1 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
3 Backport from 2012-09-28 trunk r191821.
4 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
6 2012-09-27 Jakub Jelinek <jakub@redhat.com>
9 * simplify-rtx.c (simplify_binary_operation_1): Perform
10 (x - (x & y)) -> (x & ~y) optimization only for integral
13 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
15 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
16 TYPE_NONALIASED_COMPONENT flag.
17 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
18 TYPE_NONALIASED_COMPONENT flag.
20 2012-09-21 Richard Guenther <rguenther@suse.de>
23 Backport from mainline
24 2012-04-19 Richard Guenther <rguenther@suse.de>
26 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
29 2012-09-20 Joseph Myers <joseph@codesourcery.com>
32 * c-typeck.c (c_cast_expr): When casting to a type requiring
33 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
36 2012-09-20 Joseph Myers <joseph@codesourcery.com>
39 * c-typeck.c (build_unary_op): Pass original argument of
40 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
41 any C_MAYBE_CONST_EXPR, if it has integer operands.
42 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
43 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
44 to c_objc_common_truthvalue_conversion, then remove any
45 C_MAYBE_CONST_EXPR, if they have integer operands. Use
46 c_objc_common_truthvalue_conversion not
47 c_common_truthvalue_conversion.
48 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
49 call note_integer_operands for arguments with integer operands
50 that are not integer constants.
52 2012-09-20 Jakub Jelinek <jakub@redhat.com>
54 Backported from mainline
55 2012-09-17 Jakub Jelinek <jakub@redhat.com>
57 PR tree-optimization/54563
58 * tree-ssa-math-opts.c (execute_cse_sincos): Call
59 gimple_purge_dead_eh_edges if last call has been changed.
61 2012-09-14 Jakub Jelinek <jakub@redhat.com>
64 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
65 instead of (match_dup 0) as second argument to vec_merge.
66 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
67 Remove third alternative.
68 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
69 operand 2 instead of operand 1, but put it as first argument
71 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
72 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
75 2012-09-20 Jakub Jelinek <jakub@redhat.com>
77 * BASE-VER: Set to 4.7.3.
78 * DEV-PHASE: Set to prerelease.
80 2012-09-20 Release Manager
84 2012-09-15 Andi Kleen <ak@linux.intel.com>
86 Backport from mainline
87 2012-09-07 Andi Kleen <ak@linux.intel.com>
89 * gcc/lto-streamer.h (res_pair): Add.
90 (lto_file_decl_data): Replace resolutions with respairs.
92 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
94 (lto_file_finalize): Set up resolutions vector lazily from respairs.
96 2012-09-14 Walter Lee <walt@tilera.com>
98 Backport from mainline.
99 2012-09-14 Walter Lee <walt@tilera.com>
101 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
102 option for TILEPro and TILE-Gx.
104 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
106 * config/i386/i386.h (x86_prefetchw): New global variable.
107 (TARGET_PREFETCHW): New macro.
108 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
109 (processor_alias_table): Add PTA_PREFETCHW to
110 bdver1, bdver2 and btver1.
111 (ix86_option_override_internal): Set x86_prefetchw for
112 PTA_PREFETCHW targets.
113 * config/i386/i386.md (prefetch): Expand to prefetchw
114 for TARGET_PREFETCHW.
115 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
117 Backport from mainline
118 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
120 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
121 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
123 (*prefetch_sse): ... this.
124 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
126 (*prefetch_3dnow): ... this.
128 2012-09-13 Jakub Jelinek <jakub@redhat.com>
131 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
132 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
134 2012-09-12 Teresa Johnson <tejohnson@google.com>
136 Backport from mainline.
137 2012-09-12 Teresa Johnson <tejohnson@google.com>
139 PR gcov-profile/54487
140 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
141 test using F_SETLKW with fcntl.
142 * configure, config.in: Regenerate.
144 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
146 Backport from mainline
147 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
149 * config/i386/i386.md : Comments on fma4 instruction selection
150 reflect requirement on register pressure based cost model.
152 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
153 flag is set-reset as informed by the cpuid flag.
155 * config/i386/i386.c (processor_alias_table): fma4
156 flag is enabled for bdver2.
158 2012-09-12 Christian Bruel <christian.bruel@st.com>
160 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
162 2012-09-12 Jakub Jelinek <jakub@redhat.com>
164 * config.gcc: Obsolete picochip-*.
166 2012-09-11 Richard Guenther <rguenther@suse.de>
169 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
170 on flag_toplevel_reorder.
172 2012-09-10 Richard Henderson <rth@redhat.com>
174 * config/alpha/predicates.md (small_symbolic_operand): Disallow
177 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
179 Backport from 2012-09-10 mainline r191132.
182 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
184 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
187 * tree-sra.c (disqualify_base_of_expr): Check for possible
188 NULL_TREE returned by get_base_address()
190 2012-09-07 Richard Guenther <rguenther@suse.de>
192 Backport from mainline
193 2012-06-26 Jan Hubicka <jh@suse.cz>
196 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
199 2012-09-07 Richard Guenther <rguenther@suse.de>
201 Backport from mainline
202 2012-07-13 Richard Guenther <rguenther@suse.de>
204 PR tree-optimization/53922
205 * tree-vrp.c (value_inside_range): Change prototype to take
206 min/max instead of value-range.
207 (range_includes_zero_p): Likewise. Return the result from
209 (extract_range_from_binary_expr_1): Adjust to handle dont-know
210 return value from range_includes_zero_p.
211 (extract_range_from_unary_expr_1): Likewise.
212 (compare_range_with_value): Likewise.
213 (vrp_meet_1): Likewise.
215 2012-09-07 Richard Guenther <rguenther@suse.de>
218 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
219 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
220 arguments separately.
222 2012-09-07 Jakub Jelinek <jakub@redhat.com>
224 Backported from mainline
225 2012-09-06 Jakub Jelinek <jakub@redhat.com>
227 PR rtl-optimization/54455
228 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
229 bb ends up with asm goto referencing bb's label.
231 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
233 Backport from mainline.
234 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
235 Richard Earnshaw <richard.earnshaw@arm.com>
238 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
239 element size. Use elem_type from the formal parameter. New parameter
241 (neon_expand_args): Adjust call to neon_dereference_pointer.
243 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
245 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
246 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
248 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
250 Backport from mainline
251 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
253 * config/i386/i386.md (isa): Add fma and fma4.
254 (enabled): Handle fma and fma4.
255 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
256 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
257 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
258 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
259 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
260 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
262 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
264 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
265 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
266 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
268 2012-09-06 Richard Guenther <rguenther@suse.de>
270 PR tree-optimization/54498
271 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
272 abort when reaching an already visited region.
273 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
274 (get_continuation_for_phi_1): Likewise.
275 (walk_non_aliased_vuses): When we translated the reference,
276 abort when we re-visit a region.
277 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
279 2012-09-06 Andrew Pinski <apinski@cavium.com>
282 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
284 2012-09-05 Jakub Jelinek <jakub@redhat.com>
287 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
288 build_int_cst with size_type_node instead of size_int.
290 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
292 Backport from 2012-09-05 mainline r190697.
295 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
296 configured --with-avrlibc.
297 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
299 * config/avr/avrlibc.h: New file.
300 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
301 configured --with-avrlibc.
302 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
304 2012-09-05 Bin Cheng <bin.cheng@arm.com>
306 Backport from 2012-09-04 mainline r190919
309 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
310 of size less than 4 bytes by using macro ARM_NUM_INTS.
311 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
313 2012-09-04 Richard Henderson <rth@redhat.com>
315 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
317 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
319 Backport from 2012-09-04 mainline r190920
322 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
324 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
326 Backport from 2012-09-04 mainline r190914
329 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
331 (avr_allocate_stack_slots_for_args): ...this new static function.
333 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
335 Backported from mainline
336 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
339 * doc/invoke.texi: Add -da and remove -dm.
341 2012-09-03 Jakub Jelinek <jakub@redhat.com>
343 Backported from mainline
344 2012-09-01 Jakub Jelinek <jakub@redhat.com>
347 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
348 operands[1] is CONST_INT_P, convert it to QImode before printing.
350 2012-08-31 Jakub Jelinek <jakub@redhat.com>
353 * c-convert.c (convert): Don't call fold_convert_loc if
354 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
355 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
356 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
358 2012-08-24 Jakub Jelinek <jakub@redhat.com>
361 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
362 if init is a CONSTRUCTOR.
364 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
366 PR rtl-optimization/54369
367 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
368 calling dbr_schedule.
369 * config/sparc/sparc.c (sparc_reorg): Likewise.
371 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
373 Backport from mainline
374 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
376 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
377 case for Atom processor.
379 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
381 Backport from mainline
382 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
385 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
386 true for TARGET_64BIT or !flag_pic.
387 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
388 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
389 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
390 Add insn constraint. Conditionally emit xchg asm insns.
391 (atomic_compare_and_swap<mode>): Update calls. Check only
392 cmpxchg8b_pic_memory_operand in memory address fixup.
394 (CASHMODE): Rename from DCASHMODE.
395 (doublemodesuffix): Update modes.
396 (regprefix): New mode attribute.
398 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
399 <UNSPECV_CMPXCHG>: New constant.
400 (atomic_compare_and_swap<mode>_1): Rename from
401 atomic_compare_and_swap_single<mode>. Update calls and
402 unspec_volatile constants.
403 (atomic_compare_and_swap<mode>_doubleword): Rename from
404 atomic_compare_and_swap_double<mode>. Update calls and
405 unspec_volatile constants.
407 2012-08-28 Walter Lee <walt@tilera.com>
409 Backport from mainline
410 2012-08-28 Walter Lee <walt@tilera.com>
412 * confg/tilegx/tilegx.md: Fix code style.
413 (*zero_extendsidi_truncdisi): Fix typo.
414 * config/tilegx/tilegx.c: Fix code style.
415 (tilegx_function_profiler): Fix typo.
417 2012-08-27 Walter Lee <walt@tilera.com>
419 Backport from mainline
420 2012-08-27 Walter Lee <walt@tilera.com>
422 * doc/md.texi (TILE-Gx): Fix typo.
424 2012-08-27 Walter Lee <walt@tilera.com>
426 Backport from mainline
427 2012-08-27 Walter Lee <walt@tilera.com>
429 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
430 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
432 2012-08-27 Walter Lee <walt@tilera.com>
434 Backport from mainline
435 2012-08-27 Walter Lee <walt@tilera.com>
437 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
438 (insn_bfins): Delete.
440 2012-08-27 Walter Lee <walt@tilera.com>
442 Backport from mainline
443 2012-08-27 Walter Lee <walt@tilera.com>
445 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
446 atomic_exchange_bare<mode>,
447 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
448 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
449 * config/tilegx/tilegx.md (type): Add X1_remove.
450 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
451 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
452 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
455 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
457 PR rtl-optimization/54088
458 * jump.c (delete_related_insns): Robustify latest change.
460 2012-08-21 Richard Guenther <rguenther@suse.de>
462 Backport from mainline
463 2012-08-16 Richard Guenther <rguenther@suse.de>
466 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
468 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
469 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
470 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
471 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
472 (tree_ssa_lim_finalize): Free all mem_refs.
473 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
474 scc when bailing out.
475 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
476 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
477 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
480 2012-08-17 Richard Guenther <rguenther@suse.de>
482 * tree-sra.c (modify_function): Free redirect_callers vector.
483 * ipa-split.c (split_function): Free args_to_pass vector.
484 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
486 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
487 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
488 (vect_analyze_slp_instance): Free everything.
489 (destroy_bb_vec_info): Free the SLP instances.
491 2012-08-17 Richard Guenther <rguenther@suse.de>
493 * params.def (integer-share-limit): Decrease from 256 to 251,
496 2012-08-21 Richard Guenther <rguenther@suse.de>
498 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
499 the affine expansion cache.
501 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
503 Backported from trunk
504 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
507 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
509 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
511 Backport from mainline.
512 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
515 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
516 mark as predicable. Adjust asm template.
517 (vec_setv2di_internal): Likewise.
518 (vec_extract<mode> VD, VQ): Likewise.
519 (vec_extractv2di): Likewise.
520 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
521 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
522 (neon_vdup_n<mode> VX, V32): Likewise.
523 (neon_vdup_nv2di): Likewise.
525 2012-08-17 Walter Lee <walt@tilera.com>
527 Backport from mainline
528 2012-08-17 Walter Lee <walt@tilera.com>
530 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
531 (FEEDBACK_ENTER): Define.
532 (FEEDBACK_REENTER): Define.
533 (FEEDBACK_ENTRY): Define.
534 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
535 (FEEDBACK_ENTER): Define.
536 (FEEDBACK_REENTER): Define.
537 (FEEDBACK_ENTRY): Define.
539 2012-08-16 Walter Lee <walt@tilera.com>
541 Backport from mainline
542 2012-08-16 Walter Lee <walt@tilera.com>
544 * config.gcc (tilegx-*-linux*): Add feedback.h.
545 (tilepro-*-linux*): Likewise.
546 * config/tilegx/feedback.h: New file.
547 * config/tilepro/feedback.h: New file.
549 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
551 Backport from mainline r189840 and r187586:
552 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
554 * config/i386/i386.md (stack_protect_set): Disable the pattern
555 for Android since Android libc (bionic) does not provide random
556 value for stack protection guard at gs:0x14. Guard value
557 will be provided from external symbol (default implementation).
558 (stack_protect_set_<mode>): Likewise.
559 (stack_protect_test): Likewise.
560 (stack_protect_test_<mode>): Likewise.
561 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
562 not have Bionic by default
563 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
564 Macro OPTION_BIONIC is defined in this file and provides Bionic
567 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
569 * configure.ac: Stack protector enabling for Android targets.
570 * configure: Regenerate.
572 2012-08-13 Jakub Jelinek <jakub@redhat.com>
574 Backported from trunk
575 2012-07-19 Jakub Jelinek <jakub@redhat.com>
577 PR rtl-optimization/53942
578 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
579 directly from likely spilled non-fixed hard registers, move them
582 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
584 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
585 (xop_phaddubq): Ditto.
587 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
589 Backport from mainline
590 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
591 Richard Earnshaw <rearnsha@arm.com>
593 * target.def (vector_alignment): New target hook.
594 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
595 * doc/tm.texi: Regenerate.
596 * targhooks.c (default_vector_alignment): New function.
597 * targhooks.h (default_vector_alignment): Add prototype.
598 * stor-layout.c (layout_type): Use targetm.vector_alignment.
599 * config/arm/arm.c (arm_vector_alignment): New function.
600 (TARGET_VECTOR_ALIGNMENT): Define.
602 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
603 vector type alignment instead of size.
604 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
605 element type size directly instead of computing it from alignment.
606 Fix variable naming and comment.
608 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
610 Backport from mainline
611 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
613 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
614 (alpha_pad_function_end): ... this. Also insert NOP between
615 sibling call and GP load.
616 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
618 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
620 Backport from mainline
621 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
622 H.J. Lu <hongjiu.lu@intel.com>
624 PR rtl-optimization/54157
625 * combine.c (gen_lowpart_for_combine): Don't return identity
626 for CONST or symbolic reference.
628 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
630 Backport from mainline
631 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
633 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
634 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
635 split_cost argument signed.
636 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
637 (ix86_avoid_lea_for_addr): Ditto.
639 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
641 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
642 the address has less than two components.
644 2012-08-02 Steve Ellcey <sellcey@mips.com>
646 Backport from mainline
647 2012-07-19 Steve Ellcey <sellcey@mips.com>
649 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
652 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
654 Backport from mainline
655 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
658 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
659 negative constant address for TARGET_X32 ...
660 (ix86_decompose_address): ... here. Reject constant addresses
661 that don't satisfy x86_64_immediate_operand predicate.
663 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
666 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
667 * config/i386/i386.c (ix86_print_operand_address): Ditto.
668 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
669 addresses. Prevent zero extensions of CONST_INT operands.
671 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
674 * config/i386/i386.md (*lea): New insn pattern.
676 (*lea<mode>_2): Ditto.
677 (*lea_{3,4,5,6}_zext): Ditto.
678 * config/i386/predicates.md (lea_address_operand): Do not reject
679 zero-extended address operands.
680 * config/i386/constraints.md (j): Remove address constraint.
681 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
683 (ix86_print_operand_address): Handle SImode subreg of an address.
684 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
686 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
688 Backport from mainline
689 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
692 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
693 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
695 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
696 (*movdi_internal_rex64): Use %E operand modifier for lea.
697 (*movsi_internal): Ditto.
699 (*lea<mode>_2): Ditto.
700 (*lea_{3,4,5,6}_zext): Ditto.
701 (*tls_global_dynamic_32_gnu): Ditto.
702 (*tls_global_dynamic_64): Ditto.
703 (*tls_dynamic_gnu2_lea_32): Ditto.
704 (*tls_dynamic_gnu2_lea_64): Ditto.
705 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
707 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
709 Backport from mainline
710 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
712 * config/i386/i386.c (ix86_address_subreg_operand): Reject
714 (ix86_print_operand_address): Assert that parts.base and parts.index
715 are non-NULL after call to simplify_subreg.
717 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
720 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
722 * config/sh/sh.c (sh_option_override): Do not change
723 flag_finite_math_only. Set TARGET_IEEE to complement of
724 flag_finite_math_only.
725 * doc/invoke.texi (SH options): Add mno-ieee. Correct
726 description of mieee and mno-ieee behavior.
728 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
731 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
734 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
736 Backport from mainline
737 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
739 PR rtl-optimization/52250
740 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
741 to put note list into. Unconditionally call move_bb_info.
742 (move_bb_info): Do not assert the blocks being in the same region,
743 just drop the note list if they are not.
745 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
747 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
749 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
751 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
752 defining statement is a SSA name that occurs in abnormal PHIs.
