OSDN Git Service

714bc44e34a054c0012528fca87f1f6016754464
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
2
3         PR target/42894
4         * varasm.c (force_const_mem): Store copy of x in desc->constant
5         instead of x itself.
6         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
7         itself into REG_EQUAL note.
8
9 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
10
11         * config/freebsd.opt (posix, rdynamic): New Driver options.
12
13 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14
15         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
16         -Bstatic/-Bdynamic.
17         * configure: Regenerate.
18
19 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
20
21         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
22         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
23
24 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
25
26         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
27         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
28         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
29         (s390_preferred_reload_class): Make static. Change return and
30         'rclass' argument type to reg_class_t.
31
32 2011-01-27  Jan Hubicka  <jh@suse.cz>
33
34         PR middle-end/46949
35         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
36         (process_function_and_variable_attributes): Check defined weakrefs.
37
38 2011-01-27  Martin Jambor  <mjambor@suse.cz>
39
40         PR tree-optimization/47228
41         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
42         build_ref_for_offset.
43
44 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
45
46         * config/spu/spu-elf.h (ASM_SPEC): Remove.
47
48 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
49
50         PR rtl-optimization/46856
51         * postreload.c (reload_combine_recognize_const_pattern): Do not
52         separate cc0 setter and user on cc0 targets.
53
54 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
55
56         PR c/43082
57         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
58         passed a VOID_TYPE expression, immediately emit an error and
59         return error_mark_node.
60
61 2011-01-26  Jeff Law  <law@redhat.com>
62
63         PR rtl-optimization/47464
64         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
65         rather than may_trap_p as needed.
66
67 2011-01-26  DJ Delorie  <dj@redhat.com>
68
69         PR rtl-optimization/46878
70         * combine.c (insn_a_feeds_b): Check for the implicit cc0
71         setter/user dependency as well.
72
73 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
74
75         PR rtl-optimization/44469
76         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
77         after removing trivially dead basic blocks.
78
79 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
80
81         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
82         * config/frv/frv.h (LINK_SPEC): Likewise.
83         * config/i386/netware.h (LINK_SPEC): Likewise.
84         * config/m68k/linux.h (ASM_SPEC): Likewise.
85         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
86         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
87         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
88         * config/sparc/linux.h (ASM_SPEC): Likewise.
89         * config/sparc/linux64.h (ASM_SPEC): Likewise.
90         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
91
92 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
93
94         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
95         * config/frv/frv.h (ASM_SPEC): Likewise.
96         * config/m68k/linux.h (ASM_SPEC): Likewise.
97         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
98         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
99         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
100         * config/sparc/linux.h (ASM_SPEC): Likewise.
101         * config/sparc/linux64.h (ASM_SPEC): Likewise.
102         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
103
104 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
105
106         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
107         * config/frv/frv.h (LINK_SPEC): Likewise.
108         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
109
110 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
111
112         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
113         * config/frv/frv.h (ASM_SPEC): Likewise.
114         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
115         * config/m68k/linux.h (ASM_SPEC): Likewise.
116         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
117         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
118         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
119         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
120         * config/sparc/linux.h (ASM_SPEC): Likewise.
121         * config/sparc/linux64.h (ASM_SPEC): Likewise.
122         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
123         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
124
125 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
126
127         PR target/46997
128         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
129         (*mux2): Ditto.
130         (vec_extract_evenodd_help): Ditto.
131         (vec_extract_evenv4hi): Ditto.
132         (vec_extract_oddv4hi): Ditto.
133         (vec_interleave_lowv2si): Ditto.
134         (vec_interleave_highv2si): Ditto.
135         (vec_extract_evenv2si): Ditto.
136         (vec_extract_oddv2si: Ditto.
137         (vec_pack_trunc_v2si): Ditto.
138
139 2011-01-22  Jan Hubicka  <jh@suse.cz>
140
141         PR target/47237
142         * cgraph.h (cgraph_local_info): New field can_change_signature.
143         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
144         signature can change.
145         (ipcp_estimate_growth): Call sequence simplify only if calle signature
146         can change.
147         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
148         (cgraph_function_versioning): We can not change signature of functions
149         that don't allow that.
150         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
151         (lto_input_node): Likewise.
152         * ipa-inline.c (compute_inline_parameters): Compute local.can_change_signature.
153         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
154         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on functions
155         that can not change signature.
156         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
157         init_cumulative_args): Do not use local calling conventions for functions
158         that can not change signature.
159
160 2011-01-22  Jan Hubicka  <jh@suse.cz>
161
162         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
163
164 2011-01-26  Richard Guenther  <rguenther@suse.de>
165
166         PR tree-optimization/47190
167          * cgraphunit.c (process_common_attributes): New function.
168         (process_function_and_variable_attributes): Use it.
169
170 2011-01-26  Richard Guenther  <rguenther@suse.de>
171
172         PR lto/47423
173         * cgraphbuild.c (record_eh_tables): Record reference to personality
174         function.
175
176 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
177
178         PR debug/45454
179         * sel-sched.c (moveup_expr): Don't let debug insns prevent
180         non-debug insns from moving up.
181
182 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
183
184         PR target/40125
185         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
186         t-dlldir{,-x} fragment for build and add it to tmake_file.
187         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
188         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
189         * config/i386/t-dlldir: New file.
190         (SHLIB_DLLDIR): Define.
191         * config/i386/t-dlldir-x: New file.
192         (SHLIB_DLLDIR): Define.
193         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
194         (SHLIB_INSTALL): Use it.
195
196 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
197
198         PR target/47246
199         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
200         lower bound of the allowed Thumb-2 coprocessor load/store
201         index range to -256. Add explaining comment.
202
203 2011-01-25  Ian Lance Taylor  <iant@google.com>
204
205         * godump.c (go_define): Improve lexing of macro expansion to only
206         accept expressions which match Go spec.
207
208 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
209
210         PR c++/43601
211         * tree.c (handle_dll_attribute): Handle it.
212         * doc/extend.texi (@item dllexport): Mention it.
213         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
214
215 2011-01-25  Ian Lance Taylor  <iant@google.com>
216
217         PR tree-optimization/26854
218         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
219         (decl_jump_unsafe): Move higher in file, with no other change.
220         (bind): Set has_jump_unsafe_decl if appropriate.
221         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
222         (check_earlier_gotos): Likewise.
223         (c_check_switch_jump_warnings): Likewise.
224
225 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
226
227         * doc/invoke.texi (Warning Options): Add missing hyphen.
228         (-fprofile-dir): Minor grammatical fixes.
229         (-fbranch-probabilities): Likewise.
230
231 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
232
233         PR debug/45136
234         PR debug/45130
235         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
236         debug insns.
237         (no_real_insns_p, schedule_block, set_priorities): Drop special
238         treatment of boundary debug insns.
239         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
240         insns.
241         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
242         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
243         (BOUNDARY_DEBUG_INSN_P): Likewise.
244         (SCHEDULE_DEBUG_INSN_P): Likewise.
245         * sched-rgn.c (init_ready_list): Drop special treatment of
246         boundary debug insns.
247         * final.c (rest_of_clean-state): Clear notes' BB.
248
249 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
250
251         * Makefile.in (LAMBDA_H): Removed.
252         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
253         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
254         lambda-trans.o, and tree-loop-linear.o.
255         (lto-symtab.o): Remove dependence on LAMBDA_H.
256         (tree-loop-linear.o): Remove rule.
257         (lambda-mat.o): Same.
258         (lambda-trans.o): Same.
259         (lambda-code.o): Same.
260         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
261         (tree-vect-slp.o): Same.
262         * hwint.h (gcd): Moved here.
263         (least_common_multiple): Same.
264         * lambda-code.c: Removed.
265         * lambda-mat.c: Removed.
266         * lambda-trans.c: Removed.
267         * lambda.h: Removed.
268         * tree-loop-linear.c: Removed.
269         * lto-symtab.c: Do not include lambda.h.
270         * omega.c (gcd): Removed.
271         * passes.c (init_optimization_passes): Remove pass_linear_transform.
272         * tree-data-ref.c (print_lambda_vector): Moved here.
273         (lambda_vector_copy): Same.
274         (lambda_matrix_copy): Same.
275         (lambda_matrix_id): Same.
276         (lambda_vector_first_nz): Same.
277         (lambda_matrix_row_add): Same.
278         (lambda_matrix_row_exchange): Same.
279         (lambda_vector_mult_const): Same.
280         (lambda_vector_negate): Same.
281         (lambda_matrix_row_negate): Same.
282         (lambda_vector_equal): Same.
283         (lambda_matrix_right_hermite): Same.
284         * tree-data-ref.h: Do not include lambda.h.
285         (lambda_vector): Moved here.
286         (lambda_matrix): Same.
287         (dependence_level): Same.
288         (lambda_transform_legal_p): Removed declaration.
289         (lambda_collect_parameters): Same.
290         (lambda_compute_access_matrices): Same.
291         (lambda_vector_gcd): Same.
292         (lambda_vector_new): Same.
293         (lambda_vector_clear): Same.
294         (lambda_vector_lexico_pos): Same.
295         (lambda_vector_zerop): Same.
296         (lambda_matrix_new): Same.
