1 2012-03-07 Richard Guenther <rguenther@suse.de>
3 * coverage.c (get_gcov_type): Use type_for_mode.
4 (get_gcov_unsigned_t): Likewise.
5 * expr.c (store_constructor): Use type_for_mode.
6 (try_casesi): Likewise.
7 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size):
9 (add_standard_iv_candidates): Use standard type trees.
10 * dojump.c (do_jump): Remove dead code.
12 2012-03-07 Richard Guenther <rguenther@suse.de>
14 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
16 2012-03-07 Richard Guenther <rguenther@suse.de>
18 * convert.c (strip_float_extensions): Move ...
19 * tree.c (strip_float_extensions): ... here.
21 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
24 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
26 2012-03-07 Richard Guenther <rguenther@suse.de>
28 * omp-low.c (extract_omp_for_data): Use signed_type_for.
29 (expand_omp_for_generic): Likewise.
30 (expand_omp_for_static_nochunk): Likewise.
31 (expand_omp_for_static_chunk): Likewise.
32 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
33 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
34 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
35 Use unsigned_type_for.
36 (vect_create_cond_for_align_checks): Use signed_type_for.
38 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
40 PR rtl-optimization/52203
41 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
42 all callers to pass NULL except ...
43 (reset_sched_cycles_in_current_ebb): ... here, save the value
44 in new variable 'empty'. Increase issue_rate only for
47 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
50 * Makefile.in: Let install-gcc-ar depend on installdirs, gcc-ar$(exeext),
51 gcc-nm$(exeext), gcc-ranlib$(exeext).
52 Don't double canonicalize if cross-compiling.
54 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
57 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
58 to: RAMPZ, RAMPY, RAMPX, RAMPD.
59 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
61 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
64 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
66 * config/avr/avr.md (xload_8): Adjust insn length.
68 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
71 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
72 if RAMPZ affects reading from RAM.
74 2012-03-07 Richard Guenther <rguenther@suse.de>
78 * doc/invoke.texi (Precompiled Headers): Remove sentence that
79 suggests you can include PCHs from inside another header.
81 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
84 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
86 2012-03-07 Kai Tietz <ktietz@redhat.com>
88 * doc/invoke.texi (fwritable-relocated-rdata): Document
89 new Cygwin/MinGW target option.
90 * config/i386/winnt.c (i386_pe_unique_section): Ignore
91 reloc if flag -fwritable-relocated-rdata is not set.
92 (i386_pe_section_type_flags): Likewise.
93 * config/i386/cygming.opt (fwritable-relocated-rdata):
94 Add new flag variable flag_writable_rel_rdata.
96 2012-03-07 Richard Guenther <rguenther@suse.de>
98 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
99 precision against gimple constraints.
101 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
104 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
106 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
107 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
109 (init_emit_regs): Move associated initialization to...
110 (init_emit_once): ...here.
112 2012-03-06 Richard Henderson <rth@redhat.com>
114 * config/m68k/m68k.h (ISA_HAS_TAS): New.
115 * config/m68k/sync.md (atomic_test_and_set): Use it.
116 (atomic_test_and_set_1): Likewise.
118 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
121 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
122 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
123 (vector_ltgt<mode>): Likewise.
124 (vector_ordered<mode>): Likewise.
125 (vector_unordered<mode>): Likewise.
126 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner):
129 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
131 * trans-mem.c: New typedef for tm_region_p.
132 Define vector types for tm_region_p.
133 (tm_region_init): Replace region_worklist to a vector called
136 2012-03-06 Richard Guenther <rguenther@suse.de>
138 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
139 MEM_REF with constant pointer operand.
141 2012-03-06 Richard Guenther <rguenther@suse.de>
144 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
146 2012-03-06 Tristan Gingold <gingold@adacore.com>
148 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
150 (external_model_kind): Improve documentation.
151 (vms_pragma_extern_model): Handle relaxed_redef.
152 (vms_c_register_pragma): Allow expansion for nomember_alignment.
154 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
156 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
157 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
158 Some more notes on EIND usage and reorder EIND subsection.
160 2012-03-06 Tristan Gingold <gingold@adacore.com>
162 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
163 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
165 2012-03-06 Tristan Gingold <gingold@adacore.com>
167 * config/vms/t-vmsnative (version): Define.
168 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
170 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
172 PR rtl-optimization/52250
173 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
174 to put note list into. Unconditionally call move_bb_info.
175 (move_bb_info): Do not assert the blocks being in the same region,
176 just drop the note list if they are not.
178 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
181 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
182 and use unified expansion logic.
183 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
184 closer to the existing movt insn.
185 (negc): Rename insn to *negc. Add new expander.
186 (movnegt): Use xor pattern for T bit negation. Reserve helper
187 constant for negc pattern.
188 (*movnegt): New insn and splitter.
190 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
192 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
195 2012-03-05 Richard Henderson <rth@redhat.com>
197 * genemit.c (main): Include "target.h" in insn-emit.c.
198 * Makefile.in (insn-emit.o): Depend on TARGET_H.
199 * config/sh/sync.md (atomic_test_and_set): Reference
200 targetm.atomic_test_and_set_trueval instead of
201 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
203 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
205 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
208 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
210 * langhooks.c (add_builtin_type): New function.
211 * langhooks.h (add_builtin_type): Export it.
212 * config/mep/mep.c (mep_init_builtins): Use it.
213 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
215 2012-03-05 Jakub Jelinek <jakub@redhat.com>
218 * tree.h (BLOCK_SAME_RANGE): Define.
219 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
220 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
221 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
222 isn't equal to supercontext fragment's fragment chain.
223 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
225 (blocks_nreverse_all): Likewise.
226 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
227 BLOCK_SUPERCONTEXT to supercontext fragment instead of
228 supercontext fragment's fragment origin.
229 * dwarf2out.c (add_high_low_attributes): If stmt has the same
230 range as its parent (or parents thereof etc.), use the parent's
231 DW_AT_ranges value instead of creating a new .debug_ranges range.
233 2012-03-05 Richard Henderson <rth@redhat.com>
236 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
237 * omp-low.c (expand_omp_atomic): Assume anything aligned to
238 BIGGEST_ALIGNMENT is aligned.
240 2012-03-05 Richard Henderson <rth@redhat.com>
242 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
243 * config/sh/sh.c: ... here.
245 2012-03-05 Richard Henderson <rth@redhat.com>
248 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
249 instead of calling negqi2 directly.
251 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
254 * trans-mem.c (tm_region_init): Use last_basic_block.
256 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
258 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
259 * config/sh/sync.md (atomic_test_and_set): New expander.
260 (tasb, atomic_test_and_set_soft): New insns.
261 * config/sh/sh.opt (menable-tas): New option.
262 * doc/invoke.texi (SH Options): Document it.
264 2012-03-05 Richard Guenther <rguenther@suse.de>
266 * cfgloop.c (verify_loop_structure): Verify dominators before
268 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
269 dominators from here.
270 * graphite-scop-detection.c (create_sese_edges): Likewise.
271 * loop-doloop.c (doloop_optimize_loops): Likewise.
272 * loop-init.c (loop_optimizer_init): Likewise.
273 * loop-unroll.c (unroll_and_peel_loops): Likewise.
274 * loop-unswitch.c (unswitch_loops): Likewise.
275 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
276 * tree-parloops.c (parallelize_loops): Likewise. Verify
277 only when checking is enabled.
278 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
280 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
282 * genautomata.c (parse_automata_opt): New static function.
283 (initiate_automaton_gen): Remove all option handling code. Remove
284 argc argument. All callers changed.
285 (main): Call init_rtx_reader_args_cb with the new function as
288 2012-03-05 Richard Guenther <rguenther@suse.de>
290 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
291 * tree-if-conv.c (combine_blocks): Free post-dominator info
293 * tree-parloops.c (create_parallel_loop): Free and re-compute
294 dominator info after breaking it.
296 2012-03-05 Richard Guenther <rguenther@suse.de>
299 * optabs.h (trapv_unoptab_p): New function.
300 (trapv_binoptab_p): Likewise.
301 * optabs.c (expand_binop): Use emit_libcall_block_1 with
302 a proper equiv_may_trap argument.
303 (expand_unop): Likewise.
304 (emit_libcall_block_1): Take extra argument whether the
305 instruction may trap. Renamed from ...
306 (emit_libcall_block): ... this. New wrapper.
308 2012-03-05 Jakub Jelinek <jakub@redhat.com>
310 PR tree-optimization/51721
311 * tree-vrp.c (register_edge_assert_for_2): If comparing
312 lhs of right shift by constant with an integer constant,
313 add ASSERT_EXPRs for the rhs1 of the right shift.
315 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
317 2012-03-05 Richard Guenther <rguenther@suse.de>
319 * tree.c (integer_zerop): Handle VECTOR_CSTs.
320 (integer_onep): Likewise.
321 (integer_all_onesp): Likewise.
323 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
325 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
327 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
329 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
330 instead of TARGET_64BIT.
332 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
334 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
337 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
339 * config/i386/i386.c (ix86_print_operand_address): Only handle
340 zero-extended DImode addresses.
342 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
344 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
345 taken and cputaken as bool.
347 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
349 * config/i386/constraints.md (Ya): New internal constraint.
350 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
351 (*zero_extendsidi2_rex64): Add x,x alternative.
352 (*zero_extendsidi2): Ditto. Add o,0 alternative.
353 Remove flags reg clobber. Adjust corresponding splits.
354 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
355 zero_extendqisi2 expanders using SWI12 mode iterator.
356 (zero_extend<mode>si2_and): Macroize insn from
357 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
359 (*zero_extend<mode>si2): Macroize insn from
360 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
361 (*zero_extend*2_movzbl_and): Remove insn patterns.
362 (zero_extendqihi2_and): Merge corresponding splitter.
363 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
364 (*zero_extend*2_movzbl_and): Remove insn patterns.
365 (*anddi_1): Split TYPE_IMOVX instructions.
366 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
368 (and->zext splitter): Add splitter pattern.
369 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
371 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
373 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
375 (Debugging Options): Likewise.
376 (Optimize Options): Likewise.
377 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
378 with other architectures. Use official processor names with correct
379 spelling/capitalization. Fix formatting and grammar issues.
380 (i386 and x86-64 Windows Options): Similar cleanup here.
382 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
384 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
386 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
388 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
391 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
393 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
394 operand is CONST_INT. Take COSTS_N_INSNS into account.
395 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
398 2012-03-02 Richard Henderson <rth@redhat.com>
400 * optabs.c (expand_atomic_test_and_set): Honor
401 atomic_test_and_set_trueval even when atomic_test_and_set
404 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
408 * config/sh/sh.c (sh_register_move_cost): Increase cost between
409 GENERAL_REGS and FP_REGS for SImode.
411 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
414 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
415 (absdi2): New expander.
416 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
418 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
420 * config/sh/sync.md (atomic_exchange<mode>): New expander.
421 (atomic_exchange<mode>_soft): New insn.
423 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
425 * config/sh/sync.md: Update copyright notice dates.
426 (atomic_compare_and_swap<mode>): Use SImode for return value instead
428 (atomic_compare_and_swap<mode>_soft): Likewise.
430 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
433 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
434 * config/sh/sh.c: Update copyright notice dates.
435 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
436 alignment for TARGET_HARD_SH4.
437 (sh_option_override): Reduce default function alignment. Set
438 loop alignment to 4 bytes when not optimizing for size.
440 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
443 * doc/invoke.texi (floop-flatten): Remove.
444 * toplev.c (process_options): Remove references to flag_loop_flatten.
445 * tree-ssa-loop.c (gate_graphite_transform): Same.
446 * common.opt (floop-flatten): Obsolete.
447 * graphite-poly.c (apply_poly_transforms): Remove reference to
449 * Makefile.in (graphite-flattening.o): Remove.
450 * graphite-flattening.c: Remove.
452 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
454 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
455 having mode compatible with the mode of previous compare. Substitute
456 compare mode of previous compare with the mode, compatible
457 with eliminated and previous compare.
459 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
461 * config/rs6000/dfp.md (floatdidd2): New define_insn.
