1 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
5 * cselib.c (cselib_subst_to_values_from_insn): New function.
6 * sched-deps.c (add_insn_mem_dependence,
7 sched_analyze_1, sched_analyze_2): Use it.
9 2012-02-13 Jan Hubicka <jh@suse.cz>
12 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
14 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
16 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
17 (GTM_SELF_SPECS): Define if not already defined.
18 (driver_self_specs): Add GTM_SELF_SPECS.
19 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
20 (GTM_SELF_SPECS): Define.
21 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
22 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
24 2012-02-13 Jakub Jelinek <jakub@redhat.com>
26 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
29 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
33 * omp-low.c (expand_omp_for): If a static schedule without
34 chunk size has NULL region->cont, force fd.chunk_size to be
37 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
40 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
42 2012-02-13 Richard Guenther <rguenther@suse.de>
45 * passes.c (enable_disable_pass): Fix typo.
47 2012-02-13 Jakub Jelinek <jakub@redhat.com>
50 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
51 XOR for reduce_bit_field if type is unsigned.
53 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
55 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
56 disallow changes from SFmode to mode with different size in FP regs.
58 2012-02-12 Robert Millan <rmh@gnu.org>
59 Gerald Pfeifer <gerald@pfeifer.com>
61 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
64 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
66 PR rtl-optimization/52175
67 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
68 to frame-related instructions.
70 2012-02-10 Jason Merrill <jason@redhat.com>
73 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
74 (demangle_new_symbols): Fill it.
75 (scan_linker_output): Walk it.
76 (start_tweaking): Split out from scan_linker_output.
77 (maybe_tweak): Update sym->chosen.
78 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
80 2012-02-11 Jakub Jelinek <jakub@redhat.com>
83 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
86 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
88 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
89 having the same mode as previous compare.
91 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
93 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
94 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
95 (nonlocal_goto_internal): Likewise.
96 (nonlocal_goto): Emit a use and an indirect jump directly.
98 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
101 * doc/extend.texi : Update comments for __atomic_compare_exchange and
102 __atomic_{is,always}_lock_free.
104 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
107 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
108 negative constant address for x32.
110 2012-02-10 Richard Henderson <rth@redhat.com>
112 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
113 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
114 for GIMPLE_TRANSACTION. Tidy if's into a switch.
116 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
117 Ira Rosen <irar@il.ibm.com>
119 PR tree-optimization/50031
120 * targhooks.c (default_builtin_vectorization_cost): Handle
122 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
123 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
124 all types of reduction and pattern statements.
125 (vect_estimate_min_profitable_iters): Likewise.
126 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
127 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
128 for explicit realigns.
129 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
130 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
132 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
133 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
134 vec_perm for VSX and handle vec_promote_demote.
136 2012-02-10 Jakub Jelinek <jakub@redhat.com>
139 * builtins.c (fold_builtin_atomic_always_lock_free,
140 expand_builtin_atomic_always_lock_free,
141 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
142 Return and/or test boolean_true_node/boolean_false_node instead of
143 integer_one_node/integer_zero_node.
145 2012-02-10 Jan Hubicka <jh@suse.cz>
148 * predict.c (predict_paths_for_bb): Prevent looping.
149 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
151 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
153 * config/arm/arm.c (output_move_double): In one case properly
154 count number of instructions that will be emitted.
156 2012-02-10 Richard Guenther <rguenther@suse.de>
159 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
161 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
164 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
166 2012-02-09 Jakub Jelinek <jakub@redhat.com>
169 * var-tracking.c (emit_note_insn_var_location): If
170 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
171 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
172 non-NOTE_DURING_CALL_P insn.
174 2012-02-09 Bin Cheng <bin.cheng@arm.com>
177 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
179 2012-02-08 Magnus Granberg <zorry@gentoo.org>
182 * gcc.c (switch_matches) Support switches with separated form,
185 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
187 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
190 * config/avr/avr.c (avr_addr_t): New typedef.
191 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
192 (avr_init_expanders): Initialize it.
193 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
195 (expand_epilogue): Ditto.
196 (avr_print_operand): Ditto.
197 (avr_file_start): Ditto.
198 (avr_emit_movmemhi): Ditto.
200 2012-02-08 Richard Guenther <rguenther@suse.de>
202 PR tree-optimization/46886
203 * tree-flow.h (do_while_loop_p): Declare.
204 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
205 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
207 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
209 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
210 always succeed for integers larger than a native word.
212 2012-02-08 Richard Guenther <rguenther@suse.de>
214 PR rtl-optimization/52170
215 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
216 properly handle integer vector modes.
218 2012-02-08 Jakub Jelinek <jakub@redhat.com>
220 PR gcov-profile/52150
221 * coverage.c: Include target.h.
222 (build_var): Call targetm.strip_name_encoding on the assembler name.
223 Change one _ into . or $ if the target allows it.
224 * Makefile.in (coverage.o): Depend on $(TARGET_H).
226 PR rtl-optimization/52139
227 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
228 is a BARRIER after emit_insn_after_noloc, move BB_END
229 to the last non-BARRIER insn before it.
231 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
234 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
235 (mips_gimplify_va_arg_expr): Call it instead of
236 std_gimplify_va_arg_expr.
238 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
240 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
241 message for -mno-pointers-to-nested-function.
243 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
246 * expr.c (get_inner_reference): If there is an offset, add a negative
247 bit position to it (if any).
249 2012-02-07 Jakub Jelinek <jakub@redhat.com>
251 PR rtl-optimization/52060
252 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
253 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
254 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
255 and/or i0src_copy2 when needed.
257 2012-02-07 Jakub Jelinek <jakub@redhat.com>
259 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
260 or LTOPLUGINSONAME if have_c.
262 * config/freebsd-spec.h: Add comment about what macros can be defined
264 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
265 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
268 2012-02-07 Richard Guenther <rguenther@suse.de>
270 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
271 newline in -alias dumps.
273 2012-02-07 Kai Tietz <ktietz@redhat.com>
274 Dave Korn <dave.korn.cygwin@gmail.com>
277 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
278 Take care that typinfo gets dllexport-attribute.
280 2012-02-07 Jakub Jelinek <jakub@redhat.com>
283 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
284 if modifier < EXPAND_SUM call force_operand on the result.
286 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
288 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
289 adding __forwarder_dst__ prefix if a forwarder_section attribute is
291 (epiphany_function_type): Replace types for specific interrupts with
292 EPIPHANY_FUNCTION_INTERRUPT.
293 (EPIPHANY_INTERRUPT_P): Update.
294 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
296 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
297 <disinterrupt>: Affects type identity.
298 (epiphany_handle_interrupt_attribute): Handle variable number of
300 (epiphany_compute_function_type): Update for new
301 epiphany_function_type definition.
302 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
303 handlers with a longcall forwarder.
304 (epiphany_start_function): Handle multiple interrupt arguments and/or
305 forwarder_section attribute.
307 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
310 2012-02-07 Alan Modra <amodra@gmail.com>
313 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
316 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
318 PR tree-optimization/50969
319 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
320 use vec_perm rather than vector_stmt.
321 (vect_model_load_cost): Likewise.
322 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
323 vec_perm to be the same as other vector statements.
324 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
325 cost of vec_perm for TARGET_VSX.
327 2012-02-06 Richard Guenther <rguenther@suse.de>
329 PR tree-optimization/52115
330 * tree-sra.c (access_has_replacements_p): New function.
331 (sra_modify_assign): Use it to decide whether a use is uninitialized.
333 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
336 * trans-mem.c (expand_call_tm): Add an assertion.
337 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
340 2012-02-06 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/50955
343 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
344 raise cost of expressions that replace an address with an
345 expression based on a different pointer.
