1 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
4 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
7 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
9 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
11 Backport from mainline.
12 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
15 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
16 mark as predicable. Adjust asm template.
17 (vec_setv2di_internal): Likewise.
18 (vec_extract<mode> VD, VQ): Likewise.
19 (vec_extractv2di): Likewise.
20 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
21 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
22 (neon_vdup_n<mode> VX, V32): Likewise.
23 (neon_vdup_nv2di): Likewise.
25 2012-08-17 Walter Lee <walt@tilera.com>
27 Backport from mainline
28 2012-08-17 Walter Lee <walt@tilera.com>
30 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
31 (FEEDBACK_ENTER): Define.
32 (FEEDBACK_REENTER): Define.
33 (FEEDBACK_ENTRY): Define.
34 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
35 (FEEDBACK_ENTER): Define.
36 (FEEDBACK_REENTER): Define.
37 (FEEDBACK_ENTRY): Define.
39 2012-08-16 Walter Lee <walt@tilera.com>
41 Backport from mainline
42 2012-08-16 Walter Lee <walt@tilera.com>
44 * config.gcc (tilegx-*-linux*): Add feedback.h.
45 (tilepro-*-linux*): Likewise.
46 * config/tilegx/feedback.h: New file.
47 * config/tilepro/feedback.h: New file.
49 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
51 Backport from mainline r189840 and r187586:
52 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
54 * config/i386/i386.md (stack_protect_set): Disable the pattern
55 for Android since Android libc (bionic) does not provide random
56 value for stack protection guard at gs:0x14. Guard value
57 will be provided from external symbol (default implementation).
58 (stack_protect_set_<mode>): Likewise.
59 (stack_protect_test): Likewise.
60 (stack_protect_test_<mode>): Likewise.
61 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
62 not have Bionic by default
63 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
64 Macro OPTION_BIONIC is defined in this file and provides Bionic
67 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
69 * configure.ac: Stack protector enabling for Android targets.
70 * configure: Regenerate.
72 2012-08-13 Jakub Jelinek <jakub@redhat.com>
75 2012-07-19 Jakub Jelinek <jakub@redhat.com>
77 PR rtl-optimization/53942
78 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
79 directly from likely spilled non-fixed hard registers, move them
82 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
84 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
85 (xop_phaddubq): Ditto.
87 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
89 Backport from mainline
90 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
91 Richard Earnshaw <rearnsha@arm.com>
93 * target.def (vector_alignment): New target hook.
94 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
95 * doc/tm.texi: Regenerate.
96 * targhooks.c (default_vector_alignment): New function.
97 * targhooks.h (default_vector_alignment): Add prototype.
98 * stor-layout.c (layout_type): Use targetm.vector_alignment.
99 * config/arm/arm.c (arm_vector_alignment): New function.
100 (TARGET_VECTOR_ALIGNMENT): Define.
102 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
103 vector type alignment instead of size.
104 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
105 element type size directly instead of computing it from alignment.
106 Fix variable naming and comment.
108 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
110 Backport from mainline
111 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
113 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
114 (alpha_pad_function_end): ... this. Also insert NOP between
115 sibling call and GP load.
116 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
118 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
120 Backport from mainline
121 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
122 H.J. Lu <hongjiu.lu@intel.com>
124 PR rtl-optimization/54157
125 * combine.c (gen_lowpart_for_combine): Don't return identity
126 for CONST or symbolic reference.
128 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
130 Backport from mainline
131 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
133 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
134 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
135 split_cost argument signed.
136 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
137 (ix86_avoid_lea_for_addr): Ditto.
139 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
141 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
142 the address has less than two components.
144 2012-08-02 Steve Ellcey <sellcey@mips.com>
146 Backport from mainline
147 2012-07-19 Steve Ellcey <sellcey@mips.com>
149 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
152 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
154 Backport from mainline
155 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
158 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
159 negative constant address for TARGET_X32 ...
160 (ix86_decompose_address): ... here. Reject constant addresses
161 that don't satisfy x86_64_immediate_operand predicate.
163 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
166 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
167 * config/i386/i386.c (ix86_print_operand_address): Ditto.
168 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
169 addresses. Prevent zero extensions of CONST_INT operands.
171 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
174 * config/i386/i386.md (*lea): New insn pattern.
176 (*lea<mode>_2): Ditto.
177 (*lea_{3,4,5,6}_zext): Ditto.
178 * config/i386/predicates.md (lea_address_operand): Do not reject
179 zero-extended address operands.
180 * config/i386/constraints.md (j): Remove address constraint.
181 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
183 (ix86_print_operand_address): Handle SImode subreg of an address.
184 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
186 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
188 Backport from mainline
189 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
192 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
193 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
195 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
196 (*movdi_internal_rex64): Use %E operand modifier for lea.
197 (*movsi_internal): Ditto.
199 (*lea<mode>_2): Ditto.
200 (*lea_{3,4,5,6}_zext): Ditto.
201 (*tls_global_dynamic_32_gnu): Ditto.
202 (*tls_global_dynamic_64): Ditto.
203 (*tls_dynamic_gnu2_lea_32): Ditto.
204 (*tls_dynamic_gnu2_lea_64): Ditto.
205 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
207 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
209 Backport from mainline
210 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
212 * config/i386/i386.c (ix86_address_subreg_operand): Reject
214 (ix86_print_operand_address): Assert that parts.base and parts.index
215 are non-NULL after call to simplify_subreg.
217 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
220 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
222 * config/sh/sh.c (sh_option_override): Do not change
223 flag_finite_math_only. Set TARGET_IEEE to complement of
224 flag_finite_math_only.
225 * doc/invoke.texi (SH options): Add mno-ieee. Correct
226 description of mieee and mno-ieee behavior.
228 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
231 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
234 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
236 Backport from mainline
237 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
239 PR rtl-optimization/52250
240 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
241 to put note list into. Unconditionally call move_bb_info.
242 (move_bb_info): Do not assert the blocks being in the same region,
243 just drop the note list if they are not.
245 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
247 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
249 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
251 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
252 defining statement is a SSA name that occurs in abnormal PHIs.
254 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
256 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
259 2012-07-19 Richard Guenther <rguenther@suse.de>
260 Eric Botcazou <ebotcazou@adacore.com>
262 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
263 about transition from invariant to known bits.
264 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
266 2012-07-19 Jakub Jelinek <jakub@redhat.com>
269 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
270 (cleanup_tree_cfg_bb): Don't call it.
271 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
274 2012-07-19 Christian Bruel <christian.bruel@st.com>
277 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
279 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
281 * config.gcc (v850-*-rtems*): New target.
282 * config/v850/rtems.h: New.
283 * config/v850/t-rtems: New.
285 2012-07-18 Nick Clifton <nickc@redhat.com>
287 * doc/invoke.texi (ARM Options): Document -munaligned-access.
289 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
293 Backport from mainline
294 2012-04-25 Jakub Jelinek <jakub@redhat.com>
297 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
298 instead expand it as zero extension.
300 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
302 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
303 QImode and HImode splitters. Use ix86_comparison_operator.
304 Explicitly match FLAGS_REG.
305 (DFmode cmove splitter): Explicitly match FLAGS_REG.
307 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
308 Steven Bosscher <steven@gcc.gnu.org>
309 Bernd Schmidt <bernds@codesourcery.com>
311 PR rtl-optimization/53908
312 * df-problems.c (can_move_insns_across): When doing
313 memory-reference book-keeping, handle call insns.
315 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
317 Backport from mainline
318 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
321 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
322 sibcall_insn_operand. Move it to a temporary register if not.
324 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
327 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
328 emit PIC sequence for fnaddr symbol reference in advance.
330 2012-07-09 Jason Merrill <jason@redhat.com>
333 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
334 (type_hash_eq): Likewise.
337 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
339 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
341 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
342 due to negative shift amount.
344 2012-07-06 Kai Tietz <ktietz@redhat.com>
346 Backport from mainline.
348 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
351 2012-07-06 Nick Clifton <nickc@redhat.com>
353 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
354 default_encode_section_info.
356 2012-07-06 Richard Guenther <rguenther@suse.de>
358 Backport from mainline
359 2012-03-30 Richard Guenther <rguenther@suse.de>
362 * double-int.c (rshift_double): Remove not needed cast.
364 2012-03-28 Richard Guenther <rguenther@suse.de>
367 * double-int.h (rshift_double): Remove.
368 * double-int.c (lshift_double): Use absu_hwi to make count
370 (rshift_double): Make static, take unsigned count argument,
371 remove handling of negative count argument.
372 (double_int_rshift): Dispatch to lshift_double.
374 2012-07-06 Richard Guenther <rguenther@suse.de>
376 Backport from mainline
377 2012-06-18 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/53693
380 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
381 Reject operands with more than one use.
383 2012-07-06 Richard Guenther <rguenther@suse.de>
385 Backport from mainline
386 2012-04-11 Richard Guenther <rguenther@suse.de>
389 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
390 consider loop nesting.
391 (evolution_function_is_univariate_p): Properly check the remainder
394 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
396 Backport from mainline
397 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
399 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
400 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
401 (adjacent_mem_locations): Move some code to and call...
402 (get_memref_parts): ...new function.
403 (mem_locations_overlap): New function.
404 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
405 (is_mem_ref): Rename to...
406 (find_mem_ref): ...this. Return MEM rtx.
407 (get_store_dest): Remove function.
408 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
409 new parameter and adjust calls.
410 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
411 mem refs overlap for true_store_to_load_dep_costly.
412 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
413 passed to adjacent_mem_locations.
414 (is_costly_group): Walk resolved dependency list.
415 (force_new_group): Emit group ending nop for Power6/Power7.
416 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
417 (group_ending_nop): New define_insn.
419 2012-07-04 Richard Guenther <rguenther@suse.de>
422 * gimple-fold.c (get_base_constructor): Do not return an
423 error_mark_node DECL_INITIAL.
425 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
427 Backport from mainline
428 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
430 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
431 code model string in the error message.
433 2012-07-04 Tristan Gingold <gingold@adacore.com>
435 Backport from mainline.
436 2012-06-25 Tristan Gingold <gingold@adacore.com>
438 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
439 (seh_cfa_adjust_cfa): ... that function.
440 (seh_emit_stackalloc): Do not emit out of range values.
441 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
442 UNSPEC_DEF_CFA constants.
443 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
444 * config/i386/i386.c (ix86_frame_pointer_required): Required
445 for very large frames on SEH target.
446 (ix86_compute_frame_layout): Save area is before frame pointer
447 on SEH target. Handle very large frames.
448 (ix86_expand_prologue): Likewise.
450 2012-07-04 Richard Guenther <rguenther@suse.de>
452 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
453 as in free_lang_data_in_type.
455 2012-07-02 Martin Jambor <mjambor@suse.cz>
457 Backport from mainline.
458 2012-07-02 Martin Jambor <mjambor@suse.cz>
461 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
462 dynamic type change check.
464 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
466 * tree-eh.c (lower_try_finally_switch): Really put the location of the
467 last statement of the finally block onto the switch.
469 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
471 * configure: Regenerate.
473 Backport from mainline.
474 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
476 * config.gcc (target_type_format_char): New. Document it. Set it for
478 * configure.ac (gnu_unique_option): Use target_type_format_char
479 in test. Comment rationale.
481 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
483 Backport from mainline.
484 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
486 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
488 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
490 Backport from 2012-06-28 mainline r189049
493 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
494 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
495 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
496 avr_hard_regno_call_part_clobbered.
498 2012-06-28 Richard Guenther <rguenther@suse.de>
501 * expr.c (expand_expr_real_1): Verify if the type is complete
502 before inspecting its size.
504 2012-06-27 Nick Clifton <nickc@redhat.com>
506 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
509 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
512 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
514 2012-06-26 Nick Clifton <nickc@redhat.com>
516 * config/rx/rx.md (simple_return): Use the simple_return rtx.
518 2012-06-25 Jakub Jelinek <jakub@redhat.com>
521 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
522 of x x x in the vmovlps load alternative.
524 2012-06-22 Richard Guenther <rguenther@suse.de>
526 * gcov-iov.c: Include bconfig.h and system.h.
528 2012-06-22 Richard Guenther <rguenther@suse.de>
530 PR gcov-profile/53744
531 * gcov-iov.c (main): Treat "" and "prerelease" the same.
533 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
535 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
536 DECL_IGNORED_P non-reg vars even if they are used.
538 2012-06-19 Jason Merrill <jason@redhat.com>
541 * dwarf2out.c (modified_type_die): Use scope_die_for.
542 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
543 (uses_local_type_r, uses_local_type): New.
544 (scope_die_for): Keep a type that uses a local type in local scope.
545 Use get_context_die for namespace and type scope.
547 2012-06-19 Richard Guenther <rguenther@suse.de>
550 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
551 replace it with the first non-BLOCK context.
553 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
555 PR rtl-optimization/53700
557 Backport from mainline
558 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
560 * ira-color.c (setup_left_conflict_sizes_p): Process all
563 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
565 Backport from mainline
566 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
569 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
570 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
571 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
572 instead of xop_mulv2div2di3_low.
573 (xop_p<macs>dql): Fix vec_select selector.
574 (xop_p<macs>dqh): Ditto.
575 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
576 (xop_mulv2div2di3_high): Ditto.
578 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
580 Backport from mainline:
581 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
583 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
585 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
587 Backport from mainline:
588 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
590 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
591 * config/pa/pa.c (pa_attr_length_millicode_call): Use
592 MAX_PCREL17F_OFFSET instead of fixed offset.
593 (pa_attr_length_call): Likewise.
594 (pa_attr_length_indirect_call): Likewise.
596 2012-06-15 Walter Lee <walt@tilera.com>
598 Backport from mainline:
599 2012-06-15 Walter Lee <walt@tilera.com>
601 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
603 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
605 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
607 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
609 Backport from mainline:
611 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
612 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
613 * gimple.h (block_in_transaction): Check for flag_tm.
615 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
617 PR tree-optimization/52558
619 Backport from mainline:
620 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
621 * gimple.h (gimple_set_in_transaction): Remove.
622 (gimple_in_transaction): Look in BB instead.
623 (gimple_statement_base): Remove in_transaction field.
624 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
625 * trans-mem.c (compute_transaction_bits): Place transaction bit
626 information into basic blocks.
628 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
630 PR tree-optimization/52558
631 * cfg.c (alloc_aux_for_edge): Fix comment.
632 (alloc_aux_for_edge): Remove static.
633 * basic-block.h (alloc_aux_for_edge): Protoize.
634 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
635 (execute_sm_if_changed_flag): New.
636 (execute_sm_if_changed_flag_set): New.
637 (execute_sm): Do not generate data races unless requested.
638 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
639 (tree_ssa_lim_finalize): Call free_aux_for_edges.
640 * gimple.h (block_in_transaction): New.
641 (gimple_in_transaction): Use block_in_transaction.
643 2012-06-14 Jakub Jelinek <jakub@redhat.com>
645 Backported from mainline
646 2012-06-12 Jakub Jelinek <jakub@redhat.com>
648 PR rtl-optimization/53589
649 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
650 discovery even when e->dest != target. If any LABEL_REF points
651 to e->dest label, redirect it to target's label.
653 2012-06-07 Jakub Jelinek <jakub@redhat.com>
656 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
657 returns false, replace stmt with GIMPLE_NOP.
658 (check_omp_nesting_restrictions): Instead of issuing warnings,
659 issue errors and return false if any errors were reported.
661 2012-06-14 Richard Guenther <rguenther@suse.de>
663 * BASE-VER: Set to 4.7.2.
664 * DEV-PHASE: Set to prerelease.
666 2012-06-12 Christian Bruel <christian.bruel@st.com>
669 * config/sh/sh.c (sh_option_override): Don't force
670 flag_omit_frame_pointer and maccumulate_outgoing_args.
671 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
673 2012-06-14 Release Manager
675 * GCC 4.7.1 released.
677 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
679 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
681 2012-06-13 Richard Henderson <rth@redhat.com>
683 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
684 iterator instead of INT.
686 2012-06-08 Richard Henderson <rth@redhat.com>
689 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
690 note to a clobber insn when no other insn is available.
692 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
695 * doc/invoke.texi (Wenum-compare): Update documentation.
697 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
700 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
702 (altivec_stvlxl): Ditto.
703 (altivec_stvrx): Ditto.
