re PR middle-end/52177 (ICE: verify_gimple failed: non-trivial conversion at assignme...
[gcc.git] / gcc / ChangeLog
1 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2
3 PR middle-end/52177
4 * builtins.c (fold_builtin_atomic_always_lock_free,
5 expand_builtin_atomic_always_lock_free,
6 fold_builtin_atomic_is_lock_free,
7 expand_builtin_atomic_is_lock_free): Return and/or test
8 boolean_true_node/boolean_false_node instead of
9 integer_one_node/integer_zero_node.
10
11 2012-02-10 Jan Hubicka <jh@suse.cz>
12
13 PR middle-end/48600
14 * predict.c (predict_paths_for_bb): Prevent looping.
15 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
16
17 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
18
19 * config/arm/arm.c (output_move_double): In one case properly
20 count number of instructions that will be emitted.
21
22 2012-02-10 Richard Guenther <rguenther@suse.de>
23
24 PR translation/52193
25 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
26
27 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
28
29 PR middle-end/52140
30 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
31
32 2012-02-09 Jakub Jelinek <jakub@redhat.com>
33
34 PR debug/52165
35 * var-tracking.c (emit_note_insn_var_location): If
36 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
37 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
38 non-NOTE_DURING_CALL_P insn.
39
40 2012-02-09 Bin Cheng <bin.cheng@arm.com>
41
42 PR middle-end/51867
43 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
44
45 2012-02-08 Magnus Granberg <zorry@gentoo.org>
46
47 PR driver/48524
48 * gcc.c (switch_matches) Support switches with separated form, -D
49 and -U.
50
51 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
52
53 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
54 (SP_ADDR): Ditto.
55 (RAMPZ_ADDR): Ditto.
56 * config/avr/avr.c (avr_addr_t): New typedef.
57 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
58 (avr_init_expanders): Initialize it.
59 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
60 SREG_ADDR.
61 (expand_epilogue): Ditto.
62 (avr_print_operand): Ditto.
63 (avr_file_start): Ditto.
64 (avr_emit_movmemhi): Ditto.
65
66 2012-02-08 Richard Guenther <rguenther@suse.de>
67
68 PR tree-optimization/46886
69 * tree-flow.h (do_while_loop_p): Declare.
70 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
71 * tree-parloops.c (parallelize_loops): Only parallelize do-while
72 loops.
73
74 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
75
76 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
77 always succeed for integers larger than a native word.
78
79 2012-02-08 Richard Guenther <rguenther@suse.de>
80
81 PR rtl-optimization/52170
82 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
83 properly handle integer vector modes.
84
85 2012-02-08 Jakub Jelinek <jakub@redhat.com>
86
87 PR gcov-profile/52150
88 * coverage.c: Include target.h.
89 (build_var): Call targetm.strip_name_encoding on the assembler name.
90 Change one _ into . or $ if the target allows it.
91 * Makefile.in (coverage.o): Depend on $(TARGET_H).
92
93 PR rtl-optimization/52139
94 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
95 is a BARRIER after emit_insn_after_noloc, move BB_END
96 to the last non-BARRIER insn before it.
97
98 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
99
100 PR middle-end/24306
101 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
102 (mips_gimplify_va_arg_expr): Call it instead of
103 std_gimplify_va_arg_expr.
104
105 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
106
107 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
108 message for -mno-pointers-to-nested-function.
109
110 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
111
112 PR middle-end/51994
113 * expr.c (get_inner_reference): If there is an offset, add a negative
114 bit position to it (if any).
115
116 2012-02-07 Jakub Jelinek <jakub@redhat.com>
117
118 PR rtl-optimization/52060
119 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
120 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
121 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
122 and/or i0src_copy2 when needed.
123
124 2012-02-07 Jakub Jelinek <jakub@redhat.com>
125
126 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
127 or LTOPLUGINSONAME if have_c.
128
129 * config/freebsd-spec.h: Add comment about what macros can be defined
130 in this header.
131 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
132 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
133 here instead.
134
135 2012-02-07 Richard Guenther <rguenther@suse.de>
136
137 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
138 newline in -alias dumps.
139
140 2012-02-07 Kai Tietz <ktietz@redhat.com>
141 Dave Korn <dave.korn.cygwin@gmail.com>
142
143 PR target/40068
144 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
145 Take care that typinfo gets dllexport-attribute.
146
147 2012-02-07 Jakub Jelinek <jakub@redhat.com>
148
149 PR middle-end/52074
150 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
151 if modifier < EXPAND_SUM call force_operand on the result.
152
153 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
154
155 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
156 adding __forwarder_dst__ prefix if a forwarder_section attribute is
157 present.
158 (epiphany_function_type): Replace types for specific interrupts with
159 EPIPHANY_FUNCTION_INTERRUPT.
160 (EPIPHANY_INTERRUPT_P): Update.
161 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
162 New static function.
163 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
164 <disinterrupt>: Affects type identity.
165 (epiphany_handle_interrupt_attribute): Handle variable number of
166 arguments.
167 (epiphany_compute_function_type): Update for new
168 epiphany_function_type definition.
169 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
170 handlers with a longcall forwarder.
171 (epiphany_start_function): Handle multiple interrupt arguments and/or
172 forwarder_section attribute.
173
174 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
175
176 2012-02-07 Alan Modra <amodra@gmail.com>
177
178 PR target/52107
179 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
180 subregs of TFmode.
181
182 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
183
184 PR tree-optimization/50969
185 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
186 use vec_perm rather than vector_stmt.
187 (vect_model_load_cost): Likewise.
188 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
189 vec_perm to be the same as other vector statements.
190 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
191 cost of vec_perm for TARGET_VSX.
192
193 2012-02-06 Richard Guenther <rguenther@suse.de>
194
195 PR tree-optimization/52115
196 * tree-sra.c (access_has_replacements_p): New function.
197 (sra_modify_assign): Use it to decide whether a use is uninitialized.
198
199 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
200
201 PR middle-end/52047
202 * trans-mem.c (expand_call_tm): Add an assertion.
203 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
204 functions.
205
206 2012-02-06 Richard Guenther <rguenther@suse.de>
207
208 PR tree-optimization/50955
209 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
210 raise cost of expressions that replace an address with an
211 expression based on a different pointer.
212
213 2012-02-06 Jakub Jelinek <jakub@redhat.com>
214
215 PR target/52129
216 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
217 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
218
219 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
220
221 PR c++/48680
222 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
223 -Weffc++ and specify guidelines come from second edition.
224
225 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
226
227 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
228 (sibcall_value_multiple_internal, call_split, call_internal_direct)
229 (call_direct_split, call_value_split, call_value_internal_direct)
230 (call_value_direct_split, call_value_multiple_split): Use jal and
231 jal_macro attributes.
232
233 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
234
235 * reload1.c (reload_regs_reach_end_p): Replace with...
236 (reload_reg_rtx_reaches_end_p): ...this function.
237 (new_spill_reg_store): Update commentary.
238 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
239 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
240 before setting new_spill_reg_store.
241 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
242 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
243 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
244 for non-spill reload registers.
245
246 2012-02-05 Ira Rosen <irar@il.ibm.com>
247
248 PR tree-optimization/52091
249 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
250 (vect_is_simple_use_1): Likewise.
251 * tree-vect-loop.c (vectorizable_reduction): Update calls
252 to vect_is_simple_use_1 and vect_is_simple_use.
253 (vectorizable_live_operation): Likewise.
254 * tree-vect-patterns.c (widened_name_p,
255 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
256 Likewise.
257 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
258 vectorizable_call, vectorizable_conversion,
259 vectorizable_assignment, vectorizable_shift,
260 vectorizable_operation, vectorizable_store, vectorizable_load):
261 Likewise.
262 (vect_is_simple_cond): Add an argument, pass it to
263 vect_is_simple_use_1.
264 (vectorizable_condition): Update calls to vect_is_simple_cond,
265 vect_is_simple_use.
266 (vect_is_simple_use): Add an argument, the statement in which
267 OPERAND is used. Check that if OPERAND's def stmt is a double
268 reduction phi node, the use is a phi node too.
269 (vect_is_simple_use_1): Add an argument, pass it to
270 vect_is_simple_use.
271 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
272 to vect_is_simple_use.
273
274 2012-02-04 Jakub Jelinek <jakub@redhat.com>
275
276 PR rtl-optimization/52095
277 * modulo-sched.c (dump_insn_locator): New function.
278 (loop_canon_p, sms_schedule): Use it.
