1 2012-07-19 Christian Bruel <christian.bruel@st.com>
4 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
6 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
8 * config.gcc (v850-*-rtems*): New target.
9 * config/v850/rtems.h: New.
10 * config/v850/t-rtems: New.
12 2012-07-18 Nick Clifton <nickc@redhat.com>
14 * doc/invoke.texi (ARM Options): Document -munaligned-access.
16 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
20 Backport from mainline
21 2012-04-25 Jakub Jelinek <jakub@redhat.com>
24 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
25 instead expand it as zero extension.
27 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
29 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
30 QImode and HImode splitters. Use ix86_comparison_operator.
31 Explicitly match FLAGS_REG.
32 (DFmode cmove splitter): Explicitly match FLAGS_REG.
34 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
35 Steven Bosscher <steven@gcc.gnu.org>
36 Bernd Schmidt <bernds@codesourcery.com>
38 PR rtl-optimization/53908
39 * df-problems.c (can_move_insns_across): When doing
40 memory-reference book-keeping, handle call insns.
42 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
44 Backport from mainline
45 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
48 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
49 sibcall_insn_operand. Move it to a temporary register if not.
51 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
54 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
55 emit PIC sequence for fnaddr symbol reference in advance.
57 2012-07-09 Jason Merrill <jason@redhat.com>
60 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
61 (type_hash_eq): Likewise.
64 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
66 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
68 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
69 due to negative shift amount.
71 2012-07-06 Kai Tietz <ktietz@redhat.com>
73 Backport from mainline.
75 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
78 2012-07-06 Nick Clifton <nickc@redhat.com>
80 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
81 default_encode_section_info.
83 2012-07-06 Richard Guenther <rguenther@suse.de>
85 Backport from mainline
86 2012-03-30 Richard Guenther <rguenther@suse.de>
89 * double-int.c (rshift_double): Remove not needed cast.
91 2012-03-28 Richard Guenther <rguenther@suse.de>
94 * double-int.h (rshift_double): Remove.
95 * double-int.c (lshift_double): Use absu_hwi to make count
97 (rshift_double): Make static, take unsigned count argument,
98 remove handling of negative count argument.
99 (double_int_rshift): Dispatch to lshift_double.
101 2012-07-06 Richard Guenther <rguenther@suse.de>
103 Backport from mainline
104 2012-06-18 Richard Guenther <rguenther@suse.de>
106 PR tree-optimization/53693
107 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
108 Reject operands with more than one use.
110 2012-07-06 Richard Guenther <rguenther@suse.de>
112 Backport from mainline
113 2012-04-11 Richard Guenther <rguenther@suse.de>
116 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
117 consider loop nesting.
118 (evolution_function_is_univariate_p): Properly check the remainder
121 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
123 Backport from mainline
124 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
126 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
127 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
128 (adjacent_mem_locations): Move some code to and call...
129 (get_memref_parts): ...new function.
130 (mem_locations_overlap): New function.
131 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
132 (is_mem_ref): Rename to...
133 (find_mem_ref): ...this. Return MEM rtx.
134 (get_store_dest): Remove function.
135 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
136 new parameter and adjust calls.
137 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
138 mem refs overlap for true_store_to_load_dep_costly.
139 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
140 passed to adjacent_mem_locations.
141 (is_costly_group): Walk resolved dependency list.
142 (force_new_group): Emit group ending nop for Power6/Power7.
143 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
144 (group_ending_nop): New define_insn.
146 2012-07-04 Richard Guenther <rguenther@suse.de>
149 * gimple-fold.c (get_base_constructor): Do not return an
150 error_mark_node DECL_INITIAL.
152 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
154 Backport from mainline
155 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
157 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
158 code model string in the error message.
160 2012-07-04 Tristan Gingold <gingold@adacore.com>
162 Backport from mainline.
163 2012-06-25 Tristan Gingold <gingold@adacore.com>
165 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
166 (seh_cfa_adjust_cfa): ... that function.
167 (seh_emit_stackalloc): Do not emit out of range values.
168 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
169 UNSPEC_DEF_CFA constants.
170 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
171 * config/i386/i386.c (ix86_frame_pointer_required): Required
172 for very large frames on SEH target.
173 (ix86_compute_frame_layout): Save area is before frame pointer
174 on SEH target. Handle very large frames.
175 (ix86_expand_prologue): Likewise.
177 2012-07-04 Richard Guenther <rguenther@suse.de>
179 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
180 as in free_lang_data_in_type.
182 2012-07-02 Martin Jambor <mjambor@suse.cz>
184 Backport from mainline.
185 2012-07-02 Martin Jambor <mjambor@suse.cz>
188 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
189 dynamic type change check.
191 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
193 * tree-eh.c (lower_try_finally_switch): Really put the location of the
194 last statement of the finally block onto the switch.
196 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
198 * configure: Regenerate.
200 Backport from mainline.
201 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
203 * config.gcc (target_type_format_char): New. Document it. Set it for
205 * configure.ac (gnu_unique_option): Use target_type_format_char
206 in test. Comment rationale.
208 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
210 Backport from mainline.
211 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
213 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
215 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
217 Backport from 2012-06-28 mainline r189049
220 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
221 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
222 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
223 avr_hard_regno_call_part_clobbered.
225 2012-06-28 Richard Guenther <rguenther@suse.de>
228 * expr.c (expand_expr_real_1): Verify if the type is complete
229 before inspecting its size.
231 2012-06-27 Nick Clifton <nickc@redhat.com>
233 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
236 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
239 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
241 2012-06-26 Nick Clifton <nickc@redhat.com>
243 * config/rx/rx.md (simple_return): Use the simple_return rtx.
245 2012-06-25 Jakub Jelinek <jakub@redhat.com>
248 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
249 of x x x in the vmovlps load alternative.
251 2012-06-22 Richard Guenther <rguenther@suse.de>
253 * gcov-iov.c: Include bconfig.h and system.h.
255 2012-06-22 Richard Guenther <rguenther@suse.de>
257 PR gcov-profile/53744
258 * gcov-iov.c (main): Treat "" and "prerelease" the same.
260 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
262 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
263 DECL_IGNORED_P non-reg vars even if they are used.
265 2012-06-19 Jason Merrill <jason@redhat.com>
268 * dwarf2out.c (modified_type_die): Use scope_die_for.
269 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
270 (uses_local_type_r, uses_local_type): New.
271 (scope_die_for): Keep a type that uses a local type in local scope.
272 Use get_context_die for namespace and type scope.
274 2012-06-19 Richard Guenther <rguenther@suse.de>
277 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
278 replace it with the first non-BLOCK context.
280 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
282 PR rtl-optimization/53700
284 Backport from mainline
285 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
287 * ira-color.c (setup_left_conflict_sizes_p): Process all
290 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
292 Backport from mainline
293 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
296 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
297 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
298 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
299 instead of xop_mulv2div2di3_low.
300 (xop_p<macs>dql): Fix vec_select selector.
301 (xop_p<macs>dqh): Ditto.
302 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
303 (xop_mulv2div2di3_high): Ditto.
305 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
307 Backport from mainline:
308 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
310 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
312 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
314 Backport from mainline:
315 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
317 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
318 * config/pa/pa.c (pa_attr_length_millicode_call): Use
319 MAX_PCREL17F_OFFSET instead of fixed offset.
320 (pa_attr_length_call): Likewise.
321 (pa_attr_length_indirect_call): Likewise.
323 2012-06-15 Walter Lee <walt@tilera.com>
325 Backport from mainline:
326 2012-06-15 Walter Lee <walt@tilera.com>
328 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
330 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
332 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
334 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
336 Backport from mainline:
338 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
339 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
340 * gimple.h (block_in_transaction): Check for flag_tm.
342 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
344 PR tree-optimization/52558
346 Backport from mainline:
347 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
348 * gimple.h (gimple_set_in_transaction): Remove.
349 (gimple_in_transaction): Look in BB instead.
350 (gimple_statement_base): Remove in_transaction field.
351 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
352 * trans-mem.c (compute_transaction_bits): Place transaction bit
353 information into basic blocks.
355 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
357 PR tree-optimization/52558
358 * cfg.c (alloc_aux_for_edge): Fix comment.
359 (alloc_aux_for_edge): Remove static.
360 * basic-block.h (alloc_aux_for_edge): Protoize.
361 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
362 (execute_sm_if_changed_flag): New.
363 (execute_sm_if_changed_flag_set): New.
364 (execute_sm): Do not generate data races unless requested.
365 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
366 (tree_ssa_lim_finalize): Call free_aux_for_edges.
367 * gimple.h (block_in_transaction): New.
368 (gimple_in_transaction): Use block_in_transaction.
370 2012-06-14 Jakub Jelinek <jakub@redhat.com>
372 Backported from mainline
373 2012-06-12 Jakub Jelinek <jakub@redhat.com>
375 PR rtl-optimization/53589
376 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
377 discovery even when e->dest != target. If any LABEL_REF points
378 to e->dest label, redirect it to target's label.
380 2012-06-07 Jakub Jelinek <jakub@redhat.com>
383 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
384 returns false, replace stmt with GIMPLE_NOP.
385 (check_omp_nesting_restrictions): Instead of issuing warnings,
386 issue errors and return false if any errors were reported.
388 2012-06-14 Richard Guenther <rguenther@suse.de>
390 * BASE-VER: Set to 4.7.2.
391 * DEV-PHASE: Set to prerelease.
393 2012-06-12 Christian Bruel <christian.bruel@st.com>
396 * config/sh/sh.c (sh_option_override): Don't force
397 flag_omit_frame_pointer and maccumulate_outgoing_args.
398 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
400 2012-06-14 Release Manager
402 * GCC 4.7.1 released.
404 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
406 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
408 2012-06-13 Richard Henderson <rth@redhat.com>
410 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
411 iterator instead of INT.
413 2012-06-08 Richard Henderson <rth@redhat.com>
416 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
417 note to a clobber insn when no other insn is available.
419 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
422 * doc/invoke.texi (Wenum-compare): Update documentation.
424 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
427 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
429 (altivec_stvlxl): Ditto.
430 (altivec_stvrx): Ditto.
431 (altivec_stvrxl): Ditto.
433 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
436 * trans-mem.c (expand_block_edges): Do not skip the first
437 statement when resetting the BB.
439 2012-06-04 Richard Guenther <rguenther@suse.de>
442 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
443 create new assembler names.
445 2012-06-04 Richard Guenther <rguenther@suse.de>
447 Backport from mainline
448 2012-04-25 Jakub Jelinek <jakub@redhat.com>
451 * stor-layout.c (get_best_mode): Don't return mode with bitsize
452 larger than maxbits. Don't compute maxbits modulo align.
453 Also check that unit bytes long store at bitpos / unit * unit
454 doesn't affect bits beyond bitregion_end.
455 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
456 would not fit into bitregion_start ... bitregion_end + 1 bit
458 (store_split_bit_field): Decrease unit close to end of bitregion_end
459 if access is restricted in order to avoid mutual recursion.
461 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
463 Backport from 2012-06-04 mainline r188172
466 * config/avr/avr-stdint.h: New file.
467 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
470 2012-06-04 Jakub Jelinek <jakub@redhat.com>
472 PR tree-optimization/53550
473 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
474 is POINTER_TYPE_P, use sizetype as step type instead of type.
476 2012-06-04 Richard Guenther <rguenther@suse.de>
477 Eric Botcazou <ebotcazou@adacore.com>
479 Backport from mainline
480 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
482 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
483 Change type of BITOFFSET to signed. Make sure the lower bound of
484 the computed range is non-negative by adjusting OFFSET and BITPOS.
485 (expand_assignment): Adjust call to get_bit_range.
487 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
489 * expr.c (get_bit_range): Return the null range if the enclosing record
490 is part of a larger bit field.
492 2012-03-20 Richard Guenther <rguenther@suse.de>
494 * stor-layout.c (finish_bitfield_representative): Fallback
495 to conservative maximum size if the padding up to the next
496 field cannot be computed as a constant.
497 (finish_bitfield_layout): If we cannot compute the distance
498 between the start of the bitfield representative and the
499 bitfield member start a new representative.
500 * expr.c (get_bit_range): The distance between the start of
501 the bitfield representative and the bitfield member is zero
502 if the field offsets are not constants.
504 2012-03-16 Richard Guenther <rguenther@suse.de>
506 * stor-layout.c (finish_bitfield_representative): Fall back
507 to the conservative maximum size if we cannot compute the
508 size of the tail padding.
510 2012-03-14 Richard Guenther <rguenther@suse.de>
512 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
513 * stor-layout.c (start_bitfield_representative): New function.
514 (finish_bitfield_representative): Likewise.
515 (finish_bitfield_layout): Likewise.
516 (finish_record_layout): Call finish_bitfield_layout.
517 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
518 for QUAL_UNION_TYPE fields.
519 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
520 Stream DECL_BIT_FIELD_REPRESENTATIVE.
521 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
526 * expr.c (get_bit_range): Unconditionally extract bitrange
527 from DECL_BIT_FIELD_REPRESENTATIVE.
528 (expand_assignment): Adjust call to get_bit_range.
530 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
533 * fold-const.c (fold_binary_loc): Refine previous change.
535 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
537 Backport from mainline
538 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
541 * config/sh/sh.c (find_barrier): Add equality check of last_got to
542 avoid going above orig insn. Update comments.
544 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
546 Backport from mainline
547 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
550 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
551 prologue for unwinder and profiler.
553 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
555 Backport from mainline
556 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
558 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
560 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
562 Backport from mainline
563 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
565 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
568 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
570 Backport from mainline
571 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
573 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
574 operand is CONST_INT. Take COSTS_N_INSNS into account.
575 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
578 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
580 * config/avr/avr.opt (-msp8): Document it.
581 * doc/invoke.texi (AVR Options): Copy from trunk docu.
583 2012-05-31 Richard Guenther <rguenther@suse.de>
586 * expr.c (expand_assignment): Do not use movmisalign on
589 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
592 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
593 (pa_section_type_flags): New.
594 (pa_legitimate_constant_p): Revert previous change.
596 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
598 Backport from mainline
599 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
602 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
604 (ipa_tm_create_version): Same.
606 2012-05-30 Jason Merrill <jason@redhat.com>
609 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
610 about array compound literals.
612 2012-05-30 Richard Guenther <rguenther@suse.de>
615 * fold-const.c (fold_binary_loc): Make sure to call
616 fold_plusminus_mult_expr with the original sign of operands.
618 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
620 * explow.c (probe_stack_range): Restore simple control flow and stop
621 again when the probe cannot be generated if HAVE_check_stack.
623 2012-05-30 Jakub Jelinek <jakub@redhat.com>
625 PR rtl-optimization/53519
626 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
627 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
629 2012-05-29 Richard Guenther <rguenther@suse.de>
631 PR tree-optimization/53516
632 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
634 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
636 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
638 Backport from mainline
639 2012-05-28 Richard Guenther <rguenther@suse.de>
641 PR tree-optimization/53438
642 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
644 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
646 Backport from mainline
647 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
649 PR rtl-optimization/52528
650 * combine.c (can_combine_p): Add setting of subst_low_luid
651 before call to expand_field_assignment().
653 2012-05-26 Martin Jambor <mjambor@suse.cz>
655 Backport from mainline
656 2012-05-23 Martin Jambor <mjambor@suse.cz>
658 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
660 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
663 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
664 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
666 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
669 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
670 (ix86_expand_vec_perm): Use int mode instead of float.
672 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
675 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
676 gnu_ld variables to yes.
677 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
678 (HAVE_GNU_AS): Likewise.
