1 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
5 XOR for reduce_bit_field if type is unsigned.
7 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
9 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
10 disallow changes from SFmode to mode with different size in FP regs.
12 2012-02-12 Robert Millan <rmh@gnu.org>
13 Gerald Pfeifer <gerald@pfeifer.com>
15 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
18 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
20 PR rtl-optimization/52175
21 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
22 to frame-related instructions.
24 2012-02-10 Jason Merrill <jason@redhat.com>
27 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
28 (demangle_new_symbols): Fill it.
29 (scan_linker_output): Walk it.
30 (start_tweaking): Split out from scan_linker_output.
31 (maybe_tweak): Update sym->chosen.
32 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
34 2012-02-11 Jakub Jelinek <jakub@redhat.com>
37 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
40 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
42 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
43 having the same mode as previous compare.
45 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
47 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
48 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
49 (nonlocal_goto_internal): Likewise.
50 (nonlocal_goto): Emit a use and an indirect jump directly.
52 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
55 * doc/extend.texi : Update comments for __atomic_compare_exchange and
56 __atomic_{is,always}_lock_free.
58 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
61 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
62 negative constant address for x32.
64 2012-02-10 Richard Henderson <rth@redhat.com>
66 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
67 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
68 for GIMPLE_TRANSACTION. Tidy if's into a switch.
70 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
71 Ira Rosen <irar@il.ibm.com>
73 PR tree-optimization/50031
74 * targhooks.c (default_builtin_vectorization_cost): Handle
76 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
77 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
78 all types of reduction and pattern statements.
79 (vect_estimate_min_profitable_iters): Likewise.
80 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
81 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
82 for explicit realigns.
83 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
84 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
86 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
87 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
88 vec_perm for VSX and handle vec_promote_demote.
90 2012-02-10 Jakub Jelinek <jakub@redhat.com>
93 * builtins.c (fold_builtin_atomic_always_lock_free,
94 expand_builtin_atomic_always_lock_free,
95 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
96 Return and/or test boolean_true_node/boolean_false_node instead of
97 integer_one_node/integer_zero_node.
99 2012-02-10 Jan Hubicka <jh@suse.cz>
102 * predict.c (predict_paths_for_bb): Prevent looping.
103 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
105 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
107 * config/arm/arm.c (output_move_double): In one case properly
108 count number of instructions that will be emitted.
110 2012-02-10 Richard Guenther <rguenther@suse.de>
113 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
115 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
118 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
120 2012-02-09 Jakub Jelinek <jakub@redhat.com>
123 * var-tracking.c (emit_note_insn_var_location): If
124 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
125 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
126 non-NOTE_DURING_CALL_P insn.
128 2012-02-09 Bin Cheng <bin.cheng@arm.com>
131 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
133 2012-02-08 Magnus Granberg <zorry@gentoo.org>
136 * gcc.c (switch_matches) Support switches with separated form,
139 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
141 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
144 * config/avr/avr.c (avr_addr_t): New typedef.
145 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
146 (avr_init_expanders): Initialize it.
147 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
149 (expand_epilogue): Ditto.
150 (avr_print_operand): Ditto.
151 (avr_file_start): Ditto.
152 (avr_emit_movmemhi): Ditto.
154 2012-02-08 Richard Guenther <rguenther@suse.de>
156 PR tree-optimization/46886
157 * tree-flow.h (do_while_loop_p): Declare.
158 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
159 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
161 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
163 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
164 always succeed for integers larger than a native word.
166 2012-02-08 Richard Guenther <rguenther@suse.de>
168 PR rtl-optimization/52170
169 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
170 properly handle integer vector modes.
172 2012-02-08 Jakub Jelinek <jakub@redhat.com>
174 PR gcov-profile/52150
175 * coverage.c: Include target.h.
176 (build_var): Call targetm.strip_name_encoding on the assembler name.
177 Change one _ into . or $ if the target allows it.
178 * Makefile.in (coverage.o): Depend on $(TARGET_H).
180 PR rtl-optimization/52139
181 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
182 is a BARRIER after emit_insn_after_noloc, move BB_END
183 to the last non-BARRIER insn before it.
185 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
188 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
189 (mips_gimplify_va_arg_expr): Call it instead of
190 std_gimplify_va_arg_expr.
192 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
194 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
195 message for -mno-pointers-to-nested-function.
197 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
200 * expr.c (get_inner_reference): If there is an offset, add a negative
201 bit position to it (if any).
203 2012-02-07 Jakub Jelinek <jakub@redhat.com>
205 PR rtl-optimization/52060
206 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
207 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
208 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
209 and/or i0src_copy2 when needed.
211 2012-02-07 Jakub Jelinek <jakub@redhat.com>
213 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
214 or LTOPLUGINSONAME if have_c.
216 * config/freebsd-spec.h: Add comment about what macros can be defined
218 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
219 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
222 2012-02-07 Richard Guenther <rguenther@suse.de>
224 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
225 newline in -alias dumps.
227 2012-02-07 Kai Tietz <ktietz@redhat.com>
228 Dave Korn <dave.korn.cygwin@gmail.com>
231 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
232 Take care that typinfo gets dllexport-attribute.
234 2012-02-07 Jakub Jelinek <jakub@redhat.com>
237 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
238 if modifier < EXPAND_SUM call force_operand on the result.
240 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
242 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
243 adding __forwarder_dst__ prefix if a forwarder_section attribute is
245 (epiphany_function_type): Replace types for specific interrupts with
246 EPIPHANY_FUNCTION_INTERRUPT.
247 (EPIPHANY_INTERRUPT_P): Update.
248 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
250 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
251 <disinterrupt>: Affects type identity.
252 (epiphany_handle_interrupt_attribute): Handle variable number of
254 (epiphany_compute_function_type): Update for new
255 epiphany_function_type definition.
256 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
257 handlers with a longcall forwarder.
258 (epiphany_start_function): Handle multiple interrupt arguments and/or
259 forwarder_section attribute.
261 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
264 2012-02-07 Alan Modra <amodra@gmail.com>
267 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
270 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
272 PR tree-optimization/50969
273 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
274 use vec_perm rather than vector_stmt.
275 (vect_model_load_cost): Likewise.
276 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
277 vec_perm to be the same as other vector statements.
278 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
279 cost of vec_perm for TARGET_VSX.
281 2012-02-06 Richard Guenther <rguenther@suse.de>
283 PR tree-optimization/52115
284 * tree-sra.c (access_has_replacements_p): New function.
285 (sra_modify_assign): Use it to decide whether a use is uninitialized.
287 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
290 * trans-mem.c (expand_call_tm): Add an assertion.
291 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
294 2012-02-06 Richard Guenther <rguenther@suse.de>
296 PR tree-optimization/50955
297 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
298 raise cost of expressions that replace an address with an
299 expression based on a different pointer.
301 2012-02-06 Jakub Jelinek <jakub@redhat.com>
304 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
305 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
307 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
310 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
311 -Weffc++ and specify guidelines come from second edition.
313 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
315 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
316 (sibcall_value_multiple_internal, call_split, call_internal_direct)
317 (call_direct_split, call_value_split, call_value_internal_direct)
318 (call_value_direct_split, call_value_multiple_split): Use jal and
319 jal_macro attributes.
321 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
323 * reload1.c (reload_regs_reach_end_p): Replace with...
324 (reload_reg_rtx_reaches_end_p): ...this function.
325 (new_spill_reg_store): Update commentary.
326 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
327 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
328 before setting new_spill_reg_store.
329 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
330 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
331 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
332 for non-spill reload registers.
