1 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4 having the same mode as previous compare.
6 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
8 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
9 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
10 (nonlocal_goto_internal): Likewise.
11 (nonlocal_goto): Emit a use and an indirect jump directly.
13 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
16 * doc/extend.texi : Update comments for __atomic_compare_exchange and
17 __atomic_{is,always}_lock_free.
19 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
22 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
23 negative constant address for x32.
25 2012-02-10 Richard Henderson <rth@redhat.com>
27 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
28 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
29 for GIMPLE_TRANSACTION. Tidy if's into a switch.
31 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
32 Ira Rosen <irar@il.ibm.com>
34 PR tree-optimization/50031
35 * targhooks.c (default_builtin_vectorization_cost): Handle
37 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
38 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
39 all types of reduction and pattern statements.
40 (vect_estimate_min_profitable_iters): Likewise.
41 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
42 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
43 for explicit realigns.
44 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
45 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
47 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
48 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
49 vec_perm for VSX and handle vec_promote_demote.
51 2012-02-10 Jakub Jelinek <jakub@redhat.com>
54 * builtins.c (fold_builtin_atomic_always_lock_free,
55 expand_builtin_atomic_always_lock_free,
56 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
57 Return and/or test boolean_true_node/boolean_false_node instead of
58 integer_one_node/integer_zero_node.
60 2012-02-10 Jan Hubicka <jh@suse.cz>
63 * predict.c (predict_paths_for_bb): Prevent looping.
64 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
66 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
68 * config/arm/arm.c (output_move_double): In one case properly
69 count number of instructions that will be emitted.
71 2012-02-10 Richard Guenther <rguenther@suse.de>
74 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
76 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
79 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
81 2012-02-09 Jakub Jelinek <jakub@redhat.com>
84 * var-tracking.c (emit_note_insn_var_location): If
85 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
86 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
87 non-NOTE_DURING_CALL_P insn.
89 2012-02-09 Bin Cheng <bin.cheng@arm.com>
92 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
94 2012-02-08 Magnus Granberg <zorry@gentoo.org>
97 * gcc.c (switch_matches) Support switches with separated form,
100 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
102 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
105 * config/avr/avr.c (avr_addr_t): New typedef.
106 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
107 (avr_init_expanders): Initialize it.
108 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
110 (expand_epilogue): Ditto.
111 (avr_print_operand): Ditto.
112 (avr_file_start): Ditto.
113 (avr_emit_movmemhi): Ditto.
115 2012-02-08 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/46886
118 * tree-flow.h (do_while_loop_p): Declare.
119 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
120 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
122 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
124 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
125 always succeed for integers larger than a native word.
127 2012-02-08 Richard Guenther <rguenther@suse.de>
129 PR rtl-optimization/52170
130 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
131 properly handle integer vector modes.
133 2012-02-08 Jakub Jelinek <jakub@redhat.com>
135 PR gcov-profile/52150
136 * coverage.c: Include target.h.
137 (build_var): Call targetm.strip_name_encoding on the assembler name.
138 Change one _ into . or $ if the target allows it.
139 * Makefile.in (coverage.o): Depend on $(TARGET_H).
141 PR rtl-optimization/52139
142 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
143 is a BARRIER after emit_insn_after_noloc, move BB_END
144 to the last non-BARRIER insn before it.
146 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
149 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
150 (mips_gimplify_va_arg_expr): Call it instead of
151 std_gimplify_va_arg_expr.
153 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
155 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
156 message for -mno-pointers-to-nested-function.
158 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
161 * expr.c (get_inner_reference): If there is an offset, add a negative
162 bit position to it (if any).
164 2012-02-07 Jakub Jelinek <jakub@redhat.com>
166 PR rtl-optimization/52060
167 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
168 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
169 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
170 and/or i0src_copy2 when needed.
172 2012-02-07 Jakub Jelinek <jakub@redhat.com>
174 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
175 or LTOPLUGINSONAME if have_c.
177 * config/freebsd-spec.h: Add comment about what macros can be defined
179 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
180 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
183 2012-02-07 Richard Guenther <rguenther@suse.de>
185 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
186 newline in -alias dumps.
188 2012-02-07 Kai Tietz <ktietz@redhat.com>
189 Dave Korn <dave.korn.cygwin@gmail.com>
192 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
193 Take care that typinfo gets dllexport-attribute.
195 2012-02-07 Jakub Jelinek <jakub@redhat.com>
198 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
199 if modifier < EXPAND_SUM call force_operand on the result.
201 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
203 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
204 adding __forwarder_dst__ prefix if a forwarder_section attribute is
206 (epiphany_function_type): Replace types for specific interrupts with
207 EPIPHANY_FUNCTION_INTERRUPT.
208 (EPIPHANY_INTERRUPT_P): Update.
209 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
211 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
212 <disinterrupt>: Affects type identity.
213 (epiphany_handle_interrupt_attribute): Handle variable number of
215 (epiphany_compute_function_type): Update for new
216 epiphany_function_type definition.
217 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
218 handlers with a longcall forwarder.
219 (epiphany_start_function): Handle multiple interrupt arguments and/or
220 forwarder_section attribute.
222 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
225 2012-02-07 Alan Modra <amodra@gmail.com>
228 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
231 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
233 PR tree-optimization/50969
234 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
235 use vec_perm rather than vector_stmt.
236 (vect_model_load_cost): Likewise.
237 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
238 vec_perm to be the same as other vector statements.
239 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
240 cost of vec_perm for TARGET_VSX.
242 2012-02-06 Richard Guenther <rguenther@suse.de>
244 PR tree-optimization/52115
245 * tree-sra.c (access_has_replacements_p): New function.
246 (sra_modify_assign): Use it to decide whether a use is uninitialized.
248 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
251 * trans-mem.c (expand_call_tm): Add an assertion.
252 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
255 2012-02-06 Richard Guenther <rguenther@suse.de>
257 PR tree-optimization/50955
258 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
259 raise cost of expressions that replace an address with an
260 expression based on a different pointer.
262 2012-02-06 Jakub Jelinek <jakub@redhat.com>
265 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
266 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
268 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
271 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
272 -Weffc++ and specify guidelines come from second edition.
274 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
276 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
277 (sibcall_value_multiple_internal, call_split, call_internal_direct)
278 (call_direct_split, call_value_split, call_value_internal_direct)
279 (call_value_direct_split, call_value_multiple_split): Use jal and
280 jal_macro attributes.
282 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
284 * reload1.c (reload_regs_reach_end_p): Replace with...
285 (reload_reg_rtx_reaches_end_p): ...this function.
286 (new_spill_reg_store): Update commentary.
287 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
288 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
289 before setting new_spill_reg_store.
290 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
291 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
292 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
293 for non-spill reload registers.
295 2012-02-05 Ira Rosen <irar@il.ibm.com>
297 PR tree-optimization/52091
298 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
299 (vect_is_simple_use_1): Likewise.
300 * tree-vect-loop.c (vectorizable_reduction): Update calls
301 to vect_is_simple_use_1 and vect_is_simple_use.
302 (vectorizable_live_operation): Likewise.
303 * tree-vect-patterns.c (widened_name_p,
304 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
305 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
306 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
307 vectorizable_shift,vectorizable_operation, vectorizable_store,
308 vectorizable_load): Likewise.
309 (vect_is_simple_cond): Add an argument, pass it to
310 vect_is_simple_use_1.
311 (vectorizable_condition): Update calls to vect_is_simple_cond,
313 (vect_is_simple_use): Add an argument, the statement in which
314 OPERAND is used. Check that if OPERAND's def stmt is a double
315 reduction phi node, the use is a phi node too.