347 2012-02-06 Jakub Jelinek <jakub@redhat.com>
350 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
351 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
353 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
356 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
357 -Weffc++ and specify guidelines come from second edition.
359 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
361 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
362 (sibcall_value_multiple_internal, call_split, call_internal_direct)
363 (call_direct_split, call_value_split, call_value_internal_direct)
364 (call_value_direct_split, call_value_multiple_split): Use jal and
365 jal_macro attributes.
367 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
369 * reload1.c (reload_regs_reach_end_p): Replace with...
370 (reload_reg_rtx_reaches_end_p): ...this function.
371 (new_spill_reg_store): Update commentary.
372 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
373 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
374 before setting new_spill_reg_store.
375 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
376 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
377 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
378 for non-spill reload registers.
380 2012-02-05 Ira Rosen <irar@il.ibm.com>
382 PR tree-optimization/52091
383 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
384 (vect_is_simple_use_1): Likewise.
385 * tree-vect-loop.c (vectorizable_reduction): Update calls
386 to vect_is_simple_use_1 and vect_is_simple_use.
387 (vectorizable_live_operation): Likewise.
388 * tree-vect-patterns.c (widened_name_p,
389 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
390 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
391 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
392 vectorizable_shift,vectorizable_operation, vectorizable_store,
393 vectorizable_load): Likewise.
394 (vect_is_simple_cond): Add an argument, pass it to
395 vect_is_simple_use_1.
396 (vectorizable_condition): Update calls to vect_is_simple_cond,
398 (vect_is_simple_use): Add an argument, the statement in which
399 OPERAND is used. Check that if OPERAND's def stmt is a double
400 reduction phi node, the use is a phi node too.
401 (vect_is_simple_use_1): Add an argument, pass it to
403 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
404 to vect_is_simple_use.
406 2012-02-04 Jakub Jelinek <jakub@redhat.com>
408 PR rtl-optimization/52095
409 * modulo-sched.c (dump_insn_locator): New function.
410 (loop_canon_p, sms_schedule): Use it.
412 PR rtl-optimization/52113
413 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
414 even for decomposable shift/zext insns.
416 2012-02-03 Jakub Jelinek <jakub@redhat.com>
417 Zdenek Dvorak <ook@ucw.cz>
419 PR rtl-optimization/52092
420 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
421 on get_iv_value result.
423 2012-02-02 Andrew Pinski <apinski@cavium.com>
427 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
429 2012-02-02 Jakub Jelinek <jakub@redhat.com>
432 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
434 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
436 PR rtl-optimization/49800
437 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
438 (sched_finish): Call regstat_free_n_sets_and_refs.
440 2012-02-02 Jia Liu <proljc@gmail.com>
442 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
445 2012-02-02 Jan Hubicka <jh@suse.cz>
446 Tom de Vries <tom@codesourcery.com>
449 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
450 * varpool.c (varpool_analyze_pending_decls): Likewise.
452 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
453 Jayant R Sonar <jayant.sonar@kpitcummins.com>
455 * config.gcc: Add cr16-* support.
457 * doc/extend.texi: Document cr16 extensions.
458 * doc/install.texi: Document cr16 install.
459 * doc/invoke.texi: Document cr16 options.
460 * doc/md.texi: Document cr16 constraints.
462 * common/config/cr16/cr16-common.c: New file.
463 * config/cr16/cr16.c: New file.
464 * config/cr16/cr16.h: New file.
465 * config/cr16/cr16.md: New file.
466 * config/cr16/cr16.opt: New file.
467 * config/cr16/cr16-protos.h: New file.
468 * config/cr16/predicates.md: New file.
469 * config/cr16/constraints.md: New file.
470 * config/cr16/t-cr16: New file.
472 2012-02-02 Jakub Jelinek <jakub@redhat.com>
475 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
476 that operands[2] is either immediate, or q_regs_operand.
478 PR tree-optimization/52073
479 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
480 a pattern stmt for pattern uses, ignore uses outside of the loop.
482 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
484 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
485 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
486 (OUT_AS1, OUT_AS2): Remove.
488 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
490 PR rtl-optimization/51374
491 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
492 to cross other volatile_refs_p insns.
494 2012-02-01 Richard Guenther <rguenther@suse.de>
496 * doc/invoke.texi (fno-inline): Clarify documentation.
497 (finline-small-functions): Likewise.
498 (finline-functions): Likewise.
499 * common.opt (finline): Adjust comment and documentation.
500 (finline-small-functions): Clarify documentation.
501 (finline-functions): Likewise.
502 (finline-functions-called-once): Likewise.
504 2012-02-01 Tristan Gingold <gingold@adacore.com>
506 * c-typeck.c (composite_type): Keep mode for pointers.
508 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
510 * function.h (regno_reg_rtx): Adjust comment.
511 * reginfo.c (init_reg_modes_target): Only use the previous mode
512 if it fits within one register. Remove MIPS comment.
514 2012-01-31 Jakub Jelinek <jakub@redhat.com>
517 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
519 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
521 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
524 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
526 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
528 2012-01-31 Jakub Jelinek <jakub@redhat.com>
533 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
535 2012-01-31 Richard Guenther <rguenther@suse.de>
537 PR tree-optimization/51528
538 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
541 2012-01-31 Jakub Jelinek <jakub@redhat.com>
546 * ree.c (add_removable_extension): Change def_map argument
547 to unsigned *, store in def_map 1 + offset into *insn_list vector
548 instead of pointers into the vector.
549 (find_removable_extensions): Adjust caller.
551 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
553 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
554 Transform all "* quoted-c-code" to { c-code }.
555 Remove redundant test for "optimize" in combine patterns.
556 Move (include "avr-dimode.md") to end of file.
558 2012-01-30 Bin Cheng <bin.cheng@arm.com>
561 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
562 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
564 2012-01-30 Richard Guenther <rguenther@suse.de>
566 PR tree-optimization/52028
567 * tree-loop-distribution.c (ldist_gen): Properly update
570 2012-01-30 Jakub Jelinek <jakub@redhat.com>
573 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
574 set_cur_line_info_table if not emitting debug info.
576 PR tree-optimization/52046
577 * tree-vect-patterns.c (check_bool_pattern): Give up if
578 a comparison could throw.
581 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
583 2012-01-30 Richard Guenther <rguenther@suse.de>
585 PR tree-optimization/52045
586 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
587 SSA form if cfgcleanup did anything.
589 2012-01-30 Richard Guenther <rguenther@suse.de>
591 PR tree-optimization/52045
592 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
593 before computing final todo.
595 2012-01-30 Richard Guenther <rguenther@suse.de>
597 PR tree-optimization/51528
598 * tree-sra.c (sra_modify_assign): Re-factor in preparation
601 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
603 * df-problems.c (df_kill_notes): Check that the use refers
604 to the note under examination.
606 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
609 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
610 parameter and use short-lived pseudos.
611 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
612 (sparc_expand_vector_init): Const-ify local variables and adjust
613 calls to above functions.
615 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
617 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
619 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
621 * doc/invoke.texi: Make usage of "compile time" and
622 "run time"/"runtime" consistent throughout the file.
624 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
626 * config/alpha/alpha.c (alpha_option_override): Default to
627 full IEEE compliance mode for Go language.
629 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
631 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
632 (LINK_SSP_SPEC): Define.
634 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
637 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
640 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
642 * doc/invoke.texi: Correct hyphenation of "floating point",
643 "double precision", and related terminology throughout the file.
645 2012-01-28 Jakub Jelinek <jakub@redhat.com>
648 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
649 arm_general_register_operand predicate for operand 2 instead of
652 2012-01-27 Ian Lance Taylor <iant@google.com>
655 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
656 * builtins.c (expand_builtin_init_trampoline): Add onstack
657 parameter. Change caller.
