1 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
3 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
5 2012-06-13 Richard Henderson <rth@redhat.com>
7 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
8 iterator instead of INT.
10 2012-06-08 Richard Henderson <rth@redhat.com>
13 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
14 note to a clobber insn when no other insn is available.
16 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
19 * doc/invoke.texi (Wenum-compare): Update documentation.
21 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
24 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
26 (altivec_stvlxl): Ditto.
27 (altivec_stvrx): Ditto.
28 (altivec_stvrxl): Ditto.
30 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
33 * trans-mem.c (expand_block_edges): Do not skip the first
34 statement when resetting the BB.
36 2012-06-04 Richard Guenther <rguenther@suse.de>
39 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
40 create new assembler names.
42 2012-06-04 Richard Guenther <rguenther@suse.de>
44 Backport from mainline
45 2012-04-25 Jakub Jelinek <jakub@redhat.com>
48 * stor-layout.c (get_best_mode): Don't return mode with bitsize
49 larger than maxbits. Don't compute maxbits modulo align.
50 Also check that unit bytes long store at bitpos / unit * unit
51 doesn't affect bits beyond bitregion_end.
52 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
53 would not fit into bitregion_start ... bitregion_end + 1 bit
55 (store_split_bit_field): Decrease unit close to end of bitregion_end
56 if access is restricted in order to avoid mutual recursion.
58 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
60 Backport from 2012-06-04 mainline r188172
63 * config/avr/avr-stdint.h: New file.
64 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
67 2012-06-04 Jakub Jelinek <jakub@redhat.com>
69 PR tree-optimization/53550
70 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
71 is POINTER_TYPE_P, use sizetype as step type instead of type.
73 2012-06-04 Richard Guenther <rguenther@suse.de>
74 Eric Botcazou <ebotcazou@adacore.com>
76 Backport from mainline
77 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
79 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
80 Change type of BITOFFSET to signed. Make sure the lower bound of
81 the computed range is non-negative by adjusting OFFSET and BITPOS.
82 (expand_assignment): Adjust call to get_bit_range.
84 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
86 * expr.c (get_bit_range): Return the null range if the enclosing record
87 is part of a larger bit field.
89 2012-03-20 Richard Guenther <rguenther@suse.de>
91 * stor-layout.c (finish_bitfield_representative): Fallback
92 to conservative maximum size if the padding up to the next
93 field cannot be computed as a constant.
94 (finish_bitfield_layout): If we cannot compute the distance
95 between the start of the bitfield representative and the
96 bitfield member start a new representative.
97 * expr.c (get_bit_range): The distance between the start of
98 the bitfield representative and the bitfield member is zero
99 if the field offsets are not constants.
101 2012-03-16 Richard Guenther <rguenther@suse.de>
103 * stor-layout.c (finish_bitfield_representative): Fall back
104 to the conservative maximum size if we cannot compute the
105 size of the tail padding.
107 2012-03-14 Richard Guenther <rguenther@suse.de>
109 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
110 * stor-layout.c (start_bitfield_representative): New function.
111 (finish_bitfield_representative): Likewise.
112 (finish_bitfield_layout): Likewise.
113 (finish_record_layout): Call finish_bitfield_layout.
114 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
115 for QUAL_UNION_TYPE fields.
116 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
117 Stream DECL_BIT_FIELD_REPRESENTATIVE.
118 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
123 * expr.c (get_bit_range): Unconditionally extract bitrange
124 from DECL_BIT_FIELD_REPRESENTATIVE.
125 (expand_assignment): Adjust call to get_bit_range.
127 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
130 * fold-const.c (fold_binary_loc): Refine previous change.
132 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
134 Backport from mainline
135 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
138 * config/sh/sh.c (find_barrier): Add equality check of last_got to
139 avoid going above orig insn. Update comments.
141 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
143 Backport from mainline
144 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
147 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
148 prologue for unwinder and profiler.
150 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
152 Backport from mainline
153 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
155 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
157 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
159 Backport from mainline
160 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
162 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
165 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
167 Backport from mainline
168 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
170 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
171 operand is CONST_INT. Take COSTS_N_INSNS into account.
172 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
175 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
177 * config/avr/avr.opt (-msp8): Document it.
178 * doc/invoke.texi (AVR Options): Copy from trunk docu.
180 2012-05-31 Richard Guenther <rguenther@suse.de>
183 * expr.c (expand_assignment): Do not use movmisalign on
186 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
189 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
190 (pa_section_type_flags): New.
191 (pa_legitimate_constant_p): Revert previous change.
193 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
195 Backport from mainline
196 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
199 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
201 (ipa_tm_create_version): Same.
203 2012-05-30 Jason Merrill <jason@redhat.com>
206 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
207 about array compound literals.
209 2012-05-30 Richard Guenther <rguenther@suse.de>
212 * fold-const.c (fold_binary_loc): Make sure to call
213 fold_plusminus_mult_expr with the original sign of operands.
215 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
217 * explow.c (probe_stack_range): Restore simple control flow and stop
218 again when the probe cannot be generated if HAVE_check_stack.
220 2012-05-30 Jakub Jelinek <jakub@redhat.com>
222 PR rtl-optimization/53519
223 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
224 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
226 2012-05-29 Richard Guenther <rguenther@suse.de>
228 PR tree-optimization/53516
229 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
231 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
233 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
235 Backport from mainline
236 2012-05-28 Richard Guenther <rguenther@suse.de>
238 PR tree-optimization/53438
239 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
241 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
243 Backport from mainline
244 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
246 PR rtl-optimization/52528
247 * combine.c (can_combine_p): Add setting of subst_low_luid
248 before call to expand_field_assignment().
250 2012-05-26 Martin Jambor <mjambor@suse.cz>
252 Backport from mainline
253 2012-05-23 Martin Jambor <mjambor@suse.cz>
255 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
257 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
260 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
261 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
263 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
266 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
267 (ix86_expand_vec_perm): Use int mode instead of float.
269 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
272 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
273 gnu_ld variables to yes.
274 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
275 (HAVE_GNU_AS): Likewise.
276 * config.in: Regenerate.
277 * configure: Likewise.
279 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
281 Backport from mainline
282 2012-03-12 Richard Guenther <rguenther@suse.de>
283 * config/arm/arm.c (neon_dereference_pointer): Do not call
284 covert during RTL expansion.
286 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
288 Backport from mainline
289 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
292 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
293 relied on signed overflow behavior.
295 2012-05-24 Richard Guenther <rguenther@suse.de>
298 * tree-profile.c (tree_profiling): Cleanup the CFG if
299 execute_fixup_cfg requests it.
301 2012-05-24 Jakub Jelinek <jakub@redhat.com>
303 PR tree-optimization/53465
304 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
305 vr0 into *vr, then vrp_meet that.
306 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
307 have any equivalences.
308 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
311 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
313 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
315 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
316 (iterative_hash_gimple_type): Adjust comment.
317 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
318 domain for an array type instead of the domain type itself.
320 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
322 Backport from 2012-05-23 mainline r187803
325 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
326 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
329 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
331 Backport from 2012-05-03 mainline r187075
333 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
334 has_fma4 for AMD processors with both fma3 and fma4 support.
336 2012-05-22 Richard Guenther <rguenther@suse.de>
338 PR tree-optimization/53408
339 * tree-vect-loop.c (vectorizable_induction): Properly check
340 the restriction that we cannot handle induction results from
341 the inner loop outside of the outer loop.
343 2012-05-21 Jakub Jelinek <jakub@redhat.com>
345 PR tree-optimization/53436
346 * omp-low.c (omp_build_component_ref): New function.
347 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
349 PR tree-optimization/53366
350 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
351 tests if complex_numbers == 2, but there are non-complex number loads
354 PR tree-optimization/53409
355 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
356 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
358 PR tree-optimization/53410
359 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
360 instead of build_int_cst (type, 0) where vector types might be
363 2012-05-21 Joseph Myers <joseph@codesourcery.com>
366 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
367 from folded operands before wrapping another around the
368 conditional expression.
370 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
371 Patrick Marlier <patrick.marlier@gmail.com>
373 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
376 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
378 Backport from mainline
379 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
382 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
383 (UNSPECV_RDRAND): This.
384 (rdrand<mode>_1): Updated.
386 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
388 Backport from mainline
389 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
391 * config/i386/driver-i386.c (host_detect_local_cpu): Support
392 RDRND, F16C and FSGSBASE.
394 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
396 Backport from mainline
397 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
399 * tree-ssa-pre.c (can_value_number_call): Delete.
400 (compute_avail): Skip all statements with side effects.
401 <GIMPLE_CALL>: Skip calls to internal functions.
403 2012-05-18 David S. Miller <davem@davemloft.net>
405 Backport r185385 from mainline
406 2012-03-14 Richard Guenther <rguenther@suse.de>
409 * tree-vect-generic.c (type_for_widest_vector_mode): Take
410 element type instead of mode, use build_vector_type_for_mode
411 instead of the langhook, build a vector of proper signedness.
412 (expand_vector_operations_1): Adjust.
414 2012-05-18 Olivier Hainque <hainque@adacore.com>
416 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
417 $(libsubdir) as libexecsubdir.
419 2012-05-16 Andrew Pinski <apinski@cavium.com>
421 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
424 2012-05-16 David S. Miller <davem@davemloft.net>
426 * jump.c (delete_related_insns): If we remove a CALL, make sure
427 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
429 2012-05-16 Richard Henderson <rth@redhat.com>
432 * combine-stack-adj.c (prev_active_insn_bb): New.
433 (next_active_insn_bb): New.
434 (force_move_args_size_note): New.
435 (combine_stack_adjustments_for_block): Use it.
437 2012-05-16 Olivier Hainque <hainque@adacore.com>
439 * Makefile.in (install-no-fixedincludes): New target, former toplevel
440 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
441 Add comments and improve stamp preservation across the whole sequence.
442 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
444 2012-05-16 Richard Guenther <rguenther@suse.de>
446 PR tree-optimization/53364
447 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
448 detect a view-conversion of the decl.
450 2012-05-15 Jakub Jelinek <jakub@redhat.com>
453 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
454 that operands[2] is either immediate, or q_regs_operand.
456 2012-05-15 Bin Cheng <bin.cheng@arm.com>
458 Backport r187139 from mainline.
459 2012-05-04 Bin Cheng <bin.cheng@arm.com>
461 PR rtl-optimization/52804
462 * reload1.c (reload_reg_reaches_end_p): Check whether successor
463 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
464 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
465 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
466 RELOAD_FOR_OUTADDR_ADDRESS.
468 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
471 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
472 generate target register for "load" class builtins.
475 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
478 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
479 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
480 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
481 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
482 (<sse>_movu<ssemodesuffix>): New expander.
483 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
484 (avx_movdqu<avxmodesuffix>): New expander.
485 (*sse2_movdqu): Rename from sse2_movdqu.
486 (sse2_movdqu): New expander.
488 2012-05-14 Jakub Jelinek <jakub@redhat.com>
490 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
491 lineno 1 the same as lineno 0 before first start file directive.
492 (optimize_macinfo_range): Likewise.
494 * dwarf2out.c (have_macinfo): Define.
495 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
496 attribute, don't force empty compilation unit and don't emit any
497 .debug_macinfo/.debug_macro section if macinfo_table is empty.
499 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
501 Backport from mainline
502 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
504 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
505 ORDERED and UNORDERED conditions.
507 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
509 * function.c (requires_stack_frame_p): If the function can throw
510 non-call exceptions, return true if the insn can throw internally.
512 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
514 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
515 DECL_ORIGINAL_TYPE if it is present.
517 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
519 Backport from 2012-05-12 mainline r187342.
522 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
523 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
524 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
525 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
526 (expand_prologue): Move initialization of cfun->machine->is_naked,
527 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
528 (avr_set_current_function): ...this new static function.
529 (TARGET_SET_CURRENT_FUNCTION): New define.
530 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
531 checking attributes of current_function_decl.
532 (avr_regs_to_save): Ditto.
533 (signal_function_p): Rename to avr_signal_function_p.
534 (interrupt_function_p): Rename to avr_interrupt_function_p.
536 * doc/extend.texi (Function Attributes): Better explanation of
537 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
540 2012-05-09 Matthias Klose <doko@ubuntu.com>
542 * gcc-ar.c (main): Don't check for execute bits for the plugin.
544 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
547 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
548 when a constant source operand matches an "I" constraint, the "no
549 CC0 change" applies to a register-destination only, not a
550 strict_low_part-destination.
552 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
554 Backport from mainline:
555 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
557 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
559 2012-05-07 Jakub Jelinek <jakub@redhat.com>
561 PR tree-optimization/53239
562 * tree-vrp.c (get_value_range): Set VR of
563 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
566 2012-05-07 Richard Guenther <rguenther@suse.de>
568 PR tree-optimization/53195
569 * tree-inline.c (setup_one_parameter): Properly add referenced
570 vars from the parameters new known value.
572 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
574 Backport from mainline:
575 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
578 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
581 2012-05-04 Ian Lance Taylor <iant@google.com>
583 * tree-vect-patterns.c (vect_single_imm_use): Correct return
584 values from false to NULL.
586 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
588 Backport from mainline
589 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
592 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
593 (TARGET_CMOV): Rename from TARGET_CMOVE.
594 (TARGET_CMOVE): New define.
595 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
596 Do not set TARGET_CMOVE here.
598 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
600 Backport from mainline:
602 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
604 PR tree-optimization/52633
605 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
606 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
607 (vect_recog_over_widening_pattern): Remove handling of code that was
608 already detected as over-widening pattern. Remove special handling
609 of "unsigned" cases. Instead, support general case of conversion
610 of the shift result to another type.
612 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
614 * tree-vect-patterns.c (vect_single_imm_use): New function.
615 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
616 (vect_recog_over_widening_pattern): Likewise.
617 (vect_recog_widen_shift_pattern): Likewise.
619 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
621 PR tree-optimization/52870
622 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
623 presumed pattern statement is within the same loop or basic block.
625 2012-05-04 Richard Guenther <rguenther@suse.de>
627 * common.opt (flto-report): Do not mark as Optimization.
629 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
632 * recog.c (constrain_operands): If extra constraints are present, also
633 accept pseudo-registers with equivalent memory locations during reload.
635 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
637 Backport from the mainline
638 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
641 * config/rs6000/rs6000.md (bswapdi splitters): If
642 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
643 default) is used, generate an alternate sequence that does not
644 depend on using indexed addressing.