334 2012-02-05 Ira Rosen <irar@il.ibm.com>
336 PR tree-optimization/52091
337 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
338 (vect_is_simple_use_1): Likewise.
339 * tree-vect-loop.c (vectorizable_reduction): Update calls
340 to vect_is_simple_use_1 and vect_is_simple_use.
341 (vectorizable_live_operation): Likewise.
342 * tree-vect-patterns.c (widened_name_p,
343 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
344 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
345 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
346 vectorizable_shift,vectorizable_operation, vectorizable_store,
347 vectorizable_load): Likewise.
348 (vect_is_simple_cond): Add an argument, pass it to
349 vect_is_simple_use_1.
350 (vectorizable_condition): Update calls to vect_is_simple_cond,
352 (vect_is_simple_use): Add an argument, the statement in which
353 OPERAND is used. Check that if OPERAND's def stmt is a double
354 reduction phi node, the use is a phi node too.
355 (vect_is_simple_use_1): Add an argument, pass it to
357 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
358 to vect_is_simple_use.
360 2012-02-04 Jakub Jelinek <jakub@redhat.com>
362 PR rtl-optimization/52095
363 * modulo-sched.c (dump_insn_locator): New function.
364 (loop_canon_p, sms_schedule): Use it.
366 PR rtl-optimization/52113
367 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
368 even for decomposable shift/zext insns.
370 2012-02-03 Jakub Jelinek <jakub@redhat.com>
371 Zdenek Dvorak <ook@ucw.cz>
373 PR rtl-optimization/52092
374 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
375 on get_iv_value result.
377 2012-02-02 Andrew Pinski <apinski@cavium.com>
381 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
383 2012-02-02 Jakub Jelinek <jakub@redhat.com>
386 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
388 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
390 PR rtl-optimization/49800
391 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
392 (sched_finish): Call regstat_free_n_sets_and_refs.
394 2012-02-02 Jia Liu <proljc@gmail.com>
396 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
399 2012-02-02 Jan Hubicka <jh@suse.cz>
400 Tom de Vries <tom@codesourcery.com>
403 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
404 * varpool.c (varpool_analyze_pending_decls): Likewise.
406 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
407 Jayant R Sonar <jayant.sonar@kpitcummins.com>
409 * config.gcc: Add cr16-* support.
411 * doc/extend.texi: Document cr16 extensions.
412 * doc/install.texi: Document cr16 install.
413 * doc/invoke.texi: Document cr16 options.
414 * doc/md.texi: Document cr16 constraints.
416 * common/config/cr16/cr16-common.c: New file.
417 * config/cr16/cr16.c: New file.
418 * config/cr16/cr16.h: New file.
419 * config/cr16/cr16.md: New file.
420 * config/cr16/cr16.opt: New file.
421 * config/cr16/cr16-protos.h: New file.
422 * config/cr16/predicates.md: New file.
423 * config/cr16/constraints.md: New file.
424 * config/cr16/t-cr16: New file.
426 2012-02-02 Jakub Jelinek <jakub@redhat.com>
429 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
430 that operands[2] is either immediate, or q_regs_operand.
432 PR tree-optimization/52073
433 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
434 a pattern stmt for pattern uses, ignore uses outside of the loop.
436 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
438 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
439 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
440 (OUT_AS1, OUT_AS2): Remove.
442 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
444 PR rtl-optimization/51374
445 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
446 to cross other volatile_refs_p insns.
448 2012-02-01 Richard Guenther <rguenther@suse.de>
450 * doc/invoke.texi (fno-inline): Clarify documentation.
451 (finline-small-functions): Likewise.
452 (finline-functions): Likewise.
453 * common.opt (finline): Adjust comment and documentation.
454 (finline-small-functions): Clarify documentation.
455 (finline-functions): Likewise.
456 (finline-functions-called-once): Likewise.
458 2012-02-01 Tristan Gingold <gingold@adacore.com>
460 * c-typeck.c (composite_type): Keep mode for pointers.
462 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
464 * function.h (regno_reg_rtx): Adjust comment.
465 * reginfo.c (init_reg_modes_target): Only use the previous mode
466 if it fits within one register. Remove MIPS comment.
468 2012-01-31 Jakub Jelinek <jakub@redhat.com>
471 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
473 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
475 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
478 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
480 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
482 2012-01-31 Jakub Jelinek <jakub@redhat.com>
487 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
489 2012-01-31 Richard Guenther <rguenther@suse.de>
491 PR tree-optimization/51528
492 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
495 2012-01-31 Jakub Jelinek <jakub@redhat.com>
500 * ree.c (add_removable_extension): Change def_map argument
501 to unsigned *, store in def_map 1 + offset into *insn_list vector
502 instead of pointers into the vector.
503 (find_removable_extensions): Adjust caller.
505 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
507 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
508 Transform all "* quoted-c-code" to { c-code }.
509 Remove redundant test for "optimize" in combine patterns.
510 Move (include "avr-dimode.md") to end of file.
512 2012-01-30 Bin Cheng <bin.cheng@arm.com>
515 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
516 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
518 2012-01-30 Richard Guenther <rguenther@suse.de>
520 PR tree-optimization/52028
521 * tree-loop-distribution.c (ldist_gen): Properly update
524 2012-01-30 Jakub Jelinek <jakub@redhat.com>
527 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
528 set_cur_line_info_table if not emitting debug info.
530 PR tree-optimization/52046
531 * tree-vect-patterns.c (check_bool_pattern): Give up if
532 a comparison could throw.
535 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
537 2012-01-30 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/52045
540 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
541 SSA form if cfgcleanup did anything.
543 2012-01-30 Richard Guenther <rguenther@suse.de>
545 PR tree-optimization/52045
546 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
547 before computing final todo.
549 2012-01-30 Richard Guenther <rguenther@suse.de>
551 PR tree-optimization/51528
552 * tree-sra.c (sra_modify_assign): Re-factor in preparation
555 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
557 * df-problems.c (df_kill_notes): Check that the use refers
558 to the note under examination.
560 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
563 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
564 parameter and use short-lived pseudos.
565 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
566 (sparc_expand_vector_init): Const-ify local variables and adjust
567 calls to above functions.
569 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
571 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
573 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
575 * doc/invoke.texi: Make usage of "compile time" and
576 "run time"/"runtime" consistent throughout the file.
578 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
580 * config/alpha/alpha.c (alpha_option_override): Default to
581 full IEEE compliance mode for Go language.
583 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
585 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
586 (LINK_SSP_SPEC): Define.
588 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
591 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
594 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
596 * doc/invoke.texi: Correct hyphenation of "floating point",
597 "double precision", and related terminology throughout the file.
599 2012-01-28 Jakub Jelinek <jakub@redhat.com>
602 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
603 arm_general_register_operand predicate for operand 2 instead of
606 2012-01-27 Ian Lance Taylor <iant@google.com>
609 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
610 * builtins.c (expand_builtin_init_trampoline): Add onstack
611 parameter. Change caller.
612 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
613 * tree.c (build_common_builtin_nodes): Declare
614 __builtin_init_heap_trampoline.
616 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
618 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
619 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
620 * config/avr/avr.c: Ditto.
621 (avr_regnames): Remove because unused.
622 * config/avr/avr.md (*cpse.ne): New peephole.
623 (*cpse.eq): New peephole from former cpse peepholes.
625 2012-01-27 Michael Eager <eager@eagercon.com>
627 * config/microblaze.c (microblaze_emit_compare): Correct
628 test after pcmp instruction.
