1 2012-06-14 Jakub Jelinek <jakub@redhat.com>
3 Backported from mainline
4 2012-06-07 Jakub Jelinek <jakub@redhat.com>
7 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
8 returns false, replace stmt with GIMPLE_NOP.
9 (check_omp_nesting_restrictions): Instead of issuing warnings,
10 issue errors and return false if any errors were reported.
12 2012-06-14 Richard Guenther <rguenther@suse.de>
14 * BASE-VER: Set to 4.7.2.
15 * DEV-PHASE: Set to prerelease.
17 2012-06-12 Christian Bruel <christian.bruel@st.com>
20 * config/sh/sh.c (sh_option_override): Don't force
21 flag_omit_frame_pointer and maccumulate_outgoing_args.
22 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
24 2012-06-14 Release Manager
28 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
30 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
32 2012-06-13 Richard Henderson <rth@redhat.com>
34 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
35 iterator instead of INT.
37 2012-06-08 Richard Henderson <rth@redhat.com>
40 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
41 note to a clobber insn when no other insn is available.
43 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
46 * doc/invoke.texi (Wenum-compare): Update documentation.
48 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
51 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
53 (altivec_stvlxl): Ditto.
54 (altivec_stvrx): Ditto.
55 (altivec_stvrxl): Ditto.
57 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
60 * trans-mem.c (expand_block_edges): Do not skip the first
61 statement when resetting the BB.
63 2012-06-04 Richard Guenther <rguenther@suse.de>
66 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
67 create new assembler names.
69 2012-06-04 Richard Guenther <rguenther@suse.de>
71 Backport from mainline
72 2012-04-25 Jakub Jelinek <jakub@redhat.com>
75 * stor-layout.c (get_best_mode): Don't return mode with bitsize
76 larger than maxbits. Don't compute maxbits modulo align.
77 Also check that unit bytes long store at bitpos / unit * unit
78 doesn't affect bits beyond bitregion_end.
79 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
80 would not fit into bitregion_start ... bitregion_end + 1 bit
82 (store_split_bit_field): Decrease unit close to end of bitregion_end
83 if access is restricted in order to avoid mutual recursion.
85 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
87 Backport from 2012-06-04 mainline r188172
90 * config/avr/avr-stdint.h: New file.
91 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
94 2012-06-04 Jakub Jelinek <jakub@redhat.com>
96 PR tree-optimization/53550
97 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
98 is POINTER_TYPE_P, use sizetype as step type instead of type.
100 2012-06-04 Richard Guenther <rguenther@suse.de>
101 Eric Botcazou <ebotcazou@adacore.com>
103 Backport from mainline
104 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
106 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
107 Change type of BITOFFSET to signed. Make sure the lower bound of
108 the computed range is non-negative by adjusting OFFSET and BITPOS.
109 (expand_assignment): Adjust call to get_bit_range.
111 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
113 * expr.c (get_bit_range): Return the null range if the enclosing record
114 is part of a larger bit field.
116 2012-03-20 Richard Guenther <rguenther@suse.de>
118 * stor-layout.c (finish_bitfield_representative): Fallback
119 to conservative maximum size if the padding up to the next
120 field cannot be computed as a constant.
121 (finish_bitfield_layout): If we cannot compute the distance
122 between the start of the bitfield representative and the
123 bitfield member start a new representative.
124 * expr.c (get_bit_range): The distance between the start of
125 the bitfield representative and the bitfield member is zero
126 if the field offsets are not constants.
128 2012-03-16 Richard Guenther <rguenther@suse.de>
130 * stor-layout.c (finish_bitfield_representative): Fall back
131 to the conservative maximum size if we cannot compute the
132 size of the tail padding.
134 2012-03-14 Richard Guenther <rguenther@suse.de>
136 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
137 * stor-layout.c (start_bitfield_representative): New function.
138 (finish_bitfield_representative): Likewise.
139 (finish_bitfield_layout): Likewise.
140 (finish_record_layout): Call finish_bitfield_layout.
141 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
142 for QUAL_UNION_TYPE fields.
143 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
144 Stream DECL_BIT_FIELD_REPRESENTATIVE.
145 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
150 * expr.c (get_bit_range): Unconditionally extract bitrange
151 from DECL_BIT_FIELD_REPRESENTATIVE.
152 (expand_assignment): Adjust call to get_bit_range.
154 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
157 * fold-const.c (fold_binary_loc): Refine previous change.
159 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
161 Backport from mainline
162 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
165 * config/sh/sh.c (find_barrier): Add equality check of last_got to
166 avoid going above orig insn. Update comments.
168 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
170 Backport from mainline
171 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
174 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
175 prologue for unwinder and profiler.
177 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
179 Backport from mainline
180 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
182 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
184 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
186 Backport from mainline
187 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
189 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
192 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
194 Backport from mainline
195 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
197 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
198 operand is CONST_INT. Take COSTS_N_INSNS into account.
199 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
202 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
204 * config/avr/avr.opt (-msp8): Document it.
205 * doc/invoke.texi (AVR Options): Copy from trunk docu.
207 2012-05-31 Richard Guenther <rguenther@suse.de>
210 * expr.c (expand_assignment): Do not use movmisalign on
213 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
216 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
217 (pa_section_type_flags): New.
218 (pa_legitimate_constant_p): Revert previous change.
220 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
222 Backport from mainline
223 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
226 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
228 (ipa_tm_create_version): Same.
230 2012-05-30 Jason Merrill <jason@redhat.com>
233 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
234 about array compound literals.
236 2012-05-30 Richard Guenther <rguenther@suse.de>
239 * fold-const.c (fold_binary_loc): Make sure to call
240 fold_plusminus_mult_expr with the original sign of operands.
242 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
244 * explow.c (probe_stack_range): Restore simple control flow and stop
245 again when the probe cannot be generated if HAVE_check_stack.
247 2012-05-30 Jakub Jelinek <jakub@redhat.com>
249 PR rtl-optimization/53519
250 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
251 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
253 2012-05-29 Richard Guenther <rguenther@suse.de>
255 PR tree-optimization/53516
256 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
258 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
260 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
262 Backport from mainline
263 2012-05-28 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/53438
266 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
268 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
270 Backport from mainline
271 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
273 PR rtl-optimization/52528
274 * combine.c (can_combine_p): Add setting of subst_low_luid
275 before call to expand_field_assignment().
277 2012-05-26 Martin Jambor <mjambor@suse.cz>
279 Backport from mainline
280 2012-05-23 Martin Jambor <mjambor@suse.cz>
282 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
284 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
287 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
288 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
290 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
293 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
294 (ix86_expand_vec_perm): Use int mode instead of float.
296 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
299 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
300 gnu_ld variables to yes.
301 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
302 (HAVE_GNU_AS): Likewise.
303 * config.in: Regenerate.
304 * configure: Likewise.
306 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
308 Backport from mainline
309 2012-03-12 Richard Guenther <rguenther@suse.de>
310 * config/arm/arm.c (neon_dereference_pointer): Do not call
311 covert during RTL expansion.
313 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
315 Backport from mainline
316 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
319 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
320 relied on signed overflow behavior.
322 2012-05-24 Richard Guenther <rguenther@suse.de>
325 * tree-profile.c (tree_profiling): Cleanup the CFG if
326 execute_fixup_cfg requests it.
328 2012-05-24 Jakub Jelinek <jakub@redhat.com>
330 PR tree-optimization/53465
331 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
332 vr0 into *vr, then vrp_meet that.
333 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
334 have any equivalences.
335 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
338 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
340 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
342 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
343 (iterative_hash_gimple_type): Adjust comment.
344 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
345 domain for an array type instead of the domain type itself.
347 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
349 Backport from 2012-05-23 mainline r187803
352 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
353 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
356 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
358 Backport from 2012-05-03 mainline r187075
360 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
361 has_fma4 for AMD processors with both fma3 and fma4 support.
363 2012-05-22 Richard Guenther <rguenther@suse.de>
365 PR tree-optimization/53408
366 * tree-vect-loop.c (vectorizable_induction): Properly check
367 the restriction that we cannot handle induction results from
368 the inner loop outside of the outer loop.
370 2012-05-21 Jakub Jelinek <jakub@redhat.com>
372 PR tree-optimization/53436
373 * omp-low.c (omp_build_component_ref): New function.
374 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
376 PR tree-optimization/53366
377 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
378 tests if complex_numbers == 2, but there are non-complex number loads
381 PR tree-optimization/53409
382 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
383 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
385 PR tree-optimization/53410
386 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
387 instead of build_int_cst (type, 0) where vector types might be
390 2012-05-21 Joseph Myers <joseph@codesourcery.com>
393 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
394 from folded operands before wrapping another around the
395 conditional expression.
397 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
398 Patrick Marlier <patrick.marlier@gmail.com>
400 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
403 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
405 Backport from mainline
406 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
409 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
410 (UNSPECV_RDRAND): This.
411 (rdrand<mode>_1): Updated.
413 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
415 Backport from mainline
416 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
418 * config/i386/driver-i386.c (host_detect_local_cpu): Support
419 RDRND, F16C and FSGSBASE.
421 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
423 Backport from mainline
424 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
426 * tree-ssa-pre.c (can_value_number_call): Delete.
427 (compute_avail): Skip all statements with side effects.
428 <GIMPLE_CALL>: Skip calls to internal functions.
430 2012-05-18 David S. Miller <davem@davemloft.net>
432 Backport r185385 from mainline
433 2012-03-14 Richard Guenther <rguenther@suse.de>
436 * tree-vect-generic.c (type_for_widest_vector_mode): Take
437 element type instead of mode, use build_vector_type_for_mode
438 instead of the langhook, build a vector of proper signedness.
439 (expand_vector_operations_1): Adjust.
441 2012-05-18 Olivier Hainque <hainque@adacore.com>
443 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
444 $(libsubdir) as libexecsubdir.
446 2012-05-16 Andrew Pinski <apinski@cavium.com>
448 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
451 2012-05-16 David S. Miller <davem@davemloft.net>
453 * jump.c (delete_related_insns): If we remove a CALL, make sure
454 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
456 2012-05-16 Richard Henderson <rth@redhat.com>
459 * combine-stack-adj.c (prev_active_insn_bb): New.
460 (next_active_insn_bb): New.
461 (force_move_args_size_note): New.
462 (combine_stack_adjustments_for_block): Use it.
464 2012-05-16 Olivier Hainque <hainque@adacore.com>
466 * Makefile.in (install-no-fixedincludes): New target, former toplevel
467 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
468 Add comments and improve stamp preservation across the whole sequence.
469 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
471 2012-05-16 Richard Guenther <rguenther@suse.de>
473 PR tree-optimization/53364
474 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
475 detect a view-conversion of the decl.
477 2012-05-15 Jakub Jelinek <jakub@redhat.com>
480 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
481 that operands[2] is either immediate, or q_regs_operand.
483 2012-05-15 Bin Cheng <bin.cheng@arm.com>
485 Backport r187139 from mainline.
486 2012-05-04 Bin Cheng <bin.cheng@arm.com>
488 PR rtl-optimization/52804
489 * reload1.c (reload_reg_reaches_end_p): Check whether successor
490 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
491 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
492 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
493 RELOAD_FOR_OUTADDR_ADDRESS.
495 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
498 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
499 generate target register for "load" class builtins.
502 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
505 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
506 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
507 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
508 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
509 (<sse>_movu<ssemodesuffix>): New expander.
510 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
511 (avx_movdqu<avxmodesuffix>): New expander.
512 (*sse2_movdqu): Rename from sse2_movdqu.
513 (sse2_movdqu): New expander.
515 2012-05-14 Jakub Jelinek <jakub@redhat.com>
517 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
518 lineno 1 the same as lineno 0 before first start file directive.
519 (optimize_macinfo_range): Likewise.
521 * dwarf2out.c (have_macinfo): Define.
522 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
523 attribute, don't force empty compilation unit and don't emit any
524 .debug_macinfo/.debug_macro section if macinfo_table is empty.
526 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
528 Backport from mainline
529 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
531 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
532 ORDERED and UNORDERED conditions.
534 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
536 * function.c (requires_stack_frame_p): If the function can throw
537 non-call exceptions, return true if the insn can throw internally.
539 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
541 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
542 DECL_ORIGINAL_TYPE if it is present.
544 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
546 Backport from 2012-05-12 mainline r187342.
549 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
550 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
551 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
552 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
553 (expand_prologue): Move initialization of cfun->machine->is_naked,
554 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
555 (avr_set_current_function): ...this new static function.
556 (TARGET_SET_CURRENT_FUNCTION): New define.
557 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
558 checking attributes of current_function_decl.
559 (avr_regs_to_save): Ditto.
560 (signal_function_p): Rename to avr_signal_function_p.
561 (interrupt_function_p): Rename to avr_interrupt_function_p.
563 * doc/extend.texi (Function Attributes): Better explanation of
564 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
567 2012-05-09 Matthias Klose <doko@ubuntu.com>
569 * gcc-ar.c (main): Don't check for execute bits for the plugin.
571 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
574 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
575 when a constant source operand matches an "I" constraint, the "no
576 CC0 change" applies to a register-destination only, not a
577 strict_low_part-destination.
579 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
581 Backport from mainline:
582 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
584 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
586 2012-05-07 Jakub Jelinek <jakub@redhat.com>
588 PR tree-optimization/53239
589 * tree-vrp.c (get_value_range): Set VR of
590 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
593 2012-05-07 Richard Guenther <rguenther@suse.de>
595 PR tree-optimization/53195
596 * tree-inline.c (setup_one_parameter): Properly add referenced
597 vars from the parameters new known value.
599 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
601 Backport from mainline:
602 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
605 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
608 2012-05-04 Ian Lance Taylor <iant@google.com>
610 * tree-vect-patterns.c (vect_single_imm_use): Correct return
611 values from false to NULL.
613 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
615 Backport from mainline
616 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
619 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
620 (TARGET_CMOV): Rename from TARGET_CMOVE.
621 (TARGET_CMOVE): New define.
622 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
623 Do not set TARGET_CMOVE here.
625 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
627 Backport from mainline:
629 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
631 PR tree-optimization/52633
632 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
633 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
634 (vect_recog_over_widening_pattern): Remove handling of code that was
635 already detected as over-widening pattern. Remove special handling
636 of "unsigned" cases. Instead, support general case of conversion
637 of the shift result to another type.
639 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
641 * tree-vect-patterns.c (vect_single_imm_use): New function.
642 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
643 (vect_recog_over_widening_pattern): Likewise.
