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* config/avr/avr.md (SREG_ADDR): Remove constant definition.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2
3         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4         (SP_ADDR): Ditto.
5         (RAMPZ_ADDR): Ditto.
6         * config/avr/avr.c (avr_addr_t): New typedef.
7         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
8         (avr_init_expanders): Initialize it.
9         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
10         SREG_ADDR.
11         (expand_epilogue): Ditto.
12         (avr_print_operand): Ditto.
13         (avr_file_start): Ditto.
14         (avr_emit_movmemhi): Ditto.
15
16 2012-02-08  Richard Guenther  <rguenther@suse.de>
17
18         PR tree-optimization/46886
19         * tree-flow.h (do_while_loop_p): Declare.
20         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
21         * tree-parloops.c (parallelize_loops): Only parallelize do-while
22         loops.
23
24 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
25
26         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
27         always succeed for integers larger than a native word.
28
29 2012-02-08  Richard Guenther  <rguenther@suse.de>
30
31         PR rtl-optimization/52170
32         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
33         properly handle integer vector modes.
34
35 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
36
37         PR gcov-profile/52150
38         * coverage.c: Include target.h.
39         (build_var): Call targetm.strip_name_encoding on the assembler name.
40         Change one _ into . or $ if the target allows it.
41         * Makefile.in (coverage.o): Depend on $(TARGET_H).
42
43         PR rtl-optimization/52139
44         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
45         is a BARRIER after emit_insn_after_noloc, move BB_END
46         to the last non-BARRIER insn before it.
47
48 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
49
50         PR middle-end/24306
51         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
52         (mips_gimplify_va_arg_expr): Call it instead of
53         std_gimplify_va_arg_expr.
54
55 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
56
57         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
58         message for -mno-pointers-to-nested-function.
59
60 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
61
62         PR middle-end/51994
63         * expr.c (get_inner_reference): If there is an offset, add a negative
64         bit position to it (if any).
65
66 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
67
68         PR rtl-optimization/52060
69         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
70         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
71         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
72         and/or i0src_copy2 when needed.
73
74 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
75
76         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
77         or LTOPLUGINSONAME if have_c.
78
79         * config/freebsd-spec.h: Add comment about what macros can be defined
80         in this header.
81         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
82         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
83         here instead.
84
85 2012-02-07  Richard Guenther  <rguenther@suse.de>
86
87         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
88         newline in -alias dumps.
89
90 2012-02-07  Kai Tietz  <ktietz@redhat.com>
91             Dave Korn  <dave.korn.cygwin@gmail.com>
92
93         PR target/40068
94         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
95         Take care that typinfo gets dllexport-attribute.
96
97 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
98
99         PR middle-end/52074
100         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
101         if modifier < EXPAND_SUM call force_operand on the result.
102
103 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
104
105         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
106         adding __forwarder_dst__ prefix if a forwarder_section attribute is
107         present.
108         (epiphany_function_type): Replace types for specific interrupts with
109         EPIPHANY_FUNCTION_INTERRUPT.
110         (EPIPHANY_INTERRUPT_P): Update.
111         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
112         New static function.
113         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
114         <disinterrupt>: Affects type identity.
115         (epiphany_handle_interrupt_attribute): Handle variable number of
116         arguments.
117         (epiphany_compute_function_type): Update for new
118         epiphany_function_type definition.
119         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
120         handlers with a longcall forwarder.
121         (epiphany_start_function): Handle multiple interrupt arguments and/or
122         forwarder_section attribute.
123
124         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
125
126 2012-02-07  Alan Modra  <amodra@gmail.com>
127
128         PR target/52107
129         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
130         subregs of TFmode.
131
132 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
133
134         PR tree-optimization/50969
135         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
136         use vec_perm rather than vector_stmt.
137         (vect_model_load_cost): Likewise.
138         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
139         vec_perm to be the same as other vector statements.
140         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
141         cost of vec_perm for TARGET_VSX.
142
143 2012-02-06  Richard Guenther  <rguenther@suse.de>
144
145         PR tree-optimization/52115
146         * tree-sra.c (access_has_replacements_p): New function.
147         (sra_modify_assign): Use it to decide whether a use is uninitialized.
148
149 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
150
151         PR middle-end/52047
152         * trans-mem.c (expand_call_tm): Add an assertion.
153         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
154         functions.
155
156 2012-02-06  Richard Guenther  <rguenther@suse.de>
157
158         PR tree-optimization/50955
159         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
160         raise cost of expressions that replace an address with an
161         expression based on a different pointer.
162
163 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
164
165         PR target/52129
166         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
167         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
168
169 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
170
171         PR c++/48680
172         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
173         -Weffc++ and specify guidelines come from second edition.
174
175 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
176
177         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
178         (sibcall_value_multiple_internal, call_split, call_internal_direct)
179         (call_direct_split, call_value_split, call_value_internal_direct)
180         (call_value_direct_split, call_value_multiple_split): Use jal and
181         jal_macro attributes.
182
183 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
184
185         * reload1.c (reload_regs_reach_end_p): Replace with...
186         (reload_reg_rtx_reaches_end_p): ...this function.
187         (new_spill_reg_store): Update commentary.
188         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
189         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
190         before setting new_spill_reg_store.
191         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
192         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
193         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
194         for non-spill reload registers.
195
196 2012-02-05  Ira Rosen  <irar@il.ibm.com>
197
198         PR tree-optimization/52091
199         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
200         (vect_is_simple_use_1): Likewise.
201         * tree-vect-loop.c (vectorizable_reduction): Update calls
202         to vect_is_simple_use_1 and vect_is_simple_use.
203         (vectorizable_live_operation): Likewise.
204         * tree-vect-patterns.c (widened_name_p,
205         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
206         Likewise.
207         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
208         vectorizable_call, vectorizable_conversion,
209         vectorizable_assignment, vectorizable_shift,
210         vectorizable_operation, vectorizable_store, vectorizable_load):
211         Likewise.
212         (vect_is_simple_cond): Add an argument, pass it to
213         vect_is_simple_use_1.
214         (vectorizable_condition): Update calls to vect_is_simple_cond,
215         vect_is_simple_use.
216         (vect_is_simple_use): Add an argument, the statement in which
217         OPERAND is used.  Check that if OPERAND's def stmt is a double
218         reduction phi node, the use is a phi node too.
219         (vect_is_simple_use_1): Add an argument, pass it to
220         vect_is_simple_use.
221         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
222         to vect_is_simple_use.
223
224 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
225
226         PR rtl-optimization/52095
227         * modulo-sched.c (dump_insn_locator): New function.
228         (loop_canon_p, sms_schedule): Use it.
229
230         PR rtl-optimization/52113
231         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
232         even for decomposable shift/zext insns.
233
234 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
235             Zdenek Dvorak  <ook@ucw.cz>
236
237         PR rtl-optimization/52092
238         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
239         on get_iv_value result.
240
241 2012-02-02  Andrew Pinski  <apinski@cavium.com>
242
243         PR middle-end/47982
244         PR middle-end/43967
245         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
246
247 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
248
249         PR middle-end/48071
250         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
251
252 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
253
254         PR rtl-optimization/49800
255         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
256         (sched_finish): Call regstat_free_n_sets_and_refs.
257
258 2012-02-02  Jia Liu  <proljc@gmail.com>
259
260         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
261         than operand 2.
262
263 2012-02-02 Jan Hubicka  <jh@suse.cz>
264            Tom de Vries  <tom@codesourcery.com>
265
266         PR middle-end/51998
267         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
268         * varpool.c (varpool_analyze_pending_decls): Likewise.
269
270 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
271             Jayant R Sonar <jayant.sonar@kpitcummins.com>
272
273         * config.gcc: Add cr16-* support.
274
275         * doc/extend.texi: Document cr16 extensions.
276         * doc/install.texi: Document cr16 install.
277         * doc/invoke.texi: Document cr16 options.
278         * doc/md.texi: Document cr16 constraints.
279
280         * common/config/cr16/cr16-common.c: New file.
