1 2012-07-04 Richard Guenther <rguenther@suse.de>
4 * gimple-fold.c (get_base_constructor): Do not return an
5 error_mark_node DECL_INITIAL.
7 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
10 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
12 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
13 code model string in the error message.
15 2012-07-04 Tristan Gingold <gingold@adacore.com>
17 Backport from mainline.
18 2012-06-25 Tristan Gingold <gingold@adacore.com>
20 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
21 (seh_cfa_adjust_cfa): ... that function.
22 (seh_emit_stackalloc): Do not emit out of range values.
23 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
24 UNSPEC_DEF_CFA constants.
25 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
26 * config/i386/i386.c (ix86_frame_pointer_required): Required
27 for very large frames on SEH target.
28 (ix86_compute_frame_layout): Save area is before frame pointer
29 on SEH target. Handle very large frames.
30 (ix86_expand_prologue): Likewise.
32 2012-07-04 Richard Guenther <rguenther@suse.de>
34 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
35 as in free_lang_data_in_type.
37 2012-07-02 Martin Jambor <mjambor@suse.cz>
39 Backport from mainline.
40 2012-07-02 Martin Jambor <mjambor@suse.cz>
43 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
44 dynamic type change check.
46 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
48 * tree-eh.c (lower_try_finally_switch): Really put the location of the
49 last statement of the finally block onto the switch.
51 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
53 * configure: Regenerate.
54 Backport from mainline.
55 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
56 * config.gcc (target_type_format_char): New. Document it. Set it for
58 * configure.ac (gnu_unique_option): Use target_type_format_char
59 in test. Comment rationale.
61 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
63 Backport from mainline.
64 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
65 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
67 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
69 Backport from 2012-06-28 mainline r189049
72 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
73 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
74 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
75 avr_hard_regno_call_part_clobbered.
77 2012-06-28 Richard Guenther <rguenther@suse.de>
80 * expr.c (expand_expr_real_1): Verify if the type is complete
81 before inspecting its size.
83 2012-06-27 Nick Clifton <nickc@redhat.com>
85 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
88 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
91 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
93 2012-06-26 Nick Clifton <nickc@redhat.com>
95 * config/rx/rx.md (simple_return): Use the simple_return rtx.
97 2012-06-25 Jakub Jelinek <jakub@redhat.com>
100 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
101 of x x x in the vmovlps load alternative.
103 2012-06-22 Richard Guenther <rguenther@suse.de>
105 * gcov-iov.c: Include bconfig.h and system.h.
107 2012-06-22 Richard Guenther <rguenther@suse.de>
109 PR gcov-profile/53744
110 * gcov-iov.c (main): Treat "" and "prerelease" the same.
112 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
114 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
115 DECL_IGNORED_P non-reg vars even if they are used.
117 2012-06-19 Jason Merrill <jason@redhat.com>
120 * dwarf2out.c (modified_type_die): Use scope_die_for.
121 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
122 (uses_local_type_r, uses_local_type): New.
123 (scope_die_for): Keep a type that uses a local type in local scope.
124 Use get_context_die for namespace and type scope.
126 2012-06-19 Richard Guenther <rguenther@suse.de>
129 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
130 replace it with the first non-BLOCK context.
132 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
134 PR rtl-optimization/53700
136 Backport from mainline
137 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
139 * ira-color.c (setup_left_conflict_sizes_p): Process all
142 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
144 Backport from mainline
145 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
148 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
149 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
150 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
151 instead of xop_mulv2div2di3_low.
152 (xop_p<macs>dql): Fix vec_select selector.
153 (xop_p<macs>dqh): Ditto.
154 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
155 (xop_mulv2div2di3_high): Ditto.
157 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
159 Backport from mainline:
160 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
162 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
164 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
166 Backport from mainline:
167 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
169 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
170 * config/pa/pa.c (pa_attr_length_millicode_call): Use
171 MAX_PCREL17F_OFFSET instead of fixed offset.
172 (pa_attr_length_call): Likewise.
173 (pa_attr_length_indirect_call): Likewise.
175 2012-06-15 Walter Lee <walt@tilera.com>
177 Backport from mainline:
178 2012-06-15 Walter Lee <walt@tilera.com>
180 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
182 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
184 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
186 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
188 Backport from mainline:
190 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
191 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
192 * gimple.h (block_in_transaction): Check for flag_tm.
194 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
196 PR tree-optimization/52558
198 Backport from mainline:
199 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
200 * gimple.h (gimple_set_in_transaction): Remove.
201 (gimple_in_transaction): Look in BB instead.
202 (gimple_statement_base): Remove in_transaction field.
203 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
204 * trans-mem.c (compute_transaction_bits): Place transaction bit
205 information into basic blocks.
207 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
209 PR tree-optimization/52558
210 * cfg.c (alloc_aux_for_edge): Fix comment.
211 (alloc_aux_for_edge): Remove static.
212 * basic-block.h (alloc_aux_for_edge): Protoize.
213 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
214 (execute_sm_if_changed_flag): New.
215 (execute_sm_if_changed_flag_set): New.
216 (execute_sm): Do not generate data races unless requested.
217 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
218 (tree_ssa_lim_finalize): Call free_aux_for_edges.
219 * gimple.h (block_in_transaction): New.
220 (gimple_in_transaction): Use block_in_transaction.
222 2012-06-14 Jakub Jelinek <jakub@redhat.com>
224 Backported from mainline
225 2012-06-12 Jakub Jelinek <jakub@redhat.com>
227 PR rtl-optimization/53589
228 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
229 discovery even when e->dest != target. If any LABEL_REF points
230 to e->dest label, redirect it to target's label.
232 2012-06-07 Jakub Jelinek <jakub@redhat.com>
235 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
236 returns false, replace stmt with GIMPLE_NOP.
237 (check_omp_nesting_restrictions): Instead of issuing warnings,
238 issue errors and return false if any errors were reported.
240 2012-06-14 Richard Guenther <rguenther@suse.de>
242 * BASE-VER: Set to 4.7.2.
243 * DEV-PHASE: Set to prerelease.
245 2012-06-12 Christian Bruel <christian.bruel@st.com>
248 * config/sh/sh.c (sh_option_override): Don't force
249 flag_omit_frame_pointer and maccumulate_outgoing_args.
250 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
252 2012-06-14 Release Manager
254 * GCC 4.7.1 released.
256 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
258 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
260 2012-06-13 Richard Henderson <rth@redhat.com>
262 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
263 iterator instead of INT.
265 2012-06-08 Richard Henderson <rth@redhat.com>
268 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
269 note to a clobber insn when no other insn is available.
271 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
274 * doc/invoke.texi (Wenum-compare): Update documentation.
276 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
279 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
281 (altivec_stvlxl): Ditto.
282 (altivec_stvrx): Ditto.
283 (altivec_stvrxl): Ditto.
285 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
288 * trans-mem.c (expand_block_edges): Do not skip the first
289 statement when resetting the BB.
291 2012-06-04 Richard Guenther <rguenther@suse.de>
294 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
295 create new assembler names.
297 2012-06-04 Richard Guenther <rguenther@suse.de>
299 Backport from mainline
300 2012-04-25 Jakub Jelinek <jakub@redhat.com>
303 * stor-layout.c (get_best_mode): Don't return mode with bitsize
304 larger than maxbits. Don't compute maxbits modulo align.
305 Also check that unit bytes long store at bitpos / unit * unit
306 doesn't affect bits beyond bitregion_end.
307 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
308 would not fit into bitregion_start ... bitregion_end + 1 bit
310 (store_split_bit_field): Decrease unit close to end of bitregion_end
311 if access is restricted in order to avoid mutual recursion.
313 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
315 Backport from 2012-06-04 mainline r188172
318 * config/avr/avr-stdint.h: New file.
319 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
322 2012-06-04 Jakub Jelinek <jakub@redhat.com>
324 PR tree-optimization/53550
325 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
326 is POINTER_TYPE_P, use sizetype as step type instead of type.
328 2012-06-04 Richard Guenther <rguenther@suse.de>
329 Eric Botcazou <ebotcazou@adacore.com>
331 Backport from mainline
332 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
334 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
335 Change type of BITOFFSET to signed. Make sure the lower bound of
336 the computed range is non-negative by adjusting OFFSET and BITPOS.
337 (expand_assignment): Adjust call to get_bit_range.
339 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
341 * expr.c (get_bit_range): Return the null range if the enclosing record
342 is part of a larger bit field.
344 2012-03-20 Richard Guenther <rguenther@suse.de>
346 * stor-layout.c (finish_bitfield_representative): Fallback
347 to conservative maximum size if the padding up to the next
348 field cannot be computed as a constant.
349 (finish_bitfield_layout): If we cannot compute the distance
350 between the start of the bitfield representative and the
351 bitfield member start a new representative.
352 * expr.c (get_bit_range): The distance between the start of
353 the bitfield representative and the bitfield member is zero
354 if the field offsets are not constants.
356 2012-03-16 Richard Guenther <rguenther@suse.de>
358 * stor-layout.c (finish_bitfield_representative): Fall back
359 to the conservative maximum size if we cannot compute the
360 size of the tail padding.
362 2012-03-14 Richard Guenther <rguenther@suse.de>
364 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
365 * stor-layout.c (start_bitfield_representative): New function.
366 (finish_bitfield_representative): Likewise.
367 (finish_bitfield_layout): Likewise.
368 (finish_record_layout): Call finish_bitfield_layout.
369 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
370 for QUAL_UNION_TYPE fields.
371 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
372 Stream DECL_BIT_FIELD_REPRESENTATIVE.
373 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
378 * expr.c (get_bit_range): Unconditionally extract bitrange
379 from DECL_BIT_FIELD_REPRESENTATIVE.
380 (expand_assignment): Adjust call to get_bit_range.
382 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
385 * fold-const.c (fold_binary_loc): Refine previous change.
387 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
389 Backport from mainline
390 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
393 * config/sh/sh.c (find_barrier): Add equality check of last_got to
394 avoid going above orig insn. Update comments.
396 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
398 Backport from mainline
399 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
402 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
403 prologue for unwinder and profiler.
405 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
407 Backport from mainline
408 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
410 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
412 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
414 Backport from mainline
415 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
417 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
420 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
422 Backport from mainline
423 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
425 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
426 operand is CONST_INT. Take COSTS_N_INSNS into account.
427 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
430 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
432 * config/avr/avr.opt (-msp8): Document it.
433 * doc/invoke.texi (AVR Options): Copy from trunk docu.
435 2012-05-31 Richard Guenther <rguenther@suse.de>
438 * expr.c (expand_assignment): Do not use movmisalign on
441 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
444 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
445 (pa_section_type_flags): New.
446 (pa_legitimate_constant_p): Revert previous change.
448 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
450 Backport from mainline
451 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
454 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
456 (ipa_tm_create_version): Same.
458 2012-05-30 Jason Merrill <jason@redhat.com>
461 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
462 about array compound literals.
464 2012-05-30 Richard Guenther <rguenther@suse.de>
467 * fold-const.c (fold_binary_loc): Make sure to call
468 fold_plusminus_mult_expr with the original sign of operands.
470 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
472 * explow.c (probe_stack_range): Restore simple control flow and stop
473 again when the probe cannot be generated if HAVE_check_stack.
475 2012-05-30 Jakub Jelinek <jakub@redhat.com>
477 PR rtl-optimization/53519
478 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
479 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
481 2012-05-29 Richard Guenther <rguenther@suse.de>
483 PR tree-optimization/53516
484 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
486 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
488 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
490 Backport from mainline
491 2012-05-28 Richard Guenther <rguenther@suse.de>
493 PR tree-optimization/53438
494 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
496 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
498 Backport from mainline
499 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
501 PR rtl-optimization/52528
502 * combine.c (can_combine_p): Add setting of subst_low_luid
503 before call to expand_field_assignment().
505 2012-05-26 Martin Jambor <mjambor@suse.cz>
507 Backport from mainline
508 2012-05-23 Martin Jambor <mjambor@suse.cz>
510 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
512 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
515 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
516 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
518 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
521 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
522 (ix86_expand_vec_perm): Use int mode instead of float.
524 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
527 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
528 gnu_ld variables to yes.
529 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
530 (HAVE_GNU_AS): Likewise.
531 * config.in: Regenerate.
532 * configure: Likewise.
534 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
536 Backport from mainline
537 2012-03-12 Richard Guenther <rguenther@suse.de>
538 * config/arm/arm.c (neon_dereference_pointer): Do not call
539 covert during RTL expansion.
541 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
543 Backport from mainline
544 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
547 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
548 relied on signed overflow behavior.
550 2012-05-24 Richard Guenther <rguenther@suse.de>
553 * tree-profile.c (tree_profiling): Cleanup the CFG if
554 execute_fixup_cfg requests it.
556 2012-05-24 Jakub Jelinek <jakub@redhat.com>
558 PR tree-optimization/53465
559 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
560 vr0 into *vr, then vrp_meet that.
561 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
562 have any equivalences.
563 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
566 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
568 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
570 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
571 (iterative_hash_gimple_type): Adjust comment.
572 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
573 domain for an array type instead of the domain type itself.
575 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
577 Backport from 2012-05-23 mainline r187803
580 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
581 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
584 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
586 Backport from 2012-05-03 mainline r187075
588 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
589 has_fma4 for AMD processors with both fma3 and fma4 support.
591 2012-05-22 Richard Guenther <rguenther@suse.de>
593 PR tree-optimization/53408
594 * tree-vect-loop.c (vectorizable_induction): Properly check
595 the restriction that we cannot handle induction results from
596 the inner loop outside of the outer loop.
598 2012-05-21 Jakub Jelinek <jakub@redhat.com>
600 PR tree-optimization/53436
601 * omp-low.c (omp_build_component_ref): New function.
602 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
604 PR tree-optimization/53366
605 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
606 tests if complex_numbers == 2, but there are non-complex number loads
609 PR tree-optimization/53409
610 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
611 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
613 PR tree-optimization/53410
614 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
615 instead of build_int_cst (type, 0) where vector types might be
618 2012-05-21 Joseph Myers <joseph@codesourcery.com>
621 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
622 from folded operands before wrapping another around the
623 conditional expression.
625 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
626 Patrick Marlier <patrick.marlier@gmail.com>
628 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
631 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
633 Backport from mainline
634 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
637 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
638 (UNSPECV_RDRAND): This.
639 (rdrand<mode>_1): Updated.
641 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
643 Backport from mainline
644 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
646 * config/i386/driver-i386.c (host_detect_local_cpu): Support
647 RDRND, F16C and FSGSBASE.
649 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
651 Backport from mainline
652 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
654 * tree-ssa-pre.c (can_value_number_call): Delete.
655 (compute_avail): Skip all statements with side effects.
656 <GIMPLE_CALL>: Skip calls to internal functions.
658 2012-05-18 David S. Miller <davem@davemloft.net>
660 Backport r185385 from mainline
661 2012-03-14 Richard Guenther <rguenther@suse.de>
664 * tree-vect-generic.c (type_for_widest_vector_mode): Take
665 element type instead of mode, use build_vector_type_for_mode
666 instead of the langhook, build a vector of proper signedness.
667 (expand_vector_operations_1): Adjust.