644 (vect_recog_widen_shift_pattern): Likewise.
646 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
648 PR tree-optimization/52870
649 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
650 presumed pattern statement is within the same loop or basic block.
652 2012-05-04 Richard Guenther <rguenther@suse.de>
654 * common.opt (flto-report): Do not mark as Optimization.
656 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
659 * recog.c (constrain_operands): If extra constraints are present, also
660 accept pseudo-registers with equivalent memory locations during reload.
662 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
664 Backport from the mainline
665 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
668 * config/rs6000/rs6000.md (bswapdi splitters): If
669 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
670 default) is used, generate an alternate sequence that does not
671 depend on using indexed addressing.
673 2012-05-03 David S. Miller <davem@davemloft.net>
676 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
677 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
678 (sparc_emit_float_lib_cmp): Likewise.
680 2012-05-04 Martin Jambor <mjambor@suse.cz>
682 Backport from mainline
683 2012-05-02 Martin Jambor <mjambor@suse.cz>
686 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
687 of a variable when the contect is a function.
689 2012-05-03 Jakub Jelinek <jakub@redhat.com>
692 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
693 append program name to it and pass that as first argument
694 to make_relative_prefix. Always pass standard_libexec_prefix
695 as last argument to make_relative_prefix. If
696 make_relative_prefix returns NULL, fall back to
697 standard_libexec_prefix.
700 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
704 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
705 mode, return that mode.
707 2012-05-03 Richard Guenther <rguenther@suse.de>
709 PR tree-optimization/53144
710 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
712 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
713 with SSA name values.
714 (vn_reference_lookup_3): Adjust callers.
716 2012-05-02 Jakub Jelinek <jakub@redhat.com>
718 PR tree-optimization/53163
719 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
720 return value from compute_all_dependences.
722 PR rtl-optimization/53160
723 * ree.c (combine_reaching_defs): Handle the case where cand->insn
724 has been modified by ree pass already.
726 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
728 Backport from mainline
729 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
732 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
733 calls to cgraph_node_name in xstrdup.
734 (ipa_make_edge_direct_to_target): Ditto.
735 * tree-sra.c (convert_callers_for_node): Ditto.
736 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
737 * ipa-cp.c (perhaps_add_new_callers): Ditto.
738 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
739 (cgraph_materialize_all_clones): Ditto.
740 * ipa-inline.c (report_inline_failed_reason): Ditto.
741 (want_early_inline_function_p): Ditto.
742 (edge_badness): Ditto.
743 (update_edge_key): Ditto.
744 (flatten_function): Ditto.
746 (inline_always_inline_functions): Ditto.
747 (early_inline_small_functions): Ditto.
749 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
751 Backport from mainline
752 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
754 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
755 Introduce emul_name to select the right linker emulation for
756 powerpc64-*-freebsd*.
757 * configure: Regenerate.
758 * config.gcc: Add bits to support powerpc64-*-freebsd*.
759 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
760 * config/rs6000/freebsd64.h: New file.
761 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
763 (rs6000_savres_strategy): Likewise.
764 (rs6000_savres_routine_name): Likewise.
765 (rs6000_elf_file_end): Likewise.
766 * config/rs6000/t-freebsd64: New file.
767 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
768 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
770 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
772 Backport from mainline
773 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
776 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
778 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
780 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
781 predicate to discriminate types.
783 2012-04-27 Richard Guenther <rguenther@suse.de>
786 * convert.c (convert_to_integer): Avoid infinite recursion for
787 target-defined built-in types.
789 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
792 * config/cris/cris.md ("*andhi_lowpart_v32")
793 ("*andqi_lowpart_v32"): Change first input-only operand from
794 a (match_operand ...) to (match_dup 0). Drop alternatives with
795 const_int-matching constraints for redundancy.
796 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
797 three-operand alternative.
799 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
801 Backport from mainline
802 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
804 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
805 (*addsi_2_zext): Ditto.
806 (*add<mode>_3): Ditto.
807 (*addsi_3_zext): Ditto.
808 (*add<mode>_5): Ditto.
810 2012-04-25 Jakub Jelinek <jakub@redhat.com>
813 * c-typeck.c (set_nonincremental_init,
814 set_nonincremental_init_from_string): Pass true instead of false
815 as IMPLICIT to add_pending_init.
817 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
819 Backport from 2012-04-24 mainline r186768.
822 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
824 2012-04-24 Richard Guenther <rguenther@suse.de>
826 PR tree-optimization/53085
827 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
830 2012-04-24 Jakub Jelinek <jakub@redhat.com>
833 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
835 (output_addressed_constants): Likewise.
838 * varasm.c (get_section): Don't ICE for section conflicts with
839 built-in section kinds.
841 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
843 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
845 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
847 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
849 2012-04-23 Richard Guenther <rguenther@suse.de>
852 * c-typeck.c (build_binary_op): Fix typo.
854 2012-04-23 Jakub Jelinek <jakub@redhat.com>
856 PR tree-optimizations/52891
857 * tree-vect-patterns.c (adjust_bool_pattern): Use
858 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
859 but with non-standard precision.
861 2012-04-22 Ian Lance Taylor <iant@google.com>
863 * godump.c (go_output_typedef): Dump size of structs.
865 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
867 Backport from mainline:
869 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
870 hints for 'A' operand types.
872 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
874 Backport from 2012-04-19 mainline r186588.
877 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
880 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
882 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
884 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
887 * config/i386/sync.md (atomic_<code><mode>): Rename to
888 atomic_<logic><mode>.
890 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
892 Backport from mainline
893 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
896 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
897 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
898 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
899 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
900 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
901 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
902 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
903 gen_avx2_permvarv8sf.
905 2012-04-16 Martin Jambor <mjambor@suse.cz>
907 Backported from mainline
909 2012-04-13 Martin Jambor <mjambor@suse.cz>
912 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
913 fold_ctor_reference returns a zero constant.
915 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
917 Backported from mainline
918 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
920 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
921 and __ILP32__ for x32.
923 2012-04-13 Tom de Vries <tom@codesourcery.com>
925 Backport from mainline r186418.
927 2012-04-13 Tom de Vries <tom@codesourcery.com>
929 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
930 parameters vuse and vuse_escaped.
931 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
932 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
935 2012-04-13 Richard Guenther <rguenther@suse.de>
937 PR tree-optimization/52969
938 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
939 the condition for the COND_EXPR and handle predicate negation
940 by swapping the COND_EXPR arms.
942 2012-04-13 Richard Guenther <rguenther@suse.de>
945 * convert.c (convert_to_pointer): Remove special-casing of
948 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
950 Backport from mainline
951 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
954 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
955 the list of options to enable the FCFID instruction.
956 (TARGET_EXTRA_BUILTINS): Adjust comment.
958 2012-04-12 Richard Guenther <rguenther@suse.de>
960 PR tree-optimization/52943
961 * tree-chrec.h (chrec_is_positive): Remove.
962 * tree-scalar-evolution.c (chrec_is_positive): Move ...
963 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
964 Return false for a constant zero instead of negative.
965 (analyze_siv_subscript_cst_affine): Handle zero difference
966 in the initial condition explicitely.
968 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
971 * varasm.c (process_pending_assemble_externals): Set
972 pending_assemble_externals_processed true.
973 (assemble_external): Call assemble_external_real if the pending
974 assemble externals have been processed.
976 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
979 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
980 the DECL generated for the special GOT helper.
982 2012-04-06 Walter Lee <walt@tilera.com>
984 Backport from mainline
985 2012-03-07 Walter Lee <walt@tilera.com>
987 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
988 REG_CFA_* notes for the stack pointer.
989 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
990 EH_RETURN_STACKADJ_RTX.
991 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
992 generate REG_CFA_* notes for the stack pointer.
993 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
994 by EH_RETURN_STACKADJ_RTX.
996 2012-04-06 Matt Turner <mattst88@gmail.com>
998 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1000 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1002 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1003 of the destination isn't also a FP_REGS register.
1005 2012-04-03 Richard Guenther <rguenther@suse.de>
1007 Backport from mainline
1008 2012-03-02 Richard Guenther <rguenther@suse.de>
1010 PR tree-optimization/52406
1011 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1012 (struct indices): Add unconstrained_base member.
1013 (struct dr_alias): Remove unused vops member.
1014 (DR_UNCONSTRAINED_BASE): New define.
1015 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1016 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1017 be an artificial access that covers the whole indexed object,
1018 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1019 plain decl base-objects to their MEM_REF variant.
1020 (dr_may_alias_p): When the base-object of either data reference
1021 has unknown size use only points-to information.
1022 (compute_affine_dependence): Make dumps easier to read and
1024 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1025 DR_REF when looking for packed references.
1026 (vect_supportable_dr_alignment): Likewise.
1028 2012-04-03 Richard Guenther <rguenther@suse.de>
1030 Backport from mainline
1031 2012-03-15 Richard Guenther <rguenther@suse.de>
1034 * tree-data-ref.c (subscript_dependence_tester_1): Check
1035 all dimensions for non-conflicting access functions.
1037 2012-04-03 Richard Guenther <rguenther@suse.de>
1039 Backport from mainline
1040 2012-03-06 Richard Guenther <rguenther@suse.de>
1043 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1045 2012-03-23 Richard Guenther <rguenther@suse.de>
1047 PR tree-optimization/52678
1048 * tree-vectorizer.h (struct _stmt_vec_info): Add
1049 loop_phi_evolution_part member.
1050 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1051 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1052 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1053 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1054 Use the cached evolution part and the PHI nodes value from
1055 the loop preheader edge instead of re-analyzing the evolution.
1057 2012-03-26 Richard Guenther <rguenther@suse.de>
1059 PR tree-optimization/52701
1060 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1061 compute and set the evolution part of PHI nodes.
1063 2012-03-30 Richard Guenther <rguenther@suse.de>
1065 PR tree-optimization/52754
1066 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1067 propagate arbitrary addresses into really plain dereferences.
1069 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1071 PR tree-optimization/52835
1072 * tree-data-ref.c (build_rdg): Return NULL if
1073 compute_data_dependences_for_loop failed.
1075 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1077 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1078 (stmt_can_make_abnormal_goto): Use it.
1079 (is_ctrl_altering_stmt): Likewise.
1081 2012-03-31 Martin Jambor <mjambor@suse.cz>
1083 Backported from mainline
1084 2012-03-30 Martin Jambor <mjambor@suse.cz>
1086 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1087 is a builtin_stack_save in a dominating BB.
1089 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1091 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1092 crossing 128bit lane boundary.
1094 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1096 Backported from mainline
1097 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1100 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1102 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1103 * config/i386/i386.c: Include reload.h.
1104 (ix86_legitimize_reload_address): New function.
1106 2012-03-28 Martin Jambor <mjambor@suse.cz>
1108 Backported from mainline
1109 2012-03-27 Martin Jambor <mjambor@suse.cz>
1112 * tree-sra.c (sra_modify_assign): Do not call
1113 load_assign_lhs_subreplacements when working with an unscalarizable
1116 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1119 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1120 __builtin_va_start to __builtin_next_arg if the latter is
1121 builtin_decl_explicit_p rather than when it is not.
1124 * tree-vect-generic.c (vector_element): Perform multiplication
1125 for pos in bitsizetype type instead of idx type.
1127 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1129 Backport from 2012-03-28 mainline r185910.
1132 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1133 (avr_builtin_decl): New static function.
1134 (struct avr_builtin_description, avr_bdesc): Move up.
1135 Add GTY marker. Add field fndecl. Remove redundant field id.
1136 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1137 (avr_expand_builtin): Code cleanup because .id is removed.
1139 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1142 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1145 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1147 Backport from 2012-03-28 mainline r185907.
1150 * config.gcc (tm_file): Remove avr/multilib.h.
1152 * doc/invoke.texi (AVR Options): Adjust
1153 documentation of -mtiny-stack.
1155 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1156 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1157 * config/avr/t-avr: Remove generation of multilib.h.
1158 * config/avr/t-multilib: Regenerate.
1159 * config/avr/multilib.h: Remove.
1160 * config/avr/avr.opt (-msp8): New option.
1161 (avr_sp8): New variable.
1162 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1163 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1164 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1165 (avr_device_to_sp8): New prototype.
1166 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1167 (DRIVER_SELF_SPECS): New define.
1168 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1169 __AVR_SP8__, __AVR_HAVE_SPH__.
1170 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1171 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1172 (avr_file_start): Ditto.
1174 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1177 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1178 instead of 8 in adjust_address.
1180 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1182 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1183 of a unit before computing the offset in units.
1185 2012-03-27 Richard Guenther <rguenther@suse.de>
1188 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1191 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1194 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1196 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1199 * varasm.c: Include pointer-set.h.
1200 (pending_assemble_externals_set): New pointer set.
1201 (process_pending_assemble_externals): Destroy the pointer set.
1202 (assemble_external): See if decl is in pending_assemble_externals_set,
1203 and add it to pending_assemble_externals if necessary.
1204 (init_varasm_once): Allocate pending_assemble_externals_set.
1206 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1208 Backported from mainline
1209 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1212 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1213 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1214 (vector_ltgt<mode>): Likewise.
1215 (vector_ordered<mode>): Likewise.
1216 (vector_unordered<mode>): Likewise.
1217 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1219 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1221 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1224 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1226 Backported from mainline
1227 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1231 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1232 GENERAL_REGS and FP_REGS for SImode.
1234 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1237 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1238 on any new_local_var_chain vars declared during recursing on
1239 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1241 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1243 Backport from 2012-03-22 mainline r185692.
1246 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1247 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1248 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1249 (delay_cycles_1, delay_cycles_2): Ditto.
1250 (delay_cycles_3, delay_cycles_4): Ditto.
1251 (nopv, *nopv): Ditto.
1252 (sleep, *sleep): Ditto.
1255 Backport from 2012-03-21 mainline r185605.
1257 PR rtl-optimization/52543
1259 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1260 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1261 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1262 (avr_load_libgcc_p): Restrict to __flash loads.
1263 (avr_out_lpm): Only handle 1-byte loads from __flash.
1264 (avr_load_lpm): New function.
1265 (avr_find_unused_d_reg): Remove.
1266 (avr_out_lpm_no_lpmx): Remove.
1267 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1268 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1269 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1270 (load_<mode>, load_<mode>_clobber): New insns.
1271 (mov<mode>): For multi-byte move from non-generic
1272 16-bit address spaces: Expand to load_<mode> resp.
1273 load_<mode>_clobber.
1274 (load<mode>_libgcc): Remove expander.
1275 (split-lpmx): Remove split.
