1 2012-01-29 Robert Millan <rmh@gnu.org>
2 Gerald Pfeifer <gerald@pfeifer.com>
4 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
7 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
9 PR rtl-optimization/52175
10 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
11 to frame-related instructions.
13 2012-02-10 Jason Merrill <jason@redhat.com>
16 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
17 (demangle_new_symbols): Fill it.
18 (scan_linker_output): Walk it.
19 (start_tweaking): Split out from scan_linker_output.
20 (maybe_tweak): Update sym->chosen.
21 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
23 2012-02-11 Jakub Jelinek <jakub@redhat.com>
26 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
29 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
31 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
32 having the same mode as previous compare.
34 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
36 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
37 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
38 (nonlocal_goto_internal): Likewise.
39 (nonlocal_goto): Emit a use and an indirect jump directly.
41 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
44 * doc/extend.texi : Update comments for __atomic_compare_exchange and
45 __atomic_{is,always}_lock_free.
47 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
50 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
51 negative constant address for x32.
53 2012-02-10 Richard Henderson <rth@redhat.com>
55 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
56 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
57 for GIMPLE_TRANSACTION. Tidy if's into a switch.
59 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
60 Ira Rosen <irar@il.ibm.com>
62 PR tree-optimization/50031
63 * targhooks.c (default_builtin_vectorization_cost): Handle
65 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
66 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
67 all types of reduction and pattern statements.
68 (vect_estimate_min_profitable_iters): Likewise.
69 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
70 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
71 for explicit realigns.
72 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
73 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
75 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
76 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
77 vec_perm for VSX and handle vec_promote_demote.
79 2012-02-10 Jakub Jelinek <jakub@redhat.com>
82 * builtins.c (fold_builtin_atomic_always_lock_free,
83 expand_builtin_atomic_always_lock_free,
84 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
85 Return and/or test boolean_true_node/boolean_false_node instead of
86 integer_one_node/integer_zero_node.
88 2012-02-10 Jan Hubicka <jh@suse.cz>
91 * predict.c (predict_paths_for_bb): Prevent looping.
92 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
94 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
96 * config/arm/arm.c (output_move_double): In one case properly
97 count number of instructions that will be emitted.
99 2012-02-10 Richard Guenther <rguenther@suse.de>
102 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
104 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
107 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
109 2012-02-09 Jakub Jelinek <jakub@redhat.com>
112 * var-tracking.c (emit_note_insn_var_location): If
113 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
114 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
115 non-NOTE_DURING_CALL_P insn.
117 2012-02-09 Bin Cheng <bin.cheng@arm.com>
120 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
122 2012-02-08 Magnus Granberg <zorry@gentoo.org>
125 * gcc.c (switch_matches) Support switches with separated form,
128 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
130 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
133 * config/avr/avr.c (avr_addr_t): New typedef.
134 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
135 (avr_init_expanders): Initialize it.
136 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
138 (expand_epilogue): Ditto.
139 (avr_print_operand): Ditto.
140 (avr_file_start): Ditto.
141 (avr_emit_movmemhi): Ditto.
143 2012-02-08 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/46886
146 * tree-flow.h (do_while_loop_p): Declare.
147 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
148 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
150 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
152 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
153 always succeed for integers larger than a native word.
155 2012-02-08 Richard Guenther <rguenther@suse.de>
157 PR rtl-optimization/52170
158 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
159 properly handle integer vector modes.
161 2012-02-08 Jakub Jelinek <jakub@redhat.com>
163 PR gcov-profile/52150
164 * coverage.c: Include target.h.
165 (build_var): Call targetm.strip_name_encoding on the assembler name.
166 Change one _ into . or $ if the target allows it.
167 * Makefile.in (coverage.o): Depend on $(TARGET_H).
169 PR rtl-optimization/52139
170 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
171 is a BARRIER after emit_insn_after_noloc, move BB_END
172 to the last non-BARRIER insn before it.
174 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
177 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
178 (mips_gimplify_va_arg_expr): Call it instead of
179 std_gimplify_va_arg_expr.
181 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
183 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
184 message for -mno-pointers-to-nested-function.
186 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
189 * expr.c (get_inner_reference): If there is an offset, add a negative
190 bit position to it (if any).
192 2012-02-07 Jakub Jelinek <jakub@redhat.com>
194 PR rtl-optimization/52060
195 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
196 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
197 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
198 and/or i0src_copy2 when needed.
200 2012-02-07 Jakub Jelinek <jakub@redhat.com>
202 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
203 or LTOPLUGINSONAME if have_c.
205 * config/freebsd-spec.h: Add comment about what macros can be defined
207 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
208 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
211 2012-02-07 Richard Guenther <rguenther@suse.de>
213 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
214 newline in -alias dumps.
216 2012-02-07 Kai Tietz <ktietz@redhat.com>
217 Dave Korn <dave.korn.cygwin@gmail.com>
220 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
221 Take care that typinfo gets dllexport-attribute.
223 2012-02-07 Jakub Jelinek <jakub@redhat.com>
226 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
227 if modifier < EXPAND_SUM call force_operand on the result.
229 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
231 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
232 adding __forwarder_dst__ prefix if a forwarder_section attribute is
234 (epiphany_function_type): Replace types for specific interrupts with
235 EPIPHANY_FUNCTION_INTERRUPT.
236 (EPIPHANY_INTERRUPT_P): Update.
237 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
239 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
240 <disinterrupt>: Affects type identity.
241 (epiphany_handle_interrupt_attribute): Handle variable number of
243 (epiphany_compute_function_type): Update for new
244 epiphany_function_type definition.
245 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
246 handlers with a longcall forwarder.
247 (epiphany_start_function): Handle multiple interrupt arguments and/or
248 forwarder_section attribute.
250 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
253 2012-02-07 Alan Modra <amodra@gmail.com>
256 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
259 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
261 PR tree-optimization/50969
262 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
263 use vec_perm rather than vector_stmt.
264 (vect_model_load_cost): Likewise.
265 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
266 vec_perm to be the same as other vector statements.
267 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
268 cost of vec_perm for TARGET_VSX.
270 2012-02-06 Richard Guenther <rguenther@suse.de>
272 PR tree-optimization/52115
273 * tree-sra.c (access_has_replacements_p): New function.
274 (sra_modify_assign): Use it to decide whether a use is uninitialized.
276 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
279 * trans-mem.c (expand_call_tm): Add an assertion.
280 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
283 2012-02-06 Richard Guenther <rguenther@suse.de>
285 PR tree-optimization/50955
286 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
287 raise cost of expressions that replace an address with an
288 expression based on a different pointer.
290 2012-02-06 Jakub Jelinek <jakub@redhat.com>
293 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
294 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
296 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
299 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
300 -Weffc++ and specify guidelines come from second edition.
302 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
304 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
305 (sibcall_value_multiple_internal, call_split, call_internal_direct)
306 (call_direct_split, call_value_split, call_value_internal_direct)
307 (call_value_direct_split, call_value_multiple_split): Use jal and
308 jal_macro attributes.
310 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
312 * reload1.c (reload_regs_reach_end_p): Replace with...
313 (reload_reg_rtx_reaches_end_p): ...this function.
314 (new_spill_reg_store): Update commentary.
315 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
316 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
317 before setting new_spill_reg_store.
318 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
319 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
320 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
321 for non-spill reload registers.
323 2012-02-05 Ira Rosen <irar@il.ibm.com>
325 PR tree-optimization/52091
326 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
327 (vect_is_simple_use_1): Likewise.