463 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
465 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
466 compatible with CCGOCmode and CCGCmode.
468 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
470 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
472 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
474 * config/arm/arm.c (arm_sat_operator_match): New function.
475 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
476 * config/arm/arm.md ("insn" attribute): Add "sat" value.
477 ("SAT", "SATrev"): New code iterators.
478 ("SATlo", "SAThi"): New code iterator attributes.
479 ("*satsi_<SAT:code>"): New pattern.
480 ("*satsi_<SAT:code>_shift"): Likewise.
481 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
482 and "shift" attributes.
483 ("arm_usatsihi"): Add "insn" attribute.
484 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
485 by powers of two. Do not allow shift by 32.
487 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
490 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
491 to pass the argument in the register of "natural" mode.
493 2012-03-02 Richard Guenther <rguenther@suse.de>
495 PR tree-optimization/52406
496 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
497 (struct indices): Add unconstrained_base member.
498 (struct dr_alias): Remove unused vops member.
499 (DR_UNCONSTRAINED_BASE): New define.
500 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
501 add indices to allow their disambiguation. Make DR_BASE_OBJECT
502 be an artificial access that covers the whole indexed object,
503 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
504 plain decl base-objects to their MEM_REF variant.
505 (dr_may_alias_p): When the base-object of either data reference
506 has unknown size use only points-to information.
507 (compute_affine_dependence): Make dumps easier to read and
509 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
510 DR_REF when looking for packed references.
511 (vect_supportable_dr_alignment): Likewise.
513 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
515 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
516 Improve conditions for peepholes of loads followed by commutative
518 * config/arm/ldmstm.md: Regenerated.
520 2012-03-02 Richard Guenther <rguenther@suse.de>
522 * BASE-VER: Set to 4.8.0.
524 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
526 * config.gcc (obsolete): Add all ARM targets using the FPA.
527 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
528 * doc/install.texi: Avoid references to obsolete ARM ports.
530 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
532 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
534 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
535 Joern Rennecke <joern.rennecke@embecosm.com>
537 * doc/extend.texi: Expand and update information on interrupt
538 attribute for Epiphany.
540 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
542 * config/sh/sh-protos.h: Update copyright notice dates.
543 * config/sh/sh.h: Likewise.
544 * config/sh/sh.md: Likewise.
545 * config/sh/constraints.md: Likewise.
546 * config/sh/predicates.md: Likewise.
548 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
550 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
551 * config/sh/sh.c (tertiary_reload_operand): Likewise.
553 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
555 * config/sh/constraints.md: Fix comment typo.
557 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
560 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
561 unsigned HOST_WIDE_INT.
562 (zvdep_imm64): Likewise.
563 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
564 (vdepi_and): Likewise.
565 Likewise for unamed 64-bit patterns.
566 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
568 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
571 PR rtl-optimization/52417
572 * cselib.c (cselib_any_perm_equivs): New variable.
573 (cselib_reset_table): Check that it's not set when not
574 preserving constants.
575 (cselib_add_permanent_equiv): Set it.
576 (cselib_have_permanent_equivalences): New.
577 (cselib_init, cselib_finish): Reset it.
578 * cselib.h (cselib_have_permanent_equivalences): Declare.
579 * alias.c (get_addr): Restore earlier behavior when there
580 aren't permanent equivalences.
582 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
584 * config/mn10300/mn10300-modes.def: Fix copyright notice.
585 * config/v850/v850-modes.def: Fix copyright notice.
587 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
589 * doc/extend.texi (AVR Built-in Functions): Document
590 __builtin_avr_flash_segment.
592 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
593 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
594 (*split.flash_segment): New insn-and-split.
595 * config/avr/avr.c (avr_init_builtins): Add local variables:
596 const_memx_void_node, const_memx_ptr_type_node,
597 char_ftype_const_memx_ptr.
599 2012-03-01 Jakub Jelinek <jakub@redhat.com>
601 PR tree-optimization/52445
602 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
603 add ssa_name_ver, offset and size fields and change store field
605 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
606 (add_or_mark_expr): Likewise. Only consider previous stores
607 with the same size and offset.
608 (nt_init_block): Only look at gimple_assign_single_p stmts,
609 doesn't look at rhs2.
611 2012-03-01 Richard Guenther <rguenther@suse.de>
614 * tree-cfg.c (verify_gimple_assign_unary): Allow any
615 conversions from integral types to pointer types.
617 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
619 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
620 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
621 unintentionally removed in r184616.
623 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
625 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
628 2012-02-29 Jakub Jelinek <jakub@redhat.com>
629 Uros Bizjak <ubizjak@gmail.com>
632 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
633 alternatives, add "e" constraint to the new last alternative
634 and ! to last 3 alternatives.
636 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
638 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
639 DW_AT_artificial attributes at the end of the processing.
640 (gen_array_type_die): Likewise.
641 (gen_enumeration_type_die): Likewise.
642 (gen_struct_or_union_type_die): Likewise.
643 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
646 2012-02-29 Jakub Jelinek <jakub@redhat.com>
649 * expr.c (expand_assignment): If doing misaligned store that doesn't
650 cover all mode bits, perform a RMW cycle.
652 PR tree-optimization/52429
653 * tree-parloops.c (separate_decls_in_region_debug): Return early
654 if var is LABEL_DECL.
656 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
658 PR tree-optimization/52424
659 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
660 calling dom_thread_across_edge.
662 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
664 * config/avr/avr.c: Move definition of TARGET macros to end of file.
666 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
668 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
669 * config/avr/avr.c (avr_output_bld): Remove unused function.
670 (avr_out_sbxx_branch): Use "%T" to print bit position.
672 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
674 * config/avr/avr.md: Untabify.
676 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
678 * config/avr/avr.md (eqne): New code iterator.
679 (*dec-and-branchsi): Use it in text peephole's condition.
680 (*dec-and-branchhi): Ditto.
681 (*dec-and-branchqi): Ditto.
683 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
686 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
687 the device does not have the skip-bug.
689 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
691 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
692 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
693 -mpretend-cmove): New.
695 2012-02-29 Jakub Jelinek <jakub@redhat.com>
698 * df.h (struct df_d): Adjust comment that hard_regs_live_count
699 doesn't count DEBUG_INSN refs.
700 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
703 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
707 2012-02-20 Richard Guenther <rguenther@suse.de>
708 PR tree-optimization/52298
709 * tree-vect-stmts.c (vectorizable_load): Properly use
710 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
713 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
716 * gimple.h (gimple_in_transaction): New.
717 (gimple_set_in_transaction): New.
718 (struct gimple_statement_base): Add in_transaction field.
719 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
721 (tree_ssa_lim_initialize): Compute transaction bits.
722 * tree.h (compute_transaction_bits): Protoize.
723 * trans-mem.c (tm_region_init): Use the heap to store BB
725 (compute_transaction_bits): New.
727 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
729 * gcc.c (display_help): Document --help=common and sort entries
732 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
734 * doc/install.texi: Document check-$LANG specific shortcuts
736 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
739 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
741 * config/arm/arm_neon.h: Regenerate.
742 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
743 (neon_vcgeu): New insn.
744 (neon_vcgtu): Likewise.
745 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
746 (ops): Unsigned comparison intrinsics call a different builtin.
748 2012-02-28 Richard Guenther <rguenther@suse.de>
751 * config/i386/i386.c (ix86_expand_vector_set): Fix element
752 ordering for the VEC_CONCAT for two element vectors for
753 V2SFmode, V2SImode and V2DImode.
755 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
758 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
759 detecting big-endian triplets.
761 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
763 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
764 mode if there is no type information available.
766 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
768 PR tree-optimization/53207
769 * doc/invoke.texi: Document as experimental and relying on graphite.
771 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
773 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
774 of initializer to changes from r184614.
776 2012-02-28 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/52395
779 * tree-sra.c (build_ref_for_offset): Also look at the base
780 TYPE_ALIGN when figuring out the alignment of the replacement.
782 2012-02-28 Richard Guenther <rguenther@suse.de>
784 PR tree-optimization/52402
785 * ipa-prop.c (ipa_modify_call_arguments): Properly use
786 mis-aligned types when creating the accesses at the call site.
788 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
790 * config/avr/builtins.def: New file.
791 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
792 * config/avr/avr.c (enum avr_builtin_id): Use it.
793 (avr_init_builtins): Use it. And use avr_bdesc.
794 (bdesc_1arg): Remove.
795 (bdesc_2arg): Remove.
796 (bdesc_3arg): Remove.
797 (struct avr_builtin_description): Add field n_args.
798 (avr_bdesc): New static variable using builtins.def.
799 (avr_expand_builtin): Use it.
800 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
801 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
802 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
804 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
807 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
808 match only one single hard register with respective hard reg rtx.
809 (movmemx_<mode>): Ditto.
810 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
811 insn anatomy of movmem[x]_<mode>.
812 (avr_out_movmem): Same for printing assembler and operand usage.
814 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
818 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
819 address spaces located outside of device flash.
821 * config/avr/avr.h (base_arch_s): Remove field n_segments.
822 (mcu_type_s): Add field n_flash.
823 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
824 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
825 (AVR_MCU): Add N_FLASH argument.
826 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
827 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
828 macro __FLASH<n> if that address space makes sense for the device.
829 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
830 outside of target flash.
831 (avr_asm_named_section): Ditto.
832 (avr_asm_select_section): Ditto.
833 (avr_addr_space_convert): Ditto.
834 (avr_emit_movmemhi): Ditto.
835 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
836 address space is outside of device flash.
837 (avr_insert_attributes): Ditto.
838 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
839 avr_current_arch->n_segments.
841 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
844 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
845 (*movabs<mode>_2): Likewise.
847 2012-02-27 Jakub Jelinek <jakub@redhat.com>
850 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
851 s_register_operand in the test instead of REG_P. Don't call
852 gen_reg_rtx if it won't be used.
854 PR tree-optimization/52376
855 * ipa-split.c (split_function): Ignore CLOBBER stmts.
857 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
859 * ifcvt.c (noce_get_condition): Check condition variable is not
860 small_register_classes_for_mode_p before accepting.
862 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
864 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
866 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
869 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
870 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
872 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
874 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
876 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
878 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
880 * config/sh/predicates.md: Remove blank lines.
881 * config/sh/sh.c: Fix typos in comments.
882 * config/sh/constraints.md: Likewise.
883 * config/sh/sh.md: Remove blank lines.
884 Fix typos in comments. Use ;; as comment characters.
886 2012-02-26 Walter Lee <walt@tilera.com>
888 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
889 (replace_mov_pcrel_step2): Ditto.
891 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
894 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
895 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
896 and locs that reference values newer than the non-canonical value
897 at hand. Return the canonical value as a worst case.
898 (memrefs_conflict_p): Walk canonical value's locs.
901 * cselib.c (preserve_only_constants): Rename to...
902 (preserve_constants_and_equivs): ... this. Split out...
903 (invariant_or_equiv_p): ... this. Preserve plus expressions
904 of other preserved expressions too.
905 (cselib_reset_table): Adjust.
906 * var-tracking.c (reverse_op): Use canonical value to build
909 2012-02-23 Kai Tietz <ktietz@redhat.com>
911 * config/i386/i386.c (ix86_delegitimize_address): Handle
912 UNSPEC_PCREL plus displacement.
914 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
917 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
918 to test for unusedness in st X addressing.
920 2012-02-24 Richard Guenther <rguenther@suse.de>
923 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
924 (is_gimple_reg_type): Move inline ...
925 * gimple.h (is_gimple_reg_type): ... here.
927 2012-02-24 Richard Guenther <rguenther@suse.de>
930 * passes.c (execute_function_todo): When verifying SSA form
931 verify gimple form first.
932 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
934 2012-02-24 Richard Guenther <rguenther@suse.de>
937 * fold-const.c (fold_addr_of_array_ref_difference): New function.
938 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
940 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
942 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
944 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
946 * tree-phinodes.c (make_phi_node): Mark static.
947 * tree-flow.h (make_phi_node): Remove extern decl.
948 * doc/gimple.texi (make_phi_node): Remove documentation.
