OSDN Git Service

2011-01-25 Joel Sherrill <joel.sherrill@oarcorp.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
2
3         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
4         sjlj_except_unwind_info.
5
6 2011-01-25  Richard Guenther  <rguenther@suse.de>
7
8         PR tree-optimization/47426
9         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
10         visible functions results escape.
11
12 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
13
14         PR target/45701
15         * config/arm/arm.c (any_sibcall_uses_r3): New function.
16         (arm_get_frame_offsets): Use it.
17
18 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
19             Jakub Jelinek  <jakub@redhat.com>
20
21         PR tree-optimization/47271
22         * tree-if-conv.c (bb_postdominates_preds): New.
23         (if_convertible_bb_p): Call bb_postdominates_preds.
24         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
25         (predicate_scalar_phi): Call bb_postdominates_preds.
26
27 2011-01-25  Nick Clifton  <nickc@redhat.com>
28
29         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
30         * config/rx/rx.c (rx_function_value): Likewise.
31         (rx_promote_function_mode): Likewise.
32         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
33         in order to make it legitimate.
34         * config/rx/rx.md (adddi3_internal): If the second operand is a
35         MEM make sure that the first operand is the same as the result
36         register.
37         (addsi3_unspec): Delete.
38         (subdi3): Do not accept immediate operands.
39         (subdi3_internal): Likewise.
40
41 2011-01-25  Jeff Law  <law@redhat.com>
42
43         PR rtl-optimization/37273
44         * ira-costs.c (scan_one_insn): Detect constants living in memory and
45         handle them like argument loads from stack slots.  Do not double
46         count memory for memory constants and argument loads from stack slots.
47
48 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
49
50         PR tree-optimization/47427
51         PR tree-optimization/47428
52         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
53         coalesce if the new root var would be TREE_READONLY.
54
55 2011-01-25  Richard Guenther  <rguenther@suse.de>
56
57         PR middle-end/47414
58         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
59         correct type for TBAA.
60
61 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
62
63         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
64         (close_phi_written_to_memory): Call for_each_index with
65         dr_indices_valid_in_loop.
66
67 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
68
69         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
70         when it is initialized.
71
72 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
73
74         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
75         call to graphite_find_data_references_in_stmt.
76         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
77         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
78         call to graphite_find_data_references_in_stmt.
79         (analyze_drs_in_stmts): Same.
80         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
81         in which the scalar analysis of indices is performed.
82         (create_data_ref): Same.  Update call to dr_analyze_indices.
83         (find_data_references_in_stmt): Update call to create_data_ref.
84         (graphite_find_data_references_in_stmt): Same.
85         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
86         declaration.
87         (create_data_ref): Same.
88         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
89         call to create_data_ref.
90
91 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
92
93         * graphite-sese-to-poly.c (build_poly_scop): Move
94         rewrite_commutative_reductions_out_of_ssa before
95         find_scop_parameters.
96
97 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
98
99         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
100         VAR_DECL, PARM_DECL, and RESULT_DECL.
101
102 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
103
104         * graphite-dependences.c (reduction_dr_1): Allow several reductions
105         in a reduction PBB.
106         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
107         that have already been marked as PBB_IS_REDUCTION.
108
109 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
110
111         * graphite-scop-detection.c (same_close_phi_node): New.
112         (remove_duplicate_close_phi): New.
113         (make_close_phi_nodes_unique): New.
114         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
115
116 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
117
118         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
119         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
120         of both data references to be the same.
121
122 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
123
124         * graphite-dependences.c (build_lexicographical_constraint): Remove the
125         gdim parameter.
126         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
127         (dependence_polyhedron): Same.
128         (graphite_legal_transform_dr): Same.
129         (graphite_carried_dependence_level_k): Same.
130         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
131         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
132
133 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
134
135         * graphite-sese-to-poly.c
136         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
137         (close_phi_written_to_memory): New.
138         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
139         and unshare_expr.
140
141 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
142
143         * doc/install.texi: Update the expected version number of PPL to 0.11.
144         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
145         #if PPL_VERSION_MINOR < 11.
146
147 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
148
149         * graphite-dependences.c: Include graphite-cloog-util.h.
150         (new_poly_ddr): Inlined into dependence_polyhedron.
151         (free_poly_ddr): Moved close by new_poly_ddr.
152         (dependence_polyhedron_1): Renamed dependence_polyhedron.
153         Early return NULL when ppl_powerset_is_empty returns true.
154         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
155         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
156         (graphite_legal_transform_dr): Call new_poly_ddr.
157         (graphite_carried_dependence_level_k): Same.
158         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
159         (dot_transformed_deps_stmt_1): Removed.
160         (dot_deps_stmt_1): Call dot_deps_stmt_2.
161         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
162         (dot_deps_1): Call dot_deps_2.
163         * Makefile.in (graphite-dependences.o): Add missing dependence on
164         graphite-cloog-util.h.
165
166 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
167
168         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
169         (build_lexicographical_constraint): Same.
170         (dependence_polyhedron_1): Same.
171         (graphite_legal_transform_dr): Same.
172         (graphite_carried_dependence_level_k): Same.
173         * graphite-ppl.c (ppl_powerset_is_empty): New.
174         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
175         * tree-data-ref.c (dump_data_reference): Print the basic block index.
176
177 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
178
179         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
180         the "a followed by b" relation and document it.
181
182 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
183
184         * graphite-dependences.c (build_lexicographical_constraint): Stop the
185         iteration when the bag of constraints is empty.
186
187 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
188
189         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
190
191 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
192
193         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
194         nest and two loop depths as parameters.
195         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
196         lst_perfect_nestify.
197
198 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
199
200         * graphite-dependences.c (print_pddr): Call
201         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
202
203 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
204
205         * graphite-ppl.c (debug_gmp_value): New.
206         * graphite-ppl.h (debug_gmp_value): Declared.
207
208 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
209
210         * doc/install.texi: Document availability of cloog-0.16.
211
212 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
213
214         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
215         invalid postdominance info.
216
217 2011-01-24  Jan Hubicka  <jh@suse.cz>
218
219         PR c/21659
220         * doc/extend.texi (weak pragma): Drop claim that it must
221         appear before definition.
222         * varasm.c (merge_weak, declare_weak): Only sanity check
223         that DECL is not output at a time it is declared weak.
224
225 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
226
227         * machmode.def: Fixed comments.
228
229 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
230
231         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
232
233 2011-01-24  Paul Koning  <ni1d@arrl.net>
234
235         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
236         WORDS_BIG_ENDIAN.
237
238 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
239
240         PR target/46519
241         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
242         (block_info): Add scanned and prev.
243         (move_or_delete_vzeroupper_2): Return if the basic block
244         has been scanned and the upper 128bit state is unchanged
245         from the last scan.
246         (move_or_delete_vzeroupper_1): Return true if the exit
247         state is changed.
248         (move_or_delete_vzeroupper): Visit basic blocks using the
249         work-list based algorithm based on vt_find_locations in
250         var-tracking.c.
251
252         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
253
254 2011-01-24  Nick Clifton  <nickc@redhat.com>
255
256         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
257         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
258         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
259         then define __v850e1__.
260         * doc/invoke.texi: Document -mv850es.
261
262 2011-01-24  Richard Henderson  <rth@redhat.com>
263
264         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
265         compound unordered comparisons.
266         * config/rx/rx.c (rx_split_fp_compare): Remove.
267         * config/rx/rx-protos.h: Update.
268         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
269         (cbranchsf4): Don't call rx_split_fp_compare.
270         (*cbranchsf4): Use rx_split_cbranch.
271         (*cmpsf): Don't accept "i" constraint.
272         (*conditional_branch): Only valid after reload.
273         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
274
275 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
276
277         PR target/47385
278         * config/rs6000/altivec.md (vector constant splitters): Add
279         support for creating vector single precision constants if -mvsx is
280         used and we would create the constant using Altivec primitives.
