1 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3 PR rtl-optimization/52175
4 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
5 to frame-related instructions.
7 2012-02-10 Jason Merrill <jason@redhat.com>
10 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
11 (demangle_new_symbols): Fill it.
12 (scan_linker_output): Walk it.
13 (start_tweaking): Split out from scan_linker_output.
14 (maybe_tweak): Update sym->chosen.
15 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
17 2012-02-11 Jakub Jelinek <jakub@redhat.com>
20 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
23 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
25 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
26 having the same mode as previous compare.
28 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
30 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
31 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
32 (nonlocal_goto_internal): Likewise.
33 (nonlocal_goto): Emit a use and an indirect jump directly.
35 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
38 * doc/extend.texi : Update comments for __atomic_compare_exchange and
39 __atomic_{is,always}_lock_free.
41 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
44 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
45 negative constant address for x32.
47 2012-02-10 Richard Henderson <rth@redhat.com>
49 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
50 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
51 for GIMPLE_TRANSACTION. Tidy if's into a switch.
53 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
54 Ira Rosen <irar@il.ibm.com>
56 PR tree-optimization/50031
57 * targhooks.c (default_builtin_vectorization_cost): Handle
59 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
60 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
61 all types of reduction and pattern statements.
62 (vect_estimate_min_profitable_iters): Likewise.
63 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
64 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
65 for explicit realigns.
66 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
67 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
69 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
70 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
71 vec_perm for VSX and handle vec_promote_demote.
73 2012-02-10 Jakub Jelinek <jakub@redhat.com>
76 * builtins.c (fold_builtin_atomic_always_lock_free,
77 expand_builtin_atomic_always_lock_free,
78 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
79 Return and/or test boolean_true_node/boolean_false_node instead of
80 integer_one_node/integer_zero_node.
82 2012-02-10 Jan Hubicka <jh@suse.cz>
85 * predict.c (predict_paths_for_bb): Prevent looping.
86 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
88 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
90 * config/arm/arm.c (output_move_double): In one case properly
91 count number of instructions that will be emitted.
93 2012-02-10 Richard Guenther <rguenther@suse.de>
96 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
98 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
101 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
103 2012-02-09 Jakub Jelinek <jakub@redhat.com>
106 * var-tracking.c (emit_note_insn_var_location): If
107 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
108 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
109 non-NOTE_DURING_CALL_P insn.
111 2012-02-09 Bin Cheng <bin.cheng@arm.com>
114 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
116 2012-02-08 Magnus Granberg <zorry@gentoo.org>
119 * gcc.c (switch_matches) Support switches with separated form,
122 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
124 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
127 * config/avr/avr.c (avr_addr_t): New typedef.
128 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
129 (avr_init_expanders): Initialize it.
130 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
132 (expand_epilogue): Ditto.
133 (avr_print_operand): Ditto.
134 (avr_file_start): Ditto.
135 (avr_emit_movmemhi): Ditto.
137 2012-02-08 Richard Guenther <rguenther@suse.de>
139 PR tree-optimization/46886
140 * tree-flow.h (do_while_loop_p): Declare.
141 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
142 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
144 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
146 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
147 always succeed for integers larger than a native word.
149 2012-02-08 Richard Guenther <rguenther@suse.de>
151 PR rtl-optimization/52170
152 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
153 properly handle integer vector modes.
155 2012-02-08 Jakub Jelinek <jakub@redhat.com>
157 PR gcov-profile/52150
158 * coverage.c: Include target.h.
159 (build_var): Call targetm.strip_name_encoding on the assembler name.
160 Change one _ into . or $ if the target allows it.
161 * Makefile.in (coverage.o): Depend on $(TARGET_H).
163 PR rtl-optimization/52139
164 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
165 is a BARRIER after emit_insn_after_noloc, move BB_END
166 to the last non-BARRIER insn before it.
168 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
171 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
172 (mips_gimplify_va_arg_expr): Call it instead of
173 std_gimplify_va_arg_expr.
175 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
177 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
178 message for -mno-pointers-to-nested-function.
180 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
183 * expr.c (get_inner_reference): If there is an offset, add a negative
184 bit position to it (if any).
186 2012-02-07 Jakub Jelinek <jakub@redhat.com>
188 PR rtl-optimization/52060
189 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
190 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
191 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
192 and/or i0src_copy2 when needed.
194 2012-02-07 Jakub Jelinek <jakub@redhat.com>
196 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
197 or LTOPLUGINSONAME if have_c.
199 * config/freebsd-spec.h: Add comment about what macros can be defined
201 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
202 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
205 2012-02-07 Richard Guenther <rguenther@suse.de>
207 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
208 newline in -alias dumps.
210 2012-02-07 Kai Tietz <ktietz@redhat.com>
211 Dave Korn <dave.korn.cygwin@gmail.com>
214 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
215 Take care that typinfo gets dllexport-attribute.
217 2012-02-07 Jakub Jelinek <jakub@redhat.com>
220 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
221 if modifier < EXPAND_SUM call force_operand on the result.
223 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
225 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
226 adding __forwarder_dst__ prefix if a forwarder_section attribute is
228 (epiphany_function_type): Replace types for specific interrupts with
229 EPIPHANY_FUNCTION_INTERRUPT.
230 (EPIPHANY_INTERRUPT_P): Update.
231 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
233 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
234 <disinterrupt>: Affects type identity.
235 (epiphany_handle_interrupt_attribute): Handle variable number of
237 (epiphany_compute_function_type): Update for new
238 epiphany_function_type definition.
239 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
240 handlers with a longcall forwarder.
241 (epiphany_start_function): Handle multiple interrupt arguments and/or
242 forwarder_section attribute.
244 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
247 2012-02-07 Alan Modra <amodra@gmail.com>
250 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
253 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
255 PR tree-optimization/50969
256 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
257 use vec_perm rather than vector_stmt.
258 (vect_model_load_cost): Likewise.
259 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
260 vec_perm to be the same as other vector statements.
261 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
262 cost of vec_perm for TARGET_VSX.
264 2012-02-06 Richard Guenther <rguenther@suse.de>
266 PR tree-optimization/52115
267 * tree-sra.c (access_has_replacements_p): New function.
268 (sra_modify_assign): Use it to decide whether a use is uninitialized.
270 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
273 * trans-mem.c (expand_call_tm): Add an assertion.
274 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
277 2012-02-06 Richard Guenther <rguenther@suse.de>
279 PR tree-optimization/50955
280 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
281 raise cost of expressions that replace an address with an
282 expression based on a different pointer.
284 2012-02-06 Jakub Jelinek <jakub@redhat.com>
287 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
288 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
290 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
293 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
294 -Weffc++ and specify guidelines come from second edition.
296 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
298 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
299 (sibcall_value_multiple_internal, call_split, call_internal_direct)
300 (call_direct_split, call_value_split, call_value_internal_direct)
301 (call_value_direct_split, call_value_multiple_split): Use jal and
302 jal_macro attributes.
304 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
306 * reload1.c (reload_regs_reach_end_p): Replace with...
307 (reload_reg_rtx_reaches_end_p): ...this function.
308 (new_spill_reg_store): Update commentary.
309 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
310 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
311 before setting new_spill_reg_store.
312 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
313 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
314 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
315 for non-spill reload registers.
317 2012-02-05 Ira Rosen <irar@il.ibm.com>
319 PR tree-optimization/52091
320 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
321 (vect_is_simple_use_1): Likewise.
322 * tree-vect-loop.c (vectorizable_reduction): Update calls
323 to vect_is_simple_use_1 and vect_is_simple_use.