630 2012-01-27 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/52020
633 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
635 2012-01-27 Richard Guenther <rguenther@suse.de>
637 * ipa-pure-const.c (check_stmt): Clobbers do not make a
638 function non-const/pure.
640 2012-01-27 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/50444
643 * tree-sra.c (build_ref_for_offset): Properly adjust the
644 MEM_REF type for unaligned accesses.
646 2012-01-27 Richard Guenther <rguenther@suse.de>
648 PR tree-optimization/50444
649 * expr.c (mem_ref_refers_to_non_mem_p): New function.
650 (expand_assignment): Use it. Properly handle misaligned
651 bases when expanding stores to component references.
652 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
655 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
658 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
659 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
660 * tree-data-ref.c (find_data_references_in_loop): Make static.
661 (compute_all_dependences): Change return type to bool. Bail out
662 for too many datarefs in a loop. Move the hunk resetting the data
663 dependences vector from ...
664 (compute_data_dependences_for_loop): ... here. Account for
665 compute_all_dependences returning false.
666 (compute_data_dependences_for_bb): Likewise.
667 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
668 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
670 2012-01-27 Richard Guenther <rguenther@suse.de>
673 * expr.c (store_field): Use the alias-set of the scratch memory
676 2012-01-27 Tom de Vries <tom@codesourcery.com>
678 PR tree-optimization/51990
679 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
681 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
683 2012-01-27 Jakub Jelinek <jakub@redhat.com>
686 * var-tracking.c (reverse_op): Don't add any reverse operation
687 if V already has any constant locations.
689 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
691 * doc/invoke.texi: Correct usage of "command line" (noun)
692 vs "command-line" (adjective) throughout.
694 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
696 * doc/invoke.texi (Language Independent Options): Move
697 -Wcoverage-mismatch blurb from here....
698 (Warning Options): ...to here.
700 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
702 * config/rs6000/rs6000.c (rs6000_option_override_internal):
703 Set rs6000_always_hint to false for 476.
705 2012-01-27 Matthias Klose <doko@ubuntu.com>
707 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
709 * incpath.c (add_standard_paths): Likewise.
711 2012-01-27 Richard Henderson <rth@redhat.com>
713 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
714 * config/m68k/sync.md (atomic_test_and_set): Rename from
715 sync_test_and_setqi and adjust the operands.
716 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
717 and unconditionally enable.
719 2012-01-27 Richard Henderson <rth@redhat.com>
721 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
722 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
723 (ldstub): Rename from ldstubqi.
724 (ldstub<I24MODE>): Remove.
726 2012-01-27 Richard Henderson <rth@redhat.com>
728 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
729 * c-cppbuiltin.c (cpp_atomic_builtins): Define
730 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
731 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
732 * doc/tm.texi: Rebuild.
734 2012-01-27 Richard Henderson <rth@redhat.com>
736 * optabs.c (gen_atomic_test_and_set): Remove default.
737 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
739 2012-01-26 Jakub Jelinek <jakub@redhat.com>
741 PR rtl-optimization/51978
742 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
743 (combine_reaching_defs): Likewise.
744 (struct re_info): Remove.
745 (add_removable_extension): Remove x and data arguments,
746 add insn, insn_list and def_map. Use the arguments directly
747 instead of using struct re_info.
748 (find_removable_extensions): Don't call add_removable_extension
749 through note_stores, instead just call it with single_set
751 (find_and_remove_re): Pass curr_cand->expr instead of
752 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
754 2012-01-26 Michael Matz <matz@suse.de>
756 PR tree-optimization/46590
757 * cfgexpand.c: Revert last change (r183305).
758 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
760 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
761 checking for emptiness.
763 2012-01-26 Jakub Jelinek <jakub@redhat.com>
766 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
767 non-addressable non-BLKmode base correctly.
769 2012-01-26 Michael Matz <matz@suse.de>
771 PR tree-optimization/48794
772 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
773 regions referenced from RESX/EH_DISPATCH.
775 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
777 * config/s390/s390.h: Make BRANCH_COST an option.
778 * config/s390/s390.opt: New option -mbranch-cost.
780 2012-01-26 Richard Henderson <rth@redhat.com>
782 Revert 2012-01-24 change:
783 * trans-mem.c (requires_barrier): Do not instrument thread local
784 variables and emit save/restore for them.
786 2012-01-25 Jakub Jelinek <jakub@redhat.com>
789 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
792 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
794 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
797 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
800 Rename __pgm to __flash.
801 Rename __pgm1 to __flash1.
802 Rename __pgm2 to __flash2.
803 Rename __pgm3 to __flash3.
804 Rename __pgm4 to __flash4.
805 Rename __pgm5 to __flash5.
806 Rename __pgmx to __memx.
807 * doc/extend.texi (AVR Named Address Spaces)
808 Rename address space names as indicated above.
809 * config/avr/avr.c (avr_addrspace): Ditto.
811 * config/avr/avr-protos.h
812 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
813 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
814 * config/avr/predicates.md: Ditto.
815 * config/avr/avr.c Ditto, and
816 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
817 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
819 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
820 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
821 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
822 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
823 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
824 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
825 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
826 * config/avr/avr.c: Ditto.
827 * config/avr/avr.md: Ditto.
829 2012-01-25 Jason Merrill <jason@redhat.com>
832 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
834 2012-01-25 Jakub Jelinek <jakub@redhat.com>
836 PR tree-optimization/51987
837 * tree-data-ref.c (get_references_in_stmt): Handle references in
838 non-volatile GIMPLE_ASM.
840 2012-01-25 Richard Guenther <rguenther@suse.de>
842 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
843 bases are dereferenced.
845 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
847 PR rtl-optimization/48374
848 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
850 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
852 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
853 compute_data_dependences_for_loop returns false.
854 * tree-parloops.c (loop_parallel_p): Likewise.
856 2012-01-25 Richard Guenther <rguenther@suse.de>
858 * tree.h (get_pointer_alignment_1): Declare.
859 * builtins.c (get_pointer_alignment_1): New function.
860 (get_pointer_alignment): Use it.
862 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
864 PR rtl-optimization/48308
865 * combine.c (enum undo_kind): Add UNDO_LINKS.
866 (struct undo): Add member l to other_contents and where.
867 (do_SUBST_LINK): New.
869 (try_combine): Handle LOG_LINKS for the dummy i1 case.
870 (undo_all): Handle UNDO_LINKS.
872 2012-01-25 Richard Henderson <rth@redhat.com>
874 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
877 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
879 * optabs.c (gen_atomic_test_and_set): Use each argument.
881 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
883 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
884 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
885 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
886 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
887 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
888 TARGET_PAIRED_SINGLE_FLOAT.
890 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
892 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
893 (in_struct, return_val): Remove MEM documentation.
894 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
895 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
896 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
898 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
899 * cfgexpand.c (add_alias_set_conflicts): Likewise.
900 * expr.c (store_field): Likewise.
901 * function.c (assign_stack_temp_for_type): Likewise.
902 * ifcvt.c (noce_try_cmove_arith): Likewise.
903 * reload1.c (reload): Likewise.
904 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
905 (alpha_set_memflags): Likewise.
906 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
908 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
910 * rtl.h (true_dependence, canon_true_dependence): Remove varies
912 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
913 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
914 (true_dependence_1, true_dependence, canon_true_dependence): Remove
916 * cselib.c (cselib_rtx_varies_p): Delete.
917 (cselib_invalidate_mem): Update call to canon_true_dependence.
918 * dse.c (record_store, check_mem_read_rtx): Likewise.
919 (scan_reads_nospill): Likewise.
920 * cse.c (check_dependence): Likewise.
921 (cse_rtx_varies_p): Delete.