646 2012-05-03 David S. Miller <davem@davemloft.net>
649 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
650 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
651 (sparc_emit_float_lib_cmp): Likewise.
653 2012-05-04 Martin Jambor <mjambor@suse.cz>
655 Backport from mainline
656 2012-05-02 Martin Jambor <mjambor@suse.cz>
659 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
660 of a variable when the contect is a function.
662 2012-05-03 Jakub Jelinek <jakub@redhat.com>
665 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
666 append program name to it and pass that as first argument
667 to make_relative_prefix. Always pass standard_libexec_prefix
668 as last argument to make_relative_prefix. If
669 make_relative_prefix returns NULL, fall back to
670 standard_libexec_prefix.
673 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
677 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
678 mode, return that mode.
680 2012-05-03 Richard Guenther <rguenther@suse.de>
682 PR tree-optimization/53144
683 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
685 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
686 with SSA name values.
687 (vn_reference_lookup_3): Adjust callers.
689 2012-05-02 Jakub Jelinek <jakub@redhat.com>
691 PR tree-optimization/53163
692 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
693 return value from compute_all_dependences.
695 PR rtl-optimization/53160
696 * ree.c (combine_reaching_defs): Handle the case where cand->insn
697 has been modified by ree pass already.
699 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
701 Backport from mainline
702 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
705 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
706 calls to cgraph_node_name in xstrdup.
707 (ipa_make_edge_direct_to_target): Ditto.
708 * tree-sra.c (convert_callers_for_node): Ditto.
709 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
710 * ipa-cp.c (perhaps_add_new_callers): Ditto.
711 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
712 (cgraph_materialize_all_clones): Ditto.
713 * ipa-inline.c (report_inline_failed_reason): Ditto.
714 (want_early_inline_function_p): Ditto.
715 (edge_badness): Ditto.
716 (update_edge_key): Ditto.
717 (flatten_function): Ditto.
719 (inline_always_inline_functions): Ditto.
720 (early_inline_small_functions): Ditto.
722 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
724 Backport from mainline
725 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
727 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
728 Introduce emul_name to select the right linker emulation for
729 powerpc64-*-freebsd*.
730 * configure: Regenerate.
731 * config.gcc: Add bits to support powerpc64-*-freebsd*.
732 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
733 * config/rs6000/freebsd64.h: New file.
734 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
736 (rs6000_savres_strategy): Likewise.
737 (rs6000_savres_routine_name): Likewise.
738 (rs6000_elf_file_end): Likewise.
739 * config/rs6000/t-freebsd64: New file.
740 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
741 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
743 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
745 Backport from mainline
746 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
749 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
751 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
753 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
754 predicate to discriminate types.
756 2012-04-27 Richard Guenther <rguenther@suse.de>
759 * convert.c (convert_to_integer): Avoid infinite recursion for
760 target-defined built-in types.
762 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
765 * config/cris/cris.md ("*andhi_lowpart_v32")
766 ("*andqi_lowpart_v32"): Change first input-only operand from
767 a (match_operand ...) to (match_dup 0). Drop alternatives with
768 const_int-matching constraints for redundancy.
769 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
770 three-operand alternative.
772 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
774 Backport from mainline
775 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
777 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
778 (*addsi_2_zext): Ditto.
779 (*add<mode>_3): Ditto.
780 (*addsi_3_zext): Ditto.
781 (*add<mode>_5): Ditto.
783 2012-04-25 Jakub Jelinek <jakub@redhat.com>
786 * c-typeck.c (set_nonincremental_init,
787 set_nonincremental_init_from_string): Pass true instead of false
788 as IMPLICIT to add_pending_init.
790 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
792 Backport from 2012-04-24 mainline r186768.
795 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
797 2012-04-24 Richard Guenther <rguenther@suse.de>
799 PR tree-optimization/53085
800 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
803 2012-04-24 Jakub Jelinek <jakub@redhat.com>
806 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
808 (output_addressed_constants): Likewise.
811 * varasm.c (get_section): Don't ICE for section conflicts with
812 built-in section kinds.
814 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
816 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
818 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
820 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
822 2012-04-23 Richard Guenther <rguenther@suse.de>
825 * c-typeck.c (build_binary_op): Fix typo.
827 2012-04-23 Jakub Jelinek <jakub@redhat.com>
829 PR tree-optimizations/52891
830 * tree-vect-patterns.c (adjust_bool_pattern): Use
831 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
832 but with non-standard precision.
834 2012-04-22 Ian Lance Taylor <iant@google.com>
836 * godump.c (go_output_typedef): Dump size of structs.
838 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
840 Backport from mainline:
842 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
843 hints for 'A' operand types.
845 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
847 Backport from 2012-04-19 mainline r186588.
850 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
853 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
855 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
857 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
860 * config/i386/sync.md (atomic_<code><mode>): Rename to
861 atomic_<logic><mode>.
863 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
865 Backport from mainline
866 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
869 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
870 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
871 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
872 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
873 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
874 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
875 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
876 gen_avx2_permvarv8sf.
878 2012-04-16 Martin Jambor <mjambor@suse.cz>
880 Backported from mainline
882 2012-04-13 Martin Jambor <mjambor@suse.cz>
885 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
886 fold_ctor_reference returns a zero constant.
888 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
890 Backported from mainline
891 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
893 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
894 and __ILP32__ for x32.
896 2012-04-13 Tom de Vries <tom@codesourcery.com>
898 Backport from mainline r186418.
900 2012-04-13 Tom de Vries <tom@codesourcery.com>
902 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
903 parameters vuse and vuse_escaped.
904 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
905 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
908 2012-04-13 Richard Guenther <rguenther@suse.de>
910 PR tree-optimization/52969
911 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
912 the condition for the COND_EXPR and handle predicate negation
913 by swapping the COND_EXPR arms.
915 2012-04-13 Richard Guenther <rguenther@suse.de>
918 * convert.c (convert_to_pointer): Remove special-casing of
921 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
923 Backport from mainline
924 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
927 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
928 the list of options to enable the FCFID instruction.
929 (TARGET_EXTRA_BUILTINS): Adjust comment.
931 2012-04-12 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/52943
934 * tree-chrec.h (chrec_is_positive): Remove.
935 * tree-scalar-evolution.c (chrec_is_positive): Move ...
936 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
937 Return false for a constant zero instead of negative.
938 (analyze_siv_subscript_cst_affine): Handle zero difference
939 in the initial condition explicitely.
941 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
944 * varasm.c (process_pending_assemble_externals): Set
945 pending_assemble_externals_processed true.
946 (assemble_external): Call assemble_external_real if the pending
947 assemble externals have been processed.
949 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
952 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
953 the DECL generated for the special GOT helper.
955 2012-04-06 Walter Lee <walt@tilera.com>
957 Backport from mainline
958 2012-03-07 Walter Lee <walt@tilera.com>
960 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
961 REG_CFA_* notes for the stack pointer.
962 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
963 EH_RETURN_STACKADJ_RTX.
964 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
965 generate REG_CFA_* notes for the stack pointer.
966 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
967 by EH_RETURN_STACKADJ_RTX.
969 2012-04-06 Matt Turner <mattst88@gmail.com>
971 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
973 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
975 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
976 of the destination isn't also a FP_REGS register.
978 2012-04-03 Richard Guenther <rguenther@suse.de>
980 Backport from mainline
981 2012-03-02 Richard Guenther <rguenther@suse.de>
983 PR tree-optimization/52406
984 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
985 (struct indices): Add unconstrained_base member.
986 (struct dr_alias): Remove unused vops member.
987 (DR_UNCONSTRAINED_BASE): New define.
988 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
989 add indices to allow their disambiguation. Make DR_BASE_OBJECT
990 be an artificial access that covers the whole indexed object,
991 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
992 plain decl base-objects to their MEM_REF variant.
993 (dr_may_alias_p): When the base-object of either data reference
994 has unknown size use only points-to information.
995 (compute_affine_dependence): Make dumps easier to read and
997 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
998 DR_REF when looking for packed references.
999 (vect_supportable_dr_alignment): Likewise.
1001 2012-04-03 Richard Guenther <rguenther@suse.de>
1003 Backport from mainline
1004 2012-03-15 Richard Guenther <rguenther@suse.de>
1007 * tree-data-ref.c (subscript_dependence_tester_1): Check
1008 all dimensions for non-conflicting access functions.
1010 2012-04-03 Richard Guenther <rguenther@suse.de>
1012 Backport from mainline
1013 2012-03-06 Richard Guenther <rguenther@suse.de>
1016 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1018 2012-03-23 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/52678
1021 * tree-vectorizer.h (struct _stmt_vec_info): Add
1022 loop_phi_evolution_part member.
1023 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1024 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1025 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1026 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1027 Use the cached evolution part and the PHI nodes value from
1028 the loop preheader edge instead of re-analyzing the evolution.
1030 2012-03-26 Richard Guenther <rguenther@suse.de>
1032 PR tree-optimization/52701
1033 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1034 compute and set the evolution part of PHI nodes.
1036 2012-03-30 Richard Guenther <rguenther@suse.de>
1038 PR tree-optimization/52754
1039 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1040 propagate arbitrary addresses into really plain dereferences.
1042 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1044 PR tree-optimization/52835
1045 * tree-data-ref.c (build_rdg): Return NULL if
1046 compute_data_dependences_for_loop failed.
1048 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1050 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1051 (stmt_can_make_abnormal_goto): Use it.
1052 (is_ctrl_altering_stmt): Likewise.
1054 2012-03-31 Martin Jambor <mjambor@suse.cz>
1056 Backported from mainline
1057 2012-03-30 Martin Jambor <mjambor@suse.cz>
1059 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1060 is a builtin_stack_save in a dominating BB.
1062 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1064 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1065 crossing 128bit lane boundary.
1067 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1069 Backported from mainline
1070 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1073 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1075 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1076 * config/i386/i386.c: Include reload.h.
1077 (ix86_legitimize_reload_address): New function.
1079 2012-03-28 Martin Jambor <mjambor@suse.cz>
1081 Backported from mainline
1082 2012-03-27 Martin Jambor <mjambor@suse.cz>
1085 * tree-sra.c (sra_modify_assign): Do not call
1086 load_assign_lhs_subreplacements when working with an unscalarizable
1089 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1092 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1093 __builtin_va_start to __builtin_next_arg if the latter is
1094 builtin_decl_explicit_p rather than when it is not.
1097 * tree-vect-generic.c (vector_element): Perform multiplication
1098 for pos in bitsizetype type instead of idx type.
1100 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1102 Backport from 2012-03-28 mainline r185910.
1105 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1106 (avr_builtin_decl): New static function.
1107 (struct avr_builtin_description, avr_bdesc): Move up.
1108 Add GTY marker. Add field fndecl. Remove redundant field id.
1109 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1110 (avr_expand_builtin): Code cleanup because .id is removed.
1112 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1115 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1118 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1120 Backport from 2012-03-28 mainline r185907.
1123 * config.gcc (tm_file): Remove avr/multilib.h.
1125 * doc/invoke.texi (AVR Options): Adjust
1126 documentation of -mtiny-stack.
1128 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1129 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1130 * config/avr/t-avr: Remove generation of multilib.h.
1131 * config/avr/t-multilib: Regenerate.
1132 * config/avr/multilib.h: Remove.
1133 * config/avr/avr.opt (-msp8): New option.
1134 (avr_sp8): New variable.
1135 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1136 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1137 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1138 (avr_device_to_sp8): New prototype.
1139 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1140 (DRIVER_SELF_SPECS): New define.
1141 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1142 __AVR_SP8__, __AVR_HAVE_SPH__.
1143 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1144 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1145 (avr_file_start): Ditto.
1147 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1150 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1151 instead of 8 in adjust_address.
1153 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1155 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1156 of a unit before computing the offset in units.
1158 2012-03-27 Richard Guenther <rguenther@suse.de>
1161 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1164 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1167 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1169 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1172 * varasm.c: Include pointer-set.h.
1173 (pending_assemble_externals_set): New pointer set.
1174 (process_pending_assemble_externals): Destroy the pointer set.
1175 (assemble_external): See if decl is in pending_assemble_externals_set,
1176 and add it to pending_assemble_externals if necessary.
1177 (init_varasm_once): Allocate pending_assemble_externals_set.
1179 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1181 Backported from mainline
1182 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1185 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1186 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1187 (vector_ltgt<mode>): Likewise.
1188 (vector_ordered<mode>): Likewise.
1189 (vector_unordered<mode>): Likewise.
1190 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1192 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1194 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1197 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1199 Backported from mainline
1200 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1204 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1205 GENERAL_REGS and FP_REGS for SImode.
1207 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1210 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1211 on any new_local_var_chain vars declared during recursing on
1212 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1214 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1216 Backport from 2012-03-22 mainline r185692.
1219 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1220 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1221 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1222 (delay_cycles_1, delay_cycles_2): Ditto.
1223 (delay_cycles_3, delay_cycles_4): Ditto.
1224 (nopv, *nopv): Ditto.
1225 (sleep, *sleep): Ditto.
1228 Backport from 2012-03-21 mainline r185605.
1230 PR rtl-optimization/52543
1232 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1233 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1234 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1235 (avr_load_libgcc_p): Restrict to __flash loads.
1236 (avr_out_lpm): Only handle 1-byte loads from __flash.
1237 (avr_load_lpm): New function.
1238 (avr_find_unused_d_reg): Remove.
1239 (avr_out_lpm_no_lpmx): Remove.
1240 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1241 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1242 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1243 (load_<mode>, load_<mode>_clobber): New insns.
1244 (mov<mode>): For multi-byte move from non-generic
1245 16-bit address spaces: Expand to load_<mode> resp.
1246 load_<mode>_clobber.
1247 (load<mode>_libgcc): Remove expander.
1248 (split-lpmx): Remove split.
1250 Backport from 2012-03-13 mainline r185329.
1253 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1254 offset (size) to a value the insns can deal with.
1255 (expand_epilogue): Ditto.
1257 Backport from 2012-03-12 mainline r185256.
1260 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1261 type from reg_class_t to enum reg_class.
1262 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1264 Backport from 2012-03-12 mainline r185253.
1267 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1268 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1269 r184615 from 2012-02-28.
1271 Backport from 2012-03-08 mainline r185105.
1273 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1274 for constants in [-63,63].
1276 Backport from 2012-03-08 mainline r185100.
1279 * config/avr/avr.c (avr_mem_clobber): New static function.