754 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
756 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
759 2012-07-19 Richard Guenther <rguenther@suse.de>
760 Eric Botcazou <ebotcazou@adacore.com>
762 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
763 about transition from invariant to known bits.
764 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
766 2012-07-19 Jakub Jelinek <jakub@redhat.com>
769 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
770 (cleanup_tree_cfg_bb): Don't call it.
771 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
774 2012-07-19 Christian Bruel <christian.bruel@st.com>
777 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
779 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
781 * config.gcc (v850-*-rtems*): New target.
782 * config/v850/rtems.h: New.
783 * config/v850/t-rtems: New.
785 2012-07-18 Nick Clifton <nickc@redhat.com>
787 * doc/invoke.texi (ARM Options): Document -munaligned-access.
789 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
793 Backport from mainline
794 2012-04-25 Jakub Jelinek <jakub@redhat.com>
797 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
798 instead expand it as zero extension.
800 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
802 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
803 QImode and HImode splitters. Use ix86_comparison_operator.
804 Explicitly match FLAGS_REG.
805 (DFmode cmove splitter): Explicitly match FLAGS_REG.
807 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
808 Steven Bosscher <steven@gcc.gnu.org>
809 Bernd Schmidt <bernds@codesourcery.com>
811 PR rtl-optimization/53908
812 * df-problems.c (can_move_insns_across): When doing
813 memory-reference book-keeping, handle call insns.
815 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
817 Backport from mainline
818 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
821 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
822 sibcall_insn_operand. Move it to a temporary register if not.
824 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
827 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
828 emit PIC sequence for fnaddr symbol reference in advance.
830 2012-07-09 Jason Merrill <jason@redhat.com>
833 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
834 (type_hash_eq): Likewise.
837 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
839 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
841 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
842 due to negative shift amount.
844 2012-07-06 Kai Tietz <ktietz@redhat.com>
846 Backport from mainline.
848 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
851 2012-07-06 Nick Clifton <nickc@redhat.com>
853 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
854 default_encode_section_info.
856 2012-07-06 Richard Guenther <rguenther@suse.de>
858 Backport from mainline
859 2012-03-30 Richard Guenther <rguenther@suse.de>
862 * double-int.c (rshift_double): Remove not needed cast.
864 2012-03-28 Richard Guenther <rguenther@suse.de>
867 * double-int.h (rshift_double): Remove.
868 * double-int.c (lshift_double): Use absu_hwi to make count
870 (rshift_double): Make static, take unsigned count argument,
871 remove handling of negative count argument.
872 (double_int_rshift): Dispatch to lshift_double.
874 2012-07-06 Richard Guenther <rguenther@suse.de>
876 Backport from mainline
877 2012-06-18 Richard Guenther <rguenther@suse.de>
879 PR tree-optimization/53693
880 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
881 Reject operands with more than one use.
883 2012-07-06 Richard Guenther <rguenther@suse.de>
885 Backport from mainline
886 2012-04-11 Richard Guenther <rguenther@suse.de>
889 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
890 consider loop nesting.
891 (evolution_function_is_univariate_p): Properly check the remainder
894 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
896 Backport from mainline
897 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
899 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
900 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
901 (adjacent_mem_locations): Move some code to and call...
902 (get_memref_parts): ...new function.
903 (mem_locations_overlap): New function.
904 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
905 (is_mem_ref): Rename to...
906 (find_mem_ref): ...this. Return MEM rtx.
907 (get_store_dest): Remove function.
908 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
909 new parameter and adjust calls.
910 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
911 mem refs overlap for true_store_to_load_dep_costly.
912 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
913 passed to adjacent_mem_locations.
914 (is_costly_group): Walk resolved dependency list.
915 (force_new_group): Emit group ending nop for Power6/Power7.
916 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
917 (group_ending_nop): New define_insn.
919 2012-07-04 Richard Guenther <rguenther@suse.de>
922 * gimple-fold.c (get_base_constructor): Do not return an
923 error_mark_node DECL_INITIAL.
925 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
927 Backport from mainline
928 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
930 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
931 code model string in the error message.
933 2012-07-04 Tristan Gingold <gingold@adacore.com>
935 Backport from mainline.
936 2012-06-25 Tristan Gingold <gingold@adacore.com>
938 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
939 (seh_cfa_adjust_cfa): ... that function.
940 (seh_emit_stackalloc): Do not emit out of range values.
941 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
942 UNSPEC_DEF_CFA constants.
943 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
944 * config/i386/i386.c (ix86_frame_pointer_required): Required
945 for very large frames on SEH target.
946 (ix86_compute_frame_layout): Save area is before frame pointer
947 on SEH target. Handle very large frames.
948 (ix86_expand_prologue): Likewise.
950 2012-07-04 Richard Guenther <rguenther@suse.de>
952 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
953 as in free_lang_data_in_type.
955 2012-07-02 Martin Jambor <mjambor@suse.cz>
957 Backport from mainline.
958 2012-07-02 Martin Jambor <mjambor@suse.cz>
961 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
962 dynamic type change check.
964 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
966 * tree-eh.c (lower_try_finally_switch): Really put the location of the
967 last statement of the finally block onto the switch.
969 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
971 * configure: Regenerate.
973 Backport from mainline.
974 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
976 * config.gcc (target_type_format_char): New. Document it. Set it for
978 * configure.ac (gnu_unique_option): Use target_type_format_char
979 in test. Comment rationale.
981 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
983 Backport from mainline.
984 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
986 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
988 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
990 Backport from 2012-06-28 mainline r189049
993 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
994 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
995 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
996 avr_hard_regno_call_part_clobbered.
998 2012-06-28 Richard Guenther <rguenther@suse.de>
1001 * expr.c (expand_expr_real_1): Verify if the type is complete
1002 before inspecting its size.
1004 2012-06-27 Nick Clifton <nickc@redhat.com>
1006 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1009 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
1012 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1014 2012-06-26 Nick Clifton <nickc@redhat.com>
1016 * config/rx/rx.md (simple_return): Use the simple_return rtx.
1018 2012-06-25 Jakub Jelinek <jakub@redhat.com>
1021 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1022 of x x x in the vmovlps load alternative.
1024 2012-06-22 Richard Guenther <rguenther@suse.de>
1026 * gcov-iov.c: Include bconfig.h and system.h.
1028 2012-06-22 Richard Guenther <rguenther@suse.de>
1030 PR gcov-profile/53744
1031 * gcov-iov.c (main): Treat "" and "prerelease" the same.
1033 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
1035 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1036 DECL_IGNORED_P non-reg vars even if they are used.
1038 2012-06-19 Jason Merrill <jason@redhat.com>
1041 * dwarf2out.c (modified_type_die): Use scope_die_for.
1042 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1043 (uses_local_type_r, uses_local_type): New.
1044 (scope_die_for): Keep a type that uses a local type in local scope.
1045 Use get_context_die for namespace and type scope.
1047 2012-06-19 Richard Guenther <rguenther@suse.de>
1050 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1051 replace it with the first non-BLOCK context.
1053 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
1055 PR rtl-optimization/53700
1057 Backport from mainline
1058 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
1060 * ira-color.c (setup_left_conflict_sizes_p): Process all
1061 conflicting objects.
1063 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1065 Backport from mainline
1066 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1069 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1070 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1071 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1072 instead of xop_mulv2div2di3_low.
1073 (xop_p<macs>dql): Fix vec_select selector.
1074 (xop_p<macs>dqh): Ditto.
1075 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1076 (xop_mulv2div2di3_high): Ditto.
1078 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1080 Backport from mainline:
1081 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1083 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1085 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1087 Backport from mainline:
1088 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1090 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1091 * config/pa/pa.c (pa_attr_length_millicode_call): Use
1092 MAX_PCREL17F_OFFSET instead of fixed offset.
1093 (pa_attr_length_call): Likewise.
1094 (pa_attr_length_indirect_call): Likewise.
1096 2012-06-15 Walter Lee <walt@tilera.com>
1098 Backport from mainline:
1099 2012-06-15 Walter Lee <walt@tilera.com>
1101 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1103 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
1105 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1107 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
1109 Backport from mainline:
1111 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1112 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1113 * gimple.h (block_in_transaction): Check for flag_tm.
1115 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
1117 PR tree-optimization/52558
1119 Backport from mainline:
1120 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
1121 * gimple.h (gimple_set_in_transaction): Remove.
1122 (gimple_in_transaction): Look in BB instead.
1123 (gimple_statement_base): Remove in_transaction field.
1124 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1125 * trans-mem.c (compute_transaction_bits): Place transaction bit
1126 information into basic blocks.
1128 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1130 PR tree-optimization/52558
1131 * cfg.c (alloc_aux_for_edge): Fix comment.
1132 (alloc_aux_for_edge): Remove static.
1133 * basic-block.h (alloc_aux_for_edge): Protoize.
1134 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1135 (execute_sm_if_changed_flag): New.
1136 (execute_sm_if_changed_flag_set): New.
1137 (execute_sm): Do not generate data races unless requested.
1138 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1139 (tree_ssa_lim_finalize): Call free_aux_for_edges.
1140 * gimple.h (block_in_transaction): New.
1141 (gimple_in_transaction): Use block_in_transaction.
1143 2012-06-14 Jakub Jelinek <jakub@redhat.com>
1145 Backported from mainline
1146 2012-06-12 Jakub Jelinek <jakub@redhat.com>
1148 PR rtl-optimization/53589
1149 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1150 discovery even when e->dest != target. If any LABEL_REF points
1151 to e->dest label, redirect it to target's label.
1153 2012-06-07 Jakub Jelinek <jakub@redhat.com>
1156 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1157 returns false, replace stmt with GIMPLE_NOP.
1158 (check_omp_nesting_restrictions): Instead of issuing warnings,
1159 issue errors and return false if any errors were reported.
1161 2012-06-14 Richard Guenther <rguenther@suse.de>
1163 * BASE-VER: Set to 4.7.2.
1164 * DEV-PHASE: Set to prerelease.
1166 2012-06-12 Christian Bruel <christian.bruel@st.com>
1169 * config/sh/sh.c (sh_option_override): Don't force
1170 flag_omit_frame_pointer and maccumulate_outgoing_args.
1171 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1173 2012-06-14 Release Manager
1175 * GCC 4.7.1 released.
1177 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
1179 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1181 2012-06-13 Richard Henderson <rth@redhat.com>
1183 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1184 iterator instead of INT.
1186 2012-06-08 Richard Henderson <rth@redhat.com>
1189 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1190 note to a clobber insn when no other insn is available.
1192 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1195 * doc/invoke.texi (Wenum-compare): Update documentation.
1197 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1200 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1202 (altivec_stvlxl): Ditto.
1203 (altivec_stvrx): Ditto.
1204 (altivec_stvrxl): Ditto.
1206 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1209 * trans-mem.c (expand_block_edges): Do not skip the first
1210 statement when resetting the BB.
1212 2012-06-04 Richard Guenther <rguenther@suse.de>
1215 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1216 create new assembler names.
1218 2012-06-04 Richard Guenther <rguenther@suse.de>
1220 Backport from mainline
1221 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1224 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1225 larger than maxbits. Don't compute maxbits modulo align.
1226 Also check that unit bytes long store at bitpos / unit * unit
1227 doesn't affect bits beyond bitregion_end.
1228 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1229 would not fit into bitregion_start ... bitregion_end + 1 bit
1231 (store_split_bit_field): Decrease unit close to end of bitregion_end
1232 if access is restricted in order to avoid mutual recursion.
1234 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1236 Backport from 2012-06-04 mainline r188172
1239 * config/avr/avr-stdint.h: New file.
1240 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1243 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1245 PR tree-optimization/53550
1246 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1247 is POINTER_TYPE_P, use sizetype as step type instead of type.
1249 2012-06-04 Richard Guenther <rguenther@suse.de>
1250 Eric Botcazou <ebotcazou@adacore.com>
1252 Backport from mainline
1253 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1255 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1256 Change type of BITOFFSET to signed. Make sure the lower bound of
1257 the computed range is non-negative by adjusting OFFSET and BITPOS.
1258 (expand_assignment): Adjust call to get_bit_range.
1260 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1262 * expr.c (get_bit_range): Return the null range if the enclosing record
1263 is part of a larger bit field.
1265 2012-03-20 Richard Guenther <rguenther@suse.de>
1267 * stor-layout.c (finish_bitfield_representative): Fallback
1268 to conservative maximum size if the padding up to the next
1269 field cannot be computed as a constant.
1270 (finish_bitfield_layout): If we cannot compute the distance
1271 between the start of the bitfield representative and the
1272 bitfield member start a new representative.
1273 * expr.c (get_bit_range): The distance between the start of
1274 the bitfield representative and the bitfield member is zero
1275 if the field offsets are not constants.
1277 2012-03-16 Richard Guenther <rguenther@suse.de>
1279 * stor-layout.c (finish_bitfield_representative): Fall back
1280 to the conservative maximum size if we cannot compute the
1281 size of the tail padding.
1283 2012-03-14 Richard Guenther <rguenther@suse.de>
1285 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1286 * stor-layout.c (start_bitfield_representative): New function.
1287 (finish_bitfield_representative): Likewise.
1288 (finish_bitfield_layout): Likewise.
1289 (finish_record_layout): Call finish_bitfield_layout.
1290 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1291 for QUAL_UNION_TYPE fields.
1292 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1293 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1294 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1299 * expr.c (get_bit_range): Unconditionally extract bitrange
1300 from DECL_BIT_FIELD_REPRESENTATIVE.
1301 (expand_assignment): Adjust call to get_bit_range.
1303 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1306 * fold-const.c (fold_binary_loc): Refine previous change.
1308 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1310 Backport from mainline
1311 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1314 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1315 avoid going above orig insn. Update comments.
1317 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1319 Backport from mainline
1320 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1323 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1324 prologue for unwinder and profiler.
1326 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1328 Backport from mainline
1329 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1331 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1333 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1335 Backport from mainline
1336 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1338 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1339 DBX_REGISTER_NUMBER.
1341 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1343 Backport from mainline
1344 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1346 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1347 operand is CONST_INT. Take COSTS_N_INSNS into account.
1348 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1351 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1353 * config/avr/avr.opt (-msp8): Document it.
1354 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1356 2012-05-31 Richard Guenther <rguenther@suse.de>
1359 * expr.c (expand_assignment): Do not use movmisalign on
1362 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1365 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1366 (pa_section_type_flags): New.
1367 (pa_legitimate_constant_p): Revert previous change.
1369 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1371 Backport from mainline
1372 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1375 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1376 accessed indirectly.
1377 (ipa_tm_create_version): Same.
1379 2012-05-30 Jason Merrill <jason@redhat.com>
1382 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1383 about array compound literals.
1385 2012-05-30 Richard Guenther <rguenther@suse.de>
1388 * fold-const.c (fold_binary_loc): Make sure to call
1389 fold_plusminus_mult_expr with the original sign of operands.
1391 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1393 * explow.c (probe_stack_range): Restore simple control flow and stop
1394 again when the probe cannot be generated if HAVE_check_stack.
1396 2012-05-30 Jakub Jelinek <jakub@redhat.com>
1398 PR rtl-optimization/53519
1399 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1400 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1402 2012-05-29 Richard Guenther <rguenther@suse.de>
1404 PR tree-optimization/53516
1405 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1407 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1409 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
1411 Backport from mainline
1412 2012-05-28 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/53438
1415 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1417 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
1419 Backport from mainline
1420 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
1422 PR rtl-optimization/52528
1423 * combine.c (can_combine_p): Add setting of subst_low_luid
1424 before call to expand_field_assignment().
1426 2012-05-26 Martin Jambor <mjambor@suse.cz>
1428 Backport from mainline
1429 2012-05-23 Martin Jambor <mjambor@suse.cz>
1431 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1433 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1436 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1437 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1439 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
1442 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1443 (ix86_expand_vec_perm): Use int mode instead of float.
1445 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1448 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1449 gnu_ld variables to yes.
1450 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1451 (HAVE_GNU_AS): Likewise.
1452 * config.in: Regenerate.
1453 * configure: Likewise.
1455 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1457 Backport from mainline
1458 2012-03-12 Richard Guenther <rguenther@suse.de>
1459 * config/arm/arm.c (neon_dereference_pointer): Do not call
1460 covert during RTL expansion.
1462 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1464 Backport from mainline
1465 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1468 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1469 relied on signed overflow behavior.
1471 2012-05-24 Richard Guenther <rguenther@suse.de>
1474 * tree-profile.c (tree_profiling): Cleanup the CFG if
1475 execute_fixup_cfg requests it.
1477 2012-05-24 Jakub Jelinek <jakub@redhat.com>
1479 PR tree-optimization/53465
1480 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1481 vr0 into *vr, then vrp_meet that.
1482 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1483 have any equivalences.
1484 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1487 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
1489 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1491 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1492 (iterative_hash_gimple_type): Adjust comment.
1493 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
1494 domain for an array type instead of the domain type itself.
1496 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
1498 Backport from 2012-05-23 mainline r187803
1501 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1502 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1505 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1507 Backport from 2012-05-03 mainline r187075
1509 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1510 has_fma4 for AMD processors with both fma3 and fma4 support.
1512 2012-05-22 Richard Guenther <rguenther@suse.de>
1514 PR tree-optimization/53408
1515 * tree-vect-loop.c (vectorizable_induction): Properly check
1516 the restriction that we cannot handle induction results from
1517 the inner loop outside of the outer loop.
1519 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1521 PR tree-optimization/53436
1522 * omp-low.c (omp_build_component_ref): New function.
1523 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1525 PR tree-optimization/53366
1526 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1527 tests if complex_numbers == 2, but there are non-complex number loads
1530 PR tree-optimization/53409
1531 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1532 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1534 PR tree-optimization/53410
1535 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1536 instead of build_int_cst (type, 0) where vector types might be
1539 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1542 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1543 from folded operands before wrapping another around the
1544 conditional expression.
