3248
3249 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3250
3251         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
3252         the variable part of the offset as well.  Use highest_pow2_factor for
3253         all alignment checks.
3254
3255 2010-04-30  Richard Guenther  <rguenther@suse.de>
3256
3257         PR tree-optimization/43879
3258         * tree-ssa-structalias.c (type_could_have_pointers): Functions
3259         can have pointers.
3260
3261 2010-04-30  Jan Hubicka  <jh@suse.cz>
3262
3263         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
3264         varpool.
3265         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
3266
3267 2010-04-30  Jan Hubicka  <jh@suse.cz>
3268
3269         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
3270         New.
3271         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
3272         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
3273         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
3274         cgraph_node_set_needs_ltrans_p): Remove.
3275
3276 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3277
3278         * sdbout.c: Include vec.h, do not include varray.h.
3279         (deferred_global_decls, sdbout_global_decl,
3280         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
3281         * toplev.c: Do not include varray.h.
3282         (dump_memory_report): Do not dump VARRAY statistics.
3283         * gengtype.c (open_base_file): Ignore varray.h.
3284         * Makefile.in: Update for abovementioned changes.
3285         Remove all traces of varray.c and varray.h.
3286         * varray.c: Remove file.
3287         * varray.h: Remove file.
3288
3289 2010-04-30  Jan Hubicka  <jh@suse.cz>
3290
3291         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
3292         references.
3293
3294 2010-04-30  Jan Hubicka  <jh@suse.cz>
3295
3296         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
3297         needed.
3298
3299 2010-04-30  Richard Guenther  <rguenther@suse.de>
3300
3301         * tree-ssa-structalias.c (get_constraint_for_1): Generate
3302         constraints for CONSTRUCTOR.
3303
3304 2010-04-30  Richard Guenther  <rguenther@suse.de>
3305
3306         PR lto/43946
3307         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
3308         first after all lowering passes.
3309
3310 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3311
3312         * toplev.c: Include varray.h for statistics dumping.
3313         * tree.h: Do not declare varray_head_tag.
3314         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
3315         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
3316         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
3317         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
3318         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
3319         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
3320         c-common.c, c-common.h, reg-stack.c, basic-block.h,
3321         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
3322         include varray.h.
3323         * Makefile.in: Update for abovementioned changes.
3324
3325 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
3326
3327         PR debug/43942
3328         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
3329
3330 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3331
3332         * config/picochip/picochip.c (picochip_legitimize_address): Define.
3333         Use this function to do machine-specific conversion.
3334         (picochip_legitimize_reload_address): Likewise.
3335         (picochip_legitimate_address_p): Check valid base register only if
3336         strict.
3337         (picochip_check_conditional_copy): Check for modw only if opnd is
3338         register.
3339         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
3340         to call the function in c.
3341         * config/picochip/picochip-protos.h
3342         (picochip_legitimize_reload_address): Define.
3343         * config/picochip/picochip.md (supported_compare1): Define.
3344
3345 2010-04-30  Jan Hubicka  <jh@suse.cz>
3346
3347         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
3348         (cgraph_global_info): Remove inlined.
3349         (LTO_cgraph_tag_names): Remove.
3350         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
3351         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
3352         simplify cgraph tags and document.
3353         (lto_output_node): Use only LTO_cgraph_unavail_node and
3354         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
3355         for_functions_valid, global info, process and output flags.
3356         (input_overwrite_node): Initialize estimated stack size and
3357         estimated growth.  Do not read flags we no longer store.
3358         (input_node): Likewise do not read info no longer stored.
3359         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
3360         flag.
3361
3362 2010-04-30  Richard Guenther  <rguenther@suse.de>
3363
3364         PR tree-optimization/43879
3365         * tree-ssa-structalias.c (get_constraint_for_1): Properly
3366         handle non-zero initializers.
3367
3368 2010-04-30  Richard Guenther  <rguenther@suse.de>
3369
3370         * builtins.c (fold_builtin_1): Delete free (0).
3371
3372 2010-04-29  Jan Hubicka  <jh@suse.cz>
3373
3374         * gengtype.c (open_base_files): Add lto-streamer.h
3375         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
3376         (pass_ipa_cp): GGC collect.
3377         * toplev. (compile_file): Do not output symbols.
3378         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
3379         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
3380         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
3381         * lto-section-in.c: Include ggc.h
3382         (lto_new_in_decl_state): Alloc in GGC.
3383         (lto_delete_in_decl_state): Likewise.
3384         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
3385         Collect.
3386
3387 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
3388
3389         PR target/42895
3390         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
3391         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
3392         (HONOR_REG_ALLOC_ORDER): Describe new macro.
3393         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
3394         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
3395         account only if HONOR_REG_ALLOC_ORDER is not defined.
3396         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
3397         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
3398
3399 2010-04-29  Jon Grant  <04@jguk.org>
3400
3401         * collect2.c (vflag): Change type from int to bool.
3402         (debug): Likewise.
3403         (helpflag): New global bool.
3404         (main): Set vflag and debug with boolean, not integer truth values.
3405         Accept new "--help" option and output usage text if found.
3406         * collect2.h (vflag): Update prototype.
3407         (debug): Likewise.
3408
3409 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
3410
3411         PR bootstrap/43936
3412         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
3413
3414 2010-04-29  Richard Guenther  <rguenther@suse.de>
3415
3416         PR bootstrap/43935
3417         * plugin.h (invoke_plugin_callbacks): Annotate arguments
3418         with ATTRIBUTE_UNUSED.
3419
3420 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
3421
3422         PR target/43921
3423         * config/i386/i386.c (get_some_local_dynamic_name): Replace
3424         INSN_P with NONDEBUG_INSN_P.
3425         (distance_non_agu_define): Likewise.
3426         (distance_agu_use): Likewise.
3427
3428 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
3429
3430         From Dominique d'Humieres <dominiq@lps.ens.fr>
3431         PR bootstrap/43858
3432         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
3433         test_set.
3434
3435 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
3436
3437         * plugin.h (invoke_plugin_callbacks): New inline function.
3438         * plugin.c (flag_plugin_added): New global flag.
3439         (add_new_plugin): Initialize above flag.
3440         (invoke_plugin_callbacks): Rename to ...
3441         (invoke_plugin_callbacks_full): ... this.
3442
3443 2010-04-28  Jan Hubicka  <jh@suse.cz>
3444
3445         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
3446         (lto_varpool_replace_node): New.
3447         (lto_symtab_resolve_symbols): Resolve varpool nodes.
3448         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
3449         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
3450         * cgraph.h (varpool_node_ptr): New type.
3451         (varpool_node_ptr): New vector.
3452         (varpool_node_set_def): New structure.
3453         (varpool_node_set): New type.
3454         (varpool_node_set): New vector.
3455         (varpool_node_set_element_def): New structure.
3456         (varpool_node_set_element, const_varpool_node_set_element): New types.
3457         (varpool_node_set_iterator): New type.
3458         (varpool_node): Add prev pointers, add used_from_other_partition,
3459         in_other_partition.
3460         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
3461         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
3462         varpool_get_node, varpool_remove_node): Declare.
3463         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
3464         varpool_node_set_size): New inlines.
3465         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
3466         * tree-pass.h (varpool_node_set_def): Forward declare.
3467         (ipa_opt_pass_d): Summary writting takes vnode sets too.
3468         (ipa_write_optimization_summaries): Update prototype.
3469         * ipa-cp.c (ipcp_write_summary): Update.
3470         * ipa-reference.c (ipa_reference_write_summary): Update.
3471         * lto-cgraph.c (lto_output_varpool_node): New static function.
3472         (output_varpool): New function.
3473         (input_varpool_node): New static function.
3474         (input_varpool_1): New function.
3475         (input_cgraph): Input varpool.
3476         * ipa-pure-const.c (pure_const_write_summary): Update.
3477         * lto-streamer-out.c (lto_output): Update, output varpool too.
3478         (write_global_stream): Kill WPA hack.
3479         (produce_asm_for_decls): Update.
3480         (output_alias_pair_p): Handle variables.
3481         (output_unreferenced_globals): Output only needed partition of varpool.
3482         * ipa-inline.c (inline_write_summary): Update.
3483         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
3484         cgraph.
3485         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
3486         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
3487         varpool_node_set_new, varpool_node_set_add,
3488         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
3489         debug_varpool_node_set): New functions.
3490         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
3491         (execute_one_pass): Process new decls too.
3492         (ipa_write_summaries_2): Pass around vsets.
3493         (ipa_write_summaries_1): Likewise.
3494         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
3495         to add.
3496         (ipa_write_optimization_summaries_1): Pass around vsets.
3497         (ipa_write_optimization_summaries): Likewise.
3498         * varpool.c (varpool_get_node): New.
3499         (varpool_node): Update doubly linked lists.
3500         (varpool_remove_node): New.
3501         (dump_varpool_node): More dumping.
3502         (varpool_enqueue_needed_node): Update doubly linked lists.
3503         (decide_is_variable_needed): Kill ltrans hack.
3504         (varpool_finalize_decl): Kill lto hack.
3505         (varpool_assemble_decl): Skip decls in other partitions.
3506         (varpool_assemble_pending_decls): Update doubly linkes lists.
3507         (varpool_empty_needed_queue): Likewise.
3508         (varpool_extra_name_alias): Likewise.
3509         * lto-streamer.c (lto_get_section_name): Add vars section.
3510         * lto-streamer.h (lto_section_type): Update.
3511         (output_varpool, input_varpool): Declare.
3512
3513 2010-04-28  Mike Stump  <mikestump@comcast.net>
3514
3515         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
3516
3517 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3518
3519         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
3520         record or union type with RECORD_OR_UNION_TYPE_P predicate.
3521         (lto_input_ts_type_tree_pointers): Likewise.
3522         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
3523         (lto_output_ts_type_tree_pointers): Likewise.
3524
3525 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3526
3527         Uniquization of constants at the Tree level
3528         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
3529         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
3530         bit to the end.
3531         (tree_output_constant_def): Declare.
3532         * gimplify.c (gimplify_init_constructor): When using block copy, first
3533         uniquize the constant constructor on the RHS.
3534         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
3535         DECL_IN_CONSTANT_POOL flag.
3536         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
3537         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
3538         constant pool.
3539         (assemble_variable): Deal with symbols belonging to the tree constant
3540         pool.
3541         (get_constant_section): Add ALIGN parameter and simplify.
3542         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
3543         (assemble_constant_contents): Use the expression of the VAR_DECL.
3544         (output_constant_def_contents): Use the alignment of the VAR_DECL.
3545         (tree_output_constant_def): New global function.
3546         (mark_constant): Use the expression of the VAR_DECL.
3547         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
3548         its expression.
3549         (output_object_block): Likewise and assemble the expression.
3550
3551 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3552
3553         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
3554         hash_tree, eq_tree): New tree hash table.
3555         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
3556         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
3557         lto_orig_address_remove): Reimplement.
3558
3559 2010-04-28  Xinliang David Li  <davidxl@google.com>
3560
3561         PR c/42643
3562         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
3563         (compute_uninit_opnds_pos): New function.
3564         (is_non_loop_exit_postdominating): New function.
3565         (compute_control_dep_chain): New function.
3566         (find_pdom): New function.
3567         (convert_control_dep_chain_into_preds): New function.
3568         (find_predicates): New function.
3569         (find_control_equiv_block): New function.
3570         (collect_phi_def_edges): New function.
3571         (find_def_preds): New function.
3572         (find_dom): New function.
3573         (dump_predicates): New function.
3574         (get_cmp_code): New function.
3575         (is_value_included_in): New function.
3576         (find_matching_predicate_in_rest_chains): New function.
3577         (use_pred_not_overlap_with_undef_path_pred): New function.
3578         (is_use_properly_guarded): New function.
3579         (normalize_cond_1): New function.
3580         (is_and_or_or): New function.
3581         (normalize_cond): New function.
3582         (is_gcond_subset_of): New function.
3583         (is_subset_of_any): New function.
3584         (is_or_set_subset_of): New function.
3585         (is_and_set_subset_of): New function.
3586         (is_norm_cond_subset_of): New function.
3587         (is_pred_expr_subset_of): New function.
3588         (is_pred_chain_subset_of): New function.
3589         (is_included_in): New function.
3590         (is_superset_of): New function.
3591         (find_uninit_use): New function.
3592         (warn_uninitialized_phi): New function.
3593         (compute_possibly_undefined_names): New function.
3594         (ssa_undefined_value_p): New function.
3595         (execute_late_warn_uninitialized): New function.
3596         * tree-ssa.c (ssa_undefined_value_p): Removed.
3597         (warn_uninit): Changed to extern.
3598         (warn_uninitialized_phi): Removed.
3599         (warn_uninitialized_vars): Changed to extern.
3600         (execute_late_warn_uninitialized): Removed
3601         * tree-flow.h: Add new prototypes.
3602         * timevar.def: Add new time variable.
3603         * Makefile.in: Add new build file.
3604
3605 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
3606
3607         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
3608         type if available.
3609
3610 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3611
3612         PR target/22224
3613         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
3614
3615 2010-04-28  Martin Jambor  <mjambor@suse.cz>
3616
3617         * cgraph.h (struct cgraph_node): New field indirect_calls.
3618         (struct cgraph_indirect_call_info): New type.
3619         (struct cgraph_edge): Removed field indirect_call. New fields
3620         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
3621         (cgraph_create_indirect_edge): Declare.
3622         (cgraph_make_edge_direct): Likewise.
3623         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
3624         * ipa-prop.h (struct ipa_param_call_note): Removed.
3625         (struct ipa_node_params): Removed field param_calls.
3626         (ipa_create_all_structures_for_iinln): Declare.
3627         * cgraph.c: Described indirect edges and uids in initial comment.
3628         (cgraph_add_edge_to_call_site_hash): New function.
3629         (cgraph_edge): Search also among the indirect edges, use
3630         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
3631         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
3632         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
3633         site hash.
3634         (initialize_inline_failed): Assign a reason to indirect edges.
3635         (cgraph_create_edge_1): New function.
3636         (cgraph_create_edge): Moved some functionality to
3637         cgraph_create_edge_1.
3638         (cgraph_create_indirect_edge): New function.
3639         (cgraph_edge_remove_callee): Add an assert checking for
3640         non-indirectness.
3641         (cgraph_edge_remove_caller): Special-case indirect edges.
3642         (cgraph_remove_edge): Likewise.
3643         (cgraph_set_edge_callee): New function.
3644         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
3645         (cgraph_make_edge_direct): New function.
3646         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
3647         the declaration of the call statement matches.
3648         (cgraph_node_remove_callees): Special-case indirect edges.
3649         (cgraph_clone_edge): Likewise.
3650         (cgraph_clone_node): Clone also the indirect edges.
3651         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
3652         indirect_call, dump count of indirect_calls edges.
3653         * ipa-prop.c (iinlining_processed_edges): New variable.
3654         (ipa_note_param_call): Create indirect edges instead of
3655         creating notes.  New parameter node.
3656         (ipa_analyze_call_uses): New parameter node, pass it on to
3657         ipa_note_param_call.
3658         (ipa_analyze_stmt_uses): Likewise.
3659         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
3660         (print_edge_addition_message): Work on edges rather than on notes.
3661         (update_call_notes_after_inlining): Likewise, renamed to
3662         update_indirect_edges_after_inlining.
3663         (ipa_create_all_structures_for_iinln): New function.
3664         (ipa_free_node_params_substructures): Do not free notes.
3665         (ipa_edge_duplication_hook): Propagate bits within
3666         iinlining_processed_edges bitmap.
3667         (ipa_node_duplication_hook): Do not duplicate notes.
3668         (free_all_ipa_structures_after_ipa_cp): Renamed to
3669         ipa_free_all_structures_after_ipa_cp.
3670         (free_all_ipa_structures_after_iinln): Renamed to
3671         ipa_free_all_structures_after_iinln.
3672         (ipa_write_param_call_note): Removed.
3673         (ipa_read_param_call_note): Removed.
3674         (ipa_write_indirect_edge_info): New function.
3675         (ipa_read_indirect_edge_info): Likewise.
3676         (ipa_write_node_info): Do not stream notes, do stream information
3677         in indirect edges.
3678         (ipa_read_node_info): Likewise.
3679         (lto_ipa_fixup_call_notes): Removed.
3680         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
3681         * ipa-inline.c (pass_ipa_inline): Likewise.
3682         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
3683         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
3684         * tree-inline.c (copy_bb): Removed an unnecessary double check for
3685         is_gimple_call.
3686         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
3687         edges.
3688         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
3689         (output_cgraph): Stream also indirect edges.
3690         (lto_output_edge): Added capability to stream indirect edges.
3691         (input_edge): Likewise.
3692         (input_cgraph_1): Likewise.
3693         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
3694         of indirect edges.
3695
3696 2010-04-28  Richard Guenther  <rguenther@suse.de>
3697
3698         PR tree-optimization/43879
3699         PR tree-optimization/43909
3700         * tree-ssa-structalias.c (struct variable_info): Add
3701         only_restrict_pointers flag.
3702         (new_var_info): Initialize it.  Increment stats.total_vars here.
3703         (create_function_info_for): Do not increment stats.total_vars here.
3704         (get_function_part_constraint): Fix build with C++.
3705         (insert_into_field_list): Remove.
3706         (push_fields_onto_fieldstack): Properly merge fields.
3707         (create_variable_info_for): Split and simplify.
3708         (create_variable_info_for_1): New piece.
3709         (intra_create_variable_infos): Properly make restrict constraints
3710         from parameters.
3711
3712 2010-04-28  Richard Guenther  <rguenther@suse.de>
3713
3714         PR c++/43880
3715         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
3716
3717 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3718             Jan Hubicka <hubicka@ucw.cz>
3719
3720         * doc/invoke.texi (-Wsuggest-attribute=const,
3721         -Wsuggest-attribute=pure): Document.
3722         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
3723         (function_always_visible_to_compiler_p,
3724         suggest_attribute, warn_function_pure, warn_function_const):
3725         New functions.
3726         (check_call): Improve debug info.
3727         (analyze_function): Do not check availability.
3728         (add_new_function): Check availability.
3729         (propagate): Output warnings.
3730         (skip_function_for_local_pure_const): New function.
3731         (local_pure_const): Use it; output warnings.
3732         * common.opt (Wsuggest-attribute=const,
3733         Wsuggest-attribute=pure): New.
3734
3735 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
3736
3737         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
3738         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
3739         or DW_CFA_def_cfa_offset{,_sf}.
3740
3741 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
3742
3743         * tree.h: Fix truncated long macros.
3744
3745 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
3746
3747         * collect2.c (TARGET_64BIT): Redefine to target's default.
3748         * tlink.c: Likewise.
3749         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
3750         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
3751         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
3752         for underscoring __USER_LABEL_PREFIX__.
3753         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
3754         (SUB_LINK_ENTRY32): New.
3755         (SUB_LINK_ENTRY64): New.
3756         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
3757         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
3758         (SUB_LINK_ENTRY64): New.
3759         (SUB_LINK_ENTRY): New.
3760         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
3761         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
3762         x64 target is choosen.
3763         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
3764         * configure: Regenerated.
3765         * configure.ac (leading-mingw64-underscores): Option added.
3766
3767 2010-04-27  Jan Hubicka  <jh@suse.cz>
3768
3769         * doc/invoke.texi (-fipa-profile): Document.
3770         * opts.c (decode_options): Enable ipa-profile at -O1.
3771         * timevar.def (TV_IPA_PROFILE): Define.
3772         * common.opt (fipa-profile): Add.
3773         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
3774         flag for clones.
3775         (cgraph_propagate_frequency): Handle only local ones.
3776         * tree-pass.h (pass_ipa_profile): Declare.
3777         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
3778         (pass_ipa_profile): Use TV_IPA_PROFILE.
3779         * ipa.c (ipa_profile): New function.
3780         (gate_ipa_profile): Likewise.
3781         (pass_ipa_profile): New global variable.
3782         * passes.c (pass_ipa_profile): New.
3783
3784 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
3785
3786         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
3787
3788 2010-04-27  Martin Jambor  <mjambor@suse.cz>
3789
3790         PR middle-end/43812
3791         * ipa.c (dissolve_same_comdat_group_list): New function.
3792         (function_and_variable_visibility): Call
3793         dissolve_same_comdat_group_list when comdat group contains external or
3794         newly local nodes.
3795         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
3796         lists are circular and that they contain only DECL_ONE_ONLY nodes.
3797
3798 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
3799
3800         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
3801         (const_hash_1) <VECTOR_CST>: New case.
3802         (compare_constant) <VECTOR_CST>: Likewise.
3803         <ADDR_EXPR>: Deal with LABEL_REFs.
3804         (copy_constant) <VECTOR_CST>: New case.
3805
3806 2010-04-27  Jan Hubicka  <jh@suse.cz>
3807
3808         * cgraph.c (cgraph_propagate_frequency): New function.
3809         * cgraph.h (cgraph_propagate_frequency): Declare.
3810         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
3811         cgraph_propagate_frequency.
3812
3813 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
3814
3815         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
3816
3817 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
3818
3819         PR target/40657
3820         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
3821         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
3822         here to determine which regs to push and how much stack to reserve.
3823
3824 2010-04-27  Jie Zhang  <jie@codesourcery.com>
3825
3826         * doc/gimple.texi (gimple_statement_with_ops): Remove
3827         addresses_taken field.
3828         (gimple_statement_with_memory_ops): Likewise.
3829
3830 2010-04-27  Jan Hubicka  <jh@suse.cz>
3831
3832         * tree-inline.c (eni_inlining_weights): Remove.
3833         (estimate_num_insns): Special case more builtins.
3834
3835 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
3836
3837         PR c/32207
3838         * c-typeck.c (build_binary_op): Move forward check for comparison
3839         pointer with null pointer constant and adjust the diagnostic message.
3840
3841 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
3842
3843         PR lto/42776
3844         * configure.ac (gcc_cv_as_section_has_align): Set if installed
3845         binutils supports extended .section directive needed by LTO, or
3846         warn if older binutils found.
3847         (LTO_BINARY_READER): New AC_SUBST'd variable.
3848         (LTO_USE_LIBELF): Likewise.
3849         * gcc/config.gcc (lto_binary_reader): New target-specific configure
3850         variable.
3851         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
3852         (LTO_USE_LIBELF): Likewise.
3853         * configure: Regenerate.
3854
3855         * collect2.c (is_elf): Rename from this ...
3856         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
3857          object files in addition to ELF-formatted ones.
3858         (scan_prog_file): Caller updated.  Also allow for LTO info marker
3859         symbol to be prefixed or not by an extra underscore.
3860
3861         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
3862         * config/i386/winnt.c: Also #include lto-streamer.h
3863         (i386_pe_asm_named_section): Specify 1-byte section alignment for
3864         LTO named sections.
3865         (i386_pe_asm_output_aligned_decl_common): Add comment.
3866         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
3867
3868 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
3869
3870         PR target/43889
3871         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
3872         Add missing earlyclobber for second alternative.
3873
3874 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
3875
3876         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
3877         bits for artificial defs at the top of the block.
3878         * fwprop.c (single_def_use_enter_block): Don't call it.
3879
3880 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
3881
3882         PR 43715
3883         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
3884         instead of "$gcc_cv_objdump -T".
3885         Use "-undefined dynamic_lookup" on darwin.
3886         * gcc/configure: Regenerate.
3887
3888 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
3889
3890         PR c/43893
3891         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
3892
3893 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
3894
3895         * c-parser.c (struct c_token): Move location field up.
3896         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
3897         (struct c_declspecs): Convert typespec_word, storage_class, and
3898         default_int_p into bitfields.
3899         (struct c_declarator): Move loc field up.
3900
3901 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
3902
3903         * cfgloop.h (struct loop): Move can_be_parallel field up.
3904         * ipa-prop.h (struct ip_node_params): Move bitfields up.
3905         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
3906         down.
3907         (struct iv_cand): Convert pos field into a bitfield.
3908         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
3909         field up.
3910         (struct _stmt_vec_info): Shuffle fields for better packing.
3911
3912 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
3913
3914         * varasm.c (IN_NAMED_SECTION): Remove guard.
3915         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
3916         (IN_NAMED_SECTION_P): ...this.
3917         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
3918         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3919
3920 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
3921
3922         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
3923         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
3924         of shadowing it.  Fix comments.
3925
3926 2010-04-26  Jan Hubicka  <jh@suse.cz>
3927
3928         * cgraph.c (cgraph_create_node): Set node frequency to normal.
3929         (cgraph_clone_node): Copy function frequency.
3930         * cgraph.h (node_frequency): New enum
3931         (struct cgraph_node): Add.
3932         * final.c (rest_of_clean_state): Update.
3933         * lto-cgraph.c (lto_output_node): Output node frequency.
3934         (input_overwrite_node): Input node frequency.
3935         * tre-ssa-loop-ivopts (computation_cost): Update.
3936         * lto-streamer-out.c (output_function): Do not output function
3937         frequency.
3938         * predict.c (maybe_hot_frequency_p): Update and handle functions
3939         executed once.
3940         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
3941         attribute lookup.
3942         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
3943         (compute_function_frequency): Set noreturn functions to be executed
3944         once.
3945         (choose_function_section): Update.
3946         * lto-streamer-in.c (input_function): Do not input function frequency.
3947         * function.c (allocate_struct_function): Do not initialize function
3948         frequency.
3949         * function.h (function_frequency): Remove.
3950         (struct function): Remove function frequency.
3951         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
3952         (try_update): Update.
3953         * tree-inline.c (initialize_cfun): Do not update function frequency.
3954         * passes.c (pass_init_dump_file): Update.
3955         * i386.c (ix86_compute_frame_layout): Update.
3956         (ix86_pad_returns): Update.
3957
3958 2010-04-26  Jie Zhang  <jie@codesourcery.com>
3959
3960         PR tree-optimization/43833
3961         * tree-vrp.c (range_int_cst_p): New.
3962         (range_int_cst_singleton_p): New.
3963         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
3964         when both operands are constants.  Use range_int_cst_p in
3965         BIT_IOR_EXPR case.
3966
3967 2010-04-26  Jan Hubicka  <jh@suse.cz>
3968
3969         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
3970
3971 2010-04-26  Richard Guenther  <rguenther@suse.de>
3972
3973         PR lto/43080
3974         * gimple.c (gimple_decl_printable_name): Deal gracefully
3975         with a NULL DECL_NAME.
3976
3977 2010-04-26  Richard Guenther  <rguenther@suse.de>
3978
3979         PR lto/42425
3980         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
3981         if emitting debug information and it is either a function
3982         or a namespace decl.
3983
3984 2010-04-26  Ira Rosen  <irar@il.ibm.com>
3985
3986         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
3987         determine if the statement is vectorizable, and a macro to access it.
3988         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3989         Skip statements that can't be vectorized. If the analysis fails,
3990         mark the statement as unvectorizable if vectorizing basic block.
3991         (vect_compute_data_refs_alignment): Likewise.
3992         (vect_verify_datarefs_alignment): Skip statements marked as
3993         unvectorizable. Add print.
3994         (vect_analyze_group_access): Skip statements that can't be
3995         vectorized. If the analysis fails, mark the statement as
3996         unvectorizable if vectorizing basic block.
3997         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
3998         * tree-vect-stmts.c (vectorizable_store): Fix the number of
3999         generated stmts for SLP.
4000         (new_stmt_vec_info): Initialize the new field.
4001         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
4002         statements marked as unvectorizable.
4003
4004 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
4005
4006         * c-common.c (flag_isoc1x): New.
4007         (flag_isoc99): Update comment.
4008         * c-common.h (flag_isoc1x): New.
4009         (flag_isoc99): Update comment.
4010         * c-cppbuiltin.c (builtin_define_float_constants): Also define
4011         __<type>_DECIMAL_DIG__.
4012         * c-opts.c (set_std_c1x): New.
4013         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
4014         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
4015         * c.opt (-std=c1x, -std=gnu1x): New options.
4016         * doc/cpp.texi: Mention -std=c1x.
4017         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
4018         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
4019         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
4020         * doc/standards.texi: Mention C1X.
4021         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
4022         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
4023         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
4024         Define for C1X.
4025
4026 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
4027
4028         * config/i386/gmon-sol2.c (_mcleanup): Change format string
4029         placeholder from 0x%x to %#x.
4030         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
4031         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
4032         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
4033         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
4034         * config/i386/i386.c (ix86_target_string): Ditto.
4035         (output_pic_addr_const): Ditto.
4036         (print_operand): Ditto.
4037
4038 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
4039
4040         * combine.c (find_split_point): Add third argument.  Use it
4041         to find nested multiply-accumulate instructions.  Adjust calls.
4042         (try_combine): Adjust call to find_split_point.
4043
4044 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
4045
4046         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
4047
4048 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
4049
4050         PR tree-optimization/41442
4051         * fold-const.c (merge_truthop_with_opposite_arm): New function.
4052         (fold_binary_loc): Call it.
4053
4054 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4055
4056         * toplev.c (general_init): Set default for fdiagnostics-show-option.
4057         * opts.c (common_handle_option): Allow disabling it.
4058         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
4059
4060 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4061
4062         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
4063         between modes if both types are integral.
4064
4065 2010-04-23  Richard Guenther  <rguenther@suse.de>
4066
4067         PR tree-optimization/43572
4068         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
4069
4070 2010-04-23  Richard Guenther  <rguenther@suse.de>
4071
4072         PR lto/43455
4073         * tree-inline.c (tree_can_inline_p): Also check compatibility
4074         of return types.
4075
4076 2010-04-23  Martin Jambor  <mjambor@suse.cz>
4077
4078         PR tree-optimization/43846
4079         * tree-sra.c (struct access): New flag grp_assignment_read.
4080         (build_accesses_from_assign): Set grp_assignment_read.
4081         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
4082         (enum mark_read_status): New type.
4083         (analyze_access_subtree): Propagate grp_assignment_read, create
4084         accesses also if both direct_read and root->grp_assignment_read.
4085
4086 2010-04-23  Martin Jambor  <mjambor@suse.cz>
4087
4088         PR middle-end/43835
4089         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
4090         function does not have type attributes.
4091
4092 2010-04-23  Richard Guenther  <rguenther@suse.de>
4093
4094         PR lto/42653
4095         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
4096         of FUNCTION_DECLs.
4097
4098 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4099
4100         * sese.h (create_if_region_on_edge): Remove.
4101
4102         * sese.c (create_if_region_on_edge): Make static.
4103
4104         * tree-inline.c: Do not include ggc.h.
4105
4106         * expr.c: Do not include ggc.h.
4107
4108         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
4109         dependencies.
4110
4111 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4112
4113         PR target/43744
4114         * config/sh/sh.c (find_barrier): Don't emit a constant pool
4115         in the middle of insns for casesi_worker_2.
4116
4117 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
4118
4119         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
4120
4121 2010-04-22  Ira Rosen  <irar@il.ibm.com>
4122
4123         PR tree-optimization/43842
4124         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
4125         loop unrolling in update of exit phis. Fix comment.
4126         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
4127         least two reduction statements in the loop before starting SLP
4128         analysis.
4129
4130 2010-04-22  Nick Clifton  <nickc@redhat.com>
4131
4132         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
4133
4134 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
4135
4136         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
4137         to simplify a + ~a.