316 (vect_is_simple_use_1): Add an argument, pass it to
318 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
319 to vect_is_simple_use.
321 2012-02-04 Jakub Jelinek <jakub@redhat.com>
323 PR rtl-optimization/52095
324 * modulo-sched.c (dump_insn_locator): New function.
325 (loop_canon_p, sms_schedule): Use it.
327 PR rtl-optimization/52113
328 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
329 even for decomposable shift/zext insns.
331 2012-02-03 Jakub Jelinek <jakub@redhat.com>
332 Zdenek Dvorak <ook@ucw.cz>
334 PR rtl-optimization/52092
335 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
336 on get_iv_value result.
338 2012-02-02 Andrew Pinski <apinski@cavium.com>
342 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
344 2012-02-02 Jakub Jelinek <jakub@redhat.com>
347 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
349 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
351 PR rtl-optimization/49800
352 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
353 (sched_finish): Call regstat_free_n_sets_and_refs.
355 2012-02-02 Jia Liu <proljc@gmail.com>
357 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
360 2012-02-02 Jan Hubicka <jh@suse.cz>
361 Tom de Vries <tom@codesourcery.com>
364 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
365 * varpool.c (varpool_analyze_pending_decls): Likewise.
367 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
368 Jayant R Sonar <jayant.sonar@kpitcummins.com>
370 * config.gcc: Add cr16-* support.
372 * doc/extend.texi: Document cr16 extensions.
373 * doc/install.texi: Document cr16 install.
374 * doc/invoke.texi: Document cr16 options.
375 * doc/md.texi: Document cr16 constraints.
377 * common/config/cr16/cr16-common.c: New file.
378 * config/cr16/cr16.c: New file.
379 * config/cr16/cr16.h: New file.
380 * config/cr16/cr16.md: New file.
381 * config/cr16/cr16.opt: New file.
382 * config/cr16/cr16-protos.h: New file.
383 * config/cr16/predicates.md: New file.
384 * config/cr16/constraints.md: New file.
385 * config/cr16/t-cr16: New file.
387 2012-02-02 Jakub Jelinek <jakub@redhat.com>
390 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
391 that operands[2] is either immediate, or q_regs_operand.
393 PR tree-optimization/52073
394 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
395 a pattern stmt for pattern uses, ignore uses outside of the loop.
397 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
399 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
400 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
401 (OUT_AS1, OUT_AS2): Remove.
403 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
405 PR rtl-optimization/51374
406 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
407 to cross other volatile_refs_p insns.
409 2012-02-01 Richard Guenther <rguenther@suse.de>
411 * doc/invoke.texi (fno-inline): Clarify documentation.
412 (finline-small-functions): Likewise.
413 (finline-functions): Likewise.
414 * common.opt (finline): Adjust comment and documentation.
415 (finline-small-functions): Clarify documentation.
416 (finline-functions): Likewise.
417 (finline-functions-called-once): Likewise.
419 2012-02-01 Tristan Gingold <gingold@adacore.com>
421 * c-typeck.c (composite_type): Keep mode for pointers.
423 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
425 * function.h (regno_reg_rtx): Adjust comment.
426 * reginfo.c (init_reg_modes_target): Only use the previous mode
427 if it fits within one register. Remove MIPS comment.
429 2012-01-31 Jakub Jelinek <jakub@redhat.com>
432 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
434 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
436 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
439 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
441 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
443 2012-01-31 Jakub Jelinek <jakub@redhat.com>
448 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
450 2012-01-31 Richard Guenther <rguenther@suse.de>
452 PR tree-optimization/51528
453 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
456 2012-01-31 Jakub Jelinek <jakub@redhat.com>
461 * ree.c (add_removable_extension): Change def_map argument
462 to unsigned *, store in def_map 1 + offset into *insn_list vector
463 instead of pointers into the vector.
464 (find_removable_extensions): Adjust caller.
466 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
468 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
469 Transform all "* quoted-c-code" to { c-code }.
470 Remove redundant test for "optimize" in combine patterns.
471 Move (include "avr-dimode.md") to end of file.
473 2012-01-30 Bin Cheng <bin.cheng@arm.com>
476 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
477 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
479 2012-01-30 Richard Guenther <rguenther@suse.de>
481 PR tree-optimization/52028
482 * tree-loop-distribution.c (ldist_gen): Properly update
485 2012-01-30 Jakub Jelinek <jakub@redhat.com>
488 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
489 set_cur_line_info_table if not emitting debug info.
491 PR tree-optimization/52046
492 * tree-vect-patterns.c (check_bool_pattern): Give up if
493 a comparison could throw.
496 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
498 2012-01-30 Richard Guenther <rguenther@suse.de>
500 PR tree-optimization/52045
501 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
502 SSA form if cfgcleanup did anything.
504 2012-01-30 Richard Guenther <rguenther@suse.de>
506 PR tree-optimization/52045
507 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
508 before computing final todo.
510 2012-01-30 Richard Guenther <rguenther@suse.de>
512 PR tree-optimization/51528
513 * tree-sra.c (sra_modify_assign): Re-factor in preparation
516 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
518 * df-problems.c (df_kill_notes): Check that the use refers
519 to the note under examination.
521 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
524 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
525 parameter and use short-lived pseudos.
526 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
527 (sparc_expand_vector_init): Const-ify local variables and adjust
528 calls to above functions.
530 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
532 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
534 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
536 * doc/invoke.texi: Make usage of "compile time" and
537 "run time"/"runtime" consistent throughout the file.
539 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
541 * config/alpha/alpha.c (alpha_option_override): Default to
542 full IEEE compliance mode for Go language.
544 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
546 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
547 (LINK_SSP_SPEC): Define.
549 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
552 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
555 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
557 * doc/invoke.texi: Correct hyphenation of "floating point",
558 "double precision", and related terminology throughout the file.
560 2012-01-28 Jakub Jelinek <jakub@redhat.com>
563 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
564 arm_general_register_operand predicate for operand 2 instead of
567 2012-01-27 Ian Lance Taylor <iant@google.com>
570 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
571 * builtins.c (expand_builtin_init_trampoline): Add onstack
572 parameter. Change caller.
573 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
574 * tree.c (build_common_builtin_nodes): Declare
575 __builtin_init_heap_trampoline.
577 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
579 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
580 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
581 * config/avr/avr.c: Ditto.
582 (avr_regnames): Remove because unused.
583 * config/avr/avr.md (*cpse.ne): New peephole.
584 (*cpse.eq): New peephole from former cpse peepholes.
586 2012-01-27 Michael Eager <eager@eagercon.com>
588 * config/microblaze.c (microblaze_emit_compare): Correct
589 test after pcmp instruction.
591 2012-01-27 Richard Guenther <rguenther@suse.de>
593 PR tree-optimization/52020
594 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
596 2012-01-27 Richard Guenther <rguenther@suse.de>
598 * ipa-pure-const.c (check_stmt): Clobbers do not make a
599 function non-const/pure.
601 2012-01-27 Richard Guenther <rguenther@suse.de>
603 PR tree-optimization/50444
604 * tree-sra.c (build_ref_for_offset): Properly adjust the
605 MEM_REF type for unaligned accesses.
607 2012-01-27 Richard Guenther <rguenther@suse.de>
609 PR tree-optimization/50444
610 * expr.c (mem_ref_refers_to_non_mem_p): New function.