950 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
952 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
953 * tree-ssa-sccvn.c (print_scc): Ditto.
955 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
957 * doc/passes.texi (Full redundancy elimination): Fix typo.
959 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
961 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
963 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
966 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
968 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
971 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
973 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
975 * config/avr/avr.md (code_stdname): Add ior, xor.
976 (xior): New code iterator.
977 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
978 (*<code_stdname><mode>qi.byte1-3): Ditto.
980 2012-02-23 Jakub Jelinek <jakub@redhat.com>
982 PR tree-optimization/52019
983 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
986 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
988 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
989 HAVE_INITFINI_ARRAY to work around namespace pollution in
990 certain versions of newlib system headers.
991 * config.in: Regenerate.
992 * configure: Regenerate.
993 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
994 instead of HAVE_INITFINI_ARRAY.
996 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
999 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1000 is not offsettable memory reference.
1002 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1005 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1006 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1008 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1010 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1011 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1013 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1015 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1016 library on Solaris 8 even without TLS support.
1017 * configure: Regenerate.
1019 2012-02-22 Richard Guenther <rguenther@suse.de>
1022 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1023 for GIMPLE_DEBUG stmts.
1025 2012-02-22 Martin Jambor <mjambor@suse.cz>
1028 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1029 according to the base object.
1031 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1033 PR rtl-optimization/50063
1034 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1035 and 2 (8-bit SP) in operand 2.
1036 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1037 setup to use movhi_sp_r instead of vanilla move to write SP.
1038 Adjust REG_CFA notes to superseed unspec.
1039 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1041 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1042 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1043 irq_state 1 (IRQ known to be on) here.
1045 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1047 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1049 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1050 assign_hard_reg): Likewise.
1052 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1054 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1056 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1059 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1060 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1062 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1064 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1065 prototype from here to...
1066 * config/avr/avr.h: ...here.
1068 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1071 * thumb2.md (thumb2_shiftsi3_short): Split register and
1072 immediate shifts. For register shifts tie operands 0 and 1.
1073 (peephole2 for above): Check that register-controlled shifts
1074 have suitably tied operands.
1076 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1079 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1080 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1081 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1082 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1083 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1084 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1085 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1086 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1087 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1088 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1089 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1090 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1091 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1092 bdver1_ssevector_avx256_unaligned_load,
1093 bdver1_ssevector_sse128_unaligned_load,
1094 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1095 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1096 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1097 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1098 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1099 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1100 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1101 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1102 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1103 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1104 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1105 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1106 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1107 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1108 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1109 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1110 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1111 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1112 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1113 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1114 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1115 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1116 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1117 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1118 bdver1_ssediv_double_load, bdver1_ssediv_double,
1119 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1120 Add "bdver2" attribute.
1122 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1124 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1125 default if possible and not specified otherwise.
1127 2012-02-21 Richard Guenther <rguenther@suse.de>
1130 * gimplify.c (create_tmp_from_val): Use the main variant type
1131 for the type of the temporary we create.
1133 2012-02-21 Richard Guenther <rguenther@suse.de>
1135 PR tree-optimization/52324
1136 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1137 do not gimplify a MEM_REF address operand if it is already
1140 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1142 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1143 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1145 2012-02-21 Richard Guenther <rguenther@suse.de>
1147 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1148 nested_in_vect_loop.
1150 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1152 PR tree-optimization/52318
1153 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1154 vdef also to non-pure/const call stmts in the sequence.
1156 2012-02-21 Tristan Gingold <gingold@adacore.com>
1158 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1160 2012-02-20 David S. Miller <davem@davemloft.net>
1162 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1163 don't use the "rd %pc" instruction on v9 for PIC register loads.
1165 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1168 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1169 in a transaction safe function.
1171 2012-02-20 Kai Tietz <ktietz@redhat.com>
1174 * stor-layout.c (place_field): Handle desired_align for
1177 2012-02-20 Richard Guenther <rguenther@suse.de>
1179 PR tree-optimization/52298
1180 * tree-vect-stmts.c (vectorizable_store): Properly use
1181 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1183 (vectorizable_load): Likewise.
1184 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1185 Access DR_STEP after ensuring it is not NULL.
1187 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1189 PR tree-optimization/52286
1190 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1191 optimization use double_int_to_tree instead of build_int_cst_wide,
1192 rewrite to use double_int vars.
1194 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1197 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1199 Remove -e 0 from $gcc_cv_ld invocation.
1200 Only use __GLIBC_PREREQ if defined.
1201 Enable on Solaris since Solaris 8 patch.
1202 (gcc_SUN_LD_VERSION): New macro.
1203 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1204 gcc_SUN_LD_VERSION for version number format.
1205 * configure: Regenerate.
1206 * varasm.c (get_elf_initfini_array_priority_section): Set
1207 SECTION_NOTYPE for non-default priority.
1208 Use get_section instead of get_unnamed_section to emit
1209 .init_array/.fini_array with default priority.
1211 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1213 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1214 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1215 (mips_start_unique_function, mips_output_mips16_rdhwr)
1216 (mips_code_end): New functions.
1217 (TARGET_ASM_CODE_END): Define.
1219 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1221 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1222 to stubs with non-sibling calls.
1224 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1226 * doc/invoke.texi (-fira-* options): Copy-edit.
1227 (ira-* parameters): Copy-edit.
1229 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1231 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1232 GCC coding conventions.
1234 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1236 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1237 when used as adjectives.
1239 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1241 * doc/invoke.texi: Clean up "that"/"which" confusion.
1243 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1245 * system.h: Poison SMALL_REGISTER_CLASSES
1246 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1247 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1249 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1251 PR tree-optimization/52285
1252 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1253 when deciding if a call is a tail call or tail recursion.
1255 2012-02-16 Kai Tietz <ktietz@redhat.com>
1257 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1258 interger-constant displacement for UNSPEC_PCREL.
1260 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1262 PR rtl-optimization/52208
1263 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1264 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1266 PR tree-optimization/52255
1267 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1268 loop->header has virtual PHI, but exit_e->dest doesn't, add
1269 virtual PHI to exit_e->dest and adjust all uses after the loop.
1272 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1273 children with clone_tree_hash, not after it.
1275 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1277 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1278 extended identifiers.
1280 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1283 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1284 a same_body_alias, also test whether e->callee isn't a former
1285 or current clone of the decl this is a same body alias of.
1287 PR translation/52264
1288 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1290 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1292 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1294 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1297 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1298 force_reg instead of copy_to_reg for better optimization. Force
1299 non-register or memory operands into a register.
1301 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1303 * extend.texi: Reserve upper bits of memory model for future use.
1305 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1306 Anatoly Sokolov <aesok@post.ru>
1307 Eric Weddington <eric.weddington@atmel.com>
1310 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1311 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1312 Rewrite initializers for .macro.
1313 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1314 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1315 atxmega32d4, atxmega32x1.
1316 avrxmega4: atxmega64a3, atxmega64d3.
1317 avrxmega5: atxmega64a1, atxmega64a1u.
1318 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1319 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1320 avrxmega7: atxmega128a1, atxmega128a1u.
1321 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1322 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1323 (struct base_arch_s): Rename reserved to xmega_p.
1324 Rename reserved2 to have_rampd.
1325 (AVR_XMEGA): New define.
1326 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1327 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1328 * config/avr/predicates.md (io_address_operand): Take into
1330 (low_io_address_operand): Ditto.
1331 (high_io_address_operand): Ditto.
1332 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1333 (enabled, movhi_sp_r): Use them.
1334 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1335 cpp_define_formatted to built-in define __AVR_ARCH__.
1336 (__AVR_XMEGA__): New built-in define.
1337 (__AVR_HAVE_RAMPD__): New built-in define.
1338 (__AVR_HAVE_RAMPX__): New built-in define.
1339 (__AVR_HAVE_RAMPY__): New built-in define.
1340 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1342 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1343 (avr_option_override): Initialize them.
1344 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1345 (avr_init_expanders): Initialize them. No more block several calls.
1346 (emit_push_sfr): New static function.
1347 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1349 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1350 (avr_print_operand): Print addreeses as symbols for
1351 RAMPX, RAMPY, RAMPD, CCP.
1352 (output_movhi): Handle AVR_XMEGA when writing to SP.
1353 (avr_out_movhi_mr_r_xmega): New static function.
1354 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1355 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1356 __RAMPD__, __CCP__ as needed.
1358 * config/avr/multilib.h: Regenerate.
1359 * config/avr/t-multilib: Regenerate.
1360 * config/avr/avr-tables.opt: Regenerate.
1362 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1364 PR tree-optimization/50561
1365 * graphite-flattening.c (lst_project_loop): Do not
1366 remove old scattering dimensions after flattening.
1367 (lst_do_flatten): Likewise.
1369 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1371 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1372 __builtin_avr_map8, __builtin_avr_map16.
1373 Document __builtin_avr_insert_bits.
1375 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1376 (insert_bits): New insn.
1377 (adjust_len.map_bits): Rename to insert_bits.
1378 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1379 * avr-protos.h (avr_out_map_bits): Remove.
1380 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1381 * config/avr/constraints.md (Cxf,C0f): New.
1382 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1383 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1384 New built-in define __BUILTIN_AVR_INSERT_BITS.
1385 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1386 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1387 (avr_move_bits): Rewrite.
1388 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1390 (avr_map_op_t): New typedef.
1391 (avr_map_op): New static variable.
1392 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1393 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1394 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1395 (bdesc_3arg, avr_expand_triop_builtin): New.
1396 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1397 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1398 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1399 (avr_map_equal_p, avr_map_sig_p): Remove.
1400 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1401 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1402 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1403 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1404 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1405 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1407 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1409 * config/c6x/c6x.md (reserve_cycles): New attribute.
1410 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1411 don't reserve functional units after the branch occurs.
1413 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1416 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1417 functions into non-tm_pure functions.
1419 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1422 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1423 (iterative_hash_canonical_type): Likewise.
1424 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1427 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1429 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1430 sched-group insn, it either remains alone or the entire list is pruned.
1432 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1434 * doc/install.texi (Prerequisites): Fix grammar.
1435 (Configuration): Likewise.
1437 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1439 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1440 MPC as part of GCC before describing configuring with --with-gmp etc.
1441 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1442 sources are present.
1444 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1447 * dwarf2out.c (clone_tree_hash): New function.
1448 (copy_decls_walk): Use it instead of clone_tree.
1450 2012-02-14 Richard Guenther <rguenther@suse.de>
1452 PR tree-optimization/52244
1453 PR tree-optimization/51528
1454 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1455 replacements for integral types.
1457 2012-02-14 Walter Lee <walt@tilera.com>
1459 * config.gcc: Handle tilegx and tilepro.
1460 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1462 Add HAVE_AS_TLS check for tilegx and tilepro.
1463 * configure: Regenerate.
1464 * doc/contrib.texi: Add Mat Hostetter and self.
1465 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1466 Document instruction intrinsics and network accessing intrinsics.
1467 (TILEPro Built-in Functions): New node. Document instruction
1468 intrinsics and network accessing intrinsics.
1469 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1470 (Specific, tilepro-*-linux*): Likewise.
1471 * doc/invoke.texi (TILE-Gx Options): New section.
1472 (TILEPro Options): New section.
1473 * doc/md.texi (TILE-Gx): New section.
1474 (TILEPro): New section.
1475 * common/config/tilegx/tilegx-common.c: New file.
1476 * common/config/tilepro/tilepro-common.c: New file.
1477 * config/tilegx/constraints.md: New file.
1478 * config/tilegx/linux.h: New file.
1479 * config/tilegx/mul-tables.c: New file.
1480 * config/tilegx/predicates.md: New file.
1481 * config/tilegx/sync.md: New file.
1482 * config/tilegx/t-tilegx: New file.
1483 * config/tilegx/tilegx-builtins.h: New file.
1484 * config/tilegx/tilegx-c.c: New file.
1485 * config/tilegx/tilegx-generic.md: New file.
1486 * config/tilegx/tilegx-modes.def: New file.
1487 * config/tilegx/tilegx-multiply.h: New file.
1488 * config/tilegx/tilegx-protos.h: New file.