1546 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1547 Patrick Marlier <patrick.marlier@gmail.com>
1549 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1552 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1554 Backport from mainline
1555 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1558 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1559 (UNSPECV_RDRAND): This.
1560 (rdrand<mode>_1): Updated.
1562 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1564 Backport from mainline
1565 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1567 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1568 RDRND, F16C and FSGSBASE.
1570 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1572 Backport from mainline
1573 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1575 * tree-ssa-pre.c (can_value_number_call): Delete.
1576 (compute_avail): Skip all statements with side effects.
1577 <GIMPLE_CALL>: Skip calls to internal functions.
1579 2012-05-18 David S. Miller <davem@davemloft.net>
1581 Backport r185385 from mainline
1582 2012-03-14 Richard Guenther <rguenther@suse.de>
1585 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1586 element type instead of mode, use build_vector_type_for_mode
1587 instead of the langhook, build a vector of proper signedness.
1588 (expand_vector_operations_1): Adjust.
1590 2012-05-18 Olivier Hainque <hainque@adacore.com>
1592 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1593 $(libsubdir) as libexecsubdir.
1595 2012-05-16 Andrew Pinski <apinski@cavium.com>
1597 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1600 2012-05-16 David S. Miller <davem@davemloft.net>
1602 * jump.c (delete_related_insns): If we remove a CALL, make sure
1603 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1605 2012-05-16 Richard Henderson <rth@redhat.com>
1608 * combine-stack-adj.c (prev_active_insn_bb): New.
1609 (next_active_insn_bb): New.
1610 (force_move_args_size_note): New.
1611 (combine_stack_adjustments_for_block): Use it.
1613 2012-05-16 Olivier Hainque <hainque@adacore.com>
1615 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1616 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1617 Add comments and improve stamp preservation across the whole sequence.
1618 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1620 2012-05-16 Richard Guenther <rguenther@suse.de>
1622 PR tree-optimization/53364
1623 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1624 detect a view-conversion of the decl.
1626 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1629 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1630 that operands[2] is either immediate, or q_regs_operand.
1632 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1634 Backport r187139 from mainline.
1635 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1637 PR rtl-optimization/52804
1638 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1639 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1640 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1641 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1642 RELOAD_FOR_OUTADDR_ADDRESS.
1644 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1647 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1648 generate target register for "load" class builtins.
1651 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1654 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1655 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1656 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1657 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1658 (<sse>_movu<ssemodesuffix>): New expander.
1659 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1660 (avx_movdqu<avxmodesuffix>): New expander.
1661 (*sse2_movdqu): Rename from sse2_movdqu.
1662 (sse2_movdqu): New expander.
1664 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1666 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1667 lineno 1 the same as lineno 0 before first start file directive.
1668 (optimize_macinfo_range): Likewise.
1670 * dwarf2out.c (have_macinfo): Define.
1671 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1672 attribute, don't force empty compilation unit and don't emit any
1673 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1675 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1677 Backport from mainline
1678 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1680 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1681 ORDERED and UNORDERED conditions.
1683 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1685 * function.c (requires_stack_frame_p): If the function can throw
1686 non-call exceptions, return true if the insn can throw internally.
1688 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1690 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1691 DECL_ORIGINAL_TYPE if it is present.
1693 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1695 Backport from 2012-05-12 mainline r187342.
1698 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1699 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1700 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1701 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1702 (expand_prologue): Move initialization of cfun->machine->is_naked,
1703 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1704 (avr_set_current_function): ...this new static function.
1705 (TARGET_SET_CURRENT_FUNCTION): New define.
1706 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1707 checking attributes of current_function_decl.
1708 (avr_regs_to_save): Ditto.
1709 (signal_function_p): Rename to avr_signal_function_p.
1710 (interrupt_function_p): Rename to avr_interrupt_function_p.
1712 * doc/extend.texi (Function Attributes): Better explanation of
1713 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1716 2012-05-09 Matthias Klose <doko@ubuntu.com>
1718 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1720 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1723 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1724 when a constant source operand matches an "I" constraint, the "no
1725 CC0 change" applies to a register-destination only, not a
1726 strict_low_part-destination.
1728 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1730 Backport from mainline:
1731 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1733 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1735 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1737 PR tree-optimization/53239
1738 * tree-vrp.c (get_value_range): Set VR of
1739 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1742 2012-05-07 Richard Guenther <rguenther@suse.de>
1744 PR tree-optimization/53195
1745 * tree-inline.c (setup_one_parameter): Properly add referenced
1746 vars from the parameters new known value.
1748 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1750 Backport from mainline:
1751 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1754 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1757 2012-05-04 Ian Lance Taylor <iant@google.com>
1759 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1760 values from false to NULL.
1762 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1764 Backport from mainline
1765 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1768 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1769 (TARGET_CMOV): Rename from TARGET_CMOVE.
1770 (TARGET_CMOVE): New define.
1771 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1772 Do not set TARGET_CMOVE here.
1774 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1776 Backport from mainline:
1778 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1780 PR tree-optimization/52633
1781 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1782 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1783 (vect_recog_over_widening_pattern): Remove handling of code that was
1784 already detected as over-widening pattern. Remove special handling
1785 of "unsigned" cases. Instead, support general case of conversion
1786 of the shift result to another type.
1788 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1790 * tree-vect-patterns.c (vect_single_imm_use): New function.
1791 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1792 (vect_recog_over_widening_pattern): Likewise.
1793 (vect_recog_widen_shift_pattern): Likewise.
1795 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1797 PR tree-optimization/52870
1798 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1799 presumed pattern statement is within the same loop or basic block.
1801 2012-05-04 Richard Guenther <rguenther@suse.de>
1803 * common.opt (flto-report): Do not mark as Optimization.
1805 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1808 * recog.c (constrain_operands): If extra constraints are present, also
1809 accept pseudo-registers with equivalent memory locations during reload.
1811 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1813 Backport from the mainline
1814 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1817 * config/rs6000/rs6000.md (bswapdi splitters): If
1818 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1819 default) is used, generate an alternate sequence that does not
1820 depend on using indexed addressing.
1822 2012-05-03 David S. Miller <davem@davemloft.net>
1825 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1826 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1827 (sparc_emit_float_lib_cmp): Likewise.
1829 2012-05-04 Martin Jambor <mjambor@suse.cz>
1831 Backport from mainline
1832 2012-05-02 Martin Jambor <mjambor@suse.cz>
1835 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1836 of a variable when the contect is a function.
1838 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1841 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1842 append program name to it and pass that as first argument
1843 to make_relative_prefix. Always pass standard_libexec_prefix
1844 as last argument to make_relative_prefix. If
1845 make_relative_prefix returns NULL, fall back to
1846 standard_libexec_prefix.
1849 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1853 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1854 mode, return that mode.
1856 2012-05-03 Richard Guenther <rguenther@suse.de>
1858 PR tree-optimization/53144
1859 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1861 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1862 with SSA name values.
1863 (vn_reference_lookup_3): Adjust callers.
1865 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1867 PR tree-optimization/53163
1868 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1869 return value from compute_all_dependences.
1871 PR rtl-optimization/53160
1872 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1873 has been modified by ree pass already.
1875 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1877 Backport from mainline
1878 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1881 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1882 calls to cgraph_node_name in xstrdup.
1883 (ipa_make_edge_direct_to_target): Ditto.
1884 * tree-sra.c (convert_callers_for_node): Ditto.
1885 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1886 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1887 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1888 (cgraph_materialize_all_clones): Ditto.
1889 * ipa-inline.c (report_inline_failed_reason): Ditto.
1890 (want_early_inline_function_p): Ditto.
1891 (edge_badness): Ditto.
1892 (update_edge_key): Ditto.
1893 (flatten_function): Ditto.
1894 (ipa_inline): Ditto.
1895 (inline_always_inline_functions): Ditto.
1896 (early_inline_small_functions): Ditto.
1898 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1900 Backport from mainline
1901 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1903 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1904 Introduce emul_name to select the right linker emulation for
1905 powerpc64-*-freebsd*.
1906 * configure: Regenerate.
1907 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1908 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1909 * config/rs6000/freebsd64.h: New file.
1910 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1912 (rs6000_savres_strategy): Likewise.
1913 (rs6000_savres_routine_name): Likewise.
1914 (rs6000_elf_file_end): Likewise.
1915 * config/rs6000/t-freebsd64: New file.
1916 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1917 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1919 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1921 Backport from mainline
1922 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1925 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1927 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1929 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1930 predicate to discriminate types.
1932 2012-04-27 Richard Guenther <rguenther@suse.de>
1935 * convert.c (convert_to_integer): Avoid infinite recursion for
1936 target-defined built-in types.
1938 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1941 * config/cris/cris.md ("*andhi_lowpart_v32")
1942 ("*andqi_lowpart_v32"): Change first input-only operand from
1943 a (match_operand ...) to (match_dup 0). Drop alternatives with
1944 const_int-matching constraints for redundancy.
1945 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1946 three-operand alternative.
1948 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1950 Backport from mainline
1951 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1953 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1954 (*addsi_2_zext): Ditto.
1955 (*add<mode>_3): Ditto.
1956 (*addsi_3_zext): Ditto.
1957 (*add<mode>_5): Ditto.
1959 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1962 * c-typeck.c (set_nonincremental_init,
1963 set_nonincremental_init_from_string): Pass true instead of false
1964 as IMPLICIT to add_pending_init.
1966 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1968 Backport from 2012-04-24 mainline r186768.
1971 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1973 2012-04-24 Richard Guenther <rguenther@suse.de>
1975 PR tree-optimization/53085
1976 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1979 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1982 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1984 (output_addressed_constants): Likewise.
1987 * varasm.c (get_section): Don't ICE for section conflicts with
1988 built-in section kinds.
1990 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1992 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1994 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1996 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1998 2012-04-23 Richard Guenther <rguenther@suse.de>
2001 * c-typeck.c (build_binary_op): Fix typo.
2003 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2005 PR tree-optimizations/52891
2006 * tree-vect-patterns.c (adjust_bool_pattern): Use
2007 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2008 but with non-standard precision.
2010 2012-04-22 Ian Lance Taylor <iant@google.com>
2012 * godump.c (go_output_typedef): Dump size of structs.
2014 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2016 Backport from mainline:
2018 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2019 hints for 'A' operand types.
2021 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2023 Backport from 2012-04-19 mainline r186588.
2026 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2027 the case *(X+const).
2029 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2031 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2033 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2036 * config/i386/sync.md (atomic_<code><mode>): Rename to
2037 atomic_<logic><mode>.
2039 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2041 Backport from mainline
2042 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2045 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2046 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2047 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2048 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2049 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2050 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2051 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2052 gen_avx2_permvarv8sf.
2054 2012-04-16 Martin Jambor <mjambor@suse.cz>
2056 Backported from mainline
2058 2012-04-13 Martin Jambor <mjambor@suse.cz>
2061 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2062 fold_ctor_reference returns a zero constant.
2064 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2066 Backported from mainline
2067 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2069 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2070 and __ILP32__ for x32.
2072 2012-04-13 Tom de Vries <tom@codesourcery.com>
2074 Backport from mainline r186418.
2076 2012-04-13 Tom de Vries <tom@codesourcery.com>
2078 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2079 parameters vuse and vuse_escaped.
2080 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2081 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2084 2012-04-13 Richard Guenther <rguenther@suse.de>
2086 PR tree-optimization/52969
2087 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2088 the condition for the COND_EXPR and handle predicate negation
2089 by swapping the COND_EXPR arms.
2091 2012-04-13 Richard Guenther <rguenther@suse.de>
2094 * convert.c (convert_to_pointer): Remove special-casing of
2097 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2099 Backport from mainline
2100 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2103 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2104 the list of options to enable the FCFID instruction.
2105 (TARGET_EXTRA_BUILTINS): Adjust comment.
2107 2012-04-12 Richard Guenther <rguenther@suse.de>
2109 PR tree-optimization/52943
2110 * tree-chrec.h (chrec_is_positive): Remove.
2111 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2112 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2113 Return false for a constant zero instead of negative.
2114 (analyze_siv_subscript_cst_affine): Handle zero difference
2115 in the initial condition explicitely.
2117 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2120 * varasm.c (process_pending_assemble_externals): Set
2121 pending_assemble_externals_processed true.
2122 (assemble_external): Call assemble_external_real if the pending
2123 assemble externals have been processed.
2125 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2128 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2129 the DECL generated for the special GOT helper.
2131 2012-04-06 Walter Lee <walt@tilera.com>
2133 Backport from mainline
2134 2012-03-07 Walter Lee <walt@tilera.com>
2136 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2137 REG_CFA_* notes for the stack pointer.
2138 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2139 EH_RETURN_STACKADJ_RTX.
2140 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2141 generate REG_CFA_* notes for the stack pointer.
2142 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2143 by EH_RETURN_STACKADJ_RTX.
2145 2012-04-06 Matt Turner <mattst88@gmail.com>
2147 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2149 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2151 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2152 of the destination isn't also a FP_REGS register.
2154 2012-04-03 Richard Guenther <rguenther@suse.de>
2156 Backport from mainline
2157 2012-03-02 Richard Guenther <rguenther@suse.de>
2159 PR tree-optimization/52406
2160 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2161 (struct indices): Add unconstrained_base member.
2162 (struct dr_alias): Remove unused vops member.
2163 (DR_UNCONSTRAINED_BASE): New define.
2164 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2165 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2166 be an artificial access that covers the whole indexed object,
2167 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2168 plain decl base-objects to their MEM_REF variant.
2169 (dr_may_alias_p): When the base-object of either data reference
2170 has unknown size use only points-to information.
2171 (compute_affine_dependence): Make dumps easier to read and
2173 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2174 DR_REF when looking for packed references.
2175 (vect_supportable_dr_alignment): Likewise.
2177 2012-04-03 Richard Guenther <rguenther@suse.de>
2179 Backport from mainline
2180 2012-03-15 Richard Guenther <rguenther@suse.de>
2183 * tree-data-ref.c (subscript_dependence_tester_1): Check
2184 all dimensions for non-conflicting access functions.
2186 2012-04-03 Richard Guenther <rguenther@suse.de>
2188 Backport from mainline
2189 2012-03-06 Richard Guenther <rguenther@suse.de>
2192 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2194 2012-03-23 Richard Guenther <rguenther@suse.de>
2196 PR tree-optimization/52678
2197 * tree-vectorizer.h (struct _stmt_vec_info): Add
2198 loop_phi_evolution_part member.
2199 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2200 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2201 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2202 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2203 Use the cached evolution part and the PHI nodes value from
2204 the loop preheader edge instead of re-analyzing the evolution.
2206 2012-03-26 Richard Guenther <rguenther@suse.de>
2208 PR tree-optimization/52701
2209 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2210 compute and set the evolution part of PHI nodes.
2212 2012-03-30 Richard Guenther <rguenther@suse.de>
2214 PR tree-optimization/52754
2215 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2216 propagate arbitrary addresses into really plain dereferences.
2218 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2220 PR tree-optimization/52835
2221 * tree-data-ref.c (build_rdg): Return NULL if
2222 compute_data_dependences_for_loop failed.
2224 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2226 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2227 (stmt_can_make_abnormal_goto): Use it.
2228 (is_ctrl_altering_stmt): Likewise.
2230 2012-03-31 Martin Jambor <mjambor@suse.cz>
2232 Backported from mainline
2233 2012-03-30 Martin Jambor <mjambor@suse.cz>
2235 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2236 is a builtin_stack_save in a dominating BB.
2238 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2240 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2241 crossing 128bit lane boundary.
2243 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2245 Backported from mainline
2246 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2249 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2251 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2252 * config/i386/i386.c: Include reload.h.
2253 (ix86_legitimize_reload_address): New function.
2255 2012-03-28 Martin Jambor <mjambor@suse.cz>
2257 Backported from mainline
2258 2012-03-27 Martin Jambor <mjambor@suse.cz>
2261 * tree-sra.c (sra_modify_assign): Do not call
2262 load_assign_lhs_subreplacements when working with an unscalarizable
2265 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2268 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2269 __builtin_va_start to __builtin_next_arg if the latter is
2270 builtin_decl_explicit_p rather than when it is not.
2273 * tree-vect-generic.c (vector_element): Perform multiplication
2274 for pos in bitsizetype type instead of idx type.
2276 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2278 Backport from 2012-03-28 mainline r185910.
2281 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2282 (avr_builtin_decl): New static function.
2283 (struct avr_builtin_description, avr_bdesc): Move up.
2284 Add GTY marker. Add field fndecl. Remove redundant field id.
2285 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2286 (avr_expand_builtin): Code cleanup because .id is removed.
2288 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2291 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2294 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2296 Backport from 2012-03-28 mainline r185907.
2299 * config.gcc (tm_file): Remove avr/multilib.h.
2301 * doc/invoke.texi (AVR Options): Adjust
2302 documentation of -mtiny-stack.
2304 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2305 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2306 * config/avr/t-avr: Remove generation of multilib.h.
2307 * config/avr/t-multilib: Regenerate.
2308 * config/avr/multilib.h: Remove.
2309 * config/avr/avr.opt (-msp8): New option.
2310 (avr_sp8): New variable.
2311 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2312 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2313 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2314 (avr_device_to_sp8): New prototype.
2315 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2316 (DRIVER_SELF_SPECS): New define.
2317 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2318 __AVR_SP8__, __AVR_HAVE_SPH__.
2319 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2320 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2321 (avr_file_start): Ditto.
2323 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2326 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2327 instead of 8 in adjust_address.
2329 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2331 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2332 of a unit before computing the offset in units.
2334 2012-03-27 Richard Guenther <rguenther@suse.de>
2337 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2340 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2343 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2345 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2348 * varasm.c: Include pointer-set.h.
2349 (pending_assemble_externals_set): New pointer set.
2350 (process_pending_assemble_externals): Destroy the pointer set.