328 * tree-vect-loop.c (vectorizable_reduction): Update calls
329 to vect_is_simple_use_1 and vect_is_simple_use.
330 (vectorizable_live_operation): Likewise.
331 * tree-vect-patterns.c (widened_name_p,
332 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
333 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
334 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
335 vectorizable_shift,vectorizable_operation, vectorizable_store,
336 vectorizable_load): Likewise.
337 (vect_is_simple_cond): Add an argument, pass it to
338 vect_is_simple_use_1.
339 (vectorizable_condition): Update calls to vect_is_simple_cond,
341 (vect_is_simple_use): Add an argument, the statement in which
342 OPERAND is used. Check that if OPERAND's def stmt is a double
343 reduction phi node, the use is a phi node too.
344 (vect_is_simple_use_1): Add an argument, pass it to
346 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
347 to vect_is_simple_use.
349 2012-02-04 Jakub Jelinek <jakub@redhat.com>
351 PR rtl-optimization/52095
352 * modulo-sched.c (dump_insn_locator): New function.
353 (loop_canon_p, sms_schedule): Use it.
355 PR rtl-optimization/52113
356 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
357 even for decomposable shift/zext insns.
359 2012-02-03 Jakub Jelinek <jakub@redhat.com>
360 Zdenek Dvorak <ook@ucw.cz>
362 PR rtl-optimization/52092
363 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
364 on get_iv_value result.
366 2012-02-02 Andrew Pinski <apinski@cavium.com>
370 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
372 2012-02-02 Jakub Jelinek <jakub@redhat.com>
375 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
377 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
379 PR rtl-optimization/49800
380 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
381 (sched_finish): Call regstat_free_n_sets_and_refs.
383 2012-02-02 Jia Liu <proljc@gmail.com>
385 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
388 2012-02-02 Jan Hubicka <jh@suse.cz>
389 Tom de Vries <tom@codesourcery.com>
392 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
393 * varpool.c (varpool_analyze_pending_decls): Likewise.
395 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
396 Jayant R Sonar <jayant.sonar@kpitcummins.com>
398 * config.gcc: Add cr16-* support.
400 * doc/extend.texi: Document cr16 extensions.
401 * doc/install.texi: Document cr16 install.
402 * doc/invoke.texi: Document cr16 options.
403 * doc/md.texi: Document cr16 constraints.
405 * common/config/cr16/cr16-common.c: New file.
406 * config/cr16/cr16.c: New file.
407 * config/cr16/cr16.h: New file.
408 * config/cr16/cr16.md: New file.
409 * config/cr16/cr16.opt: New file.
410 * config/cr16/cr16-protos.h: New file.
411 * config/cr16/predicates.md: New file.
412 * config/cr16/constraints.md: New file.
413 * config/cr16/t-cr16: New file.
415 2012-02-02 Jakub Jelinek <jakub@redhat.com>
418 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
419 that operands[2] is either immediate, or q_regs_operand.
421 PR tree-optimization/52073
422 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
423 a pattern stmt for pattern uses, ignore uses outside of the loop.
425 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
427 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
428 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
429 (OUT_AS1, OUT_AS2): Remove.
431 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
433 PR rtl-optimization/51374
434 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
435 to cross other volatile_refs_p insns.
437 2012-02-01 Richard Guenther <rguenther@suse.de>
439 * doc/invoke.texi (fno-inline): Clarify documentation.
440 (finline-small-functions): Likewise.
441 (finline-functions): Likewise.
442 * common.opt (finline): Adjust comment and documentation.
443 (finline-small-functions): Clarify documentation.
444 (finline-functions): Likewise.
445 (finline-functions-called-once): Likewise.
447 2012-02-01 Tristan Gingold <gingold@adacore.com>
449 * c-typeck.c (composite_type): Keep mode for pointers.
451 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
453 * function.h (regno_reg_rtx): Adjust comment.
454 * reginfo.c (init_reg_modes_target): Only use the previous mode
455 if it fits within one register. Remove MIPS comment.
457 2012-01-31 Jakub Jelinek <jakub@redhat.com>
460 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
462 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
464 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
467 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
469 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
471 2012-01-31 Jakub Jelinek <jakub@redhat.com>
476 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
478 2012-01-31 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/51528
481 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
484 2012-01-31 Jakub Jelinek <jakub@redhat.com>
489 * ree.c (add_removable_extension): Change def_map argument
490 to unsigned *, store in def_map 1 + offset into *insn_list vector
491 instead of pointers into the vector.
492 (find_removable_extensions): Adjust caller.
494 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
496 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
497 Transform all "* quoted-c-code" to { c-code }.
498 Remove redundant test for "optimize" in combine patterns.
499 Move (include "avr-dimode.md") to end of file.
501 2012-01-30 Bin Cheng <bin.cheng@arm.com>
504 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
505 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
507 2012-01-30 Richard Guenther <rguenther@suse.de>
509 PR tree-optimization/52028
510 * tree-loop-distribution.c (ldist_gen): Properly update
513 2012-01-30 Jakub Jelinek <jakub@redhat.com>
516 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
517 set_cur_line_info_table if not emitting debug info.
519 PR tree-optimization/52046
520 * tree-vect-patterns.c (check_bool_pattern): Give up if
521 a comparison could throw.
524 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
526 2012-01-30 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/52045
529 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
530 SSA form if cfgcleanup did anything.
532 2012-01-30 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/52045
535 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
536 before computing final todo.
538 2012-01-30 Richard Guenther <rguenther@suse.de>
540 PR tree-optimization/51528
541 * tree-sra.c (sra_modify_assign): Re-factor in preparation
544 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
546 * df-problems.c (df_kill_notes): Check that the use refers
547 to the note under examination.
549 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
552 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
553 parameter and use short-lived pseudos.
554 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
555 (sparc_expand_vector_init): Const-ify local variables and adjust
556 calls to above functions.
558 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
560 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
562 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
564 * doc/invoke.texi: Make usage of "compile time" and
565 "run time"/"runtime" consistent throughout the file.
567 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
569 * config/alpha/alpha.c (alpha_option_override): Default to
570 full IEEE compliance mode for Go language.
572 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
574 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
575 (LINK_SSP_SPEC): Define.
577 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
580 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
583 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
585 * doc/invoke.texi: Correct hyphenation of "floating point",
586 "double precision", and related terminology throughout the file.
588 2012-01-28 Jakub Jelinek <jakub@redhat.com>
591 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
592 arm_general_register_operand predicate for operand 2 instead of
595 2012-01-27 Ian Lance Taylor <iant@google.com>
598 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
599 * builtins.c (expand_builtin_init_trampoline): Add onstack
600 parameter. Change caller.
601 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
602 * tree.c (build_common_builtin_nodes): Declare
603 __builtin_init_heap_trampoline.
605 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
607 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
608 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
609 * config/avr/avr.c: Ditto.
610 (avr_regnames): Remove because unused.
611 * config/avr/avr.md (*cpse.ne): New peephole.
612 (*cpse.eq): New peephole from former cpse peepholes.
614 2012-01-27 Michael Eager <eager@eagercon.com>
616 * config/microblaze.c (microblaze_emit_compare): Correct
617 test after pcmp instruction.
619 2012-01-27 Richard Guenther <rguenther@suse.de>
621 PR tree-optimization/52020
622 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
624 2012-01-27 Richard Guenther <rguenther@suse.de>
626 * ipa-pure-const.c (check_stmt): Clobbers do not make a
627 function non-const/pure.