281
282 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
283             Richard Sandiford  <rdsandiford@googlemail.com>
284
285         PR rtl-optimization/47166
286         * reload1.c (emit_reload_insns): Disable the spill_reg_store
287         mechanism for PRE_MODIFY and POST_MODIFY.
288         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
289         reloadreg.
290
291 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
292
293         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
294
295 2011-01-22  Jan Hubicka  <jh@suse.cz>
296
297         PR lto/47333
298         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
299
300 2011-01-22  Jan Hubicka  <jh@suse.cz>
301
302         PR tree-optimization/43884
303         PR lto/44334
304         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
305         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
306
307 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
308
309         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
310         * config/s390/s390.c (s390_register_move_cost,
311         s390_memory_move_cost): New.
312         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
313
314 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
315
316         PR middle-end/47401
317         * except.c (sjlj_assign_call_site_values): Move setting the
318         crtl->uses_eh_lsda flag to ...
319         (sjlj_mark_call_sites): ... here.
320         (sjlj_emit_function_enter): Support NULL dispatch label.
321         (sjlj_build_landing_pads): In a function with no landing pads
322         that still has must-not-throw regions, generate code to register
323         a personality function with empty LSDA.
324
325 2011-01-21  Richard Henderson  <rth@redhat.com>
326
327         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
328
329         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
330
331         * compare-elim.c: New file.
332         * Makefile.in (OBJS-common): Add it.
333         (compare-elim.o): New.
334         * common.opt (fcompare-elim): New.
335         * opts.c (default_options_table): Add OPT_fcompare_elim.
336         * tree-pass.h (pass_compare_elim_after_reload): New.
337         * passes.c (init_optimization_passes): Add it.
338         * recog.h: Protect against re-inclusion.
339         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
340         * doc/invoke.texi (-fcompare-elim): Document it.
341         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
342         * doc/tm.texi: Rebuild.
343
344 2011-01-22  Nick Clifton  <nickc@redhat.com>
345
346         * config/rx/rx.md (cstoresf4): Pass comparison operator to
347         rx_split_fp_compare.
348
349 2011-01-22  Nick Clifton  <nickc@redhat.com>
350
351         * config/rx/rx.md (UNSPEC_CONST): New.
352         (deallocate_and_return): Wrap the amount popped off the stack in
353         an UNSPEC_CONST in order to stop it being rejected by
354         -mmax-constant-size.
355         (pop_and_return): Add a "(return)" rtx.
356         (call): Drop the immediate operand.
357         (call_internal): Likewise.
358         (call_value): Likewise.
359         (call_value_internal): Likewise.
360         (sibcall_internal): Likewise.
361         (sibcall_value_internal): Likewise.
362         (sibcall): Likewise.  Generate an explicit call using
363         sibcall_internal.
364         (sibcall_value): Likewise.
365         (mov<>): FAIL if a constant operand is not legitimate.
366         (addsi3_unpsec): New pattern.
367
368         * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
369         CONSTs.
370         (ok_for_max_constant): New function.
371         (gen_safe_add): New function.
372         (rx_expand_prologue): Use gen_safe_add.
373         (rx_expand_epilogue): Likewise.
374         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
375         UNSPEC CONSTs.
376
377 2011-01-21  Jeff Law  <law@redhat.com>
378
379         PR tree-optimization/47053
380         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
381         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
382         statements are deleted.
383         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
384         is nonempty, then purge dead edges and cleanup the CFG.
385
386 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
387
388         PR debug/47402
389         Temporarily revert:
390         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
391         PR debug/47106
392         * tree-dfa.c (create_var_ann): Mark variable as used.
393
394 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
395
396         PR middle-end/45566
397         * except.c (convert_to_eh_region_ranges): Emit queued no-region
398         notes from other section in hot/cold partitioning even if
399         last_action is -3.  Increment call_site_base.
400
401         PR rtl-optimization/47366
402         * fwprop.c (forward_propagate_into): Return bool.  If
403         any changes are made, -fnon-call-exceptions is used and
404         REG_EH_REGION note is present, call purge_dead_edges
405         and return true if it purged anything.
406         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
407         any EH edges were purged.
408
409 2011-01-21  Jeff Law  <law@redhat.com>
410
411         PR rtl-optimization/41619
412         * caller-save.c (setup_save_areas): Break out code to determine
413         which hard regs are live across calls by examining the reload chains
414         so that it is always used.
415         Eliminate code which checked REG_N_CALLS_CROSSED.
416
417 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
418
419         PR tree-optimization/47355
420         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
421         NOP has non-debug uses beyond PHIs in new_bb.
422
423 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
424
425         PR debug/47106
426         * cfgexpand.c (account_used_vars_for_block): Only account vars
427         that are annotated as used.
428         (estimated_stack_frame_size): Don't set TREE_USED.
429         * tree-dfa.c (create_var_ann): Mark variable as used.
430
431 2011-01-21  Richard Guenther  <rguenther@suse.de>
432
433         PR middle-end/47395
434         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
435
436 2011-01-21  Richard Guenther  <rguenther@suse.de>
437
438         PR tree-optimization/47365
439         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
440         (vn_reference_lookup_pieces): Adjust.
441         (vn_reference_lookup): Likewise.
442         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
443         (vn_reference_lookup_3): Only look through kills if in
444         VN_WALKREWRITE mode.
445         (vn_reference_lookup_pieces): Adjust.
446         (vn_reference_lookup): Likewise.
447         (visit_reference_op_load): Likewise.
448         (visit_reference_op_store): Likewise.
449         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
450         (compute_avail): Likewise.
451         (eliminate): Likewise.
452
453 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
454
455         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
456         DECL_IGNORED_P non-reg vars if they are used.
457
458         PR tree-optimization/47391
459         * varpool.c (const_value_known_p): Return false if
460         decl is volatile.
461
462 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
463
464         PR bootstrap/47215
465         * config/i386/i386.c (ix86_local_alignment): Handle
466         case for va_list_type_node is nil.
467         (ix86_canonical_va_list_type): Likewise.
468
469 2011-01-21  Alan Modra  <amodra@gmail.com>
470
471         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
472         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
473
474 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
475
476         * config/arm/arm.md (define_attr type): Rename f_load
477         and f_store to f_fpa_load and f_fpa_store. Update.
478         (write_conflict): Deal with rename fallout.
479         (*push_fp_multi): Likewise.
480         * config/arm/fpa.md (f_load): Use f_fpa_load.
481         (f_store): Use f_fpa_store.
482         (*movsf_fpa): Likewise.
483         (*movdf_fpa): Likewise.
484         (*movxf_fpa): Likewise.
485         (*thumb2_movsf_fpa): Likewise.
486         (*thumb2_movdf_fpa): Likewise.
487         (*thumb2_movxf_fpa): Likewise.
488         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
489         f_loadd and f_stored.
490         (*thumb2_movdi_vfp): Likewise.
491         (*thumb2_movsf_vfp): Fix attribute to f_loads.
492         (*thumb2_movsi_vfp): Likewise.
493         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
494         Use f_loads instead of f_load.
495         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
496
497 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
498
499         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
500         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
501         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
502         (xtensa_mode_dependent_address_p): New function.
503         (constantpool_address_p): Make static. Change return type to bool.
504         Change argument type to const_rtx. Use CONST_INT_P predicate.
505
506 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
507
508         PR debug/46583
509         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
510
511 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
512
513         PR debug/47283
514         * cfgexpand.c (expand_debug_expr): Instead of generating
515         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
516         etc. handling.
517
518 2011-01-20  Richard Guenther  <rguenther@suse.de>
519
520         PR middle-end/47370
521         * tree-inline.c (remap_gimple_op_r): Recurse manually for
522         the pointer operand of MEM_REFs.
523
524 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
525
526         PR tree-optimization/46130
527         * ipa-split.c (consider_split): If return_bb contains non-virtual
528         PHIs other than for retval or if split_function would not adjust it,
529         refuse to split.
