1 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
6 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
9 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
10 Richard Earnshaw <rearnsha@arm.com>
12 * target.def (vector_alignment): New target hook.
13 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
14 * doc/tm.texi: Regenerate.
15 * targhooks.c (default_vector_alignment): New function.
16 * targhooks.h (default_vector_alignment): Add prototype.
17 * stor-layout.c (layout_type): Use targetm.vector_alignment.
18 * config/arm/arm.c (arm_vector_alignment): New function.
19 (TARGET_VECTOR_ALIGNMENT): Define.
21 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
22 vector type alignment instead of size.
23 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
24 element type size directly instead of computing it from alignment.
25 Fix variable naming and comment.
27 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
29 Backport from mainline
30 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
32 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
33 (alpha_pad_function_end): ... this. Also insert NOP between
34 sibling call and GP load.
35 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
37 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
39 Backport from mainline
40 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
41 H.J. Lu <hongjiu.lu@intel.com>
43 PR rtl-optimization/54157
44 * combine.c (gen_lowpart_for_combine): Don't return identity
45 for CONST or symbolic reference.
47 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
49 Backport from mainline
50 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
52 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
53 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
54 split_cost argument signed.
55 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
56 (ix86_avoid_lea_for_addr): Ditto.
58 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
60 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
61 the address has less than two components.
63 2012-08-02 Steve Ellcey <sellcey@mips.com>
65 Backport from mainline
66 2012-07-19 Steve Ellcey <sellcey@mips.com>
68 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
71 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
73 Backport from mainline
74 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
77 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
78 negative constant address for TARGET_X32 ...
79 (ix86_decompose_address): ... here. Reject constant addresses
80 that don't satisfy x86_64_immediate_operand predicate.
82 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
85 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
86 * config/i386/i386.c (ix86_print_operand_address): Ditto.
87 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
88 addresses. Prevent zero extensions of CONST_INT operands.
90 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
93 * config/i386/i386.md (*lea): New insn pattern.
95 (*lea<mode>_2): Ditto.
96 (*lea_{3,4,5,6}_zext): Ditto.
97 * config/i386/predicates.md (lea_address_operand): Do not reject
98 zero-extended address operands.
99 * config/i386/constraints.md (j): Remove address constraint.
100 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
102 (ix86_print_operand_address): Handle SImode subreg of an address.
103 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
105 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
107 Backport from mainline
108 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
111 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
112 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
114 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
115 (*movdi_internal_rex64): Use %E operand modifier for lea.
116 (*movsi_internal): Ditto.
118 (*lea<mode>_2): Ditto.
119 (*lea_{3,4,5,6}_zext): Ditto.
120 (*tls_global_dynamic_32_gnu): Ditto.
121 (*tls_global_dynamic_64): Ditto.
122 (*tls_dynamic_gnu2_lea_32): Ditto.
123 (*tls_dynamic_gnu2_lea_64): Ditto.
124 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
126 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
128 Backport from mainline
129 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
131 * config/i386/i386.c (ix86_address_subreg_operand): Reject
133 (ix86_print_operand_address): Assert that parts.base and parts.index
134 are non-NULL after call to simplify_subreg.
136 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
139 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
141 * config/sh/sh.c (sh_option_override): Do not change
142 flag_finite_math_only. Set TARGET_IEEE to complement of
143 flag_finite_math_only.
144 * doc/invoke.texi (SH options): Add mno-ieee. Correct
145 description of mieee and mno-ieee behavior.
147 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
150 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
153 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
155 Backport from mainline
156 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
158 PR rtl-optimization/52250
159 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
160 to put note list into. Unconditionally call move_bb_info.
161 (move_bb_info): Do not assert the blocks being in the same region,
162 just drop the note list if they are not.
164 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
166 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
168 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
170 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
171 defining statement is a SSA name that occurs in abnormal PHIs.
173 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
175 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
178 2012-07-19 Richard Guenther <rguenther@suse.de>
179 Eric Botcazou <ebotcazou@adacore.com>
181 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
182 about transition from invariant to known bits.
183 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
185 2012-07-19 Jakub Jelinek <jakub@redhat.com>
188 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
189 (cleanup_tree_cfg_bb): Don't call it.
190 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
193 2012-07-19 Christian Bruel <christian.bruel@st.com>
196 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
198 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
200 * config.gcc (v850-*-rtems*): New target.
201 * config/v850/rtems.h: New.
202 * config/v850/t-rtems: New.
204 2012-07-18 Nick Clifton <nickc@redhat.com>
206 * doc/invoke.texi (ARM Options): Document -munaligned-access.
208 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
212 Backport from mainline
213 2012-04-25 Jakub Jelinek <jakub@redhat.com>
216 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
217 instead expand it as zero extension.
219 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
221 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
222 QImode and HImode splitters. Use ix86_comparison_operator.
223 Explicitly match FLAGS_REG.
224 (DFmode cmove splitter): Explicitly match FLAGS_REG.
226 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
227 Steven Bosscher <steven@gcc.gnu.org>
228 Bernd Schmidt <bernds@codesourcery.com>
230 PR rtl-optimization/53908
231 * df-problems.c (can_move_insns_across): When doing
232 memory-reference book-keeping, handle call insns.
234 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
236 Backport from mainline
237 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
240 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
241 sibcall_insn_operand. Move it to a temporary register if not.
243 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
246 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
247 emit PIC sequence for fnaddr symbol reference in advance.
249 2012-07-09 Jason Merrill <jason@redhat.com>
252 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
253 (type_hash_eq): Likewise.
256 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
258 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
260 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
261 due to negative shift amount.
263 2012-07-06 Kai Tietz <ktietz@redhat.com>
265 Backport from mainline.
267 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
270 2012-07-06 Nick Clifton <nickc@redhat.com>
272 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
273 default_encode_section_info.
275 2012-07-06 Richard Guenther <rguenther@suse.de>
277 Backport from mainline
278 2012-03-30 Richard Guenther <rguenther@suse.de>
281 * double-int.c (rshift_double): Remove not needed cast.
283 2012-03-28 Richard Guenther <rguenther@suse.de>
286 * double-int.h (rshift_double): Remove.
287 * double-int.c (lshift_double): Use absu_hwi to make count
289 (rshift_double): Make static, take unsigned count argument,
290 remove handling of negative count argument.
291 (double_int_rshift): Dispatch to lshift_double.
293 2012-07-06 Richard Guenther <rguenther@suse.de>
295 Backport from mainline
296 2012-06-18 Richard Guenther <rguenther@suse.de>
298 PR tree-optimization/53693
299 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
300 Reject operands with more than one use.
302 2012-07-06 Richard Guenther <rguenther@suse.de>
304 Backport from mainline
305 2012-04-11 Richard Guenther <rguenther@suse.de>
308 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
309 consider loop nesting.
310 (evolution_function_is_univariate_p): Properly check the remainder
313 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
315 Backport from mainline
316 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
318 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
319 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
320 (adjacent_mem_locations): Move some code to and call...
321 (get_memref_parts): ...new function.
322 (mem_locations_overlap): New function.
323 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
324 (is_mem_ref): Rename to...
325 (find_mem_ref): ...this. Return MEM rtx.
326 (get_store_dest): Remove function.
327 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
328 new parameter and adjust calls.
329 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
330 mem refs overlap for true_store_to_load_dep_costly.
331 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
332 passed to adjacent_mem_locations.
333 (is_costly_group): Walk resolved dependency list.
334 (force_new_group): Emit group ending nop for Power6/Power7.
335 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
336 (group_ending_nop): New define_insn.
338 2012-07-04 Richard Guenther <rguenther@suse.de>
341 * gimple-fold.c (get_base_constructor): Do not return an
342 error_mark_node DECL_INITIAL.
344 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
346 Backport from mainline
347 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
349 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
350 code model string in the error message.
352 2012-07-04 Tristan Gingold <gingold@adacore.com>
354 Backport from mainline.
355 2012-06-25 Tristan Gingold <gingold@adacore.com>
357 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
358 (seh_cfa_adjust_cfa): ... that function.
359 (seh_emit_stackalloc): Do not emit out of range values.
360 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
361 UNSPEC_DEF_CFA constants.
362 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
363 * config/i386/i386.c (ix86_frame_pointer_required): Required
364 for very large frames on SEH target.
365 (ix86_compute_frame_layout): Save area is before frame pointer
366 on SEH target. Handle very large frames.
367 (ix86_expand_prologue): Likewise.
369 2012-07-04 Richard Guenther <rguenther@suse.de>
371 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
372 as in free_lang_data_in_type.
374 2012-07-02 Martin Jambor <mjambor@suse.cz>
376 Backport from mainline.
377 2012-07-02 Martin Jambor <mjambor@suse.cz>
380 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
381 dynamic type change check.
383 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
385 * tree-eh.c (lower_try_finally_switch): Really put the location of the
386 last statement of the finally block onto the switch.
388 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
390 * configure: Regenerate.
392 Backport from mainline.
393 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
395 * config.gcc (target_type_format_char): New. Document it. Set it for
397 * configure.ac (gnu_unique_option): Use target_type_format_char
398 in test. Comment rationale.
400 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
402 Backport from mainline.
403 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
405 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
407 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
409 Backport from 2012-06-28 mainline r189049
412 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
413 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
414 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
415 avr_hard_regno_call_part_clobbered.
417 2012-06-28 Richard Guenther <rguenther@suse.de>
420 * expr.c (expand_expr_real_1): Verify if the type is complete
421 before inspecting its size.
423 2012-06-27 Nick Clifton <nickc@redhat.com>
425 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
428 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
431 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
433 2012-06-26 Nick Clifton <nickc@redhat.com>
435 * config/rx/rx.md (simple_return): Use the simple_return rtx.
437 2012-06-25 Jakub Jelinek <jakub@redhat.com>
440 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
441 of x x x in the vmovlps load alternative.
443 2012-06-22 Richard Guenther <rguenther@suse.de>
445 * gcov-iov.c: Include bconfig.h and system.h.
447 2012-06-22 Richard Guenther <rguenther@suse.de>
449 PR gcov-profile/53744
450 * gcov-iov.c (main): Treat "" and "prerelease" the same.
452 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
454 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
455 DECL_IGNORED_P non-reg vars even if they are used.
457 2012-06-19 Jason Merrill <jason@redhat.com>
460 * dwarf2out.c (modified_type_die): Use scope_die_for.
461 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
462 (uses_local_type_r, uses_local_type): New.
463 (scope_die_for): Keep a type that uses a local type in local scope.
464 Use get_context_die for namespace and type scope.
466 2012-06-19 Richard Guenther <rguenther@suse.de>
469 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
470 replace it with the first non-BLOCK context.
472 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
474 PR rtl-optimization/53700
476 Backport from mainline
477 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
479 * ira-color.c (setup_left_conflict_sizes_p): Process all
482 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
484 Backport from mainline
485 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
488 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
489 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
490 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
491 instead of xop_mulv2div2di3_low.
492 (xop_p<macs>dql): Fix vec_select selector.
493 (xop_p<macs>dqh): Ditto.
494 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
495 (xop_mulv2div2di3_high): Ditto.
497 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
499 Backport from mainline:
500 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
502 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
504 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
506 Backport from mainline:
507 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
509 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
510 * config/pa/pa.c (pa_attr_length_millicode_call): Use
511 MAX_PCREL17F_OFFSET instead of fixed offset.
512 (pa_attr_length_call): Likewise.
513 (pa_attr_length_indirect_call): Likewise.
515 2012-06-15 Walter Lee <walt@tilera.com>
517 Backport from mainline:
518 2012-06-15 Walter Lee <walt@tilera.com>
520 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
522 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
524 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
526 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
528 Backport from mainline:
530 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
531 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
532 * gimple.h (block_in_transaction): Check for flag_tm.
534 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
536 PR tree-optimization/52558
538 Backport from mainline:
539 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
540 * gimple.h (gimple_set_in_transaction): Remove.
541 (gimple_in_transaction): Look in BB instead.
542 (gimple_statement_base): Remove in_transaction field.
543 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
544 * trans-mem.c (compute_transaction_bits): Place transaction bit
545 information into basic blocks.
547 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
549 PR tree-optimization/52558
550 * cfg.c (alloc_aux_for_edge): Fix comment.
551 (alloc_aux_for_edge): Remove static.
552 * basic-block.h (alloc_aux_for_edge): Protoize.
553 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
554 (execute_sm_if_changed_flag): New.
555 (execute_sm_if_changed_flag_set): New.
556 (execute_sm): Do not generate data races unless requested.
557 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
558 (tree_ssa_lim_finalize): Call free_aux_for_edges.
559 * gimple.h (block_in_transaction): New.
560 (gimple_in_transaction): Use block_in_transaction.
562 2012-06-14 Jakub Jelinek <jakub@redhat.com>
564 Backported from mainline
565 2012-06-12 Jakub Jelinek <jakub@redhat.com>
567 PR rtl-optimization/53589
568 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
569 discovery even when e->dest != target. If any LABEL_REF points
570 to e->dest label, redirect it to target's label.
572 2012-06-07 Jakub Jelinek <jakub@redhat.com>
575 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
576 returns false, replace stmt with GIMPLE_NOP.
577 (check_omp_nesting_restrictions): Instead of issuing warnings,
578 issue errors and return false if any errors were reported.
580 2012-06-14 Richard Guenther <rguenther@suse.de>
582 * BASE-VER: Set to 4.7.2.
583 * DEV-PHASE: Set to prerelease.
585 2012-06-12 Christian Bruel <christian.bruel@st.com>
588 * config/sh/sh.c (sh_option_override): Don't force
589 flag_omit_frame_pointer and maccumulate_outgoing_args.
590 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
592 2012-06-14 Release Manager
594 * GCC 4.7.1 released.
596 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
598 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
600 2012-06-13 Richard Henderson <rth@redhat.com>
602 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
603 iterator instead of INT.
605 2012-06-08 Richard Henderson <rth@redhat.com>
608 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
609 note to a clobber insn when no other insn is available.
611 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
614 * doc/invoke.texi (Wenum-compare): Update documentation.
616 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
619 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
621 (altivec_stvlxl): Ditto.
622 (altivec_stvrx): Ditto.
623 (altivec_stvrxl): Ditto.
625 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
628 * trans-mem.c (expand_block_edges): Do not skip the first
629 statement when resetting the BB.
631 2012-06-04 Richard Guenther <rguenther@suse.de>
634 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
635 create new assembler names.
637 2012-06-04 Richard Guenther <rguenther@suse.de>
639 Backport from mainline
640 2012-04-25 Jakub Jelinek <jakub@redhat.com>
643 * stor-layout.c (get_best_mode): Don't return mode with bitsize
644 larger than maxbits. Don't compute maxbits modulo align.
645 Also check that unit bytes long store at bitpos / unit * unit
646 doesn't affect bits beyond bitregion_end.
647 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
648 would not fit into bitregion_start ... bitregion_end + 1 bit
650 (store_split_bit_field): Decrease unit close to end of bitregion_end
651 if access is restricted in order to avoid mutual recursion.
653 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
655 Backport from 2012-06-04 mainline r188172
658 * config/avr/avr-stdint.h: New file.
659 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
662 2012-06-04 Jakub Jelinek <jakub@redhat.com>
664 PR tree-optimization/53550
665 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
666 is POINTER_TYPE_P, use sizetype as step type instead of type.
668 2012-06-04 Richard Guenther <rguenther@suse.de>
669 Eric Botcazou <ebotcazou@adacore.com>
671 Backport from mainline
672 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
674 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
675 Change type of BITOFFSET to signed. Make sure the lower bound of
676 the computed range is non-negative by adjusting OFFSET and BITPOS.
677 (expand_assignment): Adjust call to get_bit_range.
679 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
681 * expr.c (get_bit_range): Return the null range if the enclosing record
682 is part of a larger bit field.
684 2012-03-20 Richard Guenther <rguenther@suse.de>
686 * stor-layout.c (finish_bitfield_representative): Fallback
687 to conservative maximum size if the padding up to the next
688 field cannot be computed as a constant.