4138
4139 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4140
4141         * tree-parloops.c (loop_parallel_p): New argument
4142         parloop_obstack.  Pass it down.
4143         (parallelize_loops): New variable parloop_obstack.  Initialize it,
4144         pass it down, free it.
4145
4146         * tree-loop-linear.c (linear_transform_loops): Pass down
4147         lambda_obstack.
4148
4149         * tree-data-ref.h (lambda_compute_access_matrices): New argument
4150         of type struct obstack *.
4151
4152         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
4153         scratch_obstack.  Initialize it, pass down, free it.
4154
4155         * lambda.h (lambda_loop_new): Remove.
4156         (lambda_matrix_new, lambda_matrix_inverse)
4157         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
4158         argument of type struct obstack *.
4159
4160         * lambda-trans.c (lambda_trans_matrix_new): New argument
4161         lambda_obstack.  Pass it down, use obstack allocation for ret.
4162         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
4163         it down.
4164
4165         * lambda-mat.c (lambda_matrix_get_column)
4166         (lambda_matrix_project_to_null): Remove.
4167         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
4168         allocation for mat.
4169         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
4170         lambda_obstack.
4171
4172         * lambda-code.c (lambda_loop_new): New function.
4173         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
4174         (lambda_compute_auxillary_space, lambda_compute_target_space)
4175         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
4176         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
4177         (build_access_matrix): New argument lambda_obstack.  Use obstack
4178         allocation for am.
4179         (lambda_compute_step_signs, lambda_compute_access_matrices): New
4180         argument lambda_obstack.  Pass it down.
4181
4182 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4183
4184         * optabs.h (expand_widening_mult): Declare.
4185
4186 2010-04-22  Richard Guenther  <rguenther@suse.de>
4187
4188         PR tree-optimization/43845
4189         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
4190         lookup the CALL_EXPR function and arguments.
4191
4192 2010-04-22  Nick Clifton  <nickc@redhat.com>
4193
4194         * config/stormy16/stormy16.c
4195         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
4196         * config/stormy16/stormy16.h: Tidy up formatting.
4197         (DONT_USE_BUILTIN_SETJMP): Remove definition.
4198         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
4199         (ineqbranchsi): Delete pattern.
4200         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
4201         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
4202         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
4203         stormy16-lib2-ucmpsi2.c.
4204
4205 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4206
4207         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
4208         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
4209         extra set merge_set_noclobber, and use it to relax the final test
4210         slightly.
4211         * df.h (df_simulate_find_noclobber_defs): Declare.
4212         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
4213         conditional defs.
4214         (df_simulate_find_noclobber_defs): New function.
4215
4216 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
4217
4218         * config/i386/i386.md: Use {} around multi-line preparation statements.
4219
4220 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4221
4222         * c-tree.h (push_init_level, pop_init_level, set_init_index)
4223         (process_init_element): New argument of type struct obstack *.
4224
4225         * c-typeck.c (push_init_level, pop_init_level, set_designator)
4226         (set_init_index, set_init_label, set_nonincremental_init)
4227         (set_nonincremental_init_from_string, find_init_member)
4228         (output_init_element, output_pending_init_elements)
4229         (process_init_element): New argument braced_init_obstack.  Pass it
4230         down.
4231         (push_range_stack, add_pending_init): New argument
4232         braced_init_obstack.  Use obstack allocation.
4233
4234         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
4235         braced_init_obstack.  Pass it down.
4236         (c_parser_braced_init): New variables ret, braced_init_obstack.
4237         Initialize obstack, pass it down and finally free it.
4238
4239 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4240
4241         PR middle-end/29274
4242         * tree-pass.h (pass_optimize_widening_mul): Declare.
4243         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
4244         gate_optimize_widening_mul): New static functions.
4245         (pass_optimize_widening_mul): New.
4246         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
4247         <case MULT_EXPR>: Remove support for widening multiplies.
4248         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
4249         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
4250         simplify_gen_unary rather than directly building extensions.
4251         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
4252         WIDEN_MULT_EXPR.
4253         * expmed.c (expand_widening_mult): New function.
4254         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
4255
4256 2010-04-21  Jan Hubicka  <jh@suse.cz>
4257
4258         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
4259         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
4260         * lto-wpa-fixup.c: Remove.
4261         * Makefile.in (lto-wpa-fixup.o): Remove.
4262         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
4263         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
4264         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
4265
4266 2010-04-21  Jan Hubicka  <jh@suse.cz>
4267
4268         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
4269         add write_optimization_summary, read_optimization_summary.
4270         (ipa_write_summaries_of_cgraph_node_set): Remove.
4271         (ipa_write_optimization_summaries): Declare.
4272         (ipa_read_optimization_summaries): Declare.
4273         * ipa-cp.c (pass_ipa_cp): Update.
4274         * ipa-reference.c (pass_ipa_reference): Update.
4275         * ipa-pure-const.c (pass_ipa_pure_const): Update.
4276         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
4277         Update.
4278         * ipa-inline.c (pass_ipa_inline): Update.
4279         * ipa.c (pass_ipa_whole_program): Update.
4280         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
4281         * passes.c (ipa_write_summaries_1): Do not test wpa.
4282         (ipa_write_optimization_summaries_1): New.
4283         (ipa_write_optimization_summaries): New.
4284         (ipa_read_summaries): Do not test ltrans.
4285         (ipa_read_optimization_summaries_1): New.
4286         (ipa_read_optimization_summaries): New.
4287
4288 2010-04-21  Jan Hubicka  <jh@suse.cz>
4289
4290         * lto-cgraph.c (lto_output_node): Do not output comdat groups
4291         for boundary nodes.
4292         (output_cgraph): Do not arrange comdat groups for boundary nodes.
4293
4294 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
4295
4296         PR debug/40040
4297         * dwarf2out.c (add_name_and_src_coords_attributes): Add
4298         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
4299
4300 2010-04-21  Jan Hubicka  <jh@suse.cz>
4301
4302         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
4303
4304 2010-04-21  Jan Hubicka  <jh@suse.cz>
4305
4306         * varpool.c (decide_is_variable_needed): Variable is always needed
4307         during ltrans.
4308
4309 2010-04-21  Jan Hubicka  <jh@suse.cz>
4310
4311         * opts.c (decode_options): Enable pure-const pass for whopr.
4312
4313 2010-04-21  Jan Hubicka  <jh@suse.cz>
4314
4315         * cgraph.c (dump_cgraph_node): Dump also assembler name.
4316         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
4317         at WPA dumping.
4318         (cgraph_decide_inlining): Do not expect callee to be removed in all
4319         cases.
4320
4321 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
4322
4323         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
4324
4325 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
4326
4327         * config/i386/i386.md (x86_shrd): Add athlon_decode and
4328         amdfam10_decode attributes.
4329
4330 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
4331
4332         PR middle-end/43570
4333         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
4334         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
4335         (lower_copyprivate_clauses): Use private var in outer
4336         context instead of original var.  Make sure the types
4337         are correct for VLAs.
4338
4339 2010-04-21  Richard Guenther  <rguenther@suse.de>
4340
4341         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
4342         to non-pointer objects.
4343
4344 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
4345
4346         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
4347         last chain entry if it starts with the still current label.
4348         (add_location_or_const_value_attribute): Check that
4349         loc_list->first->next is NULL instead of comparing ->first with ->last.
4350         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
4351         to add_var_loc_to_decl.
4352
4353         * dwarf2out.c (output_call_frame_info): For dw_cie_version
4354         >= 4 add also address size and segment size fields into CIE header.
4355
4356         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
4357         long as address size is the same as sizeof (void *) and
4358         segment size is 0.
4359         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
4360         address size or segment size is unexpected, return DW_EH_PE_omit.
4361         (classify_object_over_fdes): If get_cie_encoding returned
4362         DW_EH_PE_omit, return -1.
4363         (init_object): If classify_object_over_fdes returned -1,
4364         pretend there were no FDEs at all.
4365
4366 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
4367
4368         * config/i386/i386.md (bswap<mode>2): Macroize expander from
4369         bswap{si,di}2 using SWI48 mode iterator.
4370         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
4371         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
4372         set modrm attribute of bswap insn to 0 and remove length attribute.
4373         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
4374         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
4375         set mode attribute to <MODE> and remove length attribute.
4376
4377 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
4378
4379         PR rtl-optimization/43520
4380         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
4381         zero available registers.
4382
4383 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4384
4385         * builtins.c (fold_builtin_cproj): Fold more cases.
4386
4387 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4388
4389         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
4390         (fold_builtin_1): Fold builtin cproj.
4391         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
4392         Use ATTR_CONST_NOTHROW_LIST.
4393
4394 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
4395
4396         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
4397         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
4398         ffsi2_no_cmove for !TARGET_CMOVE.
4399         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
4400         (ffssi2): Remove expander.
4401         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
4402         mode iterator.
4403         (ctz<mode>2): Ditto from ctz{si,di}2.
4404         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
4405         mode iterator.
4406         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
4407         mode iterator.
4408
4409 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
4410
4411         * dwarf2out.c (AT_linkage_name): Define.
4412         (clone_as_declaration): Handle DW_AT_linkage_name.
4413         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
4414         of DW_AT_MIPS_linkage_name.
4415         (move_linkage_attr): Likewise.
4416         (dwarf2out_finish): Likewise.
4417
4418 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
4419
4420         PR middle-end/41952
4421         * fold-const.c (fold_comparison): New folding rule.
4422
4423 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
4424
4425         * double-int.h (double_int_setbit): Declare.
4426         * double-int.c (double_int_setbit): New function.
4427         * rtl.h (immed_double_int_const): Declare.
4428         * emit-rtl.c (immed_double_int_const): New function.
4429         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
4430         and immed_double_int_const functions.
4431         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
4432         expand_copysign_bit):  (Ditto.).
4433         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
4434         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
4435         * dojump.c (prefer_and_bit_test): (Ditto.).
4436         * expr.c (convert_modes, reduce_to_bit_field_precision,
4437         const_vector_from_tree): (Ditto.).
4438         * expmed.c (mask_rtx, lshift_value): (Ditto.).
4439
4440 2010-04-20  Jan Hubicka  <jh@suse.cz>
4441
4442         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
4443         (dump_cgraph_node): Dump new flags.
4444         * cgraph.h (struct cgraph_node): Add flags
4445         reachable_from_other_partition and in_other_partition.
4446         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
4447         other partition can not be removed.
4448         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
4449         the other partition must be output; silence sanity checking on
4450         leaking functions bodies from other paritition.
4451         * lto-cgraph.c (reachable_from_other_partition_p): New function.
4452         (lto_output_node): Output new flags; do not sanity check that inline
4453         clones are output; drop lto_forced_extern_inline_p code; do not mock
4454         visibility flags at partition boundaries.
4455         (add_node_to): New function.
4456         (output_cgraph): Use it to sort functions so masters appear before
4457         clones.
4458         (input_overwrite_node): Input new flags.
4459         * passes.c (ipa_write_summaries): Do not call
4460         lto_new_extern_inline_states.
4461         * lto-section-out.c (forced_extern_inline,
4462         lto_new_extern_inline_states lto_delete_extern_inline_states,
4463         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
4464         * lto-streamer.h (lto_new_extern_inline_states,
4465         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
4466         lto_forced_extern_inline_p): Kill.
4467
4468 2010-04-20  Richard Guenther  <rguenther@suse.de>
4469
4470         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
4471         from vars that can have pointers.
4472         (process_constraint): Dump useless constraints.
4473
4474 2010-04-20  Richard Guenther  <rguenther@suse.de>
4475
4476         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
4477         (dump_sa_points_to_info): Remove asserts.
4478         (init_base_vars): nothing_id isn't an escape point nor does it
4479         have pointers.
4480
4481 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
4482
4483         * tree.h (TYPE_REF_IS_RVALUE): Define.
4484         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
4485         should_move_die_to_comdat, prune_unused_types_walk): Handle
4486         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
4487         (modified_type_die, gen_reference_type_die): Emit
4488         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
4489         if TYPE_REF_IS_RVALUE and -gdwarf-4.
4490
4491 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4492
4493         PR target/43635
4494         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
4495         calls for -fpic -m31 if they have been sibcall optimized.
4496
4497 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
4498
4499         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
4500         ar.lc fixed and call-used.
4501
4502         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
4503
4504 2010-04-19  Jan Hubicka  <jh@suse.cz>
4505
4506         * opts.c (decode_options): Disable whpr incompatible passes.
4507         * lto/lto.c (lto_1_to_1_map): Skip clones.
4508         (read_cgraph_and_symbols): Do not mark everything as needed.
4509         (do_whole_program_analysis): Do map only after optimizing;
4510         set proper cgraph_state; use passmanager.
4511
4512 2010-04-19  DJ Delorie  <dj@redhat.com>
4513
4514         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
4515         POINTER_PLUS_EXPR and fix them.
4516
4517 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
4518
4519         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
4520         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
4521         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
4522         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
4523         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
4524         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
4525         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
4526         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
4527         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
4528         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
4529         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
4530
4531 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4532
4533         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
4534         (check_cond_move_block): Likewise.
4535         (cond_move_process_if_block): Likewise.
4536         (noce_find_if_block): Improve formatting.
4537         (find_if_header): Pass 0 to memset and tweak conditions.
4538         (cond_exec_find_if_block): Fix long lines and tweak conditions.
4539
4540 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
4541
4542         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
4543         for -gdwarf-4.
4544
4545         PR middle-end/43337
4546         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
4547         with non-local decl doesn't need chain.
4548
4549 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
4550
4551         * ira-color.c (allocno_reload_assign): Avoid accumulating
4552         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
4553
4554 2010-04-19  Martin Jambor  <mjambor@suse.cz>
4555
4556         * gimple.h (create_tmp_reg): Declare.
4557         * gimplify.c (create_tmp_reg): New function.
4558         (gimplify_return_expr): Use create_tmp_reg.
4559         (gimplify_omp_atomic): Likewise.
4560         (gimple_regimplify_operands): Likewise.
4561         * tree-dfa.c (make_rename_temp): Likewise.
4562         * tree-predcom.c (predcom_tmp_var): Likewise.
4563         (reassociate_to_the_same_stmt): Likewise.
4564         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
4565         (get_replaced_param_substitute): Likewise.
4566         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
4567         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
4568         * tree-ssa-pre.c (get_representative_for): Likewise.
4569         (create_expression_by_pieces): Likewise.
4570         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
4571         (create_tailcall_accumulator): Likewise.
4572
4573 2010-04-19  Martin Jambor  <mjambor@suse.cz>
4574
4575         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
4576         new_stmt.
4577         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
4578
4579 2010-04-19  Richard Guenther  <rguenther@suse.de>
4580
4581         PR tree-optimization/43796
4582         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
4583         from SCEV in the lattice.
4584         (vrp_visit_phi_node): Dump change.
4585
4586 2010-04-19  Richard Guenther  <rguenther@suse.de>
4587
4588         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
4589         * configure: Re-generated.
4590
4591 2010-04-19  Richard Guenther  <rguenther@suse.de>
4592
4593         PR tree-optimization/43783
4594         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
4595         constant ARRAY_REF operands two and three if possible.
4596
4597 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
4598
4599         PR target/43766
4600         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
4601
4602 2010-04-19  Jie Zhang  <jie@codesourcery.com>
4603
4604         PR target/43662
4605         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
4606
4607 2010-04-19  Ira Rosen  <irar@il.ibm.com>
4608
4609         PR tree-optimization/37027
4610         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
4611         and macro to access it.
4612         (vectorizable_reduction): Add argument.
4613         (vect_get_slp_defs): Likewise.
4614         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
4615         statements for possible use in SLP.
4616         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
4617         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
4618         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
4619         add new argument.
4620         (vectorizable_reduction): Likewise.
4621         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
4622         vect_get_slp_defs.
4623         (vectorizable_type_demotion, vectorizable_type_promotion,
4624         vectorizable_store): Likewise.
4625         (vect_analyze_stmt): Update call to vectorizable_reduction.
4626         (vect_transform_stmt): Likewise.
4627         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
4628         (vect_build_slp_tree): Fix indentation. Check that there are no loads
4629         from different interleaving chains in same node.
4630         (vect_slp_rearrange_stmts): New function.
4631         (vect_supported_load_permutation_p): Allow load permutations for
4632         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
4633         inside SLP nodes if necessary.
4634         (vect_analyze_slp_instance): Handle reductions.
4635         (vect_analyze_slp): Try to build SLP instances originating from groups
4636         of reductions.
4637         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
4638         (vect_get_constant_vectors): Create initial vectors for reductions
4639         according to reduction code. Add new argument.
4640         (vect_get_slp_defs): Add new argument, pass it to
4641         vect_get_constant_vectors.
4642         (vect_schedule_slp_instance): Remove SLP tree root statements.
4643
4644 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
4645
4646         * tree.h (ENUM_IS_SCOPED): Define.
4647         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
4648         for ENUM_IS_SCOPED enums.
4649
4650 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
4651
4652         * fold-const.c (fold_comparison): Use ssizetype.
4653         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
4654         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
4655         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
4656         * tree-object-size.c (compute_object_sizes): Use size_type_node.
4657
4658         * tree.h (initialize_sizetypes): Remove parameter.
4659         (build_common_tree_nodes): Remove second parameter.
4660         * stor-layout.c (initialize_sizetypes): Remove parameter.
4661         Always create an unsigned type.
4662         (set_sizetype): Assert that the passed type is unsigned and simplify.
4663         * tree.c (build_common_tree_nodes): Remove second parameter.
4664         Adjust call to initialize_sizetypes.
4665         * c-decl.c (c_init_decl_processing): Remove second argument in call to
4666         build_common_tree_nodes.
4667
4668 2010-04-18  Matthias Klose  <doko@ubuntu.com>
4669
4670         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
4671
4672 2010-04-18  Ira Rosen  <irar@il.ibm.com>
4673
4674         PR tree-optimization/43771
4675         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
4676         load permutation doesn't have gaps.
4677
4678 2010-04-18  Jan Hubicka  <jh@suse.cz>
4679
4680         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
4681         (sse_prologue_save_insn expander): Use new pattern.
4682         (sse_prologue_save_insn1): New pattern and splitter.
4683         (sse_prologue_save_insn): Update to deal also with 64bit aligned
4684         blocks.
4685         * i386.c (setup_incoming_varargs_64): Do not compute jump
4686         destination here.
4687         (ix86_gimplify_va_arg): Update alignment needed.
4688         (ix86_local_alignment): Do not align all local arrays to 128bit.
4689
4690 2010-04-17  Jan Hubicka  <jh@suse.cz>
4691
4692         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
4693
4694 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
4695
4696         * arm.md (negdi2): Remove redundant code to force values into a
4697         register.
4698
4699 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
4700
4701         * arm/bpabi.S: Add EABI alignment attributes to objects.
4702         * arm/bpabi-v6m.S: Likewise.
4703         * arm/crti.asm: Likewise.
4704         * arm/crtn.asm: Likewise.
4705         * arm/lib1funcs.asm: Likewise.
4706         * arm/libunwind.S: Likewise.
4707
4708 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
4709
4710         * arm-protos.h (tune_params): New structure.
4711         * arm.c (current_tune): New variable.
4712         (arm_constant_limit): Delete.
4713         (struct processors): Add pointer to the tune parameters.
4714         (arm_slowmul_tune): New tuning option.
4715         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
4716         (all_cores): Adjust to pick up the tuning model.
4717         (arm_constant_limit): New function.
4718         (arm_override_options): Select the appropriate tuning model.  Delete
4719         initialization of arm_const_limit.
4720         (arm_split_constant): Use the new constant-limit model.
4721         (arm_rtx_costs): Pick up the current tuning model.
4722         * arm.md (is_strongarm, is_xscale): Delete.
4723         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
4724         for Xscale variant architectures.
4725         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
4726
4727 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4728
4729         * config/arm/arm.c (arm_gen_constant): Remove unused variable
4730         can_shift.
4731         (arm_rtx_costs_1): Remove unused variable extra_cost.
4732         (arm_unwind_emit_set): Use variable offset.
4733         (thumb1_output_casesi): Remove unused variable flags.
4734
4735 2010-04-16  Jeff Law  <law@redhat.com>
4736
4737         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
4738         needing assignment rather than doing a two-phase assignment.  Remove
4739         unused variable 'm'.
4740
4741 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4742
4743         PR bootstrap/43767
4744         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
4745
4746 2010-04-16  Doug Kwan  <dougkwan@google.com>
4747
4748         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
4749         (next_operand_entry_id): New static variable.
4750         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
4751         (add_to_ops_vec): Assigned unique ID to operand entry.
4752         (struct oecount_s): New field ID.
4753         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
4754         (undistribute_ops_list): Assign unique IDs to oecounts.
4755         (init_reassoc): reset next_operand_entry_id.
4756
4757 2010-04-16  Doug Kwan  <dougkwan@google.com>
4758
4759         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
4760         missing left parenthesis.
4761
4762 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
4763
4764         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
4765         *btdi_rex64 using SWI48 mode iterator.
4766         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
4767         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
4768         *jcc_btdi_mask_rex64.
4769
4770 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
4771
4772         * double-int.h (tree_to_double_int): Convert to macro.
4773         * double-int.c (tree_to_double_int): Remove.
4774
4775 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4776
4777         PR debug/43762
4778         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
4779         with want_address 2 and in case a single element list might be
4780         possible, call it again with want_address 0.
4781
4782 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
4783
4784         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
4785         case 'W' print operands for HI mode.
4786         * config/h8300/h8300.h (Y0, Y2) : New constraints.
4787         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
4788         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
4789         * config/h8300/predicate.md (bit_register_indirect_operand): New.
4790
4791         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
4792
4793         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
4794         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
4795         #xx:3 and #xx:4 mode.
4796
4797         * config/h8300/h8300.md (inverted load with HImode dest): Add
4798         support for H8300SX.
4799
4800         * config/h8300/predicate.md (bit_operand): Allow immediate values that
4801         satisfy 'U' constraint.
4802
4803 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4804
4805         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
4806         * configure: Regenerate.
4807         * config.in: Regenerate.
4808         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
4809         works.
4810
4811 2010-04-16  Richard Guenther  <rguenther@suse.de>
4812
4813         * tree.h (struct tree_decl_minimal): Move pt_uid ...
4814         (struct tree_decl_common): ... here.
4815         (DECL_PT_UID): Adjust.
4816         (SET_DECL_PT_UID): Likewise.
4817         (DECL_PT_UID_SET_P): Likewise.
4818
4819 2010-04-16  Richard Guenther  <rguenther@suse.de>
4820
4821         PR tree-optimization/43572
4822         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
4823         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
4824         * tree-flow.h (is_call_clobbered): Remove.
4825         * tree-flow-inline.h (is_call_clobbered): Likewise.
4826         * tree-dfa.c (dump_variable): Do not dump call clobber state.
4827         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
4828         (execute_return_slot_opt): Adjust.
4829         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
4830         check for call clobbered vars here.
4831         (find_tail_calls): Move tailcall verification to the
4832         proper place.
4833
4834 2010-04-16  Diego Novillo  <dnovillo@google.com>
4835
4836         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
4837
4838 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
4839
4840         PR target/40603
4841         * config/arm/arm.md (cbranchqi4): New pattern.
4842         * config/arm/predicates.md (const0_operand,
4843         cbranchqi4_comparison_operator): New predicates.
4844
4845 2010-04-16  Richard Guenther  <rguenther@suse.de>
4846
4847         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
4848         (dump_gimple_stmt): Likewise.
4849
4850 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
4851
4852         * recog.h (struct recog_data): New field is_operator.
4853         (struct insn_operand_data): New field is_operator.
4854         * recog.c (extract_insn): Set recog_data.is_operator.
4855         * genoutput.c (output_operand_data): Emit code to set the
4856         is_operator field.
4857         * reload.c (find_reloads): Use it rather than testing for an
4858         empty constraint string.
4859
4860         PR target/41514
4861         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
4862         If the previous insn is a cbranchsi4_insn with the same arguments,
4863         omit the compare instruction.
4864
4865         * config/arm/arm.md (addsi3_cbranch): If destination is a high
4866         register, inputs must be low registers and we need a low register
4867         scratch.  Handle alternative 2 like alternative 3.
4868
4869 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4870
4871         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
4872         don't call get_addr on both.  If one expression is a VALUE and
4873         the other a REG, check VALUE's locs if the REG isn't among them.
4874
4875 2010-04-16  Christian Bruel  <christian.bruel@st.com>
4876
4877         * config/sh/sh.h (sh_frame_pointer_required): New function.
4878         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
4879         (flag_omit_frame_pointer) Set.
4880         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
4881         (rounded_frame_size): Adjust size with outgoing_args_size.
4882         (sh_set_return_address): Must return from stack pointer.
4883         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
4884         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
4885         (ACCUMULATE_OUTGOING_ARGS): Define.
4886         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
4887         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
4888
4889 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4890
4891         PR target/43471
4892         * config/sh/sh.c (sh_legitimize_reload_address): Use
4893         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
4894         Remove a unneeded check for offset_base.
4895
4896 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
4897
4898         * configure: Regenerated.
4899
4900 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4901
4902         * config/s390/s390.c (s390_call_save_register_used): Switch back
4903         to HARD_REGNO_NREGS.
4904
4905 2010-04-15  Richard Guenther  <rguenther@suse.de>
4906
4907         * alias.c (alias_set_subset_of): Handle alias-set zero
4908         child properly.
4909
4910 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
4911             Julian Brown  <julian@codesourcery.com>
4912
4913         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
4914         alternatives according to use of high and low regs.
4915         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
4916         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
4917         optimizing for size on Thumb-2.
4918
4919 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
4920
4921         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
4922
4923 2010-04-15  Richard Guenther  <rguenther@suse.de>
4924
4925         * tree-ssa-structalias.c (struct variable_info): Add
4926         is_fn_info flag.
4927         (new_var_info): Initialize it.
4928         (dump_constraints): Support printing last added constraints.
4929         (debug_constraints): Adjust.
4930         (dump_constraint_graph): Likewise.
4931         (make_heapvar_for): Check for NULL cfun.
4932         (get_function_part_constraint): New function.
4933         (get_fi_for_callee): Likewise.
4934         (find_func_aliases): Properly implement IPA PTA constraints.
4935         (process_ipa_clobber): New function.
4936         (find_func_clobbers): Likewise.
4937         (insert_into_field_list_sorted): Remove.
4938         (create_function_info_for): Properly allocate vars for IPA mode.
4939         Do not use insert_into_field_list_sorted.
4940         (create_variable_info_for): Properly generate constraints for
4941         global vars in IPA mode.
4942         (dump_solution_for_var): Always dump the solution.
4943         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
4944         (find_what_var_points_to): Adjust.
4945         (pt_solution_set): Change.
4946         (pt_solution_ior_into): New function.
4947         (pt_solution_empty_p): Export.
4948         (pt_solution_includes_global): Adjust.
4949         (pt_solution_includes_1): Likewise.
4950         (pt_solutions_intersect_1): Likewise.
4951         (dump_sa_points_to_info): Check some invariants.
4952         (solve_constraints): Move constraint dumping ...
4953         (compute_points_to_sets): ... here.
4954         (ipa_pta_execute): ... and here.
4955         (compute_may_aliases): Do not re-compute points-to info
4956         locally if IPA info is available.
4957         (ipa_escaped_pt): New global var.
4958         (ipa_pta_execute): Properly implement IPA PTA.
4959         * tree-into-ssa.c (dump_decl_set): Support dumping
4960         decls not in referenced-vars.
4961         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
4962         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
4963         (dump_points_to_solution): Likewise.
4964         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
4965         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
4966         (remap_gimple_stmt): Reset call clobber/use information if necessary.
4967         (copy_decl_to_var): Copy DECL_PT_UID.
4968         (copy_result_decl_to_var): Likewise.
4969         * tree.c (make_node_stat): Initialize DECL_PT_UID.
4970         (copy_node_stat): Copy it.
4971         * tree.h (DECL_PT_UID): New macro.
4972         (SET_DECL_PT_UID): Likewise.
4973         (DECL_PT_UID_SET_P): Likewise.
4974         (struct tree_decl_minimal): Add pt_uid member.
4975         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
4976         (pt_solution_empty_p): Declare.
4977         (pt_solution_set): Adjust.
4978         (ipa_escaped_pt): Declare.
4979         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
4980         * gimple-pretty-print.c (pp_points_to_solution): New function.
4981         (dump_gimple_call): Dump call clobber/use information.
4982         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
4983         * tree-pass.h (TDF_ALIAS): New dump option.
4984         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
4985         * doc/invoke.texi (-fipa-pta): Update documentation.
4986
4987 2010-04-15  Richard Guenther  <rguenther@suse.de>
4988
4989         * Makefile.in (OBJS-common): Add gimple-fold.o.
4990         (gimple-fold.o): New rule.
4991         * tree.h (maybe_fold_offset_to_reference,
4992         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
4993         prototypes ...
4994         * gimple.h: ... here.
4995         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
4996         may_propagate_address_into_dereference): Move prototypes ...
4997         * gimple.h: ... here.
4998         * tree-ssa-ccp.c (get_symbol_constant_value,
4999         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
5000         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
5001         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
5002         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
5003         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
5004         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
5005         gimplify_and_update_call_from_tree): Move ...
5006         * gimple-fold.c: ... here.  New file.
5007         (ccp_fold_builtin): Rename to ...
5008         (gimple_fold_builtin): ... this.
5009         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
5010
5011 2010-04-15  Richard Guenther  <rguenther@suse.de>
5012
5013         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
5014         fit_double_type, force_fit_type_double, add_double_with_sign,
5015         neg_double, mul_double_with_sign, lshift_double, rshift_double,
5016         lrotate_double, rrotate_double, div_and_round_double): Move ...
5017         * double-int.c: ... here.
5018         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
5019         add_double, neg_double, mul_double_with_sign, mul_double,
5020         lshift_double, rshift_double, lrotate_double, rrotate_double,
5021         div_and_round_double): Move prototypes ...
5022         * double-int.h: ... here.
5023
5024 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
5025
5026         PR target/43742
5027         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
5028         matching constraints to ensure inputs match the output.
5029
5030 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5031
5032         PR target/43742
5033         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
5034         in an input-only operand.
5035
5036 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
5037
5038         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
5039         (double_int_not, double_int_lshift, double_int_rshift): Declare.
5040         (double_int_negative_p): Convert to static inline function.
5041         * double-int.c (double_int_lshift, double_int_lshift): New functions.
5042         (double_int_negative_p): Remove.
5043         * tree.h (lshift_double, rshift_double):
5044         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
5045         * fold-const.c (fold_convert_const_int_from_real,
5046         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
5047         (lshift_double): Change type of arith argument to bool.
5048         (rshift_double): Change type of arith argument to bool. Correct
5049         comment.
5050         * expmed.c (mask_rtx, lshift_value): (Ditto.).
5051
5052 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
5053
5054         PR target/21803
5055         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
5056         at the start and end of the then/else blocks, and omit them from the
5057         conversion.
5058         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
5059         argument; all callers changed.  Pass zero to old_insns_match_p instead.
5060         (flow_find_head_matching_sequence): New function.
5061         (old_insns_match_p): Check REG_EH_REGION notes for calls.