1489 * config/tilegx/tilegx.c: New file.
1490 * config/tilegx/tilegx.h: New file.
1491 * config/tilegx/tilegx.md: New file.
1492 * config/tilegx/tilegx.opt: New file.
1493 * config/tilepro/constraints.md: New file.
1494 * config/tilepro/gen-mul-tables.cc: New file.
1495 * config/tilepro/linux.h: New file.
1496 * config/tilepro/mul-tables.c: New file.
1497 * config/tilepro/predicates.md: New file.
1498 * config/tilepro/t-tilepro: New file.
1499 * config/tilepro/tilepro-builtins.h: New file.
1500 * config/tilepro/tilepro-c.c: New file.
1501 * config/tilepro/tilepro-generic.md: New file.
1502 * config/tilepro/tilepro-modes.def: New file.
1503 * config/tilepro/tilepro-multiply.h: New file.
1504 * config/tilepro/tilepro-protos.h: New file.
1505 * config/tilepro/tilepro.c: New file.
1506 * config/tilepro/tilepro.h: New file.
1507 * config/tilepro/tilepro.md: New file.
1508 * config/tilepro/tilepro.opt: New file.
1510 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1512 PR tree-optimization/52210
1513 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1514 vect_model_simple_cost with two entry vect_def_type array instead
1515 of an address of dt.
1517 2012-02-14 Richard Guenther <rguenther@suse.de>
1520 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1521 Do not stream DECL_QUALIFIER.
1522 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1523 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1524 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1526 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1529 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1532 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1535 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1536 * cselib.c (cselib_subst_to_values_from_insn): New function.
1537 * sched-deps.c (add_insn_mem_dependence,
1538 sched_analyze_1, sched_analyze_2): Use it.
1540 2012-02-13 Jan Hubicka <jh@suse.cz>
1543 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1545 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1547 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1548 (GTM_SELF_SPECS): Define if not already defined.
1549 (driver_self_specs): Add GTM_SELF_SPECS.
1550 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1551 (GTM_SELF_SPECS): Define.
1552 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1553 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1555 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1557 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1560 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1563 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1564 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1566 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1569 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1571 2012-02-13 Richard Guenther <rguenther@suse.de>
1573 PR translation/52211
1574 * passes.c (enable_disable_pass): Fix typo.
1576 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1579 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1580 XOR for reduce_bit_field if type is unsigned.
1582 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1584 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1585 disallow changes from SFmode to mode with different size in FP regs.
1587 2012-02-12 Robert Millan <rmh@gnu.org>
1588 Gerald Pfeifer <gerald@pfeifer.com>
1590 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1593 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1595 PR rtl-optimization/52175
1596 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1597 to frame-related instructions.
1599 2012-02-10 Jason Merrill <jason@redhat.com>
1602 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1603 (demangle_new_symbols): Fill it.
1604 (scan_linker_output): Walk it.
1605 (start_tweaking): Split out from scan_linker_output.
1606 (maybe_tweak): Update sym->chosen.
1607 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1609 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1612 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1614 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1616 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1617 having the same mode as previous compare.
1619 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1621 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1622 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1623 (nonlocal_goto_internal): Likewise.
1624 (nonlocal_goto): Emit a use and an indirect jump directly.
1626 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1629 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1630 __atomic_{is,always}_lock_free.
1632 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1635 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1636 negative constant address for x32.
1638 2012-02-10 Richard Henderson <rth@redhat.com>
1640 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1641 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1642 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1644 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1645 Ira Rosen <irar@il.ibm.com>
1647 PR tree-optimization/50031
1648 * targhooks.c (default_builtin_vectorization_cost): Handle
1650 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1651 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1652 all types of reduction and pattern statements.
1653 (vect_estimate_min_profitable_iters): Likewise.
1654 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1655 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1656 for explicit realigns.
1657 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1658 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1660 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1661 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1662 vec_perm for VSX and handle vec_promote_demote.
1664 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1667 * builtins.c (fold_builtin_atomic_always_lock_free,
1668 expand_builtin_atomic_always_lock_free,
1669 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1670 Return and/or test boolean_true_node/boolean_false_node instead of
1671 integer_one_node/integer_zero_node.
1673 2012-02-10 Jan Hubicka <jh@suse.cz>
1676 * predict.c (predict_paths_for_bb): Prevent looping.
1677 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1679 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1681 * config/arm/arm.c (output_move_double): In one case properly
1682 count number of instructions that will be emitted.
1684 2012-02-10 Richard Guenther <rguenther@suse.de>
1686 PR translation/52193
1687 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1689 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1692 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1694 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1697 * var-tracking.c (emit_note_insn_var_location): If
1698 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1699 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1700 non-NOTE_DURING_CALL_P insn.
1702 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1705 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1707 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1710 * gcc.c (switch_matches) Support switches with separated form,
1713 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1715 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1717 (RAMPZ_ADDR): Ditto.
1718 * config/avr/avr.c (avr_addr_t): New typedef.
1719 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1720 (avr_init_expanders): Initialize it.
1721 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1723 (expand_epilogue): Ditto.
1724 (avr_print_operand): Ditto.
1725 (avr_file_start): Ditto.
1726 (avr_emit_movmemhi): Ditto.
1728 2012-02-08 Richard Guenther <rguenther@suse.de>
1730 PR tree-optimization/46886
1731 * tree-flow.h (do_while_loop_p): Declare.
1732 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1733 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1735 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1737 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1738 always succeed for integers larger than a native word.
1740 2012-02-08 Richard Guenther <rguenther@suse.de>
1742 PR rtl-optimization/52170
1743 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1744 properly handle integer vector modes.
1746 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1748 PR gcov-profile/52150
1749 * coverage.c: Include target.h.
1750 (build_var): Call targetm.strip_name_encoding on the assembler name.
1751 Change one _ into . or $ if the target allows it.
1752 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1754 PR rtl-optimization/52139
1755 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1756 is a BARRIER after emit_insn_after_noloc, move BB_END
1757 to the last non-BARRIER insn before it.
1759 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1762 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1763 (mips_gimplify_va_arg_expr): Call it instead of
1764 std_gimplify_va_arg_expr.
1766 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1768 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1769 message for -mno-pointers-to-nested-function.
1771 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1774 * expr.c (get_inner_reference): If there is an offset, add a negative
1775 bit position to it (if any).
1777 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1779 PR rtl-optimization/52060
1780 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1781 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1782 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1783 and/or i0src_copy2 when needed.
1785 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1787 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1788 or LTOPLUGINSONAME if have_c.
1790 * config/freebsd-spec.h: Add comment about what macros can be defined
1792 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1793 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1796 2012-02-07 Richard Guenther <rguenther@suse.de>
1798 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1799 newline in -alias dumps.
1801 2012-02-07 Kai Tietz <ktietz@redhat.com>
1802 Dave Korn <dave.korn.cygwin@gmail.com>
1805 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1806 Take care that typinfo gets dllexport-attribute.
1808 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1811 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1812 if modifier < EXPAND_SUM call force_operand on the result.
1814 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1816 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1817 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1819 (epiphany_function_type): Replace types for specific interrupts with
1820 EPIPHANY_FUNCTION_INTERRUPT.
1821 (EPIPHANY_INTERRUPT_P): Update.
1822 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1823 New static function.
1824 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1825 <disinterrupt>: Affects type identity.
1826 (epiphany_handle_interrupt_attribute): Handle variable number of
1828 (epiphany_compute_function_type): Update for new
1829 epiphany_function_type definition.
1830 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1831 handlers with a longcall forwarder.
1832 (epiphany_start_function): Handle multiple interrupt arguments and/or
1833 forwarder_section attribute.
1835 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1838 2012-02-07 Alan Modra <amodra@gmail.com>
1841 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1844 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1846 PR tree-optimization/50969
1847 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1848 use vec_perm rather than vector_stmt.
1849 (vect_model_load_cost): Likewise.
1850 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1851 vec_perm to be the same as other vector statements.
1852 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1853 cost of vec_perm for TARGET_VSX.
1855 2012-02-06 Richard Guenther <rguenther@suse.de>
1857 PR tree-optimization/52115
1858 * tree-sra.c (access_has_replacements_p): New function.
1859 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1861 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1864 * trans-mem.c (expand_call_tm): Add an assertion.
1865 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1868 2012-02-06 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/50955
1871 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1872 raise cost of expressions that replace an address with an
1873 expression based on a different pointer.
1875 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1878 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1879 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1881 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1884 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1885 -Weffc++ and specify guidelines come from second edition.
1887 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1889 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1890 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1891 (call_direct_split, call_value_split, call_value_internal_direct)
1892 (call_value_direct_split, call_value_multiple_split): Use jal and
1893 jal_macro attributes.
1895 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1897 * reload1.c (reload_regs_reach_end_p): Replace with...
1898 (reload_reg_rtx_reaches_end_p): ...this function.
1899 (new_spill_reg_store): Update commentary.
1900 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1901 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1902 before setting new_spill_reg_store.
1903 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1904 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1905 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1906 for non-spill reload registers.
1908 2012-02-05 Ira Rosen <irar@il.ibm.com>
1910 PR tree-optimization/52091
1911 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1912 (vect_is_simple_use_1): Likewise.
1913 * tree-vect-loop.c (vectorizable_reduction): Update calls
1914 to vect_is_simple_use_1 and vect_is_simple_use.
1915 (vectorizable_live_operation): Likewise.
1916 * tree-vect-patterns.c (widened_name_p,
1917 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1918 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1919 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1920 vectorizable_shift,vectorizable_operation, vectorizable_store,
1921 vectorizable_load): Likewise.
1922 (vect_is_simple_cond): Add an argument, pass it to
1923 vect_is_simple_use_1.
1924 (vectorizable_condition): Update calls to vect_is_simple_cond,
1926 (vect_is_simple_use): Add an argument, the statement in which
1927 OPERAND is used. Check that if OPERAND's def stmt is a double
1928 reduction phi node, the use is a phi node too.
1929 (vect_is_simple_use_1): Add an argument, pass it to
1931 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1932 to vect_is_simple_use.
1934 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1936 PR rtl-optimization/52095
1937 * modulo-sched.c (dump_insn_locator): New function.
1938 (loop_canon_p, sms_schedule): Use it.
1940 PR rtl-optimization/52113
1941 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1942 even for decomposable shift/zext insns.
1944 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1945 Zdenek Dvorak <ook@ucw.cz>
1947 PR rtl-optimization/52092
1948 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1949 on get_iv_value result.
1951 2012-02-02 Andrew Pinski <apinski@cavium.com>
1955 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1957 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1960 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1962 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1964 PR rtl-optimization/49800
1965 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1966 (sched_finish): Call regstat_free_n_sets_and_refs.
1968 2012-02-02 Jia Liu <proljc@gmail.com>
1970 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1973 2012-02-02 Jan Hubicka <jh@suse.cz>
1974 Tom de Vries <tom@codesourcery.com>
1977 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1978 * varpool.c (varpool_analyze_pending_decls): Likewise.
1980 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1981 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1983 * config.gcc: Add cr16-* support.
1985 * doc/extend.texi: Document cr16 extensions.
1986 * doc/install.texi: Document cr16 install.
1987 * doc/invoke.texi: Document cr16 options.
1988 * doc/md.texi: Document cr16 constraints.
1990 * common/config/cr16/cr16-common.c: New file.
1991 * config/cr16/cr16.c: New file.
1992 * config/cr16/cr16.h: New file.
1993 * config/cr16/cr16.md: New file.
1994 * config/cr16/cr16.opt: New file.
1995 * config/cr16/cr16-protos.h: New file.
1996 * config/cr16/predicates.md: New file.
1997 * config/cr16/constraints.md: New file.
1998 * config/cr16/t-cr16: New file.
2000 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2003 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2004 that operands[2] is either immediate, or q_regs_operand.
2006 PR tree-optimization/52073
2007 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2008 a pattern stmt for pattern uses, ignore uses outside of the loop.
2010 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2012 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2013 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2014 (OUT_AS1, OUT_AS2): Remove.
2016 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2018 PR rtl-optimization/51374
2019 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2020 to cross other volatile_refs_p insns.