689 (finish_bitfield_layout): If we cannot compute the distance
690 between the start of the bitfield representative and the
691 bitfield member start a new representative.
692 * expr.c (get_bit_range): The distance between the start of
693 the bitfield representative and the bitfield member is zero
694 if the field offsets are not constants.
696 2012-03-16 Richard Guenther <rguenther@suse.de>
698 * stor-layout.c (finish_bitfield_representative): Fall back
699 to the conservative maximum size if we cannot compute the
700 size of the tail padding.
702 2012-03-14 Richard Guenther <rguenther@suse.de>
704 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
705 * stor-layout.c (start_bitfield_representative): New function.
706 (finish_bitfield_representative): Likewise.
707 (finish_bitfield_layout): Likewise.
708 (finish_record_layout): Call finish_bitfield_layout.
709 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
710 for QUAL_UNION_TYPE fields.
711 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
712 Stream DECL_BIT_FIELD_REPRESENTATIVE.
713 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
718 * expr.c (get_bit_range): Unconditionally extract bitrange
719 from DECL_BIT_FIELD_REPRESENTATIVE.
720 (expand_assignment): Adjust call to get_bit_range.
722 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
725 * fold-const.c (fold_binary_loc): Refine previous change.
727 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
729 Backport from mainline
730 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
733 * config/sh/sh.c (find_barrier): Add equality check of last_got to
734 avoid going above orig insn. Update comments.
736 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
738 Backport from mainline
739 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
742 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
743 prologue for unwinder and profiler.
745 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
747 Backport from mainline
748 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
750 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
752 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
754 Backport from mainline
755 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
757 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
760 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
762 Backport from mainline
763 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
765 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
766 operand is CONST_INT. Take COSTS_N_INSNS into account.
767 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
770 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
772 * config/avr/avr.opt (-msp8): Document it.
773 * doc/invoke.texi (AVR Options): Copy from trunk docu.
775 2012-05-31 Richard Guenther <rguenther@suse.de>
778 * expr.c (expand_assignment): Do not use movmisalign on
781 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
784 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
785 (pa_section_type_flags): New.
786 (pa_legitimate_constant_p): Revert previous change.
788 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
790 Backport from mainline
791 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
794 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
796 (ipa_tm_create_version): Same.
798 2012-05-30 Jason Merrill <jason@redhat.com>
801 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
802 about array compound literals.
804 2012-05-30 Richard Guenther <rguenther@suse.de>
807 * fold-const.c (fold_binary_loc): Make sure to call
808 fold_plusminus_mult_expr with the original sign of operands.
810 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
812 * explow.c (probe_stack_range): Restore simple control flow and stop
813 again when the probe cannot be generated if HAVE_check_stack.
815 2012-05-30 Jakub Jelinek <jakub@redhat.com>
817 PR rtl-optimization/53519
818 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
819 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
821 2012-05-29 Richard Guenther <rguenther@suse.de>
823 PR tree-optimization/53516
824 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
826 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
828 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
830 Backport from mainline
831 2012-05-28 Richard Guenther <rguenther@suse.de>
833 PR tree-optimization/53438
834 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
836 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
838 Backport from mainline
839 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
841 PR rtl-optimization/52528
842 * combine.c (can_combine_p): Add setting of subst_low_luid
843 before call to expand_field_assignment().
845 2012-05-26 Martin Jambor <mjambor@suse.cz>
847 Backport from mainline
848 2012-05-23 Martin Jambor <mjambor@suse.cz>
850 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
852 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
855 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
856 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
858 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
861 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
862 (ix86_expand_vec_perm): Use int mode instead of float.
864 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
867 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
868 gnu_ld variables to yes.
869 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
870 (HAVE_GNU_AS): Likewise.
871 * config.in: Regenerate.
872 * configure: Likewise.
874 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
876 Backport from mainline
877 2012-03-12 Richard Guenther <rguenther@suse.de>
878 * config/arm/arm.c (neon_dereference_pointer): Do not call
879 covert during RTL expansion.
881 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
883 Backport from mainline
884 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
887 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
888 relied on signed overflow behavior.
890 2012-05-24 Richard Guenther <rguenther@suse.de>
893 * tree-profile.c (tree_profiling): Cleanup the CFG if
894 execute_fixup_cfg requests it.
896 2012-05-24 Jakub Jelinek <jakub@redhat.com>
898 PR tree-optimization/53465
899 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
900 vr0 into *vr, then vrp_meet that.
901 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
902 have any equivalences.
903 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
906 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
908 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
910 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
911 (iterative_hash_gimple_type): Adjust comment.
912 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
913 domain for an array type instead of the domain type itself.
915 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
917 Backport from 2012-05-23 mainline r187803
920 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
921 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
924 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
926 Backport from 2012-05-03 mainline r187075
928 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
929 has_fma4 for AMD processors with both fma3 and fma4 support.
931 2012-05-22 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/53408
934 * tree-vect-loop.c (vectorizable_induction): Properly check
935 the restriction that we cannot handle induction results from
936 the inner loop outside of the outer loop.
938 2012-05-21 Jakub Jelinek <jakub@redhat.com>
940 PR tree-optimization/53436
941 * omp-low.c (omp_build_component_ref): New function.
942 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
944 PR tree-optimization/53366
945 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
946 tests if complex_numbers == 2, but there are non-complex number loads
949 PR tree-optimization/53409
950 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
951 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
953 PR tree-optimization/53410
954 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
955 instead of build_int_cst (type, 0) where vector types might be
958 2012-05-21 Joseph Myers <joseph@codesourcery.com>
961 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
962 from folded operands before wrapping another around the
963 conditional expression.
965 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
966 Patrick Marlier <patrick.marlier@gmail.com>
968 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
971 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
973 Backport from mainline
974 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
977 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
978 (UNSPECV_RDRAND): This.
979 (rdrand<mode>_1): Updated.
981 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
983 Backport from mainline
984 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
986 * config/i386/driver-i386.c (host_detect_local_cpu): Support
987 RDRND, F16C and FSGSBASE.
989 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
991 Backport from mainline
992 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
994 * tree-ssa-pre.c (can_value_number_call): Delete.
995 (compute_avail): Skip all statements with side effects.
996 <GIMPLE_CALL>: Skip calls to internal functions.
998 2012-05-18 David S. Miller <davem@davemloft.net>
1000 Backport r185385 from mainline
1001 2012-03-14 Richard Guenther <rguenther@suse.de>
1004 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1005 element type instead of mode, use build_vector_type_for_mode
1006 instead of the langhook, build a vector of proper signedness.
1007 (expand_vector_operations_1): Adjust.
1009 2012-05-18 Olivier Hainque <hainque@adacore.com>
1011 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1012 $(libsubdir) as libexecsubdir.
1014 2012-05-16 Andrew Pinski <apinski@cavium.com>
1016 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1019 2012-05-16 David S. Miller <davem@davemloft.net>
1021 * jump.c (delete_related_insns): If we remove a CALL, make sure
1022 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1024 2012-05-16 Richard Henderson <rth@redhat.com>
1027 * combine-stack-adj.c (prev_active_insn_bb): New.
1028 (next_active_insn_bb): New.
1029 (force_move_args_size_note): New.
1030 (combine_stack_adjustments_for_block): Use it.
1032 2012-05-16 Olivier Hainque <hainque@adacore.com>
1034 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1035 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1036 Add comments and improve stamp preservation across the whole sequence.
1037 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1039 2012-05-16 Richard Guenther <rguenther@suse.de>
1041 PR tree-optimization/53364
1042 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1043 detect a view-conversion of the decl.
1045 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1048 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1049 that operands[2] is either immediate, or q_regs_operand.
1051 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1053 Backport r187139 from mainline.
1054 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1056 PR rtl-optimization/52804
1057 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1058 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1059 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1060 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1061 RELOAD_FOR_OUTADDR_ADDRESS.
1063 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1066 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1067 generate target register for "load" class builtins.
1070 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1073 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1074 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1075 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1076 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1077 (<sse>_movu<ssemodesuffix>): New expander.
1078 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1079 (avx_movdqu<avxmodesuffix>): New expander.
1080 (*sse2_movdqu): Rename from sse2_movdqu.
1081 (sse2_movdqu): New expander.
1083 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1085 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1086 lineno 1 the same as lineno 0 before first start file directive.
1087 (optimize_macinfo_range): Likewise.
1089 * dwarf2out.c (have_macinfo): Define.
1090 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1091 attribute, don't force empty compilation unit and don't emit any
1092 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1094 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1096 Backport from mainline
1097 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1099 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1100 ORDERED and UNORDERED conditions.
1102 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1104 * function.c (requires_stack_frame_p): If the function can throw
1105 non-call exceptions, return true if the insn can throw internally.
1107 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1109 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1110 DECL_ORIGINAL_TYPE if it is present.
1112 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1114 Backport from 2012-05-12 mainline r187342.
1117 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1118 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1119 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1120 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1121 (expand_prologue): Move initialization of cfun->machine->is_naked,
1122 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1123 (avr_set_current_function): ...this new static function.
1124 (TARGET_SET_CURRENT_FUNCTION): New define.
1125 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1126 checking attributes of current_function_decl.
1127 (avr_regs_to_save): Ditto.
1128 (signal_function_p): Rename to avr_signal_function_p.
1129 (interrupt_function_p): Rename to avr_interrupt_function_p.
1131 * doc/extend.texi (Function Attributes): Better explanation of
1132 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1135 2012-05-09 Matthias Klose <doko@ubuntu.com>
1137 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1139 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1142 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1143 when a constant source operand matches an "I" constraint, the "no
1144 CC0 change" applies to a register-destination only, not a
1145 strict_low_part-destination.
1147 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1149 Backport from mainline:
1150 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1152 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1154 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1156 PR tree-optimization/53239
1157 * tree-vrp.c (get_value_range): Set VR of
1158 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1161 2012-05-07 Richard Guenther <rguenther@suse.de>
1163 PR tree-optimization/53195
1164 * tree-inline.c (setup_one_parameter): Properly add referenced
1165 vars from the parameters new known value.
1167 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1169 Backport from mainline:
1170 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1173 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1176 2012-05-04 Ian Lance Taylor <iant@google.com>
1178 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1179 values from false to NULL.
1181 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1183 Backport from mainline
1184 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1187 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1188 (TARGET_CMOV): Rename from TARGET_CMOVE.
1189 (TARGET_CMOVE): New define.
1190 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1191 Do not set TARGET_CMOVE here.
1193 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1195 Backport from mainline:
1197 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1199 PR tree-optimization/52633
1200 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1201 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1202 (vect_recog_over_widening_pattern): Remove handling of code that was
1203 already detected as over-widening pattern. Remove special handling
1204 of "unsigned" cases. Instead, support general case of conversion
1205 of the shift result to another type.
1207 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1209 * tree-vect-patterns.c (vect_single_imm_use): New function.
1210 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1211 (vect_recog_over_widening_pattern): Likewise.
1212 (vect_recog_widen_shift_pattern): Likewise.
1214 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1216 PR tree-optimization/52870
1217 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1218 presumed pattern statement is within the same loop or basic block.
1220 2012-05-04 Richard Guenther <rguenther@suse.de>
1222 * common.opt (flto-report): Do not mark as Optimization.
1224 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1227 * recog.c (constrain_operands): If extra constraints are present, also
1228 accept pseudo-registers with equivalent memory locations during reload.
1230 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1232 Backport from the mainline
1233 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1236 * config/rs6000/rs6000.md (bswapdi splitters): If
1237 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1238 default) is used, generate an alternate sequence that does not
1239 depend on using indexed addressing.
1241 2012-05-03 David S. Miller <davem@davemloft.net>
1244 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1245 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1246 (sparc_emit_float_lib_cmp): Likewise.
1248 2012-05-04 Martin Jambor <mjambor@suse.cz>
1250 Backport from mainline
1251 2012-05-02 Martin Jambor <mjambor@suse.cz>
1254 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1255 of a variable when the contect is a function.
1257 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1260 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1261 append program name to it and pass that as first argument
1262 to make_relative_prefix. Always pass standard_libexec_prefix
1263 as last argument to make_relative_prefix. If
1264 make_relative_prefix returns NULL, fall back to
1265 standard_libexec_prefix.
1268 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1272 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1273 mode, return that mode.
1275 2012-05-03 Richard Guenther <rguenther@suse.de>
1277 PR tree-optimization/53144
1278 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1280 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1281 with SSA name values.
1282 (vn_reference_lookup_3): Adjust callers.
1284 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1286 PR tree-optimization/53163
1287 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1288 return value from compute_all_dependences.
1290 PR rtl-optimization/53160
1291 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1292 has been modified by ree pass already.
1294 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1296 Backport from mainline
1297 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1300 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1301 calls to cgraph_node_name in xstrdup.
1302 (ipa_make_edge_direct_to_target): Ditto.
1303 * tree-sra.c (convert_callers_for_node): Ditto.
1304 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1305 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1306 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1307 (cgraph_materialize_all_clones): Ditto.
1308 * ipa-inline.c (report_inline_failed_reason): Ditto.
1309 (want_early_inline_function_p): Ditto.
1310 (edge_badness): Ditto.
1311 (update_edge_key): Ditto.
1312 (flatten_function): Ditto.
1313 (ipa_inline): Ditto.
1314 (inline_always_inline_functions): Ditto.
1315 (early_inline_small_functions): Ditto.
1317 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1319 Backport from mainline
1320 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1322 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1323 Introduce emul_name to select the right linker emulation for
1324 powerpc64-*-freebsd*.
1325 * configure: Regenerate.
1326 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1327 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1328 * config/rs6000/freebsd64.h: New file.
1329 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1331 (rs6000_savres_strategy): Likewise.
1332 (rs6000_savres_routine_name): Likewise.
1333 (rs6000_elf_file_end): Likewise.
1334 * config/rs6000/t-freebsd64: New file.
1335 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1336 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1338 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1340 Backport from mainline
1341 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1344 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1346 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1348 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1349 predicate to discriminate types.
1351 2012-04-27 Richard Guenther <rguenther@suse.de>
1354 * convert.c (convert_to_integer): Avoid infinite recursion for
1355 target-defined built-in types.
1357 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1360 * config/cris/cris.md ("*andhi_lowpart_v32")
1361 ("*andqi_lowpart_v32"): Change first input-only operand from
1362 a (match_operand ...) to (match_dup 0). Drop alternatives with
1363 const_int-matching constraints for redundancy.
1364 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1365 three-operand alternative.
1367 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1369 Backport from mainline
1370 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1372 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1373 (*addsi_2_zext): Ditto.
1374 (*add<mode>_3): Ditto.
1375 (*addsi_3_zext): Ditto.
1376 (*add<mode>_5): Ditto.
1378 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1381 * c-typeck.c (set_nonincremental_init,
1382 set_nonincremental_init_from_string): Pass true instead of false
1383 as IMPLICIT to add_pending_init.
1385 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1387 Backport from 2012-04-24 mainline r186768.
1390 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1392 2012-04-24 Richard Guenther <rguenther@suse.de>
1394 PR tree-optimization/53085
1395 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1398 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1401 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1403 (output_addressed_constants): Likewise.
1406 * varasm.c (get_section): Don't ICE for section conflicts with
1407 built-in section kinds.
1409 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1411 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1413 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1415 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1417 2012-04-23 Richard Guenther <rguenther@suse.de>
1420 * c-typeck.c (build_binary_op): Fix typo.
1422 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1424 PR tree-optimizations/52891
1425 * tree-vect-patterns.c (adjust_bool_pattern): Use
1426 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1427 but with non-standard precision.
1429 2012-04-22 Ian Lance Taylor <iant@google.com>
1431 * godump.c (go_output_typedef): Dump size of structs.
1433 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1435 Backport from mainline:
1437 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1438 hints for 'A' operand types.
1440 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1442 Backport from 2012-04-19 mainline r186588.
1445 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1446 the case *(X+const).
1448 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1450 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1452 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1455 * config/i386/sync.md (atomic_<code><mode>): Rename to
1456 atomic_<logic><mode>.
