1 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
3 Backported from mainline
4 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
7 * doc/invoke.texi: Document -mprefer-avx128.
9 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
11 Backported from mainline
12 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
15 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
16 (XSTATE_FP): Likewise.
17 (XSTATE_SSE): Likewise.
18 (XSTATE_YMM): Likewise.
19 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
20 SSE and YMM states aren't supported.
22 2012-10-01 Tom de Vries <tom@codesourcery.com>
24 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
27 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
30 * config/s390/s390.c (s390_option_override): Add missing break.
32 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
34 Backport from mainline
35 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
37 * config.gcc: Replace 'host' with 'target' when configuring for
40 2012-09-28 Meador Inge <meadori@codesourcery.com>
42 Backport from mainline
43 2012-09-27 Meador Inge <meadori@codesourcery.com>
45 * gcc-ar.c (main): Handle the returning of the sub-process error
48 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
50 Backport from 2012-09-28 trunk r191821.
51 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
53 2012-09-27 Jakub Jelinek <jakub@redhat.com>
56 * simplify-rtx.c (simplify_binary_operation_1): Perform
57 (x - (x & y)) -> (x & ~y) optimization only for integral
60 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
62 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
63 TYPE_NONALIASED_COMPONENT flag.
64 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
65 TYPE_NONALIASED_COMPONENT flag.
67 2012-09-21 Richard Guenther <rguenther@suse.de>
70 Backport from mainline
71 2012-04-19 Richard Guenther <rguenther@suse.de>
73 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
76 2012-09-20 Joseph Myers <joseph@codesourcery.com>
79 * c-typeck.c (c_cast_expr): When casting to a type requiring
80 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
83 2012-09-20 Joseph Myers <joseph@codesourcery.com>
86 * c-typeck.c (build_unary_op): Pass original argument of
87 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
88 any C_MAYBE_CONST_EXPR, if it has integer operands.
89 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
90 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
91 to c_objc_common_truthvalue_conversion, then remove any
92 C_MAYBE_CONST_EXPR, if they have integer operands. Use
93 c_objc_common_truthvalue_conversion not
94 c_common_truthvalue_conversion.
95 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
96 call note_integer_operands for arguments with integer operands
97 that are not integer constants.
99 2012-09-20 Jakub Jelinek <jakub@redhat.com>
101 Backported from mainline
102 2012-09-17 Jakub Jelinek <jakub@redhat.com>
104 PR tree-optimization/54563
105 * tree-ssa-math-opts.c (execute_cse_sincos): Call
106 gimple_purge_dead_eh_edges if last call has been changed.
108 2012-09-14 Jakub Jelinek <jakub@redhat.com>
111 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
112 instead of (match_dup 0) as second argument to vec_merge.
113 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
114 Remove third alternative.
115 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
116 operand 2 instead of operand 1, but put it as first argument
118 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
119 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
122 2012-09-20 Jakub Jelinek <jakub@redhat.com>
124 * BASE-VER: Set to 4.7.3.
125 * DEV-PHASE: Set to prerelease.
127 2012-09-20 Release Manager
129 * GCC 4.7.2 released.
131 2012-09-15 Andi Kleen <ak@linux.intel.com>
133 Backport from mainline
134 2012-09-07 Andi Kleen <ak@linux.intel.com>
136 * gcc/lto-streamer.h (res_pair): Add.
137 (lto_file_decl_data): Replace resolutions with respairs.
139 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
141 (lto_file_finalize): Set up resolutions vector lazily from respairs.
143 2012-09-14 Walter Lee <walt@tilera.com>
145 Backport from mainline.
146 2012-09-14 Walter Lee <walt@tilera.com>
148 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
149 option for TILEPro and TILE-Gx.
151 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
153 * config/i386/i386.h (x86_prefetchw): New global variable.
154 (TARGET_PREFETCHW): New macro.
155 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
156 (processor_alias_table): Add PTA_PREFETCHW to
157 bdver1, bdver2 and btver1.
158 (ix86_option_override_internal): Set x86_prefetchw for
159 PTA_PREFETCHW targets.
160 * config/i386/i386.md (prefetch): Expand to prefetchw
161 for TARGET_PREFETCHW.
162 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
164 Backport from mainline
165 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
167 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
168 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
170 (*prefetch_sse): ... this.
171 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
173 (*prefetch_3dnow): ... this.
175 2012-09-13 Jakub Jelinek <jakub@redhat.com>
178 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
179 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
181 2012-09-12 Teresa Johnson <tejohnson@google.com>
183 Backport from mainline.
184 2012-09-12 Teresa Johnson <tejohnson@google.com>
186 PR gcov-profile/54487
187 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
188 test using F_SETLKW with fcntl.
189 * configure, config.in: Regenerate.
191 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
193 Backport from mainline
194 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
196 * config/i386/i386.md : Comments on fma4 instruction selection
197 reflect requirement on register pressure based cost model.
199 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
200 flag is set-reset as informed by the cpuid flag.
202 * config/i386/i386.c (processor_alias_table): fma4
203 flag is enabled for bdver2.
205 2012-09-12 Christian Bruel <christian.bruel@st.com>
207 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
209 2012-09-12 Jakub Jelinek <jakub@redhat.com>
211 * config.gcc: Obsolete picochip-*.
213 2012-09-11 Richard Guenther <rguenther@suse.de>
216 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
217 on flag_toplevel_reorder.
219 2012-09-10 Richard Henderson <rth@redhat.com>
221 * config/alpha/predicates.md (small_symbolic_operand): Disallow
224 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
226 Backport from 2012-09-10 mainline r191132.
229 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
231 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
234 * tree-sra.c (disqualify_base_of_expr): Check for possible
235 NULL_TREE returned by get_base_address()
237 2012-09-07 Richard Guenther <rguenther@suse.de>
239 Backport from mainline
240 2012-06-26 Jan Hubicka <jh@suse.cz>
243 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
246 2012-09-07 Richard Guenther <rguenther@suse.de>
248 Backport from mainline
249 2012-07-13 Richard Guenther <rguenther@suse.de>
251 PR tree-optimization/53922
252 * tree-vrp.c (value_inside_range): Change prototype to take
253 min/max instead of value-range.
254 (range_includes_zero_p): Likewise. Return the result from
256 (extract_range_from_binary_expr_1): Adjust to handle dont-know
257 return value from range_includes_zero_p.
258 (extract_range_from_unary_expr_1): Likewise.
259 (compare_range_with_value): Likewise.
260 (vrp_meet_1): Likewise.
262 2012-09-07 Richard Guenther <rguenther@suse.de>
265 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
266 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
267 arguments separately.
269 2012-09-07 Jakub Jelinek <jakub@redhat.com>
271 Backported from mainline
272 2012-09-06 Jakub Jelinek <jakub@redhat.com>
274 PR rtl-optimization/54455
275 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
276 bb ends up with asm goto referencing bb's label.
278 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
280 Backport from mainline.
281 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
282 Richard Earnshaw <richard.earnshaw@arm.com>
285 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
286 element size. Use elem_type from the formal parameter. New parameter
288 (neon_expand_args): Adjust call to neon_dereference_pointer.
290 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
292 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
293 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
295 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
297 Backport from mainline
298 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
300 * config/i386/i386.md (isa): Add fma and fma4.
301 (enabled): Handle fma and fma4.
302 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
303 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
304 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
305 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
306 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
307 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
309 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
311 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
312 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
313 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
315 2012-09-06 Richard Guenther <rguenther@suse.de>
317 PR tree-optimization/54498
318 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
319 abort when reaching an already visited region.
320 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
321 (get_continuation_for_phi_1): Likewise.
322 (walk_non_aliased_vuses): When we translated the reference,
323 abort when we re-visit a region.
324 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
326 2012-09-06 Andrew Pinski <apinski@cavium.com>
329 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
331 2012-09-05 Jakub Jelinek <jakub@redhat.com>
334 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
335 build_int_cst with size_type_node instead of size_int.
337 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
339 Backport from 2012-09-05 mainline r190697.
342 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
343 configured --with-avrlibc.
344 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
346 * config/avr/avrlibc.h: New file.
347 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
348 configured --with-avrlibc.
349 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
351 2012-09-05 Bin Cheng <bin.cheng@arm.com>
353 Backport from 2012-09-04 mainline r190919
356 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
357 of size less than 4 bytes by using macro ARM_NUM_INTS.
358 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
360 2012-09-04 Richard Henderson <rth@redhat.com>
362 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
364 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
366 Backport from 2012-09-04 mainline r190920
369 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
371 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
373 Backport from 2012-09-04 mainline r190914
376 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
378 (avr_allocate_stack_slots_for_args): ...this new static function.
380 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
382 Backported from mainline
383 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
386 * doc/invoke.texi: Add -da and remove -dm.
388 2012-09-03 Jakub Jelinek <jakub@redhat.com>
390 Backported from mainline
391 2012-09-01 Jakub Jelinek <jakub@redhat.com>
394 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
395 operands[1] is CONST_INT_P, convert it to QImode before printing.
397 2012-08-31 Jakub Jelinek <jakub@redhat.com>
400 * c-convert.c (convert): Don't call fold_convert_loc if
401 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
402 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
403 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
405 2012-08-24 Jakub Jelinek <jakub@redhat.com>
408 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
409 if init is a CONSTRUCTOR.
411 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
413 PR rtl-optimization/54369
414 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
415 calling dbr_schedule.
416 * config/sparc/sparc.c (sparc_reorg): Likewise.
418 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
420 Backport from mainline
421 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
423 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
424 case for Atom processor.
426 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
428 Backport from mainline
429 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
432 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
433 true for TARGET_64BIT or !flag_pic.
434 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
435 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
436 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
437 Add insn constraint. Conditionally emit xchg asm insns.
438 (atomic_compare_and_swap<mode>): Update calls. Check only
439 cmpxchg8b_pic_memory_operand in memory address fixup.
441 (CASHMODE): Rename from DCASHMODE.
442 (doublemodesuffix): Update modes.
443 (regprefix): New mode attribute.
445 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
446 <UNSPECV_CMPXCHG>: New constant.
447 (atomic_compare_and_swap<mode>_1): Rename from
448 atomic_compare_and_swap_single<mode>. Update calls and
449 unspec_volatile constants.
450 (atomic_compare_and_swap<mode>_doubleword): Rename from
451 atomic_compare_and_swap_double<mode>. Update calls and
452 unspec_volatile constants.
454 2012-08-28 Walter Lee <walt@tilera.com>
456 Backport from mainline
457 2012-08-28 Walter Lee <walt@tilera.com>
459 * confg/tilegx/tilegx.md: Fix code style.
460 (*zero_extendsidi_truncdisi): Fix typo.
461 * config/tilegx/tilegx.c: Fix code style.
462 (tilegx_function_profiler): Fix typo.
464 2012-08-27 Walter Lee <walt@tilera.com>
466 Backport from mainline
467 2012-08-27 Walter Lee <walt@tilera.com>
469 * doc/md.texi (TILE-Gx): Fix typo.
471 2012-08-27 Walter Lee <walt@tilera.com>
473 Backport from mainline
474 2012-08-27 Walter Lee <walt@tilera.com>
476 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
477 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
479 2012-08-27 Walter Lee <walt@tilera.com>
481 Backport from mainline
482 2012-08-27 Walter Lee <walt@tilera.com>
484 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
485 (insn_bfins): Delete.
487 2012-08-27 Walter Lee <walt@tilera.com>
489 Backport from mainline
490 2012-08-27 Walter Lee <walt@tilera.com>
492 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
493 atomic_exchange_bare<mode>,
494 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
495 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
496 * config/tilegx/tilegx.md (type): Add X1_remove.
497 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
498 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
499 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
502 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
504 PR rtl-optimization/54088
505 * jump.c (delete_related_insns): Robustify latest change.
507 2012-08-21 Richard Guenther <rguenther@suse.de>
509 Backport from mainline
510 2012-08-16 Richard Guenther <rguenther@suse.de>
513 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
515 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
516 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
517 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
518 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
519 (tree_ssa_lim_finalize): Free all mem_refs.
520 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
521 scc when bailing out.
522 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
523 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
524 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
527 2012-08-17 Richard Guenther <rguenther@suse.de>
529 * tree-sra.c (modify_function): Free redirect_callers vector.
530 * ipa-split.c (split_function): Free args_to_pass vector.
531 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
533 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
534 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
535 (vect_analyze_slp_instance): Free everything.
536 (destroy_bb_vec_info): Free the SLP instances.
538 2012-08-17 Richard Guenther <rguenther@suse.de>
540 * params.def (integer-share-limit): Decrease from 256 to 251,
543 2012-08-21 Richard Guenther <rguenther@suse.de>
545 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
546 the affine expansion cache.
548 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
550 Backported from trunk
551 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
554 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
556 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
558 Backport from mainline.
559 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
562 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
563 mark as predicable. Adjust asm template.
564 (vec_setv2di_internal): Likewise.
565 (vec_extract<mode> VD, VQ): Likewise.
566 (vec_extractv2di): Likewise.
567 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
568 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
569 (neon_vdup_n<mode> VX, V32): Likewise.
570 (neon_vdup_nv2di): Likewise.
572 2012-08-17 Walter Lee <walt@tilera.com>
574 Backport from mainline
575 2012-08-17 Walter Lee <walt@tilera.com>
577 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
578 (FEEDBACK_ENTER): Define.
579 (FEEDBACK_REENTER): Define.
580 (FEEDBACK_ENTRY): Define.
581 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
582 (FEEDBACK_ENTER): Define.
583 (FEEDBACK_REENTER): Define.
584 (FEEDBACK_ENTRY): Define.
586 2012-08-16 Walter Lee <walt@tilera.com>
588 Backport from mainline
589 2012-08-16 Walter Lee <walt@tilera.com>
591 * config.gcc (tilegx-*-linux*): Add feedback.h.
592 (tilepro-*-linux*): Likewise.
593 * config/tilegx/feedback.h: New file.
594 * config/tilepro/feedback.h: New file.
596 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
598 Backport from mainline r189840 and r187586:
599 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
601 * config/i386/i386.md (stack_protect_set): Disable the pattern
602 for Android since Android libc (bionic) does not provide random
603 value for stack protection guard at gs:0x14. Guard value
604 will be provided from external symbol (default implementation).
605 (stack_protect_set_<mode>): Likewise.
606 (stack_protect_test): Likewise.
607 (stack_protect_test_<mode>): Likewise.
608 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
609 not have Bionic by default
610 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
611 Macro OPTION_BIONIC is defined in this file and provides Bionic
614 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
616 * configure.ac: Stack protector enabling for Android targets.
617 * configure: Regenerate.
619 2012-08-13 Jakub Jelinek <jakub@redhat.com>
621 Backported from trunk
622 2012-07-19 Jakub Jelinek <jakub@redhat.com>
624 PR rtl-optimization/53942
625 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
626 directly from likely spilled non-fixed hard registers, move them
629 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
631 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
632 (xop_phaddubq): Ditto.
634 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
636 Backport from mainline
637 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
638 Richard Earnshaw <rearnsha@arm.com>
640 * target.def (vector_alignment): New target hook.
641 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
642 * doc/tm.texi: Regenerate.
643 * targhooks.c (default_vector_alignment): New function.
644 * targhooks.h (default_vector_alignment): Add prototype.
645 * stor-layout.c (layout_type): Use targetm.vector_alignment.
646 * config/arm/arm.c (arm_vector_alignment): New function.
647 (TARGET_VECTOR_ALIGNMENT): Define.
649 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
650 vector type alignment instead of size.
651 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
652 element type size directly instead of computing it from alignment.
653 Fix variable naming and comment.
655 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
657 Backport from mainline
658 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
660 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
661 (alpha_pad_function_end): ... this. Also insert NOP between
662 sibling call and GP load.
663 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
665 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
667 Backport from mainline
668 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
669 H.J. Lu <hongjiu.lu@intel.com>
671 PR rtl-optimization/54157
672 * combine.c (gen_lowpart_for_combine): Don't return identity
673 for CONST or symbolic reference.
675 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
677 Backport from mainline
678 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
680 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
681 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
682 split_cost argument signed.
683 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
684 (ix86_avoid_lea_for_addr): Ditto.
686 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
688 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
689 the address has less than two components.
691 2012-08-02 Steve Ellcey <sellcey@mips.com>
693 Backport from mainline
694 2012-07-19 Steve Ellcey <sellcey@mips.com>
696 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
699 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
701 Backport from mainline
702 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
705 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
706 negative constant address for TARGET_X32 ...
707 (ix86_decompose_address): ... here. Reject constant addresses
708 that don't satisfy x86_64_immediate_operand predicate.
710 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
713 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
714 * config/i386/i386.c (ix86_print_operand_address): Ditto.
715 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
716 addresses. Prevent zero extensions of CONST_INT operands.
718 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
721 * config/i386/i386.md (*lea): New insn pattern.
723 (*lea<mode>_2): Ditto.
724 (*lea_{3,4,5,6}_zext): Ditto.
725 * config/i386/predicates.md (lea_address_operand): Do not reject
726 zero-extended address operands.
727 * config/i386/constraints.md (j): Remove address constraint.
728 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
730 (ix86_print_operand_address): Handle SImode subreg of an address.
731 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
733 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
735 Backport from mainline
736 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
739 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
740 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
742 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
743 (*movdi_internal_rex64): Use %E operand modifier for lea.
744 (*movsi_internal): Ditto.
746 (*lea<mode>_2): Ditto.
747 (*lea_{3,4,5,6}_zext): Ditto.
748 (*tls_global_dynamic_32_gnu): Ditto.
749 (*tls_global_dynamic_64): Ditto.
750 (*tls_dynamic_gnu2_lea_32): Ditto.
751 (*tls_dynamic_gnu2_lea_64): Ditto.
752 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
754 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
756 Backport from mainline
757 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
759 * config/i386/i386.c (ix86_address_subreg_operand): Reject
761 (ix86_print_operand_address): Assert that parts.base and parts.index
762 are non-NULL after call to simplify_subreg.
