1 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3 * trans-mem.c: New typedef for tm_region_p.
4 Define vector types for tm_region_p.
5 (tm_region_init): Replace region_worklist to a vector called
8 2012-03-06 Richard Guenther <rguenther@suse.de>
10 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
11 MEM_REF with constant pointer operand.
13 2012-03-06 Richard Guenther <rguenther@suse.de>
16 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
18 2012-03-06 Tristan Gingold <gingold@adacore.com>
20 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
22 (external_model_kind): Improve documentation.
23 (vms_pragma_extern_model): Handle relaxed_redef.
24 (vms_c_register_pragma): Allow expansion for nomember_alignment.
26 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
28 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
29 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
30 Some more notes on EIND usage and reorder EIND subsection.
32 2012-03-06 Tristan Gingold <gingold@adacore.com>
34 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
35 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
37 2012-03-06 Tristan Gingold <gingold@adacore.com>
39 * config/vms/t-vmsnative (version): Define.
40 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
42 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
44 PR rtl-optimization/52250
45 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
46 to put note list into. Unconditionally call move_bb_info.
47 (move_bb_info): Do not assert the blocks being in the same region,
48 just drop the note list if they are not.
50 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
53 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
54 and use unified expansion logic.
55 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
56 closer to the existing movt insn.
57 (negc): Rename insn to *negc. Add new expander.
58 (movnegt): Use xor pattern for T bit negation. Reserve helper
59 constant for negc pattern.
60 (*movnegt): New insn and splitter.
62 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
64 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
67 2012-03-05 Richard Henderson <rth@redhat.com>
69 * genemit.c (main): Include "target.h" in insn-emit.c.
70 * Makefile.in (insn-emit.o): Depend on TARGET_H.
71 * config/sh/sync.md (atomic_test_and_set): Reference
72 targetm.atomic_test_and_set_trueval instead of
73 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
75 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
77 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
80 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
82 * langhooks.c (add_builtin_type): New function.
83 * langhooks.h (add_builtin_type): Export it.
84 * config/mep/mep.c (mep_init_builtins): Use it.
85 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
87 2012-03-05 Jakub Jelinek <jakub@redhat.com>
90 * tree.h (BLOCK_SAME_RANGE): Define.
91 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
92 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
93 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
94 isn't equal to supercontext fragment's fragment chain.
95 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
97 (blocks_nreverse_all): Likewise.
98 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
99 BLOCK_SUPERCONTEXT to supercontext fragment instead of
100 supercontext fragment's fragment origin.
101 * dwarf2out.c (add_high_low_attributes): If stmt has the same
102 range as its parent (or parents thereof etc.), use the parent's
103 DW_AT_ranges value instead of creating a new .debug_ranges range.
105 2012-03-05 Richard Henderson <rth@redhat.com>
108 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
109 * omp-low.c (expand_omp_atomic): Assume anything aligned to
110 BIGGEST_ALIGNMENT is aligned.
112 2012-03-05 Richard Henderson <rth@redhat.com>
114 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
115 * config/sh/sh.c: ... here.
117 2012-03-05 Richard Henderson <rth@redhat.com>
120 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
121 instead of calling negqi2 directly.
123 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
126 * trans-mem.c (tm_region_init): Use last_basic_block.
128 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
130 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
131 * config/sh/sync.md (atomic_test_and_set): New expander.
132 (tasb, atomic_test_and_set_soft): New insns.
133 * config/sh/sh.opt (menable-tas): New option.
134 * doc/invoke.texi (SH Options): Document it.
136 2012-03-05 Richard Guenther <rguenther@suse.de>
138 * cfgloop.c (verify_loop_structure): Verify dominators before
140 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
141 dominators from here.
142 * graphite-scop-detection.c (create_sese_edges): Likewise.
143 * loop-doloop.c (doloop_optimize_loops): Likewise.
144 * loop-init.c (loop_optimizer_init): Likewise.
145 * loop-unroll.c (unroll_and_peel_loops): Likewise.
146 * loop-unswitch.c (unswitch_loops): Likewise.
147 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
148 * tree-parloops.c (parallelize_loops): Likewise. Verify
149 only when checking is enabled.
150 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
152 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
154 * genautomata.c (parse_automata_opt): New static function.
155 (initiate_automaton_gen): Remove all option handling code. Remove
156 argc argument. All callers changed.
157 (main): Call init_rtx_reader_args_cb with the new function as
160 2012-03-05 Richard Guenther <rguenther@suse.de>
162 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
163 * tree-if-conv.c (combine_blocks): Free post-dominator info
165 * tree-parloops.c (create_parallel_loop): Free and re-compute
166 dominator info after breaking it.
168 2012-03-05 Richard Guenther <rguenther@suse.de>
171 * optabs.h (trapv_unoptab_p): New function.
172 (trapv_binoptab_p): Likewise.
173 * optabs.c (expand_binop): Use emit_libcall_block_1 with
174 a proper equiv_may_trap argument.
175 (expand_unop): Likewise.
176 (emit_libcall_block_1): Take extra argument whether the
177 instruction may trap. Renamed from ...
178 (emit_libcall_block): ... this. New wrapper.
180 2012-03-05 Jakub Jelinek <jakub@redhat.com>
182 PR tree-optimization/51721
183 * tree-vrp.c (register_edge_assert_for_2): If comparing
184 lhs of right shift by constant with an integer constant,
185 add ASSERT_EXPRs for the rhs1 of the right shift.
187 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
189 2012-03-05 Richard Guenther <rguenther@suse.de>
191 * tree.c (integer_zerop): Handle VECTOR_CSTs.
192 (integer_onep): Likewise.
193 (integer_all_onesp): Likewise.
195 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
197 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
199 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
201 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
202 instead of TARGET_64BIT.
204 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
206 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
209 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
211 * config/i386/i386.c (ix86_print_operand_address): Only handle
212 zero-extended DImode addresses.
214 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
216 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
217 taken and cputaken as bool.
219 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
221 * config/i386/constraints.md (Ya): New internal constraint.
222 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
223 (*zero_extendsidi2_rex64): Add x,x alternative.
224 (*zero_extendsidi2): Ditto. Add o,0 alternative.
225 Remove flags reg clobber. Adjust corresponding splits.
226 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
227 zero_extendqisi2 expanders using SWI12 mode iterator.
228 (zero_extend<mode>si2_and): Macroize insn from
229 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
231 (*zero_extend<mode>si2): Macroize insn from
232 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
233 (*zero_extend*2_movzbl_and): Remove insn patterns.
234 (zero_extendqihi2_and): Merge corresponding splitter.
235 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
236 (*zero_extend*2_movzbl_and): Remove insn patterns.
237 (*anddi_1): Split TYPE_IMOVX instructions.
238 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
240 (and->zext splitter): Add splitter pattern.
241 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
243 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
245 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
247 (Debugging Options): Likewise.
248 (Optimize Options): Likewise.
249 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
250 with other architectures. Use official processor names with correct
251 spelling/capitalization. Fix formatting and grammar issues.
252 (i386 and x86-64 Windows Options): Similar cleanup here.
254 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
256 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
258 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
260 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
263 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
265 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
266 operand is CONST_INT. Take COSTS_N_INSNS into account.
267 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
270 2012-03-02 Richard Henderson <rth@redhat.com>
272 * optabs.c (expand_atomic_test_and_set): Honor
273 atomic_test_and_set_trueval even when atomic_test_and_set
276 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
280 * config/sh/sh.c (sh_register_move_cost): Increase cost between
281 GENERAL_REGS and FP_REGS for SImode.
283 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
286 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
287 (absdi2): New expander.
288 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
290 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
292 * config/sh/sync.md (atomic_exchange<mode>): New expander.
293 (atomic_exchange<mode>_soft): New insn.
295 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
297 * config/sh/sync.md: Update copyright notice dates.
298 (atomic_compare_and_swap<mode>): Use SImode for return value instead
300 (atomic_compare_and_swap<mode>_soft): Likewise.
302 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
305 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
306 * config/sh/sh.c: Update copyright notice dates.
307 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
308 alignment for TARGET_HARD_SH4.
309 (sh_option_override): Reduce default function alignment. Set
310 loop alignment to 4 bytes when not optimizing for size.
312 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
315 * doc/invoke.texi (floop-flatten): Remove.
316 * toplev.c (process_options): Remove references to flag_loop_flatten.
317 * tree-ssa-loop.c (gate_graphite_transform): Same.
318 * common.opt (floop-flatten): Obsolete.
319 * graphite-poly.c (apply_poly_transforms): Remove reference to
321 * Makefile.in (graphite-flattening.o): Remove.
322 * graphite-flattening.c: Remove.
324 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
326 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
327 having mode compatible with the mode of previous compare. Substitute
328 compare mode of previous compare with the mode, compatible
329 with eliminated and previous compare.
331 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
333 * config/rs6000/dfp.md (floatdidd2): New define_insn.
335 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
337 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
338 compatible with CCGOCmode and CCGCmode.
340 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
342 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
344 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
346 * config/arm/arm.c (arm_sat_operator_match): New function.
347 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
348 * config/arm/arm.md ("insn" attribute): Add "sat" value.
349 ("SAT", "SATrev"): New code iterators.
350 ("SATlo", "SAThi"): New code iterator attributes.
351 ("*satsi_<SAT:code>"): New pattern.
352 ("*satsi_<SAT:code>_shift"): Likewise.
353 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
354 and "shift" attributes.
355 ("arm_usatsihi"): Add "insn" attribute.
356 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
357 by powers of two. Do not allow shift by 32.
359 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
362 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
363 to pass the argument in the register of "natural" mode.
365 2012-03-02 Richard Guenther <rguenther@suse.de>
367 PR tree-optimization/52406
368 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
369 (struct indices): Add unconstrained_base member.
370 (struct dr_alias): Remove unused vops member.
371 (DR_UNCONSTRAINED_BASE): New define.
372 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
373 add indices to allow their disambiguation. Make DR_BASE_OBJECT
374 be an artificial access that covers the whole indexed object,
375 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
376 plain decl base-objects to their MEM_REF variant.
377 (dr_may_alias_p): When the base-object of either data reference
378 has unknown size use only points-to information.
379 (compute_affine_dependence): Make dumps easier to read and
381 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
382 DR_REF when looking for packed references.
383 (vect_supportable_dr_alignment): Likewise.
385 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
387 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
388 Improve conditions for peepholes of loads followed by commutative
390 * config/arm/ldmstm.md: Regenerated.
392 2012-03-02 Richard Guenther <rguenther@suse.de>
394 * BASE-VER: Set to 4.8.0.
396 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
398 * config.gcc (obsolete): Add all ARM targets using the FPA.
399 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
400 * doc/install.texi: Avoid references to obsolete ARM ports.
402 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
404 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
406 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
407 Joern Rennecke <joern.rennecke@embecosm.com>
409 * doc/extend.texi: Expand and update information on interrupt
410 attribute for Epiphany.
412 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
414 * config/sh/sh-protos.h: Update copyright notice dates.
415 * config/sh/sh.h: Likewise.
416 * config/sh/sh.md: Likewise.
417 * config/sh/constraints.md: Likewise.
418 * config/sh/predicates.md: Likewise.
420 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
422 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
423 * config/sh/sh.c (tertiary_reload_operand): Likewise.
425 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
427 * config/sh/constraints.md: Fix comment typo.
429 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
432 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
433 unsigned HOST_WIDE_INT.
434 (zvdep_imm64): Likewise.
435 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
436 (vdepi_and): Likewise.
437 Likewise for unamed 64-bit patterns.
438 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
440 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
443 PR rtl-optimization/52417
444 * cselib.c (cselib_any_perm_equivs): New variable.
445 (cselib_reset_table): Check that it's not set when not
446 preserving constants.