324 (vectorizable_live_operation): Likewise.
325 * tree-vect-patterns.c (widened_name_p,
326 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
327 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
328 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
329 vectorizable_shift,vectorizable_operation, vectorizable_store,
330 vectorizable_load): Likewise.
331 (vect_is_simple_cond): Add an argument, pass it to
332 vect_is_simple_use_1.
333 (vectorizable_condition): Update calls to vect_is_simple_cond,
335 (vect_is_simple_use): Add an argument, the statement in which
336 OPERAND is used. Check that if OPERAND's def stmt is a double
337 reduction phi node, the use is a phi node too.
338 (vect_is_simple_use_1): Add an argument, pass it to
340 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
341 to vect_is_simple_use.
343 2012-02-04 Jakub Jelinek <jakub@redhat.com>
345 PR rtl-optimization/52095
346 * modulo-sched.c (dump_insn_locator): New function.
347 (loop_canon_p, sms_schedule): Use it.
349 PR rtl-optimization/52113
350 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
351 even for decomposable shift/zext insns.
353 2012-02-03 Jakub Jelinek <jakub@redhat.com>
354 Zdenek Dvorak <ook@ucw.cz>
356 PR rtl-optimization/52092
357 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
358 on get_iv_value result.
360 2012-02-02 Andrew Pinski <apinski@cavium.com>
364 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
366 2012-02-02 Jakub Jelinek <jakub@redhat.com>
369 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
371 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
373 PR rtl-optimization/49800
374 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
375 (sched_finish): Call regstat_free_n_sets_and_refs.
377 2012-02-02 Jia Liu <proljc@gmail.com>
379 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
382 2012-02-02 Jan Hubicka <jh@suse.cz>
383 Tom de Vries <tom@codesourcery.com>
386 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
387 * varpool.c (varpool_analyze_pending_decls): Likewise.
389 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
390 Jayant R Sonar <jayant.sonar@kpitcummins.com>
392 * config.gcc: Add cr16-* support.
394 * doc/extend.texi: Document cr16 extensions.
395 * doc/install.texi: Document cr16 install.
396 * doc/invoke.texi: Document cr16 options.
397 * doc/md.texi: Document cr16 constraints.
399 * common/config/cr16/cr16-common.c: New file.
400 * config/cr16/cr16.c: New file.
401 * config/cr16/cr16.h: New file.
402 * config/cr16/cr16.md: New file.
403 * config/cr16/cr16.opt: New file.
404 * config/cr16/cr16-protos.h: New file.
405 * config/cr16/predicates.md: New file.
406 * config/cr16/constraints.md: New file.
407 * config/cr16/t-cr16: New file.
409 2012-02-02 Jakub Jelinek <jakub@redhat.com>
412 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
413 that operands[2] is either immediate, or q_regs_operand.
415 PR tree-optimization/52073
416 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
417 a pattern stmt for pattern uses, ignore uses outside of the loop.
419 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
421 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
422 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
423 (OUT_AS1, OUT_AS2): Remove.
425 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
427 PR rtl-optimization/51374
428 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
429 to cross other volatile_refs_p insns.
431 2012-02-01 Richard Guenther <rguenther@suse.de>
433 * doc/invoke.texi (fno-inline): Clarify documentation.
434 (finline-small-functions): Likewise.
435 (finline-functions): Likewise.
436 * common.opt (finline): Adjust comment and documentation.
437 (finline-small-functions): Clarify documentation.
438 (finline-functions): Likewise.
439 (finline-functions-called-once): Likewise.
441 2012-02-01 Tristan Gingold <gingold@adacore.com>
443 * c-typeck.c (composite_type): Keep mode for pointers.
445 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
447 * function.h (regno_reg_rtx): Adjust comment.
448 * reginfo.c (init_reg_modes_target): Only use the previous mode
449 if it fits within one register. Remove MIPS comment.
451 2012-01-31 Jakub Jelinek <jakub@redhat.com>
454 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
456 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
458 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
461 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
463 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
465 2012-01-31 Jakub Jelinek <jakub@redhat.com>
470 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
472 2012-01-31 Richard Guenther <rguenther@suse.de>
474 PR tree-optimization/51528
475 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
478 2012-01-31 Jakub Jelinek <jakub@redhat.com>
483 * ree.c (add_removable_extension): Change def_map argument
484 to unsigned *, store in def_map 1 + offset into *insn_list vector
485 instead of pointers into the vector.
486 (find_removable_extensions): Adjust caller.
488 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
490 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
491 Transform all "* quoted-c-code" to { c-code }.
492 Remove redundant test for "optimize" in combine patterns.
493 Move (include "avr-dimode.md") to end of file.
495 2012-01-30 Bin Cheng <bin.cheng@arm.com>
498 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
499 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
501 2012-01-30 Richard Guenther <rguenther@suse.de>
503 PR tree-optimization/52028
504 * tree-loop-distribution.c (ldist_gen): Properly update
507 2012-01-30 Jakub Jelinek <jakub@redhat.com>
510 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
511 set_cur_line_info_table if not emitting debug info.
513 PR tree-optimization/52046
514 * tree-vect-patterns.c (check_bool_pattern): Give up if
515 a comparison could throw.
518 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
520 2012-01-30 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/52045
523 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
524 SSA form if cfgcleanup did anything.
526 2012-01-30 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/52045
529 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
530 before computing final todo.
532 2012-01-30 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/51528
535 * tree-sra.c (sra_modify_assign): Re-factor in preparation
538 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
540 * df-problems.c (df_kill_notes): Check that the use refers
541 to the note under examination.
543 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
546 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
547 parameter and use short-lived pseudos.
548 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
549 (sparc_expand_vector_init): Const-ify local variables and adjust
550 calls to above functions.
552 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
554 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
556 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
558 * doc/invoke.texi: Make usage of "compile time" and
559 "run time"/"runtime" consistent throughout the file.
561 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
563 * config/alpha/alpha.c (alpha_option_override): Default to
564 full IEEE compliance mode for Go language.
566 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
568 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
569 (LINK_SSP_SPEC): Define.
571 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
574 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
577 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
579 * doc/invoke.texi: Correct hyphenation of "floating point",
580 "double precision", and related terminology throughout the file.
582 2012-01-28 Jakub Jelinek <jakub@redhat.com>
585 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
586 arm_general_register_operand predicate for operand 2 instead of
589 2012-01-27 Ian Lance Taylor <iant@google.com>
592 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
593 * builtins.c (expand_builtin_init_trampoline): Add onstack
594 parameter. Change caller.
595 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
596 * tree.c (build_common_builtin_nodes): Declare
597 __builtin_init_heap_trampoline.
599 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
601 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
602 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
603 * config/avr/avr.c: Ditto.
604 (avr_regnames): Remove because unused.
605 * config/avr/avr.md (*cpse.ne): New peephole.
606 (*cpse.eq): New peephole from former cpse peepholes.
608 2012-01-27 Michael Eager <eager@eagercon.com>
610 * config/microblaze.c (microblaze_emit_compare): Correct
611 test after pcmp instruction.
613 2012-01-27 Richard Guenther <rguenther@suse.de>
615 PR tree-optimization/52020
616 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
618 2012-01-27 Richard Guenther <rguenther@suse.de>
620 * ipa-pure-const.c (check_stmt): Clobbers do not make a
621 function non-const/pure.
