1 2012-07-06 Kai Tietz <ktietz@redhat.com>
3 Backport from mainline.
5 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
8 2012-07-06 Nick Clifton <nickc@redhat.com>
10 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
11 default_encode_section_info.
13 2012-07-06 Richard Guenther <rguenther@suse.de>
15 Backport from mainline
16 2012-03-30 Richard Guenther <rguenther@suse.de>
19 * double-int.c (rshift_double): Remove not needed
22 2012-03-28 Richard Guenther <rguenther@suse.de>
25 * double-int.h (rshift_double): Remove.
26 * double-int.c (lshift_double): Use absu_hwi to make count
28 (rshift_double): Make static, take unsigned count argument,
29 remove handling of negative count argument.
30 (double_int_rshift): Dispatch to lshift_double.
32 2012-07-06 Richard Guenther <rguenther@suse.de>
34 Backport from mainline
35 2012-06-18 Richard Guenther <rguenther@suse.de>
37 PR tree-optimization/53693
38 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
39 Reject operands with more than one use.
41 2012-07-06 Richard Guenther <rguenther@suse.de>
43 Backport from mainline
44 2012-04-11 Richard Guenther <rguenther@suse.de>
47 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
48 consider loop nesting.
49 (evolution_function_is_univariate_p): Properly check the remainder
52 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
54 Backport from mainline
55 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
57 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
58 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
59 (adjacent_mem_locations): Move some code to and call...
60 (get_memref_parts): ...new function.
61 (mem_locations_overlap): New function.
62 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
63 (is_mem_ref): Rename to...
64 (find_mem_ref): ...this. Return MEM rtx.
65 (get_store_dest): Remove function.
66 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
67 new parameter and adjust calls.
68 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
69 mem refs overlap for true_store_to_load_dep_costly.
70 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
71 passed to adjacent_mem_locations.
72 (is_costly_group): Walk resolved dependency list.
73 (force_new_group): Emit group ending nop for Power6/Power7.
74 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
75 (group_ending_nop): New define_insn.
77 2012-07-04 Richard Guenther <rguenther@suse.de>
80 * gimple-fold.c (get_base_constructor): Do not return an
81 error_mark_node DECL_INITIAL.
83 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
85 Backport from mainline
86 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
88 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
89 code model string in the error message.
91 2012-07-04 Tristan Gingold <gingold@adacore.com>
93 Backport from mainline.
94 2012-06-25 Tristan Gingold <gingold@adacore.com>
96 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
97 (seh_cfa_adjust_cfa): ... that function.
98 (seh_emit_stackalloc): Do not emit out of range values.
99 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
100 UNSPEC_DEF_CFA constants.
101 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
102 * config/i386/i386.c (ix86_frame_pointer_required): Required
103 for very large frames on SEH target.
104 (ix86_compute_frame_layout): Save area is before frame pointer
105 on SEH target. Handle very large frames.
106 (ix86_expand_prologue): Likewise.
108 2012-07-04 Richard Guenther <rguenther@suse.de>
110 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
111 as in free_lang_data_in_type.
113 2012-07-02 Martin Jambor <mjambor@suse.cz>
115 Backport from mainline.
116 2012-07-02 Martin Jambor <mjambor@suse.cz>
119 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
120 dynamic type change check.
122 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
124 * tree-eh.c (lower_try_finally_switch): Really put the location of the
125 last statement of the finally block onto the switch.
127 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
129 * configure: Regenerate.
130 Backport from mainline.
131 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
132 * config.gcc (target_type_format_char): New. Document it. Set it for
134 * configure.ac (gnu_unique_option): Use target_type_format_char
135 in test. Comment rationale.
137 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
139 Backport from mainline.
140 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
141 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
143 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
145 Backport from 2012-06-28 mainline r189049
148 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
149 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
150 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
151 avr_hard_regno_call_part_clobbered.
153 2012-06-28 Richard Guenther <rguenther@suse.de>
156 * expr.c (expand_expr_real_1): Verify if the type is complete
157 before inspecting its size.
159 2012-06-27 Nick Clifton <nickc@redhat.com>
161 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
164 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
167 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
169 2012-06-26 Nick Clifton <nickc@redhat.com>
171 * config/rx/rx.md (simple_return): Use the simple_return rtx.
173 2012-06-25 Jakub Jelinek <jakub@redhat.com>
176 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
177 of x x x in the vmovlps load alternative.
179 2012-06-22 Richard Guenther <rguenther@suse.de>
181 * gcov-iov.c: Include bconfig.h and system.h.
183 2012-06-22 Richard Guenther <rguenther@suse.de>
185 PR gcov-profile/53744
186 * gcov-iov.c (main): Treat "" and "prerelease" the same.
188 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
190 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
191 DECL_IGNORED_P non-reg vars even if they are used.
193 2012-06-19 Jason Merrill <jason@redhat.com>
196 * dwarf2out.c (modified_type_die): Use scope_die_for.
197 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
198 (uses_local_type_r, uses_local_type): New.
199 (scope_die_for): Keep a type that uses a local type in local scope.
200 Use get_context_die for namespace and type scope.
202 2012-06-19 Richard Guenther <rguenther@suse.de>
205 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
206 replace it with the first non-BLOCK context.
208 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
210 PR rtl-optimization/53700
212 Backport from mainline
213 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
215 * ira-color.c (setup_left_conflict_sizes_p): Process all
218 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
220 Backport from mainline
221 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
224 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
225 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
226 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
227 instead of xop_mulv2div2di3_low.
228 (xop_p<macs>dql): Fix vec_select selector.
229 (xop_p<macs>dqh): Ditto.
230 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
231 (xop_mulv2div2di3_high): Ditto.
233 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
235 Backport from mainline:
236 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
238 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
240 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
242 Backport from mainline:
243 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
245 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
246 * config/pa/pa.c (pa_attr_length_millicode_call): Use
247 MAX_PCREL17F_OFFSET instead of fixed offset.
248 (pa_attr_length_call): Likewise.
249 (pa_attr_length_indirect_call): Likewise.
251 2012-06-15 Walter Lee <walt@tilera.com>
253 Backport from mainline:
254 2012-06-15 Walter Lee <walt@tilera.com>
256 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
258 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
260 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
262 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
264 Backport from mainline:
266 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
267 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
268 * gimple.h (block_in_transaction): Check for flag_tm.
270 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
272 PR tree-optimization/52558
274 Backport from mainline:
275 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
276 * gimple.h (gimple_set_in_transaction): Remove.
277 (gimple_in_transaction): Look in BB instead.
278 (gimple_statement_base): Remove in_transaction field.
279 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
280 * trans-mem.c (compute_transaction_bits): Place transaction bit
281 information into basic blocks.
283 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
285 PR tree-optimization/52558
286 * cfg.c (alloc_aux_for_edge): Fix comment.
287 (alloc_aux_for_edge): Remove static.
288 * basic-block.h (alloc_aux_for_edge): Protoize.
289 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
290 (execute_sm_if_changed_flag): New.
291 (execute_sm_if_changed_flag_set): New.
292 (execute_sm): Do not generate data races unless requested.
293 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
294 (tree_ssa_lim_finalize): Call free_aux_for_edges.
295 * gimple.h (block_in_transaction): New.
296 (gimple_in_transaction): Use block_in_transaction.
298 2012-06-14 Jakub Jelinek <jakub@redhat.com>
300 Backported from mainline
301 2012-06-12 Jakub Jelinek <jakub@redhat.com>
303 PR rtl-optimization/53589
304 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
305 discovery even when e->dest != target. If any LABEL_REF points
306 to e->dest label, redirect it to target's label.
308 2012-06-07 Jakub Jelinek <jakub@redhat.com>
311 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
312 returns false, replace stmt with GIMPLE_NOP.
313 (check_omp_nesting_restrictions): Instead of issuing warnings,
314 issue errors and return false if any errors were reported.
316 2012-06-14 Richard Guenther <rguenther@suse.de>
318 * BASE-VER: Set to 4.7.2.
319 * DEV-PHASE: Set to prerelease.
321 2012-06-12 Christian Bruel <christian.bruel@st.com>
324 * config/sh/sh.c (sh_option_override): Don't force
325 flag_omit_frame_pointer and maccumulate_outgoing_args.
326 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
328 2012-06-14 Release Manager
330 * GCC 4.7.1 released.
332 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
334 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
336 2012-06-13 Richard Henderson <rth@redhat.com>
338 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
339 iterator instead of INT.
341 2012-06-08 Richard Henderson <rth@redhat.com>
344 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
345 note to a clobber insn when no other insn is available.
347 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
350 * doc/invoke.texi (Wenum-compare): Update documentation.
352 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
355 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
357 (altivec_stvlxl): Ditto.
358 (altivec_stvrx): Ditto.
359 (altivec_stvrxl): Ditto.
361 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
364 * trans-mem.c (expand_block_edges): Do not skip the first
365 statement when resetting the BB.
367 2012-06-04 Richard Guenther <rguenther@suse.de>
370 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
371 create new assembler names.
373 2012-06-04 Richard Guenther <rguenther@suse.de>
375 Backport from mainline
376 2012-04-25 Jakub Jelinek <jakub@redhat.com>
379 * stor-layout.c (get_best_mode): Don't return mode with bitsize
380 larger than maxbits. Don't compute maxbits modulo align.
381 Also check that unit bytes long store at bitpos / unit * unit
382 doesn't affect bits beyond bitregion_end.
383 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
384 would not fit into bitregion_start ... bitregion_end + 1 bit
386 (store_split_bit_field): Decrease unit close to end of bitregion_end
387 if access is restricted in order to avoid mutual recursion.
389 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
391 Backport from 2012-06-04 mainline r188172
394 * config/avr/avr-stdint.h: New file.
395 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
398 2012-06-04 Jakub Jelinek <jakub@redhat.com>
400 PR tree-optimization/53550
401 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
402 is POINTER_TYPE_P, use sizetype as step type instead of type.
404 2012-06-04 Richard Guenther <rguenther@suse.de>
405 Eric Botcazou <ebotcazou@adacore.com>
407 Backport from mainline
408 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
410 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
411 Change type of BITOFFSET to signed. Make sure the lower bound of
412 the computed range is non-negative by adjusting OFFSET and BITPOS.
413 (expand_assignment): Adjust call to get_bit_range.
415 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
417 * expr.c (get_bit_range): Return the null range if the enclosing record
418 is part of a larger bit field.
420 2012-03-20 Richard Guenther <rguenther@suse.de>
422 * stor-layout.c (finish_bitfield_representative): Fallback
423 to conservative maximum size if the padding up to the next
424 field cannot be computed as a constant.
425 (finish_bitfield_layout): If we cannot compute the distance
426 between the start of the bitfield representative and the
427 bitfield member start a new representative.
428 * expr.c (get_bit_range): The distance between the start of
429 the bitfield representative and the bitfield member is zero
430 if the field offsets are not constants.
432 2012-03-16 Richard Guenther <rguenther@suse.de>
434 * stor-layout.c (finish_bitfield_representative): Fall back
435 to the conservative maximum size if we cannot compute the
436 size of the tail padding.
438 2012-03-14 Richard Guenther <rguenther@suse.de>
440 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
441 * stor-layout.c (start_bitfield_representative): New function.
442 (finish_bitfield_representative): Likewise.
443 (finish_bitfield_layout): Likewise.
444 (finish_record_layout): Call finish_bitfield_layout.
445 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
446 for QUAL_UNION_TYPE fields.
447 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
448 Stream DECL_BIT_FIELD_REPRESENTATIVE.
449 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
454 * expr.c (get_bit_range): Unconditionally extract bitrange
455 from DECL_BIT_FIELD_REPRESENTATIVE.
456 (expand_assignment): Adjust call to get_bit_range.
458 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
461 * fold-const.c (fold_binary_loc): Refine previous change.
463 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
465 Backport from mainline
466 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
469 * config/sh/sh.c (find_barrier): Add equality check of last_got to
470 avoid going above orig insn. Update comments.
472 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
474 Backport from mainline
475 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
478 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
479 prologue for unwinder and profiler.
481 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
483 Backport from mainline
484 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
486 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
488 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
490 Backport from mainline
491 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
493 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
496 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
498 Backport from mainline
499 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
501 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
502 operand is CONST_INT. Take COSTS_N_INSNS into account.
503 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
506 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
508 * config/avr/avr.opt (-msp8): Document it.
509 * doc/invoke.texi (AVR Options): Copy from trunk docu.
511 2012-05-31 Richard Guenther <rguenther@suse.de>
514 * expr.c (expand_assignment): Do not use movmisalign on
517 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
520 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
521 (pa_section_type_flags): New.
522 (pa_legitimate_constant_p): Revert previous change.
524 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
526 Backport from mainline
527 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
530 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
532 (ipa_tm_create_version): Same.
534 2012-05-30 Jason Merrill <jason@redhat.com>
537 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
538 about array compound literals.
540 2012-05-30 Richard Guenther <rguenther@suse.de>
543 * fold-const.c (fold_binary_loc): Make sure to call
544 fold_plusminus_mult_expr with the original sign of operands.
546 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
548 * explow.c (probe_stack_range): Restore simple control flow and stop
549 again when the probe cannot be generated if HAVE_check_stack.
551 2012-05-30 Jakub Jelinek <jakub@redhat.com>
553 PR rtl-optimization/53519
554 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
555 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
557 2012-05-29 Richard Guenther <rguenther@suse.de>
559 PR tree-optimization/53516
560 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
562 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
564 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
566 Backport from mainline
567 2012-05-28 Richard Guenther <rguenther@suse.de>
569 PR tree-optimization/53438
570 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
572 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
574 Backport from mainline
575 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
577 PR rtl-optimization/52528
578 * combine.c (can_combine_p): Add setting of subst_low_luid
579 before call to expand_field_assignment().
581 2012-05-26 Martin Jambor <mjambor@suse.cz>
583 Backport from mainline
584 2012-05-23 Martin Jambor <mjambor@suse.cz>
586 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
588 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
591 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
592 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
594 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
597 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
598 (ix86_expand_vec_perm): Use int mode instead of float.
600 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
603 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
604 gnu_ld variables to yes.
605 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
606 (HAVE_GNU_AS): Likewise.
607 * config.in: Regenerate.
608 * configure: Likewise.
610 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
612 Backport from mainline
613 2012-03-12 Richard Guenther <rguenther@suse.de>
614 * config/arm/arm.c (neon_dereference_pointer): Do not call
615 covert during RTL expansion.
617 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
619 Backport from mainline
620 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
623 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
624 relied on signed overflow behavior.
626 2012-05-24 Richard Guenther <rguenther@suse.de>
629 * tree-profile.c (tree_profiling): Cleanup the CFG if
630 execute_fixup_cfg requests it.
632 2012-05-24 Jakub Jelinek <jakub@redhat.com>
634 PR tree-optimization/53465
635 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
636 vr0 into *vr, then vrp_meet that.
637 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
638 have any equivalences.
639 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
642 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
644 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
646 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
647 (iterative_hash_gimple_type): Adjust comment.
648 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
649 domain for an array type instead of the domain type itself.
651 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
653 Backport from 2012-05-23 mainline r187803
656 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
657 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
660 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
662 Backport from 2012-05-03 mainline r187075
664 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
665 has_fma4 for AMD processors with both fma3 and fma4 support.
667 2012-05-22 Richard Guenther <rguenther@suse.de>
669 PR tree-optimization/53408
670 * tree-vect-loop.c (vectorizable_induction): Properly check
671 the restriction that we cannot handle induction results from
672 the inner loop outside of the outer loop.