1277 Backport from 2012-03-13 mainline r185329.
1280 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1281 offset (size) to a value the insns can deal with.
1282 (expand_epilogue): Ditto.
1284 Backport from 2012-03-12 mainline r185256.
1287 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1288 type from reg_class_t to enum reg_class.
1289 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1291 Backport from 2012-03-12 mainline r185253.
1294 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1295 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1296 r184615 from 2012-02-28.
1298 Backport from 2012-03-08 mainline r185105.
1300 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1301 for constants in [-63,63].
1303 Backport from 2012-03-08 mainline r185100.
1306 * config/avr/avr.c (avr_mem_clobber): New static function.
1307 (avr_expand_delay_cycles): Add memory clobber operand to
1308 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1309 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1310 (enable_interrupt, disable_interrupt): New expander.
1311 (nopv, sleep, wdr): New expanders.
1312 (delay_cycles_1): Add memory clobber.
1313 (delay_cycles_2): Add memory clobber.
1314 (delay_cycles_3): Add memory clobber.
1315 (delay_cycles_4): Add memory clobber.
1316 (cli_sei): New insn from former "enable_interrupt",
1317 "disable_interrupt" with memory clobber.
1318 (*wdt): New insn from former "wdt" with memory clobber.
1319 (*nopv): Similar, but for "nopv".
1320 (*sleep): Similar, but for "sleep".
1322 Backport from 2012-03-07 mainline r185043.
1325 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1327 Backport from 2012-03-07 mainline r185032.
1330 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1331 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1332 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1334 Backport from 2012-03-07 mainline r185031.
1337 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1339 * config/avr/avr.md (xload_8): Adjust insn length.
1341 Backport from 2012-03-07 mainline r185030.
1344 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1345 if RAMPZ affects reading from RAM.
1347 Backport from 2012-03-05 mainline r184919.
1349 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1351 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1353 Backport from mainline r185259.
1356 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1357 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1359 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1361 Backported from mainline
1362 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1365 * c-parser.c (c_parser_postfix_expression)
1366 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1368 * config/i386/smmintrin.h: Avoid /* within a comment.
1369 * config/i386/nmmintrin.h: Likewise.
1371 2012-03-22 Richard Guenther <rguenther@suse.de>
1373 * BASE-VER: Set to 4.7.1.
1374 * DEV-PHASE: Set to prerelease.
1376 2012-03-22 Release Manager
1378 * GCC 4.7.0 released.
1380 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1382 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1384 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1385 Andrew Pinski <apinski@cavium.com>
1388 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1389 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1390 calls instead of __builtin_ir{int,ound}*.
1392 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1395 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1398 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1400 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1401 Refer to GCC 4.7 version of c99status.html.
1403 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1405 Backport from mainline
1406 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1408 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1409 redefine to be NULL if the current bit-size is different from the
1410 configured bit-size.
1412 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1413 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1414 set the default tuning. Add asserts to make sure the cpu and tune
1415 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1416 test whether the index is set, instead of > 0.
1417 (rs6000_file_start): Do not reset the default cpu if the current
1418 bit-size is different from the configured bit-size.
1420 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1422 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1424 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1425 Update binutils references.
1426 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1427 Update binutils reference.
1428 Update Sun as/GNU ld caveat.
1429 Document binutils largefile requirement for LTO plugin.
1430 Remove reference to alternate libpthread.
1432 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1434 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1436 (Specific, mips-sgi-irix6): Likewise.
1438 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1440 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1441 * configure: Regenerate.
1443 2012-03-07 Richard Henderson <rth@redhat.com>
1445 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1446 * config/m68k/sync.md (atomic_test_and_set): Use it.
1447 (atomic_test_and_set_1): Likewise.
1449 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1452 * Makefile.in: Let install-gcc-ar depend on installdirs,
1453 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1454 Don't double canonicalize if cross-compiling.
1456 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1458 * trans-mem.c: New typedef for tm_region_p.
1459 Define vector types for tm_region_p.
1460 (tm_region_init): Replace region_worklist to a vector called
1463 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1466 * trans-mem.c (tm_region_init): Use last_basic_block.
1468 2012-03-05 Richard Henderson <rth@redhat.com>
1471 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1472 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1473 BIGGEST_ALIGNMENT is aligned.
1475 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1477 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1479 2012-03-05 Richard Henderson <rth@redhat.com>
1482 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1483 instead of calling negqi2 directly.
1485 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1487 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1488 (INTMAX_TYPE): Use it.
1489 (UINTMAX_TYPE): Likewise.
1490 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1491 (irix6_c_common_override_options): Declare.
1492 (C_COMMON_OVERRIDE_OPTIONS): Define.
1493 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1494 * config/mips/irix6-c.c: New file.
1495 * config/mips/t-irix6 (irix6-c.o): New target.
1496 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1499 2012-03-02 Richard Henderson <rth@redhat.com>
1501 * optabs.c (expand_atomic_test_and_set): Honor
1502 atomic_test_and_set_trueval even when atomic_test_and_set
1503 optab is not in use.
1505 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1507 Backport from mainline
1508 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1510 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1512 2012-03-02 Richard Guenther <rguenther@suse.de>
1514 * DEV-PHASE: Set to prerelease.
1516 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1518 * config.gcc (obsolete): Add all ARM targets using the FPA.
1519 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1520 * doc/install.texi: Avoid references to obsolete ARM ports.
1522 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1524 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1526 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1527 Joern Rennecke <joern.rennecke@embecosm.com>
1529 * doc/extend.texi: Expand and update information on interrupt
1530 attribute for Epiphany.
1532 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1534 * config/sh/sh-protos.h: Update copyright notice dates.
1535 * config/sh/sh.h: Likewise.
1536 * config/sh/sh.md: Likewise.
1537 * config/sh/constraints.md: Likewise.
1538 * config/sh/predicates.md: Likewise.
1540 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1542 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1543 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1545 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1547 * config/sh/constraints.md: Fix comment typo.
1549 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1552 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1553 unsigned HOST_WIDE_INT.
1554 (zvdep_imm64): Likewise.
1555 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1556 (vdepi_and): Likewise.
1557 Likewise for unamed 64-bit patterns.
1558 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1560 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1563 PR rtl-optimization/52417
1564 * cselib.c (cselib_any_perm_equivs): New variable.
1565 (cselib_reset_table): Check that it's not set when not
1566 preserving constants.
1567 (cselib_add_permanent_equiv): Set it.
1568 (cselib_have_permanent_equivalences): New.
1569 (cselib_init, cselib_finish): Reset it.
1570 * cselib.h (cselib_have_permanent_equivalences): Declare.
1571 * alias.c (get_addr): Restore earlier behavior when there
1572 aren't permanent equivalences.
1574 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1576 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1577 * config/v850/v850-modes.def: Fix copyright notice.
1579 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1581 * doc/extend.texi (AVR Built-in Functions): Document
1582 __builtin_avr_flash_segment.
1584 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1585 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1586 (*split.flash_segment): New insn-and-split.
1587 * config/avr/avr.c (avr_init_builtins): Add local variables:
1588 const_memx_void_node, const_memx_ptr_type_node,
1589 char_ftype_const_memx_ptr.
1591 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1593 PR tree-optimization/52445
1594 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1595 add ssa_name_ver, offset and size fields and change store field
1597 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1598 (add_or_mark_expr): Likewise. Only consider previous stores
1599 with the same size and offset.
1600 (nt_init_block): Only look at gimple_assign_single_p stmts,
1601 doesn't look at rhs2.
1603 2012-03-01 Richard Guenther <rguenther@suse.de>
1606 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1607 conversions from integral types to pointer types.
1609 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1611 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1612 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1613 unintentionally removed in r184616.
1615 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1617 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1620 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1621 Uros Bizjak <ubizjak@gmail.com>
1624 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1625 alternatives, add "e" constraint to the new last alternative
1626 and ! to last 3 alternatives.
1628 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1630 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1631 DW_AT_artificial attributes at the end of the processing.
1632 (gen_array_type_die): Likewise.
1633 (gen_enumeration_type_die): Likewise.
1634 (gen_struct_or_union_type_die): Likewise.
1635 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1638 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1641 * expr.c (expand_assignment): If doing misaligned store that doesn't
1642 cover all mode bits, perform a RMW cycle.
1644 PR tree-optimization/52429
1645 * tree-parloops.c (separate_decls_in_region_debug): Return early
1646 if var is LABEL_DECL.
1648 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1650 PR tree-optimization/52424
1651 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1652 calling dom_thread_across_edge.
1654 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1656 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1658 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1660 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1661 * config/avr/avr.c (avr_output_bld): Remove unused function.
1662 (avr_out_sbxx_branch): Use "%T" to print bit position.
1664 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1666 * config/avr/avr.md: Untabify.
1668 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1670 * config/avr/avr.md (eqne): New code iterator.
1671 (*dec-and-branchsi): Use it in text peephole's condition.
1672 (*dec-and-branchhi): Ditto.
1673 (*dec-and-branchqi): Ditto.
1675 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1678 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1679 the device does not have the skip-bug.
1681 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1683 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1684 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1685 -mpretend-cmove): New.
1687 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1690 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1691 doesn't count DEBUG_INSN refs.
1692 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1693 for DEBUG_INSN refs.
1695 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1699 2012-02-20 Richard Guenther <rguenther@suse.de>
1700 PR tree-optimization/52298
1701 * tree-vect-stmts.c (vectorizable_load): Properly use
1702 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1705 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1708 * gimple.h (gimple_in_transaction): New.
1709 (gimple_set_in_transaction): New.
1710 (struct gimple_statement_base): Add in_transaction field.
1711 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1713 (tree_ssa_lim_initialize): Compute transaction bits.
1714 * tree.h (compute_transaction_bits): Protoize.
1715 * trans-mem.c (tm_region_init): Use the heap to store BB
1717 (compute_transaction_bits): New.
1719 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1721 * gcc.c (display_help): Document --help=common and sort entries
1724 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1726 * doc/install.texi: Document check-$LANG specific shortcuts
1728 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1731 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1733 * config/arm/arm_neon.h: Regenerate.
1734 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1735 (neon_vcgeu): New insn.
1736 (neon_vcgtu): Likewise.
1737 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1738 (ops): Unsigned comparison intrinsics call a different
1741 2012-02-28 Richard Guenther <rguenther@suse.de>
1744 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1745 ordering for the VEC_CONCAT for two element vectors for
1746 V2SFmode, V2SImode and V2DImode.
1748 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1751 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1752 detecting big-endian triplets.
1754 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1756 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1757 mode if there is no type information available.
1759 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1761 PR tree-optimization/53207
1762 * doc/invoke.texi: Document as experimental and relying on graphite.
1764 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1766 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1767 of initializer to changes from r184614.
1769 2012-02-28 Richard Guenther <rguenther@suse.de>
1771 PR tree-optimization/52395
1772 * tree-sra.c (build_ref_for_offset): Also look at the base
1773 TYPE_ALIGN when figuring out the alignment of the replacement.
1775 2012-02-28 Richard Guenther <rguenther@suse.de>
1777 PR tree-optimization/52402
1778 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1779 mis-aligned types when creating the accesses at the call site.
1781 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1783 * config/avr/builtins.def: New file.
1784 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1785 * config/avr/avr.c (enum avr_builtin_id): Use it.
1786 (avr_init_builtins): Use it. And use avr_bdesc.
1787 (bdesc_1arg): Remove.
1788 (bdesc_2arg): Remove.
1789 (bdesc_3arg): Remove.
1790 (struct avr_builtin_description): Add field n_args.
1791 (avr_bdesc): New static variable using builtins.def.
1792 (avr_expand_builtin): Use it.
1793 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1794 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1795 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1797 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1800 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1801 match only one single hard register with respective hard reg rtx.
1802 (movmemx_<mode>): Ditto.
1803 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1804 insn anatomy of movmem[x]_<mode>.
1805 (avr_out_movmem): Same for printing assembler and operand usage.
1807 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1811 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1812 address spaces located outside of device flash.
1814 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1815 (mcu_type_s): Add field n_flash.
1816 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1817 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1818 (AVR_MCU): Add N_FLASH argument.
1819 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1820 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1821 macro __FLASH<n> if that address space makes sense for the device.
1822 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1823 outside of target flash.
1824 (avr_asm_named_section): Ditto.
1825 (avr_asm_select_section): Ditto.
1826 (avr_addr_space_convert): Ditto.
1827 (avr_emit_movmemhi): Ditto.
1828 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1829 address space is outside of device flash.
1830 (avr_insert_attributes): Ditto.
1831 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1832 avr_current_arch->n_segments.
1834 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1837 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1839 (*movabs<mode>_2): Likewise.
1841 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1844 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1845 s_register_operand in the test instead of REG_P. Don't call
1846 gen_reg_rtx if it won't be used.
1848 PR tree-optimization/52376
1849 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1851 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1853 * ifcvt.c (noce_get_condition): Check condition variable is not
1854 small_register_classes_for_mode_p before accepting.
1856 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1858 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1860 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1863 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1864 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1866 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1868 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1870 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1872 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1874 * config/sh/predicates.md: Remove blank lines.
1875 * config/sh/sh.c: Fix typos in comments.
1876 * config/sh/constraints.md: Likewise.
1877 * config/sh/sh.md: Remove blank lines.
1878 Fix typos in comments. Use ;; as comment characters.
1880 2012-02-26 Walter Lee <walt@tilera.com>
1882 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1883 (replace_mov_pcrel_step2): Ditto.
1885 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1888 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1889 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1890 and locs that reference values newer than the non-canonical value
1891 at hand. Return the canonical value as a worst case.
1892 (memrefs_conflict_p): Walk canonical value's locs.
1895 * cselib.c (preserve_only_constants): Rename to...
1896 (preserve_constants_and_equivs): ... this. Split out...
1897 (invariant_or_equiv_p): ... this. Preserve plus expressions
1898 of other preserved expressions too.
1899 (cselib_reset_table): Adjust.
1900 * var-tracking.c (reverse_op): Use canonical value to build
1903 2012-02-23 Kai Tietz <ktietz@redhat.com>
1905 * config/i386/i386.c (ix86_delegitimize_address): Handle
1906 UNSPEC_PCREL plus displacement.
1908 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1911 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1912 to test for unusedness in st X addressing.
1914 2012-02-24 Richard Guenther <rguenther@suse.de>
1917 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1918 (is_gimple_reg_type): Move inline ...
1919 * gimple.h (is_gimple_reg_type): ... here.
