1 2012-08-21 Richard Guenther <rguenther@suse.de>
4 2012-08-16 Richard Guenther <rguenther@suse.de>
7 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
9 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
10 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
11 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
12 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
13 (tree_ssa_lim_finalize): Free all mem_refs.
14 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
16 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
17 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
18 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
21 2012-08-17 Richard Guenther <rguenther@suse.de>
23 * tree-sra.c (modify_function): Free redirect_callers vector.
24 * ipa-split.c (split_function): Free args_to_pass vector.
25 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
27 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
28 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
29 (vect_analyze_slp_instance): Free everything.
30 (destroy_bb_vec_info): Free the SLP instances.
32 2012-08-17 Richard Guenther <rguenther@suse.de>
34 * params.def (integer-share-limit): Decrease from 256 to 251,
37 2012-08-21 Richard Guenther <rguenther@suse.de>
39 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
40 the affine expansion cache.
42 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
45 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
48 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
50 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
52 Backport from mainline.
53 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
56 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
57 mark as predicable. Adjust asm template.
58 (vec_setv2di_internal): Likewise.
59 (vec_extract<mode> VD, VQ): Likewise.
60 (vec_extractv2di): Likewise.
61 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
62 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
63 (neon_vdup_n<mode> VX, V32): Likewise.
64 (neon_vdup_nv2di): Likewise.
66 2012-08-17 Walter Lee <walt@tilera.com>
68 Backport from mainline
69 2012-08-17 Walter Lee <walt@tilera.com>
71 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
72 (FEEDBACK_ENTER): Define.
73 (FEEDBACK_REENTER): Define.
74 (FEEDBACK_ENTRY): Define.
75 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
76 (FEEDBACK_ENTER): Define.
77 (FEEDBACK_REENTER): Define.
78 (FEEDBACK_ENTRY): Define.
80 2012-08-16 Walter Lee <walt@tilera.com>
82 Backport from mainline
83 2012-08-16 Walter Lee <walt@tilera.com>
85 * config.gcc (tilegx-*-linux*): Add feedback.h.
86 (tilepro-*-linux*): Likewise.
87 * config/tilegx/feedback.h: New file.
88 * config/tilepro/feedback.h: New file.
90 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
92 Backport from mainline r189840 and r187586:
93 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
95 * config/i386/i386.md (stack_protect_set): Disable the pattern
96 for Android since Android libc (bionic) does not provide random
97 value for stack protection guard at gs:0x14. Guard value
98 will be provided from external symbol (default implementation).
99 (stack_protect_set_<mode>): Likewise.
100 (stack_protect_test): Likewise.
101 (stack_protect_test_<mode>): Likewise.
102 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
103 not have Bionic by default
104 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
105 Macro OPTION_BIONIC is defined in this file and provides Bionic
108 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
110 * configure.ac: Stack protector enabling for Android targets.
111 * configure: Regenerate.
113 2012-08-13 Jakub Jelinek <jakub@redhat.com>
115 Backported from trunk
116 2012-07-19 Jakub Jelinek <jakub@redhat.com>
118 PR rtl-optimization/53942
119 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
120 directly from likely spilled non-fixed hard registers, move them
123 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
125 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
126 (xop_phaddubq): Ditto.
128 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
130 Backport from mainline
131 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
132 Richard Earnshaw <rearnsha@arm.com>
134 * target.def (vector_alignment): New target hook.
135 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
136 * doc/tm.texi: Regenerate.
137 * targhooks.c (default_vector_alignment): New function.
138 * targhooks.h (default_vector_alignment): Add prototype.
139 * stor-layout.c (layout_type): Use targetm.vector_alignment.
140 * config/arm/arm.c (arm_vector_alignment): New function.
141 (TARGET_VECTOR_ALIGNMENT): Define.
143 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
144 vector type alignment instead of size.
145 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
146 element type size directly instead of computing it from alignment.
147 Fix variable naming and comment.
149 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
151 Backport from mainline
152 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
154 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
155 (alpha_pad_function_end): ... this. Also insert NOP between
156 sibling call and GP load.
157 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
159 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
161 Backport from mainline
162 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
163 H.J. Lu <hongjiu.lu@intel.com>
165 PR rtl-optimization/54157
166 * combine.c (gen_lowpart_for_combine): Don't return identity
167 for CONST or symbolic reference.
169 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
171 Backport from mainline
172 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
174 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
175 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
176 split_cost argument signed.
177 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
178 (ix86_avoid_lea_for_addr): Ditto.
180 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
182 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
183 the address has less than two components.
185 2012-08-02 Steve Ellcey <sellcey@mips.com>
187 Backport from mainline
188 2012-07-19 Steve Ellcey <sellcey@mips.com>
190 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
193 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
195 Backport from mainline
196 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
199 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
200 negative constant address for TARGET_X32 ...
201 (ix86_decompose_address): ... here. Reject constant addresses
202 that don't satisfy x86_64_immediate_operand predicate.
204 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
207 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
208 * config/i386/i386.c (ix86_print_operand_address): Ditto.
209 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
210 addresses. Prevent zero extensions of CONST_INT operands.
212 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
215 * config/i386/i386.md (*lea): New insn pattern.
217 (*lea<mode>_2): Ditto.
218 (*lea_{3,4,5,6}_zext): Ditto.
219 * config/i386/predicates.md (lea_address_operand): Do not reject
220 zero-extended address operands.
221 * config/i386/constraints.md (j): Remove address constraint.
222 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
224 (ix86_print_operand_address): Handle SImode subreg of an address.
225 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
227 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
229 Backport from mainline
230 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
233 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
234 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
236 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
237 (*movdi_internal_rex64): Use %E operand modifier for lea.
238 (*movsi_internal): Ditto.
240 (*lea<mode>_2): Ditto.
241 (*lea_{3,4,5,6}_zext): Ditto.
242 (*tls_global_dynamic_32_gnu): Ditto.
243 (*tls_global_dynamic_64): Ditto.
244 (*tls_dynamic_gnu2_lea_32): Ditto.
245 (*tls_dynamic_gnu2_lea_64): Ditto.
246 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
248 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
250 Backport from mainline
251 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
253 * config/i386/i386.c (ix86_address_subreg_operand): Reject
255 (ix86_print_operand_address): Assert that parts.base and parts.index
256 are non-NULL after call to simplify_subreg.
258 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
261 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
263 * config/sh/sh.c (sh_option_override): Do not change
264 flag_finite_math_only. Set TARGET_IEEE to complement of
265 flag_finite_math_only.
266 * doc/invoke.texi (SH options): Add mno-ieee. Correct
267 description of mieee and mno-ieee behavior.
269 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
272 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
275 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
277 Backport from mainline
278 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
280 PR rtl-optimization/52250
281 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
282 to put note list into. Unconditionally call move_bb_info.
283 (move_bb_info): Do not assert the blocks being in the same region,
284 just drop the note list if they are not.
286 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
288 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
290 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
292 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
293 defining statement is a SSA name that occurs in abnormal PHIs.
295 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
297 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
300 2012-07-19 Richard Guenther <rguenther@suse.de>
301 Eric Botcazou <ebotcazou@adacore.com>
303 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
304 about transition from invariant to known bits.
305 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
307 2012-07-19 Jakub Jelinek <jakub@redhat.com>
310 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
311 (cleanup_tree_cfg_bb): Don't call it.
312 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
315 2012-07-19 Christian Bruel <christian.bruel@st.com>
318 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
320 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
322 * config.gcc (v850-*-rtems*): New target.
323 * config/v850/rtems.h: New.
324 * config/v850/t-rtems: New.
326 2012-07-18 Nick Clifton <nickc@redhat.com>
328 * doc/invoke.texi (ARM Options): Document -munaligned-access.
330 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
334 Backport from mainline
335 2012-04-25 Jakub Jelinek <jakub@redhat.com>
338 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
339 instead expand it as zero extension.
341 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
343 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
344 QImode and HImode splitters. Use ix86_comparison_operator.
345 Explicitly match FLAGS_REG.
346 (DFmode cmove splitter): Explicitly match FLAGS_REG.
348 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
349 Steven Bosscher <steven@gcc.gnu.org>
350 Bernd Schmidt <bernds@codesourcery.com>
352 PR rtl-optimization/53908
353 * df-problems.c (can_move_insns_across): When doing
354 memory-reference book-keeping, handle call insns.
356 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
358 Backport from mainline
359 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
362 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
363 sibcall_insn_operand. Move it to a temporary register if not.
365 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
368 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
369 emit PIC sequence for fnaddr symbol reference in advance.
371 2012-07-09 Jason Merrill <jason@redhat.com>
374 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
375 (type_hash_eq): Likewise.
378 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
380 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
382 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
383 due to negative shift amount.
385 2012-07-06 Kai Tietz <ktietz@redhat.com>
387 Backport from mainline.
389 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
392 2012-07-06 Nick Clifton <nickc@redhat.com>
394 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
395 default_encode_section_info.
397 2012-07-06 Richard Guenther <rguenther@suse.de>
399 Backport from mainline
400 2012-03-30 Richard Guenther <rguenther@suse.de>
403 * double-int.c (rshift_double): Remove not needed cast.
405 2012-03-28 Richard Guenther <rguenther@suse.de>
408 * double-int.h (rshift_double): Remove.
409 * double-int.c (lshift_double): Use absu_hwi to make count
411 (rshift_double): Make static, take unsigned count argument,
412 remove handling of negative count argument.
413 (double_int_rshift): Dispatch to lshift_double.
415 2012-07-06 Richard Guenther <rguenther@suse.de>
417 Backport from mainline
418 2012-06-18 Richard Guenther <rguenther@suse.de>
420 PR tree-optimization/53693
421 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
422 Reject operands with more than one use.
424 2012-07-06 Richard Guenther <rguenther@suse.de>
426 Backport from mainline
427 2012-04-11 Richard Guenther <rguenther@suse.de>
430 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
431 consider loop nesting.
432 (evolution_function_is_univariate_p): Properly check the remainder
435 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
437 Backport from mainline
438 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
440 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
441 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
442 (adjacent_mem_locations): Move some code to and call...
443 (get_memref_parts): ...new function.
444 (mem_locations_overlap): New function.
445 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
446 (is_mem_ref): Rename to...
447 (find_mem_ref): ...this. Return MEM rtx.
448 (get_store_dest): Remove function.
449 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
450 new parameter and adjust calls.
451 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
452 mem refs overlap for true_store_to_load_dep_costly.
453 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
454 passed to adjacent_mem_locations.
455 (is_costly_group): Walk resolved dependency list.
456 (force_new_group): Emit group ending nop for Power6/Power7.
457 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
458 (group_ending_nop): New define_insn.
460 2012-07-04 Richard Guenther <rguenther@suse.de>
463 * gimple-fold.c (get_base_constructor): Do not return an
464 error_mark_node DECL_INITIAL.
466 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
468 Backport from mainline
469 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
471 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
472 code model string in the error message.
474 2012-07-04 Tristan Gingold <gingold@adacore.com>
476 Backport from mainline.
477 2012-06-25 Tristan Gingold <gingold@adacore.com>
479 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
480 (seh_cfa_adjust_cfa): ... that function.
481 (seh_emit_stackalloc): Do not emit out of range values.
482 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
483 UNSPEC_DEF_CFA constants.
484 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
485 * config/i386/i386.c (ix86_frame_pointer_required): Required
486 for very large frames on SEH target.
487 (ix86_compute_frame_layout): Save area is before frame pointer
488 on SEH target. Handle very large frames.
489 (ix86_expand_prologue): Likewise.
491 2012-07-04 Richard Guenther <rguenther@suse.de>
493 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
494 as in free_lang_data_in_type.
496 2012-07-02 Martin Jambor <mjambor@suse.cz>
498 Backport from mainline.
499 2012-07-02 Martin Jambor <mjambor@suse.cz>
502 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
503 dynamic type change check.
505 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
507 * tree-eh.c (lower_try_finally_switch): Really put the location of the
508 last statement of the finally block onto the switch.
510 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
512 * configure: Regenerate.
514 Backport from mainline.
515 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
517 * config.gcc (target_type_format_char): New. Document it. Set it for
519 * configure.ac (gnu_unique_option): Use target_type_format_char
520 in test. Comment rationale.
522 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
524 Backport from mainline.
525 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
527 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
529 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
531 Backport from 2012-06-28 mainline r189049
534 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
535 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
536 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
537 avr_hard_regno_call_part_clobbered.
539 2012-06-28 Richard Guenther <rguenther@suse.de>
542 * expr.c (expand_expr_real_1): Verify if the type is complete
543 before inspecting its size.
545 2012-06-27 Nick Clifton <nickc@redhat.com>
547 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
550 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
553 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
555 2012-06-26 Nick Clifton <nickc@redhat.com>
557 * config/rx/rx.md (simple_return): Use the simple_return rtx.
559 2012-06-25 Jakub Jelinek <jakub@redhat.com>
562 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
563 of x x x in the vmovlps load alternative.
565 2012-06-22 Richard Guenther <rguenther@suse.de>
567 * gcov-iov.c: Include bconfig.h and system.h.
569 2012-06-22 Richard Guenther <rguenther@suse.de>
571 PR gcov-profile/53744
572 * gcov-iov.c (main): Treat "" and "prerelease" the same.
574 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
576 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
577 DECL_IGNORED_P non-reg vars even if they are used.
579 2012-06-19 Jason Merrill <jason@redhat.com>
582 * dwarf2out.c (modified_type_die): Use scope_die_for.
583 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
584 (uses_local_type_r, uses_local_type): New.
585 (scope_die_for): Keep a type that uses a local type in local scope.
586 Use get_context_die for namespace and type scope.
588 2012-06-19 Richard Guenther <rguenther@suse.de>
591 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
592 replace it with the first non-BLOCK context.
594 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
596 PR rtl-optimization/53700
598 Backport from mainline
599 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
601 * ira-color.c (setup_left_conflict_sizes_p): Process all
604 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
606 Backport from mainline
607 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
610 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
611 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
612 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
613 instead of xop_mulv2div2di3_low.
614 (xop_p<macs>dql): Fix vec_select selector.
615 (xop_p<macs>dqh): Ditto.
616 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
617 (xop_mulv2div2di3_high): Ditto.
619 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
621 Backport from mainline:
622 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
624 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
626 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
628 Backport from mainline:
629 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
631 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
632 * config/pa/pa.c (pa_attr_length_millicode_call): Use
633 MAX_PCREL17F_OFFSET instead of fixed offset.
634 (pa_attr_length_call): Likewise.
635 (pa_attr_length_indirect_call): Likewise.
637 2012-06-15 Walter Lee <walt@tilera.com>
639 Backport from mainline:
640 2012-06-15 Walter Lee <walt@tilera.com>
642 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
644 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
646 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
648 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
650 Backport from mainline:
652 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
653 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
654 * gimple.h (block_in_transaction): Check for flag_tm.
656 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
658 PR tree-optimization/52558
660 Backport from mainline:
661 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
662 * gimple.h (gimple_set_in_transaction): Remove.
663 (gimple_in_transaction): Look in BB instead.
664 (gimple_statement_base): Remove in_transaction field.
665 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
666 * trans-mem.c (compute_transaction_bits): Place transaction bit
667 information into basic blocks.
669 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
671 PR tree-optimization/52558
672 * cfg.c (alloc_aux_for_edge): Fix comment.
673 (alloc_aux_for_edge): Remove static.
674 * basic-block.h (alloc_aux_for_edge): Protoize.
675 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
676 (execute_sm_if_changed_flag): New.
677 (execute_sm_if_changed_flag_set): New.
678 (execute_sm): Do not generate data races unless requested.
679 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
680 (tree_ssa_lim_finalize): Call free_aux_for_edges.
681 * gimple.h (block_in_transaction): New.
682 (gimple_in_transaction): Use block_in_transaction.
684 2012-06-14 Jakub Jelinek <jakub@redhat.com>
686 Backported from mainline
687 2012-06-12 Jakub Jelinek <jakub@redhat.com>
689 PR rtl-optimization/53589
690 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
691 discovery even when e->dest != target. If any LABEL_REF points
692 to e->dest label, redirect it to target's label.
694 2012-06-07 Jakub Jelinek <jakub@redhat.com>
697 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
698 returns false, replace stmt with GIMPLE_NOP.
699 (check_omp_nesting_restrictions): Instead of issuing warnings,
700 issue errors and return false if any errors were reported.