297         * tree-flow.h (least_common_multiple): Removed declaration.
298         * tree-parloops.c (lambda_trans_matrix): Moved here.
299         (LTM_MATRIX): Same.
300         (LTM_ROWSIZE): Same.
301         (LTM_COLSIZE): Same.
302         (LTM_DENOMINATOR): Same.
303         (lambda_trans_matrix_new): Same.
304         (lambda_matrix_vector_mult): Same.
305         (lambda_transform_legal_p): Same.
306         * tree-pass.h (pass_linear_transform): Removed declaration.
307         * tree-ssa-loop.c (tree_linear_transform): Removed.
308         (gate_tree_linear_transform): Removed.
309         (pass_linear_transform): Removed.
310         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
311         flag_loop_interchange.
312
313 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
314
315         PR tree-optimization/47265
316         PR tree-optimization/47443
317         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
318         if name still has some uses.
319
320 2011-01-25  Martin Jambor  <mjambor@suse.cz>
321
322         PR tree-optimization/47382
323         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
324         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
325
326 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
327
328         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
329         sjlj_except_unwind_info.
330
331 2011-01-25  Richard Guenther  <rguenther@suse.de>
332
333         PR tree-optimization/47426
334         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
335         visible functions results escape.
336
337 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
338
339         PR target/45701
340         * config/arm/arm.c (any_sibcall_uses_r3): New function.
341         (arm_get_frame_offsets): Use it.
342
343 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
344             Jakub Jelinek  <jakub@redhat.com>
345
346         PR tree-optimization/47271
347         * tree-if-conv.c (bb_postdominates_preds): New.
348         (if_convertible_bb_p): Call bb_postdominates_preds.
349         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
350         (predicate_scalar_phi): Call bb_postdominates_preds.
351
352 2011-01-25  Nick Clifton  <nickc@redhat.com>
353
354         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
355         * config/rx/rx.c (rx_function_value): Likewise.
356         (rx_promote_function_mode): Likewise.
357         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
358         in order to make it legitimate.
359         * config/rx/rx.md (adddi3_internal): If the second operand is a
360         MEM make sure that the first operand is the same as the result
361         register.
362         (addsi3_unspec): Delete.
363         (subdi3): Do not accept immediate operands.
364         (subdi3_internal): Likewise.
365
366 2011-01-25  Jeff Law  <law@redhat.com>
367
368         PR rtl-optimization/37273
369         * ira-costs.c (scan_one_insn): Detect constants living in memory and
370         handle them like argument loads from stack slots.  Do not double
371         count memory for memory constants and argument loads from stack slots.
372
373 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
374
375         PR tree-optimization/47427
376         PR tree-optimization/47428
377         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
378         coalesce if the new root var would be TREE_READONLY.
379
380 2011-01-25  Richard Guenther  <rguenther@suse.de>
381
382         PR middle-end/47414
383         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
384         correct type for TBAA.
385
386 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
387
388         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
389         (close_phi_written_to_memory): Call for_each_index with
390         dr_indices_valid_in_loop.
391
392 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
393
394         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
395         when it is initialized.
396
397 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
398
399         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
400         call to graphite_find_data_references_in_stmt.
401         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
402         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
403         call to graphite_find_data_references_in_stmt.
404         (analyze_drs_in_stmts): Same.
405         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
406         in which the scalar analysis of indices is performed.
407         (create_data_ref): Same.  Update call to dr_analyze_indices.
408         (find_data_references_in_stmt): Update call to create_data_ref.
409         (graphite_find_data_references_in_stmt): Same.
410         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
411         declaration.
412         (create_data_ref): Same.
413         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
414         call to create_data_ref.
415
416 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
417
418         * graphite-sese-to-poly.c (build_poly_scop): Move
419         rewrite_commutative_reductions_out_of_ssa before
420         find_scop_parameters.
421
422 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
423
424         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
425         VAR_DECL, PARM_DECL, and RESULT_DECL.
426
427 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
428
429         * graphite-dependences.c (reduction_dr_1): Allow several reductions
430         in a reduction PBB.
431         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
432         that have already been marked as PBB_IS_REDUCTION.
433
434 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
435
436         * graphite-scop-detection.c (same_close_phi_node): New.
437         (remove_duplicate_close_phi): New.
438         (make_close_phi_nodes_unique): New.
439         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
440
441 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
442
443         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
444         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
445         of both data references to be the same.
446
447 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
448
449         * graphite-dependences.c (build_lexicographical_constraint): Remove the
450         gdim parameter.
451         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
452         (dependence_polyhedron): Same.
453         (graphite_legal_transform_dr): Same.
454         (graphite_carried_dependence_level_k): Same.
455         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
456         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
457
458 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
459
460         * graphite-sese-to-poly.c
461         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
462         (close_phi_written_to_memory): New.
463         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
464         and unshare_expr.
465
466 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
467
468         * doc/install.texi: Update the expected version number of PPL to 0.11.
469         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
470         #if PPL_VERSION_MINOR < 11.
471
472 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
473
474         * graphite-dependences.c: Include graphite-cloog-util.h.
475         (new_poly_ddr): Inlined into dependence_polyhedron.
476         (free_poly_ddr): Moved close by new_poly_ddr.
477         (dependence_polyhedron_1): Renamed dependence_polyhedron.
478         Early return NULL when ppl_powerset_is_empty returns true.
479         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
480         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
481         (graphite_legal_transform_dr): Call new_poly_ddr.
482         (graphite_carried_dependence_level_k): Same.
483         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
484         (dot_transformed_deps_stmt_1): Removed.
485         (dot_deps_stmt_1): Call dot_deps_stmt_2.
486         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
487         (dot_deps_1): Call dot_deps_2.
488         * Makefile.in (graphite-dependences.o): Add missing dependence on
489         graphite-cloog-util.h.
490
491 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
492
493         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
494         (build_lexicographical_constraint): Same.
495         (dependence_polyhedron_1): Same.
496         (graphite_legal_transform_dr): Same.
497         (graphite_carried_dependence_level_k): Same.
498         * graphite-ppl.c (ppl_powerset_is_empty): New.
499         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
500         * tree-data-ref.c (dump_data_reference): Print the basic block index.
501
502 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
503
504         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
505         the "a followed by b" relation and document it.
506
507 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
508
509         * graphite-dependences.c (build_lexicographical_constraint): Stop the
510         iteration when the bag of constraints is empty.
511
512 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
513
514         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
515
516 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
517
518         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
519         nest and two loop depths as parameters.
520         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
521         lst_perfect_nestify.
522
523 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
524
525         * graphite-dependences.c (print_pddr): Call
526         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
527
528 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
529
530         * graphite-ppl.c (debug_gmp_value): New.
531         * graphite-ppl.h (debug_gmp_value): Declared.
532
533 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
534
535         * doc/install.texi: Document availability of cloog-0.16.
536
537 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
538
539         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
540         invalid postdominance info.
541
542 2011-01-24  Jan Hubicka  <jh@suse.cz>
543
544         PR c/21659
545         * doc/extend.texi (weak pragma): Drop claim that it must
546         appear before definition.
547         * varasm.c (merge_weak, declare_weak): Only sanity check
548         that DECL is not output at a time it is declared weak.
549
550 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
551
552         * machmode.def: Fixed comments.
553
554 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
555
556         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
557
558 2011-01-24  Paul Koning  <ni1d@arrl.net>
559
560         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
561         WORDS_BIG_ENDIAN.
562
563 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
564
565         PR target/46519
566         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
567         (block_info): Add scanned and prev.
568         (move_or_delete_vzeroupper_2): Return if the basic block
569         has been scanned and the upper 128bit state is unchanged
570         from the last scan.
571         (move_or_delete_vzeroupper_1): Return true if the exit
572         state is changed.
573         (move_or_delete_vzeroupper): Visit basic blocks using the
574         work-list based algorithm based on vt_find_locations in
575         var-tracking.c.
576
577         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
578
579 2011-01-24  Nick Clifton  <nickc@redhat.com>
580
581         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
582         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
583         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
584         then define __v850e1__.
585         * doc/invoke.texi: Document -mv850es.
586
587 2011-01-24  Richard Henderson  <rth@redhat.com>
588
589         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
590         compound unordered comparisons.
591         * config/rx/rx.c (rx_split_fp_compare): Remove.
592         * config/rx/rx-protos.h: Update.
593         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
594         (cbranchsf4): Don't call rx_split_fp_compare.
595         (*cbranchsf4): Use rx_split_cbranch.
596         (*cmpsf): Don't accept "i" constraint.
597         (*conditional_branch): Only valid after reload.
598         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
599
600 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
601
602         PR target/47385
603         * config/rs6000/altivec.md (vector constant splitters): Add
604         support for creating vector single precision constants if -mvsx is
605         used and we would create the constant using Altivec primitives.
606
607 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
608             Richard Sandiford  <rdsandiford@googlemail.com>
609
610         PR rtl-optimization/47166
611         * reload1.c (emit_reload_insns): Disable the spill_reg_store
612         mechanism for PRE_MODIFY and POST_MODIFY.
613         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
614         reloadreg.