629 2012-01-27 Richard Guenther <rguenther@suse.de>
631 PR tree-optimization/50444
632 * tree-sra.c (build_ref_for_offset): Properly adjust the
633 MEM_REF type for unaligned accesses.
635 2012-01-27 Richard Guenther <rguenther@suse.de>
637 PR tree-optimization/50444
638 * expr.c (mem_ref_refers_to_non_mem_p): New function.
639 (expand_assignment): Use it. Properly handle misaligned
640 bases when expanding stores to component references.
641 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
644 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
647 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
648 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
649 * tree-data-ref.c (find_data_references_in_loop): Make static.
650 (compute_all_dependences): Change return type to bool. Bail out
651 for too many datarefs in a loop. Move the hunk resetting the data
652 dependences vector from ...
653 (compute_data_dependences_for_loop): ... here. Account for
654 compute_all_dependences returning false.
655 (compute_data_dependences_for_bb): Likewise.
656 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
657 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
659 2012-01-27 Richard Guenther <rguenther@suse.de>
662 * expr.c (store_field): Use the alias-set of the scratch memory
665 2012-01-27 Tom de Vries <tom@codesourcery.com>
667 PR tree-optimization/51990
668 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
670 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
672 2012-01-27 Jakub Jelinek <jakub@redhat.com>
675 * var-tracking.c (reverse_op): Don't add any reverse operation
676 if V already has any constant locations.
678 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
680 * doc/invoke.texi: Correct usage of "command line" (noun)
681 vs "command-line" (adjective) throughout.
683 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
685 * doc/invoke.texi (Language Independent Options): Move
686 -Wcoverage-mismatch blurb from here....
687 (Warning Options): ...to here.
689 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
691 * config/rs6000/rs6000.c (rs6000_option_override_internal):
692 Set rs6000_always_hint to false for 476.
694 2012-01-27 Matthias Klose <doko@ubuntu.com>
696 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
698 * incpath.c (add_standard_paths): Likewise.
700 2012-01-27 Richard Henderson <rth@redhat.com>
702 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
703 * config/m68k/sync.md (atomic_test_and_set): Rename from
704 sync_test_and_setqi and adjust the operands.
705 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
706 and unconditionally enable.
708 2012-01-27 Richard Henderson <rth@redhat.com>
710 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
711 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
712 (ldstub): Rename from ldstubqi.
713 (ldstub<I24MODE>): Remove.
715 2012-01-27 Richard Henderson <rth@redhat.com>
717 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
718 * c-cppbuiltin.c (cpp_atomic_builtins): Define
719 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
720 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
721 * doc/tm.texi: Rebuild.
723 2012-01-27 Richard Henderson <rth@redhat.com>
725 * optabs.c (gen_atomic_test_and_set): Remove default.
726 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
728 2012-01-26 Jakub Jelinek <jakub@redhat.com>
730 PR rtl-optimization/51978
731 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
732 (combine_reaching_defs): Likewise.
733 (struct re_info): Remove.
734 (add_removable_extension): Remove x and data arguments,
735 add insn, insn_list and def_map. Use the arguments directly
736 instead of using struct re_info.
737 (find_removable_extensions): Don't call add_removable_extension
738 through note_stores, instead just call it with single_set
740 (find_and_remove_re): Pass curr_cand->expr instead of
741 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
743 2012-01-26 Michael Matz <matz@suse.de>
745 PR tree-optimization/46590
746 * cfgexpand.c: Revert last change (r183305).
747 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
749 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
750 checking for emptiness.
752 2012-01-26 Jakub Jelinek <jakub@redhat.com>
755 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
756 non-addressable non-BLKmode base correctly.
758 2012-01-26 Michael Matz <matz@suse.de>
760 PR tree-optimization/48794
761 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
762 regions referenced from RESX/EH_DISPATCH.
764 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
766 * config/s390/s390.h: Make BRANCH_COST an option.
767 * config/s390/s390.opt: New option -mbranch-cost.
769 2012-01-26 Richard Henderson <rth@redhat.com>
771 Revert 2012-01-24 change:
772 * trans-mem.c (requires_barrier): Do not instrument thread local
773 variables and emit save/restore for them.
775 2012-01-25 Jakub Jelinek <jakub@redhat.com>
778 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
781 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
783 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
786 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
789 Rename __pgm to __flash.
790 Rename __pgm1 to __flash1.
791 Rename __pgm2 to __flash2.
792 Rename __pgm3 to __flash3.
793 Rename __pgm4 to __flash4.
794 Rename __pgm5 to __flash5.
795 Rename __pgmx to __memx.
796 * doc/extend.texi (AVR Named Address Spaces)
797 Rename address space names as indicated above.
798 * config/avr/avr.c (avr_addrspace): Ditto.
800 * config/avr/avr-protos.h
801 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
802 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
803 * config/avr/predicates.md: Ditto.
804 * config/avr/avr.c Ditto, and
805 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
806 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
808 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
809 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
810 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
811 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
812 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
813 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
814 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
815 * config/avr/avr.c: Ditto.
816 * config/avr/avr.md: Ditto.
818 2012-01-25 Jason Merrill <jason@redhat.com>
821 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
823 2012-01-25 Jakub Jelinek <jakub@redhat.com>
825 PR tree-optimization/51987
826 * tree-data-ref.c (get_references_in_stmt): Handle references in
827 non-volatile GIMPLE_ASM.
829 2012-01-25 Richard Guenther <rguenther@suse.de>
831 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
832 bases are dereferenced.
834 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
836 PR rtl-optimization/48374
837 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
839 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
841 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
842 compute_data_dependences_for_loop returns false.
843 * tree-parloops.c (loop_parallel_p): Likewise.
845 2012-01-25 Richard Guenther <rguenther@suse.de>
847 * tree.h (get_pointer_alignment_1): Declare.
848 * builtins.c (get_pointer_alignment_1): New function.
849 (get_pointer_alignment): Use it.
851 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
853 PR rtl-optimization/48308
854 * combine.c (enum undo_kind): Add UNDO_LINKS.
855 (struct undo): Add member l to other_contents and where.
856 (do_SUBST_LINK): New.
858 (try_combine): Handle LOG_LINKS for the dummy i1 case.
859 (undo_all): Handle UNDO_LINKS.
861 2012-01-25 Richard Henderson <rth@redhat.com>
863 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
866 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
868 * optabs.c (gen_atomic_test_and_set): Use each argument.
870 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
872 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
873 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
874 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
875 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
876 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
877 TARGET_PAIRED_SINGLE_FLOAT.
879 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
881 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
882 (in_struct, return_val): Remove MEM documentation.
883 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
884 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
885 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
887 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
888 * cfgexpand.c (add_alias_set_conflicts): Likewise.
889 * expr.c (store_field): Likewise.
890 * function.c (assign_stack_temp_for_type): Likewise.
891 * ifcvt.c (noce_try_cmove_arith): Likewise.
892 * reload1.c (reload): Likewise.
893 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
894 (alpha_set_memflags): Likewise.
895 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
897 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
899 * rtl.h (true_dependence, canon_true_dependence): Remove varies
901 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
902 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
903 (true_dependence_1, true_dependence, canon_true_dependence): Remove
905 * cselib.c (cselib_rtx_varies_p): Delete.
906 (cselib_invalidate_mem): Update call to canon_true_dependence.
907 * dse.c (record_store, check_mem_read_rtx): Likewise.
908 (scan_reads_nospill): Likewise.
909 * cse.c (check_dependence): Likewise.
910 (cse_rtx_varies_p): Delete.
911 * expr.c (safe_from_p): Update call to true_dependence.
912 * ira.c (validate_equiv_mem_from_store): Likewise.
