1 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
4 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
7 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
9 Backported from mainline
10 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
13 * doc/invoke.texi: Document -mprefer-avx128.
15 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
17 Backported from mainline
18 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
21 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
22 (XSTATE_FP): Likewise.
23 (XSTATE_SSE): Likewise.
24 (XSTATE_YMM): Likewise.
25 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
26 SSE and YMM states aren't supported.
28 2012-10-01 Tom de Vries <tom@codesourcery.com>
30 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
33 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
36 * config/s390/s390.c (s390_option_override): Add missing break.
38 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
40 Backport from mainline
41 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
43 * config.gcc: Replace 'host' with 'target' when configuring for
46 2012-09-28 Meador Inge <meadori@codesourcery.com>
48 Backport from mainline
49 2012-09-27 Meador Inge <meadori@codesourcery.com>
51 * gcc-ar.c (main): Handle the returning of the sub-process error
54 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
56 Backport from 2012-09-28 trunk r191821.
57 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
59 2012-09-27 Jakub Jelinek <jakub@redhat.com>
62 * simplify-rtx.c (simplify_binary_operation_1): Perform
63 (x - (x & y)) -> (x & ~y) optimization only for integral
66 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
68 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
69 TYPE_NONALIASED_COMPONENT flag.
70 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
71 TYPE_NONALIASED_COMPONENT flag.
73 2012-09-21 Richard Guenther <rguenther@suse.de>
76 Backport from mainline
77 2012-04-19 Richard Guenther <rguenther@suse.de>
79 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
82 2012-09-20 Joseph Myers <joseph@codesourcery.com>
85 * c-typeck.c (c_cast_expr): When casting to a type requiring
86 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
89 2012-09-20 Joseph Myers <joseph@codesourcery.com>
92 * c-typeck.c (build_unary_op): Pass original argument of
93 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
94 any C_MAYBE_CONST_EXPR, if it has integer operands.
95 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
96 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
97 to c_objc_common_truthvalue_conversion, then remove any
98 C_MAYBE_CONST_EXPR, if they have integer operands. Use
99 c_objc_common_truthvalue_conversion not
100 c_common_truthvalue_conversion.
101 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
102 call note_integer_operands for arguments with integer operands
103 that are not integer constants.
105 2012-09-20 Jakub Jelinek <jakub@redhat.com>
107 Backported from mainline
108 2012-09-17 Jakub Jelinek <jakub@redhat.com>
110 PR tree-optimization/54563
111 * tree-ssa-math-opts.c (execute_cse_sincos): Call
112 gimple_purge_dead_eh_edges if last call has been changed.
114 2012-09-14 Jakub Jelinek <jakub@redhat.com>
117 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
118 instead of (match_dup 0) as second argument to vec_merge.
119 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
120 Remove third alternative.
121 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
122 operand 2 instead of operand 1, but put it as first argument
124 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
125 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
128 2012-09-20 Jakub Jelinek <jakub@redhat.com>
130 * BASE-VER: Set to 4.7.3.
131 * DEV-PHASE: Set to prerelease.
133 2012-09-20 Release Manager
135 * GCC 4.7.2 released.
137 2012-09-15 Andi Kleen <ak@linux.intel.com>
139 Backport from mainline
140 2012-09-07 Andi Kleen <ak@linux.intel.com>
142 * gcc/lto-streamer.h (res_pair): Add.
143 (lto_file_decl_data): Replace resolutions with respairs.
145 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
147 (lto_file_finalize): Set up resolutions vector lazily from respairs.
149 2012-09-14 Walter Lee <walt@tilera.com>
151 Backport from mainline.
152 2012-09-14 Walter Lee <walt@tilera.com>
154 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
155 option for TILEPro and TILE-Gx.
157 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
159 * config/i386/i386.h (x86_prefetchw): New global variable.
160 (TARGET_PREFETCHW): New macro.
161 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
162 (processor_alias_table): Add PTA_PREFETCHW to
163 bdver1, bdver2 and btver1.
164 (ix86_option_override_internal): Set x86_prefetchw for
165 PTA_PREFETCHW targets.
166 * config/i386/i386.md (prefetch): Expand to prefetchw
167 for TARGET_PREFETCHW.
168 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
170 Backport from mainline
171 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
173 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
174 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
176 (*prefetch_sse): ... this.
177 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
179 (*prefetch_3dnow): ... this.
181 2012-09-13 Jakub Jelinek <jakub@redhat.com>
184 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
185 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
187 2012-09-12 Teresa Johnson <tejohnson@google.com>
189 Backport from mainline.
190 2012-09-12 Teresa Johnson <tejohnson@google.com>
192 PR gcov-profile/54487
193 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
194 test using F_SETLKW with fcntl.
195 * configure, config.in: Regenerate.
197 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
199 Backport from mainline
200 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
202 * config/i386/i386.md : Comments on fma4 instruction selection
203 reflect requirement on register pressure based cost model.
205 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
206 flag is set-reset as informed by the cpuid flag.
208 * config/i386/i386.c (processor_alias_table): fma4
209 flag is enabled for bdver2.
211 2012-09-12 Christian Bruel <christian.bruel@st.com>
213 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
215 2012-09-12 Jakub Jelinek <jakub@redhat.com>
217 * config.gcc: Obsolete picochip-*.
219 2012-09-11 Richard Guenther <rguenther@suse.de>
222 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
223 on flag_toplevel_reorder.
225 2012-09-10 Richard Henderson <rth@redhat.com>
227 * config/alpha/predicates.md (small_symbolic_operand): Disallow
230 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
232 Backport from 2012-09-10 mainline r191132.
235 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
237 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
240 * tree-sra.c (disqualify_base_of_expr): Check for possible
241 NULL_TREE returned by get_base_address()
243 2012-09-07 Richard Guenther <rguenther@suse.de>
245 Backport from mainline
246 2012-06-26 Jan Hubicka <jh@suse.cz>
249 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
252 2012-09-07 Richard Guenther <rguenther@suse.de>
254 Backport from mainline
255 2012-07-13 Richard Guenther <rguenther@suse.de>
257 PR tree-optimization/53922
258 * tree-vrp.c (value_inside_range): Change prototype to take
259 min/max instead of value-range.
260 (range_includes_zero_p): Likewise. Return the result from
262 (extract_range_from_binary_expr_1): Adjust to handle dont-know
263 return value from range_includes_zero_p.
264 (extract_range_from_unary_expr_1): Likewise.
265 (compare_range_with_value): Likewise.
266 (vrp_meet_1): Likewise.
268 2012-09-07 Richard Guenther <rguenther@suse.de>
271 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
272 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
273 arguments separately.
275 2012-09-07 Jakub Jelinek <jakub@redhat.com>
277 Backported from mainline
278 2012-09-06 Jakub Jelinek <jakub@redhat.com>
280 PR rtl-optimization/54455
281 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
282 bb ends up with asm goto referencing bb's label.
284 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
286 Backport from mainline.
287 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
288 Richard Earnshaw <richard.earnshaw@arm.com>
291 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
292 element size. Use elem_type from the formal parameter. New parameter
294 (neon_expand_args): Adjust call to neon_dereference_pointer.
296 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
298 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
299 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
301 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
303 Backport from mainline
304 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
306 * config/i386/i386.md (isa): Add fma and fma4.
307 (enabled): Handle fma and fma4.
308 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
309 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
310 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
311 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
312 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
313 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
315 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
317 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
318 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
319 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
321 2012-09-06 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/54498
324 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
325 abort when reaching an already visited region.
326 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
327 (get_continuation_for_phi_1): Likewise.
328 (walk_non_aliased_vuses): When we translated the reference,
329 abort when we re-visit a region.
330 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
332 2012-09-06 Andrew Pinski <apinski@cavium.com>
335 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
337 2012-09-05 Jakub Jelinek <jakub@redhat.com>
340 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
341 build_int_cst with size_type_node instead of size_int.
343 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
345 Backport from 2012-09-05 mainline r190697.
348 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
349 configured --with-avrlibc.
350 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
352 * config/avr/avrlibc.h: New file.
353 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
354 configured --with-avrlibc.
355 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
357 2012-09-05 Bin Cheng <bin.cheng@arm.com>
359 Backport from 2012-09-04 mainline r190919
362 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
363 of size less than 4 bytes by using macro ARM_NUM_INTS.
364 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
366 2012-09-04 Richard Henderson <rth@redhat.com>
368 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
370 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
372 Backport from 2012-09-04 mainline r190920
375 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
377 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
379 Backport from 2012-09-04 mainline r190914
382 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
384 (avr_allocate_stack_slots_for_args): ...this new static function.
386 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
388 Backported from mainline
389 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
392 * doc/invoke.texi: Add -da and remove -dm.
394 2012-09-03 Jakub Jelinek <jakub@redhat.com>
396 Backported from mainline
397 2012-09-01 Jakub Jelinek <jakub@redhat.com>
400 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
401 operands[1] is CONST_INT_P, convert it to QImode before printing.
403 2012-08-31 Jakub Jelinek <jakub@redhat.com>
406 * c-convert.c (convert): Don't call fold_convert_loc if
407 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
408 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
409 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
411 2012-08-24 Jakub Jelinek <jakub@redhat.com>
414 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
415 if init is a CONSTRUCTOR.
417 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
419 PR rtl-optimization/54369
420 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
421 calling dbr_schedule.
422 * config/sparc/sparc.c (sparc_reorg): Likewise.
424 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
426 Backport from mainline
427 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
429 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
430 case for Atom processor.
432 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
434 Backport from mainline
435 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
438 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
439 true for TARGET_64BIT or !flag_pic.
440 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
441 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
442 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
443 Add insn constraint. Conditionally emit xchg asm insns.
444 (atomic_compare_and_swap<mode>): Update calls. Check only
445 cmpxchg8b_pic_memory_operand in memory address fixup.
447 (CASHMODE): Rename from DCASHMODE.
448 (doublemodesuffix): Update modes.
449 (regprefix): New mode attribute.
451 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
452 <UNSPECV_CMPXCHG>: New constant.
453 (atomic_compare_and_swap<mode>_1): Rename from
454 atomic_compare_and_swap_single<mode>. Update calls and
455 unspec_volatile constants.
456 (atomic_compare_and_swap<mode>_doubleword): Rename from
457 atomic_compare_and_swap_double<mode>. Update calls and
458 unspec_volatile constants.
460 2012-08-28 Walter Lee <walt@tilera.com>
462 Backport from mainline
463 2012-08-28 Walter Lee <walt@tilera.com>
465 * confg/tilegx/tilegx.md: Fix code style.
466 (*zero_extendsidi_truncdisi): Fix typo.
467 * config/tilegx/tilegx.c: Fix code style.
468 (tilegx_function_profiler): Fix typo.
470 2012-08-27 Walter Lee <walt@tilera.com>
472 Backport from mainline
473 2012-08-27 Walter Lee <walt@tilera.com>
475 * doc/md.texi (TILE-Gx): Fix typo.
477 2012-08-27 Walter Lee <walt@tilera.com>
479 Backport from mainline
480 2012-08-27 Walter Lee <walt@tilera.com>
482 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
483 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
485 2012-08-27 Walter Lee <walt@tilera.com>
487 Backport from mainline
488 2012-08-27 Walter Lee <walt@tilera.com>
490 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
491 (insn_bfins): Delete.
493 2012-08-27 Walter Lee <walt@tilera.com>
495 Backport from mainline
496 2012-08-27 Walter Lee <walt@tilera.com>
498 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
499 atomic_exchange_bare<mode>,
500 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
501 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
502 * config/tilegx/tilegx.md (type): Add X1_remove.
503 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
504 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
505 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
508 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
510 PR rtl-optimization/54088
511 * jump.c (delete_related_insns): Robustify latest change.
513 2012-08-21 Richard Guenther <rguenther@suse.de>
515 Backport from mainline
516 2012-08-16 Richard Guenther <rguenther@suse.de>
519 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
521 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
522 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
523 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
524 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
525 (tree_ssa_lim_finalize): Free all mem_refs.
526 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
527 scc when bailing out.
528 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
529 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
530 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
533 2012-08-17 Richard Guenther <rguenther@suse.de>
535 * tree-sra.c (modify_function): Free redirect_callers vector.
536 * ipa-split.c (split_function): Free args_to_pass vector.
537 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
539 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
540 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
541 (vect_analyze_slp_instance): Free everything.
542 (destroy_bb_vec_info): Free the SLP instances.
544 2012-08-17 Richard Guenther <rguenther@suse.de>
546 * params.def (integer-share-limit): Decrease from 256 to 251,
549 2012-08-21 Richard Guenther <rguenther@suse.de>
551 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
552 the affine expansion cache.
554 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
556 Backported from trunk
557 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
560 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
562 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
564 Backport from mainline.
565 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
568 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
569 mark as predicable. Adjust asm template.
570 (vec_setv2di_internal): Likewise.
571 (vec_extract<mode> VD, VQ): Likewise.
572 (vec_extractv2di): Likewise.
573 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
574 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
575 (neon_vdup_n<mode> VX, V32): Likewise.
576 (neon_vdup_nv2di): Likewise.
578 2012-08-17 Walter Lee <walt@tilera.com>
580 Backport from mainline
581 2012-08-17 Walter Lee <walt@tilera.com>
583 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
584 (FEEDBACK_ENTER): Define.
585 (FEEDBACK_REENTER): Define.
586 (FEEDBACK_ENTRY): Define.
587 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
588 (FEEDBACK_ENTER): Define.
589 (FEEDBACK_REENTER): Define.
590 (FEEDBACK_ENTRY): Define.
592 2012-08-16 Walter Lee <walt@tilera.com>
594 Backport from mainline
595 2012-08-16 Walter Lee <walt@tilera.com>
597 * config.gcc (tilegx-*-linux*): Add feedback.h.
598 (tilepro-*-linux*): Likewise.
599 * config/tilegx/feedback.h: New file.
600 * config/tilepro/feedback.h: New file.
602 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
604 Backport from mainline r189840 and r187586:
605 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
607 * config/i386/i386.md (stack_protect_set): Disable the pattern
608 for Android since Android libc (bionic) does not provide random
609 value for stack protection guard at gs:0x14. Guard value
610 will be provided from external symbol (default implementation).
611 (stack_protect_set_<mode>): Likewise.
612 (stack_protect_test): Likewise.
613 (stack_protect_test_<mode>): Likewise.
614 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
615 not have Bionic by default
616 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
617 Macro OPTION_BIONIC is defined in this file and provides Bionic
620 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
622 * configure.ac: Stack protector enabling for Android targets.
623 * configure: Regenerate.
625 2012-08-13 Jakub Jelinek <jakub@redhat.com>
627 Backported from trunk
628 2012-07-19 Jakub Jelinek <jakub@redhat.com>
630 PR rtl-optimization/53942
631 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
632 directly from likely spilled non-fixed hard registers, move them
635 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
637 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
638 (xop_phaddubq): Ditto.
640 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
642 Backport from mainline
643 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
644 Richard Earnshaw <rearnsha@arm.com>
646 * target.def (vector_alignment): New target hook.
647 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
648 * doc/tm.texi: Regenerate.
649 * targhooks.c (default_vector_alignment): New function.
650 * targhooks.h (default_vector_alignment): Add prototype.
651 * stor-layout.c (layout_type): Use targetm.vector_alignment.
652 * config/arm/arm.c (arm_vector_alignment): New function.
653 (TARGET_VECTOR_ALIGNMENT): Define.
655 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
656 vector type alignment instead of size.
657 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
658 element type size directly instead of computing it from alignment.
659 Fix variable naming and comment.
661 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
663 Backport from mainline
664 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
666 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
667 (alpha_pad_function_end): ... this. Also insert NOP between
668 sibling call and GP load.
669 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
671 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
673 Backport from mainline
674 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
675 H.J. Lu <hongjiu.lu@intel.com>
677 PR rtl-optimization/54157
678 * combine.c (gen_lowpart_for_combine): Don't return identity
679 for CONST or symbolic reference.
681 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
683 Backport from mainline
684 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
686 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
687 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
688 split_cost argument signed.
689 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
690 (ix86_avoid_lea_for_addr): Ditto.
692 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
694 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
695 the address has less than two components.
697 2012-08-02 Steve Ellcey <sellcey@mips.com>
699 Backport from mainline
700 2012-07-19 Steve Ellcey <sellcey@mips.com>
702 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
705 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
707 Backport from mainline
708 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
711 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
712 negative constant address for TARGET_X32 ...
713 (ix86_decompose_address): ... here. Reject constant addresses
714 that don't satisfy x86_64_immediate_operand predicate.
716 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
719 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
720 * config/i386/i386.c (ix86_print_operand_address): Ditto.
721 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
722 addresses. Prevent zero extensions of CONST_INT operands.
724 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
727 * config/i386/i386.md (*lea): New insn pattern.
729 (*lea<mode>_2): Ditto.
730 (*lea_{3,4,5,6}_zext): Ditto.
731 * config/i386/predicates.md (lea_address_operand): Do not reject
732 zero-extended address operands.
733 * config/i386/constraints.md (j): Remove address constraint.
734 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
736 (ix86_print_operand_address): Handle SImode subreg of an address.
737 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
739 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
741 Backport from mainline
742 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
745 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
746 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
748 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
749 (*movdi_internal_rex64): Use %E operand modifier for lea.
750 (*movsi_internal): Ditto.
752 (*lea<mode>_2): Ditto.
753 (*lea_{3,4,5,6}_zext): Ditto.
754 (*tls_global_dynamic_32_gnu): Ditto.
755 (*tls_global_dynamic_64): Ditto.
756 (*tls_dynamic_gnu2_lea_32): Ditto.
757 (*tls_dynamic_gnu2_lea_64): Ditto.
758 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
760 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
762 Backport from mainline
763 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
765 * config/i386/i386.c (ix86_address_subreg_operand): Reject
767 (ix86_print_operand_address): Assert that parts.base and parts.index
768 are non-NULL after call to simplify_subreg.
