1 2012-07-19 Richard Guenther <rguenther@suse.de>
2 Eric Botcazou <ebotcazou@adacore.com>
4 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
5 about transition from invariant to known bits.
6 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
8 2012-07-19 Jakub Jelinek <jakub@redhat.com>
11 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
12 (cleanup_tree_cfg_bb): Don't call it.
13 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
16 2012-07-19 Christian Bruel <christian.bruel@st.com>
19 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
21 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
23 * config.gcc (v850-*-rtems*): New target.
24 * config/v850/rtems.h: New.
25 * config/v850/t-rtems: New.
27 2012-07-18 Nick Clifton <nickc@redhat.com>
29 * doc/invoke.texi (ARM Options): Document -munaligned-access.
31 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
35 Backport from mainline
36 2012-04-25 Jakub Jelinek <jakub@redhat.com>
39 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
40 instead expand it as zero extension.
42 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
44 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
45 QImode and HImode splitters. Use ix86_comparison_operator.
46 Explicitly match FLAGS_REG.
47 (DFmode cmove splitter): Explicitly match FLAGS_REG.
49 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
50 Steven Bosscher <steven@gcc.gnu.org>
51 Bernd Schmidt <bernds@codesourcery.com>
53 PR rtl-optimization/53908
54 * df-problems.c (can_move_insns_across): When doing
55 memory-reference book-keeping, handle call insns.
57 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
59 Backport from mainline
60 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
63 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
64 sibcall_insn_operand. Move it to a temporary register if not.
66 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
69 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
70 emit PIC sequence for fnaddr symbol reference in advance.
72 2012-07-09 Jason Merrill <jason@redhat.com>
75 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
76 (type_hash_eq): Likewise.
79 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
81 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
83 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
84 due to negative shift amount.
86 2012-07-06 Kai Tietz <ktietz@redhat.com>
88 Backport from mainline.
90 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
93 2012-07-06 Nick Clifton <nickc@redhat.com>
95 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
96 default_encode_section_info.
98 2012-07-06 Richard Guenther <rguenther@suse.de>
100 Backport from mainline
101 2012-03-30 Richard Guenther <rguenther@suse.de>
104 * double-int.c (rshift_double): Remove not needed cast.
106 2012-03-28 Richard Guenther <rguenther@suse.de>
109 * double-int.h (rshift_double): Remove.
110 * double-int.c (lshift_double): Use absu_hwi to make count
112 (rshift_double): Make static, take unsigned count argument,
113 remove handling of negative count argument.
114 (double_int_rshift): Dispatch to lshift_double.
116 2012-07-06 Richard Guenther <rguenther@suse.de>
118 Backport from mainline
119 2012-06-18 Richard Guenther <rguenther@suse.de>
121 PR tree-optimization/53693
122 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
123 Reject operands with more than one use.
125 2012-07-06 Richard Guenther <rguenther@suse.de>
127 Backport from mainline
128 2012-04-11 Richard Guenther <rguenther@suse.de>
131 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
132 consider loop nesting.
133 (evolution_function_is_univariate_p): Properly check the remainder
136 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
138 Backport from mainline
139 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
141 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
142 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
143 (adjacent_mem_locations): Move some code to and call...
144 (get_memref_parts): ...new function.
145 (mem_locations_overlap): New function.
146 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
147 (is_mem_ref): Rename to...
148 (find_mem_ref): ...this. Return MEM rtx.
149 (get_store_dest): Remove function.
150 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
151 new parameter and adjust calls.
152 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
153 mem refs overlap for true_store_to_load_dep_costly.
154 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
155 passed to adjacent_mem_locations.
156 (is_costly_group): Walk resolved dependency list.
157 (force_new_group): Emit group ending nop for Power6/Power7.
158 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
159 (group_ending_nop): New define_insn.
161 2012-07-04 Richard Guenther <rguenther@suse.de>
164 * gimple-fold.c (get_base_constructor): Do not return an
165 error_mark_node DECL_INITIAL.
167 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
169 Backport from mainline
170 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
172 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
173 code model string in the error message.
175 2012-07-04 Tristan Gingold <gingold@adacore.com>
177 Backport from mainline.
178 2012-06-25 Tristan Gingold <gingold@adacore.com>
180 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
181 (seh_cfa_adjust_cfa): ... that function.
182 (seh_emit_stackalloc): Do not emit out of range values.
183 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
184 UNSPEC_DEF_CFA constants.
185 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
186 * config/i386/i386.c (ix86_frame_pointer_required): Required
187 for very large frames on SEH target.
188 (ix86_compute_frame_layout): Save area is before frame pointer
189 on SEH target. Handle very large frames.
190 (ix86_expand_prologue): Likewise.
192 2012-07-04 Richard Guenther <rguenther@suse.de>
194 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
195 as in free_lang_data_in_type.
197 2012-07-02 Martin Jambor <mjambor@suse.cz>
199 Backport from mainline.
200 2012-07-02 Martin Jambor <mjambor@suse.cz>
203 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
204 dynamic type change check.
206 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
208 * tree-eh.c (lower_try_finally_switch): Really put the location of the
209 last statement of the finally block onto the switch.
211 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
213 * configure: Regenerate.
215 Backport from mainline.
216 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
218 * config.gcc (target_type_format_char): New. Document it. Set it for
220 * configure.ac (gnu_unique_option): Use target_type_format_char
221 in test. Comment rationale.
223 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
225 Backport from mainline.
226 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
228 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
230 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
232 Backport from 2012-06-28 mainline r189049
235 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
236 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
237 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
238 avr_hard_regno_call_part_clobbered.
240 2012-06-28 Richard Guenther <rguenther@suse.de>
243 * expr.c (expand_expr_real_1): Verify if the type is complete
244 before inspecting its size.
246 2012-06-27 Nick Clifton <nickc@redhat.com>
248 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
251 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
254 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
256 2012-06-26 Nick Clifton <nickc@redhat.com>
258 * config/rx/rx.md (simple_return): Use the simple_return rtx.
260 2012-06-25 Jakub Jelinek <jakub@redhat.com>
263 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
264 of x x x in the vmovlps load alternative.
266 2012-06-22 Richard Guenther <rguenther@suse.de>
268 * gcov-iov.c: Include bconfig.h and system.h.
270 2012-06-22 Richard Guenther <rguenther@suse.de>
272 PR gcov-profile/53744
273 * gcov-iov.c (main): Treat "" and "prerelease" the same.
275 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
277 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
278 DECL_IGNORED_P non-reg vars even if they are used.
280 2012-06-19 Jason Merrill <jason@redhat.com>
283 * dwarf2out.c (modified_type_die): Use scope_die_for.
284 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
285 (uses_local_type_r, uses_local_type): New.
286 (scope_die_for): Keep a type that uses a local type in local scope.
287 Use get_context_die for namespace and type scope.
289 2012-06-19 Richard Guenther <rguenther@suse.de>
292 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
293 replace it with the first non-BLOCK context.
295 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
297 PR rtl-optimization/53700
299 Backport from mainline
300 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
302 * ira-color.c (setup_left_conflict_sizes_p): Process all
305 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
307 Backport from mainline
308 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
311 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
312 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
313 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
314 instead of xop_mulv2div2di3_low.
315 (xop_p<macs>dql): Fix vec_select selector.
316 (xop_p<macs>dqh): Ditto.
317 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
318 (xop_mulv2div2di3_high): Ditto.
320 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
322 Backport from mainline:
323 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
325 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
327 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
329 Backport from mainline:
330 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
332 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
333 * config/pa/pa.c (pa_attr_length_millicode_call): Use
334 MAX_PCREL17F_OFFSET instead of fixed offset.
335 (pa_attr_length_call): Likewise.
336 (pa_attr_length_indirect_call): Likewise.
338 2012-06-15 Walter Lee <walt@tilera.com>
340 Backport from mainline:
341 2012-06-15 Walter Lee <walt@tilera.com>
343 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
345 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
347 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
349 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
351 Backport from mainline:
353 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
354 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
355 * gimple.h (block_in_transaction): Check for flag_tm.
357 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
359 PR tree-optimization/52558
361 Backport from mainline:
362 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
363 * gimple.h (gimple_set_in_transaction): Remove.
364 (gimple_in_transaction): Look in BB instead.
365 (gimple_statement_base): Remove in_transaction field.
366 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
367 * trans-mem.c (compute_transaction_bits): Place transaction bit
368 information into basic blocks.
370 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
372 PR tree-optimization/52558
373 * cfg.c (alloc_aux_for_edge): Fix comment.
374 (alloc_aux_for_edge): Remove static.
375 * basic-block.h (alloc_aux_for_edge): Protoize.
376 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
377 (execute_sm_if_changed_flag): New.
378 (execute_sm_if_changed_flag_set): New.
379 (execute_sm): Do not generate data races unless requested.
380 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
381 (tree_ssa_lim_finalize): Call free_aux_for_edges.
382 * gimple.h (block_in_transaction): New.
383 (gimple_in_transaction): Use block_in_transaction.
385 2012-06-14 Jakub Jelinek <jakub@redhat.com>
387 Backported from mainline
388 2012-06-12 Jakub Jelinek <jakub@redhat.com>
390 PR rtl-optimization/53589
391 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
392 discovery even when e->dest != target. If any LABEL_REF points
393 to e->dest label, redirect it to target's label.
395 2012-06-07 Jakub Jelinek <jakub@redhat.com>
398 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
399 returns false, replace stmt with GIMPLE_NOP.
400 (check_omp_nesting_restrictions): Instead of issuing warnings,
401 issue errors and return false if any errors were reported.
403 2012-06-14 Richard Guenther <rguenther@suse.de>
405 * BASE-VER: Set to 4.7.2.
406 * DEV-PHASE: Set to prerelease.
408 2012-06-12 Christian Bruel <christian.bruel@st.com>
411 * config/sh/sh.c (sh_option_override): Don't force
412 flag_omit_frame_pointer and maccumulate_outgoing_args.
413 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
415 2012-06-14 Release Manager
417 * GCC 4.7.1 released.
419 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
421 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
423 2012-06-13 Richard Henderson <rth@redhat.com>
425 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
426 iterator instead of INT.
428 2012-06-08 Richard Henderson <rth@redhat.com>
431 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
432 note to a clobber insn when no other insn is available.
434 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
437 * doc/invoke.texi (Wenum-compare): Update documentation.
439 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
442 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
444 (altivec_stvlxl): Ditto.
445 (altivec_stvrx): Ditto.
446 (altivec_stvrxl): Ditto.
448 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
451 * trans-mem.c (expand_block_edges): Do not skip the first
452 statement when resetting the BB.
454 2012-06-04 Richard Guenther <rguenther@suse.de>
457 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
458 create new assembler names.
460 2012-06-04 Richard Guenther <rguenther@suse.de>
462 Backport from mainline
463 2012-04-25 Jakub Jelinek <jakub@redhat.com>
466 * stor-layout.c (get_best_mode): Don't return mode with bitsize
467 larger than maxbits. Don't compute maxbits modulo align.
468 Also check that unit bytes long store at bitpos / unit * unit
469 doesn't affect bits beyond bitregion_end.
470 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
471 would not fit into bitregion_start ... bitregion_end + 1 bit
473 (store_split_bit_field): Decrease unit close to end of bitregion_end
474 if access is restricted in order to avoid mutual recursion.
476 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
478 Backport from 2012-06-04 mainline r188172
481 * config/avr/avr-stdint.h: New file.
482 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
485 2012-06-04 Jakub Jelinek <jakub@redhat.com>
487 PR tree-optimization/53550
488 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
489 is POINTER_TYPE_P, use sizetype as step type instead of type.
491 2012-06-04 Richard Guenther <rguenther@suse.de>
492 Eric Botcazou <ebotcazou@adacore.com>
494 Backport from mainline
495 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
497 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
498 Change type of BITOFFSET to signed. Make sure the lower bound of
499 the computed range is non-negative by adjusting OFFSET and BITPOS.
500 (expand_assignment): Adjust call to get_bit_range.
502 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
504 * expr.c (get_bit_range): Return the null range if the enclosing record
505 is part of a larger bit field.
507 2012-03-20 Richard Guenther <rguenther@suse.de>
509 * stor-layout.c (finish_bitfield_representative): Fallback
510 to conservative maximum size if the padding up to the next
511 field cannot be computed as a constant.
512 (finish_bitfield_layout): If we cannot compute the distance
513 between the start of the bitfield representative and the
514 bitfield member start a new representative.
515 * expr.c (get_bit_range): The distance between the start of
516 the bitfield representative and the bitfield member is zero
517 if the field offsets are not constants.
519 2012-03-16 Richard Guenther <rguenther@suse.de>
521 * stor-layout.c (finish_bitfield_representative): Fall back
522 to the conservative maximum size if we cannot compute the
523 size of the tail padding.
525 2012-03-14 Richard Guenther <rguenther@suse.de>
527 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
528 * stor-layout.c (start_bitfield_representative): New function.
529 (finish_bitfield_representative): Likewise.
530 (finish_bitfield_layout): Likewise.
531 (finish_record_layout): Call finish_bitfield_layout.
532 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
533 for QUAL_UNION_TYPE fields.
534 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
535 Stream DECL_BIT_FIELD_REPRESENTATIVE.
536 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
541 * expr.c (get_bit_range): Unconditionally extract bitrange
542 from DECL_BIT_FIELD_REPRESENTATIVE.
543 (expand_assignment): Adjust call to get_bit_range.
545 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
548 * fold-const.c (fold_binary_loc): Refine previous change.
550 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
552 Backport from mainline
553 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
556 * config/sh/sh.c (find_barrier): Add equality check of last_got to
557 avoid going above orig insn. Update comments.
559 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
561 Backport from mainline
562 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
565 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
566 prologue for unwinder and profiler.
568 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
570 Backport from mainline
571 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
573 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
575 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
577 Backport from mainline
578 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
580 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
583 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
585 Backport from mainline
586 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
588 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
589 operand is CONST_INT. Take COSTS_N_INSNS into account.
590 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
593 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
595 * config/avr/avr.opt (-msp8): Document it.
596 * doc/invoke.texi (AVR Options): Copy from trunk docu.
598 2012-05-31 Richard Guenther <rguenther@suse.de>
601 * expr.c (expand_assignment): Do not use movmisalign on
604 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
607 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
608 (pa_section_type_flags): New.
609 (pa_legitimate_constant_p): Revert previous change.
611 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
613 Backport from mainline
614 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
617 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
619 (ipa_tm_create_version): Same.
621 2012-05-30 Jason Merrill <jason@redhat.com>
624 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
625 about array compound literals.
627 2012-05-30 Richard Guenther <rguenther@suse.de>
630 * fold-const.c (fold_binary_loc): Make sure to call
631 fold_plusminus_mult_expr with the original sign of operands.
633 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
635 * explow.c (probe_stack_range): Restore simple control flow and stop
636 again when the probe cannot be generated if HAVE_check_stack.
638 2012-05-30 Jakub Jelinek <jakub@redhat.com>
640 PR rtl-optimization/53519
641 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
642 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
644 2012-05-29 Richard Guenther <rguenther@suse.de>
646 PR tree-optimization/53516
647 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
649 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
651 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
653 Backport from mainline
654 2012-05-28 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/53438
657 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
659 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
661 Backport from mainline
662 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
664 PR rtl-optimization/52528
665 * combine.c (can_combine_p): Add setting of subst_low_luid
666 before call to expand_field_assignment().
668 2012-05-26 Martin Jambor <mjambor@suse.cz>
670 Backport from mainline
671 2012-05-23 Martin Jambor <mjambor@suse.cz>
673 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
675 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
678 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
679 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
681 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
684 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
685 (ix86_expand_vec_perm): Use int mode instead of float.
687 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
690 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
691 gnu_ld variables to yes.
692 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
693 (HAVE_GNU_AS): Likewise.
694 * config.in: Regenerate.
695 * configure: Likewise.
697 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
699 Backport from mainline
700 2012-03-12 Richard Guenther <rguenther@suse.de>
701 * config/arm/arm.c (neon_dereference_pointer): Do not call
702 covert during RTL expansion.
704 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
706 Backport from mainline
707 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
710 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
711 relied on signed overflow behavior.