922 * expr.c (safe_from_p): Update call to true_dependence.
923 * ira.c (validate_equiv_mem_from_store): Likewise.
924 (memref_referenced_p): Likewise.
925 * postreload-gcse.c (find_mem_conflicts): Likewise.
926 * sched-deps.c (sched_analyze_2): Likewise.
927 * store-motion.c (load_kills_store): Likewise.
928 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
929 * gcse.c (mems_conflict_for_gcse_p): Likewise.
930 (compute_transp): Update call to canon_true_dependence.
932 2012-01-25 Richard Henderson <rth@redhat.com>
934 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
935 (maybe_emit_atomic_test_and_set): New.
936 (expand_sync_lock_test_and_set): Use it.
937 (expand_atomic_test_and_set): Likewise.
938 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
939 the implementation; clarify implementation defined details.
940 * doc/md.texi (atomic_test_and_set): Document.
942 2012-01-25 Richard Henderson <rth@redhat.com>
944 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
946 2012-01-25 Richard Henderson <rth@redhat.com>
949 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
950 to effect no-op split.
952 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
955 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
956 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
957 (BT_FN_VOID_PTR_INT_SIZE): New.
958 (BT_FN_UINT_UINT_VAR): Remove.
959 (BT_FN_UINT32_UINT32_VAR): New.
960 (BT_FN_DOUBLE_VPTR): Remove.
961 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
963 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
964 (_ITM_changeTransactionMode): Same.
965 (_ITM_memmoveRtWt): Change return type to void.
966 (_ITM_memcpyRtWt): Same.
967 (_ITM_memsetW): Same.
968 (_ITM_RaRD): Change types to double.
973 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
975 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
976 Patrick Marlier <patrick.marlier@gmail.com>
978 * trans-mem.c (requires_barrier): Do not instrument thread local
979 variables and emit save/restore for them.
981 2012-01-24 Jason Merrill <jason@redhat.com>
984 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
985 output static aliases.
987 2012-01-24 Jakub Jelinek <jakub@redhat.com>
990 * common.opt (-pie, -shared, pie, shared): Change from Common to
992 * gcc.c (display_help): Display help for -pie and -shared.
994 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
997 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
998 Remove note on size/offset limitation.
999 (AVR Variable Attributes): Add example how to read data located
1000 with progmem. Refer to named address spaces.
1001 * doc/invoke.texi (AVR Options): Fix typo.
1003 2012-01-24 Richard Guenther <rguenther@suse.de>
1005 Forward-port to trunk
1006 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1009 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1010 op0 isn't sufficiently aligned and there is movmisalignM
1011 insn for mode, use it to load op0 into a temporary register.
1013 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1016 * target.def (const_not_ok_for_debug_p): New hook.
1017 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1019 * doc/tm.texi: Regenerated.
1020 * dwarf2out.c (const_ok_for_output_1): If
1021 targetm.const_not_ok_for_debug_p returns true, fail.
1022 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1024 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1026 2012-01-23 Kai Tietz <ktietz@redhat.com>
1029 * config/i386/predicates.md (symbolic_operand): Allow
1030 UNSPEC_PCREL as PIC expression for lea.
1031 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1032 * config/i386/i386.c (ix86_delegitimize_address): Handle
1033 UNSPEC_PCREL for none-MEM, too.
1035 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1037 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1038 (ipa_tm_create_version_alias): Same.
1040 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1043 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1044 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1046 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1047 Patrick Marlier <patrick.marlier@gmail.com>
1048 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1051 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1052 simple_object_start_read.
1054 2012-01-23 Richard Guenther <rguenther@suse.de>
1057 PR tree-optimization/51895
1058 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1059 parameter decomposition into BLKmode components.
1061 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1063 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1064 fake variables for restrict-qualified pointers whose pointed-to type
1065 contains a placeholder.
1067 2012-01-23 Richard Guenther <rguenther@suse.de>
1069 PR tree-optimization/51949
1070 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1072 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1074 PR rtl-optimization/51933
1075 * ree.c (transform_ifelse): Return true right away if dstreg is
1076 already wider or equal to cand->mode.
1077 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1078 (make_defs_and_copies_lists): Remove defs_list and copies_list
1079 arguments, add state argument, just truncate state->work_list
1080 instead of always allocating and freeing the vector. Assert that
1081 get_defs succeeds instead of returning 2. Changed return type to bool.
1082 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1083 have ext_src_mode, see if it has been modified already with the
1084 right kind of extension and has been extended before from the
1085 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1086 just return true. Remember the original mode in state->modified array.
1087 (combine_reaching_defs): Add state argument. Don't allocate and
1088 free here def_list, copied_list and vec vectors, instead just
1089 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1090 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1091 Add state variable, clear vectors in it, initialize state.modified
1092 if needed. Free all the vectors at the end and state.modified too.
1093 Don't skip a candidate if the extension expression has been modified.
1095 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1098 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1099 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1100 (extra_options) interix.opt -> i386/interix.opt"
1101 (extra_objs):Add winnt-stubs.o
1102 * configure.ac: Add interix to target_os .comm on PE check.
1103 * configure: Regenerate.
1104 * config/interix3.h: Delete and move bits to..
1105 * config/interix.h: Delete and move bits to..
1106 * config/i386/i386-interix3.h: Delete and move bits to..
1107 * config/i386/i386-interix.h: ..here.
1108 (TARGET_CPU_DEFAULT): Remove redefinition.
1109 (TARGET_ASM_CONSTRUCTOR): Undefine.
1110 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1111 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1112 (PTRDIFF_TYPE): Define.
1113 (LONG_DOUBLE_TYPE_SIZE): Define.
1114 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1115 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1116 (TARGET_SECTION_TYPE_FLAGS): Define.
1117 (ASM_DECLARE_FUNCTION_NAME): Define.
1118 (ASM_OUTPUT_EXTERNAL): Define.
1119 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1120 (ASM_OUTPUT_ALIGNED_BSS): Define.
1121 (PCC_BITFIELD_TYPE_MATTERS): Define.
1122 (USE_CONST_SECTION): Define.
1123 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1124 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1125 (SUPPORTS_ONE_ONLY): Remove.
1126 (I386_PE_STRIP_ENCODING): Define.
1127 * config/interix.opt: Delete and move bits to..
1128 * config/i386/interix.opt: ..here. New.
1129 (mpe-aligned-commons): Add.
1130 * config/i386/t-interix: Add copyright header.
1131 (winnt-stubs.o): Add rule.
1133 2012-01-22 Jason Merrill <jason@redhat.com>
1136 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1137 for extra name aliases.
1139 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1141 PR rtl-optimization/51924
1142 * ree.c (combine_set_extension): Improve debugging message.
1143 (combine_reaching_defs): Likewise.
1144 (get_defs): Rename confusingly named variable.
1145 (find_and_remove_re): Skip a candidate if the extension expression has
1148 2012-01-21 Robert Millan <rmh@gnu.org>
1149 Gerald Pfeifer <gerald@pfeifer.com>
1151 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1152 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1154 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1156 PR tree-optimization/51914
1157 * tree-vect-stmts.c (vectorizable_conversion): For
1158 cvt_type && modifier == WIDEN, put temporary with cvt_type
1159 at the beginning of vec_dsts and set vec_dest to temporary
1162 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1164 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1166 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1168 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1169 * config/rs6000/rs6000.c: Likewise.
1171 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1174 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1175 output_move_double on a copy of operands array.
1177 2012-01-20 Cary Coutant <ccoutant@google.com>
1178 Dodji Seketeli <dodji@redhat.com>
1181 * dwarf2out.c (copy_declaration_context): Return ref to parent
1182 of declaration DIE, if necessary.