1921 2012-02-24 Richard Guenther <rguenther@suse.de>
1924 * passes.c (execute_function_todo): When verifying SSA form
1925 verify gimple form first.
1926 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1928 2012-02-24 Richard Guenther <rguenther@suse.de>
1931 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1932 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1934 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1936 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1938 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1940 * tree-phinodes.c (make_phi_node): Mark static.
1941 * tree-flow.h (make_phi_node): Remove extern decl.
1942 * doc/gimple.texi (make_phi_node): Remove documentation.
1944 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1946 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1947 * tree-ssa-sccvn.c (print_scc): Ditto.
1949 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1951 * doc/passes.texi (Full redundancy elimination): Fix typo.
1953 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1955 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1957 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1960 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1962 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1965 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1967 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1969 * config/avr/avr.md (code_stdname): Add ior, xor.
1970 (xior): New code iterator.
1971 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1972 (*<code_stdname><mode>qi.byte1-3): Ditto.
1974 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1976 PR tree-optimization/52019
1977 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1980 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1982 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1983 HAVE_INITFINI_ARRAY to work around namespace pollution in
1984 certain versions of newlib system headers.
1985 * config.in: Regenerate.
1986 * configure: Regenerate.
1987 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1988 instead of HAVE_INITFINI_ARRAY.
1990 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1993 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1994 is not offsettable memory reference.
1996 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1999 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2000 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2002 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2004 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2005 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2007 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2009 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2010 library on Solaris 8 even without TLS support.
2011 * configure: Regenerate.
2013 2012-02-22 Richard Guenther <rguenther@suse.de>
2016 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2017 for GIMPLE_DEBUG stmts.
2019 2012-02-22 Martin Jambor <mjambor@suse.cz>
2022 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2023 according to the base object.
2025 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2027 PR rtl-optimization/50063
2028 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2029 and 2 (8-bit SP) in operand 2.
2030 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2031 setup to use movhi_sp_r instead of vanilla move to write SP.
2032 Adjust REG_CFA notes to superseed unspec.
2033 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2035 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2036 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2037 irq_state 1 (IRQ known to be on) here.
2039 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2041 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2043 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2044 assign_hard_reg): Likewise.
2046 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2048 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2050 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2053 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2054 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2056 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2058 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2059 prototype from here to...
2060 * config/avr/avr.h: ...here.
2062 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2065 * thumb2.md (thumb2_shiftsi3_short): Split register and
2066 immediate shifts. For register shifts tie operands 0 and 1.
2067 (peephole2 for above): Check that register-controlled shifts
2068 have suitably tied operands.
2070 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2073 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2074 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2075 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2076 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2077 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2078 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2079 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2080 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2081 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2082 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2083 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2084 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2085 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2086 bdver1_ssevector_avx256_unaligned_load,
2087 bdver1_ssevector_sse128_unaligned_load,
2088 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2089 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2090 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2091 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2092 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2093 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2094 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2095 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2096 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2097 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2098 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2099 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2100 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2101 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2102 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2103 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2104 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2105 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2106 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2107 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2108 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2109 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2110 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2111 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2112 bdver1_ssediv_double_load, bdver1_ssediv_double,
2113 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2114 Add "bdver2" attribute.
2116 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2118 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2119 default if possible and not specified otherwise.
2121 2012-02-21 Richard Guenther <rguenther@suse.de>
2124 * gimplify.c (create_tmp_from_val): Use the main variant type
2125 for the type of the temporary we create.
2127 2012-02-21 Richard Guenther <rguenther@suse.de>
2129 PR tree-optimization/52324
2130 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2131 do not gimplify a MEM_REF address operand if it is already
2134 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2136 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2137 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2139 2012-02-21 Richard Guenther <rguenther@suse.de>
2141 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2142 nested_in_vect_loop.
2144 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2146 PR tree-optimization/52318
2147 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2148 vdef also to non-pure/const call stmts in the sequence.
2150 2012-02-20 David S. Miller <davem@davemloft.net>
2152 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2153 don't use the "rd %pc" instruction on v9 for PIC register loads.
2155 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2158 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2159 in a transaction safe function.
2161 2012-02-20 Kai Tietz <ktietz@redhat.com>
2164 * stor-layout.c (place_field): Handle desired_align for
2167 2012-02-20 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/52298
2170 * tree-vect-stmts.c (vectorizable_store): Properly use
2171 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2173 (vectorizable_load): Likewise.
2174 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2175 Access DR_STEP after ensuring it is not NULL.
2177 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2179 PR tree-optimization/52286
2180 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2181 optimization use double_int_to_tree instead of build_int_cst_wide,
2182 rewrite to use double_int vars.
2184 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2187 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2189 Remove -e 0 from $gcc_cv_ld invocation.
2190 Only use __GLIBC_PREREQ if defined.
2191 Enable on Solaris since Solaris 8 patch.
2192 (gcc_SUN_LD_VERSION): New macro.
2193 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2194 gcc_SUN_LD_VERSION for version number format.
2195 * configure: Regenerate.
2196 * varasm.c (get_elf_initfini_array_priority_section): Set
2197 SECTION_NOTYPE for non-default priority.
2198 Use get_section instead of get_unnamed_section to emit
2199 .init_array/.fini_array with default priority.
2201 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2203 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2204 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2205 (mips_start_unique_function, mips_output_mips16_rdhwr)
2206 (mips_code_end): New functions.
2207 (TARGET_ASM_CODE_END): Define.
2209 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2211 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2212 to stubs with non-sibling calls.
2214 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2216 * doc/invoke.texi (-fira-* options): Copy-edit.
2217 (ira-* parameters): Copy-edit.
2219 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2221 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2222 GCC coding conventions.
2224 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2226 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2227 when used as adjectives.
2229 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2231 * doc/invoke.texi: Clean up "that"/"which" confusion.
2233 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2235 * system.h: Poison SMALL_REGISTER_CLASSES
2236 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2237 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2239 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2241 PR tree-optimization/52285
2242 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2243 when deciding if a call is a tail call or tail recursion.
2245 2012-02-16 Kai Tietz <ktietz@redhat.com>
2247 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2248 interger-constant displacement for UNSPEC_PCREL.
2250 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2252 PR rtl-optimization/52208
2253 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2254 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2256 PR tree-optimization/52255
2257 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2258 loop->header has virtual PHI, but exit_e->dest doesn't, add
2259 virtual PHI to exit_e->dest and adjust all uses after the loop.
2262 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2263 children with clone_tree_hash, not after it.
2265 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2267 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2268 extended identifiers.
2270 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2273 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2274 a same_body_alias, also test whether e->callee isn't a former
2275 or current clone of the decl this is a same body alias of.
2277 PR translation/52264
2278 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2280 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2282 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2284 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2287 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2288 force_reg instead of copy_to_reg for better optimization. Force
2289 non-register or memory operands into a register.
2291 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2293 * extend.texi: Reserve upper bits of memory model for future use.
2295 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2296 Anatoly Sokolov <aesok@post.ru>
2297 Eric Weddington <eric.weddington@atmel.com>
2300 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2301 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2302 Rewrite initializers for .macro.
2303 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2304 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2305 atxmega32d4, atxmega32x1.
2306 avrxmega4: atxmega64a3, atxmega64d3.
2307 avrxmega5: atxmega64a1, atxmega64a1u.
2308 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2309 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2310 avrxmega7: atxmega128a1, atxmega128a1u.
2311 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2312 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2313 (struct base_arch_s): Rename reserved to xmega_p.
2314 Rename reserved2 to have_rampd.
2315 (AVR_XMEGA): New define.
2316 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2317 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2318 * config/avr/predicates.md (io_address_operand): Take into
2320 (low_io_address_operand): Ditto.
2321 (high_io_address_operand): Ditto.
2322 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2323 (enabled, movhi_sp_r): Use them.
2324 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2325 cpp_define_formatted to built-in define __AVR_ARCH__.
2326 (__AVR_XMEGA__): New built-in define.
2327 (__AVR_HAVE_RAMPD__): New built-in define.
2328 (__AVR_HAVE_RAMPX__): New built-in define.
2329 (__AVR_HAVE_RAMPY__): New built-in define.
2330 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2332 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2333 (avr_option_override): Initialize them.
2334 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2335 (avr_init_expanders): Initialize them. No more block several calls.
2336 (emit_push_sfr): New static function.
2337 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2339 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2340 (avr_print_operand): Print addreeses as symbols for
2341 RAMPX, RAMPY, RAMPD, CCP.
2342 (output_movhi): Handle AVR_XMEGA when writing to SP.
2343 (avr_out_movhi_mr_r_xmega): New static function.
2344 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2345 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2346 __RAMPD__, __CCP__ as needed.
2348 * config/avr/multilib.h: Regenerate.
2349 * config/avr/t-multilib: Regenerate.
2350 * config/avr/avr-tables.opt: Regenerate.
2352 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2354 PR tree-optimization/50561
2355 * graphite-flattening.c (lst_project_loop): Do not
2356 remove old scattering dimensions after flattening.
2357 (lst_do_flatten): Likewise.
2359 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2361 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2362 __builtin_avr_map8, __builtin_avr_map16.
2363 Document __builtin_avr_insert_bits.
2365 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2366 (insert_bits): New insn.
2367 (adjust_len.map_bits): Rename to insert_bits.
2368 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2369 * avr-protos.h (avr_out_map_bits): Remove.
2370 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2371 * config/avr/constraints.md (Cxf,C0f): New.
2372 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2373 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2374 New built-in define __BUILTIN_AVR_INSERT_BITS.
2375 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2376 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2377 (avr_move_bits): Rewrite.
2378 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2380 (avr_map_op_t): New typedef.
2381 (avr_map_op): New static variable.
2382 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2383 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2384 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2385 (bdesc_3arg, avr_expand_triop_builtin): New.
2386 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2387 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2388 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2389 (avr_map_equal_p, avr_map_sig_p): Remove.
2390 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2391 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2392 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2393 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2394 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2395 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2397 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2399 * config/c6x/c6x.md (reserve_cycles): New attribute.
2400 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2401 don't reserve functional units after the branch occurs.
2403 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2406 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2407 functions into non-tm_pure functions.
2409 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2412 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2413 (iterative_hash_canonical_type): Likewise.
2414 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2417 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2419 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2420 sched-group insn, it either remains alone or the entire list is pruned.
2422 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2424 * doc/install.texi (Prerequisites): Fix grammar.
2425 (Configuration): Likewise.
2427 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2429 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2430 MPC as part of GCC before describing configuring with --with-gmp etc.
2431 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2432 sources are present.
2434 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2437 * dwarf2out.c (clone_tree_hash): New function.
2438 (copy_decls_walk): Use it instead of clone_tree.
2440 2012-02-14 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/52244
2443 PR tree-optimization/51528
2444 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2445 replacements for integral types.
2447 2012-02-14 Walter Lee <walt@tilera.com>
2449 * config.gcc: Handle tilegx and tilepro.
2450 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2452 Add HAVE_AS_TLS check for tilegx and tilepro.
2453 * configure: Regenerate.
2454 * doc/contrib.texi: Add Mat Hostetter and self.
2455 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2456 Document instruction intrinsics and network accessing intrinsics.
2457 (TILEPro Built-in Functions): New node. Document instruction
2458 intrinsics and network accessing intrinsics.
2459 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2460 (Specific, tilepro-*-linux*): Likewise.
2461 * doc/invoke.texi (TILE-Gx Options): New section.
2462 (TILEPro Options): New section.
2463 * doc/md.texi (TILE-Gx): New section.
2464 (TILEPro): New section.
2465 * common/config/tilegx/tilegx-common.c: New file.
2466 * common/config/tilepro/tilepro-common.c: New file.
2467 * config/tilegx/constraints.md: New file.
2468 * config/tilegx/linux.h: New file.
2469 * config/tilegx/mul-tables.c: New file.
2470 * config/tilegx/predicates.md: New file.
2471 * config/tilegx/sync.md: New file.
2472 * config/tilegx/t-tilegx: New file.
2473 * config/tilegx/tilegx-builtins.h: New file.
2474 * config/tilegx/tilegx-c.c: New file.
2475 * config/tilegx/tilegx-generic.md: New file.
2476 * config/tilegx/tilegx-modes.def: New file.
2477 * config/tilegx/tilegx-multiply.h: New file.
2478 * config/tilegx/tilegx-protos.h: New file.
2479 * config/tilegx/tilegx.c: New file.
2480 * config/tilegx/tilegx.h: New file.
2481 * config/tilegx/tilegx.md: New file.
2482 * config/tilegx/tilegx.opt: New file.
2483 * config/tilepro/constraints.md: New file.
2484 * config/tilepro/gen-mul-tables.cc: New file.
2485 * config/tilepro/linux.h: New file.
2486 * config/tilepro/mul-tables.c: New file.
2487 * config/tilepro/predicates.md: New file.
2488 * config/tilepro/t-tilepro: New file.
2489 * config/tilepro/tilepro-builtins.h: New file.
2490 * config/tilepro/tilepro-c.c: New file.
2491 * config/tilepro/tilepro-generic.md: New file.
2492 * config/tilepro/tilepro-modes.def: New file.
2493 * config/tilepro/tilepro-multiply.h: New file.
2494 * config/tilepro/tilepro-protos.h: New file.
2495 * config/tilepro/tilepro.c: New file.
2496 * config/tilepro/tilepro.h: New file.
2497 * config/tilepro/tilepro.md: New file.
2498 * config/tilepro/tilepro.opt: New file.
2500 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2502 PR tree-optimization/52210
2503 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2504 vect_model_simple_cost with two entry vect_def_type array instead
2505 of an address of dt.
2507 2012-02-14 Richard Guenther <rguenther@suse.de>
2510 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2511 Do not stream DECL_QUALIFIER.
2512 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2513 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2514 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2516 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2519 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2522 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2525 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2526 * cselib.c (cselib_subst_to_values_from_insn): New function.
2527 * sched-deps.c (add_insn_mem_dependence,
2528 sched_analyze_1, sched_analyze_2): Use it.
2530 2012-02-13 Jan Hubicka <jh@suse.cz>
2533 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2535 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2537 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2538 (GTM_SELF_SPECS): Define if not already defined.
2539 (driver_self_specs): Add GTM_SELF_SPECS.
2540 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2541 (GTM_SELF_SPECS): Define.
2542 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2543 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2545 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2547 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2550 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2553 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2554 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2556 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2559 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2561 2012-02-13 Richard Guenther <rguenther@suse.de>
2563 PR translation/52211
2564 * passes.c (enable_disable_pass): Fix typo.