281         * config/cr16/cr16.c: New file.
282         * config/cr16/cr16.h: New file.
283         * config/cr16/cr16.md: New file.
284         * config/cr16/cr16.opt: New file.
285         * config/cr16/cr16-protos.h: New file.
286         * config/cr16/predicates.md: New file.
287         * config/cr16/constraints.md: New file.
288         * config/cr16/t-cr16: New file.
289
290 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
291
292         PR target/52086
293         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
294         that operands[2] is either immediate, or q_regs_operand.
295
296         PR tree-optimization/52073
297         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
298         a pattern stmt for pattern uses, ignore uses outside of the loop.
299
300 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
301
302         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
303         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
304         (OUT_AS1, OUT_AS2): Remove.
305
306 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
307
308         PR rtl-optimization/51374
309         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
310         to cross other volatile_refs_p insns.
311
312 2012-02-01  Richard Guenther  <rguenther@suse.de>
313
314         * doc/invoke.texi (fno-inline): Clarify documentation.
315         (finline-small-functions): Likewise.
316         (finline-functions): Likewise.
317         * common.opt (finline): Adjust comment and documentation.
318         (finline-small-functions): Clarify documentation.
319         (finline-functions): Likewise.
320         (finline-functions-called-once): Likewise.
321
322 2012-02-01  Tristan Gingold  <gingold@adacore.com>
323
324         * c-typeck.c (composite_type): Keep mode for pointers.
325
326 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
327
328         * function.h (regno_reg_rtx): Adjust comment.
329         * reginfo.c (init_reg_modes_target): Only use the previous mode
330         if it fits within one register.  Remove MIPS comment.
331
332 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
333
334         PR bootstrap/52058
335         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
336
337 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
338
339         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
340         to srak instruction.
341
342 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
343
344         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
345         condition.
346
347 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
348
349         PR bootstrap/52041
350         PR bootstrap/52039
351         PR target/51974
352         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
353
354 2012-01-31  Richard Guenther  <rguenther@suse.de>
355
356         PR tree-optimization/51528
357         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
358         assigns.
359
360 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
361
362         PR bootstrap/52041
363         PR bootstrap/52039
364         PR target/51974
365         * ree.c (add_removable_extension): Change def_map argument
366         to unsigned *, store in def_map 1 + offset into *insn_list vector
367         instead of pointers into the vector.
368         (find_removable_extensions): Adjust caller.
369
370 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
371
372         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
373         Transform all "* quoted-c-code" to { c-code }.
374         Remove redundant test for "optimize" in combine patterns.
375         Move (include "avr-dimode.md") to end of file.
376
377 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
378
379         PR target/51835
380         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
381         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
382
383 2012-01-30  Richard Guenther  <rguenther@suse.de>
384
385         PR tree-optimization/52028
386         * tree-loop-distribution.c (ldist_gen): Properly update
387         virtual SSA form.
388
389 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
390
391         PR debug/52027
392         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
393         set_cur_line_info_table if not emitting debug info.
394
395         PR tree-optimization/52046
396         * tree-vect-patterns.c (check_bool_pattern): Give up if
397         a comparison could throw.
398
399         PR debug/52048
400         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
401
402 2012-01-30  Richard Guenther  <rguenther@suse.de>
403
404         PR tree-optimization/52045
405         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
406         SSA form if cfgcleanup did anything.
407
408 2012-01-30  Richard Guenther  <rguenther@suse.de>
409
410         PR tree-optimization/52045
411         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
412         before computing final todo.
413
414 2012-01-30  Richard Guenther  <rguenther@suse.de>
415
416         PR tree-optimization/51528
417         * tree-sra.c (sra_modify_assign): Re-factor in preparation
418         for PR51528 fix.
419
420 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
421
422         * df-problems.c (df_kill_notes): Check that the use refers
423         to the note under examination.
424
425 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
426
427         PR target/51920
428         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
429         parameter and use short-lived pseudos.
430         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
431         (sparc_expand_vector_init): Const-ify local variables and adjust
432         calls to above functions.
433
434 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
435
436         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
437
438 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
439
440         * doc/invoke.texi: Make usage of "compile time" and
441         "run time"/"runtime" consistent throughout the file.
442
443 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
444
445         * config/alpha/alpha.c (alpha_option_overrride): Default to
446         full IEEE compliance mode for Go language.
447
448 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
449
450         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
451         (LINK_SSP_SPEC): Define.
452
453 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
454
455         PR target/51871
456         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
457         stubs.
458
459 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
460
461         * doc/invoke.texi: Correct hyphenation of "floating point",
462         "double precision", and related terminology throughout the file.
463
464 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
465
466         PR target/52006
467         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
468         arm_general_register_operand predicate for operand 2 instead of
469         register_operand.
470
471 2012-01-27  Ian Lance Taylor  <iant@google.com>
472
473         PR go/47656
474         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
475         * builtins.c (expand_builtin_init_trampoline): Add onstack
476         parameter.  Change caller.
477         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
478         * tree.c (build_common_builtin_nodes): Declare
479         __builtin_init_heap_trampoline.
480
481 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
482
483         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
484         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
485         * config/avr/avr.c: Ditto.
486         (avr_regnames): Remove because unused.
487         * config/avr/avr.md (*cpse.ne): New peephole.
488         (*cpse.eq): New peephole from former cpse peepholes.
489
490 2012-01-27  Michael Eager  <eager@eagercon.com>
491
492         * config/microblaze.c (microblaze_emit_compare): Correct
493         test after pcmp instruction.
494
495 2012-01-27  Richard Guenther  <rguenther@suse.de>
496
497         PR tree-optimization/52020
498         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
499
500 2012-01-27  Richard Guenther  <rguenther@suse.de>
501
502         * ipa-pure-const.c (check_stmt): Clobbers do not make a
503         function non-const/pure.
504
505 2012-01-27  Richard Guenther  <rguenther@suse.de>
506
507         PR tree-optimization/50444
508         * tree-sra.c (build_ref_for_offset): Properly adjust the
509         MEM_REF type for unaligned accesses.
510
511 2012-01-27  Richard Guenther  <rguenther@suse.de>
512
513         PR tree-optimization/50444
514         * expr.c (mem_ref_refers_to_non_mem_p): New function.
515         (expand_assignment): Use it.  Properly handle misaligned
516         bases when expanding stores to component references.
517         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
518         refactor that case.
519
520 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
521
522         PR middle-end/51389
523         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
524         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
525         * tree-data-ref.c (find_data_references_in_loop): Make static.
526         (compute_all_dependences): Change return type to bool.  Bail out
527         for too many datarefs in a loop.  Move the hunk resetting the data
528         dependences vector from ...
529         (compute_data_dependences_for_loop): ... here.  Account for
530         compute_all_dependences returning false.
531         (compute_data_dependences_for_bb): Likewise.
532         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
533         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
534
535 2012-01-27  Richard Guenther  <rguenther@suse.de>
536
537         PR middle-end/51959
538         * expr.c (store_field): Use the alias-set of the scratch memory
539         for storing to it.
540
541 2012-01-27  Tom de Vries  <tom@codesourcery.com>
542
543         PR tree-optimization/51990
544         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
545         WITH_SIZE_EXPR.
546         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
547
548 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
549
550         PR debug/52001
551         * var-tracking.c (reverse_op): Don't add any reverse operation
552         if V already has any constant locations.
553
554 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
555
556         * doc/invoke.texi: Correct usage of "command line" (noun)
557         vs "command-line" (adjective) throughout.
558
559 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
560
561         * doc/invoke.texi (Language Independent Options): Move
562         -Wcoverage-mismatch blurb from here....
563         (Warning Options): ...to here.
564
565 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
566
567         * config/rs6000/rs6000.c (rs6000_option_override_internal):
568         Set rs6000_always_hint to false for 476.
569
570 2012-01-27  Matthias Klose  <doko@ubuntu.com>
571
572         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
573           system root.
574         * incpath.c (add_standard_paths): Likewise.
