1 2012-08-27 Walter Lee <walt@tilera.com>
4 2012-08-27 Walter Lee <walt@tilera.com>
6 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
7 atomic_exchange_bare<mode>,
8 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
9 * config/tilegx/tilegx-generic.md (X1_remote): New
11 * config/tilegx/tilegx.md (type): Add X1_remove.
12 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
13 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
14 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
17 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
19 PR rtl-optimization/54088
20 * jump.c (delete_related_insns): Robustify latest change.
22 2012-08-21 Richard Guenther <rguenther@suse.de>
24 Backport from mainline
25 2012-08-16 Richard Guenther <rguenther@suse.de>
28 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
30 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
31 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
32 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
33 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
34 (tree_ssa_lim_finalize): Free all mem_refs.
35 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
37 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
38 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
39 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
42 2012-08-17 Richard Guenther <rguenther@suse.de>
44 * tree-sra.c (modify_function): Free redirect_callers vector.
45 * ipa-split.c (split_function): Free args_to_pass vector.
46 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
48 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
49 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
50 (vect_analyze_slp_instance): Free everything.
51 (destroy_bb_vec_info): Free the SLP instances.
53 2012-08-17 Richard Guenther <rguenther@suse.de>
55 * params.def (integer-share-limit): Decrease from 256 to 251,
58 2012-08-21 Richard Guenther <rguenther@suse.de>
60 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
61 the affine expansion cache.
63 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
66 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
69 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
71 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
73 Backport from mainline.
74 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
77 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
78 mark as predicable. Adjust asm template.
79 (vec_setv2di_internal): Likewise.
80 (vec_extract<mode> VD, VQ): Likewise.
81 (vec_extractv2di): Likewise.
82 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
83 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
84 (neon_vdup_n<mode> VX, V32): Likewise.
85 (neon_vdup_nv2di): Likewise.
87 2012-08-17 Walter Lee <walt@tilera.com>
89 Backport from mainline
90 2012-08-17 Walter Lee <walt@tilera.com>
92 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
93 (FEEDBACK_ENTER): Define.
94 (FEEDBACK_REENTER): Define.
95 (FEEDBACK_ENTRY): Define.
96 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
97 (FEEDBACK_ENTER): Define.
98 (FEEDBACK_REENTER): Define.
99 (FEEDBACK_ENTRY): Define.
101 2012-08-16 Walter Lee <walt@tilera.com>
103 Backport from mainline
104 2012-08-16 Walter Lee <walt@tilera.com>
106 * config.gcc (tilegx-*-linux*): Add feedback.h.
107 (tilepro-*-linux*): Likewise.
108 * config/tilegx/feedback.h: New file.
109 * config/tilepro/feedback.h: New file.
111 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
113 Backport from mainline r189840 and r187586:
114 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
116 * config/i386/i386.md (stack_protect_set): Disable the pattern
117 for Android since Android libc (bionic) does not provide random
118 value for stack protection guard at gs:0x14. Guard value
119 will be provided from external symbol (default implementation).
120 (stack_protect_set_<mode>): Likewise.
121 (stack_protect_test): Likewise.
122 (stack_protect_test_<mode>): Likewise.
123 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
124 not have Bionic by default
125 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
126 Macro OPTION_BIONIC is defined in this file and provides Bionic
129 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
131 * configure.ac: Stack protector enabling for Android targets.
132 * configure: Regenerate.
134 2012-08-13 Jakub Jelinek <jakub@redhat.com>
136 Backported from trunk
137 2012-07-19 Jakub Jelinek <jakub@redhat.com>
139 PR rtl-optimization/53942
140 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
141 directly from likely spilled non-fixed hard registers, move them
144 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
146 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
147 (xop_phaddubq): Ditto.
149 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
151 Backport from mainline
152 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
153 Richard Earnshaw <rearnsha@arm.com>
155 * target.def (vector_alignment): New target hook.
156 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
157 * doc/tm.texi: Regenerate.
158 * targhooks.c (default_vector_alignment): New function.
159 * targhooks.h (default_vector_alignment): Add prototype.
160 * stor-layout.c (layout_type): Use targetm.vector_alignment.
161 * config/arm/arm.c (arm_vector_alignment): New function.
162 (TARGET_VECTOR_ALIGNMENT): Define.
164 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
165 vector type alignment instead of size.
166 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
167 element type size directly instead of computing it from alignment.
168 Fix variable naming and comment.
170 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
172 Backport from mainline
173 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
175 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
176 (alpha_pad_function_end): ... this. Also insert NOP between
177 sibling call and GP load.
178 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
180 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
182 Backport from mainline
183 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
184 H.J. Lu <hongjiu.lu@intel.com>
186 PR rtl-optimization/54157
187 * combine.c (gen_lowpart_for_combine): Don't return identity
188 for CONST or symbolic reference.
190 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
192 Backport from mainline
193 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
195 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
196 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
197 split_cost argument signed.
198 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
199 (ix86_avoid_lea_for_addr): Ditto.
201 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
203 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
204 the address has less than two components.
206 2012-08-02 Steve Ellcey <sellcey@mips.com>
208 Backport from mainline
209 2012-07-19 Steve Ellcey <sellcey@mips.com>
211 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
214 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
216 Backport from mainline
217 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
220 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
221 negative constant address for TARGET_X32 ...
222 (ix86_decompose_address): ... here. Reject constant addresses
223 that don't satisfy x86_64_immediate_operand predicate.
225 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
228 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
229 * config/i386/i386.c (ix86_print_operand_address): Ditto.
230 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
231 addresses. Prevent zero extensions of CONST_INT operands.
233 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
236 * config/i386/i386.md (*lea): New insn pattern.
238 (*lea<mode>_2): Ditto.
239 (*lea_{3,4,5,6}_zext): Ditto.
240 * config/i386/predicates.md (lea_address_operand): Do not reject
241 zero-extended address operands.
242 * config/i386/constraints.md (j): Remove address constraint.
243 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
245 (ix86_print_operand_address): Handle SImode subreg of an address.
246 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
248 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
250 Backport from mainline
251 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
254 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
255 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
257 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
258 (*movdi_internal_rex64): Use %E operand modifier for lea.
259 (*movsi_internal): Ditto.
261 (*lea<mode>_2): Ditto.
262 (*lea_{3,4,5,6}_zext): Ditto.
263 (*tls_global_dynamic_32_gnu): Ditto.
264 (*tls_global_dynamic_64): Ditto.
265 (*tls_dynamic_gnu2_lea_32): Ditto.
266 (*tls_dynamic_gnu2_lea_64): Ditto.
267 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
269 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
271 Backport from mainline
272 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
274 * config/i386/i386.c (ix86_address_subreg_operand): Reject
276 (ix86_print_operand_address): Assert that parts.base and parts.index
277 are non-NULL after call to simplify_subreg.
279 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
282 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
284 * config/sh/sh.c (sh_option_override): Do not change
285 flag_finite_math_only. Set TARGET_IEEE to complement of
286 flag_finite_math_only.
287 * doc/invoke.texi (SH options): Add mno-ieee. Correct
288 description of mieee and mno-ieee behavior.
290 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
293 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
296 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
298 Backport from mainline
299 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
301 PR rtl-optimization/52250
302 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
303 to put note list into. Unconditionally call move_bb_info.
304 (move_bb_info): Do not assert the blocks being in the same region,
305 just drop the note list if they are not.
307 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
309 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
311 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
313 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
314 defining statement is a SSA name that occurs in abnormal PHIs.
316 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
318 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
321 2012-07-19 Richard Guenther <rguenther@suse.de>
322 Eric Botcazou <ebotcazou@adacore.com>
324 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
325 about transition from invariant to known bits.
326 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
328 2012-07-19 Jakub Jelinek <jakub@redhat.com>
331 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
332 (cleanup_tree_cfg_bb): Don't call it.
333 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
336 2012-07-19 Christian Bruel <christian.bruel@st.com>
339 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
341 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
343 * config.gcc (v850-*-rtems*): New target.
344 * config/v850/rtems.h: New.
345 * config/v850/t-rtems: New.
347 2012-07-18 Nick Clifton <nickc@redhat.com>
349 * doc/invoke.texi (ARM Options): Document -munaligned-access.
351 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
355 Backport from mainline
356 2012-04-25 Jakub Jelinek <jakub@redhat.com>
359 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
360 instead expand it as zero extension.
362 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
364 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
365 QImode and HImode splitters. Use ix86_comparison_operator.
366 Explicitly match FLAGS_REG.
367 (DFmode cmove splitter): Explicitly match FLAGS_REG.
369 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
370 Steven Bosscher <steven@gcc.gnu.org>
371 Bernd Schmidt <bernds@codesourcery.com>
373 PR rtl-optimization/53908
374 * df-problems.c (can_move_insns_across): When doing
375 memory-reference book-keeping, handle call insns.
377 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
379 Backport from mainline
380 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
383 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
384 sibcall_insn_operand. Move it to a temporary register if not.
386 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
389 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
390 emit PIC sequence for fnaddr symbol reference in advance.
392 2012-07-09 Jason Merrill <jason@redhat.com>
395 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
396 (type_hash_eq): Likewise.
399 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
401 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
403 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
404 due to negative shift amount.
406 2012-07-06 Kai Tietz <ktietz@redhat.com>
408 Backport from mainline.
410 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
413 2012-07-06 Nick Clifton <nickc@redhat.com>
415 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
416 default_encode_section_info.
418 2012-07-06 Richard Guenther <rguenther@suse.de>
420 Backport from mainline
421 2012-03-30 Richard Guenther <rguenther@suse.de>
424 * double-int.c (rshift_double): Remove not needed cast.
426 2012-03-28 Richard Guenther <rguenther@suse.de>
429 * double-int.h (rshift_double): Remove.
430 * double-int.c (lshift_double): Use absu_hwi to make count
432 (rshift_double): Make static, take unsigned count argument,
433 remove handling of negative count argument.
434 (double_int_rshift): Dispatch to lshift_double.
436 2012-07-06 Richard Guenther <rguenther@suse.de>
438 Backport from mainline
439 2012-06-18 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/53693
442 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
443 Reject operands with more than one use.
445 2012-07-06 Richard Guenther <rguenther@suse.de>
447 Backport from mainline
448 2012-04-11 Richard Guenther <rguenther@suse.de>
451 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
452 consider loop nesting.
453 (evolution_function_is_univariate_p): Properly check the remainder
456 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
458 Backport from mainline
459 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
461 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
462 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
463 (adjacent_mem_locations): Move some code to and call...
464 (get_memref_parts): ...new function.
465 (mem_locations_overlap): New function.
466 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
467 (is_mem_ref): Rename to...
468 (find_mem_ref): ...this. Return MEM rtx.
469 (get_store_dest): Remove function.
470 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
471 new parameter and adjust calls.
472 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
473 mem refs overlap for true_store_to_load_dep_costly.
474 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
475 passed to adjacent_mem_locations.
476 (is_costly_group): Walk resolved dependency list.
477 (force_new_group): Emit group ending nop for Power6/Power7.
478 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
479 (group_ending_nop): New define_insn.
481 2012-07-04 Richard Guenther <rguenther@suse.de>
484 * gimple-fold.c (get_base_constructor): Do not return an
485 error_mark_node DECL_INITIAL.
487 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
489 Backport from mainline
490 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
492 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
493 code model string in the error message.
495 2012-07-04 Tristan Gingold <gingold@adacore.com>
497 Backport from mainline.
498 2012-06-25 Tristan Gingold <gingold@adacore.com>
500 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
501 (seh_cfa_adjust_cfa): ... that function.
502 (seh_emit_stackalloc): Do not emit out of range values.
503 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
504 UNSPEC_DEF_CFA constants.
505 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
506 * config/i386/i386.c (ix86_frame_pointer_required): Required
507 for very large frames on SEH target.
508 (ix86_compute_frame_layout): Save area is before frame pointer
509 on SEH target. Handle very large frames.
510 (ix86_expand_prologue): Likewise.
512 2012-07-04 Richard Guenther <rguenther@suse.de>
514 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
515 as in free_lang_data_in_type.
517 2012-07-02 Martin Jambor <mjambor@suse.cz>
519 Backport from mainline.
520 2012-07-02 Martin Jambor <mjambor@suse.cz>
523 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
524 dynamic type change check.
526 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
528 * tree-eh.c (lower_try_finally_switch): Really put the location of the
529 last statement of the finally block onto the switch.
531 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
533 * configure: Regenerate.
535 Backport from mainline.
536 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
538 * config.gcc (target_type_format_char): New. Document it. Set it for
540 * configure.ac (gnu_unique_option): Use target_type_format_char
541 in test. Comment rationale.
543 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
545 Backport from mainline.
546 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
548 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
550 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
552 Backport from 2012-06-28 mainline r189049
555 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
556 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
557 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
558 avr_hard_regno_call_part_clobbered.
560 2012-06-28 Richard Guenther <rguenther@suse.de>
563 * expr.c (expand_expr_real_1): Verify if the type is complete
564 before inspecting its size.
566 2012-06-27 Nick Clifton <nickc@redhat.com>
568 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
571 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
574 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
576 2012-06-26 Nick Clifton <nickc@redhat.com>
578 * config/rx/rx.md (simple_return): Use the simple_return rtx.
580 2012-06-25 Jakub Jelinek <jakub@redhat.com>
583 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
584 of x x x in the vmovlps load alternative.
586 2012-06-22 Richard Guenther <rguenther@suse.de>
588 * gcov-iov.c: Include bconfig.h and system.h.
590 2012-06-22 Richard Guenther <rguenther@suse.de>
592 PR gcov-profile/53744
593 * gcov-iov.c (main): Treat "" and "prerelease" the same.
595 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
597 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
598 DECL_IGNORED_P non-reg vars even if they are used.
600 2012-06-19 Jason Merrill <jason@redhat.com>
603 * dwarf2out.c (modified_type_die): Use scope_die_for.
604 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
605 (uses_local_type_r, uses_local_type): New.
606 (scope_die_for): Keep a type that uses a local type in local scope.
607 Use get_context_die for namespace and type scope.
609 2012-06-19 Richard Guenther <rguenther@suse.de>
612 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
613 replace it with the first non-BLOCK context.
615 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
617 PR rtl-optimization/53700
619 Backport from mainline
620 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
622 * ira-color.c (setup_left_conflict_sizes_p): Process all
625 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
627 Backport from mainline
628 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
631 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
632 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
633 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
634 instead of xop_mulv2div2di3_low.
635 (xop_p<macs>dql): Fix vec_select selector.
636 (xop_p<macs>dqh): Ditto.
637 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
638 (xop_mulv2div2di3_high): Ditto.
640 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
642 Backport from mainline:
643 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
645 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
647 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
649 Backport from mainline:
650 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
652 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
653 * config/pa/pa.c (pa_attr_length_millicode_call): Use
654 MAX_PCREL17F_OFFSET instead of fixed offset.
655 (pa_attr_length_call): Likewise.
656 (pa_attr_length_indirect_call): Likewise.
658 2012-06-15 Walter Lee <walt@tilera.com>
660 Backport from mainline:
661 2012-06-15 Walter Lee <walt@tilera.com>
663 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
665 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
667 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
669 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
671 Backport from mainline:
673 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
674 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
675 * gimple.h (block_in_transaction): Check for flag_tm.
677 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
679 PR tree-optimization/52558
681 Backport from mainline:
682 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
683 * gimple.h (gimple_set_in_transaction): Remove.
684 (gimple_in_transaction): Look in BB instead.
685 (gimple_statement_base): Remove in_transaction field.
686 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
687 * trans-mem.c (compute_transaction_bits): Place transaction bit
688 information into basic blocks.
690 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
692 PR tree-optimization/52558
693 * cfg.c (alloc_aux_for_edge): Fix comment.
694 (alloc_aux_for_edge): Remove static.
695 * basic-block.h (alloc_aux_for_edge): Protoize.
696 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
697 (execute_sm_if_changed_flag): New.
698 (execute_sm_if_changed_flag_set): New.
699 (execute_sm): Do not generate data races unless requested.
700 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
701 (tree_ssa_lim_finalize): Call free_aux_for_edges.
702 * gimple.h (block_in_transaction): New.
703 (gimple_in_transaction): Use block_in_transaction.
705 2012-06-14 Jakub Jelinek <jakub@redhat.com>
707 Backported from mainline
708 2012-06-12 Jakub Jelinek <jakub@redhat.com>
710 PR rtl-optimization/53589
711 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
712 discovery even when e->dest != target. If any LABEL_REF points
713 to e->dest label, redirect it to target's label.