1280 (avr_expand_delay_cycles): Add memory clobber operand to
1281 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1282 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1283 (enable_interrupt, disable_interrupt): New expander.
1284 (nopv, sleep, wdr): New expanders.
1285 (delay_cycles_1): Add memory clobber.
1286 (delay_cycles_2): Add memory clobber.
1287 (delay_cycles_3): Add memory clobber.
1288 (delay_cycles_4): Add memory clobber.
1289 (cli_sei): New insn from former "enable_interrupt",
1290 "disable_interrupt" with memory clobber.
1291 (*wdt): New insn from former "wdt" with memory clobber.
1292 (*nopv): Similar, but for "nopv".
1293 (*sleep): Similar, but for "sleep".
1295 Backport from 2012-03-07 mainline r185043.
1298 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1300 Backport from 2012-03-07 mainline r185032.
1303 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1304 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1305 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1307 Backport from 2012-03-07 mainline r185031.
1310 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1312 * config/avr/avr.md (xload_8): Adjust insn length.
1314 Backport from 2012-03-07 mainline r185030.
1317 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1318 if RAMPZ affects reading from RAM.
1320 Backport from 2012-03-05 mainline r184919.
1322 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1324 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1326 Backport from mainline r185259.
1329 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1330 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1332 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1334 Backported from mainline
1335 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1338 * c-parser.c (c_parser_postfix_expression)
1339 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1341 * config/i386/smmintrin.h: Avoid /* within a comment.
1342 * config/i386/nmmintrin.h: Likewise.
1344 2012-03-22 Richard Guenther <rguenther@suse.de>
1346 * BASE-VER: Set to 4.7.1.
1347 * DEV-PHASE: Set to prerelease.
1349 2012-03-22 Release Manager
1351 * GCC 4.7.0 released.
1353 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1355 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1357 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1358 Andrew Pinski <apinski@cavium.com>
1361 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1362 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1363 calls instead of __builtin_ir{int,ound}*.
1365 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1368 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1371 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1373 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1374 Refer to GCC 4.7 version of c99status.html.
1376 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1378 Backport from mainline
1379 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1381 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1382 redefine to be NULL if the current bit-size is different from the
1383 configured bit-size.
1385 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1386 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1387 set the default tuning. Add asserts to make sure the cpu and tune
1388 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1389 test whether the index is set, instead of > 0.
1390 (rs6000_file_start): Do not reset the default cpu if the current
1391 bit-size is different from the configured bit-size.
1393 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1395 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1397 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1398 Update binutils references.
1399 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1400 Update binutils reference.
1401 Update Sun as/GNU ld caveat.
1402 Document binutils largefile requirement for LTO plugin.
1403 Remove reference to alternate libpthread.
1405 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1407 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1409 (Specific, mips-sgi-irix6): Likewise.
1411 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1413 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1414 * configure: Regenerate.
1416 2012-03-07 Richard Henderson <rth@redhat.com>
1418 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1419 * config/m68k/sync.md (atomic_test_and_set): Use it.
1420 (atomic_test_and_set_1): Likewise.
1422 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1425 * Makefile.in: Let install-gcc-ar depend on installdirs,
1426 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1427 Don't double canonicalize if cross-compiling.
1429 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1431 * trans-mem.c: New typedef for tm_region_p.
1432 Define vector types for tm_region_p.
1433 (tm_region_init): Replace region_worklist to a vector called
1436 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1439 * trans-mem.c (tm_region_init): Use last_basic_block.
1441 2012-03-05 Richard Henderson <rth@redhat.com>
1444 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1445 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1446 BIGGEST_ALIGNMENT is aligned.
1448 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1450 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1452 2012-03-05 Richard Henderson <rth@redhat.com>
1455 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1456 instead of calling negqi2 directly.
1458 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1460 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1461 (INTMAX_TYPE): Use it.
1462 (UINTMAX_TYPE): Likewise.
1463 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1464 (irix6_c_common_override_options): Declare.
1465 (C_COMMON_OVERRIDE_OPTIONS): Define.
1466 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1467 * config/mips/irix6-c.c: New file.
1468 * config/mips/t-irix6 (irix6-c.o): New target.
1469 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1472 2012-03-02 Richard Henderson <rth@redhat.com>
1474 * optabs.c (expand_atomic_test_and_set): Honor
1475 atomic_test_and_set_trueval even when atomic_test_and_set
1476 optab is not in use.
1478 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1480 Backport from mainline
1481 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1483 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1485 2012-03-02 Richard Guenther <rguenther@suse.de>
1487 * DEV-PHASE: Set to prerelease.
1489 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1491 * config.gcc (obsolete): Add all ARM targets using the FPA.
1492 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1493 * doc/install.texi: Avoid references to obsolete ARM ports.
1495 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1497 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1499 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1500 Joern Rennecke <joern.rennecke@embecosm.com>
1502 * doc/extend.texi: Expand and update information on interrupt
1503 attribute for Epiphany.
1505 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1507 * config/sh/sh-protos.h: Update copyright notice dates.
1508 * config/sh/sh.h: Likewise.
1509 * config/sh/sh.md: Likewise.
1510 * config/sh/constraints.md: Likewise.
1511 * config/sh/predicates.md: Likewise.
1513 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1515 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1516 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1518 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1520 * config/sh/constraints.md: Fix comment typo.
1522 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1525 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1526 unsigned HOST_WIDE_INT.
1527 (zvdep_imm64): Likewise.
1528 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1529 (vdepi_and): Likewise.
1530 Likewise for unamed 64-bit patterns.
1531 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1533 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1536 PR rtl-optimization/52417
1537 * cselib.c (cselib_any_perm_equivs): New variable.
1538 (cselib_reset_table): Check that it's not set when not
1539 preserving constants.
1540 (cselib_add_permanent_equiv): Set it.
1541 (cselib_have_permanent_equivalences): New.
1542 (cselib_init, cselib_finish): Reset it.
1543 * cselib.h (cselib_have_permanent_equivalences): Declare.
1544 * alias.c (get_addr): Restore earlier behavior when there
1545 aren't permanent equivalences.
1547 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1549 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1550 * config/v850/v850-modes.def: Fix copyright notice.
1552 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1554 * doc/extend.texi (AVR Built-in Functions): Document
1555 __builtin_avr_flash_segment.
1557 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1558 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1559 (*split.flash_segment): New insn-and-split.
1560 * config/avr/avr.c (avr_init_builtins): Add local variables:
1561 const_memx_void_node, const_memx_ptr_type_node,
1562 char_ftype_const_memx_ptr.
1564 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1566 PR tree-optimization/52445
1567 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1568 add ssa_name_ver, offset and size fields and change store field
1570 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1571 (add_or_mark_expr): Likewise. Only consider previous stores
1572 with the same size and offset.
1573 (nt_init_block): Only look at gimple_assign_single_p stmts,
1574 doesn't look at rhs2.
1576 2012-03-01 Richard Guenther <rguenther@suse.de>
1579 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1580 conversions from integral types to pointer types.
1582 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1584 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1585 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1586 unintentionally removed in r184616.
1588 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1590 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1593 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1594 Uros Bizjak <ubizjak@gmail.com>
1597 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1598 alternatives, add "e" constraint to the new last alternative
1599 and ! to last 3 alternatives.
1601 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1603 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1604 DW_AT_artificial attributes at the end of the processing.
1605 (gen_array_type_die): Likewise.
1606 (gen_enumeration_type_die): Likewise.
1607 (gen_struct_or_union_type_die): Likewise.
1608 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1611 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1614 * expr.c (expand_assignment): If doing misaligned store that doesn't
1615 cover all mode bits, perform a RMW cycle.
1617 PR tree-optimization/52429
1618 * tree-parloops.c (separate_decls_in_region_debug): Return early
1619 if var is LABEL_DECL.
1621 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1623 PR tree-optimization/52424
1624 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1625 calling dom_thread_across_edge.
1627 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1629 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1631 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1633 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1634 * config/avr/avr.c (avr_output_bld): Remove unused function.
1635 (avr_out_sbxx_branch): Use "%T" to print bit position.
1637 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1639 * config/avr/avr.md: Untabify.
1641 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1643 * config/avr/avr.md (eqne): New code iterator.
1644 (*dec-and-branchsi): Use it in text peephole's condition.
1645 (*dec-and-branchhi): Ditto.
1646 (*dec-and-branchqi): Ditto.
1648 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1651 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1652 the device does not have the skip-bug.
1654 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1656 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1657 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1658 -mpretend-cmove): New.
1660 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1663 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1664 doesn't count DEBUG_INSN refs.
1665 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1666 for DEBUG_INSN refs.
1668 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1672 2012-02-20 Richard Guenther <rguenther@suse.de>
1673 PR tree-optimization/52298
1674 * tree-vect-stmts.c (vectorizable_load): Properly use
1675 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1678 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1681 * gimple.h (gimple_in_transaction): New.
1682 (gimple_set_in_transaction): New.
1683 (struct gimple_statement_base): Add in_transaction field.
1684 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1686 (tree_ssa_lim_initialize): Compute transaction bits.
1687 * tree.h (compute_transaction_bits): Protoize.
1688 * trans-mem.c (tm_region_init): Use the heap to store BB
1690 (compute_transaction_bits): New.
1692 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1694 * gcc.c (display_help): Document --help=common and sort entries
1697 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1699 * doc/install.texi: Document check-$LANG specific shortcuts
1701 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1704 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1706 * config/arm/arm_neon.h: Regenerate.
1707 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1708 (neon_vcgeu): New insn.
1709 (neon_vcgtu): Likewise.
1710 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1711 (ops): Unsigned comparison intrinsics call a different
1714 2012-02-28 Richard Guenther <rguenther@suse.de>
1717 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1718 ordering for the VEC_CONCAT for two element vectors for
1719 V2SFmode, V2SImode and V2DImode.
1721 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1724 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1725 detecting big-endian triplets.
1727 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1729 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1730 mode if there is no type information available.
1732 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1734 PR tree-optimization/53207
1735 * doc/invoke.texi: Document as experimental and relying on graphite.
1737 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1739 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1740 of initializer to changes from r184614.
1742 2012-02-28 Richard Guenther <rguenther@suse.de>
1744 PR tree-optimization/52395
1745 * tree-sra.c (build_ref_for_offset): Also look at the base
1746 TYPE_ALIGN when figuring out the alignment of the replacement.
1748 2012-02-28 Richard Guenther <rguenther@suse.de>
1750 PR tree-optimization/52402
1751 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1752 mis-aligned types when creating the accesses at the call site.
1754 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1756 * config/avr/builtins.def: New file.
1757 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1758 * config/avr/avr.c (enum avr_builtin_id): Use it.
1759 (avr_init_builtins): Use it. And use avr_bdesc.
1760 (bdesc_1arg): Remove.
1761 (bdesc_2arg): Remove.
1762 (bdesc_3arg): Remove.
1763 (struct avr_builtin_description): Add field n_args.
1764 (avr_bdesc): New static variable using builtins.def.
1765 (avr_expand_builtin): Use it.
1766 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1767 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1768 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1770 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1773 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1774 match only one single hard register with respective hard reg rtx.
1775 (movmemx_<mode>): Ditto.
1776 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1777 insn anatomy of movmem[x]_<mode>.
1778 (avr_out_movmem): Same for printing assembler and operand usage.
1780 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1784 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1785 address spaces located outside of device flash.
1787 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1788 (mcu_type_s): Add field n_flash.
1789 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1790 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1791 (AVR_MCU): Add N_FLASH argument.
1792 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1793 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1794 macro __FLASH<n> if that address space makes sense for the device.
1795 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1796 outside of target flash.
1797 (avr_asm_named_section): Ditto.
1798 (avr_asm_select_section): Ditto.
1799 (avr_addr_space_convert): Ditto.
1800 (avr_emit_movmemhi): Ditto.
1801 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1802 address space is outside of device flash.
1803 (avr_insert_attributes): Ditto.
1804 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1805 avr_current_arch->n_segments.
1807 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1810 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1812 (*movabs<mode>_2): Likewise.
1814 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1817 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1818 s_register_operand in the test instead of REG_P. Don't call
1819 gen_reg_rtx if it won't be used.
1821 PR tree-optimization/52376
1822 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1824 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1826 * ifcvt.c (noce_get_condition): Check condition variable is not
1827 small_register_classes_for_mode_p before accepting.
1829 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1831 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1833 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1836 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1837 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1839 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1841 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1843 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1845 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1847 * config/sh/predicates.md: Remove blank lines.
1848 * config/sh/sh.c: Fix typos in comments.
1849 * config/sh/constraints.md: Likewise.
1850 * config/sh/sh.md: Remove blank lines.
1851 Fix typos in comments. Use ;; as comment characters.
1853 2012-02-26 Walter Lee <walt@tilera.com>
1855 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1856 (replace_mov_pcrel_step2): Ditto.
1858 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1861 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1862 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1863 and locs that reference values newer than the non-canonical value
1864 at hand. Return the canonical value as a worst case.
1865 (memrefs_conflict_p): Walk canonical value's locs.
1868 * cselib.c (preserve_only_constants): Rename to...
1869 (preserve_constants_and_equivs): ... this. Split out...
1870 (invariant_or_equiv_p): ... this. Preserve plus expressions
1871 of other preserved expressions too.
1872 (cselib_reset_table): Adjust.
1873 * var-tracking.c (reverse_op): Use canonical value to build
1876 2012-02-23 Kai Tietz <ktietz@redhat.com>
1878 * config/i386/i386.c (ix86_delegitimize_address): Handle
1879 UNSPEC_PCREL plus displacement.
1881 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1884 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1885 to test for unusedness in st X addressing.
1887 2012-02-24 Richard Guenther <rguenther@suse.de>
1890 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1891 (is_gimple_reg_type): Move inline ...
1892 * gimple.h (is_gimple_reg_type): ... here.
1894 2012-02-24 Richard Guenther <rguenther@suse.de>
1897 * passes.c (execute_function_todo): When verifying SSA form
1898 verify gimple form first.
1899 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1901 2012-02-24 Richard Guenther <rguenther@suse.de>
1904 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1905 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1907 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1909 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1911 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1913 * tree-phinodes.c (make_phi_node): Mark static.
1914 * tree-flow.h (make_phi_node): Remove extern decl.
1915 * doc/gimple.texi (make_phi_node): Remove documentation.
1917 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1919 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1920 * tree-ssa-sccvn.c (print_scc): Ditto.