669 2012-05-18 Olivier Hainque <hainque@adacore.com>
671 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
672 $(libsubdir) as libexecsubdir.
674 2012-05-16 Andrew Pinski <apinski@cavium.com>
676 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
679 2012-05-16 David S. Miller <davem@davemloft.net>
681 * jump.c (delete_related_insns): If we remove a CALL, make sure
682 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
684 2012-05-16 Richard Henderson <rth@redhat.com>
687 * combine-stack-adj.c (prev_active_insn_bb): New.
688 (next_active_insn_bb): New.
689 (force_move_args_size_note): New.
690 (combine_stack_adjustments_for_block): Use it.
692 2012-05-16 Olivier Hainque <hainque@adacore.com>
694 * Makefile.in (install-no-fixedincludes): New target, former toplevel
695 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
696 Add comments and improve stamp preservation across the whole sequence.
697 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
699 2012-05-16 Richard Guenther <rguenther@suse.de>
701 PR tree-optimization/53364
702 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
703 detect a view-conversion of the decl.
705 2012-05-15 Jakub Jelinek <jakub@redhat.com>
708 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
709 that operands[2] is either immediate, or q_regs_operand.
711 2012-05-15 Bin Cheng <bin.cheng@arm.com>
713 Backport r187139 from mainline.
714 2012-05-04 Bin Cheng <bin.cheng@arm.com>
716 PR rtl-optimization/52804
717 * reload1.c (reload_reg_reaches_end_p): Check whether successor
718 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
719 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
720 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
721 RELOAD_FOR_OUTADDR_ADDRESS.
723 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
726 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
727 generate target register for "load" class builtins.
730 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
734 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
735 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
736 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
737 (<sse>_movu<ssemodesuffix>): New expander.
738 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
739 (avx_movdqu<avxmodesuffix>): New expander.
740 (*sse2_movdqu): Rename from sse2_movdqu.
741 (sse2_movdqu): New expander.
743 2012-05-14 Jakub Jelinek <jakub@redhat.com>
745 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
746 lineno 1 the same as lineno 0 before first start file directive.
747 (optimize_macinfo_range): Likewise.
749 * dwarf2out.c (have_macinfo): Define.
750 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
751 attribute, don't force empty compilation unit and don't emit any
752 .debug_macinfo/.debug_macro section if macinfo_table is empty.
754 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
756 Backport from mainline
757 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
759 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
760 ORDERED and UNORDERED conditions.
762 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
764 * function.c (requires_stack_frame_p): If the function can throw
765 non-call exceptions, return true if the insn can throw internally.
767 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
769 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
770 DECL_ORIGINAL_TYPE if it is present.
772 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
774 Backport from 2012-05-12 mainline r187342.
777 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
778 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
779 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
780 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
781 (expand_prologue): Move initialization of cfun->machine->is_naked,
782 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
783 (avr_set_current_function): ...this new static function.
784 (TARGET_SET_CURRENT_FUNCTION): New define.
785 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
786 checking attributes of current_function_decl.
787 (avr_regs_to_save): Ditto.
788 (signal_function_p): Rename to avr_signal_function_p.
789 (interrupt_function_p): Rename to avr_interrupt_function_p.
791 * doc/extend.texi (Function Attributes): Better explanation of
792 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
795 2012-05-09 Matthias Klose <doko@ubuntu.com>
797 * gcc-ar.c (main): Don't check for execute bits for the plugin.
799 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
802 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
803 when a constant source operand matches an "I" constraint, the "no
804 CC0 change" applies to a register-destination only, not a
805 strict_low_part-destination.
807 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
809 Backport from mainline:
810 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
812 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
814 2012-05-07 Jakub Jelinek <jakub@redhat.com>
816 PR tree-optimization/53239
817 * tree-vrp.c (get_value_range): Set VR of
818 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
821 2012-05-07 Richard Guenther <rguenther@suse.de>
823 PR tree-optimization/53195
824 * tree-inline.c (setup_one_parameter): Properly add referenced
825 vars from the parameters new known value.
827 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
829 Backport from mainline:
830 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
833 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
836 2012-05-04 Ian Lance Taylor <iant@google.com>
838 * tree-vect-patterns.c (vect_single_imm_use): Correct return
839 values from false to NULL.
841 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
843 Backport from mainline
844 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
847 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
848 (TARGET_CMOV): Rename from TARGET_CMOVE.
849 (TARGET_CMOVE): New define.
850 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
851 Do not set TARGET_CMOVE here.
853 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
855 Backport from mainline:
857 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
859 PR tree-optimization/52633
860 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
861 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
862 (vect_recog_over_widening_pattern): Remove handling of code that was
863 already detected as over-widening pattern. Remove special handling
864 of "unsigned" cases. Instead, support general case of conversion
865 of the shift result to another type.
867 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
869 * tree-vect-patterns.c (vect_single_imm_use): New function.
870 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
871 (vect_recog_over_widening_pattern): Likewise.
872 (vect_recog_widen_shift_pattern): Likewise.
874 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
876 PR tree-optimization/52870
877 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
878 presumed pattern statement is within the same loop or basic block.
880 2012-05-04 Richard Guenther <rguenther@suse.de>
882 * common.opt (flto-report): Do not mark as Optimization.
884 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
887 * recog.c (constrain_operands): If extra constraints are present, also
888 accept pseudo-registers with equivalent memory locations during reload.
890 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
892 Backport from the mainline
893 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
896 * config/rs6000/rs6000.md (bswapdi splitters): If
897 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
898 default) is used, generate an alternate sequence that does not
899 depend on using indexed addressing.
901 2012-05-03 David S. Miller <davem@davemloft.net>
904 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
905 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
906 (sparc_emit_float_lib_cmp): Likewise.
908 2012-05-04 Martin Jambor <mjambor@suse.cz>
910 Backport from mainline
911 2012-05-02 Martin Jambor <mjambor@suse.cz>
914 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
915 of a variable when the contect is a function.
917 2012-05-03 Jakub Jelinek <jakub@redhat.com>
920 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
921 append program name to it and pass that as first argument
922 to make_relative_prefix. Always pass standard_libexec_prefix
923 as last argument to make_relative_prefix. If
924 make_relative_prefix returns NULL, fall back to
925 standard_libexec_prefix.
928 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
932 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
933 mode, return that mode.
935 2012-05-03 Richard Guenther <rguenther@suse.de>
937 PR tree-optimization/53144
938 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
940 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
941 with SSA name values.
942 (vn_reference_lookup_3): Adjust callers.
944 2012-05-02 Jakub Jelinek <jakub@redhat.com>
946 PR tree-optimization/53163
947 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
948 return value from compute_all_dependences.
950 PR rtl-optimization/53160
951 * ree.c (combine_reaching_defs): Handle the case where cand->insn
952 has been modified by ree pass already.
954 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
956 Backport from mainline
957 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
960 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
961 calls to cgraph_node_name in xstrdup.
962 (ipa_make_edge_direct_to_target): Ditto.
963 * tree-sra.c (convert_callers_for_node): Ditto.
964 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
965 * ipa-cp.c (perhaps_add_new_callers): Ditto.
966 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
967 (cgraph_materialize_all_clones): Ditto.
968 * ipa-inline.c (report_inline_failed_reason): Ditto.
969 (want_early_inline_function_p): Ditto.
970 (edge_badness): Ditto.
971 (update_edge_key): Ditto.
972 (flatten_function): Ditto.
974 (inline_always_inline_functions): Ditto.
975 (early_inline_small_functions): Ditto.
977 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
979 Backport from mainline
980 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
982 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
983 Introduce emul_name to select the right linker emulation for
984 powerpc64-*-freebsd*.
985 * configure: Regenerate.
986 * config.gcc: Add bits to support powerpc64-*-freebsd*.
987 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
988 * config/rs6000/freebsd64.h: New file.
989 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
991 (rs6000_savres_strategy): Likewise.
992 (rs6000_savres_routine_name): Likewise.
993 (rs6000_elf_file_end): Likewise.
994 * config/rs6000/t-freebsd64: New file.
995 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
996 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
998 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1000 Backport from mainline
1001 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1004 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1006 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1008 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1009 predicate to discriminate types.
1011 2012-04-27 Richard Guenther <rguenther@suse.de>
1014 * convert.c (convert_to_integer): Avoid infinite recursion for
1015 target-defined built-in types.
1017 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1020 * config/cris/cris.md ("*andhi_lowpart_v32")
1021 ("*andqi_lowpart_v32"): Change first input-only operand from
1022 a (match_operand ...) to (match_dup 0). Drop alternatives with
1023 const_int-matching constraints for redundancy.
1024 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1025 three-operand alternative.
1027 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1029 Backport from mainline
1030 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1032 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1033 (*addsi_2_zext): Ditto.
1034 (*add<mode>_3): Ditto.
1035 (*addsi_3_zext): Ditto.
1036 (*add<mode>_5): Ditto.
1038 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1041 * c-typeck.c (set_nonincremental_init,
1042 set_nonincremental_init_from_string): Pass true instead of false
1043 as IMPLICIT to add_pending_init.
1045 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1047 Backport from 2012-04-24 mainline r186768.
1050 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1052 2012-04-24 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/53085
1055 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1058 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1061 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1063 (output_addressed_constants): Likewise.
1066 * varasm.c (get_section): Don't ICE for section conflicts with
1067 built-in section kinds.
1069 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1071 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1073 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1075 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1077 2012-04-23 Richard Guenther <rguenther@suse.de>
1080 * c-typeck.c (build_binary_op): Fix typo.
1082 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1084 PR tree-optimizations/52891
1085 * tree-vect-patterns.c (adjust_bool_pattern): Use
1086 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1087 but with non-standard precision.
1089 2012-04-22 Ian Lance Taylor <iant@google.com>
1091 * godump.c (go_output_typedef): Dump size of structs.
1093 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1095 Backport from mainline:
1097 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1098 hints for 'A' operand types.
1100 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1102 Backport from 2012-04-19 mainline r186588.
1105 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1106 the case *(X+const).
1108 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1110 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1112 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1115 * config/i386/sync.md (atomic_<code><mode>): Rename to
1116 atomic_<logic><mode>.
1118 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1120 Backport from mainline
1121 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1124 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1125 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1126 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1127 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1128 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1129 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1130 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1131 gen_avx2_permvarv8sf.
1133 2012-04-16 Martin Jambor <mjambor@suse.cz>
1135 Backported from mainline
1137 2012-04-13 Martin Jambor <mjambor@suse.cz>
1140 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1141 fold_ctor_reference returns a zero constant.
1143 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1145 Backported from mainline
1146 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1148 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1149 and __ILP32__ for x32.
1151 2012-04-13 Tom de Vries <tom@codesourcery.com>
1153 Backport from mainline r186418.
1155 2012-04-13 Tom de Vries <tom@codesourcery.com>
1157 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1158 parameters vuse and vuse_escaped.
1159 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1160 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1163 2012-04-13 Richard Guenther <rguenther@suse.de>
1165 PR tree-optimization/52969
1166 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1167 the condition for the COND_EXPR and handle predicate negation
1168 by swapping the COND_EXPR arms.
1170 2012-04-13 Richard Guenther <rguenther@suse.de>
1173 * convert.c (convert_to_pointer): Remove special-casing of
1176 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1178 Backport from mainline
1179 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1182 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1183 the list of options to enable the FCFID instruction.
1184 (TARGET_EXTRA_BUILTINS): Adjust comment.
1186 2012-04-12 Richard Guenther <rguenther@suse.de>
1188 PR tree-optimization/52943
1189 * tree-chrec.h (chrec_is_positive): Remove.
1190 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1191 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1192 Return false for a constant zero instead of negative.
1193 (analyze_siv_subscript_cst_affine): Handle zero difference
1194 in the initial condition explicitely.
1196 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1199 * varasm.c (process_pending_assemble_externals): Set
1200 pending_assemble_externals_processed true.
1201 (assemble_external): Call assemble_external_real if the pending
1202 assemble externals have been processed.
1204 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1207 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1208 the DECL generated for the special GOT helper.
1210 2012-04-06 Walter Lee <walt@tilera.com>
1212 Backport from mainline
1213 2012-03-07 Walter Lee <walt@tilera.com>
1215 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1216 REG_CFA_* notes for the stack pointer.
1217 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1218 EH_RETURN_STACKADJ_RTX.
1219 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1220 generate REG_CFA_* notes for the stack pointer.
1221 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1222 by EH_RETURN_STACKADJ_RTX.
1224 2012-04-06 Matt Turner <mattst88@gmail.com>
1226 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1228 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1230 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1231 of the destination isn't also a FP_REGS register.
1233 2012-04-03 Richard Guenther <rguenther@suse.de>
1235 Backport from mainline
1236 2012-03-02 Richard Guenther <rguenther@suse.de>
1238 PR tree-optimization/52406
1239 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1240 (struct indices): Add unconstrained_base member.
1241 (struct dr_alias): Remove unused vops member.
1242 (DR_UNCONSTRAINED_BASE): New define.
1243 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1244 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1245 be an artificial access that covers the whole indexed object,
1246 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1247 plain decl base-objects to their MEM_REF variant.
1248 (dr_may_alias_p): When the base-object of either data reference
1249 has unknown size use only points-to information.
1250 (compute_affine_dependence): Make dumps easier to read and
1252 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1253 DR_REF when looking for packed references.
1254 (vect_supportable_dr_alignment): Likewise.
1256 2012-04-03 Richard Guenther <rguenther@suse.de>
1258 Backport from mainline
1259 2012-03-15 Richard Guenther <rguenther@suse.de>
1262 * tree-data-ref.c (subscript_dependence_tester_1): Check
1263 all dimensions for non-conflicting access functions.
1265 2012-04-03 Richard Guenther <rguenther@suse.de>
1267 Backport from mainline
1268 2012-03-06 Richard Guenther <rguenther@suse.de>
1271 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1273 2012-03-23 Richard Guenther <rguenther@suse.de>
1275 PR tree-optimization/52678
1276 * tree-vectorizer.h (struct _stmt_vec_info): Add
1277 loop_phi_evolution_part member.
1278 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1279 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1280 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1281 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1282 Use the cached evolution part and the PHI nodes value from
1283 the loop preheader edge instead of re-analyzing the evolution.
1285 2012-03-26 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/52701
1288 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1289 compute and set the evolution part of PHI nodes.
1291 2012-03-30 Richard Guenther <rguenther@suse.de>
1293 PR tree-optimization/52754
1294 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1295 propagate arbitrary addresses into really plain dereferences.
1297 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1299 PR tree-optimization/52835
1300 * tree-data-ref.c (build_rdg): Return NULL if
1301 compute_data_dependences_for_loop failed.
1303 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1305 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1306 (stmt_can_make_abnormal_goto): Use it.
1307 (is_ctrl_altering_stmt): Likewise.
1309 2012-03-31 Martin Jambor <mjambor@suse.cz>
1311 Backported from mainline
1312 2012-03-30 Martin Jambor <mjambor@suse.cz>
1314 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1315 is a builtin_stack_save in a dominating BB.
1317 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1319 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1320 crossing 128bit lane boundary.
1322 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1324 Backported from mainline
1325 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1328 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1330 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1331 * config/i386/i386.c: Include reload.h.
