1 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
4 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
5 H.J. Lu <hongjiu.lu@intel.com>
7 PR rtl-optimization/54157
8 * combine.c (gen_lowpart_for_combine): Don't return identity
9 for CONST or symbolic reference.
11 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
13 Backport from mainline
14 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
16 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
17 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
18 split_cost argument signed.
19 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
20 (ix86_avoid_lea_for_addr): Ditto.
22 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
24 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
25 the address has less than two components.
27 2012-08-02 Steve Ellcey <sellcey@mips.com>
29 Backport from mainline
30 2012-07-19 Steve Ellcey <sellcey@mips.com>
32 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
35 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
37 Backport from mainline
38 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
41 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
42 negative constant address for TARGET_X32 ...
43 (ix86_decompose_address): ... here. Reject constant addresses
44 that don't satisfy x86_64_immediate_operand predicate.
46 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
49 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
50 * config/i386/i386.c (ix86_print_operand_address): Ditto.
51 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
52 addresses. Prevent zero extensions of CONST_INT operands.
54 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
57 * config/i386/i386.md (*lea): New insn pattern.
59 (*lea<mode>_2): Ditto.
60 (*lea_{3,4,5,6}_zext): Ditto.
61 * config/i386/predicates.md (lea_address_operand): Do not reject
62 zero-extended address operands.
63 * config/i386/constraints.md (j): Remove address constraint.
64 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
66 (ix86_print_operand_address): Handle SImode subreg of an address.
67 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
69 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
71 Backport from mainline
72 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
75 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
76 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
78 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
79 (*movdi_internal_rex64): Use %E operand modifier for lea.
80 (*movsi_internal): Ditto.
82 (*lea<mode>_2): Ditto.
83 (*lea_{3,4,5,6}_zext): Ditto.
84 (*tls_global_dynamic_32_gnu): Ditto.
85 (*tls_global_dynamic_64): Ditto.
86 (*tls_dynamic_gnu2_lea_32): Ditto.
87 (*tls_dynamic_gnu2_lea_64): Ditto.
88 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
90 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
92 Backport from mainline
93 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
95 * config/i386/i386.c (ix86_address_subreg_operand): Reject
97 (ix86_print_operand_address): Assert that parts.base and parts.index
98 are non-NULL after call to simplify_subreg.
100 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
103 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
105 * config/sh/sh.c (sh_option_override): Do not change
106 flag_finite_math_only. Set TARGET_IEEE to complement of
107 flag_finite_math_only.
108 * doc/invoke.texi (SH options): Add mno-ieee. Correct
109 description of mieee and mno-ieee behavior.
111 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
114 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
117 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
119 Backport from mainline
120 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
122 PR rtl-optimization/52250
123 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
124 to put note list into. Unconditionally call move_bb_info.
125 (move_bb_info): Do not assert the blocks being in the same region,
126 just drop the note list if they are not.
128 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
130 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
132 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
134 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
135 defining statement is a SSA name that occurs in abnormal PHIs.
137 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
139 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
142 2012-07-19 Richard Guenther <rguenther@suse.de>
143 Eric Botcazou <ebotcazou@adacore.com>
145 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
146 about transition from invariant to known bits.
147 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
149 2012-07-19 Jakub Jelinek <jakub@redhat.com>
152 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
153 (cleanup_tree_cfg_bb): Don't call it.
154 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
157 2012-07-19 Christian Bruel <christian.bruel@st.com>
160 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
162 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
164 * config.gcc (v850-*-rtems*): New target.
165 * config/v850/rtems.h: New.
166 * config/v850/t-rtems: New.
168 2012-07-18 Nick Clifton <nickc@redhat.com>
170 * doc/invoke.texi (ARM Options): Document -munaligned-access.
172 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
176 Backport from mainline
177 2012-04-25 Jakub Jelinek <jakub@redhat.com>
180 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
181 instead expand it as zero extension.
183 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
185 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
186 QImode and HImode splitters. Use ix86_comparison_operator.
187 Explicitly match FLAGS_REG.
188 (DFmode cmove splitter): Explicitly match FLAGS_REG.
190 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
191 Steven Bosscher <steven@gcc.gnu.org>
192 Bernd Schmidt <bernds@codesourcery.com>
194 PR rtl-optimization/53908
195 * df-problems.c (can_move_insns_across): When doing
196 memory-reference book-keeping, handle call insns.
198 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
200 Backport from mainline
201 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
204 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
205 sibcall_insn_operand. Move it to a temporary register if not.
207 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
210 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
211 emit PIC sequence for fnaddr symbol reference in advance.
213 2012-07-09 Jason Merrill <jason@redhat.com>
216 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
217 (type_hash_eq): Likewise.
220 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
222 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
224 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
225 due to negative shift amount.
227 2012-07-06 Kai Tietz <ktietz@redhat.com>
229 Backport from mainline.
231 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
234 2012-07-06 Nick Clifton <nickc@redhat.com>
236 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
237 default_encode_section_info.
239 2012-07-06 Richard Guenther <rguenther@suse.de>
241 Backport from mainline
242 2012-03-30 Richard Guenther <rguenther@suse.de>
245 * double-int.c (rshift_double): Remove not needed cast.
247 2012-03-28 Richard Guenther <rguenther@suse.de>
250 * double-int.h (rshift_double): Remove.
251 * double-int.c (lshift_double): Use absu_hwi to make count
253 (rshift_double): Make static, take unsigned count argument,
254 remove handling of negative count argument.
255 (double_int_rshift): Dispatch to lshift_double.
257 2012-07-06 Richard Guenther <rguenther@suse.de>
259 Backport from mainline
260 2012-06-18 Richard Guenther <rguenther@suse.de>
262 PR tree-optimization/53693
263 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
264 Reject operands with more than one use.
266 2012-07-06 Richard Guenther <rguenther@suse.de>
268 Backport from mainline
269 2012-04-11 Richard Guenther <rguenther@suse.de>
272 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
273 consider loop nesting.
274 (evolution_function_is_univariate_p): Properly check the remainder
277 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
279 Backport from mainline
280 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
282 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
283 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
284 (adjacent_mem_locations): Move some code to and call...
285 (get_memref_parts): ...new function.
286 (mem_locations_overlap): New function.
287 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
288 (is_mem_ref): Rename to...
289 (find_mem_ref): ...this. Return MEM rtx.
290 (get_store_dest): Remove function.
291 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
292 new parameter and adjust calls.
293 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
294 mem refs overlap for true_store_to_load_dep_costly.
295 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
296 passed to adjacent_mem_locations.
297 (is_costly_group): Walk resolved dependency list.
298 (force_new_group): Emit group ending nop for Power6/Power7.
299 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
300 (group_ending_nop): New define_insn.
302 2012-07-04 Richard Guenther <rguenther@suse.de>
305 * gimple-fold.c (get_base_constructor): Do not return an
306 error_mark_node DECL_INITIAL.
308 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
310 Backport from mainline
311 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
313 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
314 code model string in the error message.
316 2012-07-04 Tristan Gingold <gingold@adacore.com>
318 Backport from mainline.
319 2012-06-25 Tristan Gingold <gingold@adacore.com>
321 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
322 (seh_cfa_adjust_cfa): ... that function.
323 (seh_emit_stackalloc): Do not emit out of range values.
324 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
325 UNSPEC_DEF_CFA constants.
326 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
327 * config/i386/i386.c (ix86_frame_pointer_required): Required
328 for very large frames on SEH target.
329 (ix86_compute_frame_layout): Save area is before frame pointer
330 on SEH target. Handle very large frames.
331 (ix86_expand_prologue): Likewise.
333 2012-07-04 Richard Guenther <rguenther@suse.de>
335 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
336 as in free_lang_data_in_type.
338 2012-07-02 Martin Jambor <mjambor@suse.cz>
340 Backport from mainline.
341 2012-07-02 Martin Jambor <mjambor@suse.cz>
344 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
345 dynamic type change check.
347 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
349 * tree-eh.c (lower_try_finally_switch): Really put the location of the
350 last statement of the finally block onto the switch.
352 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
354 * configure: Regenerate.
356 Backport from mainline.
357 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
359 * config.gcc (target_type_format_char): New. Document it. Set it for
361 * configure.ac (gnu_unique_option): Use target_type_format_char
362 in test. Comment rationale.
364 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
366 Backport from mainline.
367 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
369 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
371 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
373 Backport from 2012-06-28 mainline r189049
376 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
377 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
378 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
379 avr_hard_regno_call_part_clobbered.
381 2012-06-28 Richard Guenther <rguenther@suse.de>
384 * expr.c (expand_expr_real_1): Verify if the type is complete
385 before inspecting its size.
387 2012-06-27 Nick Clifton <nickc@redhat.com>
389 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
392 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
395 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
397 2012-06-26 Nick Clifton <nickc@redhat.com>
399 * config/rx/rx.md (simple_return): Use the simple_return rtx.
401 2012-06-25 Jakub Jelinek <jakub@redhat.com>
404 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
405 of x x x in the vmovlps load alternative.
407 2012-06-22 Richard Guenther <rguenther@suse.de>
409 * gcov-iov.c: Include bconfig.h and system.h.
411 2012-06-22 Richard Guenther <rguenther@suse.de>
413 PR gcov-profile/53744
414 * gcov-iov.c (main): Treat "" and "prerelease" the same.
416 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
418 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
419 DECL_IGNORED_P non-reg vars even if they are used.
421 2012-06-19 Jason Merrill <jason@redhat.com>
424 * dwarf2out.c (modified_type_die): Use scope_die_for.
425 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
426 (uses_local_type_r, uses_local_type): New.
427 (scope_die_for): Keep a type that uses a local type in local scope.
428 Use get_context_die for namespace and type scope.
430 2012-06-19 Richard Guenther <rguenther@suse.de>
433 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
434 replace it with the first non-BLOCK context.
436 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
438 PR rtl-optimization/53700
440 Backport from mainline
441 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
443 * ira-color.c (setup_left_conflict_sizes_p): Process all
446 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
448 Backport from mainline
449 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
452 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
453 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
454 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
455 instead of xop_mulv2div2di3_low.
456 (xop_p<macs>dql): Fix vec_select selector.
457 (xop_p<macs>dqh): Ditto.
458 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
459 (xop_mulv2div2di3_high): Ditto.
461 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
463 Backport from mainline:
464 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
466 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
468 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
470 Backport from mainline:
471 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
473 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
474 * config/pa/pa.c (pa_attr_length_millicode_call): Use
475 MAX_PCREL17F_OFFSET instead of fixed offset.
476 (pa_attr_length_call): Likewise.
477 (pa_attr_length_indirect_call): Likewise.
479 2012-06-15 Walter Lee <walt@tilera.com>
481 Backport from mainline:
482 2012-06-15 Walter Lee <walt@tilera.com>
484 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
486 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
488 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
490 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
492 Backport from mainline:
494 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
495 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
496 * gimple.h (block_in_transaction): Check for flag_tm.
498 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
500 PR tree-optimization/52558
502 Backport from mainline:
503 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
504 * gimple.h (gimple_set_in_transaction): Remove.
505 (gimple_in_transaction): Look in BB instead.
506 (gimple_statement_base): Remove in_transaction field.
507 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
508 * trans-mem.c (compute_transaction_bits): Place transaction bit
509 information into basic blocks.
511 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
513 PR tree-optimization/52558
514 * cfg.c (alloc_aux_for_edge): Fix comment.
515 (alloc_aux_for_edge): Remove static.
516 * basic-block.h (alloc_aux_for_edge): Protoize.
517 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
518 (execute_sm_if_changed_flag): New.
519 (execute_sm_if_changed_flag_set): New.
520 (execute_sm): Do not generate data races unless requested.
521 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
522 (tree_ssa_lim_finalize): Call free_aux_for_edges.
523 * gimple.h (block_in_transaction): New.
524 (gimple_in_transaction): Use block_in_transaction.
526 2012-06-14 Jakub Jelinek <jakub@redhat.com>
528 Backported from mainline
529 2012-06-12 Jakub Jelinek <jakub@redhat.com>
531 PR rtl-optimization/53589
532 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
533 discovery even when e->dest != target. If any LABEL_REF points
534 to e->dest label, redirect it to target's label.
536 2012-06-07 Jakub Jelinek <jakub@redhat.com>
539 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
540 returns false, replace stmt with GIMPLE_NOP.
541 (check_omp_nesting_restrictions): Instead of issuing warnings,
542 issue errors and return false if any errors were reported.
544 2012-06-14 Richard Guenther <rguenther@suse.de>
546 * BASE-VER: Set to 4.7.2.
547 * DEV-PHASE: Set to prerelease.
549 2012-06-12 Christian Bruel <christian.bruel@st.com>
552 * config/sh/sh.c (sh_option_override): Don't force
553 flag_omit_frame_pointer and maccumulate_outgoing_args.
554 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
556 2012-06-14 Release Manager
558 * GCC 4.7.1 released.
560 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
562 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
564 2012-06-13 Richard Henderson <rth@redhat.com>
566 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
567 iterator instead of INT.
569 2012-06-08 Richard Henderson <rth@redhat.com>
572 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
573 note to a clobber insn when no other insn is available.
575 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
578 * doc/invoke.texi (Wenum-compare): Update documentation.
580 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
583 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
585 (altivec_stvlxl): Ditto.
586 (altivec_stvrx): Ditto.
587 (altivec_stvrxl): Ditto.
589 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
592 * trans-mem.c (expand_block_edges): Do not skip the first
593 statement when resetting the BB.
595 2012-06-04 Richard Guenther <rguenther@suse.de>
598 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
599 create new assembler names.
601 2012-06-04 Richard Guenther <rguenther@suse.de>
603 Backport from mainline
604 2012-04-25 Jakub Jelinek <jakub@redhat.com>
607 * stor-layout.c (get_best_mode): Don't return mode with bitsize
608 larger than maxbits. Don't compute maxbits modulo align.
609 Also check that unit bytes long store at bitpos / unit * unit
610 doesn't affect bits beyond bitregion_end.
611 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
612 would not fit into bitregion_start ... bitregion_end + 1 bit
614 (store_split_bit_field): Decrease unit close to end of bitregion_end
615 if access is restricted in order to avoid mutual recursion.
617 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
619 Backport from 2012-06-04 mainline r188172
622 * config/avr/avr-stdint.h: New file.
623 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
626 2012-06-04 Jakub Jelinek <jakub@redhat.com>
628 PR tree-optimization/53550
629 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
630 is POINTER_TYPE_P, use sizetype as step type instead of type.
632 2012-06-04 Richard Guenther <rguenther@suse.de>
633 Eric Botcazou <ebotcazou@adacore.com>
635 Backport from mainline
636 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
638 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
639 Change type of BITOFFSET to signed. Make sure the lower bound of
640 the computed range is non-negative by adjusting OFFSET and BITPOS.
641 (expand_assignment): Adjust call to get_bit_range.
643 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
645 * expr.c (get_bit_range): Return the null range if the enclosing record
646 is part of a larger bit field.
648 2012-03-20 Richard Guenther <rguenther@suse.de>
650 * stor-layout.c (finish_bitfield_representative): Fallback
651 to conservative maximum size if the padding up to the next
652 field cannot be computed as a constant.
653 (finish_bitfield_layout): If we cannot compute the distance
654 between the start of the bitfield representative and the
655 bitfield member start a new representative.
656 * expr.c (get_bit_range): The distance between the start of
657 the bitfield representative and the bitfield member is zero
658 if the field offsets are not constants.
660 2012-03-16 Richard Guenther <rguenther@suse.de>
662 * stor-layout.c (finish_bitfield_representative): Fall back
663 to the conservative maximum size if we cannot compute the
664 size of the tail padding.
666 2012-03-14 Richard Guenther <rguenther@suse.de>
668 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
669 * stor-layout.c (start_bitfield_representative): New function.
670 (finish_bitfield_representative): Likewise.
671 (finish_bitfield_layout): Likewise.
672 (finish_record_layout): Call finish_bitfield_layout.