674 2012-05-21 Jakub Jelinek <jakub@redhat.com>
676 PR tree-optimization/53436
677 * omp-low.c (omp_build_component_ref): New function.
678 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
680 PR tree-optimization/53366
681 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
682 tests if complex_numbers == 2, but there are non-complex number loads
685 PR tree-optimization/53409
686 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
687 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
689 PR tree-optimization/53410
690 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
691 instead of build_int_cst (type, 0) where vector types might be
694 2012-05-21 Joseph Myers <joseph@codesourcery.com>
697 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
698 from folded operands before wrapping another around the
699 conditional expression.
701 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
702 Patrick Marlier <patrick.marlier@gmail.com>
704 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
707 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
709 Backport from mainline
710 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
713 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
714 (UNSPECV_RDRAND): This.
715 (rdrand<mode>_1): Updated.
717 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
719 Backport from mainline
720 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
722 * config/i386/driver-i386.c (host_detect_local_cpu): Support
723 RDRND, F16C and FSGSBASE.
725 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
727 Backport from mainline
728 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
730 * tree-ssa-pre.c (can_value_number_call): Delete.
731 (compute_avail): Skip all statements with side effects.
732 <GIMPLE_CALL>: Skip calls to internal functions.
734 2012-05-18 David S. Miller <davem@davemloft.net>
736 Backport r185385 from mainline
737 2012-03-14 Richard Guenther <rguenther@suse.de>
740 * tree-vect-generic.c (type_for_widest_vector_mode): Take
741 element type instead of mode, use build_vector_type_for_mode
742 instead of the langhook, build a vector of proper signedness.
743 (expand_vector_operations_1): Adjust.
745 2012-05-18 Olivier Hainque <hainque@adacore.com>
747 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
748 $(libsubdir) as libexecsubdir.
750 2012-05-16 Andrew Pinski <apinski@cavium.com>
752 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
755 2012-05-16 David S. Miller <davem@davemloft.net>
757 * jump.c (delete_related_insns): If we remove a CALL, make sure
758 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
760 2012-05-16 Richard Henderson <rth@redhat.com>
763 * combine-stack-adj.c (prev_active_insn_bb): New.
764 (next_active_insn_bb): New.
765 (force_move_args_size_note): New.
766 (combine_stack_adjustments_for_block): Use it.
768 2012-05-16 Olivier Hainque <hainque@adacore.com>
770 * Makefile.in (install-no-fixedincludes): New target, former toplevel
771 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
772 Add comments and improve stamp preservation across the whole sequence.
773 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
775 2012-05-16 Richard Guenther <rguenther@suse.de>
777 PR tree-optimization/53364
778 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
779 detect a view-conversion of the decl.
781 2012-05-15 Jakub Jelinek <jakub@redhat.com>
784 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
785 that operands[2] is either immediate, or q_regs_operand.
787 2012-05-15 Bin Cheng <bin.cheng@arm.com>
789 Backport r187139 from mainline.
790 2012-05-04 Bin Cheng <bin.cheng@arm.com>
792 PR rtl-optimization/52804
793 * reload1.c (reload_reg_reaches_end_p): Check whether successor
794 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
795 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
796 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
797 RELOAD_FOR_OUTADDR_ADDRESS.
799 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
802 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
803 generate target register for "load" class builtins.
806 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
809 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
810 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
811 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
812 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
813 (<sse>_movu<ssemodesuffix>): New expander.
814 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
815 (avx_movdqu<avxmodesuffix>): New expander.
816 (*sse2_movdqu): Rename from sse2_movdqu.
817 (sse2_movdqu): New expander.
819 2012-05-14 Jakub Jelinek <jakub@redhat.com>
821 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
822 lineno 1 the same as lineno 0 before first start file directive.
823 (optimize_macinfo_range): Likewise.
825 * dwarf2out.c (have_macinfo): Define.
826 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
827 attribute, don't force empty compilation unit and don't emit any
828 .debug_macinfo/.debug_macro section if macinfo_table is empty.
830 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
832 Backport from mainline
833 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
835 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
836 ORDERED and UNORDERED conditions.
838 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
840 * function.c (requires_stack_frame_p): If the function can throw
841 non-call exceptions, return true if the insn can throw internally.
843 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
845 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
846 DECL_ORIGINAL_TYPE if it is present.
848 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
850 Backport from 2012-05-12 mainline r187342.
853 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
854 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
855 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
856 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
857 (expand_prologue): Move initialization of cfun->machine->is_naked,
858 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
859 (avr_set_current_function): ...this new static function.
860 (TARGET_SET_CURRENT_FUNCTION): New define.
861 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
862 checking attributes of current_function_decl.
863 (avr_regs_to_save): Ditto.
864 (signal_function_p): Rename to avr_signal_function_p.
865 (interrupt_function_p): Rename to avr_interrupt_function_p.
867 * doc/extend.texi (Function Attributes): Better explanation of
868 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
871 2012-05-09 Matthias Klose <doko@ubuntu.com>
873 * gcc-ar.c (main): Don't check for execute bits for the plugin.
875 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
878 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
879 when a constant source operand matches an "I" constraint, the "no
880 CC0 change" applies to a register-destination only, not a
881 strict_low_part-destination.
883 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
885 Backport from mainline:
886 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
888 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
890 2012-05-07 Jakub Jelinek <jakub@redhat.com>
892 PR tree-optimization/53239
893 * tree-vrp.c (get_value_range): Set VR of
894 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
897 2012-05-07 Richard Guenther <rguenther@suse.de>
899 PR tree-optimization/53195
900 * tree-inline.c (setup_one_parameter): Properly add referenced
901 vars from the parameters new known value.
903 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
905 Backport from mainline:
906 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
909 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
912 2012-05-04 Ian Lance Taylor <iant@google.com>
914 * tree-vect-patterns.c (vect_single_imm_use): Correct return
915 values from false to NULL.
917 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
919 Backport from mainline
920 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
923 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
924 (TARGET_CMOV): Rename from TARGET_CMOVE.
925 (TARGET_CMOVE): New define.
926 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
927 Do not set TARGET_CMOVE here.
929 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
931 Backport from mainline:
933 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
935 PR tree-optimization/52633
936 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
937 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
938 (vect_recog_over_widening_pattern): Remove handling of code that was
939 already detected as over-widening pattern. Remove special handling
940 of "unsigned" cases. Instead, support general case of conversion
941 of the shift result to another type.
943 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
945 * tree-vect-patterns.c (vect_single_imm_use): New function.
946 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
947 (vect_recog_over_widening_pattern): Likewise.
948 (vect_recog_widen_shift_pattern): Likewise.
950 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
952 PR tree-optimization/52870
953 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
954 presumed pattern statement is within the same loop or basic block.
956 2012-05-04 Richard Guenther <rguenther@suse.de>
958 * common.opt (flto-report): Do not mark as Optimization.
960 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
963 * recog.c (constrain_operands): If extra constraints are present, also
964 accept pseudo-registers with equivalent memory locations during reload.
966 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
968 Backport from the mainline
969 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
972 * config/rs6000/rs6000.md (bswapdi splitters): If
973 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
974 default) is used, generate an alternate sequence that does not
975 depend on using indexed addressing.
977 2012-05-03 David S. Miller <davem@davemloft.net>
980 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
981 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
982 (sparc_emit_float_lib_cmp): Likewise.
984 2012-05-04 Martin Jambor <mjambor@suse.cz>
986 Backport from mainline
987 2012-05-02 Martin Jambor <mjambor@suse.cz>
990 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
991 of a variable when the contect is a function.
993 2012-05-03 Jakub Jelinek <jakub@redhat.com>
996 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
997 append program name to it and pass that as first argument
998 to make_relative_prefix. Always pass standard_libexec_prefix
999 as last argument to make_relative_prefix. If
1000 make_relative_prefix returns NULL, fall back to
1001 standard_libexec_prefix.
1004 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1008 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1009 mode, return that mode.
1011 2012-05-03 Richard Guenther <rguenther@suse.de>
1013 PR tree-optimization/53144
1014 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1016 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1017 with SSA name values.
1018 (vn_reference_lookup_3): Adjust callers.
1020 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1022 PR tree-optimization/53163
1023 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1024 return value from compute_all_dependences.
1026 PR rtl-optimization/53160
1027 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1028 has been modified by ree pass already.
1030 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1032 Backport from mainline
1033 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1036 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1037 calls to cgraph_node_name in xstrdup.
1038 (ipa_make_edge_direct_to_target): Ditto.
1039 * tree-sra.c (convert_callers_for_node): Ditto.
1040 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1041 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1042 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1043 (cgraph_materialize_all_clones): Ditto.
1044 * ipa-inline.c (report_inline_failed_reason): Ditto.
1045 (want_early_inline_function_p): Ditto.
1046 (edge_badness): Ditto.
1047 (update_edge_key): Ditto.
1048 (flatten_function): Ditto.
1049 (ipa_inline): Ditto.
1050 (inline_always_inline_functions): Ditto.
1051 (early_inline_small_functions): Ditto.
1053 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1055 Backport from mainline
1056 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1058 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1059 Introduce emul_name to select the right linker emulation for
1060 powerpc64-*-freebsd*.
1061 * configure: Regenerate.
1062 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1063 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1064 * config/rs6000/freebsd64.h: New file.
1065 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1067 (rs6000_savres_strategy): Likewise.
1068 (rs6000_savres_routine_name): Likewise.
1069 (rs6000_elf_file_end): Likewise.
1070 * config/rs6000/t-freebsd64: New file.
1071 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1072 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1074 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1076 Backport from mainline
1077 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1080 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1082 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1084 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1085 predicate to discriminate types.
1087 2012-04-27 Richard Guenther <rguenther@suse.de>
1090 * convert.c (convert_to_integer): Avoid infinite recursion for
1091 target-defined built-in types.
1093 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1096 * config/cris/cris.md ("*andhi_lowpart_v32")
1097 ("*andqi_lowpart_v32"): Change first input-only operand from
1098 a (match_operand ...) to (match_dup 0). Drop alternatives with
1099 const_int-matching constraints for redundancy.
1100 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1101 three-operand alternative.
1103 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1105 Backport from mainline
1106 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1108 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1109 (*addsi_2_zext): Ditto.
1110 (*add<mode>_3): Ditto.
1111 (*addsi_3_zext): Ditto.
1112 (*add<mode>_5): Ditto.
1114 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1117 * c-typeck.c (set_nonincremental_init,
1118 set_nonincremental_init_from_string): Pass true instead of false
1119 as IMPLICIT to add_pending_init.
1121 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1123 Backport from 2012-04-24 mainline r186768.
1126 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1128 2012-04-24 Richard Guenther <rguenther@suse.de>
1130 PR tree-optimization/53085
1131 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1134 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1137 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1139 (output_addressed_constants): Likewise.
1142 * varasm.c (get_section): Don't ICE for section conflicts with
1143 built-in section kinds.
1145 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1147 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1149 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1151 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1153 2012-04-23 Richard Guenther <rguenther@suse.de>
1156 * c-typeck.c (build_binary_op): Fix typo.
1158 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1160 PR tree-optimizations/52891
1161 * tree-vect-patterns.c (adjust_bool_pattern): Use
1162 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1163 but with non-standard precision.
1165 2012-04-22 Ian Lance Taylor <iant@google.com>
1167 * godump.c (go_output_typedef): Dump size of structs.
1169 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1171 Backport from mainline:
1173 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1174 hints for 'A' operand types.
1176 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1178 Backport from 2012-04-19 mainline r186588.
1181 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1182 the case *(X+const).
1184 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1186 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1188 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1191 * config/i386/sync.md (atomic_<code><mode>): Rename to
1192 atomic_<logic><mode>.
1194 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1196 Backport from mainline
1197 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1200 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1201 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1202 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1203 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1204 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1205 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1206 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1207 gen_avx2_permvarv8sf.
1209 2012-04-16 Martin Jambor <mjambor@suse.cz>
1211 Backported from mainline
1213 2012-04-13 Martin Jambor <mjambor@suse.cz>
1216 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1217 fold_ctor_reference returns a zero constant.
1219 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1221 Backported from mainline
1222 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1224 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1225 and __ILP32__ for x32.
1227 2012-04-13 Tom de Vries <tom@codesourcery.com>
1229 Backport from mainline r186418.
1231 2012-04-13 Tom de Vries <tom@codesourcery.com>
1233 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1234 parameters vuse and vuse_escaped.
1235 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1236 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1239 2012-04-13 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/52969
1242 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1243 the condition for the COND_EXPR and handle predicate negation
1244 by swapping the COND_EXPR arms.
1246 2012-04-13 Richard Guenther <rguenther@suse.de>
1249 * convert.c (convert_to_pointer): Remove special-casing of
1252 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1254 Backport from mainline
1255 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1258 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1259 the list of options to enable the FCFID instruction.
1260 (TARGET_EXTRA_BUILTINS): Adjust comment.
1262 2012-04-12 Richard Guenther <rguenther@suse.de>
1264 PR tree-optimization/52943
1265 * tree-chrec.h (chrec_is_positive): Remove.
1266 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1267 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1268 Return false for a constant zero instead of negative.
1269 (analyze_siv_subscript_cst_affine): Handle zero difference
1270 in the initial condition explicitely.
1272 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1275 * varasm.c (process_pending_assemble_externals): Set
1276 pending_assemble_externals_processed true.
1277 (assemble_external): Call assemble_external_real if the pending
1278 assemble externals have been processed.
1280 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1283 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1284 the DECL generated for the special GOT helper.
1286 2012-04-06 Walter Lee <walt@tilera.com>
1288 Backport from mainline
1289 2012-03-07 Walter Lee <walt@tilera.com>
1291 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1292 REG_CFA_* notes for the stack pointer.
1293 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1294 EH_RETURN_STACKADJ_RTX.
1295 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1296 generate REG_CFA_* notes for the stack pointer.
1297 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1298 by EH_RETURN_STACKADJ_RTX.
1300 2012-04-06 Matt Turner <mattst88@gmail.com>
1302 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1304 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1306 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1307 of the destination isn't also a FP_REGS register.
1309 2012-04-03 Richard Guenther <rguenther@suse.de>
1311 Backport from mainline
1312 2012-03-02 Richard Guenther <rguenther@suse.de>
1314 PR tree-optimization/52406
1315 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1316 (struct indices): Add unconstrained_base member.
1317 (struct dr_alias): Remove unused vops member.
1318 (DR_UNCONSTRAINED_BASE): New define.
1319 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1320 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1321 be an artificial access that covers the whole indexed object,
1322 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1323 plain decl base-objects to their MEM_REF variant.
1324 (dr_may_alias_p): When the base-object of either data reference
1325 has unknown size use only points-to information.
1326 (compute_affine_dependence): Make dumps easier to read and
1328 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1329 DR_REF when looking for packed references.
1330 (vect_supportable_dr_alignment): Likewise.
1332 2012-04-03 Richard Guenther <rguenther@suse.de>
1334 Backport from mainline
1335 2012-03-15 Richard Guenther <rguenther@suse.de>
1338 * tree-data-ref.c (subscript_dependence_tester_1): Check
1339 all dimensions for non-conflicting access functions.