5062         * basic-block.h (flow_find_cross_jump,
5063         flow_find_head_matching_sequence): Declare functions.
5064
5065 2010-04-14  Jason Merrill  <jason@redhat.com>
5066
5067         PR c++/36625
5068         * c-common.c (attribute_takes_identifier_p): New fn.
5069         * c-common.h: Declare it.
5070
5071 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5072
5073         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
5074         splitter condition.
5075         (*udivmod<mode>4): Ditto.
5076
5077 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5078
5079         * config/i386/i386.md (maxmin_int): Rename code attribute from
5080         maxminiprefix and update all users.
5081         (maxmin_float): Ditto from maxminfprefix.
5082         (logic): Ditto from logicprefix.
5083         (absneg_mnemonic): Ditto from absnegprefix.
5084         * config/i386/mmx.md: Update all users of maxminiprefix,
5085         maxminfprefix and logicprefix for rename.
5086         * config/i386/sse.md: Ditto.
5087         * config/i386/sync.md (sync_<code><mode>): Update for
5088         logicprefix rename.
5089
5090 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5091
5092         PR 42966
5093         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
5094         warnings converted to errors.
5095
5096 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5097
5098         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
5099         used insn_type variable.
5100         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
5101         to avoid set-but-not-used warning.
5102
5103 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5104
5105         * df-core.c (df_ref_debug): Change format string placeholder
5106         from 0x%x to %#x.
5107         * dwarf2asm.c (dw2_asm_output_data_raw,
5108         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
5109         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
5110         * dwarf2out.c (output_cfi, output_cfi_directive,
5111         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
5112         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
5113         Ditto.
5114         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
5115         * print-rtl.c (print_rtx): Ditto.
5116
5117 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
5118
5119         PR middle-end/42694
5120         * builtins.c (expand_builtin_pow_root): New function to expand pow
5121         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
5122         series of sqrt and cbrt calls under -ffast-math.
5123         (expand_builtin_pow): Call it.
5124
5125 2010-04-14  Michael Matz  <matz@suse.de>
5126
5127         PR tree-optimization/42963
5128         * tree-cfg.c (touched_switch_bbs): New static variable.
5129         (group_case_labels_stmt): New function broken out from ...
5130         (group_case_labels): ... here, use the above.
5131         (start_recording_case_labels): Allocate touched_switch_bbs.
5132         (end_recording_case_labels): Deallocate it, call
5133         group_case_labels_stmt.
5134         (gimple_redirect_edge_and_branch): Remember index of affected BB.
5135
5136 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5137
5138         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
5139         from insn template.
5140
5141 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5142
5143         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
5144
5145 2010-04-13  Jan Hubicka  <jh@suse.cz>
5146
5147         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
5148         of optimized out static functions.
5149         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
5150         cost computation.  Also sanity check for overflows.
5151         (update_caller_keys): Update cgraph_edge_badness call; properly
5152         update fibheap and sanity check that it is up to date.
5153         (add_new_edges_to_heap): Update cgraph_edge_badness.
5154         (cgraph_decide_inlining_of_small_function): Likewise;
5155         add sanity checking that badness in heap is up to date;
5156         improve dumping of reason; Update badness of calls to the
5157         offline copy of function currently inlined; dump badness
5158         of functions not inlined because of unit growth limits.
5159
5160 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
5161
5162         PR middle-end/32628
5163         * c-common.c (pointer_int_sum): Disregard overflow that occured only
5164         because of sign-extension change when converting to sizetype here...
5165         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
5166
5167         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
5168         the folding to constants.  Remove redundant final conversion.
5169         (fold_binary) <associate>: Do not associate if the re-association of
5170         constants alone overflows.
5171         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
5172         to the end of the list.
5173         (multiple_of_p) <COND_EXPR>: New case.
5174
5175 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5176
5177         * opt-functions.awk (opt_sanitized_name): New.
5178         (opt_enum): New.
5179         * optc-gen.awk: Use it
5180         * opth-gen.awk: Use it.
5181
5182 2010-04-13  Martin Jambor  <mjambor@suse.cz>
5183
5184         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
5185         (sra_modify_assign): Delete stmts loading dead data even if racc has no
5186         children.  Call replace_uses_with_default_def_ssa_name to handle
5187         SSA_NAES on lhs.
5188
5189 2010-04-13  Michael Matz  <matz@suse.de>
5190
5191         PR middle-end/43730
5192         * builtins.c (expand_builtin_interclass_mathfn): Also create
5193         a register if the predicate doesn't match.
5194
5195 2010-04-13  Diego Novillo  <dnovillo@google.com>
5196
5197         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
5198         * c-pch.c: Include timevar.h.
5199         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
5200         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
5201         * ggc-common.c: Include timevar.h.
5202         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
5203         * timevar.def (TV_PCH_SAVE): Define.
5204         (TV_PCH_CPP_SAVE): Define.
5205         (TV_PCH_PTR_REALLOC): Define.
5206         (TV_PCH_PTR_SORT): Define.
5207         (TV_PCH_RESTORE): Define.
5208         (TV_PCH_CPP_RESTORE): Define.
5209
5210 2010-04-13  Michael Matz  <matz@suse.de>
5211
5212         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
5213         into MINUS_EXPRs.
5214         (can_reassociate_p): New function.
5215         (break_up_subtract_bb, reassociate_bb): Use it.
5216
5217 2010-04-13  Richard Guenther  <rguenther@suse.de>
5218
5219         PR bootstrap/43737
5220         * builtins.c (c_readstr): Fix assert.
5221
5222 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
5223
5224         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
5225         when generating cltd insn.
5226
5227         (*ashl<mode>3_1): Remove special handling for register operand 2.
5228         (*ashlsi3_1_zext): Ditto.
5229         (*ashlhi3_1): Ditto.
5230         (*ashlhi3_1_lea): Ditto.
5231         (*ashlqi3_1): Ditto.
5232         (*ashlqi3_1_lea): Ditto.
5233         (*<shiftrt_insn><mode>3_1): Ditto.
5234         (*<shiftrt_insn>si3_1_zext): Ditto.
5235         (*<shiftrt_insn>qi3_1_slp): Ditto.
5236         (*<rotate_insn><mode>3_1): Ditto.
5237         (*<rotate_insn>si3_1_zext): Ditto.
5238         (*<rotate_insn>qi3_1_slp): Ditto.
5239
5240 2010-04-13  Richard Guenther  <rguenther@suse.de>
5241
5242         * tree-ssa-structalias.c (callused_id): Remove.
5243         (call_stmt_vars): New.
5244         (get_call_vi): Likewise.
5245         (lookup_call_use_vi): Likewise.
5246         (lookup_call_clobber_vi): Likewise.
5247         (get_call_use_vi): Likewise.
5248         (get_call_clobber_vi): Likewise.
5249         (make_transitive_closure_constraints): Likewise.
5250         (handle_const_call): Adjust to do per-call call-used handling.
5251         (handle_pure_call): Likewise.
5252         (find_what_var_points_to): Remove general callused handling.
5253         (init_base_vars): Likewise.
5254         (init_alias_vars): Initialize call_stmt_vars.
5255         (compute_points_to_sets): Process call-used and call-clobbered
5256         vars for call statements.
5257         (delete_points_to_sets): Free call_stmt_vars.
5258
5259 2010-04-13  Richard Guenther  <rguenther@suse.de>
5260
5261         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5262         Only add RW dependence for dependence distance zero.
5263         Adjust maximal vectorization factor according to dependences.
5264         Move alignment handling ...
5265         (vect_find_same_alignment_drs): ... here.  New function.
5266         (vect_analyze_data_ref_dependences): Adjust.
5267         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
5268         (vect_analyze_data_refs): Adjust minimal vectorization factor
5269         according to data references.
5270         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
5271         dependences before determining the vectorization factor.
5272         Analyze alignment after determining the vectorization factor.
5273         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
5274         dependences before alignment.
5275         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
5276         Adjust prototype.
5277         (vect_analyze_data_refs): Likewise.
5278         (MAX_VECTORIZATION_FACTOR): New define.
5279
5280 2010-04-13  Duncan Sands  <baldrick@free.fr>
5281
5282         * except.h (lang_eh_type_covers): Remove.
5283         * except.c (lang_eh_type_covers): Likewise.
5284
5285 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5286             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5287
5288         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
5289         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
5290         UNITS_PER_LONG where it is ABI relevant.
5291         (s390_return_addr_rtx): Likewise.
5292         (s390_back_chain_rtx): Likewise.
5293         (s390_frame_area): Likewise.
5294         (s390_frame_info): Likewise.
5295         (s390_initial_elimination_offset): Likewise.
5296         (save_gprs): Likewise.
5297         (s390_emit_prologue): Likewise.
5298         (s390_emit_epilogue): Likewise.
5299         (s390_function_arg_advance): Likewise.
5300         (s390_function_arg): Likewise.
5301         (s390_va_start): Likewise.
5302         (s390_gimplify_va_arg): Likewise.
5303         (s390_function_profiler): Likewise.
5304         (s390_optimize_prologue): Likewise.
5305         (s390_rtx_costs): Likewise.
5306         (s390_secondary_reload): Likewise.
5307         (s390_promote_function_mode): Likewise.
5308         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
5309         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
5310         registers available.
5311         (s390_unwind_word_mode): New function.
5312         (s390_function_value): Split 64 bit values into register pair if
5313         used as return value.
5314         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
5315         function call parameters.  Handle parallels.
5316         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
5317         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5318         (DWARF_CIE_DATA_ALIGNMENT): New macro.
5319         (s390_expand_setmem): Remove unused variable src_addr.
5320         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
5321         deal with 64 bit registers.
5322         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
5323         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
5324         (UNITS_PER_LONG): New macro.
5325         * libjava/include/s390-signal.h: Define extended ucontext
5326         structure containing the upper halfs of the 64 bit registers.
5327
5328 2010-04-13  Simon Baldwin  <simonb@google.com>
5329
5330         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
5331
5332 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
5333
5334         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
5335         rvalue on the RHS if the LHS is of a non-renamable type.
5336         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
5337
5338 2010-04-13  Matthias Klose  <doko@ubuntu.com>
5339
5340         * gcc.c (cc1_options): Handle -iplugindir before processing
5341         the cc1 spec. Only add -iplugindir once.
5342         (cpp_unique_options): Add -iplugindir option if -fplugin* options
5343         found.
5344         * common.opt (iplugindir): Remove `Separate' property, initialize.
5345         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
5346         option.
5347         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
5348         (distclean): Remove plugin dir.
5349         * doc/invoke.texi: Document -iplugindir.
5350
5351 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
5352
5353         * doc/plugins.texi (Loading Plugins): Document short
5354         -fplugin=foo option.
5355         (Plugin API): Mention default_plugin_dir_name function.
5356
5357         * gcc.c (find_file_spec_function): Add new declaration.
5358         (static_spec_func): Use it for "find-file".
5359         (find_file_spec_function): Add new function.
5360         (cc1_options): Add -iplugindir option if -fplugin* options found.
5361
5362         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
5363
5364         * plugin.c (add_new_plugin): Updated comment, and handle short
5365         plugin name.
5366         (default_plugin_dir_name): Added new function.
5367
5368         * common.opt (iplugindir): New option to set the plugin directory.
5369
5370 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
5371
5372         * config/i386/i386.md (any_rotate): New code iterator.
5373         (rotate_insn): New code attribute.
5374         (rotate): Ditto.
5375         (SWIM124): New mode iterator.
5376         (<rotate_insn>ti3): New expander.
5377         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
5378         any_rotate code iterator.
5379         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
5380         using any_rotate code iterator and SWIM124 mode iterator.
5381         (ix86_rotlti3): New insn_and_split pattern.
5382         (ix86_rotrti3): Ditto.
5383         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
5384         ix86_rotl{di,ti}3 patterns.
5385         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
5386         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
5387         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
5388         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
5389         code iterator and SWI mode iterator.
5390         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
5391         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
5392         code iterator.
5393         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
5394         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
5395         (bswap rotatert splitter): Add splitter.
5396         (bswap splitter): Macroize splitter using any_rotate code iterator.
5397         Add insn predicate to split only for TARGET_USE_XCHGB or when
5398         optimizing function for size.
5399
5400 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
5401
5402         * config/pa/pa.c (emit_move_sequence): Remove use of
5403         deleted variable flag_argument_noalias.
5404
5405 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5406
5407         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
5408         configurations.
5409         Add to unsupported targets list.
5410         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
5411         sparc*-sun-solaris2.[567]* from target lists.
5412         * configure: Regenerate.
5413         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
5414         removal.
5415         Remove Solaris 7 patch references.
5416         (Specific, sparc-sun-solaris2.7): Removed.
5417         (sparc-sun-solaris2*): Update Solaris 7 example.
5418         (sparc64-*-solaris2*): Likewise.
5419
5420 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5421
5422         * config.build (alpha*-dec-osf4*): Remove.
5423         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
5424         of obsolete configurations.
5425         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
5426         support.
5427         * config/alpha/t-osf4: Renamed to ...
5428         * config/alpha/t-osf5: ... this.
5429         * config/alpha/osf.h: Renamed to ...
5430         * config/alpha/osf5.h: ... this.
5431         Merged old osf5.h contents.
5432         Update comments.
5433         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
5434         (EXTRA_SPECS): Removed.
5435         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
5436         reflect removal of Tru64 UNIX V4.0/V5.0 support.
5437         Document that.
5438
5439 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5440
5441         * doc/contrib.texi (Contributors, Rainer Orth): Update.
5442
5443 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
5444
5445         PR/43702
5446         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
5447         __thiscall convention.
5448
5449 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
5450
5451         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
5452         orig_base.
5453         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
5454
5455 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
5456
5457         * function.c (assign_parms_initialize_all): Add unused attribute
5458         to fntype.
5459
5460 2010-04-12  Richard Guenther  <rguenther@suse.de>
5461
5462         * gsstruct.def (GSS_CALL): New.
5463         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
5464         * gimple.h: Include tree-ssa-alias.h.
5465         (struct gimple_statement_call): New.
5466         (union gimple_statement_struct_d): Add gimple_call member.
5467         (gimple_call_reset_alias_info): Declare.
5468         (gimple_call_use_set): New function.
5469         (gimple_call_clobber_set): Likewise.
5470         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
5471         * gimple.c (gimple_call_reset_alias_info): New function.
5472         (gimple_build_call_1): Call it.
5473         * lto-streamer-in.c (input_gimple_stmt): Likewise.
5474         * tree-inline.c (remap_gimple_stmt): Likewise.
5475         (expand_call_inline): Remove callused handling.
5476         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
5477         * tree-dfa.c (dump_variable): Likewise.
5478         * tree-parloops.c (parallelize_loops): Likewise.
5479         * tree-ssa.c (init_tree_ssa): Likewise.
5480         (delete_tree_ssa): Likewise.
5481         * tree-flow-inline.h (is_call_used): Remove.
5482         * tree-flow.h (struct gimple_df): Remove callused member.
5483         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
5484         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
5485         (ref_maybe_used_by_call_p_1): Simplify.
5486         (call_may_clobber_ref_p_1): Likewise.
5487         * tree-ssa-structalias.c (compute_points_to_sets): Set
5488         the call stmt used and clobbered sets.
5489         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
5490         (find_tail_calls): Verify the tail call.
5491
5492 2010-04-12  Richard Guenther  <rguenther@suse.de>
5493
5494         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
5495         single-iteration always-inline inlining.
5496         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
5497         (cgraph_decide_inlining): Do not handle always-inline specially.
5498         (try_inline): Remove always-inline cycle detection special case.
5499         Do not recurse on always-inlines.
5500         (cgraph_early_inlining): Do not iterate if not optimizing.
5501         (cgraph_gate_early_inlining): remove.
5502         (pass_early_inline): Run unconditionally.
5503         (gate_cgraph_decide_inlining): New function.
5504         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
5505         not inlining or optimizing.
5506         (cgraph_decide_inlining_of_small_functions): Also consider
5507         always-inline functions.
5508         (cgraph_default_inline_p): Return true for nodes which should
5509         disregard inline limits.
5510         (estimate_function_body_sizes): Assume zero size and time for
5511         nodes which are marked as disregarding inline limits.
5512         (cgraph_decide_recursive_inlining): Do not perform recursive
5513         inlining on always-inline nodes.
5514
5515 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
5516
5517         PR bootstrap/43699
5518         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
5519         for exprs satisfying handled_component_p.
5520
5521 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5522
5523         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
5524         non-constant aggregate elements.
5525
5526         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
5527         is a real initialization.
5528
5529 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
5530
5531         PR c/36774
5532         * c-decl.c (start_function): Move forward check for nested function.
5533
5534 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5535
5536         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
5537         * config/sh/sh.c: Include reload.h.
5538         (sh_legitimize_reload_address): New.
5539         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
5540         sh_legitimize_reload_address.
5541
5542 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
5543
5544         * config/sh/sh.md (*movqi_pop): New insn pattern.
5545         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
5546
5547 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
5548
5549         * config/i386/i386.md (any_shiftrt): New code iterator.
5550         (shiftrt_insn): New code attribute.
5551         (shiftrt): Ditto.
5552         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
5553         using any_shiftrt code iterator.
5554         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
5555         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
5556         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
5557         pattern from corresponding peephole2 patterns.
5558         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
5559         using any_shiftrt code iterator.
5560         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
5561         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
5562         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
5563         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
5564         *{ashr,lshr}<mode>3_cmp_zext.
5565         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
5566
5567 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
5568
5569         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
5570         scratch register.
5571         (*lshr<mode>3_cconly): Ditto.
5572
5573 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
5574
5575         * config/i386/i386.md (lshr<mode>3): Macroize expander from
5576         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
5577         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
5578         pattern from *lshr{di,ti}3_1 and corresponding splitters using
5579         DWI mode iterator.
5580         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
5581         from corresponding peephole2 patterns.
5582         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
5583         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
5584         and *lshrdi3_1_rex64 using SWI mode iterator.
5585         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
5586         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
5587         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
5588         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
5589         and *lshrdi3_cmp_rex64 using SWI mode iterator.
5590         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
5591         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
5592         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
5593         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
5594         SWI mode iterator.
5595
5596 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
5597
5598         * config/i386/i386.md (ashr<mode>3): Macroize expander from
5599         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
5600         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
5601         pattern from *ashr{di,ti}3_1 and corresponding splitters using
5602         DWI mode iterator.
5603         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
5604         from corresponding peephole2 patterns.
5605         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
5606         (ashrsi3_cvt): Rename from ashrsi3_31.
5607         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
5608         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
5609         and x86_64_shift_adj_3 using SWI48 mode iterator.
5610         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
5611         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
5612         and *ashrdi3_1_rex64 using SWI mode iterator.
5613         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
5614         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
5615         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
5616         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
5617         and *ashrdi3_cmp_rex64 using SWI mode iterator.
5618         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
5619         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
5620         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
5621         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
5622         SWI mode iterator.
5623         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
5624         * config/i386/i386.c (ix86_split_ashr): Update for renamed
5625         x86_shift<mode>_adj_3 expanders.
5626
5627 2010-04-10  Wei Guozhi  <carrot@google.com>
5628
5629         PR target/42601
5630         * config/arm/arm.c (arm_pic_static_addr): New function.
5631         (legitimize_pic_address): Call arm_pic_static_addr when it detects
5632         a static symbol.
5633         (arm_output_addr_const_extra): Output expression for new pattern.
5634         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
5635
5636 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
5637
5638         * ira-costs.c (record_reg_classes): Ignore alternatives that are
5639         not enabled.
5640
5641         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
5642         * web.c: Include "insn-config.h" and "recog.h".
5643         (union_match_dups): New function.
5644         (web_main): Call it.
5645         (union_defs): Don't try to recognize match_dups.
5646
5647         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
5648         if doing so would replace the entire pattern.
5649
5650 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
5651
5652         PR target/43707
5653         PR target/43709
5654         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
5655         and splitter pattern.  Change splitter operand 1 predicate to
5656         nonmemory_operand.
5657
5658 2010-04-09  Martin Jambor  <mjambor@suse.cz>
5659
5660         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
5661         lattices are addresses of CONST_DECLs with the same initial value.
5662         (ipcp_print_all_lattices): Print values of CONST_DECLs.
5663         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
5664
5665 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
5666             Bernd Schmidt  <bernds@codesourcery.com>
5667
5668         * loop-invariant.c (replace_uses): New static function.
5669         (move_invariant_reg): Use it to ensure we can replace the uses.
5670
5671 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
5672
5673         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
5674         function template.
5675         (picochip_override_options): Enable section anchors only above -O1.
5676         (picochip_reorg): Fixed a couple of build warnings.
5677
5678 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5679
5680         * configure.ac (plugin -rdynamic test): Log result.
5681         * configure: Regenerate.
5682         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
5683         (RDYNAMIC_SPEC): Define.
5684         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
5685
5686 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5687
5688         * configure.ac: Determine Sun ld version numbers.
5689         (comdat_group): Restrict GNU ld version checks to gld.
5690         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
5691         (enable_comdat): Support --enable-comdat.
5692         * configure: Regenerate.
5693         * doc/install.texi (Configuration): Document --enable-comdat.
5694
5695 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5696
5697         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
5698         * config/sol2-gld.h: ... here.
5699         * config.gcc (sparc*-*-solaris2*): Reflect this.
5700         (i[34567]86-*-solaris2*): Use it.
5701
5702 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
5703
5704         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
5705         setup_clocks_p.
5706         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
5707
5708 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5709
5710         PR 42965
5711         * diagnostic.c (diagnostic_initialize): Initialize
5712         some_warnings_are_errors.
5713         (diagnostic_finish): New.
5714         (diagnostic_action_after_output): Call it before exiting.
5715         (diagnostic_report_diagnostic): Do not print message here. Set
5716         some_warnings_are_errors.
5717         * diagnostic.h (diagnostic_context): Delete
5718         issue_warnings_are_errors_message. Add some_warnings_are_errors.
5719         (diagnostic_finish): Declare.
5720         * toplev.c (toplev_main): Call it before exit.
5721
5722 2010-04-09  Jason Merrill  <jason@redhat.com>
5723
5724         PR c++/42623
5725         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
5726         for incomplete type.
5727
5728         PR c++/41788
5729         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
5730         based on a warning flag.
5731
5732 2010-04-09  Richard Guenther  <rguenther@suse.de>
5733
5734         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
5735
5736 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
5737
5738         PR bootstrap/43684
5739         * varasm.c (default_assemble_visibility): Wrap vars that are
5740         set, but unused, by targets without GAS.
5741         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
5742         Remove set, but unused, vars.
5743         (rs6000_legitimize_tls_address): Likewise.
5744         (altivec_expand_dst_builtin): Likewise.
5745         * config/darwin.c (machopic_classify_symbol): Likewise.
5746         (machopic_indirection_name): Likewise.
5747
5748 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
5749
5750         * config/i386/i386.md (DWI): New mode iterator.
5751         (S): New mode attribute.
5752         (shift_operand): Ditto.
5753         (shift_immediate_operand): Ditto.
5754         (ashl_input_operand): Ditto.
5755         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
5756         using SDWIM mode iterator.
5757         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
5758         pattern from *ashl{di,ti}3_1 and corresponding splitters using
5759         DWI mode iterator.
5760         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
5761         from corresponding peephole2 patterns.
5762         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
5763         and x86_64_shift_adj_1 using SWI48 mode iterator.
5764         (x86_shift<mode>_adj_2): Ditto.
5765         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
5766         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
5767         using SWI48 mode iterator.
5768         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
5769         *ashldi3_cmp_rex64 using SWI mode iterator.
5770         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
5771         *ashldi3_cconly_rex64 using SWI mode iterator.
5772         * config/i386/i386.c (ix86_split_ashl): Update for renamed
5773         x86_shift<mode>_adj_{1,2}.
5774         (ix86_split_ashr): Ditto.
5775         (ix86_split_lshr): Ditto.
5776
5777 2010-04-09  Richard Guenther  <rguenther@suse.de>
5778
5779         * target.h (builtin_conversion): Pass in input and output types.
5780         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
5781         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
5782         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
5783         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
5784
5785         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
5786         Handle AVX modes.
5787         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
5788
5789 2010-04-09  Richard Guenther  <rguenther@suse.de>
5790
5791         PR target/43152
5792         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
5793
5794 2010-04-09  Richard Guenther  <rguenther@suse.de>
5795
5796         * tree-vectorizer.h (struct _stmt_vec_info): Document
5797         that vectype is the type of the LHS.
5798         (supportable_widening_operation, supportable_narrowing_operation):
5799         Get both input and output vector types as arguments.
5800         (vect_is_simple_use_1): Declare.
5801         (get_same_sized_vectype): Likewise.
5802         * tree-vect-loop.c (vect_determine_vectorization_factor):
5803         Set STMT_VINFO_VECTYPE to the vector type of the def.
5804         (vectorizable_reduction): Adjust.
5805         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
5806         Adjust.  Specify the output vector type.
5807         (vect_pattern_recog_1): Adjust.
5808         * tree-vect-stmts.c (get_same_sized_vectype): New function.
5809         (vectorizable_call): Adjust.
5810         (vectorizable_conversion): Likewise.
5811         (vectorizable_operation): Likewise.
5812         (vectorizable_type_demotion): Likewise.
5813         (vectorizable_type_promotion): Likewise.
5814         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
5815         the def.
5816         (vect_is_simple_use_1): New function.
5817         (supportable_widening_operation): Get both input and output
5818         vector types.
5819         (supportable_narrowing_operation): Likewise.
5820         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
5821
5822 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
5823
5824         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
5825         __thiscall and _thiscall as predefined macros.
5826         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
5827         thiscall attribute handling.
5828         (ix86_comp_type_attributes): Likewise.
5829         (ix86_function_regparm): Likewise.
5830         (ix86_return_pops_args): Likewise.
5831         (init_cumulative_args): Likewise.
5832         (find_drap_reg): Likewise.
5833         (ix86_static_chain): Likewise.
5834         (x86_this_parameter): Likewise.
5835         (x86_output_mi_thunk): Likewise.
5836         (ix86_attribute_table): Add description for thiscall attribute.
5837         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
5838         * doc/extend.texi: Add documentation for thiscall.
5839
5840 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5841
5842         PR c++/28584
5843         * c.opt (Wint-to-pointer-cast): Available in C++.
5844         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
5845
5846 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
5847
5848         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
5849         * calls.c (expand_call): Pass the function type to aggregate_value_p.
5850         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
5851         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
5852         function type instead.  Reorder and simplify checks.
5853
5854         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
5855
5856 2010-04-08  Jing Yu  <jingyu@google.com>
5857             Zdenek Dvorak  <ook@ucw.cz>
5858
5859         PR tree-optimization/42720
5860         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
5861         loop unswitch conditions here from ...
5862         (tree_unswitch_single_loop): ... here.
5863
5864 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5865
5866         * tree-if-conv.c: Fix comments and simplify logic.
5867
5868 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5869
5870         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
5871         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
5872         (main_tree_if_conversion): Update call to tree_if_conversion.
5873
5874 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5875
5876         PR 42485
5877         * doc/invoke.texi (-b,-V): Delete.
5878         * doc/tm.texi: Do not mention -b.
5879         * gcc.c (display_help): Delete -b and -V.
5880         (process_command): Delete -b and -V.
5881         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
5882
5883 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
5884             Wolfgang Gellerich  <gellerich@de.ibm.com>
5885
5886         Implement target hook for loop unrolling
5887         * target.h (loop_unroll_adjust): Add a new target hook function.
5888         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
5889         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
5890         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
5891         (s390_loop_unroll_adjust): Implement the new target hook for s390.
5892         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
5893         target hook.
5894         (decide_unroll_stupid): Likewise.
5895
5896 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5897
5898         PR target/43643
5899         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
5900
5901 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5902
5903         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
5904         (Specific, *-*-solaris2*): Likewise.
5905         Don't prefer Sun as over GNU as.
5906
5907 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
5908
5909         * config/s390/s390.c (override_options): Adjust the z10 defaults
5910         for max-unroll-times, max-completely-peeled-insns
5911         and max-completely-peel-times.
5912
5913 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5914
5915         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
5916         instructions for z10.
5917         (s390_expand_setmem): Likewise.
5918         (s390_expand_cmpmem): Likewise.
5919
5920 2010-04-08  Richard Guenther  <rguenther@suse.de>
5921
5922         PR tree-optimization/43679
5923         * tree-ssa-pre.c (eliminate): Only propagate copies.
5924
5925 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
5926
5927         PR bootstrap/43681
5928         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
5929         set but not used variable warning.
5930
5931 2010-04-08  Wei Guozhi  <carrot@google.com>
5932
5933         PR target/41653
5934         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
5935         (arm_size_rtx_costs): Call the new function when optimized for size.
5936
5937 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
5938
5939         PR debug/43670
5940         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
5941         op0 is not a MEM, just return NULL instead of assertion
5942         failure.
5943         (discover_nonconstant_array_refs): Don't walk debug stmts.
5944
5945 2010-04-08  Doug Kwan  <dougkwan@google.com>
5946
5947         * configure.ac: Recognize gold and do not use its version number
5948         to test ld features.
5949         * configure: Regenerate.
5950
5951 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
5952
5953         PR middle-end/40815
5954         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
5955         (negate_value): Move code to push elements to broken_up_substracts ...
5956         (eliminate_plus_minus_pair): ... here.  Push operands that have no
5957         negative pair to plus_negates.
5958         (repropagate_negates, init_reassoc, fini_reassoc): Update.
5959
5960 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5961
5962         * doc/install.texi (Configuration): Move description of
5963         --enable-lto, --with-libelf*, --enable-gold from Java section to
5964         general section.
5965
5966         * doc/generic.texi (Working with declarations)
5967         (Function Properties, C and C++ Trees): Fix typos.
5968         * doc/sourcebuild.texi (Top Level): Likewise.
5969
5970 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
5971
5972         PR c/18624
5973         * tree.h (DECL_READ_P): Define.
5974         (struct tree_decl_common): Add decl_read_flag.
5975         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
5976         a set but not used warning.
5977         (merge_decls): Merge DECL_READ_P flag.
5978         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
5979         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
5980         * c-common.c (handle_used_attribute, handle_unused_attribute):
5981         Likewise.
5982         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
5983         New prototypes.
5984         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
5985         New functions.
5986         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
5987         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
5988         c_parser_binary_expression, c_parser_cast_expression,
5989         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
5990         Call default_function_array_read_conversion instead of
5991         default_function_array_conversion where needed.
5992         (c_parser_unary_expression, c_parser_conditional_expression,
5993         c_parser_postfix_expression_after_primary, c_parser_initelt):
5994         Likewise.  Call mark_exp_read where needed.
5995         (c_parser_statement_after_labels, c_parser_asm_operands,
5996         c_parser_typeof_specifier, c_parser_sizeof_expression,
5997         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
5998         where needed.
5999         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
6000         New.
6001         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
6002         (warn_unused_but_set_parameter): Default to warn_unused
6003         && extra_warnings.
6004         * doc/invoke.texi: Document -Wunused-but-set-variable and
6005         -Wunused-but-set-parameter.
6006
6007         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
6008         used count variable.
6009         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
6010         when operandN variables aren't used in the body of the expander
6011         or splitter.