704 (altivec_stvrxl): Ditto.
706 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
709 * trans-mem.c (expand_block_edges): Do not skip the first
710 statement when resetting the BB.
712 2012-06-04 Richard Guenther <rguenther@suse.de>
715 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
716 create new assembler names.
718 2012-06-04 Richard Guenther <rguenther@suse.de>
720 Backport from mainline
721 2012-04-25 Jakub Jelinek <jakub@redhat.com>
724 * stor-layout.c (get_best_mode): Don't return mode with bitsize
725 larger than maxbits. Don't compute maxbits modulo align.
726 Also check that unit bytes long store at bitpos / unit * unit
727 doesn't affect bits beyond bitregion_end.
728 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
729 would not fit into bitregion_start ... bitregion_end + 1 bit
731 (store_split_bit_field): Decrease unit close to end of bitregion_end
732 if access is restricted in order to avoid mutual recursion.
734 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
736 Backport from 2012-06-04 mainline r188172
739 * config/avr/avr-stdint.h: New file.
740 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
743 2012-06-04 Jakub Jelinek <jakub@redhat.com>
745 PR tree-optimization/53550
746 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
747 is POINTER_TYPE_P, use sizetype as step type instead of type.
749 2012-06-04 Richard Guenther <rguenther@suse.de>
750 Eric Botcazou <ebotcazou@adacore.com>
752 Backport from mainline
753 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
755 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
756 Change type of BITOFFSET to signed. Make sure the lower bound of
757 the computed range is non-negative by adjusting OFFSET and BITPOS.
758 (expand_assignment): Adjust call to get_bit_range.
760 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
762 * expr.c (get_bit_range): Return the null range if the enclosing record
763 is part of a larger bit field.
765 2012-03-20 Richard Guenther <rguenther@suse.de>
767 * stor-layout.c (finish_bitfield_representative): Fallback
768 to conservative maximum size if the padding up to the next
769 field cannot be computed as a constant.
770 (finish_bitfield_layout): If we cannot compute the distance
771 between the start of the bitfield representative and the
772 bitfield member start a new representative.
773 * expr.c (get_bit_range): The distance between the start of
774 the bitfield representative and the bitfield member is zero
775 if the field offsets are not constants.
777 2012-03-16 Richard Guenther <rguenther@suse.de>
779 * stor-layout.c (finish_bitfield_representative): Fall back
780 to the conservative maximum size if we cannot compute the
781 size of the tail padding.
783 2012-03-14 Richard Guenther <rguenther@suse.de>
785 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
786 * stor-layout.c (start_bitfield_representative): New function.
787 (finish_bitfield_representative): Likewise.
788 (finish_bitfield_layout): Likewise.
789 (finish_record_layout): Call finish_bitfield_layout.
790 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
791 for QUAL_UNION_TYPE fields.
792 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
793 Stream DECL_BIT_FIELD_REPRESENTATIVE.
794 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
799 * expr.c (get_bit_range): Unconditionally extract bitrange
800 from DECL_BIT_FIELD_REPRESENTATIVE.
801 (expand_assignment): Adjust call to get_bit_range.
803 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
806 * fold-const.c (fold_binary_loc): Refine previous change.
808 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
810 Backport from mainline
811 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
814 * config/sh/sh.c (find_barrier): Add equality check of last_got to
815 avoid going above orig insn. Update comments.
817 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
819 Backport from mainline
820 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
823 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
824 prologue for unwinder and profiler.
826 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
828 Backport from mainline
829 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
831 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
833 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
835 Backport from mainline
836 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
838 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
841 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
843 Backport from mainline
844 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
846 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
847 operand is CONST_INT. Take COSTS_N_INSNS into account.
848 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
851 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
853 * config/avr/avr.opt (-msp8): Document it.
854 * doc/invoke.texi (AVR Options): Copy from trunk docu.
856 2012-05-31 Richard Guenther <rguenther@suse.de>
859 * expr.c (expand_assignment): Do not use movmisalign on
862 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
865 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
866 (pa_section_type_flags): New.
867 (pa_legitimate_constant_p): Revert previous change.
869 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
871 Backport from mainline
872 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
875 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
877 (ipa_tm_create_version): Same.
879 2012-05-30 Jason Merrill <jason@redhat.com>
882 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
883 about array compound literals.
885 2012-05-30 Richard Guenther <rguenther@suse.de>
888 * fold-const.c (fold_binary_loc): Make sure to call
889 fold_plusminus_mult_expr with the original sign of operands.
891 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
893 * explow.c (probe_stack_range): Restore simple control flow and stop
894 again when the probe cannot be generated if HAVE_check_stack.
896 2012-05-30 Jakub Jelinek <jakub@redhat.com>
898 PR rtl-optimization/53519
899 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
900 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
902 2012-05-29 Richard Guenther <rguenther@suse.de>
904 PR tree-optimization/53516
905 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
907 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
909 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
911 Backport from mainline
912 2012-05-28 Richard Guenther <rguenther@suse.de>
914 PR tree-optimization/53438
915 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
917 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
919 Backport from mainline
920 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
922 PR rtl-optimization/52528
923 * combine.c (can_combine_p): Add setting of subst_low_luid
924 before call to expand_field_assignment().
926 2012-05-26 Martin Jambor <mjambor@suse.cz>
928 Backport from mainline
929 2012-05-23 Martin Jambor <mjambor@suse.cz>
931 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
933 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
936 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
937 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
939 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
942 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
943 (ix86_expand_vec_perm): Use int mode instead of float.
945 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
948 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
949 gnu_ld variables to yes.
950 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
951 (HAVE_GNU_AS): Likewise.
952 * config.in: Regenerate.
953 * configure: Likewise.
955 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
957 Backport from mainline
958 2012-03-12 Richard Guenther <rguenther@suse.de>
959 * config/arm/arm.c (neon_dereference_pointer): Do not call
960 covert during RTL expansion.
962 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
964 Backport from mainline
965 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
968 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
969 relied on signed overflow behavior.
971 2012-05-24 Richard Guenther <rguenther@suse.de>
974 * tree-profile.c (tree_profiling): Cleanup the CFG if
975 execute_fixup_cfg requests it.
977 2012-05-24 Jakub Jelinek <jakub@redhat.com>
979 PR tree-optimization/53465
980 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
981 vr0 into *vr, then vrp_meet that.
982 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
983 have any equivalences.
984 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
987 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
989 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
991 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
992 (iterative_hash_gimple_type): Adjust comment.
993 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
994 domain for an array type instead of the domain type itself.
996 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
998 Backport from 2012-05-23 mainline r187803
1001 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1002 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1005 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1007 Backport from 2012-05-03 mainline r187075
1009 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1010 has_fma4 for AMD processors with both fma3 and fma4 support.
1012 2012-05-22 Richard Guenther <rguenther@suse.de>
1014 PR tree-optimization/53408
1015 * tree-vect-loop.c (vectorizable_induction): Properly check
1016 the restriction that we cannot handle induction results from
1017 the inner loop outside of the outer loop.
1019 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1021 PR tree-optimization/53436
1022 * omp-low.c (omp_build_component_ref): New function.
1023 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1025 PR tree-optimization/53366
1026 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1027 tests if complex_numbers == 2, but there are non-complex number loads
1030 PR tree-optimization/53409
1031 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1032 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1034 PR tree-optimization/53410
1035 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1036 instead of build_int_cst (type, 0) where vector types might be
1039 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1042 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1043 from folded operands before wrapping another around the
1044 conditional expression.
1046 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1047 Patrick Marlier <patrick.marlier@gmail.com>
1049 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1052 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1054 Backport from mainline
1055 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1058 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1059 (UNSPECV_RDRAND): This.
1060 (rdrand<mode>_1): Updated.
1062 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1064 Backport from mainline
1065 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1067 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1068 RDRND, F16C and FSGSBASE.
1070 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1072 Backport from mainline
1073 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1075 * tree-ssa-pre.c (can_value_number_call): Delete.
1076 (compute_avail): Skip all statements with side effects.
1077 <GIMPLE_CALL>: Skip calls to internal functions.
1079 2012-05-18 David S. Miller <davem@davemloft.net>
1081 Backport r185385 from mainline
1082 2012-03-14 Richard Guenther <rguenther@suse.de>
1085 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1086 element type instead of mode, use build_vector_type_for_mode
1087 instead of the langhook, build a vector of proper signedness.
1088 (expand_vector_operations_1): Adjust.
1090 2012-05-18 Olivier Hainque <hainque@adacore.com>
1092 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1093 $(libsubdir) as libexecsubdir.
1095 2012-05-16 Andrew Pinski <apinski@cavium.com>
1097 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1100 2012-05-16 David S. Miller <davem@davemloft.net>
1102 * jump.c (delete_related_insns): If we remove a CALL, make sure
1103 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1105 2012-05-16 Richard Henderson <rth@redhat.com>
1108 * combine-stack-adj.c (prev_active_insn_bb): New.
1109 (next_active_insn_bb): New.
1110 (force_move_args_size_note): New.
1111 (combine_stack_adjustments_for_block): Use it.
1113 2012-05-16 Olivier Hainque <hainque@adacore.com>
1115 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1116 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1117 Add comments and improve stamp preservation across the whole sequence.
1118 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1120 2012-05-16 Richard Guenther <rguenther@suse.de>
1122 PR tree-optimization/53364
1123 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1124 detect a view-conversion of the decl.
1126 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1129 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1130 that operands[2] is either immediate, or q_regs_operand.
1132 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1134 Backport r187139 from mainline.
1135 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1137 PR rtl-optimization/52804
1138 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1139 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1140 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1141 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1142 RELOAD_FOR_OUTADDR_ADDRESS.
1144 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1147 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1148 generate target register for "load" class builtins.
1151 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1154 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1155 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1156 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1157 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1158 (<sse>_movu<ssemodesuffix>): New expander.
1159 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1160 (avx_movdqu<avxmodesuffix>): New expander.
1161 (*sse2_movdqu): Rename from sse2_movdqu.
1162 (sse2_movdqu): New expander.
1164 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1166 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1167 lineno 1 the same as lineno 0 before first start file directive.
1168 (optimize_macinfo_range): Likewise.
1170 * dwarf2out.c (have_macinfo): Define.
1171 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1172 attribute, don't force empty compilation unit and don't emit any
1173 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1175 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1177 Backport from mainline
1178 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1180 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1181 ORDERED and UNORDERED conditions.
1183 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1185 * function.c (requires_stack_frame_p): If the function can throw
1186 non-call exceptions, return true if the insn can throw internally.
1188 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1190 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1191 DECL_ORIGINAL_TYPE if it is present.
1193 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1195 Backport from 2012-05-12 mainline r187342.
1198 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1199 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1200 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1201 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1202 (expand_prologue): Move initialization of cfun->machine->is_naked,
1203 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1204 (avr_set_current_function): ...this new static function.
1205 (TARGET_SET_CURRENT_FUNCTION): New define.
1206 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1207 checking attributes of current_function_decl.
1208 (avr_regs_to_save): Ditto.
1209 (signal_function_p): Rename to avr_signal_function_p.
1210 (interrupt_function_p): Rename to avr_interrupt_function_p.
1212 * doc/extend.texi (Function Attributes): Better explanation of
1213 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1216 2012-05-09 Matthias Klose <doko@ubuntu.com>
1218 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1220 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1223 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1224 when a constant source operand matches an "I" constraint, the "no
1225 CC0 change" applies to a register-destination only, not a
1226 strict_low_part-destination.
1228 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1230 Backport from mainline:
1231 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1233 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1235 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1237 PR tree-optimization/53239
1238 * tree-vrp.c (get_value_range): Set VR of
1239 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1242 2012-05-07 Richard Guenther <rguenther@suse.de>
1244 PR tree-optimization/53195
1245 * tree-inline.c (setup_one_parameter): Properly add referenced
1246 vars from the parameters new known value.
1248 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1250 Backport from mainline:
1251 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1254 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1257 2012-05-04 Ian Lance Taylor <iant@google.com>
1259 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1260 values from false to NULL.
1262 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1264 Backport from mainline
1265 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1268 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1269 (TARGET_CMOV): Rename from TARGET_CMOVE.
1270 (TARGET_CMOVE): New define.
1271 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1272 Do not set TARGET_CMOVE here.
1274 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1276 Backport from mainline:
1278 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1280 PR tree-optimization/52633
1281 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1282 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1283 (vect_recog_over_widening_pattern): Remove handling of code that was
1284 already detected as over-widening pattern. Remove special handling
1285 of "unsigned" cases. Instead, support general case of conversion
1286 of the shift result to another type.
1288 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1290 * tree-vect-patterns.c (vect_single_imm_use): New function.
1291 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1292 (vect_recog_over_widening_pattern): Likewise.
1293 (vect_recog_widen_shift_pattern): Likewise.
1295 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1297 PR tree-optimization/52870
1298 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1299 presumed pattern statement is within the same loop or basic block.
1301 2012-05-04 Richard Guenther <rguenther@suse.de>
1303 * common.opt (flto-report): Do not mark as Optimization.
1305 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1308 * recog.c (constrain_operands): If extra constraints are present, also
1309 accept pseudo-registers with equivalent memory locations during reload.
1311 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1313 Backport from the mainline
1314 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1317 * config/rs6000/rs6000.md (bswapdi splitters): If
1318 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1319 default) is used, generate an alternate sequence that does not
1320 depend on using indexed addressing.
1322 2012-05-03 David S. Miller <davem@davemloft.net>
1325 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1326 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1327 (sparc_emit_float_lib_cmp): Likewise.
1329 2012-05-04 Martin Jambor <mjambor@suse.cz>
1331 Backport from mainline
1332 2012-05-02 Martin Jambor <mjambor@suse.cz>
1335 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1336 of a variable when the contect is a function.
1338 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1341 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1342 append program name to it and pass that as first argument
1343 to make_relative_prefix. Always pass standard_libexec_prefix
1344 as last argument to make_relative_prefix. If
1345 make_relative_prefix returns NULL, fall back to
1346 standard_libexec_prefix.
1349 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1353 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1354 mode, return that mode.
1356 2012-05-03 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/53144
1359 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1361 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1362 with SSA name values.
1363 (vn_reference_lookup_3): Adjust callers.
1365 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1367 PR tree-optimization/53163
1368 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1369 return value from compute_all_dependences.
1371 PR rtl-optimization/53160
1372 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1373 has been modified by ree pass already.
1375 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1377 Backport from mainline
1378 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1381 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1382 calls to cgraph_node_name in xstrdup.
1383 (ipa_make_edge_direct_to_target): Ditto.
1384 * tree-sra.c (convert_callers_for_node): Ditto.
1385 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1386 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1387 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1388 (cgraph_materialize_all_clones): Ditto.
1389 * ipa-inline.c (report_inline_failed_reason): Ditto.
1390 (want_early_inline_function_p): Ditto.
1391 (edge_badness): Ditto.
1392 (update_edge_key): Ditto.
1393 (flatten_function): Ditto.
1394 (ipa_inline): Ditto.
1395 (inline_always_inline_functions): Ditto.
1396 (early_inline_small_functions): Ditto.
1398 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1400 Backport from mainline
1401 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1403 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1404 Introduce emul_name to select the right linker emulation for
1405 powerpc64-*-freebsd*.
1406 * configure: Regenerate.
1407 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1408 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1409 * config/rs6000/freebsd64.h: New file.
1410 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1412 (rs6000_savres_strategy): Likewise.
1413 (rs6000_savres_routine_name): Likewise.
1414 (rs6000_elf_file_end): Likewise.
1415 * config/rs6000/t-freebsd64: New file.
1416 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1417 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1419 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1421 Backport from mainline
1422 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1425 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1427 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1429 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1430 predicate to discriminate types.
1432 2012-04-27 Richard Guenther <rguenther@suse.de>
1435 * convert.c (convert_to_integer): Avoid infinite recursion for
1436 target-defined built-in types.
1438 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1441 * config/cris/cris.md ("*andhi_lowpart_v32")
1442 ("*andqi_lowpart_v32"): Change first input-only operand from
1443 a (match_operand ...) to (match_dup 0). Drop alternatives with
1444 const_int-matching constraints for redundancy.
1445 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1446 three-operand alternative.
1448 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1450 Backport from mainline
1451 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1453 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1454 (*addsi_2_zext): Ditto.