623 2012-01-27 Richard Guenther <rguenther@suse.de>
625 PR tree-optimization/50444
626 * tree-sra.c (build_ref_for_offset): Properly adjust the
627 MEM_REF type for unaligned accesses.
629 2012-01-27 Richard Guenther <rguenther@suse.de>
631 PR tree-optimization/50444
632 * expr.c (mem_ref_refers_to_non_mem_p): New function.
633 (expand_assignment): Use it. Properly handle misaligned
634 bases when expanding stores to component references.
635 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
638 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
641 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
642 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
643 * tree-data-ref.c (find_data_references_in_loop): Make static.
644 (compute_all_dependences): Change return type to bool. Bail out
645 for too many datarefs in a loop. Move the hunk resetting the data
646 dependences vector from ...
647 (compute_data_dependences_for_loop): ... here. Account for
648 compute_all_dependences returning false.
649 (compute_data_dependences_for_bb): Likewise.
650 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
651 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
653 2012-01-27 Richard Guenther <rguenther@suse.de>
656 * expr.c (store_field): Use the alias-set of the scratch memory
659 2012-01-27 Tom de Vries <tom@codesourcery.com>
661 PR tree-optimization/51990
662 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
664 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
666 2012-01-27 Jakub Jelinek <jakub@redhat.com>
669 * var-tracking.c (reverse_op): Don't add any reverse operation
670 if V already has any constant locations.
672 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
674 * doc/invoke.texi: Correct usage of "command line" (noun)
675 vs "command-line" (adjective) throughout.
677 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
679 * doc/invoke.texi (Language Independent Options): Move
680 -Wcoverage-mismatch blurb from here....
681 (Warning Options): ...to here.
683 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
685 * config/rs6000/rs6000.c (rs6000_option_override_internal):
686 Set rs6000_always_hint to false for 476.
688 2012-01-27 Matthias Klose <doko@ubuntu.com>
690 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
692 * incpath.c (add_standard_paths): Likewise.
694 2012-01-27 Richard Henderson <rth@redhat.com>
696 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
697 * config/m68k/sync.md (atomic_test_and_set): Rename from
698 sync_test_and_setqi and adjust the operands.
699 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
700 and unconditionally enable.
702 2012-01-27 Richard Henderson <rth@redhat.com>
704 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
705 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
706 (ldstub): Rename from ldstubqi.
707 (ldstub<I24MODE>): Remove.
709 2012-01-27 Richard Henderson <rth@redhat.com>
711 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
712 * c-cppbuiltin.c (cpp_atomic_builtins): Define
713 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
714 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
715 * doc/tm.texi: Rebuild.
717 2012-01-27 Richard Henderson <rth@redhat.com>
719 * optabs.c (gen_atomic_test_and_set): Remove default.
720 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
722 2012-01-26 Jakub Jelinek <jakub@redhat.com>
724 PR rtl-optimization/51978
725 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
726 (combine_reaching_defs): Likewise.
727 (struct re_info): Remove.
728 (add_removable_extension): Remove x and data arguments,
729 add insn, insn_list and def_map. Use the arguments directly
730 instead of using struct re_info.
731 (find_removable_extensions): Don't call add_removable_extension
732 through note_stores, instead just call it with single_set
734 (find_and_remove_re): Pass curr_cand->expr instead of
735 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
737 2012-01-26 Michael Matz <matz@suse.de>
739 PR tree-optimization/46590
740 * cfgexpand.c: Revert last change (r183305).
741 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
743 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
744 checking for emptiness.
746 2012-01-26 Jakub Jelinek <jakub@redhat.com>
749 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
750 non-addressable non-BLKmode base correctly.
752 2012-01-26 Michael Matz <matz@suse.de>
754 PR tree-optimization/48794
755 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
756 regions referenced from RESX/EH_DISPATCH.
758 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
760 * config/s390/s390.h: Make BRANCH_COST an option.
761 * config/s390/s390.opt: New option -mbranch-cost.
763 2012-01-26 Richard Henderson <rth@redhat.com>
765 Revert 2012-01-24 change:
766 * trans-mem.c (requires_barrier): Do not instrument thread local
767 variables and emit save/restore for them.
769 2012-01-25 Jakub Jelinek <jakub@redhat.com>
772 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
775 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
777 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
780 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
783 Rename __pgm to __flash.
784 Rename __pgm1 to __flash1.
785 Rename __pgm2 to __flash2.
786 Rename __pgm3 to __flash3.
787 Rename __pgm4 to __flash4.
788 Rename __pgm5 to __flash5.
789 Rename __pgmx to __memx.
790 * doc/extend.texi (AVR Named Address Spaces)
791 Rename address space names as indicated above.
792 * config/avr/avr.c (avr_addrspace): Ditto.
794 * config/avr/avr-protos.h
795 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
796 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
797 * config/avr/predicates.md: Ditto.
798 * config/avr/avr.c Ditto, and
799 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
800 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
802 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
803 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
804 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
805 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
806 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
807 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
808 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
809 * config/avr/avr.c: Ditto.
810 * config/avr/avr.md: Ditto.
812 2012-01-25 Jason Merrill <jason@redhat.com>
815 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
817 2012-01-25 Jakub Jelinek <jakub@redhat.com>
819 PR tree-optimization/51987
820 * tree-data-ref.c (get_references_in_stmt): Handle references in
821 non-volatile GIMPLE_ASM.
823 2012-01-25 Richard Guenther <rguenther@suse.de>
825 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
826 bases are dereferenced.
828 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
830 PR rtl-optimization/48374
831 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
833 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
835 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
836 compute_data_dependences_for_loop returns false.
837 * tree-parloops.c (loop_parallel_p): Likewise.
839 2012-01-25 Richard Guenther <rguenther@suse.de>
841 * tree.h (get_pointer_alignment_1): Declare.
842 * builtins.c (get_pointer_alignment_1): New function.
843 (get_pointer_alignment): Use it.
845 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
847 PR rtl-optimization/48308
848 * combine.c (enum undo_kind): Add UNDO_LINKS.
849 (struct undo): Add member l to other_contents and where.
850 (do_SUBST_LINK): New.
852 (try_combine): Handle LOG_LINKS for the dummy i1 case.
853 (undo_all): Handle UNDO_LINKS.
855 2012-01-25 Richard Henderson <rth@redhat.com>
857 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
860 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
862 * optabs.c (gen_atomic_test_and_set): Use each argument.
864 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
866 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
867 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
868 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
869 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
870 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
871 TARGET_PAIRED_SINGLE_FLOAT.
873 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
875 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
876 (in_struct, return_val): Remove MEM documentation.
877 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
878 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
879 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
881 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
882 * cfgexpand.c (add_alias_set_conflicts): Likewise.
883 * expr.c (store_field): Likewise.
884 * function.c (assign_stack_temp_for_type): Likewise.
885 * ifcvt.c (noce_try_cmove_arith): Likewise.
886 * reload1.c (reload): Likewise.
887 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
888 (alpha_set_memflags): Likewise.
889 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
891 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
893 * rtl.h (true_dependence, canon_true_dependence): Remove varies
895 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
896 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
897 (true_dependence_1, true_dependence, canon_true_dependence): Remove
899 * cselib.c (cselib_rtx_varies_p): Delete.
900 (cselib_invalidate_mem): Update call to canon_true_dependence.
901 * dse.c (record_store, check_mem_read_rtx): Likewise.
902 (scan_reads_nospill): Likewise.
903 * cse.c (check_dependence): Likewise.
904 (cse_rtx_varies_p): Delete.
905 * expr.c (safe_from_p): Update call to true_dependence.
906 * ira.c (validate_equiv_mem_from_store): Likewise.
907 (memref_referenced_p): Likewise.