1332 (ix86_legitimize_reload_address): New function.
1334 2012-03-28 Martin Jambor <mjambor@suse.cz>
1336 Backported from mainline
1337 2012-03-27 Martin Jambor <mjambor@suse.cz>
1340 * tree-sra.c (sra_modify_assign): Do not call
1341 load_assign_lhs_subreplacements when working with an unscalarizable
1344 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1347 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1348 __builtin_va_start to __builtin_next_arg if the latter is
1349 builtin_decl_explicit_p rather than when it is not.
1352 * tree-vect-generic.c (vector_element): Perform multiplication
1353 for pos in bitsizetype type instead of idx type.
1355 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1357 Backport from 2012-03-28 mainline r185910.
1360 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1361 (avr_builtin_decl): New static function.
1362 (struct avr_builtin_description, avr_bdesc): Move up.
1363 Add GTY marker. Add field fndecl. Remove redundant field id.
1364 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1365 (avr_expand_builtin): Code cleanup because .id is removed.
1367 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1370 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1373 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1375 Backport from 2012-03-28 mainline r185907.
1378 * config.gcc (tm_file): Remove avr/multilib.h.
1380 * doc/invoke.texi (AVR Options): Adjust
1381 documentation of -mtiny-stack.
1383 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1384 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1385 * config/avr/t-avr: Remove generation of multilib.h.
1386 * config/avr/t-multilib: Regenerate.
1387 * config/avr/multilib.h: Remove.
1388 * config/avr/avr.opt (-msp8): New option.
1389 (avr_sp8): New variable.
1390 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1391 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1392 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1393 (avr_device_to_sp8): New prototype.
1394 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1395 (DRIVER_SELF_SPECS): New define.
1396 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1397 __AVR_SP8__, __AVR_HAVE_SPH__.
1398 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1399 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1400 (avr_file_start): Ditto.
1402 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1405 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1406 instead of 8 in adjust_address.
1408 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1410 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1411 of a unit before computing the offset in units.
1413 2012-03-27 Richard Guenther <rguenther@suse.de>
1416 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1419 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1422 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1424 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1427 * varasm.c: Include pointer-set.h.
1428 (pending_assemble_externals_set): New pointer set.
1429 (process_pending_assemble_externals): Destroy the pointer set.
1430 (assemble_external): See if decl is in pending_assemble_externals_set,
1431 and add it to pending_assemble_externals if necessary.
1432 (init_varasm_once): Allocate pending_assemble_externals_set.
1434 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1436 Backported from mainline
1437 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1440 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1441 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1442 (vector_ltgt<mode>): Likewise.
1443 (vector_ordered<mode>): Likewise.
1444 (vector_unordered<mode>): Likewise.
1445 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1447 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1449 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1452 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1454 Backported from mainline
1455 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1459 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1460 GENERAL_REGS and FP_REGS for SImode.
1462 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1465 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1466 on any new_local_var_chain vars declared during recursing on
1467 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1469 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1471 Backport from 2012-03-22 mainline r185692.
1474 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1475 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1476 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1477 (delay_cycles_1, delay_cycles_2): Ditto.
1478 (delay_cycles_3, delay_cycles_4): Ditto.
1479 (nopv, *nopv): Ditto.
1480 (sleep, *sleep): Ditto.
1483 Backport from 2012-03-21 mainline r185605.
1485 PR rtl-optimization/52543
1487 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1488 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1489 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1490 (avr_load_libgcc_p): Restrict to __flash loads.
1491 (avr_out_lpm): Only handle 1-byte loads from __flash.
1492 (avr_load_lpm): New function.
1493 (avr_find_unused_d_reg): Remove.
1494 (avr_out_lpm_no_lpmx): Remove.
1495 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1496 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1497 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1498 (load_<mode>, load_<mode>_clobber): New insns.
1499 (mov<mode>): For multi-byte move from non-generic
1500 16-bit address spaces: Expand to load_<mode> resp.
1501 load_<mode>_clobber.
1502 (load<mode>_libgcc): Remove expander.
1503 (split-lpmx): Remove split.
1505 Backport from 2012-03-13 mainline r185329.
1508 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1509 offset (size) to a value the insns can deal with.
1510 (expand_epilogue): Ditto.
1512 Backport from 2012-03-12 mainline r185256.
1515 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1516 type from reg_class_t to enum reg_class.
1517 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1519 Backport from 2012-03-12 mainline r185253.
1522 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1523 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1524 r184615 from 2012-02-28.
1526 Backport from 2012-03-08 mainline r185105.
1528 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1529 for constants in [-63,63].
1531 Backport from 2012-03-08 mainline r185100.
1534 * config/avr/avr.c (avr_mem_clobber): New static function.
1535 (avr_expand_delay_cycles): Add memory clobber operand to
1536 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1537 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1538 (enable_interrupt, disable_interrupt): New expander.
1539 (nopv, sleep, wdr): New expanders.
1540 (delay_cycles_1): Add memory clobber.
1541 (delay_cycles_2): Add memory clobber.
1542 (delay_cycles_3): Add memory clobber.
1543 (delay_cycles_4): Add memory clobber.
1544 (cli_sei): New insn from former "enable_interrupt",
1545 "disable_interrupt" with memory clobber.
1546 (*wdt): New insn from former "wdt" with memory clobber.
1547 (*nopv): Similar, but for "nopv".
1548 (*sleep): Similar, but for "sleep".
1550 Backport from 2012-03-07 mainline r185043.
1553 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1555 Backport from 2012-03-07 mainline r185032.
1558 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1559 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1560 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1562 Backport from 2012-03-07 mainline r185031.
1565 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1567 * config/avr/avr.md (xload_8): Adjust insn length.
1569 Backport from 2012-03-07 mainline r185030.
1572 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1573 if RAMPZ affects reading from RAM.
1575 Backport from 2012-03-05 mainline r184919.
1577 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1579 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1581 Backport from mainline r185259.
1584 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1585 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1587 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1589 Backported from mainline
1590 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1593 * c-parser.c (c_parser_postfix_expression)
1594 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1596 * config/i386/smmintrin.h: Avoid /* within a comment.
1597 * config/i386/nmmintrin.h: Likewise.
1599 2012-03-22 Richard Guenther <rguenther@suse.de>
1601 * BASE-VER: Set to 4.7.1.
1602 * DEV-PHASE: Set to prerelease.
1604 2012-03-22 Release Manager
1606 * GCC 4.7.0 released.
1608 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1610 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1612 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1613 Andrew Pinski <apinski@cavium.com>
1616 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1617 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1618 calls instead of __builtin_ir{int,ound}*.
1620 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1623 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1626 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1628 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1629 Refer to GCC 4.7 version of c99status.html.
1631 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1633 Backport from mainline
1634 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1636 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1637 redefine to be NULL if the current bit-size is different from the
1638 configured bit-size.
1640 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1641 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1642 set the default tuning. Add asserts to make sure the cpu and tune
1643 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1644 test whether the index is set, instead of > 0.
1645 (rs6000_file_start): Do not reset the default cpu if the current
1646 bit-size is different from the configured bit-size.
1648 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1650 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1652 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1653 Update binutils references.
1654 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1655 Update binutils reference.
1656 Update Sun as/GNU ld caveat.
1657 Document binutils largefile requirement for LTO plugin.
1658 Remove reference to alternate libpthread.
1660 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1662 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1664 (Specific, mips-sgi-irix6): Likewise.
1666 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1668 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1669 * configure: Regenerate.
1671 2012-03-07 Richard Henderson <rth@redhat.com>
1673 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1674 * config/m68k/sync.md (atomic_test_and_set): Use it.
1675 (atomic_test_and_set_1): Likewise.
1677 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1680 * Makefile.in: Let install-gcc-ar depend on installdirs,
1681 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1682 Don't double canonicalize if cross-compiling.
1684 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1686 * trans-mem.c: New typedef for tm_region_p.
1687 Define vector types for tm_region_p.
1688 (tm_region_init): Replace region_worklist to a vector called
1691 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1694 * trans-mem.c (tm_region_init): Use last_basic_block.
1696 2012-03-05 Richard Henderson <rth@redhat.com>
1699 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1700 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1701 BIGGEST_ALIGNMENT is aligned.
1703 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1705 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1707 2012-03-05 Richard Henderson <rth@redhat.com>
1710 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1711 instead of calling negqi2 directly.
1713 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1715 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1716 (INTMAX_TYPE): Use it.
1717 (UINTMAX_TYPE): Likewise.
1718 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1719 (irix6_c_common_override_options): Declare.
1720 (C_COMMON_OVERRIDE_OPTIONS): Define.
1721 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1722 * config/mips/irix6-c.c: New file.
1723 * config/mips/t-irix6 (irix6-c.o): New target.
1724 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1727 2012-03-02 Richard Henderson <rth@redhat.com>
1729 * optabs.c (expand_atomic_test_and_set): Honor
1730 atomic_test_and_set_trueval even when atomic_test_and_set
1731 optab is not in use.
1733 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1735 Backport from mainline
1736 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1738 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1740 2012-03-02 Richard Guenther <rguenther@suse.de>
1742 * DEV-PHASE: Set to prerelease.
1744 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1746 * config.gcc (obsolete): Add all ARM targets using the FPA.
1747 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1748 * doc/install.texi: Avoid references to obsolete ARM ports.
1750 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1752 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1754 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1755 Joern Rennecke <joern.rennecke@embecosm.com>
1757 * doc/extend.texi: Expand and update information on interrupt
1758 attribute for Epiphany.
1760 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1762 * config/sh/sh-protos.h: Update copyright notice dates.
1763 * config/sh/sh.h: Likewise.
1764 * config/sh/sh.md: Likewise.
1765 * config/sh/constraints.md: Likewise.
1766 * config/sh/predicates.md: Likewise.
1768 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1770 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1771 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1773 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1775 * config/sh/constraints.md: Fix comment typo.
1777 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1780 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1781 unsigned HOST_WIDE_INT.
1782 (zvdep_imm64): Likewise.
1783 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1784 (vdepi_and): Likewise.
1785 Likewise for unamed 64-bit patterns.
1786 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1788 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1791 PR rtl-optimization/52417
1792 * cselib.c (cselib_any_perm_equivs): New variable.
1793 (cselib_reset_table): Check that it's not set when not
1794 preserving constants.
1795 (cselib_add_permanent_equiv): Set it.
1796 (cselib_have_permanent_equivalences): New.
1797 (cselib_init, cselib_finish): Reset it.
1798 * cselib.h (cselib_have_permanent_equivalences): Declare.
1799 * alias.c (get_addr): Restore earlier behavior when there
1800 aren't permanent equivalences.
1802 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1804 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1805 * config/v850/v850-modes.def: Fix copyright notice.
1807 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1809 * doc/extend.texi (AVR Built-in Functions): Document
1810 __builtin_avr_flash_segment.
1812 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1813 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1814 (*split.flash_segment): New insn-and-split.
1815 * config/avr/avr.c (avr_init_builtins): Add local variables:
1816 const_memx_void_node, const_memx_ptr_type_node,
1817 char_ftype_const_memx_ptr.
1819 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1821 PR tree-optimization/52445
1822 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1823 add ssa_name_ver, offset and size fields and change store field
1825 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1826 (add_or_mark_expr): Likewise. Only consider previous stores
1827 with the same size and offset.
1828 (nt_init_block): Only look at gimple_assign_single_p stmts,
1829 doesn't look at rhs2.
1831 2012-03-01 Richard Guenther <rguenther@suse.de>
1834 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1835 conversions from integral types to pointer types.
1837 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1839 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1840 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1841 unintentionally removed in r184616.
1843 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1845 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1848 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1849 Uros Bizjak <ubizjak@gmail.com>
1852 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1853 alternatives, add "e" constraint to the new last alternative
1854 and ! to last 3 alternatives.
1856 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1858 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1859 DW_AT_artificial attributes at the end of the processing.
1860 (gen_array_type_die): Likewise.
1861 (gen_enumeration_type_die): Likewise.
1862 (gen_struct_or_union_type_die): Likewise.
1863 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1866 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1869 * expr.c (expand_assignment): If doing misaligned store that doesn't
1870 cover all mode bits, perform a RMW cycle.
1872 PR tree-optimization/52429
1873 * tree-parloops.c (separate_decls_in_region_debug): Return early
1874 if var is LABEL_DECL.
1876 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1878 PR tree-optimization/52424
1879 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1880 calling dom_thread_across_edge.
1882 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1884 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1886 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1888 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1889 * config/avr/avr.c (avr_output_bld): Remove unused function.
1890 (avr_out_sbxx_branch): Use "%T" to print bit position.
1892 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1894 * config/avr/avr.md: Untabify.
1896 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1898 * config/avr/avr.md (eqne): New code iterator.
1899 (*dec-and-branchsi): Use it in text peephole's condition.
1900 (*dec-and-branchhi): Ditto.
1901 (*dec-and-branchqi): Ditto.
1903 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1906 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1907 the device does not have the skip-bug.
1909 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1911 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1912 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1913 -mpretend-cmove): New.
1915 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1918 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1919 doesn't count DEBUG_INSN refs.
1920 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1921 for DEBUG_INSN refs.
1923 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1927 2012-02-20 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/52298
1929 * tree-vect-stmts.c (vectorizable_load): Properly use
1930 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1933 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1936 * gimple.h (gimple_in_transaction): New.
1937 (gimple_set_in_transaction): New.
1938 (struct gimple_statement_base): Add in_transaction field.
1939 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1941 (tree_ssa_lim_initialize): Compute transaction bits.
1942 * tree.h (compute_transaction_bits): Protoize.
1943 * trans-mem.c (tm_region_init): Use the heap to store BB
1945 (compute_transaction_bits): New.
1947 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1949 * gcc.c (display_help): Document --help=common and sort entries
1952 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1954 * doc/install.texi: Document check-$LANG specific shortcuts
1956 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1959 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1961 * config/arm/arm_neon.h: Regenerate.
1962 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1963 (neon_vcgeu): New insn.
1964 (neon_vcgtu): Likewise.
1965 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1966 (ops): Unsigned comparison intrinsics call a different
1969 2012-02-28 Richard Guenther <rguenther@suse.de>
1972 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1973 ordering for the VEC_CONCAT for two element vectors for
1974 V2SFmode, V2SImode and V2DImode.
1976 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1979 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1980 detecting big-endian triplets.
1982 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1984 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1985 mode if there is no type information available.
1987 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1989 PR tree-optimization/53207
1990 * doc/invoke.texi: Document as experimental and relying on graphite.
1992 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1994 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1995 of initializer to changes from r184614.
1997 2012-02-28 Richard Guenther <rguenther@suse.de>
1999 PR tree-optimization/52395
2000 * tree-sra.c (build_ref_for_offset): Also look at the base
2001 TYPE_ALIGN when figuring out the alignment of the replacement.
2003 2012-02-28 Richard Guenther <rguenther@suse.de>
2005 PR tree-optimization/52402
2006 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2007 mis-aligned types when creating the accesses at the call site.
2009 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2011 * config/avr/builtins.def: New file.
2012 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2013 * config/avr/avr.c (enum avr_builtin_id): Use it.
2014 (avr_init_builtins): Use it. And use avr_bdesc.