530
531 2011-01-20  Richard Guenther  <rguenther@suse.de>
532
533         PR tree-optimization/47167
534         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
535         Revert previous change, only avoid enumeral type changes.
536
537 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
538
539         PR c++/47291
540         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
541         (gen_scheduled_generic_parms_dies): New functions.
542         (gen_struct_or_union_type_die): Schedule template parameters DIEs
543         generation for the end of CU compilation.
544         (dwarf2out_finish): Generate template parameters DIEs here.
545
546 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
547
548         PR debug/46240
549         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
550         debug bind stmt on merge edges.
551
552 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
553
554         PR debug/47079
555         PR debug/46724
556         * function.c (instantiate_expr): Instantiate incoming rtl of
557         implicit arguments, and recurse on VALUE_EXPRs.
558         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
559         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
560
561 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
562
563         * c-parser.c (c_parser_for_statement): Initialize
564         collection_expression.
565
566 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
567
568         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
569
570 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
571
572         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
573         (LINK_SHLIB_SPEC): Don't use %(link_path).
574         (SUBTARGET_EXTRA_SPECS): Remove link_path.
575
576 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
577
578         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
579         (NO_SHARED_LIB_SUPPORT): Remove.
580         (LINK_SHLIB_SPEC): Remove one conditional definition.
581
582 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
583
584         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
585         %{call_shared}.
586         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
587         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
588         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
589         %{call_shared} and conditionals on these options not being passed.
590         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
591         %{call_shared}.
592
593 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
594
595         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
596         simplify.
597
598         * ipa-split.c: Spelling fixes.
599
600 2011-01-19  Richard Henderson  <rth@redhat.com>
601
602         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
603         (*mulsi3): Likewise.
604
605         * longlong.h [__mn10300__] (count_leading_zeros): New.
606         [__mn10300__] (umul_ppmm, smul_ppmm): New.
607         [__mn10300__] (add_ssaaaa, subddmmss): New.
608         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
609         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
610
611 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
612
613         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
614
615 2011-01-19  Richard Henderson  <rth@redhat.com>
616
617         * config/mn10300/mn10300.md (addsi3_flags): New.
618         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
619         (subsi3_flags, subc_internal, subdi3): New.
620         (subdi3_internal, *subdi3_degenerate): New.
621         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
622
623         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
624         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
625         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
626         * config/mn10300/mn10300-protos.h: Update.
627         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
628         (return_ret): Likewise.  Rename from return_internal_regs.
629         (return_internal): Remove.
630
631         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
632         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
633         (mn10300_legitimate_constant_p): Likewise.
634         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
635         (mn10300_frame_size): New.
636         (mn10300_expand_prologue): Use it.
637         (mn10300_expand_epilogue): Likewise.
638         (mn10300_initial_offset): Likewise.
639         * config/mn10300/mn10300-protos.h: Update.
640         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
641         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
642         (prologue, epilogue, return_internal): Tidy output code.
643         (mn10300_store_multiple_operation, return): Likewise.
644         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
645         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
646         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
647         (load_pic, am33_load_pic): New.
648         (mn10300_load_pic0, mn10300_load_pic1): New.
649
650         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
651         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
652         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
653         (cc_flags_for_mode, cc_flags_for_code): New.
654         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
655         overflow flag is not valid.  Validate that the flags we need
656         for the comparison are valid.
657         (mn10300_output_cmp): Remove.
658         (mn10300_output_add): New.
659         (mn10300_select_cc_mode): Use cc_flags_for_code.
660         (mn10300_split_cbranch): New.
661         (mn10300_match_ccmode): New.
662         (mn10300_split_and_operand_count): New.
663         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
664         to the function.
665         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
666         (addsi3): ... here.  Use mn10300_output_add.
667         (*addsi3_flags): New.
668         (*am33_subsi3, *mn10300_subsi3): Merge...
669         (subsi3): ... here.  Use attribute isa.
670         (*subsi3_flags): New.
671         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
672         when possible.
673         (*am33_andsi3, *mn10300_andsi3): Merge...
674         (andsi3): ... here.
675         (*andsi3_flags): New.
676         (andsi3 splitters): New.
677         (*am33_iorsi3, *mn10300_iorsi3): Merge...
678         (iorsi3): ... here.
679         (*iorsi3_flags): New.
680         (*am33_xorsi3, *mn10300_xorsi3): Merge...
681         (xorsi3): ... here.
682         (*xorsi3_flags): New.
683         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
684         (one_cmplsi2): ... here.
685         (*one_cmplsi2_flags): New.
686         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
687         instead of "dax" in constraints.  Use mn10300_split_cbranch.
688         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
689         use matching constraints to eliminate a self-comparison.
690         (*integer_conditional_branch): Rename from integer_conditional_branch.
691         Use int_mode_flags to match CC_REG.
692         (*cbranchsi4_btst, *btstsi): New.
693         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
694         mn10300_split_cbranch.
695         (*am33_cmpsf): Rename from am33_cmpsf.
696         (*float_conditional_branch): Rename from float_conditional_branch.
697         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
698         (zero_extendqisi2): ... here.
699         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
700         (zero_extendhisi2): ... here.
701         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
702         (extendqisi2): ... here.
703         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
704         (extendhisi2): ... here.
705         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
706         (ashlsi3): ... here.
707         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
708         (lshrsi3): ... here.
709         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
710         (ashrsi3): ... here.
711         (consecutive add peephole): Remove.
712         * config/mn10300/predicates.md (label_ref_operand): New.
713         (int_mode_flags): New.
714         (CCZN_comparison_operator): New.
715
716         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
717         (throughput_42_latency_43): New reservation.
718         (mulsidi3, umulsidi3): New expanders.
719         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
720         the MDR register to allocation; separately allocate the low and
721         high parts of the DImode result.
722         (umulsidi3_internal): Similarly.
723         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
724         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
725         (udivsi3, umodsi3): Remove.
726         (udivmodsi4, divmodsi4): New expanders.
727         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
728         (*divmodsi4): Simiarly.
729         (ext_internal): New.
730
731         * config/mn10300/constraints.md ("z"): New constraint.
732         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
733         (FIXED_REGISTERS): Don't fix MDR.
734         (CALL_USED_REGSITERS): Reformat nicely.
735         (REG_ALLOC_ORDER): Add MDR.
736         (enum regclass): Add MDR_REGS.
737         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
738         (IRA_COVER_CLASSES): Add MDR_REGS.
739         (REGNO_REG_CLASS): Handle MDR_REG.
740         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
741         (mn10300_register_move_cost): Likewise.
742         * config/mn10300/mn10300.md (MDR_REG): New.
743         (*movsi_internal): Handle moves to/from MDR_REGS.
744
745         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
746         POST_MODIFY.
747         (mn10300_secondary_reload): Tidy combination reload classes.
748         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
749         addresses for AM33.  Allow symbolic offsets for reg+imm.
750         (mn10300_regno_in_class_p): New.
751         (mn10300_legitimize_reload_address): New.
752         * config/mn10300/mn10300.h (enum reg_class): Remove
753         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
754         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
755         SP_OR_GENERAL_REGS.
756         (REG_CLASS_NAMES): Update to match.
757         (REG_CLASS_CONTENTS): Likewise.
758         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
759         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
760         (REGNO_IN_RANGE_P): Remove.
761         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
762         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
763         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
764         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
765         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
766         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
767         (REGNO_GENERAL_P): New.
768         (HAVE_POST_MODIFY_DISP): New.
769         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
770         (LEGITIMIZE_RELOAD_ADDRESS): New.
771         * config/mn10300/mn10300-protos.h: Update.
772
773         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
774         DATA_REGS for AM33 stack-pointer destination.
775         (mn10300_preferred_output_reload_class): Likewise.
776         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
777         into a form appropriate for ...
778         (TARGET_SECONDARY_RELOAD): New.
779         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
780         * config/mn10300/mn10300-protos.h: Update.