2022 2012-02-01 Richard Guenther <rguenther@suse.de>
2024 * doc/invoke.texi (fno-inline): Clarify documentation.
2025 (finline-small-functions): Likewise.
2026 (finline-functions): Likewise.
2027 * common.opt (finline): Adjust comment and documentation.
2028 (finline-small-functions): Clarify documentation.
2029 (finline-functions): Likewise.
2030 (finline-functions-called-once): Likewise.
2032 2012-02-01 Tristan Gingold <gingold@adacore.com>
2034 * c-typeck.c (composite_type): Keep mode for pointers.
2036 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2038 * function.h (regno_reg_rtx): Adjust comment.
2039 * reginfo.c (init_reg_modes_target): Only use the previous mode
2040 if it fits within one register. Remove MIPS comment.
2042 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2045 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2047 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2049 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2050 to srak instruction.
2052 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2054 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2056 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2061 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2063 2012-01-31 Richard Guenther <rguenther@suse.de>
2065 PR tree-optimization/51528
2066 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2069 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2074 * ree.c (add_removable_extension): Change def_map argument
2075 to unsigned *, store in def_map 1 + offset into *insn_list vector
2076 instead of pointers into the vector.
2077 (find_removable_extensions): Adjust caller.
2079 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2081 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2082 Transform all "* quoted-c-code" to { c-code }.
2083 Remove redundant test for "optimize" in combine patterns.
2084 Move (include "avr-dimode.md") to end of file.
2086 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2089 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2090 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2092 2012-01-30 Richard Guenther <rguenther@suse.de>
2094 PR tree-optimization/52028
2095 * tree-loop-distribution.c (ldist_gen): Properly update
2098 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2101 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2102 set_cur_line_info_table if not emitting debug info.
2104 PR tree-optimization/52046
2105 * tree-vect-patterns.c (check_bool_pattern): Give up if
2106 a comparison could throw.
2109 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2111 2012-01-30 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/52045
2114 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2115 SSA form if cfgcleanup did anything.
2117 2012-01-30 Richard Guenther <rguenther@suse.de>
2119 PR tree-optimization/52045
2120 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2121 before computing final todo.
2123 2012-01-30 Richard Guenther <rguenther@suse.de>
2125 PR tree-optimization/51528
2126 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2129 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2131 * df-problems.c (df_kill_notes): Check that the use refers
2132 to the note under examination.
2134 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2137 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2138 parameter and use short-lived pseudos.
2139 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2140 (sparc_expand_vector_init): Const-ify local variables and adjust
2141 calls to above functions.
2143 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2145 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2147 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2149 * doc/invoke.texi: Make usage of "compile time" and
2150 "run time"/"runtime" consistent throughout the file.
2152 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2154 * config/alpha/alpha.c (alpha_option_override): Default to
2155 full IEEE compliance mode for Go language.
2157 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2159 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2160 (LINK_SSP_SPEC): Define.
2162 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2165 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2168 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2170 * doc/invoke.texi: Correct hyphenation of "floating point",
2171 "double precision", and related terminology throughout the file.
2173 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2176 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2177 arm_general_register_operand predicate for operand 2 instead of
2180 2012-01-27 Ian Lance Taylor <iant@google.com>
2183 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2184 * builtins.c (expand_builtin_init_trampoline): Add onstack
2185 parameter. Change caller.
2186 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2187 * tree.c (build_common_builtin_nodes): Declare
2188 __builtin_init_heap_trampoline.
2190 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2192 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2193 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2194 * config/avr/avr.c: Ditto.
2195 (avr_regnames): Remove because unused.
2196 * config/avr/avr.md (*cpse.ne): New peephole.
2197 (*cpse.eq): New peephole from former cpse peepholes.
2199 2012-01-27 Michael Eager <eager@eagercon.com>
2201 * config/microblaze.c (microblaze_emit_compare): Correct
2202 test after pcmp instruction.
2204 2012-01-27 Richard Guenther <rguenther@suse.de>
2206 PR tree-optimization/52020
2207 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2209 2012-01-27 Richard Guenther <rguenther@suse.de>
2211 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2212 function non-const/pure.
2214 2012-01-27 Richard Guenther <rguenther@suse.de>
2216 PR tree-optimization/50444
2217 * tree-sra.c (build_ref_for_offset): Properly adjust the
2218 MEM_REF type for unaligned accesses.
2220 2012-01-27 Richard Guenther <rguenther@suse.de>
2222 PR tree-optimization/50444
2223 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2224 (expand_assignment): Use it. Properly handle misaligned
2225 bases when expanding stores to component references.
2226 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2229 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2232 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2233 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2234 * tree-data-ref.c (find_data_references_in_loop): Make static.
2235 (compute_all_dependences): Change return type to bool. Bail out
2236 for too many datarefs in a loop. Move the hunk resetting the data
2237 dependences vector from ...
2238 (compute_data_dependences_for_loop): ... here. Account for
2239 compute_all_dependences returning false.
2240 (compute_data_dependences_for_bb): Likewise.
2241 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2242 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2244 2012-01-27 Richard Guenther <rguenther@suse.de>
2247 * expr.c (store_field): Use the alias-set of the scratch memory
2250 2012-01-27 Tom de Vries <tom@codesourcery.com>
2252 PR tree-optimization/51990
2253 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2255 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2257 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2260 * var-tracking.c (reverse_op): Don't add any reverse operation
2261 if V already has any constant locations.
2263 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2265 * doc/invoke.texi: Correct usage of "command line" (noun)
2266 vs "command-line" (adjective) throughout.
2268 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2270 * doc/invoke.texi (Language Independent Options): Move
2271 -Wcoverage-mismatch blurb from here....
2272 (Warning Options): ...to here.
2274 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2276 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2277 Set rs6000_always_hint to false for 476.
2279 2012-01-27 Matthias Klose <doko@ubuntu.com>
2281 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2283 * incpath.c (add_standard_paths): Likewise.
2285 2012-01-27 Richard Henderson <rth@redhat.com>
2287 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2288 * config/m68k/sync.md (atomic_test_and_set): Rename from
2289 sync_test_and_setqi and adjust the operands.
2290 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2291 and unconditionally enable.
2293 2012-01-27 Richard Henderson <rth@redhat.com>
2295 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2296 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2297 (ldstub): Rename from ldstubqi.
2298 (ldstub<I24MODE>): Remove.
2300 2012-01-27 Richard Henderson <rth@redhat.com>
2302 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2303 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2304 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2305 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2306 * doc/tm.texi: Rebuild.
2308 2012-01-27 Richard Henderson <rth@redhat.com>
2310 * optabs.c (gen_atomic_test_and_set): Remove default.
2311 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2313 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2315 PR rtl-optimization/51978
2316 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2317 (combine_reaching_defs): Likewise.
2318 (struct re_info): Remove.
2319 (add_removable_extension): Remove x and data arguments,
2320 add insn, insn_list and def_map. Use the arguments directly
2321 instead of using struct re_info.
2322 (find_removable_extensions): Don't call add_removable_extension
2323 through note_stores, instead just call it with single_set
2325 (find_and_remove_re): Pass curr_cand->expr instead of
2326 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2328 2012-01-26 Michael Matz <matz@suse.de>
2330 PR tree-optimization/46590
2331 * cfgexpand.c: Revert last change (r183305).
2332 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2334 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2335 checking for emptiness.
2337 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2340 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2341 non-addressable non-BLKmode base correctly.
2343 2012-01-26 Michael Matz <matz@suse.de>
2345 PR tree-optimization/48794
2346 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2347 regions referenced from RESX/EH_DISPATCH.
2349 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2351 * config/s390/s390.h: Make BRANCH_COST an option.
2352 * config/s390/s390.opt: New option -mbranch-cost.
2354 2012-01-26 Richard Henderson <rth@redhat.com>
2356 Revert 2012-01-24 change:
2357 * trans-mem.c (requires_barrier): Do not instrument thread local
2358 variables and emit save/restore for them.
2360 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2363 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2366 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2368 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2371 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2374 Rename __pgm to __flash.
2375 Rename __pgm1 to __flash1.
2376 Rename __pgm2 to __flash2.
2377 Rename __pgm3 to __flash3.
2378 Rename __pgm4 to __flash4.
2379 Rename __pgm5 to __flash5.
2380 Rename __pgmx to __memx.
2381 * doc/extend.texi (AVR Named Address Spaces)
2382 Rename address space names as indicated above.
2383 * config/avr/avr.c (avr_addrspace): Ditto.
2385 * config/avr/avr-protos.h
2386 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2387 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2388 * config/avr/predicates.md: Ditto.
2389 * config/avr/avr.c Ditto, and
2390 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2391 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2393 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2394 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2395 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2396 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2397 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2398 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2399 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2400 * config/avr/avr.c: Ditto.
2401 * config/avr/avr.md: Ditto.
2403 2012-01-25 Jason Merrill <jason@redhat.com>
2406 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2408 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2410 PR tree-optimization/51987
2411 * tree-data-ref.c (get_references_in_stmt): Handle references in
2412 non-volatile GIMPLE_ASM.
2414 2012-01-25 Richard Guenther <rguenther@suse.de>
2416 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2417 bases are dereferenced.
2419 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2421 PR rtl-optimization/48374
2422 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2424 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2426 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2427 compute_data_dependences_for_loop returns false.
2428 * tree-parloops.c (loop_parallel_p): Likewise.
2430 2012-01-25 Richard Guenther <rguenther@suse.de>
2432 * tree.h (get_pointer_alignment_1): Declare.
2433 * builtins.c (get_pointer_alignment_1): New function.
2434 (get_pointer_alignment): Use it.
2436 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2438 PR rtl-optimization/48308
2439 * combine.c (enum undo_kind): Add UNDO_LINKS.
2440 (struct undo): Add member l to other_contents and where.
2441 (do_SUBST_LINK): New.
2443 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2444 (undo_all): Handle UNDO_LINKS.
2446 2012-01-25 Richard Henderson <rth@redhat.com>
2448 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2451 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2453 * optabs.c (gen_atomic_test_and_set): Use each argument.
2455 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2457 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2458 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2459 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2460 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2461 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2462 TARGET_PAIRED_SINGLE_FLOAT.
2464 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2466 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2467 (in_struct, return_val): Remove MEM documentation.
2468 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2469 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2470 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2472 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2473 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2474 * expr.c (store_field): Likewise.
2475 * function.c (assign_stack_temp_for_type): Likewise.
2476 * ifcvt.c (noce_try_cmove_arith): Likewise.
2477 * reload1.c (reload): Likewise.
2478 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2479 (alpha_set_memflags): Likewise.
2480 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2482 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2484 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2486 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2487 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2488 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2490 * cselib.c (cselib_rtx_varies_p): Delete.
2491 (cselib_invalidate_mem): Update call to canon_true_dependence.
2492 * dse.c (record_store, check_mem_read_rtx): Likewise.
2493 (scan_reads_nospill): Likewise.
2494 * cse.c (check_dependence): Likewise.
2495 (cse_rtx_varies_p): Delete.
2496 * expr.c (safe_from_p): Update call to true_dependence.
2497 * ira.c (validate_equiv_mem_from_store): Likewise.
2498 (memref_referenced_p): Likewise.
2499 * postreload-gcse.c (find_mem_conflicts): Likewise.
2500 * sched-deps.c (sched_analyze_2): Likewise.
2501 * store-motion.c (load_kills_store): Likewise.
2502 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2503 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2504 (compute_transp): Update call to canon_true_dependence.
2506 2012-01-25 Richard Henderson <rth@redhat.com>
2508 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2509 (maybe_emit_atomic_test_and_set): New.
2510 (expand_sync_lock_test_and_set): Use it.
2511 (expand_atomic_test_and_set): Likewise.
2512 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2513 the implementation; clarify implementation defined details.
2514 * doc/md.texi (atomic_test_and_set): Document.
2516 2012-01-25 Richard Henderson <rth@redhat.com>
2518 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2520 2012-01-25 Richard Henderson <rth@redhat.com>
2523 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2524 to effect no-op split.