1341 2012-04-03 Richard Guenther <rguenther@suse.de>
1343 Backport from mainline
1344 2012-03-06 Richard Guenther <rguenther@suse.de>
1347 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1349 2012-03-23 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/52678
1352 * tree-vectorizer.h (struct _stmt_vec_info): Add
1353 loop_phi_evolution_part member.
1354 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1355 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1356 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1357 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1358 Use the cached evolution part and the PHI nodes value from
1359 the loop preheader edge instead of re-analyzing the evolution.
1361 2012-03-26 Richard Guenther <rguenther@suse.de>
1363 PR tree-optimization/52701
1364 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1365 compute and set the evolution part of PHI nodes.
1367 2012-03-30 Richard Guenther <rguenther@suse.de>
1369 PR tree-optimization/52754
1370 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1371 propagate arbitrary addresses into really plain dereferences.
1373 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1375 PR tree-optimization/52835
1376 * tree-data-ref.c (build_rdg): Return NULL if
1377 compute_data_dependences_for_loop failed.
1379 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1381 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1382 (stmt_can_make_abnormal_goto): Use it.
1383 (is_ctrl_altering_stmt): Likewise.
1385 2012-03-31 Martin Jambor <mjambor@suse.cz>
1387 Backported from mainline
1388 2012-03-30 Martin Jambor <mjambor@suse.cz>
1390 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1391 is a builtin_stack_save in a dominating BB.
1393 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1395 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1396 crossing 128bit lane boundary.
1398 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1400 Backported from mainline
1401 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1404 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1406 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1407 * config/i386/i386.c: Include reload.h.
1408 (ix86_legitimize_reload_address): New function.
1410 2012-03-28 Martin Jambor <mjambor@suse.cz>
1412 Backported from mainline
1413 2012-03-27 Martin Jambor <mjambor@suse.cz>
1416 * tree-sra.c (sra_modify_assign): Do not call
1417 load_assign_lhs_subreplacements when working with an unscalarizable
1420 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1423 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1424 __builtin_va_start to __builtin_next_arg if the latter is
1425 builtin_decl_explicit_p rather than when it is not.
1428 * tree-vect-generic.c (vector_element): Perform multiplication
1429 for pos in bitsizetype type instead of idx type.
1431 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1433 Backport from 2012-03-28 mainline r185910.
1436 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1437 (avr_builtin_decl): New static function.
1438 (struct avr_builtin_description, avr_bdesc): Move up.
1439 Add GTY marker. Add field fndecl. Remove redundant field id.
1440 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1441 (avr_expand_builtin): Code cleanup because .id is removed.
1443 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1446 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1449 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1451 Backport from 2012-03-28 mainline r185907.
1454 * config.gcc (tm_file): Remove avr/multilib.h.
1456 * doc/invoke.texi (AVR Options): Adjust
1457 documentation of -mtiny-stack.
1459 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1460 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1461 * config/avr/t-avr: Remove generation of multilib.h.
1462 * config/avr/t-multilib: Regenerate.
1463 * config/avr/multilib.h: Remove.
1464 * config/avr/avr.opt (-msp8): New option.
1465 (avr_sp8): New variable.
1466 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1467 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1468 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1469 (avr_device_to_sp8): New prototype.
1470 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1471 (DRIVER_SELF_SPECS): New define.
1472 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1473 __AVR_SP8__, __AVR_HAVE_SPH__.
1474 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1475 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1476 (avr_file_start): Ditto.
1478 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1481 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1482 instead of 8 in adjust_address.
1484 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1486 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1487 of a unit before computing the offset in units.
1489 2012-03-27 Richard Guenther <rguenther@suse.de>
1492 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1495 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1498 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1500 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1503 * varasm.c: Include pointer-set.h.
1504 (pending_assemble_externals_set): New pointer set.
1505 (process_pending_assemble_externals): Destroy the pointer set.
1506 (assemble_external): See if decl is in pending_assemble_externals_set,
1507 and add it to pending_assemble_externals if necessary.
1508 (init_varasm_once): Allocate pending_assemble_externals_set.
1510 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1512 Backported from mainline
1513 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1516 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1517 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1518 (vector_ltgt<mode>): Likewise.
1519 (vector_ordered<mode>): Likewise.
1520 (vector_unordered<mode>): Likewise.
1521 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1523 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1525 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1528 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1530 Backported from mainline
1531 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1535 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1536 GENERAL_REGS and FP_REGS for SImode.
1538 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1541 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1542 on any new_local_var_chain vars declared during recursing on
1543 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1545 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1547 Backport from 2012-03-22 mainline r185692.
1550 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1551 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1552 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1553 (delay_cycles_1, delay_cycles_2): Ditto.
1554 (delay_cycles_3, delay_cycles_4): Ditto.
1555 (nopv, *nopv): Ditto.
1556 (sleep, *sleep): Ditto.
1559 Backport from 2012-03-21 mainline r185605.
1561 PR rtl-optimization/52543
1563 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1564 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1565 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1566 (avr_load_libgcc_p): Restrict to __flash loads.
1567 (avr_out_lpm): Only handle 1-byte loads from __flash.
1568 (avr_load_lpm): New function.
1569 (avr_find_unused_d_reg): Remove.
1570 (avr_out_lpm_no_lpmx): Remove.
1571 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1572 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1573 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1574 (load_<mode>, load_<mode>_clobber): New insns.
1575 (mov<mode>): For multi-byte move from non-generic
1576 16-bit address spaces: Expand to load_<mode> resp.
1577 load_<mode>_clobber.
1578 (load<mode>_libgcc): Remove expander.
1579 (split-lpmx): Remove split.
1581 Backport from 2012-03-13 mainline r185329.
1584 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1585 offset (size) to a value the insns can deal with.
1586 (expand_epilogue): Ditto.
1588 Backport from 2012-03-12 mainline r185256.
1591 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1592 type from reg_class_t to enum reg_class.
1593 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1595 Backport from 2012-03-12 mainline r185253.
1598 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1599 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1600 r184615 from 2012-02-28.
1602 Backport from 2012-03-08 mainline r185105.
1604 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1605 for constants in [-63,63].
1607 Backport from 2012-03-08 mainline r185100.
1610 * config/avr/avr.c (avr_mem_clobber): New static function.
1611 (avr_expand_delay_cycles): Add memory clobber operand to
1612 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1613 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1614 (enable_interrupt, disable_interrupt): New expander.
1615 (nopv, sleep, wdr): New expanders.
1616 (delay_cycles_1): Add memory clobber.
1617 (delay_cycles_2): Add memory clobber.
1618 (delay_cycles_3): Add memory clobber.
1619 (delay_cycles_4): Add memory clobber.
1620 (cli_sei): New insn from former "enable_interrupt",
1621 "disable_interrupt" with memory clobber.
1622 (*wdt): New insn from former "wdt" with memory clobber.
1623 (*nopv): Similar, but for "nopv".
1624 (*sleep): Similar, but for "sleep".
1626 Backport from 2012-03-07 mainline r185043.
1629 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1631 Backport from 2012-03-07 mainline r185032.
1634 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1635 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1636 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1638 Backport from 2012-03-07 mainline r185031.
1641 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1643 * config/avr/avr.md (xload_8): Adjust insn length.
1645 Backport from 2012-03-07 mainline r185030.
1648 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1649 if RAMPZ affects reading from RAM.
1651 Backport from 2012-03-05 mainline r184919.
1653 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1655 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1657 Backport from mainline r185259.
1660 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1661 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1663 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1665 Backported from mainline
1666 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1669 * c-parser.c (c_parser_postfix_expression)
1670 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1672 * config/i386/smmintrin.h: Avoid /* within a comment.
1673 * config/i386/nmmintrin.h: Likewise.
1675 2012-03-22 Richard Guenther <rguenther@suse.de>
1677 * BASE-VER: Set to 4.7.1.
1678 * DEV-PHASE: Set to prerelease.
1680 2012-03-22 Release Manager
1682 * GCC 4.7.0 released.
1684 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1686 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1688 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1689 Andrew Pinski <apinski@cavium.com>
1692 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1693 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1694 calls instead of __builtin_ir{int,ound}*.
1696 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1699 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1702 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1704 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1705 Refer to GCC 4.7 version of c99status.html.
1707 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1709 Backport from mainline
1710 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1712 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1713 redefine to be NULL if the current bit-size is different from the
1714 configured bit-size.
1716 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1717 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1718 set the default tuning. Add asserts to make sure the cpu and tune
1719 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1720 test whether the index is set, instead of > 0.
1721 (rs6000_file_start): Do not reset the default cpu if the current
1722 bit-size is different from the configured bit-size.
1724 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1726 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1728 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1729 Update binutils references.
1730 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1731 Update binutils reference.
1732 Update Sun as/GNU ld caveat.
1733 Document binutils largefile requirement for LTO plugin.
1734 Remove reference to alternate libpthread.
1736 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1738 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1740 (Specific, mips-sgi-irix6): Likewise.
1742 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1744 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1745 * configure: Regenerate.
1747 2012-03-07 Richard Henderson <rth@redhat.com>
1749 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1750 * config/m68k/sync.md (atomic_test_and_set): Use it.
1751 (atomic_test_and_set_1): Likewise.
1753 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1756 * Makefile.in: Let install-gcc-ar depend on installdirs,
1757 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1758 Don't double canonicalize if cross-compiling.
1760 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1762 * trans-mem.c: New typedef for tm_region_p.
1763 Define vector types for tm_region_p.
1764 (tm_region_init): Replace region_worklist to a vector called
1767 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1770 * trans-mem.c (tm_region_init): Use last_basic_block.
1772 2012-03-05 Richard Henderson <rth@redhat.com>
1775 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1776 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1777 BIGGEST_ALIGNMENT is aligned.
1779 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1781 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1783 2012-03-05 Richard Henderson <rth@redhat.com>
1786 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1787 instead of calling negqi2 directly.
1789 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1791 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1792 (INTMAX_TYPE): Use it.
1793 (UINTMAX_TYPE): Likewise.
1794 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1795 (irix6_c_common_override_options): Declare.
1796 (C_COMMON_OVERRIDE_OPTIONS): Define.
1797 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1798 * config/mips/irix6-c.c: New file.
1799 * config/mips/t-irix6 (irix6-c.o): New target.
1800 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1803 2012-03-02 Richard Henderson <rth@redhat.com>
1805 * optabs.c (expand_atomic_test_and_set): Honor
1806 atomic_test_and_set_trueval even when atomic_test_and_set
1807 optab is not in use.
1809 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1811 Backport from mainline
1812 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1814 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1816 2012-03-02 Richard Guenther <rguenther@suse.de>
1818 * DEV-PHASE: Set to prerelease.
1820 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1822 * config.gcc (obsolete): Add all ARM targets using the FPA.
1823 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1824 * doc/install.texi: Avoid references to obsolete ARM ports.
1826 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1828 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1830 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1831 Joern Rennecke <joern.rennecke@embecosm.com>
1833 * doc/extend.texi: Expand and update information on interrupt
1834 attribute for Epiphany.
1836 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1838 * config/sh/sh-protos.h: Update copyright notice dates.
1839 * config/sh/sh.h: Likewise.
1840 * config/sh/sh.md: Likewise.
1841 * config/sh/constraints.md: Likewise.
1842 * config/sh/predicates.md: Likewise.
1844 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1846 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1847 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1849 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1851 * config/sh/constraints.md: Fix comment typo.
1853 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1856 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1857 unsigned HOST_WIDE_INT.
1858 (zvdep_imm64): Likewise.
1859 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1860 (vdepi_and): Likewise.
1861 Likewise for unamed 64-bit patterns.
1862 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1864 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1867 PR rtl-optimization/52417
1868 * cselib.c (cselib_any_perm_equivs): New variable.
1869 (cselib_reset_table): Check that it's not set when not
1870 preserving constants.
1871 (cselib_add_permanent_equiv): Set it.
1872 (cselib_have_permanent_equivalences): New.
1873 (cselib_init, cselib_finish): Reset it.
1874 * cselib.h (cselib_have_permanent_equivalences): Declare.
1875 * alias.c (get_addr): Restore earlier behavior when there
1876 aren't permanent equivalences.
1878 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1880 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1881 * config/v850/v850-modes.def: Fix copyright notice.
1883 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1885 * doc/extend.texi (AVR Built-in Functions): Document
1886 __builtin_avr_flash_segment.
1888 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1889 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1890 (*split.flash_segment): New insn-and-split.
1891 * config/avr/avr.c (avr_init_builtins): Add local variables:
1892 const_memx_void_node, const_memx_ptr_type_node,
1893 char_ftype_const_memx_ptr.
1895 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1897 PR tree-optimization/52445
1898 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1899 add ssa_name_ver, offset and size fields and change store field
1901 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1902 (add_or_mark_expr): Likewise. Only consider previous stores
1903 with the same size and offset.
1904 (nt_init_block): Only look at gimple_assign_single_p stmts,
1905 doesn't look at rhs2.
1907 2012-03-01 Richard Guenther <rguenther@suse.de>
1910 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1911 conversions from integral types to pointer types.
1913 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1915 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1916 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1917 unintentionally removed in r184616.
1919 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1921 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1924 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1925 Uros Bizjak <ubizjak@gmail.com>
1928 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1929 alternatives, add "e" constraint to the new last alternative
1930 and ! to last 3 alternatives.
1932 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1934 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1935 DW_AT_artificial attributes at the end of the processing.
1936 (gen_array_type_die): Likewise.
1937 (gen_enumeration_type_die): Likewise.
1938 (gen_struct_or_union_type_die): Likewise.
1939 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1942 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1945 * expr.c (expand_assignment): If doing misaligned store that doesn't
1946 cover all mode bits, perform a RMW cycle.
1948 PR tree-optimization/52429
1949 * tree-parloops.c (separate_decls_in_region_debug): Return early
1950 if var is LABEL_DECL.
1952 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1954 PR tree-optimization/52424
1955 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1956 calling dom_thread_across_edge.
1958 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1960 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1962 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1964 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1965 * config/avr/avr.c (avr_output_bld): Remove unused function.
1966 (avr_out_sbxx_branch): Use "%T" to print bit position.
1968 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1970 * config/avr/avr.md: Untabify.
1972 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1974 * config/avr/avr.md (eqne): New code iterator.
1975 (*dec-and-branchsi): Use it in text peephole's condition.
1976 (*dec-and-branchhi): Ditto.
1977 (*dec-and-branchqi): Ditto.
1979 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1982 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1983 the device does not have the skip-bug.
1985 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1987 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1988 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1989 -mpretend-cmove): New.
1991 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1994 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1995 doesn't count DEBUG_INSN refs.
1996 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1997 for DEBUG_INSN refs.
1999 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2003 2012-02-20 Richard Guenther <rguenther@suse.de>
2004 PR tree-optimization/52298
2005 * tree-vect-stmts.c (vectorizable_load): Properly use
2006 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2009 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2012 * gimple.h (gimple_in_transaction): New.
2013 (gimple_set_in_transaction): New.
2014 (struct gimple_statement_base): Add in_transaction field.
2015 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2017 (tree_ssa_lim_initialize): Compute transaction bits.
2018 * tree.h (compute_transaction_bits): Protoize.
2019 * trans-mem.c (tm_region_init): Use the heap to store BB
2021 (compute_transaction_bits): New.
2023 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2025 * gcc.c (display_help): Document --help=common and sort entries
2028 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2030 * doc/install.texi: Document check-$LANG specific shortcuts
2032 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2035 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2037 * config/arm/arm_neon.h: Regenerate.
2038 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2039 (neon_vcgeu): New insn.