713 2012-05-24 Richard Guenther <rguenther@suse.de>
716 * tree-profile.c (tree_profiling): Cleanup the CFG if
717 execute_fixup_cfg requests it.
719 2012-05-24 Jakub Jelinek <jakub@redhat.com>
721 PR tree-optimization/53465
722 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
723 vr0 into *vr, then vrp_meet that.
724 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
725 have any equivalences.
726 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
729 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
731 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
733 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
734 (iterative_hash_gimple_type): Adjust comment.
735 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
736 domain for an array type instead of the domain type itself.
738 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
740 Backport from 2012-05-23 mainline r187803
743 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
744 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
747 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
749 Backport from 2012-05-03 mainline r187075
751 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
752 has_fma4 for AMD processors with both fma3 and fma4 support.
754 2012-05-22 Richard Guenther <rguenther@suse.de>
756 PR tree-optimization/53408
757 * tree-vect-loop.c (vectorizable_induction): Properly check
758 the restriction that we cannot handle induction results from
759 the inner loop outside of the outer loop.
761 2012-05-21 Jakub Jelinek <jakub@redhat.com>
763 PR tree-optimization/53436
764 * omp-low.c (omp_build_component_ref): New function.
765 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
767 PR tree-optimization/53366
768 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
769 tests if complex_numbers == 2, but there are non-complex number loads
772 PR tree-optimization/53409
773 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
774 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
776 PR tree-optimization/53410
777 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
778 instead of build_int_cst (type, 0) where vector types might be
781 2012-05-21 Joseph Myers <joseph@codesourcery.com>
784 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
785 from folded operands before wrapping another around the
786 conditional expression.
788 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
789 Patrick Marlier <patrick.marlier@gmail.com>
791 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
794 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
796 Backport from mainline
797 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
800 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
801 (UNSPECV_RDRAND): This.
802 (rdrand<mode>_1): Updated.
804 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
806 Backport from mainline
807 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
809 * config/i386/driver-i386.c (host_detect_local_cpu): Support
810 RDRND, F16C and FSGSBASE.
812 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
814 Backport from mainline
815 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
817 * tree-ssa-pre.c (can_value_number_call): Delete.
818 (compute_avail): Skip all statements with side effects.
819 <GIMPLE_CALL>: Skip calls to internal functions.
821 2012-05-18 David S. Miller <davem@davemloft.net>
823 Backport r185385 from mainline
824 2012-03-14 Richard Guenther <rguenther@suse.de>
827 * tree-vect-generic.c (type_for_widest_vector_mode): Take
828 element type instead of mode, use build_vector_type_for_mode
829 instead of the langhook, build a vector of proper signedness.
830 (expand_vector_operations_1): Adjust.
832 2012-05-18 Olivier Hainque <hainque@adacore.com>
834 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
835 $(libsubdir) as libexecsubdir.
837 2012-05-16 Andrew Pinski <apinski@cavium.com>
839 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
842 2012-05-16 David S. Miller <davem@davemloft.net>
844 * jump.c (delete_related_insns): If we remove a CALL, make sure
845 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
847 2012-05-16 Richard Henderson <rth@redhat.com>
850 * combine-stack-adj.c (prev_active_insn_bb): New.
851 (next_active_insn_bb): New.
852 (force_move_args_size_note): New.
853 (combine_stack_adjustments_for_block): Use it.
855 2012-05-16 Olivier Hainque <hainque@adacore.com>
857 * Makefile.in (install-no-fixedincludes): New target, former toplevel
858 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
859 Add comments and improve stamp preservation across the whole sequence.
860 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
862 2012-05-16 Richard Guenther <rguenther@suse.de>
864 PR tree-optimization/53364
865 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
866 detect a view-conversion of the decl.
868 2012-05-15 Jakub Jelinek <jakub@redhat.com>
871 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
872 that operands[2] is either immediate, or q_regs_operand.
874 2012-05-15 Bin Cheng <bin.cheng@arm.com>
876 Backport r187139 from mainline.
877 2012-05-04 Bin Cheng <bin.cheng@arm.com>
879 PR rtl-optimization/52804
880 * reload1.c (reload_reg_reaches_end_p): Check whether successor
881 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
882 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
883 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
884 RELOAD_FOR_OUTADDR_ADDRESS.
886 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
889 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
890 generate target register for "load" class builtins.
893 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
896 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
897 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
898 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
899 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
900 (<sse>_movu<ssemodesuffix>): New expander.
901 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
902 (avx_movdqu<avxmodesuffix>): New expander.
903 (*sse2_movdqu): Rename from sse2_movdqu.
904 (sse2_movdqu): New expander.
906 2012-05-14 Jakub Jelinek <jakub@redhat.com>
908 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
909 lineno 1 the same as lineno 0 before first start file directive.
910 (optimize_macinfo_range): Likewise.
912 * dwarf2out.c (have_macinfo): Define.
913 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
914 attribute, don't force empty compilation unit and don't emit any
915 .debug_macinfo/.debug_macro section if macinfo_table is empty.
917 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
919 Backport from mainline
920 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
922 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
923 ORDERED and UNORDERED conditions.
925 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
927 * function.c (requires_stack_frame_p): If the function can throw
928 non-call exceptions, return true if the insn can throw internally.
930 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
932 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
933 DECL_ORIGINAL_TYPE if it is present.
935 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
937 Backport from 2012-05-12 mainline r187342.
940 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
941 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
942 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
943 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
944 (expand_prologue): Move initialization of cfun->machine->is_naked,
945 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
946 (avr_set_current_function): ...this new static function.
947 (TARGET_SET_CURRENT_FUNCTION): New define.
948 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
949 checking attributes of current_function_decl.
950 (avr_regs_to_save): Ditto.
951 (signal_function_p): Rename to avr_signal_function_p.
952 (interrupt_function_p): Rename to avr_interrupt_function_p.
954 * doc/extend.texi (Function Attributes): Better explanation of
955 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
958 2012-05-09 Matthias Klose <doko@ubuntu.com>
960 * gcc-ar.c (main): Don't check for execute bits for the plugin.
962 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
965 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
966 when a constant source operand matches an "I" constraint, the "no
967 CC0 change" applies to a register-destination only, not a
968 strict_low_part-destination.
970 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
972 Backport from mainline:
973 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
975 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
977 2012-05-07 Jakub Jelinek <jakub@redhat.com>
979 PR tree-optimization/53239
980 * tree-vrp.c (get_value_range): Set VR of
981 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
984 2012-05-07 Richard Guenther <rguenther@suse.de>
986 PR tree-optimization/53195
987 * tree-inline.c (setup_one_parameter): Properly add referenced
988 vars from the parameters new known value.
990 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
992 Backport from mainline:
993 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
996 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
999 2012-05-04 Ian Lance Taylor <iant@google.com>
1001 * tree-vect-patterns.c (vect_single_imm_use): Correct return
1002 values from false to NULL.
1004 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1006 Backport from mainline
1007 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1010 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1011 (TARGET_CMOV): Rename from TARGET_CMOVE.
1012 (TARGET_CMOVE): New define.
1013 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1014 Do not set TARGET_CMOVE here.
1016 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1018 Backport from mainline:
1020 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1022 PR tree-optimization/52633
1023 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1024 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1025 (vect_recog_over_widening_pattern): Remove handling of code that was
1026 already detected as over-widening pattern. Remove special handling
1027 of "unsigned" cases. Instead, support general case of conversion
1028 of the shift result to another type.
1030 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1032 * tree-vect-patterns.c (vect_single_imm_use): New function.
1033 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1034 (vect_recog_over_widening_pattern): Likewise.
1035 (vect_recog_widen_shift_pattern): Likewise.
1037 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1039 PR tree-optimization/52870
1040 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1041 presumed pattern statement is within the same loop or basic block.
1043 2012-05-04 Richard Guenther <rguenther@suse.de>
1045 * common.opt (flto-report): Do not mark as Optimization.
1047 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1050 * recog.c (constrain_operands): If extra constraints are present, also
1051 accept pseudo-registers with equivalent memory locations during reload.
1053 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1055 Backport from the mainline
1056 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1059 * config/rs6000/rs6000.md (bswapdi splitters): If
1060 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1061 default) is used, generate an alternate sequence that does not
1062 depend on using indexed addressing.
1064 2012-05-03 David S. Miller <davem@davemloft.net>
1067 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1068 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1069 (sparc_emit_float_lib_cmp): Likewise.
1071 2012-05-04 Martin Jambor <mjambor@suse.cz>
1073 Backport from mainline
1074 2012-05-02 Martin Jambor <mjambor@suse.cz>
1077 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1078 of a variable when the contect is a function.
1080 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1083 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1084 append program name to it and pass that as first argument
1085 to make_relative_prefix. Always pass standard_libexec_prefix
1086 as last argument to make_relative_prefix. If
1087 make_relative_prefix returns NULL, fall back to
1088 standard_libexec_prefix.
1091 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1095 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1096 mode, return that mode.
1098 2012-05-03 Richard Guenther <rguenther@suse.de>
1100 PR tree-optimization/53144
1101 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1103 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1104 with SSA name values.
1105 (vn_reference_lookup_3): Adjust callers.
1107 2012-05-02 Jakub Jelinek <jakub@redhat.com>
1109 PR tree-optimization/53163
1110 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1111 return value from compute_all_dependences.
1113 PR rtl-optimization/53160
1114 * ree.c (combine_reaching_defs): Handle the case where cand->insn
1115 has been modified by ree pass already.
1117 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
1119 Backport from mainline
1120 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1123 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1124 calls to cgraph_node_name in xstrdup.
1125 (ipa_make_edge_direct_to_target): Ditto.
1126 * tree-sra.c (convert_callers_for_node): Ditto.
1127 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1128 * ipa-cp.c (perhaps_add_new_callers): Ditto.
1129 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1130 (cgraph_materialize_all_clones): Ditto.
1131 * ipa-inline.c (report_inline_failed_reason): Ditto.
1132 (want_early_inline_function_p): Ditto.
1133 (edge_badness): Ditto.
1134 (update_edge_key): Ditto.
1135 (flatten_function): Ditto.
1136 (ipa_inline): Ditto.
1137 (inline_always_inline_functions): Ditto.
1138 (early_inline_small_functions): Ditto.
1140 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
1142 Backport from mainline
1143 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1145 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1146 Introduce emul_name to select the right linker emulation for
1147 powerpc64-*-freebsd*.
1148 * configure: Regenerate.
1149 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1150 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1151 * config/rs6000/freebsd64.h: New file.
1152 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1154 (rs6000_savres_strategy): Likewise.
1155 (rs6000_savres_routine_name): Likewise.
1156 (rs6000_elf_file_end): Likewise.
1157 * config/rs6000/t-freebsd64: New file.
1158 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1159 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1161 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
1163 Backport from mainline
1164 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
1167 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1169 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
1171 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1172 predicate to discriminate types.
1174 2012-04-27 Richard Guenther <rguenther@suse.de>
1177 * convert.c (convert_to_integer): Avoid infinite recursion for
1178 target-defined built-in types.
1180 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
1183 * config/cris/cris.md ("*andhi_lowpart_v32")
1184 ("*andqi_lowpart_v32"): Change first input-only operand from
1185 a (match_operand ...) to (match_dup 0). Drop alternatives with
1186 const_int-matching constraints for redundancy.
1187 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
1188 three-operand alternative.
1190 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
1192 Backport from mainline
1193 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
1195 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1196 (*addsi_2_zext): Ditto.
1197 (*add<mode>_3): Ditto.
1198 (*addsi_3_zext): Ditto.
1199 (*add<mode>_5): Ditto.
1201 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1204 * c-typeck.c (set_nonincremental_init,
1205 set_nonincremental_init_from_string): Pass true instead of false
1206 as IMPLICIT to add_pending_init.
1208 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
1210 Backport from 2012-04-24 mainline r186768.
1213 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1215 2012-04-24 Richard Guenther <rguenther@suse.de>
1217 PR tree-optimization/53085
1218 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1221 2012-04-24 Jakub Jelinek <jakub@redhat.com>
1224 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1226 (output_addressed_constants): Likewise.
1229 * varasm.c (get_section): Don't ICE for section conflicts with
1230 built-in section kinds.
1232 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
1234 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1236 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
1238 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1240 2012-04-23 Richard Guenther <rguenther@suse.de>
1243 * c-typeck.c (build_binary_op): Fix typo.
1245 2012-04-23 Jakub Jelinek <jakub@redhat.com>
1247 PR tree-optimizations/52891
1248 * tree-vect-patterns.c (adjust_bool_pattern): Use
1249 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1250 but with non-standard precision.
1252 2012-04-22 Ian Lance Taylor <iant@google.com>
1254 * godump.c (go_output_typedef): Dump size of structs.
1256 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
1258 Backport from mainline:
1260 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1261 hints for 'A' operand types.
1263 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
1265 Backport from 2012-04-19 mainline r186588.
1268 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1269 the case *(X+const).
1271 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
1273 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1275 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
1278 * config/i386/sync.md (atomic_<code><mode>): Rename to
1279 atomic_<logic><mode>.
1281 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
1283 Backport from mainline
1284 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
1287 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1288 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
1289 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1290 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1291 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1292 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1293 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1294 gen_avx2_permvarv8sf.
1296 2012-04-16 Martin Jambor <mjambor@suse.cz>
1298 Backported from mainline
1300 2012-04-13 Martin Jambor <mjambor@suse.cz>
1303 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1304 fold_ctor_reference returns a zero constant.
1306 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1308 Backported from mainline
1309 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
1311 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1312 and __ILP32__ for x32.
1314 2012-04-13 Tom de Vries <tom@codesourcery.com>
1316 Backport from mainline r186418.
1318 2012-04-13 Tom de Vries <tom@codesourcery.com>
1320 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1321 parameters vuse and vuse_escaped.
1322 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
1323 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
1326 2012-04-13 Richard Guenther <rguenther@suse.de>
1328 PR tree-optimization/52969
1329 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1330 the condition for the COND_EXPR and handle predicate negation
1331 by swapping the COND_EXPR arms.
1333 2012-04-13 Richard Guenther <rguenther@suse.de>
1336 * convert.c (convert_to_pointer): Remove special-casing of
1339 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1341 Backport from mainline
1342 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1345 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1346 the list of options to enable the FCFID instruction.
1347 (TARGET_EXTRA_BUILTINS): Adjust comment.
1349 2012-04-12 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/52943
1352 * tree-chrec.h (chrec_is_positive): Remove.
1353 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1354 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1355 Return false for a constant zero instead of negative.
1356 (analyze_siv_subscript_cst_affine): Handle zero difference
1357 in the initial condition explicitely.
1359 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1362 * varasm.c (process_pending_assemble_externals): Set
1363 pending_assemble_externals_processed true.
1364 (assemble_external): Call assemble_external_real if the pending
1365 assemble externals have been processed.
1367 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1370 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1371 the DECL generated for the special GOT helper.
1373 2012-04-06 Walter Lee <walt@tilera.com>
1375 Backport from mainline
1376 2012-03-07 Walter Lee <walt@tilera.com>
1378 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1379 REG_CFA_* notes for the stack pointer.
1380 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1381 EH_RETURN_STACKADJ_RTX.
1382 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1383 generate REG_CFA_* notes for the stack pointer.
1384 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1385 by EH_RETURN_STACKADJ_RTX.
1387 2012-04-06 Matt Turner <mattst88@gmail.com>
1389 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1391 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1393 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1394 of the destination isn't also a FP_REGS register.
1396 2012-04-03 Richard Guenther <rguenther@suse.de>
1398 Backport from mainline
1399 2012-03-02 Richard Guenther <rguenther@suse.de>
1401 PR tree-optimization/52406
1402 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1403 (struct indices): Add unconstrained_base member.
1404 (struct dr_alias): Remove unused vops member.
1405 (DR_UNCONSTRAINED_BASE): New define.
1406 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1407 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1408 be an artificial access that covers the whole indexed object,
1409 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1410 plain decl base-objects to their MEM_REF variant.
1411 (dr_may_alias_p): When the base-object of either data reference
1412 has unknown size use only points-to information.
1413 (compute_affine_dependence): Make dumps easier to read and
1415 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1416 DR_REF when looking for packed references.