781         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
782         reload_insi; use the "A" constraint for the scratch; handle AM33
783         moves of sp to non-address registers.
784
785         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
786         (*movqi_internal): ... here.
787         (*am33_movhi, *mn10300_movhi): Merge into...
788         (*movhi_internal): ... here.
789         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
790         as the source/destination of moves from/to SP.
791         (movsf): Only allow for AM33-2.
792         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
793         any integer constant constraint.  Only allow for AM33-2.  Tidy
794         all of the alternative outputs.
795         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
796         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
797         for MN103.
798         (udivsi3, umodsi3): New patterns for MN103 only.
799
800 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
801
802         * doc/tm.texi.in: Spell out that a lack of register class unions
803         can lead to ICEs.
804         * doc/tm.texi: Regenerate.
805
806 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
807
808         PR rtl-optimization/47337
809         * dce.c (check_argument_store): New function.
810         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
811
812         PR tree-optimization/47290
813         * tree-eh.c (infinite_empty_loop_p): New function.
814         (cleanup_empty_eh): Use it.
815
816 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
817
818         PR target/46997
819         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
820         (a64_expand_widen_sum): Ditto.
821         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
822         (vec_extract_evenodd_help): Ditto.
823         (vec_extract_evenv4hi): Ditto.
824         (vec_extract_oddv4hi): Ditto.
825         (vec_extract_evenv2si): Ditto.
826         (vec_extract_oddv2si): Ditto.
827         (vec_extract_evenv2sf): Ditto.
828         (vec_extract_oddv2sf): Ditto.
829         (vec_pack_trunc_v4hi: Ditto.
830         (vec_pack_trunc_v2si): Ditto.
831         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
832         (vec_interleave_highv8qi): Ditto.
833         (mix1_r): Ditto.
834         (vec_extract_oddv8qi): Ditto.
835         (vec_interleave_lowv4hi): Ditto.
836         (vec_interleave_highv4hi): Ditto.
837         (vec_interleave_lowv2si): Ditto.
838         (vec_interleave_highv2si): Ditto.
839
840 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
841
842         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
843         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
844         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
845         (pa_c_mode_for_suffix): New.
846         (TARGET_EXPAND_BUILTIN): Define.
847         (TARGET_C_MODE_FOR_SUFFIX): Define.
848         (pa_builtins): Define.
849         (pa_init_builtins): Register __float128 type and init new support
850         builtins.
851         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
852         * config/pa/quadlib.c (_U_Qfcopysign): New.
853
854 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
855
856         PR middle-end/46894
857         * explow.c (allocate_dynamic_stack_space): Do not assume more than
858         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
859         are defined.
860
861 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
862
863         PR tree-optimization/47179
864         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
865         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
866
867 2011-01-18  Richard Guenther  <rguenther@suse.de>
868
869         PR rtl-optimization/47216
870         * emit-rtl.c: Include tree-flow.h.
871         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
872         of replicating it with different semantics.
873         * Makefile.in (emit-rtl.o): Adjust.
874
875 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
876
877         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
878         include.
879         (cortex_a9_dp): Handle neon types correctly.
880
881 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
882
883         PR rtl-optimization/47299
884         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
885         subtarget.  Use normal multiplication if both operands are
886         constants.
887         * expmed.c (expand_widening_mult): Don't try to optimize constant
888         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
889         before using it.
890
891 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
892
893         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
894         spacing after 'e.g.', typos, comma, hyphenation.
895
896 2011-01-17  Richard Henderson  <rth@redhat.com>
897
898         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
899         (rx_restricted_mem_operand): New.
900         (rx_shift_operand): Use register_operand.
901         (rx_source_operand, rx_compare_operand): Likewise.
902         * config/rx/rx.md (addsi3_flags): New expander.
903         (adddi3): Rewrite as expander.
904         (adc_internal, *adc_flags, adddi3_internal): New patterns.
905         (subsi3_flags): New expander.
906         (subdi3): Rewrite as expander.
907         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
908
909         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
910         (rx_init_builtins): Remove sat builtin.
911         (rx_expand_builtin): Likewise.
912         * config/rx/rx.md (ssaddsi3): New.
913         (*sat): Rename from sat.  Represent the CC_REG input.
914
915         * config/rx/predicates.md (rshift_operator): New.
916         * config/rx/rx.c (rx_expand_insv): Remove.
917         * config/rx/rx-protos.h: Update.
918         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
919         operand to the canonical position.
920         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
921         (*bitclr, *bitclr_in_memory): Similarly.
922         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
923         (insv): Retain the zero_extract in the expansion.
924
925         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
926         (bswaphi2, bitinvert, revw): Likewise.
927
928         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
929         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
930         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
931         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
932         (bitset, bitset_in_memory): Likewise.
933         (bitinvert, bitinvert_in_memory): Likewise.
934         (bitclr, bitclr_in_memory): Likewise.
935         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
936         (rx_strend, rx_cmpstrn): Likewise.
937         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
938         (bitop peep2 patterns): Remove.
939
940         * config/rx/rx.c (rx_match_ccmode): New.
941         * config/rx/rx-protos.h: Update.
942         * config/rx/rx.md (abssi2): Clobber, don't set flags.
943         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
944         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
945         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
946         (fix_truncsfsi2, floatsisf2): Likewise.
947         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
948         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
949         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
950         (*subsi3_flags, *xorsi3_flags): New.
951
952         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
953
954         * config/rx/rx.c (rx_print_operand): Remove workaround for
955         unsplit comparison operations.
956
957         * config/rx/rx.md (movsicc): Split after reload.
958         (*movsicc): Merge *movsieq and *movsine via match_operator.
959         (*stcc): New pattern.
960
961         * config/rx/rx.c (rx_float_compare_mode): Remove.
962         * config/rx/rx.h (rx_float_compare_mode): Remove.
963         * config/rx/rx.md (cstoresi4): Split after reload.
964         (*sccc): New pattern.
965
966         * config/rx/predicates.md (label_ref_operand): New.
967         (rx_z_comparison_operator): New.
968         (rx_zs_comparison_operator): New.
969         (rx_fp_comparison_operator): New.
970         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
971         Validate that the flags are set properly for the comparison.
972         (rx_gen_cond_branch_template): Remove.
973         (rx_cc_modes_compatible): Remove.
974         (mode_from_flags): New.
975         (flags_from_code): Rename from flags_needed_for_conditional.
976         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
977         (rx_select_cc_mode): Likewise.
978         (rx_split_fp_compare): New.
979         (rx_split_cbranch): New.
980         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
981         (*cbranchsi4): Use match_operator and rx_split_cbranch.
982         (*cbranchsf4): Similarly.
983         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
984         match_operator and rx_split_cbranch.
985         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
986         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
987         (*cmpsi): Rename from cmpsi.
988         (*tstsi): Rename from tstsi.
989         (*cmpsf): Rename from cmpsf; use CC_Fmode.
990         (*conditional_branch): Rename from conditional_branch.
991         (*reveresed_conditional_branch): Remove.
992         (b<code>): Remove expander.
993         * config/rx/rx-protos.h: Update.
994
995         * config/rx/rx.c (rx_compare_redundant): Remove.
996         * config/rx/rx.md (cmpsi): Don't use it.
997         * config/rx/rx-protos.h: Update.
998
999         * config/rx/rx-modes.def (CC_F): New mode.
1000         * config/rx/rx.c (rx_select_cc_mode): New.
1001         * config/rx/rx.h (SELECT_CC_MODE): Use it.
1002         * config/rx/rx-protos.h: Update.
1003
1004 2011-01-17  Richard Henderson  <rth@redhat.com>
1005
1006         * except.c (dump_eh_tree): Fix stray ; after for statement.
1007
1008 2011-01-17  Richard Guenther  <rguenther@suse.de>
1009
1010         PR tree-optimization/47313
1011         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
1012         handling before copying the body.  Properly deal with
1013         by-reference result in SSA form.
