1 2012-07-04 Tristan Gingold <gingold@adacore.com>
3 Backport from mainline.
4 2012-06-25 Tristan Gingold <gingold@adacore.com>
6 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
7 (seh_cfa_adjust_cfa): ... that function.
8 (seh_emit_stackalloc): Do not emit out of range values.
9 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
10 UNSPEC_DEF_CFA constants.
11 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
12 * config/i386/i386.c (ix86_frame_pointer_required): Required
13 for very large frames on SEH target.
14 (ix86_compute_frame_layout): Save area is before frame pointer
15 on SEH target. Handle very large frames.
16 (ix86_expand_prologue): Likewise.
18 2012-07-04 Richard Guenther <rguenther@suse.de>
20 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
21 as in free_lang_data_in_type.
23 2012-07-02 Martin Jambor <mjambor@suse.cz>
25 Backport from mainline.
26 2012-07-02 Martin Jambor <mjambor@suse.cz>
29 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
30 dynamic type change check.
32 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
34 * tree-eh.c (lower_try_finally_switch): Really put the location of the
35 last statement of the finally block onto the switch.
37 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
39 * configure: Regenerate.
40 Backport from mainline.
41 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
42 * config.gcc (target_type_format_char): New. Document it. Set it for
44 * configure.ac (gnu_unique_option): Use target_type_format_char
45 in test. Comment rationale.
47 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
49 Backport from mainline.
50 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
51 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
53 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
55 Backport from 2012-06-28 mainline r189049
58 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
59 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
60 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
61 avr_hard_regno_call_part_clobbered.
63 2012-06-28 Richard Guenther <rguenther@suse.de>
66 * expr.c (expand_expr_real_1): Verify if the type is complete
67 before inspecting its size.
69 2012-06-27 Nick Clifton <nickc@redhat.com>
71 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
74 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
77 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
79 2012-06-26 Nick Clifton <nickc@redhat.com>
81 * config/rx/rx.md (simple_return): Use the simple_return rtx.
83 2012-06-25 Jakub Jelinek <jakub@redhat.com>
86 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
87 of x x x in the vmovlps load alternative.
89 2012-06-22 Richard Guenther <rguenther@suse.de>
91 * gcov-iov.c: Include bconfig.h and system.h.
93 2012-06-22 Richard Guenther <rguenther@suse.de>
96 * gcov-iov.c (main): Treat "" and "prerelease" the same.
98 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
100 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
101 DECL_IGNORED_P non-reg vars even if they are used.
103 2012-06-19 Jason Merrill <jason@redhat.com>
106 * dwarf2out.c (modified_type_die): Use scope_die_for.
107 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
108 (uses_local_type_r, uses_local_type): New.
109 (scope_die_for): Keep a type that uses a local type in local scope.
110 Use get_context_die for namespace and type scope.
112 2012-06-19 Richard Guenther <rguenther@suse.de>
115 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
116 replace it with the first non-BLOCK context.
118 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
120 PR rtl-optimization/53700
122 Backport from mainline
123 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
125 * ira-color.c (setup_left_conflict_sizes_p): Process all
128 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
130 Backport from mainline
131 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
134 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
135 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
136 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
137 instead of xop_mulv2div2di3_low.
138 (xop_p<macs>dql): Fix vec_select selector.
139 (xop_p<macs>dqh): Ditto.
140 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
141 (xop_mulv2div2di3_high): Ditto.
143 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
145 Backport from mainline:
146 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
148 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
150 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
152 Backport from mainline:
153 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
155 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
156 * config/pa/pa.c (pa_attr_length_millicode_call): Use
157 MAX_PCREL17F_OFFSET instead of fixed offset.
158 (pa_attr_length_call): Likewise.
159 (pa_attr_length_indirect_call): Likewise.
161 2012-06-15 Walter Lee <walt@tilera.com>
163 Backport from mainline:
164 2012-06-15 Walter Lee <walt@tilera.com>
166 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
168 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
170 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
172 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
174 Backport from mainline:
176 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
177 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
178 * gimple.h (block_in_transaction): Check for flag_tm.
180 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
182 PR tree-optimization/52558
184 Backport from mainline:
185 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
186 * gimple.h (gimple_set_in_transaction): Remove.
187 (gimple_in_transaction): Look in BB instead.
188 (gimple_statement_base): Remove in_transaction field.
189 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
190 * trans-mem.c (compute_transaction_bits): Place transaction bit
191 information into basic blocks.
193 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
195 PR tree-optimization/52558
196 * cfg.c (alloc_aux_for_edge): Fix comment.
197 (alloc_aux_for_edge): Remove static.
198 * basic-block.h (alloc_aux_for_edge): Protoize.
199 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
200 (execute_sm_if_changed_flag): New.
201 (execute_sm_if_changed_flag_set): New.
202 (execute_sm): Do not generate data races unless requested.
203 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
204 (tree_ssa_lim_finalize): Call free_aux_for_edges.
205 * gimple.h (block_in_transaction): New.
206 (gimple_in_transaction): Use block_in_transaction.
208 2012-06-14 Jakub Jelinek <jakub@redhat.com>
210 Backported from mainline
211 2012-06-12 Jakub Jelinek <jakub@redhat.com>
213 PR rtl-optimization/53589
214 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
215 discovery even when e->dest != target. If any LABEL_REF points
216 to e->dest label, redirect it to target's label.
218 2012-06-07 Jakub Jelinek <jakub@redhat.com>
221 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
222 returns false, replace stmt with GIMPLE_NOP.
223 (check_omp_nesting_restrictions): Instead of issuing warnings,
224 issue errors and return false if any errors were reported.
226 2012-06-14 Richard Guenther <rguenther@suse.de>
228 * BASE-VER: Set to 4.7.2.
229 * DEV-PHASE: Set to prerelease.
231 2012-06-12 Christian Bruel <christian.bruel@st.com>
234 * config/sh/sh.c (sh_option_override): Don't force
235 flag_omit_frame_pointer and maccumulate_outgoing_args.
236 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
238 2012-06-14 Release Manager
240 * GCC 4.7.1 released.
242 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
244 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
246 2012-06-13 Richard Henderson <rth@redhat.com>
248 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
249 iterator instead of INT.
251 2012-06-08 Richard Henderson <rth@redhat.com>
254 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
255 note to a clobber insn when no other insn is available.
257 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
260 * doc/invoke.texi (Wenum-compare): Update documentation.
262 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
265 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
267 (altivec_stvlxl): Ditto.
268 (altivec_stvrx): Ditto.
269 (altivec_stvrxl): Ditto.
271 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
274 * trans-mem.c (expand_block_edges): Do not skip the first
275 statement when resetting the BB.
277 2012-06-04 Richard Guenther <rguenther@suse.de>
280 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
281 create new assembler names.
283 2012-06-04 Richard Guenther <rguenther@suse.de>
285 Backport from mainline
286 2012-04-25 Jakub Jelinek <jakub@redhat.com>
289 * stor-layout.c (get_best_mode): Don't return mode with bitsize
290 larger than maxbits. Don't compute maxbits modulo align.
291 Also check that unit bytes long store at bitpos / unit * unit
292 doesn't affect bits beyond bitregion_end.
293 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
294 would not fit into bitregion_start ... bitregion_end + 1 bit
296 (store_split_bit_field): Decrease unit close to end of bitregion_end
297 if access is restricted in order to avoid mutual recursion.
299 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
301 Backport from 2012-06-04 mainline r188172
304 * config/avr/avr-stdint.h: New file.
305 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
308 2012-06-04 Jakub Jelinek <jakub@redhat.com>
310 PR tree-optimization/53550
311 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
312 is POINTER_TYPE_P, use sizetype as step type instead of type.
314 2012-06-04 Richard Guenther <rguenther@suse.de>
315 Eric Botcazou <ebotcazou@adacore.com>
317 Backport from mainline
318 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
320 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
321 Change type of BITOFFSET to signed. Make sure the lower bound of
322 the computed range is non-negative by adjusting OFFSET and BITPOS.
323 (expand_assignment): Adjust call to get_bit_range.
325 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
327 * expr.c (get_bit_range): Return the null range if the enclosing record
328 is part of a larger bit field.
330 2012-03-20 Richard Guenther <rguenther@suse.de>
332 * stor-layout.c (finish_bitfield_representative): Fallback
333 to conservative maximum size if the padding up to the next
334 field cannot be computed as a constant.
335 (finish_bitfield_layout): If we cannot compute the distance
336 between the start of the bitfield representative and the
337 bitfield member start a new representative.
338 * expr.c (get_bit_range): The distance between the start of
339 the bitfield representative and the bitfield member is zero
340 if the field offsets are not constants.
342 2012-03-16 Richard Guenther <rguenther@suse.de>
344 * stor-layout.c (finish_bitfield_representative): Fall back
345 to the conservative maximum size if we cannot compute the
346 size of the tail padding.
348 2012-03-14 Richard Guenther <rguenther@suse.de>
350 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
351 * stor-layout.c (start_bitfield_representative): New function.
352 (finish_bitfield_representative): Likewise.
353 (finish_bitfield_layout): Likewise.
354 (finish_record_layout): Call finish_bitfield_layout.
355 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
356 for QUAL_UNION_TYPE fields.
357 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
358 Stream DECL_BIT_FIELD_REPRESENTATIVE.
359 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
364 * expr.c (get_bit_range): Unconditionally extract bitrange
365 from DECL_BIT_FIELD_REPRESENTATIVE.
366 (expand_assignment): Adjust call to get_bit_range.
368 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
371 * fold-const.c (fold_binary_loc): Refine previous change.
373 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
375 Backport from mainline
376 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
379 * config/sh/sh.c (find_barrier): Add equality check of last_got to
380 avoid going above orig insn. Update comments.
382 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
384 Backport from mainline
385 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
388 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
389 prologue for unwinder and profiler.
391 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
393 Backport from mainline
394 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
396 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
398 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
400 Backport from mainline
401 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
403 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
406 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
408 Backport from mainline
409 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
411 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
412 operand is CONST_INT. Take COSTS_N_INSNS into account.
413 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
416 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
418 * config/avr/avr.opt (-msp8): Document it.
419 * doc/invoke.texi (AVR Options): Copy from trunk docu.
421 2012-05-31 Richard Guenther <rguenther@suse.de>
424 * expr.c (expand_assignment): Do not use movmisalign on
427 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
430 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
431 (pa_section_type_flags): New.
432 (pa_legitimate_constant_p): Revert previous change.
434 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
436 Backport from mainline
437 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
440 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
442 (ipa_tm_create_version): Same.
444 2012-05-30 Jason Merrill <jason@redhat.com>
447 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
448 about array compound literals.
450 2012-05-30 Richard Guenther <rguenther@suse.de>
453 * fold-const.c (fold_binary_loc): Make sure to call
454 fold_plusminus_mult_expr with the original sign of operands.
456 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
458 * explow.c (probe_stack_range): Restore simple control flow and stop
459 again when the probe cannot be generated if HAVE_check_stack.
461 2012-05-30 Jakub Jelinek <jakub@redhat.com>
463 PR rtl-optimization/53519
464 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
465 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
467 2012-05-29 Richard Guenther <rguenther@suse.de>
469 PR tree-optimization/53516
470 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
472 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
474 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
476 Backport from mainline
477 2012-05-28 Richard Guenther <rguenther@suse.de>
479 PR tree-optimization/53438
480 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
482 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
484 Backport from mainline
485 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
487 PR rtl-optimization/52528
488 * combine.c (can_combine_p): Add setting of subst_low_luid
489 before call to expand_field_assignment().
491 2012-05-26 Martin Jambor <mjambor@suse.cz>
493 Backport from mainline
494 2012-05-23 Martin Jambor <mjambor@suse.cz>
496 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
498 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
501 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
502 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
504 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
507 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
508 (ix86_expand_vec_perm): Use int mode instead of float.
510 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
513 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
514 gnu_ld variables to yes.
515 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
516 (HAVE_GNU_AS): Likewise.
517 * config.in: Regenerate.
518 * configure: Likewise.
520 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
522 Backport from mainline
523 2012-03-12 Richard Guenther <rguenther@suse.de>
524 * config/arm/arm.c (neon_dereference_pointer): Do not call
525 covert during RTL expansion.
527 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
529 Backport from mainline
530 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
533 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
534 relied on signed overflow behavior.
536 2012-05-24 Richard Guenther <rguenther@suse.de>
539 * tree-profile.c (tree_profiling): Cleanup the CFG if
540 execute_fixup_cfg requests it.
542 2012-05-24 Jakub Jelinek <jakub@redhat.com>
544 PR tree-optimization/53465
545 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
546 vr0 into *vr, then vrp_meet that.
547 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
548 have any equivalences.
549 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
552 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
554 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
556 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
557 (iterative_hash_gimple_type): Adjust comment.
558 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
559 domain for an array type instead of the domain type itself.
561 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
563 Backport from 2012-05-23 mainline r187803
566 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
567 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
570 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
572 Backport from 2012-05-03 mainline r187075
574 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
575 has_fma4 for AMD processors with both fma3 and fma4 support.
577 2012-05-22 Richard Guenther <rguenther@suse.de>
579 PR tree-optimization/53408
580 * tree-vect-loop.c (vectorizable_induction): Properly check
581 the restriction that we cannot handle induction results from
582 the inner loop outside of the outer loop.
584 2012-05-21 Jakub Jelinek <jakub@redhat.com>
586 PR tree-optimization/53436
587 * omp-low.c (omp_build_component_ref): New function.
588 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
590 PR tree-optimization/53366
591 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
592 tests if complex_numbers == 2, but there are non-complex number loads
595 PR tree-optimization/53409
596 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
597 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
599 PR tree-optimization/53410
600 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
601 instead of build_int_cst (type, 0) where vector types might be
604 2012-05-21 Joseph Myers <joseph@codesourcery.com>
607 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
608 from folded operands before wrapping another around the
609 conditional expression.
611 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
612 Patrick Marlier <patrick.marlier@gmail.com>
614 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
617 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
619 Backport from mainline
620 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
623 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
624 (UNSPECV_RDRAND): This.
625 (rdrand<mode>_1): Updated.
627 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
629 Backport from mainline
630 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
632 * config/i386/driver-i386.c (host_detect_local_cpu): Support
633 RDRND, F16C and FSGSBASE.
635 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
637 Backport from mainline
638 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
640 * tree-ssa-pre.c (can_value_number_call): Delete.
641 (compute_avail): Skip all statements with side effects.
642 <GIMPLE_CALL>: Skip calls to internal functions.
644 2012-05-18 David S. Miller <davem@davemloft.net>
646 Backport r185385 from mainline
647 2012-03-14 Richard Guenther <rguenther@suse.de>
650 * tree-vect-generic.c (type_for_widest_vector_mode): Take
651 element type instead of mode, use build_vector_type_for_mode
652 instead of the langhook, build a vector of proper signedness.
653 (expand_vector_operations_1): Adjust.
655 2012-05-18 Olivier Hainque <hainque@adacore.com>
657 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
658 $(libsubdir) as libexecsubdir.