1455 (*add<mode>_3): Ditto.
1456 (*addsi_3_zext): Ditto.
1457 (*add<mode>_5): Ditto.
1459 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1462 * c-typeck.c (set_nonincremental_init,
1463 set_nonincremental_init_from_string): Pass true instead of false
1464 as IMPLICIT to add_pending_init.
1466 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1468 Backport from 2012-04-24 mainline r186768.
1471 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1473 2012-04-24 Richard Guenther <rguenther@suse.de>
1475 PR tree-optimization/53085
1476 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1479 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1482 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1484 (output_addressed_constants): Likewise.
1487 * varasm.c (get_section): Don't ICE for section conflicts with
1488 built-in section kinds.
1490 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1492 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1494 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1496 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1498 2012-04-23 Richard Guenther <rguenther@suse.de>
1501 * c-typeck.c (build_binary_op): Fix typo.
1503 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1505 PR tree-optimizations/52891
1506 * tree-vect-patterns.c (adjust_bool_pattern): Use
1507 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1508 but with non-standard precision.
1510 2012-04-22 Ian Lance Taylor <iant@google.com>
1512 * godump.c (go_output_typedef): Dump size of structs.
1514 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1516 Backport from mainline:
1518 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1519 hints for 'A' operand types.
1521 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1523 Backport from 2012-04-19 mainline r186588.
1526 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1527 the case *(X+const).
1529 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1531 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1533 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1536 * config/i386/sync.md (atomic_<code><mode>): Rename to
1537 atomic_<logic><mode>.
1539 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1541 Backport from mainline
1542 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1545 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1546 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1547 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1548 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1549 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1550 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1551 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1552 gen_avx2_permvarv8sf.
1554 2012-04-16 Martin Jambor <mjambor@suse.cz>
1556 Backported from mainline
1558 2012-04-13 Martin Jambor <mjambor@suse.cz>
1561 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1562 fold_ctor_reference returns a zero constant.
1564 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1566 Backported from mainline
1567 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1569 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1570 and __ILP32__ for x32.
1572 2012-04-13 Tom de Vries <tom@codesourcery.com>
1574 Backport from mainline r186418.
1576 2012-04-13 Tom de Vries <tom@codesourcery.com>
1578 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1579 parameters vuse and vuse_escaped.
1580 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1581 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1584 2012-04-13 Richard Guenther <rguenther@suse.de>
1586 PR tree-optimization/52969
1587 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1588 the condition for the COND_EXPR and handle predicate negation
1589 by swapping the COND_EXPR arms.
1591 2012-04-13 Richard Guenther <rguenther@suse.de>
1594 * convert.c (convert_to_pointer): Remove special-casing of
1597 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1599 Backport from mainline
1600 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1603 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1604 the list of options to enable the FCFID instruction.
1605 (TARGET_EXTRA_BUILTINS): Adjust comment.
1607 2012-04-12 Richard Guenther <rguenther@suse.de>
1609 PR tree-optimization/52943
1610 * tree-chrec.h (chrec_is_positive): Remove.
1611 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1612 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1613 Return false for a constant zero instead of negative.
1614 (analyze_siv_subscript_cst_affine): Handle zero difference
1615 in the initial condition explicitely.
1617 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1620 * varasm.c (process_pending_assemble_externals): Set
1621 pending_assemble_externals_processed true.
1622 (assemble_external): Call assemble_external_real if the pending
1623 assemble externals have been processed.
1625 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1628 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1629 the DECL generated for the special GOT helper.
1631 2012-04-06 Walter Lee <walt@tilera.com>
1633 Backport from mainline
1634 2012-03-07 Walter Lee <walt@tilera.com>
1636 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1637 REG_CFA_* notes for the stack pointer.
1638 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1639 EH_RETURN_STACKADJ_RTX.
1640 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1641 generate REG_CFA_* notes for the stack pointer.
1642 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1643 by EH_RETURN_STACKADJ_RTX.
1645 2012-04-06 Matt Turner <mattst88@gmail.com>
1647 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1649 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1651 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1652 of the destination isn't also a FP_REGS register.
1654 2012-04-03 Richard Guenther <rguenther@suse.de>
1656 Backport from mainline
1657 2012-03-02 Richard Guenther <rguenther@suse.de>
1659 PR tree-optimization/52406
1660 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1661 (struct indices): Add unconstrained_base member.
1662 (struct dr_alias): Remove unused vops member.
1663 (DR_UNCONSTRAINED_BASE): New define.
1664 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1665 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1666 be an artificial access that covers the whole indexed object,
1667 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1668 plain decl base-objects to their MEM_REF variant.
1669 (dr_may_alias_p): When the base-object of either data reference
1670 has unknown size use only points-to information.
1671 (compute_affine_dependence): Make dumps easier to read and
1673 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1674 DR_REF when looking for packed references.
1675 (vect_supportable_dr_alignment): Likewise.
1677 2012-04-03 Richard Guenther <rguenther@suse.de>
1679 Backport from mainline
1680 2012-03-15 Richard Guenther <rguenther@suse.de>
1683 * tree-data-ref.c (subscript_dependence_tester_1): Check
1684 all dimensions for non-conflicting access functions.
1686 2012-04-03 Richard Guenther <rguenther@suse.de>
1688 Backport from mainline
1689 2012-03-06 Richard Guenther <rguenther@suse.de>
1692 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1694 2012-03-23 Richard Guenther <rguenther@suse.de>
1696 PR tree-optimization/52678
1697 * tree-vectorizer.h (struct _stmt_vec_info): Add
1698 loop_phi_evolution_part member.
1699 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1700 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1701 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1702 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1703 Use the cached evolution part and the PHI nodes value from
1704 the loop preheader edge instead of re-analyzing the evolution.
1706 2012-03-26 Richard Guenther <rguenther@suse.de>
1708 PR tree-optimization/52701
1709 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1710 compute and set the evolution part of PHI nodes.
1712 2012-03-30 Richard Guenther <rguenther@suse.de>
1714 PR tree-optimization/52754
1715 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1716 propagate arbitrary addresses into really plain dereferences.
1718 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1720 PR tree-optimization/52835
1721 * tree-data-ref.c (build_rdg): Return NULL if
1722 compute_data_dependences_for_loop failed.
1724 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1726 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1727 (stmt_can_make_abnormal_goto): Use it.
1728 (is_ctrl_altering_stmt): Likewise.
1730 2012-03-31 Martin Jambor <mjambor@suse.cz>
1732 Backported from mainline
1733 2012-03-30 Martin Jambor <mjambor@suse.cz>
1735 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1736 is a builtin_stack_save in a dominating BB.
1738 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1740 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1741 crossing 128bit lane boundary.
1743 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1745 Backported from mainline
1746 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1749 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1751 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1752 * config/i386/i386.c: Include reload.h.
1753 (ix86_legitimize_reload_address): New function.
1755 2012-03-28 Martin Jambor <mjambor@suse.cz>
1757 Backported from mainline
1758 2012-03-27 Martin Jambor <mjambor@suse.cz>
1761 * tree-sra.c (sra_modify_assign): Do not call
1762 load_assign_lhs_subreplacements when working with an unscalarizable
1765 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1768 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1769 __builtin_va_start to __builtin_next_arg if the latter is
1770 builtin_decl_explicit_p rather than when it is not.
1773 * tree-vect-generic.c (vector_element): Perform multiplication
1774 for pos in bitsizetype type instead of idx type.
1776 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1778 Backport from 2012-03-28 mainline r185910.
1781 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1782 (avr_builtin_decl): New static function.
1783 (struct avr_builtin_description, avr_bdesc): Move up.
1784 Add GTY marker. Add field fndecl. Remove redundant field id.
1785 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1786 (avr_expand_builtin): Code cleanup because .id is removed.
1788 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1791 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1794 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1796 Backport from 2012-03-28 mainline r185907.
1799 * config.gcc (tm_file): Remove avr/multilib.h.
1801 * doc/invoke.texi (AVR Options): Adjust
1802 documentation of -mtiny-stack.
1804 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1805 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1806 * config/avr/t-avr: Remove generation of multilib.h.
1807 * config/avr/t-multilib: Regenerate.
1808 * config/avr/multilib.h: Remove.
1809 * config/avr/avr.opt (-msp8): New option.
1810 (avr_sp8): New variable.
1811 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1812 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1813 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1814 (avr_device_to_sp8): New prototype.
1815 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1816 (DRIVER_SELF_SPECS): New define.
1817 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1818 __AVR_SP8__, __AVR_HAVE_SPH__.
1819 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1820 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1821 (avr_file_start): Ditto.
1823 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1826 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1827 instead of 8 in adjust_address.
1829 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1831 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1832 of a unit before computing the offset in units.
1834 2012-03-27 Richard Guenther <rguenther@suse.de>
1837 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1840 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1843 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1845 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1848 * varasm.c: Include pointer-set.h.
1849 (pending_assemble_externals_set): New pointer set.
1850 (process_pending_assemble_externals): Destroy the pointer set.
1851 (assemble_external): See if decl is in pending_assemble_externals_set,
1852 and add it to pending_assemble_externals if necessary.
1853 (init_varasm_once): Allocate pending_assemble_externals_set.
1855 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1857 Backported from mainline
1858 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1861 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1862 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1863 (vector_ltgt<mode>): Likewise.
1864 (vector_ordered<mode>): Likewise.
1865 (vector_unordered<mode>): Likewise.
1866 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1868 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1870 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1873 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1875 Backported from mainline
1876 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1880 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1881 GENERAL_REGS and FP_REGS for SImode.
1883 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1886 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1887 on any new_local_var_chain vars declared during recursing on
1888 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1890 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1892 Backport from 2012-03-22 mainline r185692.
1895 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1896 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1897 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1898 (delay_cycles_1, delay_cycles_2): Ditto.
1899 (delay_cycles_3, delay_cycles_4): Ditto.
1900 (nopv, *nopv): Ditto.
1901 (sleep, *sleep): Ditto.
1904 Backport from 2012-03-21 mainline r185605.
1906 PR rtl-optimization/52543
1908 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1909 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1910 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1911 (avr_load_libgcc_p): Restrict to __flash loads.
1912 (avr_out_lpm): Only handle 1-byte loads from __flash.
1913 (avr_load_lpm): New function.
1914 (avr_find_unused_d_reg): Remove.
1915 (avr_out_lpm_no_lpmx): Remove.
1916 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1917 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1918 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1919 (load_<mode>, load_<mode>_clobber): New insns.
1920 (mov<mode>): For multi-byte move from non-generic
1921 16-bit address spaces: Expand to load_<mode> resp.
1922 load_<mode>_clobber.
1923 (load<mode>_libgcc): Remove expander.
1924 (split-lpmx): Remove split.
1926 Backport from 2012-03-13 mainline r185329.
1929 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1930 offset (size) to a value the insns can deal with.
1931 (expand_epilogue): Ditto.
1933 Backport from 2012-03-12 mainline r185256.
1936 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1937 type from reg_class_t to enum reg_class.
1938 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1940 Backport from 2012-03-12 mainline r185253.
1943 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1944 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1945 r184615 from 2012-02-28.
1947 Backport from 2012-03-08 mainline r185105.
1949 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1950 for constants in [-63,63].
1952 Backport from 2012-03-08 mainline r185100.
1955 * config/avr/avr.c (avr_mem_clobber): New static function.
1956 (avr_expand_delay_cycles): Add memory clobber operand to
1957 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1958 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1959 (enable_interrupt, disable_interrupt): New expander.
1960 (nopv, sleep, wdr): New expanders.
1961 (delay_cycles_1): Add memory clobber.
1962 (delay_cycles_2): Add memory clobber.
1963 (delay_cycles_3): Add memory clobber.
1964 (delay_cycles_4): Add memory clobber.
1965 (cli_sei): New insn from former "enable_interrupt",
1966 "disable_interrupt" with memory clobber.
1967 (*wdt): New insn from former "wdt" with memory clobber.
1968 (*nopv): Similar, but for "nopv".
1969 (*sleep): Similar, but for "sleep".
1971 Backport from 2012-03-07 mainline r185043.
1974 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1976 Backport from 2012-03-07 mainline r185032.
1979 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1980 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1981 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1983 Backport from 2012-03-07 mainline r185031.
1986 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1988 * config/avr/avr.md (xload_8): Adjust insn length.
1990 Backport from 2012-03-07 mainline r185030.
1993 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1994 if RAMPZ affects reading from RAM.
1996 Backport from 2012-03-05 mainline r184919.
1998 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2000 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2002 Backport from mainline r185259.
2005 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2006 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2008 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2010 Backported from mainline
2011 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2014 * c-parser.c (c_parser_postfix_expression)
2015 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2017 * config/i386/smmintrin.h: Avoid /* within a comment.
2018 * config/i386/nmmintrin.h: Likewise.
2020 2012-03-22 Richard Guenther <rguenther@suse.de>
2022 * BASE-VER: Set to 4.7.1.
2023 * DEV-PHASE: Set to prerelease.
2025 2012-03-22 Release Manager
2027 * GCC 4.7.0 released.
2029 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2031 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2033 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2034 Andrew Pinski <apinski@cavium.com>
2037 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2038 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2039 calls instead of __builtin_ir{int,ound}*.
2041 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2044 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2047 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2049 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2050 Refer to GCC 4.7 version of c99status.html.
2052 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2054 Backport from mainline
2055 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2057 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2058 redefine to be NULL if the current bit-size is different from the
2059 configured bit-size.
2061 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2062 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2063 set the default tuning. Add asserts to make sure the cpu and tune
2064 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2065 test whether the index is set, instead of > 0.
2066 (rs6000_file_start): Do not reset the default cpu if the current
2067 bit-size is different from the configured bit-size.
2069 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2071 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2073 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2074 Update binutils references.
2075 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2076 Update binutils reference.
2077 Update Sun as/GNU ld caveat.
2078 Document binutils largefile requirement for LTO plugin.
2079 Remove reference to alternate libpthread.
2081 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2083 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2085 (Specific, mips-sgi-irix6): Likewise.
2087 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2089 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2090 * configure: Regenerate.
2092 2012-03-07 Richard Henderson <rth@redhat.com>
2094 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2095 * config/m68k/sync.md (atomic_test_and_set): Use it.
2096 (atomic_test_and_set_1): Likewise.
2098 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2101 * Makefile.in: Let install-gcc-ar depend on installdirs,
2102 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2103 Don't double canonicalize if cross-compiling.
2105 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2107 * trans-mem.c: New typedef for tm_region_p.
2108 Define vector types for tm_region_p.
2109 (tm_region_init): Replace region_worklist to a vector called
2112 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2115 * trans-mem.c (tm_region_init): Use last_basic_block.
2117 2012-03-05 Richard Henderson <rth@redhat.com>
2120 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2121 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2122 BIGGEST_ALIGNMENT is aligned.
2124 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2126 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2128 2012-03-05 Richard Henderson <rth@redhat.com>
2131 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2132 instead of calling negqi2 directly.
2134 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2136 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2137 (INTMAX_TYPE): Use it.
2138 (UINTMAX_TYPE): Likewise.
2139 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2140 (irix6_c_common_override_options): Declare.
2141 (C_COMMON_OVERRIDE_OPTIONS): Define.
2142 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2143 * config/mips/irix6-c.c: New file.
2144 * config/mips/t-irix6 (irix6-c.o): New target.
2145 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2148 2012-03-02 Richard Henderson <rth@redhat.com>
2150 * optabs.c (expand_atomic_test_and_set): Honor
2151 atomic_test_and_set_trueval even when atomic_test_and_set
2152 optab is not in use.
2154 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2156 Backport from mainline
2157 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2159 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2161 2012-03-02 Richard Guenther <rguenther@suse.de>
2163 * DEV-PHASE: Set to prerelease.
2165 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2167 * config.gcc (obsolete): Add all ARM targets using the FPA.
2168 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2169 * doc/install.texi: Avoid references to obsolete ARM ports.
2171 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2173 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2175 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2176 Joern Rennecke <joern.rennecke@embecosm.com>
2178 * doc/extend.texi: Expand and update information on interrupt
2179 attribute for Epiphany.
2181 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2183 * config/sh/sh-protos.h: Update copyright notice dates.
2184 * config/sh/sh.h: Likewise.
2185 * config/sh/sh.md: Likewise.
2186 * config/sh/constraints.md: Likewise.
