1 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
3 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
6 2012-07-19 Richard Guenther <rguenther@suse.de>
7 Eric Botcazou <ebotcazou@adacore.com>
9 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
10 about transition from invariant to known bits.
11 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
13 2012-07-19 Jakub Jelinek <jakub@redhat.com>
16 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
17 (cleanup_tree_cfg_bb): Don't call it.
18 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
21 2012-07-19 Christian Bruel <christian.bruel@st.com>
24 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
26 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
28 * config.gcc (v850-*-rtems*): New target.
29 * config/v850/rtems.h: New.
30 * config/v850/t-rtems: New.
32 2012-07-18 Nick Clifton <nickc@redhat.com>
34 * doc/invoke.texi (ARM Options): Document -munaligned-access.
36 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
40 Backport from mainline
41 2012-04-25 Jakub Jelinek <jakub@redhat.com>
44 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
45 instead expand it as zero extension.
47 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
49 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
50 QImode and HImode splitters. Use ix86_comparison_operator.
51 Explicitly match FLAGS_REG.
52 (DFmode cmove splitter): Explicitly match FLAGS_REG.
54 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
55 Steven Bosscher <steven@gcc.gnu.org>
56 Bernd Schmidt <bernds@codesourcery.com>
58 PR rtl-optimization/53908
59 * df-problems.c (can_move_insns_across): When doing
60 memory-reference book-keeping, handle call insns.
62 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
64 Backport from mainline
65 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
68 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
69 sibcall_insn_operand. Move it to a temporary register if not.
71 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
74 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
75 emit PIC sequence for fnaddr symbol reference in advance.
77 2012-07-09 Jason Merrill <jason@redhat.com>
80 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
81 (type_hash_eq): Likewise.
84 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
86 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
88 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
89 due to negative shift amount.
91 2012-07-06 Kai Tietz <ktietz@redhat.com>
93 Backport from mainline.
95 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
98 2012-07-06 Nick Clifton <nickc@redhat.com>
100 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
101 default_encode_section_info.
103 2012-07-06 Richard Guenther <rguenther@suse.de>
105 Backport from mainline
106 2012-03-30 Richard Guenther <rguenther@suse.de>
109 * double-int.c (rshift_double): Remove not needed cast.
111 2012-03-28 Richard Guenther <rguenther@suse.de>
114 * double-int.h (rshift_double): Remove.
115 * double-int.c (lshift_double): Use absu_hwi to make count
117 (rshift_double): Make static, take unsigned count argument,
118 remove handling of negative count argument.
119 (double_int_rshift): Dispatch to lshift_double.
121 2012-07-06 Richard Guenther <rguenther@suse.de>
123 Backport from mainline
124 2012-06-18 Richard Guenther <rguenther@suse.de>
126 PR tree-optimization/53693
127 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
128 Reject operands with more than one use.
130 2012-07-06 Richard Guenther <rguenther@suse.de>
132 Backport from mainline
133 2012-04-11 Richard Guenther <rguenther@suse.de>
136 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
137 consider loop nesting.
138 (evolution_function_is_univariate_p): Properly check the remainder
141 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
143 Backport from mainline
144 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
146 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
147 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
148 (adjacent_mem_locations): Move some code to and call...
149 (get_memref_parts): ...new function.
150 (mem_locations_overlap): New function.
151 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
152 (is_mem_ref): Rename to...
153 (find_mem_ref): ...this. Return MEM rtx.
154 (get_store_dest): Remove function.
155 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
156 new parameter and adjust calls.
157 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
158 mem refs overlap for true_store_to_load_dep_costly.
159 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
160 passed to adjacent_mem_locations.
161 (is_costly_group): Walk resolved dependency list.
162 (force_new_group): Emit group ending nop for Power6/Power7.
163 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
164 (group_ending_nop): New define_insn.
166 2012-07-04 Richard Guenther <rguenther@suse.de>
169 * gimple-fold.c (get_base_constructor): Do not return an
170 error_mark_node DECL_INITIAL.
172 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
174 Backport from mainline
175 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
177 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
178 code model string in the error message.
180 2012-07-04 Tristan Gingold <gingold@adacore.com>
182 Backport from mainline.
183 2012-06-25 Tristan Gingold <gingold@adacore.com>
185 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
186 (seh_cfa_adjust_cfa): ... that function.
187 (seh_emit_stackalloc): Do not emit out of range values.
188 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
189 UNSPEC_DEF_CFA constants.
190 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
191 * config/i386/i386.c (ix86_frame_pointer_required): Required
192 for very large frames on SEH target.
193 (ix86_compute_frame_layout): Save area is before frame pointer
194 on SEH target. Handle very large frames.
195 (ix86_expand_prologue): Likewise.
197 2012-07-04 Richard Guenther <rguenther@suse.de>
199 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
200 as in free_lang_data_in_type.
202 2012-07-02 Martin Jambor <mjambor@suse.cz>
204 Backport from mainline.
205 2012-07-02 Martin Jambor <mjambor@suse.cz>
208 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
209 dynamic type change check.
211 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
213 * tree-eh.c (lower_try_finally_switch): Really put the location of the
214 last statement of the finally block onto the switch.
216 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
218 * configure: Regenerate.
220 Backport from mainline.
221 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
223 * config.gcc (target_type_format_char): New. Document it. Set it for
225 * configure.ac (gnu_unique_option): Use target_type_format_char
226 in test. Comment rationale.
228 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
230 Backport from mainline.
231 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
233 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
235 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
237 Backport from 2012-06-28 mainline r189049
240 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
241 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
242 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
243 avr_hard_regno_call_part_clobbered.
245 2012-06-28 Richard Guenther <rguenther@suse.de>
248 * expr.c (expand_expr_real_1): Verify if the type is complete
249 before inspecting its size.
251 2012-06-27 Nick Clifton <nickc@redhat.com>
253 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
256 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
259 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
261 2012-06-26 Nick Clifton <nickc@redhat.com>
263 * config/rx/rx.md (simple_return): Use the simple_return rtx.
265 2012-06-25 Jakub Jelinek <jakub@redhat.com>
268 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
269 of x x x in the vmovlps load alternative.
271 2012-06-22 Richard Guenther <rguenther@suse.de>
273 * gcov-iov.c: Include bconfig.h and system.h.
275 2012-06-22 Richard Guenther <rguenther@suse.de>
277 PR gcov-profile/53744
278 * gcov-iov.c (main): Treat "" and "prerelease" the same.
280 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
282 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
283 DECL_IGNORED_P non-reg vars even if they are used.
285 2012-06-19 Jason Merrill <jason@redhat.com>
288 * dwarf2out.c (modified_type_die): Use scope_die_for.
289 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
290 (uses_local_type_r, uses_local_type): New.
291 (scope_die_for): Keep a type that uses a local type in local scope.
292 Use get_context_die for namespace and type scope.
294 2012-06-19 Richard Guenther <rguenther@suse.de>
297 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
298 replace it with the first non-BLOCK context.
300 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
302 PR rtl-optimization/53700
304 Backport from mainline
305 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
307 * ira-color.c (setup_left_conflict_sizes_p): Process all
310 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
312 Backport from mainline
313 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
316 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
317 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
318 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
319 instead of xop_mulv2div2di3_low.
320 (xop_p<macs>dql): Fix vec_select selector.
321 (xop_p<macs>dqh): Ditto.
322 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
323 (xop_mulv2div2di3_high): Ditto.
325 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
327 Backport from mainline:
328 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
330 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
332 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
334 Backport from mainline:
335 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
337 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
338 * config/pa/pa.c (pa_attr_length_millicode_call): Use
339 MAX_PCREL17F_OFFSET instead of fixed offset.
340 (pa_attr_length_call): Likewise.
341 (pa_attr_length_indirect_call): Likewise.
343 2012-06-15 Walter Lee <walt@tilera.com>
345 Backport from mainline:
346 2012-06-15 Walter Lee <walt@tilera.com>
348 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
350 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
352 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
354 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
356 Backport from mainline:
358 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
359 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
360 * gimple.h (block_in_transaction): Check for flag_tm.
362 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
364 PR tree-optimization/52558
366 Backport from mainline:
367 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
368 * gimple.h (gimple_set_in_transaction): Remove.
369 (gimple_in_transaction): Look in BB instead.
370 (gimple_statement_base): Remove in_transaction field.
371 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
372 * trans-mem.c (compute_transaction_bits): Place transaction bit
373 information into basic blocks.
375 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
377 PR tree-optimization/52558
378 * cfg.c (alloc_aux_for_edge): Fix comment.
379 (alloc_aux_for_edge): Remove static.
380 * basic-block.h (alloc_aux_for_edge): Protoize.
381 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
382 (execute_sm_if_changed_flag): New.
383 (execute_sm_if_changed_flag_set): New.
384 (execute_sm): Do not generate data races unless requested.
385 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
386 (tree_ssa_lim_finalize): Call free_aux_for_edges.
387 * gimple.h (block_in_transaction): New.
388 (gimple_in_transaction): Use block_in_transaction.
390 2012-06-14 Jakub Jelinek <jakub@redhat.com>
392 Backported from mainline
393 2012-06-12 Jakub Jelinek <jakub@redhat.com>
395 PR rtl-optimization/53589
396 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
397 discovery even when e->dest != target. If any LABEL_REF points
398 to e->dest label, redirect it to target's label.
400 2012-06-07 Jakub Jelinek <jakub@redhat.com>
403 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
404 returns false, replace stmt with GIMPLE_NOP.
405 (check_omp_nesting_restrictions): Instead of issuing warnings,
406 issue errors and return false if any errors were reported.
408 2012-06-14 Richard Guenther <rguenther@suse.de>
410 * BASE-VER: Set to 4.7.2.
411 * DEV-PHASE: Set to prerelease.
413 2012-06-12 Christian Bruel <christian.bruel@st.com>
416 * config/sh/sh.c (sh_option_override): Don't force
417 flag_omit_frame_pointer and maccumulate_outgoing_args.
418 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
420 2012-06-14 Release Manager
422 * GCC 4.7.1 released.
424 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
426 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
428 2012-06-13 Richard Henderson <rth@redhat.com>
430 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
431 iterator instead of INT.
433 2012-06-08 Richard Henderson <rth@redhat.com>
436 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
437 note to a clobber insn when no other insn is available.
439 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
442 * doc/invoke.texi (Wenum-compare): Update documentation.
444 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
447 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
449 (altivec_stvlxl): Ditto.
450 (altivec_stvrx): Ditto.
451 (altivec_stvrxl): Ditto.
453 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
456 * trans-mem.c (expand_block_edges): Do not skip the first
457 statement when resetting the BB.
459 2012-06-04 Richard Guenther <rguenther@suse.de>
462 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
463 create new assembler names.
465 2012-06-04 Richard Guenther <rguenther@suse.de>
467 Backport from mainline
468 2012-04-25 Jakub Jelinek <jakub@redhat.com>
471 * stor-layout.c (get_best_mode): Don't return mode with bitsize
472 larger than maxbits. Don't compute maxbits modulo align.
473 Also check that unit bytes long store at bitpos / unit * unit
474 doesn't affect bits beyond bitregion_end.
475 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
476 would not fit into bitregion_start ... bitregion_end + 1 bit
478 (store_split_bit_field): Decrease unit close to end of bitregion_end
479 if access is restricted in order to avoid mutual recursion.
481 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
483 Backport from 2012-06-04 mainline r188172
486 * config/avr/avr-stdint.h: New file.
487 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
490 2012-06-04 Jakub Jelinek <jakub@redhat.com>
492 PR tree-optimization/53550
493 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
494 is POINTER_TYPE_P, use sizetype as step type instead of type.
496 2012-06-04 Richard Guenther <rguenther@suse.de>
497 Eric Botcazou <ebotcazou@adacore.com>
499 Backport from mainline
500 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
502 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
503 Change type of BITOFFSET to signed. Make sure the lower bound of
504 the computed range is non-negative by adjusting OFFSET and BITPOS.
505 (expand_assignment): Adjust call to get_bit_range.
507 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
509 * expr.c (get_bit_range): Return the null range if the enclosing record
510 is part of a larger bit field.
512 2012-03-20 Richard Guenther <rguenther@suse.de>
514 * stor-layout.c (finish_bitfield_representative): Fallback
515 to conservative maximum size if the padding up to the next
516 field cannot be computed as a constant.
517 (finish_bitfield_layout): If we cannot compute the distance
518 between the start of the bitfield representative and the
519 bitfield member start a new representative.
520 * expr.c (get_bit_range): The distance between the start of
521 the bitfield representative and the bitfield member is zero
522 if the field offsets are not constants.
524 2012-03-16 Richard Guenther <rguenther@suse.de>
526 * stor-layout.c (finish_bitfield_representative): Fall back
527 to the conservative maximum size if we cannot compute the
528 size of the tail padding.
530 2012-03-14 Richard Guenther <rguenther@suse.de>
532 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
533 * stor-layout.c (start_bitfield_representative): New function.
534 (finish_bitfield_representative): Likewise.
535 (finish_bitfield_layout): Likewise.
536 (finish_record_layout): Call finish_bitfield_layout.
537 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
538 for QUAL_UNION_TYPE fields.
539 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
540 Stream DECL_BIT_FIELD_REPRESENTATIVE.
541 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
546 * expr.c (get_bit_range): Unconditionally extract bitrange
547 from DECL_BIT_FIELD_REPRESENTATIVE.
548 (expand_assignment): Adjust call to get_bit_range.
550 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
553 * fold-const.c (fold_binary_loc): Refine previous change.
555 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
557 Backport from mainline
558 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
561 * config/sh/sh.c (find_barrier): Add equality check of last_got to
562 avoid going above orig insn. Update comments.
564 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
566 Backport from mainline
567 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
570 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
571 prologue for unwinder and profiler.
573 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
575 Backport from mainline
576 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
578 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
580 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
582 Backport from mainline
583 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
585 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
588 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
590 Backport from mainline
591 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
593 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
594 operand is CONST_INT. Take COSTS_N_INSNS into account.
595 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
598 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
600 * config/avr/avr.opt (-msp8): Document it.
601 * doc/invoke.texi (AVR Options): Copy from trunk docu.
603 2012-05-31 Richard Guenther <rguenther@suse.de>
606 * expr.c (expand_assignment): Do not use movmisalign on
609 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
612 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
613 (pa_section_type_flags): New.
614 (pa_legitimate_constant_p): Revert previous change.
616 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
618 Backport from mainline
619 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
622 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
624 (ipa_tm_create_version): Same.
626 2012-05-30 Jason Merrill <jason@redhat.com>
629 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
630 about array compound literals.
632 2012-05-30 Richard Guenther <rguenther@suse.de>
635 * fold-const.c (fold_binary_loc): Make sure to call
636 fold_plusminus_mult_expr with the original sign of operands.
638 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
640 * explow.c (probe_stack_range): Restore simple control flow and stop
641 again when the probe cannot be generated if HAVE_check_stack.
643 2012-05-30 Jakub Jelinek <jakub@redhat.com>
645 PR rtl-optimization/53519
646 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
647 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
649 2012-05-29 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/53516
652 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
654 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
656 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
658 Backport from mainline
659 2012-05-28 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/53438
662 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
664 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
666 Backport from mainline
667 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
669 PR rtl-optimization/52528
670 * combine.c (can_combine_p): Add setting of subst_low_luid
671 before call to expand_field_assignment().
673 2012-05-26 Martin Jambor <mjambor@suse.cz>
675 Backport from mainline
676 2012-05-23 Martin Jambor <mjambor@suse.cz>
678 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
680 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
683 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
684 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
686 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
689 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
690 (ix86_expand_vec_perm): Use int mode instead of float.