279
280 PR rtl-optimization/52113
281 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
282 even for decomposable shift/zext insns.
283
284 2012-02-03 Jakub Jelinek <jakub@redhat.com>
285 Zdenek Dvorak <ook@ucw.cz>
286
287 PR rtl-optimization/52092
288 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
289 on get_iv_value result.
290
291 2012-02-02 Andrew Pinski <apinski@cavium.com>
292
293 PR middle-end/47982
294 PR middle-end/43967
295 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
296
297 2012-02-02 Jakub Jelinek <jakub@redhat.com>
298
299 PR middle-end/48071
300 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
301
302 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
303
304 PR rtl-optimization/49800
305 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
306 (sched_finish): Call regstat_free_n_sets_and_refs.
307
308 2012-02-02 Jia Liu <proljc@gmail.com>
309
310 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
311 than operand 2.
312
313 2012-02-02 Jan Hubicka <jh@suse.cz>
314 Tom de Vries <tom@codesourcery.com>
315
316 PR middle-end/51998
317 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
318 * varpool.c (varpool_analyze_pending_decls): Likewise.
319
320 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
321 Jayant R Sonar <jayant.sonar@kpitcummins.com>
322
323 * config.gcc: Add cr16-* support.
324
325 * doc/extend.texi: Document cr16 extensions.
326 * doc/install.texi: Document cr16 install.
327 * doc/invoke.texi: Document cr16 options.
328 * doc/md.texi: Document cr16 constraints.
329
330 * common/config/cr16/cr16-common.c: New file.
331 * config/cr16/cr16.c: New file.
332 * config/cr16/cr16.h: New file.
333 * config/cr16/cr16.md: New file.
334 * config/cr16/cr16.opt: New file.
335 * config/cr16/cr16-protos.h: New file.
336 * config/cr16/predicates.md: New file.
337 * config/cr16/constraints.md: New file.
338 * config/cr16/t-cr16: New file.
339
340 2012-02-02 Jakub Jelinek <jakub@redhat.com>
341
342 PR target/52086
343 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
344 that operands[2] is either immediate, or q_regs_operand.
345
346 PR tree-optimization/52073
347 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
348 a pattern stmt for pattern uses, ignore uses outside of the loop.
349
350 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
351
352 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
353 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
354 (OUT_AS1, OUT_AS2): Remove.
355
356 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
357
358 PR rtl-optimization/51374
359 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
360 to cross other volatile_refs_p insns.
361
362 2012-02-01 Richard Guenther <rguenther@suse.de>
363
364 * doc/invoke.texi (fno-inline): Clarify documentation.
365 (finline-small-functions): Likewise.
366 (finline-functions): Likewise.
367 * common.opt (finline): Adjust comment and documentation.
368 (finline-small-functions): Clarify documentation.
369 (finline-functions): Likewise.
370 (finline-functions-called-once): Likewise.
371
372 2012-02-01 Tristan Gingold <gingold@adacore.com>
373
374 * c-typeck.c (composite_type): Keep mode for pointers.
375
376 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
377
378 * function.h (regno_reg_rtx): Adjust comment.
379 * reginfo.c (init_reg_modes_target): Only use the previous mode
380 if it fits within one register. Remove MIPS comment.
381
382 2012-01-31 Jakub Jelinek <jakub@redhat.com>
383
384 PR bootstrap/52058
385 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
386
387 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
388
389 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
390 to srak instruction.
391
392 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
393
394 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
395 condition.
396
397 2012-01-31 Jakub Jelinek <jakub@redhat.com>
398
399 PR bootstrap/52041
400 PR bootstrap/52039
401 PR target/51974
402 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
403
404 2012-01-31 Richard Guenther <rguenther@suse.de>
405
406 PR tree-optimization/51528
407 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
408 assigns.
409
410 2012-01-31 Jakub Jelinek <jakub@redhat.com>
411
412 PR bootstrap/52041
413 PR bootstrap/52039
414 PR target/51974
415 * ree.c (add_removable_extension): Change def_map argument
416 to unsigned *, store in def_map 1 + offset into *insn_list vector
417 instead of pointers into the vector.
418 (find_removable_extensions): Adjust caller.
419
420 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
421
422 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
423 Transform all "* quoted-c-code" to { c-code }.
424 Remove redundant test for "optimize" in combine patterns.
425 Move (include "avr-dimode.md") to end of file.
426
427 2012-01-30 Bin Cheng <bin.cheng@arm.com>
428
429 PR target/51835
430 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
431 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
432
433 2012-01-30 Richard Guenther <rguenther@suse.de>
434
435 PR tree-optimization/52028
436 * tree-loop-distribution.c (ldist_gen): Properly update
437 virtual SSA form.
438
439 2012-01-30 Jakub Jelinek <jakub@redhat.com>
440
441 PR debug/52027
442 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
443 set_cur_line_info_table if not emitting debug info.
444
445 PR tree-optimization/52046
446 * tree-vect-patterns.c (check_bool_pattern): Give up if
447 a comparison could throw.
448
449 PR debug/52048
450 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
451
452 2012-01-30 Richard Guenther <rguenther@suse.de>
453
454 PR tree-optimization/52045
455 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
456 SSA form if cfgcleanup did anything.
457
458 2012-01-30 Richard Guenther <rguenther@suse.de>
459
460 PR tree-optimization/52045
461 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
462 before computing final todo.
463
464 2012-01-30 Richard Guenther <rguenther@suse.de>
465
466 PR tree-optimization/51528
467 * tree-sra.c (sra_modify_assign): Re-factor in preparation
468 for PR51528 fix.
469
470 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
471
472 * df-problems.c (df_kill_notes): Check that the use refers
473 to the note under examination.
474
475 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
476
477 PR target/51920
478 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
479 parameter and use short-lived pseudos.
480 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
481 (sparc_expand_vector_init): Const-ify local variables and adjust
482 calls to above functions.
483
484 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
485
486 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
487
488 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
489
490 * doc/invoke.texi: Make usage of "compile time" and
491 "run time"/"runtime" consistent throughout the file.
492
493 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
494
495 * config/alpha/alpha.c (alpha_option_overrride): Default to
496 full IEEE compliance mode for Go language.
497
498 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
499
500 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
501 (LINK_SSP_SPEC): Define.
502
503 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
504
505 PR target/51871
506 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
507 stubs.
508
509 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
510
511 * doc/invoke.texi: Correct hyphenation of "floating point",
512 "double precision", and related terminology throughout the file.
513
514 2012-01-28 Jakub Jelinek <jakub@redhat.com>
515
516 PR target/52006
517 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
518 arm_general_register_operand predicate for operand 2 instead of
519 register_operand.
520
521 2012-01-27 Ian Lance Taylor <iant@google.com>
522
523 PR go/47656
524 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
525 * builtins.c (expand_builtin_init_trampoline): Add onstack
526 parameter. Change caller.
527 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
528 * tree.c (build_common_builtin_nodes): Declare
529 __builtin_init_heap_trampoline.
530
531 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
532
533 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
534 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
535 * config/avr/avr.c: Ditto.
536 (avr_regnames): Remove because unused.
537 * config/avr/avr.md (*cpse.ne): New peephole.
538 (*cpse.eq): New peephole from former cpse peepholes.
539
540 2012-01-27 Michael Eager <eager@eagercon.com>
541
542 * config/microblaze.c (microblaze_emit_compare): Correct
543 test after pcmp instruction.
544
545 2012-01-27 Richard Guenther <rguenther@suse.de>
546
547 PR tree-optimization/52020
548 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
549
550 2012-01-27 Richard Guenther <rguenther@suse.de>
551
552 * ipa-pure-const.c (check_stmt): Clobbers do not make a
553 function non-const/pure.
554
555 2012-01-27 Richard Guenther <rguenther@suse.de>
556
557 PR tree-optimization/50444
558 * tree-sra.c (build_ref_for_offset): Properly adjust the
559 MEM_REF type for unaligned accesses.
560
561 2012-01-27 Richard Guenther <rguenther@suse.de>
562
563 PR tree-optimization/50444
564 * expr.c (mem_ref_refers_to_non_mem_p): New function.
565 (expand_assignment): Use it. Properly handle misaligned
566 bases when expanding stores to component references.
567 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
568 refactor that case.
569
570 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
571
572 PR middle-end/51389
573 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
574 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
575 * tree-data-ref.c (find_data_references_in_loop): Make static.
576 (compute_all_dependences): Change return type to bool. Bail out
577 for too many datarefs in a loop. Move the hunk resetting the data
578 dependences vector from ...