615
616 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
617
618         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
619
620 2011-01-22  Jan Hubicka  <jh@suse.cz>
621
622         PR lto/47333
623         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
624
625 2011-01-22  Jan Hubicka  <jh@suse.cz>
626
627         PR tree-optimization/43884
628         PR lto/44334
629         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
630         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
631
632 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
633
634         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
635         * config/s390/s390.c (s390_register_move_cost,
636         s390_memory_move_cost): New.
637         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
638
639 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
640
641         PR middle-end/47401
642         * except.c (sjlj_assign_call_site_values): Move setting the
643         crtl->uses_eh_lsda flag to ...
644         (sjlj_mark_call_sites): ... here.
645         (sjlj_emit_function_enter): Support NULL dispatch label.
646         (sjlj_build_landing_pads): In a function with no landing pads
647         that still has must-not-throw regions, generate code to register
648         a personality function with empty LSDA.
649
650 2011-01-21  Richard Henderson  <rth@redhat.com>
651
652         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
653
654         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
655
656         * compare-elim.c: New file.
657         * Makefile.in (OBJS-common): Add it.
658         (compare-elim.o): New.
659         * common.opt (fcompare-elim): New.
660         * opts.c (default_options_table): Add OPT_fcompare_elim.
661         * tree-pass.h (pass_compare_elim_after_reload): New.
662         * passes.c (init_optimization_passes): Add it.
663         * recog.h: Protect against re-inclusion.
664         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
665         * doc/invoke.texi (-fcompare-elim): Document it.
666         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
667         * doc/tm.texi: Rebuild.
668
669 2011-01-22  Nick Clifton  <nickc@redhat.com>
670
671         * config/rx/rx.md (cstoresf4): Pass comparison operator to
672         rx_split_fp_compare.
673
674 2011-01-22  Nick Clifton  <nickc@redhat.com>
675
676         * config/rx/rx.md (UNSPEC_CONST): New.
677         (deallocate_and_return): Wrap the amount popped off the stack in
678         an UNSPEC_CONST in order to stop it being rejected by
679         -mmax-constant-size.
680         (pop_and_return): Add a "(return)" rtx.
681         (call): Drop the immediate operand.
682         (call_internal): Likewise.
683         (call_value): Likewise.
684         (call_value_internal): Likewise.
685         (sibcall_internal): Likewise.
686         (sibcall_value_internal): Likewise.
687         (sibcall): Likewise.  Generate an explicit call using
688         sibcall_internal.
689         (sibcall_value): Likewise.
690         (mov<>): FAIL if a constant operand is not legitimate.
691         (addsi3_unpsec): New pattern.
692
693         * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
694         CONSTs.
695         (ok_for_max_constant): New function.
696         (gen_safe_add): New function.
697         (rx_expand_prologue): Use gen_safe_add.
698         (rx_expand_epilogue): Likewise.
699         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
700         UNSPEC CONSTs.
701
702 2011-01-21  Jeff Law  <law@redhat.com>
703
704         PR tree-optimization/47053
705         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
706         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
707         statements are deleted.
708         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
709         is nonempty, then purge dead edges and cleanup the CFG.
710
711 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
712
713         PR debug/47402
714         Temporarily revert:
715         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
716         PR debug/47106
717         * tree-dfa.c (create_var_ann): Mark variable as used.
718
719 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
720
721         PR middle-end/45566
722         * except.c (convert_to_eh_region_ranges): Emit queued no-region
723         notes from other section in hot/cold partitioning even if
724         last_action is -3.  Increment call_site_base.
725
726         PR rtl-optimization/47366
727         * fwprop.c (forward_propagate_into): Return bool.  If
728         any changes are made, -fnon-call-exceptions is used and
729         REG_EH_REGION note is present, call purge_dead_edges
730         and return true if it purged anything.
731         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
732         any EH edges were purged.
733
734 2011-01-21  Jeff Law  <law@redhat.com>
735
736         PR rtl-optimization/41619
737         * caller-save.c (setup_save_areas): Break out code to determine
738         which hard regs are live across calls by examining the reload chains
739         so that it is always used.
740         Eliminate code which checked REG_N_CALLS_CROSSED.
741
742 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
743
744         PR tree-optimization/47355
745         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
746         NOP has non-debug uses beyond PHIs in new_bb.
747
748 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
749
750         PR debug/47106
751         * cfgexpand.c (account_used_vars_for_block): Only account vars
752         that are annotated as used.
753         (estimated_stack_frame_size): Don't set TREE_USED.
754         * tree-dfa.c (create_var_ann): Mark variable as used.
755
756 2011-01-21  Richard Guenther  <rguenther@suse.de>
757
758         PR middle-end/47395
759         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
760
761 2011-01-21  Richard Guenther  <rguenther@suse.de>
762
763         PR tree-optimization/47365
764         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
765         (vn_reference_lookup_pieces): Adjust.
766         (vn_reference_lookup): Likewise.
767         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
768         (vn_reference_lookup_3): Only look through kills if in
769         VN_WALKREWRITE mode.
770         (vn_reference_lookup_pieces): Adjust.
771         (vn_reference_lookup): Likewise.
772         (visit_reference_op_load): Likewise.
773         (visit_reference_op_store): Likewise.
774         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
775         (compute_avail): Likewise.
776         (eliminate): Likewise.
777
778 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
779
780         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
781         DECL_IGNORED_P non-reg vars if they are used.
782
783         PR tree-optimization/47391
784         * varpool.c (const_value_known_p): Return false if
785         decl is volatile.
786
787 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
788
789         PR bootstrap/47215
790         * config/i386/i386.c (ix86_local_alignment): Handle
791         case for va_list_type_node is nil.
792         (ix86_canonical_va_list_type): Likewise.
793
794 2011-01-21  Alan Modra  <amodra@gmail.com>
795
796         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
797         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
798
799 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
800
801         * config/arm/arm.md (define_attr type): Rename f_load
802         and f_store to f_fpa_load and f_fpa_store. Update.
803         (write_conflict): Deal with rename fallout.
804         (*push_fp_multi): Likewise.
805         * config/arm/fpa.md (f_load): Use f_fpa_load.
806         (f_store): Use f_fpa_store.
807         (*movsf_fpa): Likewise.
808         (*movdf_fpa): Likewise.
809         (*movxf_fpa): Likewise.
810         (*thumb2_movsf_fpa): Likewise.
811         (*thumb2_movdf_fpa): Likewise.
812         (*thumb2_movxf_fpa): Likewise.
813         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
814         f_loadd and f_stored.
815         (*thumb2_movdi_vfp): Likewise.
816         (*thumb2_movsf_vfp): Fix attribute to f_loads.
817         (*thumb2_movsi_vfp): Likewise.
818         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
819         Use f_loads instead of f_load.
820         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
821
822 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
823
824         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
825         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
826         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
827         (xtensa_mode_dependent_address_p): New function.
828         (constantpool_address_p): Make static. Change return type to bool.
829         Change argument type to const_rtx. Use CONST_INT_P predicate.
830
831 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
832
833         PR debug/46583
834         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
835
836 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
837
838         PR debug/47283
839         * cfgexpand.c (expand_debug_expr): Instead of generating
840         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
841         etc. handling.
842
843 2011-01-20  Richard Guenther  <rguenther@suse.de>
844
845         PR middle-end/47370
846         * tree-inline.c (remap_gimple_op_r): Recurse manually for
847         the pointer operand of MEM_REFs.
848
849 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
850
851         PR tree-optimization/46130
852         * ipa-split.c (consider_split): If return_bb contains non-virtual
853         PHIs other than for retval or if split_function would not adjust it,
854         refuse to split.
855
856 2011-01-20  Richard Guenther  <rguenther@suse.de>
857
858         PR tree-optimization/47167
859         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
860         Revert previous change, only avoid enumeral type changes.
861
862 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
863
864         PR c++/47291
865         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
866         (gen_scheduled_generic_parms_dies): New functions.
867         (gen_struct_or_union_type_die): Schedule template parameters DIEs
868         generation for the end of CU compilation.
869         (dwarf2out_finish): Generate template parameters DIEs here.
870
871 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
872
873         PR debug/46240
874         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
875         debug bind stmt on merge edges.
876
877 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
878
879         PR debug/47079
880         PR debug/46724
881         * function.c (instantiate_expr): Instantiate incoming rtl of
882         implicit arguments, and recurse on VALUE_EXPRs.
883         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
884         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
885
886 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
887
888         * c-parser.c (c_parser_for_statement): Initialize
889         collection_expression.
890
891 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
892
893         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
894
895 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
896
897         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
898         (LINK_SHLIB_SPEC): Don't use %(link_path).
899         (SUBTARGET_EXTRA_SPECS): Remove link_path.
900
901 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
902
903         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
904         (NO_SHARED_LIB_SUPPORT): Remove.
905         (LINK_SHLIB_SPEC): Remove one conditional definition.
906
907 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
908
909         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
910         %{call_shared}.
911         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
912         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
913         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
914         %{call_shared} and conditionals on these options not being passed.
915         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
916         %{call_shared}.
917
918 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
919
920         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
921         simplify.
922
923         * ipa-split.c: Spelling fixes.
924
925 2011-01-19  Richard Henderson  <rth@redhat.com>
926
927         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
928         (*mulsi3): Likewise.