575
576 2012-01-27  Richard Henderson  <rth@redhat.com>
577
578         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
579         * config/m68k/sync.md (atomic_test_and_set): Rename from
580         sync_test_and_setqi and adjust the operands.
581         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
582         and unconditionally enable.
583
584 2012-01-27  Richard Henderson  <rth@redhat.com>
585
586         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
587         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
588         (ldstub): Rename from ldstubqi.
589         (ldstub<I24MODE>): Remove.
590
591 2012-01-27  Richard Henderson  <rth@redhat.com>
592
593         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
594         * c-cppbuiltin.c (cpp_atomic_builtins): Define
595         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
596         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
597         * doc/tm.texi: Rebuild.
598
599 2012-01-27  Richard Henderson  <rth@redhat.com>
600
601         * optabs.c (gen_atomic_test_and_set): Remove default.
602         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
603
604 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
605
606         PR rtl-optimization/51978
607         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
608         (combine_reaching_defs): Likewise.
609         (struct re_info): Remove.
610         (add_removable_extension): Remove x and data arguments,
611         add insn, insn_list and def_map.  Use the arguments directly
612         instead of using struct re_info.
613         (find_removable_extensions): Don't call add_removable_extension
614         through note_stores, instead just call it with single_set
615         result if non-NULL.
616         (find_and_remove_re): Pass curr_cand->expr instead of
617         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
618
619 2012-01-26  Michael Matz  <matz@suse.de>
620
621         PR tree-optimization/46590
622         * cfgexpand.c: Revert last change (r183305).
623         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
624         regs.
625         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
626         checking for emptiness.
627
628 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
629
630         PR middle-end/51895
631         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
632         non-addressable non-BLKmode base correctly.
633
634 2012-01-26  Michael Matz  <matz@suse.de>
635
636         PR tree-optimization/48794
637         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
638         regions referenced from RESX/EH_DISPATCH.
639
640 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
641
642         * config/s390/s390.h: Make BRANCH_COST an option.
643         * config/s390/s390.opt: New option -mbranch-cost.
644
645 2012-01-26  Richard Henderson  <rth@redhat.com>
646
647         Revert 2012-01-24 change:
648         * trans-mem.c (requires_barrier): Do not instrument thread local
649         variables and emit save/restore for them.
650
651 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
652
653         PR middle-end/51986
654         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
655         for pat == 0.
656
657 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
658
659         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
660         ASM_OPERANDS.
661
662 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
663
664         PR target/49868
665         Rename __pgm to __flash.
666         Rename __pgm1 to __flash1.
667         Rename __pgm2 to __flash2.
668         Rename __pgm3 to __flash3.
669         Rename __pgm4 to __flash4.
670         Rename __pgm5 to __flash5.
671         Rename __pgmx to __memx.
672         * doc/extend.texi (AVR Named Address Spaces)
673         Rename address space names as indicated above.
674         * config/avr/avr.c (avr_addrspace): Ditto.
675
676         * config/avr/avr-protos.h
677         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
678         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
679         * config/avr/predicates.md: Ditto.
680         * config/avr/avr.c Ditto, and
681         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
682         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
683
684         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
685         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
686         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
687         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
688         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
689         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
690         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
691         * config/avr/avr.c: Ditto.
692         * config/avr/avr.md: Ditto.
693
694 2012-01-25  Jason Merrill  <jason@redhat.com>
695
696         PR c++/51992
697         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
698
699 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
700
701         PR tree-optimization/51987
702         * tree-data-ref.c (get_references_in_stmt): Handle references in
703         non-volatile GIMPLE_ASM.
704
705 2012-01-25  Richard Guenther  <rguenther@suse.de>
706
707         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
708         bases are dereferenced.
709
710 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
711
712         PR rtl-optimization/48374
713         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
714
715 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
716
717         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
718         compute_data_dependences_for_loop returns false.
719         * tree-parloops.c (loop_parallel_p): Likewise.
720
721 2012-01-25  Richard Guenther  <rguenther@suse.de>
722
723         * tree.h (get_pointer_alignment_1): Declare.
724         * builtins.c (get_pointer_alignment_1): New function.
725         (get_pointer_alignment): Use it.
726
727 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
728
729         PR rtl-optimization/48308
730         * combine.c (enum undo_kind): Add UNDO_LINKS.
731         (struct undo): Add member l to other_contents and where.
732         (do_SUBST_LINK): New.
733         (SUBST_LINK): New.
734         (try_combine): Handle LOG_LINKS for the dummy i1 case.
735         (undo_all): Handle UNDO_LINKS.
736
737 2012-01-25  Richard Henderson  <rth@redhat.com>
738
739         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
740         mem inputs.
741
742 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
743
744         * optabs.c (gen_atomic_test_and_set): Use each argument.
745
746 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
747
748         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
749         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
750         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
751         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
752         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
753         TARGET_PAIRED_SINGLE_FLOAT.
754
755 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
756
757         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
758         (in_struct, return_val): Remove MEM documentation.
759         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
760         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
761         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
762         and MEM_SCALAR.
763         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
764         * cfgexpand.c (add_alias_set_conflicts): Likewise.
765         * expr.c (store_field): Likewise.
766         * function.c (assign_stack_temp_for_type): Likewise.
767         * ifcvt.c (noce_try_cmove_arith): Likewise.
768         * reload1.c (reload): Likewise.
769         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
770         (alpha_set_memflags): Likewise.
771         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
772
773 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
774
775         * rtl.h (true_dependence, canon_true_dependence): Remove varies
776         parameter.
777         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
778         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
779         (true_dependence_1, true_dependence, canon_true_dependence): Remove
780         varies parameter.
781         * cselib.c (cselib_rtx_varies_p): Delete.
782         (cselib_invalidate_mem): Update call to canon_true_dependence.
783         * dse.c (record_store, check_mem_read_rtx): Likewise.
784         (scan_reads_nospill): Likewise.
785         * cse.c (check_dependence): Likewise.
786         (cse_rtx_varies_p): Delete.
787         * expr.c (safe_from_p): Update call to true_dependence.
788         * ira.c (validate_equiv_mem_from_store): Likewise.
789         (memref_referenced_p): Likewise.
790         * postreload-gcse.c (find_mem_conflicts): Likewise.
791         * sched-deps.c (sched_analyze_2): Likewise.
792         * store-motion.c (load_kills_store): Likewise.
793         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
794         * gcse.c (mems_conflict_for_gcse_p): Likewise.
795         (compute_transp): Update call to canon_true_dependence.
796
797 2012-01-25  Richard Henderson  <rth@redhat.com>
798
799         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
800         (maybe_emit_atomic_test_and_set): New.
801         (expand_sync_lock_test_and_set): Use it.
802         (expand_atomic_test_and_set): Likewise.
803         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
804         the implementation; clarify implementation defined details.
805         * doc/md.texi (atomic_test_and_set): Document.
806
807 2012-01-25  Richard Henderson  <rth@redhat.com>
808
809         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
810
811 2012-01-25  Richard Henderson  <rth@redhat.com>
812
813         PR target/51968
814         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
815         to effect no-op split.
816
817 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
818
819         PR lto/51698
820         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
821         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
822         (BT_FN_VOID_PTR_INT_SIZE): New.
823         (BT_FN_UINT_UINT_VAR): Remove.
824         (BT_FN_UINT32_UINT32_VAR): New.
825         (BT_FN_DOUBLE_VPTR): Remove.
826         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
827
828         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
829         (_ITM_changeTransactionMode): Same.
830         (_ITM_memmoveRtWt): Change return type to void.
831         (_ITM_memcpyRtWt): Same.
832         (_ITM_memsetW): Same.
833         (_ITM_RaRD): Change types to double.
834         (_ITM_RD): Same.
835         (_ITM_RaWD): Same.
836         (_ITM_RfWD): Same.
837
838         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
839
840 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
841             Patrick Marlier  <patrick.marlier@gmail.com>
842
843         * trans-mem.c (requires_barrier): Do not instrument thread local
844         variables and emit save/restore for them.