764 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
767 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
769 * config/sh/sh.c (sh_option_override): Do not change
770 flag_finite_math_only. Set TARGET_IEEE to complement of
771 flag_finite_math_only.
772 * doc/invoke.texi (SH options): Add mno-ieee. Correct
773 description of mieee and mno-ieee behavior.
775 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
778 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
781 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
783 Backport from mainline
784 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
786 PR rtl-optimization/52250
787 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
788 to put note list into. Unconditionally call move_bb_info.
789 (move_bb_info): Do not assert the blocks being in the same region,
790 just drop the note list if they are not.
792 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
794 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
796 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
798 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
799 defining statement is a SSA name that occurs in abnormal PHIs.
801 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
803 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
806 2012-07-19 Richard Guenther <rguenther@suse.de>
807 Eric Botcazou <ebotcazou@adacore.com>
809 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
810 about transition from invariant to known bits.
811 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
813 2012-07-19 Jakub Jelinek <jakub@redhat.com>
816 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
817 (cleanup_tree_cfg_bb): Don't call it.
818 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
821 2012-07-19 Christian Bruel <christian.bruel@st.com>
824 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
826 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
828 * config.gcc (v850-*-rtems*): New target.
829 * config/v850/rtems.h: New.
830 * config/v850/t-rtems: New.
832 2012-07-18 Nick Clifton <nickc@redhat.com>
834 * doc/invoke.texi (ARM Options): Document -munaligned-access.
836 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
840 Backport from mainline
841 2012-04-25 Jakub Jelinek <jakub@redhat.com>
844 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
845 instead expand it as zero extension.
847 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
849 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
850 QImode and HImode splitters. Use ix86_comparison_operator.
851 Explicitly match FLAGS_REG.
852 (DFmode cmove splitter): Explicitly match FLAGS_REG.
854 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
855 Steven Bosscher <steven@gcc.gnu.org>
856 Bernd Schmidt <bernds@codesourcery.com>
858 PR rtl-optimization/53908
859 * df-problems.c (can_move_insns_across): When doing
860 memory-reference book-keeping, handle call insns.
862 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
864 Backport from mainline
865 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
868 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
869 sibcall_insn_operand. Move it to a temporary register if not.
871 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
874 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
875 emit PIC sequence for fnaddr symbol reference in advance.
877 2012-07-09 Jason Merrill <jason@redhat.com>
880 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
881 (type_hash_eq): Likewise.
884 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
886 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
888 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
889 due to negative shift amount.
891 2012-07-06 Kai Tietz <ktietz@redhat.com>
893 Backport from mainline.
895 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
898 2012-07-06 Nick Clifton <nickc@redhat.com>
900 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
901 default_encode_section_info.
903 2012-07-06 Richard Guenther <rguenther@suse.de>
905 Backport from mainline
906 2012-03-30 Richard Guenther <rguenther@suse.de>
909 * double-int.c (rshift_double): Remove not needed cast.
911 2012-03-28 Richard Guenther <rguenther@suse.de>
914 * double-int.h (rshift_double): Remove.
915 * double-int.c (lshift_double): Use absu_hwi to make count
917 (rshift_double): Make static, take unsigned count argument,
918 remove handling of negative count argument.
919 (double_int_rshift): Dispatch to lshift_double.
921 2012-07-06 Richard Guenther <rguenther@suse.de>
923 Backport from mainline
924 2012-06-18 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/53693
927 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
928 Reject operands with more than one use.
930 2012-07-06 Richard Guenther <rguenther@suse.de>
932 Backport from mainline
933 2012-04-11 Richard Guenther <rguenther@suse.de>
936 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
937 consider loop nesting.
938 (evolution_function_is_univariate_p): Properly check the remainder
941 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
943 Backport from mainline
944 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
946 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
947 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
948 (adjacent_mem_locations): Move some code to and call...
949 (get_memref_parts): ...new function.
950 (mem_locations_overlap): New function.
951 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
952 (is_mem_ref): Rename to...
953 (find_mem_ref): ...this. Return MEM rtx.
954 (get_store_dest): Remove function.
955 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
956 new parameter and adjust calls.
957 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
958 mem refs overlap for true_store_to_load_dep_costly.
959 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
960 passed to adjacent_mem_locations.
961 (is_costly_group): Walk resolved dependency list.
962 (force_new_group): Emit group ending nop for Power6/Power7.
963 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
964 (group_ending_nop): New define_insn.
966 2012-07-04 Richard Guenther <rguenther@suse.de>
969 * gimple-fold.c (get_base_constructor): Do not return an
970 error_mark_node DECL_INITIAL.
972 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
974 Backport from mainline
975 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
977 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
978 code model string in the error message.
980 2012-07-04 Tristan Gingold <gingold@adacore.com>
982 Backport from mainline.
983 2012-06-25 Tristan Gingold <gingold@adacore.com>
985 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
986 (seh_cfa_adjust_cfa): ... that function.
987 (seh_emit_stackalloc): Do not emit out of range values.
988 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
989 UNSPEC_DEF_CFA constants.
990 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
991 * config/i386/i386.c (ix86_frame_pointer_required): Required
992 for very large frames on SEH target.
993 (ix86_compute_frame_layout): Save area is before frame pointer
994 on SEH target. Handle very large frames.
995 (ix86_expand_prologue): Likewise.
997 2012-07-04 Richard Guenther <rguenther@suse.de>
999 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1000 as in free_lang_data_in_type.
1002 2012-07-02 Martin Jambor <mjambor@suse.cz>
1004 Backport from mainline.
1005 2012-07-02 Martin Jambor <mjambor@suse.cz>
1008 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1009 dynamic type change check.
1011 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
1013 * tree-eh.c (lower_try_finally_switch): Really put the location of the
1014 last statement of the finally block onto the switch.
1016 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1018 * configure: Regenerate.
1020 Backport from mainline.
1021 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1023 * config.gcc (target_type_format_char): New. Document it. Set it for
1025 * configure.ac (gnu_unique_option): Use target_type_format_char
1026 in test. Comment rationale.
1028 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1030 Backport from mainline.
1031 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1033 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1035 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
1037 Backport from 2012-06-28 mainline r189049
1040 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1041 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1042 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1043 avr_hard_regno_call_part_clobbered.
1045 2012-06-28 Richard Guenther <rguenther@suse.de>
1048 * expr.c (expand_expr_real_1): Verify if the type is complete
1049 before inspecting its size.
1051 2012-06-27 Nick Clifton <nickc@redhat.com>
1053 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1056 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
1059 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1061 2012-06-26 Nick Clifton <nickc@redhat.com>
1063 * config/rx/rx.md (simple_return): Use the simple_return rtx.
1065 2012-06-25 Jakub Jelinek <jakub@redhat.com>
1068 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1069 of x x x in the vmovlps load alternative.
1071 2012-06-22 Richard Guenther <rguenther@suse.de>
1073 * gcov-iov.c: Include bconfig.h and system.h.
1075 2012-06-22 Richard Guenther <rguenther@suse.de>
1077 PR gcov-profile/53744
1078 * gcov-iov.c (main): Treat "" and "prerelease" the same.
1080 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
1082 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1083 DECL_IGNORED_P non-reg vars even if they are used.
1085 2012-06-19 Jason Merrill <jason@redhat.com>
1088 * dwarf2out.c (modified_type_die): Use scope_die_for.
1089 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1090 (uses_local_type_r, uses_local_type): New.
1091 (scope_die_for): Keep a type that uses a local type in local scope.
1092 Use get_context_die for namespace and type scope.
1094 2012-06-19 Richard Guenther <rguenther@suse.de>
1097 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1098 replace it with the first non-BLOCK context.
1100 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
1102 PR rtl-optimization/53700
1104 Backport from mainline
1105 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
1107 * ira-color.c (setup_left_conflict_sizes_p): Process all
1108 conflicting objects.
1110 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1112 Backport from mainline
1113 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1116 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1117 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1118 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1119 instead of xop_mulv2div2di3_low.
1120 (xop_p<macs>dql): Fix vec_select selector.
1121 (xop_p<macs>dqh): Ditto.
1122 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1123 (xop_mulv2div2di3_high): Ditto.
1125 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1127 Backport from mainline:
1128 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1130 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1132 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1134 Backport from mainline:
1135 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1137 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1138 * config/pa/pa.c (pa_attr_length_millicode_call): Use
1139 MAX_PCREL17F_OFFSET instead of fixed offset.
1140 (pa_attr_length_call): Likewise.
1141 (pa_attr_length_indirect_call): Likewise.
1143 2012-06-15 Walter Lee <walt@tilera.com>
1145 Backport from mainline:
1146 2012-06-15 Walter Lee <walt@tilera.com>
1148 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1150 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
1152 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1154 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
1156 Backport from mainline:
1158 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1159 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1160 * gimple.h (block_in_transaction): Check for flag_tm.
1162 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
1164 PR tree-optimization/52558
1166 Backport from mainline:
1167 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
1168 * gimple.h (gimple_set_in_transaction): Remove.
1169 (gimple_in_transaction): Look in BB instead.
1170 (gimple_statement_base): Remove in_transaction field.
1171 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1172 * trans-mem.c (compute_transaction_bits): Place transaction bit
1173 information into basic blocks.
1175 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1177 PR tree-optimization/52558
1178 * cfg.c (alloc_aux_for_edge): Fix comment.
1179 (alloc_aux_for_edge): Remove static.
1180 * basic-block.h (alloc_aux_for_edge): Protoize.
1181 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1182 (execute_sm_if_changed_flag): New.
1183 (execute_sm_if_changed_flag_set): New.
1184 (execute_sm): Do not generate data races unless requested.
1185 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1186 (tree_ssa_lim_finalize): Call free_aux_for_edges.
1187 * gimple.h (block_in_transaction): New.
1188 (gimple_in_transaction): Use block_in_transaction.
1190 2012-06-14 Jakub Jelinek <jakub@redhat.com>
1192 Backported from mainline
1193 2012-06-12 Jakub Jelinek <jakub@redhat.com>
1195 PR rtl-optimization/53589
1196 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1197 discovery even when e->dest != target. If any LABEL_REF points
1198 to e->dest label, redirect it to target's label.
1200 2012-06-07 Jakub Jelinek <jakub@redhat.com>
1203 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1204 returns false, replace stmt with GIMPLE_NOP.
1205 (check_omp_nesting_restrictions): Instead of issuing warnings,
1206 issue errors and return false if any errors were reported.
1208 2012-06-14 Richard Guenther <rguenther@suse.de>
1210 * BASE-VER: Set to 4.7.2.
1211 * DEV-PHASE: Set to prerelease.
1213 2012-06-12 Christian Bruel <christian.bruel@st.com>
1216 * config/sh/sh.c (sh_option_override): Don't force
1217 flag_omit_frame_pointer and maccumulate_outgoing_args.
1218 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1220 2012-06-14 Release Manager
1222 * GCC 4.7.1 released.
1224 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
1226 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1228 2012-06-13 Richard Henderson <rth@redhat.com>
1230 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1231 iterator instead of INT.
1233 2012-06-08 Richard Henderson <rth@redhat.com>
1236 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1237 note to a clobber insn when no other insn is available.
1239 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1242 * doc/invoke.texi (Wenum-compare): Update documentation.
1244 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1247 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1249 (altivec_stvlxl): Ditto.
1250 (altivec_stvrx): Ditto.
1251 (altivec_stvrxl): Ditto.
1253 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1256 * trans-mem.c (expand_block_edges): Do not skip the first
1257 statement when resetting the BB.
1259 2012-06-04 Richard Guenther <rguenther@suse.de>
1262 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1263 create new assembler names.
1265 2012-06-04 Richard Guenther <rguenther@suse.de>
1267 Backport from mainline
1268 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1271 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1272 larger than maxbits. Don't compute maxbits modulo align.
1273 Also check that unit bytes long store at bitpos / unit * unit
1274 doesn't affect bits beyond bitregion_end.
1275 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1276 would not fit into bitregion_start ... bitregion_end + 1 bit
1278 (store_split_bit_field): Decrease unit close to end of bitregion_end
1279 if access is restricted in order to avoid mutual recursion.
1281 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1283 Backport from 2012-06-04 mainline r188172
1286 * config/avr/avr-stdint.h: New file.
1287 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1290 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1292 PR tree-optimization/53550
1293 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1294 is POINTER_TYPE_P, use sizetype as step type instead of type.
1296 2012-06-04 Richard Guenther <rguenther@suse.de>
1297 Eric Botcazou <ebotcazou@adacore.com>
1299 Backport from mainline
1300 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1302 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1303 Change type of BITOFFSET to signed. Make sure the lower bound of
1304 the computed range is non-negative by adjusting OFFSET and BITPOS.
1305 (expand_assignment): Adjust call to get_bit_range.
1307 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1309 * expr.c (get_bit_range): Return the null range if the enclosing record
1310 is part of a larger bit field.
1312 2012-03-20 Richard Guenther <rguenther@suse.de>
1314 * stor-layout.c (finish_bitfield_representative): Fallback
1315 to conservative maximum size if the padding up to the next
1316 field cannot be computed as a constant.
1317 (finish_bitfield_layout): If we cannot compute the distance
1318 between the start of the bitfield representative and the
1319 bitfield member start a new representative.
1320 * expr.c (get_bit_range): The distance between the start of
1321 the bitfield representative and the bitfield member is zero
1322 if the field offsets are not constants.
1324 2012-03-16 Richard Guenther <rguenther@suse.de>
1326 * stor-layout.c (finish_bitfield_representative): Fall back
1327 to the conservative maximum size if we cannot compute the
1328 size of the tail padding.
1330 2012-03-14 Richard Guenther <rguenther@suse.de>
1332 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1333 * stor-layout.c (start_bitfield_representative): New function.
1334 (finish_bitfield_representative): Likewise.
1335 (finish_bitfield_layout): Likewise.
1336 (finish_record_layout): Call finish_bitfield_layout.
1337 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1338 for QUAL_UNION_TYPE fields.
1339 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1340 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1341 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1346 * expr.c (get_bit_range): Unconditionally extract bitrange
1347 from DECL_BIT_FIELD_REPRESENTATIVE.
1348 (expand_assignment): Adjust call to get_bit_range.
1350 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1353 * fold-const.c (fold_binary_loc): Refine previous change.
1355 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1357 Backport from mainline
1358 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1361 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1362 avoid going above orig insn. Update comments.
1364 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1366 Backport from mainline
1367 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1370 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1371 prologue for unwinder and profiler.
1373 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1375 Backport from mainline
1376 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1378 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1380 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1382 Backport from mainline
1383 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1385 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1386 DBX_REGISTER_NUMBER.
1388 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1390 Backport from mainline
1391 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1393 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1394 operand is CONST_INT. Take COSTS_N_INSNS into account.
1395 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1398 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1400 * config/avr/avr.opt (-msp8): Document it.
1401 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1403 2012-05-31 Richard Guenther <rguenther@suse.de>
1406 * expr.c (expand_assignment): Do not use movmisalign on
1409 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1412 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1413 (pa_section_type_flags): New.
1414 (pa_legitimate_constant_p): Revert previous change.
1416 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1418 Backport from mainline
1419 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1422 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1423 accessed indirectly.
1424 (ipa_tm_create_version): Same.
1426 2012-05-30 Jason Merrill <jason@redhat.com>
1429 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1430 about array compound literals.
1432 2012-05-30 Richard Guenther <rguenther@suse.de>
1435 * fold-const.c (fold_binary_loc): Make sure to call
1436 fold_plusminus_mult_expr with the original sign of operands.
1438 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1440 * explow.c (probe_stack_range): Restore simple control flow and stop
1441 again when the probe cannot be generated if HAVE_check_stack.
1443 2012-05-30 Jakub Jelinek <jakub@redhat.com>
1445 PR rtl-optimization/53519
1446 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1447 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1449 2012-05-29 Richard Guenther <rguenther@suse.de>
1451 PR tree-optimization/53516
1452 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1454 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1456 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
1458 Backport from mainline
1459 2012-05-28 Richard Guenther <rguenther@suse.de>
1461 PR tree-optimization/53438
1462 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1464 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
1466 Backport from mainline
1467 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
1469 PR rtl-optimization/52528
1470 * combine.c (can_combine_p): Add setting of subst_low_luid
1471 before call to expand_field_assignment().
1473 2012-05-26 Martin Jambor <mjambor@suse.cz>
1475 Backport from mainline
1476 2012-05-23 Martin Jambor <mjambor@suse.cz>
1478 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1480 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1483 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1484 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1486 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
1489 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1490 (ix86_expand_vec_perm): Use int mode instead of float.
1492 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1495 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1496 gnu_ld variables to yes.
1497 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1498 (HAVE_GNU_AS): Likewise.
1499 * config.in: Regenerate.
1500 * configure: Likewise.
1502 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1504 Backport from mainline
1505 2012-03-12 Richard Guenther <rguenther@suse.de>
1506 * config/arm/arm.c (neon_dereference_pointer): Do not call
1507 covert during RTL expansion.
1509 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1511 Backport from mainline
1512 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1515 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1516 relied on signed overflow behavior.
1518 2012-05-24 Richard Guenther <rguenther@suse.de>
1521 * tree-profile.c (tree_profiling): Cleanup the CFG if
1522 execute_fixup_cfg requests it.
1524 2012-05-24 Jakub Jelinek <jakub@redhat.com>
1526 PR tree-optimization/53465
1527 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1528 vr0 into *vr, then vrp_meet that.
1529 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1530 have any equivalences.
1531 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1534 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
1536 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1538 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1539 (iterative_hash_gimple_type): Adjust comment.
1540 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
1541 domain for an array type instead of the domain type itself.
1543 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
1545 Backport from 2012-05-23 mainline r187803
1548 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1549 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1552 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1554 Backport from 2012-05-03 mainline r187075
1556 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1557 has_fma4 for AMD processors with both fma3 and fma4 support.