702 2012-06-14 Richard Guenther <rguenther@suse.de>
704 * BASE-VER: Set to 4.7.2.
705 * DEV-PHASE: Set to prerelease.
707 2012-06-12 Christian Bruel <christian.bruel@st.com>
710 * config/sh/sh.c (sh_option_override): Don't force
711 flag_omit_frame_pointer and maccumulate_outgoing_args.
712 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
714 2012-06-14 Release Manager
716 * GCC 4.7.1 released.
718 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
720 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
722 2012-06-13 Richard Henderson <rth@redhat.com>
724 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
725 iterator instead of INT.
727 2012-06-08 Richard Henderson <rth@redhat.com>
730 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
731 note to a clobber insn when no other insn is available.
733 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
736 * doc/invoke.texi (Wenum-compare): Update documentation.
738 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
741 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
743 (altivec_stvlxl): Ditto.
744 (altivec_stvrx): Ditto.
745 (altivec_stvrxl): Ditto.
747 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
750 * trans-mem.c (expand_block_edges): Do not skip the first
751 statement when resetting the BB.
753 2012-06-04 Richard Guenther <rguenther@suse.de>
756 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
757 create new assembler names.
759 2012-06-04 Richard Guenther <rguenther@suse.de>
761 Backport from mainline
762 2012-04-25 Jakub Jelinek <jakub@redhat.com>
765 * stor-layout.c (get_best_mode): Don't return mode with bitsize
766 larger than maxbits. Don't compute maxbits modulo align.
767 Also check that unit bytes long store at bitpos / unit * unit
768 doesn't affect bits beyond bitregion_end.
769 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
770 would not fit into bitregion_start ... bitregion_end + 1 bit
772 (store_split_bit_field): Decrease unit close to end of bitregion_end
773 if access is restricted in order to avoid mutual recursion.
775 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
777 Backport from 2012-06-04 mainline r188172
780 * config/avr/avr-stdint.h: New file.
781 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
784 2012-06-04 Jakub Jelinek <jakub@redhat.com>
786 PR tree-optimization/53550
787 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
788 is POINTER_TYPE_P, use sizetype as step type instead of type.
790 2012-06-04 Richard Guenther <rguenther@suse.de>
791 Eric Botcazou <ebotcazou@adacore.com>
793 Backport from mainline
794 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
796 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
797 Change type of BITOFFSET to signed. Make sure the lower bound of
798 the computed range is non-negative by adjusting OFFSET and BITPOS.
799 (expand_assignment): Adjust call to get_bit_range.
801 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
803 * expr.c (get_bit_range): Return the null range if the enclosing record
804 is part of a larger bit field.
806 2012-03-20 Richard Guenther <rguenther@suse.de>
808 * stor-layout.c (finish_bitfield_representative): Fallback
809 to conservative maximum size if the padding up to the next
810 field cannot be computed as a constant.
811 (finish_bitfield_layout): If we cannot compute the distance
812 between the start of the bitfield representative and the
813 bitfield member start a new representative.
814 * expr.c (get_bit_range): The distance between the start of
815 the bitfield representative and the bitfield member is zero
816 if the field offsets are not constants.
818 2012-03-16 Richard Guenther <rguenther@suse.de>
820 * stor-layout.c (finish_bitfield_representative): Fall back
821 to the conservative maximum size if we cannot compute the
822 size of the tail padding.
824 2012-03-14 Richard Guenther <rguenther@suse.de>
826 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
827 * stor-layout.c (start_bitfield_representative): New function.
828 (finish_bitfield_representative): Likewise.
829 (finish_bitfield_layout): Likewise.
830 (finish_record_layout): Call finish_bitfield_layout.
831 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
832 for QUAL_UNION_TYPE fields.
833 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
834 Stream DECL_BIT_FIELD_REPRESENTATIVE.
835 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
840 * expr.c (get_bit_range): Unconditionally extract bitrange
841 from DECL_BIT_FIELD_REPRESENTATIVE.
842 (expand_assignment): Adjust call to get_bit_range.
844 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
847 * fold-const.c (fold_binary_loc): Refine previous change.
849 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
851 Backport from mainline
852 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
855 * config/sh/sh.c (find_barrier): Add equality check of last_got to
856 avoid going above orig insn. Update comments.
858 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
860 Backport from mainline
861 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
864 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
865 prologue for unwinder and profiler.
867 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
869 Backport from mainline
870 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
872 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
874 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
876 Backport from mainline
877 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
879 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
882 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
884 Backport from mainline
885 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
887 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
888 operand is CONST_INT. Take COSTS_N_INSNS into account.
889 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
892 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
894 * config/avr/avr.opt (-msp8): Document it.
895 * doc/invoke.texi (AVR Options): Copy from trunk docu.
897 2012-05-31 Richard Guenther <rguenther@suse.de>
900 * expr.c (expand_assignment): Do not use movmisalign on
903 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
906 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
907 (pa_section_type_flags): New.
908 (pa_legitimate_constant_p): Revert previous change.
910 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
912 Backport from mainline
913 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
916 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
918 (ipa_tm_create_version): Same.
920 2012-05-30 Jason Merrill <jason@redhat.com>
923 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
924 about array compound literals.
926 2012-05-30 Richard Guenther <rguenther@suse.de>
929 * fold-const.c (fold_binary_loc): Make sure to call
930 fold_plusminus_mult_expr with the original sign of operands.
932 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
934 * explow.c (probe_stack_range): Restore simple control flow and stop
935 again when the probe cannot be generated if HAVE_check_stack.
937 2012-05-30 Jakub Jelinek <jakub@redhat.com>
939 PR rtl-optimization/53519
940 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
941 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
943 2012-05-29 Richard Guenther <rguenther@suse.de>
945 PR tree-optimization/53516
946 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
948 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
950 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
952 Backport from mainline
953 2012-05-28 Richard Guenther <rguenther@suse.de>
955 PR tree-optimization/53438
956 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
958 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
960 Backport from mainline
961 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
963 PR rtl-optimization/52528
964 * combine.c (can_combine_p): Add setting of subst_low_luid
965 before call to expand_field_assignment().
967 2012-05-26 Martin Jambor <mjambor@suse.cz>
969 Backport from mainline
970 2012-05-23 Martin Jambor <mjambor@suse.cz>
972 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
974 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
977 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
978 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
980 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
983 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
984 (ix86_expand_vec_perm): Use int mode instead of float.
986 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
989 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
990 gnu_ld variables to yes.
991 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
992 (HAVE_GNU_AS): Likewise.
993 * config.in: Regenerate.
994 * configure: Likewise.
996 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
998 Backport from mainline
999 2012-03-12 Richard Guenther <rguenther@suse.de>
1000 * config/arm/arm.c (neon_dereference_pointer): Do not call
1001 covert during RTL expansion.
1003 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1005 Backport from mainline
1006 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1009 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1010 relied on signed overflow behavior.
1012 2012-05-24 Richard Guenther <rguenther@suse.de>
1015 * tree-profile.c (tree_profiling): Cleanup the CFG if
1016 execute_fixup_cfg requests it.
1018 2012-05-24 Jakub Jelinek <jakub@redhat.com>
1020 PR tree-optimization/53465
1021 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1022 vr0 into *vr, then vrp_meet that.
1023 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1024 have any equivalences.
1025 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1028 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
1030 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1032 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1033 (iterative_hash_gimple_type): Adjust comment.
1034 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
1035 domain for an array type instead of the domain type itself.
1037 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
1039 Backport from 2012-05-23 mainline r187803
1042 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1043 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1046 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1048 Backport from 2012-05-03 mainline r187075
1050 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1051 has_fma4 for AMD processors with both fma3 and fma4 support.
1053 2012-05-22 Richard Guenther <rguenther@suse.de>
1055 PR tree-optimization/53408
1056 * tree-vect-loop.c (vectorizable_induction): Properly check
1057 the restriction that we cannot handle induction results from
1058 the inner loop outside of the outer loop.
1060 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1062 PR tree-optimization/53436
1063 * omp-low.c (omp_build_component_ref): New function.
1064 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1066 PR tree-optimization/53366
1067 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1068 tests if complex_numbers == 2, but there are non-complex number loads
1071 PR tree-optimization/53409
1072 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1073 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1075 PR tree-optimization/53410
1076 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1077 instead of build_int_cst (type, 0) where vector types might be
1080 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1083 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1084 from folded operands before wrapping another around the
1085 conditional expression.
1087 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1088 Patrick Marlier <patrick.marlier@gmail.com>
1090 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1093 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1095 Backport from mainline
1096 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1099 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1100 (UNSPECV_RDRAND): This.
1101 (rdrand<mode>_1): Updated.
1103 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1105 Backport from mainline
1106 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1108 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1109 RDRND, F16C and FSGSBASE.
1111 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1113 Backport from mainline
1114 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1116 * tree-ssa-pre.c (can_value_number_call): Delete.
1117 (compute_avail): Skip all statements with side effects.
1118 <GIMPLE_CALL>: Skip calls to internal functions.
1120 2012-05-18 David S. Miller <davem@davemloft.net>
1122 Backport r185385 from mainline
1123 2012-03-14 Richard Guenther <rguenther@suse.de>
1126 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1127 element type instead of mode, use build_vector_type_for_mode
1128 instead of the langhook, build a vector of proper signedness.
1129 (expand_vector_operations_1): Adjust.
1131 2012-05-18 Olivier Hainque <hainque@adacore.com>
1133 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1134 $(libsubdir) as libexecsubdir.
1136 2012-05-16 Andrew Pinski <apinski@cavium.com>
1138 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1141 2012-05-16 David S. Miller <davem@davemloft.net>
1143 * jump.c (delete_related_insns): If we remove a CALL, make sure
1144 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1146 2012-05-16 Richard Henderson <rth@redhat.com>
1149 * combine-stack-adj.c (prev_active_insn_bb): New.
1150 (next_active_insn_bb): New.
1151 (force_move_args_size_note): New.
1152 (combine_stack_adjustments_for_block): Use it.
1154 2012-05-16 Olivier Hainque <hainque@adacore.com>
1156 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1157 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1158 Add comments and improve stamp preservation across the whole sequence.
1159 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1161 2012-05-16 Richard Guenther <rguenther@suse.de>
1163 PR tree-optimization/53364
1164 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1165 detect a view-conversion of the decl.
1167 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1170 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1171 that operands[2] is either immediate, or q_regs_operand.
1173 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1175 Backport r187139 from mainline.
1176 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1178 PR rtl-optimization/52804
1179 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1180 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1181 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1182 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1183 RELOAD_FOR_OUTADDR_ADDRESS.
1185 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1188 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1189 generate target register for "load" class builtins.
1192 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1195 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1196 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1197 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1198 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1199 (<sse>_movu<ssemodesuffix>): New expander.
1200 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1201 (avx_movdqu<avxmodesuffix>): New expander.
1202 (*sse2_movdqu): Rename from sse2_movdqu.
1203 (sse2_movdqu): New expander.
1205 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1207 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1208 lineno 1 the same as lineno 0 before first start file directive.
1209 (optimize_macinfo_range): Likewise.
1211 * dwarf2out.c (have_macinfo): Define.
1212 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1213 attribute, don't force empty compilation unit and don't emit any
1214 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1216 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1218 Backport from mainline
1219 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1221 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1222 ORDERED and UNORDERED conditions.
1224 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1226 * function.c (requires_stack_frame_p): If the function can throw
1227 non-call exceptions, return true if the insn can throw internally.
1229 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1231 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1232 DECL_ORIGINAL_TYPE if it is present.
1234 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1236 Backport from 2012-05-12 mainline r187342.
1239 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1240 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1241 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1242 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1243 (expand_prologue): Move initialization of cfun->machine->is_naked,
1244 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1245 (avr_set_current_function): ...this new static function.
1246 (TARGET_SET_CURRENT_FUNCTION): New define.
1247 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1248 checking attributes of current_function_decl.
1249 (avr_regs_to_save): Ditto.
1250 (signal_function_p): Rename to avr_signal_function_p.
1251 (interrupt_function_p): Rename to avr_interrupt_function_p.
1253 * doc/extend.texi (Function Attributes): Better explanation of
1254 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1257 2012-05-09 Matthias Klose <doko@ubuntu.com>
1259 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1261 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1264 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1265 when a constant source operand matches an "I" constraint, the "no
1266 CC0 change" applies to a register-destination only, not a
1267 strict_low_part-destination.
1269 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1271 Backport from mainline:
1272 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1274 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1276 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1278 PR tree-optimization/53239
1279 * tree-vrp.c (get_value_range): Set VR of
1280 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1283 2012-05-07 Richard Guenther <rguenther@suse.de>
1285 PR tree-optimization/53195
1286 * tree-inline.c (setup_one_parameter): Properly add referenced
1287 vars from the parameters new known value.
1289 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1291 Backport from mainline:
1292 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1295 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1298 2012-05-04 Ian Lance Taylor <iant@google.com>
1300 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1301 values from false to NULL.
1303 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1305 Backport from mainline
1306 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1309 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1310 (TARGET_CMOV): Rename from TARGET_CMOVE.
1311 (TARGET_CMOVE): New define.
1312 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1313 Do not set TARGET_CMOVE here.
1315 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1317 Backport from mainline:
1319 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1321 PR tree-optimization/52633
1322 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1323 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1324 (vect_recog_over_widening_pattern): Remove handling of code that was
1325 already detected as over-widening pattern. Remove special handling
1326 of "unsigned" cases. Instead, support general case of conversion
1327 of the shift result to another type.
1329 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1331 * tree-vect-patterns.c (vect_single_imm_use): New function.
1332 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1333 (vect_recog_over_widening_pattern): Likewise.
1334 (vect_recog_widen_shift_pattern): Likewise.
1336 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1338 PR tree-optimization/52870
1339 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1340 presumed pattern statement is within the same loop or basic block.
1342 2012-05-04 Richard Guenther <rguenther@suse.de>
1344 * common.opt (flto-report): Do not mark as Optimization.
1346 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1349 * recog.c (constrain_operands): If extra constraints are present, also
1350 accept pseudo-registers with equivalent memory locations during reload.
1352 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1354 Backport from the mainline
1355 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1358 * config/rs6000/rs6000.md (bswapdi splitters): If
1359 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1360 default) is used, generate an alternate sequence that does not
1361 depend on using indexed addressing.
1363 2012-05-03 David S. Miller <davem@davemloft.net>
1366 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1367 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1368 (sparc_emit_float_lib_cmp): Likewise.
1370 2012-05-04 Martin Jambor <mjambor@suse.cz>
1372 Backport from mainline
1373 2012-05-02 Martin Jambor <mjambor@suse.cz>
1376 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1377 of a variable when the contect is a function.
1379 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1382 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1383 append program name to it and pass that as first argument
1384 to make_relative_prefix. Always pass standard_libexec_prefix
1385 as last argument to make_relative_prefix. If
1386 make_relative_prefix returns NULL, fall back to
1387 standard_libexec_prefix.
1390 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1394 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1395 mode, return that mode.
1397 2012-05-03 Richard Guenther <rguenther@suse.de>
1399 PR tree-optimization/53144
1400 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1402 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1403 with SSA name values.
1404 (vn_reference_lookup_3): Adjust callers.
1406 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1408 PR tree-optimization/53163
1409 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1410 return value from compute_all_dependences.
1412 PR rtl-optimization/53160
1413 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1414 has been modified by ree pass already.
1416 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1418 Backport from mainline
1419 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1422 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1423 calls to cgraph_node_name in xstrdup.
1424 (ipa_make_edge_direct_to_target): Ditto.
1425 * tree-sra.c (convert_callers_for_node): Ditto.
1426 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1427 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1428 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1429 (cgraph_materialize_all_clones): Ditto.
1430 * ipa-inline.c (report_inline_failed_reason): Ditto.
1431 (want_early_inline_function_p): Ditto.
1432 (edge_badness): Ditto.
1433 (update_edge_key): Ditto.
1434 (flatten_function): Ditto.
1435 (ipa_inline): Ditto.
1436 (inline_always_inline_functions): Ditto.
1437 (early_inline_small_functions): Ditto.
1439 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1441 Backport from mainline
1442 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1444 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1445 Introduce emul_name to select the right linker emulation for
1446 powerpc64-*-freebsd*.
1447 * configure: Regenerate.
1448 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1449 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1450 * config/rs6000/freebsd64.h: New file.
1451 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1453 (rs6000_savres_strategy): Likewise.
1454 (rs6000_savres_routine_name): Likewise.