2351 (assemble_external): See if decl is in pending_assemble_externals_set,
2352 and add it to pending_assemble_externals if necessary.
2353 (init_varasm_once): Allocate pending_assemble_externals_set.
2355 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2357 Backported from mainline
2358 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2361 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2362 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2363 (vector_ltgt<mode>): Likewise.
2364 (vector_ordered<mode>): Likewise.
2365 (vector_unordered<mode>): Likewise.
2366 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2368 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2370 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2373 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2375 Backported from mainline
2376 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2380 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2381 GENERAL_REGS and FP_REGS for SImode.
2383 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2386 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2387 on any new_local_var_chain vars declared during recursing on
2388 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2390 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2392 Backport from 2012-03-22 mainline r185692.
2395 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2396 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2397 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2398 (delay_cycles_1, delay_cycles_2): Ditto.
2399 (delay_cycles_3, delay_cycles_4): Ditto.
2400 (nopv, *nopv): Ditto.
2401 (sleep, *sleep): Ditto.
2404 Backport from 2012-03-21 mainline r185605.
2406 PR rtl-optimization/52543
2408 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2409 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2410 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2411 (avr_load_libgcc_p): Restrict to __flash loads.
2412 (avr_out_lpm): Only handle 1-byte loads from __flash.
2413 (avr_load_lpm): New function.
2414 (avr_find_unused_d_reg): Remove.
2415 (avr_out_lpm_no_lpmx): Remove.
2416 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2417 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2418 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2419 (load_<mode>, load_<mode>_clobber): New insns.
2420 (mov<mode>): For multi-byte move from non-generic
2421 16-bit address spaces: Expand to load_<mode> resp.
2422 load_<mode>_clobber.
2423 (load<mode>_libgcc): Remove expander.
2424 (split-lpmx): Remove split.
2426 Backport from 2012-03-13 mainline r185329.
2429 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2430 offset (size) to a value the insns can deal with.
2431 (expand_epilogue): Ditto.
2433 Backport from 2012-03-12 mainline r185256.
2436 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2437 type from reg_class_t to enum reg_class.
2438 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2440 Backport from 2012-03-12 mainline r185253.
2443 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2444 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2445 r184615 from 2012-02-28.
2447 Backport from 2012-03-08 mainline r185105.
2449 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2450 for constants in [-63,63].
2452 Backport from 2012-03-08 mainline r185100.
2455 * config/avr/avr.c (avr_mem_clobber): New static function.
2456 (avr_expand_delay_cycles): Add memory clobber operand to
2457 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2458 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2459 (enable_interrupt, disable_interrupt): New expander.
2460 (nopv, sleep, wdr): New expanders.
2461 (delay_cycles_1): Add memory clobber.
2462 (delay_cycles_2): Add memory clobber.
2463 (delay_cycles_3): Add memory clobber.
2464 (delay_cycles_4): Add memory clobber.
2465 (cli_sei): New insn from former "enable_interrupt",
2466 "disable_interrupt" with memory clobber.
2467 (*wdt): New insn from former "wdt" with memory clobber.
2468 (*nopv): Similar, but for "nopv".
2469 (*sleep): Similar, but for "sleep".
2471 Backport from 2012-03-07 mainline r185043.
2474 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2476 Backport from 2012-03-07 mainline r185032.
2479 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2480 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2481 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2483 Backport from 2012-03-07 mainline r185031.
2486 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2488 * config/avr/avr.md (xload_8): Adjust insn length.
2490 Backport from 2012-03-07 mainline r185030.
2493 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2494 if RAMPZ affects reading from RAM.
2496 Backport from 2012-03-05 mainline r184919.
2498 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2500 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2502 Backport from mainline r185259.
2505 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2506 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2508 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2510 Backported from mainline
2511 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2514 * c-parser.c (c_parser_postfix_expression)
2515 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2517 * config/i386/smmintrin.h: Avoid /* within a comment.
2518 * config/i386/nmmintrin.h: Likewise.
2520 2012-03-22 Richard Guenther <rguenther@suse.de>
2522 * BASE-VER: Set to 4.7.1.
2523 * DEV-PHASE: Set to prerelease.
2525 2012-03-22 Release Manager
2527 * GCC 4.7.0 released.
2529 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2531 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2533 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2534 Andrew Pinski <apinski@cavium.com>
2537 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2538 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2539 calls instead of __builtin_ir{int,ound}*.
2541 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2544 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2547 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2549 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2550 Refer to GCC 4.7 version of c99status.html.
2552 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2554 Backport from mainline
2555 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2557 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2558 redefine to be NULL if the current bit-size is different from the
2559 configured bit-size.
2561 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2562 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2563 set the default tuning. Add asserts to make sure the cpu and tune
2564 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2565 test whether the index is set, instead of > 0.
2566 (rs6000_file_start): Do not reset the default cpu if the current
2567 bit-size is different from the configured bit-size.
2569 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2571 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2573 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2574 Update binutils references.
2575 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2576 Update binutils reference.
2577 Update Sun as/GNU ld caveat.
2578 Document binutils largefile requirement for LTO plugin.
2579 Remove reference to alternate libpthread.
2581 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2583 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2585 (Specific, mips-sgi-irix6): Likewise.
2587 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2589 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2590 * configure: Regenerate.
2592 2012-03-07 Richard Henderson <rth@redhat.com>
2594 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2595 * config/m68k/sync.md (atomic_test_and_set): Use it.
2596 (atomic_test_and_set_1): Likewise.
2598 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2601 * Makefile.in: Let install-gcc-ar depend on installdirs,
2602 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2603 Don't double canonicalize if cross-compiling.
2605 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2607 * trans-mem.c: New typedef for tm_region_p.
2608 Define vector types for tm_region_p.
2609 (tm_region_init): Replace region_worklist to a vector called
2612 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2615 * trans-mem.c (tm_region_init): Use last_basic_block.
2617 2012-03-05 Richard Henderson <rth@redhat.com>
2620 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2621 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2622 BIGGEST_ALIGNMENT is aligned.
2624 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2626 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2628 2012-03-05 Richard Henderson <rth@redhat.com>
2631 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2632 instead of calling negqi2 directly.
2634 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2636 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2637 (INTMAX_TYPE): Use it.
2638 (UINTMAX_TYPE): Likewise.
2639 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2640 (irix6_c_common_override_options): Declare.
2641 (C_COMMON_OVERRIDE_OPTIONS): Define.
2642 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2643 * config/mips/irix6-c.c: New file.
2644 * config/mips/t-irix6 (irix6-c.o): New target.
2645 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2648 2012-03-02 Richard Henderson <rth@redhat.com>
2650 * optabs.c (expand_atomic_test_and_set): Honor
2651 atomic_test_and_set_trueval even when atomic_test_and_set
2652 optab is not in use.
2654 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2656 Backport from mainline
2657 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2659 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2661 2012-03-02 Richard Guenther <rguenther@suse.de>
2663 * DEV-PHASE: Set to prerelease.
2665 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2667 * config.gcc (obsolete): Add all ARM targets using the FPA.
2668 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2669 * doc/install.texi: Avoid references to obsolete ARM ports.
2671 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2673 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2675 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2676 Joern Rennecke <joern.rennecke@embecosm.com>
2678 * doc/extend.texi: Expand and update information on interrupt
2679 attribute for Epiphany.
2681 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2683 * config/sh/sh-protos.h: Update copyright notice dates.
2684 * config/sh/sh.h: Likewise.
2685 * config/sh/sh.md: Likewise.
2686 * config/sh/constraints.md: Likewise.
2687 * config/sh/predicates.md: Likewise.
2689 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2691 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2692 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2694 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2696 * config/sh/constraints.md: Fix comment typo.
2698 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2701 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2702 unsigned HOST_WIDE_INT.
2703 (zvdep_imm64): Likewise.
2704 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2705 (vdepi_and): Likewise.
2706 Likewise for unamed 64-bit patterns.
2707 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2709 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2712 PR rtl-optimization/52417
2713 * cselib.c (cselib_any_perm_equivs): New variable.
2714 (cselib_reset_table): Check that it's not set when not
2715 preserving constants.
2716 (cselib_add_permanent_equiv): Set it.
2717 (cselib_have_permanent_equivalences): New.
2718 (cselib_init, cselib_finish): Reset it.
2719 * cselib.h (cselib_have_permanent_equivalences): Declare.
2720 * alias.c (get_addr): Restore earlier behavior when there
2721 aren't permanent equivalences.
2723 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2725 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2726 * config/v850/v850-modes.def: Fix copyright notice.
2728 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2730 * doc/extend.texi (AVR Built-in Functions): Document
2731 __builtin_avr_flash_segment.
2733 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2734 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2735 (*split.flash_segment): New insn-and-split.
2736 * config/avr/avr.c (avr_init_builtins): Add local variables:
2737 const_memx_void_node, const_memx_ptr_type_node,
2738 char_ftype_const_memx_ptr.
2740 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2742 PR tree-optimization/52445
2743 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2744 add ssa_name_ver, offset and size fields and change store field
2746 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2747 (add_or_mark_expr): Likewise. Only consider previous stores
2748 with the same size and offset.
2749 (nt_init_block): Only look at gimple_assign_single_p stmts,
2750 doesn't look at rhs2.
2752 2012-03-01 Richard Guenther <rguenther@suse.de>
2755 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2756 conversions from integral types to pointer types.
2758 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2760 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2761 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2762 unintentionally removed in r184616.
2764 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2766 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2769 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2770 Uros Bizjak <ubizjak@gmail.com>
2773 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2774 alternatives, add "e" constraint to the new last alternative
2775 and ! to last 3 alternatives.
2777 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2779 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2780 DW_AT_artificial attributes at the end of the processing.
2781 (gen_array_type_die): Likewise.
2782 (gen_enumeration_type_die): Likewise.
2783 (gen_struct_or_union_type_die): Likewise.
2784 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2787 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2790 * expr.c (expand_assignment): If doing misaligned store that doesn't
2791 cover all mode bits, perform a RMW cycle.
2793 PR tree-optimization/52429
2794 * tree-parloops.c (separate_decls_in_region_debug): Return early
2795 if var is LABEL_DECL.
2797 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2799 PR tree-optimization/52424
2800 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2801 calling dom_thread_across_edge.
2803 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2805 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2807 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2809 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2810 * config/avr/avr.c (avr_output_bld): Remove unused function.
2811 (avr_out_sbxx_branch): Use "%T" to print bit position.
2813 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2815 * config/avr/avr.md: Untabify.
2817 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2819 * config/avr/avr.md (eqne): New code iterator.
2820 (*dec-and-branchsi): Use it in text peephole's condition.
2821 (*dec-and-branchhi): Ditto.
2822 (*dec-and-branchqi): Ditto.
2824 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2827 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2828 the device does not have the skip-bug.
2830 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2832 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2833 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2834 -mpretend-cmove): New.
2836 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2839 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2840 doesn't count DEBUG_INSN refs.
2841 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2842 for DEBUG_INSN refs.
2844 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2848 2012-02-20 Richard Guenther <rguenther@suse.de>
2849 PR tree-optimization/52298
2850 * tree-vect-stmts.c (vectorizable_load): Properly use
2851 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2854 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2857 * gimple.h (gimple_in_transaction): New.
2858 (gimple_set_in_transaction): New.
2859 (struct gimple_statement_base): Add in_transaction field.
2860 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2862 (tree_ssa_lim_initialize): Compute transaction bits.
2863 * tree.h (compute_transaction_bits): Protoize.
2864 * trans-mem.c (tm_region_init): Use the heap to store BB
2866 (compute_transaction_bits): New.
2868 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2870 * gcc.c (display_help): Document --help=common and sort entries
2873 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2875 * doc/install.texi: Document check-$LANG specific shortcuts
2877 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2880 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2882 * config/arm/arm_neon.h: Regenerate.
2883 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2884 (neon_vcgeu): New insn.
2885 (neon_vcgtu): Likewise.
2886 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2887 (ops): Unsigned comparison intrinsics call a different
2890 2012-02-28 Richard Guenther <rguenther@suse.de>
2893 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2894 ordering for the VEC_CONCAT for two element vectors for
2895 V2SFmode, V2SImode and V2DImode.
2897 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2900 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2901 detecting big-endian triplets.
2903 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2905 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2906 mode if there is no type information available.
2908 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2910 PR tree-optimization/53207
2911 * doc/invoke.texi: Document as experimental and relying on graphite.
2913 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2915 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2916 of initializer to changes from r184614.
2918 2012-02-28 Richard Guenther <rguenther@suse.de>
2920 PR tree-optimization/52395
2921 * tree-sra.c (build_ref_for_offset): Also look at the base
2922 TYPE_ALIGN when figuring out the alignment of the replacement.
2924 2012-02-28 Richard Guenther <rguenther@suse.de>
2926 PR tree-optimization/52402
2927 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2928 mis-aligned types when creating the accesses at the call site.
2930 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2932 * config/avr/builtins.def: New file.
2933 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2934 * config/avr/avr.c (enum avr_builtin_id): Use it.
2935 (avr_init_builtins): Use it. And use avr_bdesc.
2936 (bdesc_1arg): Remove.
2937 (bdesc_2arg): Remove.
2938 (bdesc_3arg): Remove.
2939 (struct avr_builtin_description): Add field n_args.
2940 (avr_bdesc): New static variable using builtins.def.
2941 (avr_expand_builtin): Use it.
2942 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2943 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2944 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2946 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2949 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2950 match only one single hard register with respective hard reg rtx.
2951 (movmemx_<mode>): Ditto.
2952 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2953 insn anatomy of movmem[x]_<mode>.
2954 (avr_out_movmem): Same for printing assembler and operand usage.
2956 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2960 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2961 address spaces located outside of device flash.
2963 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2964 (mcu_type_s): Add field n_flash.
2965 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2966 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2967 (AVR_MCU): Add N_FLASH argument.
2968 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2969 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2970 macro __FLASH<n> if that address space makes sense for the device.
2971 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2972 outside of target flash.
2973 (avr_asm_named_section): Ditto.
2974 (avr_asm_select_section): Ditto.
2975 (avr_addr_space_convert): Ditto.
2976 (avr_emit_movmemhi): Ditto.
2977 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2978 address space is outside of device flash.
2979 (avr_insert_attributes): Ditto.
2980 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2981 avr_current_arch->n_segments.
2983 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2986 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2988 (*movabs<mode>_2): Likewise.
2990 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2993 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2994 s_register_operand in the test instead of REG_P. Don't call
2995 gen_reg_rtx if it won't be used.
2997 PR tree-optimization/52376
2998 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3000 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3002 * ifcvt.c (noce_get_condition): Check condition variable is not
3003 small_register_classes_for_mode_p before accepting.
3005 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3007 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3009 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3012 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3013 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3015 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3017 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3019 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3021 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3023 * config/sh/predicates.md: Remove blank lines.
3024 * config/sh/sh.c: Fix typos in comments.
3025 * config/sh/constraints.md: Likewise.
3026 * config/sh/sh.md: Remove blank lines.
3027 Fix typos in comments. Use ;; as comment characters.
3029 2012-02-26 Walter Lee <walt@tilera.com>
3031 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3032 (replace_mov_pcrel_step2): Ditto.
3034 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3037 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3038 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3039 and locs that reference values newer than the non-canonical value
3040 at hand. Return the canonical value as a worst case.
3041 (memrefs_conflict_p): Walk canonical value's locs.
3044 * cselib.c (preserve_only_constants): Rename to...
3045 (preserve_constants_and_equivs): ... this. Split out...
3046 (invariant_or_equiv_p): ... this. Preserve plus expressions
3047 of other preserved expressions too.
3048 (cselib_reset_table): Adjust.
3049 * var-tracking.c (reverse_op): Use canonical value to build
3052 2012-02-23 Kai Tietz <ktietz@redhat.com>
3054 * config/i386/i386.c (ix86_delegitimize_address): Handle
3055 UNSPEC_PCREL plus displacement.
3057 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3060 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3061 to test for unusedness in st X addressing.
3063 2012-02-24 Richard Guenther <rguenther@suse.de>
3066 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3067 (is_gimple_reg_type): Move inline ...
3068 * gimple.h (is_gimple_reg_type): ... here.
3070 2012-02-24 Richard Guenther <rguenther@suse.de>
3073 * passes.c (execute_function_todo): When verifying SSA form
3074 verify gimple form first.
3075 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3077 2012-02-24 Richard Guenther <rguenther@suse.de>
3080 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3081 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3083 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3085 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3087 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3089 * tree-phinodes.c (make_phi_node): Mark static.
3090 * tree-flow.h (make_phi_node): Remove extern decl.
3091 * doc/gimple.texi (make_phi_node): Remove documentation.
3093 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3095 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3096 * tree-ssa-sccvn.c (print_scc): Ditto.
3098 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3100 * doc/passes.texi (Full redundancy elimination): Fix typo.
3102 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3104 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3106 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3109 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3111 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3114 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3116 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3118 * config/avr/avr.md (code_stdname): Add ior, xor.
3119 (xior): New code iterator.
3120 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3121 (*<code_stdname><mode>qi.byte1-3): Ditto.
3123 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3125 PR tree-optimization/52019
3126 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3129 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3131 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3132 HAVE_INITFINI_ARRAY to work around namespace pollution in
3133 certain versions of newlib system headers.
3134 * config.in: Regenerate.
3135 * configure: Regenerate.
3136 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3137 instead of HAVE_INITFINI_ARRAY.
3139 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3142 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3143 is not offsettable memory reference.
3145 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3148 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3149 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3151 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3153 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3154 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3156 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3158 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3159 library on Solaris 8 even without TLS support.
3160 * configure: Regenerate.
3162 2012-02-22 Richard Guenther <rguenther@suse.de>
3165 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3166 for GIMPLE_DEBUG stmts.
3168 2012-02-22 Martin Jambor <mjambor@suse.cz>
3171 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3172 according to the base object.