2015 (bdesc_1arg): Remove.
2016 (bdesc_2arg): Remove.
2017 (bdesc_3arg): Remove.
2018 (struct avr_builtin_description): Add field n_args.
2019 (avr_bdesc): New static variable using builtins.def.
2020 (avr_expand_builtin): Use it.
2021 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2022 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2023 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2025 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2028 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2029 match only one single hard register with respective hard reg rtx.
2030 (movmemx_<mode>): Ditto.
2031 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2032 insn anatomy of movmem[x]_<mode>.
2033 (avr_out_movmem): Same for printing assembler and operand usage.
2035 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2039 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2040 address spaces located outside of device flash.
2042 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2043 (mcu_type_s): Add field n_flash.
2044 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2045 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2046 (AVR_MCU): Add N_FLASH argument.
2047 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2048 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2049 macro __FLASH<n> if that address space makes sense for the device.
2050 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2051 outside of target flash.
2052 (avr_asm_named_section): Ditto.
2053 (avr_asm_select_section): Ditto.
2054 (avr_addr_space_convert): Ditto.
2055 (avr_emit_movmemhi): Ditto.
2056 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2057 address space is outside of device flash.
2058 (avr_insert_attributes): Ditto.
2059 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2060 avr_current_arch->n_segments.
2062 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2065 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2067 (*movabs<mode>_2): Likewise.
2069 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2072 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2073 s_register_operand in the test instead of REG_P. Don't call
2074 gen_reg_rtx if it won't be used.
2076 PR tree-optimization/52376
2077 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2079 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2081 * ifcvt.c (noce_get_condition): Check condition variable is not
2082 small_register_classes_for_mode_p before accepting.
2084 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2086 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2088 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2091 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2092 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2094 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2096 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2098 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2100 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2102 * config/sh/predicates.md: Remove blank lines.
2103 * config/sh/sh.c: Fix typos in comments.
2104 * config/sh/constraints.md: Likewise.
2105 * config/sh/sh.md: Remove blank lines.
2106 Fix typos in comments. Use ;; as comment characters.
2108 2012-02-26 Walter Lee <walt@tilera.com>
2110 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2111 (replace_mov_pcrel_step2): Ditto.
2113 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2116 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2117 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2118 and locs that reference values newer than the non-canonical value
2119 at hand. Return the canonical value as a worst case.
2120 (memrefs_conflict_p): Walk canonical value's locs.
2123 * cselib.c (preserve_only_constants): Rename to...
2124 (preserve_constants_and_equivs): ... this. Split out...
2125 (invariant_or_equiv_p): ... this. Preserve plus expressions
2126 of other preserved expressions too.
2127 (cselib_reset_table): Adjust.
2128 * var-tracking.c (reverse_op): Use canonical value to build
2131 2012-02-23 Kai Tietz <ktietz@redhat.com>
2133 * config/i386/i386.c (ix86_delegitimize_address): Handle
2134 UNSPEC_PCREL plus displacement.
2136 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2139 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2140 to test for unusedness in st X addressing.
2142 2012-02-24 Richard Guenther <rguenther@suse.de>
2145 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2146 (is_gimple_reg_type): Move inline ...
2147 * gimple.h (is_gimple_reg_type): ... here.
2149 2012-02-24 Richard Guenther <rguenther@suse.de>
2152 * passes.c (execute_function_todo): When verifying SSA form
2153 verify gimple form first.
2154 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2156 2012-02-24 Richard Guenther <rguenther@suse.de>
2159 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2160 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2162 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2164 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2166 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2168 * tree-phinodes.c (make_phi_node): Mark static.
2169 * tree-flow.h (make_phi_node): Remove extern decl.
2170 * doc/gimple.texi (make_phi_node): Remove documentation.
2172 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2174 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2175 * tree-ssa-sccvn.c (print_scc): Ditto.
2177 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2179 * doc/passes.texi (Full redundancy elimination): Fix typo.
2181 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2183 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2185 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2188 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2190 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2193 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2195 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2197 * config/avr/avr.md (code_stdname): Add ior, xor.
2198 (xior): New code iterator.
2199 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2200 (*<code_stdname><mode>qi.byte1-3): Ditto.
2202 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2204 PR tree-optimization/52019
2205 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2208 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2210 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2211 HAVE_INITFINI_ARRAY to work around namespace pollution in
2212 certain versions of newlib system headers.
2213 * config.in: Regenerate.
2214 * configure: Regenerate.
2215 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2216 instead of HAVE_INITFINI_ARRAY.
2218 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2221 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2222 is not offsettable memory reference.
2224 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2227 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2228 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2230 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2232 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2233 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2235 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2237 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2238 library on Solaris 8 even without TLS support.
2239 * configure: Regenerate.
2241 2012-02-22 Richard Guenther <rguenther@suse.de>
2244 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2245 for GIMPLE_DEBUG stmts.
2247 2012-02-22 Martin Jambor <mjambor@suse.cz>
2250 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2251 according to the base object.
2253 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2255 PR rtl-optimization/50063
2256 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2257 and 2 (8-bit SP) in operand 2.
2258 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2259 setup to use movhi_sp_r instead of vanilla move to write SP.
2260 Adjust REG_CFA notes to superseed unspec.
2261 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2263 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2264 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2265 irq_state 1 (IRQ known to be on) here.
2267 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2269 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2271 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2272 assign_hard_reg): Likewise.
2274 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2276 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2278 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2281 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2282 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2284 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2286 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2287 prototype from here to...
2288 * config/avr/avr.h: ...here.
2290 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2293 * thumb2.md (thumb2_shiftsi3_short): Split register and
2294 immediate shifts. For register shifts tie operands 0 and 1.
2295 (peephole2 for above): Check that register-controlled shifts
2296 have suitably tied operands.
2298 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2301 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2302 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2303 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2304 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2305 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2306 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2307 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2308 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2309 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2310 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2311 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2312 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2313 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2314 bdver1_ssevector_avx256_unaligned_load,
2315 bdver1_ssevector_sse128_unaligned_load,
2316 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2317 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2318 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2319 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2320 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2321 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2322 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2323 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2324 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2325 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2326 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2327 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2328 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2329 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2330 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2331 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2332 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2333 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2334 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2335 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2336 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2337 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2338 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2339 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2340 bdver1_ssediv_double_load, bdver1_ssediv_double,
2341 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2342 Add "bdver2" attribute.
2344 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2346 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2347 default if possible and not specified otherwise.
2349 2012-02-21 Richard Guenther <rguenther@suse.de>
2352 * gimplify.c (create_tmp_from_val): Use the main variant type
2353 for the type of the temporary we create.
2355 2012-02-21 Richard Guenther <rguenther@suse.de>
2357 PR tree-optimization/52324
2358 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2359 do not gimplify a MEM_REF address operand if it is already
2362 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2364 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2365 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2367 2012-02-21 Richard Guenther <rguenther@suse.de>
2369 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2370 nested_in_vect_loop.
2372 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2374 PR tree-optimization/52318
2375 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2376 vdef also to non-pure/const call stmts in the sequence.
2378 2012-02-20 David S. Miller <davem@davemloft.net>
2380 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2381 don't use the "rd %pc" instruction on v9 for PIC register loads.
2383 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2386 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2387 in a transaction safe function.
2389 2012-02-20 Kai Tietz <ktietz@redhat.com>
2392 * stor-layout.c (place_field): Handle desired_align for
2395 2012-02-20 Richard Guenther <rguenther@suse.de>
2397 PR tree-optimization/52298
2398 * tree-vect-stmts.c (vectorizable_store): Properly use
2399 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2401 (vectorizable_load): Likewise.
2402 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2403 Access DR_STEP after ensuring it is not NULL.
2405 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2407 PR tree-optimization/52286
2408 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2409 optimization use double_int_to_tree instead of build_int_cst_wide,
2410 rewrite to use double_int vars.
2412 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2415 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2417 Remove -e 0 from $gcc_cv_ld invocation.
2418 Only use __GLIBC_PREREQ if defined.
2419 Enable on Solaris since Solaris 8 patch.
2420 (gcc_SUN_LD_VERSION): New macro.
2421 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2422 gcc_SUN_LD_VERSION for version number format.
2423 * configure: Regenerate.
2424 * varasm.c (get_elf_initfini_array_priority_section): Set
2425 SECTION_NOTYPE for non-default priority.
2426 Use get_section instead of get_unnamed_section to emit
2427 .init_array/.fini_array with default priority.
2429 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2431 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2432 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2433 (mips_start_unique_function, mips_output_mips16_rdhwr)
2434 (mips_code_end): New functions.
2435 (TARGET_ASM_CODE_END): Define.
2437 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2439 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2440 to stubs with non-sibling calls.
2442 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2444 * doc/invoke.texi (-fira-* options): Copy-edit.
2445 (ira-* parameters): Copy-edit.
2447 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2449 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2450 GCC coding conventions.
2452 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2454 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2455 when used as adjectives.
2457 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2459 * doc/invoke.texi: Clean up "that"/"which" confusion.
2461 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2463 * system.h: Poison SMALL_REGISTER_CLASSES
2464 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2465 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2467 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2469 PR tree-optimization/52285
2470 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2471 when deciding if a call is a tail call or tail recursion.
2473 2012-02-16 Kai Tietz <ktietz@redhat.com>
2475 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2476 interger-constant displacement for UNSPEC_PCREL.
2478 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2480 PR rtl-optimization/52208
2481 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2482 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2484 PR tree-optimization/52255
2485 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2486 loop->header has virtual PHI, but exit_e->dest doesn't, add
2487 virtual PHI to exit_e->dest and adjust all uses after the loop.
2490 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2491 children with clone_tree_hash, not after it.
2493 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2495 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2496 extended identifiers.
2498 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2501 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2502 a same_body_alias, also test whether e->callee isn't a former
2503 or current clone of the decl this is a same body alias of.
2505 PR translation/52264
2506 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2508 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2510 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2512 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2515 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2516 force_reg instead of copy_to_reg for better optimization. Force
2517 non-register or memory operands into a register.
2519 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2521 * extend.texi: Reserve upper bits of memory model for future use.
2523 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2524 Anatoly Sokolov <aesok@post.ru>
2525 Eric Weddington <eric.weddington@atmel.com>
2528 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2529 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2530 Rewrite initializers for .macro.
2531 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2532 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2533 atxmega32d4, atxmega32x1.
2534 avrxmega4: atxmega64a3, atxmega64d3.
2535 avrxmega5: atxmega64a1, atxmega64a1u.
2536 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2537 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2538 avrxmega7: atxmega128a1, atxmega128a1u.
2539 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2540 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2541 (struct base_arch_s): Rename reserved to xmega_p.
2542 Rename reserved2 to have_rampd.
2543 (AVR_XMEGA): New define.
2544 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2545 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2546 * config/avr/predicates.md (io_address_operand): Take into
2548 (low_io_address_operand): Ditto.
2549 (high_io_address_operand): Ditto.
2550 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2551 (enabled, movhi_sp_r): Use them.
2552 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2553 cpp_define_formatted to built-in define __AVR_ARCH__.
2554 (__AVR_XMEGA__): New built-in define.
2555 (__AVR_HAVE_RAMPD__): New built-in define.
2556 (__AVR_HAVE_RAMPX__): New built-in define.
2557 (__AVR_HAVE_RAMPY__): New built-in define.
2558 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2560 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2561 (avr_option_override): Initialize them.
2562 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2563 (avr_init_expanders): Initialize them. No more block several calls.
2564 (emit_push_sfr): New static function.
2565 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2567 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2568 (avr_print_operand): Print addreeses as symbols for
2569 RAMPX, RAMPY, RAMPD, CCP.
2570 (output_movhi): Handle AVR_XMEGA when writing to SP.
2571 (avr_out_movhi_mr_r_xmega): New static function.
2572 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2573 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2574 __RAMPD__, __CCP__ as needed.
2576 * config/avr/multilib.h: Regenerate.
2577 * config/avr/t-multilib: Regenerate.
2578 * config/avr/avr-tables.opt: Regenerate.
2580 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2582 PR tree-optimization/50561
2583 * graphite-flattening.c (lst_project_loop): Do not
2584 remove old scattering dimensions after flattening.
2585 (lst_do_flatten): Likewise.
2587 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2589 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2590 __builtin_avr_map8, __builtin_avr_map16.
2591 Document __builtin_avr_insert_bits.
2593 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2594 (insert_bits): New insn.
2595 (adjust_len.map_bits): Rename to insert_bits.
2596 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2597 * avr-protos.h (avr_out_map_bits): Remove.
2598 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2599 * config/avr/constraints.md (Cxf,C0f): New.
2600 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2601 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2602 New built-in define __BUILTIN_AVR_INSERT_BITS.
2603 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2604 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2605 (avr_move_bits): Rewrite.
2606 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2608 (avr_map_op_t): New typedef.
2609 (avr_map_op): New static variable.
2610 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2611 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2612 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2613 (bdesc_3arg, avr_expand_triop_builtin): New.
2614 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2615 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2616 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2617 (avr_map_equal_p, avr_map_sig_p): Remove.
2618 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2619 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2620 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2621 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2622 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2623 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2625 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2627 * config/c6x/c6x.md (reserve_cycles): New attribute.
2628 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2629 don't reserve functional units after the branch occurs.
2631 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2634 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2635 functions into non-tm_pure functions.
2637 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2640 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2641 (iterative_hash_canonical_type): Likewise.
2642 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2645 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2647 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2648 sched-group insn, it either remains alone or the entire list is pruned.
2650 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2652 * doc/install.texi (Prerequisites): Fix grammar.
2653 (Configuration): Likewise.
2655 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2657 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2658 MPC as part of GCC before describing configuring with --with-gmp etc.
2659 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2660 sources are present.
2662 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2665 * dwarf2out.c (clone_tree_hash): New function.
2666 (copy_decls_walk): Use it instead of clone_tree.
2668 2012-02-14 Richard Guenther <rguenther@suse.de>
2670 PR tree-optimization/52244
2671 PR tree-optimization/51528
2672 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2673 replacements for integral types.
2675 2012-02-14 Walter Lee <walt@tilera.com>
2677 * config.gcc: Handle tilegx and tilepro.
2678 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2680 Add HAVE_AS_TLS check for tilegx and tilepro.
2681 * configure: Regenerate.
2682 * doc/contrib.texi: Add Mat Hostetter and self.
2683 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2684 Document instruction intrinsics and network accessing intrinsics.
2685 (TILEPro Built-in Functions): New node. Document instruction
2686 intrinsics and network accessing intrinsics.
2687 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2688 (Specific, tilepro-*-linux*): Likewise.
2689 * doc/invoke.texi (TILE-Gx Options): New section.
2690 (TILEPro Options): New section.
2691 * doc/md.texi (TILE-Gx): New section.
2692 (TILEPro): New section.
2693 * common/config/tilegx/tilegx-common.c: New file.
2694 * common/config/tilepro/tilepro-common.c: New file.
2695 * config/tilegx/constraints.md: New file.
2696 * config/tilegx/linux.h: New file.
2697 * config/tilegx/mul-tables.c: New file.
2698 * config/tilegx/predicates.md: New file.
2699 * config/tilegx/sync.md: New file.