929
930         * longlong.h [__mn10300__] (count_leading_zeros): New.
931         [__mn10300__] (umul_ppmm, smul_ppmm): New.
932         [__mn10300__] (add_ssaaaa, subddmmss): New.
933         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
934         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
935
936 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
937
938         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
939
940 2011-01-19  Richard Henderson  <rth@redhat.com>
941
942         * config/mn10300/mn10300.md (addsi3_flags): New.
943         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
944         (subsi3_flags, subc_internal, subdi3): New.
945         (subdi3_internal, *subdi3_degenerate): New.
946         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
947
948         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
949         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
950         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
951         * config/mn10300/mn10300-protos.h: Update.
952         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
953         (return_ret): Likewise.  Rename from return_internal_regs.
954         (return_internal): Remove.
955
956         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
957         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
958         (mn10300_legitimate_constant_p): Likewise.
959         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
960         (mn10300_frame_size): New.
961         (mn10300_expand_prologue): Use it.
962         (mn10300_expand_epilogue): Likewise.
963         (mn10300_initial_offset): Likewise.
964         * config/mn10300/mn10300-protos.h: Update.
965         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
966         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
967         (prologue, epilogue, return_internal): Tidy output code.
968         (mn10300_store_multiple_operation, return): Likewise.
969         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
970         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
971         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
972         (load_pic, am33_load_pic): New.
973         (mn10300_load_pic0, mn10300_load_pic1): New.
974
975         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
976         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
977         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
978         (cc_flags_for_mode, cc_flags_for_code): New.
979         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
980         overflow flag is not valid.  Validate that the flags we need
981         for the comparison are valid.
982         (mn10300_output_cmp): Remove.
983         (mn10300_output_add): New.
984         (mn10300_select_cc_mode): Use cc_flags_for_code.
985         (mn10300_split_cbranch): New.
986         (mn10300_match_ccmode): New.
987         (mn10300_split_and_operand_count): New.
988         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
989         to the function.
990         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
991         (addsi3): ... here.  Use mn10300_output_add.
992         (*addsi3_flags): New.
993         (*am33_subsi3, *mn10300_subsi3): Merge...
994         (subsi3): ... here.  Use attribute isa.
995         (*subsi3_flags): New.
996         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
997         when possible.
998         (*am33_andsi3, *mn10300_andsi3): Merge...
999         (andsi3): ... here.
1000         (*andsi3_flags): New.
1001         (andsi3 splitters): New.
1002         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1003         (iorsi3): ... here.
1004         (*iorsi3_flags): New.
1005         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1006         (xorsi3): ... here.
1007         (*xorsi3_flags): New.
1008         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1009         (one_cmplsi2): ... here.
1010         (*one_cmplsi2_flags): New.
1011         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1012         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1013         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1014         use matching constraints to eliminate a self-comparison.
1015         (*integer_conditional_branch): Rename from integer_conditional_branch.
1016         Use int_mode_flags to match CC_REG.
1017         (*cbranchsi4_btst, *btstsi): New.
1018         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1019         mn10300_split_cbranch.
1020         (*am33_cmpsf): Rename from am33_cmpsf.
1021         (*float_conditional_branch): Rename from float_conditional_branch.
1022         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1023         (zero_extendqisi2): ... here.
1024         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1025         (zero_extendhisi2): ... here.
1026         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1027         (extendqisi2): ... here.
1028         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1029         (extendhisi2): ... here.
1030         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1031         (ashlsi3): ... here.
1032         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1033         (lshrsi3): ... here.
1034         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1035         (ashrsi3): ... here.
1036         (consecutive add peephole): Remove.
1037         * config/mn10300/predicates.md (label_ref_operand): New.
1038         (int_mode_flags): New.
1039         (CCZN_comparison_operator): New.
1040
1041         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1042         (throughput_42_latency_43): New reservation.
1043         (mulsidi3, umulsidi3): New expanders.
1044         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1045         the MDR register to allocation; separately allocate the low and
1046         high parts of the DImode result.
1047         (umulsidi3_internal): Similarly.
1048         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1049         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1050         (udivsi3, umodsi3): Remove.
1051         (udivmodsi4, divmodsi4): New expanders.
1052         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1053         (*divmodsi4): Simiarly.
1054         (ext_internal): New.
1055
1056         * config/mn10300/constraints.md ("z"): New constraint.
1057         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1058         (FIXED_REGISTERS): Don't fix MDR.
1059         (CALL_USED_REGSITERS): Reformat nicely.
1060         (REG_ALLOC_ORDER): Add MDR.
1061         (enum regclass): Add MDR_REGS.
1062         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1063         (IRA_COVER_CLASSES): Add MDR_REGS.
1064         (REGNO_REG_CLASS): Handle MDR_REG.
1065         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1066         (mn10300_register_move_cost): Likewise.
1067         * config/mn10300/mn10300.md (MDR_REG): New.
1068         (*movsi_internal): Handle moves to/from MDR_REGS.
1069
1070         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1071         POST_MODIFY.
1072         (mn10300_secondary_reload): Tidy combination reload classes.
1073         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1074         addresses for AM33.  Allow symbolic offsets for reg+imm.
1075         (mn10300_regno_in_class_p): New.
1076         (mn10300_legitimize_reload_address): New.
1077         * config/mn10300/mn10300.h (enum reg_class): Remove
1078         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1079         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1080         SP_OR_GENERAL_REGS.
1081         (REG_CLASS_NAMES): Update to match.
1082         (REG_CLASS_CONTENTS): Likewise.
1083         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1084         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1085         (REGNO_IN_RANGE_P): Remove.
1086         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1087         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
1088         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
1089         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
1090         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
1091         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
1092         (REGNO_GENERAL_P): New.
1093         (HAVE_POST_MODIFY_DISP): New.
1094         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
1095         (LEGITIMIZE_RELOAD_ADDRESS): New.
1096         * config/mn10300/mn10300-protos.h: Update.
1097
1098         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
1099         DATA_REGS for AM33 stack-pointer destination.
1100         (mn10300_preferred_output_reload_class): Likewise.
1101         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
1102         into a form appropriate for ...
1103         (TARGET_SECONDARY_RELOAD): New.
1104         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
1105         * config/mn10300/mn10300-protos.h: Update.
1106         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
1107         reload_insi; use the "A" constraint for the scratch; handle AM33
1108         moves of sp to non-address registers.
1109
1110         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
1111         (*movqi_internal): ... here.
1112         (*am33_movhi, *mn10300_movhi): Merge into...
1113         (*movhi_internal): ... here.
1114         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
1115         as the source/destination of moves from/to SP.
1116         (movsf): Only allow for AM33-2.
1117         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
1118         any integer constant constraint.  Only allow for AM33-2.  Tidy
1119         all of the alternative outputs.
1120         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
1121         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
1122         for MN103.
1123         (udivsi3, umodsi3): New patterns for MN103 only.
1124
1125 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
1126
1127         * doc/tm.texi.in: Spell out that a lack of register class unions
1128         can lead to ICEs.
1129         * doc/tm.texi: Regenerate.
1130
1131 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1132
1133         PR rtl-optimization/47337
1134         * dce.c (check_argument_store): New function.
1135         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
1136
1137         PR tree-optimization/47290
1138         * tree-eh.c (infinite_empty_loop_p): New function.
1139         (cleanup_empty_eh): Use it.
1140
1141 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
1142
1143         PR target/46997
1144         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
1145         (a64_expand_widen_sum): Ditto.
1146         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
1147         (vec_extract_evenodd_help): Ditto.
1148         (vec_extract_evenv4hi): Ditto.
1149         (vec_extract_oddv4hi): Ditto.
1150         (vec_extract_evenv2si): Ditto.
1151         (vec_extract_oddv2si): Ditto.
1152         (vec_extract_evenv2sf): Ditto.
1153         (vec_extract_oddv2sf): Ditto.
1154         (vec_pack_trunc_v4hi: Ditto.
1155         (vec_pack_trunc_v2si): Ditto.
1156         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
1157         (vec_interleave_highv8qi): Ditto.
1158         (mix1_r): Ditto.
1159         (vec_extract_oddv8qi): Ditto.
1160         (vec_interleave_lowv4hi): Ditto.
1161         (vec_interleave_highv4hi): Ditto.
1162         (vec_interleave_lowv2si): Ditto.
1163         (vec_interleave_highv2si): Ditto.
1164
1165 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1166
1167         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
1168         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
1169         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
1170         (pa_c_mode_for_suffix): New.
1171         (TARGET_EXPAND_BUILTIN): Define.
1172         (TARGET_C_MODE_FOR_SUFFIX): Define.
1173         (pa_builtins): Define.
1174         (pa_init_builtins): Register __float128 type and init new support
1175         builtins.
1176         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
1177         * config/pa/quadlib.c (_U_Qfcopysign): New.
1178
1179 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1180
1181         PR middle-end/46894
1182         * explow.c (allocate_dynamic_stack_space): Do not assume more than
1183         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
1184         are defined.
1185
1186 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1187
1188         PR tree-optimization/47179
1189         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
1190         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
1191
1192 2011-01-18  Richard Guenther  <rguenther@suse.de>
1193
1194         PR rtl-optimization/47216
1195         * emit-rtl.c: Include tree-flow.h.