3174 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3176 PR rtl-optimization/50063
3177 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3178 and 2 (8-bit SP) in operand 2.
3179 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3180 setup to use movhi_sp_r instead of vanilla move to write SP.
3181 Adjust REG_CFA notes to superseed unspec.
3182 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3184 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3185 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3186 irq_state 1 (IRQ known to be on) here.
3188 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3190 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3192 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3193 assign_hard_reg): Likewise.
3195 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3197 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3199 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3202 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3203 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3205 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3207 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3208 prototype from here to...
3209 * config/avr/avr.h: ...here.
3211 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3214 * thumb2.md (thumb2_shiftsi3_short): Split register and
3215 immediate shifts. For register shifts tie operands 0 and 1.
3216 (peephole2 for above): Check that register-controlled shifts
3217 have suitably tied operands.
3219 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3222 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3223 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3224 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3225 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3226 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3227 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3228 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3229 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3230 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3231 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3232 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3233 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3234 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3235 bdver1_ssevector_avx256_unaligned_load,
3236 bdver1_ssevector_sse128_unaligned_load,
3237 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3238 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3239 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3240 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3241 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3242 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3243 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3244 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3245 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3246 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3247 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3248 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3249 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3250 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3251 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3252 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3253 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3254 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3255 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3256 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3257 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3258 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3259 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3260 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3261 bdver1_ssediv_double_load, bdver1_ssediv_double,
3262 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3263 Add "bdver2" attribute.
3265 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3267 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3268 default if possible and not specified otherwise.
3270 2012-02-21 Richard Guenther <rguenther@suse.de>
3273 * gimplify.c (create_tmp_from_val): Use the main variant type
3274 for the type of the temporary we create.
3276 2012-02-21 Richard Guenther <rguenther@suse.de>
3278 PR tree-optimization/52324
3279 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3280 do not gimplify a MEM_REF address operand if it is already
3283 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3285 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3286 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3288 2012-02-21 Richard Guenther <rguenther@suse.de>
3290 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3291 nested_in_vect_loop.
3293 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3295 PR tree-optimization/52318
3296 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3297 vdef also to non-pure/const call stmts in the sequence.
3299 2012-02-20 David S. Miller <davem@davemloft.net>
3301 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3302 don't use the "rd %pc" instruction on v9 for PIC register loads.
3304 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3307 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3308 in a transaction safe function.
3310 2012-02-20 Kai Tietz <ktietz@redhat.com>
3313 * stor-layout.c (place_field): Handle desired_align for
3316 2012-02-20 Richard Guenther <rguenther@suse.de>
3318 PR tree-optimization/52298
3319 * tree-vect-stmts.c (vectorizable_store): Properly use
3320 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3322 (vectorizable_load): Likewise.
3323 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3324 Access DR_STEP after ensuring it is not NULL.
3326 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3328 PR tree-optimization/52286
3329 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3330 optimization use double_int_to_tree instead of build_int_cst_wide,
3331 rewrite to use double_int vars.
3333 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3336 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3338 Remove -e 0 from $gcc_cv_ld invocation.
3339 Only use __GLIBC_PREREQ if defined.
3340 Enable on Solaris since Solaris 8 patch.
3341 (gcc_SUN_LD_VERSION): New macro.
3342 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3343 gcc_SUN_LD_VERSION for version number format.
3344 * configure: Regenerate.
3345 * varasm.c (get_elf_initfini_array_priority_section): Set
3346 SECTION_NOTYPE for non-default priority.
3347 Use get_section instead of get_unnamed_section to emit
3348 .init_array/.fini_array with default priority.
3350 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3352 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3353 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3354 (mips_start_unique_function, mips_output_mips16_rdhwr)
3355 (mips_code_end): New functions.
3356 (TARGET_ASM_CODE_END): Define.
3358 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3360 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3361 to stubs with non-sibling calls.
3363 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3365 * doc/invoke.texi (-fira-* options): Copy-edit.
3366 (ira-* parameters): Copy-edit.
3368 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3370 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3371 GCC coding conventions.
3373 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3375 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3376 when used as adjectives.
3378 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3380 * doc/invoke.texi: Clean up "that"/"which" confusion.
3382 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3384 * system.h: Poison SMALL_REGISTER_CLASSES
3385 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3386 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3388 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3390 PR tree-optimization/52285
3391 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3392 when deciding if a call is a tail call or tail recursion.
3394 2012-02-16 Kai Tietz <ktietz@redhat.com>
3396 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3397 interger-constant displacement for UNSPEC_PCREL.
3399 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3401 PR rtl-optimization/52208
3402 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3403 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3405 PR tree-optimization/52255
3406 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3407 loop->header has virtual PHI, but exit_e->dest doesn't, add
3408 virtual PHI to exit_e->dest and adjust all uses after the loop.
3411 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3412 children with clone_tree_hash, not after it.
3414 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
3416 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3417 extended identifiers.
3419 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3422 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3423 a same_body_alias, also test whether e->callee isn't a former
3424 or current clone of the decl this is a same body alias of.
3426 PR translation/52264
3427 * cgraphunit.c (verify_cgraph_node): Fix a typo.
3429 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
3431 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3433 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
3436 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3437 force_reg instead of copy_to_reg for better optimization. Force
3438 non-register or memory operands into a register.
3440 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
3442 * extend.texi: Reserve upper bits of memory model for future use.
3444 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
3445 Anatoly Sokolov <aesok@post.ru>
3446 Eric Weddington <eric.weddington@atmel.com>
3449 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3450 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3451 Rewrite initializers for .macro.
3452 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3453 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3454 atxmega32d4, atxmega32x1.
3455 avrxmega4: atxmega64a3, atxmega64d3.
3456 avrxmega5: atxmega64a1, atxmega64a1u.
3457 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3458 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3459 avrxmega7: atxmega128a1, atxmega128a1u.
3460 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3461 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3462 (struct base_arch_s): Rename reserved to xmega_p.
3463 Rename reserved2 to have_rampd.
3464 (AVR_XMEGA): New define.
3465 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3466 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3467 * config/avr/predicates.md (io_address_operand): Take into
3469 (low_io_address_operand): Ditto.
3470 (high_io_address_operand): Ditto.
3471 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3472 (enabled, movhi_sp_r): Use them.
3473 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3474 cpp_define_formatted to built-in define __AVR_ARCH__.
3475 (__AVR_XMEGA__): New built-in define.
3476 (__AVR_HAVE_RAMPD__): New built-in define.
3477 (__AVR_HAVE_RAMPX__): New built-in define.
3478 (__AVR_HAVE_RAMPY__): New built-in define.
3479 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3481 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3482 (avr_option_override): Initialize them.
3483 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3484 (avr_init_expanders): Initialize them. No more block several calls.
3485 (emit_push_sfr): New static function.
3486 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3488 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3489 (avr_print_operand): Print addreeses as symbols for
3490 RAMPX, RAMPY, RAMPD, CCP.
3491 (output_movhi): Handle AVR_XMEGA when writing to SP.
3492 (avr_out_movhi_mr_r_xmega): New static function.
3493 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3494 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
3495 __RAMPD__, __CCP__ as needed.
3497 * config/avr/multilib.h: Regenerate.
3498 * config/avr/t-multilib: Regenerate.
3499 * config/avr/avr-tables.opt: Regenerate.
3501 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3503 PR tree-optimization/50561
3504 * graphite-flattening.c (lst_project_loop): Do not
3505 remove old scattering dimensions after flattening.
3506 (lst_do_flatten): Likewise.
3508 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3510 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3511 __builtin_avr_map8, __builtin_avr_map16.
3512 Document __builtin_avr_insert_bits.
3514 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3515 (insert_bits): New insn.
3516 (adjust_len.map_bits): Rename to insert_bits.
3517 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3518 * avr-protos.h (avr_out_map_bits): Remove.
3519 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3520 * config/avr/constraints.md (Cxf,C0f): New.
3521 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3522 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3523 New built-in define __BUILTIN_AVR_INSERT_BITS.
3524 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3525 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3526 (avr_move_bits): Rewrite.
3527 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3529 (avr_map_op_t): New typedef.
3530 (avr_map_op): New static variable.
3531 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3532 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3533 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3534 (bdesc_3arg, avr_expand_triop_builtin): New.
3535 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3536 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3537 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3538 (avr_map_equal_p, avr_map_sig_p): Remove.
3539 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3540 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3541 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3542 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3543 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3544 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3546 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3548 * config/c6x/c6x.md (reserve_cycles): New attribute.
3549 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3550 don't reserve functional units after the branch occurs.
3552 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3555 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3556 functions into non-tm_pure functions.
3558 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3561 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3562 (iterative_hash_canonical_type): Likewise.
3563 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3566 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3568 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3569 sched-group insn, it either remains alone or the entire list is pruned.
3571 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3573 * doc/install.texi (Prerequisites): Fix grammar.
3574 (Configuration): Likewise.
3576 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3578 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3579 MPC as part of GCC before describing configuring with --with-gmp etc.
3580 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3581 sources are present.
3583 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3586 * dwarf2out.c (clone_tree_hash): New function.
3587 (copy_decls_walk): Use it instead of clone_tree.
3589 2012-02-14 Richard Guenther <rguenther@suse.de>
3591 PR tree-optimization/52244
3592 PR tree-optimization/51528
3593 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3594 replacements for integral types.
3596 2012-02-14 Walter Lee <walt@tilera.com>
3598 * config.gcc: Handle tilegx and tilepro.
3599 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3601 Add HAVE_AS_TLS check for tilegx and tilepro.
3602 * configure: Regenerate.
3603 * doc/contrib.texi: Add Mat Hostetter and self.
3604 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3605 Document instruction intrinsics and network accessing intrinsics.
3606 (TILEPro Built-in Functions): New node. Document instruction
3607 intrinsics and network accessing intrinsics.
3608 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3609 (Specific, tilepro-*-linux*): Likewise.
3610 * doc/invoke.texi (TILE-Gx Options): New section.
3611 (TILEPro Options): New section.
3612 * doc/md.texi (TILE-Gx): New section.
3613 (TILEPro): New section.
3614 * common/config/tilegx/tilegx-common.c: New file.
3615 * common/config/tilepro/tilepro-common.c: New file.
3616 * config/tilegx/constraints.md: New file.
3617 * config/tilegx/linux.h: New file.
3618 * config/tilegx/mul-tables.c: New file.
3619 * config/tilegx/predicates.md: New file.
3620 * config/tilegx/sync.md: New file.
3621 * config/tilegx/t-tilegx: New file.
3622 * config/tilegx/tilegx-builtins.h: New file.
3623 * config/tilegx/tilegx-c.c: New file.
3624 * config/tilegx/tilegx-generic.md: New file.
3625 * config/tilegx/tilegx-modes.def: New file.
3626 * config/tilegx/tilegx-multiply.h: New file.
3627 * config/tilegx/tilegx-protos.h: New file.
3628 * config/tilegx/tilegx.c: New file.
3629 * config/tilegx/tilegx.h: New file.
3630 * config/tilegx/tilegx.md: New file.
3631 * config/tilegx/tilegx.opt: New file.
3632 * config/tilepro/constraints.md: New file.
3633 * config/tilepro/gen-mul-tables.cc: New file.
3634 * config/tilepro/linux.h: New file.
3635 * config/tilepro/mul-tables.c: New file.
3636 * config/tilepro/predicates.md: New file.
3637 * config/tilepro/t-tilepro: New file.
3638 * config/tilepro/tilepro-builtins.h: New file.
3639 * config/tilepro/tilepro-c.c: New file.
3640 * config/tilepro/tilepro-generic.md: New file.
3641 * config/tilepro/tilepro-modes.def: New file.
3642 * config/tilepro/tilepro-multiply.h: New file.
3643 * config/tilepro/tilepro-protos.h: New file.
3644 * config/tilepro/tilepro.c: New file.
3645 * config/tilepro/tilepro.h: New file.
3646 * config/tilepro/tilepro.md: New file.
3647 * config/tilepro/tilepro.opt: New file.
3649 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3651 PR tree-optimization/52210
3652 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3653 vect_model_simple_cost with two entry vect_def_type array instead
3654 of an address of dt.
3656 2012-02-14 Richard Guenther <rguenther@suse.de>
3659 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3660 Do not stream DECL_QUALIFIER.
3661 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3662 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3663 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3665 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3668 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3671 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3674 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3675 * cselib.c (cselib_subst_to_values_from_insn): New function.
3676 * sched-deps.c (add_insn_mem_dependence,
3677 sched_analyze_1, sched_analyze_2): Use it.
3679 2012-02-13 Jan Hubicka <jh@suse.cz>
3682 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3684 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3686 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3687 (GTM_SELF_SPECS): Define if not already defined.
3688 (driver_self_specs): Add GTM_SELF_SPECS.
3689 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3690 (GTM_SELF_SPECS): Define.
3691 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3692 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3694 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3696 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3699 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3702 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3703 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3705 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3708 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3710 2012-02-13 Richard Guenther <rguenther@suse.de>
3712 PR translation/52211
3713 * passes.c (enable_disable_pass): Fix typo.
3715 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3718 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3719 XOR for reduce_bit_field if type is unsigned.
3721 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3723 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3724 disallow changes from SFmode to mode with different size in FP regs.
3726 2012-02-12 Robert Millan <rmh@gnu.org>
3727 Gerald Pfeifer <gerald@pfeifer.com>
3729 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3732 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3734 PR rtl-optimization/52175
3735 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3736 to frame-related instructions.
3738 2012-02-10 Jason Merrill <jason@redhat.com>
3741 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3742 (demangle_new_symbols): Fill it.
3743 (scan_linker_output): Walk it.
3744 (start_tweaking): Split out from scan_linker_output.
3745 (maybe_tweak): Update sym->chosen.
3746 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3748 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3751 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3753 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3755 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3756 having the same mode as previous compare.
3758 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3760 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3761 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3762 (nonlocal_goto_internal): Likewise.
3763 (nonlocal_goto): Emit a use and an indirect jump directly.
3765 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3768 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3769 __atomic_{is,always}_lock_free.
3771 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3774 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3775 negative constant address for x32.
3777 2012-02-10 Richard Henderson <rth@redhat.com>
3779 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3780 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3781 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3783 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3784 Ira Rosen <irar@il.ibm.com>
3786 PR tree-optimization/50031
3787 * targhooks.c (default_builtin_vectorization_cost): Handle
3789 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3790 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3791 all types of reduction and pattern statements.
3792 (vect_estimate_min_profitable_iters): Likewise.
3793 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3794 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3795 for explicit realigns.
3796 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3797 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3799 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3800 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3801 vec_perm for VSX and handle vec_promote_demote.
3803 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3806 * builtins.c (fold_builtin_atomic_always_lock_free,
3807 expand_builtin_atomic_always_lock_free,
3808 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3809 Return and/or test boolean_true_node/boolean_false_node instead of
3810 integer_one_node/integer_zero_node.
3812 2012-02-10 Jan Hubicka <jh@suse.cz>
3815 * predict.c (predict_paths_for_bb): Prevent looping.
3816 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3818 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3820 * config/arm/arm.c (output_move_double): In one case properly
3821 count number of instructions that will be emitted.
3823 2012-02-10 Richard Guenther <rguenther@suse.de>
3825 PR translation/52193
3826 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3828 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3831 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3833 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3836 * var-tracking.c (emit_note_insn_var_location): If
3837 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3838 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3839 non-NOTE_DURING_CALL_P insn.
3841 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3844 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3846 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3849 * gcc.c (switch_matches) Support switches with separated form,
3852 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3854 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3856 (RAMPZ_ADDR): Ditto.
3857 * config/avr/avr.c (avr_addr_t): New typedef.
3858 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3859 (avr_init_expanders): Initialize it.
3860 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3862 (expand_epilogue): Ditto.
3863 (avr_print_operand): Ditto.
3864 (avr_file_start): Ditto.
3865 (avr_emit_movmemhi): Ditto.
3867 2012-02-08 Richard Guenther <rguenther@suse.de>
3869 PR tree-optimization/46886
3870 * tree-flow.h (do_while_loop_p): Declare.
3871 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3872 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3874 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3876 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3877 always succeed for integers larger than a native word.
3879 2012-02-08 Richard Guenther <rguenther@suse.de>
3881 PR rtl-optimization/52170
3882 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3883 properly handle integer vector modes.
3885 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3887 PR gcov-profile/52150
3888 * coverage.c: Include target.h.
3889 (build_var): Call targetm.strip_name_encoding on the assembler name.
3890 Change one _ into . or $ if the target allows it.
3891 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3893 PR rtl-optimization/52139
3894 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3895 is a BARRIER after emit_insn_after_noloc, move BB_END
3896 to the last non-BARRIER insn before it.
3898 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3901 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3902 (mips_gimplify_va_arg_expr): Call it instead of
3903 std_gimplify_va_arg_expr.
3905 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3907 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3908 message for -mno-pointers-to-nested-function.
3910 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3913 * expr.c (get_inner_reference): If there is an offset, add a negative
3914 bit position to it (if any).
3916 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3918 PR rtl-optimization/52060
3919 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3920 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3921 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3922 and/or i0src_copy2 when needed.
3924 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3926 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3927 or LTOPLUGINSONAME if have_c.
3929 * config/freebsd-spec.h: Add comment about what macros can be defined
3931 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3932 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3935 2012-02-07 Richard Guenther <rguenther@suse.de>
3937 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3938 newline in -alias dumps.
3940 2012-02-07 Kai Tietz <ktietz@redhat.com>
3941 Dave Korn <dave.korn.cygwin@gmail.com>
3944 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3945 Take care that typinfo gets dllexport-attribute.
3947 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3950 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3951 if modifier < EXPAND_SUM call force_operand on the result.
3953 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3955 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3956 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3958 (epiphany_function_type): Replace types for specific interrupts with
3959 EPIPHANY_FUNCTION_INTERRUPT.
3960 (EPIPHANY_INTERRUPT_P): Update.