579 (compute_data_dependences_for_loop): ... here. Account for
580 compute_all_dependences returning false.
581 (compute_data_dependences_for_bb): Likewise.
582 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
583 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
584
585 2012-01-27 Richard Guenther <rguenther@suse.de>
586
587 PR middle-end/51959
588 * expr.c (store_field): Use the alias-set of the scratch memory
589 for storing to it.
590
591 2012-01-27 Tom de Vries <tom@codesourcery.com>
592
593 PR tree-optimization/51990
594 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
595 WITH_SIZE_EXPR.
596 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
597
598 2012-01-27 Jakub Jelinek <jakub@redhat.com>
599
600 PR debug/52001
601 * var-tracking.c (reverse_op): Don't add any reverse operation
602 if V already has any constant locations.
603
604 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
605
606 * doc/invoke.texi: Correct usage of "command line" (noun)
607 vs "command-line" (adjective) throughout.
608
609 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
610
611 * doc/invoke.texi (Language Independent Options): Move
612 -Wcoverage-mismatch blurb from here....
613 (Warning Options): ...to here.
614
615 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
616
617 * config/rs6000/rs6000.c (rs6000_option_override_internal):
618 Set rs6000_always_hint to false for 476.
619
620 2012-01-27 Matthias Klose <doko@ubuntu.com>
621
622 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
623 system root.
624 * incpath.c (add_standard_paths): Likewise.
625
626 2012-01-27 Richard Henderson <rth@redhat.com>
627
628 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
629 * config/m68k/sync.md (atomic_test_and_set): Rename from
630 sync_test_and_setqi and adjust the operands.
631 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
632 and unconditionally enable.
633
634 2012-01-27 Richard Henderson <rth@redhat.com>
635
636 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
637 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
638 (ldstub): Rename from ldstubqi.
639 (ldstub<I24MODE>): Remove.
640
641 2012-01-27 Richard Henderson <rth@redhat.com>
642
643 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
644 * c-cppbuiltin.c (cpp_atomic_builtins): Define
645 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
646 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
647 * doc/tm.texi: Rebuild.
648
649 2012-01-27 Richard Henderson <rth@redhat.com>
650
651 * optabs.c (gen_atomic_test_and_set): Remove default.
652 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
653
654 2012-01-26 Jakub Jelinek <jakub@redhat.com>
655
656 PR rtl-optimization/51978
657 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
658 (combine_reaching_defs): Likewise.
659 (struct re_info): Remove.
660 (add_removable_extension): Remove x and data arguments,
661 add insn, insn_list and def_map. Use the arguments directly
662 instead of using struct re_info.
663 (find_removable_extensions): Don't call add_removable_extension
664 through note_stores, instead just call it with single_set
665 result if non-NULL.
666 (find_and_remove_re): Pass curr_cand->expr instead of
667 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
668
669 2012-01-26 Michael Matz <matz@suse.de>
670
671 PR tree-optimization/46590
672 * cfgexpand.c: Revert last change (r183305).
673 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
674 regs.
675 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
676 checking for emptiness.
677
678 2012-01-26 Jakub Jelinek <jakub@redhat.com>
679
680 PR middle-end/51895
681 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
682 non-addressable non-BLKmode base correctly.
683
684 2012-01-26 Michael Matz <matz@suse.de>
685
686 PR tree-optimization/48794
687 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
688 regions referenced from RESX/EH_DISPATCH.
689
690 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
691
692 * config/s390/s390.h: Make BRANCH_COST an option.
693 * config/s390/s390.opt: New option -mbranch-cost.
694
695 2012-01-26 Richard Henderson <rth@redhat.com>
696
697 Revert 2012-01-24 change:
698 * trans-mem.c (requires_barrier): Do not instrument thread local
699 variables and emit save/restore for them.
700
701 2012-01-25 Jakub Jelinek <jakub@redhat.com>
702
703 PR middle-end/51986
704 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
705 for pat == 0.
706
707 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
708
709 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
710 ASM_OPERANDS.
711
712 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
713
714 PR target/49868
715 Rename __pgm to __flash.
716 Rename __pgm1 to __flash1.
717 Rename __pgm2 to __flash2.
718 Rename __pgm3 to __flash3.
719 Rename __pgm4 to __flash4.
720 Rename __pgm5 to __flash5.
721 Rename __pgmx to __memx.
722 * doc/extend.texi (AVR Named Address Spaces)
723 Rename address space names as indicated above.
724 * config/avr/avr.c (avr_addrspace): Ditto.
725
726 * config/avr/avr-protos.h
727 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
728 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
729 * config/avr/predicates.md: Ditto.
730 * config/avr/avr.c Ditto, and
731 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
732 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
733
734 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
735 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
736 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
737 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
738 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
739 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
740 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
741 * config/avr/avr.c: Ditto.
742 * config/avr/avr.md: Ditto.
743
744 2012-01-25 Jason Merrill <jason@redhat.com>
745
746 PR c++/51992
747 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
748
749 2012-01-25 Jakub Jelinek <jakub@redhat.com>
750
751 PR tree-optimization/51987
752 * tree-data-ref.c (get_references_in_stmt): Handle references in
753 non-volatile GIMPLE_ASM.
754
755 2012-01-25 Richard Guenther <rguenther@suse.de>
756
757 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
758 bases are dereferenced.
759
760 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
761
762 PR rtl-optimization/48374
763 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
764
765 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
766
767 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
768 compute_data_dependences_for_loop returns false.
769 * tree-parloops.c (loop_parallel_p): Likewise.
770
771 2012-01-25 Richard Guenther <rguenther@suse.de>
772
773 * tree.h (get_pointer_alignment_1): Declare.
774 * builtins.c (get_pointer_alignment_1): New function.
775 (get_pointer_alignment): Use it.
776
777 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
778
779 PR rtl-optimization/48308
780 * combine.c (enum undo_kind): Add UNDO_LINKS.
781 (struct undo): Add member l to other_contents and where.
782 (do_SUBST_LINK): New.
783 (SUBST_LINK): New.
784 (try_combine): Handle LOG_LINKS for the dummy i1 case.
785 (undo_all): Handle UNDO_LINKS.
786
787 2012-01-25 Richard Henderson <rth@redhat.com>
788
789 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
790 mem inputs.
791
792 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
793
794 * optabs.c (gen_atomic_test_and_set): Use each argument.
795
796 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
797
798 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
799 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
800 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
801 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
802 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
803 TARGET_PAIRED_SINGLE_FLOAT.
804
805 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
806
807 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
808 (in_struct, return_val): Remove MEM documentation.
809 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
810 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
811 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
812 and MEM_SCALAR.
813 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
814 * cfgexpand.c (add_alias_set_conflicts): Likewise.
815 * expr.c (store_field): Likewise.
816 * function.c (assign_stack_temp_for_type): Likewise.
817 * ifcvt.c (noce_try_cmove_arith): Likewise.
818 * reload1.c (reload): Likewise.
819 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
820 (alpha_set_memflags): Likewise.
821 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
822
823 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
824
825 * rtl.h (true_dependence, canon_true_dependence): Remove varies
826 parameter.
827 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
828 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
829 (true_dependence_1, true_dependence, canon_true_dependence): Remove
830 varies parameter.
831 * cselib.c (cselib_rtx_varies_p): Delete.
832 (cselib_invalidate_mem): Update call to canon_true_dependence.
833 * dse.c (record_store, check_mem_read_rtx): Likewise.
834 (scan_reads_nospill): Likewise.
835 * cse.c (check_dependence): Likewise.
836 (cse_rtx_varies_p): Delete.
837 * expr.c (safe_from_p): Update call to true_dependence.
838 * ira.c (validate_equiv_mem_from_store): Likewise.
839 (memref_referenced_p): Likewise.
840 * postreload-gcse.c (find_mem_conflicts): Likewise.
841 * sched-deps.c (sched_analyze_2): Likewise.
842 * store-motion.c (load_kills_store): Likewise.
843 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
844 * gcse.c (mems_conflict_for_gcse_p): Likewise.
845 (compute_transp): Update call to canon_true_dependence.
846
847 2012-01-25 Richard Henderson <rth@redhat.com>
848
849 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
850 (maybe_emit_atomic_test_and_set): New.
851 (expand_sync_lock_test_and_set): Use it.
852 (expand_atomic_test_and_set): Likewise.
853 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
854 the implementation; clarify implementation defined details.
855 * doc/md.texi (atomic_test_and_set): Document.