658 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
659 * tree.c (build_common_builtin_nodes): Declare
660 __builtin_init_heap_trampoline.
662 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
664 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
665 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
666 * config/avr/avr.c: Ditto.
667 (avr_regnames): Remove because unused.
668 * config/avr/avr.md (*cpse.ne): New peephole.
669 (*cpse.eq): New peephole from former cpse peepholes.
671 2012-01-27 Michael Eager <eager@eagercon.com>
673 * config/microblaze.c (microblaze_emit_compare): Correct
674 test after pcmp instruction.
676 2012-01-27 Richard Guenther <rguenther@suse.de>
678 PR tree-optimization/52020
679 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
681 2012-01-27 Richard Guenther <rguenther@suse.de>
683 * ipa-pure-const.c (check_stmt): Clobbers do not make a
684 function non-const/pure.
686 2012-01-27 Richard Guenther <rguenther@suse.de>
688 PR tree-optimization/50444
689 * tree-sra.c (build_ref_for_offset): Properly adjust the
690 MEM_REF type for unaligned accesses.
692 2012-01-27 Richard Guenther <rguenther@suse.de>
694 PR tree-optimization/50444
695 * expr.c (mem_ref_refers_to_non_mem_p): New function.
696 (expand_assignment): Use it. Properly handle misaligned
697 bases when expanding stores to component references.
698 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
701 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
704 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
705 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
706 * tree-data-ref.c (find_data_references_in_loop): Make static.
707 (compute_all_dependences): Change return type to bool. Bail out
708 for too many datarefs in a loop. Move the hunk resetting the data
709 dependences vector from ...
710 (compute_data_dependences_for_loop): ... here. Account for
711 compute_all_dependences returning false.
712 (compute_data_dependences_for_bb): Likewise.
713 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
714 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
716 2012-01-27 Richard Guenther <rguenther@suse.de>
719 * expr.c (store_field): Use the alias-set of the scratch memory
722 2012-01-27 Tom de Vries <tom@codesourcery.com>
724 PR tree-optimization/51990
725 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
727 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
729 2012-01-27 Jakub Jelinek <jakub@redhat.com>
732 * var-tracking.c (reverse_op): Don't add any reverse operation
733 if V already has any constant locations.
735 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
737 * doc/invoke.texi: Correct usage of "command line" (noun)
738 vs "command-line" (adjective) throughout.
740 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
742 * doc/invoke.texi (Language Independent Options): Move
743 -Wcoverage-mismatch blurb from here....
744 (Warning Options): ...to here.
746 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
748 * config/rs6000/rs6000.c (rs6000_option_override_internal):
749 Set rs6000_always_hint to false for 476.
751 2012-01-27 Matthias Klose <doko@ubuntu.com>
753 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
755 * incpath.c (add_standard_paths): Likewise.
757 2012-01-27 Richard Henderson <rth@redhat.com>
759 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
760 * config/m68k/sync.md (atomic_test_and_set): Rename from
761 sync_test_and_setqi and adjust the operands.
762 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
763 and unconditionally enable.
765 2012-01-27 Richard Henderson <rth@redhat.com>
767 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
768 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
769 (ldstub): Rename from ldstubqi.
770 (ldstub<I24MODE>): Remove.
772 2012-01-27 Richard Henderson <rth@redhat.com>
774 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
775 * c-cppbuiltin.c (cpp_atomic_builtins): Define
776 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
777 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
778 * doc/tm.texi: Rebuild.
780 2012-01-27 Richard Henderson <rth@redhat.com>
782 * optabs.c (gen_atomic_test_and_set): Remove default.
783 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
785 2012-01-26 Jakub Jelinek <jakub@redhat.com>
787 PR rtl-optimization/51978
788 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
789 (combine_reaching_defs): Likewise.
790 (struct re_info): Remove.
791 (add_removable_extension): Remove x and data arguments,
792 add insn, insn_list and def_map. Use the arguments directly
793 instead of using struct re_info.
794 (find_removable_extensions): Don't call add_removable_extension
795 through note_stores, instead just call it with single_set
797 (find_and_remove_re): Pass curr_cand->expr instead of
798 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
800 2012-01-26 Michael Matz <matz@suse.de>
802 PR tree-optimization/46590
803 * cfgexpand.c: Revert last change (r183305).
804 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
806 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
807 checking for emptiness.
809 2012-01-26 Jakub Jelinek <jakub@redhat.com>
812 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
813 non-addressable non-BLKmode base correctly.
815 2012-01-26 Michael Matz <matz@suse.de>
817 PR tree-optimization/48794
818 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
819 regions referenced from RESX/EH_DISPATCH.
821 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
823 * config/s390/s390.h: Make BRANCH_COST an option.
824 * config/s390/s390.opt: New option -mbranch-cost.
826 2012-01-26 Richard Henderson <rth@redhat.com>
828 Revert 2012-01-24 change:
829 * trans-mem.c (requires_barrier): Do not instrument thread local
830 variables and emit save/restore for them.
832 2012-01-25 Jakub Jelinek <jakub@redhat.com>
835 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
838 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
840 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
843 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
846 Rename __pgm to __flash.
847 Rename __pgm1 to __flash1.
848 Rename __pgm2 to __flash2.
849 Rename __pgm3 to __flash3.
850 Rename __pgm4 to __flash4.
851 Rename __pgm5 to __flash5.
852 Rename __pgmx to __memx.
853 * doc/extend.texi (AVR Named Address Spaces)
854 Rename address space names as indicated above.
855 * config/avr/avr.c (avr_addrspace): Ditto.
857 * config/avr/avr-protos.h
858 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
859 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
860 * config/avr/predicates.md: Ditto.
861 * config/avr/avr.c Ditto, and
862 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
863 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
865 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
866 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
867 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
868 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
869 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
870 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
871 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
872 * config/avr/avr.c: Ditto.
873 * config/avr/avr.md: Ditto.
875 2012-01-25 Jason Merrill <jason@redhat.com>
878 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
880 2012-01-25 Jakub Jelinek <jakub@redhat.com>
882 PR tree-optimization/51987
883 * tree-data-ref.c (get_references_in_stmt): Handle references in
884 non-volatile GIMPLE_ASM.
886 2012-01-25 Richard Guenther <rguenther@suse.de>
888 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
889 bases are dereferenced.
891 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
893 PR rtl-optimization/48374
894 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
896 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
898 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
899 compute_data_dependences_for_loop returns false.
900 * tree-parloops.c (loop_parallel_p): Likewise.
902 2012-01-25 Richard Guenther <rguenther@suse.de>
904 * tree.h (get_pointer_alignment_1): Declare.
905 * builtins.c (get_pointer_alignment_1): New function.
906 (get_pointer_alignment): Use it.
908 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
910 PR rtl-optimization/48308
911 * combine.c (enum undo_kind): Add UNDO_LINKS.
912 (struct undo): Add member l to other_contents and where.
913 (do_SUBST_LINK): New.
915 (try_combine): Handle LOG_LINKS for the dummy i1 case.
916 (undo_all): Handle UNDO_LINKS.
918 2012-01-25 Richard Henderson <rth@redhat.com>
920 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
923 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
925 * optabs.c (gen_atomic_test_and_set): Use each argument.
927 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
929 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
930 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
931 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
932 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
933 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
934 TARGET_PAIRED_SINGLE_FLOAT.
936 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
938 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
939 (in_struct, return_val): Remove MEM documentation.
940 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
941 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
942 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
944 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
945 * cfgexpand.c (add_alias_set_conflicts): Likewise.
946 * expr.c (store_field): Likewise.
947 * function.c (assign_stack_temp_for_type): Likewise.