1922 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1924 * doc/passes.texi (Full redundancy elimination): Fix typo.
1926 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1928 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1930 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1933 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1935 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1938 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1940 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1942 * config/avr/avr.md (code_stdname): Add ior, xor.
1943 (xior): New code iterator.
1944 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1945 (*<code_stdname><mode>qi.byte1-3): Ditto.
1947 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1949 PR tree-optimization/52019
1950 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1953 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1955 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1956 HAVE_INITFINI_ARRAY to work around namespace pollution in
1957 certain versions of newlib system headers.
1958 * config.in: Regenerate.
1959 * configure: Regenerate.
1960 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1961 instead of HAVE_INITFINI_ARRAY.
1963 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1966 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1967 is not offsettable memory reference.
1969 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1972 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1973 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1975 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1977 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1978 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1980 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1982 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1983 library on Solaris 8 even without TLS support.
1984 * configure: Regenerate.
1986 2012-02-22 Richard Guenther <rguenther@suse.de>
1989 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1990 for GIMPLE_DEBUG stmts.
1992 2012-02-22 Martin Jambor <mjambor@suse.cz>
1995 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1996 according to the base object.
1998 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2000 PR rtl-optimization/50063
2001 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2002 and 2 (8-bit SP) in operand 2.
2003 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2004 setup to use movhi_sp_r instead of vanilla move to write SP.
2005 Adjust REG_CFA notes to superseed unspec.
2006 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2008 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2009 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2010 irq_state 1 (IRQ known to be on) here.
2012 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2014 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2016 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2017 assign_hard_reg): Likewise.
2019 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2021 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2023 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2026 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2027 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2029 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2031 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2032 prototype from here to...
2033 * config/avr/avr.h: ...here.
2035 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2038 * thumb2.md (thumb2_shiftsi3_short): Split register and
2039 immediate shifts. For register shifts tie operands 0 and 1.
2040 (peephole2 for above): Check that register-controlled shifts
2041 have suitably tied operands.
2043 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2046 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2047 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2048 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2049 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2050 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2051 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2052 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2053 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2054 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2055 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2056 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2057 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2058 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2059 bdver1_ssevector_avx256_unaligned_load,
2060 bdver1_ssevector_sse128_unaligned_load,
2061 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2062 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2063 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2064 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2065 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2066 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2067 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2068 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2069 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2070 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2071 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2072 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2073 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2074 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2075 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2076 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2077 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2078 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2079 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2080 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2081 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2082 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2083 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2084 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2085 bdver1_ssediv_double_load, bdver1_ssediv_double,
2086 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2087 Add "bdver2" attribute.
2089 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2091 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2092 default if possible and not specified otherwise.
2094 2012-02-21 Richard Guenther <rguenther@suse.de>
2097 * gimplify.c (create_tmp_from_val): Use the main variant type
2098 for the type of the temporary we create.
2100 2012-02-21 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/52324
2103 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2104 do not gimplify a MEM_REF address operand if it is already
2107 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2109 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2110 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2112 2012-02-21 Richard Guenther <rguenther@suse.de>
2114 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2115 nested_in_vect_loop.
2117 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2119 PR tree-optimization/52318
2120 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2121 vdef also to non-pure/const call stmts in the sequence.
2123 2012-02-20 David S. Miller <davem@davemloft.net>
2125 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2126 don't use the "rd %pc" instruction on v9 for PIC register loads.
2128 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2131 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2132 in a transaction safe function.
2134 2012-02-20 Kai Tietz <ktietz@redhat.com>
2137 * stor-layout.c (place_field): Handle desired_align for
2140 2012-02-20 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/52298
2143 * tree-vect-stmts.c (vectorizable_store): Properly use
2144 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2146 (vectorizable_load): Likewise.
2147 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2148 Access DR_STEP after ensuring it is not NULL.
2150 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2152 PR tree-optimization/52286
2153 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2154 optimization use double_int_to_tree instead of build_int_cst_wide,
2155 rewrite to use double_int vars.
2157 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2160 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2162 Remove -e 0 from $gcc_cv_ld invocation.
2163 Only use __GLIBC_PREREQ if defined.
2164 Enable on Solaris since Solaris 8 patch.
2165 (gcc_SUN_LD_VERSION): New macro.
2166 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2167 gcc_SUN_LD_VERSION for version number format.
2168 * configure: Regenerate.
2169 * varasm.c (get_elf_initfini_array_priority_section): Set
2170 SECTION_NOTYPE for non-default priority.
2171 Use get_section instead of get_unnamed_section to emit
2172 .init_array/.fini_array with default priority.
2174 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2176 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2177 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2178 (mips_start_unique_function, mips_output_mips16_rdhwr)
2179 (mips_code_end): New functions.
2180 (TARGET_ASM_CODE_END): Define.
2182 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2184 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2185 to stubs with non-sibling calls.
2187 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2189 * doc/invoke.texi (-fira-* options): Copy-edit.
2190 (ira-* parameters): Copy-edit.
2192 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2194 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2195 GCC coding conventions.
2197 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2199 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2200 when used as adjectives.
2202 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2204 * doc/invoke.texi: Clean up "that"/"which" confusion.
2206 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2208 * system.h: Poison SMALL_REGISTER_CLASSES
2209 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2210 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2212 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2214 PR tree-optimization/52285
2215 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2216 when deciding if a call is a tail call or tail recursion.
2218 2012-02-16 Kai Tietz <ktietz@redhat.com>
2220 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2221 interger-constant displacement for UNSPEC_PCREL.
2223 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2225 PR rtl-optimization/52208
2226 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2227 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2229 PR tree-optimization/52255
2230 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2231 loop->header has virtual PHI, but exit_e->dest doesn't, add
2232 virtual PHI to exit_e->dest and adjust all uses after the loop.
2235 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2236 children with clone_tree_hash, not after it.
2238 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2240 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2241 extended identifiers.
2243 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2246 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2247 a same_body_alias, also test whether e->callee isn't a former
2248 or current clone of the decl this is a same body alias of.
2250 PR translation/52264
2251 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2253 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2255 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2257 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2260 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2261 force_reg instead of copy_to_reg for better optimization. Force
2262 non-register or memory operands into a register.
2264 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2266 * extend.texi: Reserve upper bits of memory model for future use.
2268 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2269 Anatoly Sokolov <aesok@post.ru>
2270 Eric Weddington <eric.weddington@atmel.com>
2273 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2274 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2275 Rewrite initializers for .macro.
2276 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2277 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2278 atxmega32d4, atxmega32x1.
2279 avrxmega4: atxmega64a3, atxmega64d3.
2280 avrxmega5: atxmega64a1, atxmega64a1u.
2281 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2282 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2283 avrxmega7: atxmega128a1, atxmega128a1u.
2284 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2285 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2286 (struct base_arch_s): Rename reserved to xmega_p.
2287 Rename reserved2 to have_rampd.
2288 (AVR_XMEGA): New define.
2289 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2290 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2291 * config/avr/predicates.md (io_address_operand): Take into
2293 (low_io_address_operand): Ditto.
2294 (high_io_address_operand): Ditto.
2295 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2296 (enabled, movhi_sp_r): Use them.
2297 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2298 cpp_define_formatted to built-in define __AVR_ARCH__.
2299 (__AVR_XMEGA__): New built-in define.
2300 (__AVR_HAVE_RAMPD__): New built-in define.
2301 (__AVR_HAVE_RAMPX__): New built-in define.
2302 (__AVR_HAVE_RAMPY__): New built-in define.
2303 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2305 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2306 (avr_option_override): Initialize them.
2307 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2308 (avr_init_expanders): Initialize them. No more block several calls.
2309 (emit_push_sfr): New static function.
2310 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2312 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2313 (avr_print_operand): Print addreeses as symbols for
2314 RAMPX, RAMPY, RAMPD, CCP.
2315 (output_movhi): Handle AVR_XMEGA when writing to SP.
2316 (avr_out_movhi_mr_r_xmega): New static function.
2317 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2318 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2319 __RAMPD__, __CCP__ as needed.
2321 * config/avr/multilib.h: Regenerate.
2322 * config/avr/t-multilib: Regenerate.
2323 * config/avr/avr-tables.opt: Regenerate.
2325 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2327 PR tree-optimization/50561
2328 * graphite-flattening.c (lst_project_loop): Do not
2329 remove old scattering dimensions after flattening.
2330 (lst_do_flatten): Likewise.
2332 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2334 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2335 __builtin_avr_map8, __builtin_avr_map16.
2336 Document __builtin_avr_insert_bits.
2338 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2339 (insert_bits): New insn.
2340 (adjust_len.map_bits): Rename to insert_bits.
2341 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2342 * avr-protos.h (avr_out_map_bits): Remove.
2343 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2344 * config/avr/constraints.md (Cxf,C0f): New.
2345 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2346 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2347 New built-in define __BUILTIN_AVR_INSERT_BITS.
2348 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2349 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2350 (avr_move_bits): Rewrite.
2351 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2353 (avr_map_op_t): New typedef.
2354 (avr_map_op): New static variable.
2355 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2356 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2357 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2358 (bdesc_3arg, avr_expand_triop_builtin): New.
2359 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2360 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2361 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2362 (avr_map_equal_p, avr_map_sig_p): Remove.
2363 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2364 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2365 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2366 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2367 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2368 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2370 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2372 * config/c6x/c6x.md (reserve_cycles): New attribute.
2373 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2374 don't reserve functional units after the branch occurs.
2376 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2379 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2380 functions into non-tm_pure functions.
2382 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2385 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2386 (iterative_hash_canonical_type): Likewise.
2387 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2390 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2392 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2393 sched-group insn, it either remains alone or the entire list is pruned.
2395 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2397 * doc/install.texi (Prerequisites): Fix grammar.
2398 (Configuration): Likewise.
2400 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2402 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2403 MPC as part of GCC before describing configuring with --with-gmp etc.
2404 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2405 sources are present.
2407 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2410 * dwarf2out.c (clone_tree_hash): New function.
2411 (copy_decls_walk): Use it instead of clone_tree.
2413 2012-02-14 Richard Guenther <rguenther@suse.de>
2415 PR tree-optimization/52244
2416 PR tree-optimization/51528
2417 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2418 replacements for integral types.
2420 2012-02-14 Walter Lee <walt@tilera.com>
2422 * config.gcc: Handle tilegx and tilepro.
2423 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2425 Add HAVE_AS_TLS check for tilegx and tilepro.
2426 * configure: Regenerate.
2427 * doc/contrib.texi: Add Mat Hostetter and self.
2428 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2429 Document instruction intrinsics and network accessing intrinsics.
2430 (TILEPro Built-in Functions): New node. Document instruction
2431 intrinsics and network accessing intrinsics.
2432 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2433 (Specific, tilepro-*-linux*): Likewise.
2434 * doc/invoke.texi (TILE-Gx Options): New section.
2435 (TILEPro Options): New section.
2436 * doc/md.texi (TILE-Gx): New section.
2437 (TILEPro): New section.
2438 * common/config/tilegx/tilegx-common.c: New file.
2439 * common/config/tilepro/tilepro-common.c: New file.
2440 * config/tilegx/constraints.md: New file.
2441 * config/tilegx/linux.h: New file.
2442 * config/tilegx/mul-tables.c: New file.
2443 * config/tilegx/predicates.md: New file.
2444 * config/tilegx/sync.md: New file.
2445 * config/tilegx/t-tilegx: New file.
2446 * config/tilegx/tilegx-builtins.h: New file.
2447 * config/tilegx/tilegx-c.c: New file.
2448 * config/tilegx/tilegx-generic.md: New file.
2449 * config/tilegx/tilegx-modes.def: New file.
2450 * config/tilegx/tilegx-multiply.h: New file.
2451 * config/tilegx/tilegx-protos.h: New file.
2452 * config/tilegx/tilegx.c: New file.
2453 * config/tilegx/tilegx.h: New file.
2454 * config/tilegx/tilegx.md: New file.
2455 * config/tilegx/tilegx.opt: New file.
2456 * config/tilepro/constraints.md: New file.
2457 * config/tilepro/gen-mul-tables.cc: New file.
2458 * config/tilepro/linux.h: New file.
2459 * config/tilepro/mul-tables.c: New file.
2460 * config/tilepro/predicates.md: New file.
2461 * config/tilepro/t-tilepro: New file.
2462 * config/tilepro/tilepro-builtins.h: New file.
2463 * config/tilepro/tilepro-c.c: New file.
2464 * config/tilepro/tilepro-generic.md: New file.
2465 * config/tilepro/tilepro-modes.def: New file.
2466 * config/tilepro/tilepro-multiply.h: New file.
2467 * config/tilepro/tilepro-protos.h: New file.
2468 * config/tilepro/tilepro.c: New file.
2469 * config/tilepro/tilepro.h: New file.
2470 * config/tilepro/tilepro.md: New file.
2471 * config/tilepro/tilepro.opt: New file.
2473 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2475 PR tree-optimization/52210
2476 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2477 vect_model_simple_cost with two entry vect_def_type array instead
2478 of an address of dt.
2480 2012-02-14 Richard Guenther <rguenther@suse.de>
2483 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2484 Do not stream DECL_QUALIFIER.
2485 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2486 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2487 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2489 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2492 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2495 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2498 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2499 * cselib.c (cselib_subst_to_values_from_insn): New function.
2500 * sched-deps.c (add_insn_mem_dependence,
2501 sched_analyze_1, sched_analyze_2): Use it.
2503 2012-02-13 Jan Hubicka <jh@suse.cz>
2506 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2508 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2510 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2511 (GTM_SELF_SPECS): Define if not already defined.
2512 (driver_self_specs): Add GTM_SELF_SPECS.
2513 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2514 (GTM_SELF_SPECS): Define.
2515 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2516 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2518 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2520 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2523 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2526 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2527 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2529 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2532 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2534 2012-02-13 Richard Guenther <rguenther@suse.de>
2536 PR translation/52211
2537 * passes.c (enable_disable_pass): Fix typo.
2539 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2542 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2543 XOR for reduce_bit_field if type is unsigned.
2545 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2547 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2548 disallow changes from SFmode to mode with different size in FP regs.
2550 2012-02-12 Robert Millan <rmh@gnu.org>
2551 Gerald Pfeifer <gerald@pfeifer.com>
2553 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2556 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2558 PR rtl-optimization/52175
2559 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2560 to frame-related instructions.
2562 2012-02-10 Jason Merrill <jason@redhat.com>
2565 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2566 (demangle_new_symbols): Fill it.