2566 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2569 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2570 XOR for reduce_bit_field if type is unsigned.
2572 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2574 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2575 disallow changes from SFmode to mode with different size in FP regs.
2577 2012-02-12 Robert Millan <rmh@gnu.org>
2578 Gerald Pfeifer <gerald@pfeifer.com>
2580 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2583 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2585 PR rtl-optimization/52175
2586 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2587 to frame-related instructions.
2589 2012-02-10 Jason Merrill <jason@redhat.com>
2592 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2593 (demangle_new_symbols): Fill it.
2594 (scan_linker_output): Walk it.
2595 (start_tweaking): Split out from scan_linker_output.
2596 (maybe_tweak): Update sym->chosen.
2597 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2599 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2602 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2604 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2606 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2607 having the same mode as previous compare.
2609 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2611 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2612 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2613 (nonlocal_goto_internal): Likewise.
2614 (nonlocal_goto): Emit a use and an indirect jump directly.
2616 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2619 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2620 __atomic_{is,always}_lock_free.
2622 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2625 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2626 negative constant address for x32.
2628 2012-02-10 Richard Henderson <rth@redhat.com>
2630 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2631 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2632 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2634 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2635 Ira Rosen <irar@il.ibm.com>
2637 PR tree-optimization/50031
2638 * targhooks.c (default_builtin_vectorization_cost): Handle
2640 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2641 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2642 all types of reduction and pattern statements.
2643 (vect_estimate_min_profitable_iters): Likewise.
2644 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2645 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2646 for explicit realigns.
2647 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2648 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2650 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2651 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2652 vec_perm for VSX and handle vec_promote_demote.
2654 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2657 * builtins.c (fold_builtin_atomic_always_lock_free,
2658 expand_builtin_atomic_always_lock_free,
2659 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2660 Return and/or test boolean_true_node/boolean_false_node instead of
2661 integer_one_node/integer_zero_node.
2663 2012-02-10 Jan Hubicka <jh@suse.cz>
2666 * predict.c (predict_paths_for_bb): Prevent looping.
2667 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2669 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2671 * config/arm/arm.c (output_move_double): In one case properly
2672 count number of instructions that will be emitted.
2674 2012-02-10 Richard Guenther <rguenther@suse.de>
2676 PR translation/52193
2677 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2679 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2682 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2684 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2687 * var-tracking.c (emit_note_insn_var_location): If
2688 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2689 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2690 non-NOTE_DURING_CALL_P insn.
2692 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2695 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2697 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2700 * gcc.c (switch_matches) Support switches with separated form,
2703 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2705 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2707 (RAMPZ_ADDR): Ditto.
2708 * config/avr/avr.c (avr_addr_t): New typedef.
2709 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2710 (avr_init_expanders): Initialize it.
2711 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2713 (expand_epilogue): Ditto.
2714 (avr_print_operand): Ditto.
2715 (avr_file_start): Ditto.
2716 (avr_emit_movmemhi): Ditto.
2718 2012-02-08 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/46886
2721 * tree-flow.h (do_while_loop_p): Declare.
2722 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2723 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2725 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2727 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2728 always succeed for integers larger than a native word.
2730 2012-02-08 Richard Guenther <rguenther@suse.de>
2732 PR rtl-optimization/52170
2733 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2734 properly handle integer vector modes.
2736 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2738 PR gcov-profile/52150
2739 * coverage.c: Include target.h.
2740 (build_var): Call targetm.strip_name_encoding on the assembler name.
2741 Change one _ into . or $ if the target allows it.
2742 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2744 PR rtl-optimization/52139
2745 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2746 is a BARRIER after emit_insn_after_noloc, move BB_END
2747 to the last non-BARRIER insn before it.
2749 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2752 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2753 (mips_gimplify_va_arg_expr): Call it instead of
2754 std_gimplify_va_arg_expr.
2756 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2758 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2759 message for -mno-pointers-to-nested-function.
2761 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2764 * expr.c (get_inner_reference): If there is an offset, add a negative
2765 bit position to it (if any).
2767 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2769 PR rtl-optimization/52060
2770 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2771 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2772 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2773 and/or i0src_copy2 when needed.
2775 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2777 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2778 or LTOPLUGINSONAME if have_c.
2780 * config/freebsd-spec.h: Add comment about what macros can be defined
2782 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2783 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2786 2012-02-07 Richard Guenther <rguenther@suse.de>
2788 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2789 newline in -alias dumps.
2791 2012-02-07 Kai Tietz <ktietz@redhat.com>
2792 Dave Korn <dave.korn.cygwin@gmail.com>
2795 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2796 Take care that typinfo gets dllexport-attribute.
2798 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2801 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2802 if modifier < EXPAND_SUM call force_operand on the result.
2804 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2806 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2807 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2809 (epiphany_function_type): Replace types for specific interrupts with
2810 EPIPHANY_FUNCTION_INTERRUPT.
2811 (EPIPHANY_INTERRUPT_P): Update.
2812 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2813 New static function.
2814 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2815 <disinterrupt>: Affects type identity.
2816 (epiphany_handle_interrupt_attribute): Handle variable number of
2818 (epiphany_compute_function_type): Update for new
2819 epiphany_function_type definition.
2820 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2821 handlers with a longcall forwarder.
2822 (epiphany_start_function): Handle multiple interrupt arguments and/or
2823 forwarder_section attribute.
2825 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2828 2012-02-07 Alan Modra <amodra@gmail.com>
2831 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2834 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2836 PR tree-optimization/50969
2837 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2838 use vec_perm rather than vector_stmt.
2839 (vect_model_load_cost): Likewise.
2840 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2841 vec_perm to be the same as other vector statements.
2842 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2843 cost of vec_perm for TARGET_VSX.
2845 2012-02-06 Richard Guenther <rguenther@suse.de>
2847 PR tree-optimization/52115
2848 * tree-sra.c (access_has_replacements_p): New function.
2849 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2851 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2854 * trans-mem.c (expand_call_tm): Add an assertion.
2855 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2858 2012-02-06 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/50955
2861 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2862 raise cost of expressions that replace an address with an
2863 expression based on a different pointer.
2865 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2868 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2869 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2871 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2874 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2875 -Weffc++ and specify guidelines come from second edition.
2877 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2879 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2880 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2881 (call_direct_split, call_value_split, call_value_internal_direct)
2882 (call_value_direct_split, call_value_multiple_split): Use jal and
2883 jal_macro attributes.
2885 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2887 * reload1.c (reload_regs_reach_end_p): Replace with...
2888 (reload_reg_rtx_reaches_end_p): ...this function.
2889 (new_spill_reg_store): Update commentary.
2890 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2891 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2892 before setting new_spill_reg_store.
2893 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2894 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2895 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2896 for non-spill reload registers.
2898 2012-02-05 Ira Rosen <irar@il.ibm.com>
2900 PR tree-optimization/52091
2901 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2902 (vect_is_simple_use_1): Likewise.
2903 * tree-vect-loop.c (vectorizable_reduction): Update calls
2904 to vect_is_simple_use_1 and vect_is_simple_use.
2905 (vectorizable_live_operation): Likewise.
2906 * tree-vect-patterns.c (widened_name_p,
2907 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2908 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2909 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2910 vectorizable_shift,vectorizable_operation, vectorizable_store,
2911 vectorizable_load): Likewise.
2912 (vect_is_simple_cond): Add an argument, pass it to
2913 vect_is_simple_use_1.
2914 (vectorizable_condition): Update calls to vect_is_simple_cond,
2916 (vect_is_simple_use): Add an argument, the statement in which
2917 OPERAND is used. Check that if OPERAND's def stmt is a double
2918 reduction phi node, the use is a phi node too.
2919 (vect_is_simple_use_1): Add an argument, pass it to
2921 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2922 to vect_is_simple_use.
2924 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2926 PR rtl-optimization/52095
2927 * modulo-sched.c (dump_insn_locator): New function.
2928 (loop_canon_p, sms_schedule): Use it.
2930 PR rtl-optimization/52113
2931 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2932 even for decomposable shift/zext insns.
2934 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2935 Zdenek Dvorak <ook@ucw.cz>
2937 PR rtl-optimization/52092
2938 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2939 on get_iv_value result.
2941 2012-02-02 Andrew Pinski <apinski@cavium.com>
2945 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2947 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2950 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2952 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2954 PR rtl-optimization/49800
2955 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2956 (sched_finish): Call regstat_free_n_sets_and_refs.
2958 2012-02-02 Jia Liu <proljc@gmail.com>
2960 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2963 2012-02-02 Jan Hubicka <jh@suse.cz>
2964 Tom de Vries <tom@codesourcery.com>
2967 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2968 * varpool.c (varpool_analyze_pending_decls): Likewise.
2970 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2971 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2973 * config.gcc: Add cr16-* support.
2975 * doc/extend.texi: Document cr16 extensions.
2976 * doc/install.texi: Document cr16 install.
2977 * doc/invoke.texi: Document cr16 options.
2978 * doc/md.texi: Document cr16 constraints.
2980 * common/config/cr16/cr16-common.c: New file.
2981 * config/cr16/cr16.c: New file.
2982 * config/cr16/cr16.h: New file.
2983 * config/cr16/cr16.md: New file.
2984 * config/cr16/cr16.opt: New file.
2985 * config/cr16/cr16-protos.h: New file.
2986 * config/cr16/predicates.md: New file.
2987 * config/cr16/constraints.md: New file.
2988 * config/cr16/t-cr16: New file.
2990 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2993 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2994 that operands[2] is either immediate, or q_regs_operand.
2996 PR tree-optimization/52073
2997 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2998 a pattern stmt for pattern uses, ignore uses outside of the loop.
3000 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3002 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3003 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3004 (OUT_AS1, OUT_AS2): Remove.
3006 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3008 PR rtl-optimization/51374
3009 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3010 to cross other volatile_refs_p insns.
3012 2012-02-01 Richard Guenther <rguenther@suse.de>
3014 * doc/invoke.texi (fno-inline): Clarify documentation.
3015 (finline-small-functions): Likewise.
3016 (finline-functions): Likewise.
3017 * common.opt (finline): Adjust comment and documentation.
3018 (finline-small-functions): Clarify documentation.
3019 (finline-functions): Likewise.
3020 (finline-functions-called-once): Likewise.
3022 2012-02-01 Tristan Gingold <gingold@adacore.com>
3024 * c-typeck.c (composite_type): Keep mode for pointers.
3026 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3028 * function.h (regno_reg_rtx): Adjust comment.
3029 * reginfo.c (init_reg_modes_target): Only use the previous mode
3030 if it fits within one register. Remove MIPS comment.
3032 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3035 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3037 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3039 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3040 to srak instruction.
3042 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3044 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3046 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3051 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3053 2012-01-31 Richard Guenther <rguenther@suse.de>
3055 PR tree-optimization/51528
3056 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3059 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3064 * ree.c (add_removable_extension): Change def_map argument
3065 to unsigned *, store in def_map 1 + offset into *insn_list vector
3066 instead of pointers into the vector.
3067 (find_removable_extensions): Adjust caller.
3069 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3071 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3072 Transform all "* quoted-c-code" to { c-code }.
3073 Remove redundant test for "optimize" in combine patterns.
3074 Move (include "avr-dimode.md") to end of file.
3076 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3079 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3080 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3082 2012-01-30 Richard Guenther <rguenther@suse.de>
3084 PR tree-optimization/52028
3085 * tree-loop-distribution.c (ldist_gen): Properly update
3088 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3091 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3092 set_cur_line_info_table if not emitting debug info.
3094 PR tree-optimization/52046
3095 * tree-vect-patterns.c (check_bool_pattern): Give up if
3096 a comparison could throw.
3099 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3101 2012-01-30 Richard Guenther <rguenther@suse.de>
3103 PR tree-optimization/52045
3104 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3105 SSA form if cfgcleanup did anything.
3107 2012-01-30 Richard Guenther <rguenther@suse.de>
3109 PR tree-optimization/52045
3110 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3111 before computing final todo.
3113 2012-01-30 Richard Guenther <rguenther@suse.de>
3115 PR tree-optimization/51528
3116 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3119 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3121 * df-problems.c (df_kill_notes): Check that the use refers
3122 to the note under examination.
3124 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3127 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3128 parameter and use short-lived pseudos.
3129 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3130 (sparc_expand_vector_init): Const-ify local variables and adjust
3131 calls to above functions.
3133 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3135 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3137 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3139 * doc/invoke.texi: Make usage of "compile time" and
3140 "run time"/"runtime" consistent throughout the file.
3142 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3144 * config/alpha/alpha.c (alpha_option_override): Default to
3145 full IEEE compliance mode for Go language.
3147 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3149 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3150 (LINK_SSP_SPEC): Define.
3152 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3155 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3158 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3160 * doc/invoke.texi: Correct hyphenation of "floating point",
3161 "double precision", and related terminology throughout the file.
3163 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3166 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3167 arm_general_register_operand predicate for operand 2 instead of
3170 2012-01-27 Ian Lance Taylor <iant@google.com>
3173 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3174 * builtins.c (expand_builtin_init_trampoline): Add onstack
3175 parameter. Change caller.
3176 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3177 * tree.c (build_common_builtin_nodes): Declare
3178 __builtin_init_heap_trampoline.
3180 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3182 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3183 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3184 * config/avr/avr.c: Ditto.
3185 (avr_regnames): Remove because unused.
3186 * config/avr/avr.md (*cpse.ne): New peephole.
3187 (*cpse.eq): New peephole from former cpse peepholes.
3189 2012-01-27 Michael Eager <eager@eagercon.com>
3191 * config/microblaze.c (microblaze_emit_compare): Correct
3192 test after pcmp instruction.
3194 2012-01-27 Richard Guenther <rguenther@suse.de>
3196 PR tree-optimization/52020
3197 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3199 2012-01-27 Richard Guenther <rguenther@suse.de>
3201 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3202 function non-const/pure.
3204 2012-01-27 Richard Guenther <rguenther@suse.de>
3206 PR tree-optimization/50444
3207 * tree-sra.c (build_ref_for_offset): Properly adjust the
3208 MEM_REF type for unaligned accesses.
3210 2012-01-27 Richard Guenther <rguenther@suse.de>
3212 PR tree-optimization/50444
3213 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3214 (expand_assignment): Use it. Properly handle misaligned
3215 bases when expanding stores to component references.
3216 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3219 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3222 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3223 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3224 * tree-data-ref.c (find_data_references_in_loop): Make static.
3225 (compute_all_dependences): Change return type to bool. Bail out
3226 for too many datarefs in a loop. Move the hunk resetting the data
3227 dependences vector from ...