1559 2012-05-22 Richard Guenther <rguenther@suse.de>
1561 PR tree-optimization/53408
1562 * tree-vect-loop.c (vectorizable_induction): Properly check
1563 the restriction that we cannot handle induction results from
1564 the inner loop outside of the outer loop.
1566 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1568 PR tree-optimization/53436
1569 * omp-low.c (omp_build_component_ref): New function.
1570 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1572 PR tree-optimization/53366
1573 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1574 tests if complex_numbers == 2, but there are non-complex number loads
1577 PR tree-optimization/53409
1578 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1579 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1581 PR tree-optimization/53410
1582 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1583 instead of build_int_cst (type, 0) where vector types might be
1586 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1589 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1590 from folded operands before wrapping another around the
1591 conditional expression.
1593 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1594 Patrick Marlier <patrick.marlier@gmail.com>
1596 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1599 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1601 Backport from mainline
1602 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1605 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1606 (UNSPECV_RDRAND): This.
1607 (rdrand<mode>_1): Updated.
1609 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1611 Backport from mainline
1612 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1614 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1615 RDRND, F16C and FSGSBASE.
1617 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1619 Backport from mainline
1620 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1622 * tree-ssa-pre.c (can_value_number_call): Delete.
1623 (compute_avail): Skip all statements with side effects.
1624 <GIMPLE_CALL>: Skip calls to internal functions.
1626 2012-05-18 David S. Miller <davem@davemloft.net>
1628 Backport r185385 from mainline
1629 2012-03-14 Richard Guenther <rguenther@suse.de>
1632 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1633 element type instead of mode, use build_vector_type_for_mode
1634 instead of the langhook, build a vector of proper signedness.
1635 (expand_vector_operations_1): Adjust.
1637 2012-05-18 Olivier Hainque <hainque@adacore.com>
1639 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1640 $(libsubdir) as libexecsubdir.
1642 2012-05-16 Andrew Pinski <apinski@cavium.com>
1644 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1647 2012-05-16 David S. Miller <davem@davemloft.net>
1649 * jump.c (delete_related_insns): If we remove a CALL, make sure
1650 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1652 2012-05-16 Richard Henderson <rth@redhat.com>
1655 * combine-stack-adj.c (prev_active_insn_bb): New.
1656 (next_active_insn_bb): New.
1657 (force_move_args_size_note): New.
1658 (combine_stack_adjustments_for_block): Use it.
1660 2012-05-16 Olivier Hainque <hainque@adacore.com>
1662 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1663 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1664 Add comments and improve stamp preservation across the whole sequence.
1665 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1667 2012-05-16 Richard Guenther <rguenther@suse.de>
1669 PR tree-optimization/53364
1670 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1671 detect a view-conversion of the decl.
1673 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1676 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1677 that operands[2] is either immediate, or q_regs_operand.
1679 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1681 Backport r187139 from mainline.
1682 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1684 PR rtl-optimization/52804
1685 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1686 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1687 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1688 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1689 RELOAD_FOR_OUTADDR_ADDRESS.
1691 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1694 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1695 generate target register for "load" class builtins.
1698 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1701 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1702 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1703 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1704 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1705 (<sse>_movu<ssemodesuffix>): New expander.
1706 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1707 (avx_movdqu<avxmodesuffix>): New expander.
1708 (*sse2_movdqu): Rename from sse2_movdqu.
1709 (sse2_movdqu): New expander.
1711 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1713 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1714 lineno 1 the same as lineno 0 before first start file directive.
1715 (optimize_macinfo_range): Likewise.
1717 * dwarf2out.c (have_macinfo): Define.
1718 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1719 attribute, don't force empty compilation unit and don't emit any
1720 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1722 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1724 Backport from mainline
1725 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1727 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1728 ORDERED and UNORDERED conditions.
1730 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1732 * function.c (requires_stack_frame_p): If the function can throw
1733 non-call exceptions, return true if the insn can throw internally.
1735 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1737 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1738 DECL_ORIGINAL_TYPE if it is present.
1740 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1742 Backport from 2012-05-12 mainline r187342.
1745 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1746 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1747 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1748 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1749 (expand_prologue): Move initialization of cfun->machine->is_naked,
1750 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1751 (avr_set_current_function): ...this new static function.
1752 (TARGET_SET_CURRENT_FUNCTION): New define.
1753 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1754 checking attributes of current_function_decl.
1755 (avr_regs_to_save): Ditto.
1756 (signal_function_p): Rename to avr_signal_function_p.
1757 (interrupt_function_p): Rename to avr_interrupt_function_p.
1759 * doc/extend.texi (Function Attributes): Better explanation of
1760 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1763 2012-05-09 Matthias Klose <doko@ubuntu.com>
1765 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1767 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1770 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1771 when a constant source operand matches an "I" constraint, the "no
1772 CC0 change" applies to a register-destination only, not a
1773 strict_low_part-destination.
1775 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1777 Backport from mainline:
1778 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1780 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1782 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1784 PR tree-optimization/53239
1785 * tree-vrp.c (get_value_range): Set VR of
1786 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1789 2012-05-07 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/53195
1792 * tree-inline.c (setup_one_parameter): Properly add referenced
1793 vars from the parameters new known value.
1795 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1797 Backport from mainline:
1798 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1801 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1804 2012-05-04 Ian Lance Taylor <iant@google.com>
1806 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1807 values from false to NULL.
1809 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1811 Backport from mainline
1812 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1815 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1816 (TARGET_CMOV): Rename from TARGET_CMOVE.
1817 (TARGET_CMOVE): New define.
1818 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1819 Do not set TARGET_CMOVE here.
1821 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1823 Backport from mainline:
1825 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1827 PR tree-optimization/52633
1828 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1829 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1830 (vect_recog_over_widening_pattern): Remove handling of code that was
1831 already detected as over-widening pattern. Remove special handling
1832 of "unsigned" cases. Instead, support general case of conversion
1833 of the shift result to another type.
1835 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1837 * tree-vect-patterns.c (vect_single_imm_use): New function.
1838 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1839 (vect_recog_over_widening_pattern): Likewise.
1840 (vect_recog_widen_shift_pattern): Likewise.
1842 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1844 PR tree-optimization/52870
1845 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1846 presumed pattern statement is within the same loop or basic block.
1848 2012-05-04 Richard Guenther <rguenther@suse.de>
1850 * common.opt (flto-report): Do not mark as Optimization.
1852 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1855 * recog.c (constrain_operands): If extra constraints are present, also
1856 accept pseudo-registers with equivalent memory locations during reload.
1858 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1860 Backport from the mainline
1861 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1864 * config/rs6000/rs6000.md (bswapdi splitters): If
1865 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1866 default) is used, generate an alternate sequence that does not
1867 depend on using indexed addressing.
1869 2012-05-03 David S. Miller <davem@davemloft.net>
1872 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1873 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1874 (sparc_emit_float_lib_cmp): Likewise.
1876 2012-05-04 Martin Jambor <mjambor@suse.cz>
1878 Backport from mainline
1879 2012-05-02 Martin Jambor <mjambor@suse.cz>
1882 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1883 of a variable when the contect is a function.
1885 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1888 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1889 append program name to it and pass that as first argument
1890 to make_relative_prefix. Always pass standard_libexec_prefix
1891 as last argument to make_relative_prefix. If
1892 make_relative_prefix returns NULL, fall back to
1893 standard_libexec_prefix.
1896 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1900 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1901 mode, return that mode.
1903 2012-05-03 Richard Guenther <rguenther@suse.de>
1905 PR tree-optimization/53144
1906 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1908 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1909 with SSA name values.
1910 (vn_reference_lookup_3): Adjust callers.
1912 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1914 PR tree-optimization/53163
1915 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1916 return value from compute_all_dependences.
1918 PR rtl-optimization/53160
1919 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1920 has been modified by ree pass already.
1922 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1924 Backport from mainline
1925 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1928 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1929 calls to cgraph_node_name in xstrdup.
1930 (ipa_make_edge_direct_to_target): Ditto.
1931 * tree-sra.c (convert_callers_for_node): Ditto.
1932 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1933 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1934 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1935 (cgraph_materialize_all_clones): Ditto.
1936 * ipa-inline.c (report_inline_failed_reason): Ditto.
1937 (want_early_inline_function_p): Ditto.
1938 (edge_badness): Ditto.
1939 (update_edge_key): Ditto.
1940 (flatten_function): Ditto.
1941 (ipa_inline): Ditto.
1942 (inline_always_inline_functions): Ditto.
1943 (early_inline_small_functions): Ditto.
1945 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1947 Backport from mainline
1948 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1950 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1951 Introduce emul_name to select the right linker emulation for
1952 powerpc64-*-freebsd*.
1953 * configure: Regenerate.
1954 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1955 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1956 * config/rs6000/freebsd64.h: New file.
1957 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1959 (rs6000_savres_strategy): Likewise.
1960 (rs6000_savres_routine_name): Likewise.
1961 (rs6000_elf_file_end): Likewise.
1962 * config/rs6000/t-freebsd64: New file.
1963 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1964 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1966 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1968 Backport from mainline
1969 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1972 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1974 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1976 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1977 predicate to discriminate types.
1979 2012-04-27 Richard Guenther <rguenther@suse.de>
1982 * convert.c (convert_to_integer): Avoid infinite recursion for
1983 target-defined built-in types.
1985 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1988 * config/cris/cris.md ("*andhi_lowpart_v32")
1989 ("*andqi_lowpart_v32"): Change first input-only operand from
1990 a (match_operand ...) to (match_dup 0). Drop alternatives with
1991 const_int-matching constraints for redundancy.
1992 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1993 three-operand alternative.
1995 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1997 Backport from mainline
1998 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
2000 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2001 (*addsi_2_zext): Ditto.
2002 (*add<mode>_3): Ditto.
2003 (*addsi_3_zext): Ditto.
2004 (*add<mode>_5): Ditto.
2006 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2009 * c-typeck.c (set_nonincremental_init,
2010 set_nonincremental_init_from_string): Pass true instead of false
2011 as IMPLICIT to add_pending_init.
2013 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
2015 Backport from 2012-04-24 mainline r186768.
2018 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2020 2012-04-24 Richard Guenther <rguenther@suse.de>
2022 PR tree-optimization/53085
2023 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2026 2012-04-24 Jakub Jelinek <jakub@redhat.com>
2029 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2031 (output_addressed_constants): Likewise.
2034 * varasm.c (get_section): Don't ICE for section conflicts with
2035 built-in section kinds.
2037 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
2039 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2041 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
2043 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2045 2012-04-23 Richard Guenther <rguenther@suse.de>
2048 * c-typeck.c (build_binary_op): Fix typo.
2050 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2052 PR tree-optimizations/52891
2053 * tree-vect-patterns.c (adjust_bool_pattern): Use
2054 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2055 but with non-standard precision.
2057 2012-04-22 Ian Lance Taylor <iant@google.com>
2059 * godump.c (go_output_typedef): Dump size of structs.
2061 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2063 Backport from mainline:
2065 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2066 hints for 'A' operand types.
2068 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2070 Backport from 2012-04-19 mainline r186588.
2073 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2074 the case *(X+const).
2076 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2078 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2080 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2083 * config/i386/sync.md (atomic_<code><mode>): Rename to
2084 atomic_<logic><mode>.
2086 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2088 Backport from mainline
2089 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2092 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2093 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2094 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2095 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2096 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2097 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2098 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2099 gen_avx2_permvarv8sf.
2101 2012-04-16 Martin Jambor <mjambor@suse.cz>
2103 Backported from mainline
2105 2012-04-13 Martin Jambor <mjambor@suse.cz>
2108 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2109 fold_ctor_reference returns a zero constant.
2111 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2113 Backported from mainline
2114 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2116 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2117 and __ILP32__ for x32.
2119 2012-04-13 Tom de Vries <tom@codesourcery.com>
2121 Backport from mainline r186418.
2123 2012-04-13 Tom de Vries <tom@codesourcery.com>
2125 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2126 parameters vuse and vuse_escaped.
2127 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2128 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2131 2012-04-13 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/52969
2134 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2135 the condition for the COND_EXPR and handle predicate negation
2136 by swapping the COND_EXPR arms.
2138 2012-04-13 Richard Guenther <rguenther@suse.de>
2141 * convert.c (convert_to_pointer): Remove special-casing of
2144 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2146 Backport from mainline
2147 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2150 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2151 the list of options to enable the FCFID instruction.
2152 (TARGET_EXTRA_BUILTINS): Adjust comment.
2154 2012-04-12 Richard Guenther <rguenther@suse.de>
2156 PR tree-optimization/52943
2157 * tree-chrec.h (chrec_is_positive): Remove.
2158 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2159 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2160 Return false for a constant zero instead of negative.
2161 (analyze_siv_subscript_cst_affine): Handle zero difference
2162 in the initial condition explicitely.
2164 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2167 * varasm.c (process_pending_assemble_externals): Set
2168 pending_assemble_externals_processed true.
2169 (assemble_external): Call assemble_external_real if the pending
2170 assemble externals have been processed.
2172 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2175 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2176 the DECL generated for the special GOT helper.
2178 2012-04-06 Walter Lee <walt@tilera.com>
2180 Backport from mainline
2181 2012-03-07 Walter Lee <walt@tilera.com>
2183 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2184 REG_CFA_* notes for the stack pointer.
2185 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2186 EH_RETURN_STACKADJ_RTX.
2187 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2188 generate REG_CFA_* notes for the stack pointer.
2189 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2190 by EH_RETURN_STACKADJ_RTX.
2192 2012-04-06 Matt Turner <mattst88@gmail.com>
2194 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2196 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2198 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2199 of the destination isn't also a FP_REGS register.
2201 2012-04-03 Richard Guenther <rguenther@suse.de>
2203 Backport from mainline
2204 2012-03-02 Richard Guenther <rguenther@suse.de>
2206 PR tree-optimization/52406
2207 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2208 (struct indices): Add unconstrained_base member.
2209 (struct dr_alias): Remove unused vops member.
2210 (DR_UNCONSTRAINED_BASE): New define.
2211 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2212 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2213 be an artificial access that covers the whole indexed object,
2214 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2215 plain decl base-objects to their MEM_REF variant.
2216 (dr_may_alias_p): When the base-object of either data reference
2217 has unknown size use only points-to information.
2218 (compute_affine_dependence): Make dumps easier to read and
2220 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2221 DR_REF when looking for packed references.
2222 (vect_supportable_dr_alignment): Likewise.
2224 2012-04-03 Richard Guenther <rguenther@suse.de>
2226 Backport from mainline
2227 2012-03-15 Richard Guenther <rguenther@suse.de>
2230 * tree-data-ref.c (subscript_dependence_tester_1): Check
2231 all dimensions for non-conflicting access functions.
2233 2012-04-03 Richard Guenther <rguenther@suse.de>
2235 Backport from mainline
2236 2012-03-06 Richard Guenther <rguenther@suse.de>
2239 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2241 2012-03-23 Richard Guenther <rguenther@suse.de>
2243 PR tree-optimization/52678
2244 * tree-vectorizer.h (struct _stmt_vec_info): Add
2245 loop_phi_evolution_part member.
2246 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2247 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2248 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2249 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2250 Use the cached evolution part and the PHI nodes value from
2251 the loop preheader edge instead of re-analyzing the evolution.
2253 2012-03-26 Richard Guenther <rguenther@suse.de>
2255 PR tree-optimization/52701
2256 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2257 compute and set the evolution part of PHI nodes.
2259 2012-03-30 Richard Guenther <rguenther@suse.de>
2261 PR tree-optimization/52754
2262 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2263 propagate arbitrary addresses into really plain dereferences.
2265 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2267 PR tree-optimization/52835
2268 * tree-data-ref.c (build_rdg): Return NULL if
2269 compute_data_dependences_for_loop failed.
2271 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2273 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2274 (stmt_can_make_abnormal_goto): Use it.
2275 (is_ctrl_altering_stmt): Likewise.
2277 2012-03-31 Martin Jambor <mjambor@suse.cz>
2279 Backported from mainline
2280 2012-03-30 Martin Jambor <mjambor@suse.cz>
2282 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2283 is a builtin_stack_save in a dominating BB.
2285 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2287 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2288 crossing 128bit lane boundary.
2290 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2292 Backported from mainline
2293 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2296 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2298 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2299 * config/i386/i386.c: Include reload.h.
2300 (ix86_legitimize_reload_address): New function.
2302 2012-03-28 Martin Jambor <mjambor@suse.cz>
2304 Backported from mainline
2305 2012-03-27 Martin Jambor <mjambor@suse.cz>
2308 * tree-sra.c (sra_modify_assign): Do not call
2309 load_assign_lhs_subreplacements when working with an unscalarizable
2312 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2315 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2316 __builtin_va_start to __builtin_next_arg if the latter is
2317 builtin_decl_explicit_p rather than when it is not.
2320 * tree-vect-generic.c (vector_element): Perform multiplication
2321 for pos in bitsizetype type instead of idx type.
2323 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2325 Backport from 2012-03-28 mainline r185910.
2328 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2329 (avr_builtin_decl): New static function.
2330 (struct avr_builtin_description, avr_bdesc): Move up.
2331 Add GTY marker. Add field fndecl. Remove redundant field id.
2332 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2333 (avr_expand_builtin): Code cleanup because .id is removed.
2335 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2338 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2341 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2343 Backport from 2012-03-28 mainline r185907.
2346 * config.gcc (tm_file): Remove avr/multilib.h.
2348 * doc/invoke.texi (AVR Options): Adjust
2349 documentation of -mtiny-stack.
2351 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2352 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2353 * config/avr/t-avr: Remove generation of multilib.h.
2354 * config/avr/t-multilib: Regenerate.
2355 * config/avr/multilib.h: Remove.
2356 * config/avr/avr.opt (-msp8): New option.
2357 (avr_sp8): New variable.
2358 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2359 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2360 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2361 (avr_device_to_sp8): New prototype.
2362 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2363 (DRIVER_SELF_SPECS): New define.
2364 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2365 __AVR_SP8__, __AVR_HAVE_SPH__.