679 * config.in: Regenerate.
680 * configure: Likewise.
682 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
684 Backport from mainline
685 2012-03-12 Richard Guenther <rguenther@suse.de>
686 * config/arm/arm.c (neon_dereference_pointer): Do not call
687 covert during RTL expansion.
689 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
691 Backport from mainline
692 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
695 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
696 relied on signed overflow behavior.
698 2012-05-24 Richard Guenther <rguenther@suse.de>
701 * tree-profile.c (tree_profiling): Cleanup the CFG if
702 execute_fixup_cfg requests it.
704 2012-05-24 Jakub Jelinek <jakub@redhat.com>
706 PR tree-optimization/53465
707 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
708 vr0 into *vr, then vrp_meet that.
709 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
710 have any equivalences.
711 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
714 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
716 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
718 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
719 (iterative_hash_gimple_type): Adjust comment.
720 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
721 domain for an array type instead of the domain type itself.
723 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
725 Backport from 2012-05-23 mainline r187803
728 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
729 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
732 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
734 Backport from 2012-05-03 mainline r187075
736 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
737 has_fma4 for AMD processors with both fma3 and fma4 support.
739 2012-05-22 Richard Guenther <rguenther@suse.de>
741 PR tree-optimization/53408
742 * tree-vect-loop.c (vectorizable_induction): Properly check
743 the restriction that we cannot handle induction results from
744 the inner loop outside of the outer loop.
746 2012-05-21 Jakub Jelinek <jakub@redhat.com>
748 PR tree-optimization/53436
749 * omp-low.c (omp_build_component_ref): New function.
750 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
752 PR tree-optimization/53366
753 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
754 tests if complex_numbers == 2, but there are non-complex number loads
757 PR tree-optimization/53409
758 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
759 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
761 PR tree-optimization/53410
762 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
763 instead of build_int_cst (type, 0) where vector types might be
766 2012-05-21 Joseph Myers <joseph@codesourcery.com>
769 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
770 from folded operands before wrapping another around the
771 conditional expression.
773 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
774 Patrick Marlier <patrick.marlier@gmail.com>
776 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
779 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
781 Backport from mainline
782 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
785 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
786 (UNSPECV_RDRAND): This.
787 (rdrand<mode>_1): Updated.
789 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
791 Backport from mainline
792 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
794 * config/i386/driver-i386.c (host_detect_local_cpu): Support
795 RDRND, F16C and FSGSBASE.
797 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
799 Backport from mainline
800 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
802 * tree-ssa-pre.c (can_value_number_call): Delete.
803 (compute_avail): Skip all statements with side effects.
804 <GIMPLE_CALL>: Skip calls to internal functions.
806 2012-05-18 David S. Miller <davem@davemloft.net>
808 Backport r185385 from mainline
809 2012-03-14 Richard Guenther <rguenther@suse.de>
812 * tree-vect-generic.c (type_for_widest_vector_mode): Take
813 element type instead of mode, use build_vector_type_for_mode
814 instead of the langhook, build a vector of proper signedness.
815 (expand_vector_operations_1): Adjust.
817 2012-05-18 Olivier Hainque <hainque@adacore.com>
819 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
820 $(libsubdir) as libexecsubdir.
822 2012-05-16 Andrew Pinski <apinski@cavium.com>
824 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
827 2012-05-16 David S. Miller <davem@davemloft.net>
829 * jump.c (delete_related_insns): If we remove a CALL, make sure
830 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
832 2012-05-16 Richard Henderson <rth@redhat.com>
835 * combine-stack-adj.c (prev_active_insn_bb): New.
836 (next_active_insn_bb): New.
837 (force_move_args_size_note): New.
838 (combine_stack_adjustments_for_block): Use it.
840 2012-05-16 Olivier Hainque <hainque@adacore.com>
842 * Makefile.in (install-no-fixedincludes): New target, former toplevel
843 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
844 Add comments and improve stamp preservation across the whole sequence.
845 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
847 2012-05-16 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/53364
850 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
851 detect a view-conversion of the decl.
853 2012-05-15 Jakub Jelinek <jakub@redhat.com>
856 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
857 that operands[2] is either immediate, or q_regs_operand.
859 2012-05-15 Bin Cheng <bin.cheng@arm.com>
861 Backport r187139 from mainline.
862 2012-05-04 Bin Cheng <bin.cheng@arm.com>
864 PR rtl-optimization/52804
865 * reload1.c (reload_reg_reaches_end_p): Check whether successor
866 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
867 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
868 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
869 RELOAD_FOR_OUTADDR_ADDRESS.
871 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
874 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
875 generate target register for "load" class builtins.
878 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
881 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
882 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
883 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
884 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
885 (<sse>_movu<ssemodesuffix>): New expander.
886 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
887 (avx_movdqu<avxmodesuffix>): New expander.
888 (*sse2_movdqu): Rename from sse2_movdqu.
889 (sse2_movdqu): New expander.
891 2012-05-14 Jakub Jelinek <jakub@redhat.com>
893 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
894 lineno 1 the same as lineno 0 before first start file directive.
895 (optimize_macinfo_range): Likewise.
897 * dwarf2out.c (have_macinfo): Define.
898 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
899 attribute, don't force empty compilation unit and don't emit any
900 .debug_macinfo/.debug_macro section if macinfo_table is empty.
902 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
904 Backport from mainline
905 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
907 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
908 ORDERED and UNORDERED conditions.
910 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
912 * function.c (requires_stack_frame_p): If the function can throw
913 non-call exceptions, return true if the insn can throw internally.
915 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
917 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
918 DECL_ORIGINAL_TYPE if it is present.
920 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
922 Backport from 2012-05-12 mainline r187342.
925 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
926 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
927 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
928 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
929 (expand_prologue): Move initialization of cfun->machine->is_naked,
930 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
931 (avr_set_current_function): ...this new static function.
932 (TARGET_SET_CURRENT_FUNCTION): New define.
933 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
934 checking attributes of current_function_decl.
935 (avr_regs_to_save): Ditto.
936 (signal_function_p): Rename to avr_signal_function_p.
937 (interrupt_function_p): Rename to avr_interrupt_function_p.
939 * doc/extend.texi (Function Attributes): Better explanation of
940 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
943 2012-05-09 Matthias Klose <doko@ubuntu.com>
945 * gcc-ar.c (main): Don't check for execute bits for the plugin.
947 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
950 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
951 when a constant source operand matches an "I" constraint, the "no
952 CC0 change" applies to a register-destination only, not a
953 strict_low_part-destination.
955 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
957 Backport from mainline:
958 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
960 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
962 2012-05-07 Jakub Jelinek <jakub@redhat.com>
964 PR tree-optimization/53239
965 * tree-vrp.c (get_value_range): Set VR of
966 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
969 2012-05-07 Richard Guenther <rguenther@suse.de>
971 PR tree-optimization/53195
972 * tree-inline.c (setup_one_parameter): Properly add referenced
973 vars from the parameters new known value.
975 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
977 Backport from mainline:
978 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
981 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
984 2012-05-04 Ian Lance Taylor <iant@google.com>
986 * tree-vect-patterns.c (vect_single_imm_use): Correct return
987 values from false to NULL.
989 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
991 Backport from mainline
992 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
995 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
996 (TARGET_CMOV): Rename from TARGET_CMOVE.
997 (TARGET_CMOVE): New define.
998 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
999 Do not set TARGET_CMOVE here.
1001 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1003 Backport from mainline:
1005 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1007 PR tree-optimization/52633
1008 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1009 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1010 (vect_recog_over_widening_pattern): Remove handling of code that was
1011 already detected as over-widening pattern. Remove special handling
1012 of "unsigned" cases. Instead, support general case of conversion
1013 of the shift result to another type.
1015 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1017 * tree-vect-patterns.c (vect_single_imm_use): New function.
1018 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1019 (vect_recog_over_widening_pattern): Likewise.
1020 (vect_recog_widen_shift_pattern): Likewise.
1022 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1024 PR tree-optimization/52870
1025 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1026 presumed pattern statement is within the same loop or basic block.
1028 2012-05-04 Richard Guenther <rguenther@suse.de>
1030 * common.opt (flto-report): Do not mark as Optimization.
1032 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1035 * recog.c (constrain_operands): If extra constraints are present, also
1036 accept pseudo-registers with equivalent memory locations during reload.
1038 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1040 Backport from the mainline
1041 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1044 * config/rs6000/rs6000.md (bswapdi splitters): If
1045 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1046 default) is used, generate an alternate sequence that does not
1047 depend on using indexed addressing.
1049 2012-05-03 David S. Miller <davem@davemloft.net>
1052 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1053 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1054 (sparc_emit_float_lib_cmp): Likewise.
1056 2012-05-04 Martin Jambor <mjambor@suse.cz>
1058 Backport from mainline
1059 2012-05-02 Martin Jambor <mjambor@suse.cz>
1062 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1063 of a variable when the contect is a function.
1065 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1068 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1069 append program name to it and pass that as first argument
1070 to make_relative_prefix. Always pass standard_libexec_prefix
1071 as last argument to make_relative_prefix. If
1072 make_relative_prefix returns NULL, fall back to
1073 standard_libexec_prefix.
1076 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1080 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1081 mode, return that mode.
1083 2012-05-03 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/53144
1086 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1088 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1089 with SSA name values.
1090 (vn_reference_lookup_3): Adjust callers.
1092 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1094 PR tree-optimization/53163
1095 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1096 return value from compute_all_dependences.
1098 PR rtl-optimization/53160
1099 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1100 has been modified by ree pass already.
1102 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1104 Backport from mainline
1105 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1108 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1109 calls to cgraph_node_name in xstrdup.
1110 (ipa_make_edge_direct_to_target): Ditto.
1111 * tree-sra.c (convert_callers_for_node): Ditto.
1112 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1113 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1114 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1115 (cgraph_materialize_all_clones): Ditto.
1116 * ipa-inline.c (report_inline_failed_reason): Ditto.
1117 (want_early_inline_function_p): Ditto.
1118 (edge_badness): Ditto.
1119 (update_edge_key): Ditto.
1120 (flatten_function): Ditto.
1121 (ipa_inline): Ditto.
1122 (inline_always_inline_functions): Ditto.
1123 (early_inline_small_functions): Ditto.
1125 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1127 Backport from mainline
1128 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1130 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1131 Introduce emul_name to select the right linker emulation for
1132 powerpc64-*-freebsd*.
1133 * configure: Regenerate.
1134 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1135 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1136 * config/rs6000/freebsd64.h: New file.
1137 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1139 (rs6000_savres_strategy): Likewise.
1140 (rs6000_savres_routine_name): Likewise.
1141 (rs6000_elf_file_end): Likewise.
1142 * config/rs6000/t-freebsd64: New file.
1143 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1144 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1146 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1148 Backport from mainline
1149 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1152 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1154 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1156 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1157 predicate to discriminate types.
1159 2012-04-27 Richard Guenther <rguenther@suse.de>
1162 * convert.c (convert_to_integer): Avoid infinite recursion for
1163 target-defined built-in types.
1165 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1168 * config/cris/cris.md ("*andhi_lowpart_v32")
1169 ("*andqi_lowpart_v32"): Change first input-only operand from
1170 a (match_operand ...) to (match_dup 0). Drop alternatives with
1171 const_int-matching constraints for redundancy.
1172 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1173 three-operand alternative.
1175 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1177 Backport from mainline
1178 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1180 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1181 (*addsi_2_zext): Ditto.
1182 (*add<mode>_3): Ditto.
1183 (*addsi_3_zext): Ditto.
1184 (*add<mode>_5): Ditto.
1186 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1189 * c-typeck.c (set_nonincremental_init,
1190 set_nonincremental_init_from_string): Pass true instead of false
1191 as IMPLICIT to add_pending_init.
1193 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1195 Backport from 2012-04-24 mainline r186768.
1198 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1200 2012-04-24 Richard Guenther <rguenther@suse.de>
1202 PR tree-optimization/53085
1203 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1206 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1209 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1211 (output_addressed_constants): Likewise.
1214 * varasm.c (get_section): Don't ICE for section conflicts with
1215 built-in section kinds.
1217 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1219 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1221 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1223 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1225 2012-04-23 Richard Guenther <rguenther@suse.de>
1228 * c-typeck.c (build_binary_op): Fix typo.
1230 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1232 PR tree-optimizations/52891
1233 * tree-vect-patterns.c (adjust_bool_pattern): Use
1234 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1235 but with non-standard precision.
1237 2012-04-22 Ian Lance Taylor <iant@google.com>
1239 * godump.c (go_output_typedef): Dump size of structs.
1241 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1243 Backport from mainline:
1245 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1246 hints for 'A' operand types.
1248 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1250 Backport from 2012-04-19 mainline r186588.
1253 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1254 the case *(X+const).
1256 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1258 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1260 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1263 * config/i386/sync.md (atomic_<code><mode>): Rename to
1264 atomic_<logic><mode>.
1266 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1268 Backport from mainline
1269 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1272 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1273 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1274 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1275 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1276 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1277 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1278 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1279 gen_avx2_permvarv8sf.
1281 2012-04-16 Martin Jambor <mjambor@suse.cz>
1283 Backported from mainline
1285 2012-04-13 Martin Jambor <mjambor@suse.cz>
1288 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1289 fold_ctor_reference returns a zero constant.
1291 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1293 Backported from mainline
1294 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1296 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1297 and __ILP32__ for x32.
1299 2012-04-13 Tom de Vries <tom@codesourcery.com>
1301 Backport from mainline r186418.
1303 2012-04-13 Tom de Vries <tom@codesourcery.com>
1305 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1306 parameters vuse and vuse_escaped.
1307 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1308 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1311 2012-04-13 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/52969
1314 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1315 the condition for the COND_EXPR and handle predicate negation
1316 by swapping the COND_EXPR arms.
1318 2012-04-13 Richard Guenther <rguenther@suse.de>
1321 * convert.c (convert_to_pointer): Remove special-casing of
1324 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1326 Backport from mainline
1327 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1330 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1331 the list of options to enable the FCFID instruction.
1332 (TARGET_EXTRA_BUILTINS): Adjust comment.
1334 2012-04-12 Richard Guenther <rguenther@suse.de>
1336 PR tree-optimization/52943
1337 * tree-chrec.h (chrec_is_positive): Remove.
1338 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1339 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1340 Return false for a constant zero instead of negative.
1341 (analyze_siv_subscript_cst_affine): Handle zero difference
1342 in the initial condition explicitely.
1344 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1347 * varasm.c (process_pending_assemble_externals): Set
1348 pending_assemble_externals_processed true.
1349 (assemble_external): Call assemble_external_real if the pending
1350 assemble externals have been processed.
1352 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1355 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1356 the DECL generated for the special GOT helper.
1358 2012-04-06 Walter Lee <walt@tilera.com>
1360 Backport from mainline
1361 2012-03-07 Walter Lee <walt@tilera.com>
1363 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1364 REG_CFA_* notes for the stack pointer.
1365 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1366 EH_RETURN_STACKADJ_RTX.
1367 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1368 generate REG_CFA_* notes for the stack pointer.
1369 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1370 by EH_RETURN_STACKADJ_RTX.
1372 2012-04-06 Matt Turner <mattst88@gmail.com>
1374 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1376 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1378 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1379 of the destination isn't also a FP_REGS register.
1381 2012-04-03 Richard Guenther <rguenther@suse.de>
1383 Backport from mainline
1384 2012-03-02 Richard Guenther <rguenther@suse.de>
1386 PR tree-optimization/52406
1387 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1388 (struct indices): Add unconstrained_base member.