660 2012-05-16 Andrew Pinski <apinski@cavium.com>
662 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
665 2012-05-16 David S. Miller <davem@davemloft.net>
667 * jump.c (delete_related_insns): If we remove a CALL, make sure
668 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
670 2012-05-16 Richard Henderson <rth@redhat.com>
673 * combine-stack-adj.c (prev_active_insn_bb): New.
674 (next_active_insn_bb): New.
675 (force_move_args_size_note): New.
676 (combine_stack_adjustments_for_block): Use it.
678 2012-05-16 Olivier Hainque <hainque@adacore.com>
680 * Makefile.in (install-no-fixedincludes): New target, former toplevel
681 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
682 Add comments and improve stamp preservation across the whole sequence.
683 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
685 2012-05-16 Richard Guenther <rguenther@suse.de>
687 PR tree-optimization/53364
688 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
689 detect a view-conversion of the decl.
691 2012-05-15 Jakub Jelinek <jakub@redhat.com>
694 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
695 that operands[2] is either immediate, or q_regs_operand.
697 2012-05-15 Bin Cheng <bin.cheng@arm.com>
699 Backport r187139 from mainline.
700 2012-05-04 Bin Cheng <bin.cheng@arm.com>
702 PR rtl-optimization/52804
703 * reload1.c (reload_reg_reaches_end_p): Check whether successor
704 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
705 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
706 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
707 RELOAD_FOR_OUTADDR_ADDRESS.
709 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
712 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
713 generate target register for "load" class builtins.
716 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
719 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
720 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
721 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
722 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
723 (<sse>_movu<ssemodesuffix>): New expander.
724 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
725 (avx_movdqu<avxmodesuffix>): New expander.
726 (*sse2_movdqu): Rename from sse2_movdqu.
727 (sse2_movdqu): New expander.
729 2012-05-14 Jakub Jelinek <jakub@redhat.com>
731 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
732 lineno 1 the same as lineno 0 before first start file directive.
733 (optimize_macinfo_range): Likewise.
735 * dwarf2out.c (have_macinfo): Define.
736 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
737 attribute, don't force empty compilation unit and don't emit any
738 .debug_macinfo/.debug_macro section if macinfo_table is empty.
740 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
742 Backport from mainline
743 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
745 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
746 ORDERED and UNORDERED conditions.
748 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
750 * function.c (requires_stack_frame_p): If the function can throw
751 non-call exceptions, return true if the insn can throw internally.
753 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
755 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
756 DECL_ORIGINAL_TYPE if it is present.
758 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
760 Backport from 2012-05-12 mainline r187342.
763 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
764 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
765 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
766 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
767 (expand_prologue): Move initialization of cfun->machine->is_naked,
768 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
769 (avr_set_current_function): ...this new static function.
770 (TARGET_SET_CURRENT_FUNCTION): New define.
771 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
772 checking attributes of current_function_decl.
773 (avr_regs_to_save): Ditto.
774 (signal_function_p): Rename to avr_signal_function_p.
775 (interrupt_function_p): Rename to avr_interrupt_function_p.
777 * doc/extend.texi (Function Attributes): Better explanation of
778 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
781 2012-05-09 Matthias Klose <doko@ubuntu.com>
783 * gcc-ar.c (main): Don't check for execute bits for the plugin.
785 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
788 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
789 when a constant source operand matches an "I" constraint, the "no
790 CC0 change" applies to a register-destination only, not a
791 strict_low_part-destination.
793 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
795 Backport from mainline:
796 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
798 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
800 2012-05-07 Jakub Jelinek <jakub@redhat.com>
802 PR tree-optimization/53239
803 * tree-vrp.c (get_value_range): Set VR of
804 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
807 2012-05-07 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/53195
810 * tree-inline.c (setup_one_parameter): Properly add referenced
811 vars from the parameters new known value.
813 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
815 Backport from mainline:
816 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
819 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
822 2012-05-04 Ian Lance Taylor <iant@google.com>
824 * tree-vect-patterns.c (vect_single_imm_use): Correct return
825 values from false to NULL.
827 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
829 Backport from mainline
830 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
833 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
834 (TARGET_CMOV): Rename from TARGET_CMOVE.
835 (TARGET_CMOVE): New define.
836 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
837 Do not set TARGET_CMOVE here.
839 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
841 Backport from mainline:
843 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
845 PR tree-optimization/52633
846 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
847 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
848 (vect_recog_over_widening_pattern): Remove handling of code that was
849 already detected as over-widening pattern. Remove special handling
850 of "unsigned" cases. Instead, support general case of conversion
851 of the shift result to another type.
853 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
855 * tree-vect-patterns.c (vect_single_imm_use): New function.
856 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
857 (vect_recog_over_widening_pattern): Likewise.
858 (vect_recog_widen_shift_pattern): Likewise.
860 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
862 PR tree-optimization/52870
863 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
864 presumed pattern statement is within the same loop or basic block.
866 2012-05-04 Richard Guenther <rguenther@suse.de>
868 * common.opt (flto-report): Do not mark as Optimization.
870 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
873 * recog.c (constrain_operands): If extra constraints are present, also
874 accept pseudo-registers with equivalent memory locations during reload.
876 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
878 Backport from the mainline
879 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
882 * config/rs6000/rs6000.md (bswapdi splitters): If
883 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
884 default) is used, generate an alternate sequence that does not
885 depend on using indexed addressing.
887 2012-05-03 David S. Miller <davem@davemloft.net>
890 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
891 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
892 (sparc_emit_float_lib_cmp): Likewise.
894 2012-05-04 Martin Jambor <mjambor@suse.cz>
896 Backport from mainline
897 2012-05-02 Martin Jambor <mjambor@suse.cz>
900 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
901 of a variable when the contect is a function.
903 2012-05-03 Jakub Jelinek <jakub@redhat.com>
906 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
907 append program name to it and pass that as first argument
908 to make_relative_prefix. Always pass standard_libexec_prefix
909 as last argument to make_relative_prefix. If
910 make_relative_prefix returns NULL, fall back to
911 standard_libexec_prefix.
914 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
918 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
919 mode, return that mode.
921 2012-05-03 Richard Guenther <rguenther@suse.de>
923 PR tree-optimization/53144
924 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
926 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
927 with SSA name values.
928 (vn_reference_lookup_3): Adjust callers.
930 2012-05-02 Jakub Jelinek <jakub@redhat.com>
932 PR tree-optimization/53163
933 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
934 return value from compute_all_dependences.
936 PR rtl-optimization/53160
937 * ree.c (combine_reaching_defs): Handle the case where cand->insn
938 has been modified by ree pass already.
940 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
942 Backport from mainline
943 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
946 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
947 calls to cgraph_node_name in xstrdup.
948 (ipa_make_edge_direct_to_target): Ditto.
949 * tree-sra.c (convert_callers_for_node): Ditto.
950 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
951 * ipa-cp.c (perhaps_add_new_callers): Ditto.
952 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
953 (cgraph_materialize_all_clones): Ditto.
954 * ipa-inline.c (report_inline_failed_reason): Ditto.
955 (want_early_inline_function_p): Ditto.
956 (edge_badness): Ditto.
957 (update_edge_key): Ditto.
958 (flatten_function): Ditto.
960 (inline_always_inline_functions): Ditto.
961 (early_inline_small_functions): Ditto.
963 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
965 Backport from mainline
966 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
968 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
969 Introduce emul_name to select the right linker emulation for
970 powerpc64-*-freebsd*.
971 * configure: Regenerate.
972 * config.gcc: Add bits to support powerpc64-*-freebsd*.
973 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
974 * config/rs6000/freebsd64.h: New file.
975 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
977 (rs6000_savres_strategy): Likewise.
978 (rs6000_savres_routine_name): Likewise.
979 (rs6000_elf_file_end): Likewise.
980 * config/rs6000/t-freebsd64: New file.
981 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
982 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
984 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
986 Backport from mainline
987 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
990 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
992 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
994 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
995 predicate to discriminate types.
997 2012-04-27 Richard Guenther <rguenther@suse.de>
1000 * convert.c (convert_to_integer): Avoid infinite recursion for
1001 target-defined built-in types.
1003 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1006 * config/cris/cris.md ("*andhi_lowpart_v32")
1007 ("*andqi_lowpart_v32"): Change first input-only operand from
1008 a (match_operand ...) to (match_dup 0). Drop alternatives with
1009 const_int-matching constraints for redundancy.
1010 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1011 three-operand alternative.
1013 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1015 Backport from mainline
1016 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1018 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1019 (*addsi_2_zext): Ditto.
1020 (*add<mode>_3): Ditto.
1021 (*addsi_3_zext): Ditto.
1022 (*add<mode>_5): Ditto.
1024 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1027 * c-typeck.c (set_nonincremental_init,
1028 set_nonincremental_init_from_string): Pass true instead of false
1029 as IMPLICIT to add_pending_init.
1031 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1033 Backport from 2012-04-24 mainline r186768.
1036 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1038 2012-04-24 Richard Guenther <rguenther@suse.de>
1040 PR tree-optimization/53085
1041 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1044 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1047 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1049 (output_addressed_constants): Likewise.
1052 * varasm.c (get_section): Don't ICE for section conflicts with
1053 built-in section kinds.
1055 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1057 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1059 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1061 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1063 2012-04-23 Richard Guenther <rguenther@suse.de>
1066 * c-typeck.c (build_binary_op): Fix typo.
1068 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1070 PR tree-optimizations/52891
1071 * tree-vect-patterns.c (adjust_bool_pattern): Use
1072 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1073 but with non-standard precision.
1075 2012-04-22 Ian Lance Taylor <iant@google.com>
1077 * godump.c (go_output_typedef): Dump size of structs.
1079 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1081 Backport from mainline:
1083 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1084 hints for 'A' operand types.
1086 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1088 Backport from 2012-04-19 mainline r186588.
1091 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1092 the case *(X+const).
1094 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1096 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1098 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1101 * config/i386/sync.md (atomic_<code><mode>): Rename to
1102 atomic_<logic><mode>.
1104 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1106 Backport from mainline
1107 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1110 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1111 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1112 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1113 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1114 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1115 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1116 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1117 gen_avx2_permvarv8sf.
1119 2012-04-16 Martin Jambor <mjambor@suse.cz>
1121 Backported from mainline
1123 2012-04-13 Martin Jambor <mjambor@suse.cz>
1126 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1127 fold_ctor_reference returns a zero constant.
1129 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1131 Backported from mainline
1132 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1134 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1135 and __ILP32__ for x32.
1137 2012-04-13 Tom de Vries <tom@codesourcery.com>
1139 Backport from mainline r186418.
1141 2012-04-13 Tom de Vries <tom@codesourcery.com>
1143 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1144 parameters vuse and vuse_escaped.
1145 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1146 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1149 2012-04-13 Richard Guenther <rguenther@suse.de>
1151 PR tree-optimization/52969
1152 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1153 the condition for the COND_EXPR and handle predicate negation
1154 by swapping the COND_EXPR arms.
1156 2012-04-13 Richard Guenther <rguenther@suse.de>
1159 * convert.c (convert_to_pointer): Remove special-casing of
1162 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1164 Backport from mainline
1165 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1168 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1169 the list of options to enable the FCFID instruction.
1170 (TARGET_EXTRA_BUILTINS): Adjust comment.
1172 2012-04-12 Richard Guenther <rguenther@suse.de>
1174 PR tree-optimization/52943
1175 * tree-chrec.h (chrec_is_positive): Remove.
1176 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1177 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1178 Return false for a constant zero instead of negative.
1179 (analyze_siv_subscript_cst_affine): Handle zero difference
1180 in the initial condition explicitely.
1182 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1185 * varasm.c (process_pending_assemble_externals): Set
1186 pending_assemble_externals_processed true.
1187 (assemble_external): Call assemble_external_real if the pending
1188 assemble externals have been processed.
1190 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1193 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1194 the DECL generated for the special GOT helper.
1196 2012-04-06 Walter Lee <walt@tilera.com>
1198 Backport from mainline
1199 2012-03-07 Walter Lee <walt@tilera.com>
1201 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1202 REG_CFA_* notes for the stack pointer.
1203 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1204 EH_RETURN_STACKADJ_RTX.
1205 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1206 generate REG_CFA_* notes for the stack pointer.
1207 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1208 by EH_RETURN_STACKADJ_RTX.
1210 2012-04-06 Matt Turner <mattst88@gmail.com>
1212 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1214 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1216 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1217 of the destination isn't also a FP_REGS register.
1219 2012-04-03 Richard Guenther <rguenther@suse.de>
1221 Backport from mainline
1222 2012-03-02 Richard Guenther <rguenther@suse.de>
1224 PR tree-optimization/52406
1225 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1226 (struct indices): Add unconstrained_base member.
1227 (struct dr_alias): Remove unused vops member.
1228 (DR_UNCONSTRAINED_BASE): New define.
1229 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1230 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1231 be an artificial access that covers the whole indexed object,
1232 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1233 plain decl base-objects to their MEM_REF variant.
1234 (dr_may_alias_p): When the base-object of either data reference
1235 has unknown size use only points-to information.
1236 (compute_affine_dependence): Make dumps easier to read and
1238 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1239 DR_REF when looking for packed references.
1240 (vect_supportable_dr_alignment): Likewise.
1242 2012-04-03 Richard Guenther <rguenther@suse.de>
1244 Backport from mainline
1245 2012-03-15 Richard Guenther <rguenther@suse.de>
1248 * tree-data-ref.c (subscript_dependence_tester_1): Check
1249 all dimensions for non-conflicting access functions.
1251 2012-04-03 Richard Guenther <rguenther@suse.de>
1253 Backport from mainline
1254 2012-03-06 Richard Guenther <rguenther@suse.de>
1257 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1259 2012-03-23 Richard Guenther <rguenther@suse.de>
1261 PR tree-optimization/52678
1262 * tree-vectorizer.h (struct _stmt_vec_info): Add
1263 loop_phi_evolution_part member.
1264 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1265 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1266 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1267 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1268 Use the cached evolution part and the PHI nodes value from
1269 the loop preheader edge instead of re-analyzing the evolution.
1271 2012-03-26 Richard Guenther <rguenther@suse.de>
1273 PR tree-optimization/52701
1274 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1275 compute and set the evolution part of PHI nodes.
1277 2012-03-30 Richard Guenther <rguenther@suse.de>
1279 PR tree-optimization/52754
1280 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1281 propagate arbitrary addresses into really plain dereferences.
1283 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1285 PR tree-optimization/52835
1286 * tree-data-ref.c (build_rdg): Return NULL if
1287 compute_data_dependences_for_loop failed.
1289 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1291 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1292 (stmt_can_make_abnormal_goto): Use it.
1293 (is_ctrl_altering_stmt): Likewise.
1295 2012-03-31 Martin Jambor <mjambor@suse.cz>
1297 Backported from mainline
1298 2012-03-30 Martin Jambor <mjambor@suse.cz>
1300 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1301 is a builtin_stack_save in a dominating BB.
1303 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1305 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1306 crossing 128bit lane boundary.
1308 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1310 Backported from mainline
1311 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1314 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1316 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1317 * config/i386/i386.c: Include reload.h.
1318 (ix86_legitimize_reload_address): New function.