1458 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1460 Backport from mainline
1461 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1464 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1465 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1466 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1467 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1468 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1469 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1470 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1471 gen_avx2_permvarv8sf.
1473 2012-04-16 Martin Jambor <mjambor@suse.cz>
1475 Backported from mainline
1477 2012-04-13 Martin Jambor <mjambor@suse.cz>
1480 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1481 fold_ctor_reference returns a zero constant.
1483 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1485 Backported from mainline
1486 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1488 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1489 and __ILP32__ for x32.
1491 2012-04-13 Tom de Vries <tom@codesourcery.com>
1493 Backport from mainline r186418.
1495 2012-04-13 Tom de Vries <tom@codesourcery.com>
1497 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1498 parameters vuse and vuse_escaped.
1499 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1500 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1503 2012-04-13 Richard Guenther <rguenther@suse.de>
1505 PR tree-optimization/52969
1506 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1507 the condition for the COND_EXPR and handle predicate negation
1508 by swapping the COND_EXPR arms.
1510 2012-04-13 Richard Guenther <rguenther@suse.de>
1513 * convert.c (convert_to_pointer): Remove special-casing of
1516 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1518 Backport from mainline
1519 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1522 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1523 the list of options to enable the FCFID instruction.
1524 (TARGET_EXTRA_BUILTINS): Adjust comment.
1526 2012-04-12 Richard Guenther <rguenther@suse.de>
1528 PR tree-optimization/52943
1529 * tree-chrec.h (chrec_is_positive): Remove.
1530 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1531 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1532 Return false for a constant zero instead of negative.
1533 (analyze_siv_subscript_cst_affine): Handle zero difference
1534 in the initial condition explicitely.
1536 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1539 * varasm.c (process_pending_assemble_externals): Set
1540 pending_assemble_externals_processed true.
1541 (assemble_external): Call assemble_external_real if the pending
1542 assemble externals have been processed.
1544 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1547 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1548 the DECL generated for the special GOT helper.
1550 2012-04-06 Walter Lee <walt@tilera.com>
1552 Backport from mainline
1553 2012-03-07 Walter Lee <walt@tilera.com>
1555 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1556 REG_CFA_* notes for the stack pointer.
1557 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1558 EH_RETURN_STACKADJ_RTX.
1559 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1560 generate REG_CFA_* notes for the stack pointer.
1561 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1562 by EH_RETURN_STACKADJ_RTX.
1564 2012-04-06 Matt Turner <mattst88@gmail.com>
1566 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1568 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1570 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1571 of the destination isn't also a FP_REGS register.
1573 2012-04-03 Richard Guenther <rguenther@suse.de>
1575 Backport from mainline
1576 2012-03-02 Richard Guenther <rguenther@suse.de>
1578 PR tree-optimization/52406
1579 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1580 (struct indices): Add unconstrained_base member.
1581 (struct dr_alias): Remove unused vops member.
1582 (DR_UNCONSTRAINED_BASE): New define.
1583 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1584 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1585 be an artificial access that covers the whole indexed object,
1586 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1587 plain decl base-objects to their MEM_REF variant.
1588 (dr_may_alias_p): When the base-object of either data reference
1589 has unknown size use only points-to information.
1590 (compute_affine_dependence): Make dumps easier to read and
1592 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1593 DR_REF when looking for packed references.
1594 (vect_supportable_dr_alignment): Likewise.
1596 2012-04-03 Richard Guenther <rguenther@suse.de>
1598 Backport from mainline
1599 2012-03-15 Richard Guenther <rguenther@suse.de>
1602 * tree-data-ref.c (subscript_dependence_tester_1): Check
1603 all dimensions for non-conflicting access functions.
1605 2012-04-03 Richard Guenther <rguenther@suse.de>
1607 Backport from mainline
1608 2012-03-06 Richard Guenther <rguenther@suse.de>
1611 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1613 2012-03-23 Richard Guenther <rguenther@suse.de>
1615 PR tree-optimization/52678
1616 * tree-vectorizer.h (struct _stmt_vec_info): Add
1617 loop_phi_evolution_part member.
1618 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1619 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1620 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1621 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1622 Use the cached evolution part and the PHI nodes value from
1623 the loop preheader edge instead of re-analyzing the evolution.
1625 2012-03-26 Richard Guenther <rguenther@suse.de>
1627 PR tree-optimization/52701
1628 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1629 compute and set the evolution part of PHI nodes.
1631 2012-03-30 Richard Guenther <rguenther@suse.de>
1633 PR tree-optimization/52754
1634 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1635 propagate arbitrary addresses into really plain dereferences.
1637 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1639 PR tree-optimization/52835
1640 * tree-data-ref.c (build_rdg): Return NULL if
1641 compute_data_dependences_for_loop failed.
1643 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1645 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1646 (stmt_can_make_abnormal_goto): Use it.
1647 (is_ctrl_altering_stmt): Likewise.
1649 2012-03-31 Martin Jambor <mjambor@suse.cz>
1651 Backported from mainline
1652 2012-03-30 Martin Jambor <mjambor@suse.cz>
1654 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1655 is a builtin_stack_save in a dominating BB.
1657 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1659 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1660 crossing 128bit lane boundary.
1662 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1664 Backported from mainline
1665 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1668 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1670 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1671 * config/i386/i386.c: Include reload.h.
1672 (ix86_legitimize_reload_address): New function.
1674 2012-03-28 Martin Jambor <mjambor@suse.cz>
1676 Backported from mainline
1677 2012-03-27 Martin Jambor <mjambor@suse.cz>
1680 * tree-sra.c (sra_modify_assign): Do not call
1681 load_assign_lhs_subreplacements when working with an unscalarizable
1684 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1687 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1688 __builtin_va_start to __builtin_next_arg if the latter is
1689 builtin_decl_explicit_p rather than when it is not.
1692 * tree-vect-generic.c (vector_element): Perform multiplication
1693 for pos in bitsizetype type instead of idx type.
1695 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1697 Backport from 2012-03-28 mainline r185910.
1700 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1701 (avr_builtin_decl): New static function.
1702 (struct avr_builtin_description, avr_bdesc): Move up.
1703 Add GTY marker. Add field fndecl. Remove redundant field id.
1704 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1705 (avr_expand_builtin): Code cleanup because .id is removed.
1707 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1710 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1713 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1715 Backport from 2012-03-28 mainline r185907.
1718 * config.gcc (tm_file): Remove avr/multilib.h.
1720 * doc/invoke.texi (AVR Options): Adjust
1721 documentation of -mtiny-stack.
1723 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1724 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1725 * config/avr/t-avr: Remove generation of multilib.h.
1726 * config/avr/t-multilib: Regenerate.
1727 * config/avr/multilib.h: Remove.
1728 * config/avr/avr.opt (-msp8): New option.
1729 (avr_sp8): New variable.
1730 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1731 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1732 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1733 (avr_device_to_sp8): New prototype.
1734 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1735 (DRIVER_SELF_SPECS): New define.
1736 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1737 __AVR_SP8__, __AVR_HAVE_SPH__.
1738 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1739 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1740 (avr_file_start): Ditto.
1742 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1745 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1746 instead of 8 in adjust_address.
1748 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1750 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1751 of a unit before computing the offset in units.
1753 2012-03-27 Richard Guenther <rguenther@suse.de>
1756 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1759 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1762 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1764 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1767 * varasm.c: Include pointer-set.h.
1768 (pending_assemble_externals_set): New pointer set.
1769 (process_pending_assemble_externals): Destroy the pointer set.
1770 (assemble_external): See if decl is in pending_assemble_externals_set,
1771 and add it to pending_assemble_externals if necessary.
1772 (init_varasm_once): Allocate pending_assemble_externals_set.
1774 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1776 Backported from mainline
1777 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1780 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1781 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1782 (vector_ltgt<mode>): Likewise.
1783 (vector_ordered<mode>): Likewise.
1784 (vector_unordered<mode>): Likewise.
1785 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1787 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1789 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1792 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1794 Backported from mainline
1795 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1799 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1800 GENERAL_REGS and FP_REGS for SImode.
1802 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1805 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1806 on any new_local_var_chain vars declared during recursing on
1807 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1809 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1811 Backport from 2012-03-22 mainline r185692.
1814 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1815 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1816 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1817 (delay_cycles_1, delay_cycles_2): Ditto.
1818 (delay_cycles_3, delay_cycles_4): Ditto.
1819 (nopv, *nopv): Ditto.
1820 (sleep, *sleep): Ditto.
1823 Backport from 2012-03-21 mainline r185605.
1825 PR rtl-optimization/52543
1827 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1828 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1829 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1830 (avr_load_libgcc_p): Restrict to __flash loads.
1831 (avr_out_lpm): Only handle 1-byte loads from __flash.
1832 (avr_load_lpm): New function.
1833 (avr_find_unused_d_reg): Remove.
1834 (avr_out_lpm_no_lpmx): Remove.
1835 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1836 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1837 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1838 (load_<mode>, load_<mode>_clobber): New insns.
1839 (mov<mode>): For multi-byte move from non-generic
1840 16-bit address spaces: Expand to load_<mode> resp.
1841 load_<mode>_clobber.
1842 (load<mode>_libgcc): Remove expander.
1843 (split-lpmx): Remove split.
1845 Backport from 2012-03-13 mainline r185329.
1848 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1849 offset (size) to a value the insns can deal with.
1850 (expand_epilogue): Ditto.
1852 Backport from 2012-03-12 mainline r185256.
1855 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1856 type from reg_class_t to enum reg_class.
1857 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1859 Backport from 2012-03-12 mainline r185253.
1862 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1863 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1864 r184615 from 2012-02-28.
1866 Backport from 2012-03-08 mainline r185105.
1868 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1869 for constants in [-63,63].
1871 Backport from 2012-03-08 mainline r185100.
1874 * config/avr/avr.c (avr_mem_clobber): New static function.
1875 (avr_expand_delay_cycles): Add memory clobber operand to
1876 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1877 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1878 (enable_interrupt, disable_interrupt): New expander.
1879 (nopv, sleep, wdr): New expanders.
1880 (delay_cycles_1): Add memory clobber.
1881 (delay_cycles_2): Add memory clobber.
1882 (delay_cycles_3): Add memory clobber.
1883 (delay_cycles_4): Add memory clobber.
1884 (cli_sei): New insn from former "enable_interrupt",
1885 "disable_interrupt" with memory clobber.
1886 (*wdt): New insn from former "wdt" with memory clobber.
1887 (*nopv): Similar, but for "nopv".
1888 (*sleep): Similar, but for "sleep".
1890 Backport from 2012-03-07 mainline r185043.
1893 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1895 Backport from 2012-03-07 mainline r185032.
1898 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1899 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1900 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1902 Backport from 2012-03-07 mainline r185031.
1905 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1907 * config/avr/avr.md (xload_8): Adjust insn length.
1909 Backport from 2012-03-07 mainline r185030.
1912 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1913 if RAMPZ affects reading from RAM.
1915 Backport from 2012-03-05 mainline r184919.
1917 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1919 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1921 Backport from mainline r185259.
1924 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1925 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1927 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1929 Backported from mainline
1930 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1933 * c-parser.c (c_parser_postfix_expression)
1934 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1936 * config/i386/smmintrin.h: Avoid /* within a comment.
1937 * config/i386/nmmintrin.h: Likewise.
1939 2012-03-22 Richard Guenther <rguenther@suse.de>
1941 * BASE-VER: Set to 4.7.1.
1942 * DEV-PHASE: Set to prerelease.
1944 2012-03-22 Release Manager
1946 * GCC 4.7.0 released.
1948 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1950 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1952 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1953 Andrew Pinski <apinski@cavium.com>
1956 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1957 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1958 calls instead of __builtin_ir{int,ound}*.
1960 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1963 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1966 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1968 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1969 Refer to GCC 4.7 version of c99status.html.
1971 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1973 Backport from mainline
1974 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1976 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1977 redefine to be NULL if the current bit-size is different from the
1978 configured bit-size.
1980 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1981 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1982 set the default tuning. Add asserts to make sure the cpu and tune
1983 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1984 test whether the index is set, instead of > 0.
1985 (rs6000_file_start): Do not reset the default cpu if the current
1986 bit-size is different from the configured bit-size.
1988 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1990 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1992 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1993 Update binutils references.
1994 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1995 Update binutils reference.
1996 Update Sun as/GNU ld caveat.
1997 Document binutils largefile requirement for LTO plugin.
1998 Remove reference to alternate libpthread.
2000 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2002 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2004 (Specific, mips-sgi-irix6): Likewise.
2006 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2008 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2009 * configure: Regenerate.
2011 2012-03-07 Richard Henderson <rth@redhat.com>
2013 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2014 * config/m68k/sync.md (atomic_test_and_set): Use it.
2015 (atomic_test_and_set_1): Likewise.
2017 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2020 * Makefile.in: Let install-gcc-ar depend on installdirs,
2021 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2022 Don't double canonicalize if cross-compiling.
2024 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2026 * trans-mem.c: New typedef for tm_region_p.
2027 Define vector types for tm_region_p.
2028 (tm_region_init): Replace region_worklist to a vector called
2031 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2034 * trans-mem.c (tm_region_init): Use last_basic_block.
2036 2012-03-05 Richard Henderson <rth@redhat.com>
2039 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2040 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2041 BIGGEST_ALIGNMENT is aligned.
2043 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2045 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2047 2012-03-05 Richard Henderson <rth@redhat.com>
2050 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2051 instead of calling negqi2 directly.
2053 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2055 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2056 (INTMAX_TYPE): Use it.
2057 (UINTMAX_TYPE): Likewise.
2058 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2059 (irix6_c_common_override_options): Declare.
2060 (C_COMMON_OVERRIDE_OPTIONS): Define.
2061 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2062 * config/mips/irix6-c.c: New file.
2063 * config/mips/t-irix6 (irix6-c.o): New target.
2064 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2067 2012-03-02 Richard Henderson <rth@redhat.com>
2069 * optabs.c (expand_atomic_test_and_set): Honor
2070 atomic_test_and_set_trueval even when atomic_test_and_set
2071 optab is not in use.
2073 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2075 Backport from mainline
2076 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2078 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2080 2012-03-02 Richard Guenther <rguenther@suse.de>
2082 * DEV-PHASE: Set to prerelease.
2084 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2086 * config.gcc (obsolete): Add all ARM targets using the FPA.
2087 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2088 * doc/install.texi: Avoid references to obsolete ARM ports.
2090 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2092 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2094 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2095 Joern Rennecke <joern.rennecke@embecosm.com>
2097 * doc/extend.texi: Expand and update information on interrupt
2098 attribute for Epiphany.
2100 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2102 * config/sh/sh-protos.h: Update copyright notice dates.
2103 * config/sh/sh.h: Likewise.
2104 * config/sh/sh.md: Likewise.
2105 * config/sh/constraints.md: Likewise.
2106 * config/sh/predicates.md: Likewise.
2108 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2110 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2111 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2113 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2115 * config/sh/constraints.md: Fix comment typo.
2117 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2120 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2121 unsigned HOST_WIDE_INT.
2122 (zvdep_imm64): Likewise.
2123 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2124 (vdepi_and): Likewise.
2125 Likewise for unamed 64-bit patterns.
2126 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2128 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2131 PR rtl-optimization/52417
2132 * cselib.c (cselib_any_perm_equivs): New variable.
2133 (cselib_reset_table): Check that it's not set when not
2134 preserving constants.
2135 (cselib_add_permanent_equiv): Set it.
2136 (cselib_have_permanent_equivalences): New.
2137 (cselib_init, cselib_finish): Reset it.
2138 * cselib.h (cselib_have_permanent_equivalences): Declare.
2139 * alias.c (get_addr): Restore earlier behavior when there
2140 aren't permanent equivalences.
2142 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2144 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2145 * config/v850/v850-modes.def: Fix copyright notice.
2147 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2149 * doc/extend.texi (AVR Built-in Functions): Document
2150 __builtin_avr_flash_segment.
2152 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2153 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2154 (*split.flash_segment): New insn-and-split.