1389 (struct dr_alias): Remove unused vops member.
1390 (DR_UNCONSTRAINED_BASE): New define.
1391 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1392 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1393 be an artificial access that covers the whole indexed object,
1394 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1395 plain decl base-objects to their MEM_REF variant.
1396 (dr_may_alias_p): When the base-object of either data reference
1397 has unknown size use only points-to information.
1398 (compute_affine_dependence): Make dumps easier to read and
1400 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1401 DR_REF when looking for packed references.
1402 (vect_supportable_dr_alignment): Likewise.
1404 2012-04-03 Richard Guenther <rguenther@suse.de>
1406 Backport from mainline
1407 2012-03-15 Richard Guenther <rguenther@suse.de>
1410 * tree-data-ref.c (subscript_dependence_tester_1): Check
1411 all dimensions for non-conflicting access functions.
1413 2012-04-03 Richard Guenther <rguenther@suse.de>
1415 Backport from mainline
1416 2012-03-06 Richard Guenther <rguenther@suse.de>
1419 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1421 2012-03-23 Richard Guenther <rguenther@suse.de>
1423 PR tree-optimization/52678
1424 * tree-vectorizer.h (struct _stmt_vec_info): Add
1425 loop_phi_evolution_part member.
1426 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1427 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1428 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1429 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1430 Use the cached evolution part and the PHI nodes value from
1431 the loop preheader edge instead of re-analyzing the evolution.
1433 2012-03-26 Richard Guenther <rguenther@suse.de>
1435 PR tree-optimization/52701
1436 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1437 compute and set the evolution part of PHI nodes.
1439 2012-03-30 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/52754
1442 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1443 propagate arbitrary addresses into really plain dereferences.
1445 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1447 PR tree-optimization/52835
1448 * tree-data-ref.c (build_rdg): Return NULL if
1449 compute_data_dependences_for_loop failed.
1451 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1453 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1454 (stmt_can_make_abnormal_goto): Use it.
1455 (is_ctrl_altering_stmt): Likewise.
1457 2012-03-31 Martin Jambor <mjambor@suse.cz>
1459 Backported from mainline
1460 2012-03-30 Martin Jambor <mjambor@suse.cz>
1462 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1463 is a builtin_stack_save in a dominating BB.
1465 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1467 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1468 crossing 128bit lane boundary.
1470 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1472 Backported from mainline
1473 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1476 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1478 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1479 * config/i386/i386.c: Include reload.h.
1480 (ix86_legitimize_reload_address): New function.
1482 2012-03-28 Martin Jambor <mjambor@suse.cz>
1484 Backported from mainline
1485 2012-03-27 Martin Jambor <mjambor@suse.cz>
1488 * tree-sra.c (sra_modify_assign): Do not call
1489 load_assign_lhs_subreplacements when working with an unscalarizable
1492 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1495 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1496 __builtin_va_start to __builtin_next_arg if the latter is
1497 builtin_decl_explicit_p rather than when it is not.
1500 * tree-vect-generic.c (vector_element): Perform multiplication
1501 for pos in bitsizetype type instead of idx type.
1503 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1505 Backport from 2012-03-28 mainline r185910.
1508 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1509 (avr_builtin_decl): New static function.
1510 (struct avr_builtin_description, avr_bdesc): Move up.
1511 Add GTY marker. Add field fndecl. Remove redundant field id.
1512 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1513 (avr_expand_builtin): Code cleanup because .id is removed.
1515 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1518 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1521 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1523 Backport from 2012-03-28 mainline r185907.
1526 * config.gcc (tm_file): Remove avr/multilib.h.
1528 * doc/invoke.texi (AVR Options): Adjust
1529 documentation of -mtiny-stack.
1531 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1532 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1533 * config/avr/t-avr: Remove generation of multilib.h.
1534 * config/avr/t-multilib: Regenerate.
1535 * config/avr/multilib.h: Remove.
1536 * config/avr/avr.opt (-msp8): New option.
1537 (avr_sp8): New variable.
1538 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1539 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1540 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1541 (avr_device_to_sp8): New prototype.
1542 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1543 (DRIVER_SELF_SPECS): New define.
1544 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1545 __AVR_SP8__, __AVR_HAVE_SPH__.
1546 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1547 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1548 (avr_file_start): Ditto.
1550 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1553 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1554 instead of 8 in adjust_address.
1556 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1558 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1559 of a unit before computing the offset in units.
1561 2012-03-27 Richard Guenther <rguenther@suse.de>
1564 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1567 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1570 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1572 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1575 * varasm.c: Include pointer-set.h.
1576 (pending_assemble_externals_set): New pointer set.
1577 (process_pending_assemble_externals): Destroy the pointer set.
1578 (assemble_external): See if decl is in pending_assemble_externals_set,
1579 and add it to pending_assemble_externals if necessary.
1580 (init_varasm_once): Allocate pending_assemble_externals_set.
1582 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1584 Backported from mainline
1585 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1588 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1589 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1590 (vector_ltgt<mode>): Likewise.
1591 (vector_ordered<mode>): Likewise.
1592 (vector_unordered<mode>): Likewise.
1593 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1595 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1597 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1600 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1602 Backported from mainline
1603 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1607 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1608 GENERAL_REGS and FP_REGS for SImode.
1610 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1613 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1614 on any new_local_var_chain vars declared during recursing on
1615 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1617 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1619 Backport from 2012-03-22 mainline r185692.
1622 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1623 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1624 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1625 (delay_cycles_1, delay_cycles_2): Ditto.
1626 (delay_cycles_3, delay_cycles_4): Ditto.
1627 (nopv, *nopv): Ditto.
1628 (sleep, *sleep): Ditto.
1631 Backport from 2012-03-21 mainline r185605.
1633 PR rtl-optimization/52543
1635 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1636 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1637 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1638 (avr_load_libgcc_p): Restrict to __flash loads.
1639 (avr_out_lpm): Only handle 1-byte loads from __flash.
1640 (avr_load_lpm): New function.
1641 (avr_find_unused_d_reg): Remove.
1642 (avr_out_lpm_no_lpmx): Remove.
1643 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1644 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1645 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1646 (load_<mode>, load_<mode>_clobber): New insns.
1647 (mov<mode>): For multi-byte move from non-generic
1648 16-bit address spaces: Expand to load_<mode> resp.
1649 load_<mode>_clobber.
1650 (load<mode>_libgcc): Remove expander.
1651 (split-lpmx): Remove split.
1653 Backport from 2012-03-13 mainline r185329.
1656 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1657 offset (size) to a value the insns can deal with.
1658 (expand_epilogue): Ditto.
1660 Backport from 2012-03-12 mainline r185256.
1663 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1664 type from reg_class_t to enum reg_class.
1665 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1667 Backport from 2012-03-12 mainline r185253.
1670 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1671 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1672 r184615 from 2012-02-28.
1674 Backport from 2012-03-08 mainline r185105.
1676 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1677 for constants in [-63,63].
1679 Backport from 2012-03-08 mainline r185100.
1682 * config/avr/avr.c (avr_mem_clobber): New static function.
1683 (avr_expand_delay_cycles): Add memory clobber operand to
1684 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1685 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1686 (enable_interrupt, disable_interrupt): New expander.
1687 (nopv, sleep, wdr): New expanders.
1688 (delay_cycles_1): Add memory clobber.
1689 (delay_cycles_2): Add memory clobber.
1690 (delay_cycles_3): Add memory clobber.
1691 (delay_cycles_4): Add memory clobber.
1692 (cli_sei): New insn from former "enable_interrupt",
1693 "disable_interrupt" with memory clobber.
1694 (*wdt): New insn from former "wdt" with memory clobber.
1695 (*nopv): Similar, but for "nopv".
1696 (*sleep): Similar, but for "sleep".
1698 Backport from 2012-03-07 mainline r185043.
1701 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1703 Backport from 2012-03-07 mainline r185032.
1706 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1707 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1708 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1710 Backport from 2012-03-07 mainline r185031.
1713 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1715 * config/avr/avr.md (xload_8): Adjust insn length.
1717 Backport from 2012-03-07 mainline r185030.
1720 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1721 if RAMPZ affects reading from RAM.
1723 Backport from 2012-03-05 mainline r184919.
1725 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1727 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1729 Backport from mainline r185259.
1732 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1733 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1735 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1737 Backported from mainline
1738 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1741 * c-parser.c (c_parser_postfix_expression)
1742 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1744 * config/i386/smmintrin.h: Avoid /* within a comment.
1745 * config/i386/nmmintrin.h: Likewise.
1747 2012-03-22 Richard Guenther <rguenther@suse.de>
1749 * BASE-VER: Set to 4.7.1.
1750 * DEV-PHASE: Set to prerelease.
1752 2012-03-22 Release Manager
1754 * GCC 4.7.0 released.
1756 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1758 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1760 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1761 Andrew Pinski <apinski@cavium.com>
1764 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1765 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1766 calls instead of __builtin_ir{int,ound}*.
1768 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1771 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1774 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1776 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1777 Refer to GCC 4.7 version of c99status.html.
1779 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1781 Backport from mainline
1782 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1784 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1785 redefine to be NULL if the current bit-size is different from the
1786 configured bit-size.
1788 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1789 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1790 set the default tuning. Add asserts to make sure the cpu and tune
1791 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1792 test whether the index is set, instead of > 0.
1793 (rs6000_file_start): Do not reset the default cpu if the current
1794 bit-size is different from the configured bit-size.
1796 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1798 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1800 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1801 Update binutils references.
1802 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1803 Update binutils reference.
1804 Update Sun as/GNU ld caveat.
1805 Document binutils largefile requirement for LTO plugin.
1806 Remove reference to alternate libpthread.
1808 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1810 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1812 (Specific, mips-sgi-irix6): Likewise.
1814 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1816 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1817 * configure: Regenerate.
1819 2012-03-07 Richard Henderson <rth@redhat.com>
1821 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1822 * config/m68k/sync.md (atomic_test_and_set): Use it.
1823 (atomic_test_and_set_1): Likewise.
1825 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1828 * Makefile.in: Let install-gcc-ar depend on installdirs,
1829 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1830 Don't double canonicalize if cross-compiling.
1832 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1834 * trans-mem.c: New typedef for tm_region_p.
1835 Define vector types for tm_region_p.
1836 (tm_region_init): Replace region_worklist to a vector called
1839 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1842 * trans-mem.c (tm_region_init): Use last_basic_block.
1844 2012-03-05 Richard Henderson <rth@redhat.com>
1847 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1848 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1849 BIGGEST_ALIGNMENT is aligned.
1851 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1853 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1855 2012-03-05 Richard Henderson <rth@redhat.com>
1858 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1859 instead of calling negqi2 directly.
1861 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1863 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1864 (INTMAX_TYPE): Use it.
1865 (UINTMAX_TYPE): Likewise.
1866 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1867 (irix6_c_common_override_options): Declare.
1868 (C_COMMON_OVERRIDE_OPTIONS): Define.
1869 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1870 * config/mips/irix6-c.c: New file.
1871 * config/mips/t-irix6 (irix6-c.o): New target.
1872 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1875 2012-03-02 Richard Henderson <rth@redhat.com>
1877 * optabs.c (expand_atomic_test_and_set): Honor
1878 atomic_test_and_set_trueval even when atomic_test_and_set
1879 optab is not in use.
1881 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1883 Backport from mainline
1884 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1886 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1888 2012-03-02 Richard Guenther <rguenther@suse.de>
1890 * DEV-PHASE: Set to prerelease.
1892 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1894 * config.gcc (obsolete): Add all ARM targets using the FPA.
1895 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1896 * doc/install.texi: Avoid references to obsolete ARM ports.
1898 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1900 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1902 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1903 Joern Rennecke <joern.rennecke@embecosm.com>
1905 * doc/extend.texi: Expand and update information on interrupt
1906 attribute for Epiphany.
1908 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1910 * config/sh/sh-protos.h: Update copyright notice dates.
1911 * config/sh/sh.h: Likewise.
1912 * config/sh/sh.md: Likewise.
1913 * config/sh/constraints.md: Likewise.
1914 * config/sh/predicates.md: Likewise.
1916 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1918 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1919 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1921 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1923 * config/sh/constraints.md: Fix comment typo.
1925 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1928 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1929 unsigned HOST_WIDE_INT.
1930 (zvdep_imm64): Likewise.
1931 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1932 (vdepi_and): Likewise.
1933 Likewise for unamed 64-bit patterns.
1934 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1936 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1939 PR rtl-optimization/52417
1940 * cselib.c (cselib_any_perm_equivs): New variable.
1941 (cselib_reset_table): Check that it's not set when not
1942 preserving constants.
1943 (cselib_add_permanent_equiv): Set it.
1944 (cselib_have_permanent_equivalences): New.
1945 (cselib_init, cselib_finish): Reset it.
1946 * cselib.h (cselib_have_permanent_equivalences): Declare.
1947 * alias.c (get_addr): Restore earlier behavior when there
1948 aren't permanent equivalences.
1950 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1952 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1953 * config/v850/v850-modes.def: Fix copyright notice.
1955 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1957 * doc/extend.texi (AVR Built-in Functions): Document
1958 __builtin_avr_flash_segment.
1960 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1961 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1962 (*split.flash_segment): New insn-and-split.
1963 * config/avr/avr.c (avr_init_builtins): Add local variables:
1964 const_memx_void_node, const_memx_ptr_type_node,
1965 char_ftype_const_memx_ptr.
1967 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1969 PR tree-optimization/52445
1970 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1971 add ssa_name_ver, offset and size fields and change store field
1973 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1974 (add_or_mark_expr): Likewise. Only consider previous stores
1975 with the same size and offset.
1976 (nt_init_block): Only look at gimple_assign_single_p stmts,
1977 doesn't look at rhs2.
1979 2012-03-01 Richard Guenther <rguenther@suse.de>
1982 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1983 conversions from integral types to pointer types.
1985 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1987 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1988 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1989 unintentionally removed in r184616.
1991 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1993 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1996 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1997 Uros Bizjak <ubizjak@gmail.com>
2000 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2001 alternatives, add "e" constraint to the new last alternative
2002 and ! to last 3 alternatives.
2004 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2006 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2007 DW_AT_artificial attributes at the end of the processing.
2008 (gen_array_type_die): Likewise.
2009 (gen_enumeration_type_die): Likewise.
2010 (gen_struct_or_union_type_die): Likewise.
2011 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2014 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2017 * expr.c (expand_assignment): If doing misaligned store that doesn't
2018 cover all mode bits, perform a RMW cycle.
2020 PR tree-optimization/52429
2021 * tree-parloops.c (separate_decls_in_region_debug): Return early
2022 if var is LABEL_DECL.
2024 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2026 PR tree-optimization/52424
2027 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2028 calling dom_thread_across_edge.
2030 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2032 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2034 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2036 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2037 * config/avr/avr.c (avr_output_bld): Remove unused function.
2038 (avr_out_sbxx_branch): Use "%T" to print bit position.
2040 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2042 * config/avr/avr.md: Untabify.
2044 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2046 * config/avr/avr.md (eqne): New code iterator.
2047 (*dec-and-branchsi): Use it in text peephole's condition.
2048 (*dec-and-branchhi): Ditto.
2049 (*dec-and-branchqi): Ditto.
2051 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2054 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2055 the device does not have the skip-bug.
2057 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2059 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2060 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2061 -mpretend-cmove): New.
2063 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2066 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2067 doesn't count DEBUG_INSN refs.
2068 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2069 for DEBUG_INSN refs.