1320 2012-03-28 Martin Jambor <mjambor@suse.cz>
1322 Backported from mainline
1323 2012-03-27 Martin Jambor <mjambor@suse.cz>
1326 * tree-sra.c (sra_modify_assign): Do not call
1327 load_assign_lhs_subreplacements when working with an unscalarizable
1330 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1333 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1334 __builtin_va_start to __builtin_next_arg if the latter is
1335 builtin_decl_explicit_p rather than when it is not.
1338 * tree-vect-generic.c (vector_element): Perform multiplication
1339 for pos in bitsizetype type instead of idx type.
1341 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1343 Backport from 2012-03-28 mainline r185910.
1346 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1347 (avr_builtin_decl): New static function.
1348 (struct avr_builtin_description, avr_bdesc): Move up.
1349 Add GTY marker. Add field fndecl. Remove redundant field id.
1350 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1351 (avr_expand_builtin): Code cleanup because .id is removed.
1353 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1356 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1359 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1361 Backport from 2012-03-28 mainline r185907.
1364 * config.gcc (tm_file): Remove avr/multilib.h.
1366 * doc/invoke.texi (AVR Options): Adjust
1367 documentation of -mtiny-stack.
1369 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1370 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1371 * config/avr/t-avr: Remove generation of multilib.h.
1372 * config/avr/t-multilib: Regenerate.
1373 * config/avr/multilib.h: Remove.
1374 * config/avr/avr.opt (-msp8): New option.
1375 (avr_sp8): New variable.
1376 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1377 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1378 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1379 (avr_device_to_sp8): New prototype.
1380 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1381 (DRIVER_SELF_SPECS): New define.
1382 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1383 __AVR_SP8__, __AVR_HAVE_SPH__.
1384 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1385 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1386 (avr_file_start): Ditto.
1388 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1391 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1392 instead of 8 in adjust_address.
1394 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1396 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1397 of a unit before computing the offset in units.
1399 2012-03-27 Richard Guenther <rguenther@suse.de>
1402 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1405 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1408 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1410 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1413 * varasm.c: Include pointer-set.h.
1414 (pending_assemble_externals_set): New pointer set.
1415 (process_pending_assemble_externals): Destroy the pointer set.
1416 (assemble_external): See if decl is in pending_assemble_externals_set,
1417 and add it to pending_assemble_externals if necessary.
1418 (init_varasm_once): Allocate pending_assemble_externals_set.
1420 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1422 Backported from mainline
1423 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1426 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1427 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1428 (vector_ltgt<mode>): Likewise.
1429 (vector_ordered<mode>): Likewise.
1430 (vector_unordered<mode>): Likewise.
1431 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1433 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1435 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1438 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1440 Backported from mainline
1441 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1445 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1446 GENERAL_REGS and FP_REGS for SImode.
1448 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1451 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1452 on any new_local_var_chain vars declared during recursing on
1453 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1455 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1457 Backport from 2012-03-22 mainline r185692.
1460 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1461 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1462 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1463 (delay_cycles_1, delay_cycles_2): Ditto.
1464 (delay_cycles_3, delay_cycles_4): Ditto.
1465 (nopv, *nopv): Ditto.
1466 (sleep, *sleep): Ditto.
1469 Backport from 2012-03-21 mainline r185605.
1471 PR rtl-optimization/52543
1473 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1474 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1475 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1476 (avr_load_libgcc_p): Restrict to __flash loads.
1477 (avr_out_lpm): Only handle 1-byte loads from __flash.
1478 (avr_load_lpm): New function.
1479 (avr_find_unused_d_reg): Remove.
1480 (avr_out_lpm_no_lpmx): Remove.
1481 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1482 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1483 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1484 (load_<mode>, load_<mode>_clobber): New insns.
1485 (mov<mode>): For multi-byte move from non-generic
1486 16-bit address spaces: Expand to load_<mode> resp.
1487 load_<mode>_clobber.
1488 (load<mode>_libgcc): Remove expander.
1489 (split-lpmx): Remove split.
1491 Backport from 2012-03-13 mainline r185329.
1494 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1495 offset (size) to a value the insns can deal with.
1496 (expand_epilogue): Ditto.
1498 Backport from 2012-03-12 mainline r185256.
1501 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1502 type from reg_class_t to enum reg_class.
1503 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1505 Backport from 2012-03-12 mainline r185253.
1508 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1509 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1510 r184615 from 2012-02-28.
1512 Backport from 2012-03-08 mainline r185105.
1514 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1515 for constants in [-63,63].
1517 Backport from 2012-03-08 mainline r185100.
1520 * config/avr/avr.c (avr_mem_clobber): New static function.
1521 (avr_expand_delay_cycles): Add memory clobber operand to
1522 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1523 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1524 (enable_interrupt, disable_interrupt): New expander.
1525 (nopv, sleep, wdr): New expanders.
1526 (delay_cycles_1): Add memory clobber.
1527 (delay_cycles_2): Add memory clobber.
1528 (delay_cycles_3): Add memory clobber.
1529 (delay_cycles_4): Add memory clobber.
1530 (cli_sei): New insn from former "enable_interrupt",
1531 "disable_interrupt" with memory clobber.
1532 (*wdt): New insn from former "wdt" with memory clobber.
1533 (*nopv): Similar, but for "nopv".
1534 (*sleep): Similar, but for "sleep".
1536 Backport from 2012-03-07 mainline r185043.
1539 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1541 Backport from 2012-03-07 mainline r185032.
1544 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1545 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1546 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1548 Backport from 2012-03-07 mainline r185031.
1551 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1553 * config/avr/avr.md (xload_8): Adjust insn length.
1555 Backport from 2012-03-07 mainline r185030.
1558 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1559 if RAMPZ affects reading from RAM.
1561 Backport from 2012-03-05 mainline r184919.
1563 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1565 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1567 Backport from mainline r185259.
1570 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1571 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1573 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1575 Backported from mainline
1576 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1579 * c-parser.c (c_parser_postfix_expression)
1580 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1582 * config/i386/smmintrin.h: Avoid /* within a comment.
1583 * config/i386/nmmintrin.h: Likewise.
1585 2012-03-22 Richard Guenther <rguenther@suse.de>
1587 * BASE-VER: Set to 4.7.1.
1588 * DEV-PHASE: Set to prerelease.
1590 2012-03-22 Release Manager
1592 * GCC 4.7.0 released.
1594 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1596 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1598 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1599 Andrew Pinski <apinski@cavium.com>
1602 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1603 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1604 calls instead of __builtin_ir{int,ound}*.
1606 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1609 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1612 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1614 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1615 Refer to GCC 4.7 version of c99status.html.
1617 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1619 Backport from mainline
1620 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1622 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1623 redefine to be NULL if the current bit-size is different from the
1624 configured bit-size.
1626 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1627 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1628 set the default tuning. Add asserts to make sure the cpu and tune
1629 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1630 test whether the index is set, instead of > 0.
1631 (rs6000_file_start): Do not reset the default cpu if the current
1632 bit-size is different from the configured bit-size.
1634 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1636 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1638 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1639 Update binutils references.
1640 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1641 Update binutils reference.
1642 Update Sun as/GNU ld caveat.
1643 Document binutils largefile requirement for LTO plugin.
1644 Remove reference to alternate libpthread.
1646 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1648 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1650 (Specific, mips-sgi-irix6): Likewise.
1652 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1654 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1655 * configure: Regenerate.
1657 2012-03-07 Richard Henderson <rth@redhat.com>
1659 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1660 * config/m68k/sync.md (atomic_test_and_set): Use it.
1661 (atomic_test_and_set_1): Likewise.
1663 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1666 * Makefile.in: Let install-gcc-ar depend on installdirs,
1667 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1668 Don't double canonicalize if cross-compiling.
1670 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1672 * trans-mem.c: New typedef for tm_region_p.
1673 Define vector types for tm_region_p.
1674 (tm_region_init): Replace region_worklist to a vector called
1677 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1680 * trans-mem.c (tm_region_init): Use last_basic_block.
1682 2012-03-05 Richard Henderson <rth@redhat.com>
1685 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1686 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1687 BIGGEST_ALIGNMENT is aligned.
1689 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1691 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1693 2012-03-05 Richard Henderson <rth@redhat.com>
1696 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1697 instead of calling negqi2 directly.
1699 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1701 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1702 (INTMAX_TYPE): Use it.
1703 (UINTMAX_TYPE): Likewise.
1704 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1705 (irix6_c_common_override_options): Declare.
1706 (C_COMMON_OVERRIDE_OPTIONS): Define.
1707 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1708 * config/mips/irix6-c.c: New file.
1709 * config/mips/t-irix6 (irix6-c.o): New target.
1710 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1713 2012-03-02 Richard Henderson <rth@redhat.com>
1715 * optabs.c (expand_atomic_test_and_set): Honor
1716 atomic_test_and_set_trueval even when atomic_test_and_set
1717 optab is not in use.
1719 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1721 Backport from mainline
1722 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1724 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1726 2012-03-02 Richard Guenther <rguenther@suse.de>
1728 * DEV-PHASE: Set to prerelease.
1730 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1732 * config.gcc (obsolete): Add all ARM targets using the FPA.
1733 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1734 * doc/install.texi: Avoid references to obsolete ARM ports.
1736 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1738 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1740 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1741 Joern Rennecke <joern.rennecke@embecosm.com>
1743 * doc/extend.texi: Expand and update information on interrupt
1744 attribute for Epiphany.
1746 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1748 * config/sh/sh-protos.h: Update copyright notice dates.
1749 * config/sh/sh.h: Likewise.
1750 * config/sh/sh.md: Likewise.
1751 * config/sh/constraints.md: Likewise.
1752 * config/sh/predicates.md: Likewise.
1754 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1756 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1757 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1759 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1761 * config/sh/constraints.md: Fix comment typo.
1763 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1766 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1767 unsigned HOST_WIDE_INT.
1768 (zvdep_imm64): Likewise.
1769 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1770 (vdepi_and): Likewise.
1771 Likewise for unamed 64-bit patterns.
1772 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1774 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1777 PR rtl-optimization/52417
1778 * cselib.c (cselib_any_perm_equivs): New variable.
1779 (cselib_reset_table): Check that it's not set when not
1780 preserving constants.
1781 (cselib_add_permanent_equiv): Set it.
1782 (cselib_have_permanent_equivalences): New.
1783 (cselib_init, cselib_finish): Reset it.
1784 * cselib.h (cselib_have_permanent_equivalences): Declare.
1785 * alias.c (get_addr): Restore earlier behavior when there
1786 aren't permanent equivalences.
1788 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1790 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1791 * config/v850/v850-modes.def: Fix copyright notice.
1793 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1795 * doc/extend.texi (AVR Built-in Functions): Document
1796 __builtin_avr_flash_segment.
1798 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1799 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1800 (*split.flash_segment): New insn-and-split.
1801 * config/avr/avr.c (avr_init_builtins): Add local variables:
1802 const_memx_void_node, const_memx_ptr_type_node,
1803 char_ftype_const_memx_ptr.
1805 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1807 PR tree-optimization/52445
1808 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1809 add ssa_name_ver, offset and size fields and change store field
1811 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1812 (add_or_mark_expr): Likewise. Only consider previous stores
1813 with the same size and offset.
1814 (nt_init_block): Only look at gimple_assign_single_p stmts,
1815 doesn't look at rhs2.
1817 2012-03-01 Richard Guenther <rguenther@suse.de>
1820 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1821 conversions from integral types to pointer types.
1823 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1825 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1826 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1827 unintentionally removed in r184616.
1829 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1831 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1834 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1835 Uros Bizjak <ubizjak@gmail.com>
1838 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1839 alternatives, add "e" constraint to the new last alternative
1840 and ! to last 3 alternatives.
1842 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1844 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1845 DW_AT_artificial attributes at the end of the processing.
1846 (gen_array_type_die): Likewise.
1847 (gen_enumeration_type_die): Likewise.
1848 (gen_struct_or_union_type_die): Likewise.
1849 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1852 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1855 * expr.c (expand_assignment): If doing misaligned store that doesn't
1856 cover all mode bits, perform a RMW cycle.
1858 PR tree-optimization/52429
1859 * tree-parloops.c (separate_decls_in_region_debug): Return early
1860 if var is LABEL_DECL.
1862 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1864 PR tree-optimization/52424
1865 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1866 calling dom_thread_across_edge.
1868 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1870 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1872 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1874 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1875 * config/avr/avr.c (avr_output_bld): Remove unused function.
1876 (avr_out_sbxx_branch): Use "%T" to print bit position.
1878 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1880 * config/avr/avr.md: Untabify.
1882 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1884 * config/avr/avr.md (eqne): New code iterator.
1885 (*dec-and-branchsi): Use it in text peephole's condition.
1886 (*dec-and-branchhi): Ditto.
1887 (*dec-and-branchqi): Ditto.
1889 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1892 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1893 the device does not have the skip-bug.
1895 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1897 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1898 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1899 -mpretend-cmove): New.
1901 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1904 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1905 doesn't count DEBUG_INSN refs.
1906 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1907 for DEBUG_INSN refs.
1909 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1913 2012-02-20 Richard Guenther <rguenther@suse.de>
1914 PR tree-optimization/52298
1915 * tree-vect-stmts.c (vectorizable_load): Properly use
1916 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1919 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1922 * gimple.h (gimple_in_transaction): New.
1923 (gimple_set_in_transaction): New.
1924 (struct gimple_statement_base): Add in_transaction field.
1925 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1927 (tree_ssa_lim_initialize): Compute transaction bits.
1928 * tree.h (compute_transaction_bits): Protoize.
1929 * trans-mem.c (tm_region_init): Use the heap to store BB
1931 (compute_transaction_bits): New.
1933 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1935 * gcc.c (display_help): Document --help=common and sort entries
1938 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1940 * doc/install.texi: Document check-$LANG specific shortcuts
1942 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1945 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1947 * config/arm/arm_neon.h: Regenerate.
1948 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1949 (neon_vcgeu): New insn.
1950 (neon_vcgtu): Likewise.
1951 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1952 (ops): Unsigned comparison intrinsics call a different
1955 2012-02-28 Richard Guenther <rguenther@suse.de>
1958 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1959 ordering for the VEC_CONCAT for two element vectors for
1960 V2SFmode, V2SImode and V2DImode.
1962 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1965 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1966 detecting big-endian triplets.
1968 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1970 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1971 mode if there is no type information available.
1973 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1975 PR tree-optimization/53207
1976 * doc/invoke.texi: Document as experimental and relying on graphite.
1978 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1980 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1981 of initializer to changes from r184614.
1983 2012-02-28 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/52395
1986 * tree-sra.c (build_ref_for_offset): Also look at the base
1987 TYPE_ALIGN when figuring out the alignment of the replacement.
1989 2012-02-28 Richard Guenther <rguenther@suse.de>
1991 PR tree-optimization/52402
1992 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1993 mis-aligned types when creating the accesses at the call site.
1995 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1997 * config/avr/builtins.def: New file.
1998 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1999 * config/avr/avr.c (enum avr_builtin_id): Use it.
2000 (avr_init_builtins): Use it. And use avr_bdesc.
2001 (bdesc_1arg): Remove.
2002 (bdesc_2arg): Remove.