2187 * config/sh/predicates.md: Likewise.
2189 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2191 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2192 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2194 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2196 * config/sh/constraints.md: Fix comment typo.
2198 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2201 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2202 unsigned HOST_WIDE_INT.
2203 (zvdep_imm64): Likewise.
2204 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2205 (vdepi_and): Likewise.
2206 Likewise for unamed 64-bit patterns.
2207 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2209 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2212 PR rtl-optimization/52417
2213 * cselib.c (cselib_any_perm_equivs): New variable.
2214 (cselib_reset_table): Check that it's not set when not
2215 preserving constants.
2216 (cselib_add_permanent_equiv): Set it.
2217 (cselib_have_permanent_equivalences): New.
2218 (cselib_init, cselib_finish): Reset it.
2219 * cselib.h (cselib_have_permanent_equivalences): Declare.
2220 * alias.c (get_addr): Restore earlier behavior when there
2221 aren't permanent equivalences.
2223 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2225 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2226 * config/v850/v850-modes.def: Fix copyright notice.
2228 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2230 * doc/extend.texi (AVR Built-in Functions): Document
2231 __builtin_avr_flash_segment.
2233 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2234 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2235 (*split.flash_segment): New insn-and-split.
2236 * config/avr/avr.c (avr_init_builtins): Add local variables:
2237 const_memx_void_node, const_memx_ptr_type_node,
2238 char_ftype_const_memx_ptr.
2240 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2242 PR tree-optimization/52445
2243 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2244 add ssa_name_ver, offset and size fields and change store field
2246 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2247 (add_or_mark_expr): Likewise. Only consider previous stores
2248 with the same size and offset.
2249 (nt_init_block): Only look at gimple_assign_single_p stmts,
2250 doesn't look at rhs2.
2252 2012-03-01 Richard Guenther <rguenther@suse.de>
2255 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2256 conversions from integral types to pointer types.
2258 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2260 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2261 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2262 unintentionally removed in r184616.
2264 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2266 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2269 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2270 Uros Bizjak <ubizjak@gmail.com>
2273 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2274 alternatives, add "e" constraint to the new last alternative
2275 and ! to last 3 alternatives.
2277 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2279 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2280 DW_AT_artificial attributes at the end of the processing.
2281 (gen_array_type_die): Likewise.
2282 (gen_enumeration_type_die): Likewise.
2283 (gen_struct_or_union_type_die): Likewise.
2284 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2287 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2290 * expr.c (expand_assignment): If doing misaligned store that doesn't
2291 cover all mode bits, perform a RMW cycle.
2293 PR tree-optimization/52429
2294 * tree-parloops.c (separate_decls_in_region_debug): Return early
2295 if var is LABEL_DECL.
2297 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2299 PR tree-optimization/52424
2300 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2301 calling dom_thread_across_edge.
2303 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2305 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2307 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2309 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2310 * config/avr/avr.c (avr_output_bld): Remove unused function.
2311 (avr_out_sbxx_branch): Use "%T" to print bit position.
2313 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2315 * config/avr/avr.md: Untabify.
2317 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2319 * config/avr/avr.md (eqne): New code iterator.
2320 (*dec-and-branchsi): Use it in text peephole's condition.
2321 (*dec-and-branchhi): Ditto.
2322 (*dec-and-branchqi): Ditto.
2324 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2327 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2328 the device does not have the skip-bug.
2330 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2332 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2333 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2334 -mpretend-cmove): New.
2336 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2339 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2340 doesn't count DEBUG_INSN refs.
2341 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2342 for DEBUG_INSN refs.
2344 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2348 2012-02-20 Richard Guenther <rguenther@suse.de>
2349 PR tree-optimization/52298
2350 * tree-vect-stmts.c (vectorizable_load): Properly use
2351 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2354 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2357 * gimple.h (gimple_in_transaction): New.
2358 (gimple_set_in_transaction): New.
2359 (struct gimple_statement_base): Add in_transaction field.
2360 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2362 (tree_ssa_lim_initialize): Compute transaction bits.
2363 * tree.h (compute_transaction_bits): Protoize.
2364 * trans-mem.c (tm_region_init): Use the heap to store BB
2366 (compute_transaction_bits): New.
2368 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2370 * gcc.c (display_help): Document --help=common and sort entries
2373 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2375 * doc/install.texi: Document check-$LANG specific shortcuts
2377 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2380 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2382 * config/arm/arm_neon.h: Regenerate.
2383 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2384 (neon_vcgeu): New insn.
2385 (neon_vcgtu): Likewise.
2386 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2387 (ops): Unsigned comparison intrinsics call a different
2390 2012-02-28 Richard Guenther <rguenther@suse.de>
2393 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2394 ordering for the VEC_CONCAT for two element vectors for
2395 V2SFmode, V2SImode and V2DImode.
2397 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2400 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2401 detecting big-endian triplets.
2403 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2405 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2406 mode if there is no type information available.
2408 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2410 PR tree-optimization/53207
2411 * doc/invoke.texi: Document as experimental and relying on graphite.
2413 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2415 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2416 of initializer to changes from r184614.
2418 2012-02-28 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/52395
2421 * tree-sra.c (build_ref_for_offset): Also look at the base
2422 TYPE_ALIGN when figuring out the alignment of the replacement.
2424 2012-02-28 Richard Guenther <rguenther@suse.de>
2426 PR tree-optimization/52402
2427 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2428 mis-aligned types when creating the accesses at the call site.
2430 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2432 * config/avr/builtins.def: New file.
2433 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2434 * config/avr/avr.c (enum avr_builtin_id): Use it.
2435 (avr_init_builtins): Use it. And use avr_bdesc.
2436 (bdesc_1arg): Remove.
2437 (bdesc_2arg): Remove.
2438 (bdesc_3arg): Remove.
2439 (struct avr_builtin_description): Add field n_args.
2440 (avr_bdesc): New static variable using builtins.def.
2441 (avr_expand_builtin): Use it.
2442 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2443 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2444 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2446 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2449 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2450 match only one single hard register with respective hard reg rtx.
2451 (movmemx_<mode>): Ditto.
2452 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2453 insn anatomy of movmem[x]_<mode>.
2454 (avr_out_movmem): Same for printing assembler and operand usage.
2456 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2460 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2461 address spaces located outside of device flash.
2463 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2464 (mcu_type_s): Add field n_flash.
2465 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2466 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2467 (AVR_MCU): Add N_FLASH argument.
2468 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2469 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2470 macro __FLASH<n> if that address space makes sense for the device.
2471 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2472 outside of target flash.
2473 (avr_asm_named_section): Ditto.
2474 (avr_asm_select_section): Ditto.
2475 (avr_addr_space_convert): Ditto.
2476 (avr_emit_movmemhi): Ditto.
2477 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2478 address space is outside of device flash.
2479 (avr_insert_attributes): Ditto.
2480 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2481 avr_current_arch->n_segments.
2483 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2486 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2488 (*movabs<mode>_2): Likewise.
2490 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2493 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2494 s_register_operand in the test instead of REG_P. Don't call
2495 gen_reg_rtx if it won't be used.
2497 PR tree-optimization/52376
2498 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2500 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2502 * ifcvt.c (noce_get_condition): Check condition variable is not
2503 small_register_classes_for_mode_p before accepting.
2505 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2507 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2509 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2512 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2513 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2515 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2517 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2519 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2521 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2523 * config/sh/predicates.md: Remove blank lines.
2524 * config/sh/sh.c: Fix typos in comments.
2525 * config/sh/constraints.md: Likewise.
2526 * config/sh/sh.md: Remove blank lines.
2527 Fix typos in comments. Use ;; as comment characters.
2529 2012-02-26 Walter Lee <walt@tilera.com>
2531 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2532 (replace_mov_pcrel_step2): Ditto.
2534 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2537 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2538 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2539 and locs that reference values newer than the non-canonical value
2540 at hand. Return the canonical value as a worst case.
2541 (memrefs_conflict_p): Walk canonical value's locs.
2544 * cselib.c (preserve_only_constants): Rename to...
2545 (preserve_constants_and_equivs): ... this. Split out...
2546 (invariant_or_equiv_p): ... this. Preserve plus expressions
2547 of other preserved expressions too.
2548 (cselib_reset_table): Adjust.
2549 * var-tracking.c (reverse_op): Use canonical value to build
2552 2012-02-23 Kai Tietz <ktietz@redhat.com>
2554 * config/i386/i386.c (ix86_delegitimize_address): Handle
2555 UNSPEC_PCREL plus displacement.
2557 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2560 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2561 to test for unusedness in st X addressing.
2563 2012-02-24 Richard Guenther <rguenther@suse.de>
2566 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2567 (is_gimple_reg_type): Move inline ...
2568 * gimple.h (is_gimple_reg_type): ... here.
2570 2012-02-24 Richard Guenther <rguenther@suse.de>
2573 * passes.c (execute_function_todo): When verifying SSA form
2574 verify gimple form first.
2575 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2577 2012-02-24 Richard Guenther <rguenther@suse.de>
2580 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2581 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2583 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2585 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2587 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2589 * tree-phinodes.c (make_phi_node): Mark static.
2590 * tree-flow.h (make_phi_node): Remove extern decl.
2591 * doc/gimple.texi (make_phi_node): Remove documentation.
2593 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2595 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2596 * tree-ssa-sccvn.c (print_scc): Ditto.
2598 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2600 * doc/passes.texi (Full redundancy elimination): Fix typo.
2602 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2604 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2606 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2609 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2611 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2614 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2616 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2618 * config/avr/avr.md (code_stdname): Add ior, xor.
2619 (xior): New code iterator.
2620 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2621 (*<code_stdname><mode>qi.byte1-3): Ditto.
2623 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2625 PR tree-optimization/52019
2626 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2629 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2631 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2632 HAVE_INITFINI_ARRAY to work around namespace pollution in
2633 certain versions of newlib system headers.
2634 * config.in: Regenerate.
2635 * configure: Regenerate.
2636 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2637 instead of HAVE_INITFINI_ARRAY.
2639 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2642 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2643 is not offsettable memory reference.
2645 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2648 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2649 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2651 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2653 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2654 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2656 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2658 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2659 library on Solaris 8 even without TLS support.
2660 * configure: Regenerate.
2662 2012-02-22 Richard Guenther <rguenther@suse.de>
2665 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2666 for GIMPLE_DEBUG stmts.
2668 2012-02-22 Martin Jambor <mjambor@suse.cz>
2671 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2672 according to the base object.
2674 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2676 PR rtl-optimization/50063
2677 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2678 and 2 (8-bit SP) in operand 2.
2679 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2680 setup to use movhi_sp_r instead of vanilla move to write SP.
2681 Adjust REG_CFA notes to superseed unspec.
2682 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2684 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2685 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2686 irq_state 1 (IRQ known to be on) here.
2688 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2690 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2692 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2693 assign_hard_reg): Likewise.
2695 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2697 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2699 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2702 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2703 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2705 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2707 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2708 prototype from here to...
2709 * config/avr/avr.h: ...here.
2711 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2714 * thumb2.md (thumb2_shiftsi3_short): Split register and
2715 immediate shifts. For register shifts tie operands 0 and 1.
2716 (peephole2 for above): Check that register-controlled shifts
2717 have suitably tied operands.
2719 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2722 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2723 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2724 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2725 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2726 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2727 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2728 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2729 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2730 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2731 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2732 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2733 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2734 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2735 bdver1_ssevector_avx256_unaligned_load,
2736 bdver1_ssevector_sse128_unaligned_load,
2737 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2738 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2739 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2740 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2741 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2742 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2743 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2744 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2745 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2746 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2747 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2748 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2749 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2750 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2751 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2752 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2753 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2754 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2755 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2756 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2757 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2758 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2759 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2760 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2761 bdver1_ssediv_double_load, bdver1_ssediv_double,
2762 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2763 Add "bdver2" attribute.
2765 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2767 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2768 default if possible and not specified otherwise.
2770 2012-02-21 Richard Guenther <rguenther@suse.de>
2773 * gimplify.c (create_tmp_from_val): Use the main variant type
2774 for the type of the temporary we create.
2776 2012-02-21 Richard Guenther <rguenther@suse.de>
2778 PR tree-optimization/52324
2779 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2780 do not gimplify a MEM_REF address operand if it is already
2783 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2785 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2786 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2788 2012-02-21 Richard Guenther <rguenther@suse.de>
2790 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2791 nested_in_vect_loop.
2793 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2795 PR tree-optimization/52318
2796 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2797 vdef also to non-pure/const call stmts in the sequence.
2799 2012-02-20 David S. Miller <davem@davemloft.net>
2801 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2802 don't use the "rd %pc" instruction on v9 for PIC register loads.
2804 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2807 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2808 in a transaction safe function.
2810 2012-02-20 Kai Tietz <ktietz@redhat.com>
2813 * stor-layout.c (place_field): Handle desired_align for
2816 2012-02-20 Richard Guenther <rguenther@suse.de>
2818 PR tree-optimization/52298
2819 * tree-vect-stmts.c (vectorizable_store): Properly use
2820 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2822 (vectorizable_load): Likewise.
2823 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2824 Access DR_STEP after ensuring it is not NULL.
2826 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2828 PR tree-optimization/52286
2829 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2830 optimization use double_int_to_tree instead of build_int_cst_wide,
2831 rewrite to use double_int vars.
2833 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2836 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2838 Remove -e 0 from $gcc_cv_ld invocation.
2839 Only use __GLIBC_PREREQ if defined.
2840 Enable on Solaris since Solaris 8 patch.
2841 (gcc_SUN_LD_VERSION): New macro.
2842 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2843 gcc_SUN_LD_VERSION for version number format.
2844 * configure: Regenerate.
2845 * varasm.c (get_elf_initfini_array_priority_section): Set
2846 SECTION_NOTYPE for non-default priority.
2847 Use get_section instead of get_unnamed_section to emit
2848 .init_array/.fini_array with default priority.
2850 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2852 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2853 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2854 (mips_start_unique_function, mips_output_mips16_rdhwr)
2855 (mips_code_end): New functions.
2856 (TARGET_ASM_CODE_END): Define.
2858 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2860 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2861 to stubs with non-sibling calls.
2863 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2865 * doc/invoke.texi (-fira-* options): Copy-edit.
2866 (ira-* parameters): Copy-edit.
2868 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2870 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2871 GCC coding conventions.
2873 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2875 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2876 when used as adjectives.
2878 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2880 * doc/invoke.texi: Clean up "that"/"which" confusion.
2882 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2884 * system.h: Poison SMALL_REGISTER_CLASSES
2885 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2886 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2888 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2890 PR tree-optimization/52285
2891 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2892 when deciding if a call is a tail call or tail recursion.
2894 2012-02-16 Kai Tietz <ktietz@redhat.com>
2896 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2897 interger-constant displacement for UNSPEC_PCREL.
2899 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2901 PR rtl-optimization/52208
2902 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2903 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2905 PR tree-optimization/52255
2906 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2907 loop->header has virtual PHI, but exit_e->dest doesn't, add
2908 virtual PHI to exit_e->dest and adjust all uses after the loop.
2911 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2912 children with clone_tree_hash, not after it.
2914 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2916 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2917 extended identifiers.
2919 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2922 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2923 a same_body_alias, also test whether e->callee isn't a former
2924 or current clone of the decl this is a same body alias of.
2926 PR translation/52264
2927 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2929 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2931 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2933 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2936 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2937 force_reg instead of copy_to_reg for better optimization. Force
2938 non-register or memory operands into a register.
2940 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2942 * extend.texi: Reserve upper bits of memory model for future use.
2944 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2945 Anatoly Sokolov <aesok@post.ru>
2946 Eric Weddington <eric.weddington@atmel.com>
2949 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2950 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2951 Rewrite initializers for .macro.
2952 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2953 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2954 atxmega32d4, atxmega32x1.
2955 avrxmega4: atxmega64a3, atxmega64d3.
2956 avrxmega5: atxmega64a1, atxmega64a1u.
2957 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2958 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2959 avrxmega7: atxmega128a1, atxmega128a1u.
2960 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2961 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2962 (struct base_arch_s): Rename reserved to xmega_p.
2963 Rename reserved2 to have_rampd.
2964 (AVR_XMEGA): New define.
2965 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2966 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2967 * config/avr/predicates.md (io_address_operand): Take into
2969 (low_io_address_operand): Ditto.