2071 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2075 2012-02-20 Richard Guenther <rguenther@suse.de>
2076 PR tree-optimization/52298
2077 * tree-vect-stmts.c (vectorizable_load): Properly use
2078 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2081 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2084 * gimple.h (gimple_in_transaction): New.
2085 (gimple_set_in_transaction): New.
2086 (struct gimple_statement_base): Add in_transaction field.
2087 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2089 (tree_ssa_lim_initialize): Compute transaction bits.
2090 * tree.h (compute_transaction_bits): Protoize.
2091 * trans-mem.c (tm_region_init): Use the heap to store BB
2093 (compute_transaction_bits): New.
2095 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2097 * gcc.c (display_help): Document --help=common and sort entries
2100 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2102 * doc/install.texi: Document check-$LANG specific shortcuts
2104 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2107 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2109 * config/arm/arm_neon.h: Regenerate.
2110 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2111 (neon_vcgeu): New insn.
2112 (neon_vcgtu): Likewise.
2113 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2114 (ops): Unsigned comparison intrinsics call a different
2117 2012-02-28 Richard Guenther <rguenther@suse.de>
2120 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2121 ordering for the VEC_CONCAT for two element vectors for
2122 V2SFmode, V2SImode and V2DImode.
2124 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2127 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2128 detecting big-endian triplets.
2130 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2132 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2133 mode if there is no type information available.
2135 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2137 PR tree-optimization/53207
2138 * doc/invoke.texi: Document as experimental and relying on graphite.
2140 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2142 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2143 of initializer to changes from r184614.
2145 2012-02-28 Richard Guenther <rguenther@suse.de>
2147 PR tree-optimization/52395
2148 * tree-sra.c (build_ref_for_offset): Also look at the base
2149 TYPE_ALIGN when figuring out the alignment of the replacement.
2151 2012-02-28 Richard Guenther <rguenther@suse.de>
2153 PR tree-optimization/52402
2154 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2155 mis-aligned types when creating the accesses at the call site.
2157 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2159 * config/avr/builtins.def: New file.
2160 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2161 * config/avr/avr.c (enum avr_builtin_id): Use it.
2162 (avr_init_builtins): Use it. And use avr_bdesc.
2163 (bdesc_1arg): Remove.
2164 (bdesc_2arg): Remove.
2165 (bdesc_3arg): Remove.
2166 (struct avr_builtin_description): Add field n_args.
2167 (avr_bdesc): New static variable using builtins.def.
2168 (avr_expand_builtin): Use it.
2169 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2170 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2171 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2173 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2176 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2177 match only one single hard register with respective hard reg rtx.
2178 (movmemx_<mode>): Ditto.
2179 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2180 insn anatomy of movmem[x]_<mode>.
2181 (avr_out_movmem): Same for printing assembler and operand usage.
2183 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2187 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2188 address spaces located outside of device flash.
2190 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2191 (mcu_type_s): Add field n_flash.
2192 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2193 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2194 (AVR_MCU): Add N_FLASH argument.
2195 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2196 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2197 macro __FLASH<n> if that address space makes sense for the device.
2198 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2199 outside of target flash.
2200 (avr_asm_named_section): Ditto.
2201 (avr_asm_select_section): Ditto.
2202 (avr_addr_space_convert): Ditto.
2203 (avr_emit_movmemhi): Ditto.
2204 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2205 address space is outside of device flash.
2206 (avr_insert_attributes): Ditto.
2207 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2208 avr_current_arch->n_segments.
2210 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2213 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2215 (*movabs<mode>_2): Likewise.
2217 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2220 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2221 s_register_operand in the test instead of REG_P. Don't call
2222 gen_reg_rtx if it won't be used.
2224 PR tree-optimization/52376
2225 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2227 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2229 * ifcvt.c (noce_get_condition): Check condition variable is not
2230 small_register_classes_for_mode_p before accepting.
2232 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2234 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2236 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2239 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2240 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2242 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2244 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2246 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2248 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2250 * config/sh/predicates.md: Remove blank lines.
2251 * config/sh/sh.c: Fix typos in comments.
2252 * config/sh/constraints.md: Likewise.
2253 * config/sh/sh.md: Remove blank lines.
2254 Fix typos in comments. Use ;; as comment characters.
2256 2012-02-26 Walter Lee <walt@tilera.com>
2258 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2259 (replace_mov_pcrel_step2): Ditto.
2261 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2264 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2265 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2266 and locs that reference values newer than the non-canonical value
2267 at hand. Return the canonical value as a worst case.
2268 (memrefs_conflict_p): Walk canonical value's locs.
2271 * cselib.c (preserve_only_constants): Rename to...
2272 (preserve_constants_and_equivs): ... this. Split out...
2273 (invariant_or_equiv_p): ... this. Preserve plus expressions
2274 of other preserved expressions too.
2275 (cselib_reset_table): Adjust.
2276 * var-tracking.c (reverse_op): Use canonical value to build
2279 2012-02-23 Kai Tietz <ktietz@redhat.com>
2281 * config/i386/i386.c (ix86_delegitimize_address): Handle
2282 UNSPEC_PCREL plus displacement.
2284 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2287 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2288 to test for unusedness in st X addressing.
2290 2012-02-24 Richard Guenther <rguenther@suse.de>
2293 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2294 (is_gimple_reg_type): Move inline ...
2295 * gimple.h (is_gimple_reg_type): ... here.
2297 2012-02-24 Richard Guenther <rguenther@suse.de>
2300 * passes.c (execute_function_todo): When verifying SSA form
2301 verify gimple form first.
2302 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2304 2012-02-24 Richard Guenther <rguenther@suse.de>
2307 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2308 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2310 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2312 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2314 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2316 * tree-phinodes.c (make_phi_node): Mark static.
2317 * tree-flow.h (make_phi_node): Remove extern decl.
2318 * doc/gimple.texi (make_phi_node): Remove documentation.
2320 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2322 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2323 * tree-ssa-sccvn.c (print_scc): Ditto.
2325 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2327 * doc/passes.texi (Full redundancy elimination): Fix typo.
2329 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2331 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2333 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2336 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2338 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2341 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2343 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2345 * config/avr/avr.md (code_stdname): Add ior, xor.
2346 (xior): New code iterator.
2347 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2348 (*<code_stdname><mode>qi.byte1-3): Ditto.
2350 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2352 PR tree-optimization/52019
2353 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2356 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2358 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2359 HAVE_INITFINI_ARRAY to work around namespace pollution in
2360 certain versions of newlib system headers.
2361 * config.in: Regenerate.
2362 * configure: Regenerate.
2363 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2364 instead of HAVE_INITFINI_ARRAY.
2366 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2369 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2370 is not offsettable memory reference.
2372 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2375 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2376 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2378 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2380 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2381 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2383 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2385 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2386 library on Solaris 8 even without TLS support.
2387 * configure: Regenerate.
2389 2012-02-22 Richard Guenther <rguenther@suse.de>
2392 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2393 for GIMPLE_DEBUG stmts.
2395 2012-02-22 Martin Jambor <mjambor@suse.cz>
2398 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2399 according to the base object.
2401 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2403 PR rtl-optimization/50063
2404 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2405 and 2 (8-bit SP) in operand 2.
2406 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2407 setup to use movhi_sp_r instead of vanilla move to write SP.
2408 Adjust REG_CFA notes to superseed unspec.
2409 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2411 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2412 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2413 irq_state 1 (IRQ known to be on) here.
2415 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2417 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2419 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2420 assign_hard_reg): Likewise.
2422 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2424 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2426 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2429 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2430 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2432 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2434 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2435 prototype from here to...
2436 * config/avr/avr.h: ...here.
2438 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2441 * thumb2.md (thumb2_shiftsi3_short): Split register and
2442 immediate shifts. For register shifts tie operands 0 and 1.
2443 (peephole2 for above): Check that register-controlled shifts
2444 have suitably tied operands.
2446 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2449 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2450 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2451 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2452 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2453 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2454 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2455 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2456 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2457 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2458 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2459 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2460 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2461 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2462 bdver1_ssevector_avx256_unaligned_load,
2463 bdver1_ssevector_sse128_unaligned_load,
2464 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2465 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2466 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2467 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2468 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2469 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2470 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2471 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2472 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2473 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2474 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2475 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2476 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2477 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2478 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2479 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2480 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2481 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2482 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2483 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2484 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2485 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2486 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2487 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2488 bdver1_ssediv_double_load, bdver1_ssediv_double,
2489 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2490 Add "bdver2" attribute.
2492 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2494 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2495 default if possible and not specified otherwise.
2497 2012-02-21 Richard Guenther <rguenther@suse.de>
2500 * gimplify.c (create_tmp_from_val): Use the main variant type
2501 for the type of the temporary we create.
2503 2012-02-21 Richard Guenther <rguenther@suse.de>
2505 PR tree-optimization/52324
2506 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2507 do not gimplify a MEM_REF address operand if it is already
2510 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2512 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2513 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2515 2012-02-21 Richard Guenther <rguenther@suse.de>
2517 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2518 nested_in_vect_loop.
2520 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2522 PR tree-optimization/52318
2523 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2524 vdef also to non-pure/const call stmts in the sequence.
2526 2012-02-20 David S. Miller <davem@davemloft.net>
2528 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2529 don't use the "rd %pc" instruction on v9 for PIC register loads.
2531 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2534 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2535 in a transaction safe function.
2537 2012-02-20 Kai Tietz <ktietz@redhat.com>
2540 * stor-layout.c (place_field): Handle desired_align for
2543 2012-02-20 Richard Guenther <rguenther@suse.de>
2545 PR tree-optimization/52298
2546 * tree-vect-stmts.c (vectorizable_store): Properly use
2547 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2549 (vectorizable_load): Likewise.
2550 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2551 Access DR_STEP after ensuring it is not NULL.
2553 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2555 PR tree-optimization/52286
2556 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2557 optimization use double_int_to_tree instead of build_int_cst_wide,
2558 rewrite to use double_int vars.
2560 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2563 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2565 Remove -e 0 from $gcc_cv_ld invocation.
2566 Only use __GLIBC_PREREQ if defined.
2567 Enable on Solaris since Solaris 8 patch.
2568 (gcc_SUN_LD_VERSION): New macro.
2569 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2570 gcc_SUN_LD_VERSION for version number format.
2571 * configure: Regenerate.
2572 * varasm.c (get_elf_initfini_array_priority_section): Set
2573 SECTION_NOTYPE for non-default priority.
2574 Use get_section instead of get_unnamed_section to emit
2575 .init_array/.fini_array with default priority.
2577 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2579 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2580 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2581 (mips_start_unique_function, mips_output_mips16_rdhwr)
2582 (mips_code_end): New functions.
2583 (TARGET_ASM_CODE_END): Define.
2585 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2587 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2588 to stubs with non-sibling calls.
2590 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2592 * doc/invoke.texi (-fira-* options): Copy-edit.
2593 (ira-* parameters): Copy-edit.
2595 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2597 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2598 GCC coding conventions.
2600 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2602 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2603 when used as adjectives.
2605 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2607 * doc/invoke.texi: Clean up "that"/"which" confusion.
2609 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2611 * system.h: Poison SMALL_REGISTER_CLASSES
2612 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2613 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2615 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2617 PR tree-optimization/52285
2618 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2619 when deciding if a call is a tail call or tail recursion.
2621 2012-02-16 Kai Tietz <ktietz@redhat.com>
2623 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2624 interger-constant displacement for UNSPEC_PCREL.
2626 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2628 PR rtl-optimization/52208
2629 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2630 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2632 PR tree-optimization/52255
2633 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2634 loop->header has virtual PHI, but exit_e->dest doesn't, add
2635 virtual PHI to exit_e->dest and adjust all uses after the loop.
2638 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2639 children with clone_tree_hash, not after it.
2641 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2643 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2644 extended identifiers.
2646 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2649 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2650 a same_body_alias, also test whether e->callee isn't a former
2651 or current clone of the decl this is a same body alias of.
2653 PR translation/52264
2654 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2656 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2658 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2660 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2663 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2664 force_reg instead of copy_to_reg for better optimization. Force
2665 non-register or memory operands into a register.
2667 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2669 * extend.texi: Reserve upper bits of memory model for future use.
2671 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2672 Anatoly Sokolov <aesok@post.ru>
2673 Eric Weddington <eric.weddington@atmel.com>
2676 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2677 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2678 Rewrite initializers for .macro.
2679 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2680 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2681 atxmega32d4, atxmega32x1.
2682 avrxmega4: atxmega64a3, atxmega64d3.
2683 avrxmega5: atxmega64a1, atxmega64a1u.
2684 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2685 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2686 avrxmega7: atxmega128a1, atxmega128a1u.
2687 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2688 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2689 (struct base_arch_s): Rename reserved to xmega_p.
2690 Rename reserved2 to have_rampd.
2691 (AVR_XMEGA): New define.
2692 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2693 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2694 * config/avr/predicates.md (io_address_operand): Take into
2696 (low_io_address_operand): Ditto.
2697 (high_io_address_operand): Ditto.
2698 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2699 (enabled, movhi_sp_r): Use them.
2700 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2701 cpp_define_formatted to built-in define __AVR_ARCH__.
2702 (__AVR_XMEGA__): New built-in define.
2703 (__AVR_HAVE_RAMPD__): New built-in define.
2704 (__AVR_HAVE_RAMPX__): New built-in define.
2705 (__AVR_HAVE_RAMPY__): New built-in define.
2706 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2708 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2709 (avr_option_override): Initialize them.
2710 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2711 (avr_init_expanders): Initialize them. No more block several calls.
2712 (emit_push_sfr): New static function.
2713 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2715 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2716 (avr_print_operand): Print addreeses as symbols for
2717 RAMPX, RAMPY, RAMPD, CCP.
2718 (output_movhi): Handle AVR_XMEGA when writing to SP.
2719 (avr_out_movhi_mr_r_xmega): New static function.
2720 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2721 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2722 __RAMPD__, __CCP__ as needed.
2724 * config/avr/multilib.h: Regenerate.
2725 * config/avr/t-multilib: Regenerate.
2726 * config/avr/avr-tables.opt: Regenerate.
2728 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2730 PR tree-optimization/50561
2731 * graphite-flattening.c (lst_project_loop): Do not
2732 remove old scattering dimensions after flattening.
2733 (lst_do_flatten): Likewise.
2735 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2737 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2738 __builtin_avr_map8, __builtin_avr_map16.
2739 Document __builtin_avr_insert_bits.
2741 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2742 (insert_bits): New insn.
2743 (adjust_len.map_bits): Rename to insert_bits.
2744 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2745 * avr-protos.h (avr_out_map_bits): Remove.
2746 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2747 * config/avr/constraints.md (Cxf,C0f): New.
2748 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2749 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2750 New built-in define __BUILTIN_AVR_INSERT_BITS.
2751 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2752 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2753 (avr_move_bits): Rewrite.
2754 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2756 (avr_map_op_t): New typedef.
2757 (avr_map_op): New static variable.
2758 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2759 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2760 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2761 (bdesc_3arg, avr_expand_triop_builtin): New.
2762 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2763 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2764 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2765 (avr_map_equal_p, avr_map_sig_p): Remove.
2766 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2767 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2768 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2769 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2770 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2771 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2773 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2775 * config/c6x/c6x.md (reserve_cycles): New attribute.
2776 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2777 don't reserve functional units after the branch occurs.
2779 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2782 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2783 functions into non-tm_pure functions.
2785 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2788 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2789 (iterative_hash_canonical_type): Likewise.
2790 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2793 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2795 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2796 sched-group insn, it either remains alone or the entire list is pruned.