845
846 2012-01-24  Jason Merrill  <jason@redhat.com>
847
848         PR c++/51812
849         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
850         output static aliases.
851
852 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
853
854         PR driver/47249
855         * common.opt (-pie, -shared, pie, shared): Change from Common to
856         Driver.
857         * gcc.c (display_help): Display help for -pie and -shared.
858
859 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
860
861         PR target/49868
862         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
863         Remove note on size/offset limitation.
864         (AVR Variable Attributes): Add example how to read data located
865         with progmem.  Refer to named address spaces.
866         * doc/invoke.texi (AVR Options): Fix typo.
867
868 2012-01-24  Richard Guenther  <rguenther@suse.de>
869
870         Forward-port to trunk
871         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
872
873         PR middle-end/45678
874         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
875         op0 isn't sufficiently aligned and there is movmisalignM
876         insn for mode, use it to load op0 into a temporary register.
877
878 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
879
880         PR target/51957
881         * target.def (const_not_ok_for_debug_p): New hook.
882         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
883         documentation.
884         * doc/tm.texi: Regenerated.
885         * dwarf2out.c (const_ok_for_output_1): If
886         targetm.const_not_ok_for_debug_p returns true, fail.
887         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
888         function.
889         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
890
891 2012-01-23  Kai Tietz  <ktietz@redhat.com>
892
893         PR target/51900
894         * config/i386/predicates.md (symbolic_operand): Allow
895         UNSPEC_PCREL as PIC expression for lea.
896         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
897         * config/i386/i386.c (ix86_delegitimize_address): Handle
898         UNSPEC_PCREL for none-MEM, too.
899
900 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
901
902         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
903         (ipa_tm_create_version_alias): Same.
904
905 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
906
907         PR libitm/51830
908         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
909         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
910
911 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
912             Patrick Marlier  <patrick.marlier@gmail.com>
913             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
914
915         PR lto/51916
916         * lto-wrapper.c (run_gcc): Pass the LTO section name to
917         simple_object_start_read.
918
919 2012-01-23  Richard Guenther  <rguenther@suse.de>
920
921
922         PR tree-optimization/51895
923         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
924         parameter decomposition into BLKmode components.
925
926 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
927
928         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
929         fake variables for restrict-qualified pointers whose pointed-to type
930         contains a placeholder.
931
932 2012-01-23  Richard Guenther  <rguenther@suse.de>
933
934         PR tree-optimization/51949
935         * ipa-split.c (execute_split_functions): Do not split malloc functions.
936
937 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
938
939         PR rtl-optimization/51933
940         * ree.c (transform_ifelse): Return true right away if dstreg is
941         already wider or equal to cand->mode.
942         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
943         (make_defs_and_copies_lists): Remove defs_list and copies_list
944         arguments, add state argument, just truncate state->work_list
945         instead of always allocating and freeing the vector.  Assert that
946         get_defs succeeds instead of returning 2.  Changed return type to bool.
947         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
948         have ext_src_mode, see if it has been modified already with the
949         right kind of extension and has been extended before from the
950         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
951         just return true.  Remember the original mode in state->modified array.
952         (combine_reaching_defs): Add state argument.  Don't allocate and
953         free here def_list, copied_list and vec vectors, instead just
954         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
955         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
956         Add state variable, clear vectors in it, initialize state.modified
957         if needed.  Free all the vectors at the end and state.modified too.
958         Don't skip a candidate if the extension expression has been modified.
959
960 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
961
962         PR target/47096
963         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
964          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
965         (extra_options) interix.opt -> i386/interix.opt"
966         (extra_objs):Add winnt-stubs.o
967         * configure.ac: Add interix to target_os .comm on PE check.
968         * configure: Regenerate.
969         * config/interix3.h: Delete and move bits to..
970         * config/interix.h: Delete and move bits to..
971         * config/i386/i386-interix3.h: Delete and move bits to..
972         * config/i386/i386-interix.h: ..here.
973         (TARGET_CPU_DEFAULT): Remove redefinition.
974         (TARGET_ASM_CONSTRUCTOR): Undefine.
975         (SUBTARGET_SWITCHES): Define for ms-bitfields.
976         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
977         (PTRDIFF_TYPE): Define.
978         (LONG_DOUBLE_TYPE_SIZE): Define.
979         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
980         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
981         (TARGET_SECTION_TYPE_FLAGS): Define.
982         (ASM_DECLARE_FUNCTION_NAME): Define.
983         (ASM_OUTPUT_EXTERNAL): Define.
984         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
985         (ASM_OUTPUT_ALIGNED_BSS): Define.
986         (PCC_BITFIELD_TYPE_MATTERS): Define.
987         (USE_CONST_SECTION): Define.
988         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
989         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
990         (SUPPORTS_ONE_ONLY): Remove.
991         (I386_PE_STRIP_ENCODING): Define.
992         * config/interix.opt: Delete and move bits to..
993         * config/i386/interix.opt: ..here. New.
994         (mpe-aligned-commons): Add.
995         * config/i386/t-interix: Add copyright header.
996         (winnt-stubs.o): Add rule.
997
998 2012-01-22  Jason Merrill  <jason@redhat.com>
999
1000         PR c++/51832
1001         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1002         for extra name aliases.
1003
1004 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1005
1006         PR rtl-optimization/51924
1007         * ree.c (combine_set_extension): Improve debugging message.
1008         (combine_reaching_defs): Likewise.
1009         (get_defs): Rename confusingly named variable.
1010         (find_and_remove_re): Skip a candidate if the extension expression has
1011         been modified.
1012
1013 2012-01-21  Robert Millan  <rmh@gnu.org>
1014             Gerald Pfeifer  <gerald@pfeifer.com>
1015
1016         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1017         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1018
1019 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1020
1021         PR tree-optimization/51914
1022         * tree-vect-stmts.c (vectorizable_conversion): For
1023         cvt_type && modifier == WIDEN, put temporary with cvt_type
1024         at the beginning of vec_dsts and set vec_dest to temporary
1025         with vectype_out.
1026
1027 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1028
1029         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1030
1031 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1032
1033         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1034         * config/rs6000/rs6000.c: Likewise.
1035
1036 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1037
1038         PR target/51915
1039         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1040         output_move_double on a copy of operands array.
1041
1042 2012-01-20  Cary Coutant  <ccoutant@google.com>
1043             Dodji Seketeli  <dodji@redhat.com>
1044
1045         PR debug/45682
1046         * dwarf2out.c (copy_declaration_context): Return ref to parent
1047         of declaration DIE, if necessary.
1048         (remove_child_or_replace_with_skeleton): Add new parameter; update
1049         caller.  Place skeleton DIE under parent DIE of original declaration.
1050         Move call to copy_declaration_context to here ...
1051         (break_out_comdat_types): ... from here.
1052
1053 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1054
1055         PR rtl-optimization/51856
1056         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1057         flag to reloaded.
1058
1059 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1060
1061         PR target/51819
1062         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1063         hints for neon loads and stores.
1064
1065 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1066
1067         PR target/49868
1068         PR target/50887
1069         * doc/extend.texi (Named Address Spaces): Split into subsections.
1070         (AVR Named Address Spaces): New subsection.
1071         (M32C Named Address Spaces): New subsection.
1072         (RL78 Named Address Spaces): New subsection.
1073         (SPU Named Address Spaces): New subsection.
1074         (Variable Attributes): New anchor "AVR Variable Attributes".
1075         (AVR Variable Attributes): Rewrite and avoid wording
1076         "address space" in this context.
1077         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1078         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1079         (AVR Built-in Macros): New subsubsection therein.
1080         * doc/md.texi (AVR constraints): Remove "C04", "R".
1081
1082 2012-01-20  Richard Guenther  <rguenther@suse.de>
1083
1084         PR tree-optimization/51903
1085         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1086         when removing stmts.
1087
1088 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1089
1090         PR target/50313
1091         * config/arm/arm.c (arm_load_pic_register): Use
1092         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1093         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1094         (arm_pic_static_addr): Likewise.
1095         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1096         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1097         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1098         (pic_load_addr_unified): New.