2003 (bdesc_3arg): Remove.
2004 (struct avr_builtin_description): Add field n_args.
2005 (avr_bdesc): New static variable using builtins.def.
2006 (avr_expand_builtin): Use it.
2007 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2008 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2009 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2011 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2014 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2015 match only one single hard register with respective hard reg rtx.
2016 (movmemx_<mode>): Ditto.
2017 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2018 insn anatomy of movmem[x]_<mode>.
2019 (avr_out_movmem): Same for printing assembler and operand usage.
2021 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2025 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2026 address spaces located outside of device flash.
2028 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2029 (mcu_type_s): Add field n_flash.
2030 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2031 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2032 (AVR_MCU): Add N_FLASH argument.
2033 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2034 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2035 macro __FLASH<n> if that address space makes sense for the device.
2036 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2037 outside of target flash.
2038 (avr_asm_named_section): Ditto.
2039 (avr_asm_select_section): Ditto.
2040 (avr_addr_space_convert): Ditto.
2041 (avr_emit_movmemhi): Ditto.
2042 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2043 address space is outside of device flash.
2044 (avr_insert_attributes): Ditto.
2045 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2046 avr_current_arch->n_segments.
2048 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2051 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2053 (*movabs<mode>_2): Likewise.
2055 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2058 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2059 s_register_operand in the test instead of REG_P. Don't call
2060 gen_reg_rtx if it won't be used.
2062 PR tree-optimization/52376
2063 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2065 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2067 * ifcvt.c (noce_get_condition): Check condition variable is not
2068 small_register_classes_for_mode_p before accepting.
2070 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2072 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2074 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2077 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2078 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2080 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2082 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2084 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2086 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2088 * config/sh/predicates.md: Remove blank lines.
2089 * config/sh/sh.c: Fix typos in comments.
2090 * config/sh/constraints.md: Likewise.
2091 * config/sh/sh.md: Remove blank lines.
2092 Fix typos in comments. Use ;; as comment characters.
2094 2012-02-26 Walter Lee <walt@tilera.com>
2096 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2097 (replace_mov_pcrel_step2): Ditto.
2099 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2102 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2103 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2104 and locs that reference values newer than the non-canonical value
2105 at hand. Return the canonical value as a worst case.
2106 (memrefs_conflict_p): Walk canonical value's locs.
2109 * cselib.c (preserve_only_constants): Rename to...
2110 (preserve_constants_and_equivs): ... this. Split out...
2111 (invariant_or_equiv_p): ... this. Preserve plus expressions
2112 of other preserved expressions too.
2113 (cselib_reset_table): Adjust.
2114 * var-tracking.c (reverse_op): Use canonical value to build
2117 2012-02-23 Kai Tietz <ktietz@redhat.com>
2119 * config/i386/i386.c (ix86_delegitimize_address): Handle
2120 UNSPEC_PCREL plus displacement.
2122 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2125 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2126 to test for unusedness in st X addressing.
2128 2012-02-24 Richard Guenther <rguenther@suse.de>
2131 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2132 (is_gimple_reg_type): Move inline ...
2133 * gimple.h (is_gimple_reg_type): ... here.
2135 2012-02-24 Richard Guenther <rguenther@suse.de>
2138 * passes.c (execute_function_todo): When verifying SSA form
2139 verify gimple form first.
2140 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2142 2012-02-24 Richard Guenther <rguenther@suse.de>
2145 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2146 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2148 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2150 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2152 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2154 * tree-phinodes.c (make_phi_node): Mark static.
2155 * tree-flow.h (make_phi_node): Remove extern decl.
2156 * doc/gimple.texi (make_phi_node): Remove documentation.
2158 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2160 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2161 * tree-ssa-sccvn.c (print_scc): Ditto.
2163 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2165 * doc/passes.texi (Full redundancy elimination): Fix typo.
2167 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2169 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2171 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2174 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2176 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2179 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2181 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2183 * config/avr/avr.md (code_stdname): Add ior, xor.
2184 (xior): New code iterator.
2185 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2186 (*<code_stdname><mode>qi.byte1-3): Ditto.
2188 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2190 PR tree-optimization/52019
2191 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2194 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2196 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2197 HAVE_INITFINI_ARRAY to work around namespace pollution in
2198 certain versions of newlib system headers.
2199 * config.in: Regenerate.
2200 * configure: Regenerate.
2201 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2202 instead of HAVE_INITFINI_ARRAY.
2204 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2207 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2208 is not offsettable memory reference.
2210 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2213 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2214 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2216 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2218 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2219 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2221 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2223 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2224 library on Solaris 8 even without TLS support.
2225 * configure: Regenerate.
2227 2012-02-22 Richard Guenther <rguenther@suse.de>
2230 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2231 for GIMPLE_DEBUG stmts.
2233 2012-02-22 Martin Jambor <mjambor@suse.cz>
2236 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2237 according to the base object.
2239 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2241 PR rtl-optimization/50063
2242 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2243 and 2 (8-bit SP) in operand 2.
2244 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2245 setup to use movhi_sp_r instead of vanilla move to write SP.
2246 Adjust REG_CFA notes to superseed unspec.
2247 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2249 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2250 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2251 irq_state 1 (IRQ known to be on) here.
2253 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2255 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2257 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2258 assign_hard_reg): Likewise.
2260 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2262 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2264 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2267 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2268 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2270 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2272 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2273 prototype from here to...
2274 * config/avr/avr.h: ...here.
2276 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2279 * thumb2.md (thumb2_shiftsi3_short): Split register and
2280 immediate shifts. For register shifts tie operands 0 and 1.
2281 (peephole2 for above): Check that register-controlled shifts
2282 have suitably tied operands.
2284 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2287 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2288 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2289 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2290 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2291 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2292 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2293 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2294 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2295 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2296 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2297 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2298 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2299 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2300 bdver1_ssevector_avx256_unaligned_load,
2301 bdver1_ssevector_sse128_unaligned_load,
2302 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2303 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2304 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2305 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2306 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2307 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2308 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2309 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2310 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2311 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2312 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2313 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2314 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2315 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2316 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2317 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2318 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2319 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2320 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2321 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2322 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2323 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2324 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2325 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2326 bdver1_ssediv_double_load, bdver1_ssediv_double,
2327 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2328 Add "bdver2" attribute.
2330 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2332 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2333 default if possible and not specified otherwise.
2335 2012-02-21 Richard Guenther <rguenther@suse.de>
2338 * gimplify.c (create_tmp_from_val): Use the main variant type
2339 for the type of the temporary we create.
2341 2012-02-21 Richard Guenther <rguenther@suse.de>
2343 PR tree-optimization/52324
2344 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2345 do not gimplify a MEM_REF address operand if it is already
2348 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2350 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2351 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2353 2012-02-21 Richard Guenther <rguenther@suse.de>
2355 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2356 nested_in_vect_loop.
2358 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2360 PR tree-optimization/52318
2361 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2362 vdef also to non-pure/const call stmts in the sequence.
2364 2012-02-20 David S. Miller <davem@davemloft.net>
2366 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2367 don't use the "rd %pc" instruction on v9 for PIC register loads.
2369 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2372 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2373 in a transaction safe function.
2375 2012-02-20 Kai Tietz <ktietz@redhat.com>
2378 * stor-layout.c (place_field): Handle desired_align for
2381 2012-02-20 Richard Guenther <rguenther@suse.de>
2383 PR tree-optimization/52298
2384 * tree-vect-stmts.c (vectorizable_store): Properly use
2385 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2387 (vectorizable_load): Likewise.
2388 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2389 Access DR_STEP after ensuring it is not NULL.
2391 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2393 PR tree-optimization/52286
2394 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2395 optimization use double_int_to_tree instead of build_int_cst_wide,
2396 rewrite to use double_int vars.
2398 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2401 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2403 Remove -e 0 from $gcc_cv_ld invocation.
2404 Only use __GLIBC_PREREQ if defined.
2405 Enable on Solaris since Solaris 8 patch.
2406 (gcc_SUN_LD_VERSION): New macro.
2407 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2408 gcc_SUN_LD_VERSION for version number format.
2409 * configure: Regenerate.
2410 * varasm.c (get_elf_initfini_array_priority_section): Set
2411 SECTION_NOTYPE for non-default priority.
2412 Use get_section instead of get_unnamed_section to emit
2413 .init_array/.fini_array with default priority.
2415 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2417 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2418 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2419 (mips_start_unique_function, mips_output_mips16_rdhwr)
2420 (mips_code_end): New functions.
2421 (TARGET_ASM_CODE_END): Define.
2423 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2425 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2426 to stubs with non-sibling calls.
2428 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2430 * doc/invoke.texi (-fira-* options): Copy-edit.
2431 (ira-* parameters): Copy-edit.
2433 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2435 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2436 GCC coding conventions.
2438 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2440 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2441 when used as adjectives.
2443 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2445 * doc/invoke.texi: Clean up "that"/"which" confusion.
2447 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2449 * system.h: Poison SMALL_REGISTER_CLASSES
2450 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2451 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2453 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2455 PR tree-optimization/52285
2456 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2457 when deciding if a call is a tail call or tail recursion.
2459 2012-02-16 Kai Tietz <ktietz@redhat.com>
2461 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2462 interger-constant displacement for UNSPEC_PCREL.
2464 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2466 PR rtl-optimization/52208
2467 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2468 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2470 PR tree-optimization/52255
2471 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2472 loop->header has virtual PHI, but exit_e->dest doesn't, add
2473 virtual PHI to exit_e->dest and adjust all uses after the loop.
2476 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2477 children with clone_tree_hash, not after it.
2479 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2481 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2482 extended identifiers.
2484 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2487 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2488 a same_body_alias, also test whether e->callee isn't a former
2489 or current clone of the decl this is a same body alias of.
2491 PR translation/52264
2492 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2494 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2496 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2498 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2501 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2502 force_reg instead of copy_to_reg for better optimization. Force
2503 non-register or memory operands into a register.
2505 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2507 * extend.texi: Reserve upper bits of memory model for future use.
2509 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2510 Anatoly Sokolov <aesok@post.ru>
2511 Eric Weddington <eric.weddington@atmel.com>
2514 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2515 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2516 Rewrite initializers for .macro.
2517 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2518 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2519 atxmega32d4, atxmega32x1.
2520 avrxmega4: atxmega64a3, atxmega64d3.
2521 avrxmega5: atxmega64a1, atxmega64a1u.
2522 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2523 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2524 avrxmega7: atxmega128a1, atxmega128a1u.
2525 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2526 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2527 (struct base_arch_s): Rename reserved to xmega_p.
2528 Rename reserved2 to have_rampd.
2529 (AVR_XMEGA): New define.
2530 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2531 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2532 * config/avr/predicates.md (io_address_operand): Take into
2534 (low_io_address_operand): Ditto.
2535 (high_io_address_operand): Ditto.
2536 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2537 (enabled, movhi_sp_r): Use them.
2538 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2539 cpp_define_formatted to built-in define __AVR_ARCH__.
2540 (__AVR_XMEGA__): New built-in define.
2541 (__AVR_HAVE_RAMPD__): New built-in define.
2542 (__AVR_HAVE_RAMPX__): New built-in define.
2543 (__AVR_HAVE_RAMPY__): New built-in define.
2544 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2546 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2547 (avr_option_override): Initialize them.
2548 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2549 (avr_init_expanders): Initialize them. No more block several calls.
2550 (emit_push_sfr): New static function.
2551 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2553 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2554 (avr_print_operand): Print addreeses as symbols for
2555 RAMPX, RAMPY, RAMPD, CCP.
2556 (output_movhi): Handle AVR_XMEGA when writing to SP.
2557 (avr_out_movhi_mr_r_xmega): New static function.
2558 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2559 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2560 __RAMPD__, __CCP__ as needed.
2562 * config/avr/multilib.h: Regenerate.
2563 * config/avr/t-multilib: Regenerate.
2564 * config/avr/avr-tables.opt: Regenerate.
2566 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2568 PR tree-optimization/50561
2569 * graphite-flattening.c (lst_project_loop): Do not
2570 remove old scattering dimensions after flattening.
2571 (lst_do_flatten): Likewise.
2573 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2575 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2576 __builtin_avr_map8, __builtin_avr_map16.
2577 Document __builtin_avr_insert_bits.
2579 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2580 (insert_bits): New insn.
2581 (adjust_len.map_bits): Rename to insert_bits.
2582 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2583 * avr-protos.h (avr_out_map_bits): Remove.
2584 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2585 * config/avr/constraints.md (Cxf,C0f): New.
2586 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2587 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2588 New built-in define __BUILTIN_AVR_INSERT_BITS.
2589 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2590 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2591 (avr_move_bits): Rewrite.
2592 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2594 (avr_map_op_t): New typedef.
2595 (avr_map_op): New static variable.
2596 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2597 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2598 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2599 (bdesc_3arg, avr_expand_triop_builtin): New.
2600 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2601 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2602 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2603 (avr_map_equal_p, avr_map_sig_p): Remove.
2604 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2605 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2606 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2607 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2608 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2609 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2611 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2613 * config/c6x/c6x.md (reserve_cycles): New attribute.
2614 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2615 don't reserve functional units after the branch occurs.
2617 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2620 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2621 functions into non-tm_pure functions.
2623 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2626 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2627 (iterative_hash_canonical_type): Likewise.
2628 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2631 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2633 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2634 sched-group insn, it either remains alone or the entire list is pruned.
2636 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2638 * doc/install.texi (Prerequisites): Fix grammar.
2639 (Configuration): Likewise.
2641 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2643 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2644 MPC as part of GCC before describing configuring with --with-gmp etc.
2645 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2646 sources are present.
2648 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2651 * dwarf2out.c (clone_tree_hash): New function.
2652 (copy_decls_walk): Use it instead of clone_tree.
2654 2012-02-14 Richard Guenther <rguenther@suse.de>
2656 PR tree-optimization/52244
2657 PR tree-optimization/51528
2658 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2659 replacements for integral types.
2661 2012-02-14 Walter Lee <walt@tilera.com>
2663 * config.gcc: Handle tilegx and tilepro.
2664 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2666 Add HAVE_AS_TLS check for tilegx and tilepro.
2667 * configure: Regenerate.
2668 * doc/contrib.texi: Add Mat Hostetter and self.
2669 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2670 Document instruction intrinsics and network accessing intrinsics.
2671 (TILEPro Built-in Functions): New node. Document instruction
2672 intrinsics and network accessing intrinsics.
2673 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2674 (Specific, tilepro-*-linux*): Likewise.
2675 * doc/invoke.texi (TILE-Gx Options): New section.
2676 (TILEPro Options): New section.
2677 * doc/md.texi (TILE-Gx): New section.
2678 (TILEPro): New section.
2679 * common/config/tilegx/tilegx-common.c: New file.
2680 * common/config/tilepro/tilepro-common.c: New file.
2681 * config/tilegx/constraints.md: New file.
2682 * config/tilegx/linux.h: New file.
2683 * config/tilegx/mul-tables.c: New file.
2684 * config/tilegx/predicates.md: New file.
2685 * config/tilegx/sync.md: New file.
2686 * config/tilegx/t-tilegx: New file.