1196         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
1197         of replicating it with different semantics.
1198         * Makefile.in (emit-rtl.o): Adjust.
1199
1200 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1201
1202         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
1203         include.
1204         (cortex_a9_dp): Handle neon types correctly.
1205
1206 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
1207
1208         PR rtl-optimization/47299
1209         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
1210         subtarget.  Use normal multiplication if both operands are
1211         constants.
1212         * expmed.c (expand_widening_mult): Don't try to optimize constant
1213         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
1214         before using it.
1215
1216 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1217
1218         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
1219         spacing after 'e.g.', typos, comma, hyphenation.
1220
1221 2011-01-17  Richard Henderson  <rth@redhat.com>
1222
1223         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
1224         (rx_restricted_mem_operand): New.
1225         (rx_shift_operand): Use register_operand.
1226         (rx_source_operand, rx_compare_operand): Likewise.
1227         * config/rx/rx.md (addsi3_flags): New expander.
1228         (adddi3): Rewrite as expander.
1229         (adc_internal, *adc_flags, adddi3_internal): New patterns.
1230         (subsi3_flags): New expander.
1231         (subdi3): Rewrite as expander.
1232         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
1233
1234         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
1235         (rx_init_builtins): Remove sat builtin.
1236         (rx_expand_builtin): Likewise.
1237         * config/rx/rx.md (ssaddsi3): New.
1238         (*sat): Rename from sat.  Represent the CC_REG input.
1239
1240         * config/rx/predicates.md (rshift_operator): New.
1241         * config/rx/rx.c (rx_expand_insv): Remove.
1242         * config/rx/rx-protos.h: Update.
1243         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
1244         operand to the canonical position.
1245         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
1246         (*bitclr, *bitclr_in_memory): Similarly.
1247         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
1248         (insv): Retain the zero_extract in the expansion.
1249
1250         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
1251         (bswaphi2, bitinvert, revw): Likewise.
1252
1253         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
1254         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1255         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
1256         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
1257         (bitset, bitset_in_memory): Likewise.
1258         (bitinvert, bitinvert_in_memory): Likewise.
1259         (bitclr, bitclr_in_memory): Likewise.
1260         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
1261         (rx_strend, rx_cmpstrn): Likewise.
1262         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
1263         (bitop peep2 patterns): Remove.
1264
1265         * config/rx/rx.c (rx_match_ccmode): New.
1266         * config/rx/rx-protos.h: Update.
1267         * config/rx/rx.md (abssi2): Clobber, don't set flags.
1268         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
1269         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
1270         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
1271         (fix_truncsfsi2, floatsisf2): Likewise.
1272         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
1273         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
1274         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
1275         (*subsi3_flags, *xorsi3_flags): New.
1276
1277         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
1278
1279         * config/rx/rx.c (rx_print_operand): Remove workaround for
1280         unsplit comparison operations.
1281
1282         * config/rx/rx.md (movsicc): Split after reload.
1283         (*movsicc): Merge *movsieq and *movsine via match_operator.
1284         (*stcc): New pattern.
1285
1286         * config/rx/rx.c (rx_float_compare_mode): Remove.
1287         * config/rx/rx.h (rx_float_compare_mode): Remove.
1288         * config/rx/rx.md (cstoresi4): Split after reload.
1289         (*sccc): New pattern.
1290
1291         * config/rx/predicates.md (label_ref_operand): New.
1292         (rx_z_comparison_operator): New.
1293         (rx_zs_comparison_operator): New.
1294         (rx_fp_comparison_operator): New.
1295         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
1296         Validate that the flags are set properly for the comparison.
1297         (rx_gen_cond_branch_template): Remove.
1298         (rx_cc_modes_compatible): Remove.
1299         (mode_from_flags): New.
1300         (flags_from_code): Rename from flags_needed_for_conditional.
1301         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
1302         (rx_select_cc_mode): Likewise.
1303         (rx_split_fp_compare): New.
1304         (rx_split_cbranch): New.
1305         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
1306         (*cbranchsi4): Use match_operator and rx_split_cbranch.
1307         (*cbranchsf4): Similarly.
1308         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
1309         match_operator and rx_split_cbranch.
1310         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
1311         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
1312         (*cmpsi): Rename from cmpsi.
1313         (*tstsi): Rename from tstsi.
1314         (*cmpsf): Rename from cmpsf; use CC_Fmode.
1315         (*conditional_branch): Rename from conditional_branch.
1316         (*reveresed_conditional_branch): Remove.
1317         (b<code>): Remove expander.
1318         * config/rx/rx-protos.h: Update.
1319
1320         * config/rx/rx.c (rx_compare_redundant): Remove.
1321         * config/rx/rx.md (cmpsi): Don't use it.
1322         * config/rx/rx-protos.h: Update.
1323
1324         * config/rx/rx-modes.def (CC_F): New mode.
1325         * config/rx/rx.c (rx_select_cc_mode): New.
1326         * config/rx/rx.h (SELECT_CC_MODE): Use it.
1327         * config/rx/rx-protos.h: Update.
1328
1329 2011-01-17  Richard Henderson  <rth@redhat.com>
1330
1331         * except.c (dump_eh_tree): Fix stray ; after for statement.
1332
1333 2011-01-17  Richard Guenther  <rguenther@suse.de>
1334
1335         PR tree-optimization/47313
1336         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
1337         handling before copying the body.  Properly deal with
1338         by-reference result in SSA form.
1339
1340 2011-01-17  Ian Lance Taylor  <iant@google.com>
1341
1342         PR target/47219
1343         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
1344         (struct_value_alias_set): Don't define.
1345         (sparc_option_override): Don't set sparc_sr_alias_set and
1346         struct_value_alias_set.
1347         (save_or_restore_regs): Use gen_frame_mem rather than calling
1348         set_mem_alias_set.
1349         (sparc_struct_value_rtx): Likewise.
1350
1351 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1352
1353         PR target/47318
1354         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
1355         __m128i.
1356         (_mm_maskstore_pd): Likewise.
1357         (_mm_maskload_ps): Likewise.
1358         (_mm_maskstore_ps): Likewise.
1359         (_mm256_maskload_pd): Change mask to __m256i.
1360         (_mm256_maskstore_pd): Likewise.
1361         (_mm256_maskload_ps): Likewise.
1362         (_mm256_maskstore_ps): Likewise.
1363
1364         * config/i386/i386-builtin-types.def: Updated.
1365         (ix86_expand_special_args_builtin): Likewise.
1366
1367         * config/i386/i386.c (bdesc_special_args): Update
1368         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
1369         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
1370         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
1371         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
1372
1373         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
1374         Use <avxpermvecmode> on mask register.
1375         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
1376
1377 2011-01-17  Olivier Hainque  <hainque@adacore.com>
1378             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1379             Eric Botcazou  <ebotcazou@adacore.com>
1380
1381         PR target/46655
1382         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
1383         if <= USHRT_MAX in 32-bit mode.
1384
1385 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1386
1387         * doc/install.texi (Configuration, Specific): Wrap long
1388         lines in examples.  Allow line wrapping in long options
1389         and URLs where beneficial for PDF output.
1390
1391 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
1392
1393         * config/mips/mips.c (mips_classify_symbol): Don't return
1394         SYMBOL_PC_RELATIVE for nonlocal labels.
1395
1396 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
1397
1398         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
1399
1400 2011-01-15  Jan Hubicka  <jh@suse.cz>
1401
1402         PR tree-optimization/47276
1403         * ipa.c (function_and_variable_visibility): Do not try to mark alias
1404         declarations as needed.
1405
1406 2011-01-15  Martin Jambor  <mjambor@suse.cz>
1407
1408         * common.opt (fdevirtualize): New flag.
1409         * doc/invoke.texi (Option Summary): Document it.
1410         * opts.c (default_options_table): Add devirtualize flag.
1411         * ipa-prop.c (detect_type_change): Return immediately if
1412         devirtualize flag is not set.
1413         (detect_type_change_ssa): Likewise.
1414         (compute_known_type_jump_func): Likewise.
1415         (ipa_analyze_virtual_call_uses): Likewise.
1416
1417 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1418
1419         PR tree-optimization/45934
1420         PR tree-optimization/46302
1421         * ipa-prop.c (type_change_info): New type.
1422         (stmt_may_be_vtbl_ptr_store): New function.
1423         (check_stmt_for_type_change): Likewise.
1424         (detect_type_change): Likewise.
1425         (detect_type_change_ssa): Likewise.
1426         (compute_complex_assign_jump_func): Check for dynamic type change.
1427         (compute_complex_ancestor_jump_func): Likewise.
1428         (compute_known_type_jump_func): Likewise.
1429         (compute_scalar_jump_functions): Likewise.
1430         (ipa_analyze_virtual_call_uses): Likewise.
1431         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
1432
1433 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1434
1435         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
1436         * config/i386/i386.opt (msse5): New Alias.
1437
1438 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1439
1440         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1441         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1442         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1443         * config/sparc/sparc.h (CC1_SPEC): Likewise.
1444
1445 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1446
1447         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
1448         -mcpu options.