908 * postreload-gcse.c (find_mem_conflicts): Likewise.
909 * sched-deps.c (sched_analyze_2): Likewise.
910 * store-motion.c (load_kills_store): Likewise.
911 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
912 * gcse.c (mems_conflict_for_gcse_p): Likewise.
913 (compute_transp): Update call to canon_true_dependence.
915 2012-01-25 Richard Henderson <rth@redhat.com>
917 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
918 (maybe_emit_atomic_test_and_set): New.
919 (expand_sync_lock_test_and_set): Use it.
920 (expand_atomic_test_and_set): Likewise.
921 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
922 the implementation; clarify implementation defined details.
923 * doc/md.texi (atomic_test_and_set): Document.
925 2012-01-25 Richard Henderson <rth@redhat.com>
927 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
929 2012-01-25 Richard Henderson <rth@redhat.com>
932 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
933 to effect no-op split.
935 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
938 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
939 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
940 (BT_FN_VOID_PTR_INT_SIZE): New.
941 (BT_FN_UINT_UINT_VAR): Remove.
942 (BT_FN_UINT32_UINT32_VAR): New.
943 (BT_FN_DOUBLE_VPTR): Remove.
944 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
946 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
947 (_ITM_changeTransactionMode): Same.
948 (_ITM_memmoveRtWt): Change return type to void.
949 (_ITM_memcpyRtWt): Same.
950 (_ITM_memsetW): Same.
951 (_ITM_RaRD): Change types to double.
956 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
958 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
959 Patrick Marlier <patrick.marlier@gmail.com>
961 * trans-mem.c (requires_barrier): Do not instrument thread local
962 variables and emit save/restore for them.
964 2012-01-24 Jason Merrill <jason@redhat.com>
967 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
968 output static aliases.
970 2012-01-24 Jakub Jelinek <jakub@redhat.com>
973 * common.opt (-pie, -shared, pie, shared): Change from Common to
975 * gcc.c (display_help): Display help for -pie and -shared.
977 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
980 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
981 Remove note on size/offset limitation.
982 (AVR Variable Attributes): Add example how to read data located
983 with progmem. Refer to named address spaces.
984 * doc/invoke.texi (AVR Options): Fix typo.
986 2012-01-24 Richard Guenther <rguenther@suse.de>
988 Forward-port to trunk
989 2010-09-21 Jakub Jelinek <jakub@redhat.com>
992 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
993 op0 isn't sufficiently aligned and there is movmisalignM
994 insn for mode, use it to load op0 into a temporary register.
996 2012-01-24 Jakub Jelinek <jakub@redhat.com>
999 * target.def (const_not_ok_for_debug_p): New hook.
1000 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1002 * doc/tm.texi: Regenerated.
1003 * dwarf2out.c (const_ok_for_output_1): If
1004 targetm.const_not_ok_for_debug_p returns true, fail.
1005 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1007 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1009 2012-01-23 Kai Tietz <ktietz@redhat.com>
1012 * config/i386/predicates.md (symbolic_operand): Allow
1013 UNSPEC_PCREL as PIC expression for lea.
1014 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1015 * config/i386/i386.c (ix86_delegitimize_address): Handle
1016 UNSPEC_PCREL for none-MEM, too.
1018 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1020 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1021 (ipa_tm_create_version_alias): Same.
1023 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1026 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1027 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1029 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1030 Patrick Marlier <patrick.marlier@gmail.com>
1031 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1034 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1035 simple_object_start_read.
1037 2012-01-23 Richard Guenther <rguenther@suse.de>
1040 PR tree-optimization/51895
1041 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1042 parameter decomposition into BLKmode components.
1044 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1046 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1047 fake variables for restrict-qualified pointers whose pointed-to type
1048 contains a placeholder.
1050 2012-01-23 Richard Guenther <rguenther@suse.de>
1052 PR tree-optimization/51949
1053 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1055 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1057 PR rtl-optimization/51933
1058 * ree.c (transform_ifelse): Return true right away if dstreg is
1059 already wider or equal to cand->mode.
1060 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1061 (make_defs_and_copies_lists): Remove defs_list and copies_list
1062 arguments, add state argument, just truncate state->work_list
1063 instead of always allocating and freeing the vector. Assert that
1064 get_defs succeeds instead of returning 2. Changed return type to bool.
1065 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1066 have ext_src_mode, see if it has been modified already with the
1067 right kind of extension and has been extended before from the
1068 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1069 just return true. Remember the original mode in state->modified array.
1070 (combine_reaching_defs): Add state argument. Don't allocate and
1071 free here def_list, copied_list and vec vectors, instead just
1072 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1073 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1074 Add state variable, clear vectors in it, initialize state.modified
1075 if needed. Free all the vectors at the end and state.modified too.
1076 Don't skip a candidate if the extension expression has been modified.
1078 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1081 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1082 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1083 (extra_options) interix.opt -> i386/interix.opt"
1084 (extra_objs):Add winnt-stubs.o
1085 * configure.ac: Add interix to target_os .comm on PE check.
1086 * configure: Regenerate.
1087 * config/interix3.h: Delete and move bits to..
1088 * config/interix.h: Delete and move bits to..
1089 * config/i386/i386-interix3.h: Delete and move bits to..
1090 * config/i386/i386-interix.h: ..here.
1091 (TARGET_CPU_DEFAULT): Remove redefinition.
1092 (TARGET_ASM_CONSTRUCTOR): Undefine.
1093 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1094 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1095 (PTRDIFF_TYPE): Define.
1096 (LONG_DOUBLE_TYPE_SIZE): Define.
1097 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1098 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1099 (TARGET_SECTION_TYPE_FLAGS): Define.
1100 (ASM_DECLARE_FUNCTION_NAME): Define.
1101 (ASM_OUTPUT_EXTERNAL): Define.
1102 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1103 (ASM_OUTPUT_ALIGNED_BSS): Define.
1104 (PCC_BITFIELD_TYPE_MATTERS): Define.
1105 (USE_CONST_SECTION): Define.
1106 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1107 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1108 (SUPPORTS_ONE_ONLY): Remove.
1109 (I386_PE_STRIP_ENCODING): Define.
1110 * config/interix.opt: Delete and move bits to..
1111 * config/i386/interix.opt: ..here. New.
1112 (mpe-aligned-commons): Add.
1113 * config/i386/t-interix: Add copyright header.
1114 (winnt-stubs.o): Add rule.
1116 2012-01-22 Jason Merrill <jason@redhat.com>
1119 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1120 for extra name aliases.
1122 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1124 PR rtl-optimization/51924
1125 * ree.c (combine_set_extension): Improve debugging message.
1126 (combine_reaching_defs): Likewise.
1127 (get_defs): Rename confusingly named variable.
1128 (find_and_remove_re): Skip a candidate if the extension expression has
1131 2012-01-21 Robert Millan <rmh@gnu.org>
1132 Gerald Pfeifer <gerald@pfeifer.com>
1134 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1135 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1137 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1139 PR tree-optimization/51914
1140 * tree-vect-stmts.c (vectorizable_conversion): For
1141 cvt_type && modifier == WIDEN, put temporary with cvt_type
1142 at the beginning of vec_dsts and set vec_dest to temporary
1145 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1147 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1149 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1151 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1152 * config/rs6000/rs6000.c: Likewise.
1154 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1157 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1158 output_move_double on a copy of operands array.
1160 2012-01-20 Cary Coutant <ccoutant@google.com>
1161 Dodji Seketeli <dodji@redhat.com>
1164 * dwarf2out.c (copy_declaration_context): Return ref to parent
1165 of declaration DIE, if necessary.