1455 (rs6000_elf_file_end): Likewise.
1456 * config/rs6000/t-freebsd64: New file.
1457 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1458 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1460 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1462 Backport from mainline
1463 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1466 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1468 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1470 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1471 predicate to discriminate types.
1473 2012-04-27 Richard Guenther <rguenther@suse.de>
1476 * convert.c (convert_to_integer): Avoid infinite recursion for
1477 target-defined built-in types.
1479 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1482 * config/cris/cris.md ("*andhi_lowpart_v32")
1483 ("*andqi_lowpart_v32"): Change first input-only operand from
1484 a (match_operand ...) to (match_dup 0). Drop alternatives with
1485 const_int-matching constraints for redundancy.
1486 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1487 three-operand alternative.
1489 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1491 Backport from mainline
1492 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1494 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1495 (*addsi_2_zext): Ditto.
1496 (*add<mode>_3): Ditto.
1497 (*addsi_3_zext): Ditto.
1498 (*add<mode>_5): Ditto.
1500 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1503 * c-typeck.c (set_nonincremental_init,
1504 set_nonincremental_init_from_string): Pass true instead of false
1505 as IMPLICIT to add_pending_init.
1507 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1509 Backport from 2012-04-24 mainline r186768.
1512 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1514 2012-04-24 Richard Guenther <rguenther@suse.de>
1516 PR tree-optimization/53085
1517 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1520 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1523 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1525 (output_addressed_constants): Likewise.
1528 * varasm.c (get_section): Don't ICE for section conflicts with
1529 built-in section kinds.
1531 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1533 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1535 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1537 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1539 2012-04-23 Richard Guenther <rguenther@suse.de>
1542 * c-typeck.c (build_binary_op): Fix typo.
1544 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1546 PR tree-optimizations/52891
1547 * tree-vect-patterns.c (adjust_bool_pattern): Use
1548 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1549 but with non-standard precision.
1551 2012-04-22 Ian Lance Taylor <iant@google.com>
1553 * godump.c (go_output_typedef): Dump size of structs.
1555 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1557 Backport from mainline:
1559 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1560 hints for 'A' operand types.
1562 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1564 Backport from 2012-04-19 mainline r186588.
1567 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1568 the case *(X+const).
1570 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1572 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1574 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1577 * config/i386/sync.md (atomic_<code><mode>): Rename to
1578 atomic_<logic><mode>.
1580 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1582 Backport from mainline
1583 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1586 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1587 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1588 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1589 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1590 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1591 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1592 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1593 gen_avx2_permvarv8sf.
1595 2012-04-16 Martin Jambor <mjambor@suse.cz>
1597 Backported from mainline
1599 2012-04-13 Martin Jambor <mjambor@suse.cz>
1602 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1603 fold_ctor_reference returns a zero constant.
1605 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1607 Backported from mainline
1608 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1610 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1611 and __ILP32__ for x32.
1613 2012-04-13 Tom de Vries <tom@codesourcery.com>
1615 Backport from mainline r186418.
1617 2012-04-13 Tom de Vries <tom@codesourcery.com>
1619 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1620 parameters vuse and vuse_escaped.
1621 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1622 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1625 2012-04-13 Richard Guenther <rguenther@suse.de>
1627 PR tree-optimization/52969
1628 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1629 the condition for the COND_EXPR and handle predicate negation
1630 by swapping the COND_EXPR arms.
1632 2012-04-13 Richard Guenther <rguenther@suse.de>
1635 * convert.c (convert_to_pointer): Remove special-casing of
1638 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1640 Backport from mainline
1641 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1644 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1645 the list of options to enable the FCFID instruction.
1646 (TARGET_EXTRA_BUILTINS): Adjust comment.
1648 2012-04-12 Richard Guenther <rguenther@suse.de>
1650 PR tree-optimization/52943
1651 * tree-chrec.h (chrec_is_positive): Remove.
1652 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1653 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1654 Return false for a constant zero instead of negative.
1655 (analyze_siv_subscript_cst_affine): Handle zero difference
1656 in the initial condition explicitely.
1658 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1661 * varasm.c (process_pending_assemble_externals): Set
1662 pending_assemble_externals_processed true.
1663 (assemble_external): Call assemble_external_real if the pending
1664 assemble externals have been processed.
1666 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1669 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1670 the DECL generated for the special GOT helper.
1672 2012-04-06 Walter Lee <walt@tilera.com>
1674 Backport from mainline
1675 2012-03-07 Walter Lee <walt@tilera.com>
1677 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1678 REG_CFA_* notes for the stack pointer.
1679 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1680 EH_RETURN_STACKADJ_RTX.
1681 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1682 generate REG_CFA_* notes for the stack pointer.
1683 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1684 by EH_RETURN_STACKADJ_RTX.
1686 2012-04-06 Matt Turner <mattst88@gmail.com>
1688 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1690 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1692 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1693 of the destination isn't also a FP_REGS register.
1695 2012-04-03 Richard Guenther <rguenther@suse.de>
1697 Backport from mainline
1698 2012-03-02 Richard Guenther <rguenther@suse.de>
1700 PR tree-optimization/52406
1701 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1702 (struct indices): Add unconstrained_base member.
1703 (struct dr_alias): Remove unused vops member.
1704 (DR_UNCONSTRAINED_BASE): New define.
1705 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1706 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1707 be an artificial access that covers the whole indexed object,
1708 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1709 plain decl base-objects to their MEM_REF variant.
1710 (dr_may_alias_p): When the base-object of either data reference
1711 has unknown size use only points-to information.
1712 (compute_affine_dependence): Make dumps easier to read and
1714 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1715 DR_REF when looking for packed references.
1716 (vect_supportable_dr_alignment): Likewise.
1718 2012-04-03 Richard Guenther <rguenther@suse.de>
1720 Backport from mainline
1721 2012-03-15 Richard Guenther <rguenther@suse.de>
1724 * tree-data-ref.c (subscript_dependence_tester_1): Check
1725 all dimensions for non-conflicting access functions.
1727 2012-04-03 Richard Guenther <rguenther@suse.de>
1729 Backport from mainline
1730 2012-03-06 Richard Guenther <rguenther@suse.de>
1733 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1735 2012-03-23 Richard Guenther <rguenther@suse.de>
1737 PR tree-optimization/52678
1738 * tree-vectorizer.h (struct _stmt_vec_info): Add
1739 loop_phi_evolution_part member.
1740 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1741 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1742 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1743 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1744 Use the cached evolution part and the PHI nodes value from
1745 the loop preheader edge instead of re-analyzing the evolution.
1747 2012-03-26 Richard Guenther <rguenther@suse.de>
1749 PR tree-optimization/52701
1750 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1751 compute and set the evolution part of PHI nodes.
1753 2012-03-30 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/52754
1756 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1757 propagate arbitrary addresses into really plain dereferences.
1759 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1761 PR tree-optimization/52835
1762 * tree-data-ref.c (build_rdg): Return NULL if
1763 compute_data_dependences_for_loop failed.
1765 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1767 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1768 (stmt_can_make_abnormal_goto): Use it.
1769 (is_ctrl_altering_stmt): Likewise.
1771 2012-03-31 Martin Jambor <mjambor@suse.cz>
1773 Backported from mainline
1774 2012-03-30 Martin Jambor <mjambor@suse.cz>
1776 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1777 is a builtin_stack_save in a dominating BB.
1779 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1781 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1782 crossing 128bit lane boundary.
1784 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1786 Backported from mainline
1787 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1790 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1792 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1793 * config/i386/i386.c: Include reload.h.
1794 (ix86_legitimize_reload_address): New function.
1796 2012-03-28 Martin Jambor <mjambor@suse.cz>
1798 Backported from mainline
1799 2012-03-27 Martin Jambor <mjambor@suse.cz>
1802 * tree-sra.c (sra_modify_assign): Do not call
1803 load_assign_lhs_subreplacements when working with an unscalarizable
1806 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1809 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1810 __builtin_va_start to __builtin_next_arg if the latter is
1811 builtin_decl_explicit_p rather than when it is not.
1814 * tree-vect-generic.c (vector_element): Perform multiplication
1815 for pos in bitsizetype type instead of idx type.
1817 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1819 Backport from 2012-03-28 mainline r185910.
1822 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1823 (avr_builtin_decl): New static function.
1824 (struct avr_builtin_description, avr_bdesc): Move up.
1825 Add GTY marker. Add field fndecl. Remove redundant field id.
1826 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1827 (avr_expand_builtin): Code cleanup because .id is removed.
1829 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1832 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1835 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1837 Backport from 2012-03-28 mainline r185907.
1840 * config.gcc (tm_file): Remove avr/multilib.h.
1842 * doc/invoke.texi (AVR Options): Adjust
1843 documentation of -mtiny-stack.
1845 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1846 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1847 * config/avr/t-avr: Remove generation of multilib.h.
1848 * config/avr/t-multilib: Regenerate.
1849 * config/avr/multilib.h: Remove.
1850 * config/avr/avr.opt (-msp8): New option.
1851 (avr_sp8): New variable.
1852 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1853 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1854 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1855 (avr_device_to_sp8): New prototype.
1856 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1857 (DRIVER_SELF_SPECS): New define.
1858 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1859 __AVR_SP8__, __AVR_HAVE_SPH__.
1860 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1861 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1862 (avr_file_start): Ditto.
1864 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1867 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1868 instead of 8 in adjust_address.
1870 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1872 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1873 of a unit before computing the offset in units.
1875 2012-03-27 Richard Guenther <rguenther@suse.de>
1878 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1881 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1884 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1886 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1889 * varasm.c: Include pointer-set.h.
1890 (pending_assemble_externals_set): New pointer set.
1891 (process_pending_assemble_externals): Destroy the pointer set.
1892 (assemble_external): See if decl is in pending_assemble_externals_set,
1893 and add it to pending_assemble_externals if necessary.
1894 (init_varasm_once): Allocate pending_assemble_externals_set.
1896 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1898 Backported from mainline
1899 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1902 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1903 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1904 (vector_ltgt<mode>): Likewise.
1905 (vector_ordered<mode>): Likewise.
1906 (vector_unordered<mode>): Likewise.
1907 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1909 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1911 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1914 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1916 Backported from mainline
1917 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1921 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1922 GENERAL_REGS and FP_REGS for SImode.
1924 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1927 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1928 on any new_local_var_chain vars declared during recursing on
1929 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1931 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1933 Backport from 2012-03-22 mainline r185692.
1936 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1937 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1938 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1939 (delay_cycles_1, delay_cycles_2): Ditto.
1940 (delay_cycles_3, delay_cycles_4): Ditto.
1941 (nopv, *nopv): Ditto.
1942 (sleep, *sleep): Ditto.
1945 Backport from 2012-03-21 mainline r185605.
1947 PR rtl-optimization/52543
1949 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1950 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1951 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1952 (avr_load_libgcc_p): Restrict to __flash loads.
1953 (avr_out_lpm): Only handle 1-byte loads from __flash.
1954 (avr_load_lpm): New function.
1955 (avr_find_unused_d_reg): Remove.
1956 (avr_out_lpm_no_lpmx): Remove.
1957 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1958 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1959 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1960 (load_<mode>, load_<mode>_clobber): New insns.
1961 (mov<mode>): For multi-byte move from non-generic
1962 16-bit address spaces: Expand to load_<mode> resp.
1963 load_<mode>_clobber.
1964 (load<mode>_libgcc): Remove expander.
1965 (split-lpmx): Remove split.
1967 Backport from 2012-03-13 mainline r185329.
1970 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1971 offset (size) to a value the insns can deal with.
1972 (expand_epilogue): Ditto.
1974 Backport from 2012-03-12 mainline r185256.
1977 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1978 type from reg_class_t to enum reg_class.
1979 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1981 Backport from 2012-03-12 mainline r185253.
1984 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1985 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1986 r184615 from 2012-02-28.
1988 Backport from 2012-03-08 mainline r185105.
1990 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1991 for constants in [-63,63].
1993 Backport from 2012-03-08 mainline r185100.
1996 * config/avr/avr.c (avr_mem_clobber): New static function.
1997 (avr_expand_delay_cycles): Add memory clobber operand to
1998 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1999 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2000 (enable_interrupt, disable_interrupt): New expander.
2001 (nopv, sleep, wdr): New expanders.
2002 (delay_cycles_1): Add memory clobber.
2003 (delay_cycles_2): Add memory clobber.
2004 (delay_cycles_3): Add memory clobber.
2005 (delay_cycles_4): Add memory clobber.
2006 (cli_sei): New insn from former "enable_interrupt",
2007 "disable_interrupt" with memory clobber.
2008 (*wdt): New insn from former "wdt" with memory clobber.
2009 (*nopv): Similar, but for "nopv".
2010 (*sleep): Similar, but for "sleep".
2012 Backport from 2012-03-07 mainline r185043.
2015 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2017 Backport from 2012-03-07 mainline r185032.
2020 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2021 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2022 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2024 Backport from 2012-03-07 mainline r185031.
2027 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2029 * config/avr/avr.md (xload_8): Adjust insn length.
2031 Backport from 2012-03-07 mainline r185030.
2034 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2035 if RAMPZ affects reading from RAM.
2037 Backport from 2012-03-05 mainline r184919.
2039 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2041 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2043 Backport from mainline r185259.
2046 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2047 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2049 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2051 Backported from mainline
2052 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2055 * c-parser.c (c_parser_postfix_expression)
2056 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2058 * config/i386/smmintrin.h: Avoid /* within a comment.
2059 * config/i386/nmmintrin.h: Likewise.
2061 2012-03-22 Richard Guenther <rguenther@suse.de>
2063 * BASE-VER: Set to 4.7.1.
2064 * DEV-PHASE: Set to prerelease.
2066 2012-03-22 Release Manager
2068 * GCC 4.7.0 released.
2070 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2072 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2074 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2075 Andrew Pinski <apinski@cavium.com>
2078 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2079 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2080 calls instead of __builtin_ir{int,ound}*.
2082 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2085 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2088 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2090 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2091 Refer to GCC 4.7 version of c99status.html.
2093 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2095 Backport from mainline
2096 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2098 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2099 redefine to be NULL if the current bit-size is different from the
2100 configured bit-size.
2102 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2103 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2104 set the default tuning. Add asserts to make sure the cpu and tune
2105 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2106 test whether the index is set, instead of > 0.
2107 (rs6000_file_start): Do not reset the default cpu if the current
2108 bit-size is different from the configured bit-size.
2110 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2112 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2114 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2115 Update binutils references.
2116 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2117 Update binutils reference.
2118 Update Sun as/GNU ld caveat.
2119 Document binutils largefile requirement for LTO plugin.
2120 Remove reference to alternate libpthread.
2122 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2124 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2126 (Specific, mips-sgi-irix6): Likewise.
2128 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2130 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2131 * configure: Regenerate.
2133 2012-03-07 Richard Henderson <rth@redhat.com>
2135 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2136 * config/m68k/sync.md (atomic_test_and_set): Use it.
2137 (atomic_test_and_set_1): Likewise.
2139 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2142 * Makefile.in: Let install-gcc-ar depend on installdirs,
2143 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2144 Don't double canonicalize if cross-compiling.
2146 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2148 * trans-mem.c: New typedef for tm_region_p.
2149 Define vector types for tm_region_p.
2150 (tm_region_init): Replace region_worklist to a vector called
2153 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2156 * trans-mem.c (tm_region_init): Use last_basic_block.
2158 2012-03-05 Richard Henderson <rth@redhat.com>
2161 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2162 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2163 BIGGEST_ALIGNMENT is aligned.
2165 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2167 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2169 2012-03-05 Richard Henderson <rth@redhat.com>
2172 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2173 instead of calling negqi2 directly.
2175 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2177 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2178 (INTMAX_TYPE): Use it.
2179 (UINTMAX_TYPE): Likewise.
2180 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2181 (irix6_c_common_override_options): Declare.
2182 (C_COMMON_OVERRIDE_OPTIONS): Define.
2183 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2184 * config/mips/irix6-c.c: New file.
2185 * config/mips/t-irix6 (irix6-c.o): New target.
2186 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2189 2012-03-02 Richard Henderson <rth@redhat.com>
2191 * optabs.c (expand_atomic_test_and_set): Honor
2192 atomic_test_and_set_trueval even when atomic_test_and_set
2193 optab is not in use.
2195 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2197 Backport from mainline
2198 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2200 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2202 2012-03-02 Richard Guenther <rguenther@suse.de>
2204 * DEV-PHASE: Set to prerelease.