2567 (scan_linker_output): Walk it.
2568 (start_tweaking): Split out from scan_linker_output.
2569 (maybe_tweak): Update sym->chosen.
2570 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2572 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2575 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2577 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2579 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2580 having the same mode as previous compare.
2582 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2584 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2585 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2586 (nonlocal_goto_internal): Likewise.
2587 (nonlocal_goto): Emit a use and an indirect jump directly.
2589 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2592 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2593 __atomic_{is,always}_lock_free.
2595 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2598 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2599 negative constant address for x32.
2601 2012-02-10 Richard Henderson <rth@redhat.com>
2603 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2604 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2605 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2607 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2608 Ira Rosen <irar@il.ibm.com>
2610 PR tree-optimization/50031
2611 * targhooks.c (default_builtin_vectorization_cost): Handle
2613 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2614 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2615 all types of reduction and pattern statements.
2616 (vect_estimate_min_profitable_iters): Likewise.
2617 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2618 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2619 for explicit realigns.
2620 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2621 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2623 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2624 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2625 vec_perm for VSX and handle vec_promote_demote.
2627 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2630 * builtins.c (fold_builtin_atomic_always_lock_free,
2631 expand_builtin_atomic_always_lock_free,
2632 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2633 Return and/or test boolean_true_node/boolean_false_node instead of
2634 integer_one_node/integer_zero_node.
2636 2012-02-10 Jan Hubicka <jh@suse.cz>
2639 * predict.c (predict_paths_for_bb): Prevent looping.
2640 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2642 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2644 * config/arm/arm.c (output_move_double): In one case properly
2645 count number of instructions that will be emitted.
2647 2012-02-10 Richard Guenther <rguenther@suse.de>
2649 PR translation/52193
2650 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2652 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2655 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2657 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2660 * var-tracking.c (emit_note_insn_var_location): If
2661 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2662 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2663 non-NOTE_DURING_CALL_P insn.
2665 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2668 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2670 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2673 * gcc.c (switch_matches) Support switches with separated form,
2676 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2678 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2680 (RAMPZ_ADDR): Ditto.
2681 * config/avr/avr.c (avr_addr_t): New typedef.
2682 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2683 (avr_init_expanders): Initialize it.
2684 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2686 (expand_epilogue): Ditto.
2687 (avr_print_operand): Ditto.
2688 (avr_file_start): Ditto.
2689 (avr_emit_movmemhi): Ditto.
2691 2012-02-08 Richard Guenther <rguenther@suse.de>
2693 PR tree-optimization/46886
2694 * tree-flow.h (do_while_loop_p): Declare.
2695 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2696 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2698 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2700 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2701 always succeed for integers larger than a native word.
2703 2012-02-08 Richard Guenther <rguenther@suse.de>
2705 PR rtl-optimization/52170
2706 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2707 properly handle integer vector modes.
2709 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2711 PR gcov-profile/52150
2712 * coverage.c: Include target.h.
2713 (build_var): Call targetm.strip_name_encoding on the assembler name.
2714 Change one _ into . or $ if the target allows it.
2715 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2717 PR rtl-optimization/52139
2718 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2719 is a BARRIER after emit_insn_after_noloc, move BB_END
2720 to the last non-BARRIER insn before it.
2722 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2725 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2726 (mips_gimplify_va_arg_expr): Call it instead of
2727 std_gimplify_va_arg_expr.
2729 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2731 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2732 message for -mno-pointers-to-nested-function.
2734 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2737 * expr.c (get_inner_reference): If there is an offset, add a negative
2738 bit position to it (if any).
2740 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2742 PR rtl-optimization/52060
2743 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2744 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2745 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2746 and/or i0src_copy2 when needed.
2748 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2750 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2751 or LTOPLUGINSONAME if have_c.
2753 * config/freebsd-spec.h: Add comment about what macros can be defined
2755 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2756 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2759 2012-02-07 Richard Guenther <rguenther@suse.de>
2761 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2762 newline in -alias dumps.
2764 2012-02-07 Kai Tietz <ktietz@redhat.com>
2765 Dave Korn <dave.korn.cygwin@gmail.com>
2768 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2769 Take care that typinfo gets dllexport-attribute.
2771 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2774 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2775 if modifier < EXPAND_SUM call force_operand on the result.
2777 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2779 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2780 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2782 (epiphany_function_type): Replace types for specific interrupts with
2783 EPIPHANY_FUNCTION_INTERRUPT.
2784 (EPIPHANY_INTERRUPT_P): Update.
2785 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2786 New static function.
2787 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2788 <disinterrupt>: Affects type identity.
2789 (epiphany_handle_interrupt_attribute): Handle variable number of
2791 (epiphany_compute_function_type): Update for new
2792 epiphany_function_type definition.
2793 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2794 handlers with a longcall forwarder.
2795 (epiphany_start_function): Handle multiple interrupt arguments and/or
2796 forwarder_section attribute.
2798 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2801 2012-02-07 Alan Modra <amodra@gmail.com>
2804 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2807 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2809 PR tree-optimization/50969
2810 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2811 use vec_perm rather than vector_stmt.
2812 (vect_model_load_cost): Likewise.
2813 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2814 vec_perm to be the same as other vector statements.
2815 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2816 cost of vec_perm for TARGET_VSX.
2818 2012-02-06 Richard Guenther <rguenther@suse.de>
2820 PR tree-optimization/52115
2821 * tree-sra.c (access_has_replacements_p): New function.
2822 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2824 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2827 * trans-mem.c (expand_call_tm): Add an assertion.
2828 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2831 2012-02-06 Richard Guenther <rguenther@suse.de>
2833 PR tree-optimization/50955
2834 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2835 raise cost of expressions that replace an address with an
2836 expression based on a different pointer.
2838 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2841 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2842 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2844 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2847 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2848 -Weffc++ and specify guidelines come from second edition.
2850 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2852 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2853 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2854 (call_direct_split, call_value_split, call_value_internal_direct)
2855 (call_value_direct_split, call_value_multiple_split): Use jal and
2856 jal_macro attributes.
2858 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2860 * reload1.c (reload_regs_reach_end_p): Replace with...
2861 (reload_reg_rtx_reaches_end_p): ...this function.
2862 (new_spill_reg_store): Update commentary.
2863 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2864 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2865 before setting new_spill_reg_store.
2866 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2867 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2868 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2869 for non-spill reload registers.
2871 2012-02-05 Ira Rosen <irar@il.ibm.com>
2873 PR tree-optimization/52091
2874 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2875 (vect_is_simple_use_1): Likewise.
2876 * tree-vect-loop.c (vectorizable_reduction): Update calls
2877 to vect_is_simple_use_1 and vect_is_simple_use.
2878 (vectorizable_live_operation): Likewise.
2879 * tree-vect-patterns.c (widened_name_p,
2880 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2881 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2882 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2883 vectorizable_shift,vectorizable_operation, vectorizable_store,
2884 vectorizable_load): Likewise.
2885 (vect_is_simple_cond): Add an argument, pass it to
2886 vect_is_simple_use_1.
2887 (vectorizable_condition): Update calls to vect_is_simple_cond,
2889 (vect_is_simple_use): Add an argument, the statement in which
2890 OPERAND is used. Check that if OPERAND's def stmt is a double
2891 reduction phi node, the use is a phi node too.
2892 (vect_is_simple_use_1): Add an argument, pass it to
2894 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2895 to vect_is_simple_use.
2897 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2899 PR rtl-optimization/52095
2900 * modulo-sched.c (dump_insn_locator): New function.
2901 (loop_canon_p, sms_schedule): Use it.
2903 PR rtl-optimization/52113
2904 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2905 even for decomposable shift/zext insns.
2907 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2908 Zdenek Dvorak <ook@ucw.cz>
2910 PR rtl-optimization/52092
2911 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2912 on get_iv_value result.
2914 2012-02-02 Andrew Pinski <apinski@cavium.com>
2918 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2920 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2923 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2925 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2927 PR rtl-optimization/49800
2928 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2929 (sched_finish): Call regstat_free_n_sets_and_refs.
2931 2012-02-02 Jia Liu <proljc@gmail.com>
2933 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2936 2012-02-02 Jan Hubicka <jh@suse.cz>
2937 Tom de Vries <tom@codesourcery.com>
2940 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2941 * varpool.c (varpool_analyze_pending_decls): Likewise.
2943 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2944 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2946 * config.gcc: Add cr16-* support.
2948 * doc/extend.texi: Document cr16 extensions.
2949 * doc/install.texi: Document cr16 install.
2950 * doc/invoke.texi: Document cr16 options.
2951 * doc/md.texi: Document cr16 constraints.
2953 * common/config/cr16/cr16-common.c: New file.
2954 * config/cr16/cr16.c: New file.
2955 * config/cr16/cr16.h: New file.
2956 * config/cr16/cr16.md: New file.
2957 * config/cr16/cr16.opt: New file.
2958 * config/cr16/cr16-protos.h: New file.
2959 * config/cr16/predicates.md: New file.
2960 * config/cr16/constraints.md: New file.
2961 * config/cr16/t-cr16: New file.
2963 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2966 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2967 that operands[2] is either immediate, or q_regs_operand.
2969 PR tree-optimization/52073
2970 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2971 a pattern stmt for pattern uses, ignore uses outside of the loop.
2973 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2975 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2976 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2977 (OUT_AS1, OUT_AS2): Remove.
2979 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2981 PR rtl-optimization/51374
2982 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2983 to cross other volatile_refs_p insns.
2985 2012-02-01 Richard Guenther <rguenther@suse.de>
2987 * doc/invoke.texi (fno-inline): Clarify documentation.
2988 (finline-small-functions): Likewise.
2989 (finline-functions): Likewise.
2990 * common.opt (finline): Adjust comment and documentation.
2991 (finline-small-functions): Clarify documentation.
2992 (finline-functions): Likewise.
2993 (finline-functions-called-once): Likewise.
2995 2012-02-01 Tristan Gingold <gingold@adacore.com>
2997 * c-typeck.c (composite_type): Keep mode for pointers.
2999 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3001 * function.h (regno_reg_rtx): Adjust comment.
3002 * reginfo.c (init_reg_modes_target): Only use the previous mode
3003 if it fits within one register. Remove MIPS comment.
3005 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3008 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3010 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3012 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3013 to srak instruction.
3015 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3017 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3019 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3024 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3026 2012-01-31 Richard Guenther <rguenther@suse.de>
3028 PR tree-optimization/51528
3029 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3032 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3037 * ree.c (add_removable_extension): Change def_map argument
3038 to unsigned *, store in def_map 1 + offset into *insn_list vector
3039 instead of pointers into the vector.
3040 (find_removable_extensions): Adjust caller.
3042 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3044 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3045 Transform all "* quoted-c-code" to { c-code }.
3046 Remove redundant test for "optimize" in combine patterns.
3047 Move (include "avr-dimode.md") to end of file.
3049 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3052 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3053 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3055 2012-01-30 Richard Guenther <rguenther@suse.de>
3057 PR tree-optimization/52028
3058 * tree-loop-distribution.c (ldist_gen): Properly update
3061 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3064 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3065 set_cur_line_info_table if not emitting debug info.
3067 PR tree-optimization/52046
3068 * tree-vect-patterns.c (check_bool_pattern): Give up if
3069 a comparison could throw.
3072 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3074 2012-01-30 Richard Guenther <rguenther@suse.de>
3076 PR tree-optimization/52045
3077 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3078 SSA form if cfgcleanup did anything.
3080 2012-01-30 Richard Guenther <rguenther@suse.de>
3082 PR tree-optimization/52045
3083 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3084 before computing final todo.
3086 2012-01-30 Richard Guenther <rguenther@suse.de>
3088 PR tree-optimization/51528
3089 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3092 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3094 * df-problems.c (df_kill_notes): Check that the use refers
3095 to the note under examination.
3097 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3100 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3101 parameter and use short-lived pseudos.
3102 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3103 (sparc_expand_vector_init): Const-ify local variables and adjust
3104 calls to above functions.
3106 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3108 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3110 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3112 * doc/invoke.texi: Make usage of "compile time" and
3113 "run time"/"runtime" consistent throughout the file.
3115 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3117 * config/alpha/alpha.c (alpha_option_override): Default to
3118 full IEEE compliance mode for Go language.
3120 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3122 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3123 (LINK_SSP_SPEC): Define.
3125 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3128 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3131 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3133 * doc/invoke.texi: Correct hyphenation of "floating point",
3134 "double precision", and related terminology throughout the file.
3136 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3139 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3140 arm_general_register_operand predicate for operand 2 instead of
3143 2012-01-27 Ian Lance Taylor <iant@google.com>
3146 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3147 * builtins.c (expand_builtin_init_trampoline): Add onstack
3148 parameter. Change caller.
3149 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3150 * tree.c (build_common_builtin_nodes): Declare
3151 __builtin_init_heap_trampoline.
3153 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3155 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3156 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3157 * config/avr/avr.c: Ditto.
3158 (avr_regnames): Remove because unused.
3159 * config/avr/avr.md (*cpse.ne): New peephole.
3160 (*cpse.eq): New peephole from former cpse peepholes.
3162 2012-01-27 Michael Eager <eager@eagercon.com>
3164 * config/microblaze.c (microblaze_emit_compare): Correct
3165 test after pcmp instruction.
3167 2012-01-27 Richard Guenther <rguenther@suse.de>
3169 PR tree-optimization/52020
3170 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3172 2012-01-27 Richard Guenther <rguenther@suse.de>
3174 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3175 function non-const/pure.
3177 2012-01-27 Richard Guenther <rguenther@suse.de>
3179 PR tree-optimization/50444
3180 * tree-sra.c (build_ref_for_offset): Properly adjust the
3181 MEM_REF type for unaligned accesses.
3183 2012-01-27 Richard Guenther <rguenther@suse.de>
3185 PR tree-optimization/50444
3186 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3187 (expand_assignment): Use it. Properly handle misaligned
3188 bases when expanding stores to component references.
3189 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3192 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3195 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3196 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3197 * tree-data-ref.c (find_data_references_in_loop): Make static.
3198 (compute_all_dependences): Change return type to bool. Bail out
3199 for too many datarefs in a loop. Move the hunk resetting the data
3200 dependences vector from ...
3201 (compute_data_dependences_for_loop): ... here. Account for
3202 compute_all_dependences returning false.
3203 (compute_data_dependences_for_bb): Likewise.