715 2012-06-07 Jakub Jelinek <jakub@redhat.com>
718 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
719 returns false, replace stmt with GIMPLE_NOP.
720 (check_omp_nesting_restrictions): Instead of issuing warnings,
721 issue errors and return false if any errors were reported.
723 2012-06-14 Richard Guenther <rguenther@suse.de>
725 * BASE-VER: Set to 4.7.2.
726 * DEV-PHASE: Set to prerelease.
728 2012-06-12 Christian Bruel <christian.bruel@st.com>
731 * config/sh/sh.c (sh_option_override): Don't force
732 flag_omit_frame_pointer and maccumulate_outgoing_args.
733 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
735 2012-06-14 Release Manager
737 * GCC 4.7.1 released.
739 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
741 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
743 2012-06-13 Richard Henderson <rth@redhat.com>
745 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
746 iterator instead of INT.
748 2012-06-08 Richard Henderson <rth@redhat.com>
751 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
752 note to a clobber insn when no other insn is available.
754 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
757 * doc/invoke.texi (Wenum-compare): Update documentation.
759 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
762 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
764 (altivec_stvlxl): Ditto.
765 (altivec_stvrx): Ditto.
766 (altivec_stvrxl): Ditto.
768 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
771 * trans-mem.c (expand_block_edges): Do not skip the first
772 statement when resetting the BB.
774 2012-06-04 Richard Guenther <rguenther@suse.de>
777 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
778 create new assembler names.
780 2012-06-04 Richard Guenther <rguenther@suse.de>
782 Backport from mainline
783 2012-04-25 Jakub Jelinek <jakub@redhat.com>
786 * stor-layout.c (get_best_mode): Don't return mode with bitsize
787 larger than maxbits. Don't compute maxbits modulo align.
788 Also check that unit bytes long store at bitpos / unit * unit
789 doesn't affect bits beyond bitregion_end.
790 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
791 would not fit into bitregion_start ... bitregion_end + 1 bit
793 (store_split_bit_field): Decrease unit close to end of bitregion_end
794 if access is restricted in order to avoid mutual recursion.
796 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
798 Backport from 2012-06-04 mainline r188172
801 * config/avr/avr-stdint.h: New file.
802 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
805 2012-06-04 Jakub Jelinek <jakub@redhat.com>
807 PR tree-optimization/53550
808 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
809 is POINTER_TYPE_P, use sizetype as step type instead of type.
811 2012-06-04 Richard Guenther <rguenther@suse.de>
812 Eric Botcazou <ebotcazou@adacore.com>
814 Backport from mainline
815 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
817 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
818 Change type of BITOFFSET to signed. Make sure the lower bound of
819 the computed range is non-negative by adjusting OFFSET and BITPOS.
820 (expand_assignment): Adjust call to get_bit_range.
822 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
824 * expr.c (get_bit_range): Return the null range if the enclosing record
825 is part of a larger bit field.
827 2012-03-20 Richard Guenther <rguenther@suse.de>
829 * stor-layout.c (finish_bitfield_representative): Fallback
830 to conservative maximum size if the padding up to the next
831 field cannot be computed as a constant.
832 (finish_bitfield_layout): If we cannot compute the distance
833 between the start of the bitfield representative and the
834 bitfield member start a new representative.
835 * expr.c (get_bit_range): The distance between the start of
836 the bitfield representative and the bitfield member is zero
837 if the field offsets are not constants.
839 2012-03-16 Richard Guenther <rguenther@suse.de>
841 * stor-layout.c (finish_bitfield_representative): Fall back
842 to the conservative maximum size if we cannot compute the
843 size of the tail padding.
845 2012-03-14 Richard Guenther <rguenther@suse.de>
847 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
848 * stor-layout.c (start_bitfield_representative): New function.
849 (finish_bitfield_representative): Likewise.
850 (finish_bitfield_layout): Likewise.
851 (finish_record_layout): Call finish_bitfield_layout.
852 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
853 for QUAL_UNION_TYPE fields.
854 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
855 Stream DECL_BIT_FIELD_REPRESENTATIVE.
856 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
861 * expr.c (get_bit_range): Unconditionally extract bitrange
862 from DECL_BIT_FIELD_REPRESENTATIVE.
863 (expand_assignment): Adjust call to get_bit_range.
865 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
868 * fold-const.c (fold_binary_loc): Refine previous change.
870 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
872 Backport from mainline
873 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
876 * config/sh/sh.c (find_barrier): Add equality check of last_got to
877 avoid going above orig insn. Update comments.
879 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
881 Backport from mainline
882 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
885 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
886 prologue for unwinder and profiler.
888 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
890 Backport from mainline
891 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
893 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
895 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
897 Backport from mainline
898 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
900 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
903 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
905 Backport from mainline
906 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
908 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
909 operand is CONST_INT. Take COSTS_N_INSNS into account.
910 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
913 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
915 * config/avr/avr.opt (-msp8): Document it.
916 * doc/invoke.texi (AVR Options): Copy from trunk docu.
918 2012-05-31 Richard Guenther <rguenther@suse.de>
921 * expr.c (expand_assignment): Do not use movmisalign on
924 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
927 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
928 (pa_section_type_flags): New.
929 (pa_legitimate_constant_p): Revert previous change.
931 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
933 Backport from mainline
934 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
937 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
939 (ipa_tm_create_version): Same.
941 2012-05-30 Jason Merrill <jason@redhat.com>
944 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
945 about array compound literals.
947 2012-05-30 Richard Guenther <rguenther@suse.de>
950 * fold-const.c (fold_binary_loc): Make sure to call
951 fold_plusminus_mult_expr with the original sign of operands.
953 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
955 * explow.c (probe_stack_range): Restore simple control flow and stop
956 again when the probe cannot be generated if HAVE_check_stack.
958 2012-05-30 Jakub Jelinek <jakub@redhat.com>
960 PR rtl-optimization/53519
961 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
962 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
964 2012-05-29 Richard Guenther <rguenther@suse.de>
966 PR tree-optimization/53516
967 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
969 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
971 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
973 Backport from mainline
974 2012-05-28 Richard Guenther <rguenther@suse.de>
976 PR tree-optimization/53438
977 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
979 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
981 Backport from mainline
982 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
984 PR rtl-optimization/52528
985 * combine.c (can_combine_p): Add setting of subst_low_luid
986 before call to expand_field_assignment().
988 2012-05-26 Martin Jambor <mjambor@suse.cz>
990 Backport from mainline
991 2012-05-23 Martin Jambor <mjambor@suse.cz>
993 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
995 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
998 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
999 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1001 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
1004 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1005 (ix86_expand_vec_perm): Use int mode instead of float.
1007 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1010 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1011 gnu_ld variables to yes.
1012 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1013 (HAVE_GNU_AS): Likewise.
1014 * config.in: Regenerate.
1015 * configure: Likewise.
1017 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1019 Backport from mainline
1020 2012-03-12 Richard Guenther <rguenther@suse.de>
1021 * config/arm/arm.c (neon_dereference_pointer): Do not call
1022 covert during RTL expansion.
1024 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1026 Backport from mainline
1027 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1030 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1031 relied on signed overflow behavior.
1033 2012-05-24 Richard Guenther <rguenther@suse.de>
1036 * tree-profile.c (tree_profiling): Cleanup the CFG if
1037 execute_fixup_cfg requests it.
1039 2012-05-24 Jakub Jelinek <jakub@redhat.com>
1041 PR tree-optimization/53465
1042 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1043 vr0 into *vr, then vrp_meet that.
1044 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1045 have any equivalences.
1046 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1049 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
1051 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1053 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1054 (iterative_hash_gimple_type): Adjust comment.
1055 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
1056 domain for an array type instead of the domain type itself.
1058 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
1060 Backport from 2012-05-23 mainline r187803
1063 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1064 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1067 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1069 Backport from 2012-05-03 mainline r187075
1071 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1072 has_fma4 for AMD processors with both fma3 and fma4 support.
1074 2012-05-22 Richard Guenther <rguenther@suse.de>
1076 PR tree-optimization/53408
1077 * tree-vect-loop.c (vectorizable_induction): Properly check
1078 the restriction that we cannot handle induction results from
1079 the inner loop outside of the outer loop.
1081 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1083 PR tree-optimization/53436
1084 * omp-low.c (omp_build_component_ref): New function.
1085 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1087 PR tree-optimization/53366
1088 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1089 tests if complex_numbers == 2, but there are non-complex number loads
1092 PR tree-optimization/53409
1093 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1094 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1096 PR tree-optimization/53410
1097 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1098 instead of build_int_cst (type, 0) where vector types might be
1101 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1104 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1105 from folded operands before wrapping another around the
1106 conditional expression.
1108 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1109 Patrick Marlier <patrick.marlier@gmail.com>
1111 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1114 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1116 Backport from mainline
1117 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1120 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1121 (UNSPECV_RDRAND): This.
1122 (rdrand<mode>_1): Updated.
1124 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1126 Backport from mainline
1127 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1129 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1130 RDRND, F16C and FSGSBASE.
1132 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1134 Backport from mainline
1135 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1137 * tree-ssa-pre.c (can_value_number_call): Delete.
1138 (compute_avail): Skip all statements with side effects.
1139 <GIMPLE_CALL>: Skip calls to internal functions.
1141 2012-05-18 David S. Miller <davem@davemloft.net>
1143 Backport r185385 from mainline
1144 2012-03-14 Richard Guenther <rguenther@suse.de>
1147 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1148 element type instead of mode, use build_vector_type_for_mode
1149 instead of the langhook, build a vector of proper signedness.
1150 (expand_vector_operations_1): Adjust.
1152 2012-05-18 Olivier Hainque <hainque@adacore.com>
1154 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1155 $(libsubdir) as libexecsubdir.
1157 2012-05-16 Andrew Pinski <apinski@cavium.com>
1159 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1162 2012-05-16 David S. Miller <davem@davemloft.net>
1164 * jump.c (delete_related_insns): If we remove a CALL, make sure
1165 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1167 2012-05-16 Richard Henderson <rth@redhat.com>
1170 * combine-stack-adj.c (prev_active_insn_bb): New.
1171 (next_active_insn_bb): New.
1172 (force_move_args_size_note): New.
1173 (combine_stack_adjustments_for_block): Use it.
1175 2012-05-16 Olivier Hainque <hainque@adacore.com>
1177 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1178 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1179 Add comments and improve stamp preservation across the whole sequence.
1180 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1182 2012-05-16 Richard Guenther <rguenther@suse.de>
1184 PR tree-optimization/53364
1185 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1186 detect a view-conversion of the decl.
1188 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1191 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1192 that operands[2] is either immediate, or q_regs_operand.
1194 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1196 Backport r187139 from mainline.
1197 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1199 PR rtl-optimization/52804
1200 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1201 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1202 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1203 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1204 RELOAD_FOR_OUTADDR_ADDRESS.
1206 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1209 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1210 generate target register for "load" class builtins.
1213 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1216 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1217 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1218 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1219 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1220 (<sse>_movu<ssemodesuffix>): New expander.
1221 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1222 (avx_movdqu<avxmodesuffix>): New expander.
1223 (*sse2_movdqu): Rename from sse2_movdqu.
1224 (sse2_movdqu): New expander.
1226 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1228 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1229 lineno 1 the same as lineno 0 before first start file directive.
1230 (optimize_macinfo_range): Likewise.
1232 * dwarf2out.c (have_macinfo): Define.
1233 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1234 attribute, don't force empty compilation unit and don't emit any
1235 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1237 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1239 Backport from mainline
1240 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1242 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1243 ORDERED and UNORDERED conditions.
1245 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1247 * function.c (requires_stack_frame_p): If the function can throw
1248 non-call exceptions, return true if the insn can throw internally.
1250 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1252 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1253 DECL_ORIGINAL_TYPE if it is present.
1255 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1257 Backport from 2012-05-12 mainline r187342.
1260 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1261 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1262 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1263 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1264 (expand_prologue): Move initialization of cfun->machine->is_naked,
1265 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1266 (avr_set_current_function): ...this new static function.
1267 (TARGET_SET_CURRENT_FUNCTION): New define.
1268 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1269 checking attributes of current_function_decl.
1270 (avr_regs_to_save): Ditto.
1271 (signal_function_p): Rename to avr_signal_function_p.
1272 (interrupt_function_p): Rename to avr_interrupt_function_p.
1274 * doc/extend.texi (Function Attributes): Better explanation of
1275 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1278 2012-05-09 Matthias Klose <doko@ubuntu.com>
1280 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1282 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1285 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1286 when a constant source operand matches an "I" constraint, the "no
1287 CC0 change" applies to a register-destination only, not a
1288 strict_low_part-destination.
1290 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1292 Backport from mainline:
1293 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1295 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1297 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1299 PR tree-optimization/53239
1300 * tree-vrp.c (get_value_range): Set VR of
1301 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1304 2012-05-07 Richard Guenther <rguenther@suse.de>
1306 PR tree-optimization/53195
1307 * tree-inline.c (setup_one_parameter): Properly add referenced
1308 vars from the parameters new known value.
1310 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1312 Backport from mainline:
1313 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1316 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1319 2012-05-04 Ian Lance Taylor <iant@google.com>
1321 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1322 values from false to NULL.
1324 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1326 Backport from mainline
1327 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1330 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1331 (TARGET_CMOV): Rename from TARGET_CMOVE.
1332 (TARGET_CMOVE): New define.
1333 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1334 Do not set TARGET_CMOVE here.
1336 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1338 Backport from mainline:
1340 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1342 PR tree-optimization/52633
1343 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1344 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1345 (vect_recog_over_widening_pattern): Remove handling of code that was
1346 already detected as over-widening pattern. Remove special handling
1347 of "unsigned" cases. Instead, support general case of conversion
1348 of the shift result to another type.
1350 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1352 * tree-vect-patterns.c (vect_single_imm_use): New function.
1353 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1354 (vect_recog_over_widening_pattern): Likewise.
1355 (vect_recog_widen_shift_pattern): Likewise.
1357 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1359 PR tree-optimization/52870
1360 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1361 presumed pattern statement is within the same loop or basic block.
1363 2012-05-04 Richard Guenther <rguenther@suse.de>
1365 * common.opt (flto-report): Do not mark as Optimization.
1367 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1370 * recog.c (constrain_operands): If extra constraints are present, also
1371 accept pseudo-registers with equivalent memory locations during reload.
1373 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1375 Backport from the mainline
1376 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1379 * config/rs6000/rs6000.md (bswapdi splitters): If
1380 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1381 default) is used, generate an alternate sequence that does not
1382 depend on using indexed addressing.
1384 2012-05-03 David S. Miller <davem@davemloft.net>
1387 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1388 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1389 (sparc_emit_float_lib_cmp): Likewise.
1391 2012-05-04 Martin Jambor <mjambor@suse.cz>
1393 Backport from mainline
1394 2012-05-02 Martin Jambor <mjambor@suse.cz>
1397 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1398 of a variable when the contect is a function.
1400 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1403 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1404 append program name to it and pass that as first argument
1405 to make_relative_prefix. Always pass standard_libexec_prefix
1406 as last argument to make_relative_prefix. If
1407 make_relative_prefix returns NULL, fall back to
1408 standard_libexec_prefix.
1411 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1415 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1416 mode, return that mode.
1418 2012-05-03 Richard Guenther <rguenther@suse.de>
1420 PR tree-optimization/53144
1421 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1423 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1424 with SSA name values.
1425 (vn_reference_lookup_3): Adjust callers.
1427 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1429 PR tree-optimization/53163
1430 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1431 return value from compute_all_dependences.
1433 PR rtl-optimization/53160
1434 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1435 has been modified by ree pass already.
1437 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1439 Backport from mainline
1440 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1443 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1444 calls to cgraph_node_name in xstrdup.
1445 (ipa_make_edge_direct_to_target): Ditto.
1446 * tree-sra.c (convert_callers_for_node): Ditto.
1447 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1448 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1449 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1450 (cgraph_materialize_all_clones): Ditto.
1451 * ipa-inline.c (report_inline_failed_reason): Ditto.
1452 (want_early_inline_function_p): Ditto.
1453 (edge_badness): Ditto.
1454 (update_edge_key): Ditto.
1455 (flatten_function): Ditto.
1456 (ipa_inline): Ditto.
1457 (inline_always_inline_functions): Ditto.
1458 (early_inline_small_functions): Ditto.