2206 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2208 * config.gcc (obsolete): Add all ARM targets using the FPA.
2209 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2210 * doc/install.texi: Avoid references to obsolete ARM ports.
2212 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2214 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2216 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2217 Joern Rennecke <joern.rennecke@embecosm.com>
2219 * doc/extend.texi: Expand and update information on interrupt
2220 attribute for Epiphany.
2222 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2224 * config/sh/sh-protos.h: Update copyright notice dates.
2225 * config/sh/sh.h: Likewise.
2226 * config/sh/sh.md: Likewise.
2227 * config/sh/constraints.md: Likewise.
2228 * config/sh/predicates.md: Likewise.
2230 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2232 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2233 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2235 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2237 * config/sh/constraints.md: Fix comment typo.
2239 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2242 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2243 unsigned HOST_WIDE_INT.
2244 (zvdep_imm64): Likewise.
2245 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2246 (vdepi_and): Likewise.
2247 Likewise for unamed 64-bit patterns.
2248 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2250 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2253 PR rtl-optimization/52417
2254 * cselib.c (cselib_any_perm_equivs): New variable.
2255 (cselib_reset_table): Check that it's not set when not
2256 preserving constants.
2257 (cselib_add_permanent_equiv): Set it.
2258 (cselib_have_permanent_equivalences): New.
2259 (cselib_init, cselib_finish): Reset it.
2260 * cselib.h (cselib_have_permanent_equivalences): Declare.
2261 * alias.c (get_addr): Restore earlier behavior when there
2262 aren't permanent equivalences.
2264 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2266 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2267 * config/v850/v850-modes.def: Fix copyright notice.
2269 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2271 * doc/extend.texi (AVR Built-in Functions): Document
2272 __builtin_avr_flash_segment.
2274 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2275 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2276 (*split.flash_segment): New insn-and-split.
2277 * config/avr/avr.c (avr_init_builtins): Add local variables:
2278 const_memx_void_node, const_memx_ptr_type_node,
2279 char_ftype_const_memx_ptr.
2281 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2283 PR tree-optimization/52445
2284 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2285 add ssa_name_ver, offset and size fields and change store field
2287 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2288 (add_or_mark_expr): Likewise. Only consider previous stores
2289 with the same size and offset.
2290 (nt_init_block): Only look at gimple_assign_single_p stmts,
2291 doesn't look at rhs2.
2293 2012-03-01 Richard Guenther <rguenther@suse.de>
2296 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2297 conversions from integral types to pointer types.
2299 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2301 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2302 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2303 unintentionally removed in r184616.
2305 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2307 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2310 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2311 Uros Bizjak <ubizjak@gmail.com>
2314 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2315 alternatives, add "e" constraint to the new last alternative
2316 and ! to last 3 alternatives.
2318 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2320 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2321 DW_AT_artificial attributes at the end of the processing.
2322 (gen_array_type_die): Likewise.
2323 (gen_enumeration_type_die): Likewise.
2324 (gen_struct_or_union_type_die): Likewise.
2325 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2328 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2331 * expr.c (expand_assignment): If doing misaligned store that doesn't
2332 cover all mode bits, perform a RMW cycle.
2334 PR tree-optimization/52429
2335 * tree-parloops.c (separate_decls_in_region_debug): Return early
2336 if var is LABEL_DECL.
2338 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2340 PR tree-optimization/52424
2341 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2342 calling dom_thread_across_edge.
2344 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2346 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2348 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2350 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2351 * config/avr/avr.c (avr_output_bld): Remove unused function.
2352 (avr_out_sbxx_branch): Use "%T" to print bit position.
2354 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2356 * config/avr/avr.md: Untabify.
2358 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2360 * config/avr/avr.md (eqne): New code iterator.
2361 (*dec-and-branchsi): Use it in text peephole's condition.
2362 (*dec-and-branchhi): Ditto.
2363 (*dec-and-branchqi): Ditto.
2365 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2368 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2369 the device does not have the skip-bug.
2371 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2373 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2374 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2375 -mpretend-cmove): New.
2377 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2380 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2381 doesn't count DEBUG_INSN refs.
2382 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2383 for DEBUG_INSN refs.
2385 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2389 2012-02-20 Richard Guenther <rguenther@suse.de>
2390 PR tree-optimization/52298
2391 * tree-vect-stmts.c (vectorizable_load): Properly use
2392 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2395 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2398 * gimple.h (gimple_in_transaction): New.
2399 (gimple_set_in_transaction): New.
2400 (struct gimple_statement_base): Add in_transaction field.
2401 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2403 (tree_ssa_lim_initialize): Compute transaction bits.
2404 * tree.h (compute_transaction_bits): Protoize.
2405 * trans-mem.c (tm_region_init): Use the heap to store BB
2407 (compute_transaction_bits): New.
2409 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2411 * gcc.c (display_help): Document --help=common and sort entries
2414 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2416 * doc/install.texi: Document check-$LANG specific shortcuts
2418 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2421 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2423 * config/arm/arm_neon.h: Regenerate.
2424 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2425 (neon_vcgeu): New insn.
2426 (neon_vcgtu): Likewise.
2427 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2428 (ops): Unsigned comparison intrinsics call a different
2431 2012-02-28 Richard Guenther <rguenther@suse.de>
2434 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2435 ordering for the VEC_CONCAT for two element vectors for
2436 V2SFmode, V2SImode and V2DImode.
2438 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2441 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2442 detecting big-endian triplets.
2444 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2446 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2447 mode if there is no type information available.
2449 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2451 PR tree-optimization/53207
2452 * doc/invoke.texi: Document as experimental and relying on graphite.
2454 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2456 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2457 of initializer to changes from r184614.
2459 2012-02-28 Richard Guenther <rguenther@suse.de>
2461 PR tree-optimization/52395
2462 * tree-sra.c (build_ref_for_offset): Also look at the base
2463 TYPE_ALIGN when figuring out the alignment of the replacement.
2465 2012-02-28 Richard Guenther <rguenther@suse.de>
2467 PR tree-optimization/52402
2468 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2469 mis-aligned types when creating the accesses at the call site.
2471 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2473 * config/avr/builtins.def: New file.
2474 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2475 * config/avr/avr.c (enum avr_builtin_id): Use it.
2476 (avr_init_builtins): Use it. And use avr_bdesc.
2477 (bdesc_1arg): Remove.
2478 (bdesc_2arg): Remove.
2479 (bdesc_3arg): Remove.
2480 (struct avr_builtin_description): Add field n_args.
2481 (avr_bdesc): New static variable using builtins.def.
2482 (avr_expand_builtin): Use it.
2483 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2484 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2485 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2487 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2490 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2491 match only one single hard register with respective hard reg rtx.
2492 (movmemx_<mode>): Ditto.
2493 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2494 insn anatomy of movmem[x]_<mode>.
2495 (avr_out_movmem): Same for printing assembler and operand usage.
2497 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2501 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2502 address spaces located outside of device flash.
2504 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2505 (mcu_type_s): Add field n_flash.
2506 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2507 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2508 (AVR_MCU): Add N_FLASH argument.
2509 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2510 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2511 macro __FLASH<n> if that address space makes sense for the device.
2512 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2513 outside of target flash.
2514 (avr_asm_named_section): Ditto.
2515 (avr_asm_select_section): Ditto.
2516 (avr_addr_space_convert): Ditto.
2517 (avr_emit_movmemhi): Ditto.
2518 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2519 address space is outside of device flash.
2520 (avr_insert_attributes): Ditto.
2521 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2522 avr_current_arch->n_segments.
2524 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2527 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2529 (*movabs<mode>_2): Likewise.
2531 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2534 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2535 s_register_operand in the test instead of REG_P. Don't call
2536 gen_reg_rtx if it won't be used.
2538 PR tree-optimization/52376
2539 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2541 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2543 * ifcvt.c (noce_get_condition): Check condition variable is not
2544 small_register_classes_for_mode_p before accepting.
2546 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2548 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2550 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2553 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2554 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2556 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2558 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2560 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2562 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2564 * config/sh/predicates.md: Remove blank lines.
2565 * config/sh/sh.c: Fix typos in comments.
2566 * config/sh/constraints.md: Likewise.
2567 * config/sh/sh.md: Remove blank lines.
2568 Fix typos in comments. Use ;; as comment characters.
2570 2012-02-26 Walter Lee <walt@tilera.com>
2572 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2573 (replace_mov_pcrel_step2): Ditto.
2575 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2578 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2579 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2580 and locs that reference values newer than the non-canonical value
2581 at hand. Return the canonical value as a worst case.
2582 (memrefs_conflict_p): Walk canonical value's locs.
2585 * cselib.c (preserve_only_constants): Rename to...
2586 (preserve_constants_and_equivs): ... this. Split out...
2587 (invariant_or_equiv_p): ... this. Preserve plus expressions
2588 of other preserved expressions too.
2589 (cselib_reset_table): Adjust.
2590 * var-tracking.c (reverse_op): Use canonical value to build
2593 2012-02-23 Kai Tietz <ktietz@redhat.com>
2595 * config/i386/i386.c (ix86_delegitimize_address): Handle
2596 UNSPEC_PCREL plus displacement.
2598 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2601 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2602 to test for unusedness in st X addressing.
2604 2012-02-24 Richard Guenther <rguenther@suse.de>
2607 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2608 (is_gimple_reg_type): Move inline ...
2609 * gimple.h (is_gimple_reg_type): ... here.
2611 2012-02-24 Richard Guenther <rguenther@suse.de>
2614 * passes.c (execute_function_todo): When verifying SSA form
2615 verify gimple form first.
2616 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2618 2012-02-24 Richard Guenther <rguenther@suse.de>
2621 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2622 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2624 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2626 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2628 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2630 * tree-phinodes.c (make_phi_node): Mark static.
2631 * tree-flow.h (make_phi_node): Remove extern decl.
2632 * doc/gimple.texi (make_phi_node): Remove documentation.
2634 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2636 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2637 * tree-ssa-sccvn.c (print_scc): Ditto.
2639 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2641 * doc/passes.texi (Full redundancy elimination): Fix typo.
2643 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2645 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2647 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2650 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2652 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2655 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2657 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2659 * config/avr/avr.md (code_stdname): Add ior, xor.
2660 (xior): New code iterator.
2661 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2662 (*<code_stdname><mode>qi.byte1-3): Ditto.
2664 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2666 PR tree-optimization/52019
2667 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2670 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2672 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2673 HAVE_INITFINI_ARRAY to work around namespace pollution in
2674 certain versions of newlib system headers.
2675 * config.in: Regenerate.
2676 * configure: Regenerate.
2677 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2678 instead of HAVE_INITFINI_ARRAY.
2680 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2683 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2684 is not offsettable memory reference.
2686 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2689 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2690 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2692 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2694 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2695 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2697 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2699 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2700 library on Solaris 8 even without TLS support.
2701 * configure: Regenerate.
2703 2012-02-22 Richard Guenther <rguenther@suse.de>
2706 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2707 for GIMPLE_DEBUG stmts.
2709 2012-02-22 Martin Jambor <mjambor@suse.cz>
2712 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2713 according to the base object.
2715 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2717 PR rtl-optimization/50063
2718 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2719 and 2 (8-bit SP) in operand 2.
2720 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2721 setup to use movhi_sp_r instead of vanilla move to write SP.
2722 Adjust REG_CFA notes to superseed unspec.
2723 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2725 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2726 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2727 irq_state 1 (IRQ known to be on) here.
2729 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2731 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2733 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2734 assign_hard_reg): Likewise.
2736 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2738 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2740 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2743 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2744 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2746 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2748 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2749 prototype from here to...
2750 * config/avr/avr.h: ...here.
2752 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2755 * thumb2.md (thumb2_shiftsi3_short): Split register and
2756 immediate shifts. For register shifts tie operands 0 and 1.
2757 (peephole2 for above): Check that register-controlled shifts
2758 have suitably tied operands.
2760 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2763 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2764 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2765 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2766 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2767 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2768 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2769 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2770 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2771 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2772 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2773 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2774 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2775 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2776 bdver1_ssevector_avx256_unaligned_load,
2777 bdver1_ssevector_sse128_unaligned_load,
2778 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2779 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2780 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2781 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2782 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2783 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2784 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2785 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2786 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2787 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2788 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2789 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2790 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2791 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2792 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2793 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2794 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2795 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2796 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2797 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2798 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2799 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2800 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2801 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2802 bdver1_ssediv_double_load, bdver1_ssediv_double,
2803 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2804 Add "bdver2" attribute.
2806 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2808 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2809 default if possible and not specified otherwise.
2811 2012-02-21 Richard Guenther <rguenther@suse.de>
2814 * gimplify.c (create_tmp_from_val): Use the main variant type
2815 for the type of the temporary we create.
2817 2012-02-21 Richard Guenther <rguenther@suse.de>
2819 PR tree-optimization/52324
2820 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2821 do not gimplify a MEM_REF address operand if it is already
2824 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2826 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2827 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2829 2012-02-21 Richard Guenther <rguenther@suse.de>
2831 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2832 nested_in_vect_loop.
2834 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2836 PR tree-optimization/52318
2837 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2838 vdef also to non-pure/const call stmts in the sequence.
2840 2012-02-20 David S. Miller <davem@davemloft.net>
2842 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2843 don't use the "rd %pc" instruction on v9 for PIC register loads.
2845 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2848 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2849 in a transaction safe function.
2851 2012-02-20 Kai Tietz <ktietz@redhat.com>
2854 * stor-layout.c (place_field): Handle desired_align for
2857 2012-02-20 Richard Guenther <rguenther@suse.de>
2859 PR tree-optimization/52298
2860 * tree-vect-stmts.c (vectorizable_store): Properly use
2861 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2863 (vectorizable_load): Likewise.
2864 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2865 Access DR_STEP after ensuring it is not NULL.
2867 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2869 PR tree-optimization/52286
2870 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2871 optimization use double_int_to_tree instead of build_int_cst_wide,
2872 rewrite to use double_int vars.
2874 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2877 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2879 Remove -e 0 from $gcc_cv_ld invocation.
2880 Only use __GLIBC_PREREQ if defined.
2881 Enable on Solaris since Solaris 8 patch.
2882 (gcc_SUN_LD_VERSION): New macro.
2883 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2884 gcc_SUN_LD_VERSION for version number format.
2885 * configure: Regenerate.
2886 * varasm.c (get_elf_initfini_array_priority_section): Set
2887 SECTION_NOTYPE for non-default priority.
2888 Use get_section instead of get_unnamed_section to emit
2889 .init_array/.fini_array with default priority.
2891 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2893 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2894 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2895 (mips_start_unique_function, mips_output_mips16_rdhwr)
2896 (mips_code_end): New functions.
2897 (TARGET_ASM_CODE_END): Define.
2899 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2901 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2902 to stubs with non-sibling calls.
2904 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2906 * doc/invoke.texi (-fira-* options): Copy-edit.
2907 (ira-* parameters): Copy-edit.
2909 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2911 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2912 GCC coding conventions.
2914 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2916 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2917 when used as adjectives.
2919 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2921 * doc/invoke.texi: Clean up "that"/"which" confusion.
2923 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2925 * system.h: Poison SMALL_REGISTER_CLASSES
2926 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2927 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2929 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2931 PR tree-optimization/52285
2932 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2933 when deciding if a call is a tail call or tail recursion.
2935 2012-02-16 Kai Tietz <ktietz@redhat.com>
2937 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2938 interger-constant displacement for UNSPEC_PCREL.
2940 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2942 PR rtl-optimization/52208
2943 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2944 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2946 PR tree-optimization/52255
2947 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2948 loop->header has virtual PHI, but exit_e->dest doesn't, add
2949 virtual PHI to exit_e->dest and adjust all uses after the loop.
2952 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2953 children with clone_tree_hash, not after it.
2955 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2957 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2958 extended identifiers.
2960 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2963 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2964 a same_body_alias, also test whether e->callee isn't a former
2965 or current clone of the decl this is a same body alias of.
2967 PR translation/52264
2968 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2970 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2972 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2974 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2977 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2978 force_reg instead of copy_to_reg for better optimization. Force
2979 non-register or memory operands into a register.
2981 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2983 * extend.texi: Reserve upper bits of memory model for future use.
2985 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2986 Anatoly Sokolov <aesok@post.ru>
2987 Eric Weddington <eric.weddington@atmel.com>
2990 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2991 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2992 Rewrite initializers for .macro.