673 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
674 for QUAL_UNION_TYPE fields.
675 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
676 Stream DECL_BIT_FIELD_REPRESENTATIVE.
677 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
682 * expr.c (get_bit_range): Unconditionally extract bitrange
683 from DECL_BIT_FIELD_REPRESENTATIVE.
684 (expand_assignment): Adjust call to get_bit_range.
686 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
689 * fold-const.c (fold_binary_loc): Refine previous change.
691 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
693 Backport from mainline
694 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
697 * config/sh/sh.c (find_barrier): Add equality check of last_got to
698 avoid going above orig insn. Update comments.
700 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
702 Backport from mainline
703 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
706 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
707 prologue for unwinder and profiler.
709 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
711 Backport from mainline
712 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
714 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
716 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
718 Backport from mainline
719 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
721 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
724 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
726 Backport from mainline
727 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
729 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
730 operand is CONST_INT. Take COSTS_N_INSNS into account.
731 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
734 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
736 * config/avr/avr.opt (-msp8): Document it.
737 * doc/invoke.texi (AVR Options): Copy from trunk docu.
739 2012-05-31 Richard Guenther <rguenther@suse.de>
742 * expr.c (expand_assignment): Do not use movmisalign on
745 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
748 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
749 (pa_section_type_flags): New.
750 (pa_legitimate_constant_p): Revert previous change.
752 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
754 Backport from mainline
755 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
758 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
760 (ipa_tm_create_version): Same.
762 2012-05-30 Jason Merrill <jason@redhat.com>
765 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
766 about array compound literals.
768 2012-05-30 Richard Guenther <rguenther@suse.de>
771 * fold-const.c (fold_binary_loc): Make sure to call
772 fold_plusminus_mult_expr with the original sign of operands.
774 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
776 * explow.c (probe_stack_range): Restore simple control flow and stop
777 again when the probe cannot be generated if HAVE_check_stack.
779 2012-05-30 Jakub Jelinek <jakub@redhat.com>
781 PR rtl-optimization/53519
782 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
783 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
785 2012-05-29 Richard Guenther <rguenther@suse.de>
787 PR tree-optimization/53516
788 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
790 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
792 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
794 Backport from mainline
795 2012-05-28 Richard Guenther <rguenther@suse.de>
797 PR tree-optimization/53438
798 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
800 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
802 Backport from mainline
803 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
805 PR rtl-optimization/52528
806 * combine.c (can_combine_p): Add setting of subst_low_luid
807 before call to expand_field_assignment().
809 2012-05-26 Martin Jambor <mjambor@suse.cz>
811 Backport from mainline
812 2012-05-23 Martin Jambor <mjambor@suse.cz>
814 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
816 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
819 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
820 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
822 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
825 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
826 (ix86_expand_vec_perm): Use int mode instead of float.
828 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
831 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
832 gnu_ld variables to yes.
833 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
834 (HAVE_GNU_AS): Likewise.
835 * config.in: Regenerate.
836 * configure: Likewise.
838 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
840 Backport from mainline
841 2012-03-12 Richard Guenther <rguenther@suse.de>
842 * config/arm/arm.c (neon_dereference_pointer): Do not call
843 covert during RTL expansion.
845 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
847 Backport from mainline
848 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
851 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
852 relied on signed overflow behavior.
854 2012-05-24 Richard Guenther <rguenther@suse.de>
857 * tree-profile.c (tree_profiling): Cleanup the CFG if
858 execute_fixup_cfg requests it.
860 2012-05-24 Jakub Jelinek <jakub@redhat.com>
862 PR tree-optimization/53465
863 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
864 vr0 into *vr, then vrp_meet that.
865 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
866 have any equivalences.
867 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
870 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
872 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
874 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
875 (iterative_hash_gimple_type): Adjust comment.
876 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
877 domain for an array type instead of the domain type itself.
879 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
881 Backport from 2012-05-23 mainline r187803
884 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
885 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
888 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
890 Backport from 2012-05-03 mainline r187075
892 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
893 has_fma4 for AMD processors with both fma3 and fma4 support.
895 2012-05-22 Richard Guenther <rguenther@suse.de>
897 PR tree-optimization/53408
898 * tree-vect-loop.c (vectorizable_induction): Properly check
899 the restriction that we cannot handle induction results from
900 the inner loop outside of the outer loop.
902 2012-05-21 Jakub Jelinek <jakub@redhat.com>
904 PR tree-optimization/53436
905 * omp-low.c (omp_build_component_ref): New function.
906 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
908 PR tree-optimization/53366
909 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
910 tests if complex_numbers == 2, but there are non-complex number loads
913 PR tree-optimization/53409
914 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
915 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
917 PR tree-optimization/53410
918 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
919 instead of build_int_cst (type, 0) where vector types might be
922 2012-05-21 Joseph Myers <joseph@codesourcery.com>
925 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
926 from folded operands before wrapping another around the
927 conditional expression.
929 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
930 Patrick Marlier <patrick.marlier@gmail.com>
932 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
935 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
937 Backport from mainline
938 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
941 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
942 (UNSPECV_RDRAND): This.
943 (rdrand<mode>_1): Updated.
945 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
947 Backport from mainline
948 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
950 * config/i386/driver-i386.c (host_detect_local_cpu): Support
951 RDRND, F16C and FSGSBASE.
953 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
955 Backport from mainline
956 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
958 * tree-ssa-pre.c (can_value_number_call): Delete.
959 (compute_avail): Skip all statements with side effects.
960 <GIMPLE_CALL>: Skip calls to internal functions.
962 2012-05-18 David S. Miller <davem@davemloft.net>
964 Backport r185385 from mainline
965 2012-03-14 Richard Guenther <rguenther@suse.de>
968 * tree-vect-generic.c (type_for_widest_vector_mode): Take
969 element type instead of mode, use build_vector_type_for_mode
970 instead of the langhook, build a vector of proper signedness.
971 (expand_vector_operations_1): Adjust.
973 2012-05-18 Olivier Hainque <hainque@adacore.com>
975 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
976 $(libsubdir) as libexecsubdir.
978 2012-05-16 Andrew Pinski <apinski@cavium.com>
980 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
983 2012-05-16 David S. Miller <davem@davemloft.net>
985 * jump.c (delete_related_insns): If we remove a CALL, make sure
986 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
988 2012-05-16 Richard Henderson <rth@redhat.com>
991 * combine-stack-adj.c (prev_active_insn_bb): New.
992 (next_active_insn_bb): New.
993 (force_move_args_size_note): New.
994 (combine_stack_adjustments_for_block): Use it.
996 2012-05-16 Olivier Hainque <hainque@adacore.com>
998 * Makefile.in (install-no-fixedincludes): New target, former toplevel
999 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1000 Add comments and improve stamp preservation across the whole sequence.
1001 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1003 2012-05-16 Richard Guenther <rguenther@suse.de>
1005 PR tree-optimization/53364
1006 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1007 detect a view-conversion of the decl.
1009 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1012 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1013 that operands[2] is either immediate, or q_regs_operand.
1015 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1017 Backport r187139 from mainline.
1018 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1020 PR rtl-optimization/52804
1021 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1022 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1023 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1024 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1025 RELOAD_FOR_OUTADDR_ADDRESS.
1027 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1030 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1031 generate target register for "load" class builtins.
1034 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1037 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1038 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1039 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1040 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1041 (<sse>_movu<ssemodesuffix>): New expander.
1042 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1043 (avx_movdqu<avxmodesuffix>): New expander.
1044 (*sse2_movdqu): Rename from sse2_movdqu.
1045 (sse2_movdqu): New expander.
1047 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1049 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1050 lineno 1 the same as lineno 0 before first start file directive.
1051 (optimize_macinfo_range): Likewise.
1053 * dwarf2out.c (have_macinfo): Define.
1054 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1055 attribute, don't force empty compilation unit and don't emit any
1056 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1058 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1060 Backport from mainline
1061 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1063 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1064 ORDERED and UNORDERED conditions.
1066 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1068 * function.c (requires_stack_frame_p): If the function can throw
1069 non-call exceptions, return true if the insn can throw internally.
1071 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1073 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1074 DECL_ORIGINAL_TYPE if it is present.
1076 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1078 Backport from 2012-05-12 mainline r187342.
1081 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1082 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1083 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1084 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1085 (expand_prologue): Move initialization of cfun->machine->is_naked,
1086 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1087 (avr_set_current_function): ...this new static function.
1088 (TARGET_SET_CURRENT_FUNCTION): New define.
1089 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1090 checking attributes of current_function_decl.
1091 (avr_regs_to_save): Ditto.
1092 (signal_function_p): Rename to avr_signal_function_p.
1093 (interrupt_function_p): Rename to avr_interrupt_function_p.
1095 * doc/extend.texi (Function Attributes): Better explanation of
1096 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1099 2012-05-09 Matthias Klose <doko@ubuntu.com>
1101 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1103 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1106 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1107 when a constant source operand matches an "I" constraint, the "no
1108 CC0 change" applies to a register-destination only, not a
1109 strict_low_part-destination.
1111 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1113 Backport from mainline:
1114 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1116 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1118 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1120 PR tree-optimization/53239
1121 * tree-vrp.c (get_value_range): Set VR of
1122 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1125 2012-05-07 Richard Guenther <rguenther@suse.de>
1127 PR tree-optimization/53195
1128 * tree-inline.c (setup_one_parameter): Properly add referenced
1129 vars from the parameters new known value.
1131 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1133 Backport from mainline:
1134 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1137 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1140 2012-05-04 Ian Lance Taylor <iant@google.com>
1142 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1143 values from false to NULL.
1145 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1147 Backport from mainline
1148 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1151 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1152 (TARGET_CMOV): Rename from TARGET_CMOVE.
1153 (TARGET_CMOVE): New define.
1154 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1155 Do not set TARGET_CMOVE here.
1157 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1159 Backport from mainline:
1161 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1163 PR tree-optimization/52633
1164 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1165 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1166 (vect_recog_over_widening_pattern): Remove handling of code that was
1167 already detected as over-widening pattern. Remove special handling
1168 of "unsigned" cases. Instead, support general case of conversion
1169 of the shift result to another type.
1171 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1173 * tree-vect-patterns.c (vect_single_imm_use): New function.
1174 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1175 (vect_recog_over_widening_pattern): Likewise.
1176 (vect_recog_widen_shift_pattern): Likewise.
1178 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1180 PR tree-optimization/52870
1181 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1182 presumed pattern statement is within the same loop or basic block.
1184 2012-05-04 Richard Guenther <rguenther@suse.de>
1186 * common.opt (flto-report): Do not mark as Optimization.
1188 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1191 * recog.c (constrain_operands): If extra constraints are present, also
1192 accept pseudo-registers with equivalent memory locations during reload.
1194 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1196 Backport from the mainline
1197 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1200 * config/rs6000/rs6000.md (bswapdi splitters): If
1201 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1202 default) is used, generate an alternate sequence that does not
1203 depend on using indexed addressing.
1205 2012-05-03 David S. Miller <davem@davemloft.net>
1208 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1209 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1210 (sparc_emit_float_lib_cmp): Likewise.
1212 2012-05-04 Martin Jambor <mjambor@suse.cz>
1214 Backport from mainline
1215 2012-05-02 Martin Jambor <mjambor@suse.cz>
1218 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1219 of a variable when the contect is a function.
1221 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1224 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1225 append program name to it and pass that as first argument
1226 to make_relative_prefix. Always pass standard_libexec_prefix
1227 as last argument to make_relative_prefix. If
1228 make_relative_prefix returns NULL, fall back to
1229 standard_libexec_prefix.
1232 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1236 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1237 mode, return that mode.
1239 2012-05-03 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/53144
1242 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1244 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1245 with SSA name values.
1246 (vn_reference_lookup_3): Adjust callers.
1248 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1250 PR tree-optimization/53163
1251 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1252 return value from compute_all_dependences.
1254 PR rtl-optimization/53160
1255 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1256 has been modified by ree pass already.
1258 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1260 Backport from mainline
1261 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1264 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1265 calls to cgraph_node_name in xstrdup.
1266 (ipa_make_edge_direct_to_target): Ditto.
1267 * tree-sra.c (convert_callers_for_node): Ditto.
1268 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1269 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1270 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1271 (cgraph_materialize_all_clones): Ditto.
1272 * ipa-inline.c (report_inline_failed_reason): Ditto.
1273 (want_early_inline_function_p): Ditto.
1274 (edge_badness): Ditto.
1275 (update_edge_key): Ditto.
1276 (flatten_function): Ditto.
1277 (ipa_inline): Ditto.
1278 (inline_always_inline_functions): Ditto.
1279 (early_inline_small_functions): Ditto.
1281 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1283 Backport from mainline
1284 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1286 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1287 Introduce emul_name to select the right linker emulation for
1288 powerpc64-*-freebsd*.
1289 * configure: Regenerate.
1290 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1291 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1292 * config/rs6000/freebsd64.h: New file.
1293 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1295 (rs6000_savres_strategy): Likewise.
1296 (rs6000_savres_routine_name): Likewise.
1297 (rs6000_elf_file_end): Likewise.
1298 * config/rs6000/t-freebsd64: New file.
1299 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1300 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1302 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1304 Backport from mainline
1305 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1308 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1310 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1312 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1313 predicate to discriminate types.
1315 2012-04-27 Richard Guenther <rguenther@suse.de>
1318 * convert.c (convert_to_integer): Avoid infinite recursion for
1319 target-defined built-in types.
1321 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1324 * config/cris/cris.md ("*andhi_lowpart_v32")
1325 ("*andqi_lowpart_v32"): Change first input-only operand from
1326 a (match_operand ...) to (match_dup 0). Drop alternatives with
1327 const_int-matching constraints for redundancy.
1328 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1329 three-operand alternative.
1331 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1333 Backport from mainline
1334 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1336 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1337 (*addsi_2_zext): Ditto.
1338 (*add<mode>_3): Ditto.
1339 (*addsi_3_zext): Ditto.
1340 (*add<mode>_5): Ditto.
1342 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1345 * c-typeck.c (set_nonincremental_init,
1346 set_nonincremental_init_from_string): Pass true instead of false
1347 as IMPLICIT to add_pending_init.
1349 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1351 Backport from 2012-04-24 mainline r186768.
1354 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1356 2012-04-24 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/53085
1359 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1362 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1365 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1367 (output_addressed_constants): Likewise.
1370 * varasm.c (get_section): Don't ICE for section conflicts with
1371 built-in section kinds.
1373 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1375 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1377 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1379 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1381 2012-04-23 Richard Guenther <rguenther@suse.de>
1384 * c-typeck.c (build_binary_op): Fix typo.
1386 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1388 PR tree-optimizations/52891
1389 * tree-vect-patterns.c (adjust_bool_pattern): Use
1390 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1391 but with non-standard precision.
1393 2012-04-22 Ian Lance Taylor <iant@google.com>
1395 * godump.c (go_output_typedef): Dump size of structs.
1397 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1399 Backport from mainline:
1401 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1402 hints for 'A' operand types.
1404 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1406 Backport from 2012-04-19 mainline r186588.
1409 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1410 the case *(X+const).
1412 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1414 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1416 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1419 * config/i386/sync.md (atomic_<code><mode>): Rename to
1420 atomic_<logic><mode>.
1422 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1424 Backport from mainline
1425 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1428 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1429 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1430 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1431 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1432 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1433 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1434 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1435 gen_avx2_permvarv8sf.
1437 2012-04-16 Martin Jambor <mjambor@suse.cz>
1439 Backported from mainline
1441 2012-04-13 Martin Jambor <mjambor@suse.cz>
1444 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1445 fold_ctor_reference returns a zero constant.
1447 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1449 Backported from mainline
1450 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1452 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1453 and __ILP32__ for x32.
1455 2012-04-13 Tom de Vries <tom@codesourcery.com>
1457 Backport from mainline r186418.
1459 2012-04-13 Tom de Vries <tom@codesourcery.com>
1461 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1462 parameters vuse and vuse_escaped.