1460 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1462 Backport from mainline
1463 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1465 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1466 Introduce emul_name to select the right linker emulation for
1467 powerpc64-*-freebsd*.
1468 * configure: Regenerate.
1469 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1470 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1471 * config/rs6000/freebsd64.h: New file.
1472 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1474 (rs6000_savres_strategy): Likewise.
1475 (rs6000_savres_routine_name): Likewise.
1476 (rs6000_elf_file_end): Likewise.
1477 * config/rs6000/t-freebsd64: New file.
1478 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1479 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1481 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1483 Backport from mainline
1484 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1487 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1489 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1491 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1492 predicate to discriminate types.
1494 2012-04-27 Richard Guenther <rguenther@suse.de>
1497 * convert.c (convert_to_integer): Avoid infinite recursion for
1498 target-defined built-in types.
1500 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1503 * config/cris/cris.md ("*andhi_lowpart_v32")
1504 ("*andqi_lowpart_v32"): Change first input-only operand from
1505 a (match_operand ...) to (match_dup 0). Drop alternatives with
1506 const_int-matching constraints for redundancy.
1507 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1508 three-operand alternative.
1510 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1512 Backport from mainline
1513 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1515 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1516 (*addsi_2_zext): Ditto.
1517 (*add<mode>_3): Ditto.
1518 (*addsi_3_zext): Ditto.
1519 (*add<mode>_5): Ditto.
1521 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1524 * c-typeck.c (set_nonincremental_init,
1525 set_nonincremental_init_from_string): Pass true instead of false
1526 as IMPLICIT to add_pending_init.
1528 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1530 Backport from 2012-04-24 mainline r186768.
1533 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1535 2012-04-24 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/53085
1538 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1541 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1544 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1546 (output_addressed_constants): Likewise.
1549 * varasm.c (get_section): Don't ICE for section conflicts with
1550 built-in section kinds.
1552 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1554 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1556 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1558 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1560 2012-04-23 Richard Guenther <rguenther@suse.de>
1563 * c-typeck.c (build_binary_op): Fix typo.
1565 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1567 PR tree-optimizations/52891
1568 * tree-vect-patterns.c (adjust_bool_pattern): Use
1569 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1570 but with non-standard precision.
1572 2012-04-22 Ian Lance Taylor <iant@google.com>
1574 * godump.c (go_output_typedef): Dump size of structs.
1576 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1578 Backport from mainline:
1580 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1581 hints for 'A' operand types.
1583 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1585 Backport from 2012-04-19 mainline r186588.
1588 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1589 the case *(X+const).
1591 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1593 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1595 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1598 * config/i386/sync.md (atomic_<code><mode>): Rename to
1599 atomic_<logic><mode>.
1601 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1603 Backport from mainline
1604 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1607 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1608 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1609 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1610 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1611 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1612 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1613 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1614 gen_avx2_permvarv8sf.
1616 2012-04-16 Martin Jambor <mjambor@suse.cz>
1618 Backported from mainline
1620 2012-04-13 Martin Jambor <mjambor@suse.cz>
1623 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1624 fold_ctor_reference returns a zero constant.
1626 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1628 Backported from mainline
1629 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1631 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1632 and __ILP32__ for x32.
1634 2012-04-13 Tom de Vries <tom@codesourcery.com>
1636 Backport from mainline r186418.
1638 2012-04-13 Tom de Vries <tom@codesourcery.com>
1640 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1641 parameters vuse and vuse_escaped.
1642 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1643 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1646 2012-04-13 Richard Guenther <rguenther@suse.de>
1648 PR tree-optimization/52969
1649 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1650 the condition for the COND_EXPR and handle predicate negation
1651 by swapping the COND_EXPR arms.
1653 2012-04-13 Richard Guenther <rguenther@suse.de>
1656 * convert.c (convert_to_pointer): Remove special-casing of
1659 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1661 Backport from mainline
1662 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1665 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1666 the list of options to enable the FCFID instruction.
1667 (TARGET_EXTRA_BUILTINS): Adjust comment.
1669 2012-04-12 Richard Guenther <rguenther@suse.de>
1671 PR tree-optimization/52943
1672 * tree-chrec.h (chrec_is_positive): Remove.
1673 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1674 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1675 Return false for a constant zero instead of negative.
1676 (analyze_siv_subscript_cst_affine): Handle zero difference
1677 in the initial condition explicitely.
1679 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1682 * varasm.c (process_pending_assemble_externals): Set
1683 pending_assemble_externals_processed true.
1684 (assemble_external): Call assemble_external_real if the pending
1685 assemble externals have been processed.
1687 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1690 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1691 the DECL generated for the special GOT helper.
1693 2012-04-06 Walter Lee <walt@tilera.com>
1695 Backport from mainline
1696 2012-03-07 Walter Lee <walt@tilera.com>
1698 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1699 REG_CFA_* notes for the stack pointer.
1700 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1701 EH_RETURN_STACKADJ_RTX.
1702 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1703 generate REG_CFA_* notes for the stack pointer.
1704 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1705 by EH_RETURN_STACKADJ_RTX.
1707 2012-04-06 Matt Turner <mattst88@gmail.com>
1709 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1711 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1713 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1714 of the destination isn't also a FP_REGS register.
1716 2012-04-03 Richard Guenther <rguenther@suse.de>
1718 Backport from mainline
1719 2012-03-02 Richard Guenther <rguenther@suse.de>
1721 PR tree-optimization/52406
1722 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1723 (struct indices): Add unconstrained_base member.
1724 (struct dr_alias): Remove unused vops member.
1725 (DR_UNCONSTRAINED_BASE): New define.
1726 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1727 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1728 be an artificial access that covers the whole indexed object,
1729 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1730 plain decl base-objects to their MEM_REF variant.
1731 (dr_may_alias_p): When the base-object of either data reference
1732 has unknown size use only points-to information.
1733 (compute_affine_dependence): Make dumps easier to read and
1735 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1736 DR_REF when looking for packed references.
1737 (vect_supportable_dr_alignment): Likewise.
1739 2012-04-03 Richard Guenther <rguenther@suse.de>
1741 Backport from mainline
1742 2012-03-15 Richard Guenther <rguenther@suse.de>
1745 * tree-data-ref.c (subscript_dependence_tester_1): Check
1746 all dimensions for non-conflicting access functions.
1748 2012-04-03 Richard Guenther <rguenther@suse.de>
1750 Backport from mainline
1751 2012-03-06 Richard Guenther <rguenther@suse.de>
1754 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1756 2012-03-23 Richard Guenther <rguenther@suse.de>
1758 PR tree-optimization/52678
1759 * tree-vectorizer.h (struct _stmt_vec_info): Add
1760 loop_phi_evolution_part member.
1761 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1762 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1763 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1764 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1765 Use the cached evolution part and the PHI nodes value from
1766 the loop preheader edge instead of re-analyzing the evolution.
1768 2012-03-26 Richard Guenther <rguenther@suse.de>
1770 PR tree-optimization/52701
1771 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1772 compute and set the evolution part of PHI nodes.
1774 2012-03-30 Richard Guenther <rguenther@suse.de>
1776 PR tree-optimization/52754
1777 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1778 propagate arbitrary addresses into really plain dereferences.
1780 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1782 PR tree-optimization/52835
1783 * tree-data-ref.c (build_rdg): Return NULL if
1784 compute_data_dependences_for_loop failed.
1786 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1788 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1789 (stmt_can_make_abnormal_goto): Use it.
1790 (is_ctrl_altering_stmt): Likewise.
1792 2012-03-31 Martin Jambor <mjambor@suse.cz>
1794 Backported from mainline
1795 2012-03-30 Martin Jambor <mjambor@suse.cz>
1797 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1798 is a builtin_stack_save in a dominating BB.
1800 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1802 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1803 crossing 128bit lane boundary.
1805 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1807 Backported from mainline
1808 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1811 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1813 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1814 * config/i386/i386.c: Include reload.h.
1815 (ix86_legitimize_reload_address): New function.
1817 2012-03-28 Martin Jambor <mjambor@suse.cz>
1819 Backported from mainline
1820 2012-03-27 Martin Jambor <mjambor@suse.cz>
1823 * tree-sra.c (sra_modify_assign): Do not call
1824 load_assign_lhs_subreplacements when working with an unscalarizable
1827 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1830 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1831 __builtin_va_start to __builtin_next_arg if the latter is
1832 builtin_decl_explicit_p rather than when it is not.
1835 * tree-vect-generic.c (vector_element): Perform multiplication
1836 for pos in bitsizetype type instead of idx type.
1838 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1840 Backport from 2012-03-28 mainline r185910.
1843 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1844 (avr_builtin_decl): New static function.
1845 (struct avr_builtin_description, avr_bdesc): Move up.
1846 Add GTY marker. Add field fndecl. Remove redundant field id.
1847 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1848 (avr_expand_builtin): Code cleanup because .id is removed.
1850 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1853 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1856 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1858 Backport from 2012-03-28 mainline r185907.
1861 * config.gcc (tm_file): Remove avr/multilib.h.
1863 * doc/invoke.texi (AVR Options): Adjust
1864 documentation of -mtiny-stack.
1866 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1867 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1868 * config/avr/t-avr: Remove generation of multilib.h.
1869 * config/avr/t-multilib: Regenerate.
1870 * config/avr/multilib.h: Remove.
1871 * config/avr/avr.opt (-msp8): New option.
1872 (avr_sp8): New variable.
1873 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1874 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1875 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1876 (avr_device_to_sp8): New prototype.
1877 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1878 (DRIVER_SELF_SPECS): New define.
1879 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1880 __AVR_SP8__, __AVR_HAVE_SPH__.
1881 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1882 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1883 (avr_file_start): Ditto.
1885 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1888 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1889 instead of 8 in adjust_address.
1891 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1893 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1894 of a unit before computing the offset in units.
1896 2012-03-27 Richard Guenther <rguenther@suse.de>
1899 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1902 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1905 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1907 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1910 * varasm.c: Include pointer-set.h.
1911 (pending_assemble_externals_set): New pointer set.
1912 (process_pending_assemble_externals): Destroy the pointer set.
1913 (assemble_external): See if decl is in pending_assemble_externals_set,
1914 and add it to pending_assemble_externals if necessary.
1915 (init_varasm_once): Allocate pending_assemble_externals_set.
1917 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1919 Backported from mainline
1920 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1923 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1924 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1925 (vector_ltgt<mode>): Likewise.
1926 (vector_ordered<mode>): Likewise.
1927 (vector_unordered<mode>): Likewise.
1928 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1930 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1932 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1935 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1937 Backported from mainline
1938 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1942 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1943 GENERAL_REGS and FP_REGS for SImode.
1945 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1948 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1949 on any new_local_var_chain vars declared during recursing on
1950 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1952 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1954 Backport from 2012-03-22 mainline r185692.
1957 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1958 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1959 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1960 (delay_cycles_1, delay_cycles_2): Ditto.
1961 (delay_cycles_3, delay_cycles_4): Ditto.
1962 (nopv, *nopv): Ditto.
1963 (sleep, *sleep): Ditto.
1966 Backport from 2012-03-21 mainline r185605.
1968 PR rtl-optimization/52543
1970 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1971 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1972 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1973 (avr_load_libgcc_p): Restrict to __flash loads.
1974 (avr_out_lpm): Only handle 1-byte loads from __flash.
1975 (avr_load_lpm): New function.
1976 (avr_find_unused_d_reg): Remove.
1977 (avr_out_lpm_no_lpmx): Remove.
1978 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1979 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1980 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1981 (load_<mode>, load_<mode>_clobber): New insns.
1982 (mov<mode>): For multi-byte move from non-generic
1983 16-bit address spaces: Expand to load_<mode> resp.
1984 load_<mode>_clobber.
1985 (load<mode>_libgcc): Remove expander.
1986 (split-lpmx): Remove split.
1988 Backport from 2012-03-13 mainline r185329.
1991 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1992 offset (size) to a value the insns can deal with.
1993 (expand_epilogue): Ditto.
1995 Backport from 2012-03-12 mainline r185256.
1998 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1999 type from reg_class_t to enum reg_class.
2000 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2002 Backport from 2012-03-12 mainline r185253.
2005 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2006 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2007 r184615 from 2012-02-28.
2009 Backport from 2012-03-08 mainline r185105.
2011 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2012 for constants in [-63,63].
2014 Backport from 2012-03-08 mainline r185100.
2017 * config/avr/avr.c (avr_mem_clobber): New static function.
2018 (avr_expand_delay_cycles): Add memory clobber operand to
2019 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2020 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2021 (enable_interrupt, disable_interrupt): New expander.
2022 (nopv, sleep, wdr): New expanders.
2023 (delay_cycles_1): Add memory clobber.
2024 (delay_cycles_2): Add memory clobber.
2025 (delay_cycles_3): Add memory clobber.
2026 (delay_cycles_4): Add memory clobber.
2027 (cli_sei): New insn from former "enable_interrupt",
2028 "disable_interrupt" with memory clobber.
2029 (*wdt): New insn from former "wdt" with memory clobber.
2030 (*nopv): Similar, but for "nopv".
2031 (*sleep): Similar, but for "sleep".
2033 Backport from 2012-03-07 mainline r185043.
2036 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2038 Backport from 2012-03-07 mainline r185032.
2041 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2042 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2043 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2045 Backport from 2012-03-07 mainline r185031.
2048 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2050 * config/avr/avr.md (xload_8): Adjust insn length.
2052 Backport from 2012-03-07 mainline r185030.
2055 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2056 if RAMPZ affects reading from RAM.
2058 Backport from 2012-03-05 mainline r184919.
2060 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2062 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2064 Backport from mainline r185259.
2067 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2068 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2070 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2072 Backported from mainline
2073 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2076 * c-parser.c (c_parser_postfix_expression)
2077 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2079 * config/i386/smmintrin.h: Avoid /* within a comment.
2080 * config/i386/nmmintrin.h: Likewise.
2082 2012-03-22 Richard Guenther <rguenther@suse.de>
2084 * BASE-VER: Set to 4.7.1.
2085 * DEV-PHASE: Set to prerelease.
2087 2012-03-22 Release Manager
2089 * GCC 4.7.0 released.
2091 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2093 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2095 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2096 Andrew Pinski <apinski@cavium.com>
2099 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2100 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2101 calls instead of __builtin_ir{int,ound}*.
2103 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2106 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2109 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2111 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2112 Refer to GCC 4.7 version of c99status.html.
2114 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2116 Backport from mainline
2117 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2119 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2120 redefine to be NULL if the current bit-size is different from the
2121 configured bit-size.
2123 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2124 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2125 set the default tuning. Add asserts to make sure the cpu and tune
2126 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2127 test whether the index is set, instead of > 0.
2128 (rs6000_file_start): Do not reset the default cpu if the current
2129 bit-size is different from the configured bit-size.
2131 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2133 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2135 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2136 Update binutils references.
2137 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2138 Update binutils reference.
2139 Update Sun as/GNU ld caveat.
2140 Document binutils largefile requirement for LTO plugin.
2141 Remove reference to alternate libpthread.
2143 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2145 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2147 (Specific, mips-sgi-irix6): Likewise.
2149 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2151 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2152 * configure: Regenerate.
2154 2012-03-07 Richard Henderson <rth@redhat.com>
2156 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2157 * config/m68k/sync.md (atomic_test_and_set): Use it.
2158 (atomic_test_and_set_1): Likewise.
2160 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2163 * Makefile.in: Let install-gcc-ar depend on installdirs,
2164 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2165 Don't double canonicalize if cross-compiling.
2167 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2169 * trans-mem.c: New typedef for tm_region_p.
2170 Define vector types for tm_region_p.
2171 (tm_region_init): Replace region_worklist to a vector called
2174 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2177 * trans-mem.c (tm_region_init): Use last_basic_block.
2179 2012-03-05 Richard Henderson <rth@redhat.com>
2182 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2183 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2184 BIGGEST_ALIGNMENT is aligned.
2186 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2188 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2190 2012-03-05 Richard Henderson <rth@redhat.com>
2193 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2194 instead of calling negqi2 directly.
2196 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2198 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2199 (INTMAX_TYPE): Use it.
2200 (UINTMAX_TYPE): Likewise.
2201 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2202 (irix6_c_common_override_options): Declare.
2203 (C_COMMON_OVERRIDE_OPTIONS): Define.
2204 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2205 * config/mips/irix6-c.c: New file.
2206 * config/mips/t-irix6 (irix6-c.o): New target.