3961 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3962 New static function.
3963 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3964 <disinterrupt>: Affects type identity.
3965 (epiphany_handle_interrupt_attribute): Handle variable number of
3967 (epiphany_compute_function_type): Update for new
3968 epiphany_function_type definition.
3969 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3970 handlers with a longcall forwarder.
3971 (epiphany_start_function): Handle multiple interrupt arguments and/or
3972 forwarder_section attribute.
3974 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3977 2012-02-07 Alan Modra <amodra@gmail.com>
3980 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3983 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3985 PR tree-optimization/50969
3986 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3987 use vec_perm rather than vector_stmt.
3988 (vect_model_load_cost): Likewise.
3989 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3990 vec_perm to be the same as other vector statements.
3991 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3992 cost of vec_perm for TARGET_VSX.
3994 2012-02-06 Richard Guenther <rguenther@suse.de>
3996 PR tree-optimization/52115
3997 * tree-sra.c (access_has_replacements_p): New function.
3998 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4000 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4003 * trans-mem.c (expand_call_tm): Add an assertion.
4004 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4007 2012-02-06 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/50955
4010 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4011 raise cost of expressions that replace an address with an
4012 expression based on a different pointer.
4014 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4017 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4018 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4020 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4023 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4024 -Weffc++ and specify guidelines come from second edition.
4026 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4028 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4029 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4030 (call_direct_split, call_value_split, call_value_internal_direct)
4031 (call_value_direct_split, call_value_multiple_split): Use jal and
4032 jal_macro attributes.
4034 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4036 * reload1.c (reload_regs_reach_end_p): Replace with...
4037 (reload_reg_rtx_reaches_end_p): ...this function.
4038 (new_spill_reg_store): Update commentary.
4039 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4040 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4041 before setting new_spill_reg_store.
4042 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4043 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4044 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4045 for non-spill reload registers.
4047 2012-02-05 Ira Rosen <irar@il.ibm.com>
4049 PR tree-optimization/52091
4050 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4051 (vect_is_simple_use_1): Likewise.
4052 * tree-vect-loop.c (vectorizable_reduction): Update calls
4053 to vect_is_simple_use_1 and vect_is_simple_use.
4054 (vectorizable_live_operation): Likewise.
4055 * tree-vect-patterns.c (widened_name_p,
4056 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4057 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4058 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4059 vectorizable_shift,vectorizable_operation, vectorizable_store,
4060 vectorizable_load): Likewise.
4061 (vect_is_simple_cond): Add an argument, pass it to
4062 vect_is_simple_use_1.
4063 (vectorizable_condition): Update calls to vect_is_simple_cond,
4065 (vect_is_simple_use): Add an argument, the statement in which
4066 OPERAND is used. Check that if OPERAND's def stmt is a double
4067 reduction phi node, the use is a phi node too.
4068 (vect_is_simple_use_1): Add an argument, pass it to
4070 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4071 to vect_is_simple_use.
4073 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4075 PR rtl-optimization/52095
4076 * modulo-sched.c (dump_insn_locator): New function.
4077 (loop_canon_p, sms_schedule): Use it.
4079 PR rtl-optimization/52113
4080 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4081 even for decomposable shift/zext insns.
4083 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4084 Zdenek Dvorak <ook@ucw.cz>
4086 PR rtl-optimization/52092
4087 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4088 on get_iv_value result.
4090 2012-02-02 Andrew Pinski <apinski@cavium.com>
4094 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4096 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4099 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4101 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4103 PR rtl-optimization/49800
4104 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4105 (sched_finish): Call regstat_free_n_sets_and_refs.
4107 2012-02-02 Jia Liu <proljc@gmail.com>
4109 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4112 2012-02-02 Jan Hubicka <jh@suse.cz>
4113 Tom de Vries <tom@codesourcery.com>
4116 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4117 * varpool.c (varpool_analyze_pending_decls): Likewise.
4119 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4120 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4122 * config.gcc: Add cr16-* support.
4124 * doc/extend.texi: Document cr16 extensions.
4125 * doc/install.texi: Document cr16 install.
4126 * doc/invoke.texi: Document cr16 options.
4127 * doc/md.texi: Document cr16 constraints.
4129 * common/config/cr16/cr16-common.c: New file.
4130 * config/cr16/cr16.c: New file.
4131 * config/cr16/cr16.h: New file.
4132 * config/cr16/cr16.md: New file.
4133 * config/cr16/cr16.opt: New file.
4134 * config/cr16/cr16-protos.h: New file.
4135 * config/cr16/predicates.md: New file.
4136 * config/cr16/constraints.md: New file.
4137 * config/cr16/t-cr16: New file.
4139 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4142 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4143 that operands[2] is either immediate, or q_regs_operand.
4145 PR tree-optimization/52073
4146 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4147 a pattern stmt for pattern uses, ignore uses outside of the loop.
4149 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4151 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4152 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4153 (OUT_AS1, OUT_AS2): Remove.
4155 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4157 PR rtl-optimization/51374
4158 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4159 to cross other volatile_refs_p insns.
4161 2012-02-01 Richard Guenther <rguenther@suse.de>
4163 * doc/invoke.texi (fno-inline): Clarify documentation.
4164 (finline-small-functions): Likewise.
4165 (finline-functions): Likewise.
4166 * common.opt (finline): Adjust comment and documentation.
4167 (finline-small-functions): Clarify documentation.
4168 (finline-functions): Likewise.
4169 (finline-functions-called-once): Likewise.
4171 2012-02-01 Tristan Gingold <gingold@adacore.com>
4173 * c-typeck.c (composite_type): Keep mode for pointers.
4175 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4177 * function.h (regno_reg_rtx): Adjust comment.
4178 * reginfo.c (init_reg_modes_target): Only use the previous mode
4179 if it fits within one register. Remove MIPS comment.
4181 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4184 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4186 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4188 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4189 to srak instruction.
4191 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4193 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4195 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4200 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4202 2012-01-31 Richard Guenther <rguenther@suse.de>
4204 PR tree-optimization/51528
4205 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4208 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4213 * ree.c (add_removable_extension): Change def_map argument
4214 to unsigned *, store in def_map 1 + offset into *insn_list vector
4215 instead of pointers into the vector.
4216 (find_removable_extensions): Adjust caller.
4218 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4220 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4221 Transform all "* quoted-c-code" to { c-code }.
4222 Remove redundant test for "optimize" in combine patterns.
4223 Move (include "avr-dimode.md") to end of file.
4225 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4228 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4229 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4231 2012-01-30 Richard Guenther <rguenther@suse.de>
4233 PR tree-optimization/52028
4234 * tree-loop-distribution.c (ldist_gen): Properly update
4237 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4240 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4241 set_cur_line_info_table if not emitting debug info.
4243 PR tree-optimization/52046
4244 * tree-vect-patterns.c (check_bool_pattern): Give up if
4245 a comparison could throw.
4248 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4250 2012-01-30 Richard Guenther <rguenther@suse.de>
4252 PR tree-optimization/52045
4253 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4254 SSA form if cfgcleanup did anything.
4256 2012-01-30 Richard Guenther <rguenther@suse.de>
4258 PR tree-optimization/52045
4259 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4260 before computing final todo.
4262 2012-01-30 Richard Guenther <rguenther@suse.de>
4264 PR tree-optimization/51528
4265 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4268 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4270 * df-problems.c (df_kill_notes): Check that the use refers
4271 to the note under examination.
4273 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4276 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4277 parameter and use short-lived pseudos.
4278 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4279 (sparc_expand_vector_init): Const-ify local variables and adjust
4280 calls to above functions.
4282 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4284 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4286 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4288 * doc/invoke.texi: Make usage of "compile time" and
4289 "run time"/"runtime" consistent throughout the file.
4291 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4293 * config/alpha/alpha.c (alpha_option_override): Default to
4294 full IEEE compliance mode for Go language.
4296 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4298 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4299 (LINK_SSP_SPEC): Define.
4301 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4304 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4307 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4309 * doc/invoke.texi: Correct hyphenation of "floating point",
4310 "double precision", and related terminology throughout the file.
4312 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4315 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4316 arm_general_register_operand predicate for operand 2 instead of
4319 2012-01-27 Ian Lance Taylor <iant@google.com>
4322 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4323 * builtins.c (expand_builtin_init_trampoline): Add onstack
4324 parameter. Change caller.
4325 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4326 * tree.c (build_common_builtin_nodes): Declare
4327 __builtin_init_heap_trampoline.
4329 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4331 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4332 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4333 * config/avr/avr.c: Ditto.
4334 (avr_regnames): Remove because unused.
4335 * config/avr/avr.md (*cpse.ne): New peephole.
4336 (*cpse.eq): New peephole from former cpse peepholes.
4338 2012-01-27 Michael Eager <eager@eagercon.com>
4340 * config/microblaze.c (microblaze_emit_compare): Correct
4341 test after pcmp instruction.
4343 2012-01-27 Richard Guenther <rguenther@suse.de>
4345 PR tree-optimization/52020
4346 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4348 2012-01-27 Richard Guenther <rguenther@suse.de>
4350 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4351 function non-const/pure.
4353 2012-01-27 Richard Guenther <rguenther@suse.de>
4355 PR tree-optimization/50444
4356 * tree-sra.c (build_ref_for_offset): Properly adjust the
4357 MEM_REF type for unaligned accesses.
4359 2012-01-27 Richard Guenther <rguenther@suse.de>
4361 PR tree-optimization/50444
4362 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4363 (expand_assignment): Use it. Properly handle misaligned
4364 bases when expanding stores to component references.
4365 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4368 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4371 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4372 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4373 * tree-data-ref.c (find_data_references_in_loop): Make static.
4374 (compute_all_dependences): Change return type to bool. Bail out
4375 for too many datarefs in a loop. Move the hunk resetting the data
4376 dependences vector from ...
4377 (compute_data_dependences_for_loop): ... here. Account for
4378 compute_all_dependences returning false.
4379 (compute_data_dependences_for_bb): Likewise.
4380 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4381 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4383 2012-01-27 Richard Guenther <rguenther@suse.de>
4386 * expr.c (store_field): Use the alias-set of the scratch memory
4389 2012-01-27 Tom de Vries <tom@codesourcery.com>
4391 PR tree-optimization/51990
4392 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4394 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4396 2012-01-27 Jakub Jelinek <jakub@redhat.com>
4399 * var-tracking.c (reverse_op): Don't add any reverse operation
4400 if V already has any constant locations.
4402 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4404 * doc/invoke.texi: Correct usage of "command line" (noun)
4405 vs "command-line" (adjective) throughout.
4407 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4409 * doc/invoke.texi (Language Independent Options): Move
4410 -Wcoverage-mismatch blurb from here....
4411 (Warning Options): ...to here.
4413 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
4415 * config/rs6000/rs6000.c (rs6000_option_override_internal):
4416 Set rs6000_always_hint to false for 476.
4418 2012-01-27 Matthias Klose <doko@ubuntu.com>
4420 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4422 * incpath.c (add_standard_paths): Likewise.
4424 2012-01-27 Richard Henderson <rth@redhat.com>
4426 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4427 * config/m68k/sync.md (atomic_test_and_set): Rename from
4428 sync_test_and_setqi and adjust the operands.
4429 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4430 and unconditionally enable.
4432 2012-01-27 Richard Henderson <rth@redhat.com>
4434 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4435 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4436 (ldstub): Rename from ldstubqi.
4437 (ldstub<I24MODE>): Remove.
4439 2012-01-27 Richard Henderson <rth@redhat.com>
4441 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4442 * c-cppbuiltin.c (cpp_atomic_builtins): Define
4443 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4444 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4445 * doc/tm.texi: Rebuild.
4447 2012-01-27 Richard Henderson <rth@redhat.com>
4449 * optabs.c (gen_atomic_test_and_set): Remove default.
4450 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4452 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4454 PR rtl-optimization/51978
4455 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4456 (combine_reaching_defs): Likewise.
4457 (struct re_info): Remove.
4458 (add_removable_extension): Remove x and data arguments,
4459 add insn, insn_list and def_map. Use the arguments directly
4460 instead of using struct re_info.
4461 (find_removable_extensions): Don't call add_removable_extension
4462 through note_stores, instead just call it with single_set
4464 (find_and_remove_re): Pass curr_cand->expr instead of
4465 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4467 2012-01-26 Michael Matz <matz@suse.de>
4469 PR tree-optimization/46590
4470 * cfgexpand.c: Revert last change (r183305).
4471 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4473 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4474 checking for emptiness.
4476 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4479 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4480 non-addressable non-BLKmode base correctly.
4482 2012-01-26 Michael Matz <matz@suse.de>
4484 PR tree-optimization/48794
4485 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4486 regions referenced from RESX/EH_DISPATCH.
4488 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4490 * config/s390/s390.h: Make BRANCH_COST an option.
4491 * config/s390/s390.opt: New option -mbranch-cost.
4493 2012-01-26 Richard Henderson <rth@redhat.com>
4495 Revert 2012-01-24 change:
4496 * trans-mem.c (requires_barrier): Do not instrument thread local
4497 variables and emit save/restore for them.
4499 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4502 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4505 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4507 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4510 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4513 Rename __pgm to __flash.
4514 Rename __pgm1 to __flash1.
4515 Rename __pgm2 to __flash2.
4516 Rename __pgm3 to __flash3.
4517 Rename __pgm4 to __flash4.
4518 Rename __pgm5 to __flash5.
4519 Rename __pgmx to __memx.
4520 * doc/extend.texi (AVR Named Address Spaces)
4521 Rename address space names as indicated above.
4522 * config/avr/avr.c (avr_addrspace): Ditto.
4524 * config/avr/avr-protos.h
4525 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4526 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4527 * config/avr/predicates.md: Ditto.
4528 * config/avr/avr.c Ditto, and
4529 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4530 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4532 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4533 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4534 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4535 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4536 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4537 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4538 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4539 * config/avr/avr.c: Ditto.
4540 * config/avr/avr.md: Ditto.
4542 2012-01-25 Jason Merrill <jason@redhat.com>
4545 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4547 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4549 PR tree-optimization/51987
4550 * tree-data-ref.c (get_references_in_stmt): Handle references in
4551 non-volatile GIMPLE_ASM.
4553 2012-01-25 Richard Guenther <rguenther@suse.de>
4555 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4556 bases are dereferenced.
4558 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4560 PR rtl-optimization/48374
4561 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4563 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4565 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4566 compute_data_dependences_for_loop returns false.
4567 * tree-parloops.c (loop_parallel_p): Likewise.
4569 2012-01-25 Richard Guenther <rguenther@suse.de>
4571 * tree.h (get_pointer_alignment_1): Declare.
4572 * builtins.c (get_pointer_alignment_1): New function.
4573 (get_pointer_alignment): Use it.
4575 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4577 PR rtl-optimization/48308
4578 * combine.c (enum undo_kind): Add UNDO_LINKS.
4579 (struct undo): Add member l to other_contents and where.
4580 (do_SUBST_LINK): New.
4582 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4583 (undo_all): Handle UNDO_LINKS.
4585 2012-01-25 Richard Henderson <rth@redhat.com>
4587 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4590 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4592 * optabs.c (gen_atomic_test_and_set): Use each argument.
4594 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4596 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4597 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4598 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4599 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4600 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4601 TARGET_PAIRED_SINGLE_FLOAT.
4603 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4605 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4606 (in_struct, return_val): Remove MEM documentation.
4607 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4608 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4609 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4611 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4612 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4613 * expr.c (store_field): Likewise.
4614 * function.c (assign_stack_temp_for_type): Likewise.
4615 * ifcvt.c (noce_try_cmove_arith): Likewise.
4616 * reload1.c (reload): Likewise.
4617 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4618 (alpha_set_memflags): Likewise.
4619 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4621 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4623 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4625 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4626 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4627 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4629 * cselib.c (cselib_rtx_varies_p): Delete.
4630 (cselib_invalidate_mem): Update call to canon_true_dependence.
4631 * dse.c (record_store, check_mem_read_rtx): Likewise.
4632 (scan_reads_nospill): Likewise.
4633 * cse.c (check_dependence): Likewise.
4634 (cse_rtx_varies_p): Delete.
4635 * expr.c (safe_from_p): Update call to true_dependence.
4636 * ira.c (validate_equiv_mem_from_store): Likewise.
4637 (memref_referenced_p): Likewise.
4638 * postreload-gcse.c (find_mem_conflicts): Likewise.
4639 * sched-deps.c (sched_analyze_2): Likewise.
4640 * store-motion.c (load_kills_store): Likewise.
4641 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4642 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4643 (compute_transp): Update call to canon_true_dependence.
4645 2012-01-25 Richard Henderson <rth@redhat.com>
4647 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4648 (maybe_emit_atomic_test_and_set): New.
4649 (expand_sync_lock_test_and_set): Use it.
4650 (expand_atomic_test_and_set): Likewise.
4651 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4652 the implementation; clarify implementation defined details.
4653 * doc/md.texi (atomic_test_and_set): Document.
4655 2012-01-25 Richard Henderson <rth@redhat.com>
4657 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4659 2012-01-25 Richard Henderson <rth@redhat.com>
4662 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4663 to effect no-op split.
4665 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4668 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4669 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4670 (BT_FN_VOID_PTR_INT_SIZE): New.
4671 (BT_FN_UINT_UINT_VAR): Remove.
4672 (BT_FN_UINT32_UINT32_VAR): New.
4673 (BT_FN_DOUBLE_VPTR): Remove.
4674 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4676 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4677 (_ITM_changeTransactionMode): Same.
4678 (_ITM_memmoveRtWt): Change return type to void.
4679 (_ITM_memcpyRtWt): Same.
4680 (_ITM_memsetW): Same.
4681 (_ITM_RaRD): Change types to double.