1463 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1464 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1467 2012-04-13 Richard Guenther <rguenther@suse.de>
1469 PR tree-optimization/52969
1470 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1471 the condition for the COND_EXPR and handle predicate negation
1472 by swapping the COND_EXPR arms.
1474 2012-04-13 Richard Guenther <rguenther@suse.de>
1477 * convert.c (convert_to_pointer): Remove special-casing of
1480 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1482 Backport from mainline
1483 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1486 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1487 the list of options to enable the FCFID instruction.
1488 (TARGET_EXTRA_BUILTINS): Adjust comment.
1490 2012-04-12 Richard Guenther <rguenther@suse.de>
1492 PR tree-optimization/52943
1493 * tree-chrec.h (chrec_is_positive): Remove.
1494 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1495 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1496 Return false for a constant zero instead of negative.
1497 (analyze_siv_subscript_cst_affine): Handle zero difference
1498 in the initial condition explicitely.
1500 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1503 * varasm.c (process_pending_assemble_externals): Set
1504 pending_assemble_externals_processed true.
1505 (assemble_external): Call assemble_external_real if the pending
1506 assemble externals have been processed.
1508 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1511 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1512 the DECL generated for the special GOT helper.
1514 2012-04-06 Walter Lee <walt@tilera.com>
1516 Backport from mainline
1517 2012-03-07 Walter Lee <walt@tilera.com>
1519 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1520 REG_CFA_* notes for the stack pointer.
1521 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1522 EH_RETURN_STACKADJ_RTX.
1523 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1524 generate REG_CFA_* notes for the stack pointer.
1525 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1526 by EH_RETURN_STACKADJ_RTX.
1528 2012-04-06 Matt Turner <mattst88@gmail.com>
1530 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1532 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1534 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1535 of the destination isn't also a FP_REGS register.
1537 2012-04-03 Richard Guenther <rguenther@suse.de>
1539 Backport from mainline
1540 2012-03-02 Richard Guenther <rguenther@suse.de>
1542 PR tree-optimization/52406
1543 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1544 (struct indices): Add unconstrained_base member.
1545 (struct dr_alias): Remove unused vops member.
1546 (DR_UNCONSTRAINED_BASE): New define.
1547 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1548 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1549 be an artificial access that covers the whole indexed object,
1550 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1551 plain decl base-objects to their MEM_REF variant.
1552 (dr_may_alias_p): When the base-object of either data reference
1553 has unknown size use only points-to information.
1554 (compute_affine_dependence): Make dumps easier to read and
1556 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1557 DR_REF when looking for packed references.
1558 (vect_supportable_dr_alignment): Likewise.
1560 2012-04-03 Richard Guenther <rguenther@suse.de>
1562 Backport from mainline
1563 2012-03-15 Richard Guenther <rguenther@suse.de>
1566 * tree-data-ref.c (subscript_dependence_tester_1): Check
1567 all dimensions for non-conflicting access functions.
1569 2012-04-03 Richard Guenther <rguenther@suse.de>
1571 Backport from mainline
1572 2012-03-06 Richard Guenther <rguenther@suse.de>
1575 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1577 2012-03-23 Richard Guenther <rguenther@suse.de>
1579 PR tree-optimization/52678
1580 * tree-vectorizer.h (struct _stmt_vec_info): Add
1581 loop_phi_evolution_part member.
1582 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1583 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1584 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1585 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1586 Use the cached evolution part and the PHI nodes value from
1587 the loop preheader edge instead of re-analyzing the evolution.
1589 2012-03-26 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/52701
1592 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1593 compute and set the evolution part of PHI nodes.
1595 2012-03-30 Richard Guenther <rguenther@suse.de>
1597 PR tree-optimization/52754
1598 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1599 propagate arbitrary addresses into really plain dereferences.
1601 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1603 PR tree-optimization/52835
1604 * tree-data-ref.c (build_rdg): Return NULL if
1605 compute_data_dependences_for_loop failed.
1607 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1609 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1610 (stmt_can_make_abnormal_goto): Use it.
1611 (is_ctrl_altering_stmt): Likewise.
1613 2012-03-31 Martin Jambor <mjambor@suse.cz>
1615 Backported from mainline
1616 2012-03-30 Martin Jambor <mjambor@suse.cz>
1618 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1619 is a builtin_stack_save in a dominating BB.
1621 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1623 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1624 crossing 128bit lane boundary.
1626 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1628 Backported from mainline
1629 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1632 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1634 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1635 * config/i386/i386.c: Include reload.h.
1636 (ix86_legitimize_reload_address): New function.
1638 2012-03-28 Martin Jambor <mjambor@suse.cz>
1640 Backported from mainline
1641 2012-03-27 Martin Jambor <mjambor@suse.cz>
1644 * tree-sra.c (sra_modify_assign): Do not call
1645 load_assign_lhs_subreplacements when working with an unscalarizable
1648 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1651 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1652 __builtin_va_start to __builtin_next_arg if the latter is
1653 builtin_decl_explicit_p rather than when it is not.
1656 * tree-vect-generic.c (vector_element): Perform multiplication
1657 for pos in bitsizetype type instead of idx type.
1659 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1661 Backport from 2012-03-28 mainline r185910.
1664 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1665 (avr_builtin_decl): New static function.
1666 (struct avr_builtin_description, avr_bdesc): Move up.
1667 Add GTY marker. Add field fndecl. Remove redundant field id.
1668 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1669 (avr_expand_builtin): Code cleanup because .id is removed.
1671 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1674 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1677 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1679 Backport from 2012-03-28 mainline r185907.
1682 * config.gcc (tm_file): Remove avr/multilib.h.
1684 * doc/invoke.texi (AVR Options): Adjust
1685 documentation of -mtiny-stack.
1687 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1688 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1689 * config/avr/t-avr: Remove generation of multilib.h.
1690 * config/avr/t-multilib: Regenerate.
1691 * config/avr/multilib.h: Remove.
1692 * config/avr/avr.opt (-msp8): New option.
1693 (avr_sp8): New variable.
1694 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1695 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1696 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1697 (avr_device_to_sp8): New prototype.
1698 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1699 (DRIVER_SELF_SPECS): New define.
1700 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1701 __AVR_SP8__, __AVR_HAVE_SPH__.
1702 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1703 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1704 (avr_file_start): Ditto.
1706 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1709 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1710 instead of 8 in adjust_address.
1712 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1714 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1715 of a unit before computing the offset in units.
1717 2012-03-27 Richard Guenther <rguenther@suse.de>
1720 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1723 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1726 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1728 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1731 * varasm.c: Include pointer-set.h.
1732 (pending_assemble_externals_set): New pointer set.
1733 (process_pending_assemble_externals): Destroy the pointer set.
1734 (assemble_external): See if decl is in pending_assemble_externals_set,
1735 and add it to pending_assemble_externals if necessary.
1736 (init_varasm_once): Allocate pending_assemble_externals_set.
1738 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1740 Backported from mainline
1741 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1744 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1745 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1746 (vector_ltgt<mode>): Likewise.
1747 (vector_ordered<mode>): Likewise.
1748 (vector_unordered<mode>): Likewise.
1749 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1751 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1753 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1756 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1758 Backported from mainline
1759 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1763 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1764 GENERAL_REGS and FP_REGS for SImode.
1766 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1769 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1770 on any new_local_var_chain vars declared during recursing on
1771 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1773 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1775 Backport from 2012-03-22 mainline r185692.
1778 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1779 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1780 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1781 (delay_cycles_1, delay_cycles_2): Ditto.
1782 (delay_cycles_3, delay_cycles_4): Ditto.
1783 (nopv, *nopv): Ditto.
1784 (sleep, *sleep): Ditto.
1787 Backport from 2012-03-21 mainline r185605.
1789 PR rtl-optimization/52543
1791 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1792 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1793 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1794 (avr_load_libgcc_p): Restrict to __flash loads.
1795 (avr_out_lpm): Only handle 1-byte loads from __flash.
1796 (avr_load_lpm): New function.
1797 (avr_find_unused_d_reg): Remove.
1798 (avr_out_lpm_no_lpmx): Remove.
1799 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1800 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1801 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1802 (load_<mode>, load_<mode>_clobber): New insns.
1803 (mov<mode>): For multi-byte move from non-generic
1804 16-bit address spaces: Expand to load_<mode> resp.
1805 load_<mode>_clobber.
1806 (load<mode>_libgcc): Remove expander.
1807 (split-lpmx): Remove split.
1809 Backport from 2012-03-13 mainline r185329.
1812 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1813 offset (size) to a value the insns can deal with.
1814 (expand_epilogue): Ditto.
1816 Backport from 2012-03-12 mainline r185256.
1819 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1820 type from reg_class_t to enum reg_class.
1821 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1823 Backport from 2012-03-12 mainline r185253.
1826 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1827 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1828 r184615 from 2012-02-28.
1830 Backport from 2012-03-08 mainline r185105.
1832 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1833 for constants in [-63,63].
1835 Backport from 2012-03-08 mainline r185100.
1838 * config/avr/avr.c (avr_mem_clobber): New static function.
1839 (avr_expand_delay_cycles): Add memory clobber operand to
1840 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1841 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1842 (enable_interrupt, disable_interrupt): New expander.
1843 (nopv, sleep, wdr): New expanders.
1844 (delay_cycles_1): Add memory clobber.
1845 (delay_cycles_2): Add memory clobber.
1846 (delay_cycles_3): Add memory clobber.
1847 (delay_cycles_4): Add memory clobber.
1848 (cli_sei): New insn from former "enable_interrupt",
1849 "disable_interrupt" with memory clobber.
1850 (*wdt): New insn from former "wdt" with memory clobber.
1851 (*nopv): Similar, but for "nopv".
1852 (*sleep): Similar, but for "sleep".
1854 Backport from 2012-03-07 mainline r185043.
1857 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1859 Backport from 2012-03-07 mainline r185032.
1862 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1863 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1864 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1866 Backport from 2012-03-07 mainline r185031.
1869 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1871 * config/avr/avr.md (xload_8): Adjust insn length.
1873 Backport from 2012-03-07 mainline r185030.
1876 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1877 if RAMPZ affects reading from RAM.
1879 Backport from 2012-03-05 mainline r184919.
1881 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1883 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1885 Backport from mainline r185259.
1888 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1889 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1891 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1893 Backported from mainline
1894 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1897 * c-parser.c (c_parser_postfix_expression)
1898 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1900 * config/i386/smmintrin.h: Avoid /* within a comment.
1901 * config/i386/nmmintrin.h: Likewise.
1903 2012-03-22 Richard Guenther <rguenther@suse.de>
1905 * BASE-VER: Set to 4.7.1.
1906 * DEV-PHASE: Set to prerelease.
1908 2012-03-22 Release Manager
1910 * GCC 4.7.0 released.
1912 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1914 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1916 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1917 Andrew Pinski <apinski@cavium.com>
1920 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1921 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1922 calls instead of __builtin_ir{int,ound}*.
1924 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1927 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1930 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1932 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1933 Refer to GCC 4.7 version of c99status.html.
1935 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1937 Backport from mainline
1938 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1940 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1941 redefine to be NULL if the current bit-size is different from the
1942 configured bit-size.
1944 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1945 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1946 set the default tuning. Add asserts to make sure the cpu and tune
1947 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1948 test whether the index is set, instead of > 0.
1949 (rs6000_file_start): Do not reset the default cpu if the current
1950 bit-size is different from the configured bit-size.
1952 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1954 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1956 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1957 Update binutils references.
1958 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1959 Update binutils reference.
1960 Update Sun as/GNU ld caveat.
1961 Document binutils largefile requirement for LTO plugin.
1962 Remove reference to alternate libpthread.
1964 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1966 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1968 (Specific, mips-sgi-irix6): Likewise.
1970 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1972 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1973 * configure: Regenerate.
1975 2012-03-07 Richard Henderson <rth@redhat.com>
1977 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1978 * config/m68k/sync.md (atomic_test_and_set): Use it.
1979 (atomic_test_and_set_1): Likewise.
1981 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1984 * Makefile.in: Let install-gcc-ar depend on installdirs,
1985 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1986 Don't double canonicalize if cross-compiling.
1988 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1990 * trans-mem.c: New typedef for tm_region_p.
1991 Define vector types for tm_region_p.
1992 (tm_region_init): Replace region_worklist to a vector called
1995 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1998 * trans-mem.c (tm_region_init): Use last_basic_block.
2000 2012-03-05 Richard Henderson <rth@redhat.com>
2003 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2004 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2005 BIGGEST_ALIGNMENT is aligned.
2007 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2009 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2011 2012-03-05 Richard Henderson <rth@redhat.com>
2014 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2015 instead of calling negqi2 directly.
2017 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2019 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2020 (INTMAX_TYPE): Use it.
2021 (UINTMAX_TYPE): Likewise.
2022 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2023 (irix6_c_common_override_options): Declare.
2024 (C_COMMON_OVERRIDE_OPTIONS): Define.
2025 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2026 * config/mips/irix6-c.c: New file.
2027 * config/mips/t-irix6 (irix6-c.o): New target.
2028 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2031 2012-03-02 Richard Henderson <rth@redhat.com>
2033 * optabs.c (expand_atomic_test_and_set): Honor
2034 atomic_test_and_set_trueval even when atomic_test_and_set
2035 optab is not in use.
2037 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2039 Backport from mainline
2040 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2042 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2044 2012-03-02 Richard Guenther <rguenther@suse.de>
2046 * DEV-PHASE: Set to prerelease.
2048 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2050 * config.gcc (obsolete): Add all ARM targets using the FPA.
2051 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2052 * doc/install.texi: Avoid references to obsolete ARM ports.
2054 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2056 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2058 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2059 Joern Rennecke <joern.rennecke@embecosm.com>
2061 * doc/extend.texi: Expand and update information on interrupt
2062 attribute for Epiphany.
2064 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2066 * config/sh/sh-protos.h: Update copyright notice dates.
2067 * config/sh/sh.h: Likewise.
2068 * config/sh/sh.md: Likewise.
2069 * config/sh/constraints.md: Likewise.
2070 * config/sh/predicates.md: Likewise.
2072 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2074 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2075 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2077 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2079 * config/sh/constraints.md: Fix comment typo.
2081 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2084 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2085 unsigned HOST_WIDE_INT.
2086 (zvdep_imm64): Likewise.
2087 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2088 (vdepi_and): Likewise.
2089 Likewise for unamed 64-bit patterns.
2090 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2092 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2095 PR rtl-optimization/52417
2096 * cselib.c (cselib_any_perm_equivs): New variable.
2097 (cselib_reset_table): Check that it's not set when not
2098 preserving constants.
2099 (cselib_add_permanent_equiv): Set it.
2100 (cselib_have_permanent_equivalences): New.
2101 (cselib_init, cselib_finish): Reset it.
2102 * cselib.h (cselib_have_permanent_equivalences): Declare.
2103 * alias.c (get_addr): Restore earlier behavior when there
2104 aren't permanent equivalences.
2106 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2108 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2109 * config/v850/v850-modes.def: Fix copyright notice.
2111 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2113 * doc/extend.texi (AVR Built-in Functions): Document
2114 __builtin_avr_flash_segment.
2116 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2117 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2118 (*split.flash_segment): New insn-and-split.
2119 * config/avr/avr.c (avr_init_builtins): Add local variables:
2120 const_memx_void_node, const_memx_ptr_type_node,
2121 char_ftype_const_memx_ptr.
2123 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2125 PR tree-optimization/52445
2126 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2127 add ssa_name_ver, offset and size fields and change store field
2129 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2130 (add_or_mark_expr): Likewise. Only consider previous stores
2131 with the same size and offset.
2132 (nt_init_block): Only look at gimple_assign_single_p stmts,
2133 doesn't look at rhs2.
2135 2012-03-01 Richard Guenther <rguenther@suse.de>
2138 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2139 conversions from integral types to pointer types.