913 (memref_referenced_p): Likewise.
914 * postreload-gcse.c (find_mem_conflicts): Likewise.
915 * sched-deps.c (sched_analyze_2): Likewise.
916 * store-motion.c (load_kills_store): Likewise.
917 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
918 * gcse.c (mems_conflict_for_gcse_p): Likewise.
919 (compute_transp): Update call to canon_true_dependence.
921 2012-01-25 Richard Henderson <rth@redhat.com>
923 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
924 (maybe_emit_atomic_test_and_set): New.
925 (expand_sync_lock_test_and_set): Use it.
926 (expand_atomic_test_and_set): Likewise.
927 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
928 the implementation; clarify implementation defined details.
929 * doc/md.texi (atomic_test_and_set): Document.
931 2012-01-25 Richard Henderson <rth@redhat.com>
933 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
935 2012-01-25 Richard Henderson <rth@redhat.com>
938 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
939 to effect no-op split.
941 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
944 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
945 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
946 (BT_FN_VOID_PTR_INT_SIZE): New.
947 (BT_FN_UINT_UINT_VAR): Remove.
948 (BT_FN_UINT32_UINT32_VAR): New.
949 (BT_FN_DOUBLE_VPTR): Remove.
950 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
952 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
953 (_ITM_changeTransactionMode): Same.
954 (_ITM_memmoveRtWt): Change return type to void.
955 (_ITM_memcpyRtWt): Same.
956 (_ITM_memsetW): Same.
957 (_ITM_RaRD): Change types to double.
962 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
964 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
965 Patrick Marlier <patrick.marlier@gmail.com>
967 * trans-mem.c (requires_barrier): Do not instrument thread local
968 variables and emit save/restore for them.
970 2012-01-24 Jason Merrill <jason@redhat.com>
973 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
974 output static aliases.
976 2012-01-24 Jakub Jelinek <jakub@redhat.com>
979 * common.opt (-pie, -shared, pie, shared): Change from Common to
981 * gcc.c (display_help): Display help for -pie and -shared.
983 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
986 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
987 Remove note on size/offset limitation.
988 (AVR Variable Attributes): Add example how to read data located
989 with progmem. Refer to named address spaces.
990 * doc/invoke.texi (AVR Options): Fix typo.
992 2012-01-24 Richard Guenther <rguenther@suse.de>
994 Forward-port to trunk
995 2010-09-21 Jakub Jelinek <jakub@redhat.com>
998 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
999 op0 isn't sufficiently aligned and there is movmisalignM
1000 insn for mode, use it to load op0 into a temporary register.
1002 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1005 * target.def (const_not_ok_for_debug_p): New hook.
1006 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1008 * doc/tm.texi: Regenerated.
1009 * dwarf2out.c (const_ok_for_output_1): If
1010 targetm.const_not_ok_for_debug_p returns true, fail.
1011 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1013 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1015 2012-01-23 Kai Tietz <ktietz@redhat.com>
1018 * config/i386/predicates.md (symbolic_operand): Allow
1019 UNSPEC_PCREL as PIC expression for lea.
1020 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1021 * config/i386/i386.c (ix86_delegitimize_address): Handle
1022 UNSPEC_PCREL for none-MEM, too.
1024 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1026 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1027 (ipa_tm_create_version_alias): Same.
1029 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1032 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1033 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1035 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1036 Patrick Marlier <patrick.marlier@gmail.com>
1037 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1040 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1041 simple_object_start_read.
1043 2012-01-23 Richard Guenther <rguenther@suse.de>
1046 PR tree-optimization/51895
1047 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1048 parameter decomposition into BLKmode components.
1050 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1052 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1053 fake variables for restrict-qualified pointers whose pointed-to type
1054 contains a placeholder.
1056 2012-01-23 Richard Guenther <rguenther@suse.de>
1058 PR tree-optimization/51949
1059 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1061 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1063 PR rtl-optimization/51933
1064 * ree.c (transform_ifelse): Return true right away if dstreg is
1065 already wider or equal to cand->mode.
1066 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1067 (make_defs_and_copies_lists): Remove defs_list and copies_list
1068 arguments, add state argument, just truncate state->work_list
1069 instead of always allocating and freeing the vector. Assert that
1070 get_defs succeeds instead of returning 2. Changed return type to bool.
1071 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1072 have ext_src_mode, see if it has been modified already with the
1073 right kind of extension and has been extended before from the
1074 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1075 just return true. Remember the original mode in state->modified array.
1076 (combine_reaching_defs): Add state argument. Don't allocate and
1077 free here def_list, copied_list and vec vectors, instead just
1078 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1079 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1080 Add state variable, clear vectors in it, initialize state.modified
1081 if needed. Free all the vectors at the end and state.modified too.
1082 Don't skip a candidate if the extension expression has been modified.
1084 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1087 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1088 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1089 (extra_options) interix.opt -> i386/interix.opt"
1090 (extra_objs):Add winnt-stubs.o
1091 * configure.ac: Add interix to target_os .comm on PE check.
1092 * configure: Regenerate.
1093 * config/interix3.h: Delete and move bits to..
1094 * config/interix.h: Delete and move bits to..
1095 * config/i386/i386-interix3.h: Delete and move bits to..
1096 * config/i386/i386-interix.h: ..here.
1097 (TARGET_CPU_DEFAULT): Remove redefinition.
1098 (TARGET_ASM_CONSTRUCTOR): Undefine.
1099 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1100 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1101 (PTRDIFF_TYPE): Define.
1102 (LONG_DOUBLE_TYPE_SIZE): Define.
1103 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1104 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1105 (TARGET_SECTION_TYPE_FLAGS): Define.
1106 (ASM_DECLARE_FUNCTION_NAME): Define.
1107 (ASM_OUTPUT_EXTERNAL): Define.
1108 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1109 (ASM_OUTPUT_ALIGNED_BSS): Define.
1110 (PCC_BITFIELD_TYPE_MATTERS): Define.
1111 (USE_CONST_SECTION): Define.
1112 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1113 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1114 (SUPPORTS_ONE_ONLY): Remove.
1115 (I386_PE_STRIP_ENCODING): Define.
1116 * config/interix.opt: Delete and move bits to..
1117 * config/i386/interix.opt: ..here. New.
1118 (mpe-aligned-commons): Add.
1119 * config/i386/t-interix: Add copyright header.
1120 (winnt-stubs.o): Add rule.
1122 2012-01-22 Jason Merrill <jason@redhat.com>
1125 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1126 for extra name aliases.
1128 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1130 PR rtl-optimization/51924
1131 * ree.c (combine_set_extension): Improve debugging message.
1132 (combine_reaching_defs): Likewise.
1133 (get_defs): Rename confusingly named variable.
1134 (find_and_remove_re): Skip a candidate if the extension expression has
1137 2012-01-21 Robert Millan <rmh@gnu.org>
1138 Gerald Pfeifer <gerald@pfeifer.com>
1140 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1141 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1143 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1145 PR tree-optimization/51914
1146 * tree-vect-stmts.c (vectorizable_conversion): For
1147 cvt_type && modifier == WIDEN, put temporary with cvt_type
1148 at the beginning of vec_dsts and set vec_dest to temporary
1151 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1153 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1155 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1157 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1158 * config/rs6000/rs6000.c: Likewise.
1160 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1163 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1164 output_move_double on a copy of operands array.
1166 2012-01-20 Cary Coutant <ccoutant@google.com>
1167 Dodji Seketeli <dodji@redhat.com>
1170 * dwarf2out.c (copy_declaration_context): Return ref to parent
1171 of declaration DIE, if necessary.