2700 * config/tilegx/t-tilegx: New file.
2701 * config/tilegx/tilegx-builtins.h: New file.
2702 * config/tilegx/tilegx-c.c: New file.
2703 * config/tilegx/tilegx-generic.md: New file.
2704 * config/tilegx/tilegx-modes.def: New file.
2705 * config/tilegx/tilegx-multiply.h: New file.
2706 * config/tilegx/tilegx-protos.h: New file.
2707 * config/tilegx/tilegx.c: New file.
2708 * config/tilegx/tilegx.h: New file.
2709 * config/tilegx/tilegx.md: New file.
2710 * config/tilegx/tilegx.opt: New file.
2711 * config/tilepro/constraints.md: New file.
2712 * config/tilepro/gen-mul-tables.cc: New file.
2713 * config/tilepro/linux.h: New file.
2714 * config/tilepro/mul-tables.c: New file.
2715 * config/tilepro/predicates.md: New file.
2716 * config/tilepro/t-tilepro: New file.
2717 * config/tilepro/tilepro-builtins.h: New file.
2718 * config/tilepro/tilepro-c.c: New file.
2719 * config/tilepro/tilepro-generic.md: New file.
2720 * config/tilepro/tilepro-modes.def: New file.
2721 * config/tilepro/tilepro-multiply.h: New file.
2722 * config/tilepro/tilepro-protos.h: New file.
2723 * config/tilepro/tilepro.c: New file.
2724 * config/tilepro/tilepro.h: New file.
2725 * config/tilepro/tilepro.md: New file.
2726 * config/tilepro/tilepro.opt: New file.
2728 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2730 PR tree-optimization/52210
2731 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2732 vect_model_simple_cost with two entry vect_def_type array instead
2733 of an address of dt.
2735 2012-02-14 Richard Guenther <rguenther@suse.de>
2738 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2739 Do not stream DECL_QUALIFIER.
2740 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2741 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2742 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2744 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2747 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2750 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2753 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2754 * cselib.c (cselib_subst_to_values_from_insn): New function.
2755 * sched-deps.c (add_insn_mem_dependence,
2756 sched_analyze_1, sched_analyze_2): Use it.
2758 2012-02-13 Jan Hubicka <jh@suse.cz>
2761 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2763 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2765 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2766 (GTM_SELF_SPECS): Define if not already defined.
2767 (driver_self_specs): Add GTM_SELF_SPECS.
2768 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2769 (GTM_SELF_SPECS): Define.
2770 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2771 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2773 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2775 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2778 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2781 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2782 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2784 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2787 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2789 2012-02-13 Richard Guenther <rguenther@suse.de>
2791 PR translation/52211
2792 * passes.c (enable_disable_pass): Fix typo.
2794 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2797 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2798 XOR for reduce_bit_field if type is unsigned.
2800 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2802 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2803 disallow changes from SFmode to mode with different size in FP regs.
2805 2012-02-12 Robert Millan <rmh@gnu.org>
2806 Gerald Pfeifer <gerald@pfeifer.com>
2808 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2811 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2813 PR rtl-optimization/52175
2814 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2815 to frame-related instructions.
2817 2012-02-10 Jason Merrill <jason@redhat.com>
2820 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2821 (demangle_new_symbols): Fill it.
2822 (scan_linker_output): Walk it.
2823 (start_tweaking): Split out from scan_linker_output.
2824 (maybe_tweak): Update sym->chosen.
2825 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2827 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2830 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2832 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2834 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2835 having the same mode as previous compare.
2837 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2839 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2840 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2841 (nonlocal_goto_internal): Likewise.
2842 (nonlocal_goto): Emit a use and an indirect jump directly.
2844 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2847 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2848 __atomic_{is,always}_lock_free.
2850 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2853 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2854 negative constant address for x32.
2856 2012-02-10 Richard Henderson <rth@redhat.com>
2858 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2859 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2860 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2862 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2863 Ira Rosen <irar@il.ibm.com>
2865 PR tree-optimization/50031
2866 * targhooks.c (default_builtin_vectorization_cost): Handle
2868 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2869 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2870 all types of reduction and pattern statements.
2871 (vect_estimate_min_profitable_iters): Likewise.
2872 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2873 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2874 for explicit realigns.
2875 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2876 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2878 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2879 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2880 vec_perm for VSX and handle vec_promote_demote.
2882 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2885 * builtins.c (fold_builtin_atomic_always_lock_free,
2886 expand_builtin_atomic_always_lock_free,
2887 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2888 Return and/or test boolean_true_node/boolean_false_node instead of
2889 integer_one_node/integer_zero_node.
2891 2012-02-10 Jan Hubicka <jh@suse.cz>
2894 * predict.c (predict_paths_for_bb): Prevent looping.
2895 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2897 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2899 * config/arm/arm.c (output_move_double): In one case properly
2900 count number of instructions that will be emitted.
2902 2012-02-10 Richard Guenther <rguenther@suse.de>
2904 PR translation/52193
2905 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2907 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2910 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2912 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2915 * var-tracking.c (emit_note_insn_var_location): If
2916 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2917 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2918 non-NOTE_DURING_CALL_P insn.
2920 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2923 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2925 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2928 * gcc.c (switch_matches) Support switches with separated form,
2931 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2933 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2935 (RAMPZ_ADDR): Ditto.
2936 * config/avr/avr.c (avr_addr_t): New typedef.
2937 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2938 (avr_init_expanders): Initialize it.
2939 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2941 (expand_epilogue): Ditto.
2942 (avr_print_operand): Ditto.
2943 (avr_file_start): Ditto.
2944 (avr_emit_movmemhi): Ditto.
2946 2012-02-08 Richard Guenther <rguenther@suse.de>
2948 PR tree-optimization/46886
2949 * tree-flow.h (do_while_loop_p): Declare.
2950 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2951 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2953 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2955 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2956 always succeed for integers larger than a native word.
2958 2012-02-08 Richard Guenther <rguenther@suse.de>
2960 PR rtl-optimization/52170
2961 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2962 properly handle integer vector modes.
2964 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2966 PR gcov-profile/52150
2967 * coverage.c: Include target.h.
2968 (build_var): Call targetm.strip_name_encoding on the assembler name.
2969 Change one _ into . or $ if the target allows it.
2970 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2972 PR rtl-optimization/52139
2973 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2974 is a BARRIER after emit_insn_after_noloc, move BB_END
2975 to the last non-BARRIER insn before it.
2977 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2980 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2981 (mips_gimplify_va_arg_expr): Call it instead of
2982 std_gimplify_va_arg_expr.
2984 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2986 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2987 message for -mno-pointers-to-nested-function.
2989 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2992 * expr.c (get_inner_reference): If there is an offset, add a negative
2993 bit position to it (if any).
2995 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2997 PR rtl-optimization/52060
2998 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2999 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3000 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3001 and/or i0src_copy2 when needed.
3003 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3005 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3006 or LTOPLUGINSONAME if have_c.
3008 * config/freebsd-spec.h: Add comment about what macros can be defined
3010 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3011 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3014 2012-02-07 Richard Guenther <rguenther@suse.de>
3016 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3017 newline in -alias dumps.
3019 2012-02-07 Kai Tietz <ktietz@redhat.com>
3020 Dave Korn <dave.korn.cygwin@gmail.com>
3023 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3024 Take care that typinfo gets dllexport-attribute.
3026 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3029 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3030 if modifier < EXPAND_SUM call force_operand on the result.
3032 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3034 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3035 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3037 (epiphany_function_type): Replace types for specific interrupts with
3038 EPIPHANY_FUNCTION_INTERRUPT.
3039 (EPIPHANY_INTERRUPT_P): Update.
3040 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3041 New static function.
3042 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3043 <disinterrupt>: Affects type identity.
3044 (epiphany_handle_interrupt_attribute): Handle variable number of
3046 (epiphany_compute_function_type): Update for new
3047 epiphany_function_type definition.
3048 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3049 handlers with a longcall forwarder.
3050 (epiphany_start_function): Handle multiple interrupt arguments and/or
3051 forwarder_section attribute.
3053 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3056 2012-02-07 Alan Modra <amodra@gmail.com>
3059 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3062 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3064 PR tree-optimization/50969
3065 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3066 use vec_perm rather than vector_stmt.
3067 (vect_model_load_cost): Likewise.
3068 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3069 vec_perm to be the same as other vector statements.
3070 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3071 cost of vec_perm for TARGET_VSX.
3073 2012-02-06 Richard Guenther <rguenther@suse.de>
3075 PR tree-optimization/52115
3076 * tree-sra.c (access_has_replacements_p): New function.
3077 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3079 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3082 * trans-mem.c (expand_call_tm): Add an assertion.
3083 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3086 2012-02-06 Richard Guenther <rguenther@suse.de>
3088 PR tree-optimization/50955
3089 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3090 raise cost of expressions that replace an address with an
3091 expression based on a different pointer.
3093 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3096 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3097 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3099 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3102 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3103 -Weffc++ and specify guidelines come from second edition.
3105 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3107 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3108 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3109 (call_direct_split, call_value_split, call_value_internal_direct)
3110 (call_value_direct_split, call_value_multiple_split): Use jal and
3111 jal_macro attributes.
3113 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3115 * reload1.c (reload_regs_reach_end_p): Replace with...
3116 (reload_reg_rtx_reaches_end_p): ...this function.
3117 (new_spill_reg_store): Update commentary.
3118 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3119 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3120 before setting new_spill_reg_store.
3121 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3122 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3123 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3124 for non-spill reload registers.
3126 2012-02-05 Ira Rosen <irar@il.ibm.com>
3128 PR tree-optimization/52091
3129 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3130 (vect_is_simple_use_1): Likewise.
3131 * tree-vect-loop.c (vectorizable_reduction): Update calls
3132 to vect_is_simple_use_1 and vect_is_simple_use.
3133 (vectorizable_live_operation): Likewise.
3134 * tree-vect-patterns.c (widened_name_p,
3135 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3136 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3137 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3138 vectorizable_shift,vectorizable_operation, vectorizable_store,
3139 vectorizable_load): Likewise.
3140 (vect_is_simple_cond): Add an argument, pass it to
3141 vect_is_simple_use_1.
3142 (vectorizable_condition): Update calls to vect_is_simple_cond,
3144 (vect_is_simple_use): Add an argument, the statement in which
3145 OPERAND is used. Check that if OPERAND's def stmt is a double
3146 reduction phi node, the use is a phi node too.
3147 (vect_is_simple_use_1): Add an argument, pass it to
3149 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3150 to vect_is_simple_use.
3152 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3154 PR rtl-optimization/52095
3155 * modulo-sched.c (dump_insn_locator): New function.
3156 (loop_canon_p, sms_schedule): Use it.
3158 PR rtl-optimization/52113
3159 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3160 even for decomposable shift/zext insns.
3162 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3163 Zdenek Dvorak <ook@ucw.cz>
3165 PR rtl-optimization/52092
3166 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3167 on get_iv_value result.
3169 2012-02-02 Andrew Pinski <apinski@cavium.com>
3173 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3175 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3178 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3180 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3182 PR rtl-optimization/49800
3183 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3184 (sched_finish): Call regstat_free_n_sets_and_refs.
3186 2012-02-02 Jia Liu <proljc@gmail.com>
3188 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3191 2012-02-02 Jan Hubicka <jh@suse.cz>
3192 Tom de Vries <tom@codesourcery.com>
3195 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3196 * varpool.c (varpool_analyze_pending_decls): Likewise.
3198 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3199 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3201 * config.gcc: Add cr16-* support.
3203 * doc/extend.texi: Document cr16 extensions.
3204 * doc/install.texi: Document cr16 install.
3205 * doc/invoke.texi: Document cr16 options.
3206 * doc/md.texi: Document cr16 constraints.
3208 * common/config/cr16/cr16-common.c: New file.
3209 * config/cr16/cr16.c: New file.
3210 * config/cr16/cr16.h: New file.
3211 * config/cr16/cr16.md: New file.
3212 * config/cr16/cr16.opt: New file.
3213 * config/cr16/cr16-protos.h: New file.
3214 * config/cr16/predicates.md: New file.
3215 * config/cr16/constraints.md: New file.
3216 * config/cr16/t-cr16: New file.
3218 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3221 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3222 that operands[2] is either immediate, or q_regs_operand.
3224 PR tree-optimization/52073
3225 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3226 a pattern stmt for pattern uses, ignore uses outside of the loop.
3228 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3230 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3231 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3232 (OUT_AS1, OUT_AS2): Remove.
3234 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3236 PR rtl-optimization/51374
3237 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3238 to cross other volatile_refs_p insns.
3240 2012-02-01 Richard Guenther <rguenther@suse.de>
3242 * doc/invoke.texi (fno-inline): Clarify documentation.
3243 (finline-small-functions): Likewise.
3244 (finline-functions): Likewise.
3245 * common.opt (finline): Adjust comment and documentation.
3246 (finline-small-functions): Clarify documentation.
3247 (finline-functions): Likewise.
3248 (finline-functions-called-once): Likewise.
3250 2012-02-01 Tristan Gingold <gingold@adacore.com>
3252 * c-typeck.c (composite_type): Keep mode for pointers.
3254 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3256 * function.h (regno_reg_rtx): Adjust comment.
3257 * reginfo.c (init_reg_modes_target): Only use the previous mode
3258 if it fits within one register. Remove MIPS comment.
3260 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3263 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3265 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3267 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3268 to srak instruction.
3270 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3272 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3274 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3279 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3281 2012-01-31 Richard Guenther <rguenther@suse.de>
3283 PR tree-optimization/51528
3284 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3287 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3292 * ree.c (add_removable_extension): Change def_map argument
3293 to unsigned *, store in def_map 1 + offset into *insn_list vector
3294 instead of pointers into the vector.
3295 (find_removable_extensions): Adjust caller.
3297 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3299 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3300 Transform all "* quoted-c-code" to { c-code }.
3301 Remove redundant test for "optimize" in combine patterns.
3302 Move (include "avr-dimode.md") to end of file.
3304 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3307 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3308 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3310 2012-01-30 Richard Guenther <rguenther@suse.de>
3312 PR tree-optimization/52028
3313 * tree-loop-distribution.c (ldist_gen): Properly update
3316 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3319 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3320 set_cur_line_info_table if not emitting debug info.
3322 PR tree-optimization/52046
3323 * tree-vect-patterns.c (check_bool_pattern): Give up if
3324 a comparison could throw.
3327 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3329 2012-01-30 Richard Guenther <rguenther@suse.de>
3331 PR tree-optimization/52045
3332 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3333 SSA form if cfgcleanup did anything.
3335 2012-01-30 Richard Guenther <rguenther@suse.de>
3337 PR tree-optimization/52045
3338 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3339 before computing final todo.
3341 2012-01-30 Richard Guenther <rguenther@suse.de>
3343 PR tree-optimization/51528
3344 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3347 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3349 * df-problems.c (df_kill_notes): Check that the use refers
3350 to the note under examination.
3352 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3355 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3356 parameter and use short-lived pseudos.
3357 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3358 (sparc_expand_vector_init): Const-ify local variables and adjust
3359 calls to above functions.