3204 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3205 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3207 2012-01-27 Richard Guenther <rguenther@suse.de>
3210 * expr.c (store_field): Use the alias-set of the scratch memory
3213 2012-01-27 Tom de Vries <tom@codesourcery.com>
3215 PR tree-optimization/51990
3216 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3218 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3220 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3223 * var-tracking.c (reverse_op): Don't add any reverse operation
3224 if V already has any constant locations.
3226 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3228 * doc/invoke.texi: Correct usage of "command line" (noun)
3229 vs "command-line" (adjective) throughout.
3231 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3233 * doc/invoke.texi (Language Independent Options): Move
3234 -Wcoverage-mismatch blurb from here....
3235 (Warning Options): ...to here.
3237 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3239 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3240 Set rs6000_always_hint to false for 476.
3242 2012-01-27 Matthias Klose <doko@ubuntu.com>
3244 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3246 * incpath.c (add_standard_paths): Likewise.
3248 2012-01-27 Richard Henderson <rth@redhat.com>
3250 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3251 * config/m68k/sync.md (atomic_test_and_set): Rename from
3252 sync_test_and_setqi and adjust the operands.
3253 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3254 and unconditionally enable.
3256 2012-01-27 Richard Henderson <rth@redhat.com>
3258 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3259 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3260 (ldstub): Rename from ldstubqi.
3261 (ldstub<I24MODE>): Remove.
3263 2012-01-27 Richard Henderson <rth@redhat.com>
3265 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3266 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3267 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3268 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3269 * doc/tm.texi: Rebuild.
3271 2012-01-27 Richard Henderson <rth@redhat.com>
3273 * optabs.c (gen_atomic_test_and_set): Remove default.
3274 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3276 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3278 PR rtl-optimization/51978
3279 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3280 (combine_reaching_defs): Likewise.
3281 (struct re_info): Remove.
3282 (add_removable_extension): Remove x and data arguments,
3283 add insn, insn_list and def_map. Use the arguments directly
3284 instead of using struct re_info.
3285 (find_removable_extensions): Don't call add_removable_extension
3286 through note_stores, instead just call it with single_set
3288 (find_and_remove_re): Pass curr_cand->expr instead of
3289 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3291 2012-01-26 Michael Matz <matz@suse.de>
3293 PR tree-optimization/46590
3294 * cfgexpand.c: Revert last change (r183305).
3295 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3297 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3298 checking for emptiness.
3300 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3303 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3304 non-addressable non-BLKmode base correctly.
3306 2012-01-26 Michael Matz <matz@suse.de>
3308 PR tree-optimization/48794
3309 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3310 regions referenced from RESX/EH_DISPATCH.
3312 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3314 * config/s390/s390.h: Make BRANCH_COST an option.
3315 * config/s390/s390.opt: New option -mbranch-cost.
3317 2012-01-26 Richard Henderson <rth@redhat.com>
3319 Revert 2012-01-24 change:
3320 * trans-mem.c (requires_barrier): Do not instrument thread local
3321 variables and emit save/restore for them.
3323 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3326 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3329 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3331 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3334 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3337 Rename __pgm to __flash.
3338 Rename __pgm1 to __flash1.
3339 Rename __pgm2 to __flash2.
3340 Rename __pgm3 to __flash3.
3341 Rename __pgm4 to __flash4.
3342 Rename __pgm5 to __flash5.
3343 Rename __pgmx to __memx.
3344 * doc/extend.texi (AVR Named Address Spaces)
3345 Rename address space names as indicated above.
3346 * config/avr/avr.c (avr_addrspace): Ditto.
3348 * config/avr/avr-protos.h
3349 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3350 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3351 * config/avr/predicates.md: Ditto.
3352 * config/avr/avr.c Ditto, and
3353 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3354 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3356 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3357 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3358 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3359 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3360 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3361 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3362 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3363 * config/avr/avr.c: Ditto.
3364 * config/avr/avr.md: Ditto.
3366 2012-01-25 Jason Merrill <jason@redhat.com>
3369 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3371 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3373 PR tree-optimization/51987
3374 * tree-data-ref.c (get_references_in_stmt): Handle references in
3375 non-volatile GIMPLE_ASM.
3377 2012-01-25 Richard Guenther <rguenther@suse.de>
3379 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3380 bases are dereferenced.
3382 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3384 PR rtl-optimization/48374
3385 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3387 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3389 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3390 compute_data_dependences_for_loop returns false.
3391 * tree-parloops.c (loop_parallel_p): Likewise.
3393 2012-01-25 Richard Guenther <rguenther@suse.de>
3395 * tree.h (get_pointer_alignment_1): Declare.
3396 * builtins.c (get_pointer_alignment_1): New function.
3397 (get_pointer_alignment): Use it.
3399 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3401 PR rtl-optimization/48308
3402 * combine.c (enum undo_kind): Add UNDO_LINKS.
3403 (struct undo): Add member l to other_contents and where.
3404 (do_SUBST_LINK): New.
3406 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3407 (undo_all): Handle UNDO_LINKS.
3409 2012-01-25 Richard Henderson <rth@redhat.com>
3411 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3414 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3416 * optabs.c (gen_atomic_test_and_set): Use each argument.
3418 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3420 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3421 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3422 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3423 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3424 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3425 TARGET_PAIRED_SINGLE_FLOAT.
3427 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3429 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3430 (in_struct, return_val): Remove MEM documentation.
3431 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3432 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3433 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3435 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3436 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3437 * expr.c (store_field): Likewise.
3438 * function.c (assign_stack_temp_for_type): Likewise.
3439 * ifcvt.c (noce_try_cmove_arith): Likewise.
3440 * reload1.c (reload): Likewise.
3441 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3442 (alpha_set_memflags): Likewise.
3443 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3445 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3447 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3449 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3450 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3451 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3453 * cselib.c (cselib_rtx_varies_p): Delete.
3454 (cselib_invalidate_mem): Update call to canon_true_dependence.
3455 * dse.c (record_store, check_mem_read_rtx): Likewise.
3456 (scan_reads_nospill): Likewise.
3457 * cse.c (check_dependence): Likewise.
3458 (cse_rtx_varies_p): Delete.
3459 * expr.c (safe_from_p): Update call to true_dependence.
3460 * ira.c (validate_equiv_mem_from_store): Likewise.
3461 (memref_referenced_p): Likewise.
3462 * postreload-gcse.c (find_mem_conflicts): Likewise.
3463 * sched-deps.c (sched_analyze_2): Likewise.
3464 * store-motion.c (load_kills_store): Likewise.
3465 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3466 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3467 (compute_transp): Update call to canon_true_dependence.
3469 2012-01-25 Richard Henderson <rth@redhat.com>
3471 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3472 (maybe_emit_atomic_test_and_set): New.
3473 (expand_sync_lock_test_and_set): Use it.
3474 (expand_atomic_test_and_set): Likewise.
3475 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3476 the implementation; clarify implementation defined details.
3477 * doc/md.texi (atomic_test_and_set): Document.
3479 2012-01-25 Richard Henderson <rth@redhat.com>
3481 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3483 2012-01-25 Richard Henderson <rth@redhat.com>
3486 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3487 to effect no-op split.
3489 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3492 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3493 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3494 (BT_FN_VOID_PTR_INT_SIZE): New.
3495 (BT_FN_UINT_UINT_VAR): Remove.
3496 (BT_FN_UINT32_UINT32_VAR): New.
3497 (BT_FN_DOUBLE_VPTR): Remove.
3498 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3500 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3501 (_ITM_changeTransactionMode): Same.
3502 (_ITM_memmoveRtWt): Change return type to void.
3503 (_ITM_memcpyRtWt): Same.
3504 (_ITM_memsetW): Same.
3505 (_ITM_RaRD): Change types to double.
3510 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3512 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3513 Patrick Marlier <patrick.marlier@gmail.com>
3515 * trans-mem.c (requires_barrier): Do not instrument thread local
3516 variables and emit save/restore for them.
3518 2012-01-24 Jason Merrill <jason@redhat.com>
3521 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3522 output static aliases.
3524 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3527 * common.opt (-pie, -shared, pie, shared): Change from Common to
3529 * gcc.c (display_help): Display help for -pie and -shared.
3531 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3534 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3535 Remove note on size/offset limitation.
3536 (AVR Variable Attributes): Add example how to read data located
3537 with progmem. Refer to named address spaces.
3538 * doc/invoke.texi (AVR Options): Fix typo.
3540 2012-01-24 Richard Guenther <rguenther@suse.de>
3542 Forward-port to trunk
3543 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3546 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3547 op0 isn't sufficiently aligned and there is movmisalignM
3548 insn for mode, use it to load op0 into a temporary register.
3550 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3553 * target.def (const_not_ok_for_debug_p): New hook.
3554 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3556 * doc/tm.texi: Regenerated.
3557 * dwarf2out.c (const_ok_for_output_1): If
3558 targetm.const_not_ok_for_debug_p returns true, fail.
3559 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3561 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3563 2012-01-23 Kai Tietz <ktietz@redhat.com>
3566 * config/i386/predicates.md (symbolic_operand): Allow
3567 UNSPEC_PCREL as PIC expression for lea.
3568 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3569 * config/i386/i386.c (ix86_delegitimize_address): Handle
3570 UNSPEC_PCREL for none-MEM, too.
3572 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3574 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3575 (ipa_tm_create_version_alias): Same.
3577 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3580 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3581 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3583 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3584 Patrick Marlier <patrick.marlier@gmail.com>
3585 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3588 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3589 simple_object_start_read.
3591 2012-01-23 Richard Guenther <rguenther@suse.de>
3594 PR tree-optimization/51895
3595 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3596 parameter decomposition into BLKmode components.
3598 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3600 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3601 fake variables for restrict-qualified pointers whose pointed-to type
3602 contains a placeholder.
3604 2012-01-23 Richard Guenther <rguenther@suse.de>
3606 PR tree-optimization/51949
3607 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3609 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3611 PR rtl-optimization/51933
3612 * ree.c (transform_ifelse): Return true right away if dstreg is
3613 already wider or equal to cand->mode.
3614 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3615 (make_defs_and_copies_lists): Remove defs_list and copies_list
3616 arguments, add state argument, just truncate state->work_list
3617 instead of always allocating and freeing the vector. Assert that
3618 get_defs succeeds instead of returning 2. Changed return type to bool.
3619 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3620 have ext_src_mode, see if it has been modified already with the
3621 right kind of extension and has been extended before from the
3622 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3623 just return true. Remember the original mode in state->modified array.
3624 (combine_reaching_defs): Add state argument. Don't allocate and
3625 free here def_list, copied_list and vec vectors, instead just
3626 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3627 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3628 Add state variable, clear vectors in it, initialize state.modified
3629 if needed. Free all the vectors at the end and state.modified too.
3630 Don't skip a candidate if the extension expression has been modified.
3632 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3635 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3636 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3637 (extra_options) interix.opt -> i386/interix.opt"
3638 (extra_objs):Add winnt-stubs.o
3639 * configure.ac: Add interix to target_os .comm on PE check.
3640 * configure: Regenerate.
3641 * config/interix3.h: Delete and move bits to..
3642 * config/interix.h: Delete and move bits to..
3643 * config/i386/i386-interix3.h: Delete and move bits to..
3644 * config/i386/i386-interix.h: ..here.
3645 (TARGET_CPU_DEFAULT): Remove redefinition.
3646 (TARGET_ASM_CONSTRUCTOR): Undefine.
3647 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3648 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3649 (PTRDIFF_TYPE): Define.
3650 (LONG_DOUBLE_TYPE_SIZE): Define.
3651 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3652 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3653 (TARGET_SECTION_TYPE_FLAGS): Define.
3654 (ASM_DECLARE_FUNCTION_NAME): Define.
3655 (ASM_OUTPUT_EXTERNAL): Define.
3656 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3657 (ASM_OUTPUT_ALIGNED_BSS): Define.
3658 (PCC_BITFIELD_TYPE_MATTERS): Define.
3659 (USE_CONST_SECTION): Define.
3660 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3661 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3662 (SUPPORTS_ONE_ONLY): Remove.
3663 (I386_PE_STRIP_ENCODING): Define.
3664 * config/interix.opt: Delete and move bits to..
3665 * config/i386/interix.opt: ..here. New.
3666 (mpe-aligned-commons): Add.
3667 * config/i386/t-interix: Add copyright header.
3668 (winnt-stubs.o): Add rule.
3670 2012-01-22 Jason Merrill <jason@redhat.com>
3673 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3674 for extra name aliases.
3676 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3678 PR rtl-optimization/51924
3679 * ree.c (combine_set_extension): Improve debugging message.
3680 (combine_reaching_defs): Likewise.
3681 (get_defs): Rename confusingly named variable.
3682 (find_and_remove_re): Skip a candidate if the extension expression has
3685 2012-01-21 Robert Millan <rmh@gnu.org>
3686 Gerald Pfeifer <gerald@pfeifer.com>
3688 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3689 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3691 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3693 PR tree-optimization/51914
3694 * tree-vect-stmts.c (vectorizable_conversion): For
3695 cvt_type && modifier == WIDEN, put temporary with cvt_type
3696 at the beginning of vec_dsts and set vec_dest to temporary
3699 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3701 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3703 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3705 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3706 * config/rs6000/rs6000.c: Likewise.
3708 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3711 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3712 output_move_double on a copy of operands array.
3714 2012-01-20 Cary Coutant <ccoutant@google.com>
3715 Dodji Seketeli <dodji@redhat.com>
3718 * dwarf2out.c (copy_declaration_context): Return ref to parent
3719 of declaration DIE, if necessary.
3720 (remove_child_or_replace_with_skeleton): Add new parameter; update
3721 caller. Place skeleton DIE under parent DIE of original declaration.
3722 Move call to copy_declaration_context to here ...
3723 (break_out_comdat_types): ... from here.
3725 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3727 PR rtl-optimization/51856
3728 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3731 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3734 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3735 hints for neon loads and stores.
3737 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3741 * doc/extend.texi (Named Address Spaces): Split into subsections.
3742 (AVR Named Address Spaces): New subsection.
3743 (M32C Named Address Spaces): New subsection.
3744 (RL78 Named Address Spaces): New subsection.
3745 (SPU Named Address Spaces): New subsection.
3746 (Variable Attributes): New anchor "AVR Variable Attributes".
3747 (AVR Variable Attributes): Rewrite and avoid wording
3748 "address space" in this context.