611 (expand_assignment): Use it. Properly handle misaligned
612 bases when expanding stores to component references.
613 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
616 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
619 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
620 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
621 * tree-data-ref.c (find_data_references_in_loop): Make static.
622 (compute_all_dependences): Change return type to bool. Bail out
623 for too many datarefs in a loop. Move the hunk resetting the data
624 dependences vector from ...
625 (compute_data_dependences_for_loop): ... here. Account for
626 compute_all_dependences returning false.
627 (compute_data_dependences_for_bb): Likewise.
628 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
629 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
631 2012-01-27 Richard Guenther <rguenther@suse.de>
634 * expr.c (store_field): Use the alias-set of the scratch memory
637 2012-01-27 Tom de Vries <tom@codesourcery.com>
639 PR tree-optimization/51990
640 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
642 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
644 2012-01-27 Jakub Jelinek <jakub@redhat.com>
647 * var-tracking.c (reverse_op): Don't add any reverse operation
648 if V already has any constant locations.
650 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
652 * doc/invoke.texi: Correct usage of "command line" (noun)
653 vs "command-line" (adjective) throughout.
655 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
657 * doc/invoke.texi (Language Independent Options): Move
658 -Wcoverage-mismatch blurb from here....
659 (Warning Options): ...to here.
661 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
663 * config/rs6000/rs6000.c (rs6000_option_override_internal):
664 Set rs6000_always_hint to false for 476.
666 2012-01-27 Matthias Klose <doko@ubuntu.com>
668 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
670 * incpath.c (add_standard_paths): Likewise.
672 2012-01-27 Richard Henderson <rth@redhat.com>
674 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
675 * config/m68k/sync.md (atomic_test_and_set): Rename from
676 sync_test_and_setqi and adjust the operands.
677 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
678 and unconditionally enable.
680 2012-01-27 Richard Henderson <rth@redhat.com>
682 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
683 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
684 (ldstub): Rename from ldstubqi.
685 (ldstub<I24MODE>): Remove.
687 2012-01-27 Richard Henderson <rth@redhat.com>
689 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
690 * c-cppbuiltin.c (cpp_atomic_builtins): Define
691 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
692 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
693 * doc/tm.texi: Rebuild.
695 2012-01-27 Richard Henderson <rth@redhat.com>
697 * optabs.c (gen_atomic_test_and_set): Remove default.
698 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
700 2012-01-26 Jakub Jelinek <jakub@redhat.com>
702 PR rtl-optimization/51978
703 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
704 (combine_reaching_defs): Likewise.
705 (struct re_info): Remove.
706 (add_removable_extension): Remove x and data arguments,
707 add insn, insn_list and def_map. Use the arguments directly
708 instead of using struct re_info.
709 (find_removable_extensions): Don't call add_removable_extension
710 through note_stores, instead just call it with single_set
712 (find_and_remove_re): Pass curr_cand->expr instead of
713 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
715 2012-01-26 Michael Matz <matz@suse.de>
717 PR tree-optimization/46590
718 * cfgexpand.c: Revert last change (r183305).
719 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
721 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
722 checking for emptiness.
724 2012-01-26 Jakub Jelinek <jakub@redhat.com>
727 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
728 non-addressable non-BLKmode base correctly.
730 2012-01-26 Michael Matz <matz@suse.de>
732 PR tree-optimization/48794
733 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
734 regions referenced from RESX/EH_DISPATCH.
736 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
738 * config/s390/s390.h: Make BRANCH_COST an option.
739 * config/s390/s390.opt: New option -mbranch-cost.
741 2012-01-26 Richard Henderson <rth@redhat.com>
743 Revert 2012-01-24 change:
744 * trans-mem.c (requires_barrier): Do not instrument thread local
745 variables and emit save/restore for them.
747 2012-01-25 Jakub Jelinek <jakub@redhat.com>
750 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
753 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
755 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
758 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
761 Rename __pgm to __flash.
762 Rename __pgm1 to __flash1.
763 Rename __pgm2 to __flash2.
764 Rename __pgm3 to __flash3.
765 Rename __pgm4 to __flash4.
766 Rename __pgm5 to __flash5.
767 Rename __pgmx to __memx.
768 * doc/extend.texi (AVR Named Address Spaces)
769 Rename address space names as indicated above.
770 * config/avr/avr.c (avr_addrspace): Ditto.
772 * config/avr/avr-protos.h
773 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
774 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
775 * config/avr/predicates.md: Ditto.
776 * config/avr/avr.c Ditto, and
777 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
778 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
780 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
781 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
782 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
783 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
784 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
785 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
786 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
787 * config/avr/avr.c: Ditto.
788 * config/avr/avr.md: Ditto.
790 2012-01-25 Jason Merrill <jason@redhat.com>
793 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
795 2012-01-25 Jakub Jelinek <jakub@redhat.com>
797 PR tree-optimization/51987
798 * tree-data-ref.c (get_references_in_stmt): Handle references in
799 non-volatile GIMPLE_ASM.
801 2012-01-25 Richard Guenther <rguenther@suse.de>
803 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
804 bases are dereferenced.
806 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
808 PR rtl-optimization/48374
809 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
811 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
813 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
814 compute_data_dependences_for_loop returns false.
815 * tree-parloops.c (loop_parallel_p): Likewise.
817 2012-01-25 Richard Guenther <rguenther@suse.de>
819 * tree.h (get_pointer_alignment_1): Declare.
820 * builtins.c (get_pointer_alignment_1): New function.
821 (get_pointer_alignment): Use it.
823 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
825 PR rtl-optimization/48308
826 * combine.c (enum undo_kind): Add UNDO_LINKS.
827 (struct undo): Add member l to other_contents and where.
828 (do_SUBST_LINK): New.
830 (try_combine): Handle LOG_LINKS for the dummy i1 case.
831 (undo_all): Handle UNDO_LINKS.
833 2012-01-25 Richard Henderson <rth@redhat.com>
835 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
838 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
840 * optabs.c (gen_atomic_test_and_set): Use each argument.
842 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
844 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
845 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
846 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
847 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
848 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
849 TARGET_PAIRED_SINGLE_FLOAT.
851 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
853 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
854 (in_struct, return_val): Remove MEM documentation.
855 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
856 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
857 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
859 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
860 * cfgexpand.c (add_alias_set_conflicts): Likewise.
861 * expr.c (store_field): Likewise.
862 * function.c (assign_stack_temp_for_type): Likewise.
863 * ifcvt.c (noce_try_cmove_arith): Likewise.
864 * reload1.c (reload): Likewise.
865 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
866 (alpha_set_memflags): Likewise.
867 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
869 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
871 * rtl.h (true_dependence, canon_true_dependence): Remove varies
873 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
874 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
875 (true_dependence_1, true_dependence, canon_true_dependence): Remove
877 * cselib.c (cselib_rtx_varies_p): Delete.
878 (cselib_invalidate_mem): Update call to canon_true_dependence.
879 * dse.c (record_store, check_mem_read_rtx): Likewise.
880 (scan_reads_nospill): Likewise.
881 * cse.c (check_dependence): Likewise.
882 (cse_rtx_varies_p): Delete.
883 * expr.c (safe_from_p): Update call to true_dependence.
884 * ira.c (validate_equiv_mem_from_store): Likewise.
885 (memref_referenced_p): Likewise.
886 * postreload-gcse.c (find_mem_conflicts): Likewise.
887 * sched-deps.c (sched_analyze_2): Likewise.
888 * store-motion.c (load_kills_store): Likewise.