2040 (neon_vcgtu): Likewise.
2041 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2042 (ops): Unsigned comparison intrinsics call a different
2045 2012-02-28 Richard Guenther <rguenther@suse.de>
2048 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2049 ordering for the VEC_CONCAT for two element vectors for
2050 V2SFmode, V2SImode and V2DImode.
2052 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2055 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2056 detecting big-endian triplets.
2058 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2060 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2061 mode if there is no type information available.
2063 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2065 PR tree-optimization/53207
2066 * doc/invoke.texi: Document as experimental and relying on graphite.
2068 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2070 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2071 of initializer to changes from r184614.
2073 2012-02-28 Richard Guenther <rguenther@suse.de>
2075 PR tree-optimization/52395
2076 * tree-sra.c (build_ref_for_offset): Also look at the base
2077 TYPE_ALIGN when figuring out the alignment of the replacement.
2079 2012-02-28 Richard Guenther <rguenther@suse.de>
2081 PR tree-optimization/52402
2082 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2083 mis-aligned types when creating the accesses at the call site.
2085 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2087 * config/avr/builtins.def: New file.
2088 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2089 * config/avr/avr.c (enum avr_builtin_id): Use it.
2090 (avr_init_builtins): Use it. And use avr_bdesc.
2091 (bdesc_1arg): Remove.
2092 (bdesc_2arg): Remove.
2093 (bdesc_3arg): Remove.
2094 (struct avr_builtin_description): Add field n_args.
2095 (avr_bdesc): New static variable using builtins.def.
2096 (avr_expand_builtin): Use it.
2097 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2098 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2099 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2101 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2104 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2105 match only one single hard register with respective hard reg rtx.
2106 (movmemx_<mode>): Ditto.
2107 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2108 insn anatomy of movmem[x]_<mode>.
2109 (avr_out_movmem): Same for printing assembler and operand usage.
2111 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2115 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2116 address spaces located outside of device flash.
2118 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2119 (mcu_type_s): Add field n_flash.
2120 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2121 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2122 (AVR_MCU): Add N_FLASH argument.
2123 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2124 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2125 macro __FLASH<n> if that address space makes sense for the device.
2126 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2127 outside of target flash.
2128 (avr_asm_named_section): Ditto.
2129 (avr_asm_select_section): Ditto.
2130 (avr_addr_space_convert): Ditto.
2131 (avr_emit_movmemhi): Ditto.
2132 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2133 address space is outside of device flash.
2134 (avr_insert_attributes): Ditto.
2135 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2136 avr_current_arch->n_segments.
2138 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2141 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2143 (*movabs<mode>_2): Likewise.
2145 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2148 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2149 s_register_operand in the test instead of REG_P. Don't call
2150 gen_reg_rtx if it won't be used.
2152 PR tree-optimization/52376
2153 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2155 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2157 * ifcvt.c (noce_get_condition): Check condition variable is not
2158 small_register_classes_for_mode_p before accepting.
2160 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2162 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2164 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2167 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2168 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2170 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2172 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2174 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2176 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2178 * config/sh/predicates.md: Remove blank lines.
2179 * config/sh/sh.c: Fix typos in comments.
2180 * config/sh/constraints.md: Likewise.
2181 * config/sh/sh.md: Remove blank lines.
2182 Fix typos in comments. Use ;; as comment characters.
2184 2012-02-26 Walter Lee <walt@tilera.com>
2186 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2187 (replace_mov_pcrel_step2): Ditto.
2189 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2192 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2193 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2194 and locs that reference values newer than the non-canonical value
2195 at hand. Return the canonical value as a worst case.
2196 (memrefs_conflict_p): Walk canonical value's locs.
2199 * cselib.c (preserve_only_constants): Rename to...
2200 (preserve_constants_and_equivs): ... this. Split out...
2201 (invariant_or_equiv_p): ... this. Preserve plus expressions
2202 of other preserved expressions too.
2203 (cselib_reset_table): Adjust.
2204 * var-tracking.c (reverse_op): Use canonical value to build
2207 2012-02-23 Kai Tietz <ktietz@redhat.com>
2209 * config/i386/i386.c (ix86_delegitimize_address): Handle
2210 UNSPEC_PCREL plus displacement.
2212 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2215 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2216 to test for unusedness in st X addressing.
2218 2012-02-24 Richard Guenther <rguenther@suse.de>
2221 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2222 (is_gimple_reg_type): Move inline ...
2223 * gimple.h (is_gimple_reg_type): ... here.
2225 2012-02-24 Richard Guenther <rguenther@suse.de>
2228 * passes.c (execute_function_todo): When verifying SSA form
2229 verify gimple form first.
2230 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2232 2012-02-24 Richard Guenther <rguenther@suse.de>
2235 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2236 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2238 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2240 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2242 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2244 * tree-phinodes.c (make_phi_node): Mark static.
2245 * tree-flow.h (make_phi_node): Remove extern decl.
2246 * doc/gimple.texi (make_phi_node): Remove documentation.
2248 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2250 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2251 * tree-ssa-sccvn.c (print_scc): Ditto.
2253 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2255 * doc/passes.texi (Full redundancy elimination): Fix typo.
2257 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2259 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2261 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2264 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2266 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2269 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2271 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2273 * config/avr/avr.md (code_stdname): Add ior, xor.
2274 (xior): New code iterator.
2275 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2276 (*<code_stdname><mode>qi.byte1-3): Ditto.
2278 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2280 PR tree-optimization/52019
2281 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2284 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2286 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2287 HAVE_INITFINI_ARRAY to work around namespace pollution in
2288 certain versions of newlib system headers.
2289 * config.in: Regenerate.
2290 * configure: Regenerate.
2291 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2292 instead of HAVE_INITFINI_ARRAY.
2294 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2297 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2298 is not offsettable memory reference.
2300 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2303 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2304 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2306 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2308 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2309 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2311 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2313 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2314 library on Solaris 8 even without TLS support.
2315 * configure: Regenerate.
2317 2012-02-22 Richard Guenther <rguenther@suse.de>
2320 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2321 for GIMPLE_DEBUG stmts.
2323 2012-02-22 Martin Jambor <mjambor@suse.cz>
2326 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2327 according to the base object.
2329 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2331 PR rtl-optimization/50063
2332 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2333 and 2 (8-bit SP) in operand 2.
2334 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2335 setup to use movhi_sp_r instead of vanilla move to write SP.
2336 Adjust REG_CFA notes to superseed unspec.
2337 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2339 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2340 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2341 irq_state 1 (IRQ known to be on) here.
2343 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2345 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2347 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2348 assign_hard_reg): Likewise.
2350 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2352 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2354 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2357 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2358 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2360 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2362 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2363 prototype from here to...
2364 * config/avr/avr.h: ...here.
2366 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2369 * thumb2.md (thumb2_shiftsi3_short): Split register and
2370 immediate shifts. For register shifts tie operands 0 and 1.
2371 (peephole2 for above): Check that register-controlled shifts
2372 have suitably tied operands.
2374 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2377 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2378 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2379 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2380 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2381 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2382 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2383 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2384 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2385 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2386 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2387 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2388 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2389 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2390 bdver1_ssevector_avx256_unaligned_load,
2391 bdver1_ssevector_sse128_unaligned_load,
2392 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2393 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2394 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2395 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2396 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2397 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2398 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2399 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2400 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2401 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2402 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2403 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2404 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2405 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2406 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2407 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2408 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2409 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2410 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2411 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2412 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2413 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2414 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2415 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2416 bdver1_ssediv_double_load, bdver1_ssediv_double,
2417 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2418 Add "bdver2" attribute.
2420 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2422 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2423 default if possible and not specified otherwise.
2425 2012-02-21 Richard Guenther <rguenther@suse.de>
2428 * gimplify.c (create_tmp_from_val): Use the main variant type
2429 for the type of the temporary we create.
2431 2012-02-21 Richard Guenther <rguenther@suse.de>
2433 PR tree-optimization/52324
2434 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2435 do not gimplify a MEM_REF address operand if it is already
2438 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2440 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2441 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2443 2012-02-21 Richard Guenther <rguenther@suse.de>
2445 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2446 nested_in_vect_loop.
2448 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2450 PR tree-optimization/52318
2451 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2452 vdef also to non-pure/const call stmts in the sequence.
2454 2012-02-20 David S. Miller <davem@davemloft.net>
2456 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2457 don't use the "rd %pc" instruction on v9 for PIC register loads.
2459 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2462 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2463 in a transaction safe function.
2465 2012-02-20 Kai Tietz <ktietz@redhat.com>
2468 * stor-layout.c (place_field): Handle desired_align for
2471 2012-02-20 Richard Guenther <rguenther@suse.de>
2473 PR tree-optimization/52298
2474 * tree-vect-stmts.c (vectorizable_store): Properly use
2475 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2477 (vectorizable_load): Likewise.
2478 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2479 Access DR_STEP after ensuring it is not NULL.
2481 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2483 PR tree-optimization/52286
2484 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2485 optimization use double_int_to_tree instead of build_int_cst_wide,
2486 rewrite to use double_int vars.
2488 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2491 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2493 Remove -e 0 from $gcc_cv_ld invocation.
2494 Only use __GLIBC_PREREQ if defined.
2495 Enable on Solaris since Solaris 8 patch.
2496 (gcc_SUN_LD_VERSION): New macro.
2497 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2498 gcc_SUN_LD_VERSION for version number format.
2499 * configure: Regenerate.
2500 * varasm.c (get_elf_initfini_array_priority_section): Set
2501 SECTION_NOTYPE for non-default priority.
2502 Use get_section instead of get_unnamed_section to emit
2503 .init_array/.fini_array with default priority.
2505 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2507 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2508 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2509 (mips_start_unique_function, mips_output_mips16_rdhwr)
2510 (mips_code_end): New functions.
2511 (TARGET_ASM_CODE_END): Define.
2513 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2515 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2516 to stubs with non-sibling calls.
2518 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2520 * doc/invoke.texi (-fira-* options): Copy-edit.
2521 (ira-* parameters): Copy-edit.
2523 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2525 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2526 GCC coding conventions.
2528 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2530 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2531 when used as adjectives.
2533 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2535 * doc/invoke.texi: Clean up "that"/"which" confusion.
2537 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2539 * system.h: Poison SMALL_REGISTER_CLASSES
2540 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2541 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2543 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2545 PR tree-optimization/52285
2546 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2547 when deciding if a call is a tail call or tail recursion.
2549 2012-02-16 Kai Tietz <ktietz@redhat.com>
2551 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2552 interger-constant displacement for UNSPEC_PCREL.
2554 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2556 PR rtl-optimization/52208
2557 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2558 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2560 PR tree-optimization/52255
2561 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2562 loop->header has virtual PHI, but exit_e->dest doesn't, add
2563 virtual PHI to exit_e->dest and adjust all uses after the loop.
2566 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2567 children with clone_tree_hash, not after it.
2569 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2571 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2572 extended identifiers.
2574 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2577 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2578 a same_body_alias, also test whether e->callee isn't a former
2579 or current clone of the decl this is a same body alias of.
2581 PR translation/52264
2582 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2584 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2586 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2588 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2591 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2592 force_reg instead of copy_to_reg for better optimization. Force
2593 non-register or memory operands into a register.
2595 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2597 * extend.texi: Reserve upper bits of memory model for future use.
2599 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2600 Anatoly Sokolov <aesok@post.ru>
2601 Eric Weddington <eric.weddington@atmel.com>
2604 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2605 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2606 Rewrite initializers for .macro.
2607 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2608 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2609 atxmega32d4, atxmega32x1.
2610 avrxmega4: atxmega64a3, atxmega64d3.
2611 avrxmega5: atxmega64a1, atxmega64a1u.
2612 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2613 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2614 avrxmega7: atxmega128a1, atxmega128a1u.
2615 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2616 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2617 (struct base_arch_s): Rename reserved to xmega_p.
2618 Rename reserved2 to have_rampd.
2619 (AVR_XMEGA): New define.
2620 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2621 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2622 * config/avr/predicates.md (io_address_operand): Take into
2624 (low_io_address_operand): Ditto.
2625 (high_io_address_operand): Ditto.
2626 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2627 (enabled, movhi_sp_r): Use them.
2628 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2629 cpp_define_formatted to built-in define __AVR_ARCH__.
2630 (__AVR_XMEGA__): New built-in define.
2631 (__AVR_HAVE_RAMPD__): New built-in define.
2632 (__AVR_HAVE_RAMPX__): New built-in define.
2633 (__AVR_HAVE_RAMPY__): New built-in define.
2634 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2636 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2637 (avr_option_override): Initialize them.
2638 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2639 (avr_init_expanders): Initialize them. No more block several calls.
2640 (emit_push_sfr): New static function.
2641 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2643 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2644 (avr_print_operand): Print addreeses as symbols for
2645 RAMPX, RAMPY, RAMPD, CCP.
2646 (output_movhi): Handle AVR_XMEGA when writing to SP.
2647 (avr_out_movhi_mr_r_xmega): New static function.
2648 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2649 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2650 __RAMPD__, __CCP__ as needed.
2652 * config/avr/multilib.h: Regenerate.
2653 * config/avr/t-multilib: Regenerate.
2654 * config/avr/avr-tables.opt: Regenerate.
2656 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2658 PR tree-optimization/50561
2659 * graphite-flattening.c (lst_project_loop): Do not
2660 remove old scattering dimensions after flattening.
2661 (lst_do_flatten): Likewise.
2663 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2665 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2666 __builtin_avr_map8, __builtin_avr_map16.
2667 Document __builtin_avr_insert_bits.
2669 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2670 (insert_bits): New insn.
2671 (adjust_len.map_bits): Rename to insert_bits.
2672 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2673 * avr-protos.h (avr_out_map_bits): Remove.
2674 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2675 * config/avr/constraints.md (Cxf,C0f): New.
2676 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2677 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2678 New built-in define __BUILTIN_AVR_INSERT_BITS.
2679 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2680 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2681 (avr_move_bits): Rewrite.
2682 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2684 (avr_map_op_t): New typedef.
2685 (avr_map_op): New static variable.
2686 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2687 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2688 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2689 (bdesc_3arg, avr_expand_triop_builtin): New.
2690 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2691 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2692 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2693 (avr_map_equal_p, avr_map_sig_p): Remove.
2694 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2695 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2696 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2697 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2698 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2699 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2701 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2703 * config/c6x/c6x.md (reserve_cycles): New attribute.
2704 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2705 don't reserve functional units after the branch occurs.
2707 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2710 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2711 functions into non-tm_pure functions.
2713 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2716 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2717 (iterative_hash_canonical_type): Likewise.
2718 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2721 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2723 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2724 sched-group insn, it either remains alone or the entire list is pruned.
2726 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2728 * doc/install.texi (Prerequisites): Fix grammar.
2729 (Configuration): Likewise.
2731 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2733 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2734 MPC as part of GCC before describing configuring with --with-gmp etc.
2735 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2736 sources are present.
2738 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2741 * dwarf2out.c (clone_tree_hash): New function.
2742 (copy_decls_walk): Use it instead of clone_tree.
2744 2012-02-14 Richard Guenther <rguenther@suse.de>
2746 PR tree-optimization/52244
2747 PR tree-optimization/51528
2748 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2749 replacements for integral types.
2751 2012-02-14 Walter Lee <walt@tilera.com>
2753 * config.gcc: Handle tilegx and tilepro.