3361 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3363 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3365 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3367 * doc/invoke.texi: Make usage of "compile time" and
3368 "run time"/"runtime" consistent throughout the file.
3370 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3372 * config/alpha/alpha.c (alpha_option_override): Default to
3373 full IEEE compliance mode for Go language.
3375 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3377 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3378 (LINK_SSP_SPEC): Define.
3380 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3383 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3386 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3388 * doc/invoke.texi: Correct hyphenation of "floating point",
3389 "double precision", and related terminology throughout the file.
3391 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3394 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3395 arm_general_register_operand predicate for operand 2 instead of
3398 2012-01-27 Ian Lance Taylor <iant@google.com>
3401 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3402 * builtins.c (expand_builtin_init_trampoline): Add onstack
3403 parameter. Change caller.
3404 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3405 * tree.c (build_common_builtin_nodes): Declare
3406 __builtin_init_heap_trampoline.
3408 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3410 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3411 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3412 * config/avr/avr.c: Ditto.
3413 (avr_regnames): Remove because unused.
3414 * config/avr/avr.md (*cpse.ne): New peephole.
3415 (*cpse.eq): New peephole from former cpse peepholes.
3417 2012-01-27 Michael Eager <eager@eagercon.com>
3419 * config/microblaze.c (microblaze_emit_compare): Correct
3420 test after pcmp instruction.
3422 2012-01-27 Richard Guenther <rguenther@suse.de>
3424 PR tree-optimization/52020
3425 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3427 2012-01-27 Richard Guenther <rguenther@suse.de>
3429 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3430 function non-const/pure.
3432 2012-01-27 Richard Guenther <rguenther@suse.de>
3434 PR tree-optimization/50444
3435 * tree-sra.c (build_ref_for_offset): Properly adjust the
3436 MEM_REF type for unaligned accesses.
3438 2012-01-27 Richard Guenther <rguenther@suse.de>
3440 PR tree-optimization/50444
3441 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3442 (expand_assignment): Use it. Properly handle misaligned
3443 bases when expanding stores to component references.
3444 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3447 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3450 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3451 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3452 * tree-data-ref.c (find_data_references_in_loop): Make static.
3453 (compute_all_dependences): Change return type to bool. Bail out
3454 for too many datarefs in a loop. Move the hunk resetting the data
3455 dependences vector from ...
3456 (compute_data_dependences_for_loop): ... here. Account for
3457 compute_all_dependences returning false.
3458 (compute_data_dependences_for_bb): Likewise.
3459 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3460 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3462 2012-01-27 Richard Guenther <rguenther@suse.de>
3465 * expr.c (store_field): Use the alias-set of the scratch memory
3468 2012-01-27 Tom de Vries <tom@codesourcery.com>
3470 PR tree-optimization/51990
3471 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3473 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3475 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3478 * var-tracking.c (reverse_op): Don't add any reverse operation
3479 if V already has any constant locations.
3481 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3483 * doc/invoke.texi: Correct usage of "command line" (noun)
3484 vs "command-line" (adjective) throughout.
3486 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3488 * doc/invoke.texi (Language Independent Options): Move
3489 -Wcoverage-mismatch blurb from here....
3490 (Warning Options): ...to here.
3492 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3494 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3495 Set rs6000_always_hint to false for 476.
3497 2012-01-27 Matthias Klose <doko@ubuntu.com>
3499 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3501 * incpath.c (add_standard_paths): Likewise.
3503 2012-01-27 Richard Henderson <rth@redhat.com>
3505 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3506 * config/m68k/sync.md (atomic_test_and_set): Rename from
3507 sync_test_and_setqi and adjust the operands.
3508 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3509 and unconditionally enable.
3511 2012-01-27 Richard Henderson <rth@redhat.com>
3513 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3514 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3515 (ldstub): Rename from ldstubqi.
3516 (ldstub<I24MODE>): Remove.
3518 2012-01-27 Richard Henderson <rth@redhat.com>
3520 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3521 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3522 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3523 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3524 * doc/tm.texi: Rebuild.
3526 2012-01-27 Richard Henderson <rth@redhat.com>
3528 * optabs.c (gen_atomic_test_and_set): Remove default.
3529 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3531 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3533 PR rtl-optimization/51978
3534 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3535 (combine_reaching_defs): Likewise.
3536 (struct re_info): Remove.
3537 (add_removable_extension): Remove x and data arguments,
3538 add insn, insn_list and def_map. Use the arguments directly
3539 instead of using struct re_info.
3540 (find_removable_extensions): Don't call add_removable_extension
3541 through note_stores, instead just call it with single_set
3543 (find_and_remove_re): Pass curr_cand->expr instead of
3544 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3546 2012-01-26 Michael Matz <matz@suse.de>
3548 PR tree-optimization/46590
3549 * cfgexpand.c: Revert last change (r183305).
3550 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3552 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3553 checking for emptiness.
3555 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3558 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3559 non-addressable non-BLKmode base correctly.
3561 2012-01-26 Michael Matz <matz@suse.de>
3563 PR tree-optimization/48794
3564 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3565 regions referenced from RESX/EH_DISPATCH.
3567 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3569 * config/s390/s390.h: Make BRANCH_COST an option.
3570 * config/s390/s390.opt: New option -mbranch-cost.
3572 2012-01-26 Richard Henderson <rth@redhat.com>
3574 Revert 2012-01-24 change:
3575 * trans-mem.c (requires_barrier): Do not instrument thread local
3576 variables and emit save/restore for them.
3578 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3581 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3584 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3586 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3589 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3592 Rename __pgm to __flash.
3593 Rename __pgm1 to __flash1.
3594 Rename __pgm2 to __flash2.
3595 Rename __pgm3 to __flash3.
3596 Rename __pgm4 to __flash4.
3597 Rename __pgm5 to __flash5.
3598 Rename __pgmx to __memx.
3599 * doc/extend.texi (AVR Named Address Spaces)
3600 Rename address space names as indicated above.
3601 * config/avr/avr.c (avr_addrspace): Ditto.
3603 * config/avr/avr-protos.h
3604 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3605 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3606 * config/avr/predicates.md: Ditto.
3607 * config/avr/avr.c Ditto, and
3608 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3609 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3611 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3612 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3613 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3614 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3615 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3616 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3617 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3618 * config/avr/avr.c: Ditto.
3619 * config/avr/avr.md: Ditto.
3621 2012-01-25 Jason Merrill <jason@redhat.com>
3624 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3626 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3628 PR tree-optimization/51987
3629 * tree-data-ref.c (get_references_in_stmt): Handle references in
3630 non-volatile GIMPLE_ASM.
3632 2012-01-25 Richard Guenther <rguenther@suse.de>
3634 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3635 bases are dereferenced.
3637 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3639 PR rtl-optimization/48374
3640 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3642 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3644 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3645 compute_data_dependences_for_loop returns false.
3646 * tree-parloops.c (loop_parallel_p): Likewise.
3648 2012-01-25 Richard Guenther <rguenther@suse.de>
3650 * tree.h (get_pointer_alignment_1): Declare.
3651 * builtins.c (get_pointer_alignment_1): New function.
3652 (get_pointer_alignment): Use it.
3654 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3656 PR rtl-optimization/48308
3657 * combine.c (enum undo_kind): Add UNDO_LINKS.
3658 (struct undo): Add member l to other_contents and where.
3659 (do_SUBST_LINK): New.
3661 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3662 (undo_all): Handle UNDO_LINKS.
3664 2012-01-25 Richard Henderson <rth@redhat.com>
3666 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3669 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3671 * optabs.c (gen_atomic_test_and_set): Use each argument.
3673 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3675 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3676 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3677 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3678 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3679 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3680 TARGET_PAIRED_SINGLE_FLOAT.
3682 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3684 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3685 (in_struct, return_val): Remove MEM documentation.
3686 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3687 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3688 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3690 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3691 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3692 * expr.c (store_field): Likewise.
3693 * function.c (assign_stack_temp_for_type): Likewise.
3694 * ifcvt.c (noce_try_cmove_arith): Likewise.
3695 * reload1.c (reload): Likewise.
3696 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3697 (alpha_set_memflags): Likewise.
3698 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3700 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3702 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3704 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3705 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3706 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3708 * cselib.c (cselib_rtx_varies_p): Delete.
3709 (cselib_invalidate_mem): Update call to canon_true_dependence.
3710 * dse.c (record_store, check_mem_read_rtx): Likewise.
3711 (scan_reads_nospill): Likewise.
3712 * cse.c (check_dependence): Likewise.
3713 (cse_rtx_varies_p): Delete.
3714 * expr.c (safe_from_p): Update call to true_dependence.
3715 * ira.c (validate_equiv_mem_from_store): Likewise.
3716 (memref_referenced_p): Likewise.
3717 * postreload-gcse.c (find_mem_conflicts): Likewise.
3718 * sched-deps.c (sched_analyze_2): Likewise.
3719 * store-motion.c (load_kills_store): Likewise.
3720 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3721 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3722 (compute_transp): Update call to canon_true_dependence.
3724 2012-01-25 Richard Henderson <rth@redhat.com>
3726 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3727 (maybe_emit_atomic_test_and_set): New.
3728 (expand_sync_lock_test_and_set): Use it.
3729 (expand_atomic_test_and_set): Likewise.
3730 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3731 the implementation; clarify implementation defined details.
3732 * doc/md.texi (atomic_test_and_set): Document.
3734 2012-01-25 Richard Henderson <rth@redhat.com>
3736 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3738 2012-01-25 Richard Henderson <rth@redhat.com>
3741 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3742 to effect no-op split.
3744 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3747 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3748 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3749 (BT_FN_VOID_PTR_INT_SIZE): New.
3750 (BT_FN_UINT_UINT_VAR): Remove.
3751 (BT_FN_UINT32_UINT32_VAR): New.
3752 (BT_FN_DOUBLE_VPTR): Remove.
3753 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3755 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3756 (_ITM_changeTransactionMode): Same.
3757 (_ITM_memmoveRtWt): Change return type to void.
3758 (_ITM_memcpyRtWt): Same.
3759 (_ITM_memsetW): Same.
3760 (_ITM_RaRD): Change types to double.
3765 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3767 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3768 Patrick Marlier <patrick.marlier@gmail.com>
3770 * trans-mem.c (requires_barrier): Do not instrument thread local
3771 variables and emit save/restore for them.
3773 2012-01-24 Jason Merrill <jason@redhat.com>
3776 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3777 output static aliases.
3779 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3782 * common.opt (-pie, -shared, pie, shared): Change from Common to
3784 * gcc.c (display_help): Display help for -pie and -shared.
3786 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3789 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3790 Remove note on size/offset limitation.
3791 (AVR Variable Attributes): Add example how to read data located
3792 with progmem. Refer to named address spaces.
3793 * doc/invoke.texi (AVR Options): Fix typo.
3795 2012-01-24 Richard Guenther <rguenther@suse.de>
3797 Forward-port to trunk
3798 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3801 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3802 op0 isn't sufficiently aligned and there is movmisalignM
3803 insn for mode, use it to load op0 into a temporary register.
3805 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3808 * target.def (const_not_ok_for_debug_p): New hook.
3809 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3811 * doc/tm.texi: Regenerated.
3812 * dwarf2out.c (const_ok_for_output_1): If
3813 targetm.const_not_ok_for_debug_p returns true, fail.
3814 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3816 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3818 2012-01-23 Kai Tietz <ktietz@redhat.com>
3821 * config/i386/predicates.md (symbolic_operand): Allow
3822 UNSPEC_PCREL as PIC expression for lea.
3823 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3824 * config/i386/i386.c (ix86_delegitimize_address): Handle
3825 UNSPEC_PCREL for none-MEM, too.
3827 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3829 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3830 (ipa_tm_create_version_alias): Same.
3832 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3835 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3836 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3838 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3839 Patrick Marlier <patrick.marlier@gmail.com>
3840 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3843 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3844 simple_object_start_read.
3846 2012-01-23 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/51895
3850 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3851 parameter decomposition into BLKmode components.
3853 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3855 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3856 fake variables for restrict-qualified pointers whose pointed-to type
3857 contains a placeholder.
3859 2012-01-23 Richard Guenther <rguenther@suse.de>
3861 PR tree-optimization/51949
3862 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3864 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3866 PR rtl-optimization/51933
3867 * ree.c (transform_ifelse): Return true right away if dstreg is
3868 already wider or equal to cand->mode.
3869 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3870 (make_defs_and_copies_lists): Remove defs_list and copies_list
3871 arguments, add state argument, just truncate state->work_list
3872 instead of always allocating and freeing the vector. Assert that
3873 get_defs succeeds instead of returning 2. Changed return type to bool.
3874 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3875 have ext_src_mode, see if it has been modified already with the
3876 right kind of extension and has been extended before from the
3877 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3878 just return true. Remember the original mode in state->modified array.
3879 (combine_reaching_defs): Add state argument. Don't allocate and
3880 free here def_list, copied_list and vec vectors, instead just
3881 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3882 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3883 Add state variable, clear vectors in it, initialize state.modified
3884 if needed. Free all the vectors at the end and state.modified too.
3885 Don't skip a candidate if the extension expression has been modified.
3887 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3890 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3891 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3892 (extra_options) interix.opt -> i386/interix.opt"
3893 (extra_objs):Add winnt-stubs.o
3894 * configure.ac: Add interix to target_os .comm on PE check.
3895 * configure: Regenerate.
3896 * config/interix3.h: Delete and move bits to..
3897 * config/interix.h: Delete and move bits to..
3898 * config/i386/i386-interix3.h: Delete and move bits to..
3899 * config/i386/i386-interix.h: ..here.
3900 (TARGET_CPU_DEFAULT): Remove redefinition.
3901 (TARGET_ASM_CONSTRUCTOR): Undefine.
3902 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3903 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3904 (PTRDIFF_TYPE): Define.
3905 (LONG_DOUBLE_TYPE_SIZE): Define.
3906 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3907 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3908 (TARGET_SECTION_TYPE_FLAGS): Define.
3909 (ASM_DECLARE_FUNCTION_NAME): Define.
3910 (ASM_OUTPUT_EXTERNAL): Define.
3911 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3912 (ASM_OUTPUT_ALIGNED_BSS): Define.
3913 (PCC_BITFIELD_TYPE_MATTERS): Define.
3914 (USE_CONST_SECTION): Define.
3915 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3916 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3917 (SUPPORTS_ONE_ONLY): Remove.
3918 (I386_PE_STRIP_ENCODING): Define.
3919 * config/interix.opt: Delete and move bits to..
3920 * config/i386/interix.opt: ..here. New.
3921 (mpe-aligned-commons): Add.
3922 * config/i386/t-interix: Add copyright header.
3923 (winnt-stubs.o): Add rule.
3925 2012-01-22 Jason Merrill <jason@redhat.com>
3928 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3929 for extra name aliases.
3931 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3933 PR rtl-optimization/51924
3934 * ree.c (combine_set_extension): Improve debugging message.
3935 (combine_reaching_defs): Likewise.
3936 (get_defs): Rename confusingly named variable.