889 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
890 * gcse.c (mems_conflict_for_gcse_p): Likewise.
891 (compute_transp): Update call to canon_true_dependence.
893 2012-01-25 Richard Henderson <rth@redhat.com>
895 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
896 (maybe_emit_atomic_test_and_set): New.
897 (expand_sync_lock_test_and_set): Use it.
898 (expand_atomic_test_and_set): Likewise.
899 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
900 the implementation; clarify implementation defined details.
901 * doc/md.texi (atomic_test_and_set): Document.
903 2012-01-25 Richard Henderson <rth@redhat.com>
905 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
907 2012-01-25 Richard Henderson <rth@redhat.com>
910 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
911 to effect no-op split.
913 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
916 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
917 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
918 (BT_FN_VOID_PTR_INT_SIZE): New.
919 (BT_FN_UINT_UINT_VAR): Remove.
920 (BT_FN_UINT32_UINT32_VAR): New.
921 (BT_FN_DOUBLE_VPTR): Remove.
922 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
924 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
925 (_ITM_changeTransactionMode): Same.
926 (_ITM_memmoveRtWt): Change return type to void.
927 (_ITM_memcpyRtWt): Same.
928 (_ITM_memsetW): Same.
929 (_ITM_RaRD): Change types to double.
934 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
936 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
937 Patrick Marlier <patrick.marlier@gmail.com>
939 * trans-mem.c (requires_barrier): Do not instrument thread local
940 variables and emit save/restore for them.
942 2012-01-24 Jason Merrill <jason@redhat.com>
945 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
946 output static aliases.
948 2012-01-24 Jakub Jelinek <jakub@redhat.com>
951 * common.opt (-pie, -shared, pie, shared): Change from Common to
953 * gcc.c (display_help): Display help for -pie and -shared.
955 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
958 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
959 Remove note on size/offset limitation.
960 (AVR Variable Attributes): Add example how to read data located
961 with progmem. Refer to named address spaces.
962 * doc/invoke.texi (AVR Options): Fix typo.
964 2012-01-24 Richard Guenther <rguenther@suse.de>
966 Forward-port to trunk
967 2010-09-21 Jakub Jelinek <jakub@redhat.com>
970 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
971 op0 isn't sufficiently aligned and there is movmisalignM
972 insn for mode, use it to load op0 into a temporary register.
974 2012-01-24 Jakub Jelinek <jakub@redhat.com>
977 * target.def (const_not_ok_for_debug_p): New hook.
978 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
980 * doc/tm.texi: Regenerated.
981 * dwarf2out.c (const_ok_for_output_1): If
982 targetm.const_not_ok_for_debug_p returns true, fail.
983 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
985 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
987 2012-01-23 Kai Tietz <ktietz@redhat.com>
990 * config/i386/predicates.md (symbolic_operand): Allow
991 UNSPEC_PCREL as PIC expression for lea.
992 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
993 * config/i386/i386.c (ix86_delegitimize_address): Handle
994 UNSPEC_PCREL for none-MEM, too.
996 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
998 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
999 (ipa_tm_create_version_alias): Same.
1001 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1004 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1005 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1007 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1008 Patrick Marlier <patrick.marlier@gmail.com>
1009 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1012 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1013 simple_object_start_read.
1015 2012-01-23 Richard Guenther <rguenther@suse.de>
1018 PR tree-optimization/51895
1019 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1020 parameter decomposition into BLKmode components.
1022 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1024 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1025 fake variables for restrict-qualified pointers whose pointed-to type
1026 contains a placeholder.
1028 2012-01-23 Richard Guenther <rguenther@suse.de>
1030 PR tree-optimization/51949
1031 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1033 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1035 PR rtl-optimization/51933
1036 * ree.c (transform_ifelse): Return true right away if dstreg is
1037 already wider or equal to cand->mode.
1038 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1039 (make_defs_and_copies_lists): Remove defs_list and copies_list
1040 arguments, add state argument, just truncate state->work_list
1041 instead of always allocating and freeing the vector. Assert that
1042 get_defs succeeds instead of returning 2. Changed return type to bool.
1043 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1044 have ext_src_mode, see if it has been modified already with the
1045 right kind of extension and has been extended before from the
1046 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1047 just return true. Remember the original mode in state->modified array.
1048 (combine_reaching_defs): Add state argument. Don't allocate and
1049 free here def_list, copied_list and vec vectors, instead just
1050 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1051 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1052 Add state variable, clear vectors in it, initialize state.modified
1053 if needed. Free all the vectors at the end and state.modified too.
1054 Don't skip a candidate if the extension expression has been modified.
1056 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1059 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1060 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1061 (extra_options) interix.opt -> i386/interix.opt"
1062 (extra_objs):Add winnt-stubs.o
1063 * configure.ac: Add interix to target_os .comm on PE check.
1064 * configure: Regenerate.
1065 * config/interix3.h: Delete and move bits to..
1066 * config/interix.h: Delete and move bits to..
1067 * config/i386/i386-interix3.h: Delete and move bits to..
1068 * config/i386/i386-interix.h: ..here.
1069 (TARGET_CPU_DEFAULT): Remove redefinition.
1070 (TARGET_ASM_CONSTRUCTOR): Undefine.
1071 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1072 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1073 (PTRDIFF_TYPE): Define.
1074 (LONG_DOUBLE_TYPE_SIZE): Define.
1075 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1076 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1077 (TARGET_SECTION_TYPE_FLAGS): Define.
1078 (ASM_DECLARE_FUNCTION_NAME): Define.
1079 (ASM_OUTPUT_EXTERNAL): Define.
1080 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1081 (ASM_OUTPUT_ALIGNED_BSS): Define.
1082 (PCC_BITFIELD_TYPE_MATTERS): Define.
1083 (USE_CONST_SECTION): Define.
1084 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1085 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1086 (SUPPORTS_ONE_ONLY): Remove.
1087 (I386_PE_STRIP_ENCODING): Define.
1088 * config/interix.opt: Delete and move bits to..
1089 * config/i386/interix.opt: ..here. New.
1090 (mpe-aligned-commons): Add.
1091 * config/i386/t-interix: Add copyright header.
1092 (winnt-stubs.o): Add rule.
1094 2012-01-22 Jason Merrill <jason@redhat.com>
1097 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1098 for extra name aliases.
1100 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1102 PR rtl-optimization/51924
1103 * ree.c (combine_set_extension): Improve debugging message.
1104 (combine_reaching_defs): Likewise.
1105 (get_defs): Rename confusingly named variable.
1106 (find_and_remove_re): Skip a candidate if the extension expression has
1109 2012-01-21 Robert Millan <rmh@gnu.org>
1110 Gerald Pfeifer <gerald@pfeifer.com>
1112 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1113 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1115 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1117 PR tree-optimization/51914
1118 * tree-vect-stmts.c (vectorizable_conversion): For
1119 cvt_type && modifier == WIDEN, put temporary with cvt_type
1120 at the beginning of vec_dsts and set vec_dest to temporary
1123 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1125 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1127 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1129 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1130 * config/rs6000/rs6000.c: Likewise.
1132 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1135 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1136 output_move_double on a copy of operands array.
1138 2012-01-20 Cary Coutant <ccoutant@google.com>
1139 Dodji Seketeli <dodji@redhat.com>
1142 * dwarf2out.c (copy_declaration_context): Return ref to parent
1143 of declaration DIE, if necessary.
1144 (remove_child_or_replace_with_skeleton): Add new parameter; update
1145 caller. Place skeleton DIE under parent DIE of original declaration.