3228 (compute_data_dependences_for_loop): ... here. Account for
3229 compute_all_dependences returning false.
3230 (compute_data_dependences_for_bb): Likewise.
3231 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3232 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3234 2012-01-27 Richard Guenther <rguenther@suse.de>
3237 * expr.c (store_field): Use the alias-set of the scratch memory
3240 2012-01-27 Tom de Vries <tom@codesourcery.com>
3242 PR tree-optimization/51990
3243 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3245 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3247 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3250 * var-tracking.c (reverse_op): Don't add any reverse operation
3251 if V already has any constant locations.
3253 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3255 * doc/invoke.texi: Correct usage of "command line" (noun)
3256 vs "command-line" (adjective) throughout.
3258 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3260 * doc/invoke.texi (Language Independent Options): Move
3261 -Wcoverage-mismatch blurb from here....
3262 (Warning Options): ...to here.
3264 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3266 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3267 Set rs6000_always_hint to false for 476.
3269 2012-01-27 Matthias Klose <doko@ubuntu.com>
3271 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3273 * incpath.c (add_standard_paths): Likewise.
3275 2012-01-27 Richard Henderson <rth@redhat.com>
3277 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3278 * config/m68k/sync.md (atomic_test_and_set): Rename from
3279 sync_test_and_setqi and adjust the operands.
3280 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3281 and unconditionally enable.
3283 2012-01-27 Richard Henderson <rth@redhat.com>
3285 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3286 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3287 (ldstub): Rename from ldstubqi.
3288 (ldstub<I24MODE>): Remove.
3290 2012-01-27 Richard Henderson <rth@redhat.com>
3292 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3293 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3294 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3295 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3296 * doc/tm.texi: Rebuild.
3298 2012-01-27 Richard Henderson <rth@redhat.com>
3300 * optabs.c (gen_atomic_test_and_set): Remove default.
3301 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3303 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3305 PR rtl-optimization/51978
3306 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3307 (combine_reaching_defs): Likewise.
3308 (struct re_info): Remove.
3309 (add_removable_extension): Remove x and data arguments,
3310 add insn, insn_list and def_map. Use the arguments directly
3311 instead of using struct re_info.
3312 (find_removable_extensions): Don't call add_removable_extension
3313 through note_stores, instead just call it with single_set
3315 (find_and_remove_re): Pass curr_cand->expr instead of
3316 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3318 2012-01-26 Michael Matz <matz@suse.de>
3320 PR tree-optimization/46590
3321 * cfgexpand.c: Revert last change (r183305).
3322 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3324 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3325 checking for emptiness.
3327 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3330 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3331 non-addressable non-BLKmode base correctly.
3333 2012-01-26 Michael Matz <matz@suse.de>
3335 PR tree-optimization/48794
3336 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3337 regions referenced from RESX/EH_DISPATCH.
3339 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3341 * config/s390/s390.h: Make BRANCH_COST an option.
3342 * config/s390/s390.opt: New option -mbranch-cost.
3344 2012-01-26 Richard Henderson <rth@redhat.com>
3346 Revert 2012-01-24 change:
3347 * trans-mem.c (requires_barrier): Do not instrument thread local
3348 variables and emit save/restore for them.
3350 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3353 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3356 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3358 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3361 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3364 Rename __pgm to __flash.
3365 Rename __pgm1 to __flash1.
3366 Rename __pgm2 to __flash2.
3367 Rename __pgm3 to __flash3.
3368 Rename __pgm4 to __flash4.
3369 Rename __pgm5 to __flash5.
3370 Rename __pgmx to __memx.
3371 * doc/extend.texi (AVR Named Address Spaces)
3372 Rename address space names as indicated above.
3373 * config/avr/avr.c (avr_addrspace): Ditto.
3375 * config/avr/avr-protos.h
3376 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3377 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3378 * config/avr/predicates.md: Ditto.
3379 * config/avr/avr.c Ditto, and
3380 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3381 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3383 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3384 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3385 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3386 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3387 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3388 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3389 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3390 * config/avr/avr.c: Ditto.
3391 * config/avr/avr.md: Ditto.
3393 2012-01-25 Jason Merrill <jason@redhat.com>
3396 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3398 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3400 PR tree-optimization/51987
3401 * tree-data-ref.c (get_references_in_stmt): Handle references in
3402 non-volatile GIMPLE_ASM.
3404 2012-01-25 Richard Guenther <rguenther@suse.de>
3406 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3407 bases are dereferenced.
3409 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3411 PR rtl-optimization/48374
3412 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3414 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3416 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3417 compute_data_dependences_for_loop returns false.
3418 * tree-parloops.c (loop_parallel_p): Likewise.
3420 2012-01-25 Richard Guenther <rguenther@suse.de>
3422 * tree.h (get_pointer_alignment_1): Declare.
3423 * builtins.c (get_pointer_alignment_1): New function.
3424 (get_pointer_alignment): Use it.
3426 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3428 PR rtl-optimization/48308
3429 * combine.c (enum undo_kind): Add UNDO_LINKS.
3430 (struct undo): Add member l to other_contents and where.
3431 (do_SUBST_LINK): New.
3433 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3434 (undo_all): Handle UNDO_LINKS.
3436 2012-01-25 Richard Henderson <rth@redhat.com>
3438 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3441 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3443 * optabs.c (gen_atomic_test_and_set): Use each argument.
3445 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3447 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3448 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3449 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3450 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3451 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3452 TARGET_PAIRED_SINGLE_FLOAT.
3454 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3456 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3457 (in_struct, return_val): Remove MEM documentation.
3458 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3459 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3460 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3462 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3463 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3464 * expr.c (store_field): Likewise.
3465 * function.c (assign_stack_temp_for_type): Likewise.
3466 * ifcvt.c (noce_try_cmove_arith): Likewise.
3467 * reload1.c (reload): Likewise.
3468 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3469 (alpha_set_memflags): Likewise.
3470 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3472 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3474 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3476 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3477 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3478 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3480 * cselib.c (cselib_rtx_varies_p): Delete.
3481 (cselib_invalidate_mem): Update call to canon_true_dependence.
3482 * dse.c (record_store, check_mem_read_rtx): Likewise.
3483 (scan_reads_nospill): Likewise.
3484 * cse.c (check_dependence): Likewise.
3485 (cse_rtx_varies_p): Delete.
3486 * expr.c (safe_from_p): Update call to true_dependence.
3487 * ira.c (validate_equiv_mem_from_store): Likewise.
3488 (memref_referenced_p): Likewise.
3489 * postreload-gcse.c (find_mem_conflicts): Likewise.
3490 * sched-deps.c (sched_analyze_2): Likewise.
3491 * store-motion.c (load_kills_store): Likewise.
3492 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3493 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3494 (compute_transp): Update call to canon_true_dependence.
3496 2012-01-25 Richard Henderson <rth@redhat.com>
3498 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3499 (maybe_emit_atomic_test_and_set): New.
3500 (expand_sync_lock_test_and_set): Use it.
3501 (expand_atomic_test_and_set): Likewise.
3502 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3503 the implementation; clarify implementation defined details.
3504 * doc/md.texi (atomic_test_and_set): Document.
3506 2012-01-25 Richard Henderson <rth@redhat.com>
3508 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3510 2012-01-25 Richard Henderson <rth@redhat.com>
3513 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3514 to effect no-op split.
3516 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3519 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3520 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3521 (BT_FN_VOID_PTR_INT_SIZE): New.
3522 (BT_FN_UINT_UINT_VAR): Remove.
3523 (BT_FN_UINT32_UINT32_VAR): New.
3524 (BT_FN_DOUBLE_VPTR): Remove.
3525 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3527 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3528 (_ITM_changeTransactionMode): Same.
3529 (_ITM_memmoveRtWt): Change return type to void.
3530 (_ITM_memcpyRtWt): Same.
3531 (_ITM_memsetW): Same.
3532 (_ITM_RaRD): Change types to double.
3537 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3539 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3540 Patrick Marlier <patrick.marlier@gmail.com>
3542 * trans-mem.c (requires_barrier): Do not instrument thread local
3543 variables and emit save/restore for them.
3545 2012-01-24 Jason Merrill <jason@redhat.com>
3548 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3549 output static aliases.
3551 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3554 * common.opt (-pie, -shared, pie, shared): Change from Common to
3556 * gcc.c (display_help): Display help for -pie and -shared.
3558 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3561 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3562 Remove note on size/offset limitation.
3563 (AVR Variable Attributes): Add example how to read data located
3564 with progmem. Refer to named address spaces.
3565 * doc/invoke.texi (AVR Options): Fix typo.
3567 2012-01-24 Richard Guenther <rguenther@suse.de>
3569 Forward-port to trunk
3570 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3573 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3574 op0 isn't sufficiently aligned and there is movmisalignM
3575 insn for mode, use it to load op0 into a temporary register.
3577 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3580 * target.def (const_not_ok_for_debug_p): New hook.
3581 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3583 * doc/tm.texi: Regenerated.
3584 * dwarf2out.c (const_ok_for_output_1): If
3585 targetm.const_not_ok_for_debug_p returns true, fail.
3586 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3588 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3590 2012-01-23 Kai Tietz <ktietz@redhat.com>
3593 * config/i386/predicates.md (symbolic_operand): Allow
3594 UNSPEC_PCREL as PIC expression for lea.
3595 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3596 * config/i386/i386.c (ix86_delegitimize_address): Handle
3597 UNSPEC_PCREL for none-MEM, too.
3599 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3601 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3602 (ipa_tm_create_version_alias): Same.
3604 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3607 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3608 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3610 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3611 Patrick Marlier <patrick.marlier@gmail.com>
3612 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3615 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3616 simple_object_start_read.
3618 2012-01-23 Richard Guenther <rguenther@suse.de>
3621 PR tree-optimization/51895
3622 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3623 parameter decomposition into BLKmode components.
3625 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3627 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3628 fake variables for restrict-qualified pointers whose pointed-to type
3629 contains a placeholder.
3631 2012-01-23 Richard Guenther <rguenther@suse.de>
3633 PR tree-optimization/51949
3634 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3636 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3638 PR rtl-optimization/51933
3639 * ree.c (transform_ifelse): Return true right away if dstreg is
3640 already wider or equal to cand->mode.
3641 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3642 (make_defs_and_copies_lists): Remove defs_list and copies_list
3643 arguments, add state argument, just truncate state->work_list
3644 instead of always allocating and freeing the vector. Assert that
3645 get_defs succeeds instead of returning 2. Changed return type to bool.
3646 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3647 have ext_src_mode, see if it has been modified already with the
3648 right kind of extension and has been extended before from the
3649 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3650 just return true. Remember the original mode in state->modified array.
3651 (combine_reaching_defs): Add state argument. Don't allocate and
3652 free here def_list, copied_list and vec vectors, instead just
3653 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3654 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3655 Add state variable, clear vectors in it, initialize state.modified
3656 if needed. Free all the vectors at the end and state.modified too.
3657 Don't skip a candidate if the extension expression has been modified.
3659 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3662 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3663 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3664 (extra_options) interix.opt -> i386/interix.opt"
3665 (extra_objs):Add winnt-stubs.o
3666 * configure.ac: Add interix to target_os .comm on PE check.
3667 * configure: Regenerate.
3668 * config/interix3.h: Delete and move bits to..
3669 * config/interix.h: Delete and move bits to..
3670 * config/i386/i386-interix3.h: Delete and move bits to..
3671 * config/i386/i386-interix.h: ..here.
3672 (TARGET_CPU_DEFAULT): Remove redefinition.
3673 (TARGET_ASM_CONSTRUCTOR): Undefine.
3674 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3675 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3676 (PTRDIFF_TYPE): Define.
3677 (LONG_DOUBLE_TYPE_SIZE): Define.
3678 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3679 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3680 (TARGET_SECTION_TYPE_FLAGS): Define.
3681 (ASM_DECLARE_FUNCTION_NAME): Define.
3682 (ASM_OUTPUT_EXTERNAL): Define.
3683 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3684 (ASM_OUTPUT_ALIGNED_BSS): Define.
3685 (PCC_BITFIELD_TYPE_MATTERS): Define.
3686 (USE_CONST_SECTION): Define.
3687 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3688 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3689 (SUPPORTS_ONE_ONLY): Remove.
3690 (I386_PE_STRIP_ENCODING): Define.
3691 * config/interix.opt: Delete and move bits to..
3692 * config/i386/interix.opt: ..here. New.
3693 (mpe-aligned-commons): Add.
3694 * config/i386/t-interix: Add copyright header.
3695 (winnt-stubs.o): Add rule.
3697 2012-01-22 Jason Merrill <jason@redhat.com>
3700 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3701 for extra name aliases.
3703 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3705 PR rtl-optimization/51924
3706 * ree.c (combine_set_extension): Improve debugging message.
3707 (combine_reaching_defs): Likewise.
3708 (get_defs): Rename confusingly named variable.
3709 (find_and_remove_re): Skip a candidate if the extension expression has
3712 2012-01-21 Robert Millan <rmh@gnu.org>
3713 Gerald Pfeifer <gerald@pfeifer.com>
3715 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3716 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3718 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3720 PR tree-optimization/51914
3721 * tree-vect-stmts.c (vectorizable_conversion): For
3722 cvt_type && modifier == WIDEN, put temporary with cvt_type
3723 at the beginning of vec_dsts and set vec_dest to temporary
3726 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3728 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3730 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3732 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3733 * config/rs6000/rs6000.c: Likewise.
3735 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3738 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3739 output_move_double on a copy of operands array.
3741 2012-01-20 Cary Coutant <ccoutant@google.com>
3742 Dodji Seketeli <dodji@redhat.com>
3745 * dwarf2out.c (copy_declaration_context): Return ref to parent
3746 of declaration DIE, if necessary.
3747 (remove_child_or_replace_with_skeleton): Add new parameter; update
3748 caller. Place skeleton DIE under parent DIE of original declaration.
3749 Move call to copy_declaration_context to here ...
3750 (break_out_comdat_types): ... from here.
3752 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3754 PR rtl-optimization/51856
3755 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3758 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3761 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3762 hints for neon loads and stores.
3764 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3768 * doc/extend.texi (Named Address Spaces): Split into subsections.
3769 (AVR Named Address Spaces): New subsection.
3770 (M32C Named Address Spaces): New subsection.
3771 (RL78 Named Address Spaces): New subsection.
3772 (SPU Named Address Spaces): New subsection.
3773 (Variable Attributes): New anchor "AVR Variable Attributes".