2366 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2367 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2368 (avr_file_start): Ditto.
2370 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2373 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2374 instead of 8 in adjust_address.
2376 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2378 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2379 of a unit before computing the offset in units.
2381 2012-03-27 Richard Guenther <rguenther@suse.de>
2384 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2387 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2390 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2392 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2395 * varasm.c: Include pointer-set.h.
2396 (pending_assemble_externals_set): New pointer set.
2397 (process_pending_assemble_externals): Destroy the pointer set.
2398 (assemble_external): See if decl is in pending_assemble_externals_set,
2399 and add it to pending_assemble_externals if necessary.
2400 (init_varasm_once): Allocate pending_assemble_externals_set.
2402 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2404 Backported from mainline
2405 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2408 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2409 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2410 (vector_ltgt<mode>): Likewise.
2411 (vector_ordered<mode>): Likewise.
2412 (vector_unordered<mode>): Likewise.
2413 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2415 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2417 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2420 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2422 Backported from mainline
2423 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2427 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2428 GENERAL_REGS and FP_REGS for SImode.
2430 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2433 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2434 on any new_local_var_chain vars declared during recursing on
2435 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2437 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2439 Backport from 2012-03-22 mainline r185692.
2442 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2443 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2444 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2445 (delay_cycles_1, delay_cycles_2): Ditto.
2446 (delay_cycles_3, delay_cycles_4): Ditto.
2447 (nopv, *nopv): Ditto.
2448 (sleep, *sleep): Ditto.
2451 Backport from 2012-03-21 mainline r185605.
2453 PR rtl-optimization/52543
2455 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2456 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2457 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2458 (avr_load_libgcc_p): Restrict to __flash loads.
2459 (avr_out_lpm): Only handle 1-byte loads from __flash.
2460 (avr_load_lpm): New function.
2461 (avr_find_unused_d_reg): Remove.
2462 (avr_out_lpm_no_lpmx): Remove.
2463 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2464 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2465 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2466 (load_<mode>, load_<mode>_clobber): New insns.
2467 (mov<mode>): For multi-byte move from non-generic
2468 16-bit address spaces: Expand to load_<mode> resp.
2469 load_<mode>_clobber.
2470 (load<mode>_libgcc): Remove expander.
2471 (split-lpmx): Remove split.
2473 Backport from 2012-03-13 mainline r185329.
2476 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2477 offset (size) to a value the insns can deal with.
2478 (expand_epilogue): Ditto.
2480 Backport from 2012-03-12 mainline r185256.
2483 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2484 type from reg_class_t to enum reg_class.
2485 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2487 Backport from 2012-03-12 mainline r185253.
2490 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2491 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2492 r184615 from 2012-02-28.
2494 Backport from 2012-03-08 mainline r185105.
2496 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2497 for constants in [-63,63].
2499 Backport from 2012-03-08 mainline r185100.
2502 * config/avr/avr.c (avr_mem_clobber): New static function.
2503 (avr_expand_delay_cycles): Add memory clobber operand to
2504 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2505 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2506 (enable_interrupt, disable_interrupt): New expander.
2507 (nopv, sleep, wdr): New expanders.
2508 (delay_cycles_1): Add memory clobber.
2509 (delay_cycles_2): Add memory clobber.
2510 (delay_cycles_3): Add memory clobber.
2511 (delay_cycles_4): Add memory clobber.
2512 (cli_sei): New insn from former "enable_interrupt",
2513 "disable_interrupt" with memory clobber.
2514 (*wdt): New insn from former "wdt" with memory clobber.
2515 (*nopv): Similar, but for "nopv".
2516 (*sleep): Similar, but for "sleep".
2518 Backport from 2012-03-07 mainline r185043.
2521 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2523 Backport from 2012-03-07 mainline r185032.
2526 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2527 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2528 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2530 Backport from 2012-03-07 mainline r185031.
2533 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2535 * config/avr/avr.md (xload_8): Adjust insn length.
2537 Backport from 2012-03-07 mainline r185030.
2540 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2541 if RAMPZ affects reading from RAM.
2543 Backport from 2012-03-05 mainline r184919.
2545 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2547 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2549 Backport from mainline r185259.
2552 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2553 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2555 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2557 Backported from mainline
2558 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2561 * c-parser.c (c_parser_postfix_expression)
2562 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2564 * config/i386/smmintrin.h: Avoid /* within a comment.
2565 * config/i386/nmmintrin.h: Likewise.
2567 2012-03-22 Richard Guenther <rguenther@suse.de>
2569 * BASE-VER: Set to 4.7.1.
2570 * DEV-PHASE: Set to prerelease.
2572 2012-03-22 Release Manager
2574 * GCC 4.7.0 released.
2576 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2578 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2580 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2581 Andrew Pinski <apinski@cavium.com>
2584 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2585 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2586 calls instead of __builtin_ir{int,ound}*.
2588 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2591 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2594 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2596 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2597 Refer to GCC 4.7 version of c99status.html.
2599 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2601 Backport from mainline
2602 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2604 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2605 redefine to be NULL if the current bit-size is different from the
2606 configured bit-size.
2608 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2609 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2610 set the default tuning. Add asserts to make sure the cpu and tune
2611 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2612 test whether the index is set, instead of > 0.
2613 (rs6000_file_start): Do not reset the default cpu if the current
2614 bit-size is different from the configured bit-size.
2616 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2618 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2620 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2621 Update binutils references.
2622 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2623 Update binutils reference.
2624 Update Sun as/GNU ld caveat.
2625 Document binutils largefile requirement for LTO plugin.
2626 Remove reference to alternate libpthread.
2628 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2630 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2632 (Specific, mips-sgi-irix6): Likewise.
2634 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2636 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2637 * configure: Regenerate.
2639 2012-03-07 Richard Henderson <rth@redhat.com>
2641 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2642 * config/m68k/sync.md (atomic_test_and_set): Use it.
2643 (atomic_test_and_set_1): Likewise.
2645 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2648 * Makefile.in: Let install-gcc-ar depend on installdirs,
2649 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2650 Don't double canonicalize if cross-compiling.
2652 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2654 * trans-mem.c: New typedef for tm_region_p.
2655 Define vector types for tm_region_p.
2656 (tm_region_init): Replace region_worklist to a vector called
2659 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2662 * trans-mem.c (tm_region_init): Use last_basic_block.
2664 2012-03-05 Richard Henderson <rth@redhat.com>
2667 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2668 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2669 BIGGEST_ALIGNMENT is aligned.
2671 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2673 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2675 2012-03-05 Richard Henderson <rth@redhat.com>
2678 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2679 instead of calling negqi2 directly.
2681 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2683 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2684 (INTMAX_TYPE): Use it.
2685 (UINTMAX_TYPE): Likewise.
2686 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2687 (irix6_c_common_override_options): Declare.
2688 (C_COMMON_OVERRIDE_OPTIONS): Define.
2689 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2690 * config/mips/irix6-c.c: New file.
2691 * config/mips/t-irix6 (irix6-c.o): New target.
2692 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2695 2012-03-02 Richard Henderson <rth@redhat.com>
2697 * optabs.c (expand_atomic_test_and_set): Honor
2698 atomic_test_and_set_trueval even when atomic_test_and_set
2699 optab is not in use.
2701 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2703 Backport from mainline
2704 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2706 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2708 2012-03-02 Richard Guenther <rguenther@suse.de>
2710 * DEV-PHASE: Set to prerelease.
2712 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2714 * config.gcc (obsolete): Add all ARM targets using the FPA.
2715 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2716 * doc/install.texi: Avoid references to obsolete ARM ports.
2718 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2720 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2722 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2723 Joern Rennecke <joern.rennecke@embecosm.com>
2725 * doc/extend.texi: Expand and update information on interrupt
2726 attribute for Epiphany.
2728 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2730 * config/sh/sh-protos.h: Update copyright notice dates.
2731 * config/sh/sh.h: Likewise.
2732 * config/sh/sh.md: Likewise.
2733 * config/sh/constraints.md: Likewise.
2734 * config/sh/predicates.md: Likewise.
2736 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2738 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2739 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2741 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2743 * config/sh/constraints.md: Fix comment typo.
2745 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2748 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2749 unsigned HOST_WIDE_INT.
2750 (zvdep_imm64): Likewise.
2751 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2752 (vdepi_and): Likewise.
2753 Likewise for unamed 64-bit patterns.
2754 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2756 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2759 PR rtl-optimization/52417
2760 * cselib.c (cselib_any_perm_equivs): New variable.
2761 (cselib_reset_table): Check that it's not set when not
2762 preserving constants.
2763 (cselib_add_permanent_equiv): Set it.
2764 (cselib_have_permanent_equivalences): New.
2765 (cselib_init, cselib_finish): Reset it.
2766 * cselib.h (cselib_have_permanent_equivalences): Declare.
2767 * alias.c (get_addr): Restore earlier behavior when there
2768 aren't permanent equivalences.
2770 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2772 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2773 * config/v850/v850-modes.def: Fix copyright notice.
2775 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2777 * doc/extend.texi (AVR Built-in Functions): Document
2778 __builtin_avr_flash_segment.
2780 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2781 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2782 (*split.flash_segment): New insn-and-split.
2783 * config/avr/avr.c (avr_init_builtins): Add local variables:
2784 const_memx_void_node, const_memx_ptr_type_node,
2785 char_ftype_const_memx_ptr.
2787 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2789 PR tree-optimization/52445
2790 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2791 add ssa_name_ver, offset and size fields and change store field
2793 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2794 (add_or_mark_expr): Likewise. Only consider previous stores
2795 with the same size and offset.
2796 (nt_init_block): Only look at gimple_assign_single_p stmts,
2797 doesn't look at rhs2.
2799 2012-03-01 Richard Guenther <rguenther@suse.de>
2802 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2803 conversions from integral types to pointer types.
2805 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2807 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2808 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2809 unintentionally removed in r184616.
2811 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2813 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2816 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2817 Uros Bizjak <ubizjak@gmail.com>
2820 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2821 alternatives, add "e" constraint to the new last alternative
2822 and ! to last 3 alternatives.
2824 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2826 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2827 DW_AT_artificial attributes at the end of the processing.
2828 (gen_array_type_die): Likewise.
2829 (gen_enumeration_type_die): Likewise.
2830 (gen_struct_or_union_type_die): Likewise.
2831 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2834 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2837 * expr.c (expand_assignment): If doing misaligned store that doesn't
2838 cover all mode bits, perform a RMW cycle.
2840 PR tree-optimization/52429
2841 * tree-parloops.c (separate_decls_in_region_debug): Return early
2842 if var is LABEL_DECL.
2844 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2846 PR tree-optimization/52424
2847 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2848 calling dom_thread_across_edge.
2850 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2852 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2854 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2856 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2857 * config/avr/avr.c (avr_output_bld): Remove unused function.
2858 (avr_out_sbxx_branch): Use "%T" to print bit position.
2860 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2862 * config/avr/avr.md: Untabify.
2864 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2866 * config/avr/avr.md (eqne): New code iterator.
2867 (*dec-and-branchsi): Use it in text peephole's condition.
2868 (*dec-and-branchhi): Ditto.
2869 (*dec-and-branchqi): Ditto.
2871 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2874 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2875 the device does not have the skip-bug.
2877 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2879 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2880 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2881 -mpretend-cmove): New.
2883 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2886 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2887 doesn't count DEBUG_INSN refs.
2888 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2889 for DEBUG_INSN refs.
2891 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2895 2012-02-20 Richard Guenther <rguenther@suse.de>
2896 PR tree-optimization/52298
2897 * tree-vect-stmts.c (vectorizable_load): Properly use
2898 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2901 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2904 * gimple.h (gimple_in_transaction): New.
2905 (gimple_set_in_transaction): New.
2906 (struct gimple_statement_base): Add in_transaction field.
2907 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2909 (tree_ssa_lim_initialize): Compute transaction bits.
2910 * tree.h (compute_transaction_bits): Protoize.
2911 * trans-mem.c (tm_region_init): Use the heap to store BB
2913 (compute_transaction_bits): New.
2915 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2917 * gcc.c (display_help): Document --help=common and sort entries
2920 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2922 * doc/install.texi: Document check-$LANG specific shortcuts
2924 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2927 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2929 * config/arm/arm_neon.h: Regenerate.
2930 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2931 (neon_vcgeu): New insn.
2932 (neon_vcgtu): Likewise.
2933 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2934 (ops): Unsigned comparison intrinsics call a different
2937 2012-02-28 Richard Guenther <rguenther@suse.de>
2940 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2941 ordering for the VEC_CONCAT for two element vectors for
2942 V2SFmode, V2SImode and V2DImode.
2944 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2947 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2948 detecting big-endian triplets.
2950 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2952 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2953 mode if there is no type information available.
2955 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2957 PR tree-optimization/53207
2958 * doc/invoke.texi: Document as experimental and relying on graphite.
2960 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2962 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2963 of initializer to changes from r184614.
2965 2012-02-28 Richard Guenther <rguenther@suse.de>
2967 PR tree-optimization/52395
2968 * tree-sra.c (build_ref_for_offset): Also look at the base
2969 TYPE_ALIGN when figuring out the alignment of the replacement.
2971 2012-02-28 Richard Guenther <rguenther@suse.de>
2973 PR tree-optimization/52402
2974 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2975 mis-aligned types when creating the accesses at the call site.
2977 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2979 * config/avr/builtins.def: New file.
2980 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2981 * config/avr/avr.c (enum avr_builtin_id): Use it.
2982 (avr_init_builtins): Use it. And use avr_bdesc.
2983 (bdesc_1arg): Remove.
2984 (bdesc_2arg): Remove.
2985 (bdesc_3arg): Remove.
2986 (struct avr_builtin_description): Add field n_args.
2987 (avr_bdesc): New static variable using builtins.def.
2988 (avr_expand_builtin): Use it.
2989 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2990 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2991 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2993 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2996 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2997 match only one single hard register with respective hard reg rtx.
2998 (movmemx_<mode>): Ditto.
2999 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3000 insn anatomy of movmem[x]_<mode>.
3001 (avr_out_movmem): Same for printing assembler and operand usage.
3003 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3007 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3008 address spaces located outside of device flash.
3010 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3011 (mcu_type_s): Add field n_flash.
3012 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3013 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3014 (AVR_MCU): Add N_FLASH argument.
3015 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3016 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3017 macro __FLASH<n> if that address space makes sense for the device.
3018 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3019 outside of target flash.
3020 (avr_asm_named_section): Ditto.
3021 (avr_asm_select_section): Ditto.
3022 (avr_addr_space_convert): Ditto.
3023 (avr_emit_movmemhi): Ditto.
3024 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3025 address space is outside of device flash.
3026 (avr_insert_attributes): Ditto.
3027 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3028 avr_current_arch->n_segments.
3030 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3033 * config/i386/i386.md (*movabs<mode>_1): Enable only for
3035 (*movabs<mode>_2): Likewise.
3037 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3040 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3041 s_register_operand in the test instead of REG_P. Don't call
3042 gen_reg_rtx if it won't be used.
3044 PR tree-optimization/52376
3045 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3047 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3049 * ifcvt.c (noce_get_condition): Check condition variable is not
3050 small_register_classes_for_mode_p before accepting.
3052 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3054 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3056 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3059 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3060 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3062 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3064 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3066 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3068 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3070 * config/sh/predicates.md: Remove blank lines.
3071 * config/sh/sh.c: Fix typos in comments.
3072 * config/sh/constraints.md: Likewise.
3073 * config/sh/sh.md: Remove blank lines.
3074 Fix typos in comments. Use ;; as comment characters.
3076 2012-02-26 Walter Lee <walt@tilera.com>
3078 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3079 (replace_mov_pcrel_step2): Ditto.
3081 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3084 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3085 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3086 and locs that reference values newer than the non-canonical value
3087 at hand. Return the canonical value as a worst case.
3088 (memrefs_conflict_p): Walk canonical value's locs.
3091 * cselib.c (preserve_only_constants): Rename to...
3092 (preserve_constants_and_equivs): ... this. Split out...
3093 (invariant_or_equiv_p): ... this. Preserve plus expressions
3094 of other preserved expressions too.
3095 (cselib_reset_table): Adjust.
3096 * var-tracking.c (reverse_op): Use canonical value to build
3099 2012-02-23 Kai Tietz <ktietz@redhat.com>
3101 * config/i386/i386.c (ix86_delegitimize_address): Handle
3102 UNSPEC_PCREL plus displacement.
3104 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3107 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3108 to test for unusedness in st X addressing.
3110 2012-02-24 Richard Guenther <rguenther@suse.de>
3113 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3114 (is_gimple_reg_type): Move inline ...
3115 * gimple.h (is_gimple_reg_type): ... here.
3117 2012-02-24 Richard Guenther <rguenther@suse.de>
3120 * passes.c (execute_function_todo): When verifying SSA form
3121 verify gimple form first.
3122 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3124 2012-02-24 Richard Guenther <rguenther@suse.de>
3127 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3128 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3130 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3132 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3134 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3136 * tree-phinodes.c (make_phi_node): Mark static.
3137 * tree-flow.h (make_phi_node): Remove extern decl.
3138 * doc/gimple.texi (make_phi_node): Remove documentation.
3140 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3142 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3143 * tree-ssa-sccvn.c (print_scc): Ditto.
3145 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3147 * doc/passes.texi (Full redundancy elimination): Fix typo.
3149 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3151 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3153 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3156 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3158 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3161 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3163 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3165 * config/avr/avr.md (code_stdname): Add ior, xor.
3166 (xior): New code iterator.
3167 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3168 (*<code_stdname><mode>qi.byte1-3): Ditto.
3170 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3172 PR tree-optimization/52019
3173 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3176 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3178 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3179 HAVE_INITFINI_ARRAY to work around namespace pollution in
3180 certain versions of newlib system headers.
3181 * config.in: Regenerate.
3182 * configure: Regenerate.
3183 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3184 instead of HAVE_INITFINI_ARRAY.
3186 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3189 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3190 is not offsettable memory reference.