2141 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2143 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2144 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2145 unintentionally removed in r184616.
2147 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2149 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2152 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2153 Uros Bizjak <ubizjak@gmail.com>
2156 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2157 alternatives, add "e" constraint to the new last alternative
2158 and ! to last 3 alternatives.
2160 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2162 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2163 DW_AT_artificial attributes at the end of the processing.
2164 (gen_array_type_die): Likewise.
2165 (gen_enumeration_type_die): Likewise.
2166 (gen_struct_or_union_type_die): Likewise.
2167 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2170 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2173 * expr.c (expand_assignment): If doing misaligned store that doesn't
2174 cover all mode bits, perform a RMW cycle.
2176 PR tree-optimization/52429
2177 * tree-parloops.c (separate_decls_in_region_debug): Return early
2178 if var is LABEL_DECL.
2180 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2182 PR tree-optimization/52424
2183 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2184 calling dom_thread_across_edge.
2186 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2188 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2190 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2192 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2193 * config/avr/avr.c (avr_output_bld): Remove unused function.
2194 (avr_out_sbxx_branch): Use "%T" to print bit position.
2196 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2198 * config/avr/avr.md: Untabify.
2200 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2202 * config/avr/avr.md (eqne): New code iterator.
2203 (*dec-and-branchsi): Use it in text peephole's condition.
2204 (*dec-and-branchhi): Ditto.
2205 (*dec-and-branchqi): Ditto.
2207 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2210 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2211 the device does not have the skip-bug.
2213 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2215 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2216 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2217 -mpretend-cmove): New.
2219 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2222 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2223 doesn't count DEBUG_INSN refs.
2224 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2225 for DEBUG_INSN refs.
2227 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2231 2012-02-20 Richard Guenther <rguenther@suse.de>
2232 PR tree-optimization/52298
2233 * tree-vect-stmts.c (vectorizable_load): Properly use
2234 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2237 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2240 * gimple.h (gimple_in_transaction): New.
2241 (gimple_set_in_transaction): New.
2242 (struct gimple_statement_base): Add in_transaction field.
2243 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2245 (tree_ssa_lim_initialize): Compute transaction bits.
2246 * tree.h (compute_transaction_bits): Protoize.
2247 * trans-mem.c (tm_region_init): Use the heap to store BB
2249 (compute_transaction_bits): New.
2251 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2253 * gcc.c (display_help): Document --help=common and sort entries
2256 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2258 * doc/install.texi: Document check-$LANG specific shortcuts
2260 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2263 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2265 * config/arm/arm_neon.h: Regenerate.
2266 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2267 (neon_vcgeu): New insn.
2268 (neon_vcgtu): Likewise.
2269 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2270 (ops): Unsigned comparison intrinsics call a different
2273 2012-02-28 Richard Guenther <rguenther@suse.de>
2276 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2277 ordering for the VEC_CONCAT for two element vectors for
2278 V2SFmode, V2SImode and V2DImode.
2280 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2283 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2284 detecting big-endian triplets.
2286 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2288 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2289 mode if there is no type information available.
2291 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2293 PR tree-optimization/53207
2294 * doc/invoke.texi: Document as experimental and relying on graphite.
2296 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2298 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2299 of initializer to changes from r184614.
2301 2012-02-28 Richard Guenther <rguenther@suse.de>
2303 PR tree-optimization/52395
2304 * tree-sra.c (build_ref_for_offset): Also look at the base
2305 TYPE_ALIGN when figuring out the alignment of the replacement.
2307 2012-02-28 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/52402
2310 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2311 mis-aligned types when creating the accesses at the call site.
2313 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2315 * config/avr/builtins.def: New file.
2316 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2317 * config/avr/avr.c (enum avr_builtin_id): Use it.
2318 (avr_init_builtins): Use it. And use avr_bdesc.
2319 (bdesc_1arg): Remove.
2320 (bdesc_2arg): Remove.
2321 (bdesc_3arg): Remove.
2322 (struct avr_builtin_description): Add field n_args.
2323 (avr_bdesc): New static variable using builtins.def.
2324 (avr_expand_builtin): Use it.
2325 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2326 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2327 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2329 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2332 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2333 match only one single hard register with respective hard reg rtx.
2334 (movmemx_<mode>): Ditto.
2335 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2336 insn anatomy of movmem[x]_<mode>.
2337 (avr_out_movmem): Same for printing assembler and operand usage.
2339 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2343 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2344 address spaces located outside of device flash.
2346 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2347 (mcu_type_s): Add field n_flash.
2348 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2349 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2350 (AVR_MCU): Add N_FLASH argument.
2351 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2352 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2353 macro __FLASH<n> if that address space makes sense for the device.
2354 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2355 outside of target flash.
2356 (avr_asm_named_section): Ditto.
2357 (avr_asm_select_section): Ditto.
2358 (avr_addr_space_convert): Ditto.
2359 (avr_emit_movmemhi): Ditto.
2360 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2361 address space is outside of device flash.
2362 (avr_insert_attributes): Ditto.
2363 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2364 avr_current_arch->n_segments.
2366 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2369 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2371 (*movabs<mode>_2): Likewise.
2373 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2376 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2377 s_register_operand in the test instead of REG_P. Don't call
2378 gen_reg_rtx if it won't be used.
2380 PR tree-optimization/52376
2381 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2383 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2385 * ifcvt.c (noce_get_condition): Check condition variable is not
2386 small_register_classes_for_mode_p before accepting.
2388 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2390 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2392 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2395 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2396 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2398 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2400 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2402 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2404 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2406 * config/sh/predicates.md: Remove blank lines.
2407 * config/sh/sh.c: Fix typos in comments.
2408 * config/sh/constraints.md: Likewise.
2409 * config/sh/sh.md: Remove blank lines.
2410 Fix typos in comments. Use ;; as comment characters.
2412 2012-02-26 Walter Lee <walt@tilera.com>
2414 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2415 (replace_mov_pcrel_step2): Ditto.
2417 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2420 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2421 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2422 and locs that reference values newer than the non-canonical value
2423 at hand. Return the canonical value as a worst case.
2424 (memrefs_conflict_p): Walk canonical value's locs.
2427 * cselib.c (preserve_only_constants): Rename to...
2428 (preserve_constants_and_equivs): ... this. Split out...
2429 (invariant_or_equiv_p): ... this. Preserve plus expressions
2430 of other preserved expressions too.
2431 (cselib_reset_table): Adjust.
2432 * var-tracking.c (reverse_op): Use canonical value to build
2435 2012-02-23 Kai Tietz <ktietz@redhat.com>
2437 * config/i386/i386.c (ix86_delegitimize_address): Handle
2438 UNSPEC_PCREL plus displacement.
2440 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2443 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2444 to test for unusedness in st X addressing.
2446 2012-02-24 Richard Guenther <rguenther@suse.de>
2449 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2450 (is_gimple_reg_type): Move inline ...
2451 * gimple.h (is_gimple_reg_type): ... here.
2453 2012-02-24 Richard Guenther <rguenther@suse.de>
2456 * passes.c (execute_function_todo): When verifying SSA form
2457 verify gimple form first.
2458 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2460 2012-02-24 Richard Guenther <rguenther@suse.de>
2463 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2464 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2466 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2468 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2470 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2472 * tree-phinodes.c (make_phi_node): Mark static.
2473 * tree-flow.h (make_phi_node): Remove extern decl.
2474 * doc/gimple.texi (make_phi_node): Remove documentation.
2476 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2478 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2479 * tree-ssa-sccvn.c (print_scc): Ditto.
2481 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2483 * doc/passes.texi (Full redundancy elimination): Fix typo.
2485 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2487 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2489 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2492 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2494 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2497 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2499 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2501 * config/avr/avr.md (code_stdname): Add ior, xor.
2502 (xior): New code iterator.
2503 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2504 (*<code_stdname><mode>qi.byte1-3): Ditto.
2506 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2508 PR tree-optimization/52019
2509 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2512 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2514 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2515 HAVE_INITFINI_ARRAY to work around namespace pollution in
2516 certain versions of newlib system headers.
2517 * config.in: Regenerate.
2518 * configure: Regenerate.
2519 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2520 instead of HAVE_INITFINI_ARRAY.
2522 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2525 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2526 is not offsettable memory reference.
2528 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2531 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2532 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2534 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2536 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2537 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2539 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2541 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2542 library on Solaris 8 even without TLS support.
2543 * configure: Regenerate.
2545 2012-02-22 Richard Guenther <rguenther@suse.de>
2548 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2549 for GIMPLE_DEBUG stmts.
2551 2012-02-22 Martin Jambor <mjambor@suse.cz>
2554 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2555 according to the base object.
2557 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2559 PR rtl-optimization/50063
2560 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2561 and 2 (8-bit SP) in operand 2.
2562 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2563 setup to use movhi_sp_r instead of vanilla move to write SP.
2564 Adjust REG_CFA notes to superseed unspec.
2565 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2567 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2568 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2569 irq_state 1 (IRQ known to be on) here.
2571 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2573 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2575 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2576 assign_hard_reg): Likewise.
2578 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2580 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2582 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2585 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2586 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2588 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2590 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2591 prototype from here to...
2592 * config/avr/avr.h: ...here.
2594 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2597 * thumb2.md (thumb2_shiftsi3_short): Split register and
2598 immediate shifts. For register shifts tie operands 0 and 1.
2599 (peephole2 for above): Check that register-controlled shifts
2600 have suitably tied operands.
2602 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2605 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2606 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2607 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2608 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2609 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2610 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2611 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2612 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2613 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2614 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2615 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2616 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2617 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2618 bdver1_ssevector_avx256_unaligned_load,
2619 bdver1_ssevector_sse128_unaligned_load,
2620 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2621 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2622 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2623 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2624 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2625 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2626 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2627 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2628 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2629 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2630 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2631 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2632 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2633 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2634 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2635 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2636 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2637 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2638 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2639 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2640 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2641 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2642 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2643 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2644 bdver1_ssediv_double_load, bdver1_ssediv_double,
2645 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2646 Add "bdver2" attribute.
2648 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2650 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2651 default if possible and not specified otherwise.
2653 2012-02-21 Richard Guenther <rguenther@suse.de>
2656 * gimplify.c (create_tmp_from_val): Use the main variant type
2657 for the type of the temporary we create.
2659 2012-02-21 Richard Guenther <rguenther@suse.de>
2661 PR tree-optimization/52324
2662 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2663 do not gimplify a MEM_REF address operand if it is already
2666 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2668 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2669 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2671 2012-02-21 Richard Guenther <rguenther@suse.de>
2673 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2674 nested_in_vect_loop.
2676 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2678 PR tree-optimization/52318
2679 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2680 vdef also to non-pure/const call stmts in the sequence.
2682 2012-02-20 David S. Miller <davem@davemloft.net>
2684 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2685 don't use the "rd %pc" instruction on v9 for PIC register loads.
2687 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2690 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2691 in a transaction safe function.
2693 2012-02-20 Kai Tietz <ktietz@redhat.com>
2696 * stor-layout.c (place_field): Handle desired_align for
2699 2012-02-20 Richard Guenther <rguenther@suse.de>
2701 PR tree-optimization/52298
2702 * tree-vect-stmts.c (vectorizable_store): Properly use
2703 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2705 (vectorizable_load): Likewise.
2706 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2707 Access DR_STEP after ensuring it is not NULL.
2709 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2711 PR tree-optimization/52286
2712 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2713 optimization use double_int_to_tree instead of build_int_cst_wide,
2714 rewrite to use double_int vars.
2716 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2719 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2721 Remove -e 0 from $gcc_cv_ld invocation.
2722 Only use __GLIBC_PREREQ if defined.
2723 Enable on Solaris since Solaris 8 patch.
2724 (gcc_SUN_LD_VERSION): New macro.
2725 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2726 gcc_SUN_LD_VERSION for version number format.
2727 * configure: Regenerate.
2728 * varasm.c (get_elf_initfini_array_priority_section): Set
2729 SECTION_NOTYPE for non-default priority.
2730 Use get_section instead of get_unnamed_section to emit
2731 .init_array/.fini_array with default priority.
2733 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2735 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2736 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2737 (mips_start_unique_function, mips_output_mips16_rdhwr)
2738 (mips_code_end): New functions.
2739 (TARGET_ASM_CODE_END): Define.
2741 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2743 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2744 to stubs with non-sibling calls.
2746 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2748 * doc/invoke.texi (-fira-* options): Copy-edit.
2749 (ira-* parameters): Copy-edit.
2751 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2753 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2754 GCC coding conventions.
2756 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2758 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2759 when used as adjectives.
2761 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2763 * doc/invoke.texi: Clean up "that"/"which" confusion.
2765 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2767 * system.h: Poison SMALL_REGISTER_CLASSES
2768 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2769 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2771 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2773 PR tree-optimization/52285
2774 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2775 when deciding if a call is a tail call or tail recursion.
2777 2012-02-16 Kai Tietz <ktietz@redhat.com>
2779 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2780 interger-constant displacement for UNSPEC_PCREL.
2782 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2784 PR rtl-optimization/52208
2785 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2786 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2788 PR tree-optimization/52255
2789 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2790 loop->header has virtual PHI, but exit_e->dest doesn't, add
2791 virtual PHI to exit_e->dest and adjust all uses after the loop.
2794 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2795 children with clone_tree_hash, not after it.
2797 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2799 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2800 extended identifiers.
2802 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2805 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2806 a same_body_alias, also test whether e->callee isn't a former
2807 or current clone of the decl this is a same body alias of.
2809 PR translation/52264
2810 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2812 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2814 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2816 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2819 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2820 force_reg instead of copy_to_reg for better optimization. Force
2821 non-register or memory operands into a register.
2823 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2825 * extend.texi: Reserve upper bits of memory model for future use.
2827 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2828 Anatoly Sokolov <aesok@post.ru>
2829 Eric Weddington <eric.weddington@atmel.com>
2832 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2833 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2834 Rewrite initializers for .macro.
2835 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2836 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2837 atxmega32d4, atxmega32x1.
2838 avrxmega4: atxmega64a3, atxmega64d3.
2839 avrxmega5: atxmega64a1, atxmega64a1u.
2840 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2841 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2842 avrxmega7: atxmega128a1, atxmega128a1u.
2843 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2844 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2845 (struct base_arch_s): Rename reserved to xmega_p.
2846 Rename reserved2 to have_rampd.
2847 (AVR_XMEGA): New define.
2848 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2849 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2850 * config/avr/predicates.md (io_address_operand): Take into
2852 (low_io_address_operand): Ditto.
2853 (high_io_address_operand): Ditto.
2854 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2855 (enabled, movhi_sp_r): Use them.
2856 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2857 cpp_define_formatted to built-in define __AVR_ARCH__.
2858 (__AVR_XMEGA__): New built-in define.
2859 (__AVR_HAVE_RAMPD__): New built-in define.
2860 (__AVR_HAVE_RAMPX__): New built-in define.
2861 (__AVR_HAVE_RAMPY__): New built-in define.
2862 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2864 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2865 (avr_option_override): Initialize them.
2866 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2867 (avr_init_expanders): Initialize them. No more block several calls.
2868 (emit_push_sfr): New static function.
2869 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2871 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2872 (avr_print_operand): Print addreeses as symbols for
2873 RAMPX, RAMPY, RAMPD, CCP.
2874 (output_movhi): Handle AVR_XMEGA when writing to SP.
2875 (avr_out_movhi_mr_r_xmega): New static function.
2876 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2877 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2878 __RAMPD__, __CCP__ as needed.
2880 * config/avr/multilib.h: Regenerate.
2881 * config/avr/t-multilib: Regenerate.
2882 * config/avr/avr-tables.opt: Regenerate.
2884 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2886 PR tree-optimization/50561
2887 * graphite-flattening.c (lst_project_loop): Do not
2888 remove old scattering dimensions after flattening.
2889 (lst_do_flatten): Likewise.
2891 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2893 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2894 __builtin_avr_map8, __builtin_avr_map16.