770 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
773 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
775 * config/sh/sh.c (sh_option_override): Do not change
776 flag_finite_math_only. Set TARGET_IEEE to complement of
777 flag_finite_math_only.
778 * doc/invoke.texi (SH options): Add mno-ieee. Correct
779 description of mieee and mno-ieee behavior.
781 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
784 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
787 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
789 Backport from mainline
790 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
792 PR rtl-optimization/52250
793 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
794 to put note list into. Unconditionally call move_bb_info.
795 (move_bb_info): Do not assert the blocks being in the same region,
796 just drop the note list if they are not.
798 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
800 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
802 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
804 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
805 defining statement is a SSA name that occurs in abnormal PHIs.
807 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
809 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
812 2012-07-19 Richard Guenther <rguenther@suse.de>
813 Eric Botcazou <ebotcazou@adacore.com>
815 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
816 about transition from invariant to known bits.
817 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
819 2012-07-19 Jakub Jelinek <jakub@redhat.com>
822 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
823 (cleanup_tree_cfg_bb): Don't call it.
824 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
827 2012-07-19 Christian Bruel <christian.bruel@st.com>
830 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
832 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
834 * config.gcc (v850-*-rtems*): New target.
835 * config/v850/rtems.h: New.
836 * config/v850/t-rtems: New.
838 2012-07-18 Nick Clifton <nickc@redhat.com>
840 * doc/invoke.texi (ARM Options): Document -munaligned-access.
842 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
846 Backport from mainline
847 2012-04-25 Jakub Jelinek <jakub@redhat.com>
850 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
851 instead expand it as zero extension.
853 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
855 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
856 QImode and HImode splitters. Use ix86_comparison_operator.
857 Explicitly match FLAGS_REG.
858 (DFmode cmove splitter): Explicitly match FLAGS_REG.
860 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
861 Steven Bosscher <steven@gcc.gnu.org>
862 Bernd Schmidt <bernds@codesourcery.com>
864 PR rtl-optimization/53908
865 * df-problems.c (can_move_insns_across): When doing
866 memory-reference book-keeping, handle call insns.
868 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
870 Backport from mainline
871 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
874 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
875 sibcall_insn_operand. Move it to a temporary register if not.
877 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
880 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
881 emit PIC sequence for fnaddr symbol reference in advance.
883 2012-07-09 Jason Merrill <jason@redhat.com>
886 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
887 (type_hash_eq): Likewise.
890 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
892 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
894 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
895 due to negative shift amount.
897 2012-07-06 Kai Tietz <ktietz@redhat.com>
899 Backport from mainline.
901 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
904 2012-07-06 Nick Clifton <nickc@redhat.com>
906 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
907 default_encode_section_info.
909 2012-07-06 Richard Guenther <rguenther@suse.de>
911 Backport from mainline
912 2012-03-30 Richard Guenther <rguenther@suse.de>
915 * double-int.c (rshift_double): Remove not needed cast.
917 2012-03-28 Richard Guenther <rguenther@suse.de>
920 * double-int.h (rshift_double): Remove.
921 * double-int.c (lshift_double): Use absu_hwi to make count
923 (rshift_double): Make static, take unsigned count argument,
924 remove handling of negative count argument.
925 (double_int_rshift): Dispatch to lshift_double.
927 2012-07-06 Richard Guenther <rguenther@suse.de>
929 Backport from mainline
930 2012-06-18 Richard Guenther <rguenther@suse.de>
932 PR tree-optimization/53693
933 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
934 Reject operands with more than one use.
936 2012-07-06 Richard Guenther <rguenther@suse.de>
938 Backport from mainline
939 2012-04-11 Richard Guenther <rguenther@suse.de>
942 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
943 consider loop nesting.
944 (evolution_function_is_univariate_p): Properly check the remainder
947 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
949 Backport from mainline
950 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
952 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
953 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
954 (adjacent_mem_locations): Move some code to and call...
955 (get_memref_parts): ...new function.
956 (mem_locations_overlap): New function.
957 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
958 (is_mem_ref): Rename to...
959 (find_mem_ref): ...this. Return MEM rtx.
960 (get_store_dest): Remove function.
961 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
962 new parameter and adjust calls.
963 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
964 mem refs overlap for true_store_to_load_dep_costly.
965 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
966 passed to adjacent_mem_locations.
967 (is_costly_group): Walk resolved dependency list.
968 (force_new_group): Emit group ending nop for Power6/Power7.
969 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
970 (group_ending_nop): New define_insn.
972 2012-07-04 Richard Guenther <rguenther@suse.de>
975 * gimple-fold.c (get_base_constructor): Do not return an
976 error_mark_node DECL_INITIAL.
978 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
980 Backport from mainline
981 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
983 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
984 code model string in the error message.
986 2012-07-04 Tristan Gingold <gingold@adacore.com>
988 Backport from mainline.
989 2012-06-25 Tristan Gingold <gingold@adacore.com>
991 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
992 (seh_cfa_adjust_cfa): ... that function.
993 (seh_emit_stackalloc): Do not emit out of range values.
994 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
995 UNSPEC_DEF_CFA constants.
996 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
997 * config/i386/i386.c (ix86_frame_pointer_required): Required
998 for very large frames on SEH target.
999 (ix86_compute_frame_layout): Save area is before frame pointer
1000 on SEH target. Handle very large frames.
1001 (ix86_expand_prologue): Likewise.
1003 2012-07-04 Richard Guenther <rguenther@suse.de>
1005 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1006 as in free_lang_data_in_type.
1008 2012-07-02 Martin Jambor <mjambor@suse.cz>
1010 Backport from mainline.
1011 2012-07-02 Martin Jambor <mjambor@suse.cz>
1014 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1015 dynamic type change check.
1017 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
1019 * tree-eh.c (lower_try_finally_switch): Really put the location of the
1020 last statement of the finally block onto the switch.
1022 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1024 * configure: Regenerate.
1026 Backport from mainline.
1027 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1029 * config.gcc (target_type_format_char): New. Document it. Set it for
1031 * configure.ac (gnu_unique_option): Use target_type_format_char
1032 in test. Comment rationale.
1034 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1036 Backport from mainline.
1037 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1039 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1041 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
1043 Backport from 2012-06-28 mainline r189049
1046 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1047 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1048 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1049 avr_hard_regno_call_part_clobbered.
1051 2012-06-28 Richard Guenther <rguenther@suse.de>
1054 * expr.c (expand_expr_real_1): Verify if the type is complete
1055 before inspecting its size.
1057 2012-06-27 Nick Clifton <nickc@redhat.com>
1059 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1062 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
1065 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1067 2012-06-26 Nick Clifton <nickc@redhat.com>
1069 * config/rx/rx.md (simple_return): Use the simple_return rtx.
1071 2012-06-25 Jakub Jelinek <jakub@redhat.com>
1074 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1075 of x x x in the vmovlps load alternative.
1077 2012-06-22 Richard Guenther <rguenther@suse.de>
1079 * gcov-iov.c: Include bconfig.h and system.h.
1081 2012-06-22 Richard Guenther <rguenther@suse.de>
1083 PR gcov-profile/53744
1084 * gcov-iov.c (main): Treat "" and "prerelease" the same.
1086 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
1088 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1089 DECL_IGNORED_P non-reg vars even if they are used.
1091 2012-06-19 Jason Merrill <jason@redhat.com>
1094 * dwarf2out.c (modified_type_die): Use scope_die_for.
1095 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1096 (uses_local_type_r, uses_local_type): New.
1097 (scope_die_for): Keep a type that uses a local type in local scope.
1098 Use get_context_die for namespace and type scope.
1100 2012-06-19 Richard Guenther <rguenther@suse.de>
1103 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1104 replace it with the first non-BLOCK context.
1106 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
1108 PR rtl-optimization/53700
1110 Backport from mainline
1111 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
1113 * ira-color.c (setup_left_conflict_sizes_p): Process all
1114 conflicting objects.
1116 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1118 Backport from mainline
1119 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1122 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1123 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1124 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1125 instead of xop_mulv2div2di3_low.
1126 (xop_p<macs>dql): Fix vec_select selector.
1127 (xop_p<macs>dqh): Ditto.
1128 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1129 (xop_mulv2div2di3_high): Ditto.
1131 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1133 Backport from mainline:
1134 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1136 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1138 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1140 Backport from mainline:
1141 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1143 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1144 * config/pa/pa.c (pa_attr_length_millicode_call): Use
1145 MAX_PCREL17F_OFFSET instead of fixed offset.
1146 (pa_attr_length_call): Likewise.
1147 (pa_attr_length_indirect_call): Likewise.
1149 2012-06-15 Walter Lee <walt@tilera.com>
1151 Backport from mainline:
1152 2012-06-15 Walter Lee <walt@tilera.com>
1154 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1156 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
1158 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1160 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
1162 Backport from mainline:
1164 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1165 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1166 * gimple.h (block_in_transaction): Check for flag_tm.
1168 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
1170 PR tree-optimization/52558
1172 Backport from mainline:
1173 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
1174 * gimple.h (gimple_set_in_transaction): Remove.
1175 (gimple_in_transaction): Look in BB instead.
1176 (gimple_statement_base): Remove in_transaction field.
1177 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1178 * trans-mem.c (compute_transaction_bits): Place transaction bit
1179 information into basic blocks.
1181 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1183 PR tree-optimization/52558
1184 * cfg.c (alloc_aux_for_edge): Fix comment.
1185 (alloc_aux_for_edge): Remove static.
1186 * basic-block.h (alloc_aux_for_edge): Protoize.
1187 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1188 (execute_sm_if_changed_flag): New.
1189 (execute_sm_if_changed_flag_set): New.
1190 (execute_sm): Do not generate data races unless requested.
1191 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1192 (tree_ssa_lim_finalize): Call free_aux_for_edges.
1193 * gimple.h (block_in_transaction): New.
1194 (gimple_in_transaction): Use block_in_transaction.
1196 2012-06-14 Jakub Jelinek <jakub@redhat.com>
1198 Backported from mainline
1199 2012-06-12 Jakub Jelinek <jakub@redhat.com>
1201 PR rtl-optimization/53589
1202 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1203 discovery even when e->dest != target. If any LABEL_REF points
1204 to e->dest label, redirect it to target's label.
1206 2012-06-07 Jakub Jelinek <jakub@redhat.com>
1209 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1210 returns false, replace stmt with GIMPLE_NOP.
1211 (check_omp_nesting_restrictions): Instead of issuing warnings,
1212 issue errors and return false if any errors were reported.
1214 2012-06-14 Richard Guenther <rguenther@suse.de>
1216 * BASE-VER: Set to 4.7.2.
1217 * DEV-PHASE: Set to prerelease.
1219 2012-06-12 Christian Bruel <christian.bruel@st.com>
1222 * config/sh/sh.c (sh_option_override): Don't force
1223 flag_omit_frame_pointer and maccumulate_outgoing_args.
1224 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1226 2012-06-14 Release Manager
1228 * GCC 4.7.1 released.
1230 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
1232 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1234 2012-06-13 Richard Henderson <rth@redhat.com>
1236 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1237 iterator instead of INT.
1239 2012-06-08 Richard Henderson <rth@redhat.com>
1242 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1243 note to a clobber insn when no other insn is available.
1245 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1248 * doc/invoke.texi (Wenum-compare): Update documentation.
1250 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1253 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1255 (altivec_stvlxl): Ditto.
1256 (altivec_stvrx): Ditto.
1257 (altivec_stvrxl): Ditto.
1259 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1262 * trans-mem.c (expand_block_edges): Do not skip the first
1263 statement when resetting the BB.
1265 2012-06-04 Richard Guenther <rguenther@suse.de>
1268 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1269 create new assembler names.
1271 2012-06-04 Richard Guenther <rguenther@suse.de>
1273 Backport from mainline
1274 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1277 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1278 larger than maxbits. Don't compute maxbits modulo align.
1279 Also check that unit bytes long store at bitpos / unit * unit
1280 doesn't affect bits beyond bitregion_end.
1281 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1282 would not fit into bitregion_start ... bitregion_end + 1 bit
1284 (store_split_bit_field): Decrease unit close to end of bitregion_end
1285 if access is restricted in order to avoid mutual recursion.
1287 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1289 Backport from 2012-06-04 mainline r188172
1292 * config/avr/avr-stdint.h: New file.
1293 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1296 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1298 PR tree-optimization/53550
1299 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1300 is POINTER_TYPE_P, use sizetype as step type instead of type.
1302 2012-06-04 Richard Guenther <rguenther@suse.de>
1303 Eric Botcazou <ebotcazou@adacore.com>
1305 Backport from mainline
1306 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1308 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1309 Change type of BITOFFSET to signed. Make sure the lower bound of
1310 the computed range is non-negative by adjusting OFFSET and BITPOS.
1311 (expand_assignment): Adjust call to get_bit_range.
1313 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1315 * expr.c (get_bit_range): Return the null range if the enclosing record
1316 is part of a larger bit field.
1318 2012-03-20 Richard Guenther <rguenther@suse.de>
1320 * stor-layout.c (finish_bitfield_representative): Fallback
1321 to conservative maximum size if the padding up to the next
1322 field cannot be computed as a constant.
1323 (finish_bitfield_layout): If we cannot compute the distance
1324 between the start of the bitfield representative and the
1325 bitfield member start a new representative.
1326 * expr.c (get_bit_range): The distance between the start of
1327 the bitfield representative and the bitfield member is zero
1328 if the field offsets are not constants.
1330 2012-03-16 Richard Guenther <rguenther@suse.de>
1332 * stor-layout.c (finish_bitfield_representative): Fall back
1333 to the conservative maximum size if we cannot compute the
1334 size of the tail padding.
1336 2012-03-14 Richard Guenther <rguenther@suse.de>
1338 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1339 * stor-layout.c (start_bitfield_representative): New function.
1340 (finish_bitfield_representative): Likewise.
1341 (finish_bitfield_layout): Likewise.
1342 (finish_record_layout): Call finish_bitfield_layout.
1343 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1344 for QUAL_UNION_TYPE fields.
1345 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1346 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1347 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1352 * expr.c (get_bit_range): Unconditionally extract bitrange
1353 from DECL_BIT_FIELD_REPRESENTATIVE.
1354 (expand_assignment): Adjust call to get_bit_range.
1356 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1359 * fold-const.c (fold_binary_loc): Refine previous change.
1361 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1363 Backport from mainline
1364 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1367 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1368 avoid going above orig insn. Update comments.
1370 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1372 Backport from mainline
1373 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1376 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1377 prologue for unwinder and profiler.
1379 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1381 Backport from mainline
1382 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1384 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1386 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1388 Backport from mainline
1389 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1391 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1392 DBX_REGISTER_NUMBER.
1394 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1396 Backport from mainline
1397 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1399 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1400 operand is CONST_INT. Take COSTS_N_INSNS into account.
1401 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1404 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1406 * config/avr/avr.opt (-msp8): Document it.
1407 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1409 2012-05-31 Richard Guenther <rguenther@suse.de>
1412 * expr.c (expand_assignment): Do not use movmisalign on
1415 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1418 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1419 (pa_section_type_flags): New.
1420 (pa_legitimate_constant_p): Revert previous change.
1422 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1424 Backport from mainline
1425 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1428 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1429 accessed indirectly.
1430 (ipa_tm_create_version): Same.
1432 2012-05-30 Jason Merrill <jason@redhat.com>
1435 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1436 about array compound literals.
1438 2012-05-30 Richard Guenther <rguenther@suse.de>
1441 * fold-const.c (fold_binary_loc): Make sure to call
1442 fold_plusminus_mult_expr with the original sign of operands.
1444 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1446 * explow.c (probe_stack_range): Restore simple control flow and stop
1447 again when the probe cannot be generated if HAVE_check_stack.
1449 2012-05-30 Jakub Jelinek <jakub@redhat.com>
1451 PR rtl-optimization/53519
1452 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1453 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1455 2012-05-29 Richard Guenther <rguenther@suse.de>
1457 PR tree-optimization/53516
1458 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1460 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1462 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
1464 Backport from mainline
1465 2012-05-28 Richard Guenther <rguenther@suse.de>
1467 PR tree-optimization/53438
1468 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1470 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
1472 Backport from mainline
1473 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
1475 PR rtl-optimization/52528
1476 * combine.c (can_combine_p): Add setting of subst_low_luid
1477 before call to expand_field_assignment().
1479 2012-05-26 Martin Jambor <mjambor@suse.cz>
1481 Backport from mainline
1482 2012-05-23 Martin Jambor <mjambor@suse.cz>
1484 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1486 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1489 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1490 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1492 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
1495 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1496 (ix86_expand_vec_perm): Use int mode instead of float.
1498 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1501 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1502 gnu_ld variables to yes.
1503 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1504 (HAVE_GNU_AS): Likewise.
1505 * config.in: Regenerate.
1506 * configure: Likewise.
1508 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1510 Backport from mainline
1511 2012-03-12 Richard Guenther <rguenther@suse.de>
1512 * config/arm/arm.c (neon_dereference_pointer): Do not call
1513 covert during RTL expansion.
1515 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1517 Backport from mainline
1518 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1521 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1522 relied on signed overflow behavior.
1524 2012-05-24 Richard Guenther <rguenther@suse.de>
1527 * tree-profile.c (tree_profiling): Cleanup the CFG if
1528 execute_fixup_cfg requests it.
1530 2012-05-24 Jakub Jelinek <jakub@redhat.com>
1532 PR tree-optimization/53465
1533 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1534 vr0 into *vr, then vrp_meet that.
1535 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1536 have any equivalences.
1537 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1540 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
1542 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1544 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1545 (iterative_hash_gimple_type): Adjust comment.
1546 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
1547 domain for an array type instead of the domain type itself.
1549 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
1551 Backport from 2012-05-23 mainline r187803
1554 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1555 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1558 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1560 Backport from 2012-05-03 mainline r187075
1562 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1563 has_fma4 for AMD processors with both fma3 and fma4 support.