1166 (remove_child_or_replace_with_skeleton): Add new parameter; update
1167 caller. Place skeleton DIE under parent DIE of original declaration.
1168 Move call to copy_declaration_context to here ...
1169 (break_out_comdat_types): ... from here.
1171 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1173 PR rtl-optimization/51856
1174 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1177 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1180 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1181 hints for neon loads and stores.
1183 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1187 * doc/extend.texi (Named Address Spaces): Split into subsections.
1188 (AVR Named Address Spaces): New subsection.
1189 (M32C Named Address Spaces): New subsection.
1190 (RL78 Named Address Spaces): New subsection.
1191 (SPU Named Address Spaces): New subsection.
1192 (Variable Attributes): New anchor "AVR Variable Attributes".
1193 (AVR Variable Attributes): Rewrite and avoid wording
1194 "address space" in this context.
1195 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1196 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1197 (AVR Built-in Macros): New subsubsection therein.
1198 * doc/md.texi (AVR constraints): Remove "C04", "R".
1200 2012-01-20 Richard Guenther <rguenther@suse.de>
1202 PR tree-optimization/51903
1203 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1204 when removing stmts.
1206 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1209 * config/arm/arm.c (arm_load_pic_register): Use
1210 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1211 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1212 (arm_pic_static_addr): Likewise.
1213 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1214 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1215 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1216 (pic_load_addr_unified): New.
1218 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1221 * function.c (instantiate_virtual_regs_in_insn): Use
1222 delete_insn_and_edges when removing a wrong asm insn.
1224 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1226 PR rtl-optimization/40761
1227 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1228 Add new member loop_num.
1229 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1230 (ira_build): Remove the parameter.
1232 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1233 (ira.c): Do not build CFG loops for one region allocation. Remove
1234 argument from ira_build call.
1236 * ira-build.c (init_loop_tree_node): New function.
1237 (create_loop_tree_nodes): Use it. Separate the case when CFG
1238 loops are not built.
1239 (more_one_region_p): Check current_loops.
1240 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1242 (add_loop_to_tree): Process loop equal to NULL too.
1243 (form_loop_tree): Separate the case when CFG loops are not built.
1244 Use explicitly number for the root.
1245 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1247 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1248 instead of loop->num.
1249 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1250 (mark_all_loops_for_removal): Ditto.
1251 (remove_unnecessary_regions): Separate the case when CFG loops
1253 (ira_build): Remove the parameter. Use explicit number of regions
1254 when CFG loops are not built.
1256 * ira-color.c (print_loop_title): Separate the case for the root node.
1257 Use loop_num instead of loop->num.
1258 (move_spill_restore): Use loop_num instead of loop->num.
1260 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1261 (change_loop): Ditto.
1262 (change_loop): Use loop_num instead of loop->num.
1264 * ira-lives.c (process_bb_node_lives): Ditto.
1266 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1268 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1270 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1273 * tree-mudflap.c (mf_artificial): New function.
1274 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1275 mx_register_decls, mudflap_enqueue_decl): Use it.
1278 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1279 numbers in the insn pattern.
1281 2012-01-19 Michael Matz <matz@suse.de>
1283 PR tree-optimization/46590
1284 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1285 use it in remembering which conflicts we already created.
1286 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1289 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1292 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1293 (merge_and_complain): Same.
1295 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1298 * config/initfini-array.h: Guard content of the header
1299 with #ifdef HAVE_INITFINI_ARRAY.
1300 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1301 Add initfini-array.h to tm_file here.
1302 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1303 * config.gcc: Don't add initfini-array.h to tm_file here.
1304 * configure: Regenerated.
1306 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1308 PR rtl-optimization/51505
1309 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1310 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1311 (df_note_bb_compute): Update the call to df_kill_notes.
1313 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1315 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1317 2012-01-18 Richard Guenther <rguenther@suse.de>
1319 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1320 of conversions to void *.
1322 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1323 Richard Sandiford <rdsandiford@googlemail.com>
1327 * optabs.h (simplify_expand_binop): Declare.
1328 * optabs.c (simplify_expand_binop): Make global.
1329 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1330 endian targets if the source cannot be exactly covered by word
1333 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1336 * hard-reg-set.h (struct hard_reg_set_container): New type.
1337 * target.h (struct hard_reg_set_container): Forward declare.
1338 * target.def (set_up_by_prologue): New target hook.
1339 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1340 * doc/tm.texi: Regenerated.
1341 * function.c (thread_prologue_and_epilogue_insns): Change
1342 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1343 Call targetm.set_up_by_prologue on it.
1344 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1345 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1347 2012-01-17 Nick Clifton <nickc@redhat.com>
1349 * config/rx/rx.c (rx_can_use_simple_return): New function.
1350 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1351 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1353 2012-01-17 Richard Guenther <rguenther@suse.de>
1356 * expr.c (expand_assignment): Take address-space information
1357 from the address operand of MEM_REF and TARGET_MEM_REF.
1358 (expand_expr_real_1): Likewise.
1360 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1362 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1363 reload dump is requested.
1365 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1368 * trans-mem.c (requires_barrier): Call may_be_aliased.
1370 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1372 PR tree-optimization/51877
1373 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1374 call arguments and fndecls compare equal, instead return false if they
1375 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1376 both SSA_NAMEs that are valueized the same, or they satisfy
1379 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1381 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1383 * configure: Regenerate.
1385 2012-01-16 Jan Hubicka <jh@suse.cz>
1389 * convert.c (convert_to_integer): Use fold_convert for
1390 converting an INTEGER_CST to integer type.
1392 2012-01-16 Jason Merrill <jason@redhat.com>
1395 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1397 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1400 * config/s390/s390.c (s390_chunkify_start): Don't skip
1401 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1402 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1403 If insn is followed by NOTE_INSN_VAR_LOCATION or
1404 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1405 Don't use location of note insns.
1407 PR tree-optimization/51865
1408 * tree-inline.c (tree_function_versioning): Call remap_decl
1409 on DECL_RESULT whenever it has VOID_TYPE_P type.
1411 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1413 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1414 for calls to locally-binding MIPS16 functions if only the return
1415 type uses float regs.
1417 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1418 Richard Sandiford <rdsandiford@googlemail.com>
1420 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1421 (SYMBOL_32_HIGH): Likewise.
1422 (mips_output_tls_reloc_directive): Declare.
1423 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1424 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1425 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1426 (mips_lo_relocs, mips_hi_relocs): Make extern.
1427 (mips16_stub_function): Move up file.
1428 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1429 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1430 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1431 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1432 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1433 (mips_get_tp): Add MIPS16 support.
1434 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1435 Generalize DTPREL and TPREL handling.
1436 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1437 Add MIPS16 TLS support.
1438 (mips_output_tls_reloc_directive): New function.
1439 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1440 * config/mips/predicates.md (symbolic_operand_with_high)
1441 (tls_reloc_operand): New predicates.
1442 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1443 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1444 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1445 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1446 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1447 (*tls_get_tp_mips16_call_<mode>): Likewise.
1449 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1451 PR rtl-optimization/51821
1452 * recog.c (peep2_find_free_register): Determine clobbered registers
1455 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1458 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1459 * config/avr/avr.c: Likewise.
1460 * config/avr/avr.h: Likewise.
1462 2012-01-13 Ian Lance Taylor <iant@google.com>
1465 * tree.h (TYPE_QUALS): Add cast to int.