2687 * config/tilegx/tilegx-builtins.h: New file.
2688 * config/tilegx/tilegx-c.c: New file.
2689 * config/tilegx/tilegx-generic.md: New file.
2690 * config/tilegx/tilegx-modes.def: New file.
2691 * config/tilegx/tilegx-multiply.h: New file.
2692 * config/tilegx/tilegx-protos.h: New file.
2693 * config/tilegx/tilegx.c: New file.
2694 * config/tilegx/tilegx.h: New file.
2695 * config/tilegx/tilegx.md: New file.
2696 * config/tilegx/tilegx.opt: New file.
2697 * config/tilepro/constraints.md: New file.
2698 * config/tilepro/gen-mul-tables.cc: New file.
2699 * config/tilepro/linux.h: New file.
2700 * config/tilepro/mul-tables.c: New file.
2701 * config/tilepro/predicates.md: New file.
2702 * config/tilepro/t-tilepro: New file.
2703 * config/tilepro/tilepro-builtins.h: New file.
2704 * config/tilepro/tilepro-c.c: New file.
2705 * config/tilepro/tilepro-generic.md: New file.
2706 * config/tilepro/tilepro-modes.def: New file.
2707 * config/tilepro/tilepro-multiply.h: New file.
2708 * config/tilepro/tilepro-protos.h: New file.
2709 * config/tilepro/tilepro.c: New file.
2710 * config/tilepro/tilepro.h: New file.
2711 * config/tilepro/tilepro.md: New file.
2712 * config/tilepro/tilepro.opt: New file.
2714 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2716 PR tree-optimization/52210
2717 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2718 vect_model_simple_cost with two entry vect_def_type array instead
2719 of an address of dt.
2721 2012-02-14 Richard Guenther <rguenther@suse.de>
2724 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2725 Do not stream DECL_QUALIFIER.
2726 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2727 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2728 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2730 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2733 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2736 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2739 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2740 * cselib.c (cselib_subst_to_values_from_insn): New function.
2741 * sched-deps.c (add_insn_mem_dependence,
2742 sched_analyze_1, sched_analyze_2): Use it.
2744 2012-02-13 Jan Hubicka <jh@suse.cz>
2747 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2749 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2751 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2752 (GTM_SELF_SPECS): Define if not already defined.
2753 (driver_self_specs): Add GTM_SELF_SPECS.
2754 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2755 (GTM_SELF_SPECS): Define.
2756 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2757 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2759 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2761 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2764 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2767 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2768 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2770 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2773 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2775 2012-02-13 Richard Guenther <rguenther@suse.de>
2777 PR translation/52211
2778 * passes.c (enable_disable_pass): Fix typo.
2780 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2783 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2784 XOR for reduce_bit_field if type is unsigned.
2786 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2788 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2789 disallow changes from SFmode to mode with different size in FP regs.
2791 2012-02-12 Robert Millan <rmh@gnu.org>
2792 Gerald Pfeifer <gerald@pfeifer.com>
2794 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2797 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2799 PR rtl-optimization/52175
2800 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2801 to frame-related instructions.
2803 2012-02-10 Jason Merrill <jason@redhat.com>
2806 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2807 (demangle_new_symbols): Fill it.
2808 (scan_linker_output): Walk it.
2809 (start_tweaking): Split out from scan_linker_output.
2810 (maybe_tweak): Update sym->chosen.
2811 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2813 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2816 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2818 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2820 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2821 having the same mode as previous compare.
2823 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2825 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2826 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2827 (nonlocal_goto_internal): Likewise.
2828 (nonlocal_goto): Emit a use and an indirect jump directly.
2830 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2833 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2834 __atomic_{is,always}_lock_free.
2836 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2839 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2840 negative constant address for x32.
2842 2012-02-10 Richard Henderson <rth@redhat.com>
2844 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2845 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2846 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2848 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2849 Ira Rosen <irar@il.ibm.com>
2851 PR tree-optimization/50031
2852 * targhooks.c (default_builtin_vectorization_cost): Handle
2854 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2855 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2856 all types of reduction and pattern statements.
2857 (vect_estimate_min_profitable_iters): Likewise.
2858 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2859 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2860 for explicit realigns.
2861 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2862 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2864 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2865 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2866 vec_perm for VSX and handle vec_promote_demote.
2868 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2871 * builtins.c (fold_builtin_atomic_always_lock_free,
2872 expand_builtin_atomic_always_lock_free,
2873 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2874 Return and/or test boolean_true_node/boolean_false_node instead of
2875 integer_one_node/integer_zero_node.
2877 2012-02-10 Jan Hubicka <jh@suse.cz>
2880 * predict.c (predict_paths_for_bb): Prevent looping.
2881 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2883 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2885 * config/arm/arm.c (output_move_double): In one case properly
2886 count number of instructions that will be emitted.
2888 2012-02-10 Richard Guenther <rguenther@suse.de>
2890 PR translation/52193
2891 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2893 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2896 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2898 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2901 * var-tracking.c (emit_note_insn_var_location): If
2902 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2903 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2904 non-NOTE_DURING_CALL_P insn.
2906 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2909 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2911 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2914 * gcc.c (switch_matches) Support switches with separated form,
2917 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2919 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2921 (RAMPZ_ADDR): Ditto.
2922 * config/avr/avr.c (avr_addr_t): New typedef.
2923 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2924 (avr_init_expanders): Initialize it.
2925 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2927 (expand_epilogue): Ditto.
2928 (avr_print_operand): Ditto.
2929 (avr_file_start): Ditto.
2930 (avr_emit_movmemhi): Ditto.
2932 2012-02-08 Richard Guenther <rguenther@suse.de>
2934 PR tree-optimization/46886
2935 * tree-flow.h (do_while_loop_p): Declare.
2936 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2937 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2939 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2941 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2942 always succeed for integers larger than a native word.
2944 2012-02-08 Richard Guenther <rguenther@suse.de>
2946 PR rtl-optimization/52170
2947 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2948 properly handle integer vector modes.
2950 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2952 PR gcov-profile/52150
2953 * coverage.c: Include target.h.
2954 (build_var): Call targetm.strip_name_encoding on the assembler name.
2955 Change one _ into . or $ if the target allows it.
2956 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2958 PR rtl-optimization/52139
2959 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2960 is a BARRIER after emit_insn_after_noloc, move BB_END
2961 to the last non-BARRIER insn before it.
2963 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2966 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2967 (mips_gimplify_va_arg_expr): Call it instead of
2968 std_gimplify_va_arg_expr.
2970 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2972 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2973 message for -mno-pointers-to-nested-function.
2975 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2978 * expr.c (get_inner_reference): If there is an offset, add a negative
2979 bit position to it (if any).
2981 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2983 PR rtl-optimization/52060
2984 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2985 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2986 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2987 and/or i0src_copy2 when needed.
2989 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2991 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2992 or LTOPLUGINSONAME if have_c.
2994 * config/freebsd-spec.h: Add comment about what macros can be defined
2996 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2997 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3000 2012-02-07 Richard Guenther <rguenther@suse.de>
3002 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3003 newline in -alias dumps.
3005 2012-02-07 Kai Tietz <ktietz@redhat.com>
3006 Dave Korn <dave.korn.cygwin@gmail.com>
3009 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3010 Take care that typinfo gets dllexport-attribute.
3012 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3015 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3016 if modifier < EXPAND_SUM call force_operand on the result.
3018 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3020 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3021 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3023 (epiphany_function_type): Replace types for specific interrupts with
3024 EPIPHANY_FUNCTION_INTERRUPT.
3025 (EPIPHANY_INTERRUPT_P): Update.
3026 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3027 New static function.
3028 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3029 <disinterrupt>: Affects type identity.
3030 (epiphany_handle_interrupt_attribute): Handle variable number of
3032 (epiphany_compute_function_type): Update for new
3033 epiphany_function_type definition.
3034 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3035 handlers with a longcall forwarder.
3036 (epiphany_start_function): Handle multiple interrupt arguments and/or
3037 forwarder_section attribute.
3039 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3042 2012-02-07 Alan Modra <amodra@gmail.com>
3045 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3048 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3050 PR tree-optimization/50969
3051 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3052 use vec_perm rather than vector_stmt.
3053 (vect_model_load_cost): Likewise.
3054 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3055 vec_perm to be the same as other vector statements.
3056 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3057 cost of vec_perm for TARGET_VSX.
3059 2012-02-06 Richard Guenther <rguenther@suse.de>
3061 PR tree-optimization/52115
3062 * tree-sra.c (access_has_replacements_p): New function.
3063 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3065 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3068 * trans-mem.c (expand_call_tm): Add an assertion.
3069 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3072 2012-02-06 Richard Guenther <rguenther@suse.de>
3074 PR tree-optimization/50955
3075 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3076 raise cost of expressions that replace an address with an
3077 expression based on a different pointer.
3079 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3082 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3083 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3085 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3088 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3089 -Weffc++ and specify guidelines come from second edition.
3091 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3093 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3094 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3095 (call_direct_split, call_value_split, call_value_internal_direct)
3096 (call_value_direct_split, call_value_multiple_split): Use jal and
3097 jal_macro attributes.
3099 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3101 * reload1.c (reload_regs_reach_end_p): Replace with...
3102 (reload_reg_rtx_reaches_end_p): ...this function.
3103 (new_spill_reg_store): Update commentary.
3104 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3105 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3106 before setting new_spill_reg_store.
3107 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3108 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3109 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3110 for non-spill reload registers.
3112 2012-02-05 Ira Rosen <irar@il.ibm.com>
3114 PR tree-optimization/52091
3115 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3116 (vect_is_simple_use_1): Likewise.
3117 * tree-vect-loop.c (vectorizable_reduction): Update calls
3118 to vect_is_simple_use_1 and vect_is_simple_use.
3119 (vectorizable_live_operation): Likewise.
3120 * tree-vect-patterns.c (widened_name_p,
3121 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3122 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3123 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3124 vectorizable_shift,vectorizable_operation, vectorizable_store,
3125 vectorizable_load): Likewise.
3126 (vect_is_simple_cond): Add an argument, pass it to
3127 vect_is_simple_use_1.
3128 (vectorizable_condition): Update calls to vect_is_simple_cond,
3130 (vect_is_simple_use): Add an argument, the statement in which
3131 OPERAND is used. Check that if OPERAND's def stmt is a double
3132 reduction phi node, the use is a phi node too.
3133 (vect_is_simple_use_1): Add an argument, pass it to
3135 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3136 to vect_is_simple_use.
3138 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3140 PR rtl-optimization/52095
3141 * modulo-sched.c (dump_insn_locator): New function.
3142 (loop_canon_p, sms_schedule): Use it.
3144 PR rtl-optimization/52113
3145 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3146 even for decomposable shift/zext insns.
3148 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3149 Zdenek Dvorak <ook@ucw.cz>
3151 PR rtl-optimization/52092
3152 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3153 on get_iv_value result.
3155 2012-02-02 Andrew Pinski <apinski@cavium.com>
3159 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3161 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3164 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3166 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3168 PR rtl-optimization/49800
3169 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3170 (sched_finish): Call regstat_free_n_sets_and_refs.
3172 2012-02-02 Jia Liu <proljc@gmail.com>
3174 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3177 2012-02-02 Jan Hubicka <jh@suse.cz>
3178 Tom de Vries <tom@codesourcery.com>
3181 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3182 * varpool.c (varpool_analyze_pending_decls): Likewise.
3184 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3185 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3187 * config.gcc: Add cr16-* support.
3189 * doc/extend.texi: Document cr16 extensions.
3190 * doc/install.texi: Document cr16 install.
3191 * doc/invoke.texi: Document cr16 options.
3192 * doc/md.texi: Document cr16 constraints.
3194 * common/config/cr16/cr16-common.c: New file.
3195 * config/cr16/cr16.c: New file.
3196 * config/cr16/cr16.h: New file.
3197 * config/cr16/cr16.md: New file.
3198 * config/cr16/cr16.opt: New file.
3199 * config/cr16/cr16-protos.h: New file.
3200 * config/cr16/predicates.md: New file.
3201 * config/cr16/constraints.md: New file.
3202 * config/cr16/t-cr16: New file.
3204 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3207 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3208 that operands[2] is either immediate, or q_regs_operand.
3210 PR tree-optimization/52073
3211 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3212 a pattern stmt for pattern uses, ignore uses outside of the loop.
3214 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3216 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3217 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3218 (OUT_AS1, OUT_AS2): Remove.
3220 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3222 PR rtl-optimization/51374
3223 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3224 to cross other volatile_refs_p insns.
3226 2012-02-01 Richard Guenther <rguenther@suse.de>
3228 * doc/invoke.texi (fno-inline): Clarify documentation.
3229 (finline-small-functions): Likewise.
3230 (finline-functions): Likewise.
3231 * common.opt (finline): Adjust comment and documentation.
3232 (finline-small-functions): Clarify documentation.
3233 (finline-functions): Likewise.
3234 (finline-functions-called-once): Likewise.
3236 2012-02-01 Tristan Gingold <gingold@adacore.com>
3238 * c-typeck.c (composite_type): Keep mode for pointers.
3240 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3242 * function.h (regno_reg_rtx): Adjust comment.
3243 * reginfo.c (init_reg_modes_target): Only use the previous mode
3244 if it fits within one register. Remove MIPS comment.
3246 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3249 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3251 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3253 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3254 to srak instruction.
3256 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3258 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3260 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3265 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3267 2012-01-31 Richard Guenther <rguenther@suse.de>
3269 PR tree-optimization/51528
3270 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3273 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3278 * ree.c (add_removable_extension): Change def_map argument
3279 to unsigned *, store in def_map 1 + offset into *insn_list vector
3280 instead of pointers into the vector.
3281 (find_removable_extensions): Adjust caller.
3283 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3285 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3286 Transform all "* quoted-c-code" to { c-code }.
3287 Remove redundant test for "optimize" in combine patterns.
3288 Move (include "avr-dimode.md") to end of file.
3290 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3293 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3294 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3296 2012-01-30 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/52028
3299 * tree-loop-distribution.c (ldist_gen): Properly update
3302 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3305 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3306 set_cur_line_info_table if not emitting debug info.
3308 PR tree-optimization/52046
3309 * tree-vect-patterns.c (check_bool_pattern): Give up if
3310 a comparison could throw.
3313 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3315 2012-01-30 Richard Guenther <rguenther@suse.de>
3317 PR tree-optimization/52045
3318 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3319 SSA form if cfgcleanup did anything.
3321 2012-01-30 Richard Guenther <rguenther@suse.de>
3323 PR tree-optimization/52045
3324 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3325 before computing final todo.
3327 2012-01-30 Richard Guenther <rguenther@suse.de>
3329 PR tree-optimization/51528
3330 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3333 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3335 * df-problems.c (df_kill_notes): Check that the use refers
3336 to the note under examination.
3338 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3341 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3342 parameter and use short-lived pseudos.
3343 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3344 (sparc_expand_vector_init): Const-ify local variables and adjust
3345 calls to above functions.
3347 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3349 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3351 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3353 * doc/invoke.texi: Make usage of "compile time" and
3354 "run time"/"runtime" consistent throughout the file.