6012         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
6013         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
6014         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
6015         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
6016         FOR_EACH_IMM_USE_ON_STMT): Likewise.
6017         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
6018         * tree.c (PROCESS_ARG): Likewise.
6019
6020 2010-04-07  Simon Baldwin  <simonb@google.com>
6021
6022         * diagnostic.h (diagnostic_override_option_index): New macro to
6023         set a diagnostic's option_index.
6024         * c-tree.h (c_cpp_error): Add warning reason argument.
6025         * opts.c (_warning_as_error_callback): New.
6026         (register_warning_as_error_callback): Store callback for
6027         warnings enabled via enable_warning_as_error.
6028         (enable_warning_as_error): Call callback, minor code tidy.
6029         * opts.h (register_warning_as_error_callback): Declare.
6030         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
6031         response to -Werror=.
6032         (c_common_init_options): Register warning_as_error_callback in opts.c.
6033         * common.opt: Add -Wno-cpp option.
6034         * c-common.c (struct reason_option_codes_t): Map cpp warning
6035         reason codes to gcc option indexes.
6036         * (c_option_controlling_cpp_error): New function, lookup the gcc
6037         option index for a cpp warning reason code.
6038         * (c_cpp_error): Add warning reason argument, call
6039         c_option_controlling_cpp_error for diagnostic_override_option_index.
6040         * doc/invoke.texi: Document -Wno-cpp.
6041
6042 2010-04-07  Richard Guenther  <rguenther@suse.de>
6043
6044         * ipa-reference.c (mark_load): Use get_base_address.
6045         (mark_store): Likewise.
6046
6047         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
6048         inserting GIMPLE_NOPs into the IL.
6049         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6050         Explicitly strip handled components and indirect references.
6051
6052         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
6053         folding address expressions.
6054         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
6055         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
6056         operand_equal_p to compare decls.
6057         (ptr_deref_may_alias_decl_p): Likewise.
6058         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
6059         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
6060         Handle reversed comparison ops.
6061         * tree-sra.c (asm_visit_addr): Use get_base_address.
6062         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
6063         * ipa-reference.c (mark_address): Use get_base_address.
6064
6065 2010-04-07  Richard Guenther  <rguenther@suse.de>
6066
6067         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
6068         Propagate constants everywhere.
6069
6070 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
6071
6072         PR debug/43516
6073         * tree.c (MAX_INT_CACHED_PREC): Define.
6074         (nonstandard_integer_type_cache): New array.
6075         (build_nonstandard_integer_type): Cache results for precision
6076         <= MAX_INT_CACHED_PREC.
6077
6078 2010-04-07  Richard Guenther  <rguenther@suse.de>
6079
6080         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
6081         -fargument-noalias-global, -fargument-noalias-anything): Remove.
6082         * common.opt: Likewise.
6083         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
6084         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
6085         (nonoverlapping_memrefs_p): Likewise.
6086         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6087         * opts.c (common_handle_option): Handle OPT_fargument_alias,
6088         OPT_fargument_noalias, OPT_fargument_noalias_anything and
6089         OPT_fargument_noalias_global for backward compatibility.
6090
6091 2010-04-07  Richard Guenther  <rguenther@suse.de>
6092
6093         PR tree-optimization/43270
6094         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
6095         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
6096         * tree-ssa-pre.c (phi_translate_1): Adjust.
6097         (fully_constant_expression): Split out vn_reference handling to ...
6098         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
6099         Fold reads from constant strings.
6100         (vn_reference_lookup): Handle fully constant references.
6101         (vn_reference_lookup_pieces): Likewise.
6102         * Makefile.in (expmed.o-warn): Add -Wno-error.
6103
6104 2010-04-07  Martin Jambor  <mjambor@suse.cz>
6105
6106         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
6107
6108 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
6109
6110         PR driver/41594
6111         * gcc.c: Add -static-libstdc++ to list of recognized options.
6112
6113 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6114
6115         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
6116
6117 2010-04-07  Richard Guenther  <rguenther@suse.de>
6118
6119         PR middle-end/42617
6120         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
6121         bases build simple mem attributes to retain points-to information.
6122
6123 2010-04-07  Richard Guenther  <rguenther@suse.de>
6124
6125         PR middle-end/42617
6126         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
6127         preserve points-to related information.
6128
6129 2010-04-07  Richard Guenther  <rguenther@suse.de>
6130
6131         PR middle-end/42617
6132         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
6133         discard plain indirect references.
6134         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
6135         * tree.c (tree_nop_conversion): Likewise.
6136
6137 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
6138
6139         PR debug/43628
6140         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
6141
6142 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
6143
6144         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
6145         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
6146
6147 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6148
6149         * tree-if-conv.c: Fix indentation and comments.
6150
6151 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6152
6153         * tree-if-conv.c: Sort static functions in topological order.
6154
6155 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6156
6157         * tree-if-conv.c: Fix indentation and comments.
6158
6159 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6160
6161         PR middle-end/43519
6162         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
6163         lang_hooks.types.type_for_size instead of
6164         build_nonstandard_integer_type.
6165         When converting an unsigned type to signed, double its precision.
6166         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
6167         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
6168         (graphite_create_new_loop_guard): When ub + 1 wraps around,
6169         use lb <= ub.
6170
6171 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6172
6173         PR middle-end/43519
6174         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
6175         POINTER_PLUS_EXPR for pointer types.
6176
6177 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6178
6179         PR middle-end/43519
6180         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
6181         * graphite-clast-to-gimple.c: Include langhooks.h.
6182         (max_signed_precision_type): New.
6183         (max_precision_type): Takes two types as arguments.
6184         (precision_for_value): New.
6185         (precision_for_interval): New.
6186         (gcc_type_for_interval): New.
6187         (gcc_type_for_value): New.
6188         (gcc_type_for_clast_term): New.
6189         (gcc_type_for_clast_red): New.
6190         (gcc_type_for_clast_bin): New.
6191         (gcc_type_for_clast_expr): Split up into several functions.
6192         (gcc_type_for_clast_eq): Rewritten.
6193         (compute_bounds_for_level): New.
6194         (compute_type_for_level_1): New.
6195         (compute_type_for_level): New.
6196         (gcc_type_for_cloog_iv): Removed.
6197         (gcc_type_for_iv_of_clast_loop): Rewritten.
6198         (graphite_create_new_loop): Compute the lower and upper bound types
6199         with gcc_type_for_clast_expr.
6200         (graphite_create_new_loop_guard): Same.
6201         (find_cloog_iv_in_expr): Removed.
6202         (compute_cloog_iv_types_1): Removed.
6203         (compute_cloog_iv_types): Removed.
6204         (gloog): Do not call compute_cloog_iv_types.
6205         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
6206         GBB_CLOOG_IV_TYPES.
6207         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
6208         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
6209         (GBB_CLOOG_IV_TYPES): Removed.
6210
6211 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6212
6213         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
6214         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
6215         (detect_commutative_reduction): Same.
6216
6217 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6218
6219         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
6220         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
6221         argument.
6222         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
6223         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
6224         (rewrite_commutative_reductions_out_of_ssa): Same.
6225         * passes.c (execute_function_todo): Call verify_ssa for every pass
6226         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
6227         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
6228         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
6229         with an extra argument.
6230         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
6231         verify_ssa only when the extra argument is true.
6232         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
6233         with an extra argument.
6234         (tree_transform_and_unroll_loop): Same.
6235
6236 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6237
6238         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
6239         for all the passes of the LNO having LOOP_CLOSED_SSA.
6240         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
6241         * tree-loop-distribution.c (pass_loop_distribution): Same.
6242         * tree-pass.h (TODO_verify_loops): Removed.
6243         * tree-ssa-loop.c (pass_tree_loop_init): Same.
6244         (pass_lim): Same.
6245         (pass_tree_unswitch): Same.
6246         (pass_predcom): Same.
6247         (pass_vectorize): Same.
6248         (pass_linear_transform): Same.
6249         (pass_graphite_transforms): Same.
6250         (pass_iv_canon): Same.
6251         (pass_complete_unroll): Same.
6252         (pass_complete_unrolli): Same.
6253         (pass_parallelize_loops): Same.
6254         (pass_loop_prefetch): Same.
6255         (pass_iv_optimize): Same.
6256
6257 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
6258
6259         PR middle-end/32824
6260         * passes.c (init_optimization_passes): Move pass_lim before
6261         pass_copy_prop and pass_dce_loop.
6262
6263 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
6264
6265         PR target/43667
6266         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
6267         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
6268         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
6269         MULTI_* defines for 4 argument vpermil2p* builtins.
6270
6271 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
6272
6273         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
6274         * config/i386/i386.c (x86_maybe_negate_const_int): New.
6275         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
6276         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
6277         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
6278         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
6279         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
6280         Use x86_maybe_negate_const_int to output insn mnemonic.
6281         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
6282         check from instruction predicate.  Update comments.
6283         * config/i386/sync.md (sync_add<mode>): Use
6284         x86_maybe_negate_const_int to output insn mnemonic.
6285
6286 2010-04-06  Jan Hubicka  <jh@suse.cz>
6287
6288         PR tree-optimization/42906
6289         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
6290         IGNORE_SELF argument.  Set visited_control_parents for fully
6291         processed BBs.
6292         (find_obviously_necessary_stmts): Update call of
6293         mark_control_dependent_edges_necessary.
6294         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
6295
6296 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
6297
6298         * config/i386/i386.md: Remove comment about 'e' and 'E'
6299         operand modifier.
6300
6301 2010-04-06  Richard Guenther  <rguenther@suse.de>
6302
6303         PR tree-optimization/43627
6304         * tree-vrp.c (extract_range_from_unary_expr): Widenings
6305         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
6306         not varying.
6307
6308 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
6309
6310         * BASE-VER: Change to 4.6.0.
6311
6312         PR target/43638
6313         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
6314         handling.
6315
6316 2010-04-06  Richard Guenther  <rguenther@suse.de>
6317
6318         PR middle-end/43661
6319         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
6320
6321 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6322
6323         * doc/invoke.texi (Optimize Options): Document that LTO
6324         won't remove object access purely due to incompatible
6325         declarations.
6326
6327 2010-04-04  Matthias Klose  <doko@ubuntu.com>
6328
6329         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
6330         Initialize variable.
6331
6332 2010-04-03  Richard Guenther  <rguenther@suse.de>
6333
6334         PR middle-end/42509
6335         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
6336         require a non-NULL MEM_OFFSET.
6337
6338 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
6339
6340         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
6341         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
6342         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
6343         config/alpha/predicates.md, config/arm/arm.md,
6344         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
6345         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
6346         config/darwin9.h, config/darwin.c, config/darwin.h,
6347         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
6348         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
6349         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
6350         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
6351         config/mips/mips.md, config/mn10300/mn10300.c,
6352         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
6353         config/rs6000/aix.h, config/rs6000/dfp.md,
6354         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
6355         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
6356         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
6357         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
6358         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
6359         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
6360         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
6361         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
6362         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
6363         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
6364         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
6365         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
6366         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
6367         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
6368         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
6369         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
6370         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
6371         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
6372         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
6373         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
6374         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
6375         opt-functions.awk, opth-gen.awk, params.def, passes.c,
6376         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
6377         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
6378         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
6379         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
6380         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
6381         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
6382         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
6383         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
6384         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
6385         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
6386         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
6387         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
6388         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
6389         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
6390
6391 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6392
6393         PR other/43620
6394         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
6395         * aclocal.m4: Regenerate.
6396
6397 2010-04-02  Richard Guenther  <rguenther@suse.de>
6398
6399         PR tree-optimization/43629
6400         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
6401         if we have seen a constant value.
6402
6403 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
6404
6405         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
6406
6407 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
6408
6409         PR target/43469
6410         * arm.c (legitimize_tls_address): Adjust call to
6411         gen_tls_load_dot_plus_four.
6412         (arm_note_pic_base): New function.
6413         (arm_cannot_copy_insn_p): Use it.
6414         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
6415         constraint.
6416
6417 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6418
6419         PR bootstrap/43531
6420
6421         Revert:
6422         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6423
6424         * Makefile.in ($(out_object_file)): Depend on
6425         gt-$(basename $(notdir $(out_file))).h.
6426
6427 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
6428
6429         * config.gcc (lm32-*-rtems*): Add t-lm32.
6430
6431 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
6432
6433         * config.gcc: Add lm32-*-rtems*.
6434         * config/lm32/rtems.h: New file.
6435
6436 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
6437
6438         PR target/42609
6439         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
6440
6441 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
6442
6443         * dwarf2out.c (output_compilation_unit_header): For
6444         -gdwarf-4 use version 4 instead of version 3.
6445         (output_line_info): For version 4 and above emit additional
6446         maximum ops per insn header field.
6447         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
6448
6449         * dwarf2out.c (is_c_family, is_java): Remove.
6450         (lower_bound_default): New function.
6451         (add_bound_info, gen_descr_array_type_die): Use it.
6452
6453 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
6454
6455         PR debug/43325
6456         * dwarf2out.c (gen_variable_die): Allow debug info for variable
6457         re-declaration when it happens in a function.
6458
6459 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
6460
6461         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
6462         (cgraph_remove_function_insertion_hook): Same.
6463         (cgraph_call_function_insertion_hooks): Same.
6464
6465 2010-04-01  Richard Guenther  <rguenther@suse.de>
6466
6467         PR middle-end/43614
6468         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
6469         and TREE_THIS_VOLATILE.
6470         (copy_ref_info): Likewise.
6471         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
6472         * tree.c (build6_stat): Ignore side-effects of all but arg5
6473         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
6474         TARGET_MEM_REF.
6475
6476 2010-04-01  Richard Guenther  <rguenther@suse.de>
6477
6478         PR tree-optimization/43607
6479         * ipa-type-escape.c (check_call): Do not access non-existing
6480         arguments.
6481
6482 2010-04-01  Richard Guenther  <rguenther@suse.de>
6483
6484         PR middle-end/43602
6485         Revert
6486         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
6487                     Jack Howarth <howarth@bromo.med.uc.edu>
6488
6489         * tree-profile.c (tree_init_ic_make_global_vars): Make static
6490         variables TLS.
6491
6492 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6493
6494         * doc/install.texi (Prerequisites): Document libelf usability on
6495         IRIX 5/6 and Solaris 2.
6496         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
6497         Update GNU as, GNU ld requirements.
6498         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
6499         Document Sun Studio compiler download.
6500         Update and simplify as, ld recommendations.
6501         (Specific, *-*-solaris2.7): Note obsoletion, removal.
6502
6503 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6504
6505         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
6506         with_tune_32 to pentium4.
6507
6508 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
6509
6510         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
6511
6512 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6513
6514         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
6515         obsoletion, removal.
6516         Update IDO URL.
6517         Document GNU as requirement.
6518         Update configure requirements.
6519         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
6520         Recomment IRIX 6.5.18+.
6521         Document IDF/IDL requirement.
6522         Document GNU as requirement.
6523         Document GNU ld bootstrap failure.
6524         Remove freeware.sgi.com reference.
6525
6526 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6527
6528         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
6529         UNIX V4.0, V5.0 obsoletion, removal.
6530         Remove --with-gc=simple reference.
6531         Update VM requirements during bootstrap.
6532         Remove -oldas bootstrap description.
6533         Update binutils reference.
6534         Remove comparison failure note.
6535
6536 2010-03-31  Richard Guenther  <rguenther@suse.de>
6537             Zdenek Dvorak  <ook@ucw.cz>
6538             Sebastian Pop  <sebastian.pop@amd.com>
6539
6540         PR middle-end/43464
6541         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
6542         with multiple arguments.
6543         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
6544
6545 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6546
6547         * graphite-dependences.c (print_pddr): Call print_pdr with an
6548         extra argument.
6549         * graphite-poly.c (debug_pdr): Add an extra argument for the
6550         verbosity level.
6551         (print_pdr): Same.
6552         (print_pbb_domain): Same.
6553         (print_pbb): Same.
6554         (print_scop_context): Same.
6555         (print_scop): Same.
6556         (print_cloog): Same.
6557         (debug_pbb_domain): Same.
6558         (debug_pbb): Same.
6559         (print_pdrs): Same.
6560         (debug_pdrs): Same.
6561         (debug_scop_context): Same.
6562         (debug_scop): Same.
6563         (debug_cloog): Same.
6564         (print_scop_params): Same.
6565         (debug_scop_params): Same.
6566         (print_iteration_domain): Same.
6567         (print_iteration_domains): Same.
6568         (debug_iteration_domain): Same.
6569         (debug_iteration_domains): Same.
6570         (print_scattering_function): Same.
6571         (print_scattering_functions): Same.
6572         (debug_scattering_function): Same.
6573         (debug_scattering_functions): Same.
6574         * graphite-poly.h (debug_pdr): Update declaration.
6575         (print_pdr): Same.
6576         (print_pbb_domain): Same.
6577         (print_pbb): Same.
6578         (print_scop_context): Same.
6579         (print_scop): Same.
6580         (print_cloog): Same.
6581         (debug_pbb_domain): Same.
6582         (debug_pbb): Same.
6583         (print_pdrs): Same.
6584         (debug_pdrs): Same.
6585         (debug_scop_context): Same.
6586         (debug_scop): Same.
6587         (debug_cloog): Same.
6588         (print_scop_params): Same.
6589         (debug_scop_params): Same.
6590         (print_iteration_domain): Same.
6591         (print_iteration_domains): Same.
6592         (debug_iteration_domain): Same.
6593         (debug_iteration_domains): Same.
6594         (print_scattering_function): Same.
6595         (print_scattering_functions): Same.
6596         (debug_scattering_function): Same.
6597         (debug_scattering_functions): Same.
6598
6599 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6600
6601         * graphite-poly.c (print_scattering_function_1): New.
6602         (print_scattering_function): Call it.
6603         (print_scop_params): Remove spaces at the end of lines.
6604         (print_cloog): New.
6605         (debug_cloog): New.
6606         * graphite-poly.h (print_cloog): Declared.
6607         (debug_cloog): Declared.
6608
6609 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6610
6611         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
6612         in loop->header.
6613         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
6614         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
6615         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
6616         to switch between adding the IV bump in loop->latch or in loop->header.
6617
6618 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6619
6620         * graphite-poly.c (print_scattering_function): Pretty print following
6621         the scoplib format.
6622         (print_pdr): Same.
6623         (print_pbb_domain): Same.
6624         (dump_gbb_cases): Same.
6625         (dump_gbb_conditions): Same.
6626         (print_pdrs): Same.
6627         (print_pbb): Same.
6628         (print_scop_params): Same.
6629         (print_scop_context): Same.
6630         (print_scop): Same.
6631         (print_pbb_body): New.
6632         (lst_indent_to): New.
6633         (print_lst): Start new lines with a #.
6634         * graphite-poly.h (pbb_bb): New.
6635         (pbb_index): Use pbb_bb.
6636         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
6637         disjuncts.
6638         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
6639
6640 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
6641
6642         * dwarf2out.c (size_of_die): For -gdwarf-4 use
6643         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
6644         and 0 instead of 1 for dw_val_class_flag.
6645         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
6646         dw_val_class_range_list, dw_val_class_loc_list,
6647         dw_val_class_lineptr and dw_val_class_macptr, use
6648         DW_FORM_flag_present for dw_val_class_flag and
6649         DW_FORM_exprloc for dw_val_class_loc.
6650         (output_die): For -gdwarf-4 print dw_val_class_loc
6651         size as uleb128 instead of 1 or 2 bytes and don't print
6652         anything for dw_val_class_flag.
6653
6654         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
6655         instead of cselib_lookup following by tweaking locs->setting_insn.
6656
6657         PR bootstrap/43596
6658         * cselib.c (cselib_process_insn): Clear cselib_current_insn
6659         even before returning from label, setjmp call or volatile asm
6660         handling.
6661
6662 2010-03-31  Richard Guenther  <rguenther@suse.de>
6663
6664         PR middle-end/43600
6665         * cgraphunit.c (cgraph_output_in_order): Do not allocate
6666         temporary data on stack.
6667
6668 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6669
6670         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
6671         (PUSHSECTION_ASM_OP): Remove.
6672         (POPSECTION_ASM_OP): Remove.
6673         (PUSHSECTION_FORMAT): Remove.
6674         * config/sol2.h (PUSHSECTION_FORMAT): Define.
6675         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
6676         * config/sol2.c (solaris_output_init_fini): Use it.
6677
6678 2010-03-31  Jie Zhang  <jie@codesourcery.com>
6679
6680         PR 43574
6681         * opt-functions.awk (var_type_struct): Use signed char type
6682         for simple variables.
6683
6684 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6685
6686         * config/sol2.c: Include output.h.
6687         (solaris_assemble_visibility): New function.
6688         * config/t-sol2 (sol2.o): Add output.h dependency.
6689         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
6690         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
6691         Redefine.
6692
6693 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
6694
6695         PR target/43580
6696         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
6697         V2SImode or XFmode on PRE_DEC.
6698
6699         PR debug/43557
6700         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
6701         BLKmode.
6702
6703 2010-03-31  Jie Zhang  <jie@codesourcery.com>
6704
6705         PR 43562
6706         * reload.h (caller_save_initialized_p): Declare.
6707         * toplev.c (backend_init_target): Don't call
6708         init_caller_save but set caller_save_initialized_p to false.
6709         * caller-save.c (caller_save_initialized_p): Define.
6710         (init_caller_save): Check caller_save_initialized_p.
6711         * ira.c (ira): Call init_caller_save if flag_caller_saves.
6712
6713 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6714
6715         PR target/39048
6716         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
6717         and soft-fp/t-softfp to tmake_file.
6718         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
6719         (LIBGCC2_TF_CEXT): Define.
6720         (TF_SIZE): Define.
6721
6722 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
6723
6724         PR debug/42977
6725         * cselib.c (n_useless_values): Document handling of debug locs.
6726         (n_useless_debug_values, n_debug_values): New variables.
6727         (new_elt_loc_list): Don't add to debug values, keep count.
6728         (promote_debug_loc): New.
6729         (cselib_reset_table): Zero new variables.
6730         (entry_and_rtx_equal_p): Promote debug locs.
6731         (discard_useless_locs): Increment n_useless_debug_values for
6732         debug values.
6733         (remove_useless_values): Adjust n_useless_values and n_debug_values
6734         with n_useless_debug_values.
6735         (add_mem_for_addr): Promote debug locs.
6736         (cselib_lookup_mem): Likewise.
6737         (cselib_lookup_addr): Renamed to...
6738         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
6739         (cselib_log_lookup): ... this.  Turn into...
6740         (cselib_lookup_addr): ... new wrapper.
6741         (cselib_lookup_from_insn): New.
6742         (cselib_invalidate_regno): Increment n_useless_debug_values for
6743         debug values.
6744         (cselib_invalidate_mem): Likewise.
6745         (cselib_process_insn): Take n_deleted and n_debug_values into
6746         account to guard remove_useless_value call.
6747         (cselib_finish): Zero n_useless_debug_values.
6748         * cselib.h (cselib_lookup_from_insn): Declare.
6749         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
6750         (sched_analyze_2): Likewise.
6751
6752 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
6753
6754         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
6755         functions.
6756         (adjust_mems): Replace narrowing SUBREG of expression containing
6757         just PLUS, MINUS, MULT and ASHIFT of registers and constants
6758         with operations in the narrower mode.
6759
6760         PR debug/43593
6761         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
6762         regs_invalidated_by_call instead all call_used_reg_set registers.
6763
6764 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6765
6766         PR middle-end/43430
6767         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
6768         pointer comparisons with types_compatible_p.
6769         * tree-vect-stmts.c (vectorizable_call): Same.
6770         (vectorizable_condition): Same.
6771
6772 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6773
6774         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
6775         stack check if the mask would be zero.
6776
6777 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
6778             Jack Howarth <howarth@bromo.med.uc.edu>
6779
6780         * tree-profile.c (tree_init_ic_make_global_vars): Make static
6781         variables TLS.
6782
6783 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
6784
6785         PR other/25232
6786         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
6787         and __unordtf2.
6788         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
6789         Include ___unordxf2 and ___unordtf2.
6790         * config/i386/libgcc-glibc.ver: Do not define inheritance from
6791         GCC_4.4.0 here.
6792
6793 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
6794
6795         * config/lm32/t-lm32: New file.
6796         * config.gcc: Use the above file when targetting lm32.
6797
6798 2010-03-28  Duncan Sands  <baldrick@free.fr>
6799
6800         * Makefile.in (PLUGIN_HEADERS): Add except.h.
6801
6802 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
6803
6804         PR middle-end/43431
6805         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
6806         Improve vectorization cost model diagnostic.
6807
6808 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
6809
6810         PR middle-end/43436
6811         * tree-vect-data-refs.c (vect_analyze_data_refs): When
6812         compute_data_dependences_for_loop returns false, early exit
6813         and output an extra diagnostic for the failed data reference
6814         analysis.
6815
6816 2010-03-29  Richard Guenther  <rguenther@suse.de>
6817
6818         PR tree-optimization/43560
6819         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
6820         (can_sm_ref_p): Treat stores to readonly locations as trapping.
6821
6822 2010-03-29  Jie Zhang  <jie@codesourcery.com>
6823
6824         PR 43564
6825         * toplev.c (process_options): Set optimization_default_node
6826         and optimization_current_node.
6827         * opts.c (decode_options): Don't set optimization_default_node
6828         and optimization_current_node.
6829
6830 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
6831
6832         * config/rtems.h: Abandon -qrtems_debug.
6833
6834 2010-03-28  Jan Hubicka  <jh@suse.cz>
6835
6836         PR tree-optimization/43505
6837         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
6838         map should not be copied.
6839
6840 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6841
6842         PR middle-end/41674
6843         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
6844         cdtors, set DECL_PRESERVE_P.
6845         * ipa.c (cgraph_externally_visible_p): Return true if declaration
6846         should be preseved.
6847
6848 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
6849
6850         PR tree-optimization/43528
6851         * stor-layout.c (place_field): Check that constant fits into
6852         unsigned HWI when skipping calculation of MS bitfield layout.
6853
6854 2010-03-27  Jan Hubicka  <jh@suse.cz>
6855
6856         PR middle-end/43391
6857         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
6858         notice_global_symbol work.
6859
6860 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
6861
6862         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
6863         instead of dwarf2out_decl.
6864         (struct var_loc_node): Remove section_label field.
6865         (dwarf2out_function_decl): New function.
6866         (dwarf2out_var_location): Don't set section_label field.
6867         (dwarf2out_begin_function): Don't empty decl_loc_table here.
6868
6869 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
6870
6871         PR tree-optimization/43544
6872         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6873         First argument for builtin vectorized function hook is now a
6874         tree to be able to distinguish between machine specific and
6875         standard builtins.
6876         * targhooks.c (default_builtin_vectorized_function): Ditto.
6877         * targhooks.h (default_builtin_vectorized_function): Ditto.
6878         * target.h (struct gcc_target): Ditto.
6879         * tree-vect-stmts.c (vectorizable_function): Ditto.
6880         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
6881         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
6882         Ditto.
6883
6884 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
6885
6886         PR c/43381
6887         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
6888         nested binding iff it is a FUNCTION_DECL.
6889         (store_parm_decls_newstyle): Pass nested=true to bind for
6890         FUNCTION_DECLs amongst parameters.
6891
6892 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
6893
6894         * var-tracking.c (vt_expand_loc_callback): Don't run
6895         cselib_expand_value_rtx_cb in dummy mode if
6896         cselib_dummy_expand_value_rtx_cb returned false.
6897
6898         * var-tracking.c (emit_note_insn_var_location): For one part
6899         notes with offset 0, don't add EXPR_LIST around the location.
6900         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
6901         add_location_or_const_value_attribute): Adjust for that change.
6902
6903         PR debug/43540
6904         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
6905         into first operand and location into second.
6906         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
6907         dw_cfi_oprnd_loc for DW_CFA_expression.
6908         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
6909         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
6910         assume first argument is regnum and second argument is location.
6911
6912 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
6913
6914         PR target/42113
6915         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
6916         of scratch register to DImode.  Split to DImode comparison operator.
6917         Use SImode subreg of scratch register in the multiplication.
6918         (*cmp_sadd_sidi): Ditto.
6919         (*cmp_ssub_si): Ditto.
6920         (*cmp_ssub_sidi): Ditto.
6921
6922 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
6923
6924         PR target/43524
6925         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
6926         Remove invalid assert and wrong comment.
6927
6928 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
6929
6930         PR debug/43516
6931         * flags.h (final_insns_dump_p): New extern.
6932         * final.c (final_insns_dump_p): New variable.
6933         (rest_of_clean_state): Set it before -fdump-final-insns=
6934         dumping, clear afterwards.
6935         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
6936         MEM_ALIAS_SET on MEMs.
6937
6938 2010-03-26  David S. Miller  <davem@davemloft.net>
6939
6940         * configure.ac: Fix sparc GOTDATA_OP bug check.
6941         * configure: Rebuild.
6942
6943 2010-03-26  Alan Modra  <amodra@gmail.com>
6944
6945         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
6946
6947 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6948
6949         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
6950         TLS_SECTION_ASM_FLAG.
6951
6952 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
6953
6954         PR bootstrap/43511
6955         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
6956         Clear first_function_block_is_cold.
6957
6958         PR c/43385
6959         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
6960         argument if the argument is truth_value_p.
6961
6962 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6963
6964         * config/rs6000/constraints.md: Update copyright year for my changes.
6965
6966         PR target/43484
6967         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
6968         used in reg+reg addressing, swap registers.
6969
6970 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
6971
6972         PR debug/43293
6973         * target.h (struct gcc_target): Add code_end hook.
6974         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
6975         if not yet defined.
6976         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
6977         * toplev.c (compile_file): Call targetm.asm_out.code_end
6978         hook before unwind info/debug info output.
6979         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
6980         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
6981         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6982         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
6983         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6984         * config/i386/i386.c (ix86_file_end): Renamed to...
6985         (ix86_code_end): ... this.  Make static.  Don't call
6986         file_end_indicate_exec_stack.  Emit unwind info using
6987         final_start_function/final_end_function.
6988         (darwin_x86_file_end): Remove.
6989         (TARGET_ASM_CODE_END): Define.
6990         * config/i386/i386.h (TARGET_ASM_FILE_END,
6991         NEED_INDICATE_EXEC_STACK): Don't define.
6992         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
6993         (TARGET_ASM_FILE_END): Define to darwin_file_end.
6994         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
6995         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
6996
6997         PR target/43498
6998         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
6999         at the beginning and final_end_function at the end.
7000         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
7001
7002 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7003
7004         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
7005         and Sun as TLS syntax.
7006         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
7007         * configure: Regenerate.
7008         * config.in: Regenerate.
7009         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
7010         (default_elf_asm_named_section): Use it.
7011         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
7012         (i386_output_dwarf_dtprel): Likewise.
7013         (output_addr_const_extra): Likewise.
7014         (output_pic_addr_const): Lowercase @GOTTPOFF.
7015         (output_addr_const_extra): Likewise.
7016         (output_pic_addr_const): Lowercase @GOTNTPOFF.
7017         (output_addr_const_extra): Likewise.
7018         (output_pic_addr_const): Lowercase @INDNTPOFF.
7019         (output_addr_const_extra): Likewise.
7020         (output_pic_addr_const): Lowercase @NTPOFF.