2207 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2210 2012-03-02 Richard Henderson <rth@redhat.com>
2212 * optabs.c (expand_atomic_test_and_set): Honor
2213 atomic_test_and_set_trueval even when atomic_test_and_set
2214 optab is not in use.
2216 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2218 Backport from mainline
2219 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2221 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2223 2012-03-02 Richard Guenther <rguenther@suse.de>
2225 * DEV-PHASE: Set to prerelease.
2227 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2229 * config.gcc (obsolete): Add all ARM targets using the FPA.
2230 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2231 * doc/install.texi: Avoid references to obsolete ARM ports.
2233 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2235 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2237 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2238 Joern Rennecke <joern.rennecke@embecosm.com>
2240 * doc/extend.texi: Expand and update information on interrupt
2241 attribute for Epiphany.
2243 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2245 * config/sh/sh-protos.h: Update copyright notice dates.
2246 * config/sh/sh.h: Likewise.
2247 * config/sh/sh.md: Likewise.
2248 * config/sh/constraints.md: Likewise.
2249 * config/sh/predicates.md: Likewise.
2251 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2253 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2254 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2256 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2258 * config/sh/constraints.md: Fix comment typo.
2260 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2263 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2264 unsigned HOST_WIDE_INT.
2265 (zvdep_imm64): Likewise.
2266 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2267 (vdepi_and): Likewise.
2268 Likewise for unamed 64-bit patterns.
2269 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2271 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2274 PR rtl-optimization/52417
2275 * cselib.c (cselib_any_perm_equivs): New variable.
2276 (cselib_reset_table): Check that it's not set when not
2277 preserving constants.
2278 (cselib_add_permanent_equiv): Set it.
2279 (cselib_have_permanent_equivalences): New.
2280 (cselib_init, cselib_finish): Reset it.
2281 * cselib.h (cselib_have_permanent_equivalences): Declare.
2282 * alias.c (get_addr): Restore earlier behavior when there
2283 aren't permanent equivalences.
2285 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2287 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2288 * config/v850/v850-modes.def: Fix copyright notice.
2290 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2292 * doc/extend.texi (AVR Built-in Functions): Document
2293 __builtin_avr_flash_segment.
2295 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2296 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2297 (*split.flash_segment): New insn-and-split.
2298 * config/avr/avr.c (avr_init_builtins): Add local variables:
2299 const_memx_void_node, const_memx_ptr_type_node,
2300 char_ftype_const_memx_ptr.
2302 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2304 PR tree-optimization/52445
2305 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2306 add ssa_name_ver, offset and size fields and change store field
2308 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2309 (add_or_mark_expr): Likewise. Only consider previous stores
2310 with the same size and offset.
2311 (nt_init_block): Only look at gimple_assign_single_p stmts,
2312 doesn't look at rhs2.
2314 2012-03-01 Richard Guenther <rguenther@suse.de>
2317 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2318 conversions from integral types to pointer types.
2320 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2322 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2323 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2324 unintentionally removed in r184616.
2326 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2328 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2331 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2332 Uros Bizjak <ubizjak@gmail.com>
2335 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2336 alternatives, add "e" constraint to the new last alternative
2337 and ! to last 3 alternatives.
2339 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2341 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2342 DW_AT_artificial attributes at the end of the processing.
2343 (gen_array_type_die): Likewise.
2344 (gen_enumeration_type_die): Likewise.
2345 (gen_struct_or_union_type_die): Likewise.
2346 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2349 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2352 * expr.c (expand_assignment): If doing misaligned store that doesn't
2353 cover all mode bits, perform a RMW cycle.
2355 PR tree-optimization/52429
2356 * tree-parloops.c (separate_decls_in_region_debug): Return early
2357 if var is LABEL_DECL.
2359 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2361 PR tree-optimization/52424
2362 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2363 calling dom_thread_across_edge.
2365 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2367 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2369 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2371 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2372 * config/avr/avr.c (avr_output_bld): Remove unused function.
2373 (avr_out_sbxx_branch): Use "%T" to print bit position.
2375 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2377 * config/avr/avr.md: Untabify.
2379 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2381 * config/avr/avr.md (eqne): New code iterator.
2382 (*dec-and-branchsi): Use it in text peephole's condition.
2383 (*dec-and-branchhi): Ditto.
2384 (*dec-and-branchqi): Ditto.
2386 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2389 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2390 the device does not have the skip-bug.
2392 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2394 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2395 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2396 -mpretend-cmove): New.
2398 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2401 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2402 doesn't count DEBUG_INSN refs.
2403 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2404 for DEBUG_INSN refs.
2406 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2410 2012-02-20 Richard Guenther <rguenther@suse.de>
2411 PR tree-optimization/52298
2412 * tree-vect-stmts.c (vectorizable_load): Properly use
2413 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2416 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2419 * gimple.h (gimple_in_transaction): New.
2420 (gimple_set_in_transaction): New.
2421 (struct gimple_statement_base): Add in_transaction field.
2422 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2424 (tree_ssa_lim_initialize): Compute transaction bits.
2425 * tree.h (compute_transaction_bits): Protoize.
2426 * trans-mem.c (tm_region_init): Use the heap to store BB
2428 (compute_transaction_bits): New.
2430 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2432 * gcc.c (display_help): Document --help=common and sort entries
2435 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2437 * doc/install.texi: Document check-$LANG specific shortcuts
2439 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2442 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2444 * config/arm/arm_neon.h: Regenerate.
2445 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2446 (neon_vcgeu): New insn.
2447 (neon_vcgtu): Likewise.
2448 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2449 (ops): Unsigned comparison intrinsics call a different
2452 2012-02-28 Richard Guenther <rguenther@suse.de>
2455 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2456 ordering for the VEC_CONCAT for two element vectors for
2457 V2SFmode, V2SImode and V2DImode.
2459 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2462 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2463 detecting big-endian triplets.
2465 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2467 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2468 mode if there is no type information available.
2470 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2472 PR tree-optimization/53207
2473 * doc/invoke.texi: Document as experimental and relying on graphite.
2475 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2477 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2478 of initializer to changes from r184614.
2480 2012-02-28 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/52395
2483 * tree-sra.c (build_ref_for_offset): Also look at the base
2484 TYPE_ALIGN when figuring out the alignment of the replacement.
2486 2012-02-28 Richard Guenther <rguenther@suse.de>
2488 PR tree-optimization/52402
2489 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2490 mis-aligned types when creating the accesses at the call site.
2492 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2494 * config/avr/builtins.def: New file.
2495 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2496 * config/avr/avr.c (enum avr_builtin_id): Use it.
2497 (avr_init_builtins): Use it. And use avr_bdesc.
2498 (bdesc_1arg): Remove.
2499 (bdesc_2arg): Remove.
2500 (bdesc_3arg): Remove.
2501 (struct avr_builtin_description): Add field n_args.
2502 (avr_bdesc): New static variable using builtins.def.
2503 (avr_expand_builtin): Use it.
2504 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2505 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2506 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2508 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2511 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2512 match only one single hard register with respective hard reg rtx.
2513 (movmemx_<mode>): Ditto.
2514 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2515 insn anatomy of movmem[x]_<mode>.
2516 (avr_out_movmem): Same for printing assembler and operand usage.
2518 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2522 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2523 address spaces located outside of device flash.
2525 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2526 (mcu_type_s): Add field n_flash.
2527 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2528 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2529 (AVR_MCU): Add N_FLASH argument.
2530 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2531 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2532 macro __FLASH<n> if that address space makes sense for the device.
2533 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2534 outside of target flash.
2535 (avr_asm_named_section): Ditto.
2536 (avr_asm_select_section): Ditto.
2537 (avr_addr_space_convert): Ditto.
2538 (avr_emit_movmemhi): Ditto.
2539 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2540 address space is outside of device flash.
2541 (avr_insert_attributes): Ditto.
2542 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2543 avr_current_arch->n_segments.
2545 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2548 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2550 (*movabs<mode>_2): Likewise.
2552 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2555 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2556 s_register_operand in the test instead of REG_P. Don't call
2557 gen_reg_rtx if it won't be used.
2559 PR tree-optimization/52376
2560 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2562 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2564 * ifcvt.c (noce_get_condition): Check condition variable is not
2565 small_register_classes_for_mode_p before accepting.
2567 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2569 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2571 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2574 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2575 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2577 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2579 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2581 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2583 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2585 * config/sh/predicates.md: Remove blank lines.
2586 * config/sh/sh.c: Fix typos in comments.
2587 * config/sh/constraints.md: Likewise.
2588 * config/sh/sh.md: Remove blank lines.
2589 Fix typos in comments. Use ;; as comment characters.
2591 2012-02-26 Walter Lee <walt@tilera.com>
2593 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2594 (replace_mov_pcrel_step2): Ditto.
2596 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2599 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2600 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2601 and locs that reference values newer than the non-canonical value
2602 at hand. Return the canonical value as a worst case.
2603 (memrefs_conflict_p): Walk canonical value's locs.
2606 * cselib.c (preserve_only_constants): Rename to...
2607 (preserve_constants_and_equivs): ... this. Split out...
2608 (invariant_or_equiv_p): ... this. Preserve plus expressions
2609 of other preserved expressions too.
2610 (cselib_reset_table): Adjust.
2611 * var-tracking.c (reverse_op): Use canonical value to build
2614 2012-02-23 Kai Tietz <ktietz@redhat.com>
2616 * config/i386/i386.c (ix86_delegitimize_address): Handle
2617 UNSPEC_PCREL plus displacement.
2619 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2622 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2623 to test for unusedness in st X addressing.
2625 2012-02-24 Richard Guenther <rguenther@suse.de>
2628 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2629 (is_gimple_reg_type): Move inline ...
2630 * gimple.h (is_gimple_reg_type): ... here.
2632 2012-02-24 Richard Guenther <rguenther@suse.de>
2635 * passes.c (execute_function_todo): When verifying SSA form
2636 verify gimple form first.
2637 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2639 2012-02-24 Richard Guenther <rguenther@suse.de>
2642 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2643 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2645 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2647 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2649 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2651 * tree-phinodes.c (make_phi_node): Mark static.
2652 * tree-flow.h (make_phi_node): Remove extern decl.
2653 * doc/gimple.texi (make_phi_node): Remove documentation.
2655 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2657 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2658 * tree-ssa-sccvn.c (print_scc): Ditto.
2660 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2662 * doc/passes.texi (Full redundancy elimination): Fix typo.
2664 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2666 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2668 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2671 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2673 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2676 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2678 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2680 * config/avr/avr.md (code_stdname): Add ior, xor.
2681 (xior): New code iterator.
2682 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2683 (*<code_stdname><mode>qi.byte1-3): Ditto.
2685 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2687 PR tree-optimization/52019
2688 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2691 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2693 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2694 HAVE_INITFINI_ARRAY to work around namespace pollution in
2695 certain versions of newlib system headers.
2696 * config.in: Regenerate.
2697 * configure: Regenerate.
2698 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2699 instead of HAVE_INITFINI_ARRAY.
2701 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2704 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2705 is not offsettable memory reference.
2707 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2710 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2711 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2713 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2715 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2716 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2718 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2720 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2721 library on Solaris 8 even without TLS support.
2722 * configure: Regenerate.
2724 2012-02-22 Richard Guenther <rguenther@suse.de>
2727 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2728 for GIMPLE_DEBUG stmts.
2730 2012-02-22 Martin Jambor <mjambor@suse.cz>
2733 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2734 according to the base object.
2736 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2738 PR rtl-optimization/50063
2739 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2740 and 2 (8-bit SP) in operand 2.
2741 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2742 setup to use movhi_sp_r instead of vanilla move to write SP.
2743 Adjust REG_CFA notes to superseed unspec.
2744 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2746 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2747 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2748 irq_state 1 (IRQ known to be on) here.
2750 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2752 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2754 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2755 assign_hard_reg): Likewise.
2757 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2759 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2761 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2764 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2765 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2767 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2769 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2770 prototype from here to...
2771 * config/avr/avr.h: ...here.
2773 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2776 * thumb2.md (thumb2_shiftsi3_short): Split register and
2777 immediate shifts. For register shifts tie operands 0 and 1.
2778 (peephole2 for above): Check that register-controlled shifts
2779 have suitably tied operands.
2781 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2784 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2785 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2786 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2787 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2788 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2789 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2790 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2791 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2792 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2793 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2794 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2795 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2796 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2797 bdver1_ssevector_avx256_unaligned_load,
2798 bdver1_ssevector_sse128_unaligned_load,
2799 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2800 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2801 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2802 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2803 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2804 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2805 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2806 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2807 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2808 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2809 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2810 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2811 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2812 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2813 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2814 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2815 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2816 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2817 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2818 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2819 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2820 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2821 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2822 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2823 bdver1_ssediv_double_load, bdver1_ssediv_double,
2824 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2825 Add "bdver2" attribute.
2827 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2829 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2830 default if possible and not specified otherwise.
2832 2012-02-21 Richard Guenther <rguenther@suse.de>
2835 * gimplify.c (create_tmp_from_val): Use the main variant type
2836 for the type of the temporary we create.
2838 2012-02-21 Richard Guenther <rguenther@suse.de>
2840 PR tree-optimization/52324
2841 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2842 do not gimplify a MEM_REF address operand if it is already
2845 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2847 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2848 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2850 2012-02-21 Richard Guenther <rguenther@suse.de>
2852 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2853 nested_in_vect_loop.
2855 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2857 PR tree-optimization/52318
2858 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2859 vdef also to non-pure/const call stmts in the sequence.
2861 2012-02-20 David S. Miller <davem@davemloft.net>
2863 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2864 don't use the "rd %pc" instruction on v9 for PIC register loads.
2866 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2869 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2870 in a transaction safe function.
2872 2012-02-20 Kai Tietz <ktietz@redhat.com>
2875 * stor-layout.c (place_field): Handle desired_align for
2878 2012-02-20 Richard Guenther <rguenther@suse.de>
2880 PR tree-optimization/52298
2881 * tree-vect-stmts.c (vectorizable_store): Properly use
2882 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2884 (vectorizable_load): Likewise.
2885 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2886 Access DR_STEP after ensuring it is not NULL.
2888 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2890 PR tree-optimization/52286
2891 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2892 optimization use double_int_to_tree instead of build_int_cst_wide,
2893 rewrite to use double_int vars.
2895 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2898 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2900 Remove -e 0 from $gcc_cv_ld invocation.
2901 Only use __GLIBC_PREREQ if defined.
2902 Enable on Solaris since Solaris 8 patch.
2903 (gcc_SUN_LD_VERSION): New macro.
2904 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2905 gcc_SUN_LD_VERSION for version number format.
2906 * configure: Regenerate.
2907 * varasm.c (get_elf_initfini_array_priority_section): Set
2908 SECTION_NOTYPE for non-default priority.
2909 Use get_section instead of get_unnamed_section to emit
2910 .init_array/.fini_array with default priority.
2912 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2914 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2915 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2916 (mips_start_unique_function, mips_output_mips16_rdhwr)
2917 (mips_code_end): New functions.
2918 (TARGET_ASM_CODE_END): Define.
2920 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2922 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2923 to stubs with non-sibling calls.
2925 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2927 * doc/invoke.texi (-fira-* options): Copy-edit.
2928 (ira-* parameters): Copy-edit.
2930 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2932 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2933 GCC coding conventions.
2935 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2937 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2938 when used as adjectives.
2940 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2942 * doc/invoke.texi: Clean up "that"/"which" confusion.
2944 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2946 * system.h: Poison SMALL_REGISTER_CLASSES
2947 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2948 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2950 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2952 PR tree-optimization/52285
2953 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2954 when deciding if a call is a tail call or tail recursion.
2956 2012-02-16 Kai Tietz <ktietz@redhat.com>
2958 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2959 interger-constant displacement for UNSPEC_PCREL.
2961 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2963 PR rtl-optimization/52208
2964 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2965 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2967 PR tree-optimization/52255
2968 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2969 loop->header has virtual PHI, but exit_e->dest doesn't, add
2970 virtual PHI to exit_e->dest and adjust all uses after the loop.
2973 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2974 children with clone_tree_hash, not after it.
2976 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2978 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2979 extended identifiers.
2981 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2984 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2985 a same_body_alias, also test whether e->callee isn't a former
2986 or current clone of the decl this is a same body alias of.
2988 PR translation/52264
2989 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2991 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2993 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2995 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2998 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2999 force_reg instead of copy_to_reg for better optimization. Force
3000 non-register or memory operands into a register.
3002 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
3004 * extend.texi: Reserve upper bits of memory model for future use.