856
857 2012-01-25 Richard Henderson <rth@redhat.com>
858
859 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
860
861 2012-01-25 Richard Henderson <rth@redhat.com>
862
863 PR target/51968
864 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
865 to effect no-op split.
866
867 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
868
869 PR lto/51698
870 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
871 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
872 (BT_FN_VOID_PTR_INT_SIZE): New.
873 (BT_FN_UINT_UINT_VAR): Remove.
874 (BT_FN_UINT32_UINT32_VAR): New.
875 (BT_FN_DOUBLE_VPTR): Remove.
876 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
877
878 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
879 (_ITM_changeTransactionMode): Same.
880 (_ITM_memmoveRtWt): Change return type to void.
881 (_ITM_memcpyRtWt): Same.
882 (_ITM_memsetW): Same.
883 (_ITM_RaRD): Change types to double.
884 (_ITM_RD): Same.
885 (_ITM_RaWD): Same.
886 (_ITM_RfWD): Same.
887
888 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
889
890 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
891 Patrick Marlier <patrick.marlier@gmail.com>
892
893 * trans-mem.c (requires_barrier): Do not instrument thread local
894 variables and emit save/restore for them.
895
896 2012-01-24 Jason Merrill <jason@redhat.com>
897
898 PR c++/51812
899 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
900 output static aliases.
901
902 2012-01-24 Jakub Jelinek <jakub@redhat.com>
903
904 PR driver/47249
905 * common.opt (-pie, -shared, pie, shared): Change from Common to
906 Driver.
907 * gcc.c (display_help): Display help for -pie and -shared.
908
909 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
910
911 PR target/49868
912 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
913 Remove note on size/offset limitation.
914 (AVR Variable Attributes): Add example how to read data located
915 with progmem. Refer to named address spaces.
916 * doc/invoke.texi (AVR Options): Fix typo.
917
918 2012-01-24 Richard Guenther <rguenther@suse.de>
919
920 Forward-port to trunk
921 2010-09-21 Jakub Jelinek <jakub@redhat.com>
922
923 PR middle-end/45678
924 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
925 op0 isn't sufficiently aligned and there is movmisalignM
926 insn for mode, use it to load op0 into a temporary register.
927
928 2012-01-24 Jakub Jelinek <jakub@redhat.com>
929
930 PR target/51957
931 * target.def (const_not_ok_for_debug_p): New hook.
932 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
933 documentation.
934 * doc/tm.texi: Regenerated.
935 * dwarf2out.c (const_ok_for_output_1): If
936 targetm.const_not_ok_for_debug_p returns true, fail.
937 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
938 function.
939 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
940
941 2012-01-23 Kai Tietz <ktietz@redhat.com>
942
943 PR target/51900
944 * config/i386/predicates.md (symbolic_operand): Allow
945 UNSPEC_PCREL as PIC expression for lea.
946 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
947 * config/i386/i386.c (ix86_delegitimize_address): Handle
948 UNSPEC_PCREL for none-MEM, too.
949
950 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
951
952 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
953 (ipa_tm_create_version_alias): Same.
954
955 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
956
957 PR libitm/51830
958 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
959 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
960
961 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
962 Patrick Marlier <patrick.marlier@gmail.com>
963 Iain Sandoe <developer@sandoe-acoustics.co.uk>
964
965 PR lto/51916
966 * lto-wrapper.c (run_gcc): Pass the LTO section name to
967 simple_object_start_read.
968
969 2012-01-23 Richard Guenther <rguenther@suse.de>
970
971
972 PR tree-optimization/51895
973 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
974 parameter decomposition into BLKmode components.
975
976 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
977
978 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
979 fake variables for restrict-qualified pointers whose pointed-to type
980 contains a placeholder.
981
982 2012-01-23 Richard Guenther <rguenther@suse.de>
983
984 PR tree-optimization/51949
985 * ipa-split.c (execute_split_functions): Do not split malloc functions.
986
987 2012-01-23 Jakub Jelinek <jakub@redhat.com>
988
989 PR rtl-optimization/51933
990 * ree.c (transform_ifelse): Return true right away if dstreg is
991 already wider or equal to cand->mode.
992 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
993 (make_defs_and_copies_lists): Remove defs_list and copies_list
994 arguments, add state argument, just truncate state->work_list
995 instead of always allocating and freeing the vector. Assert that
996 get_defs succeeds instead of returning 2. Changed return type to bool.
997 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
998 have ext_src_mode, see if it has been modified already with the
999 right kind of extension and has been extended before from the
1000 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1001 just return true. Remember the original mode in state->modified array.
1002 (combine_reaching_defs): Add state argument. Don't allocate and
1003 free here def_list, copied_list and vec vectors, instead just
1004 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1005 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1006 Add state variable, clear vectors in it, initialize state.modified
1007 if needed. Free all the vectors at the end and state.modified too.
1008 Don't skip a candidate if the extension expression has been modified.
1009
1010 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1011
1012 PR target/47096
1013 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1014 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1015 (extra_options) interix.opt -> i386/interix.opt"
1016 (extra_objs):Add winnt-stubs.o
1017 * configure.ac: Add interix to target_os .comm on PE check.
1018 * configure: Regenerate.
1019 * config/interix3.h: Delete and move bits to..
1020 * config/interix.h: Delete and move bits to..
1021 * config/i386/i386-interix3.h: Delete and move bits to..
1022 * config/i386/i386-interix.h: ..here.
1023 (TARGET_CPU_DEFAULT): Remove redefinition.
1024 (TARGET_ASM_CONSTRUCTOR): Undefine.
1025 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1026 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1027 (PTRDIFF_TYPE): Define.
1028 (LONG_DOUBLE_TYPE_SIZE): Define.
1029 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1030 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1031 (TARGET_SECTION_TYPE_FLAGS): Define.
1032 (ASM_DECLARE_FUNCTION_NAME): Define.
1033 (ASM_OUTPUT_EXTERNAL): Define.
1034 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1035 (ASM_OUTPUT_ALIGNED_BSS): Define.
1036 (PCC_BITFIELD_TYPE_MATTERS): Define.
1037 (USE_CONST_SECTION): Define.
1038 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1039 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1040 (SUPPORTS_ONE_ONLY): Remove.
1041 (I386_PE_STRIP_ENCODING): Define.
1042 * config/interix.opt: Delete and move bits to..
1043 * config/i386/interix.opt: ..here. New.
1044 (mpe-aligned-commons): Add.
1045 * config/i386/t-interix: Add copyright header.
1046 (winnt-stubs.o): Add rule.
1047
1048 2012-01-22 Jason Merrill <jason@redhat.com>
1049
1050 PR c++/51832
1051 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1052 for extra name aliases.
1053
1054 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1055
1056 PR rtl-optimization/51924
1057 * ree.c (combine_set_extension): Improve debugging message.
1058 (combine_reaching_defs): Likewise.
1059 (get_defs): Rename confusingly named variable.
1060 (find_and_remove_re): Skip a candidate if the extension expression has
1061 been modified.
1062
1063 2012-01-21 Robert Millan <rmh@gnu.org>
1064 Gerald Pfeifer <gerald@pfeifer.com>
1065
1066 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1067 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1068
1069 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1070
1071 PR tree-optimization/51914
1072 * tree-vect-stmts.c (vectorizable_conversion): For
1073 cvt_type && modifier == WIDEN, put temporary with cvt_type
1074 at the beginning of vec_dsts and set vec_dest to temporary
1075 with vectype_out.
1076
1077 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1078
1079 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1080
1081 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1082
1083 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1084 * config/rs6000/rs6000.c: Likewise.
1085
1086 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1087
1088 PR target/51915
1089 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1090 output_move_double on a copy of operands array.
1091
1092 2012-01-20 Cary Coutant <ccoutant@google.com>
1093 Dodji Seketeli <dodji@redhat.com>
1094
1095 PR debug/45682
1096 * dwarf2out.c (copy_declaration_context): Return ref to parent
1097 of declaration DIE, if necessary.
1098 (remove_child_or_replace_with_skeleton): Add new parameter; update
1099 caller. Place skeleton DIE under parent DIE of original declaration.
1100 Move call to copy_declaration_context to here ...
1101 (break_out_comdat_types): ... from here.
1102
1103 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1104
1105 PR rtl-optimization/51856
1106 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1107 flag to reloaded.
1108
1109 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1110
1111 PR target/51819
1112 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1113 hints for neon loads and stores.