1466 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1468 2012-01-13 Ian Lance Taylor <iant@google.com>
1470 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1471 comparing param_index to VEC_length result.
1473 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1475 * c-decl.c: Do not include tree-mudflap.h
1476 * tree-optimize.c: Likewise.
1477 * Makefile.in: Update dependencies.
1479 2012-01-13 Richard Guenther <rguenther@suse.de>
1482 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1483 variable-sized result always use RSO.
1485 2012-01-12 DJ Delorie <dj@redhat.com>
1487 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1488 pointer type, not just the default pointer type.
1490 2012-01-09 Richard Henderson <rth@redhat.com>
1491 Denis Chertykov <chertykov@gmail.com>
1494 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1495 * config/avr/avr.c (avr_can_eliminate): Simplify.
1496 (avr_initial_elimination_offset): Likewise.
1497 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1498 (expand_epilogue): Likewise.
1499 (avr_legitimize_address): Gut.
1500 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1501 (avr_hard_regno_nregs): New.
1502 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1503 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1504 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1505 add soft frame pointer.
1506 (CALL_USED_REGISTERS): Likewise.
1507 (REG_CLASS_CONTENTS): Likewise.
1508 (REGISTER_NAMES): Likewise.
1509 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1510 (HARD_FRAME_POINTER_REGNUM): New.
1511 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1512 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1513 remove the HARD_FRAME_POINTER self-elimination.
1515 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1518 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1519 DECL_EXTERNAL when checking for initializers of progmem variables.
1521 2012-01-12 Ira Rosen <irar@il.ibm.com>
1523 PR tree-optimization/51799
1524 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1525 that the last operation is a type demotion.
1527 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1529 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1530 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1532 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1535 * combine.c (distribute_notes): If i3 is a noreturn call,
1536 allow old_size to be equal to args_size and make sure the
1537 noreturn call gets REG_ARGS_SIZE note.
1538 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1539 on noreturn calls even when the delta is 0.
1541 2012-01-11 Nathan Sidwell <nathan@acm.org>
1543 * gcov.c (STRING_SIZE): Remove.
1544 (generate_results): Erase annotations for source files with no
1545 coverage information.
1547 (output_lines): Use it.
1549 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1551 * gimple.h (gimplify_body): Remove first argument.
1552 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1553 pointer set here, instead just pass DATA to walk_tree.
1554 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1555 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1556 (unvisit_body): Likewise, but with unmark_visited.
1557 (gimplify_body): Remove BODY_P argument and adjust.
1558 (gimplify_function_tree): Adjust call to gimplify_body.
1559 * omp-low.c (finalize_task_copyfn): Likewise.
1561 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1563 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1564 (build_function_type_skip_args): Delete.
1565 * tree.c (build_function_type_skip_args): Make static and add
1566 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1567 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1568 pass it to build_function_type_skip_args.
1569 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1570 (tree_function_versioning): Likewise.
1571 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1572 build_function_decl_skip_args.
1573 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1574 and pass it to build_function_decl_skip_args/tree_function_versioning.
1575 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1576 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1577 * trans-mem.c (ipa_tm_create_version): Likewise.
1578 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1579 * tree-inline.c (declare_return_variable): Remove always-true test.
1580 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1581 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1582 * ipa-split.c (split_function): Skip the return value for the split
1583 part if it doesn't return.
1585 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1587 PR tree-optimization/49642
1588 * ipa-split.c (forbidden_dominators): New variable.
1589 (check_forbidden_calls): New function.
1590 (dominated_by_forbidden): Likewise.
1591 (consider_split): Check for forbidden dominators.
1592 (execute_split_functions): Initialize and free forbidden
1593 dominators info; call check_forbidden_calls.
1595 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1597 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1599 2012-01-11 Nick Clifton <nickc@redhat.com>
1601 * config/rx/rx.md (return): Define pattern.
1603 2012-01-11 Richard Guenther <rguenther@suse.de>
1605 * doc/extend.texi (malloc attribute): Adjust according to
1608 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1609 Patrick Marlier <patrick.marlier@gmail.com>
1612 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1613 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1614 (ipa_tm_note_irrevocable): Same.
1615 (ipa_tm_scan_irr_block): Same.
1616 (ipa_tm_decrement_clone_counts): Same.
1617 (ipa_tm_scan_irr_function): Same.
1618 (ipa_tm_create_version_alias): Same.
1619 (ipa_tm_create_version): Same.
1620 (ipa_tm_transform_calls_redirect): Same.
1621 (ipa_tm_transform_calls): Same.
1622 (ipa_tm_transform_transaction): Same.
1623 (ipa_tm_execute): Same.
1625 2012-01-10 Richard Guenther <rguenther@suse.de>
1628 * opts.c (common_handle_option): Handle -Werror.
1630 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1632 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1635 2012-01-10 Jason Merrill <jason@redhat.com>
1637 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1640 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1642 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1643 supports R_386_TLS_GD_PLT reloc.
1644 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1645 supports R_386_TLS_LDM_PLT reloc.
1646 * configure: Regenerate.
1647 * config.in: Regenerate.
1649 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1652 Extend __pgmx semantics to linearize memory.
1653 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1654 determine if code comes inline or from libgcc.
1655 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1656 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1657 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1658 (movmemx_qi, movmemx_hi): New insns.
1659 (xload_<mode>_libgcc): Rewrite to new insn condition.
1660 (xload_<mode>): Remove insns.
1661 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1662 cases that don't satisfy avr_xload_libgcc_p().
1663 (avr_addr_space_convert): Allow converting in any direction.
1664 (avr_addr_space_subset_p): Return always true.
1665 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1666 (avr_emit_movmemhi): Ditto.
1667 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1668 (avr_out_movmem): Ditto.
1669 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1670 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1671 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1672 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1673 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1675 2012-01-10 Richard Guenther <rguenther@suse.de>
1677 PR tree-optimization/50913
1678 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1679 Require data-refs to be representable by Graphite with respect
1682 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1684 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1685 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1687 2012-01-10 Tom de Vries <tom@codesourcery.com>
1689 PR rtl-optimization/51271
1690 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1691 handling annulled branch.
1693 2012-01-10 Richard Henderson <rth@redhat.com>
1695 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1696 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1697 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1698 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1699 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1700 arm_expand_vec_perm_const): New.
1701 * config/arm/arm-protos.h: Update.
1702 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1703 (*neon_vswp<VDQX>): New.
1704 (neon_vcombine<VDX>): Use neon_split_vcombine.
1705 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1706 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1707 (vec_perm<VE>): New.
1709 2012-01-10 Richard Henderson <rth@redhat.com>
1711 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1712 use it if reload_completed.
1713 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1714 arm_output_asm_insn, arm_process_output_memory_barrier,
1715 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1716 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1717 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1718 arm_process_output_sync_insn, arm_output_sync_insn,
1719 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1720 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1721 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1722 (emit_unlikely_jump): New.
1723 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1724 (arm_split_atomic_op): New.
1725 * config/arm/arm-protos.h: Update.
1726 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1727 (struct arm_sync_generator): Remove.
1728 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1729 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1730 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1731 (VUNSPEC_LL, VUNSPEC_SC): New.
1732 (sync_result, sync_memory, sync_required_value, sync_new_value,
1733 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1734 (attr length): Don't use arm_sync_loop_insns.
1735 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1736 (movsfcc, movdfcc): Likewise.
1737 * config/arm/constraints.md (Ua): New.
1738 * config/arm/prediates.md (mem_noofs_operand): New.
1739 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1740 (sync_clobber, sync_t2_reqd): Remove.