948 * ifcvt.c (noce_try_cmove_arith): Likewise.
949 * reload1.c (reload): Likewise.
950 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
951 (alpha_set_memflags): Likewise.
952 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
954 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
956 * rtl.h (true_dependence, canon_true_dependence): Remove varies
958 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
959 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
960 (true_dependence_1, true_dependence, canon_true_dependence): Remove
962 * cselib.c (cselib_rtx_varies_p): Delete.
963 (cselib_invalidate_mem): Update call to canon_true_dependence.
964 * dse.c (record_store, check_mem_read_rtx): Likewise.
965 (scan_reads_nospill): Likewise.
966 * cse.c (check_dependence): Likewise.
967 (cse_rtx_varies_p): Delete.
968 * expr.c (safe_from_p): Update call to true_dependence.
969 * ira.c (validate_equiv_mem_from_store): Likewise.
970 (memref_referenced_p): Likewise.
971 * postreload-gcse.c (find_mem_conflicts): Likewise.
972 * sched-deps.c (sched_analyze_2): Likewise.
973 * store-motion.c (load_kills_store): Likewise.
974 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
975 * gcse.c (mems_conflict_for_gcse_p): Likewise.
976 (compute_transp): Update call to canon_true_dependence.
978 2012-01-25 Richard Henderson <rth@redhat.com>
980 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
981 (maybe_emit_atomic_test_and_set): New.
982 (expand_sync_lock_test_and_set): Use it.
983 (expand_atomic_test_and_set): Likewise.
984 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
985 the implementation; clarify implementation defined details.
986 * doc/md.texi (atomic_test_and_set): Document.
988 2012-01-25 Richard Henderson <rth@redhat.com>
990 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
992 2012-01-25 Richard Henderson <rth@redhat.com>
995 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
996 to effect no-op split.
998 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1001 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1002 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1003 (BT_FN_VOID_PTR_INT_SIZE): New.
1004 (BT_FN_UINT_UINT_VAR): Remove.
1005 (BT_FN_UINT32_UINT32_VAR): New.
1006 (BT_FN_DOUBLE_VPTR): Remove.
1007 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1009 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1010 (_ITM_changeTransactionMode): Same.
1011 (_ITM_memmoveRtWt): Change return type to void.
1012 (_ITM_memcpyRtWt): Same.
1013 (_ITM_memsetW): Same.
1014 (_ITM_RaRD): Change types to double.
1019 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1021 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1022 Patrick Marlier <patrick.marlier@gmail.com>
1024 * trans-mem.c (requires_barrier): Do not instrument thread local
1025 variables and emit save/restore for them.
1027 2012-01-24 Jason Merrill <jason@redhat.com>
1030 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1031 output static aliases.
1033 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1036 * common.opt (-pie, -shared, pie, shared): Change from Common to
1038 * gcc.c (display_help): Display help for -pie and -shared.
1040 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1043 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1044 Remove note on size/offset limitation.
1045 (AVR Variable Attributes): Add example how to read data located
1046 with progmem. Refer to named address spaces.
1047 * doc/invoke.texi (AVR Options): Fix typo.
1049 2012-01-24 Richard Guenther <rguenther@suse.de>
1051 Forward-port to trunk
1052 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1055 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1056 op0 isn't sufficiently aligned and there is movmisalignM
1057 insn for mode, use it to load op0 into a temporary register.
1059 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1062 * target.def (const_not_ok_for_debug_p): New hook.
1063 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1065 * doc/tm.texi: Regenerated.
1066 * dwarf2out.c (const_ok_for_output_1): If
1067 targetm.const_not_ok_for_debug_p returns true, fail.
1068 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1070 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1072 2012-01-23 Kai Tietz <ktietz@redhat.com>
1075 * config/i386/predicates.md (symbolic_operand): Allow
1076 UNSPEC_PCREL as PIC expression for lea.
1077 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1078 * config/i386/i386.c (ix86_delegitimize_address): Handle
1079 UNSPEC_PCREL for none-MEM, too.
1081 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1083 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1084 (ipa_tm_create_version_alias): Same.
1086 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1089 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1090 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1092 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1093 Patrick Marlier <patrick.marlier@gmail.com>
1094 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1097 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1098 simple_object_start_read.
1100 2012-01-23 Richard Guenther <rguenther@suse.de>
1103 PR tree-optimization/51895
1104 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1105 parameter decomposition into BLKmode components.
1107 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1109 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1110 fake variables for restrict-qualified pointers whose pointed-to type
1111 contains a placeholder.
1113 2012-01-23 Richard Guenther <rguenther@suse.de>
1115 PR tree-optimization/51949
1116 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1118 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1120 PR rtl-optimization/51933
1121 * ree.c (transform_ifelse): Return true right away if dstreg is
1122 already wider or equal to cand->mode.
1123 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1124 (make_defs_and_copies_lists): Remove defs_list and copies_list
1125 arguments, add state argument, just truncate state->work_list
1126 instead of always allocating and freeing the vector. Assert that
1127 get_defs succeeds instead of returning 2. Changed return type to bool.
1128 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1129 have ext_src_mode, see if it has been modified already with the
1130 right kind of extension and has been extended before from the
1131 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1132 just return true. Remember the original mode in state->modified array.
1133 (combine_reaching_defs): Add state argument. Don't allocate and
1134 free here def_list, copied_list and vec vectors, instead just
1135 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1136 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1137 Add state variable, clear vectors in it, initialize state.modified
1138 if needed. Free all the vectors at the end and state.modified too.
1139 Don't skip a candidate if the extension expression has been modified.
1141 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1144 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1145 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1146 (extra_options) interix.opt -> i386/interix.opt"
1147 (extra_objs):Add winnt-stubs.o
1148 * configure.ac: Add interix to target_os .comm on PE check.
1149 * configure: Regenerate.
1150 * config/interix3.h: Delete and move bits to..
1151 * config/interix.h: Delete and move bits to..
1152 * config/i386/i386-interix3.h: Delete and move bits to..
1153 * config/i386/i386-interix.h: ..here.
1154 (TARGET_CPU_DEFAULT): Remove redefinition.
1155 (TARGET_ASM_CONSTRUCTOR): Undefine.
1156 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1157 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1158 (PTRDIFF_TYPE): Define.
1159 (LONG_DOUBLE_TYPE_SIZE): Define.
1160 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1161 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1162 (TARGET_SECTION_TYPE_FLAGS): Define.
1163 (ASM_DECLARE_FUNCTION_NAME): Define.
1164 (ASM_OUTPUT_EXTERNAL): Define.
1165 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1166 (ASM_OUTPUT_ALIGNED_BSS): Define.
1167 (PCC_BITFIELD_TYPE_MATTERS): Define.
1168 (USE_CONST_SECTION): Define.
1169 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1170 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1171 (SUPPORTS_ONE_ONLY): Remove.
1172 (I386_PE_STRIP_ENCODING): Define.
1173 * config/interix.opt: Delete and move bits to..
1174 * config/i386/interix.opt: ..here. New.
1175 (mpe-aligned-commons): Add.
1176 * config/i386/t-interix: Add copyright header.
1177 (winnt-stubs.o): Add rule.
1179 2012-01-22 Jason Merrill <jason@redhat.com>
1182 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1183 for extra name aliases.
1185 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1187 PR rtl-optimization/51924
1188 * ree.c (combine_set_extension): Improve debugging message.
1189 (combine_reaching_defs): Likewise.
1190 (get_defs): Rename confusingly named variable.