1417 (vect_supportable_dr_alignment): Likewise.
1419 2012-04-03 Richard Guenther <rguenther@suse.de>
1421 Backport from mainline
1422 2012-03-15 Richard Guenther <rguenther@suse.de>
1425 * tree-data-ref.c (subscript_dependence_tester_1): Check
1426 all dimensions for non-conflicting access functions.
1428 2012-04-03 Richard Guenther <rguenther@suse.de>
1430 Backport from mainline
1431 2012-03-06 Richard Guenther <rguenther@suse.de>
1434 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1436 2012-03-23 Richard Guenther <rguenther@suse.de>
1438 PR tree-optimization/52678
1439 * tree-vectorizer.h (struct _stmt_vec_info): Add
1440 loop_phi_evolution_part member.
1441 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1442 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1443 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1444 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1445 Use the cached evolution part and the PHI nodes value from
1446 the loop preheader edge instead of re-analyzing the evolution.
1448 2012-03-26 Richard Guenther <rguenther@suse.de>
1450 PR tree-optimization/52701
1451 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1452 compute and set the evolution part of PHI nodes.
1454 2012-03-30 Richard Guenther <rguenther@suse.de>
1456 PR tree-optimization/52754
1457 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1458 propagate arbitrary addresses into really plain dereferences.
1460 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1462 PR tree-optimization/52835
1463 * tree-data-ref.c (build_rdg): Return NULL if
1464 compute_data_dependences_for_loop failed.
1466 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1468 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1469 (stmt_can_make_abnormal_goto): Use it.
1470 (is_ctrl_altering_stmt): Likewise.
1472 2012-03-31 Martin Jambor <mjambor@suse.cz>
1474 Backported from mainline
1475 2012-03-30 Martin Jambor <mjambor@suse.cz>
1477 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1478 is a builtin_stack_save in a dominating BB.
1480 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1482 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1483 crossing 128bit lane boundary.
1485 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1487 Backported from mainline
1488 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1491 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1493 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1494 * config/i386/i386.c: Include reload.h.
1495 (ix86_legitimize_reload_address): New function.
1497 2012-03-28 Martin Jambor <mjambor@suse.cz>
1499 Backported from mainline
1500 2012-03-27 Martin Jambor <mjambor@suse.cz>
1503 * tree-sra.c (sra_modify_assign): Do not call
1504 load_assign_lhs_subreplacements when working with an unscalarizable
1507 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1510 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1511 __builtin_va_start to __builtin_next_arg if the latter is
1512 builtin_decl_explicit_p rather than when it is not.
1515 * tree-vect-generic.c (vector_element): Perform multiplication
1516 for pos in bitsizetype type instead of idx type.
1518 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1520 Backport from 2012-03-28 mainline r185910.
1523 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1524 (avr_builtin_decl): New static function.
1525 (struct avr_builtin_description, avr_bdesc): Move up.
1526 Add GTY marker. Add field fndecl. Remove redundant field id.
1527 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1528 (avr_expand_builtin): Code cleanup because .id is removed.
1530 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1533 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1536 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1538 Backport from 2012-03-28 mainline r185907.
1541 * config.gcc (tm_file): Remove avr/multilib.h.
1543 * doc/invoke.texi (AVR Options): Adjust
1544 documentation of -mtiny-stack.
1546 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1547 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1548 * config/avr/t-avr: Remove generation of multilib.h.
1549 * config/avr/t-multilib: Regenerate.
1550 * config/avr/multilib.h: Remove.
1551 * config/avr/avr.opt (-msp8): New option.
1552 (avr_sp8): New variable.
1553 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1554 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1555 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1556 (avr_device_to_sp8): New prototype.
1557 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1558 (DRIVER_SELF_SPECS): New define.
1559 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1560 __AVR_SP8__, __AVR_HAVE_SPH__.
1561 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1562 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1563 (avr_file_start): Ditto.
1565 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1568 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1569 instead of 8 in adjust_address.
1571 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1573 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1574 of a unit before computing the offset in units.
1576 2012-03-27 Richard Guenther <rguenther@suse.de>
1579 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1582 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1585 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1587 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1590 * varasm.c: Include pointer-set.h.
1591 (pending_assemble_externals_set): New pointer set.
1592 (process_pending_assemble_externals): Destroy the pointer set.
1593 (assemble_external): See if decl is in pending_assemble_externals_set,
1594 and add it to pending_assemble_externals if necessary.
1595 (init_varasm_once): Allocate pending_assemble_externals_set.
1597 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1599 Backported from mainline
1600 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1603 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1604 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1605 (vector_ltgt<mode>): Likewise.
1606 (vector_ordered<mode>): Likewise.
1607 (vector_unordered<mode>): Likewise.
1608 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1610 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1612 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1615 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1617 Backported from mainline
1618 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1622 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1623 GENERAL_REGS and FP_REGS for SImode.
1625 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1628 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1629 on any new_local_var_chain vars declared during recursing on
1630 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1632 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1634 Backport from 2012-03-22 mainline r185692.
1637 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1638 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1639 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1640 (delay_cycles_1, delay_cycles_2): Ditto.
1641 (delay_cycles_3, delay_cycles_4): Ditto.
1642 (nopv, *nopv): Ditto.
1643 (sleep, *sleep): Ditto.
1646 Backport from 2012-03-21 mainline r185605.
1648 PR rtl-optimization/52543
1650 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1651 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1652 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1653 (avr_load_libgcc_p): Restrict to __flash loads.
1654 (avr_out_lpm): Only handle 1-byte loads from __flash.
1655 (avr_load_lpm): New function.
1656 (avr_find_unused_d_reg): Remove.
1657 (avr_out_lpm_no_lpmx): Remove.
1658 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1659 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1660 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1661 (load_<mode>, load_<mode>_clobber): New insns.
1662 (mov<mode>): For multi-byte move from non-generic
1663 16-bit address spaces: Expand to load_<mode> resp.
1664 load_<mode>_clobber.
1665 (load<mode>_libgcc): Remove expander.
1666 (split-lpmx): Remove split.
1668 Backport from 2012-03-13 mainline r185329.
1671 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1672 offset (size) to a value the insns can deal with.
1673 (expand_epilogue): Ditto.
1675 Backport from 2012-03-12 mainline r185256.
1678 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1679 type from reg_class_t to enum reg_class.
1680 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1682 Backport from 2012-03-12 mainline r185253.
1685 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1686 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1687 r184615 from 2012-02-28.
1689 Backport from 2012-03-08 mainline r185105.
1691 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1692 for constants in [-63,63].
1694 Backport from 2012-03-08 mainline r185100.
1697 * config/avr/avr.c (avr_mem_clobber): New static function.
1698 (avr_expand_delay_cycles): Add memory clobber operand to
1699 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1700 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1701 (enable_interrupt, disable_interrupt): New expander.
1702 (nopv, sleep, wdr): New expanders.
1703 (delay_cycles_1): Add memory clobber.
1704 (delay_cycles_2): Add memory clobber.
1705 (delay_cycles_3): Add memory clobber.
1706 (delay_cycles_4): Add memory clobber.
1707 (cli_sei): New insn from former "enable_interrupt",
1708 "disable_interrupt" with memory clobber.
1709 (*wdt): New insn from former "wdt" with memory clobber.
1710 (*nopv): Similar, but for "nopv".
1711 (*sleep): Similar, but for "sleep".
1713 Backport from 2012-03-07 mainline r185043.
1716 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1718 Backport from 2012-03-07 mainline r185032.
1721 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1722 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1723 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1725 Backport from 2012-03-07 mainline r185031.
1728 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1730 * config/avr/avr.md (xload_8): Adjust insn length.
1732 Backport from 2012-03-07 mainline r185030.
1735 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1736 if RAMPZ affects reading from RAM.
1738 Backport from 2012-03-05 mainline r184919.
1740 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1742 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1744 Backport from mainline r185259.
1747 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1748 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1750 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1752 Backported from mainline
1753 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1756 * c-parser.c (c_parser_postfix_expression)
1757 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1759 * config/i386/smmintrin.h: Avoid /* within a comment.
1760 * config/i386/nmmintrin.h: Likewise.
1762 2012-03-22 Richard Guenther <rguenther@suse.de>
1764 * BASE-VER: Set to 4.7.1.
1765 * DEV-PHASE: Set to prerelease.
1767 2012-03-22 Release Manager
1769 * GCC 4.7.0 released.
1771 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1773 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1775 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1776 Andrew Pinski <apinski@cavium.com>
1779 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1780 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1781 calls instead of __builtin_ir{int,ound}*.
1783 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1786 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1789 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1791 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1792 Refer to GCC 4.7 version of c99status.html.
1794 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1796 Backport from mainline
1797 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1799 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1800 redefine to be NULL if the current bit-size is different from the
1801 configured bit-size.
1803 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1804 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1805 set the default tuning. Add asserts to make sure the cpu and tune
1806 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1807 test whether the index is set, instead of > 0.
1808 (rs6000_file_start): Do not reset the default cpu if the current
1809 bit-size is different from the configured bit-size.
1811 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1813 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1815 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1816 Update binutils references.
1817 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1818 Update binutils reference.
1819 Update Sun as/GNU ld caveat.
1820 Document binutils largefile requirement for LTO plugin.
1821 Remove reference to alternate libpthread.
1823 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1825 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1827 (Specific, mips-sgi-irix6): Likewise.
1829 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1831 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1832 * configure: Regenerate.
1834 2012-03-07 Richard Henderson <rth@redhat.com>
1836 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1837 * config/m68k/sync.md (atomic_test_and_set): Use it.
1838 (atomic_test_and_set_1): Likewise.
1840 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1843 * Makefile.in: Let install-gcc-ar depend on installdirs,
1844 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1845 Don't double canonicalize if cross-compiling.
1847 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1849 * trans-mem.c: New typedef for tm_region_p.
1850 Define vector types for tm_region_p.
1851 (tm_region_init): Replace region_worklist to a vector called
1854 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1857 * trans-mem.c (tm_region_init): Use last_basic_block.
1859 2012-03-05 Richard Henderson <rth@redhat.com>
1862 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1863 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1864 BIGGEST_ALIGNMENT is aligned.
1866 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1868 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1870 2012-03-05 Richard Henderson <rth@redhat.com>
1873 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1874 instead of calling negqi2 directly.
1876 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1878 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1879 (INTMAX_TYPE): Use it.
1880 (UINTMAX_TYPE): Likewise.
1881 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1882 (irix6_c_common_override_options): Declare.
1883 (C_COMMON_OVERRIDE_OPTIONS): Define.
1884 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1885 * config/mips/irix6-c.c: New file.
1886 * config/mips/t-irix6 (irix6-c.o): New target.
1887 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1890 2012-03-02 Richard Henderson <rth@redhat.com>
1892 * optabs.c (expand_atomic_test_and_set): Honor
1893 atomic_test_and_set_trueval even when atomic_test_and_set
1894 optab is not in use.
1896 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1898 Backport from mainline
1899 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1901 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1903 2012-03-02 Richard Guenther <rguenther@suse.de>
1905 * DEV-PHASE: Set to prerelease.
1907 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1909 * config.gcc (obsolete): Add all ARM targets using the FPA.
1910 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1911 * doc/install.texi: Avoid references to obsolete ARM ports.
1913 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1915 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1917 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1918 Joern Rennecke <joern.rennecke@embecosm.com>
1920 * doc/extend.texi: Expand and update information on interrupt
1921 attribute for Epiphany.
1923 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1925 * config/sh/sh-protos.h: Update copyright notice dates.
1926 * config/sh/sh.h: Likewise.
1927 * config/sh/sh.md: Likewise.
1928 * config/sh/constraints.md: Likewise.
1929 * config/sh/predicates.md: Likewise.
1931 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1933 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1934 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1936 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1938 * config/sh/constraints.md: Fix comment typo.
1940 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1943 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1944 unsigned HOST_WIDE_INT.
1945 (zvdep_imm64): Likewise.
1946 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1947 (vdepi_and): Likewise.
1948 Likewise for unamed 64-bit patterns.
1949 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1951 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1954 PR rtl-optimization/52417
1955 * cselib.c (cselib_any_perm_equivs): New variable.
1956 (cselib_reset_table): Check that it's not set when not
1957 preserving constants.
1958 (cselib_add_permanent_equiv): Set it.
1959 (cselib_have_permanent_equivalences): New.
1960 (cselib_init, cselib_finish): Reset it.
1961 * cselib.h (cselib_have_permanent_equivalences): Declare.
1962 * alias.c (get_addr): Restore earlier behavior when there
1963 aren't permanent equivalences.
1965 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1967 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1968 * config/v850/v850-modes.def: Fix copyright notice.
1970 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1972 * doc/extend.texi (AVR Built-in Functions): Document
1973 __builtin_avr_flash_segment.
1975 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1976 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1977 (*split.flash_segment): New insn-and-split.
1978 * config/avr/avr.c (avr_init_builtins): Add local variables:
1979 const_memx_void_node, const_memx_ptr_type_node,
1980 char_ftype_const_memx_ptr.
1982 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1984 PR tree-optimization/52445
1985 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1986 add ssa_name_ver, offset and size fields and change store field
1988 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1989 (add_or_mark_expr): Likewise. Only consider previous stores
1990 with the same size and offset.
1991 (nt_init_block): Only look at gimple_assign_single_p stmts,
1992 doesn't look at rhs2.
1994 2012-03-01 Richard Guenther <rguenther@suse.de>
1997 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1998 conversions from integral types to pointer types.
2000 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2002 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2003 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2004 unintentionally removed in r184616.
2006 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2008 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2011 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2012 Uros Bizjak <ubizjak@gmail.com>
2015 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2016 alternatives, add "e" constraint to the new last alternative
2017 and ! to last 3 alternatives.
2019 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
2021 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2022 DW_AT_artificial attributes at the end of the processing.
2023 (gen_array_type_die): Likewise.
2024 (gen_enumeration_type_die): Likewise.
2025 (gen_struct_or_union_type_die): Likewise.
2026 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2029 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2032 * expr.c (expand_assignment): If doing misaligned store that doesn't
2033 cover all mode bits, perform a RMW cycle.
2035 PR tree-optimization/52429
2036 * tree-parloops.c (separate_decls_in_region_debug): Return early
2037 if var is LABEL_DECL.
2039 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2041 PR tree-optimization/52424
2042 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2043 calling dom_thread_across_edge.
2045 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2047 * config/avr/avr.c: Move definition of TARGET macros to end of file.
2049 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2051 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2052 * config/avr/avr.c (avr_output_bld): Remove unused function.
2053 (avr_out_sbxx_branch): Use "%T" to print bit position.
2055 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2057 * config/avr/avr.md: Untabify.
2059 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2061 * config/avr/avr.md (eqne): New code iterator.
2062 (*dec-and-branchsi): Use it in text peephole's condition.
2063 (*dec-and-branchhi): Ditto.
2064 (*dec-and-branchqi): Ditto.
2066 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
2069 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2070 the device does not have the skip-bug.
2072 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
2074 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2075 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2076 -mpretend-cmove): New.
2078 2012-02-29 Jakub Jelinek <jakub@redhat.com>
2081 * df.h (struct df_d): Adjust comment that hard_regs_live_count
2082 doesn't count DEBUG_INSN refs.
2083 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2084 for DEBUG_INSN refs.
2086 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2090 2012-02-20 Richard Guenther <rguenther@suse.de>
2091 PR tree-optimization/52298
2092 * tree-vect-stmts.c (vectorizable_load): Properly use
2093 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2096 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
2099 * gimple.h (gimple_in_transaction): New.
2100 (gimple_set_in_transaction): New.
2101 (struct gimple_statement_base): Add in_transaction field.
2102 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2104 (tree_ssa_lim_initialize): Compute transaction bits.
2105 * tree.h (compute_transaction_bits): Protoize.
2106 * trans-mem.c (tm_region_init): Use the heap to store BB
2108 (compute_transaction_bits): New.
2110 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2112 * gcc.c (display_help): Document --help=common and sort entries
2115 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2117 * doc/install.texi: Document check-$LANG specific shortcuts
2119 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2122 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2124 * config/arm/arm_neon.h: Regenerate.