1183 (remove_child_or_replace_with_skeleton): Add new parameter; update
1184 caller. Place skeleton DIE under parent DIE of original declaration.
1185 Move call to copy_declaration_context to here ...
1186 (break_out_comdat_types): ... from here.
1188 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1190 PR rtl-optimization/51856
1191 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1194 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1197 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1198 hints for neon loads and stores.
1200 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1204 * doc/extend.texi (Named Address Spaces): Split into subsections.
1205 (AVR Named Address Spaces): New subsection.
1206 (M32C Named Address Spaces): New subsection.
1207 (RL78 Named Address Spaces): New subsection.
1208 (SPU Named Address Spaces): New subsection.
1209 (Variable Attributes): New anchor "AVR Variable Attributes".
1210 (AVR Variable Attributes): Rewrite and avoid wording
1211 "address space" in this context.
1212 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1213 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1214 (AVR Built-in Macros): New subsubsection therein.
1215 * doc/md.texi (AVR constraints): Remove "C04", "R".
1217 2012-01-20 Richard Guenther <rguenther@suse.de>
1219 PR tree-optimization/51903
1220 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1221 when removing stmts.
1223 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1226 * config/arm/arm.c (arm_load_pic_register): Use
1227 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1228 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1229 (arm_pic_static_addr): Likewise.
1230 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1231 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1232 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1233 (pic_load_addr_unified): New.
1235 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1238 * function.c (instantiate_virtual_regs_in_insn): Use
1239 delete_insn_and_edges when removing a wrong asm insn.
1241 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1243 PR rtl-optimization/40761
1244 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1245 Add new member loop_num.
1246 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1247 (ira_build): Remove the parameter.
1249 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1250 (ira.c): Do not build CFG loops for one region allocation. Remove
1251 argument from ira_build call.
1253 * ira-build.c (init_loop_tree_node): New function.
1254 (create_loop_tree_nodes): Use it. Separate the case when CFG
1255 loops are not built.
1256 (more_one_region_p): Check current_loops.
1257 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1259 (add_loop_to_tree): Process loop equal to NULL too.
1260 (form_loop_tree): Separate the case when CFG loops are not built.
1261 Use explicitly number for the root.
1262 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1264 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1265 instead of loop->num.
1266 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1267 (mark_all_loops_for_removal): Ditto.
1268 (remove_unnecessary_regions): Separate the case when CFG loops
1270 (ira_build): Remove the parameter. Use explicit number of regions
1271 when CFG loops are not built.
1273 * ira-color.c (print_loop_title): Separate the case for the root node.
1274 Use loop_num instead of loop->num.
1275 (move_spill_restore): Use loop_num instead of loop->num.
1277 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1278 (change_loop): Ditto.
1279 (change_loop): Use loop_num instead of loop->num.
1281 * ira-lives.c (process_bb_node_lives): Ditto.
1283 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1285 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1287 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1290 * tree-mudflap.c (mf_artificial): New function.
1291 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1292 mx_register_decls, mudflap_enqueue_decl): Use it.
1295 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1296 numbers in the insn pattern.
1298 2012-01-19 Michael Matz <matz@suse.de>
1300 PR tree-optimization/46590
1301 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1302 use it in remembering which conflicts we already created.
1303 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1306 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1309 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1310 (merge_and_complain): Same.
1312 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1315 * config/initfini-array.h: Guard content of the header
1316 with #ifdef HAVE_INITFINI_ARRAY.
1317 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1318 Add initfini-array.h to tm_file here.
1319 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1320 * config.gcc: Don't add initfini-array.h to tm_file here.
1321 * configure: Regenerated.
1323 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1325 PR rtl-optimization/51505
1326 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1327 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1328 (df_note_bb_compute): Update the call to df_kill_notes.
1330 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1332 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1334 2012-01-18 Richard Guenther <rguenther@suse.de>
1336 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1337 of conversions to void *.
1339 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1340 Richard Sandiford <rdsandiford@googlemail.com>
1344 * optabs.h (simplify_expand_binop): Declare.
1345 * optabs.c (simplify_expand_binop): Make global.
1346 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1347 endian targets if the source cannot be exactly covered by word
1350 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1353 * hard-reg-set.h (struct hard_reg_set_container): New type.
1354 * target.h (struct hard_reg_set_container): Forward declare.
1355 * target.def (set_up_by_prologue): New target hook.
1356 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1357 * doc/tm.texi: Regenerated.
1358 * function.c (thread_prologue_and_epilogue_insns): Change
1359 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1360 Call targetm.set_up_by_prologue on it.
1361 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1362 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1364 2012-01-17 Nick Clifton <nickc@redhat.com>
1366 * config/rx/rx.c (rx_can_use_simple_return): New function.
1367 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1368 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1370 2012-01-17 Richard Guenther <rguenther@suse.de>
1373 * expr.c (expand_assignment): Take address-space information
1374 from the address operand of MEM_REF and TARGET_MEM_REF.
1375 (expand_expr_real_1): Likewise.
1377 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1379 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1380 reload dump is requested.
1382 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1385 * trans-mem.c (requires_barrier): Call may_be_aliased.
1387 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1389 PR tree-optimization/51877
1390 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1391 call arguments and fndecls compare equal, instead return false if they
1392 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1393 both SSA_NAMEs that are valueized the same, or they satisfy
1396 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1398 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1400 * configure: Regenerate.
1402 2012-01-16 Jan Hubicka <jh@suse.cz>
1406 * convert.c (convert_to_integer): Use fold_convert for
1407 converting an INTEGER_CST to integer type.
1409 2012-01-16 Jason Merrill <jason@redhat.com>
1412 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1414 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1417 * config/s390/s390.c (s390_chunkify_start): Don't skip
1418 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1419 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1420 If insn is followed by NOTE_INSN_VAR_LOCATION or
1421 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1422 Don't use location of note insns.
1424 PR tree-optimization/51865
1425 * tree-inline.c (tree_function_versioning): Call remap_decl
1426 on DECL_RESULT whenever it has VOID_TYPE_P type.
1428 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1430 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1431 for calls to locally-binding MIPS16 functions if only the return
1432 type uses float regs.
1434 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1435 Richard Sandiford <rdsandiford@googlemail.com>
1437 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1438 (SYMBOL_32_HIGH): Likewise.
1439 (mips_output_tls_reloc_directive): Declare.
1440 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1441 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1442 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1443 (mips_lo_relocs, mips_hi_relocs): Make extern.
1444 (mips16_stub_function): Move up file.
1445 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1446 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1447 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1448 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1449 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1450 (mips_get_tp): Add MIPS16 support.
1451 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1452 Generalize DTPREL and TPREL handling.
1453 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1454 Add MIPS16 TLS support.
1455 (mips_output_tls_reloc_directive): New function.
1456 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1457 * config/mips/predicates.md (symbolic_operand_with_high)
1458 (tls_reloc_operand): New predicates.
1459 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1460 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1461 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1462 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1463 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1464 (*tls_get_tp_mips16_call_<mode>): Likewise.
1466 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1468 PR rtl-optimization/51821
1469 * recog.c (peep2_find_free_register): Determine clobbered registers
1472 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1475 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1476 * config/avr/avr.c: Likewise.
1477 * config/avr/avr.h: Likewise.
1479 2012-01-13 Ian Lance Taylor <iant@google.com>
1482 * tree.h (TYPE_QUALS): Add cast to int.