447 (cselib_add_permanent_equiv): Set it.
448 (cselib_have_permanent_equivalences): New.
449 (cselib_init, cselib_finish): Reset it.
450 * cselib.h (cselib_have_permanent_equivalences): Declare.
451 * alias.c (get_addr): Restore earlier behavior when there
452 aren't permanent equivalences.
454 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
456 * config/mn10300/mn10300-modes.def: Fix copyright notice.
457 * config/v850/v850-modes.def: Fix copyright notice.
459 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
461 * doc/extend.texi (AVR Built-in Functions): Document
462 __builtin_avr_flash_segment.
464 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
465 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
466 (*split.flash_segment): New insn-and-split.
467 * config/avr/avr.c (avr_init_builtins): Add local variables:
468 const_memx_void_node, const_memx_ptr_type_node,
469 char_ftype_const_memx_ptr.
471 2012-03-01 Jakub Jelinek <jakub@redhat.com>
473 PR tree-optimization/52445
474 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
475 add ssa_name_ver, offset and size fields and change store field
477 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
478 (add_or_mark_expr): Likewise. Only consider previous stores
479 with the same size and offset.
480 (nt_init_block): Only look at gimple_assign_single_p stmts,
481 doesn't look at rhs2.
483 2012-03-01 Richard Guenther <rguenther@suse.de>
486 * tree-cfg.c (verify_gimple_assign_unary): Allow any
487 conversions from integral types to pointer types.
489 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
491 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
492 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
493 unintentionally removed in r184616.
495 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
497 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
500 2012-02-29 Jakub Jelinek <jakub@redhat.com>
501 Uros Bizjak <ubizjak@gmail.com>
504 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
505 alternatives, add "e" constraint to the new last alternative
506 and ! to last 3 alternatives.
508 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
510 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
511 DW_AT_artificial attributes at the end of the processing.
512 (gen_array_type_die): Likewise.
513 (gen_enumeration_type_die): Likewise.
514 (gen_struct_or_union_type_die): Likewise.
515 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
518 2012-02-29 Jakub Jelinek <jakub@redhat.com>
521 * expr.c (expand_assignment): If doing misaligned store that doesn't
522 cover all mode bits, perform a RMW cycle.
524 PR tree-optimization/52429
525 * tree-parloops.c (separate_decls_in_region_debug): Return early
526 if var is LABEL_DECL.
528 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
530 PR tree-optimization/52424
531 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
532 calling dom_thread_across_edge.
534 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
536 * config/avr/avr.c: Move definition of TARGET macros to end of file.
538 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
540 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
541 * config/avr/avr.c (avr_output_bld): Remove unused function.
542 (avr_out_sbxx_branch): Use "%T" to print bit position.
544 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
546 * config/avr/avr.md: Untabify.
548 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
550 * config/avr/avr.md (eqne): New code iterator.
551 (*dec-and-branchsi): Use it in text peephole's condition.
552 (*dec-and-branchhi): Ditto.
553 (*dec-and-branchqi): Ditto.
555 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
558 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
559 the device does not have the skip-bug.
561 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
563 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
564 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
565 -mpretend-cmove): New.
567 2012-02-29 Jakub Jelinek <jakub@redhat.com>
570 * df.h (struct df_d): Adjust comment that hard_regs_live_count
571 doesn't count DEBUG_INSN refs.
572 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
575 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
579 2012-02-20 Richard Guenther <rguenther@suse.de>
580 PR tree-optimization/52298
581 * tree-vect-stmts.c (vectorizable_load): Properly use
582 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
585 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
588 * gimple.h (gimple_in_transaction): New.
589 (gimple_set_in_transaction): New.
590 (struct gimple_statement_base): Add in_transaction field.
591 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
593 (tree_ssa_lim_initialize): Compute transaction bits.
594 * tree.h (compute_transaction_bits): Protoize.
595 * trans-mem.c (tm_region_init): Use the heap to store BB
597 (compute_transaction_bits): New.
599 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
601 * gcc.c (display_help): Document --help=common and sort entries
604 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
606 * doc/install.texi: Document check-$LANG specific shortcuts
608 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
611 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
613 * config/arm/arm_neon.h: Regenerate.
614 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
615 (neon_vcgeu): New insn.
616 (neon_vcgtu): Likewise.
617 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
618 (ops): Unsigned comparison intrinsics call a different builtin.
620 2012-02-28 Richard Guenther <rguenther@suse.de>
623 * config/i386/i386.c (ix86_expand_vector_set): Fix element
624 ordering for the VEC_CONCAT for two element vectors for
625 V2SFmode, V2SImode and V2DImode.
627 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
630 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
631 detecting big-endian triplets.
633 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
635 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
636 mode if there is no type information available.
638 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
640 PR tree-optimization/53207
641 * doc/invoke.texi: Document as experimental and relying on graphite.
643 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
645 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
646 of initializer to changes from r184614.
648 2012-02-28 Richard Guenther <rguenther@suse.de>
650 PR tree-optimization/52395
651 * tree-sra.c (build_ref_for_offset): Also look at the base
652 TYPE_ALIGN when figuring out the alignment of the replacement.
654 2012-02-28 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/52402
657 * ipa-prop.c (ipa_modify_call_arguments): Properly use
658 mis-aligned types when creating the accesses at the call site.
660 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
662 * config/avr/builtins.def: New file.
663 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
664 * config/avr/avr.c (enum avr_builtin_id): Use it.
665 (avr_init_builtins): Use it. And use avr_bdesc.
666 (bdesc_1arg): Remove.
667 (bdesc_2arg): Remove.
668 (bdesc_3arg): Remove.
669 (struct avr_builtin_description): Add field n_args.
670 (avr_bdesc): New static variable using builtins.def.
671 (avr_expand_builtin): Use it.
672 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
673 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
674 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
676 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
679 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
680 match only one single hard register with respective hard reg rtx.
681 (movmemx_<mode>): Ditto.
682 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
683 insn anatomy of movmem[x]_<mode>.
684 (avr_out_movmem): Same for printing assembler and operand usage.
686 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
690 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
691 address spaces located outside of device flash.
693 * config/avr/avr.h (base_arch_s): Remove field n_segments.
694 (mcu_type_s): Add field n_flash.
695 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
696 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
697 (AVR_MCU): Add N_FLASH argument.
698 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
699 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
700 macro __FLASH<n> if that address space makes sense for the device.
701 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
702 outside of target flash.
703 (avr_asm_named_section): Ditto.
704 (avr_asm_select_section): Ditto.
705 (avr_addr_space_convert): Ditto.
706 (avr_emit_movmemhi): Ditto.
707 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
708 address space is outside of device flash.
709 (avr_insert_attributes): Ditto.
710 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
711 avr_current_arch->n_segments.
713 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
716 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
717 (*movabs<mode>_2): Likewise.
719 2012-02-27 Jakub Jelinek <jakub@redhat.com>
722 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
723 s_register_operand in the test instead of REG_P. Don't call
724 gen_reg_rtx if it won't be used.
726 PR tree-optimization/52376
727 * ipa-split.c (split_function): Ignore CLOBBER stmts.
729 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
731 * ifcvt.c (noce_get_condition): Check condition variable is not
732 small_register_classes_for_mode_p before accepting.
734 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
736 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
738 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
741 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
742 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
744 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
746 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
748 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
750 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
752 * config/sh/predicates.md: Remove blank lines.
753 * config/sh/sh.c: Fix typos in comments.
754 * config/sh/constraints.md: Likewise.
755 * config/sh/sh.md: Remove blank lines.
756 Fix typos in comments. Use ;; as comment characters.
758 2012-02-26 Walter Lee <walt@tilera.com>
760 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
761 (replace_mov_pcrel_step2): Ditto.
763 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
766 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
767 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
768 and locs that reference values newer than the non-canonical value
769 at hand. Return the canonical value as a worst case.
770 (memrefs_conflict_p): Walk canonical value's locs.
773 * cselib.c (preserve_only_constants): Rename to...
774 (preserve_constants_and_equivs): ... this. Split out...
775 (invariant_or_equiv_p): ... this. Preserve plus expressions
776 of other preserved expressions too.
777 (cselib_reset_table): Adjust.
778 * var-tracking.c (reverse_op): Use canonical value to build
781 2012-02-23 Kai Tietz <ktietz@redhat.com>
783 * config/i386/i386.c (ix86_delegitimize_address): Handle
784 UNSPEC_PCREL plus displacement.
786 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
789 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
790 to test for unusedness in st X addressing.
792 2012-02-24 Richard Guenther <rguenther@suse.de>
795 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
796 (is_gimple_reg_type): Move inline ...
797 * gimple.h (is_gimple_reg_type): ... here.
799 2012-02-24 Richard Guenther <rguenther@suse.de>
802 * passes.c (execute_function_todo): When verifying SSA form
803 verify gimple form first.
804 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
806 2012-02-24 Richard Guenther <rguenther@suse.de>
809 * fold-const.c (fold_addr_of_array_ref_difference): New function.
810 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
812 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
814 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
816 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
818 * tree-phinodes.c (make_phi_node): Mark static.
819 * tree-flow.h (make_phi_node): Remove extern decl.
820 * doc/gimple.texi (make_phi_node): Remove documentation.
822 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
824 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
825 * tree-ssa-sccvn.c (print_scc): Ditto.
827 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
829 * doc/passes.texi (Full redundancy elimination): Fix typo.
831 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
833 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
835 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
838 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
840 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
843 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
845 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
847 * config/avr/avr.md (code_stdname): Add ior, xor.
848 (xior): New code iterator.
849 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
850 (*<code_stdname><mode>qi.byte1-3): Ditto.
852 2012-02-23 Jakub Jelinek <jakub@redhat.com>
854 PR tree-optimization/52019
855 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
858 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
860 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
861 HAVE_INITFINI_ARRAY to work around namespace pollution in
862 certain versions of newlib system headers.
863 * config.in: Regenerate.
864 * configure: Regenerate.
865 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
866 instead of HAVE_INITFINI_ARRAY.
868 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
871 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
872 is not offsettable memory reference.
874 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
877 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
878 setting avr_need_clear_bss_p for __gnu_lto* symbols.
880 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
882 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
883 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
885 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
887 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
888 library on Solaris 8 even without TLS support.
889 * configure: Regenerate.
891 2012-02-22 Richard Guenther <rguenther@suse.de>
894 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
895 for GIMPLE_DEBUG stmts.
897 2012-02-22 Martin Jambor <mjambor@suse.cz>
900 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
901 according to the base object.
903 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
905 PR rtl-optimization/50063
906 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
907 and 2 (8-bit SP) in operand 2.
908 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
909 setup to use movhi_sp_r instead of vanilla move to write SP.
910 Adjust REG_CFA notes to superseed unspec.
911 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
913 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
914 known to be off) only with TARGET_NO_INTERRUPTS. Never use
915 irq_state 1 (IRQ known to be on) here.
917 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
919 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
921 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
922 assign_hard_reg): Likewise.
924 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
926 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
928 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
931 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
932 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
934 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
936 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
937 prototype from here to...
938 * config/avr/avr.h: ...here.
940 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
943 * thumb2.md (thumb2_shiftsi3_short): Split register and
944 immediate shifts. For register shifts tie operands 0 and 1.
945 (peephole2 for above): Check that register-controlled shifts
946 have suitably tied operands.