2125 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2126 (neon_vcgeu): New insn.
2127 (neon_vcgtu): Likewise.
2128 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2129 (ops): Unsigned comparison intrinsics call a different
2132 2012-02-28 Richard Guenther <rguenther@suse.de>
2135 * config/i386/i386.c (ix86_expand_vector_set): Fix element
2136 ordering for the VEC_CONCAT for two element vectors for
2137 V2SFmode, V2SImode and V2DImode.
2139 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2142 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2143 detecting big-endian triplets.
2145 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
2147 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2148 mode if there is no type information available.
2150 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
2152 PR tree-optimization/53207
2153 * doc/invoke.texi: Document as experimental and relying on graphite.
2155 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2157 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2158 of initializer to changes from r184614.
2160 2012-02-28 Richard Guenther <rguenther@suse.de>
2162 PR tree-optimization/52395
2163 * tree-sra.c (build_ref_for_offset): Also look at the base
2164 TYPE_ALIGN when figuring out the alignment of the replacement.
2166 2012-02-28 Richard Guenther <rguenther@suse.de>
2168 PR tree-optimization/52402
2169 * ipa-prop.c (ipa_modify_call_arguments): Properly use
2170 mis-aligned types when creating the accesses at the call site.
2172 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2174 * config/avr/builtins.def: New file.
2175 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2176 * config/avr/avr.c (enum avr_builtin_id): Use it.
2177 (avr_init_builtins): Use it. And use avr_bdesc.
2178 (bdesc_1arg): Remove.
2179 (bdesc_2arg): Remove.
2180 (bdesc_3arg): Remove.
2181 (struct avr_builtin_description): Add field n_args.
2182 (avr_bdesc): New static variable using builtins.def.
2183 (avr_expand_builtin): Use it.
2184 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2185 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2186 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2188 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2191 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2192 match only one single hard register with respective hard reg rtx.
2193 (movmemx_<mode>): Ditto.
2194 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2195 insn anatomy of movmem[x]_<mode>.
2196 (avr_out_movmem): Same for printing assembler and operand usage.
2198 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
2202 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2203 address spaces located outside of device flash.
2205 * config/avr/avr.h (base_arch_s): Remove field n_segments.
2206 (mcu_type_s): Add field n_flash.
2207 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2208 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2209 (AVR_MCU): Add N_FLASH argument.
2210 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2211 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2212 macro __FLASH<n> if that address space makes sense for the device.
2213 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2214 outside of target flash.
2215 (avr_asm_named_section): Ditto.
2216 (avr_asm_select_section): Ditto.
2217 (avr_addr_space_convert): Ditto.
2218 (avr_emit_movmemhi): Ditto.
2219 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2220 address space is outside of device flash.
2221 (avr_insert_attributes): Ditto.
2222 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2223 avr_current_arch->n_segments.
2225 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
2228 * config/i386/i386.md (*movabs<mode>_1): Enable only for
2230 (*movabs<mode>_2): Likewise.
2232 2012-02-27 Jakub Jelinek <jakub@redhat.com>
2235 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2236 s_register_operand in the test instead of REG_P. Don't call
2237 gen_reg_rtx if it won't be used.
2239 PR tree-optimization/52376
2240 * ipa-split.c (split_function): Ignore CLOBBER stmts.
2242 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
2244 * ifcvt.c (noce_get_condition): Check condition variable is not
2245 small_register_classes_for_mode_p before accepting.
2247 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
2249 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2251 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2254 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2255 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2257 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2259 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
2261 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2263 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
2265 * config/sh/predicates.md: Remove blank lines.
2266 * config/sh/sh.c: Fix typos in comments.
2267 * config/sh/constraints.md: Likewise.
2268 * config/sh/sh.md: Remove blank lines.
2269 Fix typos in comments. Use ;; as comment characters.
2271 2012-02-26 Walter Lee <walt@tilera.com>
2273 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2274 (replace_mov_pcrel_step2): Ditto.
2276 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
2279 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2280 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
2281 and locs that reference values newer than the non-canonical value
2282 at hand. Return the canonical value as a worst case.
2283 (memrefs_conflict_p): Walk canonical value's locs.
2286 * cselib.c (preserve_only_constants): Rename to...
2287 (preserve_constants_and_equivs): ... this. Split out...
2288 (invariant_or_equiv_p): ... this. Preserve plus expressions
2289 of other preserved expressions too.
2290 (cselib_reset_table): Adjust.
2291 * var-tracking.c (reverse_op): Use canonical value to build
2294 2012-02-23 Kai Tietz <ktietz@redhat.com>
2296 * config/i386/i386.c (ix86_delegitimize_address): Handle
2297 UNSPEC_PCREL plus displacement.
2299 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
2302 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2303 to test for unusedness in st X addressing.
2305 2012-02-24 Richard Guenther <rguenther@suse.de>
2308 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2309 (is_gimple_reg_type): Move inline ...
2310 * gimple.h (is_gimple_reg_type): ... here.
2312 2012-02-24 Richard Guenther <rguenther@suse.de>
2315 * passes.c (execute_function_todo): When verifying SSA form
2316 verify gimple form first.
2317 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2319 2012-02-24 Richard Guenther <rguenther@suse.de>
2322 * fold-const.c (fold_addr_of_array_ref_difference): New function.
2323 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2325 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2327 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2329 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2331 * tree-phinodes.c (make_phi_node): Mark static.
2332 * tree-flow.h (make_phi_node): Remove extern decl.
2333 * doc/gimple.texi (make_phi_node): Remove documentation.
2335 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2337 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2338 * tree-ssa-sccvn.c (print_scc): Ditto.
2340 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2342 * doc/passes.texi (Full redundancy elimination): Fix typo.
2344 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2346 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2348 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2351 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2353 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2356 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2358 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2360 * config/avr/avr.md (code_stdname): Add ior, xor.
2361 (xior): New code iterator.
2362 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2363 (*<code_stdname><mode>qi.byte1-3): Ditto.
2365 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2367 PR tree-optimization/52019
2368 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2371 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2373 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2374 HAVE_INITFINI_ARRAY to work around namespace pollution in
2375 certain versions of newlib system headers.
2376 * config.in: Regenerate.
2377 * configure: Regenerate.
2378 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2379 instead of HAVE_INITFINI_ARRAY.
2381 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2384 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2385 is not offsettable memory reference.
2387 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2390 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2391 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2393 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2395 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2396 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2398 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2400 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2401 library on Solaris 8 even without TLS support.
2402 * configure: Regenerate.
2404 2012-02-22 Richard Guenther <rguenther@suse.de>
2407 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2408 for GIMPLE_DEBUG stmts.
2410 2012-02-22 Martin Jambor <mjambor@suse.cz>
2413 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2414 according to the base object.
2416 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2418 PR rtl-optimization/50063
2419 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2420 and 2 (8-bit SP) in operand 2.
2421 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2422 setup to use movhi_sp_r instead of vanilla move to write SP.
2423 Adjust REG_CFA notes to superseed unspec.
2424 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2426 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2427 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2428 irq_state 1 (IRQ known to be on) here.
2430 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2432 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2434 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2435 assign_hard_reg): Likewise.
2437 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2439 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2441 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2444 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2445 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2447 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2449 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2450 prototype from here to...
2451 * config/avr/avr.h: ...here.
2453 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2456 * thumb2.md (thumb2_shiftsi3_short): Split register and
2457 immediate shifts. For register shifts tie operands 0 and 1.
2458 (peephole2 for above): Check that register-controlled shifts
2459 have suitably tied operands.
2461 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2464 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2465 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2466 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2467 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2468 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2469 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2470 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2471 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2472 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2473 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2474 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2475 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2476 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2477 bdver1_ssevector_avx256_unaligned_load,
2478 bdver1_ssevector_sse128_unaligned_load,
2479 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2480 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2481 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2482 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2483 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2484 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2485 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2486 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2487 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2488 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2489 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2490 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2491 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2492 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2493 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2494 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2495 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2496 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2497 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2498 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2499 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2500 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2501 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2502 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2503 bdver1_ssediv_double_load, bdver1_ssediv_double,
2504 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2505 Add "bdver2" attribute.
2507 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2509 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2510 default if possible and not specified otherwise.
2512 2012-02-21 Richard Guenther <rguenther@suse.de>
2515 * gimplify.c (create_tmp_from_val): Use the main variant type
2516 for the type of the temporary we create.
2518 2012-02-21 Richard Guenther <rguenther@suse.de>
2520 PR tree-optimization/52324
2521 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2522 do not gimplify a MEM_REF address operand if it is already
2525 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2527 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2528 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2530 2012-02-21 Richard Guenther <rguenther@suse.de>
2532 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2533 nested_in_vect_loop.
2535 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2537 PR tree-optimization/52318
2538 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2539 vdef also to non-pure/const call stmts in the sequence.
2541 2012-02-20 David S. Miller <davem@davemloft.net>
2543 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2544 don't use the "rd %pc" instruction on v9 for PIC register loads.
2546 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2549 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2550 in a transaction safe function.
2552 2012-02-20 Kai Tietz <ktietz@redhat.com>
2555 * stor-layout.c (place_field): Handle desired_align for
2558 2012-02-20 Richard Guenther <rguenther@suse.de>
2560 PR tree-optimization/52298
2561 * tree-vect-stmts.c (vectorizable_store): Properly use
2562 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2564 (vectorizable_load): Likewise.
2565 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2566 Access DR_STEP after ensuring it is not NULL.
2568 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2570 PR tree-optimization/52286
2571 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2572 optimization use double_int_to_tree instead of build_int_cst_wide,
2573 rewrite to use double_int vars.
2575 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2578 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2580 Remove -e 0 from $gcc_cv_ld invocation.
2581 Only use __GLIBC_PREREQ if defined.
2582 Enable on Solaris since Solaris 8 patch.
2583 (gcc_SUN_LD_VERSION): New macro.
2584 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2585 gcc_SUN_LD_VERSION for version number format.
2586 * configure: Regenerate.
2587 * varasm.c (get_elf_initfini_array_priority_section): Set
2588 SECTION_NOTYPE for non-default priority.
2589 Use get_section instead of get_unnamed_section to emit
2590 .init_array/.fini_array with default priority.
2592 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2594 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2595 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2596 (mips_start_unique_function, mips_output_mips16_rdhwr)
2597 (mips_code_end): New functions.
2598 (TARGET_ASM_CODE_END): Define.
2600 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2602 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2603 to stubs with non-sibling calls.
2605 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2607 * doc/invoke.texi (-fira-* options): Copy-edit.
2608 (ira-* parameters): Copy-edit.
2610 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2612 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2613 GCC coding conventions.
2615 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2617 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2618 when used as adjectives.
2620 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2622 * doc/invoke.texi: Clean up "that"/"which" confusion.
2624 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2626 * system.h: Poison SMALL_REGISTER_CLASSES
2627 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2628 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2630 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2632 PR tree-optimization/52285
2633 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2634 when deciding if a call is a tail call or tail recursion.
2636 2012-02-16 Kai Tietz <ktietz@redhat.com>
2638 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2639 interger-constant displacement for UNSPEC_PCREL.
2641 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2643 PR rtl-optimization/52208
2644 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2645 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2647 PR tree-optimization/52255
2648 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2649 loop->header has virtual PHI, but exit_e->dest doesn't, add
2650 virtual PHI to exit_e->dest and adjust all uses after the loop.
2653 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2654 children with clone_tree_hash, not after it.
2656 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2658 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2659 extended identifiers.
2661 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2664 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2665 a same_body_alias, also test whether e->callee isn't a former
2666 or current clone of the decl this is a same body alias of.
2668 PR translation/52264
2669 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2671 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2673 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2675 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2678 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2679 force_reg instead of copy_to_reg for better optimization. Force
2680 non-register or memory operands into a register.
2682 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2684 * extend.texi: Reserve upper bits of memory model for future use.
2686 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2687 Anatoly Sokolov <aesok@post.ru>
2688 Eric Weddington <eric.weddington@atmel.com>
2691 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2692 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2693 Rewrite initializers for .macro.
2694 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2695 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2696 atxmega32d4, atxmega32x1.
2697 avrxmega4: atxmega64a3, atxmega64d3.
2698 avrxmega5: atxmega64a1, atxmega64a1u.
2699 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2700 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2701 avrxmega7: atxmega128a1, atxmega128a1u.
2702 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2703 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2704 (struct base_arch_s): Rename reserved to xmega_p.
2705 Rename reserved2 to have_rampd.
2706 (AVR_XMEGA): New define.
2707 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2708 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2709 * config/avr/predicates.md (io_address_operand): Take into
2711 (low_io_address_operand): Ditto.
2712 (high_io_address_operand): Ditto.
2713 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2714 (enabled, movhi_sp_r): Use them.
2715 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2716 cpp_define_formatted to built-in define __AVR_ARCH__.
2717 (__AVR_XMEGA__): New built-in define.
2718 (__AVR_HAVE_RAMPD__): New built-in define.
2719 (__AVR_HAVE_RAMPX__): New built-in define.
2720 (__AVR_HAVE_RAMPY__): New built-in define.
2721 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2723 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2724 (avr_option_override): Initialize them.
2725 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2726 (avr_init_expanders): Initialize them. No more block several calls.
2727 (emit_push_sfr): New static function.
2728 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2730 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2731 (avr_print_operand): Print addreeses as symbols for
2732 RAMPX, RAMPY, RAMPD, CCP.
2733 (output_movhi): Handle AVR_XMEGA when writing to SP.
2734 (avr_out_movhi_mr_r_xmega): New static function.
2735 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2736 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2737 __RAMPD__, __CCP__ as needed.
2739 * config/avr/multilib.h: Regenerate.
2740 * config/avr/t-multilib: Regenerate.
2741 * config/avr/avr-tables.opt: Regenerate.
2743 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2745 PR tree-optimization/50561
2746 * graphite-flattening.c (lst_project_loop): Do not
2747 remove old scattering dimensions after flattening.
2748 (lst_do_flatten): Likewise.
2750 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2752 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2753 __builtin_avr_map8, __builtin_avr_map16.
2754 Document __builtin_avr_insert_bits.
2756 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2757 (insert_bits): New insn.
2758 (adjust_len.map_bits): Rename to insert_bits.
2759 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2760 * avr-protos.h (avr_out_map_bits): Remove.
2761 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2762 * config/avr/constraints.md (Cxf,C0f): New.
2763 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2764 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2765 New built-in define __BUILTIN_AVR_INSERT_BITS.
2766 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2767 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2768 (avr_move_bits): Rewrite.
2769 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2771 (avr_map_op_t): New typedef.
2772 (avr_map_op): New static variable.
2773 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2774 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2775 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2776 (bdesc_3arg, avr_expand_triop_builtin): New.
2777 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2778 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2779 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2780 (avr_map_equal_p, avr_map_sig_p): Remove.
2781 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2782 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2783 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2784 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2785 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2786 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2788 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2790 * config/c6x/c6x.md (reserve_cycles): New attribute.
2791 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2792 don't reserve functional units after the branch occurs.
2794 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2797 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2798 functions into non-tm_pure functions.
2800 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2803 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2804 (iterative_hash_canonical_type): Likewise.
2805 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2808 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2810 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2811 sched-group insn, it either remains alone or the entire list is pruned.
2813 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2815 * doc/install.texi (Prerequisites): Fix grammar.
2816 (Configuration): Likewise.
2818 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2820 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2821 MPC as part of GCC before describing configuring with --with-gmp etc.
2822 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2823 sources are present.
2825 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2828 * dwarf2out.c (clone_tree_hash): New function.
2829 (copy_decls_walk): Use it instead of clone_tree.
2831 2012-02-14 Richard Guenther <rguenther@suse.de>
2833 PR tree-optimization/52244
2834 PR tree-optimization/51528
2835 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2836 replacements for integral types.
2838 2012-02-14 Walter Lee <walt@tilera.com>
2840 * config.gcc: Handle tilegx and tilepro.
2841 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2843 Add HAVE_AS_TLS check for tilegx and tilepro.
2844 * configure: Regenerate.
2845 * doc/contrib.texi: Add Mat Hostetter and self.
2846 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2847 Document instruction intrinsics and network accessing intrinsics.