692 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
695 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
696 gnu_ld variables to yes.
697 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
698 (HAVE_GNU_AS): Likewise.
699 * config.in: Regenerate.
700 * configure: Likewise.
702 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
704 Backport from mainline
705 2012-03-12 Richard Guenther <rguenther@suse.de>
706 * config/arm/arm.c (neon_dereference_pointer): Do not call
707 covert during RTL expansion.
709 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
711 Backport from mainline
712 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
715 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
716 relied on signed overflow behavior.
718 2012-05-24 Richard Guenther <rguenther@suse.de>
721 * tree-profile.c (tree_profiling): Cleanup the CFG if
722 execute_fixup_cfg requests it.
724 2012-05-24 Jakub Jelinek <jakub@redhat.com>
726 PR tree-optimization/53465
727 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
728 vr0 into *vr, then vrp_meet that.
729 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
730 have any equivalences.
731 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
734 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
736 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
738 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
739 (iterative_hash_gimple_type): Adjust comment.
740 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
741 domain for an array type instead of the domain type itself.
743 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
745 Backport from 2012-05-23 mainline r187803
748 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
749 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
752 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
754 Backport from 2012-05-03 mainline r187075
756 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
757 has_fma4 for AMD processors with both fma3 and fma4 support.
759 2012-05-22 Richard Guenther <rguenther@suse.de>
761 PR tree-optimization/53408
762 * tree-vect-loop.c (vectorizable_induction): Properly check
763 the restriction that we cannot handle induction results from
764 the inner loop outside of the outer loop.
766 2012-05-21 Jakub Jelinek <jakub@redhat.com>
768 PR tree-optimization/53436
769 * omp-low.c (omp_build_component_ref): New function.
770 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
772 PR tree-optimization/53366
773 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
774 tests if complex_numbers == 2, but there are non-complex number loads
777 PR tree-optimization/53409
778 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
779 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
781 PR tree-optimization/53410
782 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
783 instead of build_int_cst (type, 0) where vector types might be
786 2012-05-21 Joseph Myers <joseph@codesourcery.com>
789 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
790 from folded operands before wrapping another around the
791 conditional expression.
793 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
794 Patrick Marlier <patrick.marlier@gmail.com>
796 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
799 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
801 Backport from mainline
802 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
805 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
806 (UNSPECV_RDRAND): This.
807 (rdrand<mode>_1): Updated.
809 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
811 Backport from mainline
812 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
814 * config/i386/driver-i386.c (host_detect_local_cpu): Support
815 RDRND, F16C and FSGSBASE.
817 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
819 Backport from mainline
820 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
822 * tree-ssa-pre.c (can_value_number_call): Delete.
823 (compute_avail): Skip all statements with side effects.
824 <GIMPLE_CALL>: Skip calls to internal functions.
826 2012-05-18 David S. Miller <davem@davemloft.net>
828 Backport r185385 from mainline
829 2012-03-14 Richard Guenther <rguenther@suse.de>
832 * tree-vect-generic.c (type_for_widest_vector_mode): Take
833 element type instead of mode, use build_vector_type_for_mode
834 instead of the langhook, build a vector of proper signedness.
835 (expand_vector_operations_1): Adjust.
837 2012-05-18 Olivier Hainque <hainque@adacore.com>
839 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
840 $(libsubdir) as libexecsubdir.
842 2012-05-16 Andrew Pinski <apinski@cavium.com>
844 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
847 2012-05-16 David S. Miller <davem@davemloft.net>
849 * jump.c (delete_related_insns): If we remove a CALL, make sure
850 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
852 2012-05-16 Richard Henderson <rth@redhat.com>
855 * combine-stack-adj.c (prev_active_insn_bb): New.
856 (next_active_insn_bb): New.
857 (force_move_args_size_note): New.
858 (combine_stack_adjustments_for_block): Use it.
860 2012-05-16 Olivier Hainque <hainque@adacore.com>
862 * Makefile.in (install-no-fixedincludes): New target, former toplevel
863 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
864 Add comments and improve stamp preservation across the whole sequence.
865 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
867 2012-05-16 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/53364
870 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
871 detect a view-conversion of the decl.
873 2012-05-15 Jakub Jelinek <jakub@redhat.com>
876 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
877 that operands[2] is either immediate, or q_regs_operand.
879 2012-05-15 Bin Cheng <bin.cheng@arm.com>
881 Backport r187139 from mainline.
882 2012-05-04 Bin Cheng <bin.cheng@arm.com>
884 PR rtl-optimization/52804
885 * reload1.c (reload_reg_reaches_end_p): Check whether successor
886 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
887 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
888 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
889 RELOAD_FOR_OUTADDR_ADDRESS.
891 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
894 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
895 generate target register for "load" class builtins.
898 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
901 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
902 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
903 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
904 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
905 (<sse>_movu<ssemodesuffix>): New expander.
906 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
907 (avx_movdqu<avxmodesuffix>): New expander.
908 (*sse2_movdqu): Rename from sse2_movdqu.
909 (sse2_movdqu): New expander.
911 2012-05-14 Jakub Jelinek <jakub@redhat.com>
913 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
914 lineno 1 the same as lineno 0 before first start file directive.
915 (optimize_macinfo_range): Likewise.
917 * dwarf2out.c (have_macinfo): Define.
918 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
919 attribute, don't force empty compilation unit and don't emit any
920 .debug_macinfo/.debug_macro section if macinfo_table is empty.
922 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
924 Backport from mainline
925 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
927 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
928 ORDERED and UNORDERED conditions.
930 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
932 * function.c (requires_stack_frame_p): If the function can throw
933 non-call exceptions, return true if the insn can throw internally.
935 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
937 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
938 DECL_ORIGINAL_TYPE if it is present.
940 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
942 Backport from 2012-05-12 mainline r187342.
945 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
946 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
947 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
948 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
949 (expand_prologue): Move initialization of cfun->machine->is_naked,
950 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
951 (avr_set_current_function): ...this new static function.
952 (TARGET_SET_CURRENT_FUNCTION): New define.
953 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
954 checking attributes of current_function_decl.
955 (avr_regs_to_save): Ditto.
956 (signal_function_p): Rename to avr_signal_function_p.
957 (interrupt_function_p): Rename to avr_interrupt_function_p.
959 * doc/extend.texi (Function Attributes): Better explanation of
960 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
963 2012-05-09 Matthias Klose <doko@ubuntu.com>
965 * gcc-ar.c (main): Don't check for execute bits for the plugin.
967 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
970 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
971 when a constant source operand matches an "I" constraint, the "no
972 CC0 change" applies to a register-destination only, not a
973 strict_low_part-destination.
975 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
977 Backport from mainline:
978 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
980 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
982 2012-05-07 Jakub Jelinek <jakub@redhat.com>
984 PR tree-optimization/53239
985 * tree-vrp.c (get_value_range): Set VR of
986 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
989 2012-05-07 Richard Guenther <rguenther@suse.de>
991 PR tree-optimization/53195
992 * tree-inline.c (setup_one_parameter): Properly add referenced
993 vars from the parameters new known value.
995 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
997 Backport from mainline:
998 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1001 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1004 2012-05-04 Ian Lance Taylor <iant@google.com>
1006 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1007 values from false to NULL.
1009 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1011 Backport from mainline
1012 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1015 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1016 (TARGET_CMOV): Rename from TARGET_CMOVE.
1017 (TARGET_CMOVE): New define.
1018 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1019 Do not set TARGET_CMOVE here.
1021 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1023 Backport from mainline:
1025 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1027 PR tree-optimization/52633
1028 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1029 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1030 (vect_recog_over_widening_pattern): Remove handling of code that was
1031 already detected as over-widening pattern. Remove special handling
1032 of "unsigned" cases. Instead, support general case of conversion
1033 of the shift result to another type.
1035 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1037 * tree-vect-patterns.c (vect_single_imm_use): New function.
1038 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1039 (vect_recog_over_widening_pattern): Likewise.
1040 (vect_recog_widen_shift_pattern): Likewise.
1042 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1044 PR tree-optimization/52870
1045 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1046 presumed pattern statement is within the same loop or basic block.
1048 2012-05-04 Richard Guenther <rguenther@suse.de>
1050 * common.opt (flto-report): Do not mark as Optimization.
1052 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1055 * recog.c (constrain_operands): If extra constraints are present, also
1056 accept pseudo-registers with equivalent memory locations during reload.
1058 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1060 Backport from the mainline
1061 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1064 * config/rs6000/rs6000.md (bswapdi splitters): If
1065 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1066 default) is used, generate an alternate sequence that does not
1067 depend on using indexed addressing.
1069 2012-05-03 David S. Miller <davem@davemloft.net>
1072 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1073 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1074 (sparc_emit_float_lib_cmp): Likewise.
1076 2012-05-04 Martin Jambor <mjambor@suse.cz>
1078 Backport from mainline
1079 2012-05-02 Martin Jambor <mjambor@suse.cz>
1082 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1083 of a variable when the contect is a function.
1085 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1088 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1089 append program name to it and pass that as first argument
1090 to make_relative_prefix. Always pass standard_libexec_prefix
1091 as last argument to make_relative_prefix. If
1092 make_relative_prefix returns NULL, fall back to
1093 standard_libexec_prefix.
1096 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1100 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1101 mode, return that mode.
1103 2012-05-03 Richard Guenther <rguenther@suse.de>
1105 PR tree-optimization/53144
1106 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1108 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1109 with SSA name values.
1110 (vn_reference_lookup_3): Adjust callers.
1112 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1114 PR tree-optimization/53163
1115 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1116 return value from compute_all_dependences.
1118 PR rtl-optimization/53160
1119 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1120 has been modified by ree pass already.
1122 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1124 Backport from mainline
1125 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1128 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1129 calls to cgraph_node_name in xstrdup.
1130 (ipa_make_edge_direct_to_target): Ditto.
1131 * tree-sra.c (convert_callers_for_node): Ditto.
1132 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1133 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1134 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1135 (cgraph_materialize_all_clones): Ditto.
1136 * ipa-inline.c (report_inline_failed_reason): Ditto.
1137 (want_early_inline_function_p): Ditto.
1138 (edge_badness): Ditto.
1139 (update_edge_key): Ditto.
1140 (flatten_function): Ditto.
1141 (ipa_inline): Ditto.
1142 (inline_always_inline_functions): Ditto.
1143 (early_inline_small_functions): Ditto.
1145 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1147 Backport from mainline
1148 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1150 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1151 Introduce emul_name to select the right linker emulation for
1152 powerpc64-*-freebsd*.
1153 * configure: Regenerate.
1154 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1155 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1156 * config/rs6000/freebsd64.h: New file.
1157 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1159 (rs6000_savres_strategy): Likewise.
1160 (rs6000_savres_routine_name): Likewise.
1161 (rs6000_elf_file_end): Likewise.
1162 * config/rs6000/t-freebsd64: New file.
1163 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1164 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1166 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1168 Backport from mainline
1169 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1172 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1174 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1176 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1177 predicate to discriminate types.
1179 2012-04-27 Richard Guenther <rguenther@suse.de>
1182 * convert.c (convert_to_integer): Avoid infinite recursion for
1183 target-defined built-in types.
1185 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1188 * config/cris/cris.md ("*andhi_lowpart_v32")
1189 ("*andqi_lowpart_v32"): Change first input-only operand from
1190 a (match_operand ...) to (match_dup 0). Drop alternatives with
1191 const_int-matching constraints for redundancy.
1192 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1193 three-operand alternative.
1195 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1197 Backport from mainline
1198 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1200 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1201 (*addsi_2_zext): Ditto.
1202 (*add<mode>_3): Ditto.
1203 (*addsi_3_zext): Ditto.
1204 (*add<mode>_5): Ditto.
1206 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1209 * c-typeck.c (set_nonincremental_init,
1210 set_nonincremental_init_from_string): Pass true instead of false
1211 as IMPLICIT to add_pending_init.
1213 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1215 Backport from 2012-04-24 mainline r186768.
1218 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1220 2012-04-24 Richard Guenther <rguenther@suse.de>
1222 PR tree-optimization/53085
1223 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1226 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1229 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1231 (output_addressed_constants): Likewise.
1234 * varasm.c (get_section): Don't ICE for section conflicts with
1235 built-in section kinds.
1237 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1239 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1241 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1243 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1245 2012-04-23 Richard Guenther <rguenther@suse.de>
1248 * c-typeck.c (build_binary_op): Fix typo.
1250 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1252 PR tree-optimizations/52891
1253 * tree-vect-patterns.c (adjust_bool_pattern): Use
1254 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1255 but with non-standard precision.
1257 2012-04-22 Ian Lance Taylor <iant@google.com>
1259 * godump.c (go_output_typedef): Dump size of structs.
1261 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1263 Backport from mainline:
1265 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1266 hints for 'A' operand types.
1268 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1270 Backport from 2012-04-19 mainline r186588.
1273 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1274 the case *(X+const).
1276 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1278 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1280 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1283 * config/i386/sync.md (atomic_<code><mode>): Rename to
1284 atomic_<logic><mode>.
1286 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1288 Backport from mainline
1289 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1292 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1293 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1294 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1295 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1296 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1297 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1298 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1299 gen_avx2_permvarv8sf.
1301 2012-04-16 Martin Jambor <mjambor@suse.cz>
1303 Backported from mainline
1305 2012-04-13 Martin Jambor <mjambor@suse.cz>
1308 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1309 fold_ctor_reference returns a zero constant.
1311 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1313 Backported from mainline
1314 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1316 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1317 and __ILP32__ for x32.
1319 2012-04-13 Tom de Vries <tom@codesourcery.com>
1321 Backport from mainline r186418.
1323 2012-04-13 Tom de Vries <tom@codesourcery.com>
1325 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1326 parameters vuse and vuse_escaped.
1327 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1328 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1331 2012-04-13 Richard Guenther <rguenther@suse.de>
1333 PR tree-optimization/52969
1334 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1335 the condition for the COND_EXPR and handle predicate negation
1336 by swapping the COND_EXPR arms.
1338 2012-04-13 Richard Guenther <rguenther@suse.de>
1341 * convert.c (convert_to_pointer): Remove special-casing of
1344 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1346 Backport from mainline
1347 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1350 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1351 the list of options to enable the FCFID instruction.
1352 (TARGET_EXTRA_BUILTINS): Adjust comment.
1354 2012-04-12 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/52943
1357 * tree-chrec.h (chrec_is_positive): Remove.
1358 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1359 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1360 Return false for a constant zero instead of negative.
1361 (analyze_siv_subscript_cst_affine): Handle zero difference
1362 in the initial condition explicitely.
1364 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1367 * varasm.c (process_pending_assemble_externals): Set
1368 pending_assemble_externals_processed true.
1369 (assemble_external): Call assemble_external_real if the pending
1370 assemble externals have been processed.
1372 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1375 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1376 the DECL generated for the special GOT helper.
1378 2012-04-06 Walter Lee <walt@tilera.com>
1380 Backport from mainline
1381 2012-03-07 Walter Lee <walt@tilera.com>
1383 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1384 REG_CFA_* notes for the stack pointer.
1385 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1386 EH_RETURN_STACKADJ_RTX.
1387 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1388 generate REG_CFA_* notes for the stack pointer.
1389 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1390 by EH_RETURN_STACKADJ_RTX.
1392 2012-04-06 Matt Turner <mattst88@gmail.com>
1394 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1396 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1398 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1399 of the destination isn't also a FP_REGS register.
1401 2012-04-03 Richard Guenther <rguenther@suse.de>
1403 Backport from mainline
1404 2012-03-02 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/52406
1407 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1408 (struct indices): Add unconstrained_base member.