3006 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
3007 Anatoly Sokolov <aesok@post.ru>
3008 Eric Weddington <eric.weddington@atmel.com>
3011 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3012 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3013 Rewrite initializers for .macro.
3014 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3015 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3016 atxmega32d4, atxmega32x1.
3017 avrxmega4: atxmega64a3, atxmega64d3.
3018 avrxmega5: atxmega64a1, atxmega64a1u.
3019 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3020 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3021 avrxmega7: atxmega128a1, atxmega128a1u.
3022 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3023 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3024 (struct base_arch_s): Rename reserved to xmega_p.
3025 Rename reserved2 to have_rampd.
3026 (AVR_XMEGA): New define.
3027 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3028 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3029 * config/avr/predicates.md (io_address_operand): Take into
3031 (low_io_address_operand): Ditto.
3032 (high_io_address_operand): Ditto.
3033 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3034 (enabled, movhi_sp_r): Use them.
3035 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3036 cpp_define_formatted to built-in define __AVR_ARCH__.
3037 (__AVR_XMEGA__): New built-in define.
3038 (__AVR_HAVE_RAMPD__): New built-in define.
3039 (__AVR_HAVE_RAMPX__): New built-in define.
3040 (__AVR_HAVE_RAMPY__): New built-in define.
3041 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3043 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3044 (avr_option_override): Initialize them.
3045 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3046 (avr_init_expanders): Initialize them. No more block several calls.
3047 (emit_push_sfr): New static function.
3048 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3050 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3051 (avr_print_operand): Print addreeses as symbols for
3052 RAMPX, RAMPY, RAMPD, CCP.
3053 (output_movhi): Handle AVR_XMEGA when writing to SP.
3054 (avr_out_movhi_mr_r_xmega): New static function.
3055 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3056 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
3057 __RAMPD__, __CCP__ as needed.
3059 * config/avr/multilib.h: Regenerate.
3060 * config/avr/t-multilib: Regenerate.
3061 * config/avr/avr-tables.opt: Regenerate.
3063 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3065 PR tree-optimization/50561
3066 * graphite-flattening.c (lst_project_loop): Do not
3067 remove old scattering dimensions after flattening.
3068 (lst_do_flatten): Likewise.
3070 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3072 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3073 __builtin_avr_map8, __builtin_avr_map16.
3074 Document __builtin_avr_insert_bits.
3076 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3077 (insert_bits): New insn.
3078 (adjust_len.map_bits): Rename to insert_bits.
3079 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3080 * avr-protos.h (avr_out_map_bits): Remove.
3081 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3082 * config/avr/constraints.md (Cxf,C0f): New.
3083 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3084 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3085 New built-in define __BUILTIN_AVR_INSERT_BITS.
3086 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3087 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3088 (avr_move_bits): Rewrite.
3089 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3091 (avr_map_op_t): New typedef.
3092 (avr_map_op): New static variable.
3093 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3094 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3095 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3096 (bdesc_3arg, avr_expand_triop_builtin): New.
3097 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3098 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3099 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3100 (avr_map_equal_p, avr_map_sig_p): Remove.
3101 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3102 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3103 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3104 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3105 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3106 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3108 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3110 * config/c6x/c6x.md (reserve_cycles): New attribute.
3111 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3112 don't reserve functional units after the branch occurs.
3114 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3117 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3118 functions into non-tm_pure functions.
3120 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3123 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3124 (iterative_hash_canonical_type): Likewise.
3125 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3128 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3130 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3131 sched-group insn, it either remains alone or the entire list is pruned.
3133 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3135 * doc/install.texi (Prerequisites): Fix grammar.
3136 (Configuration): Likewise.
3138 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3140 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3141 MPC as part of GCC before describing configuring with --with-gmp etc.
3142 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3143 sources are present.
3145 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3148 * dwarf2out.c (clone_tree_hash): New function.
3149 (copy_decls_walk): Use it instead of clone_tree.
3151 2012-02-14 Richard Guenther <rguenther@suse.de>
3153 PR tree-optimization/52244
3154 PR tree-optimization/51528
3155 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3156 replacements for integral types.
3158 2012-02-14 Walter Lee <walt@tilera.com>
3160 * config.gcc: Handle tilegx and tilepro.
3161 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3163 Add HAVE_AS_TLS check for tilegx and tilepro.
3164 * configure: Regenerate.
3165 * doc/contrib.texi: Add Mat Hostetter and self.
3166 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3167 Document instruction intrinsics and network accessing intrinsics.
3168 (TILEPro Built-in Functions): New node. Document instruction
3169 intrinsics and network accessing intrinsics.
3170 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3171 (Specific, tilepro-*-linux*): Likewise.
3172 * doc/invoke.texi (TILE-Gx Options): New section.
3173 (TILEPro Options): New section.
3174 * doc/md.texi (TILE-Gx): New section.
3175 (TILEPro): New section.
3176 * common/config/tilegx/tilegx-common.c: New file.
3177 * common/config/tilepro/tilepro-common.c: New file.
3178 * config/tilegx/constraints.md: New file.
3179 * config/tilegx/linux.h: New file.
3180 * config/tilegx/mul-tables.c: New file.
3181 * config/tilegx/predicates.md: New file.
3182 * config/tilegx/sync.md: New file.
3183 * config/tilegx/t-tilegx: New file.
3184 * config/tilegx/tilegx-builtins.h: New file.
3185 * config/tilegx/tilegx-c.c: New file.
3186 * config/tilegx/tilegx-generic.md: New file.
3187 * config/tilegx/tilegx-modes.def: New file.
3188 * config/tilegx/tilegx-multiply.h: New file.
3189 * config/tilegx/tilegx-protos.h: New file.
3190 * config/tilegx/tilegx.c: New file.
3191 * config/tilegx/tilegx.h: New file.
3192 * config/tilegx/tilegx.md: New file.
3193 * config/tilegx/tilegx.opt: New file.
3194 * config/tilepro/constraints.md: New file.
3195 * config/tilepro/gen-mul-tables.cc: New file.
3196 * config/tilepro/linux.h: New file.
3197 * config/tilepro/mul-tables.c: New file.
3198 * config/tilepro/predicates.md: New file.
3199 * config/tilepro/t-tilepro: New file.
3200 * config/tilepro/tilepro-builtins.h: New file.
3201 * config/tilepro/tilepro-c.c: New file.
3202 * config/tilepro/tilepro-generic.md: New file.
3203 * config/tilepro/tilepro-modes.def: New file.
3204 * config/tilepro/tilepro-multiply.h: New file.
3205 * config/tilepro/tilepro-protos.h: New file.
3206 * config/tilepro/tilepro.c: New file.
3207 * config/tilepro/tilepro.h: New file.
3208 * config/tilepro/tilepro.md: New file.
3209 * config/tilepro/tilepro.opt: New file.
3211 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3213 PR tree-optimization/52210
3214 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3215 vect_model_simple_cost with two entry vect_def_type array instead
3216 of an address of dt.
3218 2012-02-14 Richard Guenther <rguenther@suse.de>
3221 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3222 Do not stream DECL_QUALIFIER.
3223 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3224 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3225 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3227 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3230 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3233 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3236 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3237 * cselib.c (cselib_subst_to_values_from_insn): New function.
3238 * sched-deps.c (add_insn_mem_dependence,
3239 sched_analyze_1, sched_analyze_2): Use it.
3241 2012-02-13 Jan Hubicka <jh@suse.cz>
3244 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3246 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3248 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3249 (GTM_SELF_SPECS): Define if not already defined.
3250 (driver_self_specs): Add GTM_SELF_SPECS.
3251 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3252 (GTM_SELF_SPECS): Define.
3253 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3254 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3256 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3258 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3261 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3264 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3265 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3267 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3270 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3272 2012-02-13 Richard Guenther <rguenther@suse.de>
3274 PR translation/52211
3275 * passes.c (enable_disable_pass): Fix typo.
3277 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3280 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3281 XOR for reduce_bit_field if type is unsigned.
3283 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3285 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3286 disallow changes from SFmode to mode with different size in FP regs.
3288 2012-02-12 Robert Millan <rmh@gnu.org>
3289 Gerald Pfeifer <gerald@pfeifer.com>
3291 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3294 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3296 PR rtl-optimization/52175
3297 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3298 to frame-related instructions.
3300 2012-02-10 Jason Merrill <jason@redhat.com>
3303 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3304 (demangle_new_symbols): Fill it.
3305 (scan_linker_output): Walk it.
3306 (start_tweaking): Split out from scan_linker_output.
3307 (maybe_tweak): Update sym->chosen.
3308 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3310 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3313 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3315 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3317 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3318 having the same mode as previous compare.
3320 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3322 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3323 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3324 (nonlocal_goto_internal): Likewise.
3325 (nonlocal_goto): Emit a use and an indirect jump directly.
3327 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3330 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3331 __atomic_{is,always}_lock_free.
3333 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3336 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3337 negative constant address for x32.
3339 2012-02-10 Richard Henderson <rth@redhat.com>
3341 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3342 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3343 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3345 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3346 Ira Rosen <irar@il.ibm.com>
3348 PR tree-optimization/50031
3349 * targhooks.c (default_builtin_vectorization_cost): Handle
3351 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3352 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3353 all types of reduction and pattern statements.
3354 (vect_estimate_min_profitable_iters): Likewise.
3355 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3356 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3357 for explicit realigns.
3358 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3359 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3361 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3362 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3363 vec_perm for VSX and handle vec_promote_demote.
3365 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3368 * builtins.c (fold_builtin_atomic_always_lock_free,
3369 expand_builtin_atomic_always_lock_free,
3370 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3371 Return and/or test boolean_true_node/boolean_false_node instead of
3372 integer_one_node/integer_zero_node.
3374 2012-02-10 Jan Hubicka <jh@suse.cz>
3377 * predict.c (predict_paths_for_bb): Prevent looping.
3378 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3380 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3382 * config/arm/arm.c (output_move_double): In one case properly
3383 count number of instructions that will be emitted.
3385 2012-02-10 Richard Guenther <rguenther@suse.de>
3387 PR translation/52193
3388 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3390 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3393 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3395 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3398 * var-tracking.c (emit_note_insn_var_location): If
3399 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3400 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3401 non-NOTE_DURING_CALL_P insn.
3403 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3406 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3408 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3411 * gcc.c (switch_matches) Support switches with separated form,
3414 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3416 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3418 (RAMPZ_ADDR): Ditto.
3419 * config/avr/avr.c (avr_addr_t): New typedef.
3420 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3421 (avr_init_expanders): Initialize it.
3422 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3424 (expand_epilogue): Ditto.
3425 (avr_print_operand): Ditto.
3426 (avr_file_start): Ditto.
3427 (avr_emit_movmemhi): Ditto.
3429 2012-02-08 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/46886
3432 * tree-flow.h (do_while_loop_p): Declare.
3433 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3434 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3436 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3438 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3439 always succeed for integers larger than a native word.
3441 2012-02-08 Richard Guenther <rguenther@suse.de>
3443 PR rtl-optimization/52170
3444 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3445 properly handle integer vector modes.
3447 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3449 PR gcov-profile/52150
3450 * coverage.c: Include target.h.
3451 (build_var): Call targetm.strip_name_encoding on the assembler name.
3452 Change one _ into . or $ if the target allows it.
3453 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3455 PR rtl-optimization/52139
3456 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3457 is a BARRIER after emit_insn_after_noloc, move BB_END
3458 to the last non-BARRIER insn before it.
3460 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3463 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3464 (mips_gimplify_va_arg_expr): Call it instead of
3465 std_gimplify_va_arg_expr.
3467 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3469 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3470 message for -mno-pointers-to-nested-function.
3472 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3475 * expr.c (get_inner_reference): If there is an offset, add a negative
3476 bit position to it (if any).
3478 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3480 PR rtl-optimization/52060
3481 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3482 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3483 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3484 and/or i0src_copy2 when needed.
3486 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3488 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3489 or LTOPLUGINSONAME if have_c.
3491 * config/freebsd-spec.h: Add comment about what macros can be defined
3493 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3494 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3497 2012-02-07 Richard Guenther <rguenther@suse.de>
3499 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3500 newline in -alias dumps.
3502 2012-02-07 Kai Tietz <ktietz@redhat.com>
3503 Dave Korn <dave.korn.cygwin@gmail.com>
3506 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3507 Take care that typinfo gets dllexport-attribute.
3509 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3512 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3513 if modifier < EXPAND_SUM call force_operand on the result.
3515 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3517 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3518 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3520 (epiphany_function_type): Replace types for specific interrupts with
3521 EPIPHANY_FUNCTION_INTERRUPT.
3522 (EPIPHANY_INTERRUPT_P): Update.
3523 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3524 New static function.
3525 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3526 <disinterrupt>: Affects type identity.
3527 (epiphany_handle_interrupt_attribute): Handle variable number of
3529 (epiphany_compute_function_type): Update for new
3530 epiphany_function_type definition.
3531 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3532 handlers with a longcall forwarder.
3533 (epiphany_start_function): Handle multiple interrupt arguments and/or
3534 forwarder_section attribute.
3536 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3539 2012-02-07 Alan Modra <amodra@gmail.com>
3542 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3545 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3547 PR tree-optimization/50969
3548 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3549 use vec_perm rather than vector_stmt.
3550 (vect_model_load_cost): Likewise.
3551 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3552 vec_perm to be the same as other vector statements.
3553 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3554 cost of vec_perm for TARGET_VSX.
3556 2012-02-06 Richard Guenther <rguenther@suse.de>
3558 PR tree-optimization/52115
3559 * tree-sra.c (access_has_replacements_p): New function.
3560 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3562 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3565 * trans-mem.c (expand_call_tm): Add an assertion.
3566 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3569 2012-02-06 Richard Guenther <rguenther@suse.de>
3571 PR tree-optimization/50955
3572 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3573 raise cost of expressions that replace an address with an
3574 expression based on a different pointer.
3576 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3579 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3580 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3582 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3585 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3586 -Weffc++ and specify guidelines come from second edition.
3588 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3590 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3591 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3592 (call_direct_split, call_value_split, call_value_internal_direct)
3593 (call_value_direct_split, call_value_multiple_split): Use jal and
3594 jal_macro attributes.
3596 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3598 * reload1.c (reload_regs_reach_end_p): Replace with...
3599 (reload_reg_rtx_reaches_end_p): ...this function.
3600 (new_spill_reg_store): Update commentary.
3601 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3602 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3603 before setting new_spill_reg_store.
3604 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3605 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3606 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3607 for non-spill reload registers.
3609 2012-02-05 Ira Rosen <irar@il.ibm.com>
3611 PR tree-optimization/52091
3612 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3613 (vect_is_simple_use_1): Likewise.
3614 * tree-vect-loop.c (vectorizable_reduction): Update calls
3615 to vect_is_simple_use_1 and vect_is_simple_use.
3616 (vectorizable_live_operation): Likewise.
3617 * tree-vect-patterns.c (widened_name_p,
3618 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3619 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3620 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3621 vectorizable_shift,vectorizable_operation, vectorizable_store,
3622 vectorizable_load): Likewise.
3623 (vect_is_simple_cond): Add an argument, pass it to
3624 vect_is_simple_use_1.
3625 (vectorizable_condition): Update calls to vect_is_simple_cond,
3627 (vect_is_simple_use): Add an argument, the statement in which
3628 OPERAND is used. Check that if OPERAND's def stmt is a double
3629 reduction phi node, the use is a phi node too.
3630 (vect_is_simple_use_1): Add an argument, pass it to
3632 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3633 to vect_is_simple_use.
3635 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3637 PR rtl-optimization/52095
3638 * modulo-sched.c (dump_insn_locator): New function.
3639 (loop_canon_p, sms_schedule): Use it.
3641 PR rtl-optimization/52113
3642 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3643 even for decomposable shift/zext insns.
3645 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3646 Zdenek Dvorak <ook@ucw.cz>
3648 PR rtl-optimization/52092
3649 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3650 on get_iv_value result.
3652 2012-02-02 Andrew Pinski <apinski@cavium.com>
3656 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3658 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3661 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3663 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3665 PR rtl-optimization/49800
3666 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3667 (sched_finish): Call regstat_free_n_sets_and_refs.
3669 2012-02-02 Jia Liu <proljc@gmail.com>
3671 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3674 2012-02-02 Jan Hubicka <jh@suse.cz>
3675 Tom de Vries <tom@codesourcery.com>
3678 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3679 * varpool.c (varpool_analyze_pending_decls): Likewise.