2526 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2529 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2530 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2531 (BT_FN_VOID_PTR_INT_SIZE): New.
2532 (BT_FN_UINT_UINT_VAR): Remove.
2533 (BT_FN_UINT32_UINT32_VAR): New.
2534 (BT_FN_DOUBLE_VPTR): Remove.
2535 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2537 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2538 (_ITM_changeTransactionMode): Same.
2539 (_ITM_memmoveRtWt): Change return type to void.
2540 (_ITM_memcpyRtWt): Same.
2541 (_ITM_memsetW): Same.
2542 (_ITM_RaRD): Change types to double.
2547 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2549 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2550 Patrick Marlier <patrick.marlier@gmail.com>
2552 * trans-mem.c (requires_barrier): Do not instrument thread local
2553 variables and emit save/restore for them.
2555 2012-01-24 Jason Merrill <jason@redhat.com>
2558 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2559 output static aliases.
2561 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2564 * common.opt (-pie, -shared, pie, shared): Change from Common to
2566 * gcc.c (display_help): Display help for -pie and -shared.
2568 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2571 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2572 Remove note on size/offset limitation.
2573 (AVR Variable Attributes): Add example how to read data located
2574 with progmem. Refer to named address spaces.
2575 * doc/invoke.texi (AVR Options): Fix typo.
2577 2012-01-24 Richard Guenther <rguenther@suse.de>
2579 Forward-port to trunk
2580 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2583 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2584 op0 isn't sufficiently aligned and there is movmisalignM
2585 insn for mode, use it to load op0 into a temporary register.
2587 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2590 * target.def (const_not_ok_for_debug_p): New hook.
2591 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2593 * doc/tm.texi: Regenerated.
2594 * dwarf2out.c (const_ok_for_output_1): If
2595 targetm.const_not_ok_for_debug_p returns true, fail.
2596 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2598 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2600 2012-01-23 Kai Tietz <ktietz@redhat.com>
2603 * config/i386/predicates.md (symbolic_operand): Allow
2604 UNSPEC_PCREL as PIC expression for lea.
2605 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2606 * config/i386/i386.c (ix86_delegitimize_address): Handle
2607 UNSPEC_PCREL for none-MEM, too.
2609 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2611 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2612 (ipa_tm_create_version_alias): Same.
2614 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2617 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2618 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2620 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2621 Patrick Marlier <patrick.marlier@gmail.com>
2622 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2625 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2626 simple_object_start_read.
2628 2012-01-23 Richard Guenther <rguenther@suse.de>
2631 PR tree-optimization/51895
2632 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2633 parameter decomposition into BLKmode components.
2635 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2637 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2638 fake variables for restrict-qualified pointers whose pointed-to type
2639 contains a placeholder.
2641 2012-01-23 Richard Guenther <rguenther@suse.de>
2643 PR tree-optimization/51949
2644 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2646 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2648 PR rtl-optimization/51933
2649 * ree.c (transform_ifelse): Return true right away if dstreg is
2650 already wider or equal to cand->mode.
2651 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2652 (make_defs_and_copies_lists): Remove defs_list and copies_list
2653 arguments, add state argument, just truncate state->work_list
2654 instead of always allocating and freeing the vector. Assert that
2655 get_defs succeeds instead of returning 2. Changed return type to bool.
2656 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2657 have ext_src_mode, see if it has been modified already with the
2658 right kind of extension and has been extended before from the
2659 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2660 just return true. Remember the original mode in state->modified array.
2661 (combine_reaching_defs): Add state argument. Don't allocate and
2662 free here def_list, copied_list and vec vectors, instead just
2663 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2664 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2665 Add state variable, clear vectors in it, initialize state.modified
2666 if needed. Free all the vectors at the end and state.modified too.
2667 Don't skip a candidate if the extension expression has been modified.
2669 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2672 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2673 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2674 (extra_options) interix.opt -> i386/interix.opt"
2675 (extra_objs):Add winnt-stubs.o
2676 * configure.ac: Add interix to target_os .comm on PE check.
2677 * configure: Regenerate.
2678 * config/interix3.h: Delete and move bits to..
2679 * config/interix.h: Delete and move bits to..
2680 * config/i386/i386-interix3.h: Delete and move bits to..
2681 * config/i386/i386-interix.h: ..here.
2682 (TARGET_CPU_DEFAULT): Remove redefinition.
2683 (TARGET_ASM_CONSTRUCTOR): Undefine.
2684 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2685 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2686 (PTRDIFF_TYPE): Define.
2687 (LONG_DOUBLE_TYPE_SIZE): Define.
2688 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2689 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2690 (TARGET_SECTION_TYPE_FLAGS): Define.
2691 (ASM_DECLARE_FUNCTION_NAME): Define.
2692 (ASM_OUTPUT_EXTERNAL): Define.
2693 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2694 (ASM_OUTPUT_ALIGNED_BSS): Define.
2695 (PCC_BITFIELD_TYPE_MATTERS): Define.
2696 (USE_CONST_SECTION): Define.
2697 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2698 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2699 (SUPPORTS_ONE_ONLY): Remove.
2700 (I386_PE_STRIP_ENCODING): Define.
2701 * config/interix.opt: Delete and move bits to..
2702 * config/i386/interix.opt: ..here. New.
2703 (mpe-aligned-commons): Add.
2704 * config/i386/t-interix: Add copyright header.
2705 (winnt-stubs.o): Add rule.
2707 2012-01-22 Jason Merrill <jason@redhat.com>
2710 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2711 for extra name aliases.
2713 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2715 PR rtl-optimization/51924
2716 * ree.c (combine_set_extension): Improve debugging message.
2717 (combine_reaching_defs): Likewise.
2718 (get_defs): Rename confusingly named variable.
2719 (find_and_remove_re): Skip a candidate if the extension expression has
2722 2012-01-21 Robert Millan <rmh@gnu.org>
2723 Gerald Pfeifer <gerald@pfeifer.com>
2725 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2726 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2728 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2730 PR tree-optimization/51914
2731 * tree-vect-stmts.c (vectorizable_conversion): For
2732 cvt_type && modifier == WIDEN, put temporary with cvt_type
2733 at the beginning of vec_dsts and set vec_dest to temporary
2736 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2738 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2740 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2742 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2743 * config/rs6000/rs6000.c: Likewise.
2745 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2748 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2749 output_move_double on a copy of operands array.
2751 2012-01-20 Cary Coutant <ccoutant@google.com>
2752 Dodji Seketeli <dodji@redhat.com>
2755 * dwarf2out.c (copy_declaration_context): Return ref to parent
2756 of declaration DIE, if necessary.
2757 (remove_child_or_replace_with_skeleton): Add new parameter; update
2758 caller. Place skeleton DIE under parent DIE of original declaration.
2759 Move call to copy_declaration_context to here ...
2760 (break_out_comdat_types): ... from here.
2762 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2764 PR rtl-optimization/51856
2765 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2768 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2771 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2772 hints for neon loads and stores.
2774 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2778 * doc/extend.texi (Named Address Spaces): Split into subsections.
2779 (AVR Named Address Spaces): New subsection.
2780 (M32C Named Address Spaces): New subsection.
2781 (RL78 Named Address Spaces): New subsection.
2782 (SPU Named Address Spaces): New subsection.
2783 (Variable Attributes): New anchor "AVR Variable Attributes".
2784 (AVR Variable Attributes): Rewrite and avoid wording
2785 "address space" in this context.
2786 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2787 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2788 (AVR Built-in Macros): New subsubsection therein.
2789 * doc/md.texi (AVR constraints): Remove "C04", "R".
2791 2012-01-20 Richard Guenther <rguenther@suse.de>
2793 PR tree-optimization/51903
2794 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2795 when removing stmts.
2797 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2800 * config/arm/arm.c (arm_load_pic_register): Use
2801 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2802 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2803 (arm_pic_static_addr): Likewise.
2804 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2805 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2806 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2807 (pic_load_addr_unified): New.
2809 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2812 * function.c (instantiate_virtual_regs_in_insn): Use
2813 delete_insn_and_edges when removing a wrong asm insn.
2815 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2817 PR rtl-optimization/40761
2818 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2819 Add new member loop_num.
2820 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2821 (ira_build): Remove the parameter.
2823 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2824 (ira.c): Do not build CFG loops for one region allocation. Remove
2825 argument from ira_build call.
2827 * ira-build.c (init_loop_tree_node): New function.
2828 (create_loop_tree_nodes): Use it. Separate the case when CFG
2829 loops are not built.
2830 (more_one_region_p): Check current_loops.
2831 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2833 (add_loop_to_tree): Process loop equal to NULL too.
2834 (form_loop_tree): Separate the case when CFG loops are not built.
2835 Use explicitly number for the root.
2836 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2838 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2839 instead of loop->num.
2840 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2841 (mark_all_loops_for_removal): Ditto.
2842 (remove_unnecessary_regions): Separate the case when CFG loops
2844 (ira_build): Remove the parameter. Use explicit number of regions
2845 when CFG loops are not built.
2847 * ira-color.c (print_loop_title): Separate the case for the root node.
2848 Use loop_num instead of loop->num.
2849 (move_spill_restore): Use loop_num instead of loop->num.
2851 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2852 (change_loop): Ditto.
2853 (change_loop): Use loop_num instead of loop->num.
2855 * ira-lives.c (process_bb_node_lives): Ditto.
2857 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2859 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2861 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2864 * tree-mudflap.c (mf_artificial): New function.
2865 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2866 mx_register_decls, mudflap_enqueue_decl): Use it.
2869 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2870 numbers in the insn pattern.
2872 2012-01-19 Michael Matz <matz@suse.de>
2874 PR tree-optimization/46590
2875 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2876 use it in remembering which conflicts we already created.
2877 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2880 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2883 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2884 (merge_and_complain): Same.
2886 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2889 * config/initfini-array.h: Guard content of the header
2890 with #ifdef HAVE_INITFINI_ARRAY.
2891 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2892 Add initfini-array.h to tm_file here.
2893 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2894 * config.gcc: Don't add initfini-array.h to tm_file here.
2895 * configure: Regenerated.
2897 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2899 PR rtl-optimization/51505
2900 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2901 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2902 (df_note_bb_compute): Update the call to df_kill_notes.
2904 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2906 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2908 2012-01-18 Richard Guenther <rguenther@suse.de>
2910 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2911 of conversions to void *.
2913 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2914 Richard Sandiford <rdsandiford@googlemail.com>
2918 * optabs.h (simplify_expand_binop): Declare.
2919 * optabs.c (simplify_expand_binop): Make global.
2920 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2921 endian targets if the source cannot be exactly covered by word
2924 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2927 * hard-reg-set.h (struct hard_reg_set_container): New type.
2928 * target.h (struct hard_reg_set_container): Forward declare.
2929 * target.def (set_up_by_prologue): New target hook.
2930 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2931 * doc/tm.texi: Regenerated.
2932 * function.c (thread_prologue_and_epilogue_insns): Change
2933 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2934 Call targetm.set_up_by_prologue on it.
2935 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2936 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2938 2012-01-17 Nick Clifton <nickc@redhat.com>
2940 * config/rx/rx.c (rx_can_use_simple_return): New function.
2941 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2942 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2944 2012-01-17 Richard Guenther <rguenther@suse.de>
2947 * expr.c (expand_assignment): Take address-space information
2948 from the address operand of MEM_REF and TARGET_MEM_REF.
2949 (expand_expr_real_1): Likewise.
2951 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2953 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2954 reload dump is requested.
2956 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2959 * trans-mem.c (requires_barrier): Call may_be_aliased.
2961 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2963 PR tree-optimization/51877
2964 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2965 call arguments and fndecls compare equal, instead return false if they
2966 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2967 both SSA_NAMEs that are valueized the same, or they satisfy
2970 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2972 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2974 * configure: Regenerate.
2976 2012-01-16 Jan Hubicka <jh@suse.cz>
2980 * convert.c (convert_to_integer): Use fold_convert for
2981 converting an INTEGER_CST to integer type.