1114
1115 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1116
1117 PR target/49868
1118 PR target/50887
1119 * doc/extend.texi (Named Address Spaces): Split into subsections.
1120 (AVR Named Address Spaces): New subsection.
1121 (M32C Named Address Spaces): New subsection.
1122 (RL78 Named Address Spaces): New subsection.
1123 (SPU Named Address Spaces): New subsection.
1124 (Variable Attributes): New anchor "AVR Variable Attributes".
1125 (AVR Variable Attributes): Rewrite and avoid wording
1126 "address space" in this context.
1127 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1128 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1129 (AVR Built-in Macros): New subsubsection therein.
1130 * doc/md.texi (AVR constraints): Remove "C04", "R".
1131
1132 2012-01-20 Richard Guenther <rguenther@suse.de>
1133
1134 PR tree-optimization/51903
1135 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1136 when removing stmts.
1137
1138 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1139
1140 PR target/50313
1141 * config/arm/arm.c (arm_load_pic_register): Use
1142 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1143 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1144 (arm_pic_static_addr): Likewise.
1145 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1146 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1147 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1148 (pic_load_addr_unified): New.
1149
1150 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1151
1152 PR target/51106
1153 * function.c (instantiate_virtual_regs_in_insn): Use
1154 delete_insn_and_edges when removing a wrong asm insn.
1155
1156 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1157
1158 PR rtl-optimization/40761
1159 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1160 Add new member loop_num.
1161 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1162 (ira_build): Remove the parameter.
1163
1164 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1165 (ira.c): Do not build CFG loops for one region allocation. Remove
1166 argument from ira_build call.
1167
1168 * ira-build.c (init_loop_tree_node): New function.
1169 (create_loop_tree_nodes): Use it. Separate the case when CFG
1170 loops are not built.
1171 (more_one_region_p): Check current_loops.
1172 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1173 built.
1174 (add_loop_to_tree): Process loop equal to NULL too.
1175 (form_loop_tree): Separate the case when CFG loops are not built.
1176 Use explicitly number for the root.
1177 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1178 an assertion.
1179 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1180 instead of loop->num.
1181 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1182 (mark_all_loops_for_removal): Ditto.
1183 (remove_unnecessary_regions): Separate the case when CFG loops
1184 are not built.
1185 (ira_build): Remove the parameter. Use explicit number of regions
1186 when CFG loops are not built.
1187
1188 * ira-color.c (print_loop_title): Separate the case for the root node.
1189 Use loop_num instead of loop->num.
1190 (move_spill_restore): Use loop_num instead of loop->num.
1191
1192 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1193 (change_loop): Ditto.
1194 (change_loop): Use loop_num instead of loop->num.
1195
1196 * ira-lives.c (process_bb_node_lives): Ditto.
1197
1198 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1199
1200 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1201
1202 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1203
1204 PR libmudflap/40778
1205 * tree-mudflap.c (mf_artificial): New function.
1206 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1207 mx_register_decls, mudflap_enqueue_decl): Use it.
1208
1209 PR target/51876
1210 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1211 numbers in the insn pattern.
1212
1213 2012-01-19 Michael Matz <matz@suse.de>
1214
1215 PR tree-optimization/46590
1216 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1217 use it in remembering which conflicts we already created.
1218 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1219 bitmap.
1220
1221 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1222
1223 PR lto/51280
1224 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1225 (merge_and_complain): Same.
1226
1227 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1228
1229 PR bootstrap/50237
1230 * config/initfini-array.h: Guard content of the header
1231 with #ifdef HAVE_INITFINI_ARRAY.
1232 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1233 Add initfini-array.h to tm_file here.
1234 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1235 * config.gcc: Don't add initfini-array.h to tm_file here.
1236 * configure: Regenerated.
1237
1238 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1239
1240 PR rtl-optimization/51505
1241 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1242 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1243 (df_note_bb_compute): Update the call to df_kill_notes.
1244
1245 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1246
1247 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1248
1249 2012-01-18 Richard Guenther <rguenther@suse.de>
1250
1251 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1252 of conversions to void *.
1253
1254 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1255 Richard Sandiford <rdsandiford@googlemail.com>
1256
1257 PR middle-end/50325
1258 PR middle-end/51192
1259 * optabs.h (simplify_expand_binop): Declare.
1260 * optabs.c (simplify_expand_binop): Make global.
1261 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1262 endian targets if the source cannot be exactly covered by word
1263 mode chunks.
1264
1265 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1266
1267 PR bootstrap/51872
1268 * hard-reg-set.h (struct hard_reg_set_container): New type.
1269 * target.h (struct hard_reg_set_container): Forward declare.
1270 * target.def (set_up_by_prologue): New target hook.
1271 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1272 * doc/tm.texi: Regenerated.
1273 * function.c (thread_prologue_and_epilogue_insns): Change
1274 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1275 Call targetm.set_up_by_prologue on it.
1276 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1277 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1278
1279 2012-01-17 Nick Clifton <nickc@redhat.com>
1280
1281 * config/rx/rx.c (rx_can_use_simple_return): New function.
1282 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1283 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1284
1285 2012-01-17 Richard Guenther <rguenther@suse.de>
1286
1287 PR middle-end/51782
1288 * expr.c (expand_assignment): Take address-space information
1289 from the address operand of MEM_REF and TARGET_MEM_REF.
1290 (expand_expr_real_1): Likewise.
1291
1292 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1293
1294 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1295 reload dump is requested.
1296
1297 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1298
1299 PR other/51165
1300 * trans-mem.c (requires_barrier): Call may_be_aliased.
1301
1302 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1303
1304 PR tree-optimization/51877
1305 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1306 call arguments and fndecls compare equal, instead return false if they
1307 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1308 both SSA_NAMEs that are valueized the same, or they satisfy
1309 operand_equal_p.
1310
1311 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1312
1313 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1314 Solaris 11+.
1315 * configure: Regenerate.
1316
1317 2012-01-16 Jan Hubicka <jh@suse.cz>
1318
1319 PR c/12245
1320 PR c++/14179
1321 * convert.c (convert_to_integer): Use fold_convert for
1322 converting an INTEGER_CST to integer type.
1323
1324 2012-01-16 Jason Merrill <jason@redhat.com>
1325
1326 PR c++/14179
1327 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1328
1329 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1330
1331 PR bootstrap/51860
1332 * config/s390/s390.c (s390_chunkify_start): Don't skip
1333 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1334 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1335 If insn is followed by NOTE_INSN_VAR_LOCATION or
1336 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1337 Don't use location of note insns.
1338
1339 PR tree-optimization/51865
1340 * tree-inline.c (tree_function_versioning): Call remap_decl
1341 on DECL_RESULT whenever it has VOID_TYPE_P type.
1342
1343 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1344
1345 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1346 for calls to locally-binding MIPS16 functions if only the return
1347 type uses float regs.
1348
1349 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1350 Richard Sandiford <rdsandiford@googlemail.com>
1351
1352 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1353 (SYMBOL_32_HIGH): Likewise.
1354 (mips_output_tls_reloc_directive): Declare.
1355 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1356 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1357 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1358 (mips_lo_relocs, mips_hi_relocs): Make extern.
1359 (mips16_stub_function): Move up file.
1360 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1361 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1362 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1363 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1364 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1365 (mips_get_tp): Add MIPS16 support.
1366 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1367 Generalize DTPREL and TPREL handling.
1368 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1369 Add MIPS16 TLS support.
1370 (mips_output_tls_reloc_directive): New function.
1371 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1372 * config/mips/predicates.md (symbolic_operand_with_high)
1373 (tls_reloc_operand): New predicates.
1374 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1375 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1376 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1377 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1378 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1379 (*tls_get_tp_mips16_call_<mode>): Likewise.
1380
1381 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1382
1383 PR rtl-optimization/51821
1384 * recog.c (peep2_find_free_register): Determine clobbered registers
1385 from insn pattern.
1386
1387 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1388
1389 PR target/50925
1390 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1391 * config/avr/avr.c: Likewise.
1392 * config/avr/avr.h: Likewise.
1393
1394 2012-01-13 Ian Lance Taylor <iant@google.com>
1395
1396 PR c++/50012
1397 * tree.h (TYPE_QUALS): Add cast to int.
1398 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1399
1400 2012-01-13 Ian Lance Taylor <iant@google.com>
1401
1402 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1403 comparing param_index to VEC_length result.
1404
1405 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1406
1407 * c-decl.c: Do not include tree-mudflap.h
1408 * tree-optimize.c: Likewise.