948 2012-02-21 Quentin Neill <quentin.neill@amd.com>
951 * config/i386/bdver1.md (bdver1_call, bdver1_push,
952 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
953 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
954 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
955 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
956 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
957 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
958 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
959 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
960 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
961 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
962 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
963 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
964 bdver1_ssevector_avx256_unaligned_load,
965 bdver1_ssevector_sse128_unaligned_load,
966 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
967 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
968 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
969 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
970 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
971 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
972 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
973 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
974 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
975 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
976 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
977 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
978 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
979 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
980 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
981 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
982 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
983 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
984 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
985 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
986 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
987 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
988 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
989 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
990 bdver1_ssediv_double_load, bdver1_ssediv_double,
991 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
992 Add "bdver2" attribute.
994 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
996 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
997 default if possible and not specified otherwise.
999 2012-02-21 Richard Guenther <rguenther@suse.de>
1002 * gimplify.c (create_tmp_from_val): Use the main variant type
1003 for the type of the temporary we create.
1005 2012-02-21 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/52324
1008 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1009 do not gimplify a MEM_REF address operand if it is already
1012 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1014 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1015 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1017 2012-02-21 Richard Guenther <rguenther@suse.de>
1019 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1020 nested_in_vect_loop.
1022 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1024 PR tree-optimization/52318
1025 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1026 vdef also to non-pure/const call stmts in the sequence.
1028 2012-02-21 Tristan Gingold <gingold@adacore.com>
1030 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1032 2012-02-20 David S. Miller <davem@davemloft.net>
1034 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1035 don't use the "rd %pc" instruction on v9 for PIC register loads.
1037 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1040 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1041 in a transaction safe function.
1043 2012-02-20 Kai Tietz <ktietz@redhat.com>
1046 * stor-layout.c (place_field): Handle desired_align for
1049 2012-02-20 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/52298
1052 * tree-vect-stmts.c (vectorizable_store): Properly use
1053 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1055 (vectorizable_load): Likewise.
1056 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1057 Access DR_STEP after ensuring it is not NULL.
1059 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1061 PR tree-optimization/52286
1062 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1063 optimization use double_int_to_tree instead of build_int_cst_wide,
1064 rewrite to use double_int vars.
1066 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1069 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1071 Remove -e 0 from $gcc_cv_ld invocation.
1072 Only use __GLIBC_PREREQ if defined.
1073 Enable on Solaris since Solaris 8 patch.
1074 (gcc_SUN_LD_VERSION): New macro.
1075 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1076 gcc_SUN_LD_VERSION for version number format.
1077 * configure: Regenerate.
1078 * varasm.c (get_elf_initfini_array_priority_section): Set
1079 SECTION_NOTYPE for non-default priority.
1080 Use get_section instead of get_unnamed_section to emit
1081 .init_array/.fini_array with default priority.
1083 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1085 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1086 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1087 (mips_start_unique_function, mips_output_mips16_rdhwr)
1088 (mips_code_end): New functions.
1089 (TARGET_ASM_CODE_END): Define.
1091 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1093 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1094 to stubs with non-sibling calls.
1096 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1098 * doc/invoke.texi (-fira-* options): Copy-edit.
1099 (ira-* parameters): Copy-edit.
1101 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1103 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1104 GCC coding conventions.
1106 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1108 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1109 when used as adjectives.
1111 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1113 * doc/invoke.texi: Clean up "that"/"which" confusion.
1115 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1117 * system.h: Poison SMALL_REGISTER_CLASSES
1118 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1119 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1121 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1123 PR tree-optimization/52285
1124 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1125 when deciding if a call is a tail call or tail recursion.
1127 2012-02-16 Kai Tietz <ktietz@redhat.com>
1129 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1130 interger-constant displacement for UNSPEC_PCREL.
1132 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1134 PR rtl-optimization/52208
1135 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1136 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1138 PR tree-optimization/52255
1139 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1140 loop->header has virtual PHI, but exit_e->dest doesn't, add
1141 virtual PHI to exit_e->dest and adjust all uses after the loop.
1144 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1145 children with clone_tree_hash, not after it.
1147 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1149 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1150 extended identifiers.
1152 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1155 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1156 a same_body_alias, also test whether e->callee isn't a former
1157 or current clone of the decl this is a same body alias of.
1159 PR translation/52264
1160 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1162 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1164 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1166 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1169 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1170 force_reg instead of copy_to_reg for better optimization. Force
1171 non-register or memory operands into a register.
1173 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1175 * extend.texi: Reserve upper bits of memory model for future use.
1177 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1178 Anatoly Sokolov <aesok@post.ru>
1179 Eric Weddington <eric.weddington@atmel.com>
1182 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1183 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1184 Rewrite initializers for .macro.
1185 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1186 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1187 atxmega32d4, atxmega32x1.
1188 avrxmega4: atxmega64a3, atxmega64d3.
1189 avrxmega5: atxmega64a1, atxmega64a1u.
1190 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1191 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1192 avrxmega7: atxmega128a1, atxmega128a1u.
1193 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1194 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1195 (struct base_arch_s): Rename reserved to xmega_p.
1196 Rename reserved2 to have_rampd.
1197 (AVR_XMEGA): New define.
1198 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1199 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1200 * config/avr/predicates.md (io_address_operand): Take into
1202 (low_io_address_operand): Ditto.
1203 (high_io_address_operand): Ditto.
1204 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1205 (enabled, movhi_sp_r): Use them.
1206 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1207 cpp_define_formatted to built-in define __AVR_ARCH__.
1208 (__AVR_XMEGA__): New built-in define.
1209 (__AVR_HAVE_RAMPD__): New built-in define.
1210 (__AVR_HAVE_RAMPX__): New built-in define.
1211 (__AVR_HAVE_RAMPY__): New built-in define.
1212 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1214 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1215 (avr_option_override): Initialize them.
1216 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1217 (avr_init_expanders): Initialize them. No more block several calls.
1218 (emit_push_sfr): New static function.
1219 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1221 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1222 (avr_print_operand): Print addreeses as symbols for
1223 RAMPX, RAMPY, RAMPD, CCP.
1224 (output_movhi): Handle AVR_XMEGA when writing to SP.
1225 (avr_out_movhi_mr_r_xmega): New static function.
1226 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1227 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1228 __RAMPD__, __CCP__ as needed.
1230 * config/avr/multilib.h: Regenerate.
1231 * config/avr/t-multilib: Regenerate.
1232 * config/avr/avr-tables.opt: Regenerate.
1234 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1236 PR tree-optimization/50561
1237 * graphite-flattening.c (lst_project_loop): Do not
1238 remove old scattering dimensions after flattening.
1239 (lst_do_flatten): Likewise.
1241 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1243 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1244 __builtin_avr_map8, __builtin_avr_map16.
1245 Document __builtin_avr_insert_bits.
1247 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1248 (insert_bits): New insn.
1249 (adjust_len.map_bits): Rename to insert_bits.
1250 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1251 * avr-protos.h (avr_out_map_bits): Remove.
1252 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1253 * config/avr/constraints.md (Cxf,C0f): New.
1254 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1255 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1256 New built-in define __BUILTIN_AVR_INSERT_BITS.
1257 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1258 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1259 (avr_move_bits): Rewrite.
1260 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1262 (avr_map_op_t): New typedef.
1263 (avr_map_op): New static variable.
1264 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1265 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1266 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1267 (bdesc_3arg, avr_expand_triop_builtin): New.
1268 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1269 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1270 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1271 (avr_map_equal_p, avr_map_sig_p): Remove.
1272 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1273 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1274 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1275 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1276 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1277 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1279 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1281 * config/c6x/c6x.md (reserve_cycles): New attribute.
1282 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1283 don't reserve functional units after the branch occurs.
1285 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1288 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1289 functions into non-tm_pure functions.
1291 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1294 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1295 (iterative_hash_canonical_type): Likewise.
1296 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1299 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1301 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1302 sched-group insn, it either remains alone or the entire list is pruned.
1304 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1306 * doc/install.texi (Prerequisites): Fix grammar.
1307 (Configuration): Likewise.
1309 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1311 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1312 MPC as part of GCC before describing configuring with --with-gmp etc.
1313 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1314 sources are present.
1316 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1319 * dwarf2out.c (clone_tree_hash): New function.
1320 (copy_decls_walk): Use it instead of clone_tree.
1322 2012-02-14 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/52244
1325 PR tree-optimization/51528
1326 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1327 replacements for integral types.
1329 2012-02-14 Walter Lee <walt@tilera.com>
1331 * config.gcc: Handle tilegx and tilepro.
1332 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1334 Add HAVE_AS_TLS check for tilegx and tilepro.
1335 * configure: Regenerate.
1336 * doc/contrib.texi: Add Mat Hostetter and self.
1337 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1338 Document instruction intrinsics and network accessing intrinsics.
1339 (TILEPro Built-in Functions): New node. Document instruction
1340 intrinsics and network accessing intrinsics.
1341 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1342 (Specific, tilepro-*-linux*): Likewise.
1343 * doc/invoke.texi (TILE-Gx Options): New section.
1344 (TILEPro Options): New section.
1345 * doc/md.texi (TILE-Gx): New section.
1346 (TILEPro): New section.
1347 * common/config/tilegx/tilegx-common.c: New file.
1348 * common/config/tilepro/tilepro-common.c: New file.
1349 * config/tilegx/constraints.md: New file.
1350 * config/tilegx/linux.h: New file.
1351 * config/tilegx/mul-tables.c: New file.
1352 * config/tilegx/predicates.md: New file.
1353 * config/tilegx/sync.md: New file.
1354 * config/tilegx/t-tilegx: New file.
1355 * config/tilegx/tilegx-builtins.h: New file.
1356 * config/tilegx/tilegx-c.c: New file.
1357 * config/tilegx/tilegx-generic.md: New file.
1358 * config/tilegx/tilegx-modes.def: New file.
1359 * config/tilegx/tilegx-multiply.h: New file.
1360 * config/tilegx/tilegx-protos.h: New file.
1361 * config/tilegx/tilegx.c: New file.
1362 * config/tilegx/tilegx.h: New file.
1363 * config/tilegx/tilegx.md: New file.
1364 * config/tilegx/tilegx.opt: New file.
1365 * config/tilepro/constraints.md: New file.
1366 * config/tilepro/gen-mul-tables.cc: New file.
1367 * config/tilepro/linux.h: New file.
1368 * config/tilepro/mul-tables.c: New file.
1369 * config/tilepro/predicates.md: New file.
1370 * config/tilepro/t-tilepro: New file.
1371 * config/tilepro/tilepro-builtins.h: New file.
1372 * config/tilepro/tilepro-c.c: New file.
1373 * config/tilepro/tilepro-generic.md: New file.
1374 * config/tilepro/tilepro-modes.def: New file.
1375 * config/tilepro/tilepro-multiply.h: New file.
1376 * config/tilepro/tilepro-protos.h: New file.
1377 * config/tilepro/tilepro.c: New file.
1378 * config/tilepro/tilepro.h: New file.
1379 * config/tilepro/tilepro.md: New file.
1380 * config/tilepro/tilepro.opt: New file.
1382 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1384 PR tree-optimization/52210
1385 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1386 vect_model_simple_cost with two entry vect_def_type array instead
1387 of an address of dt.
1389 2012-02-14 Richard Guenther <rguenther@suse.de>
1392 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1393 Do not stream DECL_QUALIFIER.
1394 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1395 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1396 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1398 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1401 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1404 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1407 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1408 * cselib.c (cselib_subst_to_values_from_insn): New function.
1409 * sched-deps.c (add_insn_mem_dependence,
1410 sched_analyze_1, sched_analyze_2): Use it.
1412 2012-02-13 Jan Hubicka <jh@suse.cz>
1415 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1417 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1419 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1420 (GTM_SELF_SPECS): Define if not already defined.
1421 (driver_self_specs): Add GTM_SELF_SPECS.
1422 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1423 (GTM_SELF_SPECS): Define.