2798 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2800 * doc/install.texi (Prerequisites): Fix grammar.
2801 (Configuration): Likewise.
2803 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2805 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2806 MPC as part of GCC before describing configuring with --with-gmp etc.
2807 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2808 sources are present.
2810 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2813 * dwarf2out.c (clone_tree_hash): New function.
2814 (copy_decls_walk): Use it instead of clone_tree.
2816 2012-02-14 Richard Guenther <rguenther@suse.de>
2818 PR tree-optimization/52244
2819 PR tree-optimization/51528
2820 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2821 replacements for integral types.
2823 2012-02-14 Walter Lee <walt@tilera.com>
2825 * config.gcc: Handle tilegx and tilepro.
2826 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2828 Add HAVE_AS_TLS check for tilegx and tilepro.
2829 * configure: Regenerate.
2830 * doc/contrib.texi: Add Mat Hostetter and self.
2831 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2832 Document instruction intrinsics and network accessing intrinsics.
2833 (TILEPro Built-in Functions): New node. Document instruction
2834 intrinsics and network accessing intrinsics.
2835 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2836 (Specific, tilepro-*-linux*): Likewise.
2837 * doc/invoke.texi (TILE-Gx Options): New section.
2838 (TILEPro Options): New section.
2839 * doc/md.texi (TILE-Gx): New section.
2840 (TILEPro): New section.
2841 * common/config/tilegx/tilegx-common.c: New file.
2842 * common/config/tilepro/tilepro-common.c: New file.
2843 * config/tilegx/constraints.md: New file.
2844 * config/tilegx/linux.h: New file.
2845 * config/tilegx/mul-tables.c: New file.
2846 * config/tilegx/predicates.md: New file.
2847 * config/tilegx/sync.md: New file.
2848 * config/tilegx/t-tilegx: New file.
2849 * config/tilegx/tilegx-builtins.h: New file.
2850 * config/tilegx/tilegx-c.c: New file.
2851 * config/tilegx/tilegx-generic.md: New file.
2852 * config/tilegx/tilegx-modes.def: New file.
2853 * config/tilegx/tilegx-multiply.h: New file.
2854 * config/tilegx/tilegx-protos.h: New file.
2855 * config/tilegx/tilegx.c: New file.
2856 * config/tilegx/tilegx.h: New file.
2857 * config/tilegx/tilegx.md: New file.
2858 * config/tilegx/tilegx.opt: New file.
2859 * config/tilepro/constraints.md: New file.
2860 * config/tilepro/gen-mul-tables.cc: New file.
2861 * config/tilepro/linux.h: New file.
2862 * config/tilepro/mul-tables.c: New file.
2863 * config/tilepro/predicates.md: New file.
2864 * config/tilepro/t-tilepro: New file.
2865 * config/tilepro/tilepro-builtins.h: New file.
2866 * config/tilepro/tilepro-c.c: New file.
2867 * config/tilepro/tilepro-generic.md: New file.
2868 * config/tilepro/tilepro-modes.def: New file.
2869 * config/tilepro/tilepro-multiply.h: New file.
2870 * config/tilepro/tilepro-protos.h: New file.
2871 * config/tilepro/tilepro.c: New file.
2872 * config/tilepro/tilepro.h: New file.
2873 * config/tilepro/tilepro.md: New file.
2874 * config/tilepro/tilepro.opt: New file.
2876 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2878 PR tree-optimization/52210
2879 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2880 vect_model_simple_cost with two entry vect_def_type array instead
2881 of an address of dt.
2883 2012-02-14 Richard Guenther <rguenther@suse.de>
2886 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2887 Do not stream DECL_QUALIFIER.
2888 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2889 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2890 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2892 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2895 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2898 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2901 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2902 * cselib.c (cselib_subst_to_values_from_insn): New function.
2903 * sched-deps.c (add_insn_mem_dependence,
2904 sched_analyze_1, sched_analyze_2): Use it.
2906 2012-02-13 Jan Hubicka <jh@suse.cz>
2909 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2911 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2913 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2914 (GTM_SELF_SPECS): Define if not already defined.
2915 (driver_self_specs): Add GTM_SELF_SPECS.
2916 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2917 (GTM_SELF_SPECS): Define.
2918 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2919 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2921 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2923 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2926 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2929 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2930 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2932 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2935 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2937 2012-02-13 Richard Guenther <rguenther@suse.de>
2939 PR translation/52211
2940 * passes.c (enable_disable_pass): Fix typo.
2942 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2945 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2946 XOR for reduce_bit_field if type is unsigned.
2948 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2950 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2951 disallow changes from SFmode to mode with different size in FP regs.
2953 2012-02-12 Robert Millan <rmh@gnu.org>
2954 Gerald Pfeifer <gerald@pfeifer.com>
2956 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2959 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2961 PR rtl-optimization/52175
2962 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2963 to frame-related instructions.
2965 2012-02-10 Jason Merrill <jason@redhat.com>
2968 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2969 (demangle_new_symbols): Fill it.
2970 (scan_linker_output): Walk it.
2971 (start_tweaking): Split out from scan_linker_output.
2972 (maybe_tweak): Update sym->chosen.
2973 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2975 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2978 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2980 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2982 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2983 having the same mode as previous compare.
2985 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2987 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2988 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2989 (nonlocal_goto_internal): Likewise.
2990 (nonlocal_goto): Emit a use and an indirect jump directly.
2992 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2995 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2996 __atomic_{is,always}_lock_free.
2998 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3001 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3002 negative constant address for x32.
3004 2012-02-10 Richard Henderson <rth@redhat.com>
3006 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3007 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3008 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3010 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3011 Ira Rosen <irar@il.ibm.com>
3013 PR tree-optimization/50031
3014 * targhooks.c (default_builtin_vectorization_cost): Handle
3016 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3017 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3018 all types of reduction and pattern statements.
3019 (vect_estimate_min_profitable_iters): Likewise.
3020 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3021 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3022 for explicit realigns.
3023 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3024 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3026 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3027 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3028 vec_perm for VSX and handle vec_promote_demote.
3030 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3033 * builtins.c (fold_builtin_atomic_always_lock_free,
3034 expand_builtin_atomic_always_lock_free,
3035 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3036 Return and/or test boolean_true_node/boolean_false_node instead of
3037 integer_one_node/integer_zero_node.
3039 2012-02-10 Jan Hubicka <jh@suse.cz>
3042 * predict.c (predict_paths_for_bb): Prevent looping.
3043 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3045 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3047 * config/arm/arm.c (output_move_double): In one case properly
3048 count number of instructions that will be emitted.
3050 2012-02-10 Richard Guenther <rguenther@suse.de>
3052 PR translation/52193
3053 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3055 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3058 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3060 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3063 * var-tracking.c (emit_note_insn_var_location): If
3064 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3065 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3066 non-NOTE_DURING_CALL_P insn.
3068 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3071 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3073 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3076 * gcc.c (switch_matches) Support switches with separated form,
3079 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3081 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3083 (RAMPZ_ADDR): Ditto.
3084 * config/avr/avr.c (avr_addr_t): New typedef.
3085 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3086 (avr_init_expanders): Initialize it.
3087 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3089 (expand_epilogue): Ditto.
3090 (avr_print_operand): Ditto.
3091 (avr_file_start): Ditto.
3092 (avr_emit_movmemhi): Ditto.
3094 2012-02-08 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/46886
3097 * tree-flow.h (do_while_loop_p): Declare.
3098 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3099 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3101 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3103 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3104 always succeed for integers larger than a native word.
3106 2012-02-08 Richard Guenther <rguenther@suse.de>
3108 PR rtl-optimization/52170
3109 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3110 properly handle integer vector modes.
3112 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3114 PR gcov-profile/52150
3115 * coverage.c: Include target.h.
3116 (build_var): Call targetm.strip_name_encoding on the assembler name.
3117 Change one _ into . or $ if the target allows it.
3118 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3120 PR rtl-optimization/52139
3121 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3122 is a BARRIER after emit_insn_after_noloc, move BB_END
3123 to the last non-BARRIER insn before it.
3125 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3128 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3129 (mips_gimplify_va_arg_expr): Call it instead of
3130 std_gimplify_va_arg_expr.
3132 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3134 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3135 message for -mno-pointers-to-nested-function.
3137 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3140 * expr.c (get_inner_reference): If there is an offset, add a negative
3141 bit position to it (if any).
3143 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3145 PR rtl-optimization/52060
3146 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3147 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3148 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3149 and/or i0src_copy2 when needed.
3151 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3153 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3154 or LTOPLUGINSONAME if have_c.
3156 * config/freebsd-spec.h: Add comment about what macros can be defined
3158 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3159 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3162 2012-02-07 Richard Guenther <rguenther@suse.de>
3164 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3165 newline in -alias dumps.
3167 2012-02-07 Kai Tietz <ktietz@redhat.com>
3168 Dave Korn <dave.korn.cygwin@gmail.com>
3171 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3172 Take care that typinfo gets dllexport-attribute.
3174 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3177 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3178 if modifier < EXPAND_SUM call force_operand on the result.
3180 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3182 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3183 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3185 (epiphany_function_type): Replace types for specific interrupts with
3186 EPIPHANY_FUNCTION_INTERRUPT.
3187 (EPIPHANY_INTERRUPT_P): Update.
3188 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3189 New static function.
3190 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3191 <disinterrupt>: Affects type identity.
3192 (epiphany_handle_interrupt_attribute): Handle variable number of
3194 (epiphany_compute_function_type): Update for new
3195 epiphany_function_type definition.
3196 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3197 handlers with a longcall forwarder.
3198 (epiphany_start_function): Handle multiple interrupt arguments and/or
3199 forwarder_section attribute.
3201 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3204 2012-02-07 Alan Modra <amodra@gmail.com>
3207 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3210 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3212 PR tree-optimization/50969
3213 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3214 use vec_perm rather than vector_stmt.
3215 (vect_model_load_cost): Likewise.
3216 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3217 vec_perm to be the same as other vector statements.
3218 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3219 cost of vec_perm for TARGET_VSX.
3221 2012-02-06 Richard Guenther <rguenther@suse.de>
3223 PR tree-optimization/52115
3224 * tree-sra.c (access_has_replacements_p): New function.
3225 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3227 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3230 * trans-mem.c (expand_call_tm): Add an assertion.
3231 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3234 2012-02-06 Richard Guenther <rguenther@suse.de>
3236 PR tree-optimization/50955
3237 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3238 raise cost of expressions that replace an address with an
3239 expression based on a different pointer.
3241 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3244 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3245 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3247 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3250 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3251 -Weffc++ and specify guidelines come from second edition.
3253 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3255 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3256 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3257 (call_direct_split, call_value_split, call_value_internal_direct)
3258 (call_value_direct_split, call_value_multiple_split): Use jal and
3259 jal_macro attributes.
3261 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3263 * reload1.c (reload_regs_reach_end_p): Replace with...
3264 (reload_reg_rtx_reaches_end_p): ...this function.
3265 (new_spill_reg_store): Update commentary.
3266 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3267 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3268 before setting new_spill_reg_store.
3269 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3270 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3271 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3272 for non-spill reload registers.
3274 2012-02-05 Ira Rosen <irar@il.ibm.com>
3276 PR tree-optimization/52091
3277 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3278 (vect_is_simple_use_1): Likewise.
3279 * tree-vect-loop.c (vectorizable_reduction): Update calls
3280 to vect_is_simple_use_1 and vect_is_simple_use.
3281 (vectorizable_live_operation): Likewise.
3282 * tree-vect-patterns.c (widened_name_p,
3283 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3284 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3285 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3286 vectorizable_shift,vectorizable_operation, vectorizable_store,
3287 vectorizable_load): Likewise.
3288 (vect_is_simple_cond): Add an argument, pass it to
3289 vect_is_simple_use_1.
3290 (vectorizable_condition): Update calls to vect_is_simple_cond,
3292 (vect_is_simple_use): Add an argument, the statement in which
3293 OPERAND is used. Check that if OPERAND's def stmt is a double
3294 reduction phi node, the use is a phi node too.
3295 (vect_is_simple_use_1): Add an argument, pass it to
3297 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3298 to vect_is_simple_use.
3300 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3302 PR rtl-optimization/52095
3303 * modulo-sched.c (dump_insn_locator): New function.
3304 (loop_canon_p, sms_schedule): Use it.
3306 PR rtl-optimization/52113
3307 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3308 even for decomposable shift/zext insns.
3310 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3311 Zdenek Dvorak <ook@ucw.cz>
3313 PR rtl-optimization/52092
3314 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3315 on get_iv_value result.
3317 2012-02-02 Andrew Pinski <apinski@cavium.com>
3321 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3323 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3326 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3328 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3330 PR rtl-optimization/49800
3331 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3332 (sched_finish): Call regstat_free_n_sets_and_refs.
3334 2012-02-02 Jia Liu <proljc@gmail.com>
3336 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3339 2012-02-02 Jan Hubicka <jh@suse.cz>
3340 Tom de Vries <tom@codesourcery.com>
3343 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3344 * varpool.c (varpool_analyze_pending_decls): Likewise.
3346 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3347 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3349 * config.gcc: Add cr16-* support.
3351 * doc/extend.texi: Document cr16 extensions.
3352 * doc/install.texi: Document cr16 install.
3353 * doc/invoke.texi: Document cr16 options.
3354 * doc/md.texi: Document cr16 constraints.
3356 * common/config/cr16/cr16-common.c: New file.
3357 * config/cr16/cr16.c: New file.
3358 * config/cr16/cr16.h: New file.
3359 * config/cr16/cr16.md: New file.
3360 * config/cr16/cr16.opt: New file.
3361 * config/cr16/cr16-protos.h: New file.
3362 * config/cr16/predicates.md: New file.
3363 * config/cr16/constraints.md: New file.
3364 * config/cr16/t-cr16: New file.
3366 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3369 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3370 that operands[2] is either immediate, or q_regs_operand.
3372 PR tree-optimization/52073
3373 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3374 a pattern stmt for pattern uses, ignore uses outside of the loop.
3376 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3378 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3379 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3380 (OUT_AS1, OUT_AS2): Remove.
3382 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3384 PR rtl-optimization/51374
3385 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3386 to cross other volatile_refs_p insns.
3388 2012-02-01 Richard Guenther <rguenther@suse.de>
3390 * doc/invoke.texi (fno-inline): Clarify documentation.
3391 (finline-small-functions): Likewise.
3392 (finline-functions): Likewise.
3393 * common.opt (finline): Adjust comment and documentation.
3394 (finline-small-functions): Clarify documentation.
3395 (finline-functions): Likewise.
3396 (finline-functions-called-once): Likewise.
3398 2012-02-01 Tristan Gingold <gingold@adacore.com>
3400 * c-typeck.c (composite_type): Keep mode for pointers.
3402 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3404 * function.h (regno_reg_rtx): Adjust comment.
3405 * reginfo.c (init_reg_modes_target): Only use the previous mode
3406 if it fits within one register. Remove MIPS comment.
3408 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3411 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3413 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3415 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3416 to srak instruction.
3418 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3420 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3422 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3427 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3429 2012-01-31 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/51528
3432 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3435 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3440 * ree.c (add_removable_extension): Change def_map argument
3441 to unsigned *, store in def_map 1 + offset into *insn_list vector
3442 instead of pointers into the vector.
3443 (find_removable_extensions): Adjust caller.
3445 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3447 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3448 Transform all "* quoted-c-code" to { c-code }.