1099
1100 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1101
1102         PR target/51106
1103         * function.c (instantiate_virtual_regs_in_insn): Use
1104         delete_insn_and_edges when removing a wrong asm insn.
1105
1106 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1107
1108         PR rtl-optimization/40761
1109         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1110         Add new member loop_num.
1111         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1112         (ira_build): Remove the parameter.
1113
1114         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1115         (ira.c): Do not build CFG loops for one region allocation.  Remove
1116         argument from ira_build call.
1117
1118         * ira-build.c (init_loop_tree_node): New function.
1119         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1120         loops are not built.
1121         (more_one_region_p): Check current_loops.
1122         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1123         built.
1124         (add_loop_to_tree): Process loop equal to NULL too.
1125         (form_loop_tree): Separate the case when CFG loops are not built.
1126         Use explicitly number for the root.
1127         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1128         an assertion.
1129         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1130         instead of loop->num.
1131         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1132         (mark_all_loops_for_removal): Ditto.
1133         (remove_unnecessary_regions): Separate the case when CFG loops
1134         are not built.
1135         (ira_build): Remove the parameter.  Use explicit number of regions
1136         when CFG loops are not built.
1137
1138         * ira-color.c (print_loop_title): Separate the case for the root node.
1139         Use loop_num instead of loop->num.
1140         (move_spill_restore): Use loop_num instead of loop->num.
1141
1142         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1143         (change_loop): Ditto.
1144         (change_loop): Use loop_num instead of loop->num.
1145
1146         * ira-lives.c (process_bb_node_lives): Ditto.
1147
1148         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1149
1150         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1151
1152 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1153
1154         PR libmudflap/40778
1155         * tree-mudflap.c (mf_artificial): New function.
1156         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1157         mx_register_decls, mudflap_enqueue_decl): Use it.
1158
1159         PR target/51876
1160         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1161         numbers in the insn pattern.
1162
1163 2012-01-19  Michael Matz  <matz@suse.de>
1164
1165         PR tree-optimization/46590
1166         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1167         use it in remembering which conflicts we already created.
1168         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1169         bitmap.
1170
1171 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1172
1173         PR lto/51280
1174         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1175         (merge_and_complain): Same.
1176
1177 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1178
1179         PR bootstrap/50237
1180         * config/initfini-array.h: Guard content of the header
1181         with #ifdef HAVE_INITFINI_ARRAY.
1182         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1183         Add initfini-array.h to tm_file here.
1184         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1185         * config.gcc: Don't add initfini-array.h to tm_file here.
1186         * configure: Regenerated.
1187
1188 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1189
1190         PR rtl-optimization/51505
1191         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1192         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1193         (df_note_bb_compute): Update the call to df_kill_notes.
1194
1195 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1196
1197         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1198
1199 2012-01-18  Richard Guenther  <rguenther@suse.de>
1200
1201         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1202         of conversions to void *.
1203
1204 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1205             Richard Sandiford  <rdsandiford@googlemail.com>
1206
1207         PR middle-end/50325
1208         PR middle-end/51192
1209         * optabs.h (simplify_expand_binop): Declare.
1210         * optabs.c (simplify_expand_binop): Make global.
1211         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1212         endian targets if the source cannot be exactly covered by word
1213         mode chunks.
1214
1215 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1216
1217         PR bootstrap/51872
1218         * hard-reg-set.h (struct hard_reg_set_container): New type.
1219         * target.h (struct hard_reg_set_container): Forward declare.
1220         * target.def (set_up_by_prologue): New target hook.
1221         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1222         * doc/tm.texi: Regenerated.
1223         * function.c (thread_prologue_and_epilogue_insns): Change
1224         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1225         Call targetm.set_up_by_prologue on it.
1226         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1227         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1228
1229 2012-01-17  Nick Clifton  <nickc@redhat.com>
1230
1231         * config/rx/rx.c (rx_can_use_simple_return): New function.
1232         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1233         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1234
1235 2012-01-17  Richard Guenther  <rguenther@suse.de>
1236
1237         PR middle-end/51782
1238         * expr.c (expand_assignment): Take address-space information
1239         from the address operand of MEM_REF and TARGET_MEM_REF.
1240         (expand_expr_real_1): Likewise.
1241
1242 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1243
1244         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1245         reload dump is requested.
1246
1247 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1248
1249         PR other/51165
1250         * trans-mem.c (requires_barrier): Call may_be_aliased.
1251
1252 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1253
1254         PR tree-optimization/51877
1255         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1256         call arguments and fndecls compare equal, instead return false if they
1257         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1258         both SSA_NAMEs that are valueized the same, or they satisfy
1259         operand_equal_p.
1260
1261 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1262
1263         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1264         Solaris 11+.
1265         * configure: Regenerate.
1266
1267 2012-01-16  Jan Hubicka  <jh@suse.cz>
1268
1269         PR c/12245
1270         PR c++/14179
1271         * convert.c (convert_to_integer): Use fold_convert for
1272         converting an INTEGER_CST to integer type.
1273
1274 2012-01-16  Jason Merrill  <jason@redhat.com>
1275
1276         PR c++/14179
1277         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1278
1279 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1280
1281         PR bootstrap/51860
1282         * config/s390/s390.c (s390_chunkify_start): Don't skip
1283         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1284         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1285         If insn is followed by NOTE_INSN_VAR_LOCATION or
1286         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1287         Don't use location of note insns.
1288
1289         PR tree-optimization/51865
1290         * tree-inline.c (tree_function_versioning): Call remap_decl
1291         on DECL_RESULT whenever it has VOID_TYPE_P type.
1292
1293 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1294
1295         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1296         for calls to locally-binding MIPS16 functions if only the return
1297         type uses float regs.
1298
1299 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1300             Richard Sandiford  <rdsandiford@googlemail.com>
1301
1302         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1303         (SYMBOL_32_HIGH): Likewise.
1304         (mips_output_tls_reloc_directive): Declare.
1305         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1306         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1307         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1308         (mips_lo_relocs, mips_hi_relocs): Make extern.
1309         (mips16_stub_function): Move up file.
1310         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1311         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1312         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1313         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1314         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1315         (mips_get_tp): Add MIPS16 support.
1316         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1317         Generalize DTPREL and TPREL handling.
1318         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1319         Add MIPS16 TLS support.
1320         (mips_output_tls_reloc_directive): New function.
1321         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1322         * config/mips/predicates.md (symbolic_operand_with_high)
1323         (tls_reloc_operand): New predicates.
1324         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1325         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1326         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1327         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1328         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1329         (*tls_get_tp_mips16_call_<mode>): Likewise.
1330
1331 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1332
1333         PR rtl-optimization/51821
1334         * recog.c (peep2_find_free_register): Determine clobbered registers
1335         from insn pattern.
1336
1337 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1338
1339         PR target/50925
1340         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1341         * config/avr/avr.c: Likewise.
1342         * config/avr/avr.h: Likewise.
1343
1344 2012-01-13  Ian Lance Taylor  <iant@google.com>
1345
1346         PR c++/50012
1347         * tree.h (TYPE_QUALS): Add cast to int.
1348         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1349
1350 2012-01-13  Ian Lance Taylor  <iant@google.com>
1351
1352         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1353         comparing param_index to VEC_length result.
1354
1355 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1356
1357         * c-decl.c: Do not include tree-mudflap.h
1358         * tree-optimize.c: Likewise.
1359         * Makefile.in: Update dependencies.
1360
1361 2012-01-13  Richard Guenther  <rguenther@suse.de>
1362
1363         PR middle-end/8081
1364         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1365         variable-sized result always use RSO.
1366
1367 2012-01-12  DJ Delorie  <dj@redhat.com>
1368
1369         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1370         pointer type, not just the default pointer type.
1371
1372 2012-01-09  Richard Henderson  <rth@redhat.com>
1373             Denis Chertykov  <chertykov@gmail.com>
1374
1375         PR target/50925
1376         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1377         * config/avr/avr.c (avr_can_eliminate): Simplify.