1409 (struct dr_alias): Remove unused vops member.
1410 (DR_UNCONSTRAINED_BASE): New define.
1411 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1412 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1413 be an artificial access that covers the whole indexed object,
1414 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1415 plain decl base-objects to their MEM_REF variant.
1416 (dr_may_alias_p): When the base-object of either data reference
1417 has unknown size use only points-to information.
1418 (compute_affine_dependence): Make dumps easier to read and
1420 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1421 DR_REF when looking for packed references.
1422 (vect_supportable_dr_alignment): Likewise.
1424 2012-04-03 Richard Guenther <rguenther@suse.de>
1426 Backport from mainline
1427 2012-03-15 Richard Guenther <rguenther@suse.de>
1430 * tree-data-ref.c (subscript_dependence_tester_1): Check
1431 all dimensions for non-conflicting access functions.
1433 2012-04-03 Richard Guenther <rguenther@suse.de>
1435 Backport from mainline
1436 2012-03-06 Richard Guenther <rguenther@suse.de>
1439 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1441 2012-03-23 Richard Guenther <rguenther@suse.de>
1443 PR tree-optimization/52678
1444 * tree-vectorizer.h (struct _stmt_vec_info): Add
1445 loop_phi_evolution_part member.
1446 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1447 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1448 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1449 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1450 Use the cached evolution part and the PHI nodes value from
1451 the loop preheader edge instead of re-analyzing the evolution.
1453 2012-03-26 Richard Guenther <rguenther@suse.de>
1455 PR tree-optimization/52701
1456 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1457 compute and set the evolution part of PHI nodes.
1459 2012-03-30 Richard Guenther <rguenther@suse.de>
1461 PR tree-optimization/52754
1462 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1463 propagate arbitrary addresses into really plain dereferences.
1465 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1467 PR tree-optimization/52835
1468 * tree-data-ref.c (build_rdg): Return NULL if
1469 compute_data_dependences_for_loop failed.
1471 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1473 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1474 (stmt_can_make_abnormal_goto): Use it.
1475 (is_ctrl_altering_stmt): Likewise.
1477 2012-03-31 Martin Jambor <mjambor@suse.cz>
1479 Backported from mainline
1480 2012-03-30 Martin Jambor <mjambor@suse.cz>
1482 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1483 is a builtin_stack_save in a dominating BB.
1485 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1487 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1488 crossing 128bit lane boundary.
1490 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1492 Backported from mainline
1493 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1496 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1498 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1499 * config/i386/i386.c: Include reload.h.
1500 (ix86_legitimize_reload_address): New function.
1502 2012-03-28 Martin Jambor <mjambor@suse.cz>
1504 Backported from mainline
1505 2012-03-27 Martin Jambor <mjambor@suse.cz>
1508 * tree-sra.c (sra_modify_assign): Do not call
1509 load_assign_lhs_subreplacements when working with an unscalarizable
1512 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1515 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1516 __builtin_va_start to __builtin_next_arg if the latter is
1517 builtin_decl_explicit_p rather than when it is not.
1520 * tree-vect-generic.c (vector_element): Perform multiplication
1521 for pos in bitsizetype type instead of idx type.
1523 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1525 Backport from 2012-03-28 mainline r185910.
1528 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1529 (avr_builtin_decl): New static function.
1530 (struct avr_builtin_description, avr_bdesc): Move up.
1531 Add GTY marker. Add field fndecl. Remove redundant field id.
1532 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1533 (avr_expand_builtin): Code cleanup because .id is removed.
1535 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1538 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1541 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1543 Backport from 2012-03-28 mainline r185907.
1546 * config.gcc (tm_file): Remove avr/multilib.h.
1548 * doc/invoke.texi (AVR Options): Adjust
1549 documentation of -mtiny-stack.
1551 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1552 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1553 * config/avr/t-avr: Remove generation of multilib.h.
1554 * config/avr/t-multilib: Regenerate.
1555 * config/avr/multilib.h: Remove.
1556 * config/avr/avr.opt (-msp8): New option.
1557 (avr_sp8): New variable.
1558 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1559 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1560 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1561 (avr_device_to_sp8): New prototype.
1562 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1563 (DRIVER_SELF_SPECS): New define.
1564 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1565 __AVR_SP8__, __AVR_HAVE_SPH__.
1566 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1567 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1568 (avr_file_start): Ditto.
1570 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1573 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1574 instead of 8 in adjust_address.
1576 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1578 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1579 of a unit before computing the offset in units.
1581 2012-03-27 Richard Guenther <rguenther@suse.de>
1584 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1587 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1590 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1592 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1595 * varasm.c: Include pointer-set.h.
1596 (pending_assemble_externals_set): New pointer set.
1597 (process_pending_assemble_externals): Destroy the pointer set.
1598 (assemble_external): See if decl is in pending_assemble_externals_set,
1599 and add it to pending_assemble_externals if necessary.
1600 (init_varasm_once): Allocate pending_assemble_externals_set.
1602 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1604 Backported from mainline
1605 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1608 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1609 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1610 (vector_ltgt<mode>): Likewise.
1611 (vector_ordered<mode>): Likewise.
1612 (vector_unordered<mode>): Likewise.
1613 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1615 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1617 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1620 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1622 Backported from mainline
1623 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1627 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1628 GENERAL_REGS and FP_REGS for SImode.
1630 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1633 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1634 on any new_local_var_chain vars declared during recursing on
1635 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1637 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1639 Backport from 2012-03-22 mainline r185692.
1642 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1643 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1644 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1645 (delay_cycles_1, delay_cycles_2): Ditto.
1646 (delay_cycles_3, delay_cycles_4): Ditto.
1647 (nopv, *nopv): Ditto.
1648 (sleep, *sleep): Ditto.
1651 Backport from 2012-03-21 mainline r185605.
1653 PR rtl-optimization/52543
1655 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1656 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1657 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1658 (avr_load_libgcc_p): Restrict to __flash loads.
1659 (avr_out_lpm): Only handle 1-byte loads from __flash.
1660 (avr_load_lpm): New function.
1661 (avr_find_unused_d_reg): Remove.
1662 (avr_out_lpm_no_lpmx): Remove.
1663 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1664 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1665 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1666 (load_<mode>, load_<mode>_clobber): New insns.
1667 (mov<mode>): For multi-byte move from non-generic
1668 16-bit address spaces: Expand to load_<mode> resp.
1669 load_<mode>_clobber.
1670 (load<mode>_libgcc): Remove expander.
1671 (split-lpmx): Remove split.
1673 Backport from 2012-03-13 mainline r185329.
1676 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1677 offset (size) to a value the insns can deal with.
1678 (expand_epilogue): Ditto.
1680 Backport from 2012-03-12 mainline r185256.
1683 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1684 type from reg_class_t to enum reg_class.
1685 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1687 Backport from 2012-03-12 mainline r185253.
1690 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1691 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1692 r184615 from 2012-02-28.
1694 Backport from 2012-03-08 mainline r185105.
1696 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1697 for constants in [-63,63].
1699 Backport from 2012-03-08 mainline r185100.
1702 * config/avr/avr.c (avr_mem_clobber): New static function.
1703 (avr_expand_delay_cycles): Add memory clobber operand to
1704 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1705 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1706 (enable_interrupt, disable_interrupt): New expander.
1707 (nopv, sleep, wdr): New expanders.
1708 (delay_cycles_1): Add memory clobber.
1709 (delay_cycles_2): Add memory clobber.
1710 (delay_cycles_3): Add memory clobber.
1711 (delay_cycles_4): Add memory clobber.
1712 (cli_sei): New insn from former "enable_interrupt",
1713 "disable_interrupt" with memory clobber.
1714 (*wdt): New insn from former "wdt" with memory clobber.
1715 (*nopv): Similar, but for "nopv".
1716 (*sleep): Similar, but for "sleep".
1718 Backport from 2012-03-07 mainline r185043.
1721 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1723 Backport from 2012-03-07 mainline r185032.
1726 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1727 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1728 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1730 Backport from 2012-03-07 mainline r185031.
1733 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1735 * config/avr/avr.md (xload_8): Adjust insn length.
1737 Backport from 2012-03-07 mainline r185030.
1740 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1741 if RAMPZ affects reading from RAM.
1743 Backport from 2012-03-05 mainline r184919.
1745 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1747 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1749 Backport from mainline r185259.
1752 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1753 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1755 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1757 Backported from mainline
1758 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1761 * c-parser.c (c_parser_postfix_expression)
1762 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1764 * config/i386/smmintrin.h: Avoid /* within a comment.
1765 * config/i386/nmmintrin.h: Likewise.
1767 2012-03-22 Richard Guenther <rguenther@suse.de>
1769 * BASE-VER: Set to 4.7.1.
1770 * DEV-PHASE: Set to prerelease.
1772 2012-03-22 Release Manager
1774 * GCC 4.7.0 released.
1776 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1778 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1780 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1781 Andrew Pinski <apinski@cavium.com>
1784 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1785 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1786 calls instead of __builtin_ir{int,ound}*.
1788 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1791 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1794 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1796 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1797 Refer to GCC 4.7 version of c99status.html.
1799 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1801 Backport from mainline
1802 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1804 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1805 redefine to be NULL if the current bit-size is different from the
1806 configured bit-size.
1808 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1809 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1810 set the default tuning. Add asserts to make sure the cpu and tune
1811 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1812 test whether the index is set, instead of > 0.
1813 (rs6000_file_start): Do not reset the default cpu if the current
1814 bit-size is different from the configured bit-size.
1816 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1818 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1820 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1821 Update binutils references.
1822 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1823 Update binutils reference.
1824 Update Sun as/GNU ld caveat.
1825 Document binutils largefile requirement for LTO plugin.
1826 Remove reference to alternate libpthread.
1828 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1830 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1832 (Specific, mips-sgi-irix6): Likewise.
1834 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1836 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1837 * configure: Regenerate.
1839 2012-03-07 Richard Henderson <rth@redhat.com>
1841 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1842 * config/m68k/sync.md (atomic_test_and_set): Use it.
1843 (atomic_test_and_set_1): Likewise.
1845 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1848 * Makefile.in: Let install-gcc-ar depend on installdirs,
1849 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1850 Don't double canonicalize if cross-compiling.
1852 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1854 * trans-mem.c: New typedef for tm_region_p.
1855 Define vector types for tm_region_p.
1856 (tm_region_init): Replace region_worklist to a vector called
1859 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1862 * trans-mem.c (tm_region_init): Use last_basic_block.
1864 2012-03-05 Richard Henderson <rth@redhat.com>
1867 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1868 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1869 BIGGEST_ALIGNMENT is aligned.
1871 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1873 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1875 2012-03-05 Richard Henderson <rth@redhat.com>
1878 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1879 instead of calling negqi2 directly.
1881 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1883 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1884 (INTMAX_TYPE): Use it.
1885 (UINTMAX_TYPE): Likewise.
1886 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1887 (irix6_c_common_override_options): Declare.
1888 (C_COMMON_OVERRIDE_OPTIONS): Define.
1889 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1890 * config/mips/irix6-c.c: New file.
1891 * config/mips/t-irix6 (irix6-c.o): New target.
1892 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1895 2012-03-02 Richard Henderson <rth@redhat.com>
1897 * optabs.c (expand_atomic_test_and_set): Honor
1898 atomic_test_and_set_trueval even when atomic_test_and_set
1899 optab is not in use.
1901 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1903 Backport from mainline
1904 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1906 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1908 2012-03-02 Richard Guenther <rguenther@suse.de>
1910 * DEV-PHASE: Set to prerelease.
1912 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1914 * config.gcc (obsolete): Add all ARM targets using the FPA.
1915 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1916 * doc/install.texi: Avoid references to obsolete ARM ports.
1918 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1920 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1922 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1923 Joern Rennecke <joern.rennecke@embecosm.com>
1925 * doc/extend.texi: Expand and update information on interrupt
1926 attribute for Epiphany.
1928 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1930 * config/sh/sh-protos.h: Update copyright notice dates.
1931 * config/sh/sh.h: Likewise.
1932 * config/sh/sh.md: Likewise.
1933 * config/sh/constraints.md: Likewise.
1934 * config/sh/predicates.md: Likewise.
1936 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1938 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1939 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1941 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1943 * config/sh/constraints.md: Fix comment typo.
1945 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1948 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1949 unsigned HOST_WIDE_INT.
1950 (zvdep_imm64): Likewise.
1951 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1952 (vdepi_and): Likewise.
1953 Likewise for unamed 64-bit patterns.
1954 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1956 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1959 PR rtl-optimization/52417
1960 * cselib.c (cselib_any_perm_equivs): New variable.
1961 (cselib_reset_table): Check that it's not set when not
1962 preserving constants.
1963 (cselib_add_permanent_equiv): Set it.
1964 (cselib_have_permanent_equivalences): New.
1965 (cselib_init, cselib_finish): Reset it.
1966 * cselib.h (cselib_have_permanent_equivalences): Declare.
1967 * alias.c (get_addr): Restore earlier behavior when there
1968 aren't permanent equivalences.
1970 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1972 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1973 * config/v850/v850-modes.def: Fix copyright notice.
1975 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1977 * doc/extend.texi (AVR Built-in Functions): Document
1978 __builtin_avr_flash_segment.
1980 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1981 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1982 (*split.flash_segment): New insn-and-split.
1983 * config/avr/avr.c (avr_init_builtins): Add local variables:
1984 const_memx_void_node, const_memx_ptr_type_node,
1985 char_ftype_const_memx_ptr.
1987 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1989 PR tree-optimization/52445
1990 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1991 add ssa_name_ver, offset and size fields and change store field
1993 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1994 (add_or_mark_expr): Likewise. Only consider previous stores
1995 with the same size and offset.
1996 (nt_init_block): Only look at gimple_assign_single_p stmts,
1997 doesn't look at rhs2.
1999 2012-03-01 Richard Guenther <rguenther@suse.de>
2002 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2003 conversions from integral types to pointer types.
2005 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2007 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2008 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2009 unintentionally removed in r184616.
2011 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2013 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2016 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2017 Uros Bizjak <ubizjak@gmail.com>
2020 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2021 alternatives, add "e" constraint to the new last alternative
2022 and ! to last 3 alternatives.
2024 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2026 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2027 DW_AT_artificial attributes at the end of the processing.
2028 (gen_array_type_die): Likewise.
2029 (gen_enumeration_type_die): Likewise.
2030 (gen_struct_or_union_type_die): Likewise.
2031 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2034 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2037 * expr.c (expand_assignment): If doing misaligned store that doesn't
2038 cover all mode bits, perform a RMW cycle.
2040 PR tree-optimization/52429
2041 * tree-parloops.c (separate_decls_in_region_debug): Return early
2042 if var is LABEL_DECL.
2044 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2046 PR tree-optimization/52424
2047 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2048 calling dom_thread_across_edge.
2050 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2052 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2054 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2056 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2057 * config/avr/avr.c (avr_output_bld): Remove unused function.
2058 (avr_out_sbxx_branch): Use "%T" to print bit position.
2060 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2062 * config/avr/avr.md: Untabify.
2064 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2066 * config/avr/avr.md (eqne): New code iterator.
2067 (*dec-and-branchsi): Use it in text peephole's condition.
2068 (*dec-and-branchhi): Ditto.
2069 (*dec-and-branchqi): Ditto.
2071 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2074 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2075 the device does not have the skip-bug.
2077 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2079 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2080 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2081 -mpretend-cmove): New.
2083 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2086 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2087 doesn't count DEBUG_INSN refs.
2088 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2089 for DEBUG_INSN refs.