3356 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3358 * config/alpha/alpha.c (alpha_option_override): Default to
3359 full IEEE compliance mode for Go language.
3361 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3363 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3364 (LINK_SSP_SPEC): Define.
3366 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3369 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3372 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3374 * doc/invoke.texi: Correct hyphenation of "floating point",
3375 "double precision", and related terminology throughout the file.
3377 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3380 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3381 arm_general_register_operand predicate for operand 2 instead of
3384 2012-01-27 Ian Lance Taylor <iant@google.com>
3387 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3388 * builtins.c (expand_builtin_init_trampoline): Add onstack
3389 parameter. Change caller.
3390 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3391 * tree.c (build_common_builtin_nodes): Declare
3392 __builtin_init_heap_trampoline.
3394 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3396 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3397 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3398 * config/avr/avr.c: Ditto.
3399 (avr_regnames): Remove because unused.
3400 * config/avr/avr.md (*cpse.ne): New peephole.
3401 (*cpse.eq): New peephole from former cpse peepholes.
3403 2012-01-27 Michael Eager <eager@eagercon.com>
3405 * config/microblaze.c (microblaze_emit_compare): Correct
3406 test after pcmp instruction.
3408 2012-01-27 Richard Guenther <rguenther@suse.de>
3410 PR tree-optimization/52020
3411 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3413 2012-01-27 Richard Guenther <rguenther@suse.de>
3415 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3416 function non-const/pure.
3418 2012-01-27 Richard Guenther <rguenther@suse.de>
3420 PR tree-optimization/50444
3421 * tree-sra.c (build_ref_for_offset): Properly adjust the
3422 MEM_REF type for unaligned accesses.
3424 2012-01-27 Richard Guenther <rguenther@suse.de>
3426 PR tree-optimization/50444
3427 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3428 (expand_assignment): Use it. Properly handle misaligned
3429 bases when expanding stores to component references.
3430 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3433 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3436 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3437 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3438 * tree-data-ref.c (find_data_references_in_loop): Make static.
3439 (compute_all_dependences): Change return type to bool. Bail out
3440 for too many datarefs in a loop. Move the hunk resetting the data
3441 dependences vector from ...
3442 (compute_data_dependences_for_loop): ... here. Account for
3443 compute_all_dependences returning false.
3444 (compute_data_dependences_for_bb): Likewise.
3445 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3446 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3448 2012-01-27 Richard Guenther <rguenther@suse.de>
3451 * expr.c (store_field): Use the alias-set of the scratch memory
3454 2012-01-27 Tom de Vries <tom@codesourcery.com>
3456 PR tree-optimization/51990
3457 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3459 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3461 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3464 * var-tracking.c (reverse_op): Don't add any reverse operation
3465 if V already has any constant locations.
3467 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3469 * doc/invoke.texi: Correct usage of "command line" (noun)
3470 vs "command-line" (adjective) throughout.
3472 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3474 * doc/invoke.texi (Language Independent Options): Move
3475 -Wcoverage-mismatch blurb from here....
3476 (Warning Options): ...to here.
3478 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3480 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3481 Set rs6000_always_hint to false for 476.
3483 2012-01-27 Matthias Klose <doko@ubuntu.com>
3485 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3487 * incpath.c (add_standard_paths): Likewise.
3489 2012-01-27 Richard Henderson <rth@redhat.com>
3491 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3492 * config/m68k/sync.md (atomic_test_and_set): Rename from
3493 sync_test_and_setqi and adjust the operands.
3494 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3495 and unconditionally enable.
3497 2012-01-27 Richard Henderson <rth@redhat.com>
3499 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3500 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3501 (ldstub): Rename from ldstubqi.
3502 (ldstub<I24MODE>): Remove.
3504 2012-01-27 Richard Henderson <rth@redhat.com>
3506 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3507 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3508 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3509 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3510 * doc/tm.texi: Rebuild.
3512 2012-01-27 Richard Henderson <rth@redhat.com>
3514 * optabs.c (gen_atomic_test_and_set): Remove default.
3515 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3517 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3519 PR rtl-optimization/51978
3520 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3521 (combine_reaching_defs): Likewise.
3522 (struct re_info): Remove.
3523 (add_removable_extension): Remove x and data arguments,
3524 add insn, insn_list and def_map. Use the arguments directly
3525 instead of using struct re_info.
3526 (find_removable_extensions): Don't call add_removable_extension
3527 through note_stores, instead just call it with single_set
3529 (find_and_remove_re): Pass curr_cand->expr instead of
3530 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3532 2012-01-26 Michael Matz <matz@suse.de>
3534 PR tree-optimization/46590
3535 * cfgexpand.c: Revert last change (r183305).
3536 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3538 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3539 checking for emptiness.
3541 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3544 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3545 non-addressable non-BLKmode base correctly.
3547 2012-01-26 Michael Matz <matz@suse.de>
3549 PR tree-optimization/48794
3550 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3551 regions referenced from RESX/EH_DISPATCH.
3553 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3555 * config/s390/s390.h: Make BRANCH_COST an option.
3556 * config/s390/s390.opt: New option -mbranch-cost.
3558 2012-01-26 Richard Henderson <rth@redhat.com>
3560 Revert 2012-01-24 change:
3561 * trans-mem.c (requires_barrier): Do not instrument thread local
3562 variables and emit save/restore for them.
3564 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3567 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3570 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3572 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3575 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3578 Rename __pgm to __flash.
3579 Rename __pgm1 to __flash1.
3580 Rename __pgm2 to __flash2.
3581 Rename __pgm3 to __flash3.
3582 Rename __pgm4 to __flash4.
3583 Rename __pgm5 to __flash5.
3584 Rename __pgmx to __memx.
3585 * doc/extend.texi (AVR Named Address Spaces)
3586 Rename address space names as indicated above.
3587 * config/avr/avr.c (avr_addrspace): Ditto.
3589 * config/avr/avr-protos.h
3590 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3591 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3592 * config/avr/predicates.md: Ditto.
3593 * config/avr/avr.c Ditto, and
3594 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3595 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3597 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3598 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3599 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3600 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3601 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3602 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3603 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3604 * config/avr/avr.c: Ditto.
3605 * config/avr/avr.md: Ditto.
3607 2012-01-25 Jason Merrill <jason@redhat.com>
3610 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3612 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3614 PR tree-optimization/51987
3615 * tree-data-ref.c (get_references_in_stmt): Handle references in
3616 non-volatile GIMPLE_ASM.
3618 2012-01-25 Richard Guenther <rguenther@suse.de>
3620 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3621 bases are dereferenced.
3623 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3625 PR rtl-optimization/48374
3626 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3628 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3630 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3631 compute_data_dependences_for_loop returns false.
3632 * tree-parloops.c (loop_parallel_p): Likewise.
3634 2012-01-25 Richard Guenther <rguenther@suse.de>
3636 * tree.h (get_pointer_alignment_1): Declare.
3637 * builtins.c (get_pointer_alignment_1): New function.
3638 (get_pointer_alignment): Use it.
3640 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3642 PR rtl-optimization/48308
3643 * combine.c (enum undo_kind): Add UNDO_LINKS.
3644 (struct undo): Add member l to other_contents and where.
3645 (do_SUBST_LINK): New.
3647 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3648 (undo_all): Handle UNDO_LINKS.
3650 2012-01-25 Richard Henderson <rth@redhat.com>
3652 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3655 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3657 * optabs.c (gen_atomic_test_and_set): Use each argument.
3659 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3661 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3662 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3663 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3664 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3665 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3666 TARGET_PAIRED_SINGLE_FLOAT.
3668 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3670 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3671 (in_struct, return_val): Remove MEM documentation.
3672 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3673 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3674 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3676 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3677 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3678 * expr.c (store_field): Likewise.
3679 * function.c (assign_stack_temp_for_type): Likewise.
3680 * ifcvt.c (noce_try_cmove_arith): Likewise.
3681 * reload1.c (reload): Likewise.
3682 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3683 (alpha_set_memflags): Likewise.
3684 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3686 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3688 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3690 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3691 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3692 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3694 * cselib.c (cselib_rtx_varies_p): Delete.
3695 (cselib_invalidate_mem): Update call to canon_true_dependence.
3696 * dse.c (record_store, check_mem_read_rtx): Likewise.
3697 (scan_reads_nospill): Likewise.
3698 * cse.c (check_dependence): Likewise.
3699 (cse_rtx_varies_p): Delete.
3700 * expr.c (safe_from_p): Update call to true_dependence.
3701 * ira.c (validate_equiv_mem_from_store): Likewise.
3702 (memref_referenced_p): Likewise.
3703 * postreload-gcse.c (find_mem_conflicts): Likewise.
3704 * sched-deps.c (sched_analyze_2): Likewise.
3705 * store-motion.c (load_kills_store): Likewise.
3706 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3707 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3708 (compute_transp): Update call to canon_true_dependence.
3710 2012-01-25 Richard Henderson <rth@redhat.com>
3712 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3713 (maybe_emit_atomic_test_and_set): New.
3714 (expand_sync_lock_test_and_set): Use it.
3715 (expand_atomic_test_and_set): Likewise.
3716 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3717 the implementation; clarify implementation defined details.
3718 * doc/md.texi (atomic_test_and_set): Document.
3720 2012-01-25 Richard Henderson <rth@redhat.com>
3722 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3724 2012-01-25 Richard Henderson <rth@redhat.com>
3727 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3728 to effect no-op split.
3730 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3733 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3734 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3735 (BT_FN_VOID_PTR_INT_SIZE): New.
3736 (BT_FN_UINT_UINT_VAR): Remove.
3737 (BT_FN_UINT32_UINT32_VAR): New.
3738 (BT_FN_DOUBLE_VPTR): Remove.
3739 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3741 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3742 (_ITM_changeTransactionMode): Same.
3743 (_ITM_memmoveRtWt): Change return type to void.
3744 (_ITM_memcpyRtWt): Same.
3745 (_ITM_memsetW): Same.
3746 (_ITM_RaRD): Change types to double.
3751 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3753 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3754 Patrick Marlier <patrick.marlier@gmail.com>
3756 * trans-mem.c (requires_barrier): Do not instrument thread local
3757 variables and emit save/restore for them.
3759 2012-01-24 Jason Merrill <jason@redhat.com>
3762 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3763 output static aliases.
3765 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3768 * common.opt (-pie, -shared, pie, shared): Change from Common to
3770 * gcc.c (display_help): Display help for -pie and -shared.
3772 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3775 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3776 Remove note on size/offset limitation.
3777 (AVR Variable Attributes): Add example how to read data located
3778 with progmem. Refer to named address spaces.
3779 * doc/invoke.texi (AVR Options): Fix typo.
3781 2012-01-24 Richard Guenther <rguenther@suse.de>
3783 Forward-port to trunk
3784 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3787 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3788 op0 isn't sufficiently aligned and there is movmisalignM
3789 insn for mode, use it to load op0 into a temporary register.
3791 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3794 * target.def (const_not_ok_for_debug_p): New hook.
3795 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3797 * doc/tm.texi: Regenerated.
3798 * dwarf2out.c (const_ok_for_output_1): If
3799 targetm.const_not_ok_for_debug_p returns true, fail.
3800 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3802 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3804 2012-01-23 Kai Tietz <ktietz@redhat.com>
3807 * config/i386/predicates.md (symbolic_operand): Allow
3808 UNSPEC_PCREL as PIC expression for lea.
3809 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3810 * config/i386/i386.c (ix86_delegitimize_address): Handle
3811 UNSPEC_PCREL for none-MEM, too.
3813 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3815 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3816 (ipa_tm_create_version_alias): Same.
3818 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3821 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3822 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3824 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3825 Patrick Marlier <patrick.marlier@gmail.com>
3826 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3829 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3830 simple_object_start_read.
3832 2012-01-23 Richard Guenther <rguenther@suse.de>
3835 PR tree-optimization/51895
3836 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3837 parameter decomposition into BLKmode components.
3839 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3841 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3842 fake variables for restrict-qualified pointers whose pointed-to type
3843 contains a placeholder.
3845 2012-01-23 Richard Guenther <rguenther@suse.de>
3847 PR tree-optimization/51949
3848 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3850 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3852 PR rtl-optimization/51933
3853 * ree.c (transform_ifelse): Return true right away if dstreg is
3854 already wider or equal to cand->mode.
3855 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3856 (make_defs_and_copies_lists): Remove defs_list and copies_list
3857 arguments, add state argument, just truncate state->work_list
3858 instead of always allocating and freeing the vector. Assert that
3859 get_defs succeeds instead of returning 2. Changed return type to bool.
3860 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3861 have ext_src_mode, see if it has been modified already with the
3862 right kind of extension and has been extended before from the
3863 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3864 just return true. Remember the original mode in state->modified array.
3865 (combine_reaching_defs): Add state argument. Don't allocate and
3866 free here def_list, copied_list and vec vectors, instead just
3867 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3868 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3869 Add state variable, clear vectors in it, initialize state.modified
3870 if needed. Free all the vectors at the end and state.modified too.
3871 Don't skip a candidate if the extension expression has been modified.
3873 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3876 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3877 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3878 (extra_options) interix.opt -> i386/interix.opt"
3879 (extra_objs):Add winnt-stubs.o
3880 * configure.ac: Add interix to target_os .comm on PE check.
3881 * configure: Regenerate.
3882 * config/interix3.h: Delete and move bits to..
3883 * config/interix.h: Delete and move bits to..
3884 * config/i386/i386-interix3.h: Delete and move bits to..
3885 * config/i386/i386-interix.h: ..here.
3886 (TARGET_CPU_DEFAULT): Remove redefinition.
3887 (TARGET_ASM_CONSTRUCTOR): Undefine.
3888 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3889 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3890 (PTRDIFF_TYPE): Define.
3891 (LONG_DOUBLE_TYPE_SIZE): Define.
3892 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3893 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3894 (TARGET_SECTION_TYPE_FLAGS): Define.
3895 (ASM_DECLARE_FUNCTION_NAME): Define.
3896 (ASM_OUTPUT_EXTERNAL): Define.
3897 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3898 (ASM_OUTPUT_ALIGNED_BSS): Define.
3899 (PCC_BITFIELD_TYPE_MATTERS): Define.
3900 (USE_CONST_SECTION): Define.
3901 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3902 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3903 (SUPPORTS_ONE_ONLY): Remove.
3904 (I386_PE_STRIP_ENCODING): Define.
3905 * config/interix.opt: Delete and move bits to..
3906 * config/i386/interix.opt: ..here. New.
3907 (mpe-aligned-commons): Add.
3908 * config/i386/t-interix: Add copyright header.
3909 (winnt-stubs.o): Add rule.
3911 2012-01-22 Jason Merrill <jason@redhat.com>
3914 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3915 for extra name aliases.
3917 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3919 PR rtl-optimization/51924
3920 * ree.c (combine_set_extension): Improve debugging message.
3921 (combine_reaching_defs): Likewise.
3922 (get_defs): Rename confusingly named variable.