1014
1015 2011-01-17  Ian Lance Taylor  <iant@google.com>
1016
1017         PR target/47219
1018         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
1019         (struct_value_alias_set): Don't define.
1020         (sparc_option_override): Don't set sparc_sr_alias_set and
1021         struct_value_alias_set.
1022         (save_or_restore_regs): Use gen_frame_mem rather than calling
1023         set_mem_alias_set.
1024         (sparc_struct_value_rtx): Likewise.
1025
1026 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1027
1028         PR target/47318
1029         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
1030         __m128i.
1031         (_mm_maskstore_pd): Likewise.
1032         (_mm_maskload_ps): Likewise.
1033         (_mm_maskstore_ps): Likewise.
1034         (_mm256_maskload_pd): Change mask to __m256i.
1035         (_mm256_maskstore_pd): Likewise.
1036         (_mm256_maskload_ps): Likewise.
1037         (_mm256_maskstore_ps): Likewise.
1038
1039         * config/i386/i386-builtin-types.def: Updated.
1040         (ix86_expand_special_args_builtin): Likewise.
1041
1042         * config/i386/i386.c (bdesc_special_args): Update
1043         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
1044         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
1045         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
1046         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
1047
1048         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
1049         Use <avxpermvecmode> on mask register.
1050         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
1051
1052 2011-01-17  Olivier Hainque  <hainque@adacore.com>
1053             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1054             Eric Botcazou  <ebotcazou@adacore.com>
1055
1056         PR target/46655
1057         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
1058         if <= USHRT_MAX in 32-bit mode.
1059
1060 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1061
1062         * doc/install.texi (Configuration, Specific): Wrap long
1063         lines in examples.  Allow line wrapping in long options
1064         and URLs where beneficial for PDF output.
1065
1066 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
1067
1068         * config/mips/mips.c (mips_classify_symbol): Don't return
1069         SYMBOL_PC_RELATIVE for nonlocal labels.
1070
1071 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
1072
1073         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
1074
1075 2011-01-15  Jan Hubicka  <jh@suse.cz>
1076
1077         PR tree-optimization/47276
1078         * ipa.c (function_and_variable_visibility): Do not try to mark alias
1079         declarations as needed.
1080
1081 2011-01-15  Martin Jambor  <mjambor@suse.cz>
1082
1083         * common.opt (fdevirtualize): New flag.
1084         * doc/invoke.texi (Option Summary): Document it.
1085         * opts.c (default_options_table): Add devirtualize flag.
1086         * ipa-prop.c (detect_type_change): Return immediately if
1087         devirtualize flag is not set.
1088         (detect_type_change_ssa): Likewise.
1089         (compute_known_type_jump_func): Likewise.
1090         (ipa_analyze_virtual_call_uses): Likewise.
1091
1092 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1093
1094         PR tree-optimization/45934
1095         PR tree-optimization/46302
1096         * ipa-prop.c (type_change_info): New type.
1097         (stmt_may_be_vtbl_ptr_store): New function.
1098         (check_stmt_for_type_change): Likewise.
1099         (detect_type_change): Likewise.
1100         (detect_type_change_ssa): Likewise.
1101         (compute_complex_assign_jump_func): Check for dynamic type change.
1102         (compute_complex_ancestor_jump_func): Likewise.
1103         (compute_known_type_jump_func): Likewise.
1104         (compute_scalar_jump_functions): Likewise.
1105         (ipa_analyze_virtual_call_uses): Likewise.
1106         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
1107
1108 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1109
1110         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
1111         * config/i386/i386.opt (msse5): New Alias.
1112
1113 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1114
1115         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1116         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1117         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1118         * config/sparc/sparc.h (CC1_SPEC): Likewise.
1119
1120 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1121
1122         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
1123         -mcpu options.
1124         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1125         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1126         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
1127         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
1128         Likewise.
1129         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
1130
1131 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1132
1133         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
1134         -fvec-eabi.
1135
1136 2011-01-14  Mike Stump  <mikestump@comcast.net>
1137
1138         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
1139         * config/fr30/fr30.md: Likweise
1140         (movsi_push): Likewise.
1141         (movsi_pop): Likewise.
1142         (enter_func): Likewise.
1143         * config/moxie/moxie.md (movsi_push): Likewise.
1144         (movsi_pop): Likewise.
1145
1146 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1147
1148         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
1149         %{no_archive} %{exact_version}.
1150         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
1151         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
1152         %{no_archive} %{exact_version}.
1153         * config/mips/openbsd.h (LINK_SPEC): Likewise.
1154         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
1155         * config/mips/vxworks.h: Likewise.
1156
1157 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1158
1159         * config/microblaze/microblaze.h (ASM_SPEC): Remove
1160         %{microblaze1}.
1161
1162 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1163
1164         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
1165         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
1166
1167 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1168
1169         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
1170         -nodefaultlib.
1171
1172 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1173
1174         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
1175         for mcpu not cpu.
1176         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
1177         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
1178         not cpu.
1179         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
1180         Don't handle -shlib.
1181
1182 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1183
1184         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
1185         (CC1_SPEC): Don't handle -profile.
1186
1187 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1188
1189         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
1190         * config/mips/mips.h (CC1_SPEC): Likewise.
1191
1192 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1193
1194         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
1195         * config/mips/mips.h (CC1_SPEC): Likewise.
1196
1197 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1198
1199         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
1200         * config/m32r/linux.h (LINK_SPEC): Likewise.
1201         * config/mips/linux.h (LINK_SPEC): Likewise.
1202         * config/mips/linux64.h (LINK_SPEC): Likewise.
1203         * config/sparc/linux.h (LINK_SPEC): Likewise.
1204         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1205         LINK_SPEC): Likewise.
1206         * config/xtensa/linux.h (LINK_SPEC): Likewise.
1207
1208 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1209
1210         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
1211         %{version:-v}.
1212         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
1213
1214 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1215
1216         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
1217         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
1218
1219 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1220
1221         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
1222
1223 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1224
1225         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
1226         supports -Bstatic/-Bdynamic.
1227         * configure: Regenerate.
1228
1229 2011-01-14  Jan Hubicka  <jh@suse.cz>
1230         Jack Howarth <howarth@bromo.med.uc.edu>
1231
1232         PR target/46037
1233         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
1234         when checking debug_info_level. Test write_symbols instead of
1235         debug_hooks->var_location when setting flag_var_tracking_uninit.
1236
1237 2011-01-14  Richard Guenther  <rguenther@suse.de>
1238
1239         PR tree-optimization/47179
1240         * target.def (ref_may_alias_errno): New target hook.
1241         * targhooks.h (default_ref_may_alias_errno): Declare.
1242         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
1243         (default_ref_may_alias_errno): New function.
1244         * target.h (struct ao_ref_s): Declare.
1245         * tree-ssa-alias.c: Include target.h.
1246         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
1247         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
1248         (targhooks.o): Likewise.
1249         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
1250         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
1251
1252 2011-01-14  Richard Guenther  <rguenther@suse.de>
1253
1254         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
1255
1256 2011-01-14  Richard Guenther  <rguenther@suse.de>
1257
1258         PR tree-optimization/47280
1259         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
1260         return CFG changes.
1261         (tree_ssa_forward_propagate_single_use_vars): Deal with
1262         CFG changes from associate_plusminus.
1263
1264 2011-01-14  Richard Guenther  <rguenther@suse.de>
1265
1266         PR middle-end/47281
1267         Revert
1268         2011-01-11  Richard Guenther  <rguenther@suse.de>
1269
1270         PR tree-optimization/46076
1271         * tree-ssa.c (useless_type_conversion_p): Conversions from
1272         unprototyped to empty argument list function types are useless.
1273
1274 2011-01-14  Richard Guenther  <rguenther@suse.de>
1275
1276         PR tree-optimization/47286
1277         * tree-ssa-structalias.c (new_var_info): Register variables are global.