1409 * Makefile.in: Update dependencies.
1410
1411 2012-01-13 Richard Guenther <rguenther@suse.de>
1412
1413 PR middle-end/8081
1414 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1415 variable-sized result always use RSO.
1416
1417 2012-01-12 DJ Delorie <dj@redhat.com>
1418
1419 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1420 pointer type, not just the default pointer type.
1421
1422 2012-01-09 Richard Henderson <rth@redhat.com>
1423 Denis Chertykov <chertykov@gmail.com>
1424
1425 PR target/50925
1426 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1427 * config/avr/avr.c (avr_can_eliminate): Simplify.
1428 (avr_initial_elimination_offset): Likewise.
1429 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1430 (expand_epilogue): Likewise.
1431 (avr_legitimize_address): Gut.
1432 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1433 (avr_hard_regno_nregs): New.
1434 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1435 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1436 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1437 add soft frame pointer.
1438 (CALL_USED_REGISTERS): Likewise.
1439 (REG_CLASS_CONTENTS): Likewise.
1440 (REGISTER_NAMES): Likewise.
1441 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1442 (HARD_FRAME_POINTER_REGNUM): New.
1443 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1444 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1445 remove the HARD_FRAME_POINTER self-elimination.
1446
1447 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1448
1449 PR target/51756
1450 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1451 DECL_EXTERNAL when checking for initializers of progmem variables.
1452
1453 2012-01-12 Ira Rosen <irar@il.ibm.com>
1454
1455 PR tree-optimization/51799
1456 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1457 that the last operation is a type demotion.
1458
1459 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1460
1461 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1462 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1463
1464 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1465
1466 PR bootstrap/51796
1467 * combine.c (distribute_notes): If i3 is a noreturn call,
1468 allow old_size to be equal to args_size and make sure the
1469 noreturn call gets REG_ARGS_SIZE note.
1470 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1471 on noreturn calls even when the delta is 0.
1472
1473 2012-01-11 Nathan Sidwell <nathan@acm.org>
1474
1475 * gcov.c (STRING_SIZE): Remove.
1476 (generate_results): Erase annotations for source files with no
1477 coverage information.
1478 (read_line): New.
1479 (output_lines): Use it.
1480
1481 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1482
1483 * gimple.h (gimplify_body): Remove first argument.
1484 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1485 pointer set here, instead just pass DATA to walk_tree.
1486 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1487 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1488 (unvisit_body): Likewise, but with unmark_visited.
1489 (gimplify_body): Remove BODY_P argument and adjust.
1490 (gimplify_function_tree): Adjust call to gimplify_body.
1491 * omp-low.c (finalize_task_copyfn): Likewise.
1492
1493 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1494
1495 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1496 (build_function_type_skip_args): Delete.
1497 * tree.c (build_function_type_skip_args): Make static and add
1498 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1499 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1500 pass it to build_function_type_skip_args.
1501 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1502 (tree_function_versioning): Likewise.
1503 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1504 build_function_decl_skip_args.
1505 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1506 and pass it to build_function_decl_skip_args/tree_function_versioning.
1507 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1508 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1509 * trans-mem.c (ipa_tm_create_version): Likewise.
1510 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1511 * tree-inline.c (declare_return_variable): Remove always-true test.
1512 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1513 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1514 * ipa-split.c (split_function): Skip the return value for the split
1515 part if it doesn't return.
1516
1517 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1518
1519 PR tree-optimization/49642
1520 * ipa-split.c (forbidden_dominators): New variable.
1521 (check_forbidden_calls): New function.
1522 (dominated_by_forbidden): Likewise.
1523 (consider_split): Check for forbidden dominators.
1524 (execute_split_functions): Initialize and free forbidden
1525 dominators info; call check_forbidden_calls.
1526
1527 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1528
1529 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1530
1531 2012-01-11 Nick Clifton <nickc@redhat.com>
1532
1533 * config/rx/rx.md (return): Define pattern.
1534
1535 2012-01-11 Richard Guenther <rguenther@suse.de>
1536
1537 * doc/extend.texi (malloc attribute): Adjust according to
1538 implementation.
1539
1540 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1541 Patrick Marlier <patrick.marlier@gmail.com>
1542
1543 PR middle-end/51516
1544 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1545 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1546 (ipa_tm_note_irrevocable): Same.
1547 (ipa_tm_scan_irr_block): Same.
1548 (ipa_tm_decrement_clone_counts): Same.
1549 (ipa_tm_scan_irr_function): Same.
1550 (ipa_tm_create_version_alias): Same.
1551 (ipa_tm_create_version): Same.
1552 (ipa_tm_transform_calls_redirect): Same.
1553 (ipa_tm_transform_calls): Same.
1554 (ipa_tm_transform_transaction): Same.
1555 (ipa_tm_execute): Same.
1556
1557 2012-01-10 Richard Guenther <rguenther@suse.de>
1558
1559 PR middle-end/51806
1560 * opts.c (common_handle_option): Handle -Werror.
1561
1562 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1563
1564 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1565 operand number.
1566
1567 2012-01-10 Jason Merrill <jason@redhat.com>
1568
1569 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1570 information.
1571
1572 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1573
1574 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1575 supports R_386_TLS_GD_PLT reloc.
1576 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1577 supports R_386_TLS_LDM_PLT reloc.
1578 * configure: Regenerate.
1579 * config.in: Regenerate.
1580
1581 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1582
1583 PR target/49868
1584 Extend __pgmx semantics to linearize memory.
1585 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1586 determine if code comes inline or from libgcc.
1587 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1588 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1589 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1590 (movmemx_qi, movmemx_hi): New insns.
1591 (xload_<mode>_libgcc): Rewrite to new insn condition.
1592 (xload_<mode>): Remove insns.
1593 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1594 cases that don't satisfy avr_xload_libgcc_p().
1595 (avr_addr_space_convert): Allow converting in any direction.
1596 (avr_addr_space_subset_p): Return always true.
1597 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1598 (avr_emit_movmemhi): Ditto.
1599 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1600 (avr_out_movmem): Ditto.
1601 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1602 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1603 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1604 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1605 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1606
1607 2012-01-10 Richard Guenther <rguenther@suse.de>
1608
1609 PR tree-optimization/50913
1610 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1611 Require data-refs to be representable by Graphite with respect
1612 to any loop nest.
1613
1614 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1615
1616 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1617 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1618
1619 2012-01-10 Tom de Vries <tom@codesourcery.com>
1620
1621 PR rtl-optimization/51271
1622 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1623 handling annulled branch.
1624
1625 2012-01-10 Richard Henderson <rth@redhat.com>
1626
1627 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1628 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1629 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1630 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1631 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1632 arm_expand_vec_perm_const): New.
1633 * config/arm/arm-protos.h: Update.
1634 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1635 (*neon_vswp<VDQX>): New.
1636 (neon_vcombine<VDX>): Use neon_split_vcombine.
1637 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1638 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1639 (vec_perm<VE>): New.
1640
1641 2012-01-10 Richard Henderson <rth@redhat.com>
1642
1643 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1644 use it if reload_completed.
1645 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1646 arm_output_asm_insn, arm_process_output_memory_barrier,
1647 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1648 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1649 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1650 arm_process_output_sync_insn, arm_output_sync_insn,
1651 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1652 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1653 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1654 (emit_unlikely_jump): New.
1655 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1656 (arm_split_atomic_op): New.
1657 * config/arm/arm-protos.h: Update.
1658 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1659 (struct arm_sync_generator): Remove.
1660 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1661 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1662 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1663 (VUNSPEC_LL, VUNSPEC_SC): New.
1664 (sync_result, sync_memory, sync_required_value, sync_new_value,
1665 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1666 (attr length): Don't use arm_sync_loop_insns.
1667 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1668 (movsfcc, movdfcc): Likewise.
1669 * config/arm/constraints.md (Ua): New.
1670 * config/arm/prediates.md (mem_noofs_operand): New.
1671 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1672 (sync_clobber, sync_t2_reqd): Remove.
1673 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1674 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1675 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1676 (arm_sync_compare_and_swap<SIDI>): Remove.
1677 (arm_sync_compare_and_swap<NARROW>): Remove.
1678 (arm_sync_lock_test_and_set<SIDI>): Remove.
1679 (arm_sync_lock_test_and_set<NARROW>): Remove.
1680 (arm_sync_new_<syncop><SIDI>): Remove.
1681 (arm_sync_new_<syncop><NARROW>): Remove.
1682 (arm_sync_new_nand<SIDI>): Remove.