1191 (find_and_remove_re): Skip a candidate if the extension expression has
1194 2012-01-21 Robert Millan <rmh@gnu.org>
1195 Gerald Pfeifer <gerald@pfeifer.com>
1197 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1198 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1200 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1202 PR tree-optimization/51914
1203 * tree-vect-stmts.c (vectorizable_conversion): For
1204 cvt_type && modifier == WIDEN, put temporary with cvt_type
1205 at the beginning of vec_dsts and set vec_dest to temporary
1208 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1210 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1212 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1214 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1215 * config/rs6000/rs6000.c: Likewise.
1217 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1220 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1221 output_move_double on a copy of operands array.
1223 2012-01-20 Cary Coutant <ccoutant@google.com>
1224 Dodji Seketeli <dodji@redhat.com>
1227 * dwarf2out.c (copy_declaration_context): Return ref to parent
1228 of declaration DIE, if necessary.
1229 (remove_child_or_replace_with_skeleton): Add new parameter; update
1230 caller. Place skeleton DIE under parent DIE of original declaration.
1231 Move call to copy_declaration_context to here ...
1232 (break_out_comdat_types): ... from here.
1234 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1236 PR rtl-optimization/51856
1237 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1240 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1243 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1244 hints for neon loads and stores.
1246 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1250 * doc/extend.texi (Named Address Spaces): Split into subsections.
1251 (AVR Named Address Spaces): New subsection.
1252 (M32C Named Address Spaces): New subsection.
1253 (RL78 Named Address Spaces): New subsection.
1254 (SPU Named Address Spaces): New subsection.
1255 (Variable Attributes): New anchor "AVR Variable Attributes".
1256 (AVR Variable Attributes): Rewrite and avoid wording
1257 "address space" in this context.
1258 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1259 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1260 (AVR Built-in Macros): New subsubsection therein.
1261 * doc/md.texi (AVR constraints): Remove "C04", "R".
1263 2012-01-20 Richard Guenther <rguenther@suse.de>
1265 PR tree-optimization/51903
1266 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1267 when removing stmts.
1269 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1272 * config/arm/arm.c (arm_load_pic_register): Use
1273 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1274 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1275 (arm_pic_static_addr): Likewise.
1276 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1277 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1278 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1279 (pic_load_addr_unified): New.
1281 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1284 * function.c (instantiate_virtual_regs_in_insn): Use
1285 delete_insn_and_edges when removing a wrong asm insn.
1287 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1289 PR rtl-optimization/40761
1290 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1291 Add new member loop_num.
1292 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1293 (ira_build): Remove the parameter.
1295 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1296 (ira.c): Do not build CFG loops for one region allocation. Remove
1297 argument from ira_build call.
1299 * ira-build.c (init_loop_tree_node): New function.
1300 (create_loop_tree_nodes): Use it. Separate the case when CFG
1301 loops are not built.
1302 (more_one_region_p): Check current_loops.
1303 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1305 (add_loop_to_tree): Process loop equal to NULL too.
1306 (form_loop_tree): Separate the case when CFG loops are not built.
1307 Use explicitly number for the root.
1308 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1310 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1311 instead of loop->num.
1312 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1313 (mark_all_loops_for_removal): Ditto.
1314 (remove_unnecessary_regions): Separate the case when CFG loops
1316 (ira_build): Remove the parameter. Use explicit number of regions
1317 when CFG loops are not built.
1319 * ira-color.c (print_loop_title): Separate the case for the root node.
1320 Use loop_num instead of loop->num.
1321 (move_spill_restore): Use loop_num instead of loop->num.
1323 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1324 (change_loop): Ditto.
1325 (change_loop): Use loop_num instead of loop->num.
1327 * ira-lives.c (process_bb_node_lives): Ditto.
1329 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1331 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1333 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1336 * tree-mudflap.c (mf_artificial): New function.
1337 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1338 mx_register_decls, mudflap_enqueue_decl): Use it.
1341 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1342 numbers in the insn pattern.
1344 2012-01-19 Michael Matz <matz@suse.de>
1346 PR tree-optimization/46590
1347 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1348 use it in remembering which conflicts we already created.
1349 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1352 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1355 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1356 (merge_and_complain): Same.
1358 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1361 * config/initfini-array.h: Guard content of the header
1362 with #ifdef HAVE_INITFINI_ARRAY.
1363 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1364 Add initfini-array.h to tm_file here.
1365 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1366 * config.gcc: Don't add initfini-array.h to tm_file here.
1367 * configure: Regenerated.
1369 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1371 PR rtl-optimization/51505
1372 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1373 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1374 (df_note_bb_compute): Update the call to df_kill_notes.
1376 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1378 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1380 2012-01-18 Richard Guenther <rguenther@suse.de>
1382 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1383 of conversions to void *.
1385 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1386 Richard Sandiford <rdsandiford@googlemail.com>
1390 * optabs.h (simplify_expand_binop): Declare.
1391 * optabs.c (simplify_expand_binop): Make global.
1392 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1393 endian targets if the source cannot be exactly covered by word
1396 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1399 * hard-reg-set.h (struct hard_reg_set_container): New type.
1400 * target.h (struct hard_reg_set_container): Forward declare.
1401 * target.def (set_up_by_prologue): New target hook.
1402 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1403 * doc/tm.texi: Regenerated.
1404 * function.c (thread_prologue_and_epilogue_insns): Change
1405 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1406 Call targetm.set_up_by_prologue on it.
1407 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1408 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1410 2012-01-17 Nick Clifton <nickc@redhat.com>
1412 * config/rx/rx.c (rx_can_use_simple_return): New function.
1413 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1414 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1416 2012-01-17 Richard Guenther <rguenther@suse.de>
1419 * expr.c (expand_assignment): Take address-space information
1420 from the address operand of MEM_REF and TARGET_MEM_REF.
1421 (expand_expr_real_1): Likewise.
1423 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1425 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1426 reload dump is requested.
1428 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1431 * trans-mem.c (requires_barrier): Call may_be_aliased.
1433 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1435 PR tree-optimization/51877
1436 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1437 call arguments and fndecls compare equal, instead return false if they
1438 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1439 both SSA_NAMEs that are valueized the same, or they satisfy
1442 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1444 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1446 * configure: Regenerate.
1448 2012-01-16 Jan Hubicka <jh@suse.cz>
1452 * convert.c (convert_to_integer): Use fold_convert for
1453 converting an INTEGER_CST to integer type.
1455 2012-01-16 Jason Merrill <jason@redhat.com>
1458 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1460 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1463 * config/s390/s390.c (s390_chunkify_start): Don't skip
1464 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1465 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1466 If insn is followed by NOTE_INSN_VAR_LOCATION or
1467 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1468 Don't use location of note insns.
1470 PR tree-optimization/51865
1471 * tree-inline.c (tree_function_versioning): Call remap_decl
1472 on DECL_RESULT whenever it has VOID_TYPE_P type.
1474 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1476 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1477 for calls to locally-binding MIPS16 functions if only the return
1478 type uses float regs.
1480 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1481 Richard Sandiford <rdsandiford@googlemail.com>
1483 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1484 (SYMBOL_32_HIGH): Likewise.
1485 (mips_output_tls_reloc_directive): Declare.
1486 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1487 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1488 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1489 (mips_lo_relocs, mips_hi_relocs): Make extern.
1490 (mips16_stub_function): Move up file.
1491 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1492 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1493 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1494 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1495 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1496 (mips_get_tp): Add MIPS16 support.
1497 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1498 Generalize DTPREL and TPREL handling.
1499 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1500 Add MIPS16 TLS support.
1501 (mips_output_tls_reloc_directive): New function.
1502 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1503 * config/mips/predicates.md (symbolic_operand_with_high)
1504 (tls_reloc_operand): New predicates.
1505 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1506 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1507 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1508 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1509 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1510 (*tls_get_tp_mips16_call_<mode>): Likewise.