3681 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3682 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3684 * config.gcc: Add cr16-* support.
3686 * doc/extend.texi: Document cr16 extensions.
3687 * doc/install.texi: Document cr16 install.
3688 * doc/invoke.texi: Document cr16 options.
3689 * doc/md.texi: Document cr16 constraints.
3691 * common/config/cr16/cr16-common.c: New file.
3692 * config/cr16/cr16.c: New file.
3693 * config/cr16/cr16.h: New file.
3694 * config/cr16/cr16.md: New file.
3695 * config/cr16/cr16.opt: New file.
3696 * config/cr16/cr16-protos.h: New file.
3697 * config/cr16/predicates.md: New file.
3698 * config/cr16/constraints.md: New file.
3699 * config/cr16/t-cr16: New file.
3701 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3704 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3705 that operands[2] is either immediate, or q_regs_operand.
3707 PR tree-optimization/52073
3708 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3709 a pattern stmt for pattern uses, ignore uses outside of the loop.
3711 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3713 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3714 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3715 (OUT_AS1, OUT_AS2): Remove.
3717 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3719 PR rtl-optimization/51374
3720 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3721 to cross other volatile_refs_p insns.
3723 2012-02-01 Richard Guenther <rguenther@suse.de>
3725 * doc/invoke.texi (fno-inline): Clarify documentation.
3726 (finline-small-functions): Likewise.
3727 (finline-functions): Likewise.
3728 * common.opt (finline): Adjust comment and documentation.
3729 (finline-small-functions): Clarify documentation.
3730 (finline-functions): Likewise.
3731 (finline-functions-called-once): Likewise.
3733 2012-02-01 Tristan Gingold <gingold@adacore.com>
3735 * c-typeck.c (composite_type): Keep mode for pointers.
3737 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3739 * function.h (regno_reg_rtx): Adjust comment.
3740 * reginfo.c (init_reg_modes_target): Only use the previous mode
3741 if it fits within one register. Remove MIPS comment.
3743 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3746 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3748 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3750 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3751 to srak instruction.
3753 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3755 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3757 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3762 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3764 2012-01-31 Richard Guenther <rguenther@suse.de>
3766 PR tree-optimization/51528
3767 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3770 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3775 * ree.c (add_removable_extension): Change def_map argument
3776 to unsigned *, store in def_map 1 + offset into *insn_list vector
3777 instead of pointers into the vector.
3778 (find_removable_extensions): Adjust caller.
3780 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3782 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3783 Transform all "* quoted-c-code" to { c-code }.
3784 Remove redundant test for "optimize" in combine patterns.
3785 Move (include "avr-dimode.md") to end of file.
3787 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3790 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3791 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3793 2012-01-30 Richard Guenther <rguenther@suse.de>
3795 PR tree-optimization/52028
3796 * tree-loop-distribution.c (ldist_gen): Properly update
3799 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3802 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3803 set_cur_line_info_table if not emitting debug info.
3805 PR tree-optimization/52046
3806 * tree-vect-patterns.c (check_bool_pattern): Give up if
3807 a comparison could throw.
3810 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3812 2012-01-30 Richard Guenther <rguenther@suse.de>
3814 PR tree-optimization/52045
3815 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3816 SSA form if cfgcleanup did anything.
3818 2012-01-30 Richard Guenther <rguenther@suse.de>
3820 PR tree-optimization/52045
3821 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3822 before computing final todo.
3824 2012-01-30 Richard Guenther <rguenther@suse.de>
3826 PR tree-optimization/51528
3827 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3830 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3832 * df-problems.c (df_kill_notes): Check that the use refers
3833 to the note under examination.
3835 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3838 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3839 parameter and use short-lived pseudos.
3840 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3841 (sparc_expand_vector_init): Const-ify local variables and adjust
3842 calls to above functions.
3844 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3846 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3848 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3850 * doc/invoke.texi: Make usage of "compile time" and
3851 "run time"/"runtime" consistent throughout the file.
3853 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3855 * config/alpha/alpha.c (alpha_option_override): Default to
3856 full IEEE compliance mode for Go language.
3858 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3860 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3861 (LINK_SSP_SPEC): Define.
3863 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3866 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3869 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3871 * doc/invoke.texi: Correct hyphenation of "floating point",
3872 "double precision", and related terminology throughout the file.
3874 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3877 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3878 arm_general_register_operand predicate for operand 2 instead of
3881 2012-01-27 Ian Lance Taylor <iant@google.com>
3884 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3885 * builtins.c (expand_builtin_init_trampoline): Add onstack
3886 parameter. Change caller.
3887 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3888 * tree.c (build_common_builtin_nodes): Declare
3889 __builtin_init_heap_trampoline.
3891 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3893 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3894 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3895 * config/avr/avr.c: Ditto.
3896 (avr_regnames): Remove because unused.
3897 * config/avr/avr.md (*cpse.ne): New peephole.
3898 (*cpse.eq): New peephole from former cpse peepholes.
3900 2012-01-27 Michael Eager <eager@eagercon.com>
3902 * config/microblaze.c (microblaze_emit_compare): Correct
3903 test after pcmp instruction.
3905 2012-01-27 Richard Guenther <rguenther@suse.de>
3907 PR tree-optimization/52020
3908 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3910 2012-01-27 Richard Guenther <rguenther@suse.de>
3912 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3913 function non-const/pure.
3915 2012-01-27 Richard Guenther <rguenther@suse.de>
3917 PR tree-optimization/50444
3918 * tree-sra.c (build_ref_for_offset): Properly adjust the
3919 MEM_REF type for unaligned accesses.
3921 2012-01-27 Richard Guenther <rguenther@suse.de>
3923 PR tree-optimization/50444
3924 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3925 (expand_assignment): Use it. Properly handle misaligned
3926 bases when expanding stores to component references.
3927 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3930 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3933 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3934 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3935 * tree-data-ref.c (find_data_references_in_loop): Make static.
3936 (compute_all_dependences): Change return type to bool. Bail out
3937 for too many datarefs in a loop. Move the hunk resetting the data
3938 dependences vector from ...
3939 (compute_data_dependences_for_loop): ... here. Account for
3940 compute_all_dependences returning false.
3941 (compute_data_dependences_for_bb): Likewise.
3942 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3943 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3945 2012-01-27 Richard Guenther <rguenther@suse.de>
3948 * expr.c (store_field): Use the alias-set of the scratch memory
3951 2012-01-27 Tom de Vries <tom@codesourcery.com>
3953 PR tree-optimization/51990
3954 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3956 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3958 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3961 * var-tracking.c (reverse_op): Don't add any reverse operation
3962 if V already has any constant locations.
3964 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3966 * doc/invoke.texi: Correct usage of "command line" (noun)
3967 vs "command-line" (adjective) throughout.
3969 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3971 * doc/invoke.texi (Language Independent Options): Move
3972 -Wcoverage-mismatch blurb from here....
3973 (Warning Options): ...to here.
3975 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3977 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3978 Set rs6000_always_hint to false for 476.
3980 2012-01-27 Matthias Klose <doko@ubuntu.com>
3982 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3984 * incpath.c (add_standard_paths): Likewise.
3986 2012-01-27 Richard Henderson <rth@redhat.com>
3988 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3989 * config/m68k/sync.md (atomic_test_and_set): Rename from
3990 sync_test_and_setqi and adjust the operands.
3991 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3992 and unconditionally enable.
3994 2012-01-27 Richard Henderson <rth@redhat.com>
3996 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3997 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3998 (ldstub): Rename from ldstubqi.
3999 (ldstub<I24MODE>): Remove.
4001 2012-01-27 Richard Henderson <rth@redhat.com>
4003 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4004 * c-cppbuiltin.c (cpp_atomic_builtins): Define
4005 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4006 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4007 * doc/tm.texi: Rebuild.
4009 2012-01-27 Richard Henderson <rth@redhat.com>
4011 * optabs.c (gen_atomic_test_and_set): Remove default.
4012 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4014 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4016 PR rtl-optimization/51978
4017 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4018 (combine_reaching_defs): Likewise.
4019 (struct re_info): Remove.
4020 (add_removable_extension): Remove x and data arguments,
4021 add insn, insn_list and def_map. Use the arguments directly
4022 instead of using struct re_info.
4023 (find_removable_extensions): Don't call add_removable_extension
4024 through note_stores, instead just call it with single_set
4026 (find_and_remove_re): Pass curr_cand->expr instead of
4027 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4029 2012-01-26 Michael Matz <matz@suse.de>
4031 PR tree-optimization/46590
4032 * cfgexpand.c: Revert last change (r183305).
4033 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4035 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4036 checking for emptiness.
4038 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4041 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4042 non-addressable non-BLKmode base correctly.
4044 2012-01-26 Michael Matz <matz@suse.de>
4046 PR tree-optimization/48794
4047 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4048 regions referenced from RESX/EH_DISPATCH.
4050 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4052 * config/s390/s390.h: Make BRANCH_COST an option.
4053 * config/s390/s390.opt: New option -mbranch-cost.
4055 2012-01-26 Richard Henderson <rth@redhat.com>
4057 Revert 2012-01-24 change:
4058 * trans-mem.c (requires_barrier): Do not instrument thread local
4059 variables and emit save/restore for them.
4061 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4064 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4067 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4069 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4072 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4075 Rename __pgm to __flash.
4076 Rename __pgm1 to __flash1.
4077 Rename __pgm2 to __flash2.
4078 Rename __pgm3 to __flash3.
4079 Rename __pgm4 to __flash4.
4080 Rename __pgm5 to __flash5.
4081 Rename __pgmx to __memx.
4082 * doc/extend.texi (AVR Named Address Spaces)
4083 Rename address space names as indicated above.
4084 * config/avr/avr.c (avr_addrspace): Ditto.
4086 * config/avr/avr-protos.h
4087 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4088 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4089 * config/avr/predicates.md: Ditto.
4090 * config/avr/avr.c Ditto, and
4091 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4092 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4094 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4095 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4096 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4097 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4098 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4099 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4100 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4101 * config/avr/avr.c: Ditto.
4102 * config/avr/avr.md: Ditto.
4104 2012-01-25 Jason Merrill <jason@redhat.com>
4107 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4109 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4111 PR tree-optimization/51987
4112 * tree-data-ref.c (get_references_in_stmt): Handle references in
4113 non-volatile GIMPLE_ASM.
4115 2012-01-25 Richard Guenther <rguenther@suse.de>
4117 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4118 bases are dereferenced.
4120 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4122 PR rtl-optimization/48374
4123 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4125 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4127 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4128 compute_data_dependences_for_loop returns false.
4129 * tree-parloops.c (loop_parallel_p): Likewise.
4131 2012-01-25 Richard Guenther <rguenther@suse.de>
4133 * tree.h (get_pointer_alignment_1): Declare.
4134 * builtins.c (get_pointer_alignment_1): New function.
4135 (get_pointer_alignment): Use it.
4137 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4139 PR rtl-optimization/48308
4140 * combine.c (enum undo_kind): Add UNDO_LINKS.
4141 (struct undo): Add member l to other_contents and where.
4142 (do_SUBST_LINK): New.
4144 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4145 (undo_all): Handle UNDO_LINKS.
4147 2012-01-25 Richard Henderson <rth@redhat.com>
4149 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4152 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4154 * optabs.c (gen_atomic_test_and_set): Use each argument.
4156 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4158 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4159 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4160 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4161 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4162 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4163 TARGET_PAIRED_SINGLE_FLOAT.
4165 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4167 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4168 (in_struct, return_val): Remove MEM documentation.
4169 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4170 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4171 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4173 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4174 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4175 * expr.c (store_field): Likewise.
4176 * function.c (assign_stack_temp_for_type): Likewise.
4177 * ifcvt.c (noce_try_cmove_arith): Likewise.
4178 * reload1.c (reload): Likewise.
4179 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4180 (alpha_set_memflags): Likewise.
4181 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4183 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4185 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4187 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4188 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4189 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4191 * cselib.c (cselib_rtx_varies_p): Delete.
4192 (cselib_invalidate_mem): Update call to canon_true_dependence.
4193 * dse.c (record_store, check_mem_read_rtx): Likewise.
4194 (scan_reads_nospill): Likewise.
4195 * cse.c (check_dependence): Likewise.
4196 (cse_rtx_varies_p): Delete.
4197 * expr.c (safe_from_p): Update call to true_dependence.
4198 * ira.c (validate_equiv_mem_from_store): Likewise.
4199 (memref_referenced_p): Likewise.
4200 * postreload-gcse.c (find_mem_conflicts): Likewise.
4201 * sched-deps.c (sched_analyze_2): Likewise.
4202 * store-motion.c (load_kills_store): Likewise.
4203 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4204 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4205 (compute_transp): Update call to canon_true_dependence.
4207 2012-01-25 Richard Henderson <rth@redhat.com>
4209 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4210 (maybe_emit_atomic_test_and_set): New.
4211 (expand_sync_lock_test_and_set): Use it.
4212 (expand_atomic_test_and_set): Likewise.
4213 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4214 the implementation; clarify implementation defined details.
4215 * doc/md.texi (atomic_test_and_set): Document.
4217 2012-01-25 Richard Henderson <rth@redhat.com>
4219 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4221 2012-01-25 Richard Henderson <rth@redhat.com>
4224 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4225 to effect no-op split.
4227 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4230 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4231 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4232 (BT_FN_VOID_PTR_INT_SIZE): New.
4233 (BT_FN_UINT_UINT_VAR): Remove.
4234 (BT_FN_UINT32_UINT32_VAR): New.
4235 (BT_FN_DOUBLE_VPTR): Remove.
4236 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4238 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4239 (_ITM_changeTransactionMode): Same.
4240 (_ITM_memmoveRtWt): Change return type to void.
4241 (_ITM_memcpyRtWt): Same.
4242 (_ITM_memsetW): Same.
4243 (_ITM_RaRD): Change types to double.
4248 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4250 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4251 Patrick Marlier <patrick.marlier@gmail.com>
4253 * trans-mem.c (requires_barrier): Do not instrument thread local
4254 variables and emit save/restore for them.
4256 2012-01-24 Jason Merrill <jason@redhat.com>
4259 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4260 output static aliases.
4262 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4265 * common.opt (-pie, -shared, pie, shared): Change from Common to
4267 * gcc.c (display_help): Display help for -pie and -shared.
4269 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4272 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4273 Remove note on size/offset limitation.
4274 (AVR Variable Attributes): Add example how to read data located
4275 with progmem. Refer to named address spaces.
4276 * doc/invoke.texi (AVR Options): Fix typo.
4278 2012-01-24 Richard Guenther <rguenther@suse.de>
4280 Forward-port to trunk
4281 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4284 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4285 op0 isn't sufficiently aligned and there is movmisalignM
4286 insn for mode, use it to load op0 into a temporary register.
4288 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4291 * target.def (const_not_ok_for_debug_p): New hook.
4292 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4294 * doc/tm.texi: Regenerated.
4295 * dwarf2out.c (const_ok_for_output_1): If
4296 targetm.const_not_ok_for_debug_p returns true, fail.
4297 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4299 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4301 2012-01-23 Kai Tietz <ktietz@redhat.com>
4304 * config/i386/predicates.md (symbolic_operand): Allow
4305 UNSPEC_PCREL as PIC expression for lea.
4306 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4307 * config/i386/i386.c (ix86_delegitimize_address): Handle
4308 UNSPEC_PCREL for none-MEM, too.
4310 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4312 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4313 (ipa_tm_create_version_alias): Same.
4315 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4318 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4319 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4321 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4322 Patrick Marlier <patrick.marlier@gmail.com>
4323 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4326 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4327 simple_object_start_read.
4329 2012-01-23 Richard Guenther <rguenther@suse.de>
4332 PR tree-optimization/51895
4333 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4334 parameter decomposition into BLKmode components.
4336 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4338 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4339 fake variables for restrict-qualified pointers whose pointed-to type
4340 contains a placeholder.
4342 2012-01-23 Richard Guenther <rguenther@suse.de>
4344 PR tree-optimization/51949
4345 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4347 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4349 PR rtl-optimization/51933
4350 * ree.c (transform_ifelse): Return true right away if dstreg is
4351 already wider or equal to cand->mode.
4352 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4353 (make_defs_and_copies_lists): Remove defs_list and copies_list
4354 arguments, add state argument, just truncate state->work_list
4355 instead of always allocating and freeing the vector. Assert that
4356 get_defs succeeds instead of returning 2. Changed return type to bool.