2848 (TILEPro Built-in Functions): New node. Document instruction
2849 intrinsics and network accessing intrinsics.
2850 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2851 (Specific, tilepro-*-linux*): Likewise.
2852 * doc/invoke.texi (TILE-Gx Options): New section.
2853 (TILEPro Options): New section.
2854 * doc/md.texi (TILE-Gx): New section.
2855 (TILEPro): New section.
2856 * common/config/tilegx/tilegx-common.c: New file.
2857 * common/config/tilepro/tilepro-common.c: New file.
2858 * config/tilegx/constraints.md: New file.
2859 * config/tilegx/linux.h: New file.
2860 * config/tilegx/mul-tables.c: New file.
2861 * config/tilegx/predicates.md: New file.
2862 * config/tilegx/sync.md: New file.
2863 * config/tilegx/t-tilegx: New file.
2864 * config/tilegx/tilegx-builtins.h: New file.
2865 * config/tilegx/tilegx-c.c: New file.
2866 * config/tilegx/tilegx-generic.md: New file.
2867 * config/tilegx/tilegx-modes.def: New file.
2868 * config/tilegx/tilegx-multiply.h: New file.
2869 * config/tilegx/tilegx-protos.h: New file.
2870 * config/tilegx/tilegx.c: New file.
2871 * config/tilegx/tilegx.h: New file.
2872 * config/tilegx/tilegx.md: New file.
2873 * config/tilegx/tilegx.opt: New file.
2874 * config/tilepro/constraints.md: New file.
2875 * config/tilepro/gen-mul-tables.cc: New file.
2876 * config/tilepro/linux.h: New file.
2877 * config/tilepro/mul-tables.c: New file.
2878 * config/tilepro/predicates.md: New file.
2879 * config/tilepro/t-tilepro: New file.
2880 * config/tilepro/tilepro-builtins.h: New file.
2881 * config/tilepro/tilepro-c.c: New file.
2882 * config/tilepro/tilepro-generic.md: New file.
2883 * config/tilepro/tilepro-modes.def: New file.
2884 * config/tilepro/tilepro-multiply.h: New file.
2885 * config/tilepro/tilepro-protos.h: New file.
2886 * config/tilepro/tilepro.c: New file.
2887 * config/tilepro/tilepro.h: New file.
2888 * config/tilepro/tilepro.md: New file.
2889 * config/tilepro/tilepro.opt: New file.
2891 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2893 PR tree-optimization/52210
2894 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2895 vect_model_simple_cost with two entry vect_def_type array instead
2896 of an address of dt.
2898 2012-02-14 Richard Guenther <rguenther@suse.de>
2901 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2902 Do not stream DECL_QUALIFIER.
2903 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2904 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2905 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2907 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2910 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2913 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2916 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2917 * cselib.c (cselib_subst_to_values_from_insn): New function.
2918 * sched-deps.c (add_insn_mem_dependence,
2919 sched_analyze_1, sched_analyze_2): Use it.
2921 2012-02-13 Jan Hubicka <jh@suse.cz>
2924 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2926 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2928 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2929 (GTM_SELF_SPECS): Define if not already defined.
2930 (driver_self_specs): Add GTM_SELF_SPECS.
2931 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2932 (GTM_SELF_SPECS): Define.
2933 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2934 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2936 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2938 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2941 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2944 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2945 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2947 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2950 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2952 2012-02-13 Richard Guenther <rguenther@suse.de>
2954 PR translation/52211
2955 * passes.c (enable_disable_pass): Fix typo.
2957 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2960 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2961 XOR for reduce_bit_field if type is unsigned.
2963 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2965 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2966 disallow changes from SFmode to mode with different size in FP regs.
2968 2012-02-12 Robert Millan <rmh@gnu.org>
2969 Gerald Pfeifer <gerald@pfeifer.com>
2971 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2974 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2976 PR rtl-optimization/52175
2977 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2978 to frame-related instructions.
2980 2012-02-10 Jason Merrill <jason@redhat.com>
2983 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2984 (demangle_new_symbols): Fill it.
2985 (scan_linker_output): Walk it.
2986 (start_tweaking): Split out from scan_linker_output.
2987 (maybe_tweak): Update sym->chosen.
2988 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2990 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2993 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2995 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2997 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2998 having the same mode as previous compare.
3000 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
3002 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3003 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3004 (nonlocal_goto_internal): Likewise.
3005 (nonlocal_goto): Emit a use and an indirect jump directly.
3007 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
3010 * doc/extend.texi : Update comments for __atomic_compare_exchange and
3011 __atomic_{is,always}_lock_free.
3013 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
3016 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3017 negative constant address for x32.
3019 2012-02-10 Richard Henderson <rth@redhat.com>
3021 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3022 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3023 for GIMPLE_TRANSACTION. Tidy if's into a switch.
3025 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3026 Ira Rosen <irar@il.ibm.com>
3028 PR tree-optimization/50031
3029 * targhooks.c (default_builtin_vectorization_cost): Handle
3031 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3032 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3033 all types of reduction and pattern statements.
3034 (vect_estimate_min_profitable_iters): Likewise.
3035 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3036 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3037 for explicit realigns.
3038 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3039 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3041 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3042 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3043 vec_perm for VSX and handle vec_promote_demote.
3045 2012-02-10 Jakub Jelinek <jakub@redhat.com>
3048 * builtins.c (fold_builtin_atomic_always_lock_free,
3049 expand_builtin_atomic_always_lock_free,
3050 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3051 Return and/or test boolean_true_node/boolean_false_node instead of
3052 integer_one_node/integer_zero_node.
3054 2012-02-10 Jan Hubicka <jh@suse.cz>
3057 * predict.c (predict_paths_for_bb): Prevent looping.
3058 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3060 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
3062 * config/arm/arm.c (output_move_double): In one case properly
3063 count number of instructions that will be emitted.
3065 2012-02-10 Richard Guenther <rguenther@suse.de>
3067 PR translation/52193
3068 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3070 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
3073 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3075 2012-02-09 Jakub Jelinek <jakub@redhat.com>
3078 * var-tracking.c (emit_note_insn_var_location): If
3079 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3080 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3081 non-NOTE_DURING_CALL_P insn.
3083 2012-02-09 Bin Cheng <bin.cheng@arm.com>
3086 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3088 2012-02-08 Magnus Granberg <zorry@gentoo.org>
3091 * gcc.c (switch_matches) Support switches with separated form,
3094 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
3096 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3098 (RAMPZ_ADDR): Ditto.
3099 * config/avr/avr.c (avr_addr_t): New typedef.
3100 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3101 (avr_init_expanders): Initialize it.
3102 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3104 (expand_epilogue): Ditto.
3105 (avr_print_operand): Ditto.
3106 (avr_file_start): Ditto.
3107 (avr_emit_movmemhi): Ditto.
3109 2012-02-08 Richard Guenther <rguenther@suse.de>
3111 PR tree-optimization/46886
3112 * tree-flow.h (do_while_loop_p): Declare.
3113 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3114 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3116 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3118 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3119 always succeed for integers larger than a native word.
3121 2012-02-08 Richard Guenther <rguenther@suse.de>
3123 PR rtl-optimization/52170
3124 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3125 properly handle integer vector modes.
3127 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3129 PR gcov-profile/52150
3130 * coverage.c: Include target.h.
3131 (build_var): Call targetm.strip_name_encoding on the assembler name.
3132 Change one _ into . or $ if the target allows it.
3133 * Makefile.in (coverage.o): Depend on $(TARGET_H).
3135 PR rtl-optimization/52139
3136 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3137 is a BARRIER after emit_insn_after_noloc, move BB_END
3138 to the last non-BARRIER insn before it.
3140 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
3143 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3144 (mips_gimplify_va_arg_expr): Call it instead of
3145 std_gimplify_va_arg_expr.
3147 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3149 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3150 message for -mno-pointers-to-nested-function.
3152 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
3155 * expr.c (get_inner_reference): If there is an offset, add a negative
3156 bit position to it (if any).
3158 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3160 PR rtl-optimization/52060
3161 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3162 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3163 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3164 and/or i0src_copy2 when needed.
3166 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3168 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3169 or LTOPLUGINSONAME if have_c.
3171 * config/freebsd-spec.h: Add comment about what macros can be defined
3173 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3174 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3177 2012-02-07 Richard Guenther <rguenther@suse.de>
3179 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3180 newline in -alias dumps.
3182 2012-02-07 Kai Tietz <ktietz@redhat.com>
3183 Dave Korn <dave.korn.cygwin@gmail.com>
3186 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3187 Take care that typinfo gets dllexport-attribute.
3189 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3192 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3193 if modifier < EXPAND_SUM call force_operand on the result.
3195 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3197 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3198 adding __forwarder_dst__ prefix if a forwarder_section attribute is
3200 (epiphany_function_type): Replace types for specific interrupts with
3201 EPIPHANY_FUNCTION_INTERRUPT.
3202 (EPIPHANY_INTERRUPT_P): Update.
3203 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3204 New static function.
3205 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3206 <disinterrupt>: Affects type identity.
3207 (epiphany_handle_interrupt_attribute): Handle variable number of
3209 (epiphany_compute_function_type): Update for new
3210 epiphany_function_type definition.
3211 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3212 handlers with a longcall forwarder.
3213 (epiphany_start_function): Handle multiple interrupt arguments and/or
3214 forwarder_section attribute.
3216 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3219 2012-02-07 Alan Modra <amodra@gmail.com>
3222 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3225 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3227 PR tree-optimization/50969
3228 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3229 use vec_perm rather than vector_stmt.
3230 (vect_model_load_cost): Likewise.
3231 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3232 vec_perm to be the same as other vector statements.
3233 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3234 cost of vec_perm for TARGET_VSX.
3236 2012-02-06 Richard Guenther <rguenther@suse.de>
3238 PR tree-optimization/52115
3239 * tree-sra.c (access_has_replacements_p): New function.
3240 (sra_modify_assign): Use it to decide whether a use is uninitialized.
3242 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
3245 * trans-mem.c (expand_call_tm): Add an assertion.
3246 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3249 2012-02-06 Richard Guenther <rguenther@suse.de>
3251 PR tree-optimization/50955
3252 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3253 raise cost of expressions that replace an address with an
3254 expression based on a different pointer.
3256 2012-02-06 Jakub Jelinek <jakub@redhat.com>
3259 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3260 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3262 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
3265 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3266 -Weffc++ and specify guidelines come from second edition.
3268 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3270 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3271 (sibcall_value_multiple_internal, call_split, call_internal_direct)
3272 (call_direct_split, call_value_split, call_value_internal_direct)
3273 (call_value_direct_split, call_value_multiple_split): Use jal and
3274 jal_macro attributes.
3276 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3278 * reload1.c (reload_regs_reach_end_p): Replace with...
3279 (reload_reg_rtx_reaches_end_p): ...this function.
3280 (new_spill_reg_store): Update commentary.
3281 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3282 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3283 before setting new_spill_reg_store.
3284 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3285 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3286 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3287 for non-spill reload registers.
3289 2012-02-05 Ira Rosen <irar@il.ibm.com>
3291 PR tree-optimization/52091
3292 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3293 (vect_is_simple_use_1): Likewise.
3294 * tree-vect-loop.c (vectorizable_reduction): Update calls
3295 to vect_is_simple_use_1 and vect_is_simple_use.
3296 (vectorizable_live_operation): Likewise.
3297 * tree-vect-patterns.c (widened_name_p,
3298 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3299 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3300 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3301 vectorizable_shift,vectorizable_operation, vectorizable_store,
3302 vectorizable_load): Likewise.
3303 (vect_is_simple_cond): Add an argument, pass it to
3304 vect_is_simple_use_1.
3305 (vectorizable_condition): Update calls to vect_is_simple_cond,
3307 (vect_is_simple_use): Add an argument, the statement in which
3308 OPERAND is used. Check that if OPERAND's def stmt is a double
3309 reduction phi node, the use is a phi node too.
3310 (vect_is_simple_use_1): Add an argument, pass it to
3312 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3313 to vect_is_simple_use.
3315 2012-02-04 Jakub Jelinek <jakub@redhat.com>
3317 PR rtl-optimization/52095
3318 * modulo-sched.c (dump_insn_locator): New function.
3319 (loop_canon_p, sms_schedule): Use it.
3321 PR rtl-optimization/52113
3322 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3323 even for decomposable shift/zext insns.
3325 2012-02-03 Jakub Jelinek <jakub@redhat.com>
3326 Zdenek Dvorak <ook@ucw.cz>
3328 PR rtl-optimization/52092
3329 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3330 on get_iv_value result.
3332 2012-02-02 Andrew Pinski <apinski@cavium.com>
3336 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3338 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3341 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3343 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
3345 PR rtl-optimization/49800
3346 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3347 (sched_finish): Call regstat_free_n_sets_and_refs.
3349 2012-02-02 Jia Liu <proljc@gmail.com>
3351 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3354 2012-02-02 Jan Hubicka <jh@suse.cz>
3355 Tom de Vries <tom@codesourcery.com>
3358 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3359 * varpool.c (varpool_analyze_pending_decls): Likewise.
3361 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3362 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3364 * config.gcc: Add cr16-* support.
3366 * doc/extend.texi: Document cr16 extensions.
3367 * doc/install.texi: Document cr16 install.
3368 * doc/invoke.texi: Document cr16 options.
3369 * doc/md.texi: Document cr16 constraints.
3371 * common/config/cr16/cr16-common.c: New file.
3372 * config/cr16/cr16.c: New file.
3373 * config/cr16/cr16.h: New file.
3374 * config/cr16/cr16.md: New file.
3375 * config/cr16/cr16.opt: New file.
3376 * config/cr16/cr16-protos.h: New file.
3377 * config/cr16/predicates.md: New file.
3378 * config/cr16/constraints.md: New file.
3379 * config/cr16/t-cr16: New file.
3381 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3384 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3385 that operands[2] is either immediate, or q_regs_operand.
3387 PR tree-optimization/52073
3388 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3389 a pattern stmt for pattern uses, ignore uses outside of the loop.
3391 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3393 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3394 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3395 (OUT_AS1, OUT_AS2): Remove.
3397 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3399 PR rtl-optimization/51374
3400 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3401 to cross other volatile_refs_p insns.
3403 2012-02-01 Richard Guenther <rguenther@suse.de>
3405 * doc/invoke.texi (fno-inline): Clarify documentation.
3406 (finline-small-functions): Likewise.
3407 (finline-functions): Likewise.
3408 * common.opt (finline): Adjust comment and documentation.
3409 (finline-small-functions): Clarify documentation.
3410 (finline-functions): Likewise.
3411 (finline-functions-called-once): Likewise.
3413 2012-02-01 Tristan Gingold <gingold@adacore.com>
3415 * c-typeck.c (composite_type): Keep mode for pointers.
3417 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3419 * function.h (regno_reg_rtx): Adjust comment.
3420 * reginfo.c (init_reg_modes_target): Only use the previous mode
3421 if it fits within one register. Remove MIPS comment.
3423 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3426 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3428 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3430 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3431 to srak instruction.
3433 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3435 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3437 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3442 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3444 2012-01-31 Richard Guenther <rguenther@suse.de>
3446 PR tree-optimization/51528
3447 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3450 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3455 * ree.c (add_removable_extension): Change def_map argument
3456 to unsigned *, store in def_map 1 + offset into *insn_list vector
3457 instead of pointers into the vector.
3458 (find_removable_extensions): Adjust caller.
3460 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3462 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3463 Transform all "* quoted-c-code" to { c-code }.
3464 Remove redundant test for "optimize" in combine patterns.
3465 Move (include "avr-dimode.md") to end of file.
3467 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3470 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3471 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3473 2012-01-30 Richard Guenther <rguenther@suse.de>
3475 PR tree-optimization/52028
3476 * tree-loop-distribution.c (ldist_gen): Properly update
3479 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3482 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3483 set_cur_line_info_table if not emitting debug info.
3485 PR tree-optimization/52046
3486 * tree-vect-patterns.c (check_bool_pattern): Give up if
3487 a comparison could throw.
3490 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3492 2012-01-30 Richard Guenther <rguenther@suse.de>
3494 PR tree-optimization/52045
3495 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3496 SSA form if cfgcleanup did anything.