1449         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1450         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1451         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
1452         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
1453         Likewise.
1454         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
1455
1456 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1457
1458         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
1459         -fvec-eabi.
1460
1461 2011-01-14  Mike Stump  <mikestump@comcast.net>
1462
1463         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
1464         * config/fr30/fr30.md: Likweise
1465         (movsi_push): Likewise.
1466         (movsi_pop): Likewise.
1467         (enter_func): Likewise.
1468         * config/moxie/moxie.md (movsi_push): Likewise.
1469         (movsi_pop): Likewise.
1470
1471 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1472
1473         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
1474         %{no_archive} %{exact_version}.
1475         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
1476         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
1477         %{no_archive} %{exact_version}.
1478         * config/mips/openbsd.h (LINK_SPEC): Likewise.
1479         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
1480         * config/mips/vxworks.h: Likewise.
1481
1482 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1483
1484         * config/microblaze/microblaze.h (ASM_SPEC): Remove
1485         %{microblaze1}.
1486
1487 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1488
1489         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
1490         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
1491
1492 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1493
1494         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
1495         -nodefaultlib.
1496
1497 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1498
1499         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
1500         for mcpu not cpu.
1501         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
1502         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
1503         not cpu.
1504         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
1505         Don't handle -shlib.
1506
1507 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1508
1509         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
1510         (CC1_SPEC): Don't handle -profile.
1511
1512 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1513
1514         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
1515         * config/mips/mips.h (CC1_SPEC): Likewise.
1516
1517 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1518
1519         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
1520         * config/mips/mips.h (CC1_SPEC): Likewise.
1521
1522 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1523
1524         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
1525         * config/m32r/linux.h (LINK_SPEC): Likewise.
1526         * config/mips/linux.h (LINK_SPEC): Likewise.
1527         * config/mips/linux64.h (LINK_SPEC): Likewise.
1528         * config/sparc/linux.h (LINK_SPEC): Likewise.
1529         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1530         LINK_SPEC): Likewise.
1531         * config/xtensa/linux.h (LINK_SPEC): Likewise.
1532
1533 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1534
1535         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
1536         %{version:-v}.
1537         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
1538
1539 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1540
1541         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
1542         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
1543
1544 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1545
1546         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
1547
1548 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1549
1550         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
1551         supports -Bstatic/-Bdynamic.
1552         * configure: Regenerate.
1553
1554 2011-01-14  Jan Hubicka  <jh@suse.cz>
1555         Jack Howarth <howarth@bromo.med.uc.edu>
1556
1557         PR target/46037
1558         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
1559         when checking debug_info_level. Test write_symbols instead of
1560         debug_hooks->var_location when setting flag_var_tracking_uninit.
1561
1562 2011-01-14  Richard Guenther  <rguenther@suse.de>
1563
1564         PR tree-optimization/47179
1565         * target.def (ref_may_alias_errno): New target hook.
1566         * targhooks.h (default_ref_may_alias_errno): Declare.
1567         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
1568         (default_ref_may_alias_errno): New function.
1569         * target.h (struct ao_ref_s): Declare.
1570         * tree-ssa-alias.c: Include target.h.
1571         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
1572         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
1573         (targhooks.o): Likewise.
1574         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
1575         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
1576
1577 2011-01-14  Richard Guenther  <rguenther@suse.de>
1578
1579         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
1580
1581 2011-01-14  Richard Guenther  <rguenther@suse.de>
1582
1583         PR tree-optimization/47280
1584         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
1585         return CFG changes.
1586         (tree_ssa_forward_propagate_single_use_vars): Deal with
1587         CFG changes from associate_plusminus.
1588
1589 2011-01-14  Richard Guenther  <rguenther@suse.de>
1590
1591         PR middle-end/47281
1592         Revert
1593         2011-01-11  Richard Guenther  <rguenther@suse.de>
1594
1595         PR tree-optimization/46076
1596         * tree-ssa.c (useless_type_conversion_p): Conversions from
1597         unprototyped to empty argument list function types are useless.
1598
1599 2011-01-14  Richard Guenther  <rguenther@suse.de>
1600
1601         PR tree-optimization/47286
1602         * tree-ssa-structalias.c (new_var_info): Register variables are global.
1603
1604 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1605
1606         PR middle-end/46823
1607         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
1608
1609 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
1610
1611         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
1612         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
1613         * config/xtensa/xtensa.c (xtensa_libcall_value,
1614         xtensa_function_value_regno_p): New functions.
1615         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
1616
1617 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
1618
1619         PR c++/47213
1620         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
1621         PE specific hook.
1622         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
1623         New function prototype.
1624         * config/i386/winnt.c (i386_pe_assemble_visibility):
1625         Warn only if attribute was specified by user.
1626
1627 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
1628
1629         PR target/47251
1630         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
1631         floating point.
1632         (floatunsdidf2_fcfidu): Ditto.
1633
1634 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1635
1636         * config/s390/s390.c (print_operand_address): Replace 'error' with
1637         'output_operand_lossage'.
1638         (print_operand): Likewise.
1639
1640 2011-01-13  Jeff Law  <law@redhat.com>
1641
1642         PR rtl-optimization/39077
1643         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
1644         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
1645         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
1646         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
1647         * gcse.c (prune_insertions_deletions): New function.
1648         (compute_pre_data): Use it.
1649
1650 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
1651
1652         PR debug/PR46973
1653         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
1654         static function.
1655         (prune_unused_types_mark): Use it.
1656
1657 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
1658
1659         PR rtl-optimization/45352
1660         * sel-sched.c: Update copyright years.
1661         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
1662         in the advancing loop when we have issued issue_rate insns.
1663
1664 2011-01-12  Richard Henderson  <rth@redhat.com>
1665
1666         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
1667         (TARGET_MD_ASM_CLOBBERS): New.
1668
1669         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
1670         (TARGET_DELEGITIMIZE_ADDRESS): New.
1671
1672         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
1673         (clzsi2, *bsch): New patterns.
1674
1675         * config/mn10300/mn10300.md (INT): New mode iterator.
1676         (*mov<INT>_clr): New pattern, and peep2 to generate it.
1677
1678         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
1679         flag_split_wide_types.
1680
1681         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
1682         (mn10300_trampoline_init): Rewrite without a template, an immediate
1683         load and a direct branch.
1684         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
1685
1686 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
1687
1688         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
1689         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
1690         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
1691         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
1692
1693 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
1694
1695         PR debug/47209
1696         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
1697         of type.
1698
1699 2011-01-12  Jan Hubicka  <jh@suse.cz>
1700
1701         PR driver/47244
1702         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
1703         (PLUGIN_COND_CLOSE): New macro.
1704         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
1705
1706 2011-01-12  Richard Guenther  <rguenther@suse.de>
1707
1708         PR lto/47259
1709         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
1710         register variables in a MEM_REF.
1711
1712 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
1713
1714         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
1715         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
1716         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
1717         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
1718         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
1719         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
1720         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
1721         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
1722         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
1723         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
1724         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
1725         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
1726         * config/gnu-user.h: New.  Copied from linux.h.
1727         (LINUX_TARGET_STARTFILE_SPEC): Rename to
1728         GNU_USER_TARGET_STARTFILE_SPEC.
1729         (LINUX_TARGET_ENDFILE_SPEC): Rename to
1730         GNU_USER_TARGET_ENDFILE_SPEC.
1731         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
1732         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
1733         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
1734         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
1735         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1736         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1737         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
1738         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
1739         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
1740         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
1741         * config/arm/linux-eabi.h (CC1_SPEC): Use
1742         GNU_USER_TARGET_CC1_SPEC.
1743         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
1744         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
1745         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
1746         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
1747         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
1748         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
1749         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
1750         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
1751
1752 2011-01-12  Richard Guenther  <rguenther@suse.de>
1753
1754         PR other/46946
1755         * doc/invoke.texi (ffast-math): Document it is turned on
1756         with -Ofast.
1757
1758 2011-01-12  Jan Hubicka  <jh@suse.cz>
1759
1760         PR tree-optimization/47233
1761         * opts.c (common_handle_option): Disable ipa-reference with profile
1762         feedback.
1763
1764 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
1765
1766         * c-parser.c (c_parser_objc_at_property_declaration): Improved
1767         error message.
1768
1769 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
1770
1771         * c-parser.c (c_lex_one_token): Updated and reindented some
1772         comments.  No changes in code.
1773
1774 2011-01-11  Ian Lance Taylor  <iant@google.com>
1775
1776         * godump.c (go_output_var): Don't output the variable if there is
1777         already a type with the same name.
1778
1779 2011-01-11  Ian Lance Taylor  <iant@google.com>
1780
1781         * godump.c (go_format_type): Don't generate float80.
1782
1783 2011-01-11  Richard Henderson  <rth@redhat.com>
1784
1785         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
1786         declaration.  Rewrite for both speed and size.
1787         (mn10300_address_cost_1): Remove.
1788         (mn10300_register_move_cost): New.
1789         (mn10300_memory_move_cost): New.
1790         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
1791         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
1792         extensions, shifts, BSWAP, CLZ.
1793         (mn10300_wide_const_load_uses_clr): Remove.
1794         (TARGET_REGISTER_MOVE_COST): New.