4357 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4358 have ext_src_mode, see if it has been modified already with the
4359 right kind of extension and has been extended before from the
4360 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4361 just return true. Remember the original mode in state->modified array.
4362 (combine_reaching_defs): Add state argument. Don't allocate and
4363 free here def_list, copied_list and vec vectors, instead just
4364 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4365 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4366 Add state variable, clear vectors in it, initialize state.modified
4367 if needed. Free all the vectors at the end and state.modified too.
4368 Don't skip a candidate if the extension expression has been modified.
4370 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4373 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4374 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4375 (extra_options) interix.opt -> i386/interix.opt"
4376 (extra_objs):Add winnt-stubs.o
4377 * configure.ac: Add interix to target_os .comm on PE check.
4378 * configure: Regenerate.
4379 * config/interix3.h: Delete and move bits to..
4380 * config/interix.h: Delete and move bits to..
4381 * config/i386/i386-interix3.h: Delete and move bits to..
4382 * config/i386/i386-interix.h: ..here.
4383 (TARGET_CPU_DEFAULT): Remove redefinition.
4384 (TARGET_ASM_CONSTRUCTOR): Undefine.
4385 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4386 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4387 (PTRDIFF_TYPE): Define.
4388 (LONG_DOUBLE_TYPE_SIZE): Define.
4389 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4390 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4391 (TARGET_SECTION_TYPE_FLAGS): Define.
4392 (ASM_DECLARE_FUNCTION_NAME): Define.
4393 (ASM_OUTPUT_EXTERNAL): Define.
4394 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4395 (ASM_OUTPUT_ALIGNED_BSS): Define.
4396 (PCC_BITFIELD_TYPE_MATTERS): Define.
4397 (USE_CONST_SECTION): Define.
4398 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4399 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4400 (SUPPORTS_ONE_ONLY): Remove.
4401 (I386_PE_STRIP_ENCODING): Define.
4402 * config/interix.opt: Delete and move bits to..
4403 * config/i386/interix.opt: ..here. New.
4404 (mpe-aligned-commons): Add.
4405 * config/i386/t-interix: Add copyright header.
4406 (winnt-stubs.o): Add rule.
4408 2012-01-22 Jason Merrill <jason@redhat.com>
4411 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4412 for extra name aliases.
4414 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4416 PR rtl-optimization/51924
4417 * ree.c (combine_set_extension): Improve debugging message.
4418 (combine_reaching_defs): Likewise.
4419 (get_defs): Rename confusingly named variable.
4420 (find_and_remove_re): Skip a candidate if the extension expression has
4423 2012-01-21 Robert Millan <rmh@gnu.org>
4424 Gerald Pfeifer <gerald@pfeifer.com>
4426 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4427 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4429 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4431 PR tree-optimization/51914
4432 * tree-vect-stmts.c (vectorizable_conversion): For
4433 cvt_type && modifier == WIDEN, put temporary with cvt_type
4434 at the beginning of vec_dsts and set vec_dest to temporary
4437 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4439 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4441 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4443 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4444 * config/rs6000/rs6000.c: Likewise.
4446 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4449 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4450 output_move_double on a copy of operands array.
4452 2012-01-20 Cary Coutant <ccoutant@google.com>
4453 Dodji Seketeli <dodji@redhat.com>
4456 * dwarf2out.c (copy_declaration_context): Return ref to parent
4457 of declaration DIE, if necessary.
4458 (remove_child_or_replace_with_skeleton): Add new parameter; update
4459 caller. Place skeleton DIE under parent DIE of original declaration.
4460 Move call to copy_declaration_context to here ...
4461 (break_out_comdat_types): ... from here.
4463 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4465 PR rtl-optimization/51856
4466 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4469 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4472 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4473 hints for neon loads and stores.
4475 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4479 * doc/extend.texi (Named Address Spaces): Split into subsections.
4480 (AVR Named Address Spaces): New subsection.
4481 (M32C Named Address Spaces): New subsection.
4482 (RL78 Named Address Spaces): New subsection.
4483 (SPU Named Address Spaces): New subsection.
4484 (Variable Attributes): New anchor "AVR Variable Attributes".
4485 (AVR Variable Attributes): Rewrite and avoid wording
4486 "address space" in this context.
4487 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4488 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4489 (AVR Built-in Macros): New subsubsection therein.
4490 * doc/md.texi (AVR constraints): Remove "C04", "R".
4492 2012-01-20 Richard Guenther <rguenther@suse.de>
4494 PR tree-optimization/51903
4495 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4496 when removing stmts.
4498 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4501 * config/arm/arm.c (arm_load_pic_register): Use
4502 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4503 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4504 (arm_pic_static_addr): Likewise.
4505 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4506 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4507 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4508 (pic_load_addr_unified): New.
4510 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4513 * function.c (instantiate_virtual_regs_in_insn): Use
4514 delete_insn_and_edges when removing a wrong asm insn.
4516 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4518 PR rtl-optimization/40761
4519 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4520 Add new member loop_num.
4521 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4522 (ira_build): Remove the parameter.
4524 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4525 (ira.c): Do not build CFG loops for one region allocation. Remove
4526 argument from ira_build call.
4528 * ira-build.c (init_loop_tree_node): New function.
4529 (create_loop_tree_nodes): Use it. Separate the case when CFG
4530 loops are not built.
4531 (more_one_region_p): Check current_loops.
4532 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4534 (add_loop_to_tree): Process loop equal to NULL too.
4535 (form_loop_tree): Separate the case when CFG loops are not built.
4536 Use explicitly number for the root.
4537 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4539 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4540 instead of loop->num.
4541 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4542 (mark_all_loops_for_removal): Ditto.
4543 (remove_unnecessary_regions): Separate the case when CFG loops
4545 (ira_build): Remove the parameter. Use explicit number of regions
4546 when CFG loops are not built.
4548 * ira-color.c (print_loop_title): Separate the case for the root node.
4549 Use loop_num instead of loop->num.
4550 (move_spill_restore): Use loop_num instead of loop->num.
4552 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4553 (change_loop): Ditto.
4554 (change_loop): Use loop_num instead of loop->num.
4556 * ira-lives.c (process_bb_node_lives): Ditto.
4558 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4560 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4562 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4565 * tree-mudflap.c (mf_artificial): New function.
4566 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4567 mx_register_decls, mudflap_enqueue_decl): Use it.
4570 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4571 numbers in the insn pattern.
4573 2012-01-19 Michael Matz <matz@suse.de>
4575 PR tree-optimization/46590
4576 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4577 use it in remembering which conflicts we already created.
4578 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4581 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4584 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4585 (merge_and_complain): Same.
4587 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4590 * config/initfini-array.h: Guard content of the header
4591 with #ifdef HAVE_INITFINI_ARRAY.
4592 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4593 Add initfini-array.h to tm_file here.
4594 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4595 * config.gcc: Don't add initfini-array.h to tm_file here.
4596 * configure: Regenerated.
4598 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4600 PR rtl-optimization/51505
4601 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4602 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4603 (df_note_bb_compute): Update the call to df_kill_notes.
4605 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4607 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4609 2012-01-18 Richard Guenther <rguenther@suse.de>
4611 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4612 of conversions to void *.
4614 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4615 Richard Sandiford <rdsandiford@googlemail.com>
4619 * optabs.h (simplify_expand_binop): Declare.
4620 * optabs.c (simplify_expand_binop): Make global.
4621 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4622 endian targets if the source cannot be exactly covered by word
4625 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4628 * hard-reg-set.h (struct hard_reg_set_container): New type.
4629 * target.h (struct hard_reg_set_container): Forward declare.
4630 * target.def (set_up_by_prologue): New target hook.
4631 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4632 * doc/tm.texi: Regenerated.
4633 * function.c (thread_prologue_and_epilogue_insns): Change
4634 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4635 Call targetm.set_up_by_prologue on it.
4636 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4637 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4639 2012-01-17 Nick Clifton <nickc@redhat.com>
4641 * config/rx/rx.c (rx_can_use_simple_return): New function.
4642 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4643 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4645 2012-01-17 Richard Guenther <rguenther@suse.de>
4648 * expr.c (expand_assignment): Take address-space information
4649 from the address operand of MEM_REF and TARGET_MEM_REF.
4650 (expand_expr_real_1): Likewise.
4652 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4654 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4655 reload dump is requested.
4657 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4660 * trans-mem.c (requires_barrier): Call may_be_aliased.
4662 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4664 PR tree-optimization/51877
4665 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4666 call arguments and fndecls compare equal, instead return false if they
4667 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4668 both SSA_NAMEs that are valueized the same, or they satisfy
4671 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4673 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4675 * configure: Regenerate.
4677 2012-01-16 Jan Hubicka <jh@suse.cz>
4681 * convert.c (convert_to_integer): Use fold_convert for
4682 converting an INTEGER_CST to integer type.
4684 2012-01-16 Jason Merrill <jason@redhat.com>
4687 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4689 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4692 * config/s390/s390.c (s390_chunkify_start): Don't skip
4693 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4694 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4695 If insn is followed by NOTE_INSN_VAR_LOCATION or
4696 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4697 Don't use location of note insns.
4699 PR tree-optimization/51865
4700 * tree-inline.c (tree_function_versioning): Call remap_decl
4701 on DECL_RESULT whenever it has VOID_TYPE_P type.
4703 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4705 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4706 for calls to locally-binding MIPS16 functions if only the return
4707 type uses float regs.
4709 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4710 Richard Sandiford <rdsandiford@googlemail.com>
4712 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4713 (SYMBOL_32_HIGH): Likewise.
4714 (mips_output_tls_reloc_directive): Declare.
4715 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4716 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4717 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4718 (mips_lo_relocs, mips_hi_relocs): Make extern.
4719 (mips16_stub_function): Move up file.
4720 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4721 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4722 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4723 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4724 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4725 (mips_get_tp): Add MIPS16 support.
4726 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4727 Generalize DTPREL and TPREL handling.
4728 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4729 Add MIPS16 TLS support.
4730 (mips_output_tls_reloc_directive): New function.
4731 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4732 * config/mips/predicates.md (symbolic_operand_with_high)
4733 (tls_reloc_operand): New predicates.
4734 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4735 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4736 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4737 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4738 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4739 (*tls_get_tp_mips16_call_<mode>): Likewise.
4741 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4743 PR rtl-optimization/51821
4744 * recog.c (peep2_find_free_register): Determine clobbered registers
4747 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4750 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4751 * config/avr/avr.c: Likewise.
4752 * config/avr/avr.h: Likewise.
4754 2012-01-13 Ian Lance Taylor <iant@google.com>
4757 * tree.h (TYPE_QUALS): Add cast to int.
4758 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4760 2012-01-13 Ian Lance Taylor <iant@google.com>
4762 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4763 comparing param_index to VEC_length result.
4765 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4767 * c-decl.c: Do not include tree-mudflap.h
4768 * tree-optimize.c: Likewise.
4769 * Makefile.in: Update dependencies.
4771 2012-01-13 Richard Guenther <rguenther@suse.de>
4774 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4775 variable-sized result always use RSO.
4777 2012-01-12 DJ Delorie <dj@redhat.com>
4779 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4780 pointer type, not just the default pointer type.
4782 2012-01-09 Richard Henderson <rth@redhat.com>
4783 Denis Chertykov <chertykov@gmail.com>
4786 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4787 * config/avr/avr.c (avr_can_eliminate): Simplify.
4788 (avr_initial_elimination_offset): Likewise.
4789 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4790 (expand_epilogue): Likewise.
4791 (avr_legitimize_address): Gut.
4792 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4793 (avr_hard_regno_nregs): New.
4794 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4795 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4796 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4797 add soft frame pointer.
4798 (CALL_USED_REGISTERS): Likewise.
4799 (REG_CLASS_CONTENTS): Likewise.
4800 (REGISTER_NAMES): Likewise.
4801 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4802 (HARD_FRAME_POINTER_REGNUM): New.
4803 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4804 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4805 remove the HARD_FRAME_POINTER self-elimination.
4807 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4810 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4811 DECL_EXTERNAL when checking for initializers of progmem variables.
4813 2012-01-12 Ira Rosen <irar@il.ibm.com>
4815 PR tree-optimization/51799
4816 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4817 that the last operation is a type demotion.
4819 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4821 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4822 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4824 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4827 * combine.c (distribute_notes): If i3 is a noreturn call,
4828 allow old_size to be equal to args_size and make sure the
4829 noreturn call gets REG_ARGS_SIZE note.
4830 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4831 on noreturn calls even when the delta is 0.
4833 2012-01-11 Nathan Sidwell <nathan@acm.org>
4835 * gcov.c (STRING_SIZE): Remove.
4836 (generate_results): Erase annotations for source files with no
4837 coverage information.
4839 (output_lines): Use it.
4841 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4843 * gimple.h (gimplify_body): Remove first argument.
4844 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4845 pointer set here, instead just pass DATA to walk_tree.
4846 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4847 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4848 (unvisit_body): Likewise, but with unmark_visited.
4849 (gimplify_body): Remove BODY_P argument and adjust.
4850 (gimplify_function_tree): Adjust call to gimplify_body.
4851 * omp-low.c (finalize_task_copyfn): Likewise.
4853 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4855 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4856 (build_function_type_skip_args): Delete.
4857 * tree.c (build_function_type_skip_args): Make static and add
4858 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4859 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4860 pass it to build_function_type_skip_args.
4861 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4862 (tree_function_versioning): Likewise.
4863 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4864 build_function_decl_skip_args.
4865 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4866 and pass it to build_function_decl_skip_args/tree_function_versioning.
4867 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4868 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4869 * trans-mem.c (ipa_tm_create_version): Likewise.
4870 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4871 * tree-inline.c (declare_return_variable): Remove always-true test.
4872 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4873 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4874 * ipa-split.c (split_function): Skip the return value for the split
4875 part if it doesn't return.
4877 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4879 PR tree-optimization/49642
4880 * ipa-split.c (forbidden_dominators): New variable.
4881 (check_forbidden_calls): New function.
4882 (dominated_by_forbidden): Likewise.
4883 (consider_split): Check for forbidden dominators.
4884 (execute_split_functions): Initialize and free forbidden
4885 dominators info; call check_forbidden_calls.
4887 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4889 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4891 2012-01-11 Nick Clifton <nickc@redhat.com>
4893 * config/rx/rx.md (return): Define pattern.
4895 2012-01-11 Richard Guenther <rguenther@suse.de>
4897 * doc/extend.texi (malloc attribute): Adjust according to
4900 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4901 Patrick Marlier <patrick.marlier@gmail.com>
4904 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4905 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4906 (ipa_tm_note_irrevocable): Same.
4907 (ipa_tm_scan_irr_block): Same.
4908 (ipa_tm_decrement_clone_counts): Same.
4909 (ipa_tm_scan_irr_function): Same.
4910 (ipa_tm_create_version_alias): Same.
4911 (ipa_tm_create_version): Same.
4912 (ipa_tm_transform_calls_redirect): Same.
4913 (ipa_tm_transform_calls): Same.
4914 (ipa_tm_transform_transaction): Same.
4915 (ipa_tm_execute): Same.
4917 2012-01-10 Richard Guenther <rguenther@suse.de>
4920 * opts.c (common_handle_option): Handle -Werror.
4922 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4924 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4927 2012-01-10 Jason Merrill <jason@redhat.com>
4929 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4932 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4934 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4935 supports R_386_TLS_GD_PLT reloc.
4936 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4937 supports R_386_TLS_LDM_PLT reloc.
4938 * configure: Regenerate.
4939 * config.in: Regenerate.
4941 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4944 Extend __pgmx semantics to linearize memory.
4945 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4946 determine if code comes inline or from libgcc.
4947 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4948 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4949 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4950 (movmemx_qi, movmemx_hi): New insns.
4951 (xload_<mode>_libgcc): Rewrite to new insn condition.
4952 (xload_<mode>): Remove insns.
4953 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4954 cases that don't satisfy avr_xload_libgcc_p().
4955 (avr_addr_space_convert): Allow converting in any direction.
4956 (avr_addr_space_subset_p): Return always true.
4957 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4958 (avr_emit_movmemhi): Ditto.
4959 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4960 (avr_out_movmem): Ditto.
4961 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4962 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4963 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4964 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4965 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4967 2012-01-10 Richard Guenther <rguenther@suse.de>
4969 PR tree-optimization/50913
4970 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4971 Require data-refs to be representable by Graphite with respect
4974 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4976 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4977 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4979 2012-01-10 Tom de Vries <tom@codesourcery.com>
4981 PR rtl-optimization/51271
4982 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4983 handling annulled branch.