3498 2012-01-30 Richard Guenther <rguenther@suse.de>
3500 PR tree-optimization/52045
3501 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3502 before computing final todo.
3504 2012-01-30 Richard Guenther <rguenther@suse.de>
3506 PR tree-optimization/51528
3507 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3510 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3512 * df-problems.c (df_kill_notes): Check that the use refers
3513 to the note under examination.
3515 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3518 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3519 parameter and use short-lived pseudos.
3520 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3521 (sparc_expand_vector_init): Const-ify local variables and adjust
3522 calls to above functions.
3524 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3526 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3528 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3530 * doc/invoke.texi: Make usage of "compile time" and
3531 "run time"/"runtime" consistent throughout the file.
3533 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3535 * config/alpha/alpha.c (alpha_option_override): Default to
3536 full IEEE compliance mode for Go language.
3538 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3540 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3541 (LINK_SSP_SPEC): Define.
3543 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3546 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3549 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3551 * doc/invoke.texi: Correct hyphenation of "floating point",
3552 "double precision", and related terminology throughout the file.
3554 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3557 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3558 arm_general_register_operand predicate for operand 2 instead of
3561 2012-01-27 Ian Lance Taylor <iant@google.com>
3564 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3565 * builtins.c (expand_builtin_init_trampoline): Add onstack
3566 parameter. Change caller.
3567 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3568 * tree.c (build_common_builtin_nodes): Declare
3569 __builtin_init_heap_trampoline.
3571 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3573 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3574 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3575 * config/avr/avr.c: Ditto.
3576 (avr_regnames): Remove because unused.
3577 * config/avr/avr.md (*cpse.ne): New peephole.
3578 (*cpse.eq): New peephole from former cpse peepholes.
3580 2012-01-27 Michael Eager <eager@eagercon.com>
3582 * config/microblaze.c (microblaze_emit_compare): Correct
3583 test after pcmp instruction.
3585 2012-01-27 Richard Guenther <rguenther@suse.de>
3587 PR tree-optimization/52020
3588 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3590 2012-01-27 Richard Guenther <rguenther@suse.de>
3592 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3593 function non-const/pure.
3595 2012-01-27 Richard Guenther <rguenther@suse.de>
3597 PR tree-optimization/50444
3598 * tree-sra.c (build_ref_for_offset): Properly adjust the
3599 MEM_REF type for unaligned accesses.
3601 2012-01-27 Richard Guenther <rguenther@suse.de>
3603 PR tree-optimization/50444
3604 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3605 (expand_assignment): Use it. Properly handle misaligned
3606 bases when expanding stores to component references.
3607 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3610 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3613 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3614 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3615 * tree-data-ref.c (find_data_references_in_loop): Make static.
3616 (compute_all_dependences): Change return type to bool. Bail out
3617 for too many datarefs in a loop. Move the hunk resetting the data
3618 dependences vector from ...
3619 (compute_data_dependences_for_loop): ... here. Account for
3620 compute_all_dependences returning false.
3621 (compute_data_dependences_for_bb): Likewise.
3622 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3623 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3625 2012-01-27 Richard Guenther <rguenther@suse.de>
3628 * expr.c (store_field): Use the alias-set of the scratch memory
3631 2012-01-27 Tom de Vries <tom@codesourcery.com>
3633 PR tree-optimization/51990
3634 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3636 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3638 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3641 * var-tracking.c (reverse_op): Don't add any reverse operation
3642 if V already has any constant locations.
3644 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3646 * doc/invoke.texi: Correct usage of "command line" (noun)
3647 vs "command-line" (adjective) throughout.
3649 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3651 * doc/invoke.texi (Language Independent Options): Move
3652 -Wcoverage-mismatch blurb from here....
3653 (Warning Options): ...to here.
3655 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3657 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3658 Set rs6000_always_hint to false for 476.
3660 2012-01-27 Matthias Klose <doko@ubuntu.com>
3662 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3664 * incpath.c (add_standard_paths): Likewise.
3666 2012-01-27 Richard Henderson <rth@redhat.com>
3668 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3669 * config/m68k/sync.md (atomic_test_and_set): Rename from
3670 sync_test_and_setqi and adjust the operands.
3671 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3672 and unconditionally enable.
3674 2012-01-27 Richard Henderson <rth@redhat.com>
3676 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3677 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3678 (ldstub): Rename from ldstubqi.
3679 (ldstub<I24MODE>): Remove.
3681 2012-01-27 Richard Henderson <rth@redhat.com>
3683 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3684 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3685 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3686 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3687 * doc/tm.texi: Rebuild.
3689 2012-01-27 Richard Henderson <rth@redhat.com>
3691 * optabs.c (gen_atomic_test_and_set): Remove default.
3692 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3694 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3696 PR rtl-optimization/51978
3697 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3698 (combine_reaching_defs): Likewise.
3699 (struct re_info): Remove.
3700 (add_removable_extension): Remove x and data arguments,
3701 add insn, insn_list and def_map. Use the arguments directly
3702 instead of using struct re_info.
3703 (find_removable_extensions): Don't call add_removable_extension
3704 through note_stores, instead just call it with single_set
3706 (find_and_remove_re): Pass curr_cand->expr instead of
3707 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3709 2012-01-26 Michael Matz <matz@suse.de>
3711 PR tree-optimization/46590
3712 * cfgexpand.c: Revert last change (r183305).
3713 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3715 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3716 checking for emptiness.
3718 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3721 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3722 non-addressable non-BLKmode base correctly.
3724 2012-01-26 Michael Matz <matz@suse.de>
3726 PR tree-optimization/48794
3727 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3728 regions referenced from RESX/EH_DISPATCH.
3730 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3732 * config/s390/s390.h: Make BRANCH_COST an option.
3733 * config/s390/s390.opt: New option -mbranch-cost.
3735 2012-01-26 Richard Henderson <rth@redhat.com>
3737 Revert 2012-01-24 change:
3738 * trans-mem.c (requires_barrier): Do not instrument thread local
3739 variables and emit save/restore for them.
3741 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3744 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3747 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3749 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3752 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3755 Rename __pgm to __flash.
3756 Rename __pgm1 to __flash1.
3757 Rename __pgm2 to __flash2.
3758 Rename __pgm3 to __flash3.
3759 Rename __pgm4 to __flash4.
3760 Rename __pgm5 to __flash5.
3761 Rename __pgmx to __memx.
3762 * doc/extend.texi (AVR Named Address Spaces)
3763 Rename address space names as indicated above.
3764 * config/avr/avr.c (avr_addrspace): Ditto.
3766 * config/avr/avr-protos.h
3767 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3768 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3769 * config/avr/predicates.md: Ditto.
3770 * config/avr/avr.c Ditto, and
3771 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3772 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3774 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3775 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3776 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3777 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3778 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3779 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3780 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3781 * config/avr/avr.c: Ditto.
3782 * config/avr/avr.md: Ditto.
3784 2012-01-25 Jason Merrill <jason@redhat.com>
3787 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3789 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3791 PR tree-optimization/51987
3792 * tree-data-ref.c (get_references_in_stmt): Handle references in
3793 non-volatile GIMPLE_ASM.
3795 2012-01-25 Richard Guenther <rguenther@suse.de>
3797 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3798 bases are dereferenced.
3800 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3802 PR rtl-optimization/48374
3803 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3805 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3807 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3808 compute_data_dependences_for_loop returns false.
3809 * tree-parloops.c (loop_parallel_p): Likewise.
3811 2012-01-25 Richard Guenther <rguenther@suse.de>
3813 * tree.h (get_pointer_alignment_1): Declare.
3814 * builtins.c (get_pointer_alignment_1): New function.
3815 (get_pointer_alignment): Use it.
3817 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3819 PR rtl-optimization/48308
3820 * combine.c (enum undo_kind): Add UNDO_LINKS.
3821 (struct undo): Add member l to other_contents and where.
3822 (do_SUBST_LINK): New.
3824 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3825 (undo_all): Handle UNDO_LINKS.
3827 2012-01-25 Richard Henderson <rth@redhat.com>
3829 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3832 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3834 * optabs.c (gen_atomic_test_and_set): Use each argument.
3836 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3838 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3839 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3840 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3841 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3842 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3843 TARGET_PAIRED_SINGLE_FLOAT.
3845 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3847 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3848 (in_struct, return_val): Remove MEM documentation.
3849 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3850 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3851 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3853 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3854 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3855 * expr.c (store_field): Likewise.
3856 * function.c (assign_stack_temp_for_type): Likewise.
3857 * ifcvt.c (noce_try_cmove_arith): Likewise.
3858 * reload1.c (reload): Likewise.
3859 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3860 (alpha_set_memflags): Likewise.
3861 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3863 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3865 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3867 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3868 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3869 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3871 * cselib.c (cselib_rtx_varies_p): Delete.
3872 (cselib_invalidate_mem): Update call to canon_true_dependence.
3873 * dse.c (record_store, check_mem_read_rtx): Likewise.
3874 (scan_reads_nospill): Likewise.
3875 * cse.c (check_dependence): Likewise.
3876 (cse_rtx_varies_p): Delete.
3877 * expr.c (safe_from_p): Update call to true_dependence.
3878 * ira.c (validate_equiv_mem_from_store): Likewise.
3879 (memref_referenced_p): Likewise.
3880 * postreload-gcse.c (find_mem_conflicts): Likewise.
3881 * sched-deps.c (sched_analyze_2): Likewise.
3882 * store-motion.c (load_kills_store): Likewise.
3883 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3884 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3885 (compute_transp): Update call to canon_true_dependence.
3887 2012-01-25 Richard Henderson <rth@redhat.com>
3889 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3890 (maybe_emit_atomic_test_and_set): New.
3891 (expand_sync_lock_test_and_set): Use it.
3892 (expand_atomic_test_and_set): Likewise.
3893 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3894 the implementation; clarify implementation defined details.
3895 * doc/md.texi (atomic_test_and_set): Document.
3897 2012-01-25 Richard Henderson <rth@redhat.com>
3899 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3901 2012-01-25 Richard Henderson <rth@redhat.com>
3904 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3905 to effect no-op split.
3907 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3910 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3911 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3912 (BT_FN_VOID_PTR_INT_SIZE): New.
3913 (BT_FN_UINT_UINT_VAR): Remove.
3914 (BT_FN_UINT32_UINT32_VAR): New.
3915 (BT_FN_DOUBLE_VPTR): Remove.
3916 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3918 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3919 (_ITM_changeTransactionMode): Same.
3920 (_ITM_memmoveRtWt): Change return type to void.
3921 (_ITM_memcpyRtWt): Same.
3922 (_ITM_memsetW): Same.
3923 (_ITM_RaRD): Change types to double.
3928 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3930 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3931 Patrick Marlier <patrick.marlier@gmail.com>
3933 * trans-mem.c (requires_barrier): Do not instrument thread local
3934 variables and emit save/restore for them.
3936 2012-01-24 Jason Merrill <jason@redhat.com>
3939 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3940 output static aliases.
3942 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3945 * common.opt (-pie, -shared, pie, shared): Change from Common to
3947 * gcc.c (display_help): Display help for -pie and -shared.
3949 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3952 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3953 Remove note on size/offset limitation.
3954 (AVR Variable Attributes): Add example how to read data located
3955 with progmem. Refer to named address spaces.
3956 * doc/invoke.texi (AVR Options): Fix typo.
3958 2012-01-24 Richard Guenther <rguenther@suse.de>
3960 Forward-port to trunk
3961 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3964 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3965 op0 isn't sufficiently aligned and there is movmisalignM
3966 insn for mode, use it to load op0 into a temporary register.
3968 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3971 * target.def (const_not_ok_for_debug_p): New hook.
3972 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3974 * doc/tm.texi: Regenerated.
3975 * dwarf2out.c (const_ok_for_output_1): If
3976 targetm.const_not_ok_for_debug_p returns true, fail.
3977 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3979 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3981 2012-01-23 Kai Tietz <ktietz@redhat.com>
3984 * config/i386/predicates.md (symbolic_operand): Allow
3985 UNSPEC_PCREL as PIC expression for lea.
3986 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3987 * config/i386/i386.c (ix86_delegitimize_address): Handle
3988 UNSPEC_PCREL for none-MEM, too.
3990 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3992 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3993 (ipa_tm_create_version_alias): Same.
3995 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3998 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3999 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4001 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4002 Patrick Marlier <patrick.marlier@gmail.com>
4003 Iain Sandoe <developer@sandoe-acoustics.co.uk>
4006 * lto-wrapper.c (run_gcc): Pass the LTO section name to
4007 simple_object_start_read.
4009 2012-01-23 Richard Guenther <rguenther@suse.de>
4012 PR tree-optimization/51895
4013 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4014 parameter decomposition into BLKmode components.
4016 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
4018 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4019 fake variables for restrict-qualified pointers whose pointed-to type
4020 contains a placeholder.
4022 2012-01-23 Richard Guenther <rguenther@suse.de>
4024 PR tree-optimization/51949
4025 * ipa-split.c (execute_split_functions): Do not split malloc functions.
4027 2012-01-23 Jakub Jelinek <jakub@redhat.com>
4029 PR rtl-optimization/51933
4030 * ree.c (transform_ifelse): Return true right away if dstreg is
4031 already wider or equal to cand->mode.
4032 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4033 (make_defs_and_copies_lists): Remove defs_list and copies_list
4034 arguments, add state argument, just truncate state->work_list
4035 instead of always allocating and freeing the vector. Assert that
4036 get_defs succeeds instead of returning 2. Changed return type to bool.
4037 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
4038 have ext_src_mode, see if it has been modified already with the
4039 right kind of extension and has been extended before from the
4040 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
4041 just return true. Remember the original mode in state->modified array.
4042 (combine_reaching_defs): Add state argument. Don't allocate and
4043 free here def_list, copied_list and vec vectors, instead just
4044 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
4045 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4046 Add state variable, clear vectors in it, initialize state.modified
4047 if needed. Free all the vectors at the end and state.modified too.
4048 Don't skip a candidate if the extension expression has been modified.
4050 2012-01-22 Douglas B Rupp <rupp@gnat.com>
4053 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4054 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4055 (extra_options) interix.opt -> i386/interix.opt"
4056 (extra_objs):Add winnt-stubs.o
4057 * configure.ac: Add interix to target_os .comm on PE check.
4058 * configure: Regenerate.
4059 * config/interix3.h: Delete and move bits to..
4060 * config/interix.h: Delete and move bits to..
4061 * config/i386/i386-interix3.h: Delete and move bits to..
4062 * config/i386/i386-interix.h: ..here.
4063 (TARGET_CPU_DEFAULT): Remove redefinition.
4064 (TARGET_ASM_CONSTRUCTOR): Undefine.
4065 (SUBTARGET_SWITCHES): Define for ms-bitfields.
4066 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4067 (PTRDIFF_TYPE): Define.
4068 (LONG_DOUBLE_TYPE_SIZE): Define.
4069 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4070 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4071 (TARGET_SECTION_TYPE_FLAGS): Define.
4072 (ASM_DECLARE_FUNCTION_NAME): Define.
4073 (ASM_OUTPUT_EXTERNAL): Define.
4074 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4075 (ASM_OUTPUT_ALIGNED_BSS): Define.
4076 (PCC_BITFIELD_TYPE_MATTERS): Define.
4077 (USE_CONST_SECTION): Define.
4078 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4079 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4080 (SUPPORTS_ONE_ONLY): Remove.
4081 (I386_PE_STRIP_ENCODING): Define.
4082 * config/interix.opt: Delete and move bits to..
4083 * config/i386/interix.opt: ..here. New.
4084 (mpe-aligned-commons): Add.
4085 * config/i386/t-interix: Add copyright header.
4086 (winnt-stubs.o): Add rule.
4088 2012-01-22 Jason Merrill <jason@redhat.com>
4091 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4092 for extra name aliases.
4094 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
4096 PR rtl-optimization/51924
4097 * ree.c (combine_set_extension): Improve debugging message.
4098 (combine_reaching_defs): Likewise.
4099 (get_defs): Rename confusingly named variable.