1795         (TARGET_MEMORY_MOVE_COST): New.
1796         * config/mn10300/mn10300-protos.h: Update.
1797         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
1798
1799         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
1800         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
1801         * config/mn10300/mn10300-protos.h: Update.
1802         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
1803         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
1804         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
1805         (*test_int_bitfield, *test_byte_bitfield): Remove.
1806         (*bit_test, *subreg_bit_test): Remove.
1807         * config/mn10300/predicates.md (const_8bit_operand): Remove.
1808
1809         * config/mn10300/constraints.md ("c"): Rename from "A".
1810         ("A", "D"): New constraint letters.
1811         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
1812         (fmssf4, fnmasf4, fnmssf4): Likewise.
1813
1814         * config/mn10300/mn10300.md (isa): New attribute.
1815         (enabled): New attribute.
1816
1817         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
1818         (abssf2, negsf2): Define only for hardware fp.
1819         (sqrtsf2): Reformat.
1820         (addsf3, subsf3, mulsf3): Merge expander and insn.
1821
1822         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
1823         (DEBUGGER_AUTO_OFFSET): Remove.
1824         (DEBUGGER_ARG_OFFSET): Remove.
1825
1826         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
1827         Emit register stores with the same offsets as the hardware.
1828         (mn10300_store_multiple_operation): Don't check that the register
1829         save offsets are monotonic.
1830         * config/mn10300/mn10300-protos.h: Update.
1831
1832         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
1833
1834         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
1835         in terms of the value on the stack, not the MDR register.
1836
1837 2011-01-11  Jan Hubicka  <jh@suse.cz>
1838
1839         PR lto/45721
1840         PR lto/45375
1841         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
1842         (symbol_alias_set_destroy, symbol_alias_set_contains,
1843         propagate_aliases_backward): Declare.
1844         * lto-streamer-out.c (struct sets): New sturcture.
1845         (trivally_defined_alias): New function.
1846         (output_alias_pair_p): Rewrite.
1847         (output_unreferenced_globals): Fix output of alias pairs.
1848         (produce_symtab): Likewise.
1849         * ipa.c (function_and_variable_visibility): Set weak alias destination
1850         as needed in lto.
1851         * varasm.c (symbol_alias_set_t): Remove.
1852         (symbol_alias_set_destroy): Export.
1853         (propagate_aliases_forward, propagate_aliases_backward): New functions
1854         based on ...
1855         (compute_visible_aliases): ... this one; remove.
1856         (trivially_visible_alias): New
1857         (trivially_defined_alias): New.
1858         (remove_unreachable_alias_pairs): Rewrite.
1859         (finish_aliases_1): Reorganize code checking if alias is defined.
1860         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
1861         in LTO mode.
1862
1863 2011-01-11  Richard Guenther  <rguenther@suse.de>
1864
1865         PR tree-optimization/46076
1866         * tree-ssa.c (useless_type_conversion_p): Conversions from
1867         unprototyped to empty argument list function types are useless.
1868
1869 2011-01-11  Richard Guenther  <rguenther@suse.de>
1870
1871         PR middle-end/45235
1872         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
1873         volatile MEMs as MEM_READONLY_P.
1874
1875 2011-01-11  Richard Guenther  <rguenther@suse.de>
1876
1877         PR tree-optimization/47239
1878         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
1879
1880 2011-01-11  Jeff Law  <law@redhat.com>
1881
1882         PR tree-optimization/47086
1883         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
1884         IVs from statements that might throw.
1885
1886 2011-01-10  Jan Hubicka  <jh@suse.cz>
1887
1888         PR lto/45375
1889         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
1890
1891 2011-01-10  Jan Hubicka  <jh@suse.cz>
1892
1893         PR lto/45375
1894         * profile.c (read_profile_edge_counts): Ignore profile inconistency
1895         when correcting profile.
1896
1897 2011-01-10  Jan Hubicka  <jh@suse.cz>
1898
1899         PR lto/46083
1900         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
1901         DECL_FINI_PRIORITY.
1902         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
1903         Restore DECL_FINI_PRIORITY.
1904
1905 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1906
1907         * doc/gimple.texi: Fix quoting of multi-word return values in
1908         @deftypefn statements.  Ensure presence of return value.  Wrap
1909         overlong @deftypefn lines.
1910         (is_gimple_operand, is_gimple_min_invariant_address): Remove
1911         descriptions of removed functions.
1912         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
1913         of multi-word return value in @deftypefn statement.
1914
1915 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1916
1917         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
1918         (Conditional Expressions, Logical Operators)
1919         (Statement and operand traversals): Do not indent smallexample
1920         code.  Fix duplicate function argument in example.
1921
1922 2011-01-10  Jeff Law  <law@redhat.com>
1923
1924         PR tree-optimization/47141
1925         * ipa-split.c (split_function): Handle case where we are
1926         returning a value and the return block has a virtual operand phi.
1927
1928 2011-01-10  Jan Hubicka  <jh@suse.cz>
1929
1930         PR tree-optimization/47234
1931         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
1932         (pass_feedback_split_functions): Declare.
1933         * passes.c (init_optimization_passes): Add ipa-split as subpass of
1934         tree-profile.
1935         * ipa-split.c (gate_split_functions): Update comments; disable
1936         split-functions for profile_arc_flag and branch_probabilities.
1937         (gate_feedback_split_functions): New function.
1938         (execute_feedback_split_functions): New function.
1939         (pass_feedback_split_functions): New global var.
1940
1941 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1942
1943         PR lto/46760
1944         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
1945         calling gimple_call_set_cannot_inline.
1946
1947 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
1948
1949         * config/darwin-sections.def: Remove unused section.
1950
1951 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
1952
1953         PR c++/47218
1954         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
1955
1956 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
1957
1958         PR objc/47232
1959         * c-parser.c (c_parser_declaration_or_fndef): Improved
1960         error message.
1961
1962 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
1963
1964         * config/i386/winnt.c (i386_pe_start_function): Make sure
1965         to switch back to function's section.
1966
1967 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
1968
1969         PR gcc/46902
1970         PR testsuite/46912
1971         * plugin.c: Move include of dlfcn.h from here...
1972         * system.h: ... to here.
1973
1974 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1975
1976         * doc/cpp.texi (C++ Named Operators): Fix markup for header
1977         file name.
1978         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
1979         two extra empty pages in PDF output.
1980
1981 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
1982
1983         PR objc/47078
1984         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
1985         for error recovery purposes behave as if it was not specified so
1986         that the default type is usd.
1987
1988 2011-01-07  Jan Hubicka  <jh@suse.cz>
1989
1990         PR tree-optmization/46469
1991         * ipa.c (function_and_variable_visibility): Clear needed flags on
1992         nodes with external decls; handle weakrefs merging correctly.
1993
1994 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
1995
1996         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
1997         not false.
1998
1999 2011-01-07  Jan Hubicka  <jh@suse.cz>
2000
2001         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2002         and no longer claim that gold is required for linker plugin.
2003         * configure: Regenerate.
2004         * gcc.c (PLUGIN_COND): New macro.
2005         (LINK_COMMAND_SPEC): Use it.
2006         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2007         * config.in (HAVE_LTO_PLUGIN): New.
2008         * configure.ac (--with-lto-plugin): New parameter; autodetect
2009         HAVE_LTO_PLUGIN.
2010
2011 2011-01-07  Jan Hubicka  <jh@suse.cz>
2012
2013         PR tree-optimization/46367
2014         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2015         when we can update original.
2016         (cgraph_mark_inline_edge): Sanity check.
2017         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2018
2019 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2020
2021         * config/spu/spu.h (ASM_COMMENT_START): Define.
2022
2023 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2024
2025         PR driver/42445
2026         * gcc.c (%>S): New.
2027         (SWITCH_KEEP_FOR_GCC): Likewise.
2028         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2029         (do_spec_1): Handle "%>".
2030
2031         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2032
2033 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2034
2035         PR target/47201
2036         * config/i386/i386.c (ix86_delegitimize_address): If
2037         simplify_gen_subreg fails, return orig_x.
2038
2039         PR bootstrap/47187
2040         * value-prof.c (gimple_stringop_fixed_value): Handle
2041         lhs of the call properly.
2042
2043 2011-01-07  Jan Hubicka  <jh@suse.cz>
2044
2045         PR lto/45375
2046         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2047
2048 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2049
2050         * target.def (function_switched_text_sections): New hook.
2051         * doc/tm.texi: Regenerated.
2052         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2053         * final.c (default_function_switched_text_sections): New.
2054         (final_scan_insn): Call function_switched_text_sections when a
2055         mid-function section change occurs.
2056         * output.h (default_function_switched_text_sections): Declare.
2057         * config/darwin-protos.h (darwin_function_switched_text_sections):
2058         Likewise.
2059         * config/darwin.c (darwin_function_switched_text_sections): New.
2060         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2061
2062 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2063
2064         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2065         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2066         the secondary code fragment when outputting for DWARF == 2.
2067
2068 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2069
2070         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2071         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2072         Remove.
2073         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2074         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2075
2076 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2077
2078         PR debug/46704
2079         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2080         when it is not empty.