1278
1279 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1280
1281         PR middle-end/46823
1282         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
1283
1284 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
1285
1286         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
1287         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
1288         * config/xtensa/xtensa.c (xtensa_libcall_value,
1289         xtensa_function_value_regno_p): New functions.
1290         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
1291
1292 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
1293
1294         PR c++/47213
1295         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
1296         PE specific hook.
1297         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
1298         New function prototype.
1299         * config/i386/winnt.c (i386_pe_assemble_visibility):
1300         Warn only if attribute was specified by user.
1301
1302 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
1303
1304         PR target/47251
1305         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
1306         floating point.
1307         (floatunsdidf2_fcfidu): Ditto.
1308
1309 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1310
1311         * config/s390/s390.c (print_operand_address): Replace 'error' with
1312         'output_operand_lossage'.
1313         (print_operand): Likewise.
1314
1315 2011-01-13  Jeff Law  <law@redhat.com>
1316
1317         PR rtl-optimization/39077
1318         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
1319         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
1320         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
1321         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
1322         * gcse.c (prune_insertions_deletions): New function.
1323         (compute_pre_data): Use it.
1324
1325 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
1326
1327         PR debug/PR46973
1328         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
1329         static function.
1330         (prune_unused_types_mark): Use it.
1331
1332 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
1333
1334         PR rtl-optimization/45352
1335         * sel-sched.c: Update copyright years.
1336         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
1337         in the advancing loop when we have issued issue_rate insns.
1338
1339 2011-01-12  Richard Henderson  <rth@redhat.com>
1340
1341         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
1342         (TARGET_MD_ASM_CLOBBERS): New.
1343
1344         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
1345         (TARGET_DELEGITIMIZE_ADDRESS): New.
1346
1347         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
1348         (clzsi2, *bsch): New patterns.
1349
1350         * config/mn10300/mn10300.md (INT): New mode iterator.
1351         (*mov<INT>_clr): New pattern, and peep2 to generate it.
1352
1353         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
1354         flag_split_wide_types.
1355
1356         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
1357         (mn10300_trampoline_init): Rewrite without a template, an immediate
1358         load and a direct branch.
1359         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
1360
1361 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
1362
1363         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
1364         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
1365         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
1366         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
1367
1368 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
1369
1370         PR debug/47209
1371         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
1372         of type.
1373
1374 2011-01-12  Jan Hubicka  <jh@suse.cz>
1375
1376         PR driver/47244
1377         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
1378         (PLUGIN_COND_CLOSE): New macro.
1379         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
1380
1381 2011-01-12  Richard Guenther  <rguenther@suse.de>
1382
1383         PR lto/47259
1384         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
1385         register variables in a MEM_REF.
1386
1387 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
1388
1389         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
1390         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
1391         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
1392         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
1393         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
1394         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
1395         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
1396         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
1397         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
1398         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
1399         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
1400         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
1401         * config/gnu-user.h: New.  Copied from linux.h.
1402         (LINUX_TARGET_STARTFILE_SPEC): Rename to
1403         GNU_USER_TARGET_STARTFILE_SPEC.
1404         (LINUX_TARGET_ENDFILE_SPEC): Rename to
1405         GNU_USER_TARGET_ENDFILE_SPEC.
1406         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
1407         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
1408         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
1409         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
1410         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1411         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1412         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
1413         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
1414         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
1415         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
1416         * config/arm/linux-eabi.h (CC1_SPEC): Use
1417         GNU_USER_TARGET_CC1_SPEC.
1418         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
1419         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
1420         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
1421         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
1422         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
1423         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
1424         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
1425         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
1426
1427 2011-01-12  Richard Guenther  <rguenther@suse.de>
1428
1429         PR other/46946
1430         * doc/invoke.texi (ffast-math): Document it is turned on
1431         with -Ofast.
1432
1433 2011-01-12  Jan Hubicka  <jh@suse.cz>
1434
1435         PR tree-optimization/47233
1436         * opts.c (common_handle_option): Disable ipa-reference with profile
1437         feedback.
1438
1439 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
1440
1441         * c-parser.c (c_parser_objc_at_property_declaration): Improved
1442         error message.
1443
1444 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
1445
1446         * c-parser.c (c_lex_one_token): Updated and reindented some
1447         comments.  No changes in code.
1448
1449 2011-01-11  Ian Lance Taylor  <iant@google.com>
1450
1451         * godump.c (go_output_var): Don't output the variable if there is
1452         already a type with the same name.
1453
1454 2011-01-11  Ian Lance Taylor  <iant@google.com>
1455
1456         * godump.c (go_format_type): Don't generate float80.
1457
1458 2011-01-11  Richard Henderson  <rth@redhat.com>
1459
1460         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
1461         declaration.  Rewrite for both speed and size.
1462         (mn10300_address_cost_1): Remove.
1463         (mn10300_register_move_cost): New.
1464         (mn10300_memory_move_cost): New.
1465         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
1466         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
1467         extensions, shifts, BSWAP, CLZ.
1468         (mn10300_wide_const_load_uses_clr): Remove.
1469         (TARGET_REGISTER_MOVE_COST): New.
1470         (TARGET_MEMORY_MOVE_COST): New.
1471         * config/mn10300/mn10300-protos.h: Update.
1472         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
1473
1474         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
1475         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
1476         * config/mn10300/mn10300-protos.h: Update.
1477         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
1478         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
1479         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
1480         (*test_int_bitfield, *test_byte_bitfield): Remove.
1481         (*bit_test, *subreg_bit_test): Remove.
1482         * config/mn10300/predicates.md (const_8bit_operand): Remove.
1483
1484         * config/mn10300/constraints.md ("c"): Rename from "A".
1485         ("A", "D"): New constraint letters.
1486         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
1487         (fmssf4, fnmasf4, fnmssf4): Likewise.
1488
1489         * config/mn10300/mn10300.md (isa): New attribute.
1490         (enabled): New attribute.
1491
1492         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
1493         (abssf2, negsf2): Define only for hardware fp.
1494         (sqrtsf2): Reformat.
1495         (addsf3, subsf3, mulsf3): Merge expander and insn.
1496
1497         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
1498         (DEBUGGER_AUTO_OFFSET): Remove.
1499         (DEBUGGER_ARG_OFFSET): Remove.
1500
1501         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
1502         Emit register stores with the same offsets as the hardware.
1503         (mn10300_store_multiple_operation): Don't check that the register
1504         save offsets are monotonic.
1505         * config/mn10300/mn10300-protos.h: Update.
1506
1507         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
1508
1509         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
1510         in terms of the value on the stack, not the MDR register.
1511
1512 2011-01-11  Jan Hubicka  <jh@suse.cz>
1513
1514         PR lto/45721
1515         PR lto/45375
1516         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
1517         (symbol_alias_set_destroy, symbol_alias_set_contains,
1518         propagate_aliases_backward): Declare.
1519         * lto-streamer-out.c (struct sets): New sturcture.
1520         (trivally_defined_alias): New function.
1521         (output_alias_pair_p): Rewrite.
1522         (output_unreferenced_globals): Fix output of alias pairs.
1523         (produce_symtab): Likewise.
1524         * ipa.c (function_and_variable_visibility): Set weak alias destination
1525         as needed in lto.
1526         * varasm.c (symbol_alias_set_t): Remove.
1527         (symbol_alias_set_destroy): Export.
1528         (propagate_aliases_forward, propagate_aliases_backward): New functions
1529         based on ...
1530         (compute_visible_aliases): ... this one; remove.
1531         (trivially_visible_alias): New
1532         (trivially_defined_alias): New.
1533         (remove_unreachable_alias_pairs): Rewrite.
1534         (finish_aliases_1): Reorganize code checking if alias is defined.
1535         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
1536         in LTO mode.
1537
1538 2011-01-11  Richard Guenther  <rguenther@suse.de>
1539
1540         PR tree-optimization/46076
1541         * tree-ssa.c (useless_type_conversion_p): Conversions from
1542         unprototyped to empty argument list function types are useless.