1146 Move call to copy_declaration_context to here ...
1147 (break_out_comdat_types): ... from here.
1149 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1151 PR rtl-optimization/51856
1152 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1155 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1158 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1159 hints for neon loads and stores.
1161 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1165 * doc/extend.texi (Named Address Spaces): Split into subsections.
1166 (AVR Named Address Spaces): New subsection.
1167 (M32C Named Address Spaces): New subsection.
1168 (RL78 Named Address Spaces): New subsection.
1169 (SPU Named Address Spaces): New subsection.
1170 (Variable Attributes): New anchor "AVR Variable Attributes".
1171 (AVR Variable Attributes): Rewrite and avoid wording
1172 "address space" in this context.
1173 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1174 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1175 (AVR Built-in Macros): New subsubsection therein.
1176 * doc/md.texi (AVR constraints): Remove "C04", "R".
1178 2012-01-20 Richard Guenther <rguenther@suse.de>
1180 PR tree-optimization/51903
1181 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1182 when removing stmts.
1184 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1187 * config/arm/arm.c (arm_load_pic_register): Use
1188 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1189 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1190 (arm_pic_static_addr): Likewise.
1191 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1192 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1193 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1194 (pic_load_addr_unified): New.
1196 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1199 * function.c (instantiate_virtual_regs_in_insn): Use
1200 delete_insn_and_edges when removing a wrong asm insn.
1202 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1204 PR rtl-optimization/40761
1205 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1206 Add new member loop_num.
1207 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1208 (ira_build): Remove the parameter.
1210 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1211 (ira.c): Do not build CFG loops for one region allocation. Remove
1212 argument from ira_build call.
1214 * ira-build.c (init_loop_tree_node): New function.
1215 (create_loop_tree_nodes): Use it. Separate the case when CFG
1216 loops are not built.
1217 (more_one_region_p): Check current_loops.
1218 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1220 (add_loop_to_tree): Process loop equal to NULL too.
1221 (form_loop_tree): Separate the case when CFG loops are not built.
1222 Use explicitly number for the root.
1223 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1225 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1226 instead of loop->num.
1227 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1228 (mark_all_loops_for_removal): Ditto.
1229 (remove_unnecessary_regions): Separate the case when CFG loops
1231 (ira_build): Remove the parameter. Use explicit number of regions
1232 when CFG loops are not built.
1234 * ira-color.c (print_loop_title): Separate the case for the root node.
1235 Use loop_num instead of loop->num.
1236 (move_spill_restore): Use loop_num instead of loop->num.
1238 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1239 (change_loop): Ditto.
1240 (change_loop): Use loop_num instead of loop->num.
1242 * ira-lives.c (process_bb_node_lives): Ditto.
1244 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1246 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1248 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1251 * tree-mudflap.c (mf_artificial): New function.
1252 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1253 mx_register_decls, mudflap_enqueue_decl): Use it.
1256 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1257 numbers in the insn pattern.
1259 2012-01-19 Michael Matz <matz@suse.de>
1261 PR tree-optimization/46590
1262 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1263 use it in remembering which conflicts we already created.
1264 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1267 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1270 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1271 (merge_and_complain): Same.
1273 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1276 * config/initfini-array.h: Guard content of the header
1277 with #ifdef HAVE_INITFINI_ARRAY.
1278 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1279 Add initfini-array.h to tm_file here.
1280 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1281 * config.gcc: Don't add initfini-array.h to tm_file here.
1282 * configure: Regenerated.
1284 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1286 PR rtl-optimization/51505
1287 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1288 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1289 (df_note_bb_compute): Update the call to df_kill_notes.
1291 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1293 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1295 2012-01-18 Richard Guenther <rguenther@suse.de>
1297 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1298 of conversions to void *.
1300 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1301 Richard Sandiford <rdsandiford@googlemail.com>
1305 * optabs.h (simplify_expand_binop): Declare.
1306 * optabs.c (simplify_expand_binop): Make global.
1307 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1308 endian targets if the source cannot be exactly covered by word
1311 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1314 * hard-reg-set.h (struct hard_reg_set_container): New type.
1315 * target.h (struct hard_reg_set_container): Forward declare.
1316 * target.def (set_up_by_prologue): New target hook.
1317 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1318 * doc/tm.texi: Regenerated.
1319 * function.c (thread_prologue_and_epilogue_insns): Change
1320 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1321 Call targetm.set_up_by_prologue on it.
1322 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1323 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1325 2012-01-17 Nick Clifton <nickc@redhat.com>
1327 * config/rx/rx.c (rx_can_use_simple_return): New function.
1328 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1329 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1331 2012-01-17 Richard Guenther <rguenther@suse.de>
1334 * expr.c (expand_assignment): Take address-space information
1335 from the address operand of MEM_REF and TARGET_MEM_REF.
1336 (expand_expr_real_1): Likewise.
1338 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1340 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1341 reload dump is requested.
1343 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1346 * trans-mem.c (requires_barrier): Call may_be_aliased.
1348 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1350 PR tree-optimization/51877
1351 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1352 call arguments and fndecls compare equal, instead return false if they
1353 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1354 both SSA_NAMEs that are valueized the same, or they satisfy
1357 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1359 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1361 * configure: Regenerate.
1363 2012-01-16 Jan Hubicka <jh@suse.cz>
1367 * convert.c (convert_to_integer): Use fold_convert for
1368 converting an INTEGER_CST to integer type.
1370 2012-01-16 Jason Merrill <jason@redhat.com>
1373 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1375 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1378 * config/s390/s390.c (s390_chunkify_start): Don't skip
1379 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1380 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1381 If insn is followed by NOTE_INSN_VAR_LOCATION or
1382 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1383 Don't use location of note insns.
1385 PR tree-optimization/51865
1386 * tree-inline.c (tree_function_versioning): Call remap_decl
1387 on DECL_RESULT whenever it has VOID_TYPE_P type.
1389 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1391 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1392 for calls to locally-binding MIPS16 functions if only the return
1393 type uses float regs.
1395 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1396 Richard Sandiford <rdsandiford@googlemail.com>
1398 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1399 (SYMBOL_32_HIGH): Likewise.
1400 (mips_output_tls_reloc_directive): Declare.
1401 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1402 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1403 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1404 (mips_lo_relocs, mips_hi_relocs): Make extern.
1405 (mips16_stub_function): Move up file.
1406 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1407 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1408 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1409 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1410 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1411 (mips_get_tp): Add MIPS16 support.
1412 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1413 Generalize DTPREL and TPREL handling.
1414 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1415 Add MIPS16 TLS support.
1416 (mips_output_tls_reloc_directive): New function.
1417 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1418 * config/mips/predicates.md (symbolic_operand_with_high)
1419 (tls_reloc_operand): New predicates.
1420 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1421 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1422 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1423 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1424 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1425 (*tls_get_tp_mips16_call_<mode>): Likewise.
1427 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1429 PR rtl-optimization/51821
1430 * recog.c (peep2_find_free_register): Determine clobbered registers
1433 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1436 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1437 * config/avr/avr.c: Likewise.
1438 * config/avr/avr.h: Likewise.
1440 2012-01-13 Ian Lance Taylor <iant@google.com>
1443 * tree.h (TYPE_QUALS): Add cast to int.
1444 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1446 2012-01-13 Ian Lance Taylor <iant@google.com>
1448 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1449 comparing param_index to VEC_length result.
1451 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1453 * c-decl.c: Do not include tree-mudflap.h
1454 * tree-optimize.c: Likewise.