3774 (AVR Variable Attributes): Rewrite and avoid wording
3775 "address space" in this context.
3776 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3777 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3778 (AVR Built-in Macros): New subsubsection therein.
3779 * doc/md.texi (AVR constraints): Remove "C04", "R".
3781 2012-01-20 Richard Guenther <rguenther@suse.de>
3783 PR tree-optimization/51903
3784 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3785 when removing stmts.
3787 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3790 * config/arm/arm.c (arm_load_pic_register): Use
3791 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3792 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3793 (arm_pic_static_addr): Likewise.
3794 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3795 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3796 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3797 (pic_load_addr_unified): New.
3799 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3802 * function.c (instantiate_virtual_regs_in_insn): Use
3803 delete_insn_and_edges when removing a wrong asm insn.
3805 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3807 PR rtl-optimization/40761
3808 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3809 Add new member loop_num.
3810 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3811 (ira_build): Remove the parameter.
3813 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3814 (ira.c): Do not build CFG loops for one region allocation. Remove
3815 argument from ira_build call.
3817 * ira-build.c (init_loop_tree_node): New function.
3818 (create_loop_tree_nodes): Use it. Separate the case when CFG
3819 loops are not built.
3820 (more_one_region_p): Check current_loops.
3821 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3823 (add_loop_to_tree): Process loop equal to NULL too.
3824 (form_loop_tree): Separate the case when CFG loops are not built.
3825 Use explicitly number for the root.
3826 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3828 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3829 instead of loop->num.
3830 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3831 (mark_all_loops_for_removal): Ditto.
3832 (remove_unnecessary_regions): Separate the case when CFG loops
3834 (ira_build): Remove the parameter. Use explicit number of regions
3835 when CFG loops are not built.
3837 * ira-color.c (print_loop_title): Separate the case for the root node.
3838 Use loop_num instead of loop->num.
3839 (move_spill_restore): Use loop_num instead of loop->num.
3841 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3842 (change_loop): Ditto.
3843 (change_loop): Use loop_num instead of loop->num.
3845 * ira-lives.c (process_bb_node_lives): Ditto.
3847 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3849 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3851 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3854 * tree-mudflap.c (mf_artificial): New function.
3855 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3856 mx_register_decls, mudflap_enqueue_decl): Use it.
3859 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3860 numbers in the insn pattern.
3862 2012-01-19 Michael Matz <matz@suse.de>
3864 PR tree-optimization/46590
3865 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3866 use it in remembering which conflicts we already created.
3867 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3870 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3873 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3874 (merge_and_complain): Same.
3876 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3879 * config/initfini-array.h: Guard content of the header
3880 with #ifdef HAVE_INITFINI_ARRAY.
3881 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3882 Add initfini-array.h to tm_file here.
3883 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3884 * config.gcc: Don't add initfini-array.h to tm_file here.
3885 * configure: Regenerated.
3887 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3889 PR rtl-optimization/51505
3890 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3891 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3892 (df_note_bb_compute): Update the call to df_kill_notes.
3894 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3896 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3898 2012-01-18 Richard Guenther <rguenther@suse.de>
3900 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3901 of conversions to void *.
3903 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3904 Richard Sandiford <rdsandiford@googlemail.com>
3908 * optabs.h (simplify_expand_binop): Declare.
3909 * optabs.c (simplify_expand_binop): Make global.
3910 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3911 endian targets if the source cannot be exactly covered by word
3914 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3917 * hard-reg-set.h (struct hard_reg_set_container): New type.
3918 * target.h (struct hard_reg_set_container): Forward declare.
3919 * target.def (set_up_by_prologue): New target hook.
3920 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3921 * doc/tm.texi: Regenerated.
3922 * function.c (thread_prologue_and_epilogue_insns): Change
3923 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3924 Call targetm.set_up_by_prologue on it.
3925 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3926 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3928 2012-01-17 Nick Clifton <nickc@redhat.com>
3930 * config/rx/rx.c (rx_can_use_simple_return): New function.
3931 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3932 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3934 2012-01-17 Richard Guenther <rguenther@suse.de>
3937 * expr.c (expand_assignment): Take address-space information
3938 from the address operand of MEM_REF and TARGET_MEM_REF.
3939 (expand_expr_real_1): Likewise.
3941 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3943 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3944 reload dump is requested.
3946 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3949 * trans-mem.c (requires_barrier): Call may_be_aliased.
3951 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3953 PR tree-optimization/51877
3954 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3955 call arguments and fndecls compare equal, instead return false if they
3956 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3957 both SSA_NAMEs that are valueized the same, or they satisfy
3960 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3962 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3964 * configure: Regenerate.
3966 2012-01-16 Jan Hubicka <jh@suse.cz>
3970 * convert.c (convert_to_integer): Use fold_convert for
3971 converting an INTEGER_CST to integer type.
3973 2012-01-16 Jason Merrill <jason@redhat.com>
3976 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3978 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3981 * config/s390/s390.c (s390_chunkify_start): Don't skip
3982 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3983 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3984 If insn is followed by NOTE_INSN_VAR_LOCATION or
3985 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3986 Don't use location of note insns.
3988 PR tree-optimization/51865
3989 * tree-inline.c (tree_function_versioning): Call remap_decl
3990 on DECL_RESULT whenever it has VOID_TYPE_P type.
3992 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3994 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3995 for calls to locally-binding MIPS16 functions if only the return
3996 type uses float regs.
3998 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3999 Richard Sandiford <rdsandiford@googlemail.com>
4001 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4002 (SYMBOL_32_HIGH): Likewise.
4003 (mips_output_tls_reloc_directive): Declare.
4004 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4005 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4006 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4007 (mips_lo_relocs, mips_hi_relocs): Make extern.
4008 (mips16_stub_function): Move up file.
4009 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4010 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4011 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4012 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4013 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4014 (mips_get_tp): Add MIPS16 support.
4015 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4016 Generalize DTPREL and TPREL handling.
4017 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4018 Add MIPS16 TLS support.
4019 (mips_output_tls_reloc_directive): New function.
4020 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4021 * config/mips/predicates.md (symbolic_operand_with_high)
4022 (tls_reloc_operand): New predicates.
4023 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4024 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4025 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4026 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4027 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4028 (*tls_get_tp_mips16_call_<mode>): Likewise.
4030 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4032 PR rtl-optimization/51821
4033 * recog.c (peep2_find_free_register): Determine clobbered registers
4036 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4039 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4040 * config/avr/avr.c: Likewise.
4041 * config/avr/avr.h: Likewise.
4043 2012-01-13 Ian Lance Taylor <iant@google.com>
4046 * tree.h (TYPE_QUALS): Add cast to int.
4047 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4049 2012-01-13 Ian Lance Taylor <iant@google.com>
4051 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4052 comparing param_index to VEC_length result.
4054 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4056 * c-decl.c: Do not include tree-mudflap.h
4057 * tree-optimize.c: Likewise.
4058 * Makefile.in: Update dependencies.
4060 2012-01-13 Richard Guenther <rguenther@suse.de>
4063 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4064 variable-sized result always use RSO.
4066 2012-01-12 DJ Delorie <dj@redhat.com>
4068 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4069 pointer type, not just the default pointer type.
4071 2012-01-09 Richard Henderson <rth@redhat.com>
4072 Denis Chertykov <chertykov@gmail.com>
4075 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4076 * config/avr/avr.c (avr_can_eliminate): Simplify.
4077 (avr_initial_elimination_offset): Likewise.
4078 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4079 (expand_epilogue): Likewise.
4080 (avr_legitimize_address): Gut.
4081 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4082 (avr_hard_regno_nregs): New.
4083 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4084 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4085 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4086 add soft frame pointer.
4087 (CALL_USED_REGISTERS): Likewise.
4088 (REG_CLASS_CONTENTS): Likewise.
4089 (REGISTER_NAMES): Likewise.
4090 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4091 (HARD_FRAME_POINTER_REGNUM): New.
4092 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4093 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4094 remove the HARD_FRAME_POINTER self-elimination.
4096 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4099 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4100 DECL_EXTERNAL when checking for initializers of progmem variables.
4102 2012-01-12 Ira Rosen <irar@il.ibm.com>
4104 PR tree-optimization/51799
4105 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4106 that the last operation is a type demotion.
4108 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4110 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4111 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4113 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4116 * combine.c (distribute_notes): If i3 is a noreturn call,
4117 allow old_size to be equal to args_size and make sure the
4118 noreturn call gets REG_ARGS_SIZE note.
4119 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4120 on noreturn calls even when the delta is 0.
4122 2012-01-11 Nathan Sidwell <nathan@acm.org>
4124 * gcov.c (STRING_SIZE): Remove.
4125 (generate_results): Erase annotations for source files with no
4126 coverage information.
4128 (output_lines): Use it.
4130 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4132 * gimple.h (gimplify_body): Remove first argument.
4133 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4134 pointer set here, instead just pass DATA to walk_tree.
4135 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4136 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4137 (unvisit_body): Likewise, but with unmark_visited.
4138 (gimplify_body): Remove BODY_P argument and adjust.
4139 (gimplify_function_tree): Adjust call to gimplify_body.
4140 * omp-low.c (finalize_task_copyfn): Likewise.
4142 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4144 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4145 (build_function_type_skip_args): Delete.
4146 * tree.c (build_function_type_skip_args): Make static and add
4147 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4148 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4149 pass it to build_function_type_skip_args.
4150 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4151 (tree_function_versioning): Likewise.
4152 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4153 build_function_decl_skip_args.
4154 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4155 and pass it to build_function_decl_skip_args/tree_function_versioning.
4156 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4157 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4158 * trans-mem.c (ipa_tm_create_version): Likewise.
4159 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4160 * tree-inline.c (declare_return_variable): Remove always-true test.
4161 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4162 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4163 * ipa-split.c (split_function): Skip the return value for the split
4164 part if it doesn't return.
4166 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4168 PR tree-optimization/49642
4169 * ipa-split.c (forbidden_dominators): New variable.
4170 (check_forbidden_calls): New function.
4171 (dominated_by_forbidden): Likewise.
4172 (consider_split): Check for forbidden dominators.
4173 (execute_split_functions): Initialize and free forbidden
4174 dominators info; call check_forbidden_calls.
4176 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4178 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4180 2012-01-11 Nick Clifton <nickc@redhat.com>
4182 * config/rx/rx.md (return): Define pattern.
4184 2012-01-11 Richard Guenther <rguenther@suse.de>
4186 * doc/extend.texi (malloc attribute): Adjust according to
4189 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4190 Patrick Marlier <patrick.marlier@gmail.com>
4193 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4194 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4195 (ipa_tm_note_irrevocable): Same.
4196 (ipa_tm_scan_irr_block): Same.
4197 (ipa_tm_decrement_clone_counts): Same.
4198 (ipa_tm_scan_irr_function): Same.
4199 (ipa_tm_create_version_alias): Same.
4200 (ipa_tm_create_version): Same.
4201 (ipa_tm_transform_calls_redirect): Same.
4202 (ipa_tm_transform_calls): Same.
4203 (ipa_tm_transform_transaction): Same.
4204 (ipa_tm_execute): Same.
4206 2012-01-10 Richard Guenther <rguenther@suse.de>
4209 * opts.c (common_handle_option): Handle -Werror.
4211 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4213 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4216 2012-01-10 Jason Merrill <jason@redhat.com>
4218 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4221 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4223 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4224 supports R_386_TLS_GD_PLT reloc.
4225 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4226 supports R_386_TLS_LDM_PLT reloc.
4227 * configure: Regenerate.
4228 * config.in: Regenerate.
4230 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4233 Extend __pgmx semantics to linearize memory.
4234 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4235 determine if code comes inline or from libgcc.
4236 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4237 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4238 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4239 (movmemx_qi, movmemx_hi): New insns.
4240 (xload_<mode>_libgcc): Rewrite to new insn condition.
4241 (xload_<mode>): Remove insns.
4242 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4243 cases that don't satisfy avr_xload_libgcc_p().
4244 (avr_addr_space_convert): Allow converting in any direction.
4245 (avr_addr_space_subset_p): Return always true.
4246 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4247 (avr_emit_movmemhi): Ditto.
4248 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4249 (avr_out_movmem): Ditto.
4250 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4251 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4252 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4253 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4254 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4256 2012-01-10 Richard Guenther <rguenther@suse.de>
4258 PR tree-optimization/50913
4259 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4260 Require data-refs to be representable by Graphite with respect
4263 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4265 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4266 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4268 2012-01-10 Tom de Vries <tom@codesourcery.com>
4270 PR rtl-optimization/51271
4271 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4272 handling annulled branch.
4274 2012-01-10 Richard Henderson <rth@redhat.com>
4276 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4277 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4278 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4279 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4280 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4281 arm_expand_vec_perm_const): New.
4282 * config/arm/arm-protos.h: Update.
4283 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4284 (*neon_vswp<VDQX>): New.
4285 (neon_vcombine<VDX>): Use neon_split_vcombine.
4286 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4287 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4288 (vec_perm<VE>): New.
4290 2012-01-10 Richard Henderson <rth@redhat.com>
4292 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4293 use it if reload_completed.
4294 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4295 arm_output_asm_insn, arm_process_output_memory_barrier,
4296 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4297 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4298 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4299 arm_process_output_sync_insn, arm_output_sync_insn,
4300 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4301 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4302 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4303 (emit_unlikely_jump): New.
4304 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4305 (arm_split_atomic_op): New.
4306 * config/arm/arm-protos.h: Update.
4307 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4308 (struct arm_sync_generator): Remove.
4309 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4310 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4311 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4312 (VUNSPEC_LL, VUNSPEC_SC): New.
4313 (sync_result, sync_memory, sync_required_value, sync_new_value,
4314 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4315 (attr length): Don't use arm_sync_loop_insns.
4316 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4317 (movsfcc, movdfcc): Likewise.
4318 * config/arm/constraints.md (Ua): New.
4319 * config/arm/prediates.md (mem_noofs_operand): New.
4320 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4321 (sync_clobber, sync_t2_reqd): Remove.
4322 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4323 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4324 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4325 (arm_sync_compare_and_swap<SIDI>): Remove.
4326 (arm_sync_compare_and_swap<NARROW>): Remove.
4327 (arm_sync_lock_test_and_set<SIDI>): Remove.
4328 (arm_sync_lock_test_and_set<NARROW>): Remove.
4329 (arm_sync_new_<syncop><SIDI>): Remove.
4330 (arm_sync_new_<syncop><NARROW>): Remove.