2091 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2095 2012-02-20 Richard Guenther <rguenther@suse.de>
2096 PR tree-optimization/52298
2097 * tree-vect-stmts.c (vectorizable_load): Properly use
2098 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2101 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2104 * gimple.h (gimple_in_transaction): New.
2105 (gimple_set_in_transaction): New.
2106 (struct gimple_statement_base): Add in_transaction field.
2107 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2109 (tree_ssa_lim_initialize): Compute transaction bits.
2110 * tree.h (compute_transaction_bits): Protoize.
2111 * trans-mem.c (tm_region_init): Use the heap to store BB
2113 (compute_transaction_bits): New.
2115 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2117 * gcc.c (display_help): Document --help=common and sort entries
2120 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2122 * doc/install.texi: Document check-$LANG specific shortcuts
2124 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2127 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2129 * config/arm/arm_neon.h: Regenerate.
2130 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2131 (neon_vcgeu): New insn.
2132 (neon_vcgtu): Likewise.
2133 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2134 (ops): Unsigned comparison intrinsics call a different
2137 2012-02-28 Richard Guenther <rguenther@suse.de>
2140 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2141 ordering for the VEC_CONCAT for two element vectors for
2142 V2SFmode, V2SImode and V2DImode.
2144 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2147 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2148 detecting big-endian triplets.
2150 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2152 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2153 mode if there is no type information available.
2155 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2157 PR tree-optimization/53207
2158 * doc/invoke.texi: Document as experimental and relying on graphite.
2160 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2162 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2163 of initializer to changes from r184614.
2165 2012-02-28 Richard Guenther <rguenther@suse.de>
2167 PR tree-optimization/52395
2168 * tree-sra.c (build_ref_for_offset): Also look at the base
2169 TYPE_ALIGN when figuring out the alignment of the replacement.
2171 2012-02-28 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/52402
2174 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2175 mis-aligned types when creating the accesses at the call site.
2177 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2179 * config/avr/builtins.def: New file.
2180 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2181 * config/avr/avr.c (enum avr_builtin_id): Use it.
2182 (avr_init_builtins): Use it. And use avr_bdesc.
2183 (bdesc_1arg): Remove.
2184 (bdesc_2arg): Remove.
2185 (bdesc_3arg): Remove.
2186 (struct avr_builtin_description): Add field n_args.
2187 (avr_bdesc): New static variable using builtins.def.
2188 (avr_expand_builtin): Use it.
2189 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2190 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2191 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2193 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2196 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2197 match only one single hard register with respective hard reg rtx.
2198 (movmemx_<mode>): Ditto.
2199 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2200 insn anatomy of movmem[x]_<mode>.
2201 (avr_out_movmem): Same for printing assembler and operand usage.
2203 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2207 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2208 address spaces located outside of device flash.
2210 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2211 (mcu_type_s): Add field n_flash.
2212 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2213 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2214 (AVR_MCU): Add N_FLASH argument.
2215 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2216 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2217 macro __FLASH<n> if that address space makes sense for the device.
2218 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2219 outside of target flash.
2220 (avr_asm_named_section): Ditto.
2221 (avr_asm_select_section): Ditto.
2222 (avr_addr_space_convert): Ditto.
2223 (avr_emit_movmemhi): Ditto.
2224 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2225 address space is outside of device flash.
2226 (avr_insert_attributes): Ditto.
2227 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2228 avr_current_arch->n_segments.
2230 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2233 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2235 (*movabs<mode>_2): Likewise.
2237 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2240 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2241 s_register_operand in the test instead of REG_P. Don't call
2242 gen_reg_rtx if it won't be used.
2244 PR tree-optimization/52376
2245 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2247 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2249 * ifcvt.c (noce_get_condition): Check condition variable is not
2250 small_register_classes_for_mode_p before accepting.
2252 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2254 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2256 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2259 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2260 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2262 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2264 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2266 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2268 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2270 * config/sh/predicates.md: Remove blank lines.
2271 * config/sh/sh.c: Fix typos in comments.
2272 * config/sh/constraints.md: Likewise.
2273 * config/sh/sh.md: Remove blank lines.
2274 Fix typos in comments. Use ;; as comment characters.
2276 2012-02-26 Walter Lee <walt@tilera.com>
2278 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2279 (replace_mov_pcrel_step2): Ditto.
2281 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2284 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2285 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2286 and locs that reference values newer than the non-canonical value
2287 at hand. Return the canonical value as a worst case.
2288 (memrefs_conflict_p): Walk canonical value's locs.
2291 * cselib.c (preserve_only_constants): Rename to...
2292 (preserve_constants_and_equivs): ... this. Split out...
2293 (invariant_or_equiv_p): ... this. Preserve plus expressions
2294 of other preserved expressions too.
2295 (cselib_reset_table): Adjust.
2296 * var-tracking.c (reverse_op): Use canonical value to build
2299 2012-02-23 Kai Tietz <ktietz@redhat.com>
2301 * config/i386/i386.c (ix86_delegitimize_address): Handle
2302 UNSPEC_PCREL plus displacement.
2304 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2307 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2308 to test for unusedness in st X addressing.
2310 2012-02-24 Richard Guenther <rguenther@suse.de>
2313 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2314 (is_gimple_reg_type): Move inline ...
2315 * gimple.h (is_gimple_reg_type): ... here.
2317 2012-02-24 Richard Guenther <rguenther@suse.de>
2320 * passes.c (execute_function_todo): When verifying SSA form
2321 verify gimple form first.
2322 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2324 2012-02-24 Richard Guenther <rguenther@suse.de>
2327 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2328 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2330 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2332 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2334 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2336 * tree-phinodes.c (make_phi_node): Mark static.
2337 * tree-flow.h (make_phi_node): Remove extern decl.
2338 * doc/gimple.texi (make_phi_node): Remove documentation.
2340 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2342 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2343 * tree-ssa-sccvn.c (print_scc): Ditto.
2345 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2347 * doc/passes.texi (Full redundancy elimination): Fix typo.
2349 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2351 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2353 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2356 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2358 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2361 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2363 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2365 * config/avr/avr.md (code_stdname): Add ior, xor.
2366 (xior): New code iterator.
2367 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2368 (*<code_stdname><mode>qi.byte1-3): Ditto.
2370 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2372 PR tree-optimization/52019
2373 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2376 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2378 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2379 HAVE_INITFINI_ARRAY to work around namespace pollution in
2380 certain versions of newlib system headers.
2381 * config.in: Regenerate.
2382 * configure: Regenerate.
2383 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2384 instead of HAVE_INITFINI_ARRAY.
2386 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2389 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2390 is not offsettable memory reference.
2392 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2395 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2396 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2398 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2400 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2401 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2403 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2405 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2406 library on Solaris 8 even without TLS support.
2407 * configure: Regenerate.
2409 2012-02-22 Richard Guenther <rguenther@suse.de>
2412 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2413 for GIMPLE_DEBUG stmts.
2415 2012-02-22 Martin Jambor <mjambor@suse.cz>
2418 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2419 according to the base object.
2421 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2423 PR rtl-optimization/50063
2424 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2425 and 2 (8-bit SP) in operand 2.
2426 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2427 setup to use movhi_sp_r instead of vanilla move to write SP.
2428 Adjust REG_CFA notes to superseed unspec.
2429 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2431 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2432 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2433 irq_state 1 (IRQ known to be on) here.
2435 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2437 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2439 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2440 assign_hard_reg): Likewise.
2442 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2444 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2446 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2449 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2450 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2452 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2454 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2455 prototype from here to...
2456 * config/avr/avr.h: ...here.
2458 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2461 * thumb2.md (thumb2_shiftsi3_short): Split register and
2462 immediate shifts. For register shifts tie operands 0 and 1.
2463 (peephole2 for above): Check that register-controlled shifts
2464 have suitably tied operands.
2466 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2469 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2470 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2471 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2472 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2473 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2474 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2475 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2476 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2477 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2478 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2479 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2480 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2481 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2482 bdver1_ssevector_avx256_unaligned_load,
2483 bdver1_ssevector_sse128_unaligned_load,
2484 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2485 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2486 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2487 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2488 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2489 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2490 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2491 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2492 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2493 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2494 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2495 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2496 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2497 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2498 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2499 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2500 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2501 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2502 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2503 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2504 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2505 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2506 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2507 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2508 bdver1_ssediv_double_load, bdver1_ssediv_double,
2509 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2510 Add "bdver2" attribute.
2512 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2514 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2515 default if possible and not specified otherwise.
2517 2012-02-21 Richard Guenther <rguenther@suse.de>
2520 * gimplify.c (create_tmp_from_val): Use the main variant type
2521 for the type of the temporary we create.
2523 2012-02-21 Richard Guenther <rguenther@suse.de>
2525 PR tree-optimization/52324
2526 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2527 do not gimplify a MEM_REF address operand if it is already
2530 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2532 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2533 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2535 2012-02-21 Richard Guenther <rguenther@suse.de>
2537 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2538 nested_in_vect_loop.
2540 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2542 PR tree-optimization/52318
2543 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2544 vdef also to non-pure/const call stmts in the sequence.
2546 2012-02-20 David S. Miller <davem@davemloft.net>
2548 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2549 don't use the "rd %pc" instruction on v9 for PIC register loads.
2551 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2554 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2555 in a transaction safe function.
2557 2012-02-20 Kai Tietz <ktietz@redhat.com>
2560 * stor-layout.c (place_field): Handle desired_align for
2563 2012-02-20 Richard Guenther <rguenther@suse.de>
2565 PR tree-optimization/52298
2566 * tree-vect-stmts.c (vectorizable_store): Properly use
2567 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2569 (vectorizable_load): Likewise.
2570 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2571 Access DR_STEP after ensuring it is not NULL.
2573 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2575 PR tree-optimization/52286
2576 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2577 optimization use double_int_to_tree instead of build_int_cst_wide,
2578 rewrite to use double_int vars.
2580 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2583 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2585 Remove -e 0 from $gcc_cv_ld invocation.
2586 Only use __GLIBC_PREREQ if defined.
2587 Enable on Solaris since Solaris 8 patch.
2588 (gcc_SUN_LD_VERSION): New macro.
2589 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2590 gcc_SUN_LD_VERSION for version number format.
2591 * configure: Regenerate.
2592 * varasm.c (get_elf_initfini_array_priority_section): Set
2593 SECTION_NOTYPE for non-default priority.
2594 Use get_section instead of get_unnamed_section to emit
2595 .init_array/.fini_array with default priority.
2597 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2599 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2600 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2601 (mips_start_unique_function, mips_output_mips16_rdhwr)
2602 (mips_code_end): New functions.
2603 (TARGET_ASM_CODE_END): Define.
2605 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2607 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2608 to stubs with non-sibling calls.
2610 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2612 * doc/invoke.texi (-fira-* options): Copy-edit.
2613 (ira-* parameters): Copy-edit.
2615 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2617 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2618 GCC coding conventions.
2620 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2622 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2623 when used as adjectives.
2625 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2627 * doc/invoke.texi: Clean up "that"/"which" confusion.
2629 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2631 * system.h: Poison SMALL_REGISTER_CLASSES
2632 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2633 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2635 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2637 PR tree-optimization/52285
2638 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2639 when deciding if a call is a tail call or tail recursion.
2641 2012-02-16 Kai Tietz <ktietz@redhat.com>
2643 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2644 interger-constant displacement for UNSPEC_PCREL.
2646 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2648 PR rtl-optimization/52208
2649 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2650 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2652 PR tree-optimization/52255
2653 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2654 loop->header has virtual PHI, but exit_e->dest doesn't, add
2655 virtual PHI to exit_e->dest and adjust all uses after the loop.
2658 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2659 children with clone_tree_hash, not after it.
2661 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2663 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2664 extended identifiers.
2666 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2669 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2670 a same_body_alias, also test whether e->callee isn't a former
2671 or current clone of the decl this is a same body alias of.
2673 PR translation/52264
2674 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2676 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2678 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2680 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2683 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2684 force_reg instead of copy_to_reg for better optimization. Force
2685 non-register or memory operands into a register.
2687 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2689 * extend.texi: Reserve upper bits of memory model for future use.
2691 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2692 Anatoly Sokolov <aesok@post.ru>
2693 Eric Weddington <eric.weddington@atmel.com>
2696 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2697 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2698 Rewrite initializers for .macro.
2699 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2700 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2701 atxmega32d4, atxmega32x1.
2702 avrxmega4: atxmega64a3, atxmega64d3.
2703 avrxmega5: atxmega64a1, atxmega64a1u.
2704 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2705 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2706 avrxmega7: atxmega128a1, atxmega128a1u.
2707 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2708 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2709 (struct base_arch_s): Rename reserved to xmega_p.
2710 Rename reserved2 to have_rampd.
2711 (AVR_XMEGA): New define.
2712 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2713 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2714 * config/avr/predicates.md (io_address_operand): Take into
2716 (low_io_address_operand): Ditto.
2717 (high_io_address_operand): Ditto.
2718 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2719 (enabled, movhi_sp_r): Use them.
2720 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2721 cpp_define_formatted to built-in define __AVR_ARCH__.
2722 (__AVR_XMEGA__): New built-in define.
2723 (__AVR_HAVE_RAMPD__): New built-in define.
2724 (__AVR_HAVE_RAMPX__): New built-in define.
2725 (__AVR_HAVE_RAMPY__): New built-in define.
2726 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2728 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2729 (avr_option_override): Initialize them.
2730 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2731 (avr_init_expanders): Initialize them. No more block several calls.
2732 (emit_push_sfr): New static function.
2733 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2735 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2736 (avr_print_operand): Print addreeses as symbols for
2737 RAMPX, RAMPY, RAMPD, CCP.
2738 (output_movhi): Handle AVR_XMEGA when writing to SP.
2739 (avr_out_movhi_mr_r_xmega): New static function.
2740 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2741 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2742 __RAMPD__, __CCP__ as needed.
2744 * config/avr/multilib.h: Regenerate.
2745 * config/avr/t-multilib: Regenerate.
2746 * config/avr/avr-tables.opt: Regenerate.
2748 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2750 PR tree-optimization/50561
2751 * graphite-flattening.c (lst_project_loop): Do not
2752 remove old scattering dimensions after flattening.
2753 (lst_do_flatten): Likewise.
2755 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2757 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2758 __builtin_avr_map8, __builtin_avr_map16.
2759 Document __builtin_avr_insert_bits.
2761 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2762 (insert_bits): New insn.
2763 (adjust_len.map_bits): Rename to insert_bits.
2764 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2765 * avr-protos.h (avr_out_map_bits): Remove.
2766 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2767 * config/avr/constraints.md (Cxf,C0f): New.
2768 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2769 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2770 New built-in define __BUILTIN_AVR_INSERT_BITS.
2771 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2772 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2773 (avr_move_bits): Rewrite.
2774 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2776 (avr_map_op_t): New typedef.
2777 (avr_map_op): New static variable.
2778 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2779 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2780 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2781 (bdesc_3arg, avr_expand_triop_builtin): New.
2782 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2783 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2784 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2785 (avr_map_equal_p, avr_map_sig_p): Remove.
2786 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2787 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2788 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2789 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2790 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2791 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2793 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2795 * config/c6x/c6x.md (reserve_cycles): New attribute.
2796 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2797 don't reserve functional units after the branch occurs.
2799 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2802 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2803 functions into non-tm_pure functions.
2805 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2808 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2809 (iterative_hash_canonical_type): Likewise.
2810 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2813 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2815 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2816 sched-group insn, it either remains alone or the entire list is pruned.
2818 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2820 * doc/install.texi (Prerequisites): Fix grammar.