2970 (high_io_address_operand): Ditto.
2971 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2972 (enabled, movhi_sp_r): Use them.
2973 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2974 cpp_define_formatted to built-in define __AVR_ARCH__.
2975 (__AVR_XMEGA__): New built-in define.
2976 (__AVR_HAVE_RAMPD__): New built-in define.
2977 (__AVR_HAVE_RAMPX__): New built-in define.
2978 (__AVR_HAVE_RAMPY__): New built-in define.
2979 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2981 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2982 (avr_option_override): Initialize them.
2983 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2984 (avr_init_expanders): Initialize them. No more block several calls.
2985 (emit_push_sfr): New static function.
2986 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2988 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2989 (avr_print_operand): Print addreeses as symbols for
2990 RAMPX, RAMPY, RAMPD, CCP.
2991 (output_movhi): Handle AVR_XMEGA when writing to SP.
2992 (avr_out_movhi_mr_r_xmega): New static function.
2993 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2994 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2995 __RAMPD__, __CCP__ as needed.
2997 * config/avr/multilib.h: Regenerate.
2998 * config/avr/t-multilib: Regenerate.
2999 * config/avr/avr-tables.opt: Regenerate.
3001 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3003 PR tree-optimization/50561
3004 * graphite-flattening.c (lst_project_loop): Do not
3005 remove old scattering dimensions after flattening.
3006 (lst_do_flatten): Likewise.
3008 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3010 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3011 __builtin_avr_map8, __builtin_avr_map16.
3012 Document __builtin_avr_insert_bits.
3014 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3015 (insert_bits): New insn.
3016 (adjust_len.map_bits): Rename to insert_bits.
3017 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3018 * avr-protos.h (avr_out_map_bits): Remove.
3019 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3020 * config/avr/constraints.md (Cxf,C0f): New.
3021 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3022 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3023 New built-in define __BUILTIN_AVR_INSERT_BITS.
3024 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3025 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3026 (avr_move_bits): Rewrite.
3027 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3029 (avr_map_op_t): New typedef.
3030 (avr_map_op): New static variable.
3031 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3032 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3033 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3034 (bdesc_3arg, avr_expand_triop_builtin): New.
3035 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3036 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3037 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3038 (avr_map_equal_p, avr_map_sig_p): Remove.
3039 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3040 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3041 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3042 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3043 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3044 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3046 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3048 * config/c6x/c6x.md (reserve_cycles): New attribute.
3049 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3050 don't reserve functional units after the branch occurs.
3052 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3055 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3056 functions into non-tm_pure functions.
3058 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3061 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3062 (iterative_hash_canonical_type): Likewise.
3063 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3066 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3068 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3069 sched-group insn, it either remains alone or the entire list is pruned.
3071 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3073 * doc/install.texi (Prerequisites): Fix grammar.
3074 (Configuration): Likewise.
3076 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3078 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3079 MPC as part of GCC before describing configuring with --with-gmp etc.
3080 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3081 sources are present.
3083 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3086 * dwarf2out.c (clone_tree_hash): New function.
3087 (copy_decls_walk): Use it instead of clone_tree.
3089 2012-02-14 Richard Guenther <rguenther@suse.de>
3091 PR tree-optimization/52244
3092 PR tree-optimization/51528
3093 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3094 replacements for integral types.
3096 2012-02-14 Walter Lee <walt@tilera.com>
3098 * config.gcc: Handle tilegx and tilepro.
3099 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3101 Add HAVE_AS_TLS check for tilegx and tilepro.
3102 * configure: Regenerate.
3103 * doc/contrib.texi: Add Mat Hostetter and self.
3104 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3105 Document instruction intrinsics and network accessing intrinsics.
3106 (TILEPro Built-in Functions): New node. Document instruction
3107 intrinsics and network accessing intrinsics.
3108 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3109 (Specific, tilepro-*-linux*): Likewise.
3110 * doc/invoke.texi (TILE-Gx Options): New section.
3111 (TILEPro Options): New section.
3112 * doc/md.texi (TILE-Gx): New section.
3113 (TILEPro): New section.
3114 * common/config/tilegx/tilegx-common.c: New file.
3115 * common/config/tilepro/tilepro-common.c: New file.
3116 * config/tilegx/constraints.md: New file.
3117 * config/tilegx/linux.h: New file.
3118 * config/tilegx/mul-tables.c: New file.
3119 * config/tilegx/predicates.md: New file.
3120 * config/tilegx/sync.md: New file.
3121 * config/tilegx/t-tilegx: New file.
3122 * config/tilegx/tilegx-builtins.h: New file.
3123 * config/tilegx/tilegx-c.c: New file.
3124 * config/tilegx/tilegx-generic.md: New file.
3125 * config/tilegx/tilegx-modes.def: New file.
3126 * config/tilegx/tilegx-multiply.h: New file.
3127 * config/tilegx/tilegx-protos.h: New file.
3128 * config/tilegx/tilegx.c: New file.
3129 * config/tilegx/tilegx.h: New file.
3130 * config/tilegx/tilegx.md: New file.
3131 * config/tilegx/tilegx.opt: New file.
3132 * config/tilepro/constraints.md: New file.
3133 * config/tilepro/gen-mul-tables.cc: New file.
3134 * config/tilepro/linux.h: New file.
3135 * config/tilepro/mul-tables.c: New file.
3136 * config/tilepro/predicates.md: New file.
3137 * config/tilepro/t-tilepro: New file.
3138 * config/tilepro/tilepro-builtins.h: New file.
3139 * config/tilepro/tilepro-c.c: New file.
3140 * config/tilepro/tilepro-generic.md: New file.
3141 * config/tilepro/tilepro-modes.def: New file.
3142 * config/tilepro/tilepro-multiply.h: New file.
3143 * config/tilepro/tilepro-protos.h: New file.
3144 * config/tilepro/tilepro.c: New file.
3145 * config/tilepro/tilepro.h: New file.
3146 * config/tilepro/tilepro.md: New file.
3147 * config/tilepro/tilepro.opt: New file.
3149 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3151 PR tree-optimization/52210
3152 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3153 vect_model_simple_cost with two entry vect_def_type array instead
3154 of an address of dt.
3156 2012-02-14 Richard Guenther <rguenther@suse.de>
3159 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3160 Do not stream DECL_QUALIFIER.
3161 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3162 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3163 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3165 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3168 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3171 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3174 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3175 * cselib.c (cselib_subst_to_values_from_insn): New function.
3176 * sched-deps.c (add_insn_mem_dependence,
3177 sched_analyze_1, sched_analyze_2): Use it.
3179 2012-02-13 Jan Hubicka <jh@suse.cz>
3182 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3184 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3186 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3187 (GTM_SELF_SPECS): Define if not already defined.
3188 (driver_self_specs): Add GTM_SELF_SPECS.
3189 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3190 (GTM_SELF_SPECS): Define.
3191 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3192 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3194 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3196 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3199 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3202 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3203 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3205 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3208 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3210 2012-02-13 Richard Guenther <rguenther@suse.de>
3212 PR translation/52211
3213 * passes.c (enable_disable_pass): Fix typo.
3215 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3218 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3219 XOR for reduce_bit_field if type is unsigned.
3221 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3223 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3224 disallow changes from SFmode to mode with different size in FP regs.
3226 2012-02-12 Robert Millan <rmh@gnu.org>
3227 Gerald Pfeifer <gerald@pfeifer.com>
3229 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3232 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3234 PR rtl-optimization/52175
3235 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3236 to frame-related instructions.
3238 2012-02-10 Jason Merrill <jason@redhat.com>
3241 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3242 (demangle_new_symbols): Fill it.
3243 (scan_linker_output): Walk it.
3244 (start_tweaking): Split out from scan_linker_output.
3245 (maybe_tweak): Update sym->chosen.
3246 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3248 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3251 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3253 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3255 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3256 having the same mode as previous compare.
3258 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3260 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3261 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3262 (nonlocal_goto_internal): Likewise.
3263 (nonlocal_goto): Emit a use and an indirect jump directly.
3265 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3268 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3269 __atomic_{is,always}_lock_free.
3271 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3274 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3275 negative constant address for x32.
3277 2012-02-10 Richard Henderson <rth@redhat.com>
3279 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3280 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3281 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3283 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3284 Ira Rosen <irar@il.ibm.com>
3286 PR tree-optimization/50031
3287 * targhooks.c (default_builtin_vectorization_cost): Handle
3289 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3290 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3291 all types of reduction and pattern statements.
3292 (vect_estimate_min_profitable_iters): Likewise.
3293 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3294 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3295 for explicit realigns.
3296 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3297 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3299 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3300 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3301 vec_perm for VSX and handle vec_promote_demote.
3303 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3306 * builtins.c (fold_builtin_atomic_always_lock_free,
3307 expand_builtin_atomic_always_lock_free,
3308 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3309 Return and/or test boolean_true_node/boolean_false_node instead of
3310 integer_one_node/integer_zero_node.
3312 2012-02-10 Jan Hubicka <jh@suse.cz>
3315 * predict.c (predict_paths_for_bb): Prevent looping.
3316 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3318 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3320 * config/arm/arm.c (output_move_double): In one case properly
3321 count number of instructions that will be emitted.
3323 2012-02-10 Richard Guenther <rguenther@suse.de>
3325 PR translation/52193
3326 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3328 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3331 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3333 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3336 * var-tracking.c (emit_note_insn_var_location): If
3337 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3338 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3339 non-NOTE_DURING_CALL_P insn.
3341 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3344 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3346 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3349 * gcc.c (switch_matches) Support switches with separated form,
3352 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3354 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3356 (RAMPZ_ADDR): Ditto.
3357 * config/avr/avr.c (avr_addr_t): New typedef.
3358 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3359 (avr_init_expanders): Initialize it.
3360 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3362 (expand_epilogue): Ditto.
3363 (avr_print_operand): Ditto.
3364 (avr_file_start): Ditto.
3365 (avr_emit_movmemhi): Ditto.
3367 2012-02-08 Richard Guenther <rguenther@suse.de>
3369 PR tree-optimization/46886
3370 * tree-flow.h (do_while_loop_p): Declare.
3371 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3372 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3374 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3376 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3377 always succeed for integers larger than a native word.
3379 2012-02-08 Richard Guenther <rguenther@suse.de>
3381 PR rtl-optimization/52170
3382 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3383 properly handle integer vector modes.
3385 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3387 PR gcov-profile/52150
3388 * coverage.c: Include target.h.
3389 (build_var): Call targetm.strip_name_encoding on the assembler name.
3390 Change one _ into . or $ if the target allows it.
3391 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3393 PR rtl-optimization/52139
3394 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3395 is a BARRIER after emit_insn_after_noloc, move BB_END
3396 to the last non-BARRIER insn before it.
3398 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3401 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3402 (mips_gimplify_va_arg_expr): Call it instead of
3403 std_gimplify_va_arg_expr.
3405 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3407 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3408 message for -mno-pointers-to-nested-function.
3410 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3413 * expr.c (get_inner_reference): If there is an offset, add a negative
3414 bit position to it (if any).
3416 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3418 PR rtl-optimization/52060
3419 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3420 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3421 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3422 and/or i0src_copy2 when needed.
3424 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3426 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3427 or LTOPLUGINSONAME if have_c.
3429 * config/freebsd-spec.h: Add comment about what macros can be defined
3431 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3432 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3435 2012-02-07 Richard Guenther <rguenther@suse.de>
3437 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3438 newline in -alias dumps.
3440 2012-02-07 Kai Tietz <ktietz@redhat.com>
3441 Dave Korn <dave.korn.cygwin@gmail.com>
3444 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3445 Take care that typinfo gets dllexport-attribute.
3447 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3450 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3451 if modifier < EXPAND_SUM call force_operand on the result.
3453 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3455 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3456 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3458 (epiphany_function_type): Replace types for specific interrupts with
3459 EPIPHANY_FUNCTION_INTERRUPT.
3460 (EPIPHANY_INTERRUPT_P): Update.
3461 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3462 New static function.
3463 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3464 <disinterrupt>: Affects type identity.
3465 (epiphany_handle_interrupt_attribute): Handle variable number of
3467 (epiphany_compute_function_type): Update for new
3468 epiphany_function_type definition.
3469 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3470 handlers with a longcall forwarder.
3471 (epiphany_start_function): Handle multiple interrupt arguments and/or
3472 forwarder_section attribute.
3474 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3477 2012-02-07 Alan Modra <amodra@gmail.com>
3480 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3483 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3485 PR tree-optimization/50969
3486 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3487 use vec_perm rather than vector_stmt.
3488 (vect_model_load_cost): Likewise.
3489 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3490 vec_perm to be the same as other vector statements.
3491 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3492 cost of vec_perm for TARGET_VSX.
3494 2012-02-06 Richard Guenther <rguenther@suse.de>
3496 PR tree-optimization/52115
3497 * tree-sra.c (access_has_replacements_p): New function.
3498 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3500 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3503 * trans-mem.c (expand_call_tm): Add an assertion.
3504 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3507 2012-02-06 Richard Guenther <rguenther@suse.de>
3509 PR tree-optimization/50955
3510 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3511 raise cost of expressions that replace an address with an
3512 expression based on a different pointer.
3514 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3517 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3518 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3520 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3523 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3524 -Weffc++ and specify guidelines come from second edition.
3526 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3528 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3529 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3530 (call_direct_split, call_value_split, call_value_internal_direct)
3531 (call_value_direct_split, call_value_multiple_split): Use jal and
3532 jal_macro attributes.
3534 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3536 * reload1.c (reload_regs_reach_end_p): Replace with...
3537 (reload_reg_rtx_reaches_end_p): ...this function.
3538 (new_spill_reg_store): Update commentary.
3539 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3540 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3541 before setting new_spill_reg_store.
3542 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3543 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3544 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3545 for non-spill reload registers.
3547 2012-02-05 Ira Rosen <irar@il.ibm.com>
3549 PR tree-optimization/52091
3550 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3551 (vect_is_simple_use_1): Likewise.
3552 * tree-vect-loop.c (vectorizable_reduction): Update calls
3553 to vect_is_simple_use_1 and vect_is_simple_use.
3554 (vectorizable_live_operation): Likewise.
3555 * tree-vect-patterns.c (widened_name_p,
3556 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3557 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3558 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3559 vectorizable_shift,vectorizable_operation, vectorizable_store,
3560 vectorizable_load): Likewise.
3561 (vect_is_simple_cond): Add an argument, pass it to
3562 vect_is_simple_use_1.
3563 (vectorizable_condition): Update calls to vect_is_simple_cond,
3565 (vect_is_simple_use): Add an argument, the statement in which
3566 OPERAND is used. Check that if OPERAND's def stmt is a double
3567 reduction phi node, the use is a phi node too.
3568 (vect_is_simple_use_1): Add an argument, pass it to
3570 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3571 to vect_is_simple_use.
3573 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3575 PR rtl-optimization/52095
3576 * modulo-sched.c (dump_insn_locator): New function.
3577 (loop_canon_p, sms_schedule): Use it.
3579 PR rtl-optimization/52113
3580 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3581 even for decomposable shift/zext insns.
3583 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3584 Zdenek Dvorak <ook@ucw.cz>
3586 PR rtl-optimization/52092
3587 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3588 on get_iv_value result.
3590 2012-02-02 Andrew Pinski <apinski@cavium.com>
3594 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3596 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3599 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3601 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3603 PR rtl-optimization/49800
3604 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3605 (sched_finish): Call regstat_free_n_sets_and_refs.
3607 2012-02-02 Jia Liu <proljc@gmail.com>
3609 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3612 2012-02-02 Jan Hubicka <jh@suse.cz>
3613 Tom de Vries <tom@codesourcery.com>
3616 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3617 * varpool.c (varpool_analyze_pending_decls): Likewise.
3619 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3620 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3622 * config.gcc: Add cr16-* support.
3624 * doc/extend.texi: Document cr16 extensions.
3625 * doc/install.texi: Document cr16 install.
3626 * doc/invoke.texi: Document cr16 options.
3627 * doc/md.texi: Document cr16 constraints.
3629 * common/config/cr16/cr16-common.c: New file.
3630 * config/cr16/cr16.c: New file.
3631 * config/cr16/cr16.h: New file.
3632 * config/cr16/cr16.md: New file.