1172 (remove_child_or_replace_with_skeleton): Add new parameter; update
1173 caller. Place skeleton DIE under parent DIE of original declaration.
1174 Move call to copy_declaration_context to here ...
1175 (break_out_comdat_types): ... from here.
1177 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1179 PR rtl-optimization/51856
1180 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1183 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1186 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1187 hints for neon loads and stores.
1189 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1193 * doc/extend.texi (Named Address Spaces): Split into subsections.
1194 (AVR Named Address Spaces): New subsection.
1195 (M32C Named Address Spaces): New subsection.
1196 (RL78 Named Address Spaces): New subsection.
1197 (SPU Named Address Spaces): New subsection.
1198 (Variable Attributes): New anchor "AVR Variable Attributes".
1199 (AVR Variable Attributes): Rewrite and avoid wording
1200 "address space" in this context.
1201 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1202 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1203 (AVR Built-in Macros): New subsubsection therein.
1204 * doc/md.texi (AVR constraints): Remove "C04", "R".
1206 2012-01-20 Richard Guenther <rguenther@suse.de>
1208 PR tree-optimization/51903
1209 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1210 when removing stmts.
1212 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1215 * config/arm/arm.c (arm_load_pic_register): Use
1216 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1217 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1218 (arm_pic_static_addr): Likewise.
1219 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1220 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1221 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1222 (pic_load_addr_unified): New.
1224 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1227 * function.c (instantiate_virtual_regs_in_insn): Use
1228 delete_insn_and_edges when removing a wrong asm insn.
1230 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1232 PR rtl-optimization/40761
1233 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1234 Add new member loop_num.
1235 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1236 (ira_build): Remove the parameter.
1238 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1239 (ira.c): Do not build CFG loops for one region allocation. Remove
1240 argument from ira_build call.
1242 * ira-build.c (init_loop_tree_node): New function.
1243 (create_loop_tree_nodes): Use it. Separate the case when CFG
1244 loops are not built.
1245 (more_one_region_p): Check current_loops.
1246 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1248 (add_loop_to_tree): Process loop equal to NULL too.
1249 (form_loop_tree): Separate the case when CFG loops are not built.
1250 Use explicitly number for the root.
1251 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1253 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1254 instead of loop->num.
1255 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1256 (mark_all_loops_for_removal): Ditto.
1257 (remove_unnecessary_regions): Separate the case when CFG loops
1259 (ira_build): Remove the parameter. Use explicit number of regions
1260 when CFG loops are not built.
1262 * ira-color.c (print_loop_title): Separate the case for the root node.
1263 Use loop_num instead of loop->num.
1264 (move_spill_restore): Use loop_num instead of loop->num.
1266 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1267 (change_loop): Ditto.
1268 (change_loop): Use loop_num instead of loop->num.
1270 * ira-lives.c (process_bb_node_lives): Ditto.
1272 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1274 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1276 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1279 * tree-mudflap.c (mf_artificial): New function.
1280 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1281 mx_register_decls, mudflap_enqueue_decl): Use it.
1284 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1285 numbers in the insn pattern.
1287 2012-01-19 Michael Matz <matz@suse.de>
1289 PR tree-optimization/46590
1290 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1291 use it in remembering which conflicts we already created.
1292 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1295 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1298 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1299 (merge_and_complain): Same.
1301 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1304 * config/initfini-array.h: Guard content of the header
1305 with #ifdef HAVE_INITFINI_ARRAY.
1306 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1307 Add initfini-array.h to tm_file here.
1308 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1309 * config.gcc: Don't add initfini-array.h to tm_file here.
1310 * configure: Regenerated.
1312 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1314 PR rtl-optimization/51505
1315 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1316 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1317 (df_note_bb_compute): Update the call to df_kill_notes.
1319 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1321 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1323 2012-01-18 Richard Guenther <rguenther@suse.de>
1325 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1326 of conversions to void *.
1328 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1329 Richard Sandiford <rdsandiford@googlemail.com>
1333 * optabs.h (simplify_expand_binop): Declare.
1334 * optabs.c (simplify_expand_binop): Make global.
1335 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1336 endian targets if the source cannot be exactly covered by word
1339 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1342 * hard-reg-set.h (struct hard_reg_set_container): New type.
1343 * target.h (struct hard_reg_set_container): Forward declare.
1344 * target.def (set_up_by_prologue): New target hook.
1345 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1346 * doc/tm.texi: Regenerated.
1347 * function.c (thread_prologue_and_epilogue_insns): Change
1348 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1349 Call targetm.set_up_by_prologue on it.
1350 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1351 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1353 2012-01-17 Nick Clifton <nickc@redhat.com>
1355 * config/rx/rx.c (rx_can_use_simple_return): New function.
1356 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1357 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1359 2012-01-17 Richard Guenther <rguenther@suse.de>
1362 * expr.c (expand_assignment): Take address-space information
1363 from the address operand of MEM_REF and TARGET_MEM_REF.
1364 (expand_expr_real_1): Likewise.
1366 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1368 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1369 reload dump is requested.
1371 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1374 * trans-mem.c (requires_barrier): Call may_be_aliased.
1376 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1378 PR tree-optimization/51877
1379 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1380 call arguments and fndecls compare equal, instead return false if they
1381 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1382 both SSA_NAMEs that are valueized the same, or they satisfy
1385 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1387 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1389 * configure: Regenerate.
1391 2012-01-16 Jan Hubicka <jh@suse.cz>
1395 * convert.c (convert_to_integer): Use fold_convert for
1396 converting an INTEGER_CST to integer type.
1398 2012-01-16 Jason Merrill <jason@redhat.com>
1401 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1403 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1406 * config/s390/s390.c (s390_chunkify_start): Don't skip
1407 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1408 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1409 If insn is followed by NOTE_INSN_VAR_LOCATION or
1410 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1411 Don't use location of note insns.
1413 PR tree-optimization/51865
1414 * tree-inline.c (tree_function_versioning): Call remap_decl
1415 on DECL_RESULT whenever it has VOID_TYPE_P type.
1417 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1419 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1420 for calls to locally-binding MIPS16 functions if only the return
1421 type uses float regs.
1423 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1424 Richard Sandiford <rdsandiford@googlemail.com>
1426 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1427 (SYMBOL_32_HIGH): Likewise.
1428 (mips_output_tls_reloc_directive): Declare.
1429 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1430 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1431 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1432 (mips_lo_relocs, mips_hi_relocs): Make extern.
1433 (mips16_stub_function): Move up file.
1434 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1435 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1436 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1437 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1438 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1439 (mips_get_tp): Add MIPS16 support.
1440 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1441 Generalize DTPREL and TPREL handling.
1442 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1443 Add MIPS16 TLS support.
1444 (mips_output_tls_reloc_directive): New function.
1445 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1446 * config/mips/predicates.md (symbolic_operand_with_high)
1447 (tls_reloc_operand): New predicates.
1448 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1449 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1450 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1451 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1452 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1453 (*tls_get_tp_mips16_call_<mode>): Likewise.
1455 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1457 PR rtl-optimization/51821
1458 * recog.c (peep2_find_free_register): Determine clobbered registers
1461 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1464 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1465 * config/avr/avr.c: Likewise.
1466 * config/avr/avr.h: Likewise.
1468 2012-01-13 Ian Lance Taylor <iant@google.com>
1471 * tree.h (TYPE_QUALS): Add cast to int.
1472 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1474 2012-01-13 Ian Lance Taylor <iant@google.com>
1476 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1477 comparing param_index to VEC_length result.