3192 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3195 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3196 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3198 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3200 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3201 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3203 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3205 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3206 library on Solaris 8 even without TLS support.
3207 * configure: Regenerate.
3209 2012-02-22 Richard Guenther <rguenther@suse.de>
3212 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3213 for GIMPLE_DEBUG stmts.
3215 2012-02-22 Martin Jambor <mjambor@suse.cz>
3218 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3219 according to the base object.
3221 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3223 PR rtl-optimization/50063
3224 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3225 and 2 (8-bit SP) in operand 2.
3226 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3227 setup to use movhi_sp_r instead of vanilla move to write SP.
3228 Adjust REG_CFA notes to superseed unspec.
3229 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3231 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3232 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3233 irq_state 1 (IRQ known to be on) here.
3235 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3237 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3239 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3240 assign_hard_reg): Likewise.
3242 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3244 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3246 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3249 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3250 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3252 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3254 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3255 prototype from here to...
3256 * config/avr/avr.h: ...here.
3258 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3261 * thumb2.md (thumb2_shiftsi3_short): Split register and
3262 immediate shifts. For register shifts tie operands 0 and 1.
3263 (peephole2 for above): Check that register-controlled shifts
3264 have suitably tied operands.
3266 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3269 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3270 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3271 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3272 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3273 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3274 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3275 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3276 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3277 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3278 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3279 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3280 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3281 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3282 bdver1_ssevector_avx256_unaligned_load,
3283 bdver1_ssevector_sse128_unaligned_load,
3284 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3285 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3286 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3287 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3288 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3289 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3290 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3291 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3292 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3293 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3294 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3295 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3296 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3297 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3298 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3299 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3300 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3301 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3302 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3303 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3304 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3305 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3306 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3307 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3308 bdver1_ssediv_double_load, bdver1_ssediv_double,
3309 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3310 Add "bdver2" attribute.
3312 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3314 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3315 default if possible and not specified otherwise.
3317 2012-02-21 Richard Guenther <rguenther@suse.de>
3320 * gimplify.c (create_tmp_from_val): Use the main variant type
3321 for the type of the temporary we create.
3323 2012-02-21 Richard Guenther <rguenther@suse.de>
3325 PR tree-optimization/52324
3326 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3327 do not gimplify a MEM_REF address operand if it is already
3330 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3332 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3333 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3335 2012-02-21 Richard Guenther <rguenther@suse.de>
3337 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3338 nested_in_vect_loop.
3340 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3342 PR tree-optimization/52318
3343 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3344 vdef also to non-pure/const call stmts in the sequence.
3346 2012-02-20 David S. Miller <davem@davemloft.net>
3348 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3349 don't use the "rd %pc" instruction on v9 for PIC register loads.
3351 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3354 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3355 in a transaction safe function.
3357 2012-02-20 Kai Tietz <ktietz@redhat.com>
3360 * stor-layout.c (place_field): Handle desired_align for
3363 2012-02-20 Richard Guenther <rguenther@suse.de>
3365 PR tree-optimization/52298
3366 * tree-vect-stmts.c (vectorizable_store): Properly use
3367 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3369 (vectorizable_load): Likewise.
3370 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3371 Access DR_STEP after ensuring it is not NULL.
3373 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3375 PR tree-optimization/52286
3376 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3377 optimization use double_int_to_tree instead of build_int_cst_wide,
3378 rewrite to use double_int vars.
3380 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3383 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3385 Remove -e 0 from $gcc_cv_ld invocation.
3386 Only use __GLIBC_PREREQ if defined.
3387 Enable on Solaris since Solaris 8 patch.
3388 (gcc_SUN_LD_VERSION): New macro.
3389 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3390 gcc_SUN_LD_VERSION for version number format.
3391 * configure: Regenerate.
3392 * varasm.c (get_elf_initfini_array_priority_section): Set
3393 SECTION_NOTYPE for non-default priority.
3394 Use get_section instead of get_unnamed_section to emit
3395 .init_array/.fini_array with default priority.
3397 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3399 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3400 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3401 (mips_start_unique_function, mips_output_mips16_rdhwr)
3402 (mips_code_end): New functions.
3403 (TARGET_ASM_CODE_END): Define.
3405 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3407 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3408 to stubs with non-sibling calls.
3410 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3412 * doc/invoke.texi (-fira-* options): Copy-edit.
3413 (ira-* parameters): Copy-edit.
3415 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3417 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3418 GCC coding conventions.
3420 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3422 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3423 when used as adjectives.
3425 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3427 * doc/invoke.texi: Clean up "that"/"which" confusion.
3429 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3431 * system.h: Poison SMALL_REGISTER_CLASSES
3432 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3433 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3435 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3437 PR tree-optimization/52285
3438 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3439 when deciding if a call is a tail call or tail recursion.
3441 2012-02-16 Kai Tietz <ktietz@redhat.com>
3443 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3444 interger-constant displacement for UNSPEC_PCREL.
3446 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3448 PR rtl-optimization/52208
3449 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3450 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3452 PR tree-optimization/52255
3453 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3454 loop->header has virtual PHI, but exit_e->dest doesn't, add
3455 virtual PHI to exit_e->dest and adjust all uses after the loop.
3458 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3459 children with clone_tree_hash, not after it.
3461 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
3463 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3464 extended identifiers.
3466 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3469 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3470 a same_body_alias, also test whether e->callee isn't a former
3471 or current clone of the decl this is a same body alias of.
3473 PR translation/52264
3474 * cgraphunit.c (verify_cgraph_node): Fix a typo.
3476 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
3478 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3480 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
3483 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3484 force_reg instead of copy_to_reg for better optimization. Force
3485 non-register or memory operands into a register.
3487 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
3489 * extend.texi: Reserve upper bits of memory model for future use.
3491 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
3492 Anatoly Sokolov <aesok@post.ru>
3493 Eric Weddington <eric.weddington@atmel.com>
3496 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3497 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3498 Rewrite initializers for .macro.
3499 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3500 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3501 atxmega32d4, atxmega32x1.
3502 avrxmega4: atxmega64a3, atxmega64d3.
3503 avrxmega5: atxmega64a1, atxmega64a1u.
3504 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3505 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3506 avrxmega7: atxmega128a1, atxmega128a1u.
3507 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3508 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3509 (struct base_arch_s): Rename reserved to xmega_p.
3510 Rename reserved2 to have_rampd.
3511 (AVR_XMEGA): New define.
3512 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3513 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3514 * config/avr/predicates.md (io_address_operand): Take into
3516 (low_io_address_operand): Ditto.
3517 (high_io_address_operand): Ditto.
3518 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3519 (enabled, movhi_sp_r): Use them.
3520 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3521 cpp_define_formatted to built-in define __AVR_ARCH__.
3522 (__AVR_XMEGA__): New built-in define.
3523 (__AVR_HAVE_RAMPD__): New built-in define.
3524 (__AVR_HAVE_RAMPX__): New built-in define.
3525 (__AVR_HAVE_RAMPY__): New built-in define.
3526 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3528 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3529 (avr_option_override): Initialize them.
3530 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3531 (avr_init_expanders): Initialize them. No more block several calls.
3532 (emit_push_sfr): New static function.
3533 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3535 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3536 (avr_print_operand): Print addreeses as symbols for
3537 RAMPX, RAMPY, RAMPD, CCP.
3538 (output_movhi): Handle AVR_XMEGA when writing to SP.
3539 (avr_out_movhi_mr_r_xmega): New static function.
3540 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3541 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
3542 __RAMPD__, __CCP__ as needed.
3544 * config/avr/multilib.h: Regenerate.
3545 * config/avr/t-multilib: Regenerate.
3546 * config/avr/avr-tables.opt: Regenerate.
3548 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3550 PR tree-optimization/50561
3551 * graphite-flattening.c (lst_project_loop): Do not
3552 remove old scattering dimensions after flattening.
3553 (lst_do_flatten): Likewise.
3555 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3557 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3558 __builtin_avr_map8, __builtin_avr_map16.
3559 Document __builtin_avr_insert_bits.
3561 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3562 (insert_bits): New insn.
3563 (adjust_len.map_bits): Rename to insert_bits.
3564 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3565 * avr-protos.h (avr_out_map_bits): Remove.
3566 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3567 * config/avr/constraints.md (Cxf,C0f): New.
3568 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3569 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3570 New built-in define __BUILTIN_AVR_INSERT_BITS.
3571 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3572 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3573 (avr_move_bits): Rewrite.
3574 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3576 (avr_map_op_t): New typedef.
3577 (avr_map_op): New static variable.
3578 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3579 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3580 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3581 (bdesc_3arg, avr_expand_triop_builtin): New.
3582 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3583 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3584 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3585 (avr_map_equal_p, avr_map_sig_p): Remove.
3586 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3587 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3588 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3589 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3590 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3591 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3593 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3595 * config/c6x/c6x.md (reserve_cycles): New attribute.
3596 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3597 don't reserve functional units after the branch occurs.
3599 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3602 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3603 functions into non-tm_pure functions.
3605 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3608 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3609 (iterative_hash_canonical_type): Likewise.
3610 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3613 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3615 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3616 sched-group insn, it either remains alone or the entire list is pruned.
3618 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3620 * doc/install.texi (Prerequisites): Fix grammar.
3621 (Configuration): Likewise.
3623 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3625 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3626 MPC as part of GCC before describing configuring with --with-gmp etc.
3627 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3628 sources are present.
3630 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3633 * dwarf2out.c (clone_tree_hash): New function.
3634 (copy_decls_walk): Use it instead of clone_tree.
3636 2012-02-14 Richard Guenther <rguenther@suse.de>
3638 PR tree-optimization/52244
3639 PR tree-optimization/51528
3640 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3641 replacements for integral types.
3643 2012-02-14 Walter Lee <walt@tilera.com>
3645 * config.gcc: Handle tilegx and tilepro.
3646 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3648 Add HAVE_AS_TLS check for tilegx and tilepro.
3649 * configure: Regenerate.
3650 * doc/contrib.texi: Add Mat Hostetter and self.
3651 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3652 Document instruction intrinsics and network accessing intrinsics.
3653 (TILEPro Built-in Functions): New node. Document instruction
3654 intrinsics and network accessing intrinsics.
3655 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3656 (Specific, tilepro-*-linux*): Likewise.
3657 * doc/invoke.texi (TILE-Gx Options): New section.
3658 (TILEPro Options): New section.
3659 * doc/md.texi (TILE-Gx): New section.
3660 (TILEPro): New section.
3661 * common/config/tilegx/tilegx-common.c: New file.
3662 * common/config/tilepro/tilepro-common.c: New file.
3663 * config/tilegx/constraints.md: New file.
3664 * config/tilegx/linux.h: New file.
3665 * config/tilegx/mul-tables.c: New file.
3666 * config/tilegx/predicates.md: New file.
3667 * config/tilegx/sync.md: New file.
3668 * config/tilegx/t-tilegx: New file.
3669 * config/tilegx/tilegx-builtins.h: New file.
3670 * config/tilegx/tilegx-c.c: New file.
3671 * config/tilegx/tilegx-generic.md: New file.
3672 * config/tilegx/tilegx-modes.def: New file.
3673 * config/tilegx/tilegx-multiply.h: New file.
3674 * config/tilegx/tilegx-protos.h: New file.
3675 * config/tilegx/tilegx.c: New file.
3676 * config/tilegx/tilegx.h: New file.
3677 * config/tilegx/tilegx.md: New file.
3678 * config/tilegx/tilegx.opt: New file.
3679 * config/tilepro/constraints.md: New file.
3680 * config/tilepro/gen-mul-tables.cc: New file.
3681 * config/tilepro/linux.h: New file.
3682 * config/tilepro/mul-tables.c: New file.
3683 * config/tilepro/predicates.md: New file.
3684 * config/tilepro/t-tilepro: New file.
3685 * config/tilepro/tilepro-builtins.h: New file.
3686 * config/tilepro/tilepro-c.c: New file.
3687 * config/tilepro/tilepro-generic.md: New file.
3688 * config/tilepro/tilepro-modes.def: New file.
3689 * config/tilepro/tilepro-multiply.h: New file.
3690 * config/tilepro/tilepro-protos.h: New file.
3691 * config/tilepro/tilepro.c: New file.
3692 * config/tilepro/tilepro.h: New file.
3693 * config/tilepro/tilepro.md: New file.
3694 * config/tilepro/tilepro.opt: New file.
3696 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3698 PR tree-optimization/52210
3699 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3700 vect_model_simple_cost with two entry vect_def_type array instead
3701 of an address of dt.
3703 2012-02-14 Richard Guenther <rguenther@suse.de>
3706 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3707 Do not stream DECL_QUALIFIER.
3708 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3709 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3710 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3712 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3715 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3718 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3721 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3722 * cselib.c (cselib_subst_to_values_from_insn): New function.
3723 * sched-deps.c (add_insn_mem_dependence,
3724 sched_analyze_1, sched_analyze_2): Use it.
3726 2012-02-13 Jan Hubicka <jh@suse.cz>
3729 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3731 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3733 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3734 (GTM_SELF_SPECS): Define if not already defined.
3735 (driver_self_specs): Add GTM_SELF_SPECS.
3736 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3737 (GTM_SELF_SPECS): Define.
3738 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3739 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3741 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3743 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3746 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3749 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3750 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3752 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3755 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3757 2012-02-13 Richard Guenther <rguenther@suse.de>
3759 PR translation/52211
3760 * passes.c (enable_disable_pass): Fix typo.
3762 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3765 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3766 XOR for reduce_bit_field if type is unsigned.
3768 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3770 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3771 disallow changes from SFmode to mode with different size in FP regs.
3773 2012-02-12 Robert Millan <rmh@gnu.org>
3774 Gerald Pfeifer <gerald@pfeifer.com>
3776 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3779 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3781 PR rtl-optimization/52175
3782 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3783 to frame-related instructions.
3785 2012-02-10 Jason Merrill <jason@redhat.com>
3788 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3789 (demangle_new_symbols): Fill it.
3790 (scan_linker_output): Walk it.
3791 (start_tweaking): Split out from scan_linker_output.
3792 (maybe_tweak): Update sym->chosen.
3793 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3795 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3798 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3800 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3802 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3803 having the same mode as previous compare.
3805 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3807 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3808 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3809 (nonlocal_goto_internal): Likewise.
3810 (nonlocal_goto): Emit a use and an indirect jump directly.
3812 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3815 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3816 __atomic_{is,always}_lock_free.
3818 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3821 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3822 negative constant address for x32.
3824 2012-02-10 Richard Henderson <rth@redhat.com>
3826 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3827 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3828 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3830 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3831 Ira Rosen <irar@il.ibm.com>
3833 PR tree-optimization/50031
3834 * targhooks.c (default_builtin_vectorization_cost): Handle
3836 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3837 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3838 all types of reduction and pattern statements.
3839 (vect_estimate_min_profitable_iters): Likewise.
3840 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3841 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3842 for explicit realigns.
3843 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3844 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3846 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3847 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3848 vec_perm for VSX and handle vec_promote_demote.
3850 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3853 * builtins.c (fold_builtin_atomic_always_lock_free,
3854 expand_builtin_atomic_always_lock_free,
3855 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3856 Return and/or test boolean_true_node/boolean_false_node instead of
3857 integer_one_node/integer_zero_node.
3859 2012-02-10 Jan Hubicka <jh@suse.cz>
3862 * predict.c (predict_paths_for_bb): Prevent looping.
3863 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3865 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3867 * config/arm/arm.c (output_move_double): In one case properly
3868 count number of instructions that will be emitted.
3870 2012-02-10 Richard Guenther <rguenther@suse.de>
3872 PR translation/52193
3873 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3875 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3878 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3880 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3883 * var-tracking.c (emit_note_insn_var_location): If
3884 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3885 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3886 non-NOTE_DURING_CALL_P insn.
3888 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3891 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3893 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3896 * gcc.c (switch_matches) Support switches with separated form,
3899 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3901 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3903 (RAMPZ_ADDR): Ditto.
3904 * config/avr/avr.c (avr_addr_t): New typedef.
3905 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3906 (avr_init_expanders): Initialize it.
3907 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3909 (expand_epilogue): Ditto.
3910 (avr_print_operand): Ditto.
3911 (avr_file_start): Ditto.
3912 (avr_emit_movmemhi): Ditto.
3914 2012-02-08 Richard Guenther <rguenther@suse.de>
3916 PR tree-optimization/46886
3917 * tree-flow.h (do_while_loop_p): Declare.
3918 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3919 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3921 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3923 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3924 always succeed for integers larger than a native word.
3926 2012-02-08 Richard Guenther <rguenther@suse.de>
3928 PR rtl-optimization/52170
3929 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3930 properly handle integer vector modes.
3932 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3934 PR gcov-profile/52150
3935 * coverage.c: Include target.h.
3936 (build_var): Call targetm.strip_name_encoding on the assembler name.
3937 Change one _ into . or $ if the target allows it.
3938 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3940 PR rtl-optimization/52139
3941 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3942 is a BARRIER after emit_insn_after_noloc, move BB_END
3943 to the last non-BARRIER insn before it.
3945 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3948 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3949 (mips_gimplify_va_arg_expr): Call it instead of
3950 std_gimplify_va_arg_expr.
3952 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3954 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3955 message for -mno-pointers-to-nested-function.
3957 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3960 * expr.c (get_inner_reference): If there is an offset, add a negative
3961 bit position to it (if any).
3963 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3965 PR rtl-optimization/52060
3966 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3967 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3968 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3969 and/or i0src_copy2 when needed.
3971 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3973 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3974 or LTOPLUGINSONAME if have_c.
3976 * config/freebsd-spec.h: Add comment about what macros can be defined
3978 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3979 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3982 2012-02-07 Richard Guenther <rguenther@suse.de>
3984 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3985 newline in -alias dumps.
3987 2012-02-07 Kai Tietz <ktietz@redhat.com>
3988 Dave Korn <dave.korn.cygwin@gmail.com>
3991 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3992 Take care that typinfo gets dllexport-attribute.