2983 2012-01-16 Jason Merrill <jason@redhat.com>
2986 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2988 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2991 * config/s390/s390.c (s390_chunkify_start): Don't skip
2992 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2993 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2994 If insn is followed by NOTE_INSN_VAR_LOCATION or
2995 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2996 Don't use location of note insns.
2998 PR tree-optimization/51865
2999 * tree-inline.c (tree_function_versioning): Call remap_decl
3000 on DECL_RESULT whenever it has VOID_TYPE_P type.
3002 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3004 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3005 for calls to locally-binding MIPS16 functions if only the return
3006 type uses float regs.
3008 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3009 Richard Sandiford <rdsandiford@googlemail.com>
3011 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3012 (SYMBOL_32_HIGH): Likewise.
3013 (mips_output_tls_reloc_directive): Declare.
3014 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3015 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3016 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3017 (mips_lo_relocs, mips_hi_relocs): Make extern.
3018 (mips16_stub_function): Move up file.
3019 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3020 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3021 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3022 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3023 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3024 (mips_get_tp): Add MIPS16 support.
3025 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3026 Generalize DTPREL and TPREL handling.
3027 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3028 Add MIPS16 TLS support.
3029 (mips_output_tls_reloc_directive): New function.
3030 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3031 * config/mips/predicates.md (symbolic_operand_with_high)
3032 (tls_reloc_operand): New predicates.
3033 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3034 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3035 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3036 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3037 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3038 (*tls_get_tp_mips16_call_<mode>): Likewise.
3040 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3042 PR rtl-optimization/51821
3043 * recog.c (peep2_find_free_register): Determine clobbered registers
3046 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3049 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3050 * config/avr/avr.c: Likewise.
3051 * config/avr/avr.h: Likewise.
3053 2012-01-13 Ian Lance Taylor <iant@google.com>
3056 * tree.h (TYPE_QUALS): Add cast to int.
3057 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3059 2012-01-13 Ian Lance Taylor <iant@google.com>
3061 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3062 comparing param_index to VEC_length result.
3064 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3066 * c-decl.c: Do not include tree-mudflap.h
3067 * tree-optimize.c: Likewise.
3068 * Makefile.in: Update dependencies.
3070 2012-01-13 Richard Guenther <rguenther@suse.de>
3073 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3074 variable-sized result always use RSO.
3076 2012-01-12 DJ Delorie <dj@redhat.com>
3078 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3079 pointer type, not just the default pointer type.
3081 2012-01-09 Richard Henderson <rth@redhat.com>
3082 Denis Chertykov <chertykov@gmail.com>
3085 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3086 * config/avr/avr.c (avr_can_eliminate): Simplify.
3087 (avr_initial_elimination_offset): Likewise.
3088 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3089 (expand_epilogue): Likewise.
3090 (avr_legitimize_address): Gut.
3091 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3092 (avr_hard_regno_nregs): New.
3093 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3094 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3095 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3096 add soft frame pointer.
3097 (CALL_USED_REGISTERS): Likewise.
3098 (REG_CLASS_CONTENTS): Likewise.
3099 (REGISTER_NAMES): Likewise.
3100 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3101 (HARD_FRAME_POINTER_REGNUM): New.
3102 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3103 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3104 remove the HARD_FRAME_POINTER self-elimination.
3106 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3109 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3110 DECL_EXTERNAL when checking for initializers of progmem variables.
3112 2012-01-12 Ira Rosen <irar@il.ibm.com>
3114 PR tree-optimization/51799
3115 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3116 that the last operation is a type demotion.
3118 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3120 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3121 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3123 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3126 * combine.c (distribute_notes): If i3 is a noreturn call,
3127 allow old_size to be equal to args_size and make sure the
3128 noreturn call gets REG_ARGS_SIZE note.
3129 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3130 on noreturn calls even when the delta is 0.
3132 2012-01-11 Nathan Sidwell <nathan@acm.org>
3134 * gcov.c (STRING_SIZE): Remove.
3135 (generate_results): Erase annotations for source files with no
3136 coverage information.
3138 (output_lines): Use it.
3140 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3142 * gimple.h (gimplify_body): Remove first argument.
3143 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3144 pointer set here, instead just pass DATA to walk_tree.
3145 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3146 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3147 (unvisit_body): Likewise, but with unmark_visited.
3148 (gimplify_body): Remove BODY_P argument and adjust.
3149 (gimplify_function_tree): Adjust call to gimplify_body.
3150 * omp-low.c (finalize_task_copyfn): Likewise.
3152 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3154 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3155 (build_function_type_skip_args): Delete.
3156 * tree.c (build_function_type_skip_args): Make static and add
3157 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3158 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3159 pass it to build_function_type_skip_args.
3160 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3161 (tree_function_versioning): Likewise.
3162 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3163 build_function_decl_skip_args.
3164 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3165 and pass it to build_function_decl_skip_args/tree_function_versioning.
3166 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3167 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3168 * trans-mem.c (ipa_tm_create_version): Likewise.
3169 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3170 * tree-inline.c (declare_return_variable): Remove always-true test.
3171 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3172 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3173 * ipa-split.c (split_function): Skip the return value for the split
3174 part if it doesn't return.
3176 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3178 PR tree-optimization/49642
3179 * ipa-split.c (forbidden_dominators): New variable.
3180 (check_forbidden_calls): New function.
3181 (dominated_by_forbidden): Likewise.
3182 (consider_split): Check for forbidden dominators.
3183 (execute_split_functions): Initialize and free forbidden
3184 dominators info; call check_forbidden_calls.
3186 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3188 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3190 2012-01-11 Nick Clifton <nickc@redhat.com>
3192 * config/rx/rx.md (return): Define pattern.
3194 2012-01-11 Richard Guenther <rguenther@suse.de>
3196 * doc/extend.texi (malloc attribute): Adjust according to
3199 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3200 Patrick Marlier <patrick.marlier@gmail.com>
3203 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3204 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3205 (ipa_tm_note_irrevocable): Same.
3206 (ipa_tm_scan_irr_block): Same.
3207 (ipa_tm_decrement_clone_counts): Same.
3208 (ipa_tm_scan_irr_function): Same.
3209 (ipa_tm_create_version_alias): Same.
3210 (ipa_tm_create_version): Same.
3211 (ipa_tm_transform_calls_redirect): Same.
3212 (ipa_tm_transform_calls): Same.
3213 (ipa_tm_transform_transaction): Same.
3214 (ipa_tm_execute): Same.
3216 2012-01-10 Richard Guenther <rguenther@suse.de>
3219 * opts.c (common_handle_option): Handle -Werror.
3221 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3223 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3226 2012-01-10 Jason Merrill <jason@redhat.com>
3228 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3231 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3233 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3234 supports R_386_TLS_GD_PLT reloc.
3235 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3236 supports R_386_TLS_LDM_PLT reloc.
3237 * configure: Regenerate.
3238 * config.in: Regenerate.
3240 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3243 Extend __pgmx semantics to linearize memory.
3244 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3245 determine if code comes inline or from libgcc.
3246 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3247 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3248 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3249 (movmemx_qi, movmemx_hi): New insns.
3250 (xload_<mode>_libgcc): Rewrite to new insn condition.
3251 (xload_<mode>): Remove insns.
3252 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3253 cases that don't satisfy avr_xload_libgcc_p().
3254 (avr_addr_space_convert): Allow converting in any direction.
3255 (avr_addr_space_subset_p): Return always true.
3256 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3257 (avr_emit_movmemhi): Ditto.
3258 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3259 (avr_out_movmem): Ditto.
3260 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3261 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3262 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3263 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3264 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3266 2012-01-10 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/50913
3269 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3270 Require data-refs to be representable by Graphite with respect
3273 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3275 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3276 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3278 2012-01-10 Tom de Vries <tom@codesourcery.com>
3280 PR rtl-optimization/51271
3281 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3282 handling annulled branch.
3284 2012-01-10 Richard Henderson <rth@redhat.com>
3286 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3287 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3288 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3289 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3290 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3291 arm_expand_vec_perm_const): New.
3292 * config/arm/arm-protos.h: Update.
3293 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3294 (*neon_vswp<VDQX>): New.
3295 (neon_vcombine<VDX>): Use neon_split_vcombine.
3296 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3297 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3298 (vec_perm<VE>): New.
3300 2012-01-10 Richard Henderson <rth@redhat.com>
3302 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3303 use it if reload_completed.
3304 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3305 arm_output_asm_insn, arm_process_output_memory_barrier,
3306 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3307 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3308 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3309 arm_process_output_sync_insn, arm_output_sync_insn,
3310 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3311 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3312 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3313 (emit_unlikely_jump): New.
3314 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3315 (arm_split_atomic_op): New.
3316 * config/arm/arm-protos.h: Update.
3317 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3318 (struct arm_sync_generator): Remove.
3319 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3320 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3321 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3322 (VUNSPEC_LL, VUNSPEC_SC): New.
3323 (sync_result, sync_memory, sync_required_value, sync_new_value,
3324 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3325 (attr length): Don't use arm_sync_loop_insns.
3326 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3327 (movsfcc, movdfcc): Likewise.
3328 * config/arm/constraints.md (Ua): New.
3329 * config/arm/prediates.md (mem_noofs_operand): New.
3330 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3331 (sync_clobber, sync_t2_reqd): Remove.
3332 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3333 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3334 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3335 (arm_sync_compare_and_swap<SIDI>): Remove.
3336 (arm_sync_compare_and_swap<NARROW>): Remove.
3337 (arm_sync_lock_test_and_set<SIDI>): Remove.
3338 (arm_sync_lock_test_and_set<NARROW>): Remove.
3339 (arm_sync_new_<syncop><SIDI>): Remove.
3340 (arm_sync_new_<syncop><NARROW>): Remove.
3341 (arm_sync_new_nand<SIDI>): Remove.
3342 (arm_sync_new_nand<NARROW>): Remove.
3343 (arm_sync_old_<syncop><SIDI>): Remove.
3344 (arm_sync_old_<syncop><NARROW>): Remove.
3345 (arm_sync_old_nand<SIDI>): Remove.
3346 (arm_sync_old_nand<NARROW>): Remove.
3347 (*memory_barrier): Merge arm_output_memory_barrier.
3348 (atomic_compare_and_swap<QHSD>): New.
3349 (atomic_compare_and_swap<NARROW>_1): New.
3350 (atomic_compare_and_swap<SIDI>_1): New.
3351 (atomic_exchange<QHSD>): New.
3352 (cas_cmp_operand, cas_cmp_str): New.
3353 (atomic_op_operand, atomic_op_str): New.
3354 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3355 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3356 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3357 (arm_load_exclusive<NARROW>): New.
3358 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3359 (arm_store_exclusive<QHSD>): New.
3361 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3363 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3364 reload patterns if -mvsx-scalar-memory.
3366 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3367 generated, even -mno-vsx-scalar-double was used.
3368 (vsx_xscvdpsp_scalar): Likewise.
3369 (vsx_xscvspdp_scalar2): Likewise.
3371 2012-01-09 Tom de Vries <tom@codesourcery.com>
3372 Andrew Pinski <apinski@cavium.com>
3375 * reorg.c (fill_slots_from_thread): Don't speculate
3376 frame-related insns.
3378 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3380 * sched-int.h (bb_note): Move to...
3381 * basic-block.h: ...here.
3382 * haifa-sched.c (bb_note): Move to...
3383 * cfgrtl.c: ...here.
3384 * function.c (next_block_for_reg): New function.
3385 (move_insn_for_shrink_wrap): Likewise.
3386 (prepare_shrink_wrap): Rewrite to use the above.
3388 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3390 * gimple.c (is_gimple_non_addressable): Remove.
3391 * gimple.h: Remove is_gimple_non_addressable.
3392 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3393 is_gimple_non_addressable.
3394 * trans-mem.c (expand_assign_tm): Same.
3396 2012-01-09 Richard Guenther <rguenther@suse.de>
3398 PR tree-optimization/51775
3399 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3400 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3402 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3404 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3406 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3408 2012-01-09 Richard Guenther <rguenther@suse.de>
3410 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3412 2012-01-08 Jan Hubicka <jh@suse.cz>
3414 PR tree-optimize/51680
3415 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3416 on when known_vals needs to be computed; cleanup.