1455 * Makefile.in: Update dependencies.
1457 2012-01-13 Richard Guenther <rguenther@suse.de>
1460 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1461 variable-sized result always use RSO.
1463 2012-01-12 DJ Delorie <dj@redhat.com>
1465 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1466 pointer type, not just the default pointer type.
1468 2012-01-09 Richard Henderson <rth@redhat.com>
1469 Denis Chertykov <chertykov@gmail.com>
1472 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1473 * config/avr/avr.c (avr_can_eliminate): Simplify.
1474 (avr_initial_elimination_offset): Likewise.
1475 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1476 (expand_epilogue): Likewise.
1477 (avr_legitimize_address): Gut.
1478 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1479 (avr_hard_regno_nregs): New.
1480 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1481 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1482 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1483 add soft frame pointer.
1484 (CALL_USED_REGISTERS): Likewise.
1485 (REG_CLASS_CONTENTS): Likewise.
1486 (REGISTER_NAMES): Likewise.
1487 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1488 (HARD_FRAME_POINTER_REGNUM): New.
1489 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1490 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1491 remove the HARD_FRAME_POINTER self-elimination.
1493 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1496 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1497 DECL_EXTERNAL when checking for initializers of progmem variables.
1499 2012-01-12 Ira Rosen <irar@il.ibm.com>
1501 PR tree-optimization/51799
1502 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1503 that the last operation is a type demotion.
1505 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1507 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1508 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1510 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1513 * combine.c (distribute_notes): If i3 is a noreturn call,
1514 allow old_size to be equal to args_size and make sure the
1515 noreturn call gets REG_ARGS_SIZE note.
1516 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1517 on noreturn calls even when the delta is 0.
1519 2012-01-11 Nathan Sidwell <nathan@acm.org>
1521 * gcov.c (STRING_SIZE): Remove.
1522 (generate_results): Erase annotations for source files with no
1523 coverage information.
1525 (output_lines): Use it.
1527 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1529 * gimple.h (gimplify_body): Remove first argument.
1530 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1531 pointer set here, instead just pass DATA to walk_tree.
1532 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1533 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1534 (unvisit_body): Likewise, but with unmark_visited.
1535 (gimplify_body): Remove BODY_P argument and adjust.
1536 (gimplify_function_tree): Adjust call to gimplify_body.
1537 * omp-low.c (finalize_task_copyfn): Likewise.
1539 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1541 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1542 (build_function_type_skip_args): Delete.
1543 * tree.c (build_function_type_skip_args): Make static and add
1544 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1545 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1546 pass it to build_function_type_skip_args.
1547 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1548 (tree_function_versioning): Likewise.
1549 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1550 build_function_decl_skip_args.
1551 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1552 and pass it to build_function_decl_skip_args/tree_function_versioning.
1553 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1554 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1555 * trans-mem.c (ipa_tm_create_version): Likewise.
1556 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1557 * tree-inline.c (declare_return_variable): Remove always-true test.
1558 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1559 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1560 * ipa-split.c (split_function): Skip the return value for the split
1561 part if it doesn't return.
1563 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1565 PR tree-optimization/49642
1566 * ipa-split.c (forbidden_dominators): New variable.
1567 (check_forbidden_calls): New function.
1568 (dominated_by_forbidden): Likewise.
1569 (consider_split): Check for forbidden dominators.
1570 (execute_split_functions): Initialize and free forbidden
1571 dominators info; call check_forbidden_calls.
1573 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1575 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1577 2012-01-11 Nick Clifton <nickc@redhat.com>
1579 * config/rx/rx.md (return): Define pattern.
1581 2012-01-11 Richard Guenther <rguenther@suse.de>
1583 * doc/extend.texi (malloc attribute): Adjust according to
1586 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1587 Patrick Marlier <patrick.marlier@gmail.com>
1590 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1591 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1592 (ipa_tm_note_irrevocable): Same.
1593 (ipa_tm_scan_irr_block): Same.
1594 (ipa_tm_decrement_clone_counts): Same.
1595 (ipa_tm_scan_irr_function): Same.
1596 (ipa_tm_create_version_alias): Same.
1597 (ipa_tm_create_version): Same.
1598 (ipa_tm_transform_calls_redirect): Same.
1599 (ipa_tm_transform_calls): Same.
1600 (ipa_tm_transform_transaction): Same.
1601 (ipa_tm_execute): Same.
1603 2012-01-10 Richard Guenther <rguenther@suse.de>
1606 * opts.c (common_handle_option): Handle -Werror.
1608 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1610 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1613 2012-01-10 Jason Merrill <jason@redhat.com>
1615 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1618 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1620 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1621 supports R_386_TLS_GD_PLT reloc.
1622 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1623 supports R_386_TLS_LDM_PLT reloc.
1624 * configure: Regenerate.
1625 * config.in: Regenerate.
1627 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1630 Extend __pgmx semantics to linearize memory.
1631 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1632 determine if code comes inline or from libgcc.
1633 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1634 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1635 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1636 (movmemx_qi, movmemx_hi): New insns.
1637 (xload_<mode>_libgcc): Rewrite to new insn condition.
1638 (xload_<mode>): Remove insns.
1639 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1640 cases that don't satisfy avr_xload_libgcc_p().
1641 (avr_addr_space_convert): Allow converting in any direction.
1642 (avr_addr_space_subset_p): Return always true.
1643 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1644 (avr_emit_movmemhi): Ditto.
1645 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1646 (avr_out_movmem): Ditto.
1647 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1648 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1649 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1650 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1651 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1653 2012-01-10 Richard Guenther <rguenther@suse.de>
1655 PR tree-optimization/50913
1656 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1657 Require data-refs to be representable by Graphite with respect
1660 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1662 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1663 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1665 2012-01-10 Tom de Vries <tom@codesourcery.com>
1667 PR rtl-optimization/51271
1668 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1669 handling annulled branch.
1671 2012-01-10 Richard Henderson <rth@redhat.com>
1673 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1674 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1675 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1676 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1677 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1678 arm_expand_vec_perm_const): New.
1679 * config/arm/arm-protos.h: Update.
1680 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1681 (*neon_vswp<VDQX>): New.
1682 (neon_vcombine<VDX>): Use neon_split_vcombine.
1683 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1684 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1685 (vec_perm<VE>): New.
1687 2012-01-10 Richard Henderson <rth@redhat.com>
1689 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1690 use it if reload_completed.
1691 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1692 arm_output_asm_insn, arm_process_output_memory_barrier,
1693 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1694 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1695 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1696 arm_process_output_sync_insn, arm_output_sync_insn,
1697 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1698 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1699 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1700 (emit_unlikely_jump): New.
1701 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1702 (arm_split_atomic_op): New.
1703 * config/arm/arm-protos.h: Update.
1704 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1705 (struct arm_sync_generator): Remove.
1706 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1707 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1708 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1709 (VUNSPEC_LL, VUNSPEC_SC): New.
1710 (sync_result, sync_memory, sync_required_value, sync_new_value,
1711 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1712 (attr length): Don't use arm_sync_loop_insns.
1713 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1714 (movsfcc, movdfcc): Likewise.
1715 * config/arm/constraints.md (Ua): New.
1716 * config/arm/prediates.md (mem_noofs_operand): New.
1717 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1718 (sync_clobber, sync_t2_reqd): Remove.
1719 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1720 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1721 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1722 (arm_sync_compare_and_swap<SIDI>): Remove.
1723 (arm_sync_compare_and_swap<NARROW>): Remove.