1424 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1425 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1427 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1429 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1432 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1435 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1436 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1438 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1441 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1443 2012-02-13 Richard Guenther <rguenther@suse.de>
1445 PR translation/52211
1446 * passes.c (enable_disable_pass): Fix typo.
1448 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1451 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1452 XOR for reduce_bit_field if type is unsigned.
1454 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1456 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1457 disallow changes from SFmode to mode with different size in FP regs.
1459 2012-02-12 Robert Millan <rmh@gnu.org>
1460 Gerald Pfeifer <gerald@pfeifer.com>
1462 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1465 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1467 PR rtl-optimization/52175
1468 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1469 to frame-related instructions.
1471 2012-02-10 Jason Merrill <jason@redhat.com>
1474 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1475 (demangle_new_symbols): Fill it.
1476 (scan_linker_output): Walk it.
1477 (start_tweaking): Split out from scan_linker_output.
1478 (maybe_tweak): Update sym->chosen.
1479 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1481 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1484 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1486 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1488 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1489 having the same mode as previous compare.
1491 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1493 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1494 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1495 (nonlocal_goto_internal): Likewise.
1496 (nonlocal_goto): Emit a use and an indirect jump directly.
1498 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1501 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1502 __atomic_{is,always}_lock_free.
1504 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1507 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1508 negative constant address for x32.
1510 2012-02-10 Richard Henderson <rth@redhat.com>
1512 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1513 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1514 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1516 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1517 Ira Rosen <irar@il.ibm.com>
1519 PR tree-optimization/50031
1520 * targhooks.c (default_builtin_vectorization_cost): Handle
1522 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1523 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1524 all types of reduction and pattern statements.
1525 (vect_estimate_min_profitable_iters): Likewise.
1526 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1527 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1528 for explicit realigns.
1529 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1530 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1532 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1533 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1534 vec_perm for VSX and handle vec_promote_demote.
1536 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1539 * builtins.c (fold_builtin_atomic_always_lock_free,
1540 expand_builtin_atomic_always_lock_free,
1541 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1542 Return and/or test boolean_true_node/boolean_false_node instead of
1543 integer_one_node/integer_zero_node.
1545 2012-02-10 Jan Hubicka <jh@suse.cz>
1548 * predict.c (predict_paths_for_bb): Prevent looping.
1549 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1551 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1553 * config/arm/arm.c (output_move_double): In one case properly
1554 count number of instructions that will be emitted.
1556 2012-02-10 Richard Guenther <rguenther@suse.de>
1558 PR translation/52193
1559 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1561 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1564 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1566 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1569 * var-tracking.c (emit_note_insn_var_location): If
1570 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1571 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1572 non-NOTE_DURING_CALL_P insn.
1574 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1577 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1579 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1582 * gcc.c (switch_matches) Support switches with separated form,
1585 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1587 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1589 (RAMPZ_ADDR): Ditto.
1590 * config/avr/avr.c (avr_addr_t): New typedef.
1591 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1592 (avr_init_expanders): Initialize it.
1593 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1595 (expand_epilogue): Ditto.
1596 (avr_print_operand): Ditto.
1597 (avr_file_start): Ditto.
1598 (avr_emit_movmemhi): Ditto.
1600 2012-02-08 Richard Guenther <rguenther@suse.de>
1602 PR tree-optimization/46886
1603 * tree-flow.h (do_while_loop_p): Declare.
1604 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1605 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1607 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1609 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1610 always succeed for integers larger than a native word.
1612 2012-02-08 Richard Guenther <rguenther@suse.de>
1614 PR rtl-optimization/52170
1615 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1616 properly handle integer vector modes.
1618 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1620 PR gcov-profile/52150
1621 * coverage.c: Include target.h.
1622 (build_var): Call targetm.strip_name_encoding on the assembler name.
1623 Change one _ into . or $ if the target allows it.
1624 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1626 PR rtl-optimization/52139
1627 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1628 is a BARRIER after emit_insn_after_noloc, move BB_END
1629 to the last non-BARRIER insn before it.
1631 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1634 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1635 (mips_gimplify_va_arg_expr): Call it instead of
1636 std_gimplify_va_arg_expr.
1638 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1640 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1641 message for -mno-pointers-to-nested-function.
1643 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1646 * expr.c (get_inner_reference): If there is an offset, add a negative
1647 bit position to it (if any).
1649 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1651 PR rtl-optimization/52060
1652 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1653 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1654 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1655 and/or i0src_copy2 when needed.
1657 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1659 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1660 or LTOPLUGINSONAME if have_c.
1662 * config/freebsd-spec.h: Add comment about what macros can be defined
1664 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1665 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1668 2012-02-07 Richard Guenther <rguenther@suse.de>
1670 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1671 newline in -alias dumps.
1673 2012-02-07 Kai Tietz <ktietz@redhat.com>
1674 Dave Korn <dave.korn.cygwin@gmail.com>
1677 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1678 Take care that typinfo gets dllexport-attribute.
1680 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1683 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1684 if modifier < EXPAND_SUM call force_operand on the result.
1686 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1688 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1689 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1691 (epiphany_function_type): Replace types for specific interrupts with
1692 EPIPHANY_FUNCTION_INTERRUPT.
1693 (EPIPHANY_INTERRUPT_P): Update.
1694 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1695 New static function.
1696 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1697 <disinterrupt>: Affects type identity.
1698 (epiphany_handle_interrupt_attribute): Handle variable number of
1700 (epiphany_compute_function_type): Update for new
1701 epiphany_function_type definition.
1702 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1703 handlers with a longcall forwarder.
1704 (epiphany_start_function): Handle multiple interrupt arguments and/or
1705 forwarder_section attribute.
1707 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1710 2012-02-07 Alan Modra <amodra@gmail.com>
1713 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1716 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1718 PR tree-optimization/50969
1719 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1720 use vec_perm rather than vector_stmt.
1721 (vect_model_load_cost): Likewise.
1722 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1723 vec_perm to be the same as other vector statements.
1724 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1725 cost of vec_perm for TARGET_VSX.
1727 2012-02-06 Richard Guenther <rguenther@suse.de>
1729 PR tree-optimization/52115
1730 * tree-sra.c (access_has_replacements_p): New function.
1731 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1733 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1736 * trans-mem.c (expand_call_tm): Add an assertion.
1737 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1740 2012-02-06 Richard Guenther <rguenther@suse.de>
1742 PR tree-optimization/50955
1743 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1744 raise cost of expressions that replace an address with an
1745 expression based on a different pointer.
1747 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1750 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1751 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1753 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1756 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1757 -Weffc++ and specify guidelines come from second edition.
1759 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1761 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1762 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1763 (call_direct_split, call_value_split, call_value_internal_direct)
1764 (call_value_direct_split, call_value_multiple_split): Use jal and
1765 jal_macro attributes.
1767 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1769 * reload1.c (reload_regs_reach_end_p): Replace with...
1770 (reload_reg_rtx_reaches_end_p): ...this function.
1771 (new_spill_reg_store): Update commentary.
1772 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1773 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1774 before setting new_spill_reg_store.
1775 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1776 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1777 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1778 for non-spill reload registers.
1780 2012-02-05 Ira Rosen <irar@il.ibm.com>
1782 PR tree-optimization/52091
1783 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1784 (vect_is_simple_use_1): Likewise.
1785 * tree-vect-loop.c (vectorizable_reduction): Update calls
1786 to vect_is_simple_use_1 and vect_is_simple_use.
1787 (vectorizable_live_operation): Likewise.
1788 * tree-vect-patterns.c (widened_name_p,
1789 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1790 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1791 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1792 vectorizable_shift,vectorizable_operation, vectorizable_store,
1793 vectorizable_load): Likewise.
1794 (vect_is_simple_cond): Add an argument, pass it to
1795 vect_is_simple_use_1.
1796 (vectorizable_condition): Update calls to vect_is_simple_cond,
1798 (vect_is_simple_use): Add an argument, the statement in which
1799 OPERAND is used. Check that if OPERAND's def stmt is a double
1800 reduction phi node, the use is a phi node too.
1801 (vect_is_simple_use_1): Add an argument, pass it to
1803 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1804 to vect_is_simple_use.
1806 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1808 PR rtl-optimization/52095
1809 * modulo-sched.c (dump_insn_locator): New function.
1810 (loop_canon_p, sms_schedule): Use it.
1812 PR rtl-optimization/52113
1813 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1814 even for decomposable shift/zext insns.
1816 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1817 Zdenek Dvorak <ook@ucw.cz>
1819 PR rtl-optimization/52092
1820 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1821 on get_iv_value result.
1823 2012-02-02 Andrew Pinski <apinski@cavium.com>
1827 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1829 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1832 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1834 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1836 PR rtl-optimization/49800
1837 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1838 (sched_finish): Call regstat_free_n_sets_and_refs.
1840 2012-02-02 Jia Liu <proljc@gmail.com>
1842 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1845 2012-02-02 Jan Hubicka <jh@suse.cz>
1846 Tom de Vries <tom@codesourcery.com>
1849 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1850 * varpool.c (varpool_analyze_pending_decls): Likewise.
1852 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1853 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1855 * config.gcc: Add cr16-* support.
1857 * doc/extend.texi: Document cr16 extensions.
1858 * doc/install.texi: Document cr16 install.
1859 * doc/invoke.texi: Document cr16 options.
1860 * doc/md.texi: Document cr16 constraints.
1862 * common/config/cr16/cr16-common.c: New file.
1863 * config/cr16/cr16.c: New file.
1864 * config/cr16/cr16.h: New file.
1865 * config/cr16/cr16.md: New file.
1866 * config/cr16/cr16.opt: New file.
1867 * config/cr16/cr16-protos.h: New file.
1868 * config/cr16/predicates.md: New file.
1869 * config/cr16/constraints.md: New file.
1870 * config/cr16/t-cr16: New file.
1872 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1875 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1876 that operands[2] is either immediate, or q_regs_operand.
1878 PR tree-optimization/52073
1879 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1880 a pattern stmt for pattern uses, ignore uses outside of the loop.
1882 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1884 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1885 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1886 (OUT_AS1, OUT_AS2): Remove.
1888 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1890 PR rtl-optimization/51374
1891 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1892 to cross other volatile_refs_p insns.
1894 2012-02-01 Richard Guenther <rguenther@suse.de>
1896 * doc/invoke.texi (fno-inline): Clarify documentation.
1897 (finline-small-functions): Likewise.
1898 (finline-functions): Likewise.
1899 * common.opt (finline): Adjust comment and documentation.
1900 (finline-small-functions): Clarify documentation.
1901 (finline-functions): Likewise.
1902 (finline-functions-called-once): Likewise.
1904 2012-02-01 Tristan Gingold <gingold@adacore.com>
1906 * c-typeck.c (composite_type): Keep mode for pointers.
1908 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1910 * function.h (regno_reg_rtx): Adjust comment.
1911 * reginfo.c (init_reg_modes_target): Only use the previous mode
1912 if it fits within one register. Remove MIPS comment.
1914 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1917 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1919 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1921 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1922 to srak instruction.
1924 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1926 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1928 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1933 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1935 2012-01-31 Richard Guenther <rguenther@suse.de>
1937 PR tree-optimization/51528
1938 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1941 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1946 * ree.c (add_removable_extension): Change def_map argument
1947 to unsigned *, store in def_map 1 + offset into *insn_list vector
1948 instead of pointers into the vector.
1949 (find_removable_extensions): Adjust caller.
1951 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1953 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1954 Transform all "* quoted-c-code" to { c-code }.
1955 Remove redundant test for "optimize" in combine patterns.
1956 Move (include "avr-dimode.md") to end of file.
1958 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1961 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1962 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1964 2012-01-30 Richard Guenther <rguenther@suse.de>
1966 PR tree-optimization/52028
1967 * tree-loop-distribution.c (ldist_gen): Properly update
1970 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1973 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1974 set_cur_line_info_table if not emitting debug info.