4100 (find_and_remove_re): Skip a candidate if the extension expression has
4103 2012-01-21 Robert Millan <rmh@gnu.org>
4104 Gerald Pfeifer <gerald@pfeifer.com>
4106 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4107 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4109 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4111 PR tree-optimization/51914
4112 * tree-vect-stmts.c (vectorizable_conversion): For
4113 cvt_type && modifier == WIDEN, put temporary with cvt_type
4114 at the beginning of vec_dsts and set vec_dest to temporary
4117 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
4119 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4121 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
4123 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4124 * config/rs6000/rs6000.c: Likewise.
4126 2012-01-20 Jakub Jelinek <jakub@redhat.com>
4129 * config/arm/arm.c (arm_count_output_move_double_insns): Call
4130 output_move_double on a copy of operands array.
4132 2012-01-20 Cary Coutant <ccoutant@google.com>
4133 Dodji Seketeli <dodji@redhat.com>
4136 * dwarf2out.c (copy_declaration_context): Return ref to parent
4137 of declaration DIE, if necessary.
4138 (remove_child_or_replace_with_skeleton): Add new parameter; update
4139 caller. Place skeleton DIE under parent DIE of original declaration.
4140 Move call to copy_declaration_context to here ...
4141 (break_out_comdat_types): ... from here.
4143 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4145 PR rtl-optimization/51856
4146 * reload.c (find_reloads_subreg_address): Set the address_reloaded
4149 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4152 * config/arm/arm.c (arm_print_operand): Correct output of alignment
4153 hints for neon loads and stores.
4155 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
4159 * doc/extend.texi (Named Address Spaces): Split into subsections.
4160 (AVR Named Address Spaces): New subsection.
4161 (M32C Named Address Spaces): New subsection.
4162 (RL78 Named Address Spaces): New subsection.
4163 (SPU Named Address Spaces): New subsection.
4164 (Variable Attributes): New anchor "AVR Variable Attributes".
4165 (AVR Variable Attributes): Rewrite and avoid wording
4166 "address space" in this context.
4167 * doc/invoke.texi (AVR Options): Rewrite and add documentation
4168 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4169 (AVR Built-in Macros): New subsubsection therein.
4170 * doc/md.texi (AVR constraints): Remove "C04", "R".
4172 2012-01-20 Richard Guenther <rguenther@suse.de>
4174 PR tree-optimization/51903
4175 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4176 when removing stmts.
4178 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4181 * config/arm/arm.c (arm_load_pic_register): Use
4182 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4183 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4184 (arm_pic_static_addr): Likewise.
4185 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4186 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4187 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4188 (pic_load_addr_unified): New.
4190 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
4193 * function.c (instantiate_virtual_regs_in_insn): Use
4194 delete_insn_and_edges when removing a wrong asm insn.
4196 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
4198 PR rtl-optimization/40761
4199 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4200 Add new member loop_num.
4201 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4202 (ira_build): Remove the parameter.
4204 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4205 (ira.c): Do not build CFG loops for one region allocation. Remove
4206 argument from ira_build call.
4208 * ira-build.c (init_loop_tree_node): New function.
4209 (create_loop_tree_nodes): Use it. Separate the case when CFG
4210 loops are not built.
4211 (more_one_region_p): Check current_loops.
4212 (finish_loop_tree_nodes): Separate the case when CFG loops are not
4214 (add_loop_to_tree): Process loop equal to NULL too.
4215 (form_loop_tree): Separate the case when CFG loops are not built.
4216 Use explicitly number for the root.
4217 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4219 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4220 instead of loop->num.
4221 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
4222 (mark_all_loops_for_removal): Ditto.
4223 (remove_unnecessary_regions): Separate the case when CFG loops
4225 (ira_build): Remove the parameter. Use explicit number of regions
4226 when CFG loops are not built.
4228 * ira-color.c (print_loop_title): Separate the case for the root node.
4229 Use loop_num instead of loop->num.
4230 (move_spill_restore): Use loop_num instead of loop->num.
4232 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4233 (change_loop): Ditto.
4234 (change_loop): Use loop_num instead of loop->num.
4236 * ira-lives.c (process_bb_node_lives): Ditto.
4238 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4240 * ira-conflicts.c (print_allocno_conflicts): Ditto.
4242 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4245 * tree-mudflap.c (mf_artificial): New function.
4246 (execute_mudflap_function_ops, execute_mudflap_function_decls,
4247 mx_register_decls, mudflap_enqueue_decl): Use it.
4250 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4251 numbers in the insn pattern.
4253 2012-01-19 Michael Matz <matz@suse.de>
4255 PR tree-optimization/46590
4256 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4257 use it in remembering which conflicts we already created.
4258 (add_scope_conflicts): Adjust call to above, (de)allocate helper
4261 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
4264 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4265 (merge_and_complain): Same.
4267 2012-01-19 Jakub Jelinek <jakub@redhat.com>
4270 * config/initfini-array.h: Guard content of the header
4271 with #ifdef HAVE_INITFINI_ARRAY.
4272 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4273 Add initfini-array.h to tm_file here.
4274 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4275 * config.gcc: Don't add initfini-array.h to tm_file here.
4276 * configure: Regenerated.
4278 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
4280 PR rtl-optimization/51505
4281 * df-problems.c (df_kill_notes): New parameter live. Update comment.
4282 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4283 (df_note_bb_compute): Update the call to df_kill_notes.
4285 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
4287 * trans-mem.c (requires_barrier): Remove call to is_global_var.
4289 2012-01-18 Richard Guenther <rguenther@suse.de>
4291 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4292 of conversions to void *.
4294 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4295 Richard Sandiford <rdsandiford@googlemail.com>
4299 * optabs.h (simplify_expand_binop): Declare.
4300 * optabs.c (simplify_expand_binop): Make global.
4301 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4302 endian targets if the source cannot be exactly covered by word
4305 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4308 * hard-reg-set.h (struct hard_reg_set_container): New type.
4309 * target.h (struct hard_reg_set_container): Forward declare.
4310 * target.def (set_up_by_prologue): New target hook.
4311 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4312 * doc/tm.texi: Regenerated.
4313 * function.c (thread_prologue_and_epilogue_insns): Change
4314 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4315 Call targetm.set_up_by_prologue on it.
4316 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4317 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4319 2012-01-17 Nick Clifton <nickc@redhat.com>
4321 * config/rx/rx.c (rx_can_use_simple_return): New function.
4322 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4323 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4325 2012-01-17 Richard Guenther <rguenther@suse.de>
4328 * expr.c (expand_assignment): Take address-space information
4329 from the address operand of MEM_REF and TARGET_MEM_REF.
4330 (expand_expr_real_1): Likewise.
4332 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4334 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4335 reload dump is requested.
4337 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
4340 * trans-mem.c (requires_barrier): Call may_be_aliased.
4342 2012-01-17 Jakub Jelinek <jakub@redhat.com>
4344 PR tree-optimization/51877
4345 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4346 call arguments and fndecls compare equal, instead return false if they
4347 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4348 both SSA_NAMEs that are valueized the same, or they satisfy
4351 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4353 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4355 * configure: Regenerate.
4357 2012-01-16 Jan Hubicka <jh@suse.cz>
4361 * convert.c (convert_to_integer): Use fold_convert for
4362 converting an INTEGER_CST to integer type.
4364 2012-01-16 Jason Merrill <jason@redhat.com>
4367 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4369 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4372 * config/s390/s390.c (s390_chunkify_start): Don't skip
4373 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4374 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4375 If insn is followed by NOTE_INSN_VAR_LOCATION or
4376 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4377 Don't use location of note insns.
4379 PR tree-optimization/51865
4380 * tree-inline.c (tree_function_versioning): Call remap_decl
4381 on DECL_RESULT whenever it has VOID_TYPE_P type.
4383 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4385 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4386 for calls to locally-binding MIPS16 functions if only the return
4387 type uses float regs.
4389 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4390 Richard Sandiford <rdsandiford@googlemail.com>
4392 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4393 (SYMBOL_32_HIGH): Likewise.
4394 (mips_output_tls_reloc_directive): Declare.
4395 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4396 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4397 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4398 (mips_lo_relocs, mips_hi_relocs): Make extern.
4399 (mips16_stub_function): Move up file.
4400 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4401 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4402 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4403 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4404 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4405 (mips_get_tp): Add MIPS16 support.
4406 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4407 Generalize DTPREL and TPREL handling.
4408 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4409 Add MIPS16 TLS support.
4410 (mips_output_tls_reloc_directive): New function.
4411 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4412 * config/mips/predicates.md (symbolic_operand_with_high)
4413 (tls_reloc_operand): New predicates.
4414 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4415 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4416 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4417 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4418 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4419 (*tls_get_tp_mips16_call_<mode>): Likewise.
4421 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4423 PR rtl-optimization/51821
4424 * recog.c (peep2_find_free_register): Determine clobbered registers
4427 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4430 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4431 * config/avr/avr.c: Likewise.
4432 * config/avr/avr.h: Likewise.
4434 2012-01-13 Ian Lance Taylor <iant@google.com>
4437 * tree.h (TYPE_QUALS): Add cast to int.
4438 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4440 2012-01-13 Ian Lance Taylor <iant@google.com>
4442 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4443 comparing param_index to VEC_length result.
4445 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4447 * c-decl.c: Do not include tree-mudflap.h
4448 * tree-optimize.c: Likewise.
4449 * Makefile.in: Update dependencies.
4451 2012-01-13 Richard Guenther <rguenther@suse.de>
4454 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4455 variable-sized result always use RSO.
4457 2012-01-12 DJ Delorie <dj@redhat.com>
4459 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4460 pointer type, not just the default pointer type.
4462 2012-01-09 Richard Henderson <rth@redhat.com>
4463 Denis Chertykov <chertykov@gmail.com>
4466 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4467 * config/avr/avr.c (avr_can_eliminate): Simplify.
4468 (avr_initial_elimination_offset): Likewise.
4469 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4470 (expand_epilogue): Likewise.
4471 (avr_legitimize_address): Gut.
4472 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4473 (avr_hard_regno_nregs): New.
4474 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4475 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4476 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4477 add soft frame pointer.
4478 (CALL_USED_REGISTERS): Likewise.
4479 (REG_CLASS_CONTENTS): Likewise.
4480 (REGISTER_NAMES): Likewise.
4481 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4482 (HARD_FRAME_POINTER_REGNUM): New.
4483 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4484 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4485 remove the HARD_FRAME_POINTER self-elimination.
4487 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4490 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4491 DECL_EXTERNAL when checking for initializers of progmem variables.
4493 2012-01-12 Ira Rosen <irar@il.ibm.com>
4495 PR tree-optimization/51799
4496 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4497 that the last operation is a type demotion.
4499 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4501 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4502 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4504 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4507 * combine.c (distribute_notes): If i3 is a noreturn call,
4508 allow old_size to be equal to args_size and make sure the
4509 noreturn call gets REG_ARGS_SIZE note.
4510 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4511 on noreturn calls even when the delta is 0.
4513 2012-01-11 Nathan Sidwell <nathan@acm.org>
4515 * gcov.c (STRING_SIZE): Remove.
4516 (generate_results): Erase annotations for source files with no
4517 coverage information.
4519 (output_lines): Use it.
4521 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4523 * gimple.h (gimplify_body): Remove first argument.
4524 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4525 pointer set here, instead just pass DATA to walk_tree.
4526 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4527 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4528 (unvisit_body): Likewise, but with unmark_visited.
4529 (gimplify_body): Remove BODY_P argument and adjust.
4530 (gimplify_function_tree): Adjust call to gimplify_body.
4531 * omp-low.c (finalize_task_copyfn): Likewise.
4533 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4535 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4536 (build_function_type_skip_args): Delete.
4537 * tree.c (build_function_type_skip_args): Make static and add
4538 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4539 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4540 pass it to build_function_type_skip_args.
4541 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4542 (tree_function_versioning): Likewise.
4543 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4544 build_function_decl_skip_args.
4545 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4546 and pass it to build_function_decl_skip_args/tree_function_versioning.
4547 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4548 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4549 * trans-mem.c (ipa_tm_create_version): Likewise.
4550 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4551 * tree-inline.c (declare_return_variable): Remove always-true test.
4552 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4553 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4554 * ipa-split.c (split_function): Skip the return value for the split
4555 part if it doesn't return.
4557 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4559 PR tree-optimization/49642
4560 * ipa-split.c (forbidden_dominators): New variable.
4561 (check_forbidden_calls): New function.
4562 (dominated_by_forbidden): Likewise.
4563 (consider_split): Check for forbidden dominators.
4564 (execute_split_functions): Initialize and free forbidden
4565 dominators info; call check_forbidden_calls.
4567 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4569 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4571 2012-01-11 Nick Clifton <nickc@redhat.com>
4573 * config/rx/rx.md (return): Define pattern.
4575 2012-01-11 Richard Guenther <rguenther@suse.de>
4577 * doc/extend.texi (malloc attribute): Adjust according to
4580 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4581 Patrick Marlier <patrick.marlier@gmail.com>
4584 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4585 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4586 (ipa_tm_note_irrevocable): Same.
4587 (ipa_tm_scan_irr_block): Same.
4588 (ipa_tm_decrement_clone_counts): Same.
4589 (ipa_tm_scan_irr_function): Same.
4590 (ipa_tm_create_version_alias): Same.
4591 (ipa_tm_create_version): Same.
4592 (ipa_tm_transform_calls_redirect): Same.
4593 (ipa_tm_transform_calls): Same.
4594 (ipa_tm_transform_transaction): Same.
4595 (ipa_tm_execute): Same.
4597 2012-01-10 Richard Guenther <rguenther@suse.de>
4600 * opts.c (common_handle_option): Handle -Werror.
4602 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4604 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4607 2012-01-10 Jason Merrill <jason@redhat.com>
4609 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4612 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4614 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4615 supports R_386_TLS_GD_PLT reloc.
4616 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4617 supports R_386_TLS_LDM_PLT reloc.
4618 * configure: Regenerate.
4619 * config.in: Regenerate.
4621 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4624 Extend __pgmx semantics to linearize memory.
4625 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4626 determine if code comes inline or from libgcc.
4627 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4628 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4629 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4630 (movmemx_qi, movmemx_hi): New insns.
4631 (xload_<mode>_libgcc): Rewrite to new insn condition.
4632 (xload_<mode>): Remove insns.
4633 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4634 cases that don't satisfy avr_xload_libgcc_p().
4635 (avr_addr_space_convert): Allow converting in any direction.
4636 (avr_addr_space_subset_p): Return always true.
4637 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4638 (avr_emit_movmemhi): Ditto.
4639 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4640 (avr_out_movmem): Ditto.
4641 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4642 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4643 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4644 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4645 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4647 2012-01-10 Richard Guenther <rguenther@suse.de>
4649 PR tree-optimization/50913
4650 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4651 Require data-refs to be representable by Graphite with respect
4654 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4656 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4657 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4659 2012-01-10 Tom de Vries <tom@codesourcery.com>
4661 PR rtl-optimization/51271
4662 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4663 handling annulled branch.
4665 2012-01-10 Richard Henderson <rth@redhat.com>
4667 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4668 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4669 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4670 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4671 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4672 arm_expand_vec_perm_const): New.
4673 * config/arm/arm-protos.h: Update.
4674 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4675 (*neon_vswp<VDQX>): New.
4676 (neon_vcombine<VDX>): Use neon_split_vcombine.
4677 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4678 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4679 (vec_perm<VE>): New.
4681 2012-01-10 Richard Henderson <rth@redhat.com>
4683 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4684 use it if reload_completed.
4685 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4686 arm_output_asm_insn, arm_process_output_memory_barrier,
4687 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4688 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4689 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4690 arm_process_output_sync_insn, arm_output_sync_insn,
4691 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4692 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4693 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4694 (emit_unlikely_jump): New.
4695 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4696 (arm_split_atomic_op): New.
4697 * config/arm/arm-protos.h: Update.
4698 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4699 (struct arm_sync_generator): Remove.
4700 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4701 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4702 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4703 (VUNSPEC_LL, VUNSPEC_SC): New.
4704 (sync_result, sync_memory, sync_required_value, sync_new_value,
4705 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4706 (attr length): Don't use arm_sync_loop_insns.