1741 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1742 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1743 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1744 (arm_sync_compare_and_swap<SIDI>): Remove.
1745 (arm_sync_compare_and_swap<NARROW>): Remove.
1746 (arm_sync_lock_test_and_set<SIDI>): Remove.
1747 (arm_sync_lock_test_and_set<NARROW>): Remove.
1748 (arm_sync_new_<syncop><SIDI>): Remove.
1749 (arm_sync_new_<syncop><NARROW>): Remove.
1750 (arm_sync_new_nand<SIDI>): Remove.
1751 (arm_sync_new_nand<NARROW>): Remove.
1752 (arm_sync_old_<syncop><SIDI>): Remove.
1753 (arm_sync_old_<syncop><NARROW>): Remove.
1754 (arm_sync_old_nand<SIDI>): Remove.
1755 (arm_sync_old_nand<NARROW>): Remove.
1756 (*memory_barrier): Merge arm_output_memory_barrier.
1757 (atomic_compare_and_swap<QHSD>): New.
1758 (atomic_compare_and_swap<NARROW>_1): New.
1759 (atomic_compare_and_swap<SIDI>_1): New.
1760 (atomic_exchange<QHSD>): New.
1761 (cas_cmp_operand, cas_cmp_str): New.
1762 (atomic_op_operand, atomic_op_str): New.
1763 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1764 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1765 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1766 (arm_load_exclusive<NARROW>): New.
1767 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1768 (arm_store_exclusive<QHSD>): New.
1770 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1772 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1773 reload patterns if -mvsx-scalar-memory.
1775 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1776 generated, even -mno-vsx-scalar-double was used.
1777 (vsx_xscvdpsp_scalar): Likewise.
1778 (vsx_xscvspdp_scalar2): Likewise.
1780 2012-01-09 Tom de Vries <tom@codesourcery.com>
1781 Andrew Pinski <apinski@cavium.com>
1784 * reorg.c (fill_slots_from_thread): Don't speculate
1785 frame-related insns.
1787 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1789 * sched-int.h (bb_note): Move to...
1790 * basic-block.h: ...here.
1791 * haifa-sched.c (bb_note): Move to...
1792 * cfgrtl.c: ...here.
1793 * function.c (next_block_for_reg): New function.
1794 (move_insn_for_shrink_wrap): Likewise.
1795 (prepare_shrink_wrap): Rewrite to use the above.
1797 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1799 * gimple.c (is_gimple_non_addressable): Remove.
1800 * gimple.h: Remove is_gimple_non_addressable.
1801 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1802 is_gimple_non_addressable.
1803 * trans-mem.c (expand_assign_tm): Same.
1805 2012-01-09 Richard Guenther <rguenther@suse.de>
1807 PR tree-optimization/51775
1808 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1809 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1811 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1813 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1815 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1817 2012-01-09 Richard Guenther <rguenther@suse.de>
1819 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1821 2012-01-08 Jan Hubicka <jh@suse.cz>
1823 PR tree-optimize/51680
1824 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1825 on when known_vals needs to be computed; cleanup.
1827 2012-01-08 Jan Hubicka <jh@suse.cz>
1829 PR tree-optimize/51694
1830 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1832 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1834 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1835 for -std=c++98 and -std=c++11 too.
1837 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1839 * cfgloop.c (cancel_loop): Add free() of bbs array.
1841 2012-01-07 Jan Hubicka <jh@suse.cz>
1843 PR tree-optimization/51600
1844 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1845 that benefits small functions.
1847 2012-01-07 Jan Hubicka <jh@suse.cz>
1849 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1851 2012-01-07 Jan Hubicka <jh@suse.cz>
1853 PR tree-optimization/51680
1854 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1855 whose inlining reduce unit size.
1857 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1860 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1861 Add canonical node to containing_mem chain after the non-canonical
1862 one, even if there weren't any locs to propagate.
1863 (remove_useless_values): Keep only canonical values.
1864 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1865 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1866 canonicalize mem_chain elements that are not discarded.
1868 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1871 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1872 before emitting functions.
1874 PR gcov-profile/50127
1875 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1876 clear_aux_for_blocks.
1878 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1881 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1883 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1885 * c-decl.c (ext_block): Moved up.
1886 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1888 2012-01-06 Han Shen <shenhan@google.com>
1890 Translate built-in include paths for sysroot.
1891 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1892 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1894 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1895 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1897 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1898 control whether sysroot should be prepended to gxx include dir.
1900 * configure: Regenerate.
1902 2012-01-06 Torvald Riegel <triegel@redhat.com>
1904 PR rtl-optimization/51771
1905 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1906 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1908 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1910 PR tree-optimization/51315
1911 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1912 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1914 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1917 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1918 for shrp pattern. Correctly handle and fixup shift variable.
1919 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1921 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1924 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1925 note when !ACCUMULATE_OUTGOING_ARGS.
1927 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1929 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1931 (extract_range_from_unary_expr_1): Avoid useless computations.
1933 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1935 PR rtl-optimization/51767
1936 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1937 of jump_block and add an extra edge for degenerated asm gotos.
1940 * stmt.c (check_unique_operand_names): Don't ICE during error
1941 reporting if i is from labels chain.
1944 * profile.c (branch_prob): Split bbs that have exit edge
1945 and need a fake entry edge too.
1947 2012-01-05 Jan Hubicka <jh@suse.cz>
1950 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1953 2012-01-05 Richard Guenther <rguenther@suse.de>
1956 * tree-streamer-out.c (write_ts_optimization): New function.
1957 (streamer_write_tree_body): Call it.
1958 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1959 (streamer_read_tree_body): Call it.
1960 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1962 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1965 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1966 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1967 in_cleanup_point_expr before gimplify_stmt call and restore it
1969 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1970 in_cleanup_point_expr is false.
1972 2012-01-05 Richard Guenther <rguenther@suse.de>
1975 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1977 * toplev.c (process_options): Reject combining mudflap and LTO.
1978 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1980 2012-01-05 Richard Guenther <rguenther@suse.de>
1982 PR tree-optimization/51760
1983 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1985 (bit_value_unop): Handle UNDEFINED operands.
1986 (bit_value_binop): Likewise.
1988 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1990 * config/avr/avr.c (avr_replace_prefix): Remove.
1991 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1992 (avr_asm_function_rodata_section): Ditto.
1993 (avr_asm_select_section): Ditto.
1995 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1997 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2000 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2003 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2004 calls that have any non-fake successor edges.
2007 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2009 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2011 PR tree-optimization/51624
2012 * tree-sra.c (build_ref_for_model): When replicating a chain of
2013 COMPONENT_REFs, stop as soon as the offset would become negative.
2015 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2018 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2019 in .debug_loc on the floor.
2021 2012-01-04 Andrew Pinski <apinski@cavium.com>
2023 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2025 2012-01-04 Andrew Pinski <apinski@cavium.com>
2026 Adam Nemet <anemet@caviumnetworks.com>
2028 * config/mips/mips.md (size): Add SI and DI.
2029 (SIZE): New mode attribute.
2030 (U): New code attribute.
2031 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2032 (mips_lbux_<mode>): Delete.
2033 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2034 (mips_lhx): Use gen_mips_lhx_extsi.
2035 (mips_lhx_<mode>): Delete.
2037 (mips_l<size>x): New expand.
2038 (mips_lwx_<mode>): Delete.
2039 (mips_l<GPR:size>x_<P:mode>): New pattern.
2040 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2041 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2042 * config/mips/mips.c (mips_lx_address_p): New function.