2993 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2994 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2995 atxmega32d4, atxmega32x1.
2996 avrxmega4: atxmega64a3, atxmega64d3.
2997 avrxmega5: atxmega64a1, atxmega64a1u.
2998 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2999 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3000 avrxmega7: atxmega128a1, atxmega128a1u.
3001 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3002 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3003 (struct base_arch_s): Rename reserved to xmega_p.
3004 Rename reserved2 to have_rampd.
3005 (AVR_XMEGA): New define.
3006 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3007 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3008 * config/avr/predicates.md (io_address_operand): Take into
3010 (low_io_address_operand): Ditto.
3011 (high_io_address_operand): Ditto.
3012 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3013 (enabled, movhi_sp_r): Use them.
3014 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3015 cpp_define_formatted to built-in define __AVR_ARCH__.
3016 (__AVR_XMEGA__): New built-in define.
3017 (__AVR_HAVE_RAMPD__): New built-in define.
3018 (__AVR_HAVE_RAMPX__): New built-in define.
3019 (__AVR_HAVE_RAMPY__): New built-in define.
3020 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3022 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3023 (avr_option_override): Initialize them.
3024 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3025 (avr_init_expanders): Initialize them. No more block several calls.
3026 (emit_push_sfr): New static function.
3027 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3029 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3030 (avr_print_operand): Print addreeses as symbols for
3031 RAMPX, RAMPY, RAMPD, CCP.
3032 (output_movhi): Handle AVR_XMEGA when writing to SP.
3033 (avr_out_movhi_mr_r_xmega): New static function.
3034 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3035 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
3036 __RAMPD__, __CCP__ as needed.
3038 * config/avr/multilib.h: Regenerate.
3039 * config/avr/t-multilib: Regenerate.
3040 * config/avr/avr-tables.opt: Regenerate.
3042 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3044 PR tree-optimization/50561
3045 * graphite-flattening.c (lst_project_loop): Do not
3046 remove old scattering dimensions after flattening.
3047 (lst_do_flatten): Likewise.
3049 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3051 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3052 __builtin_avr_map8, __builtin_avr_map16.
3053 Document __builtin_avr_insert_bits.
3055 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3056 (insert_bits): New insn.
3057 (adjust_len.map_bits): Rename to insert_bits.
3058 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3059 * avr-protos.h (avr_out_map_bits): Remove.
3060 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3061 * config/avr/constraints.md (Cxf,C0f): New.
3062 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3063 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3064 New built-in define __BUILTIN_AVR_INSERT_BITS.
3065 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3066 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3067 (avr_move_bits): Rewrite.
3068 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3070 (avr_map_op_t): New typedef.
3071 (avr_map_op): New static variable.
3072 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3073 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3074 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3075 (bdesc_3arg, avr_expand_triop_builtin): New.
3076 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3077 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3078 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3079 (avr_map_equal_p, avr_map_sig_p): Remove.
3080 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3081 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3082 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3083 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3084 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3085 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3087 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3089 * config/c6x/c6x.md (reserve_cycles): New attribute.
3090 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3091 don't reserve functional units after the branch occurs.
3093 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3096 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3097 functions into non-tm_pure functions.
3099 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3102 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3103 (iterative_hash_canonical_type): Likewise.
3104 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3107 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3109 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3110 sched-group insn, it either remains alone or the entire list is pruned.
3112 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3114 * doc/install.texi (Prerequisites): Fix grammar.
3115 (Configuration): Likewise.
3117 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3119 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3120 MPC as part of GCC before describing configuring with --with-gmp etc.
3121 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3122 sources are present.
3124 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3127 * dwarf2out.c (clone_tree_hash): New function.
3128 (copy_decls_walk): Use it instead of clone_tree.
3130 2012-02-14 Richard Guenther <rguenther@suse.de>
3132 PR tree-optimization/52244
3133 PR tree-optimization/51528
3134 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3135 replacements for integral types.
3137 2012-02-14 Walter Lee <walt@tilera.com>
3139 * config.gcc: Handle tilegx and tilepro.
3140 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3142 Add HAVE_AS_TLS check for tilegx and tilepro.
3143 * configure: Regenerate.
3144 * doc/contrib.texi: Add Mat Hostetter and self.
3145 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3146 Document instruction intrinsics and network accessing intrinsics.
3147 (TILEPro Built-in Functions): New node. Document instruction
3148 intrinsics and network accessing intrinsics.
3149 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3150 (Specific, tilepro-*-linux*): Likewise.
3151 * doc/invoke.texi (TILE-Gx Options): New section.
3152 (TILEPro Options): New section.
3153 * doc/md.texi (TILE-Gx): New section.
3154 (TILEPro): New section.
3155 * common/config/tilegx/tilegx-common.c: New file.
3156 * common/config/tilepro/tilepro-common.c: New file.
3157 * config/tilegx/constraints.md: New file.
3158 * config/tilegx/linux.h: New file.
3159 * config/tilegx/mul-tables.c: New file.
3160 * config/tilegx/predicates.md: New file.
3161 * config/tilegx/sync.md: New file.
3162 * config/tilegx/t-tilegx: New file.
3163 * config/tilegx/tilegx-builtins.h: New file.
3164 * config/tilegx/tilegx-c.c: New file.
3165 * config/tilegx/tilegx-generic.md: New file.
3166 * config/tilegx/tilegx-modes.def: New file.
3167 * config/tilegx/tilegx-multiply.h: New file.
3168 * config/tilegx/tilegx-protos.h: New file.
3169 * config/tilegx/tilegx.c: New file.
3170 * config/tilegx/tilegx.h: New file.
3171 * config/tilegx/tilegx.md: New file.
3172 * config/tilegx/tilegx.opt: New file.
3173 * config/tilepro/constraints.md: New file.
3174 * config/tilepro/gen-mul-tables.cc: New file.
3175 * config/tilepro/linux.h: New file.
3176 * config/tilepro/mul-tables.c: New file.
3177 * config/tilepro/predicates.md: New file.
3178 * config/tilepro/t-tilepro: New file.
3179 * config/tilepro/tilepro-builtins.h: New file.
3180 * config/tilepro/tilepro-c.c: New file.
3181 * config/tilepro/tilepro-generic.md: New file.
3182 * config/tilepro/tilepro-modes.def: New file.
3183 * config/tilepro/tilepro-multiply.h: New file.
3184 * config/tilepro/tilepro-protos.h: New file.
3185 * config/tilepro/tilepro.c: New file.
3186 * config/tilepro/tilepro.h: New file.
3187 * config/tilepro/tilepro.md: New file.
3188 * config/tilepro/tilepro.opt: New file.
3190 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3192 PR tree-optimization/52210
3193 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3194 vect_model_simple_cost with two entry vect_def_type array instead
3195 of an address of dt.
3197 2012-02-14 Richard Guenther <rguenther@suse.de>
3200 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3201 Do not stream DECL_QUALIFIER.
3202 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3203 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3204 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3206 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3209 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3212 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3215 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3216 * cselib.c (cselib_subst_to_values_from_insn): New function.
3217 * sched-deps.c (add_insn_mem_dependence,
3218 sched_analyze_1, sched_analyze_2): Use it.
3220 2012-02-13 Jan Hubicka <jh@suse.cz>
3223 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3225 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3227 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3228 (GTM_SELF_SPECS): Define if not already defined.
3229 (driver_self_specs): Add GTM_SELF_SPECS.
3230 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3231 (GTM_SELF_SPECS): Define.
3232 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3233 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3235 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3237 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3240 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3243 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3244 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3246 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3249 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3251 2012-02-13 Richard Guenther <rguenther@suse.de>
3253 PR translation/52211
3254 * passes.c (enable_disable_pass): Fix typo.
3256 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3259 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3260 XOR for reduce_bit_field if type is unsigned.
3262 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3264 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3265 disallow changes from SFmode to mode with different size in FP regs.
3267 2012-02-12 Robert Millan <rmh@gnu.org>
3268 Gerald Pfeifer <gerald@pfeifer.com>
3270 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3273 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3275 PR rtl-optimization/52175
3276 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3277 to frame-related instructions.
3279 2012-02-10 Jason Merrill <jason@redhat.com>
3282 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3283 (demangle_new_symbols): Fill it.
3284 (scan_linker_output): Walk it.
3285 (start_tweaking): Split out from scan_linker_output.
3286 (maybe_tweak): Update sym->chosen.
3287 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3289 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3292 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3294 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3296 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3297 having the same mode as previous compare.
3299 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3301 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3302 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3303 (nonlocal_goto_internal): Likewise.
3304 (nonlocal_goto): Emit a use and an indirect jump directly.
3306 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3309 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3310 __atomic_{is,always}_lock_free.
3312 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3315 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3316 negative constant address for x32.
3318 2012-02-10 Richard Henderson <rth@redhat.com>
3320 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3321 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3322 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3324 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3325 Ira Rosen <irar@il.ibm.com>
3327 PR tree-optimization/50031
3328 * targhooks.c (default_builtin_vectorization_cost): Handle
3330 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3331 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3332 all types of reduction and pattern statements.
3333 (vect_estimate_min_profitable_iters): Likewise.
3334 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3335 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3336 for explicit realigns.
3337 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3338 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3340 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3341 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3342 vec_perm for VSX and handle vec_promote_demote.
3344 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3347 * builtins.c (fold_builtin_atomic_always_lock_free,
3348 expand_builtin_atomic_always_lock_free,
3349 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3350 Return and/or test boolean_true_node/boolean_false_node instead of
3351 integer_one_node/integer_zero_node.
3353 2012-02-10 Jan Hubicka <jh@suse.cz>
3356 * predict.c (predict_paths_for_bb): Prevent looping.
3357 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3359 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3361 * config/arm/arm.c (output_move_double): In one case properly
3362 count number of instructions that will be emitted.
3364 2012-02-10 Richard Guenther <rguenther@suse.de>
3366 PR translation/52193
3367 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3369 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3372 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3374 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3377 * var-tracking.c (emit_note_insn_var_location): If
3378 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3379 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3380 non-NOTE_DURING_CALL_P insn.
3382 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3385 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3387 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3390 * gcc.c (switch_matches) Support switches with separated form,
3393 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3395 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3397 (RAMPZ_ADDR): Ditto.
3398 * config/avr/avr.c (avr_addr_t): New typedef.
3399 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3400 (avr_init_expanders): Initialize it.
3401 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3403 (expand_epilogue): Ditto.
3404 (avr_print_operand): Ditto.
3405 (avr_file_start): Ditto.
3406 (avr_emit_movmemhi): Ditto.
3408 2012-02-08 Richard Guenther <rguenther@suse.de>
3410 PR tree-optimization/46886
3411 * tree-flow.h (do_while_loop_p): Declare.
3412 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3413 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3415 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3417 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3418 always succeed for integers larger than a native word.
3420 2012-02-08 Richard Guenther <rguenther@suse.de>
3422 PR rtl-optimization/52170
3423 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3424 properly handle integer vector modes.
3426 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3428 PR gcov-profile/52150
3429 * coverage.c: Include target.h.
3430 (build_var): Call targetm.strip_name_encoding on the assembler name.
3431 Change one _ into . or $ if the target allows it.
3432 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3434 PR rtl-optimization/52139
3435 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3436 is a BARRIER after emit_insn_after_noloc, move BB_END
3437 to the last non-BARRIER insn before it.
3439 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3442 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3443 (mips_gimplify_va_arg_expr): Call it instead of
3444 std_gimplify_va_arg_expr.
3446 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3448 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3449 message for -mno-pointers-to-nested-function.
3451 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3454 * expr.c (get_inner_reference): If there is an offset, add a negative
3455 bit position to it (if any).
3457 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3459 PR rtl-optimization/52060
3460 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3461 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3462 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3463 and/or i0src_copy2 when needed.
3465 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3467 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3468 or LTOPLUGINSONAME if have_c.
3470 * config/freebsd-spec.h: Add comment about what macros can be defined
3472 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3473 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3476 2012-02-07 Richard Guenther <rguenther@suse.de>
3478 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3479 newline in -alias dumps.
3481 2012-02-07 Kai Tietz <ktietz@redhat.com>
3482 Dave Korn <dave.korn.cygwin@gmail.com>
3485 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3486 Take care that typinfo gets dllexport-attribute.
3488 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3491 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3492 if modifier < EXPAND_SUM call force_operand on the result.
3494 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3496 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3497 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3499 (epiphany_function_type): Replace types for specific interrupts with
3500 EPIPHANY_FUNCTION_INTERRUPT.
3501 (EPIPHANY_INTERRUPT_P): Update.
3502 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3503 New static function.
3504 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3505 <disinterrupt>: Affects type identity.
3506 (epiphany_handle_interrupt_attribute): Handle variable number of
3508 (epiphany_compute_function_type): Update for new
3509 epiphany_function_type definition.
3510 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3511 handlers with a longcall forwarder.
3512 (epiphany_start_function): Handle multiple interrupt arguments and/or
3513 forwarder_section attribute.
3515 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3518 2012-02-07 Alan Modra <amodra@gmail.com>
3521 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3524 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3526 PR tree-optimization/50969
3527 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3528 use vec_perm rather than vector_stmt.
3529 (vect_model_load_cost): Likewise.
3530 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3531 vec_perm to be the same as other vector statements.
3532 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3533 cost of vec_perm for TARGET_VSX.
3535 2012-02-06 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/52115
3538 * tree-sra.c (access_has_replacements_p): New function.
3539 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3541 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3544 * trans-mem.c (expand_call_tm): Add an assertion.
3545 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3548 2012-02-06 Richard Guenther <rguenther@suse.de>
3550 PR tree-optimization/50955
3551 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3552 raise cost of expressions that replace an address with an
3553 expression based on a different pointer.
3555 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3558 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3559 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3561 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3564 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3565 -Weffc++ and specify guidelines come from second edition.
3567 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3569 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3570 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3571 (call_direct_split, call_value_split, call_value_internal_direct)
3572 (call_value_direct_split, call_value_multiple_split): Use jal and
3573 jal_macro attributes.
3575 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3577 * reload1.c (reload_regs_reach_end_p): Replace with...
3578 (reload_reg_rtx_reaches_end_p): ...this function.
3579 (new_spill_reg_store): Update commentary.
3580 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3581 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3582 before setting new_spill_reg_store.
3583 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3584 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3585 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3586 for non-spill reload registers.
3588 2012-02-05 Ira Rosen <irar@il.ibm.com>
3590 PR tree-optimization/52091
3591 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3592 (vect_is_simple_use_1): Likewise.
3593 * tree-vect-loop.c (vectorizable_reduction): Update calls
3594 to vect_is_simple_use_1 and vect_is_simple_use.
3595 (vectorizable_live_operation): Likewise.
3596 * tree-vect-patterns.c (widened_name_p,
3597 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3598 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3599 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3600 vectorizable_shift,vectorizable_operation, vectorizable_store,
3601 vectorizable_load): Likewise.
3602 (vect_is_simple_cond): Add an argument, pass it to
3603 vect_is_simple_use_1.
3604 (vectorizable_condition): Update calls to vect_is_simple_cond,
3606 (vect_is_simple_use): Add an argument, the statement in which
3607 OPERAND is used. Check that if OPERAND's def stmt is a double
3608 reduction phi node, the use is a phi node too.
3609 (vect_is_simple_use_1): Add an argument, pass it to
3611 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3612 to vect_is_simple_use.
3614 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3616 PR rtl-optimization/52095
3617 * modulo-sched.c (dump_insn_locator): New function.
3618 (loop_canon_p, sms_schedule): Use it.
3620 PR rtl-optimization/52113
3621 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3622 even for decomposable shift/zext insns.
3624 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3625 Zdenek Dvorak <ook@ucw.cz>
3627 PR rtl-optimization/52092
3628 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3629 on get_iv_value result.
3631 2012-02-02 Andrew Pinski <apinski@cavium.com>
3635 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3637 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3640 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3642 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3644 PR rtl-optimization/49800
3645 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3646 (sched_finish): Call regstat_free_n_sets_and_refs.
3648 2012-02-02 Jia Liu <proljc@gmail.com>
3650 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3653 2012-02-02 Jan Hubicka <jh@suse.cz>
3654 Tom de Vries <tom@codesourcery.com>
3657 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3658 * varpool.c (varpool_analyze_pending_decls): Likewise.
3660 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3661 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3663 * config.gcc: Add cr16-* support.
3665 * doc/extend.texi: Document cr16 extensions.