1565 2012-05-22 Richard Guenther <rguenther@suse.de>
1567 PR tree-optimization/53408
1568 * tree-vect-loop.c (vectorizable_induction): Properly check
1569 the restriction that we cannot handle induction results from
1570 the inner loop outside of the outer loop.
1572 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1574 PR tree-optimization/53436
1575 * omp-low.c (omp_build_component_ref): New function.
1576 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1578 PR tree-optimization/53366
1579 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1580 tests if complex_numbers == 2, but there are non-complex number loads
1583 PR tree-optimization/53409
1584 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1585 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1587 PR tree-optimization/53410
1588 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1589 instead of build_int_cst (type, 0) where vector types might be
1592 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1595 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1596 from folded operands before wrapping another around the
1597 conditional expression.
1599 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1600 Patrick Marlier <patrick.marlier@gmail.com>
1602 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1605 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1607 Backport from mainline
1608 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1611 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1612 (UNSPECV_RDRAND): This.
1613 (rdrand<mode>_1): Updated.
1615 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1617 Backport from mainline
1618 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1620 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1621 RDRND, F16C and FSGSBASE.
1623 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1625 Backport from mainline
1626 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1628 * tree-ssa-pre.c (can_value_number_call): Delete.
1629 (compute_avail): Skip all statements with side effects.
1630 <GIMPLE_CALL>: Skip calls to internal functions.
1632 2012-05-18 David S. Miller <davem@davemloft.net>
1634 Backport r185385 from mainline
1635 2012-03-14 Richard Guenther <rguenther@suse.de>
1638 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1639 element type instead of mode, use build_vector_type_for_mode
1640 instead of the langhook, build a vector of proper signedness.
1641 (expand_vector_operations_1): Adjust.
1643 2012-05-18 Olivier Hainque <hainque@adacore.com>
1645 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1646 $(libsubdir) as libexecsubdir.
1648 2012-05-16 Andrew Pinski <apinski@cavium.com>
1650 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1653 2012-05-16 David S. Miller <davem@davemloft.net>
1655 * jump.c (delete_related_insns): If we remove a CALL, make sure
1656 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1658 2012-05-16 Richard Henderson <rth@redhat.com>
1661 * combine-stack-adj.c (prev_active_insn_bb): New.
1662 (next_active_insn_bb): New.
1663 (force_move_args_size_note): New.
1664 (combine_stack_adjustments_for_block): Use it.
1666 2012-05-16 Olivier Hainque <hainque@adacore.com>
1668 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1669 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1670 Add comments and improve stamp preservation across the whole sequence.
1671 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1673 2012-05-16 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/53364
1676 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1677 detect a view-conversion of the decl.
1679 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1682 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1683 that operands[2] is either immediate, or q_regs_operand.
1685 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1687 Backport r187139 from mainline.
1688 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1690 PR rtl-optimization/52804
1691 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1692 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1693 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1694 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1695 RELOAD_FOR_OUTADDR_ADDRESS.
1697 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1700 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1701 generate target register for "load" class builtins.
1704 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1707 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1708 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1709 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1710 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1711 (<sse>_movu<ssemodesuffix>): New expander.
1712 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1713 (avx_movdqu<avxmodesuffix>): New expander.
1714 (*sse2_movdqu): Rename from sse2_movdqu.
1715 (sse2_movdqu): New expander.
1717 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1719 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1720 lineno 1 the same as lineno 0 before first start file directive.
1721 (optimize_macinfo_range): Likewise.
1723 * dwarf2out.c (have_macinfo): Define.
1724 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1725 attribute, don't force empty compilation unit and don't emit any
1726 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1728 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1730 Backport from mainline
1731 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1733 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1734 ORDERED and UNORDERED conditions.
1736 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1738 * function.c (requires_stack_frame_p): If the function can throw
1739 non-call exceptions, return true if the insn can throw internally.
1741 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1743 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1744 DECL_ORIGINAL_TYPE if it is present.
1746 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1748 Backport from 2012-05-12 mainline r187342.
1751 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1752 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1753 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1754 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1755 (expand_prologue): Move initialization of cfun->machine->is_naked,
1756 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1757 (avr_set_current_function): ...this new static function.
1758 (TARGET_SET_CURRENT_FUNCTION): New define.
1759 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1760 checking attributes of current_function_decl.
1761 (avr_regs_to_save): Ditto.
1762 (signal_function_p): Rename to avr_signal_function_p.
1763 (interrupt_function_p): Rename to avr_interrupt_function_p.
1765 * doc/extend.texi (Function Attributes): Better explanation of
1766 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1769 2012-05-09 Matthias Klose <doko@ubuntu.com>
1771 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1773 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1776 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1777 when a constant source operand matches an "I" constraint, the "no
1778 CC0 change" applies to a register-destination only, not a
1779 strict_low_part-destination.
1781 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1783 Backport from mainline:
1784 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1786 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1788 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1790 PR tree-optimization/53239
1791 * tree-vrp.c (get_value_range): Set VR of
1792 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1795 2012-05-07 Richard Guenther <rguenther@suse.de>
1797 PR tree-optimization/53195
1798 * tree-inline.c (setup_one_parameter): Properly add referenced
1799 vars from the parameters new known value.
1801 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1803 Backport from mainline:
1804 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1807 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1810 2012-05-04 Ian Lance Taylor <iant@google.com>
1812 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1813 values from false to NULL.
1815 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1817 Backport from mainline
1818 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1821 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1822 (TARGET_CMOV): Rename from TARGET_CMOVE.
1823 (TARGET_CMOVE): New define.
1824 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1825 Do not set TARGET_CMOVE here.
1827 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1829 Backport from mainline:
1831 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1833 PR tree-optimization/52633
1834 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1835 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1836 (vect_recog_over_widening_pattern): Remove handling of code that was
1837 already detected as over-widening pattern. Remove special handling
1838 of "unsigned" cases. Instead, support general case of conversion
1839 of the shift result to another type.
1841 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1843 * tree-vect-patterns.c (vect_single_imm_use): New function.
1844 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1845 (vect_recog_over_widening_pattern): Likewise.
1846 (vect_recog_widen_shift_pattern): Likewise.
1848 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1850 PR tree-optimization/52870
1851 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1852 presumed pattern statement is within the same loop or basic block.
1854 2012-05-04 Richard Guenther <rguenther@suse.de>
1856 * common.opt (flto-report): Do not mark as Optimization.
1858 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1861 * recog.c (constrain_operands): If extra constraints are present, also
1862 accept pseudo-registers with equivalent memory locations during reload.
1864 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1866 Backport from the mainline
1867 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1870 * config/rs6000/rs6000.md (bswapdi splitters): If
1871 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1872 default) is used, generate an alternate sequence that does not
1873 depend on using indexed addressing.
1875 2012-05-03 David S. Miller <davem@davemloft.net>
1878 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1879 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1880 (sparc_emit_float_lib_cmp): Likewise.
1882 2012-05-04 Martin Jambor <mjambor@suse.cz>
1884 Backport from mainline
1885 2012-05-02 Martin Jambor <mjambor@suse.cz>
1888 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1889 of a variable when the contect is a function.
1891 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1894 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1895 append program name to it and pass that as first argument
1896 to make_relative_prefix. Always pass standard_libexec_prefix
1897 as last argument to make_relative_prefix. If
1898 make_relative_prefix returns NULL, fall back to
1899 standard_libexec_prefix.
1902 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1906 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1907 mode, return that mode.
1909 2012-05-03 Richard Guenther <rguenther@suse.de>
1911 PR tree-optimization/53144
1912 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1914 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1915 with SSA name values.
1916 (vn_reference_lookup_3): Adjust callers.
1918 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1920 PR tree-optimization/53163
1921 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1922 return value from compute_all_dependences.
1924 PR rtl-optimization/53160
1925 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1926 has been modified by ree pass already.
1928 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1930 Backport from mainline
1931 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1934 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1935 calls to cgraph_node_name in xstrdup.
1936 (ipa_make_edge_direct_to_target): Ditto.
1937 * tree-sra.c (convert_callers_for_node): Ditto.
1938 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1939 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1940 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1941 (cgraph_materialize_all_clones): Ditto.
1942 * ipa-inline.c (report_inline_failed_reason): Ditto.
1943 (want_early_inline_function_p): Ditto.
1944 (edge_badness): Ditto.
1945 (update_edge_key): Ditto.
1946 (flatten_function): Ditto.
1947 (ipa_inline): Ditto.
1948 (inline_always_inline_functions): Ditto.
1949 (early_inline_small_functions): Ditto.
1951 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1953 Backport from mainline
1954 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1956 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1957 Introduce emul_name to select the right linker emulation for
1958 powerpc64-*-freebsd*.
1959 * configure: Regenerate.
1960 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1961 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1962 * config/rs6000/freebsd64.h: New file.
1963 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1965 (rs6000_savres_strategy): Likewise.
1966 (rs6000_savres_routine_name): Likewise.
1967 (rs6000_elf_file_end): Likewise.
1968 * config/rs6000/t-freebsd64: New file.
1969 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1970 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1972 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1974 Backport from mainline
1975 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1978 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1980 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1982 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1983 predicate to discriminate types.
1985 2012-04-27 Richard Guenther <rguenther@suse.de>
1988 * convert.c (convert_to_integer): Avoid infinite recursion for
1989 target-defined built-in types.
1991 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1994 * config/cris/cris.md ("*andhi_lowpart_v32")
1995 ("*andqi_lowpart_v32"): Change first input-only operand from
1996 a (match_operand ...) to (match_dup 0). Drop alternatives with
1997 const_int-matching constraints for redundancy.
1998 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1999 three-operand alternative.
2001 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
2003 Backport from mainline
2004 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
2006 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2007 (*addsi_2_zext): Ditto.
2008 (*add<mode>_3): Ditto.
2009 (*addsi_3_zext): Ditto.
2010 (*add<mode>_5): Ditto.
2012 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2015 * c-typeck.c (set_nonincremental_init,
2016 set_nonincremental_init_from_string): Pass true instead of false
2017 as IMPLICIT to add_pending_init.
2019 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
2021 Backport from 2012-04-24 mainline r186768.
2024 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2026 2012-04-24 Richard Guenther <rguenther@suse.de>
2028 PR tree-optimization/53085
2029 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2032 2012-04-24 Jakub Jelinek <jakub@redhat.com>
2035 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2037 (output_addressed_constants): Likewise.
2040 * varasm.c (get_section): Don't ICE for section conflicts with
2041 built-in section kinds.
2043 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
2045 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2047 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
2049 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2051 2012-04-23 Richard Guenther <rguenther@suse.de>
2054 * c-typeck.c (build_binary_op): Fix typo.
2056 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2058 PR tree-optimizations/52891
2059 * tree-vect-patterns.c (adjust_bool_pattern): Use
2060 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2061 but with non-standard precision.
2063 2012-04-22 Ian Lance Taylor <iant@google.com>
2065 * godump.c (go_output_typedef): Dump size of structs.
2067 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2069 Backport from mainline:
2071 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2072 hints for 'A' operand types.
2074 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2076 Backport from 2012-04-19 mainline r186588.
2079 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2080 the case *(X+const).
2082 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2084 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2086 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2089 * config/i386/sync.md (atomic_<code><mode>): Rename to
2090 atomic_<logic><mode>.
2092 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2094 Backport from mainline
2095 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2098 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2099 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2100 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2101 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2102 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2103 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2104 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2105 gen_avx2_permvarv8sf.
2107 2012-04-16 Martin Jambor <mjambor@suse.cz>
2109 Backported from mainline
2111 2012-04-13 Martin Jambor <mjambor@suse.cz>
2114 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2115 fold_ctor_reference returns a zero constant.
2117 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2119 Backported from mainline
2120 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2122 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2123 and __ILP32__ for x32.
2125 2012-04-13 Tom de Vries <tom@codesourcery.com>
2127 Backport from mainline r186418.
2129 2012-04-13 Tom de Vries <tom@codesourcery.com>
2131 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2132 parameters vuse and vuse_escaped.
2133 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2134 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2137 2012-04-13 Richard Guenther <rguenther@suse.de>
2139 PR tree-optimization/52969
2140 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2141 the condition for the COND_EXPR and handle predicate negation
2142 by swapping the COND_EXPR arms.
2144 2012-04-13 Richard Guenther <rguenther@suse.de>
2147 * convert.c (convert_to_pointer): Remove special-casing of
2150 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2152 Backport from mainline
2153 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2156 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2157 the list of options to enable the FCFID instruction.
2158 (TARGET_EXTRA_BUILTINS): Adjust comment.
2160 2012-04-12 Richard Guenther <rguenther@suse.de>
2162 PR tree-optimization/52943
2163 * tree-chrec.h (chrec_is_positive): Remove.
2164 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2165 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2166 Return false for a constant zero instead of negative.
2167 (analyze_siv_subscript_cst_affine): Handle zero difference
2168 in the initial condition explicitely.
2170 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2173 * varasm.c (process_pending_assemble_externals): Set
2174 pending_assemble_externals_processed true.
2175 (assemble_external): Call assemble_external_real if the pending
2176 assemble externals have been processed.
2178 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2181 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2182 the DECL generated for the special GOT helper.
2184 2012-04-06 Walter Lee <walt@tilera.com>
2186 Backport from mainline
2187 2012-03-07 Walter Lee <walt@tilera.com>
2189 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2190 REG_CFA_* notes for the stack pointer.
2191 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2192 EH_RETURN_STACKADJ_RTX.
2193 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2194 generate REG_CFA_* notes for the stack pointer.
2195 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2196 by EH_RETURN_STACKADJ_RTX.
2198 2012-04-06 Matt Turner <mattst88@gmail.com>
2200 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2202 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2204 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2205 of the destination isn't also a FP_REGS register.
2207 2012-04-03 Richard Guenther <rguenther@suse.de>
2209 Backport from mainline
2210 2012-03-02 Richard Guenther <rguenther@suse.de>
2212 PR tree-optimization/52406
2213 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2214 (struct indices): Add unconstrained_base member.
2215 (struct dr_alias): Remove unused vops member.
2216 (DR_UNCONSTRAINED_BASE): New define.
2217 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2218 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2219 be an artificial access that covers the whole indexed object,
2220 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2221 plain decl base-objects to their MEM_REF variant.
2222 (dr_may_alias_p): When the base-object of either data reference
2223 has unknown size use only points-to information.
2224 (compute_affine_dependence): Make dumps easier to read and
2226 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2227 DR_REF when looking for packed references.
2228 (vect_supportable_dr_alignment): Likewise.
2230 2012-04-03 Richard Guenther <rguenther@suse.de>
2232 Backport from mainline
2233 2012-03-15 Richard Guenther <rguenther@suse.de>
2236 * tree-data-ref.c (subscript_dependence_tester_1): Check
2237 all dimensions for non-conflicting access functions.
2239 2012-04-03 Richard Guenther <rguenther@suse.de>
2241 Backport from mainline
2242 2012-03-06 Richard Guenther <rguenther@suse.de>
2245 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2247 2012-03-23 Richard Guenther <rguenther@suse.de>
2249 PR tree-optimization/52678
2250 * tree-vectorizer.h (struct _stmt_vec_info): Add
2251 loop_phi_evolution_part member.
2252 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2253 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2254 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2255 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2256 Use the cached evolution part and the PHI nodes value from
2257 the loop preheader edge instead of re-analyzing the evolution.
2259 2012-03-26 Richard Guenther <rguenther@suse.de>
2261 PR tree-optimization/52701
2262 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2263 compute and set the evolution part of PHI nodes.
2265 2012-03-30 Richard Guenther <rguenther@suse.de>
2267 PR tree-optimization/52754
2268 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2269 propagate arbitrary addresses into really plain dereferences.
2271 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2273 PR tree-optimization/52835
2274 * tree-data-ref.c (build_rdg): Return NULL if
2275 compute_data_dependences_for_loop failed.
2277 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2279 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2280 (stmt_can_make_abnormal_goto): Use it.
2281 (is_ctrl_altering_stmt): Likewise.
2283 2012-03-31 Martin Jambor <mjambor@suse.cz>
2285 Backported from mainline
2286 2012-03-30 Martin Jambor <mjambor@suse.cz>
2288 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2289 is a builtin_stack_save in a dominating BB.
2291 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2293 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2294 crossing 128bit lane boundary.
2296 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2298 Backported from mainline
2299 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2302 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2304 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2305 * config/i386/i386.c: Include reload.h.
2306 (ix86_legitimize_reload_address): New function.
2308 2012-03-28 Martin Jambor <mjambor@suse.cz>
2310 Backported from mainline
2311 2012-03-27 Martin Jambor <mjambor@suse.cz>
2314 * tree-sra.c (sra_modify_assign): Do not call
2315 load_assign_lhs_subreplacements when working with an unscalarizable
2318 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2321 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2322 __builtin_va_start to __builtin_next_arg if the latter is
2323 builtin_decl_explicit_p rather than when it is not.
2326 * tree-vect-generic.c (vector_element): Perform multiplication
2327 for pos in bitsizetype type instead of idx type.
2329 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2331 Backport from 2012-03-28 mainline r185910.
2334 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2335 (avr_builtin_decl): New static function.
2336 (struct avr_builtin_description, avr_bdesc): Move up.
2337 Add GTY marker. Add field fndecl. Remove redundant field id.
2338 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2339 (avr_expand_builtin): Code cleanup because .id is removed.
2341 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2344 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2347 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2349 Backport from 2012-03-28 mainline r185907.
2352 * config.gcc (tm_file): Remove avr/multilib.h.
2354 * doc/invoke.texi (AVR Options): Adjust
2355 documentation of -mtiny-stack.
2357 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2358 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2359 * config/avr/t-avr: Remove generation of multilib.h.
2360 * config/avr/t-multilib: Regenerate.
2361 * config/avr/multilib.h: Remove.
2362 * config/avr/avr.opt (-msp8): New option.
2363 (avr_sp8): New variable.
2364 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2365 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2366 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2367 (avr_device_to_sp8): New prototype.
2368 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2369 (DRIVER_SELF_SPECS): New define.