4686 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4688 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4689 Patrick Marlier <patrick.marlier@gmail.com>
4691 * trans-mem.c (requires_barrier): Do not instrument thread local
4692 variables and emit save/restore for them.
4694 2012-01-24 Jason Merrill <jason@redhat.com>
4697 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4698 output static aliases.
4700 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4703 * common.opt (-pie, -shared, pie, shared): Change from Common to
4705 * gcc.c (display_help): Display help for -pie and -shared.
4707 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4710 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4711 Remove note on size/offset limitation.
4712 (AVR Variable Attributes): Add example how to read data located
4713 with progmem. Refer to named address spaces.
4714 * doc/invoke.texi (AVR Options): Fix typo.
4716 2012-01-24 Richard Guenther <rguenther@suse.de>
4718 Forward-port to trunk
4719 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4722 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4723 op0 isn't sufficiently aligned and there is movmisalignM
4724 insn for mode, use it to load op0 into a temporary register.
4726 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4729 * target.def (const_not_ok_for_debug_p): New hook.
4730 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4732 * doc/tm.texi: Regenerated.
4733 * dwarf2out.c (const_ok_for_output_1): If
4734 targetm.const_not_ok_for_debug_p returns true, fail.
4735 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4737 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4739 2012-01-23 Kai Tietz <ktietz@redhat.com>
4742 * config/i386/predicates.md (symbolic_operand): Allow
4743 UNSPEC_PCREL as PIC expression for lea.
4744 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4745 * config/i386/i386.c (ix86_delegitimize_address): Handle
4746 UNSPEC_PCREL for none-MEM, too.
4748 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4750 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4751 (ipa_tm_create_version_alias): Same.
4753 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4756 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4757 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4759 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4760 Patrick Marlier <patrick.marlier@gmail.com>
4761 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4764 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4765 simple_object_start_read.
4767 2012-01-23 Richard Guenther <rguenther@suse.de>
4770 PR tree-optimization/51895
4771 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4772 parameter decomposition into BLKmode components.
4774 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4776 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4777 fake variables for restrict-qualified pointers whose pointed-to type
4778 contains a placeholder.
4780 2012-01-23 Richard Guenther <rguenther@suse.de>
4782 PR tree-optimization/51949
4783 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4785 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4787 PR rtl-optimization/51933
4788 * ree.c (transform_ifelse): Return true right away if dstreg is
4789 already wider or equal to cand->mode.
4790 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4791 (make_defs_and_copies_lists): Remove defs_list and copies_list
4792 arguments, add state argument, just truncate state->work_list
4793 instead of always allocating and freeing the vector. Assert that
4794 get_defs succeeds instead of returning 2. Changed return type to bool.
4795 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4796 have ext_src_mode, see if it has been modified already with the
4797 right kind of extension and has been extended before from the
4798 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4799 just return true. Remember the original mode in state->modified array.
4800 (combine_reaching_defs): Add state argument. Don't allocate and
4801 free here def_list, copied_list and vec vectors, instead just
4802 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4803 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4804 Add state variable, clear vectors in it, initialize state.modified
4805 if needed. Free all the vectors at the end and state.modified too.
4806 Don't skip a candidate if the extension expression has been modified.
4808 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4811 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4812 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4813 (extra_options) interix.opt -> i386/interix.opt"
4814 (extra_objs):Add winnt-stubs.o
4815 * configure.ac: Add interix to target_os .comm on PE check.
4816 * configure: Regenerate.
4817 * config/interix3.h: Delete and move bits to..
4818 * config/interix.h: Delete and move bits to..
4819 * config/i386/i386-interix3.h: Delete and move bits to..
4820 * config/i386/i386-interix.h: ..here.
4821 (TARGET_CPU_DEFAULT): Remove redefinition.
4822 (TARGET_ASM_CONSTRUCTOR): Undefine.
4823 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4824 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4825 (PTRDIFF_TYPE): Define.
4826 (LONG_DOUBLE_TYPE_SIZE): Define.
4827 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4828 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4829 (TARGET_SECTION_TYPE_FLAGS): Define.
4830 (ASM_DECLARE_FUNCTION_NAME): Define.
4831 (ASM_OUTPUT_EXTERNAL): Define.
4832 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4833 (ASM_OUTPUT_ALIGNED_BSS): Define.
4834 (PCC_BITFIELD_TYPE_MATTERS): Define.
4835 (USE_CONST_SECTION): Define.
4836 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4837 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4838 (SUPPORTS_ONE_ONLY): Remove.
4839 (I386_PE_STRIP_ENCODING): Define.
4840 * config/interix.opt: Delete and move bits to..
4841 * config/i386/interix.opt: ..here. New.
4842 (mpe-aligned-commons): Add.
4843 * config/i386/t-interix: Add copyright header.
4844 (winnt-stubs.o): Add rule.
4846 2012-01-22 Jason Merrill <jason@redhat.com>
4849 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4850 for extra name aliases.
4852 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4854 PR rtl-optimization/51924
4855 * ree.c (combine_set_extension): Improve debugging message.
4856 (combine_reaching_defs): Likewise.
4857 (get_defs): Rename confusingly named variable.
4858 (find_and_remove_re): Skip a candidate if the extension expression has
4861 2012-01-21 Robert Millan <rmh@gnu.org>
4862 Gerald Pfeifer <gerald@pfeifer.com>
4864 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4865 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4867 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4869 PR tree-optimization/51914
4870 * tree-vect-stmts.c (vectorizable_conversion): For
4871 cvt_type && modifier == WIDEN, put temporary with cvt_type
4872 at the beginning of vec_dsts and set vec_dest to temporary
4875 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4877 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4879 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4881 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4882 * config/rs6000/rs6000.c: Likewise.
4884 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4887 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4888 output_move_double on a copy of operands array.
4890 2012-01-20 Cary Coutant <ccoutant@google.com>
4891 Dodji Seketeli <dodji@redhat.com>
4894 * dwarf2out.c (copy_declaration_context): Return ref to parent
4895 of declaration DIE, if necessary.
4896 (remove_child_or_replace_with_skeleton): Add new parameter; update
4897 caller. Place skeleton DIE under parent DIE of original declaration.
4898 Move call to copy_declaration_context to here ...
4899 (break_out_comdat_types): ... from here.
4901 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4903 PR rtl-optimization/51856
4904 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4907 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4910 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4911 hints for neon loads and stores.
4913 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4917 * doc/extend.texi (Named Address Spaces): Split into subsections.
4918 (AVR Named Address Spaces): New subsection.
4919 (M32C Named Address Spaces): New subsection.
4920 (RL78 Named Address Spaces): New subsection.
4921 (SPU Named Address Spaces): New subsection.
4922 (Variable Attributes): New anchor "AVR Variable Attributes".
4923 (AVR Variable Attributes): Rewrite and avoid wording
4924 "address space" in this context.
4925 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4926 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4927 (AVR Built-in Macros): New subsubsection therein.
4928 * doc/md.texi (AVR constraints): Remove "C04", "R".
4930 2012-01-20 Richard Guenther <rguenther@suse.de>
4932 PR tree-optimization/51903
4933 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4934 when removing stmts.
4936 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4939 * config/arm/arm.c (arm_load_pic_register): Use
4940 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4941 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4942 (arm_pic_static_addr): Likewise.
4943 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4944 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4945 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4946 (pic_load_addr_unified): New.
4948 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4951 * function.c (instantiate_virtual_regs_in_insn): Use
4952 delete_insn_and_edges when removing a wrong asm insn.
4954 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4956 PR rtl-optimization/40761
4957 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4958 Add new member loop_num.
4959 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4960 (ira_build): Remove the parameter.
4962 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4963 (ira.c): Do not build CFG loops for one region allocation. Remove
4964 argument from ira_build call.
4966 * ira-build.c (init_loop_tree_node): New function.
4967 (create_loop_tree_nodes): Use it. Separate the case when CFG
4968 loops are not built.
4969 (more_one_region_p): Check current_loops.
4970 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4972 (add_loop_to_tree): Process loop equal to NULL too.
4973 (form_loop_tree): Separate the case when CFG loops are not built.
4974 Use explicitly number for the root.
4975 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4977 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4978 instead of loop->num.
4979 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4980 (mark_all_loops_for_removal): Ditto.
4981 (remove_unnecessary_regions): Separate the case when CFG loops
4983 (ira_build): Remove the parameter. Use explicit number of regions
4984 when CFG loops are not built.
4986 * ira-color.c (print_loop_title): Separate the case for the root node.
4987 Use loop_num instead of loop->num.
4988 (move_spill_restore): Use loop_num instead of loop->num.
4990 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4991 (change_loop): Ditto.
4992 (change_loop): Use loop_num instead of loop->num.
4994 * ira-lives.c (process_bb_node_lives): Ditto.
4996 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4998 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5000 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5003 * tree-mudflap.c (mf_artificial): New function.
5004 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5005 mx_register_decls, mudflap_enqueue_decl): Use it.
5008 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5009 numbers in the insn pattern.
5011 2012-01-19 Michael Matz <matz@suse.de>
5013 PR tree-optimization/46590
5014 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5015 use it in remembering which conflicts we already created.
5016 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5019 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5022 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5023 (merge_and_complain): Same.
5025 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5028 * config/initfini-array.h: Guard content of the header
5029 with #ifdef HAVE_INITFINI_ARRAY.
5030 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5031 Add initfini-array.h to tm_file here.
5032 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5033 * config.gcc: Don't add initfini-array.h to tm_file here.
5034 * configure: Regenerated.
5036 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5038 PR rtl-optimization/51505
5039 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5040 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5041 (df_note_bb_compute): Update the call to df_kill_notes.
5043 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5045 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5047 2012-01-18 Richard Guenther <rguenther@suse.de>
5049 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5050 of conversions to void *.
5052 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5053 Richard Sandiford <rdsandiford@googlemail.com>
5057 * optabs.h (simplify_expand_binop): Declare.
5058 * optabs.c (simplify_expand_binop): Make global.
5059 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5060 endian targets if the source cannot be exactly covered by word
5063 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5066 * hard-reg-set.h (struct hard_reg_set_container): New type.
5067 * target.h (struct hard_reg_set_container): Forward declare.
5068 * target.def (set_up_by_prologue): New target hook.
5069 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5070 * doc/tm.texi: Regenerated.
5071 * function.c (thread_prologue_and_epilogue_insns): Change
5072 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5073 Call targetm.set_up_by_prologue on it.
5074 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5075 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5077 2012-01-17 Nick Clifton <nickc@redhat.com>
5079 * config/rx/rx.c (rx_can_use_simple_return): New function.
5080 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5081 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5083 2012-01-17 Richard Guenther <rguenther@suse.de>
5086 * expr.c (expand_assignment): Take address-space information
5087 from the address operand of MEM_REF and TARGET_MEM_REF.
5088 (expand_expr_real_1): Likewise.
5090 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5092 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5093 reload dump is requested.
5095 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5098 * trans-mem.c (requires_barrier): Call may_be_aliased.
5100 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5102 PR tree-optimization/51877
5103 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5104 call arguments and fndecls compare equal, instead return false if they
5105 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5106 both SSA_NAMEs that are valueized the same, or they satisfy
5109 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5111 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5113 * configure: Regenerate.
5115 2012-01-16 Jan Hubicka <jh@suse.cz>
5119 * convert.c (convert_to_integer): Use fold_convert for
5120 converting an INTEGER_CST to integer type.
5122 2012-01-16 Jason Merrill <jason@redhat.com>
5125 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5127 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5130 * config/s390/s390.c (s390_chunkify_start): Don't skip
5131 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5132 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5133 If insn is followed by NOTE_INSN_VAR_LOCATION or
5134 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5135 Don't use location of note insns.
5137 PR tree-optimization/51865
5138 * tree-inline.c (tree_function_versioning): Call remap_decl
5139 on DECL_RESULT whenever it has VOID_TYPE_P type.
5141 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5143 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5144 for calls to locally-binding MIPS16 functions if only the return
5145 type uses float regs.
5147 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5148 Richard Sandiford <rdsandiford@googlemail.com>
5150 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5151 (SYMBOL_32_HIGH): Likewise.
5152 (mips_output_tls_reloc_directive): Declare.
5153 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5154 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5155 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5156 (mips_lo_relocs, mips_hi_relocs): Make extern.
5157 (mips16_stub_function): Move up file.
5158 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5159 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5160 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5161 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5162 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5163 (mips_get_tp): Add MIPS16 support.
5164 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5165 Generalize DTPREL and TPREL handling.
5166 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5167 Add MIPS16 TLS support.
5168 (mips_output_tls_reloc_directive): New function.
5169 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5170 * config/mips/predicates.md (symbolic_operand_with_high)
5171 (tls_reloc_operand): New predicates.
5172 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5173 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5174 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5175 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5176 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5177 (*tls_get_tp_mips16_call_<mode>): Likewise.
5179 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5181 PR rtl-optimization/51821
5182 * recog.c (peep2_find_free_register): Determine clobbered registers
5185 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5188 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5189 * config/avr/avr.c: Likewise.
5190 * config/avr/avr.h: Likewise.
5192 2012-01-13 Ian Lance Taylor <iant@google.com>
5195 * tree.h (TYPE_QUALS): Add cast to int.
5196 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5198 2012-01-13 Ian Lance Taylor <iant@google.com>
5200 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5201 comparing param_index to VEC_length result.
5203 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5205 * c-decl.c: Do not include tree-mudflap.h
5206 * tree-optimize.c: Likewise.
5207 * Makefile.in: Update dependencies.
5209 2012-01-13 Richard Guenther <rguenther@suse.de>
5212 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5213 variable-sized result always use RSO.
5215 2012-01-12 DJ Delorie <dj@redhat.com>
5217 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5218 pointer type, not just the default pointer type.
5220 2012-01-09 Richard Henderson <rth@redhat.com>
5221 Denis Chertykov <chertykov@gmail.com>
5224 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5225 * config/avr/avr.c (avr_can_eliminate): Simplify.
5226 (avr_initial_elimination_offset): Likewise.
5227 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5228 (expand_epilogue): Likewise.
5229 (avr_legitimize_address): Gut.
5230 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5231 (avr_hard_regno_nregs): New.
5232 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5233 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5234 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5235 add soft frame pointer.
5236 (CALL_USED_REGISTERS): Likewise.
5237 (REG_CLASS_CONTENTS): Likewise.
5238 (REGISTER_NAMES): Likewise.
5239 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5240 (HARD_FRAME_POINTER_REGNUM): New.
5241 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5242 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5243 remove the HARD_FRAME_POINTER self-elimination.
5245 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5248 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5249 DECL_EXTERNAL when checking for initializers of progmem variables.
5251 2012-01-12 Ira Rosen <irar@il.ibm.com>
5253 PR tree-optimization/51799
5254 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5255 that the last operation is a type demotion.
5257 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5259 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5260 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5262 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5265 * combine.c (distribute_notes): If i3 is a noreturn call,
5266 allow old_size to be equal to args_size and make sure the
5267 noreturn call gets REG_ARGS_SIZE note.
5268 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5269 on noreturn calls even when the delta is 0.
5271 2012-01-11 Nathan Sidwell <nathan@acm.org>
5273 * gcov.c (STRING_SIZE): Remove.
5274 (generate_results): Erase annotations for source files with no
5275 coverage information.
5277 (output_lines): Use it.
5279 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5281 * gimple.h (gimplify_body): Remove first argument.
5282 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5283 pointer set here, instead just pass DATA to walk_tree.
5284 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5285 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5286 (unvisit_body): Likewise, but with unmark_visited.
5287 (gimplify_body): Remove BODY_P argument and adjust.
5288 (gimplify_function_tree): Adjust call to gimplify_body.
5289 * omp-low.c (finalize_task_copyfn): Likewise.
5291 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5293 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5294 (build_function_type_skip_args): Delete.
5295 * tree.c (build_function_type_skip_args): Make static and add
5296 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5297 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5298 pass it to build_function_type_skip_args.
5299 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5300 (tree_function_versioning): Likewise.
5301 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5302 build_function_decl_skip_args.
5303 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5304 and pass it to build_function_decl_skip_args/tree_function_versioning.
5305 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5306 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5307 * trans-mem.c (ipa_tm_create_version): Likewise.
5308 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5309 * tree-inline.c (declare_return_variable): Remove always-true test.
5310 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5311 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5312 * ipa-split.c (split_function): Skip the return value for the split
5313 part if it doesn't return.
5315 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5317 PR tree-optimization/49642
5318 * ipa-split.c (forbidden_dominators): New variable.
5319 (check_forbidden_calls): New function.
5320 (dominated_by_forbidden): Likewise.
5321 (consider_split): Check for forbidden dominators.
5322 (execute_split_functions): Initialize and free forbidden
5323 dominators info; call check_forbidden_calls.
5325 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5327 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5329 2012-01-11 Nick Clifton <nickc@redhat.com>
5331 * config/rx/rx.md (return): Define pattern.
5333 2012-01-11 Richard Guenther <rguenther@suse.de>
5335 * doc/extend.texi (malloc attribute): Adjust according to
5338 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5339 Patrick Marlier <patrick.marlier@gmail.com>
5342 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5343 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5344 (ipa_tm_note_irrevocable): Same.
5345 (ipa_tm_scan_irr_block): Same.
5346 (ipa_tm_decrement_clone_counts): Same.
5347 (ipa_tm_scan_irr_function): Same.
5348 (ipa_tm_create_version_alias): Same.
5349 (ipa_tm_create_version): Same.
5350 (ipa_tm_transform_calls_redirect): Same.
5351 (ipa_tm_transform_calls): Same.
5352 (ipa_tm_transform_transaction): Same.
5353 (ipa_tm_execute): Same.
5355 2012-01-10 Richard Guenther <rguenther@suse.de>
5358 * opts.c (common_handle_option): Handle -Werror.
5360 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5362 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5365 2012-01-10 Jason Merrill <jason@redhat.com>
5367 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5370 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5372 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5373 supports R_386_TLS_GD_PLT reloc.