2155 * config/avr/avr.c (avr_init_builtins): Add local variables:
2156 const_memx_void_node, const_memx_ptr_type_node,
2157 char_ftype_const_memx_ptr.
2159 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2161 PR tree-optimization/52445
2162 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2163 add ssa_name_ver, offset and size fields and change store field
2165 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2166 (add_or_mark_expr): Likewise. Only consider previous stores
2167 with the same size and offset.
2168 (nt_init_block): Only look at gimple_assign_single_p stmts,
2169 doesn't look at rhs2.
2171 2012-03-01 Richard Guenther <rguenther@suse.de>
2174 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2175 conversions from integral types to pointer types.
2177 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2179 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2180 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2181 unintentionally removed in r184616.
2183 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2185 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2188 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2189 Uros Bizjak <ubizjak@gmail.com>
2192 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2193 alternatives, add "e" constraint to the new last alternative
2194 and ! to last 3 alternatives.
2196 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2198 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2199 DW_AT_artificial attributes at the end of the processing.
2200 (gen_array_type_die): Likewise.
2201 (gen_enumeration_type_die): Likewise.
2202 (gen_struct_or_union_type_die): Likewise.
2203 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2206 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2209 * expr.c (expand_assignment): If doing misaligned store that doesn't
2210 cover all mode bits, perform a RMW cycle.
2212 PR tree-optimization/52429
2213 * tree-parloops.c (separate_decls_in_region_debug): Return early
2214 if var is LABEL_DECL.
2216 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2218 PR tree-optimization/52424
2219 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2220 calling dom_thread_across_edge.
2222 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2224 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2226 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2228 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2229 * config/avr/avr.c (avr_output_bld): Remove unused function.
2230 (avr_out_sbxx_branch): Use "%T" to print bit position.
2232 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2234 * config/avr/avr.md: Untabify.
2236 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2238 * config/avr/avr.md (eqne): New code iterator.
2239 (*dec-and-branchsi): Use it in text peephole's condition.
2240 (*dec-and-branchhi): Ditto.
2241 (*dec-and-branchqi): Ditto.
2243 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2246 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2247 the device does not have the skip-bug.
2249 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2251 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2252 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2253 -mpretend-cmove): New.
2255 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2258 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2259 doesn't count DEBUG_INSN refs.
2260 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2261 for DEBUG_INSN refs.
2263 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2267 2012-02-20 Richard Guenther <rguenther@suse.de>
2268 PR tree-optimization/52298
2269 * tree-vect-stmts.c (vectorizable_load): Properly use
2270 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2273 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2276 * gimple.h (gimple_in_transaction): New.
2277 (gimple_set_in_transaction): New.
2278 (struct gimple_statement_base): Add in_transaction field.
2279 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2281 (tree_ssa_lim_initialize): Compute transaction bits.
2282 * tree.h (compute_transaction_bits): Protoize.
2283 * trans-mem.c (tm_region_init): Use the heap to store BB
2285 (compute_transaction_bits): New.
2287 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2289 * gcc.c (display_help): Document --help=common and sort entries
2292 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2294 * doc/install.texi: Document check-$LANG specific shortcuts
2296 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2299 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2301 * config/arm/arm_neon.h: Regenerate.
2302 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2303 (neon_vcgeu): New insn.
2304 (neon_vcgtu): Likewise.
2305 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2306 (ops): Unsigned comparison intrinsics call a different
2309 2012-02-28 Richard Guenther <rguenther@suse.de>
2312 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2313 ordering for the VEC_CONCAT for two element vectors for
2314 V2SFmode, V2SImode and V2DImode.
2316 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2319 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2320 detecting big-endian triplets.
2322 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2324 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2325 mode if there is no type information available.
2327 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2329 PR tree-optimization/53207
2330 * doc/invoke.texi: Document as experimental and relying on graphite.
2332 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2334 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2335 of initializer to changes from r184614.
2337 2012-02-28 Richard Guenther <rguenther@suse.de>
2339 PR tree-optimization/52395
2340 * tree-sra.c (build_ref_for_offset): Also look at the base
2341 TYPE_ALIGN when figuring out the alignment of the replacement.
2343 2012-02-28 Richard Guenther <rguenther@suse.de>
2345 PR tree-optimization/52402
2346 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2347 mis-aligned types when creating the accesses at the call site.
2349 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2351 * config/avr/builtins.def: New file.
2352 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2353 * config/avr/avr.c (enum avr_builtin_id): Use it.
2354 (avr_init_builtins): Use it. And use avr_bdesc.
2355 (bdesc_1arg): Remove.
2356 (bdesc_2arg): Remove.
2357 (bdesc_3arg): Remove.
2358 (struct avr_builtin_description): Add field n_args.
2359 (avr_bdesc): New static variable using builtins.def.
2360 (avr_expand_builtin): Use it.
2361 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2362 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2363 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2365 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2368 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2369 match only one single hard register with respective hard reg rtx.
2370 (movmemx_<mode>): Ditto.
2371 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2372 insn anatomy of movmem[x]_<mode>.
2373 (avr_out_movmem): Same for printing assembler and operand usage.
2375 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2379 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2380 address spaces located outside of device flash.
2382 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2383 (mcu_type_s): Add field n_flash.
2384 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2385 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2386 (AVR_MCU): Add N_FLASH argument.
2387 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2388 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2389 macro __FLASH<n> if that address space makes sense for the device.
2390 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2391 outside of target flash.
2392 (avr_asm_named_section): Ditto.
2393 (avr_asm_select_section): Ditto.
2394 (avr_addr_space_convert): Ditto.
2395 (avr_emit_movmemhi): Ditto.
2396 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2397 address space is outside of device flash.
2398 (avr_insert_attributes): Ditto.
2399 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2400 avr_current_arch->n_segments.
2402 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2405 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2407 (*movabs<mode>_2): Likewise.
2409 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2412 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2413 s_register_operand in the test instead of REG_P. Don't call
2414 gen_reg_rtx if it won't be used.
2416 PR tree-optimization/52376
2417 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2419 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2421 * ifcvt.c (noce_get_condition): Check condition variable is not
2422 small_register_classes_for_mode_p before accepting.
2424 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2426 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2428 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2431 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2432 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2434 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2436 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2438 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2440 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2442 * config/sh/predicates.md: Remove blank lines.
2443 * config/sh/sh.c: Fix typos in comments.
2444 * config/sh/constraints.md: Likewise.
2445 * config/sh/sh.md: Remove blank lines.
2446 Fix typos in comments. Use ;; as comment characters.
2448 2012-02-26 Walter Lee <walt@tilera.com>
2450 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2451 (replace_mov_pcrel_step2): Ditto.
2453 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2456 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2457 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2458 and locs that reference values newer than the non-canonical value
2459 at hand. Return the canonical value as a worst case.
2460 (memrefs_conflict_p): Walk canonical value's locs.
2463 * cselib.c (preserve_only_constants): Rename to...
2464 (preserve_constants_and_equivs): ... this. Split out...
2465 (invariant_or_equiv_p): ... this. Preserve plus expressions
2466 of other preserved expressions too.
2467 (cselib_reset_table): Adjust.
2468 * var-tracking.c (reverse_op): Use canonical value to build
2471 2012-02-23 Kai Tietz <ktietz@redhat.com>
2473 * config/i386/i386.c (ix86_delegitimize_address): Handle
2474 UNSPEC_PCREL plus displacement.
2476 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2479 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2480 to test for unusedness in st X addressing.
2482 2012-02-24 Richard Guenther <rguenther@suse.de>
2485 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2486 (is_gimple_reg_type): Move inline ...
2487 * gimple.h (is_gimple_reg_type): ... here.
2489 2012-02-24 Richard Guenther <rguenther@suse.de>
2492 * passes.c (execute_function_todo): When verifying SSA form
2493 verify gimple form first.
2494 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2496 2012-02-24 Richard Guenther <rguenther@suse.de>
2499 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2500 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2502 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2504 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2506 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2508 * tree-phinodes.c (make_phi_node): Mark static.
2509 * tree-flow.h (make_phi_node): Remove extern decl.
2510 * doc/gimple.texi (make_phi_node): Remove documentation.
2512 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2514 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2515 * tree-ssa-sccvn.c (print_scc): Ditto.
2517 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2519 * doc/passes.texi (Full redundancy elimination): Fix typo.
2521 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2523 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2525 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2528 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2530 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2533 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2535 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2537 * config/avr/avr.md (code_stdname): Add ior, xor.
2538 (xior): New code iterator.
2539 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2540 (*<code_stdname><mode>qi.byte1-3): Ditto.
2542 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2544 PR tree-optimization/52019
2545 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2548 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2550 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2551 HAVE_INITFINI_ARRAY to work around namespace pollution in
2552 certain versions of newlib system headers.
2553 * config.in: Regenerate.
2554 * configure: Regenerate.
2555 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2556 instead of HAVE_INITFINI_ARRAY.
2558 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2561 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2562 is not offsettable memory reference.
2564 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2567 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2568 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2570 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2572 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2573 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2575 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2577 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2578 library on Solaris 8 even without TLS support.
2579 * configure: Regenerate.
2581 2012-02-22 Richard Guenther <rguenther@suse.de>
2584 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2585 for GIMPLE_DEBUG stmts.
2587 2012-02-22 Martin Jambor <mjambor@suse.cz>
2590 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2591 according to the base object.
2593 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2595 PR rtl-optimization/50063
2596 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2597 and 2 (8-bit SP) in operand 2.
2598 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2599 setup to use movhi_sp_r instead of vanilla move to write SP.
2600 Adjust REG_CFA notes to superseed unspec.
2601 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2603 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2604 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2605 irq_state 1 (IRQ known to be on) here.
2607 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2609 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2611 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2612 assign_hard_reg): Likewise.
2614 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2616 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2618 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2621 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2622 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2624 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2626 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2627 prototype from here to...
2628 * config/avr/avr.h: ...here.
2630 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2633 * thumb2.md (thumb2_shiftsi3_short): Split register and
2634 immediate shifts. For register shifts tie operands 0 and 1.
2635 (peephole2 for above): Check that register-controlled shifts
2636 have suitably tied operands.
2638 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2641 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2642 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2643 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2644 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2645 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2646 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2647 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2648 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2649 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2650 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2651 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2652 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2653 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2654 bdver1_ssevector_avx256_unaligned_load,
2655 bdver1_ssevector_sse128_unaligned_load,
2656 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2657 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2658 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2659 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2660 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2661 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2662 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2663 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2664 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2665 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2666 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2667 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2668 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2669 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2670 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2671 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2672 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2673 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2674 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2675 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2676 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2677 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2678 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2679 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2680 bdver1_ssediv_double_load, bdver1_ssediv_double,
2681 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2682 Add "bdver2" attribute.
2684 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2686 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2687 default if possible and not specified otherwise.
2689 2012-02-21 Richard Guenther <rguenther@suse.de>
2692 * gimplify.c (create_tmp_from_val): Use the main variant type
2693 for the type of the temporary we create.
2695 2012-02-21 Richard Guenther <rguenther@suse.de>
2697 PR tree-optimization/52324
2698 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2699 do not gimplify a MEM_REF address operand if it is already
2702 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2704 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2705 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2707 2012-02-21 Richard Guenther <rguenther@suse.de>
2709 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2710 nested_in_vect_loop.
2712 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2714 PR tree-optimization/52318
2715 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2716 vdef also to non-pure/const call stmts in the sequence.
2718 2012-02-20 David S. Miller <davem@davemloft.net>
2720 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2721 don't use the "rd %pc" instruction on v9 for PIC register loads.
2723 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2726 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2727 in a transaction safe function.
2729 2012-02-20 Kai Tietz <ktietz@redhat.com>
2732 * stor-layout.c (place_field): Handle desired_align for
2735 2012-02-20 Richard Guenther <rguenther@suse.de>
2737 PR tree-optimization/52298
2738 * tree-vect-stmts.c (vectorizable_store): Properly use
2739 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2741 (vectorizable_load): Likewise.
2742 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2743 Access DR_STEP after ensuring it is not NULL.
2745 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2747 PR tree-optimization/52286
2748 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2749 optimization use double_int_to_tree instead of build_int_cst_wide,
2750 rewrite to use double_int vars.
2752 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2755 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2757 Remove -e 0 from $gcc_cv_ld invocation.
2758 Only use __GLIBC_PREREQ if defined.
2759 Enable on Solaris since Solaris 8 patch.
2760 (gcc_SUN_LD_VERSION): New macro.
2761 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2762 gcc_SUN_LD_VERSION for version number format.
2763 * configure: Regenerate.
2764 * varasm.c (get_elf_initfini_array_priority_section): Set
2765 SECTION_NOTYPE for non-default priority.
2766 Use get_section instead of get_unnamed_section to emit
2767 .init_array/.fini_array with default priority.
2769 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2771 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2772 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2773 (mips_start_unique_function, mips_output_mips16_rdhwr)
2774 (mips_code_end): New functions.
2775 (TARGET_ASM_CODE_END): Define.
2777 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2779 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2780 to stubs with non-sibling calls.
2782 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2784 * doc/invoke.texi (-fira-* options): Copy-edit.
2785 (ira-* parameters): Copy-edit.
2787 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2789 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2790 GCC coding conventions.
2792 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2794 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2795 when used as adjectives.
2797 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2799 * doc/invoke.texi: Clean up "that"/"which" confusion.
2801 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2803 * system.h: Poison SMALL_REGISTER_CLASSES
2804 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2805 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2807 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2809 PR tree-optimization/52285
2810 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2811 when deciding if a call is a tail call or tail recursion.
2813 2012-02-16 Kai Tietz <ktietz@redhat.com>
2815 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2816 interger-constant displacement for UNSPEC_PCREL.
2818 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2820 PR rtl-optimization/52208
2821 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2822 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2824 PR tree-optimization/52255
2825 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2826 loop->header has virtual PHI, but exit_e->dest doesn't, add
2827 virtual PHI to exit_e->dest and adjust all uses after the loop.
2830 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2831 children with clone_tree_hash, not after it.
2833 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2835 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2836 extended identifiers.
2838 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2841 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2842 a same_body_alias, also test whether e->callee isn't a former
2843 or current clone of the decl this is a same body alias of.
2845 PR translation/52264
2846 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2848 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2850 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2852 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2855 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2856 force_reg instead of copy_to_reg for better optimization. Force
2857 non-register or memory operands into a register.
2859 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2861 * extend.texi: Reserve upper bits of memory model for future use.
2863 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2864 Anatoly Sokolov <aesok@post.ru>
2865 Eric Weddington <eric.weddington@atmel.com>
2868 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2869 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2870 Rewrite initializers for .macro.
2871 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2872 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2873 atxmega32d4, atxmega32x1.
2874 avrxmega4: atxmega64a3, atxmega64d3.
2875 avrxmega5: atxmega64a1, atxmega64a1u.
2876 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2877 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2878 avrxmega7: atxmega128a1, atxmega128a1u.
2879 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2880 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2881 (struct base_arch_s): Rename reserved to xmega_p.
2882 Rename reserved2 to have_rampd.
2883 (AVR_XMEGA): New define.
2884 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2885 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2886 * config/avr/predicates.md (io_address_operand): Take into
2888 (low_io_address_operand): Ditto.
2889 (high_io_address_operand): Ditto.
2890 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2891 (enabled, movhi_sp_r): Use them.
2892 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2893 cpp_define_formatted to built-in define __AVR_ARCH__.
2894 (__AVR_XMEGA__): New built-in define.
2895 (__AVR_HAVE_RAMPD__): New built-in define.
2896 (__AVR_HAVE_RAMPX__): New built-in define.
2897 (__AVR_HAVE_RAMPY__): New built-in define.
2898 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2900 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2901 (avr_option_override): Initialize them.
2902 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2903 (avr_init_expanders): Initialize them. No more block several calls.
2904 (emit_push_sfr): New static function.
2905 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2907 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2908 (avr_print_operand): Print addreeses as symbols for
2909 RAMPX, RAMPY, RAMPD, CCP.
2910 (output_movhi): Handle AVR_XMEGA when writing to SP.