2370 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2371 __AVR_SP8__, __AVR_HAVE_SPH__.
2372 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2373 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2374 (avr_file_start): Ditto.
2376 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2379 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2380 instead of 8 in adjust_address.
2382 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2384 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2385 of a unit before computing the offset in units.
2387 2012-03-27 Richard Guenther <rguenther@suse.de>
2390 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2393 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2396 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2398 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2401 * varasm.c: Include pointer-set.h.
2402 (pending_assemble_externals_set): New pointer set.
2403 (process_pending_assemble_externals): Destroy the pointer set.
2404 (assemble_external): See if decl is in pending_assemble_externals_set,
2405 and add it to pending_assemble_externals if necessary.
2406 (init_varasm_once): Allocate pending_assemble_externals_set.
2408 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2410 Backported from mainline
2411 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2414 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2415 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2416 (vector_ltgt<mode>): Likewise.
2417 (vector_ordered<mode>): Likewise.
2418 (vector_unordered<mode>): Likewise.
2419 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2421 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2423 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2426 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2428 Backported from mainline
2429 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2433 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2434 GENERAL_REGS and FP_REGS for SImode.
2436 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2439 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2440 on any new_local_var_chain vars declared during recursing on
2441 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2443 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2445 Backport from 2012-03-22 mainline r185692.
2448 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2449 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2450 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2451 (delay_cycles_1, delay_cycles_2): Ditto.
2452 (delay_cycles_3, delay_cycles_4): Ditto.
2453 (nopv, *nopv): Ditto.
2454 (sleep, *sleep): Ditto.
2457 Backport from 2012-03-21 mainline r185605.
2459 PR rtl-optimization/52543
2461 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2462 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2463 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2464 (avr_load_libgcc_p): Restrict to __flash loads.
2465 (avr_out_lpm): Only handle 1-byte loads from __flash.
2466 (avr_load_lpm): New function.
2467 (avr_find_unused_d_reg): Remove.
2468 (avr_out_lpm_no_lpmx): Remove.
2469 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2470 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2471 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2472 (load_<mode>, load_<mode>_clobber): New insns.
2473 (mov<mode>): For multi-byte move from non-generic
2474 16-bit address spaces: Expand to load_<mode> resp.
2475 load_<mode>_clobber.
2476 (load<mode>_libgcc): Remove expander.
2477 (split-lpmx): Remove split.
2479 Backport from 2012-03-13 mainline r185329.
2482 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2483 offset (size) to a value the insns can deal with.
2484 (expand_epilogue): Ditto.
2486 Backport from 2012-03-12 mainline r185256.
2489 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2490 type from reg_class_t to enum reg_class.
2491 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2493 Backport from 2012-03-12 mainline r185253.
2496 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2497 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2498 r184615 from 2012-02-28.
2500 Backport from 2012-03-08 mainline r185105.
2502 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2503 for constants in [-63,63].
2505 Backport from 2012-03-08 mainline r185100.
2508 * config/avr/avr.c (avr_mem_clobber): New static function.
2509 (avr_expand_delay_cycles): Add memory clobber operand to
2510 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2511 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2512 (enable_interrupt, disable_interrupt): New expander.
2513 (nopv, sleep, wdr): New expanders.
2514 (delay_cycles_1): Add memory clobber.
2515 (delay_cycles_2): Add memory clobber.
2516 (delay_cycles_3): Add memory clobber.
2517 (delay_cycles_4): Add memory clobber.
2518 (cli_sei): New insn from former "enable_interrupt",
2519 "disable_interrupt" with memory clobber.
2520 (*wdt): New insn from former "wdt" with memory clobber.
2521 (*nopv): Similar, but for "nopv".
2522 (*sleep): Similar, but for "sleep".
2524 Backport from 2012-03-07 mainline r185043.
2527 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2529 Backport from 2012-03-07 mainline r185032.
2532 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2533 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2534 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2536 Backport from 2012-03-07 mainline r185031.
2539 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2541 * config/avr/avr.md (xload_8): Adjust insn length.
2543 Backport from 2012-03-07 mainline r185030.
2546 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2547 if RAMPZ affects reading from RAM.
2549 Backport from 2012-03-05 mainline r184919.
2551 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2553 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2555 Backport from mainline r185259.
2558 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2559 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2561 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2563 Backported from mainline
2564 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2567 * c-parser.c (c_parser_postfix_expression)
2568 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2570 * config/i386/smmintrin.h: Avoid /* within a comment.
2571 * config/i386/nmmintrin.h: Likewise.
2573 2012-03-22 Richard Guenther <rguenther@suse.de>
2575 * BASE-VER: Set to 4.7.1.
2576 * DEV-PHASE: Set to prerelease.
2578 2012-03-22 Release Manager
2580 * GCC 4.7.0 released.
2582 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2584 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2586 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2587 Andrew Pinski <apinski@cavium.com>
2590 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2591 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2592 calls instead of __builtin_ir{int,ound}*.
2594 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2597 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2600 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2602 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2603 Refer to GCC 4.7 version of c99status.html.
2605 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2607 Backport from mainline
2608 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2610 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2611 redefine to be NULL if the current bit-size is different from the
2612 configured bit-size.
2614 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2615 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2616 set the default tuning. Add asserts to make sure the cpu and tune
2617 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2618 test whether the index is set, instead of > 0.
2619 (rs6000_file_start): Do not reset the default cpu if the current
2620 bit-size is different from the configured bit-size.
2622 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2624 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2626 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2627 Update binutils references.
2628 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2629 Update binutils reference.
2630 Update Sun as/GNU ld caveat.
2631 Document binutils largefile requirement for LTO plugin.
2632 Remove reference to alternate libpthread.
2634 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2636 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2638 (Specific, mips-sgi-irix6): Likewise.
2640 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2642 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2643 * configure: Regenerate.
2645 2012-03-07 Richard Henderson <rth@redhat.com>
2647 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2648 * config/m68k/sync.md (atomic_test_and_set): Use it.
2649 (atomic_test_and_set_1): Likewise.
2651 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2654 * Makefile.in: Let install-gcc-ar depend on installdirs,
2655 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2656 Don't double canonicalize if cross-compiling.
2658 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2660 * trans-mem.c: New typedef for tm_region_p.
2661 Define vector types for tm_region_p.
2662 (tm_region_init): Replace region_worklist to a vector called
2665 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2668 * trans-mem.c (tm_region_init): Use last_basic_block.
2670 2012-03-05 Richard Henderson <rth@redhat.com>
2673 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2674 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2675 BIGGEST_ALIGNMENT is aligned.
2677 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2679 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2681 2012-03-05 Richard Henderson <rth@redhat.com>
2684 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2685 instead of calling negqi2 directly.
2687 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2689 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2690 (INTMAX_TYPE): Use it.
2691 (UINTMAX_TYPE): Likewise.
2692 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2693 (irix6_c_common_override_options): Declare.
2694 (C_COMMON_OVERRIDE_OPTIONS): Define.
2695 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2696 * config/mips/irix6-c.c: New file.
2697 * config/mips/t-irix6 (irix6-c.o): New target.
2698 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2701 2012-03-02 Richard Henderson <rth@redhat.com>
2703 * optabs.c (expand_atomic_test_and_set): Honor
2704 atomic_test_and_set_trueval even when atomic_test_and_set
2705 optab is not in use.
2707 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2709 Backport from mainline
2710 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2712 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2714 2012-03-02 Richard Guenther <rguenther@suse.de>
2716 * DEV-PHASE: Set to prerelease.
2718 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2720 * config.gcc (obsolete): Add all ARM targets using the FPA.
2721 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2722 * doc/install.texi: Avoid references to obsolete ARM ports.
2724 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2726 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2728 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2729 Joern Rennecke <joern.rennecke@embecosm.com>
2731 * doc/extend.texi: Expand and update information on interrupt
2732 attribute for Epiphany.
2734 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2736 * config/sh/sh-protos.h: Update copyright notice dates.
2737 * config/sh/sh.h: Likewise.
2738 * config/sh/sh.md: Likewise.
2739 * config/sh/constraints.md: Likewise.
2740 * config/sh/predicates.md: Likewise.
2742 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2744 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2745 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2747 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2749 * config/sh/constraints.md: Fix comment typo.
2751 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2754 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2755 unsigned HOST_WIDE_INT.
2756 (zvdep_imm64): Likewise.
2757 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2758 (vdepi_and): Likewise.
2759 Likewise for unamed 64-bit patterns.
2760 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2762 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2765 PR rtl-optimization/52417
2766 * cselib.c (cselib_any_perm_equivs): New variable.
2767 (cselib_reset_table): Check that it's not set when not
2768 preserving constants.
2769 (cselib_add_permanent_equiv): Set it.
2770 (cselib_have_permanent_equivalences): New.
2771 (cselib_init, cselib_finish): Reset it.
2772 * cselib.h (cselib_have_permanent_equivalences): Declare.
2773 * alias.c (get_addr): Restore earlier behavior when there
2774 aren't permanent equivalences.
2776 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2778 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2779 * config/v850/v850-modes.def: Fix copyright notice.
2781 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2783 * doc/extend.texi (AVR Built-in Functions): Document
2784 __builtin_avr_flash_segment.
2786 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2787 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2788 (*split.flash_segment): New insn-and-split.
2789 * config/avr/avr.c (avr_init_builtins): Add local variables:
2790 const_memx_void_node, const_memx_ptr_type_node,
2791 char_ftype_const_memx_ptr.
2793 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2795 PR tree-optimization/52445
2796 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2797 add ssa_name_ver, offset and size fields and change store field
2799 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2800 (add_or_mark_expr): Likewise. Only consider previous stores
2801 with the same size and offset.
2802 (nt_init_block): Only look at gimple_assign_single_p stmts,
2803 doesn't look at rhs2.
2805 2012-03-01 Richard Guenther <rguenther@suse.de>
2808 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2809 conversions from integral types to pointer types.
2811 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2813 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2814 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2815 unintentionally removed in r184616.
2817 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2819 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2822 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2823 Uros Bizjak <ubizjak@gmail.com>
2826 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2827 alternatives, add "e" constraint to the new last alternative
2828 and ! to last 3 alternatives.
2830 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2832 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2833 DW_AT_artificial attributes at the end of the processing.
2834 (gen_array_type_die): Likewise.
2835 (gen_enumeration_type_die): Likewise.
2836 (gen_struct_or_union_type_die): Likewise.
2837 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2840 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2843 * expr.c (expand_assignment): If doing misaligned store that doesn't
2844 cover all mode bits, perform a RMW cycle.
2846 PR tree-optimization/52429
2847 * tree-parloops.c (separate_decls_in_region_debug): Return early
2848 if var is LABEL_DECL.
2850 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2852 PR tree-optimization/52424
2853 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2854 calling dom_thread_across_edge.
2856 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2858 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2860 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2862 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2863 * config/avr/avr.c (avr_output_bld): Remove unused function.
2864 (avr_out_sbxx_branch): Use "%T" to print bit position.
2866 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2868 * config/avr/avr.md: Untabify.
2870 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2872 * config/avr/avr.md (eqne): New code iterator.
2873 (*dec-and-branchsi): Use it in text peephole's condition.
2874 (*dec-and-branchhi): Ditto.
2875 (*dec-and-branchqi): Ditto.
2877 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2880 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2881 the device does not have the skip-bug.
2883 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2885 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2886 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2887 -mpretend-cmove): New.
2889 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2892 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2893 doesn't count DEBUG_INSN refs.
2894 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2895 for DEBUG_INSN refs.
2897 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2901 2012-02-20 Richard Guenther <rguenther@suse.de>
2902 PR tree-optimization/52298
2903 * tree-vect-stmts.c (vectorizable_load): Properly use
2904 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2907 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2910 * gimple.h (gimple_in_transaction): New.
2911 (gimple_set_in_transaction): New.
2912 (struct gimple_statement_base): Add in_transaction field.
2913 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2915 (tree_ssa_lim_initialize): Compute transaction bits.
2916 * tree.h (compute_transaction_bits): Protoize.
2917 * trans-mem.c (tm_region_init): Use the heap to store BB
2919 (compute_transaction_bits): New.
2921 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2923 * gcc.c (display_help): Document --help=common and sort entries
2926 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2928 * doc/install.texi: Document check-$LANG specific shortcuts
2930 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2933 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2935 * config/arm/arm_neon.h: Regenerate.
2936 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2937 (neon_vcgeu): New insn.
2938 (neon_vcgtu): Likewise.
2939 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2940 (ops): Unsigned comparison intrinsics call a different
2943 2012-02-28 Richard Guenther <rguenther@suse.de>
2946 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2947 ordering for the VEC_CONCAT for two element vectors for
2948 V2SFmode, V2SImode and V2DImode.
2950 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2953 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2954 detecting big-endian triplets.
2956 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2958 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2959 mode if there is no type information available.
2961 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2963 PR tree-optimization/53207
2964 * doc/invoke.texi: Document as experimental and relying on graphite.
2966 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2968 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2969 of initializer to changes from r184614.
2971 2012-02-28 Richard Guenther <rguenther@suse.de>
2973 PR tree-optimization/52395
2974 * tree-sra.c (build_ref_for_offset): Also look at the base
2975 TYPE_ALIGN when figuring out the alignment of the replacement.
2977 2012-02-28 Richard Guenther <rguenther@suse.de>
2979 PR tree-optimization/52402
2980 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2981 mis-aligned types when creating the accesses at the call site.
2983 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2985 * config/avr/builtins.def: New file.
2986 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2987 * config/avr/avr.c (enum avr_builtin_id): Use it.
2988 (avr_init_builtins): Use it. And use avr_bdesc.
2989 (bdesc_1arg): Remove.
2990 (bdesc_2arg): Remove.
2991 (bdesc_3arg): Remove.
2992 (struct avr_builtin_description): Add field n_args.
2993 (avr_bdesc): New static variable using builtins.def.
2994 (avr_expand_builtin): Use it.
2995 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2996 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2997 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2999 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3002 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3003 match only one single hard register with respective hard reg rtx.
3004 (movmemx_<mode>): Ditto.
3005 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3006 insn anatomy of movmem[x]_<mode>.
3007 (avr_out_movmem): Same for printing assembler and operand usage.
3009 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3013 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3014 address spaces located outside of device flash.
3016 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3017 (mcu_type_s): Add field n_flash.
3018 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3019 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3020 (AVR_MCU): Add N_FLASH argument.
3021 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3022 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3023 macro __FLASH<n> if that address space makes sense for the device.
3024 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3025 outside of target flash.
3026 (avr_asm_named_section): Ditto.
3027 (avr_asm_select_section): Ditto.
3028 (avr_addr_space_convert): Ditto.
3029 (avr_emit_movmemhi): Ditto.
3030 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3031 address space is outside of device flash.
3032 (avr_insert_attributes): Ditto.
3033 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3034 avr_current_arch->n_segments.
3036 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3039 * config/i386/i386.md (*movabs<mode>_1): Enable only for
3041 (*movabs<mode>_2): Likewise.
3043 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3046 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3047 s_register_operand in the test instead of REG_P. Don't call
3048 gen_reg_rtx if it won't be used.
3050 PR tree-optimization/52376
3051 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3053 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3055 * ifcvt.c (noce_get_condition): Check condition variable is not
3056 small_register_classes_for_mode_p before accepting.
3058 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3060 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3062 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3065 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3066 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3068 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3070 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3072 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3074 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3076 * config/sh/predicates.md: Remove blank lines.
3077 * config/sh/sh.c: Fix typos in comments.
3078 * config/sh/constraints.md: Likewise.
3079 * config/sh/sh.md: Remove blank lines.
3080 Fix typos in comments. Use ;; as comment characters.
3082 2012-02-26 Walter Lee <walt@tilera.com>
3084 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3085 (replace_mov_pcrel_step2): Ditto.
3087 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3090 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3091 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3092 and locs that reference values newer than the non-canonical value
3093 at hand. Return the canonical value as a worst case.
3094 (memrefs_conflict_p): Walk canonical value's locs.
3097 * cselib.c (preserve_only_constants): Rename to...
3098 (preserve_constants_and_equivs): ... this. Split out...
3099 (invariant_or_equiv_p): ... this. Preserve plus expressions
3100 of other preserved expressions too.
3101 (cselib_reset_table): Adjust.
3102 * var-tracking.c (reverse_op): Use canonical value to build
3105 2012-02-23 Kai Tietz <ktietz@redhat.com>
3107 * config/i386/i386.c (ix86_delegitimize_address): Handle
3108 UNSPEC_PCREL plus displacement.
3110 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3113 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3114 to test for unusedness in st X addressing.
3116 2012-02-24 Richard Guenther <rguenther@suse.de>
3119 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3120 (is_gimple_reg_type): Move inline ...
3121 * gimple.h (is_gimple_reg_type): ... here.
3123 2012-02-24 Richard Guenther <rguenther@suse.de>
3126 * passes.c (execute_function_todo): When verifying SSA form
3127 verify gimple form first.
3128 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3130 2012-02-24 Richard Guenther <rguenther@suse.de>
3133 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3134 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3136 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3138 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3140 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3142 * tree-phinodes.c (make_phi_node): Mark static.
3143 * tree-flow.h (make_phi_node): Remove extern decl.
3144 * doc/gimple.texi (make_phi_node): Remove documentation.
3146 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3148 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3149 * tree-ssa-sccvn.c (print_scc): Ditto.
3151 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3153 * doc/passes.texi (Full redundancy elimination): Fix typo.
3155 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3157 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3159 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3162 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3164 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3167 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3169 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3171 * config/avr/avr.md (code_stdname): Add ior, xor.
3172 (xior): New code iterator.
3173 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3174 (*<code_stdname><mode>qi.byte1-3): Ditto.
3176 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3178 PR tree-optimization/52019
3179 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3182 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3184 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3185 HAVE_INITFINI_ARRAY to work around namespace pollution in
3186 certain versions of newlib system headers.
3187 * config.in: Regenerate.
3188 * configure: Regenerate.
3189 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3190 instead of HAVE_INITFINI_ARRAY.