3418 2012-01-08 Jan Hubicka <jh@suse.cz>
3420 PR tree-optimize/51694
3421 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3423 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3425 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3426 for -std=c++98 and -std=c++11 too.
3428 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3430 * cfgloop.c (cancel_loop): Add free() of bbs array.
3432 2012-01-07 Jan Hubicka <jh@suse.cz>
3434 PR tree-optimization/51600
3435 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3436 that benefits small functions.
3438 2012-01-07 Jan Hubicka <jh@suse.cz>
3440 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3442 2012-01-07 Jan Hubicka <jh@suse.cz>
3444 PR tree-optimization/51680
3445 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3446 whose inlining reduce unit size.
3448 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3451 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3452 Add canonical node to containing_mem chain after the non-canonical
3453 one, even if there weren't any locs to propagate.
3454 (remove_useless_values): Keep only canonical values.
3455 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3456 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3457 canonicalize mem_chain elements that are not discarded.
3459 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3462 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3463 before emitting functions.
3465 PR gcov-profile/50127
3466 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3467 clear_aux_for_blocks.
3469 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3472 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3474 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3476 * c-decl.c (ext_block): Moved up.
3477 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3479 2012-01-06 Han Shen <shenhan@google.com>
3481 Translate built-in include paths for sysroot.
3482 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3483 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3485 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3486 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3488 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3489 control whether sysroot should be prepended to gxx include dir.
3491 * configure: Regenerate.
3493 2012-01-06 Torvald Riegel <triegel@redhat.com>
3495 PR rtl-optimization/51771
3496 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3497 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3499 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3501 PR tree-optimization/51315
3502 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3503 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3505 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3508 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3509 for shrp pattern. Correctly handle and fixup shift variable.
3510 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3512 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3515 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3516 note when !ACCUMULATE_OUTGOING_ARGS.
3518 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3520 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3522 (extract_range_from_unary_expr_1): Avoid useless computations.
3524 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3526 PR rtl-optimization/51767
3527 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3528 of jump_block and add an extra edge for degenerated asm gotos.
3531 * stmt.c (check_unique_operand_names): Don't ICE during error
3532 reporting if i is from labels chain.
3535 * profile.c (branch_prob): Split bbs that have exit edge
3536 and need a fake entry edge too.
3538 2012-01-05 Jan Hubicka <jh@suse.cz>
3541 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3544 2012-01-05 Richard Guenther <rguenther@suse.de>
3547 * tree-streamer-out.c (write_ts_optimization): New function.
3548 (streamer_write_tree_body): Call it.
3549 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3550 (streamer_read_tree_body): Call it.
3551 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3553 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3556 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3557 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3558 in_cleanup_point_expr before gimplify_stmt call and restore it
3560 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3561 in_cleanup_point_expr is false.
3563 2012-01-05 Richard Guenther <rguenther@suse.de>
3566 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3568 * toplev.c (process_options): Reject combining mudflap and LTO.
3569 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3571 2012-01-05 Richard Guenther <rguenther@suse.de>
3573 PR tree-optimization/51760
3574 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3576 (bit_value_unop): Handle UNDEFINED operands.
3577 (bit_value_binop): Likewise.
3579 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3581 * config/avr/avr.c (avr_replace_prefix): Remove.
3582 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3583 (avr_asm_function_rodata_section): Ditto.
3584 (avr_asm_select_section): Ditto.
3586 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3588 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3591 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3594 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3595 calls that have any non-fake successor edges.
3598 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3600 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3602 PR tree-optimization/51624
3603 * tree-sra.c (build_ref_for_model): When replicating a chain of
3604 COMPONENT_REFs, stop as soon as the offset would become negative.
3606 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3609 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3610 in .debug_loc on the floor.
3612 2012-01-04 Andrew Pinski <apinski@cavium.com>
3614 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3616 2012-01-04 Andrew Pinski <apinski@cavium.com>
3617 Adam Nemet <anemet@caviumnetworks.com>
3619 * config/mips/mips.md (size): Add SI and DI.
3620 (SIZE): New mode attribute.
3621 (U): New code attribute.
3622 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3623 (mips_lbux_<mode>): Delete.
3624 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3625 (mips_lhx): Use gen_mips_lhx_extsi.
3626 (mips_lhx_<mode>): Delete.
3628 (mips_l<size>x): New expand.
3629 (mips_lwx_<mode>): Delete.
3630 (mips_l<GPR:size>x_<P:mode>): New pattern.
3631 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3632 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3633 * config/mips/mips.c (mips_lx_address_p): New function.
3634 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3635 (dsp64): New availability predicate.
3636 (mips_builtins): Add an entry for __builtin_mips_ldx.
3637 * config/mips/mips.h (ISA_HAS_LBX): New define.
3638 (ISA_HAS_LBUX): Likewise.
3639 (ISA_HAS_LHX): Likewise.
3640 (ISA_HAS_LHUX): Likewise.
3641 (ISA_HAS_LWX): Likewise.
3642 (ISA_HAS_LWUX): Likewise.
3643 (ISA_HAS_LDX): Likewise.
3644 * doc/extend.texi (__builtin_mips_ldx): Document.
3646 2012-01-04 Tristan Gingold <gingold@adacore.com>
3648 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3649 when long pointers are used.
3650 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3651 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3652 (ia64-hp-*vms*): Remove.
3653 * config/vms/xm-vms64.h: Delete.
3655 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3658 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3660 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3662 * opts.c (finish_options): Remove duplicate sorry.
3664 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3667 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3670 2012-01-04 Richard Guenther <rguenther@suse.de>
3673 * tree.c (size_low_cst): New function.
3674 * tree.h (size_low_cst): Declare.
3675 * fold-const.c (fold_comparison): Use it to extract the low
3676 part of the POINTER_PLUS_EXPR offset.
3678 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3680 Fix clearing ZERO_REG
3681 * config/avr/avr.md (cc): Add alternative "ldi".
3682 (movqi_insn): Use it in cc attribute.
3683 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3684 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3685 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3687 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3689 * configure: Regenerate.
3691 2012-01-04 Richard Guenther <rguenther@suse.de>
3693 PR tree-optimization/49651
3694 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3695 (var_can_have_subvars): Use it.
3696 (get_constraint_for_1): Only consider subfields if there can be any.
3698 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3701 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3702 to its new canonical_cselib_val and the cselib_val was in
3703 first_containing_mem chain, but the canonical_cselib_val was not,
3704 add the latter into the chain.
3705 (cselib_invalidate_mem): Compare canonical_cselib_val of
3706 addr_list chain elt with v.
3709 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3710 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3712 (output_macinfo_op): Don't ggc_strdup fd->filename.
3713 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3714 then ggc_strdup it. Don't free inc->info or cur->info.
3715 (output_macinfo): Don't free ref->info or file->info.
3717 2012-01-03 Ira Rosen <irar@il.ibm.com>
3719 PR tree-optimization/51269
3720 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3721 first_niters a pointer.
3722 (slpeel_tree_peel_loop_to_edge): Likewise.
3723 (vect_do_peeling_for_loop_bound): Update call to
3724 slpeel_tree_peel_loop_to_edge.
3725 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3726 here. Remove it from the parameters list.
3727 (vect_do_peeling_for_alignment): Update calls and compute
3730 2012-01-03 Richard Guenther <rguenther@suse.de>
3732 PR tree-optimization/51070
3733 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3734 Properly handle calls.
3736 2012-01-03 Richard Guenther <rguenther@suse.de>
3738 PR tree-optimization/51692
3739 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3740 the LHS of allocation stmts.
3742 2012-01-03 Olivier Hainque <hainque@adacore.com>
3744 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3746 2012-01-03 Olivier Hainque <hainque@adacore.com>
3748 * collect2.c (main): In AIX specific computations for vector
3749 insertions, use CONST_CAST2 to cast from char ** to const char **.
3751 2012-01-03 Richard Guenther <rguenther@suse.de>
3754 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3755 the context of a limbo DIE when it does not already exist.
3757 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3759 PR tree-optimization/51719
3760 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3761 but direct call is, clear direct call's lhs and don't add fallthrough
3762 edge from dcall_bb to join_bb and PHIs.
3764 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3766 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3767 the instructions emitted by the pattern.
3768 ("*TDC_insn_<mode>"): Add comment.
3770 2012-01-03 Richard Guenther <rguenther@suse.de>
3773 * fold-const.c (fold_comparison): Properly canonicalize
3774 tree offset and HOST_WIDE_INT bit position.
3776 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3778 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3779 operands for extzv pattern.
3781 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3784 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3787 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3789 * doc/invoke.texi (-flto and related options): Copy-edit.
3791 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3793 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3795 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3797 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3800 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3802 * expr.h (move_by_pieces_ninsns): Declare.
3803 * expr.c (move_by_pieces_ninsns): Make external.
3804 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3805 (mips_store_by_pieces_p): Likewise.
3806 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3807 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3808 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3809 (mips_store_by_pieces_p): Likewise.
3811 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3813 * passes.c (register_one_dump_file): Free full_name.
3815 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3816 (calculate_elim_costs_all_insns): Free offsets_at and
3817 offsets_known_at at the end and clear the pointers.
3819 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3821 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3822 this option introduced in r180739.
3824 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3827 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3828 (tmake_file target=avr): Add avr/t-multilib.
3830 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3831 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3832 * config/avr/genmultilib.awk: New file.
3833 * config/avr/t-multilib: New auto-generated file.
3834 * config/avr/multilib.h: New auto-generated file.
3835 * config/avr/t-avr (AVR_MCUS): New variable.
3836 (genopt.sh): Use it.
3837 (s-mlib): Depend on t-multilib.
3838 (t-multilib, multilib.h): New dependencies.
3839 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3840 (MULTILIB_OPTIONS): Remove.
3841 (MULTILIB_MATCHES): Remove.
3842 (MULTILIB_DIRNAMES): Remove.
3843 (MULTILIB_EXCEPTIONS): Remove:
3844 * config/avr/genopt.sh: Don't use hard coded file name;
3845 pass AVR_MCUS from t-avr instead.
3847 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3849 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3851 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3853 Implement light-weight DImode support.
3854 * config/avr/avr-dimode.md: New file.
3855 * config/avr/avr.md: Include it.
3856 (adjust_len): Add plus64, compare64.
3857 (HIDI): Remove code iterator.
3858 (code_stdname): New code attribute.
3859 (rotx, rotsmode): Remove DI.
3860 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3862 * config/avr/avr-protos.h (avr_have_dimode): New.
3863 (avr_out_plus64, avr_out_compare64): New.
3864 * config/avr/avr.c (avr_out_compare): Handle DImode.
3865 (avr_have_dimode): New variable definition and initialization.
3866 (avr_out_compare64, avr_out_plus64): New functions.
3867 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3868 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3869 (avr_compare_pattern): Skip DImode comparisons.
3871 2012-01-02 Revital Eres <revital.eres@linaro.org>
3873 * ddg.c (def_has_ccmode_p): New function.
3874 (add_cross_iteration_register_deps,
3875 create_ddg_dep_from_intra_loop_link): Call it.
3877 2012-01-02 Richard Guenther <rguenther@suse.de>
3880 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3882 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3884 * gcc.c (process_command): Update copyright notice dates.
3885 * gcov.c (print_version): Likewise.
3886 * gcov-dump.c (print_version): Likewise.
3887 * mips-tfile.c (main): Likewise.
3888 * mips-tdump.c (main): Likewise.
3890 2012-01-01 Ira Rosen <irar@il.ibm.com>
3892 PR tree-optimization/51704
3893 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3894 a use is inside the basic block or loop before accessing its vect info.
3896 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3898 PR rtl-optimization/51069
3899 * cfgloopmanip.c (remove_path): Removing path making irreducible
3900 region unconditional makes BB part of the region.
3902 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3904 PR tree-optimization/51683
3905 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3906 calls with side-effects.
3907 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3909 Copyright (C) 2012 Free Software Foundation, Inc.
3911 Copying and distribution of this file, with or without modification,
3912 are permitted in any medium without royalty provided the copyright
3913 notice and this notice are preserved.