2754 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2756 Add HAVE_AS_TLS check for tilegx and tilepro.
2757 * configure: Regenerate.
2758 * doc/contrib.texi: Add Mat Hostetter and self.
2759 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2760 Document instruction intrinsics and network accessing intrinsics.
2761 (TILEPro Built-in Functions): New node. Document instruction
2762 intrinsics and network accessing intrinsics.
2763 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2764 (Specific, tilepro-*-linux*): Likewise.
2765 * doc/invoke.texi (TILE-Gx Options): New section.
2766 (TILEPro Options): New section.
2767 * doc/md.texi (TILE-Gx): New section.
2768 (TILEPro): New section.
2769 * common/config/tilegx/tilegx-common.c: New file.
2770 * common/config/tilepro/tilepro-common.c: New file.
2771 * config/tilegx/constraints.md: New file.
2772 * config/tilegx/linux.h: New file.
2773 * config/tilegx/mul-tables.c: New file.
2774 * config/tilegx/predicates.md: New file.
2775 * config/tilegx/sync.md: New file.
2776 * config/tilegx/t-tilegx: New file.
2777 * config/tilegx/tilegx-builtins.h: New file.
2778 * config/tilegx/tilegx-c.c: New file.
2779 * config/tilegx/tilegx-generic.md: New file.
2780 * config/tilegx/tilegx-modes.def: New file.
2781 * config/tilegx/tilegx-multiply.h: New file.
2782 * config/tilegx/tilegx-protos.h: New file.
2783 * config/tilegx/tilegx.c: New file.
2784 * config/tilegx/tilegx.h: New file.
2785 * config/tilegx/tilegx.md: New file.
2786 * config/tilegx/tilegx.opt: New file.
2787 * config/tilepro/constraints.md: New file.
2788 * config/tilepro/gen-mul-tables.cc: New file.
2789 * config/tilepro/linux.h: New file.
2790 * config/tilepro/mul-tables.c: New file.
2791 * config/tilepro/predicates.md: New file.
2792 * config/tilepro/t-tilepro: New file.
2793 * config/tilepro/tilepro-builtins.h: New file.
2794 * config/tilepro/tilepro-c.c: New file.
2795 * config/tilepro/tilepro-generic.md: New file.
2796 * config/tilepro/tilepro-modes.def: New file.
2797 * config/tilepro/tilepro-multiply.h: New file.
2798 * config/tilepro/tilepro-protos.h: New file.
2799 * config/tilepro/tilepro.c: New file.
2800 * config/tilepro/tilepro.h: New file.
2801 * config/tilepro/tilepro.md: New file.
2802 * config/tilepro/tilepro.opt: New file.
2804 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2806 PR tree-optimization/52210
2807 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2808 vect_model_simple_cost with two entry vect_def_type array instead
2809 of an address of dt.
2811 2012-02-14 Richard Guenther <rguenther@suse.de>
2814 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2815 Do not stream DECL_QUALIFIER.
2816 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2817 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2818 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2820 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2823 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2826 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2829 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2830 * cselib.c (cselib_subst_to_values_from_insn): New function.
2831 * sched-deps.c (add_insn_mem_dependence,
2832 sched_analyze_1, sched_analyze_2): Use it.
2834 2012-02-13 Jan Hubicka <jh@suse.cz>
2837 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2839 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2841 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2842 (GTM_SELF_SPECS): Define if not already defined.
2843 (driver_self_specs): Add GTM_SELF_SPECS.
2844 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2845 (GTM_SELF_SPECS): Define.
2846 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2847 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2849 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2851 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2854 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2857 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2858 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2860 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2863 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2865 2012-02-13 Richard Guenther <rguenther@suse.de>
2867 PR translation/52211
2868 * passes.c (enable_disable_pass): Fix typo.
2870 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2873 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2874 XOR for reduce_bit_field if type is unsigned.
2876 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2878 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2879 disallow changes from SFmode to mode with different size in FP regs.
2881 2012-02-12 Robert Millan <rmh@gnu.org>
2882 Gerald Pfeifer <gerald@pfeifer.com>
2884 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2887 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2889 PR rtl-optimization/52175
2890 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2891 to frame-related instructions.
2893 2012-02-10 Jason Merrill <jason@redhat.com>
2896 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2897 (demangle_new_symbols): Fill it.
2898 (scan_linker_output): Walk it.
2899 (start_tweaking): Split out from scan_linker_output.
2900 (maybe_tweak): Update sym->chosen.
2901 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2903 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2906 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2908 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2910 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2911 having the same mode as previous compare.
2913 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2915 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2916 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2917 (nonlocal_goto_internal): Likewise.
2918 (nonlocal_goto): Emit a use and an indirect jump directly.
2920 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2923 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2924 __atomic_{is,always}_lock_free.
2926 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2929 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2930 negative constant address for x32.
2932 2012-02-10 Richard Henderson <rth@redhat.com>
2934 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2935 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2936 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2938 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2939 Ira Rosen <irar@il.ibm.com>
2941 PR tree-optimization/50031
2942 * targhooks.c (default_builtin_vectorization_cost): Handle
2944 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2945 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2946 all types of reduction and pattern statements.
2947 (vect_estimate_min_profitable_iters): Likewise.
2948 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2949 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2950 for explicit realigns.
2951 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2952 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2954 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2955 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2956 vec_perm for VSX and handle vec_promote_demote.
2958 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2961 * builtins.c (fold_builtin_atomic_always_lock_free,
2962 expand_builtin_atomic_always_lock_free,
2963 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2964 Return and/or test boolean_true_node/boolean_false_node instead of
2965 integer_one_node/integer_zero_node.
2967 2012-02-10 Jan Hubicka <jh@suse.cz>
2970 * predict.c (predict_paths_for_bb): Prevent looping.
2971 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2973 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2975 * config/arm/arm.c (output_move_double): In one case properly
2976 count number of instructions that will be emitted.
2978 2012-02-10 Richard Guenther <rguenther@suse.de>
2980 PR translation/52193
2981 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2983 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2986 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2988 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2991 * var-tracking.c (emit_note_insn_var_location): If
2992 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2993 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2994 non-NOTE_DURING_CALL_P insn.
2996 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2999 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3001 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3004 * gcc.c (switch_matches) Support switches with separated form,
3007 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3009 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3011 (RAMPZ_ADDR): Ditto.
3012 * config/avr/avr.c (avr_addr_t): New typedef.
3013 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3014 (avr_init_expanders): Initialize it.
3015 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3017 (expand_epilogue): Ditto.
3018 (avr_print_operand): Ditto.
3019 (avr_file_start): Ditto.
3020 (avr_emit_movmemhi): Ditto.
3022 2012-02-08 Richard Guenther <rguenther@suse.de>
3024 PR tree-optimization/46886
3025 * tree-flow.h (do_while_loop_p): Declare.
3026 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3027 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3029 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3031 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3032 always succeed for integers larger than a native word.
3034 2012-02-08 Richard Guenther <rguenther@suse.de>
3036 PR rtl-optimization/52170
3037 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3038 properly handle integer vector modes.
3040 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3042 PR gcov-profile/52150
3043 * coverage.c: Include target.h.
3044 (build_var): Call targetm.strip_name_encoding on the assembler name.
3045 Change one _ into . or $ if the target allows it.
3046 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3048 PR rtl-optimization/52139
3049 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3050 is a BARRIER after emit_insn_after_noloc, move BB_END
3051 to the last non-BARRIER insn before it.
3053 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3056 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3057 (mips_gimplify_va_arg_expr): Call it instead of
3058 std_gimplify_va_arg_expr.
3060 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3062 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3063 message for -mno-pointers-to-nested-function.
3065 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3068 * expr.c (get_inner_reference): If there is an offset, add a negative
3069 bit position to it (if any).
3071 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3073 PR rtl-optimization/52060
3074 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3075 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3076 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3077 and/or i0src_copy2 when needed.
3079 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3081 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3082 or LTOPLUGINSONAME if have_c.
3084 * config/freebsd-spec.h: Add comment about what macros can be defined
3086 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3087 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3090 2012-02-07 Richard Guenther <rguenther@suse.de>
3092 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3093 newline in -alias dumps.
3095 2012-02-07 Kai Tietz <ktietz@redhat.com>
3096 Dave Korn <dave.korn.cygwin@gmail.com>
3099 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3100 Take care that typinfo gets dllexport-attribute.
3102 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3105 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3106 if modifier < EXPAND_SUM call force_operand on the result.
3108 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3110 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3111 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3113 (epiphany_function_type): Replace types for specific interrupts with
3114 EPIPHANY_FUNCTION_INTERRUPT.
3115 (EPIPHANY_INTERRUPT_P): Update.
3116 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3117 New static function.
3118 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3119 <disinterrupt>: Affects type identity.
3120 (epiphany_handle_interrupt_attribute): Handle variable number of
3122 (epiphany_compute_function_type): Update for new
3123 epiphany_function_type definition.
3124 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3125 handlers with a longcall forwarder.
3126 (epiphany_start_function): Handle multiple interrupt arguments and/or
3127 forwarder_section attribute.
3129 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3132 2012-02-07 Alan Modra <amodra@gmail.com>
3135 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3138 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3140 PR tree-optimization/50969
3141 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3142 use vec_perm rather than vector_stmt.
3143 (vect_model_load_cost): Likewise.
3144 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3145 vec_perm to be the same as other vector statements.
3146 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3147 cost of vec_perm for TARGET_VSX.
3149 2012-02-06 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/52115
3152 * tree-sra.c (access_has_replacements_p): New function.
3153 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3155 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3158 * trans-mem.c (expand_call_tm): Add an assertion.
3159 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3162 2012-02-06 Richard Guenther <rguenther@suse.de>
3164 PR tree-optimization/50955
3165 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3166 raise cost of expressions that replace an address with an
3167 expression based on a different pointer.
3169 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3172 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3173 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3175 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3178 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3179 -Weffc++ and specify guidelines come from second edition.
3181 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3183 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3184 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3185 (call_direct_split, call_value_split, call_value_internal_direct)
3186 (call_value_direct_split, call_value_multiple_split): Use jal and
3187 jal_macro attributes.
3189 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3191 * reload1.c (reload_regs_reach_end_p): Replace with...
3192 (reload_reg_rtx_reaches_end_p): ...this function.
3193 (new_spill_reg_store): Update commentary.
3194 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3195 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3196 before setting new_spill_reg_store.
3197 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3198 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3199 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3200 for non-spill reload registers.
3202 2012-02-05 Ira Rosen <irar@il.ibm.com>
3204 PR tree-optimization/52091
3205 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3206 (vect_is_simple_use_1): Likewise.
3207 * tree-vect-loop.c (vectorizable_reduction): Update calls
3208 to vect_is_simple_use_1 and vect_is_simple_use.
3209 (vectorizable_live_operation): Likewise.
3210 * tree-vect-patterns.c (widened_name_p,
3211 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3212 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3213 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3214 vectorizable_shift,vectorizable_operation, vectorizable_store,
3215 vectorizable_load): Likewise.
3216 (vect_is_simple_cond): Add an argument, pass it to
3217 vect_is_simple_use_1.
3218 (vectorizable_condition): Update calls to vect_is_simple_cond,
3220 (vect_is_simple_use): Add an argument, the statement in which
3221 OPERAND is used. Check that if OPERAND's def stmt is a double
3222 reduction phi node, the use is a phi node too.
3223 (vect_is_simple_use_1): Add an argument, pass it to
3225 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3226 to vect_is_simple_use.
3228 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3230 PR rtl-optimization/52095
3231 * modulo-sched.c (dump_insn_locator): New function.
3232 (loop_canon_p, sms_schedule): Use it.
3234 PR rtl-optimization/52113
3235 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3236 even for decomposable shift/zext insns.
3238 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3239 Zdenek Dvorak <ook@ucw.cz>
3241 PR rtl-optimization/52092
3242 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3243 on get_iv_value result.
3245 2012-02-02 Andrew Pinski <apinski@cavium.com>
3249 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3251 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3254 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3256 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3258 PR rtl-optimization/49800
3259 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3260 (sched_finish): Call regstat_free_n_sets_and_refs.
3262 2012-02-02 Jia Liu <proljc@gmail.com>
3264 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3267 2012-02-02 Jan Hubicka <jh@suse.cz>
3268 Tom de Vries <tom@codesourcery.com>
3271 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3272 * varpool.c (varpool_analyze_pending_decls): Likewise.
3274 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3275 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3277 * config.gcc: Add cr16-* support.
3279 * doc/extend.texi: Document cr16 extensions.
3280 * doc/install.texi: Document cr16 install.
3281 * doc/invoke.texi: Document cr16 options.
3282 * doc/md.texi: Document cr16 constraints.
3284 * common/config/cr16/cr16-common.c: New file.
3285 * config/cr16/cr16.c: New file.
3286 * config/cr16/cr16.h: New file.
3287 * config/cr16/cr16.md: New file.
3288 * config/cr16/cr16.opt: New file.
3289 * config/cr16/cr16-protos.h: New file.
3290 * config/cr16/predicates.md: New file.
3291 * config/cr16/constraints.md: New file.
3292 * config/cr16/t-cr16: New file.
3294 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3297 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3298 that operands[2] is either immediate, or q_regs_operand.
3300 PR tree-optimization/52073
3301 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3302 a pattern stmt for pattern uses, ignore uses outside of the loop.
3304 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3306 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3307 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3308 (OUT_AS1, OUT_AS2): Remove.
3310 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3312 PR rtl-optimization/51374
3313 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3314 to cross other volatile_refs_p insns.
3316 2012-02-01 Richard Guenther <rguenther@suse.de>
3318 * doc/invoke.texi (fno-inline): Clarify documentation.
3319 (finline-small-functions): Likewise.
3320 (finline-functions): Likewise.
3321 * common.opt (finline): Adjust comment and documentation.
3322 (finline-small-functions): Clarify documentation.
3323 (finline-functions): Likewise.
3324 (finline-functions-called-once): Likewise.
3326 2012-02-01 Tristan Gingold <gingold@adacore.com>
3328 * c-typeck.c (composite_type): Keep mode for pointers.
3330 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3332 * function.h (regno_reg_rtx): Adjust comment.
3333 * reginfo.c (init_reg_modes_target): Only use the previous mode
3334 if it fits within one register. Remove MIPS comment.
3336 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3339 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3341 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3343 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3344 to srak instruction.
3346 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3348 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3350 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3355 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3357 2012-01-31 Richard Guenther <rguenther@suse.de>
3359 PR tree-optimization/51528
3360 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3363 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3368 * ree.c (add_removable_extension): Change def_map argument
3369 to unsigned *, store in def_map 1 + offset into *insn_list vector
3370 instead of pointers into the vector.
3371 (find_removable_extensions): Adjust caller.
3373 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3375 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3376 Transform all "* quoted-c-code" to { c-code }.
3377 Remove redundant test for "optimize" in combine patterns.
3378 Move (include "avr-dimode.md") to end of file.
3380 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3383 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3384 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3386 2012-01-30 Richard Guenther <rguenther@suse.de>
3388 PR tree-optimization/52028
3389 * tree-loop-distribution.c (ldist_gen): Properly update
3392 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3395 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3396 set_cur_line_info_table if not emitting debug info.
3398 PR tree-optimization/52046
3399 * tree-vect-patterns.c (check_bool_pattern): Give up if
3400 a comparison could throw.
3403 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3405 2012-01-30 Richard Guenther <rguenther@suse.de>
3407 PR tree-optimization/52045
3408 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3409 SSA form if cfgcleanup did anything.