7021         (output_addr_const_extra): Likewise.
7022         (output_pic_addr_const): Lowercase @TPOFF.
7023         (output_addr_const_extra): Likewise.
7024         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
7025         (*tls_global_dynamic_64): Likewise.
7026         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
7027         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
7028
7029         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
7030         (ASM_OUTPUT_TLS_COMMON): Use it.
7031         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
7032
7033         PR target/38118
7034         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
7035         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
7036         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
7037         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
7038         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
7039         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
7040
7041 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7042
7043         * config/i386/i386.c (override_options): Don't accept
7044         -mtls-dialect=sun any longer.
7045         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
7046         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
7047         (*tls_local_dynamic_base_32_sun): Likewise.
7048         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
7049
7050 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
7051
7052         PR debug/43508
7053         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7054         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
7055
7056         PR debug/43479
7057         * ira.c (adjust_cleared_regs): New function.
7058         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
7059
7060         PR debug/19192
7061         PR debug/43479
7062         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
7063         from gimple_block.
7064         * expr.c (expand_expr_real): Restore previous
7065         curr_insn_source_location and curr_insn_block after
7066         expand_expr_real_1 call.
7067         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
7068         instead of expand_expr_real_1.
7069
7070 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
7071
7072         PR rtl-optimization/43413
7073         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
7074         hard regs too.
7075
7076 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
7077
7078         PR target/43348
7079         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
7080         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
7081
7082 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
7083
7084         * config/i386/i386.c (ix86_target_string): Add -mfma.
7085         Fix a typo in comment.
7086
7087 2010-03-22  Mike Stump  <mikestump@comcast.net>
7088
7089         PR target/23071
7090         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
7091         Don't overly align based upon packed packed fields.
7092
7093 2010-03-22  Jason Merrill  <jason@redhat.com>
7094
7095         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
7096         Use () rather than [], and move before the element type.
7097
7098 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7099
7100         * doc/configfiles.texi (Configuration Files): Removed
7101         fixinc/Makefile*, intl/Makefile.*.
7102         * doc/makefile.texi: Fixed markup. Abstract from version
7103         control system used.
7104         (Makefile): Removed obsolete gcc/java/parse.y example.
7105         * doc/sourcebuild.texi: Likewise.
7106         (Top Level): Added config, gnattools, libdecnumber, libgcc,
7107         libgomp, libssp.  Removed fastjar.
7108         (Miscellaneous Docs): Clarify location.
7109         Added COPYING3, COPYING3.LIB.
7110         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
7111
7112 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7113
7114         PR target/38085
7115         * config/i386/i386.c (x86_function_profiler)
7116         [!NO_PROFILE_COUNTERS]: Fix typo.
7117         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
7118         instead of callq.
7119
7120 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
7121             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7122
7123         * doc/sourcebuild.texi (Test Directives): Split into six
7124         subsections, with most of the current text in new subsections
7125         Directives, Selectors, and Final Actions.
7126         (Directives): Split list of test directives into multiple
7127         subsubsections.
7128         (Selectors): Describe use and syntax of selectors.
7129         (Effective-Target Keywords): Describe all existing keywords.
7130         (Add Options): Describe features for dg-add-options.
7131         (Require Support): Describe variants of dg-require-support.
7132         (Final Actions): Describe commands to use in dg-final.
7133
7134 2010-03-22  Michael Matz  <matz@suse.de>
7135
7136         PR middle-end/43475
7137         * recog.c (validate_replace_rtx_group): Replace also in
7138         REG_EQUAL and REG_EQUIV notes.
7139
7140 2010-03-22  Richard Guenther  <rguenther@suse.de>
7141
7142         PR tree-optimization/43390
7143         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
7144         sure vector extracts are type correct.
7145
7146 2010-03-22  Richard Guenther  <rguenther@suse.de>
7147
7148         PR middle-end/40106
7149         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
7150         x * sqrt (x) even when optimizing for size if the target
7151         has native support for sqrt.
7152
7153 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
7154
7155         * varasm.c (make_decl_rtl_for_debug): Also clear
7156         flag_mudflap for the duration of make_decl_rtl call.
7157
7158         PR debug/43443
7159         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
7160         locs from preserved VALUEs.
7161
7162 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7163
7164         PR middle-end/42718
7165         * pa.md (movmemsi): Set align to one if zero.
7166         (movmemdi): Likewise.
7167
7168 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
7169
7170         PR target/42321
7171         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
7172         with their corresponding prologue pushes.
7173
7174 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
7175
7176         PR target/43156
7177         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
7178         at the begining or end.
7179         (spu_expand_epilogue): Likewise.
7180
7181 2010-03-20  Richard Guenther  <rguenther@suse.de>
7182
7183         PR rtl-optimization/43438
7184         * combine.c (make_extraction): Properly zero-/sign-extend an
7185         extraction of the low part of a CONST_INT.  Also handle
7186         CONST_DOUBLE.
7187
7188 2010-03-19  Mike Stump  <mikestump@comcast.net>
7189
7190         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
7191         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
7192         (override_options): Use SUBTARGET32_DEFAULT_CPU.
7193
7194 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
7195
7196         PR c/43211
7197         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
7198         an error.
7199
7200 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
7201
7202         PR rtl-optimization/42258
7203         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
7204         use that may match DEF.
7205
7206         PR target/40697
7207         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
7208         the cost of loading the constant rather than assuming
7209         COSTS_N_INSNS (1).
7210         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
7211         outer code is AND, do the same tests as the andsi3 expander and
7212         return COSTS_N_INSNS (1) if and is cheap.
7213
7214         * optabs.c (avoid_expensive_constant): Fix formatting.
7215
7216 2010-03-19  Michael Matz  <matz@suse.de>
7217
7218         PR c++/43116
7219         * attribs.c (decl_attributes): When rebuilding a function pointer
7220         type use the same qualifiers as the original pointer type.
7221
7222 2010-03-19  Martin Jambor  <mjambor@suse.cz>
7223
7224         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
7225         and is_gimple_ip_invariant_address.
7226
7227 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7228
7229         Revert
7230         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7231
7232         * config/arm/arm.c (arm_override_options): Turn off
7233         flag_dwarf2_cfi_asm for AAPCS variants.
7234
7235 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7236
7237         PR target/43399
7238         * config/arm/arm.c (emit_multi_reg_push): Update comments.
7239         Use PRE_MODIFY instead of PRE_DEC.
7240         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
7241         (vfp_emit_fstmd): Likewise.
7242
7243 2010-03-19  Michael Matz  <matz@suse.de>
7244
7245         PR target/43305
7246         * builtins.c (expand_builtin_interclass_mathfn,
7247         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
7248         if that fails.
7249
7250 2010-03-19  Richard Guenther  <rguenther@suse.de>
7251
7252         PR tree-optimization/43415
7253         * tree-ssa-pre.c (phi_translate): Split out worker to ...
7254         (phi_translate_1): ... this.
7255         (phi_translate): Move all caching here.  Cache all NARY
7256         and REFERENCE translations.
7257
7258 2010-03-19  David S. Miller  <davem@davemloft.net>
7259
7260         With help from Eric Botcazou.
7261         * config/sparc/sparc.c: Include dwarf2out.h.
7262         (emit_pic_helper): Delete.
7263         (pic_helper_symbol_name): Delete.
7264         (pic_helper_emitted_p): Delete.
7265         (pic_helper_needed): New.
7266         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
7267         (get_pc_thunk_name): New.
7268         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
7269         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
7270         Set pic_helper_needed to true.  Don't call emit_pic_helper.
7271         (sparc_expand_prologue): Update load_pic_register call.
7272         (sparc_output_mi_thunk): Likewise.
7273         (sparc_file_end): Emit a hidden comdat symbol for the PIC
7274         thunk if possible.  Output CFI information as needed.
7275
7276 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
7277             Jack Howarth <howarth@bromo.med.uc.edu>
7278
7279         PR target/36399
7280         * config/i386/i386.h: Fix ABI on darwin x86-32.
7281
7282 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
7283
7284         * tree.h: Declare make_decl_rtl_for_debug.
7285         * varasm.c (make_decl_rtl_for_debug): New.
7286         * dwarf2out.c (rtl_for_decl_location): Call it.
7287         * cfgexpand.c (expand_debug_expr): Call it.
7288
7289 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
7290
7291         PR bootstrap/43399
7292         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
7293         mem_mode.
7294
7295         PR bootstrap/43403
7296         * var-tracking.c (vt_init_cfa_base): Do nothing if
7297         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
7298
7299 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
7300
7301         PR debug/42873
7302         * var-tracking.c (canonicalize_vars_star): New.
7303         (dataflow_post_merge_adjust): Use it.
7304
7305 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
7306
7307         PR debug/43058
7308         * var-tracking.c (non_suitable_const): New function.
7309         (add_uses): For DEBUG_INSNs with constants, don't record any
7310         value, instead just the constant value itself.
7311         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
7312         is not VAR_LOC_UNKNOWN_P, set var to the constant.
7313         (emit_notes_in_bb): Likewise.
7314         (emit_note_insn_var_location): For onepart variables if
7315         cur_loc is a VOIDmode constant, use DECL_MODE.
7316
7317 2010-03-18  Martin Jambor  <mjambor@suse.cz>
7318
7319         PR middle-end/42450
7320         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
7321         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
7322         all non-clones.  Moved call redirection...
7323         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
7324         (cgraph_materialize_all_clones): Dispose of all
7325         combined_args_to_skip bitmaps.
7326         (verify_cgraph_node): Do not check for edges pointing to wrong
7327         nodes in inline clones.
7328         * tree-inline.c (copy_bb): Call
7329         cgraph_redirect_edge_call_stmt_to_callee.
7330         * ipa.c (cgraph_remove_unreachable_nodes): Call
7331         cgraph_node_remove_callees even when there are used clones.
7332
7333 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
7334
7335         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
7336
7337 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
7338
7339         PR target/43383
7340         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
7341         for 32bit.
7342
7343 2010-03-18  Michael Matz  <matz@suse.de>
7344
7345         PR middle-end/43419
7346         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
7347         into sqrt(x) if we need to preserve signed zeros.
7348
7349 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
7350             Eric Botcazou  <ebotcazou@adacore.com>
7351
7352         PR rtl-optimization/43360
7353         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
7354         note if we don't know its invariant status.
7355
7356 2010-03-18  Michael Matz  <matz@suse.de>
7357
7358         PR tree-optimization/43402
7359         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
7360         PHI chains of ssa names registered for update.
7361
7362 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
7363
7364         PR target/42427
7365         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
7366         non-offsettable and pre_modify update addressing.
7367         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
7368         and "2" alternatives "#".
7369         (*movdd_softfloat32): Make all alternatives "#";
7370         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
7371         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
7372         (*movdf_softfloat32): Make all alternatives "#";
7373         (movdi): Use the new DIFD mode iterator to create a common splitter
7374         for movdi, movdf and movdd patterns.
7375
7376 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
7377
7378         * common.opt (dumpdir): Remove redundant tab.
7379
7380 2010-03-17  Martin Jambor  <mjambor@suse.cz>
7381
7382         PR tree-optimization/43347
7383         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
7384         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
7385
7386 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
7387
7388         PR rtl-optimization/42216
7389         * regrename.c (create_new_chain): New function, broken out from...
7390         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
7391         appending a use to an empty chain.
7392         (build_def_use): Remove previous changes that convert OP_INOUT to
7393         OP_OUT operands; instead detect the case where an OP_INOUT operand
7394         uses a previously untracked register and create an empty chain for it.
7395
7396 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7397
7398         * doc/extend.texi (Function Attributes): Rewrite unfinished
7399         sentence in ms_abi documentation.
7400
7401 2010-03-17  Alan Modra  <amodra@gmail.com>
7402
7403         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
7404         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
7405         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
7406         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
7407
7408 2010-03-16  Richard Henderson  <rth@redhat.com>
7409
7410         PR middle-end/43365
7411         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
7412         (lower_try_finally): Save and restore eh_seq around the expansion
7413         of the try-finally.
7414
7415 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
7416
7417         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
7418         statements before splitting block.
7419
7420 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7421
7422         * doc/sourcebuild.texi (Testsuites): Fix markup.
7423         Use pathnames relative to gcc/testsuite.
7424         (Test Directives): Move description of how timeout is determined.
7425         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
7426         (C Tests): Correct gcc.misc-tests directory.
7427         Framework tests now live in gcc.test-framework.
7428
7429 2010-03-16  Richard Guenther  <rguenther@suse.de>
7430
7431         PR middle-end/43379
7432         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
7433         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
7434
7435 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
7436             Alexandre Oliva  <aoliva@redhat.com>
7437
7438         PR tree-optimization/42917
7439         * lambda-code.c (remove_iv): Skip debug statements.
7440         (lambda_loopnest_to_gcc_loopnest): Likewise.
7441         (not_interesting_stmt): Debug statements are not interesting.
7442
7443 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
7444
7445         PR debug/43051
7446         PR debug/43092
7447         * cselib.c (cselib_preserve_constants,
7448         cfa_base_preserved_val): New static variables.
7449         (preserve_only_constants): New function.
7450         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
7451         clear its REG_VALUES.  If cselib_preserve_constants, don't
7452         empty the whole hash table, but preserve there VALUEs with constants,
7453         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
7454         (cselib_preserve_cfa_base_value): New function.
7455         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
7456         (cselib_init): Change argument to int bitfield.  Set
7457         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
7458         is in it.
7459         (cselib_finish): Clear cselib_preserve_constants and
7460         cfa_base_preserved_val.
7461         * cselib.h (enum cselib_record_what): New enum.
7462         (cselib_init): Change argument to int.
7463         (cselib_preserve_cfa_base_value): New prototype.
7464         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
7465         * dse.c (dse_step1): Likewise.
7466         * cfgcleanup.c (thread_jump): Likewise.
7467         * sched-deps.c (sched_analyze): Likewise.
7468         * gcse.c (local_cprop_pass): Likewise.
7469         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
7470         If FN is non-NULL, call the callback always and whenever it returns
7471         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
7472         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
7473         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
7474         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
7475         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
7476         * var-tracking.c: Include recog.h.
7477         (bb_stack_adjust_offset): Remove.
7478         (vt_stack_adjustments): Don't call it, instead just gather the
7479         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
7480         (adjust_stack_reference): Remove.
7481         (compute_cfa_pointer): New function.
7482         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
7483         (struct adjust_mem_data): New type.
7484         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
7485         functions.
7486         (get_address_mode): New function.
7487         (replace_expr_with_values): Use it.
7488         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
7489         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
7490         (adjust_sets): Remove.
7491         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
7492         Use get_address_mode.
7493         (get_adjusted_src): Remove.
7494         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
7495         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
7496         (add_with_sets): Don't call adjust_sets.
7497         (fp_setter, vt_init_cfa_base): New functions.
7498         (vt_initialize): Change return type to bool.  Move most of pool etc.
7499         initialization to the beginning of the function from end.  Pass
7500         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
7501         If !frame_pointer_needed, call vt_stack_adjustment before mos
7502         vector is filled, call vt_init_cfa_base if argp/framep has been
7503         eliminated to sp.  If frame_pointer_needed and argp/framep has
7504         been eliminated to hard frame pointer, set
7505         hard_frame_pointer_adjustment and call vt_init_cfa_base after
7506         encountering fp setter in the prologue.  For MO_ADJUST, call
7507         log_op_type before pusing the op into mos vector, not afterwards.
7508         Call adjust_insn before cselib_process_insn/add_with_sets,
7509         call cancel_changes (0) afterwards.
7510         (variable_tracking_main_1): Adjust for vt_initialize calling
7511         vt_stack_adjustments and returning whether it succeeded or not.
7512
7513 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
7514
7515         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
7516         debug statements.
7517
7518 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
7519
7520         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
7521         has been set.
7522         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
7523         drap_reg has not been set.
7524
7525 2010-03-15  Michael Matz  <matz@suse.de>
7526
7527         PR middle-end/43300
7528         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
7529         use it to expand block copies.
7530         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
7531         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
7532         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
7533
7534 2010-03-15  Richard Guenther  <rguenther@suse.de>
7535
7536         PR tree-optimization/43367
7537         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
7538         elimination check.
7539
7540 2010-03-15  Richard Guenther  <rguenther@suse.de>
7541
7542         PR tree-optimization/43317
7543         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
7544
7545 2010-03-15  Martin Jambor  <mjambor@suse.cz>
7546
7547         PR tree-optimization/43141
7548         * tree-sra.c (create_abstract_origin): New function.
7549         (modify_function): Call create_abstract_origin.
7550
7551 2010-03-15  Chris Demetriou  <cgd@google.com>
7552
7553         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
7554         wasn't copied.
7555
7556 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7557
7558         PR middle-end/43354
7559         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
7560         call insert_out_of_ssa_copy for default definitions.
7561
7562 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7563
7564         * graphite-clast-to-gimple.c (my_long_long): Defined.
7565         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
7566         * graphite-sese-to-poly.c (my_long_long): Defined.
7567         (scop_ivs_can_be_represented): Use it.
7568
7569 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7570
7571         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
7572         graphite-max-bbs-per-function, and loop-block-tile-size.
7573         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
7574         with "maximum".
7575         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
7576
7577 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7578
7579         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
7580         forward declaration.
7581         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
7582         (add_upper_bounds_from_estimated_nit): New.
7583         (build_loop_iteration_domains): Use it.
7584
7585 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7586
7587         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
7588
7589 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7590
7591         PR middle-end/43306
7592         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
7593         should be an INTEGER_CST.  Also handle CASE_CONVERT.
7594
7595 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7596
7597         * graphite.c (graphite_initialize): To bound the number of bbs per
7598         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
7599         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
7600         * doc/invoke.texi: Document it.
7601
7602 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7603
7604         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
7605         * graphite-sese-to-poly.h (build_poly_scop): Same.
7606
7607 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7608
7609         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
7610         the number of parameters in the scop.  Use as an upper bound
7611         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
7612         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
7613         * doc/invoke.texi: Document it.
7614
7615 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
7616
7617         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
7618         * doc/c-tree.texi: Remove.
7619         * doc/generic.texi: Merge c-tree.texi here.
7620         * doc/gccint.texi (Trees): Remove menu entry.
7621         (c-tree.texi): Remove @include.
7622         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
7623         * doc/languages.texi (Reading RTL): Ditto.
7624
7625 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
7626
7627         PR target/42869
7628         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
7629
7630 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
7631
7632         PR middle-end/42431
7633         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
7634         code added to work around reload clobbering CONST insns.
7635
7636 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
7637
7638         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
7639         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
7640         (cselib_preserve_only_values): Remove retain argument, don't
7641         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
7642         * cselib.h (cselib_preserve_only_values): Remove retain argument.
7643         * var-tracking.c (micro_operation): Move insn field before union.
7644         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
7645         (struct variable_tracking_info_def): Remove n_mos field, change
7646         mos into a vector of micro_operations.
7647         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
7648         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
7649         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
7650         changing into a vector.
7651         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
7652         come before all other uops generated by add_stores.
7653         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
7654         argument removal.
7655         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
7656         a vector.  Run just one pass over the bbs instead of separate counting
7657         and computation phase.
7658         (vt_finalize): Free VTI (bb)->mos vector instead of array.
7659
7660         PR debug/43329
7661         * tree-inline.c (remap_decls): Put old_var rather than origin_var
7662         into *nonlocalized_list vector.
7663         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
7664         even if origin is non-NULL.
7665         (gen_variable_die): Likewise.
7666         (process_scope_var): Don't change origin.
7667         (gen_decl_die): Likewise.
7668         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
7669         before adding new edges instead of after it, fix moving over
7670         debug stmts.
7671
7672 2010-03-11  David S. Miller  <davem@davemloft.net>
7673
7674         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
7675         of four.
7676         * configure: Rebuild.
7677
7678 2010-03-11  Martin Jambor  <mjambor@suse.cz>
7679
7680         PR tree-optimization/43257
7681         * tree.c (assign_assembler_name_if_neeeded): New function.
7682         (free_lang_data_in_cgraph): Assembler name assignment moved to the
7683         above new function.
7684         * tree.h (assign_assembler_name_if_neeeded): Declare.
7685         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
7686         the function if needed.
7687
7688 2010-03-11  Chris Demetriou  <cgd@google.com>
7689
7690         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
7691         include/stdint-gcc.h, and include/stdint.h world-readable.
7692
7693 2010-03-11  Richard Guenther  <rguenther@suse.de>
7694
7695         PR tree-optimization/43255
7696         * tree-vrp.c (process_assert_insertions_for): Do not insert
7697         asserts for trivial conditions.
7698
7699 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7700
7701         PR tree-optimization/43280
7702         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
7703         generation.  Move calculation of size out of the if branch.
7704         (find_bswap): Modify compare number generation.
7705
7706 2010-03-11  Richard Guenther  <rguenther@suse.de>
7707
7708         PR lto/43200
7709         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
7710         (input_gimple_stmt): Fixup handled component types during
7711         operand read.  Also fix up decls in ADDR_EXPRs.
7712
7713 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
7714
7715         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
7716         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
7717
7718 2010-03-10  Jan Hubicka  <jh@suse.cz>
7719
7720         PR c/43288
7721         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
7722         * varasm.c (get_variable_section): Don't do that here...
7723         (make_decl_rtl): ... and here.
7724         (do_assemble_alias): Produce decl RTL.
7725         (assemble_alias): Likewise.
7726
7727 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
7728
7729         PR debug/43290
7730         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
7731         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
7732         of fde->vdrap_reg.
7733         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
7734         (based_loc_descr): Only express drap or vdrap regno based expressions
7735         using DW_OP_fbreg when not optimizing.
7736         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
7737         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
7738         REG_CFA_SET_VDRAP note.
7739
7740 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
7741
7742         PR tree-optimization/43236
7743         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
7744         error in calculation of base address in reverse iteration case.
7745         (generate_builtin): Take number of latch executions if the statement
7746         is in the latch.
7747
7748 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
7749
7750         PR middle-end/42859
7751         * tree-eh.c: Include pointer-set.h.
7752         (lower_eh_dispatch): Filter out duplicate case labels and
7753         remove the unneeded edge when the label is unused.  Return
7754         true when some edges are removed.
7755         (execute_lower_eh_dispatch): When any lowering resulted in
7756         removing an edge, also delete unreachable blocks.
7757
7758 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
7759
7760         PR bootstrap/43287
7761         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
7762         UNSPEC_MACHOPIC_OFFSET.
7763
7764 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
7765
7766         PR target/43294
7767         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
7768         (m68k_delegitimize_address): New function.
7769
7770 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
7771
7772         PR debug/43299
7773         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
7774
7775         PR debug/43299
7776         * var-tracking.c (adjust_sets): New function.
7777         (count_with_sets, add_with_sets): Use it.
7778         (get_adjusted_src): New inline function.
7779         (add_stores): Use it.
7780
7781         PR debug/43304
7782         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
7783         call cselib_dummy_expand_value_rtx_cb instead of
7784         cselib_expand_value_rtx_cb.
7785
7786         PR debug/43293
7787         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
7788         * config/i386/i386.c: Include debug.h and dwarf2out.h.
7789         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
7790         and .cfi_endproc around the pic thunks.
7791         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
7792         all queued unwind info register saves are saved before the call.
7793         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
7794         considered as sp-=4 for unwind info and the pop as sp+=4 which
7795         also clobbers dest, but doesn't actually restore it.
7796
7797         PR debug/43290
7798         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
7799         RTX_FRAME_RELATED_P.
7800
7801 2010-03-09  Jie Zhang  <jie@codesourcery.com>
7802
7803         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
7804         whitespaces in output template.
7805
7806 2010-03-09  Jie Zhang  <jie@codesourcery.com>
7807
7808         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
7809         out array boundary.
7810
7811 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
7812
7813         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
7814         builtins.exp in a separate job.
7815
7816 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7817
7818         * graphite-sese-to-poly.c (add_param_constraints): Use
7819         lower_bound_in_type and upper_bound_in_type.
7820
7821 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7822
7823         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
7824         instead of unsigned_type_node.
7825
7826 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7827             Reza Yazdani  <reza.yazdani@amd.com>
7828
7829         PR middle-end/43065
7830         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
7831         on pointer type parameters.
7832
7833 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7834
7835         PR middle-end/42644
7836         PR middle-end/42130
7837         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
7838         handle conversions from pointer to integers.
7839         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
7840         induction variable, to be able to work with code generated by CLooG.
7841         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
7842         (build_poly_scop): Bail out if we cannot codegen a loop.
7843
7844 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7845
7846         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
7847         code generation with gloog_error.
7848
7849 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7850
7851         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
7852         Call fold_convert on all the returned values.
7853         (expand_scalar_variables_expr): Pass to
7854         expand_scalar_variables_ssa_name the type of the resulting expression.
7855
7856 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7857
7858         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
7859         ppl_min_for_le_pointset.
7860         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
7861         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
7862
7863 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7864
7865         * graphite-dependences.c (map_into_dep_poly): Removed.
7866         (dependence_polyhedron_1): Use combine_context_id_scat.
7867
7868 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7869
7870         * graphite-poly.h (struct poly_scattering): Add layout documentation.
7871         (struct poly_bb): Same.
7872         (combine_context_id_scat): New.
7873
7874 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7875
7876         PR middle-end/42326
7877         * sese.c (name_defined_in_loop_p): Return false for default
7878         definitions.
7879
7880 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7881
7882         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
7883         and clean up the logic.
7884
7885 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7886
7887         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
7888         early return.
7889
7890 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
7891
7892         * var-tracking.c (remove_cselib_value_chains): Define only for
7893         ENABLE_CHECKING.
7894         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
7895         delete_slot_part, emit_notes_for_differences_1): Don't call
7896         remove_cselib_value_chains here.
7897         (set_slot_part, emit_notes_for_differences_2): Don't call
7898         add_cselib_value_chains here.
7899         (preserved_values): New vector.
7900         (preserve_value): New function.
7901         (add_uses, add_stores, vt_add_function_parameters): Use it
7902         instead of cselib_preserve_value.
7903         (changed_values_stack): New vector.
7904         (check_changed_vars_0): New function.
7905         (check_changed_vars_1, check_changed_vars_2): Use it.
7906         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
7907         changed_values_stack VALUEs.
7908         (vt_emit_notes): For all preserved_values call
7909         add_cselib_value_chains.  If ENABLE_CHECKING call
7910         remove_cselib_value_chains before verifying value_chains is empty.
7911         Initialize and free changed_values_stack.
7912         (vt_initialize): Initialize preserved_values.
7913         (vt_finalize): Free preserved_values.
7914
7915 2010-03-08  Richard Guenther  <rguenther@suse.de>
7916
7917         PR tree-optimization/43269
7918         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
7919         region detection.
7920
7921 2010-03-08  Martin Jambor  <mjambor@suse.cz>
7922
7923         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
7924         (ipa_is_param_called): Removed.
7925         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
7926         (ipa_print_node_params): Do not print the called flag.
7927         (ipa_write_node_info): Do not stream the called flag.
7928         (ipa_read_node_info): Likewise.
7929
7930 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
7931
7932         PR debug/43176
7933         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
7934         * cselib.c (struct expand_value_data): Add dummy field.
7935         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
7936         dummy to false.
7937         (cselib_dummy_expand_value_rtx_cb): New function.
7938         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
7939         any rtl.
7940         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
7941         * var-tracking.c: Include pointer-set.h.
7942         (variable): Change n_var_parts to char from int.  Add
7943         cur_loc_changed and in_changed_variables fields.
7944         (variable_canonicalize): Remove.
7945         (shared_var_p): New inline function.
7946         (unshare_variable): Maintain cur_loc_changed and
7947         in_changed_variables fields.  If var was in changed_variables,
7948         replace it there with new_var.  Just copy cur_loc instead of
7949         resetting it to something else.
7950         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
7951         (dataflow_set_union): Don't call variable_canonicalize.
7952         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
7953         of their DEBUG_EXPR_TREE_DECLs.
7954         (canonicalize_loc_order_check): Verify that cur_loc is NULL
7955         and in_changed_variables and cur_loc_changed is false.
7956         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
7957         and cur_loc_changed.  Don't update cur_loc here.
7958         (variable_merge_over_src): Don't call variable_canonicalize.
7959         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
7960         removing loc that is equal to cur_loc, clear cur_loc,
7961         set cur_loc_changed and ensure variable_was_changed is called.
7962         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
7963         compare pointers in cur_loc check, if it is equal to loc,
7964         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
7965         (variable_different_p): Remove compare_current_location argument,
7966         don't compare cur_loc.
7967         (dataflow_set_different_1): Adjust variable_different_p caller.
7968         (variable_was_changed): If dv had some var in changed_variables
7969         already, reset in_changed_variables flag for it and propagate
7970         cur_loc_changed over to the new variable.  On empty var
7971         always set cur_loc_changed.  Set in_changed_variables on whatever
7972         var is added to changed_variables.
7973         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
7974         Use shared_var_p.  When removing loc that is equal to cur_loc,
7975         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
7976         end, don't set it to something else, just call variable_was_changed.
7977         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
7978         loc being removed, clear cur_loc and set cur_loc_changed.
7979         Set cur_loc_changed if all locations have been removed.
7980         (struct expand_loc_callback_data): New type.
7981         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
7982         allocated.  Always create SUBREGs if simplify_subreg failed.
7983         Prefer to use cur_loc, when that fails and still in
7984         changed_variables (and seen first time) recompute it.  Set
7985         cur_loc_changed of variables which had to change cur_loc and
7986         compute elcd->cur_loc_changed if any of the subexpressions used
7987         had to change cur_loc.
7988         (vt_expand_loc): Adjust to pass arguments in
7989         expand_loc_callback_data structure.
7990         (vt_expand_loc_dummy): New function.
7991         (emitted_notes): New variable.
7992         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
7993         that weren't used for any other decl in current
7994         emit_notes_for_changes call call vt_expand_loc_dummy to update
7995         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
7996         first loc_chain location if NULL before.  Always use just
7997         cur_loc instead of first loc_chain location.  When cur_loc_changed
7998         is false, when not --enable-checking=rtl just don't emit any note.
7999         When rtl checking, compute the note and assert it is the same
8000         as previous note.  Clear cur_loc_changed and in_changed_variables
8001         at the end before removing from changed_variables.
8002         (check_changed_vars_3): New function.
8003         (emit_notes_for_changes): Traverse changed_vars to call
8004         check_changed_vars_3 on each changed var.
8005         (emit_notes_for_differences_1): Clear cur_loc_changed and
8006         in_changed_variables.  Recompute cur_loc of new_var.
8007         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
8008         (vt_emit_notes): Initialize and destroy emitted_notes.
8009
8010 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
8011
8012         PR rtl-optimization/42220
8013         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
8014         Use verify_reg_tracked to determine if we should use OP_OUT rather
8015         than OP_INOUT.
8016         (build_def_use): If we see an in-out operand for a register that we
8017         know nothing about, treat is an output if possible, fail the block if
8018         not.
8019
8020 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
8021
8022         PR debug/42897
8023         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
8024         permanently.
8025
8026 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
8027
8028         PR debug/42897
8029         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
8030         uses of relevant DEFs that are dead outside the loop too.