3749 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3750 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3751 (AVR Built-in Macros): New subsubsection therein.
3752 * doc/md.texi (AVR constraints): Remove "C04", "R".
3754 2012-01-20 Richard Guenther <rguenther@suse.de>
3756 PR tree-optimization/51903
3757 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3758 when removing stmts.
3760 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3763 * config/arm/arm.c (arm_load_pic_register): Use
3764 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3765 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3766 (arm_pic_static_addr): Likewise.
3767 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3768 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3769 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3770 (pic_load_addr_unified): New.
3772 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3775 * function.c (instantiate_virtual_regs_in_insn): Use
3776 delete_insn_and_edges when removing a wrong asm insn.
3778 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3780 PR rtl-optimization/40761
3781 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3782 Add new member loop_num.
3783 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3784 (ira_build): Remove the parameter.
3786 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3787 (ira.c): Do not build CFG loops for one region allocation. Remove
3788 argument from ira_build call.
3790 * ira-build.c (init_loop_tree_node): New function.
3791 (create_loop_tree_nodes): Use it. Separate the case when CFG
3792 loops are not built.
3793 (more_one_region_p): Check current_loops.
3794 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3796 (add_loop_to_tree): Process loop equal to NULL too.
3797 (form_loop_tree): Separate the case when CFG loops are not built.
3798 Use explicitly number for the root.
3799 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3801 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3802 instead of loop->num.
3803 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3804 (mark_all_loops_for_removal): Ditto.
3805 (remove_unnecessary_regions): Separate the case when CFG loops
3807 (ira_build): Remove the parameter. Use explicit number of regions
3808 when CFG loops are not built.
3810 * ira-color.c (print_loop_title): Separate the case for the root node.
3811 Use loop_num instead of loop->num.
3812 (move_spill_restore): Use loop_num instead of loop->num.
3814 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3815 (change_loop): Ditto.
3816 (change_loop): Use loop_num instead of loop->num.
3818 * ira-lives.c (process_bb_node_lives): Ditto.
3820 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3822 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3824 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3827 * tree-mudflap.c (mf_artificial): New function.
3828 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3829 mx_register_decls, mudflap_enqueue_decl): Use it.
3832 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3833 numbers in the insn pattern.
3835 2012-01-19 Michael Matz <matz@suse.de>
3837 PR tree-optimization/46590
3838 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3839 use it in remembering which conflicts we already created.
3840 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3843 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3846 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3847 (merge_and_complain): Same.
3849 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3852 * config/initfini-array.h: Guard content of the header
3853 with #ifdef HAVE_INITFINI_ARRAY.
3854 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3855 Add initfini-array.h to tm_file here.
3856 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3857 * config.gcc: Don't add initfini-array.h to tm_file here.
3858 * configure: Regenerated.
3860 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3862 PR rtl-optimization/51505
3863 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3864 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3865 (df_note_bb_compute): Update the call to df_kill_notes.
3867 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3869 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3871 2012-01-18 Richard Guenther <rguenther@suse.de>
3873 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3874 of conversions to void *.
3876 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3877 Richard Sandiford <rdsandiford@googlemail.com>
3881 * optabs.h (simplify_expand_binop): Declare.
3882 * optabs.c (simplify_expand_binop): Make global.
3883 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3884 endian targets if the source cannot be exactly covered by word
3887 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3890 * hard-reg-set.h (struct hard_reg_set_container): New type.
3891 * target.h (struct hard_reg_set_container): Forward declare.
3892 * target.def (set_up_by_prologue): New target hook.
3893 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3894 * doc/tm.texi: Regenerated.
3895 * function.c (thread_prologue_and_epilogue_insns): Change
3896 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3897 Call targetm.set_up_by_prologue on it.
3898 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3899 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3901 2012-01-17 Nick Clifton <nickc@redhat.com>
3903 * config/rx/rx.c (rx_can_use_simple_return): New function.
3904 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3905 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3907 2012-01-17 Richard Guenther <rguenther@suse.de>
3910 * expr.c (expand_assignment): Take address-space information
3911 from the address operand of MEM_REF and TARGET_MEM_REF.
3912 (expand_expr_real_1): Likewise.
3914 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3916 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3917 reload dump is requested.
3919 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3922 * trans-mem.c (requires_barrier): Call may_be_aliased.
3924 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3926 PR tree-optimization/51877
3927 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3928 call arguments and fndecls compare equal, instead return false if they
3929 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3930 both SSA_NAMEs that are valueized the same, or they satisfy
3933 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3935 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3937 * configure: Regenerate.
3939 2012-01-16 Jan Hubicka <jh@suse.cz>
3943 * convert.c (convert_to_integer): Use fold_convert for
3944 converting an INTEGER_CST to integer type.
3946 2012-01-16 Jason Merrill <jason@redhat.com>
3949 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3951 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3954 * config/s390/s390.c (s390_chunkify_start): Don't skip
3955 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3956 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3957 If insn is followed by NOTE_INSN_VAR_LOCATION or
3958 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3959 Don't use location of note insns.
3961 PR tree-optimization/51865
3962 * tree-inline.c (tree_function_versioning): Call remap_decl
3963 on DECL_RESULT whenever it has VOID_TYPE_P type.
3965 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3967 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3968 for calls to locally-binding MIPS16 functions if only the return
3969 type uses float regs.
3971 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3972 Richard Sandiford <rdsandiford@googlemail.com>
3974 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3975 (SYMBOL_32_HIGH): Likewise.
3976 (mips_output_tls_reloc_directive): Declare.
3977 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3978 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3979 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3980 (mips_lo_relocs, mips_hi_relocs): Make extern.
3981 (mips16_stub_function): Move up file.
3982 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3983 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3984 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3985 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3986 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3987 (mips_get_tp): Add MIPS16 support.
3988 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3989 Generalize DTPREL and TPREL handling.
3990 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3991 Add MIPS16 TLS support.
3992 (mips_output_tls_reloc_directive): New function.
3993 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3994 * config/mips/predicates.md (symbolic_operand_with_high)
3995 (tls_reloc_operand): New predicates.
3996 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3997 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3998 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3999 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4000 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4001 (*tls_get_tp_mips16_call_<mode>): Likewise.
4003 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4005 PR rtl-optimization/51821
4006 * recog.c (peep2_find_free_register): Determine clobbered registers
4009 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4012 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4013 * config/avr/avr.c: Likewise.
4014 * config/avr/avr.h: Likewise.
4016 2012-01-13 Ian Lance Taylor <iant@google.com>
4019 * tree.h (TYPE_QUALS): Add cast to int.
4020 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4022 2012-01-13 Ian Lance Taylor <iant@google.com>
4024 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4025 comparing param_index to VEC_length result.
4027 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4029 * c-decl.c: Do not include tree-mudflap.h
4030 * tree-optimize.c: Likewise.
4031 * Makefile.in: Update dependencies.
4033 2012-01-13 Richard Guenther <rguenther@suse.de>
4036 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4037 variable-sized result always use RSO.
4039 2012-01-12 DJ Delorie <dj@redhat.com>
4041 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4042 pointer type, not just the default pointer type.
4044 2012-01-09 Richard Henderson <rth@redhat.com>
4045 Denis Chertykov <chertykov@gmail.com>
4048 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4049 * config/avr/avr.c (avr_can_eliminate): Simplify.
4050 (avr_initial_elimination_offset): Likewise.
4051 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4052 (expand_epilogue): Likewise.
4053 (avr_legitimize_address): Gut.
4054 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4055 (avr_hard_regno_nregs): New.
4056 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4057 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4058 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4059 add soft frame pointer.
4060 (CALL_USED_REGISTERS): Likewise.
4061 (REG_CLASS_CONTENTS): Likewise.
4062 (REGISTER_NAMES): Likewise.
4063 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4064 (HARD_FRAME_POINTER_REGNUM): New.
4065 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4066 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4067 remove the HARD_FRAME_POINTER self-elimination.
4069 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4072 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4073 DECL_EXTERNAL when checking for initializers of progmem variables.
4075 2012-01-12 Ira Rosen <irar@il.ibm.com>
4077 PR tree-optimization/51799
4078 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4079 that the last operation is a type demotion.
4081 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4083 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4084 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4086 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4089 * combine.c (distribute_notes): If i3 is a noreturn call,
4090 allow old_size to be equal to args_size and make sure the
4091 noreturn call gets REG_ARGS_SIZE note.
4092 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4093 on noreturn calls even when the delta is 0.
4095 2012-01-11 Nathan Sidwell <nathan@acm.org>
4097 * gcov.c (STRING_SIZE): Remove.
4098 (generate_results): Erase annotations for source files with no
4099 coverage information.
4101 (output_lines): Use it.
4103 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4105 * gimple.h (gimplify_body): Remove first argument.
4106 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4107 pointer set here, instead just pass DATA to walk_tree.
4108 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4109 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4110 (unvisit_body): Likewise, but with unmark_visited.
4111 (gimplify_body): Remove BODY_P argument and adjust.
4112 (gimplify_function_tree): Adjust call to gimplify_body.
4113 * omp-low.c (finalize_task_copyfn): Likewise.
4115 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4117 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4118 (build_function_type_skip_args): Delete.
4119 * tree.c (build_function_type_skip_args): Make static and add
4120 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4121 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4122 pass it to build_function_type_skip_args.
4123 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4124 (tree_function_versioning): Likewise.
4125 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4126 build_function_decl_skip_args.
4127 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4128 and pass it to build_function_decl_skip_args/tree_function_versioning.
4129 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4130 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4131 * trans-mem.c (ipa_tm_create_version): Likewise.
4132 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4133 * tree-inline.c (declare_return_variable): Remove always-true test.
4134 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4135 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4136 * ipa-split.c (split_function): Skip the return value for the split
4137 part if it doesn't return.
4139 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4141 PR tree-optimization/49642
4142 * ipa-split.c (forbidden_dominators): New variable.
4143 (check_forbidden_calls): New function.
4144 (dominated_by_forbidden): Likewise.
4145 (consider_split): Check for forbidden dominators.
4146 (execute_split_functions): Initialize and free forbidden
4147 dominators info; call check_forbidden_calls.
4149 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4151 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4153 2012-01-11 Nick Clifton <nickc@redhat.com>
4155 * config/rx/rx.md (return): Define pattern.
4157 2012-01-11 Richard Guenther <rguenther@suse.de>
4159 * doc/extend.texi (malloc attribute): Adjust according to
4162 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4163 Patrick Marlier <patrick.marlier@gmail.com>
4166 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4167 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4168 (ipa_tm_note_irrevocable): Same.
4169 (ipa_tm_scan_irr_block): Same.
4170 (ipa_tm_decrement_clone_counts): Same.
4171 (ipa_tm_scan_irr_function): Same.
4172 (ipa_tm_create_version_alias): Same.
4173 (ipa_tm_create_version): Same.
4174 (ipa_tm_transform_calls_redirect): Same.
4175 (ipa_tm_transform_calls): Same.
4176 (ipa_tm_transform_transaction): Same.
4177 (ipa_tm_execute): Same.
4179 2012-01-10 Richard Guenther <rguenther@suse.de>
4182 * opts.c (common_handle_option): Handle -Werror.
4184 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4186 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4189 2012-01-10 Jason Merrill <jason@redhat.com>
4191 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4194 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4196 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4197 supports R_386_TLS_GD_PLT reloc.
4198 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4199 supports R_386_TLS_LDM_PLT reloc.
4200 * configure: Regenerate.
4201 * config.in: Regenerate.
4203 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4206 Extend __pgmx semantics to linearize memory.
4207 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4208 determine if code comes inline or from libgcc.
4209 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4210 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4211 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4212 (movmemx_qi, movmemx_hi): New insns.
4213 (xload_<mode>_libgcc): Rewrite to new insn condition.
4214 (xload_<mode>): Remove insns.
4215 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4216 cases that don't satisfy avr_xload_libgcc_p().
4217 (avr_addr_space_convert): Allow converting in any direction.
4218 (avr_addr_space_subset_p): Return always true.
4219 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4220 (avr_emit_movmemhi): Ditto.
4221 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4222 (avr_out_movmem): Ditto.
4223 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4224 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4225 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4226 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4227 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4229 2012-01-10 Richard Guenther <rguenther@suse.de>
4231 PR tree-optimization/50913
4232 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4233 Require data-refs to be representable by Graphite with respect
4236 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4238 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4239 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4241 2012-01-10 Tom de Vries <tom@codesourcery.com>
4243 PR rtl-optimization/51271
4244 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4245 handling annulled branch.
4247 2012-01-10 Richard Henderson <rth@redhat.com>
4249 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4250 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4251 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4252 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4253 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4254 arm_expand_vec_perm_const): New.
4255 * config/arm/arm-protos.h: Update.
4256 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4257 (*neon_vswp<VDQX>): New.
4258 (neon_vcombine<VDX>): Use neon_split_vcombine.
4259 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4260 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4261 (vec_perm<VE>): New.
4263 2012-01-10 Richard Henderson <rth@redhat.com>
4265 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4266 use it if reload_completed.
4267 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4268 arm_output_asm_insn, arm_process_output_memory_barrier,
4269 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4270 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4271 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4272 arm_process_output_sync_insn, arm_output_sync_insn,
4273 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4274 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4275 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4276 (emit_unlikely_jump): New.
4277 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4278 (arm_split_atomic_op): New.
4279 * config/arm/arm-protos.h: Update.
4280 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4281 (struct arm_sync_generator): Remove.
4282 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4283 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4284 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4285 (VUNSPEC_LL, VUNSPEC_SC): New.
4286 (sync_result, sync_memory, sync_required_value, sync_new_value,
4287 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4288 (attr length): Don't use arm_sync_loop_insns.
4289 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4290 (movsfcc, movdfcc): Likewise.
4291 * config/arm/constraints.md (Ua): New.
4292 * config/arm/prediates.md (mem_noofs_operand): New.
4293 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4294 (sync_clobber, sync_t2_reqd): Remove.
4295 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4296 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4297 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4298 (arm_sync_compare_and_swap<SIDI>): Remove.
4299 (arm_sync_compare_and_swap<NARROW>): Remove.
4300 (arm_sync_lock_test_and_set<SIDI>): Remove.
4301 (arm_sync_lock_test_and_set<NARROW>): Remove.
4302 (arm_sync_new_<syncop><SIDI>): Remove.
4303 (arm_sync_new_<syncop><NARROW>): Remove.
4304 (arm_sync_new_nand<SIDI>): Remove.