2895 Document __builtin_avr_insert_bits.
2897 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2898 (insert_bits): New insn.
2899 (adjust_len.map_bits): Rename to insert_bits.
2900 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2901 * avr-protos.h (avr_out_map_bits): Remove.
2902 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2903 * config/avr/constraints.md (Cxf,C0f): New.
2904 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2905 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2906 New built-in define __BUILTIN_AVR_INSERT_BITS.
2907 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2908 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2909 (avr_move_bits): Rewrite.
2910 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2912 (avr_map_op_t): New typedef.
2913 (avr_map_op): New static variable.
2914 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2915 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2916 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2917 (bdesc_3arg, avr_expand_triop_builtin): New.
2918 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2919 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2920 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2921 (avr_map_equal_p, avr_map_sig_p): Remove.
2922 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2923 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2924 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2925 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2926 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2927 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2929 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2931 * config/c6x/c6x.md (reserve_cycles): New attribute.
2932 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2933 don't reserve functional units after the branch occurs.
2935 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2938 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2939 functions into non-tm_pure functions.
2941 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2944 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2945 (iterative_hash_canonical_type): Likewise.
2946 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2949 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2951 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2952 sched-group insn, it either remains alone or the entire list is pruned.
2954 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2956 * doc/install.texi (Prerequisites): Fix grammar.
2957 (Configuration): Likewise.
2959 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2961 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2962 MPC as part of GCC before describing configuring with --with-gmp etc.
2963 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2964 sources are present.
2966 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2969 * dwarf2out.c (clone_tree_hash): New function.
2970 (copy_decls_walk): Use it instead of clone_tree.
2972 2012-02-14 Richard Guenther <rguenther@suse.de>
2974 PR tree-optimization/52244
2975 PR tree-optimization/51528
2976 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2977 replacements for integral types.
2979 2012-02-14 Walter Lee <walt@tilera.com>
2981 * config.gcc: Handle tilegx and tilepro.
2982 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2984 Add HAVE_AS_TLS check for tilegx and tilepro.
2985 * configure: Regenerate.
2986 * doc/contrib.texi: Add Mat Hostetter and self.
2987 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2988 Document instruction intrinsics and network accessing intrinsics.
2989 (TILEPro Built-in Functions): New node. Document instruction
2990 intrinsics and network accessing intrinsics.
2991 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2992 (Specific, tilepro-*-linux*): Likewise.
2993 * doc/invoke.texi (TILE-Gx Options): New section.
2994 (TILEPro Options): New section.
2995 * doc/md.texi (TILE-Gx): New section.
2996 (TILEPro): New section.
2997 * common/config/tilegx/tilegx-common.c: New file.
2998 * common/config/tilepro/tilepro-common.c: New file.
2999 * config/tilegx/constraints.md: New file.
3000 * config/tilegx/linux.h: New file.
3001 * config/tilegx/mul-tables.c: New file.
3002 * config/tilegx/predicates.md: New file.
3003 * config/tilegx/sync.md: New file.
3004 * config/tilegx/t-tilegx: New file.
3005 * config/tilegx/tilegx-builtins.h: New file.
3006 * config/tilegx/tilegx-c.c: New file.
3007 * config/tilegx/tilegx-generic.md: New file.
3008 * config/tilegx/tilegx-modes.def: New file.
3009 * config/tilegx/tilegx-multiply.h: New file.
3010 * config/tilegx/tilegx-protos.h: New file.
3011 * config/tilegx/tilegx.c: New file.
3012 * config/tilegx/tilegx.h: New file.
3013 * config/tilegx/tilegx.md: New file.
3014 * config/tilegx/tilegx.opt: New file.
3015 * config/tilepro/constraints.md: New file.
3016 * config/tilepro/gen-mul-tables.cc: New file.
3017 * config/tilepro/linux.h: New file.
3018 * config/tilepro/mul-tables.c: New file.
3019 * config/tilepro/predicates.md: New file.
3020 * config/tilepro/t-tilepro: New file.
3021 * config/tilepro/tilepro-builtins.h: New file.
3022 * config/tilepro/tilepro-c.c: New file.
3023 * config/tilepro/tilepro-generic.md: New file.
3024 * config/tilepro/tilepro-modes.def: New file.
3025 * config/tilepro/tilepro-multiply.h: New file.
3026 * config/tilepro/tilepro-protos.h: New file.
3027 * config/tilepro/tilepro.c: New file.
3028 * config/tilepro/tilepro.h: New file.
3029 * config/tilepro/tilepro.md: New file.
3030 * config/tilepro/tilepro.opt: New file.
3032 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3034 PR tree-optimization/52210
3035 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3036 vect_model_simple_cost with two entry vect_def_type array instead
3037 of an address of dt.
3039 2012-02-14 Richard Guenther <rguenther@suse.de>
3042 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3043 Do not stream DECL_QUALIFIER.
3044 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3045 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3046 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3048 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3051 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3054 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3057 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3058 * cselib.c (cselib_subst_to_values_from_insn): New function.
3059 * sched-deps.c (add_insn_mem_dependence,
3060 sched_analyze_1, sched_analyze_2): Use it.
3062 2012-02-13 Jan Hubicka <jh@suse.cz>
3065 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3067 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3069 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3070 (GTM_SELF_SPECS): Define if not already defined.
3071 (driver_self_specs): Add GTM_SELF_SPECS.
3072 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3073 (GTM_SELF_SPECS): Define.
3074 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3075 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3077 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3079 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3082 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3085 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3086 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3088 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3091 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3093 2012-02-13 Richard Guenther <rguenther@suse.de>
3095 PR translation/52211
3096 * passes.c (enable_disable_pass): Fix typo.
3098 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3101 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3102 XOR for reduce_bit_field if type is unsigned.
3104 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3106 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3107 disallow changes from SFmode to mode with different size in FP regs.
3109 2012-02-12 Robert Millan <rmh@gnu.org>
3110 Gerald Pfeifer <gerald@pfeifer.com>
3112 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3115 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3117 PR rtl-optimization/52175
3118 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3119 to frame-related instructions.
3121 2012-02-10 Jason Merrill <jason@redhat.com>
3124 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3125 (demangle_new_symbols): Fill it.
3126 (scan_linker_output): Walk it.
3127 (start_tweaking): Split out from scan_linker_output.
3128 (maybe_tweak): Update sym->chosen.
3129 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3131 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3134 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3136 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3138 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3139 having the same mode as previous compare.
3141 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3143 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3144 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3145 (nonlocal_goto_internal): Likewise.
3146 (nonlocal_goto): Emit a use and an indirect jump directly.
3148 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3151 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3152 __atomic_{is,always}_lock_free.
3154 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3157 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3158 negative constant address for x32.
3160 2012-02-10 Richard Henderson <rth@redhat.com>
3162 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3163 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3164 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3166 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3167 Ira Rosen <irar@il.ibm.com>
3169 PR tree-optimization/50031
3170 * targhooks.c (default_builtin_vectorization_cost): Handle
3172 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3173 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3174 all types of reduction and pattern statements.
3175 (vect_estimate_min_profitable_iters): Likewise.
3176 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3177 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3178 for explicit realigns.
3179 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3180 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3182 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3183 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3184 vec_perm for VSX and handle vec_promote_demote.
3186 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3189 * builtins.c (fold_builtin_atomic_always_lock_free,
3190 expand_builtin_atomic_always_lock_free,
3191 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3192 Return and/or test boolean_true_node/boolean_false_node instead of
3193 integer_one_node/integer_zero_node.
3195 2012-02-10 Jan Hubicka <jh@suse.cz>
3198 * predict.c (predict_paths_for_bb): Prevent looping.
3199 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3201 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3203 * config/arm/arm.c (output_move_double): In one case properly
3204 count number of instructions that will be emitted.
3206 2012-02-10 Richard Guenther <rguenther@suse.de>
3208 PR translation/52193
3209 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3211 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3214 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3216 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3219 * var-tracking.c (emit_note_insn_var_location): If
3220 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3221 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3222 non-NOTE_DURING_CALL_P insn.
3224 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3227 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3229 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3232 * gcc.c (switch_matches) Support switches with separated form,
3235 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3237 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3239 (RAMPZ_ADDR): Ditto.
3240 * config/avr/avr.c (avr_addr_t): New typedef.
3241 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3242 (avr_init_expanders): Initialize it.
3243 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3245 (expand_epilogue): Ditto.
3246 (avr_print_operand): Ditto.
3247 (avr_file_start): Ditto.
3248 (avr_emit_movmemhi): Ditto.
3250 2012-02-08 Richard Guenther <rguenther@suse.de>
3252 PR tree-optimization/46886
3253 * tree-flow.h (do_while_loop_p): Declare.
3254 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3255 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3257 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3259 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3260 always succeed for integers larger than a native word.
3262 2012-02-08 Richard Guenther <rguenther@suse.de>
3264 PR rtl-optimization/52170
3265 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3266 properly handle integer vector modes.
3268 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3270 PR gcov-profile/52150
3271 * coverage.c: Include target.h.
3272 (build_var): Call targetm.strip_name_encoding on the assembler name.
3273 Change one _ into . or $ if the target allows it.
3274 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3276 PR rtl-optimization/52139
3277 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3278 is a BARRIER after emit_insn_after_noloc, move BB_END
3279 to the last non-BARRIER insn before it.
3281 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3284 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3285 (mips_gimplify_va_arg_expr): Call it instead of
3286 std_gimplify_va_arg_expr.
3288 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3290 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3291 message for -mno-pointers-to-nested-function.
3293 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3296 * expr.c (get_inner_reference): If there is an offset, add a negative
3297 bit position to it (if any).
3299 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3301 PR rtl-optimization/52060
3302 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3303 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3304 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3305 and/or i0src_copy2 when needed.
3307 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3309 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3310 or LTOPLUGINSONAME if have_c.
3312 * config/freebsd-spec.h: Add comment about what macros can be defined
3314 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3315 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3318 2012-02-07 Richard Guenther <rguenther@suse.de>
3320 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3321 newline in -alias dumps.
3323 2012-02-07 Kai Tietz <ktietz@redhat.com>
3324 Dave Korn <dave.korn.cygwin@gmail.com>
3327 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3328 Take care that typinfo gets dllexport-attribute.
3330 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3333 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3334 if modifier < EXPAND_SUM call force_operand on the result.
3336 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3338 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3339 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3341 (epiphany_function_type): Replace types for specific interrupts with
3342 EPIPHANY_FUNCTION_INTERRUPT.
3343 (EPIPHANY_INTERRUPT_P): Update.
3344 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3345 New static function.
3346 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3347 <disinterrupt>: Affects type identity.
3348 (epiphany_handle_interrupt_attribute): Handle variable number of
3350 (epiphany_compute_function_type): Update for new
3351 epiphany_function_type definition.
3352 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3353 handlers with a longcall forwarder.
3354 (epiphany_start_function): Handle multiple interrupt arguments and/or
3355 forwarder_section attribute.
3357 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3360 2012-02-07 Alan Modra <amodra@gmail.com>
3363 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3366 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3368 PR tree-optimization/50969
3369 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3370 use vec_perm rather than vector_stmt.
3371 (vect_model_load_cost): Likewise.
3372 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3373 vec_perm to be the same as other vector statements.
3374 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3375 cost of vec_perm for TARGET_VSX.
3377 2012-02-06 Richard Guenther <rguenther@suse.de>
3379 PR tree-optimization/52115
3380 * tree-sra.c (access_has_replacements_p): New function.
3381 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3383 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3386 * trans-mem.c (expand_call_tm): Add an assertion.
3387 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3390 2012-02-06 Richard Guenther <rguenther@suse.de>
3392 PR tree-optimization/50955
3393 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3394 raise cost of expressions that replace an address with an
3395 expression based on a different pointer.
3397 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3400 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3401 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3403 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3406 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3407 -Weffc++ and specify guidelines come from second edition.
3409 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3411 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3412 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3413 (call_direct_split, call_value_split, call_value_internal_direct)
3414 (call_value_direct_split, call_value_multiple_split): Use jal and
3415 jal_macro attributes.
3417 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3419 * reload1.c (reload_regs_reach_end_p): Replace with...
3420 (reload_reg_rtx_reaches_end_p): ...this function.
3421 (new_spill_reg_store): Update commentary.
3422 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3423 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3424 before setting new_spill_reg_store.
3425 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3426 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3427 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3428 for non-spill reload registers.
3430 2012-02-05 Ira Rosen <irar@il.ibm.com>
3432 PR tree-optimization/52091
3433 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3434 (vect_is_simple_use_1): Likewise.
3435 * tree-vect-loop.c (vectorizable_reduction): Update calls
3436 to vect_is_simple_use_1 and vect_is_simple_use.
3437 (vectorizable_live_operation): Likewise.
3438 * tree-vect-patterns.c (widened_name_p,
3439 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3440 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3441 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3442 vectorizable_shift,vectorizable_operation, vectorizable_store,
3443 vectorizable_load): Likewise.
3444 (vect_is_simple_cond): Add an argument, pass it to
3445 vect_is_simple_use_1.
3446 (vectorizable_condition): Update calls to vect_is_simple_cond,
3448 (vect_is_simple_use): Add an argument, the statement in which
3449 OPERAND is used. Check that if OPERAND's def stmt is a double
3450 reduction phi node, the use is a phi node too.
3451 (vect_is_simple_use_1): Add an argument, pass it to
3453 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3454 to vect_is_simple_use.
3456 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3458 PR rtl-optimization/52095
3459 * modulo-sched.c (dump_insn_locator): New function.
3460 (loop_canon_p, sms_schedule): Use it.
3462 PR rtl-optimization/52113
3463 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3464 even for decomposable shift/zext insns.
3466 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3467 Zdenek Dvorak <ook@ucw.cz>
3469 PR rtl-optimization/52092
3470 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3471 on get_iv_value result.
3473 2012-02-02 Andrew Pinski <apinski@cavium.com>
3477 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3479 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3482 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3484 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3486 PR rtl-optimization/49800
3487 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3488 (sched_finish): Call regstat_free_n_sets_and_refs.
3490 2012-02-02 Jia Liu <proljc@gmail.com>
3492 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3495 2012-02-02 Jan Hubicka <jh@suse.cz>
3496 Tom de Vries <tom@codesourcery.com>
3499 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3500 * varpool.c (varpool_analyze_pending_decls): Likewise.
3502 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3503 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3505 * config.gcc: Add cr16-* support.
3507 * doc/extend.texi: Document cr16 extensions.
3508 * doc/install.texi: Document cr16 install.
3509 * doc/invoke.texi: Document cr16 options.
3510 * doc/md.texi: Document cr16 constraints.
3512 * common/config/cr16/cr16-common.c: New file.
3513 * config/cr16/cr16.c: New file.
3514 * config/cr16/cr16.h: New file.
3515 * config/cr16/cr16.md: New file.
3516 * config/cr16/cr16.opt: New file.
3517 * config/cr16/cr16-protos.h: New file.
3518 * config/cr16/predicates.md: New file.
3519 * config/cr16/constraints.md: New file.
3520 * config/cr16/t-cr16: New file.
3522 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3525 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3526 that operands[2] is either immediate, or q_regs_operand.
3528 PR tree-optimization/52073
3529 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3530 a pattern stmt for pattern uses, ignore uses outside of the loop.
3532 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3534 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3535 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3536 (OUT_AS1, OUT_AS2): Remove.
3538 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3540 PR rtl-optimization/51374
3541 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3542 to cross other volatile_refs_p insns.
3544 2012-02-01 Richard Guenther <rguenther@suse.de>
3546 * doc/invoke.texi (fno-inline): Clarify documentation.
3547 (finline-small-functions): Likewise.
3548 (finline-functions): Likewise.
3549 * common.opt (finline): Adjust comment and documentation.
3550 (finline-small-functions): Clarify documentation.
3551 (finline-functions): Likewise.
3552 (finline-functions-called-once): Likewise.