1976 PR tree-optimization/52046
1977 * tree-vect-patterns.c (check_bool_pattern): Give up if
1978 a comparison could throw.
1981 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1983 2012-01-30 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/52045
1986 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1987 SSA form if cfgcleanup did anything.
1989 2012-01-30 Richard Guenther <rguenther@suse.de>
1991 PR tree-optimization/52045
1992 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1993 before computing final todo.
1995 2012-01-30 Richard Guenther <rguenther@suse.de>
1997 PR tree-optimization/51528
1998 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2001 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2003 * df-problems.c (df_kill_notes): Check that the use refers
2004 to the note under examination.
2006 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2009 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2010 parameter and use short-lived pseudos.
2011 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2012 (sparc_expand_vector_init): Const-ify local variables and adjust
2013 calls to above functions.
2015 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2017 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2019 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2021 * doc/invoke.texi: Make usage of "compile time" and
2022 "run time"/"runtime" consistent throughout the file.
2024 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2026 * config/alpha/alpha.c (alpha_option_override): Default to
2027 full IEEE compliance mode for Go language.
2029 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2031 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2032 (LINK_SSP_SPEC): Define.
2034 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2037 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2040 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2042 * doc/invoke.texi: Correct hyphenation of "floating point",
2043 "double precision", and related terminology throughout the file.
2045 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2048 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2049 arm_general_register_operand predicate for operand 2 instead of
2052 2012-01-27 Ian Lance Taylor <iant@google.com>
2055 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2056 * builtins.c (expand_builtin_init_trampoline): Add onstack
2057 parameter. Change caller.
2058 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2059 * tree.c (build_common_builtin_nodes): Declare
2060 __builtin_init_heap_trampoline.
2062 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2064 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2065 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2066 * config/avr/avr.c: Ditto.
2067 (avr_regnames): Remove because unused.
2068 * config/avr/avr.md (*cpse.ne): New peephole.
2069 (*cpse.eq): New peephole from former cpse peepholes.
2071 2012-01-27 Michael Eager <eager@eagercon.com>
2073 * config/microblaze.c (microblaze_emit_compare): Correct
2074 test after pcmp instruction.
2076 2012-01-27 Richard Guenther <rguenther@suse.de>
2078 PR tree-optimization/52020
2079 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2081 2012-01-27 Richard Guenther <rguenther@suse.de>
2083 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2084 function non-const/pure.
2086 2012-01-27 Richard Guenther <rguenther@suse.de>
2088 PR tree-optimization/50444
2089 * tree-sra.c (build_ref_for_offset): Properly adjust the
2090 MEM_REF type for unaligned accesses.
2092 2012-01-27 Richard Guenther <rguenther@suse.de>
2094 PR tree-optimization/50444
2095 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2096 (expand_assignment): Use it. Properly handle misaligned
2097 bases when expanding stores to component references.
2098 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2101 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2104 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2105 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2106 * tree-data-ref.c (find_data_references_in_loop): Make static.
2107 (compute_all_dependences): Change return type to bool. Bail out
2108 for too many datarefs in a loop. Move the hunk resetting the data
2109 dependences vector from ...
2110 (compute_data_dependences_for_loop): ... here. Account for
2111 compute_all_dependences returning false.
2112 (compute_data_dependences_for_bb): Likewise.
2113 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2114 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2116 2012-01-27 Richard Guenther <rguenther@suse.de>
2119 * expr.c (store_field): Use the alias-set of the scratch memory
2122 2012-01-27 Tom de Vries <tom@codesourcery.com>
2124 PR tree-optimization/51990
2125 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2127 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2129 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2132 * var-tracking.c (reverse_op): Don't add any reverse operation
2133 if V already has any constant locations.
2135 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2137 * doc/invoke.texi: Correct usage of "command line" (noun)
2138 vs "command-line" (adjective) throughout.
2140 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2142 * doc/invoke.texi (Language Independent Options): Move
2143 -Wcoverage-mismatch blurb from here....
2144 (Warning Options): ...to here.
2146 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2148 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2149 Set rs6000_always_hint to false for 476.
2151 2012-01-27 Matthias Klose <doko@ubuntu.com>
2153 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2155 * incpath.c (add_standard_paths): Likewise.
2157 2012-01-27 Richard Henderson <rth@redhat.com>
2159 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2160 * config/m68k/sync.md (atomic_test_and_set): Rename from
2161 sync_test_and_setqi and adjust the operands.
2162 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2163 and unconditionally enable.
2165 2012-01-27 Richard Henderson <rth@redhat.com>
2167 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2168 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2169 (ldstub): Rename from ldstubqi.
2170 (ldstub<I24MODE>): Remove.
2172 2012-01-27 Richard Henderson <rth@redhat.com>
2174 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2175 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2176 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2177 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2178 * doc/tm.texi: Rebuild.
2180 2012-01-27 Richard Henderson <rth@redhat.com>
2182 * optabs.c (gen_atomic_test_and_set): Remove default.
2183 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2185 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2187 PR rtl-optimization/51978
2188 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2189 (combine_reaching_defs): Likewise.
2190 (struct re_info): Remove.
2191 (add_removable_extension): Remove x and data arguments,
2192 add insn, insn_list and def_map. Use the arguments directly
2193 instead of using struct re_info.
2194 (find_removable_extensions): Don't call add_removable_extension
2195 through note_stores, instead just call it with single_set
2197 (find_and_remove_re): Pass curr_cand->expr instead of
2198 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2200 2012-01-26 Michael Matz <matz@suse.de>
2202 PR tree-optimization/46590
2203 * cfgexpand.c: Revert last change (r183305).
2204 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2206 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2207 checking for emptiness.
2209 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2212 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2213 non-addressable non-BLKmode base correctly.
2215 2012-01-26 Michael Matz <matz@suse.de>
2217 PR tree-optimization/48794
2218 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2219 regions referenced from RESX/EH_DISPATCH.
2221 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2223 * config/s390/s390.h: Make BRANCH_COST an option.
2224 * config/s390/s390.opt: New option -mbranch-cost.
2226 2012-01-26 Richard Henderson <rth@redhat.com>
2228 Revert 2012-01-24 change:
2229 * trans-mem.c (requires_barrier): Do not instrument thread local
2230 variables and emit save/restore for them.
2232 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2235 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2238 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2240 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2243 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2246 Rename __pgm to __flash.
2247 Rename __pgm1 to __flash1.
2248 Rename __pgm2 to __flash2.
2249 Rename __pgm3 to __flash3.
2250 Rename __pgm4 to __flash4.
2251 Rename __pgm5 to __flash5.
2252 Rename __pgmx to __memx.
2253 * doc/extend.texi (AVR Named Address Spaces)
2254 Rename address space names as indicated above.
2255 * config/avr/avr.c (avr_addrspace): Ditto.
2257 * config/avr/avr-protos.h
2258 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2259 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2260 * config/avr/predicates.md: Ditto.
2261 * config/avr/avr.c Ditto, and
2262 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2263 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2265 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2266 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2267 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2268 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2269 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2270 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2271 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2272 * config/avr/avr.c: Ditto.
2273 * config/avr/avr.md: Ditto.
2275 2012-01-25 Jason Merrill <jason@redhat.com>
2278 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2280 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2282 PR tree-optimization/51987
2283 * tree-data-ref.c (get_references_in_stmt): Handle references in
2284 non-volatile GIMPLE_ASM.
2286 2012-01-25 Richard Guenther <rguenther@suse.de>
2288 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2289 bases are dereferenced.
2291 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2293 PR rtl-optimization/48374
2294 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2296 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2298 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2299 compute_data_dependences_for_loop returns false.
2300 * tree-parloops.c (loop_parallel_p): Likewise.
2302 2012-01-25 Richard Guenther <rguenther@suse.de>
2304 * tree.h (get_pointer_alignment_1): Declare.
2305 * builtins.c (get_pointer_alignment_1): New function.
2306 (get_pointer_alignment): Use it.
2308 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2310 PR rtl-optimization/48308
2311 * combine.c (enum undo_kind): Add UNDO_LINKS.
2312 (struct undo): Add member l to other_contents and where.
2313 (do_SUBST_LINK): New.
2315 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2316 (undo_all): Handle UNDO_LINKS.
2318 2012-01-25 Richard Henderson <rth@redhat.com>
2320 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2323 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2325 * optabs.c (gen_atomic_test_and_set): Use each argument.
2327 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2329 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2330 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2331 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2332 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2333 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2334 TARGET_PAIRED_SINGLE_FLOAT.
2336 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2338 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2339 (in_struct, return_val): Remove MEM documentation.
2340 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2341 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2342 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2344 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2345 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2346 * expr.c (store_field): Likewise.
2347 * function.c (assign_stack_temp_for_type): Likewise.
2348 * ifcvt.c (noce_try_cmove_arith): Likewise.
2349 * reload1.c (reload): Likewise.
2350 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2351 (alpha_set_memflags): Likewise.
2352 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2354 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2356 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2358 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2359 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2360 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2362 * cselib.c (cselib_rtx_varies_p): Delete.
2363 (cselib_invalidate_mem): Update call to canon_true_dependence.
2364 * dse.c (record_store, check_mem_read_rtx): Likewise.
2365 (scan_reads_nospill): Likewise.
2366 * cse.c (check_dependence): Likewise.
2367 (cse_rtx_varies_p): Delete.
2368 * expr.c (safe_from_p): Update call to true_dependence.
2369 * ira.c (validate_equiv_mem_from_store): Likewise.
2370 (memref_referenced_p): Likewise.
2371 * postreload-gcse.c (find_mem_conflicts): Likewise.
2372 * sched-deps.c (sched_analyze_2): Likewise.
2373 * store-motion.c (load_kills_store): Likewise.
2374 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2375 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2376 (compute_transp): Update call to canon_true_dependence.
2378 2012-01-25 Richard Henderson <rth@redhat.com>
2380 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2381 (maybe_emit_atomic_test_and_set): New.
2382 (expand_sync_lock_test_and_set): Use it.
2383 (expand_atomic_test_and_set): Likewise.
2384 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2385 the implementation; clarify implementation defined details.
2386 * doc/md.texi (atomic_test_and_set): Document.
2388 2012-01-25 Richard Henderson <rth@redhat.com>
2390 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2392 2012-01-25 Richard Henderson <rth@redhat.com>
2395 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2396 to effect no-op split.
2398 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2401 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2402 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2403 (BT_FN_VOID_PTR_INT_SIZE): New.
2404 (BT_FN_UINT_UINT_VAR): Remove.
2405 (BT_FN_UINT32_UINT32_VAR): New.
2406 (BT_FN_DOUBLE_VPTR): Remove.
2407 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2409 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2410 (_ITM_changeTransactionMode): Same.
2411 (_ITM_memmoveRtWt): Change return type to void.
2412 (_ITM_memcpyRtWt): Same.
2413 (_ITM_memsetW): Same.
2414 (_ITM_RaRD): Change types to double.
2419 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2421 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2422 Patrick Marlier <patrick.marlier@gmail.com>
2424 * trans-mem.c (requires_barrier): Do not instrument thread local
2425 variables and emit save/restore for them.
2427 2012-01-24 Jason Merrill <jason@redhat.com>
2430 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2431 output static aliases.
2433 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2436 * common.opt (-pie, -shared, pie, shared): Change from Common to
2438 * gcc.c (display_help): Display help for -pie and -shared.
2440 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2443 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2444 Remove note on size/offset limitation.
2445 (AVR Variable Attributes): Add example how to read data located
2446 with progmem. Refer to named address spaces.
2447 * doc/invoke.texi (AVR Options): Fix typo.