1479 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1481 * c-decl.c: Do not include tree-mudflap.h
1482 * tree-optimize.c: Likewise.
1483 * Makefile.in: Update dependencies.
1485 2012-01-13 Richard Guenther <rguenther@suse.de>
1488 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1489 variable-sized result always use RSO.
1491 2012-01-12 DJ Delorie <dj@redhat.com>
1493 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1494 pointer type, not just the default pointer type.
1496 2012-01-09 Richard Henderson <rth@redhat.com>
1497 Denis Chertykov <chertykov@gmail.com>
1500 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1501 * config/avr/avr.c (avr_can_eliminate): Simplify.
1502 (avr_initial_elimination_offset): Likewise.
1503 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1504 (expand_epilogue): Likewise.
1505 (avr_legitimize_address): Gut.
1506 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1507 (avr_hard_regno_nregs): New.
1508 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1509 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1510 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1511 add soft frame pointer.
1512 (CALL_USED_REGISTERS): Likewise.
1513 (REG_CLASS_CONTENTS): Likewise.
1514 (REGISTER_NAMES): Likewise.
1515 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1516 (HARD_FRAME_POINTER_REGNUM): New.
1517 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1518 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1519 remove the HARD_FRAME_POINTER self-elimination.
1521 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1524 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1525 DECL_EXTERNAL when checking for initializers of progmem variables.
1527 2012-01-12 Ira Rosen <irar@il.ibm.com>
1529 PR tree-optimization/51799
1530 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1531 that the last operation is a type demotion.
1533 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1535 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1536 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1538 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1541 * combine.c (distribute_notes): If i3 is a noreturn call,
1542 allow old_size to be equal to args_size and make sure the
1543 noreturn call gets REG_ARGS_SIZE note.
1544 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1545 on noreturn calls even when the delta is 0.
1547 2012-01-11 Nathan Sidwell <nathan@acm.org>
1549 * gcov.c (STRING_SIZE): Remove.
1550 (generate_results): Erase annotations for source files with no
1551 coverage information.
1553 (output_lines): Use it.
1555 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1557 * gimple.h (gimplify_body): Remove first argument.
1558 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1559 pointer set here, instead just pass DATA to walk_tree.
1560 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1561 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1562 (unvisit_body): Likewise, but with unmark_visited.
1563 (gimplify_body): Remove BODY_P argument and adjust.
1564 (gimplify_function_tree): Adjust call to gimplify_body.
1565 * omp-low.c (finalize_task_copyfn): Likewise.
1567 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1569 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1570 (build_function_type_skip_args): Delete.
1571 * tree.c (build_function_type_skip_args): Make static and add
1572 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1573 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1574 pass it to build_function_type_skip_args.
1575 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1576 (tree_function_versioning): Likewise.
1577 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1578 build_function_decl_skip_args.
1579 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1580 and pass it to build_function_decl_skip_args/tree_function_versioning.
1581 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1582 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1583 * trans-mem.c (ipa_tm_create_version): Likewise.
1584 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1585 * tree-inline.c (declare_return_variable): Remove always-true test.
1586 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1587 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1588 * ipa-split.c (split_function): Skip the return value for the split
1589 part if it doesn't return.
1591 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1593 PR tree-optimization/49642
1594 * ipa-split.c (forbidden_dominators): New variable.
1595 (check_forbidden_calls): New function.
1596 (dominated_by_forbidden): Likewise.
1597 (consider_split): Check for forbidden dominators.
1598 (execute_split_functions): Initialize and free forbidden
1599 dominators info; call check_forbidden_calls.
1601 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1603 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1605 2012-01-11 Nick Clifton <nickc@redhat.com>
1607 * config/rx/rx.md (return): Define pattern.
1609 2012-01-11 Richard Guenther <rguenther@suse.de>
1611 * doc/extend.texi (malloc attribute): Adjust according to
1614 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1615 Patrick Marlier <patrick.marlier@gmail.com>
1618 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1619 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1620 (ipa_tm_note_irrevocable): Same.
1621 (ipa_tm_scan_irr_block): Same.
1622 (ipa_tm_decrement_clone_counts): Same.
1623 (ipa_tm_scan_irr_function): Same.
1624 (ipa_tm_create_version_alias): Same.
1625 (ipa_tm_create_version): Same.
1626 (ipa_tm_transform_calls_redirect): Same.
1627 (ipa_tm_transform_calls): Same.
1628 (ipa_tm_transform_transaction): Same.
1629 (ipa_tm_execute): Same.
1631 2012-01-10 Richard Guenther <rguenther@suse.de>
1634 * opts.c (common_handle_option): Handle -Werror.
1636 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1638 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1641 2012-01-10 Jason Merrill <jason@redhat.com>
1643 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1646 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1648 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1649 supports R_386_TLS_GD_PLT reloc.
1650 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1651 supports R_386_TLS_LDM_PLT reloc.
1652 * configure: Regenerate.
1653 * config.in: Regenerate.
1655 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1658 Extend __pgmx semantics to linearize memory.
1659 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1660 determine if code comes inline or from libgcc.
1661 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1662 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1663 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1664 (movmemx_qi, movmemx_hi): New insns.
1665 (xload_<mode>_libgcc): Rewrite to new insn condition.
1666 (xload_<mode>): Remove insns.
1667 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1668 cases that don't satisfy avr_xload_libgcc_p().
1669 (avr_addr_space_convert): Allow converting in any direction.
1670 (avr_addr_space_subset_p): Return always true.
1671 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1672 (avr_emit_movmemhi): Ditto.
1673 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1674 (avr_out_movmem): Ditto.
1675 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1676 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1677 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1678 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1679 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1681 2012-01-10 Richard Guenther <rguenther@suse.de>
1683 PR tree-optimization/50913
1684 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1685 Require data-refs to be representable by Graphite with respect
1688 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1690 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1691 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1693 2012-01-10 Tom de Vries <tom@codesourcery.com>
1695 PR rtl-optimization/51271
1696 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1697 handling annulled branch.
1699 2012-01-10 Richard Henderson <rth@redhat.com>
1701 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1702 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1703 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1704 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1705 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1706 arm_expand_vec_perm_const): New.
1707 * config/arm/arm-protos.h: Update.
1708 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1709 (*neon_vswp<VDQX>): New.
1710 (neon_vcombine<VDX>): Use neon_split_vcombine.
1711 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1712 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1713 (vec_perm<VE>): New.
1715 2012-01-10 Richard Henderson <rth@redhat.com>
1717 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1718 use it if reload_completed.
1719 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1720 arm_output_asm_insn, arm_process_output_memory_barrier,
1721 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1722 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1723 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1724 arm_process_output_sync_insn, arm_output_sync_insn,
1725 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1726 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1727 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1728 (emit_unlikely_jump): New.
1729 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1730 (arm_split_atomic_op): New.
1731 * config/arm/arm-protos.h: Update.
1732 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1733 (struct arm_sync_generator): Remove.
1734 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1735 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1736 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1737 (VUNSPEC_LL, VUNSPEC_SC): New.
1738 (sync_result, sync_memory, sync_required_value, sync_new_value,
1739 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1740 (attr length): Don't use arm_sync_loop_insns.
1741 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1742 (movsfcc, movdfcc): Likewise.
1743 * config/arm/constraints.md (Ua): New.
1744 * config/arm/prediates.md (mem_noofs_operand): New.
1745 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1746 (sync_clobber, sync_t2_reqd): Remove.
1747 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1748 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1749 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1750 (arm_sync_compare_and_swap<SIDI>): Remove.