1378         (avr_initial_elimination_offset): Likewise.
1379         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1380         (expand_epilogue): Likewise.
1381         (avr_legitimize_address): Gut.
1382         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1383         (avr_hard_regno_nregs): New.
1384         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1385         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1386         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1387         add soft frame pointer.
1388         (CALL_USED_REGISTERS): Likewise.
1389         (REG_CLASS_CONTENTS): Likewise.
1390         (REGISTER_NAMES): Likewise.
1391         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1392         (HARD_FRAME_POINTER_REGNUM): New.
1393         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1394         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1395         remove the HARD_FRAME_POINTER self-elimination.
1396
1397 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1398
1399         PR target/51756
1400         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1401         DECL_EXTERNAL when checking for initializers of progmem variables.
1402
1403 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1404
1405         PR tree-optimization/51799
1406         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1407         that the last operation is a type demotion.
1408
1409 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1410
1411         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1412         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1413
1414 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1415
1416         PR bootstrap/51796
1417         * combine.c (distribute_notes): If i3 is a noreturn call,
1418         allow old_size to be equal to args_size and make sure the
1419         noreturn call gets REG_ARGS_SIZE note.
1420         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1421         on noreturn calls even when the delta is 0.
1422
1423 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1424
1425         * gcov.c (STRING_SIZE): Remove.
1426         (generate_results): Erase annotations for source files with no
1427         coverage information.
1428         (read_line): New.
1429         (output_lines): Use it.
1430
1431 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1432
1433         * gimple.h (gimplify_body): Remove first argument.
1434         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1435         pointer set here, instead just pass DATA to walk_tree.
1436         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1437         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1438         (unvisit_body): Likewise, but with unmark_visited.
1439         (gimplify_body): Remove BODY_P argument and adjust.
1440         (gimplify_function_tree): Adjust call to gimplify_body.
1441         * omp-low.c (finalize_task_copyfn): Likewise.
1442
1443 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1444
1445         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1446         (build_function_type_skip_args): Delete.
1447         * tree.c (build_function_type_skip_args): Make static and add
1448         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1449         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1450         pass it to build_function_type_skip_args.
1451         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1452         (tree_function_versioning): Likewise.
1453         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1454         build_function_decl_skip_args.
1455         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1456         and pass it to build_function_decl_skip_args/tree_function_versioning.
1457         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1458         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1459         * trans-mem.c (ipa_tm_create_version): Likewise.
1460         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1461         * tree-inline.c (declare_return_variable): Remove always-true test.
1462         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1463         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1464         * ipa-split.c (split_function): Skip the return value for the split
1465         part if it doesn't return.
1466
1467 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1468
1469         PR tree-optimization/49642
1470         * ipa-split.c (forbidden_dominators): New variable.
1471         (check_forbidden_calls): New function.
1472         (dominated_by_forbidden): Likewise.
1473         (consider_split): Check for forbidden dominators.
1474         (execute_split_functions): Initialize and free forbidden
1475         dominators info; call check_forbidden_calls.
1476
1477 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1478
1479         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1480
1481 2012-01-11  Nick Clifton  <nickc@redhat.com>
1482
1483         * config/rx/rx.md (return): Define pattern.
1484
1485 2012-01-11  Richard Guenther  <rguenther@suse.de>
1486
1487         * doc/extend.texi (malloc attribute): Adjust according to
1488         implementation.
1489
1490 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1491             Patrick Marlier  <patrick.marlier@gmail.com>
1492
1493         PR middle-end/51516
1494         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1495         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1496         (ipa_tm_note_irrevocable): Same.
1497         (ipa_tm_scan_irr_block): Same.
1498         (ipa_tm_decrement_clone_counts): Same.
1499         (ipa_tm_scan_irr_function): Same.
1500         (ipa_tm_create_version_alias): Same.
1501         (ipa_tm_create_version): Same.
1502         (ipa_tm_transform_calls_redirect): Same.
1503         (ipa_tm_transform_calls): Same.
1504         (ipa_tm_transform_transaction): Same.
1505         (ipa_tm_execute): Same.
1506
1507 2012-01-10  Richard Guenther  <rguenther@suse.de>
1508
1509         PR middle-end/51806
1510         * opts.c (common_handle_option): Handle -Werror.
1511
1512 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1513
1514         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1515         operand number.
1516
1517 2012-01-10  Jason Merrill  <jason@redhat.com>
1518
1519         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1520         information.
1521
1522 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1523
1524         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1525         supports R_386_TLS_GD_PLT reloc.
1526         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1527         supports R_386_TLS_LDM_PLT reloc.
1528         * configure: Regenerate.
1529         * config.in: Regenerate.
1530
1531 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1532
1533         PR target/49868
1534         Extend __pgmx semantics to linearize memory.
1535         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1536         determine if code comes inline or from libgcc.
1537         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1538         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1539         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1540         (movmemx_qi, movmemx_hi): New insns.
1541         (xload_<mode>_libgcc): Rewrite to new insn condition.
1542         (xload_<mode>): Remove insns.
1543         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1544         cases that don't satisfy avr_xload_libgcc_p().
1545         (avr_addr_space_convert): Allow converting in any direction.
1546         (avr_addr_space_subset_p): Return always true.
1547         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1548         (avr_emit_movmemhi): Ditto.
1549         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1550         (avr_out_movmem): Ditto.
1551         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1552         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1553         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1554         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1555         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1556
1557 2012-01-10  Richard Guenther  <rguenther@suse.de>
1558
1559         PR tree-optimization/50913
1560         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1561         Require data-refs to be representable by Graphite with respect
1562         to any loop nest.
1563
1564 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1565
1566         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1567         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1568
1569 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1570
1571         PR rtl-optimization/51271
1572         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1573         handling annulled branch.
1574
1575 2012-01-10  Richard Henderson  <rth@redhat.com>
1576
1577         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1578         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1579         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1580         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1581         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1582         arm_expand_vec_perm_const): New.
1583         * config/arm/arm-protos.h: Update.
1584         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1585         (*neon_vswp<VDQX>): New.
1586         (neon_vcombine<VDX>): Use neon_split_vcombine.
1587         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1588         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1589         (vec_perm<VE>): New.
1590
1591 2012-01-10  Richard Henderson  <rth@redhat.com>
1592
1593         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1594         use it if reload_completed.
1595         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1596         arm_output_asm_insn, arm_process_output_memory_barrier,
1597         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1598         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1599         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1600         arm_process_output_sync_insn, arm_output_sync_insn,
1601         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1602         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1603         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1604         (emit_unlikely_jump): New.
1605         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1606         (arm_split_atomic_op): New.
1607         * config/arm/arm-protos.h: Update.
1608         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1609         (struct arm_sync_generator): Remove.
1610         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1611         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1612         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1613         (VUNSPEC_LL, VUNSPEC_SC): New.
1614         (sync_result, sync_memory, sync_required_value, sync_new_value,
1615         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1616         (attr length): Don't use arm_sync_loop_insns.
1617         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1618         (movsfcc, movdfcc): Likewise.
1619         * config/arm/constraints.md (Ua): New.
1620         * config/arm/prediates.md (mem_noofs_operand): New.
1621         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1622         (sync_clobber, sync_t2_reqd): Remove.
1623         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1624         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1625         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1626         (arm_sync_compare_and_swap<SIDI>): Remove.
1627         (arm_sync_compare_and_swap<NARROW>): Remove.
1628         (arm_sync_lock_test_and_set<SIDI>): Remove.
1629         (arm_sync_lock_test_and_set<NARROW>): Remove.
1630         (arm_sync_new_<syncop><SIDI>): Remove.
1631         (arm_sync_new_<syncop><NARROW>): Remove.
1632         (arm_sync_new_nand<SIDI>): Remove.
1633         (arm_sync_new_nand<NARROW>): Remove.
1634         (arm_sync_old_<syncop><SIDI>): Remove.
1635         (arm_sync_old_<syncop><NARROW>): Remove.
1636         (arm_sync_old_nand<SIDI>): Remove.