2911 (avr_out_movhi_mr_r_xmega): New static function.
2912 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2913 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2914 __RAMPD__, __CCP__ as needed.
2916 * config/avr/multilib.h: Regenerate.
2917 * config/avr/t-multilib: Regenerate.
2918 * config/avr/avr-tables.opt: Regenerate.
2920 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2922 PR tree-optimization/50561
2923 * graphite-flattening.c (lst_project_loop): Do not
2924 remove old scattering dimensions after flattening.
2925 (lst_do_flatten): Likewise.
2927 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2929 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2930 __builtin_avr_map8, __builtin_avr_map16.
2931 Document __builtin_avr_insert_bits.
2933 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2934 (insert_bits): New insn.
2935 (adjust_len.map_bits): Rename to insert_bits.
2936 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2937 * avr-protos.h (avr_out_map_bits): Remove.
2938 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2939 * config/avr/constraints.md (Cxf,C0f): New.
2940 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2941 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2942 New built-in define __BUILTIN_AVR_INSERT_BITS.
2943 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2944 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2945 (avr_move_bits): Rewrite.
2946 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2948 (avr_map_op_t): New typedef.
2949 (avr_map_op): New static variable.
2950 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2951 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2952 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2953 (bdesc_3arg, avr_expand_triop_builtin): New.
2954 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2955 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2956 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2957 (avr_map_equal_p, avr_map_sig_p): Remove.
2958 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2959 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2960 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2961 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2962 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2963 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2965 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2967 * config/c6x/c6x.md (reserve_cycles): New attribute.
2968 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2969 don't reserve functional units after the branch occurs.
2971 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2974 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2975 functions into non-tm_pure functions.
2977 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2980 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2981 (iterative_hash_canonical_type): Likewise.
2982 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2985 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2987 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2988 sched-group insn, it either remains alone or the entire list is pruned.
2990 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2992 * doc/install.texi (Prerequisites): Fix grammar.
2993 (Configuration): Likewise.
2995 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2997 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2998 MPC as part of GCC before describing configuring with --with-gmp etc.
2999 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3000 sources are present.
3002 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3005 * dwarf2out.c (clone_tree_hash): New function.
3006 (copy_decls_walk): Use it instead of clone_tree.
3008 2012-02-14 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/52244
3011 PR tree-optimization/51528
3012 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3013 replacements for integral types.
3015 2012-02-14 Walter Lee <walt@tilera.com>
3017 * config.gcc: Handle tilegx and tilepro.
3018 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3020 Add HAVE_AS_TLS check for tilegx and tilepro.
3021 * configure: Regenerate.
3022 * doc/contrib.texi: Add Mat Hostetter and self.
3023 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3024 Document instruction intrinsics and network accessing intrinsics.
3025 (TILEPro Built-in Functions): New node. Document instruction
3026 intrinsics and network accessing intrinsics.
3027 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3028 (Specific, tilepro-*-linux*): Likewise.
3029 * doc/invoke.texi (TILE-Gx Options): New section.
3030 (TILEPro Options): New section.
3031 * doc/md.texi (TILE-Gx): New section.
3032 (TILEPro): New section.
3033 * common/config/tilegx/tilegx-common.c: New file.
3034 * common/config/tilepro/tilepro-common.c: New file.
3035 * config/tilegx/constraints.md: New file.
3036 * config/tilegx/linux.h: New file.
3037 * config/tilegx/mul-tables.c: New file.
3038 * config/tilegx/predicates.md: New file.
3039 * config/tilegx/sync.md: New file.
3040 * config/tilegx/t-tilegx: New file.
3041 * config/tilegx/tilegx-builtins.h: New file.
3042 * config/tilegx/tilegx-c.c: New file.
3043 * config/tilegx/tilegx-generic.md: New file.
3044 * config/tilegx/tilegx-modes.def: New file.
3045 * config/tilegx/tilegx-multiply.h: New file.
3046 * config/tilegx/tilegx-protos.h: New file.
3047 * config/tilegx/tilegx.c: New file.
3048 * config/tilegx/tilegx.h: New file.
3049 * config/tilegx/tilegx.md: New file.
3050 * config/tilegx/tilegx.opt: New file.
3051 * config/tilepro/constraints.md: New file.
3052 * config/tilepro/gen-mul-tables.cc: New file.
3053 * config/tilepro/linux.h: New file.
3054 * config/tilepro/mul-tables.c: New file.
3055 * config/tilepro/predicates.md: New file.
3056 * config/tilepro/t-tilepro: New file.
3057 * config/tilepro/tilepro-builtins.h: New file.
3058 * config/tilepro/tilepro-c.c: New file.
3059 * config/tilepro/tilepro-generic.md: New file.
3060 * config/tilepro/tilepro-modes.def: New file.
3061 * config/tilepro/tilepro-multiply.h: New file.
3062 * config/tilepro/tilepro-protos.h: New file.
3063 * config/tilepro/tilepro.c: New file.
3064 * config/tilepro/tilepro.h: New file.
3065 * config/tilepro/tilepro.md: New file.
3066 * config/tilepro/tilepro.opt: New file.
3068 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3070 PR tree-optimization/52210
3071 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3072 vect_model_simple_cost with two entry vect_def_type array instead
3073 of an address of dt.
3075 2012-02-14 Richard Guenther <rguenther@suse.de>
3078 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3079 Do not stream DECL_QUALIFIER.
3080 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3081 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3082 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3084 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3087 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3090 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3093 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3094 * cselib.c (cselib_subst_to_values_from_insn): New function.
3095 * sched-deps.c (add_insn_mem_dependence,
3096 sched_analyze_1, sched_analyze_2): Use it.
3098 2012-02-13 Jan Hubicka <jh@suse.cz>
3101 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3103 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3105 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3106 (GTM_SELF_SPECS): Define if not already defined.
3107 (driver_self_specs): Add GTM_SELF_SPECS.
3108 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3109 (GTM_SELF_SPECS): Define.
3110 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3111 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3113 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3115 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3118 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3121 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3122 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3124 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3127 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3129 2012-02-13 Richard Guenther <rguenther@suse.de>
3131 PR translation/52211
3132 * passes.c (enable_disable_pass): Fix typo.
3134 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3137 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3138 XOR for reduce_bit_field if type is unsigned.
3140 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3142 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3143 disallow changes from SFmode to mode with different size in FP regs.
3145 2012-02-12 Robert Millan <rmh@gnu.org>
3146 Gerald Pfeifer <gerald@pfeifer.com>
3148 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3151 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3153 PR rtl-optimization/52175
3154 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3155 to frame-related instructions.
3157 2012-02-10 Jason Merrill <jason@redhat.com>
3160 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3161 (demangle_new_symbols): Fill it.
3162 (scan_linker_output): Walk it.
3163 (start_tweaking): Split out from scan_linker_output.
3164 (maybe_tweak): Update sym->chosen.
3165 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3167 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3170 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3172 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3174 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3175 having the same mode as previous compare.
3177 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3179 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3180 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3181 (nonlocal_goto_internal): Likewise.
3182 (nonlocal_goto): Emit a use and an indirect jump directly.
3184 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3187 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3188 __atomic_{is,always}_lock_free.
3190 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3193 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3194 negative constant address for x32.
3196 2012-02-10 Richard Henderson <rth@redhat.com>
3198 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3199 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3200 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3202 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3203 Ira Rosen <irar@il.ibm.com>
3205 PR tree-optimization/50031
3206 * targhooks.c (default_builtin_vectorization_cost): Handle
3208 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3209 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3210 all types of reduction and pattern statements.
3211 (vect_estimate_min_profitable_iters): Likewise.
3212 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3213 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3214 for explicit realigns.
3215 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3216 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3218 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3219 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3220 vec_perm for VSX and handle vec_promote_demote.
3222 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3225 * builtins.c (fold_builtin_atomic_always_lock_free,
3226 expand_builtin_atomic_always_lock_free,
3227 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3228 Return and/or test boolean_true_node/boolean_false_node instead of
3229 integer_one_node/integer_zero_node.
3231 2012-02-10 Jan Hubicka <jh@suse.cz>
3234 * predict.c (predict_paths_for_bb): Prevent looping.
3235 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3237 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3239 * config/arm/arm.c (output_move_double): In one case properly
3240 count number of instructions that will be emitted.
3242 2012-02-10 Richard Guenther <rguenther@suse.de>
3244 PR translation/52193
3245 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3247 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3250 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3252 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3255 * var-tracking.c (emit_note_insn_var_location): If
3256 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3257 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3258 non-NOTE_DURING_CALL_P insn.
3260 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3263 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3265 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3268 * gcc.c (switch_matches) Support switches with separated form,
3271 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3273 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3275 (RAMPZ_ADDR): Ditto.
3276 * config/avr/avr.c (avr_addr_t): New typedef.
3277 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3278 (avr_init_expanders): Initialize it.
3279 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3281 (expand_epilogue): Ditto.
3282 (avr_print_operand): Ditto.
3283 (avr_file_start): Ditto.
3284 (avr_emit_movmemhi): Ditto.
3286 2012-02-08 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/46886
3289 * tree-flow.h (do_while_loop_p): Declare.
3290 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3291 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3293 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3295 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3296 always succeed for integers larger than a native word.
3298 2012-02-08 Richard Guenther <rguenther@suse.de>
3300 PR rtl-optimization/52170
3301 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3302 properly handle integer vector modes.
3304 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3306 PR gcov-profile/52150
3307 * coverage.c: Include target.h.
3308 (build_var): Call targetm.strip_name_encoding on the assembler name.
3309 Change one _ into . or $ if the target allows it.
3310 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3312 PR rtl-optimization/52139
3313 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3314 is a BARRIER after emit_insn_after_noloc, move BB_END
3315 to the last non-BARRIER insn before it.
3317 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3320 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3321 (mips_gimplify_va_arg_expr): Call it instead of
3322 std_gimplify_va_arg_expr.
3324 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3326 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3327 message for -mno-pointers-to-nested-function.
3329 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3332 * expr.c (get_inner_reference): If there is an offset, add a negative
3333 bit position to it (if any).
3335 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3337 PR rtl-optimization/52060
3338 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3339 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3340 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3341 and/or i0src_copy2 when needed.
3343 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3345 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3346 or LTOPLUGINSONAME if have_c.
3348 * config/freebsd-spec.h: Add comment about what macros can be defined
3350 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3351 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3354 2012-02-07 Richard Guenther <rguenther@suse.de>
3356 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3357 newline in -alias dumps.
3359 2012-02-07 Kai Tietz <ktietz@redhat.com>
3360 Dave Korn <dave.korn.cygwin@gmail.com>
3363 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3364 Take care that typinfo gets dllexport-attribute.
3366 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3369 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3370 if modifier < EXPAND_SUM call force_operand on the result.
3372 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3374 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3375 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3377 (epiphany_function_type): Replace types for specific interrupts with
3378 EPIPHANY_FUNCTION_INTERRUPT.
3379 (EPIPHANY_INTERRUPT_P): Update.
3380 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3381 New static function.
3382 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3383 <disinterrupt>: Affects type identity.
3384 (epiphany_handle_interrupt_attribute): Handle variable number of
3386 (epiphany_compute_function_type): Update for new
3387 epiphany_function_type definition.
3388 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3389 handlers with a longcall forwarder.
3390 (epiphany_start_function): Handle multiple interrupt arguments and/or
3391 forwarder_section attribute.
3393 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3396 2012-02-07 Alan Modra <amodra@gmail.com>
3399 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3402 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3404 PR tree-optimization/50969
3405 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3406 use vec_perm rather than vector_stmt.
3407 (vect_model_load_cost): Likewise.
3408 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3409 vec_perm to be the same as other vector statements.
3410 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3411 cost of vec_perm for TARGET_VSX.
3413 2012-02-06 Richard Guenther <rguenther@suse.de>
3415 PR tree-optimization/52115
3416 * tree-sra.c (access_has_replacements_p): New function.
3417 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3419 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3422 * trans-mem.c (expand_call_tm): Add an assertion.
3423 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3426 2012-02-06 Richard Guenther <rguenther@suse.de>
3428 PR tree-optimization/50955
3429 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3430 raise cost of expressions that replace an address with an
3431 expression based on a different pointer.
3433 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3436 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3437 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3439 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3442 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3443 -Weffc++ and specify guidelines come from second edition.
3445 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3447 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3448 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3449 (call_direct_split, call_value_split, call_value_internal_direct)
3450 (call_value_direct_split, call_value_multiple_split): Use jal and
3451 jal_macro attributes.
3453 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3455 * reload1.c (reload_regs_reach_end_p): Replace with...
3456 (reload_reg_rtx_reaches_end_p): ...this function.
3457 (new_spill_reg_store): Update commentary.
3458 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3459 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3460 before setting new_spill_reg_store.
3461 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3462 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3463 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3464 for non-spill reload registers.
3466 2012-02-05 Ira Rosen <irar@il.ibm.com>
3468 PR tree-optimization/52091
3469 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3470 (vect_is_simple_use_1): Likewise.
3471 * tree-vect-loop.c (vectorizable_reduction): Update calls
3472 to vect_is_simple_use_1 and vect_is_simple_use.
3473 (vectorizable_live_operation): Likewise.
3474 * tree-vect-patterns.c (widened_name_p,
3475 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3476 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3477 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3478 vectorizable_shift,vectorizable_operation, vectorizable_store,
3479 vectorizable_load): Likewise.
3480 (vect_is_simple_cond): Add an argument, pass it to
3481 vect_is_simple_use_1.
3482 (vectorizable_condition): Update calls to vect_is_simple_cond,
3484 (vect_is_simple_use): Add an argument, the statement in which
3485 OPERAND is used. Check that if OPERAND's def stmt is a double
3486 reduction phi node, the use is a phi node too.
3487 (vect_is_simple_use_1): Add an argument, pass it to
3489 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3490 to vect_is_simple_use.
3492 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3494 PR rtl-optimization/52095
3495 * modulo-sched.c (dump_insn_locator): New function.
3496 (loop_canon_p, sms_schedule): Use it.
3498 PR rtl-optimization/52113
3499 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3500 even for decomposable shift/zext insns.
3502 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3503 Zdenek Dvorak <ook@ucw.cz>
3505 PR rtl-optimization/52092
3506 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3507 on get_iv_value result.
3509 2012-02-02 Andrew Pinski <apinski@cavium.com>
3513 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3515 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3518 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3520 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3522 PR rtl-optimization/49800
3523 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3524 (sched_finish): Call regstat_free_n_sets_and_refs.
3526 2012-02-02 Jia Liu <proljc@gmail.com>
3528 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3531 2012-02-02 Jan Hubicka <jh@suse.cz>
3532 Tom de Vries <tom@codesourcery.com>
3535 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3536 * varpool.c (varpool_analyze_pending_decls): Likewise.
3538 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3539 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3541 * config.gcc: Add cr16-* support.
3543 * doc/extend.texi: Document cr16 extensions.
3544 * doc/install.texi: Document cr16 install.
3545 * doc/invoke.texi: Document cr16 options.
3546 * doc/md.texi: Document cr16 constraints.
3548 * common/config/cr16/cr16-common.c: New file.
3549 * config/cr16/cr16.c: New file.
3550 * config/cr16/cr16.h: New file.
3551 * config/cr16/cr16.md: New file.
3552 * config/cr16/cr16.opt: New file.
3553 * config/cr16/cr16-protos.h: New file.
3554 * config/cr16/predicates.md: New file.
3555 * config/cr16/constraints.md: New file.
3556 * config/cr16/t-cr16: New file.
3558 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3561 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3562 that operands[2] is either immediate, or q_regs_operand.
3564 PR tree-optimization/52073
3565 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3566 a pattern stmt for pattern uses, ignore uses outside of the loop.
3568 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3570 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3571 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3572 (OUT_AS1, OUT_AS2): Remove.
3574 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3576 PR rtl-optimization/51374
3577 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3578 to cross other volatile_refs_p insns.
3580 2012-02-01 Richard Guenther <rguenther@suse.de>
3582 * doc/invoke.texi (fno-inline): Clarify documentation.