3554 2012-02-01 Tristan Gingold <gingold@adacore.com>
3556 * c-typeck.c (composite_type): Keep mode for pointers.
3558 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3560 * function.h (regno_reg_rtx): Adjust comment.
3561 * reginfo.c (init_reg_modes_target): Only use the previous mode
3562 if it fits within one register. Remove MIPS comment.
3564 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3567 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3569 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3571 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3572 to srak instruction.
3574 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3576 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3578 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3583 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3585 2012-01-31 Richard Guenther <rguenther@suse.de>
3587 PR tree-optimization/51528
3588 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3591 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3596 * ree.c (add_removable_extension): Change def_map argument
3597 to unsigned *, store in def_map 1 + offset into *insn_list vector
3598 instead of pointers into the vector.
3599 (find_removable_extensions): Adjust caller.
3601 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3603 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3604 Transform all "* quoted-c-code" to { c-code }.
3605 Remove redundant test for "optimize" in combine patterns.
3606 Move (include "avr-dimode.md") to end of file.
3608 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3611 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3612 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3614 2012-01-30 Richard Guenther <rguenther@suse.de>
3616 PR tree-optimization/52028
3617 * tree-loop-distribution.c (ldist_gen): Properly update
3620 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3623 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3624 set_cur_line_info_table if not emitting debug info.
3626 PR tree-optimization/52046
3627 * tree-vect-patterns.c (check_bool_pattern): Give up if
3628 a comparison could throw.
3631 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3633 2012-01-30 Richard Guenther <rguenther@suse.de>
3635 PR tree-optimization/52045
3636 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3637 SSA form if cfgcleanup did anything.
3639 2012-01-30 Richard Guenther <rguenther@suse.de>
3641 PR tree-optimization/52045
3642 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3643 before computing final todo.
3645 2012-01-30 Richard Guenther <rguenther@suse.de>
3647 PR tree-optimization/51528
3648 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3651 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3653 * df-problems.c (df_kill_notes): Check that the use refers
3654 to the note under examination.
3656 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3659 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3660 parameter and use short-lived pseudos.
3661 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3662 (sparc_expand_vector_init): Const-ify local variables and adjust
3663 calls to above functions.
3665 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3667 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3669 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3671 * doc/invoke.texi: Make usage of "compile time" and
3672 "run time"/"runtime" consistent throughout the file.
3674 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3676 * config/alpha/alpha.c (alpha_option_override): Default to
3677 full IEEE compliance mode for Go language.
3679 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3681 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3682 (LINK_SSP_SPEC): Define.
3684 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3687 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3690 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3692 * doc/invoke.texi: Correct hyphenation of "floating point",
3693 "double precision", and related terminology throughout the file.
3695 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3698 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3699 arm_general_register_operand predicate for operand 2 instead of
3702 2012-01-27 Ian Lance Taylor <iant@google.com>
3705 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3706 * builtins.c (expand_builtin_init_trampoline): Add onstack
3707 parameter. Change caller.
3708 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3709 * tree.c (build_common_builtin_nodes): Declare
3710 __builtin_init_heap_trampoline.
3712 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3714 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3715 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3716 * config/avr/avr.c: Ditto.
3717 (avr_regnames): Remove because unused.
3718 * config/avr/avr.md (*cpse.ne): New peephole.
3719 (*cpse.eq): New peephole from former cpse peepholes.
3721 2012-01-27 Michael Eager <eager@eagercon.com>
3723 * config/microblaze.c (microblaze_emit_compare): Correct
3724 test after pcmp instruction.
3726 2012-01-27 Richard Guenther <rguenther@suse.de>
3728 PR tree-optimization/52020
3729 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3731 2012-01-27 Richard Guenther <rguenther@suse.de>
3733 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3734 function non-const/pure.
3736 2012-01-27 Richard Guenther <rguenther@suse.de>
3738 PR tree-optimization/50444
3739 * tree-sra.c (build_ref_for_offset): Properly adjust the
3740 MEM_REF type for unaligned accesses.
3742 2012-01-27 Richard Guenther <rguenther@suse.de>
3744 PR tree-optimization/50444
3745 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3746 (expand_assignment): Use it. Properly handle misaligned
3747 bases when expanding stores to component references.
3748 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3751 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3754 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3755 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3756 * tree-data-ref.c (find_data_references_in_loop): Make static.
3757 (compute_all_dependences): Change return type to bool. Bail out
3758 for too many datarefs in a loop. Move the hunk resetting the data
3759 dependences vector from ...
3760 (compute_data_dependences_for_loop): ... here. Account for
3761 compute_all_dependences returning false.
3762 (compute_data_dependences_for_bb): Likewise.
3763 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3764 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3766 2012-01-27 Richard Guenther <rguenther@suse.de>
3769 * expr.c (store_field): Use the alias-set of the scratch memory
3772 2012-01-27 Tom de Vries <tom@codesourcery.com>
3774 PR tree-optimization/51990
3775 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3777 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3779 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3782 * var-tracking.c (reverse_op): Don't add any reverse operation
3783 if V already has any constant locations.
3785 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3787 * doc/invoke.texi: Correct usage of "command line" (noun)
3788 vs "command-line" (adjective) throughout.
3790 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3792 * doc/invoke.texi (Language Independent Options): Move
3793 -Wcoverage-mismatch blurb from here....
3794 (Warning Options): ...to here.
3796 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3798 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3799 Set rs6000_always_hint to false for 476.
3801 2012-01-27 Matthias Klose <doko@ubuntu.com>
3803 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3805 * incpath.c (add_standard_paths): Likewise.
3807 2012-01-27 Richard Henderson <rth@redhat.com>
3809 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3810 * config/m68k/sync.md (atomic_test_and_set): Rename from
3811 sync_test_and_setqi and adjust the operands.
3812 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3813 and unconditionally enable.
3815 2012-01-27 Richard Henderson <rth@redhat.com>
3817 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3818 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3819 (ldstub): Rename from ldstubqi.
3820 (ldstub<I24MODE>): Remove.
3822 2012-01-27 Richard Henderson <rth@redhat.com>
3824 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3825 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3826 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3827 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3828 * doc/tm.texi: Rebuild.
3830 2012-01-27 Richard Henderson <rth@redhat.com>
3832 * optabs.c (gen_atomic_test_and_set): Remove default.
3833 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3835 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3837 PR rtl-optimization/51978
3838 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3839 (combine_reaching_defs): Likewise.
3840 (struct re_info): Remove.
3841 (add_removable_extension): Remove x and data arguments,
3842 add insn, insn_list and def_map. Use the arguments directly
3843 instead of using struct re_info.
3844 (find_removable_extensions): Don't call add_removable_extension
3845 through note_stores, instead just call it with single_set
3847 (find_and_remove_re): Pass curr_cand->expr instead of
3848 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3850 2012-01-26 Michael Matz <matz@suse.de>
3852 PR tree-optimization/46590
3853 * cfgexpand.c: Revert last change (r183305).
3854 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3856 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3857 checking for emptiness.
3859 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3862 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3863 non-addressable non-BLKmode base correctly.
3865 2012-01-26 Michael Matz <matz@suse.de>
3867 PR tree-optimization/48794
3868 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3869 regions referenced from RESX/EH_DISPATCH.
3871 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3873 * config/s390/s390.h: Make BRANCH_COST an option.
3874 * config/s390/s390.opt: New option -mbranch-cost.
3876 2012-01-26 Richard Henderson <rth@redhat.com>
3878 Revert 2012-01-24 change:
3879 * trans-mem.c (requires_barrier): Do not instrument thread local
3880 variables and emit save/restore for them.
3882 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3885 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3888 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3890 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3893 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3896 Rename __pgm to __flash.
3897 Rename __pgm1 to __flash1.
3898 Rename __pgm2 to __flash2.
3899 Rename __pgm3 to __flash3.
3900 Rename __pgm4 to __flash4.
3901 Rename __pgm5 to __flash5.
3902 Rename __pgmx to __memx.
3903 * doc/extend.texi (AVR Named Address Spaces)
3904 Rename address space names as indicated above.
3905 * config/avr/avr.c (avr_addrspace): Ditto.
3907 * config/avr/avr-protos.h
3908 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3909 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3910 * config/avr/predicates.md: Ditto.
3911 * config/avr/avr.c Ditto, and
3912 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3913 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3915 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3916 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3917 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3918 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3919 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3920 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3921 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3922 * config/avr/avr.c: Ditto.
3923 * config/avr/avr.md: Ditto.
3925 2012-01-25 Jason Merrill <jason@redhat.com>
3928 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3930 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3932 PR tree-optimization/51987
3933 * tree-data-ref.c (get_references_in_stmt): Handle references in
3934 non-volatile GIMPLE_ASM.
3936 2012-01-25 Richard Guenther <rguenther@suse.de>
3938 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3939 bases are dereferenced.
3941 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3943 PR rtl-optimization/48374
3944 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3946 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3948 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3949 compute_data_dependences_for_loop returns false.
3950 * tree-parloops.c (loop_parallel_p): Likewise.
3952 2012-01-25 Richard Guenther <rguenther@suse.de>
3954 * tree.h (get_pointer_alignment_1): Declare.
3955 * builtins.c (get_pointer_alignment_1): New function.
3956 (get_pointer_alignment): Use it.
3958 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3960 PR rtl-optimization/48308
3961 * combine.c (enum undo_kind): Add UNDO_LINKS.
3962 (struct undo): Add member l to other_contents and where.
3963 (do_SUBST_LINK): New.
3965 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3966 (undo_all): Handle UNDO_LINKS.
3968 2012-01-25 Richard Henderson <rth@redhat.com>
3970 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3973 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3975 * optabs.c (gen_atomic_test_and_set): Use each argument.
3977 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3979 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3980 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3981 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3982 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3983 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3984 TARGET_PAIRED_SINGLE_FLOAT.
3986 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3988 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3989 (in_struct, return_val): Remove MEM documentation.
3990 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3991 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3992 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3994 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3995 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3996 * expr.c (store_field): Likewise.
3997 * function.c (assign_stack_temp_for_type): Likewise.
3998 * ifcvt.c (noce_try_cmove_arith): Likewise.
3999 * reload1.c (reload): Likewise.
4000 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4001 (alpha_set_memflags): Likewise.
4002 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4004 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4006 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4008 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4009 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4010 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4012 * cselib.c (cselib_rtx_varies_p): Delete.
4013 (cselib_invalidate_mem): Update call to canon_true_dependence.
4014 * dse.c (record_store, check_mem_read_rtx): Likewise.
4015 (scan_reads_nospill): Likewise.
4016 * cse.c (check_dependence): Likewise.
4017 (cse_rtx_varies_p): Delete.
4018 * expr.c (safe_from_p): Update call to true_dependence.
4019 * ira.c (validate_equiv_mem_from_store): Likewise.
4020 (memref_referenced_p): Likewise.
4021 * postreload-gcse.c (find_mem_conflicts): Likewise.
4022 * sched-deps.c (sched_analyze_2): Likewise.
4023 * store-motion.c (load_kills_store): Likewise.
4024 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4025 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4026 (compute_transp): Update call to canon_true_dependence.
4028 2012-01-25 Richard Henderson <rth@redhat.com>
4030 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4031 (maybe_emit_atomic_test_and_set): New.
4032 (expand_sync_lock_test_and_set): Use it.
4033 (expand_atomic_test_and_set): Likewise.
4034 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4035 the implementation; clarify implementation defined details.
4036 * doc/md.texi (atomic_test_and_set): Document.
4038 2012-01-25 Richard Henderson <rth@redhat.com>
4040 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4042 2012-01-25 Richard Henderson <rth@redhat.com>
4045 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4046 to effect no-op split.
4048 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4051 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4052 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4053 (BT_FN_VOID_PTR_INT_SIZE): New.
4054 (BT_FN_UINT_UINT_VAR): Remove.
4055 (BT_FN_UINT32_UINT32_VAR): New.
4056 (BT_FN_DOUBLE_VPTR): Remove.
4057 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4059 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4060 (_ITM_changeTransactionMode): Same.
4061 (_ITM_memmoveRtWt): Change return type to void.
4062 (_ITM_memcpyRtWt): Same.
4063 (_ITM_memsetW): Same.
4064 (_ITM_RaRD): Change types to double.
4069 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4071 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4072 Patrick Marlier <patrick.marlier@gmail.com>
4074 * trans-mem.c (requires_barrier): Do not instrument thread local
4075 variables and emit save/restore for them.
4077 2012-01-24 Jason Merrill <jason@redhat.com>
4080 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4081 output static aliases.
4083 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4086 * common.opt (-pie, -shared, pie, shared): Change from Common to
4088 * gcc.c (display_help): Display help for -pie and -shared.
4090 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4093 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4094 Remove note on size/offset limitation.
4095 (AVR Variable Attributes): Add example how to read data located
4096 with progmem. Refer to named address spaces.
4097 * doc/invoke.texi (AVR Options): Fix typo.
4099 2012-01-24 Richard Guenther <rguenther@suse.de>
4101 Forward-port to trunk
4102 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4105 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4106 op0 isn't sufficiently aligned and there is movmisalignM
4107 insn for mode, use it to load op0 into a temporary register.
4109 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4112 * target.def (const_not_ok_for_debug_p): New hook.
4113 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4115 * doc/tm.texi: Regenerated.
4116 * dwarf2out.c (const_ok_for_output_1): If
4117 targetm.const_not_ok_for_debug_p returns true, fail.
4118 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4120 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4122 2012-01-23 Kai Tietz <ktietz@redhat.com>
4125 * config/i386/predicates.md (symbolic_operand): Allow
4126 UNSPEC_PCREL as PIC expression for lea.
4127 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4128 * config/i386/i386.c (ix86_delegitimize_address): Handle
4129 UNSPEC_PCREL for none-MEM, too.
4131 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4133 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4134 (ipa_tm_create_version_alias): Same.
4136 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4139 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4140 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4142 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4143 Patrick Marlier <patrick.marlier@gmail.com>
4144 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4147 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4148 simple_object_start_read.
4150 2012-01-23 Richard Guenther <rguenther@suse.de>
4153 PR tree-optimization/51895
4154 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4155 parameter decomposition into BLKmode components.
4157 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4159 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4160 fake variables for restrict-qualified pointers whose pointed-to type
4161 contains a placeholder.
4163 2012-01-23 Richard Guenther <rguenther@suse.de>
4165 PR tree-optimization/51949
4166 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4168 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4170 PR rtl-optimization/51933
4171 * ree.c (transform_ifelse): Return true right away if dstreg is
4172 already wider or equal to cand->mode.
4173 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4174 (make_defs_and_copies_lists): Remove defs_list and copies_list
4175 arguments, add state argument, just truncate state->work_list
4176 instead of always allocating and freeing the vector. Assert that
4177 get_defs succeeds instead of returning 2. Changed return type to bool.
4178 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4179 have ext_src_mode, see if it has been modified already with the
4180 right kind of extension and has been extended before from the
4181 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4182 just return true. Remember the original mode in state->modified array.
4183 (combine_reaching_defs): Add state argument. Don't allocate and
4184 free here def_list, copied_list and vec vectors, instead just
4185 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4186 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4187 Add state variable, clear vectors in it, initialize state.modified
4188 if needed. Free all the vectors at the end and state.modified too.
4189 Don't skip a candidate if the extension expression has been modified.
4191 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4194 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4195 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4196 (extra_options) interix.opt -> i386/interix.opt"
4197 (extra_objs):Add winnt-stubs.o
4198 * configure.ac: Add interix to target_os .comm on PE check.
4199 * configure: Regenerate.
4200 * config/interix3.h: Delete and move bits to..
4201 * config/interix.h: Delete and move bits to..
4202 * config/i386/i386-interix3.h: Delete and move bits to..
4203 * config/i386/i386-interix.h: ..here.
4204 (TARGET_CPU_DEFAULT): Remove redefinition.
4205 (TARGET_ASM_CONSTRUCTOR): Undefine.