1751 (arm_sync_compare_and_swap<NARROW>): Remove.
1752 (arm_sync_lock_test_and_set<SIDI>): Remove.
1753 (arm_sync_lock_test_and_set<NARROW>): Remove.
1754 (arm_sync_new_<syncop><SIDI>): Remove.
1755 (arm_sync_new_<syncop><NARROW>): Remove.
1756 (arm_sync_new_nand<SIDI>): Remove.
1757 (arm_sync_new_nand<NARROW>): Remove.
1758 (arm_sync_old_<syncop><SIDI>): Remove.
1759 (arm_sync_old_<syncop><NARROW>): Remove.
1760 (arm_sync_old_nand<SIDI>): Remove.
1761 (arm_sync_old_nand<NARROW>): Remove.
1762 (*memory_barrier): Merge arm_output_memory_barrier.
1763 (atomic_compare_and_swap<QHSD>): New.
1764 (atomic_compare_and_swap<NARROW>_1): New.
1765 (atomic_compare_and_swap<SIDI>_1): New.
1766 (atomic_exchange<QHSD>): New.
1767 (cas_cmp_operand, cas_cmp_str): New.
1768 (atomic_op_operand, atomic_op_str): New.
1769 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1770 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1771 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1772 (arm_load_exclusive<NARROW>): New.
1773 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1774 (arm_store_exclusive<QHSD>): New.
1776 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1778 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1779 reload patterns if -mvsx-scalar-memory.
1781 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1782 generated, even -mno-vsx-scalar-double was used.
1783 (vsx_xscvdpsp_scalar): Likewise.
1784 (vsx_xscvspdp_scalar2): Likewise.
1786 2012-01-09 Tom de Vries <tom@codesourcery.com>
1787 Andrew Pinski <apinski@cavium.com>
1790 * reorg.c (fill_slots_from_thread): Don't speculate
1791 frame-related insns.
1793 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1795 * sched-int.h (bb_note): Move to...
1796 * basic-block.h: ...here.
1797 * haifa-sched.c (bb_note): Move to...
1798 * cfgrtl.c: ...here.
1799 * function.c (next_block_for_reg): New function.
1800 (move_insn_for_shrink_wrap): Likewise.
1801 (prepare_shrink_wrap): Rewrite to use the above.
1803 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1805 * gimple.c (is_gimple_non_addressable): Remove.
1806 * gimple.h: Remove is_gimple_non_addressable.
1807 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1808 is_gimple_non_addressable.
1809 * trans-mem.c (expand_assign_tm): Same.
1811 2012-01-09 Richard Guenther <rguenther@suse.de>
1813 PR tree-optimization/51775
1814 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1815 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1817 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1819 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1821 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1823 2012-01-09 Richard Guenther <rguenther@suse.de>
1825 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1827 2012-01-08 Jan Hubicka <jh@suse.cz>
1829 PR tree-optimize/51680
1830 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1831 on when known_vals needs to be computed; cleanup.
1833 2012-01-08 Jan Hubicka <jh@suse.cz>
1835 PR tree-optimize/51694
1836 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1838 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1840 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1841 for -std=c++98 and -std=c++11 too.
1843 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1845 * cfgloop.c (cancel_loop): Add free() of bbs array.
1847 2012-01-07 Jan Hubicka <jh@suse.cz>
1849 PR tree-optimization/51600
1850 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1851 that benefits small functions.
1853 2012-01-07 Jan Hubicka <jh@suse.cz>
1855 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1857 2012-01-07 Jan Hubicka <jh@suse.cz>
1859 PR tree-optimization/51680
1860 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1861 whose inlining reduce unit size.
1863 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1866 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1867 Add canonical node to containing_mem chain after the non-canonical
1868 one, even if there weren't any locs to propagate.
1869 (remove_useless_values): Keep only canonical values.
1870 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1871 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1872 canonicalize mem_chain elements that are not discarded.
1874 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1877 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1878 before emitting functions.
1880 PR gcov-profile/50127
1881 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1882 clear_aux_for_blocks.
1884 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1887 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1889 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1891 * c-decl.c (ext_block): Moved up.
1892 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1894 2012-01-06 Han Shen <shenhan@google.com>
1896 Translate built-in include paths for sysroot.
1897 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1898 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1900 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1901 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1903 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1904 control whether sysroot should be prepended to gxx include dir.
1906 * configure: Regenerate.
1908 2012-01-06 Torvald Riegel <triegel@redhat.com>
1910 PR rtl-optimization/51771
1911 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1912 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1914 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1916 PR tree-optimization/51315
1917 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1918 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1920 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1923 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1924 for shrp pattern. Correctly handle and fixup shift variable.
1925 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1927 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1930 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1931 note when !ACCUMULATE_OUTGOING_ARGS.
1933 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1935 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1937 (extract_range_from_unary_expr_1): Avoid useless computations.
1939 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1941 PR rtl-optimization/51767
1942 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1943 of jump_block and add an extra edge for degenerated asm gotos.
1946 * stmt.c (check_unique_operand_names): Don't ICE during error
1947 reporting if i is from labels chain.
1950 * profile.c (branch_prob): Split bbs that have exit edge
1951 and need a fake entry edge too.
1953 2012-01-05 Jan Hubicka <jh@suse.cz>
1956 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1959 2012-01-05 Richard Guenther <rguenther@suse.de>
1962 * tree-streamer-out.c (write_ts_optimization): New function.
1963 (streamer_write_tree_body): Call it.
1964 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1965 (streamer_read_tree_body): Call it.
1966 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1968 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1971 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1972 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1973 in_cleanup_point_expr before gimplify_stmt call and restore it
1975 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1976 in_cleanup_point_expr is false.
1978 2012-01-05 Richard Guenther <rguenther@suse.de>
1981 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1983 * toplev.c (process_options): Reject combining mudflap and LTO.
1984 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1986 2012-01-05 Richard Guenther <rguenther@suse.de>
1988 PR tree-optimization/51760
1989 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1991 (bit_value_unop): Handle UNDEFINED operands.
1992 (bit_value_binop): Likewise.
1994 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1996 * config/avr/avr.c (avr_replace_prefix): Remove.
1997 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1998 (avr_asm_function_rodata_section): Ditto.
1999 (avr_asm_select_section): Ditto.
2001 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2003 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2006 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2009 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2010 calls that have any non-fake successor edges.
2013 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2015 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2017 PR tree-optimization/51624
2018 * tree-sra.c (build_ref_for_model): When replicating a chain of
2019 COMPONENT_REFs, stop as soon as the offset would become negative.
2021 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2024 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2025 in .debug_loc on the floor.
2027 2012-01-04 Andrew Pinski <apinski@cavium.com>
2029 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2031 2012-01-04 Andrew Pinski <apinski@cavium.com>
2032 Adam Nemet <anemet@caviumnetworks.com>
2034 * config/mips/mips.md (size): Add SI and DI.
2035 (SIZE): New mode attribute.
2036 (U): New code attribute.
2037 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2038 (mips_lbux_<mode>): Delete.
2039 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2040 (mips_lhx): Use gen_mips_lhx_extsi.
2041 (mips_lhx_<mode>): Delete.
2043 (mips_l<size>x): New expand.
2044 (mips_lwx_<mode>): Delete.
2045 (mips_l<GPR:size>x_<P:mode>): New pattern.
2046 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2047 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2048 * config/mips/mips.c (mips_lx_address_p): New function.
2049 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2050 (dsp64): New availability predicate.
2051 (mips_builtins): Add an entry for __builtin_mips_ldx.