2821 (Configuration): Likewise.
2823 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2825 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2826 MPC as part of GCC before describing configuring with --with-gmp etc.
2827 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2828 sources are present.
2830 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2833 * dwarf2out.c (clone_tree_hash): New function.
2834 (copy_decls_walk): Use it instead of clone_tree.
2836 2012-02-14 Richard Guenther <rguenther@suse.de>
2838 PR tree-optimization/52244
2839 PR tree-optimization/51528
2840 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2841 replacements for integral types.
2843 2012-02-14 Walter Lee <walt@tilera.com>
2845 * config.gcc: Handle tilegx and tilepro.
2846 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2848 Add HAVE_AS_TLS check for tilegx and tilepro.
2849 * configure: Regenerate.
2850 * doc/contrib.texi: Add Mat Hostetter and self.
2851 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2852 Document instruction intrinsics and network accessing intrinsics.
2853 (TILEPro Built-in Functions): New node. Document instruction
2854 intrinsics and network accessing intrinsics.
2855 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2856 (Specific, tilepro-*-linux*): Likewise.
2857 * doc/invoke.texi (TILE-Gx Options): New section.
2858 (TILEPro Options): New section.
2859 * doc/md.texi (TILE-Gx): New section.
2860 (TILEPro): New section.
2861 * common/config/tilegx/tilegx-common.c: New file.
2862 * common/config/tilepro/tilepro-common.c: New file.
2863 * config/tilegx/constraints.md: New file.
2864 * config/tilegx/linux.h: New file.
2865 * config/tilegx/mul-tables.c: New file.
2866 * config/tilegx/predicates.md: New file.
2867 * config/tilegx/sync.md: New file.
2868 * config/tilegx/t-tilegx: New file.
2869 * config/tilegx/tilegx-builtins.h: New file.
2870 * config/tilegx/tilegx-c.c: New file.
2871 * config/tilegx/tilegx-generic.md: New file.
2872 * config/tilegx/tilegx-modes.def: New file.
2873 * config/tilegx/tilegx-multiply.h: New file.
2874 * config/tilegx/tilegx-protos.h: New file.
2875 * config/tilegx/tilegx.c: New file.
2876 * config/tilegx/tilegx.h: New file.
2877 * config/tilegx/tilegx.md: New file.
2878 * config/tilegx/tilegx.opt: New file.
2879 * config/tilepro/constraints.md: New file.
2880 * config/tilepro/gen-mul-tables.cc: New file.
2881 * config/tilepro/linux.h: New file.
2882 * config/tilepro/mul-tables.c: New file.
2883 * config/tilepro/predicates.md: New file.
2884 * config/tilepro/t-tilepro: New file.
2885 * config/tilepro/tilepro-builtins.h: New file.
2886 * config/tilepro/tilepro-c.c: New file.
2887 * config/tilepro/tilepro-generic.md: New file.
2888 * config/tilepro/tilepro-modes.def: New file.
2889 * config/tilepro/tilepro-multiply.h: New file.
2890 * config/tilepro/tilepro-protos.h: New file.
2891 * config/tilepro/tilepro.c: New file.
2892 * config/tilepro/tilepro.h: New file.
2893 * config/tilepro/tilepro.md: New file.
2894 * config/tilepro/tilepro.opt: New file.
2896 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2898 PR tree-optimization/52210
2899 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2900 vect_model_simple_cost with two entry vect_def_type array instead
2901 of an address of dt.
2903 2012-02-14 Richard Guenther <rguenther@suse.de>
2906 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2907 Do not stream DECL_QUALIFIER.
2908 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2909 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2910 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2912 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2915 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2918 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2921 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2922 * cselib.c (cselib_subst_to_values_from_insn): New function.
2923 * sched-deps.c (add_insn_mem_dependence,
2924 sched_analyze_1, sched_analyze_2): Use it.
2926 2012-02-13 Jan Hubicka <jh@suse.cz>
2929 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2931 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2933 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2934 (GTM_SELF_SPECS): Define if not already defined.
2935 (driver_self_specs): Add GTM_SELF_SPECS.
2936 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2937 (GTM_SELF_SPECS): Define.
2938 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2939 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2941 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2943 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2946 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2949 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2950 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2952 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2955 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2957 2012-02-13 Richard Guenther <rguenther@suse.de>
2959 PR translation/52211
2960 * passes.c (enable_disable_pass): Fix typo.
2962 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2965 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2966 XOR for reduce_bit_field if type is unsigned.
2968 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2970 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2971 disallow changes from SFmode to mode with different size in FP regs.
2973 2012-02-12 Robert Millan <rmh@gnu.org>
2974 Gerald Pfeifer <gerald@pfeifer.com>
2976 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2979 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2981 PR rtl-optimization/52175
2982 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2983 to frame-related instructions.
2985 2012-02-10 Jason Merrill <jason@redhat.com>
2988 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2989 (demangle_new_symbols): Fill it.
2990 (scan_linker_output): Walk it.
2991 (start_tweaking): Split out from scan_linker_output.
2992 (maybe_tweak): Update sym->chosen.
2993 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2995 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2998 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3000 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3002 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3003 having the same mode as previous compare.
3005 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3007 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3008 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3009 (nonlocal_goto_internal): Likewise.
3010 (nonlocal_goto): Emit a use and an indirect jump directly.
3012 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3015 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3016 __atomic_{is,always}_lock_free.
3018 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3021 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3022 negative constant address for x32.
3024 2012-02-10 Richard Henderson <rth@redhat.com>
3026 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3027 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3028 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3030 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3031 Ira Rosen <irar@il.ibm.com>
3033 PR tree-optimization/50031
3034 * targhooks.c (default_builtin_vectorization_cost): Handle
3036 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3037 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3038 all types of reduction and pattern statements.
3039 (vect_estimate_min_profitable_iters): Likewise.
3040 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3041 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3042 for explicit realigns.
3043 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3044 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3046 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3047 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3048 vec_perm for VSX and handle vec_promote_demote.
3050 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3053 * builtins.c (fold_builtin_atomic_always_lock_free,
3054 expand_builtin_atomic_always_lock_free,
3055 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3056 Return and/or test boolean_true_node/boolean_false_node instead of
3057 integer_one_node/integer_zero_node.
3059 2012-02-10 Jan Hubicka <jh@suse.cz>
3062 * predict.c (predict_paths_for_bb): Prevent looping.
3063 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3065 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3067 * config/arm/arm.c (output_move_double): In one case properly
3068 count number of instructions that will be emitted.
3070 2012-02-10 Richard Guenther <rguenther@suse.de>
3072 PR translation/52193
3073 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3075 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3078 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3080 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3083 * var-tracking.c (emit_note_insn_var_location): If
3084 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3085 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3086 non-NOTE_DURING_CALL_P insn.
3088 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3091 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3093 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3096 * gcc.c (switch_matches) Support switches with separated form,
3099 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3101 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3103 (RAMPZ_ADDR): Ditto.
3104 * config/avr/avr.c (avr_addr_t): New typedef.
3105 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3106 (avr_init_expanders): Initialize it.
3107 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3109 (expand_epilogue): Ditto.
3110 (avr_print_operand): Ditto.
3111 (avr_file_start): Ditto.
3112 (avr_emit_movmemhi): Ditto.
3114 2012-02-08 Richard Guenther <rguenther@suse.de>
3116 PR tree-optimization/46886
3117 * tree-flow.h (do_while_loop_p): Declare.
3118 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3119 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3121 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3123 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3124 always succeed for integers larger than a native word.
3126 2012-02-08 Richard Guenther <rguenther@suse.de>
3128 PR rtl-optimization/52170
3129 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3130 properly handle integer vector modes.
3132 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3134 PR gcov-profile/52150
3135 * coverage.c: Include target.h.
3136 (build_var): Call targetm.strip_name_encoding on the assembler name.
3137 Change one _ into . or $ if the target allows it.
3138 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3140 PR rtl-optimization/52139
3141 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3142 is a BARRIER after emit_insn_after_noloc, move BB_END
3143 to the last non-BARRIER insn before it.
3145 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3148 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3149 (mips_gimplify_va_arg_expr): Call it instead of
3150 std_gimplify_va_arg_expr.
3152 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3154 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3155 message for -mno-pointers-to-nested-function.
3157 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3160 * expr.c (get_inner_reference): If there is an offset, add a negative
3161 bit position to it (if any).
3163 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3165 PR rtl-optimization/52060
3166 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3167 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3168 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3169 and/or i0src_copy2 when needed.
3171 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3173 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3174 or LTOPLUGINSONAME if have_c.
3176 * config/freebsd-spec.h: Add comment about what macros can be defined
3178 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3179 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3182 2012-02-07 Richard Guenther <rguenther@suse.de>
3184 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3185 newline in -alias dumps.
3187 2012-02-07 Kai Tietz <ktietz@redhat.com>
3188 Dave Korn <dave.korn.cygwin@gmail.com>
3191 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3192 Take care that typinfo gets dllexport-attribute.
3194 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3197 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3198 if modifier < EXPAND_SUM call force_operand on the result.
3200 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3202 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3203 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3205 (epiphany_function_type): Replace types for specific interrupts with
3206 EPIPHANY_FUNCTION_INTERRUPT.
3207 (EPIPHANY_INTERRUPT_P): Update.
3208 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3209 New static function.
3210 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3211 <disinterrupt>: Affects type identity.
3212 (epiphany_handle_interrupt_attribute): Handle variable number of
3214 (epiphany_compute_function_type): Update for new
3215 epiphany_function_type definition.
3216 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3217 handlers with a longcall forwarder.
3218 (epiphany_start_function): Handle multiple interrupt arguments and/or
3219 forwarder_section attribute.
3221 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3224 2012-02-07 Alan Modra <amodra@gmail.com>
3227 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3230 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3232 PR tree-optimization/50969
3233 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3234 use vec_perm rather than vector_stmt.
3235 (vect_model_load_cost): Likewise.
3236 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3237 vec_perm to be the same as other vector statements.
3238 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3239 cost of vec_perm for TARGET_VSX.
3241 2012-02-06 Richard Guenther <rguenther@suse.de>
3243 PR tree-optimization/52115
3244 * tree-sra.c (access_has_replacements_p): New function.
3245 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3247 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3250 * trans-mem.c (expand_call_tm): Add an assertion.
3251 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3254 2012-02-06 Richard Guenther <rguenther@suse.de>
3256 PR tree-optimization/50955
3257 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3258 raise cost of expressions that replace an address with an
3259 expression based on a different pointer.
3261 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3264 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3265 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3267 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3270 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3271 -Weffc++ and specify guidelines come from second edition.
3273 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3275 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3276 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3277 (call_direct_split, call_value_split, call_value_internal_direct)
3278 (call_value_direct_split, call_value_multiple_split): Use jal and
3279 jal_macro attributes.
3281 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3283 * reload1.c (reload_regs_reach_end_p): Replace with...
3284 (reload_reg_rtx_reaches_end_p): ...this function.
3285 (new_spill_reg_store): Update commentary.
3286 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3287 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3288 before setting new_spill_reg_store.
3289 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3290 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3291 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3292 for non-spill reload registers.
3294 2012-02-05 Ira Rosen <irar@il.ibm.com>
3296 PR tree-optimization/52091
3297 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3298 (vect_is_simple_use_1): Likewise.
3299 * tree-vect-loop.c (vectorizable_reduction): Update calls
3300 to vect_is_simple_use_1 and vect_is_simple_use.
3301 (vectorizable_live_operation): Likewise.
3302 * tree-vect-patterns.c (widened_name_p,
3303 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3304 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3305 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3306 vectorizable_shift,vectorizable_operation, vectorizable_store,
3307 vectorizable_load): Likewise.
3308 (vect_is_simple_cond): Add an argument, pass it to
3309 vect_is_simple_use_1.
3310 (vectorizable_condition): Update calls to vect_is_simple_cond,
3312 (vect_is_simple_use): Add an argument, the statement in which
3313 OPERAND is used. Check that if OPERAND's def stmt is a double
3314 reduction phi node, the use is a phi node too.
3315 (vect_is_simple_use_1): Add an argument, pass it to
3317 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3318 to vect_is_simple_use.
3320 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3322 PR rtl-optimization/52095
3323 * modulo-sched.c (dump_insn_locator): New function.
3324 (loop_canon_p, sms_schedule): Use it.
3326 PR rtl-optimization/52113
3327 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3328 even for decomposable shift/zext insns.
3330 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3331 Zdenek Dvorak <ook@ucw.cz>
3333 PR rtl-optimization/52092
3334 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3335 on get_iv_value result.
3337 2012-02-02 Andrew Pinski <apinski@cavium.com>
3341 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3343 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3346 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3348 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3350 PR rtl-optimization/49800
3351 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3352 (sched_finish): Call regstat_free_n_sets_and_refs.
3354 2012-02-02 Jia Liu <proljc@gmail.com>
3356 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3359 2012-02-02 Jan Hubicka <jh@suse.cz>
3360 Tom de Vries <tom@codesourcery.com>
3363 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3364 * varpool.c (varpool_analyze_pending_decls): Likewise.
3366 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3367 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3369 * config.gcc: Add cr16-* support.
3371 * doc/extend.texi: Document cr16 extensions.
3372 * doc/install.texi: Document cr16 install.
3373 * doc/invoke.texi: Document cr16 options.
3374 * doc/md.texi: Document cr16 constraints.
3376 * common/config/cr16/cr16-common.c: New file.
3377 * config/cr16/cr16.c: New file.
3378 * config/cr16/cr16.h: New file.
3379 * config/cr16/cr16.md: New file.
3380 * config/cr16/cr16.opt: New file.
3381 * config/cr16/cr16-protos.h: New file.
3382 * config/cr16/predicates.md: New file.
3383 * config/cr16/constraints.md: New file.
3384 * config/cr16/t-cr16: New file.
3386 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3389 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3390 that operands[2] is either immediate, or q_regs_operand.
3392 PR tree-optimization/52073
3393 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3394 a pattern stmt for pattern uses, ignore uses outside of the loop.
3396 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3398 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3399 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3400 (OUT_AS1, OUT_AS2): Remove.
3402 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3404 PR rtl-optimization/51374
3405 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3406 to cross other volatile_refs_p insns.
3408 2012-02-01 Richard Guenther <rguenther@suse.de>
3410 * doc/invoke.texi (fno-inline): Clarify documentation.
3411 (finline-small-functions): Likewise.
3412 (finline-functions): Likewise.
3413 * common.opt (finline): Adjust comment and documentation.
3414 (finline-small-functions): Clarify documentation.
3415 (finline-functions): Likewise.
3416 (finline-functions-called-once): Likewise.
3418 2012-02-01 Tristan Gingold <gingold@adacore.com>
3420 * c-typeck.c (composite_type): Keep mode for pointers.
3422 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3424 * function.h (regno_reg_rtx): Adjust comment.
3425 * reginfo.c (init_reg_modes_target): Only use the previous mode
3426 if it fits within one register. Remove MIPS comment.
3428 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3431 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3433 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3435 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3436 to srak instruction.
3438 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3440 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3442 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3447 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3449 2012-01-31 Richard Guenther <rguenther@suse.de>
3451 PR tree-optimization/51528
3452 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3455 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3460 * ree.c (add_removable_extension): Change def_map argument
3461 to unsigned *, store in def_map 1 + offset into *insn_list vector
3462 instead of pointers into the vector.
3463 (find_removable_extensions): Adjust caller.
3465 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3467 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3468 Transform all "* quoted-c-code" to { c-code }.