1543
1544 2011-01-11  Richard Guenther  <rguenther@suse.de>
1545
1546         PR middle-end/45235
1547         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
1548         volatile MEMs as MEM_READONLY_P.
1549
1550 2011-01-11  Richard Guenther  <rguenther@suse.de>
1551
1552         PR tree-optimization/47239
1553         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
1554
1555 2011-01-11  Jeff Law  <law@redhat.com>
1556
1557         PR tree-optimization/47086
1558         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
1559         IVs from statements that might throw.
1560
1561 2011-01-10  Jan Hubicka  <jh@suse.cz>
1562
1563         PR lto/45375
1564         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
1565
1566 2011-01-10  Jan Hubicka  <jh@suse.cz>
1567
1568         PR lto/45375
1569         * profile.c (read_profile_edge_counts): Ignore profile inconistency
1570         when correcting profile.
1571
1572 2011-01-10  Jan Hubicka  <jh@suse.cz>
1573
1574         PR lto/46083
1575         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
1576         DECL_FINI_PRIORITY.
1577         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
1578         Restore DECL_FINI_PRIORITY.
1579
1580 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1581
1582         * doc/gimple.texi: Fix quoting of multi-word return values in
1583         @deftypefn statements.  Ensure presence of return value.  Wrap
1584         overlong @deftypefn lines.
1585         (is_gimple_operand, is_gimple_min_invariant_address): Remove
1586         descriptions of removed functions.
1587         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
1588         of multi-word return value in @deftypefn statement.
1589
1590 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1591
1592         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
1593         (Conditional Expressions, Logical Operators)
1594         (Statement and operand traversals): Do not indent smallexample
1595         code.  Fix duplicate function argument in example.
1596
1597 2011-01-10  Jeff Law  <law@redhat.com>
1598
1599         PR tree-optimization/47141
1600         * ipa-split.c (split_function): Handle case where we are
1601         returning a value and the return block has a virtual operand phi.
1602
1603 2011-01-10  Jan Hubicka  <jh@suse.cz>
1604
1605         PR tree-optimization/47234
1606         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
1607         (pass_feedback_split_functions): Declare.
1608         * passes.c (init_optimization_passes): Add ipa-split as subpass of
1609         tree-profile.
1610         * ipa-split.c (gate_split_functions): Update comments; disable
1611         split-functions for profile_arc_flag and branch_probabilities.
1612         (gate_feedback_split_functions): New function.
1613         (execute_feedback_split_functions): New function.
1614         (pass_feedback_split_functions): New global var.
1615
1616 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1617
1618         PR lto/46760
1619         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
1620         calling gimple_call_set_cannot_inline.
1621
1622 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
1623
1624         * config/darwin-sections.def: Remove unused section.
1625
1626 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
1627
1628         PR c++/47218
1629         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
1630
1631 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
1632
1633         PR objc/47232
1634         * c-parser.c (c_parser_declaration_or_fndef): Improved
1635         error message.
1636
1637 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
1638
1639         * config/i386/winnt.c (i386_pe_start_function): Make sure
1640         to switch back to function's section.
1641
1642 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
1643
1644         PR gcc/46902
1645         PR testsuite/46912
1646         * plugin.c: Move include of dlfcn.h from here...
1647         * system.h: ... to here.
1648
1649 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1650
1651         * doc/cpp.texi (C++ Named Operators): Fix markup for header
1652         file name.
1653         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
1654         two extra empty pages in PDF output.
1655
1656 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
1657
1658         PR objc/47078
1659         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
1660         for error recovery purposes behave as if it was not specified so
1661         that the default type is usd.
1662
1663 2011-01-07  Jan Hubicka  <jh@suse.cz>
1664
1665         PR tree-optmization/46469
1666         * ipa.c (function_and_variable_visibility): Clear needed flags on
1667         nodes with external decls; handle weakrefs merging correctly.
1668
1669 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
1670
1671         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
1672         not false.
1673
1674 2011-01-07  Jan Hubicka  <jh@suse.cz>
1675
1676         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
1677         and no longer claim that gold is required for linker plugin.
1678         * configure: Regenerate.
1679         * gcc.c (PLUGIN_COND): New macro.
1680         (LINK_COMMAND_SPEC): Use it.
1681         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
1682         * config.in (HAVE_LTO_PLUGIN): New.
1683         * configure.ac (--with-lto-plugin): New parameter; autodetect
1684         HAVE_LTO_PLUGIN.
1685
1686 2011-01-07  Jan Hubicka  <jh@suse.cz>
1687
1688         PR tree-optimization/46367
1689         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
1690         when we can update original.
1691         (cgraph_mark_inline_edge): Sanity check.
1692         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
1693
1694 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1695
1696         * config/spu/spu.h (ASM_COMMENT_START): Define.
1697
1698 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1699
1700         PR driver/42445
1701         * gcc.c (%>S): New.
1702         (SWITCH_KEEP_FOR_GCC): Likewise.
1703         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
1704         (do_spec_1): Handle "%>".
1705
1706         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
1707
1708 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
1709
1710         PR target/47201
1711         * config/i386/i386.c (ix86_delegitimize_address): If
1712         simplify_gen_subreg fails, return orig_x.
1713
1714         PR bootstrap/47187
1715         * value-prof.c (gimple_stringop_fixed_value): Handle
1716         lhs of the call properly.
1717
1718 2011-01-07  Jan Hubicka  <jh@suse.cz>
1719
1720         PR lto/45375
1721         * lto-opt.c (lto_reissue_options): Set flag_shlib.
1722
1723 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
1724
1725         * target.def (function_switched_text_sections): New hook.
1726         * doc/tm.texi: Regenerated.
1727         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
1728         * final.c (default_function_switched_text_sections): New.
1729         (final_scan_insn): Call function_switched_text_sections when a
1730         mid-function section change occurs.
1731         * output.h (default_function_switched_text_sections): Declare.
1732         * config/darwin-protos.h (darwin_function_switched_text_sections):
1733         Likewise.
1734         * config/darwin.c (darwin_function_switched_text_sections): New.
1735         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
1736
1737 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
1738
1739         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
1740         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
1741         the secondary code fragment when outputting for DWARF == 2.
1742
1743 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
1744
1745         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
1746         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
1747         Remove.
1748         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
1749         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
1750
1751 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
1752
1753         PR debug/46704
1754         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
1755         when it is not empty.
1756
1757 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
1758
1759         Bobcat Enablement
1760         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
1761         (case ${target}): Add btver1.
1762         * config/i386/driver-i386.c (host_detect_local_cpu): Let
1763         -march=native recognize btver1 processors.
1764         * config/i386/i386-c.c (ix86_target_macros_internal): Add
1765         btver1 def_and_undef
1766         * config/i386/i386.c (struct processor_costs btver1_cost): New
1767         btver1 cost table.
1768         (m_BTVER1): New definition.
1769         (m_AMD_MULTIPLE): Includes m_BTVER1.
1770         (initial_ix86_tune_features): Add btver1 tune.
1771         (processor_target_table): Add btver1 entry.
1772         (static const char *const cpu_names): Add btver1 entry.
1773         (software_prefetching_beneficial_p): Add btver1.
1774         (ix86_option_override_internal): Add btver1 instruction sets.
1775         (ix86_issue_rate): Add btver1.
1776         (ix86_adjust_cost): Add btver1.
1777         * config/i386/i386.h (TARGET_BTVER1): New definition.
1778         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
1779         (enum processor_type): Add PROCESSOR_BTVER1.
1780         * config/i386/i386.md (define_attr "cpu"): Add btver1.
1781
1782 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1783
1784         PR target/43309
1785         * config/i386/i386.c (legitimize_tls_address)
1786         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
1787         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
1788         (tls_initial_exec_64_sun): New pattern.
1789
1790 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
1791
1792         * doc/invoke.texi (Overall Options): Improve wording and markup
1793         of the description of -wrapper.