3994 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3997 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3998 if modifier < EXPAND_SUM call force_operand on the result.
4000 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4002 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4003 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4005 (epiphany_function_type): Replace types for specific interrupts with
4006 EPIPHANY_FUNCTION_INTERRUPT.
4007 (EPIPHANY_INTERRUPT_P): Update.
4008 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4009 New static function.
4010 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4011 <disinterrupt>: Affects type identity.
4012 (epiphany_handle_interrupt_attribute): Handle variable number of
4014 (epiphany_compute_function_type): Update for new
4015 epiphany_function_type definition.
4016 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4017 handlers with a longcall forwarder.
4018 (epiphany_start_function): Handle multiple interrupt arguments and/or
4019 forwarder_section attribute.
4021 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4024 2012-02-07 Alan Modra <amodra@gmail.com>
4027 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4030 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4032 PR tree-optimization/50969
4033 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4034 use vec_perm rather than vector_stmt.
4035 (vect_model_load_cost): Likewise.
4036 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4037 vec_perm to be the same as other vector statements.
4038 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4039 cost of vec_perm for TARGET_VSX.
4041 2012-02-06 Richard Guenther <rguenther@suse.de>
4043 PR tree-optimization/52115
4044 * tree-sra.c (access_has_replacements_p): New function.
4045 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4047 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4050 * trans-mem.c (expand_call_tm): Add an assertion.
4051 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4054 2012-02-06 Richard Guenther <rguenther@suse.de>
4056 PR tree-optimization/50955
4057 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4058 raise cost of expressions that replace an address with an
4059 expression based on a different pointer.
4061 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4064 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4065 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4067 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4070 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4071 -Weffc++ and specify guidelines come from second edition.
4073 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4075 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4076 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4077 (call_direct_split, call_value_split, call_value_internal_direct)
4078 (call_value_direct_split, call_value_multiple_split): Use jal and
4079 jal_macro attributes.
4081 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4083 * reload1.c (reload_regs_reach_end_p): Replace with...
4084 (reload_reg_rtx_reaches_end_p): ...this function.
4085 (new_spill_reg_store): Update commentary.
4086 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4087 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4088 before setting new_spill_reg_store.
4089 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4090 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4091 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4092 for non-spill reload registers.
4094 2012-02-05 Ira Rosen <irar@il.ibm.com>
4096 PR tree-optimization/52091
4097 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4098 (vect_is_simple_use_1): Likewise.
4099 * tree-vect-loop.c (vectorizable_reduction): Update calls
4100 to vect_is_simple_use_1 and vect_is_simple_use.
4101 (vectorizable_live_operation): Likewise.
4102 * tree-vect-patterns.c (widened_name_p,
4103 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4104 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4105 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4106 vectorizable_shift,vectorizable_operation, vectorizable_store,
4107 vectorizable_load): Likewise.
4108 (vect_is_simple_cond): Add an argument, pass it to
4109 vect_is_simple_use_1.
4110 (vectorizable_condition): Update calls to vect_is_simple_cond,
4112 (vect_is_simple_use): Add an argument, the statement in which
4113 OPERAND is used. Check that if OPERAND's def stmt is a double
4114 reduction phi node, the use is a phi node too.
4115 (vect_is_simple_use_1): Add an argument, pass it to
4117 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4118 to vect_is_simple_use.
4120 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4122 PR rtl-optimization/52095
4123 * modulo-sched.c (dump_insn_locator): New function.
4124 (loop_canon_p, sms_schedule): Use it.
4126 PR rtl-optimization/52113
4127 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4128 even for decomposable shift/zext insns.
4130 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4131 Zdenek Dvorak <ook@ucw.cz>
4133 PR rtl-optimization/52092
4134 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4135 on get_iv_value result.
4137 2012-02-02 Andrew Pinski <apinski@cavium.com>
4141 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4143 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4146 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4148 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4150 PR rtl-optimization/49800
4151 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4152 (sched_finish): Call regstat_free_n_sets_and_refs.
4154 2012-02-02 Jia Liu <proljc@gmail.com>
4156 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4159 2012-02-02 Jan Hubicka <jh@suse.cz>
4160 Tom de Vries <tom@codesourcery.com>
4163 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4164 * varpool.c (varpool_analyze_pending_decls): Likewise.
4166 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4167 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4169 * config.gcc: Add cr16-* support.
4171 * doc/extend.texi: Document cr16 extensions.
4172 * doc/install.texi: Document cr16 install.
4173 * doc/invoke.texi: Document cr16 options.
4174 * doc/md.texi: Document cr16 constraints.
4176 * common/config/cr16/cr16-common.c: New file.
4177 * config/cr16/cr16.c: New file.
4178 * config/cr16/cr16.h: New file.
4179 * config/cr16/cr16.md: New file.
4180 * config/cr16/cr16.opt: New file.
4181 * config/cr16/cr16-protos.h: New file.
4182 * config/cr16/predicates.md: New file.
4183 * config/cr16/constraints.md: New file.
4184 * config/cr16/t-cr16: New file.
4186 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4189 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4190 that operands[2] is either immediate, or q_regs_operand.
4192 PR tree-optimization/52073
4193 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4194 a pattern stmt for pattern uses, ignore uses outside of the loop.
4196 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4198 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4199 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4200 (OUT_AS1, OUT_AS2): Remove.
4202 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4204 PR rtl-optimization/51374
4205 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4206 to cross other volatile_refs_p insns.
4208 2012-02-01 Richard Guenther <rguenther@suse.de>
4210 * doc/invoke.texi (fno-inline): Clarify documentation.
4211 (finline-small-functions): Likewise.
4212 (finline-functions): Likewise.
4213 * common.opt (finline): Adjust comment and documentation.
4214 (finline-small-functions): Clarify documentation.
4215 (finline-functions): Likewise.
4216 (finline-functions-called-once): Likewise.
4218 2012-02-01 Tristan Gingold <gingold@adacore.com>
4220 * c-typeck.c (composite_type): Keep mode for pointers.
4222 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4224 * function.h (regno_reg_rtx): Adjust comment.
4225 * reginfo.c (init_reg_modes_target): Only use the previous mode
4226 if it fits within one register. Remove MIPS comment.
4228 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4231 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4233 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4235 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4236 to srak instruction.
4238 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4240 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4242 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4247 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4249 2012-01-31 Richard Guenther <rguenther@suse.de>
4251 PR tree-optimization/51528
4252 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4255 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4260 * ree.c (add_removable_extension): Change def_map argument
4261 to unsigned *, store in def_map 1 + offset into *insn_list vector
4262 instead of pointers into the vector.
4263 (find_removable_extensions): Adjust caller.
4265 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4267 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4268 Transform all "* quoted-c-code" to { c-code }.
4269 Remove redundant test for "optimize" in combine patterns.
4270 Move (include "avr-dimode.md") to end of file.
4272 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4275 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4276 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4278 2012-01-30 Richard Guenther <rguenther@suse.de>
4280 PR tree-optimization/52028
4281 * tree-loop-distribution.c (ldist_gen): Properly update
4284 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4287 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4288 set_cur_line_info_table if not emitting debug info.
4290 PR tree-optimization/52046
4291 * tree-vect-patterns.c (check_bool_pattern): Give up if
4292 a comparison could throw.
4295 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4297 2012-01-30 Richard Guenther <rguenther@suse.de>
4299 PR tree-optimization/52045
4300 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4301 SSA form if cfgcleanup did anything.
4303 2012-01-30 Richard Guenther <rguenther@suse.de>
4305 PR tree-optimization/52045
4306 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4307 before computing final todo.
4309 2012-01-30 Richard Guenther <rguenther@suse.de>
4311 PR tree-optimization/51528
4312 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4315 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4317 * df-problems.c (df_kill_notes): Check that the use refers
4318 to the note under examination.
4320 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4323 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4324 parameter and use short-lived pseudos.
4325 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4326 (sparc_expand_vector_init): Const-ify local variables and adjust
4327 calls to above functions.
4329 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4331 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4333 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4335 * doc/invoke.texi: Make usage of "compile time" and
4336 "run time"/"runtime" consistent throughout the file.
4338 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4340 * config/alpha/alpha.c (alpha_option_override): Default to
4341 full IEEE compliance mode for Go language.
4343 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4345 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4346 (LINK_SSP_SPEC): Define.
4348 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4351 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4354 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4356 * doc/invoke.texi: Correct hyphenation of "floating point",
4357 "double precision", and related terminology throughout the file.
4359 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4362 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4363 arm_general_register_operand predicate for operand 2 instead of
4366 2012-01-27 Ian Lance Taylor <iant@google.com>
4369 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4370 * builtins.c (expand_builtin_init_trampoline): Add onstack
4371 parameter. Change caller.
4372 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4373 * tree.c (build_common_builtin_nodes): Declare
4374 __builtin_init_heap_trampoline.
4376 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4378 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4379 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4380 * config/avr/avr.c: Ditto.
4381 (avr_regnames): Remove because unused.
4382 * config/avr/avr.md (*cpse.ne): New peephole.
4383 (*cpse.eq): New peephole from former cpse peepholes.
4385 2012-01-27 Michael Eager <eager@eagercon.com>
4387 * config/microblaze.c (microblaze_emit_compare): Correct
4388 test after pcmp instruction.
4390 2012-01-27 Richard Guenther <rguenther@suse.de>
4392 PR tree-optimization/52020
4393 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4395 2012-01-27 Richard Guenther <rguenther@suse.de>
4397 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4398 function non-const/pure.
4400 2012-01-27 Richard Guenther <rguenther@suse.de>
4402 PR tree-optimization/50444
4403 * tree-sra.c (build_ref_for_offset): Properly adjust the
4404 MEM_REF type for unaligned accesses.
4406 2012-01-27 Richard Guenther <rguenther@suse.de>
4408 PR tree-optimization/50444
4409 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4410 (expand_assignment): Use it. Properly handle misaligned
4411 bases when expanding stores to component references.
4412 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4415 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4418 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4419 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4420 * tree-data-ref.c (find_data_references_in_loop): Make static.
4421 (compute_all_dependences): Change return type to bool. Bail out
4422 for too many datarefs in a loop. Move the hunk resetting the data
4423 dependences vector from ...
4424 (compute_data_dependences_for_loop): ... here. Account for
4425 compute_all_dependences returning false.
4426 (compute_data_dependences_for_bb): Likewise.
4427 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4428 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4430 2012-01-27 Richard Guenther <rguenther@suse.de>
4433 * expr.c (store_field): Use the alias-set of the scratch memory
4436 2012-01-27 Tom de Vries <tom@codesourcery.com>
4438 PR tree-optimization/51990
4439 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4441 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4443 2012-01-27 Jakub Jelinek <jakub@redhat.com>
4446 * var-tracking.c (reverse_op): Don't add any reverse operation
4447 if V already has any constant locations.
4449 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4451 * doc/invoke.texi: Correct usage of "command line" (noun)
4452 vs "command-line" (adjective) throughout.
4454 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4456 * doc/invoke.texi (Language Independent Options): Move
4457 -Wcoverage-mismatch blurb from here....
4458 (Warning Options): ...to here.
4460 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
4462 * config/rs6000/rs6000.c (rs6000_option_override_internal):
4463 Set rs6000_always_hint to false for 476.
4465 2012-01-27 Matthias Klose <doko@ubuntu.com>
4467 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4469 * incpath.c (add_standard_paths): Likewise.
4471 2012-01-27 Richard Henderson <rth@redhat.com>
4473 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4474 * config/m68k/sync.md (atomic_test_and_set): Rename from
4475 sync_test_and_setqi and adjust the operands.
4476 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4477 and unconditionally enable.
4479 2012-01-27 Richard Henderson <rth@redhat.com>
4481 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4482 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4483 (ldstub): Rename from ldstubqi.
4484 (ldstub<I24MODE>): Remove.
4486 2012-01-27 Richard Henderson <rth@redhat.com>
4488 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4489 * c-cppbuiltin.c (cpp_atomic_builtins): Define
4490 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4491 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4492 * doc/tm.texi: Rebuild.
4494 2012-01-27 Richard Henderson <rth@redhat.com>
4496 * optabs.c (gen_atomic_test_and_set): Remove default.
4497 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4499 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4501 PR rtl-optimization/51978
4502 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4503 (combine_reaching_defs): Likewise.
4504 (struct re_info): Remove.
4505 (add_removable_extension): Remove x and data arguments,
4506 add insn, insn_list and def_map. Use the arguments directly
4507 instead of using struct re_info.
4508 (find_removable_extensions): Don't call add_removable_extension
4509 through note_stores, instead just call it with single_set
4511 (find_and_remove_re): Pass curr_cand->expr instead of
4512 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4514 2012-01-26 Michael Matz <matz@suse.de>
4516 PR tree-optimization/46590
4517 * cfgexpand.c: Revert last change (r183305).
4518 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4520 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4521 checking for emptiness.
4523 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4526 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4527 non-addressable non-BLKmode base correctly.
4529 2012-01-26 Michael Matz <matz@suse.de>
4531 PR tree-optimization/48794
4532 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4533 regions referenced from RESX/EH_DISPATCH.
4535 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4537 * config/s390/s390.h: Make BRANCH_COST an option.
4538 * config/s390/s390.opt: New option -mbranch-cost.
4540 2012-01-26 Richard Henderson <rth@redhat.com>
4542 Revert 2012-01-24 change:
4543 * trans-mem.c (requires_barrier): Do not instrument thread local
4544 variables and emit save/restore for them.
4546 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4549 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4552 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4554 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4557 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4560 Rename __pgm to __flash.
4561 Rename __pgm1 to __flash1.
4562 Rename __pgm2 to __flash2.
4563 Rename __pgm3 to __flash3.
4564 Rename __pgm4 to __flash4.
4565 Rename __pgm5 to __flash5.
4566 Rename __pgmx to __memx.
4567 * doc/extend.texi (AVR Named Address Spaces)
4568 Rename address space names as indicated above.
4569 * config/avr/avr.c (avr_addrspace): Ditto.
4571 * config/avr/avr-protos.h
4572 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4573 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4574 * config/avr/predicates.md: Ditto.
4575 * config/avr/avr.c Ditto, and
4576 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4577 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4579 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4580 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4581 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4582 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4583 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4584 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4585 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4586 * config/avr/avr.c: Ditto.
4587 * config/avr/avr.md: Ditto.
4589 2012-01-25 Jason Merrill <jason@redhat.com>
4592 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4594 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4596 PR tree-optimization/51987
4597 * tree-data-ref.c (get_references_in_stmt): Handle references in
4598 non-volatile GIMPLE_ASM.
4600 2012-01-25 Richard Guenther <rguenther@suse.de>
4602 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4603 bases are dereferenced.
4605 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4607 PR rtl-optimization/48374
4608 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4610 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4612 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4613 compute_data_dependences_for_loop returns false.
4614 * tree-parloops.c (loop_parallel_p): Likewise.
4616 2012-01-25 Richard Guenther <rguenther@suse.de>
4618 * tree.h (get_pointer_alignment_1): Declare.
4619 * builtins.c (get_pointer_alignment_1): New function.
4620 (get_pointer_alignment): Use it.
4622 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4624 PR rtl-optimization/48308
4625 * combine.c (enum undo_kind): Add UNDO_LINKS.
4626 (struct undo): Add member l to other_contents and where.
4627 (do_SUBST_LINK): New.
4629 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4630 (undo_all): Handle UNDO_LINKS.
4632 2012-01-25 Richard Henderson <rth@redhat.com>
4634 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4637 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4639 * optabs.c (gen_atomic_test_and_set): Use each argument.
4641 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4643 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4644 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4645 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4646 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4647 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4648 TARGET_PAIRED_SINGLE_FLOAT.
4650 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4652 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4653 (in_struct, return_val): Remove MEM documentation.
4654 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4655 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4656 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4658 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4659 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4660 * expr.c (store_field): Likewise.
4661 * function.c (assign_stack_temp_for_type): Likewise.
4662 * ifcvt.c (noce_try_cmove_arith): Likewise.
4663 * reload1.c (reload): Likewise.
4664 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4665 (alpha_set_memflags): Likewise.
4666 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4668 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4670 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4672 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4673 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4674 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4676 * cselib.c (cselib_rtx_varies_p): Delete.
4677 (cselib_invalidate_mem): Update call to canon_true_dependence.
4678 * dse.c (record_store, check_mem_read_rtx): Likewise.
4679 (scan_reads_nospill): Likewise.
4680 * cse.c (check_dependence): Likewise.
4681 (cse_rtx_varies_p): Delete.
4682 * expr.c (safe_from_p): Update call to true_dependence.
4683 * ira.c (validate_equiv_mem_from_store): Likewise.
4684 (memref_referenced_p): Likewise.
4685 * postreload-gcse.c (find_mem_conflicts): Likewise.
4686 * sched-deps.c (sched_analyze_2): Likewise.
4687 * store-motion.c (load_kills_store): Likewise.
4688 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4689 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4690 (compute_transp): Update call to canon_true_dependence.
4692 2012-01-25 Richard Henderson <rth@redhat.com>
4694 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4695 (maybe_emit_atomic_test_and_set): New.
4696 (expand_sync_lock_test_and_set): Use it.
4697 (expand_atomic_test_and_set): Likewise.
4698 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4699 the implementation; clarify implementation defined details.
4700 * doc/md.texi (atomic_test_and_set): Document.
4702 2012-01-25 Richard Henderson <rth@redhat.com>
4704 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4706 2012-01-25 Richard Henderson <rth@redhat.com>
4709 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4710 to effect no-op split.
4712 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4715 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4716 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4717 (BT_FN_VOID_PTR_INT_SIZE): New.
4718 (BT_FN_UINT_UINT_VAR): Remove.
4719 (BT_FN_UINT32_UINT32_VAR): New.
4720 (BT_FN_DOUBLE_VPTR): Remove.
4721 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4723 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4724 (_ITM_changeTransactionMode): Same.