3192 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3195 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3196 is not offsettable memory reference.
3198 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3201 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3202 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3204 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3206 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3207 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3209 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3211 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3212 library on Solaris 8 even without TLS support.
3213 * configure: Regenerate.
3215 2012-02-22 Richard Guenther <rguenther@suse.de>
3218 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3219 for GIMPLE_DEBUG stmts.
3221 2012-02-22 Martin Jambor <mjambor@suse.cz>
3224 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3225 according to the base object.
3227 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3229 PR rtl-optimization/50063
3230 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3231 and 2 (8-bit SP) in operand 2.
3232 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3233 setup to use movhi_sp_r instead of vanilla move to write SP.
3234 Adjust REG_CFA notes to superseed unspec.
3235 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3237 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3238 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3239 irq_state 1 (IRQ known to be on) here.
3241 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3243 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3245 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3246 assign_hard_reg): Likewise.
3248 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3250 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3252 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3255 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3256 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3258 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3260 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3261 prototype from here to...
3262 * config/avr/avr.h: ...here.
3264 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3267 * thumb2.md (thumb2_shiftsi3_short): Split register and
3268 immediate shifts. For register shifts tie operands 0 and 1.
3269 (peephole2 for above): Check that register-controlled shifts
3270 have suitably tied operands.
3272 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3275 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3276 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3277 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3278 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3279 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3280 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3281 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3282 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3283 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3284 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3285 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3286 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3287 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3288 bdver1_ssevector_avx256_unaligned_load,
3289 bdver1_ssevector_sse128_unaligned_load,
3290 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3291 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3292 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3293 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3294 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3295 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3296 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3297 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3298 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3299 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3300 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3301 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3302 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3303 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3304 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3305 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3306 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3307 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3308 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3309 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3310 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3311 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3312 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3313 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3314 bdver1_ssediv_double_load, bdver1_ssediv_double,
3315 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3316 Add "bdver2" attribute.
3318 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3320 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3321 default if possible and not specified otherwise.
3323 2012-02-21 Richard Guenther <rguenther@suse.de>
3326 * gimplify.c (create_tmp_from_val): Use the main variant type
3327 for the type of the temporary we create.
3329 2012-02-21 Richard Guenther <rguenther@suse.de>
3331 PR tree-optimization/52324
3332 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3333 do not gimplify a MEM_REF address operand if it is already
3336 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3338 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3339 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3341 2012-02-21 Richard Guenther <rguenther@suse.de>
3343 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3344 nested_in_vect_loop.
3346 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3348 PR tree-optimization/52318
3349 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3350 vdef also to non-pure/const call stmts in the sequence.
3352 2012-02-20 David S. Miller <davem@davemloft.net>
3354 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3355 don't use the "rd %pc" instruction on v9 for PIC register loads.
3357 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3360 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3361 in a transaction safe function.
3363 2012-02-20 Kai Tietz <ktietz@redhat.com>
3366 * stor-layout.c (place_field): Handle desired_align for
3369 2012-02-20 Richard Guenther <rguenther@suse.de>
3371 PR tree-optimization/52298
3372 * tree-vect-stmts.c (vectorizable_store): Properly use
3373 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3375 (vectorizable_load): Likewise.
3376 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3377 Access DR_STEP after ensuring it is not NULL.
3379 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3381 PR tree-optimization/52286
3382 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3383 optimization use double_int_to_tree instead of build_int_cst_wide,
3384 rewrite to use double_int vars.
3386 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3389 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3391 Remove -e 0 from $gcc_cv_ld invocation.
3392 Only use __GLIBC_PREREQ if defined.
3393 Enable on Solaris since Solaris 8 patch.
3394 (gcc_SUN_LD_VERSION): New macro.
3395 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3396 gcc_SUN_LD_VERSION for version number format.
3397 * configure: Regenerate.
3398 * varasm.c (get_elf_initfini_array_priority_section): Set
3399 SECTION_NOTYPE for non-default priority.
3400 Use get_section instead of get_unnamed_section to emit
3401 .init_array/.fini_array with default priority.
3403 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3405 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3406 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3407 (mips_start_unique_function, mips_output_mips16_rdhwr)
3408 (mips_code_end): New functions.
3409 (TARGET_ASM_CODE_END): Define.
3411 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3413 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3414 to stubs with non-sibling calls.
3416 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3418 * doc/invoke.texi (-fira-* options): Copy-edit.
3419 (ira-* parameters): Copy-edit.
3421 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3423 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3424 GCC coding conventions.
3426 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3428 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3429 when used as adjectives.
3431 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3433 * doc/invoke.texi: Clean up "that"/"which" confusion.
3435 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3437 * system.h: Poison SMALL_REGISTER_CLASSES
3438 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3439 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3441 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3443 PR tree-optimization/52285
3444 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3445 when deciding if a call is a tail call or tail recursion.
3447 2012-02-16 Kai Tietz <ktietz@redhat.com>
3449 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3450 interger-constant displacement for UNSPEC_PCREL.
3452 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3454 PR rtl-optimization/52208
3455 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3456 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3458 PR tree-optimization/52255
3459 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3460 loop->header has virtual PHI, but exit_e->dest doesn't, add
3461 virtual PHI to exit_e->dest and adjust all uses after the loop.
3464 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3465 children with clone_tree_hash, not after it.
3467 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
3469 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3470 extended identifiers.
3472 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3475 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3476 a same_body_alias, also test whether e->callee isn't a former
3477 or current clone of the decl this is a same body alias of.
3479 PR translation/52264
3480 * cgraphunit.c (verify_cgraph_node): Fix a typo.
3482 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
3484 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3486 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
3489 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3490 force_reg instead of copy_to_reg for better optimization. Force
3491 non-register or memory operands into a register.
3493 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
3495 * extend.texi: Reserve upper bits of memory model for future use.
3497 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
3498 Anatoly Sokolov <aesok@post.ru>
3499 Eric Weddington <eric.weddington@atmel.com>
3502 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3503 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3504 Rewrite initializers for .macro.
3505 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3506 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3507 atxmega32d4, atxmega32x1.
3508 avrxmega4: atxmega64a3, atxmega64d3.
3509 avrxmega5: atxmega64a1, atxmega64a1u.
3510 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3511 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3512 avrxmega7: atxmega128a1, atxmega128a1u.
3513 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3514 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3515 (struct base_arch_s): Rename reserved to xmega_p.
3516 Rename reserved2 to have_rampd.
3517 (AVR_XMEGA): New define.
3518 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3519 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3520 * config/avr/predicates.md (io_address_operand): Take into
3522 (low_io_address_operand): Ditto.
3523 (high_io_address_operand): Ditto.
3524 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3525 (enabled, movhi_sp_r): Use them.
3526 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3527 cpp_define_formatted to built-in define __AVR_ARCH__.
3528 (__AVR_XMEGA__): New built-in define.
3529 (__AVR_HAVE_RAMPD__): New built-in define.
3530 (__AVR_HAVE_RAMPX__): New built-in define.
3531 (__AVR_HAVE_RAMPY__): New built-in define.
3532 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3534 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3535 (avr_option_override): Initialize them.
3536 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3537 (avr_init_expanders): Initialize them. No more block several calls.
3538 (emit_push_sfr): New static function.
3539 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3541 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3542 (avr_print_operand): Print addreeses as symbols for
3543 RAMPX, RAMPY, RAMPD, CCP.
3544 (output_movhi): Handle AVR_XMEGA when writing to SP.
3545 (avr_out_movhi_mr_r_xmega): New static function.
3546 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3547 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
3548 __RAMPD__, __CCP__ as needed.
3550 * config/avr/multilib.h: Regenerate.
3551 * config/avr/t-multilib: Regenerate.
3552 * config/avr/avr-tables.opt: Regenerate.
3554 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3556 PR tree-optimization/50561
3557 * graphite-flattening.c (lst_project_loop): Do not
3558 remove old scattering dimensions after flattening.
3559 (lst_do_flatten): Likewise.
3561 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3563 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3564 __builtin_avr_map8, __builtin_avr_map16.
3565 Document __builtin_avr_insert_bits.
3567 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3568 (insert_bits): New insn.
3569 (adjust_len.map_bits): Rename to insert_bits.
3570 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3571 * avr-protos.h (avr_out_map_bits): Remove.
3572 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3573 * config/avr/constraints.md (Cxf,C0f): New.
3574 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3575 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3576 New built-in define __BUILTIN_AVR_INSERT_BITS.
3577 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3578 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3579 (avr_move_bits): Rewrite.
3580 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3582 (avr_map_op_t): New typedef.
3583 (avr_map_op): New static variable.
3584 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3585 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3586 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3587 (bdesc_3arg, avr_expand_triop_builtin): New.
3588 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3589 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3590 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3591 (avr_map_equal_p, avr_map_sig_p): Remove.
3592 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3593 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3594 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3595 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3596 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3597 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3599 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3601 * config/c6x/c6x.md (reserve_cycles): New attribute.
3602 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3603 don't reserve functional units after the branch occurs.
3605 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3608 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3609 functions into non-tm_pure functions.
3611 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3614 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3615 (iterative_hash_canonical_type): Likewise.
3616 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3619 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3621 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3622 sched-group insn, it either remains alone or the entire list is pruned.
3624 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3626 * doc/install.texi (Prerequisites): Fix grammar.
3627 (Configuration): Likewise.
3629 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3631 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3632 MPC as part of GCC before describing configuring with --with-gmp etc.
3633 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3634 sources are present.
3636 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3639 * dwarf2out.c (clone_tree_hash): New function.
3640 (copy_decls_walk): Use it instead of clone_tree.
3642 2012-02-14 Richard Guenther <rguenther@suse.de>
3644 PR tree-optimization/52244
3645 PR tree-optimization/51528
3646 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3647 replacements for integral types.
3649 2012-02-14 Walter Lee <walt@tilera.com>
3651 * config.gcc: Handle tilegx and tilepro.
3652 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3654 Add HAVE_AS_TLS check for tilegx and tilepro.
3655 * configure: Regenerate.
3656 * doc/contrib.texi: Add Mat Hostetter and self.
3657 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3658 Document instruction intrinsics and network accessing intrinsics.
3659 (TILEPro Built-in Functions): New node. Document instruction
3660 intrinsics and network accessing intrinsics.
3661 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3662 (Specific, tilepro-*-linux*): Likewise.
3663 * doc/invoke.texi (TILE-Gx Options): New section.
3664 (TILEPro Options): New section.
3665 * doc/md.texi (TILE-Gx): New section.
3666 (TILEPro): New section.
3667 * common/config/tilegx/tilegx-common.c: New file.
3668 * common/config/tilepro/tilepro-common.c: New file.
3669 * config/tilegx/constraints.md: New file.
3670 * config/tilegx/linux.h: New file.
3671 * config/tilegx/mul-tables.c: New file.
3672 * config/tilegx/predicates.md: New file.
3673 * config/tilegx/sync.md: New file.
3674 * config/tilegx/t-tilegx: New file.
3675 * config/tilegx/tilegx-builtins.h: New file.
3676 * config/tilegx/tilegx-c.c: New file.
3677 * config/tilegx/tilegx-generic.md: New file.
3678 * config/tilegx/tilegx-modes.def: New file.
3679 * config/tilegx/tilegx-multiply.h: New file.
3680 * config/tilegx/tilegx-protos.h: New file.
3681 * config/tilegx/tilegx.c: New file.
3682 * config/tilegx/tilegx.h: New file.
3683 * config/tilegx/tilegx.md: New file.
3684 * config/tilegx/tilegx.opt: New file.
3685 * config/tilepro/constraints.md: New file.
3686 * config/tilepro/gen-mul-tables.cc: New file.
3687 * config/tilepro/linux.h: New file.
3688 * config/tilepro/mul-tables.c: New file.
3689 * config/tilepro/predicates.md: New file.
3690 * config/tilepro/t-tilepro: New file.
3691 * config/tilepro/tilepro-builtins.h: New file.
3692 * config/tilepro/tilepro-c.c: New file.
3693 * config/tilepro/tilepro-generic.md: New file.
3694 * config/tilepro/tilepro-modes.def: New file.
3695 * config/tilepro/tilepro-multiply.h: New file.
3696 * config/tilepro/tilepro-protos.h: New file.
3697 * config/tilepro/tilepro.c: New file.
3698 * config/tilepro/tilepro.h: New file.
3699 * config/tilepro/tilepro.md: New file.
3700 * config/tilepro/tilepro.opt: New file.
3702 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3704 PR tree-optimization/52210
3705 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3706 vect_model_simple_cost with two entry vect_def_type array instead
3707 of an address of dt.
3709 2012-02-14 Richard Guenther <rguenther@suse.de>
3712 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3713 Do not stream DECL_QUALIFIER.
3714 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3715 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3716 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3718 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3721 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3724 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3727 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3728 * cselib.c (cselib_subst_to_values_from_insn): New function.
3729 * sched-deps.c (add_insn_mem_dependence,
3730 sched_analyze_1, sched_analyze_2): Use it.
3732 2012-02-13 Jan Hubicka <jh@suse.cz>
3735 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3737 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3739 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3740 (GTM_SELF_SPECS): Define if not already defined.
3741 (driver_self_specs): Add GTM_SELF_SPECS.
3742 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3743 (GTM_SELF_SPECS): Define.
3744 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3745 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3747 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3749 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3752 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3755 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3756 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3758 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3761 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3763 2012-02-13 Richard Guenther <rguenther@suse.de>
3765 PR translation/52211
3766 * passes.c (enable_disable_pass): Fix typo.
3768 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3771 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3772 XOR for reduce_bit_field if type is unsigned.
3774 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3776 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3777 disallow changes from SFmode to mode with different size in FP regs.
3779 2012-02-12 Robert Millan <rmh@gnu.org>
3780 Gerald Pfeifer <gerald@pfeifer.com>
3782 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3785 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3787 PR rtl-optimization/52175
3788 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3789 to frame-related instructions.
3791 2012-02-10 Jason Merrill <jason@redhat.com>
3794 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3795 (demangle_new_symbols): Fill it.
3796 (scan_linker_output): Walk it.
3797 (start_tweaking): Split out from scan_linker_output.
3798 (maybe_tweak): Update sym->chosen.
3799 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3801 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3804 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3806 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3808 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3809 having the same mode as previous compare.
3811 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3813 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3814 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3815 (nonlocal_goto_internal): Likewise.
3816 (nonlocal_goto): Emit a use and an indirect jump directly.
3818 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3821 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3822 __atomic_{is,always}_lock_free.
3824 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3827 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3828 negative constant address for x32.
3830 2012-02-10 Richard Henderson <rth@redhat.com>
3832 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3833 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3834 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3836 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3837 Ira Rosen <irar@il.ibm.com>
3839 PR tree-optimization/50031
3840 * targhooks.c (default_builtin_vectorization_cost): Handle
3842 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3843 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3844 all types of reduction and pattern statements.
3845 (vect_estimate_min_profitable_iters): Likewise.
3846 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3847 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3848 for explicit realigns.
3849 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3850 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3852 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3853 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3854 vec_perm for VSX and handle vec_promote_demote.
3856 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3859 * builtins.c (fold_builtin_atomic_always_lock_free,
3860 expand_builtin_atomic_always_lock_free,
3861 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3862 Return and/or test boolean_true_node/boolean_false_node instead of
3863 integer_one_node/integer_zero_node.
3865 2012-02-10 Jan Hubicka <jh@suse.cz>
3868 * predict.c (predict_paths_for_bb): Prevent looping.
3869 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3871 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3873 * config/arm/arm.c (output_move_double): In one case properly
3874 count number of instructions that will be emitted.
3876 2012-02-10 Richard Guenther <rguenther@suse.de>
3878 PR translation/52193
3879 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3881 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3884 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3886 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3889 * var-tracking.c (emit_note_insn_var_location): If
3890 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3891 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3892 non-NOTE_DURING_CALL_P insn.
3894 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3897 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3899 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3902 * gcc.c (switch_matches) Support switches with separated form,
3905 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3907 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3909 (RAMPZ_ADDR): Ditto.
3910 * config/avr/avr.c (avr_addr_t): New typedef.
3911 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3912 (avr_init_expanders): Initialize it.
3913 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3915 (expand_epilogue): Ditto.
3916 (avr_print_operand): Ditto.
3917 (avr_file_start): Ditto.
3918 (avr_emit_movmemhi): Ditto.
3920 2012-02-08 Richard Guenther <rguenther@suse.de>
3922 PR tree-optimization/46886
3923 * tree-flow.h (do_while_loop_p): Declare.
3924 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3925 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3927 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3929 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3930 always succeed for integers larger than a native word.
3932 2012-02-08 Richard Guenther <rguenther@suse.de>
3934 PR rtl-optimization/52170
3935 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3936 properly handle integer vector modes.
3938 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3940 PR gcov-profile/52150
3941 * coverage.c: Include target.h.
3942 (build_var): Call targetm.strip_name_encoding on the assembler name.
3943 Change one _ into . or $ if the target allows it.
3944 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3946 PR rtl-optimization/52139
3947 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3948 is a BARRIER after emit_insn_after_noloc, move BB_END
3949 to the last non-BARRIER insn before it.
3951 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3954 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3955 (mips_gimplify_va_arg_expr): Call it instead of
3956 std_gimplify_va_arg_expr.
3958 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3960 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3961 message for -mno-pointers-to-nested-function.
3963 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3966 * expr.c (get_inner_reference): If there is an offset, add a negative
3967 bit position to it (if any).
3969 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3971 PR rtl-optimization/52060
3972 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3973 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3974 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3975 and/or i0src_copy2 when needed.
3977 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3979 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3980 or LTOPLUGINSONAME if have_c.
3982 * config/freebsd-spec.h: Add comment about what macros can be defined
3984 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3985 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3988 2012-02-07 Richard Guenther <rguenther@suse.de>
3990 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3991 newline in -alias dumps.
3993 2012-02-07 Kai Tietz <ktietz@redhat.com>
3994 Dave Korn <dave.korn.cygwin@gmail.com>
3997 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3998 Take care that typinfo gets dllexport-attribute.