3583 (finline-small-functions): Likewise.
3584 (finline-functions): Likewise.
3585 * common.opt (finline): Adjust comment and documentation.
3586 (finline-small-functions): Clarify documentation.
3587 (finline-functions): Likewise.
3588 (finline-functions-called-once): Likewise.
3590 2012-02-01 Tristan Gingold <gingold@adacore.com>
3592 * c-typeck.c (composite_type): Keep mode for pointers.
3594 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3596 * function.h (regno_reg_rtx): Adjust comment.
3597 * reginfo.c (init_reg_modes_target): Only use the previous mode
3598 if it fits within one register. Remove MIPS comment.
3600 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3603 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3605 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3607 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3608 to srak instruction.
3610 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3612 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3614 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3619 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3621 2012-01-31 Richard Guenther <rguenther@suse.de>
3623 PR tree-optimization/51528
3624 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3627 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3632 * ree.c (add_removable_extension): Change def_map argument
3633 to unsigned *, store in def_map 1 + offset into *insn_list vector
3634 instead of pointers into the vector.
3635 (find_removable_extensions): Adjust caller.
3637 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3639 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3640 Transform all "* quoted-c-code" to { c-code }.
3641 Remove redundant test for "optimize" in combine patterns.
3642 Move (include "avr-dimode.md") to end of file.
3644 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3647 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3648 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3650 2012-01-30 Richard Guenther <rguenther@suse.de>
3652 PR tree-optimization/52028
3653 * tree-loop-distribution.c (ldist_gen): Properly update
3656 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3659 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3660 set_cur_line_info_table if not emitting debug info.
3662 PR tree-optimization/52046
3663 * tree-vect-patterns.c (check_bool_pattern): Give up if
3664 a comparison could throw.
3667 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3669 2012-01-30 Richard Guenther <rguenther@suse.de>
3671 PR tree-optimization/52045
3672 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3673 SSA form if cfgcleanup did anything.
3675 2012-01-30 Richard Guenther <rguenther@suse.de>
3677 PR tree-optimization/52045
3678 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3679 before computing final todo.
3681 2012-01-30 Richard Guenther <rguenther@suse.de>
3683 PR tree-optimization/51528
3684 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3687 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3689 * df-problems.c (df_kill_notes): Check that the use refers
3690 to the note under examination.
3692 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3695 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3696 parameter and use short-lived pseudos.
3697 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3698 (sparc_expand_vector_init): Const-ify local variables and adjust
3699 calls to above functions.
3701 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3703 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3705 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3707 * doc/invoke.texi: Make usage of "compile time" and
3708 "run time"/"runtime" consistent throughout the file.
3710 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3712 * config/alpha/alpha.c (alpha_option_override): Default to
3713 full IEEE compliance mode for Go language.
3715 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3717 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3718 (LINK_SSP_SPEC): Define.
3720 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3723 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3726 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3728 * doc/invoke.texi: Correct hyphenation of "floating point",
3729 "double precision", and related terminology throughout the file.
3731 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3734 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3735 arm_general_register_operand predicate for operand 2 instead of
3738 2012-01-27 Ian Lance Taylor <iant@google.com>
3741 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3742 * builtins.c (expand_builtin_init_trampoline): Add onstack
3743 parameter. Change caller.
3744 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3745 * tree.c (build_common_builtin_nodes): Declare
3746 __builtin_init_heap_trampoline.
3748 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3750 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3751 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3752 * config/avr/avr.c: Ditto.
3753 (avr_regnames): Remove because unused.
3754 * config/avr/avr.md (*cpse.ne): New peephole.
3755 (*cpse.eq): New peephole from former cpse peepholes.
3757 2012-01-27 Michael Eager <eager@eagercon.com>
3759 * config/microblaze.c (microblaze_emit_compare): Correct
3760 test after pcmp instruction.
3762 2012-01-27 Richard Guenther <rguenther@suse.de>
3764 PR tree-optimization/52020
3765 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3767 2012-01-27 Richard Guenther <rguenther@suse.de>
3769 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3770 function non-const/pure.
3772 2012-01-27 Richard Guenther <rguenther@suse.de>
3774 PR tree-optimization/50444
3775 * tree-sra.c (build_ref_for_offset): Properly adjust the
3776 MEM_REF type for unaligned accesses.
3778 2012-01-27 Richard Guenther <rguenther@suse.de>
3780 PR tree-optimization/50444
3781 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3782 (expand_assignment): Use it. Properly handle misaligned
3783 bases when expanding stores to component references.
3784 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3787 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3790 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3791 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3792 * tree-data-ref.c (find_data_references_in_loop): Make static.
3793 (compute_all_dependences): Change return type to bool. Bail out
3794 for too many datarefs in a loop. Move the hunk resetting the data
3795 dependences vector from ...
3796 (compute_data_dependences_for_loop): ... here. Account for
3797 compute_all_dependences returning false.
3798 (compute_data_dependences_for_bb): Likewise.
3799 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3800 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3802 2012-01-27 Richard Guenther <rguenther@suse.de>
3805 * expr.c (store_field): Use the alias-set of the scratch memory
3808 2012-01-27 Tom de Vries <tom@codesourcery.com>
3810 PR tree-optimization/51990
3811 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3813 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3815 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3818 * var-tracking.c (reverse_op): Don't add any reverse operation
3819 if V already has any constant locations.
3821 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3823 * doc/invoke.texi: Correct usage of "command line" (noun)
3824 vs "command-line" (adjective) throughout.
3826 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3828 * doc/invoke.texi (Language Independent Options): Move
3829 -Wcoverage-mismatch blurb from here....
3830 (Warning Options): ...to here.
3832 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3834 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3835 Set rs6000_always_hint to false for 476.
3837 2012-01-27 Matthias Klose <doko@ubuntu.com>
3839 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3841 * incpath.c (add_standard_paths): Likewise.
3843 2012-01-27 Richard Henderson <rth@redhat.com>
3845 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3846 * config/m68k/sync.md (atomic_test_and_set): Rename from
3847 sync_test_and_setqi and adjust the operands.
3848 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3849 and unconditionally enable.
3851 2012-01-27 Richard Henderson <rth@redhat.com>
3853 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3854 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3855 (ldstub): Rename from ldstubqi.
3856 (ldstub<I24MODE>): Remove.
3858 2012-01-27 Richard Henderson <rth@redhat.com>
3860 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3861 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3862 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3863 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3864 * doc/tm.texi: Rebuild.
3866 2012-01-27 Richard Henderson <rth@redhat.com>
3868 * optabs.c (gen_atomic_test_and_set): Remove default.
3869 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3871 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3873 PR rtl-optimization/51978
3874 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3875 (combine_reaching_defs): Likewise.
3876 (struct re_info): Remove.
3877 (add_removable_extension): Remove x and data arguments,
3878 add insn, insn_list and def_map. Use the arguments directly
3879 instead of using struct re_info.
3880 (find_removable_extensions): Don't call add_removable_extension
3881 through note_stores, instead just call it with single_set
3883 (find_and_remove_re): Pass curr_cand->expr instead of
3884 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3886 2012-01-26 Michael Matz <matz@suse.de>
3888 PR tree-optimization/46590
3889 * cfgexpand.c: Revert last change (r183305).
3890 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3892 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3893 checking for emptiness.
3895 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3898 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3899 non-addressable non-BLKmode base correctly.
3901 2012-01-26 Michael Matz <matz@suse.de>
3903 PR tree-optimization/48794
3904 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3905 regions referenced from RESX/EH_DISPATCH.
3907 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3909 * config/s390/s390.h: Make BRANCH_COST an option.
3910 * config/s390/s390.opt: New option -mbranch-cost.
3912 2012-01-26 Richard Henderson <rth@redhat.com>
3914 Revert 2012-01-24 change:
3915 * trans-mem.c (requires_barrier): Do not instrument thread local
3916 variables and emit save/restore for them.
3918 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3921 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3924 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3926 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3929 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3932 Rename __pgm to __flash.
3933 Rename __pgm1 to __flash1.
3934 Rename __pgm2 to __flash2.
3935 Rename __pgm3 to __flash3.
3936 Rename __pgm4 to __flash4.
3937 Rename __pgm5 to __flash5.
3938 Rename __pgmx to __memx.
3939 * doc/extend.texi (AVR Named Address Spaces)
3940 Rename address space names as indicated above.
3941 * config/avr/avr.c (avr_addrspace): Ditto.
3943 * config/avr/avr-protos.h
3944 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3945 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3946 * config/avr/predicates.md: Ditto.
3947 * config/avr/avr.c Ditto, and
3948 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3949 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3951 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3952 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3953 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3954 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3955 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3956 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3957 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3958 * config/avr/avr.c: Ditto.
3959 * config/avr/avr.md: Ditto.
3961 2012-01-25 Jason Merrill <jason@redhat.com>
3964 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3966 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3968 PR tree-optimization/51987
3969 * tree-data-ref.c (get_references_in_stmt): Handle references in
3970 non-volatile GIMPLE_ASM.
3972 2012-01-25 Richard Guenther <rguenther@suse.de>
3974 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3975 bases are dereferenced.
3977 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3979 PR rtl-optimization/48374
3980 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3982 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3984 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3985 compute_data_dependences_for_loop returns false.
3986 * tree-parloops.c (loop_parallel_p): Likewise.
3988 2012-01-25 Richard Guenther <rguenther@suse.de>
3990 * tree.h (get_pointer_alignment_1): Declare.
3991 * builtins.c (get_pointer_alignment_1): New function.
3992 (get_pointer_alignment): Use it.
3994 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3996 PR rtl-optimization/48308
3997 * combine.c (enum undo_kind): Add UNDO_LINKS.
3998 (struct undo): Add member l to other_contents and where.
3999 (do_SUBST_LINK): New.
4001 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4002 (undo_all): Handle UNDO_LINKS.
4004 2012-01-25 Richard Henderson <rth@redhat.com>
4006 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4009 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4011 * optabs.c (gen_atomic_test_and_set): Use each argument.
4013 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4015 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4016 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4017 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4018 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4019 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4020 TARGET_PAIRED_SINGLE_FLOAT.
4022 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4024 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4025 (in_struct, return_val): Remove MEM documentation.
4026 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4027 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4028 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4030 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4031 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4032 * expr.c (store_field): Likewise.
4033 * function.c (assign_stack_temp_for_type): Likewise.
4034 * ifcvt.c (noce_try_cmove_arith): Likewise.
4035 * reload1.c (reload): Likewise.
4036 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4037 (alpha_set_memflags): Likewise.
4038 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4040 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4042 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4044 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4045 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4046 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4048 * cselib.c (cselib_rtx_varies_p): Delete.
4049 (cselib_invalidate_mem): Update call to canon_true_dependence.
4050 * dse.c (record_store, check_mem_read_rtx): Likewise.
4051 (scan_reads_nospill): Likewise.
4052 * cse.c (check_dependence): Likewise.
4053 (cse_rtx_varies_p): Delete.
4054 * expr.c (safe_from_p): Update call to true_dependence.
4055 * ira.c (validate_equiv_mem_from_store): Likewise.
4056 (memref_referenced_p): Likewise.
4057 * postreload-gcse.c (find_mem_conflicts): Likewise.
4058 * sched-deps.c (sched_analyze_2): Likewise.
4059 * store-motion.c (load_kills_store): Likewise.
4060 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4061 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4062 (compute_transp): Update call to canon_true_dependence.
4064 2012-01-25 Richard Henderson <rth@redhat.com>
4066 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4067 (maybe_emit_atomic_test_and_set): New.
4068 (expand_sync_lock_test_and_set): Use it.
4069 (expand_atomic_test_and_set): Likewise.
4070 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4071 the implementation; clarify implementation defined details.
4072 * doc/md.texi (atomic_test_and_set): Document.
4074 2012-01-25 Richard Henderson <rth@redhat.com>
4076 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4078 2012-01-25 Richard Henderson <rth@redhat.com>
4081 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4082 to effect no-op split.
4084 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4087 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4088 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4089 (BT_FN_VOID_PTR_INT_SIZE): New.
4090 (BT_FN_UINT_UINT_VAR): Remove.
4091 (BT_FN_UINT32_UINT32_VAR): New.
4092 (BT_FN_DOUBLE_VPTR): Remove.
4093 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4095 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4096 (_ITM_changeTransactionMode): Same.
4097 (_ITM_memmoveRtWt): Change return type to void.
4098 (_ITM_memcpyRtWt): Same.
4099 (_ITM_memsetW): Same.
4100 (_ITM_RaRD): Change types to double.
4105 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4107 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4108 Patrick Marlier <patrick.marlier@gmail.com>
4110 * trans-mem.c (requires_barrier): Do not instrument thread local
4111 variables and emit save/restore for them.
4113 2012-01-24 Jason Merrill <jason@redhat.com>
4116 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4117 output static aliases.
4119 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4122 * common.opt (-pie, -shared, pie, shared): Change from Common to
4124 * gcc.c (display_help): Display help for -pie and -shared.
4126 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4129 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4130 Remove note on size/offset limitation.
4131 (AVR Variable Attributes): Add example how to read data located
4132 with progmem. Refer to named address spaces.
4133 * doc/invoke.texi (AVR Options): Fix typo.
4135 2012-01-24 Richard Guenther <rguenther@suse.de>
4137 Forward-port to trunk
4138 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4141 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4142 op0 isn't sufficiently aligned and there is movmisalignM
4143 insn for mode, use it to load op0 into a temporary register.
4145 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4148 * target.def (const_not_ok_for_debug_p): New hook.
4149 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4151 * doc/tm.texi: Regenerated.
4152 * dwarf2out.c (const_ok_for_output_1): If
4153 targetm.const_not_ok_for_debug_p returns true, fail.
4154 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4156 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4158 2012-01-23 Kai Tietz <ktietz@redhat.com>
4161 * config/i386/predicates.md (symbolic_operand): Allow
4162 UNSPEC_PCREL as PIC expression for lea.
4163 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4164 * config/i386/i386.c (ix86_delegitimize_address): Handle
4165 UNSPEC_PCREL for none-MEM, too.
4167 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4169 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4170 (ipa_tm_create_version_alias): Same.
4172 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4175 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4176 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4178 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4179 Patrick Marlier <patrick.marlier@gmail.com>
4180 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4183 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4184 simple_object_start_read.
4186 2012-01-23 Richard Guenther <rguenther@suse.de>
4189 PR tree-optimization/51895
4190 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4191 parameter decomposition into BLKmode components.
4193 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4195 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4196 fake variables for restrict-qualified pointers whose pointed-to type
4197 contains a placeholder.
4199 2012-01-23 Richard Guenther <rguenther@suse.de>
4201 PR tree-optimization/51949
4202 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4204 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4206 PR rtl-optimization/51933
4207 * ree.c (transform_ifelse): Return true right away if dstreg is
4208 already wider or equal to cand->mode.
4209 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4210 (make_defs_and_copies_lists): Remove defs_list and copies_list
4211 arguments, add state argument, just truncate state->work_list
4212 instead of always allocating and freeing the vector. Assert that
4213 get_defs succeeds instead of returning 2. Changed return type to bool.
4214 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4215 have ext_src_mode, see if it has been modified already with the
4216 right kind of extension and has been extended before from the
4217 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4218 just return true. Remember the original mode in state->modified array.
4219 (combine_reaching_defs): Add state argument. Don't allocate and
4220 free here def_list, copied_list and vec vectors, instead just
4221 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4222 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4223 Add state variable, clear vectors in it, initialize state.modified
4224 if needed. Free all the vectors at the end and state.modified too.
4225 Don't skip a candidate if the extension expression has been modified.
4227 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4230 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4231 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4232 (extra_options) interix.opt -> i386/interix.opt"
4233 (extra_objs):Add winnt-stubs.o
4234 * configure.ac: Add interix to target_os .comm on PE check.
4235 * configure: Regenerate.
4236 * config/interix3.h: Delete and move bits to..
4237 * config/interix.h: Delete and move bits to..
4238 * config/i386/i386-interix3.h: Delete and move bits to..