4725 (_ITM_memmoveRtWt): Change return type to void.
4726 (_ITM_memcpyRtWt): Same.
4727 (_ITM_memsetW): Same.
4728 (_ITM_RaRD): Change types to double.
4733 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4735 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4736 Patrick Marlier <patrick.marlier@gmail.com>
4738 * trans-mem.c (requires_barrier): Do not instrument thread local
4739 variables and emit save/restore for them.
4741 2012-01-24 Jason Merrill <jason@redhat.com>
4744 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4745 output static aliases.
4747 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4750 * common.opt (-pie, -shared, pie, shared): Change from Common to
4752 * gcc.c (display_help): Display help for -pie and -shared.
4754 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4757 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4758 Remove note on size/offset limitation.
4759 (AVR Variable Attributes): Add example how to read data located
4760 with progmem. Refer to named address spaces.
4761 * doc/invoke.texi (AVR Options): Fix typo.
4763 2012-01-24 Richard Guenther <rguenther@suse.de>
4765 Forward-port to trunk
4766 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4769 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4770 op0 isn't sufficiently aligned and there is movmisalignM
4771 insn for mode, use it to load op0 into a temporary register.
4773 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4776 * target.def (const_not_ok_for_debug_p): New hook.
4777 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4779 * doc/tm.texi: Regenerated.
4780 * dwarf2out.c (const_ok_for_output_1): If
4781 targetm.const_not_ok_for_debug_p returns true, fail.
4782 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4784 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4786 2012-01-23 Kai Tietz <ktietz@redhat.com>
4789 * config/i386/predicates.md (symbolic_operand): Allow
4790 UNSPEC_PCREL as PIC expression for lea.
4791 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4792 * config/i386/i386.c (ix86_delegitimize_address): Handle
4793 UNSPEC_PCREL for none-MEM, too.
4795 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4797 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4798 (ipa_tm_create_version_alias): Same.
4800 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4803 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4804 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4806 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4807 Patrick Marlier <patrick.marlier@gmail.com>
4808 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4811 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4812 simple_object_start_read.
4814 2012-01-23 Richard Guenther <rguenther@suse.de>
4817 PR tree-optimization/51895
4818 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4819 parameter decomposition into BLKmode components.
4821 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4823 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4824 fake variables for restrict-qualified pointers whose pointed-to type
4825 contains a placeholder.
4827 2012-01-23 Richard Guenther <rguenther@suse.de>
4829 PR tree-optimization/51949
4830 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4832 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4834 PR rtl-optimization/51933
4835 * ree.c (transform_ifelse): Return true right away if dstreg is
4836 already wider or equal to cand->mode.
4837 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4838 (make_defs_and_copies_lists): Remove defs_list and copies_list
4839 arguments, add state argument, just truncate state->work_list
4840 instead of always allocating and freeing the vector. Assert that
4841 get_defs succeeds instead of returning 2. Changed return type to bool.
4842 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4843 have ext_src_mode, see if it has been modified already with the
4844 right kind of extension and has been extended before from the
4845 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4846 just return true. Remember the original mode in state->modified array.
4847 (combine_reaching_defs): Add state argument. Don't allocate and
4848 free here def_list, copied_list and vec vectors, instead just
4849 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4850 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4851 Add state variable, clear vectors in it, initialize state.modified
4852 if needed. Free all the vectors at the end and state.modified too.
4853 Don't skip a candidate if the extension expression has been modified.
4855 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4858 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4859 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4860 (extra_options) interix.opt -> i386/interix.opt"
4861 (extra_objs):Add winnt-stubs.o
4862 * configure.ac: Add interix to target_os .comm on PE check.
4863 * configure: Regenerate.
4864 * config/interix3.h: Delete and move bits to..
4865 * config/interix.h: Delete and move bits to..
4866 * config/i386/i386-interix3.h: Delete and move bits to..
4867 * config/i386/i386-interix.h: ..here.
4868 (TARGET_CPU_DEFAULT): Remove redefinition.
4869 (TARGET_ASM_CONSTRUCTOR): Undefine.
4870 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4871 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4872 (PTRDIFF_TYPE): Define.
4873 (LONG_DOUBLE_TYPE_SIZE): Define.
4874 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4875 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4876 (TARGET_SECTION_TYPE_FLAGS): Define.
4877 (ASM_DECLARE_FUNCTION_NAME): Define.
4878 (ASM_OUTPUT_EXTERNAL): Define.
4879 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4880 (ASM_OUTPUT_ALIGNED_BSS): Define.
4881 (PCC_BITFIELD_TYPE_MATTERS): Define.
4882 (USE_CONST_SECTION): Define.
4883 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4884 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4885 (SUPPORTS_ONE_ONLY): Remove.
4886 (I386_PE_STRIP_ENCODING): Define.
4887 * config/interix.opt: Delete and move bits to..
4888 * config/i386/interix.opt: ..here. New.
4889 (mpe-aligned-commons): Add.
4890 * config/i386/t-interix: Add copyright header.
4891 (winnt-stubs.o): Add rule.
4893 2012-01-22 Jason Merrill <jason@redhat.com>
4896 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4897 for extra name aliases.
4899 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4901 PR rtl-optimization/51924
4902 * ree.c (combine_set_extension): Improve debugging message.
4903 (combine_reaching_defs): Likewise.
4904 (get_defs): Rename confusingly named variable.
4905 (find_and_remove_re): Skip a candidate if the extension expression has
4908 2012-01-21 Robert Millan <rmh@gnu.org>
4909 Gerald Pfeifer <gerald@pfeifer.com>
4911 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4912 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4914 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4916 PR tree-optimization/51914
4917 * tree-vect-stmts.c (vectorizable_conversion): For
4918 cvt_type && modifier == WIDEN, put temporary with cvt_type
4919 at the beginning of vec_dsts and set vec_dest to temporary
4922 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4924 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4926 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4928 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4929 * config/rs6000/rs6000.c: Likewise.
4931 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4934 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4935 output_move_double on a copy of operands array.
4937 2012-01-20 Cary Coutant <ccoutant@google.com>
4938 Dodji Seketeli <dodji@redhat.com>
4941 * dwarf2out.c (copy_declaration_context): Return ref to parent
4942 of declaration DIE, if necessary.
4943 (remove_child_or_replace_with_skeleton): Add new parameter; update
4944 caller. Place skeleton DIE under parent DIE of original declaration.
4945 Move call to copy_declaration_context to here ...
4946 (break_out_comdat_types): ... from here.
4948 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4950 PR rtl-optimization/51856
4951 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4954 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4957 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4958 hints for neon loads and stores.
4960 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4964 * doc/extend.texi (Named Address Spaces): Split into subsections.
4965 (AVR Named Address Spaces): New subsection.
4966 (M32C Named Address Spaces): New subsection.
4967 (RL78 Named Address Spaces): New subsection.
4968 (SPU Named Address Spaces): New subsection.
4969 (Variable Attributes): New anchor "AVR Variable Attributes".
4970 (AVR Variable Attributes): Rewrite and avoid wording
4971 "address space" in this context.
4972 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4973 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4974 (AVR Built-in Macros): New subsubsection therein.
4975 * doc/md.texi (AVR constraints): Remove "C04", "R".
4977 2012-01-20 Richard Guenther <rguenther@suse.de>
4979 PR tree-optimization/51903
4980 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4981 when removing stmts.
4983 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4986 * config/arm/arm.c (arm_load_pic_register): Use
4987 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4988 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4989 (arm_pic_static_addr): Likewise.
4990 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4991 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4992 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4993 (pic_load_addr_unified): New.
4995 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4998 * function.c (instantiate_virtual_regs_in_insn): Use
4999 delete_insn_and_edges when removing a wrong asm insn.
5001 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5003 PR rtl-optimization/40761
5004 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5005 Add new member loop_num.
5006 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5007 (ira_build): Remove the parameter.
5009 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5010 (ira.c): Do not build CFG loops for one region allocation. Remove
5011 argument from ira_build call.
5013 * ira-build.c (init_loop_tree_node): New function.
5014 (create_loop_tree_nodes): Use it. Separate the case when CFG
5015 loops are not built.
5016 (more_one_region_p): Check current_loops.
5017 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5019 (add_loop_to_tree): Process loop equal to NULL too.
5020 (form_loop_tree): Separate the case when CFG loops are not built.
5021 Use explicitly number for the root.
5022 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5024 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5025 instead of loop->num.
5026 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5027 (mark_all_loops_for_removal): Ditto.
5028 (remove_unnecessary_regions): Separate the case when CFG loops
5030 (ira_build): Remove the parameter. Use explicit number of regions
5031 when CFG loops are not built.
5033 * ira-color.c (print_loop_title): Separate the case for the root node.
5034 Use loop_num instead of loop->num.
5035 (move_spill_restore): Use loop_num instead of loop->num.
5037 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5038 (change_loop): Ditto.
5039 (change_loop): Use loop_num instead of loop->num.
5041 * ira-lives.c (process_bb_node_lives): Ditto.
5043 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5045 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5047 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5050 * tree-mudflap.c (mf_artificial): New function.
5051 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5052 mx_register_decls, mudflap_enqueue_decl): Use it.
5055 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5056 numbers in the insn pattern.
5058 2012-01-19 Michael Matz <matz@suse.de>
5060 PR tree-optimization/46590
5061 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5062 use it in remembering which conflicts we already created.
5063 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5066 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5069 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5070 (merge_and_complain): Same.
5072 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5075 * config/initfini-array.h: Guard content of the header
5076 with #ifdef HAVE_INITFINI_ARRAY.
5077 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5078 Add initfini-array.h to tm_file here.
5079 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5080 * config.gcc: Don't add initfini-array.h to tm_file here.
5081 * configure: Regenerated.
5083 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5085 PR rtl-optimization/51505
5086 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5087 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5088 (df_note_bb_compute): Update the call to df_kill_notes.
5090 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5092 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5094 2012-01-18 Richard Guenther <rguenther@suse.de>
5096 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5097 of conversions to void *.
5099 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5100 Richard Sandiford <rdsandiford@googlemail.com>
5104 * optabs.h (simplify_expand_binop): Declare.
5105 * optabs.c (simplify_expand_binop): Make global.
5106 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5107 endian targets if the source cannot be exactly covered by word
5110 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5113 * hard-reg-set.h (struct hard_reg_set_container): New type.
5114 * target.h (struct hard_reg_set_container): Forward declare.
5115 * target.def (set_up_by_prologue): New target hook.
5116 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5117 * doc/tm.texi: Regenerated.
5118 * function.c (thread_prologue_and_epilogue_insns): Change
5119 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5120 Call targetm.set_up_by_prologue on it.
5121 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5122 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5124 2012-01-17 Nick Clifton <nickc@redhat.com>
5126 * config/rx/rx.c (rx_can_use_simple_return): New function.
5127 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5128 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5130 2012-01-17 Richard Guenther <rguenther@suse.de>
5133 * expr.c (expand_assignment): Take address-space information
5134 from the address operand of MEM_REF and TARGET_MEM_REF.
5135 (expand_expr_real_1): Likewise.
5137 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5139 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5140 reload dump is requested.
5142 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5145 * trans-mem.c (requires_barrier): Call may_be_aliased.
5147 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5149 PR tree-optimization/51877
5150 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5151 call arguments and fndecls compare equal, instead return false if they
5152 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5153 both SSA_NAMEs that are valueized the same, or they satisfy
5156 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5158 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5160 * configure: Regenerate.
5162 2012-01-16 Jan Hubicka <jh@suse.cz>
5166 * convert.c (convert_to_integer): Use fold_convert for
5167 converting an INTEGER_CST to integer type.
5169 2012-01-16 Jason Merrill <jason@redhat.com>
5172 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5174 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5177 * config/s390/s390.c (s390_chunkify_start): Don't skip
5178 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5179 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5180 If insn is followed by NOTE_INSN_VAR_LOCATION or
5181 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5182 Don't use location of note insns.
5184 PR tree-optimization/51865
5185 * tree-inline.c (tree_function_versioning): Call remap_decl
5186 on DECL_RESULT whenever it has VOID_TYPE_P type.
5188 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5190 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5191 for calls to locally-binding MIPS16 functions if only the return
5192 type uses float regs.
5194 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5195 Richard Sandiford <rdsandiford@googlemail.com>
5197 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5198 (SYMBOL_32_HIGH): Likewise.
5199 (mips_output_tls_reloc_directive): Declare.
5200 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5201 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5202 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5203 (mips_lo_relocs, mips_hi_relocs): Make extern.
5204 (mips16_stub_function): Move up file.
5205 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5206 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5207 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5208 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5209 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5210 (mips_get_tp): Add MIPS16 support.
5211 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5212 Generalize DTPREL and TPREL handling.
5213 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5214 Add MIPS16 TLS support.
5215 (mips_output_tls_reloc_directive): New function.
5216 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5217 * config/mips/predicates.md (symbolic_operand_with_high)
5218 (tls_reloc_operand): New predicates.
5219 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5220 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5221 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5222 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5223 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5224 (*tls_get_tp_mips16_call_<mode>): Likewise.
5226 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5228 PR rtl-optimization/51821
5229 * recog.c (peep2_find_free_register): Determine clobbered registers
5232 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5235 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5236 * config/avr/avr.c: Likewise.
5237 * config/avr/avr.h: Likewise.
5239 2012-01-13 Ian Lance Taylor <iant@google.com>
5242 * tree.h (TYPE_QUALS): Add cast to int.
5243 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5245 2012-01-13 Ian Lance Taylor <iant@google.com>
5247 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5248 comparing param_index to VEC_length result.
5250 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5252 * c-decl.c: Do not include tree-mudflap.h
5253 * tree-optimize.c: Likewise.
5254 * Makefile.in: Update dependencies.
5256 2012-01-13 Richard Guenther <rguenther@suse.de>
5259 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5260 variable-sized result always use RSO.
5262 2012-01-12 DJ Delorie <dj@redhat.com>
5264 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5265 pointer type, not just the default pointer type.
5267 2012-01-09 Richard Henderson <rth@redhat.com>
5268 Denis Chertykov <chertykov@gmail.com>
5271 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5272 * config/avr/avr.c (avr_can_eliminate): Simplify.
5273 (avr_initial_elimination_offset): Likewise.
5274 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5275 (expand_epilogue): Likewise.
5276 (avr_legitimize_address): Gut.
5277 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5278 (avr_hard_regno_nregs): New.
5279 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5280 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5281 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5282 add soft frame pointer.
5283 (CALL_USED_REGISTERS): Likewise.
5284 (REG_CLASS_CONTENTS): Likewise.
5285 (REGISTER_NAMES): Likewise.
5286 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5287 (HARD_FRAME_POINTER_REGNUM): New.
5288 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5289 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5290 remove the HARD_FRAME_POINTER self-elimination.
5292 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5295 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5296 DECL_EXTERNAL when checking for initializers of progmem variables.
5298 2012-01-12 Ira Rosen <irar@il.ibm.com>
5300 PR tree-optimization/51799
5301 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5302 that the last operation is a type demotion.
5304 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5306 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5307 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5309 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5312 * combine.c (distribute_notes): If i3 is a noreturn call,
5313 allow old_size to be equal to args_size and make sure the
5314 noreturn call gets REG_ARGS_SIZE note.
5315 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5316 on noreturn calls even when the delta is 0.
5318 2012-01-11 Nathan Sidwell <nathan@acm.org>
5320 * gcov.c (STRING_SIZE): Remove.
5321 (generate_results): Erase annotations for source files with no
5322 coverage information.
5324 (output_lines): Use it.
5326 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5328 * gimple.h (gimplify_body): Remove first argument.
5329 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5330 pointer set here, instead just pass DATA to walk_tree.
5331 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5332 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5333 (unvisit_body): Likewise, but with unmark_visited.
5334 (gimplify_body): Remove BODY_P argument and adjust.
5335 (gimplify_function_tree): Adjust call to gimplify_body.
5336 * omp-low.c (finalize_task_copyfn): Likewise.
5338 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5340 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5341 (build_function_type_skip_args): Delete.
5342 * tree.c (build_function_type_skip_args): Make static and add
5343 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5344 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5345 pass it to build_function_type_skip_args.
5346 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5347 (tree_function_versioning): Likewise.
5348 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5349 build_function_decl_skip_args.
5350 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5351 and pass it to build_function_decl_skip_args/tree_function_versioning.
5352 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5353 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5354 * trans-mem.c (ipa_tm_create_version): Likewise.
5355 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5356 * tree-inline.c (declare_return_variable): Remove always-true test.
5357 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5358 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5359 * ipa-split.c (split_function): Skip the return value for the split
5360 part if it doesn't return.
5362 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5364 PR tree-optimization/49642
5365 * ipa-split.c (forbidden_dominators): New variable.
5366 (check_forbidden_calls): New function.
5367 (dominated_by_forbidden): Likewise.
5368 (consider_split): Check for forbidden dominators.
5369 (execute_split_functions): Initialize and free forbidden
5370 dominators info; call check_forbidden_calls.
5372 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5374 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5376 2012-01-11 Nick Clifton <nickc@redhat.com>
5378 * config/rx/rx.md (return): Define pattern.
5380 2012-01-11 Richard Guenther <rguenther@suse.de>
5382 * doc/extend.texi (malloc attribute): Adjust according to
5385 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5386 Patrick Marlier <patrick.marlier@gmail.com>
5389 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5390 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5391 (ipa_tm_note_irrevocable): Same.
5392 (ipa_tm_scan_irr_block): Same.
5393 (ipa_tm_decrement_clone_counts): Same.
5394 (ipa_tm_scan_irr_function): Same.
5395 (ipa_tm_create_version_alias): Same.
5396 (ipa_tm_create_version): Same.
5397 (ipa_tm_transform_calls_redirect): Same.
5398 (ipa_tm_transform_calls): Same.
5399 (ipa_tm_transform_transaction): Same.
5400 (ipa_tm_execute): Same.
5402 2012-01-10 Richard Guenther <rguenther@suse.de>
5405 * opts.c (common_handle_option): Handle -Werror.