3469 Remove redundant test for "optimize" in combine patterns.
3470 Move (include "avr-dimode.md") to end of file.
3472 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3475 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3476 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3478 2012-01-30 Richard Guenther <rguenther@suse.de>
3480 PR tree-optimization/52028
3481 * tree-loop-distribution.c (ldist_gen): Properly update
3484 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3487 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3488 set_cur_line_info_table if not emitting debug info.
3490 PR tree-optimization/52046
3491 * tree-vect-patterns.c (check_bool_pattern): Give up if
3492 a comparison could throw.
3495 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3497 2012-01-30 Richard Guenther <rguenther@suse.de>
3499 PR tree-optimization/52045
3500 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3501 SSA form if cfgcleanup did anything.
3503 2012-01-30 Richard Guenther <rguenther@suse.de>
3505 PR tree-optimization/52045
3506 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3507 before computing final todo.
3509 2012-01-30 Richard Guenther <rguenther@suse.de>
3511 PR tree-optimization/51528
3512 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3515 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3517 * df-problems.c (df_kill_notes): Check that the use refers
3518 to the note under examination.
3520 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3523 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3524 parameter and use short-lived pseudos.
3525 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3526 (sparc_expand_vector_init): Const-ify local variables and adjust
3527 calls to above functions.
3529 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3531 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3533 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3535 * doc/invoke.texi: Make usage of "compile time" and
3536 "run time"/"runtime" consistent throughout the file.
3538 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3540 * config/alpha/alpha.c (alpha_option_override): Default to
3541 full IEEE compliance mode for Go language.
3543 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3545 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3546 (LINK_SSP_SPEC): Define.
3548 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3551 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3554 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3556 * doc/invoke.texi: Correct hyphenation of "floating point",
3557 "double precision", and related terminology throughout the file.
3559 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3562 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3563 arm_general_register_operand predicate for operand 2 instead of
3566 2012-01-27 Ian Lance Taylor <iant@google.com>
3569 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3570 * builtins.c (expand_builtin_init_trampoline): Add onstack
3571 parameter. Change caller.
3572 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3573 * tree.c (build_common_builtin_nodes): Declare
3574 __builtin_init_heap_trampoline.
3576 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3578 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3579 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3580 * config/avr/avr.c: Ditto.
3581 (avr_regnames): Remove because unused.
3582 * config/avr/avr.md (*cpse.ne): New peephole.
3583 (*cpse.eq): New peephole from former cpse peepholes.
3585 2012-01-27 Michael Eager <eager@eagercon.com>
3587 * config/microblaze.c (microblaze_emit_compare): Correct
3588 test after pcmp instruction.
3590 2012-01-27 Richard Guenther <rguenther@suse.de>
3592 PR tree-optimization/52020
3593 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3595 2012-01-27 Richard Guenther <rguenther@suse.de>
3597 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3598 function non-const/pure.
3600 2012-01-27 Richard Guenther <rguenther@suse.de>
3602 PR tree-optimization/50444
3603 * tree-sra.c (build_ref_for_offset): Properly adjust the
3604 MEM_REF type for unaligned accesses.
3606 2012-01-27 Richard Guenther <rguenther@suse.de>
3608 PR tree-optimization/50444
3609 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3610 (expand_assignment): Use it. Properly handle misaligned
3611 bases when expanding stores to component references.
3612 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3615 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3618 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3619 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3620 * tree-data-ref.c (find_data_references_in_loop): Make static.
3621 (compute_all_dependences): Change return type to bool. Bail out
3622 for too many datarefs in a loop. Move the hunk resetting the data
3623 dependences vector from ...
3624 (compute_data_dependences_for_loop): ... here. Account for
3625 compute_all_dependences returning false.
3626 (compute_data_dependences_for_bb): Likewise.
3627 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3628 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3630 2012-01-27 Richard Guenther <rguenther@suse.de>
3633 * expr.c (store_field): Use the alias-set of the scratch memory
3636 2012-01-27 Tom de Vries <tom@codesourcery.com>
3638 PR tree-optimization/51990
3639 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3641 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3643 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3646 * var-tracking.c (reverse_op): Don't add any reverse operation
3647 if V already has any constant locations.
3649 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3651 * doc/invoke.texi: Correct usage of "command line" (noun)
3652 vs "command-line" (adjective) throughout.
3654 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3656 * doc/invoke.texi (Language Independent Options): Move
3657 -Wcoverage-mismatch blurb from here....
3658 (Warning Options): ...to here.
3660 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3662 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3663 Set rs6000_always_hint to false for 476.
3665 2012-01-27 Matthias Klose <doko@ubuntu.com>
3667 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3669 * incpath.c (add_standard_paths): Likewise.
3671 2012-01-27 Richard Henderson <rth@redhat.com>
3673 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3674 * config/m68k/sync.md (atomic_test_and_set): Rename from
3675 sync_test_and_setqi and adjust the operands.
3676 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3677 and unconditionally enable.
3679 2012-01-27 Richard Henderson <rth@redhat.com>
3681 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3682 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3683 (ldstub): Rename from ldstubqi.
3684 (ldstub<I24MODE>): Remove.
3686 2012-01-27 Richard Henderson <rth@redhat.com>
3688 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3689 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3690 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3691 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3692 * doc/tm.texi: Rebuild.
3694 2012-01-27 Richard Henderson <rth@redhat.com>
3696 * optabs.c (gen_atomic_test_and_set): Remove default.
3697 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3699 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3701 PR rtl-optimization/51978
3702 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3703 (combine_reaching_defs): Likewise.
3704 (struct re_info): Remove.
3705 (add_removable_extension): Remove x and data arguments,
3706 add insn, insn_list and def_map. Use the arguments directly
3707 instead of using struct re_info.
3708 (find_removable_extensions): Don't call add_removable_extension
3709 through note_stores, instead just call it with single_set
3711 (find_and_remove_re): Pass curr_cand->expr instead of
3712 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3714 2012-01-26 Michael Matz <matz@suse.de>
3716 PR tree-optimization/46590
3717 * cfgexpand.c: Revert last change (r183305).
3718 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3720 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3721 checking for emptiness.
3723 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3726 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3727 non-addressable non-BLKmode base correctly.
3729 2012-01-26 Michael Matz <matz@suse.de>
3731 PR tree-optimization/48794
3732 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3733 regions referenced from RESX/EH_DISPATCH.
3735 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3737 * config/s390/s390.h: Make BRANCH_COST an option.
3738 * config/s390/s390.opt: New option -mbranch-cost.
3740 2012-01-26 Richard Henderson <rth@redhat.com>
3742 Revert 2012-01-24 change:
3743 * trans-mem.c (requires_barrier): Do not instrument thread local
3744 variables and emit save/restore for them.
3746 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3749 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3752 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3754 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3757 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3760 Rename __pgm to __flash.
3761 Rename __pgm1 to __flash1.
3762 Rename __pgm2 to __flash2.
3763 Rename __pgm3 to __flash3.
3764 Rename __pgm4 to __flash4.
3765 Rename __pgm5 to __flash5.
3766 Rename __pgmx to __memx.
3767 * doc/extend.texi (AVR Named Address Spaces)
3768 Rename address space names as indicated above.
3769 * config/avr/avr.c (avr_addrspace): Ditto.
3771 * config/avr/avr-protos.h
3772 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3773 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3774 * config/avr/predicates.md: Ditto.
3775 * config/avr/avr.c Ditto, and
3776 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3777 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3779 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3780 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3781 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3782 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3783 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3784 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3785 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3786 * config/avr/avr.c: Ditto.
3787 * config/avr/avr.md: Ditto.
3789 2012-01-25 Jason Merrill <jason@redhat.com>
3792 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3794 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3796 PR tree-optimization/51987
3797 * tree-data-ref.c (get_references_in_stmt): Handle references in
3798 non-volatile GIMPLE_ASM.
3800 2012-01-25 Richard Guenther <rguenther@suse.de>
3802 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3803 bases are dereferenced.
3805 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3807 PR rtl-optimization/48374
3808 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3810 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3812 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3813 compute_data_dependences_for_loop returns false.
3814 * tree-parloops.c (loop_parallel_p): Likewise.
3816 2012-01-25 Richard Guenther <rguenther@suse.de>
3818 * tree.h (get_pointer_alignment_1): Declare.
3819 * builtins.c (get_pointer_alignment_1): New function.
3820 (get_pointer_alignment): Use it.
3822 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3824 PR rtl-optimization/48308
3825 * combine.c (enum undo_kind): Add UNDO_LINKS.
3826 (struct undo): Add member l to other_contents and where.
3827 (do_SUBST_LINK): New.
3829 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3830 (undo_all): Handle UNDO_LINKS.
3832 2012-01-25 Richard Henderson <rth@redhat.com>
3834 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3837 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3839 * optabs.c (gen_atomic_test_and_set): Use each argument.
3841 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3843 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3844 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3845 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3846 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3847 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3848 TARGET_PAIRED_SINGLE_FLOAT.
3850 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3852 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3853 (in_struct, return_val): Remove MEM documentation.
3854 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3855 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3856 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3858 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3859 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3860 * expr.c (store_field): Likewise.
3861 * function.c (assign_stack_temp_for_type): Likewise.
3862 * ifcvt.c (noce_try_cmove_arith): Likewise.
3863 * reload1.c (reload): Likewise.
3864 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3865 (alpha_set_memflags): Likewise.
3866 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3868 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3870 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3872 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3873 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3874 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3876 * cselib.c (cselib_rtx_varies_p): Delete.
3877 (cselib_invalidate_mem): Update call to canon_true_dependence.
3878 * dse.c (record_store, check_mem_read_rtx): Likewise.
3879 (scan_reads_nospill): Likewise.
3880 * cse.c (check_dependence): Likewise.
3881 (cse_rtx_varies_p): Delete.
3882 * expr.c (safe_from_p): Update call to true_dependence.
3883 * ira.c (validate_equiv_mem_from_store): Likewise.
3884 (memref_referenced_p): Likewise.
3885 * postreload-gcse.c (find_mem_conflicts): Likewise.
3886 * sched-deps.c (sched_analyze_2): Likewise.
3887 * store-motion.c (load_kills_store): Likewise.
3888 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3889 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3890 (compute_transp): Update call to canon_true_dependence.
3892 2012-01-25 Richard Henderson <rth@redhat.com>
3894 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3895 (maybe_emit_atomic_test_and_set): New.
3896 (expand_sync_lock_test_and_set): Use it.
3897 (expand_atomic_test_and_set): Likewise.
3898 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3899 the implementation; clarify implementation defined details.
3900 * doc/md.texi (atomic_test_and_set): Document.
3902 2012-01-25 Richard Henderson <rth@redhat.com>
3904 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3906 2012-01-25 Richard Henderson <rth@redhat.com>
3909 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3910 to effect no-op split.
3912 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3915 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3916 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3917 (BT_FN_VOID_PTR_INT_SIZE): New.
3918 (BT_FN_UINT_UINT_VAR): Remove.
3919 (BT_FN_UINT32_UINT32_VAR): New.
3920 (BT_FN_DOUBLE_VPTR): Remove.
3921 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3923 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3924 (_ITM_changeTransactionMode): Same.
3925 (_ITM_memmoveRtWt): Change return type to void.
3926 (_ITM_memcpyRtWt): Same.
3927 (_ITM_memsetW): Same.
3928 (_ITM_RaRD): Change types to double.
3933 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3935 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3936 Patrick Marlier <patrick.marlier@gmail.com>
3938 * trans-mem.c (requires_barrier): Do not instrument thread local
3939 variables and emit save/restore for them.
3941 2012-01-24 Jason Merrill <jason@redhat.com>
3944 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3945 output static aliases.
3947 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3950 * common.opt (-pie, -shared, pie, shared): Change from Common to
3952 * gcc.c (display_help): Display help for -pie and -shared.
3954 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3957 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3958 Remove note on size/offset limitation.
3959 (AVR Variable Attributes): Add example how to read data located
3960 with progmem. Refer to named address spaces.
3961 * doc/invoke.texi (AVR Options): Fix typo.
3963 2012-01-24 Richard Guenther <rguenther@suse.de>
3965 Forward-port to trunk
3966 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3969 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3970 op0 isn't sufficiently aligned and there is movmisalignM
3971 insn for mode, use it to load op0 into a temporary register.
3973 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3976 * target.def (const_not_ok_for_debug_p): New hook.
3977 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3979 * doc/tm.texi: Regenerated.
3980 * dwarf2out.c (const_ok_for_output_1): If
3981 targetm.const_not_ok_for_debug_p returns true, fail.
3982 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3984 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3986 2012-01-23 Kai Tietz <ktietz@redhat.com>
3989 * config/i386/predicates.md (symbolic_operand): Allow
3990 UNSPEC_PCREL as PIC expression for lea.
3991 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3992 * config/i386/i386.c (ix86_delegitimize_address): Handle
3993 UNSPEC_PCREL for none-MEM, too.
3995 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3997 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3998 (ipa_tm_create_version_alias): Same.
4000 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4003 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4004 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4006 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4007 Patrick Marlier <patrick.marlier@gmail.com>
4008 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4011 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4012 simple_object_start_read.
4014 2012-01-23 Richard Guenther <rguenther@suse.de>
4017 PR tree-optimization/51895
4018 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4019 parameter decomposition into BLKmode components.
4021 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4023 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4024 fake variables for restrict-qualified pointers whose pointed-to type
4025 contains a placeholder.
4027 2012-01-23 Richard Guenther <rguenther@suse.de>
4029 PR tree-optimization/51949
4030 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4032 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4034 PR rtl-optimization/51933
4035 * ree.c (transform_ifelse): Return true right away if dstreg is
4036 already wider or equal to cand->mode.
4037 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4038 (make_defs_and_copies_lists): Remove defs_list and copies_list
4039 arguments, add state argument, just truncate state->work_list
4040 instead of always allocating and freeing the vector. Assert that
4041 get_defs succeeds instead of returning 2. Changed return type to bool.
4042 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4043 have ext_src_mode, see if it has been modified already with the
4044 right kind of extension and has been extended before from the
4045 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4046 just return true. Remember the original mode in state->modified array.
4047 (combine_reaching_defs): Add state argument. Don't allocate and
4048 free here def_list, copied_list and vec vectors, instead just
4049 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4050 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4051 Add state variable, clear vectors in it, initialize state.modified
4052 if needed. Free all the vectors at the end and state.modified too.
4053 Don't skip a candidate if the extension expression has been modified.
4055 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4058 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4059 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4060 (extra_options) interix.opt -> i386/interix.opt"
4061 (extra_objs):Add winnt-stubs.o
4062 * configure.ac: Add interix to target_os .comm on PE check.
4063 * configure: Regenerate.
4064 * config/interix3.h: Delete and move bits to..
4065 * config/interix.h: Delete and move bits to..
4066 * config/i386/i386-interix3.h: Delete and move bits to..
4067 * config/i386/i386-interix.h: ..here.
4068 (TARGET_CPU_DEFAULT): Remove redefinition.
4069 (TARGET_ASM_CONSTRUCTOR): Undefine.
4070 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4071 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4072 (PTRDIFF_TYPE): Define.
4073 (LONG_DOUBLE_TYPE_SIZE): Define.
4074 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4075 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4076 (TARGET_SECTION_TYPE_FLAGS): Define.
4077 (ASM_DECLARE_FUNCTION_NAME): Define.
4078 (ASM_OUTPUT_EXTERNAL): Define.
4079 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4080 (ASM_OUTPUT_ALIGNED_BSS): Define.
4081 (PCC_BITFIELD_TYPE_MATTERS): Define.
4082 (USE_CONST_SECTION): Define.
4083 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4084 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4085 (SUPPORTS_ONE_ONLY): Remove.