4305 (arm_sync_new_nand<NARROW>): Remove.
4306 (arm_sync_old_<syncop><SIDI>): Remove.
4307 (arm_sync_old_<syncop><NARROW>): Remove.
4308 (arm_sync_old_nand<SIDI>): Remove.
4309 (arm_sync_old_nand<NARROW>): Remove.
4310 (*memory_barrier): Merge arm_output_memory_barrier.
4311 (atomic_compare_and_swap<QHSD>): New.
4312 (atomic_compare_and_swap<NARROW>_1): New.
4313 (atomic_compare_and_swap<SIDI>_1): New.
4314 (atomic_exchange<QHSD>): New.
4315 (cas_cmp_operand, cas_cmp_str): New.
4316 (atomic_op_operand, atomic_op_str): New.
4317 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4318 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4319 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4320 (arm_load_exclusive<NARROW>): New.
4321 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4322 (arm_store_exclusive<QHSD>): New.
4324 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4326 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4327 reload patterns if -mvsx-scalar-memory.
4329 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4330 generated, even -mno-vsx-scalar-double was used.
4331 (vsx_xscvdpsp_scalar): Likewise.
4332 (vsx_xscvspdp_scalar2): Likewise.
4334 2012-01-09 Tom de Vries <tom@codesourcery.com>
4335 Andrew Pinski <apinski@cavium.com>
4338 * reorg.c (fill_slots_from_thread): Don't speculate
4339 frame-related insns.
4341 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4343 * sched-int.h (bb_note): Move to...
4344 * basic-block.h: ...here.
4345 * haifa-sched.c (bb_note): Move to...
4346 * cfgrtl.c: ...here.
4347 * function.c (next_block_for_reg): New function.
4348 (move_insn_for_shrink_wrap): Likewise.
4349 (prepare_shrink_wrap): Rewrite to use the above.
4351 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4353 * gimple.c (is_gimple_non_addressable): Remove.
4354 * gimple.h: Remove is_gimple_non_addressable.
4355 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4356 is_gimple_non_addressable.
4357 * trans-mem.c (expand_assign_tm): Same.
4359 2012-01-09 Richard Guenther <rguenther@suse.de>
4361 PR tree-optimization/51775
4362 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4363 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4365 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4367 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4369 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4371 2012-01-09 Richard Guenther <rguenther@suse.de>
4373 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4375 2012-01-08 Jan Hubicka <jh@suse.cz>
4377 PR tree-optimize/51680
4378 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4379 on when known_vals needs to be computed; cleanup.
4381 2012-01-08 Jan Hubicka <jh@suse.cz>
4383 PR tree-optimize/51694
4384 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4386 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4388 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4389 for -std=c++98 and -std=c++11 too.
4391 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4393 * cfgloop.c (cancel_loop): Add free() of bbs array.
4395 2012-01-07 Jan Hubicka <jh@suse.cz>
4397 PR tree-optimization/51600
4398 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4399 that benefits small functions.
4401 2012-01-07 Jan Hubicka <jh@suse.cz>
4403 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4405 2012-01-07 Jan Hubicka <jh@suse.cz>
4407 PR tree-optimization/51680
4408 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4409 whose inlining reduce unit size.
4411 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4414 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4415 Add canonical node to containing_mem chain after the non-canonical
4416 one, even if there weren't any locs to propagate.
4417 (remove_useless_values): Keep only canonical values.
4418 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4419 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4420 canonicalize mem_chain elements that are not discarded.
4422 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4425 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4426 before emitting functions.
4428 PR gcov-profile/50127
4429 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4430 clear_aux_for_blocks.
4432 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4435 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4437 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4439 * c-decl.c (ext_block): Moved up.
4440 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4442 2012-01-06 Han Shen <shenhan@google.com>
4444 Translate built-in include paths for sysroot.
4445 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4446 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4448 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4449 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4451 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4452 control whether sysroot should be prepended to gxx include dir.
4454 * configure: Regenerate.
4456 2012-01-06 Torvald Riegel <triegel@redhat.com>
4458 PR rtl-optimization/51771
4459 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4460 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4462 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4464 PR tree-optimization/51315
4465 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4466 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4468 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4471 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4472 for shrp pattern. Correctly handle and fixup shift variable.
4473 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4475 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4478 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4479 note when !ACCUMULATE_OUTGOING_ARGS.
4481 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4483 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4485 (extract_range_from_unary_expr_1): Avoid useless computations.
4487 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4489 PR rtl-optimization/51767
4490 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4491 of jump_block and add an extra edge for degenerated asm gotos.
4494 * stmt.c (check_unique_operand_names): Don't ICE during error
4495 reporting if i is from labels chain.
4498 * profile.c (branch_prob): Split bbs that have exit edge
4499 and need a fake entry edge too.
4501 2012-01-05 Jan Hubicka <jh@suse.cz>
4504 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4507 2012-01-05 Richard Guenther <rguenther@suse.de>
4510 * tree-streamer-out.c (write_ts_optimization): New function.
4511 (streamer_write_tree_body): Call it.
4512 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4513 (streamer_read_tree_body): Call it.
4514 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4516 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4519 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4520 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4521 in_cleanup_point_expr before gimplify_stmt call and restore it
4523 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4524 in_cleanup_point_expr is false.
4526 2012-01-05 Richard Guenther <rguenther@suse.de>
4529 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4531 * toplev.c (process_options): Reject combining mudflap and LTO.
4532 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4534 2012-01-05 Richard Guenther <rguenther@suse.de>
4536 PR tree-optimization/51760
4537 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4539 (bit_value_unop): Handle UNDEFINED operands.
4540 (bit_value_binop): Likewise.
4542 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4544 * config/avr/avr.c (avr_replace_prefix): Remove.
4545 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4546 (avr_asm_function_rodata_section): Ditto.
4547 (avr_asm_select_section): Ditto.
4549 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4551 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4554 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4557 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4558 calls that have any non-fake successor edges.
4561 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4563 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4565 PR tree-optimization/51624
4566 * tree-sra.c (build_ref_for_model): When replicating a chain of
4567 COMPONENT_REFs, stop as soon as the offset would become negative.
4569 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4572 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4573 in .debug_loc on the floor.
4575 2012-01-04 Andrew Pinski <apinski@cavium.com>
4577 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4579 2012-01-04 Andrew Pinski <apinski@cavium.com>
4580 Adam Nemet <anemet@caviumnetworks.com>
4582 * config/mips/mips.md (size): Add SI and DI.
4583 (SIZE): New mode attribute.
4584 (U): New code attribute.
4585 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4586 (mips_lbux_<mode>): Delete.
4587 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4588 (mips_lhx): Use gen_mips_lhx_extsi.
4589 (mips_lhx_<mode>): Delete.
4591 (mips_l<size>x): New expand.
4592 (mips_lwx_<mode>): Delete.
4593 (mips_l<GPR:size>x_<P:mode>): New pattern.
4594 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4595 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4596 * config/mips/mips.c (mips_lx_address_p): New function.
4597 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4598 (dsp64): New availability predicate.
4599 (mips_builtins): Add an entry for __builtin_mips_ldx.
4600 * config/mips/mips.h (ISA_HAS_LBX): New define.
4601 (ISA_HAS_LBUX): Likewise.
4602 (ISA_HAS_LHX): Likewise.
4603 (ISA_HAS_LHUX): Likewise.
4604 (ISA_HAS_LWX): Likewise.
4605 (ISA_HAS_LWUX): Likewise.
4606 (ISA_HAS_LDX): Likewise.
4607 * doc/extend.texi (__builtin_mips_ldx): Document.
4609 2012-01-04 Tristan Gingold <gingold@adacore.com>
4611 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4612 when long pointers are used.
4613 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4614 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4615 (ia64-hp-*vms*): Remove.
4616 * config/vms/xm-vms64.h: Delete.
4618 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4621 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4623 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4625 * opts.c (finish_options): Remove duplicate sorry.
4627 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4630 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4633 2012-01-04 Richard Guenther <rguenther@suse.de>
4636 * tree.c (size_low_cst): New function.
4637 * tree.h (size_low_cst): Declare.
4638 * fold-const.c (fold_comparison): Use it to extract the low
4639 part of the POINTER_PLUS_EXPR offset.
4641 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4643 Fix clearing ZERO_REG
4644 * config/avr/avr.md (cc): Add alternative "ldi".
4645 (movqi_insn): Use it in cc attribute.
4646 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4647 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4648 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4650 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4652 * configure: Regenerate.
4654 2012-01-04 Richard Guenther <rguenther@suse.de>
4656 PR tree-optimization/49651
4657 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4658 (var_can_have_subvars): Use it.
4659 (get_constraint_for_1): Only consider subfields if there can be any.
4661 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4664 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4665 to its new canonical_cselib_val and the cselib_val was in
4666 first_containing_mem chain, but the canonical_cselib_val was not,
4667 add the latter into the chain.
4668 (cselib_invalidate_mem): Compare canonical_cselib_val of
4669 addr_list chain elt with v.
4672 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4673 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4675 (output_macinfo_op): Don't ggc_strdup fd->filename.
4676 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4677 then ggc_strdup it. Don't free inc->info or cur->info.
4678 (output_macinfo): Don't free ref->info or file->info.
4680 2012-01-03 Ira Rosen <irar@il.ibm.com>
4682 PR tree-optimization/51269
4683 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4684 first_niters a pointer.
4685 (slpeel_tree_peel_loop_to_edge): Likewise.
4686 (vect_do_peeling_for_loop_bound): Update call to
4687 slpeel_tree_peel_loop_to_edge.
4688 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4689 here. Remove it from the parameters list.
4690 (vect_do_peeling_for_alignment): Update calls and compute
4693 2012-01-03 Richard Guenther <rguenther@suse.de>
4695 PR tree-optimization/51070
4696 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4697 Properly handle calls.
4699 2012-01-03 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/51692
4702 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4703 the LHS of allocation stmts.
4705 2012-01-03 Olivier Hainque <hainque@adacore.com>
4707 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4709 2012-01-03 Olivier Hainque <hainque@adacore.com>
4711 * collect2.c (main): In AIX specific computations for vector
4712 insertions, use CONST_CAST2 to cast from char ** to const char **.
4714 2012-01-03 Richard Guenther <rguenther@suse.de>
4717 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4718 the context of a limbo DIE when it does not already exist.
4720 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4722 PR tree-optimization/51719
4723 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4724 but direct call is, clear direct call's lhs and don't add fallthrough
4725 edge from dcall_bb to join_bb and PHIs.
4727 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4729 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4730 the instructions emitted by the pattern.
4731 ("*TDC_insn_<mode>"): Add comment.
4733 2012-01-03 Richard Guenther <rguenther@suse.de>
4736 * fold-const.c (fold_comparison): Properly canonicalize
4737 tree offset and HOST_WIDE_INT bit position.
4739 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4741 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4742 operands for extzv pattern.
4744 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4747 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4750 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4752 * doc/invoke.texi (-flto and related options): Copy-edit.
4754 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4756 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4758 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4760 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4763 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4765 * expr.h (move_by_pieces_ninsns): Declare.
4766 * expr.c (move_by_pieces_ninsns): Make external.
4767 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4768 (mips_store_by_pieces_p): Likewise.
4769 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4770 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4771 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4772 (mips_store_by_pieces_p): Likewise.
4774 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4776 * passes.c (register_one_dump_file): Free full_name.
4778 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4779 (calculate_elim_costs_all_insns): Free offsets_at and
4780 offsets_known_at at the end and clear the pointers.
4782 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4784 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4785 this option introduced in r180739.
4787 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4790 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4791 (tmake_file target=avr): Add avr/t-multilib.
4793 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4794 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4795 * config/avr/genmultilib.awk: New file.
4796 * config/avr/t-multilib: New auto-generated file.
4797 * config/avr/multilib.h: New auto-generated file.
4798 * config/avr/t-avr (AVR_MCUS): New variable.
4799 (genopt.sh): Use it.
4800 (s-mlib): Depend on t-multilib.
4801 (t-multilib, multilib.h): New dependencies.
4802 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4803 (MULTILIB_OPTIONS): Remove.
4804 (MULTILIB_MATCHES): Remove.
4805 (MULTILIB_DIRNAMES): Remove.
4806 (MULTILIB_EXCEPTIONS): Remove:
4807 * config/avr/genopt.sh: Don't use hard coded file name;
4808 pass AVR_MCUS from t-avr instead.
4810 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4812 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4814 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4816 Implement light-weight DImode support.
4817 * config/avr/avr-dimode.md: New file.
4818 * config/avr/avr.md: Include it.
4819 (adjust_len): Add plus64, compare64.
4820 (HIDI): Remove code iterator.
4821 (code_stdname): New code attribute.
4822 (rotx, rotsmode): Remove DI.
4823 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4825 * config/avr/avr-protos.h (avr_have_dimode): New.
4826 (avr_out_plus64, avr_out_compare64): New.
4827 * config/avr/avr.c (avr_out_compare): Handle DImode.
4828 (avr_have_dimode): New variable definition and initialization.
4829 (avr_out_compare64, avr_out_plus64): New functions.
4830 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4831 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4832 (avr_compare_pattern): Skip DImode comparisons.
4834 2012-01-02 Revital Eres <revital.eres@linaro.org>
4836 * ddg.c (def_has_ccmode_p): New function.
4837 (add_cross_iteration_register_deps,
4838 create_ddg_dep_from_intra_loop_link): Call it.
4840 2012-01-02 Richard Guenther <rguenther@suse.de>
4843 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4845 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4847 * gcc.c (process_command): Update copyright notice dates.
4848 * gcov.c (print_version): Likewise.
4849 * gcov-dump.c (print_version): Likewise.
4850 * mips-tfile.c (main): Likewise.
4851 * mips-tdump.c (main): Likewise.
4853 2012-01-01 Ira Rosen <irar@il.ibm.com>
4855 PR tree-optimization/51704
4856 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4857 a use is inside the basic block or loop before accessing its vect info.
4859 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4861 PR rtl-optimization/51069
4862 * cfgloopmanip.c (remove_path): Removing path making irreducible
4863 region unconditional makes BB part of the region.
4865 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4867 PR tree-optimization/51683
4868 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4869 calls with side-effects.
4870 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4872 Copyright (C) 2012 Free Software Foundation, Inc.
4874 Copying and distribution of this file, with or without modification,
4875 are permitted in any medium without royalty provided the copyright
4876 notice and this notice are preserved.