3633 * config/cr16/cr16.opt: New file.
3634 * config/cr16/cr16-protos.h: New file.
3635 * config/cr16/predicates.md: New file.
3636 * config/cr16/constraints.md: New file.
3637 * config/cr16/t-cr16: New file.
3639 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3642 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3643 that operands[2] is either immediate, or q_regs_operand.
3645 PR tree-optimization/52073
3646 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3647 a pattern stmt for pattern uses, ignore uses outside of the loop.
3649 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3651 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3652 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3653 (OUT_AS1, OUT_AS2): Remove.
3655 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3657 PR rtl-optimization/51374
3658 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3659 to cross other volatile_refs_p insns.
3661 2012-02-01 Richard Guenther <rguenther@suse.de>
3663 * doc/invoke.texi (fno-inline): Clarify documentation.
3664 (finline-small-functions): Likewise.
3665 (finline-functions): Likewise.
3666 * common.opt (finline): Adjust comment and documentation.
3667 (finline-small-functions): Clarify documentation.
3668 (finline-functions): Likewise.
3669 (finline-functions-called-once): Likewise.
3671 2012-02-01 Tristan Gingold <gingold@adacore.com>
3673 * c-typeck.c (composite_type): Keep mode for pointers.
3675 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3677 * function.h (regno_reg_rtx): Adjust comment.
3678 * reginfo.c (init_reg_modes_target): Only use the previous mode
3679 if it fits within one register. Remove MIPS comment.
3681 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3684 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3686 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3688 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3689 to srak instruction.
3691 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3693 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3695 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3700 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3702 2012-01-31 Richard Guenther <rguenther@suse.de>
3704 PR tree-optimization/51528
3705 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3708 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3713 * ree.c (add_removable_extension): Change def_map argument
3714 to unsigned *, store in def_map 1 + offset into *insn_list vector
3715 instead of pointers into the vector.
3716 (find_removable_extensions): Adjust caller.
3718 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3720 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3721 Transform all "* quoted-c-code" to { c-code }.
3722 Remove redundant test for "optimize" in combine patterns.
3723 Move (include "avr-dimode.md") to end of file.
3725 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3728 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3729 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3731 2012-01-30 Richard Guenther <rguenther@suse.de>
3733 PR tree-optimization/52028
3734 * tree-loop-distribution.c (ldist_gen): Properly update
3737 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3740 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3741 set_cur_line_info_table if not emitting debug info.
3743 PR tree-optimization/52046
3744 * tree-vect-patterns.c (check_bool_pattern): Give up if
3745 a comparison could throw.
3748 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3750 2012-01-30 Richard Guenther <rguenther@suse.de>
3752 PR tree-optimization/52045
3753 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3754 SSA form if cfgcleanup did anything.
3756 2012-01-30 Richard Guenther <rguenther@suse.de>
3758 PR tree-optimization/52045
3759 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3760 before computing final todo.
3762 2012-01-30 Richard Guenther <rguenther@suse.de>
3764 PR tree-optimization/51528
3765 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3768 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3770 * df-problems.c (df_kill_notes): Check that the use refers
3771 to the note under examination.
3773 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3776 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3777 parameter and use short-lived pseudos.
3778 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3779 (sparc_expand_vector_init): Const-ify local variables and adjust
3780 calls to above functions.
3782 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3784 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3786 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3788 * doc/invoke.texi: Make usage of "compile time" and
3789 "run time"/"runtime" consistent throughout the file.
3791 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3793 * config/alpha/alpha.c (alpha_option_override): Default to
3794 full IEEE compliance mode for Go language.
3796 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3798 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3799 (LINK_SSP_SPEC): Define.
3801 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3804 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3807 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3809 * doc/invoke.texi: Correct hyphenation of "floating point",
3810 "double precision", and related terminology throughout the file.
3812 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3815 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3816 arm_general_register_operand predicate for operand 2 instead of
3819 2012-01-27 Ian Lance Taylor <iant@google.com>
3822 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3823 * builtins.c (expand_builtin_init_trampoline): Add onstack
3824 parameter. Change caller.
3825 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3826 * tree.c (build_common_builtin_nodes): Declare
3827 __builtin_init_heap_trampoline.
3829 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3831 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3832 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3833 * config/avr/avr.c: Ditto.
3834 (avr_regnames): Remove because unused.
3835 * config/avr/avr.md (*cpse.ne): New peephole.
3836 (*cpse.eq): New peephole from former cpse peepholes.
3838 2012-01-27 Michael Eager <eager@eagercon.com>
3840 * config/microblaze.c (microblaze_emit_compare): Correct
3841 test after pcmp instruction.
3843 2012-01-27 Richard Guenther <rguenther@suse.de>
3845 PR tree-optimization/52020
3846 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3848 2012-01-27 Richard Guenther <rguenther@suse.de>
3850 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3851 function non-const/pure.
3853 2012-01-27 Richard Guenther <rguenther@suse.de>
3855 PR tree-optimization/50444
3856 * tree-sra.c (build_ref_for_offset): Properly adjust the
3857 MEM_REF type for unaligned accesses.
3859 2012-01-27 Richard Guenther <rguenther@suse.de>
3861 PR tree-optimization/50444
3862 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3863 (expand_assignment): Use it. Properly handle misaligned
3864 bases when expanding stores to component references.
3865 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3868 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3871 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3872 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3873 * tree-data-ref.c (find_data_references_in_loop): Make static.
3874 (compute_all_dependences): Change return type to bool. Bail out
3875 for too many datarefs in a loop. Move the hunk resetting the data
3876 dependences vector from ...
3877 (compute_data_dependences_for_loop): ... here. Account for
3878 compute_all_dependences returning false.
3879 (compute_data_dependences_for_bb): Likewise.
3880 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3881 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3883 2012-01-27 Richard Guenther <rguenther@suse.de>
3886 * expr.c (store_field): Use the alias-set of the scratch memory
3889 2012-01-27 Tom de Vries <tom@codesourcery.com>
3891 PR tree-optimization/51990
3892 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3894 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3896 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3899 * var-tracking.c (reverse_op): Don't add any reverse operation
3900 if V already has any constant locations.
3902 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3904 * doc/invoke.texi: Correct usage of "command line" (noun)
3905 vs "command-line" (adjective) throughout.
3907 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3909 * doc/invoke.texi (Language Independent Options): Move
3910 -Wcoverage-mismatch blurb from here....
3911 (Warning Options): ...to here.
3913 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3915 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3916 Set rs6000_always_hint to false for 476.
3918 2012-01-27 Matthias Klose <doko@ubuntu.com>
3920 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3922 * incpath.c (add_standard_paths): Likewise.
3924 2012-01-27 Richard Henderson <rth@redhat.com>
3926 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3927 * config/m68k/sync.md (atomic_test_and_set): Rename from
3928 sync_test_and_setqi and adjust the operands.
3929 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3930 and unconditionally enable.
3932 2012-01-27 Richard Henderson <rth@redhat.com>
3934 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3935 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3936 (ldstub): Rename from ldstubqi.
3937 (ldstub<I24MODE>): Remove.
3939 2012-01-27 Richard Henderson <rth@redhat.com>
3941 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3942 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3943 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3944 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3945 * doc/tm.texi: Rebuild.
3947 2012-01-27 Richard Henderson <rth@redhat.com>
3949 * optabs.c (gen_atomic_test_and_set): Remove default.
3950 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3952 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3954 PR rtl-optimization/51978
3955 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3956 (combine_reaching_defs): Likewise.
3957 (struct re_info): Remove.
3958 (add_removable_extension): Remove x and data arguments,
3959 add insn, insn_list and def_map. Use the arguments directly
3960 instead of using struct re_info.
3961 (find_removable_extensions): Don't call add_removable_extension
3962 through note_stores, instead just call it with single_set
3964 (find_and_remove_re): Pass curr_cand->expr instead of
3965 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3967 2012-01-26 Michael Matz <matz@suse.de>
3969 PR tree-optimization/46590
3970 * cfgexpand.c: Revert last change (r183305).
3971 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3973 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3974 checking for emptiness.
3976 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3979 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3980 non-addressable non-BLKmode base correctly.
3982 2012-01-26 Michael Matz <matz@suse.de>
3984 PR tree-optimization/48794
3985 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3986 regions referenced from RESX/EH_DISPATCH.
3988 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3990 * config/s390/s390.h: Make BRANCH_COST an option.
3991 * config/s390/s390.opt: New option -mbranch-cost.
3993 2012-01-26 Richard Henderson <rth@redhat.com>
3995 Revert 2012-01-24 change:
3996 * trans-mem.c (requires_barrier): Do not instrument thread local
3997 variables and emit save/restore for them.
3999 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4002 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4005 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4007 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4010 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4013 Rename __pgm to __flash.
4014 Rename __pgm1 to __flash1.
4015 Rename __pgm2 to __flash2.
4016 Rename __pgm3 to __flash3.
4017 Rename __pgm4 to __flash4.
4018 Rename __pgm5 to __flash5.
4019 Rename __pgmx to __memx.
4020 * doc/extend.texi (AVR Named Address Spaces)
4021 Rename address space names as indicated above.
4022 * config/avr/avr.c (avr_addrspace): Ditto.
4024 * config/avr/avr-protos.h
4025 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4026 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4027 * config/avr/predicates.md: Ditto.
4028 * config/avr/avr.c Ditto, and
4029 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4030 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4032 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4033 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4034 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4035 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4036 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4037 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4038 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4039 * config/avr/avr.c: Ditto.
4040 * config/avr/avr.md: Ditto.
4042 2012-01-25 Jason Merrill <jason@redhat.com>
4045 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4047 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4049 PR tree-optimization/51987
4050 * tree-data-ref.c (get_references_in_stmt): Handle references in
4051 non-volatile GIMPLE_ASM.
4053 2012-01-25 Richard Guenther <rguenther@suse.de>
4055 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4056 bases are dereferenced.
4058 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4060 PR rtl-optimization/48374
4061 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4063 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4065 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4066 compute_data_dependences_for_loop returns false.
4067 * tree-parloops.c (loop_parallel_p): Likewise.
4069 2012-01-25 Richard Guenther <rguenther@suse.de>
4071 * tree.h (get_pointer_alignment_1): Declare.
4072 * builtins.c (get_pointer_alignment_1): New function.
4073 (get_pointer_alignment): Use it.
4075 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4077 PR rtl-optimization/48308
4078 * combine.c (enum undo_kind): Add UNDO_LINKS.
4079 (struct undo): Add member l to other_contents and where.
4080 (do_SUBST_LINK): New.
4082 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4083 (undo_all): Handle UNDO_LINKS.
4085 2012-01-25 Richard Henderson <rth@redhat.com>
4087 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4090 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4092 * optabs.c (gen_atomic_test_and_set): Use each argument.
4094 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4096 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4097 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4098 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4099 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4100 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4101 TARGET_PAIRED_SINGLE_FLOAT.
4103 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4105 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4106 (in_struct, return_val): Remove MEM documentation.
4107 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4108 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4109 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4111 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4112 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4113 * expr.c (store_field): Likewise.
4114 * function.c (assign_stack_temp_for_type): Likewise.
4115 * ifcvt.c (noce_try_cmove_arith): Likewise.
4116 * reload1.c (reload): Likewise.
4117 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4118 (alpha_set_memflags): Likewise.
4119 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4121 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4123 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4125 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4126 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4127 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4129 * cselib.c (cselib_rtx_varies_p): Delete.
4130 (cselib_invalidate_mem): Update call to canon_true_dependence.
4131 * dse.c (record_store, check_mem_read_rtx): Likewise.
4132 (scan_reads_nospill): Likewise.
4133 * cse.c (check_dependence): Likewise.
4134 (cse_rtx_varies_p): Delete.
4135 * expr.c (safe_from_p): Update call to true_dependence.
4136 * ira.c (validate_equiv_mem_from_store): Likewise.
4137 (memref_referenced_p): Likewise.
4138 * postreload-gcse.c (find_mem_conflicts): Likewise.
4139 * sched-deps.c (sched_analyze_2): Likewise.
4140 * store-motion.c (load_kills_store): Likewise.
4141 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4142 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4143 (compute_transp): Update call to canon_true_dependence.
4145 2012-01-25 Richard Henderson <rth@redhat.com>
4147 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4148 (maybe_emit_atomic_test_and_set): New.
4149 (expand_sync_lock_test_and_set): Use it.
4150 (expand_atomic_test_and_set): Likewise.
4151 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4152 the implementation; clarify implementation defined details.
4153 * doc/md.texi (atomic_test_and_set): Document.
4155 2012-01-25 Richard Henderson <rth@redhat.com>
4157 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4159 2012-01-25 Richard Henderson <rth@redhat.com>
4162 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4163 to effect no-op split.
4165 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4168 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4169 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4170 (BT_FN_VOID_PTR_INT_SIZE): New.
4171 (BT_FN_UINT_UINT_VAR): Remove.
4172 (BT_FN_UINT32_UINT32_VAR): New.
4173 (BT_FN_DOUBLE_VPTR): Remove.
4174 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4176 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4177 (_ITM_changeTransactionMode): Same.
4178 (_ITM_memmoveRtWt): Change return type to void.
4179 (_ITM_memcpyRtWt): Same.
4180 (_ITM_memsetW): Same.
4181 (_ITM_RaRD): Change types to double.
4186 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4188 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4189 Patrick Marlier <patrick.marlier@gmail.com>
4191 * trans-mem.c (requires_barrier): Do not instrument thread local
4192 variables and emit save/restore for them.
4194 2012-01-24 Jason Merrill <jason@redhat.com>
4197 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4198 output static aliases.
4200 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4203 * common.opt (-pie, -shared, pie, shared): Change from Common to
4205 * gcc.c (display_help): Display help for -pie and -shared.
4207 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4210 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4211 Remove note on size/offset limitation.
4212 (AVR Variable Attributes): Add example how to read data located
4213 with progmem. Refer to named address spaces.
4214 * doc/invoke.texi (AVR Options): Fix typo.
4216 2012-01-24 Richard Guenther <rguenther@suse.de>
4218 Forward-port to trunk
4219 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4222 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4223 op0 isn't sufficiently aligned and there is movmisalignM
4224 insn for mode, use it to load op0 into a temporary register.
4226 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4229 * target.def (const_not_ok_for_debug_p): New hook.
4230 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4232 * doc/tm.texi: Regenerated.
4233 * dwarf2out.c (const_ok_for_output_1): If
4234 targetm.const_not_ok_for_debug_p returns true, fail.
4235 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4237 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4239 2012-01-23 Kai Tietz <ktietz@redhat.com>
4242 * config/i386/predicates.md (symbolic_operand): Allow
4243 UNSPEC_PCREL as PIC expression for lea.
4244 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4245 * config/i386/i386.c (ix86_delegitimize_address): Handle
4246 UNSPEC_PCREL for none-MEM, too.
4248 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4250 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4251 (ipa_tm_create_version_alias): Same.
4253 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4256 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4257 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4259 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4260 Patrick Marlier <patrick.marlier@gmail.com>
4261 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4264 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4265 simple_object_start_read.
4267 2012-01-23 Richard Guenther <rguenther@suse.de>
4270 PR tree-optimization/51895
4271 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4272 parameter decomposition into BLKmode components.
4274 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4276 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4277 fake variables for restrict-qualified pointers whose pointed-to type
4278 contains a placeholder.
4280 2012-01-23 Richard Guenther <rguenther@suse.de>
4282 PR tree-optimization/51949
4283 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4285 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4287 PR rtl-optimization/51933
4288 * ree.c (transform_ifelse): Return true right away if dstreg is
4289 already wider or equal to cand->mode.
4290 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4291 (make_defs_and_copies_lists): Remove defs_list and copies_list
4292 arguments, add state argument, just truncate state->work_list
4293 instead of always allocating and freeing the vector. Assert that
4294 get_defs succeeds instead of returning 2. Changed return type to bool.
4295 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4296 have ext_src_mode, see if it has been modified already with the
4297 right kind of extension and has been extended before from the
4298 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4299 just return true. Remember the original mode in state->modified array.
4300 (combine_reaching_defs): Add state argument. Don't allocate and
4301 free here def_list, copied_list and vec vectors, instead just
4302 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4303 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4304 Add state variable, clear vectors in it, initialize state.modified
4305 if needed. Free all the vectors at the end and state.modified too.