1724 (arm_sync_lock_test_and_set<SIDI>): Remove.
1725 (arm_sync_lock_test_and_set<NARROW>): Remove.
1726 (arm_sync_new_<syncop><SIDI>): Remove.
1727 (arm_sync_new_<syncop><NARROW>): Remove.
1728 (arm_sync_new_nand<SIDI>): Remove.
1729 (arm_sync_new_nand<NARROW>): Remove.
1730 (arm_sync_old_<syncop><SIDI>): Remove.
1731 (arm_sync_old_<syncop><NARROW>): Remove.
1732 (arm_sync_old_nand<SIDI>): Remove.
1733 (arm_sync_old_nand<NARROW>): Remove.
1734 (*memory_barrier): Merge arm_output_memory_barrier.
1735 (atomic_compare_and_swap<QHSD>): New.
1736 (atomic_compare_and_swap<NARROW>_1): New.
1737 (atomic_compare_and_swap<SIDI>_1): New.
1738 (atomic_exchange<QHSD>): New.
1739 (cas_cmp_operand, cas_cmp_str): New.
1740 (atomic_op_operand, atomic_op_str): New.
1741 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1742 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1743 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1744 (arm_load_exclusive<NARROW>): New.
1745 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1746 (arm_store_exclusive<QHSD>): New.
1748 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1750 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1751 reload patterns if -mvsx-scalar-memory.
1753 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1754 generated, even -mno-vsx-scalar-double was used.
1755 (vsx_xscvdpsp_scalar): Likewise.
1756 (vsx_xscvspdp_scalar2): Likewise.
1758 2012-01-09 Tom de Vries <tom@codesourcery.com>
1759 Andrew Pinski <apinski@cavium.com>
1762 * reorg.c (fill_slots_from_thread): Don't speculate
1763 frame-related insns.
1765 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1767 * sched-int.h (bb_note): Move to...
1768 * basic-block.h: ...here.
1769 * haifa-sched.c (bb_note): Move to...
1770 * cfgrtl.c: ...here.
1771 * function.c (next_block_for_reg): New function.
1772 (move_insn_for_shrink_wrap): Likewise.
1773 (prepare_shrink_wrap): Rewrite to use the above.
1775 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1777 * gimple.c (is_gimple_non_addressable): Remove.
1778 * gimple.h: Remove is_gimple_non_addressable.
1779 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1780 is_gimple_non_addressable.
1781 * trans-mem.c (expand_assign_tm): Same.
1783 2012-01-09 Richard Guenther <rguenther@suse.de>
1785 PR tree-optimization/51775
1786 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1787 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1789 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1791 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1793 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1795 2012-01-09 Richard Guenther <rguenther@suse.de>
1797 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1799 2012-01-08 Jan Hubicka <jh@suse.cz>
1801 PR tree-optimize/51680
1802 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1803 on when known_vals needs to be computed; cleanup.
1805 2012-01-08 Jan Hubicka <jh@suse.cz>
1807 PR tree-optimize/51694
1808 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1810 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1812 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1813 for -std=c++98 and -std=c++11 too.
1815 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1817 * cfgloop.c (cancel_loop): Add free() of bbs array.
1819 2012-01-07 Jan Hubicka <jh@suse.cz>
1821 PR tree-optimization/51600
1822 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1823 that benefits small functions.
1825 2012-01-07 Jan Hubicka <jh@suse.cz>
1827 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1829 2012-01-07 Jan Hubicka <jh@suse.cz>
1831 PR tree-optimization/51680
1832 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1833 whose inlining reduce unit size.
1835 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1838 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1839 Add canonical node to containing_mem chain after the non-canonical
1840 one, even if there weren't any locs to propagate.
1841 (remove_useless_values): Keep only canonical values.
1842 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1843 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1844 canonicalize mem_chain elements that are not discarded.
1846 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1849 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1850 before emitting functions.
1852 PR gcov-profile/50127
1853 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1854 clear_aux_for_blocks.
1856 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1859 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1861 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1863 * c-decl.c (ext_block): Moved up.
1864 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1866 2012-01-06 Han Shen <shenhan@google.com>
1868 Translate built-in include paths for sysroot.
1869 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1870 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1872 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1873 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1875 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1876 control whether sysroot should be prepended to gxx include dir.
1878 * configure: Regenerate.
1880 2012-01-06 Torvald Riegel <triegel@redhat.com>
1882 PR rtl-optimization/51771
1883 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1884 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1886 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1888 PR tree-optimization/51315
1889 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1890 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1892 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1895 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1896 for shrp pattern. Correctly handle and fixup shift variable.
1897 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1899 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1902 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1903 note when !ACCUMULATE_OUTGOING_ARGS.
1905 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1907 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1909 (extract_range_from_unary_expr_1): Avoid useless computations.
1911 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1913 PR rtl-optimization/51767
1914 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1915 of jump_block and add an extra edge for degenerated asm gotos.
1918 * stmt.c (check_unique_operand_names): Don't ICE during error
1919 reporting if i is from labels chain.
1922 * profile.c (branch_prob): Split bbs that have exit edge
1923 and need a fake entry edge too.
1925 2012-01-05 Jan Hubicka <jh@suse.cz>
1928 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1931 2012-01-05 Richard Guenther <rguenther@suse.de>
1934 * tree-streamer-out.c (write_ts_optimization): New function.
1935 (streamer_write_tree_body): Call it.
1936 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1937 (streamer_read_tree_body): Call it.
1938 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1940 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1943 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1944 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1945 in_cleanup_point_expr before gimplify_stmt call and restore it
1947 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1948 in_cleanup_point_expr is false.
1950 2012-01-05 Richard Guenther <rguenther@suse.de>
1953 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1955 * toplev.c (process_options): Reject combining mudflap and LTO.
1956 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1958 2012-01-05 Richard Guenther <rguenther@suse.de>
1960 PR tree-optimization/51760
1961 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1963 (bit_value_unop): Handle UNDEFINED operands.
1964 (bit_value_binop): Likewise.
1966 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1968 * config/avr/avr.c (avr_replace_prefix): Remove.
1969 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1970 (avr_asm_function_rodata_section): Ditto.
1971 (avr_asm_select_section): Ditto.
1973 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1975 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1978 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1981 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1982 calls that have any non-fake successor edges.
1985 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1987 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1989 PR tree-optimization/51624
1990 * tree-sra.c (build_ref_for_model): When replicating a chain of
1991 COMPONENT_REFs, stop as soon as the offset would become negative.
1993 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1996 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1997 in .debug_loc on the floor.
1999 2012-01-04 Andrew Pinski <apinski@cavium.com>
2001 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2003 2012-01-04 Andrew Pinski <apinski@cavium.com>
2004 Adam Nemet <anemet@caviumnetworks.com>
2006 * config/mips/mips.md (size): Add SI and DI.
2007 (SIZE): New mode attribute.
2008 (U): New code attribute.
2009 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2010 (mips_lbux_<mode>): Delete.
2011 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2012 (mips_lhx): Use gen_mips_lhx_extsi.
2013 (mips_lhx_<mode>): Delete.
2015 (mips_l<size>x): New expand.
2016 (mips_lwx_<mode>): Delete.
2017 (mips_l<GPR:size>x_<P:mode>): New pattern.
2018 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2019 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2020 * config/mips/mips.c (mips_lx_address_p): New function.
2021 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2022 (dsp64): New availability predicate.
2023 (mips_builtins): Add an entry for __builtin_mips_ldx.
2024 * config/mips/mips.h (ISA_HAS_LBX): New define.