5407 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5409 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5412 2012-01-10 Jason Merrill <jason@redhat.com>
5414 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5417 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5419 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5420 supports R_386_TLS_GD_PLT reloc.
5421 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5422 supports R_386_TLS_LDM_PLT reloc.
5423 * configure: Regenerate.
5424 * config.in: Regenerate.
5426 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5429 Extend __pgmx semantics to linearize memory.
5430 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5431 determine if code comes inline or from libgcc.
5432 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5433 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5434 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5435 (movmemx_qi, movmemx_hi): New insns.
5436 (xload_<mode>_libgcc): Rewrite to new insn condition.
5437 (xload_<mode>): Remove insns.
5438 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5439 cases that don't satisfy avr_xload_libgcc_p().
5440 (avr_addr_space_convert): Allow converting in any direction.
5441 (avr_addr_space_subset_p): Return always true.
5442 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5443 (avr_emit_movmemhi): Ditto.
5444 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5445 (avr_out_movmem): Ditto.
5446 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5447 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5448 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5449 (avr_encode_section_info): Encode 'progmem' in symbol flags.
5450 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5452 2012-01-10 Richard Guenther <rguenther@suse.de>
5454 PR tree-optimization/50913
5455 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5456 Require data-refs to be representable by Graphite with respect
5459 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
5461 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5462 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5464 2012-01-10 Tom de Vries <tom@codesourcery.com>
5466 PR rtl-optimization/51271
5467 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5468 handling annulled branch.
5470 2012-01-10 Richard Henderson <rth@redhat.com>
5472 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5473 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5474 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5475 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5476 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5477 arm_expand_vec_perm_const): New.
5478 * config/arm/arm-protos.h: Update.
5479 * config/arm/neon.md (UNSPEC_VCONCAT): New.
5480 (*neon_vswp<VDQX>): New.
5481 (neon_vcombine<VDX>): Use neon_split_vcombine.
5482 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5483 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5484 (vec_perm<VE>): New.
5486 2012-01-10 Richard Henderson <rth@redhat.com>
5488 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5489 use it if reload_completed.
5490 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5491 arm_output_asm_insn, arm_process_output_memory_barrier,
5492 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5493 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5494 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5495 arm_process_output_sync_insn, arm_output_sync_insn,
5496 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5497 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5498 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5499 (emit_unlikely_jump): New.
5500 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5501 (arm_split_atomic_op): New.
5502 * config/arm/arm-protos.h: Update.
5503 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5504 (struct arm_sync_generator): Remove.
5505 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5506 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5507 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5508 (VUNSPEC_LL, VUNSPEC_SC): New.
5509 (sync_result, sync_memory, sync_required_value, sync_new_value,
5510 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5511 (attr length): Don't use arm_sync_loop_insns.
5512 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5513 (movsfcc, movdfcc): Likewise.
5514 * config/arm/constraints.md (Ua): New.
5515 * config/arm/prediates.md (mem_noofs_operand): New.
5516 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5517 (sync_clobber, sync_t2_reqd): Remove.
5518 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5519 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5520 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5521 (arm_sync_compare_and_swap<SIDI>): Remove.
5522 (arm_sync_compare_and_swap<NARROW>): Remove.
5523 (arm_sync_lock_test_and_set<SIDI>): Remove.
5524 (arm_sync_lock_test_and_set<NARROW>): Remove.
5525 (arm_sync_new_<syncop><SIDI>): Remove.
5526 (arm_sync_new_<syncop><NARROW>): Remove.
5527 (arm_sync_new_nand<SIDI>): Remove.
5528 (arm_sync_new_nand<NARROW>): Remove.
5529 (arm_sync_old_<syncop><SIDI>): Remove.
5530 (arm_sync_old_<syncop><NARROW>): Remove.
5531 (arm_sync_old_nand<SIDI>): Remove.
5532 (arm_sync_old_nand<NARROW>): Remove.
5533 (*memory_barrier): Merge arm_output_memory_barrier.
5534 (atomic_compare_and_swap<QHSD>): New.
5535 (atomic_compare_and_swap<NARROW>_1): New.
5536 (atomic_compare_and_swap<SIDI>_1): New.
5537 (atomic_exchange<QHSD>): New.
5538 (cas_cmp_operand, cas_cmp_str): New.
5539 (atomic_op_operand, atomic_op_str): New.
5540 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5541 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5542 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5543 (arm_load_exclusive<NARROW>): New.
5544 (arm_load_exclusivesi, arm_load_exclusivedi): New.
5545 (arm_store_exclusive<QHSD>): New.
5547 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5549 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5550 reload patterns if -mvsx-scalar-memory.
5552 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5553 generated, even -mno-vsx-scalar-double was used.
5554 (vsx_xscvdpsp_scalar): Likewise.
5555 (vsx_xscvspdp_scalar2): Likewise.
5557 2012-01-09 Tom de Vries <tom@codesourcery.com>
5558 Andrew Pinski <apinski@cavium.com>
5561 * reorg.c (fill_slots_from_thread): Don't speculate
5562 frame-related insns.
5564 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5566 * sched-int.h (bb_note): Move to...
5567 * basic-block.h: ...here.
5568 * haifa-sched.c (bb_note): Move to...
5569 * cfgrtl.c: ...here.
5570 * function.c (next_block_for_reg): New function.
5571 (move_insn_for_shrink_wrap): Likewise.
5572 (prepare_shrink_wrap): Rewrite to use the above.
5574 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5576 * gimple.c (is_gimple_non_addressable): Remove.
5577 * gimple.h: Remove is_gimple_non_addressable.
5578 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5579 is_gimple_non_addressable.
5580 * trans-mem.c (expand_assign_tm): Same.
5582 2012-01-09 Richard Guenther <rguenther@suse.de>
5584 PR tree-optimization/51775
5585 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5586 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5588 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5590 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5592 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5594 2012-01-09 Richard Guenther <rguenther@suse.de>
5596 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5598 2012-01-08 Jan Hubicka <jh@suse.cz>
5600 PR tree-optimize/51680
5601 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5602 on when known_vals needs to be computed; cleanup.
5604 2012-01-08 Jan Hubicka <jh@suse.cz>
5606 PR tree-optimize/51694
5607 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5609 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5611 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5612 for -std=c++98 and -std=c++11 too.
5614 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5616 * cfgloop.c (cancel_loop): Add free() of bbs array.
5618 2012-01-07 Jan Hubicka <jh@suse.cz>
5620 PR tree-optimization/51600
5621 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5622 that benefits small functions.
5624 2012-01-07 Jan Hubicka <jh@suse.cz>
5626 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5628 2012-01-07 Jan Hubicka <jh@suse.cz>
5630 PR tree-optimization/51680
5631 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5632 whose inlining reduce unit size.
5634 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5637 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5638 Add canonical node to containing_mem chain after the non-canonical
5639 one, even if there weren't any locs to propagate.
5640 (remove_useless_values): Keep only canonical values.
5641 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5642 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5643 canonicalize mem_chain elements that are not discarded.
5645 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5648 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5649 before emitting functions.
5651 PR gcov-profile/50127
5652 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5653 clear_aux_for_blocks.
5655 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5658 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5660 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5662 * c-decl.c (ext_block): Moved up.
5663 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5665 2012-01-06 Han Shen <shenhan@google.com>
5667 Translate built-in include paths for sysroot.
5668 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5669 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5671 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5672 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5674 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5675 control whether sysroot should be prepended to gxx include dir.
5677 * configure: Regenerate.
5679 2012-01-06 Torvald Riegel <triegel@redhat.com>
5681 PR rtl-optimization/51771
5682 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5683 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5685 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5687 PR tree-optimization/51315
5688 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5689 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5691 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5694 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5695 for shrp pattern. Correctly handle and fixup shift variable.
5696 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5698 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5701 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5702 note when !ACCUMULATE_OUTGOING_ARGS.
5704 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5706 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5708 (extract_range_from_unary_expr_1): Avoid useless computations.
5710 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5712 PR rtl-optimization/51767
5713 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5714 of jump_block and add an extra edge for degenerated asm gotos.
5717 * stmt.c (check_unique_operand_names): Don't ICE during error
5718 reporting if i is from labels chain.
5721 * profile.c (branch_prob): Split bbs that have exit edge
5722 and need a fake entry edge too.
5724 2012-01-05 Jan Hubicka <jh@suse.cz>
5727 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5730 2012-01-05 Richard Guenther <rguenther@suse.de>
5733 * tree-streamer-out.c (write_ts_optimization): New function.
5734 (streamer_write_tree_body): Call it.
5735 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5736 (streamer_read_tree_body): Call it.
5737 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5739 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5742 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5743 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5744 in_cleanup_point_expr before gimplify_stmt call and restore it
5746 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5747 in_cleanup_point_expr is false.
5749 2012-01-05 Richard Guenther <rguenther@suse.de>
5752 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5754 * toplev.c (process_options): Reject combining mudflap and LTO.
5755 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5757 2012-01-05 Richard Guenther <rguenther@suse.de>
5759 PR tree-optimization/51760
5760 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5762 (bit_value_unop): Handle UNDEFINED operands.
5763 (bit_value_binop): Likewise.
5765 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5767 * config/avr/avr.c (avr_replace_prefix): Remove.
5768 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5769 (avr_asm_function_rodata_section): Ditto.
5770 (avr_asm_select_section): Ditto.
5772 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5774 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5777 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5780 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5781 calls that have any non-fake successor edges.
5784 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5786 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5788 PR tree-optimization/51624
5789 * tree-sra.c (build_ref_for_model): When replicating a chain of
5790 COMPONENT_REFs, stop as soon as the offset would become negative.
5792 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5795 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5796 in .debug_loc on the floor.
5798 2012-01-04 Andrew Pinski <apinski@cavium.com>
5800 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5802 2012-01-04 Andrew Pinski <apinski@cavium.com>
5803 Adam Nemet <anemet@caviumnetworks.com>
5805 * config/mips/mips.md (size): Add SI and DI.
5806 (SIZE): New mode attribute.
5807 (U): New code attribute.
5808 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5809 (mips_lbux_<mode>): Delete.
5810 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5811 (mips_lhx): Use gen_mips_lhx_extsi.
5812 (mips_lhx_<mode>): Delete.
5814 (mips_l<size>x): New expand.
5815 (mips_lwx_<mode>): Delete.
5816 (mips_l<GPR:size>x_<P:mode>): New pattern.
5817 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5818 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5819 * config/mips/mips.c (mips_lx_address_p): New function.
5820 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5821 (dsp64): New availability predicate.
5822 (mips_builtins): Add an entry for __builtin_mips_ldx.
5823 * config/mips/mips.h (ISA_HAS_LBX): New define.
5824 (ISA_HAS_LBUX): Likewise.
5825 (ISA_HAS_LHX): Likewise.
5826 (ISA_HAS_LHUX): Likewise.
5827 (ISA_HAS_LWX): Likewise.
5828 (ISA_HAS_LWUX): Likewise.
5829 (ISA_HAS_LDX): Likewise.
5830 * doc/extend.texi (__builtin_mips_ldx): Document.
5832 2012-01-04 Tristan Gingold <gingold@adacore.com>
5834 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5835 when long pointers are used.
5836 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5837 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5838 (ia64-hp-*vms*): Remove.
5839 * config/vms/xm-vms64.h: Delete.
5841 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5844 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5846 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5848 * opts.c (finish_options): Remove duplicate sorry.
5850 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5853 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5856 2012-01-04 Richard Guenther <rguenther@suse.de>
5859 * tree.c (size_low_cst): New function.
5860 * tree.h (size_low_cst): Declare.
5861 * fold-const.c (fold_comparison): Use it to extract the low
5862 part of the POINTER_PLUS_EXPR offset.
5864 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5866 Fix clearing ZERO_REG
5867 * config/avr/avr.md (cc): Add alternative "ldi".
5868 (movqi_insn): Use it in cc attribute.
5869 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5870 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5871 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5873 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5875 * configure: Regenerate.
5877 2012-01-04 Richard Guenther <rguenther@suse.de>
5879 PR tree-optimization/49651
5880 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5881 (var_can_have_subvars): Use it.
5882 (get_constraint_for_1): Only consider subfields if there can be any.
5884 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5887 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5888 to its new canonical_cselib_val and the cselib_val was in
5889 first_containing_mem chain, but the canonical_cselib_val was not,
5890 add the latter into the chain.
5891 (cselib_invalidate_mem): Compare canonical_cselib_val of
5892 addr_list chain elt with v.
5895 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5896 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5898 (output_macinfo_op): Don't ggc_strdup fd->filename.
5899 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5900 then ggc_strdup it. Don't free inc->info or cur->info.
5901 (output_macinfo): Don't free ref->info or file->info.
5903 2012-01-03 Ira Rosen <irar@il.ibm.com>
5905 PR tree-optimization/51269
5906 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5907 first_niters a pointer.
5908 (slpeel_tree_peel_loop_to_edge): Likewise.
5909 (vect_do_peeling_for_loop_bound): Update call to
5910 slpeel_tree_peel_loop_to_edge.
5911 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5912 here. Remove it from the parameters list.
5913 (vect_do_peeling_for_alignment): Update calls and compute
5916 2012-01-03 Richard Guenther <rguenther@suse.de>
5918 PR tree-optimization/51070
5919 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5920 Properly handle calls.
5922 2012-01-03 Richard Guenther <rguenther@suse.de>
5924 PR tree-optimization/51692
5925 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5926 the LHS of allocation stmts.
5928 2012-01-03 Olivier Hainque <hainque@adacore.com>
5930 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5932 2012-01-03 Olivier Hainque <hainque@adacore.com>
5934 * collect2.c (main): In AIX specific computations for vector
5935 insertions, use CONST_CAST2 to cast from char ** to const char **.
5937 2012-01-03 Richard Guenther <rguenther@suse.de>
5940 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5941 the context of a limbo DIE when it does not already exist.
5943 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5945 PR tree-optimization/51719
5946 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5947 but direct call is, clear direct call's lhs and don't add fallthrough
5948 edge from dcall_bb to join_bb and PHIs.
5950 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5952 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5953 the instructions emitted by the pattern.
5954 ("*TDC_insn_<mode>"): Add comment.
5956 2012-01-03 Richard Guenther <rguenther@suse.de>
5959 * fold-const.c (fold_comparison): Properly canonicalize
5960 tree offset and HOST_WIDE_INT bit position.
5962 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5964 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5965 operands for extzv pattern.
5967 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5970 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5973 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5975 * doc/invoke.texi (-flto and related options): Copy-edit.
5977 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5979 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5981 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5983 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5986 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5988 * expr.h (move_by_pieces_ninsns): Declare.
5989 * expr.c (move_by_pieces_ninsns): Make external.
5990 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5991 (mips_store_by_pieces_p): Likewise.
5992 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5993 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5994 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5995 (mips_store_by_pieces_p): Likewise.
5997 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5999 * passes.c (register_one_dump_file): Free full_name.
6001 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6002 (calculate_elim_costs_all_insns): Free offsets_at and
6003 offsets_known_at at the end and clear the pointers.
6005 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6007 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6008 this option introduced in r180739.
6010 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6013 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6014 (tmake_file target=avr): Add avr/t-multilib.
6016 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6017 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6018 * config/avr/genmultilib.awk: New file.
6019 * config/avr/t-multilib: New auto-generated file.
6020 * config/avr/multilib.h: New auto-generated file.
6021 * config/avr/t-avr (AVR_MCUS): New variable.
6022 (genopt.sh): Use it.
6023 (s-mlib): Depend on t-multilib.
6024 (t-multilib, multilib.h): New dependencies.
6025 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6026 (MULTILIB_OPTIONS): Remove.
6027 (MULTILIB_MATCHES): Remove.
6028 (MULTILIB_DIRNAMES): Remove.
6029 (MULTILIB_EXCEPTIONS): Remove:
6030 * config/avr/genopt.sh: Don't use hard coded file name;
6031 pass AVR_MCUS from t-avr instead.
6033 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6035 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6037 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6039 Implement light-weight DImode support.
6040 * config/avr/avr-dimode.md: New file.
6041 * config/avr/avr.md: Include it.
6042 (adjust_len): Add plus64, compare64.
6043 (HIDI): Remove code iterator.
6044 (code_stdname): New code attribute.
6045 (rotx, rotsmode): Remove DI.
6046 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6048 * config/avr/avr-protos.h (avr_have_dimode): New.
6049 (avr_out_plus64, avr_out_compare64): New.
6050 * config/avr/avr.c (avr_out_compare): Handle DImode.
6051 (avr_have_dimode): New variable definition and initialization.
6052 (avr_out_compare64, avr_out_plus64): New functions.
6053 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6054 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6055 (avr_compare_pattern): Skip DImode comparisons.
6057 2012-01-02 Revital Eres <revital.eres@linaro.org>
6059 * ddg.c (def_has_ccmode_p): New function.
6060 (add_cross_iteration_register_deps,
6061 create_ddg_dep_from_intra_loop_link): Call it.
6063 2012-01-02 Richard Guenther <rguenther@suse.de>
6066 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6068 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6070 * gcc.c (process_command): Update copyright notice dates.
6071 * gcov.c (print_version): Likewise.
6072 * gcov-dump.c (print_version): Likewise.
6073 * mips-tfile.c (main): Likewise.
6074 * mips-tdump.c (main): Likewise.
6076 2012-01-01 Ira Rosen <irar@il.ibm.com>
6078 PR tree-optimization/51704
6079 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6080 a use is inside the basic block or loop before accessing its vect info.
6082 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6084 PR rtl-optimization/51069
6085 * cfgloopmanip.c (remove_path): Removing path making irreducible
6086 region unconditional makes BB part of the region.
6088 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6090 PR tree-optimization/51683
6091 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6092 calls with side-effects.
6093 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6095 Copyright (C) 2012 Free Software Foundation, Inc.
6097 Copying and distribution of this file, with or without modification,
6098 are permitted in any medium without royalty provided the copyright
6099 notice and this notice are preserved.