1683 (arm_sync_new_nand<NARROW>): Remove.
1684 (arm_sync_old_<syncop><SIDI>): Remove.
1685 (arm_sync_old_<syncop><NARROW>): Remove.
1686 (arm_sync_old_nand<SIDI>): Remove.
1687 (arm_sync_old_nand<NARROW>): Remove.
1688 (*memory_barrier): Merge arm_output_memory_barrier.
1689 (atomic_compare_and_swap<QHSD>): New.
1690 (atomic_compare_and_swap<NARROW>_1): New.
1691 (atomic_compare_and_swap<SIDI>_1): New.
1692 (atomic_exchange<QHSD>): New.
1693 (cas_cmp_operand, cas_cmp_str): New.
1694 (atomic_op_operand, atomic_op_str): New.
1695 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1696 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1697 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1698 (arm_load_exclusive<NARROW>): New.
1699 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1700 (arm_store_exclusive<QHSD>): New.
1701
1702 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1703
1704 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1705 reload patterns if -mvsx-scalar-memory.
1706
1707 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1708 generated, even -mno-vsx-scalar-double was used.
1709 (vsx_xscvdpsp_scalar): Likewise.
1710 (vsx_xscvspdp_scalar2): Likewise.
1711
1712 2012-01-09 Tom de Vries <tom@codesourcery.com>
1713 Andrew Pinski <apinski@cavium.com>
1714
1715 PR debug/51471
1716 * reorg.c (fill_slots_from_thread): Don't speculate
1717 frame-related insns.
1718
1719 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1720
1721 * sched-int.h (bb_note): Move to...
1722 * basic-block.h: ...here.
1723 * haifa-sched.c (bb_note): Move to...
1724 * cfgrtl.c: ...here.
1725 * function.c (next_block_for_reg): New function.
1726 (move_insn_for_shrink_wrap): Likewise.
1727 (prepare_shrink_wrap): Rewrite to use the above.
1728
1729 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1730
1731 * gimple.c (is_gimple_non_addressable): Remove.
1732 * gimple.h: Remove is_gimple_non_addressable.
1733 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1734 is_gimple_non_addressable.
1735 * trans-mem.c (expand_assign_tm): Same.
1736
1737 2012-01-09 Richard Guenther <rguenther@suse.de>
1738
1739 PR tree-optimization/51775
1740 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1741 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1742
1743 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1744
1745 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1746 tuning parameters.
1747 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1748
1749 2012-01-09 Richard Guenther <rguenther@suse.de>
1750
1751 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1752
1753 2012-01-08 Jan Hubicka <jh@suse.cz>
1754
1755 PR tree-optimize/51680
1756 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1757 on when known_vals needs to be computed; cleanup.
1758
1759 2012-01-08 Jan Hubicka <jh@suse.cz>
1760
1761 PR tree-optimize/51694
1762 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1763
1764 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1765
1766 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1767 for -std=c++98 and -std=c++11 too.
1768
1769 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1770
1771 * cfgloop.c (cancel_loop): Add free() of bbs array.
1772
1773 2012-01-07 Jan Hubicka <jh@suse.cz>
1774
1775 PR tree-optimization/51600
1776 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1777 that benefits small functions.
1778
1779 2012-01-07 Jan Hubicka <jh@suse.cz>
1780
1781 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1782
1783 2012-01-07 Jan Hubicka <jh@suse.cz>
1784
1785 PR tree-optimization/51680
1786 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1787 whose inlining reduce unit size.
1788
1789 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1790
1791 PR bootstrap/51725
1792 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1793 Add canonical node to containing_mem chain after the non-canonical
1794 one, even if there weren't any locs to propagate.
1795 (remove_useless_values): Keep only canonical values.
1796 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1797 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1798 canonicalize mem_chain elements that are not discarded.
1799
1800 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1801
1802 PR target/47333
1803 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1804 before emitting functions.
1805
1806 PR gcov-profile/50127
1807 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1808 clear_aux_for_blocks.
1809
1810 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1811
1812 PR debug/51746
1813 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1814
1815 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1816
1817 * c-decl.c (ext_block): Moved up.
1818 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1819
1820 2012-01-06 Han Shen <shenhan@google.com>
1821
1822 Translate built-in include paths for sysroot.
1823 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1824 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1825
1826 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1827 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1828
1829 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1830 control whether sysroot should be prepended to gxx include dir.
1831
1832 * configure: Regenerate.
1833
1834 2012-01-06 Torvald Riegel <triegel@redhat.com>
1835
1836 PR rtl-optimization/51771
1837 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1838 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1839
1840 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1841
1842 PR tree-optimization/51315
1843 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1844 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1845
1846 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1847
1848 PR target/51681
1849 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1850 for shrp pattern. Correctly handle and fixup shift variable.
1851 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1852
1853 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1854
1855 PR debug/51762
1856 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1857 note when !ACCUMULATE_OUTGOING_ARGS.
1858
1859 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1860
1861 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1862 condition.
1863 (extract_range_from_unary_expr_1): Avoid useless computations.
1864
1865 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1866
1867 PR rtl-optimization/51767
1868 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1869 of jump_block and add an extra edge for degenerated asm gotos.
1870
1871 PR middle-end/51768
1872 * stmt.c (check_unique_operand_names): Don't ICE during error
1873 reporting if i is from labels chain.
1874
1875 PR middle-end/44777
1876 * profile.c (branch_prob): Split bbs that have exit edge
1877 and need a fake entry edge too.
1878
1879 2012-01-05 Jan Hubicka <jh@suse.cz>
1880
1881 PR middle-end/49710
1882 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1883 unlooping loops.
1884
1885 2012-01-05 Richard Guenther <rguenther@suse.de>
1886
1887 PR lto/50490
1888 * tree-streamer-out.c (write_ts_optimization): New function.
1889 (streamer_write_tree_body): Call it.
1890 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1891 (streamer_read_tree_body): Call it.
1892 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1893
1894 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1895
1896 PR middle-end/51761
1897 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1898 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1899 in_cleanup_point_expr before gimplify_stmt call and restore it
1900 afterwards.
1901 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1902 in_cleanup_point_expr is false.
1903
1904 2012-01-05 Richard Guenther <rguenther@suse.de>
1905
1906 PR middle-end/51764
1907 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1908 to c.opt.
1909 * toplev.c (process_options): Reject combining mudflap and LTO.
1910 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1911
1912 2012-01-05 Richard Guenther <rguenther@suse.de>
1913
1914 PR tree-optimization/51760
1915 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1916 not VARYING.
1917 (bit_value_unop): Handle UNDEFINED operands.
1918 (bit_value_binop): Likewise.
1919
1920 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1921
1922 * config/avr/avr.c (avr_replace_prefix): Remove.
1923 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1924 (avr_asm_function_rodata_section): Ditto.
1925 (avr_asm_select_section): Ditto.
1926
1927 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1928
1929 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1930 insertion.
1931
1932 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1933
1934 PR bootstrap/51648
1935 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1936 calls that have any non-fake successor edges.
1937
1938 PR debug/51746
1939 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1940
1941 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1942
1943 PR tree-optimization/51624
1944 * tree-sra.c (build_ref_for_model): When replicating a chain of
1945 COMPONENT_REFs, stop as soon as the offset would become negative.
1946
1947 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1948
1949 PR debug/51695
1950 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1951 in .debug_loc on the floor.
1952
1953 2012-01-04 Andrew Pinski <apinski@cavium.com>
1954
1955 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1956
1957 2012-01-04 Andrew Pinski <apinski@cavium.com>
1958 Adam Nemet <anemet@caviumnetworks.com>
1959
1960 * config/mips/mips.md (size): Add SI and DI.
1961 (SIZE): New mode attribute.
1962 (U): New code attribute.
1963 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1964 (mips_lbux_<mode>): Delete.
1965 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1966 (mips_lhx): Use gen_mips_lhx_extsi.
1967 (mips_lhx_<mode>): Delete.
1968 (mips_lwx): Delete.
1969 (mips_l<size>x): New expand.
1970 (mips_lwx_<mode>): Delete.
1971 (mips_l<GPR:size>x_<P:mode>): New pattern.
1972 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1973 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1974 * config/mips/mips.c (mips_lx_address_p): New function.
1975 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1976 (dsp64): New availability predicate.
1977 (mips_builtins): Add an entry for __builtin_mips_ldx.
1978 * config/mips/mips.h (ISA_HAS_LBX): New define.
