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