4306 Don't skip a candidate if the extension expression has been modified.
4308 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4311 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4312 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4313 (extra_options) interix.opt -> i386/interix.opt"
4314 (extra_objs):Add winnt-stubs.o
4315 * configure.ac: Add interix to target_os .comm on PE check.
4316 * configure: Regenerate.
4317 * config/interix3.h: Delete and move bits to..
4318 * config/interix.h: Delete and move bits to..
4319 * config/i386/i386-interix3.h: Delete and move bits to..
4320 * config/i386/i386-interix.h: ..here.
4321 (TARGET_CPU_DEFAULT): Remove redefinition.
4322 (TARGET_ASM_CONSTRUCTOR): Undefine.
4323 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4324 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4325 (PTRDIFF_TYPE): Define.
4326 (LONG_DOUBLE_TYPE_SIZE): Define.
4327 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4328 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4329 (TARGET_SECTION_TYPE_FLAGS): Define.
4330 (ASM_DECLARE_FUNCTION_NAME): Define.
4331 (ASM_OUTPUT_EXTERNAL): Define.
4332 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4333 (ASM_OUTPUT_ALIGNED_BSS): Define.
4334 (PCC_BITFIELD_TYPE_MATTERS): Define.
4335 (USE_CONST_SECTION): Define.
4336 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4337 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4338 (SUPPORTS_ONE_ONLY): Remove.
4339 (I386_PE_STRIP_ENCODING): Define.
4340 * config/interix.opt: Delete and move bits to..
4341 * config/i386/interix.opt: ..here. New.
4342 (mpe-aligned-commons): Add.
4343 * config/i386/t-interix: Add copyright header.
4344 (winnt-stubs.o): Add rule.
4346 2012-01-22 Jason Merrill <jason@redhat.com>
4349 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4350 for extra name aliases.
4352 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4354 PR rtl-optimization/51924
4355 * ree.c (combine_set_extension): Improve debugging message.
4356 (combine_reaching_defs): Likewise.
4357 (get_defs): Rename confusingly named variable.
4358 (find_and_remove_re): Skip a candidate if the extension expression has
4361 2012-01-21 Robert Millan <rmh@gnu.org>
4362 Gerald Pfeifer <gerald@pfeifer.com>
4364 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4365 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4367 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4369 PR tree-optimization/51914
4370 * tree-vect-stmts.c (vectorizable_conversion): For
4371 cvt_type && modifier == WIDEN, put temporary with cvt_type
4372 at the beginning of vec_dsts and set vec_dest to temporary
4375 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4377 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4379 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4381 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4382 * config/rs6000/rs6000.c: Likewise.
4384 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4387 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4388 output_move_double on a copy of operands array.
4390 2012-01-20 Cary Coutant <ccoutant@google.com>
4391 Dodji Seketeli <dodji@redhat.com>
4394 * dwarf2out.c (copy_declaration_context): Return ref to parent
4395 of declaration DIE, if necessary.
4396 (remove_child_or_replace_with_skeleton): Add new parameter; update
4397 caller. Place skeleton DIE under parent DIE of original declaration.
4398 Move call to copy_declaration_context to here ...
4399 (break_out_comdat_types): ... from here.
4401 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4403 PR rtl-optimization/51856
4404 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4407 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4410 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4411 hints for neon loads and stores.
4413 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4417 * doc/extend.texi (Named Address Spaces): Split into subsections.
4418 (AVR Named Address Spaces): New subsection.
4419 (M32C Named Address Spaces): New subsection.
4420 (RL78 Named Address Spaces): New subsection.
4421 (SPU Named Address Spaces): New subsection.
4422 (Variable Attributes): New anchor "AVR Variable Attributes".
4423 (AVR Variable Attributes): Rewrite and avoid wording
4424 "address space" in this context.
4425 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4426 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4427 (AVR Built-in Macros): New subsubsection therein.
4428 * doc/md.texi (AVR constraints): Remove "C04", "R".
4430 2012-01-20 Richard Guenther <rguenther@suse.de>
4432 PR tree-optimization/51903
4433 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4434 when removing stmts.
4436 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4439 * config/arm/arm.c (arm_load_pic_register): Use
4440 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4441 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4442 (arm_pic_static_addr): Likewise.
4443 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4444 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4445 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4446 (pic_load_addr_unified): New.
4448 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4451 * function.c (instantiate_virtual_regs_in_insn): Use
4452 delete_insn_and_edges when removing a wrong asm insn.
4454 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4456 PR rtl-optimization/40761
4457 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4458 Add new member loop_num.
4459 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4460 (ira_build): Remove the parameter.
4462 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4463 (ira.c): Do not build CFG loops for one region allocation. Remove
4464 argument from ira_build call.
4466 * ira-build.c (init_loop_tree_node): New function.
4467 (create_loop_tree_nodes): Use it. Separate the case when CFG
4468 loops are not built.
4469 (more_one_region_p): Check current_loops.
4470 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4472 (add_loop_to_tree): Process loop equal to NULL too.
4473 (form_loop_tree): Separate the case when CFG loops are not built.
4474 Use explicitly number for the root.
4475 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4477 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4478 instead of loop->num.
4479 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4480 (mark_all_loops_for_removal): Ditto.
4481 (remove_unnecessary_regions): Separate the case when CFG loops
4483 (ira_build): Remove the parameter. Use explicit number of regions
4484 when CFG loops are not built.
4486 * ira-color.c (print_loop_title): Separate the case for the root node.
4487 Use loop_num instead of loop->num.
4488 (move_spill_restore): Use loop_num instead of loop->num.
4490 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4491 (change_loop): Ditto.
4492 (change_loop): Use loop_num instead of loop->num.
4494 * ira-lives.c (process_bb_node_lives): Ditto.
4496 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4498 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4500 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4503 * tree-mudflap.c (mf_artificial): New function.
4504 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4505 mx_register_decls, mudflap_enqueue_decl): Use it.
4508 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4509 numbers in the insn pattern.
4511 2012-01-19 Michael Matz <matz@suse.de>
4513 PR tree-optimization/46590
4514 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4515 use it in remembering which conflicts we already created.
4516 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4519 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4522 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4523 (merge_and_complain): Same.
4525 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4528 * config/initfini-array.h: Guard content of the header
4529 with #ifdef HAVE_INITFINI_ARRAY.
4530 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4531 Add initfini-array.h to tm_file here.
4532 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4533 * config.gcc: Don't add initfini-array.h to tm_file here.
4534 * configure: Regenerated.
4536 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4538 PR rtl-optimization/51505
4539 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4540 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4541 (df_note_bb_compute): Update the call to df_kill_notes.
4543 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4545 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4547 2012-01-18 Richard Guenther <rguenther@suse.de>
4549 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4550 of conversions to void *.
4552 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4553 Richard Sandiford <rdsandiford@googlemail.com>
4557 * optabs.h (simplify_expand_binop): Declare.
4558 * optabs.c (simplify_expand_binop): Make global.
4559 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4560 endian targets if the source cannot be exactly covered by word
4563 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4566 * hard-reg-set.h (struct hard_reg_set_container): New type.
4567 * target.h (struct hard_reg_set_container): Forward declare.
4568 * target.def (set_up_by_prologue): New target hook.
4569 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4570 * doc/tm.texi: Regenerated.
4571 * function.c (thread_prologue_and_epilogue_insns): Change
4572 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4573 Call targetm.set_up_by_prologue on it.
4574 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4575 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4577 2012-01-17 Nick Clifton <nickc@redhat.com>
4579 * config/rx/rx.c (rx_can_use_simple_return): New function.
4580 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4581 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4583 2012-01-17 Richard Guenther <rguenther@suse.de>
4586 * expr.c (expand_assignment): Take address-space information
4587 from the address operand of MEM_REF and TARGET_MEM_REF.
4588 (expand_expr_real_1): Likewise.
4590 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4592 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4593 reload dump is requested.
4595 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4598 * trans-mem.c (requires_barrier): Call may_be_aliased.
4600 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4602 PR tree-optimization/51877
4603 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4604 call arguments and fndecls compare equal, instead return false if they
4605 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4606 both SSA_NAMEs that are valueized the same, or they satisfy
4609 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4611 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4613 * configure: Regenerate.
4615 2012-01-16 Jan Hubicka <jh@suse.cz>
4619 * convert.c (convert_to_integer): Use fold_convert for
4620 converting an INTEGER_CST to integer type.
4622 2012-01-16 Jason Merrill <jason@redhat.com>
4625 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4627 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4630 * config/s390/s390.c (s390_chunkify_start): Don't skip
4631 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4632 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4633 If insn is followed by NOTE_INSN_VAR_LOCATION or
4634 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4635 Don't use location of note insns.
4637 PR tree-optimization/51865
4638 * tree-inline.c (tree_function_versioning): Call remap_decl
4639 on DECL_RESULT whenever it has VOID_TYPE_P type.
4641 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4643 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4644 for calls to locally-binding MIPS16 functions if only the return
4645 type uses float regs.
4647 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4648 Richard Sandiford <rdsandiford@googlemail.com>
4650 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4651 (SYMBOL_32_HIGH): Likewise.
4652 (mips_output_tls_reloc_directive): Declare.
4653 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4654 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4655 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4656 (mips_lo_relocs, mips_hi_relocs): Make extern.
4657 (mips16_stub_function): Move up file.
4658 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4659 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4660 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4661 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4662 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4663 (mips_get_tp): Add MIPS16 support.
4664 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4665 Generalize DTPREL and TPREL handling.
4666 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4667 Add MIPS16 TLS support.
4668 (mips_output_tls_reloc_directive): New function.
4669 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4670 * config/mips/predicates.md (symbolic_operand_with_high)
4671 (tls_reloc_operand): New predicates.
4672 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4673 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4674 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4675 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4676 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4677 (*tls_get_tp_mips16_call_<mode>): Likewise.
4679 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4681 PR rtl-optimization/51821
4682 * recog.c (peep2_find_free_register): Determine clobbered registers
4685 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4688 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4689 * config/avr/avr.c: Likewise.
4690 * config/avr/avr.h: Likewise.
4692 2012-01-13 Ian Lance Taylor <iant@google.com>
4695 * tree.h (TYPE_QUALS): Add cast to int.
4696 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4698 2012-01-13 Ian Lance Taylor <iant@google.com>
4700 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4701 comparing param_index to VEC_length result.
4703 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4705 * c-decl.c: Do not include tree-mudflap.h
4706 * tree-optimize.c: Likewise.
4707 * Makefile.in: Update dependencies.
4709 2012-01-13 Richard Guenther <rguenther@suse.de>
4712 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4713 variable-sized result always use RSO.
4715 2012-01-12 DJ Delorie <dj@redhat.com>
4717 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4718 pointer type, not just the default pointer type.
4720 2012-01-09 Richard Henderson <rth@redhat.com>
4721 Denis Chertykov <chertykov@gmail.com>
4724 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4725 * config/avr/avr.c (avr_can_eliminate): Simplify.
4726 (avr_initial_elimination_offset): Likewise.
4727 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4728 (expand_epilogue): Likewise.
4729 (avr_legitimize_address): Gut.
4730 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4731 (avr_hard_regno_nregs): New.
4732 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4733 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4734 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4735 add soft frame pointer.
4736 (CALL_USED_REGISTERS): Likewise.
4737 (REG_CLASS_CONTENTS): Likewise.
4738 (REGISTER_NAMES): Likewise.
4739 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4740 (HARD_FRAME_POINTER_REGNUM): New.
4741 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4742 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4743 remove the HARD_FRAME_POINTER self-elimination.
4745 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4748 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4749 DECL_EXTERNAL when checking for initializers of progmem variables.
4751 2012-01-12 Ira Rosen <irar@il.ibm.com>
4753 PR tree-optimization/51799
4754 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4755 that the last operation is a type demotion.
4757 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4759 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4760 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4762 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4765 * combine.c (distribute_notes): If i3 is a noreturn call,
4766 allow old_size to be equal to args_size and make sure the
4767 noreturn call gets REG_ARGS_SIZE note.
4768 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4769 on noreturn calls even when the delta is 0.
4771 2012-01-11 Nathan Sidwell <nathan@acm.org>
4773 * gcov.c (STRING_SIZE): Remove.
4774 (generate_results): Erase annotations for source files with no
4775 coverage information.
4777 (output_lines): Use it.
4779 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4781 * gimple.h (gimplify_body): Remove first argument.
4782 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4783 pointer set here, instead just pass DATA to walk_tree.
4784 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4785 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4786 (unvisit_body): Likewise, but with unmark_visited.
4787 (gimplify_body): Remove BODY_P argument and adjust.
4788 (gimplify_function_tree): Adjust call to gimplify_body.
4789 * omp-low.c (finalize_task_copyfn): Likewise.
4791 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4793 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4794 (build_function_type_skip_args): Delete.
4795 * tree.c (build_function_type_skip_args): Make static and add
4796 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4797 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4798 pass it to build_function_type_skip_args.
4799 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4800 (tree_function_versioning): Likewise.
4801 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4802 build_function_decl_skip_args.
4803 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4804 and pass it to build_function_decl_skip_args/tree_function_versioning.
4805 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4806 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4807 * trans-mem.c (ipa_tm_create_version): Likewise.
4808 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4809 * tree-inline.c (declare_return_variable): Remove always-true test.
4810 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4811 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4812 * ipa-split.c (split_function): Skip the return value for the split
4813 part if it doesn't return.
4815 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4817 PR tree-optimization/49642
4818 * ipa-split.c (forbidden_dominators): New variable.
4819 (check_forbidden_calls): New function.
4820 (dominated_by_forbidden): Likewise.
4821 (consider_split): Check for forbidden dominators.
4822 (execute_split_functions): Initialize and free forbidden
4823 dominators info; call check_forbidden_calls.
4825 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4827 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4829 2012-01-11 Nick Clifton <nickc@redhat.com>
4831 * config/rx/rx.md (return): Define pattern.
4833 2012-01-11 Richard Guenther <rguenther@suse.de>
4835 * doc/extend.texi (malloc attribute): Adjust according to
4838 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4839 Patrick Marlier <patrick.marlier@gmail.com>
4842 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4843 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4844 (ipa_tm_note_irrevocable): Same.
4845 (ipa_tm_scan_irr_block): Same.
4846 (ipa_tm_decrement_clone_counts): Same.
4847 (ipa_tm_scan_irr_function): Same.
4848 (ipa_tm_create_version_alias): Same.
4849 (ipa_tm_create_version): Same.
4850 (ipa_tm_transform_calls_redirect): Same.
4851 (ipa_tm_transform_calls): Same.
4852 (ipa_tm_transform_transaction): Same.
4853 (ipa_tm_execute): Same.
4855 2012-01-10 Richard Guenther <rguenther@suse.de>
4858 * opts.c (common_handle_option): Handle -Werror.
4860 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4862 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4865 2012-01-10 Jason Merrill <jason@redhat.com>
4867 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4870 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4872 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4873 supports R_386_TLS_GD_PLT reloc.
4874 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4875 supports R_386_TLS_LDM_PLT reloc.
4876 * configure: Regenerate.
4877 * config.in: Regenerate.
4879 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4882 Extend __pgmx semantics to linearize memory.
4883 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4884 determine if code comes inline or from libgcc.
4885 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4886 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4887 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4888 (movmemx_qi, movmemx_hi): New insns.
4889 (xload_<mode>_libgcc): Rewrite to new insn condition.
4890 (xload_<mode>): Remove insns.
4891 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4892 cases that don't satisfy avr_xload_libgcc_p().
4893 (avr_addr_space_convert): Allow converting in any direction.
4894 (avr_addr_space_subset_p): Return always true.
4895 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4896 (avr_emit_movmemhi): Ditto.
4897 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4898 (avr_out_movmem): Ditto.
4899 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4900 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4901 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4902 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4903 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4905 2012-01-10 Richard Guenther <rguenther@suse.de>
4907 PR tree-optimization/50913
4908 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4909 Require data-refs to be representable by Graphite with respect
4912 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4914 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4915 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4917 2012-01-10 Tom de Vries <tom@codesourcery.com>
4919 PR rtl-optimization/51271
4920 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4921 handling annulled branch.
4923 2012-01-10 Richard Henderson <rth@redhat.com>
4925 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4926 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4927 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4928 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4929 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4930 arm_expand_vec_perm_const): New.