2449 2012-01-24 Richard Guenther <rguenther@suse.de>
2451 Forward-port to trunk
2452 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2455 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2456 op0 isn't sufficiently aligned and there is movmisalignM
2457 insn for mode, use it to load op0 into a temporary register.
2459 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2462 * target.def (const_not_ok_for_debug_p): New hook.
2463 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2465 * doc/tm.texi: Regenerated.
2466 * dwarf2out.c (const_ok_for_output_1): If
2467 targetm.const_not_ok_for_debug_p returns true, fail.
2468 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2470 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2472 2012-01-23 Kai Tietz <ktietz@redhat.com>
2475 * config/i386/predicates.md (symbolic_operand): Allow
2476 UNSPEC_PCREL as PIC expression for lea.
2477 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2478 * config/i386/i386.c (ix86_delegitimize_address): Handle
2479 UNSPEC_PCREL for none-MEM, too.
2481 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2483 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2484 (ipa_tm_create_version_alias): Same.
2486 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2489 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2490 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2492 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2493 Patrick Marlier <patrick.marlier@gmail.com>
2494 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2497 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2498 simple_object_start_read.
2500 2012-01-23 Richard Guenther <rguenther@suse.de>
2503 PR tree-optimization/51895
2504 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2505 parameter decomposition into BLKmode components.
2507 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2509 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2510 fake variables for restrict-qualified pointers whose pointed-to type
2511 contains a placeholder.
2513 2012-01-23 Richard Guenther <rguenther@suse.de>
2515 PR tree-optimization/51949
2516 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2518 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2520 PR rtl-optimization/51933
2521 * ree.c (transform_ifelse): Return true right away if dstreg is
2522 already wider or equal to cand->mode.
2523 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2524 (make_defs_and_copies_lists): Remove defs_list and copies_list
2525 arguments, add state argument, just truncate state->work_list
2526 instead of always allocating and freeing the vector. Assert that
2527 get_defs succeeds instead of returning 2. Changed return type to bool.
2528 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2529 have ext_src_mode, see if it has been modified already with the
2530 right kind of extension and has been extended before from the
2531 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2532 just return true. Remember the original mode in state->modified array.
2533 (combine_reaching_defs): Add state argument. Don't allocate and
2534 free here def_list, copied_list and vec vectors, instead just
2535 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2536 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2537 Add state variable, clear vectors in it, initialize state.modified
2538 if needed. Free all the vectors at the end and state.modified too.
2539 Don't skip a candidate if the extension expression has been modified.
2541 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2544 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2545 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2546 (extra_options) interix.opt -> i386/interix.opt"
2547 (extra_objs):Add winnt-stubs.o
2548 * configure.ac: Add interix to target_os .comm on PE check.
2549 * configure: Regenerate.
2550 * config/interix3.h: Delete and move bits to..
2551 * config/interix.h: Delete and move bits to..
2552 * config/i386/i386-interix3.h: Delete and move bits to..
2553 * config/i386/i386-interix.h: ..here.
2554 (TARGET_CPU_DEFAULT): Remove redefinition.
2555 (TARGET_ASM_CONSTRUCTOR): Undefine.
2556 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2557 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2558 (PTRDIFF_TYPE): Define.
2559 (LONG_DOUBLE_TYPE_SIZE): Define.
2560 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2561 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2562 (TARGET_SECTION_TYPE_FLAGS): Define.
2563 (ASM_DECLARE_FUNCTION_NAME): Define.
2564 (ASM_OUTPUT_EXTERNAL): Define.
2565 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2566 (ASM_OUTPUT_ALIGNED_BSS): Define.
2567 (PCC_BITFIELD_TYPE_MATTERS): Define.
2568 (USE_CONST_SECTION): Define.
2569 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2570 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2571 (SUPPORTS_ONE_ONLY): Remove.
2572 (I386_PE_STRIP_ENCODING): Define.
2573 * config/interix.opt: Delete and move bits to..
2574 * config/i386/interix.opt: ..here. New.
2575 (mpe-aligned-commons): Add.
2576 * config/i386/t-interix: Add copyright header.
2577 (winnt-stubs.o): Add rule.
2579 2012-01-22 Jason Merrill <jason@redhat.com>
2582 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2583 for extra name aliases.
2585 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2587 PR rtl-optimization/51924
2588 * ree.c (combine_set_extension): Improve debugging message.
2589 (combine_reaching_defs): Likewise.
2590 (get_defs): Rename confusingly named variable.
2591 (find_and_remove_re): Skip a candidate if the extension expression has
2594 2012-01-21 Robert Millan <rmh@gnu.org>
2595 Gerald Pfeifer <gerald@pfeifer.com>
2597 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2598 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2600 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2602 PR tree-optimization/51914
2603 * tree-vect-stmts.c (vectorizable_conversion): For
2604 cvt_type && modifier == WIDEN, put temporary with cvt_type
2605 at the beginning of vec_dsts and set vec_dest to temporary
2608 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2610 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2612 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2614 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2615 * config/rs6000/rs6000.c: Likewise.
2617 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2620 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2621 output_move_double on a copy of operands array.
2623 2012-01-20 Cary Coutant <ccoutant@google.com>
2624 Dodji Seketeli <dodji@redhat.com>
2627 * dwarf2out.c (copy_declaration_context): Return ref to parent
2628 of declaration DIE, if necessary.
2629 (remove_child_or_replace_with_skeleton): Add new parameter; update
2630 caller. Place skeleton DIE under parent DIE of original declaration.
2631 Move call to copy_declaration_context to here ...
2632 (break_out_comdat_types): ... from here.
2634 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2636 PR rtl-optimization/51856
2637 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2640 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2643 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2644 hints for neon loads and stores.
2646 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2650 * doc/extend.texi (Named Address Spaces): Split into subsections.
2651 (AVR Named Address Spaces): New subsection.
2652 (M32C Named Address Spaces): New subsection.
2653 (RL78 Named Address Spaces): New subsection.
2654 (SPU Named Address Spaces): New subsection.
2655 (Variable Attributes): New anchor "AVR Variable Attributes".
2656 (AVR Variable Attributes): Rewrite and avoid wording
2657 "address space" in this context.
2658 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2659 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2660 (AVR Built-in Macros): New subsubsection therein.
2661 * doc/md.texi (AVR constraints): Remove "C04", "R".
2663 2012-01-20 Richard Guenther <rguenther@suse.de>
2665 PR tree-optimization/51903
2666 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2667 when removing stmts.
2669 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2672 * config/arm/arm.c (arm_load_pic_register): Use
2673 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2674 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2675 (arm_pic_static_addr): Likewise.
2676 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2677 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2678 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2679 (pic_load_addr_unified): New.
2681 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2684 * function.c (instantiate_virtual_regs_in_insn): Use
2685 delete_insn_and_edges when removing a wrong asm insn.
2687 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2689 PR rtl-optimization/40761
2690 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2691 Add new member loop_num.
2692 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2693 (ira_build): Remove the parameter.
2695 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2696 (ira.c): Do not build CFG loops for one region allocation. Remove
2697 argument from ira_build call.
2699 * ira-build.c (init_loop_tree_node): New function.
2700 (create_loop_tree_nodes): Use it. Separate the case when CFG
2701 loops are not built.
2702 (more_one_region_p): Check current_loops.
2703 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2705 (add_loop_to_tree): Process loop equal to NULL too.
2706 (form_loop_tree): Separate the case when CFG loops are not built.
2707 Use explicitly number for the root.
2708 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2710 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2711 instead of loop->num.
2712 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2713 (mark_all_loops_for_removal): Ditto.
2714 (remove_unnecessary_regions): Separate the case when CFG loops
2716 (ira_build): Remove the parameter. Use explicit number of regions
2717 when CFG loops are not built.
2719 * ira-color.c (print_loop_title): Separate the case for the root node.
2720 Use loop_num instead of loop->num.
2721 (move_spill_restore): Use loop_num instead of loop->num.
2723 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2724 (change_loop): Ditto.
2725 (change_loop): Use loop_num instead of loop->num.
2727 * ira-lives.c (process_bb_node_lives): Ditto.
2729 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2731 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2733 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2736 * tree-mudflap.c (mf_artificial): New function.
2737 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2738 mx_register_decls, mudflap_enqueue_decl): Use it.
2741 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2742 numbers in the insn pattern.
2744 2012-01-19 Michael Matz <matz@suse.de>
2746 PR tree-optimization/46590
2747 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2748 use it in remembering which conflicts we already created.
2749 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2752 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2755 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2756 (merge_and_complain): Same.
2758 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2761 * config/initfini-array.h: Guard content of the header
2762 with #ifdef HAVE_INITFINI_ARRAY.
2763 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2764 Add initfini-array.h to tm_file here.
2765 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2766 * config.gcc: Don't add initfini-array.h to tm_file here.
2767 * configure: Regenerated.
2769 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2771 PR rtl-optimization/51505
2772 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2773 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2774 (df_note_bb_compute): Update the call to df_kill_notes.
2776 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2778 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2780 2012-01-18 Richard Guenther <rguenther@suse.de>
2782 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2783 of conversions to void *.
2785 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2786 Richard Sandiford <rdsandiford@googlemail.com>
2790 * optabs.h (simplify_expand_binop): Declare.
2791 * optabs.c (simplify_expand_binop): Make global.
2792 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2793 endian targets if the source cannot be exactly covered by word
2796 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2799 * hard-reg-set.h (struct hard_reg_set_container): New type.
2800 * target.h (struct hard_reg_set_container): Forward declare.
2801 * target.def (set_up_by_prologue): New target hook.
2802 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2803 * doc/tm.texi: Regenerated.
2804 * function.c (thread_prologue_and_epilogue_insns): Change
2805 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2806 Call targetm.set_up_by_prologue on it.
2807 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2808 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2810 2012-01-17 Nick Clifton <nickc@redhat.com>
2812 * config/rx/rx.c (rx_can_use_simple_return): New function.
2813 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2814 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2816 2012-01-17 Richard Guenther <rguenther@suse.de>
2819 * expr.c (expand_assignment): Take address-space information
2820 from the address operand of MEM_REF and TARGET_MEM_REF.
2821 (expand_expr_real_1): Likewise.
2823 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2825 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2826 reload dump is requested.
2828 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2831 * trans-mem.c (requires_barrier): Call may_be_aliased.
2833 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2835 PR tree-optimization/51877
2836 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2837 call arguments and fndecls compare equal, instead return false if they
2838 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2839 both SSA_NAMEs that are valueized the same, or they satisfy
2842 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2844 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2846 * configure: Regenerate.
2848 2012-01-16 Jan Hubicka <jh@suse.cz>
2852 * convert.c (convert_to_integer): Use fold_convert for
2853 converting an INTEGER_CST to integer type.
2855 2012-01-16 Jason Merrill <jason@redhat.com>
2858 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2860 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2863 * config/s390/s390.c (s390_chunkify_start): Don't skip
2864 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2865 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2866 If insn is followed by NOTE_INSN_VAR_LOCATION or
2867 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2868 Don't use location of note insns.
2870 PR tree-optimization/51865
2871 * tree-inline.c (tree_function_versioning): Call remap_decl
2872 on DECL_RESULT whenever it has VOID_TYPE_P type.
2874 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2876 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2877 for calls to locally-binding MIPS16 functions if only the return
2878 type uses float regs.
2880 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2881 Richard Sandiford <rdsandiford@googlemail.com>
2883 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2884 (SYMBOL_32_HIGH): Likewise.
2885 (mips_output_tls_reloc_directive): Declare.
2886 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2887 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2888 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2889 (mips_lo_relocs, mips_hi_relocs): Make extern.
2890 (mips16_stub_function): Move up file.