3449 Remove redundant test for "optimize" in combine patterns.
3450 Move (include "avr-dimode.md") to end of file.
3452 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3455 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3456 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3458 2012-01-30 Richard Guenther <rguenther@suse.de>
3460 PR tree-optimization/52028
3461 * tree-loop-distribution.c (ldist_gen): Properly update
3464 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3467 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3468 set_cur_line_info_table if not emitting debug info.
3470 PR tree-optimization/52046
3471 * tree-vect-patterns.c (check_bool_pattern): Give up if
3472 a comparison could throw.
3475 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3477 2012-01-30 Richard Guenther <rguenther@suse.de>
3479 PR tree-optimization/52045
3480 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3481 SSA form if cfgcleanup did anything.
3483 2012-01-30 Richard Guenther <rguenther@suse.de>
3485 PR tree-optimization/52045
3486 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3487 before computing final todo.
3489 2012-01-30 Richard Guenther <rguenther@suse.de>
3491 PR tree-optimization/51528
3492 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3495 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3497 * df-problems.c (df_kill_notes): Check that the use refers
3498 to the note under examination.
3500 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3503 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3504 parameter and use short-lived pseudos.
3505 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3506 (sparc_expand_vector_init): Const-ify local variables and adjust
3507 calls to above functions.
3509 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3511 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3513 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3515 * doc/invoke.texi: Make usage of "compile time" and
3516 "run time"/"runtime" consistent throughout the file.
3518 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3520 * config/alpha/alpha.c (alpha_option_override): Default to
3521 full IEEE compliance mode for Go language.
3523 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3525 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3526 (LINK_SSP_SPEC): Define.
3528 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3531 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3534 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3536 * doc/invoke.texi: Correct hyphenation of "floating point",
3537 "double precision", and related terminology throughout the file.
3539 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3542 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3543 arm_general_register_operand predicate for operand 2 instead of
3546 2012-01-27 Ian Lance Taylor <iant@google.com>
3549 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3550 * builtins.c (expand_builtin_init_trampoline): Add onstack
3551 parameter. Change caller.
3552 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3553 * tree.c (build_common_builtin_nodes): Declare
3554 __builtin_init_heap_trampoline.
3556 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3558 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3559 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3560 * config/avr/avr.c: Ditto.
3561 (avr_regnames): Remove because unused.
3562 * config/avr/avr.md (*cpse.ne): New peephole.
3563 (*cpse.eq): New peephole from former cpse peepholes.
3565 2012-01-27 Michael Eager <eager@eagercon.com>
3567 * config/microblaze.c (microblaze_emit_compare): Correct
3568 test after pcmp instruction.
3570 2012-01-27 Richard Guenther <rguenther@suse.de>
3572 PR tree-optimization/52020
3573 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3575 2012-01-27 Richard Guenther <rguenther@suse.de>
3577 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3578 function non-const/pure.
3580 2012-01-27 Richard Guenther <rguenther@suse.de>
3582 PR tree-optimization/50444
3583 * tree-sra.c (build_ref_for_offset): Properly adjust the
3584 MEM_REF type for unaligned accesses.
3586 2012-01-27 Richard Guenther <rguenther@suse.de>
3588 PR tree-optimization/50444
3589 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3590 (expand_assignment): Use it. Properly handle misaligned
3591 bases when expanding stores to component references.
3592 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3595 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3598 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3599 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3600 * tree-data-ref.c (find_data_references_in_loop): Make static.
3601 (compute_all_dependences): Change return type to bool. Bail out
3602 for too many datarefs in a loop. Move the hunk resetting the data
3603 dependences vector from ...
3604 (compute_data_dependences_for_loop): ... here. Account for
3605 compute_all_dependences returning false.
3606 (compute_data_dependences_for_bb): Likewise.
3607 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3608 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3610 2012-01-27 Richard Guenther <rguenther@suse.de>
3613 * expr.c (store_field): Use the alias-set of the scratch memory
3616 2012-01-27 Tom de Vries <tom@codesourcery.com>
3618 PR tree-optimization/51990
3619 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3621 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3623 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3626 * var-tracking.c (reverse_op): Don't add any reverse operation
3627 if V already has any constant locations.
3629 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3631 * doc/invoke.texi: Correct usage of "command line" (noun)
3632 vs "command-line" (adjective) throughout.
3634 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3636 * doc/invoke.texi (Language Independent Options): Move
3637 -Wcoverage-mismatch blurb from here....
3638 (Warning Options): ...to here.
3640 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3642 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3643 Set rs6000_always_hint to false for 476.
3645 2012-01-27 Matthias Klose <doko@ubuntu.com>
3647 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3649 * incpath.c (add_standard_paths): Likewise.
3651 2012-01-27 Richard Henderson <rth@redhat.com>
3653 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3654 * config/m68k/sync.md (atomic_test_and_set): Rename from
3655 sync_test_and_setqi and adjust the operands.
3656 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3657 and unconditionally enable.
3659 2012-01-27 Richard Henderson <rth@redhat.com>
3661 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3662 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3663 (ldstub): Rename from ldstubqi.
3664 (ldstub<I24MODE>): Remove.
3666 2012-01-27 Richard Henderson <rth@redhat.com>
3668 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3669 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3670 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3671 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3672 * doc/tm.texi: Rebuild.
3674 2012-01-27 Richard Henderson <rth@redhat.com>
3676 * optabs.c (gen_atomic_test_and_set): Remove default.
3677 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3679 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3681 PR rtl-optimization/51978
3682 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3683 (combine_reaching_defs): Likewise.
3684 (struct re_info): Remove.
3685 (add_removable_extension): Remove x and data arguments,
3686 add insn, insn_list and def_map. Use the arguments directly
3687 instead of using struct re_info.
3688 (find_removable_extensions): Don't call add_removable_extension
3689 through note_stores, instead just call it with single_set
3691 (find_and_remove_re): Pass curr_cand->expr instead of
3692 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3694 2012-01-26 Michael Matz <matz@suse.de>
3696 PR tree-optimization/46590
3697 * cfgexpand.c: Revert last change (r183305).
3698 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3700 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3701 checking for emptiness.
3703 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3706 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3707 non-addressable non-BLKmode base correctly.
3709 2012-01-26 Michael Matz <matz@suse.de>
3711 PR tree-optimization/48794
3712 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3713 regions referenced from RESX/EH_DISPATCH.
3715 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3717 * config/s390/s390.h: Make BRANCH_COST an option.
3718 * config/s390/s390.opt: New option -mbranch-cost.
3720 2012-01-26 Richard Henderson <rth@redhat.com>
3722 Revert 2012-01-24 change:
3723 * trans-mem.c (requires_barrier): Do not instrument thread local
3724 variables and emit save/restore for them.
3726 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3729 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3732 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3734 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3737 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3740 Rename __pgm to __flash.
3741 Rename __pgm1 to __flash1.
3742 Rename __pgm2 to __flash2.
3743 Rename __pgm3 to __flash3.
3744 Rename __pgm4 to __flash4.
3745 Rename __pgm5 to __flash5.
3746 Rename __pgmx to __memx.
3747 * doc/extend.texi (AVR Named Address Spaces)
3748 Rename address space names as indicated above.
3749 * config/avr/avr.c (avr_addrspace): Ditto.
3751 * config/avr/avr-protos.h
3752 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3753 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3754 * config/avr/predicates.md: Ditto.
3755 * config/avr/avr.c Ditto, and
3756 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3757 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3759 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3760 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3761 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3762 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3763 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3764 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3765 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3766 * config/avr/avr.c: Ditto.
3767 * config/avr/avr.md: Ditto.
3769 2012-01-25 Jason Merrill <jason@redhat.com>
3772 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3774 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3776 PR tree-optimization/51987
3777 * tree-data-ref.c (get_references_in_stmt): Handle references in
3778 non-volatile GIMPLE_ASM.
3780 2012-01-25 Richard Guenther <rguenther@suse.de>
3782 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3783 bases are dereferenced.
3785 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3787 PR rtl-optimization/48374
3788 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3790 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3792 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3793 compute_data_dependences_for_loop returns false.
3794 * tree-parloops.c (loop_parallel_p): Likewise.
3796 2012-01-25 Richard Guenther <rguenther@suse.de>
3798 * tree.h (get_pointer_alignment_1): Declare.
3799 * builtins.c (get_pointer_alignment_1): New function.
3800 (get_pointer_alignment): Use it.
3802 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3804 PR rtl-optimization/48308
3805 * combine.c (enum undo_kind): Add UNDO_LINKS.
3806 (struct undo): Add member l to other_contents and where.
3807 (do_SUBST_LINK): New.
3809 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3810 (undo_all): Handle UNDO_LINKS.
3812 2012-01-25 Richard Henderson <rth@redhat.com>
3814 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3817 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3819 * optabs.c (gen_atomic_test_and_set): Use each argument.
3821 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3823 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3824 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3825 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3826 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3827 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3828 TARGET_PAIRED_SINGLE_FLOAT.
3830 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3832 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3833 (in_struct, return_val): Remove MEM documentation.
3834 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3835 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3836 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3838 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3839 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3840 * expr.c (store_field): Likewise.
3841 * function.c (assign_stack_temp_for_type): Likewise.
3842 * ifcvt.c (noce_try_cmove_arith): Likewise.
3843 * reload1.c (reload): Likewise.
3844 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3845 (alpha_set_memflags): Likewise.
3846 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3848 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3850 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3852 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3853 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3854 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3856 * cselib.c (cselib_rtx_varies_p): Delete.
3857 (cselib_invalidate_mem): Update call to canon_true_dependence.
3858 * dse.c (record_store, check_mem_read_rtx): Likewise.
3859 (scan_reads_nospill): Likewise.
3860 * cse.c (check_dependence): Likewise.
3861 (cse_rtx_varies_p): Delete.
3862 * expr.c (safe_from_p): Update call to true_dependence.
3863 * ira.c (validate_equiv_mem_from_store): Likewise.
3864 (memref_referenced_p): Likewise.
3865 * postreload-gcse.c (find_mem_conflicts): Likewise.
3866 * sched-deps.c (sched_analyze_2): Likewise.
3867 * store-motion.c (load_kills_store): Likewise.
3868 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3869 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3870 (compute_transp): Update call to canon_true_dependence.
3872 2012-01-25 Richard Henderson <rth@redhat.com>
3874 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3875 (maybe_emit_atomic_test_and_set): New.
3876 (expand_sync_lock_test_and_set): Use it.
3877 (expand_atomic_test_and_set): Likewise.
3878 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3879 the implementation; clarify implementation defined details.
3880 * doc/md.texi (atomic_test_and_set): Document.
3882 2012-01-25 Richard Henderson <rth@redhat.com>
3884 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3886 2012-01-25 Richard Henderson <rth@redhat.com>
3889 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3890 to effect no-op split.
3892 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3895 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3896 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3897 (BT_FN_VOID_PTR_INT_SIZE): New.
3898 (BT_FN_UINT_UINT_VAR): Remove.
3899 (BT_FN_UINT32_UINT32_VAR): New.
3900 (BT_FN_DOUBLE_VPTR): Remove.
3901 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3903 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3904 (_ITM_changeTransactionMode): Same.
3905 (_ITM_memmoveRtWt): Change return type to void.
3906 (_ITM_memcpyRtWt): Same.
3907 (_ITM_memsetW): Same.
3908 (_ITM_RaRD): Change types to double.
3913 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3915 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3916 Patrick Marlier <patrick.marlier@gmail.com>
3918 * trans-mem.c (requires_barrier): Do not instrument thread local
3919 variables and emit save/restore for them.
3921 2012-01-24 Jason Merrill <jason@redhat.com>
3924 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3925 output static aliases.
3927 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3930 * common.opt (-pie, -shared, pie, shared): Change from Common to
3932 * gcc.c (display_help): Display help for -pie and -shared.
3934 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3937 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3938 Remove note on size/offset limitation.
3939 (AVR Variable Attributes): Add example how to read data located
3940 with progmem. Refer to named address spaces.
3941 * doc/invoke.texi (AVR Options): Fix typo.
3943 2012-01-24 Richard Guenther <rguenther@suse.de>
3945 Forward-port to trunk
3946 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3949 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3950 op0 isn't sufficiently aligned and there is movmisalignM
3951 insn for mode, use it to load op0 into a temporary register.
3953 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3956 * target.def (const_not_ok_for_debug_p): New hook.
3957 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3959 * doc/tm.texi: Regenerated.
3960 * dwarf2out.c (const_ok_for_output_1): If
3961 targetm.const_not_ok_for_debug_p returns true, fail.
3962 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3964 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3966 2012-01-23 Kai Tietz <ktietz@redhat.com>
3969 * config/i386/predicates.md (symbolic_operand): Allow
3970 UNSPEC_PCREL as PIC expression for lea.
3971 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3972 * config/i386/i386.c (ix86_delegitimize_address): Handle
3973 UNSPEC_PCREL for none-MEM, too.
3975 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3977 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3978 (ipa_tm_create_version_alias): Same.
3980 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3983 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3984 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3986 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3987 Patrick Marlier <patrick.marlier@gmail.com>
3988 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3991 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3992 simple_object_start_read.
3994 2012-01-23 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/51895
3998 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3999 parameter decomposition into BLKmode components.
4001 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4003 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4004 fake variables for restrict-qualified pointers whose pointed-to type
4005 contains a placeholder.
4007 2012-01-23 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/51949
4010 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4012 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4014 PR rtl-optimization/51933
4015 * ree.c (transform_ifelse): Return true right away if dstreg is
4016 already wider or equal to cand->mode.
4017 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4018 (make_defs_and_copies_lists): Remove defs_list and copies_list
4019 arguments, add state argument, just truncate state->work_list
4020 instead of always allocating and freeing the vector. Assert that
4021 get_defs succeeds instead of returning 2. Changed return type to bool.
4022 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4023 have ext_src_mode, see if it has been modified already with the
4024 right kind of extension and has been extended before from the
4025 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4026 just return true. Remember the original mode in state->modified array.
4027 (combine_reaching_defs): Add state argument. Don't allocate and
4028 free here def_list, copied_list and vec vectors, instead just
4029 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4030 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4031 Add state variable, clear vectors in it, initialize state.modified
4032 if needed. Free all the vectors at the end and state.modified too.
4033 Don't skip a candidate if the extension expression has been modified.
4035 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4038 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4039 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4040 (extra_options) interix.opt -> i386/interix.opt"
4041 (extra_objs):Add winnt-stubs.o
4042 * configure.ac: Add interix to target_os .comm on PE check.
4043 * configure: Regenerate.
4044 * config/interix3.h: Delete and move bits to..
4045 * config/interix.h: Delete and move bits to..
4046 * config/i386/i386-interix3.h: Delete and move bits to..
4047 * config/i386/i386-interix.h: ..here.
4048 (TARGET_CPU_DEFAULT): Remove redefinition.
4049 (TARGET_ASM_CONSTRUCTOR): Undefine.
4050 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4051 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4052 (PTRDIFF_TYPE): Define.
4053 (LONG_DOUBLE_TYPE_SIZE): Define.
4054 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4055 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4056 (TARGET_SECTION_TYPE_FLAGS): Define.
4057 (ASM_DECLARE_FUNCTION_NAME): Define.
4058 (ASM_OUTPUT_EXTERNAL): Define.
4059 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4060 (ASM_OUTPUT_ALIGNED_BSS): Define.
4061 (PCC_BITFIELD_TYPE_MATTERS): Define.
4062 (USE_CONST_SECTION): Define.
4063 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4064 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4065 (SUPPORTS_ONE_ONLY): Remove.
4066 (I386_PE_STRIP_ENCODING): Define.
4067 * config/interix.opt: Delete and move bits to..