4985 2012-01-10 Richard Henderson <rth@redhat.com>
4987 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4988 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4989 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4990 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4991 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4992 arm_expand_vec_perm_const): New.
4993 * config/arm/arm-protos.h: Update.
4994 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4995 (*neon_vswp<VDQX>): New.
4996 (neon_vcombine<VDX>): Use neon_split_vcombine.
4997 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4998 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4999 (vec_perm<VE>): New.
5001 2012-01-10 Richard Henderson <rth@redhat.com>
5003 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5004 use it if reload_completed.
5005 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5006 arm_output_asm_insn, arm_process_output_memory_barrier,
5007 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5008 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5009 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5010 arm_process_output_sync_insn, arm_output_sync_insn,
5011 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5012 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5013 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5014 (emit_unlikely_jump): New.
5015 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5016 (arm_split_atomic_op): New.
5017 * config/arm/arm-protos.h: Update.
5018 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5019 (struct arm_sync_generator): Remove.
5020 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5021 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5022 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5023 (VUNSPEC_LL, VUNSPEC_SC): New.
5024 (sync_result, sync_memory, sync_required_value, sync_new_value,
5025 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5026 (attr length): Don't use arm_sync_loop_insns.
5027 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5028 (movsfcc, movdfcc): Likewise.
5029 * config/arm/constraints.md (Ua): New.
5030 * config/arm/prediates.md (mem_noofs_operand): New.
5031 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5032 (sync_clobber, sync_t2_reqd): Remove.
5033 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5034 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5035 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5036 (arm_sync_compare_and_swap<SIDI>): Remove.
5037 (arm_sync_compare_and_swap<NARROW>): Remove.
5038 (arm_sync_lock_test_and_set<SIDI>): Remove.
5039 (arm_sync_lock_test_and_set<NARROW>): Remove.
5040 (arm_sync_new_<syncop><SIDI>): Remove.
5041 (arm_sync_new_<syncop><NARROW>): Remove.
5042 (arm_sync_new_nand<SIDI>): Remove.
5043 (arm_sync_new_nand<NARROW>): Remove.
5044 (arm_sync_old_<syncop><SIDI>): Remove.
5045 (arm_sync_old_<syncop><NARROW>): Remove.
5046 (arm_sync_old_nand<SIDI>): Remove.
5047 (arm_sync_old_nand<NARROW>): Remove.
5048 (*memory_barrier): Merge arm_output_memory_barrier.
5049 (atomic_compare_and_swap<QHSD>): New.
5050 (atomic_compare_and_swap<NARROW>_1): New.
5051 (atomic_compare_and_swap<SIDI>_1): New.
5052 (atomic_exchange<QHSD>): New.
5053 (cas_cmp_operand, cas_cmp_str): New.
5054 (atomic_op_operand, atomic_op_str): New.
5055 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5056 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5057 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5058 (arm_load_exclusive<NARROW>): New.
5059 (arm_load_exclusivesi, arm_load_exclusivedi): New.
5060 (arm_store_exclusive<QHSD>): New.
5062 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5064 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5065 reload patterns if -mvsx-scalar-memory.
5067 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5068 generated, even -mno-vsx-scalar-double was used.
5069 (vsx_xscvdpsp_scalar): Likewise.
5070 (vsx_xscvspdp_scalar2): Likewise.
5072 2012-01-09 Tom de Vries <tom@codesourcery.com>
5073 Andrew Pinski <apinski@cavium.com>
5076 * reorg.c (fill_slots_from_thread): Don't speculate
5077 frame-related insns.
5079 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5081 * sched-int.h (bb_note): Move to...
5082 * basic-block.h: ...here.
5083 * haifa-sched.c (bb_note): Move to...
5084 * cfgrtl.c: ...here.
5085 * function.c (next_block_for_reg): New function.
5086 (move_insn_for_shrink_wrap): Likewise.
5087 (prepare_shrink_wrap): Rewrite to use the above.
5089 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5091 * gimple.c (is_gimple_non_addressable): Remove.
5092 * gimple.h: Remove is_gimple_non_addressable.
5093 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5094 is_gimple_non_addressable.
5095 * trans-mem.c (expand_assign_tm): Same.
5097 2012-01-09 Richard Guenther <rguenther@suse.de>
5099 PR tree-optimization/51775
5100 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5101 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5103 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5105 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5107 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5109 2012-01-09 Richard Guenther <rguenther@suse.de>
5111 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5113 2012-01-08 Jan Hubicka <jh@suse.cz>
5115 PR tree-optimize/51680
5116 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5117 on when known_vals needs to be computed; cleanup.
5119 2012-01-08 Jan Hubicka <jh@suse.cz>
5121 PR tree-optimize/51694
5122 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5124 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5126 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5127 for -std=c++98 and -std=c++11 too.
5129 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5131 * cfgloop.c (cancel_loop): Add free() of bbs array.
5133 2012-01-07 Jan Hubicka <jh@suse.cz>
5135 PR tree-optimization/51600
5136 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5137 that benefits small functions.
5139 2012-01-07 Jan Hubicka <jh@suse.cz>
5141 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5143 2012-01-07 Jan Hubicka <jh@suse.cz>
5145 PR tree-optimization/51680
5146 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5147 whose inlining reduce unit size.
5149 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5152 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5153 Add canonical node to containing_mem chain after the non-canonical
5154 one, even if there weren't any locs to propagate.
5155 (remove_useless_values): Keep only canonical values.
5156 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5157 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5158 canonicalize mem_chain elements that are not discarded.
5160 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5163 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5164 before emitting functions.
5166 PR gcov-profile/50127
5167 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5168 clear_aux_for_blocks.
5170 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5173 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5175 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5177 * c-decl.c (ext_block): Moved up.
5178 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5180 2012-01-06 Han Shen <shenhan@google.com>
5182 Translate built-in include paths for sysroot.
5183 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5184 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5186 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5187 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5189 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5190 control whether sysroot should be prepended to gxx include dir.
5192 * configure: Regenerate.
5194 2012-01-06 Torvald Riegel <triegel@redhat.com>
5196 PR rtl-optimization/51771
5197 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5198 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5200 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5202 PR tree-optimization/51315
5203 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5204 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5206 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5209 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5210 for shrp pattern. Correctly handle and fixup shift variable.
5211 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5213 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5216 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5217 note when !ACCUMULATE_OUTGOING_ARGS.
5219 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5221 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5223 (extract_range_from_unary_expr_1): Avoid useless computations.
5225 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5227 PR rtl-optimization/51767
5228 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5229 of jump_block and add an extra edge for degenerated asm gotos.
5232 * stmt.c (check_unique_operand_names): Don't ICE during error
5233 reporting if i is from labels chain.
5236 * profile.c (branch_prob): Split bbs that have exit edge
5237 and need a fake entry edge too.
5239 2012-01-05 Jan Hubicka <jh@suse.cz>
5242 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5245 2012-01-05 Richard Guenther <rguenther@suse.de>
5248 * tree-streamer-out.c (write_ts_optimization): New function.
5249 (streamer_write_tree_body): Call it.
5250 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5251 (streamer_read_tree_body): Call it.
5252 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5254 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5257 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5258 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5259 in_cleanup_point_expr before gimplify_stmt call and restore it
5261 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5262 in_cleanup_point_expr is false.
5264 2012-01-05 Richard Guenther <rguenther@suse.de>
5267 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5269 * toplev.c (process_options): Reject combining mudflap and LTO.
5270 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5272 2012-01-05 Richard Guenther <rguenther@suse.de>
5274 PR tree-optimization/51760
5275 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5277 (bit_value_unop): Handle UNDEFINED operands.
5278 (bit_value_binop): Likewise.
5280 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5282 * config/avr/avr.c (avr_replace_prefix): Remove.
5283 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5284 (avr_asm_function_rodata_section): Ditto.
5285 (avr_asm_select_section): Ditto.
5287 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5289 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5292 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5295 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5296 calls that have any non-fake successor edges.
5299 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5301 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5303 PR tree-optimization/51624
5304 * tree-sra.c (build_ref_for_model): When replicating a chain of
5305 COMPONENT_REFs, stop as soon as the offset would become negative.
5307 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5310 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5311 in .debug_loc on the floor.
5313 2012-01-04 Andrew Pinski <apinski@cavium.com>
5315 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5317 2012-01-04 Andrew Pinski <apinski@cavium.com>
5318 Adam Nemet <anemet@caviumnetworks.com>
5320 * config/mips/mips.md (size): Add SI and DI.
5321 (SIZE): New mode attribute.
5322 (U): New code attribute.
5323 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5324 (mips_lbux_<mode>): Delete.
5325 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5326 (mips_lhx): Use gen_mips_lhx_extsi.
5327 (mips_lhx_<mode>): Delete.
5329 (mips_l<size>x): New expand.
5330 (mips_lwx_<mode>): Delete.
5331 (mips_l<GPR:size>x_<P:mode>): New pattern.
5332 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5333 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5334 * config/mips/mips.c (mips_lx_address_p): New function.
5335 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5336 (dsp64): New availability predicate.
5337 (mips_builtins): Add an entry for __builtin_mips_ldx.
5338 * config/mips/mips.h (ISA_HAS_LBX): New define.
5339 (ISA_HAS_LBUX): Likewise.
5340 (ISA_HAS_LHX): Likewise.
5341 (ISA_HAS_LHUX): Likewise.
5342 (ISA_HAS_LWX): Likewise.
5343 (ISA_HAS_LWUX): Likewise.
5344 (ISA_HAS_LDX): Likewise.
5345 * doc/extend.texi (__builtin_mips_ldx): Document.
5347 2012-01-04 Tristan Gingold <gingold@adacore.com>
5349 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5350 when long pointers are used.
5351 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5352 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5353 (ia64-hp-*vms*): Remove.
5354 * config/vms/xm-vms64.h: Delete.
5356 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5359 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5361 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5363 * opts.c (finish_options): Remove duplicate sorry.
5365 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5368 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5371 2012-01-04 Richard Guenther <rguenther@suse.de>
5374 * tree.c (size_low_cst): New function.
5375 * tree.h (size_low_cst): Declare.
5376 * fold-const.c (fold_comparison): Use it to extract the low
5377 part of the POINTER_PLUS_EXPR offset.
5379 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5381 Fix clearing ZERO_REG
5382 * config/avr/avr.md (cc): Add alternative "ldi".
5383 (movqi_insn): Use it in cc attribute.
5384 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5385 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5386 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5388 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5390 * configure: Regenerate.
5392 2012-01-04 Richard Guenther <rguenther@suse.de>
5394 PR tree-optimization/49651
5395 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5396 (var_can_have_subvars): Use it.
5397 (get_constraint_for_1): Only consider subfields if there can be any.
5399 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5402 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5403 to its new canonical_cselib_val and the cselib_val was in
5404 first_containing_mem chain, but the canonical_cselib_val was not,
5405 add the latter into the chain.
5406 (cselib_invalidate_mem): Compare canonical_cselib_val of
5407 addr_list chain elt with v.
5410 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5411 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5413 (output_macinfo_op): Don't ggc_strdup fd->filename.
5414 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5415 then ggc_strdup it. Don't free inc->info or cur->info.
5416 (output_macinfo): Don't free ref->info or file->info.
5418 2012-01-03 Ira Rosen <irar@il.ibm.com>
5420 PR tree-optimization/51269
5421 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5422 first_niters a pointer.
5423 (slpeel_tree_peel_loop_to_edge): Likewise.
5424 (vect_do_peeling_for_loop_bound): Update call to
5425 slpeel_tree_peel_loop_to_edge.
5426 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5427 here. Remove it from the parameters list.
5428 (vect_do_peeling_for_alignment): Update calls and compute
5431 2012-01-03 Richard Guenther <rguenther@suse.de>
5433 PR tree-optimization/51070
5434 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5435 Properly handle calls.
5437 2012-01-03 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/51692
5440 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5441 the LHS of allocation stmts.
5443 2012-01-03 Olivier Hainque <hainque@adacore.com>
5445 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5447 2012-01-03 Olivier Hainque <hainque@adacore.com>
5449 * collect2.c (main): In AIX specific computations for vector
5450 insertions, use CONST_CAST2 to cast from char ** to const char **.
5452 2012-01-03 Richard Guenther <rguenther@suse.de>
5455 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5456 the context of a limbo DIE when it does not already exist.
5458 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5460 PR tree-optimization/51719
5461 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5462 but direct call is, clear direct call's lhs and don't add fallthrough
5463 edge from dcall_bb to join_bb and PHIs.
5465 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5467 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5468 the instructions emitted by the pattern.
5469 ("*TDC_insn_<mode>"): Add comment.
5471 2012-01-03 Richard Guenther <rguenther@suse.de>
5474 * fold-const.c (fold_comparison): Properly canonicalize
5475 tree offset and HOST_WIDE_INT bit position.
5477 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5479 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5480 operands for extzv pattern.
5482 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5485 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5488 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5490 * doc/invoke.texi (-flto and related options): Copy-edit.
5492 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5494 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5496 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5498 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5501 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5503 * expr.h (move_by_pieces_ninsns): Declare.
5504 * expr.c (move_by_pieces_ninsns): Make external.
5505 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5506 (mips_store_by_pieces_p): Likewise.
5507 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5508 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5509 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5510 (mips_store_by_pieces_p): Likewise.
5512 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5514 * passes.c (register_one_dump_file): Free full_name.
5516 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5517 (calculate_elim_costs_all_insns): Free offsets_at and
5518 offsets_known_at at the end and clear the pointers.
5520 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5522 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5523 this option introduced in r180739.
5525 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5528 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5529 (tmake_file target=avr): Add avr/t-multilib.
5531 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5532 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5533 * config/avr/genmultilib.awk: New file.
5534 * config/avr/t-multilib: New auto-generated file.
5535 * config/avr/multilib.h: New auto-generated file.
5536 * config/avr/t-avr (AVR_MCUS): New variable.
5537 (genopt.sh): Use it.
5538 (s-mlib): Depend on t-multilib.
5539 (t-multilib, multilib.h): New dependencies.
5540 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5541 (MULTILIB_OPTIONS): Remove.
5542 (MULTILIB_MATCHES): Remove.
5543 (MULTILIB_DIRNAMES): Remove.
5544 (MULTILIB_EXCEPTIONS): Remove:
5545 * config/avr/genopt.sh: Don't use hard coded file name;
5546 pass AVR_MCUS from t-avr instead.
5548 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5550 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5552 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5554 Implement light-weight DImode support.
5555 * config/avr/avr-dimode.md: New file.
5556 * config/avr/avr.md: Include it.
5557 (adjust_len): Add plus64, compare64.
5558 (HIDI): Remove code iterator.
5559 (code_stdname): New code attribute.
5560 (rotx, rotsmode): Remove DI.
5561 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5563 * config/avr/avr-protos.h (avr_have_dimode): New.
5564 (avr_out_plus64, avr_out_compare64): New.
5565 * config/avr/avr.c (avr_out_compare): Handle DImode.
5566 (avr_have_dimode): New variable definition and initialization.
5567 (avr_out_compare64, avr_out_plus64): New functions.
5568 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5569 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5570 (avr_compare_pattern): Skip DImode comparisons.
5572 2012-01-02 Revital Eres <revital.eres@linaro.org>
5574 * ddg.c (def_has_ccmode_p): New function.
5575 (add_cross_iteration_register_deps,
5576 create_ddg_dep_from_intra_loop_link): Call it.
5578 2012-01-02 Richard Guenther <rguenther@suse.de>
5581 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5583 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5585 * gcc.c (process_command): Update copyright notice dates.
5586 * gcov.c (print_version): Likewise.
5587 * gcov-dump.c (print_version): Likewise.
5588 * mips-tfile.c (main): Likewise.
5589 * mips-tdump.c (main): Likewise.
5591 2012-01-01 Ira Rosen <irar@il.ibm.com>
5593 PR tree-optimization/51704
5594 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5595 a use is inside the basic block or loop before accessing its vect info.
5597 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5599 PR rtl-optimization/51069
5600 * cfgloopmanip.c (remove_path): Removing path making irreducible
5601 region unconditional makes BB part of the region.
5603 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5605 PR tree-optimization/51683
5606 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5607 calls with side-effects.
5608 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5610 Copyright (C) 2012 Free Software Foundation, Inc.
5612 Copying and distribution of this file, with or without modification,
5613 are permitted in any medium without royalty provided the copyright
5614 notice and this notice are preserved.