4331 (arm_sync_new_nand<SIDI>): Remove.
4332 (arm_sync_new_nand<NARROW>): Remove.
4333 (arm_sync_old_<syncop><SIDI>): Remove.
4334 (arm_sync_old_<syncop><NARROW>): Remove.
4335 (arm_sync_old_nand<SIDI>): Remove.
4336 (arm_sync_old_nand<NARROW>): Remove.
4337 (*memory_barrier): Merge arm_output_memory_barrier.
4338 (atomic_compare_and_swap<QHSD>): New.
4339 (atomic_compare_and_swap<NARROW>_1): New.
4340 (atomic_compare_and_swap<SIDI>_1): New.
4341 (atomic_exchange<QHSD>): New.
4342 (cas_cmp_operand, cas_cmp_str): New.
4343 (atomic_op_operand, atomic_op_str): New.
4344 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4345 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4346 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4347 (arm_load_exclusive<NARROW>): New.
4348 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4349 (arm_store_exclusive<QHSD>): New.
4351 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4353 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4354 reload patterns if -mvsx-scalar-memory.
4356 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4357 generated, even -mno-vsx-scalar-double was used.
4358 (vsx_xscvdpsp_scalar): Likewise.
4359 (vsx_xscvspdp_scalar2): Likewise.
4361 2012-01-09 Tom de Vries <tom@codesourcery.com>
4362 Andrew Pinski <apinski@cavium.com>
4365 * reorg.c (fill_slots_from_thread): Don't speculate
4366 frame-related insns.
4368 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4370 * sched-int.h (bb_note): Move to...
4371 * basic-block.h: ...here.
4372 * haifa-sched.c (bb_note): Move to...
4373 * cfgrtl.c: ...here.
4374 * function.c (next_block_for_reg): New function.
4375 (move_insn_for_shrink_wrap): Likewise.
4376 (prepare_shrink_wrap): Rewrite to use the above.
4378 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4380 * gimple.c (is_gimple_non_addressable): Remove.
4381 * gimple.h: Remove is_gimple_non_addressable.
4382 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4383 is_gimple_non_addressable.
4384 * trans-mem.c (expand_assign_tm): Same.
4386 2012-01-09 Richard Guenther <rguenther@suse.de>
4388 PR tree-optimization/51775
4389 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4390 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4392 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4394 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4396 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4398 2012-01-09 Richard Guenther <rguenther@suse.de>
4400 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4402 2012-01-08 Jan Hubicka <jh@suse.cz>
4404 PR tree-optimize/51680
4405 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4406 on when known_vals needs to be computed; cleanup.
4408 2012-01-08 Jan Hubicka <jh@suse.cz>
4410 PR tree-optimize/51694
4411 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4413 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4415 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4416 for -std=c++98 and -std=c++11 too.
4418 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4420 * cfgloop.c (cancel_loop): Add free() of bbs array.
4422 2012-01-07 Jan Hubicka <jh@suse.cz>
4424 PR tree-optimization/51600
4425 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4426 that benefits small functions.
4428 2012-01-07 Jan Hubicka <jh@suse.cz>
4430 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4432 2012-01-07 Jan Hubicka <jh@suse.cz>
4434 PR tree-optimization/51680
4435 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4436 whose inlining reduce unit size.
4438 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4441 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4442 Add canonical node to containing_mem chain after the non-canonical
4443 one, even if there weren't any locs to propagate.
4444 (remove_useless_values): Keep only canonical values.
4445 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4446 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4447 canonicalize mem_chain elements that are not discarded.
4449 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4452 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4453 before emitting functions.
4455 PR gcov-profile/50127
4456 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4457 clear_aux_for_blocks.
4459 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4462 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4464 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4466 * c-decl.c (ext_block): Moved up.
4467 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4469 2012-01-06 Han Shen <shenhan@google.com>
4471 Translate built-in include paths for sysroot.
4472 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4473 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4475 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4476 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4478 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4479 control whether sysroot should be prepended to gxx include dir.
4481 * configure: Regenerate.
4483 2012-01-06 Torvald Riegel <triegel@redhat.com>
4485 PR rtl-optimization/51771
4486 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4487 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4489 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4491 PR tree-optimization/51315
4492 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4493 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4495 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4498 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4499 for shrp pattern. Correctly handle and fixup shift variable.
4500 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4502 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4505 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4506 note when !ACCUMULATE_OUTGOING_ARGS.
4508 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4510 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4512 (extract_range_from_unary_expr_1): Avoid useless computations.
4514 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4516 PR rtl-optimization/51767
4517 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4518 of jump_block and add an extra edge for degenerated asm gotos.
4521 * stmt.c (check_unique_operand_names): Don't ICE during error
4522 reporting if i is from labels chain.
4525 * profile.c (branch_prob): Split bbs that have exit edge
4526 and need a fake entry edge too.
4528 2012-01-05 Jan Hubicka <jh@suse.cz>
4531 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4534 2012-01-05 Richard Guenther <rguenther@suse.de>
4537 * tree-streamer-out.c (write_ts_optimization): New function.
4538 (streamer_write_tree_body): Call it.
4539 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4540 (streamer_read_tree_body): Call it.
4541 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4543 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4546 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4547 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4548 in_cleanup_point_expr before gimplify_stmt call and restore it
4550 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4551 in_cleanup_point_expr is false.
4553 2012-01-05 Richard Guenther <rguenther@suse.de>
4556 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4558 * toplev.c (process_options): Reject combining mudflap and LTO.
4559 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4561 2012-01-05 Richard Guenther <rguenther@suse.de>
4563 PR tree-optimization/51760
4564 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4566 (bit_value_unop): Handle UNDEFINED operands.
4567 (bit_value_binop): Likewise.
4569 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4571 * config/avr/avr.c (avr_replace_prefix): Remove.
4572 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4573 (avr_asm_function_rodata_section): Ditto.
4574 (avr_asm_select_section): Ditto.
4576 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4578 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4581 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4584 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4585 calls that have any non-fake successor edges.
4588 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4590 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4592 PR tree-optimization/51624
4593 * tree-sra.c (build_ref_for_model): When replicating a chain of
4594 COMPONENT_REFs, stop as soon as the offset would become negative.
4596 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4599 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4600 in .debug_loc on the floor.
4602 2012-01-04 Andrew Pinski <apinski@cavium.com>
4604 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4606 2012-01-04 Andrew Pinski <apinski@cavium.com>
4607 Adam Nemet <anemet@caviumnetworks.com>
4609 * config/mips/mips.md (size): Add SI and DI.
4610 (SIZE): New mode attribute.
4611 (U): New code attribute.
4612 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4613 (mips_lbux_<mode>): Delete.
4614 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4615 (mips_lhx): Use gen_mips_lhx_extsi.
4616 (mips_lhx_<mode>): Delete.
4618 (mips_l<size>x): New expand.
4619 (mips_lwx_<mode>): Delete.
4620 (mips_l<GPR:size>x_<P:mode>): New pattern.
4621 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4622 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4623 * config/mips/mips.c (mips_lx_address_p): New function.
4624 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4625 (dsp64): New availability predicate.
4626 (mips_builtins): Add an entry for __builtin_mips_ldx.
4627 * config/mips/mips.h (ISA_HAS_LBX): New define.
4628 (ISA_HAS_LBUX): Likewise.
4629 (ISA_HAS_LHX): Likewise.
4630 (ISA_HAS_LHUX): Likewise.
4631 (ISA_HAS_LWX): Likewise.
4632 (ISA_HAS_LWUX): Likewise.
4633 (ISA_HAS_LDX): Likewise.
4634 * doc/extend.texi (__builtin_mips_ldx): Document.
4636 2012-01-04 Tristan Gingold <gingold@adacore.com>
4638 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4639 when long pointers are used.
4640 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4641 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4642 (ia64-hp-*vms*): Remove.
4643 * config/vms/xm-vms64.h: Delete.
4645 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4648 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4650 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4652 * opts.c (finish_options): Remove duplicate sorry.
4654 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4657 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4660 2012-01-04 Richard Guenther <rguenther@suse.de>
4663 * tree.c (size_low_cst): New function.
4664 * tree.h (size_low_cst): Declare.
4665 * fold-const.c (fold_comparison): Use it to extract the low
4666 part of the POINTER_PLUS_EXPR offset.
4668 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4670 Fix clearing ZERO_REG
4671 * config/avr/avr.md (cc): Add alternative "ldi".
4672 (movqi_insn): Use it in cc attribute.
4673 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4674 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4675 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4677 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4679 * configure: Regenerate.
4681 2012-01-04 Richard Guenther <rguenther@suse.de>
4683 PR tree-optimization/49651
4684 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4685 (var_can_have_subvars): Use it.
4686 (get_constraint_for_1): Only consider subfields if there can be any.
4688 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4691 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4692 to its new canonical_cselib_val and the cselib_val was in
4693 first_containing_mem chain, but the canonical_cselib_val was not,
4694 add the latter into the chain.
4695 (cselib_invalidate_mem): Compare canonical_cselib_val of
4696 addr_list chain elt with v.
4699 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4700 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4702 (output_macinfo_op): Don't ggc_strdup fd->filename.
4703 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4704 then ggc_strdup it. Don't free inc->info or cur->info.
4705 (output_macinfo): Don't free ref->info or file->info.
4707 2012-01-03 Ira Rosen <irar@il.ibm.com>
4709 PR tree-optimization/51269
4710 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4711 first_niters a pointer.
4712 (slpeel_tree_peel_loop_to_edge): Likewise.
4713 (vect_do_peeling_for_loop_bound): Update call to
4714 slpeel_tree_peel_loop_to_edge.
4715 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4716 here. Remove it from the parameters list.
4717 (vect_do_peeling_for_alignment): Update calls and compute
4720 2012-01-03 Richard Guenther <rguenther@suse.de>
4722 PR tree-optimization/51070
4723 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4724 Properly handle calls.
4726 2012-01-03 Richard Guenther <rguenther@suse.de>
4728 PR tree-optimization/51692
4729 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4730 the LHS of allocation stmts.
4732 2012-01-03 Olivier Hainque <hainque@adacore.com>
4734 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4736 2012-01-03 Olivier Hainque <hainque@adacore.com>
4738 * collect2.c (main): In AIX specific computations for vector
4739 insertions, use CONST_CAST2 to cast from char ** to const char **.
4741 2012-01-03 Richard Guenther <rguenther@suse.de>
4744 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4745 the context of a limbo DIE when it does not already exist.
4747 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4749 PR tree-optimization/51719
4750 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4751 but direct call is, clear direct call's lhs and don't add fallthrough
4752 edge from dcall_bb to join_bb and PHIs.
4754 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4756 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4757 the instructions emitted by the pattern.
4758 ("*TDC_insn_<mode>"): Add comment.
4760 2012-01-03 Richard Guenther <rguenther@suse.de>
4763 * fold-const.c (fold_comparison): Properly canonicalize
4764 tree offset and HOST_WIDE_INT bit position.
4766 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4768 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4769 operands for extzv pattern.
4771 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4774 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4777 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4779 * doc/invoke.texi (-flto and related options): Copy-edit.
4781 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4783 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4785 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4787 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4790 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4792 * expr.h (move_by_pieces_ninsns): Declare.
4793 * expr.c (move_by_pieces_ninsns): Make external.
4794 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4795 (mips_store_by_pieces_p): Likewise.
4796 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4797 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4798 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4799 (mips_store_by_pieces_p): Likewise.
4801 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4803 * passes.c (register_one_dump_file): Free full_name.
4805 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4806 (calculate_elim_costs_all_insns): Free offsets_at and
4807 offsets_known_at at the end and clear the pointers.
4809 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4811 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4812 this option introduced in r180739.
4814 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4817 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4818 (tmake_file target=avr): Add avr/t-multilib.
4820 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4821 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4822 * config/avr/genmultilib.awk: New file.
4823 * config/avr/t-multilib: New auto-generated file.
4824 * config/avr/multilib.h: New auto-generated file.
4825 * config/avr/t-avr (AVR_MCUS): New variable.
4826 (genopt.sh): Use it.
4827 (s-mlib): Depend on t-multilib.
4828 (t-multilib, multilib.h): New dependencies.
4829 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4830 (MULTILIB_OPTIONS): Remove.
4831 (MULTILIB_MATCHES): Remove.
4832 (MULTILIB_DIRNAMES): Remove.
4833 (MULTILIB_EXCEPTIONS): Remove:
4834 * config/avr/genopt.sh: Don't use hard coded file name;
4835 pass AVR_MCUS from t-avr instead.
4837 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4839 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4841 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4843 Implement light-weight DImode support.
4844 * config/avr/avr-dimode.md: New file.
4845 * config/avr/avr.md: Include it.
4846 (adjust_len): Add plus64, compare64.
4847 (HIDI): Remove code iterator.
4848 (code_stdname): New code attribute.
4849 (rotx, rotsmode): Remove DI.
4850 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4852 * config/avr/avr-protos.h (avr_have_dimode): New.
4853 (avr_out_plus64, avr_out_compare64): New.
4854 * config/avr/avr.c (avr_out_compare): Handle DImode.
4855 (avr_have_dimode): New variable definition and initialization.
4856 (avr_out_compare64, avr_out_plus64): New functions.
4857 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4858 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4859 (avr_compare_pattern): Skip DImode comparisons.
4861 2012-01-02 Revital Eres <revital.eres@linaro.org>
4863 * ddg.c (def_has_ccmode_p): New function.
4864 (add_cross_iteration_register_deps,
4865 create_ddg_dep_from_intra_loop_link): Call it.
4867 2012-01-02 Richard Guenther <rguenther@suse.de>
4870 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4872 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4874 * gcc.c (process_command): Update copyright notice dates.
4875 * gcov.c (print_version): Likewise.
4876 * gcov-dump.c (print_version): Likewise.
4877 * mips-tfile.c (main): Likewise.
4878 * mips-tdump.c (main): Likewise.
4880 2012-01-01 Ira Rosen <irar@il.ibm.com>
4882 PR tree-optimization/51704
4883 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4884 a use is inside the basic block or loop before accessing its vect info.
4886 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4888 PR rtl-optimization/51069
4889 * cfgloopmanip.c (remove_path): Removing path making irreducible
4890 region unconditional makes BB part of the region.
4892 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4894 PR tree-optimization/51683
4895 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4896 calls with side-effects.
4897 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4899 Copyright (C) 2012 Free Software Foundation, Inc.
4901 Copying and distribution of this file, with or without modification,
4902 are permitted in any medium without royalty provided the copyright
4903 notice and this notice are preserved.