3411 2012-01-30 Richard Guenther <rguenther@suse.de>
3413 PR tree-optimization/52045
3414 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3415 before computing final todo.
3417 2012-01-30 Richard Guenther <rguenther@suse.de>
3419 PR tree-optimization/51528
3420 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3423 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3425 * df-problems.c (df_kill_notes): Check that the use refers
3426 to the note under examination.
3428 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3431 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3432 parameter and use short-lived pseudos.
3433 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3434 (sparc_expand_vector_init): Const-ify local variables and adjust
3435 calls to above functions.
3437 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3439 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3441 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3443 * doc/invoke.texi: Make usage of "compile time" and
3444 "run time"/"runtime" consistent throughout the file.
3446 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3448 * config/alpha/alpha.c (alpha_option_override): Default to
3449 full IEEE compliance mode for Go language.
3451 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3453 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3454 (LINK_SSP_SPEC): Define.
3456 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3459 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3462 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3464 * doc/invoke.texi: Correct hyphenation of "floating point",
3465 "double precision", and related terminology throughout the file.
3467 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3470 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3471 arm_general_register_operand predicate for operand 2 instead of
3474 2012-01-27 Ian Lance Taylor <iant@google.com>
3477 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3478 * builtins.c (expand_builtin_init_trampoline): Add onstack
3479 parameter. Change caller.
3480 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3481 * tree.c (build_common_builtin_nodes): Declare
3482 __builtin_init_heap_trampoline.
3484 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3486 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3487 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3488 * config/avr/avr.c: Ditto.
3489 (avr_regnames): Remove because unused.
3490 * config/avr/avr.md (*cpse.ne): New peephole.
3491 (*cpse.eq): New peephole from former cpse peepholes.
3493 2012-01-27 Michael Eager <eager@eagercon.com>
3495 * config/microblaze.c (microblaze_emit_compare): Correct
3496 test after pcmp instruction.
3498 2012-01-27 Richard Guenther <rguenther@suse.de>
3500 PR tree-optimization/52020
3501 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3503 2012-01-27 Richard Guenther <rguenther@suse.de>
3505 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3506 function non-const/pure.
3508 2012-01-27 Richard Guenther <rguenther@suse.de>
3510 PR tree-optimization/50444
3511 * tree-sra.c (build_ref_for_offset): Properly adjust the
3512 MEM_REF type for unaligned accesses.
3514 2012-01-27 Richard Guenther <rguenther@suse.de>
3516 PR tree-optimization/50444
3517 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3518 (expand_assignment): Use it. Properly handle misaligned
3519 bases when expanding stores to component references.
3520 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3523 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3526 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3527 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3528 * tree-data-ref.c (find_data_references_in_loop): Make static.
3529 (compute_all_dependences): Change return type to bool. Bail out
3530 for too many datarefs in a loop. Move the hunk resetting the data
3531 dependences vector from ...
3532 (compute_data_dependences_for_loop): ... here. Account for
3533 compute_all_dependences returning false.
3534 (compute_data_dependences_for_bb): Likewise.
3535 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3536 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3538 2012-01-27 Richard Guenther <rguenther@suse.de>
3541 * expr.c (store_field): Use the alias-set of the scratch memory
3544 2012-01-27 Tom de Vries <tom@codesourcery.com>
3546 PR tree-optimization/51990
3547 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3549 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3551 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3554 * var-tracking.c (reverse_op): Don't add any reverse operation
3555 if V already has any constant locations.
3557 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3559 * doc/invoke.texi: Correct usage of "command line" (noun)
3560 vs "command-line" (adjective) throughout.
3562 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3564 * doc/invoke.texi (Language Independent Options): Move
3565 -Wcoverage-mismatch blurb from here....
3566 (Warning Options): ...to here.
3568 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3570 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3571 Set rs6000_always_hint to false for 476.
3573 2012-01-27 Matthias Klose <doko@ubuntu.com>
3575 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3577 * incpath.c (add_standard_paths): Likewise.
3579 2012-01-27 Richard Henderson <rth@redhat.com>
3581 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3582 * config/m68k/sync.md (atomic_test_and_set): Rename from
3583 sync_test_and_setqi and adjust the operands.
3584 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3585 and unconditionally enable.
3587 2012-01-27 Richard Henderson <rth@redhat.com>
3589 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3590 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3591 (ldstub): Rename from ldstubqi.
3592 (ldstub<I24MODE>): Remove.
3594 2012-01-27 Richard Henderson <rth@redhat.com>
3596 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3597 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3598 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3599 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3600 * doc/tm.texi: Rebuild.
3602 2012-01-27 Richard Henderson <rth@redhat.com>
3604 * optabs.c (gen_atomic_test_and_set): Remove default.
3605 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3607 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3609 PR rtl-optimization/51978
3610 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3611 (combine_reaching_defs): Likewise.
3612 (struct re_info): Remove.
3613 (add_removable_extension): Remove x and data arguments,
3614 add insn, insn_list and def_map. Use the arguments directly
3615 instead of using struct re_info.
3616 (find_removable_extensions): Don't call add_removable_extension
3617 through note_stores, instead just call it with single_set
3619 (find_and_remove_re): Pass curr_cand->expr instead of
3620 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3622 2012-01-26 Michael Matz <matz@suse.de>
3624 PR tree-optimization/46590
3625 * cfgexpand.c: Revert last change (r183305).
3626 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3628 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3629 checking for emptiness.
3631 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3634 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3635 non-addressable non-BLKmode base correctly.
3637 2012-01-26 Michael Matz <matz@suse.de>
3639 PR tree-optimization/48794
3640 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3641 regions referenced from RESX/EH_DISPATCH.
3643 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3645 * config/s390/s390.h: Make BRANCH_COST an option.
3646 * config/s390/s390.opt: New option -mbranch-cost.
3648 2012-01-26 Richard Henderson <rth@redhat.com>
3650 Revert 2012-01-24 change:
3651 * trans-mem.c (requires_barrier): Do not instrument thread local
3652 variables and emit save/restore for them.
3654 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3657 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3660 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3662 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3665 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3668 Rename __pgm to __flash.
3669 Rename __pgm1 to __flash1.
3670 Rename __pgm2 to __flash2.
3671 Rename __pgm3 to __flash3.
3672 Rename __pgm4 to __flash4.
3673 Rename __pgm5 to __flash5.
3674 Rename __pgmx to __memx.
3675 * doc/extend.texi (AVR Named Address Spaces)
3676 Rename address space names as indicated above.
3677 * config/avr/avr.c (avr_addrspace): Ditto.
3679 * config/avr/avr-protos.h
3680 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3681 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3682 * config/avr/predicates.md: Ditto.
3683 * config/avr/avr.c Ditto, and
3684 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3685 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3687 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3688 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3689 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3690 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3691 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3692 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3693 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3694 * config/avr/avr.c: Ditto.
3695 * config/avr/avr.md: Ditto.
3697 2012-01-25 Jason Merrill <jason@redhat.com>
3700 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3702 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3704 PR tree-optimization/51987
3705 * tree-data-ref.c (get_references_in_stmt): Handle references in
3706 non-volatile GIMPLE_ASM.
3708 2012-01-25 Richard Guenther <rguenther@suse.de>
3710 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3711 bases are dereferenced.
3713 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3715 PR rtl-optimization/48374
3716 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3718 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3720 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3721 compute_data_dependences_for_loop returns false.
3722 * tree-parloops.c (loop_parallel_p): Likewise.
3724 2012-01-25 Richard Guenther <rguenther@suse.de>
3726 * tree.h (get_pointer_alignment_1): Declare.
3727 * builtins.c (get_pointer_alignment_1): New function.
3728 (get_pointer_alignment): Use it.
3730 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3732 PR rtl-optimization/48308
3733 * combine.c (enum undo_kind): Add UNDO_LINKS.
3734 (struct undo): Add member l to other_contents and where.
3735 (do_SUBST_LINK): New.
3737 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3738 (undo_all): Handle UNDO_LINKS.
3740 2012-01-25 Richard Henderson <rth@redhat.com>
3742 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3745 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3747 * optabs.c (gen_atomic_test_and_set): Use each argument.
3749 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3751 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3752 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3753 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3754 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3755 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3756 TARGET_PAIRED_SINGLE_FLOAT.
3758 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3760 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3761 (in_struct, return_val): Remove MEM documentation.
3762 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3763 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3764 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3766 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3767 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3768 * expr.c (store_field): Likewise.
3769 * function.c (assign_stack_temp_for_type): Likewise.
3770 * ifcvt.c (noce_try_cmove_arith): Likewise.
3771 * reload1.c (reload): Likewise.
3772 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3773 (alpha_set_memflags): Likewise.
3774 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3776 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3778 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3780 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3781 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3782 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3784 * cselib.c (cselib_rtx_varies_p): Delete.
3785 (cselib_invalidate_mem): Update call to canon_true_dependence.
3786 * dse.c (record_store, check_mem_read_rtx): Likewise.
3787 (scan_reads_nospill): Likewise.
3788 * cse.c (check_dependence): Likewise.
3789 (cse_rtx_varies_p): Delete.
3790 * expr.c (safe_from_p): Update call to true_dependence.
3791 * ira.c (validate_equiv_mem_from_store): Likewise.
3792 (memref_referenced_p): Likewise.
3793 * postreload-gcse.c (find_mem_conflicts): Likewise.
3794 * sched-deps.c (sched_analyze_2): Likewise.
3795 * store-motion.c (load_kills_store): Likewise.
3796 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3797 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3798 (compute_transp): Update call to canon_true_dependence.
3800 2012-01-25 Richard Henderson <rth@redhat.com>
3802 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3803 (maybe_emit_atomic_test_and_set): New.
3804 (expand_sync_lock_test_and_set): Use it.
3805 (expand_atomic_test_and_set): Likewise.
3806 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3807 the implementation; clarify implementation defined details.
3808 * doc/md.texi (atomic_test_and_set): Document.
3810 2012-01-25 Richard Henderson <rth@redhat.com>
3812 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3814 2012-01-25 Richard Henderson <rth@redhat.com>
3817 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3818 to effect no-op split.
3820 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3823 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3824 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3825 (BT_FN_VOID_PTR_INT_SIZE): New.
3826 (BT_FN_UINT_UINT_VAR): Remove.
3827 (BT_FN_UINT32_UINT32_VAR): New.
3828 (BT_FN_DOUBLE_VPTR): Remove.
3829 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3831 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3832 (_ITM_changeTransactionMode): Same.
3833 (_ITM_memmoveRtWt): Change return type to void.
3834 (_ITM_memcpyRtWt): Same.
3835 (_ITM_memsetW): Same.
3836 (_ITM_RaRD): Change types to double.
3841 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3843 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3844 Patrick Marlier <patrick.marlier@gmail.com>
3846 * trans-mem.c (requires_barrier): Do not instrument thread local
3847 variables and emit save/restore for them.
3849 2012-01-24 Jason Merrill <jason@redhat.com>
3852 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3853 output static aliases.
3855 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3858 * common.opt (-pie, -shared, pie, shared): Change from Common to
3860 * gcc.c (display_help): Display help for -pie and -shared.
3862 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3865 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3866 Remove note on size/offset limitation.
3867 (AVR Variable Attributes): Add example how to read data located
3868 with progmem. Refer to named address spaces.
3869 * doc/invoke.texi (AVR Options): Fix typo.
3871 2012-01-24 Richard Guenther <rguenther@suse.de>
3873 Forward-port to trunk
3874 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3877 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3878 op0 isn't sufficiently aligned and there is movmisalignM
3879 insn for mode, use it to load op0 into a temporary register.
3881 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3884 * target.def (const_not_ok_for_debug_p): New hook.
3885 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3887 * doc/tm.texi: Regenerated.
3888 * dwarf2out.c (const_ok_for_output_1): If
3889 targetm.const_not_ok_for_debug_p returns true, fail.
3890 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3892 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3894 2012-01-23 Kai Tietz <ktietz@redhat.com>
3897 * config/i386/predicates.md (symbolic_operand): Allow
3898 UNSPEC_PCREL as PIC expression for lea.
3899 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3900 * config/i386/i386.c (ix86_delegitimize_address): Handle
3901 UNSPEC_PCREL for none-MEM, too.
3903 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3905 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3906 (ipa_tm_create_version_alias): Same.
3908 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3911 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3912 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3914 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3915 Patrick Marlier <patrick.marlier@gmail.com>
3916 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3919 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3920 simple_object_start_read.
3922 2012-01-23 Richard Guenther <rguenther@suse.de>
3925 PR tree-optimization/51895
3926 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3927 parameter decomposition into BLKmode components.
3929 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3931 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3932 fake variables for restrict-qualified pointers whose pointed-to type
3933 contains a placeholder.
3935 2012-01-23 Richard Guenther <rguenther@suse.de>
3937 PR tree-optimization/51949
3938 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3940 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3942 PR rtl-optimization/51933
3943 * ree.c (transform_ifelse): Return true right away if dstreg is
3944 already wider or equal to cand->mode.
3945 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3946 (make_defs_and_copies_lists): Remove defs_list and copies_list
3947 arguments, add state argument, just truncate state->work_list
3948 instead of always allocating and freeing the vector. Assert that
3949 get_defs succeeds instead of returning 2. Changed return type to bool.
3950 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3951 have ext_src_mode, see if it has been modified already with the
3952 right kind of extension and has been extended before from the
3953 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3954 just return true. Remember the original mode in state->modified array.
3955 (combine_reaching_defs): Add state argument. Don't allocate and
3956 free here def_list, copied_list and vec vectors, instead just
3957 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3958 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3959 Add state variable, clear vectors in it, initialize state.modified
3960 if needed. Free all the vectors at the end and state.modified too.
3961 Don't skip a candidate if the extension expression has been modified.
3963 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3966 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3967 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3968 (extra_options) interix.opt -> i386/interix.opt"
3969 (extra_objs):Add winnt-stubs.o
3970 * configure.ac: Add interix to target_os .comm on PE check.
3971 * configure: Regenerate.
3972 * config/interix3.h: Delete and move bits to..
3973 * config/interix.h: Delete and move bits to..
3974 * config/i386/i386-interix3.h: Delete and move bits to..
3975 * config/i386/i386-interix.h: ..here.
3976 (TARGET_CPU_DEFAULT): Remove redefinition.
3977 (TARGET_ASM_CONSTRUCTOR): Undefine.
3978 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3979 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3980 (PTRDIFF_TYPE): Define.
3981 (LONG_DOUBLE_TYPE_SIZE): Define.
3982 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3983 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3984 (TARGET_SECTION_TYPE_FLAGS): Define.
3985 (ASM_DECLARE_FUNCTION_NAME): Define.
3986 (ASM_OUTPUT_EXTERNAL): Define.
3987 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3988 (ASM_OUTPUT_ALIGNED_BSS): Define.
3989 (PCC_BITFIELD_TYPE_MATTERS): Define.
3990 (USE_CONST_SECTION): Define.
3991 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3992 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3993 (SUPPORTS_ONE_ONLY): Remove.
3994 (I386_PE_STRIP_ENCODING): Define.
3995 * config/interix.opt: Delete and move bits to..
3996 * config/i386/interix.opt: ..here. New.
3997 (mpe-aligned-commons): Add.
3998 * config/i386/t-interix: Add copyright header.
3999 (winnt-stubs.o): Add rule.