1483 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1485 2012-01-13 Ian Lance Taylor <iant@google.com>
1487 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1488 comparing param_index to VEC_length result.
1490 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1492 * c-decl.c: Do not include tree-mudflap.h
1493 * tree-optimize.c: Likewise.
1494 * Makefile.in: Update dependencies.
1496 2012-01-13 Richard Guenther <rguenther@suse.de>
1499 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1500 variable-sized result always use RSO.
1502 2012-01-12 DJ Delorie <dj@redhat.com>
1504 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1505 pointer type, not just the default pointer type.
1507 2012-01-09 Richard Henderson <rth@redhat.com>
1508 Denis Chertykov <chertykov@gmail.com>
1511 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1512 * config/avr/avr.c (avr_can_eliminate): Simplify.
1513 (avr_initial_elimination_offset): Likewise.
1514 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1515 (expand_epilogue): Likewise.
1516 (avr_legitimize_address): Gut.
1517 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1518 (avr_hard_regno_nregs): New.
1519 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1520 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1521 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1522 add soft frame pointer.
1523 (CALL_USED_REGISTERS): Likewise.
1524 (REG_CLASS_CONTENTS): Likewise.
1525 (REGISTER_NAMES): Likewise.
1526 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1527 (HARD_FRAME_POINTER_REGNUM): New.
1528 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1529 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1530 remove the HARD_FRAME_POINTER self-elimination.
1532 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1535 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1536 DECL_EXTERNAL when checking for initializers of progmem variables.
1538 2012-01-12 Ira Rosen <irar@il.ibm.com>
1540 PR tree-optimization/51799
1541 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1542 that the last operation is a type demotion.
1544 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1546 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1547 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1549 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1552 * combine.c (distribute_notes): If i3 is a noreturn call,
1553 allow old_size to be equal to args_size and make sure the
1554 noreturn call gets REG_ARGS_SIZE note.
1555 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1556 on noreturn calls even when the delta is 0.
1558 2012-01-11 Nathan Sidwell <nathan@acm.org>
1560 * gcov.c (STRING_SIZE): Remove.
1561 (generate_results): Erase annotations for source files with no
1562 coverage information.
1564 (output_lines): Use it.
1566 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1568 * gimple.h (gimplify_body): Remove first argument.
1569 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1570 pointer set here, instead just pass DATA to walk_tree.
1571 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1572 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1573 (unvisit_body): Likewise, but with unmark_visited.
1574 (gimplify_body): Remove BODY_P argument and adjust.
1575 (gimplify_function_tree): Adjust call to gimplify_body.
1576 * omp-low.c (finalize_task_copyfn): Likewise.
1578 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1580 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1581 (build_function_type_skip_args): Delete.
1582 * tree.c (build_function_type_skip_args): Make static and add
1583 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1584 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1585 pass it to build_function_type_skip_args.
1586 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1587 (tree_function_versioning): Likewise.
1588 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1589 build_function_decl_skip_args.
1590 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1591 and pass it to build_function_decl_skip_args/tree_function_versioning.
1592 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1593 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1594 * trans-mem.c (ipa_tm_create_version): Likewise.
1595 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1596 * tree-inline.c (declare_return_variable): Remove always-true test.
1597 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1598 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1599 * ipa-split.c (split_function): Skip the return value for the split
1600 part if it doesn't return.
1602 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1604 PR tree-optimization/49642
1605 * ipa-split.c (forbidden_dominators): New variable.
1606 (check_forbidden_calls): New function.
1607 (dominated_by_forbidden): Likewise.
1608 (consider_split): Check for forbidden dominators.
1609 (execute_split_functions): Initialize and free forbidden
1610 dominators info; call check_forbidden_calls.
1612 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1614 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1616 2012-01-11 Nick Clifton <nickc@redhat.com>
1618 * config/rx/rx.md (return): Define pattern.
1620 2012-01-11 Richard Guenther <rguenther@suse.de>
1622 * doc/extend.texi (malloc attribute): Adjust according to
1625 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1626 Patrick Marlier <patrick.marlier@gmail.com>
1629 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1630 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1631 (ipa_tm_note_irrevocable): Same.
1632 (ipa_tm_scan_irr_block): Same.
1633 (ipa_tm_decrement_clone_counts): Same.
1634 (ipa_tm_scan_irr_function): Same.
1635 (ipa_tm_create_version_alias): Same.
1636 (ipa_tm_create_version): Same.
1637 (ipa_tm_transform_calls_redirect): Same.
1638 (ipa_tm_transform_calls): Same.
1639 (ipa_tm_transform_transaction): Same.
1640 (ipa_tm_execute): Same.
1642 2012-01-10 Richard Guenther <rguenther@suse.de>
1645 * opts.c (common_handle_option): Handle -Werror.
1647 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1649 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1652 2012-01-10 Jason Merrill <jason@redhat.com>
1654 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1657 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1659 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1660 supports R_386_TLS_GD_PLT reloc.
1661 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1662 supports R_386_TLS_LDM_PLT reloc.
1663 * configure: Regenerate.
1664 * config.in: Regenerate.
1666 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1669 Extend __pgmx semantics to linearize memory.
1670 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1671 determine if code comes inline or from libgcc.
1672 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1673 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1674 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1675 (movmemx_qi, movmemx_hi): New insns.
1676 (xload_<mode>_libgcc): Rewrite to new insn condition.
1677 (xload_<mode>): Remove insns.
1678 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1679 cases that don't satisfy avr_xload_libgcc_p().
1680 (avr_addr_space_convert): Allow converting in any direction.
1681 (avr_addr_space_subset_p): Return always true.
1682 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1683 (avr_emit_movmemhi): Ditto.
1684 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1685 (avr_out_movmem): Ditto.
1686 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1687 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1688 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1689 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1690 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1692 2012-01-10 Richard Guenther <rguenther@suse.de>
1694 PR tree-optimization/50913
1695 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1696 Require data-refs to be representable by Graphite with respect
1699 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1701 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1702 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1704 2012-01-10 Tom de Vries <tom@codesourcery.com>
1706 PR rtl-optimization/51271
1707 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1708 handling annulled branch.
1710 2012-01-10 Richard Henderson <rth@redhat.com>
1712 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1713 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1714 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1715 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1716 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1717 arm_expand_vec_perm_const): New.
1718 * config/arm/arm-protos.h: Update.
1719 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1720 (*neon_vswp<VDQX>): New.
1721 (neon_vcombine<VDX>): Use neon_split_vcombine.
1722 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1723 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1724 (vec_perm<VE>): New.
1726 2012-01-10 Richard Henderson <rth@redhat.com>
1728 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1729 use it if reload_completed.
1730 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1731 arm_output_asm_insn, arm_process_output_memory_barrier,
1732 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1733 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1734 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1735 arm_process_output_sync_insn, arm_output_sync_insn,
1736 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1737 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1738 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1739 (emit_unlikely_jump): New.
1740 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1741 (arm_split_atomic_op): New.
1742 * config/arm/arm-protos.h: Update.
1743 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1744 (struct arm_sync_generator): Remove.
1745 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1746 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1747 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1748 (VUNSPEC_LL, VUNSPEC_SC): New.
1749 (sync_result, sync_memory, sync_required_value, sync_new_value,
1750 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1751 (attr length): Don't use arm_sync_loop_insns.
1752 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1753 (movsfcc, movdfcc): Likewise.
1754 * config/arm/constraints.md (Ua): New.
1755 * config/arm/prediates.md (mem_noofs_operand): New.
1756 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1757 (sync_clobber, sync_t2_reqd): Remove.
1758 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1759 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1760 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1761 (arm_sync_compare_and_swap<SIDI>): Remove.