4931 * config/arm/arm-protos.h: Update.
4932 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4933 (*neon_vswp<VDQX>): New.
4934 (neon_vcombine<VDX>): Use neon_split_vcombine.
4935 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4936 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4937 (vec_perm<VE>): New.
4939 2012-01-10 Richard Henderson <rth@redhat.com>
4941 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4942 use it if reload_completed.
4943 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4944 arm_output_asm_insn, arm_process_output_memory_barrier,
4945 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4946 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4947 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4948 arm_process_output_sync_insn, arm_output_sync_insn,
4949 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4950 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4951 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4952 (emit_unlikely_jump): New.
4953 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4954 (arm_split_atomic_op): New.
4955 * config/arm/arm-protos.h: Update.
4956 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4957 (struct arm_sync_generator): Remove.
4958 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4959 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4960 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4961 (VUNSPEC_LL, VUNSPEC_SC): New.
4962 (sync_result, sync_memory, sync_required_value, sync_new_value,
4963 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4964 (attr length): Don't use arm_sync_loop_insns.
4965 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4966 (movsfcc, movdfcc): Likewise.
4967 * config/arm/constraints.md (Ua): New.
4968 * config/arm/prediates.md (mem_noofs_operand): New.
4969 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4970 (sync_clobber, sync_t2_reqd): Remove.
4971 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4972 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4973 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4974 (arm_sync_compare_and_swap<SIDI>): Remove.
4975 (arm_sync_compare_and_swap<NARROW>): Remove.
4976 (arm_sync_lock_test_and_set<SIDI>): Remove.
4977 (arm_sync_lock_test_and_set<NARROW>): Remove.
4978 (arm_sync_new_<syncop><SIDI>): Remove.
4979 (arm_sync_new_<syncop><NARROW>): Remove.
4980 (arm_sync_new_nand<SIDI>): Remove.
4981 (arm_sync_new_nand<NARROW>): Remove.
4982 (arm_sync_old_<syncop><SIDI>): Remove.
4983 (arm_sync_old_<syncop><NARROW>): Remove.
4984 (arm_sync_old_nand<SIDI>): Remove.
4985 (arm_sync_old_nand<NARROW>): Remove.
4986 (*memory_barrier): Merge arm_output_memory_barrier.
4987 (atomic_compare_and_swap<QHSD>): New.
4988 (atomic_compare_and_swap<NARROW>_1): New.
4989 (atomic_compare_and_swap<SIDI>_1): New.
4990 (atomic_exchange<QHSD>): New.
4991 (cas_cmp_operand, cas_cmp_str): New.
4992 (atomic_op_operand, atomic_op_str): New.
4993 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4994 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4995 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4996 (arm_load_exclusive<NARROW>): New.
4997 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4998 (arm_store_exclusive<QHSD>): New.
5000 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5002 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5003 reload patterns if -mvsx-scalar-memory.
5005 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5006 generated, even -mno-vsx-scalar-double was used.
5007 (vsx_xscvdpsp_scalar): Likewise.
5008 (vsx_xscvspdp_scalar2): Likewise.
5010 2012-01-09 Tom de Vries <tom@codesourcery.com>
5011 Andrew Pinski <apinski@cavium.com>
5014 * reorg.c (fill_slots_from_thread): Don't speculate
5015 frame-related insns.
5017 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5019 * sched-int.h (bb_note): Move to...
5020 * basic-block.h: ...here.
5021 * haifa-sched.c (bb_note): Move to...
5022 * cfgrtl.c: ...here.
5023 * function.c (next_block_for_reg): New function.
5024 (move_insn_for_shrink_wrap): Likewise.
5025 (prepare_shrink_wrap): Rewrite to use the above.
5027 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5029 * gimple.c (is_gimple_non_addressable): Remove.
5030 * gimple.h: Remove is_gimple_non_addressable.
5031 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5032 is_gimple_non_addressable.
5033 * trans-mem.c (expand_assign_tm): Same.
5035 2012-01-09 Richard Guenther <rguenther@suse.de>
5037 PR tree-optimization/51775
5038 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5039 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5041 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5043 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5045 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5047 2012-01-09 Richard Guenther <rguenther@suse.de>
5049 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5051 2012-01-08 Jan Hubicka <jh@suse.cz>
5053 PR tree-optimize/51680
5054 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5055 on when known_vals needs to be computed; cleanup.
5057 2012-01-08 Jan Hubicka <jh@suse.cz>
5059 PR tree-optimize/51694
5060 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5062 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5064 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5065 for -std=c++98 and -std=c++11 too.
5067 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5069 * cfgloop.c (cancel_loop): Add free() of bbs array.
5071 2012-01-07 Jan Hubicka <jh@suse.cz>
5073 PR tree-optimization/51600
5074 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5075 that benefits small functions.
5077 2012-01-07 Jan Hubicka <jh@suse.cz>
5079 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5081 2012-01-07 Jan Hubicka <jh@suse.cz>
5083 PR tree-optimization/51680
5084 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5085 whose inlining reduce unit size.
5087 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5090 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5091 Add canonical node to containing_mem chain after the non-canonical
5092 one, even if there weren't any locs to propagate.
5093 (remove_useless_values): Keep only canonical values.
5094 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5095 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5096 canonicalize mem_chain elements that are not discarded.
5098 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5101 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5102 before emitting functions.
5104 PR gcov-profile/50127
5105 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5106 clear_aux_for_blocks.
5108 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5111 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5113 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5115 * c-decl.c (ext_block): Moved up.
5116 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5118 2012-01-06 Han Shen <shenhan@google.com>
5120 Translate built-in include paths for sysroot.
5121 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5122 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5124 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5125 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5127 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5128 control whether sysroot should be prepended to gxx include dir.
5130 * configure: Regenerate.
5132 2012-01-06 Torvald Riegel <triegel@redhat.com>
5134 PR rtl-optimization/51771
5135 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5136 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5138 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5140 PR tree-optimization/51315
5141 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5142 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5144 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5147 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5148 for shrp pattern. Correctly handle and fixup shift variable.
5149 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5151 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5154 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5155 note when !ACCUMULATE_OUTGOING_ARGS.
5157 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5159 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5161 (extract_range_from_unary_expr_1): Avoid useless computations.
5163 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5165 PR rtl-optimization/51767
5166 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5167 of jump_block and add an extra edge for degenerated asm gotos.
5170 * stmt.c (check_unique_operand_names): Don't ICE during error
5171 reporting if i is from labels chain.
5174 * profile.c (branch_prob): Split bbs that have exit edge
5175 and need a fake entry edge too.
5177 2012-01-05 Jan Hubicka <jh@suse.cz>
5180 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5183 2012-01-05 Richard Guenther <rguenther@suse.de>
5186 * tree-streamer-out.c (write_ts_optimization): New function.
5187 (streamer_write_tree_body): Call it.
5188 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5189 (streamer_read_tree_body): Call it.
5190 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5192 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5195 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5196 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5197 in_cleanup_point_expr before gimplify_stmt call and restore it
5199 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5200 in_cleanup_point_expr is false.
5202 2012-01-05 Richard Guenther <rguenther@suse.de>
5205 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5207 * toplev.c (process_options): Reject combining mudflap and LTO.
5208 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5210 2012-01-05 Richard Guenther <rguenther@suse.de>
5212 PR tree-optimization/51760
5213 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5215 (bit_value_unop): Handle UNDEFINED operands.
5216 (bit_value_binop): Likewise.
5218 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5220 * config/avr/avr.c (avr_replace_prefix): Remove.
5221 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5222 (avr_asm_function_rodata_section): Ditto.
5223 (avr_asm_select_section): Ditto.
5225 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5227 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5230 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5233 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5234 calls that have any non-fake successor edges.
5237 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5239 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5241 PR tree-optimization/51624
5242 * tree-sra.c (build_ref_for_model): When replicating a chain of
5243 COMPONENT_REFs, stop as soon as the offset would become negative.
5245 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5248 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5249 in .debug_loc on the floor.
5251 2012-01-04 Andrew Pinski <apinski@cavium.com>
5253 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5255 2012-01-04 Andrew Pinski <apinski@cavium.com>
5256 Adam Nemet <anemet@caviumnetworks.com>
5258 * config/mips/mips.md (size): Add SI and DI.
5259 (SIZE): New mode attribute.
5260 (U): New code attribute.
5261 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5262 (mips_lbux_<mode>): Delete.
5263 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5264 (mips_lhx): Use gen_mips_lhx_extsi.
5265 (mips_lhx_<mode>): Delete.
5267 (mips_l<size>x): New expand.
5268 (mips_lwx_<mode>): Delete.
5269 (mips_l<GPR:size>x_<P:mode>): New pattern.
5270 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5271 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5272 * config/mips/mips.c (mips_lx_address_p): New function.
5273 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5274 (dsp64): New availability predicate.
5275 (mips_builtins): Add an entry for __builtin_mips_ldx.
5276 * config/mips/mips.h (ISA_HAS_LBX): New define.
5277 (ISA_HAS_LBUX): Likewise.
5278 (ISA_HAS_LHX): Likewise.
5279 (ISA_HAS_LHUX): Likewise.
5280 (ISA_HAS_LWX): Likewise.
5281 (ISA_HAS_LWUX): Likewise.
5282 (ISA_HAS_LDX): Likewise.
5283 * doc/extend.texi (__builtin_mips_ldx): Document.
5285 2012-01-04 Tristan Gingold <gingold@adacore.com>
5287 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5288 when long pointers are used.
5289 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5290 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5291 (ia64-hp-*vms*): Remove.
5292 * config/vms/xm-vms64.h: Delete.
5294 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5297 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5299 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5301 * opts.c (finish_options): Remove duplicate sorry.
5303 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5306 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5309 2012-01-04 Richard Guenther <rguenther@suse.de>
5312 * tree.c (size_low_cst): New function.
5313 * tree.h (size_low_cst): Declare.
5314 * fold-const.c (fold_comparison): Use it to extract the low
5315 part of the POINTER_PLUS_EXPR offset.
5317 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5319 Fix clearing ZERO_REG
5320 * config/avr/avr.md (cc): Add alternative "ldi".
5321 (movqi_insn): Use it in cc attribute.
5322 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5323 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5324 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5326 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5328 * configure: Regenerate.
5330 2012-01-04 Richard Guenther <rguenther@suse.de>
5332 PR tree-optimization/49651
5333 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5334 (var_can_have_subvars): Use it.
5335 (get_constraint_for_1): Only consider subfields if there can be any.
5337 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5340 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5341 to its new canonical_cselib_val and the cselib_val was in
5342 first_containing_mem chain, but the canonical_cselib_val was not,
5343 add the latter into the chain.
5344 (cselib_invalidate_mem): Compare canonical_cselib_val of
5345 addr_list chain elt with v.
5348 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5349 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5351 (output_macinfo_op): Don't ggc_strdup fd->filename.
5352 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5353 then ggc_strdup it. Don't free inc->info or cur->info.
5354 (output_macinfo): Don't free ref->info or file->info.
5356 2012-01-03 Ira Rosen <irar@il.ibm.com>
5358 PR tree-optimization/51269
5359 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5360 first_niters a pointer.
5361 (slpeel_tree_peel_loop_to_edge): Likewise.
5362 (vect_do_peeling_for_loop_bound): Update call to
5363 slpeel_tree_peel_loop_to_edge.
5364 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5365 here. Remove it from the parameters list.
5366 (vect_do_peeling_for_alignment): Update calls and compute
5369 2012-01-03 Richard Guenther <rguenther@suse.de>
5371 PR tree-optimization/51070
5372 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5373 Properly handle calls.
5375 2012-01-03 Richard Guenther <rguenther@suse.de>
5377 PR tree-optimization/51692
5378 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5379 the LHS of allocation stmts.
5381 2012-01-03 Olivier Hainque <hainque@adacore.com>
5383 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5385 2012-01-03 Olivier Hainque <hainque@adacore.com>
5387 * collect2.c (main): In AIX specific computations for vector
5388 insertions, use CONST_CAST2 to cast from char ** to const char **.
5390 2012-01-03 Richard Guenther <rguenther@suse.de>
5393 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5394 the context of a limbo DIE when it does not already exist.
5396 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5398 PR tree-optimization/51719
5399 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5400 but direct call is, clear direct call's lhs and don't add fallthrough
5401 edge from dcall_bb to join_bb and PHIs.
5403 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5405 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5406 the instructions emitted by the pattern.
5407 ("*TDC_insn_<mode>"): Add comment.
5409 2012-01-03 Richard Guenther <rguenther@suse.de>
5412 * fold-const.c (fold_comparison): Properly canonicalize
5413 tree offset and HOST_WIDE_INT bit position.
5415 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5417 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5418 operands for extzv pattern.
5420 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5423 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5426 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5428 * doc/invoke.texi (-flto and related options): Copy-edit.
5430 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5432 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5434 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5436 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5439 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5441 * expr.h (move_by_pieces_ninsns): Declare.
5442 * expr.c (move_by_pieces_ninsns): Make external.
5443 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5444 (mips_store_by_pieces_p): Likewise.
5445 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5446 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5447 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5448 (mips_store_by_pieces_p): Likewise.
5450 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5452 * passes.c (register_one_dump_file): Free full_name.
5454 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5455 (calculate_elim_costs_all_insns): Free offsets_at and
5456 offsets_known_at at the end and clear the pointers.
5458 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5460 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5461 this option introduced in r180739.
5463 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5466 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5467 (tmake_file target=avr): Add avr/t-multilib.
5469 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5470 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5471 * config/avr/genmultilib.awk: New file.
5472 * config/avr/t-multilib: New auto-generated file.
5473 * config/avr/multilib.h: New auto-generated file.
5474 * config/avr/t-avr (AVR_MCUS): New variable.
5475 (genopt.sh): Use it.
5476 (s-mlib): Depend on t-multilib.
5477 (t-multilib, multilib.h): New dependencies.
5478 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5479 (MULTILIB_OPTIONS): Remove.
5480 (MULTILIB_MATCHES): Remove.
5481 (MULTILIB_DIRNAMES): Remove.
5482 (MULTILIB_EXCEPTIONS): Remove:
5483 * config/avr/genopt.sh: Don't use hard coded file name;
5484 pass AVR_MCUS from t-avr instead.
5486 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5488 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5490 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5492 Implement light-weight DImode support.
5493 * config/avr/avr-dimode.md: New file.
5494 * config/avr/avr.md: Include it.
5495 (adjust_len): Add plus64, compare64.
5496 (HIDI): Remove code iterator.
5497 (code_stdname): New code attribute.
5498 (rotx, rotsmode): Remove DI.
5499 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5501 * config/avr/avr-protos.h (avr_have_dimode): New.
5502 (avr_out_plus64, avr_out_compare64): New.
5503 * config/avr/avr.c (avr_out_compare): Handle DImode.
5504 (avr_have_dimode): New variable definition and initialization.
5505 (avr_out_compare64, avr_out_plus64): New functions.
5506 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5507 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5508 (avr_compare_pattern): Skip DImode comparisons.
5510 2012-01-02 Revital Eres <revital.eres@linaro.org>
5512 * ddg.c (def_has_ccmode_p): New function.
5513 (add_cross_iteration_register_deps,
5514 create_ddg_dep_from_intra_loop_link): Call it.
5516 2012-01-02 Richard Guenther <rguenther@suse.de>
5519 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5521 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5523 * gcc.c (process_command): Update copyright notice dates.
5524 * gcov.c (print_version): Likewise.
5525 * gcov-dump.c (print_version): Likewise.
5526 * mips-tfile.c (main): Likewise.
5527 * mips-tdump.c (main): Likewise.
5529 2012-01-01 Ira Rosen <irar@il.ibm.com>
5531 PR tree-optimization/51704
5532 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5533 a use is inside the basic block or loop before accessing its vect info.
5535 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5537 PR rtl-optimization/51069
5538 * cfgloopmanip.c (remove_path): Removing path making irreducible
5539 region unconditional makes BB part of the region.
5541 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5543 PR tree-optimization/51683
5544 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5545 calls with side-effects.
5546 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5548 Copyright (C) 2012 Free Software Foundation, Inc.
5550 Copying and distribution of this file, with or without modification,
5551 are permitted in any medium without royalty provided the copyright
5552 notice and this notice are preserved.