3666 * doc/install.texi: Document cr16 install.
3667 * doc/invoke.texi: Document cr16 options.
3668 * doc/md.texi: Document cr16 constraints.
3670 * common/config/cr16/cr16-common.c: New file.
3671 * config/cr16/cr16.c: New file.
3672 * config/cr16/cr16.h: New file.
3673 * config/cr16/cr16.md: New file.
3674 * config/cr16/cr16.opt: New file.
3675 * config/cr16/cr16-protos.h: New file.
3676 * config/cr16/predicates.md: New file.
3677 * config/cr16/constraints.md: New file.
3678 * config/cr16/t-cr16: New file.
3680 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3683 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3684 that operands[2] is either immediate, or q_regs_operand.
3686 PR tree-optimization/52073
3687 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3688 a pattern stmt for pattern uses, ignore uses outside of the loop.
3690 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3692 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3693 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3694 (OUT_AS1, OUT_AS2): Remove.
3696 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3698 PR rtl-optimization/51374
3699 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3700 to cross other volatile_refs_p insns.
3702 2012-02-01 Richard Guenther <rguenther@suse.de>
3704 * doc/invoke.texi (fno-inline): Clarify documentation.
3705 (finline-small-functions): Likewise.
3706 (finline-functions): Likewise.
3707 * common.opt (finline): Adjust comment and documentation.
3708 (finline-small-functions): Clarify documentation.
3709 (finline-functions): Likewise.
3710 (finline-functions-called-once): Likewise.
3712 2012-02-01 Tristan Gingold <gingold@adacore.com>
3714 * c-typeck.c (composite_type): Keep mode for pointers.
3716 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3718 * function.h (regno_reg_rtx): Adjust comment.
3719 * reginfo.c (init_reg_modes_target): Only use the previous mode
3720 if it fits within one register. Remove MIPS comment.
3722 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3725 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3727 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3729 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3730 to srak instruction.
3732 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3734 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3736 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3741 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3743 2012-01-31 Richard Guenther <rguenther@suse.de>
3745 PR tree-optimization/51528
3746 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3749 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3754 * ree.c (add_removable_extension): Change def_map argument
3755 to unsigned *, store in def_map 1 + offset into *insn_list vector
3756 instead of pointers into the vector.
3757 (find_removable_extensions): Adjust caller.
3759 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3761 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3762 Transform all "* quoted-c-code" to { c-code }.
3763 Remove redundant test for "optimize" in combine patterns.
3764 Move (include "avr-dimode.md") to end of file.
3766 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3769 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3770 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3772 2012-01-30 Richard Guenther <rguenther@suse.de>
3774 PR tree-optimization/52028
3775 * tree-loop-distribution.c (ldist_gen): Properly update
3778 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3781 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3782 set_cur_line_info_table if not emitting debug info.
3784 PR tree-optimization/52046
3785 * tree-vect-patterns.c (check_bool_pattern): Give up if
3786 a comparison could throw.
3789 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3791 2012-01-30 Richard Guenther <rguenther@suse.de>
3793 PR tree-optimization/52045
3794 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3795 SSA form if cfgcleanup did anything.
3797 2012-01-30 Richard Guenther <rguenther@suse.de>
3799 PR tree-optimization/52045
3800 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3801 before computing final todo.
3803 2012-01-30 Richard Guenther <rguenther@suse.de>
3805 PR tree-optimization/51528
3806 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3809 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3811 * df-problems.c (df_kill_notes): Check that the use refers
3812 to the note under examination.
3814 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3817 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3818 parameter and use short-lived pseudos.
3819 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3820 (sparc_expand_vector_init): Const-ify local variables and adjust
3821 calls to above functions.
3823 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3825 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3827 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3829 * doc/invoke.texi: Make usage of "compile time" and
3830 "run time"/"runtime" consistent throughout the file.
3832 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3834 * config/alpha/alpha.c (alpha_option_override): Default to
3835 full IEEE compliance mode for Go language.
3837 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3839 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3840 (LINK_SSP_SPEC): Define.
3842 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3845 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3848 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3850 * doc/invoke.texi: Correct hyphenation of "floating point",
3851 "double precision", and related terminology throughout the file.
3853 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3856 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3857 arm_general_register_operand predicate for operand 2 instead of
3860 2012-01-27 Ian Lance Taylor <iant@google.com>
3863 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3864 * builtins.c (expand_builtin_init_trampoline): Add onstack
3865 parameter. Change caller.
3866 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3867 * tree.c (build_common_builtin_nodes): Declare
3868 __builtin_init_heap_trampoline.
3870 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3872 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3873 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3874 * config/avr/avr.c: Ditto.
3875 (avr_regnames): Remove because unused.
3876 * config/avr/avr.md (*cpse.ne): New peephole.
3877 (*cpse.eq): New peephole from former cpse peepholes.
3879 2012-01-27 Michael Eager <eager@eagercon.com>
3881 * config/microblaze.c (microblaze_emit_compare): Correct
3882 test after pcmp instruction.
3884 2012-01-27 Richard Guenther <rguenther@suse.de>
3886 PR tree-optimization/52020
3887 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3889 2012-01-27 Richard Guenther <rguenther@suse.de>
3891 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3892 function non-const/pure.
3894 2012-01-27 Richard Guenther <rguenther@suse.de>
3896 PR tree-optimization/50444
3897 * tree-sra.c (build_ref_for_offset): Properly adjust the
3898 MEM_REF type for unaligned accesses.
3900 2012-01-27 Richard Guenther <rguenther@suse.de>
3902 PR tree-optimization/50444
3903 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3904 (expand_assignment): Use it. Properly handle misaligned
3905 bases when expanding stores to component references.
3906 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3909 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3912 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3913 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3914 * tree-data-ref.c (find_data_references_in_loop): Make static.
3915 (compute_all_dependences): Change return type to bool. Bail out
3916 for too many datarefs in a loop. Move the hunk resetting the data
3917 dependences vector from ...
3918 (compute_data_dependences_for_loop): ... here. Account for
3919 compute_all_dependences returning false.
3920 (compute_data_dependences_for_bb): Likewise.
3921 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3922 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3924 2012-01-27 Richard Guenther <rguenther@suse.de>
3927 * expr.c (store_field): Use the alias-set of the scratch memory
3930 2012-01-27 Tom de Vries <tom@codesourcery.com>
3932 PR tree-optimization/51990
3933 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3935 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3937 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3940 * var-tracking.c (reverse_op): Don't add any reverse operation
3941 if V already has any constant locations.
3943 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3945 * doc/invoke.texi: Correct usage of "command line" (noun)
3946 vs "command-line" (adjective) throughout.
3948 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3950 * doc/invoke.texi (Language Independent Options): Move
3951 -Wcoverage-mismatch blurb from here....
3952 (Warning Options): ...to here.
3954 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3956 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3957 Set rs6000_always_hint to false for 476.
3959 2012-01-27 Matthias Klose <doko@ubuntu.com>
3961 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3963 * incpath.c (add_standard_paths): Likewise.
3965 2012-01-27 Richard Henderson <rth@redhat.com>
3967 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3968 * config/m68k/sync.md (atomic_test_and_set): Rename from
3969 sync_test_and_setqi and adjust the operands.
3970 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3971 and unconditionally enable.
3973 2012-01-27 Richard Henderson <rth@redhat.com>
3975 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3976 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3977 (ldstub): Rename from ldstubqi.
3978 (ldstub<I24MODE>): Remove.
3980 2012-01-27 Richard Henderson <rth@redhat.com>
3982 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3983 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3984 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3985 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3986 * doc/tm.texi: Rebuild.
3988 2012-01-27 Richard Henderson <rth@redhat.com>
3990 * optabs.c (gen_atomic_test_and_set): Remove default.
3991 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3993 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3995 PR rtl-optimization/51978
3996 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3997 (combine_reaching_defs): Likewise.
3998 (struct re_info): Remove.
3999 (add_removable_extension): Remove x and data arguments,
4000 add insn, insn_list and def_map. Use the arguments directly
4001 instead of using struct re_info.
4002 (find_removable_extensions): Don't call add_removable_extension
4003 through note_stores, instead just call it with single_set
4005 (find_and_remove_re): Pass curr_cand->expr instead of
4006 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4008 2012-01-26 Michael Matz <matz@suse.de>
4010 PR tree-optimization/46590
4011 * cfgexpand.c: Revert last change (r183305).
4012 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4014 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4015 checking for emptiness.
4017 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4020 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4021 non-addressable non-BLKmode base correctly.
4023 2012-01-26 Michael Matz <matz@suse.de>
4025 PR tree-optimization/48794
4026 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4027 regions referenced from RESX/EH_DISPATCH.
4029 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4031 * config/s390/s390.h: Make BRANCH_COST an option.
4032 * config/s390/s390.opt: New option -mbranch-cost.
4034 2012-01-26 Richard Henderson <rth@redhat.com>
4036 Revert 2012-01-24 change:
4037 * trans-mem.c (requires_barrier): Do not instrument thread local
4038 variables and emit save/restore for them.
4040 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4043 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4046 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4048 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4051 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4054 Rename __pgm to __flash.
4055 Rename __pgm1 to __flash1.
4056 Rename __pgm2 to __flash2.
4057 Rename __pgm3 to __flash3.
4058 Rename __pgm4 to __flash4.
4059 Rename __pgm5 to __flash5.
4060 Rename __pgmx to __memx.
4061 * doc/extend.texi (AVR Named Address Spaces)
4062 Rename address space names as indicated above.
4063 * config/avr/avr.c (avr_addrspace): Ditto.
4065 * config/avr/avr-protos.h
4066 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4067 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4068 * config/avr/predicates.md: Ditto.
4069 * config/avr/avr.c Ditto, and
4070 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4071 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4073 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4074 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4075 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4076 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4077 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4078 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4079 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4080 * config/avr/avr.c: Ditto.
4081 * config/avr/avr.md: Ditto.
4083 2012-01-25 Jason Merrill <jason@redhat.com>
4086 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4088 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4090 PR tree-optimization/51987
4091 * tree-data-ref.c (get_references_in_stmt): Handle references in
4092 non-volatile GIMPLE_ASM.
4094 2012-01-25 Richard Guenther <rguenther@suse.de>
4096 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4097 bases are dereferenced.
4099 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4101 PR rtl-optimization/48374
4102 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4104 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4106 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4107 compute_data_dependences_for_loop returns false.
4108 * tree-parloops.c (loop_parallel_p): Likewise.
4110 2012-01-25 Richard Guenther <rguenther@suse.de>
4112 * tree.h (get_pointer_alignment_1): Declare.
4113 * builtins.c (get_pointer_alignment_1): New function.
4114 (get_pointer_alignment): Use it.
4116 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4118 PR rtl-optimization/48308
4119 * combine.c (enum undo_kind): Add UNDO_LINKS.
4120 (struct undo): Add member l to other_contents and where.
4121 (do_SUBST_LINK): New.
4123 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4124 (undo_all): Handle UNDO_LINKS.
4126 2012-01-25 Richard Henderson <rth@redhat.com>
4128 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4131 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4133 * optabs.c (gen_atomic_test_and_set): Use each argument.
4135 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4137 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4138 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4139 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4140 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4141 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4142 TARGET_PAIRED_SINGLE_FLOAT.
4144 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4146 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4147 (in_struct, return_val): Remove MEM documentation.
4148 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4149 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4150 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4152 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4153 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4154 * expr.c (store_field): Likewise.
4155 * function.c (assign_stack_temp_for_type): Likewise.
4156 * ifcvt.c (noce_try_cmove_arith): Likewise.
4157 * reload1.c (reload): Likewise.
4158 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4159 (alpha_set_memflags): Likewise.
4160 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4162 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4164 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4166 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4167 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4168 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4170 * cselib.c (cselib_rtx_varies_p): Delete.
4171 (cselib_invalidate_mem): Update call to canon_true_dependence.
4172 * dse.c (record_store, check_mem_read_rtx): Likewise.
4173 (scan_reads_nospill): Likewise.
4174 * cse.c (check_dependence): Likewise.
4175 (cse_rtx_varies_p): Delete.
4176 * expr.c (safe_from_p): Update call to true_dependence.
4177 * ira.c (validate_equiv_mem_from_store): Likewise.
4178 (memref_referenced_p): Likewise.
4179 * postreload-gcse.c (find_mem_conflicts): Likewise.
4180 * sched-deps.c (sched_analyze_2): Likewise.
4181 * store-motion.c (load_kills_store): Likewise.
4182 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4183 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4184 (compute_transp): Update call to canon_true_dependence.
4186 2012-01-25 Richard Henderson <rth@redhat.com>
4188 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4189 (maybe_emit_atomic_test_and_set): New.
4190 (expand_sync_lock_test_and_set): Use it.
4191 (expand_atomic_test_and_set): Likewise.
4192 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4193 the implementation; clarify implementation defined details.
4194 * doc/md.texi (atomic_test_and_set): Document.
4196 2012-01-25 Richard Henderson <rth@redhat.com>
4198 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4200 2012-01-25 Richard Henderson <rth@redhat.com>
4203 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4204 to effect no-op split.
4206 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4209 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4210 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4211 (BT_FN_VOID_PTR_INT_SIZE): New.
4212 (BT_FN_UINT_UINT_VAR): Remove.
4213 (BT_FN_UINT32_UINT32_VAR): New.
4214 (BT_FN_DOUBLE_VPTR): Remove.
4215 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4217 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4218 (_ITM_changeTransactionMode): Same.
4219 (_ITM_memmoveRtWt): Change return type to void.
4220 (_ITM_memcpyRtWt): Same.
4221 (_ITM_memsetW): Same.
4222 (_ITM_RaRD): Change types to double.
4227 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4229 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4230 Patrick Marlier <patrick.marlier@gmail.com>
4232 * trans-mem.c (requires_barrier): Do not instrument thread local
4233 variables and emit save/restore for them.
4235 2012-01-24 Jason Merrill <jason@redhat.com>
4238 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4239 output static aliases.
4241 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4244 * common.opt (-pie, -shared, pie, shared): Change from Common to
4246 * gcc.c (display_help): Display help for -pie and -shared.
4248 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4251 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4252 Remove note on size/offset limitation.
4253 (AVR Variable Attributes): Add example how to read data located
4254 with progmem. Refer to named address spaces.
4255 * doc/invoke.texi (AVR Options): Fix typo.
4257 2012-01-24 Richard Guenther <rguenther@suse.de>
4259 Forward-port to trunk
4260 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4263 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4264 op0 isn't sufficiently aligned and there is movmisalignM
4265 insn for mode, use it to load op0 into a temporary register.
4267 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4270 * target.def (const_not_ok_for_debug_p): New hook.
4271 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4273 * doc/tm.texi: Regenerated.
4274 * dwarf2out.c (const_ok_for_output_1): If
4275 targetm.const_not_ok_for_debug_p returns true, fail.
4276 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4278 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4280 2012-01-23 Kai Tietz <ktietz@redhat.com>
4283 * config/i386/predicates.md (symbolic_operand): Allow
4284 UNSPEC_PCREL as PIC expression for lea.
4285 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4286 * config/i386/i386.c (ix86_delegitimize_address): Handle
4287 UNSPEC_PCREL for none-MEM, too.
4289 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4291 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4292 (ipa_tm_create_version_alias): Same.
4294 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4297 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4298 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4300 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4301 Patrick Marlier <patrick.marlier@gmail.com>
4302 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4305 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4306 simple_object_start_read.
4308 2012-01-23 Richard Guenther <rguenther@suse.de>
4311 PR tree-optimization/51895
4312 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4313 parameter decomposition into BLKmode components.
4315 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4317 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4318 fake variables for restrict-qualified pointers whose pointed-to type
4319 contains a placeholder.
4321 2012-01-23 Richard Guenther <rguenther@suse.de>
4323 PR tree-optimization/51949
4324 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4326 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4328 PR rtl-optimization/51933
4329 * ree.c (transform_ifelse): Return true right away if dstreg is
4330 already wider or equal to cand->mode.
4331 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4332 (make_defs_and_copies_lists): Remove defs_list and copies_list
4333 arguments, add state argument, just truncate state->work_list
4334 instead of always allocating and freeing the vector. Assert that
4335 get_defs succeeds instead of returning 2. Changed return type to bool.
4336 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4337 have ext_src_mode, see if it has been modified already with the
4338 right kind of extension and has been extended before from the
4339 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4340 just return true. Remember the original mode in state->modified array.