1762 (arm_sync_compare_and_swap<NARROW>): Remove.
1763 (arm_sync_lock_test_and_set<SIDI>): Remove.
1764 (arm_sync_lock_test_and_set<NARROW>): Remove.
1765 (arm_sync_new_<syncop><SIDI>): Remove.
1766 (arm_sync_new_<syncop><NARROW>): Remove.
1767 (arm_sync_new_nand<SIDI>): Remove.
1768 (arm_sync_new_nand<NARROW>): Remove.
1769 (arm_sync_old_<syncop><SIDI>): Remove.
1770 (arm_sync_old_<syncop><NARROW>): Remove.
1771 (arm_sync_old_nand<SIDI>): Remove.
1772 (arm_sync_old_nand<NARROW>): Remove.
1773 (*memory_barrier): Merge arm_output_memory_barrier.
1774 (atomic_compare_and_swap<QHSD>): New.
1775 (atomic_compare_and_swap<NARROW>_1): New.
1776 (atomic_compare_and_swap<SIDI>_1): New.
1777 (atomic_exchange<QHSD>): New.
1778 (cas_cmp_operand, cas_cmp_str): New.
1779 (atomic_op_operand, atomic_op_str): New.
1780 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1781 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1782 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1783 (arm_load_exclusive<NARROW>): New.
1784 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1785 (arm_store_exclusive<QHSD>): New.
1787 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1789 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1790 reload patterns if -mvsx-scalar-memory.
1792 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1793 generated, even -mno-vsx-scalar-double was used.
1794 (vsx_xscvdpsp_scalar): Likewise.
1795 (vsx_xscvspdp_scalar2): Likewise.
1797 2012-01-09 Tom de Vries <tom@codesourcery.com>
1798 Andrew Pinski <apinski@cavium.com>
1801 * reorg.c (fill_slots_from_thread): Don't speculate
1802 frame-related insns.
1804 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1806 * sched-int.h (bb_note): Move to...
1807 * basic-block.h: ...here.
1808 * haifa-sched.c (bb_note): Move to...
1809 * cfgrtl.c: ...here.
1810 * function.c (next_block_for_reg): New function.
1811 (move_insn_for_shrink_wrap): Likewise.
1812 (prepare_shrink_wrap): Rewrite to use the above.
1814 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1816 * gimple.c (is_gimple_non_addressable): Remove.
1817 * gimple.h: Remove is_gimple_non_addressable.
1818 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1819 is_gimple_non_addressable.
1820 * trans-mem.c (expand_assign_tm): Same.
1822 2012-01-09 Richard Guenther <rguenther@suse.de>
1824 PR tree-optimization/51775
1825 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1826 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1828 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1830 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1832 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1834 2012-01-09 Richard Guenther <rguenther@suse.de>
1836 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1838 2012-01-08 Jan Hubicka <jh@suse.cz>
1840 PR tree-optimize/51680
1841 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1842 on when known_vals needs to be computed; cleanup.
1844 2012-01-08 Jan Hubicka <jh@suse.cz>
1846 PR tree-optimize/51694
1847 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1849 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1851 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1852 for -std=c++98 and -std=c++11 too.
1854 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1856 * cfgloop.c (cancel_loop): Add free() of bbs array.
1858 2012-01-07 Jan Hubicka <jh@suse.cz>
1860 PR tree-optimization/51600
1861 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1862 that benefits small functions.
1864 2012-01-07 Jan Hubicka <jh@suse.cz>
1866 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1868 2012-01-07 Jan Hubicka <jh@suse.cz>
1870 PR tree-optimization/51680
1871 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1872 whose inlining reduce unit size.
1874 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1877 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1878 Add canonical node to containing_mem chain after the non-canonical
1879 one, even if there weren't any locs to propagate.
1880 (remove_useless_values): Keep only canonical values.
1881 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1882 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1883 canonicalize mem_chain elements that are not discarded.
1885 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1888 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1889 before emitting functions.
1891 PR gcov-profile/50127
1892 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1893 clear_aux_for_blocks.
1895 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1898 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1900 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1902 * c-decl.c (ext_block): Moved up.
1903 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1905 2012-01-06 Han Shen <shenhan@google.com>
1907 Translate built-in include paths for sysroot.
1908 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1909 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1911 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1912 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1914 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1915 control whether sysroot should be prepended to gxx include dir.
1917 * configure: Regenerate.
1919 2012-01-06 Torvald Riegel <triegel@redhat.com>
1921 PR rtl-optimization/51771
1922 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1923 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1925 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1927 PR tree-optimization/51315
1928 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1929 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1931 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1934 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1935 for shrp pattern. Correctly handle and fixup shift variable.
1936 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1938 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1941 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1942 note when !ACCUMULATE_OUTGOING_ARGS.
1944 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1946 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1948 (extract_range_from_unary_expr_1): Avoid useless computations.
1950 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1952 PR rtl-optimization/51767
1953 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1954 of jump_block and add an extra edge for degenerated asm gotos.
1957 * stmt.c (check_unique_operand_names): Don't ICE during error
1958 reporting if i is from labels chain.
1961 * profile.c (branch_prob): Split bbs that have exit edge
1962 and need a fake entry edge too.
1964 2012-01-05 Jan Hubicka <jh@suse.cz>
1967 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1970 2012-01-05 Richard Guenther <rguenther@suse.de>
1973 * tree-streamer-out.c (write_ts_optimization): New function.
1974 (streamer_write_tree_body): Call it.
1975 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1976 (streamer_read_tree_body): Call it.
1977 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1979 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1982 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1983 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1984 in_cleanup_point_expr before gimplify_stmt call and restore it
1986 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1987 in_cleanup_point_expr is false.
1989 2012-01-05 Richard Guenther <rguenther@suse.de>
1992 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1994 * toplev.c (process_options): Reject combining mudflap and LTO.
1995 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1997 2012-01-05 Richard Guenther <rguenther@suse.de>
1999 PR tree-optimization/51760
2000 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2002 (bit_value_unop): Handle UNDEFINED operands.
2003 (bit_value_binop): Likewise.
2005 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2007 * config/avr/avr.c (avr_replace_prefix): Remove.
2008 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2009 (avr_asm_function_rodata_section): Ditto.
2010 (avr_asm_select_section): Ditto.
2012 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2014 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2017 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2020 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2021 calls that have any non-fake successor edges.
2024 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2026 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2028 PR tree-optimization/51624
2029 * tree-sra.c (build_ref_for_model): When replicating a chain of
2030 COMPONENT_REFs, stop as soon as the offset would become negative.
2032 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2035 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2036 in .debug_loc on the floor.
2038 2012-01-04 Andrew Pinski <apinski@cavium.com>
2040 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2042 2012-01-04 Andrew Pinski <apinski@cavium.com>
2043 Adam Nemet <anemet@caviumnetworks.com>
2045 * config/mips/mips.md (size): Add SI and DI.
2046 (SIZE): New mode attribute.
2047 (U): New code attribute.
2048 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2049 (mips_lbux_<mode>): Delete.
2050 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2051 (mips_lhx): Use gen_mips_lhx_extsi.
2052 (mips_lhx_<mode>): Delete.
2054 (mips_l<size>x): New expand.
2055 (mips_lwx_<mode>): Delete.
2056 (mips_l<GPR:size>x_<P:mode>): New pattern.
2057 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2058 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2059 * config/mips/mips.c (mips_lx_address_p): New function.
2060 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2061 (dsp64): New availability predicate.
2062 (mips_builtins): Add an entry for __builtin_mips_ldx.