4001 2012-01-22 Jason Merrill <jason@redhat.com>
4004 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4005 for extra name aliases.
4007 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4009 PR rtl-optimization/51924
4010 * ree.c (combine_set_extension): Improve debugging message.
4011 (combine_reaching_defs): Likewise.
4012 (get_defs): Rename confusingly named variable.
4013 (find_and_remove_re): Skip a candidate if the extension expression has
4016 2012-01-21 Robert Millan <rmh@gnu.org>
4017 Gerald Pfeifer <gerald@pfeifer.com>
4019 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4020 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4022 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4024 PR tree-optimization/51914
4025 * tree-vect-stmts.c (vectorizable_conversion): For
4026 cvt_type && modifier == WIDEN, put temporary with cvt_type
4027 at the beginning of vec_dsts and set vec_dest to temporary
4030 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4032 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4034 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4036 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4037 * config/rs6000/rs6000.c: Likewise.
4039 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4042 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4043 output_move_double on a copy of operands array.
4045 2012-01-20 Cary Coutant <ccoutant@google.com>
4046 Dodji Seketeli <dodji@redhat.com>
4049 * dwarf2out.c (copy_declaration_context): Return ref to parent
4050 of declaration DIE, if necessary.
4051 (remove_child_or_replace_with_skeleton): Add new parameter; update
4052 caller. Place skeleton DIE under parent DIE of original declaration.
4053 Move call to copy_declaration_context to here ...
4054 (break_out_comdat_types): ... from here.
4056 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4058 PR rtl-optimization/51856
4059 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4062 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4065 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4066 hints for neon loads and stores.
4068 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4072 * doc/extend.texi (Named Address Spaces): Split into subsections.
4073 (AVR Named Address Spaces): New subsection.
4074 (M32C Named Address Spaces): New subsection.
4075 (RL78 Named Address Spaces): New subsection.
4076 (SPU Named Address Spaces): New subsection.
4077 (Variable Attributes): New anchor "AVR Variable Attributes".
4078 (AVR Variable Attributes): Rewrite and avoid wording
4079 "address space" in this context.
4080 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4081 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4082 (AVR Built-in Macros): New subsubsection therein.
4083 * doc/md.texi (AVR constraints): Remove "C04", "R".
4085 2012-01-20 Richard Guenther <rguenther@suse.de>
4087 PR tree-optimization/51903
4088 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4089 when removing stmts.
4091 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4094 * config/arm/arm.c (arm_load_pic_register): Use
4095 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4096 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4097 (arm_pic_static_addr): Likewise.
4098 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4099 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4100 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4101 (pic_load_addr_unified): New.
4103 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4106 * function.c (instantiate_virtual_regs_in_insn): Use
4107 delete_insn_and_edges when removing a wrong asm insn.
4109 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4111 PR rtl-optimization/40761
4112 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4113 Add new member loop_num.
4114 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4115 (ira_build): Remove the parameter.
4117 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4118 (ira.c): Do not build CFG loops for one region allocation. Remove
4119 argument from ira_build call.
4121 * ira-build.c (init_loop_tree_node): New function.
4122 (create_loop_tree_nodes): Use it. Separate the case when CFG
4123 loops are not built.
4124 (more_one_region_p): Check current_loops.
4125 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4127 (add_loop_to_tree): Process loop equal to NULL too.
4128 (form_loop_tree): Separate the case when CFG loops are not built.
4129 Use explicitly number for the root.
4130 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4132 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4133 instead of loop->num.
4134 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4135 (mark_all_loops_for_removal): Ditto.
4136 (remove_unnecessary_regions): Separate the case when CFG loops
4138 (ira_build): Remove the parameter. Use explicit number of regions
4139 when CFG loops are not built.
4141 * ira-color.c (print_loop_title): Separate the case for the root node.
4142 Use loop_num instead of loop->num.
4143 (move_spill_restore): Use loop_num instead of loop->num.
4145 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4146 (change_loop): Ditto.
4147 (change_loop): Use loop_num instead of loop->num.
4149 * ira-lives.c (process_bb_node_lives): Ditto.
4151 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4153 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4155 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4158 * tree-mudflap.c (mf_artificial): New function.
4159 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4160 mx_register_decls, mudflap_enqueue_decl): Use it.
4163 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4164 numbers in the insn pattern.
4166 2012-01-19 Michael Matz <matz@suse.de>
4168 PR tree-optimization/46590
4169 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4170 use it in remembering which conflicts we already created.
4171 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4174 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4177 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4178 (merge_and_complain): Same.
4180 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4183 * config/initfini-array.h: Guard content of the header
4184 with #ifdef HAVE_INITFINI_ARRAY.
4185 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4186 Add initfini-array.h to tm_file here.
4187 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4188 * config.gcc: Don't add initfini-array.h to tm_file here.
4189 * configure: Regenerated.
4191 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4193 PR rtl-optimization/51505
4194 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4195 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4196 (df_note_bb_compute): Update the call to df_kill_notes.
4198 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4200 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4202 2012-01-18 Richard Guenther <rguenther@suse.de>
4204 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4205 of conversions to void *.
4207 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4208 Richard Sandiford <rdsandiford@googlemail.com>
4212 * optabs.h (simplify_expand_binop): Declare.
4213 * optabs.c (simplify_expand_binop): Make global.
4214 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4215 endian targets if the source cannot be exactly covered by word
4218 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4221 * hard-reg-set.h (struct hard_reg_set_container): New type.
4222 * target.h (struct hard_reg_set_container): Forward declare.
4223 * target.def (set_up_by_prologue): New target hook.
4224 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4225 * doc/tm.texi: Regenerated.
4226 * function.c (thread_prologue_and_epilogue_insns): Change
4227 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4228 Call targetm.set_up_by_prologue on it.
4229 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4230 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4232 2012-01-17 Nick Clifton <nickc@redhat.com>
4234 * config/rx/rx.c (rx_can_use_simple_return): New function.
4235 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4236 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4238 2012-01-17 Richard Guenther <rguenther@suse.de>
4241 * expr.c (expand_assignment): Take address-space information
4242 from the address operand of MEM_REF and TARGET_MEM_REF.
4243 (expand_expr_real_1): Likewise.
4245 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4247 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4248 reload dump is requested.
4250 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4253 * trans-mem.c (requires_barrier): Call may_be_aliased.
4255 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4257 PR tree-optimization/51877
4258 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4259 call arguments and fndecls compare equal, instead return false if they
4260 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4261 both SSA_NAMEs that are valueized the same, or they satisfy
4264 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4266 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4268 * configure: Regenerate.
4270 2012-01-16 Jan Hubicka <jh@suse.cz>
4274 * convert.c (convert_to_integer): Use fold_convert for
4275 converting an INTEGER_CST to integer type.
4277 2012-01-16 Jason Merrill <jason@redhat.com>
4280 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4282 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4285 * config/s390/s390.c (s390_chunkify_start): Don't skip
4286 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4287 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4288 If insn is followed by NOTE_INSN_VAR_LOCATION or
4289 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4290 Don't use location of note insns.
4292 PR tree-optimization/51865
4293 * tree-inline.c (tree_function_versioning): Call remap_decl
4294 on DECL_RESULT whenever it has VOID_TYPE_P type.
4296 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4298 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4299 for calls to locally-binding MIPS16 functions if only the return
4300 type uses float regs.
4302 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4303 Richard Sandiford <rdsandiford@googlemail.com>
4305 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4306 (SYMBOL_32_HIGH): Likewise.
4307 (mips_output_tls_reloc_directive): Declare.
4308 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4309 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4310 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4311 (mips_lo_relocs, mips_hi_relocs): Make extern.
4312 (mips16_stub_function): Move up file.
4313 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4314 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4315 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4316 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4317 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4318 (mips_get_tp): Add MIPS16 support.
4319 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4320 Generalize DTPREL and TPREL handling.
4321 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4322 Add MIPS16 TLS support.
4323 (mips_output_tls_reloc_directive): New function.
4324 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4325 * config/mips/predicates.md (symbolic_operand_with_high)
4326 (tls_reloc_operand): New predicates.
4327 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4328 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4329 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4330 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4331 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4332 (*tls_get_tp_mips16_call_<mode>): Likewise.
4334 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4336 PR rtl-optimization/51821
4337 * recog.c (peep2_find_free_register): Determine clobbered registers
4340 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4343 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4344 * config/avr/avr.c: Likewise.
4345 * config/avr/avr.h: Likewise.
4347 2012-01-13 Ian Lance Taylor <iant@google.com>
4350 * tree.h (TYPE_QUALS): Add cast to int.
4351 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4353 2012-01-13 Ian Lance Taylor <iant@google.com>
4355 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4356 comparing param_index to VEC_length result.
4358 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4360 * c-decl.c: Do not include tree-mudflap.h
4361 * tree-optimize.c: Likewise.
4362 * Makefile.in: Update dependencies.
4364 2012-01-13 Richard Guenther <rguenther@suse.de>
4367 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4368 variable-sized result always use RSO.
4370 2012-01-12 DJ Delorie <dj@redhat.com>
4372 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4373 pointer type, not just the default pointer type.
4375 2012-01-09 Richard Henderson <rth@redhat.com>
4376 Denis Chertykov <chertykov@gmail.com>
4379 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4380 * config/avr/avr.c (avr_can_eliminate): Simplify.
4381 (avr_initial_elimination_offset): Likewise.
4382 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4383 (expand_epilogue): Likewise.
4384 (avr_legitimize_address): Gut.
4385 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4386 (avr_hard_regno_nregs): New.
4387 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4388 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4389 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4390 add soft frame pointer.
4391 (CALL_USED_REGISTERS): Likewise.
4392 (REG_CLASS_CONTENTS): Likewise.
4393 (REGISTER_NAMES): Likewise.
4394 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4395 (HARD_FRAME_POINTER_REGNUM): New.
4396 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4397 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4398 remove the HARD_FRAME_POINTER self-elimination.
4400 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4403 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4404 DECL_EXTERNAL when checking for initializers of progmem variables.
4406 2012-01-12 Ira Rosen <irar@il.ibm.com>
4408 PR tree-optimization/51799
4409 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4410 that the last operation is a type demotion.
4412 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4414 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4415 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4417 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4420 * combine.c (distribute_notes): If i3 is a noreturn call,
4421 allow old_size to be equal to args_size and make sure the
4422 noreturn call gets REG_ARGS_SIZE note.
4423 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4424 on noreturn calls even when the delta is 0.
4426 2012-01-11 Nathan Sidwell <nathan@acm.org>
4428 * gcov.c (STRING_SIZE): Remove.
4429 (generate_results): Erase annotations for source files with no
4430 coverage information.
4432 (output_lines): Use it.
4434 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4436 * gimple.h (gimplify_body): Remove first argument.
4437 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4438 pointer set here, instead just pass DATA to walk_tree.
4439 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4440 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4441 (unvisit_body): Likewise, but with unmark_visited.
4442 (gimplify_body): Remove BODY_P argument and adjust.
4443 (gimplify_function_tree): Adjust call to gimplify_body.
4444 * omp-low.c (finalize_task_copyfn): Likewise.
4446 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4448 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4449 (build_function_type_skip_args): Delete.
4450 * tree.c (build_function_type_skip_args): Make static and add
4451 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4452 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4453 pass it to build_function_type_skip_args.
4454 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4455 (tree_function_versioning): Likewise.
4456 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4457 build_function_decl_skip_args.
4458 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4459 and pass it to build_function_decl_skip_args/tree_function_versioning.
4460 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4461 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4462 * trans-mem.c (ipa_tm_create_version): Likewise.
4463 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4464 * tree-inline.c (declare_return_variable): Remove always-true test.
4465 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4466 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4467 * ipa-split.c (split_function): Skip the return value for the split
4468 part if it doesn't return.
4470 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4472 PR tree-optimization/49642
4473 * ipa-split.c (forbidden_dominators): New variable.
4474 (check_forbidden_calls): New function.
4475 (dominated_by_forbidden): Likewise.
4476 (consider_split): Check for forbidden dominators.
4477 (execute_split_functions): Initialize and free forbidden
4478 dominators info; call check_forbidden_calls.
4480 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4482 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4484 2012-01-11 Nick Clifton <nickc@redhat.com>
4486 * config/rx/rx.md (return): Define pattern.
4488 2012-01-11 Richard Guenther <rguenther@suse.de>
4490 * doc/extend.texi (malloc attribute): Adjust according to
4493 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4494 Patrick Marlier <patrick.marlier@gmail.com>
4497 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4498 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4499 (ipa_tm_note_irrevocable): Same.
4500 (ipa_tm_scan_irr_block): Same.
4501 (ipa_tm_decrement_clone_counts): Same.
4502 (ipa_tm_scan_irr_function): Same.
4503 (ipa_tm_create_version_alias): Same.
4504 (ipa_tm_create_version): Same.
4505 (ipa_tm_transform_calls_redirect): Same.
4506 (ipa_tm_transform_calls): Same.
4507 (ipa_tm_transform_transaction): Same.
4508 (ipa_tm_execute): Same.
4510 2012-01-10 Richard Guenther <rguenther@suse.de>
4513 * opts.c (common_handle_option): Handle -Werror.
4515 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4517 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4520 2012-01-10 Jason Merrill <jason@redhat.com>
4522 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4525 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4527 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4528 supports R_386_TLS_GD_PLT reloc.
4529 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4530 supports R_386_TLS_LDM_PLT reloc.
4531 * configure: Regenerate.
4532 * config.in: Regenerate.
4534 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4537 Extend __pgmx semantics to linearize memory.
4538 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4539 determine if code comes inline or from libgcc.
4540 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4541 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4542 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4543 (movmemx_qi, movmemx_hi): New insns.
4544 (xload_<mode>_libgcc): Rewrite to new insn condition.
4545 (xload_<mode>): Remove insns.
4546 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4547 cases that don't satisfy avr_xload_libgcc_p().
4548 (avr_addr_space_convert): Allow converting in any direction.
4549 (avr_addr_space_subset_p): Return always true.
4550 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4551 (avr_emit_movmemhi): Ditto.
4552 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4553 (avr_out_movmem): Ditto.
4554 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4555 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4556 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4557 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4558 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4560 2012-01-10 Richard Guenther <rguenther@suse.de>
4562 PR tree-optimization/50913
4563 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4564 Require data-refs to be representable by Graphite with respect
4567 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4569 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4570 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4572 2012-01-10 Tom de Vries <tom@codesourcery.com>
4574 PR rtl-optimization/51271
4575 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4576 handling annulled branch.
4578 2012-01-10 Richard Henderson <rth@redhat.com>
4580 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4581 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4582 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4583 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4584 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4585 arm_expand_vec_perm_const): New.
4586 * config/arm/arm-protos.h: Update.
4587 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4588 (*neon_vswp<VDQX>): New.
4589 (neon_vcombine<VDX>): Use neon_split_vcombine.
4590 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4591 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4592 (vec_perm<VE>): New.
4594 2012-01-10 Richard Henderson <rth@redhat.com>
4596 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4597 use it if reload_completed.
4598 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4599 arm_output_asm_insn, arm_process_output_memory_barrier,
4600 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4601 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4602 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4603 arm_process_output_sync_insn, arm_output_sync_insn,
4604 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4605 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4606 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4607 (emit_unlikely_jump): New.
4608 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4609 (arm_split_atomic_op): New.
4610 * config/arm/arm-protos.h: Update.
4611 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4612 (struct arm_sync_generator): Remove.