1637         (arm_sync_old_nand<NARROW>): Remove.
1638         (*memory_barrier): Merge arm_output_memory_barrier.
1639         (atomic_compare_and_swap<QHSD>): New.
1640         (atomic_compare_and_swap<NARROW>_1): New.
1641         (atomic_compare_and_swap<SIDI>_1): New.
1642         (atomic_exchange<QHSD>): New.
1643         (cas_cmp_operand, cas_cmp_str): New.
1644         (atomic_op_operand, atomic_op_str): New.
1645         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1646         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1647         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1648         (arm_load_exclusive<NARROW>): New.
1649         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1650         (arm_store_exclusive<QHSD>): New.
1651
1652 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1653
1654         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1655         reload patterns if -mvsx-scalar-memory.
1656
1657         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1658         generated, even -mno-vsx-scalar-double was used.
1659         (vsx_xscvdpsp_scalar): Likewise.
1660         (vsx_xscvspdp_scalar2): Likewise.
1661
1662 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1663             Andrew Pinski  <apinski@cavium.com>
1664
1665         PR debug/51471
1666         * reorg.c (fill_slots_from_thread): Don't speculate
1667         frame-related insns.
1668
1669 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1670
1671         * sched-int.h (bb_note): Move to...
1672         * basic-block.h: ...here.
1673         * haifa-sched.c (bb_note): Move to...
1674         * cfgrtl.c: ...here.
1675         * function.c (next_block_for_reg): New function.
1676         (move_insn_for_shrink_wrap): Likewise.
1677         (prepare_shrink_wrap): Rewrite to use the above.
1678
1679 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1680
1681         * gimple.c (is_gimple_non_addressable): Remove.
1682         * gimple.h: Remove is_gimple_non_addressable.
1683         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1684         is_gimple_non_addressable.
1685         * trans-mem.c (expand_assign_tm): Same.
1686
1687 2012-01-09  Richard Guenther  <rguenther@suse.de>
1688
1689         PR tree-optimization/51775
1690         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1691         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1692
1693 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1694
1695         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1696         tuning parameters.
1697         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1698
1699 2012-01-09  Richard Guenther  <rguenther@suse.de>
1700
1701         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1702
1703 2012-01-08  Jan Hubicka  <jh@suse.cz>
1704
1705         PR tree-optimize/51680
1706         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1707         on when known_vals needs to be computed; cleanup.
1708
1709 2012-01-08  Jan Hubicka  <jh@suse.cz>
1710
1711         PR tree-optimize/51694
1712         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1713
1714 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1715
1716         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1717         for -std=c++98 and -std=c++11 too.
1718
1719 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1720
1721         * cfgloop.c (cancel_loop): Add free() of bbs array.
1722
1723 2012-01-07  Jan Hubicka  <jh@suse.cz>
1724
1725         PR tree-optimization/51600
1726         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1727         that benefits small functions.
1728
1729 2012-01-07  Jan Hubicka  <jh@suse.cz>
1730
1731         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1732
1733 2012-01-07  Jan Hubicka  <jh@suse.cz>
1734
1735         PR tree-optimization/51680
1736         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1737         whose inlining reduce unit size.
1738
1739 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1740
1741         PR bootstrap/51725
1742         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1743         Add canonical node to containing_mem chain after the non-canonical
1744         one, even if there weren't any locs to propagate.
1745         (remove_useless_values): Keep only canonical values.
1746         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1747         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1748         canonicalize mem_chain elements that are not discarded.
1749
1750 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR target/47333
1753         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1754         before emitting functions.
1755
1756         PR gcov-profile/50127
1757         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1758         clear_aux_for_blocks.
1759
1760 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1761
1762         PR debug/51746
1763         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1764
1765 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1766
1767         * c-decl.c (ext_block): Moved up.
1768         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1769
1770 2012-01-06  Han Shen  <shenhan@google.com>
1771
1772         Translate built-in include paths for sysroot.
1773         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1774         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1775
1776         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1777         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1778
1779         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1780         control whether sysroot should be prepended to gxx include dir.
1781
1782         * configure: Regenerate.
1783
1784 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1785
1786         PR rtl-optimization/51771
1787         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1788         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1789
1790 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1791
1792         PR tree-optimization/51315
1793         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1794         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1795
1796 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1797
1798         PR target/51681
1799         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1800         for shrp pattern.  Correctly handle and fixup shift variable.
1801         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1802
1803 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR debug/51762
1806         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1807         note when !ACCUMULATE_OUTGOING_ARGS.
1808
1809 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1810
1811         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1812         condition.
1813         (extract_range_from_unary_expr_1): Avoid useless computations.
1814
1815 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1816
1817         PR rtl-optimization/51767
1818         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1819         of jump_block and add an extra edge for degenerated asm gotos.
1820
1821         PR middle-end/51768
1822         * stmt.c (check_unique_operand_names): Don't ICE during error
1823         reporting if i is from labels chain.
1824
1825         PR middle-end/44777
1826         * profile.c (branch_prob): Split bbs that have exit edge
1827         and need a fake entry edge too.
1828
1829 2012-01-05  Jan Hubicka  <jh@suse.cz>
1830
1831         PR middle-end/49710
1832         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1833         unlooping loops.
1834
1835 2012-01-05  Richard Guenther  <rguenther@suse.de>
1836
1837         PR lto/50490
1838         * tree-streamer-out.c (write_ts_optimization): New function.
1839         (streamer_write_tree_body): Call it.
1840         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1841         (streamer_read_tree_body): Call it.
1842         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1843
1844 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1845
1846         PR middle-end/51761
1847         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1848         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1849         in_cleanup_point_expr before gimplify_stmt call and restore it
1850         afterwards.
1851         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1852         in_cleanup_point_expr is false.
1853
1854 2012-01-05  Richard Guenther  <rguenther@suse.de>
1855
1856         PR middle-end/51764
1857         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1858         to c.opt.
1859         * toplev.c (process_options): Reject combining mudflap and LTO.
1860         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1861
1862 2012-01-05  Richard Guenther  <rguenther@suse.de>
1863
1864         PR tree-optimization/51760
1865         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1866         not VARYING.
1867         (bit_value_unop): Handle UNDEFINED operands.
1868         (bit_value_binop): Likewise.
1869
1870 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1871
1872         * config/avr/avr.c (avr_replace_prefix): Remove.
1873         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1874         (avr_asm_function_rodata_section): Ditto.
1875         (avr_asm_select_section): Ditto.
1876
1877 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1878
1879         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1880         insertion.
1881
1882 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1883
1884         PR bootstrap/51648
1885         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1886         calls that have any non-fake successor edges.
1887
1888         PR debug/51746
1889         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1890
1891 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1892
1893         PR tree-optimization/51624
1894         * tree-sra.c (build_ref_for_model): When replicating a chain of
1895         COMPONENT_REFs, stop as soon as the offset would become negative.
1896
1897 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1898
1899         PR debug/51695
1900         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1901         in .debug_loc on the floor.
1902
1903 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1904
1905         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1906
1907 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1908             Adam Nemet  <anemet@caviumnetworks.com>
1909
1910         * config/mips/mips.md (size): Add SI and DI.
1911         (SIZE): New mode attribute.
1912         (U): New code attribute.
1913         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1914         (mips_lbux_<mode>): Delete.
1915         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1916         (mips_lhx): Use gen_mips_lhx_extsi.
1917         (mips_lhx_<mode>): Delete.
1918         (mips_lwx): Delete.
1919         (mips_l<size>x): New expand.
1920         (mips_lwx_<mode>): Delete.
1921         (mips_l<GPR:size>x_<P:mode>): New pattern.
1922         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1923         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1924         * config/mips/mips.c (mips_lx_address_p): New function.
1925         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1926         (dsp64): New availability predicate.
1927         (mips_builtins): Add an entry for __builtin_mips_ldx.
1928         * config/mips/mips.h (ISA_HAS_LBX): New define.
1929         (ISA_HAS_LBUX): Likewise.
1930         (ISA_HAS_LHX): Likewise.