1512 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1514 PR rtl-optimization/51821
1515 * recog.c (peep2_find_free_register): Determine clobbered registers
1518 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1521 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1522 * config/avr/avr.c: Likewise.
1523 * config/avr/avr.h: Likewise.
1525 2012-01-13 Ian Lance Taylor <iant@google.com>
1528 * tree.h (TYPE_QUALS): Add cast to int.
1529 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1531 2012-01-13 Ian Lance Taylor <iant@google.com>
1533 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1534 comparing param_index to VEC_length result.
1536 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1538 * c-decl.c: Do not include tree-mudflap.h
1539 * tree-optimize.c: Likewise.
1540 * Makefile.in: Update dependencies.
1542 2012-01-13 Richard Guenther <rguenther@suse.de>
1545 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1546 variable-sized result always use RSO.
1548 2012-01-12 DJ Delorie <dj@redhat.com>
1550 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1551 pointer type, not just the default pointer type.
1553 2012-01-09 Richard Henderson <rth@redhat.com>
1554 Denis Chertykov <chertykov@gmail.com>
1557 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1558 * config/avr/avr.c (avr_can_eliminate): Simplify.
1559 (avr_initial_elimination_offset): Likewise.
1560 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1561 (expand_epilogue): Likewise.
1562 (avr_legitimize_address): Gut.
1563 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1564 (avr_hard_regno_nregs): New.
1565 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1566 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1567 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1568 add soft frame pointer.
1569 (CALL_USED_REGISTERS): Likewise.
1570 (REG_CLASS_CONTENTS): Likewise.
1571 (REGISTER_NAMES): Likewise.
1572 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1573 (HARD_FRAME_POINTER_REGNUM): New.
1574 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1575 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1576 remove the HARD_FRAME_POINTER self-elimination.
1578 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1581 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1582 DECL_EXTERNAL when checking for initializers of progmem variables.
1584 2012-01-12 Ira Rosen <irar@il.ibm.com>
1586 PR tree-optimization/51799
1587 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1588 that the last operation is a type demotion.
1590 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1592 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1593 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1595 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1598 * combine.c (distribute_notes): If i3 is a noreturn call,
1599 allow old_size to be equal to args_size and make sure the
1600 noreturn call gets REG_ARGS_SIZE note.
1601 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1602 on noreturn calls even when the delta is 0.
1604 2012-01-11 Nathan Sidwell <nathan@acm.org>
1606 * gcov.c (STRING_SIZE): Remove.
1607 (generate_results): Erase annotations for source files with no
1608 coverage information.
1610 (output_lines): Use it.
1612 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1614 * gimple.h (gimplify_body): Remove first argument.
1615 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1616 pointer set here, instead just pass DATA to walk_tree.
1617 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1618 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1619 (unvisit_body): Likewise, but with unmark_visited.
1620 (gimplify_body): Remove BODY_P argument and adjust.
1621 (gimplify_function_tree): Adjust call to gimplify_body.
1622 * omp-low.c (finalize_task_copyfn): Likewise.
1624 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1626 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1627 (build_function_type_skip_args): Delete.
1628 * tree.c (build_function_type_skip_args): Make static and add
1629 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1630 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1631 pass it to build_function_type_skip_args.
1632 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1633 (tree_function_versioning): Likewise.
1634 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1635 build_function_decl_skip_args.
1636 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1637 and pass it to build_function_decl_skip_args/tree_function_versioning.
1638 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1639 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1640 * trans-mem.c (ipa_tm_create_version): Likewise.
1641 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1642 * tree-inline.c (declare_return_variable): Remove always-true test.
1643 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1644 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1645 * ipa-split.c (split_function): Skip the return value for the split
1646 part if it doesn't return.
1648 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1650 PR tree-optimization/49642
1651 * ipa-split.c (forbidden_dominators): New variable.
1652 (check_forbidden_calls): New function.
1653 (dominated_by_forbidden): Likewise.
1654 (consider_split): Check for forbidden dominators.
1655 (execute_split_functions): Initialize and free forbidden
1656 dominators info; call check_forbidden_calls.
1658 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1660 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1662 2012-01-11 Nick Clifton <nickc@redhat.com>
1664 * config/rx/rx.md (return): Define pattern.
1666 2012-01-11 Richard Guenther <rguenther@suse.de>
1668 * doc/extend.texi (malloc attribute): Adjust according to
1671 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1672 Patrick Marlier <patrick.marlier@gmail.com>
1675 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1676 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1677 (ipa_tm_note_irrevocable): Same.
1678 (ipa_tm_scan_irr_block): Same.
1679 (ipa_tm_decrement_clone_counts): Same.
1680 (ipa_tm_scan_irr_function): Same.
1681 (ipa_tm_create_version_alias): Same.
1682 (ipa_tm_create_version): Same.
1683 (ipa_tm_transform_calls_redirect): Same.
1684 (ipa_tm_transform_calls): Same.
1685 (ipa_tm_transform_transaction): Same.
1686 (ipa_tm_execute): Same.
1688 2012-01-10 Richard Guenther <rguenther@suse.de>
1691 * opts.c (common_handle_option): Handle -Werror.
1693 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1695 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1698 2012-01-10 Jason Merrill <jason@redhat.com>
1700 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1703 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1705 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1706 supports R_386_TLS_GD_PLT reloc.
1707 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1708 supports R_386_TLS_LDM_PLT reloc.
1709 * configure: Regenerate.
1710 * config.in: Regenerate.
1712 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1715 Extend __pgmx semantics to linearize memory.
1716 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1717 determine if code comes inline or from libgcc.
1718 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1719 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1720 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1721 (movmemx_qi, movmemx_hi): New insns.
1722 (xload_<mode>_libgcc): Rewrite to new insn condition.
1723 (xload_<mode>): Remove insns.
1724 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1725 cases that don't satisfy avr_xload_libgcc_p().
1726 (avr_addr_space_convert): Allow converting in any direction.
1727 (avr_addr_space_subset_p): Return always true.
1728 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1729 (avr_emit_movmemhi): Ditto.
1730 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1731 (avr_out_movmem): Ditto.
1732 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1733 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1734 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1735 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1736 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1738 2012-01-10 Richard Guenther <rguenther@suse.de>
1740 PR tree-optimization/50913
1741 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1742 Require data-refs to be representable by Graphite with respect
1745 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1747 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1748 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1750 2012-01-10 Tom de Vries <tom@codesourcery.com>
1752 PR rtl-optimization/51271
1753 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1754 handling annulled branch.
1756 2012-01-10 Richard Henderson <rth@redhat.com>
1758 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1759 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1760 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1761 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1762 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1763 arm_expand_vec_perm_const): New.
1764 * config/arm/arm-protos.h: Update.
1765 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1766 (*neon_vswp<VDQX>): New.
1767 (neon_vcombine<VDX>): Use neon_split_vcombine.
1768 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1769 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1770 (vec_perm<VE>): New.
1772 2012-01-10 Richard Henderson <rth@redhat.com>
1774 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1775 use it if reload_completed.
1776 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1777 arm_output_asm_insn, arm_process_output_memory_barrier,
1778 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1779 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1780 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1781 arm_process_output_sync_insn, arm_output_sync_insn,
1782 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1783 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1784 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1785 (emit_unlikely_jump): New.
1786 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1787 (arm_split_atomic_op): New.
1788 * config/arm/arm-protos.h: Update.
1789 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1790 (struct arm_sync_generator): Remove.
1791 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1792 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1793 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1794 (VUNSPEC_LL, VUNSPEC_SC): New.
1795 (sync_result, sync_memory, sync_required_value, sync_new_value,
1796 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1797 (attr length): Don't use arm_sync_loop_insns.