2891 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2892 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2893 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2894 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2895 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2896 (mips_get_tp): Add MIPS16 support.
2897 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2898 Generalize DTPREL and TPREL handling.
2899 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2900 Add MIPS16 TLS support.
2901 (mips_output_tls_reloc_directive): New function.
2902 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2903 * config/mips/predicates.md (symbolic_operand_with_high)
2904 (tls_reloc_operand): New predicates.
2905 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2906 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2907 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2908 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2909 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2910 (*tls_get_tp_mips16_call_<mode>): Likewise.
2912 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2914 PR rtl-optimization/51821
2915 * recog.c (peep2_find_free_register): Determine clobbered registers
2918 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2921 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2922 * config/avr/avr.c: Likewise.
2923 * config/avr/avr.h: Likewise.
2925 2012-01-13 Ian Lance Taylor <iant@google.com>
2928 * tree.h (TYPE_QUALS): Add cast to int.
2929 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2931 2012-01-13 Ian Lance Taylor <iant@google.com>
2933 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2934 comparing param_index to VEC_length result.
2936 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2938 * c-decl.c: Do not include tree-mudflap.h
2939 * tree-optimize.c: Likewise.
2940 * Makefile.in: Update dependencies.
2942 2012-01-13 Richard Guenther <rguenther@suse.de>
2945 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2946 variable-sized result always use RSO.
2948 2012-01-12 DJ Delorie <dj@redhat.com>
2950 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2951 pointer type, not just the default pointer type.
2953 2012-01-09 Richard Henderson <rth@redhat.com>
2954 Denis Chertykov <chertykov@gmail.com>
2957 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2958 * config/avr/avr.c (avr_can_eliminate): Simplify.
2959 (avr_initial_elimination_offset): Likewise.
2960 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2961 (expand_epilogue): Likewise.
2962 (avr_legitimize_address): Gut.
2963 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2964 (avr_hard_regno_nregs): New.
2965 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2966 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2967 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2968 add soft frame pointer.
2969 (CALL_USED_REGISTERS): Likewise.
2970 (REG_CLASS_CONTENTS): Likewise.
2971 (REGISTER_NAMES): Likewise.
2972 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2973 (HARD_FRAME_POINTER_REGNUM): New.
2974 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2975 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2976 remove the HARD_FRAME_POINTER self-elimination.
2978 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2981 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2982 DECL_EXTERNAL when checking for initializers of progmem variables.
2984 2012-01-12 Ira Rosen <irar@il.ibm.com>
2986 PR tree-optimization/51799
2987 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2988 that the last operation is a type demotion.
2990 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2992 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2993 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2995 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2998 * combine.c (distribute_notes): If i3 is a noreturn call,
2999 allow old_size to be equal to args_size and make sure the
3000 noreturn call gets REG_ARGS_SIZE note.
3001 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3002 on noreturn calls even when the delta is 0.
3004 2012-01-11 Nathan Sidwell <nathan@acm.org>
3006 * gcov.c (STRING_SIZE): Remove.
3007 (generate_results): Erase annotations for source files with no
3008 coverage information.
3010 (output_lines): Use it.
3012 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3014 * gimple.h (gimplify_body): Remove first argument.
3015 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3016 pointer set here, instead just pass DATA to walk_tree.
3017 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3018 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3019 (unvisit_body): Likewise, but with unmark_visited.
3020 (gimplify_body): Remove BODY_P argument and adjust.
3021 (gimplify_function_tree): Adjust call to gimplify_body.
3022 * omp-low.c (finalize_task_copyfn): Likewise.
3024 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3026 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3027 (build_function_type_skip_args): Delete.
3028 * tree.c (build_function_type_skip_args): Make static and add
3029 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3030 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3031 pass it to build_function_type_skip_args.
3032 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3033 (tree_function_versioning): Likewise.
3034 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3035 build_function_decl_skip_args.
3036 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3037 and pass it to build_function_decl_skip_args/tree_function_versioning.
3038 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3039 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3040 * trans-mem.c (ipa_tm_create_version): Likewise.
3041 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3042 * tree-inline.c (declare_return_variable): Remove always-true test.
3043 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3044 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3045 * ipa-split.c (split_function): Skip the return value for the split
3046 part if it doesn't return.
3048 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3050 PR tree-optimization/49642
3051 * ipa-split.c (forbidden_dominators): New variable.
3052 (check_forbidden_calls): New function.
3053 (dominated_by_forbidden): Likewise.
3054 (consider_split): Check for forbidden dominators.
3055 (execute_split_functions): Initialize and free forbidden
3056 dominators info; call check_forbidden_calls.
3058 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3060 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3062 2012-01-11 Nick Clifton <nickc@redhat.com>
3064 * config/rx/rx.md (return): Define pattern.
3066 2012-01-11 Richard Guenther <rguenther@suse.de>
3068 * doc/extend.texi (malloc attribute): Adjust according to
3071 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3072 Patrick Marlier <patrick.marlier@gmail.com>
3075 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3076 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3077 (ipa_tm_note_irrevocable): Same.
3078 (ipa_tm_scan_irr_block): Same.
3079 (ipa_tm_decrement_clone_counts): Same.
3080 (ipa_tm_scan_irr_function): Same.
3081 (ipa_tm_create_version_alias): Same.
3082 (ipa_tm_create_version): Same.
3083 (ipa_tm_transform_calls_redirect): Same.
3084 (ipa_tm_transform_calls): Same.
3085 (ipa_tm_transform_transaction): Same.
3086 (ipa_tm_execute): Same.
3088 2012-01-10 Richard Guenther <rguenther@suse.de>
3091 * opts.c (common_handle_option): Handle -Werror.
3093 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3095 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3098 2012-01-10 Jason Merrill <jason@redhat.com>
3100 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3103 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3105 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3106 supports R_386_TLS_GD_PLT reloc.
3107 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3108 supports R_386_TLS_LDM_PLT reloc.
3109 * configure: Regenerate.
3110 * config.in: Regenerate.
3112 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3115 Extend __pgmx semantics to linearize memory.
3116 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3117 determine if code comes inline or from libgcc.
3118 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3119 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3120 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3121 (movmemx_qi, movmemx_hi): New insns.
3122 (xload_<mode>_libgcc): Rewrite to new insn condition.
3123 (xload_<mode>): Remove insns.
3124 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3125 cases that don't satisfy avr_xload_libgcc_p().
3126 (avr_addr_space_convert): Allow converting in any direction.
3127 (avr_addr_space_subset_p): Return always true.
3128 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3129 (avr_emit_movmemhi): Ditto.
3130 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3131 (avr_out_movmem): Ditto.
3132 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3133 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3134 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3135 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3136 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3138 2012-01-10 Richard Guenther <rguenther@suse.de>
3140 PR tree-optimization/50913
3141 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3142 Require data-refs to be representable by Graphite with respect
3145 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3147 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3148 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3150 2012-01-10 Tom de Vries <tom@codesourcery.com>
3152 PR rtl-optimization/51271
3153 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3154 handling annulled branch.
3156 2012-01-10 Richard Henderson <rth@redhat.com>
3158 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3159 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3160 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3161 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3162 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3163 arm_expand_vec_perm_const): New.
3164 * config/arm/arm-protos.h: Update.
3165 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3166 (*neon_vswp<VDQX>): New.
3167 (neon_vcombine<VDX>): Use neon_split_vcombine.
3168 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3169 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3170 (vec_perm<VE>): New.
3172 2012-01-10 Richard Henderson <rth@redhat.com>
3174 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3175 use it if reload_completed.
3176 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3177 arm_output_asm_insn, arm_process_output_memory_barrier,
3178 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3179 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3180 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3181 arm_process_output_sync_insn, arm_output_sync_insn,
3182 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3183 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3184 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3185 (emit_unlikely_jump): New.
3186 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3187 (arm_split_atomic_op): New.
3188 * config/arm/arm-protos.h: Update.
3189 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3190 (struct arm_sync_generator): Remove.
3191 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3192 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3193 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3194 (VUNSPEC_LL, VUNSPEC_SC): New.
3195 (sync_result, sync_memory, sync_required_value, sync_new_value,
3196 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3197 (attr length): Don't use arm_sync_loop_insns.
3198 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3199 (movsfcc, movdfcc): Likewise.
3200 * config/arm/constraints.md (Ua): New.
3201 * config/arm/prediates.md (mem_noofs_operand): New.
3202 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3203 (sync_clobber, sync_t2_reqd): Remove.
3204 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3205 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3206 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3207 (arm_sync_compare_and_swap<SIDI>): Remove.
3208 (arm_sync_compare_and_swap<NARROW>): Remove.
3209 (arm_sync_lock_test_and_set<SIDI>): Remove.
3210 (arm_sync_lock_test_and_set<NARROW>): Remove.
3211 (arm_sync_new_<syncop><SIDI>): Remove.
3212 (arm_sync_new_<syncop><NARROW>): Remove.
3213 (arm_sync_new_nand<SIDI>): Remove.
3214 (arm_sync_new_nand<NARROW>): Remove.
3215 (arm_sync_old_<syncop><SIDI>): Remove.
3216 (arm_sync_old_<syncop><NARROW>): Remove.
3217 (arm_sync_old_nand<SIDI>): Remove.
3218 (arm_sync_old_nand<NARROW>): Remove.
3219 (*memory_barrier): Merge arm_output_memory_barrier.
3220 (atomic_compare_and_swap<QHSD>): New.
3221 (atomic_compare_and_swap<NARROW>_1): New.
3222 (atomic_compare_and_swap<SIDI>_1): New.
3223 (atomic_exchange<QHSD>): New.
3224 (cas_cmp_operand, cas_cmp_str): New.
3225 (atomic_op_operand, atomic_op_str): New.
3226 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3227 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3228 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3229 (arm_load_exclusive<NARROW>): New.
3230 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3231 (arm_store_exclusive<QHSD>): New.
3233 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3235 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3236 reload patterns if -mvsx-scalar-memory.
3238 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3239 generated, even -mno-vsx-scalar-double was used.
3240 (vsx_xscvdpsp_scalar): Likewise.
3241 (vsx_xscvspdp_scalar2): Likewise.
3243 2012-01-09 Tom de Vries <tom@codesourcery.com>
3244 Andrew Pinski <apinski@cavium.com>
3247 * reorg.c (fill_slots_from_thread): Don't speculate
3248 frame-related insns.
3250 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3252 * sched-int.h (bb_note): Move to...
3253 * basic-block.h: ...here.
3254 * haifa-sched.c (bb_note): Move to...
3255 * cfgrtl.c: ...here.
3256 * function.c (next_block_for_reg): New function.
3257 (move_insn_for_shrink_wrap): Likewise.
3258 (prepare_shrink_wrap): Rewrite to use the above.
3260 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3262 * gimple.c (is_gimple_non_addressable): Remove.
3263 * gimple.h: Remove is_gimple_non_addressable.
3264 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3265 is_gimple_non_addressable.
3266 * trans-mem.c (expand_assign_tm): Same.
3268 2012-01-09 Richard Guenther <rguenther@suse.de>
3270 PR tree-optimization/51775
3271 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3272 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3274 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3276 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3278 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3280 2012-01-09 Richard Guenther <rguenther@suse.de>
3282 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3284 2012-01-08 Jan Hubicka <jh@suse.cz>
3286 PR tree-optimize/51680
3287 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3288 on when known_vals needs to be computed; cleanup.
3290 2012-01-08 Jan Hubicka <jh@suse.cz>
3292 PR tree-optimize/51694
3293 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3295 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3297 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3298 for -std=c++98 and -std=c++11 too.
3300 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3302 * cfgloop.c (cancel_loop): Add free() of bbs array.
3304 2012-01-07 Jan Hubicka <jh@suse.cz>
3306 PR tree-optimization/51600
3307 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3308 that benefits small functions.