4613 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4614 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4615 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4616 (VUNSPEC_LL, VUNSPEC_SC): New.
4617 (sync_result, sync_memory, sync_required_value, sync_new_value,
4618 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4619 (attr length): Don't use arm_sync_loop_insns.
4620 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4621 (movsfcc, movdfcc): Likewise.
4622 * config/arm/constraints.md (Ua): New.
4623 * config/arm/prediates.md (mem_noofs_operand): New.
4624 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4625 (sync_clobber, sync_t2_reqd): Remove.
4626 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4627 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4628 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4629 (arm_sync_compare_and_swap<SIDI>): Remove.
4630 (arm_sync_compare_and_swap<NARROW>): Remove.
4631 (arm_sync_lock_test_and_set<SIDI>): Remove.
4632 (arm_sync_lock_test_and_set<NARROW>): Remove.
4633 (arm_sync_new_<syncop><SIDI>): Remove.
4634 (arm_sync_new_<syncop><NARROW>): Remove.
4635 (arm_sync_new_nand<SIDI>): Remove.
4636 (arm_sync_new_nand<NARROW>): Remove.
4637 (arm_sync_old_<syncop><SIDI>): Remove.
4638 (arm_sync_old_<syncop><NARROW>): Remove.
4639 (arm_sync_old_nand<SIDI>): Remove.
4640 (arm_sync_old_nand<NARROW>): Remove.
4641 (*memory_barrier): Merge arm_output_memory_barrier.
4642 (atomic_compare_and_swap<QHSD>): New.
4643 (atomic_compare_and_swap<NARROW>_1): New.
4644 (atomic_compare_and_swap<SIDI>_1): New.
4645 (atomic_exchange<QHSD>): New.
4646 (cas_cmp_operand, cas_cmp_str): New.
4647 (atomic_op_operand, atomic_op_str): New.
4648 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4649 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4650 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4651 (arm_load_exclusive<NARROW>): New.
4652 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4653 (arm_store_exclusive<QHSD>): New.
4655 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4657 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4658 reload patterns if -mvsx-scalar-memory.
4660 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4661 generated, even -mno-vsx-scalar-double was used.
4662 (vsx_xscvdpsp_scalar): Likewise.
4663 (vsx_xscvspdp_scalar2): Likewise.
4665 2012-01-09 Tom de Vries <tom@codesourcery.com>
4666 Andrew Pinski <apinski@cavium.com>
4669 * reorg.c (fill_slots_from_thread): Don't speculate
4670 frame-related insns.
4672 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4674 * sched-int.h (bb_note): Move to...
4675 * basic-block.h: ...here.
4676 * haifa-sched.c (bb_note): Move to...
4677 * cfgrtl.c: ...here.
4678 * function.c (next_block_for_reg): New function.
4679 (move_insn_for_shrink_wrap): Likewise.
4680 (prepare_shrink_wrap): Rewrite to use the above.
4682 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4684 * gimple.c (is_gimple_non_addressable): Remove.
4685 * gimple.h: Remove is_gimple_non_addressable.
4686 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4687 is_gimple_non_addressable.
4688 * trans-mem.c (expand_assign_tm): Same.
4690 2012-01-09 Richard Guenther <rguenther@suse.de>
4692 PR tree-optimization/51775
4693 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4694 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4696 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4698 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4700 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4702 2012-01-09 Richard Guenther <rguenther@suse.de>
4704 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4706 2012-01-08 Jan Hubicka <jh@suse.cz>
4708 PR tree-optimize/51680
4709 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4710 on when known_vals needs to be computed; cleanup.
4712 2012-01-08 Jan Hubicka <jh@suse.cz>
4714 PR tree-optimize/51694
4715 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4717 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4719 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4720 for -std=c++98 and -std=c++11 too.
4722 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4724 * cfgloop.c (cancel_loop): Add free() of bbs array.
4726 2012-01-07 Jan Hubicka <jh@suse.cz>
4728 PR tree-optimization/51600
4729 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4730 that benefits small functions.
4732 2012-01-07 Jan Hubicka <jh@suse.cz>
4734 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4736 2012-01-07 Jan Hubicka <jh@suse.cz>
4738 PR tree-optimization/51680
4739 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4740 whose inlining reduce unit size.
4742 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4745 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4746 Add canonical node to containing_mem chain after the non-canonical
4747 one, even if there weren't any locs to propagate.
4748 (remove_useless_values): Keep only canonical values.
4749 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4750 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4751 canonicalize mem_chain elements that are not discarded.
4753 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4756 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4757 before emitting functions.
4759 PR gcov-profile/50127
4760 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4761 clear_aux_for_blocks.
4763 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4766 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4768 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4770 * c-decl.c (ext_block): Moved up.
4771 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4773 2012-01-06 Han Shen <shenhan@google.com>
4775 Translate built-in include paths for sysroot.
4776 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4777 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4779 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4780 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4782 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4783 control whether sysroot should be prepended to gxx include dir.
4785 * configure: Regenerate.
4787 2012-01-06 Torvald Riegel <triegel@redhat.com>
4789 PR rtl-optimization/51771
4790 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4791 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4793 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4795 PR tree-optimization/51315
4796 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4797 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4799 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4802 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4803 for shrp pattern. Correctly handle and fixup shift variable.
4804 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4806 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4809 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4810 note when !ACCUMULATE_OUTGOING_ARGS.
4812 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4814 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4816 (extract_range_from_unary_expr_1): Avoid useless computations.
4818 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4820 PR rtl-optimization/51767
4821 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4822 of jump_block and add an extra edge for degenerated asm gotos.
4825 * stmt.c (check_unique_operand_names): Don't ICE during error
4826 reporting if i is from labels chain.
4829 * profile.c (branch_prob): Split bbs that have exit edge
4830 and need a fake entry edge too.
4832 2012-01-05 Jan Hubicka <jh@suse.cz>
4835 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4838 2012-01-05 Richard Guenther <rguenther@suse.de>
4841 * tree-streamer-out.c (write_ts_optimization): New function.
4842 (streamer_write_tree_body): Call it.
4843 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4844 (streamer_read_tree_body): Call it.
4845 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4847 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4850 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4851 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4852 in_cleanup_point_expr before gimplify_stmt call and restore it
4854 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4855 in_cleanup_point_expr is false.
4857 2012-01-05 Richard Guenther <rguenther@suse.de>
4860 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4862 * toplev.c (process_options): Reject combining mudflap and LTO.
4863 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4865 2012-01-05 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/51760
4868 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4870 (bit_value_unop): Handle UNDEFINED operands.
4871 (bit_value_binop): Likewise.
4873 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4875 * config/avr/avr.c (avr_replace_prefix): Remove.
4876 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4877 (avr_asm_function_rodata_section): Ditto.
4878 (avr_asm_select_section): Ditto.
4880 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4882 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4885 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4888 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4889 calls that have any non-fake successor edges.
4892 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4894 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4896 PR tree-optimization/51624
4897 * tree-sra.c (build_ref_for_model): When replicating a chain of
4898 COMPONENT_REFs, stop as soon as the offset would become negative.
4900 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4903 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4904 in .debug_loc on the floor.
4906 2012-01-04 Andrew Pinski <apinski@cavium.com>
4908 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4910 2012-01-04 Andrew Pinski <apinski@cavium.com>
4911 Adam Nemet <anemet@caviumnetworks.com>
4913 * config/mips/mips.md (size): Add SI and DI.
4914 (SIZE): New mode attribute.
4915 (U): New code attribute.
4916 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4917 (mips_lbux_<mode>): Delete.
4918 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4919 (mips_lhx): Use gen_mips_lhx_extsi.
4920 (mips_lhx_<mode>): Delete.
4922 (mips_l<size>x): New expand.
4923 (mips_lwx_<mode>): Delete.
4924 (mips_l<GPR:size>x_<P:mode>): New pattern.
4925 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4926 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4927 * config/mips/mips.c (mips_lx_address_p): New function.
4928 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4929 (dsp64): New availability predicate.
4930 (mips_builtins): Add an entry for __builtin_mips_ldx.
4931 * config/mips/mips.h (ISA_HAS_LBX): New define.
4932 (ISA_HAS_LBUX): Likewise.
4933 (ISA_HAS_LHX): Likewise.
4934 (ISA_HAS_LHUX): Likewise.
4935 (ISA_HAS_LWX): Likewise.
4936 (ISA_HAS_LWUX): Likewise.
4937 (ISA_HAS_LDX): Likewise.
4938 * doc/extend.texi (__builtin_mips_ldx): Document.
4940 2012-01-04 Tristan Gingold <gingold@adacore.com>
4942 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4943 when long pointers are used.
4944 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4945 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4946 (ia64-hp-*vms*): Remove.
4947 * config/vms/xm-vms64.h: Delete.
4949 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4952 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4954 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4956 * opts.c (finish_options): Remove duplicate sorry.
4958 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4961 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4964 2012-01-04 Richard Guenther <rguenther@suse.de>
4967 * tree.c (size_low_cst): New function.
4968 * tree.h (size_low_cst): Declare.
4969 * fold-const.c (fold_comparison): Use it to extract the low
4970 part of the POINTER_PLUS_EXPR offset.
4972 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4974 Fix clearing ZERO_REG
4975 * config/avr/avr.md (cc): Add alternative "ldi".
4976 (movqi_insn): Use it in cc attribute.
4977 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4978 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4979 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4981 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4983 * configure: Regenerate.
4985 2012-01-04 Richard Guenther <rguenther@suse.de>
4987 PR tree-optimization/49651
4988 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4989 (var_can_have_subvars): Use it.
4990 (get_constraint_for_1): Only consider subfields if there can be any.
4992 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4995 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4996 to its new canonical_cselib_val and the cselib_val was in
4997 first_containing_mem chain, but the canonical_cselib_val was not,
4998 add the latter into the chain.
4999 (cselib_invalidate_mem): Compare canonical_cselib_val of
5000 addr_list chain elt with v.
5003 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5004 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5006 (output_macinfo_op): Don't ggc_strdup fd->filename.
5007 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5008 then ggc_strdup it. Don't free inc->info or cur->info.
5009 (output_macinfo): Don't free ref->info or file->info.
5011 2012-01-03 Ira Rosen <irar@il.ibm.com>
5013 PR tree-optimization/51269
5014 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5015 first_niters a pointer.
5016 (slpeel_tree_peel_loop_to_edge): Likewise.
5017 (vect_do_peeling_for_loop_bound): Update call to
5018 slpeel_tree_peel_loop_to_edge.
5019 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5020 here. Remove it from the parameters list.
5021 (vect_do_peeling_for_alignment): Update calls and compute
5024 2012-01-03 Richard Guenther <rguenther@suse.de>
5026 PR tree-optimization/51070
5027 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5028 Properly handle calls.
5030 2012-01-03 Richard Guenther <rguenther@suse.de>
5032 PR tree-optimization/51692
5033 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5034 the LHS of allocation stmts.
5036 2012-01-03 Olivier Hainque <hainque@adacore.com>
5038 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5040 2012-01-03 Olivier Hainque <hainque@adacore.com>
5042 * collect2.c (main): In AIX specific computations for vector
5043 insertions, use CONST_CAST2 to cast from char ** to const char **.
5045 2012-01-03 Richard Guenther <rguenther@suse.de>
5048 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5049 the context of a limbo DIE when it does not already exist.
5051 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5053 PR tree-optimization/51719
5054 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5055 but direct call is, clear direct call's lhs and don't add fallthrough
5056 edge from dcall_bb to join_bb and PHIs.
5058 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5060 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5061 the instructions emitted by the pattern.
5062 ("*TDC_insn_<mode>"): Add comment.
5064 2012-01-03 Richard Guenther <rguenther@suse.de>
5067 * fold-const.c (fold_comparison): Properly canonicalize
5068 tree offset and HOST_WIDE_INT bit position.
5070 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5072 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5073 operands for extzv pattern.
5075 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5078 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5081 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5083 * doc/invoke.texi (-flto and related options): Copy-edit.
5085 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5087 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5089 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5091 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5094 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5096 * expr.h (move_by_pieces_ninsns): Declare.
5097 * expr.c (move_by_pieces_ninsns): Make external.
5098 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5099 (mips_store_by_pieces_p): Likewise.
5100 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5101 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5102 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5103 (mips_store_by_pieces_p): Likewise.
5105 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5107 * passes.c (register_one_dump_file): Free full_name.
5109 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5110 (calculate_elim_costs_all_insns): Free offsets_at and
5111 offsets_known_at at the end and clear the pointers.
5113 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5115 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5116 this option introduced in r180739.
5118 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5121 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5122 (tmake_file target=avr): Add avr/t-multilib.
5124 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5125 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5126 * config/avr/genmultilib.awk: New file.
5127 * config/avr/t-multilib: New auto-generated file.
5128 * config/avr/multilib.h: New auto-generated file.
5129 * config/avr/t-avr (AVR_MCUS): New variable.
5130 (genopt.sh): Use it.
5131 (s-mlib): Depend on t-multilib.
5132 (t-multilib, multilib.h): New dependencies.
5133 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5134 (MULTILIB_OPTIONS): Remove.
5135 (MULTILIB_MATCHES): Remove.
5136 (MULTILIB_DIRNAMES): Remove.
5137 (MULTILIB_EXCEPTIONS): Remove:
5138 * config/avr/genopt.sh: Don't use hard coded file name;
5139 pass AVR_MCUS from t-avr instead.
5141 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5143 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5145 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5147 Implement light-weight DImode support.
5148 * config/avr/avr-dimode.md: New file.
5149 * config/avr/avr.md: Include it.
5150 (adjust_len): Add plus64, compare64.
5151 (HIDI): Remove code iterator.
5152 (code_stdname): New code attribute.
5153 (rotx, rotsmode): Remove DI.
5154 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5156 * config/avr/avr-protos.h (avr_have_dimode): New.
5157 (avr_out_plus64, avr_out_compare64): New.
5158 * config/avr/avr.c (avr_out_compare): Handle DImode.
5159 (avr_have_dimode): New variable definition and initialization.
5160 (avr_out_compare64, avr_out_plus64): New functions.
5161 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5162 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5163 (avr_compare_pattern): Skip DImode comparisons.
5165 2012-01-02 Revital Eres <revital.eres@linaro.org>
5167 * ddg.c (def_has_ccmode_p): New function.
5168 (add_cross_iteration_register_deps,
5169 create_ddg_dep_from_intra_loop_link): Call it.
5171 2012-01-02 Richard Guenther <rguenther@suse.de>
5174 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5176 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5178 * gcc.c (process_command): Update copyright notice dates.
5179 * gcov.c (print_version): Likewise.
5180 * gcov-dump.c (print_version): Likewise.
5181 * mips-tfile.c (main): Likewise.
5182 * mips-tdump.c (main): Likewise.
5184 2012-01-01 Ira Rosen <irar@il.ibm.com>
5186 PR tree-optimization/51704
5187 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5188 a use is inside the basic block or loop before accessing its vect info.
5190 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5192 PR rtl-optimization/51069
5193 * cfgloopmanip.c (remove_path): Removing path making irreducible
5194 region unconditional makes BB part of the region.
5196 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5198 PR tree-optimization/51683
5199 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5200 calls with side-effects.
5201 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5203 Copyright (C) 2012 Free Software Foundation, Inc.
5205 Copying and distribution of this file, with or without modification,
5206 are permitted in any medium without royalty provided the copyright
5207 notice and this notice are preserved.