2081
2082 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2083
2084         Bobcat Enablement
2085         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2086         (case ${target}): Add btver1.
2087         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2088         -march=native recognize btver1 processors.
2089         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2090         btver1 def_and_undef
2091         * config/i386/i386.c (struct processor_costs btver1_cost): New
2092         btver1 cost table.
2093         (m_BTVER1): New definition.
2094         (m_AMD_MULTIPLE): Includes m_BTVER1.
2095         (initial_ix86_tune_features): Add btver1 tune.
2096         (processor_target_table): Add btver1 entry.
2097         (static const char *const cpu_names): Add btver1 entry.
2098         (software_prefetching_beneficial_p): Add btver1.
2099         (ix86_option_override_internal): Add btver1 instruction sets.
2100         (ix86_issue_rate): Add btver1.
2101         (ix86_adjust_cost): Add btver1.
2102         * config/i386/i386.h (TARGET_BTVER1): New definition.
2103         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
2104         (enum processor_type): Add PROCESSOR_BTVER1.
2105         * config/i386/i386.md (define_attr "cpu"): Add btver1.
2106
2107 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2108
2109         PR target/43309
2110         * config/i386/i386.c (legitimize_tls_address)
2111         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
2112         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
2113         (tls_initial_exec_64_sun): New pattern.
2114
2115 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2116
2117         * doc/invoke.texi (Overall Options): Improve wording and markup
2118         of the description of -wrapper.
2119
2120 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2121
2122         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
2123         rdynamic, threads): New Driver options.
2124
2125 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2126
2127         PR target/38118
2128         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
2129         if coming from .tdata.
2130         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
2131
2132 2011-01-06  Jan Hubicka  <jh@suse.cz>
2133
2134         PR lto/47188
2135         * collect2.c (main): Do not enable LTOmode when plugin is active.
2136
2137 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2138
2139         PR other/45915
2140         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
2141         --version output if supported.
2142         * configure: Regenerate.
2143
2144 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2145
2146         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
2147         Driver options.
2148
2149 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
2150
2151         PR c/47150
2152         * c-convert.c (convert): When converting a complex expression
2153         other than COMPLEX_EXPR to a different complex type, ensure
2154         c_save_expr is called instead of save_expr, unless in_late_binary_op.
2155         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
2156         when converting COMPLEX_TYPE.
2157
2158 2011-01-06  Ira Rosen  <irar@il.ibm.com>
2159
2160         PR tree-optimization/47139
2161         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
2162         only the last reduction value is used outside the loop.  Update
2163         documentation.
2164
2165 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
2166
2167         * config/rtems.opt: New.
2168         * config.gcc (*-*-rtems*): Use rtems.opt.
2169
2170 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
2171
2172         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
2173         processors do not support 3DNow instructions.
2174
2175 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2176
2177         * config/spu/spu.c (spu_option_override): Set parameter
2178         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
2179
2180 2011-01-05  Jan Hubicka  <jh@suse.cz>
2181
2182         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
2183         at the command line.
2184
2185 2011-01-05  Martin Jambor  <mjambor@suse.cz>
2186
2187         PR lto/47162
2188         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
2189         deltas on streamed outgoing edges.
2190         (output_node_opt_summary): Output info for outgoing edges only when
2191         the node is in new parameter set.
2192         (output_cgraph_opt_summary): New parameter set, passed to the two
2193         aforementioned functions.  Update its forward declaration and its
2194         callee too.
2195
2196 2011-01-05  Tom Tromey  <tromey@redhat.com>
2197
2198         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
2199         operator to c_finish_omp_atomic.
2200         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
2201         (build_unary_op): Update.
2202         (build_modify_expr): Update.
2203         (build_asm_expr): Update.
2204
2205 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2206
2207         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
2208         newly inserted insns.
2209         (pad_bb): Likewise.
2210         (spu_emit_branch_hint): Likewise.
2211         (insert_hbrp_for_ilb_runout): Likewise.
2212         (spu_machine_dependent_reorg): Call df_finish_pass after
2213         schedule_insns returns.
2214
2215 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2216
2217         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
2218
2219 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2220
2221         PR tree-optimization/47005
2222         * tree-sra.c (struct access): Add 'non_addressable' bit.
2223         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
2224         (decide_one_param_reduction): Return 0 if the parameter is passed by
2225         reference and one of the accesses in the group is non_addressable.
2226
2227 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2228
2229         PR tree-optimization/47056
2230         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
2231         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
2232         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
2233
2234 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2235
2236         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
2237         initializer.  Skip view conversions from aggregate types.
2238
2239 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
2240
2241         PR bootstrap/47055
2242         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
2243
2244 2011-01-04  Philipp Thomas <pth@suse.de>
2245
2246         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
2247         obvious typo.
2248
2249 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2250
2251         * function.c (thread_prologue_and_epilogue_insns): Do not crash
2252         on empty epilogue sequences.
2253
2254 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
2255
2256         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
2257         non-static): New Driver options.
2258
2259 2011-01-04  Jie Zhang  <jie@codesourcery.com>
2260
2261         PR driver/47137
2262         * gcc.c (default_compilers[]): Set combinable field to 0
2263         for all assembly languages.
2264
2265 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
2266
2267         * config/mips/loongson3a.md: New file.
2268         * config/mips/mips.md: Include loongson3a.md.
2269         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
2270         TUNE_LOONGSON_3A.
2271
2272 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
2273
2274         PR middle-end/47017
2275         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
2276         instead of convert_memory_address_addr_space on the base expression.
2277
2278 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2279
2280         * config/spu/spu.c (spu_option_override): Update error text
2281         for bad -march= / -mtune= values.
2282
2283 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2284
2285         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
2286         if branch-hint optimization will be performed.
2287
2288 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2289
2290         PR tree-optimization/47148
2291         * ipa-split.c (split_function): Convert arguments to
2292         DECL_ARG_TYPE if possible.
2293
2294         PR tree-optimization/47155
2295         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
2296         when computing uns.
2297
2298         PR rtl-optimization/47157
2299         * combine.c (try_combine): If undobuf.other_insn becomes
2300         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
2301         and set *new_direct_jump_p too.
2302
2303 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
2304
2305         PR tree-optimization/47021
2306         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
2307
2308 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2309
2310         * gcc.c (process_command): Update copyright notice dates.
2311         * gcov.c (print_version): Likewise.
2312         * gcov-dump.c (print_version): Likewise.
2313         * mips-tfile.c (main): Likewise.
2314         * mips-tdump.c (main): Likewise.
2315
2316 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2317
2318         PR tree-optimization/46801
2319         * tree-sra.c (type_internals_preclude_sra_p): Check whether
2320         aggregate fields start at byte boundary instead of the bit-field flag.
2321
2322 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
2323
2324         PR driver/47137
2325         * gcc.c (main): Revert revision 168407.
2326
2327 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2328
2329         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
2330
2331 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2332
2333         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
2334         vector optab to expand vector/scalar shift, update gimple to vector.
2335
2336 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2337
2338         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
2339         a thunk.
2340
2341 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2342
2343         PR tree-optimization/46984
2344         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
2345         HOST_WIDE_INT.
2346         (cgraph_create_indirect_edge): Fixed line length.
2347         (cgraph_indirect_call_info): Declare.
2348         (cgraph_make_edge_direct) Update declaration.
2349         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
2350         (cgraph_create_indirect_edge): Use it.
2351         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
2352         callees.
2353         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
2354         the new thunk_delta representation.
2355         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
2356         HOST_WIDE_INT.
2357         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
2358         (ipa_read_indirect_edge_info): Likewise.
2359         * lto-cgraph.c (output_edge_opt_summary): New function.
2360         (output_node_opt_summary): Call it on all outgoing edges.
2361         (input_edge_opt_summary): New function.
2362         (input_node_opt_summary): Call it on all outgoing edges.
2363
2364 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
2365
2366         PR driver/47137
2367         * gcc.c (main): Don't check have_o when settting combine_inputs.
2368
2369 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2370
2371         * regrename.c: Add general comment describing the pass.
2372         (struct du_head): Remove 'length' field.
2373         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
2374         (regrename_optimize): Do not sort chains.  Rework comments, add others.
2375         Force renaming to the preferred class (if any) in the first pass and do
2376         not consider registers that belong to it in the second pass.
2377         (create_new_chain): Do not set 'length' field.
2378         (scan_rtx_reg): Likewise.
2379
2380 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
2381
2382         PR tree-optimization/47140
2383         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
2384         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
2385         to bit_value_binop.
2386
2387         PR rtl-optimization/47028
2388         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
2389         parm_birth_insn instead of at the beginning of first bb.
2390
2391 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
2392
2393         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
2394         Remove the word "see" before "@pxref".
2395         * doc/rtl.texi: Remove the word "see" before "@pxref".
2396
2397 2011-01-01  Jan Hubicka  <jh@suse.cz>
2398
2399         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
2400         memory.
2401
2402 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
2403
2404         PR target/38662
2405         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
2406
2407 \f
2408 Copyright (C) 2011 Free Software Foundation, Inc.
2409
2410 Copying and distribution of this file, with or without modification,
2411 are permitted in any medium without royalty provided the copyright
2412 notice and this notice are preserved.