4341 (combine_reaching_defs): Add state argument. Don't allocate and
4342 free here def_list, copied_list and vec vectors, instead just
4343 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4344 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4345 Add state variable, clear vectors in it, initialize state.modified
4346 if needed. Free all the vectors at the end and state.modified too.
4347 Don't skip a candidate if the extension expression has been modified.
4349 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4352 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4353 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4354 (extra_options) interix.opt -> i386/interix.opt"
4355 (extra_objs):Add winnt-stubs.o
4356 * configure.ac: Add interix to target_os .comm on PE check.
4357 * configure: Regenerate.
4358 * config/interix3.h: Delete and move bits to..
4359 * config/interix.h: Delete and move bits to..
4360 * config/i386/i386-interix3.h: Delete and move bits to..
4361 * config/i386/i386-interix.h: ..here.
4362 (TARGET_CPU_DEFAULT): Remove redefinition.
4363 (TARGET_ASM_CONSTRUCTOR): Undefine.
4364 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4365 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4366 (PTRDIFF_TYPE): Define.
4367 (LONG_DOUBLE_TYPE_SIZE): Define.
4368 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4369 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4370 (TARGET_SECTION_TYPE_FLAGS): Define.
4371 (ASM_DECLARE_FUNCTION_NAME): Define.
4372 (ASM_OUTPUT_EXTERNAL): Define.
4373 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4374 (ASM_OUTPUT_ALIGNED_BSS): Define.
4375 (PCC_BITFIELD_TYPE_MATTERS): Define.
4376 (USE_CONST_SECTION): Define.
4377 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4378 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4379 (SUPPORTS_ONE_ONLY): Remove.
4380 (I386_PE_STRIP_ENCODING): Define.
4381 * config/interix.opt: Delete and move bits to..
4382 * config/i386/interix.opt: ..here. New.
4383 (mpe-aligned-commons): Add.
4384 * config/i386/t-interix: Add copyright header.
4385 (winnt-stubs.o): Add rule.
4387 2012-01-22 Jason Merrill <jason@redhat.com>
4390 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4391 for extra name aliases.
4393 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4395 PR rtl-optimization/51924
4396 * ree.c (combine_set_extension): Improve debugging message.
4397 (combine_reaching_defs): Likewise.
4398 (get_defs): Rename confusingly named variable.
4399 (find_and_remove_re): Skip a candidate if the extension expression has
4402 2012-01-21 Robert Millan <rmh@gnu.org>
4403 Gerald Pfeifer <gerald@pfeifer.com>
4405 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4406 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4408 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4410 PR tree-optimization/51914
4411 * tree-vect-stmts.c (vectorizable_conversion): For
4412 cvt_type && modifier == WIDEN, put temporary with cvt_type
4413 at the beginning of vec_dsts and set vec_dest to temporary
4416 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4418 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4420 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4422 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4423 * config/rs6000/rs6000.c: Likewise.
4425 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4428 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4429 output_move_double on a copy of operands array.
4431 2012-01-20 Cary Coutant <ccoutant@google.com>
4432 Dodji Seketeli <dodji@redhat.com>
4435 * dwarf2out.c (copy_declaration_context): Return ref to parent
4436 of declaration DIE, if necessary.
4437 (remove_child_or_replace_with_skeleton): Add new parameter; update
4438 caller. Place skeleton DIE under parent DIE of original declaration.
4439 Move call to copy_declaration_context to here ...
4440 (break_out_comdat_types): ... from here.
4442 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4444 PR rtl-optimization/51856
4445 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4448 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4451 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4452 hints for neon loads and stores.
4454 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4458 * doc/extend.texi (Named Address Spaces): Split into subsections.
4459 (AVR Named Address Spaces): New subsection.
4460 (M32C Named Address Spaces): New subsection.
4461 (RL78 Named Address Spaces): New subsection.
4462 (SPU Named Address Spaces): New subsection.
4463 (Variable Attributes): New anchor "AVR Variable Attributes".
4464 (AVR Variable Attributes): Rewrite and avoid wording
4465 "address space" in this context.
4466 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4467 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4468 (AVR Built-in Macros): New subsubsection therein.
4469 * doc/md.texi (AVR constraints): Remove "C04", "R".
4471 2012-01-20 Richard Guenther <rguenther@suse.de>
4473 PR tree-optimization/51903
4474 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4475 when removing stmts.
4477 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4480 * config/arm/arm.c (arm_load_pic_register): Use
4481 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4482 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4483 (arm_pic_static_addr): Likewise.
4484 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4485 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4486 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4487 (pic_load_addr_unified): New.
4489 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4492 * function.c (instantiate_virtual_regs_in_insn): Use
4493 delete_insn_and_edges when removing a wrong asm insn.
4495 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4497 PR rtl-optimization/40761
4498 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4499 Add new member loop_num.
4500 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4501 (ira_build): Remove the parameter.
4503 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4504 (ira.c): Do not build CFG loops for one region allocation. Remove
4505 argument from ira_build call.
4507 * ira-build.c (init_loop_tree_node): New function.
4508 (create_loop_tree_nodes): Use it. Separate the case when CFG
4509 loops are not built.
4510 (more_one_region_p): Check current_loops.
4511 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4513 (add_loop_to_tree): Process loop equal to NULL too.
4514 (form_loop_tree): Separate the case when CFG loops are not built.
4515 Use explicitly number for the root.
4516 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4518 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4519 instead of loop->num.
4520 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4521 (mark_all_loops_for_removal): Ditto.
4522 (remove_unnecessary_regions): Separate the case when CFG loops
4524 (ira_build): Remove the parameter. Use explicit number of regions
4525 when CFG loops are not built.
4527 * ira-color.c (print_loop_title): Separate the case for the root node.
4528 Use loop_num instead of loop->num.
4529 (move_spill_restore): Use loop_num instead of loop->num.
4531 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4532 (change_loop): Ditto.
4533 (change_loop): Use loop_num instead of loop->num.
4535 * ira-lives.c (process_bb_node_lives): Ditto.
4537 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4539 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4541 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4544 * tree-mudflap.c (mf_artificial): New function.
4545 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4546 mx_register_decls, mudflap_enqueue_decl): Use it.
4549 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4550 numbers in the insn pattern.
4552 2012-01-19 Michael Matz <matz@suse.de>
4554 PR tree-optimization/46590
4555 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4556 use it in remembering which conflicts we already created.
4557 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4560 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4563 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4564 (merge_and_complain): Same.
4566 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4569 * config/initfini-array.h: Guard content of the header
4570 with #ifdef HAVE_INITFINI_ARRAY.
4571 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4572 Add initfini-array.h to tm_file here.
4573 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4574 * config.gcc: Don't add initfini-array.h to tm_file here.
4575 * configure: Regenerated.
4577 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4579 PR rtl-optimization/51505
4580 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4581 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4582 (df_note_bb_compute): Update the call to df_kill_notes.
4584 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4586 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4588 2012-01-18 Richard Guenther <rguenther@suse.de>
4590 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4591 of conversions to void *.
4593 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4594 Richard Sandiford <rdsandiford@googlemail.com>
4598 * optabs.h (simplify_expand_binop): Declare.
4599 * optabs.c (simplify_expand_binop): Make global.
4600 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4601 endian targets if the source cannot be exactly covered by word
4604 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4607 * hard-reg-set.h (struct hard_reg_set_container): New type.
4608 * target.h (struct hard_reg_set_container): Forward declare.
4609 * target.def (set_up_by_prologue): New target hook.
4610 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4611 * doc/tm.texi: Regenerated.
4612 * function.c (thread_prologue_and_epilogue_insns): Change
4613 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4614 Call targetm.set_up_by_prologue on it.
4615 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4616 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4618 2012-01-17 Nick Clifton <nickc@redhat.com>
4620 * config/rx/rx.c (rx_can_use_simple_return): New function.
4621 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4622 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4624 2012-01-17 Richard Guenther <rguenther@suse.de>
4627 * expr.c (expand_assignment): Take address-space information
4628 from the address operand of MEM_REF and TARGET_MEM_REF.
4629 (expand_expr_real_1): Likewise.
4631 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4633 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4634 reload dump is requested.
4636 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4639 * trans-mem.c (requires_barrier): Call may_be_aliased.
4641 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4643 PR tree-optimization/51877
4644 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4645 call arguments and fndecls compare equal, instead return false if they
4646 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4647 both SSA_NAMEs that are valueized the same, or they satisfy
4650 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4652 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4654 * configure: Regenerate.
4656 2012-01-16 Jan Hubicka <jh@suse.cz>
4660 * convert.c (convert_to_integer): Use fold_convert for
4661 converting an INTEGER_CST to integer type.
4663 2012-01-16 Jason Merrill <jason@redhat.com>
4666 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4668 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4671 * config/s390/s390.c (s390_chunkify_start): Don't skip
4672 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4673 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4674 If insn is followed by NOTE_INSN_VAR_LOCATION or
4675 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4676 Don't use location of note insns.
4678 PR tree-optimization/51865
4679 * tree-inline.c (tree_function_versioning): Call remap_decl
4680 on DECL_RESULT whenever it has VOID_TYPE_P type.
4682 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4684 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4685 for calls to locally-binding MIPS16 functions if only the return
4686 type uses float regs.
4688 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4689 Richard Sandiford <rdsandiford@googlemail.com>
4691 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4692 (SYMBOL_32_HIGH): Likewise.
4693 (mips_output_tls_reloc_directive): Declare.
4694 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4695 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4696 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4697 (mips_lo_relocs, mips_hi_relocs): Make extern.
4698 (mips16_stub_function): Move up file.
4699 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4700 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4701 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4702 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4703 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4704 (mips_get_tp): Add MIPS16 support.
4705 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4706 Generalize DTPREL and TPREL handling.
4707 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4708 Add MIPS16 TLS support.
4709 (mips_output_tls_reloc_directive): New function.
4710 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4711 * config/mips/predicates.md (symbolic_operand_with_high)
4712 (tls_reloc_operand): New predicates.
4713 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4714 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4715 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4716 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4717 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4718 (*tls_get_tp_mips16_call_<mode>): Likewise.
4720 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4722 PR rtl-optimization/51821
4723 * recog.c (peep2_find_free_register): Determine clobbered registers
4726 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4729 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4730 * config/avr/avr.c: Likewise.
4731 * config/avr/avr.h: Likewise.
4733 2012-01-13 Ian Lance Taylor <iant@google.com>
4736 * tree.h (TYPE_QUALS): Add cast to int.
4737 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4739 2012-01-13 Ian Lance Taylor <iant@google.com>
4741 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4742 comparing param_index to VEC_length result.
4744 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4746 * c-decl.c: Do not include tree-mudflap.h
4747 * tree-optimize.c: Likewise.
4748 * Makefile.in: Update dependencies.
4750 2012-01-13 Richard Guenther <rguenther@suse.de>
4753 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4754 variable-sized result always use RSO.
4756 2012-01-12 DJ Delorie <dj@redhat.com>
4758 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4759 pointer type, not just the default pointer type.
4761 2012-01-09 Richard Henderson <rth@redhat.com>
4762 Denis Chertykov <chertykov@gmail.com>
4765 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4766 * config/avr/avr.c (avr_can_eliminate): Simplify.
4767 (avr_initial_elimination_offset): Likewise.
4768 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4769 (expand_epilogue): Likewise.
4770 (avr_legitimize_address): Gut.
4771 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4772 (avr_hard_regno_nregs): New.
4773 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4774 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4775 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4776 add soft frame pointer.
4777 (CALL_USED_REGISTERS): Likewise.
4778 (REG_CLASS_CONTENTS): Likewise.
4779 (REGISTER_NAMES): Likewise.
4780 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4781 (HARD_FRAME_POINTER_REGNUM): New.
4782 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4783 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4784 remove the HARD_FRAME_POINTER self-elimination.
4786 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4789 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4790 DECL_EXTERNAL when checking for initializers of progmem variables.
4792 2012-01-12 Ira Rosen <irar@il.ibm.com>
4794 PR tree-optimization/51799
4795 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4796 that the last operation is a type demotion.
4798 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4800 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4801 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4803 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4806 * combine.c (distribute_notes): If i3 is a noreturn call,
4807 allow old_size to be equal to args_size and make sure the
4808 noreturn call gets REG_ARGS_SIZE note.
4809 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4810 on noreturn calls even when the delta is 0.
4812 2012-01-11 Nathan Sidwell <nathan@acm.org>
4814 * gcov.c (STRING_SIZE): Remove.
4815 (generate_results): Erase annotations for source files with no
4816 coverage information.
4818 (output_lines): Use it.
4820 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4822 * gimple.h (gimplify_body): Remove first argument.
4823 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4824 pointer set here, instead just pass DATA to walk_tree.
4825 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4826 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4827 (unvisit_body): Likewise, but with unmark_visited.
4828 (gimplify_body): Remove BODY_P argument and adjust.
4829 (gimplify_function_tree): Adjust call to gimplify_body.
4830 * omp-low.c (finalize_task_copyfn): Likewise.
4832 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4834 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4835 (build_function_type_skip_args): Delete.
4836 * tree.c (build_function_type_skip_args): Make static and add
4837 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4838 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4839 pass it to build_function_type_skip_args.
4840 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4841 (tree_function_versioning): Likewise.
4842 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4843 build_function_decl_skip_args.
4844 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4845 and pass it to build_function_decl_skip_args/tree_function_versioning.
4846 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4847 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4848 * trans-mem.c (ipa_tm_create_version): Likewise.
4849 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4850 * tree-inline.c (declare_return_variable): Remove always-true test.
4851 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4852 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4853 * ipa-split.c (split_function): Skip the return value for the split
4854 part if it doesn't return.
4856 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4858 PR tree-optimization/49642
4859 * ipa-split.c (forbidden_dominators): New variable.
4860 (check_forbidden_calls): New function.
4861 (dominated_by_forbidden): Likewise.
4862 (consider_split): Check for forbidden dominators.
4863 (execute_split_functions): Initialize and free forbidden
4864 dominators info; call check_forbidden_calls.
4866 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4868 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4870 2012-01-11 Nick Clifton <nickc@redhat.com>
4872 * config/rx/rx.md (return): Define pattern.
4874 2012-01-11 Richard Guenther <rguenther@suse.de>
4876 * doc/extend.texi (malloc attribute): Adjust according to
4879 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4880 Patrick Marlier <patrick.marlier@gmail.com>
4883 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4884 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4885 (ipa_tm_note_irrevocable): Same.
4886 (ipa_tm_scan_irr_block): Same.
4887 (ipa_tm_decrement_clone_counts): Same.
4888 (ipa_tm_scan_irr_function): Same.
4889 (ipa_tm_create_version_alias): Same.
4890 (ipa_tm_create_version): Same.
4891 (ipa_tm_transform_calls_redirect): Same.
4892 (ipa_tm_transform_calls): Same.
4893 (ipa_tm_transform_transaction): Same.
4894 (ipa_tm_execute): Same.
4896 2012-01-10 Richard Guenther <rguenther@suse.de>
4899 * opts.c (common_handle_option): Handle -Werror.
4901 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4903 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4906 2012-01-10 Jason Merrill <jason@redhat.com>
4908 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4911 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4913 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4914 supports R_386_TLS_GD_PLT reloc.
4915 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4916 supports R_386_TLS_LDM_PLT reloc.
4917 * configure: Regenerate.
4918 * config.in: Regenerate.
4920 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4923 Extend __pgmx semantics to linearize memory.
4924 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4925 determine if code comes inline or from libgcc.
4926 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4927 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4928 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4929 (movmemx_qi, movmemx_hi): New insns.
4930 (xload_<mode>_libgcc): Rewrite to new insn condition.
4931 (xload_<mode>): Remove insns.
4932 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4933 cases that don't satisfy avr_xload_libgcc_p().
4934 (avr_addr_space_convert): Allow converting in any direction.
4935 (avr_addr_space_subset_p): Return always true.
4936 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4937 (avr_emit_movmemhi): Ditto.
4938 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4939 (avr_out_movmem): Ditto.
4940 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4941 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4942 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4943 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4944 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4946 2012-01-10 Richard Guenther <rguenther@suse.de>
4948 PR tree-optimization/50913
4949 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4950 Require data-refs to be representable by Graphite with respect
4953 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4955 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4956 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4958 2012-01-10 Tom de Vries <tom@codesourcery.com>
4960 PR rtl-optimization/51271
4961 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4962 handling annulled branch.