4000 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4003 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4004 if modifier < EXPAND_SUM call force_operand on the result.
4006 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4008 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4009 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4011 (epiphany_function_type): Replace types for specific interrupts with
4012 EPIPHANY_FUNCTION_INTERRUPT.
4013 (EPIPHANY_INTERRUPT_P): Update.
4014 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4015 New static function.
4016 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4017 <disinterrupt>: Affects type identity.
4018 (epiphany_handle_interrupt_attribute): Handle variable number of
4020 (epiphany_compute_function_type): Update for new
4021 epiphany_function_type definition.
4022 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4023 handlers with a longcall forwarder.
4024 (epiphany_start_function): Handle multiple interrupt arguments and/or
4025 forwarder_section attribute.
4027 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4030 2012-02-07 Alan Modra <amodra@gmail.com>
4033 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4036 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4038 PR tree-optimization/50969
4039 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4040 use vec_perm rather than vector_stmt.
4041 (vect_model_load_cost): Likewise.
4042 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4043 vec_perm to be the same as other vector statements.
4044 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4045 cost of vec_perm for TARGET_VSX.
4047 2012-02-06 Richard Guenther <rguenther@suse.de>
4049 PR tree-optimization/52115
4050 * tree-sra.c (access_has_replacements_p): New function.
4051 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4053 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4056 * trans-mem.c (expand_call_tm): Add an assertion.
4057 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4060 2012-02-06 Richard Guenther <rguenther@suse.de>
4062 PR tree-optimization/50955
4063 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4064 raise cost of expressions that replace an address with an
4065 expression based on a different pointer.
4067 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4070 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4071 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4073 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4076 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4077 -Weffc++ and specify guidelines come from second edition.
4079 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4081 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4082 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4083 (call_direct_split, call_value_split, call_value_internal_direct)
4084 (call_value_direct_split, call_value_multiple_split): Use jal and
4085 jal_macro attributes.
4087 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4089 * reload1.c (reload_regs_reach_end_p): Replace with...
4090 (reload_reg_rtx_reaches_end_p): ...this function.
4091 (new_spill_reg_store): Update commentary.
4092 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4093 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4094 before setting new_spill_reg_store.
4095 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4096 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4097 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4098 for non-spill reload registers.
4100 2012-02-05 Ira Rosen <irar@il.ibm.com>
4102 PR tree-optimization/52091
4103 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4104 (vect_is_simple_use_1): Likewise.
4105 * tree-vect-loop.c (vectorizable_reduction): Update calls
4106 to vect_is_simple_use_1 and vect_is_simple_use.
4107 (vectorizable_live_operation): Likewise.
4108 * tree-vect-patterns.c (widened_name_p,
4109 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4110 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4111 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4112 vectorizable_shift,vectorizable_operation, vectorizable_store,
4113 vectorizable_load): Likewise.
4114 (vect_is_simple_cond): Add an argument, pass it to
4115 vect_is_simple_use_1.
4116 (vectorizable_condition): Update calls to vect_is_simple_cond,
4118 (vect_is_simple_use): Add an argument, the statement in which
4119 OPERAND is used. Check that if OPERAND's def stmt is a double
4120 reduction phi node, the use is a phi node too.
4121 (vect_is_simple_use_1): Add an argument, pass it to
4123 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4124 to vect_is_simple_use.
4126 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4128 PR rtl-optimization/52095
4129 * modulo-sched.c (dump_insn_locator): New function.
4130 (loop_canon_p, sms_schedule): Use it.
4132 PR rtl-optimization/52113
4133 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4134 even for decomposable shift/zext insns.
4136 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4137 Zdenek Dvorak <ook@ucw.cz>
4139 PR rtl-optimization/52092
4140 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4141 on get_iv_value result.
4143 2012-02-02 Andrew Pinski <apinski@cavium.com>
4147 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4149 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4152 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4154 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4156 PR rtl-optimization/49800
4157 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4158 (sched_finish): Call regstat_free_n_sets_and_refs.
4160 2012-02-02 Jia Liu <proljc@gmail.com>
4162 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4165 2012-02-02 Jan Hubicka <jh@suse.cz>
4166 Tom de Vries <tom@codesourcery.com>
4169 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4170 * varpool.c (varpool_analyze_pending_decls): Likewise.
4172 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4173 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4175 * config.gcc: Add cr16-* support.
4177 * doc/extend.texi: Document cr16 extensions.
4178 * doc/install.texi: Document cr16 install.
4179 * doc/invoke.texi: Document cr16 options.
4180 * doc/md.texi: Document cr16 constraints.
4182 * common/config/cr16/cr16-common.c: New file.
4183 * config/cr16/cr16.c: New file.
4184 * config/cr16/cr16.h: New file.
4185 * config/cr16/cr16.md: New file.
4186 * config/cr16/cr16.opt: New file.
4187 * config/cr16/cr16-protos.h: New file.
4188 * config/cr16/predicates.md: New file.
4189 * config/cr16/constraints.md: New file.
4190 * config/cr16/t-cr16: New file.
4192 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4195 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4196 that operands[2] is either immediate, or q_regs_operand.
4198 PR tree-optimization/52073
4199 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4200 a pattern stmt for pattern uses, ignore uses outside of the loop.
4202 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4204 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4205 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4206 (OUT_AS1, OUT_AS2): Remove.
4208 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4210 PR rtl-optimization/51374
4211 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4212 to cross other volatile_refs_p insns.
4214 2012-02-01 Richard Guenther <rguenther@suse.de>
4216 * doc/invoke.texi (fno-inline): Clarify documentation.
4217 (finline-small-functions): Likewise.
4218 (finline-functions): Likewise.
4219 * common.opt (finline): Adjust comment and documentation.
4220 (finline-small-functions): Clarify documentation.
4221 (finline-functions): Likewise.
4222 (finline-functions-called-once): Likewise.
4224 2012-02-01 Tristan Gingold <gingold@adacore.com>
4226 * c-typeck.c (composite_type): Keep mode for pointers.
4228 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4230 * function.h (regno_reg_rtx): Adjust comment.
4231 * reginfo.c (init_reg_modes_target): Only use the previous mode
4232 if it fits within one register. Remove MIPS comment.
4234 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4237 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4239 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4241 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4242 to srak instruction.
4244 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4246 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4248 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4253 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4255 2012-01-31 Richard Guenther <rguenther@suse.de>
4257 PR tree-optimization/51528
4258 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4261 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4266 * ree.c (add_removable_extension): Change def_map argument
4267 to unsigned *, store in def_map 1 + offset into *insn_list vector
4268 instead of pointers into the vector.
4269 (find_removable_extensions): Adjust caller.
4271 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4273 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4274 Transform all "* quoted-c-code" to { c-code }.
4275 Remove redundant test for "optimize" in combine patterns.
4276 Move (include "avr-dimode.md") to end of file.
4278 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4281 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4282 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4284 2012-01-30 Richard Guenther <rguenther@suse.de>
4286 PR tree-optimization/52028
4287 * tree-loop-distribution.c (ldist_gen): Properly update
4290 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4293 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4294 set_cur_line_info_table if not emitting debug info.
4296 PR tree-optimization/52046
4297 * tree-vect-patterns.c (check_bool_pattern): Give up if
4298 a comparison could throw.
4301 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4303 2012-01-30 Richard Guenther <rguenther@suse.de>
4305 PR tree-optimization/52045
4306 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4307 SSA form if cfgcleanup did anything.
4309 2012-01-30 Richard Guenther <rguenther@suse.de>
4311 PR tree-optimization/52045
4312 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4313 before computing final todo.
4315 2012-01-30 Richard Guenther <rguenther@suse.de>
4317 PR tree-optimization/51528
4318 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4321 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4323 * df-problems.c (df_kill_notes): Check that the use refers
4324 to the note under examination.
4326 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4329 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4330 parameter and use short-lived pseudos.
4331 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4332 (sparc_expand_vector_init): Const-ify local variables and adjust
4333 calls to above functions.
4335 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4337 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4339 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4341 * doc/invoke.texi: Make usage of "compile time" and
4342 "run time"/"runtime" consistent throughout the file.
4344 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4346 * config/alpha/alpha.c (alpha_option_override): Default to
4347 full IEEE compliance mode for Go language.
4349 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4351 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4352 (LINK_SSP_SPEC): Define.
4354 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4357 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4360 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4362 * doc/invoke.texi: Correct hyphenation of "floating point",
4363 "double precision", and related terminology throughout the file.
4365 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4368 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4369 arm_general_register_operand predicate for operand 2 instead of
4372 2012-01-27 Ian Lance Taylor <iant@google.com>
4375 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4376 * builtins.c (expand_builtin_init_trampoline): Add onstack
4377 parameter. Change caller.
4378 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4379 * tree.c (build_common_builtin_nodes): Declare
4380 __builtin_init_heap_trampoline.
4382 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4384 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4385 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4386 * config/avr/avr.c: Ditto.
4387 (avr_regnames): Remove because unused.
4388 * config/avr/avr.md (*cpse.ne): New peephole.
4389 (*cpse.eq): New peephole from former cpse peepholes.
4391 2012-01-27 Michael Eager <eager@eagercon.com>
4393 * config/microblaze.c (microblaze_emit_compare): Correct
4394 test after pcmp instruction.
4396 2012-01-27 Richard Guenther <rguenther@suse.de>
4398 PR tree-optimization/52020
4399 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4401 2012-01-27 Richard Guenther <rguenther@suse.de>
4403 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4404 function non-const/pure.
4406 2012-01-27 Richard Guenther <rguenther@suse.de>
4408 PR tree-optimization/50444
4409 * tree-sra.c (build_ref_for_offset): Properly adjust the
4410 MEM_REF type for unaligned accesses.
4412 2012-01-27 Richard Guenther <rguenther@suse.de>
4414 PR tree-optimization/50444
4415 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4416 (expand_assignment): Use it. Properly handle misaligned
4417 bases when expanding stores to component references.
4418 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4421 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4424 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4425 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4426 * tree-data-ref.c (find_data_references_in_loop): Make static.
4427 (compute_all_dependences): Change return type to bool. Bail out
4428 for too many datarefs in a loop. Move the hunk resetting the data
4429 dependences vector from ...
4430 (compute_data_dependences_for_loop): ... here. Account for
4431 compute_all_dependences returning false.
4432 (compute_data_dependences_for_bb): Likewise.
4433 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4434 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4436 2012-01-27 Richard Guenther <rguenther@suse.de>
4439 * expr.c (store_field): Use the alias-set of the scratch memory
4442 2012-01-27 Tom de Vries <tom@codesourcery.com>
4444 PR tree-optimization/51990
4445 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4447 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4449 2012-01-27 Jakub Jelinek <jakub@redhat.com>
4452 * var-tracking.c (reverse_op): Don't add any reverse operation
4453 if V already has any constant locations.
4455 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4457 * doc/invoke.texi: Correct usage of "command line" (noun)
4458 vs "command-line" (adjective) throughout.
4460 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4462 * doc/invoke.texi (Language Independent Options): Move
4463 -Wcoverage-mismatch blurb from here....
4464 (Warning Options): ...to here.
4466 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
4468 * config/rs6000/rs6000.c (rs6000_option_override_internal):
4469 Set rs6000_always_hint to false for 476.
4471 2012-01-27 Matthias Klose <doko@ubuntu.com>
4473 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4475 * incpath.c (add_standard_paths): Likewise.
4477 2012-01-27 Richard Henderson <rth@redhat.com>
4479 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4480 * config/m68k/sync.md (atomic_test_and_set): Rename from
4481 sync_test_and_setqi and adjust the operands.
4482 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4483 and unconditionally enable.
4485 2012-01-27 Richard Henderson <rth@redhat.com>
4487 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4488 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4489 (ldstub): Rename from ldstubqi.
4490 (ldstub<I24MODE>): Remove.
4492 2012-01-27 Richard Henderson <rth@redhat.com>
4494 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4495 * c-cppbuiltin.c (cpp_atomic_builtins): Define
4496 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4497 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4498 * doc/tm.texi: Rebuild.
4500 2012-01-27 Richard Henderson <rth@redhat.com>
4502 * optabs.c (gen_atomic_test_and_set): Remove default.
4503 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4505 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4507 PR rtl-optimization/51978
4508 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4509 (combine_reaching_defs): Likewise.
4510 (struct re_info): Remove.
4511 (add_removable_extension): Remove x and data arguments,
4512 add insn, insn_list and def_map. Use the arguments directly
4513 instead of using struct re_info.
4514 (find_removable_extensions): Don't call add_removable_extension
4515 through note_stores, instead just call it with single_set
4517 (find_and_remove_re): Pass curr_cand->expr instead of
4518 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4520 2012-01-26 Michael Matz <matz@suse.de>
4522 PR tree-optimization/46590
4523 * cfgexpand.c: Revert last change (r183305).
4524 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4526 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4527 checking for emptiness.
4529 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4532 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4533 non-addressable non-BLKmode base correctly.
4535 2012-01-26 Michael Matz <matz@suse.de>
4537 PR tree-optimization/48794
4538 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4539 regions referenced from RESX/EH_DISPATCH.
4541 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4543 * config/s390/s390.h: Make BRANCH_COST an option.
4544 * config/s390/s390.opt: New option -mbranch-cost.
4546 2012-01-26 Richard Henderson <rth@redhat.com>
4548 Revert 2012-01-24 change:
4549 * trans-mem.c (requires_barrier): Do not instrument thread local
4550 variables and emit save/restore for them.
4552 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4555 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4558 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4560 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4563 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4566 Rename __pgm to __flash.
4567 Rename __pgm1 to __flash1.
4568 Rename __pgm2 to __flash2.
4569 Rename __pgm3 to __flash3.
4570 Rename __pgm4 to __flash4.
4571 Rename __pgm5 to __flash5.
4572 Rename __pgmx to __memx.
4573 * doc/extend.texi (AVR Named Address Spaces)
4574 Rename address space names as indicated above.
4575 * config/avr/avr.c (avr_addrspace): Ditto.
4577 * config/avr/avr-protos.h
4578 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4579 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4580 * config/avr/predicates.md: Ditto.
4581 * config/avr/avr.c Ditto, and
4582 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4583 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4585 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4586 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4587 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4588 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4589 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4590 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4591 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4592 * config/avr/avr.c: Ditto.
4593 * config/avr/avr.md: Ditto.
4595 2012-01-25 Jason Merrill <jason@redhat.com>
4598 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4600 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4602 PR tree-optimization/51987
4603 * tree-data-ref.c (get_references_in_stmt): Handle references in
4604 non-volatile GIMPLE_ASM.
4606 2012-01-25 Richard Guenther <rguenther@suse.de>
4608 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4609 bases are dereferenced.
4611 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4613 PR rtl-optimization/48374
4614 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4616 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4618 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4619 compute_data_dependences_for_loop returns false.
4620 * tree-parloops.c (loop_parallel_p): Likewise.
4622 2012-01-25 Richard Guenther <rguenther@suse.de>
4624 * tree.h (get_pointer_alignment_1): Declare.
4625 * builtins.c (get_pointer_alignment_1): New function.
4626 (get_pointer_alignment): Use it.
4628 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4630 PR rtl-optimization/48308
4631 * combine.c (enum undo_kind): Add UNDO_LINKS.
4632 (struct undo): Add member l to other_contents and where.
4633 (do_SUBST_LINK): New.
4635 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4636 (undo_all): Handle UNDO_LINKS.
4638 2012-01-25 Richard Henderson <rth@redhat.com>
4640 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4643 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4645 * optabs.c (gen_atomic_test_and_set): Use each argument.
4647 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4649 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4650 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4651 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4652 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4653 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4654 TARGET_PAIRED_SINGLE_FLOAT.
4656 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4658 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4659 (in_struct, return_val): Remove MEM documentation.
4660 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4661 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4662 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4664 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4665 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4666 * expr.c (store_field): Likewise.
4667 * function.c (assign_stack_temp_for_type): Likewise.
4668 * ifcvt.c (noce_try_cmove_arith): Likewise.
4669 * reload1.c (reload): Likewise.
4670 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4671 (alpha_set_memflags): Likewise.
4672 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4674 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4676 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4678 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4679 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4680 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4682 * cselib.c (cselib_rtx_varies_p): Delete.
4683 (cselib_invalidate_mem): Update call to canon_true_dependence.
4684 * dse.c (record_store, check_mem_read_rtx): Likewise.
4685 (scan_reads_nospill): Likewise.
4686 * cse.c (check_dependence): Likewise.
4687 (cse_rtx_varies_p): Delete.
4688 * expr.c (safe_from_p): Update call to true_dependence.
4689 * ira.c (validate_equiv_mem_from_store): Likewise.
4690 (memref_referenced_p): Likewise.
4691 * postreload-gcse.c (find_mem_conflicts): Likewise.
4692 * sched-deps.c (sched_analyze_2): Likewise.
4693 * store-motion.c (load_kills_store): Likewise.
4694 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4695 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4696 (compute_transp): Update call to canon_true_dependence.
4698 2012-01-25 Richard Henderson <rth@redhat.com>
4700 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4701 (maybe_emit_atomic_test_and_set): New.
4702 (expand_sync_lock_test_and_set): Use it.
4703 (expand_atomic_test_and_set): Likewise.
4704 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4705 the implementation; clarify implementation defined details.
4706 * doc/md.texi (atomic_test_and_set): Document.
4708 2012-01-25 Richard Henderson <rth@redhat.com>
4710 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4712 2012-01-25 Richard Henderson <rth@redhat.com>
4715 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4716 to effect no-op split.
4718 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4721 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4722 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4723 (BT_FN_VOID_PTR_INT_SIZE): New.
4724 (BT_FN_UINT_UINT_VAR): Remove.
4725 (BT_FN_UINT32_UINT32_VAR): New.
4726 (BT_FN_DOUBLE_VPTR): Remove.
4727 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4729 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4730 (_ITM_changeTransactionMode): Same.