3923 (find_and_remove_re): Skip a candidate if the extension expression has
3926 2012-01-21 Robert Millan <rmh@gnu.org>
3927 Gerald Pfeifer <gerald@pfeifer.com>
3929 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3930 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3932 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3934 PR tree-optimization/51914
3935 * tree-vect-stmts.c (vectorizable_conversion): For
3936 cvt_type && modifier == WIDEN, put temporary with cvt_type
3937 at the beginning of vec_dsts and set vec_dest to temporary
3940 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3942 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3944 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3946 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3947 * config/rs6000/rs6000.c: Likewise.
3949 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3952 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3953 output_move_double on a copy of operands array.
3955 2012-01-20 Cary Coutant <ccoutant@google.com>
3956 Dodji Seketeli <dodji@redhat.com>
3959 * dwarf2out.c (copy_declaration_context): Return ref to parent
3960 of declaration DIE, if necessary.
3961 (remove_child_or_replace_with_skeleton): Add new parameter; update
3962 caller. Place skeleton DIE under parent DIE of original declaration.
3963 Move call to copy_declaration_context to here ...
3964 (break_out_comdat_types): ... from here.
3966 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3968 PR rtl-optimization/51856
3969 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3972 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3975 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3976 hints for neon loads and stores.
3978 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3982 * doc/extend.texi (Named Address Spaces): Split into subsections.
3983 (AVR Named Address Spaces): New subsection.
3984 (M32C Named Address Spaces): New subsection.
3985 (RL78 Named Address Spaces): New subsection.
3986 (SPU Named Address Spaces): New subsection.
3987 (Variable Attributes): New anchor "AVR Variable Attributes".
3988 (AVR Variable Attributes): Rewrite and avoid wording
3989 "address space" in this context.
3990 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3991 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3992 (AVR Built-in Macros): New subsubsection therein.
3993 * doc/md.texi (AVR constraints): Remove "C04", "R".
3995 2012-01-20 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/51903
3998 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3999 when removing stmts.
4001 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4004 * config/arm/arm.c (arm_load_pic_register): Use
4005 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4006 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4007 (arm_pic_static_addr): Likewise.
4008 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4009 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4010 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4011 (pic_load_addr_unified): New.
4013 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4016 * function.c (instantiate_virtual_regs_in_insn): Use
4017 delete_insn_and_edges when removing a wrong asm insn.
4019 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4021 PR rtl-optimization/40761
4022 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4023 Add new member loop_num.
4024 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4025 (ira_build): Remove the parameter.
4027 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4028 (ira.c): Do not build CFG loops for one region allocation. Remove
4029 argument from ira_build call.
4031 * ira-build.c (init_loop_tree_node): New function.
4032 (create_loop_tree_nodes): Use it. Separate the case when CFG
4033 loops are not built.
4034 (more_one_region_p): Check current_loops.
4035 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4037 (add_loop_to_tree): Process loop equal to NULL too.
4038 (form_loop_tree): Separate the case when CFG loops are not built.
4039 Use explicitly number for the root.
4040 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4042 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4043 instead of loop->num.
4044 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4045 (mark_all_loops_for_removal): Ditto.
4046 (remove_unnecessary_regions): Separate the case when CFG loops
4048 (ira_build): Remove the parameter. Use explicit number of regions
4049 when CFG loops are not built.
4051 * ira-color.c (print_loop_title): Separate the case for the root node.
4052 Use loop_num instead of loop->num.
4053 (move_spill_restore): Use loop_num instead of loop->num.
4055 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4056 (change_loop): Ditto.
4057 (change_loop): Use loop_num instead of loop->num.
4059 * ira-lives.c (process_bb_node_lives): Ditto.
4061 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4063 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4065 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4068 * tree-mudflap.c (mf_artificial): New function.
4069 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4070 mx_register_decls, mudflap_enqueue_decl): Use it.
4073 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4074 numbers in the insn pattern.
4076 2012-01-19 Michael Matz <matz@suse.de>
4078 PR tree-optimization/46590
4079 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4080 use it in remembering which conflicts we already created.
4081 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4084 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4087 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4088 (merge_and_complain): Same.
4090 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4093 * config/initfini-array.h: Guard content of the header
4094 with #ifdef HAVE_INITFINI_ARRAY.
4095 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4096 Add initfini-array.h to tm_file here.
4097 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4098 * config.gcc: Don't add initfini-array.h to tm_file here.
4099 * configure: Regenerated.
4101 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4103 PR rtl-optimization/51505
4104 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4105 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4106 (df_note_bb_compute): Update the call to df_kill_notes.
4108 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4110 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4112 2012-01-18 Richard Guenther <rguenther@suse.de>
4114 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4115 of conversions to void *.
4117 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4118 Richard Sandiford <rdsandiford@googlemail.com>
4122 * optabs.h (simplify_expand_binop): Declare.
4123 * optabs.c (simplify_expand_binop): Make global.
4124 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4125 endian targets if the source cannot be exactly covered by word
4128 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4131 * hard-reg-set.h (struct hard_reg_set_container): New type.
4132 * target.h (struct hard_reg_set_container): Forward declare.
4133 * target.def (set_up_by_prologue): New target hook.
4134 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4135 * doc/tm.texi: Regenerated.
4136 * function.c (thread_prologue_and_epilogue_insns): Change
4137 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4138 Call targetm.set_up_by_prologue on it.
4139 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4140 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4142 2012-01-17 Nick Clifton <nickc@redhat.com>
4144 * config/rx/rx.c (rx_can_use_simple_return): New function.
4145 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4146 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4148 2012-01-17 Richard Guenther <rguenther@suse.de>
4151 * expr.c (expand_assignment): Take address-space information
4152 from the address operand of MEM_REF and TARGET_MEM_REF.
4153 (expand_expr_real_1): Likewise.
4155 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4157 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4158 reload dump is requested.
4160 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4163 * trans-mem.c (requires_barrier): Call may_be_aliased.
4165 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4167 PR tree-optimization/51877
4168 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4169 call arguments and fndecls compare equal, instead return false if they
4170 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4171 both SSA_NAMEs that are valueized the same, or they satisfy
4174 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4176 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4178 * configure: Regenerate.
4180 2012-01-16 Jan Hubicka <jh@suse.cz>
4184 * convert.c (convert_to_integer): Use fold_convert for
4185 converting an INTEGER_CST to integer type.
4187 2012-01-16 Jason Merrill <jason@redhat.com>
4190 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4192 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4195 * config/s390/s390.c (s390_chunkify_start): Don't skip
4196 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4197 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4198 If insn is followed by NOTE_INSN_VAR_LOCATION or
4199 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4200 Don't use location of note insns.
4202 PR tree-optimization/51865
4203 * tree-inline.c (tree_function_versioning): Call remap_decl
4204 on DECL_RESULT whenever it has VOID_TYPE_P type.
4206 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4208 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4209 for calls to locally-binding MIPS16 functions if only the return
4210 type uses float regs.
4212 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4213 Richard Sandiford <rdsandiford@googlemail.com>
4215 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4216 (SYMBOL_32_HIGH): Likewise.
4217 (mips_output_tls_reloc_directive): Declare.
4218 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4219 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4220 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4221 (mips_lo_relocs, mips_hi_relocs): Make extern.
4222 (mips16_stub_function): Move up file.
4223 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4224 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4225 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4226 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4227 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4228 (mips_get_tp): Add MIPS16 support.
4229 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4230 Generalize DTPREL and TPREL handling.
4231 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4232 Add MIPS16 TLS support.
4233 (mips_output_tls_reloc_directive): New function.
4234 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4235 * config/mips/predicates.md (symbolic_operand_with_high)
4236 (tls_reloc_operand): New predicates.
4237 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4238 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4239 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4240 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4241 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4242 (*tls_get_tp_mips16_call_<mode>): Likewise.
4244 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4246 PR rtl-optimization/51821
4247 * recog.c (peep2_find_free_register): Determine clobbered registers
4250 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4253 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4254 * config/avr/avr.c: Likewise.
4255 * config/avr/avr.h: Likewise.
4257 2012-01-13 Ian Lance Taylor <iant@google.com>
4260 * tree.h (TYPE_QUALS): Add cast to int.
4261 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4263 2012-01-13 Ian Lance Taylor <iant@google.com>
4265 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4266 comparing param_index to VEC_length result.
4268 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4270 * c-decl.c: Do not include tree-mudflap.h
4271 * tree-optimize.c: Likewise.
4272 * Makefile.in: Update dependencies.
4274 2012-01-13 Richard Guenther <rguenther@suse.de>
4277 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4278 variable-sized result always use RSO.
4280 2012-01-12 DJ Delorie <dj@redhat.com>
4282 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4283 pointer type, not just the default pointer type.
4285 2012-01-09 Richard Henderson <rth@redhat.com>
4286 Denis Chertykov <chertykov@gmail.com>
4289 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4290 * config/avr/avr.c (avr_can_eliminate): Simplify.
4291 (avr_initial_elimination_offset): Likewise.
4292 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4293 (expand_epilogue): Likewise.
4294 (avr_legitimize_address): Gut.
4295 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4296 (avr_hard_regno_nregs): New.
4297 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4298 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4299 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4300 add soft frame pointer.
4301 (CALL_USED_REGISTERS): Likewise.
4302 (REG_CLASS_CONTENTS): Likewise.
4303 (REGISTER_NAMES): Likewise.
4304 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4305 (HARD_FRAME_POINTER_REGNUM): New.
4306 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4307 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4308 remove the HARD_FRAME_POINTER self-elimination.
4310 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4313 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4314 DECL_EXTERNAL when checking for initializers of progmem variables.
4316 2012-01-12 Ira Rosen <irar@il.ibm.com>
4318 PR tree-optimization/51799
4319 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4320 that the last operation is a type demotion.
4322 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4324 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4325 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4327 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4330 * combine.c (distribute_notes): If i3 is a noreturn call,
4331 allow old_size to be equal to args_size and make sure the
4332 noreturn call gets REG_ARGS_SIZE note.
4333 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4334 on noreturn calls even when the delta is 0.
4336 2012-01-11 Nathan Sidwell <nathan@acm.org>
4338 * gcov.c (STRING_SIZE): Remove.
4339 (generate_results): Erase annotations for source files with no
4340 coverage information.
4342 (output_lines): Use it.
4344 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4346 * gimple.h (gimplify_body): Remove first argument.
4347 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4348 pointer set here, instead just pass DATA to walk_tree.
4349 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4350 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4351 (unvisit_body): Likewise, but with unmark_visited.
4352 (gimplify_body): Remove BODY_P argument and adjust.
4353 (gimplify_function_tree): Adjust call to gimplify_body.
4354 * omp-low.c (finalize_task_copyfn): Likewise.
4356 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4358 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4359 (build_function_type_skip_args): Delete.
4360 * tree.c (build_function_type_skip_args): Make static and add
4361 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4362 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4363 pass it to build_function_type_skip_args.
4364 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4365 (tree_function_versioning): Likewise.
4366 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4367 build_function_decl_skip_args.
4368 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4369 and pass it to build_function_decl_skip_args/tree_function_versioning.
4370 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4371 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4372 * trans-mem.c (ipa_tm_create_version): Likewise.
4373 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4374 * tree-inline.c (declare_return_variable): Remove always-true test.
4375 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4376 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4377 * ipa-split.c (split_function): Skip the return value for the split
4378 part if it doesn't return.
4380 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4382 PR tree-optimization/49642
4383 * ipa-split.c (forbidden_dominators): New variable.
4384 (check_forbidden_calls): New function.
4385 (dominated_by_forbidden): Likewise.
4386 (consider_split): Check for forbidden dominators.
4387 (execute_split_functions): Initialize and free forbidden
4388 dominators info; call check_forbidden_calls.
4390 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4392 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4394 2012-01-11 Nick Clifton <nickc@redhat.com>
4396 * config/rx/rx.md (return): Define pattern.
4398 2012-01-11 Richard Guenther <rguenther@suse.de>
4400 * doc/extend.texi (malloc attribute): Adjust according to
4403 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4404 Patrick Marlier <patrick.marlier@gmail.com>
4407 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4408 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4409 (ipa_tm_note_irrevocable): Same.
4410 (ipa_tm_scan_irr_block): Same.
4411 (ipa_tm_decrement_clone_counts): Same.
4412 (ipa_tm_scan_irr_function): Same.
4413 (ipa_tm_create_version_alias): Same.
4414 (ipa_tm_create_version): Same.
4415 (ipa_tm_transform_calls_redirect): Same.
4416 (ipa_tm_transform_calls): Same.
4417 (ipa_tm_transform_transaction): Same.
4418 (ipa_tm_execute): Same.
4420 2012-01-10 Richard Guenther <rguenther@suse.de>
4423 * opts.c (common_handle_option): Handle -Werror.
4425 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4427 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4430 2012-01-10 Jason Merrill <jason@redhat.com>
4432 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4435 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4437 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4438 supports R_386_TLS_GD_PLT reloc.
4439 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4440 supports R_386_TLS_LDM_PLT reloc.
4441 * configure: Regenerate.
4442 * config.in: Regenerate.
4444 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4447 Extend __pgmx semantics to linearize memory.
4448 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4449 determine if code comes inline or from libgcc.
4450 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4451 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4452 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4453 (movmemx_qi, movmemx_hi): New insns.
4454 (xload_<mode>_libgcc): Rewrite to new insn condition.
4455 (xload_<mode>): Remove insns.
4456 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4457 cases that don't satisfy avr_xload_libgcc_p().
4458 (avr_addr_space_convert): Allow converting in any direction.
4459 (avr_addr_space_subset_p): Return always true.
4460 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4461 (avr_emit_movmemhi): Ditto.
4462 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4463 (avr_out_movmem): Ditto.
4464 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4465 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4466 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4467 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4468 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4470 2012-01-10 Richard Guenther <rguenther@suse.de>
4472 PR tree-optimization/50913
4473 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4474 Require data-refs to be representable by Graphite with respect
4477 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4479 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4480 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4482 2012-01-10 Tom de Vries <tom@codesourcery.com>
4484 PR rtl-optimization/51271
4485 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4486 handling annulled branch.
4488 2012-01-10 Richard Henderson <rth@redhat.com>
4490 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4491 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4492 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4493 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4494 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4495 arm_expand_vec_perm_const): New.
4496 * config/arm/arm-protos.h: Update.
4497 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4498 (*neon_vswp<VDQX>): New.
4499 (neon_vcombine<VDX>): Use neon_split_vcombine.
4500 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4501 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4502 (vec_perm<VE>): New.
4504 2012-01-10 Richard Henderson <rth@redhat.com>
4506 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4507 use it if reload_completed.
4508 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4509 arm_output_asm_insn, arm_process_output_memory_barrier,
4510 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4511 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4512 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4513 arm_process_output_sync_insn, arm_output_sync_insn,
4514 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4515 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4516 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4517 (emit_unlikely_jump): New.
4518 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4519 (arm_split_atomic_op): New.
4520 * config/arm/arm-protos.h: Update.
4521 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4522 (struct arm_sync_generator): Remove.
4523 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4524 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4525 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4526 (VUNSPEC_LL, VUNSPEC_SC): New.
4527 (sync_result, sync_memory, sync_required_value, sync_new_value,
4528 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4529 (attr length): Don't use arm_sync_loop_insns.
4530 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4531 (movsfcc, movdfcc): Likewise.
4532 * config/arm/constraints.md (Ua): New.