8031
8032 2010-03-06  Alexandre Oliva <aoliva@redhat.com>
8033
8034         * var-tracking.c (dataflow_set_merge): Swap src and src2.
8035         Reverted:
8036         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
8037         PR debug/41371
8038         * var-tracking.c (values_to_unmark): New variable.
8039         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8040         values_to_unmark vector.  Moved body to...
8041         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
8042         instead queue it into values_to_unmark vector.
8043         (vt_find_locations): Free values_to_unmark vector.
8044
8045 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
8046
8047         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
8048         (site.exp): Export them when plugins are enabled.
8049
8050 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
8051
8052         PR middle-end/42326
8053         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
8054         that contain scevs.
8055         (chrec_fold_multiply): Same.
8056
8057 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
8058
8059         PR c/43248
8060         * c-decl.c (build_compound_literal): Return early if init is
8061         an error_mark_node.
8062
8063 2010-03-04  Martin Jambor  <mjambor@suse.cz>
8064
8065         PR tree-optimization/43164
8066         PR tree-optimization/43191
8067         * tree-sra.c (type_consists_of_records_p): Reject records with
8068         zero-size bit-fields at the end.
8069
8070 2010-03-04  Mike Stump  <mikestump@comcast.net>
8071
8072         * Makefile.in (TAGS): Remove *.y.
8073
8074 2010-03-04  Richard Guenther  <rguenther@suse.de>
8075
8076         PR tree-optimization/40761
8077         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
8078         in reverse order.
8079         (my_rev_post_order_compute): New function.
8080         (init_pre): Call it.
8081
8082 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
8083
8084         PR middle-end/43209
8085         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
8086         decrease the cost of an IV candidate when the cost is infinite.
8087
8088 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8089
8090         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
8091         Use '3DNow!' for the extension of that name, ensure normal space
8092         after the string.
8093         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
8094
8095 2010-03-03  Jeff Law  <law@redhat.com>
8096
8097         * PR middle-end/32693
8098         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
8099         than gen_rtx_SUBREG.
8100         (extract_bit_field_1): Likewise.
8101
8102 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
8103
8104         * doc/sourcebuild.texi (Test directives): Document that arguments
8105         include-opts and exclude-opts are now optional for dg-skip-if,
8106         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
8107
8108 2010-03-03  Jason Merrill  <jason@redhat.com>
8109
8110         PR c++/12909
8111         * cgraph.h (varpool_node): Add extra_name field.
8112         * varpool.c (varpool_extra_name_alias): New.
8113         (varpool_assemble_decl): Emit extra name aliases.
8114         (varpool_mark_needed_node): Look past an extra name alias.
8115         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
8116         * lto-streamer-in.c (lto_input_tree): Read it.
8117         * lto-streamer-out.c (output_unreferenced_globals): Write it.
8118
8119 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
8120
8121         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
8122         (sparc*-*-solaris2*): ...this.
8123
8124 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
8125
8126         PR debug/43229
8127         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
8128         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
8129         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
8130         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
8131
8132         PR debug/43237
8133         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
8134         fallthrough to default handling, just with want_address 0 instead of 2.
8135         For single element lists, add_AT_loc directly, otherwise create an
8136         artificial variable DIE and stick location list to it.
8137
8138         PR debug/43177
8139         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
8140         (VAL_EXPR_HAS_REVERSE): Define.
8141         (reverse_op): New function.
8142         (add_stores): For reversible operations add an extra MO_VAL_USE.
8143
8144 2010-03-02  Jason Merrill  <jason@redhat.com>
8145
8146         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
8147
8148 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
8149
8150         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
8151         (sparc64-*-linux*): Likewise.
8152         (sparc64-*-solaris2*): Include assembler files before linker ones.
8153         (sparc-*-solaris2*): Simplify and reorder to match previous case.
8154         * config/sparc/gas.h: Delete.
8155         * config/sparc/sol2-64.h: Add copyright notice.
8156         * config/sparc/sol2-gas-bi.h: Likewise.
8157         * config/sparc/sol2-gld.h: Likewise.
8158         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
8159         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
8160         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
8161         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
8162         (sparc_elf_asm_named_section): Rename into...
8163         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
8164
8165 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
8166
8167         * config/alpha/alpha.c (override_options): Fix -mtune error message.
8168
8169 2010-03-02  Jeff Law  <law@redhat.com>
8170
8171         PR middle-end/42431
8172         * reload1.c (rtx_p, substitute_stack): Declare.
8173         (substitute): Record addresses of changed rtxs.
8174         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
8175         Restore the original rtx when complete.
8176         (reload): Free subsitute_stack when complete.
8177
8178 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
8179
8180         * doc/gccint.texi (menu): Add Testsuites as a chapter.
8181         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
8182         new chapter.
8183         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
8184         LTO Testing, gcov Testing, profopt Testing, compat Testing,
8185         Torture Tests): Change from subsection to section.
8186
8187 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
8188             Steven Bosscher  <steven@gcc.gnu.org>
8189
8190         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
8191         instead of bb.
8192
8193 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
8194
8195         PR middle-end/42640
8196         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
8197         the assignment from the new induction variable to the assignment
8198         of the value from the original loop PHI function.
8199
8200 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
8201             Daniel Jacobowitz  <dan@codesourcery.com>
8202
8203         * doc/sourcebuild.texi (Test directives): Clarify options to
8204         dg-skip-if.
8205
8206 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8207
8208         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
8209         Disable cfi directives unless GCC and gas agree on using read-only
8210         .eh_frame sections for 64-bit.
8211         * configure: Regenerate.
8212
8213 2010-03-01  Richard Guenther  <rguenther@suse.de>
8214
8215         PR tree-optimization/43220
8216         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
8217         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
8218
8219 2010-03-01  Richard Guenther  <rguenther@suse.de>
8220             Martin Jambor  <mjambor@suse.cz>
8221
8222         PR middle-end/41250
8223         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
8224         gimplified parameters.
8225
8226 2010-03-01  Christian Bruel  <christian.bruel@st.com>
8227
8228         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
8229
8230 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
8231
8232         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
8233
8234 2010-03-01  Richard Guenther  <rguenther@suse.de>
8235
8236         PR middle-end/43213
8237         * expr.c (expand_assignment): Use the alias-oracle to tell
8238         if the rhs aliases the result decl.
8239
8240 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8241
8242         PR pch/14940
8243         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
8244         to sol_gt_pch_get_address.
8245         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
8246         64-bit, SPARC and x86.
8247         (sol_gt_pch_get_address): New function.
8248
8249 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
8250
8251         * toplev.h (inform_n, error_n): Declare.
8252         * diagnostic.c (inform_n, error_n): New function.
8253
8254 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
8255
8256         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
8257         has no rtl yet when processing local_decls, queue it and recheck
8258         if deferred stack allocation hasn't assigned it rtl.
8259
8260 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8261
8262         * config/sh/sh.c (unspec_bbr_uid): New.
8263         (gen_block_redirect): Use it instead of INSN_UID.
8264         (gen_far_branch): Likewise.
8265
8266 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8267
8268         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
8269         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
8270
8271 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8272
8273         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
8274         (Warning Options): -Wno-conversion-null is valid for
8275         Objective-C++ as well.
8276         * doc/tm.texi (Named Address Spaces): Likewise.
8277         * doc/plugins.texi (Plugins): Replace TABs with spaces.
8278         * doc/tree-ssa.texi (Tree SSA): Likewise.
8279
8280 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8281
8282         PR bootstrap/43202
8283         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
8284         by default.  Don't set the default arch for
8285         i[34567]86-*-darwin*|x86_64-*-darwin*.
8286
8287 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8288
8289         PR bootstrap/43202
8290         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
8291         default.  Set the default 32bit/64bit archs with $with_arch
8292         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
8293
8294 2010-02-27  Richard Guenther  <rguenther@suse.de>
8295
8296         PR tree-optimization/43186
8297         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
8298         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
8299         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
8300         unroller iterations.
8301
8302 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8303
8304         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
8305         required and i[34567]86-*-* targets don't support 64bit ISA.
8306
8307 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
8308
8309         PR ada/43096
8310         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8311         the same alias set.
8312
8313 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
8314
8315         * config.gcc: Set the default arch at least to Prescott for
8316         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
8317         if SSE math is enabled.
8318
8319 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8320
8321         * diagnostic.c (diagnostic_initialize): Update.
8322         (diagnostic_report_diagnostic): Test inhibit_notes_p for
8323         informative notes.
8324         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
8325         (diagnostic_inhibit_notes): New.
8326         * toplev.c (process_options): inhibit notes with -fcompare-debug.
8327
8328 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8329
8330         PR c/20631
8331         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
8332         * doc/standards.texi: Likewise.
8333         * doc/extend.texi: Likewise.
8334         * doc/trouble.texi: Likewise.
8335         * doc/cppopts.texi: Likewise.
8336         * doc/install.texi: Likewise.
8337         * c.opt (std=c90,std=gnu90): New options.
8338         * c-opts.c (c_common_handle_option): Handle them.
8339
8340 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8341
8342         PR c/24577
8343         * c-decl.c (undeclared_variable): Use an informative note.
8344
8345 2010-02-26  Richard Guenther  <rguenther@suse.de>
8346
8347         PR tree-optimization/43186
8348         * gimple.h (gimple_fold): Remove.
8349         * gimple.c (gimple_fold): Remove.  Inline into single user ...
8350         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
8351         Try harder for conditions.
8352
8353 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
8354
8355         PR debug/43190
8356         * function.c (used_types_insert): Don't skip through named pointer
8357         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
8358         and it is different from the main variant's type.
8359
8360 2010-02-26  Nick Clifton  <nickc@redhat.com>
8361
8362         * config/rx/rx.md (sminsi3): Remove bogus alternative.
8363
8364 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
8365
8366         * config.gcc: Support --with-fpmath=sse for x86.
8367
8368         * config/i386/ssemath.h: New.
8369
8370         * doc/install.texi (--with-fpmath=sse): Documented.
8371
8372 2010-02-26  Richard Guenther  <rguenther@suse.de>
8373
8374         PR tree-optimization/43188
8375         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
8376         vector types of over-aligned element type.
8377
8378 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
8379
8380         PR target/43175
8381         * config/i386/i386.c (expand_vec_perm_blend): Use correct
8382         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
8383
8384 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
8385
8386         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
8387
8388 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
8389
8390         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
8391         * var-tracking.c: Include diagnostic.h.
8392         (debug_dv): New function.
8393         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
8394
8395         PR debug/43160
8396         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
8397         (add_value_chain, add_value_chains, remove_value_chain,
8398         remove_value_chains): Handle DEBUG_EXPRs.
8399         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
8400
8401         PR debug/43161
8402         * regcprop.c (struct queued_debug_insn_change): New type.
8403         (struct value_data_entry): Add debug_insn_changes field.
8404         (struct value_data): Add n_debug_insn_changes field.
8405         (debug_insn_changes_pool): New variable.
8406         (free_debug_insn_changes, apply_debug_insn_changes,
8407         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
8408         (kill_value_one_regno): Call free_debug_insn_changes if needed.
8409         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
8410         fields.
8411         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
8412         changes for them.
8413         (copyprop_hardreg_forward_1): Don't call apply_change_group for
8414         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
8415         changes, call cprop_find_used_regs via note_stores.
8416         (copyprop_hardreg_forward): When copying vd from predecessor
8417         which has any queued DEBUG_INSN changes, make sure the pointers are
8418         cleared.  At the end call df_analyze and then if there are any
8419         DEBUG_INSN changes queued at the end of some basic block for still
8420         live registers, apply them.
8421         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
8422
8423 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
8424
8425         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
8426         (arm*-*-*): Ditto.
8427
8428 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8429
8430         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
8431         targets.  Set the default with_cpu/with_arch from arch/cpu.
8432         Allow x86-64 and native for with_cpu/with_arch.
8433
8434 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
8435
8436         * ebitmap.c: Change calls to verify_popcount with calls to
8437         sbitmap_verify_popcount.
8438         (ebitmap_clear_bit): Fixed map->cacheindex test and
8439         map>cache update when bit clearing results in an empty
8440         element.
8441
8442 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
8443
8444         PR target/43154
8445         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
8446         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
8447         and support both V2DF and V2DI modes.
8448         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
8449         support both V2DF and V2DI modes.
8450         (general): Delete trailing whitespace from a few patterns.
8451
8452         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8453         V2DF/V2DI interleave high/low builtins.
8454
8455         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
8456         new VSX builtins.
8457
8458         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
8459         interleave high/low functions.
8460
8461 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
8462
8463         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
8464         #pragma extern_prefix.
8465
8466 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
8467
8468         PR debug/43166
8469         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
8470         BLKmode, assert op0 is a MEM and just adjust its mode.
8471
8472         PR debug/43165
8473         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
8474         if bitpos isn't multiple of mode's bitsize.
8475
8476 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8477
8478         * c.opt (-ftemplate-depth=): New.
8479         (-ftemplate-depth-): Deprecate.
8480         * optc-gen.awk: Handle -ftemplate-depth=.
8481         * opth-gen.awk: Likewise.
8482         * c-opts.c (c_common_handle_option): Likewise.
8483         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
8484
8485 2010-02-24  Jason Merrill  <jason@redhat.com>
8486
8487         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
8488
8489 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8490
8491         * cfg.c (alloc_aux_for_block): Remove inline.
8492         (alloc_aux_for_edge): Likewise.
8493
8494 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8495
8496         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
8497
8498 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8499
8500         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
8501         * config/i386/sol2-gas.h: New file.
8502         * config.gcc (i[34567]86-*-solaris2*): Use it.
8503
8504 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8505
8506         PR c/43128
8507         * c-typeck.c (ep_convert_and_check): New.
8508         (build_conditional_expr): Use it.
8509         (build_binary_op): Likewise.
8510
8511 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
8512
8513         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
8514
8515         PR debug/43150
8516         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
8517         bounds even for -O+.
8518         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
8519         expr needs to have DECL_NAME set.
8520
8521 2010-02-24  Nick Clifton  <nickc@redhat.com>
8522
8523         * config/mep/mep.c: Include gimple.h.
8524         (mep_function_uses_sp): Delete unused function.
8525         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
8526         parameters.  Use unsigned integers to count args.  Return a
8527         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
8528
8529 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
8530
8531         PR target/43107
8532         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
8533         greater or equal to nelt instead of 2 * nelt.
8534         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
8535         with nelt - 1.
8536
8537 2010-02-23  Jason Merrill  <jason@redhat.com>
8538
8539         PR debug/42800
8540         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
8541         in cfun->local_decls even if they have register types.
8542
8543         PR c++/42837
8544         * stor-layout.c (place_field): Don't warn about unnecessary
8545         DECL_PACKED if the type is packed.
8546
8547 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
8548
8549         PR target/43139
8550         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
8551         GOTOFF relocs, even when the base reg isn't pic pointer.
8552
8553 2010-02-23  Michael Matz  <matz@suse.de>
8554
8555         PR debug/43077
8556         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
8557         (expand_gimple_basic_block): Generate and use debug temps if there
8558         are debug uses left after the last real use of TERed ssa names.
8559         Unlink debug immediate uses when they are expanded.
8560
8561 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8562
8563         PR 43123
8564         * config/i386/i386.c (override_options): Reorganise to provide
8565         better error messages.
8566
8567 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
8568
8569         PR middle-end/43083
8570         * graphite-scop-detection.c (create_single_exit_edge): Move
8571         the call to find_single_exit_edge to....
8572         (create_sese_edges): ...here.  Don't handle multiple edges
8573         exiting the function.
8574         (build_graphite_scops): Don't handle multiple edges
8575         exiting the function.
8576
8577 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
8578
8579         PR middle-end/43097
8580         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
8581         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
8582
8583 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
8584
8585         PR middle-end/43026
8586         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
8587
8588 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8589
8590         PR c++/43126
8591         * c-typeck.c (convert_arguments): Print declaration location.
8592         * c-common.c (validate_nargs): Rename as
8593         builtin_function_validate_nargs.
8594         (check_builtin_function_arguments): Update.
8595
8596 2010-02-22  Richard Guenther  <rguenther@suse.de>
8597
8598         PR lto/43045
8599         * tree-inline.c (declare_return_variable): Use the type of
8600         the call stmt lhs if available.
8601
8602 2010-02-22  Duncan Sands  <baldrick@free.fr>
8603
8604         * passes.c (register_pass): Always consider all pass lists when
8605         ref_pass_instance_number is zero.
8606
8607 2010-02-22  Richard Guenther  <rguenther@suse.de>
8608
8609         PR tree-optimization/42749
8610         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
8611         parameter.  Do arithmetic in the original type.
8612         (update_accumulator_with_ops): Likewise.
8613         (adjust_accumulator_values): Adjust.
8614
8615 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8616
8617         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
8618         (QI to BLKmode splitter): New splitter.
8619
8620 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
8621
8622         * config/i386/i386.c (initial_ix86_tune_features): Turn on
8623         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
8624
8625 2010-02-22  Richard Guenther  <rguenther@suse.de>
8626
8627         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
8628
8629 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
8630
8631         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
8632         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
8633         ($(T)crti.o, $(T)crtn.o): Remove rules.
8634
8635 2010-02-21  Tobias Burnus  <burnus@net-b.de>
8636
8637         PR fortran/35259
8638         * doc/invoke.texi (-fassociative-math): Document that this
8639         option is automatically enabled for Fortran.
8640
8641 2010-02-20  David S. Miller  <davem@davemloft.net>
8642
8643         * configure.ac: Test if linker and assembler properly support
8644         GOTDATA_OP relocations.
8645         * configure: Rebuild.
8646         * config.in: Likewise.
8647         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
8648         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
8649         (movsi_high_pic): Likewise.
8650         (movdi_lo_sum_pic): Likewise.
8651         (movdi_high_pic): Likewise.
8652         (movsi_pic_gotdata_op): New pattern.
8653         (movdi_pic_gotdata_op): Likewise.
8654         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
8655         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
8656
8657 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
8658
8659         PR target/43067
8660         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
8661         attribute to ssemul.
8662         (xop_mulv2div2di3_high): Ditto.
8663
8664 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8665
8666         PR c++/35669
8667         * c.opt (Wconversion-null): New option.
8668         * doc/invoke.texi (Wconversion-null): Document.
8669
8670 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8671
8672         * common.opt (Wlarger-than-): Add Undocumented.
8673
8674 2010-02-19  Mike Stump  <mikestump@comcast.net>
8675
8676         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
8677
8678 2010-02-19  Jason Merrill  <jason@redhat.com>
8679
8680         PR target/40332
8681         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
8682         * configure: Likewise.
8683
8684 2010-02-20  Alan Modra  <amodra@gmail.com>
8685
8686         PR middle-end/42344
8687         * cgraph.h (cgraph_make_decl_local): Declare.
8688         * cgraph.c (cgraph_make_decl_local): New function.
8689         (cgraph_make_node_local): Use it.
8690         * cgraphunit.c (cgraph_function_versioning): Likewise.
8691         * ipa.c (function_and_variable_visibility): Likewise.
8692
8693 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8694
8695         PR bootstrap/43121
8696         * except.c (sjlj_emit_function_enter): Don't call
8697         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
8698         directly.
8699         * rtl.h (add_reg_br_prob_note): Remove prototype.
8700
8701 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8702
8703         PR 41779
8704         * c-common.c (conversion_warning): Remove widening conversions
8705         before checking the conversion of integers to reals.
8706
8707 2010-02-19  Mike Stump  <mikestump@comcast.net>
8708
8709         PR middle-end/43125
8710         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
8711
8712         PR objc/43061
8713         * cgraphunit.c (process_function_and_variable_attributes): Check
8714         DECL_PRESERVE_P instead of looking up attribute "used".
8715         * ipa-pure-const.c (check_decl): Likewise.
8716         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
8717         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
8718         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
8719         instead of attribute "used".
8720         * config/sol2-c.c (solaris_pragma_init): Likewise.
8721         (solaris_pragma_fini): Likewise.
8722
8723 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8724
8725         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
8726         Use XCNEW instead of xcalloc.
8727         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
8728         XNEW instead of xmalloc.
8729         (get_fields): Use XNEWVEC instead of xmalloc.
8730
8731         PR debug/43084
8732         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
8733         populate vars array.
8734         (create_new_general_access): For debug stmts just reset value.
8735         (get_stmt_accesses): For accesses within debug stmts just record them
8736         using add_access_to_acc_sites instead of preventing the peeling or
8737         counting them as accesses.
8738
8739         PR middle-end/42233
8740         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
8741
8742 2010-02-19  Richard Guenther  <rguenther@suse.de>
8743
8744         PR tree-optimization/42916
8745         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
8746         instructions.
8747
8748 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
8749
8750         * configure.ac: Replace all uses of changequote in macro arguments
8751         with proper quoting.
8752
8753 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8754
8755         PR middle-end/42233
8756         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
8757
8758 2010-02-19  Richard Guenther  <rguenther@suse.de>
8759
8760         PR tree-optimization/42944
8761         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
8762         test for aliasing with errno.
8763
8764 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8765
8766         PR middle-end/42233
8767         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
8768         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
8769         * dojump.c: Include output.h.
8770         (inv): New inline function.
8771         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
8772         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
8773         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
8774         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
8775         argument, pass it down to other calls.
8776         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
8777         add REG_BR_PROB note to the conditional jump.
8778         * cfgexpand.c (add_reg_br_prob_note): Removed.
8779         (expand_gimple_cond): Don't call it, add the probability
8780         as last argument to jumpif_1/jumpifnot_1.
8781         * Makefile.in (dojump.o): Depend on output.h.
8782         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
8783         callers.
8784         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
8785         * stmt.c (do_jump_if_equal): Likewise.
8786         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
8787         * loop-unswitch.c (compare_and_jump_seq): Likewise.
8788         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
8789         Likewise.
8790         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
8791         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
8792         jumpifnot_1 callers.
8793         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
8794         callers.
8795         (store_expr): Adjust jumpifnot caller.
8796         (store_constructor): Adjust jumpif caller.
8797
8798         PR middle-end/42233
8799         * gimplify.c (gimple_boolify): For __builtin_expect call
8800         gimple_boolify also on its first argument.
8801
8802 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
8803
8804         * configure.ac (gnu-unique-object): Wrap regexps using [] in
8805         changequote block.
8806         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
8807         * configure: Regenerated.
8808
8809 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8810
8811         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
8812         lang_hooks.types_compatible_p instead of comptypes.
8813
8814 2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>
8815
8816         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
8817         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
8818         if __prefer_thumb__ is defined.
8819
8820 2010-02-18  Martin Jambor  <mjambor@suse.cz>
8821
8822         PR tree-optimization/43066
8823         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
8824         array with zero-sized element type.
8825
8826 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
8827
8828         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
8829         rtx, allocate struct var_loc_node here and return it to the
8830         caller, and only if it is actually needed.
8831         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
8832         move it earlier and return immediately if it returns NULL.
8833
8834 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
8835
8836         * config/sparc/gas.h: New file.  Restore
8837         TARGET_ASM_NAMED_SECTION to its ELF default.
8838         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
8839         check !HAVE_GNU_AS.
8840         * config/sparc/sparc.c (sparc_elf_asm_named_section):
8841         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
8842         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
8843         after sparc/sysv4.h.
8844
8845 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
8846
8847         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
8848
8849 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
8850
8851         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
8852         patterns from predicated pattern.
8853
8854 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
8855
8856         PR target/43103
8857         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
8858         for insn mnemonic suffix.
8859
8860 2010-02-17  Richard Guenther  <rguenther@suse.de>
8861
8862         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
8863         to loop PHI nodes.
8864
8865 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
8866
8867         PR debug/42918
8868         * caller-save.c (save_call_clobbered_regs): If BB ends with
8869         a DEBUG_INSN, move any notes in between last real insn and the last
8870         DEBUG_INSN after the last DEBUG_INSN.
8871
8872 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
8873
8874         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
8875         Fix return type.  Fix argument type.  Explain meaning of return value.
8876
8877 2010-02-16  Richard Guenther  <rguenther@suse.de>
8878
8879         PR tree-optimization/41043
8880         * tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
8881         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
8882         statements ...
8883         (vrp_visit_phi_node): ... but only for loop PHI nodes.
8884
8885 2010-02-16  Ira Rosen  <irar@il.ibm.com>
8886
8887         PR tree-optimization/43074
8888         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
8889         * tree-vect-loop.c (vect_analyze_loop_operations): Add
8890         vectorizable cycles in hybrid SLP check.
8891         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
8892
8893 2010-02-16  Richard Guenther  <rguenther@suse.de>
8894
8895         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
8896         (true_dependence): If memrefs_conflict_p computes must-alias
8897         trust it.  Move TBAA check after offset-based disambiguation.
8898         (canon_true_dependence): Likewise.
8899
8900 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
8901
8902         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
8903         * doc/invoke.texi: Document it.
8904         * var-tracking.c: Include toplev.h and params.h.
8905         (vt_find_locations): Return bool indicating success.  Compute
8906         hash sizes unconditionally.  Check new parameter, report.
8907         (variable_tracking_main_1): Check vt_find_locations results and
8908         retry.  Renamed from...
8909         (variable_tracking_main): ... this.  New wrapper to preserve
8910         flag_var_tracking_assignments.
8911         * Makefile.in (var-tracking.o): Adjust dependencies.
8912
8913 2010-02-16  Jack Howarth <howarth@bromo.med.uc.edu>
8914             Jakub Jelinek <jakub@redhat.com>
8915
8916         PR target/42854
8917         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
8918         if weak_import attribute is present.
8919         * config/darwin.c (machopic_select_section): Likewise.
8920
8921 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
8922
8923         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
8924         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
8925         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
8926         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
8927
8928         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
8929         types.
8930
8931         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
8932         Fix argument types.
8933
8934         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
8935         Rewrite text to refer to the names.
8936
8937 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
8938
8939         * config/i386/i386-builtin-types.def
8940         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
8941         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
8942         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
8943         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
8944         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
8945         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
8946         IX86_BUILTIN_VPERMIL2PS256.
8947         (MULTI_ARG_4_DF2_DI_I): Defined.
8948         (MULTI_ARG_4_DF2_DI_I1): Defined.
8949         (MULTI_ARG_4_SF2_SI_I): Defined.
8950         (MULTI_ARG_4_SF2_SI_I1): Defined.
8951         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
8952         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
8953         __builtin_ia32_vpermil2ps256.
8954         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8955         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8956         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
8957         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8958         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8959         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
8960         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
8961         CODE_FOR_xop_vpermil2v8sf3.
8962         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
8963         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
8964         * config/i386/xopintrin.h (_mm_permute2_pd): New.
8965         (_mm256_permute2_pd): New.
8966         (_mm_permute2_ps): New.
8967         (_mm256_permute2_ps): New.
8968
8969 2010-02-15  Nick Clifton  <nickc@redhat.com>
8970
8971         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
8972         boolean parameters.  Use emit_jump_insn when emitting a pop
8973         instruction containing a return insn.
8974         (push): Use 'true' rather than '1' as second parameter to F.
8975         (h8300_expand_prologue): Likewise.
8976         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
8977         (h8300_expand_epilogue): Likewise.
8978
8979 2010-02-15  Richard Guenther  <rguenther@suse.de>
8980
8981         PR middle-end/43068
8982         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
8983         if that is zero.
8984
8985 2010-02-15  Nick Clifton  <nickc@redhat.com>
8986
8987         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
8988         delta.
8989
8990 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
8991
8992         * intl.c (fake_ngettext): New function.
8993         * intl.h (fake_ngettext): Declare.
8994         (ngettext): Define macro.
8995         * collect2.c (notice_translated): New function.
8996         (main): Use notice_translated and ngettext.
8997         * collect2.h (notice_translated): Declare.
8998
8999 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
9000
9001         * reorg.c (delete_computation): Comment fixes.
9002         * caller-save.c (setup_save_areas): Idem.
9003         * sel-sched-dump.c (dump_lv_set): Idem.
9004         * rtl.def: Idem.
9005
9006 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9007
9008         * config/s390/s390.c (s390_sched_init): New function.
9009         (TARGET_SCHED_INIT): Target hook defined.
9010
9011 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
9012             Jack Howarth  <howarth@bromo.med.uc.edu>
9013             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
9014
9015         PR target/42982
9016         Partial revert of unintended change in fix for PR41605.
9017         * config/darwin.h: Fix typo.
9018         * config/darwin9.h: Same.
9019
9020 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
9021
9022         * c-pch.c (pch_init): Clear v.
9023
9024 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9025
9026         PR middle-end/42930
9027         * graphite-scop-detection.c (graphite_can_represent_scev): Call
9028         graphite_can_represent_init for MULT_EXPR.
9029
9030 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9031
9032         PR middle-end/42914
9033         PR middle-end/42530
9034         * graphite-sese-to-poly.c (remove_phi): New.
9035         (translate_scalar_reduction_to_array): Call remove_phi.
9036
9037 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9038
9039         PR middle-end/42771
9040         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
9041         * graphite-clast-to-gimple.h (gloog): Update declaration.
9042         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
9043         * graphite-poly.h (struct poly_bb): Add missing comments.
9044         (struct scop): Add poly_scop_p field.
9045         (POLY_SCOP_P): New.
9046         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
9047         * graphite.c (graphite_transform_loops): Build the polyhedral
9048         representation for each scop before code generation.
9049         * sese.c (rename_variables_in_operand): Removed.
9050         (rename_variables_in_expr): Return the renamed expression.
9051         (rename_sese_parameters): New.
9052         * sese.h (rename_sese_parameters): Declared.
9053
9054 2010-02-11  Richard Guenther  <rguenther@suse.de>
9055
9056         PR tree-optimization/42998
9057         * tree-ssa-pre.c (create_expression_by_pieces): Treat
9058         POINTER_PLUS_EXPR properly.
9059
9060 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9061             Changpeng Fang  <changpeng.fang@amd.com>
9062
9063         PR middle-end/40886
9064         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
9065         the cost of an IV candidate when the IV is used in a test against zero.
9066
9067         * gcc.dg/tree-ssa/ivopts-3.c: New.
9068
9069 2010-02-11  Richard Guenther  <rguenther@suse.de>
9070
9071         PR lto/41664
9072         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
9073         pointer-vs-decl case by swapping refs.  Handle some cases
9074         of pointer-vs-decl disambiguations more conservatively.
9075         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
9076         to false after expanding.
9077
9078 2010-02-11  Richard Guenther  <rguenther@suse.de>
9079
9080         PR driver/43021
9081         * gcc.c (process_command): Handle LTO file@offset case more
9082         appropriately.
9083
9084 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
9085
9086         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
9087         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
9088         of DEBUG_INSNs.
9089         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
9090
9091         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
9092         if MEM's mode size isn't DWARF2_ADDR_SIZE.
9093         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
9094         Optimize eq/ne comparisons when both arguments are known to be
9095         zero-extended.
9096         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
9097         Don't mask operands unnecessarily if they are known to be already
9098         zero-extended.
9099
9100 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9101
9102         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
9103         instead of loop.
9104
9105 2010-02-10  Richard Guenther  <rguenther@suse.de>
9106
9107         PR tree-optimization/43017
9108         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
9109         for wrapping signed arithmetic.
9110
9111 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
9112
9113         PR debug/43010
9114         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
9115         if no debug info should be emitted for it.