1794
1795 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
1796
1797         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
1798         rdynamic, threads): New Driver options.
1799
1800 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1801
1802         PR target/38118
1803         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
1804         if coming from .tdata.
1805         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1806
1807 2011-01-06  Jan Hubicka  <jh@suse.cz>
1808
1809         PR lto/47188
1810         * collect2.c (main): Do not enable LTOmode when plugin is active.
1811
1812 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1813
1814         PR other/45915
1815         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
1816         --version output if supported.
1817         * configure: Regenerate.
1818
1819 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
1820
1821         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
1822         Driver options.
1823
1824 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
1825
1826         PR c/47150
1827         * c-convert.c (convert): When converting a complex expression
1828         other than COMPLEX_EXPR to a different complex type, ensure
1829         c_save_expr is called instead of save_expr, unless in_late_binary_op.
1830         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
1831         when converting COMPLEX_TYPE.
1832
1833 2011-01-06  Ira Rosen  <irar@il.ibm.com>
1834
1835         PR tree-optimization/47139
1836         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
1837         only the last reduction value is used outside the loop.  Update
1838         documentation.
1839
1840 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
1841
1842         * config/rtems.opt: New.
1843         * config.gcc (*-*-rtems*): Use rtems.opt.
1844
1845 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
1846
1847         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
1848         processors do not support 3DNow instructions.
1849
1850 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1851
1852         * config/spu/spu.c (spu_option_override): Set parameter
1853         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
1854
1855 2011-01-05  Jan Hubicka  <jh@suse.cz>
1856
1857         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
1858         at the command line.
1859
1860 2011-01-05  Martin Jambor  <mjambor@suse.cz>
1861
1862         PR lto/47162
1863         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
1864         deltas on streamed outgoing edges.
1865         (output_node_opt_summary): Output info for outgoing edges only when
1866         the node is in new parameter set.
1867         (output_cgraph_opt_summary): New parameter set, passed to the two
1868         aforementioned functions.  Update its forward declaration and its
1869         callee too.
1870
1871 2011-01-05  Tom Tromey  <tromey@redhat.com>
1872
1873         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
1874         operator to c_finish_omp_atomic.
1875         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
1876         (build_unary_op): Update.
1877         (build_modify_expr): Update.
1878         (build_asm_expr): Update.
1879
1880 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1881
1882         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
1883         newly inserted insns.
1884         (pad_bb): Likewise.
1885         (spu_emit_branch_hint): Likewise.
1886         (insert_hbrp_for_ilb_runout): Likewise.
1887         (spu_machine_dependent_reorg): Call df_finish_pass after
1888         schedule_insns returns.
1889
1890 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1891
1892         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
1893
1894 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1895
1896         PR tree-optimization/47005
1897         * tree-sra.c (struct access): Add 'non_addressable' bit.
1898         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
1899         (decide_one_param_reduction): Return 0 if the parameter is passed by
1900         reference and one of the accesses in the group is non_addressable.
1901
1902 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1903
1904         PR tree-optimization/47056
1905         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
1906         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
1907         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
1908
1909 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1910
1911         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
1912         initializer.  Skip view conversions from aggregate types.
1913
1914 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
1915
1916         PR bootstrap/47055
1917         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
1918
1919 2011-01-04  Philipp Thomas <pth@suse.de>
1920
1921         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
1922         obvious typo.
1923
1924 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1925
1926         * function.c (thread_prologue_and_epilogue_insns): Do not crash
1927         on empty epilogue sequences.
1928
1929 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
1930
1931         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
1932         non-static): New Driver options.
1933
1934 2011-01-04  Jie Zhang  <jie@codesourcery.com>
1935
1936         PR driver/47137
1937         * gcc.c (default_compilers[]): Set combinable field to 0
1938         for all assembly languages.
1939
1940 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
1941
1942         * config/mips/loongson3a.md: New file.
1943         * config/mips/mips.md: Include loongson3a.md.
1944         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
1945         TUNE_LOONGSON_3A.
1946
1947 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
1948
1949         PR middle-end/47017
1950         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
1951         instead of convert_memory_address_addr_space on the base expression.
1952
1953 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1954
1955         * config/spu/spu.c (spu_option_override): Update error text
1956         for bad -march= / -mtune= values.
1957
1958 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1959
1960         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
1961         if branch-hint optimization will be performed.
1962
1963 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
1964
1965         PR tree-optimization/47148
1966         * ipa-split.c (split_function): Convert arguments to
1967         DECL_ARG_TYPE if possible.
1968
1969         PR tree-optimization/47155
1970         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
1971         when computing uns.
1972
1973         PR rtl-optimization/47157
1974         * combine.c (try_combine): If undobuf.other_insn becomes
1975         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
1976         and set *new_direct_jump_p too.
1977
1978 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         PR tree-optimization/47021
1981         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
1982
1983 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
1984
1985         * gcc.c (process_command): Update copyright notice dates.
1986         * gcov.c (print_version): Likewise.
1987         * gcov-dump.c (print_version): Likewise.
1988         * mips-tfile.c (main): Likewise.
1989         * mips-tdump.c (main): Likewise.
1990
1991 2011-01-03  Martin Jambor  <mjambor@suse.cz>
1992
1993         PR tree-optimization/46801
1994         * tree-sra.c (type_internals_preclude_sra_p): Check whether
1995         aggregate fields start at byte boundary instead of the bit-field flag.
1996
1997 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
1998
1999         PR driver/47137
2000         * gcc.c (main): Revert revision 168407.
2001
2002 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2003
2004         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
2005
2006 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2007
2008         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
2009         vector optab to expand vector/scalar shift, update gimple to vector.
2010
2011 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2012
2013         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
2014         a thunk.
2015
2016 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2017
2018         PR tree-optimization/46984
2019         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
2020         HOST_WIDE_INT.
2021         (cgraph_create_indirect_edge): Fixed line length.
2022         (cgraph_indirect_call_info): Declare.
2023         (cgraph_make_edge_direct) Update declaration.
2024         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
2025         (cgraph_create_indirect_edge): Use it.
2026         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
2027         callees.
2028         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
2029         the new thunk_delta representation.
2030         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
2031         HOST_WIDE_INT.
2032         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
2033         (ipa_read_indirect_edge_info): Likewise.
2034         * lto-cgraph.c (output_edge_opt_summary): New function.
2035         (output_node_opt_summary): Call it on all outgoing edges.
2036         (input_edge_opt_summary): New function.
2037         (input_node_opt_summary): Call it on all outgoing edges.
2038
2039 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
2040
2041         PR driver/47137
2042         * gcc.c (main): Don't check have_o when settting combine_inputs.
2043
2044 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2045
2046         * regrename.c: Add general comment describing the pass.
2047         (struct du_head): Remove 'length' field.
2048         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
2049         (regrename_optimize): Do not sort chains.  Rework comments, add others.
2050         Force renaming to the preferred class (if any) in the first pass and do
2051         not consider registers that belong to it in the second pass.
2052         (create_new_chain): Do not set 'length' field.
2053         (scan_rtx_reg): Likewise.
2054
2055 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
2056
2057         PR tree-optimization/47140
2058         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
2059         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
2060         to bit_value_binop.
2061
2062         PR rtl-optimization/47028
2063         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
2064         parm_birth_insn instead of at the beginning of first bb.
2065
2066 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
2067
2068         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
2069         Remove the word "see" before "@pxref".
2070         * doc/rtl.texi: Remove the word "see" before "@pxref".
2071
2072 2011-01-01  Jan Hubicka  <jh@suse.cz>
2073
2074         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
2075         memory.
2076
2077 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
2078
2079         PR target/38662
2080         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
2081
2082 \f
2083 Copyright (C) 2011 Free Software Foundation, Inc.
2084
2085 Copying and distribution of this file, with or without modification,
2086 are permitted in any medium without royalty provided the copyright
2087 notice and this notice are preserved.