1798 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1799 (movsfcc, movdfcc): Likewise.
1800 * config/arm/constraints.md (Ua): New.
1801 * config/arm/prediates.md (mem_noofs_operand): New.
1802 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1803 (sync_clobber, sync_t2_reqd): Remove.
1804 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1805 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1806 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1807 (arm_sync_compare_and_swap<SIDI>): Remove.
1808 (arm_sync_compare_and_swap<NARROW>): Remove.
1809 (arm_sync_lock_test_and_set<SIDI>): Remove.
1810 (arm_sync_lock_test_and_set<NARROW>): Remove.
1811 (arm_sync_new_<syncop><SIDI>): Remove.
1812 (arm_sync_new_<syncop><NARROW>): Remove.
1813 (arm_sync_new_nand<SIDI>): Remove.
1814 (arm_sync_new_nand<NARROW>): Remove.
1815 (arm_sync_old_<syncop><SIDI>): Remove.
1816 (arm_sync_old_<syncop><NARROW>): Remove.
1817 (arm_sync_old_nand<SIDI>): Remove.
1818 (arm_sync_old_nand<NARROW>): Remove.
1819 (*memory_barrier): Merge arm_output_memory_barrier.
1820 (atomic_compare_and_swap<QHSD>): New.
1821 (atomic_compare_and_swap<NARROW>_1): New.
1822 (atomic_compare_and_swap<SIDI>_1): New.
1823 (atomic_exchange<QHSD>): New.
1824 (cas_cmp_operand, cas_cmp_str): New.
1825 (atomic_op_operand, atomic_op_str): New.
1826 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1827 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1828 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1829 (arm_load_exclusive<NARROW>): New.
1830 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1831 (arm_store_exclusive<QHSD>): New.
1833 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1835 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1836 reload patterns if -mvsx-scalar-memory.
1838 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1839 generated, even -mno-vsx-scalar-double was used.
1840 (vsx_xscvdpsp_scalar): Likewise.
1841 (vsx_xscvspdp_scalar2): Likewise.
1843 2012-01-09 Tom de Vries <tom@codesourcery.com>
1844 Andrew Pinski <apinski@cavium.com>
1847 * reorg.c (fill_slots_from_thread): Don't speculate
1848 frame-related insns.
1850 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1852 * sched-int.h (bb_note): Move to...
1853 * basic-block.h: ...here.
1854 * haifa-sched.c (bb_note): Move to...
1855 * cfgrtl.c: ...here.
1856 * function.c (next_block_for_reg): New function.
1857 (move_insn_for_shrink_wrap): Likewise.
1858 (prepare_shrink_wrap): Rewrite to use the above.
1860 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1862 * gimple.c (is_gimple_non_addressable): Remove.
1863 * gimple.h: Remove is_gimple_non_addressable.
1864 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1865 is_gimple_non_addressable.
1866 * trans-mem.c (expand_assign_tm): Same.
1868 2012-01-09 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/51775
1871 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1872 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1874 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1876 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1878 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1880 2012-01-09 Richard Guenther <rguenther@suse.de>
1882 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1884 2012-01-08 Jan Hubicka <jh@suse.cz>
1886 PR tree-optimize/51680
1887 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1888 on when known_vals needs to be computed; cleanup.
1890 2012-01-08 Jan Hubicka <jh@suse.cz>
1892 PR tree-optimize/51694
1893 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1895 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1897 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1898 for -std=c++98 and -std=c++11 too.
1900 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1902 * cfgloop.c (cancel_loop): Add free() of bbs array.
1904 2012-01-07 Jan Hubicka <jh@suse.cz>
1906 PR tree-optimization/51600
1907 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1908 that benefits small functions.
1910 2012-01-07 Jan Hubicka <jh@suse.cz>
1912 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1914 2012-01-07 Jan Hubicka <jh@suse.cz>
1916 PR tree-optimization/51680
1917 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1918 whose inlining reduce unit size.
1920 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1923 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1924 Add canonical node to containing_mem chain after the non-canonical
1925 one, even if there weren't any locs to propagate.
1926 (remove_useless_values): Keep only canonical values.
1927 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1928 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1929 canonicalize mem_chain elements that are not discarded.
1931 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1934 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1935 before emitting functions.
1937 PR gcov-profile/50127
1938 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1939 clear_aux_for_blocks.
1941 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1944 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1946 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1948 * c-decl.c (ext_block): Moved up.
1949 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1951 2012-01-06 Han Shen <shenhan@google.com>
1953 Translate built-in include paths for sysroot.
1954 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1955 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1957 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1958 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1960 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1961 control whether sysroot should be prepended to gxx include dir.
1963 * configure: Regenerate.
1965 2012-01-06 Torvald Riegel <triegel@redhat.com>
1967 PR rtl-optimization/51771
1968 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1969 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1971 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1973 PR tree-optimization/51315
1974 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1975 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1977 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1980 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1981 for shrp pattern. Correctly handle and fixup shift variable.
1982 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1984 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1987 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1988 note when !ACCUMULATE_OUTGOING_ARGS.
1990 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1992 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1994 (extract_range_from_unary_expr_1): Avoid useless computations.
1996 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1998 PR rtl-optimization/51767
1999 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2000 of jump_block and add an extra edge for degenerated asm gotos.
2003 * stmt.c (check_unique_operand_names): Don't ICE during error
2004 reporting if i is from labels chain.
2007 * profile.c (branch_prob): Split bbs that have exit edge
2008 and need a fake entry edge too.
2010 2012-01-05 Jan Hubicka <jh@suse.cz>
2013 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2016 2012-01-05 Richard Guenther <rguenther@suse.de>
2019 * tree-streamer-out.c (write_ts_optimization): New function.
2020 (streamer_write_tree_body): Call it.
2021 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2022 (streamer_read_tree_body): Call it.
2023 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2025 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2028 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2029 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2030 in_cleanup_point_expr before gimplify_stmt call and restore it
2032 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2033 in_cleanup_point_expr is false.
2035 2012-01-05 Richard Guenther <rguenther@suse.de>
2038 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2040 * toplev.c (process_options): Reject combining mudflap and LTO.
2041 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2043 2012-01-05 Richard Guenther <rguenther@suse.de>
2045 PR tree-optimization/51760
2046 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2048 (bit_value_unop): Handle UNDEFINED operands.
2049 (bit_value_binop): Likewise.
2051 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2053 * config/avr/avr.c (avr_replace_prefix): Remove.
2054 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2055 (avr_asm_function_rodata_section): Ditto.
2056 (avr_asm_select_section): Ditto.
2058 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2060 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2063 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2066 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2067 calls that have any non-fake successor edges.
2070 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2072 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2074 PR tree-optimization/51624
2075 * tree-sra.c (build_ref_for_model): When replicating a chain of
2076 COMPONENT_REFs, stop as soon as the offset would become negative.
2078 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2081 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2082 in .debug_loc on the floor.
2084 2012-01-04 Andrew Pinski <apinski@cavium.com>
2086 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2088 2012-01-04 Andrew Pinski <apinski@cavium.com>
2089 Adam Nemet <anemet@caviumnetworks.com>
2091 * config/mips/mips.md (size): Add SI and DI.
2092 (SIZE): New mode attribute.
2093 (U): New code attribute.
2094 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2095 (mips_lbux_<mode>): Delete.
2096 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2097 (mips_lhx): Use gen_mips_lhx_extsi.
2098 (mips_lhx_<mode>): Delete.
2100 (mips_l<size>x): New expand.
2101 (mips_lwx_<mode>): Delete.
2102 (mips_l<GPR:size>x_<P:mode>): New pattern.
2103 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2104 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2105 * config/mips/mips.c (mips_lx_address_p): New function.