4239 * config/i386/i386-interix.h: ..here.
4240 (TARGET_CPU_DEFAULT): Remove redefinition.
4241 (TARGET_ASM_CONSTRUCTOR): Undefine.
4242 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4243 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4244 (PTRDIFF_TYPE): Define.
4245 (LONG_DOUBLE_TYPE_SIZE): Define.
4246 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4247 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4248 (TARGET_SECTION_TYPE_FLAGS): Define.
4249 (ASM_DECLARE_FUNCTION_NAME): Define.
4250 (ASM_OUTPUT_EXTERNAL): Define.
4251 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4252 (ASM_OUTPUT_ALIGNED_BSS): Define.
4253 (PCC_BITFIELD_TYPE_MATTERS): Define.
4254 (USE_CONST_SECTION): Define.
4255 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4256 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4257 (SUPPORTS_ONE_ONLY): Remove.
4258 (I386_PE_STRIP_ENCODING): Define.
4259 * config/interix.opt: Delete and move bits to..
4260 * config/i386/interix.opt: ..here. New.
4261 (mpe-aligned-commons): Add.
4262 * config/i386/t-interix: Add copyright header.
4263 (winnt-stubs.o): Add rule.
4265 2012-01-22 Jason Merrill <jason@redhat.com>
4268 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4269 for extra name aliases.
4271 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4273 PR rtl-optimization/51924
4274 * ree.c (combine_set_extension): Improve debugging message.
4275 (combine_reaching_defs): Likewise.
4276 (get_defs): Rename confusingly named variable.
4277 (find_and_remove_re): Skip a candidate if the extension expression has
4280 2012-01-21 Robert Millan <rmh@gnu.org>
4281 Gerald Pfeifer <gerald@pfeifer.com>
4283 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4284 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4286 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4288 PR tree-optimization/51914
4289 * tree-vect-stmts.c (vectorizable_conversion): For
4290 cvt_type && modifier == WIDEN, put temporary with cvt_type
4291 at the beginning of vec_dsts and set vec_dest to temporary
4294 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4296 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4298 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4300 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4301 * config/rs6000/rs6000.c: Likewise.
4303 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4306 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4307 output_move_double on a copy of operands array.
4309 2012-01-20 Cary Coutant <ccoutant@google.com>
4310 Dodji Seketeli <dodji@redhat.com>
4313 * dwarf2out.c (copy_declaration_context): Return ref to parent
4314 of declaration DIE, if necessary.
4315 (remove_child_or_replace_with_skeleton): Add new parameter; update
4316 caller. Place skeleton DIE under parent DIE of original declaration.
4317 Move call to copy_declaration_context to here ...
4318 (break_out_comdat_types): ... from here.
4320 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4322 PR rtl-optimization/51856
4323 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4326 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4329 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4330 hints for neon loads and stores.
4332 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4336 * doc/extend.texi (Named Address Spaces): Split into subsections.
4337 (AVR Named Address Spaces): New subsection.
4338 (M32C Named Address Spaces): New subsection.
4339 (RL78 Named Address Spaces): New subsection.
4340 (SPU Named Address Spaces): New subsection.
4341 (Variable Attributes): New anchor "AVR Variable Attributes".
4342 (AVR Variable Attributes): Rewrite and avoid wording
4343 "address space" in this context.
4344 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4345 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4346 (AVR Built-in Macros): New subsubsection therein.
4347 * doc/md.texi (AVR constraints): Remove "C04", "R".
4349 2012-01-20 Richard Guenther <rguenther@suse.de>
4351 PR tree-optimization/51903
4352 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4353 when removing stmts.
4355 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4358 * config/arm/arm.c (arm_load_pic_register): Use
4359 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4360 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4361 (arm_pic_static_addr): Likewise.
4362 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4363 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4364 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4365 (pic_load_addr_unified): New.
4367 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4370 * function.c (instantiate_virtual_regs_in_insn): Use
4371 delete_insn_and_edges when removing a wrong asm insn.
4373 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4375 PR rtl-optimization/40761
4376 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4377 Add new member loop_num.
4378 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4379 (ira_build): Remove the parameter.
4381 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4382 (ira.c): Do not build CFG loops for one region allocation. Remove
4383 argument from ira_build call.
4385 * ira-build.c (init_loop_tree_node): New function.
4386 (create_loop_tree_nodes): Use it. Separate the case when CFG
4387 loops are not built.
4388 (more_one_region_p): Check current_loops.
4389 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4391 (add_loop_to_tree): Process loop equal to NULL too.
4392 (form_loop_tree): Separate the case when CFG loops are not built.
4393 Use explicitly number for the root.
4394 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4396 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4397 instead of loop->num.
4398 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4399 (mark_all_loops_for_removal): Ditto.
4400 (remove_unnecessary_regions): Separate the case when CFG loops
4402 (ira_build): Remove the parameter. Use explicit number of regions
4403 when CFG loops are not built.
4405 * ira-color.c (print_loop_title): Separate the case for the root node.
4406 Use loop_num instead of loop->num.
4407 (move_spill_restore): Use loop_num instead of loop->num.
4409 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4410 (change_loop): Ditto.
4411 (change_loop): Use loop_num instead of loop->num.
4413 * ira-lives.c (process_bb_node_lives): Ditto.
4415 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4417 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4419 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4422 * tree-mudflap.c (mf_artificial): New function.
4423 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4424 mx_register_decls, mudflap_enqueue_decl): Use it.
4427 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4428 numbers in the insn pattern.
4430 2012-01-19 Michael Matz <matz@suse.de>
4432 PR tree-optimization/46590
4433 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4434 use it in remembering which conflicts we already created.
4435 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4438 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4441 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4442 (merge_and_complain): Same.
4444 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4447 * config/initfini-array.h: Guard content of the header
4448 with #ifdef HAVE_INITFINI_ARRAY.
4449 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4450 Add initfini-array.h to tm_file here.
4451 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4452 * config.gcc: Don't add initfini-array.h to tm_file here.
4453 * configure: Regenerated.
4455 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4457 PR rtl-optimization/51505
4458 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4459 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4460 (df_note_bb_compute): Update the call to df_kill_notes.
4462 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4464 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4466 2012-01-18 Richard Guenther <rguenther@suse.de>
4468 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4469 of conversions to void *.
4471 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4472 Richard Sandiford <rdsandiford@googlemail.com>
4476 * optabs.h (simplify_expand_binop): Declare.
4477 * optabs.c (simplify_expand_binop): Make global.
4478 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4479 endian targets if the source cannot be exactly covered by word
4482 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4485 * hard-reg-set.h (struct hard_reg_set_container): New type.
4486 * target.h (struct hard_reg_set_container): Forward declare.
4487 * target.def (set_up_by_prologue): New target hook.
4488 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4489 * doc/tm.texi: Regenerated.
4490 * function.c (thread_prologue_and_epilogue_insns): Change
4491 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4492 Call targetm.set_up_by_prologue on it.
4493 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4494 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4496 2012-01-17 Nick Clifton <nickc@redhat.com>
4498 * config/rx/rx.c (rx_can_use_simple_return): New function.
4499 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4500 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4502 2012-01-17 Richard Guenther <rguenther@suse.de>
4505 * expr.c (expand_assignment): Take address-space information
4506 from the address operand of MEM_REF and TARGET_MEM_REF.
4507 (expand_expr_real_1): Likewise.
4509 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4511 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4512 reload dump is requested.
4514 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4517 * trans-mem.c (requires_barrier): Call may_be_aliased.
4519 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4521 PR tree-optimization/51877
4522 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4523 call arguments and fndecls compare equal, instead return false if they
4524 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4525 both SSA_NAMEs that are valueized the same, or they satisfy
4528 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4530 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4532 * configure: Regenerate.
4534 2012-01-16 Jan Hubicka <jh@suse.cz>
4538 * convert.c (convert_to_integer): Use fold_convert for
4539 converting an INTEGER_CST to integer type.
4541 2012-01-16 Jason Merrill <jason@redhat.com>
4544 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4546 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4549 * config/s390/s390.c (s390_chunkify_start): Don't skip
4550 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4551 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4552 If insn is followed by NOTE_INSN_VAR_LOCATION or
4553 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4554 Don't use location of note insns.
4556 PR tree-optimization/51865
4557 * tree-inline.c (tree_function_versioning): Call remap_decl
4558 on DECL_RESULT whenever it has VOID_TYPE_P type.
4560 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4562 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4563 for calls to locally-binding MIPS16 functions if only the return
4564 type uses float regs.
4566 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4567 Richard Sandiford <rdsandiford@googlemail.com>
4569 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4570 (SYMBOL_32_HIGH): Likewise.
4571 (mips_output_tls_reloc_directive): Declare.
4572 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4573 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4574 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4575 (mips_lo_relocs, mips_hi_relocs): Make extern.
4576 (mips16_stub_function): Move up file.
4577 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4578 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4579 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4580 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4581 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4582 (mips_get_tp): Add MIPS16 support.
4583 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4584 Generalize DTPREL and TPREL handling.
4585 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4586 Add MIPS16 TLS support.
4587 (mips_output_tls_reloc_directive): New function.
4588 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4589 * config/mips/predicates.md (symbolic_operand_with_high)
4590 (tls_reloc_operand): New predicates.
4591 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4592 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4593 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4594 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4595 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4596 (*tls_get_tp_mips16_call_<mode>): Likewise.
4598 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4600 PR rtl-optimization/51821
4601 * recog.c (peep2_find_free_register): Determine clobbered registers
4604 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4607 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4608 * config/avr/avr.c: Likewise.
4609 * config/avr/avr.h: Likewise.
4611 2012-01-13 Ian Lance Taylor <iant@google.com>
4614 * tree.h (TYPE_QUALS): Add cast to int.
4615 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4617 2012-01-13 Ian Lance Taylor <iant@google.com>
4619 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4620 comparing param_index to VEC_length result.
4622 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4624 * c-decl.c: Do not include tree-mudflap.h
4625 * tree-optimize.c: Likewise.
4626 * Makefile.in: Update dependencies.
4628 2012-01-13 Richard Guenther <rguenther@suse.de>
4631 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4632 variable-sized result always use RSO.
4634 2012-01-12 DJ Delorie <dj@redhat.com>
4636 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4637 pointer type, not just the default pointer type.
4639 2012-01-09 Richard Henderson <rth@redhat.com>
4640 Denis Chertykov <chertykov@gmail.com>
4643 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4644 * config/avr/avr.c (avr_can_eliminate): Simplify.
4645 (avr_initial_elimination_offset): Likewise.
4646 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4647 (expand_epilogue): Likewise.
4648 (avr_legitimize_address): Gut.
4649 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4650 (avr_hard_regno_nregs): New.
4651 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4652 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4653 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4654 add soft frame pointer.
4655 (CALL_USED_REGISTERS): Likewise.
4656 (REG_CLASS_CONTENTS): Likewise.
4657 (REGISTER_NAMES): Likewise.
4658 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4659 (HARD_FRAME_POINTER_REGNUM): New.
4660 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4661 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4662 remove the HARD_FRAME_POINTER self-elimination.
4664 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4667 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4668 DECL_EXTERNAL when checking for initializers of progmem variables.
4670 2012-01-12 Ira Rosen <irar@il.ibm.com>
4672 PR tree-optimization/51799
4673 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4674 that the last operation is a type demotion.
4676 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4678 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4679 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4681 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4684 * combine.c (distribute_notes): If i3 is a noreturn call,
4685 allow old_size to be equal to args_size and make sure the
4686 noreturn call gets REG_ARGS_SIZE note.
4687 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4688 on noreturn calls even when the delta is 0.
4690 2012-01-11 Nathan Sidwell <nathan@acm.org>
4692 * gcov.c (STRING_SIZE): Remove.
4693 (generate_results): Erase annotations for source files with no
4694 coverage information.
4696 (output_lines): Use it.
4698 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4700 * gimple.h (gimplify_body): Remove first argument.
4701 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4702 pointer set here, instead just pass DATA to walk_tree.
4703 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4704 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4705 (unvisit_body): Likewise, but with unmark_visited.
4706 (gimplify_body): Remove BODY_P argument and adjust.
4707 (gimplify_function_tree): Adjust call to gimplify_body.
4708 * omp-low.c (finalize_task_copyfn): Likewise.
4710 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4712 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4713 (build_function_type_skip_args): Delete.
4714 * tree.c (build_function_type_skip_args): Make static and add
4715 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4716 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4717 pass it to build_function_type_skip_args.
4718 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4719 (tree_function_versioning): Likewise.
4720 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4721 build_function_decl_skip_args.
4722 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4723 and pass it to build_function_decl_skip_args/tree_function_versioning.
4724 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4725 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4726 * trans-mem.c (ipa_tm_create_version): Likewise.
4727 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4728 * tree-inline.c (declare_return_variable): Remove always-true test.
4729 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4730 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4731 * ipa-split.c (split_function): Skip the return value for the split
4732 part if it doesn't return.
4734 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4736 PR tree-optimization/49642
4737 * ipa-split.c (forbidden_dominators): New variable.
4738 (check_forbidden_calls): New function.
4739 (dominated_by_forbidden): Likewise.
4740 (consider_split): Check for forbidden dominators.
4741 (execute_split_functions): Initialize and free forbidden
4742 dominators info; call check_forbidden_calls.
4744 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4746 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4748 2012-01-11 Nick Clifton <nickc@redhat.com>
4750 * config/rx/rx.md (return): Define pattern.
4752 2012-01-11 Richard Guenther <rguenther@suse.de>
4754 * doc/extend.texi (malloc attribute): Adjust according to
4757 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4758 Patrick Marlier <patrick.marlier@gmail.com>
4761 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4762 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4763 (ipa_tm_note_irrevocable): Same.
4764 (ipa_tm_scan_irr_block): Same.
4765 (ipa_tm_decrement_clone_counts): Same.
4766 (ipa_tm_scan_irr_function): Same.
4767 (ipa_tm_create_version_alias): Same.
4768 (ipa_tm_create_version): Same.
4769 (ipa_tm_transform_calls_redirect): Same.
4770 (ipa_tm_transform_calls): Same.
4771 (ipa_tm_transform_transaction): Same.
4772 (ipa_tm_execute): Same.
4774 2012-01-10 Richard Guenther <rguenther@suse.de>
4777 * opts.c (common_handle_option): Handle -Werror.
4779 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4781 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4784 2012-01-10 Jason Merrill <jason@redhat.com>
4786 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4789 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4791 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4792 supports R_386_TLS_GD_PLT reloc.
4793 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4794 supports R_386_TLS_LDM_PLT reloc.
4795 * configure: Regenerate.
4796 * config.in: Regenerate.
4798 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4801 Extend __pgmx semantics to linearize memory.
4802 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4803 determine if code comes inline or from libgcc.
4804 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4805 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4806 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4807 (movmemx_qi, movmemx_hi): New insns.
4808 (xload_<mode>_libgcc): Rewrite to new insn condition.
4809 (xload_<mode>): Remove insns.
4810 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4811 cases that don't satisfy avr_xload_libgcc_p().
4812 (avr_addr_space_convert): Allow converting in any direction.
4813 (avr_addr_space_subset_p): Return always true.
4814 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4815 (avr_emit_movmemhi): Ditto.
4816 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4817 (avr_out_movmem): Ditto.
4818 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4819 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4820 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4821 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4822 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4824 2012-01-10 Richard Guenther <rguenther@suse.de>
4826 PR tree-optimization/50913
4827 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4828 Require data-refs to be representable by Graphite with respect
4831 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4833 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4834 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4836 2012-01-10 Tom de Vries <tom@codesourcery.com>
4838 PR rtl-optimization/51271
4839 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4840 handling annulled branch.
4842 2012-01-10 Richard Henderson <rth@redhat.com>
4844 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4845 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4846 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4847 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4848 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4849 arm_expand_vec_perm_const): New.
4850 * config/arm/arm-protos.h: Update.
4851 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4852 (*neon_vswp<VDQX>): New.
4853 (neon_vcombine<VDX>): Use neon_split_vcombine.