9116
9117 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9118
9119         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
9120         note when flag_exceptions is set.
9121
9122 2010-02-10  Duncan Sands  <baldrick@free.fr>
9123
9124         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
9125
9126 2010-02-10  Richard Guenther  <rguenther@suse.de>
9127
9128         PR c/43007
9129         * tree.c (get_unwidened): Handle constants.
9130         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
9131
9132 2010-02-10  Martin Jambor  <mjambor@suse.cz>
9133
9134         PR lto/42985
9135         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
9136         check for variable argument counts independently.
9137
9138 2010-02-10  Christian Bruel  <christian.bruel@st.com>
9139
9140         PR target/42841
9141         * config/sh/sh.c (find_barrier): Increase length for non delayed
9142         conditional branches.
9143
9144 2010-02-10  Christian Bruel  <christian.bruel@st.com>
9145
9146         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
9147
9148 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
9149
9150         * builtins.c (set_builtin_user_assembler_name): Also handle
9151         ffs if int is smaller than word.
9152
9153 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
9154
9155         PR middle-end/42973
9156         * ira-conflicts.c (get_dup): Remove.
9157         (process_reg_shuffles): Add new parameter.  Use it as an
9158         additional guard for copy generation.
9159         (add_insn_allocno_copies): Rewrite.
9160
9161 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
9162
9163         * common.opt (fsched2-use-traces): Preserved for backward
9164         compatibility.
9165         * doc/invoke.texi: Remove the documentation about option
9166         -fsched2-use-traces.
9167         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
9168         flag_sched2_use_traces.
9169         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
9170         the backward compatibility flag section.
9171
9172 2010-02-09  Richard Guenther  <rguenther@suse.de>
9173
9174         PR tree-optimization/43008
9175         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
9176         make HEAP variables initialized from global memory if they
9177         are not known builtin functions.
9178         (find_func_aliases): Adjust.
9179
9180 2010-02-09  Richard Guenther  <rguenther@suse.de>
9181
9182         PR tree-optimization/43000
9183         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
9184         arithmetic manually.
9185
9186 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
9187
9188         PR tree-optimization/42931
9189         * tree-loop-linear.c (try_interchange_loops): Don't call
9190         double_int_mul if estimated_loop_iterations failed.
9191
9192 2010-02-08  Martin Jambor  <mjambor@suse.cz>
9193
9194         PR middle-end/42898
9195         * tree-sra.c (build_accesses_from_assign): Do not mark in
9196         should_scalarize_away_bitmap if stmt has volatile ops.
9197         (sra_modify_assign): Do not process assigns piecemeal if if stmt
9198         has volatile ops.
9199
9200 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
9201
9202         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
9203
9204 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
9205
9206         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
9207         before the pattern.
9208
9209 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
9210
9211         PR middle-end/42946
9212         * df-core.c (df_finish_pass): Change type of saved_flags to int.
9213
9214 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
9215
9216         PR middle-end/42988
9217         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
9218         to unknown_dependence.
9219         (graphite_legal_transform_dr): Handle the unknown_dependence.
9220         (graphite_carried_dependence_level_k): Same.
9221
9222 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
9223
9224         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
9225
9226 2010-02-07  Richard Guenther  <rguenther@suse.de>
9227
9228         PR middle-end/42991
9229         * expr.c (get_inner_reference): Always initialize *pbitsize.
9230
9231 2010-02-07  Richard Guenther  <rguenther@suse.de>
9232
9233         PR middle-end/42956
9234         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
9235         new ARRAY_REFs on variable size element or minimal index arrays.
9236         Complete.
9237         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
9238         gimple_fold_indirect_ref.
9239
9240 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
9241
9242         PR target/42957
9243         * arm.c (arm_override_options): Just return if the user has specified
9244         an invalid fpu name.
9245
9246 2010-02-03  Jason Merrill  <jason@redhat.com>
9247
9248         PR c++/42870
9249         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
9250         i386_pe_maybe_record_exported_symbol.
9251
9252 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
9253
9254         PR target/42924
9255         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
9256         (pa_delegitimize_address): New function.
9257
9258 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
9259
9260         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
9261         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
9262
9263 2010-02-05  Richard Guenther  <rguenther@suse.de>
9264
9265         PR lto/42762
9266         * lto-streamer-in.c (get_resolution): Deal with references
9267         to undefined functions.
9268
9269 2010-02-05  Richard Guenther  <rguenther@suse.de>
9270
9271         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
9272         (fold_const_aggregate_ref): Likewise.
9273         (ccp_fold_stmt): Substitute loads.
9274         (maybe_fold_reference): Verify types before substituting.
9275         Unshare properly.
9276         (fold_gimple_assign): Unshare properly.
9277         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
9278
9279 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
9280
9281         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
9282         for rs6000_gen_cell_microcode.
9283
9284 2010-02-04  Richard Guenther  <rguenther@suse.de>
9285
9286         PR rtl-optimization/42952
9287         * dse.c (const_or_frame_p): Remove MEM handling.
9288
9289 2010-02-04  Nick Clifton  <nickc@redhat.com>
9290
9291         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
9292         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
9293         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
9294         (mn10300_asm_output_mi_thunk): New function.
9295         (mn10300_can_output_mu_thunk): New function.
9296         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
9297         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
9298         (FUNCTION_ARG): Delete incorrect comment.
9299
9300 2010-02-03  Jason Merrill  <jason@redhat.com>
9301
9302         PR c++/40138
9303         * fold-const.c (operand_equal_p): Handle erroneous types.
9304
9305 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
9306
9307         * config/h8300/h8300.md (can_delay): Fix attibute condition.
9308
9309 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
9310
9311         PR rtl-optimization/42941
9312         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
9313         of xmalloc.
9314
9315 2010-02-03  Jason Merrill  <jason@redhat.com>
9316
9317         PR c++/35652
9318         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
9319
9320 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
9321
9322         PR debug/42896
9323         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
9324         (cselib_reset_table): Renamed from...
9325         (cselib_reset_table_with_next_value): ... this.
9326         (cselib_get_next_uid): Renamed from...
9327         (cselib_get_next_unknown_value): ... this.
9328         * cselib.c (next_uid): Renamed from...
9329         (next_unknown_value): ... this.
9330         (cselib_clear_table): Adjust.
9331         (cselib_reset_table): Adjust.  Renamed from...
9332         (cselib_reset_table_with_next_value): ... this.
9333         (cselib_get_next_uid): Adjust.  Renamed from...
9334         (cselib_get_next_unknown_value): ... this.
9335         (get_value_hash): Use hash.
9336         (cselib_hash_rtx): Likewise.
9337         (new_cselib_val): Adjust.  Set and dump uid.
9338         (cselib_lookup_mem): Pass next_uid as hash.
9339         (cselib_subst_to_values): Likewise.
9340         (cselib_log_lookup): Dump uid.
9341         (cselib_lookup): Pass next_uid as hash.  Adjust.
9342         (cselib_process_insn): Adjust.
9343         (cselib_init): Initialize next_uid.
9344         (cselib_finish): Adjust.
9345         (dump_cselib_table): Likewise.
9346         * dse.c (canon_address): Dump value uid.
9347         * print-rtl.c (print_rtx): Print value uid.
9348         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
9349         (dvuid): New type.
9350         (dv_uid): New function, sort of renamed from...
9351         (dv_htab_hash): ... this, reimplemented in terms of it and...
9352         (dv_uid2hash): ... this.  New.
9353         (variable_htab_eq): Drop excess assertions.
9354         (tie_break_pointers): Removed.
9355         (canon_value_cmp): Compare uids.
9356         (variable_post_merge_New_vals): Print uids.
9357         (vt_add_function_parameters): Adjust.
9358         (vt_initialize): Reset table.  Adjust.
9359
9360 2010-02-03  Richard Guenther  <rguenther@suse.de>
9361
9362         PR tree-optimization/42944
9363         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
9364         (call_may_clobber_ref_p_1): Likewise.  Properly handle
9365         malloc and calloc clobbering errno.
9366
9367 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
9368
9369         * doc/invoke.texi: Fix name of sched1 dump.
9370
9371         * opts.c (decode_options): Set flag_tree_switch_conversion
9372         only conditionally on optimize >= 2.
9373
9374         * gcse.c: Assorted comment fixes in pass description.
9375
9376 2010-02-03  Anthony Green  <green@moxielogic.com>
9377
9378         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
9379         nop padding in order to maintain alignment of storage location of
9380         target function address.
9381         (moxie_trampoline_init): Store target function address at newly
9382         aligned location.
9383         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
9384         to 32.
9385         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
9386
9387 2010-02-03  Richard Guenther  <rguenther@suse.de>
9388
9389         PR middle-end/42927
9390         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
9391
9392 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9393
9394         * config.gcc: Reenable check for obsolete targets.
9395         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
9396         mips-sgi-irix6.[0-4]*.
9397
9398 2010-02-02  Nick Clifton  <nickc@redhat.com>
9399
9400         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
9401         constant size of 4 as being the same as 0.
9402         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
9403         can take values in the range 0..4.
9404
9405 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
9406
9407         PR java/41991
9408         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
9409         as _darwin10_Unwind_FindEnclosingFunction().
9410         * libgcc-libsystem.ver: New.
9411
9412 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
9413
9414         PR target/41399
9415         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
9416         implicitly set registers.
9417
9418 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
9419
9420         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
9421         (arm_override_options): Allow automatic selection of the thread
9422         pointer register if thumb2.
9423         (legitimize_pic_address): Improve code sequences for Thumb2.
9424         (arm_call_tls_get_addr): Likewise.
9425         (legitimize_tls_address): Likewise.
9426         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
9427         (pic_load_addr_32bit): ... this.  New named pattern.
9428         * thumb2.md (pic_load_addr_thumb2): Delete.
9429         (pic_load_dot_plus_four): Delete.
9430         (tls_load_dot_plus_four): New named pattern.
9431
9432 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9433
9434         PR libgomp/29986
9435         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
9436         Document fix for TLS bug.
9437
9438 2010-01-31  Richard Guenther  <rguenther@suse.de>
9439
9440         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
9441         conservatively correct.
9442
9443 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9444
9445         PR target/42850
9446         Revert:
9447         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9448
9449         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9450
9451 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9452
9453         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
9454
9455 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
9456
9457         * config.gcc: Adjust order of makefile fragments for mingw targets.
9458
9459 2010-01-31  Richard Guenther  <rguenther@suse.de>
9460
9461         PR middle-end/42898
9462         * gimplify.c (gimplify_init_constructor): For volatile LHS
9463         initialize a temporary.
9464
9465 2010-01-31  Matthias Klose  <doko@ubuntu.com>
9466
9467         * configure.ac: Fix __stack_chk_fail check for cross builds configured
9468         --with-headers
9469         * configure: Regenerate.
9470
9471 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
9472
9473         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
9474         the same alias set and their sizes different constantness.
9475         (aliasing_component_refs_p): Revert 2009-10-24 change.
9476
9477 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9478
9479         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
9480         unused.
9481
9482 2010-01-29  Richard Guenther  <rguenther@suse.de>
9483
9484         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
9485         Assert we successfully updated the call.
9486
9487 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
9488
9489         PR rtl-optimization/42889
9490         * df.h (df_set_bb_dirty_nonlr): New prototype.
9491         * df-core.c (df_set_bb_dirty_nonlr): New function.
9492         * df-scan.c (df_insn_rescan): Call it instead of
9493         df_set_bb_dirty for DEBUG_INSNs.
9494
9495 2010-01-29  Richard Guenther  <rguenther@suse.de>
9496
9497         PR middle-end/37448
9498         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
9499         quadratic behavior in most cases.
9500
9501 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
9502
9503         PR target/42891
9504         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
9505         in the call to gen_x86_movsicc_0_m1.
9506
9507 2010-01-28  Richard Guenther  <rguenther@suse.de>
9508
9509         PR tree-optimization/42871
9510         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
9511
9512 2010-01-28  Richard Guenther  <rguenther@suse.de>
9513
9514         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
9515         into call arguments.
9516
9517 2010-01-28  Richard Guenther  <rguenther@suse.de>
9518
9519         PR middle-end/42883
9520         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
9521         the forwarder if the destination is an EH landing pad.
9522
9523 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
9524
9525         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
9526         block list passed to gimple_duplicate_sese_tail.
9527         (parallelize_loops): Avoid parallelization when the function
9528         has_nonlocal_label.
9529         Avoid parallelization when the preheader is IRREDUCIBLE.
9530         Try to optimize when estimated_loop_iterations_int is unresolved.
9531         Add the loop's location to the dump file.
9532         * tree-cfg.c (add_phi_args_after_redirect): Remove.
9533         (gimple_duplicate_sese_tail): Remove the check for the latch.
9534         Redirect nexits to the exit block.
9535         Remove handling of the incoming edges to the latch.
9536         Redirect the backedge from the copied latch to the exit bb.
9537
9538 2010-01-28  Michael Matz  <matz@suse.de>
9539
9540         PR target/42881
9541         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
9542         Wrap force_reg into a sequence, emit it before user.
9543
9544 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
9545
9546         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
9547         (arm_rev): New.
9548         (arm_legacy_rev): Likewise.
9549         (thumb_legacy_rev): Likewise.
9550
9551 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
9552
9553         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
9554         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
9555         on MEM's address failed, try avoid_constant_pool_reference and
9556         recurse if it returned something different.
9557         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
9558         address, try avoid_constant_pool_reference and recurse if it
9559         returned something different.
9560         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
9561         address and avoid_constant_pool_reference returned something
9562         different, don't set have_address.
9563
9564 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
9565
9566         PR debug/42861
9567         * var-tracking.c (val_store): Add modified argument, obey it.
9568         Adjust callers.
9569         (count_uses): Move down logging of main.
9570         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
9571         don't need resolution.
9572         (emit_notes_in_bb): Likewise.
9573
9574 2010-01-27  Richard Guenther  <rguenther@suse.de>
9575
9576         PR middle-end/42878
9577         * tree-inline.c (remap_decl): Delay remapping of SSA name
9578         default definitions until we need them.
9579
9580 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
9581
9582         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
9583         (rs6000_delegitimize_address): New function.
9584
9585         * config/s390/s390.c (s390_delegitimize_address): Call
9586         delegitimize_mem_from_attrs.
9587
9588         PR middle-end/42874
9589         * tree-inline.c (cannot_copy_type_1): Removed.
9590         (copy_forbidden): Don't forbid copying of functions containing
9591         records/unions with variable length fields.
9592
9593 2010-01-27  Christian Bruel  <christian.bruel@st.com>
9594
9595         Revert:
9596         PR target/42841
9597         * config/sh/sh.c (find_barrier): Increase length for non delayed
9598         conditional branches.
9599
9600 2010-01-27  Matthias Klose  <doko@ubuntu.com>
9601
9602         * configure.ac (gnu-unique-object): Fix ldd version check.
9603         * configure: Regenerate.
9604
9605 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9606
9607         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
9608         HAVE_GNU_AS value.
9609         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
9610         Test for HAVE_GNU_AS value.
9611
9612 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9613
9614         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
9615         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
9616         INT64_TYPE): Define.
9617         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
9618         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
9619         INT_LEAST64_TYPE): Define.
9620         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
9621         UINT_LEAST64_TYPE): Define.
9622         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
9623         INT_FAST64_TYPE): Define.
9624         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
9625         UINT_FAST64_TYPE): Define.
9626         (INTMAX_TYPE, UINTMAX_TYPE): Define.
9627         (INTPTR_TYPE, UINTPTR_TYPE): Define.
9628         (SIG_ATOMIC_TYPE): Define.
9629
9630 2010-01-26  Richard Guenther  <rguenther@suse.de>
9631
9632         * df-scan.c (df_scan_set_bb_info): Remove assert.
9633         (df_insn_rescan_debug_internal): Merge asserts.
9634         (df_install_ref): Likewise.
9635         (df_mark_reg): Use bitmap_set_range.
9636         (df_hard_reg_used_p): Remove assert.
9637         (df_hard_reg_used_count): Likewise.
9638
9639 2010-01-26  Richard Guenther  <rguenther@suse.de>
9640
9641         PR rtl-optimization/42685
9642         * web.c (web_main): Ignore DEBUG_INSNs.
9643
9644 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
9645
9646         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
9647
9648         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
9649         Fix types of fndecl and arglist parameters.
9650
9651 2010-01-26  Richard Guenther  <rguenther@suse.de>
9652
9653         PR middle-end/42806
9654         * tree-eh.c (unsplit_eh): Skip debug insns.
9655
9656 2010-01-26  Richard Guenther  <rguenther@suse.de>
9657
9658         PR tree-optimization/42250
9659         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
9660
9661 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
9662
9663         PR fortran/42866
9664         * omp-low.c (expand_omp_sections): Only use single_pred if
9665         l2_bb is single_pred_p.
9666
9667 2010-01-25  Christian Bruel  <christian.bruel@st.com>
9668
9669         PR target/42841
9670         * config/sh/sh.c (find_barrier): Increase length for non delayed
9671         conditional branches.
9672         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
9673
9674 2010-01-24  David S. Miller  <davem@davemloft.net>
9675
9676         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
9677         define if not using GAS.
9678         * config/sparc/sparc.c (sparc_elf_asm_named_section):
9679         Likewise.  Delete SECTION_MERGE code, which is only applicable
9680         when using GAS.
9681
9682 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
9683
9684         PR c++/42748
9685         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
9686         mangling of va_list in system headers.
9687
9688 2010-01-23  Toon Moene  <toon@moene.org>
9689
9690         * tree-predcom.c (combine_chains): Return NULL, not false.
9691
9692 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
9693
9694         * tree-loop-distribution.c (distribute_loop): Fix declaration and
9695         initialization of variable res to agree with return type.
9696
9697 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
9698
9699         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
9700         * tree-sra.c: Add include of expr.h.
9701
9702 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
9703
9704         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
9705         insert the debug stmt on the single non-EH edge from the stmt.
9706
9707 2010-01-22  Richard Henderson  <rth@redhat.com>
9708
9709         PR tree-opt/42833
9710         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
9711         the RHS until after generate_subtree_copies has insertted its
9712         code before the current statement.
9713
9714 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
9715
9716         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
9717
9718         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
9719
9720 2010-01-21  Martin Jambor  <mjambor@suse.cz>
9721
9722         PR tree-optimization/42585
9723         * tree-sra.c (struct access): New field grp_total_scalarization.
9724         (dump_access): Dump the new field.
9725         (should_scalarize_away_bitmap): New variable.
9726         (cannot_scalarize_away_bitmap): Likewise.
9727         (sra_initialize): Allocate new bitmaps.
9728         (sra_deinitialize): Free new bitmaps.
9729         (create_access_1): New function.
9730         (create_access): Parts moved to create_access_1.
9731         (type_consists_of_records_p): New function.
9732         (completely_scalarize_record): Likewise.
9733         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
9734         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
9735         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
9736         access.
9737         (analyze_all_variable_accesses): Completely scalarize small eligible
9738         records.
9739
9740 2010-01-21  Martin Jambor  <mjambor@suse.cz>
9741
9742         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
9743
9744 2010-01-21  Andrew Haley  <aph@redhat.com>
9745
9746         * gcc.c (process_command): Move lang_specific_driver before
9747         setting cc_libexec_prefix.
9748
9749 2010-01-21  Richard Guenther  <rguenther@suse.de>
9750
9751         PR middle-end/19988
9752         * fold-const.c (negate_expr_p): Pretend only negative
9753         real constants are easily negatable.
9754
9755 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
9756             Jason Merrill  <jason@redhat.com>
9757
9758         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
9759         (TYPE_TRANSPARENT_AGGR): this, for union and record.
9760         * calls.c (initialize argument_information): Handle it.
9761         * c-common.c (handle_transparent_union_attribute): Use new name.
9762         * c-decl.c (finish_struct): Ditto.
9763         * c-typeck.c (type_lists_compatible_p): Ditto.
9764         (convert_for_assignment): Use new name and also handle record.
9765         * function.c (aggregate_value_p): Handle it.
9766         (pass_by_reference): Ditto.
9767         (assign_parm_data_types): Ditto.
9768         * print-tree.c (print_node): Ditto.
9769         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
9770         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
9771         * tree.c (first_field): New fn.
9772
9773 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9774
9775         PR target/42818
9776         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
9777         even when linking statically, for now.
9778
9779 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
9780
9781         PR debug/42715
9782         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
9783         without a cselib val.
9784         (count_uses): Accept MO_VAL_SET with no val on stores.
9785         (add_stores): Likewise.
9786
9787 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9788
9789         * var-tracking.c (check_value_val): Add a compile time assertion.
9790         (dv_is_decl_p): Simplify.
9791         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
9792         gcc_assert if ENABLE_CHECKING.
9793
9794 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
9795
9796         PR debug/42782
9797         * var-tracking.c: Include tree-flow.h.
9798         (mem_dies_at_call): New.
9799         (dataflow_set_preserve_mem_locs): Use it.
9800         (dataflow_set_remove_mem_locs): Likewise.
9801         (dump_var): Renamed from dump_variable.  Adjust all callers.
9802         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
9803         * Makefile.in (var-tracking.o): Adjust deps.
9804
9805 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
9806
9807         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
9808
9809 2010-01-20  Richard Guenther  <rguenther@suse.de>
9810
9811         PR tree-optimization/42717
9812         * tree-ssa-dce.c (get_live_post_dom): Remove.
9813         (forward_edge_to_pdom): Take an arbitrary edge to copy
9814         degenerate PHI args from.
9815         (remove_dead_stmt): Use the first post-dominator even if it
9816         does not contain live statements as redirection destination.
9817
9818 2010-01-20  Richard Guenther  <rguenther@suse.de>
9819
9820         * tree-inline.c (estimate_num_insns): Handle EH builtins.
9821
9822 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9823
9824         * sel-sched.c (create_speculation_check): Remove set but not used
9825         variable twin.
9826         (try_transformation_cache): Remove set but not used variable ds.
9827         (calculate_privileged_insns): Remove set but not used variables
9828         cur_insn and min_spec_insn.
9829         (find_best_expr): Remove set but not used variable avail_n.
9830         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
9831         variable e.
9832         * cgraphunit.c (assemble_thunk): Remove set but not used variable
9833         false_label.
9834         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
9835         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
9836         new_scop_exit_edge.
9837
9838 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
9839
9840         PR bootstrap/42786
9841         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
9842         cpu types.  Add support for *-sse3 cpu types.
9843         (x86_64-*-*): Ditto.
9844
9845 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9846
9847         PR middle-end/42803
9848         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
9849         argument, call initializer_constant_valid_p_1 instead of
9850         initializer_constant_valid_p, pass CACHE to it, return NULL
9851         immediately if first call returns NULL.
9852         (initializer_constant_valid_p_1): New function.
9853         (initializer_constant_valid_p): Use it.
9854
9855 2010-01-20  Thomas Quinot  <quinot@adacore.com>
9856
9857         * tree.def (PLACEHOLDER_EXPR): Fix comment.
9858
9859 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9860
9861         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
9862         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
9863         (loc_list_from_tree): Don't handle unsigned division.  Handle
9864         signed modulo using DW_OP_{over,over,div,mul,minus}.
9865         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
9866         modulo instead of signed.
9867
9868 2010-01-20  DJ Delorie  <dj@redhat.com>
9869
9870         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
9871         (Fpa): Pass it
9872         (h8300_emit_stack_adjustment): Propogate it.
9873         (push): Pass it.
9874         (h8300_expand_prologue): Likewise.
9875         (h8300_expand_epilogue): Likewise.
9876
9877 2010-01-19  Michael Matz  <matz@suse.de>
9878
9879         PR tree-optimization/41783
9880         * tree-data-ref.c (toplevel): Include flags.h.
9881         (dump_data_dependence_relation):  Also dump the inputs if the
9882         result will be unknown.
9883         (split_constant_offset_1): Look through some conversions.
9884         * tree-predcom.c (determine_roots_comp): Restart a new chain if
9885         the offset from last element is too large.
9886         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
9887         (reassociate_to_the_same_stmt): Handle vector registers.
9888         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
9889         (e.g. conversions).
9890         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
9891         wide_prolog_niters argument, emit widening instructions.
9892         (vect_do_peeling_for_alignment): Adjust caller, use widened
9893         variant of the iteration cound.
9894         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
9895
9896 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9897
9898         PR target/38697
9899         * config/arm/neon-testgen.m (emit_automatics): New parameter
9900         features. Adjust for Fixed_return_reg feature.
9901         (test_intrinsic): Call emit_automatics with new feature.
9902         * config/arm/neon.ml: Update copyright years.
9903         (features): New Fixed_return_reg feature.
9904         (ops): Update feature for Vget_low.
9905
9906 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
9907
9908         PR tree-optimization/42719
9909         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
9910         stmt uses.
9911
9912         PR debug/42728
9913         * fwprop.c (all_uses_available_at): Return false if def_set dest
9914         is a REG that is used in def_insn.
9915
9916 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
9917
9918         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
9919
9920         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
9921         Add argument names.
9922
9923         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
9924
9925         * target.h (struct gcc_target) <secondary_reload>: Change type
9926         of last argument to secondary_reload_info *.
9927
9928 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
9929
9930         PR target/42774
9931         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
9932         memory references with unaligned offsets.  Remove CQImode handling.
9933         (unaligned_memory_operand): Return 1 for memory references with
9934         unaligned offsets.  Remove CQImode handling.
9935
9936 2010-01-18  Richard Guenther  <rguenther@suse.de>
9937
9938         PR middle-end/39954
9939         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
9940         builtin calls.
9941
9942 2010-01-18  Richard Guenther  <rguenther@suse.de>
9943
9944         PR tree-optimization/42781
9945         * tree-ssa-structalias.c (find_what_var_points_to): Skip
9946         restrict processing only if the original variable was artificial.
9947
9948 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
9949
9950         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
9951         find number of popped argument bytes.
9952
9953         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
9954         Fix the text that describes the return value for invalid insns.
9955
9956         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
9957
9958         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
9959         Clarify what 'cost of the -dependence' is.  Fix quoting.
9960
9961         * toplev.c (default_get_pch_validity): Rename argument to "sz".
9962         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
9963
9964 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
9965
9966         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
9967         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
9968
9969 2010-01-17  Richard Guenther  <rguenther@suse.de>
9970
9971         PR middle-end/42248
9972         * function.c (split_complex_args): Take a VEC to modify.
9973         (assign_parms_augmented_arg_list): Build a VEC instead of
9974         a chain of PARM_DECLs.
9975         (assign_parms_unsplit_complex): Take a VEC of arguments.
9976         Do not fixup unmodified parms.
9977         (assign_parms): Deal with the VEC.
9978         (gimplify_parameters): Likewise.
9979
9980 2010-01-17  Richard Guenther  <rguenther@suse.de>
9981
9982         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
9983         node existence check.
9984         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
9985         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
9986         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
9987         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
9988         (gimple_execute_on_growing_pred): Likewise.
9989
9990 2010-01-17  Richard Guenther  <rguenther@suse.de>
9991
9992         PR tree-optimization/42773
9993         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
9994         (compute_antic_aux): Likewise.
9995         (compute_partial_antic_aux): Likewise.
9996
9997 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
9998
9999         PR debug/42767
10000         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
10001         and US_TRUNCATE.
10002
10003 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
10004
10005         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
10006         appearance.
10007
10008         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
10009         Fix markup for strict argument.
10010
10011         (TARGET_SCHED_REORDER2): Fix argument types.
10012
10013         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
10014         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
10015
10016         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
10017         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
10018
10019         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
10020         Add argument name.
10021
10022         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
10023         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
10024         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
10025         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
10026         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
10027
10028         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
10029
10030         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
10031
10032         (TARGET_ASM_RELOC_RW_MASK): Add return type.
10033         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
10034
10035         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
10036
10037         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
10038         Use prototype.
10039
10040         (TARGET_ASM_NAMED_SECTION): Fix argument list.
10041
10042         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
10043         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
10044
10045         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
10046
10047         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
10048
10049         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
10050         referring to it.  Fix language.
10051
10052         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
10053
10054         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
10055
10056         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
10057
10058         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
10059
10060         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
10061         '@var{stream}.  Remove stray 'and'.
10062
10063         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
10064
10065         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
10066
10067         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
10068
10069         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
10070         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
10071
10072         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
10073         Fix description of return value.
10074         Rename argument "sz" to "len."
10075
10076         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
10077         Clarify meaning of 'true' return value.
10078
10079         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
10080
10081         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
10082         rep_mode versus mode_rep.
10083
10084         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
10085
10086         (TARGET_BUILTIN_DECL): Fix name.
10087
10088         (TARGET_COMMUTATIVE_P): Fix type of first argument.
10089
10090         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
10091
10092         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
10093
10094         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
10095
10096         (TARGET_RELAXED_ORDERING): Use @deftypevr.
10097
10098         (TARGET_GET_DRAP_RTX): Note that this is a hook.
10099         Clarify language.
10100
10101         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
10102         Rename argument tm_fn to md_fn.
10103
10104         (TARGET_OPTION_PRINT): Fix argument list.
10105
10106 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
10107
10108         PR target/42664
10109         * config/i386/i386.c (ix86_fixup_binary_operands):
10110         Revert FMA4 fixup of operands.
10111
10112 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10113
10114         PR gcc/42525
10115         * Makefile.in (write_entries_to_file, install-plugin):
10116         Use \012 instead of \n with tr.
10117
10118 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
10119
10120         * configure.ac (HAVE_AS_REF): New C macro.
10121         * configure: Regenerate.
10122         * config.in: Likewise.
10123         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
10124         if HAVE_AS_REF.
10125         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
10126         if HAVE_AS_REF.
10127
10128 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
10129
10130         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
10131
10132         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
10133
10134         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
10135
10136         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
10137
10138         (TARGET_IN_SMALL_DATA_P): Fix argument type.
10139
10140         (TARGET_BINDS_LOCAL_P): Fix argument type.
10141
10142         (TARGET_ASM_FILE_END): Use prototype.
10143
10144         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
10145
10146         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
10147
10148         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
10149
10150         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
10151
10152         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
10153         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
10154
10155         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
10156         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
10157
10158         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
10159         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
10160         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
10161         (TARGET_ADDR_SPACE_CONVERT): Likewise.
10162
10163         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
10164
10165         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
10166
10167         (TARGET_INIT_BUILTINS): Use prototype.
10168
10169         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
10170         Put 'const char *' in braces.  Fix parameter types.
10171         (TARGET_INVALID_CONVERSION): Fix parameter types.
10172         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
10173         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
10174
10175         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
10176         Fix argument type.
10177
10178         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
10179
10180         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
10181
10182 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
10183
10184         * doc/tm.texi (TARGET_HELP): Fix return type.
10185
10186         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
10187         in braces.  Fix argument types.
10188
10189         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
10190
10191         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
10192
10193         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
10194
10195         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
10196         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
10197
10198         (TARGET_MANGLE_TYPE): Fix argument types.
10199
10200         (TARGET_IRA_COVER_CLASSES): Use prototype.
10201
10202         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
10203
10204         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
10205
10206         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
10207
10208         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
10209
10210         (TARGET_CALLEE_COPIES): Fix argument types.
10211
10212         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
10213
10214         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
10215
10216         (TARGET_FUNCTION_VALUE): Fix argument types.