4086 (I386_PE_STRIP_ENCODING): Define.
4087 * config/interix.opt: Delete and move bits to..
4088 * config/i386/interix.opt: ..here. New.
4089 (mpe-aligned-commons): Add.
4090 * config/i386/t-interix: Add copyright header.
4091 (winnt-stubs.o): Add rule.
4093 2012-01-22 Jason Merrill <jason@redhat.com>
4096 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4097 for extra name aliases.
4099 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4101 PR rtl-optimization/51924
4102 * ree.c (combine_set_extension): Improve debugging message.
4103 (combine_reaching_defs): Likewise.
4104 (get_defs): Rename confusingly named variable.
4105 (find_and_remove_re): Skip a candidate if the extension expression has
4108 2012-01-21 Robert Millan <rmh@gnu.org>
4109 Gerald Pfeifer <gerald@pfeifer.com>
4111 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4112 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4114 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4116 PR tree-optimization/51914
4117 * tree-vect-stmts.c (vectorizable_conversion): For
4118 cvt_type && modifier == WIDEN, put temporary with cvt_type
4119 at the beginning of vec_dsts and set vec_dest to temporary
4122 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4124 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4126 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4128 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4129 * config/rs6000/rs6000.c: Likewise.
4131 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4134 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4135 output_move_double on a copy of operands array.
4137 2012-01-20 Cary Coutant <ccoutant@google.com>
4138 Dodji Seketeli <dodji@redhat.com>
4141 * dwarf2out.c (copy_declaration_context): Return ref to parent
4142 of declaration DIE, if necessary.
4143 (remove_child_or_replace_with_skeleton): Add new parameter; update
4144 caller. Place skeleton DIE under parent DIE of original declaration.
4145 Move call to copy_declaration_context to here ...
4146 (break_out_comdat_types): ... from here.
4148 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4150 PR rtl-optimization/51856
4151 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4154 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4157 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4158 hints for neon loads and stores.
4160 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4164 * doc/extend.texi (Named Address Spaces): Split into subsections.
4165 (AVR Named Address Spaces): New subsection.
4166 (M32C Named Address Spaces): New subsection.
4167 (RL78 Named Address Spaces): New subsection.
4168 (SPU Named Address Spaces): New subsection.
4169 (Variable Attributes): New anchor "AVR Variable Attributes".
4170 (AVR Variable Attributes): Rewrite and avoid wording
4171 "address space" in this context.
4172 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4173 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4174 (AVR Built-in Macros): New subsubsection therein.
4175 * doc/md.texi (AVR constraints): Remove "C04", "R".
4177 2012-01-20 Richard Guenther <rguenther@suse.de>
4179 PR tree-optimization/51903
4180 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4181 when removing stmts.
4183 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4186 * config/arm/arm.c (arm_load_pic_register): Use
4187 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4188 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4189 (arm_pic_static_addr): Likewise.
4190 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4191 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4192 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4193 (pic_load_addr_unified): New.
4195 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4198 * function.c (instantiate_virtual_regs_in_insn): Use
4199 delete_insn_and_edges when removing a wrong asm insn.
4201 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4203 PR rtl-optimization/40761
4204 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4205 Add new member loop_num.
4206 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4207 (ira_build): Remove the parameter.
4209 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4210 (ira.c): Do not build CFG loops for one region allocation. Remove
4211 argument from ira_build call.
4213 * ira-build.c (init_loop_tree_node): New function.
4214 (create_loop_tree_nodes): Use it. Separate the case when CFG
4215 loops are not built.
4216 (more_one_region_p): Check current_loops.
4217 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4219 (add_loop_to_tree): Process loop equal to NULL too.
4220 (form_loop_tree): Separate the case when CFG loops are not built.
4221 Use explicitly number for the root.
4222 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4224 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4225 instead of loop->num.
4226 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4227 (mark_all_loops_for_removal): Ditto.
4228 (remove_unnecessary_regions): Separate the case when CFG loops
4230 (ira_build): Remove the parameter. Use explicit number of regions
4231 when CFG loops are not built.
4233 * ira-color.c (print_loop_title): Separate the case for the root node.
4234 Use loop_num instead of loop->num.
4235 (move_spill_restore): Use loop_num instead of loop->num.
4237 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4238 (change_loop): Ditto.
4239 (change_loop): Use loop_num instead of loop->num.
4241 * ira-lives.c (process_bb_node_lives): Ditto.
4243 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4245 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4247 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4250 * tree-mudflap.c (mf_artificial): New function.
4251 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4252 mx_register_decls, mudflap_enqueue_decl): Use it.
4255 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4256 numbers in the insn pattern.
4258 2012-01-19 Michael Matz <matz@suse.de>
4260 PR tree-optimization/46590
4261 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4262 use it in remembering which conflicts we already created.
4263 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4266 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4269 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4270 (merge_and_complain): Same.
4272 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4275 * config/initfini-array.h: Guard content of the header
4276 with #ifdef HAVE_INITFINI_ARRAY.
4277 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4278 Add initfini-array.h to tm_file here.
4279 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4280 * config.gcc: Don't add initfini-array.h to tm_file here.
4281 * configure: Regenerated.
4283 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4285 PR rtl-optimization/51505
4286 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4287 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4288 (df_note_bb_compute): Update the call to df_kill_notes.
4290 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4292 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4294 2012-01-18 Richard Guenther <rguenther@suse.de>
4296 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4297 of conversions to void *.
4299 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4300 Richard Sandiford <rdsandiford@googlemail.com>
4304 * optabs.h (simplify_expand_binop): Declare.
4305 * optabs.c (simplify_expand_binop): Make global.
4306 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4307 endian targets if the source cannot be exactly covered by word
4310 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4313 * hard-reg-set.h (struct hard_reg_set_container): New type.
4314 * target.h (struct hard_reg_set_container): Forward declare.
4315 * target.def (set_up_by_prologue): New target hook.
4316 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4317 * doc/tm.texi: Regenerated.
4318 * function.c (thread_prologue_and_epilogue_insns): Change
4319 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4320 Call targetm.set_up_by_prologue on it.
4321 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4322 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4324 2012-01-17 Nick Clifton <nickc@redhat.com>
4326 * config/rx/rx.c (rx_can_use_simple_return): New function.
4327 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4328 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4330 2012-01-17 Richard Guenther <rguenther@suse.de>
4333 * expr.c (expand_assignment): Take address-space information
4334 from the address operand of MEM_REF and TARGET_MEM_REF.
4335 (expand_expr_real_1): Likewise.
4337 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4339 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4340 reload dump is requested.
4342 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4345 * trans-mem.c (requires_barrier): Call may_be_aliased.
4347 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4349 PR tree-optimization/51877
4350 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4351 call arguments and fndecls compare equal, instead return false if they
4352 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4353 both SSA_NAMEs that are valueized the same, or they satisfy
4356 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4358 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4360 * configure: Regenerate.
4362 2012-01-16 Jan Hubicka <jh@suse.cz>
4366 * convert.c (convert_to_integer): Use fold_convert for
4367 converting an INTEGER_CST to integer type.
4369 2012-01-16 Jason Merrill <jason@redhat.com>
4372 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4374 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4377 * config/s390/s390.c (s390_chunkify_start): Don't skip
4378 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4379 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4380 If insn is followed by NOTE_INSN_VAR_LOCATION or
4381 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4382 Don't use location of note insns.
4384 PR tree-optimization/51865
4385 * tree-inline.c (tree_function_versioning): Call remap_decl
4386 on DECL_RESULT whenever it has VOID_TYPE_P type.
4388 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4390 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4391 for calls to locally-binding MIPS16 functions if only the return
4392 type uses float regs.
4394 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4395 Richard Sandiford <rdsandiford@googlemail.com>
4397 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4398 (SYMBOL_32_HIGH): Likewise.
4399 (mips_output_tls_reloc_directive): Declare.
4400 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4401 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4402 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4403 (mips_lo_relocs, mips_hi_relocs): Make extern.
4404 (mips16_stub_function): Move up file.
4405 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4406 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4407 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4408 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4409 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4410 (mips_get_tp): Add MIPS16 support.
4411 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4412 Generalize DTPREL and TPREL handling.
4413 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4414 Add MIPS16 TLS support.
4415 (mips_output_tls_reloc_directive): New function.
4416 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4417 * config/mips/predicates.md (symbolic_operand_with_high)
4418 (tls_reloc_operand): New predicates.
4419 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4420 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4421 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4422 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4423 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4424 (*tls_get_tp_mips16_call_<mode>): Likewise.
4426 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4428 PR rtl-optimization/51821
4429 * recog.c (peep2_find_free_register): Determine clobbered registers
4432 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4435 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4436 * config/avr/avr.c: Likewise.
4437 * config/avr/avr.h: Likewise.
4439 2012-01-13 Ian Lance Taylor <iant@google.com>
4442 * tree.h (TYPE_QUALS): Add cast to int.
4443 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4445 2012-01-13 Ian Lance Taylor <iant@google.com>
4447 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4448 comparing param_index to VEC_length result.
4450 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4452 * c-decl.c: Do not include tree-mudflap.h
4453 * tree-optimize.c: Likewise.
4454 * Makefile.in: Update dependencies.
4456 2012-01-13 Richard Guenther <rguenther@suse.de>
4459 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4460 variable-sized result always use RSO.
4462 2012-01-12 DJ Delorie <dj@redhat.com>
4464 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4465 pointer type, not just the default pointer type.
4467 2012-01-09 Richard Henderson <rth@redhat.com>
4468 Denis Chertykov <chertykov@gmail.com>
4471 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4472 * config/avr/avr.c (avr_can_eliminate): Simplify.
4473 (avr_initial_elimination_offset): Likewise.
4474 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4475 (expand_epilogue): Likewise.
4476 (avr_legitimize_address): Gut.
4477 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4478 (avr_hard_regno_nregs): New.
4479 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4480 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4481 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4482 add soft frame pointer.
4483 (CALL_USED_REGISTERS): Likewise.
4484 (REG_CLASS_CONTENTS): Likewise.
4485 (REGISTER_NAMES): Likewise.
4486 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4487 (HARD_FRAME_POINTER_REGNUM): New.
4488 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4489 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4490 remove the HARD_FRAME_POINTER self-elimination.
4492 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4495 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4496 DECL_EXTERNAL when checking for initializers of progmem variables.
4498 2012-01-12 Ira Rosen <irar@il.ibm.com>
4500 PR tree-optimization/51799
4501 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4502 that the last operation is a type demotion.
4504 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4506 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4507 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4509 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4512 * combine.c (distribute_notes): If i3 is a noreturn call,
4513 allow old_size to be equal to args_size and make sure the
4514 noreturn call gets REG_ARGS_SIZE note.
4515 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4516 on noreturn calls even when the delta is 0.
4518 2012-01-11 Nathan Sidwell <nathan@acm.org>
4520 * gcov.c (STRING_SIZE): Remove.
4521 (generate_results): Erase annotations for source files with no
4522 coverage information.
4524 (output_lines): Use it.
4526 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4528 * gimple.h (gimplify_body): Remove first argument.
4529 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4530 pointer set here, instead just pass DATA to walk_tree.
4531 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4532 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4533 (unvisit_body): Likewise, but with unmark_visited.
4534 (gimplify_body): Remove BODY_P argument and adjust.
4535 (gimplify_function_tree): Adjust call to gimplify_body.
4536 * omp-low.c (finalize_task_copyfn): Likewise.
4538 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4540 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4541 (build_function_type_skip_args): Delete.
4542 * tree.c (build_function_type_skip_args): Make static and add
4543 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4544 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4545 pass it to build_function_type_skip_args.
4546 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4547 (tree_function_versioning): Likewise.
4548 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4549 build_function_decl_skip_args.
4550 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4551 and pass it to build_function_decl_skip_args/tree_function_versioning.
4552 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4553 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4554 * trans-mem.c (ipa_tm_create_version): Likewise.
4555 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4556 * tree-inline.c (declare_return_variable): Remove always-true test.
4557 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4558 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4559 * ipa-split.c (split_function): Skip the return value for the split
4560 part if it doesn't return.
4562 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4564 PR tree-optimization/49642
4565 * ipa-split.c (forbidden_dominators): New variable.
4566 (check_forbidden_calls): New function.
4567 (dominated_by_forbidden): Likewise.
4568 (consider_split): Check for forbidden dominators.
4569 (execute_split_functions): Initialize and free forbidden
4570 dominators info; call check_forbidden_calls.
4572 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4574 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4576 2012-01-11 Nick Clifton <nickc@redhat.com>
4578 * config/rx/rx.md (return): Define pattern.
4580 2012-01-11 Richard Guenther <rguenther@suse.de>
4582 * doc/extend.texi (malloc attribute): Adjust according to
4585 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4586 Patrick Marlier <patrick.marlier@gmail.com>
4589 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4590 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4591 (ipa_tm_note_irrevocable): Same.
4592 (ipa_tm_scan_irr_block): Same.
4593 (ipa_tm_decrement_clone_counts): Same.
4594 (ipa_tm_scan_irr_function): Same.
4595 (ipa_tm_create_version_alias): Same.
4596 (ipa_tm_create_version): Same.
4597 (ipa_tm_transform_calls_redirect): Same.
4598 (ipa_tm_transform_calls): Same.
4599 (ipa_tm_transform_transaction): Same.
4600 (ipa_tm_execute): Same.
4602 2012-01-10 Richard Guenther <rguenther@suse.de>
4605 * opts.c (common_handle_option): Handle -Werror.
4607 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4609 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4612 2012-01-10 Jason Merrill <jason@redhat.com>
4614 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4617 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4619 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4620 supports R_386_TLS_GD_PLT reloc.
4621 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4622 supports R_386_TLS_LDM_PLT reloc.
4623 * configure: Regenerate.
4624 * config.in: Regenerate.
4626 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4629 Extend __pgmx semantics to linearize memory.
4630 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4631 determine if code comes inline or from libgcc.
4632 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4633 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4634 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4635 (movmemx_qi, movmemx_hi): New insns.
4636 (xload_<mode>_libgcc): Rewrite to new insn condition.
4637 (xload_<mode>): Remove insns.
4638 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4639 cases that don't satisfy avr_xload_libgcc_p().
4640 (avr_addr_space_convert): Allow converting in any direction.
4641 (avr_addr_space_subset_p): Return always true.
4642 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4643 (avr_emit_movmemhi): Ditto.
4644 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4645 (avr_out_movmem): Ditto.
4646 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4647 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4648 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4649 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4650 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4652 2012-01-10 Richard Guenther <rguenther@suse.de>
4654 PR tree-optimization/50913
4655 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4656 Require data-refs to be representable by Graphite with respect
4659 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4661 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4662 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4664 2012-01-10 Tom de Vries <tom@codesourcery.com>
4666 PR rtl-optimization/51271
4667 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4668 handling annulled branch.
4670 2012-01-10 Richard Henderson <rth@redhat.com>
4672 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4673 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4674 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4675 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4676 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4677 arm_expand_vec_perm_const): New.
4678 * config/arm/arm-protos.h: Update.
4679 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4680 (*neon_vswp<VDQX>): New.
4681 (neon_vcombine<VDX>): Use neon_split_vcombine.
4682 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4683 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4684 (vec_perm<VE>): New.
4686 2012-01-10 Richard Henderson <rth@redhat.com>
4688 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4689 use it if reload_completed.
4690 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4691 arm_output_asm_insn, arm_process_output_memory_barrier,
4692 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4693 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4694 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4695 arm_process_output_sync_insn, arm_output_sync_insn,
4696 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4697 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4698 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4699 (emit_unlikely_jump): New.
4700 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4701 (arm_split_atomic_op): New.