1979 (ISA_HAS_LBUX): Likewise.
1980 (ISA_HAS_LHX): Likewise.
1981 (ISA_HAS_LHUX): Likewise.
1982 (ISA_HAS_LWX): Likewise.
1983 (ISA_HAS_LWUX): Likewise.
1984 (ISA_HAS_LDX): Likewise.
1985 * doc/extend.texi (__builtin_mips_ldx): Document.
1986
1987 2012-01-04 Tristan Gingold <gingold@adacore.com>
1988
1989 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1990 when long pointers are used.
1991 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1992 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1993 (ia64-hp-*vms*): Remove.
1994 * config/vms/xm-vms64.h: Delete.
1995
1996 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1997
1998 PR middle-end/51472
1999 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2000
2001 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2002
2003 * opts.c (finish_options): Remove duplicate sorry.
2004
2005 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2006
2007 PR middle-end/51696
2008 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2009 correctly.
2010
2011 2012-01-04 Richard Guenther <rguenther@suse.de>
2012
2013 PR middle-end/51750
2014 * tree.c (size_low_cst): New function.
2015 * tree.h (size_low_cst): Declare.
2016 * fold-const.c (fold_comparison): Use it to extract the low
2017 part of the POINTER_PLUS_EXPR offset.
2018
2019 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2020
2021 Fix clearing ZERO_REG
2022 * config/avr/avr.md (cc): Add alternative "ldi".
2023 (movqi_insn): Use it in cc attribute.
2024 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2025 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2026 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2027
2028 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2029
2030 * configure: Regenerate.
2031
2032 2012-01-04 Richard Guenther <rguenther@suse.de>
2033
2034 PR tree-optimization/49651
2035 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2036 (var_can_have_subvars): Use it.
2037 (get_constraint_for_1): Only consider subfields if there can be any.
2038
2039 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2040
2041 PR bootstrap/51725
2042 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2043 to its new canonical_cselib_val and the cselib_val was in
2044 first_containing_mem chain, but the canonical_cselib_val was not,
2045 add the latter into the chain.
2046 (cselib_invalidate_mem): Compare canonical_cselib_val of
2047 addr_list chain elt with v.
2048
2049 PR pch/51722
2050 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2051 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2052 of xstrdup.
2053 (output_macinfo_op): Don't ggc_strdup fd->filename.
2054 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2055 then ggc_strdup it. Don't free inc->info or cur->info.
2056 (output_macinfo): Don't free ref->info or file->info.
2057
2058 2012-01-03 Ira Rosen <irar@il.ibm.com>
2059
2060 PR tree-optimization/51269
2061 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2062 first_niters a pointer.
2063 (slpeel_tree_peel_loop_to_edge): Likewise.
2064 (vect_do_peeling_for_loop_bound): Update call to
2065 slpeel_tree_peel_loop_to_edge.
2066 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2067 here. Remove it from the parameters list.
2068 (vect_do_peeling_for_alignment): Update calls and compute
2069 wide_prolog_niters.
2070
2071 2012-01-03 Richard Guenther <rguenther@suse.de>
2072
2073 PR tree-optimization/51070
2074 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2075 Properly handle calls.
2076
2077 2012-01-03 Richard Guenther <rguenther@suse.de>
2078
2079 PR tree-optimization/51692
2080 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2081 the LHS of allocation stmts.
2082
2083 2012-01-03 Olivier Hainque <hainque@adacore.com>
2084
2085 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2086
2087 2012-01-03 Olivier Hainque <hainque@adacore.com>
2088
2089 * collect2.c (main): In AIX specific computations for vector
2090 insertions, use CONST_CAST2 to cast from char ** to const char **.
2091
2092 2012-01-03 Richard Guenther <rguenther@suse.de>
2093
2094 PR debug/51650
2095 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2096 the context of a limbo DIE when it does not already exist.
2097
2098 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2099
2100 PR tree-optimization/51719
2101 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2102 but direct call is, clear direct call's lhs and don't add fallthrough
2103 edge from dcall_bb to join_bb and PHIs.
2104
2105 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2106
2107 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2108 the instructions emitted by the pattern.
2109 ("*TDC_insn_<mode>"): Add comment.
2110
2111 2012-01-03 Richard Guenther <rguenther@suse.de>
2112
2113 PR middle-end/51730
2114 * fold-const.c (fold_comparison): Properly canonicalize
2115 tree offset and HOST_WIDE_INT bit position.
2116
2117 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2118
2119 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2120 operands for extzv pattern.
2121
2122 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2123
2124 PR bootstrap/51725
2125 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2126 on mem_elt first.
2127
2128 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2129
2130 * doc/invoke.texi (-flto and related options): Copy-edit.
2131
2132 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2133
2134 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2135
2136 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2137
2138 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2139 New patterns.
2140
2141 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2142
2143 * expr.h (move_by_pieces_ninsns): Declare.
2144 * expr.c (move_by_pieces_ninsns): Make external.
2145 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2146 (mips_store_by_pieces_p): Likewise.
2147 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2148 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2149 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2150 (mips_store_by_pieces_p): Likewise.
2151
2152 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2153
2154 * passes.c (register_one_dump_file): Free full_name.
2155
2156 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2157 (calculate_elim_costs_all_insns): Free offsets_at and
2158 offsets_known_at at the end and clear the pointers.
2159
2160 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2161
2162 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2163 this option introduced in r180739.
2164
2165 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2166
2167 PR target/51345
2168 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2169 (tmake_file target=avr): Add avr/t-multilib.
2170
2171 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2172 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2173 * config/avr/genmultilib.awk: New file.
2174 * config/avr/t-multilib: New auto-generated file.
2175 * config/avr/multilib.h: New auto-generated file.
2176 * config/avr/t-avr (AVR_MCUS): New variable.
2177 (genopt.sh): Use it.
2178 (s-mlib): Depend on t-multilib.
2179 (t-multilib, multilib.h): New dependencies.
2180 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2181 (MULTILIB_OPTIONS): Remove.
2182 (MULTILIB_MATCHES): Remove.
2183 (MULTILIB_DIRNAMES): Remove.
2184 (MULTILIB_EXCEPTIONS): Remove:
2185 * config/avr/genopt.sh: Don't use hard coded file name;
2186 pass AVR_MCUS from t-avr instead.
2187
2188 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2189
2190 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2191
2192 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2193
2194 Implement light-weight DImode support.
2195 * config/avr/avr-dimode.md: New file.
2196 * config/avr/avr.md: Include it.
2197 (adjust_len): Add plus64, compare64.
2198 (HIDI): Remove code iterator.
2199 (code_stdname): New code attribute.
2200 (rotx, rotsmode): Remove DI.
2201 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2202 as code iterator.
2203 * config/avr/avr-protos.h (avr_have_dimode): New.
2204 (avr_out_plus64, avr_out_compare64): New.
2205 * config/avr/avr.c (avr_out_compare): Handle DImode.
2206 (avr_have_dimode): New variable definition and initialization.
2207 (avr_out_compare64, avr_out_plus64): New functions.
2208 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2209 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2210 (avr_compare_pattern): Skip DImode comparisons.
2211
2212 2012-01-02 Revital Eres <revital.eres@linaro.org>
2213
2214 * ddg.c (def_has_ccmode_p): New function.
2215 (add_cross_iteration_register_deps,
2216 create_ddg_dep_from_intra_loop_link): Call it.
2217
2218 2012-01-02 Richard Guenther <rguenther@suse.de>
2219
2220 PR other/51679
2221 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2222
2223 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2224
2225 * gcc.c (process_command): Update copyright notice dates.
2226 * gcov.c (print_version): Likewise.
2227 * gcov-dump.c (print_version): Likewise.
2228 * mips-tfile.c (main): Likewise.
2229 * mips-tdump.c (main): Likewise.
2230
2231 2012-01-01 Ira Rosen <irar@il.ibm.com>
2232
2233 PR tree-optimization/51704
2234 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2235 a use is inside the basic block or loop before accessing its vect info.
2236
2237 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2238
2239 PR rtl-optimization/51069
2240 * cfgloopmanip.c (remove_path): Removing path making irreducible
2241 region unconditional makes BB part of the region.
2242
2243 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2244
2245 PR tree-optimization/51683
2246 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2247 calls with side-effects.
2248 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2249 \f
2250 Copyright (C) 2012 Free Software Foundation, Inc.
2251
2252 Copying and distribution of this file, with or without modification,
2253 are permitted in any medium without royalty provided the copyright
2254 notice and this notice are preserved.