2063 * config/mips/mips.h (ISA_HAS_LBX): New define.
2064 (ISA_HAS_LBUX): Likewise.
2065 (ISA_HAS_LHX): Likewise.
2066 (ISA_HAS_LHUX): Likewise.
2067 (ISA_HAS_LWX): Likewise.
2068 (ISA_HAS_LWUX): Likewise.
2069 (ISA_HAS_LDX): Likewise.
2070 * doc/extend.texi (__builtin_mips_ldx): Document.
2072 2012-01-04 Tristan Gingold <gingold@adacore.com>
2074 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2075 when long pointers are used.
2076 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2077 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2078 (ia64-hp-*vms*): Remove.
2079 * config/vms/xm-vms64.h: Delete.
2081 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2084 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2086 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2088 * opts.c (finish_options): Remove duplicate sorry.
2090 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2093 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2096 2012-01-04 Richard Guenther <rguenther@suse.de>
2099 * tree.c (size_low_cst): New function.
2100 * tree.h (size_low_cst): Declare.
2101 * fold-const.c (fold_comparison): Use it to extract the low
2102 part of the POINTER_PLUS_EXPR offset.
2104 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2106 Fix clearing ZERO_REG
2107 * config/avr/avr.md (cc): Add alternative "ldi".
2108 (movqi_insn): Use it in cc attribute.
2109 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2110 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2111 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2113 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2115 * configure: Regenerate.
2117 2012-01-04 Richard Guenther <rguenther@suse.de>
2119 PR tree-optimization/49651
2120 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2121 (var_can_have_subvars): Use it.
2122 (get_constraint_for_1): Only consider subfields if there can be any.
2124 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2127 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2128 to its new canonical_cselib_val and the cselib_val was in
2129 first_containing_mem chain, but the canonical_cselib_val was not,
2130 add the latter into the chain.
2131 (cselib_invalidate_mem): Compare canonical_cselib_val of
2132 addr_list chain elt with v.
2135 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2136 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2138 (output_macinfo_op): Don't ggc_strdup fd->filename.
2139 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2140 then ggc_strdup it. Don't free inc->info or cur->info.
2141 (output_macinfo): Don't free ref->info or file->info.
2143 2012-01-03 Ira Rosen <irar@il.ibm.com>
2145 PR tree-optimization/51269
2146 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2147 first_niters a pointer.
2148 (slpeel_tree_peel_loop_to_edge): Likewise.
2149 (vect_do_peeling_for_loop_bound): Update call to
2150 slpeel_tree_peel_loop_to_edge.
2151 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2152 here. Remove it from the parameters list.
2153 (vect_do_peeling_for_alignment): Update calls and compute
2156 2012-01-03 Richard Guenther <rguenther@suse.de>
2158 PR tree-optimization/51070
2159 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2160 Properly handle calls.
2162 2012-01-03 Richard Guenther <rguenther@suse.de>
2164 PR tree-optimization/51692
2165 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2166 the LHS of allocation stmts.
2168 2012-01-03 Olivier Hainque <hainque@adacore.com>
2170 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2172 2012-01-03 Olivier Hainque <hainque@adacore.com>
2174 * collect2.c (main): In AIX specific computations for vector
2175 insertions, use CONST_CAST2 to cast from char ** to const char **.
2177 2012-01-03 Richard Guenther <rguenther@suse.de>
2180 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2181 the context of a limbo DIE when it does not already exist.
2183 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2185 PR tree-optimization/51719
2186 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2187 but direct call is, clear direct call's lhs and don't add fallthrough
2188 edge from dcall_bb to join_bb and PHIs.
2190 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2192 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2193 the instructions emitted by the pattern.
2194 ("*TDC_insn_<mode>"): Add comment.
2196 2012-01-03 Richard Guenther <rguenther@suse.de>
2199 * fold-const.c (fold_comparison): Properly canonicalize
2200 tree offset and HOST_WIDE_INT bit position.
2202 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2204 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2205 operands for extzv pattern.
2207 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2210 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2213 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2215 * doc/invoke.texi (-flto and related options): Copy-edit.
2217 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2219 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2221 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2223 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2226 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2228 * expr.h (move_by_pieces_ninsns): Declare.
2229 * expr.c (move_by_pieces_ninsns): Make external.
2230 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2231 (mips_store_by_pieces_p): Likewise.
2232 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2233 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2234 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2235 (mips_store_by_pieces_p): Likewise.
2237 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2239 * passes.c (register_one_dump_file): Free full_name.
2241 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2242 (calculate_elim_costs_all_insns): Free offsets_at and
2243 offsets_known_at at the end and clear the pointers.
2245 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2247 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2248 this option introduced in r180739.
2250 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2253 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2254 (tmake_file target=avr): Add avr/t-multilib.
2256 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2257 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2258 * config/avr/genmultilib.awk: New file.
2259 * config/avr/t-multilib: New auto-generated file.
2260 * config/avr/multilib.h: New auto-generated file.
2261 * config/avr/t-avr (AVR_MCUS): New variable.
2262 (genopt.sh): Use it.
2263 (s-mlib): Depend on t-multilib.
2264 (t-multilib, multilib.h): New dependencies.
2265 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2266 (MULTILIB_OPTIONS): Remove.
2267 (MULTILIB_MATCHES): Remove.
2268 (MULTILIB_DIRNAMES): Remove.
2269 (MULTILIB_EXCEPTIONS): Remove:
2270 * config/avr/genopt.sh: Don't use hard coded file name;
2271 pass AVR_MCUS from t-avr instead.
2273 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2275 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2277 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2279 Implement light-weight DImode support.
2280 * config/avr/avr-dimode.md: New file.
2281 * config/avr/avr.md: Include it.
2282 (adjust_len): Add plus64, compare64.
2283 (HIDI): Remove code iterator.
2284 (code_stdname): New code attribute.
2285 (rotx, rotsmode): Remove DI.
2286 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2288 * config/avr/avr-protos.h (avr_have_dimode): New.
2289 (avr_out_plus64, avr_out_compare64): New.
2290 * config/avr/avr.c (avr_out_compare): Handle DImode.
2291 (avr_have_dimode): New variable definition and initialization.
2292 (avr_out_compare64, avr_out_plus64): New functions.
2293 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2294 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2295 (avr_compare_pattern): Skip DImode comparisons.
2297 2012-01-02 Revital Eres <revital.eres@linaro.org>
2299 * ddg.c (def_has_ccmode_p): New function.
2300 (add_cross_iteration_register_deps,
2301 create_ddg_dep_from_intra_loop_link): Call it.
2303 2012-01-02 Richard Guenther <rguenther@suse.de>
2306 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2308 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2310 * gcc.c (process_command): Update copyright notice dates.
2311 * gcov.c (print_version): Likewise.
2312 * gcov-dump.c (print_version): Likewise.
2313 * mips-tfile.c (main): Likewise.
2314 * mips-tdump.c (main): Likewise.
2316 2012-01-01 Ira Rosen <irar@il.ibm.com>
2318 PR tree-optimization/51704
2319 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2320 a use is inside the basic block or loop before accessing its vect info.
2322 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2324 PR rtl-optimization/51069
2325 * cfgloopmanip.c (remove_path): Removing path making irreducible
2326 region unconditional makes BB part of the region.
2328 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2330 PR tree-optimization/51683
2331 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2332 calls with side-effects.
2333 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2335 Copyright (C) 2012 Free Software Foundation, Inc.
2337 Copying and distribution of this file, with or without modification,
2338 are permitted in any medium without royalty provided the copyright
2339 notice and this notice are preserved.