4068 * config/i386/interix.opt: ..here. New.
4069 (mpe-aligned-commons): Add.
4070 * config/i386/t-interix: Add copyright header.
4071 (winnt-stubs.o): Add rule.
4073 2012-01-22 Jason Merrill <jason@redhat.com>
4076 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4077 for extra name aliases.
4079 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4081 PR rtl-optimization/51924
4082 * ree.c (combine_set_extension): Improve debugging message.
4083 (combine_reaching_defs): Likewise.
4084 (get_defs): Rename confusingly named variable.
4085 (find_and_remove_re): Skip a candidate if the extension expression has
4088 2012-01-21 Robert Millan <rmh@gnu.org>
4089 Gerald Pfeifer <gerald@pfeifer.com>
4091 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4092 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4094 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4096 PR tree-optimization/51914
4097 * tree-vect-stmts.c (vectorizable_conversion): For
4098 cvt_type && modifier == WIDEN, put temporary with cvt_type
4099 at the beginning of vec_dsts and set vec_dest to temporary
4102 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4104 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4106 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4108 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4109 * config/rs6000/rs6000.c: Likewise.
4111 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4114 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4115 output_move_double on a copy of operands array.
4117 2012-01-20 Cary Coutant <ccoutant@google.com>
4118 Dodji Seketeli <dodji@redhat.com>
4121 * dwarf2out.c (copy_declaration_context): Return ref to parent
4122 of declaration DIE, if necessary.
4123 (remove_child_or_replace_with_skeleton): Add new parameter; update
4124 caller. Place skeleton DIE under parent DIE of original declaration.
4125 Move call to copy_declaration_context to here ...
4126 (break_out_comdat_types): ... from here.
4128 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4130 PR rtl-optimization/51856
4131 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4134 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4137 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4138 hints for neon loads and stores.
4140 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4144 * doc/extend.texi (Named Address Spaces): Split into subsections.
4145 (AVR Named Address Spaces): New subsection.
4146 (M32C Named Address Spaces): New subsection.
4147 (RL78 Named Address Spaces): New subsection.
4148 (SPU Named Address Spaces): New subsection.
4149 (Variable Attributes): New anchor "AVR Variable Attributes".
4150 (AVR Variable Attributes): Rewrite and avoid wording
4151 "address space" in this context.
4152 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4153 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4154 (AVR Built-in Macros): New subsubsection therein.
4155 * doc/md.texi (AVR constraints): Remove "C04", "R".
4157 2012-01-20 Richard Guenther <rguenther@suse.de>
4159 PR tree-optimization/51903
4160 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4161 when removing stmts.
4163 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4166 * config/arm/arm.c (arm_load_pic_register): Use
4167 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4168 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4169 (arm_pic_static_addr): Likewise.
4170 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4171 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4172 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4173 (pic_load_addr_unified): New.
4175 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4178 * function.c (instantiate_virtual_regs_in_insn): Use
4179 delete_insn_and_edges when removing a wrong asm insn.
4181 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4183 PR rtl-optimization/40761
4184 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4185 Add new member loop_num.
4186 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4187 (ira_build): Remove the parameter.
4189 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4190 (ira.c): Do not build CFG loops for one region allocation. Remove
4191 argument from ira_build call.
4193 * ira-build.c (init_loop_tree_node): New function.
4194 (create_loop_tree_nodes): Use it. Separate the case when CFG
4195 loops are not built.
4196 (more_one_region_p): Check current_loops.
4197 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4199 (add_loop_to_tree): Process loop equal to NULL too.
4200 (form_loop_tree): Separate the case when CFG loops are not built.
4201 Use explicitly number for the root.
4202 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4204 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4205 instead of loop->num.
4206 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4207 (mark_all_loops_for_removal): Ditto.
4208 (remove_unnecessary_regions): Separate the case when CFG loops
4210 (ira_build): Remove the parameter. Use explicit number of regions
4211 when CFG loops are not built.
4213 * ira-color.c (print_loop_title): Separate the case for the root node.
4214 Use loop_num instead of loop->num.
4215 (move_spill_restore): Use loop_num instead of loop->num.
4217 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4218 (change_loop): Ditto.
4219 (change_loop): Use loop_num instead of loop->num.
4221 * ira-lives.c (process_bb_node_lives): Ditto.
4223 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4225 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4227 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4230 * tree-mudflap.c (mf_artificial): New function.
4231 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4232 mx_register_decls, mudflap_enqueue_decl): Use it.
4235 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4236 numbers in the insn pattern.
4238 2012-01-19 Michael Matz <matz@suse.de>
4240 PR tree-optimization/46590
4241 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4242 use it in remembering which conflicts we already created.
4243 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4246 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4249 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4250 (merge_and_complain): Same.
4252 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4255 * config/initfini-array.h: Guard content of the header
4256 with #ifdef HAVE_INITFINI_ARRAY.
4257 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4258 Add initfini-array.h to tm_file here.
4259 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4260 * config.gcc: Don't add initfini-array.h to tm_file here.
4261 * configure: Regenerated.
4263 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4265 PR rtl-optimization/51505
4266 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4267 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4268 (df_note_bb_compute): Update the call to df_kill_notes.
4270 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4272 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4274 2012-01-18 Richard Guenther <rguenther@suse.de>
4276 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4277 of conversions to void *.
4279 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4280 Richard Sandiford <rdsandiford@googlemail.com>
4284 * optabs.h (simplify_expand_binop): Declare.
4285 * optabs.c (simplify_expand_binop): Make global.
4286 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4287 endian targets if the source cannot be exactly covered by word
4290 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4293 * hard-reg-set.h (struct hard_reg_set_container): New type.
4294 * target.h (struct hard_reg_set_container): Forward declare.
4295 * target.def (set_up_by_prologue): New target hook.
4296 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4297 * doc/tm.texi: Regenerated.
4298 * function.c (thread_prologue_and_epilogue_insns): Change
4299 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4300 Call targetm.set_up_by_prologue on it.
4301 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4302 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4304 2012-01-17 Nick Clifton <nickc@redhat.com>
4306 * config/rx/rx.c (rx_can_use_simple_return): New function.
4307 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4308 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4310 2012-01-17 Richard Guenther <rguenther@suse.de>
4313 * expr.c (expand_assignment): Take address-space information
4314 from the address operand of MEM_REF and TARGET_MEM_REF.
4315 (expand_expr_real_1): Likewise.
4317 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4319 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4320 reload dump is requested.
4322 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4325 * trans-mem.c (requires_barrier): Call may_be_aliased.
4327 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4329 PR tree-optimization/51877
4330 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4331 call arguments and fndecls compare equal, instead return false if they
4332 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4333 both SSA_NAMEs that are valueized the same, or they satisfy
4336 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4338 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4340 * configure: Regenerate.
4342 2012-01-16 Jan Hubicka <jh@suse.cz>
4346 * convert.c (convert_to_integer): Use fold_convert for
4347 converting an INTEGER_CST to integer type.
4349 2012-01-16 Jason Merrill <jason@redhat.com>
4352 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4354 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4357 * config/s390/s390.c (s390_chunkify_start): Don't skip
4358 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4359 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4360 If insn is followed by NOTE_INSN_VAR_LOCATION or
4361 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4362 Don't use location of note insns.
4364 PR tree-optimization/51865
4365 * tree-inline.c (tree_function_versioning): Call remap_decl
4366 on DECL_RESULT whenever it has VOID_TYPE_P type.
4368 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4370 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4371 for calls to locally-binding MIPS16 functions if only the return
4372 type uses float regs.
4374 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4375 Richard Sandiford <rdsandiford@googlemail.com>
4377 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4378 (SYMBOL_32_HIGH): Likewise.
4379 (mips_output_tls_reloc_directive): Declare.
4380 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4381 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4382 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4383 (mips_lo_relocs, mips_hi_relocs): Make extern.
4384 (mips16_stub_function): Move up file.
4385 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4386 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4387 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4388 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4389 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4390 (mips_get_tp): Add MIPS16 support.
4391 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4392 Generalize DTPREL and TPREL handling.
4393 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4394 Add MIPS16 TLS support.
4395 (mips_output_tls_reloc_directive): New function.
4396 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4397 * config/mips/predicates.md (symbolic_operand_with_high)
4398 (tls_reloc_operand): New predicates.
4399 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4400 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4401 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4402 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4403 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4404 (*tls_get_tp_mips16_call_<mode>): Likewise.
4406 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4408 PR rtl-optimization/51821
4409 * recog.c (peep2_find_free_register): Determine clobbered registers
4412 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4415 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4416 * config/avr/avr.c: Likewise.
4417 * config/avr/avr.h: Likewise.
4419 2012-01-13 Ian Lance Taylor <iant@google.com>
4422 * tree.h (TYPE_QUALS): Add cast to int.
4423 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4425 2012-01-13 Ian Lance Taylor <iant@google.com>
4427 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4428 comparing param_index to VEC_length result.
4430 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4432 * c-decl.c: Do not include tree-mudflap.h
4433 * tree-optimize.c: Likewise.
4434 * Makefile.in: Update dependencies.
4436 2012-01-13 Richard Guenther <rguenther@suse.de>
4439 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4440 variable-sized result always use RSO.
4442 2012-01-12 DJ Delorie <dj@redhat.com>
4444 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4445 pointer type, not just the default pointer type.
4447 2012-01-09 Richard Henderson <rth@redhat.com>
4448 Denis Chertykov <chertykov@gmail.com>
4451 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4452 * config/avr/avr.c (avr_can_eliminate): Simplify.
4453 (avr_initial_elimination_offset): Likewise.
4454 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4455 (expand_epilogue): Likewise.
4456 (avr_legitimize_address): Gut.
4457 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4458 (avr_hard_regno_nregs): New.
4459 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4460 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4461 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4462 add soft frame pointer.
4463 (CALL_USED_REGISTERS): Likewise.
4464 (REG_CLASS_CONTENTS): Likewise.
4465 (REGISTER_NAMES): Likewise.
4466 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4467 (HARD_FRAME_POINTER_REGNUM): New.
4468 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4469 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4470 remove the HARD_FRAME_POINTER self-elimination.
4472 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4475 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4476 DECL_EXTERNAL when checking for initializers of progmem variables.
4478 2012-01-12 Ira Rosen <irar@il.ibm.com>
4480 PR tree-optimization/51799
4481 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4482 that the last operation is a type demotion.
4484 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4486 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4487 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4489 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4492 * combine.c (distribute_notes): If i3 is a noreturn call,
4493 allow old_size to be equal to args_size and make sure the
4494 noreturn call gets REG_ARGS_SIZE note.
4495 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4496 on noreturn calls even when the delta is 0.
4498 2012-01-11 Nathan Sidwell <nathan@acm.org>
4500 * gcov.c (STRING_SIZE): Remove.
4501 (generate_results): Erase annotations for source files with no
4502 coverage information.
4504 (output_lines): Use it.
4506 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4508 * gimple.h (gimplify_body): Remove first argument.
4509 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4510 pointer set here, instead just pass DATA to walk_tree.
4511 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4512 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4513 (unvisit_body): Likewise, but with unmark_visited.
4514 (gimplify_body): Remove BODY_P argument and adjust.
4515 (gimplify_function_tree): Adjust call to gimplify_body.
4516 * omp-low.c (finalize_task_copyfn): Likewise.
4518 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4520 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4521 (build_function_type_skip_args): Delete.
4522 * tree.c (build_function_type_skip_args): Make static and add
4523 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4524 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4525 pass it to build_function_type_skip_args.
4526 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4527 (tree_function_versioning): Likewise.
4528 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4529 build_function_decl_skip_args.
4530 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4531 and pass it to build_function_decl_skip_args/tree_function_versioning.
4532 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4533 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4534 * trans-mem.c (ipa_tm_create_version): Likewise.
4535 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4536 * tree-inline.c (declare_return_variable): Remove always-true test.
4537 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4538 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4539 * ipa-split.c (split_function): Skip the return value for the split
4540 part if it doesn't return.
4542 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4544 PR tree-optimization/49642
4545 * ipa-split.c (forbidden_dominators): New variable.
4546 (check_forbidden_calls): New function.
4547 (dominated_by_forbidden): Likewise.
4548 (consider_split): Check for forbidden dominators.
4549 (execute_split_functions): Initialize and free forbidden
4550 dominators info; call check_forbidden_calls.
4552 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4554 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4556 2012-01-11 Nick Clifton <nickc@redhat.com>
4558 * config/rx/rx.md (return): Define pattern.
4560 2012-01-11 Richard Guenther <rguenther@suse.de>
4562 * doc/extend.texi (malloc attribute): Adjust according to
4565 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4566 Patrick Marlier <patrick.marlier@gmail.com>
4569 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4570 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4571 (ipa_tm_note_irrevocable): Same.
4572 (ipa_tm_scan_irr_block): Same.
4573 (ipa_tm_decrement_clone_counts): Same.
4574 (ipa_tm_scan_irr_function): Same.
4575 (ipa_tm_create_version_alias): Same.
4576 (ipa_tm_create_version): Same.
4577 (ipa_tm_transform_calls_redirect): Same.
4578 (ipa_tm_transform_calls): Same.
4579 (ipa_tm_transform_transaction): Same.
4580 (ipa_tm_execute): Same.
4582 2012-01-10 Richard Guenther <rguenther@suse.de>
4585 * opts.c (common_handle_option): Handle -Werror.
4587 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4589 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4592 2012-01-10 Jason Merrill <jason@redhat.com>
4594 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4597 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4599 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4600 supports R_386_TLS_GD_PLT reloc.
4601 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4602 supports R_386_TLS_LDM_PLT reloc.
4603 * configure: Regenerate.
4604 * config.in: Regenerate.
4606 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4609 Extend __pgmx semantics to linearize memory.
4610 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4611 determine if code comes inline or from libgcc.
4612 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4613 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4614 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4615 (movmemx_qi, movmemx_hi): New insns.
4616 (xload_<mode>_libgcc): Rewrite to new insn condition.
4617 (xload_<mode>): Remove insns.
4618 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4619 cases that don't satisfy avr_xload_libgcc_p().
4620 (avr_addr_space_convert): Allow converting in any direction.
4621 (avr_addr_space_subset_p): Return always true.
4622 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4623 (avr_emit_movmemhi): Ditto.
4624 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4625 (avr_out_movmem): Ditto.
4626 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4627 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4628 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4629 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4630 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4632 2012-01-10 Richard Guenther <rguenther@suse.de>
4634 PR tree-optimization/50913
4635 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4636 Require data-refs to be representable by Graphite with respect
4639 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4641 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4642 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4644 2012-01-10 Tom de Vries <tom@codesourcery.com>
4646 PR rtl-optimization/51271
4647 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4648 handling annulled branch.
4650 2012-01-10 Richard Henderson <rth@redhat.com>
4652 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4653 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4654 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4655 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4656 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4657 arm_expand_vec_perm_const): New.
4658 * config/arm/arm-protos.h: Update.
4659 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4660 (*neon_vswp<VDQX>): New.
4661 (neon_vcombine<VDX>): Use neon_split_vcombine.
4662 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4663 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4664 (vec_perm<VE>): New.
4666 2012-01-10 Richard Henderson <rth@redhat.com>
4668 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4669 use it if reload_completed.
4670 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4671 arm_output_asm_insn, arm_process_output_memory_barrier,
4672 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4673 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4674 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4675 arm_process_output_sync_insn, arm_output_sync_insn,
4676 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4677 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4678 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4679 (emit_unlikely_jump): New.
4680 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4681 (arm_split_atomic_op): New.
4682 * config/arm/arm-protos.h: Update.