4731 (_ITM_memmoveRtWt): Change return type to void.
4732 (_ITM_memcpyRtWt): Same.
4733 (_ITM_memsetW): Same.
4734 (_ITM_RaRD): Change types to double.
4739 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4741 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4742 Patrick Marlier <patrick.marlier@gmail.com>
4744 * trans-mem.c (requires_barrier): Do not instrument thread local
4745 variables and emit save/restore for them.
4747 2012-01-24 Jason Merrill <jason@redhat.com>
4750 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4751 output static aliases.
4753 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4756 * common.opt (-pie, -shared, pie, shared): Change from Common to
4758 * gcc.c (display_help): Display help for -pie and -shared.
4760 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4763 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4764 Remove note on size/offset limitation.
4765 (AVR Variable Attributes): Add example how to read data located
4766 with progmem. Refer to named address spaces.
4767 * doc/invoke.texi (AVR Options): Fix typo.
4769 2012-01-24 Richard Guenther <rguenther@suse.de>
4771 Forward-port to trunk
4772 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4775 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4776 op0 isn't sufficiently aligned and there is movmisalignM
4777 insn for mode, use it to load op0 into a temporary register.
4779 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4782 * target.def (const_not_ok_for_debug_p): New hook.
4783 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4785 * doc/tm.texi: Regenerated.
4786 * dwarf2out.c (const_ok_for_output_1): If
4787 targetm.const_not_ok_for_debug_p returns true, fail.
4788 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4790 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4792 2012-01-23 Kai Tietz <ktietz@redhat.com>
4795 * config/i386/predicates.md (symbolic_operand): Allow
4796 UNSPEC_PCREL as PIC expression for lea.
4797 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4798 * config/i386/i386.c (ix86_delegitimize_address): Handle
4799 UNSPEC_PCREL for none-MEM, too.
4801 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4803 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4804 (ipa_tm_create_version_alias): Same.
4806 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4809 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4810 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4812 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4813 Patrick Marlier <patrick.marlier@gmail.com>
4814 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4817 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4818 simple_object_start_read.
4820 2012-01-23 Richard Guenther <rguenther@suse.de>
4823 PR tree-optimization/51895
4824 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4825 parameter decomposition into BLKmode components.
4827 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4829 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4830 fake variables for restrict-qualified pointers whose pointed-to type
4831 contains a placeholder.
4833 2012-01-23 Richard Guenther <rguenther@suse.de>
4835 PR tree-optimization/51949
4836 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4838 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4840 PR rtl-optimization/51933
4841 * ree.c (transform_ifelse): Return true right away if dstreg is
4842 already wider or equal to cand->mode.
4843 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4844 (make_defs_and_copies_lists): Remove defs_list and copies_list
4845 arguments, add state argument, just truncate state->work_list
4846 instead of always allocating and freeing the vector. Assert that
4847 get_defs succeeds instead of returning 2. Changed return type to bool.
4848 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4849 have ext_src_mode, see if it has been modified already with the
4850 right kind of extension and has been extended before from the
4851 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4852 just return true. Remember the original mode in state->modified array.
4853 (combine_reaching_defs): Add state argument. Don't allocate and
4854 free here def_list, copied_list and vec vectors, instead just
4855 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4856 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4857 Add state variable, clear vectors in it, initialize state.modified
4858 if needed. Free all the vectors at the end and state.modified too.
4859 Don't skip a candidate if the extension expression has been modified.
4861 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4864 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4865 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4866 (extra_options) interix.opt -> i386/interix.opt"
4867 (extra_objs):Add winnt-stubs.o
4868 * configure.ac: Add interix to target_os .comm on PE check.
4869 * configure: Regenerate.
4870 * config/interix3.h: Delete and move bits to..
4871 * config/interix.h: Delete and move bits to..
4872 * config/i386/i386-interix3.h: Delete and move bits to..
4873 * config/i386/i386-interix.h: ..here.
4874 (TARGET_CPU_DEFAULT): Remove redefinition.
4875 (TARGET_ASM_CONSTRUCTOR): Undefine.
4876 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4877 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4878 (PTRDIFF_TYPE): Define.
4879 (LONG_DOUBLE_TYPE_SIZE): Define.
4880 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4881 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4882 (TARGET_SECTION_TYPE_FLAGS): Define.
4883 (ASM_DECLARE_FUNCTION_NAME): Define.
4884 (ASM_OUTPUT_EXTERNAL): Define.
4885 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4886 (ASM_OUTPUT_ALIGNED_BSS): Define.
4887 (PCC_BITFIELD_TYPE_MATTERS): Define.
4888 (USE_CONST_SECTION): Define.
4889 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4890 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4891 (SUPPORTS_ONE_ONLY): Remove.
4892 (I386_PE_STRIP_ENCODING): Define.
4893 * config/interix.opt: Delete and move bits to..
4894 * config/i386/interix.opt: ..here. New.
4895 (mpe-aligned-commons): Add.
4896 * config/i386/t-interix: Add copyright header.
4897 (winnt-stubs.o): Add rule.
4899 2012-01-22 Jason Merrill <jason@redhat.com>
4902 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4903 for extra name aliases.
4905 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4907 PR rtl-optimization/51924
4908 * ree.c (combine_set_extension): Improve debugging message.
4909 (combine_reaching_defs): Likewise.
4910 (get_defs): Rename confusingly named variable.
4911 (find_and_remove_re): Skip a candidate if the extension expression has
4914 2012-01-21 Robert Millan <rmh@gnu.org>
4915 Gerald Pfeifer <gerald@pfeifer.com>
4917 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4918 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4920 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4922 PR tree-optimization/51914
4923 * tree-vect-stmts.c (vectorizable_conversion): For
4924 cvt_type && modifier == WIDEN, put temporary with cvt_type
4925 at the beginning of vec_dsts and set vec_dest to temporary
4928 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4930 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4932 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4934 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4935 * config/rs6000/rs6000.c: Likewise.
4937 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4940 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4941 output_move_double on a copy of operands array.
4943 2012-01-20 Cary Coutant <ccoutant@google.com>
4944 Dodji Seketeli <dodji@redhat.com>
4947 * dwarf2out.c (copy_declaration_context): Return ref to parent
4948 of declaration DIE, if necessary.
4949 (remove_child_or_replace_with_skeleton): Add new parameter; update
4950 caller. Place skeleton DIE under parent DIE of original declaration.
4951 Move call to copy_declaration_context to here ...
4952 (break_out_comdat_types): ... from here.
4954 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4956 PR rtl-optimization/51856
4957 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4960 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4963 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4964 hints for neon loads and stores.
4966 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4970 * doc/extend.texi (Named Address Spaces): Split into subsections.
4971 (AVR Named Address Spaces): New subsection.
4972 (M32C Named Address Spaces): New subsection.
4973 (RL78 Named Address Spaces): New subsection.
4974 (SPU Named Address Spaces): New subsection.
4975 (Variable Attributes): New anchor "AVR Variable Attributes".
4976 (AVR Variable Attributes): Rewrite and avoid wording
4977 "address space" in this context.
4978 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4979 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4980 (AVR Built-in Macros): New subsubsection therein.
4981 * doc/md.texi (AVR constraints): Remove "C04", "R".
4983 2012-01-20 Richard Guenther <rguenther@suse.de>
4985 PR tree-optimization/51903
4986 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4987 when removing stmts.
4989 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4992 * config/arm/arm.c (arm_load_pic_register): Use
4993 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4994 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4995 (arm_pic_static_addr): Likewise.
4996 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4997 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4998 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4999 (pic_load_addr_unified): New.
5001 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5004 * function.c (instantiate_virtual_regs_in_insn): Use
5005 delete_insn_and_edges when removing a wrong asm insn.
5007 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5009 PR rtl-optimization/40761
5010 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5011 Add new member loop_num.
5012 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5013 (ira_build): Remove the parameter.
5015 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5016 (ira.c): Do not build CFG loops for one region allocation. Remove
5017 argument from ira_build call.
5019 * ira-build.c (init_loop_tree_node): New function.
5020 (create_loop_tree_nodes): Use it. Separate the case when CFG
5021 loops are not built.
5022 (more_one_region_p): Check current_loops.
5023 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5025 (add_loop_to_tree): Process loop equal to NULL too.
5026 (form_loop_tree): Separate the case when CFG loops are not built.
5027 Use explicitly number for the root.
5028 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5030 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5031 instead of loop->num.
5032 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5033 (mark_all_loops_for_removal): Ditto.
5034 (remove_unnecessary_regions): Separate the case when CFG loops
5036 (ira_build): Remove the parameter. Use explicit number of regions
5037 when CFG loops are not built.
5039 * ira-color.c (print_loop_title): Separate the case for the root node.
5040 Use loop_num instead of loop->num.
5041 (move_spill_restore): Use loop_num instead of loop->num.
5043 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5044 (change_loop): Ditto.
5045 (change_loop): Use loop_num instead of loop->num.
5047 * ira-lives.c (process_bb_node_lives): Ditto.
5049 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5051 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5053 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5056 * tree-mudflap.c (mf_artificial): New function.
5057 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5058 mx_register_decls, mudflap_enqueue_decl): Use it.
5061 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5062 numbers in the insn pattern.
5064 2012-01-19 Michael Matz <matz@suse.de>
5066 PR tree-optimization/46590
5067 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5068 use it in remembering which conflicts we already created.
5069 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5072 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5075 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5076 (merge_and_complain): Same.
5078 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5081 * config/initfini-array.h: Guard content of the header
5082 with #ifdef HAVE_INITFINI_ARRAY.
5083 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5084 Add initfini-array.h to tm_file here.
5085 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5086 * config.gcc: Don't add initfini-array.h to tm_file here.
5087 * configure: Regenerated.
5089 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5091 PR rtl-optimization/51505
5092 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5093 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5094 (df_note_bb_compute): Update the call to df_kill_notes.
5096 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5098 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5100 2012-01-18 Richard Guenther <rguenther@suse.de>
5102 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5103 of conversions to void *.
5105 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5106 Richard Sandiford <rdsandiford@googlemail.com>
5110 * optabs.h (simplify_expand_binop): Declare.
5111 * optabs.c (simplify_expand_binop): Make global.
5112 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5113 endian targets if the source cannot be exactly covered by word
5116 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5119 * hard-reg-set.h (struct hard_reg_set_container): New type.
5120 * target.h (struct hard_reg_set_container): Forward declare.
5121 * target.def (set_up_by_prologue): New target hook.
5122 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5123 * doc/tm.texi: Regenerated.
5124 * function.c (thread_prologue_and_epilogue_insns): Change
5125 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5126 Call targetm.set_up_by_prologue on it.
5127 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5128 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5130 2012-01-17 Nick Clifton <nickc@redhat.com>
5132 * config/rx/rx.c (rx_can_use_simple_return): New function.
5133 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5134 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5136 2012-01-17 Richard Guenther <rguenther@suse.de>
5139 * expr.c (expand_assignment): Take address-space information
5140 from the address operand of MEM_REF and TARGET_MEM_REF.
5141 (expand_expr_real_1): Likewise.
5143 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5145 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5146 reload dump is requested.
5148 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5151 * trans-mem.c (requires_barrier): Call may_be_aliased.
5153 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5155 PR tree-optimization/51877
5156 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5157 call arguments and fndecls compare equal, instead return false if they
5158 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5159 both SSA_NAMEs that are valueized the same, or they satisfy
5162 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5164 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5166 * configure: Regenerate.
5168 2012-01-16 Jan Hubicka <jh@suse.cz>
5172 * convert.c (convert_to_integer): Use fold_convert for
5173 converting an INTEGER_CST to integer type.
5175 2012-01-16 Jason Merrill <jason@redhat.com>
5178 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5180 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5183 * config/s390/s390.c (s390_chunkify_start): Don't skip
5184 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5185 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5186 If insn is followed by NOTE_INSN_VAR_LOCATION or
5187 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5188 Don't use location of note insns.
5190 PR tree-optimization/51865
5191 * tree-inline.c (tree_function_versioning): Call remap_decl
5192 on DECL_RESULT whenever it has VOID_TYPE_P type.
5194 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5196 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5197 for calls to locally-binding MIPS16 functions if only the return
5198 type uses float regs.
5200 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5201 Richard Sandiford <rdsandiford@googlemail.com>
5203 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5204 (SYMBOL_32_HIGH): Likewise.
5205 (mips_output_tls_reloc_directive): Declare.
5206 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5207 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5208 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5209 (mips_lo_relocs, mips_hi_relocs): Make extern.
5210 (mips16_stub_function): Move up file.
5211 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5212 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5213 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5214 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5215 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5216 (mips_get_tp): Add MIPS16 support.
5217 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5218 Generalize DTPREL and TPREL handling.
5219 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5220 Add MIPS16 TLS support.
5221 (mips_output_tls_reloc_directive): New function.
5222 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5223 * config/mips/predicates.md (symbolic_operand_with_high)
5224 (tls_reloc_operand): New predicates.
5225 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5226 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5227 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5228 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5229 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5230 (*tls_get_tp_mips16_call_<mode>): Likewise.
5232 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5234 PR rtl-optimization/51821
5235 * recog.c (peep2_find_free_register): Determine clobbered registers
5238 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5241 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5242 * config/avr/avr.c: Likewise.
5243 * config/avr/avr.h: Likewise.
5245 2012-01-13 Ian Lance Taylor <iant@google.com>
5248 * tree.h (TYPE_QUALS): Add cast to int.
5249 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5251 2012-01-13 Ian Lance Taylor <iant@google.com>
5253 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5254 comparing param_index to VEC_length result.
5256 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5258 * c-decl.c: Do not include tree-mudflap.h
5259 * tree-optimize.c: Likewise.
5260 * Makefile.in: Update dependencies.
5262 2012-01-13 Richard Guenther <rguenther@suse.de>
5265 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5266 variable-sized result always use RSO.
5268 2012-01-12 DJ Delorie <dj@redhat.com>
5270 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5271 pointer type, not just the default pointer type.
5273 2012-01-09 Richard Henderson <rth@redhat.com>
5274 Denis Chertykov <chertykov@gmail.com>
5277 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5278 * config/avr/avr.c (avr_can_eliminate): Simplify.
5279 (avr_initial_elimination_offset): Likewise.
5280 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5281 (expand_epilogue): Likewise.
5282 (avr_legitimize_address): Gut.
5283 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5284 (avr_hard_regno_nregs): New.
5285 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5286 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5287 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5288 add soft frame pointer.
5289 (CALL_USED_REGISTERS): Likewise.
5290 (REG_CLASS_CONTENTS): Likewise.
5291 (REGISTER_NAMES): Likewise.
5292 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5293 (HARD_FRAME_POINTER_REGNUM): New.
5294 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5295 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5296 remove the HARD_FRAME_POINTER self-elimination.
5298 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5301 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5302 DECL_EXTERNAL when checking for initializers of progmem variables.
5304 2012-01-12 Ira Rosen <irar@il.ibm.com>
5306 PR tree-optimization/51799
5307 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5308 that the last operation is a type demotion.
5310 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5312 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5313 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5315 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5318 * combine.c (distribute_notes): If i3 is a noreturn call,
5319 allow old_size to be equal to args_size and make sure the
5320 noreturn call gets REG_ARGS_SIZE note.
5321 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5322 on noreturn calls even when the delta is 0.
5324 2012-01-11 Nathan Sidwell <nathan@acm.org>
5326 * gcov.c (STRING_SIZE): Remove.
5327 (generate_results): Erase annotations for source files with no
5328 coverage information.
5330 (output_lines): Use it.
5332 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5334 * gimple.h (gimplify_body): Remove first argument.
5335 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5336 pointer set here, instead just pass DATA to walk_tree.
5337 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5338 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5339 (unvisit_body): Likewise, but with unmark_visited.
5340 (gimplify_body): Remove BODY_P argument and adjust.
5341 (gimplify_function_tree): Adjust call to gimplify_body.
5342 * omp-low.c (finalize_task_copyfn): Likewise.
5344 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5346 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5347 (build_function_type_skip_args): Delete.
5348 * tree.c (build_function_type_skip_args): Make static and add
5349 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5350 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5351 pass it to build_function_type_skip_args.
5352 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5353 (tree_function_versioning): Likewise.
5354 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5355 build_function_decl_skip_args.
5356 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5357 and pass it to build_function_decl_skip_args/tree_function_versioning.
5358 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5359 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5360 * trans-mem.c (ipa_tm_create_version): Likewise.
5361 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5362 * tree-inline.c (declare_return_variable): Remove always-true test.
5363 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5364 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5365 * ipa-split.c (split_function): Skip the return value for the split
5366 part if it doesn't return.
5368 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5370 PR tree-optimization/49642
5371 * ipa-split.c (forbidden_dominators): New variable.
5372 (check_forbidden_calls): New function.
5373 (dominated_by_forbidden): Likewise.
5374 (consider_split): Check for forbidden dominators.
5375 (execute_split_functions): Initialize and free forbidden
5376 dominators info; call check_forbidden_calls.
5378 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5380 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5382 2012-01-11 Nick Clifton <nickc@redhat.com>
5384 * config/rx/rx.md (return): Define pattern.
5386 2012-01-11 Richard Guenther <rguenther@suse.de>
5388 * doc/extend.texi (malloc attribute): Adjust according to
5391 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5392 Patrick Marlier <patrick.marlier@gmail.com>
5395 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5396 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5397 (ipa_tm_note_irrevocable): Same.
5398 (ipa_tm_scan_irr_block): Same.
5399 (ipa_tm_decrement_clone_counts): Same.
5400 (ipa_tm_scan_irr_function): Same.
5401 (ipa_tm_create_version_alias): Same.
5402 (ipa_tm_create_version): Same.
5403 (ipa_tm_transform_calls_redirect): Same.
5404 (ipa_tm_transform_calls): Same.
5405 (ipa_tm_transform_transaction): Same.
5406 (ipa_tm_execute): Same.
5408 2012-01-10 Richard Guenther <rguenther@suse.de>
5411 * opts.c (common_handle_option): Handle -Werror.