4707 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4708 (movsfcc, movdfcc): Likewise.
4709 * config/arm/constraints.md (Ua): New.
4710 * config/arm/prediates.md (mem_noofs_operand): New.
4711 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4712 (sync_clobber, sync_t2_reqd): Remove.
4713 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4714 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4715 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4716 (arm_sync_compare_and_swap<SIDI>): Remove.
4717 (arm_sync_compare_and_swap<NARROW>): Remove.
4718 (arm_sync_lock_test_and_set<SIDI>): Remove.
4719 (arm_sync_lock_test_and_set<NARROW>): Remove.
4720 (arm_sync_new_<syncop><SIDI>): Remove.
4721 (arm_sync_new_<syncop><NARROW>): Remove.
4722 (arm_sync_new_nand<SIDI>): Remove.
4723 (arm_sync_new_nand<NARROW>): Remove.
4724 (arm_sync_old_<syncop><SIDI>): Remove.
4725 (arm_sync_old_<syncop><NARROW>): Remove.
4726 (arm_sync_old_nand<SIDI>): Remove.
4727 (arm_sync_old_nand<NARROW>): Remove.
4728 (*memory_barrier): Merge arm_output_memory_barrier.
4729 (atomic_compare_and_swap<QHSD>): New.
4730 (atomic_compare_and_swap<NARROW>_1): New.
4731 (atomic_compare_and_swap<SIDI>_1): New.
4732 (atomic_exchange<QHSD>): New.
4733 (cas_cmp_operand, cas_cmp_str): New.
4734 (atomic_op_operand, atomic_op_str): New.
4735 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4736 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4737 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4738 (arm_load_exclusive<NARROW>): New.
4739 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4740 (arm_store_exclusive<QHSD>): New.
4742 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4744 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4745 reload patterns if -mvsx-scalar-memory.
4747 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4748 generated, even -mno-vsx-scalar-double was used.
4749 (vsx_xscvdpsp_scalar): Likewise.
4750 (vsx_xscvspdp_scalar2): Likewise.
4752 2012-01-09 Tom de Vries <tom@codesourcery.com>
4753 Andrew Pinski <apinski@cavium.com>
4756 * reorg.c (fill_slots_from_thread): Don't speculate
4757 frame-related insns.
4759 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4761 * sched-int.h (bb_note): Move to...
4762 * basic-block.h: ...here.
4763 * haifa-sched.c (bb_note): Move to...
4764 * cfgrtl.c: ...here.
4765 * function.c (next_block_for_reg): New function.
4766 (move_insn_for_shrink_wrap): Likewise.
4767 (prepare_shrink_wrap): Rewrite to use the above.
4769 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4771 * gimple.c (is_gimple_non_addressable): Remove.
4772 * gimple.h: Remove is_gimple_non_addressable.
4773 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4774 is_gimple_non_addressable.
4775 * trans-mem.c (expand_assign_tm): Same.
4777 2012-01-09 Richard Guenther <rguenther@suse.de>
4779 PR tree-optimization/51775
4780 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4781 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4783 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4785 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4787 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4789 2012-01-09 Richard Guenther <rguenther@suse.de>
4791 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4793 2012-01-08 Jan Hubicka <jh@suse.cz>
4795 PR tree-optimize/51680
4796 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4797 on when known_vals needs to be computed; cleanup.
4799 2012-01-08 Jan Hubicka <jh@suse.cz>
4801 PR tree-optimize/51694
4802 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4804 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4806 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4807 for -std=c++98 and -std=c++11 too.
4809 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4811 * cfgloop.c (cancel_loop): Add free() of bbs array.
4813 2012-01-07 Jan Hubicka <jh@suse.cz>
4815 PR tree-optimization/51600
4816 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4817 that benefits small functions.
4819 2012-01-07 Jan Hubicka <jh@suse.cz>
4821 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4823 2012-01-07 Jan Hubicka <jh@suse.cz>
4825 PR tree-optimization/51680
4826 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4827 whose inlining reduce unit size.
4829 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4832 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4833 Add canonical node to containing_mem chain after the non-canonical
4834 one, even if there weren't any locs to propagate.
4835 (remove_useless_values): Keep only canonical values.
4836 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4837 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4838 canonicalize mem_chain elements that are not discarded.
4840 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4843 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4844 before emitting functions.
4846 PR gcov-profile/50127
4847 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4848 clear_aux_for_blocks.
4850 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4853 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4855 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4857 * c-decl.c (ext_block): Moved up.
4858 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4860 2012-01-06 Han Shen <shenhan@google.com>
4862 Translate built-in include paths for sysroot.
4863 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4864 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4866 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4867 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4869 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4870 control whether sysroot should be prepended to gxx include dir.
4872 * configure: Regenerate.
4874 2012-01-06 Torvald Riegel <triegel@redhat.com>
4876 PR rtl-optimization/51771
4877 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4878 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4880 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4882 PR tree-optimization/51315
4883 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4884 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4886 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4889 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4890 for shrp pattern. Correctly handle and fixup shift variable.
4891 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4893 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4896 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4897 note when !ACCUMULATE_OUTGOING_ARGS.
4899 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4901 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4903 (extract_range_from_unary_expr_1): Avoid useless computations.
4905 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4907 PR rtl-optimization/51767
4908 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4909 of jump_block and add an extra edge for degenerated asm gotos.
4912 * stmt.c (check_unique_operand_names): Don't ICE during error
4913 reporting if i is from labels chain.
4916 * profile.c (branch_prob): Split bbs that have exit edge
4917 and need a fake entry edge too.
4919 2012-01-05 Jan Hubicka <jh@suse.cz>
4922 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4925 2012-01-05 Richard Guenther <rguenther@suse.de>
4928 * tree-streamer-out.c (write_ts_optimization): New function.
4929 (streamer_write_tree_body): Call it.
4930 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4931 (streamer_read_tree_body): Call it.
4932 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4934 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4937 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4938 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4939 in_cleanup_point_expr before gimplify_stmt call and restore it
4941 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4942 in_cleanup_point_expr is false.
4944 2012-01-05 Richard Guenther <rguenther@suse.de>
4947 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4949 * toplev.c (process_options): Reject combining mudflap and LTO.
4950 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4952 2012-01-05 Richard Guenther <rguenther@suse.de>
4954 PR tree-optimization/51760
4955 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4957 (bit_value_unop): Handle UNDEFINED operands.
4958 (bit_value_binop): Likewise.
4960 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4962 * config/avr/avr.c (avr_replace_prefix): Remove.
4963 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4964 (avr_asm_function_rodata_section): Ditto.
4965 (avr_asm_select_section): Ditto.
4967 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4969 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4972 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4975 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4976 calls that have any non-fake successor edges.
4979 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4981 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4983 PR tree-optimization/51624
4984 * tree-sra.c (build_ref_for_model): When replicating a chain of
4985 COMPONENT_REFs, stop as soon as the offset would become negative.
4987 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4990 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4991 in .debug_loc on the floor.
4993 2012-01-04 Andrew Pinski <apinski@cavium.com>
4995 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4997 2012-01-04 Andrew Pinski <apinski@cavium.com>
4998 Adam Nemet <anemet@caviumnetworks.com>
5000 * config/mips/mips.md (size): Add SI and DI.
5001 (SIZE): New mode attribute.
5002 (U): New code attribute.
5003 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5004 (mips_lbux_<mode>): Delete.
5005 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5006 (mips_lhx): Use gen_mips_lhx_extsi.
5007 (mips_lhx_<mode>): Delete.
5009 (mips_l<size>x): New expand.
5010 (mips_lwx_<mode>): Delete.
5011 (mips_l<GPR:size>x_<P:mode>): New pattern.
5012 (*mips_lw<u>x_<P:mode>_ext): Likewise.
5013 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5014 * config/mips/mips.c (mips_lx_address_p): New function.
5015 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5016 (dsp64): New availability predicate.
5017 (mips_builtins): Add an entry for __builtin_mips_ldx.
5018 * config/mips/mips.h (ISA_HAS_LBX): New define.
5019 (ISA_HAS_LBUX): Likewise.
5020 (ISA_HAS_LHX): Likewise.
5021 (ISA_HAS_LHUX): Likewise.
5022 (ISA_HAS_LWX): Likewise.
5023 (ISA_HAS_LWUX): Likewise.
5024 (ISA_HAS_LDX): Likewise.
5025 * doc/extend.texi (__builtin_mips_ldx): Document.
5027 2012-01-04 Tristan Gingold <gingold@adacore.com>
5029 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5030 when long pointers are used.
5031 * config.build (*-*-*vms*): Handle all OpenVMS targets.
5032 (alpha64-dec-*vms*, alpha*-dec-*vms*)
5033 (ia64-hp-*vms*): Remove.
5034 * config/vms/xm-vms64.h: Delete.
5036 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5039 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5041 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5043 * opts.c (finish_options): Remove duplicate sorry.
5045 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
5048 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5051 2012-01-04 Richard Guenther <rguenther@suse.de>
5054 * tree.c (size_low_cst): New function.
5055 * tree.h (size_low_cst): Declare.
5056 * fold-const.c (fold_comparison): Use it to extract the low
5057 part of the POINTER_PLUS_EXPR offset.
5059 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
5061 Fix clearing ZERO_REG
5062 * config/avr/avr.md (cc): Add alternative "ldi".
5063 (movqi_insn): Use it in cc attribute.
5064 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5065 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5066 (output_reload_insisf): Use ZERO_REG to pre-clear register.
5068 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5070 * configure: Regenerate.
5072 2012-01-04 Richard Guenther <rguenther@suse.de>
5074 PR tree-optimization/49651
5075 * tree-ssa-structalias.c (type_can_have_subvars): New function.
5076 (var_can_have_subvars): Use it.
5077 (get_constraint_for_1): Only consider subfields if there can be any.
5079 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5082 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5083 to its new canonical_cselib_val and the cselib_val was in
5084 first_containing_mem chain, but the canonical_cselib_val was not,
5085 add the latter into the chain.
5086 (cselib_invalidate_mem): Compare canonical_cselib_val of
5087 addr_list chain elt with v.
5090 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5091 dwarf2out_undef): Allocate e.info using ggc_strdup instead
5093 (output_macinfo_op): Don't ggc_strdup fd->filename.
5094 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5095 then ggc_strdup it. Don't free inc->info or cur->info.
5096 (output_macinfo): Don't free ref->info or file->info.
5098 2012-01-03 Ira Rosen <irar@il.ibm.com>
5100 PR tree-optimization/51269
5101 * tree-vect-loop-manip.c (set_prologue_iterations): Make
5102 first_niters a pointer.
5103 (slpeel_tree_peel_loop_to_edge): Likewise.
5104 (vect_do_peeling_for_loop_bound): Update call to
5105 slpeel_tree_peel_loop_to_edge.
5106 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5107 here. Remove it from the parameters list.
5108 (vect_do_peeling_for_alignment): Update calls and compute
5111 2012-01-03 Richard Guenther <rguenther@suse.de>
5113 PR tree-optimization/51070
5114 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5115 Properly handle calls.
5117 2012-01-03 Richard Guenther <rguenther@suse.de>
5119 PR tree-optimization/51692
5120 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5121 the LHS of allocation stmts.
5123 2012-01-03 Olivier Hainque <hainque@adacore.com>
5125 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5127 2012-01-03 Olivier Hainque <hainque@adacore.com>
5129 * collect2.c (main): In AIX specific computations for vector
5130 insertions, use CONST_CAST2 to cast from char ** to const char **.
5132 2012-01-03 Richard Guenther <rguenther@suse.de>
5135 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5136 the context of a limbo DIE when it does not already exist.
5138 2012-01-03 Jakub Jelinek <jakub@redhat.com>
5140 PR tree-optimization/51719
5141 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5142 but direct call is, clear direct call's lhs and don't add fallthrough
5143 edge from dcall_bb to join_bb and PHIs.
5145 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5147 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5148 the instructions emitted by the pattern.
5149 ("*TDC_insn_<mode>"): Add comment.
5151 2012-01-03 Richard Guenther <rguenther@suse.de>
5154 * fold-const.c (fold_comparison): Properly canonicalize
5155 tree offset and HOST_WIDE_INT bit position.
5157 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
5159 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5160 operands for extzv pattern.
5162 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5165 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5168 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
5170 * doc/invoke.texi (-flto and related options): Copy-edit.
5172 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5174 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5176 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5178 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5181 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5183 * expr.h (move_by_pieces_ninsns): Declare.
5184 * expr.c (move_by_pieces_ninsns): Make external.
5185 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5186 (mips_store_by_pieces_p): Likewise.
5187 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5188 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5189 * config/mips/mips.c (mips_move_by_pieces_p): New function.
5190 (mips_store_by_pieces_p): Likewise.
5192 2012-01-02 Jakub Jelinek <jakub@redhat.com>
5194 * passes.c (register_one_dump_file): Free full_name.
5196 * reload1.c (reload): Don't allocate reg_max_ref_width here.
5197 (calculate_elim_costs_all_insns): Free offsets_at and
5198 offsets_known_at at the end and clear the pointers.
5200 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5202 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5203 this option introduced in r180739.
5205 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5208 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5209 (tmake_file target=avr): Add avr/t-multilib.
5211 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5212 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5213 * config/avr/genmultilib.awk: New file.
5214 * config/avr/t-multilib: New auto-generated file.
5215 * config/avr/multilib.h: New auto-generated file.
5216 * config/avr/t-avr (AVR_MCUS): New variable.
5217 (genopt.sh): Use it.
5218 (s-mlib): Depend on t-multilib.
5219 (t-multilib, multilib.h): New dependencies.
5220 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5221 (MULTILIB_OPTIONS): Remove.
5222 (MULTILIB_MATCHES): Remove.
5223 (MULTILIB_DIRNAMES): Remove.
5224 (MULTILIB_EXCEPTIONS): Remove:
5225 * config/avr/genopt.sh: Don't use hard coded file name;
5226 pass AVR_MCUS from t-avr instead.
5228 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5230 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5232 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
5234 Implement light-weight DImode support.
5235 * config/avr/avr-dimode.md: New file.
5236 * config/avr/avr.md: Include it.
5237 (adjust_len): Add plus64, compare64.
5238 (HIDI): Remove code iterator.
5239 (code_stdname): New code attribute.
5240 (rotx, rotsmode): Remove DI.
5241 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5243 * config/avr/avr-protos.h (avr_have_dimode): New.
5244 (avr_out_plus64, avr_out_compare64): New.
5245 * config/avr/avr.c (avr_out_compare): Handle DImode.
5246 (avr_have_dimode): New variable definition and initialization.
5247 (avr_out_compare64, avr_out_plus64): New functions.
5248 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5249 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5250 (avr_compare_pattern): Skip DImode comparisons.
5252 2012-01-02 Revital Eres <revital.eres@linaro.org>
5254 * ddg.c (def_has_ccmode_p): New function.
5255 (add_cross_iteration_register_deps,
5256 create_ddg_dep_from_intra_loop_link): Call it.
5258 2012-01-02 Richard Guenther <rguenther@suse.de>
5261 * invoke.texi (fassociative-math): Remove spurious paranthesis.
5263 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5265 * gcc.c (process_command): Update copyright notice dates.
5266 * gcov.c (print_version): Likewise.
5267 * gcov-dump.c (print_version): Likewise.
5268 * mips-tfile.c (main): Likewise.
5269 * mips-tdump.c (main): Likewise.
5271 2012-01-01 Ira Rosen <irar@il.ibm.com>
5273 PR tree-optimization/51704
5274 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5275 a use is inside the basic block or loop before accessing its vect info.
5277 2012-01-01 Jan Hubicka <jhjh@suse.cz>
5279 PR rtl-optimization/51069
5280 * cfgloopmanip.c (remove_path): Removing path making irreducible
5281 region unconditional makes BB part of the region.
5283 2012-01-01 Jakub Jelinek <jakub@redhat.com>
5285 PR tree-optimization/51683
5286 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5287 calls with side-effects.
5288 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5290 Copyright (C) 2012 Free Software Foundation, Inc.
5292 Copying and distribution of this file, with or without modification,
5293 are permitted in any medium without royalty provided the copyright
5294 notice and this notice are preserved.