4854 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4855 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4856 (vec_perm<VE>): New.
4858 2012-01-10 Richard Henderson <rth@redhat.com>
4860 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4861 use it if reload_completed.
4862 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4863 arm_output_asm_insn, arm_process_output_memory_barrier,
4864 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4865 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4866 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4867 arm_process_output_sync_insn, arm_output_sync_insn,
4868 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4869 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4870 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4871 (emit_unlikely_jump): New.
4872 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4873 (arm_split_atomic_op): New.
4874 * config/arm/arm-protos.h: Update.
4875 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4876 (struct arm_sync_generator): Remove.
4877 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4878 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4879 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4880 (VUNSPEC_LL, VUNSPEC_SC): New.
4881 (sync_result, sync_memory, sync_required_value, sync_new_value,
4882 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4883 (attr length): Don't use arm_sync_loop_insns.
4884 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4885 (movsfcc, movdfcc): Likewise.
4886 * config/arm/constraints.md (Ua): New.
4887 * config/arm/prediates.md (mem_noofs_operand): New.
4888 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4889 (sync_clobber, sync_t2_reqd): Remove.
4890 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4891 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4892 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4893 (arm_sync_compare_and_swap<SIDI>): Remove.
4894 (arm_sync_compare_and_swap<NARROW>): Remove.
4895 (arm_sync_lock_test_and_set<SIDI>): Remove.
4896 (arm_sync_lock_test_and_set<NARROW>): Remove.
4897 (arm_sync_new_<syncop><SIDI>): Remove.
4898 (arm_sync_new_<syncop><NARROW>): Remove.
4899 (arm_sync_new_nand<SIDI>): Remove.
4900 (arm_sync_new_nand<NARROW>): Remove.
4901 (arm_sync_old_<syncop><SIDI>): Remove.
4902 (arm_sync_old_<syncop><NARROW>): Remove.
4903 (arm_sync_old_nand<SIDI>): Remove.
4904 (arm_sync_old_nand<NARROW>): Remove.
4905 (*memory_barrier): Merge arm_output_memory_barrier.
4906 (atomic_compare_and_swap<QHSD>): New.
4907 (atomic_compare_and_swap<NARROW>_1): New.
4908 (atomic_compare_and_swap<SIDI>_1): New.
4909 (atomic_exchange<QHSD>): New.
4910 (cas_cmp_operand, cas_cmp_str): New.
4911 (atomic_op_operand, atomic_op_str): New.
4912 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4913 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4914 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4915 (arm_load_exclusive<NARROW>): New.
4916 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4917 (arm_store_exclusive<QHSD>): New.
4919 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4921 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4922 reload patterns if -mvsx-scalar-memory.
4924 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4925 generated, even -mno-vsx-scalar-double was used.
4926 (vsx_xscvdpsp_scalar): Likewise.
4927 (vsx_xscvspdp_scalar2): Likewise.
4929 2012-01-09 Tom de Vries <tom@codesourcery.com>
4930 Andrew Pinski <apinski@cavium.com>
4933 * reorg.c (fill_slots_from_thread): Don't speculate
4934 frame-related insns.
4936 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4938 * sched-int.h (bb_note): Move to...
4939 * basic-block.h: ...here.
4940 * haifa-sched.c (bb_note): Move to...
4941 * cfgrtl.c: ...here.
4942 * function.c (next_block_for_reg): New function.
4943 (move_insn_for_shrink_wrap): Likewise.
4944 (prepare_shrink_wrap): Rewrite to use the above.
4946 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4948 * gimple.c (is_gimple_non_addressable): Remove.
4949 * gimple.h: Remove is_gimple_non_addressable.
4950 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4951 is_gimple_non_addressable.
4952 * trans-mem.c (expand_assign_tm): Same.
4954 2012-01-09 Richard Guenther <rguenther@suse.de>
4956 PR tree-optimization/51775
4957 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4958 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4960 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4962 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4964 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4966 2012-01-09 Richard Guenther <rguenther@suse.de>
4968 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4970 2012-01-08 Jan Hubicka <jh@suse.cz>
4972 PR tree-optimize/51680
4973 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4974 on when known_vals needs to be computed; cleanup.
4976 2012-01-08 Jan Hubicka <jh@suse.cz>
4978 PR tree-optimize/51694
4979 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4981 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4983 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4984 for -std=c++98 and -std=c++11 too.
4986 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4988 * cfgloop.c (cancel_loop): Add free() of bbs array.
4990 2012-01-07 Jan Hubicka <jh@suse.cz>
4992 PR tree-optimization/51600
4993 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4994 that benefits small functions.
4996 2012-01-07 Jan Hubicka <jh@suse.cz>
4998 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5000 2012-01-07 Jan Hubicka <jh@suse.cz>
5002 PR tree-optimization/51680
5003 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5004 whose inlining reduce unit size.
5006 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5009 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5010 Add canonical node to containing_mem chain after the non-canonical
5011 one, even if there weren't any locs to propagate.
5012 (remove_useless_values): Keep only canonical values.
5013 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5014 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5015 canonicalize mem_chain elements that are not discarded.
5017 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5020 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5021 before emitting functions.
5023 PR gcov-profile/50127
5024 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5025 clear_aux_for_blocks.
5027 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5030 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5032 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5034 * c-decl.c (ext_block): Moved up.
5035 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5037 2012-01-06 Han Shen <shenhan@google.com>
5039 Translate built-in include paths for sysroot.
5040 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5041 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5043 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5044 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5046 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5047 control whether sysroot should be prepended to gxx include dir.
5049 * configure: Regenerate.
5051 2012-01-06 Torvald Riegel <triegel@redhat.com>
5053 PR rtl-optimization/51771
5054 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5055 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5057 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5059 PR tree-optimization/51315
5060 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5061 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5063 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5066 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5067 for shrp pattern. Correctly handle and fixup shift variable.
5068 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5070 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5073 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5074 note when !ACCUMULATE_OUTGOING_ARGS.
5076 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5078 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5080 (extract_range_from_unary_expr_1): Avoid useless computations.
5082 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5084 PR rtl-optimization/51767
5085 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5086 of jump_block and add an extra edge for degenerated asm gotos.
5089 * stmt.c (check_unique_operand_names): Don't ICE during error
5090 reporting if i is from labels chain.
5093 * profile.c (branch_prob): Split bbs that have exit edge
5094 and need a fake entry edge too.
5096 2012-01-05 Jan Hubicka <jh@suse.cz>
5099 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5102 2012-01-05 Richard Guenther <rguenther@suse.de>
5105 * tree-streamer-out.c (write_ts_optimization): New function.
5106 (streamer_write_tree_body): Call it.
5107 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5108 (streamer_read_tree_body): Call it.
5109 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5111 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5114 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5115 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5116 in_cleanup_point_expr before gimplify_stmt call and restore it
5118 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5119 in_cleanup_point_expr is false.
5121 2012-01-05 Richard Guenther <rguenther@suse.de>
5124 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5126 * toplev.c (process_options): Reject combining mudflap and LTO.
5127 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5129 2012-01-05 Richard Guenther <rguenther@suse.de>
5131 PR tree-optimization/51760
5132 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5134 (bit_value_unop): Handle UNDEFINED operands.
5135 (bit_value_binop): Likewise.
5137 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5139 * config/avr/avr.c (avr_replace_prefix): Remove.
5140 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5141 (avr_asm_function_rodata_section): Ditto.
5142 (avr_asm_select_section): Ditto.
5144 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5146 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5149 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5152 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5153 calls that have any non-fake successor edges.
5156 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5158 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5160 PR tree-optimization/51624
5161 * tree-sra.c (build_ref_for_model): When replicating a chain of
5162 COMPONENT_REFs, stop as soon as the offset would become negative.
5164 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5167 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5168 in .debug_loc on the floor.
5170 2012-01-04 Andrew Pinski <apinski@cavium.com>
5172 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5174 2012-01-04 Andrew Pinski <apinski@cavium.com>
5175 Adam Nemet <anemet@caviumnetworks.com>
5177 * config/mips/mips.md (size): Add SI and DI.
5178 (SIZE): New mode attribute.
5179 (U): New code attribute.
5180 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5181 (mips_lbux_<mode>): Delete.
5182 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5183 (mips_lhx): Use gen_mips_lhx_extsi.
5184 (mips_lhx_<mode>): Delete.
5186 (mips_l<size>x): New expand.
5187 (mips_lwx_<mode>): Delete.
5188 (mips_l<GPR:size>x_<P:mode>): New pattern.
5189 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5190 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5191 * config/mips/mips.c (mips_lx_address_p): New function.
5192 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5193 (dsp64): New availability predicate.
5194 (mips_builtins): Add an entry for __builtin_mips_ldx.
5195 * config/mips/mips.h (ISA_HAS_LBX): New define.
5196 (ISA_HAS_LBUX): Likewise.
5197 (ISA_HAS_LHX): Likewise.
5198 (ISA_HAS_LHUX): Likewise.
5199 (ISA_HAS_LWX): Likewise.
5200 (ISA_HAS_LWUX): Likewise.
5201 (ISA_HAS_LDX): Likewise.
5202 * doc/extend.texi (__builtin_mips_ldx): Document.
5204 2012-01-04 Tristan Gingold <gingold@adacore.com>
5206 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5207 when long pointers are used.
5208 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5209 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5210 (ia64-hp-*vms*): Remove.
5211 * config/vms/xm-vms64.h: Delete.
5213 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5216 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5218 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5220 * opts.c (finish_options): Remove duplicate sorry.
5222 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5225 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5228 2012-01-04 Richard Guenther <rguenther@suse.de>
5231 * tree.c (size_low_cst): New function.
5232 * tree.h (size_low_cst): Declare.
5233 * fold-const.c (fold_comparison): Use it to extract the low
5234 part of the POINTER_PLUS_EXPR offset.
5236 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5238 Fix clearing ZERO_REG
5239 * config/avr/avr.md (cc): Add alternative "ldi".
5240 (movqi_insn): Use it in cc attribute.
5241 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5242 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5243 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5245 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5247 * configure: Regenerate.
5249 2012-01-04 Richard Guenther <rguenther@suse.de>
5251 PR tree-optimization/49651
5252 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5253 (var_can_have_subvars): Use it.
5254 (get_constraint_for_1): Only consider subfields if there can be any.
5256 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5259 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5260 to its new canonical_cselib_val and the cselib_val was in
5261 first_containing_mem chain, but the canonical_cselib_val was not,
5262 add the latter into the chain.
5263 (cselib_invalidate_mem): Compare canonical_cselib_val of
5264 addr_list chain elt with v.
5267 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5268 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5270 (output_macinfo_op): Don't ggc_strdup fd->filename.
5271 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5272 then ggc_strdup it. Don't free inc->info or cur->info.
5273 (output_macinfo): Don't free ref->info or file->info.
5275 2012-01-03 Ira Rosen <irar@il.ibm.com>
5277 PR tree-optimization/51269
5278 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5279 first_niters a pointer.
5280 (slpeel_tree_peel_loop_to_edge): Likewise.
5281 (vect_do_peeling_for_loop_bound): Update call to
5282 slpeel_tree_peel_loop_to_edge.
5283 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5284 here. Remove it from the parameters list.
5285 (vect_do_peeling_for_alignment): Update calls and compute
5288 2012-01-03 Richard Guenther <rguenther@suse.de>
5290 PR tree-optimization/51070
5291 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5292 Properly handle calls.
5294 2012-01-03 Richard Guenther <rguenther@suse.de>
5296 PR tree-optimization/51692
5297 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5298 the LHS of allocation stmts.
5300 2012-01-03 Olivier Hainque <hainque@adacore.com>
5302 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5304 2012-01-03 Olivier Hainque <hainque@adacore.com>
5306 * collect2.c (main): In AIX specific computations for vector
5307 insertions, use CONST_CAST2 to cast from char ** to const char **.
5309 2012-01-03 Richard Guenther <rguenther@suse.de>
5312 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5313 the context of a limbo DIE when it does not already exist.
5315 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5317 PR tree-optimization/51719
5318 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5319 but direct call is, clear direct call's lhs and don't add fallthrough
5320 edge from dcall_bb to join_bb and PHIs.
5322 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5324 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5325 the instructions emitted by the pattern.
5326 ("*TDC_insn_<mode>"): Add comment.
5328 2012-01-03 Richard Guenther <rguenther@suse.de>
5331 * fold-const.c (fold_comparison): Properly canonicalize
5332 tree offset and HOST_WIDE_INT bit position.
5334 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5336 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5337 operands for extzv pattern.
5339 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5342 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5345 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5347 * doc/invoke.texi (-flto and related options): Copy-edit.
5349 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5351 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5353 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5355 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5358 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5360 * expr.h (move_by_pieces_ninsns): Declare.
5361 * expr.c (move_by_pieces_ninsns): Make external.
5362 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5363 (mips_store_by_pieces_p): Likewise.
5364 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5365 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5366 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5367 (mips_store_by_pieces_p): Likewise.
5369 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5371 * passes.c (register_one_dump_file): Free full_name.
5373 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5374 (calculate_elim_costs_all_insns): Free offsets_at and
5375 offsets_known_at at the end and clear the pointers.
5377 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5379 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5380 this option introduced in r180739.
5382 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5385 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5386 (tmake_file target=avr): Add avr/t-multilib.
5388 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5389 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5390 * config/avr/genmultilib.awk: New file.
5391 * config/avr/t-multilib: New auto-generated file.
5392 * config/avr/multilib.h: New auto-generated file.
5393 * config/avr/t-avr (AVR_MCUS): New variable.
5394 (genopt.sh): Use it.
5395 (s-mlib): Depend on t-multilib.
5396 (t-multilib, multilib.h): New dependencies.
5397 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5398 (MULTILIB_OPTIONS): Remove.
5399 (MULTILIB_MATCHES): Remove.
5400 (MULTILIB_DIRNAMES): Remove.
5401 (MULTILIB_EXCEPTIONS): Remove:
5402 * config/avr/genopt.sh: Don't use hard coded file name;
5403 pass AVR_MCUS from t-avr instead.
5405 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5407 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5409 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5411 Implement light-weight DImode support.
5412 * config/avr/avr-dimode.md: New file.
5413 * config/avr/avr.md: Include it.
5414 (adjust_len): Add plus64, compare64.
5415 (HIDI): Remove code iterator.
5416 (code_stdname): New code attribute.
5417 (rotx, rotsmode): Remove DI.
5418 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5420 * config/avr/avr-protos.h (avr_have_dimode): New.
5421 (avr_out_plus64, avr_out_compare64): New.
5422 * config/avr/avr.c (avr_out_compare): Handle DImode.
5423 (avr_have_dimode): New variable definition and initialization.
5424 (avr_out_compare64, avr_out_plus64): New functions.
5425 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5426 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5427 (avr_compare_pattern): Skip DImode comparisons.
5429 2012-01-02 Revital Eres <revital.eres@linaro.org>
5431 * ddg.c (def_has_ccmode_p): New function.
5432 (add_cross_iteration_register_deps,
5433 create_ddg_dep_from_intra_loop_link): Call it.
5435 2012-01-02 Richard Guenther <rguenther@suse.de>
5438 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5440 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5442 * gcc.c (process_command): Update copyright notice dates.
5443 * gcov.c (print_version): Likewise.
5444 * gcov-dump.c (print_version): Likewise.
5445 * mips-tfile.c (main): Likewise.
5446 * mips-tdump.c (main): Likewise.
5448 2012-01-01 Ira Rosen <irar@il.ibm.com>
5450 PR tree-optimization/51704
5451 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5452 a use is inside the basic block or loop before accessing its vect info.
5454 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5456 PR rtl-optimization/51069
5457 * cfgloopmanip.c (remove_path): Removing path making irreducible
5458 region unconditional makes BB part of the region.
5460 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5462 PR tree-optimization/51683
5463 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5464 calls with side-effects.
5465 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5467 Copyright (C) 2012 Free Software Foundation, Inc.
5469 Copying and distribution of this file, with or without modification,
5470 are permitted in any medium without royalty provided the copyright
5471 notice and this notice are preserved.