3937 (find_and_remove_re): Skip a candidate if the extension expression has
3940 2012-01-21 Robert Millan <rmh@gnu.org>
3941 Gerald Pfeifer <gerald@pfeifer.com>
3943 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3944 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3946 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3948 PR tree-optimization/51914
3949 * tree-vect-stmts.c (vectorizable_conversion): For
3950 cvt_type && modifier == WIDEN, put temporary with cvt_type
3951 at the beginning of vec_dsts and set vec_dest to temporary
3954 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3956 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3958 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3960 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3961 * config/rs6000/rs6000.c: Likewise.
3963 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3966 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3967 output_move_double on a copy of operands array.
3969 2012-01-20 Cary Coutant <ccoutant@google.com>
3970 Dodji Seketeli <dodji@redhat.com>
3973 * dwarf2out.c (copy_declaration_context): Return ref to parent
3974 of declaration DIE, if necessary.
3975 (remove_child_or_replace_with_skeleton): Add new parameter; update
3976 caller. Place skeleton DIE under parent DIE of original declaration.
3977 Move call to copy_declaration_context to here ...
3978 (break_out_comdat_types): ... from here.
3980 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3982 PR rtl-optimization/51856
3983 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3986 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3989 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3990 hints for neon loads and stores.
3992 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3996 * doc/extend.texi (Named Address Spaces): Split into subsections.
3997 (AVR Named Address Spaces): New subsection.
3998 (M32C Named Address Spaces): New subsection.
3999 (RL78 Named Address Spaces): New subsection.
4000 (SPU Named Address Spaces): New subsection.
4001 (Variable Attributes): New anchor "AVR Variable Attributes".
4002 (AVR Variable Attributes): Rewrite and avoid wording
4003 "address space" in this context.
4004 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4005 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4006 (AVR Built-in Macros): New subsubsection therein.
4007 * doc/md.texi (AVR constraints): Remove "C04", "R".
4009 2012-01-20 Richard Guenther <rguenther@suse.de>
4011 PR tree-optimization/51903
4012 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4013 when removing stmts.
4015 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4018 * config/arm/arm.c (arm_load_pic_register): Use
4019 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4020 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4021 (arm_pic_static_addr): Likewise.
4022 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4023 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4024 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4025 (pic_load_addr_unified): New.
4027 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4030 * function.c (instantiate_virtual_regs_in_insn): Use
4031 delete_insn_and_edges when removing a wrong asm insn.
4033 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4035 PR rtl-optimization/40761
4036 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4037 Add new member loop_num.
4038 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4039 (ira_build): Remove the parameter.
4041 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4042 (ira.c): Do not build CFG loops for one region allocation. Remove
4043 argument from ira_build call.
4045 * ira-build.c (init_loop_tree_node): New function.
4046 (create_loop_tree_nodes): Use it. Separate the case when CFG
4047 loops are not built.
4048 (more_one_region_p): Check current_loops.
4049 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4051 (add_loop_to_tree): Process loop equal to NULL too.
4052 (form_loop_tree): Separate the case when CFG loops are not built.
4053 Use explicitly number for the root.
4054 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4056 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4057 instead of loop->num.
4058 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4059 (mark_all_loops_for_removal): Ditto.
4060 (remove_unnecessary_regions): Separate the case when CFG loops
4062 (ira_build): Remove the parameter. Use explicit number of regions
4063 when CFG loops are not built.
4065 * ira-color.c (print_loop_title): Separate the case for the root node.
4066 Use loop_num instead of loop->num.
4067 (move_spill_restore): Use loop_num instead of loop->num.
4069 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4070 (change_loop): Ditto.
4071 (change_loop): Use loop_num instead of loop->num.
4073 * ira-lives.c (process_bb_node_lives): Ditto.
4075 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4077 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4079 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4082 * tree-mudflap.c (mf_artificial): New function.
4083 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4084 mx_register_decls, mudflap_enqueue_decl): Use it.
4087 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4088 numbers in the insn pattern.
4090 2012-01-19 Michael Matz <matz@suse.de>
4092 PR tree-optimization/46590
4093 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4094 use it in remembering which conflicts we already created.
4095 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4098 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4101 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4102 (merge_and_complain): Same.
4104 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4107 * config/initfini-array.h: Guard content of the header
4108 with #ifdef HAVE_INITFINI_ARRAY.
4109 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4110 Add initfini-array.h to tm_file here.
4111 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4112 * config.gcc: Don't add initfini-array.h to tm_file here.
4113 * configure: Regenerated.
4115 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4117 PR rtl-optimization/51505
4118 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4119 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4120 (df_note_bb_compute): Update the call to df_kill_notes.
4122 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4124 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4126 2012-01-18 Richard Guenther <rguenther@suse.de>
4128 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4129 of conversions to void *.
4131 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4132 Richard Sandiford <rdsandiford@googlemail.com>
4136 * optabs.h (simplify_expand_binop): Declare.
4137 * optabs.c (simplify_expand_binop): Make global.
4138 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4139 endian targets if the source cannot be exactly covered by word
4142 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4145 * hard-reg-set.h (struct hard_reg_set_container): New type.
4146 * target.h (struct hard_reg_set_container): Forward declare.
4147 * target.def (set_up_by_prologue): New target hook.
4148 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4149 * doc/tm.texi: Regenerated.
4150 * function.c (thread_prologue_and_epilogue_insns): Change
4151 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4152 Call targetm.set_up_by_prologue on it.
4153 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4154 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4156 2012-01-17 Nick Clifton <nickc@redhat.com>
4158 * config/rx/rx.c (rx_can_use_simple_return): New function.
4159 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4160 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4162 2012-01-17 Richard Guenther <rguenther@suse.de>
4165 * expr.c (expand_assignment): Take address-space information
4166 from the address operand of MEM_REF and TARGET_MEM_REF.
4167 (expand_expr_real_1): Likewise.
4169 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4171 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4172 reload dump is requested.
4174 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4177 * trans-mem.c (requires_barrier): Call may_be_aliased.
4179 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4181 PR tree-optimization/51877
4182 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4183 call arguments and fndecls compare equal, instead return false if they
4184 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4185 both SSA_NAMEs that are valueized the same, or they satisfy
4188 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4190 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4192 * configure: Regenerate.
4194 2012-01-16 Jan Hubicka <jh@suse.cz>
4198 * convert.c (convert_to_integer): Use fold_convert for
4199 converting an INTEGER_CST to integer type.
4201 2012-01-16 Jason Merrill <jason@redhat.com>
4204 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4206 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4209 * config/s390/s390.c (s390_chunkify_start): Don't skip
4210 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4211 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4212 If insn is followed by NOTE_INSN_VAR_LOCATION or
4213 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4214 Don't use location of note insns.
4216 PR tree-optimization/51865
4217 * tree-inline.c (tree_function_versioning): Call remap_decl
4218 on DECL_RESULT whenever it has VOID_TYPE_P type.
4220 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4222 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4223 for calls to locally-binding MIPS16 functions if only the return
4224 type uses float regs.
4226 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4227 Richard Sandiford <rdsandiford@googlemail.com>
4229 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4230 (SYMBOL_32_HIGH): Likewise.
4231 (mips_output_tls_reloc_directive): Declare.
4232 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4233 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4234 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4235 (mips_lo_relocs, mips_hi_relocs): Make extern.
4236 (mips16_stub_function): Move up file.
4237 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4238 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4239 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4240 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4241 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4242 (mips_get_tp): Add MIPS16 support.
4243 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4244 Generalize DTPREL and TPREL handling.
4245 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4246 Add MIPS16 TLS support.
4247 (mips_output_tls_reloc_directive): New function.
4248 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4249 * config/mips/predicates.md (symbolic_operand_with_high)
4250 (tls_reloc_operand): New predicates.
4251 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4252 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4253 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4254 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4255 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4256 (*tls_get_tp_mips16_call_<mode>): Likewise.
4258 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4260 PR rtl-optimization/51821
4261 * recog.c (peep2_find_free_register): Determine clobbered registers
4264 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4267 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4268 * config/avr/avr.c: Likewise.
4269 * config/avr/avr.h: Likewise.
4271 2012-01-13 Ian Lance Taylor <iant@google.com>
4274 * tree.h (TYPE_QUALS): Add cast to int.
4275 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4277 2012-01-13 Ian Lance Taylor <iant@google.com>
4279 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4280 comparing param_index to VEC_length result.
4282 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4284 * c-decl.c: Do not include tree-mudflap.h
4285 * tree-optimize.c: Likewise.
4286 * Makefile.in: Update dependencies.
4288 2012-01-13 Richard Guenther <rguenther@suse.de>
4291 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4292 variable-sized result always use RSO.
4294 2012-01-12 DJ Delorie <dj@redhat.com>
4296 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4297 pointer type, not just the default pointer type.
4299 2012-01-09 Richard Henderson <rth@redhat.com>
4300 Denis Chertykov <chertykov@gmail.com>
4303 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4304 * config/avr/avr.c (avr_can_eliminate): Simplify.
4305 (avr_initial_elimination_offset): Likewise.
4306 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4307 (expand_epilogue): Likewise.
4308 (avr_legitimize_address): Gut.
4309 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4310 (avr_hard_regno_nregs): New.
4311 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4312 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4313 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4314 add soft frame pointer.
4315 (CALL_USED_REGISTERS): Likewise.
4316 (REG_CLASS_CONTENTS): Likewise.
4317 (REGISTER_NAMES): Likewise.
4318 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4319 (HARD_FRAME_POINTER_REGNUM): New.
4320 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4321 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4322 remove the HARD_FRAME_POINTER self-elimination.
4324 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4327 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4328 DECL_EXTERNAL when checking for initializers of progmem variables.
4330 2012-01-12 Ira Rosen <irar@il.ibm.com>
4332 PR tree-optimization/51799
4333 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4334 that the last operation is a type demotion.
4336 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4338 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4339 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4341 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4344 * combine.c (distribute_notes): If i3 is a noreturn call,
4345 allow old_size to be equal to args_size and make sure the
4346 noreturn call gets REG_ARGS_SIZE note.
4347 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4348 on noreturn calls even when the delta is 0.
4350 2012-01-11 Nathan Sidwell <nathan@acm.org>
4352 * gcov.c (STRING_SIZE): Remove.
4353 (generate_results): Erase annotations for source files with no
4354 coverage information.
4356 (output_lines): Use it.
4358 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4360 * gimple.h (gimplify_body): Remove first argument.
4361 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4362 pointer set here, instead just pass DATA to walk_tree.
4363 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4364 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4365 (unvisit_body): Likewise, but with unmark_visited.
4366 (gimplify_body): Remove BODY_P argument and adjust.
4367 (gimplify_function_tree): Adjust call to gimplify_body.
4368 * omp-low.c (finalize_task_copyfn): Likewise.
4370 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4372 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4373 (build_function_type_skip_args): Delete.
4374 * tree.c (build_function_type_skip_args): Make static and add
4375 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4376 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4377 pass it to build_function_type_skip_args.
4378 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4379 (tree_function_versioning): Likewise.
4380 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4381 build_function_decl_skip_args.
4382 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4383 and pass it to build_function_decl_skip_args/tree_function_versioning.
4384 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4385 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4386 * trans-mem.c (ipa_tm_create_version): Likewise.
4387 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4388 * tree-inline.c (declare_return_variable): Remove always-true test.
4389 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4390 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4391 * ipa-split.c (split_function): Skip the return value for the split
4392 part if it doesn't return.
4394 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4396 PR tree-optimization/49642
4397 * ipa-split.c (forbidden_dominators): New variable.
4398 (check_forbidden_calls): New function.
4399 (dominated_by_forbidden): Likewise.
4400 (consider_split): Check for forbidden dominators.
4401 (execute_split_functions): Initialize and free forbidden
4402 dominators info; call check_forbidden_calls.
4404 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4406 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4408 2012-01-11 Nick Clifton <nickc@redhat.com>
4410 * config/rx/rx.md (return): Define pattern.
4412 2012-01-11 Richard Guenther <rguenther@suse.de>
4414 * doc/extend.texi (malloc attribute): Adjust according to
4417 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4418 Patrick Marlier <patrick.marlier@gmail.com>
4421 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4422 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4423 (ipa_tm_note_irrevocable): Same.
4424 (ipa_tm_scan_irr_block): Same.
4425 (ipa_tm_decrement_clone_counts): Same.
4426 (ipa_tm_scan_irr_function): Same.
4427 (ipa_tm_create_version_alias): Same.
4428 (ipa_tm_create_version): Same.
4429 (ipa_tm_transform_calls_redirect): Same.
4430 (ipa_tm_transform_calls): Same.
4431 (ipa_tm_transform_transaction): Same.
4432 (ipa_tm_execute): Same.
4434 2012-01-10 Richard Guenther <rguenther@suse.de>
4437 * opts.c (common_handle_option): Handle -Werror.
4439 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4441 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4444 2012-01-10 Jason Merrill <jason@redhat.com>
4446 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4449 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4451 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4452 supports R_386_TLS_GD_PLT reloc.
4453 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4454 supports R_386_TLS_LDM_PLT reloc.
4455 * configure: Regenerate.
4456 * config.in: Regenerate.
4458 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4461 Extend __pgmx semantics to linearize memory.
4462 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4463 determine if code comes inline or from libgcc.
4464 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4465 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4466 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4467 (movmemx_qi, movmemx_hi): New insns.
4468 (xload_<mode>_libgcc): Rewrite to new insn condition.
4469 (xload_<mode>): Remove insns.
4470 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4471 cases that don't satisfy avr_xload_libgcc_p().
4472 (avr_addr_space_convert): Allow converting in any direction.
4473 (avr_addr_space_subset_p): Return always true.
4474 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4475 (avr_emit_movmemhi): Ditto.
4476 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4477 (avr_out_movmem): Ditto.
4478 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4479 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4480 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4481 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4482 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4484 2012-01-10 Richard Guenther <rguenther@suse.de>
4486 PR tree-optimization/50913
4487 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4488 Require data-refs to be representable by Graphite with respect
4491 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4493 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4494 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4496 2012-01-10 Tom de Vries <tom@codesourcery.com>
4498 PR rtl-optimization/51271
4499 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4500 handling annulled branch.
4502 2012-01-10 Richard Henderson <rth@redhat.com>
4504 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4505 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4506 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4507 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4508 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4509 arm_expand_vec_perm_const): New.
4510 * config/arm/arm-protos.h: Update.
4511 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4512 (*neon_vswp<VDQX>): New.
4513 (neon_vcombine<VDX>): Use neon_split_vcombine.
4514 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4515 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4516 (vec_perm<VE>): New.
4518 2012-01-10 Richard Henderson <rth@redhat.com>
4520 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4521 use it if reload_completed.
4522 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4523 arm_output_asm_insn, arm_process_output_memory_barrier,
4524 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4525 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4526 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4527 arm_process_output_sync_insn, arm_output_sync_insn,
4528 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4529 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4530 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4531 (emit_unlikely_jump): New.
4532 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4533 (arm_split_atomic_op): New.
4534 * config/arm/arm-protos.h: Update.
4535 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4536 (struct arm_sync_generator): Remove.
4537 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4538 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4539 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4540 (VUNSPEC_LL, VUNSPEC_SC): New.
4541 (sync_result, sync_memory, sync_required_value, sync_new_value,
4542 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4543 (attr length): Don't use arm_sync_loop_insns.