5413 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5415 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5418 2012-01-10 Jason Merrill <jason@redhat.com>
5420 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5423 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5425 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5426 supports R_386_TLS_GD_PLT reloc.
5427 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5428 supports R_386_TLS_LDM_PLT reloc.
5429 * configure: Regenerate.
5430 * config.in: Regenerate.
5432 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5435 Extend __pgmx semantics to linearize memory.
5436 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5437 determine if code comes inline or from libgcc.
5438 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5439 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5440 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5441 (movmemx_qi, movmemx_hi): New insns.
5442 (xload_<mode>_libgcc): Rewrite to new insn condition.
5443 (xload_<mode>): Remove insns.
5444 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5445 cases that don't satisfy avr_xload_libgcc_p().
5446 (avr_addr_space_convert): Allow converting in any direction.
5447 (avr_addr_space_subset_p): Return always true.
5448 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5449 (avr_emit_movmemhi): Ditto.
5450 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5451 (avr_out_movmem): Ditto.
5452 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5453 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5454 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5455 (avr_encode_section_info): Encode 'progmem' in symbol flags.
5456 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5458 2012-01-10 Richard Guenther <rguenther@suse.de>
5460 PR tree-optimization/50913
5461 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5462 Require data-refs to be representable by Graphite with respect
5465 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
5467 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5468 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5470 2012-01-10 Tom de Vries <tom@codesourcery.com>
5472 PR rtl-optimization/51271
5473 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5474 handling annulled branch.
5476 2012-01-10 Richard Henderson <rth@redhat.com>
5478 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5479 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5480 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5481 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5482 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5483 arm_expand_vec_perm_const): New.
5484 * config/arm/arm-protos.h: Update.
5485 * config/arm/neon.md (UNSPEC_VCONCAT): New.
5486 (*neon_vswp<VDQX>): New.
5487 (neon_vcombine<VDX>): Use neon_split_vcombine.
5488 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5489 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5490 (vec_perm<VE>): New.
5492 2012-01-10 Richard Henderson <rth@redhat.com>
5494 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5495 use it if reload_completed.
5496 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5497 arm_output_asm_insn, arm_process_output_memory_barrier,
5498 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5499 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5500 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5501 arm_process_output_sync_insn, arm_output_sync_insn,
5502 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5503 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5504 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5505 (emit_unlikely_jump): New.
5506 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5507 (arm_split_atomic_op): New.
5508 * config/arm/arm-protos.h: Update.
5509 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5510 (struct arm_sync_generator): Remove.
5511 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5512 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5513 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5514 (VUNSPEC_LL, VUNSPEC_SC): New.
5515 (sync_result, sync_memory, sync_required_value, sync_new_value,
5516 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5517 (attr length): Don't use arm_sync_loop_insns.
5518 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5519 (movsfcc, movdfcc): Likewise.
5520 * config/arm/constraints.md (Ua): New.
5521 * config/arm/prediates.md (mem_noofs_operand): New.
5522 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5523 (sync_clobber, sync_t2_reqd): Remove.
5524 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5525 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5526 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5527 (arm_sync_compare_and_swap<SIDI>): Remove.
5528 (arm_sync_compare_and_swap<NARROW>): Remove.
5529 (arm_sync_lock_test_and_set<SIDI>): Remove.
5530 (arm_sync_lock_test_and_set<NARROW>): Remove.
5531 (arm_sync_new_<syncop><SIDI>): Remove.
5532 (arm_sync_new_<syncop><NARROW>): Remove.
5533 (arm_sync_new_nand<SIDI>): Remove.
5534 (arm_sync_new_nand<NARROW>): Remove.
5535 (arm_sync_old_<syncop><SIDI>): Remove.
5536 (arm_sync_old_<syncop><NARROW>): Remove.
5537 (arm_sync_old_nand<SIDI>): Remove.
5538 (arm_sync_old_nand<NARROW>): Remove.
5539 (*memory_barrier): Merge arm_output_memory_barrier.
5540 (atomic_compare_and_swap<QHSD>): New.
5541 (atomic_compare_and_swap<NARROW>_1): New.
5542 (atomic_compare_and_swap<SIDI>_1): New.
5543 (atomic_exchange<QHSD>): New.
5544 (cas_cmp_operand, cas_cmp_str): New.
5545 (atomic_op_operand, atomic_op_str): New.
5546 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5547 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5548 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5549 (arm_load_exclusive<NARROW>): New.
5550 (arm_load_exclusivesi, arm_load_exclusivedi): New.
5551 (arm_store_exclusive<QHSD>): New.
5553 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5555 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5556 reload patterns if -mvsx-scalar-memory.
5558 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5559 generated, even -mno-vsx-scalar-double was used.
5560 (vsx_xscvdpsp_scalar): Likewise.
5561 (vsx_xscvspdp_scalar2): Likewise.
5563 2012-01-09 Tom de Vries <tom@codesourcery.com>
5564 Andrew Pinski <apinski@cavium.com>
5567 * reorg.c (fill_slots_from_thread): Don't speculate
5568 frame-related insns.
5570 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5572 * sched-int.h (bb_note): Move to...
5573 * basic-block.h: ...here.
5574 * haifa-sched.c (bb_note): Move to...
5575 * cfgrtl.c: ...here.
5576 * function.c (next_block_for_reg): New function.
5577 (move_insn_for_shrink_wrap): Likewise.
5578 (prepare_shrink_wrap): Rewrite to use the above.
5580 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5582 * gimple.c (is_gimple_non_addressable): Remove.
5583 * gimple.h: Remove is_gimple_non_addressable.
5584 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5585 is_gimple_non_addressable.
5586 * trans-mem.c (expand_assign_tm): Same.
5588 2012-01-09 Richard Guenther <rguenther@suse.de>
5590 PR tree-optimization/51775
5591 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5592 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5594 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5596 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5598 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5600 2012-01-09 Richard Guenther <rguenther@suse.de>
5602 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5604 2012-01-08 Jan Hubicka <jh@suse.cz>
5606 PR tree-optimize/51680
5607 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5608 on when known_vals needs to be computed; cleanup.
5610 2012-01-08 Jan Hubicka <jh@suse.cz>
5612 PR tree-optimize/51694
5613 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5615 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5617 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5618 for -std=c++98 and -std=c++11 too.
5620 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5622 * cfgloop.c (cancel_loop): Add free() of bbs array.
5624 2012-01-07 Jan Hubicka <jh@suse.cz>
5626 PR tree-optimization/51600
5627 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5628 that benefits small functions.
5630 2012-01-07 Jan Hubicka <jh@suse.cz>
5632 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5634 2012-01-07 Jan Hubicka <jh@suse.cz>
5636 PR tree-optimization/51680
5637 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5638 whose inlining reduce unit size.
5640 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5643 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5644 Add canonical node to containing_mem chain after the non-canonical
5645 one, even if there weren't any locs to propagate.
5646 (remove_useless_values): Keep only canonical values.
5647 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5648 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5649 canonicalize mem_chain elements that are not discarded.
5651 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5654 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5655 before emitting functions.
5657 PR gcov-profile/50127
5658 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5659 clear_aux_for_blocks.
5661 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5664 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5666 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5668 * c-decl.c (ext_block): Moved up.
5669 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5671 2012-01-06 Han Shen <shenhan@google.com>
5673 Translate built-in include paths for sysroot.
5674 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5675 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5677 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5678 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5680 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5681 control whether sysroot should be prepended to gxx include dir.
5683 * configure: Regenerate.
5685 2012-01-06 Torvald Riegel <triegel@redhat.com>
5687 PR rtl-optimization/51771
5688 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5689 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5691 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5693 PR tree-optimization/51315
5694 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5695 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5697 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5700 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5701 for shrp pattern. Correctly handle and fixup shift variable.
5702 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5704 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5707 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5708 note when !ACCUMULATE_OUTGOING_ARGS.
5710 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5712 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5714 (extract_range_from_unary_expr_1): Avoid useless computations.
5716 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5718 PR rtl-optimization/51767
5719 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5720 of jump_block and add an extra edge for degenerated asm gotos.
5723 * stmt.c (check_unique_operand_names): Don't ICE during error
5724 reporting if i is from labels chain.
5727 * profile.c (branch_prob): Split bbs that have exit edge
5728 and need a fake entry edge too.
5730 2012-01-05 Jan Hubicka <jh@suse.cz>
5733 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5736 2012-01-05 Richard Guenther <rguenther@suse.de>
5739 * tree-streamer-out.c (write_ts_optimization): New function.
5740 (streamer_write_tree_body): Call it.
5741 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5742 (streamer_read_tree_body): Call it.
5743 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5745 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5748 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5749 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5750 in_cleanup_point_expr before gimplify_stmt call and restore it
5752 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5753 in_cleanup_point_expr is false.
5755 2012-01-05 Richard Guenther <rguenther@suse.de>
5758 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5760 * toplev.c (process_options): Reject combining mudflap and LTO.
5761 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5763 2012-01-05 Richard Guenther <rguenther@suse.de>
5765 PR tree-optimization/51760
5766 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5768 (bit_value_unop): Handle UNDEFINED operands.
5769 (bit_value_binop): Likewise.
5771 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5773 * config/avr/avr.c (avr_replace_prefix): Remove.
5774 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5775 (avr_asm_function_rodata_section): Ditto.
5776 (avr_asm_select_section): Ditto.
5778 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5780 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5783 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5786 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5787 calls that have any non-fake successor edges.
5790 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5792 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5794 PR tree-optimization/51624
5795 * tree-sra.c (build_ref_for_model): When replicating a chain of
5796 COMPONENT_REFs, stop as soon as the offset would become negative.
5798 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5801 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5802 in .debug_loc on the floor.
5804 2012-01-04 Andrew Pinski <apinski@cavium.com>
5806 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5808 2012-01-04 Andrew Pinski <apinski@cavium.com>
5809 Adam Nemet <anemet@caviumnetworks.com>
5811 * config/mips/mips.md (size): Add SI and DI.
5812 (SIZE): New mode attribute.
5813 (U): New code attribute.
5814 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5815 (mips_lbux_<mode>): Delete.
5816 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5817 (mips_lhx): Use gen_mips_lhx_extsi.
5818 (mips_lhx_<mode>): Delete.
5820 (mips_l<size>x): New expand.
5821 (mips_lwx_<mode>): Delete.
5822 (mips_l<GPR:size>x_<P:mode>): New pattern.
5823 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5824 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5825 * config/mips/mips.c (mips_lx_address_p): New function.
5826 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5827 (dsp64): New availability predicate.
5828 (mips_builtins): Add an entry for __builtin_mips_ldx.
5829 * config/mips/mips.h (ISA_HAS_LBX): New define.
5830 (ISA_HAS_LBUX): Likewise.
5831 (ISA_HAS_LHX): Likewise.
5832 (ISA_HAS_LHUX): Likewise.
5833 (ISA_HAS_LWX): Likewise.
5834 (ISA_HAS_LWUX): Likewise.
5835 (ISA_HAS_LDX): Likewise.
5836 * doc/extend.texi (__builtin_mips_ldx): Document.
5838 2012-01-04 Tristan Gingold <gingold@adacore.com>
5840 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5841 when long pointers are used.
5842 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5843 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5844 (ia64-hp-*vms*): Remove.
5845 * config/vms/xm-vms64.h: Delete.
5847 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5850 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5852 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5854 * opts.c (finish_options): Remove duplicate sorry.
5856 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5859 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5862 2012-01-04 Richard Guenther <rguenther@suse.de>
5865 * tree.c (size_low_cst): New function.
5866 * tree.h (size_low_cst): Declare.
5867 * fold-const.c (fold_comparison): Use it to extract the low
5868 part of the POINTER_PLUS_EXPR offset.
5870 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5872 Fix clearing ZERO_REG
5873 * config/avr/avr.md (cc): Add alternative "ldi".
5874 (movqi_insn): Use it in cc attribute.
5875 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5876 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5877 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5879 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5881 * configure: Regenerate.
5883 2012-01-04 Richard Guenther <rguenther@suse.de>
5885 PR tree-optimization/49651
5886 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5887 (var_can_have_subvars): Use it.
5888 (get_constraint_for_1): Only consider subfields if there can be any.
5890 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5893 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5894 to its new canonical_cselib_val and the cselib_val was in
5895 first_containing_mem chain, but the canonical_cselib_val was not,
5896 add the latter into the chain.
5897 (cselib_invalidate_mem): Compare canonical_cselib_val of
5898 addr_list chain elt with v.
5901 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5902 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5904 (output_macinfo_op): Don't ggc_strdup fd->filename.
5905 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5906 then ggc_strdup it. Don't free inc->info or cur->info.
5907 (output_macinfo): Don't free ref->info or file->info.
5909 2012-01-03 Ira Rosen <irar@il.ibm.com>
5911 PR tree-optimization/51269
5912 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5913 first_niters a pointer.
5914 (slpeel_tree_peel_loop_to_edge): Likewise.
5915 (vect_do_peeling_for_loop_bound): Update call to
5916 slpeel_tree_peel_loop_to_edge.
5917 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5918 here. Remove it from the parameters list.
5919 (vect_do_peeling_for_alignment): Update calls and compute
5922 2012-01-03 Richard Guenther <rguenther@suse.de>
5924 PR tree-optimization/51070
5925 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5926 Properly handle calls.
5928 2012-01-03 Richard Guenther <rguenther@suse.de>
5930 PR tree-optimization/51692
5931 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5932 the LHS of allocation stmts.
5934 2012-01-03 Olivier Hainque <hainque@adacore.com>
5936 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5938 2012-01-03 Olivier Hainque <hainque@adacore.com>
5940 * collect2.c (main): In AIX specific computations for vector
5941 insertions, use CONST_CAST2 to cast from char ** to const char **.
5943 2012-01-03 Richard Guenther <rguenther@suse.de>
5946 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5947 the context of a limbo DIE when it does not already exist.
5949 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5951 PR tree-optimization/51719
5952 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5953 but direct call is, clear direct call's lhs and don't add fallthrough
5954 edge from dcall_bb to join_bb and PHIs.
5956 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5958 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5959 the instructions emitted by the pattern.
5960 ("*TDC_insn_<mode>"): Add comment.
5962 2012-01-03 Richard Guenther <rguenther@suse.de>
5965 * fold-const.c (fold_comparison): Properly canonicalize
5966 tree offset and HOST_WIDE_INT bit position.
5968 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5970 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5971 operands for extzv pattern.
5973 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5976 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5979 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5981 * doc/invoke.texi (-flto and related options): Copy-edit.
5983 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5985 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5987 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5989 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5992 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5994 * expr.h (move_by_pieces_ninsns): Declare.
5995 * expr.c (move_by_pieces_ninsns): Make external.
5996 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5997 (mips_store_by_pieces_p): Likewise.
5998 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5999 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6000 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6001 (mips_store_by_pieces_p): Likewise.
6003 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6005 * passes.c (register_one_dump_file): Free full_name.
6007 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6008 (calculate_elim_costs_all_insns): Free offsets_at and
6009 offsets_known_at at the end and clear the pointers.
6011 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6013 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6014 this option introduced in r180739.
6016 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6019 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6020 (tmake_file target=avr): Add avr/t-multilib.
6022 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6023 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6024 * config/avr/genmultilib.awk: New file.
6025 * config/avr/t-multilib: New auto-generated file.
6026 * config/avr/multilib.h: New auto-generated file.
6027 * config/avr/t-avr (AVR_MCUS): New variable.
6028 (genopt.sh): Use it.
6029 (s-mlib): Depend on t-multilib.
6030 (t-multilib, multilib.h): New dependencies.
6031 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6032 (MULTILIB_OPTIONS): Remove.
6033 (MULTILIB_MATCHES): Remove.
6034 (MULTILIB_DIRNAMES): Remove.
6035 (MULTILIB_EXCEPTIONS): Remove:
6036 * config/avr/genopt.sh: Don't use hard coded file name;
6037 pass AVR_MCUS from t-avr instead.
6039 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6041 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6043 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6045 Implement light-weight DImode support.
6046 * config/avr/avr-dimode.md: New file.
6047 * config/avr/avr.md: Include it.
6048 (adjust_len): Add plus64, compare64.
6049 (HIDI): Remove code iterator.
6050 (code_stdname): New code attribute.
6051 (rotx, rotsmode): Remove DI.
6052 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6054 * config/avr/avr-protos.h (avr_have_dimode): New.
6055 (avr_out_plus64, avr_out_compare64): New.
6056 * config/avr/avr.c (avr_out_compare): Handle DImode.
6057 (avr_have_dimode): New variable definition and initialization.
6058 (avr_out_compare64, avr_out_plus64): New functions.
6059 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6060 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6061 (avr_compare_pattern): Skip DImode comparisons.
6063 2012-01-02 Revital Eres <revital.eres@linaro.org>
6065 * ddg.c (def_has_ccmode_p): New function.
6066 (add_cross_iteration_register_deps,
6067 create_ddg_dep_from_intra_loop_link): Call it.
6069 2012-01-02 Richard Guenther <rguenther@suse.de>
6072 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6074 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6076 * gcc.c (process_command): Update copyright notice dates.
6077 * gcov.c (print_version): Likewise.
6078 * gcov-dump.c (print_version): Likewise.
6079 * mips-tfile.c (main): Likewise.
6080 * mips-tdump.c (main): Likewise.
6082 2012-01-01 Ira Rosen <irar@il.ibm.com>
6084 PR tree-optimization/51704
6085 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6086 a use is inside the basic block or loop before accessing its vect info.
6088 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6090 PR rtl-optimization/51069
6091 * cfgloopmanip.c (remove_path): Removing path making irreducible
6092 region unconditional makes BB part of the region.
6094 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6096 PR tree-optimization/51683
6097 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6098 calls with side-effects.
6099 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6101 Copyright (C) 2012 Free Software Foundation, Inc.
6103 Copying and distribution of this file, with or without modification,
6104 are permitted in any medium without royalty provided the copyright
6105 notice and this notice are preserved.