4206 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4207 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4208 (PTRDIFF_TYPE): Define.
4209 (LONG_DOUBLE_TYPE_SIZE): Define.
4210 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4211 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4212 (TARGET_SECTION_TYPE_FLAGS): Define.
4213 (ASM_DECLARE_FUNCTION_NAME): Define.
4214 (ASM_OUTPUT_EXTERNAL): Define.
4215 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4216 (ASM_OUTPUT_ALIGNED_BSS): Define.
4217 (PCC_BITFIELD_TYPE_MATTERS): Define.
4218 (USE_CONST_SECTION): Define.
4219 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4220 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4221 (SUPPORTS_ONE_ONLY): Remove.
4222 (I386_PE_STRIP_ENCODING): Define.
4223 * config/interix.opt: Delete and move bits to..
4224 * config/i386/interix.opt: ..here. New.
4225 (mpe-aligned-commons): Add.
4226 * config/i386/t-interix: Add copyright header.
4227 (winnt-stubs.o): Add rule.
4229 2012-01-22 Jason Merrill <jason@redhat.com>
4232 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4233 for extra name aliases.
4235 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4237 PR rtl-optimization/51924
4238 * ree.c (combine_set_extension): Improve debugging message.
4239 (combine_reaching_defs): Likewise.
4240 (get_defs): Rename confusingly named variable.
4241 (find_and_remove_re): Skip a candidate if the extension expression has
4244 2012-01-21 Robert Millan <rmh@gnu.org>
4245 Gerald Pfeifer <gerald@pfeifer.com>
4247 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4248 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4250 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4252 PR tree-optimization/51914
4253 * tree-vect-stmts.c (vectorizable_conversion): For
4254 cvt_type && modifier == WIDEN, put temporary with cvt_type
4255 at the beginning of vec_dsts and set vec_dest to temporary
4258 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4260 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4262 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4264 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4265 * config/rs6000/rs6000.c: Likewise.
4267 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4270 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4271 output_move_double on a copy of operands array.
4273 2012-01-20 Cary Coutant <ccoutant@google.com>
4274 Dodji Seketeli <dodji@redhat.com>
4277 * dwarf2out.c (copy_declaration_context): Return ref to parent
4278 of declaration DIE, if necessary.
4279 (remove_child_or_replace_with_skeleton): Add new parameter; update
4280 caller. Place skeleton DIE under parent DIE of original declaration.
4281 Move call to copy_declaration_context to here ...
4282 (break_out_comdat_types): ... from here.
4284 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4286 PR rtl-optimization/51856
4287 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4290 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4293 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4294 hints for neon loads and stores.
4296 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4300 * doc/extend.texi (Named Address Spaces): Split into subsections.
4301 (AVR Named Address Spaces): New subsection.
4302 (M32C Named Address Spaces): New subsection.
4303 (RL78 Named Address Spaces): New subsection.
4304 (SPU Named Address Spaces): New subsection.
4305 (Variable Attributes): New anchor "AVR Variable Attributes".
4306 (AVR Variable Attributes): Rewrite and avoid wording
4307 "address space" in this context.
4308 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4309 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4310 (AVR Built-in Macros): New subsubsection therein.
4311 * doc/md.texi (AVR constraints): Remove "C04", "R".
4313 2012-01-20 Richard Guenther <rguenther@suse.de>
4315 PR tree-optimization/51903
4316 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4317 when removing stmts.
4319 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4322 * config/arm/arm.c (arm_load_pic_register): Use
4323 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4324 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4325 (arm_pic_static_addr): Likewise.
4326 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4327 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4328 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4329 (pic_load_addr_unified): New.
4331 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4334 * function.c (instantiate_virtual_regs_in_insn): Use
4335 delete_insn_and_edges when removing a wrong asm insn.
4337 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4339 PR rtl-optimization/40761
4340 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4341 Add new member loop_num.
4342 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4343 (ira_build): Remove the parameter.
4345 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4346 (ira.c): Do not build CFG loops for one region allocation. Remove
4347 argument from ira_build call.
4349 * ira-build.c (init_loop_tree_node): New function.
4350 (create_loop_tree_nodes): Use it. Separate the case when CFG
4351 loops are not built.
4352 (more_one_region_p): Check current_loops.
4353 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4355 (add_loop_to_tree): Process loop equal to NULL too.
4356 (form_loop_tree): Separate the case when CFG loops are not built.
4357 Use explicitly number for the root.
4358 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4360 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4361 instead of loop->num.
4362 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4363 (mark_all_loops_for_removal): Ditto.
4364 (remove_unnecessary_regions): Separate the case when CFG loops
4366 (ira_build): Remove the parameter. Use explicit number of regions
4367 when CFG loops are not built.
4369 * ira-color.c (print_loop_title): Separate the case for the root node.
4370 Use loop_num instead of loop->num.
4371 (move_spill_restore): Use loop_num instead of loop->num.
4373 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4374 (change_loop): Ditto.
4375 (change_loop): Use loop_num instead of loop->num.
4377 * ira-lives.c (process_bb_node_lives): Ditto.
4379 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4381 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4383 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4386 * tree-mudflap.c (mf_artificial): New function.
4387 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4388 mx_register_decls, mudflap_enqueue_decl): Use it.
4391 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4392 numbers in the insn pattern.
4394 2012-01-19 Michael Matz <matz@suse.de>
4396 PR tree-optimization/46590
4397 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4398 use it in remembering which conflicts we already created.
4399 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4402 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4405 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4406 (merge_and_complain): Same.
4408 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4411 * config/initfini-array.h: Guard content of the header
4412 with #ifdef HAVE_INITFINI_ARRAY.
4413 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4414 Add initfini-array.h to tm_file here.
4415 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4416 * config.gcc: Don't add initfini-array.h to tm_file here.
4417 * configure: Regenerated.
4419 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4421 PR rtl-optimization/51505
4422 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4423 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4424 (df_note_bb_compute): Update the call to df_kill_notes.
4426 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4428 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4430 2012-01-18 Richard Guenther <rguenther@suse.de>
4432 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4433 of conversions to void *.
4435 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4436 Richard Sandiford <rdsandiford@googlemail.com>
4440 * optabs.h (simplify_expand_binop): Declare.
4441 * optabs.c (simplify_expand_binop): Make global.
4442 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4443 endian targets if the source cannot be exactly covered by word
4446 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4449 * hard-reg-set.h (struct hard_reg_set_container): New type.
4450 * target.h (struct hard_reg_set_container): Forward declare.
4451 * target.def (set_up_by_prologue): New target hook.
4452 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4453 * doc/tm.texi: Regenerated.
4454 * function.c (thread_prologue_and_epilogue_insns): Change
4455 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4456 Call targetm.set_up_by_prologue on it.
4457 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4458 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4460 2012-01-17 Nick Clifton <nickc@redhat.com>
4462 * config/rx/rx.c (rx_can_use_simple_return): New function.
4463 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4464 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4466 2012-01-17 Richard Guenther <rguenther@suse.de>
4469 * expr.c (expand_assignment): Take address-space information
4470 from the address operand of MEM_REF and TARGET_MEM_REF.
4471 (expand_expr_real_1): Likewise.
4473 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4475 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4476 reload dump is requested.
4478 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4481 * trans-mem.c (requires_barrier): Call may_be_aliased.
4483 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4485 PR tree-optimization/51877
4486 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4487 call arguments and fndecls compare equal, instead return false if they
4488 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4489 both SSA_NAMEs that are valueized the same, or they satisfy
4492 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4494 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4496 * configure: Regenerate.
4498 2012-01-16 Jan Hubicka <jh@suse.cz>
4502 * convert.c (convert_to_integer): Use fold_convert for
4503 converting an INTEGER_CST to integer type.
4505 2012-01-16 Jason Merrill <jason@redhat.com>
4508 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4510 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4513 * config/s390/s390.c (s390_chunkify_start): Don't skip
4514 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4515 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4516 If insn is followed by NOTE_INSN_VAR_LOCATION or
4517 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4518 Don't use location of note insns.
4520 PR tree-optimization/51865
4521 * tree-inline.c (tree_function_versioning): Call remap_decl
4522 on DECL_RESULT whenever it has VOID_TYPE_P type.
4524 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4526 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4527 for calls to locally-binding MIPS16 functions if only the return
4528 type uses float regs.
4530 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4531 Richard Sandiford <rdsandiford@googlemail.com>
4533 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4534 (SYMBOL_32_HIGH): Likewise.
4535 (mips_output_tls_reloc_directive): Declare.
4536 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4537 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4538 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4539 (mips_lo_relocs, mips_hi_relocs): Make extern.
4540 (mips16_stub_function): Move up file.
4541 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4542 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4543 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4544 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4545 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4546 (mips_get_tp): Add MIPS16 support.
4547 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4548 Generalize DTPREL and TPREL handling.
4549 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4550 Add MIPS16 TLS support.
4551 (mips_output_tls_reloc_directive): New function.
4552 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4553 * config/mips/predicates.md (symbolic_operand_with_high)
4554 (tls_reloc_operand): New predicates.
4555 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4556 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4557 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4558 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4559 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4560 (*tls_get_tp_mips16_call_<mode>): Likewise.
4562 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4564 PR rtl-optimization/51821
4565 * recog.c (peep2_find_free_register): Determine clobbered registers
4568 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4571 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4572 * config/avr/avr.c: Likewise.
4573 * config/avr/avr.h: Likewise.
4575 2012-01-13 Ian Lance Taylor <iant@google.com>
4578 * tree.h (TYPE_QUALS): Add cast to int.
4579 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4581 2012-01-13 Ian Lance Taylor <iant@google.com>
4583 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4584 comparing param_index to VEC_length result.
4586 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4588 * c-decl.c: Do not include tree-mudflap.h
4589 * tree-optimize.c: Likewise.
4590 * Makefile.in: Update dependencies.
4592 2012-01-13 Richard Guenther <rguenther@suse.de>
4595 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4596 variable-sized result always use RSO.
4598 2012-01-12 DJ Delorie <dj@redhat.com>
4600 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4601 pointer type, not just the default pointer type.
4603 2012-01-09 Richard Henderson <rth@redhat.com>
4604 Denis Chertykov <chertykov@gmail.com>
4607 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4608 * config/avr/avr.c (avr_can_eliminate): Simplify.
4609 (avr_initial_elimination_offset): Likewise.
4610 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4611 (expand_epilogue): Likewise.
4612 (avr_legitimize_address): Gut.
4613 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4614 (avr_hard_regno_nregs): New.
4615 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4616 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4617 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4618 add soft frame pointer.
4619 (CALL_USED_REGISTERS): Likewise.
4620 (REG_CLASS_CONTENTS): Likewise.
4621 (REGISTER_NAMES): Likewise.
4622 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4623 (HARD_FRAME_POINTER_REGNUM): New.
4624 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4625 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4626 remove the HARD_FRAME_POINTER self-elimination.
4628 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4631 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4632 DECL_EXTERNAL when checking for initializers of progmem variables.
4634 2012-01-12 Ira Rosen <irar@il.ibm.com>
4636 PR tree-optimization/51799
4637 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4638 that the last operation is a type demotion.
4640 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4642 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4643 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4645 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4648 * combine.c (distribute_notes): If i3 is a noreturn call,
4649 allow old_size to be equal to args_size and make sure the
4650 noreturn call gets REG_ARGS_SIZE note.
4651 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4652 on noreturn calls even when the delta is 0.
4654 2012-01-11 Nathan Sidwell <nathan@acm.org>
4656 * gcov.c (STRING_SIZE): Remove.
4657 (generate_results): Erase annotations for source files with no
4658 coverage information.
4660 (output_lines): Use it.
4662 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4664 * gimple.h (gimplify_body): Remove first argument.
4665 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4666 pointer set here, instead just pass DATA to walk_tree.
4667 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4668 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4669 (unvisit_body): Likewise, but with unmark_visited.
4670 (gimplify_body): Remove BODY_P argument and adjust.
4671 (gimplify_function_tree): Adjust call to gimplify_body.
4672 * omp-low.c (finalize_task_copyfn): Likewise.
4674 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4676 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4677 (build_function_type_skip_args): Delete.
4678 * tree.c (build_function_type_skip_args): Make static and add
4679 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4680 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4681 pass it to build_function_type_skip_args.
4682 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4683 (tree_function_versioning): Likewise.
4684 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4685 build_function_decl_skip_args.
4686 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4687 and pass it to build_function_decl_skip_args/tree_function_versioning.
4688 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4689 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4690 * trans-mem.c (ipa_tm_create_version): Likewise.
4691 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4692 * tree-inline.c (declare_return_variable): Remove always-true test.
4693 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4694 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4695 * ipa-split.c (split_function): Skip the return value for the split
4696 part if it doesn't return.
4698 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4700 PR tree-optimization/49642
4701 * ipa-split.c (forbidden_dominators): New variable.
4702 (check_forbidden_calls): New function.
4703 (dominated_by_forbidden): Likewise.
4704 (consider_split): Check for forbidden dominators.
4705 (execute_split_functions): Initialize and free forbidden
4706 dominators info; call check_forbidden_calls.
4708 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4710 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4712 2012-01-11 Nick Clifton <nickc@redhat.com>
4714 * config/rx/rx.md (return): Define pattern.
4716 2012-01-11 Richard Guenther <rguenther@suse.de>
4718 * doc/extend.texi (malloc attribute): Adjust according to
4721 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4722 Patrick Marlier <patrick.marlier@gmail.com>
4725 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4726 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4727 (ipa_tm_note_irrevocable): Same.
4728 (ipa_tm_scan_irr_block): Same.
4729 (ipa_tm_decrement_clone_counts): Same.
4730 (ipa_tm_scan_irr_function): Same.
4731 (ipa_tm_create_version_alias): Same.
4732 (ipa_tm_create_version): Same.
4733 (ipa_tm_transform_calls_redirect): Same.
4734 (ipa_tm_transform_calls): Same.
4735 (ipa_tm_transform_transaction): Same.
4736 (ipa_tm_execute): Same.
4738 2012-01-10 Richard Guenther <rguenther@suse.de>
4741 * opts.c (common_handle_option): Handle -Werror.
4743 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4745 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4748 2012-01-10 Jason Merrill <jason@redhat.com>
4750 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4753 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4755 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4756 supports R_386_TLS_GD_PLT reloc.
4757 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4758 supports R_386_TLS_LDM_PLT reloc.
4759 * configure: Regenerate.
4760 * config.in: Regenerate.
4762 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4765 Extend __pgmx semantics to linearize memory.
4766 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4767 determine if code comes inline or from libgcc.
4768 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4769 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4770 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4771 (movmemx_qi, movmemx_hi): New insns.
4772 (xload_<mode>_libgcc): Rewrite to new insn condition.
4773 (xload_<mode>): Remove insns.
4774 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4775 cases that don't satisfy avr_xload_libgcc_p().
4776 (avr_addr_space_convert): Allow converting in any direction.
4777 (avr_addr_space_subset_p): Return always true.
4778 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4779 (avr_emit_movmemhi): Ditto.
4780 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4781 (avr_out_movmem): Ditto.
4782 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4783 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4784 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4785 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4786 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4788 2012-01-10 Richard Guenther <rguenther@suse.de>
4790 PR tree-optimization/50913
4791 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4792 Require data-refs to be representable by Graphite with respect
4795 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4797 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4798 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4800 2012-01-10 Tom de Vries <tom@codesourcery.com>
4802 PR rtl-optimization/51271
4803 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4804 handling annulled branch.
4806 2012-01-10 Richard Henderson <rth@redhat.com>
4808 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4809 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4810 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4811 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4812 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4813 arm_expand_vec_perm_const): New.
4814 * config/arm/arm-protos.h: Update.
4815 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4816 (*neon_vswp<VDQX>): New.
4817 (neon_vcombine<VDX>): Use neon_split_vcombine.
4818 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4819 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4820 (vec_perm<VE>): New.
4822 2012-01-10 Richard Henderson <rth@redhat.com>
4824 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4825 use it if reload_completed.