4964 2012-01-10 Richard Henderson <rth@redhat.com>
4966 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4967 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4968 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4969 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4970 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4971 arm_expand_vec_perm_const): New.
4972 * config/arm/arm-protos.h: Update.
4973 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4974 (*neon_vswp<VDQX>): New.
4975 (neon_vcombine<VDX>): Use neon_split_vcombine.
4976 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4977 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4978 (vec_perm<VE>): New.
4980 2012-01-10 Richard Henderson <rth@redhat.com>
4982 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4983 use it if reload_completed.
4984 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4985 arm_output_asm_insn, arm_process_output_memory_barrier,
4986 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4987 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4988 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4989 arm_process_output_sync_insn, arm_output_sync_insn,
4990 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4991 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4992 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4993 (emit_unlikely_jump): New.
4994 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4995 (arm_split_atomic_op): New.
4996 * config/arm/arm-protos.h: Update.
4997 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4998 (struct arm_sync_generator): Remove.
4999 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5000 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5001 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5002 (VUNSPEC_LL, VUNSPEC_SC): New.
5003 (sync_result, sync_memory, sync_required_value, sync_new_value,
5004 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5005 (attr length): Don't use arm_sync_loop_insns.
5006 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5007 (movsfcc, movdfcc): Likewise.
5008 * config/arm/constraints.md (Ua): New.
5009 * config/arm/prediates.md (mem_noofs_operand): New.
5010 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5011 (sync_clobber, sync_t2_reqd): Remove.
5012 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5013 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5014 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5015 (arm_sync_compare_and_swap<SIDI>): Remove.
5016 (arm_sync_compare_and_swap<NARROW>): Remove.
5017 (arm_sync_lock_test_and_set<SIDI>): Remove.
5018 (arm_sync_lock_test_and_set<NARROW>): Remove.
5019 (arm_sync_new_<syncop><SIDI>): Remove.
5020 (arm_sync_new_<syncop><NARROW>): Remove.
5021 (arm_sync_new_nand<SIDI>): Remove.
5022 (arm_sync_new_nand<NARROW>): Remove.
5023 (arm_sync_old_<syncop><SIDI>): Remove.
5024 (arm_sync_old_<syncop><NARROW>): Remove.
5025 (arm_sync_old_nand<SIDI>): Remove.
5026 (arm_sync_old_nand<NARROW>): Remove.
5027 (*memory_barrier): Merge arm_output_memory_barrier.
5028 (atomic_compare_and_swap<QHSD>): New.
5029 (atomic_compare_and_swap<NARROW>_1): New.
5030 (atomic_compare_and_swap<SIDI>_1): New.
5031 (atomic_exchange<QHSD>): New.
5032 (cas_cmp_operand, cas_cmp_str): New.
5033 (atomic_op_operand, atomic_op_str): New.
5034 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5035 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5036 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5037 (arm_load_exclusive<NARROW>): New.
5038 (arm_load_exclusivesi, arm_load_exclusivedi): New.
5039 (arm_store_exclusive<QHSD>): New.
5041 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5043 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5044 reload patterns if -mvsx-scalar-memory.
5046 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5047 generated, even -mno-vsx-scalar-double was used.
5048 (vsx_xscvdpsp_scalar): Likewise.
5049 (vsx_xscvspdp_scalar2): Likewise.
5051 2012-01-09 Tom de Vries <tom@codesourcery.com>
5052 Andrew Pinski <apinski@cavium.com>
5055 * reorg.c (fill_slots_from_thread): Don't speculate
5056 frame-related insns.
5058 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5060 * sched-int.h (bb_note): Move to...
5061 * basic-block.h: ...here.
5062 * haifa-sched.c (bb_note): Move to...
5063 * cfgrtl.c: ...here.
5064 * function.c (next_block_for_reg): New function.
5065 (move_insn_for_shrink_wrap): Likewise.
5066 (prepare_shrink_wrap): Rewrite to use the above.
5068 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5070 * gimple.c (is_gimple_non_addressable): Remove.
5071 * gimple.h: Remove is_gimple_non_addressable.
5072 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5073 is_gimple_non_addressable.
5074 * trans-mem.c (expand_assign_tm): Same.
5076 2012-01-09 Richard Guenther <rguenther@suse.de>
5078 PR tree-optimization/51775
5079 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5080 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5082 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5084 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5086 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5088 2012-01-09 Richard Guenther <rguenther@suse.de>
5090 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5092 2012-01-08 Jan Hubicka <jh@suse.cz>
5094 PR tree-optimize/51680
5095 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5096 on when known_vals needs to be computed; cleanup.
5098 2012-01-08 Jan Hubicka <jh@suse.cz>
5100 PR tree-optimize/51694
5101 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5103 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5105 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5106 for -std=c++98 and -std=c++11 too.
5108 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5110 * cfgloop.c (cancel_loop): Add free() of bbs array.
5112 2012-01-07 Jan Hubicka <jh@suse.cz>
5114 PR tree-optimization/51600
5115 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5116 that benefits small functions.
5118 2012-01-07 Jan Hubicka <jh@suse.cz>
5120 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5122 2012-01-07 Jan Hubicka <jh@suse.cz>
5124 PR tree-optimization/51680
5125 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5126 whose inlining reduce unit size.
5128 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5131 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5132 Add canonical node to containing_mem chain after the non-canonical
5133 one, even if there weren't any locs to propagate.
5134 (remove_useless_values): Keep only canonical values.
5135 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5136 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5137 canonicalize mem_chain elements that are not discarded.
5139 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5142 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5143 before emitting functions.
5145 PR gcov-profile/50127
5146 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5147 clear_aux_for_blocks.
5149 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5152 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5154 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5156 * c-decl.c (ext_block): Moved up.
5157 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5159 2012-01-06 Han Shen <shenhan@google.com>
5161 Translate built-in include paths for sysroot.
5162 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5163 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5165 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5166 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5168 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5169 control whether sysroot should be prepended to gxx include dir.
5171 * configure: Regenerate.
5173 2012-01-06 Torvald Riegel <triegel@redhat.com>
5175 PR rtl-optimization/51771
5176 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5177 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5179 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5181 PR tree-optimization/51315
5182 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5183 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5185 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5188 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5189 for shrp pattern. Correctly handle and fixup shift variable.
5190 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5192 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5195 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5196 note when !ACCUMULATE_OUTGOING_ARGS.
5198 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5200 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5202 (extract_range_from_unary_expr_1): Avoid useless computations.
5204 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5206 PR rtl-optimization/51767
5207 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5208 of jump_block and add an extra edge for degenerated asm gotos.
5211 * stmt.c (check_unique_operand_names): Don't ICE during error
5212 reporting if i is from labels chain.
5215 * profile.c (branch_prob): Split bbs that have exit edge
5216 and need a fake entry edge too.
5218 2012-01-05 Jan Hubicka <jh@suse.cz>
5221 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5224 2012-01-05 Richard Guenther <rguenther@suse.de>
5227 * tree-streamer-out.c (write_ts_optimization): New function.
5228 (streamer_write_tree_body): Call it.
5229 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5230 (streamer_read_tree_body): Call it.
5231 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5233 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5236 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5237 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5238 in_cleanup_point_expr before gimplify_stmt call and restore it
5240 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5241 in_cleanup_point_expr is false.
5243 2012-01-05 Richard Guenther <rguenther@suse.de>
5246 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5248 * toplev.c (process_options): Reject combining mudflap and LTO.
5249 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5251 2012-01-05 Richard Guenther <rguenther@suse.de>
5253 PR tree-optimization/51760
5254 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5256 (bit_value_unop): Handle UNDEFINED operands.
5257 (bit_value_binop): Likewise.
5259 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5261 * config/avr/avr.c (avr_replace_prefix): Remove.
5262 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5263 (avr_asm_function_rodata_section): Ditto.
5264 (avr_asm_select_section): Ditto.
5266 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5268 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5271 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5274 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5275 calls that have any non-fake successor edges.
5278 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5280 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5282 PR tree-optimization/51624
5283 * tree-sra.c (build_ref_for_model): When replicating a chain of
5284 COMPONENT_REFs, stop as soon as the offset would become negative.
5286 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5289 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5290 in .debug_loc on the floor.
5292 2012-01-04 Andrew Pinski <apinski@cavium.com>
5294 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5296 2012-01-04 Andrew Pinski <apinski@cavium.com>
5297 Adam Nemet <anemet@caviumnetworks.com>
5299 * config/mips/mips.md (size): Add SI and DI.
5300 (SIZE): New mode attribute.
5301 (U): New code attribute.
5302 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5303 (mips_lbux_<mode>): Delete.
5304 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5305 (mips_lhx): Use gen_mips_lhx_extsi.
5306 (mips_lhx_<mode>): Delete.
5308 (mips_l<size>x): New expand.
5309 (mips_lwx_<mode>): Delete.
5310 (mips_l<GPR:size>x_<P:mode>): New pattern.
5311 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5312 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5313 * config/mips/mips.c (mips_lx_address_p): New function.
5314 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5315 (dsp64): New availability predicate.
5316 (mips_builtins): Add an entry for __builtin_mips_ldx.
5317 * config/mips/mips.h (ISA_HAS_LBX): New define.
5318 (ISA_HAS_LBUX): Likewise.
5319 (ISA_HAS_LHX): Likewise.
5320 (ISA_HAS_LHUX): Likewise.
5321 (ISA_HAS_LWX): Likewise.
5322 (ISA_HAS_LWUX): Likewise.
5323 (ISA_HAS_LDX): Likewise.
5324 * doc/extend.texi (__builtin_mips_ldx): Document.
5326 2012-01-04 Tristan Gingold <gingold@adacore.com>
5328 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5329 when long pointers are used.
5330 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5331 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5332 (ia64-hp-*vms*): Remove.
5333 * config/vms/xm-vms64.h: Delete.
5335 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5338 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5340 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5342 * opts.c (finish_options): Remove duplicate sorry.
5344 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5347 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5350 2012-01-04 Richard Guenther <rguenther@suse.de>
5353 * tree.c (size_low_cst): New function.
5354 * tree.h (size_low_cst): Declare.
5355 * fold-const.c (fold_comparison): Use it to extract the low
5356 part of the POINTER_PLUS_EXPR offset.
5358 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5360 Fix clearing ZERO_REG
5361 * config/avr/avr.md (cc): Add alternative "ldi".
5362 (movqi_insn): Use it in cc attribute.
5363 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5364 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5365 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5367 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5369 * configure: Regenerate.
5371 2012-01-04 Richard Guenther <rguenther@suse.de>
5373 PR tree-optimization/49651
5374 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5375 (var_can_have_subvars): Use it.
5376 (get_constraint_for_1): Only consider subfields if there can be any.
5378 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5381 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5382 to its new canonical_cselib_val and the cselib_val was in
5383 first_containing_mem chain, but the canonical_cselib_val was not,
5384 add the latter into the chain.
5385 (cselib_invalidate_mem): Compare canonical_cselib_val of
5386 addr_list chain elt with v.
5389 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5390 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5392 (output_macinfo_op): Don't ggc_strdup fd->filename.
5393 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5394 then ggc_strdup it. Don't free inc->info or cur->info.
5395 (output_macinfo): Don't free ref->info or file->info.
5397 2012-01-03 Ira Rosen <irar@il.ibm.com>
5399 PR tree-optimization/51269
5400 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5401 first_niters a pointer.
5402 (slpeel_tree_peel_loop_to_edge): Likewise.
5403 (vect_do_peeling_for_loop_bound): Update call to
5404 slpeel_tree_peel_loop_to_edge.
5405 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5406 here. Remove it from the parameters list.
5407 (vect_do_peeling_for_alignment): Update calls and compute
5410 2012-01-03 Richard Guenther <rguenther@suse.de>
5412 PR tree-optimization/51070
5413 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5414 Properly handle calls.
5416 2012-01-03 Richard Guenther <rguenther@suse.de>
5418 PR tree-optimization/51692
5419 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5420 the LHS of allocation stmts.
5422 2012-01-03 Olivier Hainque <hainque@adacore.com>
5424 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5426 2012-01-03 Olivier Hainque <hainque@adacore.com>
5428 * collect2.c (main): In AIX specific computations for vector
5429 insertions, use CONST_CAST2 to cast from char ** to const char **.
5431 2012-01-03 Richard Guenther <rguenther@suse.de>
5434 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5435 the context of a limbo DIE when it does not already exist.
5437 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5439 PR tree-optimization/51719
5440 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5441 but direct call is, clear direct call's lhs and don't add fallthrough
5442 edge from dcall_bb to join_bb and PHIs.
5444 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5446 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5447 the instructions emitted by the pattern.
5448 ("*TDC_insn_<mode>"): Add comment.
5450 2012-01-03 Richard Guenther <rguenther@suse.de>
5453 * fold-const.c (fold_comparison): Properly canonicalize
5454 tree offset and HOST_WIDE_INT bit position.
5456 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5458 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5459 operands for extzv pattern.
5461 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5464 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5467 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5469 * doc/invoke.texi (-flto and related options): Copy-edit.
5471 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5473 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5475 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5477 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5480 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5482 * expr.h (move_by_pieces_ninsns): Declare.
5483 * expr.c (move_by_pieces_ninsns): Make external.
5484 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5485 (mips_store_by_pieces_p): Likewise.
5486 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5487 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5488 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5489 (mips_store_by_pieces_p): Likewise.
5491 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5493 * passes.c (register_one_dump_file): Free full_name.
5495 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5496 (calculate_elim_costs_all_insns): Free offsets_at and
5497 offsets_known_at at the end and clear the pointers.
5499 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5501 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5502 this option introduced in r180739.
5504 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5507 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5508 (tmake_file target=avr): Add avr/t-multilib.
5510 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5511 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5512 * config/avr/genmultilib.awk: New file.
5513 * config/avr/t-multilib: New auto-generated file.
5514 * config/avr/multilib.h: New auto-generated file.
5515 * config/avr/t-avr (AVR_MCUS): New variable.
5516 (genopt.sh): Use it.
5517 (s-mlib): Depend on t-multilib.
5518 (t-multilib, multilib.h): New dependencies.
5519 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5520 (MULTILIB_OPTIONS): Remove.
5521 (MULTILIB_MATCHES): Remove.
5522 (MULTILIB_DIRNAMES): Remove.
5523 (MULTILIB_EXCEPTIONS): Remove:
5524 * config/avr/genopt.sh: Don't use hard coded file name;
5525 pass AVR_MCUS from t-avr instead.
5527 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5529 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5531 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5533 Implement light-weight DImode support.
5534 * config/avr/avr-dimode.md: New file.
5535 * config/avr/avr.md: Include it.
5536 (adjust_len): Add plus64, compare64.
5537 (HIDI): Remove code iterator.
5538 (code_stdname): New code attribute.
5539 (rotx, rotsmode): Remove DI.
5540 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5542 * config/avr/avr-protos.h (avr_have_dimode): New.
5543 (avr_out_plus64, avr_out_compare64): New.
5544 * config/avr/avr.c (avr_out_compare): Handle DImode.
5545 (avr_have_dimode): New variable definition and initialization.
5546 (avr_out_compare64, avr_out_plus64): New functions.
5547 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5548 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5549 (avr_compare_pattern): Skip DImode comparisons.
5551 2012-01-02 Revital Eres <revital.eres@linaro.org>
5553 * ddg.c (def_has_ccmode_p): New function.
5554 (add_cross_iteration_register_deps,
5555 create_ddg_dep_from_intra_loop_link): Call it.
5557 2012-01-02 Richard Guenther <rguenther@suse.de>
5560 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5562 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5564 * gcc.c (process_command): Update copyright notice dates.
5565 * gcov.c (print_version): Likewise.
5566 * gcov-dump.c (print_version): Likewise.
5567 * mips-tfile.c (main): Likewise.
5568 * mips-tdump.c (main): Likewise.
5570 2012-01-01 Ira Rosen <irar@il.ibm.com>
5572 PR tree-optimization/51704
5573 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5574 a use is inside the basic block or loop before accessing its vect info.
5576 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5578 PR rtl-optimization/51069
5579 * cfgloopmanip.c (remove_path): Removing path making irreducible
5580 region unconditional makes BB part of the region.
5582 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5584 PR tree-optimization/51683
5585 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5586 calls with side-effects.
5587 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5589 Copyright (C) 2012 Free Software Foundation, Inc.
5591 Copying and distribution of this file, with or without modification,
5592 are permitted in any medium without royalty provided the copyright
5593 notice and this notice are preserved.