2043 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2044 (dsp64): New availability predicate.
2045 (mips_builtins): Add an entry for __builtin_mips_ldx.
2046 * config/mips/mips.h (ISA_HAS_LBX): New define.
2047 (ISA_HAS_LBUX): Likewise.
2048 (ISA_HAS_LHX): Likewise.
2049 (ISA_HAS_LHUX): Likewise.
2050 (ISA_HAS_LWX): Likewise.
2051 (ISA_HAS_LWUX): Likewise.
2052 (ISA_HAS_LDX): Likewise.
2053 * doc/extend.texi (__builtin_mips_ldx): Document.
2055 2012-01-04 Tristan Gingold <gingold@adacore.com>
2057 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2058 when long pointers are used.
2059 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2060 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2061 (ia64-hp-*vms*): Remove.
2062 * config/vms/xm-vms64.h: Delete.
2064 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2067 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2069 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2071 * opts.c (finish_options): Remove duplicate sorry.
2073 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2076 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2079 2012-01-04 Richard Guenther <rguenther@suse.de>
2082 * tree.c (size_low_cst): New function.
2083 * tree.h (size_low_cst): Declare.
2084 * fold-const.c (fold_comparison): Use it to extract the low
2085 part of the POINTER_PLUS_EXPR offset.
2087 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2089 Fix clearing ZERO_REG
2090 * config/avr/avr.md (cc): Add alternative "ldi".
2091 (movqi_insn): Use it in cc attribute.
2092 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2093 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2094 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2096 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2098 * configure: Regenerate.
2100 2012-01-04 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/49651
2103 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2104 (var_can_have_subvars): Use it.
2105 (get_constraint_for_1): Only consider subfields if there can be any.
2107 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2110 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2111 to its new canonical_cselib_val and the cselib_val was in
2112 first_containing_mem chain, but the canonical_cselib_val was not,
2113 add the latter into the chain.
2114 (cselib_invalidate_mem): Compare canonical_cselib_val of
2115 addr_list chain elt with v.
2118 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2119 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2121 (output_macinfo_op): Don't ggc_strdup fd->filename.
2122 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2123 then ggc_strdup it. Don't free inc->info or cur->info.
2124 (output_macinfo): Don't free ref->info or file->info.
2126 2012-01-03 Ira Rosen <irar@il.ibm.com>
2128 PR tree-optimization/51269
2129 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2130 first_niters a pointer.
2131 (slpeel_tree_peel_loop_to_edge): Likewise.
2132 (vect_do_peeling_for_loop_bound): Update call to
2133 slpeel_tree_peel_loop_to_edge.
2134 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2135 here. Remove it from the parameters list.
2136 (vect_do_peeling_for_alignment): Update calls and compute
2139 2012-01-03 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/51070
2142 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2143 Properly handle calls.
2145 2012-01-03 Richard Guenther <rguenther@suse.de>
2147 PR tree-optimization/51692
2148 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2149 the LHS of allocation stmts.
2151 2012-01-03 Olivier Hainque <hainque@adacore.com>
2153 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2155 2012-01-03 Olivier Hainque <hainque@adacore.com>
2157 * collect2.c (main): In AIX specific computations for vector
2158 insertions, use CONST_CAST2 to cast from char ** to const char **.
2160 2012-01-03 Richard Guenther <rguenther@suse.de>
2163 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2164 the context of a limbo DIE when it does not already exist.
2166 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2168 PR tree-optimization/51719
2169 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2170 but direct call is, clear direct call's lhs and don't add fallthrough
2171 edge from dcall_bb to join_bb and PHIs.
2173 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2175 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2176 the instructions emitted by the pattern.
2177 ("*TDC_insn_<mode>"): Add comment.
2179 2012-01-03 Richard Guenther <rguenther@suse.de>
2182 * fold-const.c (fold_comparison): Properly canonicalize
2183 tree offset and HOST_WIDE_INT bit position.
2185 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2187 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2188 operands for extzv pattern.
2190 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2193 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2196 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2198 * doc/invoke.texi (-flto and related options): Copy-edit.
2200 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2202 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2204 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2206 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2209 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2211 * expr.h (move_by_pieces_ninsns): Declare.
2212 * expr.c (move_by_pieces_ninsns): Make external.
2213 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2214 (mips_store_by_pieces_p): Likewise.
2215 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2216 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2217 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2218 (mips_store_by_pieces_p): Likewise.
2220 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2222 * passes.c (register_one_dump_file): Free full_name.
2224 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2225 (calculate_elim_costs_all_insns): Free offsets_at and
2226 offsets_known_at at the end and clear the pointers.
2228 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2230 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2231 this option introduced in r180739.
2233 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2236 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2237 (tmake_file target=avr): Add avr/t-multilib.
2239 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2240 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2241 * config/avr/genmultilib.awk: New file.
2242 * config/avr/t-multilib: New auto-generated file.
2243 * config/avr/multilib.h: New auto-generated file.
2244 * config/avr/t-avr (AVR_MCUS): New variable.
2245 (genopt.sh): Use it.
2246 (s-mlib): Depend on t-multilib.
2247 (t-multilib, multilib.h): New dependencies.
2248 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2249 (MULTILIB_OPTIONS): Remove.
2250 (MULTILIB_MATCHES): Remove.
2251 (MULTILIB_DIRNAMES): Remove.
2252 (MULTILIB_EXCEPTIONS): Remove:
2253 * config/avr/genopt.sh: Don't use hard coded file name;
2254 pass AVR_MCUS from t-avr instead.
2256 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2258 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2260 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2262 Implement light-weight DImode support.
2263 * config/avr/avr-dimode.md: New file.
2264 * config/avr/avr.md: Include it.
2265 (adjust_len): Add plus64, compare64.
2266 (HIDI): Remove code iterator.
2267 (code_stdname): New code attribute.
2268 (rotx, rotsmode): Remove DI.
2269 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2271 * config/avr/avr-protos.h (avr_have_dimode): New.
2272 (avr_out_plus64, avr_out_compare64): New.
2273 * config/avr/avr.c (avr_out_compare): Handle DImode.
2274 (avr_have_dimode): New variable definition and initialization.
2275 (avr_out_compare64, avr_out_plus64): New functions.
2276 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2277 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2278 (avr_compare_pattern): Skip DImode comparisons.
2280 2012-01-02 Revital Eres <revital.eres@linaro.org>
2282 * ddg.c (def_has_ccmode_p): New function.
2283 (add_cross_iteration_register_deps,
2284 create_ddg_dep_from_intra_loop_link): Call it.
2286 2012-01-02 Richard Guenther <rguenther@suse.de>
2289 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2291 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2293 * gcc.c (process_command): Update copyright notice dates.
2294 * gcov.c (print_version): Likewise.
2295 * gcov-dump.c (print_version): Likewise.
2296 * mips-tfile.c (main): Likewise.
2297 * mips-tdump.c (main): Likewise.
2299 2012-01-01 Ira Rosen <irar@il.ibm.com>
2301 PR tree-optimization/51704
2302 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2303 a use is inside the basic block or loop before accessing its vect info.
2305 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2307 PR rtl-optimization/51069
2308 * cfgloopmanip.c (remove_path): Removing path making irreducible
2309 region unconditional makes BB part of the region.
2311 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2313 PR tree-optimization/51683
2314 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2315 calls with side-effects.
2316 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2318 Copyright (C) 2012 Free Software Foundation, Inc.
2320 Copying and distribution of this file, with or without modification,
2321 are permitted in any medium without royalty provided the copyright
2322 notice and this notice are preserved.
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