5374 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5375 supports R_386_TLS_LDM_PLT reloc.
5376 * configure: Regenerate.
5377 * config.in: Regenerate.
5379 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5382 Extend __pgmx semantics to linearize memory.
5383 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5384 determine if code comes inline or from libgcc.
5385 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5386 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5387 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5388 (movmemx_qi, movmemx_hi): New insns.
5389 (xload_<mode>_libgcc): Rewrite to new insn condition.
5390 (xload_<mode>): Remove insns.
5391 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5392 cases that don't satisfy avr_xload_libgcc_p().
5393 (avr_addr_space_convert): Allow converting in any direction.
5394 (avr_addr_space_subset_p): Return always true.
5395 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5396 (avr_emit_movmemhi): Ditto.
5397 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5398 (avr_out_movmem): Ditto.
5399 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5400 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5401 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5402 (avr_encode_section_info): Encode 'progmem' in symbol flags.
5403 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5405 2012-01-10 Richard Guenther <rguenther@suse.de>
5407 PR tree-optimization/50913
5408 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5409 Require data-refs to be representable by Graphite with respect
5412 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
5414 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5415 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5417 2012-01-10 Tom de Vries <tom@codesourcery.com>
5419 PR rtl-optimization/51271
5420 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5421 handling annulled branch.
5423 2012-01-10 Richard Henderson <rth@redhat.com>
5425 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5426 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5427 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5428 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5429 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5430 arm_expand_vec_perm_const): New.
5431 * config/arm/arm-protos.h: Update.
5432 * config/arm/neon.md (UNSPEC_VCONCAT): New.
5433 (*neon_vswp<VDQX>): New.
5434 (neon_vcombine<VDX>): Use neon_split_vcombine.
5435 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5436 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5437 (vec_perm<VE>): New.
5439 2012-01-10 Richard Henderson <rth@redhat.com>
5441 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5442 use it if reload_completed.
5443 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5444 arm_output_asm_insn, arm_process_output_memory_barrier,
5445 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5446 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5447 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5448 arm_process_output_sync_insn, arm_output_sync_insn,
5449 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5450 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5451 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5452 (emit_unlikely_jump): New.
5453 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5454 (arm_split_atomic_op): New.
5455 * config/arm/arm-protos.h: Update.
5456 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5457 (struct arm_sync_generator): Remove.
5458 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5459 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5460 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5461 (VUNSPEC_LL, VUNSPEC_SC): New.
5462 (sync_result, sync_memory, sync_required_value, sync_new_value,
5463 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5464 (attr length): Don't use arm_sync_loop_insns.
5465 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5466 (movsfcc, movdfcc): Likewise.
5467 * config/arm/constraints.md (Ua): New.
5468 * config/arm/prediates.md (mem_noofs_operand): New.
5469 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5470 (sync_clobber, sync_t2_reqd): Remove.
5471 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5472 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5473 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5474 (arm_sync_compare_and_swap<SIDI>): Remove.
5475 (arm_sync_compare_and_swap<NARROW>): Remove.
5476 (arm_sync_lock_test_and_set<SIDI>): Remove.
5477 (arm_sync_lock_test_and_set<NARROW>): Remove.
5478 (arm_sync_new_<syncop><SIDI>): Remove.
5479 (arm_sync_new_<syncop><NARROW>): Remove.
5480 (arm_sync_new_nand<SIDI>): Remove.
5481 (arm_sync_new_nand<NARROW>): Remove.
5482 (arm_sync_old_<syncop><SIDI>): Remove.
5483 (arm_sync_old_<syncop><NARROW>): Remove.
5484 (arm_sync_old_nand<SIDI>): Remove.
5485 (arm_sync_old_nand<NARROW>): Remove.
5486 (*memory_barrier): Merge arm_output_memory_barrier.
5487 (atomic_compare_and_swap<QHSD>): New.
5488 (atomic_compare_and_swap<NARROW>_1): New.
5489 (atomic_compare_and_swap<SIDI>_1): New.
5490 (atomic_exchange<QHSD>): New.
5491 (cas_cmp_operand, cas_cmp_str): New.
5492 (atomic_op_operand, atomic_op_str): New.
5493 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5494 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5495 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5496 (arm_load_exclusive<NARROW>): New.
5497 (arm_load_exclusivesi, arm_load_exclusivedi): New.
5498 (arm_store_exclusive<QHSD>): New.
5500 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5502 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5503 reload patterns if -mvsx-scalar-memory.
5505 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5506 generated, even -mno-vsx-scalar-double was used.
5507 (vsx_xscvdpsp_scalar): Likewise.
5508 (vsx_xscvspdp_scalar2): Likewise.
5510 2012-01-09 Tom de Vries <tom@codesourcery.com>
5511 Andrew Pinski <apinski@cavium.com>
5514 * reorg.c (fill_slots_from_thread): Don't speculate
5515 frame-related insns.
5517 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5519 * sched-int.h (bb_note): Move to...
5520 * basic-block.h: ...here.
5521 * haifa-sched.c (bb_note): Move to...
5522 * cfgrtl.c: ...here.
5523 * function.c (next_block_for_reg): New function.
5524 (move_insn_for_shrink_wrap): Likewise.
5525 (prepare_shrink_wrap): Rewrite to use the above.
5527 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5529 * gimple.c (is_gimple_non_addressable): Remove.
5530 * gimple.h: Remove is_gimple_non_addressable.
5531 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5532 is_gimple_non_addressable.
5533 * trans-mem.c (expand_assign_tm): Same.
5535 2012-01-09 Richard Guenther <rguenther@suse.de>
5537 PR tree-optimization/51775
5538 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5539 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5541 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5543 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5545 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5547 2012-01-09 Richard Guenther <rguenther@suse.de>
5549 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5551 2012-01-08 Jan Hubicka <jh@suse.cz>
5553 PR tree-optimize/51680
5554 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5555 on when known_vals needs to be computed; cleanup.
5557 2012-01-08 Jan Hubicka <jh@suse.cz>
5559 PR tree-optimize/51694
5560 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5562 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5564 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5565 for -std=c++98 and -std=c++11 too.
5567 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5569 * cfgloop.c (cancel_loop): Add free() of bbs array.
5571 2012-01-07 Jan Hubicka <jh@suse.cz>
5573 PR tree-optimization/51600
5574 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5575 that benefits small functions.
5577 2012-01-07 Jan Hubicka <jh@suse.cz>
5579 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5581 2012-01-07 Jan Hubicka <jh@suse.cz>
5583 PR tree-optimization/51680
5584 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5585 whose inlining reduce unit size.
5587 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5590 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5591 Add canonical node to containing_mem chain after the non-canonical
5592 one, even if there weren't any locs to propagate.
5593 (remove_useless_values): Keep only canonical values.
5594 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5595 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5596 canonicalize mem_chain elements that are not discarded.
5598 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5601 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5602 before emitting functions.
5604 PR gcov-profile/50127
5605 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5606 clear_aux_for_blocks.
5608 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5611 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5613 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5615 * c-decl.c (ext_block): Moved up.
5616 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5618 2012-01-06 Han Shen <shenhan@google.com>
5620 Translate built-in include paths for sysroot.
5621 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5622 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5624 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5625 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5627 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5628 control whether sysroot should be prepended to gxx include dir.
5630 * configure: Regenerate.
5632 2012-01-06 Torvald Riegel <triegel@redhat.com>
5634 PR rtl-optimization/51771
5635 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5636 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5638 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5640 PR tree-optimization/51315
5641 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5642 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5644 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5647 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5648 for shrp pattern. Correctly handle and fixup shift variable.
5649 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5651 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5654 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5655 note when !ACCUMULATE_OUTGOING_ARGS.
5657 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5659 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5661 (extract_range_from_unary_expr_1): Avoid useless computations.
5663 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5665 PR rtl-optimization/51767
5666 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5667 of jump_block and add an extra edge for degenerated asm gotos.
5670 * stmt.c (check_unique_operand_names): Don't ICE during error
5671 reporting if i is from labels chain.
5674 * profile.c (branch_prob): Split bbs that have exit edge
5675 and need a fake entry edge too.
5677 2012-01-05 Jan Hubicka <jh@suse.cz>
5680 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5683 2012-01-05 Richard Guenther <rguenther@suse.de>
5686 * tree-streamer-out.c (write_ts_optimization): New function.
5687 (streamer_write_tree_body): Call it.
5688 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5689 (streamer_read_tree_body): Call it.
5690 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5692 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5695 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5696 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5697 in_cleanup_point_expr before gimplify_stmt call and restore it
5699 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5700 in_cleanup_point_expr is false.
5702 2012-01-05 Richard Guenther <rguenther@suse.de>
5705 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5707 * toplev.c (process_options): Reject combining mudflap and LTO.
5708 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5710 2012-01-05 Richard Guenther <rguenther@suse.de>
5712 PR tree-optimization/51760
5713 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5715 (bit_value_unop): Handle UNDEFINED operands.
5716 (bit_value_binop): Likewise.
5718 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5720 * config/avr/avr.c (avr_replace_prefix): Remove.
5721 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5722 (avr_asm_function_rodata_section): Ditto.
5723 (avr_asm_select_section): Ditto.
5725 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5727 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5730 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5733 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5734 calls that have any non-fake successor edges.
5737 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5739 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5741 PR tree-optimization/51624
5742 * tree-sra.c (build_ref_for_model): When replicating a chain of
5743 COMPONENT_REFs, stop as soon as the offset would become negative.
5745 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5748 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5749 in .debug_loc on the floor.
5751 2012-01-04 Andrew Pinski <apinski@cavium.com>
5753 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5755 2012-01-04 Andrew Pinski <apinski@cavium.com>
5756 Adam Nemet <anemet@caviumnetworks.com>
5758 * config/mips/mips.md (size): Add SI and DI.
5759 (SIZE): New mode attribute.
5760 (U): New code attribute.
5761 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5762 (mips_lbux_<mode>): Delete.
5763 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5764 (mips_lhx): Use gen_mips_lhx_extsi.
5765 (mips_lhx_<mode>): Delete.
5767 (mips_l<size>x): New expand.
5768 (mips_lwx_<mode>): Delete.
5769 (mips_l<GPR:size>x_<P:mode>): New pattern.
5770 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5771 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5772 * config/mips/mips.c (mips_lx_address_p): New function.
5773 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5774 (dsp64): New availability predicate.
5775 (mips_builtins): Add an entry for __builtin_mips_ldx.
5776 * config/mips/mips.h (ISA_HAS_LBX): New define.
5777 (ISA_HAS_LBUX): Likewise.
5778 (ISA_HAS_LHX): Likewise.
5779 (ISA_HAS_LHUX): Likewise.
5780 (ISA_HAS_LWX): Likewise.
5781 (ISA_HAS_LWUX): Likewise.
5782 (ISA_HAS_LDX): Likewise.
5783 * doc/extend.texi (__builtin_mips_ldx): Document.
5785 2012-01-04 Tristan Gingold <gingold@adacore.com>
5787 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5788 when long pointers are used.
5789 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5790 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5791 (ia64-hp-*vms*): Remove.
5792 * config/vms/xm-vms64.h: Delete.
5794 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5797 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5799 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5801 * opts.c (finish_options): Remove duplicate sorry.
5803 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5806 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5809 2012-01-04 Richard Guenther <rguenther@suse.de>
5812 * tree.c (size_low_cst): New function.
5813 * tree.h (size_low_cst): Declare.
5814 * fold-const.c (fold_comparison): Use it to extract the low
5815 part of the POINTER_PLUS_EXPR offset.
5817 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5819 Fix clearing ZERO_REG
5820 * config/avr/avr.md (cc): Add alternative "ldi".
5821 (movqi_insn): Use it in cc attribute.
5822 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5823 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5824 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5826 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5828 * configure: Regenerate.
5830 2012-01-04 Richard Guenther <rguenther@suse.de>
5832 PR tree-optimization/49651
5833 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5834 (var_can_have_subvars): Use it.
5835 (get_constraint_for_1): Only consider subfields if there can be any.
5837 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5840 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5841 to its new canonical_cselib_val and the cselib_val was in
5842 first_containing_mem chain, but the canonical_cselib_val was not,
5843 add the latter into the chain.
5844 (cselib_invalidate_mem): Compare canonical_cselib_val of
5845 addr_list chain elt with v.
5848 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5849 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5851 (output_macinfo_op): Don't ggc_strdup fd->filename.
5852 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5853 then ggc_strdup it. Don't free inc->info or cur->info.
5854 (output_macinfo): Don't free ref->info or file->info.
5856 2012-01-03 Ira Rosen <irar@il.ibm.com>
5858 PR tree-optimization/51269
5859 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5860 first_niters a pointer.
5861 (slpeel_tree_peel_loop_to_edge): Likewise.
5862 (vect_do_peeling_for_loop_bound): Update call to
5863 slpeel_tree_peel_loop_to_edge.
5864 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5865 here. Remove it from the parameters list.
5866 (vect_do_peeling_for_alignment): Update calls and compute
5869 2012-01-03 Richard Guenther <rguenther@suse.de>
5871 PR tree-optimization/51070
5872 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5873 Properly handle calls.
5875 2012-01-03 Richard Guenther <rguenther@suse.de>
5877 PR tree-optimization/51692
5878 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5879 the LHS of allocation stmts.
5881 2012-01-03 Olivier Hainque <hainque@adacore.com>
5883 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5885 2012-01-03 Olivier Hainque <hainque@adacore.com>
5887 * collect2.c (main): In AIX specific computations for vector
5888 insertions, use CONST_CAST2 to cast from char ** to const char **.
5890 2012-01-03 Richard Guenther <rguenther@suse.de>
5893 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5894 the context of a limbo DIE when it does not already exist.
5896 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5898 PR tree-optimization/51719
5899 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5900 but direct call is, clear direct call's lhs and don't add fallthrough
5901 edge from dcall_bb to join_bb and PHIs.
5903 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5905 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5906 the instructions emitted by the pattern.
5907 ("*TDC_insn_<mode>"): Add comment.
5909 2012-01-03 Richard Guenther <rguenther@suse.de>
5912 * fold-const.c (fold_comparison): Properly canonicalize
5913 tree offset and HOST_WIDE_INT bit position.
5915 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5917 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5918 operands for extzv pattern.
5920 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5923 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5926 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5928 * doc/invoke.texi (-flto and related options): Copy-edit.
5930 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5932 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5934 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5936 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5939 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5941 * expr.h (move_by_pieces_ninsns): Declare.
5942 * expr.c (move_by_pieces_ninsns): Make external.
5943 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5944 (mips_store_by_pieces_p): Likewise.
5945 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5946 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5947 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5948 (mips_store_by_pieces_p): Likewise.
5950 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5952 * passes.c (register_one_dump_file): Free full_name.
5954 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5955 (calculate_elim_costs_all_insns): Free offsets_at and
5956 offsets_known_at at the end and clear the pointers.
5958 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5960 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5961 this option introduced in r180739.
5963 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5966 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5967 (tmake_file target=avr): Add avr/t-multilib.
5969 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5970 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5971 * config/avr/genmultilib.awk: New file.
5972 * config/avr/t-multilib: New auto-generated file.
5973 * config/avr/multilib.h: New auto-generated file.
5974 * config/avr/t-avr (AVR_MCUS): New variable.
5975 (genopt.sh): Use it.
5976 (s-mlib): Depend on t-multilib.
5977 (t-multilib, multilib.h): New dependencies.
5978 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5979 (MULTILIB_OPTIONS): Remove.
5980 (MULTILIB_MATCHES): Remove.
5981 (MULTILIB_DIRNAMES): Remove.
5982 (MULTILIB_EXCEPTIONS): Remove:
5983 * config/avr/genopt.sh: Don't use hard coded file name;
5984 pass AVR_MCUS from t-avr instead.
5986 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5988 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5990 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5992 Implement light-weight DImode support.
5993 * config/avr/avr-dimode.md: New file.
5994 * config/avr/avr.md: Include it.
5995 (adjust_len): Add plus64, compare64.
5996 (HIDI): Remove code iterator.
5997 (code_stdname): New code attribute.
5998 (rotx, rotsmode): Remove DI.
5999 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6001 * config/avr/avr-protos.h (avr_have_dimode): New.
6002 (avr_out_plus64, avr_out_compare64): New.
6003 * config/avr/avr.c (avr_out_compare): Handle DImode.
6004 (avr_have_dimode): New variable definition and initialization.
6005 (avr_out_compare64, avr_out_plus64): New functions.
6006 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6007 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6008 (avr_compare_pattern): Skip DImode comparisons.
6010 2012-01-02 Revital Eres <revital.eres@linaro.org>
6012 * ddg.c (def_has_ccmode_p): New function.
6013 (add_cross_iteration_register_deps,
6014 create_ddg_dep_from_intra_loop_link): Call it.
6016 2012-01-02 Richard Guenther <rguenther@suse.de>
6019 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6021 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6023 * gcc.c (process_command): Update copyright notice dates.
6024 * gcov.c (print_version): Likewise.
6025 * gcov-dump.c (print_version): Likewise.
6026 * mips-tfile.c (main): Likewise.
6027 * mips-tdump.c (main): Likewise.
6029 2012-01-01 Ira Rosen <irar@il.ibm.com>
6031 PR tree-optimization/51704
6032 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6033 a use is inside the basic block or loop before accessing its vect info.
6035 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6037 PR rtl-optimization/51069
6038 * cfgloopmanip.c (remove_path): Removing path making irreducible
6039 region unconditional makes BB part of the region.
6041 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6043 PR tree-optimization/51683
6044 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6045 calls with side-effects.
6046 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6048 Copyright (C) 2012 Free Software Foundation, Inc.
6050 Copying and distribution of this file, with or without modification,
6051 are permitted in any medium without royalty provided the copyright
6052 notice and this notice are preserved.