2025 (ISA_HAS_LBUX): Likewise.
2026 (ISA_HAS_LHX): Likewise.
2027 (ISA_HAS_LHUX): Likewise.
2028 (ISA_HAS_LWX): Likewise.
2029 (ISA_HAS_LWUX): Likewise.
2030 (ISA_HAS_LDX): Likewise.
2031 * doc/extend.texi (__builtin_mips_ldx): Document.
2033 2012-01-04 Tristan Gingold <gingold@adacore.com>
2035 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2036 when long pointers are used.
2037 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2038 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2039 (ia64-hp-*vms*): Remove.
2040 * config/vms/xm-vms64.h: Delete.
2042 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2045 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2047 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2049 * opts.c (finish_options): Remove duplicate sorry.
2051 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2054 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2057 2012-01-04 Richard Guenther <rguenther@suse.de>
2060 * tree.c (size_low_cst): New function.
2061 * tree.h (size_low_cst): Declare.
2062 * fold-const.c (fold_comparison): Use it to extract the low
2063 part of the POINTER_PLUS_EXPR offset.
2065 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2067 Fix clearing ZERO_REG
2068 * config/avr/avr.md (cc): Add alternative "ldi".
2069 (movqi_insn): Use it in cc attribute.
2070 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2071 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2072 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2074 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2076 * configure: Regenerate.
2078 2012-01-04 Richard Guenther <rguenther@suse.de>
2080 PR tree-optimization/49651
2081 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2082 (var_can_have_subvars): Use it.
2083 (get_constraint_for_1): Only consider subfields if there can be any.
2085 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2088 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2089 to its new canonical_cselib_val and the cselib_val was in
2090 first_containing_mem chain, but the canonical_cselib_val was not,
2091 add the latter into the chain.
2092 (cselib_invalidate_mem): Compare canonical_cselib_val of
2093 addr_list chain elt with v.
2096 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2097 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2099 (output_macinfo_op): Don't ggc_strdup fd->filename.
2100 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2101 then ggc_strdup it. Don't free inc->info or cur->info.
2102 (output_macinfo): Don't free ref->info or file->info.
2104 2012-01-03 Ira Rosen <irar@il.ibm.com>
2106 PR tree-optimization/51269
2107 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2108 first_niters a pointer.
2109 (slpeel_tree_peel_loop_to_edge): Likewise.
2110 (vect_do_peeling_for_loop_bound): Update call to
2111 slpeel_tree_peel_loop_to_edge.
2112 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2113 here. Remove it from the parameters list.
2114 (vect_do_peeling_for_alignment): Update calls and compute
2117 2012-01-03 Richard Guenther <rguenther@suse.de>
2119 PR tree-optimization/51070
2120 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2121 Properly handle calls.
2123 2012-01-03 Richard Guenther <rguenther@suse.de>
2125 PR tree-optimization/51692
2126 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2127 the LHS of allocation stmts.
2129 2012-01-03 Olivier Hainque <hainque@adacore.com>
2131 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2133 2012-01-03 Olivier Hainque <hainque@adacore.com>
2135 * collect2.c (main): In AIX specific computations for vector
2136 insertions, use CONST_CAST2 to cast from char ** to const char **.
2138 2012-01-03 Richard Guenther <rguenther@suse.de>
2141 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2142 the context of a limbo DIE when it does not already exist.
2144 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2146 PR tree-optimization/51719
2147 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2148 but direct call is, clear direct call's lhs and don't add fallthrough
2149 edge from dcall_bb to join_bb and PHIs.
2151 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2153 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2154 the instructions emitted by the pattern.
2155 ("*TDC_insn_<mode>"): Add comment.
2157 2012-01-03 Richard Guenther <rguenther@suse.de>
2160 * fold-const.c (fold_comparison): Properly canonicalize
2161 tree offset and HOST_WIDE_INT bit position.
2163 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2165 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2166 operands for extzv pattern.
2168 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2171 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2174 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2176 * doc/invoke.texi (-flto and related options): Copy-edit.
2178 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2180 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2182 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2184 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2187 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2189 * expr.h (move_by_pieces_ninsns): Declare.
2190 * expr.c (move_by_pieces_ninsns): Make external.
2191 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2192 (mips_store_by_pieces_p): Likewise.
2193 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2194 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2195 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2196 (mips_store_by_pieces_p): Likewise.
2198 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2200 * passes.c (register_one_dump_file): Free full_name.
2202 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2203 (calculate_elim_costs_all_insns): Free offsets_at and
2204 offsets_known_at at the end and clear the pointers.
2206 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2208 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2209 this option introduced in r180739.
2211 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2214 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2215 (tmake_file target=avr): Add avr/t-multilib.
2217 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2218 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2219 * config/avr/genmultilib.awk: New file.
2220 * config/avr/t-multilib: New auto-generated file.
2221 * config/avr/multilib.h: New auto-generated file.
2222 * config/avr/t-avr (AVR_MCUS): New variable.
2223 (genopt.sh): Use it.
2224 (s-mlib): Depend on t-multilib.
2225 (t-multilib, multilib.h): New dependencies.
2226 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2227 (MULTILIB_OPTIONS): Remove.
2228 (MULTILIB_MATCHES): Remove.
2229 (MULTILIB_DIRNAMES): Remove.
2230 (MULTILIB_EXCEPTIONS): Remove:
2231 * config/avr/genopt.sh: Don't use hard coded file name;
2232 pass AVR_MCUS from t-avr instead.
2234 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2236 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2238 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2240 Implement light-weight DImode support.
2241 * config/avr/avr-dimode.md: New file.
2242 * config/avr/avr.md: Include it.
2243 (adjust_len): Add plus64, compare64.
2244 (HIDI): Remove code iterator.
2245 (code_stdname): New code attribute.
2246 (rotx, rotsmode): Remove DI.
2247 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2249 * config/avr/avr-protos.h (avr_have_dimode): New.
2250 (avr_out_plus64, avr_out_compare64): New.
2251 * config/avr/avr.c (avr_out_compare): Handle DImode.
2252 (avr_have_dimode): New variable definition and initialization.
2253 (avr_out_compare64, avr_out_plus64): New functions.
2254 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2255 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2256 (avr_compare_pattern): Skip DImode comparisons.
2258 2012-01-02 Revital Eres <revital.eres@linaro.org>
2260 * ddg.c (def_has_ccmode_p): New function.
2261 (add_cross_iteration_register_deps,
2262 create_ddg_dep_from_intra_loop_link): Call it.
2264 2012-01-02 Richard Guenther <rguenther@suse.de>
2267 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2269 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2271 * gcc.c (process_command): Update copyright notice dates.
2272 * gcov.c (print_version): Likewise.
2273 * gcov-dump.c (print_version): Likewise.
2274 * mips-tfile.c (main): Likewise.
2275 * mips-tdump.c (main): Likewise.
2277 2012-01-01 Ira Rosen <irar@il.ibm.com>
2279 PR tree-optimization/51704
2280 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2281 a use is inside the basic block or loop before accessing its vect info.
2283 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2285 PR rtl-optimization/51069
2286 * cfgloopmanip.c (remove_path): Removing path making irreducible
2287 region unconditional makes BB part of the region.
2289 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2291 PR tree-optimization/51683
2292 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2293 calls with side-effects.
2294 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2296 Copyright (C) 2012 Free Software Foundation, Inc.
2298 Copying and distribution of this file, with or without modification,
2299 are permitted in any medium without royalty provided the copyright
2300 notice and this notice are preserved.
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