3310 2012-01-07 Jan Hubicka <jh@suse.cz>
3312 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3314 2012-01-07 Jan Hubicka <jh@suse.cz>
3316 PR tree-optimization/51680
3317 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3318 whose inlining reduce unit size.
3320 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3323 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3324 Add canonical node to containing_mem chain after the non-canonical
3325 one, even if there weren't any locs to propagate.
3326 (remove_useless_values): Keep only canonical values.
3327 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3328 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3329 canonicalize mem_chain elements that are not discarded.
3331 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3334 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3335 before emitting functions.
3337 PR gcov-profile/50127
3338 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3339 clear_aux_for_blocks.
3341 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3344 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3346 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3348 * c-decl.c (ext_block): Moved up.
3349 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3351 2012-01-06 Han Shen <shenhan@google.com>
3353 Translate built-in include paths for sysroot.
3354 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3355 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3357 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3358 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3360 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3361 control whether sysroot should be prepended to gxx include dir.
3363 * configure: Regenerate.
3365 2012-01-06 Torvald Riegel <triegel@redhat.com>
3367 PR rtl-optimization/51771
3368 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3369 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3371 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3373 PR tree-optimization/51315
3374 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3375 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3377 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3380 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3381 for shrp pattern. Correctly handle and fixup shift variable.
3382 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3384 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3387 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3388 note when !ACCUMULATE_OUTGOING_ARGS.
3390 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3392 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3394 (extract_range_from_unary_expr_1): Avoid useless computations.
3396 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3398 PR rtl-optimization/51767
3399 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3400 of jump_block and add an extra edge for degenerated asm gotos.
3403 * stmt.c (check_unique_operand_names): Don't ICE during error
3404 reporting if i is from labels chain.
3407 * profile.c (branch_prob): Split bbs that have exit edge
3408 and need a fake entry edge too.
3410 2012-01-05 Jan Hubicka <jh@suse.cz>
3413 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3416 2012-01-05 Richard Guenther <rguenther@suse.de>
3419 * tree-streamer-out.c (write_ts_optimization): New function.
3420 (streamer_write_tree_body): Call it.
3421 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3422 (streamer_read_tree_body): Call it.
3423 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3425 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3428 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3429 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3430 in_cleanup_point_expr before gimplify_stmt call and restore it
3432 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3433 in_cleanup_point_expr is false.
3435 2012-01-05 Richard Guenther <rguenther@suse.de>
3438 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3440 * toplev.c (process_options): Reject combining mudflap and LTO.
3441 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3443 2012-01-05 Richard Guenther <rguenther@suse.de>
3445 PR tree-optimization/51760
3446 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3448 (bit_value_unop): Handle UNDEFINED operands.
3449 (bit_value_binop): Likewise.
3451 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3453 * config/avr/avr.c (avr_replace_prefix): Remove.
3454 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3455 (avr_asm_function_rodata_section): Ditto.
3456 (avr_asm_select_section): Ditto.
3458 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3460 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3463 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3466 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3467 calls that have any non-fake successor edges.
3470 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3472 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3474 PR tree-optimization/51624
3475 * tree-sra.c (build_ref_for_model): When replicating a chain of
3476 COMPONENT_REFs, stop as soon as the offset would become negative.
3478 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3481 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3482 in .debug_loc on the floor.
3484 2012-01-04 Andrew Pinski <apinski@cavium.com>
3486 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3488 2012-01-04 Andrew Pinski <apinski@cavium.com>
3489 Adam Nemet <anemet@caviumnetworks.com>
3491 * config/mips/mips.md (size): Add SI and DI.
3492 (SIZE): New mode attribute.
3493 (U): New code attribute.
3494 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3495 (mips_lbux_<mode>): Delete.
3496 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3497 (mips_lhx): Use gen_mips_lhx_extsi.
3498 (mips_lhx_<mode>): Delete.
3500 (mips_l<size>x): New expand.
3501 (mips_lwx_<mode>): Delete.
3502 (mips_l<GPR:size>x_<P:mode>): New pattern.
3503 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3504 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3505 * config/mips/mips.c (mips_lx_address_p): New function.
3506 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3507 (dsp64): New availability predicate.
3508 (mips_builtins): Add an entry for __builtin_mips_ldx.
3509 * config/mips/mips.h (ISA_HAS_LBX): New define.
3510 (ISA_HAS_LBUX): Likewise.
3511 (ISA_HAS_LHX): Likewise.
3512 (ISA_HAS_LHUX): Likewise.
3513 (ISA_HAS_LWX): Likewise.
3514 (ISA_HAS_LWUX): Likewise.
3515 (ISA_HAS_LDX): Likewise.
3516 * doc/extend.texi (__builtin_mips_ldx): Document.
3518 2012-01-04 Tristan Gingold <gingold@adacore.com>
3520 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3521 when long pointers are used.
3522 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3523 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3524 (ia64-hp-*vms*): Remove.
3525 * config/vms/xm-vms64.h: Delete.
3527 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3530 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3532 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3534 * opts.c (finish_options): Remove duplicate sorry.
3536 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3539 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3542 2012-01-04 Richard Guenther <rguenther@suse.de>
3545 * tree.c (size_low_cst): New function.
3546 * tree.h (size_low_cst): Declare.
3547 * fold-const.c (fold_comparison): Use it to extract the low
3548 part of the POINTER_PLUS_EXPR offset.
3550 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3552 Fix clearing ZERO_REG
3553 * config/avr/avr.md (cc): Add alternative "ldi".
3554 (movqi_insn): Use it in cc attribute.
3555 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3556 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3557 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3559 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3561 * configure: Regenerate.
3563 2012-01-04 Richard Guenther <rguenther@suse.de>
3565 PR tree-optimization/49651
3566 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3567 (var_can_have_subvars): Use it.
3568 (get_constraint_for_1): Only consider subfields if there can be any.
3570 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3573 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3574 to its new canonical_cselib_val and the cselib_val was in
3575 first_containing_mem chain, but the canonical_cselib_val was not,
3576 add the latter into the chain.
3577 (cselib_invalidate_mem): Compare canonical_cselib_val of
3578 addr_list chain elt with v.
3581 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3582 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3584 (output_macinfo_op): Don't ggc_strdup fd->filename.
3585 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3586 then ggc_strdup it. Don't free inc->info or cur->info.
3587 (output_macinfo): Don't free ref->info or file->info.
3589 2012-01-03 Ira Rosen <irar@il.ibm.com>
3591 PR tree-optimization/51269
3592 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3593 first_niters a pointer.
3594 (slpeel_tree_peel_loop_to_edge): Likewise.
3595 (vect_do_peeling_for_loop_bound): Update call to
3596 slpeel_tree_peel_loop_to_edge.
3597 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3598 here. Remove it from the parameters list.
3599 (vect_do_peeling_for_alignment): Update calls and compute
3602 2012-01-03 Richard Guenther <rguenther@suse.de>
3604 PR tree-optimization/51070
3605 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3606 Properly handle calls.
3608 2012-01-03 Richard Guenther <rguenther@suse.de>
3610 PR tree-optimization/51692
3611 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3612 the LHS of allocation stmts.
3614 2012-01-03 Olivier Hainque <hainque@adacore.com>
3616 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3618 2012-01-03 Olivier Hainque <hainque@adacore.com>
3620 * collect2.c (main): In AIX specific computations for vector
3621 insertions, use CONST_CAST2 to cast from char ** to const char **.
3623 2012-01-03 Richard Guenther <rguenther@suse.de>
3626 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3627 the context of a limbo DIE when it does not already exist.
3629 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3631 PR tree-optimization/51719
3632 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3633 but direct call is, clear direct call's lhs and don't add fallthrough
3634 edge from dcall_bb to join_bb and PHIs.
3636 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3638 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3639 the instructions emitted by the pattern.
3640 ("*TDC_insn_<mode>"): Add comment.
3642 2012-01-03 Richard Guenther <rguenther@suse.de>
3645 * fold-const.c (fold_comparison): Properly canonicalize
3646 tree offset and HOST_WIDE_INT bit position.
3648 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3650 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3651 operands for extzv pattern.
3653 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3656 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3659 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3661 * doc/invoke.texi (-flto and related options): Copy-edit.
3663 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3665 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3667 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3669 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3672 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3674 * expr.h (move_by_pieces_ninsns): Declare.
3675 * expr.c (move_by_pieces_ninsns): Make external.
3676 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3677 (mips_store_by_pieces_p): Likewise.
3678 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3679 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3680 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3681 (mips_store_by_pieces_p): Likewise.
3683 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3685 * passes.c (register_one_dump_file): Free full_name.
3687 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3688 (calculate_elim_costs_all_insns): Free offsets_at and
3689 offsets_known_at at the end and clear the pointers.
3691 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3693 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3694 this option introduced in r180739.
3696 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3699 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3700 (tmake_file target=avr): Add avr/t-multilib.
3702 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3703 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3704 * config/avr/genmultilib.awk: New file.
3705 * config/avr/t-multilib: New auto-generated file.
3706 * config/avr/multilib.h: New auto-generated file.
3707 * config/avr/t-avr (AVR_MCUS): New variable.
3708 (genopt.sh): Use it.
3709 (s-mlib): Depend on t-multilib.
3710 (t-multilib, multilib.h): New dependencies.
3711 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3712 (MULTILIB_OPTIONS): Remove.
3713 (MULTILIB_MATCHES): Remove.
3714 (MULTILIB_DIRNAMES): Remove.
3715 (MULTILIB_EXCEPTIONS): Remove:
3716 * config/avr/genopt.sh: Don't use hard coded file name;
3717 pass AVR_MCUS from t-avr instead.
3719 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3721 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3723 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3725 Implement light-weight DImode support.
3726 * config/avr/avr-dimode.md: New file.
3727 * config/avr/avr.md: Include it.
3728 (adjust_len): Add plus64, compare64.
3729 (HIDI): Remove code iterator.
3730 (code_stdname): New code attribute.
3731 (rotx, rotsmode): Remove DI.
3732 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3734 * config/avr/avr-protos.h (avr_have_dimode): New.
3735 (avr_out_plus64, avr_out_compare64): New.
3736 * config/avr/avr.c (avr_out_compare): Handle DImode.
3737 (avr_have_dimode): New variable definition and initialization.
3738 (avr_out_compare64, avr_out_plus64): New functions.
3739 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3740 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3741 (avr_compare_pattern): Skip DImode comparisons.
3743 2012-01-02 Revital Eres <revital.eres@linaro.org>
3745 * ddg.c (def_has_ccmode_p): New function.
3746 (add_cross_iteration_register_deps,
3747 create_ddg_dep_from_intra_loop_link): Call it.
3749 2012-01-02 Richard Guenther <rguenther@suse.de>
3752 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3754 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3756 * gcc.c (process_command): Update copyright notice dates.
3757 * gcov.c (print_version): Likewise.
3758 * gcov-dump.c (print_version): Likewise.
3759 * mips-tfile.c (main): Likewise.
3760 * mips-tdump.c (main): Likewise.
3762 2012-01-01 Ira Rosen <irar@il.ibm.com>
3764 PR tree-optimization/51704
3765 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3766 a use is inside the basic block or loop before accessing its vect info.
3768 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3770 PR rtl-optimization/51069
3771 * cfgloopmanip.c (remove_path): Removing path making irreducible
3772 region unconditional makes BB part of the region.
3774 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3776 PR tree-optimization/51683
3777 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3778 calls with side-effects.
3779 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3781 Copyright (C) 2012 Free Software Foundation, Inc.
3783 Copying and distribution of this file, with or without modification,
3784 are permitted in any medium without royalty provided the copyright
3785 notice and this notice are preserved.