10217
10218         (TARGET_RETURN_IN_MSB): Fix argument type.
10219
10220         (TARGET_RETURN_IN_MEMORY): Fix argument types.
10221
10222         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
10223
10224         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
10225
10226         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
10227         agree with return type.
10228
10229         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
10230
10231 2010-01-15  Jing Yu  <jingyu@google.com>
10232
10233         PR rtl-optimization/42691
10234         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
10235         a pseudo to a constant and are merged, and adjust comments.
10236
10237 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
10238
10239         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
10240
10241 2010-01-15  Richard Guenther  <rguenther@suse.de>
10242
10243         PR middle-end/42739
10244         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
10245         labels of computed or non-local gotos to the destination.
10246         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
10247         landing pad label is the first label.
10248
10249 2010-01-15  Richard Guenther  <rguenther@suse.de>
10250
10251         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
10252
10253 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
10254
10255         PR target/42747
10256         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
10257         to allow generation of the xssqrtdp instruction on power7.
10258         (sqrtdf2_fpr): Ditto.
10259
10260 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
10261
10262         PR middle-end/42674
10263         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
10264         functions with noreturn attribute.
10265
10266         PR c++/42608
10267         * varasm.c (declare_weak): Add weak attribute to decl if it
10268         doesn't have one already.
10269         (assemble_external): Only add decls to weak_decls if they also
10270         have weak attribute.
10271
10272 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
10273
10274         * var-tracking.c (var_reg_delete): Don't delete the association
10275         between REGs and values or one-part variables if the register
10276         isn't clobbered.
10277
10278 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
10279
10280         PR debug/42657
10281         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
10282         because its first operand is a non-localized variable.
10283
10284 2010-01-14  Martin Jambor  <mjambor@suse.cz>
10285
10286         PR tree-optimization/42706
10287         * tree-sra.c (encountered_recursive_call): New variable.
10288         (encountered_unchangable_recursive_call): Likewise.
10289         (sra_initialize): Initialize both new variables.
10290         (callsite_has_enough_arguments_p): New function.
10291         (scan_function): Call decl and flags check only for IPA-SRA, check
10292         whether there is a recursive call and whether it has enough arguments.
10293         (all_callers_have_enough_arguments_p): New function.
10294         (convert_callers): Look for recursive calls only when
10295         encountered_recursive_call is set.
10296         (ipa_early_sra): Bail out either if
10297         !all_callers_have_enough_arguments_p or
10298         encountered_unchangable_recursive_call.
10299
10300 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10301
10302         * sel-sched.c: Add 2010 to copyright years.
10303         * sel-sched-ir.c: Likewise.
10304         * sel-sched-ir.h: Likewise.
10305
10306 2010-01-14  Martin Jambor  <mjambor@suse.cz>
10307
10308         PR tree-optimization/42714
10309         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
10310         constructors specially.
10311
10312 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10313
10314         * config/i386/drivers-i386.c (detect_caches_intel):
10315         Add l2sizekb parameter and fill in.
10316         (host_detect_local_cpu): Add l2sizekb, fill in.
10317         Add Atom small cache heuristic.
10318
10319 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10320
10321         * config/i386/drivers-i386.c (detect_caches_cpuid4):
10322         Add level3 parameter and fill in.
10323         (detect_caches_intel): Handle level3 cache.
10324
10325 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10326
10327         * config/i386/drivers-i386.c (host_detect_local_cpu):
10328         Fix core duo detection.
10329
10330 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10331
10332         * config/i386/drivers-i386.c (host_detect_local_cpu):
10333         Fix Atom detection.
10334
10335 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10336
10337         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
10338         (rs6000_variable_issue_1): this.  Use...
10339         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
10340
10341 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10342
10343         * sel-sched-ir.c (sel_restore_other_notes): Rename to
10344         sel_restore_notes.  Update all callers.  Call reemit_notes
10345         for all insns.
10346
10347 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10348
10349         PR rtl-optimization/42246
10350         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
10351         loops.
10352
10353 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10354
10355         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
10356         all successors is the same as number of successors in current region.
10357
10358 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10359
10360         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
10361         to rename is not separable.  Otherwise check that its LHS is not NULL.
10362
10363 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10364
10365         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
10366
10367 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10368
10369         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
10370         available registers when failed to discover LHS register class.
10371         Fix indentation.  Update comment.
10372
10373 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10374             Alexander Monakov  <amonakov@ispras.ru>
10375
10376         PR rtl-optimization/42389
10377         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
10378         to can_issue_more.
10379         (advance_state_on_fence): Likewise.
10380         (sel_target_adjust_priority): Print debug output only when
10381         sched_verbose >= 4, not 2.
10382         (get_expr_cost): Do not issue all unique insns on the next cycle.
10383         (fill_insns): Initialize can_issue_more from the value saved
10384         with the fence.
10385         * sel-sched-ir.c (flist_add): New parameter issue_more.
10386         Init FENCE_ISSUE_MORE with it.
10387         (merge_fences): Likewise.
10388         (init_fences): Update call to flist_add.
10389         (add_to_fences, add_clean_fence_to_fences)
10390         (add_dirty_fence_to_fences): Likewise.
10391         (move_fence_to_fences): Update call to merge_fences.
10392         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
10393         sched groups.
10394         * sel-sched-ir.h (struct _fence): New field issue_more.
10395         (FENCE_ISSUE_MORE): New accessor macro.
10396
10397 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10398
10399         PR rtl-optimization/42388
10400         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
10401         that have no predecessors nor successors.  Do not call move_bb_info
10402         for empty blocks outside of current region.
10403
10404 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10405
10406         PR rtl-optimization/42294
10407         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
10408         * sel-sched.c (move_exprs_to_boundary): Transitively add all
10409         originators' originators.
10410
10411 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10412
10413         PR rtl-optimization/39453
10414         PR rtl-optimization/42246
10415         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
10416         for pipelining_p.
10417         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
10418
10419 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10420             Alexander Monakov  <amonakov@ispras.ru>
10421
10422         PR middle-end/42245
10423         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
10424         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
10425         argument.  Update all callers.
10426         (tidy_control_flow): ... and here.  Recompute topological order
10427         of basic blocks in region if necessary.
10428         (sel_redirect_edge_and_branch): Change return type.  Return true
10429         if topological order might have been invalidated.
10430         (purge_empty_blocks): Export and move from...
10431         * sel-sched.c (purge_empty_blocks): ... here.
10432         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
10433         (maybe_tidy_empty_bb): Delete prototype.
10434         (purge_empty_blocks): Declare.
10435
10436 2010-01-14  Andrey Belevantsev <abel@ispras.ru>
10437
10438         PR rtl-optimization/42249
10439         * sel-sched.c (try_replace_dest_reg): When chosen register
10440         and original register is the same, do not bail out early, but
10441         still check all original insns for validity of replacing destination
10442         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
10443         in this case.
10444
10445 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
10446
10447         PR c/42721
10448         Port from no-undefined-overflow branch:
10449         2009-03-09  Richard Guenther  <rguenther@suse.de>
10450
10451         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
10452
10453 2010-01-14  Richard Guenther  <rguenther@suse.de>
10454
10455         PR lto/42665
10456         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
10457
10458 2010-01-14  Ira Rosen  <irar@il.ibm.com>
10459
10460         PR tree-optimization/42709
10461         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
10462         as scalar type in creation of constant vector operand.
10463
10464 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10465
10466         PR testsuite/42414
10467         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
10468         (check-parallel-%): Match `testsuite' directory component only
10469         at the end.
10470
10471 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
10472
10473         PR translation/39521
10474         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
10475         strings with _().
10476
10477 2010-01-13  Richard Guenther  <rguenther@suse.de>
10478
10479         PR tree-optimization/42730
10480         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
10481         offset zero.
10482
10483 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
10484
10485         PR target/pr42542
10486         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
10487         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
10488         them signed.
10489
10490 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10491
10492         * config/bfin/libgcc-bfin.ver: Regenerate based on current
10493         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
10494         ___umulsi3_highpart.
10495
10496         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
10497         rather than schedule_insns if the pass is enabled.
10498
10499 2010-01-13  Martin Jambor  <mjambor@suse.cz>
10500
10501         PR tree-optimization/42704
10502         * tree-sra.c (sra_modify_assign): Do not delete assignments to
10503         SSA_NAMEs.
10504
10505 2010-01-13  Martin Jambor  <mjambor@suse.cz>
10506
10507         PR tree-optimization/42703
10508         * tree-sra.c (analyze_access_subtree): Check that we can build a
10509         reference to the original data within the aggregate.
10510
10511 2010-01-13  Richard Guenther  <rguenther@suse.de>
10512
10513         PR tree-optimization/42705
10514         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
10515
10516 2010-01-13  Richard Guenther  <rguenther@suse.de>
10517
10518         PR middle-end/42716
10519         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
10520
10521 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
10522
10523         PR debug/41371
10524         * var-tracking.c (values_to_unmark): New variable.
10525         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
10526         values_to_unmark vector.  Moved body to...
10527         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
10528         instead queue it into values_to_unmark vector.
10529         (vt_find_locations): Free values_to_unmark vector.
10530
10531 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
10532
10533         * config/s390/s390.c (override_options): Set
10534         default of max-pending-list-length to 256
10535
10536 2010-01-13  Richard Guenther  <rguenther@suse.de>
10537
10538         PR lto/42678
10539         * tree-pass.h (PROP_gimple_lcx): New.
10540         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
10541         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
10542         before the final cleanup_eh.
10543         (dump_properties): Dump PROP_gimple_lcx.
10544         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
10545         (tree_lower_complex_O0): Remove.
10546         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
10547         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
10548         tree_lower_complex, schedule TODO_update_ssa.
10549         * lto-streamer-out.c (output_function): Stream the functions
10550         properties.
10551         * lto-streamer-in.c (input_function): Likewise.
10552         (lto_read_body): Do not override them here.
10553
10554 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
10555
10556         PR c/42708
10557         * c-typeck.c (build_c_cast): Fold value cast to union type before
10558         wrapping it in a CONSTRUCTOR.
10559
10560 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
10561
10562         PR rtl-optimization/42699
10563         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
10564         involved.
10565
10566 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10567
10568         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
10569         SUBTARGET_WARN_UNUSED_SPEC): Move ...
10570         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
10571         SUBTARGET_WARN_UNUSED_SPEC): ... here
10572         * config/mips/iris5.h (LIBGCC_SPEC): Define.
10573
10574 2010-01-12  Julian Brown  <julian@codesourcery.com>
10575
10576         * config/arm/neon-schedgen.ml (Utils): Don't try to
10577         open missing module.
10578         (find_with_result): New.
10579
10580 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
10581
10582         PR debug/42662
10583         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
10584         sharing when canonicalizing ({lt,ge}u (plus a b) b).
10585
10586         PR tree-optimization/42645
10587         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
10588         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
10589         decl_map, set processing_debug_stmt to -1 and return name without
10590         any remapping.
10591
10592 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
10593
10594         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
10595         binutils version, and reword target configuration description.
10596
10597 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
10598
10599         * config/avr/avr.h (LINKER_NAME): Remove.
10600
10601 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
10602
10603         PR target/42416
10604         * config/rs6000/rs6000.c (rs6000_override_options): On targets
10605         that support VSX, warn for -mno-altivec if vsx is not disabled,
10606         and disable vsx.
10607
10608 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
10609             Shujing Zhao  <pearly.zhao@oracle.com>
10610
10611         PR translation/42469
10612         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
10613         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
10614         character between option name and help text.
10615         * c.opt (imultilib): Likewise.
10616
10617 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
10618
10619         * lto-streamer-out.c (output_unreferenced_globals): Output static
10620         variables.
10621
10622 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
10623
10624         PR rtl-optimization/42621
10625         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
10626         optimizing for size.
10627         (duplicate_computed_gotos): Remove now-redundant check.
10628
10629 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
10630
10631         PR target/37454
10632         * configure.ac: Save and restore LDFLAGS and LIBS
10633         * configure: Regenerate.
10634
10635 2010-01-10  Richard Guenther  <rguenther@suse.de>
10636
10637         PR middle-end/42667
10638         * builtins.c (fold_builtin_strlen): Add type argument and
10639         convert the resulting length to it.
10640         (fold_builtin_1): Adjust.
10641
10642 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
10643
10644         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
10645         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
10646         1 insn.
10647         (num_insns_constant_wide): Adjust for that change.
10648
10649 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10650
10651         PR debug/42631
10652         * web.c (union_defs): Add used argument, to combine uses of
10653         uninitialized regs.
10654         (entry_register): Adjust type and tests of used argument.
10655         (web_main): Widen used for new use.  Pass it to union_defs.
10656         * df.h (union_defs): Adjust prototype.
10657
10658 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10659
10660         PR debug/42630
10661         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
10662         uses in new incoming argument.  Free body.
10663         (reset_debug_uses_in_loop): New.
10664         (analyze_insn_to_expand_var): Call the latter if the former found
10665         anything.  Fix whitespace.  Reject invalid dest overlaps before
10666         going through all insns in the loop.
10667
10668 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10669
10670         PR debug/42629
10671         * haifa-sched.c (dying_use_p): Debug insns don't count.
10672
10673 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10674
10675         PR middle-end/42363
10676         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
10677         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
10678         (verify_gimple_call): Reject LHS in noreturn calls.
10679
10680 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10681
10682         PR debug/42604
10683         PR debug/42395
10684         * tree-vect-loop-manip.c (adjust_info): New type.
10685         (adjust_vec): New pointer to vector.
10686         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
10687         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
10688         (slpeel_update_phis_for_duplicate_loop): Use them.
10689         (slpeel_update_phi_nodes_for_guard1): Likewise.
10690         (slpeel_update_phi_nodes_for_guard2): Likewise.
10691         (slpeel_tree_peel_loop_to_edge): Likewise.
10692         (vect_update_ivs_after_vectorizer): Likewise.
10693
10694 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10695
10696         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
10697         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
10698
10699 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10700
10701         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
10702         bogus uninitialized warning.
10703
10704 2010-01-09  Richard Guenther  <rguenther@suse.de>
10705
10706         PR middle-end/42512
10707         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
10708         the evolution is compatible with the initial condition.
10709
10710 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
10711
10712         * gcc.c (process_command): Update copyright notice dates.
10713         * gcov.c (print_version): Likewise.
10714         * gcov-dump.c (print_version): Likewise.
10715         * mips-tfile.c (main): Likewise.
10716         * mips-tdump.c (main): Likewise.
10717
10718 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
10719
10720         PR target/41885
10721         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
10722         (rotlhi3): Delete.
10723         (rotlhi3_8): Delete.
10724         (rotlsi3): Delete.
10725         (rotlsi3_8): Delete.
10726         (rotlsi3_16): Delete.
10727         (rotlsi3_24): Delete.
10728         (rotl<mode>3): New.
10729         (*rotw<mode>3): New.
10730         (*rotb<mode>3): New.
10731         * config/avr/avr.c (avr_rotate_bytes): New function.
10732         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
10733
10734 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
10735
10736         PR target/37454
10737         * configure.ac: Modify -rdynamic check.
10738         * configure: Regenerate.
10739
10740 2010-01-08  DJ Delorie  <dj@redhat.com>
10741
10742         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
10743         register popping order.
10744
10745 2010-01-08  Richard Guenther  <rguenther@suse.de>
10746
10747         PR lto/42528
10748         * c.opt (fsigned-char): Also let LTO handle this option.
10749         (funsigned-char): Likewise.
10750
10751 2010-01-07  Richard Guenther  <rguenther@suse.de>
10752
10753         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
10754         (gimple_op): Likewise.
10755         (gimple_op_ptr): Likewise.
10756         (gimple_assign_set_lhs): Remove gcc_assert.
10757         (gimple_assign_set_rhs1): Likewise.
10758         (gimple_assign_set_rhs2): Likewise.
10759         (gimple_call_set_lhs): Likewise.
10760         (gimple_call_set_fn): Likewise.
10761         (gimple_call_set_fndecl): Likewise.
10762         (gimple_call_fndecl): Likewise.
10763         (gimple_call_return_type): Likewise.
10764         (gimple_call_set_chain): Likewise.
10765         (gimple_call_num_args): Likewise.
10766         (gimple_call_set_arg): Likewise.
10767         (gimple_cond_set_code): Likewise.
10768         (gimple_cond_set_lhs): Likewise.
10769         (gimple_cond_set_rhs): Likewise.
10770         (gimple_cond_set_true_label): Likewise.
10771         (gimple_cond_set_false_label): Likewise.
10772         (gimple_label_set_label): Likewise.
10773         (gimple_goto_set_dest): Likewise.
10774         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
10775         (gimple_debug_bind_get_value): Likewise.
10776         (gimple_debug_bind_get_value_ptr): Likewise.
10777         (gimple_debug_bind_set_var): Likewise.
10778         (gimple_debug_bind_set_value): Likewise.
10779         (gimple_debug_bind_reset_value): Likewise.
10780         (gimple_debug_bind_has_value_p): Likewise.
10781         (gimple_return_retval_ptr): Remove gcc_assert.
10782         (gimple_return_retval): Likewise.
10783         (gimple_return_set_retval): Likewise.
10784         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
10785         (safe_referenced_var_iterator): Remove.
10786         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
10787         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
10788         (fill_referenced_var_vec): Remove.
10789         (first_readonly_imm_use): Remove redundant gcc_assert.
10790         (phi_arg_index_from_use): Combine gcc_asserts.
10791         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
10792         (first_imm_use_stmt): Remove redundant gcc_assert.
10793         * tree-cfg.c (verify_gimple_call): Verify function and chain
10794         operands.  Verify arguments.
10795         (verify_types_in_gimple_stmt): Verify condition code and labels.
10796
10797 2010-01-07  Richard Guenther  <rguenther@suse.de>
10798
10799         PR tree-optimization/42641
10800         * sese.c (rename_map_elt_info): Use the SSA name version, do
10801         not hash pointers.
10802
10803 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
10804
10805         PR tree-optimization/42625
10806         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
10807         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
10808
10809 2010-01-07  Duncan Sands  <baldrick@free.fr>
10810
10811         * Makefile.in (PLUGIN_HEADERS): Add version.h.
10812
10813 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
10814
10815         PR target/42511
10816         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
10817         note itself is not function_invariant_p.
10818
10819 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
10820
10821         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
10822         Do not add the DF_NOTE problem.
10823         * store-motion.c (execute_rtl_store_motion): Likewise.
10824
10825 2010-01-07  Martin Jambor  <mjambor@suse.cz>
10826
10827         PR tree-optimization/42157
10828         * tree-sra.c (compare_access_positions): Stabilize sort if both
10829         accesses have integer types, return zero immediately if they are the
10830         same.
10831
10832 2010-01-06  Richard Henderson  <rth@redhat.com>
10833
10834         PR middle-end/41883
10835         * haifa-sched.c (add_to_note_list): Merge into ...
10836         (concat_note_lists): ... here, and ...
10837         (unlink_other_notes, rm_other_notes): Merge into...
10838         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
10839         NOTE_INSN_EPILOGUE_BEG.
10840
10841 2010-01-06  Richard Guenther  <rguenther@suse.de>
10842
10843         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
10844         not inline regular functions into always-inline functions.
10845
10846 2010-01-06  Nick Clifton  <nickc@redhat.com>
10847
10848         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
10849         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
10850         used together.
10851         (OVERRIDE_OPTIONS): Delete.
10852         (OPTIMIZATION_OPTIONS): Define.
10853         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
10854         * config/rx/rx.c (rx_handle_option): Issue an error message if
10855         -mcpu=rx200 and -fpu are used together.
10856         (rx_set_optimization_options): New function.  Issue an error
10857         message if an optimization attribute attempts to reset the FPU/
10858         math optimization pairing.
10859         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
10860         * config/rx/rx.opt: Set the default to 32-bit doubles.
10861         * config/rx/t-rx: Add multilibs for -nofpu option.
10862         * doc/invoke.texi: Update documentation of RX options.
10863
10864 2010-01-06  Richard Guenther  <rguenther@suse.de>
10865
10866         * tree-ssa-pre.c (name_to_id): New global.
10867         (alloc_expression_id): Simplify SSA name handling.
10868         (lookup_expression_id): Likewise.
10869         (init_pre): Zero name_to_id.
10870         (fini_pre): Free it.
10871
10872 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
10873
10874         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
10875
10876 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
10877
10878         PR target/42542
10879         * config/i386/sse.md (smaxv2di3): New.
10880         (umaxv2di3): Likewise.
10881         (sminv2di3): Likewise.
10882         (uminv2di3): Likewise.
10883
10884 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
10885
10886         PR target/42564
10887         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
10888         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
10889         (legitimize_tls_address): Likewise.
10890         (sparc_tls_referenced_p): Likewise.
10891         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
10892         and adjust calls to legitimize_pic_address.
10893         (legitimate_constant_p) Use sparc_tls_referenced_p.
10894         (legitimate_pic_operand_p): Likewise.
10895         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
10896         (sparc_tls_symbol_ref_1): Delete.
10897         (sparc_tls_referenced_p): Make static, recognize specific patterns.
10898         (legitimize_tls_address): Make static, handle CONST patterns.
10899         (legitimize_pic_address): Make static, remove unused parameter and
10900         adjust recursive calls.
10901         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
10902         and adjust call to legitimize_pic_address.
10903         (sparc_output_mi_thunk): Likewise.
10904
10905 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
10906             H.J. Lu  <hongjiu.lu@intel.com>
10907
10908         PR target/42542
10909         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
10910         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
10911         operands to make them signed.
10912
10913         Revert:
10914         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
10915
10916         PR target/42542
10917         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10918         GTU to GT for V4SI and V2DI.
10919
10920         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10921         (umin<mode>3): Removed.
10922         (uminv8hi3): New.
10923         (uminv4si3): Likewise.
10924
10925 2010-01-05  Martin Jambor  <mjambor@suse.cz>
10926
10927         PR tree-optimization/42462
10928         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
10929         current_function_decl to helper functions and macros.
10930
10931 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10932
10933         PR bootstrap/41771
10934         * flags.h: Don't include real.h.
10935         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
10936         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
10937         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
10938         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
10939         * dominance.c: Update copyright.
10940         * gimple.c (walk_gimple_op): Remove inline.
10941         * tree-ssa-reassoc.c: Include real.h.
10942         * Makefile.in (FLAGS_H): Remove $(REAL_H).
10943         (tree-ssa-reassoc.o): Depend on $(REAL_H).
10944
10945 2010-01-05  Nick Clifton  <nickc@redhat.com>
10946
10947         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
10948         register to push into the stack frame when the accumulator has to
10949         be saved during interrupts.
10950
10951 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
10952
10953         * doc/invoke.texi: Remove the documentation about option
10954         -Wunreachable-code.
10955         * common.opt (Wunreachable-code):  Preserved for backward
10956         compatibility.
10957         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
10958         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
10959         the backward compatibility flag section.
10960
10961 2010-01-05  Richard Guenther  <rguenther@suse.de>
10962
10963         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
10964
10965 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
10966
10967         PR other/42611
10968         * cfgexpand.c (expand_one_var): Diagnose too large variables.
10969
10970         PR tree-optimization/42508
10971         * tree-sra.c (convert_callers): Check for recursive call
10972         by comparing cgraph nodes instead of decls.
10973         (modify_function): Call ipa_modify_formal_parameters also
10974         on all same_body aliases.
10975
10976         * cgraphunit.c (cgraph_materialize_all_clones): Compare
10977         cgraph nodes when checking for same_body aliases.
10978
10979 2010-01-05  Richard Guenther  <rguenther@suse.de>
10980
10981         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
10982         allocation and lookup.
10983         (get_or_alloc_expr_for_constant): Likewise.
10984         (phi_translate): Sink allocation.
10985
10986 2010-01-04  Richard Guenther  <rguenther@suse.de>
10987
10988         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
10989         a new entry only if needed.
10990         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
10991         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
10992         hashtable lookup.
10993         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
10994         the result array.
10995         (phi_translate): Handle CONSTANTs early.
10996
10997 2010-01-04  Martin Jambor  <mjambor@suse.cz>
10998
10999         PR tree-optimization/42398
11000         * tree-sra.c (struct access): Removed flag grp_different_types.
11001         (dump_access): Do not dump the removed flag.
11002         (sort_and_splice_var_accesses): Do not set the removed flag.
11003         (sra_modify_expr): Check for type compatibility directly.
11004
11005 2010-01-04  Martin Jambor  <mjambor@suse.cz>
11006
11007         PR tree-optimization/42366
11008         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
11009         edges with variable number of parameters.
11010         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
11011         flag instead of asserting it.
11012         (ipa_read_node_info): Read uses_analysis_done flag.
11013
11014 2010-01-04  Richard Guenther  <rguenther@suse.de>
11015
11016         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
11017         iterative_hash_* as intended.
11018         (vn_reference_compute_hash): Likewise.  Simplify hashing
11019         SSA names.
11020         (vn_reference_lookup_2): Likewise.
11021         (vn_nary_op_compute_hash): Likewise.
11022         (vn_phi_compute_hash): Likewise.
11023         (expressions_equal_p): Remove strange code.
11024         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
11025         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
11026         (bitmap_insert_into_set_1): Take value-id as parameter.
11027         (add_to_value): Pass it.
11028         (bitmap_insert_into_set): Likewise.
11029         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
11030
11031 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
11032
11033         PR driver/42442
11034         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
11035         (do_self_spec): For switches with SWITCH_IGNORE set set also
11036         SWITCH_IGNORE_PERMANENTLY.
11037         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
11038         of SWITCH_IGNORE.
11039
11040 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
11041
11042         * lto-streamer-out.c (output_unreferenced_globals): Output the full
11043         tree of an unreferenced global var.
11044
11045 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11046
11047         PR target/42542
11048         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
11049         GTU to GT for V4SI and V2DI.
11050
11051         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
11052         (umin<mode>3): Removed.
11053         (uminv8hi3): New.
11054         (uminv4si3): Likewise.
11055
11056 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11057
11058         PR lto/42581
11059         * collect2.c (main): Turn on trace in collect2 if -v is passed
11060         to gcc with LTO.
11061
11062 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
11063
11064         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
11065         description of expression operand.
11066
11067 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
11068
11069         * configure.ac: Add install-html to target_list for Make-hooks.
11070         * configure: Regenerate.
11071         * fortran/Make-lang.in (F95_HTMLFILES): New.
11072         (fortran.html): Use it.
11073         (fortran.install-html): New.
11074         * Makefile.in (install-html): Add lang.install-html.
11075         * java/Make-lang.in (JAVA_HTMLFILES): New.
11076         (java.html): Use it.
11077         (java.install-html): New.
11078         * objc/Make-lang.in (objc.install-html): New.
11079         * objcp/Make-lang.in (obj-c++.install-html): New.
11080         * cp/Make-lang.in (c++.install-html): New.
11081         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
11082         * lto/Make-lang.in (lto.install-html): New.
11083
11084 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
11085
11086         PR lto/42520
11087         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
11088
11089 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
11090
11091         PR rtl-optimization/41862
11092         * store-motion.c (store_killed_in_insn, compute_store_table,
11093         remove_reachable_equiv_notes, replace_store_insn,
11094         build_store_vectors): Ignore all DEBUG_INSNs.
11095
11096 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
11097
11098         PR lto/41564
11099         * common.opt: Add dumpdir.
11100
11101         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
11102         isn't specified.
11103         (option_map): Add --dumpdir.
11104
11105         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
11106
11107         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
11108
11109         * opts.c (decode_options): Try dump_dir_name first if
11110         dump_base_name isn't an absolute path.
11111         (common_handle_option): Handle OPT_dumpdir.
11112
11113         * toplev.c (dump_dir_name): New.
11114         (print_switch_values): Also ignore -dumpdir.
11115
11116         * toplev.h (dump_dir_name): New.
11117
11118 2010-01-03  Richard Guenther  <rguenther@suse.de>
11119
11120         PR tree-optimization/42589
11121         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
11122         double-word expansion of bswap32.
11123
11124 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
11125
11126         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
11127         with BLOCK_FOR_INSN.
11128         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
11129         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
11130         noce_process_if_block): Likewise.
11131         * gcse.c (compute_local_properties, insert_expr_in_table,
11132         insert_set_in_table, canon_list_insert, find_avail_set,
11133         pre_insert_copy_insn): Likewise.
11134
11135         * basic-block.h (BLOCK_NUM): Move from here...
11136         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
11137
11138 2010-01-03  Richard Guenther  <rguenther@suse.de>
11139
11140         PR tree-optimization/42438
11141         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
11142         contains_may_not_return_call flag.
11143         (BB_MAY_NOTRETURN): New.
11144         (valid_in_sets): Trapping nary operations are not valid
11145         in blocks that may not return.
11146         (insert_into_preds_of_block): Remove check for trapping expressions.
11147         (compute_avail): Compute also BB_MAY_NOTRETURN.
11148
11149 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
11150
11151         * doc/invoke.texi: Add 2010 to copyright years.
11152
11153 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
11154
11155         * config/sparc/sparc.c: Fix formatting nits.
11156
11157 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
11158             Alexander Monakov  <amonakov@ispras.ru>
11159
11160         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
11161
11162 2010-01-02  Richard Guenther  <rguenther@suse.de>
11163
11164         PR middle-end/42577
11165         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
11166         (simplify_switch_using_ranges): Mark to be removed edges
11167         as non-executable.
11168
11169 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11170
11171         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
11172
11173         * collect2.c (scan_libraries): Add missing argument in call to
11174         scan_prog_file.
11175
11176 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
11177
11178         PR target/42448
11179         * config/alpha/predicates.md (aligned_memory_operand): Return false
11180         for CQImode.
11181         (unaligned_memory_operand): Return true for CQImode.
11182         * config/alpha/alpha.c (get_aligned_mem): Assert that location
11183         doesn not cross aligned SImode word boundary.
11184
11185 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
11186
11187         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
11188         Remove.
11189         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
11190         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
11191
11192 2010-01-02  Richard Guenther  <rguenther@suse.de>
11193
11194         PR lto/41597
11195         * toplev.c (compile_file): Emit LTO marker properly.  Change
11196         it to __gnu_lto_v1.
11197         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
11198
11199 2010-01-01  Richard Guenther  <rguenther@suse.de>
11200
11201         PR debug/42455
11202         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
11203
11204 2010-01-01  Richard Guenther  <rguenther@suse.de>
11205
11206         PR c/42570
11207         * c-decl.c (grokdeclarator): For zero-size arrays force
11208         structural equality checks as layout_type does.
11209
11210 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
11211
11212         * builtins.c: Update copyright to 2010.
11213
11214 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
11215
11216         PR lto/42531
11217         * lto-streamer-out.c (produce_asm): Revert the last change.
11218         (copy_function): Likewise.
11219
11220         * lto-streamer.c (lto_get_section_name): Skip any leading
11221         asterisk in name.
11222
11223 2010-01-01  Richard Guenther  <rguenther@suse.de>
11224
11225         PR middle-end/42559
11226         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
11227         for LABEL_DECLs.
11228
11229 \f
11230 Copyright (C) 2010 Free Software Foundation, Inc.
11231
11232 Copying and distribution of this file, with or without modification,
11233 are permitted in any medium without royalty provided the copyright
11234 notice and this notice are preserved.