4683 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4684 (struct arm_sync_generator): Remove.
4685 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4686 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4687 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4688 (VUNSPEC_LL, VUNSPEC_SC): New.
4689 (sync_result, sync_memory, sync_required_value, sync_new_value,
4690 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4691 (attr length): Don't use arm_sync_loop_insns.
4692 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4693 (movsfcc, movdfcc): Likewise.
4694 * config/arm/constraints.md (Ua): New.
4695 * config/arm/prediates.md (mem_noofs_operand): New.
4696 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4697 (sync_clobber, sync_t2_reqd): Remove.
4698 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4699 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4700 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4701 (arm_sync_compare_and_swap<SIDI>): Remove.
4702 (arm_sync_compare_and_swap<NARROW>): Remove.
4703 (arm_sync_lock_test_and_set<SIDI>): Remove.
4704 (arm_sync_lock_test_and_set<NARROW>): Remove.
4705 (arm_sync_new_<syncop><SIDI>): Remove.
4706 (arm_sync_new_<syncop><NARROW>): Remove.
4707 (arm_sync_new_nand<SIDI>): Remove.
4708 (arm_sync_new_nand<NARROW>): Remove.
4709 (arm_sync_old_<syncop><SIDI>): Remove.
4710 (arm_sync_old_<syncop><NARROW>): Remove.
4711 (arm_sync_old_nand<SIDI>): Remove.
4712 (arm_sync_old_nand<NARROW>): Remove.
4713 (*memory_barrier): Merge arm_output_memory_barrier.
4714 (atomic_compare_and_swap<QHSD>): New.
4715 (atomic_compare_and_swap<NARROW>_1): New.
4716 (atomic_compare_and_swap<SIDI>_1): New.
4717 (atomic_exchange<QHSD>): New.
4718 (cas_cmp_operand, cas_cmp_str): New.
4719 (atomic_op_operand, atomic_op_str): New.
4720 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4721 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4722 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4723 (arm_load_exclusive<NARROW>): New.
4724 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4725 (arm_store_exclusive<QHSD>): New.
4727 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4729 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4730 reload patterns if -mvsx-scalar-memory.
4732 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4733 generated, even -mno-vsx-scalar-double was used.
4734 (vsx_xscvdpsp_scalar): Likewise.
4735 (vsx_xscvspdp_scalar2): Likewise.
4737 2012-01-09 Tom de Vries <tom@codesourcery.com>
4738 Andrew Pinski <apinski@cavium.com>
4741 * reorg.c (fill_slots_from_thread): Don't speculate
4742 frame-related insns.
4744 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4746 * sched-int.h (bb_note): Move to...
4747 * basic-block.h: ...here.
4748 * haifa-sched.c (bb_note): Move to...
4749 * cfgrtl.c: ...here.
4750 * function.c (next_block_for_reg): New function.
4751 (move_insn_for_shrink_wrap): Likewise.
4752 (prepare_shrink_wrap): Rewrite to use the above.
4754 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4756 * gimple.c (is_gimple_non_addressable): Remove.
4757 * gimple.h: Remove is_gimple_non_addressable.
4758 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4759 is_gimple_non_addressable.
4760 * trans-mem.c (expand_assign_tm): Same.
4762 2012-01-09 Richard Guenther <rguenther@suse.de>
4764 PR tree-optimization/51775
4765 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4766 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4768 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4770 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4772 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4774 2012-01-09 Richard Guenther <rguenther@suse.de>
4776 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4778 2012-01-08 Jan Hubicka <jh@suse.cz>
4780 PR tree-optimize/51680
4781 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4782 on when known_vals needs to be computed; cleanup.
4784 2012-01-08 Jan Hubicka <jh@suse.cz>
4786 PR tree-optimize/51694
4787 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4789 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4791 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4792 for -std=c++98 and -std=c++11 too.
4794 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4796 * cfgloop.c (cancel_loop): Add free() of bbs array.
4798 2012-01-07 Jan Hubicka <jh@suse.cz>
4800 PR tree-optimization/51600
4801 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4802 that benefits small functions.
4804 2012-01-07 Jan Hubicka <jh@suse.cz>
4806 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4808 2012-01-07 Jan Hubicka <jh@suse.cz>
4810 PR tree-optimization/51680
4811 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4812 whose inlining reduce unit size.
4814 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4817 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4818 Add canonical node to containing_mem chain after the non-canonical
4819 one, even if there weren't any locs to propagate.
4820 (remove_useless_values): Keep only canonical values.
4821 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4822 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4823 canonicalize mem_chain elements that are not discarded.
4825 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4828 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4829 before emitting functions.
4831 PR gcov-profile/50127
4832 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4833 clear_aux_for_blocks.
4835 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4838 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4840 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4842 * c-decl.c (ext_block): Moved up.
4843 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4845 2012-01-06 Han Shen <shenhan@google.com>
4847 Translate built-in include paths for sysroot.
4848 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4849 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4851 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4852 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4854 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4855 control whether sysroot should be prepended to gxx include dir.
4857 * configure: Regenerate.
4859 2012-01-06 Torvald Riegel <triegel@redhat.com>
4861 PR rtl-optimization/51771
4862 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4863 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4865 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4867 PR tree-optimization/51315
4868 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4869 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4871 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4874 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4875 for shrp pattern. Correctly handle and fixup shift variable.
4876 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4878 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4881 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4882 note when !ACCUMULATE_OUTGOING_ARGS.
4884 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4886 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4888 (extract_range_from_unary_expr_1): Avoid useless computations.
4890 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4892 PR rtl-optimization/51767
4893 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4894 of jump_block and add an extra edge for degenerated asm gotos.
4897 * stmt.c (check_unique_operand_names): Don't ICE during error
4898 reporting if i is from labels chain.
4901 * profile.c (branch_prob): Split bbs that have exit edge
4902 and need a fake entry edge too.
4904 2012-01-05 Jan Hubicka <jh@suse.cz>
4907 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4910 2012-01-05 Richard Guenther <rguenther@suse.de>
4913 * tree-streamer-out.c (write_ts_optimization): New function.
4914 (streamer_write_tree_body): Call it.
4915 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4916 (streamer_read_tree_body): Call it.
4917 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4919 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4922 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4923 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4924 in_cleanup_point_expr before gimplify_stmt call and restore it
4926 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4927 in_cleanup_point_expr is false.
4929 2012-01-05 Richard Guenther <rguenther@suse.de>
4932 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4934 * toplev.c (process_options): Reject combining mudflap and LTO.
4935 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4937 2012-01-05 Richard Guenther <rguenther@suse.de>
4939 PR tree-optimization/51760
4940 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4942 (bit_value_unop): Handle UNDEFINED operands.
4943 (bit_value_binop): Likewise.
4945 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4947 * config/avr/avr.c (avr_replace_prefix): Remove.
4948 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4949 (avr_asm_function_rodata_section): Ditto.
4950 (avr_asm_select_section): Ditto.
4952 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4954 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4957 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4960 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4961 calls that have any non-fake successor edges.
4964 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4966 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4968 PR tree-optimization/51624
4969 * tree-sra.c (build_ref_for_model): When replicating a chain of
4970 COMPONENT_REFs, stop as soon as the offset would become negative.
4972 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4975 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4976 in .debug_loc on the floor.
4978 2012-01-04 Andrew Pinski <apinski@cavium.com>
4980 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4982 2012-01-04 Andrew Pinski <apinski@cavium.com>
4983 Adam Nemet <anemet@caviumnetworks.com>
4985 * config/mips/mips.md (size): Add SI and DI.
4986 (SIZE): New mode attribute.
4987 (U): New code attribute.
4988 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4989 (mips_lbux_<mode>): Delete.
4990 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4991 (mips_lhx): Use gen_mips_lhx_extsi.
4992 (mips_lhx_<mode>): Delete.
4994 (mips_l<size>x): New expand.
4995 (mips_lwx_<mode>): Delete.
4996 (mips_l<GPR:size>x_<P:mode>): New pattern.
4997 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4998 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4999 * config/mips/mips.c (mips_lx_address_p): New function.
5000 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5001 (dsp64): New availability predicate.
5002 (mips_builtins): Add an entry for __builtin_mips_ldx.
5003 * config/mips/mips.h (ISA_HAS_LBX): New define.
5004 (ISA_HAS_LBUX): Likewise.
5005 (ISA_HAS_LHX): Likewise.
5006 (ISA_HAS_LHUX): Likewise.
5007 (ISA_HAS_LWX): Likewise.
5008 (ISA_HAS_LWUX): Likewise.
5009 (ISA_HAS_LDX): Likewise.
5010 * doc/extend.texi (__builtin_mips_ldx): Document.
5012 2012-01-04 Tristan Gingold <gingold@adacore.com>
5014 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5015 when long pointers are used.
5016 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5017 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5018 (ia64-hp-*vms*): Remove.
5019 * config/vms/xm-vms64.h: Delete.
5021 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5024 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5026 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5028 * opts.c (finish_options): Remove duplicate sorry.
5030 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5033 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5036 2012-01-04 Richard Guenther <rguenther@suse.de>
5039 * tree.c (size_low_cst): New function.
5040 * tree.h (size_low_cst): Declare.
5041 * fold-const.c (fold_comparison): Use it to extract the low
5042 part of the POINTER_PLUS_EXPR offset.
5044 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5046 Fix clearing ZERO_REG
5047 * config/avr/avr.md (cc): Add alternative "ldi".
5048 (movqi_insn): Use it in cc attribute.
5049 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5050 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5051 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5053 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5055 * configure: Regenerate.
5057 2012-01-04 Richard Guenther <rguenther@suse.de>
5059 PR tree-optimization/49651
5060 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5061 (var_can_have_subvars): Use it.
5062 (get_constraint_for_1): Only consider subfields if there can be any.
5064 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5067 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5068 to its new canonical_cselib_val and the cselib_val was in
5069 first_containing_mem chain, but the canonical_cselib_val was not,
5070 add the latter into the chain.
5071 (cselib_invalidate_mem): Compare canonical_cselib_val of
5072 addr_list chain elt with v.
5075 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5076 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5078 (output_macinfo_op): Don't ggc_strdup fd->filename.
5079 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5080 then ggc_strdup it. Don't free inc->info or cur->info.
5081 (output_macinfo): Don't free ref->info or file->info.
5083 2012-01-03 Ira Rosen <irar@il.ibm.com>
5085 PR tree-optimization/51269
5086 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5087 first_niters a pointer.
5088 (slpeel_tree_peel_loop_to_edge): Likewise.
5089 (vect_do_peeling_for_loop_bound): Update call to
5090 slpeel_tree_peel_loop_to_edge.
5091 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5092 here. Remove it from the parameters list.
5093 (vect_do_peeling_for_alignment): Update calls and compute
5096 2012-01-03 Richard Guenther <rguenther@suse.de>
5098 PR tree-optimization/51070
5099 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5100 Properly handle calls.
5102 2012-01-03 Richard Guenther <rguenther@suse.de>
5104 PR tree-optimization/51692
5105 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5106 the LHS of allocation stmts.
5108 2012-01-03 Olivier Hainque <hainque@adacore.com>
5110 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5112 2012-01-03 Olivier Hainque <hainque@adacore.com>
5114 * collect2.c (main): In AIX specific computations for vector
5115 insertions, use CONST_CAST2 to cast from char ** to const char **.
5117 2012-01-03 Richard Guenther <rguenther@suse.de>
5120 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5121 the context of a limbo DIE when it does not already exist.
5123 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5125 PR tree-optimization/51719
5126 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5127 but direct call is, clear direct call's lhs and don't add fallthrough
5128 edge from dcall_bb to join_bb and PHIs.
5130 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5132 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5133 the instructions emitted by the pattern.
5134 ("*TDC_insn_<mode>"): Add comment.
5136 2012-01-03 Richard Guenther <rguenther@suse.de>
5139 * fold-const.c (fold_comparison): Properly canonicalize
5140 tree offset and HOST_WIDE_INT bit position.
5142 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5144 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5145 operands for extzv pattern.
5147 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5150 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5153 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5155 * doc/invoke.texi (-flto and related options): Copy-edit.
5157 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5159 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5161 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5163 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5166 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5168 * expr.h (move_by_pieces_ninsns): Declare.
5169 * expr.c (move_by_pieces_ninsns): Make external.
5170 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5171 (mips_store_by_pieces_p): Likewise.
5172 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5173 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5174 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5175 (mips_store_by_pieces_p): Likewise.
5177 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5179 * passes.c (register_one_dump_file): Free full_name.
5181 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5182 (calculate_elim_costs_all_insns): Free offsets_at and
5183 offsets_known_at at the end and clear the pointers.
5185 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5187 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5188 this option introduced in r180739.
5190 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5193 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5194 (tmake_file target=avr): Add avr/t-multilib.
5196 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5197 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5198 * config/avr/genmultilib.awk: New file.
5199 * config/avr/t-multilib: New auto-generated file.
5200 * config/avr/multilib.h: New auto-generated file.
5201 * config/avr/t-avr (AVR_MCUS): New variable.
5202 (genopt.sh): Use it.
5203 (s-mlib): Depend on t-multilib.
5204 (t-multilib, multilib.h): New dependencies.
5205 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5206 (MULTILIB_OPTIONS): Remove.
5207 (MULTILIB_MATCHES): Remove.
5208 (MULTILIB_DIRNAMES): Remove.
5209 (MULTILIB_EXCEPTIONS): Remove:
5210 * config/avr/genopt.sh: Don't use hard coded file name;
5211 pass AVR_MCUS from t-avr instead.
5213 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5215 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5217 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5219 Implement light-weight DImode support.
5220 * config/avr/avr-dimode.md: New file.
5221 * config/avr/avr.md: Include it.
5222 (adjust_len): Add plus64, compare64.
5223 (HIDI): Remove code iterator.
5224 (code_stdname): New code attribute.
5225 (rotx, rotsmode): Remove DI.
5226 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5228 * config/avr/avr-protos.h (avr_have_dimode): New.
5229 (avr_out_plus64, avr_out_compare64): New.
5230 * config/avr/avr.c (avr_out_compare): Handle DImode.
5231 (avr_have_dimode): New variable definition and initialization.
5232 (avr_out_compare64, avr_out_plus64): New functions.
5233 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5234 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5235 (avr_compare_pattern): Skip DImode comparisons.
5237 2012-01-02 Revital Eres <revital.eres@linaro.org>
5239 * ddg.c (def_has_ccmode_p): New function.
5240 (add_cross_iteration_register_deps,
5241 create_ddg_dep_from_intra_loop_link): Call it.
5243 2012-01-02 Richard Guenther <rguenther@suse.de>
5246 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5248 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5250 * gcc.c (process_command): Update copyright notice dates.
5251 * gcov.c (print_version): Likewise.
5252 * gcov-dump.c (print_version): Likewise.
5253 * mips-tfile.c (main): Likewise.
5254 * mips-tdump.c (main): Likewise.
5256 2012-01-01 Ira Rosen <irar@il.ibm.com>
5258 PR tree-optimization/51704
5259 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5260 a use is inside the basic block or loop before accessing its vect info.
5262 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5264 PR rtl-optimization/51069
5265 * cfgloopmanip.c (remove_path): Removing path making irreducible
5266 region unconditional makes BB part of the region.
5268 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5270 PR tree-optimization/51683
5271 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5272 calls with side-effects.
5273 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5275 Copyright (C) 2012 Free Software Foundation, Inc.
5277 Copying and distribution of this file, with or without modification,
5278 are permitted in any medium without royalty provided the copyright
5279 notice and this notice are preserved.