1931         (ISA_HAS_LHUX): Likewise.
1932         (ISA_HAS_LWX): Likewise.
1933         (ISA_HAS_LWUX): Likewise.
1934         (ISA_HAS_LDX): Likewise.
1935         * doc/extend.texi (__builtin_mips_ldx): Document.
1936
1937 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1938
1939         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1940         when long pointers are used.
1941         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1942         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1943         (ia64-hp-*vms*): Remove.
1944         * config/vms/xm-vms64.h: Delete.
1945
1946 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1947
1948         PR middle-end/51472
1949         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1950
1951 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1952
1953         * opts.c (finish_options): Remove duplicate sorry.
1954
1955 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1956
1957         PR middle-end/51696
1958         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1959         correctly.
1960
1961 2012-01-04  Richard Guenther  <rguenther@suse.de>
1962
1963         PR middle-end/51750
1964         * tree.c (size_low_cst): New function.
1965         * tree.h (size_low_cst): Declare.
1966         * fold-const.c (fold_comparison): Use it to extract the low
1967         part of the POINTER_PLUS_EXPR offset.
1968
1969 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1970
1971         Fix clearing ZERO_REG
1972         * config/avr/avr.md (cc): Add alternative "ldi".
1973         (movqi_insn): Use it in cc attribute.
1974         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1975         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1976         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1977
1978 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1979
1980         * configure: Regenerate.
1981
1982 2012-01-04  Richard Guenther  <rguenther@suse.de>
1983
1984         PR tree-optimization/49651
1985         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1986         (var_can_have_subvars): Use it.
1987         (get_constraint_for_1): Only consider subfields if there can be any.
1988
1989 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1990
1991         PR bootstrap/51725
1992         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1993         to its new canonical_cselib_val and the cselib_val was in
1994         first_containing_mem chain, but the canonical_cselib_val was not,
1995         add the latter into the chain.
1996         (cselib_invalidate_mem): Compare canonical_cselib_val of
1997         addr_list chain elt with v.
1998
1999         PR pch/51722
2000         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2001         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2002         of xstrdup.
2003         (output_macinfo_op): Don't ggc_strdup fd->filename.
2004         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2005         then ggc_strdup it.  Don't free inc->info or cur->info.
2006         (output_macinfo): Don't free ref->info or file->info.
2007
2008 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2009
2010         PR tree-optimization/51269
2011         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2012         first_niters a pointer.
2013         (slpeel_tree_peel_loop_to_edge): Likewise.
2014         (vect_do_peeling_for_loop_bound): Update call to
2015         slpeel_tree_peel_loop_to_edge.
2016         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2017         here.  Remove it from the parameters list.
2018         (vect_do_peeling_for_alignment): Update calls and compute
2019         wide_prolog_niters.
2020
2021 2012-01-03  Richard Guenther  <rguenther@suse.de>
2022
2023         PR tree-optimization/51070
2024         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2025         Properly handle calls.
2026
2027 2012-01-03  Richard Guenther  <rguenther@suse.de>
2028
2029         PR tree-optimization/51692
2030         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2031         the LHS of allocation stmts.
2032
2033 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2034
2035         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2036
2037 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2038
2039         * collect2.c (main): In AIX specific computations for vector
2040         insertions, use CONST_CAST2 to cast from char ** to const char **.
2041
2042 2012-01-03  Richard Guenther  <rguenther@suse.de>
2043
2044         PR debug/51650
2045         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2046         the context of a limbo DIE when it does not already exist.
2047
2048 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR tree-optimization/51719
2051         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2052         but direct call is, clear direct call's lhs and don't add fallthrough
2053         edge from dcall_bb to join_bb and PHIs.
2054
2055 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2056
2057         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2058         the instructions emitted by the pattern.
2059         ("*TDC_insn_<mode>"): Add comment.
2060
2061 2012-01-03  Richard Guenther  <rguenther@suse.de>
2062
2063         PR middle-end/51730
2064         * fold-const.c (fold_comparison): Properly canonicalize
2065         tree offset and HOST_WIDE_INT bit position.
2066
2067 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2068
2069         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2070         operands for extzv pattern.
2071
2072 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2073
2074         PR bootstrap/51725
2075         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2076         on mem_elt first.
2077
2078 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2079
2080         * doc/invoke.texi (-flto and related options): Copy-edit.
2081
2082 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2083
2084         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2085
2086 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2087
2088         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2089         New patterns.
2090
2091 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2092
2093         * expr.h (move_by_pieces_ninsns): Declare.
2094         * expr.c (move_by_pieces_ninsns): Make external.
2095         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2096         (mips_store_by_pieces_p): Likewise.
2097         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2098         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2099         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2100         (mips_store_by_pieces_p): Likewise.
2101
2102 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2103
2104         * passes.c (register_one_dump_file): Free full_name.
2105
2106         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2107         (calculate_elim_costs_all_insns): Free offsets_at and
2108         offsets_known_at at the end and clear the pointers.
2109
2110 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2111
2112         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2113         this option introduced in r180739.
2114
2115 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2116
2117         PR target/51345
2118         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2119         (tmake_file target=avr): Add avr/t-multilib.
2120
2121         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2122         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2123         * config/avr/genmultilib.awk: New file.
2124         * config/avr/t-multilib: New auto-generated file.
2125         * config/avr/multilib.h: New auto-generated file.
2126         * config/avr/t-avr (AVR_MCUS): New variable.
2127         (genopt.sh): Use it.
2128         (s-mlib): Depend on t-multilib.
2129         (t-multilib, multilib.h): New dependencies.
2130         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2131         (MULTILIB_OPTIONS): Remove.
2132         (MULTILIB_MATCHES): Remove.
2133         (MULTILIB_DIRNAMES): Remove.
2134         (MULTILIB_EXCEPTIONS): Remove:
2135         * config/avr/genopt.sh: Don't use hard coded file name;
2136         pass AVR_MCUS from t-avr instead.
2137
2138 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2139
2140         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2141
2142 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2143
2144         Implement light-weight DImode support.
2145         * config/avr/avr-dimode.md: New file.
2146         * config/avr/avr.md: Include it.
2147         (adjust_len): Add plus64, compare64.
2148         (HIDI): Remove code iterator.
2149         (code_stdname): New code attribute.
2150         (rotx, rotsmode): Remove DI.
2151         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2152         as code iterator.
2153         * config/avr/avr-protos.h (avr_have_dimode): New.
2154         (avr_out_plus64, avr_out_compare64): New.
2155         * config/avr/avr.c (avr_out_compare): Handle DImode.
2156         (avr_have_dimode): New variable definition and initialization.
2157         (avr_out_compare64, avr_out_plus64): New functions.
2158         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2159         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2160         (avr_compare_pattern): Skip DImode comparisons.
2161
2162 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2163
2164         * ddg.c (def_has_ccmode_p): New function.
2165         (add_cross_iteration_register_deps,
2166         create_ddg_dep_from_intra_loop_link): Call it.
2167
2168 2012-01-02  Richard Guenther  <rguenther@suse.de>
2169
2170         PR other/51679
2171         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2172
2173 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2174
2175         * gcc.c (process_command): Update copyright notice dates.
2176         * gcov.c (print_version): Likewise.
2177         * gcov-dump.c (print_version): Likewise.
2178         * mips-tfile.c (main): Likewise.
2179         * mips-tdump.c (main): Likewise.
2180
2181 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2182
2183         PR tree-optimization/51704
2184         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2185         a use is inside the basic block or loop before accessing its vect info.
2186
2187 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2188
2189         PR rtl-optimization/51069
2190         * cfgloopmanip.c (remove_path): Removing path making irreducible
2191         region unconditional makes BB part of the region.
2192
2193 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2194
2195         PR tree-optimization/51683
2196         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2197         calls with side-effects.
2198         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2199 \f
2200 Copyright (C) 2012 Free Software Foundation, Inc.
2201
2202 Copying and distribution of this file, with or without modification,
2203 are permitted in any medium without royalty provided the copyright
2204 notice and this notice are preserved.