4544 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4545 (movsfcc, movdfcc): Likewise.
4546 * config/arm/constraints.md (Ua): New.
4547 * config/arm/prediates.md (mem_noofs_operand): New.
4548 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4549 (sync_clobber, sync_t2_reqd): Remove.
4550 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4551 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4552 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4553 (arm_sync_compare_and_swap<SIDI>): Remove.
4554 (arm_sync_compare_and_swap<NARROW>): Remove.
4555 (arm_sync_lock_test_and_set<SIDI>): Remove.
4556 (arm_sync_lock_test_and_set<NARROW>): Remove.
4557 (arm_sync_new_<syncop><SIDI>): Remove.
4558 (arm_sync_new_<syncop><NARROW>): Remove.
4559 (arm_sync_new_nand<SIDI>): Remove.
4560 (arm_sync_new_nand<NARROW>): Remove.
4561 (arm_sync_old_<syncop><SIDI>): Remove.
4562 (arm_sync_old_<syncop><NARROW>): Remove.
4563 (arm_sync_old_nand<SIDI>): Remove.
4564 (arm_sync_old_nand<NARROW>): Remove.
4565 (*memory_barrier): Merge arm_output_memory_barrier.
4566 (atomic_compare_and_swap<QHSD>): New.
4567 (atomic_compare_and_swap<NARROW>_1): New.
4568 (atomic_compare_and_swap<SIDI>_1): New.
4569 (atomic_exchange<QHSD>): New.
4570 (cas_cmp_operand, cas_cmp_str): New.
4571 (atomic_op_operand, atomic_op_str): New.
4572 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4573 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4574 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4575 (arm_load_exclusive<NARROW>): New.
4576 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4577 (arm_store_exclusive<QHSD>): New.
4579 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4581 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4582 reload patterns if -mvsx-scalar-memory.
4584 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4585 generated, even -mno-vsx-scalar-double was used.
4586 (vsx_xscvdpsp_scalar): Likewise.
4587 (vsx_xscvspdp_scalar2): Likewise.
4589 2012-01-09 Tom de Vries <tom@codesourcery.com>
4590 Andrew Pinski <apinski@cavium.com>
4593 * reorg.c (fill_slots_from_thread): Don't speculate
4594 frame-related insns.
4596 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4598 * sched-int.h (bb_note): Move to...
4599 * basic-block.h: ...here.
4600 * haifa-sched.c (bb_note): Move to...
4601 * cfgrtl.c: ...here.
4602 * function.c (next_block_for_reg): New function.
4603 (move_insn_for_shrink_wrap): Likewise.
4604 (prepare_shrink_wrap): Rewrite to use the above.
4606 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4608 * gimple.c (is_gimple_non_addressable): Remove.
4609 * gimple.h: Remove is_gimple_non_addressable.
4610 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4611 is_gimple_non_addressable.
4612 * trans-mem.c (expand_assign_tm): Same.
4614 2012-01-09 Richard Guenther <rguenther@suse.de>
4616 PR tree-optimization/51775
4617 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4618 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4620 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4622 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4624 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4626 2012-01-09 Richard Guenther <rguenther@suse.de>
4628 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4630 2012-01-08 Jan Hubicka <jh@suse.cz>
4632 PR tree-optimize/51680
4633 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4634 on when known_vals needs to be computed; cleanup.
4636 2012-01-08 Jan Hubicka <jh@suse.cz>
4638 PR tree-optimize/51694
4639 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4641 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4643 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4644 for -std=c++98 and -std=c++11 too.
4646 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4648 * cfgloop.c (cancel_loop): Add free() of bbs array.
4650 2012-01-07 Jan Hubicka <jh@suse.cz>
4652 PR tree-optimization/51600
4653 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4654 that benefits small functions.
4656 2012-01-07 Jan Hubicka <jh@suse.cz>
4658 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4660 2012-01-07 Jan Hubicka <jh@suse.cz>
4662 PR tree-optimization/51680
4663 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4664 whose inlining reduce unit size.
4666 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4669 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4670 Add canonical node to containing_mem chain after the non-canonical
4671 one, even if there weren't any locs to propagate.
4672 (remove_useless_values): Keep only canonical values.
4673 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4674 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4675 canonicalize mem_chain elements that are not discarded.
4677 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4680 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4681 before emitting functions.
4683 PR gcov-profile/50127
4684 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4685 clear_aux_for_blocks.
4687 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4690 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4692 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4694 * c-decl.c (ext_block): Moved up.
4695 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4697 2012-01-06 Han Shen <shenhan@google.com>
4699 Translate built-in include paths for sysroot.
4700 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4701 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4703 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4704 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4706 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4707 control whether sysroot should be prepended to gxx include dir.
4709 * configure: Regenerate.
4711 2012-01-06 Torvald Riegel <triegel@redhat.com>
4713 PR rtl-optimization/51771
4714 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4715 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4717 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4719 PR tree-optimization/51315
4720 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4721 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4723 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4726 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4727 for shrp pattern. Correctly handle and fixup shift variable.
4728 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4730 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4733 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4734 note when !ACCUMULATE_OUTGOING_ARGS.
4736 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4738 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4740 (extract_range_from_unary_expr_1): Avoid useless computations.
4742 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4744 PR rtl-optimization/51767
4745 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4746 of jump_block and add an extra edge for degenerated asm gotos.
4749 * stmt.c (check_unique_operand_names): Don't ICE during error
4750 reporting if i is from labels chain.
4753 * profile.c (branch_prob): Split bbs that have exit edge
4754 and need a fake entry edge too.
4756 2012-01-05 Jan Hubicka <jh@suse.cz>
4759 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4762 2012-01-05 Richard Guenther <rguenther@suse.de>
4765 * tree-streamer-out.c (write_ts_optimization): New function.
4766 (streamer_write_tree_body): Call it.
4767 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4768 (streamer_read_tree_body): Call it.
4769 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4771 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4774 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4775 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4776 in_cleanup_point_expr before gimplify_stmt call and restore it
4778 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4779 in_cleanup_point_expr is false.
4781 2012-01-05 Richard Guenther <rguenther@suse.de>
4784 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4786 * toplev.c (process_options): Reject combining mudflap and LTO.
4787 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4789 2012-01-05 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/51760
4792 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4794 (bit_value_unop): Handle UNDEFINED operands.
4795 (bit_value_binop): Likewise.
4797 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4799 * config/avr/avr.c (avr_replace_prefix): Remove.
4800 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4801 (avr_asm_function_rodata_section): Ditto.
4802 (avr_asm_select_section): Ditto.
4804 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4806 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4809 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4812 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4813 calls that have any non-fake successor edges.
4816 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4818 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4820 PR tree-optimization/51624
4821 * tree-sra.c (build_ref_for_model): When replicating a chain of
4822 COMPONENT_REFs, stop as soon as the offset would become negative.
4824 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4827 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4828 in .debug_loc on the floor.
4830 2012-01-04 Andrew Pinski <apinski@cavium.com>
4832 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4834 2012-01-04 Andrew Pinski <apinski@cavium.com>
4835 Adam Nemet <anemet@caviumnetworks.com>
4837 * config/mips/mips.md (size): Add SI and DI.
4838 (SIZE): New mode attribute.
4839 (U): New code attribute.
4840 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4841 (mips_lbux_<mode>): Delete.
4842 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4843 (mips_lhx): Use gen_mips_lhx_extsi.
4844 (mips_lhx_<mode>): Delete.
4846 (mips_l<size>x): New expand.
4847 (mips_lwx_<mode>): Delete.
4848 (mips_l<GPR:size>x_<P:mode>): New pattern.
4849 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4850 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4851 * config/mips/mips.c (mips_lx_address_p): New function.
4852 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4853 (dsp64): New availability predicate.
4854 (mips_builtins): Add an entry for __builtin_mips_ldx.
4855 * config/mips/mips.h (ISA_HAS_LBX): New define.
4856 (ISA_HAS_LBUX): Likewise.
4857 (ISA_HAS_LHX): Likewise.
4858 (ISA_HAS_LHUX): Likewise.
4859 (ISA_HAS_LWX): Likewise.
4860 (ISA_HAS_LWUX): Likewise.
4861 (ISA_HAS_LDX): Likewise.
4862 * doc/extend.texi (__builtin_mips_ldx): Document.
4864 2012-01-04 Tristan Gingold <gingold@adacore.com>
4866 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4867 when long pointers are used.
4868 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4869 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4870 (ia64-hp-*vms*): Remove.
4871 * config/vms/xm-vms64.h: Delete.
4873 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4876 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4878 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4880 * opts.c (finish_options): Remove duplicate sorry.
4882 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4885 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4888 2012-01-04 Richard Guenther <rguenther@suse.de>
4891 * tree.c (size_low_cst): New function.
4892 * tree.h (size_low_cst): Declare.
4893 * fold-const.c (fold_comparison): Use it to extract the low
4894 part of the POINTER_PLUS_EXPR offset.
4896 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4898 Fix clearing ZERO_REG
4899 * config/avr/avr.md (cc): Add alternative "ldi".
4900 (movqi_insn): Use it in cc attribute.
4901 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4902 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4903 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4905 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4907 * configure: Regenerate.
4909 2012-01-04 Richard Guenther <rguenther@suse.de>
4911 PR tree-optimization/49651
4912 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4913 (var_can_have_subvars): Use it.
4914 (get_constraint_for_1): Only consider subfields if there can be any.
4916 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4919 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4920 to its new canonical_cselib_val and the cselib_val was in
4921 first_containing_mem chain, but the canonical_cselib_val was not,
4922 add the latter into the chain.
4923 (cselib_invalidate_mem): Compare canonical_cselib_val of
4924 addr_list chain elt with v.
4927 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4928 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4930 (output_macinfo_op): Don't ggc_strdup fd->filename.
4931 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4932 then ggc_strdup it. Don't free inc->info or cur->info.
4933 (output_macinfo): Don't free ref->info or file->info.
4935 2012-01-03 Ira Rosen <irar@il.ibm.com>
4937 PR tree-optimization/51269
4938 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4939 first_niters a pointer.
4940 (slpeel_tree_peel_loop_to_edge): Likewise.
4941 (vect_do_peeling_for_loop_bound): Update call to
4942 slpeel_tree_peel_loop_to_edge.
4943 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4944 here. Remove it from the parameters list.
4945 (vect_do_peeling_for_alignment): Update calls and compute
4948 2012-01-03 Richard Guenther <rguenther@suse.de>
4950 PR tree-optimization/51070
4951 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4952 Properly handle calls.
4954 2012-01-03 Richard Guenther <rguenther@suse.de>
4956 PR tree-optimization/51692
4957 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4958 the LHS of allocation stmts.
4960 2012-01-03 Olivier Hainque <hainque@adacore.com>
4962 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4964 2012-01-03 Olivier Hainque <hainque@adacore.com>
4966 * collect2.c (main): In AIX specific computations for vector
4967 insertions, use CONST_CAST2 to cast from char ** to const char **.
4969 2012-01-03 Richard Guenther <rguenther@suse.de>
4972 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4973 the context of a limbo DIE when it does not already exist.
4975 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4977 PR tree-optimization/51719
4978 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4979 but direct call is, clear direct call's lhs and don't add fallthrough
4980 edge from dcall_bb to join_bb and PHIs.
4982 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4984 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4985 the instructions emitted by the pattern.
4986 ("*TDC_insn_<mode>"): Add comment.
4988 2012-01-03 Richard Guenther <rguenther@suse.de>
4991 * fold-const.c (fold_comparison): Properly canonicalize
4992 tree offset and HOST_WIDE_INT bit position.
4994 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4996 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4997 operands for extzv pattern.
4999 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5002 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5005 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5007 * doc/invoke.texi (-flto and related options): Copy-edit.
5009 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5011 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5013 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5015 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5018 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5020 * expr.h (move_by_pieces_ninsns): Declare.
5021 * expr.c (move_by_pieces_ninsns): Make external.
5022 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5023 (mips_store_by_pieces_p): Likewise.
5024 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5025 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5026 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5027 (mips_store_by_pieces_p): Likewise.
5029 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5031 * passes.c (register_one_dump_file): Free full_name.
5033 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5034 (calculate_elim_costs_all_insns): Free offsets_at and
5035 offsets_known_at at the end and clear the pointers.
5037 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5039 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5040 this option introduced in r180739.
5042 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5045 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5046 (tmake_file target=avr): Add avr/t-multilib.
5048 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5049 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5050 * config/avr/genmultilib.awk: New file.
5051 * config/avr/t-multilib: New auto-generated file.
5052 * config/avr/multilib.h: New auto-generated file.
5053 * config/avr/t-avr (AVR_MCUS): New variable.
5054 (genopt.sh): Use it.
5055 (s-mlib): Depend on t-multilib.
5056 (t-multilib, multilib.h): New dependencies.
5057 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5058 (MULTILIB_OPTIONS): Remove.
5059 (MULTILIB_MATCHES): Remove.
5060 (MULTILIB_DIRNAMES): Remove.
5061 (MULTILIB_EXCEPTIONS): Remove:
5062 * config/avr/genopt.sh: Don't use hard coded file name;
5063 pass AVR_MCUS from t-avr instead.
5065 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5067 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5069 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5071 Implement light-weight DImode support.
5072 * config/avr/avr-dimode.md: New file.
5073 * config/avr/avr.md: Include it.
5074 (adjust_len): Add plus64, compare64.
5075 (HIDI): Remove code iterator.
5076 (code_stdname): New code attribute.
5077 (rotx, rotsmode): Remove DI.
5078 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5080 * config/avr/avr-protos.h (avr_have_dimode): New.
5081 (avr_out_plus64, avr_out_compare64): New.
5082 * config/avr/avr.c (avr_out_compare): Handle DImode.
5083 (avr_have_dimode): New variable definition and initialization.
5084 (avr_out_compare64, avr_out_plus64): New functions.
5085 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5086 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5087 (avr_compare_pattern): Skip DImode comparisons.
5089 2012-01-02 Revital Eres <revital.eres@linaro.org>
5091 * ddg.c (def_has_ccmode_p): New function.
5092 (add_cross_iteration_register_deps,
5093 create_ddg_dep_from_intra_loop_link): Call it.
5095 2012-01-02 Richard Guenther <rguenther@suse.de>
5098 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5100 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5102 * gcc.c (process_command): Update copyright notice dates.
5103 * gcov.c (print_version): Likewise.
5104 * gcov-dump.c (print_version): Likewise.
5105 * mips-tfile.c (main): Likewise.
5106 * mips-tdump.c (main): Likewise.
5108 2012-01-01 Ira Rosen <irar@il.ibm.com>
5110 PR tree-optimization/51704
5111 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5112 a use is inside the basic block or loop before accessing its vect info.
5114 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5116 PR rtl-optimization/51069
5117 * cfgloopmanip.c (remove_path): Removing path making irreducible
5118 region unconditional makes BB part of the region.
5120 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5122 PR tree-optimization/51683
5123 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5124 calls with side-effects.
5125 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5127 Copyright (C) 2012 Free Software Foundation, Inc.
5129 Copying and distribution of this file, with or without modification,
5130 are permitted in any medium without royalty provided the copyright
5131 notice and this notice are preserved.
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