4533 * config/arm/prediates.md (mem_noofs_operand): New.
4534 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4535 (sync_clobber, sync_t2_reqd): Remove.
4536 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4537 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4538 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4539 (arm_sync_compare_and_swap<SIDI>): Remove.
4540 (arm_sync_compare_and_swap<NARROW>): Remove.
4541 (arm_sync_lock_test_and_set<SIDI>): Remove.
4542 (arm_sync_lock_test_and_set<NARROW>): Remove.
4543 (arm_sync_new_<syncop><SIDI>): Remove.
4544 (arm_sync_new_<syncop><NARROW>): Remove.
4545 (arm_sync_new_nand<SIDI>): Remove.
4546 (arm_sync_new_nand<NARROW>): Remove.
4547 (arm_sync_old_<syncop><SIDI>): Remove.
4548 (arm_sync_old_<syncop><NARROW>): Remove.
4549 (arm_sync_old_nand<SIDI>): Remove.
4550 (arm_sync_old_nand<NARROW>): Remove.
4551 (*memory_barrier): Merge arm_output_memory_barrier.
4552 (atomic_compare_and_swap<QHSD>): New.
4553 (atomic_compare_and_swap<NARROW>_1): New.
4554 (atomic_compare_and_swap<SIDI>_1): New.
4555 (atomic_exchange<QHSD>): New.
4556 (cas_cmp_operand, cas_cmp_str): New.
4557 (atomic_op_operand, atomic_op_str): New.
4558 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4559 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4560 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4561 (arm_load_exclusive<NARROW>): New.
4562 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4563 (arm_store_exclusive<QHSD>): New.
4565 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4567 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4568 reload patterns if -mvsx-scalar-memory.
4570 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4571 generated, even -mno-vsx-scalar-double was used.
4572 (vsx_xscvdpsp_scalar): Likewise.
4573 (vsx_xscvspdp_scalar2): Likewise.
4575 2012-01-09 Tom de Vries <tom@codesourcery.com>
4576 Andrew Pinski <apinski@cavium.com>
4579 * reorg.c (fill_slots_from_thread): Don't speculate
4580 frame-related insns.
4582 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4584 * sched-int.h (bb_note): Move to...
4585 * basic-block.h: ...here.
4586 * haifa-sched.c (bb_note): Move to...
4587 * cfgrtl.c: ...here.
4588 * function.c (next_block_for_reg): New function.
4589 (move_insn_for_shrink_wrap): Likewise.
4590 (prepare_shrink_wrap): Rewrite to use the above.
4592 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4594 * gimple.c (is_gimple_non_addressable): Remove.
4595 * gimple.h: Remove is_gimple_non_addressable.
4596 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4597 is_gimple_non_addressable.
4598 * trans-mem.c (expand_assign_tm): Same.
4600 2012-01-09 Richard Guenther <rguenther@suse.de>
4602 PR tree-optimization/51775
4603 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4604 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4606 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4608 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4610 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4612 2012-01-09 Richard Guenther <rguenther@suse.de>
4614 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4616 2012-01-08 Jan Hubicka <jh@suse.cz>
4618 PR tree-optimize/51680
4619 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4620 on when known_vals needs to be computed; cleanup.
4622 2012-01-08 Jan Hubicka <jh@suse.cz>
4624 PR tree-optimize/51694
4625 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4627 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4629 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4630 for -std=c++98 and -std=c++11 too.
4632 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4634 * cfgloop.c (cancel_loop): Add free() of bbs array.
4636 2012-01-07 Jan Hubicka <jh@suse.cz>
4638 PR tree-optimization/51600
4639 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4640 that benefits small functions.
4642 2012-01-07 Jan Hubicka <jh@suse.cz>
4644 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4646 2012-01-07 Jan Hubicka <jh@suse.cz>
4648 PR tree-optimization/51680
4649 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4650 whose inlining reduce unit size.
4652 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4655 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4656 Add canonical node to containing_mem chain after the non-canonical
4657 one, even if there weren't any locs to propagate.
4658 (remove_useless_values): Keep only canonical values.
4659 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4660 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4661 canonicalize mem_chain elements that are not discarded.
4663 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4666 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4667 before emitting functions.
4669 PR gcov-profile/50127
4670 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4671 clear_aux_for_blocks.
4673 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4676 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4678 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4680 * c-decl.c (ext_block): Moved up.
4681 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4683 2012-01-06 Han Shen <shenhan@google.com>
4685 Translate built-in include paths for sysroot.
4686 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4687 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4689 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4690 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4692 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4693 control whether sysroot should be prepended to gxx include dir.
4695 * configure: Regenerate.
4697 2012-01-06 Torvald Riegel <triegel@redhat.com>
4699 PR rtl-optimization/51771
4700 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4701 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4703 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4705 PR tree-optimization/51315
4706 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4707 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4709 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4712 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4713 for shrp pattern. Correctly handle and fixup shift variable.
4714 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4716 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4719 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4720 note when !ACCUMULATE_OUTGOING_ARGS.
4722 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4724 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4726 (extract_range_from_unary_expr_1): Avoid useless computations.
4728 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4730 PR rtl-optimization/51767
4731 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4732 of jump_block and add an extra edge for degenerated asm gotos.
4735 * stmt.c (check_unique_operand_names): Don't ICE during error
4736 reporting if i is from labels chain.
4739 * profile.c (branch_prob): Split bbs that have exit edge
4740 and need a fake entry edge too.
4742 2012-01-05 Jan Hubicka <jh@suse.cz>
4745 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4748 2012-01-05 Richard Guenther <rguenther@suse.de>
4751 * tree-streamer-out.c (write_ts_optimization): New function.
4752 (streamer_write_tree_body): Call it.
4753 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4754 (streamer_read_tree_body): Call it.
4755 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4757 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4760 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4761 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4762 in_cleanup_point_expr before gimplify_stmt call and restore it
4764 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4765 in_cleanup_point_expr is false.
4767 2012-01-05 Richard Guenther <rguenther@suse.de>
4770 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4772 * toplev.c (process_options): Reject combining mudflap and LTO.
4773 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4775 2012-01-05 Richard Guenther <rguenther@suse.de>
4777 PR tree-optimization/51760
4778 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4780 (bit_value_unop): Handle UNDEFINED operands.
4781 (bit_value_binop): Likewise.
4783 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4785 * config/avr/avr.c (avr_replace_prefix): Remove.
4786 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4787 (avr_asm_function_rodata_section): Ditto.
4788 (avr_asm_select_section): Ditto.
4790 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4792 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4795 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4798 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4799 calls that have any non-fake successor edges.
4802 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4804 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4806 PR tree-optimization/51624
4807 * tree-sra.c (build_ref_for_model): When replicating a chain of
4808 COMPONENT_REFs, stop as soon as the offset would become negative.
4810 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4813 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4814 in .debug_loc on the floor.
4816 2012-01-04 Andrew Pinski <apinski@cavium.com>
4818 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4820 2012-01-04 Andrew Pinski <apinski@cavium.com>
4821 Adam Nemet <anemet@caviumnetworks.com>
4823 * config/mips/mips.md (size): Add SI and DI.
4824 (SIZE): New mode attribute.
4825 (U): New code attribute.
4826 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4827 (mips_lbux_<mode>): Delete.
4828 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4829 (mips_lhx): Use gen_mips_lhx_extsi.
4830 (mips_lhx_<mode>): Delete.
4832 (mips_l<size>x): New expand.
4833 (mips_lwx_<mode>): Delete.
4834 (mips_l<GPR:size>x_<P:mode>): New pattern.
4835 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4836 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4837 * config/mips/mips.c (mips_lx_address_p): New function.
4838 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4839 (dsp64): New availability predicate.
4840 (mips_builtins): Add an entry for __builtin_mips_ldx.
4841 * config/mips/mips.h (ISA_HAS_LBX): New define.
4842 (ISA_HAS_LBUX): Likewise.
4843 (ISA_HAS_LHX): Likewise.
4844 (ISA_HAS_LHUX): Likewise.
4845 (ISA_HAS_LWX): Likewise.
4846 (ISA_HAS_LWUX): Likewise.
4847 (ISA_HAS_LDX): Likewise.
4848 * doc/extend.texi (__builtin_mips_ldx): Document.
4850 2012-01-04 Tristan Gingold <gingold@adacore.com>
4852 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4853 when long pointers are used.
4854 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4855 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4856 (ia64-hp-*vms*): Remove.
4857 * config/vms/xm-vms64.h: Delete.
4859 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4862 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4864 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4866 * opts.c (finish_options): Remove duplicate sorry.
4868 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4871 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4874 2012-01-04 Richard Guenther <rguenther@suse.de>
4877 * tree.c (size_low_cst): New function.
4878 * tree.h (size_low_cst): Declare.
4879 * fold-const.c (fold_comparison): Use it to extract the low
4880 part of the POINTER_PLUS_EXPR offset.
4882 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4884 Fix clearing ZERO_REG
4885 * config/avr/avr.md (cc): Add alternative "ldi".
4886 (movqi_insn): Use it in cc attribute.
4887 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4888 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4889 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4891 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4893 * configure: Regenerate.
4895 2012-01-04 Richard Guenther <rguenther@suse.de>
4897 PR tree-optimization/49651
4898 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4899 (var_can_have_subvars): Use it.
4900 (get_constraint_for_1): Only consider subfields if there can be any.
4902 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4905 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4906 to its new canonical_cselib_val and the cselib_val was in
4907 first_containing_mem chain, but the canonical_cselib_val was not,
4908 add the latter into the chain.
4909 (cselib_invalidate_mem): Compare canonical_cselib_val of
4910 addr_list chain elt with v.
4913 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4914 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4916 (output_macinfo_op): Don't ggc_strdup fd->filename.
4917 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4918 then ggc_strdup it. Don't free inc->info or cur->info.
4919 (output_macinfo): Don't free ref->info or file->info.
4921 2012-01-03 Ira Rosen <irar@il.ibm.com>
4923 PR tree-optimization/51269
4924 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4925 first_niters a pointer.
4926 (slpeel_tree_peel_loop_to_edge): Likewise.
4927 (vect_do_peeling_for_loop_bound): Update call to
4928 slpeel_tree_peel_loop_to_edge.
4929 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4930 here. Remove it from the parameters list.
4931 (vect_do_peeling_for_alignment): Update calls and compute
4934 2012-01-03 Richard Guenther <rguenther@suse.de>
4936 PR tree-optimization/51070
4937 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4938 Properly handle calls.
4940 2012-01-03 Richard Guenther <rguenther@suse.de>
4942 PR tree-optimization/51692
4943 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4944 the LHS of allocation stmts.
4946 2012-01-03 Olivier Hainque <hainque@adacore.com>
4948 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4950 2012-01-03 Olivier Hainque <hainque@adacore.com>
4952 * collect2.c (main): In AIX specific computations for vector
4953 insertions, use CONST_CAST2 to cast from char ** to const char **.
4955 2012-01-03 Richard Guenther <rguenther@suse.de>
4958 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4959 the context of a limbo DIE when it does not already exist.
4961 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4963 PR tree-optimization/51719
4964 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4965 but direct call is, clear direct call's lhs and don't add fallthrough
4966 edge from dcall_bb to join_bb and PHIs.
4968 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4970 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4971 the instructions emitted by the pattern.
4972 ("*TDC_insn_<mode>"): Add comment.
4974 2012-01-03 Richard Guenther <rguenther@suse.de>
4977 * fold-const.c (fold_comparison): Properly canonicalize
4978 tree offset and HOST_WIDE_INT bit position.
4980 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4982 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4983 operands for extzv pattern.
4985 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4988 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4991 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4993 * doc/invoke.texi (-flto and related options): Copy-edit.
4995 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4997 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4999 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5001 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5004 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5006 * expr.h (move_by_pieces_ninsns): Declare.
5007 * expr.c (move_by_pieces_ninsns): Make external.
5008 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5009 (mips_store_by_pieces_p): Likewise.
5010 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5011 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5012 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5013 (mips_store_by_pieces_p): Likewise.
5015 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5017 * passes.c (register_one_dump_file): Free full_name.
5019 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5020 (calculate_elim_costs_all_insns): Free offsets_at and
5021 offsets_known_at at the end and clear the pointers.
5023 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5025 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5026 this option introduced in r180739.
5028 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5031 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5032 (tmake_file target=avr): Add avr/t-multilib.
5034 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5035 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5036 * config/avr/genmultilib.awk: New file.
5037 * config/avr/t-multilib: New auto-generated file.
5038 * config/avr/multilib.h: New auto-generated file.
5039 * config/avr/t-avr (AVR_MCUS): New variable.
5040 (genopt.sh): Use it.
5041 (s-mlib): Depend on t-multilib.
5042 (t-multilib, multilib.h): New dependencies.
5043 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5044 (MULTILIB_OPTIONS): Remove.
5045 (MULTILIB_MATCHES): Remove.
5046 (MULTILIB_DIRNAMES): Remove.
5047 (MULTILIB_EXCEPTIONS): Remove:
5048 * config/avr/genopt.sh: Don't use hard coded file name;
5049 pass AVR_MCUS from t-avr instead.
5051 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5053 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5055 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5057 Implement light-weight DImode support.
5058 * config/avr/avr-dimode.md: New file.
5059 * config/avr/avr.md: Include it.
5060 (adjust_len): Add plus64, compare64.
5061 (HIDI): Remove code iterator.
5062 (code_stdname): New code attribute.
5063 (rotx, rotsmode): Remove DI.
5064 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5066 * config/avr/avr-protos.h (avr_have_dimode): New.
5067 (avr_out_plus64, avr_out_compare64): New.
5068 * config/avr/avr.c (avr_out_compare): Handle DImode.
5069 (avr_have_dimode): New variable definition and initialization.
5070 (avr_out_compare64, avr_out_plus64): New functions.
5071 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5072 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5073 (avr_compare_pattern): Skip DImode comparisons.
5075 2012-01-02 Revital Eres <revital.eres@linaro.org>
5077 * ddg.c (def_has_ccmode_p): New function.
5078 (add_cross_iteration_register_deps,
5079 create_ddg_dep_from_intra_loop_link): Call it.
5081 2012-01-02 Richard Guenther <rguenther@suse.de>
5084 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5086 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5088 * gcc.c (process_command): Update copyright notice dates.
5089 * gcov.c (print_version): Likewise.
5090 * gcov-dump.c (print_version): Likewise.
5091 * mips-tfile.c (main): Likewise.
5092 * mips-tdump.c (main): Likewise.
5094 2012-01-01 Ira Rosen <irar@il.ibm.com>
5096 PR tree-optimization/51704
5097 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5098 a use is inside the basic block or loop before accessing its vect info.
5100 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5102 PR rtl-optimization/51069
5103 * cfgloopmanip.c (remove_path): Removing path making irreducible
5104 region unconditional makes BB part of the region.
5106 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5108 PR tree-optimization/51683
5109 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5110 calls with side-effects.
5111 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5113 Copyright (C) 2012 Free Software Foundation, Inc.
5115 Copying and distribution of this file, with or without modification,
5116 are permitted in any medium without royalty provided the copyright
5117 notice and this notice are preserved.
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