4826 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4827 arm_output_asm_insn, arm_process_output_memory_barrier,
4828 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4829 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4830 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4831 arm_process_output_sync_insn, arm_output_sync_insn,
4832 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4833 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4834 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4835 (emit_unlikely_jump): New.
4836 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4837 (arm_split_atomic_op): New.
4838 * config/arm/arm-protos.h: Update.
4839 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4840 (struct arm_sync_generator): Remove.
4841 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4842 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4843 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4844 (VUNSPEC_LL, VUNSPEC_SC): New.
4845 (sync_result, sync_memory, sync_required_value, sync_new_value,
4846 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4847 (attr length): Don't use arm_sync_loop_insns.
4848 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4849 (movsfcc, movdfcc): Likewise.
4850 * config/arm/constraints.md (Ua): New.
4851 * config/arm/prediates.md (mem_noofs_operand): New.
4852 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4853 (sync_clobber, sync_t2_reqd): Remove.
4854 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4855 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4856 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4857 (arm_sync_compare_and_swap<SIDI>): Remove.
4858 (arm_sync_compare_and_swap<NARROW>): Remove.
4859 (arm_sync_lock_test_and_set<SIDI>): Remove.
4860 (arm_sync_lock_test_and_set<NARROW>): Remove.
4861 (arm_sync_new_<syncop><SIDI>): Remove.
4862 (arm_sync_new_<syncop><NARROW>): Remove.
4863 (arm_sync_new_nand<SIDI>): Remove.
4864 (arm_sync_new_nand<NARROW>): Remove.
4865 (arm_sync_old_<syncop><SIDI>): Remove.
4866 (arm_sync_old_<syncop><NARROW>): Remove.
4867 (arm_sync_old_nand<SIDI>): Remove.
4868 (arm_sync_old_nand<NARROW>): Remove.
4869 (*memory_barrier): Merge arm_output_memory_barrier.
4870 (atomic_compare_and_swap<QHSD>): New.
4871 (atomic_compare_and_swap<NARROW>_1): New.
4872 (atomic_compare_and_swap<SIDI>_1): New.
4873 (atomic_exchange<QHSD>): New.
4874 (cas_cmp_operand, cas_cmp_str): New.
4875 (atomic_op_operand, atomic_op_str): New.
4876 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4877 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4878 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4879 (arm_load_exclusive<NARROW>): New.
4880 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4881 (arm_store_exclusive<QHSD>): New.
4883 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4885 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4886 reload patterns if -mvsx-scalar-memory.
4888 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4889 generated, even -mno-vsx-scalar-double was used.
4890 (vsx_xscvdpsp_scalar): Likewise.
4891 (vsx_xscvspdp_scalar2): Likewise.
4893 2012-01-09 Tom de Vries <tom@codesourcery.com>
4894 Andrew Pinski <apinski@cavium.com>
4897 * reorg.c (fill_slots_from_thread): Don't speculate
4898 frame-related insns.
4900 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4902 * sched-int.h (bb_note): Move to...
4903 * basic-block.h: ...here.
4904 * haifa-sched.c (bb_note): Move to...
4905 * cfgrtl.c: ...here.
4906 * function.c (next_block_for_reg): New function.
4907 (move_insn_for_shrink_wrap): Likewise.
4908 (prepare_shrink_wrap): Rewrite to use the above.
4910 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4912 * gimple.c (is_gimple_non_addressable): Remove.
4913 * gimple.h: Remove is_gimple_non_addressable.
4914 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4915 is_gimple_non_addressable.
4916 * trans-mem.c (expand_assign_tm): Same.
4918 2012-01-09 Richard Guenther <rguenther@suse.de>
4920 PR tree-optimization/51775
4921 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4922 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4924 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4926 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4928 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4930 2012-01-09 Richard Guenther <rguenther@suse.de>
4932 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4934 2012-01-08 Jan Hubicka <jh@suse.cz>
4936 PR tree-optimize/51680
4937 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4938 on when known_vals needs to be computed; cleanup.
4940 2012-01-08 Jan Hubicka <jh@suse.cz>
4942 PR tree-optimize/51694
4943 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4945 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4947 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4948 for -std=c++98 and -std=c++11 too.
4950 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4952 * cfgloop.c (cancel_loop): Add free() of bbs array.
4954 2012-01-07 Jan Hubicka <jh@suse.cz>
4956 PR tree-optimization/51600
4957 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4958 that benefits small functions.
4960 2012-01-07 Jan Hubicka <jh@suse.cz>
4962 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4964 2012-01-07 Jan Hubicka <jh@suse.cz>
4966 PR tree-optimization/51680
4967 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4968 whose inlining reduce unit size.
4970 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4973 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4974 Add canonical node to containing_mem chain after the non-canonical
4975 one, even if there weren't any locs to propagate.
4976 (remove_useless_values): Keep only canonical values.
4977 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4978 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4979 canonicalize mem_chain elements that are not discarded.
4981 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4984 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4985 before emitting functions.
4987 PR gcov-profile/50127
4988 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4989 clear_aux_for_blocks.
4991 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4994 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4996 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4998 * c-decl.c (ext_block): Moved up.
4999 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5001 2012-01-06 Han Shen <shenhan@google.com>
5003 Translate built-in include paths for sysroot.
5004 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5005 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5007 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5008 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5010 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5011 control whether sysroot should be prepended to gxx include dir.
5013 * configure: Regenerate.
5015 2012-01-06 Torvald Riegel <triegel@redhat.com>
5017 PR rtl-optimization/51771
5018 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5019 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5021 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5023 PR tree-optimization/51315
5024 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5025 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5027 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5030 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5031 for shrp pattern. Correctly handle and fixup shift variable.
5032 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5034 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5037 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5038 note when !ACCUMULATE_OUTGOING_ARGS.
5040 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5042 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5044 (extract_range_from_unary_expr_1): Avoid useless computations.
5046 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5048 PR rtl-optimization/51767
5049 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5050 of jump_block and add an extra edge for degenerated asm gotos.
5053 * stmt.c (check_unique_operand_names): Don't ICE during error
5054 reporting if i is from labels chain.
5057 * profile.c (branch_prob): Split bbs that have exit edge
5058 and need a fake entry edge too.
5060 2012-01-05 Jan Hubicka <jh@suse.cz>
5063 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5066 2012-01-05 Richard Guenther <rguenther@suse.de>
5069 * tree-streamer-out.c (write_ts_optimization): New function.
5070 (streamer_write_tree_body): Call it.
5071 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5072 (streamer_read_tree_body): Call it.
5073 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5075 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5078 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5079 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5080 in_cleanup_point_expr before gimplify_stmt call and restore it
5082 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5083 in_cleanup_point_expr is false.
5085 2012-01-05 Richard Guenther <rguenther@suse.de>
5088 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5090 * toplev.c (process_options): Reject combining mudflap and LTO.
5091 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5093 2012-01-05 Richard Guenther <rguenther@suse.de>
5095 PR tree-optimization/51760
5096 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5098 (bit_value_unop): Handle UNDEFINED operands.
5099 (bit_value_binop): Likewise.
5101 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5103 * config/avr/avr.c (avr_replace_prefix): Remove.
5104 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5105 (avr_asm_function_rodata_section): Ditto.
5106 (avr_asm_select_section): Ditto.
5108 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5110 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5113 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5116 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5117 calls that have any non-fake successor edges.
5120 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5122 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5124 PR tree-optimization/51624
5125 * tree-sra.c (build_ref_for_model): When replicating a chain of
5126 COMPONENT_REFs, stop as soon as the offset would become negative.
5128 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5131 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5132 in .debug_loc on the floor.
5134 2012-01-04 Andrew Pinski <apinski@cavium.com>
5136 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5138 2012-01-04 Andrew Pinski <apinski@cavium.com>
5139 Adam Nemet <anemet@caviumnetworks.com>
5141 * config/mips/mips.md (size): Add SI and DI.
5142 (SIZE): New mode attribute.
5143 (U): New code attribute.
5144 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5145 (mips_lbux_<mode>): Delete.
5146 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5147 (mips_lhx): Use gen_mips_lhx_extsi.
5148 (mips_lhx_<mode>): Delete.
5150 (mips_l<size>x): New expand.
5151 (mips_lwx_<mode>): Delete.
5152 (mips_l<GPR:size>x_<P:mode>): New pattern.
5153 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5154 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5155 * config/mips/mips.c (mips_lx_address_p): New function.
5156 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5157 (dsp64): New availability predicate.
5158 (mips_builtins): Add an entry for __builtin_mips_ldx.
5159 * config/mips/mips.h (ISA_HAS_LBX): New define.
5160 (ISA_HAS_LBUX): Likewise.
5161 (ISA_HAS_LHX): Likewise.
5162 (ISA_HAS_LHUX): Likewise.
5163 (ISA_HAS_LWX): Likewise.
5164 (ISA_HAS_LWUX): Likewise.
5165 (ISA_HAS_LDX): Likewise.
5166 * doc/extend.texi (__builtin_mips_ldx): Document.
5168 2012-01-04 Tristan Gingold <gingold@adacore.com>
5170 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5171 when long pointers are used.
5172 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5173 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5174 (ia64-hp-*vms*): Remove.
5175 * config/vms/xm-vms64.h: Delete.
5177 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5180 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5182 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5184 * opts.c (finish_options): Remove duplicate sorry.
5186 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5189 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5192 2012-01-04 Richard Guenther <rguenther@suse.de>
5195 * tree.c (size_low_cst): New function.
5196 * tree.h (size_low_cst): Declare.
5197 * fold-const.c (fold_comparison): Use it to extract the low
5198 part of the POINTER_PLUS_EXPR offset.
5200 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5202 Fix clearing ZERO_REG
5203 * config/avr/avr.md (cc): Add alternative "ldi".
5204 (movqi_insn): Use it in cc attribute.
5205 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5206 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5207 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5209 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5211 * configure: Regenerate.
5213 2012-01-04 Richard Guenther <rguenther@suse.de>
5215 PR tree-optimization/49651
5216 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5217 (var_can_have_subvars): Use it.
5218 (get_constraint_for_1): Only consider subfields if there can be any.
5220 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5223 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5224 to its new canonical_cselib_val and the cselib_val was in
5225 first_containing_mem chain, but the canonical_cselib_val was not,
5226 add the latter into the chain.
5227 (cselib_invalidate_mem): Compare canonical_cselib_val of
5228 addr_list chain elt with v.
5231 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5232 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5234 (output_macinfo_op): Don't ggc_strdup fd->filename.
5235 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5236 then ggc_strdup it. Don't free inc->info or cur->info.
5237 (output_macinfo): Don't free ref->info or file->info.
5239 2012-01-03 Ira Rosen <irar@il.ibm.com>
5241 PR tree-optimization/51269
5242 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5243 first_niters a pointer.
5244 (slpeel_tree_peel_loop_to_edge): Likewise.
5245 (vect_do_peeling_for_loop_bound): Update call to
5246 slpeel_tree_peel_loop_to_edge.
5247 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5248 here. Remove it from the parameters list.
5249 (vect_do_peeling_for_alignment): Update calls and compute
5252 2012-01-03 Richard Guenther <rguenther@suse.de>
5254 PR tree-optimization/51070
5255 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5256 Properly handle calls.
5258 2012-01-03 Richard Guenther <rguenther@suse.de>
5260 PR tree-optimization/51692
5261 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5262 the LHS of allocation stmts.
5264 2012-01-03 Olivier Hainque <hainque@adacore.com>
5266 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5268 2012-01-03 Olivier Hainque <hainque@adacore.com>
5270 * collect2.c (main): In AIX specific computations for vector
5271 insertions, use CONST_CAST2 to cast from char ** to const char **.
5273 2012-01-03 Richard Guenther <rguenther@suse.de>
5276 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5277 the context of a limbo DIE when it does not already exist.
5279 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5281 PR tree-optimization/51719
5282 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5283 but direct call is, clear direct call's lhs and don't add fallthrough
5284 edge from dcall_bb to join_bb and PHIs.
5286 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5288 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5289 the instructions emitted by the pattern.
5290 ("*TDC_insn_<mode>"): Add comment.
5292 2012-01-03 Richard Guenther <rguenther@suse.de>
5295 * fold-const.c (fold_comparison): Properly canonicalize
5296 tree offset and HOST_WIDE_INT bit position.
5298 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5300 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5301 operands for extzv pattern.
5303 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5306 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5309 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5311 * doc/invoke.texi (-flto and related options): Copy-edit.
5313 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5315 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5317 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5319 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5322 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5324 * expr.h (move_by_pieces_ninsns): Declare.
5325 * expr.c (move_by_pieces_ninsns): Make external.
5326 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5327 (mips_store_by_pieces_p): Likewise.
5328 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5329 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5330 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5331 (mips_store_by_pieces_p): Likewise.
5333 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5335 * passes.c (register_one_dump_file): Free full_name.
5337 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5338 (calculate_elim_costs_all_insns): Free offsets_at and
5339 offsets_known_at at the end and clear the pointers.
5341 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5343 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5344 this option introduced in r180739.
5346 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5349 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5350 (tmake_file target=avr): Add avr/t-multilib.
5352 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5353 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5354 * config/avr/genmultilib.awk: New file.
5355 * config/avr/t-multilib: New auto-generated file.
5356 * config/avr/multilib.h: New auto-generated file.
5357 * config/avr/t-avr (AVR_MCUS): New variable.
5358 (genopt.sh): Use it.
5359 (s-mlib): Depend on t-multilib.
5360 (t-multilib, multilib.h): New dependencies.
5361 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5362 (MULTILIB_OPTIONS): Remove.
5363 (MULTILIB_MATCHES): Remove.
5364 (MULTILIB_DIRNAMES): Remove.
5365 (MULTILIB_EXCEPTIONS): Remove:
5366 * config/avr/genopt.sh: Don't use hard coded file name;
5367 pass AVR_MCUS from t-avr instead.
5369 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5371 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5373 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5375 Implement light-weight DImode support.
5376 * config/avr/avr-dimode.md: New file.
5377 * config/avr/avr.md: Include it.
5378 (adjust_len): Add plus64, compare64.
5379 (HIDI): Remove code iterator.
5380 (code_stdname): New code attribute.
5381 (rotx, rotsmode): Remove DI.
5382 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5384 * config/avr/avr-protos.h (avr_have_dimode): New.
5385 (avr_out_plus64, avr_out_compare64): New.
5386 * config/avr/avr.c (avr_out_compare): Handle DImode.
5387 (avr_have_dimode): New variable definition and initialization.
5388 (avr_out_compare64, avr_out_plus64): New functions.
5389 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5390 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5391 (avr_compare_pattern): Skip DImode comparisons.
5393 2012-01-02 Revital Eres <revital.eres@linaro.org>
5395 * ddg.c (def_has_ccmode_p): New function.
5396 (add_cross_iteration_register_deps,
5397 create_ddg_dep_from_intra_loop_link): Call it.
5399 2012-01-02 Richard Guenther <rguenther@suse.de>
5402 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5404 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5406 * gcc.c (process_command): Update copyright notice dates.
5407 * gcov.c (print_version): Likewise.
5408 * gcov-dump.c (print_version): Likewise.
5409 * mips-tfile.c (main): Likewise.
5410 * mips-tdump.c (main): Likewise.
5412 2012-01-01 Ira Rosen <irar@il.ibm.com>
5414 PR tree-optimization/51704
5415 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5416 a use is inside the basic block or loop before accessing its vect info.
5418 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5420 PR rtl-optimization/51069
5421 * cfgloopmanip.c (remove_path): Removing path making irreducible
5422 region unconditional makes BB part of the region.
5424 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5426 PR tree-optimization/51683
5427 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5428 calls with side-effects.
5429 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5431 Copyright (C) 2012 Free Software Foundation, Inc.
5433 Copying and distribution of this file, with or without modification,
5434 are permitted in any medium without royalty provided the copyright
5435 notice and this notice are preserved.
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