2052 * config/mips/mips.h (ISA_HAS_LBX): New define.
2053 (ISA_HAS_LBUX): Likewise.
2054 (ISA_HAS_LHX): Likewise.
2055 (ISA_HAS_LHUX): Likewise.
2056 (ISA_HAS_LWX): Likewise.
2057 (ISA_HAS_LWUX): Likewise.
2058 (ISA_HAS_LDX): Likewise.
2059 * doc/extend.texi (__builtin_mips_ldx): Document.
2061 2012-01-04 Tristan Gingold <gingold@adacore.com>
2063 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2064 when long pointers are used.
2065 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2066 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2067 (ia64-hp-*vms*): Remove.
2068 * config/vms/xm-vms64.h: Delete.
2070 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2073 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2075 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2077 * opts.c (finish_options): Remove duplicate sorry.
2079 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2082 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2085 2012-01-04 Richard Guenther <rguenther@suse.de>
2088 * tree.c (size_low_cst): New function.
2089 * tree.h (size_low_cst): Declare.
2090 * fold-const.c (fold_comparison): Use it to extract the low
2091 part of the POINTER_PLUS_EXPR offset.
2093 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2095 Fix clearing ZERO_REG
2096 * config/avr/avr.md (cc): Add alternative "ldi".
2097 (movqi_insn): Use it in cc attribute.
2098 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2099 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2100 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2102 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2104 * configure: Regenerate.
2106 2012-01-04 Richard Guenther <rguenther@suse.de>
2108 PR tree-optimization/49651
2109 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2110 (var_can_have_subvars): Use it.
2111 (get_constraint_for_1): Only consider subfields if there can be any.
2113 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2116 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2117 to its new canonical_cselib_val and the cselib_val was in
2118 first_containing_mem chain, but the canonical_cselib_val was not,
2119 add the latter into the chain.
2120 (cselib_invalidate_mem): Compare canonical_cselib_val of
2121 addr_list chain elt with v.
2124 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2125 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2127 (output_macinfo_op): Don't ggc_strdup fd->filename.
2128 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2129 then ggc_strdup it. Don't free inc->info or cur->info.
2130 (output_macinfo): Don't free ref->info or file->info.
2132 2012-01-03 Ira Rosen <irar@il.ibm.com>
2134 PR tree-optimization/51269
2135 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2136 first_niters a pointer.
2137 (slpeel_tree_peel_loop_to_edge): Likewise.
2138 (vect_do_peeling_for_loop_bound): Update call to
2139 slpeel_tree_peel_loop_to_edge.
2140 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2141 here. Remove it from the parameters list.
2142 (vect_do_peeling_for_alignment): Update calls and compute
2145 2012-01-03 Richard Guenther <rguenther@suse.de>
2147 PR tree-optimization/51070
2148 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2149 Properly handle calls.
2151 2012-01-03 Richard Guenther <rguenther@suse.de>
2153 PR tree-optimization/51692
2154 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2155 the LHS of allocation stmts.
2157 2012-01-03 Olivier Hainque <hainque@adacore.com>
2159 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2161 2012-01-03 Olivier Hainque <hainque@adacore.com>
2163 * collect2.c (main): In AIX specific computations for vector
2164 insertions, use CONST_CAST2 to cast from char ** to const char **.
2166 2012-01-03 Richard Guenther <rguenther@suse.de>
2169 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2170 the context of a limbo DIE when it does not already exist.
2172 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2174 PR tree-optimization/51719
2175 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2176 but direct call is, clear direct call's lhs and don't add fallthrough
2177 edge from dcall_bb to join_bb and PHIs.
2179 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2181 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2182 the instructions emitted by the pattern.
2183 ("*TDC_insn_<mode>"): Add comment.
2185 2012-01-03 Richard Guenther <rguenther@suse.de>
2188 * fold-const.c (fold_comparison): Properly canonicalize
2189 tree offset and HOST_WIDE_INT bit position.
2191 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2193 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2194 operands for extzv pattern.
2196 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2199 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2202 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2204 * doc/invoke.texi (-flto and related options): Copy-edit.
2206 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2208 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2210 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2212 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2215 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2217 * expr.h (move_by_pieces_ninsns): Declare.
2218 * expr.c (move_by_pieces_ninsns): Make external.
2219 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2220 (mips_store_by_pieces_p): Likewise.
2221 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2222 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2223 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2224 (mips_store_by_pieces_p): Likewise.
2226 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2228 * passes.c (register_one_dump_file): Free full_name.
2230 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2231 (calculate_elim_costs_all_insns): Free offsets_at and
2232 offsets_known_at at the end and clear the pointers.
2234 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2236 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2237 this option introduced in r180739.
2239 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2242 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2243 (tmake_file target=avr): Add avr/t-multilib.
2245 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2246 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2247 * config/avr/genmultilib.awk: New file.
2248 * config/avr/t-multilib: New auto-generated file.
2249 * config/avr/multilib.h: New auto-generated file.
2250 * config/avr/t-avr (AVR_MCUS): New variable.
2251 (genopt.sh): Use it.
2252 (s-mlib): Depend on t-multilib.
2253 (t-multilib, multilib.h): New dependencies.
2254 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2255 (MULTILIB_OPTIONS): Remove.
2256 (MULTILIB_MATCHES): Remove.
2257 (MULTILIB_DIRNAMES): Remove.
2258 (MULTILIB_EXCEPTIONS): Remove:
2259 * config/avr/genopt.sh: Don't use hard coded file name;
2260 pass AVR_MCUS from t-avr instead.
2262 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2264 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2266 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2268 Implement light-weight DImode support.
2269 * config/avr/avr-dimode.md: New file.
2270 * config/avr/avr.md: Include it.
2271 (adjust_len): Add plus64, compare64.
2272 (HIDI): Remove code iterator.
2273 (code_stdname): New code attribute.
2274 (rotx, rotsmode): Remove DI.
2275 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2277 * config/avr/avr-protos.h (avr_have_dimode): New.
2278 (avr_out_plus64, avr_out_compare64): New.
2279 * config/avr/avr.c (avr_out_compare): Handle DImode.
2280 (avr_have_dimode): New variable definition and initialization.
2281 (avr_out_compare64, avr_out_plus64): New functions.
2282 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2283 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2284 (avr_compare_pattern): Skip DImode comparisons.
2286 2012-01-02 Revital Eres <revital.eres@linaro.org>
2288 * ddg.c (def_has_ccmode_p): New function.
2289 (add_cross_iteration_register_deps,
2290 create_ddg_dep_from_intra_loop_link): Call it.
2292 2012-01-02 Richard Guenther <rguenther@suse.de>
2295 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2297 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2299 * gcc.c (process_command): Update copyright notice dates.
2300 * gcov.c (print_version): Likewise.
2301 * gcov-dump.c (print_version): Likewise.
2302 * mips-tfile.c (main): Likewise.
2303 * mips-tdump.c (main): Likewise.
2305 2012-01-01 Ira Rosen <irar@il.ibm.com>
2307 PR tree-optimization/51704
2308 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2309 a use is inside the basic block or loop before accessing its vect info.
2311 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2313 PR rtl-optimization/51069
2314 * cfgloopmanip.c (remove_path): Removing path making irreducible
2315 region unconditional makes BB part of the region.
2317 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2319 PR tree-optimization/51683
2320 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2321 calls with side-effects.
2322 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2324 Copyright (C) 2012 Free Software Foundation, Inc.
2326 Copying and distribution of this file, with or without modification,
2327 are permitted in any medium without royalty provided the copyright
2328 notice and this notice are preserved.