2106 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2107 (dsp64): New availability predicate.
2108 (mips_builtins): Add an entry for __builtin_mips_ldx.
2109 * config/mips/mips.h (ISA_HAS_LBX): New define.
2110 (ISA_HAS_LBUX): Likewise.
2111 (ISA_HAS_LHX): Likewise.
2112 (ISA_HAS_LHUX): Likewise.
2113 (ISA_HAS_LWX): Likewise.
2114 (ISA_HAS_LWUX): Likewise.
2115 (ISA_HAS_LDX): Likewise.
2116 * doc/extend.texi (__builtin_mips_ldx): Document.
2118 2012-01-04 Tristan Gingold <gingold@adacore.com>
2120 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2121 when long pointers are used.
2122 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2123 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2124 (ia64-hp-*vms*): Remove.
2125 * config/vms/xm-vms64.h: Delete.
2127 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2130 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2132 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2134 * opts.c (finish_options): Remove duplicate sorry.
2136 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2139 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2142 2012-01-04 Richard Guenther <rguenther@suse.de>
2145 * tree.c (size_low_cst): New function.
2146 * tree.h (size_low_cst): Declare.
2147 * fold-const.c (fold_comparison): Use it to extract the low
2148 part of the POINTER_PLUS_EXPR offset.
2150 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2152 Fix clearing ZERO_REG
2153 * config/avr/avr.md (cc): Add alternative "ldi".
2154 (movqi_insn): Use it in cc attribute.
2155 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2156 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2157 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2159 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2161 * configure: Regenerate.
2163 2012-01-04 Richard Guenther <rguenther@suse.de>
2165 PR tree-optimization/49651
2166 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2167 (var_can_have_subvars): Use it.
2168 (get_constraint_for_1): Only consider subfields if there can be any.
2170 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2173 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2174 to its new canonical_cselib_val and the cselib_val was in
2175 first_containing_mem chain, but the canonical_cselib_val was not,
2176 add the latter into the chain.
2177 (cselib_invalidate_mem): Compare canonical_cselib_val of
2178 addr_list chain elt with v.
2181 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2182 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2184 (output_macinfo_op): Don't ggc_strdup fd->filename.
2185 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2186 then ggc_strdup it. Don't free inc->info or cur->info.
2187 (output_macinfo): Don't free ref->info or file->info.
2189 2012-01-03 Ira Rosen <irar@il.ibm.com>
2191 PR tree-optimization/51269
2192 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2193 first_niters a pointer.
2194 (slpeel_tree_peel_loop_to_edge): Likewise.
2195 (vect_do_peeling_for_loop_bound): Update call to
2196 slpeel_tree_peel_loop_to_edge.
2197 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2198 here. Remove it from the parameters list.
2199 (vect_do_peeling_for_alignment): Update calls and compute
2202 2012-01-03 Richard Guenther <rguenther@suse.de>
2204 PR tree-optimization/51070
2205 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2206 Properly handle calls.
2208 2012-01-03 Richard Guenther <rguenther@suse.de>
2210 PR tree-optimization/51692
2211 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2212 the LHS of allocation stmts.
2214 2012-01-03 Olivier Hainque <hainque@adacore.com>
2216 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2218 2012-01-03 Olivier Hainque <hainque@adacore.com>
2220 * collect2.c (main): In AIX specific computations for vector
2221 insertions, use CONST_CAST2 to cast from char ** to const char **.
2223 2012-01-03 Richard Guenther <rguenther@suse.de>
2226 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2227 the context of a limbo DIE when it does not already exist.
2229 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2231 PR tree-optimization/51719
2232 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2233 but direct call is, clear direct call's lhs and don't add fallthrough
2234 edge from dcall_bb to join_bb and PHIs.
2236 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2238 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2239 the instructions emitted by the pattern.
2240 ("*TDC_insn_<mode>"): Add comment.
2242 2012-01-03 Richard Guenther <rguenther@suse.de>
2245 * fold-const.c (fold_comparison): Properly canonicalize
2246 tree offset and HOST_WIDE_INT bit position.
2248 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2250 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2251 operands for extzv pattern.
2253 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2256 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2259 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2261 * doc/invoke.texi (-flto and related options): Copy-edit.
2263 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2265 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2267 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2269 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2272 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2274 * expr.h (move_by_pieces_ninsns): Declare.
2275 * expr.c (move_by_pieces_ninsns): Make external.
2276 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2277 (mips_store_by_pieces_p): Likewise.
2278 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2279 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2280 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2281 (mips_store_by_pieces_p): Likewise.
2283 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2285 * passes.c (register_one_dump_file): Free full_name.
2287 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2288 (calculate_elim_costs_all_insns): Free offsets_at and
2289 offsets_known_at at the end and clear the pointers.
2291 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2293 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2294 this option introduced in r180739.
2296 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2299 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2300 (tmake_file target=avr): Add avr/t-multilib.
2302 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2303 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2304 * config/avr/genmultilib.awk: New file.
2305 * config/avr/t-multilib: New auto-generated file.
2306 * config/avr/multilib.h: New auto-generated file.
2307 * config/avr/t-avr (AVR_MCUS): New variable.
2308 (genopt.sh): Use it.
2309 (s-mlib): Depend on t-multilib.
2310 (t-multilib, multilib.h): New dependencies.
2311 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2312 (MULTILIB_OPTIONS): Remove.
2313 (MULTILIB_MATCHES): Remove.
2314 (MULTILIB_DIRNAMES): Remove.
2315 (MULTILIB_EXCEPTIONS): Remove:
2316 * config/avr/genopt.sh: Don't use hard coded file name;
2317 pass AVR_MCUS from t-avr instead.
2319 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2321 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2323 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2325 Implement light-weight DImode support.
2326 * config/avr/avr-dimode.md: New file.
2327 * config/avr/avr.md: Include it.
2328 (adjust_len): Add plus64, compare64.
2329 (HIDI): Remove code iterator.
2330 (code_stdname): New code attribute.
2331 (rotx, rotsmode): Remove DI.
2332 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2334 * config/avr/avr-protos.h (avr_have_dimode): New.
2335 (avr_out_plus64, avr_out_compare64): New.
2336 * config/avr/avr.c (avr_out_compare): Handle DImode.
2337 (avr_have_dimode): New variable definition and initialization.
2338 (avr_out_compare64, avr_out_plus64): New functions.
2339 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2340 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2341 (avr_compare_pattern): Skip DImode comparisons.
2343 2012-01-02 Revital Eres <revital.eres@linaro.org>
2345 * ddg.c (def_has_ccmode_p): New function.
2346 (add_cross_iteration_register_deps,
2347 create_ddg_dep_from_intra_loop_link): Call it.
2349 2012-01-02 Richard Guenther <rguenther@suse.de>
2352 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2354 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2356 * gcc.c (process_command): Update copyright notice dates.
2357 * gcov.c (print_version): Likewise.
2358 * gcov-dump.c (print_version): Likewise.
2359 * mips-tfile.c (main): Likewise.
2360 * mips-tdump.c (main): Likewise.
2362 2012-01-01 Ira Rosen <irar@il.ibm.com>
2364 PR tree-optimization/51704
2365 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2366 a use is inside the basic block or loop before accessing its vect info.
2368 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2370 PR rtl-optimization/51069
2371 * cfgloopmanip.c (remove_path): Removing path making irreducible
2372 region unconditional makes BB part of the region.
2374 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2376 PR tree-optimization/51683
2377 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2378 calls with side-effects.
2379 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2381 Copyright (C) 2012 Free Software Foundation, Inc.
2383 Copying and distribution of this file, with or without modification,
2384 are permitted in any medium without royalty provided the copyright
2385 notice and this notice are preserved.