4702 * config/arm/arm-protos.h: Update.
4703 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4704 (struct arm_sync_generator): Remove.
4705 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4706 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4707 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4708 (VUNSPEC_LL, VUNSPEC_SC): New.
4709 (sync_result, sync_memory, sync_required_value, sync_new_value,
4710 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4711 (attr length): Don't use arm_sync_loop_insns.
4712 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4713 (movsfcc, movdfcc): Likewise.
4714 * config/arm/constraints.md (Ua): New.
4715 * config/arm/prediates.md (mem_noofs_operand): New.
4716 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4717 (sync_clobber, sync_t2_reqd): Remove.
4718 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4719 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4720 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4721 (arm_sync_compare_and_swap<SIDI>): Remove.
4722 (arm_sync_compare_and_swap<NARROW>): Remove.
4723 (arm_sync_lock_test_and_set<SIDI>): Remove.
4724 (arm_sync_lock_test_and_set<NARROW>): Remove.
4725 (arm_sync_new_<syncop><SIDI>): Remove.
4726 (arm_sync_new_<syncop><NARROW>): Remove.
4727 (arm_sync_new_nand<SIDI>): Remove.
4728 (arm_sync_new_nand<NARROW>): Remove.
4729 (arm_sync_old_<syncop><SIDI>): Remove.
4730 (arm_sync_old_<syncop><NARROW>): Remove.
4731 (arm_sync_old_nand<SIDI>): Remove.
4732 (arm_sync_old_nand<NARROW>): Remove.
4733 (*memory_barrier): Merge arm_output_memory_barrier.
4734 (atomic_compare_and_swap<QHSD>): New.
4735 (atomic_compare_and_swap<NARROW>_1): New.
4736 (atomic_compare_and_swap<SIDI>_1): New.
4737 (atomic_exchange<QHSD>): New.
4738 (cas_cmp_operand, cas_cmp_str): New.
4739 (atomic_op_operand, atomic_op_str): New.
4740 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4741 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4742 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4743 (arm_load_exclusive<NARROW>): New.
4744 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4745 (arm_store_exclusive<QHSD>): New.
4747 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4749 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4750 reload patterns if -mvsx-scalar-memory.
4752 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4753 generated, even -mno-vsx-scalar-double was used.
4754 (vsx_xscvdpsp_scalar): Likewise.
4755 (vsx_xscvspdp_scalar2): Likewise.
4757 2012-01-09 Tom de Vries <tom@codesourcery.com>
4758 Andrew Pinski <apinski@cavium.com>
4761 * reorg.c (fill_slots_from_thread): Don't speculate
4762 frame-related insns.
4764 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4766 * sched-int.h (bb_note): Move to...
4767 * basic-block.h: ...here.
4768 * haifa-sched.c (bb_note): Move to...
4769 * cfgrtl.c: ...here.
4770 * function.c (next_block_for_reg): New function.
4771 (move_insn_for_shrink_wrap): Likewise.
4772 (prepare_shrink_wrap): Rewrite to use the above.
4774 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4776 * gimple.c (is_gimple_non_addressable): Remove.
4777 * gimple.h: Remove is_gimple_non_addressable.
4778 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4779 is_gimple_non_addressable.
4780 * trans-mem.c (expand_assign_tm): Same.
4782 2012-01-09 Richard Guenther <rguenther@suse.de>
4784 PR tree-optimization/51775
4785 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4786 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4788 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4790 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4792 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4794 2012-01-09 Richard Guenther <rguenther@suse.de>
4796 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4798 2012-01-08 Jan Hubicka <jh@suse.cz>
4800 PR tree-optimize/51680
4801 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4802 on when known_vals needs to be computed; cleanup.
4804 2012-01-08 Jan Hubicka <jh@suse.cz>
4806 PR tree-optimize/51694
4807 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4809 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4811 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4812 for -std=c++98 and -std=c++11 too.
4814 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4816 * cfgloop.c (cancel_loop): Add free() of bbs array.
4818 2012-01-07 Jan Hubicka <jh@suse.cz>
4820 PR tree-optimization/51600
4821 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4822 that benefits small functions.
4824 2012-01-07 Jan Hubicka <jh@suse.cz>
4826 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4828 2012-01-07 Jan Hubicka <jh@suse.cz>
4830 PR tree-optimization/51680
4831 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4832 whose inlining reduce unit size.
4834 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4837 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4838 Add canonical node to containing_mem chain after the non-canonical
4839 one, even if there weren't any locs to propagate.
4840 (remove_useless_values): Keep only canonical values.
4841 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4842 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4843 canonicalize mem_chain elements that are not discarded.
4845 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4848 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4849 before emitting functions.
4851 PR gcov-profile/50127
4852 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4853 clear_aux_for_blocks.
4855 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4858 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4860 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4862 * c-decl.c (ext_block): Moved up.
4863 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4865 2012-01-06 Han Shen <shenhan@google.com>
4867 Translate built-in include paths for sysroot.
4868 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4869 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4871 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4872 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4874 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4875 control whether sysroot should be prepended to gxx include dir.
4877 * configure: Regenerate.
4879 2012-01-06 Torvald Riegel <triegel@redhat.com>
4881 PR rtl-optimization/51771
4882 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4883 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4885 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4887 PR tree-optimization/51315
4888 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4889 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4891 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4894 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4895 for shrp pattern. Correctly handle and fixup shift variable.
4896 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4898 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4901 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4902 note when !ACCUMULATE_OUTGOING_ARGS.
4904 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4906 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4908 (extract_range_from_unary_expr_1): Avoid useless computations.
4910 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4912 PR rtl-optimization/51767
4913 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4914 of jump_block and add an extra edge for degenerated asm gotos.
4917 * stmt.c (check_unique_operand_names): Don't ICE during error
4918 reporting if i is from labels chain.
4921 * profile.c (branch_prob): Split bbs that have exit edge
4922 and need a fake entry edge too.
4924 2012-01-05 Jan Hubicka <jh@suse.cz>
4927 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4930 2012-01-05 Richard Guenther <rguenther@suse.de>
4933 * tree-streamer-out.c (write_ts_optimization): New function.
4934 (streamer_write_tree_body): Call it.
4935 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4936 (streamer_read_tree_body): Call it.
4937 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4939 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4942 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4943 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4944 in_cleanup_point_expr before gimplify_stmt call and restore it
4946 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4947 in_cleanup_point_expr is false.
4949 2012-01-05 Richard Guenther <rguenther@suse.de>
4952 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4954 * toplev.c (process_options): Reject combining mudflap and LTO.
4955 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4957 2012-01-05 Richard Guenther <rguenther@suse.de>
4959 PR tree-optimization/51760
4960 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4962 (bit_value_unop): Handle UNDEFINED operands.
4963 (bit_value_binop): Likewise.
4965 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4967 * config/avr/avr.c (avr_replace_prefix): Remove.
4968 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4969 (avr_asm_function_rodata_section): Ditto.
4970 (avr_asm_select_section): Ditto.
4972 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4974 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4977 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4980 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4981 calls that have any non-fake successor edges.
4984 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4986 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4988 PR tree-optimization/51624
4989 * tree-sra.c (build_ref_for_model): When replicating a chain of
4990 COMPONENT_REFs, stop as soon as the offset would become negative.
4992 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4995 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4996 in .debug_loc on the floor.
4998 2012-01-04 Andrew Pinski <apinski@cavium.com>
5000 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5002 2012-01-04 Andrew Pinski <apinski@cavium.com>
5003 Adam Nemet <anemet@caviumnetworks.com>
5005 * config/mips/mips.md (size): Add SI and DI.
5006 (SIZE): New mode attribute.
5007 (U): New code attribute.
5008 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5009 (mips_lbux_<mode>): Delete.
5010 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5011 (mips_lhx): Use gen_mips_lhx_extsi.
5012 (mips_lhx_<mode>): Delete.
5014 (mips_l<size>x): New expand.
5015 (mips_lwx_<mode>): Delete.
5016 (mips_l<GPR:size>x_<P:mode>): New pattern.
5017 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5018 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5019 * config/mips/mips.c (mips_lx_address_p): New function.
5020 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5021 (dsp64): New availability predicate.
5022 (mips_builtins): Add an entry for __builtin_mips_ldx.
5023 * config/mips/mips.h (ISA_HAS_LBX): New define.
5024 (ISA_HAS_LBUX): Likewise.
5025 (ISA_HAS_LHX): Likewise.
5026 (ISA_HAS_LHUX): Likewise.
5027 (ISA_HAS_LWX): Likewise.
5028 (ISA_HAS_LWUX): Likewise.
5029 (ISA_HAS_LDX): Likewise.
5030 * doc/extend.texi (__builtin_mips_ldx): Document.
5032 2012-01-04 Tristan Gingold <gingold@adacore.com>
5034 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5035 when long pointers are used.
5036 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5037 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5038 (ia64-hp-*vms*): Remove.
5039 * config/vms/xm-vms64.h: Delete.
5041 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5044 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5046 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5048 * opts.c (finish_options): Remove duplicate sorry.
5050 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5053 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5056 2012-01-04 Richard Guenther <rguenther@suse.de>
5059 * tree.c (size_low_cst): New function.
5060 * tree.h (size_low_cst): Declare.
5061 * fold-const.c (fold_comparison): Use it to extract the low
5062 part of the POINTER_PLUS_EXPR offset.
5064 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5066 Fix clearing ZERO_REG
5067 * config/avr/avr.md (cc): Add alternative "ldi".
5068 (movqi_insn): Use it in cc attribute.
5069 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5070 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5071 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5073 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5075 * configure: Regenerate.
5077 2012-01-04 Richard Guenther <rguenther@suse.de>
5079 PR tree-optimization/49651
5080 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5081 (var_can_have_subvars): Use it.
5082 (get_constraint_for_1): Only consider subfields if there can be any.
5084 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5087 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5088 to its new canonical_cselib_val and the cselib_val was in
5089 first_containing_mem chain, but the canonical_cselib_val was not,
5090 add the latter into the chain.
5091 (cselib_invalidate_mem): Compare canonical_cselib_val of
5092 addr_list chain elt with v.
5095 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5096 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5098 (output_macinfo_op): Don't ggc_strdup fd->filename.
5099 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5100 then ggc_strdup it. Don't free inc->info or cur->info.
5101 (output_macinfo): Don't free ref->info or file->info.
5103 2012-01-03 Ira Rosen <irar@il.ibm.com>
5105 PR tree-optimization/51269
5106 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5107 first_niters a pointer.
5108 (slpeel_tree_peel_loop_to_edge): Likewise.
5109 (vect_do_peeling_for_loop_bound): Update call to
5110 slpeel_tree_peel_loop_to_edge.
5111 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5112 here. Remove it from the parameters list.
5113 (vect_do_peeling_for_alignment): Update calls and compute
5116 2012-01-03 Richard Guenther <rguenther@suse.de>
5118 PR tree-optimization/51070
5119 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5120 Properly handle calls.
5122 2012-01-03 Richard Guenther <rguenther@suse.de>
5124 PR tree-optimization/51692
5125 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5126 the LHS of allocation stmts.
5128 2012-01-03 Olivier Hainque <hainque@adacore.com>
5130 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5132 2012-01-03 Olivier Hainque <hainque@adacore.com>
5134 * collect2.c (main): In AIX specific computations for vector
5135 insertions, use CONST_CAST2 to cast from char ** to const char **.
5137 2012-01-03 Richard Guenther <rguenther@suse.de>
5140 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5141 the context of a limbo DIE when it does not already exist.
5143 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5145 PR tree-optimization/51719
5146 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5147 but direct call is, clear direct call's lhs and don't add fallthrough
5148 edge from dcall_bb to join_bb and PHIs.
5150 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5152 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5153 the instructions emitted by the pattern.
5154 ("*TDC_insn_<mode>"): Add comment.
5156 2012-01-03 Richard Guenther <rguenther@suse.de>
5159 * fold-const.c (fold_comparison): Properly canonicalize
5160 tree offset and HOST_WIDE_INT bit position.
5162 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5164 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5165 operands for extzv pattern.
5167 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5170 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5173 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5175 * doc/invoke.texi (-flto and related options): Copy-edit.
5177 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5179 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5181 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5183 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5186 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5188 * expr.h (move_by_pieces_ninsns): Declare.
5189 * expr.c (move_by_pieces_ninsns): Make external.
5190 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5191 (mips_store_by_pieces_p): Likewise.
5192 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5193 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5194 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5195 (mips_store_by_pieces_p): Likewise.
5197 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5199 * passes.c (register_one_dump_file): Free full_name.
5201 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5202 (calculate_elim_costs_all_insns): Free offsets_at and
5203 offsets_known_at at the end and clear the pointers.
5205 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5207 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5208 this option introduced in r180739.
5210 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5213 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5214 (tmake_file target=avr): Add avr/t-multilib.
5216 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5217 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5218 * config/avr/genmultilib.awk: New file.
5219 * config/avr/t-multilib: New auto-generated file.
5220 * config/avr/multilib.h: New auto-generated file.
5221 * config/avr/t-avr (AVR_MCUS): New variable.
5222 (genopt.sh): Use it.
5223 (s-mlib): Depend on t-multilib.
5224 (t-multilib, multilib.h): New dependencies.
5225 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5226 (MULTILIB_OPTIONS): Remove.
5227 (MULTILIB_MATCHES): Remove.
5228 (MULTILIB_DIRNAMES): Remove.
5229 (MULTILIB_EXCEPTIONS): Remove:
5230 * config/avr/genopt.sh: Don't use hard coded file name;
5231 pass AVR_MCUS from t-avr instead.
5233 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5235 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5237 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5239 Implement light-weight DImode support.
5240 * config/avr/avr-dimode.md: New file.
5241 * config/avr/avr.md: Include it.
5242 (adjust_len): Add plus64, compare64.
5243 (HIDI): Remove code iterator.
5244 (code_stdname): New code attribute.
5245 (rotx, rotsmode): Remove DI.
5246 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5248 * config/avr/avr-protos.h (avr_have_dimode): New.
5249 (avr_out_plus64, avr_out_compare64): New.
5250 * config/avr/avr.c (avr_out_compare): Handle DImode.
5251 (avr_have_dimode): New variable definition and initialization.
5252 (avr_out_compare64, avr_out_plus64): New functions.
5253 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5254 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5255 (avr_compare_pattern): Skip DImode comparisons.
5257 2012-01-02 Revital Eres <revital.eres@linaro.org>
5259 * ddg.c (def_has_ccmode_p): New function.
5260 (add_cross_iteration_register_deps,
5261 create_ddg_dep_from_intra_loop_link): Call it.
5263 2012-01-02 Richard Guenther <rguenther@suse.de>
5266 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5268 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5270 * gcc.c (process_command): Update copyright notice dates.
5271 * gcov.c (print_version): Likewise.
5272 * gcov-dump.c (print_version): Likewise.
5273 * mips-tfile.c (main): Likewise.
5274 * mips-tdump.c (main): Likewise.
5276 2012-01-01 Ira Rosen <irar@il.ibm.com>
5278 PR tree-optimization/51704
5279 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5280 a use is inside the basic block or loop before accessing its vect info.
5282 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5284 PR rtl-optimization/51069
5285 * cfgloopmanip.c (remove_path): Removing path making irreducible
5286 region unconditional makes BB part of the region.
5288 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5290 PR tree-optimization/51683
5291 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5292 calls with side-effects.
5293 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5295 Copyright (C) 2012 Free Software Foundation, Inc.
5297 Copying and distribution of this file, with or without modification,
5298 are permitted in any medium without royalty provided the copyright
5299 notice and this notice are preserved.